diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2010-08-11 09:36:51 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2010-08-11 09:36:51 +0200 |
| commit | 6396fc3b3ff3f6b942992b653a62df11dcef9bea (patch) | |
| tree | db3c7cbe833b43c653adc99f70941431c5ff7c4e /drivers | |
| parent | 4785879e4d340e24e54f6de2ccfc42728b912808 (diff) | |
| parent | 3d30701b58970425e1d45994d6cb82f828924fdd (diff) | |
| download | kernel_goldelico_gta04-6396fc3b3ff3f6b942992b653a62df11dcef9bea.zip kernel_goldelico_gta04-6396fc3b3ff3f6b942992b653a62df11dcef9bea.tar.gz kernel_goldelico_gta04-6396fc3b3ff3f6b942992b653a62df11dcef9bea.tar.bz2 | |
Merge branch 'master' into for-next
Conflicts:
fs/exofs/inode.c
Diffstat (limited to 'drivers')
502 files changed, 29103 insertions, 13595 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 4972fdf..7ef7c4f 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4281,7 +4281,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { * The special characters ?, [, -, or *, can be matched using a set, eg. [*] * Behaviour with malformed patterns is undefined, though generally reasonable. * - * Example patterns: "SD1?", "SD1[0-5]", "*R0", SD*1?[012]*xx" + * Sample patterns: "SD1?", "SD1[0-5]", "*R0", "SD*1?[012]*xx" * * This function uses one level of recursion per '*' in pattern. * Since it calls _nothing_ else, and has _no_ explicit local variables, diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index d75c9c4..a89172c 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -1111,10 +1111,10 @@ static void ata_scsi_sdev_config(struct scsi_device *sdev) */ static int atapi_drain_needed(struct request *rq) { - if (likely(!blk_pc_request(rq))) + if (likely(rq->cmd_type != REQ_TYPE_BLOCK_PC)) return 0; - if (!blk_rq_bytes(rq) || (rq->cmd_flags & REQ_RW)) + if (!blk_rq_bytes(rq) || (rq->cmd_flags & REQ_WRITE)) return 0; return atapi_cmd_type(rq->cmd[0]) == ATAPI_MISC; diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c index c5f22bb..4e2c367 100644 --- a/drivers/block/DAC960.c +++ b/drivers/block/DAC960.c @@ -79,23 +79,28 @@ static int DAC960_open(struct block_device *bdev, fmode_t mode) struct gendisk *disk = bdev->bd_disk; DAC960_Controller_T *p = disk->queue->queuedata; int drive_nr = (long)disk->private_data; + int ret = -ENXIO; + lock_kernel(); if (p->FirmwareType == DAC960_V1_Controller) { if (p->V1.LogicalDriveInformation[drive_nr]. LogicalDriveState == DAC960_V1_LogicalDrive_Offline) - return -ENXIO; + goto out; } else { DAC960_V2_LogicalDeviceInfo_T *i = p->V2.LogicalDeviceInformation[drive_nr]; if (!i || i->LogicalDeviceState == DAC960_V2_LogicalDevice_Offline) - return -ENXIO; + goto out; } check_disk_change(bdev); if (!get_capacity(p->disks[drive_nr])) - return -ENXIO; - return 0; + goto out; + ret = 0; +out: + unlock_kernel(); + return ret; } static int DAC960_getgeo(struct block_device *bdev, struct hd_geometry *geo) diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c index 832798a..76f114f 100644 --- a/drivers/block/amiflop.c +++ b/drivers/block/amiflop.c @@ -60,6 +60,7 @@ #include <linux/hdreg.h> #include <linux/delay.h> #include <linux/init.h> +#include <linux/smp_lock.h> #include <linux/amifdreg.h> #include <linux/amifd.h> #include <linux/buffer_head.h> @@ -1423,7 +1424,7 @@ static int fd_getgeo(struct block_device *bdev, struct hd_geometry *geo) return 0; } -static int fd_ioctl(struct block_device *bdev, fmode_t mode, +static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long param) { struct amiga_floppy_struct *p = bdev->bd_disk->private_data; @@ -1500,6 +1501,18 @@ static int fd_ioctl(struct block_device *bdev, fmode_t mode, return 0; } +static int fd_ioctl(struct block_device *bdev, fmode_t mode, + unsigned int cmd, unsigned long param) +{ + int ret; + + lock_kernel(); + ret = fd_locked_ioctl(bdev, mode, cmd, param); + unlock_kernel(); + + return ret; +} + static void fd_probe(int dev) { unsigned long code; @@ -1542,10 +1555,13 @@ static int floppy_open(struct block_device *bdev, fmode_t mode) int old_dev; unsigned long flags; + lock_kernel(); old_dev = fd_device[drive]; - if (fd_ref[drive] && old_dev != system) + if (fd_ref[drive] && old_dev != system) { + unlock_kernel(); return -EBUSY; + } if (mode & (FMODE_READ|FMODE_WRITE)) { check_disk_change(bdev); @@ -1558,8 +1574,10 @@ static int floppy_open(struct block_device *bdev, fmode_t mode) fd_deselect (drive); rel_fdc(); - if (wrprot) + if (wrprot) { + unlock_kernel(); return -EROFS; + } } } @@ -1576,6 +1594,7 @@ static int floppy_open(struct block_device *bdev, fmode_t mode) printk(KERN_INFO "fd%d: accessing %s-disk with %s-layout\n",drive, unit[drive].type->name, data_types[system].name); + unlock_kernel(); return 0; } @@ -1584,6 +1603,7 @@ static int floppy_release(struct gendisk *disk, fmode_t mode) struct amiga_floppy_struct *p = disk->private_data; int drive = p - unit; + lock_kernel(); if (unit[drive].dirty == 1) { del_timer (flush_track_timer + drive); non_int_flush_track (drive); @@ -1597,6 +1617,7 @@ static int floppy_release(struct gendisk *disk, fmode_t mode) /* the mod_use counter is handled this way */ floppy_off (drive | 0x40000000); #endif + unlock_kernel(); return 0; } @@ -1638,7 +1659,7 @@ static const struct block_device_operations floppy_fops = { .owner = THIS_MODULE, .open = floppy_open, .release = floppy_release, - .locked_ioctl = fd_ioctl, + .ioctl = fd_ioctl, .getgeo = fd_getgeo, .media_changed = amiga_floppy_change, }; diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c index 035cefe..a946929 100644 --- a/drivers/block/aoe/aoeblk.c +++ b/drivers/block/aoe/aoeblk.c @@ -12,6 +12,7 @@ #include <linux/slab.h> #include <linux/genhd.h> #include <linux/netdevice.h> +#include <linux/smp_lock.h> #include "aoe.h" static struct kmem_cache *buf_pool_cache; @@ -124,13 +125,16 @@ aoeblk_open(struct block_device *bdev, fmode_t mode) struct aoedev *d = bdev->bd_disk->private_data; ulong flags; + lock_kernel(); spin_lock_irqsave(&d->lock, flags); if (d->flags & DEVFL_UP) { d->nopen++; spin_unlock_irqrestore(&d->lock, flags); + unlock_kernel(); return 0; } spin_unlock_irqrestore(&d->lock, flags); + unlock_kernel(); return -ENODEV; } @@ -173,7 +177,7 @@ aoeblk_make_request(struct request_queue *q, struct bio *bio) BUG(); bio_endio(bio, -ENXIO); return 0; - } else if (bio_rw_flagged(bio, BIO_RW_BARRIER)) { + } else if (bio->bi_rw & REQ_HARDBARRIER) { bio_endio(bio, -EOPNOTSUPP); return 0; } else if (bio->bi_io_vec == NULL) { diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c index e35cf59..aceb964 100644 --- a/drivers/block/ataflop.c +++ b/drivers/block/ataflop.c @@ -67,6 +67,7 @@ #include <linux/delay.h> #include <linux/init.h> #include <linux/blkdev.h> +#include <linux/smp_lock.h> #include <asm/atafd.h> #include <asm/atafdreg.h> @@ -359,7 +360,7 @@ static void finish_fdc( void ); static void finish_fdc_done( int dummy ); static void setup_req_params( int drive ); static void redo_fd_request( void); -static int fd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int +static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long param); static void fd_probe( int drive ); static int fd_test_drive_present( int drive ); @@ -1480,7 +1481,7 @@ void do_fd_request(struct request_queue * q) atari_enable_irq( IRQ_MFP_FDC ); } -static int fd_ioctl(struct block_device *bdev, fmode_t mode, +static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long param) { struct gendisk *disk = bdev->bd_disk; @@ -1665,6 +1666,17 @@ static int fd_ioctl(struct block_device *bdev, fmode_t mode, } } +static int fd_ioctl(struct block_device *bdev, fmode_t mode, + unsigned int cmd, unsigned long arg) +{ + int ret; + + lock_kernel(); + ret = fd_locked_ioctl(bdev, mode, cmd, arg); + unlock_kernel(); + + return ret; +} /* Initialize the 'unit' variable for drive 'drive' */ @@ -1838,24 +1850,36 @@ static int floppy_open(struct block_device *bdev, fmode_t mode) return 0; } +static int floppy_unlocked_open(struct block_device *bdev, fmode_t mode) +{ + int ret; + + lock_kernel(); + ret = floppy_open(bdev, mode); + unlock_kernel(); + + return ret; +} static int floppy_release(struct gendisk *disk, fmode_t mode) { struct atari_floppy_struct *p = disk->private_data; + lock_kernel(); if (p->ref < 0) p->ref = 0; else if (!p->ref--) { printk(KERN_ERR "floppy_release with fd_ref == 0"); p->ref = 0; } + unlock_kernel(); return 0; } static const struct block_device_operations floppy_fops = { .owner = THIS_MODULE, - .open = floppy_open, + .open = floppy_unlocked_open, .release = floppy_release, - .locked_ioctl = fd_ioctl, + .ioctl = fd_ioctl, .media_changed = check_floppy_change, .revalidate_disk= floppy_revalidate, }; diff --git a/drivers/block/brd.c b/drivers/block/brd.c index f1bf79d..1c7f637 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -15,6 +15,7 @@ #include <linux/blkdev.h> #include <linux/bio.h> #include <linux/highmem.h> +#include <linux/smp_lock.h> #include <linux/radix-tree.h> #include <linux/buffer_head.h> /* invalidate_bh_lrus() */ #include <linux/slab.h> @@ -340,7 +341,7 @@ static int brd_make_request(struct request_queue *q, struct bio *bio) get_capacity(bdev->bd_disk)) goto out; - if (unlikely(bio_rw_flagged(bio, BIO_RW_DISCARD))) { + if (unlikely(bio->bi_rw & REQ_DISCARD)) { err = 0; discard_from_brd(brd, sector, bio->bi_size); goto out; @@ -401,6 +402,7 @@ static int brd_ioctl(struct block_device *bdev, fmode_t mode, * ram device BLKFLSBUF has special semantics, we want to actually * release and destroy the ramdisk data. */ + lock_kernel(); mutex_lock(&bdev->bd_mutex); error = -EBUSY; if (bdev->bd_openers <= 1) { @@ -417,13 +419,14 @@ static int brd_ioctl(struct block_device *bdev, fmode_t mode, error = 0; } mutex_unlock(&bdev->bd_mutex); + unlock_kernel(); return error; } static const struct block_device_operations brd_fops = { .owner = THIS_MODULE, - .locked_ioctl = brd_ioctl, + .ioctl = brd_ioctl, #ifdef CONFIG_BLK_DEV_XIP .direct_access = brd_direct_access, #endif @@ -479,7 +482,7 @@ static struct brd_device *brd_alloc(int i) if (!brd->brd_queue) goto out_free_dev; blk_queue_make_request(brd->brd_queue, brd_make_request); - blk_queue_ordered(brd->brd_queue, QUEUE_ORDERED_TAG, NULL); + blk_queue_ordered(brd->brd_queue, QUEUE_ORDERED_TAG); blk_queue_max_hw_sectors(brd->brd_queue, 1024); blk_queue_bounce_limit(brd->brd_queue, BLK_BOUNCE_ANY); diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index e1e7143..31064df 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -56,16 +56,14 @@ #include <linux/kthread.h> #define CCISS_DRIVER_VERSION(maj,min,submin) ((maj<<16)|(min<<8)|(submin)) -#define DRIVER_NAME "HP CISS Driver (v 3.6.20)" -#define DRIVER_VERSION CCISS_DRIVER_VERSION(3, 6, 20) +#define DRIVER_NAME "HP CISS Driver (v 3.6.26)" +#define DRIVER_VERSION CCISS_DRIVER_VERSION(3, 6, 26) /* Embedded module documentation macros - see modules.h */ MODULE_AUTHOR("Hewlett-Packard Company"); MODULE_DESCRIPTION("Driver for HP Smart Array Controllers"); -MODULE_SUPPORTED_DEVICE("HP SA5i SA5i+ SA532 SA5300 SA5312 SA641 SA642 SA6400" - " SA6i P600 P800 P400 P400i E200 E200i E500 P700m" - " Smart Array G2 Series SAS/SATA Controllers"); -MODULE_VERSION("3.6.20"); +MODULE_SUPPORTED_DEVICE("HP Smart Array Controllers"); +MODULE_VERSION("3.6.26"); MODULE_LICENSE("GPL"); static int cciss_allow_hpsa; @@ -107,6 +105,11 @@ static const struct pci_device_id cciss_pci_device_id[] = { {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x3249}, {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x324A}, {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x324B}, + {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x3250}, + {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x3251}, + {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x3252}, + {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x3253}, + {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x3254}, {0,} }; @@ -146,6 +149,11 @@ static struct board_type products[] = { {0x3249103C, "Smart Array P812", &SA5_access}, {0x324A103C, "Smart Array P712m", &SA5_access}, {0x324B103C, "Smart Array P711m", &SA5_access}, + {0x3250103C, "Smart Array", &SA5_access}, + {0x3251103C, "Smart Array", &SA5_access}, + {0x3252103C, "Smart Array", &SA5_access}, + {0x3253103C, "Smart Array", &SA5_access}, + {0x3254103C, "Smart Array", &SA5_access}, }; /* How long to wait (in milliseconds) for board to go into simple mode */ @@ -167,9 +175,13 @@ static DEFINE_MUTEX(scan_mutex); static LIST_HEAD(scan_q); static void do_cciss_request(struct request_queue *q); -static irqreturn_t do_cciss_intr(int irq, void *dev_id); +static irqreturn_t do_cciss_intx(int irq, void *dev_id); +static irqreturn_t do_cciss_msix_intr(int irq, void *dev_id); static int cciss_open(struct block_device *bdev, fmode_t mode); +static int cciss_unlocked_open(struct block_device *bdev, fmode_t mode); static int cciss_release(struct gendisk *disk, fmode_t mode); +static int do_ioctl(struct block_device *bdev, fmode_t mode, + unsigned int cmd, unsigned long arg); static int cciss_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg); static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo); @@ -179,25 +191,23 @@ static int rebuild_lun_table(ctlr_info_t *h, int first_time, int via_ioctl); static int deregister_disk(ctlr_info_t *h, int drv_index, int clear_all, int via_ioctl); -static void cciss_read_capacity(int ctlr, int logvol, +static void cciss_read_capacity(ctlr_info_t *h, int logvol, sector_t *total_size, unsigned int *block_size); -static void cciss_read_capacity_16(int ctlr, int logvol, +static void cciss_read_capacity_16(ctlr_info_t *h, int logvol, sector_t *total_size, unsigned int *block_size); -static void cciss_geometry_inquiry(int ctlr, int logvol, +static void cciss_geometry_inquiry(ctlr_info_t *h, int logvol, sector_t total_size, unsigned int block_size, InquiryData_struct *inq_buff, drive_info_struct *drv); -static void __devinit cciss_interrupt_mode(ctlr_info_t *, struct pci_dev *, - __u32); +static void __devinit cciss_interrupt_mode(ctlr_info_t *); static void start_io(ctlr_info_t *h); -static int sendcmd_withirq(__u8 cmd, int ctlr, void *buff, size_t size, +static int sendcmd_withirq(ctlr_info_t *h, __u8 cmd, void *buff, size_t size, __u8 page_code, unsigned char scsi3addr[], int cmd_type); static int sendcmd_withirq_core(ctlr_info_t *h, CommandList_struct *c, int attempt_retry); static int process_sendcmd_error(ctlr_info_t *h, CommandList_struct *c); -static void fail_all_cmds(unsigned long ctlr); static int add_to_scan_list(struct ctlr_info *h); static int scan_thread(void *data); static int check_for_unit_attention(ctlr_info_t *h, CommandList_struct *c); @@ -205,11 +215,23 @@ static void cciss_hba_release(struct device *dev); static void cciss_device_release(struct device *dev); static void cciss_free_gendisk(ctlr_info_t *h, int drv_index); static void cciss_free_drive_info(ctlr_info_t *h, int drv_index); +static inline u32 next_command(ctlr_info_t *h); +static int __devinit cciss_find_cfg_addrs(struct pci_dev *pdev, + void __iomem *vaddr, u32 *cfg_base_addr, u64 *cfg_base_addr_index, + u64 *cfg_offset); +static int __devinit cciss_pci_find_memory_BAR(struct pci_dev *pdev, + unsigned long *memory_bar); + + +/* performant mode helper functions */ +static void calc_bucket_map(int *bucket, int num_buckets, int nsgs, + int *bucket_map); +static void cciss_put_controller_into_performant_mode(ctlr_info_t *h); #ifdef CONFIG_PROC_FS -static void cciss_procinit(int i); +static void cciss_procinit(ctlr_info_t *h); #else -static void cciss_procinit(int i) +static void cciss_procinit(ctlr_info_t *h) { } #endif /* CONFIG_PROC_FS */ @@ -221,9 +243,9 @@ static int cciss_compat_ioctl(struct block_device *, fmode_t, static const struct block_device_operations cciss_fops = { .owner = THIS_MODULE, - .open = cciss_open, + .open = cciss_unlocked_open, .release = cciss_release, - .locked_ioctl = cciss_ioctl, + .ioctl = do_ioctl, .getgeo = cciss_getgeo, #ifdef CONFIG_COMPAT .compat_ioctl = cciss_compat_ioctl, @@ -231,6 +253,16 @@ static const struct block_device_operations cciss_fops = { .revalidate_disk = cciss_revalidate, }; +/* set_performant_mode: Modify the tag for cciss performant + * set bit 0 for pull model, bits 3-1 for block fetch + * register number + */ +static void set_performant_mode(ctlr_info_t *h, CommandList_struct *c) +{ + if (likely(h->transMethod == CFGTBL_Trans_Performant)) + c->busaddr |= 1 | (h->blockFetchTable[c->Header.SGList] << 1); +} + /* * Enqueuing and dequeuing functions for cmdlists. */ @@ -257,6 +289,18 @@ static inline void removeQ(CommandList_struct *c) hlist_del_init(&c->list); } +static void enqueue_cmd_and_start_io(ctlr_info_t *h, + CommandList_struct *c) +{ + unsigned long flags; + set_performant_mode(h, c); + spin_lock_irqsave(&h->lock, flags); + addQ(&h->reqQ, c); + h->Qdepth++; + start_io(h); + spin_unlock_irqrestore(&h->lock, flags); +} + static void cciss_free_sg_chain_blocks(SGDescriptor_struct **cmd_sg_list, int nr_cmds) { @@ -366,32 +410,31 @@ static void cciss_seq_show_header(struct seq_file *seq) h->product_name, (unsigned long)h->board_id, h->firm_ver[0], h->firm_ver[1], h->firm_ver[2], - h->firm_ver[3], (unsigned int)h->intr[SIMPLE_MODE_INT], + h->firm_ver[3], (unsigned int)h->intr[PERF_MODE_INT], h->num_luns, h->Qdepth, h->commands_outstanding, h->maxQsinceinit, h->max_outstanding, h->maxSG); #ifdef CONFIG_CISS_SCSI_TAPE - cciss_seq_tape_report(seq, h->ctlr); + cciss_seq_tape_report(seq, h); #endif /* CONFIG_CISS_SCSI_TAPE */ } static void *cciss_seq_start(struct seq_file *seq, loff_t *pos) { ctlr_info_t *h = seq->private; - unsigned ctlr = h->ctlr; unsigned long flags; /* prevent displaying bogus info during configuration * or deconfiguration of a logical volume */ - spin_lock_irqsave(CCISS_LOCK(ctlr), flags); + spin_lock_irqsave(&h->lock, flags); if (h->busy_configuring) { - spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); return ERR_PTR(-EBUSY); } h->busy_configuring = 1; - spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); if (*pos == 0) cciss_seq_show_header(seq); @@ -499,7 +542,7 @@ cciss_proc_write(struct file *file, const char __user *buf, struct seq_file *seq = file->private_data; ctlr_info_t *h = seq->private; - err = cciss_engage_scsi(h->ctlr); + err = cciss_engage_scsi(h); if (err == 0) err = length; } else @@ -522,7 +565,7 @@ static const struct file_operations cciss_proc_fops = { .write = cciss_proc_write, }; -static void __devinit cciss_procinit(int i) +static void __devinit cciss_procinit(ctlr_info_t *h) { struct proc_dir_entry *pde; @@ -530,9 +573,9 @@ static void __devinit cciss_procinit(int i) proc_cciss = proc_mkdir("driver/cciss", NULL); if (!proc_cciss) return; - pde = proc_create_data(hba[i]->devname, S_IWUSR | S_IRUSR | S_IRGRP | + pde = proc_create_data(h->devname, S_IWUSR | S_IRUSR | S_IRGRP | S_IROTH, proc_cciss, - &cciss_proc_fops, hba[i]); + &cciss_proc_fops, h); } #endif /* CONFIG_PROC_FS */ @@ -565,12 +608,12 @@ static ssize_t dev_show_unique_id(struct device *dev, unsigned long flags; int ret = 0; - spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); if (h->busy_configuring) ret = -EBUSY; else memcpy(sn, drv->serial_no, sizeof(sn)); - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); if (ret) return ret; @@ -595,12 +638,12 @@ static ssize_t dev_show_vendor(struct device *dev, unsigned long flags; int ret = 0; - spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); if (h->busy_configuring) ret = -EBUSY; else memcpy(vendor, drv->vendor, VENDOR_LEN + 1); - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); if (ret) return ret; @@ -619,12 +662,12 @@ static ssize_t dev_show_model(struct device *dev, unsigned long flags; int ret = 0; - spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); if (h->busy_configuring) ret = -EBUSY; else memcpy(model, drv->model, MODEL_LEN + 1); - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); if (ret) return ret; @@ -643,12 +686,12 @@ static ssize_t dev_show_rev(struct device *dev, unsigned long flags; int ret = 0; - spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); if (h->busy_configuring) ret = -EBUSY; else memcpy(rev, drv->rev, REV_LEN + 1); - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); if (ret) return ret; @@ -665,17 +708,17 @@ static ssize_t cciss_show_lunid(struct device *dev, unsigned long flags; unsigned char lunid[8]; - spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); if (h->busy_configuring) { - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); return -EBUSY; } if (!drv->heads) { - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); return -ENOTTY; } memcpy(lunid, drv->LunID, sizeof(lunid)); - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); return snprintf(buf, 20, "0x%02x%02x%02x%02x%02x%02x%02x%02x\n", lunid[0], lunid[1], lunid[2], lunid[3], lunid[4], lunid[5], lunid[6], lunid[7]); @@ -690,13 +733,13 @@ static ssize_t cciss_show_raid_level(struct device *dev, int raid; unsigned long flags; - spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); if (h->busy_configuring) { - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); return -EBUSY; } raid = drv->raid_level; - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); if (raid < 0 || raid > RAID_UNKNOWN) raid = RAID_UNKNOWN; @@ -713,13 +756,13 @@ static ssize_t cciss_show_usage_count(struct device *dev, unsigned long flags; int count; - spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); if (h->busy_configuring) { - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); return -EBUSY; } count = drv->usage_count; - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); return snprintf(buf, 20, "%d\n", count); } static DEVICE_ATTR(usage_count, S_IRUGO, cciss_show_usage_count, NULL); @@ -864,60 +907,70 @@ static void cciss_destroy_ld_sysfs_entry(struct ctlr_info *h, int drv_index, /* * For operations that cannot sleep, a command block is allocated at init, * and managed by cmd_alloc() and cmd_free() using a simple bitmap to track - * which ones are free or in use. For operations that can wait for kmalloc - * to possible sleep, this routine can be called with get_from_pool set to 0. - * cmd_free() MUST be called with a got_from_pool set to 0 if cmd_alloc was. + * which ones are free or in use. */ -static CommandList_struct *cmd_alloc(ctlr_info_t *h, int get_from_pool) +static CommandList_struct *cmd_alloc(ctlr_info_t *h) { CommandList_struct *c; int i; u64bit temp64; dma_addr_t cmd_dma_handle, err_dma_handle; - if (!get_from_pool) { - c = (CommandList_struct *) pci_alloc_consistent(h->pdev, - sizeof(CommandList_struct), &cmd_dma_handle); - if (c == NULL) + do { + i = find_first_zero_bit(h->cmd_pool_bits, h->nr_cmds); + if (i == h->nr_cmds) return NULL; - memset(c, 0, sizeof(CommandList_struct)); + } while (test_and_set_bit(i & (BITS_PER_LONG - 1), + h->cmd_pool_bits + (i / BITS_PER_LONG)) != 0); + c = h->cmd_pool + i; + memset(c, 0, sizeof(CommandList_struct)); + cmd_dma_handle = h->cmd_pool_dhandle + i * sizeof(CommandList_struct); + c->err_info = h->errinfo_pool + i; + memset(c->err_info, 0, sizeof(ErrorInfo_struct)); + err_dma_handle = h->errinfo_pool_dhandle + + i * sizeof(ErrorInfo_struct); + h->nr_allocs++; - c->cmdindex = -1; + c->cmdindex = i; - c->err_info = (ErrorInfo_struct *) - pci_alloc_consistent(h->pdev, sizeof(ErrorInfo_struct), - &err_dma_handle); + INIT_HLIST_NODE(&c->list); + c->busaddr = (__u32) cmd_dma_handle; + temp64.val = (__u64) err_dma_handle; + c->ErrDesc.Addr.lower = temp64.val32.lower; + c->ErrDesc.Addr.upper = temp64.val32.upper; + c->ErrDesc.Len = sizeof(ErrorInfo_struct); - if (c->err_info == NULL) { - pci_free_consistent(h->pdev, - sizeof(CommandList_struct), c, cmd_dma_handle); - return NULL; - } - memset(c->err_info, 0, sizeof(ErrorInfo_struct)); - } else { /* get it out of the controllers pool */ - - do { - i = find_first_zero_bit(h->cmd_pool_bits, h->nr_cmds); - if (i == h->nr_cmds) - return NULL; - } while (test_and_set_bit - (i & (BITS_PER_LONG - 1), - h->cmd_pool_bits + (i / BITS_PER_LONG)) != 0); -#ifdef CCISS_DEBUG - printk(KERN_DEBUG "cciss: using command buffer %d\n", i); -#endif - c = h->cmd_pool + i; - memset(c, 0, sizeof(CommandList_struct)); - cmd_dma_handle = h->cmd_pool_dhandle - + i * sizeof(CommandList_struct); - c->err_info = h->errinfo_pool + i; - memset(c->err_info, 0, sizeof(ErrorInfo_struct)); - err_dma_handle = h->errinfo_pool_dhandle - + i * sizeof(ErrorInfo_struct); - h->nr_allocs++; + c->ctlr = h->ctlr; + return c; +} - c->cmdindex = i; +/* allocate a command using pci_alloc_consistent, used for ioctls, + * etc., not for the main i/o path. + */ +static CommandList_struct *cmd_special_alloc(ctlr_info_t *h) +{ + CommandList_struct *c; + u64bit temp64; + dma_addr_t cmd_dma_handle, err_dma_handle; + + c = (CommandList_struct *) pci_alloc_consistent(h->pdev, + sizeof(CommandList_struct), &cmd_dma_handle); + if (c == NULL) + return NULL; + memset(c, 0, sizeof(CommandList_struct)); + + c->cmdindex = -1; + + c->err_info = (ErrorInfo_struct *) + pci_alloc_consistent(h->pdev, sizeof(ErrorInfo_struct), + &err_dma_handle); + + if (c->err_info == NULL) { + pci_free_consistent(h->pdev, + sizeof(CommandList_struct), c, cmd_dma_handle); + return NULL; } + memset(c->err_info, 0, sizeof(ErrorInfo_struct)); INIT_HLIST_NODE(&c->list); c->busaddr = (__u32) cmd_dma_handle; @@ -930,27 +983,26 @@ static CommandList_struct *cmd_alloc(ctlr_info_t *h, int get_from_pool) return c; } -/* - * Frees a command block that was previously allocated with cmd_alloc(). - */ -static void cmd_free(ctlr_info_t *h, CommandList_struct *c, int got_from_pool) +static void cmd_free(ctlr_info_t *h, CommandList_struct *c) { int i; + + i = c - h->cmd_pool; + clear_bit(i & (BITS_PER_LONG - 1), + h->cmd_pool_bits + (i / BITS_PER_LONG)); + h->nr_frees++; +} + +static void cmd_special_free(ctlr_info_t *h, CommandList_struct *c) +{ u64bit temp64; - if (!got_from_pool) { - temp64.val32.lower = c->ErrDesc.Addr.lower; - temp64.val32.upper = c->ErrDesc.Addr.upper; - pci_free_consistent(h->pdev, sizeof(ErrorInfo_struct), - c->err_info, (dma_addr_t) temp64.val); - pci_free_consistent(h->pdev, sizeof(CommandList_struct), - c, (dma_addr_t) c->busaddr); - } else { - i = c - h->cmd_pool; - clear_bit(i & (BITS_PER_LONG - 1), - h->cmd_pool_bits + (i / BITS_PER_LONG)); - h->nr_frees++; - } + temp64.val32.lower = c->ErrDesc.Addr.lower; + temp64.val32.upper = c->ErrDesc.Addr.upper; + pci_free_consistent(h->pdev, sizeof(ErrorInfo_struct), + c->err_info, (dma_addr_t) temp64.val); + pci_free_consistent(h->pdev, sizeof(CommandList_struct), + c, (dma_addr_t) c->busaddr); } static inline ctlr_info_t *get_host(struct gendisk *disk) @@ -968,13 +1020,10 @@ static inline drive_info_struct *get_drv(struct gendisk *disk) */ static int cciss_open(struct block_device *bdev, fmode_t mode) { - ctlr_info_t *host = get_host(bdev->bd_disk); + ctlr_info_t *h = get_host(bdev->bd_disk); drive_info_struct *drv = get_drv(bdev->bd_disk); -#ifdef CCISS_DEBUG - printk(KERN_DEBUG "cciss_open %s\n", bdev->bd_disk->disk_name); -#endif /* CCISS_DEBUG */ - + dev_dbg(&h->pdev->dev, "cciss_open %s\n", bdev->bd_disk->disk_name); if (drv->busy_configuring) return -EBUSY; /* @@ -1000,29 +1049,39 @@ static int cciss_open(struct block_device *bdev, fmode_t mode) return -EPERM; } drv->usage_count++; - host->usage_count++; + h->usage_count++; return 0; } +static int cciss_unlocked_open(struct block_device *bdev, fmode_t mode) +{ + int ret; + + lock_kernel(); + ret = cciss_open(bdev, mode); + unlock_kernel(); + + return ret; +} + /* * Close. Sync first. */ static int cciss_release(struct gendisk *disk, fmode_t mode) { - ctlr_info_t *host = get_host(disk); - drive_info_struct *drv = get_drv(disk); - -#ifdef CCISS_DEBUG - printk(KERN_DEBUG "cciss_release %s\n", disk->disk_name); -#endif /* CCISS_DEBUG */ + ctlr_info_t *h; + drive_info_struct *drv; + lock_kernel(); + h = get_host(disk); + drv = get_drv(disk); + dev_dbg(&h->pdev->dev, "cciss_release %s\n", disk->disk_name); drv->usage_count--; - host->usage_count--; + h->usage_count--; + unlock_kernel(); return 0; } -#ifdef CONFIG_COMPAT - static int do_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, unsigned long arg) { @@ -1033,6 +1092,8 @@ static int do_ioctl(struct block_device *bdev, fmode_t mode, return ret; } +#ifdef CONFIG_COMPAT + static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode, unsigned cmd, unsigned long arg); static int cciss_ioctl32_big_passthru(struct block_device *bdev, fmode_t mode, @@ -1163,11 +1224,11 @@ static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo) return 0; } -static void check_ioctl_unit_attention(ctlr_info_t *host, CommandList_struct *c) +static void check_ioctl_unit_attention(ctlr_info_t *h, CommandList_struct *c) { if (c->err_info->CommandStatus == CMD_TARGET_STATUS && c->err_info->ScsiStatus != SAM_STAT_CHECK_CONDITION) - (void)check_for_unit_attention(host, c); + (void)check_for_unit_attention(h, c); } /* * ioctl @@ -1176,15 +1237,12 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg) { struct gendisk *disk = bdev->bd_disk; - ctlr_info_t *host = get_host(disk); + ctlr_info_t *h = get_host(disk); drive_info_struct *drv = get_drv(disk); - int ctlr = host->ctlr; void __user *argp = (void __user *)arg; -#ifdef CCISS_DEBUG - printk(KERN_DEBUG "cciss_ioctl: Called with cmd=%x %lx\n", cmd, arg); -#endif /* CCISS_DEBUG */ - + dev_dbg(&h->pdev->dev, "cciss_ioctl: Called with cmd=%x %lx\n", + cmd, arg); switch (cmd) { case CCISS_GETPCIINFO: { @@ -1192,10 +1250,10 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, if (!arg) return -EINVAL; - pciinfo.domain = pci_domain_nr(host->pdev->bus); - pciinfo.bus = host->pdev->bus->number; - pciinfo.dev_fn = host->pdev->devfn; - pciinfo.board_id = host->board_id; + pciinfo.domain = pci_domain_nr(h->pdev->bus); + pciinfo.bus = h->pdev->bus->number; + pciinfo.dev_fn = h->pdev->devfn; + pciinfo.board_id = h->board_id; if (copy_to_user (argp, &pciinfo, sizeof(cciss_pci_info_struct))) return -EFAULT; @@ -1207,9 +1265,9 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, if (!arg) return -EINVAL; intinfo.delay = - readl(&host->cfgtable->HostWrite.CoalIntDelay); + readl(&h->cfgtable->HostWrite.CoalIntDelay); intinfo.count = - readl(&host->cfgtable->HostWrite.CoalIntCount); + readl(&h->cfgtable->HostWrite.CoalIntCount); if (copy_to_user (argp, &intinfo, sizeof(cciss_coalint_struct))) return -EFAULT; @@ -1229,26 +1287,23 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, (&intinfo, argp, sizeof(cciss_coalint_struct))) return -EFAULT; if ((intinfo.delay == 0) && (intinfo.count == 0)) - { -// printk("cciss_ioctl: delay and count cannot be 0\n"); return -EINVAL; - } - spin_lock_irqsave(CCISS_LOCK(ctlr), flags); + spin_lock_irqsave(&h->lock, flags); /* Update the field, and then ring the doorbell */ writel(intinfo.delay, - &(host->cfgtable->HostWrite.CoalIntDelay)); + &(h->cfgtable->HostWrite.CoalIntDelay)); writel(intinfo.count, - &(host->cfgtable->HostWrite.CoalIntCount)); - writel(CFGTBL_ChangeReq, host->vaddr + SA5_DOORBELL); + &(h->cfgtable->HostWrite.CoalIntCount)); + writel(CFGTBL_ChangeReq, h->vaddr + SA5_DOORBELL); for (i = 0; i < MAX_IOCTL_CONFIG_WAIT; i++) { - if (!(readl(host->vaddr + SA5_DOORBELL) + if (!(readl(h->vaddr + SA5_DOORBELL) & CFGTBL_ChangeReq)) break; /* delay and try again */ udelay(1000); } - spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); if (i >= MAX_IOCTL_CONFIG_WAIT) return -EAGAIN; return 0; @@ -1262,7 +1317,7 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, return -EINVAL; for (i = 0; i < 16; i++) NodeName[i] = - readb(&host->cfgtable->ServerName[i]); + readb(&h->cfgtable->ServerName[i]); if (copy_to_user(argp, NodeName, sizeof(NodeName_type))) return -EFAULT; return 0; @@ -1282,23 +1337,23 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, (NodeName, argp, sizeof(NodeName_type))) return -EFAULT; - spin_lock_irqsave(CCISS_LOCK(ctlr), flags); + spin_lock_irqsave(&h->lock, flags); /* Update the field, and then ring the doorbell */ for (i = 0; i < 16; i++) writeb(NodeName[i], - &host->cfgtable->ServerName[i]); + &h->cfgtable->ServerName[i]); - writel(CFGTBL_ChangeReq, host->vaddr + SA5_DOORBELL); + writel(CFGTBL_ChangeReq, h->vaddr + SA5_DOORBELL); for (i = 0; i < MAX_IOCTL_CONFIG_WAIT; i++) { - if (!(readl(host->vaddr + SA5_DOORBELL) + if (!(readl(h->vaddr + SA5_DOORBELL) & CFGTBL_ChangeReq)) break; /* delay and try again */ udelay(1000); } - spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); if (i >= MAX_IOCTL_CONFIG_WAIT) return -EAGAIN; return 0; @@ -1310,7 +1365,7 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, if (!arg) return -EINVAL; - heartbeat = readl(&host->cfgtable->HeartBeat); + heartbeat = readl(&h->cfgtable->HeartBeat); if (copy_to_user (argp, &heartbeat, sizeof(Heartbeat_type))) return -EFAULT; @@ -1322,7 +1377,7 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, if (!arg) return -EINVAL; - BusTypes = readl(&host->cfgtable->BusTypes); + BusTypes = readl(&h->cfgtable->BusTypes); if (copy_to_user (argp, &BusTypes, sizeof(BusTypes_type))) return -EFAULT; @@ -1334,7 +1389,7 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, if (!arg) return -EINVAL; - memcpy(firmware, host->firm_ver, 4); + memcpy(firmware, h->firm_ver, 4); if (copy_to_user (argp, firmware, sizeof(FirmwareVer_type))) @@ -1357,7 +1412,7 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, case CCISS_DEREGDISK: case CCISS_REGNEWD: case CCISS_REVALIDVOLS: - return rebuild_lun_table(host, 0, 1); + return rebuild_lun_table(h, 0, 1); case CCISS_GETLUNINFO:{ LogvolInfo_struct luninfo; @@ -1377,7 +1432,6 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, CommandList_struct *c; char *buff = NULL; u64bit temp64; - unsigned long flags; DECLARE_COMPLETION_ONSTACK(wait); if (!arg) @@ -1413,7 +1467,8 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, } else { memset(buff, 0, iocommand.buf_size); } - if ((c = cmd_alloc(host, 0)) == NULL) { + c = cmd_special_alloc(h); + if (!c) { kfree(buff); return -ENOMEM; } @@ -1439,7 +1494,7 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, /* Fill in the scatter gather information */ if (iocommand.buf_size > 0) { - temp64.val = pci_map_single(host->pdev, buff, + temp64.val = pci_map_single(h->pdev, buff, iocommand.buf_size, PCI_DMA_BIDIRECTIONAL); c->SG[0].Addr.lower = temp64.val32.lower; @@ -1449,30 +1504,24 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, } c->waiting = &wait; - /* Put the request on the tail of the request queue */ - spin_lock_irqsave(CCISS_LOCK(ctlr), flags); - addQ(&host->reqQ, c); - host->Qdepth++; - start_io(host); - spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); - + enqueue_cmd_and_start_io(h, c); wait_for_completion(&wait); /* unlock the buffers from DMA */ temp64.val32.lower = c->SG[0].Addr.lower; temp64.val32.upper = c->SG[0].Addr.upper; - pci_unmap_single(host->pdev, (dma_addr_t) temp64.val, + pci_unmap_single(h->pdev, (dma_addr_t) temp64.val, iocommand.buf_size, PCI_DMA_BIDIRECTIONAL); - check_ioctl_unit_attention(host, c); + check_ioctl_unit_attention(h, c); /* Copy the error information out */ iocommand.error_info = *(c->err_info); if (copy_to_user (argp, &iocommand, sizeof(IOCTL_Command_struct))) { kfree(buff); - cmd_free(host, c, 0); + cmd_special_free(h, c); return -EFAULT; } @@ -1481,12 +1530,12 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, if (copy_to_user (iocommand.buf, buff, iocommand.buf_size)) { kfree(buff); - cmd_free(host, c, 0); + cmd_special_free(h, c); return -EFAULT; } } kfree(buff); - cmd_free(host, c, 0); + cmd_special_free(h, c); return 0; } case CCISS_BIG_PASSTHRU:{ @@ -1495,7 +1544,6 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, unsigned char **buff = NULL; int *buff_size = NULL; u64bit temp64; - unsigned long flags; BYTE sg_used = 0; int status = 0; int i; @@ -1569,7 +1617,8 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, data_ptr += sz; sg_used++; } - if ((c = cmd_alloc(host, 0)) == NULL) { + c = cmd_special_alloc(h); + if (!c) { status = -ENOMEM; goto cleanup1; } @@ -1590,7 +1639,7 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, if (ioc->buf_size > 0) { for (i = 0; i < sg_used; i++) { temp64.val = - pci_map_single(host->pdev, buff[i], + pci_map_single(h->pdev, buff[i], buff_size[i], PCI_DMA_BIDIRECTIONAL); c->SG[i].Addr.lower = @@ -1602,26 +1651,21 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, } } c->waiting = &wait; - /* Put the request on the tail of the request queue */ - spin_lock_irqsave(CCISS_LOCK(ctlr), flags); - addQ(&host->reqQ, c); - host->Qdepth++; - start_io(host); - spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); + enqueue_cmd_and_start_io(h, c); wait_for_completion(&wait); /* unlock the buffers from DMA */ for (i = 0; i < sg_used; i++) { temp64.val32.lower = c->SG[i].Addr.lower; temp64.val32.upper = c->SG[i].Addr.upper; - pci_unmap_single(host->pdev, + pci_unmap_single(h->pdev, (dma_addr_t) temp64.val, buff_size[i], PCI_DMA_BIDIRECTIONAL); } - check_ioctl_unit_attention(host, c); + check_ioctl_unit_attention(h, c); /* Copy the error information out */ ioc->error_info = *(c->err_info); if (copy_to_user(argp, ioc, sizeof(*ioc))) { - cmd_free(host, c, 0); + cmd_special_free(h, c); status = -EFAULT; goto cleanup1; } @@ -1631,14 +1675,14 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, for (i = 0; i < sg_used; i++) { if (copy_to_user (ptr, buff[i], buff_size[i])) { - cmd_free(host, c, 0); + cmd_special_free(h, c); status = -EFAULT; goto cleanup1; } ptr += buff_size[i]; } } - cmd_free(host, c, 0); + cmd_special_free(h, c); status = 0; cleanup1: if (buff) { @@ -1726,26 +1770,26 @@ static void cciss_check_queues(ctlr_info_t *h) static void cciss_softirq_done(struct request *rq) { - CommandList_struct *cmd = rq->completion_data; - ctlr_info_t *h = hba[cmd->ctlr]; - SGDescriptor_struct *curr_sg = cmd->SG; - unsigned long flags; + CommandList_struct *c = rq->completion_data; + ctlr_info_t *h = hba[c->ctlr]; + SGDescriptor_struct *curr_sg = c->SG; u64bit temp64; + unsigned long flags; int i, ddir; int sg_index = 0; - if (cmd->Request.Type.Direction == XFER_READ) + if (c->Request.Type.Direction == XFER_READ) ddir = PCI_DMA_FROMDEVICE; else ddir = PCI_DMA_TODEVICE; /* command did not need to be retried */ /* unmap the DMA mapping for all the scatter gather elements */ - for (i = 0; i < cmd->Header.SGList; i++) { + for (i = 0; i < c->Header.SGList; i++) { if (curr_sg[sg_index].Ext == CCISS_SG_CHAIN) { - cciss_unmap_sg_chain_block(h, cmd); + cciss_unmap_sg_chain_block(h, c); /* Point to the next block */ - curr_sg = h->cmd_sg_list[cmd->cmdindex]; + curr_sg = h->cmd_sg_list[c->cmdindex]; sg_index = 0; } temp64.val32.lower = curr_sg[sg_index].Addr.lower; @@ -1755,18 +1799,16 @@ static void cciss_softirq_done(struct request *rq) ++sg_index; } -#ifdef CCISS_DEBUG - printk("Done with %p\n", rq); -#endif /* CCISS_DEBUG */ + dev_dbg(&h->pdev->dev, "Done with %p\n", rq); /* set the residual count for pc requests */ - if (blk_pc_request(rq)) - rq->resid_len = cmd->err_info->ResidualCnt; + if (rq->cmd_type == REQ_TYPE_BLOCK_PC) + rq->resid_len = c->err_info->ResidualCnt; blk_end_request_all(rq, (rq->errors == 0) ? 0 : -EIO); spin_lock_irqsave(&h->lock, flags); - cmd_free(h, cmd, 1); + cmd_free(h, c); cciss_check_queues(h); spin_unlock_irqrestore(&h->lock, flags); } @@ -1782,7 +1824,7 @@ static inline void log_unit_to_scsi3addr(ctlr_info_t *h, * via the inquiry page 0. Model, vendor, and rev are set to empty strings if * they cannot be read. */ -static void cciss_get_device_descr(int ctlr, int logvol, +static void cciss_get_device_descr(ctlr_info_t *h, int logvol, char *vendor, char *model, char *rev) { int rc; @@ -1797,8 +1839,8 @@ static void cciss_get_device_descr(int ctlr, int logvol, if (!inq_buf) return; - log_unit_to_scsi3addr(hba[ctlr], scsi3addr, logvol); - rc = sendcmd_withirq(CISS_INQUIRY, ctlr, inq_buf, sizeof(*inq_buf), 0, + log_unit_to_scsi3addr(h, scsi3addr, logvol); + rc = sendcmd_withirq(h, CISS_INQUIRY, inq_buf, sizeof(*inq_buf), 0, scsi3addr, TYPE_CMD); if (rc == IO_OK) { memcpy(vendor, &inq_buf->data_byte[8], VENDOR_LEN); @@ -1818,7 +1860,7 @@ static void cciss_get_device_descr(int ctlr, int logvol, * number cannot be had, for whatever reason, 16 bytes of 0xff * are returned instead. */ -static void cciss_get_serial_no(int ctlr, int logvol, +static void cciss_get_serial_no(ctlr_info_t *h, int logvol, unsigned char *serial_no, int buflen) { #define PAGE_83_INQ_BYTES 64 @@ -1833,8 +1875,8 @@ static void cciss_get_serial_no(int ctlr, int logvol, if (!buf) return; memset(serial_no, 0, buflen); - log_unit_to_scsi3addr(hba[ctlr], scsi3addr, logvol); - rc = sendcmd_withirq(CISS_INQUIRY, ctlr, buf, + log_unit_to_scsi3addr(h, scsi3addr, logvol); + rc = sendcmd_withirq(h, CISS_INQUIRY, buf, PAGE_83_INQ_BYTES, 0x83, scsi3addr, TYPE_CMD); if (rc == IO_OK) memcpy(serial_no, &buf[8], buflen); @@ -1900,10 +1942,9 @@ init_queue_failure: * is also the controller node. Any changes to disk 0 will show up on * the next reboot. */ -static void cciss_update_drive_info(int ctlr, int drv_index, int first_time, - int via_ioctl) +static void cciss_update_drive_info(ctlr_info_t *h, int drv_index, + int first_time, int via_ioctl) { - ctlr_info_t *h = hba[ctlr]; struct gendisk *disk; InquiryData_struct *inq_buff = NULL; unsigned int block_size; @@ -1920,16 +1961,16 @@ static void cciss_update_drive_info(int ctlr, int drv_index, int first_time, /* testing to see if 16-byte CDBs are already being used */ if (h->cciss_read == CCISS_READ_16) { - cciss_read_capacity_16(h->ctlr, drv_index, + cciss_read_capacity_16(h, drv_index, &total_size, &block_size); } else { - cciss_read_capacity(ctlr, drv_index, &total_size, &block_size); + cciss_read_capacity(h, drv_index, &total_size, &block_size); /* if read_capacity returns all F's this volume is >2TB */ /* in size so we switch to 16-byte CDB's for all */ /* read/write ops */ if (total_size == 0xFFFFFFFFULL) { - cciss_read_capacity_16(ctlr, drv_index, + cciss_read_capacity_16(h, drv_index, &total_size, &block_size); h->cciss_read = CCISS_READ_16; h->cciss_write = CCISS_WRITE_16; @@ -1939,14 +1980,14 @@ static void cciss_update_drive_info(int ctlr, int drv_index, int first_time, } } - cciss_geometry_inquiry(ctlr, drv_index, total_size, block_size, + cciss_geometry_inquiry(h, drv_index, total_size, block_size, inq_buff, drvinfo); drvinfo->block_size = block_size; drvinfo->nr_blocks = total_size + 1; - cciss_get_device_descr(ctlr, drv_index, drvinfo->vendor, + cciss_get_device_descr(h, drv_index, drvinfo->vendor, drvinfo->model, drvinfo->rev); - cciss_get_serial_no(ctlr, drv_index, drvinfo->serial_no, + cciss_get_serial_no(h, drv_index, drvinfo->serial_no, sizeof(drvinfo->serial_no)); /* Save the lunid in case we deregister the disk, below. */ memcpy(drvinfo->LunID, h->drv[drv_index]->LunID, @@ -1971,10 +2012,10 @@ static void cciss_update_drive_info(int ctlr, int drv_index, int first_time, * (unless it's the first disk (for the controller node). */ if (h->drv[drv_index]->raid_level != -1 && drv_index != 0) { - printk(KERN_WARNING "disk %d has changed.\n", drv_index); - spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); + dev_warn(&h->pdev->dev, "disk %d has changed.\n", drv_index); + spin_lock_irqsave(&h->lock, flags); h->drv[drv_index]->busy_configuring = 1; - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); /* deregister_disk sets h->drv[drv_index]->queue = NULL * which keeps the interrupt handler from starting @@ -2024,8 +2065,8 @@ static void cciss_update_drive_info(int ctlr, int drv_index, int first_time, if (cciss_add_disk(h, disk, drv_index) != 0) { cciss_free_gendisk(h, drv_index); cciss_free_drive_info(h, drv_index); - printk(KERN_WARNING "cciss:%d could not update " - "disk %d\n", h->ctlr, drv_index); + dev_warn(&h->pdev->dev, "could not update disk %d\n", + drv_index); --h->num_luns; } } @@ -2035,7 +2076,7 @@ freeret: kfree(drvinfo); return; mem_msg: - printk(KERN_ERR "cciss: out of memory\n"); + dev_err(&h->pdev->dev, "out of memory\n"); goto freeret; } @@ -2127,9 +2168,9 @@ static int cciss_add_gendisk(ctlr_info_t *h, unsigned char lunid[], h->gendisk[drv_index] = alloc_disk(1 << NWD_SHIFT); if (!h->gendisk[drv_index]) { - printk(KERN_ERR "cciss%d: could not " - "allocate a new disk %d\n", - h->ctlr, drv_index); + dev_err(&h->pdev->dev, + "could not allocate a new disk %d\n", + drv_index); goto err_free_drive_info; } } @@ -2180,8 +2221,7 @@ static void cciss_add_controller_node(ctlr_info_t *h) cciss_free_gendisk(h, drv_index); cciss_free_drive_info(h, drv_index); error: - printk(KERN_WARNING "cciss%d: could not " - "add disk 0.\n", h->ctlr); + dev_warn(&h->pdev->dev, "could not add disk 0.\n"); return; } @@ -2196,7 +2236,6 @@ error: static int rebuild_lun_table(ctlr_info_t *h, int first_time, int via_ioctl) { - int ctlr = h->ctlr; int num_luns; ReportLunData_struct *ld_buff = NULL; int return_code; @@ -2211,27 +2250,27 @@ static int rebuild_lun_table(ctlr_info_t *h, int first_time, return -EPERM; /* Set busy_configuring flag for this operation */ - spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); if (h->busy_configuring) { - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); return -EBUSY; } h->busy_configuring = 1; - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); ld_buff = kzalloc(sizeof(ReportLunData_struct), GFP_KERNEL); if (ld_buff == NULL) goto mem_msg; - return_code = sendcmd_withirq(CISS_REPORT_LOG, ctlr, ld_buff, + return_code = sendcmd_withirq(h, CISS_REPORT_LOG, ld_buff, sizeof(ReportLunData_struct), 0, CTLR_LUNID, TYPE_CMD); if (return_code == IO_OK) listlength = be32_to_cpu(*(__be32 *) ld_buff->LUNListLength); else { /* reading number of logical volumes failed */ - printk(KERN_WARNING "cciss: report logical volume" - " command failed\n"); + dev_warn(&h->pdev->dev, + "report logical volume command failed\n"); listlength = 0; goto freeret; } @@ -2239,7 +2278,7 @@ static int rebuild_lun_table(ctlr_info_t *h, int first_time, num_luns = listlength / 8; /* 8 bytes per entry */ if (num_luns > CISS_MAX_LUN) { num_luns = CISS_MAX_LUN; - printk(KERN_WARNING "cciss: more luns configured" + dev_warn(&h->pdev->dev, "more luns configured" " on controller than can be handled by" " this driver.\n"); } @@ -2270,9 +2309,9 @@ static int rebuild_lun_table(ctlr_info_t *h, int first_time, } if (!drv_found) { /* Deregister it from the OS, it's gone. */ - spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); h->drv[i]->busy_configuring = 1; - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); return_code = deregister_disk(h, i, 1, via_ioctl); if (h->drv[i] != NULL) h->drv[i]->busy_configuring = 0; @@ -2311,8 +2350,7 @@ static int rebuild_lun_table(ctlr_info_t *h, int first_time, if (drv_index == -1) goto freeret; } - cciss_update_drive_info(ctlr, drv_index, first_time, - via_ioctl); + cciss_update_drive_info(h, drv_index, first_time, via_ioctl); } /* end for */ freeret: @@ -2324,7 +2362,7 @@ freeret: */ return -1; mem_msg: - printk(KERN_ERR "cciss: out of memory\n"); + dev_err(&h->pdev->dev, "out of memory\n"); h->busy_configuring = 0; goto freeret; } @@ -2444,11 +2482,10 @@ static int deregister_disk(ctlr_info_t *h, int drv_index, return 0; } -static int fill_cmd(CommandList_struct *c, __u8 cmd, int ctlr, void *buff, +static int fill_cmd(ctlr_info_t *h, CommandList_struct *c, __u8 cmd, void *buff, size_t size, __u8 page_code, unsigned char *scsi3addr, int cmd_type) { - ctlr_info_t *h = hba[ctlr]; u64bit buff_dma_handle; int status = IO_OK; @@ -2532,8 +2569,7 @@ static int fill_cmd(CommandList_struct *c, __u8 cmd, int ctlr, void *buff, c->Request.Timeout = 0; break; default: - printk(KERN_WARNING - "cciss%d: Unknown Command 0x%c\n", ctlr, cmd); + dev_warn(&h->pdev->dev, "Unknown Command 0x%c\n", cmd); return IO_ERROR; } } else if (cmd_type == TYPE_MSG) { @@ -2565,13 +2601,12 @@ static int fill_cmd(CommandList_struct *c, __u8 cmd, int ctlr, void *buff, c->Request.CDB[0] = cmd; break; default: - printk(KERN_WARNING - "cciss%d: unknown message type %d\n", ctlr, cmd); + dev_warn(&h->pdev->dev, + "unknown message type %d\n", cmd); return IO_ERROR; } } else { - printk(KERN_WARNING - "cciss%d: unknown command type %d\n", ctlr, cmd_type); + dev_warn(&h->pdev->dev, "unknown command type %d\n", cmd_type); return IO_ERROR; } /* Fill in the scatter gather information */ @@ -2599,15 +2634,14 @@ static int check_target_status(ctlr_info_t *h, CommandList_struct *c) default: if (check_for_unit_attention(h, c)) return IO_NEEDS_RETRY; - printk(KERN_WARNING "cciss%d: cmd 0x%02x " + dev_warn(&h->pdev->dev, "cmd 0x%02x " "check condition, sense key = 0x%02x\n", - h->ctlr, c->Request.CDB[0], - c->err_info->SenseInfo[2]); + c->Request.CDB[0], c->err_info->SenseInfo[2]); } break; default: - printk(KERN_WARNING "cciss%d: cmd 0x%02x" - "scsi status = 0x%02x\n", h->ctlr, + dev_warn(&h->pdev->dev, "cmd 0x%02x" + "scsi status = 0x%02x\n", c->Request.CDB[0], c->err_info->ScsiStatus); break; } @@ -2630,43 +2664,42 @@ static int process_sendcmd_error(ctlr_info_t *h, CommandList_struct *c) /* expected for inquiry and report lun commands */ break; case CMD_INVALID: - printk(KERN_WARNING "cciss: cmd 0x%02x is " + dev_warn(&h->pdev->dev, "cmd 0x%02x is " "reported invalid\n", c->Request.CDB[0]); return_status = IO_ERROR; break; case CMD_PROTOCOL_ERR: - printk(KERN_WARNING "cciss: cmd 0x%02x has " - "protocol error \n", c->Request.CDB[0]); + dev_warn(&h->pdev->dev, "cmd 0x%02x has " + "protocol error\n", c->Request.CDB[0]); return_status = IO_ERROR; break; case CMD_HARDWARE_ERR: - printk(KERN_WARNING "cciss: cmd 0x%02x had " + dev_warn(&h->pdev->dev, "cmd 0x%02x had " " hardware error\n", c->Request.CDB[0]); return_status = IO_ERROR; break; case CMD_CONNECTION_LOST: - printk(KERN_WARNING "cciss: cmd 0x%02x had " + dev_warn(&h->pdev->dev, "cmd 0x%02x had " "connection lost\n", c->Request.CDB[0]); return_status = IO_ERROR; break; case CMD_ABORTED: - printk(KERN_WARNING "cciss: cmd 0x%02x was " + dev_warn(&h->pdev->dev, "cmd 0x%02x was " "aborted\n", c->Request.CDB[0]); return_status = IO_ERROR; break; case CMD_ABORT_FAILED: - printk(KERN_WARNING "cciss: cmd 0x%02x reports " + dev_warn(&h->pdev->dev, "cmd 0x%02x reports " "abort failed\n", c->Request.CDB[0]); return_status = IO_ERROR; break; case CMD_UNSOLICITED_ABORT: - printk(KERN_WARNING - "cciss%d: unsolicited abort 0x%02x\n", h->ctlr, + dev_warn(&h->pdev->dev, "unsolicited abort 0x%02x\n", c->Request.CDB[0]); return_status = IO_NEEDS_RETRY; break; default: - printk(KERN_WARNING "cciss: cmd 0x%02x returned " + dev_warn(&h->pdev->dev, "cmd 0x%02x returned " "unknown status %x\n", c->Request.CDB[0], c->err_info->CommandStatus); return_status = IO_ERROR; @@ -2679,17 +2712,11 @@ static int sendcmd_withirq_core(ctlr_info_t *h, CommandList_struct *c, { DECLARE_COMPLETION_ONSTACK(wait); u64bit buff_dma_handle; - unsigned long flags; int return_status = IO_OK; resend_cmd2: c->waiting = &wait; - /* Put the request on the tail of the queue and send it */ - spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); - addQ(&h->reqQ, c); - h->Qdepth++; - start_io(h); - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + enqueue_cmd_and_start_io(h, c); wait_for_completion(&wait); @@ -2700,7 +2727,7 @@ resend_cmd2: if (return_status == IO_NEEDS_RETRY && c->retry_count < MAX_CMD_RETRIES) { - printk(KERN_WARNING "cciss%d: retrying 0x%02x\n", h->ctlr, + dev_warn(&h->pdev->dev, "retrying 0x%02x\n", c->Request.CDB[0]); c->retry_count++; /* erase the old error information */ @@ -2719,27 +2746,26 @@ command_done: return return_status; } -static int sendcmd_withirq(__u8 cmd, int ctlr, void *buff, size_t size, +static int sendcmd_withirq(ctlr_info_t *h, __u8 cmd, void *buff, size_t size, __u8 page_code, unsigned char scsi3addr[], int cmd_type) { - ctlr_info_t *h = hba[ctlr]; CommandList_struct *c; int return_status; - c = cmd_alloc(h, 0); + c = cmd_special_alloc(h); if (!c) return -ENOMEM; - return_status = fill_cmd(c, cmd, ctlr, buff, size, page_code, + return_status = fill_cmd(h, c, cmd, buff, size, page_code, scsi3addr, cmd_type); if (return_status == IO_OK) return_status = sendcmd_withirq_core(h, c, 1); - cmd_free(h, c, 0); + cmd_special_free(h, c); return return_status; } -static void cciss_geometry_inquiry(int ctlr, int logvol, +static void cciss_geometry_inquiry(ctlr_info_t *h, int logvol, sector_t total_size, unsigned int block_size, InquiryData_struct *inq_buff, @@ -2750,13 +2776,13 @@ static void cciss_geometry_inquiry(int ctlr, int logvol, unsigned char scsi3addr[8]; memset(inq_buff, 0, sizeof(InquiryData_struct)); - log_unit_to_scsi3addr(hba[ctlr], scsi3addr, logvol); - return_code = sendcmd_withirq(CISS_INQUIRY, ctlr, inq_buff, + log_unit_to_scsi3addr(h, scsi3addr, logvol); + return_code = sendcmd_withirq(h, CISS_INQUIRY, inq_buff, sizeof(*inq_buff), 0xC1, scsi3addr, TYPE_CMD); if (return_code == IO_OK) { if (inq_buff->data_byte[8] == 0xFF) { - printk(KERN_WARNING - "cciss: reading geometry failed, volume " + dev_warn(&h->pdev->dev, + "reading geometry failed, volume " "does not support reading geometry\n"); drv->heads = 255; drv->sectors = 32; /* Sectors per track */ @@ -2780,12 +2806,12 @@ static void cciss_geometry_inquiry(int ctlr, int logvol, drv->cylinders = real_size; } } else { /* Get geometry failed */ - printk(KERN_WARNING "cciss: reading geometry failed\n"); + dev_warn(&h->pdev->dev, "reading geometry failed\n"); } } static void -cciss_read_capacity(int ctlr, int logvol, sector_t *total_size, +cciss_read_capacity(ctlr_info_t *h, int logvol, sector_t *total_size, unsigned int *block_size) { ReadCapdata_struct *buf; @@ -2794,25 +2820,25 @@ cciss_read_capacity(int ctlr, int logvol, sector_t *total_size, buf = kzalloc(sizeof(ReadCapdata_struct), GFP_KERNEL); if (!buf) { - printk(KERN_WARNING "cciss: out of memory\n"); + dev_warn(&h->pdev->dev, "out of memory\n"); return; } - log_unit_to_scsi3addr(hba[ctlr], scsi3addr, logvol); - return_code = sendcmd_withirq(CCISS_READ_CAPACITY, ctlr, buf, + log_unit_to_scsi3addr(h, scsi3addr, logvol); + return_code = sendcmd_withirq(h, CCISS_READ_CAPACITY, buf, sizeof(ReadCapdata_struct), 0, scsi3addr, TYPE_CMD); if (return_code == IO_OK) { *total_size = be32_to_cpu(*(__be32 *) buf->total_size); *block_size = be32_to_cpu(*(__be32 *) buf->block_size); } else { /* read capacity command failed */ - printk(KERN_WARNING "cciss: read capacity failed\n"); + dev_warn(&h->pdev->dev, "read capacity failed\n"); *total_size = 0; *block_size = BLOCK_SIZE; } kfree(buf); } -static void cciss_read_capacity_16(int ctlr, int logvol, +static void cciss_read_capacity_16(ctlr_info_t *h, int logvol, sector_t *total_size, unsigned int *block_size) { ReadCapdata_struct_16 *buf; @@ -2821,23 +2847,23 @@ static void cciss_read_capacity_16(int ctlr, int logvol, buf = kzalloc(sizeof(ReadCapdata_struct_16), GFP_KERNEL); if (!buf) { - printk(KERN_WARNING "cciss: out of memory\n"); + dev_warn(&h->pdev->dev, "out of memory\n"); return; } - log_unit_to_scsi3addr(hba[ctlr], scsi3addr, logvol); - return_code = sendcmd_withirq(CCISS_READ_CAPACITY_16, - ctlr, buf, sizeof(ReadCapdata_struct_16), + log_unit_to_scsi3addr(h, scsi3addr, logvol); + return_code = sendcmd_withirq(h, CCISS_READ_CAPACITY_16, + buf, sizeof(ReadCapdata_struct_16), 0, scsi3addr, TYPE_CMD); if (return_code == IO_OK) { *total_size = be64_to_cpu(*(__be64 *) buf->total_size); *block_size = be32_to_cpu(*(__be32 *) buf->block_size); } else { /* read capacity command failed */ - printk(KERN_WARNING "cciss: read capacity failed\n"); + dev_warn(&h->pdev->dev, "read capacity failed\n"); *total_size = 0; *block_size = BLOCK_SIZE; } - printk(KERN_INFO " blocks= %llu block_size= %d\n", + dev_info(&h->pdev->dev, " blocks= %llu block_size= %d\n", (unsigned long long)*total_size+1, *block_size); kfree(buf); } @@ -2865,17 +2891,17 @@ static int cciss_revalidate(struct gendisk *disk) inq_buff = kmalloc(sizeof(InquiryData_struct), GFP_KERNEL); if (inq_buff == NULL) { - printk(KERN_WARNING "cciss: out of memory\n"); + dev_warn(&h->pdev->dev, "out of memory\n"); return 1; } if (h->cciss_read == CCISS_READ_10) { - cciss_read_capacity(h->ctlr, logvol, + cciss_read_capacity(h, logvol, &total_size, &block_size); } else { - cciss_read_capacity_16(h->ctlr, logvol, + cciss_read_capacity_16(h, logvol, &total_size, &block_size); } - cciss_geometry_inquiry(h->ctlr, logvol, total_size, block_size, + cciss_geometry_inquiry(h, logvol, total_size, block_size, inq_buff, drv); blk_queue_logical_block_size(drv->queue, drv->block_size); @@ -2909,7 +2935,7 @@ static void start_io(ctlr_info_t *h) c = hlist_entry(h->reqQ.first, CommandList_struct, list); /* can't do anything if fifo is full */ if ((h->access.fifo_full(h))) { - printk(KERN_WARNING "cciss: fifo full\n"); + dev_warn(&h->pdev->dev, "fifo full\n"); break; } @@ -2925,7 +2951,7 @@ static void start_io(ctlr_info_t *h) } } -/* Assumes that CCISS_LOCK(h->ctlr) is held. */ +/* Assumes that h->lock is held. */ /* Zeros out the error record and then resends the command back */ /* to the controller */ static inline void resend_cciss_cmd(ctlr_info_t *h, CommandList_struct *c) @@ -2966,7 +2992,7 @@ static inline int evaluate_target_status(ctlr_info_t *h, driver_byte = DRIVER_OK; msg_byte = cmd->err_info->CommandStatus; /* correct? seems too device specific */ - if (blk_pc_request(cmd->rq)) + if (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) host_byte = DID_PASSTHROUGH; else host_byte = DID_OK; @@ -2975,8 +3001,8 @@ static inline int evaluate_target_status(ctlr_info_t *h, host_byte, driver_byte); if (cmd->err_info->ScsiStatus != SAM_STAT_CHECK_CONDITION) { - if (!blk_pc_request(cmd->rq)) - printk(KERN_WARNING "cciss: cmd %p " + if (cmd->rq->cmd_type != REQ_TYPE_BLOCK_PC) + dev_warn(&h->pdev->dev, "cmd %p " "has SCSI Status 0x%x\n", cmd, cmd->err_info->ScsiStatus); return error_value; @@ -2985,17 +3011,19 @@ static inline int evaluate_target_status(ctlr_info_t *h, /* check the sense key */ sense_key = 0xf & cmd->err_info->SenseInfo[2]; /* no status or recovered error */ - if (((sense_key == 0x0) || (sense_key == 0x1)) && !blk_pc_request(cmd->rq)) + if (((sense_key == 0x0) || (sense_key == 0x1)) && + (cmd->rq->cmd_type != REQ_TYPE_BLOCK_PC)) error_value = 0; if (check_for_unit_attention(h, cmd)) { - *retry_cmd = !blk_pc_request(cmd->rq); + *retry_cmd = !(cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC); return 0; } - if (!blk_pc_request(cmd->rq)) { /* Not SG_IO or similar? */ + /* Not SG_IO or similar? */ + if (cmd->rq->cmd_type != REQ_TYPE_BLOCK_PC) { if (error_value != 0) - printk(KERN_WARNING "cciss: cmd %p has CHECK CONDITION" + dev_warn(&h->pdev->dev, "cmd %p has CHECK CONDITION" " sense key = 0x%x\n", cmd, sense_key); return error_value; } @@ -3035,90 +3063,97 @@ static inline void complete_command(ctlr_info_t *h, CommandList_struct *cmd, rq->errors = evaluate_target_status(h, cmd, &retry_cmd); break; case CMD_DATA_UNDERRUN: - if (blk_fs_request(cmd->rq)) { - printk(KERN_WARNING "cciss: cmd %p has" + if (cmd->rq->cmd_type == REQ_TYPE_FS) { + dev_warn(&h->pdev->dev, "cmd %p has" " completed with data underrun " "reported\n", cmd); cmd->rq->resid_len = cmd->err_info->ResidualCnt; } break; case CMD_DATA_OVERRUN: - if (blk_fs_request(cmd->rq)) - printk(KERN_WARNING "cciss: cmd %p has" + if (cmd->rq->cmd_type == REQ_TYPE_FS) + dev_warn(&h->pdev->dev, "cciss: cmd %p has" " completed with data overrun " "reported\n", cmd); break; case CMD_INVALID: - printk(KERN_WARNING "cciss: cmd %p is " + dev_warn(&h->pdev->dev, "cciss: cmd %p is " "reported invalid\n", cmd); rq->errors = make_status_bytes(SAM_STAT_GOOD, cmd->err_info->CommandStatus, DRIVER_OK, - blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ERROR); + (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ? + DID_PASSTHROUGH : DID_ERROR); break; case CMD_PROTOCOL_ERR: - printk(KERN_WARNING "cciss: cmd %p has " - "protocol error \n", cmd); + dev_warn(&h->pdev->dev, "cciss: cmd %p has " + "protocol error\n", cmd); rq->errors = make_status_bytes(SAM_STAT_GOOD, cmd->err_info->CommandStatus, DRIVER_OK, - blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ERROR); + (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ? + DID_PASSTHROUGH : DID_ERROR); break; case CMD_HARDWARE_ERR: - printk(KERN_WARNING "cciss: cmd %p had " + dev_warn(&h->pdev->dev, "cciss: cmd %p had " " hardware error\n", cmd); rq->errors = make_status_bytes(SAM_STAT_GOOD, cmd->err_info->CommandStatus, DRIVER_OK, - blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ERROR); + (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ? + DID_PASSTHROUGH : DID_ERROR); break; case CMD_CONNECTION_LOST: - printk(KERN_WARNING "cciss: cmd %p had " + dev_warn(&h->pdev->dev, "cciss: cmd %p had " "connection lost\n", cmd); rq->errors = make_status_bytes(SAM_STAT_GOOD, cmd->err_info->CommandStatus, DRIVER_OK, - blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ERROR); + (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ? + DID_PASSTHROUGH : DID_ERROR); break; case CMD_ABORTED: - printk(KERN_WARNING "cciss: cmd %p was " + dev_warn(&h->pdev->dev, "cciss: cmd %p was " "aborted\n", cmd); rq->errors = make_status_bytes(SAM_STAT_GOOD, cmd->err_info->CommandStatus, DRIVER_OK, - blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ABORT); + (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ? + DID_PASSTHROUGH : DID_ABORT); break; case CMD_ABORT_FAILED: - printk(KERN_WARNING "cciss: cmd %p reports " + dev_warn(&h->pdev->dev, "cciss: cmd %p reports " "abort failed\n", cmd); rq->errors = make_status_bytes(SAM_STAT_GOOD, cmd->err_info->CommandStatus, DRIVER_OK, - blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ERROR); + (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ? + DID_PASSTHROUGH : DID_ERROR); break; case CMD_UNSOLICITED_ABORT: - printk(KERN_WARNING "cciss%d: unsolicited " + dev_warn(&h->pdev->dev, "cciss%d: unsolicited " "abort %p\n", h->ctlr, cmd); if (cmd->retry_count < MAX_CMD_RETRIES) { retry_cmd = 1; - printk(KERN_WARNING - "cciss%d: retrying %p\n", h->ctlr, cmd); + dev_warn(&h->pdev->dev, "retrying %p\n", cmd); cmd->retry_count++; } else - printk(KERN_WARNING - "cciss%d: %p retried too " - "many times\n", h->ctlr, cmd); + dev_warn(&h->pdev->dev, + "%p retried too many times\n", cmd); rq->errors = make_status_bytes(SAM_STAT_GOOD, cmd->err_info->CommandStatus, DRIVER_OK, - blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ABORT); + (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ? + DID_PASSTHROUGH : DID_ABORT); break; case CMD_TIMEOUT: - printk(KERN_WARNING "cciss: cmd %p timedout\n", cmd); + dev_warn(&h->pdev->dev, "cmd %p timedout\n", cmd); rq->errors = make_status_bytes(SAM_STAT_GOOD, cmd->err_info->CommandStatus, DRIVER_OK, - blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ERROR); + (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ? + DID_PASSTHROUGH : DID_ERROR); break; default: - printk(KERN_WARNING "cciss: cmd %p returned " + dev_warn(&h->pdev->dev, "cmd %p returned " "unknown status %x\n", cmd, cmd->err_info->CommandStatus); rq->errors = make_status_bytes(SAM_STAT_GOOD, cmd->err_info->CommandStatus, DRIVER_OK, - blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ERROR); + (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ? + DID_PASSTHROUGH : DID_ERROR); } after_error_processing: @@ -3132,6 +3167,34 @@ after_error_processing: blk_complete_request(cmd->rq); } +static inline u32 cciss_tag_contains_index(u32 tag) +{ +#define DIRECT_LOOKUP_BIT 0x10 + return tag & DIRECT_LOOKUP_BIT; +} + +static inline u32 cciss_tag_to_index(u32 tag) +{ +#define DIRECT_LOOKUP_SHIFT 5 + return tag >> DIRECT_LOOKUP_SHIFT; +} + +static inline u32 cciss_tag_discard_error_bits(u32 tag) +{ +#define CCISS_ERROR_BITS 0x03 + return tag & ~CCISS_ERROR_BITS; +} + +static inline void cciss_mark_tag_indexed(u32 *tag) +{ + *tag |= DIRECT_LOOKUP_BIT; +} + +static inline void cciss_set_tag_index(u32 *tag, u32 index) +{ + *tag |= (index << DIRECT_LOOKUP_SHIFT); +} + /* * Get a request and submit it to the controller. */ @@ -3163,7 +3226,8 @@ static void do_cciss_request(struct request_queue *q) BUG_ON(creq->nr_phys_segments > h->maxsgentries); - if ((c = cmd_alloc(h, 1)) == NULL) + c = cmd_alloc(h); + if (!c) goto full; blk_start_request(creq); @@ -3180,8 +3244,8 @@ static void do_cciss_request(struct request_queue *q) /* got command from pool, so use the command block index instead */ /* for direct lookups. */ /* The first 2 bits are reserved for controller error reporting. */ - c->Header.Tag.lower = (c->cmdindex << 3); - c->Header.Tag.lower |= 0x04; /* flag for direct lookup. */ + cciss_set_tag_index(&c->Header.Tag.lower, c->cmdindex); + cciss_mark_tag_indexed(&c->Header.Tag.lower); memcpy(&c->Header.LUN, drv->LunID, sizeof(drv->LunID)); c->Request.CDBLen = 10; /* 12 byte commands not in FW yet; */ c->Request.Type.Type = TYPE_CMD; /* It is a command. */ @@ -3192,11 +3256,8 @@ static void do_cciss_request(struct request_queue *q) c->Request.CDB[0] = (rq_data_dir(creq) == READ) ? h->cciss_read : h->cciss_write; start_blk = blk_rq_pos(creq); -#ifdef CCISS_DEBUG - printk(KERN_DEBUG "ciss: sector =%d nr_sectors=%d\n", + dev_dbg(&h->pdev->dev, "sector =%d nr_sectors=%d\n", (int)blk_rq_pos(creq), (int)blk_rq_sectors(creq)); -#endif /* CCISS_DEBUG */ - sg_init_table(tmp_sg, h->maxsgentries); seg = blk_rq_map_sg(q, creq, tmp_sg); @@ -3236,17 +3297,18 @@ static void do_cciss_request(struct request_queue *q) if (seg > h->maxSG) h->maxSG = seg; -#ifdef CCISS_DEBUG - printk(KERN_DEBUG "cciss: Submitting %ld sectors in %d segments " + dev_dbg(&h->pdev->dev, "Submitting %u sectors in %d segments " "chained[%d]\n", blk_rq_sectors(creq), seg, chained); -#endif /* CCISS_DEBUG */ - c->Header.SGList = c->Header.SGTotal = seg + chained; - if (seg > h->max_cmd_sgentries) + c->Header.SGTotal = seg + chained; + if (seg <= h->max_cmd_sgentries) + c->Header.SGList = c->Header.SGTotal; + else c->Header.SGList = h->max_cmd_sgentries; + set_performant_mode(h, c); - if (likely(blk_fs_request(creq))) { + if (likely(creq->cmd_type == REQ_TYPE_FS)) { if(h->cciss_read == CCISS_READ_10) { c->Request.CDB[1] = 0; c->Request.CDB[2] = (start_blk >> 24) & 0xff; /* MSB */ @@ -3276,11 +3338,12 @@ static void do_cciss_request(struct request_queue *q) c->Request.CDB[13]= blk_rq_sectors(creq) & 0xff; c->Request.CDB[14] = c->Request.CDB[15] = 0; } - } else if (blk_pc_request(creq)) { + } else if (creq->cmd_type == REQ_TYPE_BLOCK_PC) { c->Request.CDBLen = creq->cmd_len; memcpy(c->Request.CDB, creq->cmd, BLK_MAX_CDB); } else { - printk(KERN_WARNING "cciss%d: bad request type %d\n", h->ctlr, creq->cmd_type); + dev_warn(&h->pdev->dev, "bad request type %d\n", + creq->cmd_type); BUG(); } @@ -3313,72 +3376,131 @@ static inline int interrupt_pending(ctlr_info_t *h) static inline long interrupt_not_for_us(ctlr_info_t *h) { - return (((h->access.intr_pending(h) == 0) || - (h->interrupts_enabled == 0))); + return ((h->access.intr_pending(h) == 0) || + (h->interrupts_enabled == 0)); } -static irqreturn_t do_cciss_intr(int irq, void *dev_id) +static inline int bad_tag(ctlr_info_t *h, u32 tag_index, + u32 raw_tag) { - ctlr_info_t *h = dev_id; + if (unlikely(tag_index >= h->nr_cmds)) { + dev_warn(&h->pdev->dev, "bad tag 0x%08x ignored.\n", raw_tag); + return 1; + } + return 0; +} + +static inline void finish_cmd(ctlr_info_t *h, CommandList_struct *c, + u32 raw_tag) +{ + removeQ(c); + if (likely(c->cmd_type == CMD_RWREQ)) + complete_command(h, c, 0); + else if (c->cmd_type == CMD_IOCTL_PEND) + complete(c->waiting); +#ifdef CONFIG_CISS_SCSI_TAPE + else if (c->cmd_type == CMD_SCSI) + complete_scsi_command(c, 0, raw_tag); +#endif +} + +static inline u32 next_command(ctlr_info_t *h) +{ + u32 a; + + if (unlikely(h->transMethod != CFGTBL_Trans_Performant)) + return h->access.command_completed(h); + + if ((*(h->reply_pool_head) & 1) == (h->reply_pool_wraparound)) { + a = *(h->reply_pool_head); /* Next cmd in ring buffer */ + (h->reply_pool_head)++; + h->commands_outstanding--; + } else { + a = FIFO_EMPTY; + } + /* Check for wraparound */ + if (h->reply_pool_head == (h->reply_pool + h->max_commands)) { + h->reply_pool_head = h->reply_pool; + h->reply_pool_wraparound ^= 1; + } + return a; +} + +/* process completion of an indexed ("direct lookup") command */ +static inline u32 process_indexed_cmd(ctlr_info_t *h, u32 raw_tag) +{ + u32 tag_index; CommandList_struct *c; + + tag_index = cciss_tag_to_index(raw_tag); + if (bad_tag(h, tag_index, raw_tag)) + return next_command(h); + c = h->cmd_pool + tag_index; + finish_cmd(h, c, raw_tag); + return next_command(h); +} + +/* process completion of a non-indexed command */ +static inline u32 process_nonindexed_cmd(ctlr_info_t *h, u32 raw_tag) +{ + u32 tag; + CommandList_struct *c = NULL; + struct hlist_node *tmp; + __u32 busaddr_masked, tag_masked; + + tag = cciss_tag_discard_error_bits(raw_tag); + hlist_for_each_entry(c, tmp, &h->cmpQ, list) { + busaddr_masked = cciss_tag_discard_error_bits(c->busaddr); + tag_masked = cciss_tag_discard_error_bits(tag); + if (busaddr_masked == tag_masked) { + finish_cmd(h, c, raw_tag); + return next_command(h); + } + } + bad_tag(h, h->nr_cmds + 1, raw_tag); + return next_command(h); +} + +static irqreturn_t do_cciss_intx(int irq, void *dev_id) +{ + ctlr_info_t *h = dev_id; unsigned long flags; - __u32 a, a1, a2; + u32 raw_tag; if (interrupt_not_for_us(h)) return IRQ_NONE; - /* - * If there are completed commands in the completion queue, - * we had better do something about it. - */ - spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); while (interrupt_pending(h)) { - while ((a = get_next_completion(h)) != FIFO_EMPTY) { - a1 = a; - if ((a & 0x04)) { - a2 = (a >> 3); - if (a2 >= h->nr_cmds) { - printk(KERN_WARNING - "cciss: controller cciss%d failed, stopping.\n", - h->ctlr); - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); - fail_all_cmds(h->ctlr); - return IRQ_HANDLED; - } - - c = h->cmd_pool + a2; - a = c->busaddr; - - } else { - struct hlist_node *tmp; - - a &= ~3; - c = NULL; - hlist_for_each_entry(c, tmp, &h->cmpQ, list) { - if (c->busaddr == a) - break; - } - } - /* - * If we've found the command, take it off the - * completion Q and free it - */ - if (c && c->busaddr == a) { - removeQ(c); - if (c->cmd_type == CMD_RWREQ) { - complete_command(h, c, 0); - } else if (c->cmd_type == CMD_IOCTL_PEND) { - complete(c->waiting); - } -# ifdef CONFIG_CISS_SCSI_TAPE - else if (c->cmd_type == CMD_SCSI) - complete_scsi_command(c, 0, a1); -# endif - continue; - } + raw_tag = get_next_completion(h); + while (raw_tag != FIFO_EMPTY) { + if (cciss_tag_contains_index(raw_tag)) + raw_tag = process_indexed_cmd(h, raw_tag); + else + raw_tag = process_nonindexed_cmd(h, raw_tag); } } + spin_unlock_irqrestore(&h->lock, flags); + return IRQ_HANDLED; +} - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); +/* Add a second interrupt handler for MSI/MSI-X mode. In this mode we never + * check the interrupt pending register because it is not set. + */ +static irqreturn_t do_cciss_msix_intr(int irq, void *dev_id) +{ + ctlr_info_t *h = dev_id; + unsigned long flags; + u32 raw_tag; + + spin_lock_irqsave(&h->lock, flags); + raw_tag = get_next_completion(h); + while (raw_tag != FIFO_EMPTY) { + if (cciss_tag_contains_index(raw_tag)) + raw_tag = process_indexed_cmd(h, raw_tag); + else + raw_tag = process_nonindexed_cmd(h, raw_tag); + } + spin_unlock_irqrestore(&h->lock, flags); return IRQ_HANDLED; } @@ -3510,18 +3632,17 @@ static int check_for_unit_attention(ctlr_info_t *h, CommandList_struct *c) switch (c->err_info->SenseInfo[12]) { case STATE_CHANGED: - printk(KERN_WARNING "cciss%d: a state change " - "detected, command retried\n", h->ctlr); + dev_warn(&h->pdev->dev, "a state change " + "detected, command retried\n"); return 1; break; case LUN_FAILED: - printk(KERN_WARNING "cciss%d: LUN failure " - "detected, action required\n", h->ctlr); + dev_warn(&h->pdev->dev, "LUN failure " + "detected, action required\n"); return 1; break; case REPORT_LUNS_CHANGED: - printk(KERN_WARNING "cciss%d: report LUN data " - "changed\n", h->ctlr); + dev_warn(&h->pdev->dev, "report LUN data changed\n"); /* * Here, we could call add_to_scan_list and wake up the scan thread, * except that it's quite likely that we will get more than one @@ -3541,19 +3662,18 @@ static int check_for_unit_attention(ctlr_info_t *h, CommandList_struct *c) return 1; break; case POWER_OR_RESET: - printk(KERN_WARNING "cciss%d: a power on " - "or device reset detected\n", h->ctlr); + dev_warn(&h->pdev->dev, + "a power on or device reset detected\n"); return 1; break; case UNIT_ATTENTION_CLEARED: - printk(KERN_WARNING "cciss%d: unit attention " - "cleared by another initiator\n", h->ctlr); + dev_warn(&h->pdev->dev, + "unit attention cleared by another initiator\n"); return 1; break; default: - printk(KERN_WARNING "cciss%d: unknown " - "unit attention detected\n", h->ctlr); - return 1; + dev_warn(&h->pdev->dev, "unknown unit attention detected\n"); + return 1; } } @@ -3562,39 +3682,41 @@ static int check_for_unit_attention(ctlr_info_t *h, CommandList_struct *c) * the io functions. * This is for debug only. */ -#ifdef CCISS_DEBUG -static void print_cfg_table(CfgTable_struct *tb) +static void print_cfg_table(ctlr_info_t *h) { int i; char temp_name[17]; + CfgTable_struct *tb = h->cfgtable; - printk("Controller Configuration information\n"); - printk("------------------------------------\n"); + dev_dbg(&h->pdev->dev, "Controller Configuration information\n"); + dev_dbg(&h->pdev->dev, "------------------------------------\n"); for (i = 0; i < 4; i++) temp_name[i] = readb(&(tb->Signature[i])); temp_name[4] = '\0'; - printk(" Signature = %s\n", temp_name); - printk(" Spec Number = %d\n", readl(&(tb->SpecValence))); - printk(" Transport methods supported = 0x%x\n", + dev_dbg(&h->pdev->dev, " Signature = %s\n", temp_name); + dev_dbg(&h->pdev->dev, " Spec Number = %d\n", + readl(&(tb->SpecValence))); + dev_dbg(&h->pdev->dev, " Transport methods supported = 0x%x\n", readl(&(tb->TransportSupport))); - printk(" Transport methods active = 0x%x\n", + dev_dbg(&h->pdev->dev, " Transport methods active = 0x%x\n", readl(&(tb->TransportActive))); - printk(" Requested transport Method = 0x%x\n", + dev_dbg(&h->pdev->dev, " Requested transport Method = 0x%x\n", readl(&(tb->HostWrite.TransportRequest))); - printk(" Coalesce Interrupt Delay = 0x%x\n", + dev_dbg(&h->pdev->dev, " Coalesce Interrupt Delay = 0x%x\n", readl(&(tb->HostWrite.CoalIntDelay))); - printk(" Coalesce Interrupt Count = 0x%x\n", + dev_dbg(&h->pdev->dev, " Coalesce Interrupt Count = 0x%x\n", readl(&(tb->HostWrite.CoalIntCount))); - printk(" Max outstanding commands = 0x%d\n", + dev_dbg(&h->pdev->dev, " Max outstanding commands = 0x%d\n", readl(&(tb->CmdsOutMax))); - printk(" Bus Types = 0x%x\n", readl(&(tb->BusTypes))); + dev_dbg(&h->pdev->dev, " Bus Types = 0x%x\n", + readl(&(tb->BusTypes))); for (i = 0; i < 16; i++) temp_name[i] = readb(&(tb->ServerName[i])); temp_name[16] = '\0'; - printk(" Server Name = %s\n", temp_name); - printk(" Heartbeat Counter = 0x%x\n\n\n", readl(&(tb->HeartBeat))); + dev_dbg(&h->pdev->dev, " Server Name = %s\n", temp_name); + dev_dbg(&h->pdev->dev, " Heartbeat Counter = 0x%x\n\n\n", + readl(&(tb->HeartBeat))); } -#endif /* CCISS_DEBUG */ static int find_PCI_BAR_index(struct pci_dev *pdev, unsigned long pci_bar_addr) { @@ -3618,7 +3740,7 @@ static int find_PCI_BAR_index(struct pci_dev *pdev, unsigned long pci_bar_addr) offset += 8; break; default: /* reserved in PCI 2.2 */ - printk(KERN_WARNING + dev_warn(&pdev->dev, "Base address is invalid\n"); return -1; break; @@ -3630,12 +3752,182 @@ static int find_PCI_BAR_index(struct pci_dev *pdev, unsigned long pci_bar_addr) return -1; } +/* Fill in bucket_map[], given nsgs (the max number of + * scatter gather elements supported) and bucket[], + * which is an array of 8 integers. The bucket[] array + * contains 8 different DMA transfer sizes (in 16 + * byte increments) which the controller uses to fetch + * commands. This function fills in bucket_map[], which + * maps a given number of scatter gather elements to one of + * the 8 DMA transfer sizes. The point of it is to allow the + * controller to only do as much DMA as needed to fetch the + * command, with the DMA transfer size encoded in the lower + * bits of the command address. + */ +static void calc_bucket_map(int bucket[], int num_buckets, + int nsgs, int *bucket_map) +{ + int i, j, b, size; + + /* even a command with 0 SGs requires 4 blocks */ +#define MINIMUM_TRANSFER_BLOCKS 4 +#define NUM_BUCKETS 8 + /* Note, bucket_map must have nsgs+1 entries. */ + for (i = 0; i <= nsgs; i++) { + /* Compute size of a command with i SG entries */ + size = i + MINIMUM_TRANSFER_BLOCKS; + b = num_buckets; /* Assume the biggest bucket */ + /* Find the bucket that is just big enough */ + for (j = 0; j < 8; j++) { + if (bucket[j] >= size) { + b = j; + break; + } + } + /* for a command with i SG entries, use bucket b. */ + bucket_map[i] = b; + } +} + +static void __devinit cciss_wait_for_mode_change_ack(ctlr_info_t *h) +{ + int i; + + /* under certain very rare conditions, this can take awhile. + * (e.g.: hot replace a failed 144GB drive in a RAID 5 set right + * as we enter this code.) */ + for (i = 0; i < MAX_CONFIG_WAIT; i++) { + if (!(readl(h->vaddr + SA5_DOORBELL) & CFGTBL_ChangeReq)) + break; + msleep(10); + } +} + +static __devinit void cciss_enter_performant_mode(ctlr_info_t *h) +{ + /* This is a bit complicated. There are 8 registers on + * the controller which we write to to tell it 8 different + * sizes of commands which there may be. It's a way of + * reducing the DMA done to fetch each command. Encoded into + * each command's tag are 3 bits which communicate to the controller + * which of the eight sizes that command fits within. The size of + * each command depends on how many scatter gather entries there are. + * Each SG entry requires 16 bytes. The eight registers are programmed + * with the number of 16-byte blocks a command of that size requires. + * The smallest command possible requires 5 such 16 byte blocks. + * the largest command possible requires MAXSGENTRIES + 4 16-byte + * blocks. Note, this only extends to the SG entries contained + * within the command block, and does not extend to chained blocks + * of SG elements. bft[] contains the eight values we write to + * the registers. They are not evenly distributed, but have more + * sizes for small commands, and fewer sizes for larger commands. + */ + __u32 trans_offset; + int bft[8] = { 5, 6, 8, 10, 12, 20, 28, MAXSGENTRIES + 4}; + /* + * 5 = 1 s/g entry or 4k + * 6 = 2 s/g entry or 8k + * 8 = 4 s/g entry or 16k + * 10 = 6 s/g entry or 24k + */ + unsigned long register_value; + BUILD_BUG_ON(28 > MAXSGENTRIES + 4); + + h->reply_pool_wraparound = 1; /* spec: init to 1 */ + + /* Controller spec: zero out this buffer. */ + memset(h->reply_pool, 0, h->max_commands * sizeof(__u64)); + h->reply_pool_head = h->reply_pool; + + trans_offset = readl(&(h->cfgtable->TransMethodOffset)); + calc_bucket_map(bft, ARRAY_SIZE(bft), h->maxsgentries, + h->blockFetchTable); + writel(bft[0], &h->transtable->BlockFetch0); + writel(bft[1], &h->transtable->BlockFetch1); + writel(bft[2], &h->transtable->BlockFetch2); + writel(bft[3], &h->transtable->BlockFetch3); + writel(bft[4], &h->transtable->BlockFetch4); + writel(bft[5], &h->transtable->BlockFetch5); + writel(bft[6], &h->transtable->BlockFetch6); + writel(bft[7], &h->transtable->BlockFetch7); + + /* size of controller ring buffer */ + writel(h->max_commands, &h->transtable->RepQSize); + writel(1, &h->transtable->RepQCount); + writel(0, &h->transtable->RepQCtrAddrLow32); + writel(0, &h->transtable->RepQCtrAddrHigh32); + writel(h->reply_pool_dhandle, &h->transtable->RepQAddr0Low32); + writel(0, &h->transtable->RepQAddr0High32); + writel(CFGTBL_Trans_Performant, + &(h->cfgtable->HostWrite.TransportRequest)); + + writel(CFGTBL_ChangeReq, h->vaddr + SA5_DOORBELL); + cciss_wait_for_mode_change_ack(h); + register_value = readl(&(h->cfgtable->TransportActive)); + if (!(register_value & CFGTBL_Trans_Performant)) + dev_warn(&h->pdev->dev, "cciss: unable to get board into" + " performant mode\n"); +} + +static void __devinit cciss_put_controller_into_performant_mode(ctlr_info_t *h) +{ + __u32 trans_support; + + dev_dbg(&h->pdev->dev, "Trying to put board into Performant mode\n"); + /* Attempt to put controller into performant mode if supported */ + /* Does board support performant mode? */ + trans_support = readl(&(h->cfgtable->TransportSupport)); + if (!(trans_support & PERFORMANT_MODE)) + return; + + dev_dbg(&h->pdev->dev, "Placing controller into performant mode\n"); + /* Performant mode demands commands on a 32 byte boundary + * pci_alloc_consistent aligns on page boundarys already. + * Just need to check if divisible by 32 + */ + if ((sizeof(CommandList_struct) % 32) != 0) { + dev_warn(&h->pdev->dev, "%s %d %s\n", + "cciss info: command size[", + (int)sizeof(CommandList_struct), + "] not divisible by 32, no performant mode..\n"); + return; + } + + /* Performant mode ring buffer and supporting data structures */ + h->reply_pool = (__u64 *)pci_alloc_consistent( + h->pdev, h->max_commands * sizeof(__u64), + &(h->reply_pool_dhandle)); + + /* Need a block fetch table for performant mode */ + h->blockFetchTable = kmalloc(((h->maxsgentries+1) * + sizeof(__u32)), GFP_KERNEL); + + if ((h->reply_pool == NULL) || (h->blockFetchTable == NULL)) + goto clean_up; + + cciss_enter_performant_mode(h); + + /* Change the access methods to the performant access methods */ + h->access = SA5_performant_access; + h->transMethod = CFGTBL_Trans_Performant; + + return; +clean_up: + kfree(h->blockFetchTable); + if (h->reply_pool) + pci_free_consistent(h->pdev, + h->max_commands * sizeof(__u64), + h->reply_pool, + h->reply_pool_dhandle); + return; + +} /* cciss_put_controller_into_performant_mode */ + /* If MSI/MSI-X is supported by the kernel we will try to enable it on * controllers that are capable. If not, we use IO-APIC mode. */ -static void __devinit cciss_interrupt_mode(ctlr_info_t *c, - struct pci_dev *pdev, __u32 board_id) +static void __devinit cciss_interrupt_mode(ctlr_info_t *h) { #ifdef CONFIG_PCI_MSI int err; @@ -3644,268 +3936,283 @@ static void __devinit cciss_interrupt_mode(ctlr_info_t *c, }; /* Some boards advertise MSI but don't really support it */ - if ((board_id == 0x40700E11) || - (board_id == 0x40800E11) || - (board_id == 0x40820E11) || (board_id == 0x40830E11)) + if ((h->board_id == 0x40700E11) || (h->board_id == 0x40800E11) || + (h->board_id == 0x40820E11) || (h->board_id == 0x40830E11)) goto default_int_mode; - if (pci_find_capability(pdev, PCI_CAP_ID_MSIX)) { - err = pci_enable_msix(pdev, cciss_msix_entries, 4); + if (pci_find_capability(h->pdev, PCI_CAP_ID_MSIX)) { + err = pci_enable_msix(h->pdev, cciss_msix_entries, 4); if (!err) { - c->intr[0] = cciss_msix_entries[0].vector; - c->intr[1] = cciss_msix_entries[1].vector; - c->intr[2] = cciss_msix_entries[2].vector; - c->intr[3] = cciss_msix_entries[3].vector; - c->msix_vector = 1; + h->intr[0] = cciss_msix_entries[0].vector; + h->intr[1] = cciss_msix_entries[1].vector; + h->intr[2] = cciss_msix_entries[2].vector; + h->intr[3] = cciss_msix_entries[3].vector; + h->msix_vector = 1; return; } if (err > 0) { - printk(KERN_WARNING "cciss: only %d MSI-X vectors " - "available\n", err); + dev_warn(&h->pdev->dev, + "only %d MSI-X vectors available\n", err); goto default_int_mode; } else { - printk(KERN_WARNING "cciss: MSI-X init failed %d\n", - err); + dev_warn(&h->pdev->dev, + "MSI-X init failed %d\n", err); goto default_int_mode; } } - if (pci_find_capability(pdev, PCI_CAP_ID_MSI)) { - if (!pci_enable_msi(pdev)) { - c->msi_vector = 1; - } else { - printk(KERN_WARNING "cciss: MSI init failed\n"); - } + if (pci_find_capability(h->pdev, PCI_CAP_ID_MSI)) { + if (!pci_enable_msi(h->pdev)) + h->msi_vector = 1; + else + dev_warn(&h->pdev->dev, "MSI init failed\n"); } default_int_mode: #endif /* CONFIG_PCI_MSI */ /* if we get here we're going to use the default interrupt mode */ - c->intr[SIMPLE_MODE_INT] = pdev->irq; + h->intr[PERF_MODE_INT] = h->pdev->irq; return; } -static int __devinit cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev) +static int __devinit cciss_lookup_board_id(struct pci_dev *pdev, u32 *board_id) { - ushort subsystem_vendor_id, subsystem_device_id, command; - __u32 board_id, scratchpad = 0; - __u64 cfg_offset; - __u32 cfg_base_addr; - __u64 cfg_base_addr_index; - int i, prod_index, err; + int i; + u32 subsystem_vendor_id, subsystem_device_id; subsystem_vendor_id = pdev->subsystem_vendor; subsystem_device_id = pdev->subsystem_device; - board_id = (((__u32) (subsystem_device_id << 16) & 0xffff0000) | - subsystem_vendor_id); + *board_id = ((subsystem_device_id << 16) & 0xffff0000) | + subsystem_vendor_id; for (i = 0; i < ARRAY_SIZE(products); i++) { /* Stand aside for hpsa driver on request */ if (cciss_allow_hpsa && products[i].board_id == HPSA_BOUNDARY) return -ENODEV; - if (board_id == products[i].board_id) - break; - } - prod_index = i; - if (prod_index == ARRAY_SIZE(products)) { - dev_warn(&pdev->dev, - "unrecognized board ID: 0x%08lx, ignoring.\n", - (unsigned long) board_id); - return -ENODEV; + if (*board_id == products[i].board_id) + return i; } + dev_warn(&pdev->dev, "unrecognized board ID: 0x%08x, ignoring.\n", + *board_id); + return -ENODEV; +} - /* check to see if controller has been disabled */ - /* BEFORE trying to enable it */ - (void)pci_read_config_word(pdev, PCI_COMMAND, &command); - if (!(command & 0x02)) { - printk(KERN_WARNING - "cciss: controller appears to be disabled\n"); - return -ENODEV; - } +static inline bool cciss_board_disabled(ctlr_info_t *h) +{ + u16 command; - err = pci_enable_device(pdev); - if (err) { - printk(KERN_ERR "cciss: Unable to Enable PCI device\n"); - return err; - } + (void) pci_read_config_word(h->pdev, PCI_COMMAND, &command); + return ((command & PCI_COMMAND_MEMORY) == 0); +} - err = pci_request_regions(pdev, "cciss"); - if (err) { - printk(KERN_ERR "cciss: Cannot obtain PCI resources, " - "aborting\n"); - return err; - } +static int __devinit cciss_pci_find_memory_BAR(struct pci_dev *pdev, + unsigned long *memory_bar) +{ + int i; -#ifdef CCISS_DEBUG - printk("command = %x\n", command); - printk("irq = %x\n", pdev->irq); - printk("board_id = %x\n", board_id); -#endif /* CCISS_DEBUG */ + for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) + if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) { + /* addressing mode bits already removed */ + *memory_bar = pci_resource_start(pdev, i); + dev_dbg(&pdev->dev, "memory BAR = %lx\n", + *memory_bar); + return 0; + } + dev_warn(&pdev->dev, "no memory BAR found\n"); + return -ENODEV; +} -/* If the kernel supports MSI/MSI-X we will try to enable that functionality, - * else we use the IO-APIC interrupt assigned to us by system ROM. - */ - cciss_interrupt_mode(c, pdev, board_id); +static int __devinit cciss_wait_for_board_ready(ctlr_info_t *h) +{ + int i; + u32 scratchpad; - /* find the memory BAR */ - for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { - if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) - break; - } - if (i == DEVICE_COUNT_RESOURCE) { - printk(KERN_WARNING "cciss: No memory BAR found\n"); - err = -ENODEV; - goto err_out_free_res; + for (i = 0; i < CCISS_BOARD_READY_ITERATIONS; i++) { + scratchpad = readl(h->vaddr + SA5_SCRATCHPAD_OFFSET); + if (scratchpad == CCISS_FIRMWARE_READY) + return 0; + msleep(CCISS_BOARD_READY_POLL_INTERVAL_MSECS); } + dev_warn(&h->pdev->dev, "board not ready, timed out.\n"); + return -ENODEV; +} - c->paddr = pci_resource_start(pdev, i); /* addressing mode bits - * already removed - */ +static int __devinit cciss_find_cfg_addrs(struct pci_dev *pdev, + void __iomem *vaddr, u32 *cfg_base_addr, u64 *cfg_base_addr_index, + u64 *cfg_offset) +{ + *cfg_base_addr = readl(vaddr + SA5_CTCFG_OFFSET); + *cfg_offset = readl(vaddr + SA5_CTMEM_OFFSET); + *cfg_base_addr &= (u32) 0x0000ffff; + *cfg_base_addr_index = find_PCI_BAR_index(pdev, *cfg_base_addr); + if (*cfg_base_addr_index == -1) { + dev_warn(&pdev->dev, "cannot find cfg_base_addr_index, " + "*cfg_base_addr = 0x%08x\n", *cfg_base_addr); + return -ENODEV; + } + return 0; +} -#ifdef CCISS_DEBUG - printk("address 0 = %lx\n", c->paddr); -#endif /* CCISS_DEBUG */ - c->vaddr = remap_pci_mem(c->paddr, 0x250); +static int __devinit cciss_find_cfgtables(ctlr_info_t *h) +{ + u64 cfg_offset; + u32 cfg_base_addr; + u64 cfg_base_addr_index; + u32 trans_offset; + int rc; - /* Wait for the board to become ready. (PCI hotplug needs this.) - * We poll for up to 120 secs, once per 100ms. */ - for (i = 0; i < 1200; i++) { - scratchpad = readl(c->vaddr + SA5_SCRATCHPAD_OFFSET); - if (scratchpad == CCISS_FIRMWARE_READY) - break; - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(msecs_to_jiffies(100)); /* wait 100ms */ - } - if (scratchpad != CCISS_FIRMWARE_READY) { - printk(KERN_WARNING "cciss: Board not ready. Timed out.\n"); - err = -ENODEV; - goto err_out_free_res; - } + rc = cciss_find_cfg_addrs(h->pdev, h->vaddr, &cfg_base_addr, + &cfg_base_addr_index, &cfg_offset); + if (rc) + return rc; + h->cfgtable = remap_pci_mem(pci_resource_start(h->pdev, + cfg_base_addr_index) + cfg_offset, sizeof(h->cfgtable)); + if (!h->cfgtable) + return -ENOMEM; + /* Find performant mode table. */ + trans_offset = readl(&h->cfgtable->TransMethodOffset); + h->transtable = remap_pci_mem(pci_resource_start(h->pdev, + cfg_base_addr_index)+cfg_offset+trans_offset, + sizeof(*h->transtable)); + if (!h->transtable) + return -ENOMEM; + return 0; +} - /* get the address index number */ - cfg_base_addr = readl(c->vaddr + SA5_CTCFG_OFFSET); - cfg_base_addr &= (__u32) 0x0000ffff; -#ifdef CCISS_DEBUG - printk("cfg base address = %x\n", cfg_base_addr); -#endif /* CCISS_DEBUG */ - cfg_base_addr_index = find_PCI_BAR_index(pdev, cfg_base_addr); -#ifdef CCISS_DEBUG - printk("cfg base address index = %llx\n", - (unsigned long long)cfg_base_addr_index); -#endif /* CCISS_DEBUG */ - if (cfg_base_addr_index == -1) { - printk(KERN_WARNING "cciss: Cannot find cfg_base_addr_index\n"); - err = -ENODEV; - goto err_out_free_res; +static void __devinit cciss_get_max_perf_mode_cmds(struct ctlr_info *h) +{ + h->max_commands = readl(&(h->cfgtable->MaxPerformantModeCommands)); + if (h->max_commands < 16) { + dev_warn(&h->pdev->dev, "Controller reports " + "max supported commands of %d, an obvious lie. " + "Using 16. Ensure that firmware is up to date.\n", + h->max_commands); + h->max_commands = 16; } +} - cfg_offset = readl(c->vaddr + SA5_CTMEM_OFFSET); -#ifdef CCISS_DEBUG - printk("cfg offset = %llx\n", (unsigned long long)cfg_offset); -#endif /* CCISS_DEBUG */ - c->cfgtable = remap_pci_mem(pci_resource_start(pdev, - cfg_base_addr_index) + - cfg_offset, sizeof(CfgTable_struct)); - c->board_id = board_id; - -#ifdef CCISS_DEBUG - print_cfg_table(c->cfgtable); -#endif /* CCISS_DEBUG */ - - /* Some controllers support Zero Memory Raid (ZMR). - * When configured in ZMR mode the number of supported - * commands drops to 64. So instead of just setting an - * arbitrary value we make the driver a little smarter. - * We read the config table to tell us how many commands - * are supported on the controller then subtract 4 to - * leave a little room for ioctl calls. - */ - c->max_commands = readl(&(c->cfgtable->CmdsOutMax)); - c->maxsgentries = readl(&(c->cfgtable->MaxSGElements)); - +/* Interrogate the hardware for some limits: + * max commands, max SG elements without chaining, and with chaining, + * SG chain block size, etc. + */ +static void __devinit cciss_find_board_params(ctlr_info_t *h) +{ + cciss_get_max_perf_mode_cmds(h); + h->nr_cmds = h->max_commands - 4; /* Allow room for some ioctls */ + h->maxsgentries = readl(&(h->cfgtable->MaxSGElements)); /* - * Limit native command to 32 s/g elements to save dma'able memory. + * Limit in-command s/g elements to 32 save dma'able memory. * Howvever spec says if 0, use 31 */ - - c->max_cmd_sgentries = 31; - if (c->maxsgentries > 512) { - c->max_cmd_sgentries = 32; - c->chainsize = c->maxsgentries - c->max_cmd_sgentries + 1; - c->maxsgentries -= 1; /* account for chain pointer */ + h->max_cmd_sgentries = 31; + if (h->maxsgentries > 512) { + h->max_cmd_sgentries = 32; + h->chainsize = h->maxsgentries - h->max_cmd_sgentries + 1; + h->maxsgentries--; /* save one for chain pointer */ } else { - c->maxsgentries = 31; /* Default to traditional value */ - c->chainsize = 0; /* traditional */ + h->maxsgentries = 31; /* default to traditional values */ + h->chainsize = 0; } +} - c->product_name = products[prod_index].product_name; - c->access = *(products[prod_index].access); - c->nr_cmds = c->max_commands - 4; - if ((readb(&c->cfgtable->Signature[0]) != 'C') || - (readb(&c->cfgtable->Signature[1]) != 'I') || - (readb(&c->cfgtable->Signature[2]) != 'S') || - (readb(&c->cfgtable->Signature[3]) != 'S')) { - printk("Does not appear to be a valid CISS config table\n"); - err = -ENODEV; - goto err_out_free_res; +static inline bool CISS_signature_present(ctlr_info_t *h) +{ + if ((readb(&h->cfgtable->Signature[0]) != 'C') || + (readb(&h->cfgtable->Signature[1]) != 'I') || + (readb(&h->cfgtable->Signature[2]) != 'S') || + (readb(&h->cfgtable->Signature[3]) != 'S')) { + dev_warn(&h->pdev->dev, "not a valid CISS config table\n"); + return false; } + return true; +} + +/* Need to enable prefetch in the SCSI core for 6400 in x86 */ +static inline void cciss_enable_scsi_prefetch(ctlr_info_t *h) +{ #ifdef CONFIG_X86 - { - /* Need to enable prefetch in the SCSI core for 6400 in x86 */ - __u32 prefetch; - prefetch = readl(&(c->cfgtable->SCSI_Prefetch)); - prefetch |= 0x100; - writel(prefetch, &(c->cfgtable->SCSI_Prefetch)); - } + u32 prefetch; + + prefetch = readl(&(h->cfgtable->SCSI_Prefetch)); + prefetch |= 0x100; + writel(prefetch, &(h->cfgtable->SCSI_Prefetch)); #endif +} - /* Disabling DMA prefetch and refetch for the P600. - * An ASIC bug may result in accesses to invalid memory addresses. - * We've disabled prefetch for some time now. Testing with XEN - * kernels revealed a bug in the refetch if dom0 resides on a P600. - */ - if(board_id == 0x3225103C) { - __u32 dma_prefetch; - __u32 dma_refetch; - dma_prefetch = readl(c->vaddr + I2O_DMA1_CFG); - dma_prefetch |= 0x8000; - writel(dma_prefetch, c->vaddr + I2O_DMA1_CFG); - pci_read_config_dword(pdev, PCI_COMMAND_PARITY, &dma_refetch); - dma_refetch |= 0x1; - pci_write_config_dword(pdev, PCI_COMMAND_PARITY, dma_refetch); +/* Disable DMA prefetch for the P600. Otherwise an ASIC bug may result + * in a prefetch beyond physical memory. + */ +static inline void cciss_p600_dma_prefetch_quirk(ctlr_info_t *h) +{ + u32 dma_prefetch; + __u32 dma_refetch; + + if (h->board_id != 0x3225103C) + return; + dma_prefetch = readl(h->vaddr + I2O_DMA1_CFG); + dma_prefetch |= 0x8000; + writel(dma_prefetch, h->vaddr + I2O_DMA1_CFG); + pci_read_config_dword(h->pdev, PCI_COMMAND_PARITY, &dma_refetch); + dma_refetch |= 0x1; + pci_write_config_dword(h->pdev, PCI_COMMAND_PARITY, dma_refetch); +} + +static int __devinit cciss_pci_init(ctlr_info_t *h) +{ + int prod_index, err; + + prod_index = cciss_lookup_board_id(h->pdev, &h->board_id); + if (prod_index < 0) + return -ENODEV; + h->product_name = products[prod_index].product_name; + h->access = *(products[prod_index].access); + + if (cciss_board_disabled(h)) { + dev_warn(&h->pdev->dev, "controller appears to be disabled\n"); + return -ENODEV; + } + err = pci_enable_device(h->pdev); + if (err) { + dev_warn(&h->pdev->dev, "Unable to Enable PCI device\n"); + return err; } -#ifdef CCISS_DEBUG - printk("Trying to put board into Simple mode\n"); -#endif /* CCISS_DEBUG */ - c->max_commands = readl(&(c->cfgtable->CmdsOutMax)); - /* Update the field, and then ring the doorbell */ - writel(CFGTBL_Trans_Simple, &(c->cfgtable->HostWrite.TransportRequest)); - writel(CFGTBL_ChangeReq, c->vaddr + SA5_DOORBELL); + err = pci_request_regions(h->pdev, "cciss"); + if (err) { + dev_warn(&h->pdev->dev, + "Cannot obtain PCI resources, aborting\n"); + return err; + } - /* under certain very rare conditions, this can take awhile. - * (e.g.: hot replace a failed 144GB drive in a RAID 5 set right - * as we enter this code.) */ - for (i = 0; i < MAX_CONFIG_WAIT; i++) { - if (!(readl(c->vaddr + SA5_DOORBELL) & CFGTBL_ChangeReq)) - break; - /* delay and try again */ - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(msecs_to_jiffies(1)); + dev_dbg(&h->pdev->dev, "irq = %x\n", h->pdev->irq); + dev_dbg(&h->pdev->dev, "board_id = %x\n", h->board_id); + +/* If the kernel supports MSI/MSI-X we will try to enable that functionality, + * else we use the IO-APIC interrupt assigned to us by system ROM. + */ + cciss_interrupt_mode(h); + err = cciss_pci_find_memory_BAR(h->pdev, &h->paddr); + if (err) + goto err_out_free_res; + h->vaddr = remap_pci_mem(h->paddr, 0x250); + if (!h->vaddr) { + err = -ENOMEM; + goto err_out_free_res; } + err = cciss_wait_for_board_ready(h); + if (err) + goto err_out_free_res; + err = cciss_find_cfgtables(h); + if (err) + goto err_out_free_res; + print_cfg_table(h); + cciss_find_board_params(h); -#ifdef CCISS_DEBUG - printk(KERN_DEBUG "I counter got to %d %x\n", i, - readl(c->vaddr + SA5_DOORBELL)); -#endif /* CCISS_DEBUG */ -#ifdef CCISS_DEBUG - print_cfg_table(c->cfgtable); -#endif /* CCISS_DEBUG */ - - if (!(readl(&(c->cfgtable->TransportActive)) & CFGTBL_Trans_Simple)) { - printk(KERN_WARNING "cciss: unable to get board into" - " simple mode\n"); + if (!CISS_signature_present(h)) { err = -ENODEV; goto err_out_free_res; } + cciss_enable_scsi_prefetch(h); + cciss_p600_dma_prefetch_quirk(h); + cciss_put_controller_into_performant_mode(h); return 0; err_out_free_res: @@ -3913,42 +4220,47 @@ err_out_free_res: * Deliberately omit pci_disable_device(): it does something nasty to * Smart Array controllers that pci_enable_device does not undo */ - pci_release_regions(pdev); + if (h->transtable) + iounmap(h->transtable); + if (h->cfgtable) + iounmap(h->cfgtable); + if (h->vaddr) + iounmap(h->vaddr); + pci_release_regions(h->pdev); return err; } /* Function to find the first free pointer into our hba[] array * Returns -1 if no free entries are left. */ -static int alloc_cciss_hba(void) +static int alloc_cciss_hba(struct pci_dev *pdev) { int i; for (i = 0; i < MAX_CTLR; i++) { if (!hba[i]) { - ctlr_info_t *p; + ctlr_info_t *h; - p = kzalloc(sizeof(ctlr_info_t), GFP_KERNEL); - if (!p) + h = kzalloc(sizeof(ctlr_info_t), GFP_KERNEL); + if (!h) goto Enomem; - hba[i] = p; + hba[i] = h; return i; } } - printk(KERN_WARNING "cciss: This driver supports a maximum" + dev_warn(&pdev->dev, "This driver supports a maximum" " of %d controllers.\n", MAX_CTLR); return -1; Enomem: - printk(KERN_ERR "cciss: out of memory.\n"); + dev_warn(&pdev->dev, "out of memory.\n"); return -1; } -static void free_hba(int n) +static void free_hba(ctlr_info_t *h) { - ctlr_info_t *h = hba[n]; int i; - hba[n] = NULL; + hba[h->ctlr] = NULL; for (i = 0; i < h->highest_lun + 1; i++) if (h->gendisk[i] != NULL) put_disk(h->gendisk[i]); @@ -4028,7 +4340,8 @@ static __devinit int cciss_message(struct pci_dev *pdev, unsigned char opcode, u /* we leak the DMA buffer here ... no choice since the controller could still complete the command. */ if (i == 10) { - printk(KERN_ERR "cciss: controller message %02x:%02x timed out\n", + dev_err(&pdev->dev, + "controller message %02x:%02x timed out\n", opcode, type); return -ETIMEDOUT; } @@ -4036,12 +4349,12 @@ static __devinit int cciss_message(struct pci_dev *pdev, unsigned char opcode, u pci_free_consistent(pdev, cmd_sz, cmd, paddr64); if (tag & 2) { - printk(KERN_ERR "cciss: controller message %02x:%02x failed\n", + dev_err(&pdev->dev, "controller message %02x:%02x failed\n", opcode, type); return -EIO; } - printk(KERN_INFO "cciss: controller message %02x:%02x succeeded\n", + dev_info(&pdev->dev, "controller message %02x:%02x succeeded\n", opcode, type); return 0; } @@ -4062,7 +4375,7 @@ static __devinit int cciss_reset_msi(struct pci_dev *pdev) if (pos) { pci_read_config_word(pdev, msi_control_reg(pos), &control); if (control & PCI_MSI_FLAGS_ENABLE) { - printk(KERN_INFO "cciss: resetting MSI\n"); + dev_info(&pdev->dev, "resetting MSI\n"); pci_write_config_word(pdev, msi_control_reg(pos), control & ~PCI_MSI_FLAGS_ENABLE); } } @@ -4071,7 +4384,7 @@ static __devinit int cciss_reset_msi(struct pci_dev *pdev) if (pos) { pci_read_config_word(pdev, msi_control_reg(pos), &control); if (control & PCI_MSIX_FLAGS_ENABLE) { - printk(KERN_INFO "cciss: resetting MSI-X\n"); + dev_info(&pdev->dev, "resetting MSI-X\n"); pci_write_config_word(pdev, msi_control_reg(pos), control & ~PCI_MSIX_FLAGS_ENABLE); } } @@ -4079,68 +4392,144 @@ static __devinit int cciss_reset_msi(struct pci_dev *pdev) return 0; } -/* This does a hard reset of the controller using PCI power management - * states. */ -static __devinit int cciss_hard_reset_controller(struct pci_dev *pdev) +static int cciss_controller_hard_reset(struct pci_dev *pdev, + void * __iomem vaddr, bool use_doorbell) { - u16 pmcsr, saved_config_space[32]; - int i, pos; + u16 pmcsr; + int pos; - printk(KERN_INFO "cciss: using PCI PM to reset controller\n"); + if (use_doorbell) { + /* For everything after the P600, the PCI power state method + * of resetting the controller doesn't work, so we have this + * other way using the doorbell register. + */ + dev_info(&pdev->dev, "using doorbell to reset controller\n"); + writel(DOORBELL_CTLR_RESET, vaddr + SA5_DOORBELL); + msleep(1000); + } else { /* Try to do it the PCI power state way */ + + /* Quoting from the Open CISS Specification: "The Power + * Management Control/Status Register (CSR) controls the power + * state of the device. The normal operating state is D0, + * CSR=00h. The software off state is D3, CSR=03h. To reset + * the controller, place the interface device in D3 then to D0, + * this causes a secondary PCI reset which will reset the + * controller." */ + + pos = pci_find_capability(pdev, PCI_CAP_ID_PM); + if (pos == 0) { + dev_err(&pdev->dev, + "cciss_controller_hard_reset: " + "PCI PM not supported\n"); + return -ENODEV; + } + dev_info(&pdev->dev, "using PCI PM to reset controller\n"); + /* enter the D3hot power management state */ + pci_read_config_word(pdev, pos + PCI_PM_CTRL, &pmcsr); + pmcsr &= ~PCI_PM_CTRL_STATE_MASK; + pmcsr |= PCI_D3hot; + pci_write_config_word(pdev, pos + PCI_PM_CTRL, pmcsr); - /* This is very nearly the same thing as + msleep(500); - pci_save_state(pci_dev); - pci_set_power_state(pci_dev, PCI_D3hot); - pci_set_power_state(pci_dev, PCI_D0); - pci_restore_state(pci_dev); + /* enter the D0 power management state */ + pmcsr &= ~PCI_PM_CTRL_STATE_MASK; + pmcsr |= PCI_D0; + pci_write_config_word(pdev, pos + PCI_PM_CTRL, pmcsr); - but we can't use these nice canned kernel routines on - kexec, because they also check the MSI/MSI-X state in PCI - configuration space and do the wrong thing when it is - set/cleared. Also, the pci_save/restore_state functions - violate the ordering requirements for restoring the - configuration space from the CCISS document (see the - comment below). So we roll our own .... */ + msleep(500); + } + return 0; +} - for (i = 0; i < 32; i++) - pci_read_config_word(pdev, 2*i, &saved_config_space[i]); +/* This does a hard reset of the controller using PCI power management + * states or using the doorbell register. */ +static __devinit int cciss_kdump_hard_reset_controller(struct pci_dev *pdev) +{ + u16 saved_config_space[32]; + u64 cfg_offset; + u32 cfg_base_addr; + u64 cfg_base_addr_index; + void __iomem *vaddr; + unsigned long paddr; + u32 misc_fw_support, active_transport; + int rc, i; + CfgTable_struct __iomem *cfgtable; + bool use_doorbell; + u32 board_id; + + /* For controllers as old a the p600, this is very nearly + * the same thing as + * + * pci_save_state(pci_dev); + * pci_set_power_state(pci_dev, PCI_D3hot); + * pci_set_power_state(pci_dev, PCI_D0); + * pci_restore_state(pci_dev); + * + * but we can't use these nice canned kernel routines on + * kexec, because they also check the MSI/MSI-X state in PCI + * configuration space and do the wrong thing when it is + * set/cleared. Also, the pci_save/restore_state functions + * violate the ordering requirements for restoring the + * configuration space from the CCISS document (see the + * comment below). So we roll our own .... + * + * For controllers newer than the P600, the pci power state + * method of resetting doesn't work so we have another way + * using the doorbell register. + */ - pos = pci_find_capability(pdev, PCI_CAP_ID_PM); - if (pos == 0) { - printk(KERN_ERR "cciss_reset_controller: PCI PM not supported\n"); + /* Exclude 640x boards. These are two pci devices in one slot + * which share a battery backed cache module. One controls the + * cache, the other accesses the cache through the one that controls + * it. If we reset the one controlling the cache, the other will + * likely not be happy. Just forbid resetting this conjoined mess. + */ + cciss_lookup_board_id(pdev, &board_id); + if (board_id == 0x409C0E11 || board_id == 0x409D0E11) { + dev_warn(&pdev->dev, "Cannot reset Smart Array 640x " + "due to shared cache module."); return -ENODEV; } - /* Quoting from the Open CISS Specification: "The Power - * Management Control/Status Register (CSR) controls the power - * state of the device. The normal operating state is D0, - * CSR=00h. The software off state is D3, CSR=03h. To reset - * the controller, place the interface device in D3 then to - * D0, this causes a secondary PCI reset which will reset the - * controller." */ + for (i = 0; i < 32; i++) + pci_read_config_word(pdev, 2*i, &saved_config_space[i]); - /* enter the D3hot power management state */ - pci_read_config_word(pdev, pos + PCI_PM_CTRL, &pmcsr); - pmcsr &= ~PCI_PM_CTRL_STATE_MASK; - pmcsr |= PCI_D3hot; - pci_write_config_word(pdev, pos + PCI_PM_CTRL, pmcsr); + /* find the first memory BAR, so we can find the cfg table */ + rc = cciss_pci_find_memory_BAR(pdev, &paddr); + if (rc) + return rc; + vaddr = remap_pci_mem(paddr, 0x250); + if (!vaddr) + return -ENOMEM; - schedule_timeout_uninterruptible(HZ >> 1); + /* find cfgtable in order to check if reset via doorbell is supported */ + rc = cciss_find_cfg_addrs(pdev, vaddr, &cfg_base_addr, + &cfg_base_addr_index, &cfg_offset); + if (rc) + goto unmap_vaddr; + cfgtable = remap_pci_mem(pci_resource_start(pdev, + cfg_base_addr_index) + cfg_offset, sizeof(*cfgtable)); + if (!cfgtable) { + rc = -ENOMEM; + goto unmap_vaddr; + } - /* enter the D0 power management state */ - pmcsr &= ~PCI_PM_CTRL_STATE_MASK; - pmcsr |= PCI_D0; - pci_write_config_word(pdev, pos + PCI_PM_CTRL, pmcsr); + /* If reset via doorbell register is supported, use that. */ + misc_fw_support = readl(&cfgtable->misc_fw_support); + use_doorbell = misc_fw_support & MISC_FW_DOORBELL_RESET; - schedule_timeout_uninterruptible(HZ >> 1); + rc = cciss_controller_hard_reset(pdev, vaddr, use_doorbell); + if (rc) + goto unmap_cfgtable; /* Restore the PCI configuration space. The Open CISS * Specification says, "Restore the PCI Configuration * Registers, offsets 00h through 60h. It is important to * restore the command register, 16-bits at offset 04h, * last. Do not restore the configuration status register, - * 16-bits at offset 06h." Note that the offset is 2*i. */ + * 16-bits at offset 06h." Note that the offset is 2*i. + */ for (i = 0; i < 32; i++) { if (i == 2 || i == 3) continue; @@ -4149,6 +4538,63 @@ static __devinit int cciss_hard_reset_controller(struct pci_dev *pdev) wmb(); pci_write_config_word(pdev, 4, saved_config_space[2]); + /* Some devices (notably the HP Smart Array 5i Controller) + need a little pause here */ + msleep(CCISS_POST_RESET_PAUSE_MSECS); + + /* Controller should be in simple mode at this point. If it's not, + * It means we're on one of those controllers which doesn't support + * the doorbell reset method and on which the PCI power management reset + * method doesn't work (P800, for example.) + * In those cases, don't try to proceed, as it generally doesn't work. + */ + active_transport = readl(&cfgtable->TransportActive); + if (active_transport & PERFORMANT_MODE) { + dev_warn(&pdev->dev, "Unable to successfully reset controller," + " Ignoring controller.\n"); + rc = -ENODEV; + } + +unmap_cfgtable: + iounmap(cfgtable); + +unmap_vaddr: + iounmap(vaddr); + return rc; +} + +static __devinit int cciss_init_reset_devices(struct pci_dev *pdev) +{ + int rc, i; + + if (!reset_devices) + return 0; + + /* Reset the controller with a PCI power-cycle or via doorbell */ + rc = cciss_kdump_hard_reset_controller(pdev); + + /* -ENOTSUPP here means we cannot reset the controller + * but it's already (and still) up and running in + * "performant mode". Or, it might be 640x, which can't reset + * due to concerns about shared bbwc between 6402/6404 pair. + */ + if (rc == -ENOTSUPP) + return 0; /* just try to do the kdump anyhow. */ + if (rc) + return -ENODEV; + if (cciss_reset_msi(pdev)) + return -ENODEV; + + /* Now try to get the controller to respond to a no-op */ + for (i = 0; i < CCISS_POST_RESET_NOOP_RETRIES; i++) { + if (cciss_noop(pdev) == 0) + break; + else + dev_warn(&pdev->dev, "no-op failed%s\n", + (i < CCISS_POST_RESET_NOOP_RETRIES - 1 ? + "; re-trying" : "")); + msleep(CCISS_POST_RESET_NOOP_INTERVAL_MSECS); + } return 0; } @@ -4166,46 +4612,31 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, int rc; int dac, return_code; InquiryData_struct *inq_buff; + ctlr_info_t *h; - if (reset_devices) { - /* Reset the controller with a PCI power-cycle */ - if (cciss_hard_reset_controller(pdev) || cciss_reset_msi(pdev)) - return -ENODEV; - - /* Now try to get the controller to respond to a no-op. Some - devices (notably the HP Smart Array 5i Controller) need - up to 30 seconds to respond. */ - for (i=0; i<30; i++) { - if (cciss_noop(pdev) == 0) - break; - - schedule_timeout_uninterruptible(HZ); - } - if (i == 30) { - printk(KERN_ERR "cciss: controller seems dead\n"); - return -EBUSY; - } - } - - i = alloc_cciss_hba(); + rc = cciss_init_reset_devices(pdev); + if (rc) + return rc; + i = alloc_cciss_hba(pdev); if (i < 0) return -1; - hba[i]->busy_initializing = 1; - INIT_HLIST_HEAD(&hba[i]->cmpQ); - INIT_HLIST_HEAD(&hba[i]->reqQ); - mutex_init(&hba[i]->busy_shutting_down); + h = hba[i]; + h->pdev = pdev; + h->busy_initializing = 1; + INIT_HLIST_HEAD(&h->cmpQ); + INIT_HLIST_HEAD(&h->reqQ); + mutex_init(&h->busy_shutting_down); - if (cciss_pci_init(hba[i], pdev) != 0) + if (cciss_pci_init(h) != 0) goto clean_no_release_regions; - sprintf(hba[i]->devname, "cciss%d", i); - hba[i]->ctlr = i; - hba[i]->pdev = pdev; + sprintf(h->devname, "cciss%d", i); + h->ctlr = i; - init_completion(&hba[i]->scan_wait); + init_completion(&h->scan_wait); - if (cciss_create_hba_sysfs_entry(hba[i])) + if (cciss_create_hba_sysfs_entry(h)) goto clean0; /* configure PCI DMA stuff */ @@ -4214,7 +4645,7 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) dac = 0; else { - printk(KERN_ERR "cciss: no suitable DMA available\n"); + dev_err(&h->pdev->dev, "no suitable DMA available\n"); goto clean1; } @@ -4224,151 +4655,161 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, * 8 controller support. */ if (i < MAX_CTLR_ORIG) - hba[i]->major = COMPAQ_CISS_MAJOR + i; - rc = register_blkdev(hba[i]->major, hba[i]->devname); + h->major = COMPAQ_CISS_MAJOR + i; + rc = register_blkdev(h->major, h->devname); if (rc == -EBUSY || rc == -EINVAL) { - printk(KERN_ERR - "cciss: Unable to get major number %d for %s " - "on hba %d\n", hba[i]->major, hba[i]->devname, i); + dev_err(&h->pdev->dev, + "Unable to get major number %d for %s " + "on hba %d\n", h->major, h->devname, i); goto clean1; } else { if (i >= MAX_CTLR_ORIG) - hba[i]->major = rc; + h->major = rc; } /* make sure the board interrupts are off */ - hba[i]->access.set_intr_mask(hba[i], CCISS_INTR_OFF); - if (request_irq(hba[i]->intr[SIMPLE_MODE_INT], do_cciss_intr, - IRQF_DISABLED | IRQF_SHARED, hba[i]->devname, hba[i])) { - printk(KERN_ERR "cciss: Unable to get irq %d for %s\n", - hba[i]->intr[SIMPLE_MODE_INT], hba[i]->devname); - goto clean2; + h->access.set_intr_mask(h, CCISS_INTR_OFF); + if (h->msi_vector || h->msix_vector) { + if (request_irq(h->intr[PERF_MODE_INT], + do_cciss_msix_intr, + IRQF_DISABLED, h->devname, h)) { + dev_err(&h->pdev->dev, "Unable to get irq %d for %s\n", + h->intr[PERF_MODE_INT], h->devname); + goto clean2; + } + } else { + if (request_irq(h->intr[PERF_MODE_INT], do_cciss_intx, + IRQF_DISABLED, h->devname, h)) { + dev_err(&h->pdev->dev, "Unable to get irq %d for %s\n", + h->intr[PERF_MODE_INT], h->devname); + goto clean2; + } } - printk(KERN_INFO "%s: <0x%x> at PCI %s IRQ %d%s using DAC\n", - hba[i]->devname, pdev->device, pci_name(pdev), - hba[i]->intr[SIMPLE_MODE_INT], dac ? "" : " not"); + dev_info(&h->pdev->dev, "%s: <0x%x> at PCI %s IRQ %d%s using DAC\n", + h->devname, pdev->device, pci_name(pdev), + h->intr[PERF_MODE_INT], dac ? "" : " not"); - hba[i]->cmd_pool_bits = - kmalloc(DIV_ROUND_UP(hba[i]->nr_cmds, BITS_PER_LONG) + h->cmd_pool_bits = + kmalloc(DIV_ROUND_UP(h->nr_cmds, BITS_PER_LONG) * sizeof(unsigned long), GFP_KERNEL); - hba[i]->cmd_pool = (CommandList_struct *) - pci_alloc_consistent(hba[i]->pdev, - hba[i]->nr_cmds * sizeof(CommandList_struct), - &(hba[i]->cmd_pool_dhandle)); - hba[i]->errinfo_pool = (ErrorInfo_struct *) - pci_alloc_consistent(hba[i]->pdev, - hba[i]->nr_cmds * sizeof(ErrorInfo_struct), - &(hba[i]->errinfo_pool_dhandle)); - if ((hba[i]->cmd_pool_bits == NULL) - || (hba[i]->cmd_pool == NULL) - || (hba[i]->errinfo_pool == NULL)) { - printk(KERN_ERR "cciss: out of memory"); + h->cmd_pool = (CommandList_struct *) + pci_alloc_consistent(h->pdev, + h->nr_cmds * sizeof(CommandList_struct), + &(h->cmd_pool_dhandle)); + h->errinfo_pool = (ErrorInfo_struct *) + pci_alloc_consistent(h->pdev, + h->nr_cmds * sizeof(ErrorInfo_struct), + &(h->errinfo_pool_dhandle)); + if ((h->cmd_pool_bits == NULL) + || (h->cmd_pool == NULL) + || (h->errinfo_pool == NULL)) { + dev_err(&h->pdev->dev, "out of memory"); goto clean4; } /* Need space for temp scatter list */ - hba[i]->scatter_list = kmalloc(hba[i]->max_commands * + h->scatter_list = kmalloc(h->max_commands * sizeof(struct scatterlist *), GFP_KERNEL); - for (k = 0; k < hba[i]->nr_cmds; k++) { - hba[i]->scatter_list[k] = kmalloc(sizeof(struct scatterlist) * - hba[i]->maxsgentries, + for (k = 0; k < h->nr_cmds; k++) { + h->scatter_list[k] = kmalloc(sizeof(struct scatterlist) * + h->maxsgentries, GFP_KERNEL); - if (hba[i]->scatter_list[k] == NULL) { - printk(KERN_ERR "cciss%d: could not allocate " - "s/g lists\n", i); + if (h->scatter_list[k] == NULL) { + dev_err(&h->pdev->dev, + "could not allocate s/g lists\n"); goto clean4; } } - hba[i]->cmd_sg_list = cciss_allocate_sg_chain_blocks(hba[i], - hba[i]->chainsize, hba[i]->nr_cmds); - if (!hba[i]->cmd_sg_list && hba[i]->chainsize > 0) + h->cmd_sg_list = cciss_allocate_sg_chain_blocks(h, + h->chainsize, h->nr_cmds); + if (!h->cmd_sg_list && h->chainsize > 0) goto clean4; - spin_lock_init(&hba[i]->lock); + spin_lock_init(&h->lock); /* Initialize the pdev driver private data. - have it point to hba[i]. */ - pci_set_drvdata(pdev, hba[i]); + have it point to h. */ + pci_set_drvdata(pdev, h); /* command and error info recs zeroed out before they are used */ - memset(hba[i]->cmd_pool_bits, 0, - DIV_ROUND_UP(hba[i]->nr_cmds, BITS_PER_LONG) + memset(h->cmd_pool_bits, 0, + DIV_ROUND_UP(h->nr_cmds, BITS_PER_LONG) * sizeof(unsigned long)); - hba[i]->num_luns = 0; - hba[i]->highest_lun = -1; + h->num_luns = 0; + h->highest_lun = -1; for (j = 0; j < CISS_MAX_LUN; j++) { - hba[i]->drv[j] = NULL; - hba[i]->gendisk[j] = NULL; + h->drv[j] = NULL; + h->gendisk[j] = NULL; } - cciss_scsi_setup(i); + cciss_scsi_setup(h); /* Turn the interrupts on so we can service requests */ - hba[i]->access.set_intr_mask(hba[i], CCISS_INTR_ON); + h->access.set_intr_mask(h, CCISS_INTR_ON); /* Get the firmware version */ inq_buff = kzalloc(sizeof(InquiryData_struct), GFP_KERNEL); if (inq_buff == NULL) { - printk(KERN_ERR "cciss: out of memory\n"); + dev_err(&h->pdev->dev, "out of memory\n"); goto clean4; } - return_code = sendcmd_withirq(CISS_INQUIRY, i, inq_buff, + return_code = sendcmd_withirq(h, CISS_INQUIRY, inq_buff, sizeof(InquiryData_struct), 0, CTLR_LUNID, TYPE_CMD); if (return_code == IO_OK) { - hba[i]->firm_ver[0] = inq_buff->data_byte[32]; - hba[i]->firm_ver[1] = inq_buff->data_byte[33]; - hba[i]->firm_ver[2] = inq_buff->data_byte[34]; - hba[i]->firm_ver[3] = inq_buff->data_byte[35]; + h->firm_ver[0] = inq_buff->data_byte[32]; + h->firm_ver[1] = inq_buff->data_byte[33]; + h->firm_ver[2] = inq_buff->data_byte[34]; + h->firm_ver[3] = inq_buff->data_byte[35]; } else { /* send command failed */ - printk(KERN_WARNING "cciss: unable to determine firmware" + dev_warn(&h->pdev->dev, "unable to determine firmware" " version of controller\n"); } kfree(inq_buff); - cciss_procinit(i); + cciss_procinit(h); - hba[i]->cciss_max_sectors = 8192; + h->cciss_max_sectors = 8192; - rebuild_lun_table(hba[i], 1, 0); - hba[i]->busy_initializing = 0; + rebuild_lun_table(h, 1, 0); + h->busy_initializing = 0; return 1; clean4: - kfree(hba[i]->cmd_pool_bits); + kfree(h->cmd_pool_bits); /* Free up sg elements */ - for (k = 0; k < hba[i]->nr_cmds; k++) - kfree(hba[i]->scatter_list[k]); - kfree(hba[i]->scatter_list); - cciss_free_sg_chain_blocks(hba[i]->cmd_sg_list, hba[i]->nr_cmds); - if (hba[i]->cmd_pool) - pci_free_consistent(hba[i]->pdev, - hba[i]->nr_cmds * sizeof(CommandList_struct), - hba[i]->cmd_pool, hba[i]->cmd_pool_dhandle); - if (hba[i]->errinfo_pool) - pci_free_consistent(hba[i]->pdev, - hba[i]->nr_cmds * sizeof(ErrorInfo_struct), - hba[i]->errinfo_pool, - hba[i]->errinfo_pool_dhandle); - free_irq(hba[i]->intr[SIMPLE_MODE_INT], hba[i]); + for (k = 0; k < h->nr_cmds; k++) + kfree(h->scatter_list[k]); + kfree(h->scatter_list); + cciss_free_sg_chain_blocks(h->cmd_sg_list, h->nr_cmds); + if (h->cmd_pool) + pci_free_consistent(h->pdev, + h->nr_cmds * sizeof(CommandList_struct), + h->cmd_pool, h->cmd_pool_dhandle); + if (h->errinfo_pool) + pci_free_consistent(h->pdev, + h->nr_cmds * sizeof(ErrorInfo_struct), + h->errinfo_pool, + h->errinfo_pool_dhandle); + free_irq(h->intr[PERF_MODE_INT], h); clean2: - unregister_blkdev(hba[i]->major, hba[i]->devname); + unregister_blkdev(h->major, h->devname); clean1: - cciss_destroy_hba_sysfs_entry(hba[i]); + cciss_destroy_hba_sysfs_entry(h); clean0: pci_release_regions(pdev); clean_no_release_regions: - hba[i]->busy_initializing = 0; + h->busy_initializing = 0; /* * Deliberately omit pci_disable_device(): it does something nasty to * Smart Array controllers that pci_enable_device does not undo */ pci_set_drvdata(pdev, NULL); - free_hba(i); + free_hba(h); return -1; } @@ -4381,55 +4822,51 @@ static void cciss_shutdown(struct pci_dev *pdev) h = pci_get_drvdata(pdev); flush_buf = kzalloc(4, GFP_KERNEL); if (!flush_buf) { - printk(KERN_WARNING - "cciss:%d cache not flushed, out of memory.\n", - h->ctlr); + dev_warn(&h->pdev->dev, "cache not flushed, out of memory.\n"); return; } /* write all data in the battery backed cache to disk */ memset(flush_buf, 0, 4); - return_code = sendcmd_withirq(CCISS_CACHE_FLUSH, h->ctlr, flush_buf, + return_code = sendcmd_withirq(h, CCISS_CACHE_FLUSH, flush_buf, 4, 0, CTLR_LUNID, TYPE_CMD); kfree(flush_buf); if (return_code != IO_OK) - printk(KERN_WARNING "cciss%d: Error flushing cache\n", - h->ctlr); + dev_warn(&h->pdev->dev, "Error flushing cache\n"); h->access.set_intr_mask(h, CCISS_INTR_OFF); - free_irq(h->intr[2], h); + free_irq(h->intr[PERF_MODE_INT], h); } static void __devexit cciss_remove_one(struct pci_dev *pdev) { - ctlr_info_t *tmp_ptr; + ctlr_info_t *h; int i, j; if (pci_get_drvdata(pdev) == NULL) { - printk(KERN_ERR "cciss: Unable to remove device \n"); + dev_err(&pdev->dev, "Unable to remove device\n"); return; } - tmp_ptr = pci_get_drvdata(pdev); - i = tmp_ptr->ctlr; + h = pci_get_drvdata(pdev); + i = h->ctlr; if (hba[i] == NULL) { - printk(KERN_ERR "cciss: device appears to " - "already be removed \n"); + dev_err(&pdev->dev, "device appears to already be removed\n"); return; } - mutex_lock(&hba[i]->busy_shutting_down); + mutex_lock(&h->busy_shutting_down); - remove_from_scan_list(hba[i]); - remove_proc_entry(hba[i]->devname, proc_cciss); - unregister_blkdev(hba[i]->major, hba[i]->devname); + remove_from_scan_list(h); + remove_proc_entry(h->devname, proc_cciss); + unregister_blkdev(h->major, h->devname); /* remove it from the disk list */ for (j = 0; j < CISS_MAX_LUN; j++) { - struct gendisk *disk = hba[i]->gendisk[j]; + struct gendisk *disk = h->gendisk[j]; if (disk) { struct request_queue *q = disk->queue; if (disk->flags & GENHD_FL_UP) { - cciss_destroy_ld_sysfs_entry(hba[i], j, 1); + cciss_destroy_ld_sysfs_entry(h, j, 1); del_gendisk(disk); } if (q) @@ -4438,39 +4875,41 @@ static void __devexit cciss_remove_one(struct pci_dev *pdev) } #ifdef CONFIG_CISS_SCSI_TAPE - cciss_unregister_scsi(i); /* unhook from SCSI subsystem */ + cciss_unregister_scsi(h); /* unhook from SCSI subsystem */ #endif cciss_shutdown(pdev); #ifdef CONFIG_PCI_MSI - if (hba[i]->msix_vector) - pci_disable_msix(hba[i]->pdev); - else if (hba[i]->msi_vector) - pci_disable_msi(hba[i]->pdev); + if (h->msix_vector) + pci_disable_msix(h->pdev); + else if (h->msi_vector) + pci_disable_msi(h->pdev); #endif /* CONFIG_PCI_MSI */ - iounmap(hba[i]->vaddr); + iounmap(h->transtable); + iounmap(h->cfgtable); + iounmap(h->vaddr); - pci_free_consistent(hba[i]->pdev, hba[i]->nr_cmds * sizeof(CommandList_struct), - hba[i]->cmd_pool, hba[i]->cmd_pool_dhandle); - pci_free_consistent(hba[i]->pdev, hba[i]->nr_cmds * sizeof(ErrorInfo_struct), - hba[i]->errinfo_pool, hba[i]->errinfo_pool_dhandle); - kfree(hba[i]->cmd_pool_bits); + pci_free_consistent(h->pdev, h->nr_cmds * sizeof(CommandList_struct), + h->cmd_pool, h->cmd_pool_dhandle); + pci_free_consistent(h->pdev, h->nr_cmds * sizeof(ErrorInfo_struct), + h->errinfo_pool, h->errinfo_pool_dhandle); + kfree(h->cmd_pool_bits); /* Free up sg elements */ - for (j = 0; j < hba[i]->nr_cmds; j++) - kfree(hba[i]->scatter_list[j]); - kfree(hba[i]->scatter_list); - cciss_free_sg_chain_blocks(hba[i]->cmd_sg_list, hba[i]->nr_cmds); + for (j = 0; j < h->nr_cmds; j++) + kfree(h->scatter_list[j]); + kfree(h->scatter_list); + cciss_free_sg_chain_blocks(h->cmd_sg_list, h->nr_cmds); /* * Deliberately omit pci_disable_device(): it does something nasty to * Smart Array controllers that pci_enable_device does not undo */ pci_release_regions(pdev); pci_set_drvdata(pdev, NULL); - cciss_destroy_hba_sysfs_entry(hba[i]); - mutex_unlock(&hba[i]->busy_shutting_down); - free_hba(i); + cciss_destroy_hba_sysfs_entry(h); + mutex_unlock(&h->busy_shutting_down); + free_hba(h); } static struct pci_driver cciss_pci_driver = { @@ -4495,7 +4934,6 @@ static int __init cciss_init(void) * array of them, the size must be a multiple of 8 bytes. */ BUILD_BUG_ON(sizeof(CommandList_struct) % COMMANDLIST_ALIGNMENT); - printk(KERN_INFO DRIVER_NAME "\n"); err = bus_register(&cciss_bus_type); @@ -4532,8 +4970,8 @@ static void __exit cciss_cleanup(void) /* double check that all controller entrys have been removed */ for (i = 0; i < MAX_CTLR; i++) { if (hba[i] != NULL) { - printk(KERN_WARNING "cciss: had to remove" - " controller %d\n", i); + dev_warn(&hba[i]->pdev->dev, + "had to remove controller\n"); cciss_remove_one(hba[i]->pdev); } } @@ -4542,46 +4980,5 @@ static void __exit cciss_cleanup(void) bus_unregister(&cciss_bus_type); } -static void fail_all_cmds(unsigned long ctlr) -{ - /* If we get here, the board is apparently dead. */ - ctlr_info_t *h = hba[ctlr]; - CommandList_struct *c; - unsigned long flags; - - printk(KERN_WARNING "cciss%d: controller not responding.\n", h->ctlr); - h->alive = 0; /* the controller apparently died... */ - - spin_lock_irqsave(CCISS_LOCK(ctlr), flags); - - pci_disable_device(h->pdev); /* Make sure it is really dead. */ - - /* move everything off the request queue onto the completed queue */ - while (!hlist_empty(&h->reqQ)) { - c = hlist_entry(h->reqQ.first, CommandList_struct, list); - removeQ(c); - h->Qdepth--; - addQ(&h->cmpQ, c); - } - - /* Now, fail everything on the completed queue with a HW error */ - while (!hlist_empty(&h->cmpQ)) { - c = hlist_entry(h->cmpQ.first, CommandList_struct, list); - removeQ(c); - if (c->cmd_type != CMD_MSG_STALE) - c->err_info->CommandStatus = CMD_HARDWARE_ERR; - if (c->cmd_type == CMD_RWREQ) { - complete_command(h, c, 0); - } else if (c->cmd_type == CMD_IOCTL_PEND) - complete(c->waiting); -#ifdef CONFIG_CISS_SCSI_TAPE - else if (c->cmd_type == CMD_SCSI) - complete_scsi_command(c, 0, 0); -#endif - } - spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); - return; -} - module_init(cciss_init); module_exit(cciss_cleanup); diff --git a/drivers/block/cciss.h b/drivers/block/cciss.h index c5d4111..ae340ff 100644 --- a/drivers/block/cciss.h +++ b/drivers/block/cciss.h @@ -25,7 +25,7 @@ struct access_method { void (*submit_command)(ctlr_info_t *h, CommandList_struct *c); void (*set_intr_mask)(ctlr_info_t *h, unsigned long val); unsigned long (*fifo_full)(ctlr_info_t *h); - unsigned long (*intr_pending)(ctlr_info_t *h); + bool (*intr_pending)(ctlr_info_t *h); unsigned long (*command_completed)(ctlr_info_t *h); }; typedef struct _drive_info_struct @@ -85,8 +85,8 @@ struct ctlr_info int max_cmd_sgentries; SGDescriptor_struct **cmd_sg_list; -# define DOORBELL_INT 0 -# define PERF_MODE_INT 1 +# define PERF_MODE_INT 0 +# define DOORBELL_INT 1 # define SIMPLE_MODE_INT 2 # define MEMQ_MODE_INT 3 unsigned int intr[4]; @@ -137,10 +137,27 @@ struct ctlr_info struct list_head scan_list; struct completion scan_wait; struct device dev; + /* + * Performant mode tables. + */ + u32 trans_support; + u32 trans_offset; + struct TransTable_struct *transtable; + unsigned long transMethod; + + /* + * Performant mode completion buffer + */ + u64 *reply_pool; + dma_addr_t reply_pool_dhandle; + u64 *reply_pool_head; + size_t reply_pool_size; + unsigned char reply_pool_wraparound; + u32 *blockFetchTable; }; -/* Defining the diffent access_menthods */ -/* +/* Defining the diffent access_methods + * * Memory mapped FIFO interface (SMART 53xx cards) */ #define SA5_DOORBELL 0x20 @@ -159,19 +176,47 @@ struct ctlr_info #define SA5B_INTR_PENDING 0x04 #define FIFO_EMPTY 0xffffffff #define CCISS_FIRMWARE_READY 0xffff0000 /* value in scratchpad register */ +/* Perf. mode flags */ +#define SA5_PERF_INTR_PENDING 0x04 +#define SA5_PERF_INTR_OFF 0x05 +#define SA5_OUTDB_STATUS_PERF_BIT 0x01 +#define SA5_OUTDB_CLEAR_PERF_BIT 0x01 +#define SA5_OUTDB_CLEAR 0xA0 +#define SA5_OUTDB_CLEAR_PERF_BIT 0x01 +#define SA5_OUTDB_STATUS 0x9C + #define CISS_ERROR_BIT 0x02 #define CCISS_INTR_ON 1 #define CCISS_INTR_OFF 0 + + +/* CCISS_BOARD_READY_WAIT_SECS is how long to wait for a board + * to become ready, in seconds, before giving up on it. + * CCISS_BOARD_READY_POLL_INTERVAL_MSECS * is how long to wait + * between polling the board to see if it is ready, in + * milliseconds. CCISS_BOARD_READY_ITERATIONS is derived + * the above. + */ +#define CCISS_BOARD_READY_WAIT_SECS (120) +#define CCISS_BOARD_READY_POLL_INTERVAL_MSECS (100) +#define CCISS_BOARD_READY_ITERATIONS \ + ((CCISS_BOARD_READY_WAIT_SECS * 1000) / \ + CCISS_BOARD_READY_POLL_INTERVAL_MSECS) +#define CCISS_POST_RESET_PAUSE_MSECS (3000) +#define CCISS_POST_RESET_NOOP_INTERVAL_MSECS (1000) +#define CCISS_POST_RESET_NOOP_RETRIES (12) + /* Send the command to the hardware */ static void SA5_submit_command( ctlr_info_t *h, CommandList_struct *c) { #ifdef CCISS_DEBUG - printk("Sending %x - down to controller\n", c->busaddr ); -#endif /* CCISS_DEBUG */ + printk(KERN_WARNING "cciss%d: Sending %08x - down to controller\n", + h->ctlr, c->busaddr); +#endif /* CCISS_DEBUG */ writel(c->busaddr, h->vaddr + SA5_REQUEST_PORT_OFFSET); h->commands_outstanding++; if ( h->commands_outstanding > h->max_outstanding) @@ -214,6 +259,20 @@ static void SA5B_intr_mask(ctlr_info_t *h, unsigned long val) h->vaddr + SA5_REPLY_INTR_MASK_OFFSET); } } + +/* Performant mode intr_mask */ +static void SA5_performant_intr_mask(ctlr_info_t *h, unsigned long val) +{ + if (val) { /* turn on interrupts */ + h->interrupts_enabled = 1; + writel(0, h->vaddr + SA5_REPLY_INTR_MASK_OFFSET); + } else { + h->interrupts_enabled = 0; + writel(SA5_PERF_INTR_OFF, + h->vaddr + SA5_REPLY_INTR_MASK_OFFSET); + } +} + /* * Returns true if fifo is full. * @@ -250,10 +309,44 @@ static unsigned long SA5_completed(ctlr_info_t *h) return ( register_value); } + +/* Performant mode command completed */ +static unsigned long SA5_performant_completed(ctlr_info_t *h) +{ + unsigned long register_value = FIFO_EMPTY; + + /* flush the controller write of the reply queue by reading + * outbound doorbell status register. + */ + register_value = readl(h->vaddr + SA5_OUTDB_STATUS); + /* msi auto clears the interrupt pending bit. */ + if (!(h->msi_vector || h->msix_vector)) { + writel(SA5_OUTDB_CLEAR_PERF_BIT, h->vaddr + SA5_OUTDB_CLEAR); + /* Do a read in order to flush the write to the controller + * (as per spec.) + */ + register_value = readl(h->vaddr + SA5_OUTDB_STATUS); + } + + if ((*(h->reply_pool_head) & 1) == (h->reply_pool_wraparound)) { + register_value = *(h->reply_pool_head); + (h->reply_pool_head)++; + h->commands_outstanding--; + } else { + register_value = FIFO_EMPTY; + } + /* Check for wraparound */ + if (h->reply_pool_head == (h->reply_pool + h->max_commands)) { + h->reply_pool_head = h->reply_pool; + h->reply_pool_wraparound ^= 1; + } + + return register_value; +} /* * Returns true if an interrupt is pending.. */ -static unsigned long SA5_intr_pending(ctlr_info_t *h) +static bool SA5_intr_pending(ctlr_info_t *h) { unsigned long register_value = readl(h->vaddr + SA5_INTR_STATUS); @@ -268,7 +361,7 @@ static unsigned long SA5_intr_pending(ctlr_info_t *h) /* * Returns true if an interrupt is pending.. */ -static unsigned long SA5B_intr_pending(ctlr_info_t *h) +static bool SA5B_intr_pending(ctlr_info_t *h) { unsigned long register_value = readl(h->vaddr + SA5_INTR_STATUS); @@ -280,6 +373,20 @@ static unsigned long SA5B_intr_pending(ctlr_info_t *h) return 0 ; } +static bool SA5_performant_intr_pending(ctlr_info_t *h) +{ + unsigned long register_value = readl(h->vaddr + SA5_INTR_STATUS); + + if (!register_value) + return false; + + if (h->msi_vector || h->msix_vector) + return true; + + /* Read outbound doorbell to flush */ + register_value = readl(h->vaddr + SA5_OUTDB_STATUS); + return register_value & SA5_OUTDB_STATUS_PERF_BIT; +} static struct access_method SA5_access = { SA5_submit_command, @@ -297,6 +404,14 @@ static struct access_method SA5B_access = { SA5_completed, }; +static struct access_method SA5_performant_access = { + SA5_submit_command, + SA5_performant_intr_mask, + SA5_fifo_full, + SA5_performant_intr_pending, + SA5_performant_completed, +}; + struct board_type { __u32 board_id; char *product_name; @@ -304,6 +419,4 @@ struct board_type { int nr_cmds; /* Max cmds this kind of ctlr can handle. */ }; -#define CCISS_LOCK(i) (&hba[i]->lock) - #endif /* CCISS_H */ diff --git a/drivers/block/cciss_cmd.h b/drivers/block/cciss_cmd.h index e624ff9..eb060f1 100644 --- a/drivers/block/cciss_cmd.h +++ b/drivers/block/cciss_cmd.h @@ -52,8 +52,10 @@ /* Configuration Table */ #define CFGTBL_ChangeReq 0x00000001l #define CFGTBL_AccCmds 0x00000001l +#define DOORBELL_CTLR_RESET 0x00000004l #define CFGTBL_Trans_Simple 0x00000002l +#define CFGTBL_Trans_Performant 0x00000004l #define CFGTBL_BusType_Ultra2 0x00000001l #define CFGTBL_BusType_Ultra3 0x00000002l @@ -173,12 +175,15 @@ typedef struct _SGDescriptor_struct { * PAD_64 can be adjusted independently as needed for 32-bit * and 64-bits systems. */ -#define COMMANDLIST_ALIGNMENT (8) +#define COMMANDLIST_ALIGNMENT (32) #define IS_64_BIT ((sizeof(long) - 4)/4) #define IS_32_BIT (!IS_64_BIT) #define PAD_32 (0) #define PAD_64 (4) #define PADSIZE (IS_32_BIT * PAD_32 + IS_64_BIT * PAD_64) +#define DIRECT_LOOKUP_BIT 0x10 +#define DIRECT_LOOKUP_SHIFT 5 + typedef struct _CommandList_struct { CommandListHeader_struct Header; RequestBlock_struct Request; @@ -195,7 +200,7 @@ typedef struct _CommandList_struct { struct completion *waiting; int retry_count; void * scsi_cmd; - char pad[PADSIZE]; + char pad[PADSIZE]; } CommandList_struct; /* Configuration Table Structure */ @@ -209,12 +214,15 @@ typedef struct _HostWrite_struct { typedef struct _CfgTable_struct { BYTE Signature[4]; DWORD SpecValence; +#define SIMPLE_MODE 0x02 +#define PERFORMANT_MODE 0x04 +#define MEMQ_MODE 0x08 DWORD TransportSupport; DWORD TransportActive; HostWrite_struct HostWrite; DWORD CmdsOutMax; DWORD BusTypes; - DWORD Reserved; + DWORD TransMethodOffset; BYTE ServerName[16]; DWORD HeartBeat; DWORD SCSI_Prefetch; @@ -222,6 +230,28 @@ typedef struct _CfgTable_struct { DWORD MaxLogicalUnits; DWORD MaxPhysicalDrives; DWORD MaxPhysicalDrivesPerLogicalUnit; + DWORD MaxPerformantModeCommands; + u8 reserved[0x78 - 0x58]; + u32 misc_fw_support; /* offset 0x78 */ +#define MISC_FW_DOORBELL_RESET (0x02) } CfgTable_struct; + +struct TransTable_struct { + u32 BlockFetch0; + u32 BlockFetch1; + u32 BlockFetch2; + u32 BlockFetch3; + u32 BlockFetch4; + u32 BlockFetch5; + u32 BlockFetch6; + u32 BlockFetch7; + u32 RepQSize; + u32 RepQCount; + u32 RepQCtrAddrLow32; + u32 RepQCtrAddrHigh32; + u32 RepQAddr0Low32; + u32 RepQAddr0High32; +}; + #pragma pack() #endif /* CCISS_CMD_H */ diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c index 72dae92..575495f 100644 --- a/drivers/block/cciss_scsi.c +++ b/drivers/block/cciss_scsi.c @@ -44,13 +44,15 @@ #define CCISS_ABORT_MSG 0x00 #define CCISS_RESET_MSG 0x01 -static int fill_cmd(CommandList_struct *c, __u8 cmd, int ctlr, void *buff, +static int fill_cmd(ctlr_info_t *h, CommandList_struct *c, __u8 cmd, void *buff, size_t size, __u8 page_code, unsigned char *scsi3addr, int cmd_type); -static CommandList_struct *cmd_alloc(ctlr_info_t *h, int get_from_pool); -static void cmd_free(ctlr_info_t *h, CommandList_struct *c, int got_from_pool); +static CommandList_struct *cmd_alloc(ctlr_info_t *h); +static CommandList_struct *cmd_special_alloc(ctlr_info_t *h); +static void cmd_free(ctlr_info_t *h, CommandList_struct *c); +static void cmd_special_free(ctlr_info_t *h, CommandList_struct *c); static int cciss_scsi_proc_info( struct Scsi_Host *sh, @@ -93,8 +95,8 @@ static struct scsi_host_template cciss_driver_template = { #pragma pack(1) -#define SCSI_PAD_32 0 -#define SCSI_PAD_64 0 +#define SCSI_PAD_32 8 +#define SCSI_PAD_64 8 struct cciss_scsi_cmd_stack_elem_t { CommandList_struct cmd; @@ -127,16 +129,16 @@ struct cciss_scsi_adapter_data_t { spinlock_t lock; // to protect ccissscsi[ctlr]; }; -#define CPQ_TAPE_LOCK(ctlr, flags) spin_lock_irqsave( \ - &hba[ctlr]->scsi_ctlr->lock, flags); -#define CPQ_TAPE_UNLOCK(ctlr, flags) spin_unlock_irqrestore( \ - &hba[ctlr]->scsi_ctlr->lock, flags); +#define CPQ_TAPE_LOCK(h, flags) spin_lock_irqsave( \ + &h->scsi_ctlr->lock, flags); +#define CPQ_TAPE_UNLOCK(h, flags) spin_unlock_irqrestore( \ + &h->scsi_ctlr->lock, flags); static CommandList_struct * scsi_cmd_alloc(ctlr_info_t *h) { /* assume only one process in here at a time, locking done by caller. */ - /* use CCISS_LOCK(ctlr) */ + /* use h->lock */ /* might be better to rewrite how we allocate scsi commands in a way that */ /* needs no locking at all. */ @@ -177,10 +179,10 @@ scsi_cmd_alloc(ctlr_info_t *h) } static void -scsi_cmd_free(ctlr_info_t *h, CommandList_struct *cmd) +scsi_cmd_free(ctlr_info_t *h, CommandList_struct *c) { /* assume only one process in here at a time, locking done by caller. */ - /* use CCISS_LOCK(ctlr) */ + /* use h->lock */ /* drop the free memory chunk on top of the stack. */ struct cciss_scsi_adapter_data_t *sa; @@ -190,22 +192,23 @@ scsi_cmd_free(ctlr_info_t *h, CommandList_struct *cmd) stk = &sa->cmd_stack; stk->top++; if (stk->top >= CMD_STACK_SIZE) { - printk("cciss: scsi_cmd_free called too many times.\n"); + dev_err(&h->pdev->dev, + "scsi_cmd_free called too many times.\n"); BUG(); } - stk->elem[stk->top] = (struct cciss_scsi_cmd_stack_elem_t *) cmd; + stk->elem[stk->top] = (struct cciss_scsi_cmd_stack_elem_t *) c; } static int -scsi_cmd_stack_setup(int ctlr, struct cciss_scsi_adapter_data_t *sa) +scsi_cmd_stack_setup(ctlr_info_t *h, struct cciss_scsi_adapter_data_t *sa) { int i; struct cciss_scsi_cmd_stack_t *stk; size_t size; - sa->cmd_sg_list = cciss_allocate_sg_chain_blocks(hba[ctlr], - hba[ctlr]->chainsize, CMD_STACK_SIZE); - if (!sa->cmd_sg_list && hba[ctlr]->chainsize > 0) + sa->cmd_sg_list = cciss_allocate_sg_chain_blocks(h, + h->chainsize, CMD_STACK_SIZE); + if (!sa->cmd_sg_list && h->chainsize > 0) return -ENOMEM; stk = &sa->cmd_stack; @@ -215,7 +218,7 @@ scsi_cmd_stack_setup(int ctlr, struct cciss_scsi_adapter_data_t *sa) BUILD_BUG_ON((sizeof(*stk->pool) % COMMANDLIST_ALIGNMENT) != 0); /* pci_alloc_consistent guarantees 32-bit DMA address will be used */ stk->pool = (struct cciss_scsi_cmd_stack_elem_t *) - pci_alloc_consistent(hba[ctlr]->pdev, size, &stk->cmd_pool_handle); + pci_alloc_consistent(h->pdev, size, &stk->cmd_pool_handle); if (stk->pool == NULL) { cciss_free_sg_chain_blocks(sa->cmd_sg_list, CMD_STACK_SIZE); @@ -234,23 +237,22 @@ scsi_cmd_stack_setup(int ctlr, struct cciss_scsi_adapter_data_t *sa) } static void -scsi_cmd_stack_free(int ctlr) +scsi_cmd_stack_free(ctlr_info_t *h) { struct cciss_scsi_adapter_data_t *sa; struct cciss_scsi_cmd_stack_t *stk; size_t size; - sa = hba[ctlr]->scsi_ctlr; + sa = h->scsi_ctlr; stk = &sa->cmd_stack; if (stk->top != CMD_STACK_SIZE-1) { - printk( "cciss: %d scsi commands are still outstanding.\n", + dev_warn(&h->pdev->dev, + "bug: %d scsi commands are still outstanding.\n", CMD_STACK_SIZE - stk->top); - // BUG(); - printk("WE HAVE A BUG HERE!!! stk=0x%p\n", stk); } size = sizeof(struct cciss_scsi_cmd_stack_elem_t) * CMD_STACK_SIZE; - pci_free_consistent(hba[ctlr]->pdev, size, stk->pool, stk->cmd_pool_handle); + pci_free_consistent(h->pdev, size, stk->pool, stk->cmd_pool_handle); stk->pool = NULL; cciss_free_sg_chain_blocks(sa->cmd_sg_list, CMD_STACK_SIZE); } @@ -342,20 +344,20 @@ print_cmd(CommandList_struct *cp) #endif static int -find_bus_target_lun(int ctlr, int *bus, int *target, int *lun) +find_bus_target_lun(ctlr_info_t *h, int *bus, int *target, int *lun) { /* finds an unused bus, target, lun for a new device */ - /* assumes hba[ctlr]->scsi_ctlr->lock is held */ + /* assumes h->scsi_ctlr->lock is held */ int i, found=0; unsigned char target_taken[CCISS_MAX_SCSI_DEVS_PER_HBA]; memset(&target_taken[0], 0, CCISS_MAX_SCSI_DEVS_PER_HBA); target_taken[SELF_SCSI_ID] = 1; - for (i=0;i<ccissscsi[ctlr].ndevices;i++) - target_taken[ccissscsi[ctlr].dev[i].target] = 1; + for (i = 0; i < ccissscsi[h->ctlr].ndevices; i++) + target_taken[ccissscsi[h->ctlr].dev[i].target] = 1; - for (i=0;i<CCISS_MAX_SCSI_DEVS_PER_HBA;i++) { + for (i = 0; i < CCISS_MAX_SCSI_DEVS_PER_HBA; i++) { if (!target_taken[i]) { *bus = 0; *target=i; *lun = 0; found=1; break; @@ -369,19 +371,19 @@ struct scsi2map { }; static int -cciss_scsi_add_entry(int ctlr, int hostno, +cciss_scsi_add_entry(ctlr_info_t *h, int hostno, struct cciss_scsi_dev_t *device, struct scsi2map *added, int *nadded) { - /* assumes hba[ctlr]->scsi_ctlr->lock is held */ - int n = ccissscsi[ctlr].ndevices; + /* assumes h->scsi_ctlr->lock is held */ + int n = ccissscsi[h->ctlr].ndevices; struct cciss_scsi_dev_t *sd; int i, bus, target, lun; unsigned char addr1[8], addr2[8]; if (n >= CCISS_MAX_SCSI_DEVS_PER_HBA) { - printk("cciss%d: Too many devices, " - "some will be inaccessible.\n", ctlr); + dev_warn(&h->pdev->dev, "Too many devices, " + "some will be inaccessible.\n"); return -1; } @@ -397,7 +399,7 @@ cciss_scsi_add_entry(int ctlr, int hostno, memcpy(addr1, device->scsi3addr, 8); addr1[4] = 0; for (i = 0; i < n; i++) { - sd = &ccissscsi[ctlr].dev[i]; + sd = &ccissscsi[h->ctlr].dev[i]; memcpy(addr2, sd->scsi3addr, 8); addr2[4] = 0; /* differ only in byte 4? */ @@ -410,9 +412,9 @@ cciss_scsi_add_entry(int ctlr, int hostno, } } - sd = &ccissscsi[ctlr].dev[n]; + sd = &ccissscsi[h->ctlr].dev[n]; if (lun == 0) { - if (find_bus_target_lun(ctlr, + if (find_bus_target_lun(h, &sd->bus, &sd->target, &sd->lun) != 0) return -1; } else { @@ -431,37 +433,37 @@ cciss_scsi_add_entry(int ctlr, int hostno, memcpy(sd->device_id, device->device_id, sizeof(sd->device_id)); sd->devtype = device->devtype; - ccissscsi[ctlr].ndevices++; + ccissscsi[h->ctlr].ndevices++; /* initially, (before registering with scsi layer) we don't know our hostno and we don't want to print anything first time anyway (the scsi layer's inquiries will show that info) */ if (hostno != -1) - printk("cciss%d: %s device c%db%dt%dl%d added.\n", - ctlr, scsi_device_type(sd->devtype), hostno, + dev_info(&h->pdev->dev, "%s device c%db%dt%dl%d added.\n", + scsi_device_type(sd->devtype), hostno, sd->bus, sd->target, sd->lun); return 0; } static void -cciss_scsi_remove_entry(int ctlr, int hostno, int entry, +cciss_scsi_remove_entry(ctlr_info_t *h, int hostno, int entry, struct scsi2map *removed, int *nremoved) { - /* assumes hba[ctlr]->scsi_ctlr->lock is held */ + /* assumes h->ctlr]->scsi_ctlr->lock is held */ int i; struct cciss_scsi_dev_t sd; if (entry < 0 || entry >= CCISS_MAX_SCSI_DEVS_PER_HBA) return; - sd = ccissscsi[ctlr].dev[entry]; + sd = ccissscsi[h->ctlr].dev[entry]; removed[*nremoved].bus = sd.bus; removed[*nremoved].target = sd.target; removed[*nremoved].lun = sd.lun; (*nremoved)++; - for (i=entry;i<ccissscsi[ctlr].ndevices-1;i++) - ccissscsi[ctlr].dev[i] = ccissscsi[ctlr].dev[i+1]; - ccissscsi[ctlr].ndevices--; - printk("cciss%d: %s device c%db%dt%dl%d removed.\n", - ctlr, scsi_device_type(sd.devtype), hostno, + for (i = entry; i < ccissscsi[h->ctlr].ndevices-1; i++) + ccissscsi[h->ctlr].dev[i] = ccissscsi[h->ctlr].dev[i+1]; + ccissscsi[h->ctlr].ndevices--; + dev_info(&h->pdev->dev, "%s device c%db%dt%dl%d removed.\n", + scsi_device_type(sd.devtype), hostno, sd.bus, sd.target, sd.lun); } @@ -476,24 +478,24 @@ cciss_scsi_remove_entry(int ctlr, int hostno, int entry, (a)[1] == (b)[1] && \ (a)[0] == (b)[0]) -static void fixup_botched_add(int ctlr, char *scsi3addr) +static void fixup_botched_add(ctlr_info_t *h, char *scsi3addr) { /* called when scsi_add_device fails in order to re-adjust */ /* ccissscsi[] to match the mid layer's view. */ unsigned long flags; int i, j; - CPQ_TAPE_LOCK(ctlr, flags); - for (i = 0; i < ccissscsi[ctlr].ndevices; i++) { + CPQ_TAPE_LOCK(h, flags); + for (i = 0; i < ccissscsi[h->ctlr].ndevices; i++) { if (memcmp(scsi3addr, - ccissscsi[ctlr].dev[i].scsi3addr, 8) == 0) { - for (j = i; j < ccissscsi[ctlr].ndevices-1; j++) - ccissscsi[ctlr].dev[j] = - ccissscsi[ctlr].dev[j+1]; - ccissscsi[ctlr].ndevices--; + ccissscsi[h->ctlr].dev[i].scsi3addr, 8) == 0) { + for (j = i; j < ccissscsi[h->ctlr].ndevices-1; j++) + ccissscsi[h->ctlr].dev[j] = + ccissscsi[h->ctlr].dev[j+1]; + ccissscsi[h->ctlr].ndevices--; break; } } - CPQ_TAPE_UNLOCK(ctlr, flags); + CPQ_TAPE_UNLOCK(h, flags); } static int device_is_the_same(struct cciss_scsi_dev_t *dev1, @@ -513,7 +515,7 @@ static int device_is_the_same(struct cciss_scsi_dev_t *dev1, } static int -adjust_cciss_scsi_table(int ctlr, int hostno, +adjust_cciss_scsi_table(ctlr_info_t *h, int hostno, struct cciss_scsi_dev_t sd[], int nsds) { /* sd contains scsi3 addresses and devtypes, but @@ -534,15 +536,15 @@ adjust_cciss_scsi_table(int ctlr, int hostno, GFP_KERNEL); if (!added || !removed) { - printk(KERN_WARNING "cciss%d: Out of memory in " - "adjust_cciss_scsi_table\n", ctlr); + dev_warn(&h->pdev->dev, + "Out of memory in adjust_cciss_scsi_table\n"); goto free_and_out; } - CPQ_TAPE_LOCK(ctlr, flags); + CPQ_TAPE_LOCK(h, flags); if (hostno != -1) /* if it's not the first time... */ - sh = hba[ctlr]->scsi_ctlr->scsi_host; + sh = h->scsi_ctlr->scsi_host; /* find any devices in ccissscsi[] that are not in sd[] and remove them from ccissscsi[] */ @@ -550,8 +552,8 @@ adjust_cciss_scsi_table(int ctlr, int hostno, i = 0; nremoved = 0; nadded = 0; - while(i<ccissscsi[ctlr].ndevices) { - csd = &ccissscsi[ctlr].dev[i]; + while (i < ccissscsi[h->ctlr].ndevices) { + csd = &ccissscsi[h->ctlr].dev[i]; found=0; for (j=0;j<nsds;j++) { if (SCSI3ADDR_EQ(sd[j].scsi3addr, @@ -566,20 +568,18 @@ adjust_cciss_scsi_table(int ctlr, int hostno, if (found == 0) { /* device no longer present. */ changes++; - /* printk("cciss%d: %s device c%db%dt%dl%d removed.\n", - ctlr, scsi_device_type(csd->devtype), hostno, - csd->bus, csd->target, csd->lun); */ - cciss_scsi_remove_entry(ctlr, hostno, i, + cciss_scsi_remove_entry(h, hostno, i, removed, &nremoved); /* remove ^^^, hence i not incremented */ } else if (found == 1) { /* device is different in some way */ changes++; - printk("cciss%d: device c%db%dt%dl%d has changed.\n", - ctlr, hostno, csd->bus, csd->target, csd->lun); - cciss_scsi_remove_entry(ctlr, hostno, i, + dev_info(&h->pdev->dev, + "device c%db%dt%dl%d has changed.\n", + hostno, csd->bus, csd->target, csd->lun); + cciss_scsi_remove_entry(h, hostno, i, removed, &nremoved); /* remove ^^^, hence i not incremented */ - if (cciss_scsi_add_entry(ctlr, hostno, &sd[j], + if (cciss_scsi_add_entry(h, hostno, &sd[j], added, &nadded) != 0) /* we just removed one, so add can't fail. */ BUG(); @@ -601,8 +601,8 @@ adjust_cciss_scsi_table(int ctlr, int hostno, for (i=0;i<nsds;i++) { found=0; - for (j=0;j<ccissscsi[ctlr].ndevices;j++) { - csd = &ccissscsi[ctlr].dev[j]; + for (j = 0; j < ccissscsi[h->ctlr].ndevices; j++) { + csd = &ccissscsi[h->ctlr].dev[j]; if (SCSI3ADDR_EQ(sd[i].scsi3addr, csd->scsi3addr)) { if (device_is_the_same(&sd[i], csd)) @@ -614,18 +614,18 @@ adjust_cciss_scsi_table(int ctlr, int hostno, } if (!found) { changes++; - if (cciss_scsi_add_entry(ctlr, hostno, &sd[i], + if (cciss_scsi_add_entry(h, hostno, &sd[i], added, &nadded) != 0) break; } else if (found == 1) { /* should never happen... */ changes++; - printk(KERN_WARNING "cciss%d: device " - "unexpectedly changed\n", ctlr); + dev_warn(&h->pdev->dev, + "device unexpectedly changed\n"); /* but if it does happen, we just ignore that device */ } } - CPQ_TAPE_UNLOCK(ctlr, flags); + CPQ_TAPE_UNLOCK(h, flags); /* Don't notify scsi mid layer of any changes the first time through */ /* (or if there are no changes) scsi_scan_host will do it later the */ @@ -645,9 +645,9 @@ adjust_cciss_scsi_table(int ctlr, int hostno, /* We don't expect to get here. */ /* future cmds to this device will get selection */ /* timeout as if the device was gone. */ - printk(KERN_WARNING "cciss%d: didn't find " + dev_warn(&h->pdev->dev, "didn't find " "c%db%dt%dl%d\n for removal.", - ctlr, hostno, removed[i].bus, + hostno, removed[i].bus, removed[i].target, removed[i].lun); } } @@ -659,13 +659,12 @@ adjust_cciss_scsi_table(int ctlr, int hostno, added[i].target, added[i].lun); if (rc == 0) continue; - printk(KERN_WARNING "cciss%d: scsi_add_device " + dev_warn(&h->pdev->dev, "scsi_add_device " "c%db%dt%dl%d failed, device not added.\n", - ctlr, hostno, - added[i].bus, added[i].target, added[i].lun); + hostno, added[i].bus, added[i].target, added[i].lun); /* now we have to remove it from ccissscsi, */ /* since it didn't get added to scsi mid layer */ - fixup_botched_add(ctlr, added[i].scsi3addr); + fixup_botched_add(h, added[i].scsi3addr); } free_and_out: @@ -675,33 +674,33 @@ free_and_out: } static int -lookup_scsi3addr(int ctlr, int bus, int target, int lun, char *scsi3addr) +lookup_scsi3addr(ctlr_info_t *h, int bus, int target, int lun, char *scsi3addr) { int i; struct cciss_scsi_dev_t *sd; unsigned long flags; - CPQ_TAPE_LOCK(ctlr, flags); - for (i=0;i<ccissscsi[ctlr].ndevices;i++) { - sd = &ccissscsi[ctlr].dev[i]; + CPQ_TAPE_LOCK(h, flags); + for (i = 0; i < ccissscsi[h->ctlr].ndevices; i++) { + sd = &ccissscsi[h->ctlr].dev[i]; if (sd->bus == bus && sd->target == target && sd->lun == lun) { memcpy(scsi3addr, &sd->scsi3addr[0], 8); - CPQ_TAPE_UNLOCK(ctlr, flags); + CPQ_TAPE_UNLOCK(h, flags); return 0; } } - CPQ_TAPE_UNLOCK(ctlr, flags); + CPQ_TAPE_UNLOCK(h, flags); return -1; } static void -cciss_scsi_setup(int cntl_num) +cciss_scsi_setup(ctlr_info_t *h) { struct cciss_scsi_adapter_data_t * shba; - ccissscsi[cntl_num].ndevices = 0; + ccissscsi[h->ctlr].ndevices = 0; shba = (struct cciss_scsi_adapter_data_t *) kmalloc(sizeof(*shba), GFP_KERNEL); if (shba == NULL) @@ -709,35 +708,35 @@ cciss_scsi_setup(int cntl_num) shba->scsi_host = NULL; spin_lock_init(&shba->lock); shba->registered = 0; - if (scsi_cmd_stack_setup(cntl_num, shba) != 0) { + if (scsi_cmd_stack_setup(h, shba) != 0) { kfree(shba); shba = NULL; } - hba[cntl_num]->scsi_ctlr = shba; + h->scsi_ctlr = shba; return; } -static void -complete_scsi_command( CommandList_struct *cp, int timeout, __u32 tag) +static void complete_scsi_command(CommandList_struct *c, int timeout, + __u32 tag) { struct scsi_cmnd *cmd; - ctlr_info_t *ctlr; + ctlr_info_t *h; ErrorInfo_struct *ei; - ei = cp->err_info; + ei = c->err_info; /* First, see if it was a message rather than a command */ - if (cp->Request.Type.Type == TYPE_MSG) { - cp->cmd_type = CMD_MSG_DONE; + if (c->Request.Type.Type == TYPE_MSG) { + c->cmd_type = CMD_MSG_DONE; return; } - cmd = (struct scsi_cmnd *) cp->scsi_cmd; - ctlr = hba[cp->ctlr]; + cmd = (struct scsi_cmnd *) c->scsi_cmd; + h = hba[c->ctlr]; scsi_dma_unmap(cmd); - if (cp->Header.SGTotal > ctlr->max_cmd_sgentries) - cciss_unmap_sg_chain_block(ctlr, cp); + if (c->Header.SGTotal > h->max_cmd_sgentries) + cciss_unmap_sg_chain_block(h, c); cmd->result = (DID_OK << 16); /* host byte */ cmd->result |= (COMMAND_COMPLETE << 8); /* msg byte */ @@ -764,9 +763,8 @@ complete_scsi_command( CommandList_struct *cp, int timeout, __u32 tag) { #if 0 printk(KERN_WARNING "cciss: cmd %p " - "has SCSI Status = %x\n", - cp, - ei->ScsiStatus); + "has SCSI Status = %x\n", + c, ei->ScsiStatus); #endif cmd->result |= (ei->ScsiStatus << 1); } @@ -786,13 +784,13 @@ complete_scsi_command( CommandList_struct *cp, int timeout, __u32 tag) case CMD_DATA_UNDERRUN: /* let mid layer handle it. */ break; case CMD_DATA_OVERRUN: - printk(KERN_WARNING "cciss: cp %p has" + dev_warn(&h->pdev->dev, "%p has" " completed with data overrun " - "reported\n", cp); + "reported\n", c); break; case CMD_INVALID: { - /* print_bytes(cp, sizeof(*cp), 1, 0); - print_cmd(cp); */ + /* print_bytes(c, sizeof(*c), 1, 0); + print_cmd(c); */ /* We get CMD_INVALID if you address a non-existent tape drive instead of a selection timeout (no response). You will see this if you yank out a tape drive, then try to access it. This is kind of a shame @@ -802,54 +800,50 @@ complete_scsi_command( CommandList_struct *cp, int timeout, __u32 tag) } break; case CMD_PROTOCOL_ERR: - printk(KERN_WARNING "cciss: cp %p has " - "protocol error \n", cp); + dev_warn(&h->pdev->dev, + "%p has protocol error\n", c); break; case CMD_HARDWARE_ERR: cmd->result = DID_ERROR << 16; - printk(KERN_WARNING "cciss: cp %p had " - " hardware error\n", cp); + dev_warn(&h->pdev->dev, + "%p had hardware error\n", c); break; case CMD_CONNECTION_LOST: cmd->result = DID_ERROR << 16; - printk(KERN_WARNING "cciss: cp %p had " - "connection lost\n", cp); + dev_warn(&h->pdev->dev, + "%p had connection lost\n", c); break; case CMD_ABORTED: cmd->result = DID_ABORT << 16; - printk(KERN_WARNING "cciss: cp %p was " - "aborted\n", cp); + dev_warn(&h->pdev->dev, "%p was aborted\n", c); break; case CMD_ABORT_FAILED: cmd->result = DID_ERROR << 16; - printk(KERN_WARNING "cciss: cp %p reports " - "abort failed\n", cp); + dev_warn(&h->pdev->dev, + "%p reports abort failed\n", c); break; case CMD_UNSOLICITED_ABORT: cmd->result = DID_ABORT << 16; - printk(KERN_WARNING "cciss: cp %p aborted " - "do to an unsolicited abort\n", cp); + dev_warn(&h->pdev->dev, "%p aborted do to an " + "unsolicited abort\n", c); break; case CMD_TIMEOUT: cmd->result = DID_TIME_OUT << 16; - printk(KERN_WARNING "cciss: cp %p timedout\n", - cp); + dev_warn(&h->pdev->dev, "%p timedout\n", c); break; default: cmd->result = DID_ERROR << 16; - printk(KERN_WARNING "cciss: cp %p returned " - "unknown status %x\n", cp, + dev_warn(&h->pdev->dev, + "%p returned unknown status %x\n", c, ei->CommandStatus); } } - // printk("c:%p:c%db%dt%dl%d ", cmd, ctlr->ctlr, cmd->channel, - // cmd->target, cmd->lun); cmd->scsi_done(cmd); - scsi_cmd_free(ctlr, cp); + scsi_cmd_free(h, c); } static int -cciss_scsi_detect(int ctlr) +cciss_scsi_detect(ctlr_info_t *h) { struct Scsi_Host *sh; int error; @@ -860,15 +854,15 @@ cciss_scsi_detect(int ctlr) sh->io_port = 0; // good enough? FIXME, sh->n_io_port = 0; // I don't think we use these two... sh->this_id = SELF_SCSI_ID; - sh->sg_tablesize = hba[ctlr]->maxsgentries; + sh->sg_tablesize = h->maxsgentries; sh->max_cmd_len = MAX_COMMAND_SIZE; ((struct cciss_scsi_adapter_data_t *) - hba[ctlr]->scsi_ctlr)->scsi_host = sh; - sh->hostdata[0] = (unsigned long) hba[ctlr]; - sh->irq = hba[ctlr]->intr[SIMPLE_MODE_INT]; + h->scsi_ctlr)->scsi_host = sh; + sh->hostdata[0] = (unsigned long) h; + sh->irq = h->intr[SIMPLE_MODE_INT]; sh->unique_id = sh->irq; - error = scsi_add_host(sh, &hba[ctlr]->pdev->dev); + error = scsi_add_host(sh, &h->pdev->dev); if (error) goto fail_host_put; scsi_scan_host(sh); @@ -882,20 +876,20 @@ cciss_scsi_detect(int ctlr) static void cciss_unmap_one(struct pci_dev *pdev, - CommandList_struct *cp, + CommandList_struct *c, size_t buflen, int data_direction) { u64bit addr64; - addr64.val32.lower = cp->SG[0].Addr.lower; - addr64.val32.upper = cp->SG[0].Addr.upper; + addr64.val32.lower = c->SG[0].Addr.lower; + addr64.val32.upper = c->SG[0].Addr.upper; pci_unmap_single(pdev, (dma_addr_t) addr64.val, buflen, data_direction); } static void cciss_map_one(struct pci_dev *pdev, - CommandList_struct *cp, + CommandList_struct *c, unsigned char *buf, size_t buflen, int data_direction) @@ -903,164 +897,149 @@ cciss_map_one(struct pci_dev *pdev, __u64 addr64; addr64 = (__u64) pci_map_single(pdev, buf, buflen, data_direction); - cp->SG[0].Addr.lower = + c->SG[0].Addr.lower = (__u32) (addr64 & (__u64) 0x00000000FFFFFFFF); - cp->SG[0].Addr.upper = + c->SG[0].Addr.upper = (__u32) ((addr64 >> 32) & (__u64) 0x00000000FFFFFFFF); - cp->SG[0].Len = buflen; - cp->Header.SGList = (__u8) 1; /* no. SGs contig in this cmd */ - cp->Header.SGTotal = (__u16) 1; /* total sgs in this cmd list */ + c->SG[0].Len = buflen; + c->Header.SGList = (__u8) 1; /* no. SGs contig in this cmd */ + c->Header.SGTotal = (__u16) 1; /* total sgs in this cmd list */ } static int -cciss_scsi_do_simple_cmd(ctlr_info_t *c, - CommandList_struct *cp, +cciss_scsi_do_simple_cmd(ctlr_info_t *h, + CommandList_struct *c, unsigned char *scsi3addr, unsigned char *cdb, unsigned char cdblen, unsigned char *buf, int bufsize, int direction) { - unsigned long flags; DECLARE_COMPLETION_ONSTACK(wait); - cp->cmd_type = CMD_IOCTL_PEND; // treat this like an ioctl - cp->scsi_cmd = NULL; - cp->Header.ReplyQueue = 0; // unused in simple mode - memcpy(&cp->Header.LUN, scsi3addr, sizeof(cp->Header.LUN)); - cp->Header.Tag.lower = cp->busaddr; // Use k. address of cmd as tag + c->cmd_type = CMD_IOCTL_PEND; /* treat this like an ioctl */ + c->scsi_cmd = NULL; + c->Header.ReplyQueue = 0; /* unused in simple mode */ + memcpy(&c->Header.LUN, scsi3addr, sizeof(c->Header.LUN)); + c->Header.Tag.lower = c->busaddr; /* Use k. address of cmd as tag */ // Fill in the request block... /* printk("Using scsi3addr 0x%02x%0x2%0x2%0x2%0x2%0x2%0x2%0x2\n", scsi3addr[0], scsi3addr[1], scsi3addr[2], scsi3addr[3], scsi3addr[4], scsi3addr[5], scsi3addr[6], scsi3addr[7]); */ - memset(cp->Request.CDB, 0, sizeof(cp->Request.CDB)); - memcpy(cp->Request.CDB, cdb, cdblen); - cp->Request.Timeout = 0; - cp->Request.CDBLen = cdblen; - cp->Request.Type.Type = TYPE_CMD; - cp->Request.Type.Attribute = ATTR_SIMPLE; - cp->Request.Type.Direction = direction; + memset(c->Request.CDB, 0, sizeof(c->Request.CDB)); + memcpy(c->Request.CDB, cdb, cdblen); + c->Request.Timeout = 0; + c->Request.CDBLen = cdblen; + c->Request.Type.Type = TYPE_CMD; + c->Request.Type.Attribute = ATTR_SIMPLE; + c->Request.Type.Direction = direction; /* Fill in the SG list and do dma mapping */ - cciss_map_one(c->pdev, cp, (unsigned char *) buf, + cciss_map_one(h->pdev, c, (unsigned char *) buf, bufsize, DMA_FROM_DEVICE); - cp->waiting = &wait; - - /* Put the request on the tail of the request queue */ - spin_lock_irqsave(CCISS_LOCK(c->ctlr), flags); - addQ(&c->reqQ, cp); - c->Qdepth++; - start_io(c); - spin_unlock_irqrestore(CCISS_LOCK(c->ctlr), flags); - + c->waiting = &wait; + enqueue_cmd_and_start_io(h, c); wait_for_completion(&wait); /* undo the dma mapping */ - cciss_unmap_one(c->pdev, cp, bufsize, DMA_FROM_DEVICE); + cciss_unmap_one(h->pdev, c, bufsize, DMA_FROM_DEVICE); return(0); } static void -cciss_scsi_interpret_error(CommandList_struct *cp) +cciss_scsi_interpret_error(ctlr_info_t *h, CommandList_struct *c) { ErrorInfo_struct *ei; - ei = cp->err_info; + ei = c->err_info; switch(ei->CommandStatus) { case CMD_TARGET_STATUS: - printk(KERN_WARNING "cciss: cmd %p has " - "completed with errors\n", cp); - printk(KERN_WARNING "cciss: cmd %p " - "has SCSI Status = %x\n", - cp, - ei->ScsiStatus); + dev_warn(&h->pdev->dev, + "cmd %p has completed with errors\n", c); + dev_warn(&h->pdev->dev, + "cmd %p has SCSI Status = %x\n", + c, ei->ScsiStatus); if (ei->ScsiStatus == 0) - printk(KERN_WARNING - "cciss:SCSI status is abnormally zero. " + dev_warn(&h->pdev->dev, + "SCSI status is abnormally zero. " "(probably indicates selection timeout " "reported incorrectly due to a known " "firmware bug, circa July, 2001.)\n"); break; case CMD_DATA_UNDERRUN: /* let mid layer handle it. */ - printk("UNDERRUN\n"); + dev_info(&h->pdev->dev, "UNDERRUN\n"); break; case CMD_DATA_OVERRUN: - printk(KERN_WARNING "cciss: cp %p has" + dev_warn(&h->pdev->dev, "%p has" " completed with data overrun " - "reported\n", cp); + "reported\n", c); break; case CMD_INVALID: { /* controller unfortunately reports SCSI passthru's */ /* to non-existent targets as invalid commands. */ - printk(KERN_WARNING "cciss: cp %p is " - "reported invalid (probably means " - "target device no longer present)\n", - cp); - /* print_bytes((unsigned char *) cp, sizeof(*cp), 1, 0); - print_cmd(cp); */ + dev_warn(&h->pdev->dev, + "%p is reported invalid (probably means " + "target device no longer present)\n", c); + /* print_bytes((unsigned char *) c, sizeof(*c), 1, 0); + print_cmd(c); */ } break; case CMD_PROTOCOL_ERR: - printk(KERN_WARNING "cciss: cp %p has " - "protocol error \n", cp); + dev_warn(&h->pdev->dev, "%p has protocol error\n", c); break; case CMD_HARDWARE_ERR: /* cmd->result = DID_ERROR << 16; */ - printk(KERN_WARNING "cciss: cp %p had " - " hardware error\n", cp); + dev_warn(&h->pdev->dev, "%p had hardware error\n", c); break; case CMD_CONNECTION_LOST: - printk(KERN_WARNING "cciss: cp %p had " - "connection lost\n", cp); + dev_warn(&h->pdev->dev, "%p had connection lost\n", c); break; case CMD_ABORTED: - printk(KERN_WARNING "cciss: cp %p was " - "aborted\n", cp); + dev_warn(&h->pdev->dev, "%p was aborted\n", c); break; case CMD_ABORT_FAILED: - printk(KERN_WARNING "cciss: cp %p reports " - "abort failed\n", cp); + dev_warn(&h->pdev->dev, + "%p reports abort failed\n", c); break; case CMD_UNSOLICITED_ABORT: - printk(KERN_WARNING "cciss: cp %p aborted " - "do to an unsolicited abort\n", cp); + dev_warn(&h->pdev->dev, + "%p aborted do to an unsolicited abort\n", c); break; case CMD_TIMEOUT: - printk(KERN_WARNING "cciss: cp %p timedout\n", - cp); + dev_warn(&h->pdev->dev, "%p timedout\n", c); break; default: - printk(KERN_WARNING "cciss: cp %p returned " - "unknown status %x\n", cp, - ei->CommandStatus); + dev_warn(&h->pdev->dev, + "%p returned unknown status %x\n", + c, ei->CommandStatus); } } static int -cciss_scsi_do_inquiry(ctlr_info_t *c, unsigned char *scsi3addr, +cciss_scsi_do_inquiry(ctlr_info_t *h, unsigned char *scsi3addr, unsigned char page, unsigned char *buf, unsigned char bufsize) { int rc; - CommandList_struct *cp; + CommandList_struct *c; char cdb[6]; ErrorInfo_struct *ei; unsigned long flags; - spin_lock_irqsave(CCISS_LOCK(c->ctlr), flags); - cp = scsi_cmd_alloc(c); - spin_unlock_irqrestore(CCISS_LOCK(c->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); + c = scsi_cmd_alloc(h); + spin_unlock_irqrestore(&h->lock, flags); - if (cp == NULL) { /* trouble... */ + if (c == NULL) { /* trouble... */ printk("cmd_alloc returned NULL!\n"); return -1; } - ei = cp->err_info; + ei = c->err_info; cdb[0] = CISS_INQUIRY; cdb[1] = (page != 0); @@ -1068,24 +1047,24 @@ cciss_scsi_do_inquiry(ctlr_info_t *c, unsigned char *scsi3addr, cdb[3] = 0; cdb[4] = bufsize; cdb[5] = 0; - rc = cciss_scsi_do_simple_cmd(c, cp, scsi3addr, cdb, + rc = cciss_scsi_do_simple_cmd(h, c, scsi3addr, cdb, 6, buf, bufsize, XFER_READ); if (rc != 0) return rc; /* something went wrong */ if (ei->CommandStatus != 0 && ei->CommandStatus != CMD_DATA_UNDERRUN) { - cciss_scsi_interpret_error(cp); + cciss_scsi_interpret_error(h, c); rc = -1; } - spin_lock_irqsave(CCISS_LOCK(c->ctlr), flags); - scsi_cmd_free(c, cp); - spin_unlock_irqrestore(CCISS_LOCK(c->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); + scsi_cmd_free(h, c); + spin_unlock_irqrestore(&h->lock, flags); return rc; } /* Get the device id from inquiry page 0x83 */ -static int cciss_scsi_get_device_id(ctlr_info_t *c, unsigned char *scsi3addr, +static int cciss_scsi_get_device_id(ctlr_info_t *h, unsigned char *scsi3addr, unsigned char *device_id, int buflen) { int rc; @@ -1096,7 +1075,7 @@ static int cciss_scsi_get_device_id(ctlr_info_t *c, unsigned char *scsi3addr, buf = kzalloc(64, GFP_KERNEL); if (!buf) return -1; - rc = cciss_scsi_do_inquiry(c, scsi3addr, 0x83, buf, 64); + rc = cciss_scsi_do_inquiry(h, scsi3addr, 0x83, buf, 64); if (rc == 0) memcpy(device_id, &buf[8], buflen); kfree(buf); @@ -1104,20 +1083,20 @@ static int cciss_scsi_get_device_id(ctlr_info_t *c, unsigned char *scsi3addr, } static int -cciss_scsi_do_report_phys_luns(ctlr_info_t *c, +cciss_scsi_do_report_phys_luns(ctlr_info_t *h, ReportLunData_struct *buf, int bufsize) { int rc; - CommandList_struct *cp; + CommandList_struct *c; unsigned char cdb[12]; unsigned char scsi3addr[8]; ErrorInfo_struct *ei; unsigned long flags; - spin_lock_irqsave(CCISS_LOCK(c->ctlr), flags); - cp = scsi_cmd_alloc(c); - spin_unlock_irqrestore(CCISS_LOCK(c->ctlr), flags); - if (cp == NULL) { /* trouble... */ + spin_lock_irqsave(&h->lock, flags); + c = scsi_cmd_alloc(h); + spin_unlock_irqrestore(&h->lock, flags); + if (c == NULL) { /* trouble... */ printk("cmd_alloc returned NULL!\n"); return -1; } @@ -1136,27 +1115,27 @@ cciss_scsi_do_report_phys_luns(ctlr_info_t *c, cdb[10] = 0; cdb[11] = 0; - rc = cciss_scsi_do_simple_cmd(c, cp, scsi3addr, + rc = cciss_scsi_do_simple_cmd(h, c, scsi3addr, cdb, 12, (unsigned char *) buf, bufsize, XFER_READ); if (rc != 0) return rc; /* something went wrong */ - ei = cp->err_info; + ei = c->err_info; if (ei->CommandStatus != 0 && ei->CommandStatus != CMD_DATA_UNDERRUN) { - cciss_scsi_interpret_error(cp); + cciss_scsi_interpret_error(h, c); rc = -1; } - spin_lock_irqsave(CCISS_LOCK(c->ctlr), flags); - scsi_cmd_free(c, cp); - spin_unlock_irqrestore(CCISS_LOCK(c->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); + scsi_cmd_free(h, c); + spin_unlock_irqrestore(&h->lock, flags); return rc; } static void -cciss_update_non_disk_devices(int cntl_num, int hostno) +cciss_update_non_disk_devices(ctlr_info_t *h, int hostno) { /* the idea here is we could get notified from /proc that some devices have changed, so we do a report @@ -1189,7 +1168,6 @@ cciss_update_non_disk_devices(int cntl_num, int hostno) ReportLunData_struct *ld_buff; unsigned char *inq_buff; unsigned char scsi3addr[8]; - ctlr_info_t *c; __u32 num_luns=0; unsigned char *ch; struct cciss_scsi_dev_t *currentsd, *this_device; @@ -1197,7 +1175,6 @@ cciss_update_non_disk_devices(int cntl_num, int hostno) int reportlunsize = sizeof(*ld_buff) + CISS_MAX_PHYS_LUN * 8; int i; - c = (ctlr_info_t *) hba[cntl_num]; ld_buff = kzalloc(reportlunsize, GFP_KERNEL); inq_buff = kmalloc(OBDR_TAPE_INQ_SIZE, GFP_KERNEL); currentsd = kzalloc(sizeof(*currentsd) * @@ -1207,7 +1184,7 @@ cciss_update_non_disk_devices(int cntl_num, int hostno) goto out; } this_device = ¤tsd[CCISS_MAX_SCSI_DEVS_PER_HBA]; - if (cciss_scsi_do_report_phys_luns(c, ld_buff, reportlunsize) == 0) { + if (cciss_scsi_do_report_phys_luns(h, ld_buff, reportlunsize) == 0) { ch = &ld_buff->LUNListLength[0]; num_luns = ((ch[0]<<24) | (ch[1]<<16) | (ch[2]<<8) | ch[3]) / 8; if (num_luns > CISS_MAX_PHYS_LUN) { @@ -1231,7 +1208,7 @@ cciss_update_non_disk_devices(int cntl_num, int hostno) memset(inq_buff, 0, OBDR_TAPE_INQ_SIZE); memcpy(&scsi3addr[0], &ld_buff->LUN[i][0], 8); - if (cciss_scsi_do_inquiry(hba[cntl_num], scsi3addr, 0, inq_buff, + if (cciss_scsi_do_inquiry(h, scsi3addr, 0, inq_buff, (unsigned char) OBDR_TAPE_INQ_SIZE) != 0) /* Inquiry failed (msg printed already) */ continue; /* so we will skip this device. */ @@ -1249,7 +1226,7 @@ cciss_update_non_disk_devices(int cntl_num, int hostno) sizeof(this_device->revision)); memset(this_device->device_id, 0, sizeof(this_device->device_id)); - cciss_scsi_get_device_id(hba[cntl_num], scsi3addr, + cciss_scsi_get_device_id(h, scsi3addr, this_device->device_id, sizeof(this_device->device_id)); switch (this_device->devtype) @@ -1276,7 +1253,7 @@ cciss_update_non_disk_devices(int cntl_num, int hostno) case 0x08: /* medium changer */ if (ncurrent >= CCISS_MAX_SCSI_DEVS_PER_HBA) { printk(KERN_INFO "cciss%d: %s ignored, " - "too many devices.\n", cntl_num, + "too many devices.\n", h->ctlr, scsi_device_type(this_device->devtype)); break; } @@ -1288,7 +1265,7 @@ cciss_update_non_disk_devices(int cntl_num, int hostno) } } - adjust_cciss_scsi_table(cntl_num, hostno, currentsd, ncurrent); + adjust_cciss_scsi_table(h, hostno, currentsd, ncurrent); out: kfree(inq_buff); kfree(ld_buff); @@ -1307,12 +1284,12 @@ is_keyword(char *ptr, int len, char *verb) // Thanks to ncr53c8xx.c } static int -cciss_scsi_user_command(int ctlr, int hostno, char *buffer, int length) +cciss_scsi_user_command(ctlr_info_t *h, int hostno, char *buffer, int length) { int arg_len; if ((arg_len = is_keyword(buffer, length, "rescan")) != 0) - cciss_update_non_disk_devices(ctlr, hostno); + cciss_update_non_disk_devices(h, hostno); else return -EINVAL; return length; @@ -1329,20 +1306,16 @@ cciss_scsi_proc_info(struct Scsi_Host *sh, { int buflen, datalen; - ctlr_info_t *ci; + ctlr_info_t *h; int i; - int cntl_num; - - ci = (ctlr_info_t *) sh->hostdata[0]; - if (ci == NULL) /* This really shouldn't ever happen. */ + h = (ctlr_info_t *) sh->hostdata[0]; + if (h == NULL) /* This really shouldn't ever happen. */ return -EINVAL; - cntl_num = ci->ctlr; /* Get our index into the hba[] array */ - if (func == 0) { /* User is reading from /proc/scsi/ciss*?/?* */ buflen = sprintf(buffer, "cciss%d: SCSI host: %d\n", - cntl_num, sh->host_no); + h->ctlr, sh->host_no); /* this information is needed by apps to know which cciss device corresponds to which scsi host number without @@ -1352,8 +1325,9 @@ cciss_scsi_proc_info(struct Scsi_Host *sh, this info is for an app to be able to use to know how to get them back in sync. */ - for (i=0;i<ccissscsi[cntl_num].ndevices;i++) { - struct cciss_scsi_dev_t *sd = &ccissscsi[cntl_num].dev[i]; + for (i = 0; i < ccissscsi[h->ctlr].ndevices; i++) { + struct cciss_scsi_dev_t *sd = + &ccissscsi[h->ctlr].dev[i]; buflen += sprintf(&buffer[buflen], "c%db%dt%dl%d %02d " "0x%02x%02x%02x%02x%02x%02x%02x%02x\n", sh->host_no, sd->bus, sd->target, sd->lun, @@ -1371,15 +1345,15 @@ cciss_scsi_proc_info(struct Scsi_Host *sh, *start = buffer + offset; return(datalen); } else /* User is writing to /proc/scsi/cciss*?/?* ... */ - return cciss_scsi_user_command(cntl_num, sh->host_no, + return cciss_scsi_user_command(h, sh->host_no, buffer, length); } /* cciss_scatter_gather takes a struct scsi_cmnd, (cmd), and does the pci dma mapping and fills in the scatter gather entries of the - cciss command, cp. */ + cciss command, c. */ -static void cciss_scatter_gather(ctlr_info_t *h, CommandList_struct *cp, +static void cciss_scatter_gather(ctlr_info_t *h, CommandList_struct *c, struct scsi_cmnd *cmd) { unsigned int len; @@ -1393,7 +1367,7 @@ static void cciss_scatter_gather(ctlr_info_t *h, CommandList_struct *cp, chained = 0; sg_index = 0; - curr_sg = cp->SG; + curr_sg = c->SG; request_nsgs = scsi_dma_map(cmd); if (request_nsgs) { scsi_for_each_sg(cmd, sg, request_nsgs, i) { @@ -1401,7 +1375,7 @@ static void cciss_scatter_gather(ctlr_info_t *h, CommandList_struct *cp, !chained && request_nsgs - i > 1) { chained = 1; sg_index = 0; - curr_sg = sa->cmd_sg_list[cp->cmdindex]; + curr_sg = sa->cmd_sg_list[c->cmdindex]; } addr64 = (__u64) sg_dma_address(sg); len = sg_dma_len(sg); @@ -1414,19 +1388,19 @@ static void cciss_scatter_gather(ctlr_info_t *h, CommandList_struct *cp, ++sg_index; } if (chained) - cciss_map_sg_chain_block(h, cp, - sa->cmd_sg_list[cp->cmdindex], + cciss_map_sg_chain_block(h, c, + sa->cmd_sg_list[c->cmdindex], (request_nsgs - (h->max_cmd_sgentries - 1)) * sizeof(SGDescriptor_struct)); } /* track how many SG entries we are using */ if (request_nsgs > h->maxSG) h->maxSG = request_nsgs; - cp->Header.SGTotal = (__u8) request_nsgs + chained; + c->Header.SGTotal = (__u8) request_nsgs + chained; if (request_nsgs > h->max_cmd_sgentries) - cp->Header.SGList = h->max_cmd_sgentries; + c->Header.SGList = h->max_cmd_sgentries; else - cp->Header.SGList = cp->Header.SGTotal; + c->Header.SGList = c->Header.SGTotal; return; } @@ -1434,18 +1408,17 @@ static void cciss_scatter_gather(ctlr_info_t *h, CommandList_struct *cp, static int cciss_scsi_queue_command (struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *)) { - ctlr_info_t *c; - int ctlr, rc; + ctlr_info_t *h; + int rc; unsigned char scsi3addr[8]; - CommandList_struct *cp; + CommandList_struct *c; unsigned long flags; // Get the ptr to our adapter structure (hba[i]) out of cmd->host. // We violate cmd->host privacy here. (Is there another way?) - c = (ctlr_info_t *) cmd->device->host->hostdata[0]; - ctlr = c->ctlr; + h = (ctlr_info_t *) cmd->device->host->hostdata[0]; - rc = lookup_scsi3addr(ctlr, cmd->device->channel, cmd->device->id, + rc = lookup_scsi3addr(h, cmd->device->channel, cmd->device->id, cmd->device->lun, scsi3addr); if (rc != 0) { /* the scsi nexus does not match any that we presented... */ @@ -1457,19 +1430,14 @@ cciss_scsi_queue_command (struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd return 0; } - /* printk("cciss_queue_command, p=%p, cmd=0x%02x, c%db%dt%dl%d\n", - cmd, cmd->cmnd[0], ctlr, cmd->channel, cmd->target, cmd->lun);*/ - // printk("q:%p:c%db%dt%dl%d ", cmd, ctlr, cmd->channel, - // cmd->target, cmd->lun); - /* Ok, we have a reasonable scsi nexus, so send the cmd down, and see what the device thinks of it. */ - spin_lock_irqsave(CCISS_LOCK(ctlr), flags); - cp = scsi_cmd_alloc(c); - spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); - if (cp == NULL) { /* trouble... */ - printk("scsi_cmd_alloc returned NULL!\n"); + spin_lock_irqsave(&h->lock, flags); + c = scsi_cmd_alloc(h); + spin_unlock_irqrestore(&h->lock, flags); + if (c == NULL) { /* trouble... */ + dev_warn(&h->pdev->dev, "scsi_cmd_alloc returned NULL!\n"); /* FIXME: next 3 lines are -> BAD! <- */ cmd->result = DID_NO_CONNECT << 16; done(cmd); @@ -1480,35 +1448,41 @@ cciss_scsi_queue_command (struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd cmd->scsi_done = done; // save this for use by completion code - // save cp in case we have to abort it - cmd->host_scribble = (unsigned char *) cp; + /* save c in case we have to abort it */ + cmd->host_scribble = (unsigned char *) c; - cp->cmd_type = CMD_SCSI; - cp->scsi_cmd = cmd; - cp->Header.ReplyQueue = 0; // unused in simple mode - memcpy(&cp->Header.LUN.LunAddrBytes[0], &scsi3addr[0], 8); - cp->Header.Tag.lower = cp->busaddr; // Use k. address of cmd as tag + c->cmd_type = CMD_SCSI; + c->scsi_cmd = cmd; + c->Header.ReplyQueue = 0; /* unused in simple mode */ + memcpy(&c->Header.LUN.LunAddrBytes[0], &scsi3addr[0], 8); + c->Header.Tag.lower = c->busaddr; /* Use k. address of cmd as tag */ // Fill in the request block... - cp->Request.Timeout = 0; - memset(cp->Request.CDB, 0, sizeof(cp->Request.CDB)); - BUG_ON(cmd->cmd_len > sizeof(cp->Request.CDB)); - cp->Request.CDBLen = cmd->cmd_len; - memcpy(cp->Request.CDB, cmd->cmnd, cmd->cmd_len); - cp->Request.Type.Type = TYPE_CMD; - cp->Request.Type.Attribute = ATTR_SIMPLE; + c->Request.Timeout = 0; + memset(c->Request.CDB, 0, sizeof(c->Request.CDB)); + BUG_ON(cmd->cmd_len > sizeof(c->Request.CDB)); + c->Request.CDBLen = cmd->cmd_len; + memcpy(c->Request.CDB, cmd->cmnd, cmd->cmd_len); + c->Request.Type.Type = TYPE_CMD; + c->Request.Type.Attribute = ATTR_SIMPLE; switch(cmd->sc_data_direction) { - case DMA_TO_DEVICE: cp->Request.Type.Direction = XFER_WRITE; break; - case DMA_FROM_DEVICE: cp->Request.Type.Direction = XFER_READ; break; - case DMA_NONE: cp->Request.Type.Direction = XFER_NONE; break; + case DMA_TO_DEVICE: + c->Request.Type.Direction = XFER_WRITE; + break; + case DMA_FROM_DEVICE: + c->Request.Type.Direction = XFER_READ; + break; + case DMA_NONE: + c->Request.Type.Direction = XFER_NONE; + break; case DMA_BIDIRECTIONAL: // This can happen if a buggy application does a scsi passthru // and sets both inlen and outlen to non-zero. ( see // ../scsi/scsi_ioctl.c:scsi_ioctl_send_command() ) - cp->Request.Type.Direction = XFER_RSVD; + c->Request.Type.Direction = XFER_RSVD; // This is technically wrong, and cciss controllers should // reject it with CMD_INVALID, which is the most correct // response, but non-fibre backends appear to let it @@ -1519,27 +1493,18 @@ cciss_scsi_queue_command (struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd break; default: - printk("cciss: unknown data direction: %d\n", + dev_warn(&h->pdev->dev, "unknown data direction: %d\n", cmd->sc_data_direction); BUG(); break; } - cciss_scatter_gather(c, cp, cmd); - - /* Put the request on the tail of the request queue */ - - spin_lock_irqsave(CCISS_LOCK(ctlr), flags); - addQ(&c->reqQ, cp); - c->Qdepth++; - start_io(c); - spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); - + cciss_scatter_gather(h, c, cmd); + enqueue_cmd_and_start_io(h, c); /* the cmd'll come back via intr handler in complete_scsi_command() */ return 0; } -static void -cciss_unregister_scsi(int ctlr) +static void cciss_unregister_scsi(ctlr_info_t *h) { struct cciss_scsi_adapter_data_t *sa; struct cciss_scsi_cmd_stack_t *stk; @@ -1547,59 +1512,58 @@ cciss_unregister_scsi(int ctlr) /* we are being forcibly unloaded, and may not refuse. */ - spin_lock_irqsave(CCISS_LOCK(ctlr), flags); - sa = hba[ctlr]->scsi_ctlr; + spin_lock_irqsave(&h->lock, flags); + sa = h->scsi_ctlr; stk = &sa->cmd_stack; /* if we weren't ever actually registered, don't unregister */ if (sa->registered) { - spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); scsi_remove_host(sa->scsi_host); scsi_host_put(sa->scsi_host); - spin_lock_irqsave(CCISS_LOCK(ctlr), flags); + spin_lock_irqsave(&h->lock, flags); } /* set scsi_host to NULL so our detect routine will find us on register */ sa->scsi_host = NULL; - spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); - scsi_cmd_stack_free(ctlr); + spin_unlock_irqrestore(&h->lock, flags); + scsi_cmd_stack_free(h); kfree(sa); } -static int -cciss_engage_scsi(int ctlr) +static int cciss_engage_scsi(ctlr_info_t *h) { struct cciss_scsi_adapter_data_t *sa; struct cciss_scsi_cmd_stack_t *stk; unsigned long flags; - spin_lock_irqsave(CCISS_LOCK(ctlr), flags); - sa = hba[ctlr]->scsi_ctlr; + spin_lock_irqsave(&h->lock, flags); + sa = h->scsi_ctlr; stk = &sa->cmd_stack; if (sa->registered) { - printk("cciss%d: SCSI subsystem already engaged.\n", ctlr); - spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); + dev_info(&h->pdev->dev, "SCSI subsystem already engaged.\n"); + spin_unlock_irqrestore(&h->lock, flags); return -ENXIO; } sa->registered = 1; - spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); - cciss_update_non_disk_devices(ctlr, -1); - cciss_scsi_detect(ctlr); + spin_unlock_irqrestore(&h->lock, flags); + cciss_update_non_disk_devices(h, -1); + cciss_scsi_detect(h); return 0; } static void -cciss_seq_tape_report(struct seq_file *seq, int ctlr) +cciss_seq_tape_report(struct seq_file *seq, ctlr_info_t *h) { unsigned long flags; - CPQ_TAPE_LOCK(ctlr, flags); + CPQ_TAPE_LOCK(h, flags); seq_printf(seq, "Sequential access devices: %d\n\n", - ccissscsi[ctlr].ndevices); - CPQ_TAPE_UNLOCK(ctlr, flags); + ccissscsi[h->ctlr].ndevices); + CPQ_TAPE_UNLOCK(h, flags); } static int wait_for_device_to_become_ready(ctlr_info_t *h, @@ -1610,10 +1574,10 @@ static int wait_for_device_to_become_ready(ctlr_info_t *h, int waittime = HZ; CommandList_struct *c; - c = cmd_alloc(h, 1); + c = cmd_alloc(h); if (!c) { - printk(KERN_WARNING "cciss%d: out of memory in " - "wait_for_device_to_become_ready.\n", h->ctlr); + dev_warn(&h->pdev->dev, "out of memory in " + "wait_for_device_to_become_ready.\n"); return IO_ERROR; } @@ -1631,7 +1595,7 @@ static int wait_for_device_to_become_ready(ctlr_info_t *h, waittime = waittime * 2; /* Send the Test Unit Ready */ - rc = fill_cmd(c, TEST_UNIT_READY, h->ctlr, NULL, 0, 0, + rc = fill_cmd(h, c, TEST_UNIT_READY, NULL, 0, 0, lunaddr, TYPE_CMD); if (rc == 0) rc = sendcmd_withirq_core(h, c, 0); @@ -1657,18 +1621,18 @@ static int wait_for_device_to_become_ready(ctlr_info_t *h, } } retry_tur: - printk(KERN_WARNING "cciss%d: Waiting %d secs " + dev_warn(&h->pdev->dev, "Waiting %d secs " "for device to become ready.\n", - h->ctlr, waittime / HZ); + waittime / HZ); rc = 1; /* device not ready. */ } if (rc) - printk("cciss%d: giving up on device.\n", h->ctlr); + dev_warn(&h->pdev->dev, "giving up on device.\n"); else - printk(KERN_WARNING "cciss%d: device is ready.\n", h->ctlr); + dev_warn(&h->pdev->dev, "device is ready.\n"); - cmd_free(h, c, 1); + cmd_free(h, c); return rc; } @@ -1688,26 +1652,24 @@ static int cciss_eh_device_reset_handler(struct scsi_cmnd *scsicmd) int rc; CommandList_struct *cmd_in_trouble; unsigned char lunaddr[8]; - ctlr_info_t *c; - int ctlr; + ctlr_info_t *h; /* find the controller to which the command to be aborted was sent */ - c = (ctlr_info_t *) scsicmd->device->host->hostdata[0]; - if (c == NULL) /* paranoia */ + h = (ctlr_info_t *) scsicmd->device->host->hostdata[0]; + if (h == NULL) /* paranoia */ return FAILED; - ctlr = c->ctlr; - printk(KERN_WARNING "cciss%d: resetting tape drive or medium changer.\n", ctlr); + dev_warn(&h->pdev->dev, "resetting tape drive or medium changer.\n"); /* find the command that's giving us trouble */ cmd_in_trouble = (CommandList_struct *) scsicmd->host_scribble; if (cmd_in_trouble == NULL) /* paranoia */ return FAILED; memcpy(lunaddr, &cmd_in_trouble->Header.LUN.LunAddrBytes[0], 8); /* send a reset to the SCSI LUN which the command was sent to */ - rc = sendcmd_withirq(CCISS_RESET_MSG, ctlr, NULL, 0, 0, lunaddr, + rc = sendcmd_withirq(h, CCISS_RESET_MSG, NULL, 0, 0, lunaddr, TYPE_MSG); - if (rc == 0 && wait_for_device_to_become_ready(c, lunaddr) == 0) + if (rc == 0 && wait_for_device_to_become_ready(h, lunaddr) == 0) return SUCCESS; - printk(KERN_WARNING "cciss%d: resetting device failed.\n", ctlr); + dev_warn(&h->pdev->dev, "resetting device failed.\n"); return FAILED; } @@ -1716,22 +1678,20 @@ static int cciss_eh_abort_handler(struct scsi_cmnd *scsicmd) int rc; CommandList_struct *cmd_to_abort; unsigned char lunaddr[8]; - ctlr_info_t *c; - int ctlr; + ctlr_info_t *h; /* find the controller to which the command to be aborted was sent */ - c = (ctlr_info_t *) scsicmd->device->host->hostdata[0]; - if (c == NULL) /* paranoia */ + h = (ctlr_info_t *) scsicmd->device->host->hostdata[0]; + if (h == NULL) /* paranoia */ return FAILED; - ctlr = c->ctlr; - printk(KERN_WARNING "cciss%d: aborting tardy SCSI cmd\n", ctlr); + dev_warn(&h->pdev->dev, "aborting tardy SCSI cmd\n"); /* find the command to be aborted */ cmd_to_abort = (CommandList_struct *) scsicmd->host_scribble; if (cmd_to_abort == NULL) /* paranoia */ return FAILED; memcpy(lunaddr, &cmd_to_abort->Header.LUN.LunAddrBytes[0], 8); - rc = sendcmd_withirq(CCISS_ABORT_MSG, ctlr, &cmd_to_abort->Header.Tag, + rc = sendcmd_withirq(h, CCISS_ABORT_MSG, &cmd_to_abort->Header.Tag, 0, 0, lunaddr, TYPE_MSG); if (rc == 0) return SUCCESS; diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c index abb4ec6..d53b029 100644 --- a/drivers/block/cpqarray.c +++ b/drivers/block/cpqarray.c @@ -35,6 +35,7 @@ #include <linux/seq_file.h> #include <linux/init.h> #include <linux/hdreg.h> +#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <linux/blkdev.h> #include <linux/genhd.h> @@ -157,7 +158,7 @@ static int sendcmd( unsigned int blkcnt, unsigned int log_unit ); -static int ida_open(struct block_device *bdev, fmode_t mode); +static int ida_unlocked_open(struct block_device *bdev, fmode_t mode); static int ida_release(struct gendisk *disk, fmode_t mode); static int ida_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg); static int ida_getgeo(struct block_device *bdev, struct hd_geometry *geo); @@ -195,9 +196,9 @@ static inline ctlr_info_t *get_host(struct gendisk *disk) static const struct block_device_operations ida_fops = { .owner = THIS_MODULE, - .open = ida_open, + .open = ida_unlocked_open, .release = ida_release, - .locked_ioctl = ida_ioctl, + .ioctl = ida_ioctl, .getgeo = ida_getgeo, .revalidate_disk= ida_revalidate, }; @@ -840,13 +841,29 @@ static int ida_open(struct block_device *bdev, fmode_t mode) return 0; } +static int ida_unlocked_open(struct block_device *bdev, fmode_t mode) +{ + int ret; + + lock_kernel(); + ret = ida_open(bdev, mode); + unlock_kernel(); + + return ret; +} + /* * Close. Sync first. */ static int ida_release(struct gendisk *disk, fmode_t mode) { - ctlr_info_t *host = get_host(disk); + ctlr_info_t *host; + + lock_kernel(); + host = get_host(disk); host->usage_count--; + unlock_kernel(); + return 0; } @@ -1128,7 +1145,7 @@ static int ida_getgeo(struct block_device *bdev, struct hd_geometry *geo) * ida_ioctl does some miscellaneous stuff like reporting drive geometry, * setting readahead and submitting commands from userspace to the controller. */ -static int ida_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg) +static int ida_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg) { drv_info_t *drv = get_drv(bdev->bd_disk); ctlr_info_t *host = get_host(bdev->bd_disk); @@ -1162,7 +1179,8 @@ out_passthru: return error; case IDAGETCTLRSIG: if (!arg) return -EINVAL; - put_user(host->ctlr_sig, (int __user *)arg); + if (put_user(host->ctlr_sig, (int __user *)arg)) + return -EFAULT; return 0; case IDAREVALIDATEVOLS: if (MINOR(bdev->bd_dev) != 0) @@ -1170,7 +1188,8 @@ out_passthru: return revalidate_allvol(host); case IDADRIVERVERSION: if (!arg) return -EINVAL; - put_user(DRIVER_VERSION, (unsigned long __user *)arg); + if (put_user(DRIVER_VERSION, (unsigned long __user *)arg)) + return -EFAULT; return 0; case IDAGETPCIINFO: { @@ -1192,6 +1211,19 @@ out_passthru: } } + +static int ida_ioctl(struct block_device *bdev, fmode_t mode, + unsigned int cmd, unsigned long param) +{ + int ret; + + lock_kernel(); + ret = ida_locked_ioctl(bdev, mode, cmd, param); + unlock_kernel(); + + return ret; +} + /* * ida_ctlr_ioctl is for passing commands to the controller from userspace. * The command block (io) has already been copied to kernel space for us, @@ -1225,17 +1257,11 @@ static int ida_ctlr_ioctl(ctlr_info_t *h, int dsk, ida_ioctl_t *io) /* Pre submit processing */ switch(io->cmd) { case PASSTHRU_A: - p = kmalloc(io->sg[0].size, GFP_KERNEL); - if (!p) - { - error = -ENOMEM; - cmd_free(h, c, 0); - return(error); - } - if (copy_from_user(p, io->sg[0].addr, io->sg[0].size)) { - kfree(p); - cmd_free(h, c, 0); - return -EFAULT; + p = memdup_user(io->sg[0].addr, io->sg[0].size); + if (IS_ERR(p)) { + error = PTR_ERR(p); + cmd_free(h, c, 0); + return error; } c->req.hdr.blk = pci_map_single(h->pci_dev, &(io->c), sizeof(ida_ioctl_t), @@ -1266,18 +1292,12 @@ static int ida_ctlr_ioctl(ctlr_info_t *h, int dsk, ida_ioctl_t *io) case DIAG_PASS_THRU: case COLLECT_BUFFER: case WRITE_FLASH_ROM: - p = kmalloc(io->sg[0].size, GFP_KERNEL); - if (!p) - { - error = -ENOMEM; - cmd_free(h, c, 0); - return(error); + p = memdup_user(io->sg[0].addr, io->sg[0].size); + if (IS_ERR(p)) { + error = PTR_ERR(p); + cmd_free(h, c, 0); + return error; } - if (copy_from_user(p, io->sg[0].addr, io->sg[0].size)) { - kfree(p); - cmd_free(h, c, 0); - return -EFAULT; - } c->req.sg[0].size = io->sg[0].size; c->req.sg[0].addr = pci_map_single(h->pci_dev, p, c->req.sg[0].size, PCI_DMA_BIDIRECTIONAL); diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c index df01899..9400845 100644 --- a/drivers/block/drbd/drbd_actlog.c +++ b/drivers/block/drbd/drbd_actlog.c @@ -79,8 +79,8 @@ static int _drbd_md_sync_page_io(struct drbd_conf *mdev, md_io.error = 0; if ((rw & WRITE) && !test_bit(MD_NO_BARRIER, &mdev->flags)) - rw |= (1 << BIO_RW_BARRIER); - rw |= ((1<<BIO_RW_UNPLUG) | (1<<BIO_RW_SYNCIO)); + rw |= REQ_HARDBARRIER; + rw |= REQ_UNPLUG | REQ_SYNC; retry: bio = bio_alloc(GFP_NOIO, 1); @@ -103,11 +103,11 @@ static int _drbd_md_sync_page_io(struct drbd_conf *mdev, /* check for unsupported barrier op. * would rather check on EOPNOTSUPP, but that is not reliable. * don't try again for ANY return value != 0 */ - if (unlikely(bio_rw_flagged(bio, BIO_RW_BARRIER) && !ok)) { + if (unlikely((bio->bi_rw & REQ_HARDBARRIER) && !ok)) { /* Try again with no barrier */ dev_warn(DEV, "Barriers not supported on meta data device - disabling\n"); set_bit(MD_NO_BARRIER, &mdev->flags); - rw &= ~(1 << BIO_RW_BARRIER); + rw &= ~REQ_HARDBARRIER; bio_put(bio); goto retry; } diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index 485ed8c..352441b 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -550,12 +550,6 @@ struct p_delay_probe { u32 offset; /* usecs the probe got sent after the reference time point */ } __packed; -struct delay_probe { - struct list_head list; - unsigned int seq_num; - struct timeval time; -}; - /* DCBP: Drbd Compressed Bitmap Packet ... */ static inline enum drbd_bitmap_code DCBP_get_code(struct p_compressed_bm *p) @@ -942,11 +936,9 @@ struct drbd_conf { unsigned int ko_count; struct drbd_work resync_work, unplug_work, - md_sync_work, - delay_probe_work; + md_sync_work; struct timer_list resync_timer; struct timer_list md_sync_timer; - struct timer_list delay_probe_timer; /* Used after attach while negotiating new disk state. */ union drbd_state new_state_tmp; @@ -1062,12 +1054,6 @@ struct drbd_conf { u64 ed_uuid; /* UUID of the exposed data */ struct mutex state_mutex; char congestion_reason; /* Why we where congested... */ - struct list_head delay_probes; /* protected by peer_seq_lock */ - int data_delay; /* Delay of packets on the data-sock behind meta-sock */ - unsigned int delay_seq; /* To generate sequence numbers of delay probes */ - struct timeval dps_time; /* delay-probes-start-time */ - unsigned int dp_volume_last; /* send_cnt of last delay probe */ - int c_sync_rate; /* current resync rate after delay_probe magic */ }; static inline struct drbd_conf *minor_to_mdev(unsigned int minor) diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 7258c95..fa650dd 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -2184,43 +2184,6 @@ int drbd_send_ov_request(struct drbd_conf *mdev, sector_t sector, int size) return ok; } -static int drbd_send_delay_probe(struct drbd_conf *mdev, struct drbd_socket *ds) -{ - struct p_delay_probe dp; - int offset, ok = 0; - struct timeval now; - - mutex_lock(&ds->mutex); - if (likely(ds->socket)) { - do_gettimeofday(&now); - offset = now.tv_usec - mdev->dps_time.tv_usec + - (now.tv_sec - mdev->dps_time.tv_sec) * 1000000; - dp.seq_num = cpu_to_be32(mdev->delay_seq); - dp.offset = cpu_to_be32(offset); - - ok = _drbd_send_cmd(mdev, ds->socket, P_DELAY_PROBE, - (struct p_header *)&dp, sizeof(dp), 0); - } - mutex_unlock(&ds->mutex); - - return ok; -} - -static int drbd_send_delay_probes(struct drbd_conf *mdev) -{ - int ok; - - mdev->delay_seq++; - do_gettimeofday(&mdev->dps_time); - ok = drbd_send_delay_probe(mdev, &mdev->meta); - ok = ok && drbd_send_delay_probe(mdev, &mdev->data); - - mdev->dp_volume_last = mdev->send_cnt; - mod_timer(&mdev->delay_probe_timer, jiffies + mdev->sync_conf.dp_interval * HZ / 10); - - return ok; -} - /* called on sndtimeo * returns FALSE if we should retry, * TRUE if we think connection is dead @@ -2369,31 +2332,6 @@ static int _drbd_send_zc_ee(struct drbd_conf *mdev, struct drbd_epoch_entry *e) return 1; } -static void consider_delay_probes(struct drbd_conf *mdev) -{ - if (mdev->state.conn != C_SYNC_SOURCE || mdev->agreed_pro_version < 93) - return; - - if (mdev->dp_volume_last + mdev->sync_conf.dp_volume * 2 < mdev->send_cnt) - drbd_send_delay_probes(mdev); -} - -static int w_delay_probes(struct drbd_conf *mdev, struct drbd_work *w, int cancel) -{ - if (!cancel && mdev->state.conn == C_SYNC_SOURCE) - drbd_send_delay_probes(mdev); - - return 1; -} - -static void delay_probe_timer_fn(unsigned long data) -{ - struct drbd_conf *mdev = (struct drbd_conf *) data; - - if (list_empty(&mdev->delay_probe_work.list)) - drbd_queue_work(&mdev->data.work, &mdev->delay_probe_work); -} - /* Used to send write requests * R_PRIMARY -> Peer (P_DATA) */ @@ -2425,15 +2363,15 @@ int drbd_send_dblock(struct drbd_conf *mdev, struct drbd_request *req) /* NOTE: no need to check if barriers supported here as we would * not pass the test in make_request_common in that case */ - if (bio_rw_flagged(req->master_bio, BIO_RW_BARRIER)) { + if (req->master_bio->bi_rw & REQ_HARDBARRIER) { dev_err(DEV, "ASSERT FAILED would have set DP_HARDBARRIER\n"); /* dp_flags |= DP_HARDBARRIER; */ } - if (bio_rw_flagged(req->master_bio, BIO_RW_SYNCIO)) + if (req->master_bio->bi_rw & REQ_SYNC) dp_flags |= DP_RW_SYNC; /* for now handle SYNCIO and UNPLUG * as if they still were one and the same flag */ - if (bio_rw_flagged(req->master_bio, BIO_RW_UNPLUG)) + if (req->master_bio->bi_rw & REQ_UNPLUG) dp_flags |= DP_RW_SYNC; if (mdev->state.conn >= C_SYNC_SOURCE && mdev->state.conn <= C_PAUSED_SYNC_T) @@ -2457,9 +2395,6 @@ int drbd_send_dblock(struct drbd_conf *mdev, struct drbd_request *req) drbd_put_data_sock(mdev); - if (ok) - consider_delay_probes(mdev); - return ok; } @@ -2506,9 +2441,6 @@ int drbd_send_block(struct drbd_conf *mdev, enum drbd_packets cmd, drbd_put_data_sock(mdev); - if (ok) - consider_delay_probes(mdev); - return ok; } @@ -2604,6 +2536,7 @@ static int drbd_open(struct block_device *bdev, fmode_t mode) unsigned long flags; int rv = 0; + lock_kernel(); spin_lock_irqsave(&mdev->req_lock, flags); /* to have a stable mdev->state.role * and no race with updating open_cnt */ @@ -2618,6 +2551,7 @@ static int drbd_open(struct block_device *bdev, fmode_t mode) if (!rv) mdev->open_cnt++; spin_unlock_irqrestore(&mdev->req_lock, flags); + unlock_kernel(); return rv; } @@ -2625,7 +2559,9 @@ static int drbd_open(struct block_device *bdev, fmode_t mode) static int drbd_release(struct gendisk *gd, fmode_t mode) { struct drbd_conf *mdev = gd->private_data; + lock_kernel(); mdev->open_cnt--; + unlock_kernel(); return 0; } @@ -2660,9 +2596,20 @@ static void drbd_unplug_fn(struct request_queue *q) static void drbd_set_defaults(struct drbd_conf *mdev) { - mdev->sync_conf.after = DRBD_AFTER_DEF; - mdev->sync_conf.rate = DRBD_RATE_DEF; - mdev->sync_conf.al_extents = DRBD_AL_EXTENTS_DEF; + /* This way we get a compile error when sync_conf grows, + and we forgot to initialize it here */ + mdev->sync_conf = (struct syncer_conf) { + /* .rate = */ DRBD_RATE_DEF, + /* .after = */ DRBD_AFTER_DEF, + /* .al_extents = */ DRBD_AL_EXTENTS_DEF, + /* .verify_alg = */ {}, 0, + /* .cpu_mask = */ {}, 0, + /* .csums_alg = */ {}, 0, + /* .use_rle = */ 0 + }; + + /* Have to use that way, because the layout differs between + big endian and little endian */ mdev->state = (union drbd_state) { { .role = R_SECONDARY, .peer = R_UNKNOWN, @@ -2721,24 +2668,17 @@ void drbd_init_set_defaults(struct drbd_conf *mdev) INIT_LIST_HEAD(&mdev->unplug_work.list); INIT_LIST_HEAD(&mdev->md_sync_work.list); INIT_LIST_HEAD(&mdev->bm_io_work.w.list); - INIT_LIST_HEAD(&mdev->delay_probes); - INIT_LIST_HEAD(&mdev->delay_probe_work.list); mdev->resync_work.cb = w_resync_inactive; mdev->unplug_work.cb = w_send_write_hint; mdev->md_sync_work.cb = w_md_sync; mdev->bm_io_work.w.cb = w_bitmap_io; - mdev->delay_probe_work.cb = w_delay_probes; init_timer(&mdev->resync_timer); init_timer(&mdev->md_sync_timer); - init_timer(&mdev->delay_probe_timer); mdev->resync_timer.function = resync_timer_fn; mdev->resync_timer.data = (unsigned long) mdev; mdev->md_sync_timer.function = md_sync_timer_fn; mdev->md_sync_timer.data = (unsigned long) mdev; - mdev->delay_probe_timer.function = delay_probe_timer_fn; - mdev->delay_probe_timer.data = (unsigned long) mdev; - init_waitqueue_head(&mdev->misc_wait); init_waitqueue_head(&mdev->state_wait); diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 2151f18..73131c5 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -1557,10 +1557,6 @@ static int drbd_nl_syncer_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *n sc.rate = DRBD_RATE_DEF; sc.after = DRBD_AFTER_DEF; sc.al_extents = DRBD_AL_EXTENTS_DEF; - sc.dp_volume = DRBD_DP_VOLUME_DEF; - sc.dp_interval = DRBD_DP_INTERVAL_DEF; - sc.throttle_th = DRBD_RS_THROTTLE_TH_DEF; - sc.hold_off_th = DRBD_RS_HOLD_OFF_TH_DEF; } else memcpy(&sc, &mdev->sync_conf, sizeof(struct syncer_conf)); diff --git a/drivers/block/drbd/drbd_proc.c b/drivers/block/drbd/drbd_proc.c index d0f1767..be3374b 100644 --- a/drivers/block/drbd/drbd_proc.c +++ b/drivers/block/drbd/drbd_proc.c @@ -73,21 +73,14 @@ static void drbd_syncer_progress(struct drbd_conf *mdev, struct seq_file *seq) seq_printf(seq, "sync'ed:%3u.%u%% ", res / 10, res % 10); /* if more than 1 GB display in MB */ if (mdev->rs_total > 0x100000L) - seq_printf(seq, "(%lu/%lu)M", + seq_printf(seq, "(%lu/%lu)M\n\t", (unsigned long) Bit2KB(rs_left >> 10), (unsigned long) Bit2KB(mdev->rs_total >> 10)); else - seq_printf(seq, "(%lu/%lu)K", + seq_printf(seq, "(%lu/%lu)K\n\t", (unsigned long) Bit2KB(rs_left), (unsigned long) Bit2KB(mdev->rs_total)); - if (mdev->state.conn == C_SYNC_TARGET) - seq_printf(seq, " queue_delay: %d.%d ms\n\t", - mdev->data_delay / 1000, - (mdev->data_delay % 1000) / 100); - else if (mdev->state.conn == C_SYNC_SOURCE) - seq_printf(seq, " delay_probe: %u\n\t", mdev->delay_seq); - /* see drivers/md/md.c * We do not want to overflow, so the order of operands and * the * 100 / 100 trick are important. We do a +1 to be @@ -135,14 +128,6 @@ static void drbd_syncer_progress(struct drbd_conf *mdev, struct seq_file *seq) else seq_printf(seq, " (%ld)", dbdt); - if (mdev->state.conn == C_SYNC_TARGET) { - if (mdev->c_sync_rate > 1000) - seq_printf(seq, " want: %d,%03d", - mdev->c_sync_rate / 1000, mdev->c_sync_rate % 1000); - else - seq_printf(seq, " want: %d", mdev->c_sync_rate); - } - seq_printf(seq, " K/sec\n"); } diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index ec1711f..081522d 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -1180,7 +1180,7 @@ next_bio: bio->bi_sector = sector; bio->bi_bdev = mdev->ldev->backing_bdev; /* we special case some flags in the multi-bio case, see below - * (BIO_RW_UNPLUG, BIO_RW_BARRIER) */ + * (REQ_UNPLUG, REQ_HARDBARRIER) */ bio->bi_rw = rw; bio->bi_private = e; bio->bi_end_io = drbd_endio_sec; @@ -1209,16 +1209,16 @@ next_bio: bios = bios->bi_next; bio->bi_next = NULL; - /* strip off BIO_RW_UNPLUG unless it is the last bio */ + /* strip off REQ_UNPLUG unless it is the last bio */ if (bios) - bio->bi_rw &= ~(1<<BIO_RW_UNPLUG); + bio->bi_rw &= ~REQ_UNPLUG; drbd_generic_make_request(mdev, fault_type, bio); - /* strip off BIO_RW_BARRIER, + /* strip off REQ_HARDBARRIER, * unless it is the first or last bio */ if (bios && bios->bi_next) - bios->bi_rw &= ~(1<<BIO_RW_BARRIER); + bios->bi_rw &= ~REQ_HARDBARRIER; } while (bios); maybe_kick_lo(mdev); return 0; @@ -1233,7 +1233,7 @@ fail: } /** - * w_e_reissue() - Worker callback; Resubmit a bio, without BIO_RW_BARRIER set + * w_e_reissue() - Worker callback; Resubmit a bio, without REQ_HARDBARRIER set * @mdev: DRBD device. * @w: work object. * @cancel: The connection will be closed anyways (unused in this callback) @@ -1245,7 +1245,7 @@ int w_e_reissue(struct drbd_conf *mdev, struct drbd_work *w, int cancel) __relea (and DE_BARRIER_IN_NEXT_EPOCH_ISSUED in the previous Epoch) so that we can finish that epoch in drbd_may_finish_epoch(). That is necessary if we already have a long chain of Epochs, before - we realize that BIO_RW_BARRIER is actually not supported */ + we realize that REQ_HARDBARRIER is actually not supported */ /* As long as the -ENOTSUPP on the barrier is reported immediately that will never trigger. If it is reported late, we will just @@ -1824,14 +1824,14 @@ static int receive_Data(struct drbd_conf *mdev, struct p_header *h) epoch = list_entry(e->epoch->list.prev, struct drbd_epoch, list); if (epoch == e->epoch) { set_bit(DE_CONTAINS_A_BARRIER, &e->epoch->flags); - rw |= (1<<BIO_RW_BARRIER); + rw |= REQ_HARDBARRIER; e->flags |= EE_IS_BARRIER; } else { if (atomic_read(&epoch->epoch_size) > 1 || !test_bit(DE_CONTAINS_A_BARRIER, &epoch->flags)) { set_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &epoch->flags); set_bit(DE_CONTAINS_A_BARRIER, &e->epoch->flags); - rw |= (1<<BIO_RW_BARRIER); + rw |= REQ_HARDBARRIER; e->flags |= EE_IS_BARRIER; } } @@ -1841,10 +1841,10 @@ static int receive_Data(struct drbd_conf *mdev, struct p_header *h) dp_flags = be32_to_cpu(p->dp_flags); if (dp_flags & DP_HARDBARRIER) { dev_err(DEV, "ASSERT FAILED would have submitted barrier request\n"); - /* rw |= (1<<BIO_RW_BARRIER); */ + /* rw |= REQ_HARDBARRIER; */ } if (dp_flags & DP_RW_SYNC) - rw |= (1<<BIO_RW_SYNCIO) | (1<<BIO_RW_UNPLUG); + rw |= REQ_SYNC | REQ_UNPLUG; if (dp_flags & DP_MAY_SET_IN_SYNC) e->flags |= EE_MAY_SET_IN_SYNC; @@ -3555,14 +3555,15 @@ static int receive_bitmap(struct drbd_conf *mdev, struct p_header *h) return ok; } -static int receive_skip(struct drbd_conf *mdev, struct p_header *h) +static int receive_skip_(struct drbd_conf *mdev, struct p_header *h, int silent) { /* TODO zero copy sink :) */ static char sink[128]; int size, want, r; - dev_warn(DEV, "skipping unknown optional packet type %d, l: %d!\n", - h->command, h->length); + if (!silent) + dev_warn(DEV, "skipping unknown optional packet type %d, l: %d!\n", + h->command, h->length); size = h->length; while (size > 0) { @@ -3574,101 +3575,25 @@ static int receive_skip(struct drbd_conf *mdev, struct p_header *h) return size == 0; } -static int receive_UnplugRemote(struct drbd_conf *mdev, struct p_header *h) -{ - if (mdev->state.disk >= D_INCONSISTENT) - drbd_kick_lo(mdev); - - /* Make sure we've acked all the TCP data associated - * with the data requests being unplugged */ - drbd_tcp_quickack(mdev->data.socket); - - return TRUE; -} - -static void timeval_sub_us(struct timeval* tv, unsigned int us) +static int receive_skip(struct drbd_conf *mdev, struct p_header *h) { - tv->tv_sec -= us / 1000000; - us = us % 1000000; - if (tv->tv_usec > us) { - tv->tv_usec += 1000000; - tv->tv_sec--; - } - tv->tv_usec -= us; + return receive_skip_(mdev, h, 0); } -static void got_delay_probe(struct drbd_conf *mdev, int from, struct p_delay_probe *p) +static int receive_skip_silent(struct drbd_conf *mdev, struct p_header *h) { - struct delay_probe *dp; - struct list_head *le; - struct timeval now; - int seq_num; - int offset; - int data_delay; - - seq_num = be32_to_cpu(p->seq_num); - offset = be32_to_cpu(p->offset); - - spin_lock(&mdev->peer_seq_lock); - if (!list_empty(&mdev->delay_probes)) { - if (from == USE_DATA_SOCKET) - le = mdev->delay_probes.next; - else - le = mdev->delay_probes.prev; - - dp = list_entry(le, struct delay_probe, list); - - if (dp->seq_num == seq_num) { - list_del(le); - spin_unlock(&mdev->peer_seq_lock); - do_gettimeofday(&now); - timeval_sub_us(&now, offset); - data_delay = - now.tv_usec - dp->time.tv_usec + - (now.tv_sec - dp->time.tv_sec) * 1000000; - - if (data_delay > 0) - mdev->data_delay = data_delay; - - kfree(dp); - return; - } - - if (dp->seq_num > seq_num) { - spin_unlock(&mdev->peer_seq_lock); - dev_warn(DEV, "Previous allocation failure of struct delay_probe?\n"); - return; /* Do not alloca a struct delay_probe.... */ - } - } - spin_unlock(&mdev->peer_seq_lock); - - dp = kmalloc(sizeof(struct delay_probe), GFP_NOIO); - if (!dp) { - dev_warn(DEV, "Failed to allocate a struct delay_probe, do not worry.\n"); - return; - } - - dp->seq_num = seq_num; - do_gettimeofday(&dp->time); - timeval_sub_us(&dp->time, offset); - - spin_lock(&mdev->peer_seq_lock); - if (from == USE_DATA_SOCKET) - list_add(&dp->list, &mdev->delay_probes); - else - list_add_tail(&dp->list, &mdev->delay_probes); - spin_unlock(&mdev->peer_seq_lock); + return receive_skip_(mdev, h, 1); } -static int receive_delay_probe(struct drbd_conf *mdev, struct p_header *h) +static int receive_UnplugRemote(struct drbd_conf *mdev, struct p_header *h) { - struct p_delay_probe *p = (struct p_delay_probe *)h; + if (mdev->state.disk >= D_INCONSISTENT) + drbd_kick_lo(mdev); - ERR_IF(h->length != (sizeof(*p)-sizeof(*h))) return FALSE; - if (drbd_recv(mdev, h->payload, h->length) != h->length) - return FALSE; + /* Make sure we've acked all the TCP data associated + * with the data requests being unplugged */ + drbd_tcp_quickack(mdev->data.socket); - got_delay_probe(mdev, USE_DATA_SOCKET, p); return TRUE; } @@ -3695,7 +3620,7 @@ static drbd_cmd_handler_f drbd_default_handler[] = { [P_OV_REQUEST] = receive_DataRequest, [P_OV_REPLY] = receive_DataRequest, [P_CSUM_RS_REQUEST] = receive_DataRequest, - [P_DELAY_PROBE] = receive_delay_probe, + [P_DELAY_PROBE] = receive_skip_silent, /* anything missing from this table is in * the asender_tbl, see get_asender_cmd */ [P_MAX_CMD] = NULL, @@ -4472,11 +4397,9 @@ static int got_OVResult(struct drbd_conf *mdev, struct p_header *h) return TRUE; } -static int got_delay_probe_m(struct drbd_conf *mdev, struct p_header *h) +static int got_something_to_ignore_m(struct drbd_conf *mdev, struct p_header *h) { - struct p_delay_probe *p = (struct p_delay_probe *)h; - - got_delay_probe(mdev, USE_META_SOCKET, p); + /* IGNORE */ return TRUE; } @@ -4504,7 +4427,7 @@ static struct asender_cmd *get_asender_cmd(int cmd) [P_BARRIER_ACK] = { sizeof(struct p_barrier_ack), got_BarrierAck }, [P_STATE_CHG_REPLY] = { sizeof(struct p_req_state_reply), got_RqSReply }, [P_RS_IS_IN_SYNC] = { sizeof(struct p_block_ack), got_IsInSync }, - [P_DELAY_PROBE] = { sizeof(struct p_delay_probe), got_delay_probe_m }, + [P_DELAY_PROBE] = { sizeof(struct p_delay_probe), got_something_to_ignore_m }, [P_MAX_CMD] = { 0, NULL }, }; if (cmd > P_MAX_CMD || asender_tbl[cmd].process == NULL) diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c index 654f1ef..f761d98 100644 --- a/drivers/block/drbd/drbd_req.c +++ b/drivers/block/drbd/drbd_req.c @@ -997,7 +997,7 @@ int drbd_make_request_26(struct request_queue *q, struct bio *bio) * because of those XXX, this is not yet enabled, * i.e. in drbd_init_set_defaults we set the NO_BARRIER_SUPP bit. */ - if (unlikely(bio_rw_flagged(bio, BIO_RW_BARRIER) && test_bit(NO_BARRIER_SUPP, &mdev->flags))) { + if (unlikely(bio->bi_rw & REQ_HARDBARRIER) && test_bit(NO_BARRIER_SUPP, &mdev->flags)) { /* dev_warn(DEV, "Rejecting barrier request as underlying device does not support\n"); */ bio_endio(bio, -EOPNOTSUPP); return 0; diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c index b623cee..ca4a16c 100644 --- a/drivers/block/drbd/drbd_worker.c +++ b/drivers/block/drbd/drbd_worker.c @@ -424,18 +424,6 @@ void resync_timer_fn(unsigned long data) drbd_queue_work(&mdev->data.work, &mdev->resync_work); } -static int calc_resync_rate(struct drbd_conf *mdev) -{ - int d = mdev->data_delay / 1000; /* us -> ms */ - int td = mdev->sync_conf.throttle_th * 100; /* 0.1s -> ms */ - int hd = mdev->sync_conf.hold_off_th * 100; /* 0.1s -> ms */ - int cr = mdev->sync_conf.rate; - - return d <= td ? cr : - d >= hd ? 0 : - cr + (cr * (td - d) / (hd - td)); -} - int w_make_resync_request(struct drbd_conf *mdev, struct drbd_work *w, int cancel) { @@ -473,8 +461,7 @@ int w_make_resync_request(struct drbd_conf *mdev, max_segment_size = mdev->agreed_pro_version < 94 ? queue_max_segment_size(mdev->rq_queue) : DRBD_MAX_SEGMENT_SIZE; - mdev->c_sync_rate = calc_resync_rate(mdev); - number = SLEEP_TIME * mdev->c_sync_rate / ((BM_BLOCK_SIZE / 1024) * HZ); + number = SLEEP_TIME * mdev->sync_conf.rate / ((BM_BLOCK_SIZE / 1024) * HZ); pe = atomic_read(&mdev->rs_pending_cnt); mutex_lock(&mdev->data.mutex); diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 90c4038..cf04c1b 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -178,6 +178,7 @@ static int print_unex = 1; #include <linux/slab.h> #include <linux/mm.h> #include <linux/bio.h> +#include <linux/smp_lock.h> #include <linux/string.h> #include <linux/jiffies.h> #include <linux/fcntl.h> @@ -514,8 +515,6 @@ static unsigned long fdc_busy; static DECLARE_WAIT_QUEUE_HEAD(fdc_wait); static DECLARE_WAIT_QUEUE_HEAD(command_done); -#define NO_SIGNAL (!interruptible || !signal_pending(current)) - /* Errors during formatting are counted here. */ static int format_errors; @@ -539,7 +538,7 @@ static int max_buffer_sectors; static int *errors; typedef void (*done_f)(int); -static struct cont_t { +static const struct cont_t { void (*interrupt)(void); /* this is called after the interrupt of the * main command */ @@ -578,7 +577,7 @@ static void reset_fdc(void); #define NEED_1_RECAL -2 #define NEED_2_RECAL -3 -static int usage_count; +static atomic_t usage_count = ATOMIC_INIT(0); /* buffer related variables */ static int buffer_track = -1; @@ -858,36 +857,15 @@ static void set_fdc(int drive) } /* locks the driver */ -static int _lock_fdc(int drive, bool interruptible, int line) +static int lock_fdc(int drive, bool interruptible) { - if (!usage_count) { - pr_err("Trying to lock fdc while usage count=0 at line %d\n", - line); + if (WARN(atomic_read(&usage_count) == 0, + "Trying to lock fdc while usage count=0\n")) return -1; - } - - if (test_and_set_bit(0, &fdc_busy)) { - DECLARE_WAITQUEUE(wait, current); - add_wait_queue(&fdc_wait, &wait); - - for (;;) { - set_current_state(TASK_INTERRUPTIBLE); - - if (!test_and_set_bit(0, &fdc_busy)) - break; - schedule(); - - if (!NO_SIGNAL) { - remove_wait_queue(&fdc_wait, &wait); - return -EINTR; - } - } + if (wait_event_interruptible(fdc_wait, !test_and_set_bit(0, &fdc_busy))) + return -EINTR; - set_current_state(TASK_RUNNING); - remove_wait_queue(&fdc_wait, &wait); - flush_scheduled_work(); - } command_status = FD_COMMAND_NONE; __reschedule_timeout(drive, "lock fdc"); @@ -895,11 +873,8 @@ static int _lock_fdc(int drive, bool interruptible, int line) return 0; } -#define lock_fdc(drive, interruptible) \ - _lock_fdc(drive, interruptible, __LINE__) - /* unlocks the driver */ -static inline void unlock_fdc(void) +static void unlock_fdc(void) { unsigned long flags; @@ -1224,7 +1199,7 @@ static int need_more_output(void) /* Set perpendicular mode as required, based on data rate, if supported. * 82077 Now tested. 1Mbps data rate only possible with 82077-1. */ -static inline void perpendicular_mode(void) +static void perpendicular_mode(void) { unsigned char perp_mode; @@ -1995,14 +1970,14 @@ static void do_wakeup(void) wake_up(&command_done); } -static struct cont_t wakeup_cont = { +static const struct cont_t wakeup_cont = { .interrupt = empty, .redo = do_wakeup, .error = empty, .done = (done_f)empty }; -static struct cont_t intr_cont = { +static const struct cont_t intr_cont = { .interrupt = empty, .redo = process_fd_request, .error = empty, @@ -2015,25 +1990,10 @@ static int wait_til_done(void (*handler)(void), bool interruptible) schedule_bh(handler); - if (command_status < 2 && NO_SIGNAL) { - DECLARE_WAITQUEUE(wait, current); - - add_wait_queue(&command_done, &wait); - for (;;) { - set_current_state(interruptible ? - TASK_INTERRUPTIBLE : - TASK_UNINTERRUPTIBLE); - - if (command_status >= 2 || !NO_SIGNAL) - break; - - is_alive(__func__, ""); - schedule(); - } - - set_current_state(TASK_RUNNING); - remove_wait_queue(&command_done, &wait); - } + if (interruptible) + wait_event_interruptible(command_done, command_status >= 2); + else + wait_event(command_done, command_status >= 2); if (command_status < 2) { cancel_activity(); @@ -2223,7 +2183,7 @@ static void redo_format(void) debugt(__func__, "queue format request"); } -static struct cont_t format_cont = { +static const struct cont_t format_cont = { .interrupt = format_interrupt, .redo = redo_format, .error = bad_flp_intr, @@ -2583,10 +2543,8 @@ static int make_raw_rw_request(void) int tracksize; int ssize; - if (max_buffer_sectors == 0) { - pr_info("VFS: Block I/O scheduled on unopened device\n"); + if (WARN(max_buffer_sectors == 0, "VFS: Block I/O scheduled on unopened device\n")) return 0; - } set_fdc((long)current_req->rq_disk->private_data); @@ -2921,7 +2879,7 @@ do_request: return; } -static struct cont_t rw_cont = { +static const struct cont_t rw_cont = { .interrupt = rw_interrupt, .redo = redo_fd_request, .error = bad_flp_intr, @@ -2936,19 +2894,16 @@ static void process_fd_request(void) static void do_fd_request(struct request_queue *q) { - if (max_buffer_sectors == 0) { - pr_info("VFS: %s called on non-open device\n", __func__); + if (WARN(max_buffer_sectors == 0, + "VFS: %s called on non-open device\n", __func__)) return; - } - if (usage_count == 0) { - pr_info("warning: usage count=0, current_req=%p exiting\n", - current_req); - pr_info("sect=%ld type=%x flags=%x\n", - (long)blk_rq_pos(current_req), current_req->cmd_type, - current_req->cmd_flags); + if (WARN(atomic_read(&usage_count) == 0, + "warning: usage count=0, current_req=%p sect=%ld type=%x flags=%x\n", + current_req, (long)blk_rq_pos(current_req), current_req->cmd_type, + current_req->cmd_flags)) return; - } + if (test_bit(0, &fdc_busy)) { /* fdc busy, this new request will be treated when the current one is done */ @@ -2960,7 +2915,7 @@ static void do_fd_request(struct request_queue *q) is_alive(__func__, ""); } -static struct cont_t poll_cont = { +static const struct cont_t poll_cont = { .interrupt = success_and_wakeup, .redo = floppy_ready, .error = generic_failure, @@ -2991,7 +2946,7 @@ static void reset_intr(void) pr_info("weird, reset interrupt called\n"); } -static struct cont_t reset_cont = { +static const struct cont_t reset_cont = { .interrupt = reset_intr, .redo = success_and_wakeup, .error = generic_failure, @@ -3033,7 +2988,7 @@ static inline int fd_copyin(void __user *param, void *address, return copy_from_user(address, param, size) ? -EFAULT : 0; } -static inline const char *drive_name(int type, int drive) +static const char *drive_name(int type, int drive) { struct floppy_struct *floppy; @@ -3096,14 +3051,14 @@ static void raw_cmd_done(int flag) generic_done(flag); } -static struct cont_t raw_cmd_cont = { +static const struct cont_t raw_cmd_cont = { .interrupt = success_and_wakeup, .redo = floppy_start, .error = generic_failure, .done = raw_cmd_done }; -static inline int raw_cmd_copyout(int cmd, void __user *param, +static int raw_cmd_copyout(int cmd, void __user *param, struct floppy_raw_cmd *ptr) { int ret; @@ -3148,7 +3103,7 @@ static void raw_cmd_free(struct floppy_raw_cmd **ptr) } } -static inline int raw_cmd_copyin(int cmd, void __user *param, +static int raw_cmd_copyin(int cmd, void __user *param, struct floppy_raw_cmd **rcmd) { struct floppy_raw_cmd *ptr; @@ -3266,7 +3221,7 @@ static int invalidate_drive(struct block_device *bdev) return 0; } -static inline int set_geometry(unsigned int cmd, struct floppy_struct *g, +static int set_geometry(unsigned int cmd, struct floppy_struct *g, int drive, int type, struct block_device *bdev) { int cnt; @@ -3337,7 +3292,7 @@ static inline int set_geometry(unsigned int cmd, struct floppy_struct *g, } /* handle obsolete ioctl's */ -static int ioctl_table[] = { +static unsigned int ioctl_table[] = { FDCLRPRM, FDSETPRM, FDDEFPRM, @@ -3365,7 +3320,7 @@ static int ioctl_table[] = { FDTWADDLE }; -static inline int normalize_ioctl(int *cmd, int *size) +static int normalize_ioctl(unsigned int *cmd, int *size) { int i; @@ -3417,7 +3372,7 @@ static int fd_getgeo(struct block_device *bdev, struct hd_geometry *geo) return 0; } -static int fd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, +static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long param) { int drive = (long)bdev->bd_disk->private_data; @@ -3593,6 +3548,18 @@ static int fd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, return 0; } +static int fd_ioctl(struct block_device *bdev, fmode_t mode, + unsigned int cmd, unsigned long param) +{ + int ret; + + lock_kernel(); + ret = fd_locked_ioctl(bdev, mode, cmd, param); + unlock_kernel(); + + return ret; +} + static void __init config_types(void) { bool has_drive = false; @@ -3649,6 +3616,7 @@ static int floppy_release(struct gendisk *disk, fmode_t mode) { int drive = (long)disk->private_data; + lock_kernel(); mutex_lock(&open_lock); if (UDRS->fd_ref < 0) UDRS->fd_ref = 0; @@ -3659,6 +3627,7 @@ static int floppy_release(struct gendisk *disk, fmode_t mode) if (!UDRS->fd_ref) opened_bdev[drive] = NULL; mutex_unlock(&open_lock); + unlock_kernel(); return 0; } @@ -3676,6 +3645,7 @@ static int floppy_open(struct block_device *bdev, fmode_t mode) int res = -EBUSY; char *tmp; + lock_kernel(); mutex_lock(&open_lock); old_dev = UDRS->fd_device; if (opened_bdev[drive] && opened_bdev[drive] != bdev) @@ -3752,6 +3722,7 @@ static int floppy_open(struct block_device *bdev, fmode_t mode) goto out; } mutex_unlock(&open_lock); + unlock_kernel(); return 0; out: if (UDRS->fd_ref < 0) @@ -3762,6 +3733,7 @@ out: opened_bdev[drive] = NULL; out2: mutex_unlock(&open_lock); + unlock_kernel(); return res; } @@ -3829,6 +3801,7 @@ static int __floppy_read_block_0(struct block_device *bdev) bio.bi_size = size; bio.bi_bdev = bdev; bio.bi_sector = 0; + bio.bi_flags = BIO_QUIET; init_completion(&complete); bio.bi_private = &complete; bio.bi_end_io = floppy_rb0_complete; @@ -3857,10 +3830,10 @@ static int floppy_revalidate(struct gendisk *disk) if (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags) || test_bit(FD_VERIFY_BIT, &UDRS->flags) || test_bit(drive, &fake_change) || NO_GEOM) { - if (usage_count == 0) { - pr_info("VFS: revalidate called on non-open device.\n"); + if (WARN(atomic_read(&usage_count) == 0, + "VFS: revalidate called on non-open device.\n")) return -EFAULT; - } + lock_fdc(drive, false); cf = (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags) || test_bit(FD_VERIFY_BIT, &UDRS->flags)); @@ -3893,7 +3866,7 @@ static const struct block_device_operations floppy_fops = { .owner = THIS_MODULE, .open = floppy_open, .release = floppy_release, - .locked_ioctl = fd_ioctl, + .ioctl = fd_ioctl, .getgeo = fd_getgeo, .media_changed = check_floppy_change, .revalidate_disk = floppy_revalidate, @@ -4126,7 +4099,7 @@ static ssize_t floppy_cmos_show(struct device *dev, return sprintf(buf, "%X\n", UDP->cmos); } -DEVICE_ATTR(cmos, S_IRUGO, floppy_cmos_show, NULL); +static DEVICE_ATTR(cmos, S_IRUGO, floppy_cmos_show, NULL); static void floppy_device_release(struct device *dev) { @@ -4175,6 +4148,9 @@ static int __init floppy_init(void) int i, unit, drive; int err, dr; + set_debugt(); + interruptjiffies = resultjiffies = jiffies; + #if defined(CONFIG_PPC) if (check_legacy_ioport(FDC1)) return -ENODEV; @@ -4353,7 +4329,7 @@ out_unreg_platform_dev: platform_device_unregister(&floppy_device[drive]); out_flush_work: flush_scheduled_work(); - if (usage_count) + if (atomic_read(&usage_count)) floppy_release_irq_and_dma(); out_unreg_region: blk_unregister_region(MKDEV(FLOPPY_MAJOR, 0), 256); @@ -4370,8 +4346,6 @@ out_put_disk: return err; } -static DEFINE_SPINLOCK(floppy_usage_lock); - static const struct io_region { int offset; int size; @@ -4417,14 +4391,8 @@ static void floppy_release_regions(int fdc) static int floppy_grab_irq_and_dma(void) { - unsigned long flags; - - spin_lock_irqsave(&floppy_usage_lock, flags); - if (usage_count++) { - spin_unlock_irqrestore(&floppy_usage_lock, flags); + if (atomic_inc_return(&usage_count) > 1) return 0; - } - spin_unlock_irqrestore(&floppy_usage_lock, flags); /* * We might have scheduled a free_irq(), wait it to @@ -4435,9 +4403,7 @@ static int floppy_grab_irq_and_dma(void) if (fd_request_irq()) { DPRINT("Unable to grab IRQ%d for the floppy driver\n", FLOPPY_IRQ); - spin_lock_irqsave(&floppy_usage_lock, flags); - usage_count--; - spin_unlock_irqrestore(&floppy_usage_lock, flags); + atomic_dec(&usage_count); return -1; } if (fd_request_dma()) { @@ -4447,9 +4413,7 @@ static int floppy_grab_irq_and_dma(void) use_virtual_dma = can_use_virtual_dma = 1; if (!(can_use_virtual_dma & 1)) { fd_free_irq(); - spin_lock_irqsave(&floppy_usage_lock, flags); - usage_count--; - spin_unlock_irqrestore(&floppy_usage_lock, flags); + atomic_dec(&usage_count); return -1; } } @@ -4484,9 +4448,7 @@ cleanup: fd_free_dma(); while (--fdc >= 0) floppy_release_regions(fdc); - spin_lock_irqsave(&floppy_usage_lock, flags); - usage_count--; - spin_unlock_irqrestore(&floppy_usage_lock, flags); + atomic_dec(&usage_count); return -1; } @@ -4498,14 +4460,10 @@ static void floppy_release_irq_and_dma(void) #endif long tmpsize; unsigned long tmpaddr; - unsigned long flags; - spin_lock_irqsave(&floppy_usage_lock, flags); - if (--usage_count) { - spin_unlock_irqrestore(&floppy_usage_lock, flags); + if (!atomic_dec_and_test(&usage_count)) return; - } - spin_unlock_irqrestore(&floppy_usage_lock, flags); + if (irqdma_allocated) { fd_disable_dma(); fd_free_dma(); @@ -4598,7 +4556,7 @@ static void __exit floppy_module_exit(void) del_timer_sync(&fd_timer); blk_cleanup_queue(floppy_queue); - if (usage_count) + if (atomic_read(&usage_count)) floppy_release_irq_and_dma(); /* eject disk, if any */ diff --git a/drivers/block/hd.c b/drivers/block/hd.c index 81c78b3..30ec6b3 100644 --- a/drivers/block/hd.c +++ b/drivers/block/hd.c @@ -627,7 +627,7 @@ repeat: req_data_dir(req) == READ ? "read" : "writ", cyl, head, sec, nsect, req->buffer); #endif - if (blk_fs_request(req)) { + if (req->cmd_type == REQ_TYPE_FS) { switch (rq_data_dir(req)) { case READ: hd_out(disk, nsect, sec, head, cyl, ATA_CMD_PIO_READ, diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 6120922..f3c636d 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -67,6 +67,7 @@ #include <linux/compat.h> #include <linux/suspend.h> #include <linux/freezer.h> +#include <linux/smp_lock.h> #include <linux/writeback.h> #include <linux/buffer_head.h> /* for invalidate_bdev() */ #include <linux/completion.h> @@ -476,7 +477,7 @@ static int do_bio_filebacked(struct loop_device *lo, struct bio *bio) pos = ((loff_t) bio->bi_sector << 9) + lo->lo_offset; if (bio_rw(bio) == WRITE) { - bool barrier = bio_rw_flagged(bio, BIO_RW_BARRIER); + bool barrier = (bio->bi_rw & REQ_HARDBARRIER); struct file *file = lo->lo_backing_file; if (barrier) { @@ -831,7 +832,7 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode, lo->lo_queue->unplug_fn = loop_unplug; if (!(lo_flags & LO_FLAGS_READ_ONLY) && file->f_op->fsync) - blk_queue_ordered(lo->lo_queue, QUEUE_ORDERED_DRAIN, NULL); + blk_queue_ordered(lo->lo_queue, QUEUE_ORDERED_DRAIN); set_capacity(lo->lo_disk, size); bd_set_size(bdev, size << 9); @@ -1408,9 +1409,11 @@ static int lo_open(struct block_device *bdev, fmode_t mode) { struct loop_device *lo = bdev->bd_disk->private_data; + lock_kernel(); mutex_lock(&lo->lo_ctl_mutex); lo->lo_refcnt++; mutex_unlock(&lo->lo_ctl_mutex); + unlock_kernel(); return 0; } @@ -1420,6 +1423,7 @@ static int lo_release(struct gendisk *disk, fmode_t mode) struct loop_device *lo = disk->private_data; int err; + lock_kernel(); mutex_lock(&lo->lo_ctl_mutex); if (--lo->lo_refcnt) @@ -1444,6 +1448,7 @@ static int lo_release(struct gendisk *disk, fmode_t mode) out: mutex_unlock(&lo->lo_ctl_mutex); out_unlocked: + lock_kernel(); return 0; } diff --git a/drivers/block/mg_disk.c b/drivers/block/mg_disk.c index 28db925..b82c5ce 100644 --- a/drivers/block/mg_disk.c +++ b/drivers/block/mg_disk.c @@ -670,7 +670,7 @@ static void mg_request_poll(struct request_queue *q) break; } - if (unlikely(!blk_fs_request(host->req))) { + if (unlikely(host->req->cmd_type != REQ_TYPE_FS)) { mg_end_request_cur(host, -EIO); continue; } @@ -756,7 +756,7 @@ static void mg_request(struct request_queue *q) continue; } - if (unlikely(!blk_fs_request(req))) { + if (unlikely(req->cmd_type != REQ_TYPE_FS)) { mg_end_request_cur(host, -EIO); continue; } diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 16c3c86..0daa422 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -24,6 +24,7 @@ #include <linux/errno.h> #include <linux/file.h> #include <linux/ioctl.h> +#include <linux/smp_lock.h> #include <linux/compiler.h> #include <linux/err.h> #include <linux/kernel.h> @@ -448,7 +449,7 @@ static void nbd_clear_que(struct nbd_device *lo) static void nbd_handle_req(struct nbd_device *lo, struct request *req) { - if (!blk_fs_request(req)) + if (req->cmd_type != REQ_TYPE_FS) goto error_out; nbd_cmd(req) = NBD_CMD_READ; @@ -716,9 +717,11 @@ static int nbd_ioctl(struct block_device *bdev, fmode_t mode, dprintk(DBG_IOCTL, "%s: nbd_ioctl cmd=%s(0x%x) arg=%lu\n", lo->disk->disk_name, ioctl_cmd_to_ascii(cmd), cmd, arg); + lock_kernel(); mutex_lock(&lo->tx_lock); error = __nbd_ioctl(bdev, lo, cmd, arg); mutex_unlock(&lo->tx_lock); + unlock_kernel(); return error; } @@ -726,7 +729,7 @@ static int nbd_ioctl(struct block_device *bdev, fmode_t mode, static const struct block_device_operations nbd_fops = { .owner = THIS_MODULE, - .locked_ioctl = nbd_ioctl, + .ioctl = nbd_ioctl, }; /* diff --git a/drivers/block/osdblk.c b/drivers/block/osdblk.c index 6cd8b70..2284b4f 100644 --- a/drivers/block/osdblk.c +++ b/drivers/block/osdblk.c @@ -310,7 +310,8 @@ static void osdblk_rq_fn(struct request_queue *q) break; /* filter out block requests we don't understand */ - if (!blk_fs_request(rq) && !blk_barrier_rq(rq)) { + if (rq->cmd_type != REQ_TYPE_FS && + !(rq->cmd_flags & REQ_HARDBARRIER)) { blk_end_request_all(rq, 0); continue; } @@ -322,7 +323,7 @@ static void osdblk_rq_fn(struct request_queue *q) * driver-specific, etc. */ - do_flush = (rq->special == (void *) 0xdeadbeefUL); + do_flush = rq->cmd_flags & REQ_FLUSH; do_write = (rq_data_dir(rq) == WRITE); if (!do_flush) { /* osd_flush does not use a bio */ @@ -379,14 +380,6 @@ static void osdblk_rq_fn(struct request_queue *q) } } -static void osdblk_prepare_flush(struct request_queue *q, struct request *rq) -{ - /* add driver-specific marker, to indicate that this request - * is a flush command - */ - rq->special = (void *) 0xdeadbeefUL; -} - static void osdblk_free_disk(struct osdblk_device *osdev) { struct gendisk *disk = osdev->disk; @@ -446,7 +439,7 @@ static int osdblk_init_disk(struct osdblk_device *osdev) blk_queue_stack_limits(q, osd_request_queue(osdev->osd)); blk_queue_prep_rq(q, blk_queue_start_tag); - blk_queue_ordered(q, QUEUE_ORDERED_DRAIN_FLUSH, osdblk_prepare_flush); + blk_queue_ordered(q, QUEUE_ORDERED_DRAIN_FLUSH); disk->queue = q; diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c index 71acf4e..76f8565 100644 --- a/drivers/block/paride/pcd.c +++ b/drivers/block/paride/pcd.c @@ -138,6 +138,7 @@ enum {D_PRT, D_PRO, D_UNI, D_MOD, D_SLV, D_DLY}; #include <linux/cdrom.h> #include <linux/spinlock.h> #include <linux/blkdev.h> +#include <linux/smp_lock.h> #include <asm/uaccess.h> static DEFINE_SPINLOCK(pcd_lock); @@ -224,13 +225,21 @@ static char *pcd_buf; /* buffer for request in progress */ static int pcd_block_open(struct block_device *bdev, fmode_t mode) { struct pcd_unit *cd = bdev->bd_disk->private_data; - return cdrom_open(&cd->info, bdev, mode); + int ret; + + lock_kernel(); + ret = cdrom_open(&cd->info, bdev, mode); + unlock_kernel(); + + return ret; } static int pcd_block_release(struct gendisk *disk, fmode_t mode) { struct pcd_unit *cd = disk->private_data; + lock_kernel(); cdrom_release(&cd->info, mode); + unlock_kernel(); return 0; } @@ -238,7 +247,13 @@ static int pcd_block_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, unsigned long arg) { struct pcd_unit *cd = bdev->bd_disk->private_data; - return cdrom_ioctl(&cd->info, bdev, mode, cmd, arg); + int ret; + + lock_kernel(); + ret = cdrom_ioctl(&cd->info, bdev, mode, cmd, arg); + unlock_kernel(); + + return ret; } static int pcd_block_media_changed(struct gendisk *disk) @@ -251,7 +266,7 @@ static const struct block_device_operations pcd_bdops = { .owner = THIS_MODULE, .open = pcd_block_open, .release = pcd_block_release, - .locked_ioctl = pcd_block_ioctl, + .ioctl = pcd_block_ioctl, .media_changed = pcd_block_media_changed, }; diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c index c1e5cd0..985f0d4 100644 --- a/drivers/block/paride/pd.c +++ b/drivers/block/paride/pd.c @@ -153,6 +153,7 @@ enum {D_PRT, D_PRO, D_UNI, D_MOD, D_GEO, D_SBY, D_DLY, D_SLV}; #include <linux/blkdev.h> #include <linux/blkpg.h> #include <linux/kernel.h> +#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <linux/workqueue.h> @@ -439,7 +440,7 @@ static char *pd_buf; /* buffer for request in progress */ static enum action do_pd_io_start(void) { - if (blk_special_request(pd_req)) { + if (pd_req->cmd_type == REQ_TYPE_SPECIAL) { phase = pd_special; return pd_special(); } @@ -735,12 +736,14 @@ static int pd_open(struct block_device *bdev, fmode_t mode) { struct pd_unit *disk = bdev->bd_disk->private_data; + lock_kernel(); disk->access++; if (disk->removable) { pd_special_command(disk, pd_media_check); pd_special_command(disk, pd_door_lock); } + unlock_kernel(); return 0; } @@ -768,8 +771,10 @@ static int pd_ioctl(struct block_device *bdev, fmode_t mode, switch (cmd) { case CDROMEJECT: + lock_kernel(); if (disk->access == 1) pd_special_command(disk, pd_eject); + unlock_kernel(); return 0; default: return -EINVAL; @@ -780,8 +785,10 @@ static int pd_release(struct gendisk *p, fmode_t mode) { struct pd_unit *disk = p->private_data; + lock_kernel(); if (!--disk->access && disk->removable) pd_special_command(disk, pd_door_unlock); + unlock_kernel(); return 0; } @@ -812,7 +819,7 @@ static const struct block_device_operations pd_fops = { .owner = THIS_MODULE, .open = pd_open, .release = pd_release, - .locked_ioctl = pd_ioctl, + .ioctl = pd_ioctl, .getgeo = pd_getgeo, .media_changed = pd_check_media, .revalidate_disk= pd_revalidate diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c index c059aab..4457b49 100644 --- a/drivers/block/paride/pf.c +++ b/drivers/block/paride/pf.c @@ -152,6 +152,7 @@ enum {D_PRT, D_PRO, D_UNI, D_MOD, D_SLV, D_LUN, D_DLY}; #include <linux/spinlock.h> #include <linux/blkdev.h> #include <linux/blkpg.h> +#include <linux/smp_lock.h> #include <asm/uaccess.h> static DEFINE_SPINLOCK(pf_spin_lock); @@ -266,7 +267,7 @@ static const struct block_device_operations pf_fops = { .owner = THIS_MODULE, .open = pf_open, .release = pf_release, - .locked_ioctl = pf_ioctl, + .ioctl = pf_ioctl, .getgeo = pf_getgeo, .media_changed = pf_check_media, }; @@ -299,20 +300,26 @@ static void __init pf_init_units(void) static int pf_open(struct block_device *bdev, fmode_t mode) { struct pf_unit *pf = bdev->bd_disk->private_data; + int ret; + lock_kernel(); pf_identify(pf); + ret = -ENODEV; if (pf->media_status == PF_NM) - return -ENODEV; + goto out; + ret = -EROFS; if ((pf->media_status == PF_RO) && (mode & FMODE_WRITE)) - return -EROFS; + goto out; + ret = 0; pf->access++; if (pf->removable) pf_lock(pf, 1); - - return 0; +out: + unlock_kernel(); + return ret; } static int pf_getgeo(struct block_device *bdev, struct hd_geometry *geo) @@ -342,7 +349,10 @@ static int pf_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, u if (pf->access != 1) return -EBUSY; + lock_kernel(); pf_eject(pf); + unlock_kernel(); + return 0; } @@ -350,14 +360,18 @@ static int pf_release(struct gendisk *disk, fmode_t mode) { struct pf_unit *pf = disk->private_data; - if (pf->access <= 0) + lock_kernel(); + if (pf->access <= 0) { + unlock_kernel(); return -EINVAL; + } pf->access--; if (!pf->access && pf->removable) pf_lock(pf, 0); + unlock_kernel(); return 0; } diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 8a549db..b1cbeb5 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -57,6 +57,7 @@ #include <linux/seq_file.h> #include <linux/miscdevice.h> #include <linux/freezer.h> +#include <linux/smp_lock.h> #include <linux/mutex.h> #include <linux/slab.h> #include <scsi/scsi_cmnd.h> @@ -1221,7 +1222,7 @@ static int pkt_start_recovery(struct packet_data *pkt) pkt->bio->bi_flags = 1 << BIO_UPTODATE; pkt->bio->bi_idx = 0; - BUG_ON(pkt->bio->bi_rw != (1 << BIO_RW)); + BUG_ON(pkt->bio->bi_rw != REQ_WRITE); BUG_ON(pkt->bio->bi_vcnt != pkt->frames); BUG_ON(pkt->bio->bi_size != pkt->frames * CD_FRAMESIZE); BUG_ON(pkt->bio->bi_end_io != pkt_end_io_packet_write); @@ -2382,6 +2383,7 @@ static int pkt_open(struct block_device *bdev, fmode_t mode) VPRINTK(DRIVER_NAME": entering open\n"); + lock_kernel(); mutex_lock(&ctl_mutex); pd = pkt_find_dev_from_minor(MINOR(bdev->bd_dev)); if (!pd) { @@ -2409,6 +2411,7 @@ static int pkt_open(struct block_device *bdev, fmode_t mode) } mutex_unlock(&ctl_mutex); + unlock_kernel(); return 0; out_dec: @@ -2416,6 +2419,7 @@ out_dec: out: VPRINTK(DRIVER_NAME": failed open (%d)\n", ret); mutex_unlock(&ctl_mutex); + unlock_kernel(); return ret; } @@ -2424,6 +2428,7 @@ static int pkt_close(struct gendisk *disk, fmode_t mode) struct pktcdvd_device *pd = disk->private_data; int ret = 0; + lock_kernel(); mutex_lock(&ctl_mutex); pd->refcnt--; BUG_ON(pd->refcnt < 0); @@ -2432,6 +2437,7 @@ static int pkt_close(struct gendisk *disk, fmode_t mode) pkt_release_dev(pd, flush); } mutex_unlock(&ctl_mutex); + unlock_kernel(); return ret; } @@ -2762,10 +2768,12 @@ out_mem: static int pkt_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg) { struct pktcdvd_device *pd = bdev->bd_disk->private_data; + int ret; VPRINTK("pkt_ioctl: cmd %x, dev %d:%d\n", cmd, MAJOR(bdev->bd_dev), MINOR(bdev->bd_dev)); + lock_kernel(); switch (cmd) { case CDROMEJECT: /* @@ -2783,14 +2791,16 @@ static int pkt_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, case CDROM_LAST_WRITTEN: case CDROM_SEND_PACKET: case SCSI_IOCTL_SEND_COMMAND: - return __blkdev_driver_ioctl(pd->bdev, mode, cmd, arg); + ret = __blkdev_driver_ioctl(pd->bdev, mode, cmd, arg); + break; default: VPRINTK(DRIVER_NAME": Unknown ioctl for %s (%x)\n", pd->name, cmd); - return -ENOTTY; + ret = -ENOTTY; } + unlock_kernel(); - return 0; + return ret; } static int pkt_media_changed(struct gendisk *disk) @@ -2812,7 +2822,7 @@ static const struct block_device_operations pktcdvd_ops = { .owner = THIS_MODULE, .open = pkt_open, .release = pkt_close, - .locked_ioctl = pkt_ioctl, + .ioctl = pkt_ioctl, .media_changed = pkt_media_changed, }; diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c index 3b419e3..e9da874 100644 --- a/drivers/block/ps3disk.c +++ b/drivers/block/ps3disk.c @@ -196,13 +196,12 @@ static void ps3disk_do_request(struct ps3_storage_device *dev, dev_dbg(&dev->sbd.core, "%s:%u\n", __func__, __LINE__); while ((req = blk_fetch_request(q))) { - if (blk_fs_request(req)) { - if (ps3disk_submit_request_sg(dev, req)) - break; - } else if (req->cmd_type == REQ_TYPE_LINUX_BLOCK && - req->cmd[0] == REQ_LB_OP_FLUSH) { + if (req->cmd_flags & REQ_FLUSH) { if (ps3disk_submit_flush_request(dev, req)) break; + } else if (req->cmd_type == REQ_TYPE_FS) { + if (ps3disk_submit_request_sg(dev, req)) + break; } else { blk_dump_rq_flags(req, DEVICE_NAME " bad request"); __blk_end_request_all(req, -EIO); @@ -257,8 +256,7 @@ static irqreturn_t ps3disk_interrupt(int irq, void *data) return IRQ_HANDLED; } - if (req->cmd_type == REQ_TYPE_LINUX_BLOCK && - req->cmd[0] == REQ_LB_OP_FLUSH) { + if (req->cmd_flags & REQ_FLUSH) { read = 0; op = "flush"; } else { @@ -398,16 +396,6 @@ static int ps3disk_identify(struct ps3_storage_device *dev) return 0; } -static void ps3disk_prepare_flush(struct request_queue *q, struct request *req) -{ - struct ps3_storage_device *dev = q->queuedata; - - dev_dbg(&dev->sbd.core, "%s:%u\n", __func__, __LINE__); - - req->cmd_type = REQ_TYPE_LINUX_BLOCK; - req->cmd[0] = REQ_LB_OP_FLUSH; -} - static unsigned long ps3disk_mask; static DEFINE_MUTEX(ps3disk_mask_mutex); @@ -480,8 +468,7 @@ static int __devinit ps3disk_probe(struct ps3_system_bus_device *_dev) blk_queue_dma_alignment(queue, dev->blk_size-1); blk_queue_logical_block_size(queue, dev->blk_size); - blk_queue_ordered(queue, QUEUE_ORDERED_DRAIN_FLUSH, - ps3disk_prepare_flush); + blk_queue_ordered(queue, QUEUE_ORDERED_DRAIN_FLUSH); blk_queue_max_segments(queue, -1); blk_queue_max_segment_size(queue, dev->bounce_size); diff --git a/drivers/block/swim.c b/drivers/block/swim.c index e463657..2e46815 100644 --- a/drivers/block/swim.c +++ b/drivers/block/swim.c @@ -20,6 +20,7 @@ #include <linux/fd.h> #include <linux/slab.h> #include <linux/blkdev.h> +#include <linux/smp_lock.h> #include <linux/hdreg.h> #include <linux/kernel.h> #include <linux/delay.h> @@ -661,11 +662,23 @@ out: return err; } +static int floppy_unlocked_open(struct block_device *bdev, fmode_t mode) +{ + int ret; + + lock_kernel(); + ret = floppy_open(bdev, mode); + unlock_kernel(); + + return ret; +} + static int floppy_release(struct gendisk *disk, fmode_t mode) { struct floppy_state *fs = disk->private_data; struct swim __iomem *base = fs->swd->base; + lock_kernel(); if (fs->ref_count < 0) fs->ref_count = 0; else if (fs->ref_count > 0) @@ -673,6 +686,7 @@ static int floppy_release(struct gendisk *disk, fmode_t mode) if (fs->ref_count == 0) swim_motor(base, OFF); + unlock_kernel(); return 0; } @@ -690,7 +704,9 @@ static int floppy_ioctl(struct block_device *bdev, fmode_t mode, case FDEJECT: if (fs->ref_count != 1) return -EBUSY; + lock_kernel(); err = floppy_eject(fs); + unlock_kernel(); return err; case FDGETPRM: @@ -751,9 +767,9 @@ static int floppy_revalidate(struct gendisk *disk) static const struct block_device_operations floppy_fops = { .owner = THIS_MODULE, - .open = floppy_open, + .open = floppy_unlocked_open, .release = floppy_release, - .locked_ioctl = floppy_ioctl, + .ioctl = floppy_ioctl, .getgeo = floppy_getgeo, .media_changed = floppy_check_change, .revalidate_disk = floppy_revalidate, diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c index ed6fb91..cc6a386 100644 --- a/drivers/block/swim3.c +++ b/drivers/block/swim3.c @@ -25,6 +25,7 @@ #include <linux/ioctl.h> #include <linux/blkdev.h> #include <linux/interrupt.h> +#include <linux/smp_lock.h> #include <linux/module.h> #include <linux/spinlock.h> #include <asm/io.h> @@ -839,7 +840,7 @@ static int fd_eject(struct floppy_state *fs) static struct floppy_struct floppy_type = { 2880,18,2,80,0,0x1B,0x00,0xCF,0x6C,NULL }; /* 7 1.44MB 3.5" */ -static int floppy_ioctl(struct block_device *bdev, fmode_t mode, +static int floppy_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long param) { struct floppy_state *fs = bdev->bd_disk->private_data; @@ -867,6 +868,18 @@ static int floppy_ioctl(struct block_device *bdev, fmode_t mode, return -ENOTTY; } +static int floppy_ioctl(struct block_device *bdev, fmode_t mode, + unsigned int cmd, unsigned long param) +{ + int ret; + + lock_kernel(); + ret = floppy_locked_ioctl(bdev, mode, cmd, param); + unlock_kernel(); + + return ret; +} + static int floppy_open(struct block_device *bdev, fmode_t mode) { struct floppy_state *fs = bdev->bd_disk->private_data; @@ -936,15 +949,28 @@ static int floppy_open(struct block_device *bdev, fmode_t mode) return 0; } +static int floppy_unlocked_open(struct block_device *bdev, fmode_t mode) +{ + int ret; + + lock_kernel(); + ret = floppy_open(bdev, mode); + unlock_kernel(); + + return ret; +} + static int floppy_release(struct gendisk *disk, fmode_t mode) { struct floppy_state *fs = disk->private_data; struct swim3 __iomem *sw = fs->swim3; + lock_kernel(); if (fs->ref_count > 0 && --fs->ref_count == 0) { swim3_action(fs, MOTOR_OFF); out_8(&sw->control_bic, 0xff); swim3_select(fs, RELAX); } + unlock_kernel(); return 0; } @@ -995,9 +1021,9 @@ static int floppy_revalidate(struct gendisk *disk) } static const struct block_device_operations floppy_fops = { - .open = floppy_open, + .open = floppy_unlocked_open, .release = floppy_release, - .locked_ioctl = floppy_ioctl, + .ioctl = floppy_ioctl, .media_changed = floppy_check_change, .revalidate_disk= floppy_revalidate, }; diff --git a/drivers/block/ub.c b/drivers/block/ub.c index 0536b5b..c48e148 100644 --- a/drivers/block/ub.c +++ b/drivers/block/ub.c @@ -28,6 +28,7 @@ #include <linux/timer.h> #include <linux/scatterlist.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <scsi/scsi.h> #define DRV_NAME "ub" @@ -648,7 +649,7 @@ static int ub_request_fn_1(struct ub_lun *lun, struct request *rq) return 0; } - if (lun->changed && !blk_pc_request(rq)) { + if (lun->changed && rq->cmd_type != REQ_TYPE_BLOCK_PC) { blk_start_request(rq); ub_end_rq(rq, SAM_STAT_CHECK_CONDITION); return 0; @@ -684,7 +685,7 @@ static int ub_request_fn_1(struct ub_lun *lun, struct request *rq) } urq->nsg = n_elem; - if (blk_pc_request(rq)) { + if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { ub_cmd_build_packet(sc, lun, cmd, urq); } else { ub_cmd_build_block(sc, lun, cmd, urq); @@ -781,7 +782,7 @@ static void ub_rw_cmd_done(struct ub_dev *sc, struct ub_scsi_cmd *cmd) rq = urq->rq; if (cmd->error == 0) { - if (blk_pc_request(rq)) { + if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { if (cmd->act_len >= rq->resid_len) rq->resid_len = 0; else @@ -795,7 +796,7 @@ static void ub_rw_cmd_done(struct ub_dev *sc, struct ub_scsi_cmd *cmd) } } } else { - if (blk_pc_request(rq)) { + if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { /* UB_SENSE_SIZE is smaller than SCSI_SENSE_BUFFERSIZE */ memcpy(rq->sense, sc->top_sense, UB_SENSE_SIZE); rq->sense_len = UB_SENSE_SIZE; @@ -1710,6 +1711,18 @@ err_open: return rc; } +static int ub_bd_unlocked_open(struct block_device *bdev, fmode_t mode) +{ + int ret; + + lock_kernel(); + ret = ub_bd_open(bdev, mode); + unlock_kernel(); + + return ret; +} + + /* */ static int ub_bd_release(struct gendisk *disk, fmode_t mode) @@ -1717,7 +1730,10 @@ static int ub_bd_release(struct gendisk *disk, fmode_t mode) struct ub_lun *lun = disk->private_data; struct ub_dev *sc = lun->udev; + lock_kernel(); ub_put(sc); + unlock_kernel(); + return 0; } @@ -1729,8 +1745,13 @@ static int ub_bd_ioctl(struct block_device *bdev, fmode_t mode, { struct gendisk *disk = bdev->bd_disk; void __user *usermem = (void __user *) arg; + int ret; + + lock_kernel(); + ret = scsi_cmd_ioctl(disk->queue, disk, mode, cmd, usermem); + unlock_kernel(); - return scsi_cmd_ioctl(disk->queue, disk, mode, cmd, usermem); + return ret; } /* @@ -1792,9 +1813,9 @@ static int ub_bd_media_changed(struct gendisk *disk) static const struct block_device_operations ub_bd_fops = { .owner = THIS_MODULE, - .open = ub_bd_open, + .open = ub_bd_unlocked_open, .release = ub_bd_release, - .locked_ioctl = ub_bd_ioctl, + .ioctl = ub_bd_ioctl, .media_changed = ub_bd_media_changed, .revalidate_disk = ub_bd_revalidate, }; diff --git a/drivers/block/umem.c b/drivers/block/umem.c index 2f9470f..8be5715 100644 --- a/drivers/block/umem.c +++ b/drivers/block/umem.c @@ -478,7 +478,7 @@ static void process_page(unsigned long data) le32_to_cpu(desc->local_addr)>>9, le32_to_cpu(desc->transfer_size)); dump_dmastat(card, control); - } else if (test_bit(BIO_RW, &bio->bi_rw) && + } else if ((bio->bi_rw & REQ_WRITE) && le32_to_cpu(desc->local_addr) >> 9 == card->init_size) { card->init_size += le32_to_cpu(desc->transfer_size) >> 9; diff --git a/drivers/block/viodasd.c b/drivers/block/viodasd.c index 788d938..f651e51 100644 --- a/drivers/block/viodasd.c +++ b/drivers/block/viodasd.c @@ -41,6 +41,7 @@ #include <linux/errno.h> #include <linux/init.h> #include <linux/string.h> +#include <linux/smp_lock.h> #include <linux/dma-mapping.h> #include <linux/completion.h> #include <linux/device.h> @@ -175,6 +176,18 @@ static int viodasd_open(struct block_device *bdev, fmode_t mode) return 0; } +static int viodasd_unlocked_open(struct block_device *bdev, fmode_t mode) +{ + int ret; + + lock_kernel(); + ret = viodasd_open(bdev, mode); + unlock_kernel(); + + return ret; +} + + /* * External release entry point. */ @@ -183,6 +196,7 @@ static int viodasd_release(struct gendisk *disk, fmode_t mode) struct viodasd_device *d = disk->private_data; HvLpEvent_Rc hvrc; + lock_kernel(); /* Send the event to OS/400. We DON'T expect a response */ hvrc = HvCallEvent_signalLpEventFast(viopath_hostLp, HvLpEvent_Type_VirtualIo, @@ -195,6 +209,9 @@ static int viodasd_release(struct gendisk *disk, fmode_t mode) 0, 0, 0); if (hvrc != 0) pr_warning("HV close call failed %d\n", (int)hvrc); + + unlock_kernel(); + return 0; } @@ -219,7 +236,7 @@ static int viodasd_getgeo(struct block_device *bdev, struct hd_geometry *geo) */ static const struct block_device_operations viodasd_fops = { .owner = THIS_MODULE, - .open = viodasd_open, + .open = viodasd_unlocked_open, .release = viodasd_release, .getgeo = viodasd_getgeo, }; @@ -361,7 +378,7 @@ static void do_viodasd_request(struct request_queue *q) if (req == NULL) return; /* check that request contains a valid command */ - if (!blk_fs_request(req)) { + if (req->cmd_type != REQ_TYPE_FS) { viodasd_end_request(req, -EIO, blk_rq_sectors(req)); continue; } diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 23b7c48..2aafafc 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -2,6 +2,7 @@ #include <linux/spinlock.h> #include <linux/slab.h> #include <linux/blkdev.h> +#include <linux/smp_lock.h> #include <linux/hdreg.h> #include <linux/virtio.h> #include <linux/virtio_blk.h> @@ -65,13 +66,18 @@ static void blk_done(struct virtqueue *vq) break; } - if (blk_pc_request(vbr->req)) { + switch (vbr->req->cmd_type) { + case REQ_TYPE_BLOCK_PC: vbr->req->resid_len = vbr->in_hdr.residual; vbr->req->sense_len = vbr->in_hdr.sense_len; vbr->req->errors = vbr->in_hdr.errors; - } - if (blk_special_request(vbr->req)) + break; + case REQ_TYPE_SPECIAL: vbr->req->errors = (error != 0); + break; + default: + break; + } __blk_end_request_all(vbr->req, error); list_del(&vbr->list); @@ -94,36 +100,35 @@ static bool do_req(struct request_queue *q, struct virtio_blk *vblk, return false; vbr->req = req; - switch (req->cmd_type) { - case REQ_TYPE_FS: - vbr->out_hdr.type = 0; - vbr->out_hdr.sector = blk_rq_pos(vbr->req); - vbr->out_hdr.ioprio = req_get_ioprio(vbr->req); - break; - case REQ_TYPE_BLOCK_PC: - vbr->out_hdr.type = VIRTIO_BLK_T_SCSI_CMD; - vbr->out_hdr.sector = 0; - vbr->out_hdr.ioprio = req_get_ioprio(vbr->req); - break; - case REQ_TYPE_SPECIAL: - vbr->out_hdr.type = VIRTIO_BLK_T_GET_ID; + + if (req->cmd_flags & REQ_FLUSH) { + vbr->out_hdr.type = VIRTIO_BLK_T_FLUSH; vbr->out_hdr.sector = 0; vbr->out_hdr.ioprio = req_get_ioprio(vbr->req); - break; - case REQ_TYPE_LINUX_BLOCK: - if (req->cmd[0] == REQ_LB_OP_FLUSH) { - vbr->out_hdr.type = VIRTIO_BLK_T_FLUSH; + } else { + switch (req->cmd_type) { + case REQ_TYPE_FS: + vbr->out_hdr.type = 0; + vbr->out_hdr.sector = blk_rq_pos(vbr->req); + vbr->out_hdr.ioprio = req_get_ioprio(vbr->req); + break; + case REQ_TYPE_BLOCK_PC: + vbr->out_hdr.type = VIRTIO_BLK_T_SCSI_CMD; vbr->out_hdr.sector = 0; vbr->out_hdr.ioprio = req_get_ioprio(vbr->req); break; + case REQ_TYPE_SPECIAL: + vbr->out_hdr.type = VIRTIO_BLK_T_GET_ID; + vbr->out_hdr.sector = 0; + vbr->out_hdr.ioprio = req_get_ioprio(vbr->req); + break; + default: + /* We don't put anything else in the queue. */ + BUG(); } - /*FALLTHRU*/ - default: - /* We don't put anything else in the queue. */ - BUG(); } - if (blk_barrier_rq(vbr->req)) + if (vbr->req->cmd_flags & REQ_HARDBARRIER) vbr->out_hdr.type |= VIRTIO_BLK_T_BARRIER; sg_set_buf(&vblk->sg[out++], &vbr->out_hdr, sizeof(vbr->out_hdr)); @@ -134,12 +139,12 @@ static bool do_req(struct request_queue *q, struct virtio_blk *vblk, * block, and before the normal inhdr we put the sense data and the * inhdr with additional status information before the normal inhdr. */ - if (blk_pc_request(vbr->req)) + if (vbr->req->cmd_type == REQ_TYPE_BLOCK_PC) sg_set_buf(&vblk->sg[out++], vbr->req->cmd, vbr->req->cmd_len); num = blk_rq_map_sg(q, vbr->req, vblk->sg + out); - if (blk_pc_request(vbr->req)) { + if (vbr->req->cmd_type == REQ_TYPE_BLOCK_PC) { sg_set_buf(&vblk->sg[num + out + in++], vbr->req->sense, 96); sg_set_buf(&vblk->sg[num + out + in++], &vbr->in_hdr, sizeof(vbr->in_hdr)); @@ -190,12 +195,6 @@ static void do_virtblk_request(struct request_queue *q) virtqueue_kick(vblk->vq); } -static void virtblk_prepare_flush(struct request_queue *q, struct request *req) -{ - req->cmd_type = REQ_TYPE_LINUX_BLOCK; - req->cmd[0] = REQ_LB_OP_FLUSH; -} - /* return id (s/n) string for *disk to *id_str */ static int virtblk_get_id(struct gendisk *disk, char *id_str) @@ -219,7 +218,7 @@ static int virtblk_get_id(struct gendisk *disk, char *id_str) return blk_execute_rq(vblk->disk->queue, vblk->disk, req, false); } -static int virtblk_ioctl(struct block_device *bdev, fmode_t mode, +static int virtblk_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, unsigned long data) { struct gendisk *disk = bdev->bd_disk; @@ -235,6 +234,18 @@ static int virtblk_ioctl(struct block_device *bdev, fmode_t mode, (void __user *)data); } +static int virtblk_ioctl(struct block_device *bdev, fmode_t mode, + unsigned int cmd, unsigned long param) +{ + int ret; + + lock_kernel(); + ret = virtblk_locked_ioctl(bdev, mode, cmd, param); + unlock_kernel(); + + return ret; +} + /* We provide getgeo only to please some old bootloader/partitioning tools */ static int virtblk_getgeo(struct block_device *bd, struct hd_geometry *geo) { @@ -261,7 +272,7 @@ static int virtblk_getgeo(struct block_device *bd, struct hd_geometry *geo) } static const struct block_device_operations virtblk_fops = { - .locked_ioctl = virtblk_ioctl, + .ioctl = virtblk_ioctl, .owner = THIS_MODULE, .getgeo = virtblk_getgeo, }; @@ -383,8 +394,7 @@ static int __devinit virtblk_probe(struct virtio_device *vdev) * flushing a volatile write cache on the host. Use that * to implement write barrier support. */ - blk_queue_ordered(q, QUEUE_ORDERED_DRAIN_FLUSH, - virtblk_prepare_flush); + blk_queue_ordered(q, QUEUE_ORDERED_DRAIN_FLUSH); } else if (virtio_has_feature(vdev, VIRTIO_BLK_F_BARRIER)) { /* * If the BARRIER feature is supported the host expects us @@ -393,7 +403,7 @@ static int __devinit virtblk_probe(struct virtio_device *vdev) * never re-orders outstanding I/O. This feature is not * useful for real life scenarious and deprecated. */ - blk_queue_ordered(q, QUEUE_ORDERED_TAG, NULL); + blk_queue_ordered(q, QUEUE_ORDERED_TAG); } else { /* * If the FLUSH feature is not supported we must assume that @@ -401,7 +411,7 @@ static int __devinit virtblk_probe(struct virtio_device *vdev) * caching. We still need to drain the queue to provider * proper barrier semantics. */ - blk_queue_ordered(q, QUEUE_ORDERED_DRAIN, NULL); + blk_queue_ordered(q, QUEUE_ORDERED_DRAIN); } /* If disk is read-only in the host, the guest should obey */ diff --git a/drivers/block/xd.c b/drivers/block/xd.c index 18a80ff..d5a3cd7 100644 --- a/drivers/block/xd.c +++ b/drivers/block/xd.c @@ -46,6 +46,7 @@ #include <linux/init.h> #include <linux/wait.h> #include <linux/blkdev.h> +#include <linux/smp_lock.h> #include <linux/blkpg.h> #include <linux/delay.h> #include <linux/io.h> @@ -133,7 +134,7 @@ static int xd_getgeo(struct block_device *bdev, struct hd_geometry *geo); static const struct block_device_operations xd_fops = { .owner = THIS_MODULE, - .locked_ioctl = xd_ioctl, + .ioctl = xd_ioctl, .getgeo = xd_getgeo, }; static DECLARE_WAIT_QUEUE_HEAD(xd_wait_int); @@ -322,7 +323,7 @@ static void do_xd_request (struct request_queue * q) int res = -EIO; int retry; - if (!blk_fs_request(req)) + if (req->cmd_type != REQ_TYPE_FS) goto done; if (block + count > get_capacity(req->rq_disk)) goto done; @@ -347,7 +348,7 @@ static int xd_getgeo(struct block_device *bdev, struct hd_geometry *geo) } /* xd_ioctl: handle device ioctl's */ -static int xd_ioctl(struct block_device *bdev, fmode_t mode, u_int cmd, u_long arg) +static int xd_locked_ioctl(struct block_device *bdev, fmode_t mode, u_int cmd, u_long arg) { switch (cmd) { case HDIO_SET_DMA: @@ -375,6 +376,18 @@ static int xd_ioctl(struct block_device *bdev, fmode_t mode, u_int cmd, u_long a } } +static int xd_ioctl(struct block_device *bdev, fmode_t mode, + unsigned int cmd, unsigned long param) +{ + int ret; + + lock_kernel(); + ret = xd_locked_ioctl(bdev, mode, cmd, param); + unlock_kernel(); + + return ret; +} + /* xd_readwrite: handle a read/write request */ static int xd_readwrite (u_char operation,XD_INFO *p,char *buffer,u_int block,u_int count) { diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index f63ac3d..ac1b682e 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -41,6 +41,7 @@ #include <linux/cdrom.h> #include <linux/module.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/scatterlist.h> #include <xen/xen.h> @@ -79,6 +80,7 @@ static const struct block_device_operations xlvbd_block_fops; */ struct blkfront_info { + struct mutex mutex; struct xenbus_device *xbdev; struct gendisk *gd; int vdevice; @@ -95,16 +97,14 @@ struct blkfront_info unsigned long shadow_free; int feature_barrier; int is_ready; - - /** - * The number of people holding this device open. We won't allow a - * hot-unplug unless this is 0. - */ - int users; }; static DEFINE_SPINLOCK(blkif_io_lock); +static unsigned int nr_minors; +static unsigned long *minors; +static DEFINE_SPINLOCK(minor_lock); + #define MAXIMUM_OUTSTANDING_BLOCK_REQS \ (BLKIF_MAX_SEGMENTS_PER_REQUEST * BLK_RING_SIZE) #define GRANT_INVALID_REF 0 @@ -139,6 +139,55 @@ static void add_id_to_freelist(struct blkfront_info *info, info->shadow_free = id; } +static int xlbd_reserve_minors(unsigned int minor, unsigned int nr) +{ + unsigned int end = minor + nr; + int rc; + + if (end > nr_minors) { + unsigned long *bitmap, *old; + + bitmap = kzalloc(BITS_TO_LONGS(end) * sizeof(*bitmap), + GFP_KERNEL); + if (bitmap == NULL) + return -ENOMEM; + + spin_lock(&minor_lock); + if (end > nr_minors) { + old = minors; + memcpy(bitmap, minors, + BITS_TO_LONGS(nr_minors) * sizeof(*bitmap)); + minors = bitmap; + nr_minors = BITS_TO_LONGS(end) * BITS_PER_LONG; + } else + old = bitmap; + spin_unlock(&minor_lock); + kfree(old); + } + + spin_lock(&minor_lock); + if (find_next_bit(minors, end, minor) >= end) { + for (; minor < end; ++minor) + __set_bit(minor, minors); + rc = 0; + } else + rc = -EBUSY; + spin_unlock(&minor_lock); + + return rc; +} + +static void xlbd_release_minors(unsigned int minor, unsigned int nr) +{ + unsigned int end = minor + nr; + + BUG_ON(end > nr_minors); + spin_lock(&minor_lock); + for (; minor < end; ++minor) + __clear_bit(minor, minors); + spin_unlock(&minor_lock); +} + static void blkif_restart_queue_callback(void *arg) { struct blkfront_info *info = (struct blkfront_info *)arg; @@ -239,7 +288,7 @@ static int blkif_queue_request(struct request *req) ring_req->operation = rq_data_dir(req) ? BLKIF_OP_WRITE : BLKIF_OP_READ; - if (blk_barrier_rq(req)) + if (req->cmd_flags & REQ_HARDBARRIER) ring_req->operation = BLKIF_OP_WRITE_BARRIER; ring_req->nr_segments = blk_rq_map_sg(req->q, req, info->sg); @@ -310,7 +359,7 @@ static void do_blkif_request(struct request_queue *rq) blk_start_request(req); - if (!blk_fs_request(req)) { + if (req->cmd_type != REQ_TYPE_FS) { __blk_end_request_all(req, -EIO); continue; } @@ -372,17 +421,22 @@ static int xlvbd_init_blk_queue(struct gendisk *gd, u16 sector_size) static int xlvbd_barrier(struct blkfront_info *info) { int err; + const char *barrier; - err = blk_queue_ordered(info->rq, - info->feature_barrier ? QUEUE_ORDERED_DRAIN : QUEUE_ORDERED_NONE, - NULL); + switch (info->feature_barrier) { + case QUEUE_ORDERED_DRAIN: barrier = "enabled (drain)"; break; + case QUEUE_ORDERED_TAG: barrier = "enabled (tag)"; break; + case QUEUE_ORDERED_NONE: barrier = "disabled"; break; + default: return -EINVAL; + } + + err = blk_queue_ordered(info->rq, info->feature_barrier); if (err) return err; printk(KERN_INFO "blkfront: %s: barriers %s\n", - info->gd->disk_name, - info->feature_barrier ? "enabled" : "disabled"); + info->gd->disk_name, barrier); return 0; } @@ -418,9 +472,14 @@ static int xlvbd_alloc_gendisk(blkif_sector_t capacity, if ((minor % nr_parts) == 0) nr_minors = nr_parts; + err = xlbd_reserve_minors(minor, nr_minors); + if (err) + goto out; + err = -ENODEV; + gd = alloc_disk(nr_minors); if (gd == NULL) - goto out; + goto release; offset = minor / nr_parts; @@ -451,14 +510,13 @@ static int xlvbd_alloc_gendisk(blkif_sector_t capacity, if (xlvbd_init_blk_queue(gd, sector_size)) { del_gendisk(gd); - goto out; + goto release; } info->rq = gd->queue; info->gd = gd; - if (info->feature_barrier) - xlvbd_barrier(info); + xlvbd_barrier(info); if (vdisk_info & VDISK_READONLY) set_disk_ro(gd, 1); @@ -471,10 +529,45 @@ static int xlvbd_alloc_gendisk(blkif_sector_t capacity, return 0; + release: + xlbd_release_minors(minor, nr_minors); out: return err; } +static void xlvbd_release_gendisk(struct blkfront_info *info) +{ + unsigned int minor, nr_minors; + unsigned long flags; + + if (info->rq == NULL) + return; + + spin_lock_irqsave(&blkif_io_lock, flags); + + /* No more blkif_request(). */ + blk_stop_queue(info->rq); + + /* No more gnttab callback work. */ + gnttab_cancel_free_callback(&info->callback); + spin_unlock_irqrestore(&blkif_io_lock, flags); + + /* Flush gnttab callback work. Must be done with no locks held. */ + flush_scheduled_work(); + + del_gendisk(info->gd); + + minor = info->gd->first_minor; + nr_minors = info->gd->minors; + xlbd_release_minors(minor, nr_minors); + + blk_cleanup_queue(info->rq); + info->rq = NULL; + + put_disk(info->gd); + info->gd = NULL; +} + static void kick_pending_request_queues(struct blkfront_info *info) { if (!RING_FULL(&info->ring)) { @@ -569,7 +662,7 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id) printk(KERN_WARNING "blkfront: %s: write barrier op failed\n", info->gd->disk_name); error = -EOPNOTSUPP; - info->feature_barrier = 0; + info->feature_barrier = QUEUE_ORDERED_NONE; xlvbd_barrier(info); } /* fall through */ @@ -652,7 +745,7 @@ fail: /* Common code used when first setting up, and when resuming. */ -static int talk_to_backend(struct xenbus_device *dev, +static int talk_to_blkback(struct xenbus_device *dev, struct blkfront_info *info) { const char *message = NULL; @@ -712,7 +805,6 @@ again: return err; } - /** * Entry point to this code when a new device is created. Allocate the basic * structures and the ring buffer for communication with the backend, and @@ -773,6 +865,7 @@ static int blkfront_probe(struct xenbus_device *dev, return -ENOMEM; } + mutex_init(&info->mutex); info->xbdev = dev; info->vdevice = vdevice; info->connected = BLKIF_STATE_DISCONNECTED; @@ -786,7 +879,7 @@ static int blkfront_probe(struct xenbus_device *dev, info->handle = simple_strtoul(strrchr(dev->nodename, '/')+1, NULL, 0); dev_set_drvdata(&dev->dev, info); - err = talk_to_backend(dev, info); + err = talk_to_blkback(dev, info); if (err) { kfree(info); dev_set_drvdata(&dev->dev, NULL); @@ -881,13 +974,50 @@ static int blkfront_resume(struct xenbus_device *dev) blkif_free(info, info->connected == BLKIF_STATE_CONNECTED); - err = talk_to_backend(dev, info); + err = talk_to_blkback(dev, info); if (info->connected == BLKIF_STATE_SUSPENDED && !err) err = blkif_recover(info); return err; } +static void +blkfront_closing(struct blkfront_info *info) +{ + struct xenbus_device *xbdev = info->xbdev; + struct block_device *bdev = NULL; + + mutex_lock(&info->mutex); + + if (xbdev->state == XenbusStateClosing) { + mutex_unlock(&info->mutex); + return; + } + + if (info->gd) + bdev = bdget_disk(info->gd, 0); + + mutex_unlock(&info->mutex); + + if (!bdev) { + xenbus_frontend_closed(xbdev); + return; + } + + mutex_lock(&bdev->bd_mutex); + + if (bdev->bd_openers) { + xenbus_dev_error(xbdev, -EBUSY, + "Device in use; refusing to close"); + xenbus_switch_state(xbdev, XenbusStateClosing); + } else { + xlvbd_release_gendisk(info); + xenbus_frontend_closed(xbdev); + } + + mutex_unlock(&bdev->bd_mutex); + bdput(bdev); +} /* * Invoked when the backend is finally 'ready' (and has told produced @@ -899,11 +1029,31 @@ static void blkfront_connect(struct blkfront_info *info) unsigned long sector_size; unsigned int binfo; int err; - - if ((info->connected == BLKIF_STATE_CONNECTED) || - (info->connected == BLKIF_STATE_SUSPENDED) ) + int barrier; + + switch (info->connected) { + case BLKIF_STATE_CONNECTED: + /* + * Potentially, the back-end may be signalling + * a capacity change; update the capacity. + */ + err = xenbus_scanf(XBT_NIL, info->xbdev->otherend, + "sectors", "%Lu", §ors); + if (XENBUS_EXIST_ERR(err)) + return; + printk(KERN_INFO "Setting capacity to %Lu\n", + sectors); + set_capacity(info->gd, sectors); + revalidate_disk(info->gd); + + /* fall through */ + case BLKIF_STATE_SUSPENDED: return; + default: + break; + } + dev_dbg(&info->xbdev->dev, "%s:%s.\n", __func__, info->xbdev->otherend); @@ -920,10 +1070,26 @@ static void blkfront_connect(struct blkfront_info *info) } err = xenbus_gather(XBT_NIL, info->xbdev->otherend, - "feature-barrier", "%lu", &info->feature_barrier, + "feature-barrier", "%lu", &barrier, NULL); + + /* + * If there's no "feature-barrier" defined, then it means + * we're dealing with a very old backend which writes + * synchronously; draining will do what needs to get done. + * + * If there are barriers, then we can do full queued writes + * with tagged barriers. + * + * If barriers are not supported, then there's no much we can + * do, so just set ordering to NONE. + */ if (err) - info->feature_barrier = 0; + info->feature_barrier = QUEUE_ORDERED_DRAIN; + else if (barrier) + info->feature_barrier = QUEUE_ORDERED_TAG; + else + info->feature_barrier = QUEUE_ORDERED_NONE; err = xlvbd_alloc_gendisk(sectors, info, binfo, sector_size); if (err) { @@ -946,52 +1112,14 @@ static void blkfront_connect(struct blkfront_info *info) } /** - * Handle the change of state of the backend to Closing. We must delete our - * device-layer structures now, to ensure that writes are flushed through to - * the backend. Once is this done, we can switch to Closed in - * acknowledgement. - */ -static void blkfront_closing(struct xenbus_device *dev) -{ - struct blkfront_info *info = dev_get_drvdata(&dev->dev); - unsigned long flags; - - dev_dbg(&dev->dev, "blkfront_closing: %s removed\n", dev->nodename); - - if (info->rq == NULL) - goto out; - - spin_lock_irqsave(&blkif_io_lock, flags); - - /* No more blkif_request(). */ - blk_stop_queue(info->rq); - - /* No more gnttab callback work. */ - gnttab_cancel_free_callback(&info->callback); - spin_unlock_irqrestore(&blkif_io_lock, flags); - - /* Flush gnttab callback work. Must be done with no locks held. */ - flush_scheduled_work(); - - blk_cleanup_queue(info->rq); - info->rq = NULL; - - del_gendisk(info->gd); - - out: - xenbus_frontend_closed(dev); -} - -/** * Callback received when the backend's state changes. */ -static void backend_changed(struct xenbus_device *dev, +static void blkback_changed(struct xenbus_device *dev, enum xenbus_state backend_state) { struct blkfront_info *info = dev_get_drvdata(&dev->dev); - struct block_device *bd; - dev_dbg(&dev->dev, "blkfront:backend_changed.\n"); + dev_dbg(&dev->dev, "blkfront:blkback_changed to state %d.\n", backend_state); switch (backend_state) { case XenbusStateInitialising: @@ -1006,35 +1134,56 @@ static void backend_changed(struct xenbus_device *dev, break; case XenbusStateClosing: - if (info->gd == NULL) { - xenbus_frontend_closed(dev); - break; - } - bd = bdget_disk(info->gd, 0); - if (bd == NULL) - xenbus_dev_fatal(dev, -ENODEV, "bdget failed"); - - mutex_lock(&bd->bd_mutex); - if (info->users > 0) - xenbus_dev_error(dev, -EBUSY, - "Device in use; refusing to close"); - else - blkfront_closing(dev); - mutex_unlock(&bd->bd_mutex); - bdput(bd); + blkfront_closing(info); break; } } -static int blkfront_remove(struct xenbus_device *dev) +static int blkfront_remove(struct xenbus_device *xbdev) { - struct blkfront_info *info = dev_get_drvdata(&dev->dev); + struct blkfront_info *info = dev_get_drvdata(&xbdev->dev); + struct block_device *bdev = NULL; + struct gendisk *disk; - dev_dbg(&dev->dev, "blkfront_remove: %s removed\n", dev->nodename); + dev_dbg(&xbdev->dev, "%s removed", xbdev->nodename); blkif_free(info, 0); - kfree(info); + mutex_lock(&info->mutex); + + disk = info->gd; + if (disk) + bdev = bdget_disk(disk, 0); + + info->xbdev = NULL; + mutex_unlock(&info->mutex); + + if (!bdev) { + kfree(info); + return 0; + } + + /* + * The xbdev was removed before we reached the Closed + * state. See if it's safe to remove the disk. If the bdev + * isn't closed yet, we let release take care of it. + */ + + mutex_lock(&bdev->bd_mutex); + info = disk->private_data; + + dev_warn(disk_to_dev(disk), + "%s was hot-unplugged, %d stale handles\n", + xbdev->nodename, bdev->bd_openers); + + if (info && !bdev->bd_openers) { + xlvbd_release_gendisk(info); + disk->private_data = NULL; + kfree(info); + } + + mutex_unlock(&bdev->bd_mutex); + bdput(bdev); return 0; } @@ -1043,30 +1192,78 @@ static int blkfront_is_ready(struct xenbus_device *dev) { struct blkfront_info *info = dev_get_drvdata(&dev->dev); - return info->is_ready; + return info->is_ready && info->xbdev; } static int blkif_open(struct block_device *bdev, fmode_t mode) { - struct blkfront_info *info = bdev->bd_disk->private_data; - info->users++; - return 0; + struct gendisk *disk = bdev->bd_disk; + struct blkfront_info *info; + int err = 0; + + lock_kernel(); + + info = disk->private_data; + if (!info) { + /* xbdev gone */ + err = -ERESTARTSYS; + goto out; + } + + mutex_lock(&info->mutex); + + if (!info->gd) + /* xbdev is closed */ + err = -ERESTARTSYS; + + mutex_unlock(&info->mutex); + +out: + unlock_kernel(); + return err; } static int blkif_release(struct gendisk *disk, fmode_t mode) { struct blkfront_info *info = disk->private_data; - info->users--; - if (info->users == 0) { - /* Check whether we have been instructed to close. We will - have ignored this request initially, as the device was - still mounted. */ - struct xenbus_device *dev = info->xbdev; - enum xenbus_state state = xenbus_read_driver_state(dev->otherend); - - if (state == XenbusStateClosing && info->is_ready) - blkfront_closing(dev); + struct block_device *bdev; + struct xenbus_device *xbdev; + + lock_kernel(); + + bdev = bdget_disk(disk, 0); + bdput(bdev); + + if (bdev->bd_openers) + goto out; + + /* + * Check if we have been instructed to close. We will have + * deferred this request, because the bdev was still open. + */ + + mutex_lock(&info->mutex); + xbdev = info->xbdev; + + if (xbdev && xbdev->state == XenbusStateClosing) { + /* pending switch to state closed */ + dev_info(disk_to_dev(bdev->bd_disk), "releasing disk\n"); + xlvbd_release_gendisk(info); + xenbus_frontend_closed(info->xbdev); + } + + mutex_unlock(&info->mutex); + + if (!xbdev) { + /* sudden device removal */ + dev_info(disk_to_dev(bdev->bd_disk), "releasing disk\n"); + xlvbd_release_gendisk(info); + disk->private_data = NULL; + kfree(info); } + +out: + unlock_kernel(); return 0; } @@ -1076,7 +1273,7 @@ static const struct block_device_operations xlvbd_block_fops = .open = blkif_open, .release = blkif_release, .getgeo = blkif_getgeo, - .locked_ioctl = blkif_ioctl, + .ioctl = blkif_ioctl, }; @@ -1092,7 +1289,7 @@ static struct xenbus_driver blkfront = { .probe = blkfront_probe, .remove = blkfront_remove, .resume = blkfront_resume, - .otherend_changed = backend_changed, + .otherend_changed = blkback_changed, .is_ready = blkfront_is_ready, }; diff --git a/drivers/block/xsysace.c b/drivers/block/xsysace.c index a7b83c0..b71888b 100644 --- a/drivers/block/xsysace.c +++ b/drivers/block/xsysace.c @@ -89,6 +89,7 @@ #include <linux/delay.h> #include <linux/slab.h> #include <linux/blkdev.h> +#include <linux/smp_lock.h> #include <linux/ata.h> #include <linux/hdreg.h> #include <linux/platform_device.h> @@ -465,7 +466,7 @@ struct request *ace_get_next_request(struct request_queue * q) struct request *req; while ((req = blk_peek_request(q)) != NULL) { - if (blk_fs_request(req)) + if (req->cmd_type == REQ_TYPE_FS) break; blk_start_request(req); __blk_end_request_all(req, -EIO); @@ -901,11 +902,14 @@ static int ace_open(struct block_device *bdev, fmode_t mode) dev_dbg(ace->dev, "ace_open() users=%i\n", ace->users + 1); + lock_kernel(); spin_lock_irqsave(&ace->lock, flags); ace->users++; spin_unlock_irqrestore(&ace->lock, flags); check_disk_change(bdev); + unlock_kernel(); + return 0; } @@ -917,6 +921,7 @@ static int ace_release(struct gendisk *disk, fmode_t mode) dev_dbg(ace->dev, "ace_release() users=%i\n", ace->users - 1); + lock_kernel(); spin_lock_irqsave(&ace->lock, flags); ace->users--; if (ace->users == 0) { @@ -924,6 +929,7 @@ static int ace_release(struct gendisk *disk, fmode_t mode) ace_out(ace, ACE_CTRL, val & ~ACE_CTRL_LOCKREQ); } spin_unlock_irqrestore(&ace->lock, flags); + unlock_kernel(); return 0; } diff --git a/drivers/block/z2ram.c b/drivers/block/z2ram.c index 9114654..d75b2bb 100644 --- a/drivers/block/z2ram.c +++ b/drivers/block/z2ram.c @@ -33,6 +33,7 @@ #include <linux/module.h> #include <linux/blkdev.h> #include <linux/bitops.h> +#include <linux/smp_lock.h> #include <linux/slab.h> #include <asm/setup.h> @@ -153,6 +154,7 @@ static int z2_open(struct block_device *bdev, fmode_t mode) device = MINOR(bdev->bd_dev); + lock_kernel(); if ( current_device != -1 && current_device != device ) { rc = -EBUSY; @@ -294,20 +296,25 @@ static int z2_open(struct block_device *bdev, fmode_t mode) set_capacity(z2ram_gendisk, z2ram_size >> 9); } + unlock_kernel(); return 0; err_out_kfree: kfree(z2ram_map); err_out: + unlock_kernel(); return rc; } static int z2_release(struct gendisk *disk, fmode_t mode) { - if ( current_device == -1 ) - return 0; - + lock_kernel(); + if ( current_device == -1 ) { + unlock_kernel(); + return 0; + } + unlock_kernel(); /* * FIXME: unmap memory */ diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c index e3749d0..af13c62 100644 --- a/drivers/cdrom/cdrom.c +++ b/drivers/cdrom/cdrom.c @@ -242,6 +242,8 @@ -------------------------------------------------------------------------*/ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #define REVISION "Revision: 3.20" #define VERSION "Id: cdrom.c 3.20 2003/12/17" @@ -314,11 +316,17 @@ static const char *mrw_format_status[] = { static const char *mrw_address_space[] = { "DMA", "GAA" }; #if (ERRLOGMASK!=CD_NOTHING) -#define cdinfo(type, fmt, args...) \ - if ((ERRLOGMASK & type) || debug==1 ) \ - printk(KERN_INFO "cdrom: " fmt, ## args) +#define cdinfo(type, fmt, args...) \ +do { \ + if ((ERRLOGMASK & type) || debug == 1) \ + pr_info(fmt, ##args); \ +} while (0) #else -#define cdinfo(type, fmt, args...) +#define cdinfo(type, fmt, args...) \ +do { \ + if (0 && (ERRLOGMASK & type) || debug == 1) \ + pr_info(fmt, ##args); \ +} while (0) #endif /* These are used to simplify getting data in from and back to user land */ @@ -395,7 +403,7 @@ int register_cdrom(struct cdrom_device_info *cdi) if (cdo->open == NULL || cdo->release == NULL) return -EINVAL; if (!banner_printed) { - printk(KERN_INFO "Uniform CD-ROM driver " REVISION "\n"); + pr_info("Uniform CD-ROM driver " REVISION "\n"); banner_printed = 1; cdrom_sysctl_register(); } @@ -546,7 +554,7 @@ static int cdrom_mrw_bgformat(struct cdrom_device_info *cdi, int cont) unsigned char buffer[12]; int ret; - printk(KERN_INFO "cdrom: %sstarting format\n", cont ? "Re" : ""); + pr_info("%sstarting format\n", cont ? "Re" : ""); /* * FmtData bit set (bit 4), format type is 1 @@ -576,7 +584,7 @@ static int cdrom_mrw_bgformat(struct cdrom_device_info *cdi, int cont) ret = cdi->ops->generic_packet(cdi, &cgc); if (ret) - printk(KERN_INFO "cdrom: bgformat failed\n"); + pr_info("bgformat failed\n"); return ret; } @@ -622,8 +630,7 @@ static int cdrom_mrw_exit(struct cdrom_device_info *cdi) ret = 0; if (di.mrw_status == CDM_MRW_BGFORMAT_ACTIVE) { - printk(KERN_INFO "cdrom: issuing MRW back ground " - "format suspend\n"); + pr_info("issuing MRW background format suspend\n"); ret = cdrom_mrw_bgformat_susp(cdi, 0); } @@ -658,7 +665,8 @@ static int cdrom_mrw_set_lba_space(struct cdrom_device_info *cdi, int space) if ((ret = cdrom_mode_select(cdi, &cgc))) return ret; - printk(KERN_INFO "cdrom: %s: mrw address space %s selected\n", cdi->name, mrw_address_space[space]); + pr_info("%s: mrw address space %s selected\n", + cdi->name, mrw_address_space[space]); return 0; } @@ -762,7 +770,7 @@ static int cdrom_mrw_open_write(struct cdrom_device_info *cdi) * always reset to DMA lba space on open */ if (cdrom_mrw_set_lba_space(cdi, MRW_LBA_DMA)) { - printk(KERN_ERR "cdrom: failed setting lba address space\n"); + pr_err("failed setting lba address space\n"); return 1; } @@ -781,8 +789,7 @@ static int cdrom_mrw_open_write(struct cdrom_device_info *cdi) * 3 - MRW formatting complete */ ret = 0; - printk(KERN_INFO "cdrom open: mrw_status '%s'\n", - mrw_format_status[di.mrw_status]); + pr_info("open: mrw_status '%s'\n", mrw_format_status[di.mrw_status]); if (!di.mrw_status) ret = 1; else if (di.mrw_status == CDM_MRW_BGFORMAT_INACTIVE && @@ -932,8 +939,7 @@ static void cdrom_dvd_rw_close_write(struct cdrom_device_info *cdi) return; } - printk(KERN_INFO "cdrom: %s: dirty DVD+RW media, \"finalizing\"\n", - cdi->name); + pr_info("%s: dirty DVD+RW media, \"finalizing\"\n", cdi->name); init_cdrom_command(&cgc, NULL, 0, CGC_DATA_NONE); cgc.cmd[0] = GPCMD_FLUSH_CACHE; @@ -2176,7 +2182,7 @@ retry: * frame dma, so drop to single frame dma if we need to */ if (cdi->cdda_method == CDDA_BPC_FULL && nframes > 1) { - printk("cdrom: dropping to single frame dma\n"); + pr_info("dropping to single frame dma\n"); cdi->cdda_method = CDDA_BPC_SINGLE; goto retry; } @@ -2189,7 +2195,7 @@ retry: if (cdi->last_sense != 0x04 && cdi->last_sense != 0x0b) return ret; - printk("cdrom: dropping to old style cdda (sense=%x)\n", cdi->last_sense); + pr_info("dropping to old style cdda (sense=%x)\n", cdi->last_sense); cdi->cdda_method = CDDA_OLD; return cdrom_read_cdda_old(cdi, ubuf, lba, nframes); } @@ -3401,7 +3407,7 @@ static int cdrom_print_info(const char *header, int val, char *info, "\t%d", CDROM_CAN(val) != 0); break; default: - printk(KERN_INFO "cdrom: invalid option%d\n", option); + pr_info("invalid option%d\n", option); return 1; } if (!ret) @@ -3491,7 +3497,7 @@ doit: mutex_unlock(&cdrom_mutex); return proc_dostring(ctl, write, buffer, lenp, ppos); done: - printk(KERN_INFO "cdrom: info buffer too small\n"); + pr_info("info buffer too small\n"); goto doit; } @@ -3665,7 +3671,7 @@ static int __init cdrom_init(void) static void __exit cdrom_exit(void) { - printk(KERN_INFO "Uniform CD-ROM driver unloaded\n"); + pr_info("Uniform CD-ROM driver unloaded\n"); cdrom_sysctl_unregister(); } diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c index 03c71f7..261107d 100644 --- a/drivers/cdrom/gdrom.c +++ b/drivers/cdrom/gdrom.c @@ -19,6 +19,8 @@ * */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/init.h> #include <linux/module.h> #include <linux/fs.h> @@ -32,6 +34,7 @@ #include <linux/blkdev.h> #include <linux/interrupt.h> #include <linux/device.h> +#include <linux/smp_lock.h> #include <linux/wait.h> #include <linux/workqueue.h> #include <linux/platform_device.h> @@ -339,8 +342,7 @@ static int gdrom_get_last_session(struct cdrom_device_info *cd_info, tocuse = 0; err = gdrom_readtoc_cmd(gd.toc, 0); if (err) { - printk(KERN_INFO "GDROM: Could not get CD " - "table of contents\n"); + pr_info("Could not get CD table of contents\n"); return -ENXIO; } } @@ -357,8 +359,7 @@ static int gdrom_get_last_session(struct cdrom_device_info *cd_info, } while (track >= fentry); if ((track > 100) || (track < get_entry_track(gd.toc->first))) { - printk(KERN_INFO "GDROM: No data on the last " - "session of the CD\n"); + pr_info("No data on the last session of the CD\n"); gdrom_getsense(NULL); return -ENXIO; } @@ -451,14 +452,14 @@ static int gdrom_getsense(short *bufstring) goto cleanup_sense; insw(GDROM_DATA_REG, &sense, sense_command->buflen/2); if (sense[1] & 40) { - printk(KERN_INFO "GDROM: Drive not ready - command aborted\n"); + pr_info("Drive not ready - command aborted\n"); goto cleanup_sense; } sense_key = sense[1] & 0x0F; if (sense_key < ARRAY_SIZE(sense_texts)) - printk(KERN_INFO "GDROM: %s\n", sense_texts[sense_key].text); + pr_info("%s\n", sense_texts[sense_key].text); else - printk(KERN_ERR "GDROM: Unknown sense key: %d\n", sense_key); + pr_err("Unknown sense key: %d\n", sense_key); if (bufstring) /* return addional sense data */ memcpy(bufstring, &sense[4], 2); if (sense_key < 2) @@ -492,12 +493,18 @@ static struct cdrom_device_ops gdrom_ops = { static int gdrom_bdops_open(struct block_device *bdev, fmode_t mode) { - return cdrom_open(gd.cd_info, bdev, mode); + int ret; + lock_kernel(); + ret = cdrom_open(gd.cd_info, bdev, mode); + unlock_kernel(); + return ret; } static int gdrom_bdops_release(struct gendisk *disk, fmode_t mode) { + lock_kernel(); cdrom_release(gd.cd_info, mode); + unlock_kernel(); return 0; } @@ -509,7 +516,13 @@ static int gdrom_bdops_mediachanged(struct gendisk *disk) static int gdrom_bdops_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, unsigned long arg) { - return cdrom_ioctl(gd.cd_info, bdev, mode, cmd, arg); + int ret; + + lock_kernel(); + ret = cdrom_ioctl(gd.cd_info, bdev, mode, cmd, arg); + unlock_kernel(); + + return ret; } static const struct block_device_operations gdrom_bdops = { @@ -517,7 +530,7 @@ static const struct block_device_operations gdrom_bdops = { .open = gdrom_bdops_open, .release = gdrom_bdops_release, .media_changed = gdrom_bdops_mediachanged, - .locked_ioctl = gdrom_bdops_ioctl, + .ioctl = gdrom_bdops_ioctl, }; static irqreturn_t gdrom_command_interrupt(int irq, void *dev_id) @@ -643,14 +656,13 @@ static void gdrom_request(struct request_queue *rq) struct request *req; while ((req = blk_fetch_request(rq)) != NULL) { - if (!blk_fs_request(req)) { - printk(KERN_DEBUG "GDROM: Non-fs request ignored\n"); + if (req->cmd_type != REQ_TYPE_FS) { + printk(KERN_DEBUG "gdrom: Non-fs request ignored\n"); __blk_end_request_all(req, -EIO); continue; } if (rq_data_dir(req) != READ) { - printk(KERN_NOTICE "GDROM: Read only device -"); - printk(" write request ignored\n"); + pr_notice("Read only device - write request ignored\n"); __blk_end_request_all(req, -EIO); continue; } @@ -685,7 +697,7 @@ static int __devinit gdrom_outputversion(void) firmw_ver = kstrndup(id->firmver, 16, GFP_KERNEL); if (!firmw_ver) goto free_manuf_name; - printk(KERN_INFO "GDROM: %s from %s with firmware %s\n", + pr_info("%s from %s with firmware %s\n", model_name, manuf_name, firmw_ver); err = 0; kfree(firmw_ver); @@ -757,7 +769,7 @@ static int __devinit probe_gdrom(struct platform_device *devptr) int err; /* Start the device */ if (gdrom_execute_diagnostic() != 1) { - printk(KERN_WARNING "GDROM: ATA Probe for GDROM failed.\n"); + pr_warning("ATA Probe for GDROM failed\n"); return -ENODEV; } /* Print out firmware ID */ @@ -767,7 +779,7 @@ static int __devinit probe_gdrom(struct platform_device *devptr) gdrom_major = register_blkdev(0, GDROM_DEV_NAME); if (gdrom_major <= 0) return gdrom_major; - printk(KERN_INFO "GDROM: Registered with major number %d\n", + pr_info("Registered with major number %d\n", gdrom_major); /* Specify basic properties of drive */ gd.cd_info = kzalloc(sizeof(struct cdrom_device_info), GFP_KERNEL); @@ -818,7 +830,7 @@ probe_fail_no_disk: unregister_blkdev(gdrom_major, GDROM_DEV_NAME); gdrom_major = 0; probe_fail_no_mem: - printk(KERN_WARNING "GDROM: Probe failed - error is 0x%X\n", err); + pr_warning("Probe failed - error is 0x%X\n", err); return err; } diff --git a/drivers/cdrom/viocd.c b/drivers/cdrom/viocd.c index 451cd70..56bf9f4 100644 --- a/drivers/cdrom/viocd.c +++ b/drivers/cdrom/viocd.c @@ -31,6 +31,8 @@ * the OS/400 partition. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/major.h> #include <linux/blkdev.h> #include <linux/cdrom.h> @@ -40,6 +42,7 @@ #include <linux/module.h> #include <linux/completion.h> #include <linux/proc_fs.h> +#include <linux/smp_lock.h> #include <linux/seq_file.h> #include <linux/scatterlist.h> @@ -53,9 +56,6 @@ #define VIOCD_VERS "1.06" -#define VIOCD_KERN_WARNING KERN_WARNING "viocd: " -#define VIOCD_KERN_INFO KERN_INFO "viocd: " - /* * Should probably make this a module parameter....sigh */ @@ -154,13 +154,21 @@ static const struct file_operations proc_viocd_operations = { static int viocd_blk_open(struct block_device *bdev, fmode_t mode) { struct disk_info *di = bdev->bd_disk->private_data; - return cdrom_open(&di->viocd_info, bdev, mode); + int ret; + + lock_kernel(); + ret = cdrom_open(&di->viocd_info, bdev, mode); + unlock_kernel(); + + return ret; } static int viocd_blk_release(struct gendisk *disk, fmode_t mode) { struct disk_info *di = disk->private_data; + lock_kernel(); cdrom_release(&di->viocd_info, mode); + unlock_kernel(); return 0; } @@ -168,7 +176,13 @@ static int viocd_blk_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, unsigned long arg) { struct disk_info *di = bdev->bd_disk->private_data; - return cdrom_ioctl(&di->viocd_info, bdev, mode, cmd, arg); + int ret; + + lock_kernel(); + ret = cdrom_ioctl(&di->viocd_info, bdev, mode, cmd, arg); + unlock_kernel(); + + return ret; } static int viocd_blk_media_changed(struct gendisk *disk) @@ -181,7 +195,7 @@ static const struct block_device_operations viocd_fops = { .owner = THIS_MODULE, .open = viocd_blk_open, .release = viocd_blk_release, - .locked_ioctl = viocd_blk_ioctl, + .ioctl = viocd_blk_ioctl, .media_changed = viocd_blk_media_changed, }; @@ -202,9 +216,8 @@ static int viocd_open(struct cdrom_device_info *cdi, int purpose) (u64)&we, VIOVERSION << 16, ((u64)device_no << 48), 0, 0, 0); if (hvrc != 0) { - printk(VIOCD_KERN_WARNING - "bad rc on HvCallEvent_signalLpEventFast %d\n", - (int)hvrc); + pr_warning("bad rc on HvCallEvent_signalLpEventFast %d\n", + (int)hvrc); return -EIO; } @@ -213,8 +226,8 @@ static int viocd_open(struct cdrom_device_info *cdi, int purpose) if (we.rc) { const struct vio_error_entry *err = vio_lookup_rc(viocd_err_table, we.sub_result); - printk(VIOCD_KERN_WARNING "bad rc %d:0x%04X on open: %s\n", - we.rc, we.sub_result, err->msg); + pr_warning("bad rc %d:0x%04X on open: %s\n", + we.rc, we.sub_result, err->msg); return -err->errno; } @@ -234,9 +247,8 @@ static void viocd_release(struct cdrom_device_info *cdi) viopath_targetinst(viopath_hostLp), 0, VIOVERSION << 16, ((u64)device_no << 48), 0, 0, 0); if (hvrc != 0) - printk(VIOCD_KERN_WARNING - "bad rc on HvCallEvent_signalLpEventFast %d\n", - (int)hvrc); + pr_warning("bad rc on HvCallEvent_signalLpEventFast %d\n", + (int)hvrc); } /* Send a read or write request to OS/400 */ @@ -262,13 +274,12 @@ static int send_request(struct request *req) sg_init_table(&sg, 1); if (blk_rq_map_sg(req->q, req, &sg) == 0) { - printk(VIOCD_KERN_WARNING - "error setting up scatter/gather list\n"); + pr_warning("error setting up scatter/gather list\n"); return -1; } if (dma_map_sg(diskinfo->dev, &sg, 1, direction) == 0) { - printk(VIOCD_KERN_WARNING "error allocating sg tce\n"); + pr_warning("error allocating sg tce\n"); return -1; } dmaaddr = sg_dma_address(&sg); @@ -284,7 +295,7 @@ static int send_request(struct request *req) ((u64)DEVICE_NR(diskinfo) << 48) | dmaaddr, (u64)blk_rq_pos(req) * 512, len, 0); if (hvrc != HvLpEvent_Rc_Good) { - printk(VIOCD_KERN_WARNING "hv error on op %d\n", (int)hvrc); + pr_warning("hv error on op %d\n", (int)hvrc); return -1; } @@ -298,11 +309,10 @@ static void do_viocd_request(struct request_queue *q) struct request *req; while ((rwreq == 0) && ((req = blk_fetch_request(q)) != NULL)) { - if (!blk_fs_request(req)) + if (req->cmd_type != REQ_TYPE_FS) __blk_end_request_all(req, -EIO); else if (send_request(req) < 0) { - printk(VIOCD_KERN_WARNING - "unable to send message to OS/400!"); + pr_warning("unable to send message to OS/400!\n"); __blk_end_request_all(req, -EIO); } else rwreq++; @@ -327,8 +337,8 @@ static int viocd_media_changed(struct cdrom_device_info *cdi, int disc_nr) (u64)&we, VIOVERSION << 16, ((u64)device_no << 48), 0, 0, 0); if (hvrc != 0) { - printk(VIOCD_KERN_WARNING "bad rc on HvCallEvent_signalLpEventFast %d\n", - (int)hvrc); + pr_warning("bad rc on HvCallEvent_signalLpEventFast %d\n", + (int)hvrc); return -EIO; } @@ -338,9 +348,8 @@ static int viocd_media_changed(struct cdrom_device_info *cdi, int disc_nr) if (we.rc) { const struct vio_error_entry *err = vio_lookup_rc(viocd_err_table, we.sub_result); - printk(VIOCD_KERN_WARNING - "bad rc %d:0x%04X on check_change: %s; Assuming no change\n", - we.rc, we.sub_result, err->msg); + pr_warning("bad rc %d:0x%04X on check_change: %s; Assuming no change\n", + we.rc, we.sub_result, err->msg); return 0; } @@ -367,8 +376,8 @@ static int viocd_lock_door(struct cdrom_device_info *cdi, int locking) (u64)&we, VIOVERSION << 16, (device_no << 48) | (flags << 32), 0, 0, 0); if (hvrc != 0) { - printk(VIOCD_KERN_WARNING "bad rc on HvCallEvent_signalLpEventFast %d\n", - (int)hvrc); + pr_warning("bad rc on HvCallEvent_signalLpEventFast %d\n", + (int)hvrc); return -EIO; } @@ -455,8 +464,7 @@ static void vio_handle_cd_event(struct HvLpEvent *event) return; /* First, we should NEVER get an int here...only acks */ if (hvlpevent_is_int(event)) { - printk(VIOCD_KERN_WARNING - "Yikes! got an int in viocd event handler!\n"); + pr_warning("Yikes! got an int in viocd event handler!\n"); if (hvlpevent_need_ack(event)) { event->xRc = HvLpEvent_Rc_InvalidSubtype; HvCallEvent_ackLpEvent(event); @@ -510,10 +518,9 @@ return_complete: const struct vio_error_entry *err = vio_lookup_rc(viocd_err_table, bevent->sub_result); - printk(VIOCD_KERN_WARNING "request %p failed " - "with rc %d:0x%04X: %s\n", - req, event->xRc, - bevent->sub_result, err->msg); + pr_warning("request %p failed with rc %d:0x%04X: %s\n", + req, event->xRc, + bevent->sub_result, err->msg); __blk_end_request_all(req, -EIO); } else __blk_end_request_all(req, 0); @@ -524,9 +531,8 @@ return_complete: break; default: - printk(VIOCD_KERN_WARNING - "message with invalid subtype %0x04X!\n", - event->xSubtype & VIOMINOR_SUBTYPE_MASK); + pr_warning("message with invalid subtype %0x04X!\n", + event->xSubtype & VIOMINOR_SUBTYPE_MASK); if (hvlpevent_need_ack(event)) { event->xRc = HvLpEvent_Rc_InvalidSubtype; HvCallEvent_ackLpEvent(event); @@ -593,23 +599,19 @@ static int viocd_probe(struct vio_dev *vdev, const struct vio_device_id *id) sprintf(c->name, VIOCD_DEVICE "%c", 'a' + deviceno); if (register_cdrom(c) != 0) { - printk(VIOCD_KERN_WARNING "Cannot register viocd CD-ROM %s!\n", - c->name); + pr_warning("Cannot register viocd CD-ROM %s!\n", c->name); goto out; } - printk(VIOCD_KERN_INFO "cd %s is iSeries resource %10.10s " - "type %4.4s, model %3.3s\n", - c->name, d->rsrcname, d->type, d->model); + pr_info("cd %s is iSeries resource %10.10s type %4.4s, model %3.3s\n", + c->name, d->rsrcname, d->type, d->model); q = blk_init_queue(do_viocd_request, &viocd_reqlock); if (q == NULL) { - printk(VIOCD_KERN_WARNING "Cannot allocate queue for %s!\n", - c->name); + pr_warning("Cannot allocate queue for %s!\n", c->name); goto out_unregister_cdrom; } gendisk = alloc_disk(1); if (gendisk == NULL) { - printk(VIOCD_KERN_WARNING "Cannot create gendisk for %s!\n", - c->name); + pr_warning("Cannot create gendisk for %s!\n", c->name); goto out_cleanup_queue; } gendisk->major = VIOCD_MAJOR; @@ -682,21 +684,19 @@ static int __init viocd_init(void) return -ENODEV; } - printk(VIOCD_KERN_INFO "vers " VIOCD_VERS ", hosting partition %d\n", - viopath_hostLp); + pr_info("vers " VIOCD_VERS ", hosting partition %d\n", viopath_hostLp); if (register_blkdev(VIOCD_MAJOR, VIOCD_DEVICE) != 0) { - printk(VIOCD_KERN_WARNING "Unable to get major %d for %s\n", - VIOCD_MAJOR, VIOCD_DEVICE); + pr_warning("Unable to get major %d for %s\n", + VIOCD_MAJOR, VIOCD_DEVICE); return -EIO; } ret = viopath_open(viopath_hostLp, viomajorsubtype_cdio, MAX_CD_REQ + 2); if (ret) { - printk(VIOCD_KERN_WARNING - "error opening path to host partition %d\n", - viopath_hostLp); + pr_warning("error opening path to host partition %d\n", + viopath_hostLp); goto out_unregister; } diff --git a/drivers/char/Makefile b/drivers/char/Makefile index 273cee1..dc96416 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -9,6 +9,7 @@ FONTMAPFILE = cp437.uni obj-y += mem.o random.o tty_io.o n_tty.o tty_ioctl.o tty_ldisc.o tty_buffer.o tty_port.o +obj-y += tty_mutex.o obj-$(CONFIG_LEGACY_PTYS) += pty.o obj-$(CONFIG_UNIX98_PTYS) += pty.o obj-y += misc.o diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c index 4f8d60c..a11c8c9 100644 --- a/drivers/char/amiserial.c +++ b/drivers/char/amiserial.c @@ -1072,7 +1072,7 @@ static int get_serial_info(struct async_struct * info, if (!retinfo) return -EFAULT; memset(&tmp, 0, sizeof(tmp)); - lock_kernel(); + tty_lock(); tmp.type = state->type; tmp.line = state->line; tmp.port = state->port; @@ -1083,7 +1083,7 @@ static int get_serial_info(struct async_struct * info, tmp.close_delay = state->close_delay; tmp.closing_wait = state->closing_wait; tmp.custom_divisor = state->custom_divisor; - unlock_kernel(); + tty_unlock(); if (copy_to_user(retinfo,&tmp,sizeof(*retinfo))) return -EFAULT; return 0; @@ -1100,14 +1100,14 @@ static int set_serial_info(struct async_struct * info, if (copy_from_user(&new_serial,new_info,sizeof(new_serial))) return -EFAULT; - lock_kernel(); + tty_lock(); state = info->state; old_state = *state; change_irq = new_serial.irq != state->irq; change_port = (new_serial.port != state->port); if(change_irq || change_port || (new_serial.xmit_fifo_size != state->xmit_fifo_size)) { - unlock_kernel(); + tty_unlock(); return -EINVAL; } @@ -1127,7 +1127,7 @@ static int set_serial_info(struct async_struct * info, } if (new_serial.baud_base < 9600) { - unlock_kernel(); + tty_unlock(); return -EINVAL; } @@ -1163,7 +1163,7 @@ check_and_exit: } } else retval = startup(info); - unlock_kernel(); + tty_unlock(); return retval; } @@ -1528,6 +1528,7 @@ static void rs_wait_until_sent(struct tty_struct *tty, int timeout) { struct async_struct * info = tty->driver_data; unsigned long orig_jiffies, char_time; + int tty_was_locked = tty_locked(); int lsr; if (serial_paranoia_check(info, tty->name, "rs_wait_until_sent")) @@ -1538,7 +1539,12 @@ static void rs_wait_until_sent(struct tty_struct *tty, int timeout) orig_jiffies = jiffies; - lock_kernel(); + /* + * tty_wait_until_sent is called from lots of places, + * with or without the BTM. + */ + if (!tty_was_locked) + tty_lock(); /* * Set the check interval to be 1/5 of the estimated time to * send a single character, and make it at least 1. The check @@ -1579,7 +1585,8 @@ static void rs_wait_until_sent(struct tty_struct *tty, int timeout) break; } __set_current_state(TASK_RUNNING); - unlock_kernel(); + if (!tty_was_locked) + tty_unlock(); #ifdef SERIAL_DEBUG_RS_WAIT_UNTIL_SENT printk("lsr = %d (jiff=%lu)...done\n", lsr, jiffies); #endif @@ -1703,7 +1710,9 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, printk("block_til_ready blocking: ttys%d, count = %d\n", info->line, state->count); #endif + tty_unlock(); schedule(); + tty_lock(); } __set_current_state(TASK_RUNNING); remove_wait_queue(&info->open_wait, &wait); diff --git a/drivers/char/briq_panel.c b/drivers/char/briq_panel.c index 555cd93..d5fa113 100644 --- a/drivers/char/briq_panel.c +++ b/drivers/char/briq_panel.c @@ -67,15 +67,15 @@ static void set_led(char state) static int briq_panel_open(struct inode *ino, struct file *filep) { - lock_kernel(); + tty_lock(); /* enforce single access, vfd_is_open is protected by BKL */ if (vfd_is_open) { - unlock_kernel(); + tty_unlock(); return -EBUSY; } vfd_is_open = 1; - unlock_kernel(); + tty_unlock(); return 0; } diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c index 9824b416..27aad94 100644 --- a/drivers/char/cyclades.c +++ b/drivers/char/cyclades.c @@ -65,7 +65,6 @@ #include <linux/tty.h> #include <linux/tty_flip.h> #include <linux/serial.h> -#include <linux/smp_lock.h> #include <linux/major.h> #include <linux/string.h> #include <linux/fcntl.h> @@ -1608,7 +1607,7 @@ static int cy_open(struct tty_struct *tty, struct file *filp) * If the port is the middle of closing, bail out now */ if (tty_hung_up_p(filp) || (info->port.flags & ASYNC_CLOSING)) { - wait_event_interruptible(info->port.close_wait, + wait_event_interruptible_tty(info->port.close_wait, !(info->port.flags & ASYNC_CLOSING)); return (info->port.flags & ASYNC_HUP_NOTIFY) ? -EAGAIN: -ERESTARTSYS; } @@ -1655,7 +1654,6 @@ static void cy_wait_until_sent(struct tty_struct *tty, int timeout) return; /* Just in case.... */ orig_jiffies = jiffies; - lock_kernel(); /* * Set the check interval to be 1/5 of the estimated time to * send a single character, and make it at least 1. The check @@ -1702,7 +1700,6 @@ static void cy_wait_until_sent(struct tty_struct *tty, int timeout) } /* Run one more char cycle */ msleep_interruptible(jiffies_to_msecs(char_time * 5)); - unlock_kernel(); #ifdef CY_DEBUG_WAIT_UNTIL_SENT printk(KERN_DEBUG "Clean (jiff=%lu)...done\n", jiffies); #endif @@ -1959,7 +1956,6 @@ static int cy_chars_in_buffer(struct tty_struct *tty) int char_count; __u32 tx_put, tx_get, tx_bufsize; - lock_kernel(); tx_get = readl(&buf_ctrl->tx_get); tx_put = readl(&buf_ctrl->tx_put); tx_bufsize = readl(&buf_ctrl->tx_bufsize); @@ -1971,7 +1967,6 @@ static int cy_chars_in_buffer(struct tty_struct *tty) printk(KERN_DEBUG "cyc:cy_chars_in_buffer ttyC%d %d\n", info->line, info->xmit_cnt + char_count); #endif - unlock_kernel(); return info->xmit_cnt + char_count; } #endif /* Z_EXT_CHARS_IN_BUFFER */ @@ -2359,17 +2354,22 @@ cy_set_serial_info(struct cyclades_port *info, struct tty_struct *tty, struct serial_struct __user *new_info) { struct serial_struct new_serial; + int ret; if (copy_from_user(&new_serial, new_info, sizeof(new_serial))) return -EFAULT; + mutex_lock(&info->port.mutex); if (!capable(CAP_SYS_ADMIN)) { if (new_serial.close_delay != info->port.close_delay || new_serial.baud_base != info->baud || (new_serial.flags & ASYNC_FLAGS & ~ASYNC_USR_MASK) != (info->port.flags & ASYNC_FLAGS & ~ASYNC_USR_MASK)) + { + mutex_unlock(&info->port.mutex); return -EPERM; + } info->port.flags = (info->port.flags & ~ASYNC_USR_MASK) | (new_serial.flags & ASYNC_USR_MASK); info->baud = new_serial.baud_base; @@ -2392,10 +2392,12 @@ cy_set_serial_info(struct cyclades_port *info, struct tty_struct *tty, check_and_exit: if (info->port.flags & ASYNC_INITIALIZED) { cy_set_line_char(info, tty); - return 0; + ret = 0; } else { - return cy_startup(info, tty); + ret = cy_startup(info, tty); } + mutex_unlock(&info->port.mutex); + return ret; } /* set_serial_info */ /* @@ -2438,7 +2440,6 @@ static int cy_tiocmget(struct tty_struct *tty, struct file *file) card = info->card; - lock_kernel(); if (!cy_is_Z(card)) { unsigned long flags; int channel = info->line - card->first_line; @@ -2478,7 +2479,6 @@ static int cy_tiocmget(struct tty_struct *tty, struct file *file) ((lstatus & C_RS_CTS) ? TIOCM_CTS : 0); } end: - unlock_kernel(); return result; } /* cy_tiomget */ @@ -2696,7 +2696,6 @@ cy_ioctl(struct tty_struct *tty, struct file *file, printk(KERN_DEBUG "cyc:cy_ioctl ttyC%d, cmd = %x arg = %lx\n", info->line, cmd, arg); #endif - lock_kernel(); switch (cmd) { case CYGETMON: @@ -2817,7 +2816,6 @@ cy_ioctl(struct tty_struct *tty, struct file *file, default: ret_val = -ENOIOCTLCMD; } - unlock_kernel(); #ifdef CY_DEBUG_OTHER printk(KERN_DEBUG "cyc:cy_ioctl done\n"); diff --git a/drivers/char/epca.c b/drivers/char/epca.c index 6f5ffe1..d9df46a 100644 --- a/drivers/char/epca.c +++ b/drivers/char/epca.c @@ -36,7 +36,7 @@ #include <linux/ctype.h> #include <linux/tty.h> #include <linux/tty_flip.h> -#include <linux/smp_lock.h> +#include <linux/slab.h> #include <linux/ioport.h> #include <linux/interrupt.h> #include <linux/uaccess.h> @@ -2105,7 +2105,6 @@ static int pc_ioctl(struct tty_struct *tty, struct file *file, break; case DIGI_SETAW: case DIGI_SETAF: - lock_kernel(); if (cmd == DIGI_SETAW) { /* Setup an event to indicate when the transmit buffer empties */ @@ -2118,7 +2117,6 @@ static int pc_ioctl(struct tty_struct *tty, struct file *file, if (tty->ldisc->ops->flush_buffer) tty->ldisc->ops->flush_buffer(tty); } - unlock_kernel(); /* Fall Thru */ case DIGI_SETA: if (copy_from_user(&ch->digiext, argp, sizeof(digi_t))) diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c index 911e1da..07f3ea3 100644 --- a/drivers/char/ip2/ip2main.c +++ b/drivers/char/ip2/ip2main.c @@ -1486,7 +1486,9 @@ ip2_open( PTTY tty, struct file *pFile ) if ( tty_hung_up_p(pFile) || ( pCh->flags & ASYNC_CLOSING )) { if ( pCh->flags & ASYNC_CLOSING ) { + tty_unlock(); schedule(); + tty_lock(); } if ( tty_hung_up_p(pFile) ) { set_current_state( TASK_RUNNING ); @@ -1548,7 +1550,9 @@ ip2_open( PTTY tty, struct file *pFile ) rc = (( pCh->flags & ASYNC_HUP_NOTIFY ) ? -EAGAIN : -ERESTARTSYS); break; } + tty_unlock(); schedule(); + tty_lock(); } set_current_state( TASK_RUNNING ); remove_wait_queue(&pCh->open_wait, &wait); diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c index 98310e1..c27e9d2 100644 --- a/drivers/char/isicom.c +++ b/drivers/char/isicom.c @@ -124,7 +124,6 @@ #include <linux/fs.h> #include <linux/sched.h> #include <linux/serial.h> -#include <linux/smp_lock.h> #include <linux/mm.h> #include <linux/interrupt.h> #include <linux/timer.h> @@ -872,7 +871,6 @@ static struct tty_port *isicom_find_port(struct tty_struct *tty) static int isicom_open(struct tty_struct *tty, struct file *filp) { struct isi_port *port; - struct isi_board *card; struct tty_port *tport; tport = isicom_find_port(tty); @@ -1118,8 +1116,7 @@ static int isicom_set_serial_info(struct tty_struct *tty, if (copy_from_user(&newinfo, info, sizeof(newinfo))) return -EFAULT; - lock_kernel(); - + mutex_lock(&port->port.mutex); reconfig_port = ((port->port.flags & ASYNC_SPD_MASK) != (newinfo.flags & ASYNC_SPD_MASK)); @@ -1128,7 +1125,7 @@ static int isicom_set_serial_info(struct tty_struct *tty, (newinfo.closing_wait != port->port.closing_wait) || ((newinfo.flags & ~ASYNC_USR_MASK) != (port->port.flags & ~ASYNC_USR_MASK))) { - unlock_kernel(); + mutex_unlock(&port->port.mutex); return -EPERM; } port->port.flags = ((port->port.flags & ~ASYNC_USR_MASK) | @@ -1145,7 +1142,7 @@ static int isicom_set_serial_info(struct tty_struct *tty, isicom_config_port(tty); spin_unlock_irqrestore(&port->card->card_lock, flags); } - unlock_kernel(); + mutex_unlock(&port->port.mutex); return 0; } @@ -1154,7 +1151,7 @@ static int isicom_get_serial_info(struct isi_port *port, { struct serial_struct out_info; - lock_kernel(); + mutex_lock(&port->port.mutex); memset(&out_info, 0, sizeof(out_info)); /* out_info.type = ? */ out_info.line = port - isi_ports; @@ -1164,7 +1161,7 @@ static int isicom_get_serial_info(struct isi_port *port, /* out_info.baud_base = ? */ out_info.close_delay = port->port.close_delay; out_info.closing_wait = port->port.closing_wait; - unlock_kernel(); + mutex_unlock(&port->port.mutex); if (copy_to_user(info, &out_info, sizeof(out_info))) return -EFAULT; return 0; diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c index 4e395c9..be28391 100644 --- a/drivers/char/istallion.c +++ b/drivers/char/istallion.c @@ -203,9 +203,9 @@ static int stli_shared; * the board has been detected, and whether it is actually running a slave * or not. */ -#define BST_FOUND 0x1 -#define BST_STARTED 0x2 -#define BST_PROBED 0x4 +#define BST_FOUND 0 +#define BST_STARTED 1 +#define BST_PROBED 2 /* * Define the set of port state flags. These are marked for internal @@ -816,7 +816,7 @@ static int stli_open(struct tty_struct *tty, struct file *filp) brdp = stli_brds[brdnr]; if (brdp == NULL) return -ENODEV; - if ((brdp->state & BST_STARTED) == 0) + if (!test_bit(BST_STARTED, &brdp->state)) return -ENODEV; portnr = MINOR2PORT(minordev); if (portnr > brdp->nrports) @@ -954,7 +954,7 @@ static int stli_rawopen(struct stlibrd *brdp, struct stliport *portp, unsigned l * order of opens and closes may not be preserved across shared * memory, so we must wait until it is complete. */ - wait_event_interruptible(portp->raw_wait, + wait_event_interruptible_tty(portp->raw_wait, !test_bit(ST_CLOSING, &portp->state)); if (signal_pending(current)) { return -ERESTARTSYS; @@ -989,7 +989,7 @@ static int stli_rawopen(struct stlibrd *brdp, struct stliport *portp, unsigned l set_bit(ST_OPENING, &portp->state); spin_unlock_irqrestore(&brd_lock, flags); - wait_event_interruptible(portp->raw_wait, + wait_event_interruptible_tty(portp->raw_wait, !test_bit(ST_OPENING, &portp->state)); if (signal_pending(current)) rc = -ERESTARTSYS; @@ -1020,7 +1020,7 @@ static int stli_rawclose(struct stlibrd *brdp, struct stliport *portp, unsigned * occurs on this port. */ if (wait) { - wait_event_interruptible(portp->raw_wait, + wait_event_interruptible_tty(portp->raw_wait, !test_bit(ST_CLOSING, &portp->state)); if (signal_pending(current)) { return -ERESTARTSYS; @@ -1052,7 +1052,7 @@ static int stli_rawclose(struct stlibrd *brdp, struct stliport *portp, unsigned * to come back. */ rc = 0; - wait_event_interruptible(portp->raw_wait, + wait_event_interruptible_tty(portp->raw_wait, !test_bit(ST_CLOSING, &portp->state)); if (signal_pending(current)) rc = -ERESTARTSYS; @@ -1073,6 +1073,10 @@ static int stli_rawclose(struct stlibrd *brdp, struct stliport *portp, unsigned static int stli_cmdwait(struct stlibrd *brdp, struct stliport *portp, unsigned long cmd, void *arg, int size, int copyback) { + /* + * no need for wait_event_tty because clearing ST_CMDING cannot block + * on BTM + */ wait_event_interruptible(portp->raw_wait, !test_bit(ST_CMDING, &portp->state)); if (signal_pending(current)) @@ -1846,7 +1850,7 @@ static void stli_portinfo(struct seq_file *m, struct stlibrd *brdp, struct stlip rc = stli_portcmdstats(NULL, portp); uart = "UNKNOWN"; - if (brdp->state & BST_STARTED) { + if (test_bit(BST_STARTED, &brdp->state)) { switch (stli_comstats.hwid) { case 0: uart = "2681"; break; case 1: uart = "SC26198"; break; @@ -1855,7 +1859,7 @@ static void stli_portinfo(struct seq_file *m, struct stlibrd *brdp, struct stlip } seq_printf(m, "%d: uart:%s ", portnr, uart); - if ((brdp->state & BST_STARTED) && (rc >= 0)) { + if (test_bit(BST_STARTED, &brdp->state) && rc >= 0) { char sep; seq_printf(m, "tx:%d rx:%d", (int) stli_comstats.txtotal, @@ -2355,7 +2359,7 @@ static void stli_poll(unsigned long arg) brdp = stli_brds[brdnr]; if (brdp == NULL) continue; - if ((brdp->state & BST_STARTED) == 0) + if (!test_bit(BST_STARTED, &brdp->state)) continue; spin_lock(&brd_lock); @@ -3140,7 +3144,7 @@ static int stli_initecp(struct stlibrd *brdp) } - brdp->state |= BST_FOUND; + set_bit(BST_FOUND, &brdp->state); return 0; err_unmap: iounmap(brdp->membase); @@ -3297,7 +3301,7 @@ static int stli_initonb(struct stlibrd *brdp) brdp->panels[0] = brdp->nrports; - brdp->state |= BST_FOUND; + set_bit(BST_FOUND, &brdp->state); return 0; err_unmap: iounmap(brdp->membase); @@ -3407,7 +3411,7 @@ stli_donestartup: spin_unlock_irqrestore(&brd_lock, flags); if (rc == 0) - brdp->state |= BST_STARTED; + set_bit(BST_STARTED, &brdp->state); if (! stli_timeron) { stli_timeron++; @@ -3710,7 +3714,7 @@ static int __devinit stli_pciprobe(struct pci_dev *pdev, if (retval) goto err_null; - brdp->state |= BST_PROBED; + set_bit(BST_PROBED, &brdp->state); pci_set_drvdata(pdev, brdp); EBRDENABLE(brdp); @@ -3841,7 +3845,7 @@ static int __init stli_initbrds(void) brdp = stli_brds[i]; if (brdp == NULL) continue; - if (brdp->state & BST_FOUND) { + if (test_bit(BST_FOUND, &brdp->state)) { EBRDENABLE(brdp); brdp->enable = NULL; brdp->disable = NULL; @@ -4011,6 +4015,7 @@ static int stli_getbrdstats(combrd_t __user *bp) return -ENODEV; memset(&stli_brdstats, 0, sizeof(combrd_t)); + stli_brdstats.brd = brdp->brdnr; stli_brdstats.type = brdp->brdtype; stli_brdstats.hwid = 0; @@ -4076,10 +4081,13 @@ static int stli_portcmdstats(struct tty_struct *tty, struct stliport *portp) if (brdp == NULL) return -ENODEV; - if (brdp->state & BST_STARTED) { + mutex_lock(&portp->port.mutex); + if (test_bit(BST_STARTED, &brdp->state)) { if ((rc = stli_cmdwait(brdp, portp, A_GETSTATS, - &stli_cdkstats, sizeof(asystats_t), 1)) < 0) + &stli_cdkstats, sizeof(asystats_t), 1)) < 0) { + mutex_unlock(&portp->port.mutex); return rc; + } } else { memset(&stli_cdkstats, 0, sizeof(asystats_t)); } @@ -4124,6 +4132,7 @@ static int stli_portcmdstats(struct tty_struct *tty, struct stliport *portp) stli_comstats.modem = stli_cdkstats.dcdcnt; stli_comstats.hwid = stli_cdkstats.hwid; stli_comstats.signals = stli_mktiocm(stli_cdkstats.signals); + mutex_unlock(&portp->port.mutex); return 0; } @@ -4186,15 +4195,20 @@ static int stli_clrportstats(struct stliport *portp, comstats_t __user *cp) if (!brdp) return -ENODEV; - if (brdp->state & BST_STARTED) { - if ((rc = stli_cmdwait(brdp, portp, A_CLEARSTATS, NULL, 0, 0)) < 0) + mutex_lock(&portp->port.mutex); + + if (test_bit(BST_STARTED, &brdp->state)) { + if ((rc = stli_cmdwait(brdp, portp, A_CLEARSTATS, NULL, 0, 0)) < 0) { + mutex_unlock(&portp->port.mutex); return rc; + } } memset(&stli_comstats, 0, sizeof(comstats_t)); stli_comstats.brd = portp->brdnr; stli_comstats.panel = portp->panelnr; stli_comstats.port = portp->portnr; + mutex_unlock(&portp->port.mutex); if (copy_to_user(cp, &stli_comstats, sizeof(comstats_t))) return -EFAULT; @@ -4266,8 +4280,6 @@ static long stli_memioctl(struct file *fp, unsigned int cmd, unsigned long arg) done = 0; rc = 0; - lock_kernel(); - switch (cmd) { case COM_GETPORTSTATS: rc = stli_getportstats(NULL, NULL, argp); @@ -4290,8 +4302,6 @@ static long stli_memioctl(struct file *fp, unsigned int cmd, unsigned long arg) done++; break; } - unlock_kernel(); - if (done) return rc; @@ -4308,8 +4318,6 @@ static long stli_memioctl(struct file *fp, unsigned int cmd, unsigned long arg) if (brdp->state == 0) return -ENODEV; - lock_kernel(); - switch (cmd) { case STL_BINTR: EBRDINTR(brdp); @@ -4318,10 +4326,10 @@ static long stli_memioctl(struct file *fp, unsigned int cmd, unsigned long arg) rc = stli_startbrd(brdp); break; case STL_BSTOP: - brdp->state &= ~BST_STARTED; + clear_bit(BST_STARTED, &brdp->state); break; case STL_BRESET: - brdp->state &= ~BST_STARTED; + clear_bit(BST_STARTED, &brdp->state); EBRDRESET(brdp); if (stli_shared == 0) { if (brdp->reenable != NULL) @@ -4332,7 +4340,6 @@ static long stli_memioctl(struct file *fp, unsigned int cmd, unsigned long arg) rc = -ENOIOCTLCMD; break; } - unlock_kernel(); return rc; } @@ -4378,7 +4385,8 @@ static void istallion_cleanup_isa(void) unsigned int j; for (j = 0; (j < stli_nrbrds); j++) { - if ((brdp = stli_brds[j]) == NULL || (brdp->state & BST_PROBED)) + if ((brdp = stli_brds[j]) == NULL || + test_bit(BST_PROBED, &brdp->state)) continue; stli_cleanup_ports(brdp); diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c index 25be210..a7ca752 100644 --- a/drivers/char/keyboard.c +++ b/drivers/char/keyboard.c @@ -299,7 +299,7 @@ int kbd_rate(struct kbd_repeat *rep) */ static void put_queue(struct vc_data *vc, int ch) { - struct tty_struct *tty = vc->vc_tty; + struct tty_struct *tty = vc->port.tty; if (tty) { tty_insert_flip_char(tty, ch, 0); @@ -309,7 +309,7 @@ static void put_queue(struct vc_data *vc, int ch) static void puts_queue(struct vc_data *vc, char *cp) { - struct tty_struct *tty = vc->vc_tty; + struct tty_struct *tty = vc->port.tty; if (!tty) return; @@ -485,7 +485,7 @@ static void fn_show_ptregs(struct vc_data *vc) static void fn_hold(struct vc_data *vc) { - struct tty_struct *tty = vc->vc_tty; + struct tty_struct *tty = vc->port.tty; if (rep || !tty) return; @@ -563,7 +563,7 @@ static void fn_inc_console(struct vc_data *vc) static void fn_send_intr(struct vc_data *vc) { - struct tty_struct *tty = vc->vc_tty; + struct tty_struct *tty = vc->port.tty; if (!tty) return; @@ -1162,7 +1162,7 @@ static void kbd_keycode(unsigned int keycode, int down, int hw_raw) struct keyboard_notifier_param param = { .vc = vc, .value = keycode, .down = down }; int rc; - tty = vc->vc_tty; + tty = vc->port.tty; if (tty && (!tty->driver_data)) { /* No driver data? Strange. Okay we fix it then. */ diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c index d2692d4..3fc89da 100644 --- a/drivers/char/mxser.c +++ b/drivers/char/mxser.c @@ -2193,7 +2193,7 @@ static void mxser_transmit_chars(struct tty_struct *tty, struct mxser_port *port port->mon_data.up_txcnt += (cnt - port->xmit_cnt); port->icount.tx += (cnt - port->xmit_cnt); - if (port->xmit_cnt < WAKEUP_CHARS && tty) + if (port->xmit_cnt < WAKEUP_CHARS) tty_wakeup(tty); if (port->xmit_cnt <= 0) { diff --git a/drivers/char/n_gsm.c b/drivers/char/n_gsm.c index e4089c4..099105e 100644 --- a/drivers/char/n_gsm.c +++ b/drivers/char/n_gsm.c @@ -43,7 +43,6 @@ #include <linux/sched.h> #include <linux/interrupt.h> #include <linux/tty.h> -#include <linux/timer.h> #include <linux/ctype.h> #include <linux/mm.h> #include <linux/string.h> diff --git a/drivers/char/n_hdlc.c b/drivers/char/n_hdlc.c index c68118e..47d3228 100644 --- a/drivers/char/n_hdlc.c +++ b/drivers/char/n_hdlc.c @@ -598,18 +598,18 @@ static ssize_t n_hdlc_tty_read(struct tty_struct *tty, struct file *file, return -EFAULT; } - lock_kernel(); + tty_lock(); for (;;) { if (test_bit(TTY_OTHER_CLOSED, &tty->flags)) { - unlock_kernel(); + tty_unlock(); return -EIO; } n_hdlc = tty2n_hdlc (tty); if (!n_hdlc || n_hdlc->magic != HDLC_MAGIC || tty != n_hdlc->tty) { - unlock_kernel(); + tty_unlock(); return 0; } @@ -619,13 +619,13 @@ static ssize_t n_hdlc_tty_read(struct tty_struct *tty, struct file *file, /* no data */ if (file->f_flags & O_NONBLOCK) { - unlock_kernel(); + tty_unlock(); return -EAGAIN; } interruptible_sleep_on (&tty->read_wait); if (signal_pending(current)) { - unlock_kernel(); + tty_unlock(); return -EINTR; } } @@ -648,7 +648,7 @@ static ssize_t n_hdlc_tty_read(struct tty_struct *tty, struct file *file, kfree(rbuf); else n_hdlc_buf_put(&n_hdlc->rx_free_buf_list,rbuf); - unlock_kernel(); + tty_unlock(); return ret; } /* end of n_hdlc_tty_read() */ @@ -691,7 +691,7 @@ static ssize_t n_hdlc_tty_write(struct tty_struct *tty, struct file *file, count = maxframe; } - lock_kernel(); + tty_lock(); add_wait_queue(&tty->write_wait, &wait); set_current_state(TASK_INTERRUPTIBLE); @@ -731,7 +731,7 @@ static ssize_t n_hdlc_tty_write(struct tty_struct *tty, struct file *file, n_hdlc_buf_put(&n_hdlc->tx_buf_list,tbuf); n_hdlc_send_frames(n_hdlc,tty); } - unlock_kernel(); + tty_unlock(); return error; } /* end of n_hdlc_tty_write() */ diff --git a/drivers/char/n_r3964.c b/drivers/char/n_r3964.c index c1d8b54..a98290d 100644 --- a/drivers/char/n_r3964.c +++ b/drivers/char/n_r3964.c @@ -1067,7 +1067,7 @@ static ssize_t r3964_read(struct tty_struct *tty, struct file *file, TRACE_L("read()"); - lock_kernel(); + tty_lock(); pClient = findClient(pInfo, task_pid(current)); if (pClient) { @@ -1079,7 +1079,7 @@ static ssize_t r3964_read(struct tty_struct *tty, struct file *file, goto unlock; } /* block until there is a message: */ - wait_event_interruptible(pInfo->read_wait, + wait_event_interruptible_tty(pInfo->read_wait, (pMsg = remove_msg(pInfo, pClient))); } @@ -1109,7 +1109,7 @@ static ssize_t r3964_read(struct tty_struct *tty, struct file *file, } ret = -EPERM; unlock: - unlock_kernel(); + tty_unlock(); return ret; } @@ -1158,7 +1158,7 @@ static ssize_t r3964_write(struct tty_struct *tty, struct file *file, pHeader->locks = 0; pHeader->owner = NULL; - lock_kernel(); + tty_lock(); pClient = findClient(pInfo, task_pid(current)); if (pClient) { @@ -1177,7 +1177,7 @@ static ssize_t r3964_write(struct tty_struct *tty, struct file *file, add_tx_queue(pInfo, pHeader); trigger_transmit(pInfo); - unlock_kernel(); + tty_unlock(); return 0; } diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c index bdae832..428f4fe 100644 --- a/drivers/char/n_tty.c +++ b/drivers/char/n_tty.c @@ -1102,6 +1102,11 @@ static inline void n_tty_receive_char(struct tty_struct *tty, unsigned char c) if (I_IUCLC(tty) && L_IEXTEN(tty)) c = tolower(c); + if (L_EXTPROC(tty)) { + put_tty_queue(c, tty); + return; + } + if (tty->stopped && !tty->flow_stopped && I_IXON(tty) && I_IXANY(tty) && c != START_CHAR(tty) && c != STOP_CHAR(tty) && c != INTR_CHAR(tty) && c != QUIT_CHAR(tty) && c != SUSP_CHAR(tty)) { @@ -1409,7 +1414,8 @@ static void n_tty_receive_buf(struct tty_struct *tty, const unsigned char *cp, n_tty_set_room(tty); - if (!tty->icanon && (tty->read_cnt >= tty->minimum_to_wake)) { + if ((!tty->icanon && (tty->read_cnt >= tty->minimum_to_wake)) || + L_EXTPROC(tty)) { kill_fasync(&tty->fasync, SIGIO, POLL_IN); if (waitqueue_active(&tty->read_wait)) wake_up_interruptible(&tty->read_wait); @@ -1585,7 +1591,7 @@ static int n_tty_open(struct tty_struct *tty) static inline int input_available_p(struct tty_struct *tty, int amt) { tty_flush_to_ldisc(tty); - if (tty->icanon) { + if (tty->icanon && !L_EXTPROC(tty)) { if (tty->canon_data) return 1; } else if (tty->read_cnt >= (amt ? amt : 1)) @@ -1632,6 +1638,11 @@ static int copy_from_read_buf(struct tty_struct *tty, spin_lock_irqsave(&tty->read_lock, flags); tty->read_tail = (tty->read_tail + n) & (N_TTY_BUF_SIZE-1); tty->read_cnt -= n; + /* Turn single EOF into zero-length read */ + if (L_EXTPROC(tty) && tty->icanon && n == 1) { + if (!tty->read_cnt && (*b)[n-1] == EOF_CHAR(tty)) + n--; + } spin_unlock_irqrestore(&tty->read_lock, flags); *b += n; *nr -= n; @@ -1812,7 +1823,7 @@ do_it_again: nr--; } - if (tty->icanon) { + if (tty->icanon && !L_EXTPROC(tty)) { /* N.B. avoid overrun if nr == 0 */ while (nr && tty->read_cnt) { int eol; diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c index a663800..18af923 100644 --- a/drivers/char/nozomi.c +++ b/drivers/char/nozomi.c @@ -1611,6 +1611,8 @@ static int ntty_install(struct tty_driver *driver, struct tty_struct *tty) ret = tty_init_termios(tty); if (ret == 0) { tty_driver_kref_get(driver); + tty->count++; + tty->driver_data = port; driver->ttys[tty->index] = tty; } return ret; @@ -1639,7 +1641,7 @@ static int ntty_activate(struct tty_port *tport, struct tty_struct *tty) static int ntty_open(struct tty_struct *tty, struct file *filp) { - struct port *port = get_port_by_tty(tty); + struct port *port = tty->driver_data; return tty_port_open(&port->port, tty, filp); } diff --git a/drivers/char/pty.c b/drivers/char/pty.c index d83a431..ad46eae 100644 --- a/drivers/char/pty.c +++ b/drivers/char/pty.c @@ -62,7 +62,9 @@ static void pty_close(struct tty_struct *tty, struct file *filp) if (tty->driver == ptm_driver) devpts_pty_kill(tty->link); #endif + tty_unlock(); tty_vhangup(tty->link); + tty_lock(); } } @@ -171,6 +173,23 @@ static int pty_set_lock(struct tty_struct *tty, int __user *arg) return 0; } +/* Send a signal to the slave */ +static int pty_signal(struct tty_struct *tty, int sig) +{ + unsigned long flags; + struct pid *pgrp; + + if (tty->link) { + spin_lock_irqsave(&tty->link->ctrl_lock, flags); + pgrp = get_pid(tty->link->pgrp); + spin_unlock_irqrestore(&tty->link->ctrl_lock, flags); + + kill_pgrp(pgrp, sig, 1); + put_pid(pgrp); + } + return 0; +} + static void pty_flush_buffer(struct tty_struct *tty) { struct tty_struct *to = tty->link; @@ -321,6 +340,8 @@ static int pty_bsd_ioctl(struct tty_struct *tty, struct file *file, switch (cmd) { case TIOCSPTLCK: /* Set PT Lock (disallow slave open) */ return pty_set_lock(tty, (int __user *) arg); + case TIOCSIG: /* Send signal to other side of pty */ + return pty_signal(tty, (int) arg); } return -ENOIOCTLCMD; } @@ -476,6 +497,8 @@ static int pty_unix98_ioctl(struct tty_struct *tty, struct file *file, return pty_set_lock(tty, (int __user *)arg); case TIOCGPTN: /* Get PT Number */ return put_user(tty->index, (unsigned int __user *)arg); + case TIOCSIG: /* Send signal to other side of pty */ + return pty_signal(tty, (int) arg); } return -ENOIOCTLCMD; @@ -626,7 +649,7 @@ static const struct tty_operations pty_unix98_ops = { * allocated_ptys_lock handles the list of free pty numbers */ -static int __ptmx_open(struct inode *inode, struct file *filp) +static int ptmx_open(struct inode *inode, struct file *filp) { struct tty_struct *tty; int retval; @@ -635,11 +658,14 @@ static int __ptmx_open(struct inode *inode, struct file *filp) nonseekable_open(inode, filp); /* find a device that is not in use. */ + tty_lock(); index = devpts_new_index(inode); + tty_unlock(); if (index < 0) return index; mutex_lock(&tty_mutex); + tty_lock(); tty = tty_init_dev(ptm_driver, index, 1); mutex_unlock(&tty_mutex); @@ -657,26 +683,21 @@ static int __ptmx_open(struct inode *inode, struct file *filp) goto out1; retval = ptm_driver->ops->open(tty, filp); - if (!retval) - return 0; + if (retval) + goto out2; out1: + tty_unlock(); + return retval; +out2: + tty_unlock(); tty_release(inode, filp); return retval; out: devpts_kill_index(inode, index); + tty_unlock(); return retval; } -static int ptmx_open(struct inode *inode, struct file *filp) -{ - int ret; - - lock_kernel(); - ret = __ptmx_open(inode, filp); - unlock_kernel(); - return ret; -} - static struct file_operations ptmx_fops; static void __init unix98_pty_init(void) diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c index b02332a..af4de1f 100644 --- a/drivers/char/riscom8.c +++ b/drivers/char/riscom8.c @@ -47,7 +47,6 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/tty_flip.h> -#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <linux/device.h> @@ -1184,6 +1183,7 @@ static int rc_set_serial_info(struct tty_struct *tty, struct riscom_port *port, if (copy_from_user(&tmp, newinfo, sizeof(tmp))) return -EFAULT; + mutex_lock(&port->port.mutex); change_speed = ((port->port.flags & ASYNC_SPD_MASK) != (tmp.flags & ASYNC_SPD_MASK)); @@ -1191,8 +1191,10 @@ static int rc_set_serial_info(struct tty_struct *tty, struct riscom_port *port, if ((tmp.close_delay != port->port.close_delay) || (tmp.closing_wait != port->port.closing_wait) || ((tmp.flags & ~ASYNC_USR_MASK) != - (port->port.flags & ~ASYNC_USR_MASK))) + (port->port.flags & ~ASYNC_USR_MASK))) { + mutex_unlock(&port->port.mutex); return -EPERM; + } port->port.flags = ((port->port.flags & ~ASYNC_USR_MASK) | (tmp.flags & ASYNC_USR_MASK)); } else { @@ -1208,6 +1210,7 @@ static int rc_set_serial_info(struct tty_struct *tty, struct riscom_port *port, rc_change_speed(tty, bp, port); spin_unlock_irqrestore(&riscom_lock, flags); } + mutex_unlock(&port->port.mutex); return 0; } @@ -1220,12 +1223,15 @@ static int rc_get_serial_info(struct riscom_port *port, memset(&tmp, 0, sizeof(tmp)); tmp.type = PORT_CIRRUS; tmp.line = port - rc_port; + + mutex_lock(&port->port.mutex); tmp.port = bp->base; tmp.irq = bp->irq; tmp.flags = port->port.flags; tmp.baud_base = (RC_OSCFREQ + CD180_TPC/2) / CD180_TPC; tmp.close_delay = port->port.close_delay * HZ/100; tmp.closing_wait = port->port.closing_wait * HZ/100; + mutex_unlock(&port->port.mutex); tmp.xmit_fifo_size = CD180_NFIFO; return copy_to_user(retinfo, &tmp, sizeof(tmp)) ? -EFAULT : 0; } @@ -1242,14 +1248,10 @@ static int rc_ioctl(struct tty_struct *tty, struct file *filp, switch (cmd) { case TIOCGSERIAL: - lock_kernel(); retval = rc_get_serial_info(port, argp); - unlock_kernel(); break; case TIOCSSERIAL: - lock_kernel(); retval = rc_set_serial_info(tty, port, argp); - unlock_kernel(); break; default: retval = -ENOIOCTLCMD; diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c index 0e29a23..79c3bc6 100644 --- a/drivers/char/rocket.c +++ b/drivers/char/rocket.c @@ -73,7 +73,6 @@ #include <linux/tty_driver.h> #include <linux/tty_flip.h> #include <linux/serial.h> -#include <linux/smp_lock.h> #include <linux/string.h> #include <linux/fcntl.h> #include <linux/ptrace.h> @@ -1017,6 +1016,7 @@ static void rp_close(struct tty_struct *tty, struct file *filp) if (tty_port_close_start(port, tty, filp) == 0) return; + mutex_lock(&port->mutex); cp = &info->channel; /* * Before we drop DTR, make sure the UART transmitter @@ -1060,9 +1060,13 @@ static void rp_close(struct tty_struct *tty, struct file *filp) info->xmit_buf = NULL; } } + spin_lock_irq(&port->lock); info->port.flags &= ~(ASYNC_INITIALIZED | ASYNC_CLOSING | ASYNC_NORMAL_ACTIVE); tty->closing = 0; + spin_unlock_irq(&port->lock); + mutex_unlock(&port->mutex); tty_port_tty_set(port, NULL); + wake_up_interruptible(&port->close_wait); complete_all(&info->close_wait); atomic_dec(&rp_num_ports_open); @@ -1210,11 +1214,13 @@ static int get_config(struct r_port *info, struct rocket_config __user *retinfo) if (!retinfo) return -EFAULT; memset(&tmp, 0, sizeof (tmp)); + mutex_lock(&info->port.mutex); tmp.line = info->line; tmp.flags = info->flags; tmp.close_delay = info->port.close_delay; tmp.closing_wait = info->port.closing_wait; tmp.port = rcktpt_io_addr[(info->line >> 5) & 3]; + mutex_unlock(&info->port.mutex); if (copy_to_user(retinfo, &tmp, sizeof (*retinfo))) return -EFAULT; @@ -1229,10 +1235,13 @@ static int set_config(struct tty_struct *tty, struct r_port *info, if (copy_from_user(&new_serial, new_info, sizeof (new_serial))) return -EFAULT; + mutex_lock(&info->port.mutex); if (!capable(CAP_SYS_ADMIN)) { - if ((new_serial.flags & ~ROCKET_USR_MASK) != (info->flags & ~ROCKET_USR_MASK)) + if ((new_serial.flags & ~ROCKET_USR_MASK) != (info->flags & ~ROCKET_USR_MASK)) { + mutex_unlock(&info->port.mutex); return -EPERM; + } info->flags = ((info->flags & ~ROCKET_USR_MASK) | (new_serial.flags & ROCKET_USR_MASK)); configure_r_port(tty, info, NULL); return 0; @@ -1250,6 +1259,7 @@ static int set_config(struct tty_struct *tty, struct r_port *info, tty->alt_speed = 230400; if ((info->flags & ROCKET_SPD_MASK) == ROCKET_SPD_WARP) tty->alt_speed = 460800; + mutex_unlock(&info->port.mutex); configure_r_port(tty, info, NULL); return 0; @@ -1325,8 +1335,6 @@ static int rp_ioctl(struct tty_struct *tty, struct file *file, if (cmd != RCKP_GET_PORTS && rocket_paranoia_check(info, "rp_ioctl")) return -ENXIO; - lock_kernel(); - switch (cmd) { case RCKP_GET_STRUCT: if (copy_to_user(argp, info, sizeof (struct r_port))) @@ -1350,7 +1358,6 @@ static int rp_ioctl(struct tty_struct *tty, struct file *file, default: ret = -ENOIOCTLCMD; } - unlock_kernel(); return ret; } @@ -1471,7 +1478,6 @@ static void rp_wait_until_sent(struct tty_struct *tty, int timeout) jiffies); printk(KERN_INFO "cps=%d...\n", info->cps); #endif - lock_kernel(); while (1) { txcnt = sGetTxCnt(cp); if (!txcnt) { @@ -1499,7 +1505,6 @@ static void rp_wait_until_sent(struct tty_struct *tty, int timeout) break; } __set_current_state(TASK_RUNNING); - unlock_kernel(); #ifdef ROCKET_DEBUG_WAIT_UNTIL_SENT printk(KERN_INFO "txcnt = %d (jiff=%lu)...done\n", txcnt, jiffies); #endif @@ -1512,6 +1517,7 @@ static void rp_hangup(struct tty_struct *tty) { CHANNEL_t *cp; struct r_port *info = tty->driver_data; + unsigned long flags; if (rocket_paranoia_check(info, "rp_hangup")) return; @@ -1520,11 +1526,15 @@ static void rp_hangup(struct tty_struct *tty) printk(KERN_INFO "rp_hangup of ttyR%d...\n", info->line); #endif rp_flush_buffer(tty); - if (info->port.flags & ASYNC_CLOSING) + spin_lock_irqsave(&info->port.lock, flags); + if (info->port.flags & ASYNC_CLOSING) { + spin_unlock_irqrestore(&info->port.lock, flags); return; + } if (info->port.count) atomic_dec(&rp_num_ports_open); clear_bit((info->aiop * 8) + info->chan, (void *) &xmit_flags[info->board]); + spin_unlock_irqrestore(&info->port.lock, flags); tty_port_hangup(&info->port); @@ -1535,7 +1545,7 @@ static void rp_hangup(struct tty_struct *tty) sDisCTSFlowCtl(cp); sDisTxSoftFlowCtl(cp); sClrTxXOFF(cp); - info->port.flags &= ~ASYNC_INITIALIZED; + clear_bit(ASYNCB_INITIALIZED, &info->port.flags); wake_up_interruptible(&info->port.open_wait); } diff --git a/drivers/char/selection.c b/drivers/char/selection.c index f97b9e8..ebae344 100644 --- a/drivers/char/selection.c +++ b/drivers/char/selection.c @@ -26,6 +26,7 @@ #include <linux/selection.h> #include <linux/tiocl.h> #include <linux/console.h> +#include <linux/smp_lock.h> /* Don't take this from <ctype.h>: 011-015 on the screen aren't spaces */ #define isspace(c) ((c) == ' ') @@ -312,12 +313,20 @@ int paste_selection(struct tty_struct *tty) struct tty_ldisc *ld; DECLARE_WAITQUEUE(wait, current); + /* always called with BTM from vt_ioctl */ + WARN_ON(!tty_locked()); + acquire_console_sem(); poke_blanked_console(); release_console_sem(); - ld = tty_ldisc_ref_wait(tty); - + ld = tty_ldisc_ref(tty); + if (!ld) { + tty_unlock(); + ld = tty_ldisc_ref_wait(tty); + tty_lock(); + } + add_wait_queue(&vc->paste_wait, &wait); while (sel_buffer && sel_buffer_lth > pasted) { set_current_state(TASK_INTERRUPTIBLE); diff --git a/drivers/char/serial167.c b/drivers/char/serial167.c index ecbe479..f646725 100644 --- a/drivers/char/serial167.c +++ b/drivers/char/serial167.c @@ -1505,7 +1505,7 @@ cy_ioctl(struct tty_struct *tty, struct file *file, printk("cy_ioctl %s, cmd = %x arg = %lx\n", tty->name, cmd, arg); /* */ #endif - lock_kernel(); + tty_lock(); switch (cmd) { case CYGETMON: @@ -1561,7 +1561,7 @@ cy_ioctl(struct tty_struct *tty, struct file *file, default: ret_val = -ENOIOCTLCMD; } - unlock_kernel(); + tty_unlock(); #ifdef SERIAL_DEBUG_OTHER printk("cy_ioctl done\n"); @@ -1786,7 +1786,9 @@ block_til_ready(struct tty_struct *tty, struct file *filp, tty->name, info->count); /**/ #endif - schedule(); + tty_unlock(); + schedule(); + tty_lock(); } __set_current_state(TASK_RUNNING); remove_wait_queue(&info->open_wait, &wait); diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c index 2c24fcd..9f8495b 100644 --- a/drivers/char/specialix.c +++ b/drivers/char/specialix.c @@ -1365,7 +1365,9 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, retval = -ERESTARTSYS; break; } + tty_unlock(); schedule(); + tty_lock(); } set_current_state(TASK_RUNNING); @@ -1863,8 +1865,7 @@ static int sx_set_serial_info(struct specialix_port *port, return -EFAULT; } - lock_kernel(); - + mutex_lock(&port->port.mutex); change_speed = ((port->port.flags & ASYNC_SPD_MASK) != (tmp.flags & ASYNC_SPD_MASK)); change_speed |= (tmp.custom_divisor != port->custom_divisor); @@ -1875,7 +1876,7 @@ static int sx_set_serial_info(struct specialix_port *port, ((tmp.flags & ~ASYNC_USR_MASK) != (port->port.flags & ~ASYNC_USR_MASK))) { func_exit(); - unlock_kernel(); + mutex_unlock(&port->port.mutex); return -EPERM; } port->port.flags = ((port->port.flags & ~ASYNC_USR_MASK) | @@ -1892,7 +1893,7 @@ static int sx_set_serial_info(struct specialix_port *port, sx_change_speed(bp, port); func_exit(); - unlock_kernel(); + mutex_unlock(&port->port.mutex); return 0; } @@ -1906,7 +1907,7 @@ static int sx_get_serial_info(struct specialix_port *port, func_enter(); memset(&tmp, 0, sizeof(tmp)); - lock_kernel(); + mutex_lock(&port->port.mutex); tmp.type = PORT_CIRRUS; tmp.line = port - sx_port; tmp.port = bp->base; @@ -1917,7 +1918,7 @@ static int sx_get_serial_info(struct specialix_port *port, tmp.closing_wait = port->port.closing_wait * HZ/100; tmp.custom_divisor = port->custom_divisor; tmp.xmit_fifo_size = CD186x_NFIFO; - unlock_kernel(); + mutex_unlock(&port->port.mutex); if (copy_to_user(retinfo, &tmp, sizeof(tmp))) { func_exit(); return -EFAULT; diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c index 6049fd7..f2167f8 100644 --- a/drivers/char/stallion.c +++ b/drivers/char/stallion.c @@ -807,7 +807,6 @@ static void stl_waituntilsent(struct tty_struct *tty, int timeout) timeout = HZ; tend = jiffies + timeout; - lock_kernel(); while (stl_datastate(portp)) { if (signal_pending(current)) break; @@ -815,7 +814,6 @@ static void stl_waituntilsent(struct tty_struct *tty, int timeout) if (time_after_eq(jiffies, tend)) break; } - unlock_kernel(); } /*****************************************************************************/ @@ -1029,6 +1027,8 @@ static int stl_getserial(struct stlport *portp, struct serial_struct __user *sp) pr_debug("stl_getserial(portp=%p,sp=%p)\n", portp, sp); memset(&sio, 0, sizeof(struct serial_struct)); + + mutex_lock(&portp->port.mutex); sio.line = portp->portnr; sio.port = portp->ioaddr; sio.flags = portp->port.flags; @@ -1048,6 +1048,7 @@ static int stl_getserial(struct stlport *portp, struct serial_struct __user *sp) brdp = stl_brds[portp->brdnr]; if (brdp != NULL) sio.irq = brdp->irq; + mutex_unlock(&portp->port.mutex); return copy_to_user(sp, &sio, sizeof(struct serial_struct)) ? -EFAULT : 0; } @@ -1069,12 +1070,15 @@ static int stl_setserial(struct tty_struct *tty, struct serial_struct __user *sp if (copy_from_user(&sio, sp, sizeof(struct serial_struct))) return -EFAULT; + mutex_lock(&portp->port.mutex); if (!capable(CAP_SYS_ADMIN)) { if ((sio.baud_base != portp->baud_base) || (sio.close_delay != portp->close_delay) || ((sio.flags & ~ASYNC_USR_MASK) != - (portp->port.flags & ~ASYNC_USR_MASK))) + (portp->port.flags & ~ASYNC_USR_MASK))) { + mutex_unlock(&portp->port.mutex); return -EPERM; + } } portp->port.flags = (portp->port.flags & ~ASYNC_USR_MASK) | @@ -1083,6 +1087,7 @@ static int stl_setserial(struct tty_struct *tty, struct serial_struct __user *sp portp->close_delay = sio.close_delay; portp->closing_wait = sio.closing_wait; portp->custom_divisor = sio.custom_divisor; + mutex_unlock(&portp->port.mutex); stl_setport(portp, tty->termios); return 0; } @@ -1147,8 +1152,6 @@ static int stl_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd rc = 0; - lock_kernel(); - switch (cmd) { case TIOCGSERIAL: rc = stl_getserial(portp, argp); @@ -1173,7 +1176,6 @@ static int stl_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd rc = -ENOIOCTLCMD; break; } - unlock_kernel(); return rc; } @@ -2327,6 +2329,7 @@ static int stl_getportstats(struct tty_struct *tty, struct stlport *portp, comst return -ENODEV; } + mutex_lock(&portp->port.mutex); portp->stats.state = portp->istate; portp->stats.flags = portp->port.flags; portp->stats.hwid = portp->hwid; @@ -2358,6 +2361,7 @@ static int stl_getportstats(struct tty_struct *tty, struct stlport *portp, comst (STL_TXBUFSIZE - (tail - head)); portp->stats.signals = (unsigned long) stl_getsignals(portp); + mutex_unlock(&portp->port.mutex); return copy_to_user(cp, &portp->stats, sizeof(comstats_t)) ? -EFAULT : 0; @@ -2382,10 +2386,12 @@ static int stl_clrportstats(struct stlport *portp, comstats_t __user *cp) return -ENODEV; } + mutex_lock(&portp->port.mutex); memset(&portp->stats, 0, sizeof(comstats_t)); portp->stats.brd = portp->brdnr; portp->stats.panel = portp->panelnr; portp->stats.port = portp->portnr; + mutex_unlock(&portp->port.mutex); return copy_to_user(cp, &portp->stats, sizeof(comstats_t)) ? -EFAULT : 0; } @@ -2451,7 +2457,6 @@ static long stl_memioctl(struct file *fp, unsigned int cmd, unsigned long arg) return -ENODEV; rc = 0; - lock_kernel(); switch (cmd) { case COM_GETPORTSTATS: rc = stl_getportstats(NULL, NULL, argp); @@ -2472,7 +2477,6 @@ static long stl_memioctl(struct file *fp, unsigned int cmd, unsigned long arg) rc = -ENOIOCTLCMD; break; } - unlock_kernel(); return rc; } diff --git a/drivers/char/sx.c b/drivers/char/sx.c index a81ec4f..5b24db4 100644 --- a/drivers/char/sx.c +++ b/drivers/char/sx.c @@ -1699,7 +1699,7 @@ static long sx_fw_ioctl(struct file *filp, unsigned int cmd, if (!capable(CAP_SYS_RAWIO)) return -EPERM; - lock_kernel(); + tty_lock(); sx_dprintk(SX_DEBUG_FIRMWARE, "IOCTL %x: %lx\n", cmd, arg); @@ -1848,7 +1848,7 @@ static long sx_fw_ioctl(struct file *filp, unsigned int cmd, break; } out: - unlock_kernel(); + tty_unlock(); func_exit(); return rc; } @@ -1859,7 +1859,7 @@ static int sx_break(struct tty_struct *tty, int flag) int rv; func_enter(); - lock_kernel(); + tty_lock(); if (flag) rv = sx_send_command(port, HS_START, -1, HS_IDLE_BREAK); @@ -1868,7 +1868,7 @@ static int sx_break(struct tty_struct *tty, int flag) if (rv != 1) printk(KERN_ERR "sx: couldn't send break (%x).\n", read_sx_byte(port->board, CHAN_OFFSET(port, hi_hstat))); - unlock_kernel(); + tty_unlock(); func_exit(); return 0; } @@ -1909,7 +1909,7 @@ static int sx_ioctl(struct tty_struct *tty, struct file *filp, /* func_enter2(); */ rc = 0; - lock_kernel(); + tty_lock(); switch (cmd) { case TIOCGSERIAL: rc = gs_getserial(&port->gs, argp); @@ -1921,7 +1921,7 @@ static int sx_ioctl(struct tty_struct *tty, struct file *filp, rc = -ENOIOCTLCMD; break; } - unlock_kernel(); + tty_unlock(); /* func_exit(); */ return rc; diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c index 0658fc5..a2a5800 100644 --- a/drivers/char/synclink.c +++ b/drivers/char/synclink.c @@ -81,7 +81,6 @@ #include <linux/mm.h> #include <linux/seq_file.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/delay.h> #include <linux/netdevice.h> #include <linux/vmalloc.h> @@ -2436,7 +2435,9 @@ static int mgsl_get_stats(struct mgsl_struct * info, struct mgsl_icount __user * if (!user_icount) { memset(&info->icount, 0, sizeof(info->icount)); } else { + mutex_lock(&info->port.mutex); COPY_TO_USER(err, user_icount, &info->icount, sizeof(struct mgsl_icount)); + mutex_unlock(&info->port.mutex); if (err) return -EFAULT; } @@ -2461,7 +2462,9 @@ static int mgsl_get_params(struct mgsl_struct * info, MGSL_PARAMS __user *user_p printk("%s(%d):mgsl_get_params(%s)\n", __FILE__,__LINE__, info->device_name); + mutex_lock(&info->port.mutex); COPY_TO_USER(err,user_params, &info->params, sizeof(MGSL_PARAMS)); + mutex_unlock(&info->port.mutex); if (err) { if ( debug_level >= DEBUG_LEVEL_INFO ) printk( "%s(%d):mgsl_get_params(%s) user buffer copy failed\n", @@ -2501,11 +2504,13 @@ static int mgsl_set_params(struct mgsl_struct * info, MGSL_PARAMS __user *new_pa return -EFAULT; } + mutex_lock(&info->port.mutex); spin_lock_irqsave(&info->irq_spinlock,flags); memcpy(&info->params,&tmp_params,sizeof(MGSL_PARAMS)); spin_unlock_irqrestore(&info->irq_spinlock,flags); mgsl_change_params(info); + mutex_unlock(&info->port.mutex); return 0; @@ -2935,7 +2940,6 @@ static int mgsl_ioctl(struct tty_struct *tty, struct file * file, unsigned int cmd, unsigned long arg) { struct mgsl_struct * info = tty->driver_data; - int ret; if (debug_level >= DEBUG_LEVEL_INFO) printk("%s(%d):mgsl_ioctl %s cmd=%08X\n", __FILE__,__LINE__, @@ -2950,10 +2954,7 @@ static int mgsl_ioctl(struct tty_struct *tty, struct file * file, return -EIO; } - lock_kernel(); - ret = mgsl_ioctl_common(info, cmd, arg); - unlock_kernel(); - return ret; + return mgsl_ioctl_common(info, cmd, arg); } static int mgsl_ioctl_common(struct mgsl_struct *info, unsigned int cmd, unsigned long arg) @@ -3109,12 +3110,14 @@ static void mgsl_close(struct tty_struct *tty, struct file * filp) if (tty_port_close_start(&info->port, tty, filp) == 0) goto cleanup; - + + mutex_lock(&info->port.mutex); if (info->port.flags & ASYNC_INITIALIZED) mgsl_wait_until_sent(tty, info->timeout); mgsl_flush_buffer(tty); tty_ldisc_flush(tty); shutdown(info); + mutex_unlock(&info->port.mutex); tty_port_close_end(&info->port, tty); info->port.tty = NULL; @@ -3162,7 +3165,6 @@ static void mgsl_wait_until_sent(struct tty_struct *tty, int timeout) * Note: use tight timings here to satisfy the NIST-PCTS. */ - lock_kernel(); if ( info->params.data_rate ) { char_time = info->timeout/(32 * 5); if (!char_time) @@ -3192,7 +3194,6 @@ static void mgsl_wait_until_sent(struct tty_struct *tty, int timeout) break; } } - unlock_kernel(); exit: if (debug_level >= DEBUG_LEVEL_INFO) @@ -3348,7 +3349,9 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, printk("%s(%d):block_til_ready blocking on %s count=%d\n", __FILE__,__LINE__, tty->driver->name, port->count ); + tty_unlock(); schedule(); + tty_lock(); } set_current_state(TASK_RUNNING); diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c index 334cf5c..fef80cf 100644 --- a/drivers/char/synclink_gt.c +++ b/drivers/char/synclink_gt.c @@ -40,8 +40,8 @@ #define DBGBH(fmt) if (debug_level >= DEBUG_LEVEL_BH) printk fmt #define DBGISR(fmt) if (debug_level >= DEBUG_LEVEL_ISR) printk fmt #define DBGDATA(info, buf, size, label) if (debug_level >= DEBUG_LEVEL_DATA) trace_block((info), (buf), (size), (label)) -//#define DBGTBUF(info) dump_tbufs(info) -//#define DBGRBUF(info) dump_rbufs(info) +/*#define DBGTBUF(info) dump_tbufs(info)*/ +/*#define DBGRBUF(info) dump_rbufs(info)*/ #include <linux/module.h> @@ -62,7 +62,6 @@ #include <linux/mm.h> #include <linux/seq_file.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/netdevice.h> #include <linux/vmalloc.h> #include <linux/init.h> @@ -676,12 +675,14 @@ static int open(struct tty_struct *tty, struct file *filp) goto cleanup; } + mutex_lock(&info->port.mutex); info->port.tty->low_latency = (info->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0; spin_lock_irqsave(&info->netlock, flags); if (info->netcount) { retval = -EBUSY; spin_unlock_irqrestore(&info->netlock, flags); + mutex_unlock(&info->port.mutex); goto cleanup; } info->port.count++; @@ -693,7 +694,7 @@ static int open(struct tty_struct *tty, struct file *filp) if (retval < 0) goto cleanup; } - + mutex_unlock(&info->port.mutex); retval = block_til_ready(tty, filp, info); if (retval) { DBGINFO(("%s block_til_ready rc=%d\n", info->device_name, retval)); @@ -725,12 +726,14 @@ static void close(struct tty_struct *tty, struct file *filp) if (tty_port_close_start(&info->port, tty, filp) == 0) goto cleanup; + mutex_lock(&info->port.mutex); if (info->port.flags & ASYNC_INITIALIZED) wait_until_sent(tty, info->timeout); flush_buffer(tty); tty_ldisc_flush(tty); shutdown(info); + mutex_unlock(&info->port.mutex); tty_port_close_end(&info->port, tty); info->port.tty = NULL; @@ -741,17 +744,23 @@ cleanup: static void hangup(struct tty_struct *tty) { struct slgt_info *info = tty->driver_data; + unsigned long flags; if (sanity_check(info, tty->name, "hangup")) return; DBGINFO(("%s hangup\n", info->device_name)); flush_buffer(tty); + + mutex_lock(&info->port.mutex); shutdown(info); + spin_lock_irqsave(&info->port.lock, flags); info->port.count = 0; info->port.flags &= ~ASYNC_NORMAL_ACTIVE; info->port.tty = NULL; + spin_unlock_irqrestore(&info->port.lock, flags); + mutex_unlock(&info->port.mutex); wake_up_interruptible(&info->port.open_wait); } @@ -901,8 +910,6 @@ static void wait_until_sent(struct tty_struct *tty, int timeout) * Note: use tight timings here to satisfy the NIST-PCTS. */ - lock_kernel(); - if (info->params.data_rate) { char_time = info->timeout/(32 * 5); if (!char_time) @@ -920,8 +927,6 @@ static void wait_until_sent(struct tty_struct *tty, int timeout) if (timeout && time_after(jiffies, orig_jiffies + timeout)) break; } - unlock_kernel(); - exit: DBGINFO(("%s wait_until_sent exit\n", info->device_name)); } @@ -1041,8 +1046,37 @@ static int ioctl(struct tty_struct *tty, struct file *file, return -EIO; } - lock_kernel(); - + switch (cmd) { + case MGSL_IOCWAITEVENT: + return wait_mgsl_event(info, argp); + case TIOCMIWAIT: + return modem_input_wait(info,(int)arg); + case TIOCGICOUNT: + spin_lock_irqsave(&info->lock,flags); + cnow = info->icount; + spin_unlock_irqrestore(&info->lock,flags); + p_cuser = argp; + if (put_user(cnow.cts, &p_cuser->cts) || + put_user(cnow.dsr, &p_cuser->dsr) || + put_user(cnow.rng, &p_cuser->rng) || + put_user(cnow.dcd, &p_cuser->dcd) || + put_user(cnow.rx, &p_cuser->rx) || + put_user(cnow.tx, &p_cuser->tx) || + put_user(cnow.frame, &p_cuser->frame) || + put_user(cnow.overrun, &p_cuser->overrun) || + put_user(cnow.parity, &p_cuser->parity) || + put_user(cnow.brk, &p_cuser->brk) || + put_user(cnow.buf_overrun, &p_cuser->buf_overrun)) + return -EFAULT; + return 0; + case MGSL_IOCSGPIO: + return set_gpio(info, argp); + case MGSL_IOCGGPIO: + return get_gpio(info, argp); + case MGSL_IOCWAITGPIO: + return wait_gpio(info, argp); + } + mutex_lock(&info->port.mutex); switch (cmd) { case MGSL_IOCGPARAMS: ret = get_params(info, argp); @@ -1068,50 +1102,16 @@ static int ioctl(struct tty_struct *tty, struct file *file, case MGSL_IOCGSTATS: ret = get_stats(info, argp); break; - case MGSL_IOCWAITEVENT: - ret = wait_mgsl_event(info, argp); - break; - case TIOCMIWAIT: - ret = modem_input_wait(info,(int)arg); - break; case MGSL_IOCGIF: ret = get_interface(info, argp); break; case MGSL_IOCSIF: ret = set_interface(info,(int)arg); break; - case MGSL_IOCSGPIO: - ret = set_gpio(info, argp); - break; - case MGSL_IOCGGPIO: - ret = get_gpio(info, argp); - break; - case MGSL_IOCWAITGPIO: - ret = wait_gpio(info, argp); - break; - case TIOCGICOUNT: - spin_lock_irqsave(&info->lock,flags); - cnow = info->icount; - spin_unlock_irqrestore(&info->lock,flags); - p_cuser = argp; - if (put_user(cnow.cts, &p_cuser->cts) || - put_user(cnow.dsr, &p_cuser->dsr) || - put_user(cnow.rng, &p_cuser->rng) || - put_user(cnow.dcd, &p_cuser->dcd) || - put_user(cnow.rx, &p_cuser->rx) || - put_user(cnow.tx, &p_cuser->tx) || - put_user(cnow.frame, &p_cuser->frame) || - put_user(cnow.overrun, &p_cuser->overrun) || - put_user(cnow.parity, &p_cuser->parity) || - put_user(cnow.brk, &p_cuser->brk) || - put_user(cnow.buf_overrun, &p_cuser->buf_overrun)) - ret = -EFAULT; - ret = 0; - break; default: ret = -ENOIOCTLCMD; } - unlock_kernel(); + mutex_unlock(&info->port.mutex); return ret; } @@ -3244,7 +3244,9 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, } DBGINFO(("%s block_til_ready wait\n", tty->driver->name)); + tty_unlock(); schedule(); + tty_lock(); } set_current_state(TASK_RUNNING); diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c index 2b18adc..e56caf7 100644 --- a/drivers/char/synclinkmp.c +++ b/drivers/char/synclinkmp.c @@ -52,7 +52,6 @@ #include <linux/mm.h> #include <linux/seq_file.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/netdevice.h> #include <linux/vmalloc.h> #include <linux/init.h> @@ -813,13 +812,15 @@ static void close(struct tty_struct *tty, struct file *filp) if (tty_port_close_start(&info->port, tty, filp) == 0) goto cleanup; - + + mutex_lock(&info->port.mutex); if (info->port.flags & ASYNC_INITIALIZED) wait_until_sent(tty, info->timeout); flush_buffer(tty); tty_ldisc_flush(tty); shutdown(info); + mutex_unlock(&info->port.mutex); tty_port_close_end(&info->port, tty); info->port.tty = NULL; @@ -835,6 +836,7 @@ cleanup: static void hangup(struct tty_struct *tty) { SLMP_INFO *info = tty->driver_data; + unsigned long flags; if (debug_level >= DEBUG_LEVEL_INFO) printk("%s(%d):%s hangup()\n", @@ -843,12 +845,16 @@ static void hangup(struct tty_struct *tty) if (sanity_check(info, tty->name, "hangup")) return; + mutex_lock(&info->port.mutex); flush_buffer(tty); shutdown(info); + spin_lock_irqsave(&info->port.lock, flags); info->port.count = 0; info->port.flags &= ~ASYNC_NORMAL_ACTIVE; info->port.tty = NULL; + spin_unlock_irqrestore(&info->port.lock, flags); + mutex_unlock(&info->port.mutex); wake_up_interruptible(&info->port.open_wait); } @@ -1062,9 +1068,7 @@ static void wait_until_sent(struct tty_struct *tty, int timeout) if (sanity_check(info, tty->name, "wait_until_sent")) return; - lock_kernel(); - - if (!(info->port.flags & ASYNC_INITIALIZED)) + if (!test_bit(ASYNCB_INITIALIZED, &info->port.flags)) goto exit; orig_jiffies = jiffies; @@ -1094,8 +1098,10 @@ static void wait_until_sent(struct tty_struct *tty, int timeout) break; } } else { - //TODO: determine if there is something similar to USC16C32 - // TXSTATUS_ALL_SENT status + /* + * TODO: determine if there is something similar to USC16C32 + * TXSTATUS_ALL_SENT status + */ while ( info->tx_active && info->tx_enabled) { msleep_interruptible(jiffies_to_msecs(char_time)); if (signal_pending(current)) @@ -1106,7 +1112,6 @@ static void wait_until_sent(struct tty_struct *tty, int timeout) } exit: - unlock_kernel(); if (debug_level >= DEBUG_LEVEL_INFO) printk("%s(%d):%s wait_until_sent() exit\n", __FILE__,__LINE__, info->device_name ); @@ -1122,7 +1127,6 @@ static int write_room(struct tty_struct *tty) if (sanity_check(info, tty->name, "write_room")) return 0; - lock_kernel(); if (info->params.mode == MGSL_MODE_HDLC) { ret = (info->tx_active) ? 0 : HDLC_MAX_FRAME_SIZE; } else { @@ -1130,7 +1134,6 @@ static int write_room(struct tty_struct *tty) if (ret < 0) ret = 0; } - unlock_kernel(); if (debug_level >= DEBUG_LEVEL_INFO) printk("%s(%d):%s write_room()=%d\n", @@ -1251,7 +1254,7 @@ static void tx_release(struct tty_struct *tty) * * Return Value: 0 if success, otherwise error code */ -static int do_ioctl(struct tty_struct *tty, struct file *file, +static int ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg) { SLMP_INFO *info = tty->driver_data; @@ -1341,16 +1344,6 @@ static int do_ioctl(struct tty_struct *tty, struct file *file, return 0; } -static int ioctl(struct tty_struct *tty, struct file *file, - unsigned int cmd, unsigned long arg) -{ - int ret; - lock_kernel(); - ret = do_ioctl(tty, file, cmd, arg); - unlock_kernel(); - return ret; -} - /* * /proc fs routines.... */ @@ -2883,7 +2876,9 @@ static int get_stats(SLMP_INFO * info, struct mgsl_icount __user *user_icount) if (!user_icount) { memset(&info->icount, 0, sizeof(info->icount)); } else { + mutex_lock(&info->port.mutex); COPY_TO_USER(err, user_icount, &info->icount, sizeof(struct mgsl_icount)); + mutex_unlock(&info->port.mutex); if (err) return -EFAULT; } @@ -2898,7 +2893,9 @@ static int get_params(SLMP_INFO * info, MGSL_PARAMS __user *user_params) printk("%s(%d):%s get_params()\n", __FILE__,__LINE__, info->device_name); + mutex_lock(&info->port.mutex); COPY_TO_USER(err,user_params, &info->params, sizeof(MGSL_PARAMS)); + mutex_unlock(&info->port.mutex); if (err) { if ( debug_level >= DEBUG_LEVEL_INFO ) printk( "%s(%d):%s get_params() user buffer copy failed\n", @@ -2926,11 +2923,13 @@ static int set_params(SLMP_INFO * info, MGSL_PARAMS __user *new_params) return -EFAULT; } + mutex_lock(&info->port.mutex); spin_lock_irqsave(&info->lock,flags); memcpy(&info->params,&tmp_params,sizeof(MGSL_PARAMS)); spin_unlock_irqrestore(&info->lock,flags); change_params(info); + mutex_unlock(&info->port.mutex); return 0; } @@ -3366,7 +3365,9 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, printk("%s(%d):%s block_til_ready() count=%d\n", __FILE__,__LINE__, tty->driver->name, port->count ); + tty_unlock(); schedule(); + tty_lock(); } set_current_state(TASK_RUNNING); diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 507441a..0350c42 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -149,6 +149,7 @@ static long tty_compat_ioctl(struct file *file, unsigned int cmd, #else #define tty_compat_ioctl NULL #endif +static int __tty_fasync(int fd, struct file *filp, int on); static int tty_fasync(int fd, struct file *filp, int on); static void release_tty(struct tty_struct *tty, int idx); static void __proc_set_tty(struct task_struct *tsk, struct tty_struct *tty); @@ -470,7 +471,7 @@ void tty_wakeup(struct tty_struct *tty) EXPORT_SYMBOL_GPL(tty_wakeup); /** - * do_tty_hangup - actual handler for hangup events + * __tty_hangup - actual handler for hangup events * @work: tty device * * This can be called by the "eventd" kernel thread. That is process @@ -483,7 +484,7 @@ EXPORT_SYMBOL_GPL(tty_wakeup); * remains intact. * * Locking: - * BKL + * BTM * redirect lock for undoing redirection * file list lock for manipulating list of ttys * tty_ldisc_lock from called functions @@ -491,10 +492,8 @@ EXPORT_SYMBOL_GPL(tty_wakeup); * tasklist_lock to walk task list for hangup event * ->siglock to protect ->signal/->sighand */ -static void do_tty_hangup(struct work_struct *work) +void __tty_hangup(struct tty_struct *tty) { - struct tty_struct *tty = - container_of(work, struct tty_struct, hangup_work); struct file *cons_filp = NULL; struct file *filp, *f = NULL; struct task_struct *p; @@ -513,9 +512,12 @@ static void do_tty_hangup(struct work_struct *work) } spin_unlock(&redirect_lock); - /* inuse_filps is protected by the single kernel lock */ - lock_kernel(); - check_tty_count(tty, "do_tty_hangup"); + tty_lock(); + + /* inuse_filps is protected by the single tty lock, + this really needs to change if we want to flush the + workqueue with the lock held */ + check_tty_count(tty, "tty_hangup"); file_list_lock(); /* This breaks for file handles being sent over AF_UNIX sockets ? */ @@ -525,7 +527,7 @@ static void do_tty_hangup(struct work_struct *work) if (filp->f_op->write != tty_write) continue; closecount++; - tty_fasync(-1, filp, 0); /* can't block */ + __tty_fasync(-1, filp, 0); /* can't block */ filp->f_op = &hung_up_tty_fops; } file_list_unlock(); @@ -594,11 +596,21 @@ static void do_tty_hangup(struct work_struct *work) */ set_bit(TTY_HUPPED, &tty->flags); tty_ldisc_enable(tty); - unlock_kernel(); + + tty_unlock(); + if (f) fput(f); } +static void do_tty_hangup(struct work_struct *work) +{ + struct tty_struct *tty = + container_of(work, struct tty_struct, hangup_work); + + __tty_hangup(tty); +} + /** * tty_hangup - trigger a hangup event * @tty: tty to hangup @@ -634,11 +646,12 @@ void tty_vhangup(struct tty_struct *tty) printk(KERN_DEBUG "%s vhangup...\n", tty_name(tty, buf)); #endif - do_tty_hangup(&tty->hangup_work); + __tty_hangup(tty); } EXPORT_SYMBOL(tty_vhangup); + /** * tty_vhangup_self - process vhangup for own ctty * @@ -696,7 +709,8 @@ static void session_clear_tty(struct pid *session) * exiting; it is 0 if called by the ioctl TIOCNOTTY. * * Locking: - * BKL is taken for hysterical raisins + * BTM is taken for hysterical raisins, and held when + * called from no_tty(). * tty_mutex is taken to protect tty * ->siglock is taken to protect ->signal/->sighand * tasklist_lock is taken to walk process list for sessions @@ -714,10 +728,10 @@ void disassociate_ctty(int on_exit) tty = get_current_tty(); if (tty) { tty_pgrp = get_pid(tty->pgrp); - lock_kernel(); - if (on_exit && tty->driver->type != TTY_DRIVER_TYPE_PTY) - tty_vhangup(tty); - unlock_kernel(); + if (on_exit) { + if (tty->driver->type != TTY_DRIVER_TYPE_PTY) + tty_vhangup(tty); + } tty_kref_put(tty); } else if (on_exit) { struct pid *old_pgrp; @@ -774,9 +788,9 @@ void disassociate_ctty(int on_exit) void no_tty(void) { struct task_struct *tsk = current; - lock_kernel(); + tty_lock(); disassociate_ctty(0); - unlock_kernel(); + tty_unlock(); proc_clear_tty(tsk); } @@ -879,7 +893,7 @@ static ssize_t tty_read(struct file *file, char __user *buf, size_t count, struct inode *inode; struct tty_ldisc *ld; - tty = (struct tty_struct *)file->private_data; + tty = file->private_data; inode = file->f_path.dentry->d_inode; if (tty_paranoia_check(tty, inode, "tty_read")) return -EIO; @@ -1013,19 +1027,19 @@ out: * We don't put it into the syslog queue right now maybe in the future if * really needed. * - * We must still hold the BKL and test the CLOSING flag for the moment. + * We must still hold the BTM and test the CLOSING flag for the moment. */ void tty_write_message(struct tty_struct *tty, char *msg) { if (tty) { mutex_lock(&tty->atomic_write_lock); - lock_kernel(); + tty_lock(); if (tty->ops->write && !test_bit(TTY_CLOSING, &tty->flags)) { - unlock_kernel(); + tty_unlock(); tty->ops->write(tty, msg, strlen(msg)); } else - unlock_kernel(); + tty_unlock(); tty_write_unlock(tty); } return; @@ -1056,7 +1070,7 @@ static ssize_t tty_write(struct file *file, const char __user *buf, ssize_t ret; struct tty_ldisc *ld; - tty = (struct tty_struct *)file->private_data; + tty = file->private_data; if (tty_paranoia_check(tty, inode, "tty_write")) return -EIO; if (!tty || !tty->ops->write || @@ -1208,18 +1222,14 @@ static int tty_driver_install_tty(struct tty_driver *driver, int ret; if (driver->ops->install) { - lock_kernel(); ret = driver->ops->install(driver, tty); - unlock_kernel(); return ret; } if (tty_init_termios(tty) == 0) { - lock_kernel(); tty_driver_kref_get(driver); tty->count++; driver->ttys[idx] = tty; - unlock_kernel(); return 0; } return -ENOMEM; @@ -1312,14 +1322,11 @@ struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx, struct tty_struct *tty; int retval; - lock_kernel(); /* Check if pty master is being opened multiple times */ if (driver->subtype == PTY_TYPE_MASTER && (driver->flags & TTY_DRIVER_DEVPTS_MEM) && !first_ok) { - unlock_kernel(); return ERR_PTR(-EIO); } - unlock_kernel(); /* * First time open is complex, especially for PTY devices. @@ -1363,9 +1370,7 @@ release_mem_out: if (printk_ratelimit()) printk(KERN_INFO "tty_init_dev: ldisc open failed, " "clearing slot %d\n", idx); - lock_kernel(); release_tty(tty, idx); - unlock_kernel(); return ERR_PTR(retval); } @@ -1508,14 +1513,14 @@ int tty_release(struct inode *inode, struct file *filp) int idx; char buf[64]; - tty = (struct tty_struct *)filp->private_data; + tty = filp->private_data; if (tty_paranoia_check(tty, inode, "tty_release_dev")) return 0; - lock_kernel(); + tty_lock(); check_tty_count(tty, "tty_release_dev"); - tty_fasync(-1, filp, 0); + __tty_fasync(-1, filp, 0); idx = tty->index; pty_master = (tty->driver->type == TTY_DRIVER_TYPE_PTY && @@ -1527,18 +1532,18 @@ int tty_release(struct inode *inode, struct file *filp) if (idx < 0 || idx >= tty->driver->num) { printk(KERN_DEBUG "tty_release_dev: bad idx when trying to " "free (%s)\n", tty->name); - unlock_kernel(); + tty_unlock(); return 0; } if (!devpts) { if (tty != tty->driver->ttys[idx]) { - unlock_kernel(); + tty_unlock(); printk(KERN_DEBUG "tty_release_dev: driver.table[%d] not tty " "for (%s)\n", idx, tty->name); return 0; } if (tty->termios != tty->driver->termios[idx]) { - unlock_kernel(); + tty_unlock(); printk(KERN_DEBUG "tty_release_dev: driver.termios[%d] not termios " "for (%s)\n", idx, tty->name); @@ -1556,21 +1561,21 @@ int tty_release(struct inode *inode, struct file *filp) if (tty->driver->other && !(tty->driver->flags & TTY_DRIVER_DEVPTS_MEM)) { if (o_tty != tty->driver->other->ttys[idx]) { - unlock_kernel(); + tty_unlock(); printk(KERN_DEBUG "tty_release_dev: other->table[%d] " "not o_tty for (%s)\n", idx, tty->name); return 0 ; } if (o_tty->termios != tty->driver->other->termios[idx]) { - unlock_kernel(); + tty_unlock(); printk(KERN_DEBUG "tty_release_dev: other->termios[%d] " "not o_termios for (%s)\n", idx, tty->name); return 0; } if (o_tty->link != tty) { - unlock_kernel(); + tty_unlock(); printk(KERN_DEBUG "tty_release_dev: bad pty pointers\n"); return 0; } @@ -1579,7 +1584,7 @@ int tty_release(struct inode *inode, struct file *filp) if (tty->ops->close) tty->ops->close(tty, filp); - unlock_kernel(); + tty_unlock(); /* * Sanity check: if tty->count is going to zero, there shouldn't be * any waiters on tty->read_wait or tty->write_wait. We test the @@ -1602,7 +1607,7 @@ int tty_release(struct inode *inode, struct file *filp) opens on /dev/tty */ mutex_lock(&tty_mutex); - lock_kernel(); + tty_lock(); tty_closing = tty->count <= 1; o_tty_closing = o_tty && (o_tty->count <= (pty_master ? 1 : 0)); @@ -1633,7 +1638,7 @@ int tty_release(struct inode *inode, struct file *filp) printk(KERN_WARNING "tty_release_dev: %s: read/write wait queue " "active!\n", tty_name(tty, buf)); - unlock_kernel(); + tty_unlock(); mutex_unlock(&tty_mutex); schedule(); } @@ -1698,7 +1703,7 @@ int tty_release(struct inode *inode, struct file *filp) /* check whether both sides are closing ... */ if (!tty_closing || (o_tty && !o_tty_closing)) { - unlock_kernel(); + tty_unlock(); return 0; } @@ -1718,7 +1723,7 @@ int tty_release(struct inode *inode, struct file *filp) /* Make this pty number available for reallocation */ if (devpts) devpts_kill_index(inode, idx); - unlock_kernel(); + tty_unlock(); return 0; } @@ -1760,12 +1765,12 @@ retry_open: retval = 0; mutex_lock(&tty_mutex); - lock_kernel(); + tty_lock(); if (device == MKDEV(TTYAUX_MAJOR, 0)) { tty = get_current_tty(); if (!tty) { - unlock_kernel(); + tty_unlock(); mutex_unlock(&tty_mutex); return -ENXIO; } @@ -1797,14 +1802,14 @@ retry_open: goto got_driver; } } - unlock_kernel(); + tty_unlock(); mutex_unlock(&tty_mutex); return -ENODEV; } driver = get_tty_driver(device, &index); if (!driver) { - unlock_kernel(); + tty_unlock(); mutex_unlock(&tty_mutex); return -ENODEV; } @@ -1814,7 +1819,7 @@ got_driver: tty = tty_driver_lookup_tty(driver, inode, index); if (IS_ERR(tty)) { - unlock_kernel(); + tty_unlock(); mutex_unlock(&tty_mutex); return PTR_ERR(tty); } @@ -1830,7 +1835,7 @@ got_driver: mutex_unlock(&tty_mutex); tty_driver_kref_put(driver); if (IS_ERR(tty)) { - unlock_kernel(); + tty_unlock(); return PTR_ERR(tty); } @@ -1860,29 +1865,29 @@ got_driver: printk(KERN_DEBUG "error %d in opening %s...", retval, tty->name); #endif + tty_unlock(); /* need to call tty_release without BTM */ tty_release(inode, filp); - if (retval != -ERESTARTSYS) { - unlock_kernel(); + if (retval != -ERESTARTSYS) return retval; - } - if (signal_pending(current)) { - unlock_kernel(); + + if (signal_pending(current)) return retval; - } + schedule(); /* * Need to reset f_op in case a hangup happened. */ + tty_lock(); if (filp->f_op == &hung_up_tty_fops) filp->f_op = &tty_fops; - unlock_kernel(); + tty_unlock(); goto retry_open; } - unlock_kernel(); + tty_unlock(); mutex_lock(&tty_mutex); - lock_kernel(); + tty_lock(); spin_lock_irq(¤t->sighand->siglock); if (!noctty && current->signal->leader && @@ -1890,7 +1895,7 @@ got_driver: tty->session == NULL) __proc_set_tty(current, tty); spin_unlock_irq(¤t->sighand->siglock); - unlock_kernel(); + tty_unlock(); mutex_unlock(&tty_mutex); return 0; } @@ -1915,7 +1920,7 @@ static unsigned int tty_poll(struct file *filp, poll_table *wait) struct tty_ldisc *ld; int ret = 0; - tty = (struct tty_struct *)filp->private_data; + tty = filp->private_data; if (tty_paranoia_check(tty, filp->f_path.dentry->d_inode, "tty_poll")) return 0; @@ -1926,14 +1931,13 @@ static unsigned int tty_poll(struct file *filp, poll_table *wait) return ret; } -static int tty_fasync(int fd, struct file *filp, int on) +static int __tty_fasync(int fd, struct file *filp, int on) { struct tty_struct *tty; unsigned long flags; int retval = 0; - lock_kernel(); - tty = (struct tty_struct *)filp->private_data; + tty = filp->private_data; if (tty_paranoia_check(tty, filp->f_path.dentry->d_inode, "tty_fasync")) goto out; @@ -1966,7 +1970,15 @@ static int tty_fasync(int fd, struct file *filp, int on) } retval = 0; out: - unlock_kernel(); + return retval; +} + +static int tty_fasync(int fd, struct file *filp, int on) +{ + int retval; + tty_lock(); + retval = __tty_fasync(fd, filp, on); + tty_unlock(); return retval; } @@ -2485,7 +2497,7 @@ long tty_ioctl(struct file *file, unsigned int cmd, unsigned long arg) struct tty_ldisc *ld; struct inode *inode = file->f_dentry->d_inode; - tty = (struct tty_struct *)file->private_data; + tty = file->private_data; if (tty_paranoia_check(tty, inode, "tty_ioctl")) return -EINVAL; diff --git a/drivers/char/tty_ioctl.c b/drivers/char/tty_ioctl.c index 6bd5f88..0c18899 100644 --- a/drivers/char/tty_ioctl.c +++ b/drivers/char/tty_ioctl.c @@ -517,19 +517,25 @@ static void change_termios(struct tty_struct *tty, struct ktermios *new_termios) /* See if packet mode change of state. */ if (tty->link && tty->link->packet) { + int extproc = (old_termios.c_lflag & EXTPROC) | + (tty->termios->c_lflag & EXTPROC); int old_flow = ((old_termios.c_iflag & IXON) && (old_termios.c_cc[VSTOP] == '\023') && (old_termios.c_cc[VSTART] == '\021')); int new_flow = (I_IXON(tty) && STOP_CHAR(tty) == '\023' && START_CHAR(tty) == '\021'); - if (old_flow != new_flow) { + if ((old_flow != new_flow) || extproc) { spin_lock_irqsave(&tty->ctrl_lock, flags); - tty->ctrl_status &= ~(TIOCPKT_DOSTOP | TIOCPKT_NOSTOP); - if (new_flow) - tty->ctrl_status |= TIOCPKT_DOSTOP; - else - tty->ctrl_status |= TIOCPKT_NOSTOP; + if (old_flow != new_flow) { + tty->ctrl_status &= ~(TIOCPKT_DOSTOP | TIOCPKT_NOSTOP); + if (new_flow) + tty->ctrl_status |= TIOCPKT_DOSTOP; + else + tty->ctrl_status |= TIOCPKT_NOSTOP; + } + if (extproc) + tty->ctrl_status |= TIOCPKT_IOCTL; spin_unlock_irqrestore(&tty->ctrl_lock, flags); wake_up_interruptible(&tty->link->read_wait); } diff --git a/drivers/char/tty_ldisc.c b/drivers/char/tty_ldisc.c index 500e740..412f977 100644 --- a/drivers/char/tty_ldisc.c +++ b/drivers/char/tty_ldisc.c @@ -440,6 +440,8 @@ static void tty_set_termios_ldisc(struct tty_struct *tty, int num) * * A helper opening method. Also a convenient debugging and check * point. + * + * Locking: always called with BTM already held. */ static int tty_ldisc_open(struct tty_struct *tty, struct tty_ldisc *ld) @@ -447,10 +449,9 @@ static int tty_ldisc_open(struct tty_struct *tty, struct tty_ldisc *ld) WARN_ON(test_and_set_bit(TTY_LDISC_OPEN, &tty->flags)); if (ld->ops->open) { int ret; - /* BKL here locks verus a hangup event */ - lock_kernel(); + /* BTM here locks versus a hangup event */ + WARN_ON(!tty_locked()); ret = ld->ops->open(tty); - unlock_kernel(); return ret; } return 0; @@ -553,7 +554,7 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc) if (IS_ERR(new_ldisc)) return PTR_ERR(new_ldisc); - lock_kernel(); + tty_lock(); /* * We need to look at the tty locking here for pty/tty pairs * when both sides try to change in parallel. @@ -567,12 +568,12 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc) */ if (tty->ldisc->ops->num == ldisc) { - unlock_kernel(); + tty_unlock(); tty_ldisc_put(new_ldisc); return 0; } - unlock_kernel(); + tty_unlock(); /* * Problem: What do we do if this blocks ? * We could deadlock here @@ -580,6 +581,7 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc) tty_wait_until_sent(tty, 0); + tty_lock(); mutex_lock(&tty->ldisc_mutex); /* @@ -589,13 +591,13 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc) while (test_bit(TTY_LDISC_CHANGING, &tty->flags)) { mutex_unlock(&tty->ldisc_mutex); + tty_unlock(); wait_event(tty_ldisc_wait, test_bit(TTY_LDISC_CHANGING, &tty->flags) == 0); + tty_lock(); mutex_lock(&tty->ldisc_mutex); } - lock_kernel(); - set_bit(TTY_LDISC_CHANGING, &tty->flags); /* @@ -607,7 +609,7 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc) o_ldisc = tty->ldisc; - unlock_kernel(); + tty_unlock(); /* * Make sure we don't change while someone holds a * reference to the line discipline. The TTY_LDISC bit @@ -632,15 +634,15 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc) flush_scheduled_work(); + tty_lock(); mutex_lock(&tty->ldisc_mutex); - lock_kernel(); if (test_bit(TTY_HUPPED, &tty->flags)) { /* We were raced by the hangup method. It will have stomped the ldisc data and closed the ldisc down */ clear_bit(TTY_LDISC_CHANGING, &tty->flags); mutex_unlock(&tty->ldisc_mutex); tty_ldisc_put(new_ldisc); - unlock_kernel(); + tty_unlock(); return -EIO; } @@ -682,7 +684,7 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc) if (o_work) schedule_delayed_work(&o_tty->buf.work, 1); mutex_unlock(&tty->ldisc_mutex); - unlock_kernel(); + tty_unlock(); return retval; } @@ -780,7 +782,20 @@ void tty_ldisc_hangup(struct tty_struct *tty) * Avoid racing set_ldisc or tty_ldisc_release */ mutex_lock(&tty->ldisc_mutex); - tty_ldisc_halt(tty); + + /* + * this is like tty_ldisc_halt, but we need to give up + * the BTM before calling cancel_delayed_work_sync, + * which may need to wait for another function taking the BTM + */ + clear_bit(TTY_LDISC, &tty->flags); + tty_unlock(); + cancel_delayed_work_sync(&tty->buf.work); + mutex_unlock(&tty->ldisc_mutex); + + tty_lock(); + mutex_lock(&tty->ldisc_mutex); + /* At this point we have a closed ldisc and we want to reopen it. We could defer this to the next open but it means auditing a lot of other paths so this is @@ -851,8 +866,10 @@ void tty_ldisc_release(struct tty_struct *tty, struct tty_struct *o_tty) * race with the set_ldisc code path. */ + tty_unlock(); tty_ldisc_halt(tty); flush_scheduled_work(); + tty_lock(); mutex_lock(&tty->ldisc_mutex); /* diff --git a/drivers/char/tty_mutex.c b/drivers/char/tty_mutex.c new file mode 100644 index 0000000..1336975 --- /dev/null +++ b/drivers/char/tty_mutex.c @@ -0,0 +1,47 @@ +/* + * drivers/char/tty_lock.c + */ +#include <linux/tty.h> +#include <linux/module.h> +#include <linux/kallsyms.h> +#include <linux/semaphore.h> +#include <linux/sched.h> + +/* + * The 'big tty mutex' + * + * This mutex is taken and released by tty_lock() and tty_unlock(), + * replacing the older big kernel lock. + * It can no longer be taken recursively, and does not get + * released implicitly while sleeping. + * + * Don't use in new code. + */ +static DEFINE_MUTEX(big_tty_mutex); +struct task_struct *__big_tty_mutex_owner; +EXPORT_SYMBOL_GPL(__big_tty_mutex_owner); + +/* + * Getting the big tty mutex. + */ +void __lockfunc tty_lock(void) +{ + struct task_struct *task = current; + + WARN_ON(__big_tty_mutex_owner == task); + + mutex_lock(&big_tty_mutex); + __big_tty_mutex_owner = task; +} +EXPORT_SYMBOL(tty_lock); + +void __lockfunc tty_unlock(void) +{ + struct task_struct *task = current; + + WARN_ON(__big_tty_mutex_owner != task); + __big_tty_mutex_owner = NULL; + + mutex_unlock(&big_tty_mutex); +} +EXPORT_SYMBOL(tty_unlock); diff --git a/drivers/char/tty_port.c b/drivers/char/tty_port.c index a3bd1d0..33d37d2 100644 --- a/drivers/char/tty_port.c +++ b/drivers/char/tty_port.c @@ -231,7 +231,7 @@ int tty_port_block_til_ready(struct tty_port *port, /* block if port is in the process of being closed */ if (tty_hung_up_p(filp) || port->flags & ASYNC_CLOSING) { - wait_event_interruptible(port->close_wait, + wait_event_interruptible_tty(port->close_wait, !(port->flags & ASYNC_CLOSING)); if (port->flags & ASYNC_HUP_NOTIFY) return -EAGAIN; @@ -294,7 +294,9 @@ int tty_port_block_til_ready(struct tty_port *port, retval = -ERESTARTSYS; break; } + tty_unlock(); schedule(); + tty_lock(); } finish_wait(&port->open_wait, &wait); diff --git a/drivers/char/vc_screen.c b/drivers/char/vc_screen.c index c1791a6..bcce46c 100644 --- a/drivers/char/vc_screen.c +++ b/drivers/char/vc_screen.c @@ -463,10 +463,10 @@ vcs_open(struct inode *inode, struct file *filp) unsigned int currcons = iminor(inode) & 127; int ret = 0; - lock_kernel(); + tty_lock(); if(currcons && !vc_cons_allocated(currcons-1)) ret = -ENXIO; - unlock_kernel(); + tty_unlock(); return ret; } diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 44f03dd..c734f9b 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -105,6 +105,7 @@ #include <asm/system.h> #include <linux/uaccess.h> #include <linux/kdb.h> +#include <linux/ctype.h> #define MAX_NR_CON_DRIVER 16 @@ -286,8 +287,12 @@ static inline unsigned short *screenpos(struct vc_data *vc, int offset, int view return p; } +/* Called from the keyboard irq path.. */ static inline void scrolldelta(int lines) { + /* FIXME */ + /* scrolldelta needs some kind of consistency lock, but the BKL was + and still is not protecting versus the scheduled back end */ scrollback_delta += lines; schedule_console_callback(); } @@ -704,7 +709,10 @@ void redraw_screen(struct vc_data *vc, int is_switch) update_attr(vc); clear_buffer_attributes(vc); } - if (update && vc->vc_mode != KD_GRAPHICS) + + /* Forcibly update if we're panicing */ + if ((update && vc->vc_mode != KD_GRAPHICS) || + vt_force_oops_output(vc)) do_update_region(vc, vc->vc_origin, vc->vc_screenbuf_size / 2); } set_cursor(vc); @@ -742,6 +750,7 @@ static void visual_init(struct vc_data *vc, int num, int init) vc->vc_hi_font_mask = 0; vc->vc_complement_mask = 0; vc->vc_can_do_color = 0; + vc->vc_panic_force_write = false; vc->vc_sw->con_init(vc, init); if (!vc->vc_complement_mask) vc->vc_complement_mask = vc->vc_can_do_color ? 0x7700 : 0x0800; @@ -774,6 +783,7 @@ int vc_allocate(unsigned int currcons) /* return 0 on success */ if (!vc) return -ENOMEM; vc_cons[currcons].d = vc; + tty_port_init(&vc->port); INIT_WORK(&vc_cons[currcons].SAK_work, vc_SAK); visual_init(vc, currcons, 1); if (!*vc->vc_uni_pagedir_loc) @@ -963,12 +973,12 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc, * Resize a virtual console as seen from the console end of things. We * use the common vc_do_resize methods to update the structures. The * caller must hold the console sem to protect console internals and - * vc->vc_tty + * vc->port.tty */ int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int rows) { - return vc_do_resize(vc->vc_tty, vc, cols, rows); + return vc_do_resize(vc->port.tty, vc, cols, rows); } /** @@ -1796,8 +1806,8 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c) vc->vc_state = ESnormal; return; case ESpalette: - if ( (c>='0'&&c<='9') || (c>='A'&&c<='F') || (c>='a'&&c<='f') ) { - vc->vc_par[vc->vc_npar++] = (c > '9' ? (c & 0xDF) - 'A' + 10 : c - '0'); + if (isxdigit(c)) { + vc->vc_par[vc->vc_npar++] = hex_to_bin(c); if (vc->vc_npar == 7) { int i = vc->vc_par[0] * 3, j = 1; vc->vc_palette[i] = 16 * vc->vc_par[j++]; @@ -2505,7 +2515,7 @@ static void vt_console_print(struct console *co, const char *b, unsigned count) goto quit; } - if (vc->vc_mode != KD_TEXT) + if (vc->vc_mode != KD_TEXT && !vt_force_oops_output(vc)) goto quit; /* undraw cursor first */ @@ -2611,8 +2621,6 @@ int tioclinux(struct tty_struct *tty, unsigned long arg) return -EFAULT; ret = 0; - lock_kernel(); - switch (type) { case TIOCL_SETSEL: @@ -2687,7 +2695,6 @@ int tioclinux(struct tty_struct *tty, unsigned long arg) ret = -EINVAL; break; } - unlock_kernel(); return ret; } @@ -2800,12 +2807,12 @@ static int con_open(struct tty_struct *tty, struct file *filp) struct vc_data *vc = vc_cons[currcons].d; /* Still being freed */ - if (vc->vc_tty) { + if (vc->port.tty) { release_console_sem(); return -ERESTARTSYS; } tty->driver_data = vc; - vc->vc_tty = tty; + vc->port.tty = tty; if (!tty->winsize.ws_row && !tty->winsize.ws_col) { tty->winsize.ws_row = vc_cons[currcons].d->vc_rows; @@ -2833,7 +2840,7 @@ static void con_shutdown(struct tty_struct *tty) struct vc_data *vc = tty->driver_data; BUG_ON(vc == NULL); acquire_console_sem(); - vc->vc_tty = NULL; + vc->port.tty = NULL; release_console_sem(); tty_shutdown(tty); } @@ -2915,6 +2922,7 @@ static int __init con_init(void) for (currcons = 0; currcons < MIN_NR_CONSOLES; currcons++) { vc_cons[currcons].d = vc = kzalloc(sizeof(struct vc_data), GFP_NOWAIT); INIT_WORK(&vc_cons[currcons].SAK_work, vc_SAK); + tty_port_init(&vc->port); visual_init(vc, currcons, 1); vc->vc_screenbuf = kzalloc(vc->vc_screenbuf_size, GFP_NOWAIT); vc_init(vc, vc->vc_rows, vc->vc_cols, @@ -3783,7 +3791,8 @@ void do_unblank_screen(int leaving_gfx) return; } vc = vc_cons[fg_console].d; - if (vc->vc_mode != KD_TEXT) + /* Try to unblank in oops case too */ + if (vc->vc_mode != KD_TEXT && !vt_force_oops_output(vc)) return; /* but leave console_blanked != 0 */ if (blankinterval) { @@ -3792,7 +3801,7 @@ void do_unblank_screen(int leaving_gfx) } console_blanked = 0; - if (vc->vc_sw->con_blank(vc, 0, leaving_gfx)) + if (vc->vc_sw->con_blank(vc, 0, leaving_gfx) || vt_force_oops_output(vc)) /* Low-level driver cannot restore -> do it ourselves */ update_screen(vc); if (console_blank_hook) diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c index cb19dbc..2bbeaae 100644 --- a/drivers/char/vt_ioctl.c +++ b/drivers/char/vt_ioctl.c @@ -133,7 +133,7 @@ static void vt_event_wait(struct vt_event_wait *vw) list_add(&vw->list, &vt_events); spin_unlock_irqrestore(&vt_event_lock, flags); /* Wait for it to pass */ - wait_event_interruptible(vt_event_waitqueue, vw->done); + wait_event_interruptible_tty(vt_event_waitqueue, vw->done); /* Dequeue it */ spin_lock_irqsave(&vt_event_lock, flags); list_del(&vw->list); @@ -509,7 +509,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file, console = vc->vc_num; - lock_kernel(); + tty_lock(); if (!vc_cons_allocated(console)) { /* impossible? */ ret = -ENOIOCTLCMD; @@ -1336,7 +1336,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file, ret = -ENOIOCTLCMD; } out: - unlock_kernel(); + tty_unlock(); return ret; eperm: ret = -EPERM; @@ -1369,7 +1369,7 @@ void vc_SAK(struct work_struct *work) acquire_console_sem(); vc = vc_con->d; if (vc) { - tty = vc->vc_tty; + tty = vc->port.tty; /* * SAK should also work in all raw modes and reset * them properly. @@ -1503,7 +1503,7 @@ long vt_compat_ioctl(struct tty_struct *tty, struct file * file, console = vc->vc_num; - lock_kernel(); + tty_lock(); if (!vc_cons_allocated(console)) { /* impossible? */ ret = -ENOIOCTLCMD; @@ -1571,11 +1571,11 @@ long vt_compat_ioctl(struct tty_struct *tty, struct file * file, goto fallback; } out: - unlock_kernel(); + tty_unlock(); return ret; fallback: - unlock_kernel(); + tty_unlock(); return vt_ioctl(tty, file, cmd, arg); } @@ -1761,10 +1761,13 @@ int vt_move_to_console(unsigned int vt, int alloc) return -EIO; } release_console_sem(); + tty_lock(); if (vt_waitactive(vt + 1)) { pr_debug("Suspend: Can't switch VCs."); + tty_unlock(); return -EINTR; } + tty_unlock(); return prev; } diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c index 54acd8b..a79525f 100644 --- a/drivers/gpu/drm/i915/intel_fb.c +++ b/drivers/gpu/drm/i915/intel_fb.c @@ -130,7 +130,7 @@ static int intelfb_create(struct intel_fbdev *ifbdev, strcpy(info->fix.id, "inteldrmfb"); - info->flags = FBINFO_DEFAULT; + info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT; info->fbops = &intelfb_ops; /* setup aperture base/size for vesafb takeover */ @@ -148,8 +148,6 @@ static int intelfb_create(struct intel_fbdev *ifbdev, info->fix.smem_start = dev->mode_config.fb_base + obj_priv->gtt_offset; info->fix.smem_len = size; - info->flags = FBINFO_DEFAULT; - info->screen_base = ioremap_wc(dev->agp->base + obj_priv->gtt_offset, size); if (!info->screen_base) { diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c index 2fb2444..099f637 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c @@ -250,6 +250,7 @@ nouveau_fbcon_create(struct nouveau_fbdev *nfbdev, info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_IMAGEBLIT; + info->flags |= FBINFO_CAN_FORCE_OUTPUT; info->fbops = &nouveau_fbcon_ops; info->fix.smem_start = dev->mode_config.fb_base + nvbo->bo.offset - dev_priv->vm_vram_base; diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c index dc1634b..dbf8696 100644 --- a/drivers/gpu/drm/radeon/radeon_fb.c +++ b/drivers/gpu/drm/radeon/radeon_fb.c @@ -224,7 +224,7 @@ static int radeonfb_create(struct radeon_fbdev *rfbdev, drm_fb_helper_fill_fix(info, fb->pitch, fb->depth); - info->flags = FBINFO_DEFAULT; + info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT; info->fbops = &radeonfb_ops; tmp = radeon_bo_gpu_offset(rbo) - rdev->mc.vram_start; diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c index 807dcd1..724f46e 100644 --- a/drivers/hid/hid-wacom.c +++ b/drivers/hid/hid-wacom.c @@ -230,7 +230,7 @@ static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report, input_report_key(input, BTN_RIGHT, 0); input_report_key(input, BTN_MIDDLE, 0); input_report_abs(input, ABS_DISTANCE, - input->absmax[ABS_DISTANCE]); + input_abs_get_max(input, ABS_DISTANCE)); } else { input_report_key(input, BTN_TOUCH, 0); input_report_key(input, BTN_STYLUS, 0); @@ -383,38 +383,37 @@ move_on: /* Basics */ input->evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_REL); - input->absbit[0] |= BIT(ABS_X) | BIT(ABS_Y) | - BIT(ABS_PRESSURE) | BIT(ABS_DISTANCE); - input->relbit[0] |= BIT(REL_WHEEL); - set_bit(BTN_TOOL_PEN, input->keybit); - set_bit(BTN_TOUCH, input->keybit); - set_bit(BTN_STYLUS, input->keybit); - set_bit(BTN_STYLUS2, input->keybit); - set_bit(BTN_LEFT, input->keybit); - set_bit(BTN_RIGHT, input->keybit); - set_bit(BTN_MIDDLE, input->keybit); + + __set_bit(REL_WHEEL, input->relbit); + + __set_bit(BTN_TOOL_PEN, input->keybit); + __set_bit(BTN_TOUCH, input->keybit); + __set_bit(BTN_STYLUS, input->keybit); + __set_bit(BTN_STYLUS2, input->keybit); + __set_bit(BTN_LEFT, input->keybit); + __set_bit(BTN_RIGHT, input->keybit); + __set_bit(BTN_MIDDLE, input->keybit); /* Pad */ input->evbit[0] |= BIT(EV_MSC); - input->mscbit[0] |= BIT(MSC_SERIAL); - set_bit(BTN_0, input->keybit); - set_bit(BTN_1, input->keybit); - set_bit(BTN_TOOL_FINGER, input->keybit); - /* Distance, rubber and mouse */ - input->absbit[0] |= BIT(ABS_DISTANCE); - set_bit(BTN_TOOL_RUBBER, input->keybit); - set_bit(BTN_TOOL_MOUSE, input->keybit); + __set_bit(MSC_SERIAL, input->mscbit); - input->absmax[ABS_PRESSURE] = 511; - input->absmax[ABS_DISTANCE] = 32; + __set_bit(BTN_0, input->keybit); + __set_bit(BTN_1, input->keybit); + __set_bit(BTN_TOOL_FINGER, input->keybit); - input->absmax[ABS_X] = 16704; - input->absmax[ABS_Y] = 12064; - input->absfuzz[ABS_X] = 4; - input->absfuzz[ABS_Y] = 4; + /* Distance, rubber and mouse */ + __set_bit(BTN_TOOL_RUBBER, input->keybit); + __set_bit(BTN_TOOL_MOUSE, input->keybit); + + input_set_abs_params(input, ABS_X, 0, 16704, 4, 0); + input_set_abs_params(input, ABS_Y, 0, 12064, 4, 0); + input_set_abs_params(input, ABS_PRESSURE, 0, 511, 0, 0); + input_set_abs_params(input, ABS_DISTANCE, 0, 32, 0, 0); return 0; + err_free: kfree(wdata); return ret; diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index f9daffd..e88a2cf 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -190,7 +190,7 @@ void ide_prep_sense(ide_drive_t *drive, struct request *rq) BUG_ON(sense_len > sizeof(*sense)); - if (blk_sense_request(rq) || drive->sense_rq_armed) + if (rq->cmd_type == REQ_TYPE_SENSE || drive->sense_rq_armed) return; memset(sense, 0, sizeof(*sense)); @@ -307,13 +307,16 @@ EXPORT_SYMBOL_GPL(ide_cd_expiry); int ide_cd_get_xferlen(struct request *rq) { - if (blk_fs_request(rq)) + switch (rq->cmd_type) { + case REQ_TYPE_FS: return 32768; - else if (blk_sense_request(rq) || blk_pc_request(rq) || - rq->cmd_type == REQ_TYPE_ATA_PC) + case REQ_TYPE_SENSE: + case REQ_TYPE_BLOCK_PC: + case REQ_TYPE_ATA_PC: return blk_rq_bytes(rq); - else + default: return 0; + } } EXPORT_SYMBOL_GPL(ide_cd_get_xferlen); @@ -474,12 +477,12 @@ static ide_startstop_t ide_pc_intr(ide_drive_t *drive) if (uptodate == 0) drive->failed_pc = NULL; - if (blk_special_request(rq)) { + if (rq->cmd_type == REQ_TYPE_SPECIAL) { rq->errors = 0; error = 0; } else { - if (blk_fs_request(rq) == 0 && uptodate <= 0) { + if (rq->cmd_type != REQ_TYPE_FS && uptodate <= 0) { if (rq->errors == 0) rq->errors = -EIO; } diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 2de76cc..31fc769 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -31,6 +31,7 @@ #include <linux/delay.h> #include <linux/timer.h> #include <linux/seq_file.h> +#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/interrupt.h> #include <linux/errno.h> @@ -176,7 +177,7 @@ static void cdrom_analyze_sense_data(ide_drive_t *drive, if (!sense->valid) break; if (failed_command == NULL || - !blk_fs_request(failed_command)) + failed_command->cmd_type != REQ_TYPE_FS) break; sector = (sense->information[0] << 24) | (sense->information[1] << 16) | @@ -292,7 +293,7 @@ static int cdrom_decode_status(ide_drive_t *drive, u8 stat) "stat 0x%x", rq->cmd[0], rq->cmd_type, err, stat); - if (blk_sense_request(rq)) { + if (rq->cmd_type == REQ_TYPE_SENSE) { /* * We got an error trying to get sense info from the drive * (probably while trying to recover from a former error). @@ -303,7 +304,7 @@ static int cdrom_decode_status(ide_drive_t *drive, u8 stat) } /* if we have an error, pass CHECK_CONDITION as the SCSI status byte */ - if (blk_pc_request(rq) && !rq->errors) + if (rq->cmd_type == REQ_TYPE_BLOCK_PC && !rq->errors) rq->errors = SAM_STAT_CHECK_CONDITION; if (blk_noretry_request(rq)) @@ -311,13 +312,14 @@ static int cdrom_decode_status(ide_drive_t *drive, u8 stat) switch (sense_key) { case NOT_READY: - if (blk_fs_request(rq) && rq_data_dir(rq) == WRITE) { + if (rq->cmd_type == REQ_TYPE_FS && rq_data_dir(rq) == WRITE) { if (ide_cd_breathe(drive, rq)) return 1; } else { cdrom_saw_media_change(drive); - if (blk_fs_request(rq) && !blk_rq_quiet(rq)) + if (rq->cmd_type == REQ_TYPE_FS && + !(rq->cmd_flags & REQ_QUIET)) printk(KERN_ERR PFX "%s: tray open\n", drive->name); } @@ -326,7 +328,7 @@ static int cdrom_decode_status(ide_drive_t *drive, u8 stat) case UNIT_ATTENTION: cdrom_saw_media_change(drive); - if (blk_fs_request(rq) == 0) + if (rq->cmd_type != REQ_TYPE_FS) return 0; /* @@ -352,7 +354,7 @@ static int cdrom_decode_status(ide_drive_t *drive, u8 stat) * No point in retrying after an illegal request or data * protect error. */ - if (!blk_rq_quiet(rq)) + if (!(rq->cmd_flags & REQ_QUIET)) ide_dump_status(drive, "command error", stat); do_end_request = 1; break; @@ -361,20 +363,20 @@ static int cdrom_decode_status(ide_drive_t *drive, u8 stat) * No point in re-trying a zillion times on a bad sector. * If we got here the error is not correctable. */ - if (!blk_rq_quiet(rq)) + if (!(rq->cmd_flags & REQ_QUIET)) ide_dump_status(drive, "media error " "(bad sector)", stat); do_end_request = 1; break; case BLANK_CHECK: /* disk appears blank? */ - if (!blk_rq_quiet(rq)) + if (!(rq->cmd_flags & REQ_QUIET)) ide_dump_status(drive, "media error (blank)", stat); do_end_request = 1; break; default: - if (blk_fs_request(rq) == 0) + if (rq->cmd_type != REQ_TYPE_FS) break; if (err & ~ATA_ABORTED) { /* go to the default handler for other errors */ @@ -385,7 +387,7 @@ static int cdrom_decode_status(ide_drive_t *drive, u8 stat) do_end_request = 1; } - if (blk_fs_request(rq) == 0) { + if (rq->cmd_type != REQ_TYPE_FS) { rq->cmd_flags |= REQ_FAILED; do_end_request = 1; } @@ -532,7 +534,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) ide_expiry_t *expiry = NULL; int dma_error = 0, dma, thislen, uptodate = 0; int write = (rq_data_dir(rq) == WRITE) ? 1 : 0, rc = 0; - int sense = blk_sense_request(rq); + int sense = (rq->cmd_type == REQ_TYPE_SENSE); unsigned int timeout; u16 len; u8 ireason, stat; @@ -575,7 +577,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) ide_read_bcount_and_ireason(drive, &len, &ireason); - thislen = blk_fs_request(rq) ? len : cmd->nleft; + thislen = (rq->cmd_type == REQ_TYPE_FS) ? len : cmd->nleft; if (thislen > len) thislen = len; @@ -584,7 +586,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) /* If DRQ is clear, the command has completed. */ if ((stat & ATA_DRQ) == 0) { - if (blk_fs_request(rq)) { + if (rq->cmd_type == REQ_TYPE_FS) { /* * If we're not done reading/writing, complain. * Otherwise, complete the command normally. @@ -598,7 +600,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) rq->cmd_flags |= REQ_FAILED; uptodate = 0; } - } else if (!blk_pc_request(rq)) { + } else if (rq->cmd_type != REQ_TYPE_BLOCK_PC) { ide_cd_request_sense_fixup(drive, cmd); uptodate = cmd->nleft ? 0 : 1; @@ -647,7 +649,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) /* pad, if necessary */ if (len > 0) { - if (blk_fs_request(rq) == 0 || write == 0) + if (rq->cmd_type != REQ_TYPE_FS || write == 0) ide_pad_transfer(drive, write, len); else { printk(KERN_ERR PFX "%s: confused, missing data\n", @@ -656,11 +658,11 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) } } - if (blk_pc_request(rq)) { + if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { timeout = rq->timeout; } else { timeout = ATAPI_WAIT_PC; - if (!blk_fs_request(rq)) + if (rq->cmd_type != REQ_TYPE_FS) expiry = ide_cd_expiry; } @@ -669,7 +671,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) return ide_started; out_end: - if (blk_pc_request(rq) && rc == 0) { + if (rq->cmd_type == REQ_TYPE_BLOCK_PC && rc == 0) { rq->resid_len = 0; blk_end_request_all(rq, 0); hwif->rq = NULL; @@ -677,7 +679,7 @@ out_end: if (sense && uptodate) ide_cd_complete_failed_rq(drive, rq); - if (blk_fs_request(rq)) { + if (rq->cmd_type == REQ_TYPE_FS) { if (cmd->nleft == 0) uptodate = 1; } else { @@ -690,7 +692,7 @@ out_end: return ide_stopped; /* make sure it's fully ended */ - if (blk_fs_request(rq) == 0) { + if (rq->cmd_type != REQ_TYPE_FS) { rq->resid_len -= cmd->nbytes - cmd->nleft; if (uptodate == 0 && (cmd->tf_flags & IDE_TFLAG_WRITE)) rq->resid_len += cmd->last_xfer_len; @@ -750,7 +752,7 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) ide_debug_log(IDE_DBG_PC, "rq->cmd[0]: 0x%x, rq->cmd_type: 0x%x", rq->cmd[0], rq->cmd_type); - if (blk_pc_request(rq)) + if (rq->cmd_type == REQ_TYPE_BLOCK_PC) rq->cmd_flags |= REQ_QUIET; else rq->cmd_flags &= ~REQ_FAILED; @@ -791,21 +793,26 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq, if (drive->debug_mask & IDE_DBG_RQ) blk_dump_rq_flags(rq, "ide_cd_do_request"); - if (blk_fs_request(rq)) { + switch (rq->cmd_type) { + case REQ_TYPE_FS: if (cdrom_start_rw(drive, rq) == ide_stopped) goto out_end; - } else if (blk_sense_request(rq) || blk_pc_request(rq) || - rq->cmd_type == REQ_TYPE_ATA_PC) { + break; + case REQ_TYPE_SENSE: + case REQ_TYPE_BLOCK_PC: + case REQ_TYPE_ATA_PC: if (!rq->timeout) rq->timeout = ATAPI_WAIT_PC; cdrom_do_block_pc(drive, rq); - } else if (blk_special_request(rq)) { + break; + case REQ_TYPE_SPECIAL: /* right now this can only be a reset... */ uptodate = 1; goto out_end; - } else + default: BUG(); + } /* prepare sense request for this command */ ide_prep_sense(drive, rq); @@ -817,7 +824,7 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq, cmd.rq = rq; - if (blk_fs_request(rq) || blk_rq_bytes(rq)) { + if (rq->cmd_type == REQ_TYPE_FS || blk_rq_bytes(rq)) { ide_init_sg_cmd(&cmd, blk_rq_bytes(rq)); ide_map_sg(drive, &cmd); } @@ -1373,9 +1380,9 @@ static int ide_cdrom_prep_pc(struct request *rq) static int ide_cdrom_prep_fn(struct request_queue *q, struct request *rq) { - if (blk_fs_request(rq)) + if (rq->cmd_type == REQ_TYPE_FS) return ide_cdrom_prep_fs(q, rq); - else if (blk_pc_request(rq)) + else if (rq->cmd_type == REQ_TYPE_BLOCK_PC) return ide_cdrom_prep_pc(rq); return 0; @@ -1592,17 +1599,19 @@ static struct ide_driver ide_cdrom_driver = { static int idecd_open(struct block_device *bdev, fmode_t mode) { - struct cdrom_info *info = ide_cd_get(bdev->bd_disk); - int rc = -ENOMEM; + struct cdrom_info *info; + int rc = -ENXIO; + lock_kernel(); + info = ide_cd_get(bdev->bd_disk); if (!info) - return -ENXIO; + goto out; rc = cdrom_open(&info->devinfo, bdev, mode); - if (rc < 0) ide_cd_put(info); - +out: + unlock_kernel(); return rc; } @@ -1610,9 +1619,11 @@ static int idecd_release(struct gendisk *disk, fmode_t mode) { struct cdrom_info *info = ide_drv_g(disk, cdrom_info); + lock_kernel(); cdrom_release(&info->devinfo, mode); ide_cd_put(info); + unlock_kernel(); return 0; } @@ -1656,7 +1667,7 @@ static int idecd_get_spindown(struct cdrom_device_info *cdi, unsigned long arg) return 0; } -static int idecd_ioctl(struct block_device *bdev, fmode_t mode, +static int idecd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg) { struct cdrom_info *info = ide_drv_g(bdev->bd_disk, cdrom_info); @@ -1678,6 +1689,19 @@ static int idecd_ioctl(struct block_device *bdev, fmode_t mode, return err; } +static int idecd_ioctl(struct block_device *bdev, fmode_t mode, + unsigned int cmd, unsigned long arg) +{ + int ret; + + lock_kernel(); + ret = idecd_locked_ioctl(bdev, mode, cmd, arg); + unlock_kernel(); + + return ret; +} + + static int idecd_media_changed(struct gendisk *disk) { struct cdrom_info *info = ide_drv_g(disk, cdrom_info); @@ -1698,7 +1722,7 @@ static const struct block_device_operations idecd_ops = { .owner = THIS_MODULE, .open = idecd_open, .release = idecd_release, - .locked_ioctl = idecd_ioctl, + .ioctl = idecd_ioctl, .media_changed = idecd_media_changed, .revalidate_disk = idecd_revalidate_disk }; diff --git a/drivers/ide/ide-cd_ioctl.c b/drivers/ide/ide-cd_ioctl.c index 02712bf..766b3de 100644 --- a/drivers/ide/ide-cd_ioctl.c +++ b/drivers/ide/ide-cd_ioctl.c @@ -454,7 +454,7 @@ int ide_cdrom_packet(struct cdrom_device_info *cdi, touch it at all. */ if (cgc->data_direction == CGC_DATA_WRITE) - flags |= REQ_RW; + flags |= REQ_WRITE; if (cgc->sense) memset(cgc->sense, 0, sizeof(struct request_sense)); diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 33d6503..7433e07 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -184,7 +184,7 @@ static ide_startstop_t ide_do_rw_disk(ide_drive_t *drive, struct request *rq, ide_hwif_t *hwif = drive->hwif; BUG_ON(drive->dev_flags & IDE_DFLAG_BLOCKED); - BUG_ON(!blk_fs_request(rq)); + BUG_ON(rq->cmd_type != REQ_TYPE_FS); ledtrig_ide_activity(); @@ -427,10 +427,15 @@ static void ide_disk_unlock_native_capacity(ide_drive_t *drive) drive->dev_flags |= IDE_DFLAG_NOHPA; /* disable HPA on resume */ } -static void idedisk_prepare_flush(struct request_queue *q, struct request *rq) +static int idedisk_prep_fn(struct request_queue *q, struct request *rq) { ide_drive_t *drive = q->queuedata; - struct ide_cmd *cmd = kmalloc(sizeof(*cmd), GFP_ATOMIC); + struct ide_cmd *cmd; + + if (!(rq->cmd_flags & REQ_FLUSH)) + return BLKPREP_OK; + + cmd = kmalloc(sizeof(*cmd), GFP_ATOMIC); /* FIXME: map struct ide_taskfile on rq->cmd[] */ BUG_ON(cmd == NULL); @@ -448,6 +453,8 @@ static void idedisk_prepare_flush(struct request_queue *q, struct request *rq) rq->cmd_type = REQ_TYPE_ATA_TASKFILE; rq->special = cmd; cmd->rq = rq; + + return BLKPREP_OK; } ide_devset_get(multcount, mult_count); @@ -513,7 +520,6 @@ static void update_ordered(ide_drive_t *drive) { u16 *id = drive->id; unsigned ordered = QUEUE_ORDERED_NONE; - prepare_flush_fn *prep_fn = NULL; if (drive->dev_flags & IDE_DFLAG_WCACHE) { unsigned long long capacity; @@ -538,12 +544,12 @@ static void update_ordered(ide_drive_t *drive) if (barrier) { ordered = QUEUE_ORDERED_DRAIN_FLUSH; - prep_fn = idedisk_prepare_flush; + blk_queue_prep_rq(drive->queue, idedisk_prep_fn); } } else ordered = QUEUE_ORDERED_DRAIN; - blk_queue_ordered(drive->queue, ordered, prep_fn); + blk_queue_ordered(drive->queue, ordered); } ide_devset_get_flag(wcache, IDE_DFLAG_WCACHE); diff --git a/drivers/ide/ide-disk_ioctl.c b/drivers/ide/ide-disk_ioctl.c index 7b783dd..ec94c66 100644 --- a/drivers/ide/ide-disk_ioctl.c +++ b/drivers/ide/ide-disk_ioctl.c @@ -1,6 +1,7 @@ #include <linux/kernel.h> #include <linux/ide.h> #include <linux/hdreg.h> +#include <linux/smp_lock.h> #include "ide-disk.h" @@ -18,9 +19,13 @@ int ide_disk_ioctl(ide_drive_t *drive, struct block_device *bdev, fmode_t mode, { int err; + lock_kernel(); err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_disk_ioctl_settings); if (err != -EOPNOTSUPP) - return err; + goto out; - return generic_ide_ioctl(drive, bdev, cmd, arg); + err = generic_ide_ioctl(drive, bdev, cmd, arg); +out: + unlock_kernel(); + return err; } diff --git a/drivers/ide/ide-eh.c b/drivers/ide/ide-eh.c index e9abf2c..c0aa93f 100644 --- a/drivers/ide/ide-eh.c +++ b/drivers/ide/ide-eh.c @@ -122,7 +122,7 @@ ide_startstop_t ide_error(ide_drive_t *drive, const char *msg, u8 stat) return ide_stopped; /* retry only "normal" I/O: */ - if (!blk_fs_request(rq)) { + if (rq->cmd_type != REQ_TYPE_FS) { if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE) { struct ide_cmd *cmd = rq->special; @@ -146,7 +146,8 @@ static inline void ide_complete_drive_reset(ide_drive_t *drive, int err) { struct request *rq = drive->hwif->rq; - if (rq && blk_special_request(rq) && rq->cmd[0] == REQ_DRIVE_RESET) { + if (rq && rq->cmd_type == REQ_TYPE_SPECIAL && + rq->cmd[0] == REQ_DRIVE_RESET) { if (err <= 0 && rq->errors == 0) rq->errors = -EIO; ide_complete_rq(drive, err ? err : 0, blk_rq_bytes(rq)); diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 4713bdc..5406b6e 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -73,7 +73,7 @@ static int ide_floppy_callback(ide_drive_t *drive, int dsc) drive->failed_pc = NULL; if (pc->c[0] == GPCMD_READ_10 || pc->c[0] == GPCMD_WRITE_10 || - (rq && blk_pc_request(rq))) + (rq && rq->cmd_type == REQ_TYPE_BLOCK_PC)) uptodate = 1; /* FIXME */ else if (pc->c[0] == GPCMD_REQUEST_SENSE) { @@ -98,7 +98,7 @@ static int ide_floppy_callback(ide_drive_t *drive, int dsc) "Aborting request!\n"); } - if (blk_special_request(rq)) + if (rq->cmd_type == REQ_TYPE_SPECIAL) rq->errors = uptodate ? 0 : IDE_DRV_ERROR_GENERAL; return uptodate; @@ -207,7 +207,7 @@ static void idefloppy_create_rw_cmd(ide_drive_t *drive, memcpy(rq->cmd, pc->c, 12); pc->rq = rq; - if (rq->cmd_flags & REQ_RW) + if (rq->cmd_flags & REQ_WRITE) pc->flags |= PC_FLAG_WRITING; pc->flags |= PC_FLAG_DMA_OK; @@ -247,14 +247,16 @@ static ide_startstop_t ide_floppy_do_request(ide_drive_t *drive, } else printk(KERN_ERR PFX "%s: I/O error\n", drive->name); - if (blk_special_request(rq)) { + if (rq->cmd_type == REQ_TYPE_SPECIAL) { rq->errors = 0; ide_complete_rq(drive, 0, blk_rq_bytes(rq)); return ide_stopped; } else goto out_end; } - if (blk_fs_request(rq)) { + + switch (rq->cmd_type) { + case REQ_TYPE_FS: if (((long)blk_rq_pos(rq) % floppy->bs_factor) || (blk_rq_sectors(rq) % floppy->bs_factor)) { printk(KERN_ERR PFX "%s: unsupported r/w rq size\n", @@ -263,13 +265,18 @@ static ide_startstop_t ide_floppy_do_request(ide_drive_t *drive, } pc = &floppy->queued_pc; idefloppy_create_rw_cmd(drive, pc, rq, (unsigned long)block); - } else if (blk_special_request(rq) || blk_sense_request(rq)) { + break; + case REQ_TYPE_SPECIAL: + case REQ_TYPE_SENSE: pc = (struct ide_atapi_pc *)rq->special; - } else if (blk_pc_request(rq)) { + break; + case REQ_TYPE_BLOCK_PC: pc = &floppy->queued_pc; idefloppy_blockpc_cmd(floppy, pc, rq); - } else + break; + default: BUG(); + } ide_prep_sense(drive, rq); @@ -280,7 +287,7 @@ static ide_startstop_t ide_floppy_do_request(ide_drive_t *drive, cmd.rq = rq; - if (blk_fs_request(rq) || blk_rq_bytes(rq)) { + if (rq->cmd_type == REQ_TYPE_FS || blk_rq_bytes(rq)) { ide_init_sg_cmd(&cmd, blk_rq_bytes(rq)); ide_map_sg(drive, &cmd); } @@ -290,7 +297,7 @@ static ide_startstop_t ide_floppy_do_request(ide_drive_t *drive, return ide_floppy_issue_pc(drive, &cmd, pc); out_end: drive->failed_pc = NULL; - if (blk_fs_request(rq) == 0 && rq->errors == 0) + if (rq->cmd_type != REQ_TYPE_FS && rq->errors == 0) rq->errors = -EIO; ide_complete_rq(drive, -EIO, blk_rq_bytes(rq)); return ide_stopped; diff --git a/drivers/ide/ide-floppy_ioctl.c b/drivers/ide/ide-floppy_ioctl.c index 9c22882..fd3d05a 100644 --- a/drivers/ide/ide-floppy_ioctl.c +++ b/drivers/ide/ide-floppy_ioctl.c @@ -5,6 +5,7 @@ #include <linux/kernel.h> #include <linux/ide.h> #include <linux/cdrom.h> +#include <linux/smp_lock.h> #include <asm/unaligned.h> @@ -275,12 +276,15 @@ int ide_floppy_ioctl(ide_drive_t *drive, struct block_device *bdev, void __user *argp = (void __user *)arg; int err; - if (cmd == CDROMEJECT || cmd == CDROM_LOCKDOOR) - return ide_floppy_lockdoor(drive, &pc, arg, cmd); + lock_kernel(); + if (cmd == CDROMEJECT || cmd == CDROM_LOCKDOOR) { + err = ide_floppy_lockdoor(drive, &pc, arg, cmd); + goto out; + } err = ide_floppy_format_ioctl(drive, &pc, mode, cmd, argp); if (err != -ENOTTY) - return err; + goto out; /* * skip SCSI_IOCTL_SEND_COMMAND (deprecated) @@ -293,5 +297,7 @@ int ide_floppy_ioctl(ide_drive_t *drive, struct block_device *bdev, if (err == -ENOTTY) err = generic_ide_ioctl(drive, bdev, cmd, arg); +out: + unlock_kernel(); return err; } diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c index 7939953..70aeeb1 100644 --- a/drivers/ide/ide-gd.c +++ b/drivers/ide/ide-gd.c @@ -1,3 +1,4 @@ +#include <linux/smp_lock.h> #include <linux/module.h> #include <linux/types.h> #include <linux/string.h> @@ -237,6 +238,18 @@ out_put_idkp: return ret; } +static int ide_gd_unlocked_open(struct block_device *bdev, fmode_t mode) +{ + int ret; + + lock_kernel(); + ret = ide_gd_open(bdev, mode); + unlock_kernel(); + + return ret; +} + + static int ide_gd_release(struct gendisk *disk, fmode_t mode) { struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj); @@ -244,6 +257,7 @@ static int ide_gd_release(struct gendisk *disk, fmode_t mode) ide_debug_log(IDE_DBG_FUNC, "enter"); + lock_kernel(); if (idkp->openers == 1) drive->disk_ops->flush(drive); @@ -255,6 +269,7 @@ static int ide_gd_release(struct gendisk *disk, fmode_t mode) idkp->openers--; ide_disk_put(idkp); + unlock_kernel(); return 0; } @@ -321,9 +336,9 @@ static int ide_gd_ioctl(struct block_device *bdev, fmode_t mode, static const struct block_device_operations ide_gd_ops = { .owner = THIS_MODULE, - .open = ide_gd_open, + .open = ide_gd_unlocked_open, .release = ide_gd_release, - .locked_ioctl = ide_gd_ioctl, + .ioctl = ide_gd_ioctl, .getgeo = ide_gd_getgeo, .media_changed = ide_gd_media_changed, .unlock_native_capacity = ide_gd_unlock_native_capacity, diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 172ac92..a381be8 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -135,7 +135,7 @@ EXPORT_SYMBOL(ide_complete_rq); void ide_kill_rq(ide_drive_t *drive, struct request *rq) { - u8 drv_req = blk_special_request(rq) && rq->rq_disk; + u8 drv_req = (rq->cmd_type == REQ_TYPE_SPECIAL) && rq->rq_disk; u8 media = drive->media; drive->failed_pc = NULL; @@ -145,7 +145,7 @@ void ide_kill_rq(ide_drive_t *drive, struct request *rq) } else { if (media == ide_tape) rq->errors = IDE_DRV_ERROR_GENERAL; - else if (blk_fs_request(rq) == 0 && rq->errors == 0) + else if (rq->cmd_type != REQ_TYPE_FS && rq->errors == 0) rq->errors = -EIO; } @@ -307,7 +307,7 @@ static ide_startstop_t start_request (ide_drive_t *drive, struct request *rq) { ide_startstop_t startstop; - BUG_ON(!blk_rq_started(rq)); + BUG_ON(!(rq->cmd_flags & REQ_STARTED)); #ifdef DEBUG printk("%s: start_request: current=0x%08lx\n", @@ -353,7 +353,7 @@ static ide_startstop_t start_request (ide_drive_t *drive, struct request *rq) pm->pm_step == IDE_PM_COMPLETED) ide_complete_pm_rq(drive, rq); return startstop; - } else if (!rq->rq_disk && blk_special_request(rq)) + } else if (!rq->rq_disk && rq->cmd_type == REQ_TYPE_SPECIAL) /* * TODO: Once all ULDs have been modified to * check for specific op codes rather than diff --git a/drivers/ide/ide-pm.c b/drivers/ide/ide-pm.c index 1c08311..9240609 100644 --- a/drivers/ide/ide-pm.c +++ b/drivers/ide/ide-pm.c @@ -191,10 +191,10 @@ void ide_complete_pm_rq(ide_drive_t *drive, struct request *rq) #ifdef DEBUG_PM printk("%s: completing PM request, %s\n", drive->name, - blk_pm_suspend_request(rq) ? "suspend" : "resume"); + (rq->cmd_type == REQ_TYPE_PM_SUSPEND) ? "suspend" : "resume"); #endif spin_lock_irqsave(q->queue_lock, flags); - if (blk_pm_suspend_request(rq)) + if (rq->cmd_type == REQ_TYPE_PM_SUSPEND) blk_stop_queue(q); else drive->dev_flags &= ~IDE_DFLAG_BLOCKED; @@ -210,11 +210,11 @@ void ide_check_pm_state(ide_drive_t *drive, struct request *rq) { struct request_pm_state *pm = rq->special; - if (blk_pm_suspend_request(rq) && + if (rq->cmd_type == REQ_TYPE_PM_SUSPEND && pm->pm_step == IDE_PM_START_SUSPEND) /* Mark drive blocked when starting the suspend sequence. */ drive->dev_flags |= IDE_DFLAG_BLOCKED; - else if (blk_pm_resume_request(rq) && + else if (rq->cmd_type == REQ_TYPE_PM_RESUME && pm->pm_step == IDE_PM_START_RESUME) { /* * The first thing we do on wakeup is to wait for BSY bit to diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index b072328..6d622cb 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -32,6 +32,7 @@ #include <linux/errno.h> #include <linux/genhd.h> #include <linux/seq_file.h> +#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/pci.h> #include <linux/ide.h> @@ -577,7 +578,8 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive, rq->cmd[0], (unsigned long long)blk_rq_pos(rq), blk_rq_sectors(rq)); - BUG_ON(!(blk_special_request(rq) || blk_sense_request(rq))); + BUG_ON(!(rq->cmd_type == REQ_TYPE_SPECIAL || + rq->cmd_type == REQ_TYPE_SENSE)); /* Retry a failed packet command */ if (drive->failed_pc && drive->pc->c[0] == REQUEST_SENSE) { @@ -1905,7 +1907,11 @@ static const struct file_operations idetape_fops = { static int idetape_open(struct block_device *bdev, fmode_t mode) { - struct ide_tape_obj *tape = ide_tape_get(bdev->bd_disk, false, 0); + struct ide_tape_obj *tape; + + lock_kernel(); + tape = ide_tape_get(bdev->bd_disk, false, 0); + unlock_kernel(); if (!tape) return -ENXIO; @@ -1917,7 +1923,10 @@ static int idetape_release(struct gendisk *disk, fmode_t mode) { struct ide_tape_obj *tape = ide_drv_g(disk, ide_tape_obj); + lock_kernel(); ide_tape_put(tape); + unlock_kernel(); + return 0; } @@ -1926,9 +1935,14 @@ static int idetape_ioctl(struct block_device *bdev, fmode_t mode, { struct ide_tape_obj *tape = ide_drv_g(bdev->bd_disk, ide_tape_obj); ide_drive_t *drive = tape->drive; - int err = generic_ide_ioctl(drive, bdev, cmd, arg); + int err; + + lock_kernel(); + err = generic_ide_ioctl(drive, bdev, cmd, arg); if (err == -EINVAL) err = idetape_blkdev_ioctl(drive, cmd, arg); + unlock_kernel(); + return err; } @@ -1936,7 +1950,7 @@ static const struct block_device_operations idetape_block_ops = { .owner = THIS_MODULE, .open = idetape_open, .release = idetape_release, - .locked_ioctl = idetape_ioctl, + .ioctl = idetape_ioctl, }; static int ide_tape_probe(ide_drive_t *drive) diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c index d870f9c..9bbf491 100644 --- a/drivers/infiniband/hw/cxgb4/device.c +++ b/drivers/infiniband/hw/cxgb4/device.c @@ -250,12 +250,17 @@ static int c4iw_rdev_open(struct c4iw_rdev *rdev) rdev->cqshift = PAGE_SHIFT - ilog2(rdev->lldi.ucq_density); rdev->cqmask = rdev->lldi.ucq_density - 1; PDBG("%s dev %s stag start 0x%0x size 0x%0x num stags %d " - "pbl start 0x%0x size 0x%0x rq start 0x%0x size 0x%0x\n", + "pbl start 0x%0x size 0x%0x rq start 0x%0x size 0x%0x " + "qp qid start %u size %u cq qid start %u size %u\n", __func__, pci_name(rdev->lldi.pdev), rdev->lldi.vr->stag.start, rdev->lldi.vr->stag.size, c4iw_num_stags(rdev), rdev->lldi.vr->pbl.start, rdev->lldi.vr->pbl.size, rdev->lldi.vr->rq.start, - rdev->lldi.vr->rq.size); + rdev->lldi.vr->rq.size, + rdev->lldi.vr->qp.start, + rdev->lldi.vr->qp.size, + rdev->lldi.vr->cq.start, + rdev->lldi.vr->cq.size); PDBG("udb len 0x%x udb base %p db_reg %p gts_reg %p qpshift %lu " "qpmask 0x%x cqshift %lu cqmask 0x%x\n", (unsigned)pci_resource_len(rdev->lldi.pdev, 2), diff --git a/drivers/infiniband/hw/cxgb4/resource.c b/drivers/infiniband/hw/cxgb4/resource.c index fb195d1..83b23df 100644 --- a/drivers/infiniband/hw/cxgb4/resource.c +++ b/drivers/infiniband/hw/cxgb4/resource.c @@ -110,11 +110,12 @@ static int c4iw_init_qid_fifo(struct c4iw_rdev *rdev) spin_lock_init(&rdev->resource.qid_fifo_lock); - if (kfifo_alloc(&rdev->resource.qid_fifo, T4_MAX_QIDS * sizeof(u32), - GFP_KERNEL)) + if (kfifo_alloc(&rdev->resource.qid_fifo, rdev->lldi.vr->qp.size * + sizeof(u32), GFP_KERNEL)) return -ENOMEM; - for (i = T4_QID_BASE; i < T4_QID_BASE + T4_MAX_QIDS; i++) + for (i = rdev->lldi.vr->qp.start; + i < rdev->lldi.vr->qp.start + rdev->lldi.vr->qp.size; i++) if (!(i & rdev->qpmask)) kfifo_in(&rdev->resource.qid_fifo, (unsigned char *) &i, sizeof(u32)); diff --git a/drivers/infiniband/hw/cxgb4/t4.h b/drivers/infiniband/hw/cxgb4/t4.h index aef55f4..24f3690 100644 --- a/drivers/infiniband/hw/cxgb4/t4.h +++ b/drivers/infiniband/hw/cxgb4/t4.h @@ -36,8 +36,6 @@ #include "t4_msg.h" #include "t4fw_ri_api.h" -#define T4_QID_BASE 1024 -#define T4_MAX_QIDS 256 #define T4_MAX_NUM_QP (1<<16) #define T4_MAX_NUM_CQ (1<<15) #define T4_MAX_NUM_PD (1<<15) diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index 054edf3..c908c5f 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -492,13 +492,15 @@ static int str_to_user(const char *str, unsigned int maxlen, void __user *p) } #define OLD_KEY_MAX 0x1ff -static int handle_eviocgbit(struct input_dev *dev, unsigned int cmd, void __user *p, int compat_mode) +static int handle_eviocgbit(struct input_dev *dev, + unsigned int type, unsigned int size, + void __user *p, int compat_mode) { static unsigned long keymax_warn_time; unsigned long *bits; int len; - switch (_IOC_NR(cmd) & EV_MAX) { + switch (type) { case 0: bits = dev->evbit; len = EV_MAX; break; case EV_KEY: bits = dev->keybit; len = KEY_MAX; break; @@ -517,7 +519,7 @@ static int handle_eviocgbit(struct input_dev *dev, unsigned int cmd, void __user * EVIOCGBIT(EV_KEY, KEY_MAX) and not realize that 'len' * should be in bytes, not in bits. */ - if ((_IOC_NR(cmd) & EV_MAX) == EV_KEY && _IOC_SIZE(cmd) == OLD_KEY_MAX) { + if (type == EV_KEY && size == OLD_KEY_MAX) { len = OLD_KEY_MAX; if (printk_timed_ratelimit(&keymax_warn_time, 10 * 1000)) printk(KERN_WARNING @@ -528,7 +530,7 @@ static int handle_eviocgbit(struct input_dev *dev, unsigned int cmd, void __user BITS_TO_LONGS(OLD_KEY_MAX) * sizeof(long)); } - return bits_to_user(bits, len, _IOC_SIZE(cmd), p, compat_mode); + return bits_to_user(bits, len, size, p, compat_mode); } #undef OLD_KEY_MAX @@ -542,8 +544,10 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd, struct ff_effect effect; int __user *ip = (int __user *)p; unsigned int i, t, u, v; + unsigned int size; int error; + /* First we check for fixed-length commands */ switch (cmd) { case EVIOCGVERSION: @@ -610,112 +614,102 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd, return evdev_grab(evdev, client); else return evdev_ungrab(evdev, client); + } - default: - - if (_IOC_TYPE(cmd) != 'E') - return -EINVAL; - - if (_IOC_DIR(cmd) == _IOC_READ) { + size = _IOC_SIZE(cmd); - if ((_IOC_NR(cmd) & ~EV_MAX) == _IOC_NR(EVIOCGBIT(0, 0))) - return handle_eviocgbit(dev, cmd, p, compat_mode); + /* Now check variable-length commands */ +#define EVIOC_MASK_SIZE(nr) ((nr) & ~(_IOC_SIZEMASK << _IOC_SIZESHIFT)) - if (_IOC_NR(cmd) == _IOC_NR(EVIOCGKEY(0))) - return bits_to_user(dev->key, KEY_MAX, _IOC_SIZE(cmd), - p, compat_mode); + switch (EVIOC_MASK_SIZE(cmd)) { - if (_IOC_NR(cmd) == _IOC_NR(EVIOCGLED(0))) - return bits_to_user(dev->led, LED_MAX, _IOC_SIZE(cmd), - p, compat_mode); + case EVIOCGKEY(0): + return bits_to_user(dev->key, KEY_MAX, size, p, compat_mode); - if (_IOC_NR(cmd) == _IOC_NR(EVIOCGSND(0))) - return bits_to_user(dev->snd, SND_MAX, _IOC_SIZE(cmd), - p, compat_mode); + case EVIOCGLED(0): + return bits_to_user(dev->led, LED_MAX, size, p, compat_mode); - if (_IOC_NR(cmd) == _IOC_NR(EVIOCGSW(0))) - return bits_to_user(dev->sw, SW_MAX, _IOC_SIZE(cmd), - p, compat_mode); + case EVIOCGSND(0): + return bits_to_user(dev->snd, SND_MAX, size, p, compat_mode); - if (_IOC_NR(cmd) == _IOC_NR(EVIOCGNAME(0))) - return str_to_user(dev->name, _IOC_SIZE(cmd), p); + case EVIOCGSW(0): + return bits_to_user(dev->sw, SW_MAX, size, p, compat_mode); - if (_IOC_NR(cmd) == _IOC_NR(EVIOCGPHYS(0))) - return str_to_user(dev->phys, _IOC_SIZE(cmd), p); + case EVIOCGNAME(0): + return str_to_user(dev->name, size, p); - if (_IOC_NR(cmd) == _IOC_NR(EVIOCGUNIQ(0))) - return str_to_user(dev->uniq, _IOC_SIZE(cmd), p); + case EVIOCGPHYS(0): + return str_to_user(dev->phys, size, p); - if ((_IOC_NR(cmd) & ~ABS_MAX) == _IOC_NR(EVIOCGABS(0))) { + case EVIOCGUNIQ(0): + return str_to_user(dev->uniq, size, p); - t = _IOC_NR(cmd) & ABS_MAX; + case EVIOC_MASK_SIZE(EVIOCSFF): + if (input_ff_effect_from_user(p, size, &effect)) + return -EFAULT; - abs.value = dev->abs[t]; - abs.minimum = dev->absmin[t]; - abs.maximum = dev->absmax[t]; - abs.fuzz = dev->absfuzz[t]; - abs.flat = dev->absflat[t]; - abs.resolution = dev->absres[t]; + error = input_ff_upload(dev, &effect, file); - if (copy_to_user(p, &abs, min_t(size_t, - _IOC_SIZE(cmd), - sizeof(struct input_absinfo)))) - return -EFAULT; + if (put_user(effect.id, &(((struct ff_effect __user *)p)->id))) + return -EFAULT; - return 0; - } + return error; + } - } + /* Multi-number variable-length handlers */ + if (_IOC_TYPE(cmd) != 'E') + return -EINVAL; - if (_IOC_DIR(cmd) == _IOC_WRITE) { + if (_IOC_DIR(cmd) == _IOC_READ) { - if (_IOC_NR(cmd) == _IOC_NR(EVIOCSFF)) { + if ((_IOC_NR(cmd) & ~EV_MAX) == _IOC_NR(EVIOCGBIT(0, 0))) + return handle_eviocgbit(dev, + _IOC_NR(cmd) & EV_MAX, size, + p, compat_mode); - if (input_ff_effect_from_user(p, _IOC_SIZE(cmd), &effect)) - return -EFAULT; + if ((_IOC_NR(cmd) & ~ABS_MAX) == _IOC_NR(EVIOCGABS(0))) { - error = input_ff_upload(dev, &effect, file); + t = _IOC_NR(cmd) & ABS_MAX; + abs = dev->absinfo[t]; - if (put_user(effect.id, &(((struct ff_effect __user *)p)->id))) - return -EFAULT; + if (copy_to_user(p, &abs, min_t(size_t, + size, sizeof(struct input_absinfo)))) + return -EFAULT; - return error; - } + return 0; + } + } - if ((_IOC_NR(cmd) & ~ABS_MAX) == _IOC_NR(EVIOCSABS(0))) { + if (_IOC_DIR(cmd) == _IOC_READ) { - t = _IOC_NR(cmd) & ABS_MAX; + if ((_IOC_NR(cmd) & ~ABS_MAX) == _IOC_NR(EVIOCSABS(0))) { - if (copy_from_user(&abs, p, min_t(size_t, - _IOC_SIZE(cmd), - sizeof(struct input_absinfo)))) - return -EFAULT; + t = _IOC_NR(cmd) & ABS_MAX; - /* We can't change number of reserved MT slots */ - if (t == ABS_MT_SLOT) - return -EINVAL; + if (copy_from_user(&abs, p, min_t(size_t, + size, sizeof(struct input_absinfo)))) + return -EFAULT; - /* - * Take event lock to ensure that we are not - * changing device parameters in the middle - * of event. - */ - spin_lock_irq(&dev->event_lock); + if (size < sizeof(struct input_absinfo)) + abs.resolution = 0; - dev->abs[t] = abs.value; - dev->absmin[t] = abs.minimum; - dev->absmax[t] = abs.maximum; - dev->absfuzz[t] = abs.fuzz; - dev->absflat[t] = abs.flat; - dev->absres[t] = _IOC_SIZE(cmd) < sizeof(struct input_absinfo) ? - 0 : abs.resolution; + /* We can't change number of reserved MT slots */ + if (t == ABS_MT_SLOT) + return -EINVAL; - spin_unlock_irq(&dev->event_lock); + /* + * Take event lock to ensure that we are not + * changing device parameters in the middle + * of event. + */ + spin_lock_irq(&dev->event_lock); + dev->absinfo[t] = abs; + spin_unlock_irq(&dev->event_lock); - return 0; - } + return 0; } } + return -EINVAL; } diff --git a/drivers/input/input.c b/drivers/input/input.c index e1243b4..a9b025f 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -182,7 +182,7 @@ static int input_handle_abs_event(struct input_dev *dev, is_mt_event = code >= ABS_MT_FIRST && code <= ABS_MT_LAST; if (!is_mt_event) { - pold = &dev->abs[code]; + pold = &dev->absinfo[code].value; } else if (dev->mt) { struct input_mt_slot *mtslot = &dev->mt[dev->slot]; pold = &mtslot->abs[code - ABS_MT_FIRST]; @@ -196,7 +196,7 @@ static int input_handle_abs_event(struct input_dev *dev, if (pold) { *pval = input_defuzz_abs_event(*pval, *pold, - dev->absfuzz[code]); + dev->absinfo[code].fuzz); if (*pold == *pval) return INPUT_IGNORE_EVENT; @@ -204,8 +204,8 @@ static int input_handle_abs_event(struct input_dev *dev, } /* Flush pending "slot" event */ - if (is_mt_event && dev->slot != dev->abs[ABS_MT_SLOT]) { - dev->abs[ABS_MT_SLOT] = dev->slot; + if (is_mt_event && dev->slot != input_abs_get_val(dev, ABS_MT_SLOT)) { + input_abs_set_val(dev, ABS_MT_SLOT, dev->slot); input_pass_event(dev, EV_ABS, ABS_MT_SLOT, dev->slot); } @@ -391,6 +391,43 @@ void input_inject_event(struct input_handle *handle, EXPORT_SYMBOL(input_inject_event); /** + * input_alloc_absinfo - allocates array of input_absinfo structs + * @dev: the input device emitting absolute events + * + * If the absinfo struct the caller asked for is already allocated, this + * functions will not do anything. + */ +void input_alloc_absinfo(struct input_dev *dev) +{ + if (!dev->absinfo) + dev->absinfo = kcalloc(ABS_CNT, sizeof(struct input_absinfo), + GFP_KERNEL); + + WARN(!dev->absinfo, "%s(): kcalloc() failed?\n", __func__); +} +EXPORT_SYMBOL(input_alloc_absinfo); + +void input_set_abs_params(struct input_dev *dev, unsigned int axis, + int min, int max, int fuzz, int flat) +{ + struct input_absinfo *absinfo; + + input_alloc_absinfo(dev); + if (!dev->absinfo) + return; + + absinfo = &dev->absinfo[axis]; + absinfo->minimum = min; + absinfo->maximum = max; + absinfo->fuzz = fuzz; + absinfo->flat = flat; + + dev->absbit[BIT_WORD(axis)] |= BIT_MASK(axis); +} +EXPORT_SYMBOL(input_set_abs_params); + + +/** * input_grab_device - grabs device for exclusive use * @handle: input handle that wants to own the device * @@ -1308,6 +1345,7 @@ static void input_dev_release(struct device *device) input_ff_destroy(dev); input_mt_destroy_slots(dev); + kfree(dev->absinfo); kfree(dev); module_put(THIS_MODULE); diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c index 6383458..d85bd8a 100644 --- a/drivers/input/joydev.c +++ b/drivers/input/joydev.c @@ -530,7 +530,7 @@ static int joydev_ioctl_common(struct joydev *joydev, { struct input_dev *dev = joydev->handle.dev; size_t len; - int i, j; + int i; const char *name; /* Process fixed-sized commands. */ @@ -562,12 +562,11 @@ static int joydev_ioctl_common(struct joydev *joydev, case JSIOCSCORR: if (copy_from_user(joydev->corr, argp, sizeof(joydev->corr[0]) * joydev->nabs)) - return -EFAULT; + return -EFAULT; for (i = 0; i < joydev->nabs; i++) { - j = joydev->abspam[i]; - joydev->abs[i] = joydev_correct(dev->abs[j], - &joydev->corr[i]); + int val = input_abs_get_val(dev, joydev->abspam[i]); + joydev->abs[i] = joydev_correct(val, &joydev->corr[i]); } return 0; @@ -848,25 +847,27 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev, for (i = 0; i < joydev->nabs; i++) { j = joydev->abspam[i]; - if (dev->absmax[j] == dev->absmin[j]) { + if (input_abs_get_max(dev, j) == input_abs_get_min(dev, j)) { joydev->corr[i].type = JS_CORR_NONE; - joydev->abs[i] = dev->abs[j]; + joydev->abs[i] = input_abs_get_val(dev, j); continue; } joydev->corr[i].type = JS_CORR_BROKEN; - joydev->corr[i].prec = dev->absfuzz[j]; - joydev->corr[i].coef[0] = - (dev->absmax[j] + dev->absmin[j]) / 2 - dev->absflat[j]; - joydev->corr[i].coef[1] = - (dev->absmax[j] + dev->absmin[j]) / 2 + dev->absflat[j]; + joydev->corr[i].prec = input_abs_get_fuzz(dev, j); + + t = (input_abs_get_max(dev, j) + input_abs_get_min(dev, j)) / 2; + joydev->corr[i].coef[0] = t - input_abs_get_flat(dev, j); + joydev->corr[i].coef[1] = t + input_abs_get_flat(dev, j); - t = (dev->absmax[j] - dev->absmin[j]) / 2 - 2 * dev->absflat[j]; + t = (input_abs_get_max(dev, j) - input_abs_get_min(dev, j)) / 2 + - 2 * input_abs_get_flat(dev, j); if (t) { joydev->corr[i].coef[2] = (1 << 29) / t; joydev->corr[i].coef[3] = (1 << 29) / t; - joydev->abs[i] = joydev_correct(dev->abs[j], - joydev->corr + i); + joydev->abs[i] = + joydev_correct(input_abs_get_val(dev, j), + joydev->corr + i); } } diff --git a/drivers/input/joystick/a3d.c b/drivers/input/joystick/a3d.c index 6489f40..d259b41 100644 --- a/drivers/input/joystick/a3d.c +++ b/drivers/input/joystick/a3d.c @@ -342,7 +342,8 @@ static int a3d_connect(struct gameport *gameport, struct gameport_driver *drv) for (i = 0; i < 4; i++) { if (i < 2) - input_set_abs_params(input_dev, axes[i], 48, input_dev->abs[axes[i]] * 2 - 48, 0, 8); + input_set_abs_params(input_dev, axes[i], + 48, input_abs_get_val(input_dev, axes[i]) * 2 - 48, 0, 8); else input_set_abs_params(input_dev, axes[i], 2, 253, 0, 0); input_set_abs_params(input_dev, ABS_HAT0X + i, -1, 1, 0, 0); diff --git a/drivers/input/joystick/adi.c b/drivers/input/joystick/adi.c index 89c4c08..b992fbf 100644 --- a/drivers/input/joystick/adi.c +++ b/drivers/input/joystick/adi.c @@ -452,7 +452,7 @@ static void adi_init_center(struct adi *adi) for (i = 0; i < adi->axes10 + adi->axes8 + (adi->hats + (adi->pad != -1)) * 2; i++) { t = adi->abs[i]; - x = adi->dev->abs[t]; + x = input_abs_get_val(adi->dev, t); if (t == ABS_THROTTLE || t == ABS_RUDDER || adi->id == ADI_ID_WGPE) x = i < adi->axes10 ? 512 : 128; diff --git a/drivers/input/joystick/amijoy.c b/drivers/input/joystick/amijoy.c index 05022f0..e90694f 100644 --- a/drivers/input/joystick/amijoy.c +++ b/drivers/input/joystick/amijoy.c @@ -139,8 +139,8 @@ static int __init amijoy_init(void) amijoy_dev[i]->keybit[BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); for (j = 0; j < 2; j++) { - amijoy_dev[i]->absmin[ABS_X + j] = -1; - amijoy_dev[i]->absmax[ABS_X + j] = 1; + XXinput_set_abs_params(amijoy_dev[i], ABS_X + j, + -1, 1, 0, 0); } err = input_register_device(amijoy_dev[i]); diff --git a/drivers/input/joystick/gf2k.c b/drivers/input/joystick/gf2k.c index 45ac70e..0536b1b 100644 --- a/drivers/input/joystick/gf2k.c +++ b/drivers/input/joystick/gf2k.c @@ -318,11 +318,8 @@ static int gf2k_connect(struct gameport *gameport, struct gameport_driver *drv) for (i = 0; i < gf2k_axes[gf2k->id]; i++) set_bit(gf2k_abs[i], input_dev->absbit); - for (i = 0; i < gf2k_hats[gf2k->id]; i++) { - set_bit(ABS_HAT0X + i, input_dev->absbit); - input_dev->absmin[ABS_HAT0X + i] = -1; - input_dev->absmax[ABS_HAT0X + i] = 1; - } + for (i = 0; i < gf2k_hats[gf2k->id]; i++) + input_set_abs_params(input_dev, ABS_HAT0X + i, -1, 1, 0, 0); for (i = 0; i < gf2k_joys[gf2k->id]; i++) set_bit(gf2k_btn_joy[i], input_dev->keybit); @@ -334,11 +331,14 @@ static int gf2k_connect(struct gameport *gameport, struct gameport_driver *drv) gf2k_read(gf2k, data); for (i = 0; i < gf2k_axes[gf2k->id]; i++) { - input_dev->absmax[gf2k_abs[i]] = (i < 2) ? input_dev->abs[gf2k_abs[i]] * 2 - 32 : - input_dev->abs[gf2k_abs[0]] + input_dev->abs[gf2k_abs[1]] - 32; - input_dev->absmin[gf2k_abs[i]] = 32; - input_dev->absfuzz[gf2k_abs[i]] = 8; - input_dev->absflat[gf2k_abs[i]] = (i < 2) ? 24 : 0; + int max = i < 2 ? + input_abs_get_val(input_dev, gf2k_abs[i]) * 2 : + input_abs_get_val(input_dev, gf2k_abs[0]) + + input_abs_get_val(input_dev, gf2k_abs[1]); + int flat = i < 2 ? 24 : 0; + + input_set_abs_params(input_dev, gf2k_abs[i], + 32, max - 32, 8, flat); } err = input_register_device(gf2k->dev); diff --git a/drivers/input/joystick/interact.c b/drivers/input/joystick/interact.c index 2478289..16fb19d 100644 --- a/drivers/input/joystick/interact.c +++ b/drivers/input/joystick/interact.c @@ -270,18 +270,14 @@ static int interact_connect(struct gameport *gameport, struct gameport_driver *d input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); for (i = 0; (t = interact_type[interact->type].abs[i]) >= 0; i++) { - set_bit(t, input_dev->absbit); - if (i < interact_type[interact->type].b8) { - input_dev->absmin[t] = 0; - input_dev->absmax[t] = 255; - } else { - input_dev->absmin[t] = -1; - input_dev->absmax[t] = 1; - } + if (i < interact_type[interact->type].b8) + input_set_abs_params(input_dev, t, 0, 255, 0, 0); + else + input_set_abs_params(input_dev, t, -1, 1, 0, 0); } for (i = 0; (t = interact_type[interact->type].btn[i]) >= 0; i++) - set_bit(t, input_dev->keybit); + __set_bit(t, input_dev->keybit); err = input_register_device(interact->dev); if (err) diff --git a/drivers/input/joystick/sidewinder.c b/drivers/input/joystick/sidewinder.c index ca13a6b..b8d8611 100644 --- a/drivers/input/joystick/sidewinder.c +++ b/drivers/input/joystick/sidewinder.c @@ -761,17 +761,21 @@ static int sw_connect(struct gameport *gameport, struct gameport_driver *drv) input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); for (j = 0; (bits = sw_bit[sw->type][j]); j++) { + int min, max, fuzz, flat; + code = sw_abs[sw->type][j]; - set_bit(code, input_dev->absbit); - input_dev->absmax[code] = (1 << bits) - 1; - input_dev->absmin[code] = (bits == 1) ? -1 : 0; - input_dev->absfuzz[code] = ((bits >> 1) >= 2) ? (1 << ((bits >> 1) - 2)) : 0; - if (code != ABS_THROTTLE) - input_dev->absflat[code] = (bits >= 5) ? (1 << (bits - 5)) : 0; + min = bits == 1 ? -1 : 0; + max = (1 << bits) - 1; + fuzz = (bits >> 1) >= 2 ? 1 << ((bits >> 1) - 2) : 0; + flat = code == ABS_THROTTLE || bits < 5 ? + 0 : 1 << (bits - 5); + + input_set_abs_params(input_dev, code, + min, max, fuzz, flat); } for (j = 0; (code = sw_btn[sw->type][j]); j++) - set_bit(code, input_dev->keybit); + __set_bit(code, input_dev->keybit); dbg("%s%s [%d-bit id %d data %d]\n", sw->name, comment, m, l, k); diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index 269a846..f9fb7fa 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -148,6 +148,7 @@ static const struct xpad_device { { 0x0e6f, 0x0005, "Eclipse wireless Controller", 0, XTYPE_XBOX }, { 0x0e6f, 0x0006, "Edge wireless Controller", 0, XTYPE_XBOX }, { 0x0e6f, 0x0006, "Pelican 'TSZ' Wired Xbox 360 Controller", 0, XTYPE_XBOX360 }, + { 0x0e6f, 0x0201, "Pelican PL-3601 'TSZ' Wired Xbox 360 Controller", 0, XTYPE_XBOX360 }, { 0x0e8f, 0x0201, "SmartJoy Frag Xpad/PS2 adaptor", 0, XTYPE_XBOX }, { 0x0f30, 0x0202, "Joytech Advanced Controller", 0, XTYPE_XBOX }, { 0x0f30, 0x8888, "BigBen XBMiniPad Controller", 0, XTYPE_XBOX }, diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index a9fd147..6069abe 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c @@ -39,6 +39,8 @@ struct gpio_keys_drvdata { struct input_dev *input; struct mutex disable_lock; unsigned int n_buttons; + int (*enable)(struct device *dev); + void (*disable)(struct device *dev); struct gpio_button_data data[0]; }; @@ -423,6 +425,21 @@ fail2: return error; } +static int gpio_keys_open(struct input_dev *input) +{ + struct gpio_keys_drvdata *ddata = input_get_drvdata(input); + + return ddata->enable ? ddata->enable(input->dev.parent) : 0; +} + +static void gpio_keys_close(struct input_dev *input) +{ + struct gpio_keys_drvdata *ddata = input_get_drvdata(input); + + if (ddata->disable) + ddata->disable(input->dev.parent); +} + static int __devinit gpio_keys_probe(struct platform_device *pdev) { struct gpio_keys_platform_data *pdata = pdev->dev.platform_data; @@ -444,13 +461,18 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev) ddata->input = input; ddata->n_buttons = pdata->nbuttons; + ddata->enable = pdata->enable; + ddata->disable = pdata->disable; mutex_init(&ddata->disable_lock); platform_set_drvdata(pdev, ddata); + input_set_drvdata(input, ddata); input->name = pdev->name; input->phys = "gpio-keys/input0"; input->dev.parent = &pdev->dev; + input->open = gpio_keys_open; + input->close = gpio_keys_close; input->id.bustype = BUS_HOST; input->id.vendor = 0x0001; diff --git a/drivers/input/keyboard/hil_kbd.c b/drivers/input/keyboard/hil_kbd.c index c83f4b2..ddd5afd 100644 --- a/drivers/input/keyboard/hil_kbd.c +++ b/drivers/input/keyboard/hil_kbd.c @@ -232,15 +232,16 @@ static void hil_dev_handle_ptr_events(struct hil_dev *ptr) if (absdev) { val = lo + (hi << 8); #ifdef TABLET_AUTOADJUST - if (val < dev->absmin[ABS_X + i]) - dev->absmin[ABS_X + i] = val; - if (val > dev->absmax[ABS_X + i]) - dev->absmax[ABS_X + i] = val; + if (val < input_abs_min(dev, ABS_X + i)) + input_abs_set_min(dev, ABS_X + i, val); + if (val > input_abs_max(dev, ABS_X + i)) + XXinput_abs_set_max(dev, ABS_X + i, val); #endif - if (i%3) val = dev->absmax[ABS_X + i] - val; + if (i % 3) + val = input_abs_max(dev, ABS_X + i) - val; input_report_abs(dev, ABS_X + i, val); } else { - val = (int) (((int8_t)lo) | ((int8_t)hi << 8)); + val = (int) (((int8_t) lo) | ((int8_t) hi << 8)); if (i % 3) val *= -1; input_report_rel(dev, REL_X + i, val); @@ -387,9 +388,11 @@ static void hil_dev_pointer_setup(struct hil_dev *ptr) #ifdef TABLET_AUTOADJUST for (i = 0; i < ABS_MAX; i++) { - int diff = input_dev->absmax[ABS_X + i] / 10; - input_dev->absmin[ABS_X + i] += diff; - input_dev->absmax[ABS_X + i] -= diff; + int diff = input_abs_max(input_dev, ABS_X + i) / 10; + input_abs_set_min(input_dev, ABS_X + i, + input_abs_min(input_dev, ABS_X + i) + diff) + XXinput_abs_set_max(input_dev, ABS_X + i, + input_abs_max(input_dev, ABS_X + i) - diff) } #endif diff --git a/drivers/input/misc/adxl34x.c b/drivers/input/misc/adxl34x.c index e2ca017..de5900d 100644 --- a/drivers/input/misc/adxl34x.c +++ b/drivers/input/misc/adxl34x.c @@ -724,7 +724,6 @@ struct adxl34x *adxl34x_probe(struct device *dev, int irq, pdata = &ac->pdata; ac->input = input_dev; - ac->disabled = true; ac->dev = dev; ac->irq = irq; ac->bops = bops; diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c index b71eb55..bb53fd33 100644 --- a/drivers/input/misc/uinput.c +++ b/drivers/input/misc/uinput.c @@ -304,21 +304,25 @@ static int uinput_validate_absbits(struct input_dev *dev) if (!test_bit(cnt, dev->absbit)) continue; - if ((dev->absmax[cnt] <= dev->absmin[cnt])) { + if (input_abs_get_max(dev, cnt) <= input_abs_get_min(dev, cnt)) { printk(KERN_DEBUG "%s: invalid abs[%02x] min:%d max:%d\n", UINPUT_NAME, cnt, - dev->absmin[cnt], dev->absmax[cnt]); + input_abs_get_min(dev, cnt), + input_abs_get_max(dev, cnt)); retval = -EINVAL; break; } - if (dev->absflat[cnt] > (dev->absmax[cnt] - dev->absmin[cnt])) { + if (input_abs_get_flat(dev, cnt) > + input_abs_get_max(dev, cnt) - input_abs_get_min(dev, cnt)) { printk(KERN_DEBUG - "%s: absflat[%02x] out of range: %d " + "%s: abs_flat #%02x out of range: %d " "(min:%d/max:%d)\n", - UINPUT_NAME, cnt, dev->absflat[cnt], - dev->absmin[cnt], dev->absmax[cnt]); + UINPUT_NAME, cnt, + input_abs_get_flat(dev, cnt), + input_abs_get_min(dev, cnt), + input_abs_get_max(dev, cnt)); retval = -EINVAL; break; } @@ -343,7 +347,7 @@ static int uinput_setup_device(struct uinput_device *udev, const char __user *bu struct uinput_user_dev *user_dev; struct input_dev *dev; char *name; - int size; + int i, size; int retval; if (count != sizeof(struct uinput_user_dev)) @@ -387,11 +391,12 @@ static int uinput_setup_device(struct uinput_device *udev, const char __user *bu dev->id.product = user_dev->id.product; dev->id.version = user_dev->id.version; - size = sizeof(int) * ABS_CNT; - memcpy(dev->absmax, user_dev->absmax, size); - memcpy(dev->absmin, user_dev->absmin, size); - memcpy(dev->absfuzz, user_dev->absfuzz, size); - memcpy(dev->absflat, user_dev->absflat, size); + for (i = 0; i < ABS_CNT; i++) { + input_abs_set_max(dev, i, user_dev->absmax[i]); + input_abs_set_min(dev, i, user_dev->absmin[i]); + input_abs_set_fuzz(dev, i, user_dev->absfuzz[i]); + input_abs_set_flat(dev, i, user_dev->absflat[i]); + } /* check if absmin/absmax/absfuzz/absflat are filled as * told in Documentation/input/input-programming.txt */ diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index b18862b..4831120 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -185,7 +185,6 @@ static void elantech_report_absolute_v1(struct psmouse *psmouse) struct elantech_data *etd = psmouse->private; unsigned char *packet = psmouse->packet; int fingers; - static int old_fingers; if (etd->fw_version < 0x020000) { /* @@ -203,10 +202,13 @@ static void elantech_report_absolute_v1(struct psmouse *psmouse) } if (etd->jumpy_cursor) { - /* Discard packets that are likely to have bogus coordinates */ - if (fingers > old_fingers) { + if (fingers != 1) { + etd->single_finger_reports = 0; + } else if (etd->single_finger_reports < 2) { + /* Discard first 2 reports of one finger, bogus */ + etd->single_finger_reports++; elantech_debug("discarding packet\n"); - goto discard_packet_v1; + return; } } @@ -238,9 +240,6 @@ static void elantech_report_absolute_v1(struct psmouse *psmouse) } input_sync(dev); - - discard_packet_v1: - old_fingers = fingers; } /* @@ -258,6 +257,14 @@ static void elantech_report_absolute_v2(struct psmouse *psmouse) input_report_key(dev, BTN_TOUCH, fingers != 0); switch (fingers) { + case 3: + /* + * Same as one finger, except report of more than 3 fingers: + * byte 3: n4 . w1 w0 . . . . + */ + if (packet[3] & 0x80) + fingers = 4; + /* pass through... */ case 1: /* * byte 1: . . . . . x10 x9 x8 @@ -310,6 +317,7 @@ static void elantech_report_absolute_v2(struct psmouse *psmouse) input_report_key(dev, BTN_TOOL_FINGER, fingers == 1); input_report_key(dev, BTN_TOOL_DOUBLETAP, fingers == 2); input_report_key(dev, BTN_TOOL_TRIPLETAP, fingers == 3); + input_report_key(dev, BTN_TOOL_QUADTAP, fingers == 4); input_report_key(dev, BTN_LEFT, packet[0] & 0x01); input_report_key(dev, BTN_RIGHT, packet[0] & 0x02); @@ -467,6 +475,7 @@ static void elantech_set_input_params(struct psmouse *psmouse) break; case 2: + __set_bit(BTN_TOOL_QUADTAP, dev->keybit); input_set_abs_params(dev, ABS_X, ETP_XMIN_V2, ETP_XMAX_V2, 0, 0); input_set_abs_params(dev, ABS_Y, ETP_YMIN_V2, ETP_YMAX_V2, 0, 0); input_set_abs_params(dev, ABS_HAT0X, ETP_2FT_XMIN, ETP_2FT_XMAX, 0, 0); @@ -733,13 +742,13 @@ int elantech_init(struct psmouse *psmouse) etd->capabilities = param[0]; /* - * This firmware seems to suffer from misreporting coordinates when + * This firmware suffers from misreporting coordinates when * a touch action starts causing the mouse cursor or scrolled page * to jump. Enable a workaround. */ - if (etd->fw_version == 0x020022) { - pr_info("firmware version 2.0.34 detected, enabling jumpy cursor workaround\n"); - etd->jumpy_cursor = 1; + if (etd->fw_version == 0x020022 || etd->fw_version == 0x020600) { + pr_info("firmware version 2.0.34/2.6.0 detected, enabling jumpy cursor workaround\n"); + etd->jumpy_cursor = true; } if (elantech_set_absolute_mode(psmouse)) { diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h index ac57bde..aa4aac5 100644 --- a/drivers/input/mouse/elantech.h +++ b/drivers/input/mouse/elantech.h @@ -100,10 +100,11 @@ struct elantech_data { unsigned char reg_26; unsigned char debug; unsigned char capabilities; - unsigned char paritycheck; - unsigned char jumpy_cursor; + bool paritycheck; + bool jumpy_cursor; unsigned char hw_version; - unsigned int fw_version; + unsigned int fw_version; + unsigned int single_finger_reports; unsigned char parity[256]; }; diff --git a/drivers/input/mouse/pc110pad.c b/drivers/input/mouse/pc110pad.c index 3941f97..7b02b65 100644 --- a/drivers/input/mouse/pc110pad.c +++ b/drivers/input/mouse/pc110pad.c @@ -145,8 +145,8 @@ static int __init pc110pad_init(void) pc110pad_dev->absbit[0] = BIT_MASK(ABS_X) | BIT_MASK(ABS_Y); pc110pad_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); - pc110pad_dev->absmax[ABS_X] = 0x1ff; - pc110pad_dev->absmax[ABS_Y] = 0x0ff; + input_abs_set_max(pc110pad_dev, ABS_X, 0x1ff); + input_abs_set_max(pc110pad_dev, ABS_Y, 0x0ff); pc110pad_dev->open = pc110pad_open; pc110pad_dev->close = pc110pad_close; diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 8c32440..96b70a4 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -635,8 +635,8 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv) __clear_bit(REL_X, dev->relbit); __clear_bit(REL_Y, dev->relbit); - dev->absres[ABS_X] = priv->x_res; - dev->absres[ABS_Y] = priv->y_res; + input_abs_set_res(dev, ABS_X, priv->x_res); + input_abs_set_res(dev, ABS_Y, priv->y_res); if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) { /* Clickpads report only left button */ diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c index d8f68f7..83c24cc 100644 --- a/drivers/input/mousedev.c +++ b/drivers/input/mousedev.c @@ -22,6 +22,7 @@ #include <linux/random.h> #include <linux/major.h> #include <linux/device.h> +#include <linux/kernel.h> #ifdef CONFIG_INPUT_MOUSEDEV_PSAUX #include <linux/miscdevice.h> #endif @@ -134,11 +135,14 @@ static void mousedev_touchpad_event(struct input_dev *dev, switch (code) { case ABS_X: + fx(0) = value; if (mousedev->touch && mousedev->pkt_count >= 2) { - size = dev->absmax[ABS_X] - dev->absmin[ABS_X]; + size = input_abs_get_min(dev, ABS_X) - + input_abs_get_max(dev, ABS_X); if (size == 0) size = 256 * 2; + tmp = ((value - fx(2)) * 256 * FRACTION_DENOM) / size; tmp += mousedev->frac_dx; mousedev->packet.dx = tmp / FRACTION_DENOM; @@ -150,10 +154,12 @@ static void mousedev_touchpad_event(struct input_dev *dev, case ABS_Y: fy(0) = value; if (mousedev->touch && mousedev->pkt_count >= 2) { - /* use X size to keep the same scale */ - size = dev->absmax[ABS_X] - dev->absmin[ABS_X]; + /* use X size for ABS_Y to keep the same scale */ + size = input_abs_get_min(dev, ABS_X) - + input_abs_get_max(dev, ABS_X); if (size == 0) size = 256 * 2; + tmp = -((value - fy(2)) * 256 * FRACTION_DENOM) / size; tmp += mousedev->frac_dy; mousedev->packet.dy = tmp / FRACTION_DENOM; @@ -167,33 +173,35 @@ static void mousedev_touchpad_event(struct input_dev *dev, static void mousedev_abs_event(struct input_dev *dev, struct mousedev *mousedev, unsigned int code, int value) { - int size; + int min, max, size; switch (code) { case ABS_X: - size = dev->absmax[ABS_X] - dev->absmin[ABS_X]; + min = input_abs_get_min(dev, ABS_X); + max = input_abs_get_max(dev, ABS_X); + + size = max - min; if (size == 0) size = xres ? : 1; - if (value > dev->absmax[ABS_X]) - value = dev->absmax[ABS_X]; - if (value < dev->absmin[ABS_X]) - value = dev->absmin[ABS_X]; - mousedev->packet.x = - ((value - dev->absmin[ABS_X]) * xres) / size; + + clamp(value, min, max); + + mousedev->packet.x = ((value - min) * xres) / size; mousedev->packet.abs_event = 1; break; case ABS_Y: - size = dev->absmax[ABS_Y] - dev->absmin[ABS_Y]; + min = input_abs_get_min(dev, ABS_Y); + max = input_abs_get_max(dev, ABS_Y); + + size = max - min; if (size == 0) size = yres ? : 1; - if (value > dev->absmax[ABS_Y]) - value = dev->absmax[ABS_Y]; - if (value < dev->absmin[ABS_Y]) - value = dev->absmin[ABS_Y]; - mousedev->packet.y = yres - - ((value - dev->absmin[ABS_Y]) * yres) / size; + + clamp(value, min, max); + + mousedev->packet.y = yres - ((value - min) * yres) / size; mousedev->packet.abs_event = 1; break; } diff --git a/drivers/input/tablet/aiptek.c b/drivers/input/tablet/aiptek.c index 51b80b0..57b25b8 100644 --- a/drivers/input/tablet/aiptek.c +++ b/drivers/input/tablet/aiptek.c @@ -987,20 +987,17 @@ static int aiptek_program_tablet(struct aiptek *aiptek) /* Query getXextension */ if ((ret = aiptek_query(aiptek, 0x01, 0x00)) < 0) return ret; - aiptek->inputdev->absmin[ABS_X] = 0; - aiptek->inputdev->absmax[ABS_X] = ret - 1; + input_set_abs_params(aiptek->inputdev, ABS_X, 0, ret - 1, 0, 0); /* Query getYextension */ if ((ret = aiptek_query(aiptek, 0x01, 0x01)) < 0) return ret; - aiptek->inputdev->absmin[ABS_Y] = 0; - aiptek->inputdev->absmax[ABS_Y] = ret - 1; + input_set_abs_params(aiptek->inputdev, ABS_Y, 0, ret - 1, 0, 0); /* Query getPressureLevels */ if ((ret = aiptek_query(aiptek, 0x08, 0x00)) < 0) return ret; - aiptek->inputdev->absmin[ABS_PRESSURE] = 0; - aiptek->inputdev->absmax[ABS_PRESSURE] = ret - 1; + input_set_abs_params(aiptek->inputdev, ABS_PRESSURE, 0, ret - 1, 0, 0); /* Depending on whether we are in absolute or relative mode, we will * do a switchToTablet(absolute) or switchToMouse(relative) command. @@ -1054,8 +1051,8 @@ static ssize_t show_tabletSize(struct device *dev, struct device_attribute *attr struct aiptek *aiptek = dev_get_drvdata(dev); return snprintf(buf, PAGE_SIZE, "%dx%d\n", - aiptek->inputdev->absmax[ABS_X] + 1, - aiptek->inputdev->absmax[ABS_Y] + 1); + input_abs_get_max(aiptek->inputdev, ABS_X) + 1, + input_abs_get_max(aiptek->inputdev, ABS_Y) + 1); } /* These structs define the sysfs files, param #1 is the name of the @@ -1843,7 +1840,7 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id) for (i = 0; i < ARRAY_SIZE(speeds); ++i) { aiptek->curSetting.programmableDelay = speeds[i]; (void)aiptek_program_tablet(aiptek); - if (aiptek->inputdev->absmax[ABS_X] > 0) { + if (input_abs_get_max(aiptek->inputdev, ABS_X) > 0) { dev_info(&intf->dev, "Aiptek using %d ms programming speed\n", aiptek->curSetting.programmableDelay); diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c index ce0b460..40d77ba 100644 --- a/drivers/input/tablet/wacom_wac.c +++ b/drivers/input/tablet/wacom_wac.c @@ -687,10 +687,10 @@ static void wacom_tpc_finger_in(struct wacom_wac *wacom, char *data, int idx) * protocol. */ if (wacom->last_finger != finger) { - if (x == input->abs[ABS_X]) + if (x == input_abs_get_val(input, ABS_X)) x++; - if (y == input->abs[ABS_Y]) + if (y == input_abs_get_val(input, ABS_Y)) y++; } diff --git a/drivers/input/touchscreen/cy8ctmg110_ts.c b/drivers/input/touchscreen/cy8ctmg110_ts.c index 4eb7df0..5ec0946 100644 --- a/drivers/input/touchscreen/cy8ctmg110_ts.c +++ b/drivers/input/touchscreen/cy8ctmg110_ts.c @@ -75,7 +75,7 @@ static int cy8ctmg110_write_regs(struct cy8ctmg110 *tsc, unsigned char reg, unsigned char len, unsigned char *value) { struct i2c_client *client = tsc->client; - unsigned int ret; + int ret; unsigned char i2c_data[6]; BUG_ON(len > 5); @@ -86,7 +86,7 @@ static int cy8ctmg110_write_regs(struct cy8ctmg110 *tsc, unsigned char reg, ret = i2c_master_send(client, i2c_data, len + 1); if (ret != 1) { dev_err(&client->dev, "i2c write data cmd failed\n"); - return ret; + return ret ? ret : -EIO; } return 0; @@ -96,7 +96,7 @@ static int cy8ctmg110_read_regs(struct cy8ctmg110 *tsc, unsigned char *data, unsigned char len, unsigned char cmd) { struct i2c_client *client = tsc->client; - unsigned int ret; + int ret; struct i2c_msg msg[2] = { /* first write slave position to i2c devices */ { client->addr, 0, 1, &cmd }, diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig index 4a6feac..bf1a95e 100644 --- a/drivers/md/Kconfig +++ b/drivers/md/Kconfig @@ -121,7 +121,7 @@ config MD_RAID10 config MD_RAID456 tristate "RAID-4/RAID-5/RAID-6 mode" depends on BLK_DEV_MD - select MD_RAID6_PQ + select RAID6_PQ select ASYNC_MEMCPY select ASYNC_XOR select ASYNC_PQ @@ -165,22 +165,6 @@ config MULTICORE_RAID456 If unsure, say N. -config MD_RAID6_PQ - tristate - -config ASYNC_RAID6_TEST - tristate "Self test for hardware accelerated raid6 recovery" - depends on MD_RAID6_PQ - select ASYNC_RAID6_RECOV - ---help--- - This is a one-shot self test that permutes through the - recovery of all the possible two disk failure scenarios for a - N-disk array. Recovery is performed with the asynchronous - raid6 recovery routines, and will optionally use an offload - engine if one is available. - - If unsure, say N. - config MD_MULTIPATH tristate "Multipath I/O support" depends on BLK_DEV_MD diff --git a/drivers/md/Makefile b/drivers/md/Makefile index e355e7f..5e3aac4 100644 --- a/drivers/md/Makefile +++ b/drivers/md/Makefile @@ -12,13 +12,6 @@ dm-log-userspace-y \ += dm-log-userspace-base.o dm-log-userspace-transfer.o md-mod-y += md.o bitmap.o raid456-y += raid5.o -raid6_pq-y += raid6algos.o raid6recov.o raid6tables.o \ - raid6int1.o raid6int2.o raid6int4.o \ - raid6int8.o raid6int16.o raid6int32.o \ - raid6altivec1.o raid6altivec2.o raid6altivec4.o \ - raid6altivec8.o \ - raid6mmx.o raid6sse1.o raid6sse2.o -hostprogs-y += mktables # Note: link order is important. All raid personalities # and must come before md.o, as they each initialise @@ -29,7 +22,6 @@ obj-$(CONFIG_MD_LINEAR) += linear.o obj-$(CONFIG_MD_RAID0) += raid0.o obj-$(CONFIG_MD_RAID1) += raid1.o obj-$(CONFIG_MD_RAID10) += raid10.o -obj-$(CONFIG_MD_RAID6_PQ) += raid6_pq.o obj-$(CONFIG_MD_RAID456) += raid456.o obj-$(CONFIG_MD_MULTIPATH) += multipath.o obj-$(CONFIG_MD_FAULTY) += faulty.o @@ -45,75 +37,6 @@ obj-$(CONFIG_DM_MIRROR) += dm-mirror.o dm-log.o dm-region-hash.o obj-$(CONFIG_DM_LOG_USERSPACE) += dm-log-userspace.o obj-$(CONFIG_DM_ZERO) += dm-zero.o -quiet_cmd_unroll = UNROLL $@ - cmd_unroll = $(AWK) -f$(srctree)/$(src)/unroll.awk -vN=$(UNROLL) \ - < $< > $@ || ( rm -f $@ && exit 1 ) - -ifeq ($(CONFIG_ALTIVEC),y) -altivec_flags := -maltivec -mabi=altivec -endif - ifeq ($(CONFIG_DM_UEVENT),y) dm-mod-objs += dm-uevent.o endif - -targets += raid6int1.c -$(obj)/raid6int1.c: UNROLL := 1 -$(obj)/raid6int1.c: $(src)/raid6int.uc $(src)/unroll.awk FORCE - $(call if_changed,unroll) - -targets += raid6int2.c -$(obj)/raid6int2.c: UNROLL := 2 -$(obj)/raid6int2.c: $(src)/raid6int.uc $(src)/unroll.awk FORCE - $(call if_changed,unroll) - -targets += raid6int4.c -$(obj)/raid6int4.c: UNROLL := 4 -$(obj)/raid6int4.c: $(src)/raid6int.uc $(src)/unroll.awk FORCE - $(call if_changed,unroll) - -targets += raid6int8.c -$(obj)/raid6int8.c: UNROLL := 8 -$(obj)/raid6int8.c: $(src)/raid6int.uc $(src)/unroll.awk FORCE - $(call if_changed,unroll) - -targets += raid6int16.c -$(obj)/raid6int16.c: UNROLL := 16 -$(obj)/raid6int16.c: $(src)/raid6int.uc $(src)/unroll.awk FORCE - $(call if_changed,unroll) - -targets += raid6int32.c -$(obj)/raid6int32.c: UNROLL := 32 -$(obj)/raid6int32.c: $(src)/raid6int.uc $(src)/unroll.awk FORCE - $(call if_changed,unroll) - -CFLAGS_raid6altivec1.o += $(altivec_flags) -targets += raid6altivec1.c -$(obj)/raid6altivec1.c: UNROLL := 1 -$(obj)/raid6altivec1.c: $(src)/raid6altivec.uc $(src)/unroll.awk FORCE - $(call if_changed,unroll) - -CFLAGS_raid6altivec2.o += $(altivec_flags) -targets += raid6altivec2.c -$(obj)/raid6altivec2.c: UNROLL := 2 -$(obj)/raid6altivec2.c: $(src)/raid6altivec.uc $(src)/unroll.awk FORCE - $(call if_changed,unroll) - -CFLAGS_raid6altivec4.o += $(altivec_flags) -targets += raid6altivec4.c -$(obj)/raid6altivec4.c: UNROLL := 4 -$(obj)/raid6altivec4.c: $(src)/raid6altivec.uc $(src)/unroll.awk FORCE - $(call if_changed,unroll) - -CFLAGS_raid6altivec8.o += $(altivec_flags) -targets += raid6altivec8.c -$(obj)/raid6altivec8.c: UNROLL := 8 -$(obj)/raid6altivec8.c: $(src)/raid6altivec.uc $(src)/unroll.awk FORCE - $(call if_changed,unroll) - -quiet_cmd_mktable = TABLE $@ - cmd_mktable = $(obj)/mktables > $@ || ( rm -f $@ && exit 1 ) - -targets += raid6tables.c -$(obj)/raid6tables.c: $(obj)/mktables FORCE - $(call if_changed,mktable) diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index 1742435..1ba1e12 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -13,7 +13,6 @@ * Still to do: * * flush after percent set rather than just time based. (maybe both). - * wait if count gets too high, wake when it drops to half. */ #include <linux/blkdev.h> @@ -30,6 +29,7 @@ #include "md.h" #include "bitmap.h" +#include <linux/dm-dirty-log.h> /* debug macros */ #define DEBUG 0 @@ -51,9 +51,6 @@ #define INJECT_FATAL_FAULT_3 0 /* undef */ #endif -//#define DPRINTK PRINTK /* set this NULL to avoid verbose debug output */ -#define DPRINTK(x...) do { } while(0) - #ifndef PRINTK # if DEBUG > 0 # define PRINTK(x...) printk(KERN_DEBUG x) @@ -62,12 +59,11 @@ # endif #endif -static inline char * bmname(struct bitmap *bitmap) +static inline char *bmname(struct bitmap *bitmap) { return bitmap->mddev ? mdname(bitmap->mddev) : "mdX"; } - /* * just a placeholder - calls kmalloc for bitmap pages */ @@ -78,7 +74,7 @@ static unsigned char *bitmap_alloc_page(struct bitmap *bitmap) #ifdef INJECT_FAULTS_1 page = NULL; #else - page = kmalloc(PAGE_SIZE, GFP_NOIO); + page = kzalloc(PAGE_SIZE, GFP_NOIO); #endif if (!page) printk("%s: bitmap_alloc_page FAILED\n", bmname(bitmap)); @@ -107,7 +103,8 @@ static void bitmap_free_page(struct bitmap *bitmap, unsigned char *page) * if we find our page, we increment the page's refcount so that it stays * allocated while we're using it */ -static int bitmap_checkpage(struct bitmap *bitmap, unsigned long page, int create) +static int bitmap_checkpage(struct bitmap *bitmap, + unsigned long page, int create) __releases(bitmap->lock) __acquires(bitmap->lock) { @@ -121,7 +118,6 @@ __acquires(bitmap->lock) return -EINVAL; } - if (bitmap->bp[page].hijacked) /* it's hijacked, don't try to alloc */ return 0; @@ -131,43 +127,34 @@ __acquires(bitmap->lock) if (!create) return -ENOENT; - spin_unlock_irq(&bitmap->lock); - /* this page has not been allocated yet */ - if ((mappage = bitmap_alloc_page(bitmap)) == NULL) { + spin_unlock_irq(&bitmap->lock); + mappage = bitmap_alloc_page(bitmap); + spin_lock_irq(&bitmap->lock); + + if (mappage == NULL) { PRINTK("%s: bitmap map page allocation failed, hijacking\n", bmname(bitmap)); /* failed - set the hijacked flag so that we can use the * pointer as a counter */ - spin_lock_irq(&bitmap->lock); if (!bitmap->bp[page].map) bitmap->bp[page].hijacked = 1; - goto out; - } - - /* got a page */ - - spin_lock_irq(&bitmap->lock); - - /* recheck the page */ - - if (bitmap->bp[page].map || bitmap->bp[page].hijacked) { + } else if (bitmap->bp[page].map || + bitmap->bp[page].hijacked) { /* somebody beat us to getting the page */ bitmap_free_page(bitmap, mappage); return 0; - } + } else { - /* no page was in place and we have one, so install it */ + /* no page was in place and we have one, so install it */ - memset(mappage, 0, PAGE_SIZE); - bitmap->bp[page].map = mappage; - bitmap->missing_pages--; -out: + bitmap->bp[page].map = mappage; + bitmap->missing_pages--; + } return 0; } - /* if page is completely empty, put it back on the free list, or dealloc it */ /* if page was hijacked, unmark the flag so it might get alloced next time */ /* Note: lock should be held when calling this */ @@ -183,26 +170,15 @@ static void bitmap_checkfree(struct bitmap *bitmap, unsigned long page) if (bitmap->bp[page].hijacked) { /* page was hijacked, undo this now */ bitmap->bp[page].hijacked = 0; bitmap->bp[page].map = NULL; - return; + } else { + /* normal case, free the page */ + ptr = bitmap->bp[page].map; + bitmap->bp[page].map = NULL; + bitmap->missing_pages++; + bitmap_free_page(bitmap, ptr); } - - /* normal case, free the page */ - -#if 0 -/* actually ... let's not. We will probably need the page again exactly when - * memory is tight and we are flusing to disk - */ - return; -#else - ptr = bitmap->bp[page].map; - bitmap->bp[page].map = NULL; - bitmap->missing_pages++; - bitmap_free_page(bitmap, ptr); - return; -#endif } - /* * bitmap file handling - read and write the bitmap file and its superblock */ @@ -220,11 +196,14 @@ static struct page *read_sb_page(mddev_t *mddev, loff_t offset, mdk_rdev_t *rdev; sector_t target; + int did_alloc = 0; - if (!page) + if (!page) { page = alloc_page(GFP_KERNEL); - if (!page) - return ERR_PTR(-ENOMEM); + if (!page) + return ERR_PTR(-ENOMEM); + did_alloc = 1; + } list_for_each_entry(rdev, &mddev->disks, same_set) { if (! test_bit(In_sync, &rdev->flags) @@ -242,6 +221,8 @@ static struct page *read_sb_page(mddev_t *mddev, loff_t offset, return page; } } + if (did_alloc) + put_page(page); return ERR_PTR(-EIO); } @@ -286,49 +267,51 @@ static int write_sb_page(struct bitmap *bitmap, struct page *page, int wait) mddev_t *mddev = bitmap->mddev; while ((rdev = next_active_rdev(rdev, mddev)) != NULL) { - int size = PAGE_SIZE; - loff_t offset = mddev->bitmap_info.offset; - if (page->index == bitmap->file_pages-1) - size = roundup(bitmap->last_page_size, - bdev_logical_block_size(rdev->bdev)); - /* Just make sure we aren't corrupting data or - * metadata - */ - if (mddev->external) { - /* Bitmap could be anywhere. */ - if (rdev->sb_start + offset + (page->index *(PAGE_SIZE/512)) > - rdev->data_offset && - rdev->sb_start + offset < - rdev->data_offset + mddev->dev_sectors + - (PAGE_SIZE/512)) - goto bad_alignment; - } else if (offset < 0) { - /* DATA BITMAP METADATA */ - if (offset - + (long)(page->index * (PAGE_SIZE/512)) - + size/512 > 0) - /* bitmap runs in to metadata */ - goto bad_alignment; - if (rdev->data_offset + mddev->dev_sectors - > rdev->sb_start + offset) - /* data runs in to bitmap */ - goto bad_alignment; - } else if (rdev->sb_start < rdev->data_offset) { - /* METADATA BITMAP DATA */ - if (rdev->sb_start - + offset - + page->index*(PAGE_SIZE/512) + size/512 - > rdev->data_offset) - /* bitmap runs in to data */ - goto bad_alignment; - } else { - /* DATA METADATA BITMAP - no problems */ - } - md_super_write(mddev, rdev, - rdev->sb_start + offset - + page->index * (PAGE_SIZE/512), - size, - page); + int size = PAGE_SIZE; + loff_t offset = mddev->bitmap_info.offset; + if (page->index == bitmap->file_pages-1) + size = roundup(bitmap->last_page_size, + bdev_logical_block_size(rdev->bdev)); + /* Just make sure we aren't corrupting data or + * metadata + */ + if (mddev->external) { + /* Bitmap could be anywhere. */ + if (rdev->sb_start + offset + (page->index + * (PAGE_SIZE/512)) + > rdev->data_offset + && + rdev->sb_start + offset + < (rdev->data_offset + mddev->dev_sectors + + (PAGE_SIZE/512))) + goto bad_alignment; + } else if (offset < 0) { + /* DATA BITMAP METADATA */ + if (offset + + (long)(page->index * (PAGE_SIZE/512)) + + size/512 > 0) + /* bitmap runs in to metadata */ + goto bad_alignment; + if (rdev->data_offset + mddev->dev_sectors + > rdev->sb_start + offset) + /* data runs in to bitmap */ + goto bad_alignment; + } else if (rdev->sb_start < rdev->data_offset) { + /* METADATA BITMAP DATA */ + if (rdev->sb_start + + offset + + page->index*(PAGE_SIZE/512) + size/512 + > rdev->data_offset) + /* bitmap runs in to data */ + goto bad_alignment; + } else { + /* DATA METADATA BITMAP - no problems */ + } + md_super_write(mddev, rdev, + rdev->sb_start + offset + + page->index * (PAGE_SIZE/512), + size, + page); } if (wait) @@ -364,10 +347,9 @@ static void write_page(struct bitmap *bitmap, struct page *page, int wait) bh = bh->b_this_page; } - if (wait) { + if (wait) wait_event(bitmap->write_wait, atomic_read(&bitmap->pending_writes)==0); - } } if (bitmap->flags & BITMAP_WRITE_ERROR) bitmap_file_kick(bitmap); @@ -424,7 +406,7 @@ static struct page *read_page(struct file *file, unsigned long index, struct buffer_head *bh; sector_t block; - PRINTK("read bitmap file (%dB @ %Lu)\n", (int)PAGE_SIZE, + PRINTK("read bitmap file (%dB @ %llu)\n", (int)PAGE_SIZE, (unsigned long long)index << PAGE_SHIFT); page = alloc_page(GFP_KERNEL); @@ -478,7 +460,7 @@ static struct page *read_page(struct file *file, unsigned long index, } out: if (IS_ERR(page)) - printk(KERN_ALERT "md: bitmap read error: (%dB @ %Lu): %ld\n", + printk(KERN_ALERT "md: bitmap read error: (%dB @ %llu): %ld\n", (int)PAGE_SIZE, (unsigned long long)index << PAGE_SHIFT, PTR_ERR(page)); @@ -664,11 +646,14 @@ static int bitmap_mask_state(struct bitmap *bitmap, enum bitmap_state bits, sb = kmap_atomic(bitmap->sb_page, KM_USER0); old = le32_to_cpu(sb->state) & bits; switch (op) { - case MASK_SET: sb->state |= cpu_to_le32(bits); - break; - case MASK_UNSET: sb->state &= cpu_to_le32(~bits); - break; - default: BUG(); + case MASK_SET: + sb->state |= cpu_to_le32(bits); + break; + case MASK_UNSET: + sb->state &= cpu_to_le32(~bits); + break; + default: + BUG(); } kunmap_atomic(sb, KM_USER0); return old; @@ -710,12 +695,14 @@ static inline unsigned long file_page_offset(struct bitmap *bitmap, unsigned lon static inline struct page *filemap_get_page(struct bitmap *bitmap, unsigned long chunk) { - if (file_page_index(bitmap, chunk) >= bitmap->file_pages) return NULL; + if (bitmap->filemap == NULL) + return NULL; + if (file_page_index(bitmap, chunk) >= bitmap->file_pages) + return NULL; return bitmap->filemap[file_page_index(bitmap, chunk) - file_page_index(bitmap, 0)]; } - static void bitmap_file_unmap(struct bitmap *bitmap) { struct page **map, *sb_page; @@ -766,7 +753,6 @@ static void bitmap_file_put(struct bitmap *bitmap) } } - /* * bitmap_file_kick - if an error occurs while manipulating the bitmap file * then it is no longer reliable, so we stop using it and we mark the file @@ -785,7 +771,6 @@ static void bitmap_file_kick(struct bitmap *bitmap) ptr = d_path(&bitmap->file->f_path, path, PAGE_SIZE); - printk(KERN_ALERT "%s: kicking failed bitmap file %s from array!\n", bmname(bitmap), IS_ERR(ptr) ? "" : ptr); @@ -803,27 +788,36 @@ static void bitmap_file_kick(struct bitmap *bitmap) } enum bitmap_page_attr { - BITMAP_PAGE_DIRTY = 0, // there are set bits that need to be synced - BITMAP_PAGE_CLEAN = 1, // there are bits that might need to be cleared - BITMAP_PAGE_NEEDWRITE=2, // there are cleared bits that need to be synced + BITMAP_PAGE_DIRTY = 0, /* there are set bits that need to be synced */ + BITMAP_PAGE_CLEAN = 1, /* there are bits that might need to be cleared */ + BITMAP_PAGE_NEEDWRITE = 2, /* there are cleared bits that need to be synced */ }; static inline void set_page_attr(struct bitmap *bitmap, struct page *page, enum bitmap_page_attr attr) { - __set_bit((page->index<<2) + attr, bitmap->filemap_attr); + if (page) + __set_bit((page->index<<2) + attr, bitmap->filemap_attr); + else + __set_bit(attr, &bitmap->logattrs); } static inline void clear_page_attr(struct bitmap *bitmap, struct page *page, enum bitmap_page_attr attr) { - __clear_bit((page->index<<2) + attr, bitmap->filemap_attr); + if (page) + __clear_bit((page->index<<2) + attr, bitmap->filemap_attr); + else + __clear_bit(attr, &bitmap->logattrs); } static inline unsigned long test_page_attr(struct bitmap *bitmap, struct page *page, enum bitmap_page_attr attr) { - return test_bit((page->index<<2) + attr, bitmap->filemap_attr); + if (page) + return test_bit((page->index<<2) + attr, bitmap->filemap_attr); + else + return test_bit(attr, &bitmap->logattrs); } /* @@ -836,30 +830,32 @@ static inline unsigned long test_page_attr(struct bitmap *bitmap, struct page *p static void bitmap_file_set_bit(struct bitmap *bitmap, sector_t block) { unsigned long bit; - struct page *page; + struct page *page = NULL; void *kaddr; unsigned long chunk = block >> CHUNK_BLOCK_SHIFT(bitmap); if (!bitmap->filemap) { - return; - } - - page = filemap_get_page(bitmap, chunk); - if (!page) return; - bit = file_page_offset(bitmap, chunk); + struct dm_dirty_log *log = bitmap->mddev->bitmap_info.log; + if (log) + log->type->mark_region(log, chunk); + } else { - /* set the bit */ - kaddr = kmap_atomic(page, KM_USER0); - if (bitmap->flags & BITMAP_HOSTENDIAN) - set_bit(bit, kaddr); - else - ext2_set_bit(bit, kaddr); - kunmap_atomic(kaddr, KM_USER0); - PRINTK("set file bit %lu page %lu\n", bit, page->index); + page = filemap_get_page(bitmap, chunk); + if (!page) + return; + bit = file_page_offset(bitmap, chunk); + /* set the bit */ + kaddr = kmap_atomic(page, KM_USER0); + if (bitmap->flags & BITMAP_HOSTENDIAN) + set_bit(bit, kaddr); + else + ext2_set_bit(bit, kaddr); + kunmap_atomic(kaddr, KM_USER0); + PRINTK("set file bit %lu page %lu\n", bit, page->index); + } /* record page number so it gets flushed to disk when unplug occurs */ set_page_attr(bitmap, page, BITMAP_PAGE_DIRTY); - } /* this gets called when the md device is ready to unplug its underlying @@ -874,6 +870,16 @@ void bitmap_unplug(struct bitmap *bitmap) if (!bitmap) return; + if (!bitmap->filemap) { + /* Must be using a dirty_log */ + struct dm_dirty_log *log = bitmap->mddev->bitmap_info.log; + dirty = test_and_clear_bit(BITMAP_PAGE_DIRTY, &bitmap->logattrs); + need_write = test_and_clear_bit(BITMAP_PAGE_NEEDWRITE, &bitmap->logattrs); + if (dirty || need_write) + if (log->type->flush(log)) + bitmap->flags |= BITMAP_WRITE_ERROR; + goto out; + } /* look at each page to see if there are any set bits that need to be * flushed out to disk */ @@ -892,7 +898,7 @@ void bitmap_unplug(struct bitmap *bitmap) wait = 1; spin_unlock_irqrestore(&bitmap->lock, flags); - if (dirty | need_write) + if (dirty || need_write) write_page(bitmap, page, 0); } if (wait) { /* if any writes were performed, we need to wait on them */ @@ -902,9 +908,11 @@ void bitmap_unplug(struct bitmap *bitmap) else md_super_wait(bitmap->mddev); } +out: if (bitmap->flags & BITMAP_WRITE_ERROR) bitmap_file_kick(bitmap); } +EXPORT_SYMBOL(bitmap_unplug); static void bitmap_set_memory_bits(struct bitmap *bitmap, sector_t offset, int needed); /* * bitmap_init_from_disk -- called at bitmap_create time to initialize @@ -943,12 +951,11 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start) printk(KERN_INFO "%s: bitmap file is out of date, doing full " "recovery\n", bmname(bitmap)); - bytes = (chunks + 7) / 8; + bytes = DIV_ROUND_UP(bitmap->chunks, 8); if (!bitmap->mddev->bitmap_info.external) bytes += sizeof(bitmap_super_t); - - num_pages = (bytes + PAGE_SIZE - 1) / PAGE_SIZE; + num_pages = DIV_ROUND_UP(bytes, PAGE_SIZE); if (file && i_size_read(file->f_mapping->host) < bytes) { printk(KERN_INFO "%s: bitmap file too short %lu < %lu\n", @@ -966,7 +973,7 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start) /* We need 4 bits per page, rounded up to a multiple of sizeof(unsigned long) */ bitmap->filemap_attr = kzalloc( - roundup( DIV_ROUND_UP(num_pages*4, 8), sizeof(unsigned long)), + roundup(DIV_ROUND_UP(num_pages*4, 8), sizeof(unsigned long)), GFP_KERNEL); if (!bitmap->filemap_attr) goto err; @@ -1021,7 +1028,7 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start) if (outofdate) { /* * if bitmap is out of date, dirty the - * whole page and write it out + * whole page and write it out */ paddr = kmap_atomic(page, KM_USER0); memset(paddr + offset, 0xff, @@ -1052,7 +1059,7 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start) } } - /* everything went OK */ + /* everything went OK */ ret = 0; bitmap_mask_state(bitmap, BITMAP_STALE, MASK_UNSET); @@ -1080,21 +1087,16 @@ void bitmap_write_all(struct bitmap *bitmap) */ int i; - for (i=0; i < bitmap->file_pages; i++) + for (i = 0; i < bitmap->file_pages; i++) set_page_attr(bitmap, bitmap->filemap[i], BITMAP_PAGE_NEEDWRITE); } - static void bitmap_count_page(struct bitmap *bitmap, sector_t offset, int inc) { sector_t chunk = offset >> CHUNK_BLOCK_SHIFT(bitmap); unsigned long page = chunk >> PAGE_COUNTER_SHIFT; bitmap->bp[page].count += inc; -/* - if (page == 0) printk("count page 0, offset %llu: %d gives %d\n", - (unsigned long long)offset, inc, bitmap->bp[page].count); -*/ bitmap_checkfree(bitmap, page); } static bitmap_counter_t *bitmap_get_counter(struct bitmap *bitmap, @@ -1114,6 +1116,7 @@ void bitmap_daemon_work(mddev_t *mddev) struct page *page = NULL, *lastpage = NULL; int blocks; void *paddr; + struct dm_dirty_log *log = mddev->bitmap_info.log; /* Use a mutex to guard daemon_work against * bitmap_destroy. @@ -1138,11 +1141,12 @@ void bitmap_daemon_work(mddev_t *mddev) spin_lock_irqsave(&bitmap->lock, flags); for (j = 0; j < bitmap->chunks; j++) { bitmap_counter_t *bmc; - if (!bitmap->filemap) - /* error or shutdown */ - break; - - page = filemap_get_page(bitmap, j); + if (!bitmap->filemap) { + if (!log) + /* error or shutdown */ + break; + } else + page = filemap_get_page(bitmap, j); if (page != lastpage) { /* skip this page unless it's marked as needing cleaning */ @@ -1197,14 +1201,11 @@ void bitmap_daemon_work(mddev_t *mddev) (sector_t)j << CHUNK_BLOCK_SHIFT(bitmap), &blocks, 0); if (bmc) { -/* - if (j < 100) printk("bitmap: j=%lu, *bmc = 0x%x\n", j, *bmc); -*/ if (*bmc) bitmap->allclean = 0; if (*bmc == 2) { - *bmc=1; /* maybe clear the bit next time */ + *bmc = 1; /* maybe clear the bit next time */ set_page_attr(bitmap, page, BITMAP_PAGE_CLEAN); } else if (*bmc == 1 && !bitmap->need_sync) { /* we can clear the bit */ @@ -1214,14 +1215,17 @@ void bitmap_daemon_work(mddev_t *mddev) -1); /* clear the bit */ - paddr = kmap_atomic(page, KM_USER0); - if (bitmap->flags & BITMAP_HOSTENDIAN) - clear_bit(file_page_offset(bitmap, j), - paddr); - else - ext2_clear_bit(file_page_offset(bitmap, j), - paddr); - kunmap_atomic(paddr, KM_USER0); + if (page) { + paddr = kmap_atomic(page, KM_USER0); + if (bitmap->flags & BITMAP_HOSTENDIAN) + clear_bit(file_page_offset(bitmap, j), + paddr); + else + ext2_clear_bit(file_page_offset(bitmap, j), + paddr); + kunmap_atomic(paddr, KM_USER0); + } else + log->type->clear_region(log, j); } } else j |= PAGE_COUNTER_MASK; @@ -1229,12 +1233,16 @@ void bitmap_daemon_work(mddev_t *mddev) spin_unlock_irqrestore(&bitmap->lock, flags); /* now sync the final page */ - if (lastpage != NULL) { + if (lastpage != NULL || log != NULL) { spin_lock_irqsave(&bitmap->lock, flags); if (test_page_attr(bitmap, lastpage, BITMAP_PAGE_NEEDWRITE)) { clear_page_attr(bitmap, lastpage, BITMAP_PAGE_NEEDWRITE); spin_unlock_irqrestore(&bitmap->lock, flags); - write_page(bitmap, lastpage, 0); + if (lastpage) + write_page(bitmap, lastpage, 0); + else + if (log->type->flush(log)) + bitmap->flags |= BITMAP_WRITE_ERROR; } else { set_page_attr(bitmap, lastpage, BITMAP_PAGE_NEEDWRITE); spin_unlock_irqrestore(&bitmap->lock, flags); @@ -1243,7 +1251,7 @@ void bitmap_daemon_work(mddev_t *mddev) done: if (bitmap->allclean == 0) - bitmap->mddev->thread->timeout = + bitmap->mddev->thread->timeout = bitmap->mddev->bitmap_info.daemon_sleep; mutex_unlock(&mddev->bitmap_info.mutex); } @@ -1262,34 +1270,38 @@ __acquires(bitmap->lock) unsigned long page = chunk >> PAGE_COUNTER_SHIFT; unsigned long pageoff = (chunk & PAGE_COUNTER_MASK) << COUNTER_BYTE_SHIFT; sector_t csize; + int err; - if (bitmap_checkpage(bitmap, page, create) < 0) { + err = bitmap_checkpage(bitmap, page, create); + + if (bitmap->bp[page].hijacked || + bitmap->bp[page].map == NULL) + csize = ((sector_t)1) << (CHUNK_BLOCK_SHIFT(bitmap) + + PAGE_COUNTER_SHIFT - 1); + else csize = ((sector_t)1) << (CHUNK_BLOCK_SHIFT(bitmap)); - *blocks = csize - (offset & (csize- 1)); + *blocks = csize - (offset & (csize - 1)); + + if (err < 0) return NULL; - } + /* now locked ... */ if (bitmap->bp[page].hijacked) { /* hijacked pointer */ /* should we use the first or second counter field * of the hijacked pointer? */ int hi = (pageoff > PAGE_COUNTER_MASK); - csize = ((sector_t)1) << (CHUNK_BLOCK_SHIFT(bitmap) + - PAGE_COUNTER_SHIFT - 1); - *blocks = csize - (offset & (csize- 1)); return &((bitmap_counter_t *) &bitmap->bp[page].map)[hi]; - } else { /* page is allocated */ - csize = ((sector_t)1) << (CHUNK_BLOCK_SHIFT(bitmap)); - *blocks = csize - (offset & (csize- 1)); + } else /* page is allocated */ return (bitmap_counter_t *) &(bitmap->bp[page].map[pageoff]); - } } int bitmap_startwrite(struct bitmap *bitmap, sector_t offset, unsigned long sectors, int behind) { - if (!bitmap) return 0; + if (!bitmap) + return 0; if (behind) { int bw; @@ -1322,17 +1334,16 @@ int bitmap_startwrite(struct bitmap *bitmap, sector_t offset, unsigned long sect prepare_to_wait(&bitmap->overflow_wait, &__wait, TASK_UNINTERRUPTIBLE); spin_unlock_irq(&bitmap->lock); - blk_unplug(bitmap->mddev->queue); + md_unplug(bitmap->mddev); schedule(); finish_wait(&bitmap->overflow_wait, &__wait); continue; } - switch(*bmc) { + switch (*bmc) { case 0: bitmap_file_set_bit(bitmap, offset); - bitmap_count_page(bitmap,offset, 1); - blk_plug_device_unlocked(bitmap->mddev->queue); + bitmap_count_page(bitmap, offset, 1); /* fall through */ case 1: *bmc = 2; @@ -1345,16 +1356,19 @@ int bitmap_startwrite(struct bitmap *bitmap, sector_t offset, unsigned long sect offset += blocks; if (sectors > blocks) sectors -= blocks; - else sectors = 0; + else + sectors = 0; } bitmap->allclean = 0; return 0; } +EXPORT_SYMBOL(bitmap_startwrite); void bitmap_endwrite(struct bitmap *bitmap, sector_t offset, unsigned long sectors, int success, int behind) { - if (!bitmap) return; + if (!bitmap) + return; if (behind) { if (atomic_dec_and_test(&bitmap->behind_writes)) wake_up(&bitmap->behind_wait); @@ -1381,7 +1395,7 @@ void bitmap_endwrite(struct bitmap *bitmap, sector_t offset, unsigned long secto bitmap->events_cleared < bitmap->mddev->events) { bitmap->events_cleared = bitmap->mddev->events; bitmap->need_sync = 1; - sysfs_notify_dirent(bitmap->sysfs_can_clear); + sysfs_notify_dirent_safe(bitmap->sysfs_can_clear); } if (!success && ! (*bmc & NEEDED_MASK)) @@ -1391,18 +1405,22 @@ void bitmap_endwrite(struct bitmap *bitmap, sector_t offset, unsigned long secto wake_up(&bitmap->overflow_wait); (*bmc)--; - if (*bmc <= 2) { + if (*bmc <= 2) set_page_attr(bitmap, - filemap_get_page(bitmap, offset >> CHUNK_BLOCK_SHIFT(bitmap)), + filemap_get_page( + bitmap, + offset >> CHUNK_BLOCK_SHIFT(bitmap)), BITMAP_PAGE_CLEAN); - } + spin_unlock_irqrestore(&bitmap->lock, flags); offset += blocks; if (sectors > blocks) sectors -= blocks; - else sectors = 0; + else + sectors = 0; } } +EXPORT_SYMBOL(bitmap_endwrite); static int __bitmap_start_sync(struct bitmap *bitmap, sector_t offset, int *blocks, int degraded) @@ -1455,14 +1473,14 @@ int bitmap_start_sync(struct bitmap *bitmap, sector_t offset, int *blocks, } return rv; } +EXPORT_SYMBOL(bitmap_start_sync); void bitmap_end_sync(struct bitmap *bitmap, sector_t offset, int *blocks, int aborted) { bitmap_counter_t *bmc; unsigned long flags; -/* - if (offset == 0) printk("bitmap_end_sync 0 (%d)\n", aborted); -*/ if (bitmap == NULL) { + + if (bitmap == NULL) { *blocks = 1024; return; } @@ -1471,26 +1489,23 @@ void bitmap_end_sync(struct bitmap *bitmap, sector_t offset, int *blocks, int ab if (bmc == NULL) goto unlock; /* locked */ -/* - if (offset == 0) printk("bitmap_end sync found 0x%x, blocks %d\n", *bmc, *blocks); -*/ if (RESYNC(*bmc)) { *bmc &= ~RESYNC_MASK; if (!NEEDED(*bmc) && aborted) *bmc |= NEEDED_MASK; else { - if (*bmc <= 2) { + if (*bmc <= 2) set_page_attr(bitmap, filemap_get_page(bitmap, offset >> CHUNK_BLOCK_SHIFT(bitmap)), BITMAP_PAGE_CLEAN); - } } } unlock: spin_unlock_irqrestore(&bitmap->lock, flags); bitmap->allclean = 0; } +EXPORT_SYMBOL(bitmap_end_sync); void bitmap_close_sync(struct bitmap *bitmap) { @@ -1507,6 +1522,7 @@ void bitmap_close_sync(struct bitmap *bitmap) sector += blocks; } } +EXPORT_SYMBOL(bitmap_close_sync); void bitmap_cond_end_sync(struct bitmap *bitmap, sector_t sector) { @@ -1526,7 +1542,8 @@ void bitmap_cond_end_sync(struct bitmap *bitmap, sector_t sector) atomic_read(&bitmap->mddev->recovery_active) == 0); bitmap->mddev->curr_resync_completed = bitmap->mddev->curr_resync; - set_bit(MD_CHANGE_CLEAN, &bitmap->mddev->flags); + if (bitmap->mddev->persistent) + set_bit(MD_CHANGE_CLEAN, &bitmap->mddev->flags); sector &= ~((1ULL << CHUNK_BLOCK_SHIFT(bitmap)) - 1); s = 0; while (s < sector && s < bitmap->mddev->resync_max_sectors) { @@ -1536,6 +1553,7 @@ void bitmap_cond_end_sync(struct bitmap *bitmap, sector_t sector) bitmap->last_end_sync = jiffies; sysfs_notify(&bitmap->mddev->kobj, NULL, "sync_completed"); } +EXPORT_SYMBOL(bitmap_cond_end_sync); static void bitmap_set_memory_bits(struct bitmap *bitmap, sector_t offset, int needed) { @@ -1552,9 +1570,9 @@ static void bitmap_set_memory_bits(struct bitmap *bitmap, sector_t offset, int n spin_unlock_irq(&bitmap->lock); return; } - if (! *bmc) { + if (!*bmc) { struct page *page; - *bmc = 1 | (needed?NEEDED_MASK:0); + *bmc = 1 | (needed ? NEEDED_MASK : 0); bitmap_count_page(bitmap, offset, 1); page = filemap_get_page(bitmap, offset >> CHUNK_BLOCK_SHIFT(bitmap)); set_page_attr(bitmap, page, BITMAP_PAGE_CLEAN); @@ -1663,15 +1681,17 @@ int bitmap_create(mddev_t *mddev) unsigned long pages; struct file *file = mddev->bitmap_info.file; int err; - sector_t start; - struct sysfs_dirent *bm; + struct sysfs_dirent *bm = NULL; BUILD_BUG_ON(sizeof(bitmap_super_t) != 256); - if (!file && !mddev->bitmap_info.offset) /* bitmap disabled, nothing to do */ + if (!file + && !mddev->bitmap_info.offset + && !mddev->bitmap_info.log) /* bitmap disabled, nothing to do */ return 0; BUG_ON(file && mddev->bitmap_info.offset); + BUG_ON(mddev->bitmap_info.offset && mddev->bitmap_info.log); bitmap = kzalloc(sizeof(*bitmap), GFP_KERNEL); if (!bitmap) @@ -1685,7 +1705,8 @@ int bitmap_create(mddev_t *mddev) bitmap->mddev = mddev; - bm = sysfs_get_dirent(mddev->kobj.sd, NULL, "bitmap"); + if (mddev->kobj.sd) + bm = sysfs_get_dirent(mddev->kobj.sd, NULL, "bitmap"); if (bm) { bitmap->sysfs_can_clear = sysfs_get_dirent(bm, NULL, "can_clear"); sysfs_put(bm); @@ -1719,9 +1740,9 @@ int bitmap_create(mddev_t *mddev) bitmap->chunkshift = ffz(~mddev->bitmap_info.chunksize); /* now that chunksize and chunkshift are set, we can use these macros */ - chunks = (blocks + CHUNK_BLOCK_RATIO(bitmap) - 1) >> + chunks = (blocks + CHUNK_BLOCK_RATIO(bitmap) - 1) >> CHUNK_BLOCK_SHIFT(bitmap); - pages = (chunks + PAGE_COUNTER_RATIO - 1) / PAGE_COUNTER_RATIO; + pages = (chunks + PAGE_COUNTER_RATIO - 1) / PAGE_COUNTER_RATIO; BUG_ON(!pages); @@ -1741,27 +1762,11 @@ int bitmap_create(mddev_t *mddev) if (!bitmap->bp) goto error; - /* now that we have some pages available, initialize the in-memory - * bitmap from the on-disk bitmap */ - start = 0; - if (mddev->degraded == 0 - || bitmap->events_cleared == mddev->events) - /* no need to keep dirty bits to optimise a re-add of a missing device */ - start = mddev->recovery_cp; - err = bitmap_init_from_disk(bitmap, start); - - if (err) - goto error; - printk(KERN_INFO "created bitmap (%lu pages) for device %s\n", pages, bmname(bitmap)); mddev->bitmap = bitmap; - mddev->thread->timeout = mddev->bitmap_info.daemon_sleep; - md_wakeup_thread(mddev->thread); - - bitmap_update_sb(bitmap); return (bitmap->flags & BITMAP_WRITE_ERROR) ? -EIO : 0; @@ -1770,15 +1775,69 @@ int bitmap_create(mddev_t *mddev) return err; } +int bitmap_load(mddev_t *mddev) +{ + int err = 0; + sector_t sector = 0; + struct bitmap *bitmap = mddev->bitmap; + + if (!bitmap) + goto out; + + /* Clear out old bitmap info first: Either there is none, or we + * are resuming after someone else has possibly changed things, + * so we should forget old cached info. + * All chunks should be clean, but some might need_sync. + */ + while (sector < mddev->resync_max_sectors) { + int blocks; + bitmap_start_sync(bitmap, sector, &blocks, 0); + sector += blocks; + } + bitmap_close_sync(bitmap); + + if (mddev->bitmap_info.log) { + unsigned long i; + struct dm_dirty_log *log = mddev->bitmap_info.log; + for (i = 0; i < bitmap->chunks; i++) + if (!log->type->in_sync(log, i, 1)) + bitmap_set_memory_bits(bitmap, + (sector_t)i << CHUNK_BLOCK_SHIFT(bitmap), + 1); + } else { + sector_t start = 0; + if (mddev->degraded == 0 + || bitmap->events_cleared == mddev->events) + /* no need to keep dirty bits to optimise a + * re-add of a missing device */ + start = mddev->recovery_cp; + + err = bitmap_init_from_disk(bitmap, start); + } + if (err) + goto out; + + mddev->thread->timeout = mddev->bitmap_info.daemon_sleep; + md_wakeup_thread(mddev->thread); + + bitmap_update_sb(bitmap); + + if (bitmap->flags & BITMAP_WRITE_ERROR) + err = -EIO; +out: + return err; +} +EXPORT_SYMBOL_GPL(bitmap_load); + static ssize_t location_show(mddev_t *mddev, char *page) { ssize_t len; - if (mddev->bitmap_info.file) { + if (mddev->bitmap_info.file) len = sprintf(page, "file"); - } else if (mddev->bitmap_info.offset) { + else if (mddev->bitmap_info.offset) len = sprintf(page, "%+lld", (long long)mddev->bitmap_info.offset); - } else + else len = sprintf(page, "none"); len += sprintf(page+len, "\n"); return len; @@ -1867,7 +1926,7 @@ timeout_show(mddev_t *mddev, char *page) ssize_t len; unsigned long secs = mddev->bitmap_info.daemon_sleep / HZ; unsigned long jifs = mddev->bitmap_info.daemon_sleep % HZ; - + len = sprintf(page, "%lu", secs); if (jifs) len += sprintf(page+len, ".%03u", jiffies_to_msecs(jifs)); @@ -2049,12 +2108,3 @@ struct attribute_group md_bitmap_group = { .attrs = md_bitmap_attrs, }; - -/* the bitmap API -- for raid personalities */ -EXPORT_SYMBOL(bitmap_startwrite); -EXPORT_SYMBOL(bitmap_endwrite); -EXPORT_SYMBOL(bitmap_start_sync); -EXPORT_SYMBOL(bitmap_end_sync); -EXPORT_SYMBOL(bitmap_unplug); -EXPORT_SYMBOL(bitmap_close_sync); -EXPORT_SYMBOL(bitmap_cond_end_sync); diff --git a/drivers/md/bitmap.h b/drivers/md/bitmap.h index 3797dea..e872a7b 100644 --- a/drivers/md/bitmap.h +++ b/drivers/md/bitmap.h @@ -222,6 +222,10 @@ struct bitmap { unsigned long file_pages; /* number of pages in the file */ int last_page_size; /* bytes in the last page */ + unsigned long logattrs; /* used when filemap_attr doesn't exist + * because we are working with a dirty_log + */ + unsigned long flags; int allclean; @@ -243,12 +247,14 @@ struct bitmap { wait_queue_head_t behind_wait; struct sysfs_dirent *sysfs_can_clear; + }; /* the bitmap API */ /* these are used only by md/bitmap */ int bitmap_create(mddev_t *mddev); +int bitmap_load(mddev_t *mddev); void bitmap_flush(mddev_t *mddev); void bitmap_destroy(mddev_t *mddev); diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c index 10f457c..0590c75 100644 --- a/drivers/md/dm-io.c +++ b/drivers/md/dm-io.c @@ -356,7 +356,7 @@ static void dispatch_io(int rw, unsigned int num_regions, BUG_ON(num_regions > DM_IO_MAX_REGIONS); if (sync) - rw |= (1 << BIO_RW_SYNCIO) | (1 << BIO_RW_UNPLUG); + rw |= REQ_SYNC | REQ_UNPLUG; /* * For multiple regions we need to be careful to rewind @@ -364,7 +364,7 @@ static void dispatch_io(int rw, unsigned int num_regions, */ for (i = 0; i < num_regions; i++) { *dp = old_pages; - if (where[i].count || (rw & (1 << BIO_RW_BARRIER))) + if (where[i].count || (rw & REQ_HARDBARRIER)) do_region(rw, i, where + i, dp, io); } @@ -412,8 +412,8 @@ retry: } set_current_state(TASK_RUNNING); - if (io->eopnotsupp_bits && (rw & (1 << BIO_RW_BARRIER))) { - rw &= ~(1 << BIO_RW_BARRIER); + if (io->eopnotsupp_bits && (rw & REQ_HARDBARRIER)) { + rw &= ~REQ_HARDBARRIER; goto retry; } @@ -479,8 +479,8 @@ static int dp_init(struct dm_io_request *io_req, struct dpages *dp) * New collapsed (a)synchronous interface. * * If the IO is asynchronous (i.e. it has notify.fn), you must either unplug - * the queue with blk_unplug() some time later or set the BIO_RW_SYNC bit in - * io_req->bi_rw. If you fail to do one of these, the IO will be submitted to + * the queue with blk_unplug() some time later or set REQ_SYNC in +io_req->bi_rw. If you fail to do one of these, the IO will be submitted to * the disk after q->unplug_delay, which defaults to 3ms in blk-settings.c. */ int dm_io(struct dm_io_request *io_req, unsigned num_regions, diff --git a/drivers/md/dm-kcopyd.c b/drivers/md/dm-kcopyd.c index addf834..d8587ba 100644 --- a/drivers/md/dm-kcopyd.c +++ b/drivers/md/dm-kcopyd.c @@ -345,7 +345,7 @@ static int run_io_job(struct kcopyd_job *job) { int r; struct dm_io_request io_req = { - .bi_rw = job->rw | (1 << BIO_RW_SYNCIO) | (1 << BIO_RW_UNPLUG), + .bi_rw = job->rw | REQ_SYNC | REQ_UNPLUG, .mem.type = DM_IO_PAGE_LIST, .mem.ptr.pl = job->pages, .mem.offset = job->offset, diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index ddda531..7413626 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -1211,7 +1211,7 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, if (error == -EOPNOTSUPP) goto out; - if ((error == -EWOULDBLOCK) && bio_rw_flagged(bio, BIO_RW_AHEAD)) + if ((error == -EWOULDBLOCK) && (bio->bi_rw & REQ_RAHEAD)) goto out; if (unlikely(error)) { diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c index e610725..d6e28d7 100644 --- a/drivers/md/dm-stripe.c +++ b/drivers/md/dm-stripe.c @@ -284,7 +284,7 @@ static int stripe_end_io(struct dm_target *ti, struct bio *bio, if (!error) return 0; /* I/O complete */ - if ((error == -EWOULDBLOCK) && bio_rw_flagged(bio, BIO_RW_AHEAD)) + if ((error == -EWOULDBLOCK) && (bio->bi_rw & REQ_RAHEAD)) return error; if (error == -EOPNOTSUPP) diff --git a/drivers/md/dm.c b/drivers/md/dm.c index d21e128..a3f21dc 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -15,6 +15,7 @@ #include <linux/blkpg.h> #include <linux/bio.h> #include <linux/buffer_head.h> +#include <linux/smp_lock.h> #include <linux/mempool.h> #include <linux/slab.h> #include <linux/idr.h> @@ -338,6 +339,7 @@ static int dm_blk_open(struct block_device *bdev, fmode_t mode) { struct mapped_device *md; + lock_kernel(); spin_lock(&_minor_lock); md = bdev->bd_disk->private_data; @@ -355,6 +357,7 @@ static int dm_blk_open(struct block_device *bdev, fmode_t mode) out: spin_unlock(&_minor_lock); + unlock_kernel(); return md ? 0 : -ENXIO; } @@ -362,8 +365,12 @@ out: static int dm_blk_close(struct gendisk *disk, fmode_t mode) { struct mapped_device *md = disk->private_data; + + lock_kernel(); atomic_dec(&md->open_count); dm_put(md); + unlock_kernel(); + return 0; } @@ -614,7 +621,7 @@ static void dec_pending(struct dm_io *io, int error) */ spin_lock_irqsave(&md->deferred_lock, flags); if (__noflush_suspending(md)) { - if (!bio_rw_flagged(io->bio, BIO_RW_BARRIER)) + if (!(io->bio->bi_rw & REQ_HARDBARRIER)) bio_list_add_head(&md->deferred, io->bio); } else @@ -626,7 +633,7 @@ static void dec_pending(struct dm_io *io, int error) io_error = io->error; bio = io->bio; - if (bio_rw_flagged(bio, BIO_RW_BARRIER)) { + if (bio->bi_rw & REQ_HARDBARRIER) { /* * There can be just one barrier request so we use * a per-device variable for error reporting. @@ -792,12 +799,12 @@ static void dm_end_request(struct request *clone, int error) { int rw = rq_data_dir(clone); int run_queue = 1; - bool is_barrier = blk_barrier_rq(clone); + bool is_barrier = clone->cmd_flags & REQ_HARDBARRIER; struct dm_rq_target_io *tio = clone->end_io_data; struct mapped_device *md = tio->md; struct request *rq = tio->orig; - if (blk_pc_request(rq) && !is_barrier) { + if (rq->cmd_type == REQ_TYPE_BLOCK_PC && !is_barrier) { rq->errors = clone->errors; rq->resid_len = clone->resid_len; @@ -844,7 +851,7 @@ void dm_requeue_unmapped_request(struct request *clone) struct request_queue *q = rq->q; unsigned long flags; - if (unlikely(blk_barrier_rq(clone))) { + if (unlikely(clone->cmd_flags & REQ_HARDBARRIER)) { /* * Barrier clones share an original request. * Leave it to dm_end_request(), which handles this special @@ -943,7 +950,7 @@ static void dm_complete_request(struct request *clone, int error) struct dm_rq_target_io *tio = clone->end_io_data; struct request *rq = tio->orig; - if (unlikely(blk_barrier_rq(clone))) { + if (unlikely(clone->cmd_flags & REQ_HARDBARRIER)) { /* * Barrier clones share an original request. So can't use * softirq_done with the original. @@ -972,7 +979,7 @@ void dm_kill_unmapped_request(struct request *clone, int error) struct dm_rq_target_io *tio = clone->end_io_data; struct request *rq = tio->orig; - if (unlikely(blk_barrier_rq(clone))) { + if (unlikely(clone->cmd_flags & REQ_HARDBARRIER)) { /* * Barrier clones share an original request. * Leave it to dm_end_request(), which handles this special @@ -1106,7 +1113,7 @@ static struct bio *split_bvec(struct bio *bio, sector_t sector, clone->bi_sector = sector; clone->bi_bdev = bio->bi_bdev; - clone->bi_rw = bio->bi_rw & ~(1 << BIO_RW_BARRIER); + clone->bi_rw = bio->bi_rw & ~REQ_HARDBARRIER; clone->bi_vcnt = 1; clone->bi_size = to_bytes(len); clone->bi_io_vec->bv_offset = offset; @@ -1133,7 +1140,7 @@ static struct bio *clone_bio(struct bio *bio, sector_t sector, clone = bio_alloc_bioset(GFP_NOIO, bio->bi_max_vecs, bs); __bio_clone(clone, bio); - clone->bi_rw &= ~(1 << BIO_RW_BARRIER); + clone->bi_rw &= ~REQ_HARDBARRIER; clone->bi_destructor = dm_bio_destructor; clone->bi_sector = sector; clone->bi_idx = idx; @@ -1301,7 +1308,7 @@ static void __split_and_process_bio(struct mapped_device *md, struct bio *bio) ci.map = dm_get_live_table(md); if (unlikely(!ci.map)) { - if (!bio_rw_flagged(bio, BIO_RW_BARRIER)) + if (!(bio->bi_rw & REQ_HARDBARRIER)) bio_io_error(bio); else if (!md->barrier_error) @@ -1414,7 +1421,7 @@ static int _dm_request(struct request_queue *q, struct bio *bio) * we have to queue this io for later. */ if (unlikely(test_bit(DMF_QUEUE_IO_TO_THREAD, &md->flags)) || - unlikely(bio_rw_flagged(bio, BIO_RW_BARRIER))) { + unlikely(bio->bi_rw & REQ_HARDBARRIER)) { up_read(&md->io_lock); if (unlikely(test_bit(DMF_BLOCK_IO_FOR_SUSPEND, &md->flags)) && @@ -1455,20 +1462,9 @@ static int dm_request(struct request_queue *q, struct bio *bio) return _dm_request(q, bio); } -/* - * Mark this request as flush request, so that dm_request_fn() can - * recognize. - */ -static void dm_rq_prepare_flush(struct request_queue *q, struct request *rq) -{ - rq->cmd_type = REQ_TYPE_LINUX_BLOCK; - rq->cmd[0] = REQ_LB_OP_FLUSH; -} - static bool dm_rq_is_flush_request(struct request *rq) { - if (rq->cmd_type == REQ_TYPE_LINUX_BLOCK && - rq->cmd[0] == REQ_LB_OP_FLUSH) + if (rq->cmd_flags & REQ_FLUSH) return true; else return false; @@ -1912,8 +1908,7 @@ static struct mapped_device *alloc_dev(int minor) blk_queue_softirq_done(md->queue, dm_softirq_done); blk_queue_prep_rq(md->queue, dm_prep_fn); blk_queue_lld_busy(md->queue, dm_lld_busy); - blk_queue_ordered(md->queue, QUEUE_ORDERED_DRAIN_FLUSH, - dm_rq_prepare_flush); + blk_queue_ordered(md->queue, QUEUE_ORDERED_DRAIN_FLUSH); md->disk = alloc_disk(1); if (!md->disk) @@ -2296,7 +2291,7 @@ static void dm_wq_work(struct work_struct *work) if (dm_request_based(md)) generic_make_request(c); else { - if (bio_rw_flagged(c, BIO_RW_BARRIER)) + if (c->bi_rw & REQ_HARDBARRIER) process_barrier(md, c); else __split_and_process_bio(md, c); diff --git a/drivers/md/linear.c b/drivers/md/linear.c index 7e0e057..ba19060 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -294,7 +294,7 @@ static int linear_make_request (mddev_t *mddev, struct bio *bio) dev_info_t *tmp_dev; sector_t start_sector; - if (unlikely(bio_rw_flagged(bio, BIO_RW_BARRIER))) { + if (unlikely(bio->bi_rw & REQ_HARDBARRIER)) { md_barrier_request(mddev, bio); return 0; } diff --git a/drivers/md/md.c b/drivers/md/md.c index cb20d0b..11567c7 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -36,6 +36,7 @@ #include <linux/blkdev.h> #include <linux/sysctl.h> #include <linux/seq_file.h> +#include <linux/smp_lock.h> #include <linux/buffer_head.h> /* for invalidate_bdev */ #include <linux/poll.h> #include <linux/ctype.h> @@ -261,7 +262,7 @@ static int md_make_request(struct request_queue *q, struct bio *bio) * Once ->stop is called and completes, the module will be completely * unused. */ -static void mddev_suspend(mddev_t *mddev) +void mddev_suspend(mddev_t *mddev) { BUG_ON(mddev->suspended); mddev->suspended = 1; @@ -269,13 +270,15 @@ static void mddev_suspend(mddev_t *mddev) wait_event(mddev->sb_wait, atomic_read(&mddev->active_io) == 0); mddev->pers->quiesce(mddev, 1); } +EXPORT_SYMBOL_GPL(mddev_suspend); -static void mddev_resume(mddev_t *mddev) +void mddev_resume(mddev_t *mddev) { mddev->suspended = 0; wake_up(&mddev->sb_wait); mddev->pers->quiesce(mddev, 0); } +EXPORT_SYMBOL_GPL(mddev_resume); int mddev_congested(mddev_t *mddev, int bits) { @@ -353,7 +356,7 @@ static void md_submit_barrier(struct work_struct *ws) /* an empty barrier - all done */ bio_endio(bio, 0); else { - bio->bi_rw &= ~(1<<BIO_RW_BARRIER); + bio->bi_rw &= ~REQ_HARDBARRIER; if (mddev->pers->make_request(mddev, bio)) generic_make_request(bio); mddev->barrier = POST_REQUEST_BARRIER; @@ -384,6 +387,51 @@ void md_barrier_request(mddev_t *mddev, struct bio *bio) } EXPORT_SYMBOL(md_barrier_request); +/* Support for plugging. + * This mirrors the plugging support in request_queue, but does not + * require having a whole queue + */ +static void plugger_work(struct work_struct *work) +{ + struct plug_handle *plug = + container_of(work, struct plug_handle, unplug_work); + plug->unplug_fn(plug); +} +static void plugger_timeout(unsigned long data) +{ + struct plug_handle *plug = (void *)data; + kblockd_schedule_work(NULL, &plug->unplug_work); +} +void plugger_init(struct plug_handle *plug, + void (*unplug_fn)(struct plug_handle *)) +{ + plug->unplug_flag = 0; + plug->unplug_fn = unplug_fn; + init_timer(&plug->unplug_timer); + plug->unplug_timer.function = plugger_timeout; + plug->unplug_timer.data = (unsigned long)plug; + INIT_WORK(&plug->unplug_work, plugger_work); +} +EXPORT_SYMBOL_GPL(plugger_init); + +void plugger_set_plug(struct plug_handle *plug) +{ + if (!test_and_set_bit(PLUGGED_FLAG, &plug->unplug_flag)) + mod_timer(&plug->unplug_timer, jiffies + msecs_to_jiffies(3)+1); +} +EXPORT_SYMBOL_GPL(plugger_set_plug); + +int plugger_remove_plug(struct plug_handle *plug) +{ + if (test_and_clear_bit(PLUGGED_FLAG, &plug->unplug_flag)) { + del_timer(&plug->unplug_timer); + return 1; + } else + return 0; +} +EXPORT_SYMBOL_GPL(plugger_remove_plug); + + static inline mddev_t *mddev_get(mddev_t *mddev) { atomic_inc(&mddev->active); @@ -416,7 +464,7 @@ static void mddev_put(mddev_t *mddev) spin_unlock(&all_mddevs_lock); } -static void mddev_init(mddev_t *mddev) +void mddev_init(mddev_t *mddev) { mutex_init(&mddev->open_mutex); mutex_init(&mddev->reconfig_mutex); @@ -436,6 +484,7 @@ static void mddev_init(mddev_t *mddev) mddev->resync_max = MaxSector; mddev->level = LEVEL_NONE; } +EXPORT_SYMBOL_GPL(mddev_init); static mddev_t * mddev_find(dev_t unit) { @@ -532,25 +581,31 @@ static void mddev_unlock(mddev_t * mddev) * an access to the files will try to take reconfig_mutex * while holding the file unremovable, which leads to * a deadlock. - * So hold open_mutex instead - we are allowed to take - * it while holding reconfig_mutex, and md_run can - * use it to wait for the remove to complete. + * So hold set sysfs_active while the remove in happeing, + * and anything else which might set ->to_remove or my + * otherwise change the sysfs namespace will fail with + * -EBUSY if sysfs_active is still set. + * We set sysfs_active under reconfig_mutex and elsewhere + * test it under the same mutex to ensure its correct value + * is seen. */ struct attribute_group *to_remove = mddev->to_remove; mddev->to_remove = NULL; - mutex_lock(&mddev->open_mutex); + mddev->sysfs_active = 1; mutex_unlock(&mddev->reconfig_mutex); - if (to_remove != &md_redundancy_group) - sysfs_remove_group(&mddev->kobj, to_remove); - if (mddev->pers == NULL || - mddev->pers->sync_request == NULL) { - sysfs_remove_group(&mddev->kobj, &md_redundancy_group); - if (mddev->sysfs_action) - sysfs_put(mddev->sysfs_action); - mddev->sysfs_action = NULL; + if (mddev->kobj.sd) { + if (to_remove != &md_redundancy_group) + sysfs_remove_group(&mddev->kobj, to_remove); + if (mddev->pers == NULL || + mddev->pers->sync_request == NULL) { + sysfs_remove_group(&mddev->kobj, &md_redundancy_group); + if (mddev->sysfs_action) + sysfs_put(mddev->sysfs_action); + mddev->sysfs_action = NULL; + } } - mutex_unlock(&mddev->open_mutex); + mddev->sysfs_active = 0; } else mutex_unlock(&mddev->reconfig_mutex); @@ -675,11 +730,11 @@ void md_super_write(mddev_t *mddev, mdk_rdev_t *rdev, * if zero is reached. * If an error occurred, call md_error * - * As we might need to resubmit the request if BIO_RW_BARRIER + * As we might need to resubmit the request if REQ_HARDBARRIER * causes ENOTSUPP, we allocate a spare bio... */ struct bio *bio = bio_alloc(GFP_NOIO, 1); - int rw = (1<<BIO_RW) | (1<<BIO_RW_SYNCIO) | (1<<BIO_RW_UNPLUG); + int rw = REQ_WRITE | REQ_SYNC | REQ_UNPLUG; bio->bi_bdev = rdev->bdev; bio->bi_sector = sector; @@ -691,7 +746,7 @@ void md_super_write(mddev_t *mddev, mdk_rdev_t *rdev, atomic_inc(&mddev->pending_writes); if (!test_bit(BarriersNotsupp, &rdev->flags)) { struct bio *rbio; - rw |= (1<<BIO_RW_BARRIER); + rw |= REQ_HARDBARRIER; rbio = bio_clone(bio, GFP_NOIO); rbio->bi_private = bio; rbio->bi_end_io = super_written_barrier; @@ -736,7 +791,7 @@ int sync_page_io(struct block_device *bdev, sector_t sector, int size, struct completion event; int ret; - rw |= (1 << BIO_RW_SYNCIO) | (1 << BIO_RW_UNPLUG); + rw |= REQ_SYNC | REQ_UNPLUG; bio->bi_bdev = bdev; bio->bi_sector = sector; @@ -1811,11 +1866,9 @@ static int bind_rdev_to_array(mdk_rdev_t * rdev, mddev_t * mddev) goto fail; ko = &part_to_dev(rdev->bdev->bd_part)->kobj; - if ((err = sysfs_create_link(&rdev->kobj, ko, "block"))) { - kobject_del(&rdev->kobj); - goto fail; - } - rdev->sysfs_state = sysfs_get_dirent(rdev->kobj.sd, NULL, "state"); + if (sysfs_create_link(&rdev->kobj, ko, "block")) + /* failure here is OK */; + rdev->sysfs_state = sysfs_get_dirent_safe(rdev->kobj.sd, "state"); list_add_rcu(&rdev->same_set, &mddev->disks); bd_claim_by_disk(rdev->bdev, rdev->bdev->bd_holder, mddev->gendisk); @@ -2334,8 +2387,8 @@ state_store(mdk_rdev_t *rdev, const char *buf, size_t len) set_bit(In_sync, &rdev->flags); err = 0; } - if (!err && rdev->sysfs_state) - sysfs_notify_dirent(rdev->sysfs_state); + if (!err) + sysfs_notify_dirent_safe(rdev->sysfs_state); return err ? err : len; } static struct rdev_sysfs_entry rdev_state = @@ -2430,14 +2483,10 @@ slot_store(mdk_rdev_t *rdev, const char *buf, size_t len) rdev->raid_disk = -1; return err; } else - sysfs_notify_dirent(rdev->sysfs_state); + sysfs_notify_dirent_safe(rdev->sysfs_state); sprintf(nm, "rd%d", rdev->raid_disk); if (sysfs_create_link(&rdev->mddev->kobj, &rdev->kobj, nm)) - printk(KERN_WARNING - "md: cannot register " - "%s for %s\n", - nm, mdname(rdev->mddev)); - + /* failure here is OK */; /* don't wakeup anyone, leave that to userspace. */ } else { if (slot >= rdev->mddev->raid_disks) @@ -2447,7 +2496,7 @@ slot_store(mdk_rdev_t *rdev, const char *buf, size_t len) clear_bit(Faulty, &rdev->flags); clear_bit(WriteMostly, &rdev->flags); set_bit(In_sync, &rdev->flags); - sysfs_notify_dirent(rdev->sysfs_state); + sysfs_notify_dirent_safe(rdev->sysfs_state); } return len; } @@ -2695,6 +2744,24 @@ static struct kobj_type rdev_ktype = { .default_attrs = rdev_default_attrs, }; +void md_rdev_init(mdk_rdev_t *rdev) +{ + rdev->desc_nr = -1; + rdev->saved_raid_disk = -1; + rdev->raid_disk = -1; + rdev->flags = 0; + rdev->data_offset = 0; + rdev->sb_events = 0; + rdev->last_read_error.tv_sec = 0; + rdev->last_read_error.tv_nsec = 0; + atomic_set(&rdev->nr_pending, 0); + atomic_set(&rdev->read_errors, 0); + atomic_set(&rdev->corrected_errors, 0); + + INIT_LIST_HEAD(&rdev->same_set); + init_waitqueue_head(&rdev->blocked_wait); +} +EXPORT_SYMBOL_GPL(md_rdev_init); /* * Import a device. If 'super_format' >= 0, then sanity check the superblock * @@ -2718,6 +2785,7 @@ static mdk_rdev_t *md_import_device(dev_t newdev, int super_format, int super_mi return ERR_PTR(-ENOMEM); } + md_rdev_init(rdev); if ((err = alloc_disk_sb(rdev))) goto abort_free; @@ -2727,18 +2795,6 @@ static mdk_rdev_t *md_import_device(dev_t newdev, int super_format, int super_mi kobject_init(&rdev->kobj, &rdev_ktype); - rdev->desc_nr = -1; - rdev->saved_raid_disk = -1; - rdev->raid_disk = -1; - rdev->flags = 0; - rdev->data_offset = 0; - rdev->sb_events = 0; - rdev->last_read_error.tv_sec = 0; - rdev->last_read_error.tv_nsec = 0; - atomic_set(&rdev->nr_pending, 0); - atomic_set(&rdev->read_errors, 0); - atomic_set(&rdev->corrected_errors, 0); - size = rdev->bdev->bd_inode->i_size >> BLOCK_SIZE_BITS; if (!size) { printk(KERN_WARNING @@ -2767,9 +2823,6 @@ static mdk_rdev_t *md_import_device(dev_t newdev, int super_format, int super_mi } } - INIT_LIST_HEAD(&rdev->same_set); - init_waitqueue_head(&rdev->blocked_wait); - return rdev; abort_free: @@ -2960,7 +3013,9 @@ level_store(mddev_t *mddev, const char *buf, size_t len) * - new personality will access other array. */ - if (mddev->sync_thread || mddev->reshape_position != MaxSector) + if (mddev->sync_thread || + mddev->reshape_position != MaxSector || + mddev->sysfs_active) return -EBUSY; if (!mddev->pers->quiesce) { @@ -3437,7 +3492,7 @@ array_state_store(mddev_t *mddev, const char *buf, size_t len) if (err) return err; else { - sysfs_notify_dirent(mddev->sysfs_state); + sysfs_notify_dirent_safe(mddev->sysfs_state); return len; } } @@ -3735,7 +3790,7 @@ action_store(mddev_t *mddev, const char *page, size_t len) } set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); md_wakeup_thread(mddev->thread); - sysfs_notify_dirent(mddev->sysfs_action); + sysfs_notify_dirent_safe(mddev->sysfs_action); return len; } @@ -4281,13 +4336,14 @@ static int md_alloc(dev_t dev, char *name) disk->disk_name); error = 0; } - if (sysfs_create_group(&mddev->kobj, &md_bitmap_group)) + if (mddev->kobj.sd && + sysfs_create_group(&mddev->kobj, &md_bitmap_group)) printk(KERN_DEBUG "pointless warning\n"); abort: mutex_unlock(&disks_mutex); - if (!error) { + if (!error && mddev->kobj.sd) { kobject_uevent(&mddev->kobj, KOBJ_ADD); - mddev->sysfs_state = sysfs_get_dirent(mddev->kobj.sd, NULL, "array_state"); + mddev->sysfs_state = sysfs_get_dirent_safe(mddev->kobj.sd, "array_state"); } mddev_put(mddev); return error; @@ -4325,14 +4381,14 @@ static void md_safemode_timeout(unsigned long data) if (!atomic_read(&mddev->writes_pending)) { mddev->safemode = 1; if (mddev->external) - sysfs_notify_dirent(mddev->sysfs_state); + sysfs_notify_dirent_safe(mddev->sysfs_state); } md_wakeup_thread(mddev->thread); } static int start_dirty_degraded; -static int md_run(mddev_t *mddev) +int md_run(mddev_t *mddev) { int err; mdk_rdev_t *rdev; @@ -4344,13 +4400,9 @@ static int md_run(mddev_t *mddev) if (mddev->pers) return -EBUSY; - - /* These two calls synchronise us with the - * sysfs_remove_group calls in mddev_unlock, - * so they must have completed. - */ - mutex_lock(&mddev->open_mutex); - mutex_unlock(&mddev->open_mutex); + /* Cannot run until previous stop completes properly */ + if (mddev->sysfs_active) + return -EBUSY; /* * Analyze all RAID superblock(s) @@ -4397,7 +4449,7 @@ static int md_run(mddev_t *mddev) return -EINVAL; } } - sysfs_notify_dirent(rdev->sysfs_state); + sysfs_notify_dirent_safe(rdev->sysfs_state); } spin_lock(&pers_lock); @@ -4496,11 +4548,12 @@ static int md_run(mddev_t *mddev) return err; } if (mddev->pers->sync_request) { - if (sysfs_create_group(&mddev->kobj, &md_redundancy_group)) + if (mddev->kobj.sd && + sysfs_create_group(&mddev->kobj, &md_redundancy_group)) printk(KERN_WARNING "md: cannot register extra attributes for %s\n", mdname(mddev)); - mddev->sysfs_action = sysfs_get_dirent(mddev->kobj.sd, NULL, "sync_action"); + mddev->sysfs_action = sysfs_get_dirent_safe(mddev->kobj.sd, "sync_action"); } else if (mddev->ro == 2) /* auto-readonly not meaningful */ mddev->ro = 0; @@ -4518,8 +4571,7 @@ static int md_run(mddev_t *mddev) char nm[20]; sprintf(nm, "rd%d", rdev->raid_disk); if (sysfs_create_link(&mddev->kobj, &rdev->kobj, nm)) - printk("md: cannot register %s for %s\n", - nm, mdname(mddev)); + /* failure here is OK */; } set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); @@ -4531,12 +4583,12 @@ static int md_run(mddev_t *mddev) md_wakeup_thread(mddev->sync_thread); /* possibly kick off a reshape */ md_new_event(mddev); - sysfs_notify_dirent(mddev->sysfs_state); - if (mddev->sysfs_action) - sysfs_notify_dirent(mddev->sysfs_action); + sysfs_notify_dirent_safe(mddev->sysfs_state); + sysfs_notify_dirent_safe(mddev->sysfs_action); sysfs_notify(&mddev->kobj, NULL, "degraded"); return 0; } +EXPORT_SYMBOL_GPL(md_run); static int do_md_run(mddev_t *mddev) { @@ -4545,7 +4597,11 @@ static int do_md_run(mddev_t *mddev) err = md_run(mddev); if (err) goto out; - + err = bitmap_load(mddev); + if (err) { + bitmap_destroy(mddev); + goto out; + } set_capacity(mddev->gendisk, mddev->array_sectors); revalidate_disk(mddev->gendisk); kobject_uevent(&disk_to_dev(mddev->gendisk)->kobj, KOBJ_CHANGE); @@ -4573,7 +4629,7 @@ static int restart_array(mddev_t *mddev) set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); md_wakeup_thread(mddev->thread); md_wakeup_thread(mddev->sync_thread); - sysfs_notify_dirent(mddev->sysfs_state); + sysfs_notify_dirent_safe(mddev->sysfs_state); return 0; } @@ -4644,9 +4700,10 @@ static void md_clean(mddev_t *mddev) mddev->bitmap_info.chunksize = 0; mddev->bitmap_info.daemon_sleep = 0; mddev->bitmap_info.max_write_behind = 0; + mddev->plug = NULL; } -static void md_stop_writes(mddev_t *mddev) +void md_stop_writes(mddev_t *mddev) { if (mddev->sync_thread) { set_bit(MD_RECOVERY_FROZEN, &mddev->recovery); @@ -4666,11 +4723,10 @@ static void md_stop_writes(mddev_t *mddev) md_update_sb(mddev, 1); } } +EXPORT_SYMBOL_GPL(md_stop_writes); -static void md_stop(mddev_t *mddev) +void md_stop(mddev_t *mddev) { - md_stop_writes(mddev); - mddev->pers->stop(mddev); if (mddev->pers->sync_request && mddev->to_remove == NULL) mddev->to_remove = &md_redundancy_group; @@ -4678,6 +4734,7 @@ static void md_stop(mddev_t *mddev) mddev->pers = NULL; clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); } +EXPORT_SYMBOL_GPL(md_stop); static int md_set_readonly(mddev_t *mddev, int is_open) { @@ -4697,7 +4754,7 @@ static int md_set_readonly(mddev_t *mddev, int is_open) mddev->ro = 1; set_disk_ro(mddev->gendisk, 1); clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); - sysfs_notify_dirent(mddev->sysfs_state); + sysfs_notify_dirent_safe(mddev->sysfs_state); err = 0; } out: @@ -4711,26 +4768,29 @@ out: */ static int do_md_stop(mddev_t * mddev, int mode, int is_open) { - int err = 0; struct gendisk *disk = mddev->gendisk; mdk_rdev_t *rdev; mutex_lock(&mddev->open_mutex); - if (atomic_read(&mddev->openers) > is_open) { + if (atomic_read(&mddev->openers) > is_open || + mddev->sysfs_active) { printk("md: %s still in use.\n",mdname(mddev)); - err = -EBUSY; - } else if (mddev->pers) { + mutex_unlock(&mddev->open_mutex); + return -EBUSY; + } + if (mddev->pers) { if (mddev->ro) set_disk_ro(disk, 0); + md_stop_writes(mddev); md_stop(mddev); mddev->queue->merge_bvec_fn = NULL; mddev->queue->unplug_fn = NULL; mddev->queue->backing_dev_info.congested_fn = NULL; /* tell userspace to handle 'inactive' */ - sysfs_notify_dirent(mddev->sysfs_state); + sysfs_notify_dirent_safe(mddev->sysfs_state); list_for_each_entry(rdev, &mddev->disks, same_set) if (rdev->raid_disk >= 0) { @@ -4740,21 +4800,17 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open) } set_capacity(disk, 0); + mutex_unlock(&mddev->open_mutex); revalidate_disk(disk); if (mddev->ro) mddev->ro = 0; - - err = 0; - } - mutex_unlock(&mddev->open_mutex); - if (err) - return err; + } else + mutex_unlock(&mddev->open_mutex); /* * Free resources if final stop */ if (mode == 0) { - printk(KERN_INFO "md: %s stopped.\n", mdname(mddev)); bitmap_destroy(mddev); @@ -4771,13 +4827,11 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open) kobject_uevent(&disk_to_dev(mddev->gendisk)->kobj, KOBJ_CHANGE); if (mddev->hold_active == UNTIL_STOP) mddev->hold_active = 0; - } - err = 0; blk_integrity_unregister(disk); md_new_event(mddev); - sysfs_notify_dirent(mddev->sysfs_state); - return err; + sysfs_notify_dirent_safe(mddev->sysfs_state); + return 0; } #ifndef MODULE @@ -5138,7 +5192,7 @@ static int add_new_disk(mddev_t * mddev, mdu_disk_info_t *info) if (err) export_rdev(rdev); else - sysfs_notify_dirent(rdev->sysfs_state); + sysfs_notify_dirent_safe(rdev->sysfs_state); md_update_sb(mddev, 1); if (mddev->degraded) @@ -5331,8 +5385,11 @@ static int set_bitmap_file(mddev_t *mddev, int fd) err = 0; if (mddev->pers) { mddev->pers->quiesce(mddev, 1); - if (fd >= 0) + if (fd >= 0) { err = bitmap_create(mddev); + if (!err) + err = bitmap_load(mddev); + } if (fd < 0 || err) { bitmap_destroy(mddev); fd = -1; /* make sure to put the file */ @@ -5581,6 +5638,8 @@ static int update_array_info(mddev_t *mddev, mdu_array_info_t *info) mddev->bitmap_info.default_offset; mddev->pers->quiesce(mddev, 1); rv = bitmap_create(mddev); + if (!rv) + rv = bitmap_load(mddev); if (rv) bitmap_destroy(mddev); mddev->pers->quiesce(mddev, 0); @@ -5813,7 +5872,7 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode, if (_IOC_TYPE(cmd) == MD_MAJOR && mddev->ro && mddev->pers) { if (mddev->ro == 2) { mddev->ro = 0; - sysfs_notify_dirent(mddev->sysfs_state); + sysfs_notify_dirent_safe(mddev->sysfs_state); set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); md_wakeup_thread(mddev->thread); } else { @@ -5902,6 +5961,7 @@ static int md_open(struct block_device *bdev, fmode_t mode) mddev_t *mddev = mddev_find(bdev->bd_dev); int err; + lock_kernel(); if (mddev->gendisk != bdev->bd_disk) { /* we are racing with mddev_put which is discarding this * bd_disk. @@ -5910,6 +5970,7 @@ static int md_open(struct block_device *bdev, fmode_t mode) /* Wait until bdev->bd_disk is definitely gone */ flush_scheduled_work(); /* Then retry the open from the top */ + unlock_kernel(); return -ERESTARTSYS; } BUG_ON(mddev != bdev->bd_disk->private_data); @@ -5923,6 +5984,7 @@ static int md_open(struct block_device *bdev, fmode_t mode) check_disk_size_change(mddev->gendisk, bdev); out: + unlock_kernel(); return err; } @@ -5931,8 +5993,10 @@ static int md_release(struct gendisk *disk, fmode_t mode) mddev_t *mddev = disk->private_data; BUG_ON(!mddev); + lock_kernel(); atomic_dec(&mddev->openers); mddev_put(mddev); + unlock_kernel(); return 0; } @@ -6059,10 +6123,12 @@ void md_error(mddev_t *mddev, mdk_rdev_t *rdev) mddev->pers->error_handler(mddev,rdev); if (mddev->degraded) set_bit(MD_RECOVERY_RECOVER, &mddev->recovery); - sysfs_notify_dirent(rdev->sysfs_state); + sysfs_notify_dirent_safe(rdev->sysfs_state); set_bit(MD_RECOVERY_INTR, &mddev->recovery); set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); md_wakeup_thread(mddev->thread); + if (mddev->event_work.func) + schedule_work(&mddev->event_work); md_new_event_inintr(mddev); } @@ -6520,7 +6586,7 @@ void md_write_start(mddev_t *mddev, struct bio *bi) spin_unlock_irq(&mddev->write_lock); } if (did_change) - sysfs_notify_dirent(mddev->sysfs_state); + sysfs_notify_dirent_safe(mddev->sysfs_state); wait_event(mddev->sb_wait, !test_bit(MD_CHANGE_CLEAN, &mddev->flags) && !test_bit(MD_CHANGE_PENDING, &mddev->flags)); @@ -6563,7 +6629,7 @@ int md_allow_write(mddev_t *mddev) mddev->safemode = 1; spin_unlock_irq(&mddev->write_lock); md_update_sb(mddev, 0); - sysfs_notify_dirent(mddev->sysfs_state); + sysfs_notify_dirent_safe(mddev->sysfs_state); } else spin_unlock_irq(&mddev->write_lock); @@ -6574,6 +6640,14 @@ int md_allow_write(mddev_t *mddev) } EXPORT_SYMBOL_GPL(md_allow_write); +void md_unplug(mddev_t *mddev) +{ + if (mddev->queue) + blk_unplug(mddev->queue); + if (mddev->plug) + mddev->plug->unplug_fn(mddev->plug); +} + #define SYNC_MARKS 10 #define SYNC_MARK_STEP (3*HZ) void md_do_sync(mddev_t *mddev) @@ -6752,12 +6826,13 @@ void md_do_sync(mddev_t *mddev) >= mddev->resync_max - mddev->curr_resync_completed )) { /* time to update curr_resync_completed */ - blk_unplug(mddev->queue); + md_unplug(mddev); wait_event(mddev->recovery_wait, atomic_read(&mddev->recovery_active) == 0); mddev->curr_resync_completed = mddev->curr_resync; - set_bit(MD_CHANGE_CLEAN, &mddev->flags); + if (mddev->persistent) + set_bit(MD_CHANGE_CLEAN, &mddev->flags); sysfs_notify(&mddev->kobj, NULL, "sync_completed"); } @@ -6829,7 +6904,7 @@ void md_do_sync(mddev_t *mddev) * about not overloading the IO subsystem. (things like an * e2fsck being done on the RAID array should execute fast) */ - blk_unplug(mddev->queue); + md_unplug(mddev); cond_resched(); currspeed = ((unsigned long)(io_sectors-mddev->resync_mark_cnt))/2 @@ -6848,7 +6923,7 @@ void md_do_sync(mddev_t *mddev) * this also signals 'finished resyncing' to md_stop */ out: - blk_unplug(mddev->queue); + md_unplug(mddev); wait_event(mddev->recovery_wait, !atomic_read(&mddev->recovery_active)); @@ -6950,10 +7025,7 @@ static int remove_and_add_spares(mddev_t *mddev) sprintf(nm, "rd%d", rdev->raid_disk); if (sysfs_create_link(&mddev->kobj, &rdev->kobj, nm)) - printk(KERN_WARNING - "md: cannot register " - "%s for %s\n", - nm, mdname(mddev)); + /* failure here is OK */; spares++; md_new_event(mddev); set_bit(MD_CHANGE_DEVS, &mddev->flags); @@ -7046,7 +7118,7 @@ void md_check_recovery(mddev_t *mddev) mddev->safemode = 0; spin_unlock_irq(&mddev->write_lock); if (did_change) - sysfs_notify_dirent(mddev->sysfs_state); + sysfs_notify_dirent_safe(mddev->sysfs_state); } if (mddev->flags) @@ -7085,7 +7157,7 @@ void md_check_recovery(mddev_t *mddev) mddev->recovery = 0; /* flag recovery needed just to double check */ set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); - sysfs_notify_dirent(mddev->sysfs_action); + sysfs_notify_dirent_safe(mddev->sysfs_action); md_new_event(mddev); goto unlock; } @@ -7147,7 +7219,7 @@ void md_check_recovery(mddev_t *mddev) mddev->recovery = 0; } else md_wakeup_thread(mddev->sync_thread); - sysfs_notify_dirent(mddev->sysfs_action); + sysfs_notify_dirent_safe(mddev->sysfs_action); md_new_event(mddev); } unlock: @@ -7156,7 +7228,7 @@ void md_check_recovery(mddev_t *mddev) if (test_and_clear_bit(MD_RECOVERY_RECOVER, &mddev->recovery)) if (mddev->sysfs_action) - sysfs_notify_dirent(mddev->sysfs_action); + sysfs_notify_dirent_safe(mddev->sysfs_action); } mddev_unlock(mddev); } @@ -7164,7 +7236,7 @@ void md_check_recovery(mddev_t *mddev) void md_wait_for_blocked_rdev(mdk_rdev_t *rdev, mddev_t *mddev) { - sysfs_notify_dirent(rdev->sysfs_state); + sysfs_notify_dirent_safe(rdev->sysfs_state); wait_event_timeout(rdev->blocked_wait, !test_bit(Blocked, &rdev->flags), msecs_to_jiffies(5000)); diff --git a/drivers/md/md.h b/drivers/md/md.h index 10597bf..a953fe2 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -29,6 +29,26 @@ typedef struct mddev_s mddev_t; typedef struct mdk_rdev_s mdk_rdev_t; +/* generic plugging support - like that provided with request_queue, + * but does not require a request_queue + */ +struct plug_handle { + void (*unplug_fn)(struct plug_handle *); + struct timer_list unplug_timer; + struct work_struct unplug_work; + unsigned long unplug_flag; +}; +#define PLUGGED_FLAG 1 +void plugger_init(struct plug_handle *plug, + void (*unplug_fn)(struct plug_handle *)); +void plugger_set_plug(struct plug_handle *plug); +int plugger_remove_plug(struct plug_handle *plug); +static inline void plugger_flush(struct plug_handle *plug) +{ + del_timer_sync(&plug->unplug_timer); + cancel_work_sync(&plug->unplug_work); +} + /* * MD's 'extended' device */ @@ -67,7 +87,7 @@ struct mdk_rdev_s #define Faulty 1 /* device is known to have a fault */ #define In_sync 2 /* device is in_sync with rest of array */ #define WriteMostly 4 /* Avoid reading if at all possible */ -#define BarriersNotsupp 5 /* BIO_RW_BARRIER is not supported */ +#define BarriersNotsupp 5 /* REQ_HARDBARRIER is not supported */ #define AllReserved 6 /* If whole device is reserved for * one array */ #define AutoDetected 7 /* added by auto-detect */ @@ -125,6 +145,10 @@ struct mddev_s int suspended; atomic_t active_io; int ro; + int sysfs_active; /* set when sysfs deletes + * are happening, so run/ + * takeover/stop are not safe + */ struct gendisk *gendisk; @@ -254,7 +278,7 @@ struct mddev_s * fails. Only supported */ struct bio *biolist; /* bios that need to be retried - * because BIO_RW_BARRIER is not supported + * because REQ_HARDBARRIER is not supported */ atomic_t recovery_active; /* blocks scheduled, but not written */ @@ -297,9 +321,14 @@ struct mddev_s * hot-adding a bitmap. It should * eventually be settable by sysfs. */ + /* When md is serving under dm, it might use a + * dirty_log to store the bits. + */ + struct dm_dirty_log *log; + struct mutex mutex; unsigned long chunksize; - unsigned long daemon_sleep; /* how many seconds between updates? */ + unsigned long daemon_sleep; /* how many jiffies between updates? */ unsigned long max_write_behind; /* write-behind mode */ int external; } bitmap_info; @@ -308,6 +337,8 @@ struct mddev_s struct list_head all_mddevs; struct attribute_group *to_remove; + struct plug_handle *plug; /* if used by personality */ + /* Generic barrier handling. * If there is a pending barrier request, all other * writes are blocked while the devices are flushed. @@ -318,6 +349,7 @@ struct mddev_s struct bio *barrier; atomic_t flush_pending; struct work_struct barrier_work; + struct work_struct event_work; /* used by dm to report failure event */ }; @@ -382,6 +414,18 @@ struct md_sysfs_entry { }; extern struct attribute_group md_bitmap_group; +static inline struct sysfs_dirent *sysfs_get_dirent_safe(struct sysfs_dirent *sd, char *name) +{ + if (sd) + return sysfs_get_dirent(sd, NULL, name); + return sd; +} +static inline void sysfs_notify_dirent_safe(struct sysfs_dirent *sd) +{ + if (sd) + sysfs_notify_dirent(sd); +} + static inline char * mdname (mddev_t * mddev) { return mddev->gendisk ? mddev->gendisk->disk_name : "mdX"; @@ -474,5 +518,14 @@ extern int md_integrity_register(mddev_t *mddev); extern void md_integrity_add_rdev(mdk_rdev_t *rdev, mddev_t *mddev); extern int strict_strtoul_scaled(const char *cp, unsigned long *res, int scale); extern void restore_bitmap_write_access(struct file *file); +extern void md_unplug(mddev_t *mddev); + +extern void mddev_init(mddev_t *mddev); +extern int md_run(mddev_t *mddev); +extern void md_stop(mddev_t *mddev); +extern void md_stop_writes(mddev_t *mddev); +extern void md_rdev_init(mdk_rdev_t *rdev); +extern void mddev_suspend(mddev_t *mddev); +extern void mddev_resume(mddev_t *mddev); #endif /* _MD_MD_H */ diff --git a/drivers/md/mktables.c b/drivers/md/mktables.c deleted file mode 100644 index 3b15008..0000000 --- a/drivers/md/mktables.c +++ /dev/null @@ -1,132 +0,0 @@ -/* -*- linux-c -*- ------------------------------------------------------- * - * - * Copyright 2002-2007 H. Peter Anvin - All Rights Reserved - * - * This file is part of the Linux kernel, and is made available under - * the terms of the GNU General Public License version 2 or (at your - * option) any later version; incorporated herein by reference. - * - * ----------------------------------------------------------------------- */ - -/* - * mktables.c - * - * Make RAID-6 tables. This is a host user space program to be run at - * compile time. - */ - -#include <stdio.h> -#include <string.h> -#include <inttypes.h> -#include <stdlib.h> -#include <time.h> - -static uint8_t gfmul(uint8_t a, uint8_t b) -{ - uint8_t v = 0; - - while (b) { - if (b & 1) - v ^= a; - a = (a << 1) ^ (a & 0x80 ? 0x1d : 0); - b >>= 1; - } - - return v; -} - -static uint8_t gfpow(uint8_t a, int b) -{ - uint8_t v = 1; - - b %= 255; - if (b < 0) - b += 255; - - while (b) { - if (b & 1) - v = gfmul(v, a); - a = gfmul(a, a); - b >>= 1; - } - - return v; -} - -int main(int argc, char *argv[]) -{ - int i, j, k; - uint8_t v; - uint8_t exptbl[256], invtbl[256]; - - printf("#include <linux/raid/pq.h>\n"); - - /* Compute multiplication table */ - printf("\nconst u8 __attribute__((aligned(256)))\n" - "raid6_gfmul[256][256] =\n" - "{\n"); - for (i = 0; i < 256; i++) { - printf("\t{\n"); - for (j = 0; j < 256; j += 8) { - printf("\t\t"); - for (k = 0; k < 8; k++) - printf("0x%02x,%c", gfmul(i, j + k), - (k == 7) ? '\n' : ' '); - } - printf("\t},\n"); - } - printf("};\n"); - printf("#ifdef __KERNEL__\n"); - printf("EXPORT_SYMBOL(raid6_gfmul);\n"); - printf("#endif\n"); - - /* Compute power-of-2 table (exponent) */ - v = 1; - printf("\nconst u8 __attribute__((aligned(256)))\n" - "raid6_gfexp[256] =\n" "{\n"); - for (i = 0; i < 256; i += 8) { - printf("\t"); - for (j = 0; j < 8; j++) { - exptbl[i + j] = v; - printf("0x%02x,%c", v, (j == 7) ? '\n' : ' '); - v = gfmul(v, 2); - if (v == 1) - v = 0; /* For entry 255, not a real entry */ - } - } - printf("};\n"); - printf("#ifdef __KERNEL__\n"); - printf("EXPORT_SYMBOL(raid6_gfexp);\n"); - printf("#endif\n"); - - /* Compute inverse table x^-1 == x^254 */ - printf("\nconst u8 __attribute__((aligned(256)))\n" - "raid6_gfinv[256] =\n" "{\n"); - for (i = 0; i < 256; i += 8) { - printf("\t"); - for (j = 0; j < 8; j++) { - invtbl[i + j] = v = gfpow(i + j, 254); - printf("0x%02x,%c", v, (j == 7) ? '\n' : ' '); - } - } - printf("};\n"); - printf("#ifdef __KERNEL__\n"); - printf("EXPORT_SYMBOL(raid6_gfinv);\n"); - printf("#endif\n"); - - /* Compute inv(2^x + 1) (exponent-xor-inverse) table */ - printf("\nconst u8 __attribute__((aligned(256)))\n" - "raid6_gfexi[256] =\n" "{\n"); - for (i = 0; i < 256; i += 8) { - printf("\t"); - for (j = 0; j < 8; j++) - printf("0x%02x,%c", invtbl[exptbl[i + j] ^ 1], - (j == 7) ? '\n' : ' '); - } - printf("};\n"); - printf("#ifdef __KERNEL__\n"); - printf("EXPORT_SYMBOL(raid6_gfexi);\n"); - printf("#endif\n"); - - return 0; -} diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c index 410fb60..0307d21 100644 --- a/drivers/md/multipath.c +++ b/drivers/md/multipath.c @@ -91,7 +91,7 @@ static void multipath_end_request(struct bio *bio, int error) if (uptodate) multipath_end_bh_io(mp_bh, 0); - else if (!bio_rw_flagged(bio, BIO_RW_AHEAD)) { + else if (!(bio->bi_rw & REQ_RAHEAD)) { /* * oops, IO error: */ @@ -142,7 +142,7 @@ static int multipath_make_request(mddev_t *mddev, struct bio * bio) struct multipath_bh * mp_bh; struct multipath_info *multipath; - if (unlikely(bio_rw_flagged(bio, BIO_RW_BARRIER))) { + if (unlikely(bio->bi_rw & REQ_HARDBARRIER)) { md_barrier_request(mddev, bio); return 0; } @@ -163,7 +163,7 @@ static int multipath_make_request(mddev_t *mddev, struct bio * bio) mp_bh->bio = *bio; mp_bh->bio.bi_sector += multipath->rdev->data_offset; mp_bh->bio.bi_bdev = multipath->rdev->bdev; - mp_bh->bio.bi_rw |= (1 << BIO_RW_FAILFAST_TRANSPORT); + mp_bh->bio.bi_rw |= REQ_FAILFAST_TRANSPORT; mp_bh->bio.bi_end_io = multipath_end_request; mp_bh->bio.bi_private = mp_bh; generic_make_request(&mp_bh->bio); @@ -398,7 +398,7 @@ static void multipathd (mddev_t *mddev) *bio = *(mp_bh->master_bio); bio->bi_sector += conf->multipaths[mp_bh->path].rdev->data_offset; bio->bi_bdev = conf->multipaths[mp_bh->path].rdev->bdev; - bio->bi_rw |= (1 << BIO_RW_FAILFAST_TRANSPORT); + bio->bi_rw |= REQ_FAILFAST_TRANSPORT; bio->bi_end_io = multipath_end_request; bio->bi_private = mp_bh; generic_make_request(bio); diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 563abed..6f7af46 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -483,7 +483,7 @@ static int raid0_make_request(mddev_t *mddev, struct bio *bio) struct strip_zone *zone; mdk_rdev_t *tmp_dev; - if (unlikely(bio_rw_flagged(bio, BIO_RW_BARRIER))) { + if (unlikely(bio->bi_rw & REQ_HARDBARRIER)) { md_barrier_request(mddev, bio); return 0; } diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index a948da8..73cc74f 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -787,7 +787,7 @@ static int make_request(mddev_t *mddev, struct bio * bio) struct bio_list bl; struct page **behind_pages = NULL; const int rw = bio_data_dir(bio); - const bool do_sync = bio_rw_flagged(bio, BIO_RW_SYNCIO); + const bool do_sync = (bio->bi_rw & REQ_SYNC); bool do_barriers; mdk_rdev_t *blocked_rdev; @@ -822,7 +822,7 @@ static int make_request(mddev_t *mddev, struct bio * bio) finish_wait(&conf->wait_barrier, &w); } if (unlikely(!mddev->barriers_work && - bio_rw_flagged(bio, BIO_RW_BARRIER))) { + (bio->bi_rw & REQ_HARDBARRIER))) { if (rw == WRITE) md_write_end(mddev); bio_endio(bio, -EOPNOTSUPP); @@ -877,7 +877,7 @@ static int make_request(mddev_t *mddev, struct bio * bio) read_bio->bi_sector = r1_bio->sector + mirror->rdev->data_offset; read_bio->bi_bdev = mirror->rdev->bdev; read_bio->bi_end_io = raid1_end_read_request; - read_bio->bi_rw = READ | (do_sync << BIO_RW_SYNCIO); + read_bio->bi_rw = READ | do_sync; read_bio->bi_private = r1_bio; generic_make_request(read_bio); @@ -959,7 +959,7 @@ static int make_request(mddev_t *mddev, struct bio * bio) atomic_set(&r1_bio->remaining, 0); atomic_set(&r1_bio->behind_remaining, 0); - do_barriers = bio_rw_flagged(bio, BIO_RW_BARRIER); + do_barriers = bio->bi_rw & REQ_HARDBARRIER; if (do_barriers) set_bit(R1BIO_Barrier, &r1_bio->state); @@ -975,8 +975,7 @@ static int make_request(mddev_t *mddev, struct bio * bio) mbio->bi_sector = r1_bio->sector + conf->mirrors[i].rdev->data_offset; mbio->bi_bdev = conf->mirrors[i].rdev->bdev; mbio->bi_end_io = raid1_end_write_request; - mbio->bi_rw = WRITE | (do_barriers << BIO_RW_BARRIER) | - (do_sync << BIO_RW_SYNCIO); + mbio->bi_rw = WRITE | do_barriers | do_sync; mbio->bi_private = r1_bio; if (behind_pages) { @@ -1633,7 +1632,7 @@ static void raid1d(mddev_t *mddev) sync_request_write(mddev, r1_bio); unplug = 1; } else if (test_bit(R1BIO_BarrierRetry, &r1_bio->state)) { - /* some requests in the r1bio were BIO_RW_BARRIER + /* some requests in the r1bio were REQ_HARDBARRIER * requests which failed with -EOPNOTSUPP. Hohumm.. * Better resubmit without the barrier. * We know which devices to resubmit for, because @@ -1641,7 +1640,7 @@ static void raid1d(mddev_t *mddev) * We already have a nr_pending reference on these rdevs. */ int i; - const bool do_sync = bio_rw_flagged(r1_bio->master_bio, BIO_RW_SYNCIO); + const bool do_sync = (r1_bio->master_bio->bi_rw & REQ_SYNC); clear_bit(R1BIO_BarrierRetry, &r1_bio->state); clear_bit(R1BIO_Barrier, &r1_bio->state); for (i=0; i < conf->raid_disks; i++) @@ -1662,8 +1661,7 @@ static void raid1d(mddev_t *mddev) conf->mirrors[i].rdev->data_offset; bio->bi_bdev = conf->mirrors[i].rdev->bdev; bio->bi_end_io = raid1_end_write_request; - bio->bi_rw = WRITE | - (do_sync << BIO_RW_SYNCIO); + bio->bi_rw = WRITE | do_sync; bio->bi_private = r1_bio; r1_bio->bios[i] = bio; generic_make_request(bio); @@ -1698,7 +1696,7 @@ static void raid1d(mddev_t *mddev) (unsigned long long)r1_bio->sector); raid_end_bio_io(r1_bio); } else { - const bool do_sync = bio_rw_flagged(r1_bio->master_bio, BIO_RW_SYNCIO); + const bool do_sync = r1_bio->master_bio->bi_rw & REQ_SYNC; r1_bio->bios[r1_bio->read_disk] = mddev->ro ? IO_BLOCKED : NULL; r1_bio->read_disk = disk; @@ -1715,7 +1713,7 @@ static void raid1d(mddev_t *mddev) bio->bi_sector = r1_bio->sector + rdev->data_offset; bio->bi_bdev = rdev->bdev; bio->bi_end_io = raid1_end_read_request; - bio->bi_rw = READ | (do_sync << BIO_RW_SYNCIO); + bio->bi_rw = READ | do_sync; bio->bi_private = r1_bio; unplug = 1; generic_make_request(bio); diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 42e64e4..a88aeb5 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -799,12 +799,12 @@ static int make_request(mddev_t *mddev, struct bio * bio) int i; int chunk_sects = conf->chunk_mask + 1; const int rw = bio_data_dir(bio); - const bool do_sync = bio_rw_flagged(bio, BIO_RW_SYNCIO); + const bool do_sync = (bio->bi_rw & REQ_SYNC); struct bio_list bl; unsigned long flags; mdk_rdev_t *blocked_rdev; - if (unlikely(bio_rw_flagged(bio, BIO_RW_BARRIER))) { + if (unlikely(bio->bi_rw & REQ_HARDBARRIER)) { md_barrier_request(mddev, bio); return 0; } @@ -825,11 +825,29 @@ static int make_request(mddev_t *mddev, struct bio * bio) */ bp = bio_split(bio, chunk_sects - (bio->bi_sector & (chunk_sects - 1)) ); + + /* Each of these 'make_request' calls will call 'wait_barrier'. + * If the first succeeds but the second blocks due to the resync + * thread raising the barrier, we will deadlock because the + * IO to the underlying device will be queued in generic_make_request + * and will never complete, so will never reduce nr_pending. + * So increment nr_waiting here so no new raise_barriers will + * succeed, and so the second wait_barrier cannot block. + */ + spin_lock_irq(&conf->resync_lock); + conf->nr_waiting++; + spin_unlock_irq(&conf->resync_lock); + if (make_request(mddev, &bp->bio1)) generic_make_request(&bp->bio1); if (make_request(mddev, &bp->bio2)) generic_make_request(&bp->bio2); + spin_lock_irq(&conf->resync_lock); + conf->nr_waiting--; + wake_up(&conf->wait_barrier); + spin_unlock_irq(&conf->resync_lock); + bio_pair_release(bp); return 0; bad_map: @@ -879,7 +897,7 @@ static int make_request(mddev_t *mddev, struct bio * bio) mirror->rdev->data_offset; read_bio->bi_bdev = mirror->rdev->bdev; read_bio->bi_end_io = raid10_end_read_request; - read_bio->bi_rw = READ | (do_sync << BIO_RW_SYNCIO); + read_bio->bi_rw = READ | do_sync; read_bio->bi_private = r10_bio; generic_make_request(read_bio); @@ -947,7 +965,7 @@ static int make_request(mddev_t *mddev, struct bio * bio) conf->mirrors[d].rdev->data_offset; mbio->bi_bdev = conf->mirrors[d].rdev->bdev; mbio->bi_end_io = raid10_end_write_request; - mbio->bi_rw = WRITE | (do_sync << BIO_RW_SYNCIO); + mbio->bi_rw = WRITE | do_sync; mbio->bi_private = r10_bio; atomic_inc(&r10_bio->remaining); @@ -1716,7 +1734,7 @@ static void raid10d(mddev_t *mddev) raid_end_bio_io(r10_bio); bio_put(bio); } else { - const bool do_sync = bio_rw_flagged(r10_bio->master_bio, BIO_RW_SYNCIO); + const bool do_sync = (r10_bio->master_bio->bi_rw & REQ_SYNC); bio_put(bio); rdev = conf->mirrors[mirror].rdev; if (printk_ratelimit()) @@ -1730,7 +1748,7 @@ static void raid10d(mddev_t *mddev) bio->bi_sector = r10_bio->devs[r10_bio->read_slot].addr + rdev->data_offset; bio->bi_bdev = rdev->bdev; - bio->bi_rw = READ | (do_sync << BIO_RW_SYNCIO); + bio->bi_rw = READ | do_sync; bio->bi_private = r10_bio; bio->bi_end_io = raid10_end_read_request; unplug = 1; diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 96c6902..866d4b5 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -201,11 +201,11 @@ static void __release_stripe(raid5_conf_t *conf, struct stripe_head *sh) if (test_bit(STRIPE_HANDLE, &sh->state)) { if (test_bit(STRIPE_DELAYED, &sh->state)) { list_add_tail(&sh->lru, &conf->delayed_list); - blk_plug_device(conf->mddev->queue); + plugger_set_plug(&conf->plug); } else if (test_bit(STRIPE_BIT_DELAY, &sh->state) && sh->bm_seq - conf->seq_write > 0) { list_add_tail(&sh->lru, &conf->bitmap_list); - blk_plug_device(conf->mddev->queue); + plugger_set_plug(&conf->plug); } else { clear_bit(STRIPE_BIT_DELAY, &sh->state); list_add_tail(&sh->lru, &conf->handle_list); @@ -434,7 +434,6 @@ static int has_failed(raid5_conf_t *conf) } static void unplug_slaves(mddev_t *mddev); -static void raid5_unplug_device(struct request_queue *q); static struct stripe_head * get_active_stripe(raid5_conf_t *conf, sector_t sector, @@ -464,7 +463,7 @@ get_active_stripe(raid5_conf_t *conf, sector_t sector, < (conf->max_nr_stripes *3/4) || !conf->inactive_blocked), conf->device_lock, - raid5_unplug_device(conf->mddev->queue) + md_raid5_unplug_device(conf) ); conf->inactive_blocked = 0; } else @@ -1337,10 +1336,14 @@ static int grow_stripes(raid5_conf_t *conf, int num) struct kmem_cache *sc; int devs = max(conf->raid_disks, conf->previous_raid_disks); - sprintf(conf->cache_name[0], - "raid%d-%s", conf->level, mdname(conf->mddev)); - sprintf(conf->cache_name[1], - "raid%d-%s-alt", conf->level, mdname(conf->mddev)); + if (conf->mddev->gendisk) + sprintf(conf->cache_name[0], + "raid%d-%s", conf->level, mdname(conf->mddev)); + else + sprintf(conf->cache_name[0], + "raid%d-%p", conf->level, conf->mddev); + sprintf(conf->cache_name[1], "%s-alt", conf->cache_name[0]); + conf->active_name = 0; sc = kmem_cache_create(conf->cache_name[conf->active_name], sizeof(struct stripe_head)+(devs-1)*sizeof(struct r5dev), @@ -3614,7 +3617,7 @@ static void raid5_activate_delayed(raid5_conf_t *conf) list_add_tail(&sh->lru, &conf->hold_list); } } else - blk_plug_device(conf->mddev->queue); + plugger_set_plug(&conf->plug); } static void activate_bit_delay(raid5_conf_t *conf) @@ -3655,36 +3658,44 @@ static void unplug_slaves(mddev_t *mddev) rcu_read_unlock(); } -static void raid5_unplug_device(struct request_queue *q) +void md_raid5_unplug_device(raid5_conf_t *conf) { - mddev_t *mddev = q->queuedata; - raid5_conf_t *conf = mddev->private; unsigned long flags; spin_lock_irqsave(&conf->device_lock, flags); - if (blk_remove_plug(q)) { + if (plugger_remove_plug(&conf->plug)) { conf->seq_flush++; raid5_activate_delayed(conf); } - md_wakeup_thread(mddev->thread); + md_wakeup_thread(conf->mddev->thread); spin_unlock_irqrestore(&conf->device_lock, flags); - unplug_slaves(mddev); + unplug_slaves(conf->mddev); } +EXPORT_SYMBOL_GPL(md_raid5_unplug_device); -static int raid5_congested(void *data, int bits) +static void raid5_unplug(struct plug_handle *plug) +{ + raid5_conf_t *conf = container_of(plug, raid5_conf_t, plug); + md_raid5_unplug_device(conf); +} + +static void raid5_unplug_queue(struct request_queue *q) +{ + mddev_t *mddev = q->queuedata; + md_raid5_unplug_device(mddev->private); +} + +int md_raid5_congested(mddev_t *mddev, int bits) { - mddev_t *mddev = data; raid5_conf_t *conf = mddev->private; /* No difference between reads and writes. Just check * how busy the stripe_cache is */ - if (mddev_congested(mddev, bits)) - return 1; if (conf->inactive_blocked) return 1; if (conf->quiesce) @@ -3694,6 +3705,15 @@ static int raid5_congested(void *data, int bits) return 0; } +EXPORT_SYMBOL_GPL(md_raid5_congested); + +static int raid5_congested(void *data, int bits) +{ + mddev_t *mddev = data; + + return mddev_congested(mddev, bits) || + md_raid5_congested(mddev, bits); +} /* We want read requests to align with chunks where possible, * but write requests don't need to. @@ -3958,7 +3978,7 @@ static int make_request(mddev_t *mddev, struct bio * bi) const int rw = bio_data_dir(bi); int remaining; - if (unlikely(bio_rw_flagged(bi, BIO_RW_BARRIER))) { + if (unlikely(bi->bi_rw & REQ_HARDBARRIER)) { /* Drain all pending writes. We only really need * to ensure they have been submitted, but this is * easier. @@ -4075,7 +4095,7 @@ static int make_request(mddev_t *mddev, struct bio * bi) * add failed due to overlap. Flush everything * and wait a while */ - raid5_unplug_device(mddev->queue); + md_raid5_unplug_device(conf); release_stripe(sh); schedule(); goto retry; @@ -4566,23 +4586,15 @@ raid5_show_stripe_cache_size(mddev_t *mddev, char *page) return 0; } -static ssize_t -raid5_store_stripe_cache_size(mddev_t *mddev, const char *page, size_t len) +int +raid5_set_cache_size(mddev_t *mddev, int size) { raid5_conf_t *conf = mddev->private; - unsigned long new; int err; - if (len >= PAGE_SIZE) + if (size <= 16 || size > 32768) return -EINVAL; - if (!conf) - return -ENODEV; - - if (strict_strtoul(page, 10, &new)) - return -EINVAL; - if (new <= 16 || new > 32768) - return -EINVAL; - while (new < conf->max_nr_stripes) { + while (size < conf->max_nr_stripes) { if (drop_one_stripe(conf)) conf->max_nr_stripes--; else @@ -4591,11 +4603,32 @@ raid5_store_stripe_cache_size(mddev_t *mddev, const char *page, size_t len) err = md_allow_write(mddev); if (err) return err; - while (new > conf->max_nr_stripes) { + while (size > conf->max_nr_stripes) { if (grow_one_stripe(conf)) conf->max_nr_stripes++; else break; } + return 0; +} +EXPORT_SYMBOL(raid5_set_cache_size); + +static ssize_t +raid5_store_stripe_cache_size(mddev_t *mddev, const char *page, size_t len) +{ + raid5_conf_t *conf = mddev->private; + unsigned long new; + int err; + + if (len >= PAGE_SIZE) + return -EINVAL; + if (!conf) + return -ENODEV; + + if (strict_strtoul(page, 10, &new)) + return -EINVAL; + err = raid5_set_cache_size(mddev, new); + if (err) + return err; return len; } @@ -4958,7 +4991,7 @@ static int only_parity(int raid_disk, int algo, int raid_disks, int max_degraded static int run(mddev_t *mddev) { raid5_conf_t *conf; - int working_disks = 0, chunk_size; + int working_disks = 0; int dirty_parity_disks = 0; mdk_rdev_t *rdev; sector_t reshape_offset = 0; @@ -5144,42 +5177,47 @@ static int run(mddev_t *mddev) "reshape"); } - /* read-ahead size must cover two whole stripes, which is - * 2 * (datadisks) * chunksize where 'n' is the number of raid devices - */ - { - int data_disks = conf->previous_raid_disks - conf->max_degraded; - int stripe = data_disks * - ((mddev->chunk_sectors << 9) / PAGE_SIZE); - if (mddev->queue->backing_dev_info.ra_pages < 2 * stripe) - mddev->queue->backing_dev_info.ra_pages = 2 * stripe; - } /* Ok, everything is just fine now */ if (mddev->to_remove == &raid5_attrs_group) mddev->to_remove = NULL; - else if (sysfs_create_group(&mddev->kobj, &raid5_attrs_group)) + else if (mddev->kobj.sd && + sysfs_create_group(&mddev->kobj, &raid5_attrs_group)) printk(KERN_WARNING - "md/raid:%s: failed to create sysfs attributes.\n", + "raid5: failed to create sysfs attributes for %s\n", mdname(mddev)); + md_set_array_sectors(mddev, raid5_size(mddev, 0, 0)); - mddev->queue->queue_lock = &conf->device_lock; + plugger_init(&conf->plug, raid5_unplug); + mddev->plug = &conf->plug; + if (mddev->queue) { + int chunk_size; + /* read-ahead size must cover two whole stripes, which + * is 2 * (datadisks) * chunksize where 'n' is the + * number of raid devices + */ + int data_disks = conf->previous_raid_disks - conf->max_degraded; + int stripe = data_disks * + ((mddev->chunk_sectors << 9) / PAGE_SIZE); + if (mddev->queue->backing_dev_info.ra_pages < 2 * stripe) + mddev->queue->backing_dev_info.ra_pages = 2 * stripe; - mddev->queue->unplug_fn = raid5_unplug_device; - mddev->queue->backing_dev_info.congested_data = mddev; - mddev->queue->backing_dev_info.congested_fn = raid5_congested; + blk_queue_merge_bvec(mddev->queue, raid5_mergeable_bvec); - md_set_array_sectors(mddev, raid5_size(mddev, 0, 0)); + mddev->queue->backing_dev_info.congested_data = mddev; + mddev->queue->backing_dev_info.congested_fn = raid5_congested; + mddev->queue->queue_lock = &conf->device_lock; + mddev->queue->unplug_fn = raid5_unplug_queue; - blk_queue_merge_bvec(mddev->queue, raid5_mergeable_bvec); - chunk_size = mddev->chunk_sectors << 9; - blk_queue_io_min(mddev->queue, chunk_size); - blk_queue_io_opt(mddev->queue, chunk_size * - (conf->raid_disks - conf->max_degraded)); + chunk_size = mddev->chunk_sectors << 9; + blk_queue_io_min(mddev->queue, chunk_size); + blk_queue_io_opt(mddev->queue, chunk_size * + (conf->raid_disks - conf->max_degraded)); - list_for_each_entry(rdev, &mddev->disks, same_set) - disk_stack_limits(mddev->gendisk, rdev->bdev, - rdev->data_offset << 9); + list_for_each_entry(rdev, &mddev->disks, same_set) + disk_stack_limits(mddev->gendisk, rdev->bdev, + rdev->data_offset << 9); + } return 0; abort: @@ -5200,8 +5238,9 @@ static int stop(mddev_t *mddev) md_unregister_thread(mddev->thread); mddev->thread = NULL; - mddev->queue->backing_dev_info.congested_fn = NULL; - blk_sync_queue(mddev->queue); /* the unplug fn references 'conf'*/ + if (mddev->queue) + mddev->queue->backing_dev_info.congested_fn = NULL; + plugger_flush(&conf->plug); /* the unplug fn references 'conf'*/ free_conf(conf); mddev->private = NULL; mddev->to_remove = &raid5_attrs_group; @@ -5545,10 +5584,7 @@ static int raid5_start_reshape(mddev_t *mddev) sprintf(nm, "rd%d", rdev->raid_disk); if (sysfs_create_link(&mddev->kobj, &rdev->kobj, nm)) - printk(KERN_WARNING - "md/raid:%s: failed to create " - " link %s\n", - mdname(mddev), nm); + /* Failure here is OK */; } else break; } @@ -5603,7 +5639,7 @@ static void end_reshape(raid5_conf_t *conf) /* read-ahead size must cover two whole stripes, which is * 2 * (datadisks) * chunksize where 'n' is the number of raid devices */ - { + if (conf->mddev->queue) { int data_disks = conf->raid_disks - conf->max_degraded; int stripe = data_disks * ((conf->chunk_sectors << 9) / PAGE_SIZE); diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h index 0f86f5e..36eaed5 100644 --- a/drivers/md/raid5.h +++ b/drivers/md/raid5.h @@ -388,7 +388,7 @@ struct raid5_private_data { * two caches. */ int active_name; - char cache_name[2][20]; + char cache_name[2][32]; struct kmem_cache *slab_cache; /* for allocating stripes */ int seq_flush, seq_write; @@ -398,6 +398,9 @@ struct raid5_private_data { * (fresh device added). * Cleared when a sync completes. */ + + struct plug_handle plug; + /* per cpu variables */ struct raid5_percpu { struct page *spare_page; /* Used when checking P/Q in raid6 */ @@ -497,4 +500,8 @@ static inline int algorithm_is_DDF(int layout) { return layout >= 8 && layout <= 10; } + +extern int md_raid5_congested(mddev_t *mddev, int bits); +extern void md_raid5_unplug_device(raid5_conf_t *conf); +extern int raid5_set_cache_size(mddev_t *mddev, int size); #endif diff --git a/drivers/md/raid6algos.c b/drivers/md/raid6algos.c deleted file mode 100644 index 1f8784b..0000000 --- a/drivers/md/raid6algos.c +++ /dev/null @@ -1,154 +0,0 @@ -/* -*- linux-c -*- ------------------------------------------------------- * - * - * Copyright 2002 H. Peter Anvin - All Rights Reserved - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 53 Temple Place Ste 330, - * Boston MA 02111-1307, USA; either version 2 of the License, or - * (at your option) any later version; incorporated herein by reference. - * - * ----------------------------------------------------------------------- */ - -/* - * raid6algos.c - * - * Algorithm list and algorithm selection for RAID-6 - */ - -#include <linux/raid/pq.h> -#include <linux/gfp.h> -#ifndef __KERNEL__ -#include <sys/mman.h> -#include <stdio.h> -#else -#if !RAID6_USE_EMPTY_ZERO_PAGE -/* In .bss so it's zeroed */ -const char raid6_empty_zero_page[PAGE_SIZE] __attribute__((aligned(256))); -EXPORT_SYMBOL(raid6_empty_zero_page); -#endif -#endif - -struct raid6_calls raid6_call; -EXPORT_SYMBOL_GPL(raid6_call); - -const struct raid6_calls * const raid6_algos[] = { - &raid6_intx1, - &raid6_intx2, - &raid6_intx4, - &raid6_intx8, -#if defined(__ia64__) - &raid6_intx16, - &raid6_intx32, -#endif -#if defined(__i386__) && !defined(__arch_um__) - &raid6_mmxx1, - &raid6_mmxx2, - &raid6_sse1x1, - &raid6_sse1x2, - &raid6_sse2x1, - &raid6_sse2x2, -#endif -#if defined(__x86_64__) && !defined(__arch_um__) - &raid6_sse2x1, - &raid6_sse2x2, - &raid6_sse2x4, -#endif -#ifdef CONFIG_ALTIVEC - &raid6_altivec1, - &raid6_altivec2, - &raid6_altivec4, - &raid6_altivec8, -#endif - NULL -}; - -#ifdef __KERNEL__ -#define RAID6_TIME_JIFFIES_LG2 4 -#else -/* Need more time to be stable in userspace */ -#define RAID6_TIME_JIFFIES_LG2 9 -#define time_before(x, y) ((x) < (y)) -#endif - -/* Try to pick the best algorithm */ -/* This code uses the gfmul table as convenient data set to abuse */ - -int __init raid6_select_algo(void) -{ - const struct raid6_calls * const * algo; - const struct raid6_calls * best; - char *syndromes; - void *dptrs[(65536/PAGE_SIZE)+2]; - int i, disks; - unsigned long perf, bestperf; - int bestprefer; - unsigned long j0, j1; - - disks = (65536/PAGE_SIZE)+2; - for ( i = 0 ; i < disks-2 ; i++ ) { - dptrs[i] = ((char *)raid6_gfmul) + PAGE_SIZE*i; - } - - /* Normal code - use a 2-page allocation to avoid D$ conflict */ - syndromes = (void *) __get_free_pages(GFP_KERNEL, 1); - - if ( !syndromes ) { - printk("raid6: Yikes! No memory available.\n"); - return -ENOMEM; - } - - dptrs[disks-2] = syndromes; - dptrs[disks-1] = syndromes + PAGE_SIZE; - - bestperf = 0; bestprefer = 0; best = NULL; - - for ( algo = raid6_algos ; *algo ; algo++ ) { - if ( !(*algo)->valid || (*algo)->valid() ) { - perf = 0; - - preempt_disable(); - j0 = jiffies; - while ( (j1 = jiffies) == j0 ) - cpu_relax(); - while (time_before(jiffies, - j1 + (1<<RAID6_TIME_JIFFIES_LG2))) { - (*algo)->gen_syndrome(disks, PAGE_SIZE, dptrs); - perf++; - } - preempt_enable(); - - if ( (*algo)->prefer > bestprefer || - ((*algo)->prefer == bestprefer && - perf > bestperf) ) { - best = *algo; - bestprefer = best->prefer; - bestperf = perf; - } - printk("raid6: %-8s %5ld MB/s\n", (*algo)->name, - (perf*HZ) >> (20-16+RAID6_TIME_JIFFIES_LG2)); - } - } - - if (best) { - printk("raid6: using algorithm %s (%ld MB/s)\n", - best->name, - (bestperf*HZ) >> (20-16+RAID6_TIME_JIFFIES_LG2)); - raid6_call = *best; - } else - printk("raid6: Yikes! No algorithm found!\n"); - - free_pages((unsigned long)syndromes, 1); - - return best ? 0 : -EINVAL; -} - -static void raid6_exit(void) -{ - do { } while (0); -} - -subsys_initcall(raid6_select_algo); -module_exit(raid6_exit); -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("RAID6 Q-syndrome calculations"); diff --git a/drivers/md/raid6altivec.uc b/drivers/md/raid6altivec.uc deleted file mode 100644 index 2654d5c..0000000 --- a/drivers/md/raid6altivec.uc +++ /dev/null @@ -1,130 +0,0 @@ -/* -*- linux-c -*- ------------------------------------------------------- * - * - * Copyright 2002-2004 H. Peter Anvin - All Rights Reserved - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 53 Temple Place Ste 330, - * Boston MA 02111-1307, USA; either version 2 of the License, or - * (at your option) any later version; incorporated herein by reference. - * - * ----------------------------------------------------------------------- */ - -/* - * raid6altivec$#.c - * - * $#-way unrolled portable integer math RAID-6 instruction set - * - * This file is postprocessed using unroll.awk - * - * <benh> hpa: in process, - * you can just "steal" the vec unit with enable_kernel_altivec() (but - * bracked this with preempt_disable/enable or in a lock) - */ - -#include <linux/raid/pq.h> - -#ifdef CONFIG_ALTIVEC - -#include <altivec.h> -#ifdef __KERNEL__ -# include <asm/system.h> -# include <asm/cputable.h> -#endif - -/* - * This is the C data type to use. We use a vector of - * signed char so vec_cmpgt() will generate the right - * instruction. - */ - -typedef vector signed char unative_t; - -#define NBYTES(x) ((vector signed char) {x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x}) -#define NSIZE sizeof(unative_t) - -/* - * The SHLBYTE() operation shifts each byte left by 1, *not* - * rolling over into the next byte - */ -static inline __attribute_const__ unative_t SHLBYTE(unative_t v) -{ - return vec_add(v,v); -} - -/* - * The MASK() operation returns 0xFF in any byte for which the high - * bit is 1, 0x00 for any byte for which the high bit is 0. - */ -static inline __attribute_const__ unative_t MASK(unative_t v) -{ - unative_t zv = NBYTES(0); - - /* vec_cmpgt returns a vector bool char; thus the need for the cast */ - return (unative_t)vec_cmpgt(zv, v); -} - - -/* This is noinline to make damned sure that gcc doesn't move any of the - Altivec code around the enable/disable code */ -static void noinline -raid6_altivec$#_gen_syndrome_real(int disks, size_t bytes, void **ptrs) -{ - u8 **dptr = (u8 **)ptrs; - u8 *p, *q; - int d, z, z0; - - unative_t wd$$, wq$$, wp$$, w1$$, w2$$; - unative_t x1d = NBYTES(0x1d); - - z0 = disks - 3; /* Highest data disk */ - p = dptr[z0+1]; /* XOR parity */ - q = dptr[z0+2]; /* RS syndrome */ - - for ( d = 0 ; d < bytes ; d += NSIZE*$# ) { - wq$$ = wp$$ = *(unative_t *)&dptr[z0][d+$$*NSIZE]; - for ( z = z0-1 ; z >= 0 ; z-- ) { - wd$$ = *(unative_t *)&dptr[z][d+$$*NSIZE]; - wp$$ = vec_xor(wp$$, wd$$); - w2$$ = MASK(wq$$); - w1$$ = SHLBYTE(wq$$); - w2$$ = vec_and(w2$$, x1d); - w1$$ = vec_xor(w1$$, w2$$); - wq$$ = vec_xor(w1$$, wd$$); - } - *(unative_t *)&p[d+NSIZE*$$] = wp$$; - *(unative_t *)&q[d+NSIZE*$$] = wq$$; - } -} - -static void raid6_altivec$#_gen_syndrome(int disks, size_t bytes, void **ptrs) -{ - preempt_disable(); - enable_kernel_altivec(); - - raid6_altivec$#_gen_syndrome_real(disks, bytes, ptrs); - - preempt_enable(); -} - -int raid6_have_altivec(void); -#if $# == 1 -int raid6_have_altivec(void) -{ - /* This assumes either all CPUs have Altivec or none does */ -# ifdef __KERNEL__ - return cpu_has_feature(CPU_FTR_ALTIVEC); -# else - return 1; -# endif -} -#endif - -const struct raid6_calls raid6_altivec$# = { - raid6_altivec$#_gen_syndrome, - raid6_have_altivec, - "altivecx$#", - 0 -}; - -#endif /* CONFIG_ALTIVEC */ diff --git a/drivers/md/raid6int.uc b/drivers/md/raid6int.uc deleted file mode 100644 index d1e276a..0000000 --- a/drivers/md/raid6int.uc +++ /dev/null @@ -1,117 +0,0 @@ -/* -*- linux-c -*- ------------------------------------------------------- * - * - * Copyright 2002-2004 H. Peter Anvin - All Rights Reserved - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 53 Temple Place Ste 330, - * Boston MA 02111-1307, USA; either version 2 of the License, or - * (at your option) any later version; incorporated herein by reference. - * - * ----------------------------------------------------------------------- */ - -/* - * raid6int$#.c - * - * $#-way unrolled portable integer math RAID-6 instruction set - * - * This file is postprocessed using unroll.awk - */ - -#include <linux/raid/pq.h> - -/* - * This is the C data type to use - */ - -/* Change this from BITS_PER_LONG if there is something better... */ -#if BITS_PER_LONG == 64 -# define NBYTES(x) ((x) * 0x0101010101010101UL) -# define NSIZE 8 -# define NSHIFT 3 -# define NSTRING "64" -typedef u64 unative_t; -#else -# define NBYTES(x) ((x) * 0x01010101U) -# define NSIZE 4 -# define NSHIFT 2 -# define NSTRING "32" -typedef u32 unative_t; -#endif - - - -/* - * IA-64 wants insane amounts of unrolling. On other architectures that - * is just a waste of space. - */ -#if ($# <= 8) || defined(__ia64__) - - -/* - * These sub-operations are separate inlines since they can sometimes be - * specially optimized using architecture-specific hacks. - */ - -/* - * The SHLBYTE() operation shifts each byte left by 1, *not* - * rolling over into the next byte - */ -static inline __attribute_const__ unative_t SHLBYTE(unative_t v) -{ - unative_t vv; - - vv = (v << 1) & NBYTES(0xfe); - return vv; -} - -/* - * The MASK() operation returns 0xFF in any byte for which the high - * bit is 1, 0x00 for any byte for which the high bit is 0. - */ -static inline __attribute_const__ unative_t MASK(unative_t v) -{ - unative_t vv; - - vv = v & NBYTES(0x80); - vv = (vv << 1) - (vv >> 7); /* Overflow on the top bit is OK */ - return vv; -} - - -static void raid6_int$#_gen_syndrome(int disks, size_t bytes, void **ptrs) -{ - u8 **dptr = (u8 **)ptrs; - u8 *p, *q; - int d, z, z0; - - unative_t wd$$, wq$$, wp$$, w1$$, w2$$; - - z0 = disks - 3; /* Highest data disk */ - p = dptr[z0+1]; /* XOR parity */ - q = dptr[z0+2]; /* RS syndrome */ - - for ( d = 0 ; d < bytes ; d += NSIZE*$# ) { - wq$$ = wp$$ = *(unative_t *)&dptr[z0][d+$$*NSIZE]; - for ( z = z0-1 ; z >= 0 ; z-- ) { - wd$$ = *(unative_t *)&dptr[z][d+$$*NSIZE]; - wp$$ ^= wd$$; - w2$$ = MASK(wq$$); - w1$$ = SHLBYTE(wq$$); - w2$$ &= NBYTES(0x1d); - w1$$ ^= w2$$; - wq$$ = w1$$ ^ wd$$; - } - *(unative_t *)&p[d+NSIZE*$$] = wp$$; - *(unative_t *)&q[d+NSIZE*$$] = wq$$; - } -} - -const struct raid6_calls raid6_intx$# = { - raid6_int$#_gen_syndrome, - NULL, /* always valid */ - "int" NSTRING "x$#", - 0 -}; - -#endif diff --git a/drivers/md/raid6mmx.c b/drivers/md/raid6mmx.c deleted file mode 100644 index e7f6c13..0000000 --- a/drivers/md/raid6mmx.c +++ /dev/null @@ -1,142 +0,0 @@ -/* -*- linux-c -*- ------------------------------------------------------- * - * - * Copyright 2002 H. Peter Anvin - All Rights Reserved - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 53 Temple Place Ste 330, - * Boston MA 02111-1307, USA; either version 2 of the License, or - * (at your option) any later version; incorporated herein by reference. - * - * ----------------------------------------------------------------------- */ - -/* - * raid6mmx.c - * - * MMX implementation of RAID-6 syndrome functions - */ - -#if defined(__i386__) && !defined(__arch_um__) - -#include <linux/raid/pq.h> -#include "raid6x86.h" - -/* Shared with raid6sse1.c */ -const struct raid6_mmx_constants { - u64 x1d; -} raid6_mmx_constants = { - 0x1d1d1d1d1d1d1d1dULL, -}; - -static int raid6_have_mmx(void) -{ - /* Not really "boot_cpu" but "all_cpus" */ - return boot_cpu_has(X86_FEATURE_MMX); -} - -/* - * Plain MMX implementation - */ -static void raid6_mmx1_gen_syndrome(int disks, size_t bytes, void **ptrs) -{ - u8 **dptr = (u8 **)ptrs; - u8 *p, *q; - int d, z, z0; - - z0 = disks - 3; /* Highest data disk */ - p = dptr[z0+1]; /* XOR parity */ - q = dptr[z0+2]; /* RS syndrome */ - - kernel_fpu_begin(); - - asm volatile("movq %0,%%mm0" : : "m" (raid6_mmx_constants.x1d)); - asm volatile("pxor %mm5,%mm5"); /* Zero temp */ - - for ( d = 0 ; d < bytes ; d += 8 ) { - asm volatile("movq %0,%%mm2" : : "m" (dptr[z0][d])); /* P[0] */ - asm volatile("movq %mm2,%mm4"); /* Q[0] */ - for ( z = z0-1 ; z >= 0 ; z-- ) { - asm volatile("movq %0,%%mm6" : : "m" (dptr[z][d])); - asm volatile("pcmpgtb %mm4,%mm5"); - asm volatile("paddb %mm4,%mm4"); - asm volatile("pand %mm0,%mm5"); - asm volatile("pxor %mm5,%mm4"); - asm volatile("pxor %mm5,%mm5"); - asm volatile("pxor %mm6,%mm2"); - asm volatile("pxor %mm6,%mm4"); - } - asm volatile("movq %%mm2,%0" : "=m" (p[d])); - asm volatile("pxor %mm2,%mm2"); - asm volatile("movq %%mm4,%0" : "=m" (q[d])); - asm volatile("pxor %mm4,%mm4"); - } - - kernel_fpu_end(); -} - -const struct raid6_calls raid6_mmxx1 = { - raid6_mmx1_gen_syndrome, - raid6_have_mmx, - "mmxx1", - 0 -}; - -/* - * Unrolled-by-2 MMX implementation - */ -static void raid6_mmx2_gen_syndrome(int disks, size_t bytes, void **ptrs) -{ - u8 **dptr = (u8 **)ptrs; - u8 *p, *q; - int d, z, z0; - - z0 = disks - 3; /* Highest data disk */ - p = dptr[z0+1]; /* XOR parity */ - q = dptr[z0+2]; /* RS syndrome */ - - kernel_fpu_begin(); - - asm volatile("movq %0,%%mm0" : : "m" (raid6_mmx_constants.x1d)); - asm volatile("pxor %mm5,%mm5"); /* Zero temp */ - asm volatile("pxor %mm7,%mm7"); /* Zero temp */ - - for ( d = 0 ; d < bytes ; d += 16 ) { - asm volatile("movq %0,%%mm2" : : "m" (dptr[z0][d])); /* P[0] */ - asm volatile("movq %0,%%mm3" : : "m" (dptr[z0][d+8])); - asm volatile("movq %mm2,%mm4"); /* Q[0] */ - asm volatile("movq %mm3,%mm6"); /* Q[1] */ - for ( z = z0-1 ; z >= 0 ; z-- ) { - asm volatile("pcmpgtb %mm4,%mm5"); - asm volatile("pcmpgtb %mm6,%mm7"); - asm volatile("paddb %mm4,%mm4"); - asm volatile("paddb %mm6,%mm6"); - asm volatile("pand %mm0,%mm5"); - asm volatile("pand %mm0,%mm7"); - asm volatile("pxor %mm5,%mm4"); - asm volatile("pxor %mm7,%mm6"); - asm volatile("movq %0,%%mm5" : : "m" (dptr[z][d])); - asm volatile("movq %0,%%mm7" : : "m" (dptr[z][d+8])); - asm volatile("pxor %mm5,%mm2"); - asm volatile("pxor %mm7,%mm3"); - asm volatile("pxor %mm5,%mm4"); - asm volatile("pxor %mm7,%mm6"); - asm volatile("pxor %mm5,%mm5"); - asm volatile("pxor %mm7,%mm7"); - } - asm volatile("movq %%mm2,%0" : "=m" (p[d])); - asm volatile("movq %%mm3,%0" : "=m" (p[d+8])); - asm volatile("movq %%mm4,%0" : "=m" (q[d])); - asm volatile("movq %%mm6,%0" : "=m" (q[d+8])); - } - - kernel_fpu_end(); -} - -const struct raid6_calls raid6_mmxx2 = { - raid6_mmx2_gen_syndrome, - raid6_have_mmx, - "mmxx2", - 0 -}; - -#endif diff --git a/drivers/md/raid6recov.c b/drivers/md/raid6recov.c deleted file mode 100644 index 2609f00..0000000 --- a/drivers/md/raid6recov.c +++ /dev/null @@ -1,132 +0,0 @@ -/* -*- linux-c -*- ------------------------------------------------------- * - * - * Copyright 2002 H. Peter Anvin - All Rights Reserved - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 53 Temple Place Ste 330, - * Boston MA 02111-1307, USA; either version 2 of the License, or - * (at your option) any later version; incorporated herein by reference. - * - * ----------------------------------------------------------------------- */ - -/* - * raid6recov.c - * - * RAID-6 data recovery in dual failure mode. In single failure mode, - * use the RAID-5 algorithm (or, in the case of Q failure, just reconstruct - * the syndrome.) - */ - -#include <linux/raid/pq.h> - -/* Recover two failed data blocks. */ -void raid6_2data_recov(int disks, size_t bytes, int faila, int failb, - void **ptrs) -{ - u8 *p, *q, *dp, *dq; - u8 px, qx, db; - const u8 *pbmul; /* P multiplier table for B data */ - const u8 *qmul; /* Q multiplier table (for both) */ - - p = (u8 *)ptrs[disks-2]; - q = (u8 *)ptrs[disks-1]; - - /* Compute syndrome with zero for the missing data pages - Use the dead data pages as temporary storage for - delta p and delta q */ - dp = (u8 *)ptrs[faila]; - ptrs[faila] = (void *)raid6_empty_zero_page; - ptrs[disks-2] = dp; - dq = (u8 *)ptrs[failb]; - ptrs[failb] = (void *)raid6_empty_zero_page; - ptrs[disks-1] = dq; - - raid6_call.gen_syndrome(disks, bytes, ptrs); - - /* Restore pointer table */ - ptrs[faila] = dp; - ptrs[failb] = dq; - ptrs[disks-2] = p; - ptrs[disks-1] = q; - - /* Now, pick the proper data tables */ - pbmul = raid6_gfmul[raid6_gfexi[failb-faila]]; - qmul = raid6_gfmul[raid6_gfinv[raid6_gfexp[faila]^raid6_gfexp[failb]]]; - - /* Now do it... */ - while ( bytes-- ) { - px = *p ^ *dp; - qx = qmul[*q ^ *dq]; - *dq++ = db = pbmul[px] ^ qx; /* Reconstructed B */ - *dp++ = db ^ px; /* Reconstructed A */ - p++; q++; - } -} -EXPORT_SYMBOL_GPL(raid6_2data_recov); - -/* Recover failure of one data block plus the P block */ -void raid6_datap_recov(int disks, size_t bytes, int faila, void **ptrs) -{ - u8 *p, *q, *dq; - const u8 *qmul; /* Q multiplier table */ - - p = (u8 *)ptrs[disks-2]; - q = (u8 *)ptrs[disks-1]; - - /* Compute syndrome with zero for the missing data page - Use the dead data page as temporary storage for delta q */ - dq = (u8 *)ptrs[faila]; - ptrs[faila] = (void *)raid6_empty_zero_page; - ptrs[disks-1] = dq; - - raid6_call.gen_syndrome(disks, bytes, ptrs); - - /* Restore pointer table */ - ptrs[faila] = dq; - ptrs[disks-1] = q; - - /* Now, pick the proper data tables */ - qmul = raid6_gfmul[raid6_gfinv[raid6_gfexp[faila]]]; - - /* Now do it... */ - while ( bytes-- ) { - *p++ ^= *dq = qmul[*q ^ *dq]; - q++; dq++; - } -} -EXPORT_SYMBOL_GPL(raid6_datap_recov); - -#ifndef __KERNEL__ -/* Testing only */ - -/* Recover two failed blocks. */ -void raid6_dual_recov(int disks, size_t bytes, int faila, int failb, void **ptrs) -{ - if ( faila > failb ) { - int tmp = faila; - faila = failb; - failb = tmp; - } - - if ( failb == disks-1 ) { - if ( faila == disks-2 ) { - /* P+Q failure. Just rebuild the syndrome. */ - raid6_call.gen_syndrome(disks, bytes, ptrs); - } else { - /* data+Q failure. Reconstruct data from P, - then rebuild syndrome. */ - /* NOT IMPLEMENTED - equivalent to RAID-5 */ - } - } else { - if ( failb == disks-2 ) { - /* data+P failure. */ - raid6_datap_recov(disks, bytes, faila, ptrs); - } else { - /* data+data failure. */ - raid6_2data_recov(disks, bytes, faila, failb, ptrs); - } - } -} - -#endif diff --git a/drivers/md/raid6sse1.c b/drivers/md/raid6sse1.c deleted file mode 100644 index b274dd5..0000000 --- a/drivers/md/raid6sse1.c +++ /dev/null @@ -1,162 +0,0 @@ -/* -*- linux-c -*- ------------------------------------------------------- * - * - * Copyright 2002 H. Peter Anvin - All Rights Reserved - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 53 Temple Place Ste 330, - * Boston MA 02111-1307, USA; either version 2 of the License, or - * (at your option) any later version; incorporated herein by reference. - * - * ----------------------------------------------------------------------- */ - -/* - * raid6sse1.c - * - * SSE-1/MMXEXT implementation of RAID-6 syndrome functions - * - * This is really an MMX implementation, but it requires SSE-1 or - * AMD MMXEXT for prefetch support and a few other features. The - * support for nontemporal memory accesses is enough to make this - * worthwhile as a separate implementation. - */ - -#if defined(__i386__) && !defined(__arch_um__) - -#include <linux/raid/pq.h> -#include "raid6x86.h" - -/* Defined in raid6mmx.c */ -extern const struct raid6_mmx_constants { - u64 x1d; -} raid6_mmx_constants; - -static int raid6_have_sse1_or_mmxext(void) -{ - /* Not really boot_cpu but "all_cpus" */ - return boot_cpu_has(X86_FEATURE_MMX) && - (boot_cpu_has(X86_FEATURE_XMM) || - boot_cpu_has(X86_FEATURE_MMXEXT)); -} - -/* - * Plain SSE1 implementation - */ -static void raid6_sse11_gen_syndrome(int disks, size_t bytes, void **ptrs) -{ - u8 **dptr = (u8 **)ptrs; - u8 *p, *q; - int d, z, z0; - - z0 = disks - 3; /* Highest data disk */ - p = dptr[z0+1]; /* XOR parity */ - q = dptr[z0+2]; /* RS syndrome */ - - kernel_fpu_begin(); - - asm volatile("movq %0,%%mm0" : : "m" (raid6_mmx_constants.x1d)); - asm volatile("pxor %mm5,%mm5"); /* Zero temp */ - - for ( d = 0 ; d < bytes ; d += 8 ) { - asm volatile("prefetchnta %0" : : "m" (dptr[z0][d])); - asm volatile("movq %0,%%mm2" : : "m" (dptr[z0][d])); /* P[0] */ - asm volatile("prefetchnta %0" : : "m" (dptr[z0-1][d])); - asm volatile("movq %mm2,%mm4"); /* Q[0] */ - asm volatile("movq %0,%%mm6" : : "m" (dptr[z0-1][d])); - for ( z = z0-2 ; z >= 0 ; z-- ) { - asm volatile("prefetchnta %0" : : "m" (dptr[z][d])); - asm volatile("pcmpgtb %mm4,%mm5"); - asm volatile("paddb %mm4,%mm4"); - asm volatile("pand %mm0,%mm5"); - asm volatile("pxor %mm5,%mm4"); - asm volatile("pxor %mm5,%mm5"); - asm volatile("pxor %mm6,%mm2"); - asm volatile("pxor %mm6,%mm4"); - asm volatile("movq %0,%%mm6" : : "m" (dptr[z][d])); - } - asm volatile("pcmpgtb %mm4,%mm5"); - asm volatile("paddb %mm4,%mm4"); - asm volatile("pand %mm0,%mm5"); - asm volatile("pxor %mm5,%mm4"); - asm volatile("pxor %mm5,%mm5"); - asm volatile("pxor %mm6,%mm2"); - asm volatile("pxor %mm6,%mm4"); - - asm volatile("movntq %%mm2,%0" : "=m" (p[d])); - asm volatile("movntq %%mm4,%0" : "=m" (q[d])); - } - - asm volatile("sfence" : : : "memory"); - kernel_fpu_end(); -} - -const struct raid6_calls raid6_sse1x1 = { - raid6_sse11_gen_syndrome, - raid6_have_sse1_or_mmxext, - "sse1x1", - 1 /* Has cache hints */ -}; - -/* - * Unrolled-by-2 SSE1 implementation - */ -static void raid6_sse12_gen_syndrome(int disks, size_t bytes, void **ptrs) -{ - u8 **dptr = (u8 **)ptrs; - u8 *p, *q; - int d, z, z0; - - z0 = disks - 3; /* Highest data disk */ - p = dptr[z0+1]; /* XOR parity */ - q = dptr[z0+2]; /* RS syndrome */ - - kernel_fpu_begin(); - - asm volatile("movq %0,%%mm0" : : "m" (raid6_mmx_constants.x1d)); - asm volatile("pxor %mm5,%mm5"); /* Zero temp */ - asm volatile("pxor %mm7,%mm7"); /* Zero temp */ - - /* We uniformly assume a single prefetch covers at least 16 bytes */ - for ( d = 0 ; d < bytes ; d += 16 ) { - asm volatile("prefetchnta %0" : : "m" (dptr[z0][d])); - asm volatile("movq %0,%%mm2" : : "m" (dptr[z0][d])); /* P[0] */ - asm volatile("movq %0,%%mm3" : : "m" (dptr[z0][d+8])); /* P[1] */ - asm volatile("movq %mm2,%mm4"); /* Q[0] */ - asm volatile("movq %mm3,%mm6"); /* Q[1] */ - for ( z = z0-1 ; z >= 0 ; z-- ) { - asm volatile("prefetchnta %0" : : "m" (dptr[z][d])); - asm volatile("pcmpgtb %mm4,%mm5"); - asm volatile("pcmpgtb %mm6,%mm7"); - asm volatile("paddb %mm4,%mm4"); - asm volatile("paddb %mm6,%mm6"); - asm volatile("pand %mm0,%mm5"); - asm volatile("pand %mm0,%mm7"); - asm volatile("pxor %mm5,%mm4"); - asm volatile("pxor %mm7,%mm6"); - asm volatile("movq %0,%%mm5" : : "m" (dptr[z][d])); - asm volatile("movq %0,%%mm7" : : "m" (dptr[z][d+8])); - asm volatile("pxor %mm5,%mm2"); - asm volatile("pxor %mm7,%mm3"); - asm volatile("pxor %mm5,%mm4"); - asm volatile("pxor %mm7,%mm6"); - asm volatile("pxor %mm5,%mm5"); - asm volatile("pxor %mm7,%mm7"); - } - asm volatile("movntq %%mm2,%0" : "=m" (p[d])); - asm volatile("movntq %%mm3,%0" : "=m" (p[d+8])); - asm volatile("movntq %%mm4,%0" : "=m" (q[d])); - asm volatile("movntq %%mm6,%0" : "=m" (q[d+8])); - } - - asm volatile("sfence" : :: "memory"); - kernel_fpu_end(); -} - -const struct raid6_calls raid6_sse1x2 = { - raid6_sse12_gen_syndrome, - raid6_have_sse1_or_mmxext, - "sse1x2", - 1 /* Has cache hints */ -}; - -#endif diff --git a/drivers/md/raid6sse2.c b/drivers/md/raid6sse2.c deleted file mode 100644 index 6ed6c6c..0000000 --- a/drivers/md/raid6sse2.c +++ /dev/null @@ -1,262 +0,0 @@ -/* -*- linux-c -*- ------------------------------------------------------- * - * - * Copyright 2002 H. Peter Anvin - All Rights Reserved - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 53 Temple Place Ste 330, - * Boston MA 02111-1307, USA; either version 2 of the License, or - * (at your option) any later version; incorporated herein by reference. - * - * ----------------------------------------------------------------------- */ - -/* - * raid6sse2.c - * - * SSE-2 implementation of RAID-6 syndrome functions - * - */ - -#if (defined(__i386__) || defined(__x86_64__)) && !defined(__arch_um__) - -#include <linux/raid/pq.h> -#include "raid6x86.h" - -static const struct raid6_sse_constants { - u64 x1d[2]; -} raid6_sse_constants __attribute__((aligned(16))) = { - { 0x1d1d1d1d1d1d1d1dULL, 0x1d1d1d1d1d1d1d1dULL }, -}; - -static int raid6_have_sse2(void) -{ - /* Not really boot_cpu but "all_cpus" */ - return boot_cpu_has(X86_FEATURE_MMX) && - boot_cpu_has(X86_FEATURE_FXSR) && - boot_cpu_has(X86_FEATURE_XMM) && - boot_cpu_has(X86_FEATURE_XMM2); -} - -/* - * Plain SSE2 implementation - */ -static void raid6_sse21_gen_syndrome(int disks, size_t bytes, void **ptrs) -{ - u8 **dptr = (u8 **)ptrs; - u8 *p, *q; - int d, z, z0; - - z0 = disks - 3; /* Highest data disk */ - p = dptr[z0+1]; /* XOR parity */ - q = dptr[z0+2]; /* RS syndrome */ - - kernel_fpu_begin(); - - asm volatile("movdqa %0,%%xmm0" : : "m" (raid6_sse_constants.x1d[0])); - asm volatile("pxor %xmm5,%xmm5"); /* Zero temp */ - - for ( d = 0 ; d < bytes ; d += 16 ) { - asm volatile("prefetchnta %0" : : "m" (dptr[z0][d])); - asm volatile("movdqa %0,%%xmm2" : : "m" (dptr[z0][d])); /* P[0] */ - asm volatile("prefetchnta %0" : : "m" (dptr[z0-1][d])); - asm volatile("movdqa %xmm2,%xmm4"); /* Q[0] */ - asm volatile("movdqa %0,%%xmm6" : : "m" (dptr[z0-1][d])); - for ( z = z0-2 ; z >= 0 ; z-- ) { - asm volatile("prefetchnta %0" : : "m" (dptr[z][d])); - asm volatile("pcmpgtb %xmm4,%xmm5"); - asm volatile("paddb %xmm4,%xmm4"); - asm volatile("pand %xmm0,%xmm5"); - asm volatile("pxor %xmm5,%xmm4"); - asm volatile("pxor %xmm5,%xmm5"); - asm volatile("pxor %xmm6,%xmm2"); - asm volatile("pxor %xmm6,%xmm4"); - asm volatile("movdqa %0,%%xmm6" : : "m" (dptr[z][d])); - } - asm volatile("pcmpgtb %xmm4,%xmm5"); - asm volatile("paddb %xmm4,%xmm4"); - asm volatile("pand %xmm0,%xmm5"); - asm volatile("pxor %xmm5,%xmm4"); - asm volatile("pxor %xmm5,%xmm5"); - asm volatile("pxor %xmm6,%xmm2"); - asm volatile("pxor %xmm6,%xmm4"); - - asm volatile("movntdq %%xmm2,%0" : "=m" (p[d])); - asm volatile("pxor %xmm2,%xmm2"); - asm volatile("movntdq %%xmm4,%0" : "=m" (q[d])); - asm volatile("pxor %xmm4,%xmm4"); - } - - asm volatile("sfence" : : : "memory"); - kernel_fpu_end(); -} - -const struct raid6_calls raid6_sse2x1 = { - raid6_sse21_gen_syndrome, - raid6_have_sse2, - "sse2x1", - 1 /* Has cache hints */ -}; - -/* - * Unrolled-by-2 SSE2 implementation - */ -static void raid6_sse22_gen_syndrome(int disks, size_t bytes, void **ptrs) -{ - u8 **dptr = (u8 **)ptrs; - u8 *p, *q; - int d, z, z0; - - z0 = disks - 3; /* Highest data disk */ - p = dptr[z0+1]; /* XOR parity */ - q = dptr[z0+2]; /* RS syndrome */ - - kernel_fpu_begin(); - - asm volatile("movdqa %0,%%xmm0" : : "m" (raid6_sse_constants.x1d[0])); - asm volatile("pxor %xmm5,%xmm5"); /* Zero temp */ - asm volatile("pxor %xmm7,%xmm7"); /* Zero temp */ - - /* We uniformly assume a single prefetch covers at least 32 bytes */ - for ( d = 0 ; d < bytes ; d += 32 ) { - asm volatile("prefetchnta %0" : : "m" (dptr[z0][d])); - asm volatile("movdqa %0,%%xmm2" : : "m" (dptr[z0][d])); /* P[0] */ - asm volatile("movdqa %0,%%xmm3" : : "m" (dptr[z0][d+16])); /* P[1] */ - asm volatile("movdqa %xmm2,%xmm4"); /* Q[0] */ - asm volatile("movdqa %xmm3,%xmm6"); /* Q[1] */ - for ( z = z0-1 ; z >= 0 ; z-- ) { - asm volatile("prefetchnta %0" : : "m" (dptr[z][d])); - asm volatile("pcmpgtb %xmm4,%xmm5"); - asm volatile("pcmpgtb %xmm6,%xmm7"); - asm volatile("paddb %xmm4,%xmm4"); - asm volatile("paddb %xmm6,%xmm6"); - asm volatile("pand %xmm0,%xmm5"); - asm volatile("pand %xmm0,%xmm7"); - asm volatile("pxor %xmm5,%xmm4"); - asm volatile("pxor %xmm7,%xmm6"); - asm volatile("movdqa %0,%%xmm5" : : "m" (dptr[z][d])); - asm volatile("movdqa %0,%%xmm7" : : "m" (dptr[z][d+16])); - asm volatile("pxor %xmm5,%xmm2"); - asm volatile("pxor %xmm7,%xmm3"); - asm volatile("pxor %xmm5,%xmm4"); - asm volatile("pxor %xmm7,%xmm6"); - asm volatile("pxor %xmm5,%xmm5"); - asm volatile("pxor %xmm7,%xmm7"); - } - asm volatile("movntdq %%xmm2,%0" : "=m" (p[d])); - asm volatile("movntdq %%xmm3,%0" : "=m" (p[d+16])); - asm volatile("movntdq %%xmm4,%0" : "=m" (q[d])); - asm volatile("movntdq %%xmm6,%0" : "=m" (q[d+16])); - } - - asm volatile("sfence" : : : "memory"); - kernel_fpu_end(); -} - -const struct raid6_calls raid6_sse2x2 = { - raid6_sse22_gen_syndrome, - raid6_have_sse2, - "sse2x2", - 1 /* Has cache hints */ -}; - -#endif - -#if defined(__x86_64__) && !defined(__arch_um__) - -/* - * Unrolled-by-4 SSE2 implementation - */ -static void raid6_sse24_gen_syndrome(int disks, size_t bytes, void **ptrs) -{ - u8 **dptr = (u8 **)ptrs; - u8 *p, *q; - int d, z, z0; - - z0 = disks - 3; /* Highest data disk */ - p = dptr[z0+1]; /* XOR parity */ - q = dptr[z0+2]; /* RS syndrome */ - - kernel_fpu_begin(); - - asm volatile("movdqa %0,%%xmm0" :: "m" (raid6_sse_constants.x1d[0])); - asm volatile("pxor %xmm2,%xmm2"); /* P[0] */ - asm volatile("pxor %xmm3,%xmm3"); /* P[1] */ - asm volatile("pxor %xmm4,%xmm4"); /* Q[0] */ - asm volatile("pxor %xmm5,%xmm5"); /* Zero temp */ - asm volatile("pxor %xmm6,%xmm6"); /* Q[1] */ - asm volatile("pxor %xmm7,%xmm7"); /* Zero temp */ - asm volatile("pxor %xmm10,%xmm10"); /* P[2] */ - asm volatile("pxor %xmm11,%xmm11"); /* P[3] */ - asm volatile("pxor %xmm12,%xmm12"); /* Q[2] */ - asm volatile("pxor %xmm13,%xmm13"); /* Zero temp */ - asm volatile("pxor %xmm14,%xmm14"); /* Q[3] */ - asm volatile("pxor %xmm15,%xmm15"); /* Zero temp */ - - for ( d = 0 ; d < bytes ; d += 64 ) { - for ( z = z0 ; z >= 0 ; z-- ) { - /* The second prefetch seems to improve performance... */ - asm volatile("prefetchnta %0" :: "m" (dptr[z][d])); - asm volatile("prefetchnta %0" :: "m" (dptr[z][d+32])); - asm volatile("pcmpgtb %xmm4,%xmm5"); - asm volatile("pcmpgtb %xmm6,%xmm7"); - asm volatile("pcmpgtb %xmm12,%xmm13"); - asm volatile("pcmpgtb %xmm14,%xmm15"); - asm volatile("paddb %xmm4,%xmm4"); - asm volatile("paddb %xmm6,%xmm6"); - asm volatile("paddb %xmm12,%xmm12"); - asm volatile("paddb %xmm14,%xmm14"); - asm volatile("pand %xmm0,%xmm5"); - asm volatile("pand %xmm0,%xmm7"); - asm volatile("pand %xmm0,%xmm13"); - asm volatile("pand %xmm0,%xmm15"); - asm volatile("pxor %xmm5,%xmm4"); - asm volatile("pxor %xmm7,%xmm6"); - asm volatile("pxor %xmm13,%xmm12"); - asm volatile("pxor %xmm15,%xmm14"); - asm volatile("movdqa %0,%%xmm5" :: "m" (dptr[z][d])); - asm volatile("movdqa %0,%%xmm7" :: "m" (dptr[z][d+16])); - asm volatile("movdqa %0,%%xmm13" :: "m" (dptr[z][d+32])); - asm volatile("movdqa %0,%%xmm15" :: "m" (dptr[z][d+48])); - asm volatile("pxor %xmm5,%xmm2"); - asm volatile("pxor %xmm7,%xmm3"); - asm volatile("pxor %xmm13,%xmm10"); - asm volatile("pxor %xmm15,%xmm11"); - asm volatile("pxor %xmm5,%xmm4"); - asm volatile("pxor %xmm7,%xmm6"); - asm volatile("pxor %xmm13,%xmm12"); - asm volatile("pxor %xmm15,%xmm14"); - asm volatile("pxor %xmm5,%xmm5"); - asm volatile("pxor %xmm7,%xmm7"); - asm volatile("pxor %xmm13,%xmm13"); - asm volatile("pxor %xmm15,%xmm15"); - } - asm volatile("movntdq %%xmm2,%0" : "=m" (p[d])); - asm volatile("pxor %xmm2,%xmm2"); - asm volatile("movntdq %%xmm3,%0" : "=m" (p[d+16])); - asm volatile("pxor %xmm3,%xmm3"); - asm volatile("movntdq %%xmm10,%0" : "=m" (p[d+32])); - asm volatile("pxor %xmm10,%xmm10"); - asm volatile("movntdq %%xmm11,%0" : "=m" (p[d+48])); - asm volatile("pxor %xmm11,%xmm11"); - asm volatile("movntdq %%xmm4,%0" : "=m" (q[d])); - asm volatile("pxor %xmm4,%xmm4"); - asm volatile("movntdq %%xmm6,%0" : "=m" (q[d+16])); - asm volatile("pxor %xmm6,%xmm6"); - asm volatile("movntdq %%xmm12,%0" : "=m" (q[d+32])); - asm volatile("pxor %xmm12,%xmm12"); - asm volatile("movntdq %%xmm14,%0" : "=m" (q[d+48])); - asm volatile("pxor %xmm14,%xmm14"); - } - - asm volatile("sfence" : : : "memory"); - kernel_fpu_end(); -} - -const struct raid6_calls raid6_sse2x4 = { - raid6_sse24_gen_syndrome, - raid6_have_sse2, - "sse2x4", - 1 /* Has cache hints */ -}; - -#endif diff --git a/drivers/md/raid6test/Makefile b/drivers/md/raid6test/Makefile deleted file mode 100644 index 2874cbe..0000000 --- a/drivers/md/raid6test/Makefile +++ /dev/null @@ -1,75 +0,0 @@ -# -# This is a simple Makefile to test some of the RAID-6 code -# from userspace. -# - -CC = gcc -OPTFLAGS = -O2 # Adjust as desired -CFLAGS = -I.. -I ../../../include -g $(OPTFLAGS) -LD = ld -AWK = awk -AR = ar -RANLIB = ranlib - -.c.o: - $(CC) $(CFLAGS) -c -o $@ $< - -%.c: ../%.c - cp -f $< $@ - -%.uc: ../%.uc - cp -f $< $@ - -all: raid6.a raid6test - -raid6.a: raid6int1.o raid6int2.o raid6int4.o raid6int8.o raid6int16.o \ - raid6int32.o \ - raid6mmx.o raid6sse1.o raid6sse2.o \ - raid6altivec1.o raid6altivec2.o raid6altivec4.o raid6altivec8.o \ - raid6recov.o raid6algos.o \ - raid6tables.o - rm -f $@ - $(AR) cq $@ $^ - $(RANLIB) $@ - -raid6test: test.c raid6.a - $(CC) $(CFLAGS) -o raid6test $^ - -raid6altivec1.c: raid6altivec.uc ../unroll.awk - $(AWK) ../unroll.awk -vN=1 < raid6altivec.uc > $@ - -raid6altivec2.c: raid6altivec.uc ../unroll.awk - $(AWK) ../unroll.awk -vN=2 < raid6altivec.uc > $@ - -raid6altivec4.c: raid6altivec.uc ../unroll.awk - $(AWK) ../unroll.awk -vN=4 < raid6altivec.uc > $@ - -raid6altivec8.c: raid6altivec.uc ../unroll.awk - $(AWK) ../unroll.awk -vN=8 < raid6altivec.uc > $@ - -raid6int1.c: raid6int.uc ../unroll.awk - $(AWK) ../unroll.awk -vN=1 < raid6int.uc > $@ - -raid6int2.c: raid6int.uc ../unroll.awk - $(AWK) ../unroll.awk -vN=2 < raid6int.uc > $@ - -raid6int4.c: raid6int.uc ../unroll.awk - $(AWK) ../unroll.awk -vN=4 < raid6int.uc > $@ - -raid6int8.c: raid6int.uc ../unroll.awk - $(AWK) ../unroll.awk -vN=8 < raid6int.uc > $@ - -raid6int16.c: raid6int.uc ../unroll.awk - $(AWK) ../unroll.awk -vN=16 < raid6int.uc > $@ - -raid6int32.c: raid6int.uc ../unroll.awk - $(AWK) ../unroll.awk -vN=32 < raid6int.uc > $@ - -raid6tables.c: mktables - ./mktables > raid6tables.c - -clean: - rm -f *.o *.a mktables mktables.c raid6int.uc raid6*.c raid6test - -spotless: clean - rm -f *~ diff --git a/drivers/md/raid6test/test.c b/drivers/md/raid6test/test.c deleted file mode 100644 index 7a93031..0000000 --- a/drivers/md/raid6test/test.c +++ /dev/null @@ -1,124 +0,0 @@ -/* -*- linux-c -*- ------------------------------------------------------- * - * - * Copyright 2002-2007 H. Peter Anvin - All Rights Reserved - * - * This file is part of the Linux kernel, and is made available under - * the terms of the GNU General Public License version 2 or (at your - * option) any later version; incorporated herein by reference. - * - * ----------------------------------------------------------------------- */ - -/* - * raid6test.c - * - * Test RAID-6 recovery with various algorithms - */ - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <linux/raid/pq.h> - -#define NDISKS 16 /* Including P and Q */ - -const char raid6_empty_zero_page[PAGE_SIZE] __attribute__((aligned(256))); -struct raid6_calls raid6_call; - -char *dataptrs[NDISKS]; -char data[NDISKS][PAGE_SIZE]; -char recovi[PAGE_SIZE], recovj[PAGE_SIZE]; - -static void makedata(void) -{ - int i, j; - - for (i = 0; i < NDISKS; i++) { - for (j = 0; j < PAGE_SIZE; j++) - data[i][j] = rand(); - - dataptrs[i] = data[i]; - } -} - -static char disk_type(int d) -{ - switch (d) { - case NDISKS-2: - return 'P'; - case NDISKS-1: - return 'Q'; - default: - return 'D'; - } -} - -static int test_disks(int i, int j) -{ - int erra, errb; - - memset(recovi, 0xf0, PAGE_SIZE); - memset(recovj, 0xba, PAGE_SIZE); - - dataptrs[i] = recovi; - dataptrs[j] = recovj; - - raid6_dual_recov(NDISKS, PAGE_SIZE, i, j, (void **)&dataptrs); - - erra = memcmp(data[i], recovi, PAGE_SIZE); - errb = memcmp(data[j], recovj, PAGE_SIZE); - - if (i < NDISKS-2 && j == NDISKS-1) { - /* We don't implement the DQ failure scenario, since it's - equivalent to a RAID-5 failure (XOR, then recompute Q) */ - erra = errb = 0; - } else { - printf("algo=%-8s faila=%3d(%c) failb=%3d(%c) %s\n", - raid6_call.name, - i, disk_type(i), - j, disk_type(j), - (!erra && !errb) ? "OK" : - !erra ? "ERRB" : - !errb ? "ERRA" : "ERRAB"); - } - - dataptrs[i] = data[i]; - dataptrs[j] = data[j]; - - return erra || errb; -} - -int main(int argc, char *argv[]) -{ - const struct raid6_calls *const *algo; - int i, j; - int err = 0; - - makedata(); - - for (algo = raid6_algos; *algo; algo++) { - if (!(*algo)->valid || (*algo)->valid()) { - raid6_call = **algo; - - /* Nuke syndromes */ - memset(data[NDISKS-2], 0xee, 2*PAGE_SIZE); - - /* Generate assumed good syndrome */ - raid6_call.gen_syndrome(NDISKS, PAGE_SIZE, - (void **)&dataptrs); - - for (i = 0; i < NDISKS-1; i++) - for (j = i+1; j < NDISKS; j++) - err += test_disks(i, j); - } - printf("\n"); - } - - printf("\n"); - /* Pick the best algorithm test */ - raid6_select_algo(); - - if (err) - printf("\n*** ERRORS FOUND ***\n"); - - return err; -} diff --git a/drivers/md/raid6x86.h b/drivers/md/raid6x86.h deleted file mode 100644 index 4c22c15..0000000 --- a/drivers/md/raid6x86.h +++ /dev/null @@ -1,61 +0,0 @@ -/* ----------------------------------------------------------------------- * - * - * Copyright 2002-2004 H. Peter Anvin - All Rights Reserved - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 53 Temple Place Ste 330, - * Boston MA 02111-1307, USA; either version 2 of the License, or - * (at your option) any later version; incorporated herein by reference. - * - * ----------------------------------------------------------------------- */ - -/* - * raid6x86.h - * - * Definitions common to x86 and x86-64 RAID-6 code only - */ - -#ifndef LINUX_RAID_RAID6X86_H -#define LINUX_RAID_RAID6X86_H - -#if (defined(__i386__) || defined(__x86_64__)) && !defined(__arch_um__) - -#ifdef __KERNEL__ /* Real code */ - -#include <asm/i387.h> - -#else /* Dummy code for user space testing */ - -static inline void kernel_fpu_begin(void) -{ -} - -static inline void kernel_fpu_end(void) -{ -} - -#define X86_FEATURE_MMX (0*32+23) /* Multimedia Extensions */ -#define X86_FEATURE_FXSR (0*32+24) /* FXSAVE and FXRSTOR instructions - * (fast save and restore) */ -#define X86_FEATURE_XMM (0*32+25) /* Streaming SIMD Extensions */ -#define X86_FEATURE_XMM2 (0*32+26) /* Streaming SIMD Extensions-2 */ -#define X86_FEATURE_MMXEXT (1*32+22) /* AMD MMX extensions */ - -/* Should work well enough on modern CPUs for testing */ -static inline int boot_cpu_has(int flag) -{ - u32 eax = (flag >> 5) ? 0x80000001 : 1; - u32 edx; - - asm volatile("cpuid" - : "+a" (eax), "=d" (edx) - : : "ecx", "ebx"); - - return (edx >> (flag & 31)) & 1; -} - -#endif /* ndef __KERNEL__ */ - -#endif -#endif diff --git a/drivers/md/unroll.awk b/drivers/md/unroll.awk deleted file mode 100644 index c6aa036..0000000 --- a/drivers/md/unroll.awk +++ /dev/null @@ -1,20 +0,0 @@ - -# This filter requires one command line option of form -vN=n -# where n must be a decimal number. -# -# Repeat each input line containing $$ n times, replacing $$ with 0...n-1. -# Replace each $# with n, and each $* with a single $. - -BEGIN { - n = N + 0 -} -{ - if (/\$\$/) { rep = n } else { rep = 1 } - for (i = 0; i < rep; ++i) { - tmp = $0 - gsub(/\$\$/, i, tmp) - gsub(/\$\#/, n, tmp) - gsub(/\$\*/, "$", tmp) - print tmp - } -} diff --git a/drivers/media/IR/Kconfig b/drivers/media/IR/Kconfig index 999a825..30e0491 100644 --- a/drivers/media/IR/Kconfig +++ b/drivers/media/IR/Kconfig @@ -1,8 +1,10 @@ -config IR_CORE - tristate +menuconfig IR_CORE + tristate "Infrared remote controller adapters" depends on INPUT default INPUT +if IR_CORE + config VIDEO_IR tristate depends on IR_CORE @@ -16,7 +18,7 @@ config LIRC Enable this option to build the Linux Infrared Remote Control (LIRC) core device interface driver. The LIRC interface passes raw IR to and from userspace, where the - LIRC daemon handles protocol decoding for IR reception ann + LIRC daemon handles protocol decoding for IR reception and encoding for IR transmitting (aka "blasting"). source "drivers/media/IR/keymaps/Kconfig" @@ -103,3 +105,31 @@ config IR_MCEUSB To compile this driver as a module, choose M here: the module will be called mceusb. + +config IR_ENE + tristate "ENE eHome Receiver/Transciever (pnp id: ENE0100/ENE02xxx)" + depends on PNP + depends on IR_CORE + ---help--- + Say Y here to enable support for integrated infrared receiver + /transciever made by ENE. + + You can see if you have it by looking at lspnp output. + Output should include ENE0100 ENE0200 or something similiar. + + To compile this driver as a module, choose M here: the + module will be called ene_ir. + +config IR_STREAMZAP + tristate "Streamzap PC Remote IR Receiver" + depends on USB_ARCH_HAS_HCD + depends on IR_CORE + select USB + ---help--- + Say Y here if you want to use a Streamzap PC Remote + Infrared Receiver. + + To compile this driver as a module, choose M here: the + module will be called streamzap. + +endif #IR_CORE diff --git a/drivers/media/IR/Makefile b/drivers/media/IR/Makefile index 2ae4f3a..5367683 100644 --- a/drivers/media/IR/Makefile +++ b/drivers/media/IR/Makefile @@ -16,3 +16,5 @@ obj-$(CONFIG_IR_LIRC_CODEC) += ir-lirc-codec.o # stand-alone IR receivers/transmitters obj-$(CONFIG_IR_IMON) += imon.o obj-$(CONFIG_IR_MCEUSB) += mceusb.o +obj-$(CONFIG_IR_ENE) += ene_ir.o +obj-$(CONFIG_IR_STREAMZAP) += streamzap.o diff --git a/drivers/media/IR/ene_ir.c b/drivers/media/IR/ene_ir.c new file mode 100644 index 0000000..5447750 --- /dev/null +++ b/drivers/media/IR/ene_ir.c @@ -0,0 +1,1023 @@ +/* + * driver for ENE KB3926 B/C/D CIR (pnp id: ENE0XXX) + * + * Copyright (C) 2010 Maxim Levitsky <maximlevitsky@gmail.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/pnp.h> +#include <linux/io.h> +#include <linux/interrupt.h> +#include <linux/sched.h> +#include <linux/slab.h> +#include <linux/input.h> +#include <media/ir-core.h> +#include <media/ir-common.h> +#include "ene_ir.h" + + +static int sample_period = -1; +static int enable_idle = 1; +static int input = 1; +static int debug; +static int txsim; + +static int ene_irq_status(struct ene_device *dev); + +/* read a hardware register */ +static u8 ene_hw_read_reg(struct ene_device *dev, u16 reg) +{ + u8 retval; + outb(reg >> 8, dev->hw_io + ENE_ADDR_HI); + outb(reg & 0xFF, dev->hw_io + ENE_ADDR_LO); + retval = inb(dev->hw_io + ENE_IO); + + ene_dbg_verbose("reg %04x == %02x", reg, retval); + return retval; +} + +/* write a hardware register */ +static void ene_hw_write_reg(struct ene_device *dev, u16 reg, u8 value) +{ + outb(reg >> 8, dev->hw_io + ENE_ADDR_HI); + outb(reg & 0xFF, dev->hw_io + ENE_ADDR_LO); + outb(value, dev->hw_io + ENE_IO); + + ene_dbg_verbose("reg %04x <- %02x", reg, value); +} + +/* change specific bits in hardware register */ +static void ene_hw_write_reg_mask(struct ene_device *dev, + u16 reg, u8 value, u8 mask) +{ + u8 regvalue; + + outb(reg >> 8, dev->hw_io + ENE_ADDR_HI); + outb(reg & 0xFF, dev->hw_io + ENE_ADDR_LO); + + regvalue = inb(dev->hw_io + ENE_IO) & ~mask; + regvalue |= (value & mask); + outb(regvalue, dev->hw_io + ENE_IO); + + ene_dbg_verbose("reg %04x <- %02x (mask=%02x)", reg, value, mask); +} + +/* detect hardware features */ +static int ene_hw_detect(struct ene_device *dev) +{ + u8 chip_major, chip_minor; + u8 hw_revision, old_ver; + u8 tmp; + u8 fw_capabilities; + int pll_freq; + + tmp = ene_hw_read_reg(dev, ENE_HW_UNK); + ene_hw_write_reg(dev, ENE_HW_UNK, tmp & ~ENE_HW_UNK_CLR); + + chip_major = ene_hw_read_reg(dev, ENE_HW_VER_MAJOR); + chip_minor = ene_hw_read_reg(dev, ENE_HW_VER_MINOR); + + ene_hw_write_reg(dev, ENE_HW_UNK, tmp); + hw_revision = ene_hw_read_reg(dev, ENE_HW_VERSION); + old_ver = ene_hw_read_reg(dev, ENE_HW_VER_OLD); + + pll_freq = (ene_hw_read_reg(dev, ENE_PLLFRH) << 4) + + (ene_hw_read_reg(dev, ENE_PLLFRL) >> 4); + + if (pll_freq != 1000) + dev->rx_period_adjust = 4; + else + dev->rx_period_adjust = 2; + + + ene_printk(KERN_NOTICE, "PLL freq = %d\n", pll_freq); + + if (hw_revision == 0xFF) { + + ene_printk(KERN_WARNING, "device seems to be disabled\n"); + ene_printk(KERN_WARNING, + "send a mail to lirc-list@lists.sourceforge.net\n"); + ene_printk(KERN_WARNING, "please attach output of acpidump\n"); + return -ENODEV; + } + + if (chip_major == 0x33) { + ene_printk(KERN_WARNING, "chips 0x33xx aren't supported\n"); + return -ENODEV; + } + + if (chip_major == 0x39 && chip_minor == 0x26 && hw_revision == 0xC0) { + dev->hw_revision = ENE_HW_C; + } else if (old_ver == 0x24 && hw_revision == 0xC0) { + dev->hw_revision = ENE_HW_B; + ene_printk(KERN_NOTICE, "KB3926B detected\n"); + } else { + dev->hw_revision = ENE_HW_D; + ene_printk(KERN_WARNING, + "unknown ENE chip detected, assuming KB3926D\n"); + ene_printk(KERN_WARNING, + "driver support might be not complete"); + + } + + ene_printk(KERN_DEBUG, + "chip is 0x%02x%02x - kbver = 0x%02x, rev = 0x%02x\n", + chip_major, chip_minor, old_ver, hw_revision); + + /* detect features hardware supports */ + if (dev->hw_revision < ENE_HW_C) + return 0; + + fw_capabilities = ene_hw_read_reg(dev, ENE_FW2); + ene_dbg("Firmware capabilities: %02x", fw_capabilities); + + dev->hw_gpio40_learning = fw_capabilities & ENE_FW2_GP40_AS_LEARN; + dev->hw_learning_and_tx_capable = fw_capabilities & ENE_FW2_LEARNING; + + dev->hw_fan_as_normal_input = dev->hw_learning_and_tx_capable && + (fw_capabilities & ENE_FW2_FAN_AS_NRML_IN); + + ene_printk(KERN_NOTICE, "hardware features:\n"); + ene_printk(KERN_NOTICE, + "learning and transmit %s, gpio40_learn %s, fan_in %s\n", + dev->hw_learning_and_tx_capable ? "on" : "off", + dev->hw_gpio40_learning ? "on" : "off", + dev->hw_fan_as_normal_input ? "on" : "off"); + + if (dev->hw_learning_and_tx_capable) { + ene_printk(KERN_WARNING, + "Device supports transmitting, but that support is\n"); + ene_printk(KERN_WARNING, + "lightly tested. Please test it and mail\n"); + ene_printk(KERN_WARNING, + "lirc-list@lists.sourceforge.net\n"); + } + return 0; +} + +/* this enables/disables IR input via gpio40*/ +static void ene_enable_gpio40_receive(struct ene_device *dev, int enable) +{ + ene_hw_write_reg_mask(dev, ENE_CIR_CONF2, enable ? + 0 : ENE_CIR_CONF2_GPIO40DIS, + ENE_CIR_CONF2_GPIO40DIS); +} + +/* this enables/disables IR via standard input */ +static void ene_enable_normal_receive(struct ene_device *dev, int enable) +{ + ene_hw_write_reg(dev, ENE_CIR_CONF1, enable ? ENE_CIR_CONF1_RX_ON : 0); +} + +/* this enables/disables IR input via unused fan tachtometer input */ +static void ene_enable_fan_receive(struct ene_device *dev, int enable) +{ + if (!enable) + ene_hw_write_reg(dev, ENE_FAN_AS_IN1, 0); + else { + ene_hw_write_reg(dev, ENE_FAN_AS_IN1, ENE_FAN_AS_IN1_EN); + ene_hw_write_reg(dev, ENE_FAN_AS_IN2, ENE_FAN_AS_IN2_EN); + } + dev->rx_fan_input_inuse = enable; +} + + +/* Sense current received carrier */ +static int ene_rx_sense_carrier(struct ene_device *dev) +{ + int period = ene_hw_read_reg(dev, ENE_RX_CARRIER); + int carrier; + ene_dbg("RX: hardware carrier period = %02x", period); + + if (!(period & ENE_RX_CARRIER_VALID)) + return 0; + + period &= ~ENE_RX_CARRIER_VALID; + + if (!period) + return 0; + + carrier = 2000000 / period; + ene_dbg("RX: sensed carrier = %d Hz", carrier); + return carrier; +} + +/* determine which input to use*/ +static void ene_rx_set_inputs(struct ene_device *dev) +{ + int learning_mode = dev->learning_enabled; + + ene_dbg("RX: setup receiver, learning mode = %d", learning_mode); + + ene_enable_normal_receive(dev, 1); + + /* old hardware doesn't support learning mode for sure */ + if (dev->hw_revision <= ENE_HW_B) + return; + + /* receiver not learning capable, still set gpio40 correctly */ + if (!dev->hw_learning_and_tx_capable) { + ene_enable_gpio40_receive(dev, !dev->hw_gpio40_learning); + return; + } + + /* enable learning mode */ + if (learning_mode) { + ene_enable_gpio40_receive(dev, dev->hw_gpio40_learning); + + /* fan input is not used for learning */ + if (dev->hw_fan_as_normal_input) + ene_enable_fan_receive(dev, 0); + + /* disable learning mode */ + } else { + if (dev->hw_fan_as_normal_input) { + ene_enable_fan_receive(dev, 1); + ene_enable_normal_receive(dev, 0); + } else + ene_enable_gpio40_receive(dev, + !dev->hw_gpio40_learning); + } + + /* set few additional settings for this mode */ + ene_hw_write_reg_mask(dev, ENE_CIR_CONF1, learning_mode ? + ENE_CIR_CONF1_LEARN1 : 0, ENE_CIR_CONF1_LEARN1); + + ene_hw_write_reg_mask(dev, ENE_CIR_CONF2, learning_mode ? + ENE_CIR_CONF2_LEARN2 : 0, ENE_CIR_CONF2_LEARN2); + + if (dev->rx_fan_input_inuse) { + dev->props->rx_resolution = ENE_SAMPLE_PERIOD_FAN * 1000; + + dev->props->timeout = + ENE_FAN_VALUE_MASK * ENE_SAMPLE_PERIOD_FAN * 1000; + } else { + dev->props->rx_resolution = sample_period * 1000; + dev->props->timeout = ENE_MAXGAP * 1000; + } +} + +/* Enable the device for receive */ +static void ene_rx_enable(struct ene_device *dev) +{ + u8 reg_value; + + if (dev->hw_revision < ENE_HW_C) { + ene_hw_write_reg(dev, ENEB_IRQ, dev->irq << 1); + ene_hw_write_reg(dev, ENEB_IRQ_UNK1, 0x01); + } else { + reg_value = ene_hw_read_reg(dev, ENEC_IRQ) & 0xF0; + reg_value |= ENEC_IRQ_UNK_EN; + reg_value &= ~ENEC_IRQ_STATUS; + reg_value |= (dev->irq & ENEC_IRQ_MASK); + ene_hw_write_reg(dev, ENEC_IRQ, reg_value); + ene_hw_write_reg(dev, ENE_TX_UNK1, 0x63); + } + + ene_hw_write_reg(dev, ENE_CIR_CONF2, 0x00); + ene_rx_set_inputs(dev); + + /* set sampling period */ + ene_hw_write_reg(dev, ENE_CIR_SAMPLE_PERIOD, sample_period); + + /* ack any pending irqs - just in case */ + ene_irq_status(dev); + + /* enable firmware bits */ + ene_hw_write_reg_mask(dev, ENE_FW1, + ENE_FW1_ENABLE | ENE_FW1_IRQ, + ENE_FW1_ENABLE | ENE_FW1_IRQ); + + /* enter idle mode */ + ir_raw_event_set_idle(dev->idev, 1); + ir_raw_event_reset(dev->idev); + +} + +/* Disable the device receiver */ +static void ene_rx_disable(struct ene_device *dev) +{ + /* disable inputs */ + ene_enable_normal_receive(dev, 0); + + if (dev->hw_fan_as_normal_input) + ene_enable_fan_receive(dev, 0); + + /* disable hardware IRQ and firmware flag */ + ene_hw_write_reg_mask(dev, ENE_FW1, 0, ENE_FW1_ENABLE | ENE_FW1_IRQ); + + ir_raw_event_set_idle(dev->idev, 1); + ir_raw_event_reset(dev->idev); +} + + +/* prepare transmission */ +static void ene_tx_prepare(struct ene_device *dev) +{ + u8 conf1; + + conf1 = ene_hw_read_reg(dev, ENE_CIR_CONF1); + dev->saved_conf1 = conf1; + + if (dev->hw_revision == ENE_HW_C) + conf1 &= ~ENE_CIR_CONF1_TX_CLEAR; + + /* Enable TX engine */ + conf1 |= ENE_CIR_CONF1_TX_ON; + + /* Set carrier */ + if (dev->tx_period) { + + /* NOTE: duty cycle handling is just a guess, it might + not be aviable. Default values were tested */ + int tx_period_in500ns = dev->tx_period * 2; + + int tx_pulse_width_in_500ns = + tx_period_in500ns / (100 / dev->tx_duty_cycle); + + if (!tx_pulse_width_in_500ns) + tx_pulse_width_in_500ns = 1; + + ene_dbg("TX: pulse distance = %d * 500 ns", tx_period_in500ns); + ene_dbg("TX: pulse width = %d * 500 ns", + tx_pulse_width_in_500ns); + + ene_hw_write_reg(dev, ENE_TX_PERIOD, ENE_TX_PERIOD_UNKBIT | + tx_period_in500ns); + + ene_hw_write_reg(dev, ENE_TX_PERIOD_PULSE, + tx_pulse_width_in_500ns); + + conf1 |= ENE_CIR_CONF1_TX_CARR; + } else + conf1 &= ~ENE_CIR_CONF1_TX_CARR; + + ene_hw_write_reg(dev, ENE_CIR_CONF1, conf1); + +} + +/* end transmission */ +static void ene_tx_complete(struct ene_device *dev) +{ + ene_hw_write_reg(dev, ENE_CIR_CONF1, dev->saved_conf1); + dev->tx_buffer = NULL; +} + +/* set transmit mask */ +static void ene_tx_hw_set_transmiter_mask(struct ene_device *dev) +{ + u8 txport1 = ene_hw_read_reg(dev, ENE_TX_PORT1) & ~ENE_TX_PORT1_EN; + u8 txport2 = ene_hw_read_reg(dev, ENE_TX_PORT2) & ~ENE_TX_PORT2_EN; + + if (dev->transmitter_mask & 0x01) + txport1 |= ENE_TX_PORT1_EN; + + if (dev->transmitter_mask & 0x02) + txport2 |= ENE_TX_PORT2_EN; + + ene_hw_write_reg(dev, ENE_TX_PORT1, txport1); + ene_hw_write_reg(dev, ENE_TX_PORT2, txport2); +} + +/* TX one sample - must be called with dev->hw_lock*/ +static void ene_tx_sample(struct ene_device *dev) +{ + u8 raw_tx; + u32 sample; + + if (!dev->tx_buffer) { + ene_dbg("TX: attempt to transmit NULL buffer"); + return; + } + + /* Grab next TX sample */ + if (!dev->tx_sample) { +again: + if (dev->tx_pos == dev->tx_len + 1) { + if (!dev->tx_done) { + ene_dbg("TX: no more data to send"); + dev->tx_done = 1; + goto exit; + } else { + ene_dbg("TX: last sample sent by hardware"); + ene_tx_complete(dev); + complete(&dev->tx_complete); + return; + } + } + + sample = dev->tx_buffer[dev->tx_pos++]; + dev->tx_sample_pulse = !dev->tx_sample_pulse; + + ene_dbg("TX: sample %8d (%s)", sample, dev->tx_sample_pulse ? + "pulse" : "space"); + + dev->tx_sample = DIV_ROUND_CLOSEST(sample, ENE_TX_SMPL_PERIOD); + + /* guard against too short samples */ + if (!dev->tx_sample) + goto again; + } + + raw_tx = min(dev->tx_sample , (unsigned int)ENE_TX_SMLP_MASK); + dev->tx_sample -= raw_tx; + + if (dev->tx_sample_pulse) + raw_tx |= ENE_TX_PULSE_MASK; + + ene_hw_write_reg(dev, ENE_TX_INPUT1 + dev->tx_reg, raw_tx); + dev->tx_reg = !dev->tx_reg; +exit: + /* simulate TX done interrupt */ + if (txsim) + mod_timer(&dev->tx_sim_timer, jiffies + HZ / 500); +} + +/* timer to simulate tx done interrupt */ +static void ene_tx_irqsim(unsigned long data) +{ + struct ene_device *dev = (struct ene_device *)data; + unsigned long flags; + + spin_lock_irqsave(&dev->hw_lock, flags); + ene_tx_sample(dev); + spin_unlock_irqrestore(&dev->hw_lock, flags); +} + + +/* read irq status and ack it */ +static int ene_irq_status(struct ene_device *dev) +{ + u8 irq_status; + u8 fw_flags1, fw_flags2; + int cur_rx_pointer; + int retval = 0; + + fw_flags2 = ene_hw_read_reg(dev, ENE_FW2); + cur_rx_pointer = !!(fw_flags2 & ENE_FW2_BUF_HIGH); + + if (dev->hw_revision < ENE_HW_C) { + irq_status = ene_hw_read_reg(dev, ENEB_IRQ_STATUS); + + if (!(irq_status & ENEB_IRQ_STATUS_IR)) + return 0; + + ene_hw_write_reg(dev, ENEB_IRQ_STATUS, + irq_status & ~ENEB_IRQ_STATUS_IR); + dev->rx_pointer = cur_rx_pointer; + return ENE_IRQ_RX; + } + + irq_status = ene_hw_read_reg(dev, ENEC_IRQ); + + if (!(irq_status & ENEC_IRQ_STATUS)) + return 0; + + /* original driver does that twice - a workaround ? */ + ene_hw_write_reg(dev, ENEC_IRQ, irq_status & ~ENEC_IRQ_STATUS); + ene_hw_write_reg(dev, ENEC_IRQ, irq_status & ~ENEC_IRQ_STATUS); + + /* clear unknown flag in F8F9 */ + if (fw_flags2 & ENE_FW2_IRQ_CLR) + ene_hw_write_reg(dev, ENE_FW2, fw_flags2 & ~ENE_FW2_IRQ_CLR); + + /* check if this is a TX interrupt */ + fw_flags1 = ene_hw_read_reg(dev, ENE_FW1); + if (fw_flags1 & ENE_FW1_TXIRQ) { + ene_hw_write_reg(dev, ENE_FW1, fw_flags1 & ~ENE_FW1_TXIRQ); + retval |= ENE_IRQ_TX; + } + + /* Check if this is RX interrupt */ + if (dev->rx_pointer != cur_rx_pointer) { + retval |= ENE_IRQ_RX; + dev->rx_pointer = cur_rx_pointer; + + } else if (!(retval & ENE_IRQ_TX)) { + ene_dbg("RX: interrupt without change in RX pointer(%d)", + dev->rx_pointer); + retval |= ENE_IRQ_RX; + } + + if ((retval & ENE_IRQ_RX) && (retval & ENE_IRQ_TX)) + ene_dbg("both RX and TX interrupt at same time"); + + return retval; +} + +/* interrupt handler */ +static irqreturn_t ene_isr(int irq, void *data) +{ + u16 hw_value; + int i, hw_sample; + int pulse; + int irq_status; + unsigned long flags; + int carrier = 0; + irqreturn_t retval = IRQ_NONE; + struct ene_device *dev = (struct ene_device *)data; + struct ir_raw_event ev; + + + spin_lock_irqsave(&dev->hw_lock, flags); + irq_status = ene_irq_status(dev); + + if (!irq_status) + goto unlock; + + retval = IRQ_HANDLED; + + if (irq_status & ENE_IRQ_TX) { + + if (!dev->hw_learning_and_tx_capable) { + ene_dbg("TX interrupt on unsupported device!"); + goto unlock; + } + ene_tx_sample(dev); + } + + if (!(irq_status & ENE_IRQ_RX)) + goto unlock; + + + if (dev->carrier_detect_enabled || debug) + carrier = ene_rx_sense_carrier(dev); +#if 0 + /* TODO */ + if (dev->carrier_detect_enabled && carrier) + ir_raw_event_report_frequency(dev->idev, carrier); +#endif + + for (i = 0; i < ENE_SAMPLES_SIZE; i++) { + hw_value = ene_hw_read_reg(dev, + ENE_SAMPLE_BUFFER + dev->rx_pointer * 4 + i); + + if (dev->rx_fan_input_inuse) { + /* read high part of the sample */ + hw_value |= ene_hw_read_reg(dev, + ENE_SAMPLE_BUFFER_FAN + + dev->rx_pointer * 4 + i) << 8; + pulse = hw_value & ENE_FAN_SMPL_PULS_MSK; + + /* clear space bit, and other unused bits */ + hw_value &= ENE_FAN_VALUE_MASK; + hw_sample = hw_value * ENE_SAMPLE_PERIOD_FAN; + + } else { + pulse = !(hw_value & ENE_SAMPLE_SPC_MASK); + hw_value &= ENE_SAMPLE_VALUE_MASK; + hw_sample = hw_value * sample_period; + + if (dev->rx_period_adjust) { + hw_sample *= (100 - dev->rx_period_adjust); + hw_sample /= 100; + } + } + /* no more data */ + if (!(hw_value)) + break; + + ene_dbg("RX: %d (%s)", hw_sample, pulse ? "pulse" : "space"); + + + ev.duration = hw_sample * 1000; + ev.pulse = pulse; + ir_raw_event_store_with_filter(dev->idev, &ev); + } + + ir_raw_event_handle(dev->idev); +unlock: + spin_unlock_irqrestore(&dev->hw_lock, flags); + return retval; +} + +/* Initialize default settings */ +static void ene_setup_settings(struct ene_device *dev) +{ + dev->tx_period = 32; + dev->tx_duty_cycle = 25; /*%*/ + dev->transmitter_mask = 3; + + /* Force learning mode if (input == 2), otherwise + let user set it with LIRC_SET_REC_CARRIER */ + dev->learning_enabled = + (input == 2 && dev->hw_learning_and_tx_capable); + + dev->rx_pointer = -1; + +} + +/* outside interface: called on first open*/ +static int ene_open(void *data) +{ + struct ene_device *dev = (struct ene_device *)data; + unsigned long flags; + + spin_lock_irqsave(&dev->hw_lock, flags); + dev->in_use = 1; + ene_setup_settings(dev); + ene_rx_enable(dev); + spin_unlock_irqrestore(&dev->hw_lock, flags); + return 0; +} + +/* outside interface: called on device close*/ +static void ene_close(void *data) +{ + struct ene_device *dev = (struct ene_device *)data; + unsigned long flags; + spin_lock_irqsave(&dev->hw_lock, flags); + + ene_rx_disable(dev); + dev->in_use = 0; + spin_unlock_irqrestore(&dev->hw_lock, flags); +} + +/* outside interface: set transmitter mask */ +static int ene_set_tx_mask(void *data, u32 tx_mask) +{ + struct ene_device *dev = (struct ene_device *)data; + unsigned long flags; + ene_dbg("TX: attempt to set transmitter mask %02x", tx_mask); + + /* invalid txmask */ + if (!tx_mask || tx_mask & ~0x3) { + ene_dbg("TX: invalid mask"); + /* return count of transmitters */ + return 2; + } + + spin_lock_irqsave(&dev->hw_lock, flags); + dev->transmitter_mask = tx_mask; + spin_unlock_irqrestore(&dev->hw_lock, flags); + return 0; +} + +/* outside interface : set tx carrier */ +static int ene_set_tx_carrier(void *data, u32 carrier) +{ + struct ene_device *dev = (struct ene_device *)data; + unsigned long flags; + u32 period = 1000000 / carrier; /* (1 / freq) (* # usec in 1 sec) */ + + ene_dbg("TX: attempt to set tx carrier to %d kHz", carrier); + + if (period && (period > ENE_TX_PERIOD_MAX || + period < ENE_TX_PERIOD_MIN)) { + + ene_dbg("TX: out of range %d-%d carrier, " + "falling back to 32 kHz", + 1000 / ENE_TX_PERIOD_MIN, + 1000 / ENE_TX_PERIOD_MAX); + + period = 32; /* this is just a coincidence!!! */ + } + ene_dbg("TX: set carrier to %d kHz", carrier); + + spin_lock_irqsave(&dev->hw_lock, flags); + dev->tx_period = period; + spin_unlock_irqrestore(&dev->hw_lock, flags); + return 0; +} + + +/* outside interface: enable learning mode */ +static int ene_set_learning_mode(void *data, int enable) +{ + struct ene_device *dev = (struct ene_device *)data; + unsigned long flags; + if (enable == dev->learning_enabled) + return 0; + + spin_lock_irqsave(&dev->hw_lock, flags); + dev->learning_enabled = enable; + ene_rx_set_inputs(dev); + spin_unlock_irqrestore(&dev->hw_lock, flags); + return 0; +} + +/* outside interface: set rec carrier */ +static int ene_set_rec_carrier(void *data, u32 min, u32 max) +{ + struct ene_device *dev = (struct ene_device *)data; + ene_set_learning_mode(dev, + max > ENE_NORMAL_RX_HI || min < ENE_NORMAL_RX_LOW); + return 0; +} + +/* outside interface: enable or disable idle mode */ +static void ene_rx_set_idle(void *data, int idle) +{ + struct ene_device *dev = (struct ene_device *)data; + ene_dbg("%sabling idle mode", idle ? "en" : "dis"); + + ene_hw_write_reg_mask(dev, ENE_CIR_SAMPLE_PERIOD, + (enable_idle && idle) ? 0 : ENE_CIR_SAMPLE_OVERFLOW, + ENE_CIR_SAMPLE_OVERFLOW); +} + + +/* outside interface: transmit */ +static int ene_transmit(void *data, int *buf, u32 n) +{ + struct ene_device *dev = (struct ene_device *)data; + unsigned long flags; + + dev->tx_buffer = buf; + dev->tx_len = n / sizeof(int); + dev->tx_pos = 0; + dev->tx_reg = 0; + dev->tx_done = 0; + dev->tx_sample = 0; + dev->tx_sample_pulse = 0; + + ene_dbg("TX: %d samples", dev->tx_len); + + spin_lock_irqsave(&dev->hw_lock, flags); + + ene_tx_hw_set_transmiter_mask(dev); + ene_tx_prepare(dev); + + /* Transmit first two samples */ + ene_tx_sample(dev); + ene_tx_sample(dev); + + spin_unlock_irqrestore(&dev->hw_lock, flags); + + if (wait_for_completion_timeout(&dev->tx_complete, 2 * HZ) == 0) { + ene_dbg("TX: timeout"); + spin_lock_irqsave(&dev->hw_lock, flags); + ene_tx_complete(dev); + spin_unlock_irqrestore(&dev->hw_lock, flags); + } else + ene_dbg("TX: done"); + return n; +} + + +/* probe entry */ +static int ene_probe(struct pnp_dev *pnp_dev, const struct pnp_device_id *id) +{ + int error = -ENOMEM; + struct ir_dev_props *ir_props; + struct input_dev *input_dev; + struct ene_device *dev; + + /* allocate memory */ + input_dev = input_allocate_device(); + ir_props = kzalloc(sizeof(struct ir_dev_props), GFP_KERNEL); + dev = kzalloc(sizeof(struct ene_device), GFP_KERNEL); + + if (!input_dev || !ir_props || !dev) + goto error; + + /* validate resources */ + error = -ENODEV; + + if (!pnp_port_valid(pnp_dev, 0) || + pnp_port_len(pnp_dev, 0) < ENE_MAX_IO) + goto error; + + if (!pnp_irq_valid(pnp_dev, 0)) + goto error; + + dev->hw_io = pnp_port_start(pnp_dev, 0); + dev->irq = pnp_irq(pnp_dev, 0); + spin_lock_init(&dev->hw_lock); + + /* claim the resources */ + error = -EBUSY; + if (!request_region(dev->hw_io, ENE_MAX_IO, ENE_DRIVER_NAME)) + goto error; + + if (request_irq(dev->irq, ene_isr, + IRQF_SHARED, ENE_DRIVER_NAME, (void *)dev)) + goto error; + + pnp_set_drvdata(pnp_dev, dev); + dev->pnp_dev = pnp_dev; + + /* detect hardware version and features */ + error = ene_hw_detect(dev); + if (error) + goto error; + + ene_setup_settings(dev); + + if (!dev->hw_learning_and_tx_capable && txsim) { + dev->hw_learning_and_tx_capable = 1; + setup_timer(&dev->tx_sim_timer, ene_tx_irqsim, + (long unsigned int)dev); + ene_printk(KERN_WARNING, + "Simulation of TX activated\n"); + } + + ir_props->driver_type = RC_DRIVER_IR_RAW; + ir_props->allowed_protos = IR_TYPE_ALL; + ir_props->priv = dev; + ir_props->open = ene_open; + ir_props->close = ene_close; + ir_props->min_timeout = ENE_MINGAP * 1000; + ir_props->max_timeout = ENE_MAXGAP * 1000; + ir_props->timeout = ENE_MAXGAP * 1000; + + if (dev->hw_revision == ENE_HW_B) + ir_props->s_idle = ene_rx_set_idle; + + + dev->props = ir_props; + dev->idev = input_dev; + + /* don't allow too short/long sample periods */ + if (sample_period < 5 || sample_period > 0x7F) + sample_period = -1; + + /* choose default sample period */ + if (sample_period == -1) { + + sample_period = 50; + + /* on revB, hardware idle mode eats first sample + if we set too low sample period */ + if (dev->hw_revision == ENE_HW_B && enable_idle) + sample_period = 75; + } + + ir_props->rx_resolution = sample_period * 1000; + + if (dev->hw_learning_and_tx_capable) { + + ir_props->s_learning_mode = ene_set_learning_mode; + + if (input == 0) + ir_props->s_rx_carrier_range = ene_set_rec_carrier; + + init_completion(&dev->tx_complete); + ir_props->tx_ir = ene_transmit; + ir_props->s_tx_mask = ene_set_tx_mask; + ir_props->s_tx_carrier = ene_set_tx_carrier; + ir_props->tx_resolution = ENE_TX_SMPL_PERIOD * 1000; + /* ir_props->s_carrier_report = ene_set_carrier_report; */ + } + + + device_set_wakeup_capable(&pnp_dev->dev, 1); + device_set_wakeup_enable(&pnp_dev->dev, 1); + + if (dev->hw_learning_and_tx_capable) + input_dev->name = "ENE eHome Infrared Remote Transceiver"; + else + input_dev->name = "ENE eHome Infrared Remote Receiver"; + + + error = -ENODEV; + if (ir_input_register(input_dev, RC_MAP_RC6_MCE, ir_props, + ENE_DRIVER_NAME)) + goto error; + + + ene_printk(KERN_NOTICE, "driver has been succesfully loaded\n"); + return 0; +error: + if (dev->irq) + free_irq(dev->irq, dev); + if (dev->hw_io) + release_region(dev->hw_io, ENE_MAX_IO); + + input_free_device(input_dev); + kfree(ir_props); + kfree(dev); + return error; +} + +/* main unload function */ +static void ene_remove(struct pnp_dev *pnp_dev) +{ + struct ene_device *dev = pnp_get_drvdata(pnp_dev); + unsigned long flags; + + spin_lock_irqsave(&dev->hw_lock, flags); + ene_rx_disable(dev); + spin_unlock_irqrestore(&dev->hw_lock, flags); + + free_irq(dev->irq, dev); + release_region(dev->hw_io, ENE_MAX_IO); + ir_input_unregister(dev->idev); + kfree(dev->props); + kfree(dev); +} + +/* enable wake on IR (wakes on specific button on original remote) */ +static void ene_enable_wake(struct ene_device *dev, int enable) +{ + enable = enable && device_may_wakeup(&dev->pnp_dev->dev); + + ene_dbg("wake on IR %s", enable ? "enabled" : "disabled"); + + ene_hw_write_reg_mask(dev, ENE_FW1, enable ? + ENE_FW1_WAKE : 0, ENE_FW1_WAKE); +} + +#ifdef CONFIG_PM +static int ene_suspend(struct pnp_dev *pnp_dev, pm_message_t state) +{ + struct ene_device *dev = pnp_get_drvdata(pnp_dev); + ene_enable_wake(dev, 1); + return 0; +} + +static int ene_resume(struct pnp_dev *pnp_dev) +{ + struct ene_device *dev = pnp_get_drvdata(pnp_dev); + if (dev->in_use) + ene_rx_enable(dev); + + ene_enable_wake(dev, 0); + return 0; +} +#endif + +static void ene_shutdown(struct pnp_dev *pnp_dev) +{ + struct ene_device *dev = pnp_get_drvdata(pnp_dev); + ene_enable_wake(dev, 1); +} + +static const struct pnp_device_id ene_ids[] = { + {.id = "ENE0100",}, + {.id = "ENE0200",}, + {.id = "ENE0201",}, + {.id = "ENE0202",}, + {}, +}; + +static struct pnp_driver ene_driver = { + .name = ENE_DRIVER_NAME, + .id_table = ene_ids, + .flags = PNP_DRIVER_RES_DO_NOT_CHANGE, + + .probe = ene_probe, + .remove = __devexit_p(ene_remove), +#ifdef CONFIG_PM + .suspend = ene_suspend, + .resume = ene_resume, +#endif + .shutdown = ene_shutdown, +}; + +static int __init ene_init(void) +{ + return pnp_register_driver(&ene_driver); +} + +static void ene_exit(void) +{ + pnp_unregister_driver(&ene_driver); +} + +module_param(sample_period, int, S_IRUGO); +MODULE_PARM_DESC(sample_period, "Hardware sample period (50 us default)"); + +module_param(enable_idle, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(enable_idle, + "Enables turning off signal sampling after long inactivity time; " + "if disabled might help detecting input signal (default: enabled)" + " (KB3926B only)"); + +module_param(input, bool, S_IRUGO); +MODULE_PARM_DESC(input, "select which input to use " + "0 - auto, 1 - standard, 2 - wideband(KB3926C+)"); + +module_param(debug, int, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(debug, "Enable debug (debug=2 verbose debug output)"); + +module_param(txsim, bool, S_IRUGO); +MODULE_PARM_DESC(txsim, + "Simulate TX features on unsupported hardware (dangerous)"); + +MODULE_DEVICE_TABLE(pnp, ene_ids); +MODULE_DESCRIPTION + ("Infrared input driver for KB3926B/KB3926C/KB3926D " + "(aka ENE0100/ENE0200/ENE0201) CIR port"); + +MODULE_AUTHOR("Maxim Levitsky"); +MODULE_LICENSE("GPL"); + +module_init(ene_init); +module_exit(ene_exit); diff --git a/drivers/media/IR/ene_ir.h b/drivers/media/IR/ene_ir.h new file mode 100644 index 0000000..54c76af --- /dev/null +++ b/drivers/media/IR/ene_ir.h @@ -0,0 +1,235 @@ +/* + * driver for ENE KB3926 B/C/D CIR (also known as ENE0XXX) + * + * Copyright (C) 2010 Maxim Levitsky <maximlevitsky@gmail.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ +#include <linux/spinlock.h> + + +/* hardware address */ +#define ENE_STATUS 0 /* hardware status - unused */ +#define ENE_ADDR_HI 1 /* hi byte of register address */ +#define ENE_ADDR_LO 2 /* low byte of register address */ +#define ENE_IO 3 /* read/write window */ +#define ENE_MAX_IO 4 + +/* 8 bytes of samples, divided in 2 halfs*/ +#define ENE_SAMPLE_BUFFER 0xF8F0 /* regular sample buffer */ +#define ENE_SAMPLE_SPC_MASK 0x80 /* sample is space */ +#define ENE_SAMPLE_VALUE_MASK 0x7F +#define ENE_SAMPLE_OVERFLOW 0x7F +#define ENE_SAMPLES_SIZE 4 + +/* fan input sample buffer */ +#define ENE_SAMPLE_BUFFER_FAN 0xF8FB /* this buffer holds high byte of */ + /* each sample of normal buffer */ +#define ENE_FAN_SMPL_PULS_MSK 0x8000 /* this bit of combined sample */ + /* if set, says that sample is pulse */ +#define ENE_FAN_VALUE_MASK 0x0FFF /* mask for valid bits of the value */ + +/* first firmware register */ +#define ENE_FW1 0xF8F8 +#define ENE_FW1_ENABLE 0x01 /* enable fw processing */ +#define ENE_FW1_TXIRQ 0x02 /* TX interrupt pending */ +#define ENE_FW1_WAKE 0x40 /* enable wake from S3 */ +#define ENE_FW1_IRQ 0x80 /* enable interrupt */ + +/* second firmware register */ +#define ENE_FW2 0xF8F9 +#define ENE_FW2_BUF_HIGH 0x01 /* which half of the buffer to read */ +#define ENE_FW2_IRQ_CLR 0x04 /* clear this on IRQ */ +#define ENE_FW2_GP40_AS_LEARN 0x08 /* normal input is used as */ + /* learning input */ +#define ENE_FW2_FAN_AS_NRML_IN 0x40 /* fan is used as normal input */ +#define ENE_FW2_LEARNING 0x80 /* hardware supports learning and TX */ + +/* transmitter ports */ +#define ENE_TX_PORT2 0xFC01 /* this enables one or both */ +#define ENE_TX_PORT2_EN 0x20 /* TX ports */ +#define ENE_TX_PORT1 0xFC08 +#define ENE_TX_PORT1_EN 0x02 + +/* IRQ registers block (for revision B) */ +#define ENEB_IRQ 0xFD09 /* IRQ number */ +#define ENEB_IRQ_UNK1 0xFD17 /* unknown setting = 1 */ +#define ENEB_IRQ_STATUS 0xFD80 /* irq status */ +#define ENEB_IRQ_STATUS_IR 0x20 /* IR irq */ + +/* fan as input settings - only if learning capable */ +#define ENE_FAN_AS_IN1 0xFE30 /* fan init reg 1 */ +#define ENE_FAN_AS_IN1_EN 0xCD +#define ENE_FAN_AS_IN2 0xFE31 /* fan init reg 2 */ +#define ENE_FAN_AS_IN2_EN 0x03 +#define ENE_SAMPLE_PERIOD_FAN 61 /* fan input has fixed sample period */ + +/* IRQ registers block (for revision C,D) */ +#define ENEC_IRQ 0xFE9B /* new irq settings register */ +#define ENEC_IRQ_MASK 0x0F /* irq number mask */ +#define ENEC_IRQ_UNK_EN 0x10 /* always enabled */ +#define ENEC_IRQ_STATUS 0x20 /* irq status and ACK */ + +/* CIR block settings */ +#define ENE_CIR_CONF1 0xFEC0 +#define ENE_CIR_CONF1_TX_CLEAR 0x01 /* clear that on revC */ + /* while transmitting */ +#define ENE_CIR_CONF1_RX_ON 0x07 /* normal receiver enabled */ +#define ENE_CIR_CONF1_LEARN1 0x08 /* enabled on learning mode */ +#define ENE_CIR_CONF1_TX_ON 0x30 /* enabled on transmit */ +#define ENE_CIR_CONF1_TX_CARR 0x80 /* send TX carrier or not */ + +#define ENE_CIR_CONF2 0xFEC1 /* unknown setting = 0 */ +#define ENE_CIR_CONF2_LEARN2 0x10 /* set on enable learning */ +#define ENE_CIR_CONF2_GPIO40DIS 0x20 /* disable input via gpio40 */ + +#define ENE_CIR_SAMPLE_PERIOD 0xFEC8 /* sample period in us */ +#define ENE_CIR_SAMPLE_OVERFLOW 0x80 /* interrupt on overflows if set */ + + +/* Two byte tx buffer */ +#define ENE_TX_INPUT1 0xFEC9 +#define ENE_TX_INPUT2 0xFECA +#define ENE_TX_PULSE_MASK 0x80 /* Transmitted sample is pulse */ +#define ENE_TX_SMLP_MASK 0x7F +#define ENE_TX_SMPL_PERIOD 50 /* transmit sample period - fixed */ + + +/* Unknown TX setting - TX sample period ??? */ +#define ENE_TX_UNK1 0xFECB /* set to 0x63 */ + +/* Current received carrier period */ +#define ENE_RX_CARRIER 0xFECC /* RX period (500 ns) */ +#define ENE_RX_CARRIER_VALID 0x80 /* Register content valid */ + + +/* TX period (1/carrier) */ +#define ENE_TX_PERIOD 0xFECE /* TX period (500 ns) */ +#define ENE_TX_PERIOD_UNKBIT 0x80 /* This bit set on transmit*/ +#define ENE_TX_PERIOD_PULSE 0xFECF /* TX pulse period (500 ns)*/ + +/* Hardware versions */ +#define ENE_HW_VERSION 0xFF00 /* hardware revision */ +#define ENE_PLLFRH 0xFF16 +#define ENE_PLLFRL 0xFF17 + +#define ENE_HW_UNK 0xFF1D +#define ENE_HW_UNK_CLR 0x04 +#define ENE_HW_VER_MAJOR 0xFF1E /* chip version */ +#define ENE_HW_VER_MINOR 0xFF1F +#define ENE_HW_VER_OLD 0xFD00 + +/* Normal/Learning carrier ranges - only valid if we have learning input*/ +/* TODO: test */ +#define ENE_NORMAL_RX_LOW 34 +#define ENE_NORMAL_RX_HI 38 + +/* Tx carrier range */ +/* Hardware might be able to do more, but this range is enough for + all purposes */ +#define ENE_TX_PERIOD_MAX 32 /* corresponds to 29.4 kHz */ +#define ENE_TX_PERIOD_MIN 16 /* corrsponds to 62.5 kHz */ + + + +/* Minimal and maximal gaps */ + +/* Normal case: + Minimal gap is 0x7F * sample period + Maximum gap depends on hardware. + For KB3926B, it is unlimited, for newer models its around + 250000, after which HW stops sending samples, and that is + not possible to change */ + +/* Fan case: + Both minimal and maximal gaps are same, and equal to 0xFFF * 0x61 + And there is nothing to change this setting +*/ + +#define ENE_MAXGAP 250000 +#define ENE_MINGAP (127 * sample_period) + +/******************************************************************************/ + +#define ENE_DRIVER_NAME "ene_ir" + +#define ENE_IRQ_RX 1 +#define ENE_IRQ_TX 2 + +#define ENE_HW_B 1 /* 3926B */ +#define ENE_HW_C 2 /* 3926C */ +#define ENE_HW_D 3 /* 3926D */ + +#define ene_printk(level, text, ...) \ + printk(level ENE_DRIVER_NAME ": " text, ## __VA_ARGS__) + +#define ene_dbg(text, ...) \ + if (debug) \ + printk(KERN_DEBUG \ + ENE_DRIVER_NAME ": " text "\n" , ## __VA_ARGS__) + +#define ene_dbg_verbose(text, ...) \ + if (debug > 1) \ + printk(KERN_DEBUG \ + ENE_DRIVER_NAME ": " text "\n" , ## __VA_ARGS__) + + +struct ene_device { + struct pnp_dev *pnp_dev; + struct input_dev *idev; + struct ir_dev_props *props; + int in_use; + + /* hw IO settings */ + unsigned long hw_io; + int irq; + spinlock_t hw_lock; + + /* HW features */ + int hw_revision; /* hardware revision */ + bool hw_learning_and_tx_capable; /* learning capable */ + bool hw_gpio40_learning; /* gpio40 is learning */ + bool hw_fan_as_normal_input; /* fan input is used as */ + /* regular input */ + /* HW state*/ + int rx_pointer; /* hw pointer to rx buffer */ + bool rx_fan_input_inuse; /* is fan input in use for rx*/ + int tx_reg; /* current reg used for TX */ + u8 saved_conf1; /* saved FEC0 reg */ + + /* TX sample handling */ + unsigned int tx_sample; /* current sample for TX */ + bool tx_sample_pulse; /* current sample is pulse */ + + /* TX buffer */ + int *tx_buffer; /* input samples buffer*/ + int tx_pos; /* position in that bufer */ + int tx_len; /* current len of tx buffer */ + int tx_done; /* done transmitting */ + /* one more sample pending*/ + struct completion tx_complete; /* TX completion */ + struct timer_list tx_sim_timer; + + /* TX settings */ + int tx_period; + int tx_duty_cycle; + int transmitter_mask; + + /* RX settings */ + bool learning_enabled; /* learning input enabled */ + bool carrier_detect_enabled; /* carrier detect enabled */ + int rx_period_adjust; +}; diff --git a/drivers/media/IR/imon.c b/drivers/media/IR/imon.c index 65c125e..c185422 100644 --- a/drivers/media/IR/imon.c +++ b/drivers/media/IR/imon.c @@ -87,7 +87,6 @@ static ssize_t lcd_write(struct file *file, const char *buf, struct imon_context { struct device *dev; struct ir_dev_props *props; - struct ir_input_dev *ir; /* Newer devices have two interfaces */ struct usb_device *usbdev_intf0; struct usb_device *usbdev_intf1; @@ -1656,7 +1655,6 @@ static struct input_dev *imon_init_idev(struct imon_context *ictx) { struct input_dev *idev; struct ir_dev_props *props; - struct ir_input_dev *ir; int ret, i; idev = input_allocate_device(); @@ -1671,12 +1669,6 @@ static struct input_dev *imon_init_idev(struct imon_context *ictx) goto props_alloc_failed; } - ir = kzalloc(sizeof(struct ir_input_dev), GFP_KERNEL); - if (!ir) { - dev_err(ictx->dev, "remote ir input dev allocation failed\n"); - goto ir_dev_alloc_failed; - } - snprintf(ictx->name_idev, sizeof(ictx->name_idev), "iMON Remote (%04x:%04x)", ictx->vendor, ictx->product); idev->name = ictx->name_idev; @@ -1706,14 +1698,9 @@ static struct input_dev *imon_init_idev(struct imon_context *ictx) props->change_protocol = imon_ir_change_protocol; ictx->props = props; - ictx->ir = ir; - memcpy(&ir->dev, ictx->dev, sizeof(struct device)); - usb_to_input_id(ictx->usbdev_intf0, &idev->id); idev->dev.parent = ictx->dev; - input_set_drvdata(idev, ir); - ret = ir_input_register(idev, RC_MAP_IMON_PAD, props, MOD_NAME); if (ret < 0) { dev_err(ictx->dev, "remote input dev register failed\n"); @@ -1723,8 +1710,6 @@ static struct input_dev *imon_init_idev(struct imon_context *ictx) return idev; idev_register_failed: - kfree(ir); -ir_dev_alloc_failed: kfree(props); props_alloc_failed: input_free_device(idev); @@ -1944,7 +1929,6 @@ static struct imon_context *imon_init_intf0(struct usb_interface *intf) urb_submit_failed: ir_input_unregister(ictx->idev); - input_free_device(ictx->idev); idev_setup_failed: find_endpoint_failed: mutex_unlock(&ictx->lock); @@ -2014,10 +1998,8 @@ static struct imon_context *imon_init_intf1(struct usb_interface *intf, return ictx; urb_submit_failed: - if (ictx->touch) { + if (ictx->touch) input_unregister_device(ictx->touch); - input_free_device(ictx->touch); - } touch_setup_failed: find_endpoint_failed: mutex_unlock(&ictx->lock); diff --git a/drivers/media/IR/ir-core-priv.h b/drivers/media/IR/ir-core-priv.h index babd520..a85a8c7 100644 --- a/drivers/media/IR/ir-core-priv.h +++ b/drivers/media/IR/ir-core-priv.h @@ -32,7 +32,7 @@ struct ir_raw_handler { struct ir_raw_event_ctrl { struct list_head list; /* to keep track of raw clients */ - struct work_struct rx_work; /* for the rx decoding workqueue */ + struct task_struct *thread; struct kfifo kfifo; /* fifo for the pulse/space durations */ ktime_t last_event; /* when last event occurred */ enum raw_event_type last_type; /* last event type */ @@ -41,10 +41,13 @@ struct ir_raw_event_ctrl { /* raw decoder state follows */ struct ir_raw_event prev_ev; + struct ir_raw_event this_ev; struct nec_dec { int state; unsigned count; u32 bits; + bool is_nec_x; + bool necx_repeat; } nec; struct rc5_dec { int state; @@ -76,7 +79,7 @@ struct ir_raw_event_ctrl { struct lirc_codec { struct ir_input_dev *ir_dev; struct lirc_driver *drv; - int lircdata; + int carrier_low; } lirc; }; @@ -104,10 +107,9 @@ static inline void decrease_duration(struct ir_raw_event *ev, unsigned duration) ev->duration -= duration; } -#define TO_US(duration) (((duration) + 500) / 1000) +#define TO_US(duration) DIV_ROUND_CLOSEST((duration), 1000) #define TO_STR(is_pulse) ((is_pulse) ? "pulse" : "space") #define IS_RESET(ev) (ev.duration == 0) - /* * Routines from ir-sysfs.c - Meant to be called only internally inside * ir-core @@ -126,7 +128,8 @@ int ir_raw_handler_register(struct ir_raw_handler *ir_raw_handler); void ir_raw_handler_unregister(struct ir_raw_handler *ir_raw_handler); void ir_raw_init(void); - +int ir_rcmap_init(void); +void ir_rcmap_cleanup(void); /* * Decoder initialization code * diff --git a/drivers/media/IR/ir-jvc-decoder.c b/drivers/media/IR/ir-jvc-decoder.c index 8894d8b..77a89c4 100644 --- a/drivers/media/IR/ir-jvc-decoder.c +++ b/drivers/media/IR/ir-jvc-decoder.c @@ -32,6 +32,7 @@ enum jvc_state { STATE_BIT_SPACE, STATE_TRAILER_PULSE, STATE_TRAILER_SPACE, + STATE_CHECK_REPEAT, }; /** @@ -60,6 +61,7 @@ static int ir_jvc_decode(struct input_dev *input_dev, struct ir_raw_event ev) IR_dprintk(2, "JVC decode started at state %d (%uus %s)\n", data->state, TO_US(ev.duration), TO_STR(ev.pulse)); +again: switch (data->state) { case STATE_INACTIVE: @@ -149,8 +151,18 @@ static int ir_jvc_decode(struct input_dev *input_dev, struct ir_raw_event ev) } data->count = 0; - data->state = STATE_BIT_PULSE; + data->state = STATE_CHECK_REPEAT; return 0; + + case STATE_CHECK_REPEAT: + if (!ev.pulse) + break; + + if (eq_margin(ev.duration, JVC_HEADER_PULSE, JVC_UNIT / 2)) + data->state = STATE_INACTIVE; + else + data->state = STATE_BIT_PULSE; + goto again; } out: diff --git a/drivers/media/IR/ir-keytable.c b/drivers/media/IR/ir-keytable.c index 15a0f19..7e82a9d 100644 --- a/drivers/media/IR/ir-keytable.c +++ b/drivers/media/IR/ir-keytable.c @@ -339,6 +339,8 @@ void ir_repeat(struct input_dev *dev) spin_lock_irqsave(&ir->keylock, flags); + input_event(dev, EV_MSC, MSC_SCAN, ir->last_scancode); + if (!ir->keypressed) goto out; @@ -370,6 +372,8 @@ void ir_keydown(struct input_dev *dev, int scancode, u8 toggle) spin_lock_irqsave(&ir->keylock, flags); + input_event(dev, EV_MSC, MSC_SCAN, scancode); + /* Repeat event? */ if (ir->keypressed && ir->last_scancode == scancode && @@ -383,9 +387,11 @@ void ir_keydown(struct input_dev *dev, int scancode, u8 toggle) ir->last_toggle = toggle; ir->last_keycode = keycode; + if (keycode == KEY_RESERVED) goto out; + /* Register a keypress */ ir->keypressed = true; IR_dprintk(1, "%s: key down event, key 0x%04x, scancode 0x%04x\n", @@ -428,7 +434,7 @@ static void ir_close(struct input_dev *input_dev) */ int __ir_input_register(struct input_dev *input_dev, const struct ir_scancode_table *rc_tab, - const struct ir_dev_props *props, + struct ir_dev_props *props, const char *driver_name) { struct ir_input_dev *ir_dev; @@ -480,6 +486,8 @@ int __ir_input_register(struct input_dev *input_dev, set_bit(EV_KEY, input_dev->evbit); set_bit(EV_REP, input_dev->evbit); + set_bit(EV_MSC, input_dev->evbit); + set_bit(MSC_SCAN, input_dev->mscbit); if (ir_setkeytable(input_dev, &ir_dev->rc_tab, rc_tab)) { rc = -ENOMEM; @@ -499,7 +507,8 @@ int __ir_input_register(struct input_dev *input_dev, IR_dprintk(1, "Registered input device on %s for %s remote%s.\n", driver_name, rc_tab->name, - ir_dev->props->driver_type == RC_DRIVER_IR_RAW ? " in raw mode" : ""); + (ir_dev->props && ir_dev->props->driver_type == RC_DRIVER_IR_RAW) ? + " in raw mode" : ""); return 0; diff --git a/drivers/media/IR/ir-lirc-codec.c b/drivers/media/IR/ir-lirc-codec.c index 3ba482d..77b5946 100644 --- a/drivers/media/IR/ir-lirc-codec.c +++ b/drivers/media/IR/ir-lirc-codec.c @@ -32,6 +32,7 @@ static int ir_lirc_decode(struct input_dev *input_dev, struct ir_raw_event ev) { struct ir_input_dev *ir_dev = input_get_drvdata(input_dev); + int sample; if (!(ir_dev->raw->enabled_protocols & IR_TYPE_LIRC)) return 0; @@ -39,18 +40,20 @@ static int ir_lirc_decode(struct input_dev *input_dev, struct ir_raw_event ev) if (!ir_dev->raw->lirc.drv || !ir_dev->raw->lirc.drv->rbuf) return -EINVAL; + if (IS_RESET(ev)) + return 0; + IR_dprintk(2, "LIRC data transfer started (%uus %s)\n", TO_US(ev.duration), TO_STR(ev.pulse)); - ir_dev->raw->lirc.lircdata += ev.duration / 1000; + sample = ev.duration / 1000; if (ev.pulse) - ir_dev->raw->lirc.lircdata |= PULSE_BIT; + sample |= PULSE_BIT; lirc_buffer_write(ir_dev->raw->lirc.drv->rbuf, - (unsigned char *) &ir_dev->raw->lirc.lircdata); + (unsigned char *) &sample); wake_up(&ir_dev->raw->lirc.drv->rbuf->wait_poll); - ir_dev->raw->lirc.lircdata = 0; return 0; } @@ -92,13 +95,14 @@ out: return ret; } -static long ir_lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) +static long ir_lirc_ioctl(struct file *filep, unsigned int cmd, + unsigned long __user arg) { struct lirc_codec *lirc; struct ir_input_dev *ir_dev; int ret = 0; void *drv_data; - unsigned long val; + unsigned long val = 0; lirc = lirc_get_pdata(filep); if (!lirc) @@ -110,47 +114,106 @@ static long ir_lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long ar drv_data = ir_dev->props->priv; - switch (cmd) { - case LIRC_SET_TRANSMITTER_MASK: + if (_IOC_DIR(cmd) & _IOC_WRITE) { ret = get_user(val, (unsigned long *)arg); if (ret) return ret; + } + + switch (cmd) { - if (ir_dev->props && ir_dev->props->s_tx_mask) + /* legacy support */ + case LIRC_GET_SEND_MODE: + val = LIRC_CAN_SEND_PULSE & LIRC_CAN_SEND_MASK; + break; + + case LIRC_SET_SEND_MODE: + if (val != (LIRC_MODE_PULSE & LIRC_CAN_SEND_MASK)) + return -EINVAL; + break; + + /* TX settings */ + case LIRC_SET_TRANSMITTER_MASK: + if (ir_dev->props->s_tx_mask) ret = ir_dev->props->s_tx_mask(drv_data, (u32)val); else return -EINVAL; break; case LIRC_SET_SEND_CARRIER: - ret = get_user(val, (unsigned long *)arg); - if (ret) - return ret; - - if (ir_dev->props && ir_dev->props->s_tx_carrier) + if (ir_dev->props->s_tx_carrier) ir_dev->props->s_tx_carrier(drv_data, (u32)val); else return -EINVAL; break; - case LIRC_GET_SEND_MODE: - val = LIRC_CAN_SEND_PULSE & LIRC_CAN_SEND_MASK; - ret = put_user(val, (unsigned long *)arg); + case LIRC_SET_SEND_DUTY_CYCLE: + if (!ir_dev->props->s_tx_duty_cycle) + return -ENOSYS; + + if (val <= 0 || val >= 100) + return -EINVAL; + + ir_dev->props->s_tx_duty_cycle(ir_dev->props->priv, val); break; - case LIRC_SET_SEND_MODE: - ret = get_user(val, (unsigned long *)arg); - if (ret) - return ret; + /* RX settings */ + case LIRC_SET_REC_CARRIER: + if (ir_dev->props->s_rx_carrier_range) + ret = ir_dev->props->s_rx_carrier_range( + ir_dev->props->priv, + ir_dev->raw->lirc.carrier_low, val); + else + return -ENOSYS; - if (val != (LIRC_MODE_PULSE & LIRC_CAN_SEND_MASK)) + if (!ret) + ir_dev->raw->lirc.carrier_low = 0; + break; + + case LIRC_SET_REC_CARRIER_RANGE: + if (val >= 0) + ir_dev->raw->lirc.carrier_low = val; + break; + + + case LIRC_GET_REC_RESOLUTION: + val = ir_dev->props->rx_resolution; + break; + + case LIRC_SET_WIDEBAND_RECEIVER: + if (ir_dev->props->s_learning_mode) + return ir_dev->props->s_learning_mode( + ir_dev->props->priv, !!val); + else + return -ENOSYS; + + /* Generic timeout support */ + case LIRC_GET_MIN_TIMEOUT: + if (!ir_dev->props->max_timeout) + return -ENOSYS; + val = ir_dev->props->min_timeout / 1000; + break; + + case LIRC_GET_MAX_TIMEOUT: + if (!ir_dev->props->max_timeout) + return -ENOSYS; + val = ir_dev->props->max_timeout / 1000; + break; + + case LIRC_SET_REC_TIMEOUT: + if (val < ir_dev->props->min_timeout || + val > ir_dev->props->max_timeout) return -EINVAL; + ir_dev->props->timeout = val * 1000; break; default: return lirc_dev_fop_ioctl(filep, cmd, arg); } + if (_IOC_DIR(cmd) & _IOC_READ) + ret = put_user(val, (unsigned long *)arg); + return ret; } @@ -196,13 +259,28 @@ static int ir_lirc_register(struct input_dev *input_dev) features = LIRC_CAN_REC_MODE2; if (ir_dev->props->tx_ir) { + features |= LIRC_CAN_SEND_PULSE; if (ir_dev->props->s_tx_mask) features |= LIRC_CAN_SET_TRANSMITTER_MASK; if (ir_dev->props->s_tx_carrier) features |= LIRC_CAN_SET_SEND_CARRIER; + + if (ir_dev->props->s_tx_duty_cycle) + features |= LIRC_CAN_SET_REC_DUTY_CYCLE; } + if (ir_dev->props->s_rx_carrier_range) + features |= LIRC_CAN_SET_REC_CARRIER | + LIRC_CAN_SET_REC_CARRIER_RANGE; + + if (ir_dev->props->s_learning_mode) + features |= LIRC_CAN_USE_WIDEBAND_RECEIVER; + + if (ir_dev->props->max_timeout) + features |= LIRC_CAN_SET_REC_TIMEOUT; + + snprintf(drv->name, sizeof(drv->name), "ir-lirc-codec (%s)", ir_dev->driver_name); drv->minor = -1; @@ -224,8 +302,6 @@ static int ir_lirc_register(struct input_dev *input_dev) ir_dev->raw->lirc.drv = drv; ir_dev->raw->lirc.ir_dev = ir_dev; - ir_dev->raw->lirc.lircdata = PULSE_MASK; - return 0; lirc_register_failed: diff --git a/drivers/media/IR/ir-nec-decoder.c b/drivers/media/IR/ir-nec-decoder.c index 52e0f37..d597421 100644 --- a/drivers/media/IR/ir-nec-decoder.c +++ b/drivers/media/IR/ir-nec-decoder.c @@ -20,12 +20,13 @@ #define NEC_HEADER_PULSE (16 * NEC_UNIT) #define NECX_HEADER_PULSE (8 * NEC_UNIT) /* Less common NEC variant */ #define NEC_HEADER_SPACE (8 * NEC_UNIT) -#define NEC_REPEAT_SPACE (8 * NEC_UNIT) +#define NEC_REPEAT_SPACE (4 * NEC_UNIT) #define NEC_BIT_PULSE (1 * NEC_UNIT) #define NEC_BIT_0_SPACE (1 * NEC_UNIT) #define NEC_BIT_1_SPACE (3 * NEC_UNIT) #define NEC_TRAILER_PULSE (1 * NEC_UNIT) #define NEC_TRAILER_SPACE (10 * NEC_UNIT) /* even longer in reality */ +#define NECX_REPEAT_BITS 1 enum nec_state { STATE_INACTIVE, @@ -67,8 +68,12 @@ static int ir_nec_decode(struct input_dev *input_dev, struct ir_raw_event ev) if (!ev.pulse) break; - if (!eq_margin(ev.duration, NEC_HEADER_PULSE, NEC_UNIT / 2) && - !eq_margin(ev.duration, NECX_HEADER_PULSE, NEC_UNIT / 2)) + if (eq_margin(ev.duration, NEC_HEADER_PULSE, NEC_UNIT / 2)) { + data->is_nec_x = false; + data->necx_repeat = false; + } else if (eq_margin(ev.duration, NECX_HEADER_PULSE, NEC_UNIT / 2)) + data->is_nec_x = true; + else break; data->count = 0; @@ -105,6 +110,17 @@ static int ir_nec_decode(struct input_dev *input_dev, struct ir_raw_event ev) if (ev.pulse) break; + if (data->necx_repeat && data->count == NECX_REPEAT_BITS && + geq_margin(ev.duration, + NEC_TRAILER_SPACE, NEC_UNIT / 2)) { + IR_dprintk(1, "Repeat last key\n"); + ir_repeat(input_dev); + data->state = STATE_INACTIVE; + return 0; + + } else if (data->count > NECX_REPEAT_BITS) + data->necx_repeat = false; + data->bits <<= 1; if (eq_margin(ev.duration, NEC_BIT_1_SPACE, NEC_UNIT / 2)) data->bits |= 1; @@ -159,6 +175,9 @@ static int ir_nec_decode(struct input_dev *input_dev, struct ir_raw_event ev) IR_dprintk(1, "NEC scancode 0x%04x\n", scancode); } + if (data->is_nec_x) + data->necx_repeat = true; + ir_keydown(input_dev, scancode, 0); data->state = STATE_INACTIVE; return 0; diff --git a/drivers/media/IR/ir-raw-event.c b/drivers/media/IR/ir-raw-event.c index 6f192ef..43094e7 100644 --- a/drivers/media/IR/ir-raw-event.c +++ b/drivers/media/IR/ir-raw-event.c @@ -12,9 +12,10 @@ * GNU General Public License for more details. */ -#include <linux/workqueue.h> -#include <linux/spinlock.h> +#include <linux/kthread.h> +#include <linux/mutex.h> #include <linux/sched.h> +#include <linux/freezer.h> #include "ir-core-priv.h" /* Define the max number of pulse/space transitions to buffer */ @@ -24,7 +25,7 @@ static LIST_HEAD(ir_raw_client_list); /* Used to handle IR raw handler extensions */ -static DEFINE_SPINLOCK(ir_raw_handler_lock); +static DEFINE_MUTEX(ir_raw_handler_lock); static LIST_HEAD(ir_raw_handler_list); static u64 available_protocols; @@ -33,20 +34,30 @@ static u64 available_protocols; static struct work_struct wq_load; #endif -static void ir_raw_event_work(struct work_struct *work) +static int ir_raw_event_thread(void *data) { struct ir_raw_event ev; struct ir_raw_handler *handler; - struct ir_raw_event_ctrl *raw = - container_of(work, struct ir_raw_event_ctrl, rx_work); - - while (kfifo_out(&raw->kfifo, &ev, sizeof(ev)) == sizeof(ev)) { - spin_lock(&ir_raw_handler_lock); - list_for_each_entry(handler, &ir_raw_handler_list, list) - handler->decode(raw->input_dev, ev); - spin_unlock(&ir_raw_handler_lock); - raw->prev_ev = ev; + struct ir_raw_event_ctrl *raw = (struct ir_raw_event_ctrl *)data; + + while (!kthread_should_stop()) { + try_to_freeze(); + + mutex_lock(&ir_raw_handler_lock); + + while (kfifo_out(&raw->kfifo, &ev, sizeof(ev)) == sizeof(ev)) { + list_for_each_entry(handler, &ir_raw_handler_list, list) + handler->decode(raw->input_dev, ev); + raw->prev_ev = ev; + } + + mutex_unlock(&ir_raw_handler_lock); + + set_current_state(TASK_INTERRUPTIBLE); + schedule(); } + + return 0; } /** @@ -66,6 +77,9 @@ int ir_raw_event_store(struct input_dev *input_dev, struct ir_raw_event *ev) if (!ir->raw) return -EINVAL; + IR_dprintk(2, "sample: (05%dus %s)\n", + TO_US(ev->duration), TO_STR(ev->pulse)); + if (kfifo_in(&ir->raw->kfifo, ev, sizeof(*ev)) != sizeof(*ev)) return -ENOMEM; @@ -126,6 +140,90 @@ int ir_raw_event_store_edge(struct input_dev *input_dev, enum raw_event_type typ EXPORT_SYMBOL_GPL(ir_raw_event_store_edge); /** + * ir_raw_event_store_with_filter() - pass next pulse/space to decoders with some processing + * @input_dev: the struct input_dev device descriptor + * @type: the type of the event that has occurred + * + * This routine (which may be called from an interrupt context) works + * in similiar manner to ir_raw_event_store_edge. + * This routine is intended for devices with limited internal buffer + * It automerges samples of same type, and handles timeouts + */ +int ir_raw_event_store_with_filter(struct input_dev *input_dev, + struct ir_raw_event *ev) +{ + struct ir_input_dev *ir = input_get_drvdata(input_dev); + struct ir_raw_event_ctrl *raw = ir->raw; + + if (!raw || !ir->props) + return -EINVAL; + + /* Ignore spaces in idle mode */ + if (ir->idle && !ev->pulse) + return 0; + else if (ir->idle) + ir_raw_event_set_idle(input_dev, 0); + + if (!raw->this_ev.duration) { + raw->this_ev = *ev; + } else if (ev->pulse == raw->this_ev.pulse) { + raw->this_ev.duration += ev->duration; + } else { + ir_raw_event_store(input_dev, &raw->this_ev); + raw->this_ev = *ev; + } + + /* Enter idle mode if nessesary */ + if (!ev->pulse && ir->props->timeout && + raw->this_ev.duration >= ir->props->timeout) + ir_raw_event_set_idle(input_dev, 1); + return 0; +} +EXPORT_SYMBOL_GPL(ir_raw_event_store_with_filter); + +void ir_raw_event_set_idle(struct input_dev *input_dev, int idle) +{ + struct ir_input_dev *ir = input_get_drvdata(input_dev); + struct ir_raw_event_ctrl *raw = ir->raw; + ktime_t now; + u64 delta; + + if (!ir->props) + return; + + if (!ir->raw) + goto out; + + if (idle) { + IR_dprintk(2, "enter idle mode\n"); + raw->last_event = ktime_get(); + } else { + IR_dprintk(2, "exit idle mode\n"); + + now = ktime_get(); + delta = ktime_to_ns(ktime_sub(now, ir->raw->last_event)); + + WARN_ON(raw->this_ev.pulse); + + raw->this_ev.duration = + min(raw->this_ev.duration + delta, + (u64)IR_MAX_DURATION); + + ir_raw_event_store(input_dev, &raw->this_ev); + + if (raw->this_ev.duration == IR_MAX_DURATION) + ir_raw_event_reset(input_dev); + + raw->this_ev.duration = 0; + } +out: + if (ir->props->s_idle) + ir->props->s_idle(ir->props->priv, idle); + ir->idle = idle; +} +EXPORT_SYMBOL_GPL(ir_raw_event_set_idle); + +/** * ir_raw_event_handle() - schedules the decoding of stored ir data * @input_dev: the struct input_dev device descriptor * @@ -138,7 +236,7 @@ void ir_raw_event_handle(struct input_dev *input_dev) if (!ir->raw) return; - schedule_work(&ir->raw->rx_work); + wake_up_process(ir->raw->thread); } EXPORT_SYMBOL_GPL(ir_raw_event_handle); @@ -147,9 +245,9 @@ u64 ir_raw_get_allowed_protocols() { u64 protocols; - spin_lock(&ir_raw_handler_lock); + mutex_lock(&ir_raw_handler_lock); protocols = available_protocols; - spin_unlock(&ir_raw_handler_lock); + mutex_unlock(&ir_raw_handler_lock); return protocols; } @@ -167,7 +265,7 @@ int ir_raw_event_register(struct input_dev *input_dev) return -ENOMEM; ir->raw->input_dev = input_dev; - INIT_WORK(&ir->raw->rx_work, ir_raw_event_work); + ir->raw->enabled_protocols = ~0; rc = kfifo_alloc(&ir->raw->kfifo, sizeof(s64) * MAX_IR_EVENT_SIZE, GFP_KERNEL); @@ -177,12 +275,21 @@ int ir_raw_event_register(struct input_dev *input_dev) return rc; } - spin_lock(&ir_raw_handler_lock); + ir->raw->thread = kthread_run(ir_raw_event_thread, ir->raw, + "rc%u", (unsigned int)ir->devno); + + if (IS_ERR(ir->raw->thread)) { + kfree(ir->raw); + ir->raw = NULL; + return PTR_ERR(ir->raw->thread); + } + + mutex_lock(&ir_raw_handler_lock); list_add_tail(&ir->raw->list, &ir_raw_client_list); list_for_each_entry(handler, &ir_raw_handler_list, list) if (handler->raw_register) handler->raw_register(ir->raw->input_dev); - spin_unlock(&ir_raw_handler_lock); + mutex_unlock(&ir_raw_handler_lock); return 0; } @@ -195,14 +302,14 @@ void ir_raw_event_unregister(struct input_dev *input_dev) if (!ir->raw) return; - cancel_work_sync(&ir->raw->rx_work); + kthread_stop(ir->raw->thread); - spin_lock(&ir_raw_handler_lock); + mutex_lock(&ir_raw_handler_lock); list_del(&ir->raw->list); list_for_each_entry(handler, &ir_raw_handler_list, list) if (handler->raw_unregister) handler->raw_unregister(ir->raw->input_dev); - spin_unlock(&ir_raw_handler_lock); + mutex_unlock(&ir_raw_handler_lock); kfifo_free(&ir->raw->kfifo); kfree(ir->raw); @@ -217,13 +324,13 @@ int ir_raw_handler_register(struct ir_raw_handler *ir_raw_handler) { struct ir_raw_event_ctrl *raw; - spin_lock(&ir_raw_handler_lock); + mutex_lock(&ir_raw_handler_lock); list_add_tail(&ir_raw_handler->list, &ir_raw_handler_list); if (ir_raw_handler->raw_register) list_for_each_entry(raw, &ir_raw_client_list, list) ir_raw_handler->raw_register(raw->input_dev); available_protocols |= ir_raw_handler->protocols; - spin_unlock(&ir_raw_handler_lock); + mutex_unlock(&ir_raw_handler_lock); return 0; } @@ -233,13 +340,13 @@ void ir_raw_handler_unregister(struct ir_raw_handler *ir_raw_handler) { struct ir_raw_event_ctrl *raw; - spin_lock(&ir_raw_handler_lock); + mutex_lock(&ir_raw_handler_lock); list_del(&ir_raw_handler->list); if (ir_raw_handler->raw_unregister) list_for_each_entry(raw, &ir_raw_client_list, list) ir_raw_handler->raw_unregister(raw->input_dev); available_protocols &= ~ir_raw_handler->protocols; - spin_unlock(&ir_raw_handler_lock); + mutex_unlock(&ir_raw_handler_lock); } EXPORT_SYMBOL(ir_raw_handler_unregister); diff --git a/drivers/media/IR/ir-sysfs.c b/drivers/media/IR/ir-sysfs.c index 6273047..96dafc4 100644 --- a/drivers/media/IR/ir-sysfs.c +++ b/drivers/media/IR/ir-sysfs.c @@ -325,6 +325,7 @@ static int __init ir_core_init(void) /* Initialize/load the decoders/keymap code that will be used */ ir_raw_init(); + ir_rcmap_init(); return 0; } @@ -332,6 +333,7 @@ static int __init ir_core_init(void) static void __exit ir_core_exit(void) { class_unregister(&ir_input_class); + ir_rcmap_cleanup(); } module_init(ir_core_init); diff --git a/drivers/media/IR/keymaps/Makefile b/drivers/media/IR/keymaps/Makefile index cbee062..950e5d9 100644 --- a/drivers/media/IR/keymaps/Makefile +++ b/drivers/media/IR/keymaps/Makefile @@ -19,7 +19,6 @@ obj-$(CONFIG_RC_MAP) += rc-adstech-dvb-t-pci.o \ rc-dm1105-nec.o \ rc-dntv-live-dvb-t.o \ rc-dntv-live-dvbt-pro.o \ - rc-empty.o \ rc-em-terratec.o \ rc-encore-enltv2.o \ rc-encore-enltv.o \ @@ -59,6 +58,7 @@ obj-$(CONFIG_RC_MAP) += rc-adstech-dvb-t-pci.o \ rc-purpletv.o \ rc-pv951.o \ rc-rc5-hauppauge-new.o \ + rc-rc5-streamzap.o \ rc-rc5-tv.o \ rc-rc6-mce.o \ rc-real-audio-220-32-keys.o \ diff --git a/drivers/media/IR/keymaps/rc-empty.c b/drivers/media/IR/keymaps/rc-empty.c deleted file mode 100644 index 3b338d8..0000000 --- a/drivers/media/IR/keymaps/rc-empty.c +++ /dev/null @@ -1,44 +0,0 @@ -/* empty.h - Keytable for empty Remote Controller - * - * keymap imported from ir-keymaps.c - * - * Copyright (c) 2010 by Mauro Carvalho Chehab <mchehab@redhat.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#include <media/rc-map.h> - -/* empty keytable, can be used as placeholder for not-yet created keytables */ - -static struct ir_scancode empty[] = { - { 0x2a, KEY_COFFEE }, -}; - -static struct rc_keymap empty_map = { - .map = { - .scan = empty, - .size = ARRAY_SIZE(empty), - .ir_type = IR_TYPE_UNKNOWN, /* Legacy IR type */ - .name = RC_MAP_EMPTY, - } -}; - -static int __init init_rc_map_empty(void) -{ - return ir_register_map(&empty_map); -} - -static void __exit exit_rc_map_empty(void) -{ - ir_unregister_map(&empty_map); -} - -module_init(init_rc_map_empty) -module_exit(exit_rc_map_empty) - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>"); diff --git a/drivers/media/IR/keymaps/rc-rc5-streamzap.c b/drivers/media/IR/keymaps/rc-rc5-streamzap.c new file mode 100644 index 0000000..4c19c58 --- /dev/null +++ b/drivers/media/IR/keymaps/rc-rc5-streamzap.c @@ -0,0 +1,81 @@ +/* rc-rc5-streamzap.c - Keytable for Streamzap PC Remote, for use + * with the Streamzap PC Remote IR Receiver. + * + * Copyright (c) 2010 by Jarod Wilson <jarod@redhat.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <media/rc-map.h> + +static struct ir_scancode rc5_streamzap[] = { +/* + * FIXME: The Streamzap remote isn't actually true RC-5, it has an extra + * bit in it, which presently throws the in-kernel RC-5 decoder for a loop. + * We either have to enhance the decoder to support it, add a new decoder, + * or just rely on lirc userspace decoding. + */ + { 0x00, KEY_NUMERIC_0 }, + { 0x01, KEY_NUMERIC_1 }, + { 0x02, KEY_NUMERIC_2 }, + { 0x03, KEY_NUMERIC_3 }, + { 0x04, KEY_NUMERIC_4 }, + { 0x05, KEY_NUMERIC_5 }, + { 0x06, KEY_NUMERIC_6 }, + { 0x07, KEY_NUMERIC_7 }, + { 0x08, KEY_NUMERIC_8 }, + { 0x0a, KEY_POWER }, + { 0x0b, KEY_MUTE }, + { 0x0c, KEY_CHANNELUP }, + { 0x0d, KEY_VOLUMEUP }, + { 0x0e, KEY_CHANNELDOWN }, + { 0x0f, KEY_VOLUMEDOWN }, + { 0x10, KEY_UP }, + { 0x11, KEY_LEFT }, + { 0x12, KEY_OK }, + { 0x13, KEY_RIGHT }, + { 0x14, KEY_DOWN }, + { 0x15, KEY_MENU }, + { 0x16, KEY_EXIT }, + { 0x17, KEY_PLAY }, + { 0x18, KEY_PAUSE }, + { 0x19, KEY_STOP }, + { 0x1a, KEY_BACK }, + { 0x1b, KEY_FORWARD }, + { 0x1c, KEY_RECORD }, + { 0x1d, KEY_REWIND }, + { 0x1e, KEY_FASTFORWARD }, + { 0x20, KEY_RED }, + { 0x21, KEY_GREEN }, + { 0x22, KEY_YELLOW }, + { 0x23, KEY_BLUE }, + +}; + +static struct rc_keymap rc5_streamzap_map = { + .map = { + .scan = rc5_streamzap, + .size = ARRAY_SIZE(rc5_streamzap), + .ir_type = IR_TYPE_RC5, + .name = RC_MAP_RC5_STREAMZAP, + } +}; + +static int __init init_rc_map_rc5_streamzap(void) +{ + return ir_register_map(&rc5_streamzap_map); +} + +static void __exit exit_rc_map_rc5_streamzap(void) +{ + ir_unregister_map(&rc5_streamzap_map); +} + +module_init(init_rc_map_rc5_streamzap) +module_exit(exit_rc_map_rc5_streamzap) + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Jarod Wilson <jarod@redhat.com>"); diff --git a/drivers/media/IR/keymaps/rc-rc6-mce.c b/drivers/media/IR/keymaps/rc-rc6-mce.c index c6726a8..64264f7 100644 --- a/drivers/media/IR/keymaps/rc-rc6-mce.c +++ b/drivers/media/IR/keymaps/rc-rc6-mce.c @@ -74,6 +74,8 @@ static struct ir_scancode rc6_mce[] = { { 0x800f045a, KEY_SUBTITLE }, /* Caption/Teletext */ { 0x800f044d, KEY_TITLE }, + { 0x800f044e, KEY_PRINT }, /* Print - HP OEM version of remote */ + { 0x800f040c, KEY_POWER }, { 0x800f040d, KEY_PROG1 }, /* Windows MCE button */ diff --git a/drivers/media/IR/mceusb.c b/drivers/media/IR/mceusb.c index 78bf7f7..ac6bb2c 100644 --- a/drivers/media/IR/mceusb.c +++ b/drivers/media/IR/mceusb.c @@ -228,7 +228,6 @@ static struct usb_device_id std_tx_mask_list[] = { /* data structure for each usb transceiver */ struct mceusb_dev { /* ir-core bits */ - struct ir_input_dev *irdev; struct ir_dev_props *props; struct ir_raw_event rawir; @@ -428,7 +427,7 @@ static void mceusb_dev_printdata(struct mceusb_dev *ir, char *buf, } } -static void usb_async_callback(struct urb *urb, struct pt_regs *regs) +static void mce_async_callback(struct urb *urb, struct pt_regs *regs) { struct mceusb_dev *ir; int len; @@ -477,7 +476,7 @@ static void mce_request_packet(struct mceusb_dev *ir, /* outbound data */ usb_fill_int_urb(async_urb, ir->usbdev, usb_sndintpipe(ir->usbdev, ep->bEndpointAddress), - async_buf, size, (usb_complete_t) usb_async_callback, + async_buf, size, (usb_complete_t)mce_async_callback, ir, ep->bInterval); memcpy(async_buf, data, size); @@ -739,7 +738,7 @@ static void mceusb_dev_recv(struct urb *urb, struct pt_regs *regs) if (ir->send_flags == RECV_FLAG_IN_PROGRESS) { ir->send_flags = SEND_FLAG_COMPLETE; - dev_dbg(&ir->irdev->dev, "setup answer received %d bytes\n", + dev_dbg(ir->dev, "setup answer received %d bytes\n", buf_len); } @@ -861,7 +860,6 @@ static struct input_dev *mceusb_init_input_dev(struct mceusb_dev *ir) { struct input_dev *idev; struct ir_dev_props *props; - struct ir_input_dev *irdev; struct device *dev = ir->dev; int ret = -ENODEV; @@ -878,12 +876,6 @@ static struct input_dev *mceusb_init_input_dev(struct mceusb_dev *ir) goto props_alloc_failed; } - irdev = kzalloc(sizeof(struct ir_input_dev), GFP_KERNEL); - if (!irdev) { - dev_err(dev, "remote ir input dev allocation failed\n"); - goto ir_dev_alloc_failed; - } - snprintf(ir->name, sizeof(ir->name), "Media Center Ed. eHome " "Infrared Remote Transceiver (%04x:%04x)", le16_to_cpu(ir->usbdev->descriptor.idVendor), @@ -902,9 +894,6 @@ static struct input_dev *mceusb_init_input_dev(struct mceusb_dev *ir) props->tx_ir = mceusb_tx_ir; ir->props = props; - ir->irdev = irdev; - - input_set_drvdata(idev, irdev); ret = ir_input_register(idev, RC_MAP_RC6_MCE, props, DRIVER_NAME); if (ret < 0) { @@ -915,8 +904,6 @@ static struct input_dev *mceusb_init_input_dev(struct mceusb_dev *ir) return idev; irdev_failed: - kfree(irdev); -ir_dev_alloc_failed: kfree(props); props_alloc_failed: input_free_device(idev); @@ -932,7 +919,6 @@ static int __devinit mceusb_dev_probe(struct usb_interface *intf, struct usb_endpoint_descriptor *ep = NULL; struct usb_endpoint_descriptor *ep_in = NULL; struct usb_endpoint_descriptor *ep_out = NULL; - struct usb_host_config *config; struct mceusb_dev *ir = NULL; int pipe, maxp, i; char buf[63], name[128] = ""; @@ -942,7 +928,6 @@ static int __devinit mceusb_dev_probe(struct usb_interface *intf, dev_dbg(&intf->dev, ": %s called\n", __func__); - config = dev->actconfig; idesc = intf->cur_altsetting; is_gen3 = usb_match_id(intf, gen3_list) ? 1 : 0; diff --git a/drivers/media/IR/rc-map.c b/drivers/media/IR/rc-map.c index 46a8f15..689143f 100644 --- a/drivers/media/IR/rc-map.c +++ b/drivers/media/IR/rc-map.c @@ -82,3 +82,26 @@ void ir_unregister_map(struct rc_keymap *map) } EXPORT_SYMBOL_GPL(ir_unregister_map); + +static struct ir_scancode empty[] = { + { 0x2a, KEY_COFFEE }, +}; + +static struct rc_keymap empty_map = { + .map = { + .scan = empty, + .size = ARRAY_SIZE(empty), + .ir_type = IR_TYPE_UNKNOWN, /* Legacy IR type */ + .name = RC_MAP_EMPTY, + } +}; + +int ir_rcmap_init(void) +{ + return ir_register_map(&empty_map); +} + +void ir_rcmap_cleanup(void) +{ + ir_unregister_map(&empty_map); +} diff --git a/drivers/media/IR/streamzap.c b/drivers/media/IR/streamzap.c new file mode 100644 index 0000000..058e29f --- /dev/null +++ b/drivers/media/IR/streamzap.c @@ -0,0 +1,741 @@ +/* + * Streamzap Remote Control driver + * + * Copyright (c) 2005 Christoph Bartelmus <lirc@bartelmus.de> + * Copyright (c) 2010 Jarod Wilson <jarod@wilsonet.com> + * + * This driver was based on the work of Greg Wickham and Adrian + * Dewhurst. It was substantially rewritten to support correct signal + * gaps and now maintains a delay buffer, which is used to present + * consistent timing behaviour to user space applications. Without the + * delay buffer an ugly hack would be required in lircd, which can + * cause sluggish signal decoding in certain situations. + * + * Ported to in-kernel ir-core interface by Jarod Wilson + * + * This driver is based on the USB skeleton driver packaged with the + * kernel; copyright (C) 2001-2003 Greg Kroah-Hartman (greg@kroah.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/device.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/usb.h> +#include <linux/input.h> +#include <media/ir-core.h> + +#define DRIVER_VERSION "1.60" +#define DRIVER_NAME "streamzap" +#define DRIVER_DESC "Streamzap Remote Control driver" + +#ifdef CONFIG_USB_DEBUG +static int debug = 1; +#else +static int debug; +#endif + +#define USB_STREAMZAP_VENDOR_ID 0x0e9c +#define USB_STREAMZAP_PRODUCT_ID 0x0000 + +/* table of devices that work with this driver */ +static struct usb_device_id streamzap_table[] = { + /* Streamzap Remote Control */ + { USB_DEVICE(USB_STREAMZAP_VENDOR_ID, USB_STREAMZAP_PRODUCT_ID) }, + /* Terminating entry */ + { } +}; + +MODULE_DEVICE_TABLE(usb, streamzap_table); + +#define STREAMZAP_PULSE_MASK 0xf0 +#define STREAMZAP_SPACE_MASK 0x0f +#define STREAMZAP_TIMEOUT 0xff +#define STREAMZAP_RESOLUTION 256 + +/* number of samples buffered */ +#define SZ_BUF_LEN 128 + +enum StreamzapDecoderState { + PulseSpace, + FullPulse, + FullSpace, + IgnorePulse +}; + +/* structure to hold our device specific stuff */ +struct streamzap_ir { + + /* ir-core */ + struct ir_dev_props *props; + struct ir_raw_event rawir; + + /* core device info */ + struct device *dev; + struct input_dev *idev; + + /* usb */ + struct usb_device *usbdev; + struct usb_interface *interface; + struct usb_endpoint_descriptor *endpoint; + struct urb *urb_in; + + /* buffer & dma */ + unsigned char *buf_in; + dma_addr_t dma_in; + unsigned int buf_in_len; + + /* timer used to support delay buffering */ + struct timer_list delay_timer; + bool timer_running; + spinlock_t timer_lock; + struct timer_list flush_timer; + bool flush; + + /* delay buffer */ + struct kfifo fifo; + bool fifo_initialized; + + /* track what state we're in */ + enum StreamzapDecoderState decoder_state; + /* tracks whether we are currently receiving some signal */ + bool idle; + /* sum of signal lengths received since signal start */ + unsigned long sum; + /* start time of signal; necessary for gap tracking */ + struct timeval signal_last; + struct timeval signal_start; + /* bool timeout_enabled; */ + + char name[128]; + char phys[64]; +}; + + +/* local function prototypes */ +static int streamzap_probe(struct usb_interface *interface, + const struct usb_device_id *id); +static void streamzap_disconnect(struct usb_interface *interface); +static void streamzap_callback(struct urb *urb); +static int streamzap_suspend(struct usb_interface *intf, pm_message_t message); +static int streamzap_resume(struct usb_interface *intf); + +/* usb specific object needed to register this driver with the usb subsystem */ +static struct usb_driver streamzap_driver = { + .name = DRIVER_NAME, + .probe = streamzap_probe, + .disconnect = streamzap_disconnect, + .suspend = streamzap_suspend, + .resume = streamzap_resume, + .id_table = streamzap_table, +}; + +static void streamzap_stop_timer(struct streamzap_ir *sz) +{ + unsigned long flags; + + spin_lock_irqsave(&sz->timer_lock, flags); + if (sz->timer_running) { + sz->timer_running = false; + spin_unlock_irqrestore(&sz->timer_lock, flags); + del_timer_sync(&sz->delay_timer); + } else { + spin_unlock_irqrestore(&sz->timer_lock, flags); + } +} + +static void streamzap_flush_timeout(unsigned long arg) +{ + struct streamzap_ir *sz = (struct streamzap_ir *)arg; + + dev_info(sz->dev, "%s: callback firing\n", __func__); + + /* finally start accepting data */ + sz->flush = false; +} + +static void streamzap_delay_timeout(unsigned long arg) +{ + struct streamzap_ir *sz = (struct streamzap_ir *)arg; + struct ir_raw_event rawir = { .pulse = false, .duration = 0 }; + unsigned long flags; + int len, ret; + static unsigned long delay; + bool wake = false; + + /* deliver data every 10 ms */ + delay = msecs_to_jiffies(10); + + spin_lock_irqsave(&sz->timer_lock, flags); + + if (kfifo_len(&sz->fifo) > 0) { + ret = kfifo_out(&sz->fifo, &rawir, sizeof(rawir)); + if (ret != sizeof(rawir)) + dev_err(sz->dev, "Problem w/kfifo_out...\n"); + ir_raw_event_store(sz->idev, &rawir); + wake = true; + } + + len = kfifo_len(&sz->fifo); + if (len > 0) { + while ((len < SZ_BUF_LEN / 2) && + (len < SZ_BUF_LEN * sizeof(int))) { + ret = kfifo_out(&sz->fifo, &rawir, sizeof(rawir)); + if (ret != sizeof(rawir)) + dev_err(sz->dev, "Problem w/kfifo_out...\n"); + ir_raw_event_store(sz->idev, &rawir); + wake = true; + len = kfifo_len(&sz->fifo); + } + if (sz->timer_running) + mod_timer(&sz->delay_timer, jiffies + delay); + + } else { + sz->timer_running = false; + } + + if (wake) + ir_raw_event_handle(sz->idev); + + spin_unlock_irqrestore(&sz->timer_lock, flags); +} + +static void streamzap_flush_delay_buffer(struct streamzap_ir *sz) +{ + struct ir_raw_event rawir = { .pulse = false, .duration = 0 }; + bool wake = false; + int ret; + + while (kfifo_len(&sz->fifo) > 0) { + ret = kfifo_out(&sz->fifo, &rawir, sizeof(rawir)); + if (ret != sizeof(rawir)) + dev_err(sz->dev, "Problem w/kfifo_out...\n"); + ir_raw_event_store(sz->idev, &rawir); + wake = true; + } + + if (wake) + ir_raw_event_handle(sz->idev); +} + +static void sz_push(struct streamzap_ir *sz) +{ + struct ir_raw_event rawir = { .pulse = false, .duration = 0 }; + unsigned long flags; + int ret; + + spin_lock_irqsave(&sz->timer_lock, flags); + if (kfifo_len(&sz->fifo) >= sizeof(int) * SZ_BUF_LEN) { + ret = kfifo_out(&sz->fifo, &rawir, sizeof(rawir)); + if (ret != sizeof(rawir)) + dev_err(sz->dev, "Problem w/kfifo_out...\n"); + ir_raw_event_store(sz->idev, &rawir); + } + + kfifo_in(&sz->fifo, &sz->rawir, sizeof(rawir)); + + if (!sz->timer_running) { + sz->delay_timer.expires = jiffies + (HZ / 10); + add_timer(&sz->delay_timer); + sz->timer_running = true; + } + + spin_unlock_irqrestore(&sz->timer_lock, flags); +} + +static void sz_push_full_pulse(struct streamzap_ir *sz, + unsigned char value) +{ + if (sz->idle) { + long deltv; + + sz->signal_last = sz->signal_start; + do_gettimeofday(&sz->signal_start); + + deltv = sz->signal_start.tv_sec - sz->signal_last.tv_sec; + sz->rawir.pulse = false; + if (deltv > 15) { + /* really long time */ + sz->rawir.duration = IR_MAX_DURATION; + } else { + sz->rawir.duration = (int)(deltv * 1000000 + + sz->signal_start.tv_usec - + sz->signal_last.tv_usec); + sz->rawir.duration -= sz->sum; + sz->rawir.duration *= 1000; + sz->rawir.duration &= IR_MAX_DURATION; + } + dev_dbg(sz->dev, "ls %u\n", sz->rawir.duration); + sz_push(sz); + + sz->idle = 0; + sz->sum = 0; + } + + sz->rawir.pulse = true; + sz->rawir.duration = ((int) value) * STREAMZAP_RESOLUTION; + sz->rawir.duration += STREAMZAP_RESOLUTION / 2; + sz->sum += sz->rawir.duration; + sz->rawir.duration *= 1000; + sz->rawir.duration &= IR_MAX_DURATION; + dev_dbg(sz->dev, "p %u\n", sz->rawir.duration); + sz_push(sz); +} + +static void sz_push_half_pulse(struct streamzap_ir *sz, + unsigned char value) +{ + sz_push_full_pulse(sz, (value & STREAMZAP_PULSE_MASK) >> 4); +} + +static void sz_push_full_space(struct streamzap_ir *sz, + unsigned char value) +{ + sz->rawir.pulse = false; + sz->rawir.duration = ((int) value) * STREAMZAP_RESOLUTION; + sz->rawir.duration += STREAMZAP_RESOLUTION / 2; + sz->sum += sz->rawir.duration; + sz->rawir.duration *= 1000; + dev_dbg(sz->dev, "s %u\n", sz->rawir.duration); + sz_push(sz); +} + +static void sz_push_half_space(struct streamzap_ir *sz, + unsigned long value) +{ + sz_push_full_space(sz, value & STREAMZAP_SPACE_MASK); +} + +/** + * streamzap_callback - usb IRQ handler callback + * + * This procedure is invoked on reception of data from + * the usb remote. + */ +static void streamzap_callback(struct urb *urb) +{ + struct streamzap_ir *sz; + unsigned int i; + int len; + #if 0 + static int timeout = (((STREAMZAP_TIMEOUT * STREAMZAP_RESOLUTION) & + IR_MAX_DURATION) | 0x03000000); + #endif + + if (!urb) + return; + + sz = urb->context; + len = urb->actual_length; + + switch (urb->status) { + case -ECONNRESET: + case -ENOENT: + case -ESHUTDOWN: + /* + * this urb is terminated, clean up. + * sz might already be invalid at this point + */ + dev_err(sz->dev, "urb terminated, status: %d\n", urb->status); + return; + default: + break; + } + + dev_dbg(sz->dev, "%s: received urb, len %d\n", __func__, len); + if (!sz->flush) { + for (i = 0; i < urb->actual_length; i++) { + dev_dbg(sz->dev, "%d: %x\n", i, + (unsigned char)sz->buf_in[i]); + switch (sz->decoder_state) { + case PulseSpace: + if ((sz->buf_in[i] & STREAMZAP_PULSE_MASK) == + STREAMZAP_PULSE_MASK) { + sz->decoder_state = FullPulse; + continue; + } else if ((sz->buf_in[i] & STREAMZAP_SPACE_MASK) + == STREAMZAP_SPACE_MASK) { + sz_push_half_pulse(sz, sz->buf_in[i]); + sz->decoder_state = FullSpace; + continue; + } else { + sz_push_half_pulse(sz, sz->buf_in[i]); + sz_push_half_space(sz, sz->buf_in[i]); + } + break; + case FullPulse: + sz_push_full_pulse(sz, sz->buf_in[i]); + sz->decoder_state = IgnorePulse; + break; + case FullSpace: + if (sz->buf_in[i] == STREAMZAP_TIMEOUT) { + sz->idle = 1; + streamzap_stop_timer(sz); + #if 0 + if (sz->timeout_enabled) { + sz->rawir.pulse = false; + sz->rawir.duration = timeout; + sz->rawir.duration *= 1000; + sz_push(sz); + } + #endif + streamzap_flush_delay_buffer(sz); + } else + sz_push_full_space(sz, sz->buf_in[i]); + sz->decoder_state = PulseSpace; + break; + case IgnorePulse: + if ((sz->buf_in[i]&STREAMZAP_SPACE_MASK) == + STREAMZAP_SPACE_MASK) { + sz->decoder_state = FullSpace; + continue; + } + sz_push_half_space(sz, sz->buf_in[i]); + sz->decoder_state = PulseSpace; + break; + } + } + } + + usb_submit_urb(urb, GFP_ATOMIC); + + return; +} + +static struct input_dev *streamzap_init_input_dev(struct streamzap_ir *sz) +{ + struct input_dev *idev; + struct ir_dev_props *props; + struct device *dev = sz->dev; + int ret; + + idev = input_allocate_device(); + if (!idev) { + dev_err(dev, "remote input dev allocation failed\n"); + goto idev_alloc_failed; + } + + props = kzalloc(sizeof(struct ir_dev_props), GFP_KERNEL); + if (!props) { + dev_err(dev, "remote ir dev props allocation failed\n"); + goto props_alloc_failed; + } + + snprintf(sz->name, sizeof(sz->name), "Streamzap PC Remote Infrared " + "Receiver (%04x:%04x)", + le16_to_cpu(sz->usbdev->descriptor.idVendor), + le16_to_cpu(sz->usbdev->descriptor.idProduct)); + + idev->name = sz->name; + usb_make_path(sz->usbdev, sz->phys, sizeof(sz->phys)); + strlcat(sz->phys, "/input0", sizeof(sz->phys)); + idev->phys = sz->phys; + + props->priv = sz; + props->driver_type = RC_DRIVER_IR_RAW; + /* FIXME: not sure about supported protocols, check on this */ + props->allowed_protos = IR_TYPE_RC5 | IR_TYPE_RC6; + + sz->props = props; + + ret = ir_input_register(idev, RC_MAP_RC5_STREAMZAP, props, DRIVER_NAME); + if (ret < 0) { + dev_err(dev, "remote input device register failed\n"); + goto irdev_failed; + } + + return idev; + +irdev_failed: + kfree(props); +props_alloc_failed: + input_free_device(idev); +idev_alloc_failed: + return NULL; +} + +static int streamzap_delay_buf_init(struct streamzap_ir *sz) +{ + int ret; + + ret = kfifo_alloc(&sz->fifo, sizeof(int) * SZ_BUF_LEN, + GFP_KERNEL); + if (ret == 0) + sz->fifo_initialized = 1; + + return ret; +} + +static void streamzap_start_flush_timer(struct streamzap_ir *sz) +{ + sz->flush_timer.expires = jiffies + HZ; + sz->flush = true; + add_timer(&sz->flush_timer); + + sz->urb_in->dev = sz->usbdev; + if (usb_submit_urb(sz->urb_in, GFP_ATOMIC)) + dev_err(sz->dev, "urb submit failed\n"); +} + +/** + * streamzap_probe + * + * Called by usb-core to associated with a candidate device + * On any failure the return value is the ERROR + * On success return 0 + */ +static int __devinit streamzap_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct usb_device *usbdev = interface_to_usbdev(intf); + struct usb_host_interface *iface_host; + struct streamzap_ir *sz = NULL; + char buf[63], name[128] = ""; + int retval = -ENOMEM; + int pipe, maxp; + + /* Allocate space for device driver specific data */ + sz = kzalloc(sizeof(struct streamzap_ir), GFP_KERNEL); + if (!sz) + return -ENOMEM; + + sz->usbdev = usbdev; + sz->interface = intf; + + /* Check to ensure endpoint information matches requirements */ + iface_host = intf->cur_altsetting; + + if (iface_host->desc.bNumEndpoints != 1) { + dev_err(&intf->dev, "%s: Unexpected desc.bNumEndpoints (%d)\n", + __func__, iface_host->desc.bNumEndpoints); + retval = -ENODEV; + goto free_sz; + } + + sz->endpoint = &(iface_host->endpoint[0].desc); + if ((sz->endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) + != USB_DIR_IN) { + dev_err(&intf->dev, "%s: endpoint doesn't match input device " + "02%02x\n", __func__, sz->endpoint->bEndpointAddress); + retval = -ENODEV; + goto free_sz; + } + + if ((sz->endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) + != USB_ENDPOINT_XFER_INT) { + dev_err(&intf->dev, "%s: endpoint attributes don't match xfer " + "02%02x\n", __func__, sz->endpoint->bmAttributes); + retval = -ENODEV; + goto free_sz; + } + + pipe = usb_rcvintpipe(usbdev, sz->endpoint->bEndpointAddress); + maxp = usb_maxpacket(usbdev, pipe, usb_pipeout(pipe)); + + if (maxp == 0) { + dev_err(&intf->dev, "%s: endpoint Max Packet Size is 0!?!\n", + __func__); + retval = -ENODEV; + goto free_sz; + } + + /* Allocate the USB buffer and IRQ URB */ + sz->buf_in = usb_alloc_coherent(usbdev, maxp, GFP_ATOMIC, &sz->dma_in); + if (!sz->buf_in) + goto free_sz; + + sz->urb_in = usb_alloc_urb(0, GFP_KERNEL); + if (!sz->urb_in) + goto free_buf_in; + + sz->dev = &intf->dev; + sz->buf_in_len = maxp; + + if (usbdev->descriptor.iManufacturer + && usb_string(usbdev, usbdev->descriptor.iManufacturer, + buf, sizeof(buf)) > 0) + strlcpy(name, buf, sizeof(name)); + + if (usbdev->descriptor.iProduct + && usb_string(usbdev, usbdev->descriptor.iProduct, + buf, sizeof(buf)) > 0) + snprintf(name + strlen(name), sizeof(name) - strlen(name), + " %s", buf); + + retval = streamzap_delay_buf_init(sz); + if (retval) { + dev_err(&intf->dev, "%s: delay buffer init failed\n", __func__); + goto free_urb_in; + } + + sz->idev = streamzap_init_input_dev(sz); + if (!sz->idev) + goto input_dev_fail; + + sz->idle = true; + sz->decoder_state = PulseSpace; + #if 0 + /* not yet supported, depends on patches from maxim */ + /* see also: LIRC_GET_REC_RESOLUTION and LIRC_SET_REC_TIMEOUT */ + sz->timeout_enabled = false; + sz->min_timeout = STREAMZAP_TIMEOUT * STREAMZAP_RESOLUTION * 1000; + sz->max_timeout = STREAMZAP_TIMEOUT * STREAMZAP_RESOLUTION * 1000; + #endif + + init_timer(&sz->delay_timer); + sz->delay_timer.function = streamzap_delay_timeout; + sz->delay_timer.data = (unsigned long)sz; + spin_lock_init(&sz->timer_lock); + + init_timer(&sz->flush_timer); + sz->flush_timer.function = streamzap_flush_timeout; + sz->flush_timer.data = (unsigned long)sz; + + do_gettimeofday(&sz->signal_start); + + /* Complete final initialisations */ + usb_fill_int_urb(sz->urb_in, usbdev, pipe, sz->buf_in, + maxp, (usb_complete_t)streamzap_callback, + sz, sz->endpoint->bInterval); + sz->urb_in->transfer_dma = sz->dma_in; + sz->urb_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; + + usb_set_intfdata(intf, sz); + + streamzap_start_flush_timer(sz); + + dev_info(sz->dev, "Registered %s on usb%d:%d\n", name, + usbdev->bus->busnum, usbdev->devnum); + + return 0; + +input_dev_fail: + kfifo_free(&sz->fifo); +free_urb_in: + usb_free_urb(sz->urb_in); +free_buf_in: + usb_free_coherent(usbdev, maxp, sz->buf_in, sz->dma_in); +free_sz: + kfree(sz); + + return retval; +} + +/** + * streamzap_disconnect + * + * Called by the usb core when the device is removed from the system. + * + * This routine guarantees that the driver will not submit any more urbs + * by clearing dev->usbdev. It is also supposed to terminate any currently + * active urbs. Unfortunately, usb_bulk_msg(), used in streamzap_read(), + * does not provide any way to do this. + */ +static void streamzap_disconnect(struct usb_interface *interface) +{ + struct streamzap_ir *sz = usb_get_intfdata(interface); + struct usb_device *usbdev = interface_to_usbdev(interface); + + usb_set_intfdata(interface, NULL); + + if (!sz) + return; + + if (sz->flush) { + sz->flush = false; + del_timer_sync(&sz->flush_timer); + } + + streamzap_stop_timer(sz); + + sz->usbdev = NULL; + ir_input_unregister(sz->idev); + usb_kill_urb(sz->urb_in); + usb_free_urb(sz->urb_in); + usb_free_coherent(usbdev, sz->buf_in_len, sz->buf_in, sz->dma_in); + + kfree(sz); +} + +static int streamzap_suspend(struct usb_interface *intf, pm_message_t message) +{ + struct streamzap_ir *sz = usb_get_intfdata(intf); + + if (sz->flush) { + sz->flush = false; + del_timer_sync(&sz->flush_timer); + } + + streamzap_stop_timer(sz); + + usb_kill_urb(sz->urb_in); + + return 0; +} + +static int streamzap_resume(struct usb_interface *intf) +{ + struct streamzap_ir *sz = usb_get_intfdata(intf); + + if (sz->fifo_initialized) + kfifo_reset(&sz->fifo); + + sz->flush_timer.expires = jiffies + HZ; + sz->flush = true; + add_timer(&sz->flush_timer); + + if (usb_submit_urb(sz->urb_in, GFP_ATOMIC)) { + dev_err(sz->dev, "Error sumbiting urb\n"); + return -EIO; + } + + return 0; +} + +/** + * streamzap_init + */ +static int __init streamzap_init(void) +{ + int ret; + + /* register this driver with the USB subsystem */ + ret = usb_register(&streamzap_driver); + if (ret < 0) + printk(KERN_ERR DRIVER_NAME ": usb register failed, " + "result = %d\n", ret); + + return ret; +} + +/** + * streamzap_exit + */ +static void __exit streamzap_exit(void) +{ + usb_deregister(&streamzap_driver); +} + + +module_init(streamzap_init); +module_exit(streamzap_exit); + +MODULE_AUTHOR("Jarod Wilson <jarod@wilsonet.com>"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +module_param(debug, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(debug, "Enable debugging messages"); diff --git a/drivers/media/common/tuners/Kconfig b/drivers/media/common/tuners/Kconfig index 409a426..b3ed5da 100644 --- a/drivers/media/common/tuners/Kconfig +++ b/drivers/media/common/tuners/Kconfig @@ -34,7 +34,7 @@ config MEDIA_TUNER menuconfig MEDIA_TUNER_CUSTOMISE bool "Customize analog and hybrid tuner modules to build" depends on MEDIA_TUNER - default n + default y if EMBEDDED help This allows the user to deselect tuner drivers unnecessary for their hardware from the build. Use this option with care diff --git a/drivers/media/dvb/bt8xx/dst.c b/drivers/media/dvb/bt8xx/dst.c index 248a2a9..caa4e18 100644 --- a/drivers/media/dvb/bt8xx/dst.c +++ b/drivers/media/dvb/bt8xx/dst.c @@ -1763,7 +1763,15 @@ static struct dvb_frontend_ops dst_dvbt_ops = { .frequency_min = 137000000, .frequency_max = 858000000, .frequency_stepsize = 166667, - .caps = FE_CAN_FEC_AUTO | FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO + .caps = FE_CAN_FEC_AUTO | + FE_CAN_QAM_AUTO | + FE_CAN_QAM_16 | + FE_CAN_QAM_32 | + FE_CAN_QAM_64 | + FE_CAN_QAM_128 | + FE_CAN_QAM_256 | + FE_CAN_TRANSMISSION_MODE_AUTO | + FE_CAN_GUARD_INTERVAL_AUTO }, .release = dst_release, diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig index 51d578a..b5f6a04 100644 --- a/drivers/media/dvb/frontends/Kconfig +++ b/drivers/media/dvb/frontends/Kconfig @@ -1,7 +1,7 @@ config DVB_FE_CUSTOMISE bool "Customise the frontend modules to build" depends on DVB_CORE - default N + default y if EMBEDDED help This allows the user to select/deselect frontend drivers for their hardware from the build. diff --git a/drivers/media/dvb/siano/smscoreapi.c b/drivers/media/dvb/siano/smscoreapi.c index 7f2c94a1..d93468c 100644 --- a/drivers/media/dvb/siano/smscoreapi.c +++ b/drivers/media/dvb/siano/smscoreapi.c @@ -1113,9 +1113,11 @@ struct smscore_buffer_t *smscore_getbuffer(struct smscore_device_t *coredev) */ prepare_to_wait(&coredev->buffer_mng_waitq, &wait, TASK_INTERRUPTIBLE); - - if (list_empty(&coredev->buffers)) + if (list_empty(&coredev->buffers)) { + spin_unlock_irqrestore(&coredev->bufferslock, flags); schedule(); + spin_lock_irqsave(&coredev->bufferslock, flags); + } finish_wait(&coredev->buffer_mng_waitq, &wait); diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 2e15903..f6e4d04 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -83,7 +83,7 @@ config VIDEO_FIXED_MINOR_RANGES config VIDEO_HELPER_CHIPS_AUTO bool "Autoselect pertinent encoders/decoders and other helper chips" - default y + default y if !EMBEDDED ---help--- Most video cards may require additional modules to encode or decode audio/video standards. This option will autoselect @@ -792,10 +792,11 @@ config SOC_CAMERA_MT9M001 and colour models. config SOC_CAMERA_MT9M111 - tristate "mt9m111 and mt9m112 support" + tristate "mt9m111, mt9m112 and mt9m131 support" depends on SOC_CAMERA && I2C help - This driver supports MT9M111 and MT9M112 cameras from Micron + This driver supports MT9M111, MT9M112 and MT9M131 cameras from + Micron/Aptina config SOC_CAMERA_MT9T031 tristate "mt9t031 support" @@ -1016,4 +1017,13 @@ config VIDEO_MEM2MEM_TESTDEV This is a virtual test device for the memory-to-memory driver framework. +config VIDEO_SAMSUNG_S5P_FIMC + tristate "Samsung S5P FIMC (video postprocessor) driver" + depends on VIDEO_DEV && VIDEO_V4L2 && PLAT_S5P + select VIDEOBUF_DMA_CONTIG + select V4L2_MEM2MEM_DEV + help + This is a v4l2 driver for the S5P camera interface + (video postprocessor) + endif # V4L_MEM2MEM_DRIVERS diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile index 1051ecc6..40f98fb 100644 --- a/drivers/media/video/Makefile +++ b/drivers/media/video/Makefile @@ -11,7 +11,7 @@ stkwebcam-objs := stk-webcam.o stk-sensor.o omap2cam-objs := omap24xxcam.o omap24xxcam-dma.o videodev-objs := v4l2-dev.o v4l2-ioctl.o v4l2-device.o v4l2-fh.o \ - v4l2-event.o + v4l2-event.o v4l2-ctrls.o # V4L2 core modules @@ -163,6 +163,7 @@ obj-$(CONFIG_VIDEO_MX3) += mx3_camera.o obj-$(CONFIG_VIDEO_PXA27x) += pxa_camera.o obj-$(CONFIG_VIDEO_SH_MOBILE_CSI2) += sh_mobile_csi2.o obj-$(CONFIG_VIDEO_SH_MOBILE_CEU) += sh_mobile_ceu_camera.o +obj-$(CONFIG_VIDEO_SAMSUNG_S5P_FIMC) += s5p-fimc/ obj-$(CONFIG_ARCH_DAVINCI) += davinci/ diff --git a/drivers/media/video/cs53l32a.c b/drivers/media/video/cs53l32a.c index 3cc135a..cc9e84d 100644 --- a/drivers/media/video/cs53l32a.c +++ b/drivers/media/video/cs53l32a.c @@ -26,10 +26,10 @@ #include <linux/ioctl.h> #include <asm/uaccess.h> #include <linux/i2c.h> -#include <linux/i2c-id.h> #include <linux/videodev2.h> #include <media/v4l2-device.h> #include <media/v4l2-chip-ident.h> +#include <media/v4l2-ctrls.h> #include <media/v4l2-i2c-drv.h> MODULE_DESCRIPTION("i2c device driver for cs53l32a Audio ADC"); @@ -43,6 +43,21 @@ module_param(debug, bool, 0644); MODULE_PARM_DESC(debug, "Debugging messages, 0=Off (default), 1=On"); +struct cs53l32a_state { + struct v4l2_subdev sd; + struct v4l2_ctrl_handler hdl; +}; + +static inline struct cs53l32a_state *to_state(struct v4l2_subdev *sd) +{ + return container_of(sd, struct cs53l32a_state, sd); +} + +static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) +{ + return &container_of(ctrl->handler, struct cs53l32a_state, hdl)->sd; +} + /* ----------------------------------------------------------------------- */ static int cs53l32a_write(struct v4l2_subdev *sd, u8 reg, u8 value) @@ -74,31 +89,20 @@ static int cs53l32a_s_routing(struct v4l2_subdev *sd, return 0; } -static int cs53l32a_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) +static int cs53l32a_s_ctrl(struct v4l2_ctrl *ctrl) { - if (ctrl->id == V4L2_CID_AUDIO_MUTE) { - ctrl->value = (cs53l32a_read(sd, 0x03) & 0xc0) != 0; - return 0; - } - if (ctrl->id != V4L2_CID_AUDIO_VOLUME) - return -EINVAL; - ctrl->value = (s8)cs53l32a_read(sd, 0x04); - return 0; -} + struct v4l2_subdev *sd = to_sd(ctrl); -static int cs53l32a_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) -{ - if (ctrl->id == V4L2_CID_AUDIO_MUTE) { - cs53l32a_write(sd, 0x03, ctrl->value ? 0xf0 : 0x30); + switch (ctrl->id) { + case V4L2_CID_AUDIO_MUTE: + cs53l32a_write(sd, 0x03, ctrl->val ? 0xf0 : 0x30); + return 0; + case V4L2_CID_AUDIO_VOLUME: + cs53l32a_write(sd, 0x04, (u8)ctrl->val); + cs53l32a_write(sd, 0x05, (u8)ctrl->val); return 0; } - if (ctrl->id != V4L2_CID_AUDIO_VOLUME) - return -EINVAL; - if (ctrl->value > 12 || ctrl->value < -96) - return -EINVAL; - cs53l32a_write(sd, 0x04, (u8) ctrl->value); - cs53l32a_write(sd, 0x05, (u8) ctrl->value); - return 0; + return -EINVAL; } static int cs53l32a_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip) @@ -111,23 +115,30 @@ static int cs53l32a_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_id static int cs53l32a_log_status(struct v4l2_subdev *sd) { + struct cs53l32a_state *state = to_state(sd); u8 v = cs53l32a_read(sd, 0x01); - u8 m = cs53l32a_read(sd, 0x03); - s8 vol = cs53l32a_read(sd, 0x04); - v4l2_info(sd, "Input: %d%s\n", (v >> 4) & 3, - (m & 0xC0) ? " (muted)" : ""); - v4l2_info(sd, "Volume: %d dB\n", vol); + v4l2_info(sd, "Input: %d\n", (v >> 4) & 3); + v4l2_ctrl_handler_log_status(&state->hdl, sd->name); return 0; } /* ----------------------------------------------------------------------- */ +static const struct v4l2_ctrl_ops cs53l32a_ctrl_ops = { + .s_ctrl = cs53l32a_s_ctrl, +}; + static const struct v4l2_subdev_core_ops cs53l32a_core_ops = { .log_status = cs53l32a_log_status, .g_chip_ident = cs53l32a_g_chip_ident, - .g_ctrl = cs53l32a_g_ctrl, - .s_ctrl = cs53l32a_s_ctrl, + .g_ext_ctrls = v4l2_subdev_g_ext_ctrls, + .try_ext_ctrls = v4l2_subdev_try_ext_ctrls, + .s_ext_ctrls = v4l2_subdev_s_ext_ctrls, + .g_ctrl = v4l2_subdev_g_ctrl, + .s_ctrl = v4l2_subdev_s_ctrl, + .queryctrl = v4l2_subdev_queryctrl, + .querymenu = v4l2_subdev_querymenu, }; static const struct v4l2_subdev_audio_ops cs53l32a_audio_ops = { @@ -151,6 +162,7 @@ static const struct v4l2_subdev_ops cs53l32a_ops = { static int cs53l32a_probe(struct i2c_client *client, const struct i2c_device_id *id) { + struct cs53l32a_state *state; struct v4l2_subdev *sd; int i; @@ -164,9 +176,10 @@ static int cs53l32a_probe(struct i2c_client *client, v4l_info(client, "chip found @ 0x%x (%s)\n", client->addr << 1, client->adapter->name); - sd = kmalloc(sizeof(struct v4l2_subdev), GFP_KERNEL); - if (sd == NULL) + state = kzalloc(sizeof(struct cs53l32a_state), GFP_KERNEL); + if (state == NULL) return -ENOMEM; + sd = &state->sd; v4l2_i2c_subdev_init(sd, client, &cs53l32a_ops); for (i = 1; i <= 7; i++) { @@ -175,15 +188,29 @@ static int cs53l32a_probe(struct i2c_client *client, v4l2_dbg(1, debug, sd, "Read Reg %d %02x\n", i, v); } + v4l2_ctrl_handler_init(&state->hdl, 2); + v4l2_ctrl_new_std(&state->hdl, &cs53l32a_ctrl_ops, + V4L2_CID_AUDIO_VOLUME, -96, 12, 1, 0); + v4l2_ctrl_new_std(&state->hdl, &cs53l32a_ctrl_ops, + V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0); + sd->ctrl_handler = &state->hdl; + if (state->hdl.error) { + int err = state->hdl.error; + + v4l2_ctrl_handler_free(&state->hdl); + kfree(state); + return err; + } + /* Set cs53l32a internal register for Adaptec 2010/2410 setup */ - cs53l32a_write(sd, 0x01, (u8) 0x21); - cs53l32a_write(sd, 0x02, (u8) 0x29); - cs53l32a_write(sd, 0x03, (u8) 0x30); - cs53l32a_write(sd, 0x04, (u8) 0x00); - cs53l32a_write(sd, 0x05, (u8) 0x00); - cs53l32a_write(sd, 0x06, (u8) 0x00); - cs53l32a_write(sd, 0x07, (u8) 0x00); + cs53l32a_write(sd, 0x01, 0x21); + cs53l32a_write(sd, 0x02, 0x29); + cs53l32a_write(sd, 0x03, 0x30); + cs53l32a_write(sd, 0x04, 0x00); + cs53l32a_write(sd, 0x05, 0x00); + cs53l32a_write(sd, 0x06, 0x00); + cs53l32a_write(sd, 0x07, 0x00); /* Display results, should be 0x21,0x29,0x30,0x00,0x00,0x00,0x00 */ @@ -198,9 +225,11 @@ static int cs53l32a_probe(struct i2c_client *client, static int cs53l32a_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct cs53l32a_state *state = to_state(sd); v4l2_device_unregister_subdev(sd); - kfree(sd); + v4l2_ctrl_handler_free(&state->hdl); + kfree(state); return 0; } diff --git a/drivers/media/video/cx2341x.c b/drivers/media/video/cx2341x.c index 2bf44ef..e5c3c8d 100644 --- a/drivers/media/video/cx2341x.c +++ b/drivers/media/video/cx2341x.c @@ -38,6 +38,145 @@ static int debug; module_param(debug, int, 0644); MODULE_PARM_DESC(debug, "Debug level (0-1)"); +/********************** COMMON CODE *********************/ + +/* definitions for audio properties bits 29-28 */ +#define CX2341X_AUDIO_ENCODING_METHOD_MPEG 0 +#define CX2341X_AUDIO_ENCODING_METHOD_AC3 1 +#define CX2341X_AUDIO_ENCODING_METHOD_LPCM 2 + +static const char *cx2341x_get_name(u32 id) +{ + switch (id) { + case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: + return "Spatial Filter Mode"; + case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER: + return "Spatial Filter"; + case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE: + return "Spatial Luma Filter Type"; + case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE: + return "Spatial Chroma Filter Type"; + case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE: + return "Temporal Filter Mode"; + case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER: + return "Temporal Filter"; + case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE: + return "Median Filter Type"; + case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP: + return "Median Luma Filter Maximum"; + case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM: + return "Median Luma Filter Minimum"; + case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP: + return "Median Chroma Filter Maximum"; + case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM: + return "Median Chroma Filter Minimum"; + case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS: + return "Insert Navigation Packets"; + } + return NULL; +} + +static const char **cx2341x_get_menu(u32 id) +{ + static const char *cx2341x_video_spatial_filter_mode_menu[] = { + "Manual", + "Auto", + NULL + }; + + static const char *cx2341x_video_luma_spatial_filter_type_menu[] = { + "Off", + "1D Horizontal", + "1D Vertical", + "2D H/V Separable", + "2D Symmetric non-separable", + NULL + }; + + static const char *cx2341x_video_chroma_spatial_filter_type_menu[] = { + "Off", + "1D Horizontal", + NULL + }; + + static const char *cx2341x_video_temporal_filter_mode_menu[] = { + "Manual", + "Auto", + NULL + }; + + static const char *cx2341x_video_median_filter_type_menu[] = { + "Off", + "Horizontal", + "Vertical", + "Horizontal/Vertical", + "Diagonal", + NULL + }; + + switch (id) { + case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: + return cx2341x_video_spatial_filter_mode_menu; + case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE: + return cx2341x_video_luma_spatial_filter_type_menu; + case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE: + return cx2341x_video_chroma_spatial_filter_type_menu; + case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE: + return cx2341x_video_temporal_filter_mode_menu; + case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE: + return cx2341x_video_median_filter_type_menu; + } + return NULL; +} + +static void cx2341x_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, + s32 *min, s32 *max, s32 *step, s32 *def, u32 *flags) +{ + *name = cx2341x_get_name(id); + *flags = 0; + + switch (id) { + case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: + case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE: + case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE: + case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE: + case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE: + *type = V4L2_CTRL_TYPE_MENU; + *min = 0; + *step = 0; + break; + case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS: + *type = V4L2_CTRL_TYPE_BOOLEAN; + *min = 0; + *max = *step = 1; + break; + default: + *type = V4L2_CTRL_TYPE_INTEGER; + break; + } + switch (id) { + case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: + case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE: + case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE: + *flags |= V4L2_CTRL_FLAG_UPDATE; + break; + case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER: + case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER: + case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP: + case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM: + case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP: + case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM: + *flags |= V4L2_CTRL_FLAG_SLIDER; + break; + case V4L2_CID_MPEG_VIDEO_ENCODING: + *flags |= V4L2_CTRL_FLAG_READ_ONLY; + break; + } +} + + +/********************** OLD CODE *********************/ + /* Must be sorted from low to high control ID! */ const u32 cx2341x_mpeg_ctrls[] = { V4L2_CID_MPEG_CLASS, @@ -134,8 +273,6 @@ static const struct cx2341x_mpeg_params default_params = { .video_chroma_median_filter_top = 255, .video_chroma_median_filter_bottom = 0, }; - - /* Map the control ID to the correct field in the cx2341x_mpeg_params struct. Return -EINVAL if the ID is unknown, else return 0. */ static int cx2341x_get_ctrl(const struct cx2341x_mpeg_params *params, @@ -415,83 +552,33 @@ static int cx2341x_ctrl_query_fill(struct v4l2_queryctrl *qctrl, { const char *name; - qctrl->flags = 0; switch (qctrl->id) { /* MPEG controls */ case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: - name = "Spatial Filter Mode"; - break; case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER: - name = "Spatial Filter"; - break; case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE: - name = "Spatial Luma Filter Type"; - break; case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE: - name = "Spatial Chroma Filter Type"; - break; case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE: - name = "Temporal Filter Mode"; - break; case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER: - name = "Temporal Filter"; - break; case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE: - name = "Median Filter Type"; - break; case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP: - name = "Median Luma Filter Maximum"; - break; case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM: - name = "Median Luma Filter Minimum"; - break; case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP: - name = "Median Chroma Filter Maximum"; - break; case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM: - name = "Median Chroma Filter Minimum"; - break; case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS: - name = "Insert Navigation Packets"; - break; + cx2341x_ctrl_fill(qctrl->id, &name, &qctrl->type, + &min, &max, &step, &def, &qctrl->flags); + qctrl->minimum = min; + qctrl->maximum = max; + qctrl->step = step; + qctrl->default_value = def; + qctrl->reserved[0] = qctrl->reserved[1] = 0; + strlcpy(qctrl->name, name, sizeof(qctrl->name)); + return 0; default: return v4l2_ctrl_query_fill(qctrl, min, max, step, def); } - switch (qctrl->id) { - case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: - case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE: - case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE: - case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE: - case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE: - qctrl->type = V4L2_CTRL_TYPE_MENU; - min = 0; - step = 1; - break; - case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS: - qctrl->type = V4L2_CTRL_TYPE_BOOLEAN; - min = 0; - max = 1; - step = 1; - break; - default: - qctrl->type = V4L2_CTRL_TYPE_INTEGER; - break; - } - switch (qctrl->id) { - case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: - case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE: - case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE: - qctrl->flags |= V4L2_CTRL_FLAG_UPDATE; - break; - } - qctrl->minimum = min; - qctrl->maximum = max; - qctrl->step = step; - qctrl->default_value = def; - qctrl->reserved[0] = qctrl->reserved[1] = 0; - snprintf(qctrl->name, sizeof(qctrl->name), name); - return 0; } int cx2341x_ctrl_query(const struct cx2341x_mpeg_params *params, @@ -797,42 +884,6 @@ const char **cx2341x_ctrl_get_menu(const struct cx2341x_mpeg_params *p, u32 id) NULL }; - static const char *cx2341x_video_spatial_filter_mode_menu[] = { - "Manual", - "Auto", - NULL - }; - - static const char *cx2341x_video_luma_spatial_filter_type_menu[] = { - "Off", - "1D Horizontal", - "1D Vertical", - "2D H/V Separable", - "2D Symmetric non-separable", - NULL - }; - - static const char *cx2341x_video_chroma_spatial_filter_type_menu[] = { - "Off", - "1D Horizontal", - NULL - }; - - static const char *cx2341x_video_temporal_filter_mode_menu[] = { - "Manual", - "Auto", - NULL - }; - - static const char *cx2341x_video_median_filter_type_menu[] = { - "Off", - "Horizontal", - "Vertical", - "Horizontal/Vertical", - "Diagonal", - NULL - }; - switch (id) { case V4L2_CID_MPEG_STREAM_TYPE: return (p->capabilities & CX2341X_CAP_HAS_TS) ? @@ -844,26 +895,17 @@ const char **cx2341x_ctrl_get_menu(const struct cx2341x_mpeg_params *p, u32 id) case V4L2_CID_MPEG_AUDIO_L3_BITRATE: return NULL; case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: - return cx2341x_video_spatial_filter_mode_menu; case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE: - return cx2341x_video_luma_spatial_filter_type_menu; case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE: - return cx2341x_video_chroma_spatial_filter_type_menu; case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE: - return cx2341x_video_temporal_filter_mode_menu; case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE: - return cx2341x_video_median_filter_type_menu; + return cx2341x_get_menu(id); default: return v4l2_ctrl_get_menu(id); } } EXPORT_SYMBOL(cx2341x_ctrl_get_menu); -/* definitions for audio properties bits 29-28 */ -#define CX2341X_AUDIO_ENCODING_METHOD_MPEG 0 -#define CX2341X_AUDIO_ENCODING_METHOD_AC3 1 -#define CX2341X_AUDIO_ENCODING_METHOD_LPCM 2 - static void cx2341x_calc_audio_properties(struct cx2341x_mpeg_params *params) { params->audio_properties = @@ -1195,9 +1237,490 @@ void cx2341x_log_status(const struct cx2341x_mpeg_params *p, const char *prefix) } EXPORT_SYMBOL(cx2341x_log_status); -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ + +/********************** NEW CODE *********************/ + +static inline struct cx2341x_handler *to_cxhdl(struct v4l2_ctrl *ctrl) +{ + return container_of(ctrl->handler, struct cx2341x_handler, hdl); +} + +static int cx2341x_hdl_api(struct cx2341x_handler *hdl, + u32 cmd, int args, ...) +{ + u32 data[CX2341X_MBOX_MAX_DATA]; + va_list vargs; + int i; + + va_start(vargs, args); + + for (i = 0; i < args; i++) + data[i] = va_arg(vargs, int); + va_end(vargs); + return hdl->func(hdl->priv, cmd, args, 0, data); +} + +/* ctrl->handler->lock is held, so it is safe to access cur.val */ +static inline int cx2341x_neq(struct v4l2_ctrl *ctrl) +{ + return ctrl && ctrl->val != ctrl->cur.val; +} + +static int cx2341x_try_ctrl(struct v4l2_ctrl *ctrl) +{ + struct cx2341x_handler *hdl = to_cxhdl(ctrl); + s32 val = ctrl->val; + + switch (ctrl->id) { + case V4L2_CID_MPEG_VIDEO_B_FRAMES: { + /* video gop cluster */ + int b = val + 1; + int gop = hdl->video_gop_size->val; + + gop = b * ((gop + b - 1) / b); + + /* Max GOP size = 34 */ + while (gop > 34) + gop -= b; + hdl->video_gop_size->val = gop; + break; + } + + case V4L2_CID_MPEG_STREAM_TYPE: + /* stream type cluster */ + hdl->video_encoding->val = + (hdl->stream_type->val == V4L2_MPEG_STREAM_TYPE_MPEG1_SS || + hdl->stream_type->val == V4L2_MPEG_STREAM_TYPE_MPEG1_VCD) ? + V4L2_MPEG_VIDEO_ENCODING_MPEG_1 : + V4L2_MPEG_VIDEO_ENCODING_MPEG_2; + if (hdl->video_encoding->val == V4L2_MPEG_VIDEO_ENCODING_MPEG_1) + /* MPEG-1 implies CBR */ + hdl->video_bitrate_mode->val = + V4L2_MPEG_VIDEO_BITRATE_MODE_CBR; + /* peak bitrate shall be >= normal bitrate */ + if (hdl->video_bitrate_mode->val == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR && + hdl->video_bitrate_peak->val < hdl->video_bitrate->val) + hdl->video_bitrate_peak->val = hdl->video_bitrate->val; + break; + } + return 0; +} + +static int cx2341x_s_ctrl(struct v4l2_ctrl *ctrl) +{ + static const int mpeg_stream_type[] = { + 0, /* MPEG-2 PS */ + 1, /* MPEG-2 TS */ + 2, /* MPEG-1 SS */ + 14, /* DVD */ + 11, /* VCD */ + 12, /* SVCD */ + }; + struct cx2341x_handler *hdl = to_cxhdl(ctrl); + s32 val = ctrl->val; + u32 props; + int err; + + switch (ctrl->id) { + case V4L2_CID_MPEG_STREAM_VBI_FMT: + if (hdl->ops && hdl->ops->s_stream_vbi_fmt) + return hdl->ops->s_stream_vbi_fmt(hdl, val); + return 0; + + case V4L2_CID_MPEG_VIDEO_ASPECT: + return cx2341x_hdl_api(hdl, + CX2341X_ENC_SET_ASPECT_RATIO, 1, val + 1); + + case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: + return cx2341x_hdl_api(hdl, CX2341X_ENC_SET_GOP_CLOSURE, 1, val); + + case V4L2_CID_MPEG_AUDIO_MUTE: + return cx2341x_hdl_api(hdl, CX2341X_ENC_MUTE_AUDIO, 1, val); + + case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION: + return cx2341x_hdl_api(hdl, + CX2341X_ENC_SET_FRAME_DROP_RATE, 1, val); + + case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS: + return cx2341x_hdl_api(hdl, CX2341X_ENC_MISC, 2, 7, val); + + case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: + /* audio properties cluster */ + props = (hdl->audio_sampling_freq->val << 0) | + (hdl->audio_mode->val << 8) | + (hdl->audio_mode_extension->val << 10) | + (hdl->audio_crc->val << 14); + if (hdl->audio_emphasis->val == V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17) + props |= 3 << 12; + else + props |= hdl->audio_emphasis->val << 12; + + if (hdl->audio_encoding->val == V4L2_MPEG_AUDIO_ENCODING_AC3) { + props |= +#if 1 + /* Not sure if this MPEG Layer II setting is required */ + ((3 - V4L2_MPEG_AUDIO_ENCODING_LAYER_2) << 2) | +#endif + (hdl->audio_ac3_bitrate->val << 4) | + (CX2341X_AUDIO_ENCODING_METHOD_AC3 << 28); + } else { + /* Assuming MPEG Layer II */ + props |= + ((3 - hdl->audio_encoding->val) << 2) | + ((1 + hdl->audio_l2_bitrate->val) << 4); + } + err = cx2341x_hdl_api(hdl, + CX2341X_ENC_SET_AUDIO_PROPERTIES, 1, props); + if (err) + return err; + + hdl->audio_properties = props; + if (hdl->audio_ac3_bitrate) { + int is_ac3 = hdl->audio_encoding->val == + V4L2_MPEG_AUDIO_ENCODING_AC3; + + v4l2_ctrl_activate(hdl->audio_ac3_bitrate, is_ac3); + v4l2_ctrl_activate(hdl->audio_l2_bitrate, !is_ac3); + } + v4l2_ctrl_activate(hdl->audio_mode_extension, + hdl->audio_mode->val == V4L2_MPEG_AUDIO_MODE_JOINT_STEREO); + if (cx2341x_neq(hdl->audio_sampling_freq) && + hdl->ops && hdl->ops->s_audio_sampling_freq) + return hdl->ops->s_audio_sampling_freq(hdl, hdl->audio_sampling_freq->val); + if (cx2341x_neq(hdl->audio_mode) && + hdl->ops && hdl->ops->s_audio_mode) + return hdl->ops->s_audio_mode(hdl, hdl->audio_mode->val); + return 0; + + case V4L2_CID_MPEG_VIDEO_B_FRAMES: + /* video gop cluster */ + return cx2341x_hdl_api(hdl, CX2341X_ENC_SET_GOP_PROPERTIES, 2, + hdl->video_gop_size->val, + hdl->video_b_frames->val + 1); + + case V4L2_CID_MPEG_STREAM_TYPE: + /* stream type cluster */ + err = cx2341x_hdl_api(hdl, + CX2341X_ENC_SET_STREAM_TYPE, 1, mpeg_stream_type[val]); + if (err) + return err; + + err = cx2341x_hdl_api(hdl, CX2341X_ENC_SET_BIT_RATE, 5, + hdl->video_bitrate_mode->val, + hdl->video_bitrate->val, + hdl->video_bitrate_peak->val / 400, 0, 0); + if (err) + return err; + + v4l2_ctrl_activate(hdl->video_bitrate_mode, + hdl->video_encoding->val != V4L2_MPEG_VIDEO_ENCODING_MPEG_1); + v4l2_ctrl_activate(hdl->video_bitrate_peak, + hdl->video_bitrate_mode->val != V4L2_MPEG_VIDEO_BITRATE_MODE_CBR); + if (cx2341x_neq(hdl->video_encoding) && + hdl->ops && hdl->ops->s_video_encoding) + return hdl->ops->s_video_encoding(hdl, hdl->video_encoding->val); + return 0; + + case V4L2_CID_MPEG_VIDEO_MUTE: + /* video mute cluster */ + return cx2341x_hdl_api(hdl, CX2341X_ENC_MUTE_VIDEO, 1, + hdl->video_mute->val | + (hdl->video_mute_yuv->val << 8)); + + case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: { + int active_filter; + + /* video filter mode */ + err = cx2341x_hdl_api(hdl, CX2341X_ENC_SET_DNR_FILTER_MODE, 2, + hdl->video_spatial_filter_mode->val | + (hdl->video_temporal_filter_mode->val << 1), + hdl->video_median_filter_type->val); + if (err) + return err; + + active_filter = hdl->video_spatial_filter_mode->val != + V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO; + v4l2_ctrl_activate(hdl->video_spatial_filter, active_filter); + v4l2_ctrl_activate(hdl->video_luma_spatial_filter_type, active_filter); + v4l2_ctrl_activate(hdl->video_chroma_spatial_filter_type, active_filter); + active_filter = hdl->video_temporal_filter_mode->val != + V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO; + v4l2_ctrl_activate(hdl->video_temporal_filter, active_filter); + active_filter = hdl->video_median_filter_type->val != + V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF; + v4l2_ctrl_activate(hdl->video_luma_median_filter_bottom, active_filter); + v4l2_ctrl_activate(hdl->video_luma_median_filter_top, active_filter); + v4l2_ctrl_activate(hdl->video_chroma_median_filter_bottom, active_filter); + v4l2_ctrl_activate(hdl->video_chroma_median_filter_top, active_filter); + return 0; + } + + case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE: + /* video filter type cluster */ + return cx2341x_hdl_api(hdl, + CX2341X_ENC_SET_SPATIAL_FILTER_TYPE, 2, + hdl->video_luma_spatial_filter_type->val, + hdl->video_chroma_spatial_filter_type->val); + + case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER: + /* video filter cluster */ + return cx2341x_hdl_api(hdl, CX2341X_ENC_SET_DNR_FILTER_PROPS, 2, + hdl->video_spatial_filter->val, + hdl->video_temporal_filter->val); + + case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP: + /* video median cluster */ + return cx2341x_hdl_api(hdl, CX2341X_ENC_SET_CORING_LEVELS, 4, + hdl->video_luma_median_filter_bottom->val, + hdl->video_luma_median_filter_top->val, + hdl->video_chroma_median_filter_bottom->val, + hdl->video_chroma_median_filter_top->val); + } + return -EINVAL; +} + +static const struct v4l2_ctrl_ops cx2341x_ops = { + .try_ctrl = cx2341x_try_ctrl, + .s_ctrl = cx2341x_s_ctrl, +}; + +static struct v4l2_ctrl *cx2341x_ctrl_new_custom(struct v4l2_ctrl_handler *hdl, + u32 id, s32 min, s32 max, s32 step, s32 def) +{ + struct v4l2_ctrl_config cfg; + + cx2341x_ctrl_fill(id, &cfg.name, &cfg.type, &min, &max, &step, &def, &cfg.flags); + cfg.ops = &cx2341x_ops; + cfg.id = id; + cfg.min = min; + cfg.max = max; + cfg.def = def; + if (cfg.type == V4L2_CTRL_TYPE_MENU) { + cfg.step = 0; + cfg.menu_skip_mask = step; + cfg.qmenu = cx2341x_get_menu(id); + } else { + cfg.step = step; + cfg.menu_skip_mask = 0; + } + return v4l2_ctrl_new_custom(hdl, &cfg, NULL); +} + +static struct v4l2_ctrl *cx2341x_ctrl_new_std(struct v4l2_ctrl_handler *hdl, + u32 id, s32 min, s32 max, s32 step, s32 def) +{ + return v4l2_ctrl_new_std(hdl, &cx2341x_ops, id, min, max, step, def); +} + +static struct v4l2_ctrl *cx2341x_ctrl_new_menu(struct v4l2_ctrl_handler *hdl, + u32 id, s32 max, s32 mask, s32 def) +{ + return v4l2_ctrl_new_std_menu(hdl, &cx2341x_ops, id, max, mask, def); +} + +int cx2341x_handler_init(struct cx2341x_handler *cxhdl, + unsigned nr_of_controls_hint) +{ + struct v4l2_ctrl_handler *hdl = &cxhdl->hdl; + u32 caps = cxhdl->capabilities; + int has_sliced_vbi = caps & CX2341X_CAP_HAS_SLICED_VBI; + int has_ac3 = caps & CX2341X_CAP_HAS_AC3; + int has_ts = caps & CX2341X_CAP_HAS_TS; + + cxhdl->width = 720; + cxhdl->height = 480; + + v4l2_ctrl_handler_init(hdl, nr_of_controls_hint); + + /* Add controls in ascending control ID order for fastest + insertion time. */ + cxhdl->stream_type = cx2341x_ctrl_new_menu(hdl, + V4L2_CID_MPEG_STREAM_TYPE, + V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD, has_ts ? 0 : 2, + V4L2_MPEG_STREAM_TYPE_MPEG2_PS); + cxhdl->stream_vbi_fmt = cx2341x_ctrl_new_menu(hdl, + V4L2_CID_MPEG_STREAM_VBI_FMT, + V4L2_MPEG_STREAM_VBI_FMT_IVTV, has_sliced_vbi ? 0 : 2, + V4L2_MPEG_STREAM_VBI_FMT_NONE); + cxhdl->audio_sampling_freq = cx2341x_ctrl_new_menu(hdl, + V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ, + V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000, 0, + V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000); + cxhdl->audio_encoding = cx2341x_ctrl_new_menu(hdl, + V4L2_CID_MPEG_AUDIO_ENCODING, + V4L2_MPEG_AUDIO_ENCODING_AC3, has_ac3 ? ~0x12 : ~0x2, + V4L2_MPEG_AUDIO_ENCODING_LAYER_2); + cxhdl->audio_l2_bitrate = cx2341x_ctrl_new_menu(hdl, + V4L2_CID_MPEG_AUDIO_L2_BITRATE, + V4L2_MPEG_AUDIO_L2_BITRATE_384K, 0x1ff, + V4L2_MPEG_AUDIO_L2_BITRATE_224K); + cxhdl->audio_mode = cx2341x_ctrl_new_menu(hdl, + V4L2_CID_MPEG_AUDIO_MODE, + V4L2_MPEG_AUDIO_MODE_MONO, 0, + V4L2_MPEG_AUDIO_MODE_STEREO); + cxhdl->audio_mode_extension = cx2341x_ctrl_new_menu(hdl, + V4L2_CID_MPEG_AUDIO_MODE_EXTENSION, + V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16, 0, + V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4); + cxhdl->audio_emphasis = cx2341x_ctrl_new_menu(hdl, + V4L2_CID_MPEG_AUDIO_EMPHASIS, + V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17, 0, + V4L2_MPEG_AUDIO_EMPHASIS_NONE); + cxhdl->audio_crc = cx2341x_ctrl_new_menu(hdl, + V4L2_CID_MPEG_AUDIO_CRC, + V4L2_MPEG_AUDIO_CRC_CRC16, 0, + V4L2_MPEG_AUDIO_CRC_NONE); + + cx2341x_ctrl_new_std(hdl, V4L2_CID_MPEG_AUDIO_MUTE, 0, 1, 1, 0); + if (has_ac3) + cxhdl->audio_ac3_bitrate = cx2341x_ctrl_new_menu(hdl, + V4L2_CID_MPEG_AUDIO_AC3_BITRATE, + V4L2_MPEG_AUDIO_AC3_BITRATE_448K, 0x03, + V4L2_MPEG_AUDIO_AC3_BITRATE_224K); + cxhdl->video_encoding = cx2341x_ctrl_new_menu(hdl, + V4L2_CID_MPEG_VIDEO_ENCODING, + V4L2_MPEG_VIDEO_ENCODING_MPEG_2, 0, + V4L2_MPEG_VIDEO_ENCODING_MPEG_2); + cx2341x_ctrl_new_menu(hdl, + V4L2_CID_MPEG_VIDEO_ASPECT, + V4L2_MPEG_VIDEO_ASPECT_221x100, 0, + V4L2_MPEG_VIDEO_ASPECT_4x3); + cxhdl->video_b_frames = cx2341x_ctrl_new_std(hdl, + V4L2_CID_MPEG_VIDEO_B_FRAMES, 0, 33, 1, 2); + cxhdl->video_gop_size = cx2341x_ctrl_new_std(hdl, + V4L2_CID_MPEG_VIDEO_GOP_SIZE, + 1, 34, 1, cxhdl->is_50hz ? 12 : 15); + cx2341x_ctrl_new_std(hdl, V4L2_CID_MPEG_VIDEO_GOP_CLOSURE, 0, 1, 1, 1); + cxhdl->video_bitrate_mode = cx2341x_ctrl_new_menu(hdl, + V4L2_CID_MPEG_VIDEO_BITRATE_MODE, + V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 0, + V4L2_MPEG_VIDEO_BITRATE_MODE_VBR); + cxhdl->video_bitrate = cx2341x_ctrl_new_std(hdl, + V4L2_CID_MPEG_VIDEO_BITRATE, + 0, 27000000, 1, 6000000); + cxhdl->video_bitrate_peak = cx2341x_ctrl_new_std(hdl, + V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, + 0, 27000000, 1, 8000000); + cx2341x_ctrl_new_std(hdl, + V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION, 0, 255, 1, 0); + cxhdl->video_mute = cx2341x_ctrl_new_std(hdl, + V4L2_CID_MPEG_VIDEO_MUTE, 0, 1, 1, 0); + cxhdl->video_mute_yuv = cx2341x_ctrl_new_std(hdl, + V4L2_CID_MPEG_VIDEO_MUTE_YUV, 0, 0xffffff, 1, 0x008080); + + /* CX23415/6 specific */ + cxhdl->video_spatial_filter_mode = cx2341x_ctrl_new_custom(hdl, + V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE, + V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL, + V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO, 0, + V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL); + cxhdl->video_spatial_filter = cx2341x_ctrl_new_custom(hdl, + V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER, + 0, 15, 1, 0); + cxhdl->video_luma_spatial_filter_type = cx2341x_ctrl_new_custom(hdl, + V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE, + V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF, + V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE, + 0, + V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR); + cxhdl->video_chroma_spatial_filter_type = cx2341x_ctrl_new_custom(hdl, + V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE, + V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF, + V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR, + 0, + V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR); + cxhdl->video_temporal_filter_mode = cx2341x_ctrl_new_custom(hdl, + V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE, + V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL, + V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO, + 0, + V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL); + cxhdl->video_temporal_filter = cx2341x_ctrl_new_custom(hdl, + V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER, + 0, 31, 1, 8); + cxhdl->video_median_filter_type = cx2341x_ctrl_new_custom(hdl, + V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE, + V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF, + V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG, + 0, + V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF); + cxhdl->video_luma_median_filter_bottom = cx2341x_ctrl_new_custom(hdl, + V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM, + 0, 255, 1, 0); + cxhdl->video_luma_median_filter_top = cx2341x_ctrl_new_custom(hdl, + V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP, + 0, 255, 1, 255); + cxhdl->video_chroma_median_filter_bottom = cx2341x_ctrl_new_custom(hdl, + V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM, + 0, 255, 1, 0); + cxhdl->video_chroma_median_filter_top = cx2341x_ctrl_new_custom(hdl, + V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP, + 0, 255, 1, 255); + cx2341x_ctrl_new_custom(hdl, V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS, + 0, 1, 1, 0); + + if (hdl->error) { + int err = hdl->error; + + v4l2_ctrl_handler_free(hdl); + return err; + } + + v4l2_ctrl_cluster(8, &cxhdl->audio_sampling_freq); + v4l2_ctrl_cluster(2, &cxhdl->video_b_frames); + v4l2_ctrl_cluster(5, &cxhdl->stream_type); + v4l2_ctrl_cluster(2, &cxhdl->video_mute); + v4l2_ctrl_cluster(3, &cxhdl->video_spatial_filter_mode); + v4l2_ctrl_cluster(2, &cxhdl->video_luma_spatial_filter_type); + v4l2_ctrl_cluster(2, &cxhdl->video_spatial_filter); + v4l2_ctrl_cluster(4, &cxhdl->video_luma_median_filter_top); + + return 0; +} +EXPORT_SYMBOL(cx2341x_handler_init); + +void cx2341x_handler_set_50hz(struct cx2341x_handler *cxhdl, int is_50hz) +{ + cxhdl->is_50hz = is_50hz; + cxhdl->video_gop_size->default_value = cxhdl->is_50hz ? 12 : 15; +} +EXPORT_SYMBOL(cx2341x_handler_set_50hz); + +int cx2341x_handler_setup(struct cx2341x_handler *cxhdl) +{ + int h = cxhdl->height; + int w = cxhdl->width; + int err; + + err = cx2341x_hdl_api(cxhdl, CX2341X_ENC_SET_OUTPUT_PORT, 2, cxhdl->port, 0); + if (err) + return err; + err = cx2341x_hdl_api(cxhdl, CX2341X_ENC_SET_FRAME_RATE, 1, cxhdl->is_50hz); + if (err) + return err; + + if (v4l2_ctrl_g_ctrl(cxhdl->video_encoding) == V4L2_MPEG_VIDEO_ENCODING_MPEG_1) { + w /= 2; + h /= 2; + } + err = cx2341x_hdl_api(cxhdl, CX2341X_ENC_SET_FRAME_SIZE, 2, h, w); + if (err) + return err; + return v4l2_ctrl_handler_setup(&cxhdl->hdl); +} +EXPORT_SYMBOL(cx2341x_handler_setup); + +void cx2341x_handler_set_busy(struct cx2341x_handler *cxhdl, int busy) +{ + v4l2_ctrl_grab(cxhdl->audio_sampling_freq, busy); + v4l2_ctrl_grab(cxhdl->audio_encoding, busy); + v4l2_ctrl_grab(cxhdl->audio_l2_bitrate, busy); + v4l2_ctrl_grab(cxhdl->audio_ac3_bitrate, busy); + v4l2_ctrl_grab(cxhdl->stream_vbi_fmt, busy); + v4l2_ctrl_grab(cxhdl->stream_type, busy); + v4l2_ctrl_grab(cxhdl->video_bitrate_mode, busy); + v4l2_ctrl_grab(cxhdl->video_bitrate, busy); + v4l2_ctrl_grab(cxhdl->video_bitrate_peak, busy); +} +EXPORT_SYMBOL(cx2341x_handler_set_busy); diff --git a/drivers/media/video/cx23885/Kconfig b/drivers/media/video/cx23885/Kconfig index bcdda9a..768f000 100644 --- a/drivers/media/video/cx23885/Kconfig +++ b/drivers/media/video/cx23885/Kconfig @@ -5,7 +5,7 @@ config VIDEO_CX23885 select VIDEO_BTCX select VIDEO_TUNER select VIDEO_TVEEPROM - select VIDEO_IR + select IR_CORE select VIDEOBUF_DVB select VIDEOBUF_DMA_SG select VIDEO_CX25840 diff --git a/drivers/media/video/cx23885/Makefile b/drivers/media/video/cx23885/Makefile index 5787ae2..e2ee95f 100644 --- a/drivers/media/video/cx23885/Makefile +++ b/drivers/media/video/cx23885/Makefile @@ -1,7 +1,8 @@ cx23885-objs := cx23885-cards.o cx23885-video.o cx23885-vbi.o \ cx23885-core.o cx23885-i2c.o cx23885-dvb.o cx23885-417.o \ - cx23885-ioctl.o cx23885-ir.o cx23885-input.o cx23888-ir.o \ - netup-init.o cimax2.o netup-eeprom.o cx23885-f300.o + cx23885-ioctl.o cx23885-ir.o cx23885-av.o cx23885-input.o \ + cx23888-ir.o netup-init.o cimax2.o netup-eeprom.o \ + cx23885-f300.o obj-$(CONFIG_VIDEO_CX23885) += cx23885.o diff --git a/drivers/media/video/cx23885/cx23885-av.c b/drivers/media/video/cx23885/cx23885-av.c new file mode 100644 index 0000000..134ebdd --- /dev/null +++ b/drivers/media/video/cx23885/cx23885-av.c @@ -0,0 +1,35 @@ +/* + * Driver for the Conexant CX23885/7/8 PCIe bridge + * + * AV device support routines - non-input, non-vl42_subdev routines + * + * Copyright (C) 2010 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#include "cx23885.h" + +void cx23885_av_work_handler(struct work_struct *work) +{ + struct cx23885_dev *dev = + container_of(work, struct cx23885_dev, cx25840_work); + bool handled; + + v4l2_subdev_call(dev->sd_cx25840, core, interrupt_service_routine, + PCI_MSK_AV_CORE, &handled); + cx23885_irq_enable(dev, PCI_MSK_AV_CORE); +} diff --git a/drivers/media/video/cx23885/cx23885-av.h b/drivers/media/video/cx23885/cx23885-av.h new file mode 100644 index 0000000..d2915c3 --- /dev/null +++ b/drivers/media/video/cx23885/cx23885-av.h @@ -0,0 +1,27 @@ +/* + * Driver for the Conexant CX23885/7/8 PCIe bridge + * + * AV device support routines - non-input, non-vl42_subdev routines + * + * Copyright (C) 2010 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#ifndef _CX23885_AV_H_ +#define _CX23885_AV_H_ +void cx23885_av_work_handler(struct work_struct *work); +#endif diff --git a/drivers/media/video/cx23885/cx23885-cards.c b/drivers/media/video/cx23885/cx23885-cards.c index 2014dae..e76ce87 100644 --- a/drivers/media/video/cx23885/cx23885-cards.c +++ b/drivers/media/video/cx23885/cx23885-cards.c @@ -30,6 +30,16 @@ #include "netup-init.h" #include "cx23888-ir.h" +static unsigned int enable_885_ir; +module_param(enable_885_ir, int, 0644); +MODULE_PARM_DESC(enable_885_ir, + "Enable integrated IR controller for supported\n" + "\t\t CX2388[57] boards that are wired for it:\n" + "\t\t\tHVR-1250 (reported safe)\n" + "\t\t\tTeVii S470 (reported unsafe)\n" + "\t\t This can cause an interrupt storm with some cards.\n" + "\t\t Default: 0 [Disabled]"); + /* ------------------------------------------------------------------ */ /* board config info */ @@ -626,6 +636,9 @@ static void hauppauge_eeprom(struct cx23885_dev *dev, u8 *eeprom_data) case 79101: /* WinTV-HVR1250 (PCIe, Retail, IR, half height, ATSC and Basic analog */ + case 79501: + /* WinTV-HVR1250 (PCIe, No IR, half height, + ATSC [at least] and Basic analog) */ case 79561: /* WinTV-HVR1250 (PCIe, OEM, No IR, half height, ATSC and Basic analog */ @@ -959,9 +972,37 @@ void cx23885_gpio_setup(struct cx23885_dev *dev) int cx23885_ir_init(struct cx23885_dev *dev) { + static struct v4l2_subdev_io_pin_config ir_rxtx_pin_cfg[] = { + { + .flags = V4L2_SUBDEV_IO_PIN_INPUT, + .pin = CX23885_PIN_IR_RX_GPIO19, + .function = CX23885_PAD_IR_RX, + .value = 0, + .strength = CX25840_PIN_DRIVE_MEDIUM, + }, { + .flags = V4L2_SUBDEV_IO_PIN_OUTPUT, + .pin = CX23885_PIN_IR_TX_GPIO20, + .function = CX23885_PAD_IR_TX, + .value = 0, + .strength = CX25840_PIN_DRIVE_MEDIUM, + } + }; + const size_t ir_rxtx_pin_cfg_count = ARRAY_SIZE(ir_rxtx_pin_cfg); + + static struct v4l2_subdev_io_pin_config ir_rx_pin_cfg[] = { + { + .flags = V4L2_SUBDEV_IO_PIN_INPUT, + .pin = CX23885_PIN_IR_RX_GPIO19, + .function = CX23885_PAD_IR_RX, + .value = 0, + .strength = CX25840_PIN_DRIVE_MEDIUM, + } + }; + const size_t ir_rx_pin_cfg_count = ARRAY_SIZE(ir_rx_pin_cfg); + + struct v4l2_subdev_ir_parameters params; int ret = 0; switch (dev->board) { - case CX23885_BOARD_HAUPPAUGE_HVR1250: case CX23885_BOARD_HAUPPAUGE_HVR1500: case CX23885_BOARD_HAUPPAUGE_HVR1500Q: case CX23885_BOARD_HAUPPAUGE_HVR1800: @@ -979,7 +1020,41 @@ int cx23885_ir_init(struct cx23885_dev *dev) if (ret) break; dev->sd_ir = cx23885_find_hw(dev, CX23885_HW_888_IR); - dev->pci_irqmask |= PCI_MSK_IR; + v4l2_subdev_call(dev->sd_cx25840, core, s_io_pin_config, + ir_rxtx_pin_cfg_count, ir_rxtx_pin_cfg); + /* + * For these boards we need to invert the Tx output via the + * IR controller to have the LED off while idle + */ + v4l2_subdev_call(dev->sd_ir, ir, tx_g_parameters, ¶ms); + params.enable = false; + params.shutdown = false; + params.invert_level = true; + v4l2_subdev_call(dev->sd_ir, ir, tx_s_parameters, ¶ms); + params.shutdown = true; + v4l2_subdev_call(dev->sd_ir, ir, tx_s_parameters, ¶ms); + break; + case CX23885_BOARD_TEVII_S470: + if (!enable_885_ir) + break; + dev->sd_ir = cx23885_find_hw(dev, CX23885_HW_AV_CORE); + if (dev->sd_ir == NULL) { + ret = -ENODEV; + break; + } + v4l2_subdev_call(dev->sd_cx25840, core, s_io_pin_config, + ir_rx_pin_cfg_count, ir_rx_pin_cfg); + break; + case CX23885_BOARD_HAUPPAUGE_HVR1250: + if (!enable_885_ir) + break; + dev->sd_ir = cx23885_find_hw(dev, CX23885_HW_AV_CORE); + if (dev->sd_ir == NULL) { + ret = -ENODEV; + break; + } + v4l2_subdev_call(dev->sd_cx25840, core, s_io_pin_config, + ir_rxtx_pin_cfg_count, ir_rxtx_pin_cfg); break; case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP: request_module("ir-kbd-i2c"); @@ -994,11 +1069,16 @@ void cx23885_ir_fini(struct cx23885_dev *dev) switch (dev->board) { case CX23885_BOARD_HAUPPAUGE_HVR1850: case CX23885_BOARD_HAUPPAUGE_HVR1290: - dev->pci_irqmask &= ~PCI_MSK_IR; - cx_clear(PCI_INT_MSK, PCI_MSK_IR); + cx23885_irq_remove(dev, PCI_MSK_IR); cx23888_ir_remove(dev); dev->sd_ir = NULL; break; + case CX23885_BOARD_TEVII_S470: + case CX23885_BOARD_HAUPPAUGE_HVR1250: + cx23885_irq_remove(dev, PCI_MSK_AV_CORE); + /* sd_ir is a duplicate pointer to the AV Core, just clear it */ + dev->sd_ir = NULL; + break; } } @@ -1007,8 +1087,13 @@ void cx23885_ir_pci_int_enable(struct cx23885_dev *dev) switch (dev->board) { case CX23885_BOARD_HAUPPAUGE_HVR1850: case CX23885_BOARD_HAUPPAUGE_HVR1290: - if (dev->sd_ir && (dev->pci_irqmask & PCI_MSK_IR)) - cx_set(PCI_INT_MSK, PCI_MSK_IR); + if (dev->sd_ir) + cx23885_irq_add_enable(dev, PCI_MSK_IR); + break; + case CX23885_BOARD_TEVII_S470: + case CX23885_BOARD_HAUPPAUGE_HVR1250: + if (dev->sd_ir) + cx23885_irq_add_enable(dev, PCI_MSK_AV_CORE); break; } } @@ -1028,6 +1113,13 @@ void cx23885_card_setup(struct cx23885_dev *dev) switch (dev->board) { case CX23885_BOARD_HAUPPAUGE_HVR1250: + if (dev->i2c_bus[0].i2c_rc == 0) { + if (eeprom[0x80] != 0x84) + hauppauge_eeprom(dev, eeprom+0xc0); + else + hauppauge_eeprom(dev, eeprom+0x80); + } + break; case CX23885_BOARD_HAUPPAUGE_HVR1500: case CX23885_BOARD_HAUPPAUGE_HVR1500Q: case CX23885_BOARD_HAUPPAUGE_HVR1400: @@ -1136,6 +1228,11 @@ void cx23885_card_setup(struct cx23885_dev *dev) * loaded, ensure this happens. */ switch (dev->board) { + case CX23885_BOARD_TEVII_S470: + case CX23885_BOARD_HAUPPAUGE_HVR1250: + /* Currently only enabled for the integrated IR controller */ + if (!enable_885_ir) + break; case CX23885_BOARD_HAUPPAUGE_HVR1800: case CX23885_BOARD_HAUPPAUGE_HVR1800lp: case CX23885_BOARD_HAUPPAUGE_HVR1700: @@ -1151,7 +1248,10 @@ void cx23885_card_setup(struct cx23885_dev *dev) dev->sd_cx25840 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_bus[2].i2c_adap, "cx25840", "cx25840", 0x88 >> 1, NULL); - v4l2_subdev_call(dev->sd_cx25840, core, load_fw); + if (dev->sd_cx25840) { + dev->sd_cx25840->grp_id = CX23885_HW_AV_CORE; + v4l2_subdev_call(dev->sd_cx25840, core, load_fw); + } break; } diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c index ff76f64..f6b62e7 100644 --- a/drivers/media/video/cx23885/cx23885-core.c +++ b/drivers/media/video/cx23885/cx23885-core.c @@ -34,6 +34,7 @@ #include "cimax2.h" #include "cx23888-ir.h" #include "cx23885-ir.h" +#include "cx23885-av.h" #include "cx23885-input.h" MODULE_DESCRIPTION("Driver for cx23885 based TV cards"); @@ -299,6 +300,83 @@ static struct sram_channel cx23887_sram_channels[] = { }, }; +void cx23885_irq_add(struct cx23885_dev *dev, u32 mask) +{ + unsigned long flags; + spin_lock_irqsave(&dev->pci_irqmask_lock, flags); + + dev->pci_irqmask |= mask; + + spin_unlock_irqrestore(&dev->pci_irqmask_lock, flags); +} + +void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask) +{ + unsigned long flags; + spin_lock_irqsave(&dev->pci_irqmask_lock, flags); + + dev->pci_irqmask |= mask; + cx_set(PCI_INT_MSK, mask); + + spin_unlock_irqrestore(&dev->pci_irqmask_lock, flags); +} + +void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask) +{ + u32 v; + unsigned long flags; + spin_lock_irqsave(&dev->pci_irqmask_lock, flags); + + v = mask & dev->pci_irqmask; + if (v) + cx_set(PCI_INT_MSK, v); + + spin_unlock_irqrestore(&dev->pci_irqmask_lock, flags); +} + +static inline void cx23885_irq_enable_all(struct cx23885_dev *dev) +{ + cx23885_irq_enable(dev, 0xffffffff); +} + +void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask) +{ + unsigned long flags; + spin_lock_irqsave(&dev->pci_irqmask_lock, flags); + + cx_clear(PCI_INT_MSK, mask); + + spin_unlock_irqrestore(&dev->pci_irqmask_lock, flags); +} + +static inline void cx23885_irq_disable_all(struct cx23885_dev *dev) +{ + cx23885_irq_disable(dev, 0xffffffff); +} + +void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask) +{ + unsigned long flags; + spin_lock_irqsave(&dev->pci_irqmask_lock, flags); + + dev->pci_irqmask &= ~mask; + cx_clear(PCI_INT_MSK, mask); + + spin_unlock_irqrestore(&dev->pci_irqmask_lock, flags); +} + +static u32 cx23885_irq_get_mask(struct cx23885_dev *dev) +{ + u32 v; + unsigned long flags; + spin_lock_irqsave(&dev->pci_irqmask_lock, flags); + + v = cx_read(PCI_INT_MSK); + + spin_unlock_irqrestore(&dev->pci_irqmask_lock, flags); + return v; +} + static int cx23885_risc_decode(u32 risc) { static char *instr[16] = { @@ -548,7 +626,7 @@ static void cx23885_shutdown(struct cx23885_dev *dev) cx_write(UART_CTL, 0); /* Disable Interrupts */ - cx_write(PCI_INT_MSK, 0); + cx23885_irq_disable_all(dev); cx_write(VID_A_INT_MSK, 0); cx_write(VID_B_INT_MSK, 0); cx_write(VID_C_INT_MSK, 0); @@ -774,6 +852,8 @@ static int cx23885_dev_setup(struct cx23885_dev *dev) { int i; + spin_lock_init(&dev->pci_irqmask_lock); + mutex_init(&dev->lock); mutex_init(&dev->gpio_lock); @@ -820,9 +900,9 @@ static int cx23885_dev_setup(struct cx23885_dev *dev) dev->pci_bus = dev->pci->bus->number; dev->pci_slot = PCI_SLOT(dev->pci->devfn); - dev->pci_irqmask = 0x001f00; + cx23885_irq_add(dev, 0x001f00); if (cx23885_boards[dev->board].cimax > 0) - dev->pci_irqmask |= 0x01800000; /* for CiMaxes */ + cx23885_irq_add(dev, 0x01800000); /* for CiMaxes */ /* External Master 1 Bus */ dev->i2c_bus[0].nr = 0; @@ -1156,7 +1236,7 @@ static void cx23885_tsport_reg_dump(struct cx23885_tsport *port) dprintk(1, "%s() DEV_CNTRL2 0x%08X\n", __func__, cx_read(DEV_CNTRL2)); dprintk(1, "%s() PCI_INT_MSK 0x%08X\n", __func__, - cx_read(PCI_INT_MSK)); + cx23885_irq_get_mask(dev)); dprintk(1, "%s() AUD_INT_INT_MSK 0x%08X\n", __func__, cx_read(AUDIO_INT_INT_MSK)); dprintk(1, "%s() AUD_INT_DMA_CTL 0x%08X\n", __func__, @@ -1292,7 +1372,8 @@ static int cx23885_start_dma(struct cx23885_tsport *port, dprintk(1, "%s() enabling TS int's and DMA\n", __func__); cx_set(port->reg_ts_int_msk, port->ts_int_msk_val); cx_set(port->reg_dma_ctl, port->dma_ctl_val); - cx_set(PCI_INT_MSK, dev->pci_irqmask | port->pci_irqmask); + cx23885_irq_add(dev, port->pci_irqmask); + cx23885_irq_enable_all(dev); break; default: BUG(); @@ -1650,10 +1731,10 @@ static irqreturn_t cx23885_irq(int irq, void *dev_id) u32 ts1_status, ts1_mask; u32 ts2_status, ts2_mask; int vida_count = 0, ts1_count = 0, ts2_count = 0, handled = 0; - bool ir_handled = false; + bool subdev_handled; pci_status = cx_read(PCI_INT_STAT); - pci_mask = cx_read(PCI_INT_MSK); + pci_mask = cx23885_irq_get_mask(dev); vida_status = cx_read(VID_A_INT_STAT); vida_mask = cx_read(VID_A_INT_MSK); ts1_status = cx_read(VID_B_INT_STAT); @@ -1681,7 +1762,7 @@ static irqreturn_t cx23885_irq(int irq, void *dev_id) PCI_MSK_VID_C | PCI_MSK_VID_B | PCI_MSK_VID_A | PCI_MSK_AUD_INT | PCI_MSK_AUD_EXT | PCI_MSK_GPIO0 | PCI_MSK_GPIO1 | - PCI_MSK_IR)) { + PCI_MSK_AV_CORE | PCI_MSK_IR)) { if (pci_status & PCI_MSK_RISC_RD) dprintk(7, " (PCI_MSK_RISC_RD 0x%08x)\n", @@ -1731,6 +1812,10 @@ static irqreturn_t cx23885_irq(int irq, void *dev_id) dprintk(7, " (PCI_MSK_GPIO1 0x%08x)\n", PCI_MSK_GPIO1); + if (pci_status & PCI_MSK_AV_CORE) + dprintk(7, " (PCI_MSK_AV_CORE 0x%08x)\n", + PCI_MSK_AV_CORE); + if (pci_status & PCI_MSK_IR) dprintk(7, " (PCI_MSK_IR 0x%08x)\n", PCI_MSK_IR); @@ -1765,12 +1850,22 @@ static irqreturn_t cx23885_irq(int irq, void *dev_id) handled += cx23885_video_irq(dev, vida_status); if (pci_status & PCI_MSK_IR) { - v4l2_subdev_call(dev->sd_ir, ir, interrupt_service_routine, - pci_status, &ir_handled); - if (ir_handled) + subdev_handled = false; + v4l2_subdev_call(dev->sd_ir, core, interrupt_service_routine, + pci_status, &subdev_handled); + if (subdev_handled) handled++; } + if ((pci_status & pci_mask) & PCI_MSK_AV_CORE) { + cx23885_irq_disable(dev, PCI_MSK_AV_CORE); + if (!schedule_work(&dev->cx25840_work)) + printk(KERN_ERR "%s: failed to set up deferred work for" + " AV Core/IR interrupt. Interrupt is disabled" + " and won't be re-enabled\n", dev->name); + handled++; + } + if (handled) cx_write(PCI_INT_STAT, pci_status); out: @@ -1788,11 +1883,11 @@ static void cx23885_v4l2_dev_notify(struct v4l2_subdev *sd, dev = to_cx23885(sd->v4l2_dev); switch (notification) { - case V4L2_SUBDEV_IR_RX_NOTIFY: /* Called in an IRQ context */ + case V4L2_SUBDEV_IR_RX_NOTIFY: /* Possibly called in an IRQ context */ if (sd == dev->sd_ir) cx23885_ir_rx_v4l2_dev_notify(sd, *(u32 *)arg); break; - case V4L2_SUBDEV_IR_TX_NOTIFY: /* Called in an IRQ context */ + case V4L2_SUBDEV_IR_TX_NOTIFY: /* Possibly called in an IRQ context */ if (sd == dev->sd_ir) cx23885_ir_tx_v4l2_dev_notify(sd, *(u32 *)arg); break; @@ -1801,6 +1896,7 @@ static void cx23885_v4l2_dev_notify(struct v4l2_subdev *sd, static void cx23885_v4l2_dev_notify_init(struct cx23885_dev *dev) { + INIT_WORK(&dev->cx25840_work, cx23885_av_work_handler); INIT_WORK(&dev->ir_rx_work, cx23885_ir_rx_work_handler); INIT_WORK(&dev->ir_tx_work, cx23885_ir_tx_work_handler); dev->v4l2_dev.notify = cx23885_v4l2_dev_notify; @@ -1967,7 +2063,7 @@ static int __devinit cx23885_initdev(struct pci_dev *pci_dev, switch (dev->board) { case CX23885_BOARD_NETUP_DUAL_DVBS2_CI: - cx_set(PCI_INT_MSK, 0x01800000); /* for NetUP */ + cx23885_irq_add_enable(dev, 0x01800000); /* for NetUP */ break; } diff --git a/drivers/media/video/cx23885/cx23885-i2c.c b/drivers/media/video/cx23885/cx23885-i2c.c index d4746e0..1a39148 100644 --- a/drivers/media/video/cx23885/cx23885-i2c.c +++ b/drivers/media/video/cx23885/cx23885-i2c.c @@ -99,7 +99,7 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap, if (!i2c_wait_done(i2c_adap)) return -EIO; if (!i2c_slave_did_ack(i2c_adap)) - return -EIO; + return -ENXIO; dprintk(1, "%s() returns 0\n", __func__); return 0; @@ -120,11 +120,12 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap, cx_write(bus->reg_wdata, wdata); cx_write(bus->reg_ctrl, ctrl); - retval = i2c_wait_done(i2c_adap); - if (retval < 0) - goto err; - if (retval == 0) + if (!i2c_wait_done(i2c_adap)) goto eio; + if (!i2c_slave_did_ack(i2c_adap)) { + retval = -ENXIO; + goto err; + } if (i2c_debug) { printk(" <W %02x %02x", msg->addr << 1, msg->buf[0]); if (!(ctrl & I2C_NOSTOP)) @@ -145,10 +146,7 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap, cx_write(bus->reg_wdata, wdata); cx_write(bus->reg_ctrl, ctrl); - retval = i2c_wait_done(i2c_adap); - if (retval < 0) - goto err; - if (retval == 0) + if (!i2c_wait_done(i2c_adap)) goto eio; if (i2c_debug) { dprintk(1, " %02x", msg->buf[cnt]); @@ -185,7 +183,7 @@ static int i2c_readbytes(struct i2c_adapter *i2c_adap, if (!i2c_wait_done(i2c_adap)) return -EIO; if (!i2c_slave_did_ack(i2c_adap)) - return -EIO; + return -ENXIO; dprintk(1, "%s() returns 0\n", __func__); @@ -209,11 +207,12 @@ static int i2c_readbytes(struct i2c_adapter *i2c_adap, cx_write(bus->reg_addr, msg->addr << 25); cx_write(bus->reg_ctrl, ctrl); - retval = i2c_wait_done(i2c_adap); - if (retval < 0) - goto err; - if (retval == 0) + if (!i2c_wait_done(i2c_adap)) goto eio; + if (cnt == 0 && !i2c_slave_did_ack(i2c_adap)) { + retval = -ENXIO; + goto err; + } msg->buf[cnt] = cx_read(bus->reg_rdata) & 0xff; if (i2c_debug) { dprintk(1, " %02x", msg->buf[cnt]); diff --git a/drivers/media/video/cx23885/cx23885-input.c b/drivers/media/video/cx23885/cx23885-input.c index d0b1613..bb61870 100644 --- a/drivers/media/video/cx23885/cx23885-input.c +++ b/drivers/media/video/cx23885/cx23885-input.c @@ -44,40 +44,26 @@ #define MODULE_NAME "cx23885" -static void convert_measurement(u32 x, struct ir_raw_event *y) -{ - if (x == V4L2_SUBDEV_IR_PULSE_RX_SEQ_END) { - y->pulse = false; - y->duration = V4L2_SUBDEV_IR_PULSE_MAX_WIDTH_NS; - return; - } - - y->pulse = (x & V4L2_SUBDEV_IR_PULSE_LEVEL_MASK) ? true : false; - y->duration = x & V4L2_SUBDEV_IR_PULSE_MAX_WIDTH_NS; -} - static void cx23885_input_process_measurements(struct cx23885_dev *dev, bool overrun) { struct cx23885_kernel_ir *kernel_ir = dev->kernel_ir; - struct ir_raw_event kernel_ir_event; - u32 sd_ir_data[64]; ssize_t num; int count, i; bool handle = false; + struct ir_raw_event ir_core_event[64]; do { num = 0; - v4l2_subdev_call(dev->sd_ir, ir, rx_read, (u8 *) sd_ir_data, - sizeof(sd_ir_data), &num); + v4l2_subdev_call(dev->sd_ir, ir, rx_read, (u8 *) ir_core_event, + sizeof(ir_core_event), &num); - count = num / sizeof(u32); + count = num / sizeof(struct ir_raw_event); for (i = 0; i < count; i++) { - convert_measurement(sd_ir_data[i], &kernel_ir_event); ir_raw_event_store(kernel_ir->inp_dev, - &kernel_ir_event); + &ir_core_event[i]); handle = true; } } while (num != 0); @@ -99,8 +85,10 @@ void cx23885_input_rx_work_handler(struct cx23885_dev *dev, u32 events) switch (dev->board) { case CX23885_BOARD_HAUPPAUGE_HVR1850: case CX23885_BOARD_HAUPPAUGE_HVR1290: + case CX23885_BOARD_TEVII_S470: + case CX23885_BOARD_HAUPPAUGE_HVR1250: /* - * The only board we handle right now. However other boards + * The only boards we handle right now. However other boards * using the CX2388x integrated IR controller should be similar */ break; @@ -148,6 +136,7 @@ static int cx23885_input_ir_start(struct cx23885_dev *dev) switch (dev->board) { case CX23885_BOARD_HAUPPAUGE_HVR1850: case CX23885_BOARD_HAUPPAUGE_HVR1290: + case CX23885_BOARD_HAUPPAUGE_HVR1250: /* * The IR controller on this board only returns pulse widths. * Any other mode setting will fail to set up the device. @@ -170,7 +159,38 @@ static int cx23885_input_ir_start(struct cx23885_dev *dev) * mark is received as low logic level; * falling edges are detected as rising edges; etc. */ - params.invert = true; + params.invert_level = true; + break; + case CX23885_BOARD_TEVII_S470: + /* + * The IR controller on this board only returns pulse widths. + * Any other mode setting will fail to set up the device. + */ + params.mode = V4L2_SUBDEV_IR_MODE_PULSE_WIDTH; + params.enable = true; + params.interrupt_enable = true; + params.shutdown = false; + + /* Setup for a standard NEC protocol */ + params.carrier_freq = 37917; /* Hz, 455 kHz/12 for NEC */ + params.carrier_range_lower = 33000; /* Hz */ + params.carrier_range_upper = 43000; /* Hz */ + params.duty_cycle = 33; /* percent, 33 percent for NEC */ + + /* + * NEC max pulse width: (64/3)/(455 kHz/12) * 16 nec_units + * (64/3)/(455 kHz/12) * 16 nec_units * 1.375 = 12378022 ns + */ + params.max_pulse_width = 12378022; /* ns */ + + /* + * NEC noise filter min width: (64/3)/(455 kHz/12) * 1 nec_unit + * (64/3)/(455 kHz/12) * 1 nec_units * 0.625 = 351648 ns + */ + params.noise_filter_min_width = 351648; /* ns */ + + params.modulation = false; + params.invert_level = true; break; } v4l2_subdev_call(dev->sd_ir, ir, rx_s_parameters, ¶ms); @@ -244,12 +264,20 @@ int cx23885_input_init(struct cx23885_dev *dev) switch (dev->board) { case CX23885_BOARD_HAUPPAUGE_HVR1850: case CX23885_BOARD_HAUPPAUGE_HVR1290: - /* Integrated CX23888 IR controller */ + case CX23885_BOARD_HAUPPAUGE_HVR1250: + /* Integrated CX2388[58] IR controller */ driver_type = RC_DRIVER_IR_RAW; allowed_protos = IR_TYPE_ALL; /* The grey Hauppauge RC-5 remote */ rc_map = RC_MAP_RC5_HAUPPAUGE_NEW; break; + case CX23885_BOARD_TEVII_S470: + /* Integrated CX23885 IR controller */ + driver_type = RC_DRIVER_IR_RAW; + allowed_protos = IR_TYPE_ALL; + /* A guess at the remote */ + rc_map = RC_MAP_TEVII_NEC; + break; default: return -ENODEV; } diff --git a/drivers/media/video/cx23885/cx23885-ir.c b/drivers/media/video/cx23885/cx23885-ir.c index 6ceabd4..7125247 100644 --- a/drivers/media/video/cx23885/cx23885-ir.c +++ b/drivers/media/video/cx23885/cx23885-ir.c @@ -72,7 +72,7 @@ void cx23885_ir_tx_work_handler(struct work_struct *work) } -/* Called in an IRQ context */ +/* Possibly called in an IRQ context */ void cx23885_ir_rx_v4l2_dev_notify(struct v4l2_subdev *sd, u32 events) { struct cx23885_dev *dev = to_cx23885(sd->v4l2_dev); @@ -86,10 +86,18 @@ void cx23885_ir_rx_v4l2_dev_notify(struct v4l2_subdev *sd, u32 events) set_bit(CX23885_IR_RX_HW_FIFO_OVERRUN, notifications); if (events & V4L2_SUBDEV_IR_RX_SW_FIFO_OVERRUN) set_bit(CX23885_IR_RX_SW_FIFO_OVERRUN, notifications); - schedule_work(&dev->ir_rx_work); + + /* + * For the integrated AV core, we are already in a workqueue context. + * For the CX23888 integrated IR, we are in an interrupt context. + */ + if (sd == dev->sd_cx25840) + cx23885_ir_rx_work_handler(&dev->ir_rx_work); + else + schedule_work(&dev->ir_rx_work); } -/* Called in an IRQ context */ +/* Possibly called in an IRQ context */ void cx23885_ir_tx_v4l2_dev_notify(struct v4l2_subdev *sd, u32 events) { struct cx23885_dev *dev = to_cx23885(sd->v4l2_dev); @@ -97,5 +105,13 @@ void cx23885_ir_tx_v4l2_dev_notify(struct v4l2_subdev *sd, u32 events) if (events & V4L2_SUBDEV_IR_TX_FIFO_SERVICE_REQ) set_bit(CX23885_IR_TX_FIFO_SERVICE_REQ, notifications); - schedule_work(&dev->ir_tx_work); + + /* + * For the integrated AV core, we are already in a workqueue context. + * For the CX23888 integrated IR, we are in an interrupt context. + */ + if (sd == dev->sd_cx25840) + cx23885_ir_tx_work_handler(&dev->ir_tx_work); + else + schedule_work(&dev->ir_tx_work); } diff --git a/drivers/media/video/cx23885/cx23885-reg.h b/drivers/media/video/cx23885/cx23885-reg.h index c0bc9a0..a28772d 100644 --- a/drivers/media/video/cx23885/cx23885-reg.h +++ b/drivers/media/video/cx23885/cx23885-reg.h @@ -213,6 +213,7 @@ Channel manager Data Structure entry = 20 DWORD #define DEV_CNTRL2 0x00040000 #define PCI_MSK_IR (1 << 28) +#define PCI_MSK_AV_CORE (1 << 27) #define PCI_MSK_GPIO1 (1 << 24) #define PCI_MSK_GPIO0 (1 << 23) #define PCI_MSK_APB_DMA (1 << 12) diff --git a/drivers/media/video/cx23885/cx23885-vbi.c b/drivers/media/video/cx23885/cx23885-vbi.c index 708a8c7..c0b6038 100644 --- a/drivers/media/video/cx23885/cx23885-vbi.c +++ b/drivers/media/video/cx23885/cx23885-vbi.c @@ -74,7 +74,7 @@ static int cx23885_start_vbi_dma(struct cx23885_dev *dev, q->count = 1; /* enable irqs */ - cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | 0x01); + cx23885_irq_add_enable(dev, 0x01); cx_set(VID_A_INT_MSK, 0x000022); /* start dma */ diff --git a/drivers/media/video/cx23885/cx23885-video.c b/drivers/media/video/cx23885/cx23885-video.c index 4e44dcd..da66e5f 100644 --- a/drivers/media/video/cx23885/cx23885-video.c +++ b/drivers/media/video/cx23885/cx23885-video.c @@ -441,7 +441,7 @@ static int cx23885_start_video_dma(struct cx23885_dev *dev, q->count = 1; /* enable irq */ - cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | 0x01); + cx23885_irq_add_enable(dev, 0x01); cx_set(VID_A_INT_MSK, 0x000011); /* start dma */ @@ -1205,6 +1205,21 @@ static int vidioc_s_input(struct file *file, void *priv, unsigned int i) return 0; } +static int vidioc_log_status(struct file *file, void *priv) +{ + struct cx23885_fh *fh = priv; + struct cx23885_dev *dev = fh->dev; + + printk(KERN_INFO + "%s/0: ============ START LOG STATUS ============\n", + dev->name); + call_all(dev, core, log_status); + printk(KERN_INFO + "%s/0: ============= END LOG STATUS =============\n", + dev->name); + return 0; +} + static int vidioc_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *qctrl) { @@ -1410,6 +1425,7 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = { .vidioc_enum_input = vidioc_enum_input, .vidioc_g_input = vidioc_g_input, .vidioc_s_input = vidioc_s_input, + .vidioc_log_status = vidioc_log_status, .vidioc_queryctrl = vidioc_queryctrl, .vidioc_g_ctrl = vidioc_g_ctrl, .vidioc_s_ctrl = vidioc_s_ctrl, @@ -1449,7 +1465,7 @@ static const struct v4l2_file_operations radio_fops = { void cx23885_video_unregister(struct cx23885_dev *dev) { dprintk(1, "%s()\n", __func__); - cx_clear(PCI_INT_MSK, 1); + cx23885_irq_remove(dev, 0x01); if (dev->video_dev) { if (video_is_registered(dev->video_dev)) @@ -1486,7 +1502,8 @@ int cx23885_video_register(struct cx23885_dev *dev) VID_A_DMA_CTL, 0x11, 0x00); /* Don't enable VBI yet */ - cx_set(PCI_INT_MSK, 1); + + cx23885_irq_add_enable(dev, 0x01); if (TUNER_ABSENT != dev->tuner_type) { struct v4l2_subdev *sd = NULL; diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h index a33f2b7..ed94b17 100644 --- a/drivers/media/video/cx23885/cx23885.h +++ b/drivers/media/video/cx23885/cx23885.h @@ -325,6 +325,7 @@ struct cx23885_dev { u32 __iomem *lmmio; u8 __iomem *bmmio; int pci_irqmask; + spinlock_t pci_irqmask_lock; /* protects mask reg too */ int hwrevision; /* This valud is board specific and is used to configure the @@ -365,6 +366,7 @@ struct cx23885_dev { unsigned char radio_addr; unsigned int has_radio; struct v4l2_subdev *sd_cx25840; + struct work_struct cx25840_work; /* Infrared */ struct v4l2_subdev *sd_ir; @@ -403,7 +405,8 @@ static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev) #define call_all(dev, o, f, args...) \ v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args) -#define CX23885_HW_888_IR (1 << 0) +#define CX23885_HW_888_IR (1 << 0) +#define CX23885_HW_AV_CORE (1 << 1) #define call_hw(dev, grpid, o, f, args...) \ v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args) @@ -484,6 +487,10 @@ extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask); extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput); +extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask); +extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask); +extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask); +extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask); /* ----------------------------------------------------------- */ /* cx23885-cards.c */ diff --git a/drivers/media/video/cx23885/cx23888-ir.c b/drivers/media/video/cx23885/cx23888-ir.c index f63d378..2502a0a 100644 --- a/drivers/media/video/cx23885/cx23888-ir.c +++ b/drivers/media/video/cx23885/cx23888-ir.c @@ -26,6 +26,7 @@ #include <media/v4l2-device.h> #include <media/v4l2-chip-ident.h> +#include <media/ir-core.h> #include "cx23885.h" @@ -60,6 +61,8 @@ MODULE_PARM_DESC(ir_888_debug, "enable debug messages [CX23888 IR controller]"); #define CNTRL_CPL 0x00001000 #define CNTRL_LBM 0x00002000 #define CNTRL_R 0x00004000 +/* CX23888 specific control flag */ +#define CNTRL_IVO 0x00008000 #define CX23888_IR_TXCLK_REG 0x170004 #define TXCLK_TCD 0x0000FFFF @@ -111,8 +114,18 @@ MODULE_PARM_DESC(ir_888_debug, "enable debug messages [CX23888 IR controller]"); #define CX23888_VIDCLK_FREQ 108000000 /* 108 MHz, BT.656 */ #define CX23888_IR_REFCLK_FREQ (CX23888_VIDCLK_FREQ / 2) -#define CX23888_IR_RX_KFIFO_SIZE (512 * sizeof(u32)) -#define CX23888_IR_TX_KFIFO_SIZE (512 * sizeof(u32)) +/* + * We use this union internally for convenience, but callers to tx_write + * and rx_read will be expecting records of type struct ir_raw_event. + * Always ensure the size of this union is dictated by struct ir_raw_event. + */ +union cx23888_ir_fifo_rec { + u32 hw_fifo_data; + struct ir_raw_event ir_core_data; +}; + +#define CX23888_IR_RX_KFIFO_SIZE (256 * sizeof(union cx23888_ir_fifo_rec)) +#define CX23888_IR_TX_KFIFO_SIZE (256 * sizeof(union cx23888_ir_fifo_rec)) struct cx23888_ir_state { struct v4l2_subdev sd; @@ -423,6 +436,13 @@ static inline void control_tx_polarity_invert(struct cx23885_dev *dev, invert ? CNTRL_CPL : 0); } +static inline void control_tx_level_invert(struct cx23885_dev *dev, + bool invert) +{ + cx23888_ir_and_or4(dev, CX23888_IR_CNTRL_REG, ~CNTRL_IVO, + invert ? CNTRL_IVO : 0); +} + /* * IR Rx & Tx Clock Register helpers */ @@ -449,8 +469,8 @@ static u32 txclk_tx_s_max_pulse_width(struct cx23885_dev *dev, u32 ns, { u64 pulse_clocks; - if (ns > V4L2_SUBDEV_IR_PULSE_MAX_WIDTH_NS) - ns = V4L2_SUBDEV_IR_PULSE_MAX_WIDTH_NS; + if (ns > IR_MAX_DURATION) + ns = IR_MAX_DURATION; pulse_clocks = ns_to_pulse_clocks(ns); *divider = pulse_clocks_to_clock_divider(pulse_clocks); cx23888_ir_write4(dev, CX23888_IR_TXCLK_REG, *divider); @@ -462,8 +482,8 @@ static u32 rxclk_rx_s_max_pulse_width(struct cx23885_dev *dev, u32 ns, { u64 pulse_clocks; - if (ns > V4L2_SUBDEV_IR_PULSE_MAX_WIDTH_NS) - ns = V4L2_SUBDEV_IR_PULSE_MAX_WIDTH_NS; + if (ns > IR_MAX_DURATION) + ns = IR_MAX_DURATION; pulse_clocks = ns_to_pulse_clocks(ns); *divider = pulse_clocks_to_clock_divider(pulse_clocks); cx23888_ir_write4(dev, CX23888_IR_RXCLK_REG, *divider); @@ -526,8 +546,8 @@ static int cx23888_ir_irq_handler(struct v4l2_subdev *sd, u32 status, u32 irqen = cx23888_ir_read4(dev, CX23888_IR_IRQEN_REG); u32 stats = cx23888_ir_read4(dev, CX23888_IR_STATS_REG); - u32 rx_data[FIFO_RX_DEPTH]; - int i, j, k; + union cx23888_ir_fifo_rec rx_data[FIFO_RX_DEPTH]; + unsigned int i, j, k; u32 events, v; int tsr, rsr, rto, ror, tse, rse, rte, roe, kror; @@ -588,11 +608,12 @@ static int cx23888_ir_irq_handler(struct v4l2_subdev *sd, u32 status, for (j = 0; (v & FIFO_RX_NDV) && j < FIFO_RX_DEPTH; j++) { v = cx23888_ir_read4(dev, CX23888_IR_FIFO_REG); - rx_data[i++] = v & ~FIFO_RX_NDV; + rx_data[i].hw_fifo_data = v & ~FIFO_RX_NDV; + i++; } if (i == 0) break; - j = i * sizeof(u32); + j = i * sizeof(union cx23888_ir_fifo_rec); k = kfifo_in_locked(&state->rx_kfifo, (unsigned char *) rx_data, j, &state->rx_kfifo_lock); @@ -651,10 +672,11 @@ static int cx23888_ir_rx_read(struct v4l2_subdev *sd, u8 *buf, size_t count, u16 divider = (u16) atomic_read(&state->rxclk_divider); unsigned int i, n; - u32 *p; - u32 u, v; + union cx23888_ir_fifo_rec *p; + unsigned u, v; - n = count / sizeof(u32) * sizeof(u32); + n = count / sizeof(union cx23888_ir_fifo_rec) + * sizeof(union cx23888_ir_fifo_rec); if (n == 0) { *num = 0; return 0; @@ -662,26 +684,28 @@ static int cx23888_ir_rx_read(struct v4l2_subdev *sd, u8 *buf, size_t count, n = kfifo_out_locked(&state->rx_kfifo, buf, n, &state->rx_kfifo_lock); - n /= sizeof(u32); - *num = n * sizeof(u32); + n /= sizeof(union cx23888_ir_fifo_rec); + *num = n * sizeof(union cx23888_ir_fifo_rec); + + for (p = (union cx23888_ir_fifo_rec *) buf, i = 0; i < n; p++, i++) { - for (p = (u32 *) buf, i = 0; i < n; p++, i++) { - if ((*p & FIFO_RXTX_RTO) == FIFO_RXTX_RTO) { - *p = V4L2_SUBDEV_IR_PULSE_RX_SEQ_END; + if ((p->hw_fifo_data & FIFO_RXTX_RTO) == FIFO_RXTX_RTO) { + /* Assume RTO was because of no IR light input */ + u = 0; v4l2_dbg(2, ir_888_debug, sd, "rx read: end of rx\n"); - continue; + } else { + u = (p->hw_fifo_data & FIFO_RXTX_LVL) ? 1 : 0; + if (invert) + u = u ? 0 : 1; } - u = (*p & FIFO_RXTX_LVL) ? V4L2_SUBDEV_IR_PULSE_LEVEL_MASK : 0; - if (invert) - u = u ? 0 : V4L2_SUBDEV_IR_PULSE_LEVEL_MASK; + v = (unsigned) pulse_width_count_to_ns( + (u16) (p->hw_fifo_data & FIFO_RXTX), divider); + if (v > IR_MAX_DURATION) + v = IR_MAX_DURATION; - v = (u32) pulse_width_count_to_ns((u16) (*p & FIFO_RXTX), - divider); - if (v >= V4L2_SUBDEV_IR_PULSE_MAX_WIDTH_NS) - v = V4L2_SUBDEV_IR_PULSE_MAX_WIDTH_NS - 1; - - *p = u | v; + p->ir_core_data.pulse = u; + p->ir_core_data.duration = v; v4l2_dbg(2, ir_888_debug, sd, "rx read: %10u ns %s\n", v, u ? "mark" : "space"); @@ -740,7 +764,8 @@ static int cx23888_ir_rx_s_parameters(struct v4l2_subdev *sd, o->mode = p->mode = V4L2_SUBDEV_IR_MODE_PULSE_WIDTH; - o->bytes_per_data_element = p->bytes_per_data_element = sizeof(u32); + o->bytes_per_data_element = p->bytes_per_data_element + = sizeof(union cx23888_ir_fifo_rec); /* Before we tweak the hardware, we have to disable the receiver */ irqenable_rx(dev, 0); @@ -762,12 +787,15 @@ static int cx23888_ir_rx_s_parameters(struct v4l2_subdev *sd, &p->carrier_range_upper); o->carrier_range_lower = p->carrier_range_lower; o->carrier_range_upper = p->carrier_range_upper; + + p->max_pulse_width = + (u32) pulse_width_count_to_ns(FIFO_RXTX, rxclk_divider); } else { p->max_pulse_width = rxclk_rx_s_max_pulse_width(dev, p->max_pulse_width, &rxclk_divider); - o->max_pulse_width = p->max_pulse_width; } + o->max_pulse_width = p->max_pulse_width; atomic_set(&state->rxclk_divider, rxclk_divider); p->noise_filter_min_width = @@ -782,8 +810,8 @@ static int cx23888_ir_rx_s_parameters(struct v4l2_subdev *sd, control_rx_s_edge_detection(dev, CNTRL_EDG_BOTH); - o->invert = p->invert; - atomic_set(&state->rx_invert, p->invert); + o->invert_level = p->invert_level; + atomic_set(&state->rx_invert, p->invert_level); o->interrupt_enable = p->interrupt_enable; o->enable = p->enable; @@ -864,7 +892,8 @@ static int cx23888_ir_tx_s_parameters(struct v4l2_subdev *sd, o->mode = p->mode = V4L2_SUBDEV_IR_MODE_PULSE_WIDTH; - o->bytes_per_data_element = p->bytes_per_data_element = sizeof(u32); + o->bytes_per_data_element = p->bytes_per_data_element + = sizeof(union cx23888_ir_fifo_rec); /* Before we tweak the hardware, we have to disable the transmitter */ irqenable_tx(dev, 0); @@ -880,12 +909,15 @@ static int cx23888_ir_tx_s_parameters(struct v4l2_subdev *sd, p->duty_cycle = cduty_tx_s_duty_cycle(dev, p->duty_cycle); o->duty_cycle = p->duty_cycle; + + p->max_pulse_width = + (u32) pulse_width_count_to_ns(FIFO_RXTX, txclk_divider); } else { p->max_pulse_width = txclk_tx_s_max_pulse_width(dev, p->max_pulse_width, &txclk_divider); - o->max_pulse_width = p->max_pulse_width; } + o->max_pulse_width = p->max_pulse_width; atomic_set(&state->txclk_divider, txclk_divider); p->resolution = clock_divider_to_resolution(txclk_divider); @@ -894,8 +926,11 @@ static int cx23888_ir_tx_s_parameters(struct v4l2_subdev *sd, /* FIXME - make this dependent on resolution for better performance */ control_tx_irq_watermark(dev, TX_FIFO_HALF_EMPTY); - control_tx_polarity_invert(dev, p->invert); - o->invert = p->invert; + control_tx_polarity_invert(dev, p->invert_carrier_sense); + o->invert_carrier_sense = p->invert_carrier_sense; + + control_tx_level_invert(dev, p->invert_level); + o->invert_level = p->invert_level; o->interrupt_enable = p->interrupt_enable; o->enable = p->enable; @@ -988,12 +1023,10 @@ static int cx23888_ir_log_status(struct v4l2_subdev *sd) "-%1d/+%1d, %u to %u Hz\n", i, j, clock_divider_to_freq(rxclk, 16 + j), clock_divider_to_freq(rxclk, 16 - i)); - } else { - v4l2_info(sd, "\tMax measurable pulse width: %u us, " - "%llu ns\n", - pulse_width_count_to_us(FIFO_RXTX, rxclk), - pulse_width_count_to_ns(FIFO_RXTX, rxclk)); } + v4l2_info(sd, "\tMax measurable pulse width: %u us, %llu ns\n", + pulse_width_count_to_us(FIFO_RXTX, rxclk), + pulse_width_count_to_ns(FIFO_RXTX, rxclk)); v4l2_info(sd, "\tLow pass filter: %s\n", filtr ? "enabled" : "disabled"); if (filtr) @@ -1025,19 +1058,20 @@ static int cx23888_ir_log_status(struct v4l2_subdev *sd) cntrl & CNTRL_TFE ? "enabled" : "disabled"); v4l2_info(sd, "\tFIFO interrupt watermark: %s\n", cntrl & CNTRL_TIC ? "not empty" : "half full or less"); - v4l2_info(sd, "\tSignal polarity: %s\n", - cntrl & CNTRL_CPL ? "0:mark 1:space" : "0:space 1:mark"); + v4l2_info(sd, "\tOutput pin level inversion %s\n", + cntrl & CNTRL_IVO ? "yes" : "no"); + v4l2_info(sd, "\tCarrier polarity: %s\n", + cntrl & CNTRL_CPL ? "space:burst mark:noburst" + : "space:noburst mark:burst"); if (cntrl & CNTRL_MOD) { v4l2_info(sd, "\tCarrier (16 clocks): %u Hz\n", clock_divider_to_carrier_freq(txclk)); v4l2_info(sd, "\tCarrier duty cycle: %2u/16\n", cduty + 1); - } else { - v4l2_info(sd, "\tMax pulse width: %u us, " - "%llu ns\n", - pulse_width_count_to_us(FIFO_RXTX, txclk), - pulse_width_count_to_ns(FIFO_RXTX, txclk)); } + v4l2_info(sd, "\tMax pulse width: %u us, %llu ns\n", + pulse_width_count_to_us(FIFO_RXTX, txclk), + pulse_width_count_to_ns(FIFO_RXTX, txclk)); v4l2_info(sd, "\tBusy: %s\n", stats & STATS_TBY ? "yes" : "no"); v4l2_info(sd, "\tFIFO service requested: %s\n", @@ -1111,11 +1145,10 @@ static const struct v4l2_subdev_core_ops cx23888_ir_core_ops = { .g_register = cx23888_ir_g_register, .s_register = cx23888_ir_s_register, #endif + .interrupt_service_routine = cx23888_ir_irq_handler, }; static const struct v4l2_subdev_ir_ops cx23888_ir_ir_ops = { - .interrupt_service_routine = cx23888_ir_irq_handler, - .rx_read = cx23888_ir_rx_read, .rx_g_parameters = cx23888_ir_rx_g_parameters, .rx_s_parameters = cx23888_ir_rx_s_parameters, @@ -1131,7 +1164,7 @@ static const struct v4l2_subdev_ops cx23888_ir_controller_ops = { }; static const struct v4l2_subdev_ir_parameters default_rx_params = { - .bytes_per_data_element = sizeof(u32), + .bytes_per_data_element = sizeof(union cx23888_ir_fifo_rec), .mode = V4L2_SUBDEV_IR_MODE_PULSE_WIDTH, .enable = false, @@ -1146,11 +1179,11 @@ static const struct v4l2_subdev_ir_parameters default_rx_params = { .noise_filter_min_width = 333333, /* ns */ .carrier_range_lower = 35000, .carrier_range_upper = 37000, - .invert = false, + .invert_level = false, }; static const struct v4l2_subdev_ir_parameters default_tx_params = { - .bytes_per_data_element = sizeof(u32), + .bytes_per_data_element = sizeof(union cx23888_ir_fifo_rec), .mode = V4L2_SUBDEV_IR_MODE_PULSE_WIDTH, .enable = false, @@ -1160,7 +1193,8 @@ static const struct v4l2_subdev_ir_parameters default_tx_params = { .modulation = true, .carrier_freq = 36000, /* 36 kHz - RC-5 carrier */ .duty_cycle = 25, /* 25 % - RC-5 carrier */ - .invert = false, + .invert_level = false, + .invert_carrier_sense = false, }; int cx23888_ir_probe(struct cx23885_dev *dev) diff --git a/drivers/media/video/cx25840/Makefile b/drivers/media/video/cx25840/Makefile index 6e8665b..2ee96d3 100644 --- a/drivers/media/video/cx25840/Makefile +++ b/drivers/media/video/cx25840/Makefile @@ -1,5 +1,5 @@ cx25840-objs := cx25840-core.o cx25840-audio.o cx25840-firmware.o \ - cx25840-vbi.o + cx25840-vbi.o cx25840-ir.o obj-$(CONFIG_VIDEO_CX25840) += cx25840.o diff --git a/drivers/media/video/cx25840/cx25840-audio.c b/drivers/media/video/cx25840/cx25840-audio.c index 45608d5..6faad34 100644 --- a/drivers/media/video/cx25840/cx25840-audio.c +++ b/drivers/media/video/cx25840/cx25840-audio.c @@ -474,33 +474,10 @@ void cx25840_audio_set_path(struct i2c_client *client) cx25840_and_or(client, 0x803, ~0x10, 0x10); } -static int get_volume(struct i2c_client *client) -{ - struct cx25840_state *state = to_state(i2c_get_clientdata(client)); - int vol; - - if (state->unmute_volume >= 0) - return state->unmute_volume; - - /* Volume runs +18dB to -96dB in 1/2dB steps - * change to fit the msp3400 -114dB to +12dB range */ - - /* check PATH1_VOLUME */ - vol = 228 - cx25840_read(client, 0x8d4); - vol = (vol / 2) + 23; - return vol << 9; -} - static void set_volume(struct i2c_client *client, int volume) { - struct cx25840_state *state = to_state(i2c_get_clientdata(client)); int vol; - if (state->unmute_volume >= 0) { - state->unmute_volume = volume; - return; - } - /* Convert the volume to msp3400 values (0-127) */ vol = volume >> 9; @@ -517,52 +494,6 @@ static void set_volume(struct i2c_client *client, int volume) cx25840_write(client, 0x8d4, 228 - (vol * 2)); } -static int get_bass(struct i2c_client *client) -{ - /* bass is 49 steps +12dB to -12dB */ - - /* check PATH1_EQ_BASS_VOL */ - int bass = cx25840_read(client, 0x8d9) & 0x3f; - bass = (((48 - bass) * 0xffff) + 47) / 48; - return bass; -} - -static void set_bass(struct i2c_client *client, int bass) -{ - /* PATH1_EQ_BASS_VOL */ - cx25840_and_or(client, 0x8d9, ~0x3f, 48 - (bass * 48 / 0xffff)); -} - -static int get_treble(struct i2c_client *client) -{ - /* treble is 49 steps +12dB to -12dB */ - - /* check PATH1_EQ_TREBLE_VOL */ - int treble = cx25840_read(client, 0x8db) & 0x3f; - treble = (((48 - treble) * 0xffff) + 47) / 48; - return treble; -} - -static void set_treble(struct i2c_client *client, int treble) -{ - /* PATH1_EQ_TREBLE_VOL */ - cx25840_and_or(client, 0x8db, ~0x3f, 48 - (treble * 48 / 0xffff)); -} - -static int get_balance(struct i2c_client *client) -{ - /* balance is 7 bit, 0 to -96dB */ - - /* check PATH1_BAL_LEVEL */ - int balance = cx25840_read(client, 0x8d5) & 0x7f; - /* check PATH1_BAL_LEFT */ - if ((cx25840_read(client, 0x8d5) & 0x80) == 0) - balance = 0x80 - balance; - else - balance = 0x80 + balance; - return balance << 8; -} - static void set_balance(struct i2c_client *client, int balance) { int bal = balance >> 8; @@ -579,31 +510,6 @@ static void set_balance(struct i2c_client *client, int balance) } } -static int get_mute(struct i2c_client *client) -{ - struct cx25840_state *state = to_state(i2c_get_clientdata(client)); - - return state->unmute_volume >= 0; -} - -static void set_mute(struct i2c_client *client, int mute) -{ - struct cx25840_state *state = to_state(i2c_get_clientdata(client)); - - if (mute && state->unmute_volume == -1) { - int vol = get_volume(client); - - set_volume(client, 0); - state->unmute_volume = vol; - } - else if (!mute && state->unmute_volume != -1) { - int vol = state->unmute_volume; - - state->unmute_volume = -1; - set_volume(client, vol); - } -} - int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq) { struct i2c_client *client = v4l2_get_subdevdata(sd); @@ -624,25 +530,31 @@ int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq) return retval; } -int cx25840_audio_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) +static int cx25840_audio_s_ctrl(struct v4l2_ctrl *ctrl) { + struct v4l2_subdev *sd = to_sd(ctrl); + struct cx25840_state *state = to_state(sd); struct i2c_client *client = v4l2_get_subdevdata(sd); switch (ctrl->id) { case V4L2_CID_AUDIO_VOLUME: - ctrl->value = get_volume(client); + if (state->mute->val) + set_volume(client, 0); + else + set_volume(client, state->volume->val); break; case V4L2_CID_AUDIO_BASS: - ctrl->value = get_bass(client); + /* PATH1_EQ_BASS_VOL */ + cx25840_and_or(client, 0x8d9, ~0x3f, + 48 - (ctrl->val * 48 / 0xffff)); break; case V4L2_CID_AUDIO_TREBLE: - ctrl->value = get_treble(client); + /* PATH1_EQ_TREBLE_VOL */ + cx25840_and_or(client, 0x8db, ~0x3f, + 48 - (ctrl->val * 48 / 0xffff)); break; case V4L2_CID_AUDIO_BALANCE: - ctrl->value = get_balance(client); - break; - case V4L2_CID_AUDIO_MUTE: - ctrl->value = get_mute(client); + set_balance(client, ctrl->val); break; default: return -EINVAL; @@ -650,28 +562,6 @@ int cx25840_audio_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) return 0; } -int cx25840_audio_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - - switch (ctrl->id) { - case V4L2_CID_AUDIO_VOLUME: - set_volume(client, ctrl->value); - break; - case V4L2_CID_AUDIO_BASS: - set_bass(client, ctrl->value); - break; - case V4L2_CID_AUDIO_TREBLE: - set_treble(client, ctrl->value); - break; - case V4L2_CID_AUDIO_BALANCE: - set_balance(client, ctrl->value); - break; - case V4L2_CID_AUDIO_MUTE: - set_mute(client, ctrl->value); - break; - default: - return -EINVAL; - } - return 0; -} +const struct v4l2_ctrl_ops cx25840_audio_ctrl_ops = { + .s_ctrl = cx25840_audio_s_ctrl, +}; diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c index bb4872b..86ca8c2 100644 --- a/drivers/media/video/cx25840/cx25840-core.c +++ b/drivers/media/video/cx25840/cx25840-core.c @@ -15,6 +15,9 @@ * * CX23885 support by Steven Toth <stoth@linuxtv.org>. * + * CX2388[578] IRQ handling, IO Pin mux configuration and other small fixes are + * Copyright (C) 2010 Andy Walls <awalls@md.metrocast.net> + * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 @@ -48,6 +51,28 @@ MODULE_DESCRIPTION("Conexant CX25840 audio/video decoder driver"); MODULE_AUTHOR("Ulf Eklund, Chris Kennedy, Hans Verkuil, Tyler Trafford"); MODULE_LICENSE("GPL"); +#define CX25840_VID_INT_STAT_REG 0x410 +#define CX25840_VID_INT_STAT_BITS 0x0000ffff +#define CX25840_VID_INT_MASK_BITS 0xffff0000 +#define CX25840_VID_INT_MASK_SHFT 16 +#define CX25840_VID_INT_MASK_REG 0x412 + +#define CX23885_AUD_MC_INT_MASK_REG 0x80c +#define CX23885_AUD_MC_INT_STAT_BITS 0xffff0000 +#define CX23885_AUD_MC_INT_CTRL_BITS 0x0000ffff +#define CX23885_AUD_MC_INT_STAT_SHFT 16 + +#define CX25840_AUD_INT_CTRL_REG 0x812 +#define CX25840_AUD_INT_STAT_REG 0x813 + +#define CX23885_PIN_CTRL_IRQ_REG 0x123 +#define CX23885_PIN_CTRL_IRQ_IR_STAT 0x40 +#define CX23885_PIN_CTRL_IRQ_AUD_STAT 0x20 +#define CX23885_PIN_CTRL_IRQ_VID_STAT 0x10 + +#define CX25840_IR_STATS_REG 0x210 +#define CX25840_IR_IRQEN_REG 0x214 + static int cx25840_debug; module_param_named(debug,cx25840_debug, int, 0644); @@ -80,33 +105,53 @@ int cx25840_write4(struct i2c_client *client, u16 addr, u32 value) u8 cx25840_read(struct i2c_client * client, u16 addr) { - u8 buffer[2]; - buffer[0] = addr >> 8; - buffer[1] = addr & 0xff; - - if (i2c_master_send(client, buffer, 2) < 2) - return 0; - - if (i2c_master_recv(client, buffer, 1) < 1) + struct i2c_msg msgs[2]; + u8 tx_buf[2], rx_buf[1]; + + /* Write register address */ + tx_buf[0] = addr >> 8; + tx_buf[1] = addr & 0xff; + msgs[0].addr = client->addr; + msgs[0].flags = 0; + msgs[0].len = 2; + msgs[0].buf = (char *) tx_buf; + + /* Read data from register */ + msgs[1].addr = client->addr; + msgs[1].flags = I2C_M_RD; + msgs[1].len = 1; + msgs[1].buf = (char *) rx_buf; + + if (i2c_transfer(client->adapter, msgs, 2) < 2) return 0; - return buffer[0]; + return rx_buf[0]; } u32 cx25840_read4(struct i2c_client * client, u16 addr) { - u8 buffer[4]; - buffer[0] = addr >> 8; - buffer[1] = addr & 0xff; - - if (i2c_master_send(client, buffer, 2) < 2) - return 0; - - if (i2c_master_recv(client, buffer, 4) < 4) + struct i2c_msg msgs[2]; + u8 tx_buf[2], rx_buf[4]; + + /* Write register address */ + tx_buf[0] = addr >> 8; + tx_buf[1] = addr & 0xff; + msgs[0].addr = client->addr; + msgs[0].flags = 0; + msgs[0].len = 2; + msgs[0].buf = (char *) tx_buf; + + /* Read data from registers */ + msgs[1].addr = client->addr; + msgs[1].flags = I2C_M_RD; + msgs[1].len = 4; + msgs[1].buf = (char *) rx_buf; + + if (i2c_transfer(client->adapter, msgs, 2) < 2) return 0; - return (buffer[3] << 24) | (buffer[2] << 16) | - (buffer[1] << 8) | buffer[0]; + return (rx_buf[3] << 24) | (rx_buf[2] << 16) | (rx_buf[1] << 8) | + rx_buf[0]; } int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned and_mask, @@ -117,6 +162,14 @@ int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned and_mask, or_value); } +int cx25840_and_or4(struct i2c_client *client, u16 addr, u32 and_mask, + u32 or_value) +{ + return cx25840_write4(client, addr, + (cx25840_read4(client, addr) & and_mask) | + or_value); +} + /* ----------------------------------------------------------------------- */ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_input, @@ -124,6 +177,158 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp /* ----------------------------------------------------------------------- */ +static int cx23885_s_io_pin_config(struct v4l2_subdev *sd, size_t n, + struct v4l2_subdev_io_pin_config *p) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + int i; + u32 pin_ctrl; + u8 gpio_oe, gpio_data, strength; + + pin_ctrl = cx25840_read4(client, 0x120); + gpio_oe = cx25840_read(client, 0x160); + gpio_data = cx25840_read(client, 0x164); + + for (i = 0; i < n; i++) { + strength = p[i].strength; + if (strength > CX25840_PIN_DRIVE_FAST) + strength = CX25840_PIN_DRIVE_FAST; + + switch (p[i].pin) { + case CX23885_PIN_IRQ_N_GPIO16: + if (p[i].function != CX23885_PAD_IRQ_N) { + /* GPIO16 */ + pin_ctrl &= ~(0x1 << 25); + } else { + /* IRQ_N */ + if (p[i].flags & + (V4L2_SUBDEV_IO_PIN_DISABLE | + V4L2_SUBDEV_IO_PIN_INPUT)) { + pin_ctrl &= ~(0x1 << 25); + } else { + pin_ctrl |= (0x1 << 25); + } + if (p[i].flags & + V4L2_SUBDEV_IO_PIN_ACTIVE_LOW) { + pin_ctrl &= ~(0x1 << 24); + } else { + pin_ctrl |= (0x1 << 24); + } + } + break; + case CX23885_PIN_IR_RX_GPIO19: + if (p[i].function != CX23885_PAD_GPIO19) { + /* IR_RX */ + gpio_oe |= (0x1 << 0); + pin_ctrl &= ~(0x3 << 18); + pin_ctrl |= (strength << 18); + } else { + /* GPIO19 */ + gpio_oe &= ~(0x1 << 0); + if (p[i].flags & V4L2_SUBDEV_IO_PIN_SET_VALUE) { + gpio_data &= ~(0x1 << 0); + gpio_data |= ((p[i].value & 0x1) << 0); + } + pin_ctrl &= ~(0x3 << 12); + pin_ctrl |= (strength << 12); + } + break; + case CX23885_PIN_IR_TX_GPIO20: + if (p[i].function != CX23885_PAD_GPIO20) { + /* IR_TX */ + gpio_oe |= (0x1 << 1); + if (p[i].flags & V4L2_SUBDEV_IO_PIN_DISABLE) + pin_ctrl &= ~(0x1 << 10); + else + pin_ctrl |= (0x1 << 10); + pin_ctrl &= ~(0x3 << 18); + pin_ctrl |= (strength << 18); + } else { + /* GPIO20 */ + gpio_oe &= ~(0x1 << 1); + if (p[i].flags & V4L2_SUBDEV_IO_PIN_SET_VALUE) { + gpio_data &= ~(0x1 << 1); + gpio_data |= ((p[i].value & 0x1) << 1); + } + pin_ctrl &= ~(0x3 << 12); + pin_ctrl |= (strength << 12); + } + break; + case CX23885_PIN_I2S_SDAT_GPIO21: + if (p[i].function != CX23885_PAD_GPIO21) { + /* I2S_SDAT */ + /* TODO: Input or Output config */ + gpio_oe |= (0x1 << 2); + pin_ctrl &= ~(0x3 << 22); + pin_ctrl |= (strength << 22); + } else { + /* GPIO21 */ + gpio_oe &= ~(0x1 << 2); + if (p[i].flags & V4L2_SUBDEV_IO_PIN_SET_VALUE) { + gpio_data &= ~(0x1 << 2); + gpio_data |= ((p[i].value & 0x1) << 2); + } + pin_ctrl &= ~(0x3 << 12); + pin_ctrl |= (strength << 12); + } + break; + case CX23885_PIN_I2S_WCLK_GPIO22: + if (p[i].function != CX23885_PAD_GPIO22) { + /* I2S_WCLK */ + /* TODO: Input or Output config */ + gpio_oe |= (0x1 << 3); + pin_ctrl &= ~(0x3 << 22); + pin_ctrl |= (strength << 22); + } else { + /* GPIO22 */ + gpio_oe &= ~(0x1 << 3); + if (p[i].flags & V4L2_SUBDEV_IO_PIN_SET_VALUE) { + gpio_data &= ~(0x1 << 3); + gpio_data |= ((p[i].value & 0x1) << 3); + } + pin_ctrl &= ~(0x3 << 12); + pin_ctrl |= (strength << 12); + } + break; + case CX23885_PIN_I2S_BCLK_GPIO23: + if (p[i].function != CX23885_PAD_GPIO23) { + /* I2S_BCLK */ + /* TODO: Input or Output config */ + gpio_oe |= (0x1 << 4); + pin_ctrl &= ~(0x3 << 22); + pin_ctrl |= (strength << 22); + } else { + /* GPIO23 */ + gpio_oe &= ~(0x1 << 4); + if (p[i].flags & V4L2_SUBDEV_IO_PIN_SET_VALUE) { + gpio_data &= ~(0x1 << 4); + gpio_data |= ((p[i].value & 0x1) << 4); + } + pin_ctrl &= ~(0x3 << 12); + pin_ctrl |= (strength << 12); + } + break; + } + } + + cx25840_write(client, 0x164, gpio_data); + cx25840_write(client, 0x160, gpio_oe); + cx25840_write4(client, 0x120, pin_ctrl); + return 0; +} + +static int common_s_io_pin_config(struct v4l2_subdev *sd, size_t n, + struct v4l2_subdev_io_pin_config *pincfg) +{ + struct cx25840_state *state = to_state(sd); + + if (is_cx2388x(state)) + return cx23885_s_io_pin_config(sd, n, pincfg); + return 0; +} + +/* ----------------------------------------------------------------------- */ + static void init_dll1(struct i2c_client *client) { /* This is the Hauppauge sequence used to @@ -420,6 +625,13 @@ static void cx23885_initialize(struct i2c_client *client) /* start microcontroller */ cx25840_and_or(client, 0x803, ~0x10, 0x10); + + /* Disable and clear video interrupts - we don't use them */ + cx25840_write4(client, CX25840_VID_INT_STAT_REG, 0xffffffff); + + /* Disable and clear audio interrupts - we don't use them */ + cx25840_write(client, CX25840_AUD_INT_CTRL_REG, 0xff); + cx25840_write(client, CX25840_AUD_INT_STAT_REG, 0xff); } /* ----------------------------------------------------------------------- */ @@ -909,102 +1121,29 @@ static int set_v4lstd(struct i2c_client *client) /* ----------------------------------------------------------------------- */ -static int cx25840_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) +static int cx25840_s_ctrl(struct v4l2_ctrl *ctrl) { - struct cx25840_state *state = to_state(sd); + struct v4l2_subdev *sd = to_sd(ctrl); struct i2c_client *client = v4l2_get_subdevdata(sd); switch (ctrl->id) { - case CX25840_CID_ENABLE_PVR150_WORKAROUND: - state->pvr150_workaround = ctrl->value; - set_input(client, state->vid_input, state->aud_input); - break; - case V4L2_CID_BRIGHTNESS: - if (ctrl->value < 0 || ctrl->value > 255) { - v4l_err(client, "invalid brightness setting %d\n", - ctrl->value); - return -ERANGE; - } - - cx25840_write(client, 0x414, ctrl->value - 128); + cx25840_write(client, 0x414, ctrl->val - 128); break; case V4L2_CID_CONTRAST: - if (ctrl->value < 0 || ctrl->value > 127) { - v4l_err(client, "invalid contrast setting %d\n", - ctrl->value); - return -ERANGE; - } - - cx25840_write(client, 0x415, ctrl->value << 1); + cx25840_write(client, 0x415, ctrl->val << 1); break; case V4L2_CID_SATURATION: - if (ctrl->value < 0 || ctrl->value > 127) { - v4l_err(client, "invalid saturation setting %d\n", - ctrl->value); - return -ERANGE; - } - - cx25840_write(client, 0x420, ctrl->value << 1); - cx25840_write(client, 0x421, ctrl->value << 1); + cx25840_write(client, 0x420, ctrl->val << 1); + cx25840_write(client, 0x421, ctrl->val << 1); break; case V4L2_CID_HUE: - if (ctrl->value < -128 || ctrl->value > 127) { - v4l_err(client, "invalid hue setting %d\n", ctrl->value); - return -ERANGE; - } - - cx25840_write(client, 0x422, ctrl->value); + cx25840_write(client, 0x422, ctrl->val); break; - case V4L2_CID_AUDIO_VOLUME: - case V4L2_CID_AUDIO_BASS: - case V4L2_CID_AUDIO_TREBLE: - case V4L2_CID_AUDIO_BALANCE: - case V4L2_CID_AUDIO_MUTE: - if (is_cx2583x(state)) - return -EINVAL; - return cx25840_audio_s_ctrl(sd, ctrl); - - default: - return -EINVAL; - } - - return 0; -} - -static int cx25840_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) -{ - struct cx25840_state *state = to_state(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - - switch (ctrl->id) { - case CX25840_CID_ENABLE_PVR150_WORKAROUND: - ctrl->value = state->pvr150_workaround; - break; - case V4L2_CID_BRIGHTNESS: - ctrl->value = (s8)cx25840_read(client, 0x414) + 128; - break; - case V4L2_CID_CONTRAST: - ctrl->value = cx25840_read(client, 0x415) >> 1; - break; - case V4L2_CID_SATURATION: - ctrl->value = cx25840_read(client, 0x420) >> 1; - break; - case V4L2_CID_HUE: - ctrl->value = (s8)cx25840_read(client, 0x422); - break; - case V4L2_CID_AUDIO_VOLUME: - case V4L2_CID_AUDIO_BASS: - case V4L2_CID_AUDIO_TREBLE: - case V4L2_CID_AUDIO_BALANCE: - case V4L2_CID_AUDIO_MUTE: - if (is_cx2583x(state)) - return -EINVAL; - return cx25840_audio_g_ctrl(sd, ctrl); default: return -EINVAL; } @@ -1163,8 +1302,6 @@ static void log_audio_status(struct i2c_client *client) default: p = "not defined"; } v4l_info(client, "Detected audio standard: %s\n", p); - v4l_info(client, "Audio muted: %s\n", - (state->unmute_volume >= 0) ? "yes" : "no"); v4l_info(client, "Audio microcontroller: %s\n", (download_ctl & 0x10) ? ((mute_ctl & 0x2) ? "detecting" : "running") : "stopped"); @@ -1381,40 +1518,6 @@ static int cx25840_s_stream(struct v4l2_subdev *sd, int enable) return 0; } -static int cx25840_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc) -{ - struct cx25840_state *state = to_state(sd); - - switch (qc->id) { - case V4L2_CID_BRIGHTNESS: - return v4l2_ctrl_query_fill(qc, 0, 255, 1, 128); - case V4L2_CID_CONTRAST: - case V4L2_CID_SATURATION: - return v4l2_ctrl_query_fill(qc, 0, 127, 1, 64); - case V4L2_CID_HUE: - return v4l2_ctrl_query_fill(qc, -128, 127, 1, 0); - default: - break; - } - if (is_cx2583x(state)) - return -EINVAL; - - switch (qc->id) { - case V4L2_CID_AUDIO_VOLUME: - return v4l2_ctrl_query_fill(qc, 0, 65535, - 65535 / 100, state->default_volume); - case V4L2_CID_AUDIO_MUTE: - return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0); - case V4L2_CID_AUDIO_BALANCE: - case V4L2_CID_AUDIO_BASS: - case V4L2_CID_AUDIO_TREBLE: - return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 32768); - default: - return -EINVAL; - } - return -EINVAL; -} - static int cx25840_s_std(struct v4l2_subdev *sd, v4l2_std_id std) { struct cx25840_state *state = to_state(sd); @@ -1576,24 +1679,134 @@ static int cx25840_log_status(struct v4l2_subdev *sd) log_video_status(client); if (!is_cx2583x(state)) log_audio_status(client); + cx25840_ir_log_status(sd); + v4l2_ctrl_handler_log_status(&state->hdl, sd->name); + return 0; +} + +static int cx25840_s_config(struct v4l2_subdev *sd, int irq, void *platform_data) +{ + struct cx25840_state *state = to_state(sd); + struct i2c_client *client = v4l2_get_subdevdata(sd); + + if (platform_data) { + struct cx25840_platform_data *pdata = platform_data; + + state->pvr150_workaround = pdata->pvr150_workaround; + set_input(client, state->vid_input, state->aud_input); + } return 0; } +static int cx23885_irq_handler(struct v4l2_subdev *sd, u32 status, + bool *handled) +{ + struct cx25840_state *state = to_state(sd); + struct i2c_client *c = v4l2_get_subdevdata(sd); + u8 irq_stat, aud_stat, aud_en, ir_stat, ir_en; + u32 vid_stat, aud_mc_stat; + bool block_handled; + int ret = 0; + + irq_stat = cx25840_read(c, CX23885_PIN_CTRL_IRQ_REG); + v4l_dbg(2, cx25840_debug, c, "AV Core IRQ status (entry): %s %s %s\n", + irq_stat & CX23885_PIN_CTRL_IRQ_IR_STAT ? "ir" : " ", + irq_stat & CX23885_PIN_CTRL_IRQ_AUD_STAT ? "aud" : " ", + irq_stat & CX23885_PIN_CTRL_IRQ_VID_STAT ? "vid" : " "); + + if ((is_cx23885(state) || is_cx23887(state))) { + ir_stat = cx25840_read(c, CX25840_IR_STATS_REG); + ir_en = cx25840_read(c, CX25840_IR_IRQEN_REG); + v4l_dbg(2, cx25840_debug, c, + "AV Core ir IRQ status: %#04x disables: %#04x\n", + ir_stat, ir_en); + if (irq_stat & CX23885_PIN_CTRL_IRQ_IR_STAT) { + block_handled = false; + ret = cx25840_ir_irq_handler(sd, + status, &block_handled); + if (block_handled) + *handled = true; + } + } + + aud_stat = cx25840_read(c, CX25840_AUD_INT_STAT_REG); + aud_en = cx25840_read(c, CX25840_AUD_INT_CTRL_REG); + v4l_dbg(2, cx25840_debug, c, + "AV Core audio IRQ status: %#04x disables: %#04x\n", + aud_stat, aud_en); + aud_mc_stat = cx25840_read4(c, CX23885_AUD_MC_INT_MASK_REG); + v4l_dbg(2, cx25840_debug, c, + "AV Core audio MC IRQ status: %#06x enables: %#06x\n", + aud_mc_stat >> CX23885_AUD_MC_INT_STAT_SHFT, + aud_mc_stat & CX23885_AUD_MC_INT_CTRL_BITS); + if (irq_stat & CX23885_PIN_CTRL_IRQ_AUD_STAT) { + if (aud_stat) { + cx25840_write(c, CX25840_AUD_INT_STAT_REG, aud_stat); + *handled = true; + } + } + + vid_stat = cx25840_read4(c, CX25840_VID_INT_STAT_REG); + v4l_dbg(2, cx25840_debug, c, + "AV Core video IRQ status: %#06x disables: %#06x\n", + vid_stat & CX25840_VID_INT_STAT_BITS, + vid_stat >> CX25840_VID_INT_MASK_SHFT); + if (irq_stat & CX23885_PIN_CTRL_IRQ_VID_STAT) { + if (vid_stat & CX25840_VID_INT_STAT_BITS) { + cx25840_write4(c, CX25840_VID_INT_STAT_REG, vid_stat); + *handled = true; + } + } + + irq_stat = cx25840_read(c, CX23885_PIN_CTRL_IRQ_REG); + v4l_dbg(2, cx25840_debug, c, "AV Core IRQ status (exit): %s %s %s\n", + irq_stat & CX23885_PIN_CTRL_IRQ_IR_STAT ? "ir" : " ", + irq_stat & CX23885_PIN_CTRL_IRQ_AUD_STAT ? "aud" : " ", + irq_stat & CX23885_PIN_CTRL_IRQ_VID_STAT ? "vid" : " "); + + return ret; +} + +static int cx25840_irq_handler(struct v4l2_subdev *sd, u32 status, + bool *handled) +{ + struct cx25840_state *state = to_state(sd); + + *handled = false; + + /* Only support the CX2388[578] AV Core for now */ + if (is_cx2388x(state)) + return cx23885_irq_handler(sd, status, handled); + + return -ENODEV; +} + /* ----------------------------------------------------------------------- */ +static const struct v4l2_ctrl_ops cx25840_ctrl_ops = { + .s_ctrl = cx25840_s_ctrl, +}; + static const struct v4l2_subdev_core_ops cx25840_core_ops = { .log_status = cx25840_log_status, + .s_config = cx25840_s_config, .g_chip_ident = cx25840_g_chip_ident, - .g_ctrl = cx25840_g_ctrl, - .s_ctrl = cx25840_s_ctrl, - .queryctrl = cx25840_queryctrl, + .g_ctrl = v4l2_subdev_g_ctrl, + .s_ctrl = v4l2_subdev_s_ctrl, + .s_ext_ctrls = v4l2_subdev_s_ext_ctrls, + .try_ext_ctrls = v4l2_subdev_try_ext_ctrls, + .g_ext_ctrls = v4l2_subdev_g_ext_ctrls, + .queryctrl = v4l2_subdev_queryctrl, + .querymenu = v4l2_subdev_querymenu, .s_std = cx25840_s_std, .reset = cx25840_reset, .load_fw = cx25840_load_fw, + .s_io_pin_config = common_s_io_pin_config, #ifdef CONFIG_VIDEO_ADV_DEBUG .g_register = cx25840_g_register, .s_register = cx25840_s_register, #endif + .interrupt_service_routine = cx25840_irq_handler, }; static const struct v4l2_subdev_tuner_ops cx25840_tuner_ops = { @@ -1628,6 +1841,7 @@ static const struct v4l2_subdev_ops cx25840_ops = { .audio = &cx25840_audio_ops, .video = &cx25840_video_ops, .vbi = &cx25840_vbi_ops, + .ir = &cx25840_ir_ops, }; /* ----------------------------------------------------------------------- */ @@ -1675,6 +1889,7 @@ static int cx25840_probe(struct i2c_client *client, { struct cx25840_state *state; struct v4l2_subdev *sd; + int default_volume; u32 id = V4L2_IDENT_NONE; u16 device_id; @@ -1718,6 +1933,7 @@ static int cx25840_probe(struct i2c_client *client, sd = &state->sd; v4l2_i2c_subdev_init(sd, client, &cx25840_ops); + switch (id) { case V4L2_IDENT_CX23885_AV: v4l_info(client, "cx23885 A/V decoder found @ 0x%x (%s)\n", @@ -1762,22 +1978,62 @@ static int cx25840_probe(struct i2c_client *client, state->audclk_freq = 48000; state->pvr150_workaround = 0; state->audmode = V4L2_TUNER_MODE_LANG1; - state->unmute_volume = -1; - state->default_volume = 228 - cx25840_read(client, 0x8d4); - state->default_volume = ((state->default_volume / 2) + 23) << 9; state->vbi_line_offset = 8; state->id = id; state->rev = device_id; + v4l2_ctrl_handler_init(&state->hdl, 9); + v4l2_ctrl_new_std(&state->hdl, &cx25840_ctrl_ops, + V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); + v4l2_ctrl_new_std(&state->hdl, &cx25840_ctrl_ops, + V4L2_CID_CONTRAST, 0, 127, 1, 64); + v4l2_ctrl_new_std(&state->hdl, &cx25840_ctrl_ops, + V4L2_CID_SATURATION, 0, 127, 1, 64); + v4l2_ctrl_new_std(&state->hdl, &cx25840_ctrl_ops, + V4L2_CID_HUE, -128, 127, 1, 0); + if (!is_cx2583x(state)) { + default_volume = 228 - cx25840_read(client, 0x8d4); + default_volume = ((default_volume / 2) + 23) << 9; + + state->volume = v4l2_ctrl_new_std(&state->hdl, + &cx25840_audio_ctrl_ops, V4L2_CID_AUDIO_VOLUME, + 0, 65335, 65535 / 100, default_volume); + state->mute = v4l2_ctrl_new_std(&state->hdl, + &cx25840_audio_ctrl_ops, V4L2_CID_AUDIO_MUTE, + 0, 1, 1, 0); + v4l2_ctrl_new_std(&state->hdl, &cx25840_audio_ctrl_ops, + V4L2_CID_AUDIO_BALANCE, + 0, 65535, 65535 / 100, 32768); + v4l2_ctrl_new_std(&state->hdl, &cx25840_audio_ctrl_ops, + V4L2_CID_AUDIO_BASS, + 0, 65535, 65535 / 100, 32768); + v4l2_ctrl_new_std(&state->hdl, &cx25840_audio_ctrl_ops, + V4L2_CID_AUDIO_TREBLE, + 0, 65535, 65535 / 100, 32768); + } + sd->ctrl_handler = &state->hdl; + if (state->hdl.error) { + int err = state->hdl.error; + + v4l2_ctrl_handler_free(&state->hdl); + kfree(state); + return err; + } + v4l2_ctrl_cluster(2, &state->volume); + v4l2_ctrl_handler_setup(&state->hdl); + cx25840_ir_probe(sd); return 0; } static int cx25840_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct cx25840_state *state = to_state(sd); + cx25840_ir_remove(sd); v4l2_device_unregister_subdev(sd); - kfree(to_state(sd)); + v4l2_ctrl_handler_free(&state->hdl); + kfree(state); return 0; } diff --git a/drivers/media/video/cx25840/cx25840-core.h b/drivers/media/video/cx25840/cx25840-core.h index 04393b9..bd4ada2 100644 --- a/drivers/media/video/cx25840/cx25840-core.h +++ b/drivers/media/video/cx25840/cx25840-core.h @@ -24,19 +24,20 @@ #include <linux/videodev2.h> #include <media/v4l2-device.h> #include <media/v4l2-chip-ident.h> +#include <media/v4l2-ctrls.h> #include <linux/i2c.h> -/* ENABLE_PVR150_WORKAROUND activates a workaround for a hardware bug that is - present in Hauppauge PVR-150 (and possibly PVR-500) cards that have - certain NTSC tuners (tveeprom tuner model numbers 85, 99 and 112). The - audio autodetect fails on some channels for these models and the workaround - is to select the audio standard explicitly. Many thanks to Hauppauge for - providing this information. */ -#define CX25840_CID_ENABLE_PVR150_WORKAROUND (V4L2_CID_PRIVATE_BASE+0) +struct cx25840_ir_state; struct cx25840_state { struct i2c_client *c; struct v4l2_subdev sd; + struct v4l2_ctrl_handler hdl; + struct { + /* volume cluster */ + struct v4l2_ctrl *volume; + struct v4l2_ctrl *mute; + }; int pvr150_workaround; int radio; v4l2_std_id std; @@ -44,14 +45,13 @@ struct cx25840_state { enum cx25840_audio_input aud_input; u32 audclk_freq; int audmode; - int unmute_volume; /* -1 if not muted */ - int default_volume; int vbi_line_offset; u32 id; u32 rev; int is_initialized; wait_queue_head_t fw_wait; /* wake up when the fw load is finished */ struct work_struct fw_work; /* work entry for fw load */ + struct cx25840_ir_state *ir_state; }; static inline struct cx25840_state *to_state(struct v4l2_subdev *sd) @@ -59,6 +59,11 @@ static inline struct cx25840_state *to_state(struct v4l2_subdev *sd) return container_of(sd, struct cx25840_state, sd); } +static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) +{ + return &container_of(ctrl->handler, struct cx25840_state, hdl)->sd; +} + static inline bool is_cx2583x(struct cx25840_state *state) { return state->id == V4L2_IDENT_CX25836 || @@ -77,6 +82,21 @@ static inline bool is_cx2388x(struct cx25840_state *state) state->id == V4L2_IDENT_CX23888_AV; } +static inline bool is_cx23885(struct cx25840_state *state) +{ + return state->id == V4L2_IDENT_CX23885_AV; +} + +static inline bool is_cx23887(struct cx25840_state *state) +{ + return state->id == V4L2_IDENT_CX23887_AV; +} + +static inline bool is_cx23888(struct cx25840_state *state) +{ + return state->id == V4L2_IDENT_CX23888_AV; +} + /* ----------------------------------------------------------------------- */ /* cx25850-core.c */ int cx25840_write(struct i2c_client *client, u16 addr, u8 value); @@ -84,6 +104,8 @@ int cx25840_write4(struct i2c_client *client, u16 addr, u32 value); u8 cx25840_read(struct i2c_client *client, u16 addr); u32 cx25840_read4(struct i2c_client *client, u16 addr); int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned mask, u8 value); +int cx25840_and_or4(struct i2c_client *client, u16 addr, u32 and_mask, + u32 or_value); void cx25840_std_setup(struct i2c_client *client); /* ----------------------------------------------------------------------- */ @@ -94,8 +116,8 @@ int cx25840_loadfw(struct i2c_client *client); /* cx25850-audio.c */ void cx25840_audio_set_path(struct i2c_client *client); int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq); -int cx25840_audio_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl); -int cx25840_audio_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl); + +extern const struct v4l2_ctrl_ops cx25840_audio_ctrl_ops; /* ----------------------------------------------------------------------- */ /* cx25850-vbi.c */ @@ -104,4 +126,12 @@ int cx25840_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format * int cx25840_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt); int cx25840_decode_vbi_line(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi); +/* ----------------------------------------------------------------------- */ +/* cx25850-ir.c */ +extern const struct v4l2_subdev_ir_ops cx25840_ir_ops; +int cx25840_ir_log_status(struct v4l2_subdev *sd); +int cx25840_ir_irq_handler(struct v4l2_subdev *sd, u32 status, bool *handled); +int cx25840_ir_probe(struct v4l2_subdev *sd); +int cx25840_ir_remove(struct v4l2_subdev *sd); + #endif diff --git a/drivers/media/video/cx25840/cx25840-ir.c b/drivers/media/video/cx25840/cx25840-ir.c new file mode 100644 index 0000000..c2b4c14 --- /dev/null +++ b/drivers/media/video/cx25840/cx25840-ir.c @@ -0,0 +1,1279 @@ +/* + * Driver for the Conexant CX2584x Audio/Video decoder chip and related cores + * + * Integrated Consumer Infrared Controller + * + * Copyright (C) 2010 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#include <linux/slab.h> +#include <linux/kfifo.h> +#include <media/cx25840.h> +#include <media/ir-core.h> + +#include "cx25840-core.h" + +static unsigned int ir_debug; +module_param(ir_debug, int, 0644); +MODULE_PARM_DESC(ir_debug, "enable integrated IR debug messages"); + +#define CX25840_IR_REG_BASE 0x200 + +#define CX25840_IR_CNTRL_REG 0x200 +#define CNTRL_WIN_3_3 0x00000000 +#define CNTRL_WIN_4_3 0x00000001 +#define CNTRL_WIN_3_4 0x00000002 +#define CNTRL_WIN_4_4 0x00000003 +#define CNTRL_WIN 0x00000003 +#define CNTRL_EDG_NONE 0x00000000 +#define CNTRL_EDG_FALL 0x00000004 +#define CNTRL_EDG_RISE 0x00000008 +#define CNTRL_EDG_BOTH 0x0000000C +#define CNTRL_EDG 0x0000000C +#define CNTRL_DMD 0x00000010 +#define CNTRL_MOD 0x00000020 +#define CNTRL_RFE 0x00000040 +#define CNTRL_TFE 0x00000080 +#define CNTRL_RXE 0x00000100 +#define CNTRL_TXE 0x00000200 +#define CNTRL_RIC 0x00000400 +#define CNTRL_TIC 0x00000800 +#define CNTRL_CPL 0x00001000 +#define CNTRL_LBM 0x00002000 +#define CNTRL_R 0x00004000 + +#define CX25840_IR_TXCLK_REG 0x204 +#define TXCLK_TCD 0x0000FFFF + +#define CX25840_IR_RXCLK_REG 0x208 +#define RXCLK_RCD 0x0000FFFF + +#define CX25840_IR_CDUTY_REG 0x20C +#define CDUTY_CDC 0x0000000F + +#define CX25840_IR_STATS_REG 0x210 +#define STATS_RTO 0x00000001 +#define STATS_ROR 0x00000002 +#define STATS_RBY 0x00000004 +#define STATS_TBY 0x00000008 +#define STATS_RSR 0x00000010 +#define STATS_TSR 0x00000020 + +#define CX25840_IR_IRQEN_REG 0x214 +#define IRQEN_RTE 0x00000001 +#define IRQEN_ROE 0x00000002 +#define IRQEN_RSE 0x00000010 +#define IRQEN_TSE 0x00000020 +#define IRQEN_MSK 0x00000033 + +#define CX25840_IR_FILTR_REG 0x218 +#define FILTR_LPF 0x0000FFFF + +#define CX25840_IR_FIFO_REG 0x23C +#define FIFO_RXTX 0x0000FFFF +#define FIFO_RXTX_LVL 0x00010000 +#define FIFO_RXTX_RTO 0x0001FFFF +#define FIFO_RX_NDV 0x00020000 +#define FIFO_RX_DEPTH 8 +#define FIFO_TX_DEPTH 8 + +#define CX25840_VIDCLK_FREQ 108000000 /* 108 MHz, BT.656 */ +#define CX25840_IR_REFCLK_FREQ (CX25840_VIDCLK_FREQ / 2) + +/* + * We use this union internally for convenience, but callers to tx_write + * and rx_read will be expecting records of type struct ir_raw_event. + * Always ensure the size of this union is dictated by struct ir_raw_event. + */ +union cx25840_ir_fifo_rec { + u32 hw_fifo_data; + struct ir_raw_event ir_core_data; +}; + +#define CX25840_IR_RX_KFIFO_SIZE (256 * sizeof(union cx25840_ir_fifo_rec)) +#define CX25840_IR_TX_KFIFO_SIZE (256 * sizeof(union cx25840_ir_fifo_rec)) + +struct cx25840_ir_state { + struct i2c_client *c; + + struct v4l2_subdev_ir_parameters rx_params; + struct mutex rx_params_lock; /* protects Rx parameter settings cache */ + atomic_t rxclk_divider; + atomic_t rx_invert; + + struct kfifo rx_kfifo; + spinlock_t rx_kfifo_lock; /* protect Rx data kfifo */ + + struct v4l2_subdev_ir_parameters tx_params; + struct mutex tx_params_lock; /* protects Tx parameter settings cache */ + atomic_t txclk_divider; +}; + +static inline struct cx25840_ir_state *to_ir_state(struct v4l2_subdev *sd) +{ + struct cx25840_state *state = to_state(sd); + return state ? state->ir_state : NULL; +} + + +/* + * Rx and Tx Clock Divider register computations + * + * Note the largest clock divider value of 0xffff corresponds to: + * (0xffff + 1) * 1000 / 108/2 MHz = 1,213,629.629... ns + * which fits in 21 bits, so we'll use unsigned int for time arguments. + */ +static inline u16 count_to_clock_divider(unsigned int d) +{ + if (d > RXCLK_RCD + 1) + d = RXCLK_RCD; + else if (d < 2) + d = 1; + else + d--; + return (u16) d; +} + +static inline u16 ns_to_clock_divider(unsigned int ns) +{ + return count_to_clock_divider( + DIV_ROUND_CLOSEST(CX25840_IR_REFCLK_FREQ / 1000000 * ns, 1000)); +} + +static inline unsigned int clock_divider_to_ns(unsigned int divider) +{ + /* Period of the Rx or Tx clock in ns */ + return DIV_ROUND_CLOSEST((divider + 1) * 1000, + CX25840_IR_REFCLK_FREQ / 1000000); +} + +static inline u16 carrier_freq_to_clock_divider(unsigned int freq) +{ + return count_to_clock_divider( + DIV_ROUND_CLOSEST(CX25840_IR_REFCLK_FREQ, freq * 16)); +} + +static inline unsigned int clock_divider_to_carrier_freq(unsigned int divider) +{ + return DIV_ROUND_CLOSEST(CX25840_IR_REFCLK_FREQ, (divider + 1) * 16); +} + +static inline u16 freq_to_clock_divider(unsigned int freq, + unsigned int rollovers) +{ + return count_to_clock_divider( + DIV_ROUND_CLOSEST(CX25840_IR_REFCLK_FREQ, freq * rollovers)); +} + +static inline unsigned int clock_divider_to_freq(unsigned int divider, + unsigned int rollovers) +{ + return DIV_ROUND_CLOSEST(CX25840_IR_REFCLK_FREQ, + (divider + 1) * rollovers); +} + +/* + * Low Pass Filter register calculations + * + * Note the largest count value of 0xffff corresponds to: + * 0xffff * 1000 / 108/2 MHz = 1,213,611.11... ns + * which fits in 21 bits, so we'll use unsigned int for time arguments. + */ +static inline u16 count_to_lpf_count(unsigned int d) +{ + if (d > FILTR_LPF) + d = FILTR_LPF; + else if (d < 4) + d = 0; + return (u16) d; +} + +static inline u16 ns_to_lpf_count(unsigned int ns) +{ + return count_to_lpf_count( + DIV_ROUND_CLOSEST(CX25840_IR_REFCLK_FREQ / 1000000 * ns, 1000)); +} + +static inline unsigned int lpf_count_to_ns(unsigned int count) +{ + /* Duration of the Low Pass Filter rejection window in ns */ + return DIV_ROUND_CLOSEST(count * 1000, + CX25840_IR_REFCLK_FREQ / 1000000); +} + +static inline unsigned int lpf_count_to_us(unsigned int count) +{ + /* Duration of the Low Pass Filter rejection window in us */ + return DIV_ROUND_CLOSEST(count, CX25840_IR_REFCLK_FREQ / 1000000); +} + +/* + * FIFO register pulse width count compuations + */ +static u32 clock_divider_to_resolution(u16 divider) +{ + /* + * Resolution is the duration of 1 tick of the readable portion of + * of the pulse width counter as read from the FIFO. The two lsb's are + * not readable, hence the << 2. This function returns ns. + */ + return DIV_ROUND_CLOSEST((1 << 2) * ((u32) divider + 1) * 1000, + CX25840_IR_REFCLK_FREQ / 1000000); +} + +static u64 pulse_width_count_to_ns(u16 count, u16 divider) +{ + u64 n; + u32 rem; + + /* + * The 2 lsb's of the pulse width timer count are not readable, hence + * the (count << 2) | 0x3 + */ + n = (((u64) count << 2) | 0x3) * (divider + 1) * 1000; /* millicycles */ + rem = do_div(n, CX25840_IR_REFCLK_FREQ / 1000000); /* / MHz => ns */ + if (rem >= CX25840_IR_REFCLK_FREQ / 1000000 / 2) + n++; + return n; +} + +#if 0 +/* Keep as we will need this for Transmit functionality */ +static u16 ns_to_pulse_width_count(u32 ns, u16 divider) +{ + u64 n; + u32 d; + u32 rem; + + /* + * The 2 lsb's of the pulse width timer count are not accessable, hence + * the (1 << 2) + */ + n = ((u64) ns) * CX25840_IR_REFCLK_FREQ / 1000000; /* millicycles */ + d = (1 << 2) * ((u32) divider + 1) * 1000; /* millicycles/count */ + rem = do_div(n, d); + if (rem >= d / 2) + n++; + + if (n > FIFO_RXTX) + n = FIFO_RXTX; + else if (n == 0) + n = 1; + return (u16) n; +} + +#endif +static unsigned int pulse_width_count_to_us(u16 count, u16 divider) +{ + u64 n; + u32 rem; + + /* + * The 2 lsb's of the pulse width timer count are not readable, hence + * the (count << 2) | 0x3 + */ + n = (((u64) count << 2) | 0x3) * (divider + 1); /* cycles */ + rem = do_div(n, CX25840_IR_REFCLK_FREQ / 1000000); /* / MHz => us */ + if (rem >= CX25840_IR_REFCLK_FREQ / 1000000 / 2) + n++; + return (unsigned int) n; +} + +/* + * Pulse Clocks computations: Combined Pulse Width Count & Rx Clock Counts + * + * The total pulse clock count is an 18 bit pulse width timer count as the most + * significant part and (up to) 16 bit clock divider count as a modulus. + * When the Rx clock divider ticks down to 0, it increments the 18 bit pulse + * width timer count's least significant bit. + */ +static u64 ns_to_pulse_clocks(u32 ns) +{ + u64 clocks; + u32 rem; + clocks = CX25840_IR_REFCLK_FREQ / 1000000 * (u64) ns; /* millicycles */ + rem = do_div(clocks, 1000); /* /1000 = cycles */ + if (rem >= 1000 / 2) + clocks++; + return clocks; +} + +static u16 pulse_clocks_to_clock_divider(u64 count) +{ + u32 rem; + + rem = do_div(count, (FIFO_RXTX << 2) | 0x3); + + /* net result needs to be rounded down and decremented by 1 */ + if (count > RXCLK_RCD + 1) + count = RXCLK_RCD; + else if (count < 2) + count = 1; + else + count--; + return (u16) count; +} + +/* + * IR Control Register helpers + */ +enum tx_fifo_watermark { + TX_FIFO_HALF_EMPTY = 0, + TX_FIFO_EMPTY = CNTRL_TIC, +}; + +enum rx_fifo_watermark { + RX_FIFO_HALF_FULL = 0, + RX_FIFO_NOT_EMPTY = CNTRL_RIC, +}; + +static inline void control_tx_irq_watermark(struct i2c_client *c, + enum tx_fifo_watermark level) +{ + cx25840_and_or4(c, CX25840_IR_CNTRL_REG, ~CNTRL_TIC, level); +} + +static inline void control_rx_irq_watermark(struct i2c_client *c, + enum rx_fifo_watermark level) +{ + cx25840_and_or4(c, CX25840_IR_CNTRL_REG, ~CNTRL_RIC, level); +} + +static inline void control_tx_enable(struct i2c_client *c, bool enable) +{ + cx25840_and_or4(c, CX25840_IR_CNTRL_REG, ~(CNTRL_TXE | CNTRL_TFE), + enable ? (CNTRL_TXE | CNTRL_TFE) : 0); +} + +static inline void control_rx_enable(struct i2c_client *c, bool enable) +{ + cx25840_and_or4(c, CX25840_IR_CNTRL_REG, ~(CNTRL_RXE | CNTRL_RFE), + enable ? (CNTRL_RXE | CNTRL_RFE) : 0); +} + +static inline void control_tx_modulation_enable(struct i2c_client *c, + bool enable) +{ + cx25840_and_or4(c, CX25840_IR_CNTRL_REG, ~CNTRL_MOD, + enable ? CNTRL_MOD : 0); +} + +static inline void control_rx_demodulation_enable(struct i2c_client *c, + bool enable) +{ + cx25840_and_or4(c, CX25840_IR_CNTRL_REG, ~CNTRL_DMD, + enable ? CNTRL_DMD : 0); +} + +static inline void control_rx_s_edge_detection(struct i2c_client *c, + u32 edge_types) +{ + cx25840_and_or4(c, CX25840_IR_CNTRL_REG, ~CNTRL_EDG_BOTH, + edge_types & CNTRL_EDG_BOTH); +} + +static void control_rx_s_carrier_window(struct i2c_client *c, + unsigned int carrier, + unsigned int *carrier_range_low, + unsigned int *carrier_range_high) +{ + u32 v; + unsigned int c16 = carrier * 16; + + if (*carrier_range_low < DIV_ROUND_CLOSEST(c16, 16 + 3)) { + v = CNTRL_WIN_3_4; + *carrier_range_low = DIV_ROUND_CLOSEST(c16, 16 + 4); + } else { + v = CNTRL_WIN_3_3; + *carrier_range_low = DIV_ROUND_CLOSEST(c16, 16 + 3); + } + + if (*carrier_range_high > DIV_ROUND_CLOSEST(c16, 16 - 3)) { + v |= CNTRL_WIN_4_3; + *carrier_range_high = DIV_ROUND_CLOSEST(c16, 16 - 4); + } else { + v |= CNTRL_WIN_3_3; + *carrier_range_high = DIV_ROUND_CLOSEST(c16, 16 - 3); + } + cx25840_and_or4(c, CX25840_IR_CNTRL_REG, ~CNTRL_WIN, v); +} + +static inline void control_tx_polarity_invert(struct i2c_client *c, + bool invert) +{ + cx25840_and_or4(c, CX25840_IR_CNTRL_REG, ~CNTRL_CPL, + invert ? CNTRL_CPL : 0); +} + +/* + * IR Rx & Tx Clock Register helpers + */ +static unsigned int txclk_tx_s_carrier(struct i2c_client *c, + unsigned int freq, + u16 *divider) +{ + *divider = carrier_freq_to_clock_divider(freq); + cx25840_write4(c, CX25840_IR_TXCLK_REG, *divider); + return clock_divider_to_carrier_freq(*divider); +} + +static unsigned int rxclk_rx_s_carrier(struct i2c_client *c, + unsigned int freq, + u16 *divider) +{ + *divider = carrier_freq_to_clock_divider(freq); + cx25840_write4(c, CX25840_IR_RXCLK_REG, *divider); + return clock_divider_to_carrier_freq(*divider); +} + +static u32 txclk_tx_s_max_pulse_width(struct i2c_client *c, u32 ns, + u16 *divider) +{ + u64 pulse_clocks; + + if (ns > IR_MAX_DURATION) + ns = IR_MAX_DURATION; + pulse_clocks = ns_to_pulse_clocks(ns); + *divider = pulse_clocks_to_clock_divider(pulse_clocks); + cx25840_write4(c, CX25840_IR_TXCLK_REG, *divider); + return (u32) pulse_width_count_to_ns(FIFO_RXTX, *divider); +} + +static u32 rxclk_rx_s_max_pulse_width(struct i2c_client *c, u32 ns, + u16 *divider) +{ + u64 pulse_clocks; + + if (ns > IR_MAX_DURATION) + ns = IR_MAX_DURATION; + pulse_clocks = ns_to_pulse_clocks(ns); + *divider = pulse_clocks_to_clock_divider(pulse_clocks); + cx25840_write4(c, CX25840_IR_RXCLK_REG, *divider); + return (u32) pulse_width_count_to_ns(FIFO_RXTX, *divider); +} + +/* + * IR Tx Carrier Duty Cycle register helpers + */ +static unsigned int cduty_tx_s_duty_cycle(struct i2c_client *c, + unsigned int duty_cycle) +{ + u32 n; + n = DIV_ROUND_CLOSEST(duty_cycle * 100, 625); /* 16ths of 100% */ + if (n != 0) + n--; + if (n > 15) + n = 15; + cx25840_write4(c, CX25840_IR_CDUTY_REG, n); + return DIV_ROUND_CLOSEST((n + 1) * 100, 16); +} + +/* + * IR Filter Register helpers + */ +static u32 filter_rx_s_min_width(struct i2c_client *c, u32 min_width_ns) +{ + u32 count = ns_to_lpf_count(min_width_ns); + cx25840_write4(c, CX25840_IR_FILTR_REG, count); + return lpf_count_to_ns(count); +} + +/* + * IR IRQ Enable Register helpers + */ +static inline void irqenable_rx(struct v4l2_subdev *sd, u32 mask) +{ + struct cx25840_state *state = to_state(sd); + + if (is_cx23885(state) || is_cx23887(state)) + mask ^= IRQEN_MSK; + mask &= (IRQEN_RTE | IRQEN_ROE | IRQEN_RSE); + cx25840_and_or4(state->c, CX25840_IR_IRQEN_REG, + ~(IRQEN_RTE | IRQEN_ROE | IRQEN_RSE), mask); +} + +static inline void irqenable_tx(struct v4l2_subdev *sd, u32 mask) +{ + struct cx25840_state *state = to_state(sd); + + if (is_cx23885(state) || is_cx23887(state)) + mask ^= IRQEN_MSK; + mask &= IRQEN_TSE; + cx25840_and_or4(state->c, CX25840_IR_IRQEN_REG, ~IRQEN_TSE, mask); +} + +/* + * V4L2 Subdevice IR Ops + */ +int cx25840_ir_irq_handler(struct v4l2_subdev *sd, u32 status, bool *handled) +{ + struct cx25840_state *state = to_state(sd); + struct cx25840_ir_state *ir_state = to_ir_state(sd); + struct i2c_client *c = NULL; + unsigned long flags; + + union cx25840_ir_fifo_rec rx_data[FIFO_RX_DEPTH]; + unsigned int i, j, k; + u32 events, v; + int tsr, rsr, rto, ror, tse, rse, rte, roe, kror; + u32 cntrl, irqen, stats; + + *handled = false; + if (ir_state == NULL) + return -ENODEV; + + c = ir_state->c; + + /* Only support the IR controller for the CX2388[57] AV Core for now */ + if (!(is_cx23885(state) || is_cx23887(state))) + return -ENODEV; + + cntrl = cx25840_read4(c, CX25840_IR_CNTRL_REG); + irqen = cx25840_read4(c, CX25840_IR_IRQEN_REG); + if (is_cx23885(state) || is_cx23887(state)) + irqen ^= IRQEN_MSK; + stats = cx25840_read4(c, CX25840_IR_STATS_REG); + + tsr = stats & STATS_TSR; /* Tx FIFO Service Request */ + rsr = stats & STATS_RSR; /* Rx FIFO Service Request */ + rto = stats & STATS_RTO; /* Rx Pulse Width Timer Time Out */ + ror = stats & STATS_ROR; /* Rx FIFO Over Run */ + + tse = irqen & IRQEN_TSE; /* Tx FIFO Service Request IRQ Enable */ + rse = irqen & IRQEN_RSE; /* Rx FIFO Service Reuqest IRQ Enable */ + rte = irqen & IRQEN_RTE; /* Rx Pulse Width Timer Time Out IRQ Enable */ + roe = irqen & IRQEN_ROE; /* Rx FIFO Over Run IRQ Enable */ + + v4l2_dbg(2, ir_debug, sd, "IR IRQ Status: %s %s %s %s %s %s\n", + tsr ? "tsr" : " ", rsr ? "rsr" : " ", + rto ? "rto" : " ", ror ? "ror" : " ", + stats & STATS_TBY ? "tby" : " ", + stats & STATS_RBY ? "rby" : " "); + + v4l2_dbg(2, ir_debug, sd, "IR IRQ Enables: %s %s %s %s\n", + tse ? "tse" : " ", rse ? "rse" : " ", + rte ? "rte" : " ", roe ? "roe" : " "); + + /* + * Transmitter interrupt service + */ + if (tse && tsr) { + /* + * TODO: + * Check the watermark threshold setting + * Pull FIFO_TX_DEPTH or FIFO_TX_DEPTH/2 entries from tx_kfifo + * Push the data to the hardware FIFO. + * If there was nothing more to send in the tx_kfifo, disable + * the TSR IRQ and notify the v4l2_device. + * If there was something in the tx_kfifo, check the tx_kfifo + * level and notify the v4l2_device, if it is low. + */ + /* For now, inhibit TSR interrupt until Tx is implemented */ + irqenable_tx(sd, 0); + events = V4L2_SUBDEV_IR_TX_FIFO_SERVICE_REQ; + v4l2_subdev_notify(sd, V4L2_SUBDEV_IR_TX_NOTIFY, &events); + *handled = true; + } + + /* + * Receiver interrupt service + */ + kror = 0; + if ((rse && rsr) || (rte && rto)) { + /* + * Receive data on RSR to clear the STATS_RSR. + * Receive data on RTO, since we may not have yet hit the RSR + * watermark when we receive the RTO. + */ + for (i = 0, v = FIFO_RX_NDV; + (v & FIFO_RX_NDV) && !kror; i = 0) { + for (j = 0; + (v & FIFO_RX_NDV) && j < FIFO_RX_DEPTH; j++) { + v = cx25840_read4(c, CX25840_IR_FIFO_REG); + rx_data[i].hw_fifo_data = v & ~FIFO_RX_NDV; + i++; + } + if (i == 0) + break; + j = i * sizeof(union cx25840_ir_fifo_rec); + k = kfifo_in_locked(&ir_state->rx_kfifo, + (unsigned char *) rx_data, j, + &ir_state->rx_kfifo_lock); + if (k != j) + kror++; /* rx_kfifo over run */ + } + *handled = true; + } + + events = 0; + v = 0; + if (kror) { + events |= V4L2_SUBDEV_IR_RX_SW_FIFO_OVERRUN; + v4l2_err(sd, "IR receiver software FIFO overrun\n"); + } + if (roe && ror) { + /* + * The RX FIFO Enable (CNTRL_RFE) must be toggled to clear + * the Rx FIFO Over Run status (STATS_ROR) + */ + v |= CNTRL_RFE; + events |= V4L2_SUBDEV_IR_RX_HW_FIFO_OVERRUN; + v4l2_err(sd, "IR receiver hardware FIFO overrun\n"); + } + if (rte && rto) { + /* + * The IR Receiver Enable (CNTRL_RXE) must be toggled to clear + * the Rx Pulse Width Timer Time Out (STATS_RTO) + */ + v |= CNTRL_RXE; + events |= V4L2_SUBDEV_IR_RX_END_OF_RX_DETECTED; + } + if (v) { + /* Clear STATS_ROR & STATS_RTO as needed by reseting hardware */ + cx25840_write4(c, CX25840_IR_CNTRL_REG, cntrl & ~v); + cx25840_write4(c, CX25840_IR_CNTRL_REG, cntrl); + *handled = true; + } + spin_lock_irqsave(&ir_state->rx_kfifo_lock, flags); + if (kfifo_len(&ir_state->rx_kfifo) >= CX25840_IR_RX_KFIFO_SIZE / 2) + events |= V4L2_SUBDEV_IR_RX_FIFO_SERVICE_REQ; + spin_unlock_irqrestore(&ir_state->rx_kfifo_lock, flags); + + if (events) + v4l2_subdev_notify(sd, V4L2_SUBDEV_IR_RX_NOTIFY, &events); + return 0; +} + +/* Receiver */ +static int cx25840_ir_rx_read(struct v4l2_subdev *sd, u8 *buf, size_t count, + ssize_t *num) +{ + struct cx25840_ir_state *ir_state = to_ir_state(sd); + bool invert; + u16 divider; + unsigned int i, n; + union cx25840_ir_fifo_rec *p; + unsigned u, v; + + if (ir_state == NULL) + return -ENODEV; + + invert = (bool) atomic_read(&ir_state->rx_invert); + divider = (u16) atomic_read(&ir_state->rxclk_divider); + + n = count / sizeof(union cx25840_ir_fifo_rec) + * sizeof(union cx25840_ir_fifo_rec); + if (n == 0) { + *num = 0; + return 0; + } + + n = kfifo_out_locked(&ir_state->rx_kfifo, buf, n, + &ir_state->rx_kfifo_lock); + + n /= sizeof(union cx25840_ir_fifo_rec); + *num = n * sizeof(union cx25840_ir_fifo_rec); + + for (p = (union cx25840_ir_fifo_rec *) buf, i = 0; i < n; p++, i++) { + + if ((p->hw_fifo_data & FIFO_RXTX_RTO) == FIFO_RXTX_RTO) { + /* Assume RTO was because of no IR light input */ + u = 0; + v4l2_dbg(2, ir_debug, sd, "rx read: end of rx\n"); + } else { + u = (p->hw_fifo_data & FIFO_RXTX_LVL) ? 1 : 0; + if (invert) + u = u ? 0 : 1; + } + + v = (unsigned) pulse_width_count_to_ns( + (u16) (p->hw_fifo_data & FIFO_RXTX), divider); + if (v > IR_MAX_DURATION) + v = IR_MAX_DURATION; + + p->ir_core_data.pulse = u; + p->ir_core_data.duration = v; + + v4l2_dbg(2, ir_debug, sd, "rx read: %10u ns %s\n", + v, u ? "mark" : "space"); + } + return 0; +} + +static int cx25840_ir_rx_g_parameters(struct v4l2_subdev *sd, + struct v4l2_subdev_ir_parameters *p) +{ + struct cx25840_ir_state *ir_state = to_ir_state(sd); + + if (ir_state == NULL) + return -ENODEV; + + mutex_lock(&ir_state->rx_params_lock); + memcpy(p, &ir_state->rx_params, + sizeof(struct v4l2_subdev_ir_parameters)); + mutex_unlock(&ir_state->rx_params_lock); + return 0; +} + +static int cx25840_ir_rx_shutdown(struct v4l2_subdev *sd) +{ + struct cx25840_ir_state *ir_state = to_ir_state(sd); + struct i2c_client *c; + + if (ir_state == NULL) + return -ENODEV; + + c = ir_state->c; + mutex_lock(&ir_state->rx_params_lock); + + /* Disable or slow down all IR Rx circuits and counters */ + irqenable_rx(sd, 0); + control_rx_enable(c, false); + control_rx_demodulation_enable(c, false); + control_rx_s_edge_detection(c, CNTRL_EDG_NONE); + filter_rx_s_min_width(c, 0); + cx25840_write4(c, CX25840_IR_RXCLK_REG, RXCLK_RCD); + + ir_state->rx_params.shutdown = true; + + mutex_unlock(&ir_state->rx_params_lock); + return 0; +} + +static int cx25840_ir_rx_s_parameters(struct v4l2_subdev *sd, + struct v4l2_subdev_ir_parameters *p) +{ + struct cx25840_ir_state *ir_state = to_ir_state(sd); + struct i2c_client *c; + struct v4l2_subdev_ir_parameters *o; + u16 rxclk_divider; + + if (ir_state == NULL) + return -ENODEV; + + if (p->shutdown) + return cx25840_ir_rx_shutdown(sd); + + if (p->mode != V4L2_SUBDEV_IR_MODE_PULSE_WIDTH) + return -ENOSYS; + + c = ir_state->c; + o = &ir_state->rx_params; + + mutex_lock(&ir_state->rx_params_lock); + + o->shutdown = p->shutdown; + + p->mode = V4L2_SUBDEV_IR_MODE_PULSE_WIDTH; + o->mode = p->mode; + + p->bytes_per_data_element = sizeof(union cx25840_ir_fifo_rec); + o->bytes_per_data_element = p->bytes_per_data_element; + + /* Before we tweak the hardware, we have to disable the receiver */ + irqenable_rx(sd, 0); + control_rx_enable(c, false); + + control_rx_demodulation_enable(c, p->modulation); + o->modulation = p->modulation; + + if (p->modulation) { + p->carrier_freq = rxclk_rx_s_carrier(c, p->carrier_freq, + &rxclk_divider); + + o->carrier_freq = p->carrier_freq; + + p->duty_cycle = 50; + o->duty_cycle = p->duty_cycle; + + control_rx_s_carrier_window(c, p->carrier_freq, + &p->carrier_range_lower, + &p->carrier_range_upper); + o->carrier_range_lower = p->carrier_range_lower; + o->carrier_range_upper = p->carrier_range_upper; + + p->max_pulse_width = + (u32) pulse_width_count_to_ns(FIFO_RXTX, rxclk_divider); + } else { + p->max_pulse_width = + rxclk_rx_s_max_pulse_width(c, p->max_pulse_width, + &rxclk_divider); + } + o->max_pulse_width = p->max_pulse_width; + atomic_set(&ir_state->rxclk_divider, rxclk_divider); + + p->noise_filter_min_width = + filter_rx_s_min_width(c, p->noise_filter_min_width); + o->noise_filter_min_width = p->noise_filter_min_width; + + p->resolution = clock_divider_to_resolution(rxclk_divider); + o->resolution = p->resolution; + + /* FIXME - make this dependent on resolution for better performance */ + control_rx_irq_watermark(c, RX_FIFO_HALF_FULL); + + control_rx_s_edge_detection(c, CNTRL_EDG_BOTH); + + o->invert_level = p->invert_level; + atomic_set(&ir_state->rx_invert, p->invert_level); + + o->interrupt_enable = p->interrupt_enable; + o->enable = p->enable; + if (p->enable) { + unsigned long flags; + + spin_lock_irqsave(&ir_state->rx_kfifo_lock, flags); + kfifo_reset(&ir_state->rx_kfifo); + spin_unlock_irqrestore(&ir_state->rx_kfifo_lock, flags); + if (p->interrupt_enable) + irqenable_rx(sd, IRQEN_RSE | IRQEN_RTE | IRQEN_ROE); + control_rx_enable(c, p->enable); + } + + mutex_unlock(&ir_state->rx_params_lock); + return 0; +} + +/* Transmitter */ +static int cx25840_ir_tx_write(struct v4l2_subdev *sd, u8 *buf, size_t count, + ssize_t *num) +{ + struct cx25840_ir_state *ir_state = to_ir_state(sd); + struct i2c_client *c; + + if (ir_state == NULL) + return -ENODEV; + + c = ir_state->c; +#if 0 + /* + * FIXME - the code below is an incomplete and untested sketch of what + * may need to be done. The critical part is to get 4 (or 8) pulses + * from the tx_kfifo, or converted from ns to the proper units from the + * input, and push them off to the hardware Tx FIFO right away, if the + * HW TX fifo needs service. The rest can be pushed to the tx_kfifo in + * a less critical timeframe. Also watch out for overruning the + * tx_kfifo - don't let it happen and let the caller know not all his + * pulses were written. + */ + u32 *ns_pulse = (u32 *) buf; + unsigned int n; + u32 fifo_pulse[FIFO_TX_DEPTH]; + u32 mark; + + /* Compute how much we can fit in the tx kfifo */ + n = CX25840_IR_TX_KFIFO_SIZE - kfifo_len(ir_state->tx_kfifo); + n = min(n, (unsigned int) count); + n /= sizeof(u32); + + /* FIXME - turn on Tx Fifo service interrupt + * check hardware fifo level, and other stuff + */ + for (i = 0; i < n; ) { + for (j = 0; j < FIFO_TX_DEPTH / 2 && i < n; j++) { + mark = ns_pulse[i] & LEVEL_MASK; + fifo_pulse[j] = ns_to_pulse_width_count( + ns_pulse[i] & + ~LEVEL_MASK, + ir_state->txclk_divider); + if (mark) + fifo_pulse[j] &= FIFO_RXTX_LVL; + i++; + } + kfifo_put(ir_state->tx_kfifo, (u8 *) fifo_pulse, + j * sizeof(u32)); + } + *num = n * sizeof(u32); +#else + /* For now enable the Tx FIFO Service interrupt & pretend we did work */ + irqenable_tx(sd, IRQEN_TSE); + *num = count; +#endif + return 0; +} + +static int cx25840_ir_tx_g_parameters(struct v4l2_subdev *sd, + struct v4l2_subdev_ir_parameters *p) +{ + struct cx25840_ir_state *ir_state = to_ir_state(sd); + + if (ir_state == NULL) + return -ENODEV; + + mutex_lock(&ir_state->tx_params_lock); + memcpy(p, &ir_state->tx_params, + sizeof(struct v4l2_subdev_ir_parameters)); + mutex_unlock(&ir_state->tx_params_lock); + return 0; +} + +static int cx25840_ir_tx_shutdown(struct v4l2_subdev *sd) +{ + struct cx25840_ir_state *ir_state = to_ir_state(sd); + struct i2c_client *c; + + if (ir_state == NULL) + return -ENODEV; + + c = ir_state->c; + mutex_lock(&ir_state->tx_params_lock); + + /* Disable or slow down all IR Tx circuits and counters */ + irqenable_tx(sd, 0); + control_tx_enable(c, false); + control_tx_modulation_enable(c, false); + cx25840_write4(c, CX25840_IR_TXCLK_REG, TXCLK_TCD); + + ir_state->tx_params.shutdown = true; + + mutex_unlock(&ir_state->tx_params_lock); + return 0; +} + +static int cx25840_ir_tx_s_parameters(struct v4l2_subdev *sd, + struct v4l2_subdev_ir_parameters *p) +{ + struct cx25840_ir_state *ir_state = to_ir_state(sd); + struct i2c_client *c; + struct v4l2_subdev_ir_parameters *o; + u16 txclk_divider; + + if (ir_state == NULL) + return -ENODEV; + + if (p->shutdown) + return cx25840_ir_tx_shutdown(sd); + + if (p->mode != V4L2_SUBDEV_IR_MODE_PULSE_WIDTH) + return -ENOSYS; + + c = ir_state->c; + o = &ir_state->tx_params; + mutex_lock(&ir_state->tx_params_lock); + + o->shutdown = p->shutdown; + + p->mode = V4L2_SUBDEV_IR_MODE_PULSE_WIDTH; + o->mode = p->mode; + + p->bytes_per_data_element = sizeof(union cx25840_ir_fifo_rec); + o->bytes_per_data_element = p->bytes_per_data_element; + + /* Before we tweak the hardware, we have to disable the transmitter */ + irqenable_tx(sd, 0); + control_tx_enable(c, false); + + control_tx_modulation_enable(c, p->modulation); + o->modulation = p->modulation; + + if (p->modulation) { + p->carrier_freq = txclk_tx_s_carrier(c, p->carrier_freq, + &txclk_divider); + o->carrier_freq = p->carrier_freq; + + p->duty_cycle = cduty_tx_s_duty_cycle(c, p->duty_cycle); + o->duty_cycle = p->duty_cycle; + + p->max_pulse_width = + (u32) pulse_width_count_to_ns(FIFO_RXTX, txclk_divider); + } else { + p->max_pulse_width = + txclk_tx_s_max_pulse_width(c, p->max_pulse_width, + &txclk_divider); + } + o->max_pulse_width = p->max_pulse_width; + atomic_set(&ir_state->txclk_divider, txclk_divider); + + p->resolution = clock_divider_to_resolution(txclk_divider); + o->resolution = p->resolution; + + /* FIXME - make this dependent on resolution for better performance */ + control_tx_irq_watermark(c, TX_FIFO_HALF_EMPTY); + + control_tx_polarity_invert(c, p->invert_carrier_sense); + o->invert_carrier_sense = p->invert_carrier_sense; + + /* + * FIXME: we don't have hardware help for IO pin level inversion + * here like we have on the CX23888. + * Act on this with some mix of logical inversion of data levels, + * carrier polarity, and carrier duty cycle. + */ + o->invert_level = p->invert_level; + + o->interrupt_enable = p->interrupt_enable; + o->enable = p->enable; + if (p->enable) { + /* reset tx_fifo here */ + if (p->interrupt_enable) + irqenable_tx(sd, IRQEN_TSE); + control_tx_enable(c, p->enable); + } + + mutex_unlock(&ir_state->tx_params_lock); + return 0; +} + + +/* + * V4L2 Subdevice Core Ops support + */ +int cx25840_ir_log_status(struct v4l2_subdev *sd) +{ + struct cx25840_state *state = to_state(sd); + struct i2c_client *c = state->c; + char *s; + int i, j; + u32 cntrl, txclk, rxclk, cduty, stats, irqen, filtr; + + /* The CX23888 chip doesn't have an IR controller on the A/V core */ + if (is_cx23888(state)) + return 0; + + cntrl = cx25840_read4(c, CX25840_IR_CNTRL_REG); + txclk = cx25840_read4(c, CX25840_IR_TXCLK_REG) & TXCLK_TCD; + rxclk = cx25840_read4(c, CX25840_IR_RXCLK_REG) & RXCLK_RCD; + cduty = cx25840_read4(c, CX25840_IR_CDUTY_REG) & CDUTY_CDC; + stats = cx25840_read4(c, CX25840_IR_STATS_REG); + irqen = cx25840_read4(c, CX25840_IR_IRQEN_REG); + if (is_cx23885(state) || is_cx23887(state)) + irqen ^= IRQEN_MSK; + filtr = cx25840_read4(c, CX25840_IR_FILTR_REG) & FILTR_LPF; + + v4l2_info(sd, "IR Receiver:\n"); + v4l2_info(sd, "\tEnabled: %s\n", + cntrl & CNTRL_RXE ? "yes" : "no"); + v4l2_info(sd, "\tDemodulation from a carrier: %s\n", + cntrl & CNTRL_DMD ? "enabled" : "disabled"); + v4l2_info(sd, "\tFIFO: %s\n", + cntrl & CNTRL_RFE ? "enabled" : "disabled"); + switch (cntrl & CNTRL_EDG) { + case CNTRL_EDG_NONE: + s = "disabled"; + break; + case CNTRL_EDG_FALL: + s = "falling edge"; + break; + case CNTRL_EDG_RISE: + s = "rising edge"; + break; + case CNTRL_EDG_BOTH: + s = "rising & falling edges"; + break; + default: + s = "??? edge"; + break; + } + v4l2_info(sd, "\tPulse timers' start/stop trigger: %s\n", s); + v4l2_info(sd, "\tFIFO data on pulse timer overflow: %s\n", + cntrl & CNTRL_R ? "not loaded" : "overflow marker"); + v4l2_info(sd, "\tFIFO interrupt watermark: %s\n", + cntrl & CNTRL_RIC ? "not empty" : "half full or greater"); + v4l2_info(sd, "\tLoopback mode: %s\n", + cntrl & CNTRL_LBM ? "loopback active" : "normal receive"); + if (cntrl & CNTRL_DMD) { + v4l2_info(sd, "\tExpected carrier (16 clocks): %u Hz\n", + clock_divider_to_carrier_freq(rxclk)); + switch (cntrl & CNTRL_WIN) { + case CNTRL_WIN_3_3: + i = 3; + j = 3; + break; + case CNTRL_WIN_4_3: + i = 4; + j = 3; + break; + case CNTRL_WIN_3_4: + i = 3; + j = 4; + break; + case CNTRL_WIN_4_4: + i = 4; + j = 4; + break; + default: + i = 0; + j = 0; + break; + } + v4l2_info(sd, "\tNext carrier edge window: 16 clocks " + "-%1d/+%1d, %u to %u Hz\n", i, j, + clock_divider_to_freq(rxclk, 16 + j), + clock_divider_to_freq(rxclk, 16 - i)); + } + v4l2_info(sd, "\tMax measurable pulse width: %u us, %llu ns\n", + pulse_width_count_to_us(FIFO_RXTX, rxclk), + pulse_width_count_to_ns(FIFO_RXTX, rxclk)); + v4l2_info(sd, "\tLow pass filter: %s\n", + filtr ? "enabled" : "disabled"); + if (filtr) + v4l2_info(sd, "\tMin acceptable pulse width (LPF): %u us, " + "%u ns\n", + lpf_count_to_us(filtr), + lpf_count_to_ns(filtr)); + v4l2_info(sd, "\tPulse width timer timed-out: %s\n", + stats & STATS_RTO ? "yes" : "no"); + v4l2_info(sd, "\tPulse width timer time-out intr: %s\n", + irqen & IRQEN_RTE ? "enabled" : "disabled"); + v4l2_info(sd, "\tFIFO overrun: %s\n", + stats & STATS_ROR ? "yes" : "no"); + v4l2_info(sd, "\tFIFO overrun interrupt: %s\n", + irqen & IRQEN_ROE ? "enabled" : "disabled"); + v4l2_info(sd, "\tBusy: %s\n", + stats & STATS_RBY ? "yes" : "no"); + v4l2_info(sd, "\tFIFO service requested: %s\n", + stats & STATS_RSR ? "yes" : "no"); + v4l2_info(sd, "\tFIFO service request interrupt: %s\n", + irqen & IRQEN_RSE ? "enabled" : "disabled"); + + v4l2_info(sd, "IR Transmitter:\n"); + v4l2_info(sd, "\tEnabled: %s\n", + cntrl & CNTRL_TXE ? "yes" : "no"); + v4l2_info(sd, "\tModulation onto a carrier: %s\n", + cntrl & CNTRL_MOD ? "enabled" : "disabled"); + v4l2_info(sd, "\tFIFO: %s\n", + cntrl & CNTRL_TFE ? "enabled" : "disabled"); + v4l2_info(sd, "\tFIFO interrupt watermark: %s\n", + cntrl & CNTRL_TIC ? "not empty" : "half full or less"); + v4l2_info(sd, "\tCarrier polarity: %s\n", + cntrl & CNTRL_CPL ? "space:burst mark:noburst" + : "space:noburst mark:burst"); + if (cntrl & CNTRL_MOD) { + v4l2_info(sd, "\tCarrier (16 clocks): %u Hz\n", + clock_divider_to_carrier_freq(txclk)); + v4l2_info(sd, "\tCarrier duty cycle: %2u/16\n", + cduty + 1); + } + v4l2_info(sd, "\tMax pulse width: %u us, %llu ns\n", + pulse_width_count_to_us(FIFO_RXTX, txclk), + pulse_width_count_to_ns(FIFO_RXTX, txclk)); + v4l2_info(sd, "\tBusy: %s\n", + stats & STATS_TBY ? "yes" : "no"); + v4l2_info(sd, "\tFIFO service requested: %s\n", + stats & STATS_TSR ? "yes" : "no"); + v4l2_info(sd, "\tFIFO service request interrupt: %s\n", + irqen & IRQEN_TSE ? "enabled" : "disabled"); + + return 0; +} + + +const struct v4l2_subdev_ir_ops cx25840_ir_ops = { + .rx_read = cx25840_ir_rx_read, + .rx_g_parameters = cx25840_ir_rx_g_parameters, + .rx_s_parameters = cx25840_ir_rx_s_parameters, + + .tx_write = cx25840_ir_tx_write, + .tx_g_parameters = cx25840_ir_tx_g_parameters, + .tx_s_parameters = cx25840_ir_tx_s_parameters, +}; + + +static const struct v4l2_subdev_ir_parameters default_rx_params = { + .bytes_per_data_element = sizeof(union cx25840_ir_fifo_rec), + .mode = V4L2_SUBDEV_IR_MODE_PULSE_WIDTH, + + .enable = false, + .interrupt_enable = false, + .shutdown = true, + + .modulation = true, + .carrier_freq = 36000, /* 36 kHz - RC-5, and RC-6 carrier */ + + /* RC-5: 666,667 ns = 1/36 kHz * 32 cycles * 1 mark * 0.75 */ + /* RC-6: 333,333 ns = 1/36 kHz * 16 cycles * 1 mark * 0.75 */ + .noise_filter_min_width = 333333, /* ns */ + .carrier_range_lower = 35000, + .carrier_range_upper = 37000, + .invert_level = false, +}; + +static const struct v4l2_subdev_ir_parameters default_tx_params = { + .bytes_per_data_element = sizeof(union cx25840_ir_fifo_rec), + .mode = V4L2_SUBDEV_IR_MODE_PULSE_WIDTH, + + .enable = false, + .interrupt_enable = false, + .shutdown = true, + + .modulation = true, + .carrier_freq = 36000, /* 36 kHz - RC-5 carrier */ + .duty_cycle = 25, /* 25 % - RC-5 carrier */ + .invert_level = false, + .invert_carrier_sense = false, +}; + +int cx25840_ir_probe(struct v4l2_subdev *sd) +{ + struct cx25840_state *state = to_state(sd); + struct cx25840_ir_state *ir_state; + struct v4l2_subdev_ir_parameters default_params; + + /* Only init the IR controller for the CX2388[57] AV Core for now */ + if (!(is_cx23885(state) || is_cx23887(state))) + return 0; + + ir_state = kzalloc(sizeof(struct cx25840_ir_state), GFP_KERNEL); + if (ir_state == NULL) + return -ENOMEM; + + spin_lock_init(&ir_state->rx_kfifo_lock); + if (kfifo_alloc(&ir_state->rx_kfifo, + CX25840_IR_RX_KFIFO_SIZE, GFP_KERNEL)) { + kfree(ir_state); + return -ENOMEM; + } + + ir_state->c = state->c; + state->ir_state = ir_state; + + /* Ensure no interrupts arrive yet */ + if (is_cx23885(state) || is_cx23887(state)) + cx25840_write4(ir_state->c, CX25840_IR_IRQEN_REG, IRQEN_MSK); + else + cx25840_write4(ir_state->c, CX25840_IR_IRQEN_REG, 0); + + mutex_init(&ir_state->rx_params_lock); + memcpy(&default_params, &default_rx_params, + sizeof(struct v4l2_subdev_ir_parameters)); + v4l2_subdev_call(sd, ir, rx_s_parameters, &default_params); + + mutex_init(&ir_state->tx_params_lock); + memcpy(&default_params, &default_tx_params, + sizeof(struct v4l2_subdev_ir_parameters)); + v4l2_subdev_call(sd, ir, tx_s_parameters, &default_params); + + return 0; +} + +int cx25840_ir_remove(struct v4l2_subdev *sd) +{ + struct cx25840_state *state = to_state(sd); + struct cx25840_ir_state *ir_state = to_ir_state(sd); + + if (ir_state == NULL) + return -ENODEV; + + cx25840_ir_rx_shutdown(sd); + cx25840_ir_tx_shutdown(sd); + + kfifo_free(&ir_state->rx_kfifo); + kfree(ir_state); + state->ir_state = NULL; + return 0; +} diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index d951b0f..b984610 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -55,7 +55,7 @@ MODULE_AUTHOR("Jean-François Moine <http://moinejf.free.fr>"); MODULE_DESCRIPTION("GSPCA USB Camera Driver"); MODULE_LICENSE("GPL"); -#define DRIVER_VERSION_NUMBER KERNEL_VERSION(2, 9, 0) +#define DRIVER_VERSION_NUMBER KERNEL_VERSION(2, 10, 0) #ifdef GSPCA_DEBUG int gspca_debug = D_ERR | D_PROBE; @@ -440,10 +440,15 @@ void gspca_frame_add(struct gspca_dev *gspca_dev, frame->v4l2_buf.sequence = ++gspca_dev->sequence; gspca_dev->image = frame->data; gspca_dev->image_len = 0; - } else if (gspca_dev->last_packet_type == DISCARD_PACKET) { - if (packet_type == LAST_PACKET) - gspca_dev->last_packet_type = packet_type; - return; + } else { + switch (gspca_dev->last_packet_type) { + case DISCARD_PACKET: + if (packet_type == LAST_PACKET) + gspca_dev->last_packet_type = packet_type; + return; + case LAST_PACKET: + return; + } } /* append the packet to the frame buffer */ @@ -454,6 +459,12 @@ void gspca_frame_add(struct gspca_dev *gspca_dev, gspca_dev->frsz); packet_type = DISCARD_PACKET; } else { +/* !! image is NULL only when last pkt is LAST or DISCARD + if (gspca_dev->image == NULL) { + err("gspca_frame_add() image == NULL"); + return; + } + */ memcpy(gspca_dev->image + gspca_dev->image_len, data, len); gspca_dev->image_len += len; diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c index ee17b03..3705443 100644 --- a/drivers/media/video/gspca/sonixj.c +++ b/drivers/media/video/gspca/sonixj.c @@ -66,7 +66,11 @@ struct sd { #define BRIDGE_SN9C110 2 #define BRIDGE_SN9C120 3 u8 sensor; /* Type of image sensor chip */ -enum { + u8 i2c_addr; + + u8 jpeg_hdr[JPEG_HDR_SZ]; +}; +enum sensors { SENSOR_ADCM1700, SENSOR_GC0307, SENSOR_HV7131R, @@ -81,10 +85,6 @@ enum { SENSOR_PO2030N, SENSOR_SOI768, SENSOR_SP80708, -} sensors; - u8 i2c_addr; - - u8 jpeg_hdr[JPEG_HDR_SZ]; }; /* V4L2 controls supported by the driver */ diff --git a/drivers/media/video/gspca/sq930x.c b/drivers/media/video/gspca/sq930x.c index 37cee5e..7ae6522 100644 --- a/drivers/media/video/gspca/sq930x.c +++ b/drivers/media/video/gspca/sq930x.c @@ -23,7 +23,6 @@ #define MODULE_NAME "sq930x" #include "gspca.h" -#include "jpeg.h" MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>\n" "Gerard Klaver <gerard at gkall dot hobby dot nl\n" @@ -31,8 +30,6 @@ MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>\n" MODULE_DESCRIPTION("GSPCA/SQ930x USB Camera Driver"); MODULE_LICENSE("GPL"); -#define BULK_TRANSFER_LEN 5128 - /* Structure to hold all of our device specific stuff */ struct sd { struct gspca_dev gspca_dev; /* !! must be the first item */ @@ -40,28 +37,20 @@ struct sd { u16 expo; u8 gain; - u8 quality; /* webcam quality 0..3 */ -#define QUALITY_DEF 1 - - u8 gpio[2]; - - u8 eof_len; u8 do_ctrl; - + u8 gpio[2]; u8 sensor; -enum { + u8 type; +#define Generic 0 +#define Creative_live_motion 1 +}; +enum sensors { SENSOR_ICX098BQ, SENSOR_LZ24BP, SENSOR_MI0360, - SENSOR_MT9V111, + SENSOR_MT9V111, /* = MI360SOC */ SENSOR_OV7660, SENSOR_OV9630, -} sensors; - u8 type; -#define Generic 0 -#define Creative_live_motion 1 - - u8 jpeg_hdr[JPEG_HDR_SZ]; }; static int sd_setexpo(struct gspca_dev *gspca_dev, __s32 val); @@ -78,7 +67,7 @@ static const struct ctrl sd_ctrls[] = { .minimum = 0x0001, .maximum = 0x0fff, .step = 1, -#define EXPO_DEF 0x027d +#define EXPO_DEF 0x0356 .default_value = EXPO_DEF, }, .set = sd_setexpo, @@ -92,7 +81,7 @@ static const struct ctrl sd_ctrls[] = { .minimum = 0x01, .maximum = 0xff, .step = 1, -#define GAIN_DEF 0x61 +#define GAIN_DEF 0x8d .default_value = GAIN_DEF, }, .set = sd_setgain, @@ -101,30 +90,18 @@ static const struct ctrl sd_ctrls[] = { }; static struct v4l2_pix_format vga_mode[] = { - {160, 120, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, - .bytesperline = 160, - .sizeimage = 160 * 120 * 5 / 8 + 590, - .colorspace = V4L2_COLORSPACE_JPEG, - .priv = 0}, - {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, + {320, 240, V4L2_PIX_FMT_SRGGB8, V4L2_FIELD_NONE, .bytesperline = 320, - .sizeimage = 320 * 240 * 4 / 8 + 590, - .colorspace = V4L2_COLORSPACE_JPEG, - .priv = 1}, - {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, + .sizeimage = 320 * 240, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 0}, + {640, 480, V4L2_PIX_FMT_SRGGB8, V4L2_FIELD_NONE, .bytesperline = 640, - .sizeimage = 640 * 480 * 3 / 8 + 590, - .colorspace = V4L2_COLORSPACE_JPEG, - .priv = 2}, + .sizeimage = 640 * 480, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 1}, }; -/* JPEG quality indexed by webcam quality */ -#define QUAL_0 90 -#define QUAL_1 85 -#define QUAL_2 75 -#define QUAL_3 70 -static const u8 quality_tb[4] = { QUAL_0, QUAL_1, QUAL_2, QUAL_3 }; - /* sq930x registers */ #define SQ930_CTRL_UCBUS_IO 0x0001 #define SQ930_CTRL_I2C_IO 0x0002 @@ -302,7 +279,7 @@ static const struct i2c_write_cmd mt9v111_init_0[] = { {0x01, 0x0001}, /* select IFP/SOC registers */ {0x06, 0x300c}, /* operating mode control */ {0x08, 0xcc00}, /* output format control (RGB) */ - {0x01, 0x0004}, /* select core registers */ + {0x01, 0x0004}, /* select sensor core registers */ }; static const struct i2c_write_cmd mt9v111_init_1[] = { {0x03, 0x01e5}, /* window height */ @@ -330,7 +307,8 @@ static const struct i2c_write_cmd mt9v111_init_3[] = { {0x62, 0x0405}, }; static const struct i2c_write_cmd mt9v111_init_4[] = { - {0x05, 0x00ce}, /* horizontal blanking */ +/* {0x05, 0x00ce}, */ + {0x05, 0x005d}, /* horizontal blanking */ }; static const struct ucbus_write_cmd ov7660_start_0[] = { @@ -343,78 +321,58 @@ static const struct ucbus_write_cmd ov9630_start_0[] = { {0xf334, 0x3e}, {0xf335, 0xf8}, {0xf33f, 0x03} }; +/* start parameters indexed by [sensor][mode] */ static const struct cap_s { u8 cc_sizeid; u8 cc_bytes[32]; -} capconfig[4][3] = { +} capconfig[4][2] = { [SENSOR_ICX098BQ] = { - {0, /* JPEG, 160x120 */ + {2, /* Bayer 320x240 */ + {0x05, 0x1f, 0x20, 0x0e, 0x00, 0x9f, 0x02, 0xee, + 0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }, + {4, /* Bayer 640x480 */ {0x01, 0x1f, 0x20, 0x0e, 0x00, 0x9f, 0x02, 0xee, 0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8, - 0x02, 0x8b, 0x00, 0x8b, 0x00, 0x41, 0x01, 0x41, - 0x01, 0x41, 0x01, 0x05, 0x40, 0x01, 0xf0, 0x00} }, - {2, /* JPEG, 320x240 */ - {0x01, 0x1f, 0x20, 0x0e, 0x00, 0x9f, 0x02, 0xee, - 0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8, - 0x02, 0xdf, 0x01, 0x00, 0x00, 0x3f, 0x01, 0x3f, - 0x01, 0x00, 0x00, 0x05, 0x40, 0x01, 0xf0, 0x00} }, - {4, /* JPEG, 640x480 */ - {0x01, 0x22, 0x20, 0x0e, 0x00, 0xa2, 0x02, 0xf0, - 0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8, - 0x07, 0xe1, 0x01, 0xe1, 0x01, 0x3f, 0x01, 0x3f, - 0x01, 0x3f, 0x01, 0x05, 0x80, 0x02, 0xe0, 0x01} }, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }, }, [SENSOR_LZ24BP] = { - {0, /* JPEG, 160x120 */ - {0x01, 0x1f, 0x20, 0x0e, 0x00, 0x9f, 0x02, 0xee, - 0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8, - 0x02, 0x8b, 0x00, 0x8b, 0x00, 0x41, 0x01, 0x41, - 0x01, 0x41, 0x01, 0x05, 0x40, 0x01, 0xf0, 0x00} }, - {2, /* JPEG, 320x240 */ + {2, /* Bayer 320x240 */ + {0x05, 0x22, 0x20, 0x0e, 0x00, 0xa2, 0x02, 0xee, + 0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }, + {4, /* Bayer 640x480 */ {0x01, 0x22, 0x20, 0x0e, 0x00, 0xa2, 0x02, 0xee, 0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8, - 0x02, 0xdf, 0x01, 0x00, 0x00, 0x3f, 0x01, 0x3f, - 0x01, 0x00, 0x00, 0x05, 0x40, 0x01, 0xf0, 0x00} }, - {4, /* JPEG, 640x480 */ - {0x01, 0x22, 0x20, 0x0e, 0x00, 0xa2, 0x02, 0xf0, - 0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8, - 0x07, 0xe1, 0x01, 0xe1, 0x01, 0x3f, 0x01, 0x3f, - 0x01, 0x3f, 0x01, 0x05, 0x80, 0x02, 0xe0, 0x01} }, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }, }, [SENSOR_MI0360] = { - {0, /* JPEG, 160x120 */ - {0x05, 0x3d, 0x20, 0x0b, 0x00, 0xbd, 0x02, 0x0b, - 0x02, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8, - 0x02, 0x01, 0x01, 0x01, 0x01, 0x9f, 0x00, 0x9f, - 0x00, 0x9f, 0x01, 0x05, 0xa0, 0x00, 0x80, 0x00} }, - {2, /* JPEG, 320x240 */ + {2, /* Bayer 320x240 */ + {0x05, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1, + 0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }, + {4, /* Bayer 640x480 */ {0x01, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1, -/*fixme 03 e3 */ 0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8, - 0x02, 0xdf, 0x01, 0x00, 0x00, 0x3f, 0x01, 0x3f, - 0x01, 0x00, 0x00, 0x05, 0x40, 0x01, 0xf0, 0x00} }, - {4, /* JPEG, 640x480 */ - {0x01, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe3, - 0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8, - 0x07, 0xe1, 0x01, 0xe1, 0x01, 0x3f, 0x01, 0x3f, - 0x01, 0x3f, 0x01, 0x05, 0x80, 0x02, 0xe0, 0x01} }, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }, }, [SENSOR_MT9V111] = { - {0, /* JPEG, 160x120 */ - {0x05, 0x3d, 0x20, 0x0b, 0x00, 0xbd, 0x02, 0x0b, - 0x02, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8, - 0x02, 0x01, 0x01, 0x01, 0x01, 0x9f, 0x00, 0x9f, - 0x00, 0x9f, 0x01, 0x05, 0xa0, 0x00, 0x80, 0x00} }, - {2, /* JPEG, 320x240 */ - {0x01, 0x02, 0x20, 0x03, 0x20, 0x82, 0x02, 0xe3, - 0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8, - 0x02, 0xdf, 0x01, 0x00, 0x00, 0x3f, 0x01, 0x3f, - 0x01, 0x00, 0x00, 0x05, 0x40, 0x01, 0xf0, 0x00} }, - {4, /* JPEG, 640x480 */ - {0x01, 0x02, 0x20, 0x03, 0x20, 0x82, 0x02, 0xe3, + {2, /* Bayer 320x240 */ + {0x05, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1, + 0x01, 0x01, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }, + {4, /* Bayer 640x480 */ + {0x01, 0x02, 0x20, 0x01, 0x20, 0x82, 0x02, 0xe1, 0x01, 0x02, 0x00, 0x08, 0x18, 0x12, 0x78, 0xc8, - 0x07, 0xe1, 0x01, 0xe1, 0x01, 0x3f, 0x01, 0x3f, - 0x01, 0x3f, 0x01, 0x05, 0x80, 0x02, 0xe0, 0x01} }, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }, }, }; @@ -864,7 +822,7 @@ static void setexposure(struct gspca_dev *gspca_dev) buf[i++] = 0x35; /* reg = global gain */ buf[i++] = 0x00; /* val H */ buf[i++] = sensor->i2c_dum; - buf[i++] = sd->gain; /* val L */ + buf[i++] = 0x80 + sd->gain / 2; /* val L */ buf[i++] = 0x00; buf[i++] = 0x00; buf[i++] = 0x00; @@ -889,10 +847,7 @@ static int sd_config(struct gspca_dev *gspca_dev, cam->nmodes = ARRAY_SIZE(vga_mode); cam->bulk = 1; - cam->bulk_size = BULK_TRANSFER_LEN; -/* cam->bulk_nurbs = 2; fixme: if no setexpo sync */ - sd->quality = QUALITY_DEF; sd->gain = GAIN_DEF; sd->expo = EXPO_DEF; @@ -945,13 +900,10 @@ static int sd_init(struct gspca_dev *gspca_dev) if (sd->sensor == SENSOR_MI0360) { /* no sensor probe for icam tracer */ - if (gspca_dev->usb_buf[5] == 0xf6) { /* if CMOS */ + if (gspca_dev->usb_buf[5] == 0xf6) /* if CMOS */ sd->sensor = SENSOR_ICX098BQ; - gspca_dev->cam.cam_mode = &vga_mode[1]; - gspca_dev->cam.nmodes = 1; /* only 320x240 */ - } else { + else cmos_probe(gspca_dev); - } } PDEBUG(D_PROBE, "Sensor %s", sensor_tb[sd->sensor].name); @@ -960,51 +912,24 @@ static int sd_init(struct gspca_dev *gspca_dev) return gspca_dev->usb_err; } -/* special function to create the quantization tables of the JPEG header */ -static void sd_jpeg_set_qual(u8 *jpeg_hdr, - int quality) -{ - int i, sc1, sc2; - - quality = quality_tb[quality]; /* convert to JPEG quality */ -/* - * approximative qualities for Y and U/V: - * quant = 0:94%/91% 1:91%/87% 2:82%/73% 3:69%/56% - * should have: - * quant = 0:94%/91% 1:91%/87.5% 2:81.5%/72% 3:69%/54.5% - */ - sc1 = 200 - quality * 2; - quality = quality * 7 / 5 - 40; /* UV quality */ - sc2 = 200 - quality * 2; - for (i = 0; i < 64; i++) { - jpeg_hdr[JPEG_QT0_OFFSET + i] = - (jpeg_head[JPEG_QT0_OFFSET + i] * sc1 + 50) / 100; - jpeg_hdr[JPEG_QT1_OFFSET + i] = - (jpeg_head[JPEG_QT1_OFFSET + i] * sc2 + 50) / 100; - } -} - /* send the start/stop commands to the webcam */ static void send_start(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; const struct cap_s *cap; - int mode, quality; + int mode; mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv; cap = &capconfig[sd->sensor][mode]; - quality = sd->quality; - reg_wb(gspca_dev, (quality << 12) - | 0x0a00 /* 900 for Bayer */ - | SQ930_CTRL_CAP_START, - 0x0500 /* a00 for Bayer */ - | cap->cc_sizeid, + reg_wb(gspca_dev, 0x0900 | SQ930_CTRL_CAP_START, + 0x0a00 | cap->cc_sizeid, cap->cc_bytes, 32); -}; +} + static void send_stop(struct gspca_dev *gspca_dev) { reg_w(gspca_dev, SQ930_CTRL_CAP_STOP, 0); -}; +} /* function called at start time before URB creation */ static int sd_isoc_init(struct gspca_dev *gspca_dev) @@ -1013,6 +938,7 @@ static int sd_isoc_init(struct gspca_dev *gspca_dev) gspca_dev->cam.bulk_nurbs = 1; /* there must be one URB only */ sd->do_ctrl = 0; + gspca_dev->cam.bulk_size = gspca_dev->width * gspca_dev->height + 8; return 0; } @@ -1022,11 +948,6 @@ static int sd_start(struct gspca_dev *gspca_dev) struct sd *sd = (struct sd *) gspca_dev; int mode; - /* initialize the JPEG header */ - jpeg_define(sd->jpeg_hdr, gspca_dev->height, gspca_dev->width, - 0x21); /* JPEG 422 */ - sd_jpeg_set_qual(sd->jpeg_hdr, sd->quality); - bridge_init(sd); global_init(sd, 0); msleep(100); @@ -1071,7 +992,7 @@ static int sd_start(struct gspca_dev *gspca_dev) ARRAY_SIZE(lz24bp_start_2), 6); mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv; - lz24bp_ppl(sd, mode == 2 ? 0x0564 : 0x0310); + lz24bp_ppl(sd, mode == 1 ? 0x0564 : 0x0310); msleep(10); break; case SENSOR_MI0360: @@ -1095,7 +1016,7 @@ static int sd_start(struct gspca_dev *gspca_dev) /* 1st start */ send_start(gspca_dev); msleep(60); - reg_w(gspca_dev, SQ930_CTRL_CAP_STOP, 0x0000); + send_stop(gspca_dev); i2c_write(sd, mi0360_start_4, ARRAY_SIZE(mi0360_start_4)); @@ -1113,7 +1034,7 @@ static int sd_start(struct gspca_dev *gspca_dev) ARRAY_SIZE(mt9v111_init_2)); ucbus_write(gspca_dev, mt9v111_start_1, ARRAY_SIZE(mt9v111_start_1), - 8); + 5); i2c_write(sd, mt9v111_init_3, ARRAY_SIZE(mt9v111_init_3)); i2c_write(sd, mt9v111_init_4, @@ -1125,8 +1046,6 @@ static int sd_start(struct gspca_dev *gspca_dev) out: msleep(1000); - sd->eof_len = 0; /* init packet scan */ - if (sd->sensor == SENSOR_MT9V111) gpio_set(sd, SQ930_GPIO_DFL_LED, SQ930_GPIO_DFL_LED); @@ -1166,94 +1085,17 @@ static void sd_dq_callback(struct gspca_dev *gspca_dev) msleep(100); } -/* move a packet adding 0x00 after 0xff */ -static void add_packet(struct gspca_dev *gspca_dev, - u8 *data, - int len) -{ - int i; - - i = 0; - do { - if (data[i] == 0xff) { - gspca_frame_add(gspca_dev, INTER_PACKET, - data, i + 1); - len -= i; - data += i; - *data = 0x00; - i = 0; - } - } while (++i < len); - gspca_frame_add(gspca_dev, INTER_PACKET, data, len); -} - -/* end a frame and start a new one */ -static void eof_sof(struct gspca_dev *gspca_dev) -{ - struct sd *sd = (struct sd *) gspca_dev; - static const u8 ffd9[] = {0xff, 0xd9}; - - /* if control set, stop bulk transfer */ - if (sd->do_ctrl - && gspca_dev->last_packet_type == INTER_PACKET) - gspca_dev->cam.bulk_nurbs = 0; - gspca_frame_add(gspca_dev, LAST_PACKET, - ffd9, 2); - gspca_frame_add(gspca_dev, FIRST_PACKET, - sd->jpeg_hdr, JPEG_HDR_SZ); -} - static void sd_pkt_scan(struct gspca_dev *gspca_dev, u8 *data, /* isoc packet */ int len) /* iso packet length */ { struct sd *sd = (struct sd *) gspca_dev; - u8 *p; - int l; - - len -= 8; /* ignore last 8 bytes (00 00 55 aa 55 aa 00 00) */ - - /* - * the end/start of frame is indicated by - * 0x00 * 16 - 0xab * 8 - * aligned on 8 bytes boundary - */ - if (sd->eof_len != 0) { /* if 'abababab' in previous pkt */ - if (*((u32 *) data) == 0xabababab) { - /*fixme: should remove previous 0000ababab*/ - eof_sof(gspca_dev); - data += 4; - len -= 4; - } - sd->eof_len = 0; - } - p = data; - l = len; - for (;;) { - if (*((u32 *) p) == 0xabababab) { - if (l < 8) { /* (may be 4 only) */ - sd->eof_len = 1; - break; - } - if (*((u32 *) p + 1) == 0xabababab) { - add_packet(gspca_dev, data, p - data - 16); - /* remove previous zeros */ - eof_sof(gspca_dev); - p += 8; - l -= 8; - if (l <= 0) - return; - len = l; - data = p; - continue; - } - } - p += 4; - l -= 4; - if (l <= 0) - break; - } - add_packet(gspca_dev, data, len); + + if (sd->do_ctrl) + gspca_dev->cam.bulk_nurbs = 0; + gspca_frame_add(gspca_dev, FIRST_PACKET, NULL, 0); + gspca_frame_add(gspca_dev, INTER_PACKET, data, len - 8); + gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0); } static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val) @@ -1291,45 +1133,6 @@ static int sd_getexpo(struct gspca_dev *gspca_dev, __s32 *val) return 0; } -static int sd_set_jcomp(struct gspca_dev *gspca_dev, - struct v4l2_jpegcompression *jcomp) -{ - struct sd *sd = (struct sd *) gspca_dev; - int quality; - - if (jcomp->quality >= (QUAL_0 + QUAL_1) / 2) - quality = 0; - else if (jcomp->quality >= (QUAL_1 + QUAL_2) / 2) - quality = 1; - else if (jcomp->quality >= (QUAL_2 + QUAL_3) / 2) - quality = 2; - else - quality = 3; - - if (quality != sd->quality) { - sd->quality = quality; - if (gspca_dev->streaming) { - send_stop(gspca_dev); - sd_jpeg_set_qual(sd->jpeg_hdr, sd->quality); - msleep(70); - send_start(gspca_dev); - } - } - return gspca_dev->usb_err; -} - -static int sd_get_jcomp(struct gspca_dev *gspca_dev, - struct v4l2_jpegcompression *jcomp) -{ - struct sd *sd = (struct sd *) gspca_dev; - - memset(jcomp, 0, sizeof *jcomp); - jcomp->quality = quality_tb[sd->quality]; - jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT - | V4L2_JPEG_MARKER_DQT; - return 0; -} - /* sub-driver description */ static const struct sd_desc sd_desc = { .name = MODULE_NAME, @@ -1342,8 +1145,6 @@ static const struct sd_desc sd_desc = { .stopN = sd_stopN, .pkt_scan = sd_pkt_scan, .dq_callback = sd_dq_callback, - .get_jcomp = sd_get_jcomp, - .set_jcomp = sd_set_jcomp, }; /* Table of supported USB devices */ diff --git a/drivers/media/video/gspca/t613.c b/drivers/media/video/gspca/t613.c index 2a0f12d..3b3b983 100644 --- a/drivers/media/video/gspca/t613.c +++ b/drivers/media/video/gspca/t613.c @@ -55,12 +55,12 @@ struct sd { u8 effect; u8 sensor; -enum { +}; +enum sensors { SENSOR_OM6802, SENSOR_OTHER, SENSOR_TAS5130A, SENSOR_LT168G, /* must verify if this is the actual model */ -} sensors; }; /* V4L2 controls supported by the driver */ diff --git a/drivers/media/video/gspca/vc032x.c b/drivers/media/video/gspca/vc032x.c index 031266a..b16fd47 100644 --- a/drivers/media/video/gspca/vc032x.c +++ b/drivers/media/video/gspca/vc032x.c @@ -39,6 +39,10 @@ struct sd { u8 vflip; u8 lightfreq; s8 sharpness; + u16 exposure; + u8 gain; + u8 autogain; + u8 backlight; u8 image_offset; @@ -77,6 +81,14 @@ static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val); static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val); static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val); static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val); +static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val); +static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val); +static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val); +static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val); +static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val); +static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val); +static int sd_setbacklight(struct gspca_dev *gspca_dev, __s32 val); +static int sd_getbacklight(struct gspca_dev *gspca_dev, __s32 *val); static const struct ctrl sd_ctrls[] = { #define BRIGHTNESS_IDX 0 @@ -185,6 +197,66 @@ static const struct ctrl sd_ctrls[] = { .set = sd_setsharpness, .get = sd_getsharpness, }, +#define GAIN_IDX 7 + { + { + .id = V4L2_CID_GAIN, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Gain", + .minimum = 0, + .maximum = 78, + .step = 1, +#define GAIN_DEF 0 + .default_value = GAIN_DEF, + }, + .set = sd_setgain, + .get = sd_getgain, + }, +#define EXPOSURE_IDX 8 + { + { + .id = V4L2_CID_EXPOSURE, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Exposure", +#define EXPOSURE_DEF 450 + .minimum = 0, + .maximum = 4095, + .step = 1, + .default_value = EXPOSURE_DEF, + }, + .set = sd_setexposure, + .get = sd_getexposure, + }, +#define AUTOGAIN_IDX 9 + { + { + .id = V4L2_CID_AUTOGAIN, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "Automatic Gain and Exposure", + .minimum = 0, + .maximum = 1, + .step = 1, +#define AUTOGAIN_DEF 1 + .default_value = AUTOGAIN_DEF, + }, + .set = sd_setautogain, + .get = sd_getautogain, + }, +#define BACKLIGHT_IDX 10 + { + { + .id = V4L2_CID_BACKLIGHT_COMPENSATION, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "Backlight Compensation", + .minimum = 0, + .maximum = 15, + .step = 1, +#define BACKLIGHT_DEF 15 + .default_value = BACKLIGHT_DEF, + }, + .set = sd_setbacklight, + .get = sd_getbacklight, + }, }; /* table of the disabled controls */ @@ -192,33 +264,51 @@ static u32 ctrl_dis[] = { /* SENSOR_HV7131R 0 */ (1 << BRIGHTNESS_IDX) | (1 << CONTRAST_IDX) | (1 << COLORS_IDX) | (1 << HFLIP_IDX) | (1 << VFLIP_IDX) | (1 << LIGHTFREQ_IDX) - | (1 << SHARPNESS_IDX), + | (1 << SHARPNESS_IDX) + | (1 << GAIN_IDX) | (1 << EXPOSURE_IDX) + | (1 << AUTOGAIN_IDX) | (1 << BACKLIGHT_IDX), /* SENSOR_MI0360 1 */ (1 << BRIGHTNESS_IDX) | (1 << CONTRAST_IDX) | (1 << COLORS_IDX) | (1 << HFLIP_IDX) | (1 << VFLIP_IDX) | (1 << LIGHTFREQ_IDX) - | (1 << SHARPNESS_IDX), + | (1 << SHARPNESS_IDX) + | (1 << GAIN_IDX) | (1 << EXPOSURE_IDX) + | (1 << AUTOGAIN_IDX) | (1 << BACKLIGHT_IDX), /* SENSOR_MI1310_SOC 2 */ (1 << BRIGHTNESS_IDX) | (1 << CONTRAST_IDX) | (1 << COLORS_IDX) - | (1 << LIGHTFREQ_IDX) | (1 << SHARPNESS_IDX), + | (1 << LIGHTFREQ_IDX) | (1 << SHARPNESS_IDX) + | (1 << GAIN_IDX) | (1 << EXPOSURE_IDX) + | (1 << AUTOGAIN_IDX) | (1 << BACKLIGHT_IDX), /* SENSOR_MI1320 3 */ (1 << BRIGHTNESS_IDX) | (1 << CONTRAST_IDX) | (1 << COLORS_IDX) - | (1 << LIGHTFREQ_IDX) | (1 << SHARPNESS_IDX), + | (1 << LIGHTFREQ_IDX) | (1 << SHARPNESS_IDX) + | (1 << GAIN_IDX) | (1 << EXPOSURE_IDX) + | (1 << AUTOGAIN_IDX) | (1 << BACKLIGHT_IDX), /* SENSOR_MI1320_SOC 4 */ (1 << BRIGHTNESS_IDX) | (1 << CONTRAST_IDX) | (1 << COLORS_IDX) - | (1 << LIGHTFREQ_IDX) | (1 << SHARPNESS_IDX), + | (1 << LIGHTFREQ_IDX) | (1 << SHARPNESS_IDX) + | (1 << GAIN_IDX) | (1 << EXPOSURE_IDX) + | (1 << AUTOGAIN_IDX) | (1 << BACKLIGHT_IDX), /* SENSOR_OV7660 5 */ (1 << BRIGHTNESS_IDX) | (1 << CONTRAST_IDX) | (1 << COLORS_IDX) - | (1 << LIGHTFREQ_IDX) | (1 << SHARPNESS_IDX), + | (1 << LIGHTFREQ_IDX) | (1 << SHARPNESS_IDX) + | (1 << GAIN_IDX) | (1 << EXPOSURE_IDX) + | (1 << AUTOGAIN_IDX) | (1 << BACKLIGHT_IDX), /* SENSOR_OV7670 6 */ (1 << BRIGHTNESS_IDX) | (1 << CONTRAST_IDX) | (1 << COLORS_IDX) - | (1 << SHARPNESS_IDX), + | (1 << SHARPNESS_IDX) + | (1 << GAIN_IDX) | (1 << EXPOSURE_IDX) + | (1 << AUTOGAIN_IDX) | (1 << BACKLIGHT_IDX), /* SENSOR_PO1200 7 */ (1 << BRIGHTNESS_IDX) | (1 << CONTRAST_IDX) | (1 << COLORS_IDX) - | (1 << LIGHTFREQ_IDX), + | (1 << LIGHTFREQ_IDX) + | (1 << GAIN_IDX) | (1 << EXPOSURE_IDX) + | (1 << AUTOGAIN_IDX) | (1 << BACKLIGHT_IDX), /* SENSOR_PO3130NC 8 */ (1 << BRIGHTNESS_IDX) | (1 << CONTRAST_IDX) | (1 << COLORS_IDX) | (1 << HFLIP_IDX) | (1 << VFLIP_IDX) | (1 << LIGHTFREQ_IDX) - | (1 << SHARPNESS_IDX), + | (1 << SHARPNESS_IDX) + | (1 << GAIN_IDX) | (1 << EXPOSURE_IDX) + | (1 << AUTOGAIN_IDX) | (1 << BACKLIGHT_IDX), /* SENSOR_POxxxx 9 */ (1 << HFLIP_IDX) | (1 << VFLIP_IDX) | (1 << LIGHTFREQ_IDX), }; @@ -2825,7 +2915,9 @@ static const u8 poxxxx_init_common[][4] = { {0x00, 0x1e, 0xc6, 0xaa}, {0x00, 0x00, 0x40, 0xdd}, {0x00, 0x1d, 0x05, 0xaa}, - + {} +}; +static const u8 poxxxx_gamma[][4] = { {0x00, 0xd6, 0x22, 0xaa}, /* gamma 0 */ {0x00, 0x73, 0x00, 0xaa}, {0x00, 0x74, 0x0a, 0xaa}, @@ -2867,19 +2959,9 @@ static const u8 poxxxx_init_common[][4] = { {0x00, 0x7c, 0xba, 0xaa}, {0x00, 0x7d, 0xd4, 0xaa}, {0x00, 0x7e, 0xea, 0xaa}, - - {0x00, 0xaa, 0xff, 0xaa}, /* back light comp */ - {0x00, 0xc4, 0x03, 0xaa}, - {0x00, 0xc5, 0x19, 0xaa}, - {0x00, 0xc6, 0x03, 0xaa}, - {0x00, 0xc7, 0x91, 0xaa}, - {0x00, 0xc8, 0x01, 0xaa}, - {0x00, 0xc9, 0xdd, 0xaa}, - {0x00, 0xca, 0x02, 0xaa}, - {0x00, 0xcb, 0x37, 0xaa}, - -/* read d1 */ - {0x00, 0xd1, 0x3c, 0xaa}, + {} +}; +static const u8 poxxxx_init_start_3[][4] = { {0x00, 0xb8, 0x28, 0xaa}, {0x00, 0xb9, 0x1e, 0xaa}, {0x00, 0xb6, 0x14, 0xaa}, @@ -2959,9 +3041,6 @@ static const u8 poxxxx_init_end_1[][4] = { {0x00, 0xb3, 0x08, 0xaa}, {0x00, 0xb4, 0x0b, 0xaa}, {0x00, 0xb5, 0x0d, 0xaa}, - {0x00, 0x59, 0x7e, 0xaa}, /* sharpness */ - {0x00, 0x16, 0x00, 0xaa}, /* white balance */ - {0x00, 0x18, 0x00, 0xaa}, {} }; static const u8 poxxxx_init_end_2[][4] = { @@ -3312,6 +3391,33 @@ static int sd_config(struct gspca_dev *gspca_dev, const struct usb_device_id *id) { struct sd *sd = (struct sd *) gspca_dev; + + sd->bridge = id->driver_info >> 8; + sd->flags = id->driver_info & 0xff; + + if (id->idVendor == 0x046d && + (id->idProduct == 0x0892 || id->idProduct == 0x0896)) + sd->sensor = SENSOR_POxxxx; /* no probe */ + + sd->brightness = BRIGHTNESS_DEF; + sd->contrast = CONTRAST_DEF; + sd->colors = COLOR_DEF; + sd->hflip = HFLIP_DEF; + sd->vflip = VFLIP_DEF; + sd->lightfreq = FREQ_DEF; + sd->sharpness = SHARPNESS_DEF; + sd->gain = GAIN_DEF; + sd->exposure = EXPOSURE_DEF; + sd->autogain = AUTOGAIN_DEF; + sd->backlight = BACKLIGHT_DEF; + + return 0; +} + +/* this function is called at probe and resume time */ +static int sd_init(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; struct cam *cam; int sensor; static u8 npkt[] = { /* number of packets per ISOC message */ @@ -3327,14 +3433,11 @@ static int sd_config(struct gspca_dev *gspca_dev, 128, /* POxxxx 9 */ }; - cam = &gspca_dev->cam; - sd->bridge = id->driver_info >> 8; - sd->flags = id->driver_info & 0xff; - if (id->idVendor == 0x046d && - (id->idProduct == 0x0892 || id->idProduct == 0x0896)) - sensor = SENSOR_POxxxx; - else + if (sd->sensor != SENSOR_POxxxx) sensor = vc032x_probe_sensor(gspca_dev); + else + sensor = sd->sensor; + switch (sensor) { case -1: PDEBUG(D_PROBE, "Unknown sensor..."); @@ -3373,6 +3476,7 @@ static int sd_config(struct gspca_dev *gspca_dev, } sd->sensor = sensor; + cam = &gspca_dev->cam; if (sd->bridge == BRIDGE_VC0321) { cam->cam_mode = vc0321_mode; cam->nmodes = ARRAY_SIZE(vc0321_mode); @@ -3401,28 +3505,11 @@ static int sd_config(struct gspca_dev *gspca_dev, } } cam->npkt = npkt[sd->sensor]; - - sd->brightness = BRIGHTNESS_DEF; - sd->contrast = CONTRAST_DEF; - sd->colors = COLOR_DEF; - sd->hflip = HFLIP_DEF; - sd->vflip = VFLIP_DEF; - sd->lightfreq = FREQ_DEF; - sd->sharpness = SHARPNESS_DEF; - gspca_dev->ctrl_dis = ctrl_dis[sd->sensor]; if (sd->sensor == SENSOR_OV7670) sd->flags |= FL_HFLIP | FL_VFLIP; - return 0; -} - -/* this function is called at probe and resume time */ -static int sd_init(struct gspca_dev *gspca_dev) -{ - struct sd *sd = (struct sd *) gspca_dev; - if (sd->bridge == BRIDGE_VC0321) { reg_r(gspca_dev, 0x8a, 0, 3); reg_w(gspca_dev, 0x87, 0x00, 0x0f0f); @@ -3433,8 +3520,8 @@ static int sd_init(struct gspca_dev *gspca_dev) if (gspca_dev->usb_buf[0] != 0) { reg_w(gspca_dev, 0xa0, 0x26, 0xb300); reg_w(gspca_dev, 0xa0, 0x04, 0xb300); - reg_w(gspca_dev, 0xa0, 0x00, 0xb300); } + reg_w(gspca_dev, 0xa0, 0x00, 0xb300); } } return gspca_dev->usb_err; @@ -3551,6 +3638,82 @@ static void setsharpness(struct gspca_dev *gspca_dev) break; } } +static void setgain(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + + if (gspca_dev->ctrl_dis & (1 << GAIN_IDX)) + return; + i2c_write(gspca_dev, 0x15, &sd->gain, 1); +} + +static void setexposure(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 data; + + if (gspca_dev->ctrl_dis & (1 << EXPOSURE_IDX)) + return; + data = sd->exposure >> 8; + i2c_write(gspca_dev, 0x1a, &data, 1); + data = sd->exposure; + i2c_write(gspca_dev, 0x1b, &data, 1); +} + +static void setautogain(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + static const u8 data[2] = {0x28, 0x3c}; + + if (gspca_dev->ctrl_dis & (1 << AUTOGAIN_IDX)) + return; + i2c_write(gspca_dev, 0xd1, &data[sd->autogain], 1); +} + +static void setgamma(struct gspca_dev *gspca_dev) +{ +/*fixme:to do */ + usb_exchange(gspca_dev, poxxxx_gamma); +} + +static void setbacklight(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + u16 v; + u8 data; + + data = (sd->backlight << 4) | 0x0f; + i2c_write(gspca_dev, 0xaa, &data, 1); + v = 613 + 12 * sd->backlight; + data = v >> 8; + i2c_write(gspca_dev, 0xc4, &data, 1); + data = v; + i2c_write(gspca_dev, 0xc5, &data, 1); + v = 1093 - 12 * sd->backlight; + data = v >> 8; + i2c_write(gspca_dev, 0xc6, &data, 1); + data = v; + i2c_write(gspca_dev, 0xc7, &data, 1); + v = 342 + 9 * sd->backlight; + data = v >> 8; + i2c_write(gspca_dev, 0xc8, &data, 1); + data = v; + i2c_write(gspca_dev, 0xc9, &data, 1); + v = 702 - 9 * sd->backlight; + data = v >> 8; + i2c_write(gspca_dev, 0xca, &data, 1); + data = v; + i2c_write(gspca_dev, 0xcb, &data, 1); +} + +static void setwb(struct gspca_dev *gspca_dev) +{ +/*fixme:to do - valid when reg d1 = 0x1c - (reg16 + reg15 = 0xa3)*/ + static const u8 data[2] = {0x00, 0x00}; + + i2c_write(gspca_dev, 0x16, &data[0], 1); + i2c_write(gspca_dev, 0x18, &data[1], 1); +} static int sd_start(struct gspca_dev *gspca_dev) { @@ -3662,6 +3825,16 @@ static int sd_start(struct gspca_dev *gspca_dev) default: /* case SENSOR_POxxxx: */ usb_exchange(gspca_dev, poxxxx_init_common); + setgamma(gspca_dev); + setbacklight(gspca_dev); + setbrightness(gspca_dev); + setcontrast(gspca_dev); + setcolors(gspca_dev); + setsharpness(gspca_dev); + setautogain(gspca_dev); + setexposure(gspca_dev); + setgain(gspca_dev); + usb_exchange(gspca_dev, poxxxx_init_start_3); if (mode) init = poxxxx_initQVGA; else @@ -3693,7 +3866,6 @@ static int sd_start(struct gspca_dev *gspca_dev) break; } msleep(100); - setsharpness(gspca_dev); sethvflip(gspca_dev); setlightfreq(gspca_dev); } @@ -3704,14 +3876,10 @@ static int sd_start(struct gspca_dev *gspca_dev) reg_w(gspca_dev, 0xa0, 0x0000, 0xbfff); break; case SENSOR_POxxxx: - setcolors(gspca_dev); - setbrightness(gspca_dev); - setcontrast(gspca_dev); - - /* led on */ - msleep(80); - reg_w(gspca_dev, 0x89, 0xffff, 0xfdff); usb_exchange(gspca_dev, poxxxx_init_end_2); + setwb(gspca_dev); + msleep(80); /* led on */ + reg_w(gspca_dev, 0x89, 0xffff, 0xfdff); break; } return gspca_dev->usb_err; @@ -3911,6 +4079,80 @@ static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val) return 0; } +static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + sd->gain = val; + if (gspca_dev->streaming) + setgain(gspca_dev); + return gspca_dev->usb_err; +} + +static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + *val = sd->gain; + return 0; +} + +static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + sd->exposure = val; + if (gspca_dev->streaming) + setexposure(gspca_dev); + return gspca_dev->usb_err; +} + +static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + *val = sd->exposure; + return 0; +} + +static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + sd->autogain = val; + if (gspca_dev->streaming) + setautogain(gspca_dev); + + return gspca_dev->usb_err; +} + +static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + *val = sd->autogain; + return 0; +} + +static int sd_setbacklight(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + sd->backlight = val; + if (gspca_dev->streaming) + setbacklight(gspca_dev); + + return gspca_dev->usb_err; +} + +static int sd_getbacklight(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + *val = sd->backlight; + return 0; +} + static int sd_querymenu(struct gspca_dev *gspca_dev, struct v4l2_querymenu *menu) { diff --git a/drivers/media/video/gspca/zc3xx.c b/drivers/media/video/gspca/zc3xx.c index 4473f0f..0666038 100644 --- a/drivers/media/video/gspca/zc3xx.c +++ b/drivers/media/video/gspca/zc3xx.c @@ -21,7 +21,9 @@ #define MODULE_NAME "zc3xx" +#ifdef CONFIG_INPUT #include <linux/input.h> +#endif #include "gspca.h" #include "jpeg.h" @@ -50,33 +52,38 @@ struct sd { #define QUALITY_MAX 80 #define QUALITY_DEF 70 + u8 bridge; u8 sensor; /* Type of image sensor chip */ -/* !! values used in different tables */ -#define SENSOR_ADCM2700 0 -#define SENSOR_CS2102 1 -#define SENSOR_CS2102K 2 -#define SENSOR_GC0305 3 -#define SENSOR_HDCS2020b 4 -#define SENSOR_HV7131B 5 -#define SENSOR_HV7131C 6 -#define SENSOR_ICM105A 7 -#define SENSOR_MC501CB 8 -#define SENSOR_MI0360SOC 9 -#define SENSOR_OV7620 10 -/*#define SENSOR_OV7648 10 - same values */ -#define SENSOR_OV7630C 11 -#define SENSOR_PAS106 12 -#define SENSOR_PAS202B 13 -#define SENSOR_PB0330 14 /* (MI0360) */ -#define SENSOR_PO2030 15 -#define SENSOR_TAS5130CK 16 -#define SENSOR_TAS5130CXX 17 -#define SENSOR_TAS5130C_VF0250 18 -#define SENSOR_MAX 19 - unsigned short chip_revision; + u16 chip_revision; u8 jpeg_hdr[JPEG_HDR_SZ]; }; +enum bridges { + BRIDGE_ZC301, + BRIDGE_ZC303, +}; +enum sensors { + SENSOR_ADCM2700, + SENSOR_CS2102, + SENSOR_CS2102K, + SENSOR_GC0305, + SENSOR_HDCS2020b, + SENSOR_HV7131B, + SENSOR_HV7131R, + SENSOR_ICM105A, + SENSOR_MC501CB, + SENSOR_MT9V111_1, /* (mi360soc) zc301 */ + SENSOR_MT9V111_3, /* (mi360soc) zc303 */ + SENSOR_OV7620, /* OV7648 - same values */ + SENSOR_OV7630C, + SENSOR_PAS106, + SENSOR_PAS202B, + SENSOR_PB0330, + SENSOR_PO2030, + SENSOR_TAS5130C, + SENSOR_TAS5130C_VF0250, + SENSOR_MAX +}; /* V4L2 controls supported by the driver */ static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val); @@ -2074,6 +2081,7 @@ static const struct usb_action hv7131b_NoFlikerScale[] = { /* 320x240 */ {} }; +/* from lPEPI264v.inf (hv7131b!) */ static const struct usb_action hv7131r_InitialScale[] = { {0xa0, 0x01, ZC3XX_R000_SYSTEMCONTROL}, {0xa0, 0x10, ZC3XX_R002_CLOCKSELECT}, @@ -2081,8 +2089,8 @@ static const struct usb_action hv7131r_InitialScale[] = { {0xa0, 0x01, ZC3XX_R001_SYSTEMOPERATING}, {0xa0, 0x77, ZC3XX_R101_SENSORCORRECTION}, {0xa0, 0x03, ZC3XX_R008_CLOCKSETTING}, - {0xa0, 0x05, ZC3XX_R012_VIDEOCONTROLFUNC}, {0xa0, 0x07, ZC3XX_R012_VIDEOCONTROLFUNC}, + {0xa0, 0x01, ZC3XX_R012_VIDEOCONTROLFUNC}, {0xa0, 0x02, ZC3XX_R003_FRAMEWIDTHHIGH}, {0xa0, 0x80, ZC3XX_R004_FRAMEWIDTHLOW}, {0xa0, 0x01, ZC3XX_R005_FRAMEHEIGHTHIGH}, @@ -2095,6 +2103,8 @@ static const struct usb_action hv7131r_InitialScale[] = { {0xa0, 0x88, ZC3XX_R09E_WINWIDTHLOW}, {0xa0, 0x00, ZC3XX_R11A_FIRSTYLOW}, {0xa0, 0x00, ZC3XX_R11C_FIRSTXLOW}, + {0xa0, 0x07, ZC3XX_R012_VIDEOCONTROLFUNC}, + {0xdd, 0x00, 0x0200}, {0xa0, 0x05, ZC3XX_R012_VIDEOCONTROLFUNC}, {0xaa, 0x01, 0x000c}, {0xaa, 0x11, 0x0000}, @@ -2103,10 +2113,10 @@ static const struct usb_action hv7131r_InitialScale[] = { {0xaa, 0x15, 0x00e8}, {0xaa, 0x16, 0x0002}, {0xaa, 0x17, 0x0088}, - + {0xaa, 0x30, 0x000b}, {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, {0xa0, 0x0d, ZC3XX_R100_OPERATIONMODE}, - {0xa0, 0x89, ZC3XX_R18D_YTARGET}, + {0xa0, 0x78, ZC3XX_R18D_YTARGET}, {0xa0, 0x50, ZC3XX_R1A8_DIGITALGAIN}, {0xa0, 0x00, 0x01ad}, {0xa0, 0xc0, 0x019b}, @@ -2116,96 +2126,44 @@ static const struct usb_action hv7131r_InitialScale[] = { {0xa0, 0x13, ZC3XX_R1CB_SHARPNESS05}, {0xa0, 0x08, ZC3XX_R250_DEADPIXELSMODE}, {0xa0, 0x08, ZC3XX_R301_EEPROMACCESS}, - {0xa1, 0x01, 0x0002}, - {0xa0, 0x00, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x02, ZC3XX_R090_I2CCOMMAND}, - {0xa1, 0x01, 0x0091}, - {0xa1, 0x01, 0x0095}, - {0xa1, 0x01, 0x0096}, - - {0xa1, 0x01, 0x0008}, - {0xa0, 0x03, ZC3XX_R008_CLOCKSETTING}, /* clock ? */ - {0xa0, 0x08, ZC3XX_R1C6_SHARPNESS00}, /* sharpness+ */ - {0xa1, 0x01, 0x01c8}, - {0xa1, 0x01, 0x01c9}, - {0xa1, 0x01, 0x01ca}, - {0xa0, 0x0f, ZC3XX_R1CB_SHARPNESS05}, /* sharpness- */ - - {0xa0, 0x60, ZC3XX_R10A_RGB00}, /* matrix */ - {0xa0, 0xf0, ZC3XX_R10B_RGB01}, - {0xa0, 0xf0, ZC3XX_R10C_RGB02}, - {0xa0, 0xf0, ZC3XX_R10D_RGB10}, - {0xa0, 0x60, ZC3XX_R10E_RGB11}, - {0xa0, 0xf0, ZC3XX_R10F_RGB12}, - {0xa0, 0xf0, ZC3XX_R110_RGB20}, - {0xa0, 0xf0, ZC3XX_R111_RGB21}, - {0xa0, 0x60, ZC3XX_R112_RGB22}, - {0xa1, 0x01, 0x0180}, - {0xa0, 0x10, ZC3XX_R180_AUTOCORRECTENABLE}, - {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, - {0xaa, 0x25, 0x0007}, - {0xaa, 0x26, 0x0053}, - {0xaa, 0x27, 0x0000}, - - {0xa0, 0x10, ZC3XX_R190_EXPOSURELIMITHIGH}, /* 2f */ - {0xa0, 0x04, ZC3XX_R191_EXPOSURELIMITMID}, /* 9b */ - {0xa0, 0x60, ZC3XX_R192_EXPOSURELIMITLOW}, /* 80 */ - {0xa0, 0x01, ZC3XX_R195_ANTIFLICKERHIGH}, - {0xa0, 0xd4, ZC3XX_R196_ANTIFLICKERMID}, - {0xa0, 0xc0, ZC3XX_R197_ANTIFLICKERLOW}, - {0xa0, 0x10, ZC3XX_R18C_AEFREEZE}, - {0xa0, 0x20, ZC3XX_R18F_AEUNFREEZE}, - {0xa0, 0x60, ZC3XX_R1A8_DIGITALGAIN}, - {0xa0, 0x10, ZC3XX_R1A9_DIGITALLIMITDIFF}, - {0xa0, 0x13, ZC3XX_R1AA_DIGITALGAINSTEP}, - {0xa1, 0x01, 0x001d}, - {0xa1, 0x01, 0x001e}, - {0xa1, 0x01, 0x001f}, - {0xa1, 0x01, 0x0020}, - {0xa0, 0x40, ZC3XX_R180_AUTOCORRECTENABLE}, - {0xa1, 0x01, 0x0180}, - {0xa0, 0x42, ZC3XX_R180_AUTOCORRECTENABLE}, {} }; - static const struct usb_action hv7131r_Initial[] = { {0xa0, 0x01, ZC3XX_R000_SYSTEMCONTROL}, - - {0xa0, 0x00, ZC3XX_R002_CLOCKSELECT}, /* diff */ + {0xa0, 0x00, ZC3XX_R002_CLOCKSELECT}, {0xa0, 0x01, ZC3XX_R010_CMOSSENSORSELECT}, {0xa0, 0x01, ZC3XX_R001_SYSTEMOPERATING}, {0xa0, 0x77, ZC3XX_R101_SENSORCORRECTION}, {0xa0, 0x03, ZC3XX_R008_CLOCKSETTING}, - - {0xa0, 0x05, ZC3XX_R012_VIDEOCONTROLFUNC}, {0xa0, 0x07, ZC3XX_R012_VIDEOCONTROLFUNC}, - + {0xa0, 0x01, ZC3XX_R012_VIDEOCONTROLFUNC}, {0xa0, 0x02, ZC3XX_R003_FRAMEWIDTHHIGH}, {0xa0, 0x80, ZC3XX_R004_FRAMEWIDTHLOW}, {0xa0, 0x01, ZC3XX_R005_FRAMEHEIGHTHIGH}, - {0xa0, 0xe0, ZC3XX_R006_FRAMEHEIGHTLOW}, /* 1e0 */ + {0xa0, 0xe0, ZC3XX_R006_FRAMEHEIGHTLOW}, {0xa0, 0x00, ZC3XX_R098_WINYSTARTLOW}, {0xa0, 0x00, ZC3XX_R09A_WINXSTARTLOW}, {0xa0, 0x01, ZC3XX_R09B_WINHEIGHTHIGH}, - {0xa0, 0xe8, ZC3XX_R09C_WINHEIGHTLOW}, + {0xa0, 0xe6, ZC3XX_R09C_WINHEIGHTLOW}, {0xa0, 0x02, ZC3XX_R09D_WINWIDTHHIGH}, - {0xa0, 0x88, ZC3XX_R09E_WINWIDTHLOW}, + {0xa0, 0x86, ZC3XX_R09E_WINWIDTHLOW}, {0xa0, 0x00, ZC3XX_R11A_FIRSTYLOW}, {0xa0, 0x00, ZC3XX_R11C_FIRSTXLOW}, + {0xa0, 0x07, ZC3XX_R012_VIDEOCONTROLFUNC}, + {0xdd, 0x00, 0x0200}, {0xa0, 0x05, ZC3XX_R012_VIDEOCONTROLFUNC}, {0xaa, 0x01, 0x000c}, {0xaa, 0x11, 0x0000}, {0xaa, 0x13, 0x0000}, {0xaa, 0x14, 0x0001}, - {0xaa, 0x15, 0x00e8}, + {0xaa, 0x15, 0x00e6}, {0xaa, 0x16, 0x0002}, - {0xaa, 0x17, 0x0088}, - - {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, /* 00 */ - + {0xaa, 0x17, 0x0086}, + {0xaa, 0x30, 0x000b}, + {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, {0xa0, 0x0d, ZC3XX_R100_OPERATIONMODE}, - {0xa0, 0x89, ZC3XX_R18D_YTARGET}, + {0xa0, 0x78, ZC3XX_R18D_YTARGET}, {0xa0, 0x50, ZC3XX_R1A8_DIGITALGAIN}, {0xa0, 0x00, 0x01ad}, {0xa0, 0xc0, 0x019b}, @@ -2215,58 +2173,114 @@ static const struct usb_action hv7131r_Initial[] = { {0xa0, 0x13, ZC3XX_R1CB_SHARPNESS05}, {0xa0, 0x08, ZC3XX_R250_DEADPIXELSMODE}, {0xa0, 0x08, ZC3XX_R301_EEPROMACCESS}, - {0xa1, 0x01, 0x0002}, - {0xa0, 0x00, ZC3XX_R092_I2CADDRESSSELECT}, - /* read the i2c chips ident */ - {0xa0, 0x02, ZC3XX_R090_I2CCOMMAND}, - {0xa1, 0x01, 0x0091}, - {0xa1, 0x01, 0x0095}, - {0xa1, 0x01, 0x0096}, - - {0xa1, 0x01, 0x0008}, - {0xa0, 0x03, ZC3XX_R008_CLOCKSETTING}, /* clock ? */ - {0xa0, 0x08, ZC3XX_R1C6_SHARPNESS00}, /* sharpness+ */ - {0xa1, 0x01, 0x01c8}, - {0xa1, 0x01, 0x01c9}, - {0xa1, 0x01, 0x01ca}, - {0xa0, 0x0f, ZC3XX_R1CB_SHARPNESS05}, /* sharpness- */ - - {0xa0, 0x60, ZC3XX_R10A_RGB00}, /* matrix */ - {0xa0, 0xf0, ZC3XX_R10B_RGB01}, - {0xa0, 0xf0, ZC3XX_R10C_RGB02}, - {0xa0, 0xf0, ZC3XX_R10D_RGB10}, - {0xa0, 0x60, ZC3XX_R10E_RGB11}, - {0xa0, 0xf0, ZC3XX_R10F_RGB12}, - {0xa0, 0xf0, ZC3XX_R110_RGB20}, - {0xa0, 0xf0, ZC3XX_R111_RGB21}, - {0xa0, 0x60, ZC3XX_R112_RGB22}, - {0xa1, 0x01, 0x0180}, - {0xa0, 0x10, ZC3XX_R180_AUTOCORRECTENABLE}, + {} +}; +static const struct usb_action hv7131r_50HZ[] = { {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, - {0xaa, 0x25, 0x0007}, - {0xaa, 0x26, 0x0053}, - {0xaa, 0x27, 0x0000}, - - {0xa0, 0x10, ZC3XX_R190_EXPOSURELIMITHIGH}, /* 2f */ - {0xa0, 0x04, ZC3XX_R191_EXPOSURELIMITMID}, /* 9b */ - {0xa0, 0x60, ZC3XX_R192_EXPOSURELIMITLOW}, /* 80 */ - + {0xa0, 0x06, ZC3XX_R190_EXPOSURELIMITHIGH}, + {0xa0, 0x68, ZC3XX_R191_EXPOSURELIMITMID}, + {0xa0, 0xa0, ZC3XX_R192_EXPOSURELIMITLOW}, + {0xa0, 0x00, ZC3XX_R195_ANTIFLICKERHIGH}, + {0xa0, 0xea, ZC3XX_R196_ANTIFLICKERMID}, + {0xa0, 0x60, ZC3XX_R197_ANTIFLICKERLOW}, + {0xa0, 0x18, ZC3XX_R18C_AEFREEZE}, + {0xa0, 0x20, ZC3XX_R18F_AEUNFREEZE}, + {0xa0, 0x10, ZC3XX_R1A9_DIGITALLIMITDIFF}, + {0xa0, 0x66, ZC3XX_R1AA_DIGITALGAINSTEP}, + {0xa0, 0x00, ZC3XX_R01D_HSYNC_0}, + {0xa0, 0xd0, ZC3XX_R01E_HSYNC_1}, + {0xa0, 0x00, ZC3XX_R01F_HSYNC_2}, + {0xa0, 0x08, ZC3XX_R020_HSYNC_3}, + {} +}; +static const struct usb_action hv7131r_50HZScale[] = { + {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, + {0xa0, 0x0c, ZC3XX_R190_EXPOSURELIMITHIGH}, + {0xa0, 0xd1, ZC3XX_R191_EXPOSURELIMITMID}, + {0xa0, 0x40, ZC3XX_R192_EXPOSURELIMITLOW}, {0xa0, 0x01, ZC3XX_R195_ANTIFLICKERHIGH}, {0xa0, 0xd4, ZC3XX_R196_ANTIFLICKERMID}, {0xa0, 0xc0, ZC3XX_R197_ANTIFLICKERLOW}, - - {0xa0, 0x10, ZC3XX_R18C_AEFREEZE}, + {0xa0, 0x18, ZC3XX_R18C_AEFREEZE}, {0xa0, 0x20, ZC3XX_R18F_AEUNFREEZE}, - {0xa0, 0x60, ZC3XX_R1A8_DIGITALGAIN}, {0xa0, 0x10, ZC3XX_R1A9_DIGITALLIMITDIFF}, - {0xa0, 0x13, ZC3XX_R1AA_DIGITALGAINSTEP}, - {0xa1, 0x01, 0x001d}, - {0xa1, 0x01, 0x001e}, - {0xa1, 0x01, 0x001f}, - {0xa1, 0x01, 0x0020}, - {0xa0, 0x40, ZC3XX_R180_AUTOCORRECTENABLE}, - {0xa1, 0x01, 0x0180}, - {0xa0, 0x42, ZC3XX_R180_AUTOCORRECTENABLE}, + {0xa0, 0x66, ZC3XX_R1AA_DIGITALGAINSTEP}, + {0xa0, 0x00, ZC3XX_R01D_HSYNC_0}, + {0xa0, 0xd0, ZC3XX_R01E_HSYNC_1}, + {0xa0, 0x00, ZC3XX_R01F_HSYNC_2}, + {0xa0, 0x08, ZC3XX_R020_HSYNC_3}, + {} +}; +static const struct usb_action hv7131r_60HZ[] = { + {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, + {0xa0, 0x06, ZC3XX_R190_EXPOSURELIMITHIGH}, + {0xa0, 0x1a, ZC3XX_R191_EXPOSURELIMITMID}, + {0xa0, 0x80, ZC3XX_R192_EXPOSURELIMITLOW}, + {0xa0, 0x00, ZC3XX_R195_ANTIFLICKERHIGH}, + {0xa0, 0xc3, ZC3XX_R196_ANTIFLICKERMID}, + {0xa0, 0x50, ZC3XX_R197_ANTIFLICKERLOW}, + {0xa0, 0x18, ZC3XX_R18C_AEFREEZE}, + {0xa0, 0x20, ZC3XX_R18F_AEUNFREEZE}, + {0xa0, 0x10, ZC3XX_R1A9_DIGITALLIMITDIFF}, + {0xa0, 0x66, ZC3XX_R1AA_DIGITALGAINSTEP}, + {0xa0, 0x00, ZC3XX_R01D_HSYNC_0}, + {0xa0, 0xd0, ZC3XX_R01E_HSYNC_1}, + {0xa0, 0x00, ZC3XX_R01F_HSYNC_2}, + {0xa0, 0x08, ZC3XX_R020_HSYNC_3}, + {} +}; +static const struct usb_action hv7131r_60HZScale[] = { + {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, + {0xa0, 0x0c, ZC3XX_R190_EXPOSURELIMITHIGH}, + {0xa0, 0x35, ZC3XX_R191_EXPOSURELIMITMID}, + {0xa0, 0x00, ZC3XX_R192_EXPOSURELIMITLOW}, + {0xa0, 0x01, ZC3XX_R195_ANTIFLICKERHIGH}, + {0xa0, 0x86, ZC3XX_R196_ANTIFLICKERMID}, + {0xa0, 0xa0, ZC3XX_R197_ANTIFLICKERLOW}, + {0xa0, 0x18, ZC3XX_R18C_AEFREEZE}, + {0xa0, 0x20, ZC3XX_R18F_AEUNFREEZE}, + {0xa0, 0x10, ZC3XX_R1A9_DIGITALLIMITDIFF}, + {0xa0, 0x66, ZC3XX_R1AA_DIGITALGAINSTEP}, + {0xa0, 0x00, ZC3XX_R01D_HSYNC_0}, + {0xa0, 0xd0, ZC3XX_R01E_HSYNC_1}, + {0xa0, 0x00, ZC3XX_R01F_HSYNC_2}, + {0xa0, 0x08, ZC3XX_R020_HSYNC_3}, + {} +}; +static const struct usb_action hv7131r_NoFliker[] = { + {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, + {0xa0, 0x2f, ZC3XX_R190_EXPOSURELIMITHIGH}, + {0xa0, 0xf8, ZC3XX_R191_EXPOSURELIMITMID}, + {0xa0, 0x00, ZC3XX_R192_EXPOSURELIMITLOW}, + {0xa0, 0x00, ZC3XX_R195_ANTIFLICKERHIGH}, + {0xa0, 0x02, ZC3XX_R196_ANTIFLICKERMID}, + {0xa0, 0x58, ZC3XX_R197_ANTIFLICKERLOW}, + {0xa0, 0x0c, ZC3XX_R18C_AEFREEZE}, + {0xa0, 0x18, ZC3XX_R18F_AEUNFREEZE}, + {0xa0, 0x00, ZC3XX_R1A9_DIGITALLIMITDIFF}, + {0xa0, 0x00, ZC3XX_R1AA_DIGITALGAINSTEP}, + {0xa0, 0x00, ZC3XX_R01D_HSYNC_0}, + {0xa0, 0xd0, ZC3XX_R01E_HSYNC_1}, + {0xa0, 0x00, ZC3XX_R01F_HSYNC_2}, + {0xa0, 0x08, ZC3XX_R020_HSYNC_3}, + {} +}; +static const struct usb_action hv7131r_NoFlikerScale[] = { + {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, + {0xa0, 0x2f, ZC3XX_R190_EXPOSURELIMITHIGH}, + {0xa0, 0xf8, ZC3XX_R191_EXPOSURELIMITMID}, + {0xa0, 0x00, ZC3XX_R192_EXPOSURELIMITLOW}, + {0xa0, 0x00, ZC3XX_R195_ANTIFLICKERHIGH}, + {0xa0, 0x04, ZC3XX_R196_ANTIFLICKERMID}, + {0xa0, 0xb0, ZC3XX_R197_ANTIFLICKERLOW}, + {0xa0, 0x0c, ZC3XX_R18C_AEFREEZE}, + {0xa0, 0x18, ZC3XX_R18F_AEUNFREEZE}, + {0xa0, 0x00, ZC3XX_R1A9_DIGITALLIMITDIFF}, + {0xa0, 0x00, ZC3XX_R1AA_DIGITALGAINSTEP}, + {0xa0, 0x00, ZC3XX_R01D_HSYNC_0}, + {0xa0, 0xd0, ZC3XX_R01E_HSYNC_1}, + {0xa0, 0x00, ZC3XX_R01F_HSYNC_2}, + {0xa0, 0x08, ZC3XX_R020_HSYNC_3}, {} }; @@ -3350,7 +3364,7 @@ static const struct usb_action ov7620_NoFliker[] = { {0xa0, 0x00, ZC3XX_R196_ANTIFLICKERMID}, /* 01,96,00,cc */ {0xa0, 0x01, ZC3XX_R197_ANTIFLICKERLOW}, /* 01,97,01,cc */ /* {0xa0, 0x44, ZC3XX_R002_CLOCKSELECT}, * 00,02,44,cc - - if mode1 (320x240) */ + * if mode1 (320x240) */ /* ?? was {0xa0, 0x00, 0x0039}, * 00,00,00,dd * {0xa1, 0x01, 0x0037}, */ @@ -3439,7 +3453,6 @@ static const struct usb_action ov7630c_InitialScale[] = { {0xa0, 0xf8, ZC3XX_R110_RGB20}, {0xa0, 0xf8, ZC3XX_R111_RGB21}, {0xa0, 0x50, ZC3XX_R112_RGB22}, -/* 0x03, */ {0xa1, 0x01, 0x0008}, {0xa0, 0x03, ZC3XX_R008_CLOCKSETTING}, /* clock ? */ {0xa0, 0x08, ZC3XX_R1C6_SHARPNESS00}, /* sharpness+ */ @@ -3719,7 +3732,7 @@ static const struct usb_action pas106b_InitialScale[] = { /* 176x144 */ {0xaa, 0x0e, 0x0002}, {0xaa, 0x14, 0x0081}, -/* Other registors */ +/* Other registers */ {0xa0, 0x37, ZC3XX_R101_SENSORCORRECTION}, /* Frame retreiving */ {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, @@ -3730,7 +3743,7 @@ static const struct usb_action pas106b_InitialScale[] = { /* 176x144 */ /* Sharpness */ {0xa0, 0x03, ZC3XX_R1C5_SHARPNESSMODE}, {0xa0, 0x13, ZC3XX_R1CB_SHARPNESS05}, -/* Other registors */ +/* Other registers */ {0xa0, 0x0d, ZC3XX_R100_OPERATIONMODE}, /* Auto exposure and white balance */ {0xa0, 0x06, ZC3XX_R189_AWBSTATUS}, @@ -3837,7 +3850,7 @@ static const struct usb_action pas106b_Initial[] = { /* 352x288 */ {0xaa, 0x0e, 0x0002}, {0xaa, 0x14, 0x0081}, -/* Other registors */ +/* Other registers */ {0xa0, 0x37, ZC3XX_R101_SENSORCORRECTION}, /* Frame retreiving */ {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, @@ -3848,7 +3861,7 @@ static const struct usb_action pas106b_Initial[] = { /* 352x288 */ /* Sharpness */ {0xa0, 0x03, ZC3XX_R1C5_SHARPNESSMODE}, {0xa0, 0x13, ZC3XX_R1CB_SHARPNESS05}, -/* Other registors */ +/* Other registers */ {0xa0, 0x0d, ZC3XX_R100_OPERATIONMODE}, /* Auto exposure and white balance */ {0xa0, 0x06, ZC3XX_R189_AWBSTATUS}, @@ -4241,8 +4254,8 @@ static const struct usb_action pas202b_NoFlikerScale[] = { {} }; -/* mi0360soc and pb0330 from vm30x.inf for 0ac8:301b and 0ac8:303b 07/02/13 */ -static const struct usb_action mi0360soc_Initial[] = { /* 640x480 */ +/* mt9v111 (mi0360soc) and pb0330 from vm30x.inf 0ac8:301b 07/02/13 */ +static const struct usb_action mt9v111_1_Initial[] = { /* 640x480 */ {0xa0, 0x01, ZC3XX_R000_SYSTEMCONTROL}, {0xa0, 0x03, ZC3XX_R008_CLOCKSETTING}, {0xa0, 0x0a, ZC3XX_R010_CMOSSENSORSELECT}, @@ -4253,14 +4266,14 @@ static const struct usb_action mi0360soc_Initial[] = { /* 640x480 */ {0xa0, 0xe0, ZC3XX_R006_FRAMEHEIGHTLOW}, {0xa0, 0xdc, ZC3XX_R08B_I2CDEVICEADDR}, {0xa0, 0x01, ZC3XX_R001_SYSTEMOPERATING}, - {0xa0, 0x07, ZC3XX_R012_VIDEOCONTROLFUNC}, /*jfm: was 03*/ -/* {0xa0, 0x01, ZC3XX_R012_VIDEOCONTROLFUNC}, */ + {0xa0, 0x07, ZC3XX_R012_VIDEOCONTROLFUNC}, {0xa0, 0x00, ZC3XX_R098_WINYSTARTLOW}, {0xa0, 0x00, ZC3XX_R09A_WINXSTARTLOW}, {0xa0, 0x00, ZC3XX_R11A_FIRSTYLOW}, {0xa0, 0x00, ZC3XX_R11C_FIRSTXLOW}, {0xa0, 0xdc, ZC3XX_R08B_I2CDEVICEADDR}, {0xdd, 0x00, 0x0200}, + {0xa0, 0x05, ZC3XX_R012_VIDEOCONTROLFUNC}, {0xaa, 0x01, 0x0001}, {0xaa, 0x06, 0x0000}, {0xaa, 0x08, 0x0483}, @@ -4270,18 +4283,18 @@ static const struct usb_action mi0360soc_Initial[] = { /* 640x480 */ {0xaa, 0x03, 0x01e5}, /*jfm: was 01e7*/ {0xaa, 0x04, 0x0285}, /*jfm: was 0287*/ {0xaa, 0x07, 0x3002}, - {0xaa, 0x20, 0x5100}, /*jfm: was 1100*/ - {0xaa, 0x35, 0x507f}, /*jfm: was 0050*/ + {0xaa, 0x20, 0x5100}, + {0xaa, 0x35, 0x507f}, {0xaa, 0x30, 0x0005}, {0xaa, 0x31, 0x0000}, {0xaa, 0x58, 0x0078}, {0xaa, 0x62, 0x0411}, - {0xaa, 0x2b, 0x0028}, + {0xaa, 0x2b, 0x007f}, {0xaa, 0x2c, 0x007f}, /*jfm: was 0030*/ {0xaa, 0x2d, 0x007f}, /*jfm: was 0030*/ {0xaa, 0x2e, 0x007f}, /*jfm: was 0030*/ {0xa0, 0x10, ZC3XX_R087_EXPTIMEMID}, - {0xa0, 0xb7, ZC3XX_R101_SENSORCORRECTION}, /*jfm: was 37*/ + {0xa0, 0xb7, ZC3XX_R101_SENSORCORRECTION}, {0xa0, 0x05, ZC3XX_R012_VIDEOCONTROLFUNC}, {0xa0, 0x0d, ZC3XX_R100_OPERATIONMODE}, {0xa0, 0x06, ZC3XX_R189_AWBSTATUS}, @@ -4291,12 +4304,12 @@ static const struct usb_action mi0360soc_Initial[] = { /* 640x480 */ {0xa0, 0x08, ZC3XX_R250_DEADPIXELSMODE}, {0xa0, 0x08, ZC3XX_R301_EEPROMACCESS}, {0xa0, 0x60, ZC3XX_R1A8_DIGITALGAIN}, - {0xa0, 0x6c, ZC3XX_R18D_YTARGET}, /* jfm: was 78 */ + {0xa0, 0x6c, ZC3XX_R18D_YTARGET}, {0xa0, 0x61, ZC3XX_R116_RGAIN}, {0xa0, 0x65, ZC3XX_R118_BGAIN}, {} }; -static const struct usb_action mi0360soc_InitialScale[] = { /* 320x240 */ +static const struct usb_action mt9v111_1_InitialScale[] = { /* 320x240 */ {0xa0, 0x01, ZC3XX_R000_SYSTEMCONTROL}, {0xa0, 0x03, ZC3XX_R008_CLOCKSETTING}, {0xa0, 0x0a, ZC3XX_R010_CMOSSENSORSELECT}, @@ -4307,14 +4320,14 @@ static const struct usb_action mi0360soc_InitialScale[] = { /* 320x240 */ {0xa0, 0xe0, ZC3XX_R006_FRAMEHEIGHTLOW}, {0xa0, 0xdc, ZC3XX_R08B_I2CDEVICEADDR}, {0xa0, 0x01, ZC3XX_R001_SYSTEMOPERATING}, - {0xa0, 0x07, ZC3XX_R012_VIDEOCONTROLFUNC}, /*jfm: was 03*/ -/* {0xa0, 0x01, ZC3XX_R012_VIDEOCONTROLFUNC}, */ + {0xa0, 0x07, ZC3XX_R012_VIDEOCONTROLFUNC}, {0xa0, 0x00, ZC3XX_R098_WINYSTARTLOW}, {0xa0, 0x00, ZC3XX_R09A_WINXSTARTLOW}, {0xa0, 0x00, ZC3XX_R11A_FIRSTYLOW}, {0xa0, 0x00, ZC3XX_R11C_FIRSTXLOW}, {0xa0, 0xdc, ZC3XX_R08B_I2CDEVICEADDR}, {0xdd, 0x00, 0x0200}, + {0xa0, 0x05, ZC3XX_R012_VIDEOCONTROLFUNC}, {0xaa, 0x01, 0x0001}, {0xaa, 0x06, 0x0000}, {0xaa, 0x08, 0x0483}, @@ -4324,7 +4337,7 @@ static const struct usb_action mi0360soc_InitialScale[] = { /* 320x240 */ {0xaa, 0x03, 0x01e7}, {0xaa, 0x04, 0x0287}, {0xaa, 0x07, 0x3002}, - {0xaa, 0x20, 0x5100}, /*jfm: was 1100*/ + {0xaa, 0x20, 0x5100}, {0xaa, 0x35, 0x007f}, /*jfm: was 0050*/ {0xaa, 0x30, 0x0005}, {0xaa, 0x31, 0x0000}, @@ -4335,7 +4348,7 @@ static const struct usb_action mi0360soc_InitialScale[] = { /* 320x240 */ {0xaa, 0x2d, 0x007f}, /*jfm: was 30*/ {0xaa, 0x2e, 0x007f}, /*jfm: was 28*/ {0xa0, 0x10, ZC3XX_R087_EXPTIMEMID}, - {0xa0, 0xb7, ZC3XX_R101_SENSORCORRECTION}, /*jfm: was 37*/ + {0xa0, 0xb7, ZC3XX_R101_SENSORCORRECTION}, {0xa0, 0x05, ZC3XX_R012_VIDEOCONTROLFUNC}, {0xa0, 0x0d, ZC3XX_R100_OPERATIONMODE}, {0xa0, 0x06, ZC3XX_R189_AWBSTATUS}, @@ -4345,12 +4358,12 @@ static const struct usb_action mi0360soc_InitialScale[] = { /* 320x240 */ {0xa0, 0x08, ZC3XX_R250_DEADPIXELSMODE}, {0xa0, 0x08, ZC3XX_R301_EEPROMACCESS}, {0xa0, 0x60, ZC3XX_R1A8_DIGITALGAIN}, - {0xa0, 0x6c, ZC3XX_R18D_YTARGET}, /*jfm: was 78*/ + {0xa0, 0x6c, ZC3XX_R18D_YTARGET}, {0xa0, 0x61, ZC3XX_R116_RGAIN}, {0xa0, 0x65, ZC3XX_R118_BGAIN}, {} }; -static const struct usb_action mi360soc_AE50HZ[] = { +static const struct usb_action mt9v111_1_AE50HZ[] = { {0xa0, 0x00, ZC3XX_R180_AUTOCORRECTENABLE}, {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, {0xbb, 0x00, 0x0562}, @@ -4373,7 +4386,7 @@ static const struct usb_action mi360soc_AE50HZ[] = { {0xa0, 0x42, ZC3XX_R180_AUTOCORRECTENABLE}, {} }; -static const struct usb_action mi360soc_AE50HZScale[] = { +static const struct usb_action mt9v111_1_AE50HZScale[] = { {0xa0, 0x00, ZC3XX_R180_AUTOCORRECTENABLE}, {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, {0xbb, 0x00, 0x0509}, @@ -4395,11 +4408,11 @@ static const struct usb_action mi360soc_AE50HZScale[] = { {0xa0, 0x42, ZC3XX_R180_AUTOCORRECTENABLE}, {} }; -static const struct usb_action mi360soc_AE60HZ[] = { +static const struct usb_action mt9v111_1_AE60HZ[] = { {0xa0, 0x00, ZC3XX_R180_AUTOCORRECTENABLE}, {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, - {0xbb, 0x00, 0x053d}, - {0xbb, 0x01, 0x096e}, + {0xaa, 0x05, 0x003d}, + {0xaa, 0x09, 0x016e}, {0xa0, 0x00, ZC3XX_R190_EXPOSURELIMITHIGH}, {0xa0, 0x07, ZC3XX_R191_EXPOSURELIMITMID}, {0xa0, 0xdd, ZC3XX_R192_EXPOSURELIMITLOW}, @@ -4418,7 +4431,7 @@ static const struct usb_action mi360soc_AE60HZ[] = { {0xa0, 0x42, ZC3XX_R180_AUTOCORRECTENABLE}, {} }; -static const struct usb_action mi360soc_AE60HZScale[] = { +static const struct usb_action mt9v111_1_AE60HZScale[] = { {0xa0, 0x00, ZC3XX_R180_AUTOCORRECTENABLE}, {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, {0xbb, 0x00, 0x0509}, @@ -4440,7 +4453,7 @@ static const struct usb_action mi360soc_AE60HZScale[] = { {0xa0, 0x42, ZC3XX_R180_AUTOCORRECTENABLE}, {} }; -static const struct usb_action mi360soc_AENoFliker[] = { +static const struct usb_action mt9v111_1_AENoFliker[] = { {0xa0, 0x00, ZC3XX_R180_AUTOCORRECTENABLE}, {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, {0xbb, 0x00, 0x0509}, @@ -4463,7 +4476,7 @@ static const struct usb_action mi360soc_AENoFliker[] = { {0xa0, 0x42, ZC3XX_R180_AUTOCORRECTENABLE}, {} }; -static const struct usb_action mi360soc_AENoFlikerScale[] = { +static const struct usb_action mt9v111_1_AENoFlikerScale[] = { {0xa0, 0x00, ZC3XX_R180_AUTOCORRECTENABLE}, {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, {0xbb, 0x00, 0x0534}, @@ -4486,6 +4499,251 @@ static const struct usb_action mi360soc_AENoFlikerScale[] = { {0xa0, 0x42, ZC3XX_R180_AUTOCORRECTENABLE}, {} }; +/* from usbvm303.inf 0ac8:303b 07/03/25 (3 - tas5130c) */ +static const struct usb_action mt9v111_3_Initial[] = { + {0xa0, 0x01, ZC3XX_R000_SYSTEMCONTROL}, + {0xa0, 0x03, ZC3XX_R008_CLOCKSETTING}, + {0xa0, 0x0a, ZC3XX_R010_CMOSSENSORSELECT}, + {0xa0, 0x04, ZC3XX_R002_CLOCKSELECT}, + {0xa0, 0x02, ZC3XX_R003_FRAMEWIDTHHIGH}, + {0xa0, 0x80, ZC3XX_R004_FRAMEWIDTHLOW}, + {0xa0, 0x01, ZC3XX_R005_FRAMEHEIGHTHIGH}, + {0xa0, 0xe0, ZC3XX_R006_FRAMEHEIGHTLOW}, + {0xa0, 0xdc, ZC3XX_R08B_I2CDEVICEADDR}, + {0xa0, 0x01, ZC3XX_R001_SYSTEMOPERATING}, + {0xa0, 0x07, ZC3XX_R012_VIDEOCONTROLFUNC}, + {0xa0, 0x00, ZC3XX_R098_WINYSTARTLOW}, + {0xa0, 0x00, ZC3XX_R09A_WINXSTARTLOW}, + {0xa0, 0x00, ZC3XX_R11A_FIRSTYLOW}, + {0xa0, 0x00, ZC3XX_R11C_FIRSTXLOW}, + {0xa0, 0xdc, ZC3XX_R08B_I2CDEVICEADDR}, + {0xdd, 0x00, 0x0200}, + {0xa0, 0x05, ZC3XX_R012_VIDEOCONTROLFUNC}, + {0xaa, 0x01, 0x0001}, /* select IFP/SOC registers */ + {0xaa, 0x06, 0x0000}, /* operating mode control */ + {0xaa, 0x08, 0x0483}, /* output format control */ + /* H red first, V red or blue first, + * raw Bayer, auto flicker */ + {0xaa, 0x01, 0x0004}, /* select sensor core registers */ + {0xaa, 0x08, 0x0006}, /* row start */ + {0xaa, 0x02, 0x0011}, /* column start */ + {0xaa, 0x03, 0x01e5}, /* window height - 1 */ + {0xaa, 0x04, 0x0285}, /* window width - 1 */ + {0xaa, 0x07, 0x3002}, /* output control */ + {0xaa, 0x20, 0x1100}, /* read mode: bits 8 & 12 (?) */ + {0xaa, 0x35, 0x007f}, /* global gain */ + {0xaa, 0x30, 0x0005}, + {0xaa, 0x31, 0x0000}, + {0xaa, 0x58, 0x0078}, + {0xaa, 0x62, 0x0411}, + {0xaa, 0x2b, 0x007f}, /* green1 gain */ + {0xaa, 0x2c, 0x007f}, /* blue gain */ + {0xaa, 0x2d, 0x007f}, /* red gain */ + {0xaa, 0x2e, 0x007f}, /* green2 gain */ + {0xa0, 0x10, ZC3XX_R087_EXPTIMEMID}, + {0xa0, 0x37, ZC3XX_R101_SENSORCORRECTION}, + {0xa0, 0x05, ZC3XX_R012_VIDEOCONTROLFUNC}, + {0xa0, 0x0d, ZC3XX_R100_OPERATIONMODE}, + {0xa0, 0x06, ZC3XX_R189_AWBSTATUS}, + {0xa0, 0x00, 0x01ad}, + {0xa0, 0x03, ZC3XX_R1C5_SHARPNESSMODE}, + {0xa0, 0x13, ZC3XX_R1CB_SHARPNESS05}, + {0xa0, 0x08, ZC3XX_R250_DEADPIXELSMODE}, + {0xa0, 0x08, ZC3XX_R301_EEPROMACCESS}, + {0xa0, 0x60, ZC3XX_R1A8_DIGITALGAIN}, + {0xa0, 0x80, ZC3XX_R18D_YTARGET}, + {0xa0, 0x61, ZC3XX_R116_RGAIN}, + {0xa0, 0x65, ZC3XX_R118_BGAIN}, + {} +}; +static const struct usb_action mt9v111_3_InitialScale[] = { + {0xa0, 0x01, ZC3XX_R000_SYSTEMCONTROL}, + {0xa0, 0x03, ZC3XX_R008_CLOCKSETTING}, + {0xa0, 0x0a, ZC3XX_R010_CMOSSENSORSELECT}, + {0xa0, 0x10, ZC3XX_R002_CLOCKSELECT}, + {0xa0, 0x02, ZC3XX_R003_FRAMEWIDTHHIGH}, + {0xa0, 0x80, ZC3XX_R004_FRAMEWIDTHLOW}, + {0xa0, 0x01, ZC3XX_R005_FRAMEHEIGHTHIGH}, + {0xa0, 0xe0, ZC3XX_R006_FRAMEHEIGHTLOW}, + {0xa0, 0xdc, ZC3XX_R08B_I2CDEVICEADDR}, + {0xa0, 0x01, ZC3XX_R001_SYSTEMOPERATING}, + {0xa0, 0x07, ZC3XX_R012_VIDEOCONTROLFUNC}, + {0xa0, 0x00, ZC3XX_R098_WINYSTARTLOW}, + {0xa0, 0x00, ZC3XX_R09A_WINXSTARTLOW}, + {0xa0, 0x00, ZC3XX_R11A_FIRSTYLOW}, + {0xa0, 0x00, ZC3XX_R11C_FIRSTXLOW}, + {0xa0, 0xdc, ZC3XX_R08B_I2CDEVICEADDR}, + {0xdd, 0x00, 0x0200}, + {0xa0, 0x05, ZC3XX_R012_VIDEOCONTROLFUNC}, + {0xaa, 0x01, 0x0001}, + {0xaa, 0x06, 0x0000}, + {0xaa, 0x08, 0x0483}, + {0xaa, 0x01, 0x0004}, + {0xaa, 0x08, 0x0006}, + {0xaa, 0x02, 0x0011}, + {0xaa, 0x03, 0x01e7}, + {0xaa, 0x04, 0x0287}, + {0xaa, 0x07, 0x3002}, + {0xaa, 0x20, 0x1100}, + {0xaa, 0x35, 0x007f}, + {0xaa, 0x30, 0x0005}, + {0xaa, 0x31, 0x0000}, + {0xaa, 0x58, 0x0078}, + {0xaa, 0x62, 0x0411}, + {0xaa, 0x2b, 0x007f}, + {0xaa, 0x2c, 0x007f}, + {0xaa, 0x2d, 0x007f}, + {0xaa, 0x2e, 0x007f}, + {0xa0, 0x10, ZC3XX_R087_EXPTIMEMID}, + {0xa0, 0x37, ZC3XX_R101_SENSORCORRECTION}, + {0xa0, 0x05, ZC3XX_R012_VIDEOCONTROLFUNC}, + {0xa0, 0x0d, ZC3XX_R100_OPERATIONMODE}, + {0xa0, 0x06, ZC3XX_R189_AWBSTATUS}, + {0xa0, 0x00, 0x01ad}, + {0xa0, 0x03, ZC3XX_R1C5_SHARPNESSMODE}, + {0xa0, 0x13, ZC3XX_R1CB_SHARPNESS05}, + {0xa0, 0x08, ZC3XX_R250_DEADPIXELSMODE}, + {0xa0, 0x08, ZC3XX_R301_EEPROMACCESS}, + {0xa0, 0x60, ZC3XX_R1A8_DIGITALGAIN}, + {0xa0, 0x80, ZC3XX_R18D_YTARGET}, + {0xa0, 0x61, ZC3XX_R116_RGAIN}, + {0xa0, 0x65, ZC3XX_R118_BGAIN}, + {} +}; +static const struct usb_action mt9v111_3_AE50HZ[] = { + {0xa0, 0x00, ZC3XX_R180_AUTOCORRECTENABLE}, + {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, + {0xaa, 0x05, 0x0009}, /* horizontal blanking */ + {0xaa, 0x09, 0x01ce}, /* shutter width */ + {0xa0, 0x00, ZC3XX_R190_EXPOSURELIMITHIGH}, + {0xa0, 0x07, ZC3XX_R191_EXPOSURELIMITMID}, + {0xa0, 0xd2, ZC3XX_R192_EXPOSURELIMITLOW}, + {0xa0, 0x00, ZC3XX_R195_ANTIFLICKERHIGH}, + {0xa0, 0x00, ZC3XX_R196_ANTIFLICKERMID}, + {0xa0, 0x9a, ZC3XX_R197_ANTIFLICKERLOW}, + {0xa0, 0x0e, ZC3XX_R18C_AEFREEZE}, + {0xa0, 0x1c, ZC3XX_R18F_AEUNFREEZE}, + {0xa0, 0x14, ZC3XX_R1A9_DIGITALLIMITDIFF}, + {0xa0, 0x24, ZC3XX_R1AA_DIGITALGAINSTEP}, + {0xa0, 0xd7, ZC3XX_R01D_HSYNC_0}, + {0xa0, 0xf4, ZC3XX_R01E_HSYNC_1}, + {0xa0, 0xf9, ZC3XX_R01F_HSYNC_2}, + {0xa0, 0xff, ZC3XX_R020_HSYNC_3}, + {0xa0, 0x42, ZC3XX_R180_AUTOCORRECTENABLE}, + {} +}; +static const struct usb_action mt9v111_3_AE50HZScale[] = { + {0xa0, 0x00, ZC3XX_R180_AUTOCORRECTENABLE}, + {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, + {0xaa, 0x05, 0x0009}, + {0xaa, 0x09, 0x01ce}, + {0xa0, 0x00, ZC3XX_R190_EXPOSURELIMITHIGH}, + {0xa0, 0x07, ZC3XX_R191_EXPOSURELIMITMID}, + {0xa0, 0xd2, ZC3XX_R192_EXPOSURELIMITLOW}, + {0xa0, 0x00, ZC3XX_R195_ANTIFLICKERHIGH}, + {0xa0, 0x00, ZC3XX_R196_ANTIFLICKERMID}, + {0xa0, 0x9a, ZC3XX_R197_ANTIFLICKERLOW}, + {0xa0, 0x0e, ZC3XX_R18C_AEFREEZE}, + {0xa0, 0x1c, ZC3XX_R18F_AEUNFREEZE}, + {0xa0, 0x14, ZC3XX_R1A9_DIGITALLIMITDIFF}, + {0xa0, 0x24, ZC3XX_R1AA_DIGITALGAINSTEP}, + {0xa0, 0xd7, ZC3XX_R01D_HSYNC_0}, + {0xa0, 0xf4, ZC3XX_R01E_HSYNC_1}, + {0xa0, 0xf9, ZC3XX_R01F_HSYNC_2}, + {0xa0, 0xff, ZC3XX_R020_HSYNC_3}, + {0xa0, 0x42, ZC3XX_R180_AUTOCORRECTENABLE}, + {} +}; +static const struct usb_action mt9v111_3_AE60HZ[] = { + {0xa0, 0x00, ZC3XX_R180_AUTOCORRECTENABLE}, + {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, + {0xaa, 0x05, 0x0009}, + {0xaa, 0x09, 0x0083}, + {0xa0, 0x00, ZC3XX_R190_EXPOSURELIMITHIGH}, + {0xa0, 0x07, ZC3XX_R191_EXPOSURELIMITMID}, + {0xa0, 0x8f, ZC3XX_R192_EXPOSURELIMITLOW}, + {0xa0, 0x00, ZC3XX_R195_ANTIFLICKERHIGH}, + {0xa0, 0x00, ZC3XX_R196_ANTIFLICKERMID}, + {0xa0, 0x81, ZC3XX_R197_ANTIFLICKERLOW}, + {0xa0, 0x0e, ZC3XX_R18C_AEFREEZE}, + {0xa0, 0x1c, ZC3XX_R18F_AEUNFREEZE}, + {0xa0, 0x14, ZC3XX_R1A9_DIGITALLIMITDIFF}, + {0xa0, 0x24, ZC3XX_R1AA_DIGITALGAINSTEP}, + {0xa0, 0xd7, ZC3XX_R01D_HSYNC_0}, + {0xa0, 0xf4, ZC3XX_R01E_HSYNC_1}, + {0xa0, 0xf9, ZC3XX_R01F_HSYNC_2}, + {0xa0, 0xff, ZC3XX_R020_HSYNC_3}, + {0xa0, 0x42, ZC3XX_R180_AUTOCORRECTENABLE}, + {} +}; +static const struct usb_action mt9v111_3_AE60HZScale[] = { + {0xa0, 0x00, ZC3XX_R180_AUTOCORRECTENABLE}, + {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, + {0xaa, 0x05, 0x0009}, + {0xaa, 0x09, 0x0083}, + {0xa0, 0x00, ZC3XX_R190_EXPOSURELIMITHIGH}, + {0xa0, 0x07, ZC3XX_R191_EXPOSURELIMITMID}, + {0xa0, 0x8f, ZC3XX_R192_EXPOSURELIMITLOW}, + {0xa0, 0x00, ZC3XX_R195_ANTIFLICKERHIGH}, + {0xa0, 0x00, ZC3XX_R196_ANTIFLICKERMID}, + {0xa0, 0x81, ZC3XX_R197_ANTIFLICKERLOW}, + {0xa0, 0x0e, ZC3XX_R18C_AEFREEZE}, + {0xa0, 0x1c, ZC3XX_R18F_AEUNFREEZE}, + {0xa0, 0x14, ZC3XX_R1A9_DIGITALLIMITDIFF}, + {0xa0, 0x24, ZC3XX_R1AA_DIGITALGAINSTEP}, + {0xa0, 0xd7, ZC3XX_R01D_HSYNC_0}, + {0xa0, 0xf4, ZC3XX_R01E_HSYNC_1}, + {0xa0, 0xf9, ZC3XX_R01F_HSYNC_2}, + {0xa0, 0xff, ZC3XX_R020_HSYNC_3}, + {0xa0, 0x42, ZC3XX_R180_AUTOCORRECTENABLE}, + {} +}; +static const struct usb_action mt9v111_3_AENoFliker[] = { + {0xa0, 0x00, ZC3XX_R180_AUTOCORRECTENABLE}, + {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, + {0xaa, 0x05, 0x0034}, + {0xaa, 0x09, 0x0260}, + {0xa0, 0x00, ZC3XX_R190_EXPOSURELIMITHIGH}, + {0xa0, 0x07, ZC3XX_R191_EXPOSURELIMITMID}, + {0xa0, 0xf0, ZC3XX_R192_EXPOSURELIMITLOW}, + {0xa0, 0x00, ZC3XX_R195_ANTIFLICKERHIGH}, + {0xa0, 0x00, ZC3XX_R196_ANTIFLICKERMID}, + {0xa0, 0x04, ZC3XX_R197_ANTIFLICKERLOW}, + {0xa0, 0x0e, ZC3XX_R18C_AEFREEZE}, + {0xa0, 0x1c, ZC3XX_R18F_AEUNFREEZE}, + {0xa0, 0x00, ZC3XX_R1A9_DIGITALLIMITDIFF}, + {0xa0, 0x00, ZC3XX_R1AA_DIGITALGAINSTEP}, + {0xa0, 0x34, ZC3XX_R01D_HSYNC_0}, + {0xa0, 0x60, ZC3XX_R01E_HSYNC_1}, + {0xa0, 0x90, ZC3XX_R01F_HSYNC_2}, + {0xa0, 0xe0, ZC3XX_R020_HSYNC_3}, + {0xa0, 0x60, ZC3XX_R11D_GLOBALGAIN}, + {0xa0, 0x42, ZC3XX_R180_AUTOCORRECTENABLE}, + {} +}; +static const struct usb_action mt9v111_3_AENoFlikerScale[] = { + {0xa0, 0x00, ZC3XX_R180_AUTOCORRECTENABLE}, + {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, + {0xaa, 0x05, 0x0034}, + {0xaa, 0x09, 0x0260}, + {0xa0, 0x00, ZC3XX_R190_EXPOSURELIMITHIGH}, + {0xa0, 0x07, ZC3XX_R191_EXPOSURELIMITMID}, + {0xa0, 0xf0, ZC3XX_R192_EXPOSURELIMITLOW}, + {0xa0, 0x00, ZC3XX_R195_ANTIFLICKERHIGH}, + {0xa0, 0x00, ZC3XX_R196_ANTIFLICKERMID}, + {0xa0, 0x04, ZC3XX_R197_ANTIFLICKERLOW}, + {0xa0, 0x0e, ZC3XX_R18C_AEFREEZE}, + {0xa0, 0x1c, ZC3XX_R18F_AEUNFREEZE}, + {0xa0, 0x00, ZC3XX_R1A9_DIGITALLIMITDIFF}, + {0xa0, 0x00, ZC3XX_R1AA_DIGITALGAINSTEP}, + {0xa0, 0x34, ZC3XX_R01D_HSYNC_0}, + {0xa0, 0x60, ZC3XX_R01E_HSYNC_1}, + {0xa0, 0x90, ZC3XX_R01F_HSYNC_2}, + {0xa0, 0xe0, ZC3XX_R020_HSYNC_3}, + {0xa0, 0x60, ZC3XX_R11D_GLOBALGAIN}, + {0xa0, 0x42, ZC3XX_R180_AUTOCORRECTENABLE}, + {} +}; static const struct usb_action pb0330_Initial[] = { /* 640x480 */ {0xa0, 0x01, ZC3XX_R000_SYSTEMCONTROL}, @@ -4928,419 +5186,7 @@ static const struct usb_action po2030_NoFliker[] = { {} }; -/* TEST */ -static const struct usb_action tas5130cK_InitialScale[] = { - {0xa0, 0x01, ZC3XX_R000_SYSTEMCONTROL}, - {0xa0, 0x01, 0x003b}, - {0xa0, 0x0e, 0x003a}, - {0xa0, 0x01, 0x0038}, - {0xa0, 0x0b, 0x0039}, - {0xa0, 0x00, 0x0038}, - {0xa0, 0x0b, 0x0039}, - {0xa0, 0x01, ZC3XX_R000_SYSTEMCONTROL}, - {0xa0, 0x03, ZC3XX_R008_CLOCKSETTING}, - {0xa0, 0x0a, ZC3XX_R010_CMOSSENSORSELECT}, - {0xa0, 0x10, ZC3XX_R002_CLOCKSELECT}, - {0xa0, 0x02, ZC3XX_R003_FRAMEWIDTHHIGH}, - {0xa0, 0x80, ZC3XX_R004_FRAMEWIDTHLOW}, - {0xa0, 0x01, ZC3XX_R005_FRAMEHEIGHTHIGH}, - {0xa0, 0xe0, ZC3XX_R006_FRAMEHEIGHTLOW}, - {0xa0, 0xdc, ZC3XX_R08B_I2CDEVICEADDR}, - {0xa0, 0x01, ZC3XX_R001_SYSTEMOPERATING}, - {0xa0, 0x07, ZC3XX_R012_VIDEOCONTROLFUNC}, - {0xa0, 0x00, ZC3XX_R098_WINYSTARTLOW}, - {0xa0, 0x00, ZC3XX_R09A_WINXSTARTLOW}, - {0xa0, 0x00, ZC3XX_R11A_FIRSTYLOW}, - {0xa0, 0x00, ZC3XX_R11C_FIRSTXLOW}, - {0xa0, 0xdc, ZC3XX_R08B_I2CDEVICEADDR}, - {0xa0, 0x05, ZC3XX_R012_VIDEOCONTROLFUNC}, - {0xa0, 0x01, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x01, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x06, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x00, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x08, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x83, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x04, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x01, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x04, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x08, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x06, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x02, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x11, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x03, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0xE7, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x01, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x04, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x87, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x02, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x07, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x02, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x30, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x20, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x00, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x51, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x35, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x7F, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x30, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x05, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x31, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x00, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x58, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x78, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x62, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x11, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x04, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x2B, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x7f, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x2c, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x7f, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x2D, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x7f, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x2e, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x7f, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x10, ZC3XX_R087_EXPTIMEMID}, - {0xa0, 0xb7, ZC3XX_R101_SENSORCORRECTION}, - {0xa0, 0x05, ZC3XX_R012_VIDEOCONTROLFUNC}, - {0xa0, 0x0d, ZC3XX_R100_OPERATIONMODE}, - {0xa0, 0x06, ZC3XX_R189_AWBSTATUS}, - {0xa0, 0x09, 0x01ad}, - {0xa0, 0x03, ZC3XX_R1C5_SHARPNESSMODE}, - {0xa0, 0x13, ZC3XX_R1CB_SHARPNESS05}, - {0xa0, 0x08, ZC3XX_R250_DEADPIXELSMODE}, - {0xa0, 0x08, ZC3XX_R301_EEPROMACCESS}, - {0xa0, 0x60, ZC3XX_R1A8_DIGITALGAIN}, - {0xa0, 0x6c, ZC3XX_R18D_YTARGET}, - {0xa0, 0x61, ZC3XX_R116_RGAIN}, - {0xa0, 0x65, ZC3XX_R118_BGAIN}, - {0xa0, 0x09, 0x01ad}, - {0xa0, 0x15, 0x01ae}, - {0xa0, 0x4c, ZC3XX_R10A_RGB00}, /* matrix */ - {0xa0, 0xf1, ZC3XX_R10B_RGB01}, - {0xa0, 0x03, ZC3XX_R10C_RGB02}, - {0xa0, 0xfe, ZC3XX_R10D_RGB10}, - {0xa0, 0x51, ZC3XX_R10E_RGB11}, - {0xa0, 0xf1, ZC3XX_R10F_RGB12}, - {0xa0, 0xec, ZC3XX_R110_RGB20}, - {0xa0, 0x03, ZC3XX_R111_RGB21}, - {0xa0, 0x51, ZC3XX_R112_RGB22}, - {0xa0, 0x03, ZC3XX_R008_CLOCKSETTING}, - {0xa0, 0x08, ZC3XX_R1C6_SHARPNESS00}, /* sharpness+ */ - {0xa0, 0x0f, ZC3XX_R1CB_SHARPNESS05}, /* sharpness- */ - {0xa0, 0x38, ZC3XX_R120_GAMMA00}, /* gamma > 5 */ - {0xa0, 0x51, ZC3XX_R121_GAMMA01}, - {0xa0, 0x6e, ZC3XX_R122_GAMMA02}, - {0xa0, 0x8c, ZC3XX_R123_GAMMA03}, - {0xa0, 0xa2, ZC3XX_R124_GAMMA04}, - {0xa0, 0xb6, ZC3XX_R125_GAMMA05}, - {0xa0, 0xc8, ZC3XX_R126_GAMMA06}, - {0xa0, 0xd6, ZC3XX_R127_GAMMA07}, - {0xa0, 0xe2, ZC3XX_R128_GAMMA08}, - {0xa0, 0xed, ZC3XX_R129_GAMMA09}, - {0xa0, 0xf5, ZC3XX_R12A_GAMMA0A}, - {0xa0, 0xfc, ZC3XX_R12B_GAMMA0B}, - {0xa0, 0xff, ZC3XX_R12C_GAMMA0C}, - {0xa0, 0xff, ZC3XX_R12D_GAMMA0D}, - {0xa0, 0xff, ZC3XX_R12E_GAMMA0E}, - {0xa0, 0xff, ZC3XX_R12F_GAMMA0F}, - {0xa0, 0x12, ZC3XX_R130_GAMMA10}, - {0xa0, 0x1b, ZC3XX_R131_GAMMA11}, - {0xa0, 0x1d, ZC3XX_R132_GAMMA12}, - {0xa0, 0x1a, ZC3XX_R133_GAMMA13}, - {0xa0, 0x15, ZC3XX_R134_GAMMA14}, - {0xa0, 0x12, ZC3XX_R135_GAMMA15}, - {0xa0, 0x0f, ZC3XX_R136_GAMMA16}, - {0xa0, 0x0d, ZC3XX_R137_GAMMA17}, - {0xa0, 0x0b, ZC3XX_R138_GAMMA18}, - {0xa0, 0x09, ZC3XX_R139_GAMMA19}, - {0xa0, 0x07, ZC3XX_R13A_GAMMA1A}, - {0xa0, 0x05, ZC3XX_R13B_GAMMA1B}, - {0xa0, 0x00, ZC3XX_R13C_GAMMA1C}, - {0xa0, 0x00, ZC3XX_R13D_GAMMA1D}, - {0xa0, 0x00, ZC3XX_R13E_GAMMA1E}, - {0xa0, 0x01, ZC3XX_R13F_GAMMA1F}, - {0xa0, 0x4c, ZC3XX_R10A_RGB00}, /* matrix */ - {0xa0, 0xf1, ZC3XX_R10B_RGB01}, - {0xa0, 0x03, ZC3XX_R10C_RGB02}, - {0xa0, 0xfe, ZC3XX_R10D_RGB10}, - {0xa0, 0x51, ZC3XX_R10E_RGB11}, - {0xa0, 0xf1, ZC3XX_R10F_RGB12}, - {0xa0, 0xec, ZC3XX_R110_RGB20}, - {0xa0, 0x03, ZC3XX_R111_RGB21}, - {0xa0, 0x51, ZC3XX_R112_RGB22}, - {0xa0, 0x10, ZC3XX_R180_AUTOCORRECTENABLE}, - {0xa0, 0x00, ZC3XX_R180_AUTOCORRECTENABLE}, - {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, - {0xa0, 0x05, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x09, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x09, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x34, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x01, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x00, ZC3XX_R190_EXPOSURELIMITHIGH}, - {0xa0, 0x07, ZC3XX_R191_EXPOSURELIMITMID}, - {0xa0, 0xd2, ZC3XX_R192_EXPOSURELIMITLOW}, - {0xa0, 0x00, ZC3XX_R195_ANTIFLICKERHIGH}, - {0xa0, 0x00, ZC3XX_R196_ANTIFLICKERMID}, - {0xa0, 0x9a, ZC3XX_R197_ANTIFLICKERLOW}, - {0xa0, 0x0e, ZC3XX_R18C_AEFREEZE}, - {0xa0, 0x1c, ZC3XX_R18F_AEUNFREEZE}, - {0xa0, 0x14, ZC3XX_R1A9_DIGITALLIMITDIFF}, - {0xa0, 0x66, ZC3XX_R1AA_DIGITALGAINSTEP}, - {0xa0, 0xd7, ZC3XX_R01D_HSYNC_0}, - {0xa0, 0xf4, ZC3XX_R01E_HSYNC_1}, - {0xa0, 0xf9, ZC3XX_R01F_HSYNC_2}, - {0xa0, 0xff, ZC3XX_R020_HSYNC_3}, - {0xa0, 0x42, ZC3XX_R180_AUTOCORRECTENABLE}, - {0xa0, 0x09, 0x01ad}, - {0xa0, 0x15, 0x01ae}, - {0xa0, 0x40, ZC3XX_R180_AUTOCORRECTENABLE}, - {0xa0, 0x42, ZC3XX_R180_AUTOCORRECTENABLE}, - {} -}; - -static const struct usb_action tas5130cK_Initial[] = { - {0xa0, 0x01, ZC3XX_R000_SYSTEMCONTROL}, - {0xa0, 0x01, 0x003b}, - {0xa0, 0x0e, 0x003a}, - {0xa0, 0x01, 0x0038}, - {0xa0, 0x0b, 0x0039}, - {0xa0, 0x00, 0x0038}, - {0xa0, 0x0b, 0x0039}, - {0xa0, 0x01, ZC3XX_R000_SYSTEMCONTROL}, - {0xa0, 0x03, ZC3XX_R008_CLOCKSETTING}, - {0xa0, 0x0a, ZC3XX_R010_CMOSSENSORSELECT}, - {0xa0, 0x00, ZC3XX_R002_CLOCKSELECT}, - {0xa0, 0x02, ZC3XX_R003_FRAMEWIDTHHIGH}, - {0xa0, 0x80, ZC3XX_R004_FRAMEWIDTHLOW}, - {0xa0, 0x01, ZC3XX_R005_FRAMEHEIGHTHIGH}, - {0xa0, 0xe0, ZC3XX_R006_FRAMEHEIGHTLOW}, - {0xa0, 0xdc, ZC3XX_R08B_I2CDEVICEADDR}, - {0xa0, 0x01, ZC3XX_R001_SYSTEMOPERATING}, - {0xa0, 0x07, ZC3XX_R012_VIDEOCONTROLFUNC}, - {0xa0, 0x00, ZC3XX_R098_WINYSTARTLOW}, - {0xa0, 0x00, ZC3XX_R09A_WINXSTARTLOW}, - {0xa0, 0x00, ZC3XX_R11A_FIRSTYLOW}, - {0xa0, 0x00, ZC3XX_R11C_FIRSTXLOW}, - {0xa0, 0xdc, ZC3XX_R08B_I2CDEVICEADDR}, - {0xa0, 0x05, ZC3XX_R012_VIDEOCONTROLFUNC}, - {0xa0, 0x01, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x01, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x06, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x00, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x08, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x83, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x04, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x01, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x04, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x08, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x06, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x02, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x11, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x03, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0xe5, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x01, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x04, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x85, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x02, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x07, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x02, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x30, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x20, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x00, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x51, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x35, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x7F, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x50, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x30, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x05, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x31, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x00, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x58, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x78, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x62, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x11, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x04, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x2B, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x7f, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x2C, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x7F, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x2D, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x7f, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x2e, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x7f, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x10, ZC3XX_R087_EXPTIMEMID}, - {0xa0, 0xb7, ZC3XX_R101_SENSORCORRECTION}, - {0xa0, 0x05, ZC3XX_R012_VIDEOCONTROLFUNC}, - {0xa0, 0x0d, ZC3XX_R100_OPERATIONMODE}, - {0xa0, 0x06, ZC3XX_R189_AWBSTATUS}, - {0xa0, 0x09, 0x01ad}, - {0xa0, 0x03, ZC3XX_R1C5_SHARPNESSMODE}, - {0xa0, 0x13, ZC3XX_R1CB_SHARPNESS05}, - {0xa0, 0x08, ZC3XX_R250_DEADPIXELSMODE}, - {0xa0, 0x08, ZC3XX_R301_EEPROMACCESS}, - {0xa0, 0x60, ZC3XX_R1A8_DIGITALGAIN}, - {0xa0, 0x6c, ZC3XX_R18D_YTARGET}, - {0xa0, 0x61, ZC3XX_R116_RGAIN}, - {0xa0, 0x65, ZC3XX_R118_BGAIN}, - {0xa0, 0x09, 0x01ad}, - {0xa0, 0x15, 0x01ae}, - {0xa0, 0x4c, ZC3XX_R10A_RGB00}, /* matrix */ - {0xa0, 0xf1, ZC3XX_R10B_RGB01}, - {0xa0, 0x03, ZC3XX_R10C_RGB02}, - {0xa0, 0xfe, ZC3XX_R10D_RGB10}, - {0xa0, 0x51, ZC3XX_R10E_RGB11}, - {0xa0, 0xf1, ZC3XX_R10F_RGB12}, - {0xa0, 0xec, ZC3XX_R110_RGB20}, - {0xa0, 0x03, ZC3XX_R111_RGB21}, - {0xa0, 0x51, ZC3XX_R112_RGB22}, - {0xa0, 0x03, ZC3XX_R008_CLOCKSETTING}, - {0xa0, 0x08, ZC3XX_R1C6_SHARPNESS00}, /* sharpness+ */ - {0xa0, 0x0f, ZC3XX_R1CB_SHARPNESS05}, /* sharpness- */ - {0xa0, 0x38, ZC3XX_R120_GAMMA00}, /* gamma > 5 */ - {0xa0, 0x51, ZC3XX_R121_GAMMA01}, - {0xa0, 0x6e, ZC3XX_R122_GAMMA02}, - {0xa0, 0x8c, ZC3XX_R123_GAMMA03}, - {0xa0, 0xa2, ZC3XX_R124_GAMMA04}, - {0xa0, 0xb6, ZC3XX_R125_GAMMA05}, - {0xa0, 0xc8, ZC3XX_R126_GAMMA06}, - {0xa0, 0xd6, ZC3XX_R127_GAMMA07}, - {0xa0, 0xe2, ZC3XX_R128_GAMMA08}, - {0xa0, 0xed, ZC3XX_R129_GAMMA09}, - {0xa0, 0xf5, ZC3XX_R12A_GAMMA0A}, - {0xa0, 0xfc, ZC3XX_R12B_GAMMA0B}, - {0xa0, 0xff, ZC3XX_R12C_GAMMA0C}, - {0xa0, 0xff, ZC3XX_R12D_GAMMA0D}, - {0xa0, 0xff, ZC3XX_R12E_GAMMA0E}, - {0xa0, 0xff, ZC3XX_R12F_GAMMA0F}, - {0xa0, 0x12, ZC3XX_R130_GAMMA10}, - {0xa0, 0x1b, ZC3XX_R131_GAMMA11}, - {0xa0, 0x1d, ZC3XX_R132_GAMMA12}, - {0xa0, 0x1a, ZC3XX_R133_GAMMA13}, - {0xa0, 0x15, ZC3XX_R134_GAMMA14}, - {0xa0, 0x12, ZC3XX_R135_GAMMA15}, - {0xa0, 0x0f, ZC3XX_R136_GAMMA16}, - {0xa0, 0x0d, ZC3XX_R137_GAMMA17}, - {0xa0, 0x0b, ZC3XX_R138_GAMMA18}, - {0xa0, 0x09, ZC3XX_R139_GAMMA19}, - {0xa0, 0x07, ZC3XX_R13A_GAMMA1A}, - {0xa0, 0x05, ZC3XX_R13B_GAMMA1B}, - {0xa0, 0x00, ZC3XX_R13C_GAMMA1C}, - {0xa0, 0x00, ZC3XX_R13D_GAMMA1D}, - {0xa0, 0x00, ZC3XX_R13E_GAMMA1E}, - {0xa0, 0x01, ZC3XX_R13F_GAMMA1F}, - {0xa0, 0x4c, ZC3XX_R10A_RGB00}, /* matrix */ - {0xa0, 0xf1, ZC3XX_R10B_RGB01}, - {0xa0, 0x03, ZC3XX_R10C_RGB02}, - {0xa0, 0xfe, ZC3XX_R10D_RGB10}, - {0xa0, 0x51, ZC3XX_R10E_RGB11}, - {0xa0, 0xf1, ZC3XX_R10F_RGB12}, - {0xa0, 0xec, ZC3XX_R110_RGB20}, - {0xa0, 0x03, ZC3XX_R111_RGB21}, - {0xa0, 0x51, ZC3XX_R112_RGB22}, - {0xa0, 0x10, ZC3XX_R180_AUTOCORRECTENABLE}, - {0xa0, 0x00, ZC3XX_R180_AUTOCORRECTENABLE}, - {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, - {0xa0, 0x05, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0x62, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x00, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x09, ZC3XX_R092_I2CADDRESSSELECT}, - {0xa0, 0xaa, ZC3XX_R093_I2CSETVALUE}, - {0xa0, 0x01, ZC3XX_R094_I2CWRITEACK}, - {0xa0, 0x01, ZC3XX_R090_I2CCOMMAND}, - {0xa0, 0x00, ZC3XX_R190_EXPOSURELIMITHIGH}, - {0xa0, 0x03, ZC3XX_R191_EXPOSURELIMITMID}, - {0xa0, 0x9b, ZC3XX_R192_EXPOSURELIMITLOW}, - {0xa0, 0x00, ZC3XX_R195_ANTIFLICKERHIGH}, - {0xa0, 0x00, ZC3XX_R196_ANTIFLICKERMID}, - {0xa0, 0x47, ZC3XX_R197_ANTIFLICKERLOW}, - {0xa0, 0x0e, ZC3XX_R18C_AEFREEZE}, - {0xa0, 0x1c, ZC3XX_R18F_AEUNFREEZE}, - {0xa0, 0x14, ZC3XX_R1A9_DIGITALLIMITDIFF}, - {0xa0, 0x66, ZC3XX_R1AA_DIGITALGAINSTEP}, - {0xa0, 0x62, ZC3XX_R01D_HSYNC_0}, - {0xa0, 0x90, ZC3XX_R01E_HSYNC_1}, - {0xa0, 0xc8, ZC3XX_R01F_HSYNC_2}, - {0xa0, 0xff, ZC3XX_R020_HSYNC_3}, - {0xa0, 0x60, ZC3XX_R11D_GLOBALGAIN}, - {0xa0, 0x42, ZC3XX_R180_AUTOCORRECTENABLE}, - {0xa0, 0x09, 0x01ad}, - {0xa0, 0x15, 0x01ae}, - {0xa0, 0x40, ZC3XX_R180_AUTOCORRECTENABLE}, - {0xa0, 0x42, ZC3XX_R180_AUTOCORRECTENABLE}, - {0xa0, 0x30, 0x0007}, - {0xa0, 0x02, ZC3XX_R008_CLOCKSETTING}, - {0xa0, 0x00, 0x0007}, - {0xa0, 0x03, ZC3XX_R008_CLOCKSETTING}, - {} -}; - -static const struct usb_action tas5130cxx_InitialScale[] = { /* 320x240 */ +static const struct usb_action tas5130c_InitialScale[] = { /* 320x240 */ {0xa0, 0x01, ZC3XX_R000_SYSTEMCONTROL}, {0xa0, 0x50, ZC3XX_R002_CLOCKSELECT}, {0xa0, 0x03, ZC3XX_R008_CLOCKSETTING}, @@ -5377,7 +5223,7 @@ static const struct usb_action tas5130cxx_InitialScale[] = { /* 320x240 */ {0xa0, 0x02, ZC3XX_R0A6_EXPOSUREBLACKLVL}, {} }; -static const struct usb_action tas5130cxx_Initial[] = { /* 640x480 */ +static const struct usb_action tas5130c_Initial[] = { /* 640x480 */ {0xa0, 0x01, ZC3XX_R000_SYSTEMCONTROL}, {0xa0, 0x40, ZC3XX_R002_CLOCKSELECT}, {0xa0, 0x00, ZC3XX_R008_CLOCKSETTING}, @@ -5413,7 +5259,7 @@ static const struct usb_action tas5130cxx_Initial[] = { /* 640x480 */ {0xa0, 0x02, ZC3XX_R0A6_EXPOSUREBLACKLVL}, {} }; -static const struct usb_action tas5130cxx_50HZ[] = { +static const struct usb_action tas5130c_50HZ[] = { {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, /* 00,19,00,cc */ {0xaa, 0xa3, 0x0001}, /* 00,a3,01,aa */ {0xaa, 0xa4, 0x0063}, /* 00,a4,63,aa */ @@ -5438,7 +5284,7 @@ static const struct usb_action tas5130cxx_50HZ[] = { {0xa0, 0x50, ZC3XX_R11D_GLOBALGAIN}, {} }; -static const struct usb_action tas5130cxx_50HZScale[] = { +static const struct usb_action tas5130c_50HZScale[] = { {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, /* 00,19,00,cc */ {0xaa, 0xa3, 0x0001}, /* 00,a3,01,aa */ {0xaa, 0xa4, 0x0077}, /* 00,a4,77,aa */ @@ -5463,7 +5309,7 @@ static const struct usb_action tas5130cxx_50HZScale[] = { {0xa0, 0x50, ZC3XX_R11D_GLOBALGAIN}, {} }; -static const struct usb_action tas5130cxx_60HZ[] = { +static const struct usb_action tas5130c_60HZ[] = { {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, /* 00,19,00,cc */ {0xaa, 0xa3, 0x0001}, /* 00,a3,01,aa */ {0xaa, 0xa4, 0x0036}, /* 00,a4,36,aa */ @@ -5488,7 +5334,7 @@ static const struct usb_action tas5130cxx_60HZ[] = { {0xa0, 0x50, ZC3XX_R11D_GLOBALGAIN}, {} }; -static const struct usb_action tas5130cxx_60HZScale[] = { +static const struct usb_action tas5130c_60HZScale[] = { {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, /* 00,19,00,cc */ {0xaa, 0xa3, 0x0001}, /* 00,a3,01,aa */ {0xaa, 0xa4, 0x0077}, /* 00,a4,77,aa */ @@ -5513,7 +5359,7 @@ static const struct usb_action tas5130cxx_60HZScale[] = { {0xa0, 0x50, ZC3XX_R11D_GLOBALGAIN}, {} }; -static const struct usb_action tas5130cxx_NoFliker[] = { +static const struct usb_action tas5130c_NoFliker[] = { {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, /* 00,19,00,cc */ {0xaa, 0xa3, 0x0001}, /* 00,a3,01,aa */ {0xaa, 0xa4, 0x0040}, /* 00,a4,40,aa */ @@ -5539,7 +5385,7 @@ static const struct usb_action tas5130cxx_NoFliker[] = { {} }; -static const struct usb_action tas5130cxx_NoFlikerScale[] = { +static const struct usb_action tas5130c_NoFlikerScale[] = { {0xa0, 0x00, ZC3XX_R019_AUTOADJUSTFPS}, /* 00,19,00,cc */ {0xaa, 0xa3, 0x0001}, /* 00,a3,01,aa */ {0xaa, 0xa4, 0x0090}, /* 00,a4,90,aa */ @@ -5840,13 +5686,22 @@ static const struct usb_action tas5130c_vf0250_NoFliker[] = { static u8 reg_r_i(struct gspca_dev *gspca_dev, u16 index) { - usb_control_msg(gspca_dev->dev, + int ret; + + if (gspca_dev->usb_err < 0) + return 0; + ret = usb_control_msg(gspca_dev->dev, usb_rcvctrlpipe(gspca_dev->dev, 0), 0xa1, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 0x01, /* value */ index, gspca_dev->usb_buf, 1, 500); + if (ret < 0) { + PDEBUG(D_ERR, "reg_r_i err %d", ret); + gspca_dev->usb_err = ret; + return 0; + } return gspca_dev->usb_buf[0]; } @@ -5860,24 +5715,32 @@ static u8 reg_r(struct gspca_dev *gspca_dev, return ret; } -static void reg_w_i(struct usb_device *dev, +static void reg_w_i(struct gspca_dev *gspca_dev, u8 value, u16 index) { - usb_control_msg(dev, - usb_sndctrlpipe(dev, 0), + int ret; + + if (gspca_dev->usb_err < 0) + return; + ret = usb_control_msg(gspca_dev->dev, + usb_sndctrlpipe(gspca_dev->dev, 0), 0xa0, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, value, index, NULL, 0, 500); + if (ret < 0) { + PDEBUG(D_ERR, "reg_w_i err %d", ret); + gspca_dev->usb_err = ret; + } } -static void reg_w(struct usb_device *dev, +static void reg_w(struct gspca_dev *gspca_dev, u8 value, u16 index) { PDEBUG(D_USBO, "reg w [%04x] = %02x", index, value); - reg_w_i(dev, value, index); + reg_w_i(gspca_dev, value, index); } static u16 i2c_read(struct gspca_dev *gspca_dev, @@ -5886,8 +5749,10 @@ static u16 i2c_read(struct gspca_dev *gspca_dev, u8 retbyte; u16 retval; - reg_w_i(gspca_dev->dev, reg, 0x0092); - reg_w_i(gspca_dev->dev, 0x02, 0x0090); /* <- read command */ + if (gspca_dev->usb_err < 0) + return 0; + reg_w_i(gspca_dev, reg, 0x0092); + reg_w_i(gspca_dev, 0x02, 0x0090); /* <- read command */ msleep(20); retbyte = reg_r_i(gspca_dev, 0x0091); /* read status */ if (retbyte != 0x00) @@ -5906,10 +5771,12 @@ static u8 i2c_write(struct gspca_dev *gspca_dev, { u8 retbyte; - reg_w_i(gspca_dev->dev, reg, 0x92); - reg_w_i(gspca_dev->dev, valL, 0x93); - reg_w_i(gspca_dev->dev, valH, 0x94); - reg_w_i(gspca_dev->dev, 0x01, 0x90); /* <- write command */ + if (gspca_dev->usb_err < 0) + return 0; + reg_w_i(gspca_dev, reg, 0x92); + reg_w_i(gspca_dev, valL, 0x93); + reg_w_i(gspca_dev, valH, 0x94); + reg_w_i(gspca_dev, 0x01, 0x90); /* <- write command */ msleep(1); retbyte = reg_r_i(gspca_dev, 0x0091); /* read status */ if (retbyte != 0x00) @@ -5925,7 +5792,7 @@ static void usb_exchange(struct gspca_dev *gspca_dev, while (action->req) { switch (action->req) { case 0xa0: /* write register */ - reg_w(gspca_dev->dev, action->val, action->idx); + reg_w(gspca_dev, action->val, action->idx); break; case 0xa1: /* read status */ reg_r(gspca_dev, action->idx); @@ -5974,38 +5841,37 @@ static void setmatrix(struct gspca_dev *gspca_dev) static const u8 vf0250_matrix[9] = {0x7b, 0xea, 0xea, 0xea, 0x7b, 0xea, 0xea, 0xea, 0x7b}; static const u8 *matrix_tb[SENSOR_MAX] = { - adcm2700_matrix, /* SENSOR_ADCM2700 0 */ - ov7620_matrix, /* SENSOR_CS2102 1 */ - NULL, /* SENSOR_CS2102K 2 */ - gc0305_matrix, /* SENSOR_GC0305 3 */ - NULL, /* SENSOR_HDCS2020b 4 */ - NULL, /* SENSOR_HV7131B 5 */ - NULL, /* SENSOR_HV7131C 6 */ - NULL, /* SENSOR_ICM105A 7 */ - NULL, /* SENSOR_MC501CB 8 */ - gc0305_matrix, /* SENSOR_MI0360SOC 9 */ - ov7620_matrix, /* SENSOR_OV7620 10 */ - NULL, /* SENSOR_OV7630C 11 */ - NULL, /* SENSOR_PAS106 12 */ - pas202b_matrix, /* SENSOR_PAS202B 13 */ - gc0305_matrix, /* SENSOR_PB0330 14 */ - po2030_matrix, /* SENSOR_PO2030 15 */ - NULL, /* SENSOR_TAS5130CK 16 */ - tas5130c_matrix, /* SENSOR_TAS5130CXX 17 */ - vf0250_matrix, /* SENSOR_TAS5130C_VF0250 18 */ + [SENSOR_ADCM2700] = adcm2700_matrix, + [SENSOR_CS2102] = ov7620_matrix, + [SENSOR_CS2102K] = NULL, + [SENSOR_GC0305] = gc0305_matrix, + [SENSOR_HDCS2020b] = NULL, + [SENSOR_HV7131B] = NULL, + [SENSOR_HV7131R] = NULL, + [SENSOR_ICM105A] = po2030_matrix, + [SENSOR_MC501CB] = NULL, + [SENSOR_MT9V111_1] = gc0305_matrix, + [SENSOR_MT9V111_3] = gc0305_matrix, + [SENSOR_OV7620] = ov7620_matrix, + [SENSOR_OV7630C] = NULL, + [SENSOR_PAS106] = NULL, + [SENSOR_PAS202B] = pas202b_matrix, + [SENSOR_PB0330] = gc0305_matrix, + [SENSOR_PO2030] = po2030_matrix, + [SENSOR_TAS5130C] = tas5130c_matrix, + [SENSOR_TAS5130C_VF0250] = vf0250_matrix, }; matrix = matrix_tb[sd->sensor]; if (matrix == NULL) return; /* matrix already loaded */ for (i = 0; i < ARRAY_SIZE(ov7620_matrix); i++) - reg_w(gspca_dev->dev, matrix[i], 0x010a + i); + reg_w(gspca_dev, matrix[i], 0x010a + i); } static void setsharpness(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; - struct usb_device *dev = gspca_dev->dev; int sharpness; static const u8 sharpness_tb[][2] = { {0x02, 0x03}, @@ -6015,17 +5881,16 @@ static void setsharpness(struct gspca_dev *gspca_dev) }; sharpness = sd->sharpness; - reg_w(dev, sharpness_tb[sharpness][0], 0x01c6); + reg_w(gspca_dev, sharpness_tb[sharpness][0], 0x01c6); reg_r(gspca_dev, 0x01c8); reg_r(gspca_dev, 0x01c9); reg_r(gspca_dev, 0x01ca); - reg_w(dev, sharpness_tb[sharpness][1], 0x01cb); + reg_w(gspca_dev, sharpness_tb[sharpness][1], 0x01cb); } static void setcontrast(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; - struct usb_device *dev = gspca_dev->dev; const u8 *Tgamma; int g, i, brightness, contrast, adj, gp1, gp2; u8 gr[16]; @@ -6063,7 +5928,7 @@ static void setcontrast(struct gspca_dev *gspca_dev) g = 0xff; else if (g < 0) g = 0; - reg_w(dev, g, 0x0120 + i); /* gamma */ + reg_w(gspca_dev, g, 0x0120 + i); /* gamma */ if (contrast > 0) adj--; else if (contrast < 0) @@ -6077,13 +5942,12 @@ static void setcontrast(struct gspca_dev *gspca_dev) } gr[15] = (0xff - gp2) / 2; for (i = 0; i < 16; i++) - reg_w(dev, gr[i], 0x0130 + i); /* gradient */ + reg_w(gspca_dev, gr[i], 0x0130 + i); /* gradient */ } static void setquality(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; - struct usb_device *dev = gspca_dev->dev; u8 frxt; switch (sd->sensor) { @@ -6096,9 +5960,9 @@ static void setquality(struct gspca_dev *gspca_dev) return; } /*fixme: is it really 0008 0007 0018 for all other sensors? */ - reg_w(dev, QUANT_VAL, 0x0008); + reg_w(gspca_dev, QUANT_VAL, 0x0008); frxt = 0x30; - reg_w(dev, frxt, 0x0007); + reg_w(gspca_dev, frxt, 0x0007); #if QUANT_VAL == 0 || QUANT_VAL == 1 || QUANT_VAL == 2 frxt = 0xff; #elif QUANT_VAL == 3 @@ -6108,7 +5972,7 @@ static void setquality(struct gspca_dev *gspca_dev) #else frxt = 0x20; #endif - reg_w(dev, frxt, 0x0018); + reg_w(gspca_dev, frxt, 0x0018); } /* Matches the sensor's internal frame rate to the lighting frequency. @@ -6116,87 +5980,86 @@ static void setquality(struct gspca_dev *gspca_dev) * 50Hz, for European and Asian lighting (default) * 60Hz, for American lighting * 0 = No Fliker (for outdoore usage) - * Returns: 0 for success */ -static int setlightfreq(struct gspca_dev *gspca_dev) +static void setlightfreq(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; int i, mode; const struct usb_action *zc3_freq; static const struct usb_action *freq_tb[SENSOR_MAX][6] = { -/* SENSOR_ADCM2700 0 */ + [SENSOR_ADCM2700] = {adcm2700_NoFliker, adcm2700_NoFliker, adcm2700_50HZ, adcm2700_50HZ, adcm2700_60HZ, adcm2700_60HZ}, -/* SENSOR_CS2102 1 */ + [SENSOR_CS2102] = {cs2102_NoFliker, cs2102_NoFlikerScale, cs2102_50HZ, cs2102_50HZScale, cs2102_60HZ, cs2102_60HZScale}, -/* SENSOR_CS2102K 2 */ + [SENSOR_CS2102K] = {cs2102_NoFliker, cs2102_NoFlikerScale, NULL, NULL, /* currently disabled */ NULL, NULL}, -/* SENSOR_GC0305 3 */ + [SENSOR_GC0305] = {gc0305_NoFliker, gc0305_NoFliker, gc0305_50HZ, gc0305_50HZ, gc0305_60HZ, gc0305_60HZ}, -/* SENSOR_HDCS2020b 4 */ + [SENSOR_HDCS2020b] = {hdcs2020b_NoFliker, hdcs2020b_NoFliker, hdcs2020b_50HZ, hdcs2020b_50HZ, hdcs2020b_60HZ, hdcs2020b_60HZ}, -/* SENSOR_HV7131B 5 */ + [SENSOR_HV7131B] = {hv7131b_NoFliker, hv7131b_NoFlikerScale, hv7131b_50HZ, hv7131b_50HZScale, hv7131b_60HZ, hv7131b_60HZScale}, -/* SENSOR_HV7131C 6 */ - {NULL, NULL, - NULL, NULL, - NULL, NULL}, -/* SENSOR_ICM105A 7 */ + [SENSOR_HV7131R] = + {hv7131r_NoFliker, hv7131r_NoFlikerScale, + hv7131r_50HZ, hv7131r_50HZScale, + hv7131r_60HZ, hv7131r_60HZScale}, + [SENSOR_ICM105A] = {icm105a_NoFliker, icm105a_NoFlikerScale, icm105a_50HZ, icm105a_50HZScale, icm105a_60HZ, icm105a_60HZScale}, -/* SENSOR_MC501CB 8 */ + [SENSOR_MC501CB] = {mc501cb_NoFliker, mc501cb_NoFlikerScale, mc501cb_50HZ, mc501cb_50HZScale, mc501cb_60HZ, mc501cb_60HZScale}, -/* SENSOR_MI0360SOC 9 */ - {mi360soc_AENoFliker, mi360soc_AENoFlikerScale, - mi360soc_AE50HZ, mi360soc_AE50HZScale, - mi360soc_AE60HZ, mi360soc_AE60HZScale}, -/* SENSOR_OV7620 10 */ + [SENSOR_MT9V111_1] = + {mt9v111_1_AENoFliker, mt9v111_1_AENoFlikerScale, + mt9v111_1_AE50HZ, mt9v111_1_AE50HZScale, + mt9v111_1_AE60HZ, mt9v111_1_AE60HZScale}, + [SENSOR_MT9V111_3] = + {mt9v111_3_AENoFliker, mt9v111_3_AENoFlikerScale, + mt9v111_3_AE50HZ, mt9v111_3_AE50HZScale, + mt9v111_3_AE60HZ, mt9v111_3_AE60HZScale}, + [SENSOR_OV7620] = {ov7620_NoFliker, ov7620_NoFliker, ov7620_50HZ, ov7620_50HZ, ov7620_60HZ, ov7620_60HZ}, -/* SENSOR_OV7630C 11 */ + [SENSOR_OV7630C] = {NULL, NULL, NULL, NULL, NULL, NULL}, -/* SENSOR_PAS106 12 */ + [SENSOR_PAS106] = {pas106b_NoFliker, pas106b_NoFliker, pas106b_50HZ, pas106b_50HZ, pas106b_60HZ, pas106b_60HZ}, -/* SENSOR_PAS202B 13 */ + [SENSOR_PAS202B] = {pas202b_NoFliker, pas202b_NoFlikerScale, pas202b_50HZ, pas202b_50HZScale, pas202b_60HZ, pas202b_60HZScale}, -/* SENSOR_PB0330 14 */ + [SENSOR_PB0330] = {pb0330_NoFliker, pb0330_NoFlikerScale, pb0330_50HZ, pb0330_50HZScale, pb0330_60HZ, pb0330_60HZScale}, -/* SENSOR_PO2030 15 */ + [SENSOR_PO2030] = {po2030_NoFliker, po2030_NoFliker, po2030_50HZ, po2030_50HZ, po2030_60HZ, po2030_60HZ}, -/* SENSOR_TAS5130CK 16 */ - {tas5130cxx_NoFliker, tas5130cxx_NoFlikerScale, - tas5130cxx_50HZ, tas5130cxx_50HZScale, - tas5130cxx_60HZ, tas5130cxx_60HZScale}, -/* SENSOR_TAS5130CXX 17 */ - {tas5130cxx_NoFliker, tas5130cxx_NoFlikerScale, - tas5130cxx_50HZ, tas5130cxx_50HZScale, - tas5130cxx_60HZ, tas5130cxx_60HZScale}, -/* SENSOR_TAS5130C_VF0250 18 */ + [SENSOR_TAS5130C] = + {tas5130c_NoFliker, tas5130c_NoFlikerScale, + tas5130c_50HZ, tas5130c_50HZScale, + tas5130c_60HZ, tas5130c_60HZScale}, + [SENSOR_TAS5130C_VF0250] = {tas5130c_vf0250_NoFliker, tas5130c_vf0250_NoFlikerScale, tas5130c_vf0250_50HZ, tas5130c_vf0250_50HZScale, tas5130c_vf0250_60HZ, tas5130c_vf0250_60HZScale}, @@ -6207,29 +6070,28 @@ static int setlightfreq(struct gspca_dev *gspca_dev) if (mode) i++; /* 320x240 */ zc3_freq = freq_tb[sd->sensor][i]; - if (zc3_freq != NULL) { - usb_exchange(gspca_dev, zc3_freq); - switch (sd->sensor) { - case SENSOR_GC0305: - if (mode /* if 320x240 */ - && sd->lightfreq == 1) /* and 50Hz */ - reg_w(gspca_dev->dev, 0x85, 0x018d); - /* win: 0x80, 0x018d */ - break; - case SENSOR_OV7620: - if (!mode) { /* if 640x480 */ - if (sd->lightfreq != 0) /* and 50 or 60 Hz */ - reg_w(gspca_dev->dev, 0x40, 0x0002); - else - reg_w(gspca_dev->dev, 0x44, 0x0002); - } - break; - case SENSOR_PAS202B: - reg_w(gspca_dev->dev, 0x00, 0x01a7); - break; + if (zc3_freq == NULL) + return; + usb_exchange(gspca_dev, zc3_freq); + switch (sd->sensor) { + case SENSOR_GC0305: + if (mode /* if 320x240 */ + && sd->lightfreq == 1) /* and 50Hz */ + reg_w(gspca_dev, 0x85, 0x018d); + /* win: 0x80, 0x018d */ + break; + case SENSOR_OV7620: + if (!mode) { /* if 640x480 */ + if (sd->lightfreq != 0) /* and 50 or 60 Hz */ + reg_w(gspca_dev, 0x40, 0x0002); + else + reg_w(gspca_dev, 0x44, 0x0002); } + break; + case SENSOR_PAS202B: + reg_w(gspca_dev, 0x00, 0x01a7); + break; } - return 0; } static void setautogain(struct gspca_dev *gspca_dev) @@ -6241,45 +6103,46 @@ static void setautogain(struct gspca_dev *gspca_dev) autoval = 0x42; else autoval = 0x02; - reg_w(gspca_dev->dev, autoval, 0x0180); + reg_w(gspca_dev, autoval, 0x0180); } -static void send_unknown(struct usb_device *dev, int sensor) +static void send_unknown(struct gspca_dev *gspca_dev, int sensor) { - reg_w(dev, 0x01, 0x0000); /* led off */ + reg_w(gspca_dev, 0x01, 0x0000); /* led off */ switch (sensor) { case SENSOR_PAS106: - reg_w(dev, 0x03, 0x003a); - reg_w(dev, 0x0c, 0x003b); - reg_w(dev, 0x08, 0x0038); + reg_w(gspca_dev, 0x03, 0x003a); + reg_w(gspca_dev, 0x0c, 0x003b); + reg_w(gspca_dev, 0x08, 0x0038); break; case SENSOR_ADCM2700: case SENSOR_GC0305: case SENSOR_OV7620: - case SENSOR_MI0360SOC: + case SENSOR_MT9V111_1: + case SENSOR_MT9V111_3: case SENSOR_PB0330: case SENSOR_PO2030: - reg_w(dev, 0x0d, 0x003a); - reg_w(dev, 0x02, 0x003b); - reg_w(dev, 0x00, 0x0038); + reg_w(gspca_dev, 0x0d, 0x003a); + reg_w(gspca_dev, 0x02, 0x003b); + reg_w(gspca_dev, 0x00, 0x0038); break; case SENSOR_PAS202B: - reg_w(dev, 0x03, 0x003b); - reg_w(dev, 0x0c, 0x003a); - reg_w(dev, 0x0b, 0x0039); - reg_w(dev, 0x0b, 0x0038); + reg_w(gspca_dev, 0x03, 0x003b); + reg_w(gspca_dev, 0x0c, 0x003a); + reg_w(gspca_dev, 0x0b, 0x0039); + reg_w(gspca_dev, 0x0b, 0x0038); break; } } /* start probe 2 wires */ -static void start_2wr_probe(struct usb_device *dev, int sensor) +static void start_2wr_probe(struct gspca_dev *gspca_dev, int sensor) { - reg_w(dev, 0x01, 0x0000); - reg_w(dev, sensor, 0x0010); - reg_w(dev, 0x01, 0x0001); - reg_w(dev, 0x03, 0x0012); - reg_w(dev, 0x01, 0x0012); + reg_w(gspca_dev, 0x01, 0x0000); + reg_w(gspca_dev, sensor, 0x0010); + reg_w(gspca_dev, 0x01, 0x0001); + reg_w(gspca_dev, 0x03, 0x0012); + reg_w(gspca_dev, 0x01, 0x0012); /* msleep(2); */ } @@ -6287,14 +6150,14 @@ static int sif_probe(struct gspca_dev *gspca_dev) { u16 checkword; - start_2wr_probe(gspca_dev->dev, 0x0f); /* PAS106 */ - reg_w(gspca_dev->dev, 0x08, 0x008d); + start_2wr_probe(gspca_dev, 0x0f); /* PAS106 */ + reg_w(gspca_dev, 0x08, 0x008d); msleep(150); checkword = ((i2c_read(gspca_dev, 0x00) & 0x0f) << 4) | ((i2c_read(gspca_dev, 0x01) & 0xf0) >> 4); PDEBUG(D_PROBE, "probe sif 0x%04x", checkword); if (checkword == 0x0007) { - send_unknown(gspca_dev->dev, SENSOR_PAS106); + send_unknown(gspca_dev, SENSOR_PAS106); return 0x0f; /* PAS106 */ } return -1; @@ -6302,23 +6165,22 @@ static int sif_probe(struct gspca_dev *gspca_dev) static int vga_2wr_probe(struct gspca_dev *gspca_dev) { - struct usb_device *dev = gspca_dev->dev; u16 retword; - start_2wr_probe(dev, 0x00); /* HV7131B */ + start_2wr_probe(gspca_dev, 0x00); /* HV7131B */ i2c_write(gspca_dev, 0x01, 0xaa, 0x00); retword = i2c_read(gspca_dev, 0x01); if (retword != 0) return 0x00; /* HV7131B */ - start_2wr_probe(dev, 0x04); /* CS2102 */ + start_2wr_probe(gspca_dev, 0x04); /* CS2102 */ i2c_write(gspca_dev, 0x01, 0xaa, 0x00); retword = i2c_read(gspca_dev, 0x01); if (retword != 0) return 0x04; /* CS2102 */ - start_2wr_probe(dev, 0x06); /* OmniVision */ - reg_w(dev, 0x08, 0x008d); + start_2wr_probe(gspca_dev, 0x06); /* OmniVision */ + reg_w(gspca_dev, 0x08, 0x008d); i2c_write(gspca_dev, 0x11, 0xaa, 0x00); retword = i2c_read(gspca_dev, 0x11); if (retword != 0) { @@ -6327,14 +6189,14 @@ static int vga_2wr_probe(struct gspca_dev *gspca_dev) goto ov_check; } - start_2wr_probe(dev, 0x08); /* HDCS2020 */ + start_2wr_probe(gspca_dev, 0x08); /* HDCS2020 */ i2c_write(gspca_dev, 0x1c, 0x00, 0x00); i2c_write(gspca_dev, 0x15, 0xaa, 0x00); retword = i2c_read(gspca_dev, 0x15); if (retword != 0) return 0x08; /* HDCS2020 */ - start_2wr_probe(dev, 0x0a); /* PB0330 */ + start_2wr_probe(gspca_dev, 0x0a); /* PB0330 */ i2c_write(gspca_dev, 0x07, 0xaa, 0xaa); retword = i2c_read(gspca_dev, 0x07); if (retword != 0) @@ -6346,23 +6208,23 @@ static int vga_2wr_probe(struct gspca_dev *gspca_dev) if (retword != 0) return 0x0a; /* PB0330 ?? */ - start_2wr_probe(dev, 0x0c); /* ICM105A */ + start_2wr_probe(gspca_dev, 0x0c); /* ICM105A */ i2c_write(gspca_dev, 0x01, 0x11, 0x00); retword = i2c_read(gspca_dev, 0x01); if (retword != 0) return 0x0c; /* ICM105A */ - start_2wr_probe(dev, 0x0e); /* PAS202BCB */ - reg_w(dev, 0x08, 0x008d); + start_2wr_probe(gspca_dev, 0x0e); /* PAS202BCB */ + reg_w(gspca_dev, 0x08, 0x008d); i2c_write(gspca_dev, 0x03, 0xaa, 0x00); msleep(50); retword = i2c_read(gspca_dev, 0x03); if (retword != 0) { - send_unknown(dev, SENSOR_PAS202B); + send_unknown(gspca_dev, SENSOR_PAS202B); return 0x0e; /* PAS202BCB */ } - start_2wr_probe(dev, 0x02); /* TAS5130C */ + start_2wr_probe(gspca_dev, 0x02); /* TAS5130C */ i2c_write(gspca_dev, 0x01, 0xaa, 0x00); retword = i2c_read(gspca_dev, 0x01); if (retword != 0) @@ -6371,20 +6233,20 @@ ov_check: reg_r(gspca_dev, 0x0010); /* ?? */ reg_r(gspca_dev, 0x0010); - reg_w(dev, 0x01, 0x0000); - reg_w(dev, 0x01, 0x0001); - reg_w(dev, 0x06, 0x0010); /* OmniVision */ - reg_w(dev, 0xa1, 0x008b); - reg_w(dev, 0x08, 0x008d); + reg_w(gspca_dev, 0x01, 0x0000); + reg_w(gspca_dev, 0x01, 0x0001); + reg_w(gspca_dev, 0x06, 0x0010); /* OmniVision */ + reg_w(gspca_dev, 0xa1, 0x008b); + reg_w(gspca_dev, 0x08, 0x008d); msleep(500); - reg_w(dev, 0x01, 0x0012); + reg_w(gspca_dev, 0x01, 0x0012); i2c_write(gspca_dev, 0x12, 0x80, 0x00); /* sensor reset */ retword = i2c_read(gspca_dev, 0x0a) << 8; retword |= i2c_read(gspca_dev, 0x0b); PDEBUG(D_PROBE, "probe 2wr ov vga 0x%04x", retword); switch (retword) { case 0x7631: /* OV7630C */ - reg_w(dev, 0x06, 0x0010); + reg_w(gspca_dev, 0x06, 0x0010); break; case 0x7620: /* OV7620 */ case 0x7648: /* OV7648 */ @@ -6401,32 +6263,31 @@ struct sensor_by_chipset_revision { }; static const struct sensor_by_chipset_revision chipset_revision_sensor[] = { {0xc000, 0x12}, /* TAS5130C */ - {0xc001, 0x13}, /* MI0360SOC */ + {0xc001, 0x13}, /* MT9V111 */ {0xe001, 0x13}, {0x8001, 0x13}, {0x8000, 0x14}, /* CS2102K */ - {0x8400, 0x15}, /* TAS5130K */ + {0x8400, 0x15}, /* MT9V111 */ {0xe400, 0x15}, }; static int vga_3wr_probe(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; - struct usb_device *dev = gspca_dev->dev; int i; u8 retbyte; u16 retword; /*fixme: lack of 8b=b3 (11,12)-> 10, 8b=e0 (14,15,16)-> 12 found in gspcav1*/ - reg_w(dev, 0x02, 0x0010); + reg_w(gspca_dev, 0x02, 0x0010); reg_r(gspca_dev, 0x0010); - reg_w(dev, 0x01, 0x0000); - reg_w(dev, 0x00, 0x0010); - reg_w(dev, 0x01, 0x0001); - reg_w(dev, 0x91, 0x008b); - reg_w(dev, 0x03, 0x0012); - reg_w(dev, 0x01, 0x0012); - reg_w(dev, 0x05, 0x0012); + reg_w(gspca_dev, 0x01, 0x0000); + reg_w(gspca_dev, 0x00, 0x0010); + reg_w(gspca_dev, 0x01, 0x0001); + reg_w(gspca_dev, 0x91, 0x008b); + reg_w(gspca_dev, 0x03, 0x0012); + reg_w(gspca_dev, 0x01, 0x0012); + reg_w(gspca_dev, 0x05, 0x0012); retword = i2c_read(gspca_dev, 0x14); if (retword != 0) return 0x11; /* HV7131R */ @@ -6437,93 +6298,90 @@ static int vga_3wr_probe(struct gspca_dev *gspca_dev) if (retword != 0) return 0x11; /* HV7131R */ - reg_w(dev, 0x02, 0x0010); + reg_w(gspca_dev, 0x02, 0x0010); retword = reg_r(gspca_dev, 0x000b) << 8; retword |= reg_r(gspca_dev, 0x000a); PDEBUG(D_PROBE, "probe 3wr vga 1 0x%04x", retword); reg_r(gspca_dev, 0x0010); - /* value 0x4001 is meaningless */ - if (retword != 0x4001) { - if ((retword & 0xff00) == 0x6400) - return 0x02; /* TAS5130C */ - for (i = 0; i < ARRAY_SIZE(chipset_revision_sensor); i++) { - if (chipset_revision_sensor[i].revision == retword) { - sd->chip_revision = retword; - send_unknown(dev, SENSOR_PB0330); - return chipset_revision_sensor[i] - .internal_sensor_id; - } + if ((retword & 0xff00) == 0x6400) + return 0x02; /* TAS5130C */ + for (i = 0; i < ARRAY_SIZE(chipset_revision_sensor); i++) { + if (chipset_revision_sensor[i].revision == retword) { + sd->chip_revision = retword; + send_unknown(gspca_dev, SENSOR_PB0330); + return chipset_revision_sensor[i] + .internal_sensor_id; } } - reg_w(dev, 0x01, 0x0000); /* check PB0330 */ - reg_w(dev, 0x01, 0x0001); - reg_w(dev, 0xdd, 0x008b); - reg_w(dev, 0x0a, 0x0010); - reg_w(dev, 0x03, 0x0012); - reg_w(dev, 0x01, 0x0012); + reg_w(gspca_dev, 0x01, 0x0000); /* check PB0330 */ + reg_w(gspca_dev, 0x01, 0x0001); + reg_w(gspca_dev, 0xdd, 0x008b); + reg_w(gspca_dev, 0x0a, 0x0010); + reg_w(gspca_dev, 0x03, 0x0012); + reg_w(gspca_dev, 0x01, 0x0012); retword = i2c_read(gspca_dev, 0x00); if (retword != 0) { - PDEBUG(D_PROBE, "probe 3wr vga type 0a ?"); + PDEBUG(D_PROBE, "probe 3wr vga type 0a"); return 0x0a; /* PB0330 */ } - reg_w(dev, 0x01, 0x0000); - reg_w(dev, 0x01, 0x0001); - reg_w(dev, 0x98, 0x008b); - reg_w(dev, 0x01, 0x0010); - reg_w(dev, 0x03, 0x0012); + reg_w(gspca_dev, 0x01, 0x0000); + reg_w(gspca_dev, 0x01, 0x0001); + reg_w(gspca_dev, 0x98, 0x008b); + reg_w(gspca_dev, 0x01, 0x0010); + reg_w(gspca_dev, 0x03, 0x0012); msleep(2); - reg_w(dev, 0x01, 0x0012); + reg_w(gspca_dev, 0x01, 0x0012); retword = i2c_read(gspca_dev, 0x00); if (retword != 0) { PDEBUG(D_PROBE, "probe 3wr vga type %02x", retword); if (retword == 0x0011) /* VF0250 */ return 0x0250; if (retword == 0x0029) /* gc0305 */ - send_unknown(dev, SENSOR_GC0305); + send_unknown(gspca_dev, SENSOR_GC0305); return retword; } - reg_w(dev, 0x01, 0x0000); /* check OmniVision */ - reg_w(dev, 0x01, 0x0001); - reg_w(dev, 0xa1, 0x008b); - reg_w(dev, 0x08, 0x008d); - reg_w(dev, 0x06, 0x0010); - reg_w(dev, 0x01, 0x0012); - reg_w(dev, 0x05, 0x0012); + reg_w(gspca_dev, 0x01, 0x0000); /* check OmniVision */ + reg_w(gspca_dev, 0x01, 0x0001); + reg_w(gspca_dev, 0xa1, 0x008b); + reg_w(gspca_dev, 0x08, 0x008d); + reg_w(gspca_dev, 0x06, 0x0010); + reg_w(gspca_dev, 0x01, 0x0012); + reg_w(gspca_dev, 0x05, 0x0012); if (i2c_read(gspca_dev, 0x1c) == 0x007f /* OV7610 - manufacturer ID */ && i2c_read(gspca_dev, 0x1d) == 0x00a2) { - send_unknown(dev, SENSOR_OV7620); + send_unknown(gspca_dev, SENSOR_OV7620); return 0x06; /* OmniVision confirm ? */ } - reg_w(dev, 0x01, 0x0000); - reg_w(dev, 0x00, 0x0002); - reg_w(dev, 0x01, 0x0010); - reg_w(dev, 0x01, 0x0001); - reg_w(dev, 0xee, 0x008b); - reg_w(dev, 0x03, 0x0012); - reg_w(dev, 0x01, 0x0012); - reg_w(dev, 0x05, 0x0012); + reg_w(gspca_dev, 0x01, 0x0000); + reg_w(gspca_dev, 0x00, 0x0002); + reg_w(gspca_dev, 0x01, 0x0010); + reg_w(gspca_dev, 0x01, 0x0001); + reg_w(gspca_dev, 0xee, 0x008b); + reg_w(gspca_dev, 0x03, 0x0012); + reg_w(gspca_dev, 0x01, 0x0012); + reg_w(gspca_dev, 0x05, 0x0012); retword = i2c_read(gspca_dev, 0x00) << 8; /* ID 0 */ retword |= i2c_read(gspca_dev, 0x01); /* ID 1 */ PDEBUG(D_PROBE, "probe 3wr vga 2 0x%04x", retword); if (retword == 0x2030) { retbyte = i2c_read(gspca_dev, 0x02); /* revision number */ PDEBUG(D_PROBE, "sensor PO2030 rev 0x%02x", retbyte); - send_unknown(dev, SENSOR_PO2030); + send_unknown(gspca_dev, SENSOR_PO2030); return retword; } - reg_w(dev, 0x01, 0x0000); - reg_w(dev, 0x0a, 0x0010); - reg_w(dev, 0xd3, 0x008b); - reg_w(dev, 0x01, 0x0001); - reg_w(dev, 0x03, 0x0012); - reg_w(dev, 0x01, 0x0012); - reg_w(dev, 0x05, 0x0012); - reg_w(dev, 0xd3, 0x008b); + reg_w(gspca_dev, 0x01, 0x0000); + reg_w(gspca_dev, 0x0a, 0x0010); + reg_w(gspca_dev, 0xd3, 0x008b); + reg_w(gspca_dev, 0x01, 0x0001); + reg_w(gspca_dev, 0x03, 0x0012); + reg_w(gspca_dev, 0x01, 0x0012); + reg_w(gspca_dev, 0x05, 0x0012); + reg_w(gspca_dev, 0xd3, 0x008b); retword = i2c_read(gspca_dev, 0x01); if (retword != 0) { PDEBUG(D_PROBE, "probe 3wr vga type 0a ? ret: %04x", retword); @@ -6560,54 +6418,74 @@ static int sd_config(struct gspca_dev *gspca_dev, const struct usb_device_id *id) { struct sd *sd = (struct sd *) gspca_dev; + + if (id->idProduct == 0x301b) + sd->bridge = BRIDGE_ZC301; + else + sd->bridge = BRIDGE_ZC303; + + /* define some sensors from the vendor/product */ + sd->sensor = id->driver_info; + + sd->sharpness = SHARPNESS_DEF; + sd->brightness = BRIGHTNESS_DEF; + sd->contrast = CONTRAST_DEF; + sd->autogain = AUTOGAIN_DEF; + sd->lightfreq = FREQ_DEF; + sd->quality = QUALITY_DEF; + + return 0; +} + +/* this function is called at probe and resume time */ +static int sd_init(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; struct cam *cam; int sensor; static const u8 gamma[SENSOR_MAX] = { - 4, /* SENSOR_ADCM2700 0 */ - 4, /* SENSOR_CS2102 1 */ - 5, /* SENSOR_CS2102K 2 */ - 4, /* SENSOR_GC0305 3 */ - 4, /* SENSOR_HDCS2020b 4 */ - 4, /* SENSOR_HV7131B 5 */ - 4, /* SENSOR_HV7131C 6 */ - 4, /* SENSOR_ICM105A 7 */ - 4, /* SENSOR_MC501CB 8 */ - 4, /* SENSOR_MI0360SOC 9 */ - 3, /* SENSOR_OV7620 10 */ - 4, /* SENSOR_OV7630C 11 */ - 4, /* SENSOR_PAS106 12 */ - 4, /* SENSOR_PAS202B 13 */ - 4, /* SENSOR_PB0330 14 */ - 4, /* SENSOR_PO2030 15 */ - 4, /* SENSOR_TAS5130CK 16 */ - 3, /* SENSOR_TAS5130CXX 17 */ - 3, /* SENSOR_TAS5130C_VF0250 18 */ + [SENSOR_ADCM2700] = 4, + [SENSOR_CS2102] = 4, + [SENSOR_CS2102K] = 5, + [SENSOR_GC0305] = 4, + [SENSOR_HDCS2020b] = 4, + [SENSOR_HV7131B] = 4, + [SENSOR_HV7131R] = 4, + [SENSOR_ICM105A] = 4, + [SENSOR_MC501CB] = 4, + [SENSOR_MT9V111_1] = 4, + [SENSOR_MT9V111_3] = 4, + [SENSOR_OV7620] = 3, + [SENSOR_OV7630C] = 4, + [SENSOR_PAS106] = 4, + [SENSOR_PAS202B] = 4, + [SENSOR_PB0330] = 4, + [SENSOR_PO2030] = 4, + [SENSOR_TAS5130C] = 3, + [SENSOR_TAS5130C_VF0250] = 3, }; static const u8 mode_tb[SENSOR_MAX] = { - 2, /* SENSOR_ADCM2700 0 */ - 1, /* SENSOR_CS2102 1 */ - 1, /* SENSOR_CS2102K 2 */ - 1, /* SENSOR_GC0305 3 */ - 1, /* SENSOR_HDCS2020b 4 */ - 1, /* SENSOR_HV7131B 5 */ - 1, /* SENSOR_HV7131C 6 */ - 1, /* SENSOR_ICM105A 7 */ - 2, /* SENSOR_MC501CB 8 */ - 1, /* SENSOR_MI0360SOC 9 */ - 2, /* SENSOR_OV7620 10 */ - 1, /* SENSOR_OV7630C 11 */ - 0, /* SENSOR_PAS106 12 */ - 1, /* SENSOR_PAS202B 13 */ - 1, /* SENSOR_PB0330 14 */ - 1, /* SENSOR_PO2030 15 */ - 1, /* SENSOR_TAS5130CK 16 */ - 1, /* SENSOR_TAS5130CXX 17 */ - 1, /* SENSOR_TAS5130C_VF0250 18 */ + [SENSOR_ADCM2700] = 2, + [SENSOR_CS2102] = 1, + [SENSOR_CS2102K] = 1, + [SENSOR_GC0305] = 1, + [SENSOR_HDCS2020b] = 1, + [SENSOR_HV7131B] = 1, + [SENSOR_HV7131R] = 1, + [SENSOR_ICM105A] = 1, + [SENSOR_MC501CB] = 2, + [SENSOR_MT9V111_1] = 1, + [SENSOR_MT9V111_3] = 1, + [SENSOR_OV7620] = 2, + [SENSOR_OV7630C] = 1, + [SENSOR_PAS106] = 0, + [SENSOR_PAS202B] = 1, + [SENSOR_PB0330] = 1, + [SENSOR_PO2030] = 1, + [SENSOR_TAS5130C] = 1, + [SENSOR_TAS5130C_VF0250] = 1, }; - /* define some sensors from the vendor/product */ - sd->sharpness = SHARPNESS_DEF; - sd->sensor = id->driver_info; sensor = zcxx_probeSensor(gspca_dev); if (sensor >= 0) PDEBUG(D_PROBE, "probe sensor -> %04x", sensor); @@ -6626,8 +6504,8 @@ static int sd_config(struct gspca_dev *gspca_dev, break; default: PDEBUG(D_PROBE, - "Sensor UNKNOWN_0 force Tas5130"); - sd->sensor = SENSOR_TAS5130CXX; + "Unknown sensor - set to TAS5130C"); + sd->sensor = SENSOR_TAS5130C; } break; case 0: @@ -6642,14 +6520,14 @@ static int sd_config(struct gspca_dev *gspca_dev, break; default: /* case 2: * hv7131r */ - PDEBUG(D_PROBE, "Find Sensor HV7131R(c)"); - sd->sensor = SENSOR_HV7131C; + PDEBUG(D_PROBE, "Find Sensor HV7131R"); + sd->sensor = SENSOR_HV7131R; break; } break; case 0x02: PDEBUG(D_PROBE, "Sensor TAS5130C"); - sd->sensor = SENSOR_TAS5130CXX; + sd->sensor = SENSOR_TAS5130C; break; case 0x04: PDEBUG(D_PROBE, "Find Sensor CS2102"); @@ -6681,17 +6559,20 @@ static int sd_config(struct gspca_dev *gspca_dev, case 0x10: case 0x12: PDEBUG(D_PROBE, "Find Sensor TAS5130C"); - sd->sensor = SENSOR_TAS5130CXX; + sd->sensor = SENSOR_TAS5130C; break; case 0x11: - PDEBUG(D_PROBE, "Find Sensor HV7131R(c)"); - sd->sensor = SENSOR_HV7131C; + PDEBUG(D_PROBE, "Find Sensor HV7131R"); + sd->sensor = SENSOR_HV7131R; break; case 0x13: + case 0x15: PDEBUG(D_PROBE, - "Find Sensor MI0360SOC. Chip revision %x", + "Sensor MT9V111. Chip revision %04x", sd->chip_revision); - sd->sensor = SENSOR_MI0360SOC; + sd->sensor = sd->bridge == BRIDGE_ZC301 + ? SENSOR_MT9V111_1 + : SENSOR_MT9V111_3; break; case 0x14: PDEBUG(D_PROBE, @@ -6699,12 +6580,6 @@ static int sd_config(struct gspca_dev *gspca_dev, sd->chip_revision); sd->sensor = SENSOR_CS2102K; break; - case 0x15: - PDEBUG(D_PROBE, - "Find Sensor TAS5130CK?. Chip revision %x", - sd->chip_revision); - sd->sensor = SENSOR_TAS5130CK; - break; case 0x16: PDEBUG(D_PROBE, "Find Sensor ADCM2700"); sd->sensor = SENSOR_ADCM2700; @@ -6741,13 +6616,11 @@ static int sd_config(struct gspca_dev *gspca_dev, } if (sensor < 0x20) { if (sensor == -1 || sensor == 0x10 || sensor == 0x12) - reg_w(gspca_dev->dev, 0x02, 0x0010); + reg_w(gspca_dev, 0x02, 0x0010); reg_r(gspca_dev, 0x0010); } cam = &gspca_dev->cam; -/*fixme:test*/ - gspca_dev->nbalt--; switch (mode_tb[sd->sensor]) { case 0: cam->cam_mode = sif_mode; @@ -6763,58 +6636,62 @@ static int sd_config(struct gspca_dev *gspca_dev, cam->nmodes = ARRAY_SIZE(broken_vga_mode); break; } - sd->brightness = BRIGHTNESS_DEF; - sd->contrast = CONTRAST_DEF; sd->gamma = gamma[sd->sensor]; - sd->autogain = AUTOGAIN_DEF; - sd->lightfreq = FREQ_DEF; - sd->quality = QUALITY_DEF; switch (sd->sensor) { - case SENSOR_HV7131B: - case SENSOR_HV7131C: case SENSOR_OV7630C: gspca_dev->ctrl_dis = (1 << LIGHTFREQ_IDX); break; } - return 0; -} - -/* this function is called at probe and resume time */ -static int sd_init(struct gspca_dev *gspca_dev) -{ /* switch off the led */ - reg_w(gspca_dev->dev, 0x01, 0x0000); - return 0; + reg_w(gspca_dev, 0x01, 0x0000); + return gspca_dev->usb_err; } static int sd_start(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; - struct usb_device *dev = gspca_dev->dev; int mode; static const struct usb_action *init_tb[SENSOR_MAX][2] = { - {adcm2700_Initial, adcm2700_InitialScale}, /* 0 */ - {cs2102_Initial, cs2102_InitialScale}, /* 1 */ - {cs2102K_Initial, cs2102K_InitialScale}, /* 2 */ - {gc0305_Initial, gc0305_InitialScale}, /* 3 */ - {hdcs2020b_Initial, hdcs2020b_InitialScale}, /* 4 */ - {hv7131b_Initial, hv7131b_InitialScale}, /* 5 */ - {hv7131r_Initial, hv7131r_InitialScale}, /* 6 */ - {icm105a_Initial, icm105a_InitialScale}, /* 7 */ - {mc501cb_Initial, mc501cb_InitialScale}, /* 8 */ - {mi0360soc_Initial, mi0360soc_InitialScale}, /* 9 */ - {ov7620_Initial, ov7620_InitialScale}, /* 10 */ - {ov7630c_Initial, ov7630c_InitialScale}, /* 11 */ - {pas106b_Initial, pas106b_InitialScale}, /* 12 */ - {pas202b_Initial, pas202b_InitialScale}, /* 13 */ - {pb0330_Initial, pb0330_InitialScale}, /* 14 */ - {po2030_Initial, po2030_InitialScale}, /* 15 */ - {tas5130cK_Initial, tas5130cK_InitialScale}, /* 16 */ - {tas5130cxx_Initial, tas5130cxx_InitialScale}, /* 17 */ + [SENSOR_ADCM2700] = + {adcm2700_Initial, adcm2700_InitialScale}, + [SENSOR_CS2102] = + {cs2102_Initial, cs2102_InitialScale}, + [SENSOR_CS2102K] = + {cs2102K_Initial, cs2102K_InitialScale}, + [SENSOR_GC0305] = + {gc0305_Initial, gc0305_InitialScale}, + [SENSOR_HDCS2020b] = + {hdcs2020b_Initial, hdcs2020b_InitialScale}, + [SENSOR_HV7131B] = + {hv7131b_Initial, hv7131b_InitialScale}, + [SENSOR_HV7131R] = + {hv7131r_Initial, hv7131r_InitialScale}, + [SENSOR_ICM105A] = + {icm105a_Initial, icm105a_InitialScale}, + [SENSOR_MC501CB] = + {mc501cb_Initial, mc501cb_InitialScale}, + [SENSOR_MT9V111_1] = + {mt9v111_1_Initial, mt9v111_1_InitialScale}, + [SENSOR_MT9V111_3] = + {mt9v111_3_Initial, mt9v111_3_InitialScale}, + [SENSOR_OV7620] = + {ov7620_Initial, ov7620_InitialScale}, + [SENSOR_OV7630C] = + {ov7630c_Initial, ov7630c_InitialScale}, + [SENSOR_PAS106] = + {pas106b_Initial, pas106b_InitialScale}, + [SENSOR_PAS202B] = + {pas202b_Initial, pas202b_InitialScale}, + [SENSOR_PB0330] = + {pb0330_Initial, pb0330_InitialScale}, + [SENSOR_PO2030] = + {po2030_Initial, po2030_InitialScale}, + [SENSOR_TAS5130C] = + {tas5130c_Initial, tas5130c_InitialScale}, + [SENSOR_TAS5130C_VF0250] = {tas5130c_vf0250_Initial, tas5130c_vf0250_InitialScale}, - /* 18 */ }; /* create the JPEG header */ @@ -6824,7 +6701,7 @@ static int sd_start(struct gspca_dev *gspca_dev) mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv; switch (sd->sensor) { - case SENSOR_HV7131C: + case SENSOR_HV7131R: zcxx_probeSensor(gspca_dev); break; case SENSOR_PAS106: @@ -6838,22 +6715,22 @@ static int sd_start(struct gspca_dev *gspca_dev) case SENSOR_GC0305: case SENSOR_OV7620: case SENSOR_PO2030: - case SENSOR_TAS5130CXX: + case SENSOR_TAS5130C: case SENSOR_TAS5130C_VF0250: /* msleep(100); * ?? */ reg_r(gspca_dev, 0x0002); /* --> 0x40 */ - reg_w(dev, 0x09, 0x01ad); /* (from win traces) */ - reg_w(dev, 0x15, 0x01ae); - if (sd->sensor == SENSOR_TAS5130CXX) + reg_w(gspca_dev, 0x09, 0x01ad); /* (from win traces) */ + reg_w(gspca_dev, 0x15, 0x01ae); + if (sd->sensor == SENSOR_TAS5130C) break; - reg_w(dev, 0x0d, 0x003a); - reg_w(dev, 0x02, 0x003b); - reg_w(dev, 0x00, 0x0038); + reg_w(gspca_dev, 0x0d, 0x003a); + reg_w(gspca_dev, 0x02, 0x003b); + reg_w(gspca_dev, 0x00, 0x0038); break; case SENSOR_PAS202B: - reg_w(dev, 0x03, 0x003b); - reg_w(dev, 0x0c, 0x003a); - reg_w(dev, 0x0b, 0x0039); + reg_w(gspca_dev, 0x03, 0x003b); + reg_w(gspca_dev, 0x0c, 0x003a); + reg_w(gspca_dev, 0x0b, 0x0039); break; } @@ -6862,15 +6739,15 @@ static int sd_start(struct gspca_dev *gspca_dev) case SENSOR_ADCM2700: case SENSOR_OV7620: reg_r(gspca_dev, 0x0008); - reg_w(dev, 0x00, 0x0008); + reg_w(gspca_dev, 0x00, 0x0008); break; case SENSOR_PAS202B: case SENSOR_GC0305: - case SENSOR_TAS5130CXX: + case SENSOR_TAS5130C: reg_r(gspca_dev, 0x0008); /* fall thru */ case SENSOR_PO2030: - reg_w(dev, 0x03, 0x0008); + reg_w(gspca_dev, 0x03, 0x0008); break; } setsharpness(gspca_dev); @@ -6880,7 +6757,6 @@ static int sd_start(struct gspca_dev *gspca_dev) case SENSOR_CS2102K: /* gamma set in xxx_Initial */ case SENSOR_HDCS2020b: case SENSOR_OV7630C: - case SENSOR_TAS5130CK: break; default: setcontrast(gspca_dev); @@ -6891,7 +6767,7 @@ static int sd_start(struct gspca_dev *gspca_dev) case SENSOR_OV7620: case SENSOR_PAS202B: reg_r(gspca_dev, 0x0180); /* from win */ - reg_w(dev, 0x00, 0x0180); + reg_w(gspca_dev, 0x00, 0x0180); break; default: setquality(gspca_dev); @@ -6901,29 +6777,29 @@ static int sd_start(struct gspca_dev *gspca_dev) switch (sd->sensor) { case SENSOR_ADCM2700: - reg_w(dev, 0x09, 0x01ad); /* (from win traces) */ - reg_w(dev, 0x15, 0x01ae); - reg_w(dev, 0x02, 0x0180); + reg_w(gspca_dev, 0x09, 0x01ad); /* (from win traces) */ + reg_w(gspca_dev, 0x15, 0x01ae); + reg_w(gspca_dev, 0x02, 0x0180); /* ms-win + */ - reg_w(dev, 0x40, 0x0117); + reg_w(gspca_dev, 0x40, 0x0117); break; case SENSOR_GC0305: - case SENSOR_TAS5130CXX: - reg_w(dev, 0x09, 0x01ad); /* (from win traces) */ - reg_w(dev, 0x15, 0x01ae); + case SENSOR_TAS5130C: + reg_w(gspca_dev, 0x09, 0x01ad); /* (from win traces) */ + reg_w(gspca_dev, 0x15, 0x01ae); /* fall thru */ case SENSOR_PAS202B: case SENSOR_PO2030: -/* reg_w(dev, 0x40, ZC3XX_R117_GGAIN); * (from win traces) */ +/* reg_w(gspca_dev, 0x40, ZC3XX_R117_GGAIN); * (from win traces) */ reg_r(gspca_dev, 0x0180); break; case SENSOR_OV7620: - reg_w(dev, 0x09, 0x01ad); - reg_w(dev, 0x15, 0x01ae); + reg_w(gspca_dev, 0x09, 0x01ad); + reg_w(gspca_dev, 0x15, 0x01ae); i2c_read(gspca_dev, 0x13); /*fixme: returns 0xa3 */ i2c_write(gspca_dev, 0x13, 0xa3, 0x00); /*fixme: returned value to send? */ - reg_w(dev, 0x40, 0x0117); + reg_w(gspca_dev, 0x40, 0x0117); reg_r(gspca_dev, 0x0180); break; } @@ -6932,11 +6808,11 @@ static int sd_start(struct gspca_dev *gspca_dev) switch (sd->sensor) { case SENSOR_PO2030: msleep(50); - reg_w(dev, 0x00, 0x0007); /* (from win traces) */ - reg_w(dev, 0x02, ZC3XX_R008_CLOCKSETTING); + reg_w(gspca_dev, 0x00, 0x0007); /* (from win traces) */ + reg_w(gspca_dev, 0x02, ZC3XX_R008_CLOCKSETTING); break; } - return 0; + return gspca_dev->usb_err; } /* called on streamoff with alt 0 and on disconnect */ @@ -6946,7 +6822,7 @@ static void sd_stop0(struct gspca_dev *gspca_dev) if (!gspca_dev->present) return; - send_unknown(gspca_dev->dev, sd->sensor); + send_unknown(gspca_dev, sd->sensor); } static void sd_pkt_scan(struct gspca_dev *gspca_dev, @@ -6981,7 +6857,7 @@ static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val) sd->brightness = val; if (gspca_dev->streaming) setcontrast(gspca_dev); - return 0; + return gspca_dev->usb_err; } static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val) @@ -6999,7 +6875,7 @@ static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val) sd->contrast = val; if (gspca_dev->streaming) setcontrast(gspca_dev); - return 0; + return gspca_dev->usb_err; } static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val) @@ -7017,7 +6893,7 @@ static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val) sd->autogain = val; if (gspca_dev->streaming) setautogain(gspca_dev); - return 0; + return gspca_dev->usb_err; } static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val) @@ -7035,7 +6911,7 @@ static int sd_setgamma(struct gspca_dev *gspca_dev, __s32 val) sd->gamma = val; if (gspca_dev->streaming) setcontrast(gspca_dev); - return 0; + return gspca_dev->usb_err; } static int sd_getgamma(struct gspca_dev *gspca_dev, __s32 *val) @@ -7053,7 +6929,7 @@ static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val) sd->lightfreq = val; if (gspca_dev->streaming) setlightfreq(gspca_dev); - return 0; + return gspca_dev->usb_err; } static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val) @@ -7071,7 +6947,7 @@ static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val) sd->sharpness = val; if (gspca_dev->streaming) setsharpness(gspca_dev); - return 0; + return gspca_dev->usb_err; } static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val) @@ -7116,7 +6992,7 @@ static int sd_set_jcomp(struct gspca_dev *gspca_dev, sd->quality = jcomp->quality; if (gspca_dev->streaming) jpeg_set_qual(sd->jpeg_hdr, sd->quality); - return 0; + return gspca_dev->usb_err; } static int sd_get_jcomp(struct gspca_dev *gspca_dev, @@ -7220,7 +7096,6 @@ static const __devinitdata struct usb_device_id device_table[] = { {USB_DEVICE(0x10fd, 0x8050)}, {} /* end of entry */ }; -#undef DVNAME MODULE_DEVICE_TABLE(usb, device_table); /* -- device connect -- */ diff --git a/drivers/media/video/ivtv/ivtv-controls.c b/drivers/media/video/ivtv/ivtv-controls.c index b588e30..b31ee1b 100644 --- a/drivers/media/video/ivtv/ivtv-controls.c +++ b/drivers/media/video/ivtv/ivtv-controls.c @@ -17,163 +17,14 @@ along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#include <linux/kernel.h> -#include <linux/slab.h> #include "ivtv-driver.h" -#include "ivtv-cards.h" #include "ivtv-ioctl.h" -#include "ivtv-routing.h" -#include "ivtv-i2c.h" -#include "ivtv-mailbox.h" #include "ivtv-controls.h" -/* Must be sorted from low to high control ID! */ -static const u32 user_ctrls[] = { - V4L2_CID_USER_CLASS, - V4L2_CID_BRIGHTNESS, - V4L2_CID_CONTRAST, - V4L2_CID_SATURATION, - V4L2_CID_HUE, - V4L2_CID_AUDIO_VOLUME, - V4L2_CID_AUDIO_BALANCE, - V4L2_CID_AUDIO_BASS, - V4L2_CID_AUDIO_TREBLE, - V4L2_CID_AUDIO_MUTE, - V4L2_CID_AUDIO_LOUDNESS, - 0 -}; - -static const u32 *ctrl_classes[] = { - user_ctrls, - cx2341x_mpeg_ctrls, - NULL -}; - - -int ivtv_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *qctrl) -{ - struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; - const char *name; - - qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id); - if (qctrl->id == 0) - return -EINVAL; - - switch (qctrl->id) { - /* Standard V4L2 controls */ - case V4L2_CID_USER_CLASS: - return v4l2_ctrl_query_fill(qctrl, 0, 0, 0, 0); - case V4L2_CID_BRIGHTNESS: - case V4L2_CID_HUE: - case V4L2_CID_SATURATION: - case V4L2_CID_CONTRAST: - if (v4l2_subdev_call(itv->sd_video, core, queryctrl, qctrl)) - qctrl->flags |= V4L2_CTRL_FLAG_DISABLED; - return 0; - - case V4L2_CID_AUDIO_VOLUME: - case V4L2_CID_AUDIO_MUTE: - case V4L2_CID_AUDIO_BALANCE: - case V4L2_CID_AUDIO_BASS: - case V4L2_CID_AUDIO_TREBLE: - case V4L2_CID_AUDIO_LOUDNESS: - if (v4l2_subdev_call(itv->sd_audio, core, queryctrl, qctrl)) - qctrl->flags |= V4L2_CTRL_FLAG_DISABLED; - return 0; - - default: - if (cx2341x_ctrl_query(&itv->params, qctrl)) - qctrl->flags |= V4L2_CTRL_FLAG_DISABLED; - return 0; - } - strncpy(qctrl->name, name, sizeof(qctrl->name) - 1); - qctrl->name[sizeof(qctrl->name) - 1] = 0; - return 0; -} - -int ivtv_querymenu(struct file *file, void *fh, struct v4l2_querymenu *qmenu) -{ - struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; - struct v4l2_queryctrl qctrl; - - qctrl.id = qmenu->id; - ivtv_queryctrl(file, fh, &qctrl); - return v4l2_ctrl_query_menu(qmenu, &qctrl, - cx2341x_ctrl_get_menu(&itv->params, qmenu->id)); -} - -static int ivtv_try_ctrl(struct file *file, void *fh, - struct v4l2_ext_control *vctrl) -{ - struct v4l2_queryctrl qctrl; - const char **menu_items = NULL; - int err; - - qctrl.id = vctrl->id; - err = ivtv_queryctrl(file, fh, &qctrl); - if (err) - return err; - if (qctrl.type == V4L2_CTRL_TYPE_MENU) - menu_items = v4l2_ctrl_get_menu(qctrl.id); - return v4l2_ctrl_check(vctrl, &qctrl, menu_items); -} - -static int ivtv_s_ctrl(struct ivtv *itv, struct v4l2_control *vctrl) -{ - switch (vctrl->id) { - /* Standard V4L2 controls */ - case V4L2_CID_BRIGHTNESS: - case V4L2_CID_HUE: - case V4L2_CID_SATURATION: - case V4L2_CID_CONTRAST: - return v4l2_subdev_call(itv->sd_video, core, s_ctrl, vctrl); - - case V4L2_CID_AUDIO_VOLUME: - case V4L2_CID_AUDIO_MUTE: - case V4L2_CID_AUDIO_BALANCE: - case V4L2_CID_AUDIO_BASS: - case V4L2_CID_AUDIO_TREBLE: - case V4L2_CID_AUDIO_LOUDNESS: - return v4l2_subdev_call(itv->sd_audio, core, s_ctrl, vctrl); - - default: - IVTV_DEBUG_IOCTL("invalid control 0x%x\n", vctrl->id); - return -EINVAL; - } - return 0; -} - -static int ivtv_g_ctrl(struct ivtv *itv, struct v4l2_control *vctrl) +static int ivtv_s_stream_vbi_fmt(struct cx2341x_handler *cxhdl, u32 fmt) { - switch (vctrl->id) { - /* Standard V4L2 controls */ - case V4L2_CID_BRIGHTNESS: - case V4L2_CID_HUE: - case V4L2_CID_SATURATION: - case V4L2_CID_CONTRAST: - return v4l2_subdev_call(itv->sd_video, core, g_ctrl, vctrl); - - case V4L2_CID_AUDIO_VOLUME: - case V4L2_CID_AUDIO_MUTE: - case V4L2_CID_AUDIO_BALANCE: - case V4L2_CID_AUDIO_BASS: - case V4L2_CID_AUDIO_TREBLE: - case V4L2_CID_AUDIO_LOUDNESS: - return v4l2_subdev_call(itv->sd_audio, core, g_ctrl, vctrl); - default: - IVTV_DEBUG_IOCTL("invalid control 0x%x\n", vctrl->id); - return -EINVAL; - } - return 0; -} - -static int ivtv_setup_vbi_fmt(struct ivtv *itv, enum v4l2_mpeg_stream_vbi_fmt fmt) -{ - if (!(itv->v4l2_cap & V4L2_CAP_SLICED_VBI_CAPTURE)) - return -EINVAL; - if (atomic_read(&itv->capturing) > 0) - return -EBUSY; + struct ivtv *itv = container_of(cxhdl, struct ivtv, cxhdl); /* First try to allocate sliced VBI buffers if needed. */ if (fmt && itv->vbi.sliced_mpeg_data[0] == NULL) { @@ -208,106 +59,43 @@ static int ivtv_setup_vbi_fmt(struct ivtv *itv, enum v4l2_mpeg_stream_vbi_fmt fm return 0; } -int ivtv_g_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *c) +static int ivtv_s_video_encoding(struct cx2341x_handler *cxhdl, u32 val) { - struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; - struct v4l2_control ctrl; - - if (c->ctrl_class == V4L2_CTRL_CLASS_USER) { - int i; - int err = 0; - - for (i = 0; i < c->count; i++) { - ctrl.id = c->controls[i].id; - ctrl.value = c->controls[i].value; - err = ivtv_g_ctrl(itv, &ctrl); - c->controls[i].value = ctrl.value; - if (err) { - c->error_idx = i; - break; - } - } - return err; - } - if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG) - return cx2341x_ext_ctrls(&itv->params, 0, c, VIDIOC_G_EXT_CTRLS); - return -EINVAL; + struct ivtv *itv = container_of(cxhdl, struct ivtv, cxhdl); + int is_mpeg1 = val == V4L2_MPEG_VIDEO_ENCODING_MPEG_1; + struct v4l2_mbus_framefmt fmt; + + /* fix videodecoder resolution */ + fmt.width = cxhdl->width / (is_mpeg1 ? 2 : 1); + fmt.height = cxhdl->height; + fmt.code = V4L2_MBUS_FMT_FIXED; + v4l2_subdev_call(itv->sd_video, video, s_mbus_fmt, &fmt); + return 0; } -int ivtv_s_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *c) +static int ivtv_s_audio_sampling_freq(struct cx2341x_handler *cxhdl, u32 idx) { - struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; - struct v4l2_control ctrl; - - if (c->ctrl_class == V4L2_CTRL_CLASS_USER) { - int i; - int err = 0; - - for (i = 0; i < c->count; i++) { - ctrl.id = c->controls[i].id; - ctrl.value = c->controls[i].value; - err = ivtv_s_ctrl(itv, &ctrl); - c->controls[i].value = ctrl.value; - if (err) { - c->error_idx = i; - break; - } - } - return err; - } - if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG) { - static u32 freqs[3] = { 44100, 48000, 32000 }; - struct cx2341x_mpeg_params p = itv->params; - int err = cx2341x_ext_ctrls(&p, atomic_read(&itv->capturing), c, VIDIOC_S_EXT_CTRLS); - unsigned idx; - - if (err) - return err; + static const u32 freqs[3] = { 44100, 48000, 32000 }; + struct ivtv *itv = container_of(cxhdl, struct ivtv, cxhdl); - if (p.video_encoding != itv->params.video_encoding) { - int is_mpeg1 = p.video_encoding == - V4L2_MPEG_VIDEO_ENCODING_MPEG_1; - struct v4l2_mbus_framefmt fmt; - - /* fix videodecoder resolution */ - fmt.width = itv->params.width / (is_mpeg1 ? 2 : 1); - fmt.height = itv->params.height; - fmt.code = V4L2_MBUS_FMT_FIXED; - v4l2_subdev_call(itv->sd_video, video, s_mbus_fmt, &fmt); - } - err = cx2341x_update(itv, ivtv_api_func, &itv->params, &p); - if (!err && itv->params.stream_vbi_fmt != p.stream_vbi_fmt) - err = ivtv_setup_vbi_fmt(itv, p.stream_vbi_fmt); - itv->params = p; - itv->dualwatch_stereo_mode = p.audio_properties & 0x0300; - idx = p.audio_properties & 0x03; - /* The audio clock of the digitizer must match the codec sample - rate otherwise you get some very strange effects. */ - if (idx < ARRAY_SIZE(freqs)) - ivtv_call_all(itv, audio, s_clock_freq, freqs[idx]); - return err; - } - return -EINVAL; + /* The audio clock of the digitizer must match the codec sample + rate otherwise you get some very strange effects. */ + if (idx < ARRAY_SIZE(freqs)) + ivtv_call_all(itv, audio, s_clock_freq, freqs[idx]); + return 0; } -int ivtv_try_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *c) +static int ivtv_s_audio_mode(struct cx2341x_handler *cxhdl, u32 val) { - struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; + struct ivtv *itv = container_of(cxhdl, struct ivtv, cxhdl); - if (c->ctrl_class == V4L2_CTRL_CLASS_USER) { - int i; - int err = 0; - - for (i = 0; i < c->count; i++) { - err = ivtv_try_ctrl(file, fh, &c->controls[i]); - if (err) { - c->error_idx = i; - break; - } - } - return err; - } - if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG) - return cx2341x_ext_ctrls(&itv->params, atomic_read(&itv->capturing), c, VIDIOC_TRY_EXT_CTRLS); - return -EINVAL; + itv->dualwatch_stereo_mode = val; + return 0; } + +struct cx2341x_handler_ops ivtv_cxhdl_ops = { + .s_audio_mode = ivtv_s_audio_mode, + .s_audio_sampling_freq = ivtv_s_audio_sampling_freq, + .s_video_encoding = ivtv_s_video_encoding, + .s_stream_vbi_fmt = ivtv_s_stream_vbi_fmt, +}; diff --git a/drivers/media/video/ivtv/ivtv-controls.h b/drivers/media/video/ivtv/ivtv-controls.h index 1c7721e..d12893d 100644 --- a/drivers/media/video/ivtv/ivtv-controls.h +++ b/drivers/media/video/ivtv/ivtv-controls.h @@ -21,10 +21,6 @@ #ifndef IVTV_CONTROLS_H #define IVTV_CONTROLS_H -int ivtv_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *a); -int ivtv_g_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *a); -int ivtv_s_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *a); -int ivtv_try_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *a); -int ivtv_querymenu(struct file *file, void *fh, struct v4l2_querymenu *a); +extern struct cx2341x_handler_ops ivtv_cxhdl_ops; #endif diff --git a/drivers/media/video/ivtv/ivtv-driver.c b/drivers/media/video/ivtv/ivtv-driver.c index 07c5c18..e421d15 100644 --- a/drivers/media/video/ivtv/ivtv-driver.c +++ b/drivers/media/video/ivtv/ivtv-driver.c @@ -53,6 +53,7 @@ #include "ivtv-cards.h" #include "ivtv-vbi.h" #include "ivtv-routing.h" +#include "ivtv-controls.h" #include "ivtv-gpio.h" #include <media/tveeprom.h> @@ -734,9 +735,8 @@ static int __devinit ivtv_init_struct1(struct ivtv *itv) itv->open_id = 1; /* Initial settings */ - cx2341x_fill_defaults(&itv->params); - itv->params.port = CX2341X_PORT_MEMORY; - itv->params.capabilities = CX2341X_CAP_HAS_SLICED_VBI; + itv->cxhdl.port = CX2341X_PORT_MEMORY; + itv->cxhdl.capabilities = CX2341X_CAP_HAS_SLICED_VBI; init_waitqueue_head(&itv->eos_waitq); init_waitqueue_head(&itv->event_waitq); init_waitqueue_head(&itv->vsync_waitq); @@ -1006,6 +1006,13 @@ static int __devinit ivtv_probe(struct pci_dev *pdev, retval = -ENOMEM; goto err; } + retval = cx2341x_handler_init(&itv->cxhdl, 50); + if (retval) + goto err; + itv->v4l2_dev.ctrl_handler = &itv->cxhdl.hdl; + itv->cxhdl.ops = &ivtv_cxhdl_ops; + itv->cxhdl.priv = itv; + itv->cxhdl.func = ivtv_api_func; IVTV_DEBUG_INFO("base addr: 0x%08x\n", itv->base_addr); @@ -1127,7 +1134,7 @@ static int __devinit ivtv_probe(struct pci_dev *pdev, itv->yuv_info.v4l2_src_w = itv->yuv_info.osd_full_w; itv->yuv_info.v4l2_src_h = itv->yuv_info.osd_full_h; - itv->params.video_gop_size = itv->is_60hz ? 15 : 12; + cx2341x_handler_set_50hz(&itv->cxhdl, itv->is_50hz); itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_MPG] = 0x08000; itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_PCM] = 0x01200; @@ -1269,15 +1276,8 @@ int ivtv_init_on_first_open(struct ivtv *itv) IVTV_DEBUG_INFO("Getting firmware version..\n"); ivtv_firmware_versions(itv); - if (itv->card->hw_all & IVTV_HW_CX25840) { - struct v4l2_control ctrl; - + if (itv->card->hw_all & IVTV_HW_CX25840) v4l2_subdev_call(itv->sd_video, core, load_fw); - /* CX25840_CID_ENABLE_PVR150_WORKAROUND */ - ctrl.id = V4L2_CID_PRIVATE_BASE; - ctrl.value = itv->pvr150_workaround; - v4l2_subdev_call(itv->sd_video, core, s_ctrl, &ctrl); - } vf.tuner = 0; vf.type = V4L2_TUNER_ANALOG_TV; @@ -1329,6 +1329,8 @@ int ivtv_init_on_first_open(struct ivtv *itv) /* For cards with video out, this call needs interrupts enabled */ ivtv_s_std(NULL, &fh, &itv->tuner_std); + /* Setup initial controls */ + cx2341x_handler_setup(&itv->cxhdl); return 0; } diff --git a/drivers/media/video/ivtv/ivtv-driver.h b/drivers/media/video/ivtv/ivtv-driver.h index 102071246..7580314 100644 --- a/drivers/media/video/ivtv/ivtv-driver.h +++ b/drivers/media/video/ivtv/ivtv-driver.h @@ -62,6 +62,7 @@ #include <linux/dvb/audio.h> #include <media/v4l2-common.h> #include <media/v4l2-ioctl.h> +#include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> #include <media/v4l2-fh.h> #include <media/tuner.h> @@ -631,6 +632,8 @@ struct ivtv { struct ivtv_options options; /* user options */ struct v4l2_device v4l2_dev; + struct cx2341x_handler cxhdl; + struct v4l2_ctrl_handler hdl_gpio; struct v4l2_subdev sd_gpio; /* GPIO sub-device */ u16 instance; @@ -648,7 +651,6 @@ struct ivtv { v4l2_std_id std_out; /* current TV output standard */ u8 audio_stereo_mode; /* decoder setting how to handle stereo MPEG audio */ u8 audio_bilingual_mode; /* decoder setting how to handle bilingual MPEG audio */ - struct cx2341x_mpeg_params params; /* current encoder parameters */ /* Locking */ diff --git a/drivers/media/video/ivtv/ivtv-fileops.c b/drivers/media/video/ivtv/ivtv-fileops.c index a6a2cdb..d727485 100644 --- a/drivers/media/video/ivtv/ivtv-fileops.c +++ b/drivers/media/video/ivtv/ivtv-fileops.c @@ -150,12 +150,10 @@ void ivtv_release_stream(struct ivtv_stream *s) static void ivtv_dualwatch(struct ivtv *itv) { struct v4l2_tuner vt; - u32 new_bitmap; u32 new_stereo_mode; - const u32 stereo_mask = 0x0300; - const u32 dual = 0x0200; + const u32 dual = 0x02; - new_stereo_mode = itv->params.audio_properties & stereo_mask; + new_stereo_mode = v4l2_ctrl_g_ctrl(itv->cxhdl.audio_mode); memset(&vt, 0, sizeof(vt)); ivtv_call_all(itv, tuner, g_tuner, &vt); if (vt.audmode == V4L2_TUNER_MODE_LANG1_LANG2 && (vt.rxsubchans & V4L2_TUNER_SUB_LANG2)) @@ -164,16 +162,10 @@ static void ivtv_dualwatch(struct ivtv *itv) if (new_stereo_mode == itv->dualwatch_stereo_mode) return; - new_bitmap = new_stereo_mode | (itv->params.audio_properties & ~stereo_mask); - - IVTV_DEBUG_INFO("dualwatch: change stereo flag from 0x%x to 0x%x. new audio_bitmask=0x%ux\n", - itv->dualwatch_stereo_mode, new_stereo_mode, new_bitmap); - - if (ivtv_vapi(itv, CX2341X_ENC_SET_AUDIO_PROPERTIES, 1, new_bitmap) == 0) { - itv->dualwatch_stereo_mode = new_stereo_mode; - return; - } - IVTV_DEBUG_INFO("dualwatch: changing stereo flag failed\n"); + IVTV_DEBUG_INFO("dualwatch: change stereo flag from 0x%x to 0x%x.\n", + itv->dualwatch_stereo_mode, new_stereo_mode); + if (v4l2_ctrl_s_ctrl(itv->cxhdl.audio_mode, new_stereo_mode)) + IVTV_DEBUG_INFO("dualwatch: changing stereo flag failed\n"); } static void ivtv_update_pgm_info(struct ivtv *itv) @@ -894,7 +886,8 @@ int ivtv_v4l2_close(struct file *filp) if (atomic_read(&itv->capturing) > 0) { /* Undo video mute */ ivtv_vapi(itv, CX2341X_ENC_MUTE_VIDEO, 1, - itv->params.video_mute | (itv->params.video_mute_yuv << 8)); + v4l2_ctrl_g_ctrl(itv->cxhdl.video_mute) | + (v4l2_ctrl_g_ctrl(itv->cxhdl.video_mute_yuv) << 8)); } /* Done! Unmute and continue. */ ivtv_unmute(itv); diff --git a/drivers/media/video/ivtv/ivtv-firmware.c b/drivers/media/video/ivtv/ivtv-firmware.c index d8bf2b0..4df0194 100644 --- a/drivers/media/video/ivtv/ivtv-firmware.c +++ b/drivers/media/video/ivtv/ivtv-firmware.c @@ -248,9 +248,9 @@ void ivtv_init_mpeg_decoder(struct ivtv *itv) volatile u8 __iomem *mem_offset; data[0] = 0; - data[1] = itv->params.width; /* YUV source width */ - data[2] = itv->params.height; - data[3] = itv->params.audio_properties; /* Audio settings to use, + data[1] = itv->cxhdl.width; /* YUV source width */ + data[2] = itv->cxhdl.height; + data[3] = itv->cxhdl.audio_properties; /* Audio settings to use, bitmap. see docs. */ if (ivtv_api(itv, CX2341X_DEC_SET_DECODER_SOURCE, 4, data)) { IVTV_ERR("ivtv_init_mpeg_decoder failed to set decoder source\n"); diff --git a/drivers/media/video/ivtv/ivtv-gpio.c b/drivers/media/video/ivtv/ivtv-gpio.c index aede061..8f0d077 100644 --- a/drivers/media/video/ivtv/ivtv-gpio.c +++ b/drivers/media/video/ivtv/ivtv-gpio.c @@ -24,6 +24,7 @@ #include "ivtv-gpio.h" #include "tuner-xc2028.h" #include <media/tuner.h> +#include <media/v4l2-ctrls.h> /* * GPIO assignment of Yuan MPG600/MPG160 @@ -149,16 +150,10 @@ static inline struct ivtv *sd_to_ivtv(struct v4l2_subdev *sd) return container_of(sd, struct ivtv, sd_gpio); } -static struct v4l2_queryctrl gpio_ctrl_mute = { - .id = V4L2_CID_AUDIO_MUTE, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Mute", - .minimum = 0, - .maximum = 1, - .step = 1, - .default_value = 1, - .flags = 0, -}; +static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) +{ + return &container_of(ctrl->handler, struct ivtv, hdl_gpio)->sd_gpio; +} static int subdev_s_clock_freq(struct v4l2_subdev *sd, u32 freq) { @@ -262,40 +257,24 @@ static int subdev_s_audio_routing(struct v4l2_subdev *sd, return 0; } -static int subdev_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) +static int subdev_s_ctrl(struct v4l2_ctrl *ctrl) { + struct v4l2_subdev *sd = to_sd(ctrl); struct ivtv *itv = sd_to_ivtv(sd); u16 mask, data; - if (ctrl->id != V4L2_CID_AUDIO_MUTE) - return -EINVAL; - mask = itv->card->gpio_audio_mute.mask; - data = itv->card->gpio_audio_mute.mute; - ctrl->value = (read_reg(IVTV_REG_GPIO_OUT) & mask) == data; - return 0; -} - -static int subdev_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) -{ - struct ivtv *itv = sd_to_ivtv(sd); - u16 mask, data; - - if (ctrl->id != V4L2_CID_AUDIO_MUTE) - return -EINVAL; - mask = itv->card->gpio_audio_mute.mask; - data = ctrl->value ? itv->card->gpio_audio_mute.mute : 0; - if (mask) - write_reg((read_reg(IVTV_REG_GPIO_OUT) & ~mask) | (data & mask), IVTV_REG_GPIO_OUT); - return 0; + switch (ctrl->id) { + case V4L2_CID_AUDIO_MUTE: + mask = itv->card->gpio_audio_mute.mask; + data = ctrl->val ? itv->card->gpio_audio_mute.mute : 0; + if (mask) + write_reg((read_reg(IVTV_REG_GPIO_OUT) & ~mask) | + (data & mask), IVTV_REG_GPIO_OUT); + return 0; + } + return -EINVAL; } -static int subdev_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc) -{ - if (qc->id != V4L2_CID_AUDIO_MUTE) - return -EINVAL; - *qc = gpio_ctrl_mute; - return 0; -} static int subdev_log_status(struct v4l2_subdev *sd) { @@ -304,6 +283,7 @@ static int subdev_log_status(struct v4l2_subdev *sd) IVTV_INFO("GPIO status: DIR=0x%04x OUT=0x%04x IN=0x%04x\n", read_reg(IVTV_REG_GPIO_DIR), read_reg(IVTV_REG_GPIO_OUT), read_reg(IVTV_REG_GPIO_IN)); + v4l2_ctrl_handler_log_status(&itv->hdl_gpio, sd->name); return 0; } @@ -327,11 +307,19 @@ static int subdev_s_video_routing(struct v4l2_subdev *sd, return 0; } +static const struct v4l2_ctrl_ops gpio_ctrl_ops = { + .s_ctrl = subdev_s_ctrl, +}; + static const struct v4l2_subdev_core_ops subdev_core_ops = { .log_status = subdev_log_status, - .g_ctrl = subdev_g_ctrl, - .s_ctrl = subdev_s_ctrl, - .queryctrl = subdev_queryctrl, + .g_ext_ctrls = v4l2_subdev_g_ext_ctrls, + .try_ext_ctrls = v4l2_subdev_try_ext_ctrls, + .s_ext_ctrls = v4l2_subdev_s_ext_ctrls, + .g_ctrl = v4l2_subdev_g_ctrl, + .s_ctrl = v4l2_subdev_s_ctrl, + .queryctrl = v4l2_subdev_queryctrl, + .querymenu = v4l2_subdev_querymenu, }; static const struct v4l2_subdev_tuner_ops subdev_tuner_ops = { @@ -375,5 +363,12 @@ int ivtv_gpio_init(struct ivtv *itv) v4l2_subdev_init(&itv->sd_gpio, &subdev_ops); snprintf(itv->sd_gpio.name, sizeof(itv->sd_gpio.name), "%s-gpio", itv->v4l2_dev.name); itv->sd_gpio.grp_id = IVTV_HW_GPIO; + v4l2_ctrl_handler_init(&itv->hdl_gpio, 1); + v4l2_ctrl_new_std(&itv->hdl_gpio, &gpio_ctrl_ops, + V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0); + if (itv->hdl_gpio.error) + return itv->hdl_gpio.error; + itv->sd_gpio.ctrl_handler = &itv->hdl_gpio; + v4l2_ctrl_handler_setup(&itv->hdl_gpio); return v4l2_device_register_subdev(&itv->v4l2_dev, &itv->sd_gpio); } diff --git a/drivers/media/video/ivtv/ivtv-i2c.c b/drivers/media/video/ivtv/ivtv-i2c.c index a5b92d1..d391bbd 100644 --- a/drivers/media/video/ivtv/ivtv-i2c.c +++ b/drivers/media/video/ivtv/ivtv-i2c.c @@ -63,6 +63,7 @@ #include "ivtv-cards.h" #include "ivtv-gpio.h" #include "ivtv-i2c.h" +#include <media/cx25840.h> /* i2c implementation for cx23415/6 chip, ivtv project. * Author: Kevin Thayer (nufan_wfk at yahoo.com) @@ -292,6 +293,12 @@ int ivtv_i2c_register(struct ivtv *itv, unsigned idx) if (hw == IVTV_HW_UPD64031A || hw == IVTV_HW_UPD6408X) { sd = v4l2_i2c_new_subdev(&itv->v4l2_dev, adap, mod, type, 0, I2C_ADDRS(hw_addrs[idx])); + } else if (hw == IVTV_HW_CX25840) { + struct cx25840_platform_data pdata; + + pdata.pvr150_workaround = itv->pvr150_workaround; + sd = v4l2_i2c_new_subdev_cfg(&itv->v4l2_dev, + adap, mod, type, 0, &pdata, hw_addrs[idx], NULL); } else { sd = v4l2_i2c_new_subdev(&itv->v4l2_dev, adap, mod, type, hw_addrs[idx], NULL); diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c index 11ac2fa..4eed912 100644 --- a/drivers/media/video/ivtv/ivtv-ioctl.c +++ b/drivers/media/video/ivtv/ivtv-ioctl.c @@ -162,7 +162,7 @@ int ivtv_set_speed(struct ivtv *itv, int speed) data[0] |= (speed > 1000 || speed < -1500) ? 0x40000000 : 0; data[1] = (speed < 0); data[2] = speed < 0 ? 3 : 7; - data[3] = itv->params.video_b_frames; + data[3] = v4l2_ctrl_g_ctrl(itv->cxhdl.video_b_frames); data[4] = (speed == 1500 || speed == 500) ? itv->speed_mute_audio : 0; data[5] = 0; data[6] = 0; @@ -339,8 +339,8 @@ static int ivtv_g_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *f struct ivtv *itv = id->itv; struct v4l2_pix_format *pixfmt = &fmt->fmt.pix; - pixfmt->width = itv->params.width; - pixfmt->height = itv->params.height; + pixfmt->width = itv->cxhdl.width; + pixfmt->height = itv->cxhdl.height; pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M; pixfmt->field = V4L2_FIELD_INTERLACED; pixfmt->priv = 0; @@ -568,7 +568,6 @@ static int ivtv_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *f { struct ivtv_open_id *id = fh; struct ivtv *itv = id->itv; - struct cx2341x_mpeg_params *p = &itv->params; struct v4l2_mbus_framefmt mbus_fmt; int ret = ivtv_try_fmt_vid_cap(file, fh, fmt); int w = fmt->fmt.pix.width; @@ -577,15 +576,15 @@ static int ivtv_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *f if (ret) return ret; - if (p->width == w && p->height == h) + if (itv->cxhdl.width == w && itv->cxhdl.height == h) return 0; if (atomic_read(&itv->capturing) > 0) return -EBUSY; - p->width = w; - p->height = h; - if (p->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1) + itv->cxhdl.width = w; + itv->cxhdl.height = h; + if (v4l2_ctrl_g_ctrl(itv->cxhdl.video_encoding) == V4L2_MPEG_VIDEO_ENCODING_MPEG_1) fmt->fmt.pix.width /= 2; mbus_fmt.width = fmt->fmt.pix.width; mbus_fmt.height = h; @@ -1114,9 +1113,10 @@ int ivtv_s_std(struct file *file, void *fh, v4l2_std_id *std) itv->std = *std; itv->is_60hz = (*std & V4L2_STD_525_60) ? 1 : 0; - itv->params.is_50hz = itv->is_50hz = !itv->is_60hz; - itv->params.width = 720; - itv->params.height = itv->is_50hz ? 576 : 480; + itv->is_50hz = !itv->is_60hz; + cx2341x_handler_set_50hz(&itv->cxhdl, itv->is_50hz); + itv->cxhdl.width = 720; + itv->cxhdl.height = itv->is_50hz ? 576 : 480; itv->vbi.count = itv->is_50hz ? 18 : 12; itv->vbi.start[0] = itv->is_50hz ? 6 : 10; itv->vbi.start[1] = itv->is_50hz ? 318 : 273; @@ -1157,7 +1157,7 @@ int ivtv_s_std(struct file *file, void *fh, v4l2_std_id *std) ivtv_vapi(itv, CX2341X_DEC_SET_STANDARD, 1, itv->is_out_50hz); itv->main_rect.left = itv->main_rect.top = 0; itv->main_rect.width = 720; - itv->main_rect.height = itv->params.height; + itv->main_rect.height = itv->cxhdl.height; ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4, 720, itv->main_rect.height, 0, 0); yi->main_rect = itv->main_rect; @@ -1554,7 +1554,7 @@ static int ivtv_log_status(struct file *file, void *fh) } IVTV_INFO("Tuner: %s\n", test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ? "Radio" : "TV"); - cx2341x_log_status(&itv->params, itv->v4l2_dev.name); + v4l2_ctrl_handler_log_status(&itv->cxhdl.hdl, itv->v4l2_dev.name); IVTV_INFO("Status flags: 0x%08lx\n", itv->i_flags); for (i = 0; i < IVTV_MAX_STREAMS; i++) { struct ivtv_stream *s = &itv->streams[i]; @@ -1942,11 +1942,6 @@ static const struct v4l2_ioctl_ops ivtv_ioctl_ops = { .vidioc_s_register = ivtv_s_register, #endif .vidioc_default = ivtv_default, - .vidioc_queryctrl = ivtv_queryctrl, - .vidioc_querymenu = ivtv_querymenu, - .vidioc_g_ext_ctrls = ivtv_g_ext_ctrls, - .vidioc_s_ext_ctrls = ivtv_s_ext_ctrls, - .vidioc_try_ext_ctrls = ivtv_try_ext_ctrls, .vidioc_subscribe_event = ivtv_subscribe_event, .vidioc_unsubscribe_event = v4l2_event_unsubscribe, }; diff --git a/drivers/media/video/ivtv/ivtv-streams.c b/drivers/media/video/ivtv/ivtv-streams.c index 55df419..512607e 100644 --- a/drivers/media/video/ivtv/ivtv-streams.c +++ b/drivers/media/video/ivtv/ivtv-streams.c @@ -210,6 +210,7 @@ static int ivtv_prep_dev(struct ivtv *itv, int type) s->vdev->num = num; s->vdev->v4l2_dev = &itv->v4l2_dev; + s->vdev->ctrl_handler = itv->v4l2_dev.ctrl_handler; s->vdev->fops = ivtv_stream_info[type].fops; s->vdev->release = video_device_release; s->vdev->tvnorms = V4L2_STD_ALL; @@ -451,7 +452,6 @@ int ivtv_start_v4l2_encode_stream(struct ivtv_stream *s) { u32 data[CX2341X_MBOX_MAX_DATA]; struct ivtv *itv = s->itv; - struct cx2341x_mpeg_params *p = &itv->params; int captype = 0, subtype = 0; int enable_passthrough = 0; @@ -472,7 +472,7 @@ int ivtv_start_v4l2_encode_stream(struct ivtv_stream *s) } itv->mpg_data_received = itv->vbi_data_inserted = 0; itv->dualwatch_jiffies = jiffies; - itv->dualwatch_stereo_mode = p->audio_properties & 0x0300; + itv->dualwatch_stereo_mode = v4l2_ctrl_g_ctrl(itv->cxhdl.audio_mode); itv->search_pack_header = 0; break; @@ -560,12 +560,12 @@ int ivtv_start_v4l2_encode_stream(struct ivtv_stream *s) itv->pgm_info_offset, itv->pgm_info_num); /* Setup API for Stream */ - cx2341x_update(itv, ivtv_api_func, NULL, p); + cx2341x_handler_setup(&itv->cxhdl); /* mute if capturing radio */ if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags)) ivtv_vapi(itv, CX2341X_ENC_MUTE_VIDEO, 1, - 1 | (p->video_mute_yuv << 8)); + 1 | (v4l2_ctrl_g_ctrl(itv->cxhdl.video_mute_yuv) << 8)); } /* Vsync Setup */ @@ -581,6 +581,8 @@ int ivtv_start_v4l2_encode_stream(struct ivtv_stream *s) clear_bit(IVTV_F_I_EOS, &itv->i_flags); + cx2341x_handler_set_busy(&itv->cxhdl, 1); + /* Initialize Digitizer for Capture */ /* Avoid tinny audio problem - ensure audio clocks are going */ v4l2_subdev_call(itv->sd_audio, audio, s_stream, 1); @@ -617,7 +619,6 @@ static int ivtv_setup_v4l2_decode_stream(struct ivtv_stream *s) { u32 data[CX2341X_MBOX_MAX_DATA]; struct ivtv *itv = s->itv; - struct cx2341x_mpeg_params *p = &itv->params; int datatype; u16 width; u16 height; @@ -627,8 +628,8 @@ static int ivtv_setup_v4l2_decode_stream(struct ivtv_stream *s) IVTV_DEBUG_INFO("Setting some initial decoder settings\n"); - width = p->width; - height = p->height; + width = itv->cxhdl.width; + height = itv->cxhdl.height; /* set audio mode to left/stereo for dual/stereo mode. */ ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode); @@ -668,7 +669,7 @@ static int ivtv_setup_v4l2_decode_stream(struct ivtv_stream *s) break; } if (ivtv_vapi(itv, CX2341X_DEC_SET_DECODER_SOURCE, 4, datatype, - width, height, p->audio_properties)) { + width, height, itv->cxhdl.audio_properties)) { IVTV_DEBUG_WARN("Couldn't initialize decoder source\n"); } @@ -847,6 +848,8 @@ int ivtv_stop_v4l2_encode_stream(struct ivtv_stream *s, int gop_end) return 0; } + cx2341x_handler_set_busy(&itv->cxhdl, 0); + /* Set the following Interrupt mask bits for capture */ ivtv_set_irq_mask(itv, IVTV_IRQ_MASK_CAPTURE); del_timer(&itv->dma_timer); @@ -967,7 +970,8 @@ int ivtv_passthrough_mode(struct ivtv *itv, int enable) /* Setup capture if not already done */ if (atomic_read(&itv->capturing) == 0) { - cx2341x_update(itv, ivtv_api_func, NULL, &itv->params); + cx2341x_handler_setup(&itv->cxhdl); + cx2341x_handler_set_busy(&itv->cxhdl, 1); } /* Start Passthrough Mode */ @@ -988,6 +992,8 @@ int ivtv_passthrough_mode(struct ivtv *itv, int enable) clear_bit(IVTV_F_S_PASSTHROUGH, &dec_stream->s_flags); clear_bit(IVTV_F_S_STREAMING, &dec_stream->s_flags); itv->output_mode = OUT_NONE; + if (atomic_read(&itv->capturing) == 0) + cx2341x_handler_set_busy(&itv->cxhdl, 0); return 0; } diff --git a/drivers/media/video/msp3400-driver.c b/drivers/media/video/msp3400-driver.c index e9df3cb..0e41213 100644 --- a/drivers/media/video/msp3400-driver.c +++ b/drivers/media/video/msp3400-driver.c @@ -283,51 +283,6 @@ void msp_set_scart(struct i2c_client *client, int in, int out) msp_write_dem(client, 0x40, state->i2s_mode); } -void msp_set_audio(struct i2c_client *client) -{ - struct msp_state *state = to_state(i2c_get_clientdata(client)); - int bal = 0, bass, treble, loudness; - int val = 0; - int reallymuted = state->muted | state->scan_in_progress; - - if (!reallymuted) - val = (state->volume * 0x7f / 65535) << 8; - - v4l_dbg(1, msp_debug, client, "mute=%s scanning=%s volume=%d\n", - state->muted ? "on" : "off", - state->scan_in_progress ? "yes" : "no", - state->volume); - - msp_write_dsp(client, 0x0000, val); - msp_write_dsp(client, 0x0007, reallymuted ? 0x1 : (val | 0x1)); - if (state->has_scart2_out_volume) - msp_write_dsp(client, 0x0040, reallymuted ? 0x1 : (val | 0x1)); - if (state->has_headphones) - msp_write_dsp(client, 0x0006, val); - if (!state->has_sound_processing) - return; - - if (val) - bal = (u8)((state->balance / 256) - 128); - bass = ((state->bass - 32768) * 0x60 / 65535) << 8; - treble = ((state->treble - 32768) * 0x60 / 65535) << 8; - loudness = state->loudness ? ((5 * 4) << 8) : 0; - - v4l_dbg(1, msp_debug, client, "balance=%d bass=%d treble=%d loudness=%d\n", - state->balance, state->bass, state->treble, state->loudness); - - msp_write_dsp(client, 0x0001, bal << 8); - msp_write_dsp(client, 0x0002, bass); - msp_write_dsp(client, 0x0003, treble); - msp_write_dsp(client, 0x0004, loudness); - if (!state->has_headphones) - return; - msp_write_dsp(client, 0x0030, bal << 8); - msp_write_dsp(client, 0x0031, bass); - msp_write_dsp(client, 0x0032, treble); - msp_write_dsp(client, 0x0033, loudness); -} - /* ------------------------------------------------------------------------ */ static void msp_wake_thread(struct i2c_client *client) @@ -363,98 +318,73 @@ int msp_sleep(struct msp_state *state, int timeout) /* ------------------------------------------------------------------------ */ -static int msp_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) +static int msp_s_ctrl(struct v4l2_ctrl *ctrl) { - struct msp_state *state = to_state(sd); + struct msp_state *state = ctrl_to_state(ctrl); + struct i2c_client *client = v4l2_get_subdevdata(&state->sd); + int val = ctrl->val; switch (ctrl->id) { - case V4L2_CID_AUDIO_VOLUME: - ctrl->value = state->volume; - break; - - case V4L2_CID_AUDIO_MUTE: - ctrl->value = state->muted; - break; - - case V4L2_CID_AUDIO_BALANCE: - if (!state->has_sound_processing) - return -EINVAL; - ctrl->value = state->balance; - break; - - case V4L2_CID_AUDIO_BASS: - if (!state->has_sound_processing) - return -EINVAL; - ctrl->value = state->bass; + case V4L2_CID_AUDIO_VOLUME: { + /* audio volume cluster */ + int reallymuted = state->muted->val | state->scan_in_progress; + + if (!reallymuted) + val = (val * 0x7f / 65535) << 8; + + v4l_dbg(1, msp_debug, client, "mute=%s scanning=%s volume=%d\n", + state->muted->val ? "on" : "off", + state->scan_in_progress ? "yes" : "no", + state->volume->val); + + msp_write_dsp(client, 0x0000, val); + msp_write_dsp(client, 0x0007, reallymuted ? 0x1 : (val | 0x1)); + if (state->has_scart2_out_volume) + msp_write_dsp(client, 0x0040, reallymuted ? 0x1 : (val | 0x1)); + if (state->has_headphones) + msp_write_dsp(client, 0x0006, val); break; - - case V4L2_CID_AUDIO_TREBLE: - if (!state->has_sound_processing) - return -EINVAL; - ctrl->value = state->treble; - break; - - case V4L2_CID_AUDIO_LOUDNESS: - if (!state->has_sound_processing) - return -EINVAL; - ctrl->value = state->loudness; - break; - - default: - return -EINVAL; } - return 0; -} - -static int msp_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) -{ - struct msp_state *state = to_state(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - - switch (ctrl->id) { - case V4L2_CID_AUDIO_VOLUME: - state->volume = ctrl->value; - if (state->volume == 0) - state->balance = 32768; - break; - - case V4L2_CID_AUDIO_MUTE: - if (ctrl->value < 0 || ctrl->value >= 2) - return -ERANGE; - state->muted = ctrl->value; - break; case V4L2_CID_AUDIO_BASS: - if (!state->has_sound_processing) - return -EINVAL; - state->bass = ctrl->value; + val = ((val - 32768) * 0x60 / 65535) << 8; + msp_write_dsp(client, 0x0002, val); + if (state->has_headphones) + msp_write_dsp(client, 0x0031, val); break; case V4L2_CID_AUDIO_TREBLE: - if (!state->has_sound_processing) - return -EINVAL; - state->treble = ctrl->value; + val = ((val - 32768) * 0x60 / 65535) << 8; + msp_write_dsp(client, 0x0003, val); + if (state->has_headphones) + msp_write_dsp(client, 0x0032, val); break; case V4L2_CID_AUDIO_LOUDNESS: - if (!state->has_sound_processing) - return -EINVAL; - state->loudness = ctrl->value; + val = val ? ((5 * 4) << 8) : 0; + msp_write_dsp(client, 0x0004, val); + if (state->has_headphones) + msp_write_dsp(client, 0x0033, val); break; case V4L2_CID_AUDIO_BALANCE: - if (!state->has_sound_processing) - return -EINVAL; - state->balance = ctrl->value; + val = (u8)((val / 256) - 128); + msp_write_dsp(client, 0x0001, val << 8); + if (state->has_headphones) + msp_write_dsp(client, 0x0030, val << 8); break; default: return -EINVAL; } - msp_set_audio(client); return 0; } +void msp_update_volume(struct msp_state *state) +{ + v4l2_ctrl_s_ctrl(state->volume, v4l2_ctrl_g_ctrl(state->volume)); +} + /* --- v4l2 ioctls --- */ static int msp_s_radio(struct v4l2_subdev *sd) { @@ -472,7 +402,7 @@ static int msp_s_radio(struct v4l2_subdev *sd) msp3400c_set_mode(client, MSP_MODE_FM_RADIO); msp3400c_set_carrier(client, MSP_CARRIER(10.7), MSP_CARRIER(10.7)); - msp_set_audio(client); + msp_update_volume(state); break; case OPMODE_AUTODETECT: case OPMODE_AUTOSELECT: @@ -592,33 +522,6 @@ static int msp_s_i2s_clock_freq(struct v4l2_subdev *sd, u32 freq) return 0; } -static int msp_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc) -{ - struct msp_state *state = to_state(sd); - - switch (qc->id) { - case V4L2_CID_AUDIO_VOLUME: - return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 58880); - case V4L2_CID_AUDIO_MUTE: - return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0); - default: - break; - } - if (!state->has_sound_processing) - return -EINVAL; - switch (qc->id) { - case V4L2_CID_AUDIO_LOUDNESS: - return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0); - case V4L2_CID_AUDIO_BALANCE: - case V4L2_CID_AUDIO_BASS: - case V4L2_CID_AUDIO_TREBLE: - return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 32768); - default: - return -EINVAL; - } - return 0; -} - static int msp_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip) { struct msp_state *state = to_state(sd); @@ -633,19 +536,14 @@ static int msp_log_status(struct v4l2_subdev *sd) struct msp_state *state = to_state(sd); struct i2c_client *client = v4l2_get_subdevdata(sd); const char *p; + char prefix[V4L2_SUBDEV_NAME_SIZE + 20]; if (state->opmode == OPMODE_AUTOSELECT) msp_detect_stereo(client); v4l_info(client, "%s rev1 = 0x%04x rev2 = 0x%04x\n", client->name, state->rev1, state->rev2); - v4l_info(client, "Audio: volume %d%s\n", - state->volume, state->muted ? " (muted)" : ""); - if (state->has_sound_processing) { - v4l_info(client, "Audio: balance %d bass %d treble %d loudness %s\n", - state->balance, state->bass, - state->treble, - state->loudness ? "on" : "off"); - } + snprintf(prefix, sizeof(prefix), "%s: Audio: ", sd->name); + v4l2_ctrl_handler_log_status(&state->hdl, prefix); switch (state->mode) { case MSP_MODE_AM_DETECT: p = "AM (for carrier detect)"; break; case MSP_MODE_FM_RADIO: p = "FM Radio"; break; @@ -695,12 +593,20 @@ static int msp_resume(struct i2c_client *client) /* ----------------------------------------------------------------------- */ +static const struct v4l2_ctrl_ops msp_ctrl_ops = { + .s_ctrl = msp_s_ctrl, +}; + static const struct v4l2_subdev_core_ops msp_core_ops = { .log_status = msp_log_status, .g_chip_ident = msp_g_chip_ident, - .g_ctrl = msp_g_ctrl, - .s_ctrl = msp_s_ctrl, - .queryctrl = msp_queryctrl, + .g_ext_ctrls = v4l2_subdev_g_ext_ctrls, + .try_ext_ctrls = v4l2_subdev_try_ext_ctrls, + .s_ext_ctrls = v4l2_subdev_s_ext_ctrls, + .g_ctrl = v4l2_subdev_g_ctrl, + .s_ctrl = v4l2_subdev_s_ctrl, + .queryctrl = v4l2_subdev_queryctrl, + .querymenu = v4l2_subdev_querymenu, .s_std = msp_s_std, }; @@ -728,6 +634,7 @@ static int msp_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct msp_state *state; struct v4l2_subdev *sd; + struct v4l2_ctrl_handler *hdl; int (*thread_func)(void *data) = NULL; int msp_hard; int msp_family; @@ -752,13 +659,7 @@ static int msp_probe(struct i2c_client *client, const struct i2c_device_id *id) state->v4l2_std = V4L2_STD_NTSC; state->audmode = V4L2_TUNER_MODE_STEREO; - state->volume = 58880; /* 0db gain */ - state->balance = 32768; /* 0db gain */ - state->bass = 32768; - state->treble = 32768; - state->loudness = 0; state->input = -1; - state->muted = 0; state->i2s_mode = 0; init_waitqueue_head(&state->wq); /* These are the reset input/output positions */ @@ -777,8 +678,6 @@ static int msp_probe(struct i2c_client *client, const struct i2c_device_id *id) return -ENODEV; } - msp_set_audio(client); - msp_family = ((state->rev1 >> 4) & 0x0f) + 3; msp_product = (state->rev2 >> 8) & 0xff; msp_prod_hi = msp_product / 10; @@ -849,6 +748,34 @@ static int msp_probe(struct i2c_client *client, const struct i2c_device_id *id) state->opmode = OPMODE_MANUAL; } + hdl = &state->hdl; + v4l2_ctrl_handler_init(hdl, 6); + if (state->has_sound_processing) { + v4l2_ctrl_new_std(hdl, &msp_ctrl_ops, + V4L2_CID_AUDIO_BASS, 0, 65535, 65535 / 100, 32768); + v4l2_ctrl_new_std(hdl, &msp_ctrl_ops, + V4L2_CID_AUDIO_TREBLE, 0, 65535, 65535 / 100, 32768); + v4l2_ctrl_new_std(hdl, &msp_ctrl_ops, + V4L2_CID_AUDIO_LOUDNESS, 0, 1, 1, 0); + } + state->volume = v4l2_ctrl_new_std(hdl, &msp_ctrl_ops, + V4L2_CID_AUDIO_VOLUME, 0, 65535, 65535 / 100, 58880); + v4l2_ctrl_new_std(hdl, &msp_ctrl_ops, + V4L2_CID_AUDIO_BALANCE, 0, 65535, 65535 / 100, 32768); + state->muted = v4l2_ctrl_new_std(hdl, &msp_ctrl_ops, + V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0); + sd->ctrl_handler = hdl; + if (hdl->error) { + int err = hdl->error; + + v4l2_ctrl_handler_free(hdl); + kfree(state); + return err; + } + + v4l2_ctrl_cluster(2, &state->volume); + v4l2_ctrl_handler_setup(hdl); + /* hello world :-) */ v4l_info(client, "MSP%d4%02d%c-%c%d found @ 0x%x (%s)\n", msp_family, msp_product, @@ -903,6 +830,7 @@ static int msp_remove(struct i2c_client *client) } msp_reset(client); + v4l2_ctrl_handler_free(&state->hdl); kfree(state); return 0; } diff --git a/drivers/media/video/msp3400-driver.h b/drivers/media/video/msp3400-driver.h index d6b3e6d..32a478e 100644 --- a/drivers/media/video/msp3400-driver.h +++ b/drivers/media/video/msp3400-driver.h @@ -6,6 +6,7 @@ #include <media/msp3400.h> #include <media/v4l2-device.h> +#include <media/v4l2-ctrls.h> /* ---------------------------------------------------------------------- */ @@ -51,6 +52,7 @@ extern int msp_stereo_thresh; struct msp_state { struct v4l2_subdev sd; + struct v4l2_ctrl_handler hdl; int rev1, rev2; int ident; u8 has_nicam; @@ -87,9 +89,12 @@ struct msp_state { int audmode; int rxsubchans; - int volume, muted; - int balance, loudness; - int bass, treble; + struct { + /* volume cluster */ + struct v4l2_ctrl *volume; + struct v4l2_ctrl *muted; + }; + int scan_in_progress; /* thread */ @@ -104,6 +109,11 @@ static inline struct msp_state *to_state(struct v4l2_subdev *sd) return container_of(sd, struct msp_state, sd); } +static inline struct msp_state *ctrl_to_state(struct v4l2_ctrl *ctrl) +{ + return container_of(ctrl->handler, struct msp_state, hdl); +} + /* msp3400-driver.c */ int msp_write_dem(struct i2c_client *client, int addr, int val); int msp_write_dsp(struct i2c_client *client, int addr, int val); @@ -111,7 +121,7 @@ int msp_read_dem(struct i2c_client *client, int addr); int msp_read_dsp(struct i2c_client *client, int addr); int msp_reset(struct i2c_client *client); void msp_set_scart(struct i2c_client *client, int in, int out); -void msp_set_audio(struct i2c_client *client); +void msp_update_volume(struct msp_state *state); int msp_sleep(struct msp_state *state, int timeout); /* msp3400-kthreads.c */ diff --git a/drivers/media/video/msp3400-kthreads.c b/drivers/media/video/msp3400-kthreads.c index d5a69c5..b376fcd 100644 --- a/drivers/media/video/msp3400-kthreads.c +++ b/drivers/media/video/msp3400-kthreads.c @@ -496,13 +496,13 @@ restart: v4l_dbg(1, msp_debug, client, "thread: no carrier scan\n"); state->scan_in_progress = 0; - msp_set_audio(client); + msp_update_volume(state); continue; } /* mute audio */ state->scan_in_progress = 1; - msp_set_audio(client); + msp_update_volume(state); msp3400c_set_mode(client, MSP_MODE_AM_DETECT); val1 = val2 = 0; @@ -634,7 +634,7 @@ no_second: /* unmute */ state->scan_in_progress = 0; msp3400c_set_audmode(client); - msp_set_audio(client); + msp_update_volume(state); if (msp_debug) msp3400c_print_mode(client); @@ -679,13 +679,13 @@ restart: v4l_dbg(1, msp_debug, client, "thread: no carrier scan\n"); state->scan_in_progress = 0; - msp_set_audio(client); + msp_update_volume(state); continue; } /* mute audio */ state->scan_in_progress = 1; - msp_set_audio(client); + msp_update_volume(state); /* start autodetect. Note: autodetect is not supported for NTSC-M and radio, hence we force the standard in those @@ -797,7 +797,7 @@ restart: /* unmute */ msp3400c_set_audmode(client); state->scan_in_progress = 0; - msp_set_audio(client); + msp_update_volume(state); /* monitor tv audio mode, the first time don't wait so long to get a quick stereo/bilingual result */ @@ -974,7 +974,7 @@ restart: v4l_dbg(1, msp_debug, client, "thread: no carrier scan\n"); state->scan_in_progress = 0; - msp_set_audio(client); + msp_update_volume(state); continue; } @@ -1020,7 +1020,7 @@ unmute: } /* unmute: dispatch sound to scart output, set scart volume */ - msp_set_audio(client); + msp_update_volume(state); /* restore ACB */ if (msp_write_dsp(client, 0x13, state->acb)) diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c index 31cc3d0..758a4db 100644 --- a/drivers/media/video/mt9m111.c +++ b/drivers/media/video/mt9m111.c @@ -1,5 +1,5 @@ /* - * Driver for MT9M111/MT9M112 CMOS Image Sensor from Micron + * Driver for MT9M111/MT9M112/MT9M131 CMOS Image Sensor from Micron/Aptina * * Copyright (C) 2008, Robert Jarzmik <robert.jarzmik@free.fr> * @@ -19,11 +19,14 @@ #include <media/soc_camera.h> /* - * mt9m111 and mt9m112 i2c address is 0x5d or 0x48 (depending on SAddr pin) + * MT9M111, MT9M112 and MT9M131: + * i2c address is 0x48 or 0x5d (depending on SADDR pin) * The platform has to define i2c_board_info and call i2c_register_board_info() */ -/* mt9m111: Sensor register addresses */ +/* + * Sensor core register addresses (0x000..0x0ff) + */ #define MT9M111_CHIP_VERSION 0x000 #define MT9M111_ROW_START 0x001 #define MT9M111_COLUMN_START 0x002 @@ -72,8 +75,9 @@ #define MT9M111_CTXT_CTRL_LED_FLASH_EN (1 << 2) #define MT9M111_CTXT_CTRL_VBLANK_SEL_B (1 << 1) #define MT9M111_CTXT_CTRL_HBLANK_SEL_B (1 << 0) + /* - * mt9m111: Colorpipe register addresses (0x100..0x1ff) + * Colorpipe register addresses (0x100..0x1ff) */ #define MT9M111_OPER_MODE_CTRL 0x106 #define MT9M111_OUTPUT_FORMAT_CTRL 0x108 @@ -109,8 +113,9 @@ #define MT9M111_OUTFMT_SWAP_YCbCr_C_Y (1 << 1) #define MT9M111_OUTFMT_SWAP_RGB_EVEN (1 << 1) #define MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr (1 << 0) + /* - * mt9m111: Camera control register addresses (0x200..0x2ff not implemented) + * Camera control register addresses (0x200..0x2ff not implemented) */ #define reg_read(reg) mt9m111_reg_read(client, MT9M111_##reg) @@ -160,7 +165,8 @@ enum mt9m111_context { struct mt9m111 { struct v4l2_subdev subdev; - int model; /* V4L2_IDENT_MT9M11x* codes from v4l2-chip-ident.h */ + int model; /* V4L2_IDENT_MT9M111 or V4L2_IDENT_MT9M112 code + * from v4l2-chip-ident.h */ enum mt9m111_context context; struct v4l2_rect rect; const struct mt9m111_datafmt *fmt; @@ -934,7 +940,7 @@ static int mt9m111_init(struct i2c_client *client) if (!ret) ret = mt9m111_set_autoexposure(client, mt9m111->autoexposure); if (ret) - dev_err(&client->dev, "mt9m11x init failed: %d\n", ret); + dev_err(&client->dev, "mt9m111 init failed: %d\n", ret); return ret; } @@ -963,27 +969,27 @@ static int mt9m111_video_probe(struct soc_camera_device *icd, mt9m111->swap_rgb_even_odd = 1; mt9m111->swap_rgb_red_blue = 1; - ret = mt9m111_init(client); - if (ret) - goto ei2c; - data = reg_read(CHIP_VERSION); switch (data) { - case 0x143a: /* MT9M111 */ + case 0x143a: /* MT9M111 or MT9M131 */ mt9m111->model = V4L2_IDENT_MT9M111; + dev_info(&client->dev, + "Detected a MT9M111/MT9M131 chip ID %x\n", data); break; case 0x148c: /* MT9M112 */ mt9m111->model = V4L2_IDENT_MT9M112; + dev_info(&client->dev, "Detected a MT9M112 chip ID %x\n", data); break; default: ret = -ENODEV; dev_err(&client->dev, - "No MT9M11x chip detected, register read %x\n", data); + "No MT9M111/MT9M112/MT9M131 chip detected register read %x\n", + data); goto ei2c; } - dev_info(&client->dev, "Detected a MT9M11x chip ID %x\n", data); + ret = mt9m111_init(client); ei2c: return ret; @@ -1034,13 +1040,13 @@ static int mt9m111_probe(struct i2c_client *client, int ret; if (!icd) { - dev_err(&client->dev, "MT9M11x: missing soc-camera data!\n"); + dev_err(&client->dev, "mt9m111: soc-camera data missing!\n"); return -EINVAL; } icl = to_soc_camera_link(icd); if (!icl) { - dev_err(&client->dev, "MT9M11x driver needs platform data\n"); + dev_err(&client->dev, "mt9m111: driver needs platform data\n"); return -EINVAL; } @@ -1114,6 +1120,6 @@ static void __exit mt9m111_mod_exit(void) module_init(mt9m111_mod_init); module_exit(mt9m111_mod_exit); -MODULE_DESCRIPTION("Micron MT9M111/MT9M112 Camera driver"); +MODULE_DESCRIPTION("Micron/Aptina MT9M111/MT9M112/MT9M131 Camera driver"); MODULE_AUTHOR("Robert Jarzmik"); MODULE_LICENSE("GPL"); diff --git a/drivers/media/video/mx2_camera.c b/drivers/media/video/mx2_camera.c index 026bef0..66ff174 100644 --- a/drivers/media/video/mx2_camera.c +++ b/drivers/media/video/mx2_camera.c @@ -785,6 +785,8 @@ static int mx2_camera_set_bus_param(struct soc_camera_device *icd, if (ret < 0) return ret; + if (common_flags & SOCAM_PCLK_SAMPLE_RISING) + csicr1 |= CSICR1_REDGE; if (common_flags & SOCAM_PCLK_SAMPLE_FALLING) csicr1 |= CSICR1_INV_PCLK; if (common_flags & SOCAM_VSYNC_ACTIVE_HIGH) @@ -1201,7 +1203,7 @@ static void mx27_camera_frame_done_emma(struct mx2_camera_dev *pcdev, buf = list_entry(pcdev->capture.next, struct mx2_buffer, vb.queue); - buf->bufnum = bufnum; + buf->bufnum = !bufnum; list_move_tail(pcdev->capture.next, &pcdev->active_bufs); diff --git a/drivers/media/video/pvrusb2/pvrusb2-debugifc.c b/drivers/media/video/pvrusb2/pvrusb2-debugifc.c index e9b11e1..4279ebb 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-debugifc.c +++ b/drivers/media/video/pvrusb2/pvrusb2-debugifc.c @@ -94,8 +94,6 @@ static int debugifc_parse_unsigned_number(const char *buf,unsigned int count, u32 *num_ptr) { u32 result = 0; - u32 val; - int ch; int radix = 10; if ((count >= 2) && (buf[0] == '0') && ((buf[1] == 'x') || (buf[1] == 'X'))) { @@ -107,17 +105,9 @@ static int debugifc_parse_unsigned_number(const char *buf,unsigned int count, } while (count--) { - ch = *buf++; - if ((ch >= '0') && (ch <= '9')) { - val = ch - '0'; - } else if ((ch >= 'a') && (ch <= 'f')) { - val = ch - 'a' + 10; - } else if ((ch >= 'A') && (ch <= 'F')) { - val = ch - 'A' + 10; - } else { + int val = hex_to_bin(*buf++); + if (val < 0 || val >= radix) return -EINVAL; - } - if (val >= radix) return -EINVAL; result *= radix; result += val; } diff --git a/drivers/media/video/s5p-fimc/Makefile b/drivers/media/video/s5p-fimc/Makefile new file mode 100644 index 0000000..0d9d541 --- /dev/null +++ b/drivers/media/video/s5p-fimc/Makefile @@ -0,0 +1,3 @@ + +obj-$(CONFIG_VIDEO_SAMSUNG_S5P_FIMC) := s5p-fimc.o +s5p-fimc-y := fimc-core.o fimc-reg.o diff --git a/drivers/media/video/s5p-fimc/fimc-core.c b/drivers/media/video/s5p-fimc/fimc-core.c new file mode 100644 index 0000000..b151c7b --- /dev/null +++ b/drivers/media/video/s5p-fimc/fimc-core.c @@ -0,0 +1,1586 @@ +/* + * S5P camera interface (video postprocessor) driver + * + * Copyright (c) 2010 Samsung Electronics + * + * Sylwester Nawrocki, <s.nawrocki@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published + * by the Free Software Foundation, either version 2 of the License, + * or (at your option) any later version. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/version.h> +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/bug.h> +#include <linux/interrupt.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/list.h> +#include <linux/io.h> +#include <linux/slab.h> +#include <linux/clk.h> +#include <media/v4l2-ioctl.h> +#include <media/videobuf-dma-contig.h> + +#include "fimc-core.h" + +static char *fimc_clock_name[NUM_FIMC_CLOCKS] = { "sclk_fimc", "fimc" }; + +static struct fimc_fmt fimc_formats[] = { + { + .name = "RGB565", + .fourcc = V4L2_PIX_FMT_RGB565X, + .depth = 16, + .color = S5P_FIMC_RGB565, + .buff_cnt = 1, + .planes_cnt = 1 + }, { + .name = "BGR666", + .fourcc = V4L2_PIX_FMT_BGR666, + .depth = 32, + .color = S5P_FIMC_RGB666, + .buff_cnt = 1, + .planes_cnt = 1 + }, { + .name = "XRGB-8-8-8-8, 24 bpp", + .fourcc = V4L2_PIX_FMT_RGB24, + .depth = 32, + .color = S5P_FIMC_RGB888, + .buff_cnt = 1, + .planes_cnt = 1 + }, { + .name = "YUV 4:2:2 packed, YCbYCr", + .fourcc = V4L2_PIX_FMT_YUYV, + .depth = 16, + .color = S5P_FIMC_YCBYCR422, + .buff_cnt = 1, + .planes_cnt = 1 + }, { + .name = "YUV 4:2:2 packed, CbYCrY", + .fourcc = V4L2_PIX_FMT_UYVY, + .depth = 16, + .color = S5P_FIMC_CBYCRY422, + .buff_cnt = 1, + .planes_cnt = 1 + }, { + .name = "YUV 4:2:2 packed, CrYCbY", + .fourcc = V4L2_PIX_FMT_VYUY, + .depth = 16, + .color = S5P_FIMC_CRYCBY422, + .buff_cnt = 1, + .planes_cnt = 1 + }, { + .name = "YUV 4:2:2 packed, YCrYCb", + .fourcc = V4L2_PIX_FMT_YVYU, + .depth = 16, + .color = S5P_FIMC_YCRYCB422, + .buff_cnt = 1, + .planes_cnt = 1 + }, { + .name = "YUV 4:2:2 planar, Y/Cb/Cr", + .fourcc = V4L2_PIX_FMT_YUV422P, + .depth = 12, + .color = S5P_FIMC_YCBCR422, + .buff_cnt = 1, + .planes_cnt = 3 + }, { + .name = "YUV 4:2:2 planar, Y/CbCr", + .fourcc = V4L2_PIX_FMT_NV16, + .depth = 16, + .color = S5P_FIMC_YCBCR422, + .buff_cnt = 1, + .planes_cnt = 2 + }, { + .name = "YUV 4:2:2 planar, Y/CrCb", + .fourcc = V4L2_PIX_FMT_NV61, + .depth = 16, + .color = S5P_FIMC_RGB565, + .buff_cnt = 1, + .planes_cnt = 2 + }, { + .name = "YUV 4:2:0 planar, YCbCr", + .fourcc = V4L2_PIX_FMT_YUV420, + .depth = 12, + .color = S5P_FIMC_YCBCR420, + .buff_cnt = 1, + .planes_cnt = 3 + }, { + .name = "YUV 4:2:0 planar, Y/CbCr", + .fourcc = V4L2_PIX_FMT_NV12, + .depth = 12, + .color = S5P_FIMC_YCBCR420, + .buff_cnt = 1, + .planes_cnt = 2 + } + }; + +static struct v4l2_queryctrl fimc_ctrls[] = { + { + .id = V4L2_CID_HFLIP, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "Horizontal flip", + .minimum = 0, + .maximum = 1, + .default_value = 0, + }, + { + .id = V4L2_CID_VFLIP, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "Vertical flip", + .minimum = 0, + .maximum = 1, + .default_value = 0, + }, + { + .id = V4L2_CID_ROTATE, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Rotation (CCW)", + .minimum = 0, + .maximum = 270, + .step = 90, + .default_value = 0, + }, +}; + + +static struct v4l2_queryctrl *get_ctrl(int id) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(fimc_ctrls); ++i) + if (id == fimc_ctrls[i].id) + return &fimc_ctrls[i]; + return NULL; +} + +static int fimc_check_scaler_ratio(struct v4l2_rect *r, struct fimc_frame *f) +{ + if (r->width > f->width) { + if (f->width > (r->width * SCALER_MAX_HRATIO)) + return -EINVAL; + } else { + if ((f->width * SCALER_MAX_HRATIO) < r->width) + return -EINVAL; + } + + if (r->height > f->height) { + if (f->height > (r->height * SCALER_MAX_VRATIO)) + return -EINVAL; + } else { + if ((f->height * SCALER_MAX_VRATIO) < r->height) + return -EINVAL; + } + + return 0; +} + +static int fimc_get_scaler_factor(u32 src, u32 tar, u32 *ratio, u32 *shift) +{ + if (src >= tar * 64) { + return -EINVAL; + } else if (src >= tar * 32) { + *ratio = 32; + *shift = 5; + } else if (src >= tar * 16) { + *ratio = 16; + *shift = 4; + } else if (src >= tar * 8) { + *ratio = 8; + *shift = 3; + } else if (src >= tar * 4) { + *ratio = 4; + *shift = 2; + } else if (src >= tar * 2) { + *ratio = 2; + *shift = 1; + } else { + *ratio = 1; + *shift = 0; + } + + return 0; +} + +static int fimc_set_scaler_info(struct fimc_ctx *ctx) +{ + struct fimc_scaler *sc = &ctx->scaler; + struct fimc_frame *s_frame = &ctx->s_frame; + struct fimc_frame *d_frame = &ctx->d_frame; + int tx, ty, sx, sy; + int ret; + + tx = d_frame->width; + ty = d_frame->height; + if (tx <= 0 || ty <= 0) { + v4l2_err(&ctx->fimc_dev->m2m.v4l2_dev, + "invalid target size: %d x %d", tx, ty); + return -EINVAL; + } + + sx = s_frame->width; + sy = s_frame->height; + if (sx <= 0 || sy <= 0) { + err("invalid source size: %d x %d", sx, sy); + return -EINVAL; + } + + sc->real_width = sx; + sc->real_height = sy; + dbg("sx= %d, sy= %d, tx= %d, ty= %d", sx, sy, tx, ty); + + ret = fimc_get_scaler_factor(sx, tx, &sc->pre_hratio, &sc->hfactor); + if (ret) + return ret; + + ret = fimc_get_scaler_factor(sy, ty, &sc->pre_vratio, &sc->vfactor); + if (ret) + return ret; + + sc->pre_dst_width = sx / sc->pre_hratio; + sc->pre_dst_height = sy / sc->pre_vratio; + + sc->main_hratio = (sx << 8) / (tx << sc->hfactor); + sc->main_vratio = (sy << 8) / (ty << sc->vfactor); + + sc->scaleup_h = (tx >= sx) ? 1 : 0; + sc->scaleup_v = (ty >= sy) ? 1 : 0; + + /* check to see if input and output size/format differ */ + if (s_frame->fmt->color == d_frame->fmt->color + && s_frame->width == d_frame->width + && s_frame->height == d_frame->height) + sc->copy_mode = 1; + else + sc->copy_mode = 0; + + return 0; +} + + +static irqreturn_t fimc_isr(int irq, void *priv) +{ + struct fimc_vid_buffer *src_buf, *dst_buf; + struct fimc_dev *fimc = (struct fimc_dev *)priv; + struct fimc_ctx *ctx; + + BUG_ON(!fimc); + fimc_hw_clear_irq(fimc); + + spin_lock(&fimc->slock); + + if (test_and_clear_bit(ST_M2M_PEND, &fimc->state)) { + ctx = v4l2_m2m_get_curr_priv(fimc->m2m.m2m_dev); + if (!ctx || !ctx->m2m_ctx) + goto isr_unlock; + src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx); + dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx); + if (src_buf && dst_buf) { + spin_lock(&fimc->irqlock); + src_buf->vb.state = dst_buf->vb.state = VIDEOBUF_DONE; + wake_up(&src_buf->vb.done); + wake_up(&dst_buf->vb.done); + spin_unlock(&fimc->irqlock); + v4l2_m2m_job_finish(fimc->m2m.m2m_dev, ctx->m2m_ctx); + } + } + +isr_unlock: + spin_unlock(&fimc->slock); + return IRQ_HANDLED; +} + +/* The color format (planes_cnt, buff_cnt) must be already configured. */ +static int fimc_prepare_addr(struct fimc_ctx *ctx, + struct fimc_vid_buffer *buf, enum v4l2_buf_type type) +{ + struct fimc_frame *frame; + struct fimc_addr *paddr; + u32 pix_size; + int ret = 0; + + frame = ctx_m2m_get_frame(ctx, type); + if (IS_ERR(frame)) + return PTR_ERR(frame); + paddr = &frame->paddr; + + if (!buf) + return -EINVAL; + + pix_size = frame->width * frame->height; + + dbg("buff_cnt= %d, planes_cnt= %d, frame->size= %d, pix_size= %d", + frame->fmt->buff_cnt, frame->fmt->planes_cnt, + frame->size, pix_size); + + if (frame->fmt->buff_cnt == 1) { + paddr->y = videobuf_to_dma_contig(&buf->vb); + switch (frame->fmt->planes_cnt) { + case 1: + paddr->cb = 0; + paddr->cr = 0; + break; + case 2: + /* decompose Y into Y/Cb */ + paddr->cb = (u32)(paddr->y + pix_size); + paddr->cr = 0; + break; + case 3: + paddr->cb = (u32)(paddr->y + pix_size); + /* decompose Y into Y/Cb/Cr */ + if (S5P_FIMC_YCBCR420 == frame->fmt->color) + paddr->cr = (u32)(paddr->cb + + (pix_size >> 2)); + else /* 422 */ + paddr->cr = (u32)(paddr->cb + + (pix_size >> 1)); + break; + default: + return -EINVAL; + } + } + + dbg("PHYS_ADDR: type= %d, y= 0x%X cb= 0x%X cr= 0x%X ret= %d", + type, paddr->y, paddr->cb, paddr->cr, ret); + + return ret; +} + +/* Set order for 1 and 2 plane YCBCR 4:2:2 formats. */ +static void fimc_set_yuv_order(struct fimc_ctx *ctx) +{ + /* The one only mode supported in SoC. */ + ctx->in_order_2p = S5P_FIMC_LSB_CRCB; + ctx->out_order_2p = S5P_FIMC_LSB_CRCB; + + /* Set order for 1 plane input formats. */ + switch (ctx->s_frame.fmt->color) { + case S5P_FIMC_YCRYCB422: + ctx->in_order_1p = S5P_FIMC_IN_YCRYCB; + break; + case S5P_FIMC_CBYCRY422: + ctx->in_order_1p = S5P_FIMC_IN_CBYCRY; + break; + case S5P_FIMC_CRYCBY422: + ctx->in_order_1p = S5P_FIMC_IN_CRYCBY; + break; + case S5P_FIMC_YCBYCR422: + default: + ctx->in_order_1p = S5P_FIMC_IN_YCBYCR; + break; + } + dbg("ctx->in_order_1p= %d", ctx->in_order_1p); + + switch (ctx->d_frame.fmt->color) { + case S5P_FIMC_YCRYCB422: + ctx->out_order_1p = S5P_FIMC_OUT_YCRYCB; + break; + case S5P_FIMC_CBYCRY422: + ctx->out_order_1p = S5P_FIMC_OUT_CBYCRY; + break; + case S5P_FIMC_CRYCBY422: + ctx->out_order_1p = S5P_FIMC_OUT_CRYCBY; + break; + case S5P_FIMC_YCBYCR422: + default: + ctx->out_order_1p = S5P_FIMC_OUT_YCBYCR; + break; + } + dbg("ctx->out_order_1p= %d", ctx->out_order_1p); +} + +/** + * fimc_prepare_config - check dimensions, operation and color mode + * and pre-calculate offset and the scaling coefficients. + * + * @ctx: hardware context information + * @flags: flags indicating which parameters to check/update + * + * Return: 0 if dimensions are valid or non zero otherwise. + */ +static int fimc_prepare_config(struct fimc_ctx *ctx, u32 flags) +{ + struct fimc_frame *s_frame, *d_frame; + struct fimc_vid_buffer *buf = NULL; + struct samsung_fimc_variant *variant = ctx->fimc_dev->variant; + int ret = 0; + + s_frame = &ctx->s_frame; + d_frame = &ctx->d_frame; + + if (flags & FIMC_PARAMS) { + if ((ctx->out_path == FIMC_DMA) && + (ctx->rotation == 90 || ctx->rotation == 270)) { + swap(d_frame->f_width, d_frame->f_height); + swap(d_frame->width, d_frame->height); + } + + /* Prepare the output offset ratios for scaler. */ + d_frame->dma_offset.y_h = d_frame->offs_h; + if (!variant->pix_hoff) + d_frame->dma_offset.y_h *= (d_frame->fmt->depth >> 3); + + d_frame->dma_offset.y_v = d_frame->offs_v; + + d_frame->dma_offset.cb_h = d_frame->offs_h; + d_frame->dma_offset.cb_v = d_frame->offs_v; + + d_frame->dma_offset.cr_h = d_frame->offs_h; + d_frame->dma_offset.cr_v = d_frame->offs_v; + + if (!variant->pix_hoff && d_frame->fmt->planes_cnt == 3) { + d_frame->dma_offset.cb_h >>= 1; + d_frame->dma_offset.cb_v >>= 1; + d_frame->dma_offset.cr_h >>= 1; + d_frame->dma_offset.cr_v >>= 1; + } + + dbg("out offset: color= %d, y_h= %d, y_v= %d", + d_frame->fmt->color, + d_frame->dma_offset.y_h, d_frame->dma_offset.y_v); + + /* Prepare the input offset ratios for scaler. */ + s_frame->dma_offset.y_h = s_frame->offs_h; + if (!variant->pix_hoff) + s_frame->dma_offset.y_h *= (s_frame->fmt->depth >> 3); + s_frame->dma_offset.y_v = s_frame->offs_v; + + s_frame->dma_offset.cb_h = s_frame->offs_h; + s_frame->dma_offset.cb_v = s_frame->offs_v; + + s_frame->dma_offset.cr_h = s_frame->offs_h; + s_frame->dma_offset.cr_v = s_frame->offs_v; + + if (!variant->pix_hoff && s_frame->fmt->planes_cnt == 3) { + s_frame->dma_offset.cb_h >>= 1; + s_frame->dma_offset.cb_v >>= 1; + s_frame->dma_offset.cr_h >>= 1; + s_frame->dma_offset.cr_v >>= 1; + } + + dbg("in offset: color= %d, y_h= %d, y_v= %d", + s_frame->fmt->color, s_frame->dma_offset.y_h, + s_frame->dma_offset.y_v); + + fimc_set_yuv_order(ctx); + + /* Check against the scaler ratio. */ + if (s_frame->height > (SCALER_MAX_VRATIO * d_frame->height) || + s_frame->width > (SCALER_MAX_HRATIO * d_frame->width)) { + err("out of scaler range"); + return -EINVAL; + } + } + + /* Input DMA mode is not allowed when the scaler is disabled. */ + ctx->scaler.enabled = 1; + + if (flags & FIMC_SRC_ADDR) { + buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx); + ret = fimc_prepare_addr(ctx, buf, + V4L2_BUF_TYPE_VIDEO_OUTPUT); + if (ret) + return ret; + } + + if (flags & FIMC_DST_ADDR) { + buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx); + ret = fimc_prepare_addr(ctx, buf, + V4L2_BUF_TYPE_VIDEO_CAPTURE); + } + + return ret; +} + +static void fimc_dma_run(void *priv) +{ + struct fimc_ctx *ctx = priv; + struct fimc_dev *fimc; + unsigned long flags; + u32 ret; + + if (WARN(!ctx, "null hardware context")) + return; + + fimc = ctx->fimc_dev; + + spin_lock_irqsave(&ctx->slock, flags); + set_bit(ST_M2M_PEND, &fimc->state); + + ctx->state |= (FIMC_SRC_ADDR | FIMC_DST_ADDR); + ret = fimc_prepare_config(ctx, ctx->state); + if (ret) { + err("general configuration error"); + goto dma_unlock; + } + + if (fimc->m2m.ctx != ctx) + ctx->state |= FIMC_PARAMS; + + fimc_hw_set_input_addr(fimc, &ctx->s_frame.paddr); + + if (ctx->state & FIMC_PARAMS) { + fimc_hw_set_input_path(ctx); + fimc_hw_set_in_dma(ctx); + if (fimc_set_scaler_info(ctx)) { + err("scaler configuration error"); + goto dma_unlock; + } + fimc_hw_set_prescaler(ctx); + fimc_hw_set_scaler(ctx); + fimc_hw_set_target_format(ctx); + fimc_hw_set_rotation(ctx); + fimc_hw_set_effect(ctx); + } + + fimc_hw_set_output_path(ctx); + if (ctx->state & (FIMC_DST_ADDR | FIMC_PARAMS)) + fimc_hw_set_output_addr(fimc, &ctx->d_frame.paddr); + + if (ctx->state & FIMC_PARAMS) + fimc_hw_set_out_dma(ctx); + + if (ctx->scaler.enabled) + fimc_hw_start_scaler(fimc); + fimc_hw_en_capture(ctx); + + ctx->state = 0; + fimc_hw_start_in_dma(fimc); + + fimc->m2m.ctx = ctx; + +dma_unlock: + spin_unlock_irqrestore(&ctx->slock, flags); +} + +static void fimc_job_abort(void *priv) +{ + /* Nothing done in job_abort. */ +} + +static void fimc_buf_release(struct videobuf_queue *vq, + struct videobuf_buffer *vb) +{ + videobuf_dma_contig_free(vq, vb); + vb->state = VIDEOBUF_NEEDS_INIT; +} + +static int fimc_buf_setup(struct videobuf_queue *vq, unsigned int *count, + unsigned int *size) +{ + struct fimc_ctx *ctx = vq->priv_data; + struct fimc_frame *frame; + + frame = ctx_m2m_get_frame(ctx, vq->type); + if (IS_ERR(frame)) + return PTR_ERR(frame); + + *size = (frame->width * frame->height * frame->fmt->depth) >> 3; + if (0 == *count) + *count = 1; + return 0; +} + +static int fimc_buf_prepare(struct videobuf_queue *vq, + struct videobuf_buffer *vb, enum v4l2_field field) +{ + struct fimc_ctx *ctx = vq->priv_data; + struct v4l2_device *v4l2_dev = &ctx->fimc_dev->m2m.v4l2_dev; + struct fimc_frame *frame; + int ret; + + frame = ctx_m2m_get_frame(ctx, vq->type); + if (IS_ERR(frame)) + return PTR_ERR(frame); + + if (vb->baddr) { + if (vb->bsize < frame->size) { + v4l2_err(v4l2_dev, + "User-provided buffer too small (%d < %d)\n", + vb->bsize, frame->size); + WARN_ON(1); + return -EINVAL; + } + } else if (vb->state != VIDEOBUF_NEEDS_INIT + && vb->bsize < frame->size) { + return -EINVAL; + } + + vb->width = frame->width; + vb->height = frame->height; + vb->bytesperline = (frame->width * frame->fmt->depth) >> 3; + vb->size = frame->size; + vb->field = field; + + if (VIDEOBUF_NEEDS_INIT == vb->state) { + ret = videobuf_iolock(vq, vb, NULL); + if (ret) { + v4l2_err(v4l2_dev, "Iolock failed\n"); + fimc_buf_release(vq, vb); + return ret; + } + } + vb->state = VIDEOBUF_PREPARED; + + return 0; +} + +static void fimc_buf_queue(struct videobuf_queue *vq, + struct videobuf_buffer *vb) +{ + struct fimc_ctx *ctx = vq->priv_data; + v4l2_m2m_buf_queue(ctx->m2m_ctx, vq, vb); +} + +static struct videobuf_queue_ops fimc_qops = { + .buf_setup = fimc_buf_setup, + .buf_prepare = fimc_buf_prepare, + .buf_queue = fimc_buf_queue, + .buf_release = fimc_buf_release, +}; + +static int fimc_m2m_querycap(struct file *file, void *priv, + struct v4l2_capability *cap) +{ + struct fimc_ctx *ctx = file->private_data; + struct fimc_dev *fimc = ctx->fimc_dev; + + strncpy(cap->driver, fimc->pdev->name, sizeof(cap->driver) - 1); + strncpy(cap->card, fimc->pdev->name, sizeof(cap->card) - 1); + cap->bus_info[0] = 0; + cap->version = KERNEL_VERSION(1, 0, 0); + cap->capabilities = V4L2_CAP_STREAMING | + V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT; + + return 0; +} + +static int fimc_m2m_enum_fmt(struct file *file, void *priv, + struct v4l2_fmtdesc *f) +{ + struct fimc_fmt *fmt; + + if (f->index >= ARRAY_SIZE(fimc_formats)) + return -EINVAL; + + fmt = &fimc_formats[f->index]; + strncpy(f->description, fmt->name, sizeof(f->description) - 1); + f->pixelformat = fmt->fourcc; + return 0; +} + +static int fimc_m2m_g_fmt(struct file *file, void *priv, struct v4l2_format *f) +{ + struct fimc_ctx *ctx = priv; + struct fimc_frame *frame; + + frame = ctx_m2m_get_frame(ctx, f->type); + if (IS_ERR(frame)) + return PTR_ERR(frame); + + f->fmt.pix.width = frame->width; + f->fmt.pix.height = frame->height; + f->fmt.pix.field = V4L2_FIELD_NONE; + f->fmt.pix.pixelformat = frame->fmt->fourcc; + + return 0; +} + +static struct fimc_fmt *find_format(struct v4l2_format *f) +{ + struct fimc_fmt *fmt; + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(fimc_formats); ++i) { + fmt = &fimc_formats[i]; + if (fmt->fourcc == f->fmt.pix.pixelformat) + break; + } + if (i == ARRAY_SIZE(fimc_formats)) + return NULL; + + return fmt; +} + +static int fimc_m2m_try_fmt(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct fimc_fmt *fmt; + u32 max_width, max_height, mod_x, mod_y; + struct fimc_ctx *ctx = priv; + struct fimc_dev *fimc = ctx->fimc_dev; + struct v4l2_pix_format *pix = &f->fmt.pix; + struct samsung_fimc_variant *variant = fimc->variant; + + fmt = find_format(f); + if (!fmt) { + v4l2_err(&fimc->m2m.v4l2_dev, + "Fourcc format (0x%X) invalid.\n", pix->pixelformat); + return -EINVAL; + } + + if (pix->field == V4L2_FIELD_ANY) + pix->field = V4L2_FIELD_NONE; + else if (V4L2_FIELD_NONE != pix->field) + return -EINVAL; + + if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { + max_width = variant->scaler_dis_w; + max_height = variant->scaler_dis_w; + mod_x = variant->min_inp_pixsize; + mod_y = variant->min_inp_pixsize; + } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { + max_width = variant->out_rot_dis_w; + max_height = variant->out_rot_dis_w; + mod_x = variant->min_out_pixsize; + mod_y = variant->min_out_pixsize; + } else { + err("Wrong stream type (%d)", f->type); + return -EINVAL; + } + + dbg("max_w= %d, max_h= %d", max_width, max_height); + + if (pix->height > max_height) + pix->height = max_height; + if (pix->width > max_width) + pix->width = max_width; + + if (tiled_fmt(fmt)) { + mod_x = 64; /* 64x32 tile */ + mod_y = 32; + } + + dbg("mod_x= 0x%X, mod_y= 0x%X", mod_x, mod_y); + + pix->width = (pix->width == 0) ? mod_x : ALIGN(pix->width, mod_x); + pix->height = (pix->height == 0) ? mod_y : ALIGN(pix->height, mod_y); + + if (pix->bytesperline == 0 || + pix->bytesperline * 8 / fmt->depth > pix->width) + pix->bytesperline = (pix->width * fmt->depth) >> 3; + + if (pix->sizeimage == 0) + pix->sizeimage = pix->height * pix->bytesperline; + + dbg("pix->bytesperline= %d, fmt->depth= %d", + pix->bytesperline, fmt->depth); + + return 0; +} + + +static int fimc_m2m_s_fmt(struct file *file, void *priv, struct v4l2_format *f) +{ + struct fimc_ctx *ctx = priv; + struct v4l2_device *v4l2_dev = &ctx->fimc_dev->m2m.v4l2_dev; + struct videobuf_queue *src_vq, *dst_vq; + struct fimc_frame *frame; + struct v4l2_pix_format *pix; + unsigned long flags; + int ret = 0; + + BUG_ON(!ctx); + + ret = fimc_m2m_try_fmt(file, priv, f); + if (ret) + return ret; + + mutex_lock(&ctx->fimc_dev->lock); + + src_vq = v4l2_m2m_get_src_vq(ctx->m2m_ctx); + dst_vq = v4l2_m2m_get_dst_vq(ctx->m2m_ctx); + + mutex_lock(&src_vq->vb_lock); + mutex_lock(&dst_vq->vb_lock); + + if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { + if (videobuf_queue_is_busy(src_vq)) { + v4l2_err(v4l2_dev, "%s queue busy\n", __func__); + ret = -EBUSY; + goto s_fmt_out; + } + frame = &ctx->s_frame; + spin_lock_irqsave(&ctx->slock, flags); + ctx->state |= FIMC_SRC_FMT; + spin_unlock_irqrestore(&ctx->slock, flags); + + } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { + if (videobuf_queue_is_busy(dst_vq)) { + v4l2_err(v4l2_dev, "%s queue busy\n", __func__); + ret = -EBUSY; + goto s_fmt_out; + } + frame = &ctx->d_frame; + spin_lock_irqsave(&ctx->slock, flags); + ctx->state |= FIMC_DST_FMT; + spin_unlock_irqrestore(&ctx->slock, flags); + } else { + v4l2_err(&ctx->fimc_dev->m2m.v4l2_dev, + "Wrong buffer/video queue type (%d)\n", f->type); + return -EINVAL; + } + + pix = &f->fmt.pix; + frame->fmt = find_format(f); + if (!frame->fmt) { + ret = -EINVAL; + goto s_fmt_out; + } + + frame->f_width = pix->bytesperline * 8 / frame->fmt->depth; + frame->f_height = pix->sizeimage/pix->bytesperline; + frame->width = pix->width; + frame->height = pix->height; + frame->o_width = pix->width; + frame->o_height = pix->height; + frame->offs_h = 0; + frame->offs_v = 0; + frame->size = (pix->width * pix->height * frame->fmt->depth) >> 3; + src_vq->field = dst_vq->field = pix->field; + spin_lock_irqsave(&ctx->slock, flags); + ctx->state |= FIMC_PARAMS; + spin_unlock_irqrestore(&ctx->slock, flags); + + dbg("f_width= %d, f_height= %d", frame->f_width, frame->f_height); + +s_fmt_out: + mutex_unlock(&dst_vq->vb_lock); + mutex_unlock(&src_vq->vb_lock); + mutex_unlock(&ctx->fimc_dev->lock); + return ret; +} + +static int fimc_m2m_reqbufs(struct file *file, void *priv, + struct v4l2_requestbuffers *reqbufs) +{ + struct fimc_ctx *ctx = priv; + return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs); +} + +static int fimc_m2m_querybuf(struct file *file, void *priv, + struct v4l2_buffer *buf) +{ + struct fimc_ctx *ctx = priv; + return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf); +} + +static int fimc_m2m_qbuf(struct file *file, void *priv, + struct v4l2_buffer *buf) +{ + struct fimc_ctx *ctx = priv; + + return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf); +} + +static int fimc_m2m_dqbuf(struct file *file, void *priv, + struct v4l2_buffer *buf) +{ + struct fimc_ctx *ctx = priv; + return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf); +} + +static int fimc_m2m_streamon(struct file *file, void *priv, + enum v4l2_buf_type type) +{ + struct fimc_ctx *ctx = priv; + return v4l2_m2m_streamon(file, ctx->m2m_ctx, type); +} + +static int fimc_m2m_streamoff(struct file *file, void *priv, + enum v4l2_buf_type type) +{ + struct fimc_ctx *ctx = priv; + return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type); +} + +int fimc_m2m_queryctrl(struct file *file, void *priv, + struct v4l2_queryctrl *qc) +{ + struct v4l2_queryctrl *c; + c = get_ctrl(qc->id); + if (!c) + return -EINVAL; + *qc = *c; + return 0; +} + +int fimc_m2m_g_ctrl(struct file *file, void *priv, + struct v4l2_control *ctrl) +{ + struct fimc_ctx *ctx = priv; + + switch (ctrl->id) { + case V4L2_CID_HFLIP: + ctrl->value = (FLIP_X_AXIS & ctx->flip) ? 1 : 0; + break; + case V4L2_CID_VFLIP: + ctrl->value = (FLIP_Y_AXIS & ctx->flip) ? 1 : 0; + break; + case V4L2_CID_ROTATE: + ctrl->value = ctx->rotation; + break; + default: + v4l2_err(&ctx->fimc_dev->m2m.v4l2_dev, "Invalid control\n"); + return -EINVAL; + } + dbg("ctrl->value= %d", ctrl->value); + return 0; +} + +static int check_ctrl_val(struct fimc_ctx *ctx, + struct v4l2_control *ctrl) +{ + struct v4l2_queryctrl *c; + c = get_ctrl(ctrl->id); + if (!c) + return -EINVAL; + + if (ctrl->value < c->minimum || ctrl->value > c->maximum + || (c->step != 0 && ctrl->value % c->step != 0)) { + v4l2_err(&ctx->fimc_dev->m2m.v4l2_dev, + "Invalid control value\n"); + return -ERANGE; + } + + return 0; +} + +int fimc_m2m_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctrl) +{ + struct fimc_ctx *ctx = priv; + struct samsung_fimc_variant *variant = ctx->fimc_dev->variant; + unsigned long flags; + int ret = 0; + + ret = check_ctrl_val(ctx, ctrl); + if (ret) + return ret; + + switch (ctrl->id) { + case V4L2_CID_HFLIP: + if (ctx->rotation != 0) + return 0; + if (ctrl->value) + ctx->flip |= FLIP_X_AXIS; + else + ctx->flip &= ~FLIP_X_AXIS; + break; + + case V4L2_CID_VFLIP: + if (ctx->rotation != 0) + return 0; + if (ctrl->value) + ctx->flip |= FLIP_Y_AXIS; + else + ctx->flip &= ~FLIP_Y_AXIS; + break; + + case V4L2_CID_ROTATE: + if (ctrl->value == 90 || ctrl->value == 270) { + if (ctx->out_path == FIMC_LCDFIFO && + !variant->has_inp_rot) { + return -EINVAL; + } else if (ctx->in_path == FIMC_DMA && + !variant->has_out_rot) { + return -EINVAL; + } + } + ctx->rotation = ctrl->value; + if (ctrl->value == 180) + ctx->flip = FLIP_XY_AXIS; + break; + + default: + v4l2_err(&ctx->fimc_dev->m2m.v4l2_dev, "Invalid control\n"); + return -EINVAL; + } + spin_lock_irqsave(&ctx->slock, flags); + ctx->state |= FIMC_PARAMS; + spin_unlock_irqrestore(&ctx->slock, flags); + return 0; +} + + +static int fimc_m2m_cropcap(struct file *file, void *fh, + struct v4l2_cropcap *cr) +{ + struct fimc_frame *frame; + struct fimc_ctx *ctx = fh; + + frame = ctx_m2m_get_frame(ctx, cr->type); + if (IS_ERR(frame)) + return PTR_ERR(frame); + + cr->bounds.left = 0; + cr->bounds.top = 0; + cr->bounds.width = frame->f_width; + cr->bounds.height = frame->f_height; + cr->defrect.left = frame->offs_h; + cr->defrect.top = frame->offs_v; + cr->defrect.width = frame->o_width; + cr->defrect.height = frame->o_height; + return 0; +} + +static int fimc_m2m_g_crop(struct file *file, void *fh, struct v4l2_crop *cr) +{ + struct fimc_frame *frame; + struct fimc_ctx *ctx = file->private_data; + + frame = ctx_m2m_get_frame(ctx, cr->type); + if (IS_ERR(frame)) + return PTR_ERR(frame); + + cr->c.left = frame->offs_h; + cr->c.top = frame->offs_v; + cr->c.width = frame->width; + cr->c.height = frame->height; + + return 0; +} + +static int fimc_m2m_s_crop(struct file *file, void *fh, struct v4l2_crop *cr) +{ + struct fimc_ctx *ctx = file->private_data; + struct fimc_dev *fimc = ctx->fimc_dev; + unsigned long flags; + struct fimc_frame *f; + u32 min_size; + int ret = 0; + + if (cr->c.top < 0 || cr->c.left < 0) { + v4l2_err(&fimc->m2m.v4l2_dev, + "doesn't support negative values for top & left\n"); + return -EINVAL; + } + + if (cr->c.width <= 0 || cr->c.height <= 0) { + v4l2_err(&fimc->m2m.v4l2_dev, + "crop width and height must be greater than 0\n"); + return -EINVAL; + } + + f = ctx_m2m_get_frame(ctx, cr->type); + if (IS_ERR(f)) + return PTR_ERR(f); + + /* Adjust to required pixel boundary. */ + min_size = (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) ? + fimc->variant->min_inp_pixsize : fimc->variant->min_out_pixsize; + + cr->c.width = round_down(cr->c.width, min_size); + cr->c.height = round_down(cr->c.height, min_size); + cr->c.left = round_down(cr->c.left + 1, min_size); + cr->c.top = round_down(cr->c.top + 1, min_size); + + if ((cr->c.left + cr->c.width > f->o_width) + || (cr->c.top + cr->c.height > f->o_height)) { + v4l2_err(&fimc->m2m.v4l2_dev, "Error in S_CROP params\n"); + return -EINVAL; + } + + spin_lock_irqsave(&ctx->slock, flags); + if ((ctx->state & FIMC_SRC_FMT) && (ctx->state & FIMC_DST_FMT)) { + /* Check for the pixel scaling ratio when cropping input img. */ + if (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) + ret = fimc_check_scaler_ratio(&cr->c, &ctx->d_frame); + else if (cr->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) + ret = fimc_check_scaler_ratio(&cr->c, &ctx->s_frame); + + if (ret) { + spin_unlock_irqrestore(&ctx->slock, flags); + v4l2_err(&fimc->m2m.v4l2_dev, "Out of scaler range"); + return -EINVAL; + } + } + ctx->state |= FIMC_PARAMS; + spin_unlock_irqrestore(&ctx->slock, flags); + + f->offs_h = cr->c.left; + f->offs_v = cr->c.top; + f->width = cr->c.width; + f->height = cr->c.height; + return 0; +} + +static const struct v4l2_ioctl_ops fimc_m2m_ioctl_ops = { + .vidioc_querycap = fimc_m2m_querycap, + + .vidioc_enum_fmt_vid_cap = fimc_m2m_enum_fmt, + .vidioc_enum_fmt_vid_out = fimc_m2m_enum_fmt, + + .vidioc_g_fmt_vid_cap = fimc_m2m_g_fmt, + .vidioc_g_fmt_vid_out = fimc_m2m_g_fmt, + + .vidioc_try_fmt_vid_cap = fimc_m2m_try_fmt, + .vidioc_try_fmt_vid_out = fimc_m2m_try_fmt, + + .vidioc_s_fmt_vid_cap = fimc_m2m_s_fmt, + .vidioc_s_fmt_vid_out = fimc_m2m_s_fmt, + + .vidioc_reqbufs = fimc_m2m_reqbufs, + .vidioc_querybuf = fimc_m2m_querybuf, + + .vidioc_qbuf = fimc_m2m_qbuf, + .vidioc_dqbuf = fimc_m2m_dqbuf, + + .vidioc_streamon = fimc_m2m_streamon, + .vidioc_streamoff = fimc_m2m_streamoff, + + .vidioc_queryctrl = fimc_m2m_queryctrl, + .vidioc_g_ctrl = fimc_m2m_g_ctrl, + .vidioc_s_ctrl = fimc_m2m_s_ctrl, + + .vidioc_g_crop = fimc_m2m_g_crop, + .vidioc_s_crop = fimc_m2m_s_crop, + .vidioc_cropcap = fimc_m2m_cropcap + +}; + +static void queue_init(void *priv, struct videobuf_queue *vq, + enum v4l2_buf_type type) +{ + struct fimc_ctx *ctx = priv; + struct fimc_dev *fimc = ctx->fimc_dev; + + videobuf_queue_dma_contig_init(vq, &fimc_qops, + fimc->m2m.v4l2_dev.dev, + &fimc->irqlock, type, V4L2_FIELD_NONE, + sizeof(struct fimc_vid_buffer), priv); +} + +static int fimc_m2m_open(struct file *file) +{ + struct fimc_dev *fimc = video_drvdata(file); + struct fimc_ctx *ctx = NULL; + int err = 0; + + mutex_lock(&fimc->lock); + fimc->m2m.refcnt++; + set_bit(ST_OUTDMA_RUN, &fimc->state); + mutex_unlock(&fimc->lock); + + + ctx = kzalloc(sizeof *ctx, GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + file->private_data = ctx; + ctx->fimc_dev = fimc; + /* default format */ + ctx->s_frame.fmt = &fimc_formats[0]; + ctx->d_frame.fmt = &fimc_formats[0]; + /* per user process device context initialization */ + ctx->state = 0; + ctx->flags = 0; + ctx->effect.type = S5P_FIMC_EFFECT_ORIGINAL; + ctx->in_path = FIMC_DMA; + ctx->out_path = FIMC_DMA; + spin_lock_init(&ctx->slock); + + ctx->m2m_ctx = v4l2_m2m_ctx_init(ctx, fimc->m2m.m2m_dev, queue_init); + if (IS_ERR(ctx->m2m_ctx)) { + err = PTR_ERR(ctx->m2m_ctx); + kfree(ctx); + } + return err; +} + +static int fimc_m2m_release(struct file *file) +{ + struct fimc_ctx *ctx = file->private_data; + struct fimc_dev *fimc = ctx->fimc_dev; + + v4l2_m2m_ctx_release(ctx->m2m_ctx); + kfree(ctx); + mutex_lock(&fimc->lock); + if (--fimc->m2m.refcnt <= 0) + clear_bit(ST_OUTDMA_RUN, &fimc->state); + mutex_unlock(&fimc->lock); + return 0; +} + +static unsigned int fimc_m2m_poll(struct file *file, + struct poll_table_struct *wait) +{ + struct fimc_ctx *ctx = file->private_data; + return v4l2_m2m_poll(file, ctx->m2m_ctx, wait); +} + + +static int fimc_m2m_mmap(struct file *file, struct vm_area_struct *vma) +{ + struct fimc_ctx *ctx = file->private_data; + return v4l2_m2m_mmap(file, ctx->m2m_ctx, vma); +} + +static const struct v4l2_file_operations fimc_m2m_fops = { + .owner = THIS_MODULE, + .open = fimc_m2m_open, + .release = fimc_m2m_release, + .poll = fimc_m2m_poll, + .ioctl = video_ioctl2, + .mmap = fimc_m2m_mmap, +}; + +static struct v4l2_m2m_ops m2m_ops = { + .device_run = fimc_dma_run, + .job_abort = fimc_job_abort, +}; + + +static int fimc_register_m2m_device(struct fimc_dev *fimc) +{ + struct video_device *vfd; + struct platform_device *pdev; + struct v4l2_device *v4l2_dev; + int ret = 0; + + if (!fimc) + return -ENODEV; + + pdev = fimc->pdev; + v4l2_dev = &fimc->m2m.v4l2_dev; + + /* set name if it is empty */ + if (!v4l2_dev->name[0]) + snprintf(v4l2_dev->name, sizeof(v4l2_dev->name), + "%s.m2m", dev_name(&pdev->dev)); + + ret = v4l2_device_register(&pdev->dev, v4l2_dev); + if (ret) + return ret;; + + vfd = video_device_alloc(); + if (!vfd) { + v4l2_err(v4l2_dev, "Failed to allocate video device\n"); + goto err_m2m_r1; + } + + vfd->fops = &fimc_m2m_fops; + vfd->ioctl_ops = &fimc_m2m_ioctl_ops; + vfd->minor = -1; + vfd->release = video_device_release; + + snprintf(vfd->name, sizeof(vfd->name), "%s:m2m", dev_name(&pdev->dev)); + + video_set_drvdata(vfd, fimc); + platform_set_drvdata(pdev, fimc); + + fimc->m2m.vfd = vfd; + fimc->m2m.m2m_dev = v4l2_m2m_init(&m2m_ops); + if (IS_ERR(fimc->m2m.m2m_dev)) { + v4l2_err(v4l2_dev, "failed to initialize v4l2-m2m device\n"); + ret = PTR_ERR(fimc->m2m.m2m_dev); + goto err_m2m_r2; + } + + ret = video_register_device(vfd, VFL_TYPE_GRABBER, -1); + if (ret) { + v4l2_err(v4l2_dev, + "%s(): failed to register video device\n", __func__); + goto err_m2m_r3; + } + v4l2_info(v4l2_dev, + "FIMC m2m driver registered as /dev/video%d\n", vfd->num); + + return 0; + +err_m2m_r3: + v4l2_m2m_release(fimc->m2m.m2m_dev); +err_m2m_r2: + video_device_release(fimc->m2m.vfd); +err_m2m_r1: + v4l2_device_unregister(v4l2_dev); + + return ret; +} + +static void fimc_unregister_m2m_device(struct fimc_dev *fimc) +{ + if (fimc) { + v4l2_m2m_release(fimc->m2m.m2m_dev); + video_unregister_device(fimc->m2m.vfd); + video_device_release(fimc->m2m.vfd); + v4l2_device_unregister(&fimc->m2m.v4l2_dev); + } +} + +static void fimc_clk_release(struct fimc_dev *fimc) +{ + int i; + for (i = 0; i < NUM_FIMC_CLOCKS; i++) { + if (fimc->clock[i]) { + clk_disable(fimc->clock[i]); + clk_put(fimc->clock[i]); + } + } +} + +static int fimc_clk_get(struct fimc_dev *fimc) +{ + int i; + for (i = 0; i < NUM_FIMC_CLOCKS; i++) { + fimc->clock[i] = clk_get(&fimc->pdev->dev, fimc_clock_name[i]); + if (IS_ERR(fimc->clock[i])) { + dev_err(&fimc->pdev->dev, + "failed to get fimc clock: %s\n", + fimc_clock_name[i]); + return -ENXIO; + } + clk_enable(fimc->clock[i]); + } + return 0; +} + +static int fimc_probe(struct platform_device *pdev) +{ + struct fimc_dev *fimc; + struct resource *res; + struct samsung_fimc_driverdata *drv_data; + int ret = 0; + + dev_dbg(&pdev->dev, "%s():\n", __func__); + + drv_data = (struct samsung_fimc_driverdata *) + platform_get_device_id(pdev)->driver_data; + + if (pdev->id >= drv_data->devs_cnt) { + dev_err(&pdev->dev, "Invalid platform device id: %d\n", + pdev->id); + return -EINVAL; + } + + fimc = kzalloc(sizeof(struct fimc_dev), GFP_KERNEL); + if (!fimc) + return -ENOMEM; + + fimc->id = pdev->id; + fimc->variant = drv_data->variant[fimc->id]; + fimc->pdev = pdev; + fimc->state = ST_IDLE; + + spin_lock_init(&fimc->irqlock); + spin_lock_init(&fimc->slock); + + mutex_init(&fimc->lock); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "failed to find the registers\n"); + ret = -ENOENT; + goto err_info; + } + + fimc->regs_res = request_mem_region(res->start, resource_size(res), + dev_name(&pdev->dev)); + if (!fimc->regs_res) { + dev_err(&pdev->dev, "failed to obtain register region\n"); + ret = -ENOENT; + goto err_info; + } + + fimc->regs = ioremap(res->start, resource_size(res)); + if (!fimc->regs) { + dev_err(&pdev->dev, "failed to map registers\n"); + ret = -ENXIO; + goto err_req_region; + } + + ret = fimc_clk_get(fimc); + if (ret) + goto err_regs_unmap; + + res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + if (!res) { + dev_err(&pdev->dev, "failed to get IRQ resource\n"); + ret = -ENXIO; + goto err_clk; + } + fimc->irq = res->start; + + fimc_hw_reset(fimc); + + ret = request_irq(fimc->irq, fimc_isr, 0, pdev->name, fimc); + if (ret) { + dev_err(&pdev->dev, "failed to install irq (%d)\n", ret); + goto err_clk; + } + + fimc->work_queue = create_workqueue(dev_name(&fimc->pdev->dev)); + if (!fimc->work_queue) + goto err_irq; + + ret = fimc_register_m2m_device(fimc); + if (ret) + goto err_wq; + + fimc_hw_en_lastirq(fimc, true); + + dev_dbg(&pdev->dev, "%s(): fimc-%d registered successfully\n", + __func__, fimc->id); + + return 0; + +err_wq: + destroy_workqueue(fimc->work_queue); +err_irq: + free_irq(fimc->irq, fimc); +err_clk: + fimc_clk_release(fimc); +err_regs_unmap: + iounmap(fimc->regs); +err_req_region: + release_resource(fimc->regs_res); + kfree(fimc->regs_res); +err_info: + kfree(fimc); + dev_err(&pdev->dev, "failed to install\n"); + return ret; +} + +static int __devexit fimc_remove(struct platform_device *pdev) +{ + struct fimc_dev *fimc = + (struct fimc_dev *)platform_get_drvdata(pdev); + + v4l2_info(&fimc->m2m.v4l2_dev, "Removing %s\n", pdev->name); + + free_irq(fimc->irq, fimc); + + fimc_hw_reset(fimc); + + fimc_unregister_m2m_device(fimc); + fimc_clk_release(fimc); + iounmap(fimc->regs); + release_resource(fimc->regs_res); + kfree(fimc->regs_res); + kfree(fimc); + return 0; +} + +static struct samsung_fimc_variant fimc01_variant_s5p = { + .has_inp_rot = 1, + .has_out_rot = 1, + .min_inp_pixsize = 16, + .min_out_pixsize = 16, + + .scaler_en_w = 3264, + .scaler_dis_w = 8192, + .in_rot_en_h = 1920, + .in_rot_dis_w = 8192, + .out_rot_en_w = 1920, + .out_rot_dis_w = 4224, +}; + +static struct samsung_fimc_variant fimc2_variant_s5p = { + .min_inp_pixsize = 16, + .min_out_pixsize = 16, + + .scaler_en_w = 4224, + .scaler_dis_w = 8192, + .in_rot_en_h = 1920, + .in_rot_dis_w = 8192, + .out_rot_en_w = 1920, + .out_rot_dis_w = 4224, +}; + +static struct samsung_fimc_variant fimc01_variant_s5pv210 = { + .has_inp_rot = 1, + .has_out_rot = 1, + .min_inp_pixsize = 16, + .min_out_pixsize = 32, + + .scaler_en_w = 4224, + .scaler_dis_w = 8192, + .in_rot_en_h = 1920, + .in_rot_dis_w = 8192, + .out_rot_en_w = 1920, + .out_rot_dis_w = 4224, +}; + +static struct samsung_fimc_variant fimc2_variant_s5pv210 = { + .min_inp_pixsize = 16, + .min_out_pixsize = 32, + + .scaler_en_w = 1920, + .scaler_dis_w = 8192, + .in_rot_en_h = 1280, + .in_rot_dis_w = 8192, + .out_rot_en_w = 1280, + .out_rot_dis_w = 1920, +}; + +static struct samsung_fimc_driverdata fimc_drvdata_s5p = { + .variant = { + [0] = &fimc01_variant_s5p, + [1] = &fimc01_variant_s5p, + [2] = &fimc2_variant_s5p, + }, + .devs_cnt = 3 +}; + +static struct samsung_fimc_driverdata fimc_drvdata_s5pv210 = { + .variant = { + [0] = &fimc01_variant_s5pv210, + [1] = &fimc01_variant_s5pv210, + [2] = &fimc2_variant_s5pv210, + }, + .devs_cnt = 3 +}; + +static struct platform_device_id fimc_driver_ids[] = { + { + .name = "s5p-fimc", + .driver_data = (unsigned long)&fimc_drvdata_s5p, + }, { + .name = "s5pv210-fimc", + .driver_data = (unsigned long)&fimc_drvdata_s5pv210, + }, + {}, +}; +MODULE_DEVICE_TABLE(platform, fimc_driver_ids); + +static struct platform_driver fimc_driver = { + .probe = fimc_probe, + .remove = __devexit_p(fimc_remove), + .id_table = fimc_driver_ids, + .driver = { + .name = MODULE_NAME, + .owner = THIS_MODULE, + } +}; + +static char banner[] __initdata = KERN_INFO + "S5PC Camera Interface V4L2 Driver, (c) 2010 Samsung Electronics\n"; + +static int __init fimc_init(void) +{ + u32 ret; + printk(banner); + + ret = platform_driver_register(&fimc_driver); + if (ret) { + printk(KERN_ERR "FIMC platform driver register failed\n"); + return -1; + } + return 0; +} + +static void __exit fimc_exit(void) +{ + platform_driver_unregister(&fimc_driver); +} + +module_init(fimc_init); +module_exit(fimc_exit); + +MODULE_AUTHOR("Sylwester Nawrocki, s.nawrocki@samsung.com"); +MODULE_DESCRIPTION("S3C/S5P FIMC (video postprocessor) driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/video/s5p-fimc/fimc-core.h b/drivers/media/video/s5p-fimc/fimc-core.h new file mode 100644 index 0000000..6b3e0cd --- /dev/null +++ b/drivers/media/video/s5p-fimc/fimc-core.h @@ -0,0 +1,471 @@ +/* + * Copyright (c) 2010 Samsung Electronics + * + * Sylwester Nawrocki, <s.nawrocki@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef FIMC_CORE_H_ +#define FIMC_CORE_H_ + +#include <linux/types.h> +#include <media/videobuf-core.h> +#include <media/v4l2-device.h> +#include <media/v4l2-mem2mem.h> +#include <linux/videodev2.h> +#include "regs-fimc.h" + +#define err(fmt, args...) \ + printk(KERN_ERR "%s:%d: " fmt "\n", __func__, __LINE__, ##args) + +#ifdef DEBUG +#define dbg(fmt, args...) \ + printk(KERN_DEBUG "%s:%d: " fmt "\n", __func__, __LINE__, ##args) +#else +#define dbg(fmt, args...) +#endif + +#define NUM_FIMC_CLOCKS 2 +#define MODULE_NAME "s5p-fimc" +#define FIMC_MAX_DEVS 3 +#define FIMC_MAX_OUT_BUFS 4 +#define SCALER_MAX_HRATIO 64 +#define SCALER_MAX_VRATIO 64 + +enum { + ST_IDLE, + ST_OUTDMA_RUN, + ST_M2M_PEND, +}; + +#define fimc_m2m_active(dev) test_bit(ST_OUTDMA_RUN, &(dev)->state) +#define fimc_m2m_pending(dev) test_bit(ST_M2M_PEND, &(dev)->state) + +enum fimc_datapath { + FIMC_ITU_CAM_A, + FIMC_ITU_CAM_B, + FIMC_MIPI_CAM, + FIMC_DMA, + FIMC_LCDFIFO, + FIMC_WRITEBACK +}; + +enum fimc_color_fmt { + S5P_FIMC_RGB565, + S5P_FIMC_RGB666, + S5P_FIMC_RGB888, + S5P_FIMC_YCBCR420, + S5P_FIMC_YCBCR422, + S5P_FIMC_YCBYCR422, + S5P_FIMC_YCRYCB422, + S5P_FIMC_CBYCRY422, + S5P_FIMC_CRYCBY422, + S5P_FIMC_RGB30_LOCAL, + S5P_FIMC_YCBCR444_LOCAL, + S5P_FIMC_MAX_COLOR = S5P_FIMC_YCBCR444_LOCAL, + S5P_FIMC_COLOR_MASK = 0x0F, +}; + +/* Y/Cb/Cr components order at DMA output for 1 plane YCbCr 4:2:2 formats. */ +#define S5P_FIMC_OUT_CRYCBY S5P_CIOCTRL_ORDER422_CRYCBY +#define S5P_FIMC_OUT_CBYCRY S5P_CIOCTRL_ORDER422_YCRYCB +#define S5P_FIMC_OUT_YCRYCB S5P_CIOCTRL_ORDER422_CBYCRY +#define S5P_FIMC_OUT_YCBYCR S5P_CIOCTRL_ORDER422_YCBYCR + +/* Input Y/Cb/Cr components order for 1 plane YCbCr 4:2:2 color formats. */ +#define S5P_FIMC_IN_CRYCBY S5P_MSCTRL_ORDER422_CRYCBY +#define S5P_FIMC_IN_CBYCRY S5P_MSCTRL_ORDER422_YCRYCB +#define S5P_FIMC_IN_YCRYCB S5P_MSCTRL_ORDER422_CBYCRY +#define S5P_FIMC_IN_YCBYCR S5P_MSCTRL_ORDER422_YCBYCR + +/* Cb/Cr chrominance components order for 2 plane Y/CbCr 4:2:2 formats. */ +#define S5P_FIMC_LSB_CRCB S5P_CIOCTRL_ORDER422_2P_LSB_CRCB + +/* The embedded image effect selection */ +#define S5P_FIMC_EFFECT_ORIGINAL S5P_CIIMGEFF_FIN_BYPASS +#define S5P_FIMC_EFFECT_ARBITRARY S5P_CIIMGEFF_FIN_ARBITRARY +#define S5P_FIMC_EFFECT_NEGATIVE S5P_CIIMGEFF_FIN_NEGATIVE +#define S5P_FIMC_EFFECT_ARTFREEZE S5P_CIIMGEFF_FIN_ARTFREEZE +#define S5P_FIMC_EFFECT_EMBOSSING S5P_CIIMGEFF_FIN_EMBOSSING +#define S5P_FIMC_EFFECT_SIKHOUETTE S5P_CIIMGEFF_FIN_SILHOUETTE + +/* The hardware context state. */ +#define FIMC_PARAMS (1 << 0) +#define FIMC_SRC_ADDR (1 << 1) +#define FIMC_DST_ADDR (1 << 2) +#define FIMC_SRC_FMT (1 << 3) +#define FIMC_DST_FMT (1 << 4) + +/* Image conversion flags */ +#define FIMC_IN_DMA_ACCESS_TILED (1 << 0) +#define FIMC_IN_DMA_ACCESS_LINEAR (0 << 0) +#define FIMC_OUT_DMA_ACCESS_TILED (1 << 1) +#define FIMC_OUT_DMA_ACCESS_LINEAR (0 << 1) +#define FIMC_SCAN_MODE_PROGRESSIVE (0 << 2) +#define FIMC_SCAN_MODE_INTERLACED (1 << 2) +/* YCbCr data dynamic range for RGB-YUV color conversion. Y/Cb/Cr: (0 ~ 255) */ +#define FIMC_COLOR_RANGE_WIDE (0 << 3) +/* Y (16 ~ 235), Cb/Cr (16 ~ 240) */ +#define FIMC_COLOR_RANGE_NARROW (1 << 3) + +#define FLIP_NONE 0 +#define FLIP_X_AXIS 1 +#define FLIP_Y_AXIS 2 +#define FLIP_XY_AXIS (FLIP_X_AXIS | FLIP_Y_AXIS) + +/** + * struct fimc_fmt - the driver's internal color format data + * @name: format description + * @fourcc: the fourcc code for this format + * @color: the corresponding fimc_color_fmt + * @depth: number of bits per pixel + * @buff_cnt: number of physically non-contiguous data planes + * @planes_cnt: number of physically contiguous data planes + */ +struct fimc_fmt { + char *name; + u32 fourcc; + u32 color; + u32 depth; + u16 buff_cnt; + u16 planes_cnt; +}; + +/** + * struct fimc_dma_offset - pixel offset information for DMA + * @y_h: y value horizontal offset + * @y_v: y value vertical offset + * @cb_h: cb value horizontal offset + * @cb_v: cb value vertical offset + * @cr_h: cr value horizontal offset + * @cr_v: cr value vertical offset + */ +struct fimc_dma_offset { + int y_h; + int y_v; + int cb_h; + int cb_v; + int cr_h; + int cr_v; +}; + +/** + * struct fimc_effect - the configuration data for the "Arbitrary" image effect + * @type: effect type + * @pat_cb: cr value when type is "arbitrary" + * @pat_cr: cr value when type is "arbitrary" + */ +struct fimc_effect { + u32 type; + u8 pat_cb; + u8 pat_cr; +}; + +/** + * struct fimc_scaler - the configuration data for FIMC inetrnal scaler + * + * @enabled: the flag set when the scaler is used + * @hfactor: horizontal shift factor + * @vfactor: vertical shift factor + * @pre_hratio: horizontal ratio of the prescaler + * @pre_vratio: vertical ratio of the prescaler + * @pre_dst_width: the prescaler's destination width + * @pre_dst_height: the prescaler's destination height + * @scaleup_h: flag indicating scaling up horizontally + * @scaleup_v: flag indicating scaling up vertically + * @main_hratio: the main scaler's horizontal ratio + * @main_vratio: the main scaler's vertical ratio + * @real_width: source width - offset + * @real_height: source height - offset + * @copy_mode: flag set if one-to-one mode is used, i.e. no scaling + * and color format conversion + */ +struct fimc_scaler { + u32 enabled; + u32 hfactor; + u32 vfactor; + u32 pre_hratio; + u32 pre_vratio; + u32 pre_dst_width; + u32 pre_dst_height; + u32 scaleup_h; + u32 scaleup_v; + u32 main_hratio; + u32 main_vratio; + u32 real_width; + u32 real_height; + u32 copy_mode; +}; + +/** + * struct fimc_addr - the FIMC physical address set for DMA + * + * @y: luminance plane physical address + * @cb: Cb plane physical address + * @cr: Cr plane physical address + */ +struct fimc_addr { + u32 y; + u32 cb; + u32 cr; +}; + +/** + * struct fimc_vid_buffer - the driver's video buffer + * @vb: v4l videobuf buffer + */ +struct fimc_vid_buffer { + struct videobuf_buffer vb; +}; + +/** + * struct fimc_frame - input/output frame format properties + * + * @f_width: image full width (virtual screen size) + * @f_height: image full height (virtual screen size) + * @o_width: original image width as set by S_FMT + * @o_height: original image height as set by S_FMT + * @offs_h: image horizontal pixel offset + * @offs_v: image vertical pixel offset + * @width: image pixel width + * @height: image pixel weight + * @paddr: image frame buffer physical addresses + * @buf_cnt: number of buffers depending on a color format + * @size: image size in bytes + * @color: color format + * @dma_offset: DMA offset in bytes + */ +struct fimc_frame { + u32 f_width; + u32 f_height; + u32 o_width; + u32 o_height; + u32 offs_h; + u32 offs_v; + u32 width; + u32 height; + u32 size; + struct fimc_addr paddr; + struct fimc_dma_offset dma_offset; + struct fimc_fmt *fmt; +}; + +/** + * struct fimc_m2m_device - v4l2 memory-to-memory device data + * @vfd: the video device node for v4l2 m2m mode + * @v4l2_dev: v4l2 device for m2m mode + * @m2m_dev: v4l2 memory-to-memory device data + * @ctx: hardware context data + * @refcnt: the reference counter + */ +struct fimc_m2m_device { + struct video_device *vfd; + struct v4l2_device v4l2_dev; + struct v4l2_m2m_dev *m2m_dev; + struct fimc_ctx *ctx; + int refcnt; +}; + +/** + * struct samsung_fimc_variant - camera interface variant information + * + * @pix_hoff: indicate whether horizontal offset is in pixels or in bytes + * @has_inp_rot: set if has input rotator + * @has_out_rot: set if has output rotator + * @min_inp_pixsize: minimum input pixel size + * @min_out_pixsize: minimum output pixel size + * @scaler_en_w: maximum input pixel width when the scaler is enabled + * @scaler_dis_w: maximum input pixel width when the scaler is disabled + * @in_rot_en_h: maximum input width when the input rotator is used + * @in_rot_dis_w: maximum input width when the input rotator is used + * @out_rot_en_w: maximum output width for the output rotator enabled + * @out_rot_dis_w: maximum output width for the output rotator enabled + */ +struct samsung_fimc_variant { + unsigned int pix_hoff:1; + unsigned int has_inp_rot:1; + unsigned int has_out_rot:1; + + u16 min_inp_pixsize; + u16 min_out_pixsize; + u16 scaler_en_w; + u16 scaler_dis_w; + u16 in_rot_en_h; + u16 in_rot_dis_w; + u16 out_rot_en_w; + u16 out_rot_dis_w; +}; + +/** + * struct samsung_fimc_driverdata - per-device type driver data for init time. + * + * @variant: the variant information for this driver. + * @dev_cnt: number of fimc sub-devices available in SoC + */ +struct samsung_fimc_driverdata { + struct samsung_fimc_variant *variant[FIMC_MAX_DEVS]; + int devs_cnt; +}; + +struct fimc_ctx; + +/** + * struct fimc_subdev - abstraction for a FIMC entity + * + * @slock: the spinlock protecting this data structure + * @lock: the mutex protecting this data structure + * @pdev: pointer to the FIMC platform device + * @id: FIMC device index (0..2) + * @clock[]: the clocks required for FIMC operation + * @regs: the mapped hardware registers + * @regs_res: the resource claimed for IO registers + * @irq: interrupt number of the FIMC subdevice + * @irqlock: spinlock protecting videbuffer queue + * @m2m: memory-to-memory V4L2 device information + * @state: the FIMC device state flags + */ +struct fimc_dev { + spinlock_t slock; + struct mutex lock; + struct platform_device *pdev; + struct samsung_fimc_variant *variant; + int id; + struct clk *clock[NUM_FIMC_CLOCKS]; + void __iomem *regs; + struct resource *regs_res; + int irq; + spinlock_t irqlock; + struct workqueue_struct *work_queue; + struct fimc_m2m_device m2m; + unsigned long state; +}; + +/** + * fimc_ctx - the device context data + * + * @lock: mutex protecting this data structure + * @s_frame: source frame properties + * @d_frame: destination frame properties + * @out_order_1p: output 1-plane YCBCR order + * @out_order_2p: output 2-plane YCBCR order + * @in_order_1p input 1-plane YCBCR order + * @in_order_2p: input 2-plane YCBCR order + * @in_path: input mode (DMA or camera) + * @out_path: output mode (DMA or FIFO) + * @scaler: image scaler properties + * @effect: image effect + * @rotation: image clockwise rotation in degrees + * @flip: image flip mode + * @flags: an additional flags for image conversion + * @state: flags to keep track of user configuration + * @fimc_dev: the FIMC device this context applies to + * @m2m_ctx: memory-to-memory device context + */ +struct fimc_ctx { + spinlock_t slock; + struct fimc_frame s_frame; + struct fimc_frame d_frame; + u32 out_order_1p; + u32 out_order_2p; + u32 in_order_1p; + u32 in_order_2p; + enum fimc_datapath in_path; + enum fimc_datapath out_path; + struct fimc_scaler scaler; + struct fimc_effect effect; + int rotation; + u32 flip; + u32 flags; + u32 state; + struct fimc_dev *fimc_dev; + struct v4l2_m2m_ctx *m2m_ctx; +}; + + +static inline int tiled_fmt(struct fimc_fmt *fmt) +{ + return 0; +} + +static inline void fimc_hw_clear_irq(struct fimc_dev *dev) +{ + u32 cfg = readl(dev->regs + S5P_CIGCTRL); + cfg |= S5P_CIGCTRL_IRQ_CLR; + writel(cfg, dev->regs + S5P_CIGCTRL); +} + +static inline void fimc_hw_start_scaler(struct fimc_dev *dev) +{ + u32 cfg = readl(dev->regs + S5P_CISCCTRL); + cfg |= S5P_CISCCTRL_SCALERSTART; + writel(cfg, dev->regs + S5P_CISCCTRL); +} + +static inline void fimc_hw_stop_scaler(struct fimc_dev *dev) +{ + u32 cfg = readl(dev->regs + S5P_CISCCTRL); + cfg &= ~S5P_CISCCTRL_SCALERSTART; + writel(cfg, dev->regs + S5P_CISCCTRL); +} + +static inline void fimc_hw_dis_capture(struct fimc_dev *dev) +{ + u32 cfg = readl(dev->regs + S5P_CIIMGCPT); + cfg &= ~(S5P_CIIMGCPT_IMGCPTEN | S5P_CIIMGCPT_IMGCPTEN_SC); + writel(cfg, dev->regs + S5P_CIIMGCPT); +} + +static inline void fimc_hw_start_in_dma(struct fimc_dev *dev) +{ + u32 cfg = readl(dev->regs + S5P_MSCTRL); + cfg |= S5P_MSCTRL_ENVID; + writel(cfg, dev->regs + S5P_MSCTRL); +} + +static inline void fimc_hw_stop_in_dma(struct fimc_dev *dev) +{ + u32 cfg = readl(dev->regs + S5P_MSCTRL); + cfg &= ~S5P_MSCTRL_ENVID; + writel(cfg, dev->regs + S5P_MSCTRL); +} + +static inline struct fimc_frame *ctx_m2m_get_frame(struct fimc_ctx *ctx, + enum v4l2_buf_type type) +{ + struct fimc_frame *frame; + + if (V4L2_BUF_TYPE_VIDEO_OUTPUT == type) { + frame = &ctx->s_frame; + } else if (V4L2_BUF_TYPE_VIDEO_CAPTURE == type) { + frame = &ctx->d_frame; + } else { + v4l2_err(&ctx->fimc_dev->m2m.v4l2_dev, + "Wrong buffer/video queue type (%d)\n", type); + return ERR_PTR(-EINVAL); + } + + return frame; +} + +/* -----------------------------------------------------*/ +/* fimc-reg.c */ +void fimc_hw_reset(struct fimc_dev *dev); +void fimc_hw_set_rotation(struct fimc_ctx *ctx); +void fimc_hw_set_target_format(struct fimc_ctx *ctx); +void fimc_hw_set_out_dma(struct fimc_ctx *ctx); +void fimc_hw_en_lastirq(struct fimc_dev *dev, int enable); +void fimc_hw_en_irq(struct fimc_dev *dev, int enable); +void fimc_hw_set_prescaler(struct fimc_ctx *ctx); +void fimc_hw_set_scaler(struct fimc_ctx *ctx); +void fimc_hw_en_capture(struct fimc_ctx *ctx); +void fimc_hw_set_effect(struct fimc_ctx *ctx); +void fimc_hw_set_in_dma(struct fimc_ctx *ctx); +void fimc_hw_set_input_path(struct fimc_ctx *ctx); +void fimc_hw_set_output_path(struct fimc_ctx *ctx); +void fimc_hw_set_input_addr(struct fimc_dev *dev, struct fimc_addr *paddr); +void fimc_hw_set_output_addr(struct fimc_dev *dev, struct fimc_addr *paddr); + +#endif /* FIMC_CORE_H_ */ diff --git a/drivers/media/video/s5p-fimc/fimc-reg.c b/drivers/media/video/s5p-fimc/fimc-reg.c new file mode 100644 index 0000000..5570f1c --- /dev/null +++ b/drivers/media/video/s5p-fimc/fimc-reg.c @@ -0,0 +1,527 @@ +/* + * Register interface file for Samsung Camera Interface (FIMC) driver + * + * Copyright (c) 2010 Samsung Electronics + * + * Sylwester Nawrocki, s.nawrocki@samsung.com + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/io.h> +#include <linux/delay.h> +#include <mach/map.h> + +#include "fimc-core.h" + + +void fimc_hw_reset(struct fimc_dev *dev) +{ + u32 cfg; + + cfg = readl(dev->regs + S5P_CISRCFMT); + cfg |= S5P_CISRCFMT_ITU601_8BIT; + writel(cfg, dev->regs + S5P_CISRCFMT); + + /* Software reset. */ + cfg = readl(dev->regs + S5P_CIGCTRL); + cfg |= (S5P_CIGCTRL_SWRST | S5P_CIGCTRL_IRQ_LEVEL); + writel(cfg, dev->regs + S5P_CIGCTRL); + msleep(1); + + cfg = readl(dev->regs + S5P_CIGCTRL); + cfg &= ~S5P_CIGCTRL_SWRST; + writel(cfg, dev->regs + S5P_CIGCTRL); + +} + +void fimc_hw_set_rotation(struct fimc_ctx *ctx) +{ + u32 cfg, flip; + struct fimc_dev *dev = ctx->fimc_dev; + + cfg = readl(dev->regs + S5P_CITRGFMT); + cfg &= ~(S5P_CITRGFMT_INROT90 | S5P_CITRGFMT_OUTROT90); + + flip = readl(dev->regs + S5P_MSCTRL); + flip &= ~S5P_MSCTRL_FLIP_MASK; + + /* + * The input and output rotator cannot work simultaneously. + * Use the output rotator in output DMA mode or the input rotator + * in direct fifo output mode. + */ + if (ctx->rotation == 90 || ctx->rotation == 270) { + if (ctx->out_path == FIMC_LCDFIFO) { + cfg |= S5P_CITRGFMT_INROT90; + if (ctx->rotation == 270) + flip |= S5P_MSCTRL_FLIP_180; + } else { + cfg |= S5P_CITRGFMT_OUTROT90; + if (ctx->rotation == 270) + cfg |= S5P_CITRGFMT_FLIP_180; + } + } else if (ctx->rotation == 180) { + if (ctx->out_path == FIMC_LCDFIFO) + flip |= S5P_MSCTRL_FLIP_180; + else + cfg |= S5P_CITRGFMT_FLIP_180; + } + if (ctx->rotation == 180 || ctx->rotation == 270) + writel(flip, dev->regs + S5P_MSCTRL); + writel(cfg, dev->regs + S5P_CITRGFMT); +} + +static u32 fimc_hw_get_in_flip(u32 ctx_flip) +{ + u32 flip = S5P_MSCTRL_FLIP_NORMAL; + + switch (ctx_flip) { + case FLIP_X_AXIS: + flip = S5P_MSCTRL_FLIP_X_MIRROR; + break; + case FLIP_Y_AXIS: + flip = S5P_MSCTRL_FLIP_Y_MIRROR; + break; + case FLIP_XY_AXIS: + flip = S5P_MSCTRL_FLIP_180; + break; + } + + return flip; +} + +static u32 fimc_hw_get_target_flip(u32 ctx_flip) +{ + u32 flip = S5P_CITRGFMT_FLIP_NORMAL; + + switch (ctx_flip) { + case FLIP_X_AXIS: + flip = S5P_CITRGFMT_FLIP_X_MIRROR; + break; + case FLIP_Y_AXIS: + flip = S5P_CITRGFMT_FLIP_Y_MIRROR; + break; + case FLIP_XY_AXIS: + flip = S5P_CITRGFMT_FLIP_180; + break; + case FLIP_NONE: + break; + + } + return flip; +} + +void fimc_hw_set_target_format(struct fimc_ctx *ctx) +{ + u32 cfg; + struct fimc_dev *dev = ctx->fimc_dev; + struct fimc_frame *frame = &ctx->d_frame; + + dbg("w= %d, h= %d color: %d", frame->width, + frame->height, frame->fmt->color); + + cfg = readl(dev->regs + S5P_CITRGFMT); + cfg &= ~(S5P_CITRGFMT_FMT_MASK | S5P_CITRGFMT_HSIZE_MASK | + S5P_CITRGFMT_VSIZE_MASK); + + switch (frame->fmt->color) { + case S5P_FIMC_RGB565: + case S5P_FIMC_RGB666: + case S5P_FIMC_RGB888: + cfg |= S5P_CITRGFMT_RGB; + break; + case S5P_FIMC_YCBCR420: + cfg |= S5P_CITRGFMT_YCBCR420; + break; + case S5P_FIMC_YCBYCR422: + case S5P_FIMC_YCRYCB422: + case S5P_FIMC_CBYCRY422: + case S5P_FIMC_CRYCBY422: + if (frame->fmt->planes_cnt == 1) + cfg |= S5P_CITRGFMT_YCBCR422_1P; + else + cfg |= S5P_CITRGFMT_YCBCR422; + break; + default: + break; + } + + cfg |= S5P_CITRGFMT_HSIZE(frame->width); + cfg |= S5P_CITRGFMT_VSIZE(frame->height); + + if (ctx->rotation == 0) { + cfg &= ~S5P_CITRGFMT_FLIP_MASK; + cfg |= fimc_hw_get_target_flip(ctx->flip); + } + writel(cfg, dev->regs + S5P_CITRGFMT); + + cfg = readl(dev->regs + S5P_CITAREA) & ~S5P_CITAREA_MASK; + cfg |= (frame->width * frame->height); + writel(cfg, dev->regs + S5P_CITAREA); +} + +static void fimc_hw_set_out_dma_size(struct fimc_ctx *ctx) +{ + struct fimc_dev *dev = ctx->fimc_dev; + struct fimc_frame *frame = &ctx->d_frame; + u32 cfg = 0; + + if (ctx->rotation == 90 || ctx->rotation == 270) { + cfg |= S5P_ORIG_SIZE_HOR(frame->f_height); + cfg |= S5P_ORIG_SIZE_VER(frame->f_width); + } else { + cfg |= S5P_ORIG_SIZE_HOR(frame->f_width); + cfg |= S5P_ORIG_SIZE_VER(frame->f_height); + } + writel(cfg, dev->regs + S5P_ORGOSIZE); +} + +void fimc_hw_set_out_dma(struct fimc_ctx *ctx) +{ + u32 cfg; + struct fimc_dev *dev = ctx->fimc_dev; + struct fimc_frame *frame = &ctx->d_frame; + struct fimc_dma_offset *offset = &frame->dma_offset; + + /* Set the input dma offsets. */ + cfg = 0; + cfg |= S5P_CIO_OFFS_HOR(offset->y_h); + cfg |= S5P_CIO_OFFS_VER(offset->y_v); + writel(cfg, dev->regs + S5P_CIOYOFF); + + cfg = 0; + cfg |= S5P_CIO_OFFS_HOR(offset->cb_h); + cfg |= S5P_CIO_OFFS_VER(offset->cb_v); + writel(cfg, dev->regs + S5P_CIOCBOFF); + + cfg = 0; + cfg |= S5P_CIO_OFFS_HOR(offset->cr_h); + cfg |= S5P_CIO_OFFS_VER(offset->cr_v); + writel(cfg, dev->regs + S5P_CIOCROFF); + + fimc_hw_set_out_dma_size(ctx); + + /* Configure chroma components order. */ + cfg = readl(dev->regs + S5P_CIOCTRL); + + cfg &= ~(S5P_CIOCTRL_ORDER2P_MASK | S5P_CIOCTRL_ORDER422_MASK | + S5P_CIOCTRL_YCBCR_PLANE_MASK); + + if (frame->fmt->planes_cnt == 1) + cfg |= ctx->out_order_1p; + else if (frame->fmt->planes_cnt == 2) + cfg |= ctx->out_order_2p | S5P_CIOCTRL_YCBCR_2PLANE; + else if (frame->fmt->planes_cnt == 3) + cfg |= S5P_CIOCTRL_YCBCR_3PLANE; + + writel(cfg, dev->regs + S5P_CIOCTRL); +} + +static void fimc_hw_en_autoload(struct fimc_dev *dev, int enable) +{ + u32 cfg = readl(dev->regs + S5P_ORGISIZE); + if (enable) + cfg |= S5P_CIREAL_ISIZE_AUTOLOAD_EN; + else + cfg &= ~S5P_CIREAL_ISIZE_AUTOLOAD_EN; + writel(cfg, dev->regs + S5P_ORGISIZE); +} + +void fimc_hw_en_lastirq(struct fimc_dev *dev, int enable) +{ + unsigned long flags; + u32 cfg; + + spin_lock_irqsave(&dev->slock, flags); + + cfg = readl(dev->regs + S5P_CIOCTRL); + if (enable) + cfg |= S5P_CIOCTRL_LASTIRQ_ENABLE; + else + cfg &= ~S5P_CIOCTRL_LASTIRQ_ENABLE; + writel(cfg, dev->regs + S5P_CIOCTRL); + + spin_unlock_irqrestore(&dev->slock, flags); +} + +void fimc_hw_set_prescaler(struct fimc_ctx *ctx) +{ + struct fimc_dev *dev = ctx->fimc_dev; + struct fimc_scaler *sc = &ctx->scaler; + u32 cfg = 0, shfactor; + + shfactor = 10 - (sc->hfactor + sc->vfactor); + + cfg |= S5P_CISCPRERATIO_SHFACTOR(shfactor); + cfg |= S5P_CISCPRERATIO_HOR(sc->pre_hratio); + cfg |= S5P_CISCPRERATIO_VER(sc->pre_vratio); + writel(cfg, dev->regs + S5P_CISCPRERATIO); + + cfg = 0; + cfg |= S5P_CISCPREDST_WIDTH(sc->pre_dst_width); + cfg |= S5P_CISCPREDST_HEIGHT(sc->pre_dst_height); + writel(cfg, dev->regs + S5P_CISCPREDST); +} + +void fimc_hw_set_scaler(struct fimc_ctx *ctx) +{ + struct fimc_dev *dev = ctx->fimc_dev; + struct fimc_scaler *sc = &ctx->scaler; + struct fimc_frame *src_frame = &ctx->s_frame; + struct fimc_frame *dst_frame = &ctx->d_frame; + u32 cfg = 0; + + if (!(ctx->flags & FIMC_COLOR_RANGE_NARROW)) + cfg |= (S5P_CISCCTRL_CSCR2Y_WIDE | S5P_CISCCTRL_CSCY2R_WIDE); + + if (!sc->enabled) + cfg |= S5P_CISCCTRL_SCALERBYPASS; + + if (sc->scaleup_h) + cfg |= S5P_CISCCTRL_SCALEUP_H; + + if (sc->scaleup_v) + cfg |= S5P_CISCCTRL_SCALEUP_V; + + if (sc->copy_mode) + cfg |= S5P_CISCCTRL_ONE2ONE; + + + if (ctx->in_path == FIMC_DMA) { + if (src_frame->fmt->color == S5P_FIMC_RGB565) + cfg |= S5P_CISCCTRL_INRGB_FMT_RGB565; + else if (src_frame->fmt->color == S5P_FIMC_RGB666) + cfg |= S5P_CISCCTRL_INRGB_FMT_RGB666; + else if (src_frame->fmt->color == S5P_FIMC_RGB888) + cfg |= S5P_CISCCTRL_INRGB_FMT_RGB888; + } + + if (ctx->out_path == FIMC_DMA) { + if (dst_frame->fmt->color == S5P_FIMC_RGB565) + cfg |= S5P_CISCCTRL_OUTRGB_FMT_RGB565; + else if (dst_frame->fmt->color == S5P_FIMC_RGB666) + cfg |= S5P_CISCCTRL_OUTRGB_FMT_RGB666; + else if (dst_frame->fmt->color == S5P_FIMC_RGB888) + cfg |= S5P_CISCCTRL_OUTRGB_FMT_RGB888; + } else { + cfg |= S5P_CISCCTRL_OUTRGB_FMT_RGB888; + + if (ctx->flags & FIMC_SCAN_MODE_INTERLACED) + cfg |= S5P_CISCCTRL_INTERLACE; + } + + dbg("main_hratio= 0x%X main_vratio= 0x%X", + sc->main_hratio, sc->main_vratio); + + cfg |= S5P_CISCCTRL_SC_HORRATIO(sc->main_hratio); + cfg |= S5P_CISCCTRL_SC_VERRATIO(sc->main_vratio); + + writel(cfg, dev->regs + S5P_CISCCTRL); +} + +void fimc_hw_en_capture(struct fimc_ctx *ctx) +{ + struct fimc_dev *dev = ctx->fimc_dev; + u32 cfg; + + cfg = readl(dev->regs + S5P_CIIMGCPT); + /* One shot mode for output DMA or freerun for FIFO. */ + if (ctx->out_path == FIMC_DMA) + cfg |= S5P_CIIMGCPT_CPT_FREN_ENABLE; + else + cfg &= ~S5P_CIIMGCPT_CPT_FREN_ENABLE; + + if (ctx->scaler.enabled) + cfg |= S5P_CIIMGCPT_IMGCPTEN_SC; + + writel(cfg | S5P_CIIMGCPT_IMGCPTEN, dev->regs + S5P_CIIMGCPT); +} + +void fimc_hw_set_effect(struct fimc_ctx *ctx) +{ + struct fimc_dev *dev = ctx->fimc_dev; + struct fimc_effect *effect = &ctx->effect; + u32 cfg = (S5P_CIIMGEFF_IE_ENABLE | S5P_CIIMGEFF_IE_SC_AFTER); + + cfg |= effect->type; + + if (effect->type == S5P_FIMC_EFFECT_ARBITRARY) { + cfg |= S5P_CIIMGEFF_PAT_CB(effect->pat_cb); + cfg |= S5P_CIIMGEFF_PAT_CR(effect->pat_cr); + } + + writel(cfg, dev->regs + S5P_CIIMGEFF); +} + +static void fimc_hw_set_in_dma_size(struct fimc_ctx *ctx) +{ + struct fimc_dev *dev = ctx->fimc_dev; + struct fimc_frame *frame = &ctx->s_frame; + u32 cfg_o = 0; + u32 cfg_r = 0; + + if (FIMC_LCDFIFO == ctx->out_path) + cfg_r |= S5P_CIREAL_ISIZE_AUTOLOAD_EN; + + cfg_o |= S5P_ORIG_SIZE_HOR(frame->f_width); + cfg_o |= S5P_ORIG_SIZE_VER(frame->f_height); + cfg_r |= S5P_CIREAL_ISIZE_WIDTH(frame->width); + cfg_r |= S5P_CIREAL_ISIZE_HEIGHT(frame->height); + + writel(cfg_o, dev->regs + S5P_ORGISIZE); + writel(cfg_r, dev->regs + S5P_CIREAL_ISIZE); +} + +void fimc_hw_set_in_dma(struct fimc_ctx *ctx) +{ + struct fimc_dev *dev = ctx->fimc_dev; + struct fimc_frame *frame = &ctx->s_frame; + struct fimc_dma_offset *offset = &frame->dma_offset; + u32 cfg = 0; + + /* Set the pixel offsets. */ + cfg |= S5P_CIO_OFFS_HOR(offset->y_h); + cfg |= S5P_CIO_OFFS_VER(offset->y_v); + writel(cfg, dev->regs + S5P_CIIYOFF); + + cfg = 0; + cfg |= S5P_CIO_OFFS_HOR(offset->cb_h); + cfg |= S5P_CIO_OFFS_VER(offset->cb_v); + writel(cfg, dev->regs + S5P_CIICBOFF); + + cfg = 0; + cfg |= S5P_CIO_OFFS_HOR(offset->cr_h); + cfg |= S5P_CIO_OFFS_VER(offset->cr_v); + writel(cfg, dev->regs + S5P_CIICROFF); + + /* Input original and real size. */ + fimc_hw_set_in_dma_size(ctx); + + /* Autoload is used currently only in FIFO mode. */ + fimc_hw_en_autoload(dev, ctx->out_path == FIMC_LCDFIFO); + + /* Set the input DMA to process single frame only. */ + cfg = readl(dev->regs + S5P_MSCTRL); + cfg &= ~(S5P_MSCTRL_FLIP_MASK + | S5P_MSCTRL_INFORMAT_MASK + | S5P_MSCTRL_IN_BURST_COUNT_MASK + | S5P_MSCTRL_INPUT_MASK + | S5P_MSCTRL_C_INT_IN_MASK + | S5P_MSCTRL_2P_IN_ORDER_MASK); + + cfg |= (S5P_MSCTRL_FRAME_COUNT(1) | S5P_MSCTRL_INPUT_MEMORY); + + switch (frame->fmt->color) { + case S5P_FIMC_RGB565: + case S5P_FIMC_RGB666: + case S5P_FIMC_RGB888: + cfg |= S5P_MSCTRL_INFORMAT_RGB; + break; + case S5P_FIMC_YCBCR420: + cfg |= S5P_MSCTRL_INFORMAT_YCBCR420; + + if (frame->fmt->planes_cnt == 2) + cfg |= ctx->in_order_2p | S5P_MSCTRL_C_INT_IN_2PLANE; + else + cfg |= S5P_MSCTRL_C_INT_IN_3PLANE; + + break; + case S5P_FIMC_YCBYCR422: + case S5P_FIMC_YCRYCB422: + case S5P_FIMC_CBYCRY422: + case S5P_FIMC_CRYCBY422: + if (frame->fmt->planes_cnt == 1) { + cfg |= ctx->in_order_1p + | S5P_MSCTRL_INFORMAT_YCBCR422_1P; + } else { + cfg |= S5P_MSCTRL_INFORMAT_YCBCR422; + + if (frame->fmt->planes_cnt == 2) + cfg |= ctx->in_order_2p + | S5P_MSCTRL_C_INT_IN_2PLANE; + else + cfg |= S5P_MSCTRL_C_INT_IN_3PLANE; + } + break; + default: + break; + } + + /* + * Input DMA flip mode (and rotation). + * Do not allow simultaneous rotation and flipping. + */ + if (!ctx->rotation && ctx->out_path == FIMC_LCDFIFO) + cfg |= fimc_hw_get_in_flip(ctx->flip); + + writel(cfg, dev->regs + S5P_MSCTRL); + + /* Input/output DMA linear/tiled mode. */ + cfg = readl(dev->regs + S5P_CIDMAPARAM); + cfg &= ~S5P_CIDMAPARAM_TILE_MASK; + + if (tiled_fmt(ctx->s_frame.fmt)) + cfg |= S5P_CIDMAPARAM_R_64X32; + + if (tiled_fmt(ctx->d_frame.fmt)) + cfg |= S5P_CIDMAPARAM_W_64X32; + + writel(cfg, dev->regs + S5P_CIDMAPARAM); +} + + +void fimc_hw_set_input_path(struct fimc_ctx *ctx) +{ + struct fimc_dev *dev = ctx->fimc_dev; + + u32 cfg = readl(dev->regs + S5P_MSCTRL); + cfg &= ~S5P_MSCTRL_INPUT_MASK; + + if (ctx->in_path == FIMC_DMA) + cfg |= S5P_MSCTRL_INPUT_MEMORY; + else + cfg |= S5P_MSCTRL_INPUT_EXTCAM; + + writel(cfg, dev->regs + S5P_MSCTRL); +} + +void fimc_hw_set_output_path(struct fimc_ctx *ctx) +{ + struct fimc_dev *dev = ctx->fimc_dev; + + u32 cfg = readl(dev->regs + S5P_CISCCTRL); + cfg &= ~S5P_CISCCTRL_LCDPATHEN_FIFO; + if (ctx->out_path == FIMC_LCDFIFO) + cfg |= S5P_CISCCTRL_LCDPATHEN_FIFO; + writel(cfg, dev->regs + S5P_CISCCTRL); +} + +void fimc_hw_set_input_addr(struct fimc_dev *dev, struct fimc_addr *paddr) +{ + u32 cfg = 0; + + cfg = readl(dev->regs + S5P_CIREAL_ISIZE); + cfg |= S5P_CIREAL_ISIZE_ADDR_CH_DIS; + writel(cfg, dev->regs + S5P_CIREAL_ISIZE); + + writel(paddr->y, dev->regs + S5P_CIIYSA0); + writel(paddr->cb, dev->regs + S5P_CIICBSA0); + writel(paddr->cr, dev->regs + S5P_CIICRSA0); + + cfg &= ~S5P_CIREAL_ISIZE_ADDR_CH_DIS; + writel(cfg, dev->regs + S5P_CIREAL_ISIZE); +} + +void fimc_hw_set_output_addr(struct fimc_dev *dev, struct fimc_addr *paddr) +{ + int i; + /* Set all the output register sets to point to single video buffer. */ + for (i = 0; i < FIMC_MAX_OUT_BUFS; i++) { + writel(paddr->y, dev->regs + S5P_CIOYSA(i)); + writel(paddr->cb, dev->regs + S5P_CIOCBSA(i)); + writel(paddr->cr, dev->regs + S5P_CIOCRSA(i)); + } +} diff --git a/drivers/media/video/s5p-fimc/regs-fimc.h b/drivers/media/video/s5p-fimc/regs-fimc.h new file mode 100644 index 0000000..a3cfe82 --- /dev/null +++ b/drivers/media/video/s5p-fimc/regs-fimc.h @@ -0,0 +1,293 @@ +/* + * Register definition file for Samsung Camera Interface (FIMC) driver + * + * Copyright (c) 2010 Samsung Electronics + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef REGS_FIMC_H_ +#define REGS_FIMC_H_ + +#define S5P_CIOYSA(__x) (0x18 + (__x) * 4) +#define S5P_CIOCBSA(__x) (0x28 + (__x) * 4) +#define S5P_CIOCRSA(__x) (0x38 + (__x) * 4) + +/* Input source format */ +#define S5P_CISRCFMT 0x00 +#define S5P_CISRCFMT_ITU601_8BIT (1 << 31) +#define S5P_CISRCFMT_ITU601_16BIT (1 << 29) +#define S5P_CISRCFMT_ORDER422_YCBYCR (0 << 14) +#define S5P_CISRCFMT_ORDER422_YCRYCB (1 << 14) +#define S5P_CISRCFMT_ORDER422_CBYCRY (2 << 14) +#define S5P_CISRCFMT_ORDER422_CRYCBY (3 << 14) +#define S5P_CISRCFMT_HSIZE(x) ((x) << 16) +#define S5P_CISRCFMT_VSIZE(x) ((x) << 0) + +/* Window offset */ +#define S5P_CIWDOFST 0x04 +#define S5P_CIWDOFST_WINOFSEN (1 << 31) +#define S5P_CIWDOFST_CLROVFIY (1 << 30) +#define S5P_CIWDOFST_CLROVRLB (1 << 29) +#define S5P_CIWDOFST_WINHOROFST_MASK (0x7ff << 16) +#define S5P_CIWDOFST_CLROVFICB (1 << 15) +#define S5P_CIWDOFST_CLROVFICR (1 << 14) +#define S5P_CIWDOFST_WINHOROFST(x) ((x) << 16) +#define S5P_CIWDOFST_WINVEROFST(x) ((x) << 0) +#define S5P_CIWDOFST_WINVEROFST_MASK (0xfff << 0) + +/* Global control */ +#define S5P_CIGCTRL 0x08 +#define S5P_CIGCTRL_SWRST (1 << 31) +#define S5P_CIGCTRL_CAMRST_A (1 << 30) +#define S5P_CIGCTRL_SELCAM_ITU_A (1 << 29) +#define S5P_CIGCTRL_SELCAM_ITU_MASK (1 << 29) +#define S5P_CIGCTRL_TESTPAT_NORMAL (0 << 27) +#define S5P_CIGCTRL_TESTPAT_COLOR_BAR (1 << 27) +#define S5P_CIGCTRL_TESTPAT_HOR_INC (2 << 27) +#define S5P_CIGCTRL_TESTPAT_VER_INC (3 << 27) +#define S5P_CIGCTRL_TESTPAT_MASK (3 << 27) +#define S5P_CIGCTRL_TESTPAT_SHIFT (27) +#define S5P_CIGCTRL_INVPOLPCLK (1 << 26) +#define S5P_CIGCTRL_INVPOLVSYNC (1 << 25) +#define S5P_CIGCTRL_INVPOLHREF (1 << 24) +#define S5P_CIGCTRL_IRQ_OVFEN (1 << 22) +#define S5P_CIGCTRL_HREF_MASK (1 << 21) +#define S5P_CIGCTRL_IRQ_LEVEL (1 << 20) +#define S5P_CIGCTRL_IRQ_CLR (1 << 19) +#define S5P_CIGCTRL_IRQ_ENABLE (1 << 16) +#define S5P_CIGCTRL_SHDW_DISABLE (1 << 12) +#define S5P_CIGCTRL_SELCAM_MIPI_A (1 << 7) +#define S5P_CIGCTRL_CAMIF_SELWB (1 << 6) +#define S5P_CIGCTRL_INVPOLHSYNC (1 << 4) +#define S5P_CIGCTRL_SELCAM_MIPI (1 << 3) +#define S5P_CIGCTRL_INTERLACE (1 << 0) + +/* Window offset 2 */ +#define S5P_CIWDOFST2 0x14 +#define S5P_CIWDOFST2_HOROFF_MASK (0xfff << 16) +#define S5P_CIWDOFST2_VEROFF_MASK (0xfff << 0) +#define S5P_CIWDOFST2_HOROFF(x) ((x) << 16) +#define S5P_CIWDOFST2_VEROFF(x) ((x) << 0) + +/* Output DMA Y plane start address */ +#define S5P_CIOYSA1 0x18 +#define S5P_CIOYSA2 0x1c +#define S5P_CIOYSA3 0x20 +#define S5P_CIOYSA4 0x24 + +/* Output DMA Cb plane start address */ +#define S5P_CIOCBSA1 0x28 +#define S5P_CIOCBSA2 0x2c +#define S5P_CIOCBSA3 0x30 +#define S5P_CIOCBSA4 0x34 + +/* Output DMA Cr plane start address */ +#define S5P_CIOCRSA1 0x38 +#define S5P_CIOCRSA2 0x3c +#define S5P_CIOCRSA3 0x40 +#define S5P_CIOCRSA4 0x44 + +/* Target image format */ +#define S5P_CITRGFMT 0x48 +#define S5P_CITRGFMT_INROT90 (1 << 31) +#define S5P_CITRGFMT_YCBCR420 (0 << 29) +#define S5P_CITRGFMT_YCBCR422 (1 << 29) +#define S5P_CITRGFMT_YCBCR422_1P (2 << 29) +#define S5P_CITRGFMT_RGB (3 << 29) +#define S5P_CITRGFMT_FMT_MASK (3 << 29) +#define S5P_CITRGFMT_HSIZE_MASK (0xfff << 16) +#define S5P_CITRGFMT_FLIP_SHIFT (14) +#define S5P_CITRGFMT_FLIP_NORMAL (0 << 14) +#define S5P_CITRGFMT_FLIP_X_MIRROR (1 << 14) +#define S5P_CITRGFMT_FLIP_Y_MIRROR (2 << 14) +#define S5P_CITRGFMT_FLIP_180 (3 << 14) +#define S5P_CITRGFMT_FLIP_MASK (3 << 14) +#define S5P_CITRGFMT_OUTROT90 (1 << 13) +#define S5P_CITRGFMT_VSIZE_MASK (0xfff << 0) +#define S5P_CITRGFMT_HSIZE(x) ((x) << 16) +#define S5P_CITRGFMT_VSIZE(x) ((x) << 0) + +/* Output DMA control */ +#define S5P_CIOCTRL 0x4c +#define S5P_CIOCTRL_ORDER422_MASK (3 << 0) +#define S5P_CIOCTRL_ORDER422_CRYCBY (0 << 0) +#define S5P_CIOCTRL_ORDER422_YCRYCB (1 << 0) +#define S5P_CIOCTRL_ORDER422_CBYCRY (2 << 0) +#define S5P_CIOCTRL_ORDER422_YCBYCR (3 << 0) +#define S5P_CIOCTRL_LASTIRQ_ENABLE (1 << 2) +#define S5P_CIOCTRL_YCBCR_3PLANE (0 << 3) +#define S5P_CIOCTRL_YCBCR_2PLANE (1 << 3) +#define S5P_CIOCTRL_YCBCR_PLANE_MASK (1 << 3) +#define S5P_CIOCTRL_ORDER2P_SHIFT (24) +#define S5P_CIOCTRL_ORDER2P_MASK (3 << 24) +#define S5P_CIOCTRL_ORDER422_2P_LSB_CRCB (0 << 24) + +/* Pre-scaler control 1 */ +#define S5P_CISCPRERATIO 0x50 +#define S5P_CISCPRERATIO_SHFACTOR(x) ((x) << 28) +#define S5P_CISCPRERATIO_HOR(x) ((x) << 16) +#define S5P_CISCPRERATIO_VER(x) ((x) << 0) + +#define S5P_CISCPREDST 0x54 +#define S5P_CISCPREDST_WIDTH(x) ((x) << 16) +#define S5P_CISCPREDST_HEIGHT(x) ((x) << 0) + +/* Main scaler control */ +#define S5P_CISCCTRL 0x58 +#define S5P_CISCCTRL_SCALERBYPASS (1 << 31) +#define S5P_CISCCTRL_SCALEUP_H (1 << 30) +#define S5P_CISCCTRL_SCALEUP_V (1 << 29) +#define S5P_CISCCTRL_CSCR2Y_WIDE (1 << 28) +#define S5P_CISCCTRL_CSCY2R_WIDE (1 << 27) +#define S5P_CISCCTRL_LCDPATHEN_FIFO (1 << 26) +#define S5P_CISCCTRL_INTERLACE (1 << 25) +#define S5P_CISCCTRL_SCALERSTART (1 << 15) +#define S5P_CISCCTRL_INRGB_FMT_RGB565 (0 << 13) +#define S5P_CISCCTRL_INRGB_FMT_RGB666 (1 << 13) +#define S5P_CISCCTRL_INRGB_FMT_RGB888 (2 << 13) +#define S5P_CISCCTRL_INRGB_FMT_MASK (3 << 13) +#define S5P_CISCCTRL_OUTRGB_FMT_RGB565 (0 << 11) +#define S5P_CISCCTRL_OUTRGB_FMT_RGB666 (1 << 11) +#define S5P_CISCCTRL_OUTRGB_FMT_RGB888 (2 << 11) +#define S5P_CISCCTRL_OUTRGB_FMT_MASK (3 << 11) +#define S5P_CISCCTRL_RGB_EXT (1 << 10) +#define S5P_CISCCTRL_ONE2ONE (1 << 9) +#define S5P_CISCCTRL_SC_HORRATIO(x) ((x) << 16) +#define S5P_CISCCTRL_SC_VERRATIO(x) ((x) << 0) + +/* Target area */ +#define S5P_CITAREA 0x5c +#define S5P_CITAREA_MASK 0x0fffffff + +/* General status */ +#define S5P_CISTATUS 0x64 +#define S5P_CISTATUS_OVFIY (1 << 31) +#define S5P_CISTATUS_OVFICB (1 << 30) +#define S5P_CISTATUS_OVFICR (1 << 29) +#define S5P_CISTATUS_VSYNC (1 << 28) +#define S5P_CISTATUS_WINOFF_EN (1 << 25) +#define S5P_CISTATUS_IMGCPT_EN (1 << 22) +#define S5P_CISTATUS_IMGCPT_SCEN (1 << 21) +#define S5P_CISTATUS_VSYNC_A (1 << 20) +#define S5P_CISTATUS_VSYNC_B (1 << 19) +#define S5P_CISTATUS_OVRLB (1 << 18) +#define S5P_CISTATUS_FRAME_END (1 << 17) +#define S5P_CISTATUS_LASTCAPT_END (1 << 16) +#define S5P_CISTATUS_VVALID_A (1 << 15) +#define S5P_CISTATUS_VVALID_B (1 << 14) + +/* Image capture control */ +#define S5P_CIIMGCPT 0xc0 +#define S5P_CIIMGCPT_IMGCPTEN (1 << 31) +#define S5P_CIIMGCPT_IMGCPTEN_SC (1 << 30) +#define S5P_CIIMGCPT_CPT_FREN_ENABLE (1 << 25) +#define S5P_CIIMGCPT_CPT_FRMOD_CNT (1 << 18) + +/* Frame capture sequence */ +#define S5P_CICPTSEQ 0xc4 + +/* Image effect */ +#define S5P_CIIMGEFF 0xd0 +#define S5P_CIIMGEFF_IE_DISABLE (0 << 30) +#define S5P_CIIMGEFF_IE_ENABLE (1 << 30) +#define S5P_CIIMGEFF_IE_SC_BEFORE (0 << 29) +#define S5P_CIIMGEFF_IE_SC_AFTER (1 << 29) +#define S5P_CIIMGEFF_FIN_BYPASS (0 << 26) +#define S5P_CIIMGEFF_FIN_ARBITRARY (1 << 26) +#define S5P_CIIMGEFF_FIN_NEGATIVE (2 << 26) +#define S5P_CIIMGEFF_FIN_ARTFREEZE (3 << 26) +#define S5P_CIIMGEFF_FIN_EMBOSSING (4 << 26) +#define S5P_CIIMGEFF_FIN_SILHOUETTE (5 << 26) +#define S5P_CIIMGEFF_FIN_MASK (7 << 26) +#define S5P_CIIMGEFF_PAT_CBCR_MASK ((0xff < 13) | (0xff < 0)) +#define S5P_CIIMGEFF_PAT_CB(x) ((x) << 13) +#define S5P_CIIMGEFF_PAT_CR(x) ((x) << 0) + +/* Input DMA Y/Cb/Cr plane start address 0 */ +#define S5P_CIIYSA0 0xd4 +#define S5P_CIICBSA0 0xd8 +#define S5P_CIICRSA0 0xdc + +/* Real input DMA image size */ +#define S5P_CIREAL_ISIZE 0xf8 +#define S5P_CIREAL_ISIZE_AUTOLOAD_EN (1 << 31) +#define S5P_CIREAL_ISIZE_ADDR_CH_DIS (1 << 30) +#define S5P_CIREAL_ISIZE_HEIGHT(x) ((x) << 16) +#define S5P_CIREAL_ISIZE_WIDTH(x) ((x) << 0) + + +/* Input DMA control */ +#define S5P_MSCTRL 0xfc +#define S5P_MSCTRL_IN_BURST_COUNT_MASK (3 << 24) +#define S5P_MSCTRL_2P_IN_ORDER_MASK (3 << 16) +#define S5P_MSCTRL_2P_IN_ORDER_SHIFT 16 +#define S5P_MSCTRL_C_INT_IN_3PLANE (0 << 15) +#define S5P_MSCTRL_C_INT_IN_2PLANE (1 << 15) +#define S5P_MSCTRL_C_INT_IN_MASK (1 << 15) +#define S5P_MSCTRL_FLIP_SHIFT 13 +#define S5P_MSCTRL_FLIP_MASK (3 << 13) +#define S5P_MSCTRL_FLIP_NORMAL (0 << 13) +#define S5P_MSCTRL_FLIP_X_MIRROR (1 << 13) +#define S5P_MSCTRL_FLIP_Y_MIRROR (2 << 13) +#define S5P_MSCTRL_FLIP_180 (3 << 13) +#define S5P_MSCTRL_ORDER422_SHIFT 4 +#define S5P_MSCTRL_ORDER422_CRYCBY (0 << 4) +#define S5P_MSCTRL_ORDER422_YCRYCB (1 << 4) +#define S5P_MSCTRL_ORDER422_CBYCRY (2 << 4) +#define S5P_MSCTRL_ORDER422_YCBYCR (3 << 4) +#define S5P_MSCTRL_ORDER422_MASK (3 << 4) +#define S5P_MSCTRL_INPUT_EXTCAM (0 << 3) +#define S5P_MSCTRL_INPUT_MEMORY (1 << 3) +#define S5P_MSCTRL_INPUT_MASK (1 << 3) +#define S5P_MSCTRL_INFORMAT_YCBCR420 (0 << 1) +#define S5P_MSCTRL_INFORMAT_YCBCR422 (1 << 1) +#define S5P_MSCTRL_INFORMAT_YCBCR422_1P (2 << 1) +#define S5P_MSCTRL_INFORMAT_RGB (3 << 1) +#define S5P_MSCTRL_INFORMAT_MASK (3 << 1) +#define S5P_MSCTRL_ENVID (1 << 0) +#define S5P_MSCTRL_FRAME_COUNT(x) ((x) << 24) + +/* Input DMA Y/Cb/Cr plane start address 1 */ +#define S5P_CIIYSA1 0x144 +#define S5P_CIICBSA1 0x148 +#define S5P_CIICRSA1 0x14c + +/* Output DMA Y/Cb/Cr offset */ +#define S5P_CIOYOFF 0x168 +#define S5P_CIOCBOFF 0x16c +#define S5P_CIOCROFF 0x170 + +/* Input DMA Y/Cb/Cr offset */ +#define S5P_CIIYOFF 0x174 +#define S5P_CIICBOFF 0x178 +#define S5P_CIICROFF 0x17c + +#define S5P_CIO_OFFS_VER(x) ((x) << 16) +#define S5P_CIO_OFFS_HOR(x) ((x) << 0) + +/* Input DMA original image size */ +#define S5P_ORGISIZE 0x180 + +/* Output DMA original image size */ +#define S5P_ORGOSIZE 0x184 + +#define S5P_ORIG_SIZE_VER(x) ((x) << 16) +#define S5P_ORIG_SIZE_HOR(x) ((x) << 0) + +/* Real output DMA image size (extension register) */ +#define S5P_CIEXTEN 0x188 + +#define S5P_CIDMAPARAM 0x18c +#define S5P_CIDMAPARAM_R_LINEAR (0 << 29) +#define S5P_CIDMAPARAM_R_64X32 (3 << 29) +#define S5P_CIDMAPARAM_W_LINEAR (0 << 13) +#define S5P_CIDMAPARAM_W_64X32 (3 << 13) +#define S5P_CIDMAPARAM_TILE_MASK ((3 << 29) | (3 << 13)) + +/* MIPI CSI image format */ +#define S5P_CSIIMGFMT 0x194 + +#endif /* REGS_FIMC_H_ */ diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c index 76da743..ee963f4 100644 --- a/drivers/media/video/saa7115.c +++ b/drivers/media/video/saa7115.c @@ -45,6 +45,7 @@ #include <linux/i2c.h> #include <linux/videodev2.h> #include <media/v4l2-device.h> +#include <media/v4l2-ctrls.h> #include <media/v4l2-chip-ident.h> #include <media/v4l2-i2c-drv.h> #include <media/saa7115.h> @@ -65,16 +66,19 @@ MODULE_PARM_DESC(debug, "Debug level (0-1)"); struct saa711x_state { struct v4l2_subdev sd; + struct v4l2_ctrl_handler hdl; + + struct { + /* chroma gain control cluster */ + struct v4l2_ctrl *agc; + struct v4l2_ctrl *gain; + }; + v4l2_std_id std; int input; int output; int enable; int radio; - int bright; - int contrast; - int hue; - int sat; - int chroma_agc; int width; int height; u32 ident; @@ -90,6 +94,11 @@ static inline struct saa711x_state *to_state(struct v4l2_subdev *sd) return container_of(sd, struct saa711x_state, sd); } +static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) +{ + return &container_of(ctrl->handler, struct saa711x_state, hdl)->sd; +} + /* ----------------------------------------------------------------------- */ static inline int saa711x_write(struct v4l2_subdev *sd, u8 reg, u8 value) @@ -741,96 +750,53 @@ static int saa711x_s_clock_freq(struct v4l2_subdev *sd, u32 freq) return 0; } -static int saa711x_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) +static int saa711x_g_volatile_ctrl(struct v4l2_ctrl *ctrl) { + struct v4l2_subdev *sd = to_sd(ctrl); struct saa711x_state *state = to_state(sd); - u8 val; switch (ctrl->id) { - case V4L2_CID_BRIGHTNESS: - if (ctrl->value < 0 || ctrl->value > 255) { - v4l2_err(sd, "invalid brightness setting %d\n", ctrl->value); - return -ERANGE; - } - - state->bright = ctrl->value; - saa711x_write(sd, R_0A_LUMA_BRIGHT_CNTL, state->bright); - break; - - case V4L2_CID_CONTRAST: - if (ctrl->value < 0 || ctrl->value > 127) { - v4l2_err(sd, "invalid contrast setting %d\n", ctrl->value); - return -ERANGE; - } - - state->contrast = ctrl->value; - saa711x_write(sd, R_0B_LUMA_CONTRAST_CNTL, state->contrast); - break; - - case V4L2_CID_SATURATION: - if (ctrl->value < 0 || ctrl->value > 127) { - v4l2_err(sd, "invalid saturation setting %d\n", ctrl->value); - return -ERANGE; - } - - state->sat = ctrl->value; - saa711x_write(sd, R_0C_CHROMA_SAT_CNTL, state->sat); - break; - - case V4L2_CID_HUE: - if (ctrl->value < -128 || ctrl->value > 127) { - v4l2_err(sd, "invalid hue setting %d\n", ctrl->value); - return -ERANGE; - } - - state->hue = ctrl->value; - saa711x_write(sd, R_0D_CHROMA_HUE_CNTL, state->hue); - break; case V4L2_CID_CHROMA_AGC: - val = saa711x_read(sd, R_0F_CHROMA_GAIN_CNTL); - state->chroma_agc = ctrl->value; - if (ctrl->value) - val &= 0x7f; - else - val |= 0x80; - saa711x_write(sd, R_0F_CHROMA_GAIN_CNTL, val); + /* chroma gain cluster */ + if (state->agc->cur.val) + state->gain->cur.val = + saa711x_read(sd, R_0F_CHROMA_GAIN_CNTL) & 0x7f; break; - case V4L2_CID_CHROMA_GAIN: - /* Chroma gain cannot be set when AGC is enabled */ - if (state->chroma_agc == 1) - return -EINVAL; - saa711x_write(sd, R_0F_CHROMA_GAIN_CNTL, ctrl->value | 0x80); - break; - default: - return -EINVAL; } - return 0; } -static int saa711x_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) +static int saa711x_s_ctrl(struct v4l2_ctrl *ctrl) { + struct v4l2_subdev *sd = to_sd(ctrl); struct saa711x_state *state = to_state(sd); switch (ctrl->id) { case V4L2_CID_BRIGHTNESS: - ctrl->value = state->bright; + saa711x_write(sd, R_0A_LUMA_BRIGHT_CNTL, ctrl->val); break; + case V4L2_CID_CONTRAST: - ctrl->value = state->contrast; + saa711x_write(sd, R_0B_LUMA_CONTRAST_CNTL, ctrl->val); break; + case V4L2_CID_SATURATION: - ctrl->value = state->sat; + saa711x_write(sd, R_0C_CHROMA_SAT_CNTL, ctrl->val); break; + case V4L2_CID_HUE: - ctrl->value = state->hue; + saa711x_write(sd, R_0D_CHROMA_HUE_CNTL, ctrl->val); break; + case V4L2_CID_CHROMA_AGC: - ctrl->value = state->chroma_agc; - break; - case V4L2_CID_CHROMA_GAIN: - ctrl->value = saa711x_read(sd, R_0F_CHROMA_GAIN_CNTL) & 0x7f; + /* chroma gain cluster */ + if (state->agc->val) + saa711x_write(sd, R_0F_CHROMA_GAIN_CNTL, state->gain->val); + else + saa711x_write(sd, R_0F_CHROMA_GAIN_CNTL, state->gain->val | 0x80); + v4l2_ctrl_activate(state->gain, !state->agc->val); break; + default: return -EINVAL; } @@ -1223,25 +1189,6 @@ static int saa711x_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) return 0; } -static int saa711x_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc) -{ - switch (qc->id) { - case V4L2_CID_BRIGHTNESS: - return v4l2_ctrl_query_fill(qc, 0, 255, 1, 128); - case V4L2_CID_CONTRAST: - case V4L2_CID_SATURATION: - return v4l2_ctrl_query_fill(qc, 0, 127, 1, 64); - case V4L2_CID_HUE: - return v4l2_ctrl_query_fill(qc, -128, 127, 1, 0); - case V4L2_CID_CHROMA_AGC: - return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1); - case V4L2_CID_CHROMA_GAIN: - return v4l2_ctrl_query_fill(qc, 0, 127, 1, 48); - default: - return -EINVAL; - } -} - static int saa711x_s_std(struct v4l2_subdev *sd, v4l2_std_id std) { struct saa711x_state *state = to_state(sd); @@ -1518,17 +1465,27 @@ static int saa711x_log_status(struct v4l2_subdev *sd) break; } v4l2_info(sd, "Width, Height: %d, %d\n", state->width, state->height); + v4l2_ctrl_handler_log_status(&state->hdl, sd->name); return 0; } /* ----------------------------------------------------------------------- */ +static const struct v4l2_ctrl_ops saa711x_ctrl_ops = { + .s_ctrl = saa711x_s_ctrl, + .g_volatile_ctrl = saa711x_g_volatile_ctrl, +}; + static const struct v4l2_subdev_core_ops saa711x_core_ops = { .log_status = saa711x_log_status, .g_chip_ident = saa711x_g_chip_ident, - .g_ctrl = saa711x_g_ctrl, - .s_ctrl = saa711x_s_ctrl, - .queryctrl = saa711x_queryctrl, + .g_ext_ctrls = v4l2_subdev_g_ext_ctrls, + .try_ext_ctrls = v4l2_subdev_try_ext_ctrls, + .s_ext_ctrls = v4l2_subdev_s_ext_ctrls, + .g_ctrl = v4l2_subdev_g_ctrl, + .s_ctrl = v4l2_subdev_s_ctrl, + .queryctrl = v4l2_subdev_queryctrl, + .querymenu = v4l2_subdev_querymenu, .s_std = saa711x_s_std, .reset = saa711x_reset, .s_gpio = saa711x_s_gpio, @@ -1579,8 +1536,9 @@ static int saa711x_probe(struct i2c_client *client, { struct saa711x_state *state; struct v4l2_subdev *sd; - int i; - char name[17]; + struct v4l2_ctrl_handler *hdl; + int i; + char name[17]; char chip_id; int autodetect = !id || id->driver_data == 1; @@ -1619,15 +1577,38 @@ static int saa711x_probe(struct i2c_client *client, return -ENOMEM; sd = &state->sd; v4l2_i2c_subdev_init(sd, client, &saa711x_ops); + + hdl = &state->hdl; + v4l2_ctrl_handler_init(hdl, 6); + /* add in ascending ID order */ + v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops, + V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); + v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops, + V4L2_CID_CONTRAST, 0, 127, 1, 64); + v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops, + V4L2_CID_SATURATION, 0, 127, 1, 64); + v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops, + V4L2_CID_HUE, -128, 127, 1, 0); + state->agc = v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops, + V4L2_CID_CHROMA_AGC, 0, 1, 1, 1); + state->gain = v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops, + V4L2_CID_CHROMA_GAIN, 0, 127, 1, 40); + state->gain->is_volatile = 1; + sd->ctrl_handler = hdl; + if (hdl->error) { + int err = hdl->error; + + v4l2_ctrl_handler_free(hdl); + kfree(state); + return err; + } + state->agc->flags |= V4L2_CTRL_FLAG_UPDATE; + v4l2_ctrl_cluster(2, &state->agc); + state->input = -1; state->output = SAA7115_IPORT_ON; state->enable = 1; state->radio = 0; - state->bright = 128; - state->contrast = 64; - state->hue = 0; - state->sat = 64; - state->chroma_agc = 1; switch (chip_id) { case '1': state->ident = V4L2_IDENT_SAA7111; @@ -1675,6 +1656,7 @@ static int saa711x_probe(struct i2c_client *client, if (state->ident > V4L2_IDENT_SAA7111A) saa711x_writeregs(sd, saa7115_init_misc); saa711x_set_v4lstd(sd, V4L2_STD_NTSC); + v4l2_ctrl_handler_setup(hdl); v4l2_dbg(1, debug, sd, "status: (1E) 0x%02x, (1F) 0x%02x\n", saa711x_read(sd, R_1E_STATUS_BYTE_1_VD_DEC), @@ -1689,6 +1671,7 @@ static int saa711x_remove(struct i2c_client *client) struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); + v4l2_ctrl_handler_free(sd->ctrl_handler); kfree(to_state(sd)); return 0; } diff --git a/drivers/media/video/saa717x.c b/drivers/media/video/saa717x.c index 78d6995..45f8bfc 100644 --- a/drivers/media/video/saa717x.c +++ b/drivers/media/video/saa717x.c @@ -38,6 +38,7 @@ #include <linux/videodev2.h> #include <linux/i2c.h> #include <media/v4l2-device.h> +#include <media/v4l2-ctrls.h> #include <media/v4l2-i2c-drv.h> MODULE_DESCRIPTION("Philips SAA717x audio/video decoder driver"); @@ -55,14 +56,11 @@ MODULE_PARM_DESC(debug, "Debug level (0-1)"); struct saa717x_state { struct v4l2_subdev sd; + struct v4l2_ctrl_handler hdl; v4l2_std_id std; int input; int enable; int radio; - int bright; - int contrast; - int hue; - int sat; int playback; int audio; int tuner_audio_mode; @@ -81,6 +79,11 @@ static inline struct saa717x_state *to_state(struct v4l2_subdev *sd) return container_of(sd, struct saa717x_state, sd); } +static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) +{ + return &container_of(ctrl->handler, struct saa717x_state, hdl)->sd; +} + /* ----------------------------------------------------------------------- */ /* for audio mode */ @@ -774,29 +777,6 @@ static void set_audio_mode(struct v4l2_subdev *sd, int audio_mode) saa717x_write(sd, 0x470, reg_set_audio_template[audio_mode][1]); } -/* write regs to video output level (bright,contrast,hue,sat) */ -static void set_video_output_level_regs(struct v4l2_subdev *sd, - struct saa717x_state *decoder) -{ - /* brightness ffh (bright) - 80h (ITU level) - 00h (dark) */ - saa717x_write(sd, 0x10a, decoder->bright); - - /* contrast 7fh (max: 1.984) - 44h (ITU) - 40h (1.0) - - 0h (luminance off) 40: i2c dump - c0h (-1.0 inverse chrominance) - 80h (-2.0 inverse chrominance) */ - saa717x_write(sd, 0x10b, decoder->contrast); - - /* saturation? 7fh(max)-40h(ITU)-0h(color off) - c0h (-1.0 inverse chrominance) - 80h (-2.0 inverse chrominance) */ - saa717x_write(sd, 0x10c, decoder->sat); - - /* color hue (phase) control - 7fh (+178.6) - 0h (0 normal) - 80h (-180.0) */ - saa717x_write(sd, 0x10d, decoder->hue); -} - /* write regs to set audio volume, bass and treble */ static int set_audio_regs(struct v4l2_subdev *sd, struct saa717x_state *decoder) @@ -829,9 +809,9 @@ static int set_audio_regs(struct v4l2_subdev *sd, saa717x_write(sd, 0x480, val); - /* bass and treble; go to another function */ /* set bass and treble */ - val = decoder->audio_main_bass | (decoder->audio_main_treble << 8); + val = decoder->audio_main_bass & 0x1f; + val |= (decoder->audio_main_treble & 0x1f) << 5; saa717x_write(sd, 0x488, val); return 0; } @@ -893,218 +873,55 @@ static void set_v_scale(struct v4l2_subdev *sd, int task, int yscale) saa717x_write(sd, 0x71 + task_shift, yscale >> 8); } -static int saa717x_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) -{ - struct saa717x_state *state = to_state(sd); - - switch (ctrl->id) { - case V4L2_CID_BRIGHTNESS: - if (ctrl->value < 0 || ctrl->value > 255) { - v4l2_err(sd, "invalid brightness setting %d\n", ctrl->value); - return -ERANGE; - } - - state->bright = ctrl->value; - v4l2_dbg(1, debug, sd, "bright:%d\n", state->bright); - saa717x_write(sd, 0x10a, state->bright); - break; - - case V4L2_CID_CONTRAST: - if (ctrl->value < 0 || ctrl->value > 127) { - v4l2_err(sd, "invalid contrast setting %d\n", ctrl->value); - return -ERANGE; - } - - state->contrast = ctrl->value; - v4l2_dbg(1, debug, sd, "contrast:%d\n", state->contrast); - saa717x_write(sd, 0x10b, state->contrast); - break; - - case V4L2_CID_SATURATION: - if (ctrl->value < 0 || ctrl->value > 127) { - v4l2_err(sd, "invalid saturation setting %d\n", ctrl->value); - return -ERANGE; - } - - state->sat = ctrl->value; - v4l2_dbg(1, debug, sd, "sat:%d\n", state->sat); - saa717x_write(sd, 0x10c, state->sat); - break; - - case V4L2_CID_HUE: - if (ctrl->value < -128 || ctrl->value > 127) { - v4l2_err(sd, "invalid hue setting %d\n", ctrl->value); - return -ERANGE; - } - - state->hue = ctrl->value; - v4l2_dbg(1, debug, sd, "hue:%d\n", state->hue); - saa717x_write(sd, 0x10d, state->hue); - break; - - case V4L2_CID_AUDIO_MUTE: - state->audio_main_mute = ctrl->value; - set_audio_regs(sd, state); - break; - - case V4L2_CID_AUDIO_VOLUME: - state->audio_main_volume = ctrl->value; - set_audio_regs(sd, state); - break; - - case V4L2_CID_AUDIO_BALANCE: - state->audio_main_balance = ctrl->value; - set_audio_regs(sd, state); - break; - - case V4L2_CID_AUDIO_TREBLE: - state->audio_main_treble = ctrl->value; - set_audio_regs(sd, state); - break; - - case V4L2_CID_AUDIO_BASS: - state->audio_main_bass = ctrl->value; - set_audio_regs(sd, state); - break; - - default: - return -EINVAL; - } - - return 0; -} - -static int saa717x_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) +static int saa717x_s_ctrl(struct v4l2_ctrl *ctrl) { + struct v4l2_subdev *sd = to_sd(ctrl); struct saa717x_state *state = to_state(sd); switch (ctrl->id) { case V4L2_CID_BRIGHTNESS: - ctrl->value = state->bright; - break; + saa717x_write(sd, 0x10a, ctrl->val); + return 0; case V4L2_CID_CONTRAST: - ctrl->value = state->contrast; - break; + saa717x_write(sd, 0x10b, ctrl->val); + return 0; case V4L2_CID_SATURATION: - ctrl->value = state->sat; - break; + saa717x_write(sd, 0x10c, ctrl->val); + return 0; case V4L2_CID_HUE: - ctrl->value = state->hue; - break; + saa717x_write(sd, 0x10d, ctrl->val); + return 0; case V4L2_CID_AUDIO_MUTE: - ctrl->value = state->audio_main_mute; + state->audio_main_mute = ctrl->val; break; case V4L2_CID_AUDIO_VOLUME: - ctrl->value = state->audio_main_volume; + state->audio_main_volume = ctrl->val; break; case V4L2_CID_AUDIO_BALANCE: - ctrl->value = state->audio_main_balance; + state->audio_main_balance = ctrl->val; break; case V4L2_CID_AUDIO_TREBLE: - ctrl->value = state->audio_main_treble; + state->audio_main_treble = ctrl->val; break; case V4L2_CID_AUDIO_BASS: - ctrl->value = state->audio_main_bass; + state->audio_main_bass = ctrl->val; break; default: - return -EINVAL; + return 0; } - + set_audio_regs(sd, state); return 0; } -static struct v4l2_queryctrl saa717x_qctrl[] = { - { - .id = V4L2_CID_BRIGHTNESS, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Brightness", - .minimum = 0, - .maximum = 255, - .step = 1, - .default_value = 128, - .flags = 0, - }, { - .id = V4L2_CID_CONTRAST, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Contrast", - .minimum = 0, - .maximum = 255, - .step = 1, - .default_value = 64, - .flags = 0, - }, { - .id = V4L2_CID_SATURATION, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Saturation", - .minimum = 0, - .maximum = 255, - .step = 1, - .default_value = 64, - .flags = 0, - }, { - .id = V4L2_CID_HUE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Hue", - .minimum = -128, - .maximum = 127, - .step = 1, - .default_value = 0, - .flags = 0, - }, { - .id = V4L2_CID_AUDIO_VOLUME, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Volume", - .minimum = 0, - .maximum = 65535, - .step = 65535 / 100, - .default_value = 58880, - .flags = 0, - }, { - .id = V4L2_CID_AUDIO_BALANCE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Balance", - .minimum = 0, - .maximum = 65535, - .step = 65535 / 100, - .default_value = 32768, - .flags = 0, - }, { - .id = V4L2_CID_AUDIO_MUTE, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Mute", - .minimum = 0, - .maximum = 1, - .step = 1, - .default_value = 1, - .flags = 0, - }, { - .id = V4L2_CID_AUDIO_BASS, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Bass", - .minimum = 0, - .maximum = 65535, - .step = 65535 / 100, - .default_value = 32768, - }, { - .id = V4L2_CID_AUDIO_TREBLE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Treble", - .minimum = 0, - .maximum = 65535, - .step = 65535 / 100, - .default_value = 32768, - }, -}; - static int saa717x_s_video_routing(struct v4l2_subdev *sd, u32 input, u32 output, u32 config) { @@ -1158,18 +975,6 @@ static int saa717x_s_video_routing(struct v4l2_subdev *sd, return 0; } -static int saa717x_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(saa717x_qctrl); i++) - if (qc->id && qc->id == saa717x_qctrl[i].id) { - memcpy(qc, &saa717x_qctrl[i], sizeof(*qc)); - return 0; - } - return -EINVAL; -} - #ifdef CONFIG_VIDEO_ADV_DEBUG static int saa717x_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) { @@ -1386,17 +1191,34 @@ static int saa717x_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) return 0; } +static int saa717x_log_status(struct v4l2_subdev *sd) +{ + struct saa717x_state *state = to_state(sd); + + v4l2_ctrl_handler_log_status(&state->hdl, sd->name); + return 0; +} + /* ----------------------------------------------------------------------- */ +static const struct v4l2_ctrl_ops saa717x_ctrl_ops = { + .s_ctrl = saa717x_s_ctrl, +}; + static const struct v4l2_subdev_core_ops saa717x_core_ops = { #ifdef CONFIG_VIDEO_ADV_DEBUG .g_register = saa717x_g_register, .s_register = saa717x_s_register, #endif - .queryctrl = saa717x_queryctrl, - .g_ctrl = saa717x_g_ctrl, - .s_ctrl = saa717x_s_ctrl, .s_std = saa717x_s_std, + .g_ext_ctrls = v4l2_subdev_g_ext_ctrls, + .try_ext_ctrls = v4l2_subdev_try_ext_ctrls, + .s_ext_ctrls = v4l2_subdev_s_ext_ctrls, + .g_ctrl = v4l2_subdev_g_ctrl, + .s_ctrl = v4l2_subdev_s_ctrl, + .queryctrl = v4l2_subdev_queryctrl, + .querymenu = v4l2_subdev_querymenu, + .log_status = saa717x_log_status, }; static const struct v4l2_subdev_tuner_ops saa717x_tuner_ops = { @@ -1432,6 +1254,7 @@ static int saa717x_probe(struct i2c_client *client, const struct i2c_device_id *did) { struct saa717x_state *decoder; + struct v4l2_ctrl_handler *hdl; struct v4l2_subdev *sd; u8 id = 0; char *p = ""; @@ -1467,16 +1290,41 @@ static int saa717x_probe(struct i2c_client *client, p = "saa7171"; v4l2_info(sd, "%s found @ 0x%x (%s)\n", p, client->addr << 1, client->adapter->name); + + hdl = &decoder->hdl; + v4l2_ctrl_handler_init(hdl, 9); + /* add in ascending ID order */ + v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops, + V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); + v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops, + V4L2_CID_CONTRAST, 0, 255, 1, 68); + v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops, + V4L2_CID_SATURATION, 0, 255, 1, 64); + v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops, + V4L2_CID_HUE, -128, 127, 1, 0); + v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops, + V4L2_CID_AUDIO_VOLUME, 0, 65535, 65535 / 100, 42000); + v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops, + V4L2_CID_AUDIO_BALANCE, 0, 65535, 65535 / 100, 32768); + v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops, + V4L2_CID_AUDIO_BASS, -16, 15, 1, 0); + v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops, + V4L2_CID_AUDIO_TREBLE, -16, 15, 1, 0); + v4l2_ctrl_new_std(hdl, &saa717x_ctrl_ops, + V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0); + sd->ctrl_handler = hdl; + if (hdl->error) { + int err = hdl->error; + + v4l2_ctrl_handler_free(hdl); + kfree(decoder); + return err; + } + decoder->std = V4L2_STD_NTSC; decoder->input = -1; decoder->enable = 1; - /* tune these parameters */ - decoder->bright = 0x80; - decoder->contrast = 0x44; - decoder->sat = 0x40; - decoder->hue = 0x00; - /* FIXME!! */ decoder->playback = 0; /* initially capture mode used */ decoder->audio = 1; /* DECODER_AUDIO_48_KHZ */ @@ -1487,23 +1335,13 @@ static int saa717x_probe(struct i2c_client *client, /* set volume, bass and treble */ decoder->audio_main_vol_l = 6; decoder->audio_main_vol_r = 6; - decoder->audio_main_bass = 0; - decoder->audio_main_treble = 0; - decoder->audio_main_mute = 0; - decoder->audio_main_balance = 32768; - /* normalize (24 to -40 (not -84) -> 65535 to 0) */ - decoder->audio_main_volume = - (decoder->audio_main_vol_r + 41) * 65535 / (24 - (-40)); v4l2_dbg(1, debug, sd, "writing init values\n"); /* FIXME!! */ saa717x_write_regs(sd, reg_init_initialize); - set_video_output_level_regs(sd, decoder); - /* set bass,treble to 0db 20041101 K.Ohta */ - decoder->audio_main_bass = 0; - decoder->audio_main_treble = 0; - set_audio_regs(sd, decoder); + + v4l2_ctrl_handler_setup(hdl); set_current_state(TASK_INTERRUPTIBLE); schedule_timeout(2*HZ); @@ -1515,6 +1353,7 @@ static int saa717x_remove(struct i2c_client *client) struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); + v4l2_ctrl_handler_free(sd->ctrl_handler); kfree(to_state(sd)); return 0; } diff --git a/drivers/media/video/soc_camera.c b/drivers/media/video/soc_camera.c index f203293..a499cac 100644 --- a/drivers/media/video/soc_camera.c +++ b/drivers/media/video/soc_camera.c @@ -779,9 +779,12 @@ static int soc_camera_s_crop(struct file *file, void *fh, ret = ici->ops->get_crop(icd, ¤t_crop); /* Prohibit window size change with initialised buffers */ - if (icf->vb_vidq.bufs[0] && !ret && - (a->c.width != current_crop.c.width || - a->c.height != current_crop.c.height)) { + if (ret < 0) { + dev_err(&icd->dev, + "S_CROP denied: getting current crop failed\n"); + } else if (icf->vb_vidq.bufs[0] && + (a->c.width != current_crop.c.width || + a->c.height != current_crop.c.height)) { dev_err(&icd->dev, "S_CROP denied: queue initialised and sizes differ\n"); ret = -EBUSY; diff --git a/drivers/media/video/tvp7002.c b/drivers/media/video/tvp7002.c index 8085ac3..48f5c76 100644 --- a/drivers/media/video/tvp7002.c +++ b/drivers/media/video/tvp7002.c @@ -179,7 +179,7 @@ static const struct i2c_reg_value tvp7002_init_default[] = { /* Register parameters for 480P */ static const struct i2c_reg_value tvp7002_parms_480P[] = { { TVP7002_HPLL_FDBK_DIV_MSBS, 0x35, TVP7002_WRITE }, - { TVP7002_HPLL_FDBK_DIV_LSBS, 0x0a, TVP7002_WRITE }, + { TVP7002_HPLL_FDBK_DIV_LSBS, 0xa0, TVP7002_WRITE }, { TVP7002_HPLL_CRTL, 0x02, TVP7002_WRITE }, { TVP7002_HPLL_PHASE_SEL, 0x14, TVP7002_WRITE }, { TVP7002_AVID_START_PIXEL_LSBS, 0x91, TVP7002_WRITE }, @@ -223,7 +223,7 @@ static const struct i2c_reg_value tvp7002_parms_576P[] = { /* Register parameters for 1080I60 */ static const struct i2c_reg_value tvp7002_parms_1080I60[] = { { TVP7002_HPLL_FDBK_DIV_MSBS, 0x89, TVP7002_WRITE }, - { TVP7002_HPLL_FDBK_DIV_LSBS, 0x08, TVP7002_WRITE }, + { TVP7002_HPLL_FDBK_DIV_LSBS, 0x80, TVP7002_WRITE }, { TVP7002_HPLL_CRTL, 0x98, TVP7002_WRITE }, { TVP7002_HPLL_PHASE_SEL, 0x14, TVP7002_WRITE }, { TVP7002_AVID_START_PIXEL_LSBS, 0x06, TVP7002_WRITE }, @@ -245,7 +245,7 @@ static const struct i2c_reg_value tvp7002_parms_1080I60[] = { /* Register parameters for 1080P60 */ static const struct i2c_reg_value tvp7002_parms_1080P60[] = { { TVP7002_HPLL_FDBK_DIV_MSBS, 0x89, TVP7002_WRITE }, - { TVP7002_HPLL_FDBK_DIV_LSBS, 0x08, TVP7002_WRITE }, + { TVP7002_HPLL_FDBK_DIV_LSBS, 0x80, TVP7002_WRITE }, { TVP7002_HPLL_CRTL, 0xE0, TVP7002_WRITE }, { TVP7002_HPLL_PHASE_SEL, 0x14, TVP7002_WRITE }, { TVP7002_AVID_START_PIXEL_LSBS, 0x06, TVP7002_WRITE }, @@ -289,7 +289,7 @@ static const struct i2c_reg_value tvp7002_parms_1080I50[] = { /* Register parameters for 720P60 */ static const struct i2c_reg_value tvp7002_parms_720P60[] = { { TVP7002_HPLL_FDBK_DIV_MSBS, 0x67, TVP7002_WRITE }, - { TVP7002_HPLL_FDBK_DIV_LSBS, 0x02, TVP7002_WRITE }, + { TVP7002_HPLL_FDBK_DIV_LSBS, 0x20, TVP7002_WRITE }, { TVP7002_HPLL_CRTL, 0xa0, TVP7002_WRITE }, { TVP7002_HPLL_PHASE_SEL, 0x16, TVP7002_WRITE }, { TVP7002_AVID_START_PIXEL_LSBS, 0x47, TVP7002_WRITE }, @@ -311,7 +311,7 @@ static const struct i2c_reg_value tvp7002_parms_720P60[] = { /* Register parameters for 720P50 */ static const struct i2c_reg_value tvp7002_parms_720P50[] = { { TVP7002_HPLL_FDBK_DIV_MSBS, 0x7b, TVP7002_WRITE }, - { TVP7002_HPLL_FDBK_DIV_LSBS, 0x0c, TVP7002_WRITE }, + { TVP7002_HPLL_FDBK_DIV_LSBS, 0xc0, TVP7002_WRITE }, { TVP7002_HPLL_CRTL, 0x98, TVP7002_WRITE }, { TVP7002_HPLL_PHASE_SEL, 0x16, TVP7002_WRITE }, { TVP7002_AVID_START_PIXEL_LSBS, 0x47, TVP7002_WRITE }, diff --git a/drivers/media/video/usbvideo/usbvideo.c b/drivers/media/video/usbvideo/usbvideo.c index 5ac37c6..f1fcf97 100644 --- a/drivers/media/video/usbvideo/usbvideo.c +++ b/drivers/media/video/usbvideo/usbvideo.c @@ -282,19 +282,15 @@ static void usbvideo_OverlayChar(struct uvd *uvd, struct usbvideo_frame *frame, }; unsigned short digit; int ix, iy; + int value; if ((uvd == NULL) || (frame == NULL)) return; - if (ch >= '0' && ch <= '9') - ch -= '0'; - else if (ch >= 'A' && ch <= 'F') - ch = 10 + (ch - 'A'); - else if (ch >= 'a' && ch <= 'f') - ch = 10 + (ch - 'a'); - else + value = hex_to_bin(ch); + if (value < 0) return; - digit = digits[ch]; + digit = digits[value]; for (iy=0; iy < 5; iy++) { for (ix=0; ix < 3; ix++) { diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c index 7eaf99b..8bdd940 100644 --- a/drivers/media/video/uvc/uvc_driver.c +++ b/drivers/media/video/uvc/uvc_driver.c @@ -2145,6 +2145,15 @@ static struct usb_device_id uvc_ids[] = { .bInterfaceSubClass = 1, .bInterfaceProtocol = 0, .driver_info = UVC_QUIRK_STREAM_NO_FID }, + /* Miricle 307K */ + { .match_flags = USB_DEVICE_ID_MATCH_DEVICE + | USB_DEVICE_ID_MATCH_INT_INFO, + .idVendor = 0x17dc, + .idProduct = 0x0202, + .bInterfaceClass = USB_CLASS_VIDEO, + .bInterfaceSubClass = 1, + .bInterfaceProtocol = 0, + .driver_info = UVC_QUIRK_STREAM_NO_FID }, /* Lenovo Thinkpad SL400/SL500 */ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO, diff --git a/drivers/media/video/uvc/uvc_queue.c b/drivers/media/video/uvc/uvc_queue.c index 133c78d..e9928a4 100644 --- a/drivers/media/video/uvc/uvc_queue.c +++ b/drivers/media/video/uvc/uvc_queue.c @@ -78,12 +78,14 @@ * */ -void uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type) +void uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type, + int drop_corrupted) { mutex_init(&queue->mutex); spin_lock_init(&queue->irqlock); INIT_LIST_HEAD(&queue->mainqueue); INIT_LIST_HEAD(&queue->irqqueue); + queue->flags = drop_corrupted ? UVC_QUEUE_DROP_CORRUPTED : 0; queue->type = type; } @@ -435,8 +437,10 @@ int uvc_queue_enable(struct uvc_video_queue *queue, int enable) uvc_queue_cancel(queue, 0); INIT_LIST_HEAD(&queue->mainqueue); - for (i = 0; i < queue->count; ++i) + for (i = 0; i < queue->count; ++i) { + queue->buffer[i].error = 0; queue->buffer[i].state = UVC_BUF_STATE_IDLE; + } queue->flags &= ~UVC_QUEUE_STREAMING; } @@ -488,8 +492,8 @@ struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue, struct uvc_buffer *nextbuf; unsigned long flags; - if ((queue->flags & UVC_QUEUE_DROP_INCOMPLETE) && - buf->buf.length != buf->buf.bytesused) { + if ((queue->flags & UVC_QUEUE_DROP_CORRUPTED) && buf->error) { + buf->error = 0; buf->state = UVC_BUF_STATE_QUEUED; buf->buf.bytesused = 0; return buf; @@ -497,6 +501,7 @@ struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue, spin_lock_irqsave(&queue->irqlock, flags); list_del(&buf->queue); + buf->error = 0; buf->state = UVC_BUF_STATE_DONE; if (!list_empty(&queue->irqqueue)) nextbuf = list_first_entry(&queue->irqqueue, struct uvc_buffer, diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c index 53f3ef4..e27cf0d 100644 --- a/drivers/media/video/uvc/uvc_video.c +++ b/drivers/media/video/uvc/uvc_video.c @@ -555,6 +555,9 @@ static void uvc_video_decode_isoc(struct urb *urb, struct uvc_streaming *stream, if (urb->iso_frame_desc[i].status < 0) { uvc_trace(UVC_TRACE_FRAME, "USB isochronous frame " "lost (%d).\n", urb->iso_frame_desc[i].status); + /* Mark the buffer as faulty. */ + if (buf != NULL) + buf->error = 1; continue; } @@ -579,8 +582,14 @@ static void uvc_video_decode_isoc(struct urb *urb, struct uvc_streaming *stream, uvc_video_decode_end(stream, buf, mem, urb->iso_frame_desc[i].actual_length); - if (buf->state == UVC_BUF_STATE_READY) + if (buf->state == UVC_BUF_STATE_READY) { + if (buf->buf.length != buf->buf.bytesused && + !(stream->cur_format->flags & + UVC_FMT_FLAG_COMPRESSED)) + buf->error = 1; + buf = uvc_queue_next_buffer(&stream->queue, buf); + } } } @@ -1104,7 +1113,7 @@ int uvc_video_init(struct uvc_streaming *stream) atomic_set(&stream->active, 0); /* Initialize the video buffers queue. */ - uvc_queue_init(&stream->queue, stream->type); + uvc_queue_init(&stream->queue, stream->type, !uvc_no_drop_param); /* Alternate setting 0 should be the default, yet the XBox Live Vision * Cam (and possibly other devices) crash or otherwise misbehave if @@ -1197,12 +1206,6 @@ int uvc_video_enable(struct uvc_streaming *stream, int enable) return 0; } - if ((stream->cur_format->flags & UVC_FMT_FLAG_COMPRESSED) || - uvc_no_drop_param) - stream->queue.flags &= ~UVC_QUEUE_DROP_INCOMPLETE; - else - stream->queue.flags |= UVC_QUEUE_DROP_INCOMPLETE; - ret = uvc_queue_enable(&stream->queue, 1); if (ret < 0) return ret; diff --git a/drivers/media/video/uvc/uvcvideo.h b/drivers/media/video/uvc/uvcvideo.h index ac27245..bdacf3b 100644 --- a/drivers/media/video/uvc/uvcvideo.h +++ b/drivers/media/video/uvc/uvcvideo.h @@ -379,11 +379,12 @@ struct uvc_buffer { struct list_head queue; wait_queue_head_t wait; enum uvc_buffer_state state; + unsigned int error; }; #define UVC_QUEUE_STREAMING (1 << 0) #define UVC_QUEUE_DISCONNECTED (1 << 1) -#define UVC_QUEUE_DROP_INCOMPLETE (1 << 2) +#define UVC_QUEUE_DROP_CORRUPTED (1 << 2) struct uvc_video_queue { enum v4l2_buf_type type; @@ -562,7 +563,7 @@ extern struct uvc_driver uvc_driver; /* Video buffers queue management. */ extern void uvc_queue_init(struct uvc_video_queue *queue, - enum v4l2_buf_type type); + enum v4l2_buf_type type, int drop_corrupted); extern int uvc_alloc_buffers(struct uvc_video_queue *queue, unsigned int nbuffers, unsigned int buflength); extern int uvc_free_buffers(struct uvc_video_queue *queue); diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index 4e53b0b..3ce7c64 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -62,6 +62,7 @@ #define __OLD_VIDIOC_ /* To allow fixing old calls*/ #include <media/v4l2-common.h> #include <media/v4l2-device.h> +#include <media/v4l2-ctrls.h> #include <media/v4l2-chip-ident.h> #include <linux/videodev2.h> @@ -172,487 +173,17 @@ int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl *qctrl, } EXPORT_SYMBOL(v4l2_ctrl_check); -/* Returns NULL or a character pointer array containing the menu for - the given control ID. The pointer array ends with a NULL pointer. - An empty string signifies a menu entry that is invalid. This allows - drivers to disable certain options if it is not supported. */ -const char **v4l2_ctrl_get_menu(u32 id) -{ - static const char *mpeg_audio_sampling_freq[] = { - "44.1 kHz", - "48 kHz", - "32 kHz", - NULL - }; - static const char *mpeg_audio_encoding[] = { - "MPEG-1/2 Layer I", - "MPEG-1/2 Layer II", - "MPEG-1/2 Layer III", - "MPEG-2/4 AAC", - "AC-3", - NULL - }; - static const char *mpeg_audio_l1_bitrate[] = { - "32 kbps", - "64 kbps", - "96 kbps", - "128 kbps", - "160 kbps", - "192 kbps", - "224 kbps", - "256 kbps", - "288 kbps", - "320 kbps", - "352 kbps", - "384 kbps", - "416 kbps", - "448 kbps", - NULL - }; - static const char *mpeg_audio_l2_bitrate[] = { - "32 kbps", - "48 kbps", - "56 kbps", - "64 kbps", - "80 kbps", - "96 kbps", - "112 kbps", - "128 kbps", - "160 kbps", - "192 kbps", - "224 kbps", - "256 kbps", - "320 kbps", - "384 kbps", - NULL - }; - static const char *mpeg_audio_l3_bitrate[] = { - "32 kbps", - "40 kbps", - "48 kbps", - "56 kbps", - "64 kbps", - "80 kbps", - "96 kbps", - "112 kbps", - "128 kbps", - "160 kbps", - "192 kbps", - "224 kbps", - "256 kbps", - "320 kbps", - NULL - }; - static const char *mpeg_audio_ac3_bitrate[] = { - "32 kbps", - "40 kbps", - "48 kbps", - "56 kbps", - "64 kbps", - "80 kbps", - "96 kbps", - "112 kbps", - "128 kbps", - "160 kbps", - "192 kbps", - "224 kbps", - "256 kbps", - "320 kbps", - "384 kbps", - "448 kbps", - "512 kbps", - "576 kbps", - "640 kbps", - NULL - }; - static const char *mpeg_audio_mode[] = { - "Stereo", - "Joint Stereo", - "Dual", - "Mono", - NULL - }; - static const char *mpeg_audio_mode_extension[] = { - "Bound 4", - "Bound 8", - "Bound 12", - "Bound 16", - NULL - }; - static const char *mpeg_audio_emphasis[] = { - "No Emphasis", - "50/15 us", - "CCITT J17", - NULL - }; - static const char *mpeg_audio_crc[] = { - "No CRC", - "16-bit CRC", - NULL - }; - static const char *mpeg_video_encoding[] = { - "MPEG-1", - "MPEG-2", - "MPEG-4 AVC", - NULL - }; - static const char *mpeg_video_aspect[] = { - "1x1", - "4x3", - "16x9", - "2.21x1", - NULL - }; - static const char *mpeg_video_bitrate_mode[] = { - "Variable Bitrate", - "Constant Bitrate", - NULL - }; - static const char *mpeg_stream_type[] = { - "MPEG-2 Program Stream", - "MPEG-2 Transport Stream", - "MPEG-1 System Stream", - "MPEG-2 DVD-compatible Stream", - "MPEG-1 VCD-compatible Stream", - "MPEG-2 SVCD-compatible Stream", - NULL - }; - static const char *mpeg_stream_vbi_fmt[] = { - "No VBI", - "Private packet, IVTV format", - NULL - }; - static const char *camera_power_line_frequency[] = { - "Disabled", - "50 Hz", - "60 Hz", - NULL - }; - static const char *camera_exposure_auto[] = { - "Auto Mode", - "Manual Mode", - "Shutter Priority Mode", - "Aperture Priority Mode", - NULL - }; - static const char *colorfx[] = { - "None", - "Black & White", - "Sepia", - "Negative", - "Emboss", - "Sketch", - "Sky blue", - "Grass green", - "Skin whiten", - "Vivid", - NULL - }; - static const char *tune_preemphasis[] = { - "No preemphasis", - "50 useconds", - "75 useconds", - NULL, - }; - - switch (id) { - case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: - return mpeg_audio_sampling_freq; - case V4L2_CID_MPEG_AUDIO_ENCODING: - return mpeg_audio_encoding; - case V4L2_CID_MPEG_AUDIO_L1_BITRATE: - return mpeg_audio_l1_bitrate; - case V4L2_CID_MPEG_AUDIO_L2_BITRATE: - return mpeg_audio_l2_bitrate; - case V4L2_CID_MPEG_AUDIO_L3_BITRATE: - return mpeg_audio_l3_bitrate; - case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: - return mpeg_audio_ac3_bitrate; - case V4L2_CID_MPEG_AUDIO_MODE: - return mpeg_audio_mode; - case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: - return mpeg_audio_mode_extension; - case V4L2_CID_MPEG_AUDIO_EMPHASIS: - return mpeg_audio_emphasis; - case V4L2_CID_MPEG_AUDIO_CRC: - return mpeg_audio_crc; - case V4L2_CID_MPEG_VIDEO_ENCODING: - return mpeg_video_encoding; - case V4L2_CID_MPEG_VIDEO_ASPECT: - return mpeg_video_aspect; - case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: - return mpeg_video_bitrate_mode; - case V4L2_CID_MPEG_STREAM_TYPE: - return mpeg_stream_type; - case V4L2_CID_MPEG_STREAM_VBI_FMT: - return mpeg_stream_vbi_fmt; - case V4L2_CID_POWER_LINE_FREQUENCY: - return camera_power_line_frequency; - case V4L2_CID_EXPOSURE_AUTO: - return camera_exposure_auto; - case V4L2_CID_COLORFX: - return colorfx; - case V4L2_CID_TUNE_PREEMPHASIS: - return tune_preemphasis; - default: - return NULL; - } -} -EXPORT_SYMBOL(v4l2_ctrl_get_menu); - -/* Return the control name. */ -const char *v4l2_ctrl_get_name(u32 id) -{ - switch (id) { - /* USER controls */ - case V4L2_CID_USER_CLASS: return "User Controls"; - case V4L2_CID_BRIGHTNESS: return "Brightness"; - case V4L2_CID_CONTRAST: return "Contrast"; - case V4L2_CID_SATURATION: return "Saturation"; - case V4L2_CID_HUE: return "Hue"; - case V4L2_CID_AUDIO_VOLUME: return "Volume"; - case V4L2_CID_AUDIO_BALANCE: return "Balance"; - case V4L2_CID_AUDIO_BASS: return "Bass"; - case V4L2_CID_AUDIO_TREBLE: return "Treble"; - case V4L2_CID_AUDIO_MUTE: return "Mute"; - case V4L2_CID_AUDIO_LOUDNESS: return "Loudness"; - case V4L2_CID_BLACK_LEVEL: return "Black Level"; - case V4L2_CID_AUTO_WHITE_BALANCE: return "White Balance, Automatic"; - case V4L2_CID_DO_WHITE_BALANCE: return "Do White Balance"; - case V4L2_CID_RED_BALANCE: return "Red Balance"; - case V4L2_CID_BLUE_BALANCE: return "Blue Balance"; - case V4L2_CID_GAMMA: return "Gamma"; - case V4L2_CID_EXPOSURE: return "Exposure"; - case V4L2_CID_AUTOGAIN: return "Gain, Automatic"; - case V4L2_CID_GAIN: return "Gain"; - case V4L2_CID_HFLIP: return "Horizontal Flip"; - case V4L2_CID_VFLIP: return "Vertical Flip"; - case V4L2_CID_HCENTER: return "Horizontal Center"; - case V4L2_CID_VCENTER: return "Vertical Center"; - case V4L2_CID_POWER_LINE_FREQUENCY: return "Power Line Frequency"; - case V4L2_CID_HUE_AUTO: return "Hue, Automatic"; - case V4L2_CID_WHITE_BALANCE_TEMPERATURE: return "White Balance Temperature"; - case V4L2_CID_SHARPNESS: return "Sharpness"; - case V4L2_CID_BACKLIGHT_COMPENSATION: return "Backlight Compensation"; - case V4L2_CID_CHROMA_AGC: return "Chroma AGC"; - case V4L2_CID_CHROMA_GAIN: return "Chroma Gain"; - case V4L2_CID_COLOR_KILLER: return "Color Killer"; - case V4L2_CID_COLORFX: return "Color Effects"; - case V4L2_CID_AUTOBRIGHTNESS: return "Brightness, Automatic"; - case V4L2_CID_BAND_STOP_FILTER: return "Band-Stop Filter"; - case V4L2_CID_ROTATE: return "Rotate"; - case V4L2_CID_BG_COLOR: return "Background Color"; - - /* MPEG controls */ - case V4L2_CID_MPEG_CLASS: return "MPEG Encoder Controls"; - case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: return "Audio Sampling Frequency"; - case V4L2_CID_MPEG_AUDIO_ENCODING: return "Audio Encoding"; - case V4L2_CID_MPEG_AUDIO_L1_BITRATE: return "Audio Layer I Bitrate"; - case V4L2_CID_MPEG_AUDIO_L2_BITRATE: return "Audio Layer II Bitrate"; - case V4L2_CID_MPEG_AUDIO_L3_BITRATE: return "Audio Layer III Bitrate"; - case V4L2_CID_MPEG_AUDIO_AAC_BITRATE: return "Audio AAC Bitrate"; - case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: return "Audio AC-3 Bitrate"; - case V4L2_CID_MPEG_AUDIO_MODE: return "Audio Stereo Mode"; - case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: return "Audio Stereo Mode Extension"; - case V4L2_CID_MPEG_AUDIO_EMPHASIS: return "Audio Emphasis"; - case V4L2_CID_MPEG_AUDIO_CRC: return "Audio CRC"; - case V4L2_CID_MPEG_AUDIO_MUTE: return "Audio Mute"; - case V4L2_CID_MPEG_VIDEO_ENCODING: return "Video Encoding"; - case V4L2_CID_MPEG_VIDEO_ASPECT: return "Video Aspect"; - case V4L2_CID_MPEG_VIDEO_B_FRAMES: return "Video B Frames"; - case V4L2_CID_MPEG_VIDEO_GOP_SIZE: return "Video GOP Size"; - case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: return "Video GOP Closure"; - case V4L2_CID_MPEG_VIDEO_PULLDOWN: return "Video Pulldown"; - case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: return "Video Bitrate Mode"; - case V4L2_CID_MPEG_VIDEO_BITRATE: return "Video Bitrate"; - case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: return "Video Peak Bitrate"; - case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION: return "Video Temporal Decimation"; - case V4L2_CID_MPEG_VIDEO_MUTE: return "Video Mute"; - case V4L2_CID_MPEG_VIDEO_MUTE_YUV: return "Video Mute YUV"; - case V4L2_CID_MPEG_STREAM_TYPE: return "Stream Type"; - case V4L2_CID_MPEG_STREAM_PID_PMT: return "Stream PMT Program ID"; - case V4L2_CID_MPEG_STREAM_PID_AUDIO: return "Stream Audio Program ID"; - case V4L2_CID_MPEG_STREAM_PID_VIDEO: return "Stream Video Program ID"; - case V4L2_CID_MPEG_STREAM_PID_PCR: return "Stream PCR Program ID"; - case V4L2_CID_MPEG_STREAM_PES_ID_AUDIO: return "Stream PES Audio ID"; - case V4L2_CID_MPEG_STREAM_PES_ID_VIDEO: return "Stream PES Video ID"; - case V4L2_CID_MPEG_STREAM_VBI_FMT: return "Stream VBI Format"; - - /* CAMERA controls */ - case V4L2_CID_CAMERA_CLASS: return "Camera Controls"; - case V4L2_CID_EXPOSURE_AUTO: return "Auto Exposure"; - case V4L2_CID_EXPOSURE_ABSOLUTE: return "Exposure Time, Absolute"; - case V4L2_CID_EXPOSURE_AUTO_PRIORITY: return "Exposure, Dynamic Framerate"; - case V4L2_CID_PAN_RELATIVE: return "Pan, Relative"; - case V4L2_CID_TILT_RELATIVE: return "Tilt, Relative"; - case V4L2_CID_PAN_RESET: return "Pan, Reset"; - case V4L2_CID_TILT_RESET: return "Tilt, Reset"; - case V4L2_CID_PAN_ABSOLUTE: return "Pan, Absolute"; - case V4L2_CID_TILT_ABSOLUTE: return "Tilt, Absolute"; - case V4L2_CID_FOCUS_ABSOLUTE: return "Focus, Absolute"; - case V4L2_CID_FOCUS_RELATIVE: return "Focus, Relative"; - case V4L2_CID_FOCUS_AUTO: return "Focus, Automatic"; - case V4L2_CID_IRIS_ABSOLUTE: return "Iris, Absolute"; - case V4L2_CID_IRIS_RELATIVE: return "Iris, Relative"; - case V4L2_CID_ZOOM_ABSOLUTE: return "Zoom, Absolute"; - case V4L2_CID_ZOOM_RELATIVE: return "Zoom, Relative"; - case V4L2_CID_ZOOM_CONTINUOUS: return "Zoom, Continuous"; - case V4L2_CID_PRIVACY: return "Privacy"; - - /* FM Radio Modulator control */ - case V4L2_CID_FM_TX_CLASS: return "FM Radio Modulator Controls"; - case V4L2_CID_RDS_TX_DEVIATION: return "RDS Signal Deviation"; - case V4L2_CID_RDS_TX_PI: return "RDS Program ID"; - case V4L2_CID_RDS_TX_PTY: return "RDS Program Type"; - case V4L2_CID_RDS_TX_PS_NAME: return "RDS PS Name"; - case V4L2_CID_RDS_TX_RADIO_TEXT: return "RDS Radio Text"; - case V4L2_CID_AUDIO_LIMITER_ENABLED: return "Audio Limiter Feature Enabled"; - case V4L2_CID_AUDIO_LIMITER_RELEASE_TIME: return "Audio Limiter Release Time"; - case V4L2_CID_AUDIO_LIMITER_DEVIATION: return "Audio Limiter Deviation"; - case V4L2_CID_AUDIO_COMPRESSION_ENABLED: return "Audio Compression Feature Enabled"; - case V4L2_CID_AUDIO_COMPRESSION_GAIN: return "Audio Compression Gain"; - case V4L2_CID_AUDIO_COMPRESSION_THRESHOLD: return "Audio Compression Threshold"; - case V4L2_CID_AUDIO_COMPRESSION_ATTACK_TIME: return "Audio Compression Attack Time"; - case V4L2_CID_AUDIO_COMPRESSION_RELEASE_TIME: return "Audio Compression Release Time"; - case V4L2_CID_PILOT_TONE_ENABLED: return "Pilot Tone Feature Enabled"; - case V4L2_CID_PILOT_TONE_DEVIATION: return "Pilot Tone Deviation"; - case V4L2_CID_PILOT_TONE_FREQUENCY: return "Pilot Tone Frequency"; - case V4L2_CID_TUNE_PREEMPHASIS: return "Pre-emphasis settings"; - case V4L2_CID_TUNE_POWER_LEVEL: return "Tune Power Level"; - case V4L2_CID_TUNE_ANTENNA_CAPACITOR: return "Tune Antenna Capacitor"; - - default: - return NULL; - } -} -EXPORT_SYMBOL(v4l2_ctrl_get_name); - /* Fill in a struct v4l2_queryctrl */ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 step, s32 def) { - const char *name = v4l2_ctrl_get_name(qctrl->id); + const char *name; + + v4l2_ctrl_fill(qctrl->id, &name, &qctrl->type, + &min, &max, &step, &def, &qctrl->flags); - qctrl->flags = 0; if (name == NULL) return -EINVAL; - switch (qctrl->id) { - case V4L2_CID_AUDIO_MUTE: - case V4L2_CID_AUDIO_LOUDNESS: - case V4L2_CID_AUTO_WHITE_BALANCE: - case V4L2_CID_AUTOGAIN: - case V4L2_CID_HFLIP: - case V4L2_CID_VFLIP: - case V4L2_CID_HUE_AUTO: - case V4L2_CID_CHROMA_AGC: - case V4L2_CID_COLOR_KILLER: - case V4L2_CID_MPEG_AUDIO_MUTE: - case V4L2_CID_MPEG_VIDEO_MUTE: - case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: - case V4L2_CID_MPEG_VIDEO_PULLDOWN: - case V4L2_CID_EXPOSURE_AUTO_PRIORITY: - case V4L2_CID_FOCUS_AUTO: - case V4L2_CID_PRIVACY: - case V4L2_CID_AUDIO_LIMITER_ENABLED: - case V4L2_CID_AUDIO_COMPRESSION_ENABLED: - case V4L2_CID_PILOT_TONE_ENABLED: - qctrl->type = V4L2_CTRL_TYPE_BOOLEAN; - min = 0; - max = step = 1; - break; - case V4L2_CID_PAN_RESET: - case V4L2_CID_TILT_RESET: - qctrl->type = V4L2_CTRL_TYPE_BUTTON; - qctrl->flags |= V4L2_CTRL_FLAG_WRITE_ONLY; - min = max = step = def = 0; - break; - case V4L2_CID_POWER_LINE_FREQUENCY: - case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: - case V4L2_CID_MPEG_AUDIO_ENCODING: - case V4L2_CID_MPEG_AUDIO_L1_BITRATE: - case V4L2_CID_MPEG_AUDIO_L2_BITRATE: - case V4L2_CID_MPEG_AUDIO_L3_BITRATE: - case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: - case V4L2_CID_MPEG_AUDIO_MODE: - case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: - case V4L2_CID_MPEG_AUDIO_EMPHASIS: - case V4L2_CID_MPEG_AUDIO_CRC: - case V4L2_CID_MPEG_VIDEO_ENCODING: - case V4L2_CID_MPEG_VIDEO_ASPECT: - case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: - case V4L2_CID_MPEG_STREAM_TYPE: - case V4L2_CID_MPEG_STREAM_VBI_FMT: - case V4L2_CID_EXPOSURE_AUTO: - case V4L2_CID_COLORFX: - case V4L2_CID_TUNE_PREEMPHASIS: - qctrl->type = V4L2_CTRL_TYPE_MENU; - step = 1; - break; - case V4L2_CID_RDS_TX_PS_NAME: - case V4L2_CID_RDS_TX_RADIO_TEXT: - qctrl->type = V4L2_CTRL_TYPE_STRING; - break; - case V4L2_CID_USER_CLASS: - case V4L2_CID_CAMERA_CLASS: - case V4L2_CID_MPEG_CLASS: - case V4L2_CID_FM_TX_CLASS: - qctrl->type = V4L2_CTRL_TYPE_CTRL_CLASS; - qctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; - min = max = step = def = 0; - break; - case V4L2_CID_BG_COLOR: - qctrl->type = V4L2_CTRL_TYPE_INTEGER; - step = 1; - min = 0; - /* Max is calculated as RGB888 that is 2^24 */ - max = 0xFFFFFF; - break; - default: - qctrl->type = V4L2_CTRL_TYPE_INTEGER; - break; - } - switch (qctrl->id) { - case V4L2_CID_MPEG_AUDIO_ENCODING: - case V4L2_CID_MPEG_AUDIO_MODE: - case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: - case V4L2_CID_MPEG_VIDEO_B_FRAMES: - case V4L2_CID_MPEG_STREAM_TYPE: - qctrl->flags |= V4L2_CTRL_FLAG_UPDATE; - break; - case V4L2_CID_AUDIO_VOLUME: - case V4L2_CID_AUDIO_BALANCE: - case V4L2_CID_AUDIO_BASS: - case V4L2_CID_AUDIO_TREBLE: - case V4L2_CID_BRIGHTNESS: - case V4L2_CID_CONTRAST: - case V4L2_CID_SATURATION: - case V4L2_CID_HUE: - case V4L2_CID_RED_BALANCE: - case V4L2_CID_BLUE_BALANCE: - case V4L2_CID_GAMMA: - case V4L2_CID_SHARPNESS: - case V4L2_CID_CHROMA_GAIN: - case V4L2_CID_RDS_TX_DEVIATION: - case V4L2_CID_AUDIO_LIMITER_RELEASE_TIME: - case V4L2_CID_AUDIO_LIMITER_DEVIATION: - case V4L2_CID_AUDIO_COMPRESSION_GAIN: - case V4L2_CID_AUDIO_COMPRESSION_THRESHOLD: - case V4L2_CID_AUDIO_COMPRESSION_ATTACK_TIME: - case V4L2_CID_AUDIO_COMPRESSION_RELEASE_TIME: - case V4L2_CID_PILOT_TONE_DEVIATION: - case V4L2_CID_PILOT_TONE_FREQUENCY: - case V4L2_CID_TUNE_POWER_LEVEL: - case V4L2_CID_TUNE_ANTENNA_CAPACITOR: - qctrl->flags |= V4L2_CTRL_FLAG_SLIDER; - break; - case V4L2_CID_PAN_RELATIVE: - case V4L2_CID_TILT_RELATIVE: - case V4L2_CID_FOCUS_RELATIVE: - case V4L2_CID_IRIS_RELATIVE: - case V4L2_CID_ZOOM_RELATIVE: - qctrl->flags |= V4L2_CTRL_FLAG_WRITE_ONLY; - break; - } qctrl->minimum = min; qctrl->maximum = max; qctrl->step = step; diff --git a/drivers/media/video/v4l2-ctrls.c b/drivers/media/video/v4l2-ctrls.c new file mode 100644 index 0000000..84c1a53 --- /dev/null +++ b/drivers/media/video/v4l2-ctrls.c @@ -0,0 +1,1851 @@ +/* + V4L2 controls framework implementation. + + Copyright (C) 2010 Hans Verkuil <hverkuil@xs4all.nl> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/ctype.h> +#include <media/v4l2-ioctl.h> +#include <media/v4l2-device.h> +#include <media/v4l2-ctrls.h> +#include <media/v4l2-dev.h> + +/* Internal temporary helper struct, one for each v4l2_ext_control */ +struct ctrl_helper { + /* The control corresponding to the v4l2_ext_control ID field. */ + struct v4l2_ctrl *ctrl; + /* Used internally to mark whether this control was already + processed. */ + bool handled; +}; + +/* Returns NULL or a character pointer array containing the menu for + the given control ID. The pointer array ends with a NULL pointer. + An empty string signifies a menu entry that is invalid. This allows + drivers to disable certain options if it is not supported. */ +const char **v4l2_ctrl_get_menu(u32 id) +{ + static const char *mpeg_audio_sampling_freq[] = { + "44.1 kHz", + "48 kHz", + "32 kHz", + NULL + }; + static const char *mpeg_audio_encoding[] = { + "MPEG-1/2 Layer I", + "MPEG-1/2 Layer II", + "MPEG-1/2 Layer III", + "MPEG-2/4 AAC", + "AC-3", + NULL + }; + static const char *mpeg_audio_l1_bitrate[] = { + "32 kbps", + "64 kbps", + "96 kbps", + "128 kbps", + "160 kbps", + "192 kbps", + "224 kbps", + "256 kbps", + "288 kbps", + "320 kbps", + "352 kbps", + "384 kbps", + "416 kbps", + "448 kbps", + NULL + }; + static const char *mpeg_audio_l2_bitrate[] = { + "32 kbps", + "48 kbps", + "56 kbps", + "64 kbps", + "80 kbps", + "96 kbps", + "112 kbps", + "128 kbps", + "160 kbps", + "192 kbps", + "224 kbps", + "256 kbps", + "320 kbps", + "384 kbps", + NULL + }; + static const char *mpeg_audio_l3_bitrate[] = { + "32 kbps", + "40 kbps", + "48 kbps", + "56 kbps", + "64 kbps", + "80 kbps", + "96 kbps", + "112 kbps", + "128 kbps", + "160 kbps", + "192 kbps", + "224 kbps", + "256 kbps", + "320 kbps", + NULL + }; + static const char *mpeg_audio_ac3_bitrate[] = { + "32 kbps", + "40 kbps", + "48 kbps", + "56 kbps", + "64 kbps", + "80 kbps", + "96 kbps", + "112 kbps", + "128 kbps", + "160 kbps", + "192 kbps", + "224 kbps", + "256 kbps", + "320 kbps", + "384 kbps", + "448 kbps", + "512 kbps", + "576 kbps", + "640 kbps", + NULL + }; + static const char *mpeg_audio_mode[] = { + "Stereo", + "Joint Stereo", + "Dual", + "Mono", + NULL + }; + static const char *mpeg_audio_mode_extension[] = { + "Bound 4", + "Bound 8", + "Bound 12", + "Bound 16", + NULL + }; + static const char *mpeg_audio_emphasis[] = { + "No Emphasis", + "50/15 us", + "CCITT J17", + NULL + }; + static const char *mpeg_audio_crc[] = { + "No CRC", + "16-bit CRC", + NULL + }; + static const char *mpeg_video_encoding[] = { + "MPEG-1", + "MPEG-2", + "MPEG-4 AVC", + NULL + }; + static const char *mpeg_video_aspect[] = { + "1x1", + "4x3", + "16x9", + "2.21x1", + NULL + }; + static const char *mpeg_video_bitrate_mode[] = { + "Variable Bitrate", + "Constant Bitrate", + NULL + }; + static const char *mpeg_stream_type[] = { + "MPEG-2 Program Stream", + "MPEG-2 Transport Stream", + "MPEG-1 System Stream", + "MPEG-2 DVD-compatible Stream", + "MPEG-1 VCD-compatible Stream", + "MPEG-2 SVCD-compatible Stream", + NULL + }; + static const char *mpeg_stream_vbi_fmt[] = { + "No VBI", + "Private packet, IVTV format", + NULL + }; + static const char *camera_power_line_frequency[] = { + "Disabled", + "50 Hz", + "60 Hz", + NULL + }; + static const char *camera_exposure_auto[] = { + "Auto Mode", + "Manual Mode", + "Shutter Priority Mode", + "Aperture Priority Mode", + NULL + }; + static const char *colorfx[] = { + "None", + "Black & White", + "Sepia", + "Negative", + "Emboss", + "Sketch", + "Sky blue", + "Grass green", + "Skin whiten", + "Vivid", + NULL + }; + static const char *tune_preemphasis[] = { + "No preemphasis", + "50 useconds", + "75 useconds", + NULL, + }; + + switch (id) { + case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: + return mpeg_audio_sampling_freq; + case V4L2_CID_MPEG_AUDIO_ENCODING: + return mpeg_audio_encoding; + case V4L2_CID_MPEG_AUDIO_L1_BITRATE: + return mpeg_audio_l1_bitrate; + case V4L2_CID_MPEG_AUDIO_L2_BITRATE: + return mpeg_audio_l2_bitrate; + case V4L2_CID_MPEG_AUDIO_L3_BITRATE: + return mpeg_audio_l3_bitrate; + case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: + return mpeg_audio_ac3_bitrate; + case V4L2_CID_MPEG_AUDIO_MODE: + return mpeg_audio_mode; + case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: + return mpeg_audio_mode_extension; + case V4L2_CID_MPEG_AUDIO_EMPHASIS: + return mpeg_audio_emphasis; + case V4L2_CID_MPEG_AUDIO_CRC: + return mpeg_audio_crc; + case V4L2_CID_MPEG_VIDEO_ENCODING: + return mpeg_video_encoding; + case V4L2_CID_MPEG_VIDEO_ASPECT: + return mpeg_video_aspect; + case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: + return mpeg_video_bitrate_mode; + case V4L2_CID_MPEG_STREAM_TYPE: + return mpeg_stream_type; + case V4L2_CID_MPEG_STREAM_VBI_FMT: + return mpeg_stream_vbi_fmt; + case V4L2_CID_POWER_LINE_FREQUENCY: + return camera_power_line_frequency; + case V4L2_CID_EXPOSURE_AUTO: + return camera_exposure_auto; + case V4L2_CID_COLORFX: + return colorfx; + case V4L2_CID_TUNE_PREEMPHASIS: + return tune_preemphasis; + default: + return NULL; + } +} +EXPORT_SYMBOL(v4l2_ctrl_get_menu); + +/* Return the control name. */ +const char *v4l2_ctrl_get_name(u32 id) +{ + switch (id) { + /* USER controls */ + /* Keep the order of the 'case's the same as in videodev2.h! */ + case V4L2_CID_USER_CLASS: return "User Controls"; + case V4L2_CID_BRIGHTNESS: return "Brightness"; + case V4L2_CID_CONTRAST: return "Contrast"; + case V4L2_CID_SATURATION: return "Saturation"; + case V4L2_CID_HUE: return "Hue"; + case V4L2_CID_AUDIO_VOLUME: return "Volume"; + case V4L2_CID_AUDIO_BALANCE: return "Balance"; + case V4L2_CID_AUDIO_BASS: return "Bass"; + case V4L2_CID_AUDIO_TREBLE: return "Treble"; + case V4L2_CID_AUDIO_MUTE: return "Mute"; + case V4L2_CID_AUDIO_LOUDNESS: return "Loudness"; + case V4L2_CID_BLACK_LEVEL: return "Black Level"; + case V4L2_CID_AUTO_WHITE_BALANCE: return "White Balance, Automatic"; + case V4L2_CID_DO_WHITE_BALANCE: return "Do White Balance"; + case V4L2_CID_RED_BALANCE: return "Red Balance"; + case V4L2_CID_BLUE_BALANCE: return "Blue Balance"; + case V4L2_CID_GAMMA: return "Gamma"; + case V4L2_CID_EXPOSURE: return "Exposure"; + case V4L2_CID_AUTOGAIN: return "Gain, Automatic"; + case V4L2_CID_GAIN: return "Gain"; + case V4L2_CID_HFLIP: return "Horizontal Flip"; + case V4L2_CID_VFLIP: return "Vertical Flip"; + case V4L2_CID_HCENTER: return "Horizontal Center"; + case V4L2_CID_VCENTER: return "Vertical Center"; + case V4L2_CID_POWER_LINE_FREQUENCY: return "Power Line Frequency"; + case V4L2_CID_HUE_AUTO: return "Hue, Automatic"; + case V4L2_CID_WHITE_BALANCE_TEMPERATURE: return "White Balance Temperature"; + case V4L2_CID_SHARPNESS: return "Sharpness"; + case V4L2_CID_BACKLIGHT_COMPENSATION: return "Backlight Compensation"; + case V4L2_CID_CHROMA_AGC: return "Chroma AGC"; + case V4L2_CID_COLOR_KILLER: return "Color Killer"; + case V4L2_CID_COLORFX: return "Color Effects"; + case V4L2_CID_AUTOBRIGHTNESS: return "Brightness, Automatic"; + case V4L2_CID_BAND_STOP_FILTER: return "Band-Stop Filter"; + case V4L2_CID_ROTATE: return "Rotate"; + case V4L2_CID_BG_COLOR: return "Background Color"; + case V4L2_CID_CHROMA_GAIN: return "Chroma Gain"; + + /* MPEG controls */ + /* Keep the order of the 'case's the same as in videodev2.h! */ + case V4L2_CID_MPEG_CLASS: return "MPEG Encoder Controls"; + case V4L2_CID_MPEG_STREAM_TYPE: return "Stream Type"; + case V4L2_CID_MPEG_STREAM_PID_PMT: return "Stream PMT Program ID"; + case V4L2_CID_MPEG_STREAM_PID_AUDIO: return "Stream Audio Program ID"; + case V4L2_CID_MPEG_STREAM_PID_VIDEO: return "Stream Video Program ID"; + case V4L2_CID_MPEG_STREAM_PID_PCR: return "Stream PCR Program ID"; + case V4L2_CID_MPEG_STREAM_PES_ID_AUDIO: return "Stream PES Audio ID"; + case V4L2_CID_MPEG_STREAM_PES_ID_VIDEO: return "Stream PES Video ID"; + case V4L2_CID_MPEG_STREAM_VBI_FMT: return "Stream VBI Format"; + case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: return "Audio Sampling Frequency"; + case V4L2_CID_MPEG_AUDIO_ENCODING: return "Audio Encoding"; + case V4L2_CID_MPEG_AUDIO_L1_BITRATE: return "Audio Layer I Bitrate"; + case V4L2_CID_MPEG_AUDIO_L2_BITRATE: return "Audio Layer II Bitrate"; + case V4L2_CID_MPEG_AUDIO_L3_BITRATE: return "Audio Layer III Bitrate"; + case V4L2_CID_MPEG_AUDIO_MODE: return "Audio Stereo Mode"; + case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: return "Audio Stereo Mode Extension"; + case V4L2_CID_MPEG_AUDIO_EMPHASIS: return "Audio Emphasis"; + case V4L2_CID_MPEG_AUDIO_CRC: return "Audio CRC"; + case V4L2_CID_MPEG_AUDIO_MUTE: return "Audio Mute"; + case V4L2_CID_MPEG_AUDIO_AAC_BITRATE: return "Audio AAC Bitrate"; + case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: return "Audio AC-3 Bitrate"; + case V4L2_CID_MPEG_VIDEO_ENCODING: return "Video Encoding"; + case V4L2_CID_MPEG_VIDEO_ASPECT: return "Video Aspect"; + case V4L2_CID_MPEG_VIDEO_B_FRAMES: return "Video B Frames"; + case V4L2_CID_MPEG_VIDEO_GOP_SIZE: return "Video GOP Size"; + case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: return "Video GOP Closure"; + case V4L2_CID_MPEG_VIDEO_PULLDOWN: return "Video Pulldown"; + case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: return "Video Bitrate Mode"; + case V4L2_CID_MPEG_VIDEO_BITRATE: return "Video Bitrate"; + case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: return "Video Peak Bitrate"; + case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION: return "Video Temporal Decimation"; + case V4L2_CID_MPEG_VIDEO_MUTE: return "Video Mute"; + case V4L2_CID_MPEG_VIDEO_MUTE_YUV: return "Video Mute YUV"; + + /* CAMERA controls */ + /* Keep the order of the 'case's the same as in videodev2.h! */ + case V4L2_CID_CAMERA_CLASS: return "Camera Controls"; + case V4L2_CID_EXPOSURE_AUTO: return "Auto Exposure"; + case V4L2_CID_EXPOSURE_ABSOLUTE: return "Exposure Time, Absolute"; + case V4L2_CID_EXPOSURE_AUTO_PRIORITY: return "Exposure, Dynamic Framerate"; + case V4L2_CID_PAN_RELATIVE: return "Pan, Relative"; + case V4L2_CID_TILT_RELATIVE: return "Tilt, Relative"; + case V4L2_CID_PAN_RESET: return "Pan, Reset"; + case V4L2_CID_TILT_RESET: return "Tilt, Reset"; + case V4L2_CID_PAN_ABSOLUTE: return "Pan, Absolute"; + case V4L2_CID_TILT_ABSOLUTE: return "Tilt, Absolute"; + case V4L2_CID_FOCUS_ABSOLUTE: return "Focus, Absolute"; + case V4L2_CID_FOCUS_RELATIVE: return "Focus, Relative"; + case V4L2_CID_FOCUS_AUTO: return "Focus, Automatic"; + case V4L2_CID_ZOOM_ABSOLUTE: return "Zoom, Absolute"; + case V4L2_CID_ZOOM_RELATIVE: return "Zoom, Relative"; + case V4L2_CID_ZOOM_CONTINUOUS: return "Zoom, Continuous"; + case V4L2_CID_PRIVACY: return "Privacy"; + case V4L2_CID_IRIS_ABSOLUTE: return "Iris, Absolute"; + case V4L2_CID_IRIS_RELATIVE: return "Iris, Relative"; + + /* FM Radio Modulator control */ + /* Keep the order of the 'case's the same as in videodev2.h! */ + case V4L2_CID_FM_TX_CLASS: return "FM Radio Modulator Controls"; + case V4L2_CID_RDS_TX_DEVIATION: return "RDS Signal Deviation"; + case V4L2_CID_RDS_TX_PI: return "RDS Program ID"; + case V4L2_CID_RDS_TX_PTY: return "RDS Program Type"; + case V4L2_CID_RDS_TX_PS_NAME: return "RDS PS Name"; + case V4L2_CID_RDS_TX_RADIO_TEXT: return "RDS Radio Text"; + case V4L2_CID_AUDIO_LIMITER_ENABLED: return "Audio Limiter Feature Enabled"; + case V4L2_CID_AUDIO_LIMITER_RELEASE_TIME: return "Audio Limiter Release Time"; + case V4L2_CID_AUDIO_LIMITER_DEVIATION: return "Audio Limiter Deviation"; + case V4L2_CID_AUDIO_COMPRESSION_ENABLED: return "Audio Compression Feature Enabled"; + case V4L2_CID_AUDIO_COMPRESSION_GAIN: return "Audio Compression Gain"; + case V4L2_CID_AUDIO_COMPRESSION_THRESHOLD: return "Audio Compression Threshold"; + case V4L2_CID_AUDIO_COMPRESSION_ATTACK_TIME: return "Audio Compression Attack Time"; + case V4L2_CID_AUDIO_COMPRESSION_RELEASE_TIME: return "Audio Compression Release Time"; + case V4L2_CID_PILOT_TONE_ENABLED: return "Pilot Tone Feature Enabled"; + case V4L2_CID_PILOT_TONE_DEVIATION: return "Pilot Tone Deviation"; + case V4L2_CID_PILOT_TONE_FREQUENCY: return "Pilot Tone Frequency"; + case V4L2_CID_TUNE_PREEMPHASIS: return "Pre-emphasis settings"; + case V4L2_CID_TUNE_POWER_LEVEL: return "Tune Power Level"; + case V4L2_CID_TUNE_ANTENNA_CAPACITOR: return "Tune Antenna Capacitor"; + + default: + return NULL; + } +} +EXPORT_SYMBOL(v4l2_ctrl_get_name); + +void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, + s32 *min, s32 *max, s32 *step, s32 *def, u32 *flags) +{ + *name = v4l2_ctrl_get_name(id); + *flags = 0; + + switch (id) { + case V4L2_CID_AUDIO_MUTE: + case V4L2_CID_AUDIO_LOUDNESS: + case V4L2_CID_AUTO_WHITE_BALANCE: + case V4L2_CID_AUTOGAIN: + case V4L2_CID_HFLIP: + case V4L2_CID_VFLIP: + case V4L2_CID_HUE_AUTO: + case V4L2_CID_CHROMA_AGC: + case V4L2_CID_COLOR_KILLER: + case V4L2_CID_MPEG_AUDIO_MUTE: + case V4L2_CID_MPEG_VIDEO_MUTE: + case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: + case V4L2_CID_MPEG_VIDEO_PULLDOWN: + case V4L2_CID_EXPOSURE_AUTO_PRIORITY: + case V4L2_CID_FOCUS_AUTO: + case V4L2_CID_PRIVACY: + case V4L2_CID_AUDIO_LIMITER_ENABLED: + case V4L2_CID_AUDIO_COMPRESSION_ENABLED: + case V4L2_CID_PILOT_TONE_ENABLED: + *type = V4L2_CTRL_TYPE_BOOLEAN; + *min = 0; + *max = *step = 1; + break; + case V4L2_CID_PAN_RESET: + case V4L2_CID_TILT_RESET: + *type = V4L2_CTRL_TYPE_BUTTON; + *flags |= V4L2_CTRL_FLAG_WRITE_ONLY; + *min = *max = *step = *def = 0; + break; + case V4L2_CID_POWER_LINE_FREQUENCY: + case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: + case V4L2_CID_MPEG_AUDIO_ENCODING: + case V4L2_CID_MPEG_AUDIO_L1_BITRATE: + case V4L2_CID_MPEG_AUDIO_L2_BITRATE: + case V4L2_CID_MPEG_AUDIO_L3_BITRATE: + case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: + case V4L2_CID_MPEG_AUDIO_MODE: + case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: + case V4L2_CID_MPEG_AUDIO_EMPHASIS: + case V4L2_CID_MPEG_AUDIO_CRC: + case V4L2_CID_MPEG_VIDEO_ENCODING: + case V4L2_CID_MPEG_VIDEO_ASPECT: + case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: + case V4L2_CID_MPEG_STREAM_TYPE: + case V4L2_CID_MPEG_STREAM_VBI_FMT: + case V4L2_CID_EXPOSURE_AUTO: + case V4L2_CID_COLORFX: + case V4L2_CID_TUNE_PREEMPHASIS: + *type = V4L2_CTRL_TYPE_MENU; + break; + case V4L2_CID_RDS_TX_PS_NAME: + case V4L2_CID_RDS_TX_RADIO_TEXT: + *type = V4L2_CTRL_TYPE_STRING; + break; + case V4L2_CID_USER_CLASS: + case V4L2_CID_CAMERA_CLASS: + case V4L2_CID_MPEG_CLASS: + case V4L2_CID_FM_TX_CLASS: + *type = V4L2_CTRL_TYPE_CTRL_CLASS; + /* You can neither read not write these */ + *flags |= V4L2_CTRL_FLAG_READ_ONLY | V4L2_CTRL_FLAG_WRITE_ONLY; + *min = *max = *step = *def = 0; + break; + case V4L2_CID_BG_COLOR: + *type = V4L2_CTRL_TYPE_INTEGER; + *step = 1; + *min = 0; + /* Max is calculated as RGB888 that is 2^24 */ + *max = 0xFFFFFF; + break; + default: + *type = V4L2_CTRL_TYPE_INTEGER; + break; + } + switch (id) { + case V4L2_CID_MPEG_AUDIO_ENCODING: + case V4L2_CID_MPEG_AUDIO_MODE: + case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: + case V4L2_CID_MPEG_VIDEO_B_FRAMES: + case V4L2_CID_MPEG_STREAM_TYPE: + *flags |= V4L2_CTRL_FLAG_UPDATE; + break; + case V4L2_CID_AUDIO_VOLUME: + case V4L2_CID_AUDIO_BALANCE: + case V4L2_CID_AUDIO_BASS: + case V4L2_CID_AUDIO_TREBLE: + case V4L2_CID_BRIGHTNESS: + case V4L2_CID_CONTRAST: + case V4L2_CID_SATURATION: + case V4L2_CID_HUE: + case V4L2_CID_RED_BALANCE: + case V4L2_CID_BLUE_BALANCE: + case V4L2_CID_GAMMA: + case V4L2_CID_SHARPNESS: + case V4L2_CID_CHROMA_GAIN: + case V4L2_CID_RDS_TX_DEVIATION: + case V4L2_CID_AUDIO_LIMITER_RELEASE_TIME: + case V4L2_CID_AUDIO_LIMITER_DEVIATION: + case V4L2_CID_AUDIO_COMPRESSION_GAIN: + case V4L2_CID_AUDIO_COMPRESSION_THRESHOLD: + case V4L2_CID_AUDIO_COMPRESSION_ATTACK_TIME: + case V4L2_CID_AUDIO_COMPRESSION_RELEASE_TIME: + case V4L2_CID_PILOT_TONE_DEVIATION: + case V4L2_CID_PILOT_TONE_FREQUENCY: + case V4L2_CID_TUNE_POWER_LEVEL: + case V4L2_CID_TUNE_ANTENNA_CAPACITOR: + *flags |= V4L2_CTRL_FLAG_SLIDER; + break; + case V4L2_CID_PAN_RELATIVE: + case V4L2_CID_TILT_RELATIVE: + case V4L2_CID_FOCUS_RELATIVE: + case V4L2_CID_IRIS_RELATIVE: + case V4L2_CID_ZOOM_RELATIVE: + *flags |= V4L2_CTRL_FLAG_WRITE_ONLY; + break; + } +} +EXPORT_SYMBOL(v4l2_ctrl_fill); + +/* Helper function to determine whether the control type is compatible with + VIDIOC_G/S_CTRL. */ +static bool type_is_int(const struct v4l2_ctrl *ctrl) +{ + switch (ctrl->type) { + case V4L2_CTRL_TYPE_INTEGER64: + case V4L2_CTRL_TYPE_STRING: + /* Nope, these need v4l2_ext_control */ + return false; + default: + return true; + } +} + +/* Helper function: copy the current control value back to the caller */ +static int cur_to_user(struct v4l2_ext_control *c, + struct v4l2_ctrl *ctrl) +{ + u32 len; + + switch (ctrl->type) { + case V4L2_CTRL_TYPE_STRING: + len = strlen(ctrl->cur.string); + if (c->size < len + 1) { + c->size = len + 1; + return -ENOSPC; + } + return copy_to_user(c->string, ctrl->cur.string, + len + 1) ? -EFAULT : 0; + case V4L2_CTRL_TYPE_INTEGER64: + c->value64 = ctrl->cur.val64; + break; + default: + c->value = ctrl->cur.val; + break; + } + return 0; +} + +/* Helper function: copy the caller-provider value as the new control value */ +static int user_to_new(struct v4l2_ext_control *c, + struct v4l2_ctrl *ctrl) +{ + int ret; + u32 size; + + ctrl->has_new = 1; + switch (ctrl->type) { + case V4L2_CTRL_TYPE_INTEGER64: + ctrl->val64 = c->value64; + break; + case V4L2_CTRL_TYPE_STRING: + size = c->size; + if (size == 0) + return -ERANGE; + if (size > ctrl->maximum + 1) + size = ctrl->maximum + 1; + ret = copy_from_user(ctrl->string, c->string, size); + if (!ret) { + char last = ctrl->string[size - 1]; + + ctrl->string[size - 1] = 0; + /* If the string was longer than ctrl->maximum, + then return an error. */ + if (strlen(ctrl->string) == ctrl->maximum && last) + return -ERANGE; + } + return ret ? -EFAULT : 0; + default: + ctrl->val = c->value; + break; + } + return 0; +} + +/* Helper function: copy the new control value back to the caller */ +static int new_to_user(struct v4l2_ext_control *c, + struct v4l2_ctrl *ctrl) +{ + u32 len; + + switch (ctrl->type) { + case V4L2_CTRL_TYPE_STRING: + len = strlen(ctrl->string); + if (c->size < len + 1) { + c->size = ctrl->maximum + 1; + return -ENOSPC; + } + return copy_to_user(c->string, ctrl->string, + len + 1) ? -EFAULT : 0; + case V4L2_CTRL_TYPE_INTEGER64: + c->value64 = ctrl->val64; + break; + default: + c->value = ctrl->val; + break; + } + return 0; +} + +/* Copy the new value to the current value. */ +static void new_to_cur(struct v4l2_ctrl *ctrl) +{ + if (ctrl == NULL) + return; + switch (ctrl->type) { + case V4L2_CTRL_TYPE_STRING: + /* strings are always 0-terminated */ + strcpy(ctrl->cur.string, ctrl->string); + break; + case V4L2_CTRL_TYPE_INTEGER64: + ctrl->cur.val64 = ctrl->val64; + break; + default: + ctrl->cur.val = ctrl->val; + break; + } +} + +/* Copy the current value to the new value */ +static void cur_to_new(struct v4l2_ctrl *ctrl) +{ + if (ctrl == NULL) + return; + switch (ctrl->type) { + case V4L2_CTRL_TYPE_STRING: + /* strings are always 0-terminated */ + strcpy(ctrl->string, ctrl->cur.string); + break; + case V4L2_CTRL_TYPE_INTEGER64: + ctrl->val64 = ctrl->cur.val64; + break; + default: + ctrl->val = ctrl->cur.val; + break; + } +} + +/* Return non-zero if one or more of the controls in the cluster has a new + value that differs from the current value. */ +static int cluster_changed(struct v4l2_ctrl *master) +{ + int diff = 0; + int i; + + for (i = 0; !diff && i < master->ncontrols; i++) { + struct v4l2_ctrl *ctrl = master->cluster[i]; + + if (ctrl == NULL) + continue; + switch (ctrl->type) { + case V4L2_CTRL_TYPE_BUTTON: + /* Button controls are always 'different' */ + return 1; + case V4L2_CTRL_TYPE_STRING: + /* strings are always 0-terminated */ + diff = strcmp(ctrl->string, ctrl->cur.string); + break; + case V4L2_CTRL_TYPE_INTEGER64: + diff = ctrl->val64 != ctrl->cur.val64; + break; + default: + diff = ctrl->val != ctrl->cur.val; + break; + } + } + return diff; +} + +/* Validate a new control */ +static int validate_new(struct v4l2_ctrl *ctrl) +{ + s32 val = ctrl->val; + char *s = ctrl->string; + u32 offset; + size_t len; + + switch (ctrl->type) { + case V4L2_CTRL_TYPE_INTEGER: + /* Round towards the closest legal value */ + val += ctrl->step / 2; + if (val < ctrl->minimum) + val = ctrl->minimum; + if (val > ctrl->maximum) + val = ctrl->maximum; + offset = val - ctrl->minimum; + offset = ctrl->step * (offset / ctrl->step); + val = ctrl->minimum + offset; + ctrl->val = val; + return 0; + + case V4L2_CTRL_TYPE_BOOLEAN: + ctrl->val = !!ctrl->val; + return 0; + + case V4L2_CTRL_TYPE_MENU: + if (val < ctrl->minimum || val > ctrl->maximum) + return -ERANGE; + if (ctrl->qmenu[val][0] == '\0' || + (ctrl->menu_skip_mask & (1 << val))) + return -EINVAL; + return 0; + + case V4L2_CTRL_TYPE_BUTTON: + case V4L2_CTRL_TYPE_CTRL_CLASS: + ctrl->val64 = 0; + return 0; + + case V4L2_CTRL_TYPE_INTEGER64: + return 0; + + case V4L2_CTRL_TYPE_STRING: + len = strlen(s); + if (len < ctrl->minimum) + return -ERANGE; + if ((len - ctrl->minimum) % ctrl->step) + return -ERANGE; + return 0; + + default: + return -EINVAL; + } +} + +static inline u32 node2id(struct list_head *node) +{ + return list_entry(node, struct v4l2_ctrl_ref, node)->ctrl->id; +} + +/* Set the handler's error code if it wasn't set earlier already */ +static inline int handler_set_err(struct v4l2_ctrl_handler *hdl, int err) +{ + if (hdl->error == 0) + hdl->error = err; + return err; +} + +/* Initialize the handler */ +int v4l2_ctrl_handler_init(struct v4l2_ctrl_handler *hdl, + unsigned nr_of_controls_hint) +{ + mutex_init(&hdl->lock); + INIT_LIST_HEAD(&hdl->ctrls); + INIT_LIST_HEAD(&hdl->ctrl_refs); + hdl->nr_of_buckets = 1 + nr_of_controls_hint / 8; + hdl->buckets = kzalloc(sizeof(hdl->buckets[0]) * hdl->nr_of_buckets, + GFP_KERNEL); + hdl->error = hdl->buckets ? 0 : -ENOMEM; + return hdl->error; +} +EXPORT_SYMBOL(v4l2_ctrl_handler_init); + +/* Free all controls and control refs */ +void v4l2_ctrl_handler_free(struct v4l2_ctrl_handler *hdl) +{ + struct v4l2_ctrl_ref *ref, *next_ref; + struct v4l2_ctrl *ctrl, *next_ctrl; + + if (hdl == NULL || hdl->buckets == NULL) + return; + + mutex_lock(&hdl->lock); + /* Free all nodes */ + list_for_each_entry_safe(ref, next_ref, &hdl->ctrl_refs, node) { + list_del(&ref->node); + kfree(ref); + } + /* Free all controls owned by the handler */ + list_for_each_entry_safe(ctrl, next_ctrl, &hdl->ctrls, node) { + list_del(&ctrl->node); + kfree(ctrl); + } + kfree(hdl->buckets); + hdl->buckets = NULL; + hdl->cached = NULL; + hdl->error = 0; + mutex_unlock(&hdl->lock); +} +EXPORT_SYMBOL(v4l2_ctrl_handler_free); + +/* For backwards compatibility: V4L2_CID_PRIVATE_BASE should no longer + be used except in G_CTRL, S_CTRL, QUERYCTRL and QUERYMENU when dealing + with applications that do not use the NEXT_CTRL flag. + + We just find the n-th private user control. It's O(N), but that should not + be an issue in this particular case. */ +static struct v4l2_ctrl_ref *find_private_ref( + struct v4l2_ctrl_handler *hdl, u32 id) +{ + struct v4l2_ctrl_ref *ref; + + id -= V4L2_CID_PRIVATE_BASE; + list_for_each_entry(ref, &hdl->ctrl_refs, node) { + /* Search for private user controls that are compatible with + VIDIOC_G/S_CTRL. */ + if (V4L2_CTRL_ID2CLASS(ref->ctrl->id) == V4L2_CTRL_CLASS_USER && + V4L2_CTRL_DRIVER_PRIV(ref->ctrl->id)) { + if (!type_is_int(ref->ctrl)) + continue; + if (id == 0) + return ref; + id--; + } + } + return NULL; +} + +/* Find a control with the given ID. */ +static struct v4l2_ctrl_ref *find_ref(struct v4l2_ctrl_handler *hdl, u32 id) +{ + struct v4l2_ctrl_ref *ref; + int bucket; + + id &= V4L2_CTRL_ID_MASK; + + /* Old-style private controls need special handling */ + if (id >= V4L2_CID_PRIVATE_BASE) + return find_private_ref(hdl, id); + bucket = id % hdl->nr_of_buckets; + + /* Simple optimization: cache the last control found */ + if (hdl->cached && hdl->cached->ctrl->id == id) + return hdl->cached; + + /* Not in cache, search the hash */ + ref = hdl->buckets ? hdl->buckets[bucket] : NULL; + while (ref && ref->ctrl->id != id) + ref = ref->next; + + if (ref) + hdl->cached = ref; /* cache it! */ + return ref; +} + +/* Find a control with the given ID. Take the handler's lock first. */ +static struct v4l2_ctrl_ref *find_ref_lock( + struct v4l2_ctrl_handler *hdl, u32 id) +{ + struct v4l2_ctrl_ref *ref = NULL; + + if (hdl) { + mutex_lock(&hdl->lock); + ref = find_ref(hdl, id); + mutex_unlock(&hdl->lock); + } + return ref; +} + +/* Find a control with the given ID. */ +struct v4l2_ctrl *v4l2_ctrl_find(struct v4l2_ctrl_handler *hdl, u32 id) +{ + struct v4l2_ctrl_ref *ref = find_ref_lock(hdl, id); + + return ref ? ref->ctrl : NULL; +} +EXPORT_SYMBOL(v4l2_ctrl_find); + +/* Allocate a new v4l2_ctrl_ref and hook it into the handler. */ +static int handler_new_ref(struct v4l2_ctrl_handler *hdl, + struct v4l2_ctrl *ctrl) +{ + struct v4l2_ctrl_ref *ref; + struct v4l2_ctrl_ref *new_ref; + u32 id = ctrl->id; + u32 class_ctrl = V4L2_CTRL_ID2CLASS(id) | 1; + int bucket = id % hdl->nr_of_buckets; /* which bucket to use */ + + /* Automatically add the control class if it is not yet present. */ + if (id != class_ctrl && find_ref_lock(hdl, class_ctrl) == NULL) + if (!v4l2_ctrl_new_std(hdl, NULL, class_ctrl, 0, 0, 0, 0)) + return hdl->error; + + if (hdl->error) + return hdl->error; + + new_ref = kzalloc(sizeof(*new_ref), GFP_KERNEL); + if (!new_ref) + return handler_set_err(hdl, -ENOMEM); + new_ref->ctrl = ctrl; + if (ctrl->handler == hdl) { + /* By default each control starts in a cluster of its own. + new_ref->ctrl is basically a cluster array with one + element, so that's perfect to use as the cluster pointer. + But only do this for the handler that owns the control. */ + ctrl->cluster = &new_ref->ctrl; + ctrl->ncontrols = 1; + } + + INIT_LIST_HEAD(&new_ref->node); + + mutex_lock(&hdl->lock); + + /* Add immediately at the end of the list if the list is empty, or if + the last element in the list has a lower ID. + This ensures that when elements are added in ascending order the + insertion is an O(1) operation. */ + if (list_empty(&hdl->ctrl_refs) || id > node2id(hdl->ctrl_refs.prev)) { + list_add_tail(&new_ref->node, &hdl->ctrl_refs); + goto insert_in_hash; + } + + /* Find insert position in sorted list */ + list_for_each_entry(ref, &hdl->ctrl_refs, node) { + if (ref->ctrl->id < id) + continue; + /* Don't add duplicates */ + if (ref->ctrl->id == id) { + kfree(new_ref); + goto unlock; + } + list_add(&new_ref->node, ref->node.prev); + break; + } + +insert_in_hash: + /* Insert the control node in the hash */ + new_ref->next = hdl->buckets[bucket]; + hdl->buckets[bucket] = new_ref; + +unlock: + mutex_unlock(&hdl->lock); + return 0; +} + +/* Add a new control */ +static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl, + const struct v4l2_ctrl_ops *ops, + u32 id, const char *name, enum v4l2_ctrl_type type, + s32 min, s32 max, u32 step, s32 def, + u32 flags, const char **qmenu, void *priv) +{ + struct v4l2_ctrl *ctrl; + unsigned sz_extra = 0; + + if (hdl->error) + return NULL; + + /* Sanity checks */ + if (id == 0 || name == NULL || id >= V4L2_CID_PRIVATE_BASE || + def < min || def > max || max < min || + (type == V4L2_CTRL_TYPE_INTEGER && step == 0) || + (type == V4L2_CTRL_TYPE_MENU && qmenu == NULL) || + (type == V4L2_CTRL_TYPE_STRING && max == 0)) { + handler_set_err(hdl, -ERANGE); + return NULL; + } + + if (type == V4L2_CTRL_TYPE_BUTTON) + flags |= V4L2_CTRL_FLAG_WRITE_ONLY; + else if (type == V4L2_CTRL_TYPE_CTRL_CLASS) + flags |= V4L2_CTRL_FLAG_READ_ONLY; + else if (type == V4L2_CTRL_TYPE_STRING) + sz_extra += 2 * (max + 1); + + ctrl = kzalloc(sizeof(*ctrl) + sz_extra, GFP_KERNEL); + if (ctrl == NULL) { + handler_set_err(hdl, -ENOMEM); + return NULL; + } + + INIT_LIST_HEAD(&ctrl->node); + ctrl->handler = hdl; + ctrl->ops = ops; + ctrl->id = id; + ctrl->name = name; + ctrl->type = type; + ctrl->flags = flags; + ctrl->minimum = min; + ctrl->maximum = max; + ctrl->step = step; + ctrl->qmenu = qmenu; + ctrl->priv = priv; + ctrl->cur.val = ctrl->val = ctrl->default_value = def; + + if (ctrl->type == V4L2_CTRL_TYPE_STRING) { + ctrl->cur.string = (char *)&ctrl[1] + sz_extra - (max + 1); + ctrl->string = (char *)&ctrl[1] + sz_extra - 2 * (max + 1); + if (ctrl->minimum) + memset(ctrl->cur.string, ' ', ctrl->minimum); + } + if (handler_new_ref(hdl, ctrl)) { + kfree(ctrl); + return NULL; + } + mutex_lock(&hdl->lock); + list_add_tail(&ctrl->node, &hdl->ctrls); + mutex_unlock(&hdl->lock); + return ctrl; +} + +struct v4l2_ctrl *v4l2_ctrl_new_custom(struct v4l2_ctrl_handler *hdl, + const struct v4l2_ctrl_config *cfg, void *priv) +{ + bool is_menu; + struct v4l2_ctrl *ctrl; + const char *name = cfg->name; + const char **qmenu = cfg->qmenu; + enum v4l2_ctrl_type type = cfg->type; + u32 flags = cfg->flags; + s32 min = cfg->min; + s32 max = cfg->max; + u32 step = cfg->step; + s32 def = cfg->def; + + if (name == NULL) + v4l2_ctrl_fill(cfg->id, &name, &type, &min, &max, &step, + &def, &flags); + + is_menu = (cfg->type == V4L2_CTRL_TYPE_MENU); + if (is_menu) + WARN_ON(step); + else + WARN_ON(cfg->menu_skip_mask); + if (is_menu && qmenu == NULL) + qmenu = v4l2_ctrl_get_menu(cfg->id); + + ctrl = v4l2_ctrl_new(hdl, cfg->ops, cfg->id, name, + type, min, max, + is_menu ? cfg->menu_skip_mask : step, + def, flags, qmenu, priv); + if (ctrl) { + ctrl->is_private = cfg->is_private; + ctrl->is_volatile = cfg->is_volatile; + } + return ctrl; +} +EXPORT_SYMBOL(v4l2_ctrl_new_custom); + +/* Helper function for standard non-menu controls */ +struct v4l2_ctrl *v4l2_ctrl_new_std(struct v4l2_ctrl_handler *hdl, + const struct v4l2_ctrl_ops *ops, + u32 id, s32 min, s32 max, u32 step, s32 def) +{ + const char *name; + enum v4l2_ctrl_type type; + u32 flags; + + v4l2_ctrl_fill(id, &name, &type, &min, &max, &step, &def, &flags); + if (type == V4L2_CTRL_TYPE_MENU) { + handler_set_err(hdl, -EINVAL); + return NULL; + } + return v4l2_ctrl_new(hdl, ops, id, name, type, + min, max, step, def, flags, NULL, NULL); +} +EXPORT_SYMBOL(v4l2_ctrl_new_std); + +/* Helper function for standard menu controls */ +struct v4l2_ctrl *v4l2_ctrl_new_std_menu(struct v4l2_ctrl_handler *hdl, + const struct v4l2_ctrl_ops *ops, + u32 id, s32 max, s32 mask, s32 def) +{ + const char **qmenu = v4l2_ctrl_get_menu(id); + const char *name; + enum v4l2_ctrl_type type; + s32 min; + s32 step; + u32 flags; + + v4l2_ctrl_fill(id, &name, &type, &min, &max, &step, &def, &flags); + if (type != V4L2_CTRL_TYPE_MENU) { + handler_set_err(hdl, -EINVAL); + return NULL; + } + return v4l2_ctrl_new(hdl, ops, id, name, type, + 0, max, mask, def, flags, qmenu, NULL); +} +EXPORT_SYMBOL(v4l2_ctrl_new_std_menu); + +/* Add a control from another handler to this handler */ +struct v4l2_ctrl *v4l2_ctrl_add_ctrl(struct v4l2_ctrl_handler *hdl, + struct v4l2_ctrl *ctrl) +{ + if (hdl == NULL || hdl->error) + return NULL; + if (ctrl == NULL) { + handler_set_err(hdl, -EINVAL); + return NULL; + } + if (ctrl->handler == hdl) + return ctrl; + return handler_new_ref(hdl, ctrl) ? NULL : ctrl; +} +EXPORT_SYMBOL(v4l2_ctrl_add_ctrl); + +/* Add the controls from another handler to our own. */ +int v4l2_ctrl_add_handler(struct v4l2_ctrl_handler *hdl, + struct v4l2_ctrl_handler *add) +{ + struct v4l2_ctrl *ctrl; + int ret = 0; + + /* Do nothing if either handler is NULL or if they are the same */ + if (!hdl || !add || hdl == add) + return 0; + if (hdl->error) + return hdl->error; + mutex_lock(&add->lock); + list_for_each_entry(ctrl, &add->ctrls, node) { + /* Skip handler-private controls. */ + if (ctrl->is_private) + continue; + ret = handler_new_ref(hdl, ctrl); + if (ret) + break; + } + mutex_unlock(&add->lock); + return ret; +} +EXPORT_SYMBOL(v4l2_ctrl_add_handler); + +/* Cluster controls */ +void v4l2_ctrl_cluster(unsigned ncontrols, struct v4l2_ctrl **controls) +{ + int i; + + /* The first control is the master control and it must not be NULL */ + BUG_ON(controls[0] == NULL); + + for (i = 0; i < ncontrols; i++) { + if (controls[i]) { + controls[i]->cluster = controls; + controls[i]->ncontrols = ncontrols; + } + } +} +EXPORT_SYMBOL(v4l2_ctrl_cluster); + +/* Activate/deactivate a control. */ +void v4l2_ctrl_activate(struct v4l2_ctrl *ctrl, bool active) +{ + if (ctrl == NULL) + return; + + if (!active) + /* set V4L2_CTRL_FLAG_INACTIVE */ + set_bit(4, &ctrl->flags); + else + /* clear V4L2_CTRL_FLAG_INACTIVE */ + clear_bit(4, &ctrl->flags); +} +EXPORT_SYMBOL(v4l2_ctrl_activate); + +/* Grab/ungrab a control. + Typically used when streaming starts and you want to grab controls, + preventing the user from changing them. + + Just call this and the framework will block any attempts to change + these controls. */ +void v4l2_ctrl_grab(struct v4l2_ctrl *ctrl, bool grabbed) +{ + if (ctrl == NULL) + return; + + if (grabbed) + /* set V4L2_CTRL_FLAG_GRABBED */ + set_bit(1, &ctrl->flags); + else + /* clear V4L2_CTRL_FLAG_GRABBED */ + clear_bit(1, &ctrl->flags); +} +EXPORT_SYMBOL(v4l2_ctrl_grab); + +/* Log the control name and value */ +static void log_ctrl(const struct v4l2_ctrl *ctrl, + const char *prefix, const char *colon) +{ + int fl_inact = ctrl->flags & V4L2_CTRL_FLAG_INACTIVE; + int fl_grabbed = ctrl->flags & V4L2_CTRL_FLAG_GRABBED; + + if (ctrl->flags & (V4L2_CTRL_FLAG_DISABLED | V4L2_CTRL_FLAG_WRITE_ONLY)) + return; + if (ctrl->type == V4L2_CTRL_TYPE_CTRL_CLASS) + return; + + printk(KERN_INFO "%s%s%s: ", prefix, colon, ctrl->name); + + switch (ctrl->type) { + case V4L2_CTRL_TYPE_INTEGER: + printk(KERN_CONT "%d", ctrl->cur.val); + break; + case V4L2_CTRL_TYPE_BOOLEAN: + printk(KERN_CONT "%s", ctrl->cur.val ? "true" : "false"); + break; + case V4L2_CTRL_TYPE_MENU: + printk(KERN_CONT "%s", ctrl->qmenu[ctrl->cur.val]); + break; + case V4L2_CTRL_TYPE_INTEGER64: + printk(KERN_CONT "%lld", ctrl->cur.val64); + break; + case V4L2_CTRL_TYPE_STRING: + printk(KERN_CONT "%s", ctrl->cur.string); + break; + default: + printk(KERN_CONT "unknown type %d", ctrl->type); + break; + } + if (fl_inact && fl_grabbed) + printk(KERN_CONT " (inactive, grabbed)\n"); + else if (fl_inact) + printk(KERN_CONT " (inactive)\n"); + else if (fl_grabbed) + printk(KERN_CONT " (grabbed)\n"); + else + printk(KERN_CONT "\n"); +} + +/* Log all controls owned by the handler */ +void v4l2_ctrl_handler_log_status(struct v4l2_ctrl_handler *hdl, + const char *prefix) +{ + struct v4l2_ctrl *ctrl; + const char *colon = ""; + int len; + + if (hdl == NULL) + return; + if (prefix == NULL) + prefix = ""; + len = strlen(prefix); + if (len && prefix[len - 1] != ' ') + colon = ": "; + mutex_lock(&hdl->lock); + list_for_each_entry(ctrl, &hdl->ctrls, node) + if (!(ctrl->flags & V4L2_CTRL_FLAG_DISABLED)) + log_ctrl(ctrl, prefix, colon); + mutex_unlock(&hdl->lock); +} +EXPORT_SYMBOL(v4l2_ctrl_handler_log_status); + +/* Call s_ctrl for all controls owned by the handler */ +int v4l2_ctrl_handler_setup(struct v4l2_ctrl_handler *hdl) +{ + struct v4l2_ctrl *ctrl; + int ret = 0; + + if (hdl == NULL) + return 0; + mutex_lock(&hdl->lock); + list_for_each_entry(ctrl, &hdl->ctrls, node) + ctrl->done = false; + + list_for_each_entry(ctrl, &hdl->ctrls, node) { + struct v4l2_ctrl *master = ctrl->cluster[0]; + int i; + + /* Skip if this control was already handled by a cluster. */ + if (ctrl->done) + continue; + + for (i = 0; i < master->ncontrols; i++) + cur_to_new(master->cluster[i]); + + /* Skip button controls and read-only controls. */ + if (ctrl->type == V4L2_CTRL_TYPE_BUTTON || + (ctrl->flags & V4L2_CTRL_FLAG_READ_ONLY)) + continue; + ret = master->ops->s_ctrl(master); + if (ret) + break; + for (i = 0; i < master->ncontrols; i++) + if (master->cluster[i]) + master->cluster[i]->done = true; + } + mutex_unlock(&hdl->lock); + return ret; +} +EXPORT_SYMBOL(v4l2_ctrl_handler_setup); + +/* Implement VIDIOC_QUERYCTRL */ +int v4l2_queryctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_queryctrl *qc) +{ + u32 id = qc->id & V4L2_CTRL_ID_MASK; + struct v4l2_ctrl_ref *ref; + struct v4l2_ctrl *ctrl; + + if (hdl == NULL) + return -EINVAL; + + mutex_lock(&hdl->lock); + + /* Try to find it */ + ref = find_ref(hdl, id); + + if ((qc->id & V4L2_CTRL_FLAG_NEXT_CTRL) && !list_empty(&hdl->ctrl_refs)) { + /* Find the next control with ID > qc->id */ + + /* Did we reach the end of the control list? */ + if (id >= node2id(hdl->ctrl_refs.prev)) { + ref = NULL; /* Yes, so there is no next control */ + } else if (ref) { + /* We found a control with the given ID, so just get + the next one in the list. */ + ref = list_entry(ref->node.next, typeof(*ref), node); + } else { + /* No control with the given ID exists, so start + searching for the next largest ID. We know there + is one, otherwise the first 'if' above would have + been true. */ + list_for_each_entry(ref, &hdl->ctrl_refs, node) + if (id < ref->ctrl->id) + break; + } + } + mutex_unlock(&hdl->lock); + if (!ref) + return -EINVAL; + + ctrl = ref->ctrl; + memset(qc, 0, sizeof(*qc)); + qc->id = ctrl->id; + strlcpy(qc->name, ctrl->name, sizeof(qc->name)); + qc->minimum = ctrl->minimum; + qc->maximum = ctrl->maximum; + qc->default_value = ctrl->default_value; + if (qc->type == V4L2_CTRL_TYPE_MENU) + qc->step = 1; + else + qc->step = ctrl->step; + qc->flags = ctrl->flags; + qc->type = ctrl->type; + return 0; +} +EXPORT_SYMBOL(v4l2_queryctrl); + +int v4l2_subdev_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc) +{ + return v4l2_queryctrl(sd->ctrl_handler, qc); +} +EXPORT_SYMBOL(v4l2_subdev_queryctrl); + +/* Implement VIDIOC_QUERYMENU */ +int v4l2_querymenu(struct v4l2_ctrl_handler *hdl, struct v4l2_querymenu *qm) +{ + struct v4l2_ctrl *ctrl; + u32 i = qm->index; + + ctrl = v4l2_ctrl_find(hdl, qm->id); + if (!ctrl) + return -EINVAL; + + qm->reserved = 0; + /* Sanity checks */ + if (ctrl->qmenu == NULL || + i < ctrl->minimum || i > ctrl->maximum) + return -EINVAL; + /* Use mask to see if this menu item should be skipped */ + if (ctrl->menu_skip_mask & (1 << i)) + return -EINVAL; + /* Empty menu items should also be skipped */ + if (ctrl->qmenu[i] == NULL || ctrl->qmenu[i][0] == '\0') + return -EINVAL; + strlcpy(qm->name, ctrl->qmenu[i], sizeof(qm->name)); + return 0; +} +EXPORT_SYMBOL(v4l2_querymenu); + +int v4l2_subdev_querymenu(struct v4l2_subdev *sd, struct v4l2_querymenu *qm) +{ + return v4l2_querymenu(sd->ctrl_handler, qm); +} +EXPORT_SYMBOL(v4l2_subdev_querymenu); + + + +/* Some general notes on the atomic requirements of VIDIOC_G/TRY/S_EXT_CTRLS: + + It is not a fully atomic operation, just best-effort only. After all, if + multiple controls have to be set through multiple i2c writes (for example) + then some initial writes may succeed while others fail. Thus leaving the + system in an inconsistent state. The question is how much effort you are + willing to spend on trying to make something atomic that really isn't. + + From the point of view of an application the main requirement is that + when you call VIDIOC_S_EXT_CTRLS and some values are invalid then an + error should be returned without actually affecting any controls. + + If all the values are correct, then it is acceptable to just give up + in case of low-level errors. + + It is important though that the application can tell when only a partial + configuration was done. The way we do that is through the error_idx field + of struct v4l2_ext_controls: if that is equal to the count field then no + controls were affected. Otherwise all controls before that index were + successful in performing their 'get' or 'set' operation, the control at + the given index failed, and you don't know what happened with the controls + after the failed one. Since if they were part of a control cluster they + could have been successfully processed (if a cluster member was encountered + at index < error_idx), they could have failed (if a cluster member was at + error_idx), or they may not have been processed yet (if the first cluster + member appeared after error_idx). + + It is all fairly theoretical, though. In practice all you can do is to + bail out. If error_idx == count, then it is an application bug. If + error_idx < count then it is only an application bug if the error code was + EBUSY. That usually means that something started streaming just when you + tried to set the controls. In all other cases it is a driver/hardware + problem and all you can do is to retry or bail out. + + Note that these rules do not apply to VIDIOC_TRY_EXT_CTRLS: since that + never modifies controls the error_idx is just set to whatever control + has an invalid value. + */ + +/* Prepare for the extended g/s/try functions. + Find the controls in the control array and do some basic checks. */ +static int prepare_ext_ctrls(struct v4l2_ctrl_handler *hdl, + struct v4l2_ext_controls *cs, + struct ctrl_helper *helpers, + bool try) +{ + u32 i; + + for (i = 0; i < cs->count; i++) { + struct v4l2_ext_control *c = &cs->controls[i]; + struct v4l2_ctrl *ctrl; + u32 id = c->id & V4L2_CTRL_ID_MASK; + + if (try) + cs->error_idx = i; + + if (cs->ctrl_class && V4L2_CTRL_ID2CLASS(id) != cs->ctrl_class) + return -EINVAL; + + /* Old-style private controls are not allowed for + extended controls */ + if (id >= V4L2_CID_PRIVATE_BASE) + return -EINVAL; + ctrl = v4l2_ctrl_find(hdl, id); + if (ctrl == NULL) + return -EINVAL; + if (ctrl->flags & V4L2_CTRL_FLAG_DISABLED) + return -EINVAL; + + helpers[i].ctrl = ctrl; + helpers[i].handled = false; + } + return 0; +} + +typedef int (*cluster_func)(struct v4l2_ext_control *c, + struct v4l2_ctrl *ctrl); + +/* Walk over all controls in v4l2_ext_controls belonging to the same cluster + and call the provided function. */ +static int cluster_walk(unsigned from, + struct v4l2_ext_controls *cs, + struct ctrl_helper *helpers, + cluster_func f) +{ + struct v4l2_ctrl **cluster = helpers[from].ctrl->cluster; + int ret = 0; + int i; + + /* Find any controls from the same cluster and call the function */ + for (i = from; !ret && i < cs->count; i++) { + struct v4l2_ctrl *ctrl = helpers[i].ctrl; + + if (!helpers[i].handled && ctrl->cluster == cluster) + ret = f(&cs->controls[i], ctrl); + } + return ret; +} + +static void cluster_done(unsigned from, + struct v4l2_ext_controls *cs, + struct ctrl_helper *helpers) +{ + struct v4l2_ctrl **cluster = helpers[from].ctrl->cluster; + int i; + + /* Find any controls from the same cluster and mark them as handled */ + for (i = from; i < cs->count; i++) + if (helpers[i].ctrl->cluster == cluster) + helpers[i].handled = true; +} + +/* Handles the corner case where cs->count == 0. It checks whether the + specified control class exists. If that class ID is 0, then it checks + whether there are any controls at all. */ +static int class_check(struct v4l2_ctrl_handler *hdl, u32 ctrl_class) +{ + if (ctrl_class == 0) + return list_empty(&hdl->ctrl_refs) ? -EINVAL : 0; + return find_ref_lock(hdl, ctrl_class | 1) ? 0 : -EINVAL; +} + + + +/* Get extended controls. Allocates the helpers array if needed. */ +int v4l2_g_ext_ctrls(struct v4l2_ctrl_handler *hdl, struct v4l2_ext_controls *cs) +{ + struct ctrl_helper helper[4]; + struct ctrl_helper *helpers = helper; + int ret; + int i; + + cs->error_idx = cs->count; + cs->ctrl_class = V4L2_CTRL_ID2CLASS(cs->ctrl_class); + + if (hdl == NULL) + return -EINVAL; + + if (cs->count == 0) + return class_check(hdl, cs->ctrl_class); + + if (cs->count > ARRAY_SIZE(helper)) { + helpers = kmalloc(sizeof(helper[0]) * cs->count, GFP_KERNEL); + if (helpers == NULL) + return -ENOMEM; + } + + ret = prepare_ext_ctrls(hdl, cs, helpers, false); + + for (i = 0; !ret && i < cs->count; i++) + if (helpers[i].ctrl->flags & V4L2_CTRL_FLAG_WRITE_ONLY) + ret = -EACCES; + + for (i = 0; !ret && i < cs->count; i++) { + struct v4l2_ctrl *ctrl = helpers[i].ctrl; + struct v4l2_ctrl *master = ctrl->cluster[0]; + + if (helpers[i].handled) + continue; + + cs->error_idx = i; + + v4l2_ctrl_lock(master); + /* g_volatile_ctrl will update the current control values */ + if (ctrl->is_volatile && master->ops->g_volatile_ctrl) + ret = master->ops->g_volatile_ctrl(master); + /* If OK, then copy the current control values to the caller */ + if (!ret) + ret = cluster_walk(i, cs, helpers, cur_to_user); + v4l2_ctrl_unlock(master); + cluster_done(i, cs, helpers); + } + + if (cs->count > ARRAY_SIZE(helper)) + kfree(helpers); + return ret; +} +EXPORT_SYMBOL(v4l2_g_ext_ctrls); + +int v4l2_subdev_g_ext_ctrls(struct v4l2_subdev *sd, struct v4l2_ext_controls *cs) +{ + return v4l2_g_ext_ctrls(sd->ctrl_handler, cs); +} +EXPORT_SYMBOL(v4l2_subdev_g_ext_ctrls); + +/* Helper function to get a single control */ +static int get_ctrl(struct v4l2_ctrl *ctrl, s32 *val) +{ + struct v4l2_ctrl *master = ctrl->cluster[0]; + int ret = 0; + + if (ctrl->flags & V4L2_CTRL_FLAG_WRITE_ONLY) + return -EACCES; + + v4l2_ctrl_lock(master); + /* g_volatile_ctrl will update the current control values */ + if (ctrl->is_volatile && master->ops->g_volatile_ctrl) + ret = master->ops->g_volatile_ctrl(master); + *val = ctrl->cur.val; + v4l2_ctrl_unlock(master); + return ret; +} + +int v4l2_g_ctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_control *control) +{ + struct v4l2_ctrl *ctrl = v4l2_ctrl_find(hdl, control->id); + + if (ctrl == NULL || !type_is_int(ctrl)) + return -EINVAL; + return get_ctrl(ctrl, &control->value); +} +EXPORT_SYMBOL(v4l2_g_ctrl); + +int v4l2_subdev_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *control) +{ + return v4l2_g_ctrl(sd->ctrl_handler, control); +} +EXPORT_SYMBOL(v4l2_subdev_g_ctrl); + +s32 v4l2_ctrl_g_ctrl(struct v4l2_ctrl *ctrl) +{ + s32 val = 0; + + /* It's a driver bug if this happens. */ + WARN_ON(!type_is_int(ctrl)); + get_ctrl(ctrl, &val); + return val; +} +EXPORT_SYMBOL(v4l2_ctrl_g_ctrl); + + +/* Core function that calls try/s_ctrl and ensures that the new value is + copied to the current value on a set. + Must be called with ctrl->handler->lock held. */ +static int try_or_set_control_cluster(struct v4l2_ctrl *master, bool set) +{ + bool try = !set; + int ret = 0; + int i; + + /* Go through the cluster and either validate the new value or + (if no new value was set), copy the current value to the new + value, ensuring a consistent view for the control ops when + called. */ + for (i = 0; !ret && i < master->ncontrols; i++) { + struct v4l2_ctrl *ctrl = master->cluster[i]; + + if (ctrl == NULL) + continue; + + if (ctrl->has_new) { + /* Double check this: it may have changed since the + last check in try_or_set_ext_ctrls(). */ + if (set && (ctrl->flags & V4L2_CTRL_FLAG_GRABBED)) + return -EBUSY; + + /* Validate if required */ + if (!set) + ret = validate_new(ctrl); + continue; + } + /* No new value was set, so copy the current and force + a call to try_ctrl later, since the values for the cluster + may now have changed and the end result might be invalid. */ + try = true; + cur_to_new(ctrl); + } + + /* For larger clusters you have to call try_ctrl again to + verify that the controls are still valid after the + 'cur_to_new' above. */ + if (!ret && master->ops->try_ctrl && try) + ret = master->ops->try_ctrl(master); + + /* Don't set if there is no change */ + if (!ret && set && cluster_changed(master)) { + ret = master->ops->s_ctrl(master); + /* If OK, then make the new values permanent. */ + if (!ret) + for (i = 0; i < master->ncontrols; i++) + new_to_cur(master->cluster[i]); + } + return ret; +} + +/* Try or set controls. */ +static int try_or_set_ext_ctrls(struct v4l2_ctrl_handler *hdl, + struct v4l2_ext_controls *cs, + struct ctrl_helper *helpers, + bool set) +{ + unsigned i, j; + int ret = 0; + + cs->error_idx = cs->count; + for (i = 0; i < cs->count; i++) { + struct v4l2_ctrl *ctrl = helpers[i].ctrl; + + if (!set) + cs->error_idx = i; + + if (ctrl->flags & V4L2_CTRL_FLAG_READ_ONLY) + return -EACCES; + /* This test is also done in try_set_control_cluster() which + is called in atomic context, so that has the final say, + but it makes sense to do an up-front check as well. Once + an error occurs in try_set_control_cluster() some other + controls may have been set already and we want to do a + best-effort to avoid that. */ + if (set && (ctrl->flags & V4L2_CTRL_FLAG_GRABBED)) + return -EBUSY; + } + + for (i = 0; !ret && i < cs->count; i++) { + struct v4l2_ctrl *ctrl = helpers[i].ctrl; + struct v4l2_ctrl *master = ctrl->cluster[0]; + + cs->error_idx = i; + + if (helpers[i].handled) + continue; + + v4l2_ctrl_lock(ctrl); + + /* Reset the 'has_new' flags of the cluster */ + for (j = 0; j < master->ncontrols; j++) + if (master->cluster[j]) + master->cluster[j]->has_new = 0; + + /* Copy the new caller-supplied control values. + user_to_new() sets 'has_new' to 1. */ + ret = cluster_walk(i, cs, helpers, user_to_new); + + if (!ret) + ret = try_or_set_control_cluster(master, set); + + /* Copy the new values back to userspace. */ + if (!ret) + ret = cluster_walk(i, cs, helpers, new_to_user); + + v4l2_ctrl_unlock(ctrl); + cluster_done(i, cs, helpers); + } + return ret; +} + +/* Try or try-and-set controls */ +static int try_set_ext_ctrls(struct v4l2_ctrl_handler *hdl, + struct v4l2_ext_controls *cs, + bool set) +{ + struct ctrl_helper helper[4]; + struct ctrl_helper *helpers = helper; + int ret; + int i; + + cs->error_idx = cs->count; + cs->ctrl_class = V4L2_CTRL_ID2CLASS(cs->ctrl_class); + + if (hdl == NULL) + return -EINVAL; + + if (cs->count == 0) + return class_check(hdl, cs->ctrl_class); + + if (cs->count > ARRAY_SIZE(helper)) { + helpers = kmalloc(sizeof(helper[0]) * cs->count, GFP_KERNEL); + if (!helpers) + return -ENOMEM; + } + ret = prepare_ext_ctrls(hdl, cs, helpers, !set); + if (ret) + goto free; + + /* First 'try' all controls and abort on error */ + ret = try_or_set_ext_ctrls(hdl, cs, helpers, false); + /* If this is a 'set' operation and the initial 'try' failed, + then set error_idx to count to tell the application that no + controls changed value yet. */ + if (set) + cs->error_idx = cs->count; + if (!ret && set) { + /* Reset 'handled' state */ + for (i = 0; i < cs->count; i++) + helpers[i].handled = false; + ret = try_or_set_ext_ctrls(hdl, cs, helpers, true); + } + +free: + if (cs->count > ARRAY_SIZE(helper)) + kfree(helpers); + return ret; +} + +int v4l2_try_ext_ctrls(struct v4l2_ctrl_handler *hdl, struct v4l2_ext_controls *cs) +{ + return try_set_ext_ctrls(hdl, cs, false); +} +EXPORT_SYMBOL(v4l2_try_ext_ctrls); + +int v4l2_s_ext_ctrls(struct v4l2_ctrl_handler *hdl, struct v4l2_ext_controls *cs) +{ + return try_set_ext_ctrls(hdl, cs, true); +} +EXPORT_SYMBOL(v4l2_s_ext_ctrls); + +int v4l2_subdev_try_ext_ctrls(struct v4l2_subdev *sd, struct v4l2_ext_controls *cs) +{ + return try_set_ext_ctrls(sd->ctrl_handler, cs, false); +} +EXPORT_SYMBOL(v4l2_subdev_try_ext_ctrls); + +int v4l2_subdev_s_ext_ctrls(struct v4l2_subdev *sd, struct v4l2_ext_controls *cs) +{ + return try_set_ext_ctrls(sd->ctrl_handler, cs, true); +} +EXPORT_SYMBOL(v4l2_subdev_s_ext_ctrls); + +/* Helper function for VIDIOC_S_CTRL compatibility */ +static int set_ctrl(struct v4l2_ctrl *ctrl, s32 *val) +{ + struct v4l2_ctrl *master = ctrl->cluster[0]; + int ret; + int i; + + v4l2_ctrl_lock(ctrl); + + /* Reset the 'has_new' flags of the cluster */ + for (i = 0; i < master->ncontrols; i++) + if (master->cluster[i]) + master->cluster[i]->has_new = 0; + + ctrl->val = *val; + ctrl->has_new = 1; + ret = try_or_set_control_cluster(master, false); + if (!ret) + ret = try_or_set_control_cluster(master, true); + *val = ctrl->cur.val; + v4l2_ctrl_unlock(ctrl); + return ret; +} + +int v4l2_s_ctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_control *control) +{ + struct v4l2_ctrl *ctrl = v4l2_ctrl_find(hdl, control->id); + + if (ctrl == NULL || !type_is_int(ctrl)) + return -EINVAL; + + return set_ctrl(ctrl, &control->value); +} +EXPORT_SYMBOL(v4l2_s_ctrl); + +int v4l2_subdev_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *control) +{ + return v4l2_s_ctrl(sd->ctrl_handler, control); +} +EXPORT_SYMBOL(v4l2_subdev_s_ctrl); + +int v4l2_ctrl_s_ctrl(struct v4l2_ctrl *ctrl, s32 val) +{ + /* It's a driver bug if this happens. */ + WARN_ON(!type_is_int(ctrl)); + return set_ctrl(ctrl, &val); +} +EXPORT_SYMBOL(v4l2_ctrl_s_ctrl); diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c index 9e89bf6..cb77197 100644 --- a/drivers/media/video/v4l2-dev.c +++ b/drivers/media/video/v4l2-dev.c @@ -25,6 +25,7 @@ #include <linux/init.h> #include <linux/kmod.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <asm/system.h> @@ -215,28 +216,24 @@ static unsigned int v4l2_poll(struct file *filp, struct poll_table_struct *poll) return vdev->fops->poll(filp, poll); } -static int v4l2_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +static long v4l2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { struct video_device *vdev = video_devdata(filp); + int ret; - if (!vdev->fops->ioctl) - return -ENOTTY; /* Allow ioctl to continue even if the device was unregistered. Things like dequeueing buffers might still be useful. */ - return vdev->fops->ioctl(filp, cmd, arg); -} - -static long v4l2_unlocked_ioctl(struct file *filp, - unsigned int cmd, unsigned long arg) -{ - struct video_device *vdev = video_devdata(filp); + if (vdev->fops->unlocked_ioctl) { + ret = vdev->fops->unlocked_ioctl(filp, cmd, arg); + } else if (vdev->fops->ioctl) { + /* TODO: convert all drivers to unlocked_ioctl */ + lock_kernel(); + ret = vdev->fops->ioctl(filp, cmd, arg); + unlock_kernel(); + } else + ret = -ENOTTY; - if (!vdev->fops->unlocked_ioctl) - return -ENOTTY; - /* Allow ioctl to continue even if the device was unregistered. - Things like dequeueing buffers might still be useful. */ - return vdev->fops->unlocked_ioctl(filp, cmd, arg); + return ret; } #ifdef CONFIG_MMU @@ -307,22 +304,6 @@ static int v4l2_release(struct inode *inode, struct file *filp) return ret; } -static const struct file_operations v4l2_unlocked_fops = { - .owner = THIS_MODULE, - .read = v4l2_read, - .write = v4l2_write, - .open = v4l2_open, - .get_unmapped_area = v4l2_get_unmapped_area, - .mmap = v4l2_mmap, - .unlocked_ioctl = v4l2_unlocked_ioctl, -#ifdef CONFIG_COMPAT - .compat_ioctl = v4l2_compat_ioctl32, -#endif - .release = v4l2_release, - .poll = v4l2_poll, - .llseek = no_llseek, -}; - static const struct file_operations v4l2_fops = { .owner = THIS_MODULE, .read = v4l2_read, @@ -330,7 +311,7 @@ static const struct file_operations v4l2_fops = { .open = v4l2_open, .get_unmapped_area = v4l2_get_unmapped_area, .mmap = v4l2_mmap, - .ioctl = v4l2_ioctl, + .unlocked_ioctl = v4l2_ioctl, #ifdef CONFIG_COMPAT .compat_ioctl = v4l2_compat_ioctl32, #endif @@ -447,8 +428,12 @@ static int __video_register_device(struct video_device *vdev, int type, int nr, vdev->vfl_type = type; vdev->cdev = NULL; - if (vdev->v4l2_dev && vdev->v4l2_dev->dev) - vdev->parent = vdev->v4l2_dev->dev; + if (vdev->v4l2_dev) { + if (vdev->v4l2_dev->dev) + vdev->parent = vdev->v4l2_dev->dev; + if (vdev->ctrl_handler == NULL) + vdev->ctrl_handler = vdev->v4l2_dev->ctrl_handler; + } /* Part 2: find a free minor, device node number and device index. */ #ifdef CONFIG_VIDEO_FIXED_MINOR_RANGES @@ -521,10 +506,7 @@ static int __video_register_device(struct video_device *vdev, int type, int nr, ret = -ENOMEM; goto cleanup; } - if (vdev->fops->unlocked_ioctl) - vdev->cdev->ops = &v4l2_unlocked_fops; - else - vdev->cdev->ops = &v4l2_fops; + vdev->cdev->ops = &v4l2_fops; vdev->cdev->owner = vdev->fops->owner; ret = cdev_add(vdev->cdev, MKDEV(VIDEO_MAJOR, vdev->minor), 1); if (ret < 0) { diff --git a/drivers/media/video/v4l2-device.c b/drivers/media/video/v4l2-device.c index 5a7dc4a..0b08f96 100644 --- a/drivers/media/video/v4l2-device.c +++ b/drivers/media/video/v4l2-device.c @@ -26,6 +26,7 @@ #endif #include <linux/videodev2.h> #include <media/v4l2-device.h> +#include <media/v4l2-ctrls.h> int v4l2_device_register(struct device *dev, struct v4l2_device *v4l2_dev) { @@ -115,6 +116,8 @@ EXPORT_SYMBOL_GPL(v4l2_device_unregister); int v4l2_device_register_subdev(struct v4l2_device *v4l2_dev, struct v4l2_subdev *sd) { + int err; + /* Check for valid input */ if (v4l2_dev == NULL || sd == NULL || !sd->name[0]) return -EINVAL; @@ -122,6 +125,10 @@ int v4l2_device_register_subdev(struct v4l2_device *v4l2_dev, WARN_ON(sd->v4l2_dev != NULL); if (!try_module_get(sd->owner)) return -ENODEV; + /* This just returns 0 if either of the two args is NULL */ + err = v4l2_ctrl_add_handler(v4l2_dev->ctrl_handler, sd->ctrl_handler); + if (err) + return err; sd->v4l2_dev = v4l2_dev; spin_lock(&v4l2_dev->lock); list_add_tail(&sd->list, &v4l2_dev->subdevs); diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c index 0eeceae..dd9283f 100644 --- a/drivers/media/video/v4l2-ioctl.c +++ b/drivers/media/video/v4l2-ioctl.c @@ -26,6 +26,7 @@ #endif #include <media/v4l2-common.h> #include <media/v4l2-ioctl.h> +#include <media/v4l2-ctrls.h> #include <media/v4l2-fh.h> #include <media/v4l2-event.h> #include <media/v4l2-chip-ident.h> @@ -1259,9 +1260,12 @@ static long __video_do_ioctl(struct file *file, { struct v4l2_queryctrl *p = arg; - if (!ops->vidioc_queryctrl) + if (vfd->ctrl_handler) + ret = v4l2_queryctrl(vfd->ctrl_handler, p); + else if (ops->vidioc_queryctrl) + ret = ops->vidioc_queryctrl(file, fh, p); + else break; - ret = ops->vidioc_queryctrl(file, fh, p); if (!ret) dbgarg(cmd, "id=0x%x, type=%d, name=%s, min/max=%d/%d, " "step=%d, default=%d, flags=0x%08x\n", @@ -1276,7 +1280,9 @@ static long __video_do_ioctl(struct file *file, { struct v4l2_control *p = arg; - if (ops->vidioc_g_ctrl) + if (vfd->ctrl_handler) + ret = v4l2_g_ctrl(vfd->ctrl_handler, p); + else if (ops->vidioc_g_ctrl) ret = ops->vidioc_g_ctrl(file, fh, p); else if (ops->vidioc_g_ext_ctrls) { struct v4l2_ext_controls ctrls; @@ -1306,11 +1312,16 @@ static long __video_do_ioctl(struct file *file, struct v4l2_ext_controls ctrls; struct v4l2_ext_control ctrl; - if (!ops->vidioc_s_ctrl && !ops->vidioc_s_ext_ctrls) + if (!vfd->ctrl_handler && + !ops->vidioc_s_ctrl && !ops->vidioc_s_ext_ctrls) break; dbgarg(cmd, "id=0x%x, value=%d\n", p->id, p->value); + if (vfd->ctrl_handler) { + ret = v4l2_s_ctrl(vfd->ctrl_handler, p); + break; + } if (ops->vidioc_s_ctrl) { ret = ops->vidioc_s_ctrl(file, fh, p); break; @@ -1332,10 +1343,12 @@ static long __video_do_ioctl(struct file *file, struct v4l2_ext_controls *p = arg; p->error_idx = p->count; - if (!ops->vidioc_g_ext_ctrls) - break; - if (check_ext_ctrls(p, 0)) + if (vfd->ctrl_handler) + ret = v4l2_g_ext_ctrls(vfd->ctrl_handler, p); + else if (ops->vidioc_g_ext_ctrls && check_ext_ctrls(p, 0)) ret = ops->vidioc_g_ext_ctrls(file, fh, p); + else + break; v4l_print_ext_ctrls(cmd, vfd, p, !ret); break; } @@ -1344,10 +1357,12 @@ static long __video_do_ioctl(struct file *file, struct v4l2_ext_controls *p = arg; p->error_idx = p->count; - if (!ops->vidioc_s_ext_ctrls) + if (!vfd->ctrl_handler && !ops->vidioc_s_ext_ctrls) break; v4l_print_ext_ctrls(cmd, vfd, p, 1); - if (check_ext_ctrls(p, 0)) + if (vfd->ctrl_handler) + ret = v4l2_s_ext_ctrls(vfd->ctrl_handler, p); + else if (check_ext_ctrls(p, 0)) ret = ops->vidioc_s_ext_ctrls(file, fh, p); break; } @@ -1356,10 +1371,12 @@ static long __video_do_ioctl(struct file *file, struct v4l2_ext_controls *p = arg; p->error_idx = p->count; - if (!ops->vidioc_try_ext_ctrls) + if (!vfd->ctrl_handler && !ops->vidioc_try_ext_ctrls) break; v4l_print_ext_ctrls(cmd, vfd, p, 1); - if (check_ext_ctrls(p, 0)) + if (vfd->ctrl_handler) + ret = v4l2_try_ext_ctrls(vfd->ctrl_handler, p); + else if (check_ext_ctrls(p, 0)) ret = ops->vidioc_try_ext_ctrls(file, fh, p); break; } @@ -1367,9 +1384,12 @@ static long __video_do_ioctl(struct file *file, { struct v4l2_querymenu *p = arg; - if (!ops->vidioc_querymenu) + if (vfd->ctrl_handler) + ret = v4l2_querymenu(vfd->ctrl_handler, p); + else if (ops->vidioc_querymenu) + ret = ops->vidioc_querymenu(file, fh, p); + else break; - ret = ops->vidioc_querymenu(file, fh, p); if (!ret) dbgarg(cmd, "id=0x%x, index=%d, name=%s\n", p->id, p->index, p->name); diff --git a/drivers/media/video/wm8739.c b/drivers/media/video/wm8739.c index a11b99b..d596554 100644 --- a/drivers/media/video/wm8739.c +++ b/drivers/media/video/wm8739.c @@ -27,11 +27,11 @@ #include <linux/ioctl.h> #include <asm/uaccess.h> #include <linux/i2c.h> -#include <linux/i2c-id.h> #include <linux/videodev2.h> #include <media/v4l2-device.h> #include <media/v4l2-chip-ident.h> #include <media/v4l2-i2c-drv.h> +#include <media/v4l2-ctrls.h> MODULE_DESCRIPTION("wm8739 driver"); MODULE_AUTHOR("T. Adachi, Hans Verkuil"); @@ -54,12 +54,14 @@ enum { struct wm8739_state { struct v4l2_subdev sd; + struct v4l2_ctrl_handler hdl; + struct { + /* audio cluster */ + struct v4l2_ctrl *volume; + struct v4l2_ctrl *mute; + struct v4l2_ctrl *balance; + }; u32 clock_freq; - u8 muted; - u16 volume; - u16 balance; - u8 vol_l; /* +12dB to -34.5dB 1.5dB step (5bit) def:0dB */ - u8 vol_r; /* +12dB to -34.5dB 1.5dB step (5bit) def:0dB */ }; static inline struct wm8739_state *to_state(struct v4l2_subdev *sd) @@ -67,6 +69,11 @@ static inline struct wm8739_state *to_state(struct v4l2_subdev *sd) return container_of(sd, struct wm8739_state, sd); } +static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) +{ + return &container_of(ctrl->handler, struct wm8739_state, hdl)->sd; +} + /* ------------------------------------------------------------------------ */ static int wm8739_write(struct v4l2_subdev *sd, int reg, u16 val) @@ -89,58 +96,17 @@ static int wm8739_write(struct v4l2_subdev *sd, int reg, u16 val) return -1; } -/* write regs to set audio volume etc */ -static void wm8739_set_audio(struct v4l2_subdev *sd) -{ - struct wm8739_state *state = to_state(sd); - u16 mute = state->muted ? 0x80 : 0; - - /* Volume setting: bits 0-4, 0x1f = 12 dB, 0x00 = -34.5 dB - * Default setting: 0x17 = 0 dB - */ - wm8739_write(sd, R0, (state->vol_l & 0x1f) | mute); - wm8739_write(sd, R1, (state->vol_r & 0x1f) | mute); -} - -static int wm8739_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) -{ - struct wm8739_state *state = to_state(sd); - - switch (ctrl->id) { - case V4L2_CID_AUDIO_MUTE: - ctrl->value = state->muted; - break; - - case V4L2_CID_AUDIO_VOLUME: - ctrl->value = state->volume; - break; - - case V4L2_CID_AUDIO_BALANCE: - ctrl->value = state->balance; - break; - - default: - return -EINVAL; - } - return 0; -} - -static int wm8739_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) +static int wm8739_s_ctrl(struct v4l2_ctrl *ctrl) { + struct v4l2_subdev *sd = to_sd(ctrl); struct wm8739_state *state = to_state(sd); unsigned int work_l, work_r; + u8 vol_l; /* +12dB to -34.5dB 1.5dB step (5bit) def:0dB */ + u8 vol_r; /* +12dB to -34.5dB 1.5dB step (5bit) def:0dB */ + u16 mute; switch (ctrl->id) { - case V4L2_CID_AUDIO_MUTE: - state->muted = ctrl->value; - break; - case V4L2_CID_AUDIO_VOLUME: - state->volume = ctrl->value; - break; - - case V4L2_CID_AUDIO_BALANCE: - state->balance = ctrl->value; break; default: @@ -148,52 +114,25 @@ static int wm8739_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) } /* normalize ( 65535 to 0 -> 31 to 0 (12dB to -34.5dB) ) */ - work_l = (min(65536 - state->balance, 32768) * state->volume) / 32768; - work_r = (min(state->balance, (u16)32768) * state->volume) / 32768; + work_l = (min(65536 - state->balance->val, 32768) * state->volume->val) / 32768; + work_r = (min(state->balance->val, 32768) * state->volume->val) / 32768; - state->vol_l = (long)work_l * 31 / 65535; - state->vol_r = (long)work_r * 31 / 65535; + vol_l = (long)work_l * 31 / 65535; + vol_r = (long)work_r * 31 / 65535; /* set audio volume etc. */ - wm8739_set_audio(sd); + mute = state->mute->val ? 0x80 : 0; + + /* Volume setting: bits 0-4, 0x1f = 12 dB, 0x00 = -34.5 dB + * Default setting: 0x17 = 0 dB + */ + wm8739_write(sd, R0, (vol_l & 0x1f) | mute); + wm8739_write(sd, R1, (vol_r & 0x1f) | mute); return 0; } /* ------------------------------------------------------------------------ */ -static struct v4l2_queryctrl wm8739_qctrl[] = { - { - .id = V4L2_CID_AUDIO_VOLUME, - .name = "Volume", - .minimum = 0, - .maximum = 65535, - .step = 65535/100, - .default_value = 58880, - .flags = 0, - .type = V4L2_CTRL_TYPE_INTEGER, - }, { - .id = V4L2_CID_AUDIO_MUTE, - .name = "Mute", - .minimum = 0, - .maximum = 1, - .step = 1, - .default_value = 1, - .flags = 0, - .type = V4L2_CTRL_TYPE_BOOLEAN, - }, { - .id = V4L2_CID_AUDIO_BALANCE, - .name = "Balance", - .minimum = 0, - .maximum = 65535, - .step = 65535/100, - .default_value = 32768, - .flags = 0, - .type = V4L2_CTRL_TYPE_INTEGER, - } -}; - -/* ------------------------------------------------------------------------ */ - static int wm8739_s_clock_freq(struct v4l2_subdev *sd, u32 audiofreq) { struct wm8739_state *state = to_state(sd); @@ -222,18 +161,6 @@ static int wm8739_s_clock_freq(struct v4l2_subdev *sd, u32 audiofreq) return 0; } -static int wm8739_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(wm8739_qctrl); i++) - if (qc->id && qc->id == wm8739_qctrl[i].id) { - memcpy(qc, &wm8739_qctrl[i], sizeof(*qc)); - return 0; - } - return -EINVAL; -} - static int wm8739_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip) { struct i2c_client *client = v4l2_get_subdevdata(sd); @@ -246,21 +173,26 @@ static int wm8739_log_status(struct v4l2_subdev *sd) struct wm8739_state *state = to_state(sd); v4l2_info(sd, "Frequency: %u Hz\n", state->clock_freq); - v4l2_info(sd, "Volume L: %02x%s\n", state->vol_l & 0x1f, - state->muted ? " (muted)" : ""); - v4l2_info(sd, "Volume R: %02x%s\n", state->vol_r & 0x1f, - state->muted ? " (muted)" : ""); + v4l2_ctrl_handler_log_status(&state->hdl, sd->name); return 0; } /* ----------------------------------------------------------------------- */ +static const struct v4l2_ctrl_ops wm8739_ctrl_ops = { + .s_ctrl = wm8739_s_ctrl, +}; + static const struct v4l2_subdev_core_ops wm8739_core_ops = { .log_status = wm8739_log_status, .g_chip_ident = wm8739_g_chip_ident, - .queryctrl = wm8739_queryctrl, - .g_ctrl = wm8739_g_ctrl, - .s_ctrl = wm8739_s_ctrl, + .g_ext_ctrls = v4l2_subdev_g_ext_ctrls, + .try_ext_ctrls = v4l2_subdev_try_ext_ctrls, + .s_ext_ctrls = v4l2_subdev_s_ext_ctrls, + .g_ctrl = v4l2_subdev_g_ctrl, + .s_ctrl = v4l2_subdev_s_ctrl, + .queryctrl = v4l2_subdev_queryctrl, + .querymenu = v4l2_subdev_querymenu, }; static const struct v4l2_subdev_audio_ops wm8739_audio_ops = { @@ -289,17 +221,28 @@ static int wm8739_probe(struct i2c_client *client, v4l_info(client, "chip found @ 0x%x (%s)\n", client->addr << 1, client->adapter->name); - state = kmalloc(sizeof(struct wm8739_state), GFP_KERNEL); + state = kzalloc(sizeof(struct wm8739_state), GFP_KERNEL); if (state == NULL) return -ENOMEM; sd = &state->sd; v4l2_i2c_subdev_init(sd, client, &wm8739_ops); - state->vol_l = 0x17; /* 0dB */ - state->vol_r = 0x17; /* 0dB */ - state->muted = 0; - state->balance = 32768; - /* normalize (12dB(31) to -34.5dB(0) [0dB(23)] -> 65535 to 0) */ - state->volume = ((long)state->vol_l + 1) * 65535 / 31; + v4l2_ctrl_handler_init(&state->hdl, 2); + state->volume = v4l2_ctrl_new_std(&state->hdl, &wm8739_ctrl_ops, + V4L2_CID_AUDIO_VOLUME, 0, 65535, 65535 / 100, 50736); + state->mute = v4l2_ctrl_new_std(&state->hdl, &wm8739_ctrl_ops, + V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0); + state->balance = v4l2_ctrl_new_std(&state->hdl, &wm8739_ctrl_ops, + V4L2_CID_AUDIO_BALANCE, 0, 65535, 65535 / 100, 32768); + sd->ctrl_handler = &state->hdl; + if (state->hdl.error) { + int err = state->hdl.error; + + v4l2_ctrl_handler_free(&state->hdl); + kfree(state); + return err; + } + v4l2_ctrl_cluster(3, &state->volume); + state->clock_freq = 48000; /* Initialize wm8739 */ @@ -318,15 +261,17 @@ static int wm8739_probe(struct i2c_client *client, /* activate */ wm8739_write(sd, R9, 0x001); /* set volume/mute */ - wm8739_set_audio(sd); + v4l2_ctrl_handler_setup(&state->hdl); return 0; } static int wm8739_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct wm8739_state *state = to_state(sd); v4l2_device_unregister_subdev(sd); + v4l2_ctrl_handler_free(&state->hdl); kfree(to_state(sd)); return 0; } diff --git a/drivers/media/video/wm8775.c b/drivers/media/video/wm8775.c index 5c2ba59..23bad3f 100644 --- a/drivers/media/video/wm8775.c +++ b/drivers/media/video/wm8775.c @@ -35,6 +35,7 @@ #include <linux/videodev2.h> #include <media/v4l2-device.h> #include <media/v4l2-chip-ident.h> +#include <media/v4l2-ctrls.h> #include <media/v4l2-i2c-drv.h> MODULE_DESCRIPTION("wm8775 driver"); @@ -53,8 +54,9 @@ enum { struct wm8775_state { struct v4l2_subdev sd; + struct v4l2_ctrl_handler hdl; + struct v4l2_ctrl *mute; u8 input; /* Last selected input (0-0xf) */ - u8 muted; }; static inline struct wm8775_state *to_state(struct v4l2_subdev *sd) @@ -62,6 +64,11 @@ static inline struct wm8775_state *to_state(struct v4l2_subdev *sd) return container_of(sd, struct wm8775_state, sd); } +static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) +{ + return &container_of(ctrl->handler, struct wm8775_state, hdl)->sd; +} + static int wm8775_write(struct v4l2_subdev *sd, int reg, u16 val) { struct i2c_client *client = v4l2_get_subdevdata(sd); @@ -95,7 +102,7 @@ static int wm8775_s_routing(struct v4l2_subdev *sd, return -EINVAL; } state->input = input; - if (state->muted) + if (!v4l2_ctrl_g_ctrl(state->mute)) return 0; wm8775_write(sd, R21, 0x0c0); wm8775_write(sd, R14, 0x1d4); @@ -104,29 +111,21 @@ static int wm8775_s_routing(struct v4l2_subdev *sd, return 0; } -static int wm8775_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) +static int wm8775_s_ctrl(struct v4l2_ctrl *ctrl) { + struct v4l2_subdev *sd = to_sd(ctrl); struct wm8775_state *state = to_state(sd); - if (ctrl->id != V4L2_CID_AUDIO_MUTE) - return -EINVAL; - ctrl->value = state->muted; - return 0; -} - -static int wm8775_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) -{ - struct wm8775_state *state = to_state(sd); - - if (ctrl->id != V4L2_CID_AUDIO_MUTE) - return -EINVAL; - state->muted = ctrl->value; - wm8775_write(sd, R21, 0x0c0); - wm8775_write(sd, R14, 0x1d4); - wm8775_write(sd, R15, 0x1d4); - if (!state->muted) - wm8775_write(sd, R21, 0x100 + state->input); - return 0; + switch (ctrl->id) { + case V4L2_CID_AUDIO_MUTE: + wm8775_write(sd, R21, 0x0c0); + wm8775_write(sd, R14, 0x1d4); + wm8775_write(sd, R15, 0x1d4); + if (!ctrl->val) + wm8775_write(sd, R21, 0x100 + state->input); + return 0; + } + return -EINVAL; } static int wm8775_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip) @@ -140,8 +139,8 @@ static int wm8775_log_status(struct v4l2_subdev *sd) { struct wm8775_state *state = to_state(sd); - v4l2_info(sd, "Input: %d%s\n", state->input, - state->muted ? " (muted)" : ""); + v4l2_info(sd, "Input: %d\n", state->input); + v4l2_ctrl_handler_log_status(&state->hdl, sd->name); return 0; } @@ -162,11 +161,20 @@ static int wm8775_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *fre /* ----------------------------------------------------------------------- */ +static const struct v4l2_ctrl_ops wm8775_ctrl_ops = { + .s_ctrl = wm8775_s_ctrl, +}; + static const struct v4l2_subdev_core_ops wm8775_core_ops = { .log_status = wm8775_log_status, .g_chip_ident = wm8775_g_chip_ident, - .g_ctrl = wm8775_g_ctrl, - .s_ctrl = wm8775_s_ctrl, + .g_ext_ctrls = v4l2_subdev_g_ext_ctrls, + .try_ext_ctrls = v4l2_subdev_try_ext_ctrls, + .s_ext_ctrls = v4l2_subdev_s_ext_ctrls, + .g_ctrl = v4l2_subdev_g_ctrl, + .s_ctrl = v4l2_subdev_s_ctrl, + .queryctrl = v4l2_subdev_queryctrl, + .querymenu = v4l2_subdev_querymenu, }; static const struct v4l2_subdev_tuner_ops wm8775_tuner_ops = { @@ -205,13 +213,24 @@ static int wm8775_probe(struct i2c_client *client, v4l_info(client, "chip found @ 0x%02x (%s)\n", client->addr << 1, client->adapter->name); - state = kmalloc(sizeof(struct wm8775_state), GFP_KERNEL); + state = kzalloc(sizeof(struct wm8775_state), GFP_KERNEL); if (state == NULL) return -ENOMEM; sd = &state->sd; v4l2_i2c_subdev_init(sd, client, &wm8775_ops); state->input = 2; - state->muted = 0; + + v4l2_ctrl_handler_init(&state->hdl, 1); + state->mute = v4l2_ctrl_new_std(&state->hdl, &wm8775_ctrl_ops, + V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0); + sd->ctrl_handler = &state->hdl; + if (state->hdl.error) { + int err = state->hdl.error; + + v4l2_ctrl_handler_free(&state->hdl); + kfree(state); + return err; + } /* Initialize wm8775 */ @@ -248,9 +267,11 @@ static int wm8775_probe(struct i2c_client *client, static int wm8775_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct wm8775_state *state = to_state(sd); v4l2_device_unregister_subdev(sd); - kfree(to_state(sd)); + v4l2_ctrl_handler_free(&state->hdl); + kfree(state); return 0; } diff --git a/drivers/memstick/core/mspro_block.c b/drivers/memstick/core/mspro_block.c index 8327e24..eef78a0 100644 --- a/drivers/memstick/core/mspro_block.c +++ b/drivers/memstick/core/mspro_block.c @@ -18,6 +18,7 @@ #include <linux/kthread.h> #include <linux/delay.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/memstick.h> #define DRIVER_NAME "mspro_block" @@ -179,6 +180,7 @@ static int mspro_block_bd_open(struct block_device *bdev, fmode_t mode) struct mspro_block_data *msb = disk->private_data; int rc = -ENXIO; + lock_kernel(); mutex_lock(&mspro_block_disk_lock); if (msb && msb->card) { @@ -190,6 +192,7 @@ static int mspro_block_bd_open(struct block_device *bdev, fmode_t mode) } mutex_unlock(&mspro_block_disk_lock); + unlock_kernel(); return rc; } @@ -221,7 +224,11 @@ static int mspro_block_disk_release(struct gendisk *disk) static int mspro_block_bd_release(struct gendisk *disk, fmode_t mode) { - return mspro_block_disk_release(disk); + int ret; + lock_kernel(); + ret = mspro_block_disk_release(disk); + unlock_kernel(); + return ret; } static int mspro_block_bd_getgeo(struct block_device *bdev, @@ -805,7 +812,8 @@ static void mspro_block_start(struct memstick_dev *card) static int mspro_block_prepare_req(struct request_queue *q, struct request *req) { - if (!blk_fs_request(req) && !blk_pc_request(req)) { + if (req->cmd_type != REQ_TYPE_FS && + req->cmd_type != REQ_TYPE_BLOCK_PC) { blk_dump_rq_flags(req, "MSPro unsupported request"); return BLKPREP_KILL; } diff --git a/drivers/message/i2o/i2o_block.c b/drivers/message/i2o/i2o_block.c index fc593fb..e6733bc 100644 --- a/drivers/message/i2o/i2o_block.c +++ b/drivers/message/i2o/i2o_block.c @@ -53,6 +53,7 @@ #include <linux/module.h> #include <linux/slab.h> #include <linux/i2o.h> +#include <linux/smp_lock.h> #include <linux/mempool.h> @@ -577,6 +578,7 @@ static int i2o_block_open(struct block_device *bdev, fmode_t mode) if (!dev->i2o_dev) return -ENODEV; + lock_kernel(); if (dev->power > 0x1f) i2o_block_device_power(dev, 0x02); @@ -585,6 +587,7 @@ static int i2o_block_open(struct block_device *bdev, fmode_t mode) i2o_block_device_lock(dev->i2o_dev, -1); osm_debug("Ready.\n"); + unlock_kernel(); return 0; }; @@ -615,6 +618,7 @@ static int i2o_block_release(struct gendisk *disk, fmode_t mode) if (!dev->i2o_dev) return 0; + lock_kernel(); i2o_block_device_flush(dev->i2o_dev); i2o_block_device_unlock(dev->i2o_dev, -1); @@ -625,6 +629,7 @@ static int i2o_block_release(struct gendisk *disk, fmode_t mode) operation = 0x24; i2o_block_device_power(dev, operation); + unlock_kernel(); return 0; } @@ -652,30 +657,40 @@ static int i2o_block_ioctl(struct block_device *bdev, fmode_t mode, { struct gendisk *disk = bdev->bd_disk; struct i2o_block_device *dev = disk->private_data; + int ret = -ENOTTY; /* Anyone capable of this syscall can do *real bad* things */ if (!capable(CAP_SYS_ADMIN)) return -EPERM; + lock_kernel(); switch (cmd) { case BLKI2OGRSTRAT: - return put_user(dev->rcache, (int __user *)arg); + ret = put_user(dev->rcache, (int __user *)arg); + break; case BLKI2OGWSTRAT: - return put_user(dev->wcache, (int __user *)arg); + ret = put_user(dev->wcache, (int __user *)arg); + break; case BLKI2OSRSTRAT: + ret = -EINVAL; if (arg < 0 || arg > CACHE_SMARTFETCH) - return -EINVAL; + break; dev->rcache = arg; + ret = 0; break; case BLKI2OSWSTRAT: + ret = -EINVAL; if (arg != 0 && (arg < CACHE_WRITETHROUGH || arg > CACHE_SMARTBACK)) - return -EINVAL; + break; dev->wcache = arg; + ret = 0; break; } - return -ENOTTY; + unlock_kernel(); + + return ret; }; /** @@ -883,7 +898,7 @@ static void i2o_block_request_fn(struct request_queue *q) if (!req) break; - if (blk_fs_request(req)) { + if (req->cmd_type == REQ_TYPE_FS) { struct i2o_block_delayed_request *dreq; struct i2o_block_request *ireq = req->special; unsigned int queue_depth; @@ -930,7 +945,8 @@ static const struct block_device_operations i2o_block_fops = { .owner = THIS_MODULE, .open = i2o_block_open, .release = i2o_block_release, - .locked_ioctl = i2o_block_ioctl, + .ioctl = i2o_block_ioctl, + .compat_ioctl = i2o_block_ioctl, .getgeo = i2o_block_getgeo, .media_changed = i2o_block_media_changed }; diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index cb9fbc8..8433cde 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -29,6 +29,7 @@ #include <linux/kdev_t.h> #include <linux/blkdev.h> #include <linux/mutex.h> +#include <linux/smp_lock.h> #include <linux/scatterlist.h> #include <linux/string_helpers.h> @@ -107,6 +108,7 @@ static int mmc_blk_open(struct block_device *bdev, fmode_t mode) struct mmc_blk_data *md = mmc_blk_get(bdev->bd_disk); int ret = -ENXIO; + lock_kernel(); if (md) { if (md->usage == 2) check_disk_change(bdev); @@ -117,6 +119,7 @@ static int mmc_blk_open(struct block_device *bdev, fmode_t mode) ret = -EROFS; } } + unlock_kernel(); return ret; } @@ -125,7 +128,9 @@ static int mmc_blk_release(struct gendisk *disk, fmode_t mode) { struct mmc_blk_data *md = disk->private_data; + lock_kernel(); mmc_blk_put(md); + unlock_kernel(); return 0; } diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c index d6ded24..c77eb49 100644 --- a/drivers/mmc/card/queue.c +++ b/drivers/mmc/card/queue.c @@ -32,7 +32,7 @@ static int mmc_prep_request(struct request_queue *q, struct request *req) /* * We only like normal block requests. */ - if (!blk_fs_request(req)) { + if (req->cmd_type != REQ_TYPE_FS) { blk_dump_rq_flags(req, "MMC bad request"); return BLKPREP_KILL; } @@ -128,7 +128,7 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock mq->req = NULL; blk_queue_prep_rq(mq->queue, mmc_prep_request); - blk_queue_ordered(mq->queue, QUEUE_ORDERED_DRAIN, NULL); + blk_queue_ordered(mq->queue, QUEUE_ORDERED_DRAIN); queue_flag_set_unlocked(QUEUE_FLAG_NONROT, mq->queue); #ifdef CONFIG_MMC_BLOCK_BOUNCE diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig index f8210bf..1e2cbf5 100644 --- a/drivers/mtd/Kconfig +++ b/drivers/mtd/Kconfig @@ -311,15 +311,17 @@ config SM_FTL select MTD_BLKDEVS select MTD_NAND_ECC help - This enables new and very EXPERMENTAL support for SmartMedia/xD + This enables EXPERIMENTAL R/W support for SmartMedia/xD FTL (Flash translation layer). - Write support isn't yet well tested, therefore this code IS likely to - eat your card, so please don't use it together with valuable data. - Use readonly driver (CONFIG_SSFDC) instead. + Write support is only lightly tested, therefore this driver + isn't recommended to use with valuable data (anyway if you have + valuable data, do backups regardless of software/hardware you + use, because you never know what will eat your data...) + If you only need R/O access, you can use older R/O driver + (CONFIG_SSFDC) config MTD_OOPS tristate "Log panic/oops to an MTD buffer" - depends on MTD help This enables panic and oops messages to be logged to a circular buffer in a flash partition where it can be read back at some diff --git a/drivers/mtd/afs.c b/drivers/mtd/afs.c index cec7ab9..302372c 100644 --- a/drivers/mtd/afs.c +++ b/drivers/mtd/afs.c @@ -2,7 +2,7 @@ drivers/mtd/afs.c: ARM Flash Layout/Partitioning - Copyright (C) 2000 ARM Limited + Copyright © 2000 ARM Limited This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c index 62f3ea9..9e2b7e9 100644 --- a/drivers/mtd/chips/cfi_cmdset_0001.c +++ b/drivers/mtd/chips/cfi_cmdset_0001.c @@ -34,7 +34,6 @@ #include <linux/mtd/xip.h> #include <linux/mtd/map.h> #include <linux/mtd/mtd.h> -#include <linux/mtd/compatmac.h> #include <linux/mtd/cfi.h> /* #define CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE */ @@ -63,6 +62,8 @@ static int cfi_intelext_erase_varsize(struct mtd_info *, struct erase_info *); static void cfi_intelext_sync (struct mtd_info *); static int cfi_intelext_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len); static int cfi_intelext_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len); +static int cfi_intelext_is_locked(struct mtd_info *mtd, loff_t ofs, + uint64_t len); #ifdef CONFIG_MTD_OTP static int cfi_intelext_read_fact_prot_reg (struct mtd_info *, loff_t, size_t, size_t *, u_char *); static int cfi_intelext_read_user_prot_reg (struct mtd_info *, loff_t, size_t, size_t *, u_char *); @@ -448,6 +449,7 @@ struct mtd_info *cfi_cmdset_0001(struct map_info *map, int primary) mtd->sync = cfi_intelext_sync; mtd->lock = cfi_intelext_lock; mtd->unlock = cfi_intelext_unlock; + mtd->is_locked = cfi_intelext_is_locked; mtd->suspend = cfi_intelext_suspend; mtd->resume = cfi_intelext_resume; mtd->flags = MTD_CAP_NORFLASH; @@ -717,7 +719,7 @@ static int cfi_intelext_partition_fixup(struct mtd_info *mtd, chip = &newcfi->chips[0]; for (i = 0; i < cfi->numchips; i++) { shared[i].writing = shared[i].erasing = NULL; - spin_lock_init(&shared[i].lock); + mutex_init(&shared[i].lock); for (j = 0; j < numparts; j++) { *chip = cfi->chips[i]; chip->start += j << partshift; @@ -886,7 +888,7 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr */ struct flchip_shared *shared = chip->priv; struct flchip *contender; - spin_lock(&shared->lock); + mutex_lock(&shared->lock); contender = shared->writing; if (contender && contender != chip) { /* @@ -899,7 +901,7 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr * get_chip returns success we're clear to go ahead. */ ret = mutex_trylock(&contender->mutex); - spin_unlock(&shared->lock); + mutex_unlock(&shared->lock); if (!ret) goto retry; mutex_unlock(&chip->mutex); @@ -914,7 +916,7 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr mutex_unlock(&contender->mutex); return ret; } - spin_lock(&shared->lock); + mutex_lock(&shared->lock); /* We should not own chip if it is already * in FL_SYNCING state. Put contender and retry. */ @@ -930,7 +932,7 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr * on this chip. Sleep. */ if (mode == FL_ERASING && shared->erasing && shared->erasing->oldstate == FL_ERASING) { - spin_unlock(&shared->lock); + mutex_unlock(&shared->lock); set_current_state(TASK_UNINTERRUPTIBLE); add_wait_queue(&chip->wq, &wait); mutex_unlock(&chip->mutex); @@ -944,7 +946,7 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr shared->writing = chip; if (mode == FL_ERASING) shared->erasing = chip; - spin_unlock(&shared->lock); + mutex_unlock(&shared->lock); } ret = chip_ready(map, chip, adr, mode); if (ret == -EAGAIN) @@ -959,7 +961,7 @@ static void put_chip(struct map_info *map, struct flchip *chip, unsigned long ad if (chip->priv) { struct flchip_shared *shared = chip->priv; - spin_lock(&shared->lock); + mutex_lock(&shared->lock); if (shared->writing == chip && chip->oldstate == FL_READY) { /* We own the ability to write, but we're done */ shared->writing = shared->erasing; @@ -967,7 +969,7 @@ static void put_chip(struct map_info *map, struct flchip *chip, unsigned long ad /* give back ownership to who we loaned it from */ struct flchip *loaner = shared->writing; mutex_lock(&loaner->mutex); - spin_unlock(&shared->lock); + mutex_unlock(&shared->lock); mutex_unlock(&chip->mutex); put_chip(map, loaner, loaner->start); mutex_lock(&chip->mutex); @@ -985,11 +987,11 @@ static void put_chip(struct map_info *map, struct flchip *chip, unsigned long ad * Don't let the switch below mess things up since * we don't have ownership to resume anything. */ - spin_unlock(&shared->lock); + mutex_unlock(&shared->lock); wake_up(&chip->wq); return; } - spin_unlock(&shared->lock); + mutex_unlock(&shared->lock); } switch(chip->oldstate) { @@ -2139,6 +2141,13 @@ static int cfi_intelext_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len) return ret; } +static int cfi_intelext_is_locked(struct mtd_info *mtd, loff_t ofs, + uint64_t len) +{ + return cfi_varsize_frob(mtd, do_getlockstatus_oneblock, + ofs, len, NULL) ? 1 : 0; +} + #ifdef CONFIG_MTD_OTP typedef int (*otp_op_t)(struct map_info *map, struct flchip *chip, diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index d81079e..3e6c47b 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -33,7 +33,6 @@ #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/reboot.h> -#include <linux/mtd/compatmac.h> #include <linux/mtd/map.h> #include <linux/mtd/mtd.h> #include <linux/mtd/cfi.h> @@ -417,16 +416,26 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary) */ cfi_fixup_major_minor(cfi, extp); + /* + * Valid primary extension versions are: 1.0, 1.1, 1.2, 1.3, 1.4 + * see: http://www.amd.com/us-en/assets/content_type/DownloadableAssets/cfi_r20.pdf, page 19 + * http://www.amd.com/us-en/assets/content_type/DownloadableAssets/cfi_100_20011201.pdf + * http://www.spansion.com/Support/Datasheets/s29ws-p_00_a12_e.pdf + */ if (extp->MajorVersion != '1' || - (extp->MinorVersion < '0' || extp->MinorVersion > '4')) { + (extp->MajorVersion == '1' && (extp->MinorVersion < '0' || extp->MinorVersion > '4'))) { printk(KERN_ERR " Unknown Amd/Fujitsu Extended Query " - "version %c.%c.\n", extp->MajorVersion, - extp->MinorVersion); + "version %c.%c (%#02x/%#02x).\n", + extp->MajorVersion, extp->MinorVersion, + extp->MajorVersion, extp->MinorVersion); kfree(extp); kfree(mtd); return NULL; } + printk(KERN_INFO " Amd/Fujitsu Extended Query version %c.%c.\n", + extp->MajorVersion, extp->MinorVersion); + /* Install our own private info structure */ cfi->cmdset_priv = extp; diff --git a/drivers/mtd/chips/cfi_cmdset_0020.c b/drivers/mtd/chips/cfi_cmdset_0020.c index e54e8c1..314af1f 100644 --- a/drivers/mtd/chips/cfi_cmdset_0020.c +++ b/drivers/mtd/chips/cfi_cmdset_0020.c @@ -33,7 +33,6 @@ #include <linux/mtd/map.h> #include <linux/mtd/cfi.h> #include <linux/mtd/mtd.h> -#include <linux/mtd/compatmac.h> static int cfi_staa_read(struct mtd_info *, loff_t, size_t, size_t *, u_char *); diff --git a/drivers/mtd/chips/cfi_probe.c b/drivers/mtd/chips/cfi_probe.c index b2acd32f..8f5b96a 100644 --- a/drivers/mtd/chips/cfi_probe.c +++ b/drivers/mtd/chips/cfi_probe.c @@ -235,9 +235,9 @@ static int __xipram cfi_chip_setup(struct map_info *map, cfi_qry_mode_off(base, map, cfi); xip_allowed(base, map); - printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n", + printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank. Manufacturer ID %#08x Chip ID %#08x\n", map->name, cfi->interleave, cfi->device_type*8, base, - map->bankwidth*8); + map->bankwidth*8, cfi->mfr, cfi->id); return 1; } diff --git a/drivers/mtd/chips/cfi_util.c b/drivers/mtd/chips/cfi_util.c index d7c2c67..e503b2c 100644 --- a/drivers/mtd/chips/cfi_util.c +++ b/drivers/mtd/chips/cfi_util.c @@ -22,7 +22,6 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/map.h> #include <linux/mtd/cfi.h> -#include <linux/mtd/compatmac.h> int __xipram cfi_qry_present(struct map_info *map, __u32 base, struct cfi_private *cfi) diff --git a/drivers/mtd/chips/chipreg.c b/drivers/mtd/chips/chipreg.c index c857609..da1f96f 100644 --- a/drivers/mtd/chips/chipreg.c +++ b/drivers/mtd/chips/chipreg.c @@ -10,7 +10,6 @@ #include <linux/slab.h> #include <linux/mtd/map.h> #include <linux/mtd/mtd.h> -#include <linux/mtd/compatmac.h> static DEFINE_SPINLOCK(chip_drvs_lock); static LIST_HEAD(chip_drvs_list); diff --git a/drivers/mtd/chips/map_absent.c b/drivers/mtd/chips/map_absent.c index 494d30d..f2b8729 100644 --- a/drivers/mtd/chips/map_absent.c +++ b/drivers/mtd/chips/map_absent.c @@ -25,7 +25,6 @@ #include <linux/init.h> #include <linux/mtd/mtd.h> #include <linux/mtd/map.h> -#include <linux/mtd/compatmac.h> static int map_absent_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *); static int map_absent_write (struct mtd_info *, loff_t, size_t, size_t *, const u_char *); diff --git a/drivers/mtd/chips/map_ram.c b/drivers/mtd/chips/map_ram.c index 6bdc50c..67640cc 100644 --- a/drivers/mtd/chips/map_ram.c +++ b/drivers/mtd/chips/map_ram.c @@ -13,7 +13,6 @@ #include <linux/init.h> #include <linux/mtd/mtd.h> #include <linux/mtd/map.h> -#include <linux/mtd/compatmac.h> static int mapram_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *); diff --git a/drivers/mtd/chips/map_rom.c b/drivers/mtd/chips/map_rom.c index 076090a..593f73d 100644 --- a/drivers/mtd/chips/map_rom.c +++ b/drivers/mtd/chips/map_rom.c @@ -13,7 +13,6 @@ #include <linux/init.h> #include <linux/mtd/mtd.h> #include <linux/mtd/map.h> -#include <linux/mtd/compatmac.h> static int maprom_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *); static int maprom_write (struct mtd_info *, loff_t, size_t, size_t *, const u_char *); diff --git a/drivers/mtd/cmdlinepart.c b/drivers/mtd/cmdlinepart.c index 1479da6..e790f38 100644 --- a/drivers/mtd/cmdlinepart.c +++ b/drivers/mtd/cmdlinepart.c @@ -1,7 +1,22 @@ /* * Read flash partition table from command line * - * Copyright 2002 SYSGO Real-Time Solutions GmbH + * Copyright © 2002 SYSGO Real-Time Solutions GmbH + * Copyright © 2002-2010 David Woodhouse <dwmw2@infradead.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * * The format for the command line is as follows: * diff --git a/drivers/mtd/devices/docecc.c b/drivers/mtd/devices/docecc.c index a19cda5..a99838b 100644 --- a/drivers/mtd/devices/docecc.c +++ b/drivers/mtd/devices/docecc.c @@ -31,7 +31,6 @@ #include <linux/init.h> #include <linux/types.h> -#include <linux/mtd/compatmac.h> /* for min() in older kernels */ #include <linux/mtd/mtd.h> #include <linux/mtd/doc2000.h> diff --git a/drivers/mtd/devices/docprobe.c b/drivers/mtd/devices/docprobe.c index 6e62922..d374603 100644 --- a/drivers/mtd/devices/docprobe.c +++ b/drivers/mtd/devices/docprobe.c @@ -49,7 +49,6 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/nand.h> #include <linux/mtd/doc2000.h> -#include <linux/mtd/compatmac.h> /* Where to look for the devices? */ #ifndef CONFIG_MTD_DOCPROBE_ADDRESS diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index 81e49a9..f90941a 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -16,6 +16,8 @@ */ #include <linux/init.h> +#include <linux/err.h> +#include <linux/errno.h> #include <linux/module.h> #include <linux/device.h> #include <linux/interrupt.h> @@ -639,8 +641,18 @@ static const struct spi_device_id m25p_ids[] = { { "at26df161a", INFO(0x1f4601, 0, 64 * 1024, 32, SECT_4K) }, { "at26df321", INFO(0x1f4701, 0, 64 * 1024, 64, SECT_4K) }, + /* EON -- en25pxx */ + { "en25p32", INFO(0x1c2016, 0, 64 * 1024, 64, 0) }, + { "en25p64", INFO(0x1c2017, 0, 64 * 1024, 128, 0) }, + + /* Intel/Numonyx -- xxxs33b */ + { "160s33b", INFO(0x898911, 0, 64 * 1024, 32, 0) }, + { "320s33b", INFO(0x898912, 0, 64 * 1024, 64, 0) }, + { "640s33b", INFO(0x898913, 0, 64 * 1024, 128, 0) }, + /* Macronix */ { "mx25l4005a", INFO(0xc22013, 0, 64 * 1024, 8, SECT_4K) }, + { "mx25l8005", INFO(0xc22014, 0, 64 * 1024, 16, 0) }, { "mx25l3205d", INFO(0xc22016, 0, 64 * 1024, 64, 0) }, { "mx25l6405d", INFO(0xc22017, 0, 64 * 1024, 128, 0) }, { "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256, 0) }, @@ -680,6 +692,16 @@ static const struct spi_device_id m25p_ids[] = { { "m25p64", INFO(0x202017, 0, 64 * 1024, 128, 0) }, { "m25p128", INFO(0x202018, 0, 256 * 1024, 64, 0) }, + { "m25p05-nonjedec", INFO(0, 0, 32 * 1024, 2, 0) }, + { "m25p10-nonjedec", INFO(0, 0, 32 * 1024, 4, 0) }, + { "m25p20-nonjedec", INFO(0, 0, 64 * 1024, 4, 0) }, + { "m25p40-nonjedec", INFO(0, 0, 64 * 1024, 8, 0) }, + { "m25p80-nonjedec", INFO(0, 0, 64 * 1024, 16, 0) }, + { "m25p16-nonjedec", INFO(0, 0, 64 * 1024, 32, 0) }, + { "m25p32-nonjedec", INFO(0, 0, 64 * 1024, 64, 0) }, + { "m25p64-nonjedec", INFO(0, 0, 64 * 1024, 128, 0) }, + { "m25p128-nonjedec", INFO(0, 0, 256 * 1024, 64, 0) }, + { "m45pe10", INFO(0x204011, 0, 64 * 1024, 2, 0) }, { "m45pe80", INFO(0x204014, 0, 64 * 1024, 16, 0) }, { "m45pe16", INFO(0x204015, 0, 64 * 1024, 32, 0) }, @@ -694,6 +716,7 @@ static const struct spi_device_id m25p_ids[] = { { "w25x80", INFO(0xef3014, 0, 64 * 1024, 16, SECT_4K) }, { "w25x16", INFO(0xef3015, 0, 64 * 1024, 32, SECT_4K) }, { "w25x32", INFO(0xef3016, 0, 64 * 1024, 64, SECT_4K) }, + { "w25q32", INFO(0xef4016, 0, 64 * 1024, 64, SECT_4K) }, { "w25x64", INFO(0xef3017, 0, 64 * 1024, 128, SECT_4K) }, /* Catalyst / On Semiconductor -- non-JEDEC */ @@ -723,7 +746,7 @@ static const struct spi_device_id *__devinit jedec_probe(struct spi_device *spi) if (tmp < 0) { DEBUG(MTD_DEBUG_LEVEL0, "%s: error %d reading JEDEC ID\n", dev_name(&spi->dev), tmp); - return NULL; + return ERR_PTR(tmp); } jedec = id[0]; jedec = jedec << 8; @@ -731,14 +754,6 @@ static const struct spi_device_id *__devinit jedec_probe(struct spi_device *spi) jedec = jedec << 8; jedec |= id[2]; - /* - * Some chips (like Numonyx M25P80) have JEDEC and non-JEDEC variants, - * which depend on technology process. Officially RDID command doesn't - * exist for non-JEDEC chips, but for compatibility they return ID 0. - */ - if (jedec == 0) - return NULL; - ext_jedec = id[3] << 8 | id[4]; for (tmp = 0; tmp < ARRAY_SIZE(m25p_ids) - 1; tmp++) { @@ -749,7 +764,7 @@ static const struct spi_device_id *__devinit jedec_probe(struct spi_device *spi) return &m25p_ids[tmp]; } } - return NULL; + return ERR_PTR(-ENODEV); } @@ -794,9 +809,8 @@ static int __devinit m25p_probe(struct spi_device *spi) const struct spi_device_id *jid; jid = jedec_probe(spi); - if (!jid) { - dev_info(&spi->dev, "non-JEDEC variant of %s\n", - id->name); + if (IS_ERR(jid)) { + return PTR_ERR(jid); } else if (jid != id) { /* * JEDEC knows better, so overwrite platform ID. We @@ -826,11 +840,12 @@ static int __devinit m25p_probe(struct spi_device *spi) dev_set_drvdata(&spi->dev, flash); /* - * Atmel and SST serial flash tend to power + * Atmel, SST and Intel/Numonyx serial flash tend to power * up with the software protection bits set */ if (info->jedec_id >> 16 == 0x1f || + info->jedec_id >> 16 == 0x89 || info->jedec_id >> 16 == 0xbf) { write_enable(flash); write_sr(flash, 0); diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c index 1981740..c5015cc 100644 --- a/drivers/mtd/devices/mtd_dataflash.c +++ b/drivers/mtd/devices/mtd_dataflash.c @@ -141,7 +141,7 @@ static int dataflash_waitready(struct spi_device *spi) */ static int dataflash_erase(struct mtd_info *mtd, struct erase_info *instr) { - struct dataflash *priv = (struct dataflash *)mtd->priv; + struct dataflash *priv = mtd->priv; struct spi_device *spi = priv->spi; struct spi_transfer x = { .tx_dma = 0, }; struct spi_message msg; @@ -231,7 +231,7 @@ static int dataflash_erase(struct mtd_info *mtd, struct erase_info *instr) static int dataflash_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf) { - struct dataflash *priv = (struct dataflash *)mtd->priv; + struct dataflash *priv = mtd->priv; struct spi_transfer x[2] = { { .tx_dma = 0, }, }; struct spi_message msg; unsigned int addr; @@ -304,7 +304,7 @@ static int dataflash_read(struct mtd_info *mtd, loff_t from, size_t len, static int dataflash_write(struct mtd_info *mtd, loff_t to, size_t len, size_t * retlen, const u_char * buf) { - struct dataflash *priv = (struct dataflash *)mtd->priv; + struct dataflash *priv = mtd->priv; struct spi_device *spi = priv->spi; struct spi_transfer x[2] = { { .tx_dma = 0, }, }; struct spi_message msg; @@ -515,7 +515,7 @@ static ssize_t otp_read(struct spi_device *spi, unsigned base, static int dataflash_read_fact_otp(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf) { - struct dataflash *priv = (struct dataflash *)mtd->priv; + struct dataflash *priv = mtd->priv; int status; /* 64 bytes, from 0..63 ... start at 64 on-chip */ @@ -532,7 +532,7 @@ static int dataflash_read_fact_otp(struct mtd_info *mtd, static int dataflash_read_user_otp(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf) { - struct dataflash *priv = (struct dataflash *)mtd->priv; + struct dataflash *priv = mtd->priv; int status; /* 64 bytes, from 0..63 ... start at 0 on-chip */ @@ -553,7 +553,7 @@ static int dataflash_write_user_otp(struct mtd_info *mtd, const size_t l = 4 + 64; uint8_t *scratch; struct spi_transfer t; - struct dataflash *priv = (struct dataflash *)mtd->priv; + struct dataflash *priv = mtd->priv; int status; if (len > 64) diff --git a/drivers/mtd/devices/mtdram.c b/drivers/mtd/devices/mtdram.c index fce5ff7..26a6e80 100644 --- a/drivers/mtd/devices/mtdram.c +++ b/drivers/mtd/devices/mtdram.c @@ -14,7 +14,6 @@ #include <linux/ioport.h> #include <linux/vmalloc.h> #include <linux/init.h> -#include <linux/mtd/compatmac.h> #include <linux/mtd/mtd.h> #include <linux/mtd/mtdram.h> diff --git a/drivers/mtd/devices/pmc551.c b/drivers/mtd/devices/pmc551.c index fc8ea0a..ef0aba0 100644 --- a/drivers/mtd/devices/pmc551.c +++ b/drivers/mtd/devices/pmc551.c @@ -98,7 +98,6 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/pmc551.h> -#include <linux/mtd/compatmac.h> static struct mtd_info *pmc551list; diff --git a/drivers/mtd/devices/sst25l.c b/drivers/mtd/devices/sst25l.c index ab5d8cd..684247a 100644 --- a/drivers/mtd/devices/sst25l.c +++ b/drivers/mtd/devices/sst25l.c @@ -454,7 +454,7 @@ static int __init sst25l_probe(struct spi_device *spi) parts, nr_parts); } - } else if (data->nr_parts) { + } else if (data && data->nr_parts) { dev_warn(&spi->dev, "ignoring %d default partitions on %s\n", data->nr_parts, data->name); } diff --git a/drivers/mtd/ftl.c b/drivers/mtd/ftl.c index 62da9eb..4d6a64c 100644 --- a/drivers/mtd/ftl.c +++ b/drivers/mtd/ftl.c @@ -26,7 +26,7 @@ The initial developer of the original code is David A. Hinds <dahinds@users.sourceforge.net>. Portions created by David A. Hinds - are Copyright (C) 1999 David A. Hinds. All Rights Reserved. + are Copyright © 1999 David A. Hinds. All Rights Reserved. Alternatively, the contents of this file may be used under the terms of the GNU General Public License version 2 (the "GPL"), in diff --git a/drivers/mtd/inftlcore.c b/drivers/mtd/inftlcore.c index 015a7fe..d7592e6 100644 --- a/drivers/mtd/inftlcore.c +++ b/drivers/mtd/inftlcore.c @@ -1,11 +1,11 @@ /* * inftlcore.c -- Linux driver for Inverse Flash Translation Layer (INFTL) * - * (C) Copyright 2002, Greg Ungerer (gerg@snapgear.com) + * Copyright © 2002, Greg Ungerer (gerg@snapgear.com) * * Based heavily on the nftlcore.c code which is: - * (c) 1999 Machine Vision Holdings, Inc. - * Author: David Woodhouse <dwmw2@infradead.org> + * Copyright © 1999 Machine Vision Holdings, Inc. + * Copyright © 1999 David Woodhouse <dwmw2@infradead.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/drivers/mtd/inftlmount.c b/drivers/mtd/inftlmount.c index 8f988d7..104052e 100644 --- a/drivers/mtd/inftlmount.c +++ b/drivers/mtd/inftlmount.c @@ -2,11 +2,11 @@ * inftlmount.c -- INFTL mount code with extensive checks. * * Author: Greg Ungerer (gerg@snapgear.com) - * (C) Copyright 2002-2003, Greg Ungerer (gerg@snapgear.com) + * Copyright © 2002-2003, Greg Ungerer (gerg@snapgear.com) * * Based heavily on the nftlmount.c code which is: * Author: Fabrice Bellard (fabrice.bellard@netgem.com) - * Copyright (C) 2000 Netgem S.A. + * Copyright © 2000 Netgem S.A. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -34,7 +34,6 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/nftl.h> #include <linux/mtd/inftl.h> -#include <linux/mtd/compatmac.h> /* * find_boot_record: Find the INFTL Media Header and its Spare copy which diff --git a/drivers/mtd/lpddr/lpddr_cmds.c b/drivers/mtd/lpddr/lpddr_cmds.c index fece5be..04fdfcc 100644 --- a/drivers/mtd/lpddr/lpddr_cmds.c +++ b/drivers/mtd/lpddr/lpddr_cmds.c @@ -98,7 +98,7 @@ struct mtd_info *lpddr_cmdset(struct map_info *map) numchips = lpddr->numchips / lpddr->qinfo->HWPartsNum; for (i = 0; i < numchips; i++) { shared[i].writing = shared[i].erasing = NULL; - spin_lock_init(&shared[i].lock); + mutex_init(&shared[i].lock); for (j = 0; j < lpddr->qinfo->HWPartsNum; j++) { *chip = lpddr->chips[i]; chip->start += j << lpddr->chipshift; @@ -217,7 +217,7 @@ static int get_chip(struct map_info *map, struct flchip *chip, int mode) */ struct flchip_shared *shared = chip->priv; struct flchip *contender; - spin_lock(&shared->lock); + mutex_lock(&shared->lock); contender = shared->writing; if (contender && contender != chip) { /* @@ -230,7 +230,7 @@ static int get_chip(struct map_info *map, struct flchip *chip, int mode) * get_chip returns success we're clear to go ahead. */ ret = mutex_trylock(&contender->mutex); - spin_unlock(&shared->lock); + mutex_unlock(&shared->lock); if (!ret) goto retry; mutex_unlock(&chip->mutex); @@ -245,7 +245,7 @@ static int get_chip(struct map_info *map, struct flchip *chip, int mode) mutex_unlock(&contender->mutex); return ret; } - spin_lock(&shared->lock); + mutex_lock(&shared->lock); /* We should not own chip if it is already in FL_SYNCING * state. Put contender and retry. */ @@ -261,7 +261,7 @@ static int get_chip(struct map_info *map, struct flchip *chip, int mode) Must sleep in such a case. */ if (mode == FL_ERASING && shared->erasing && shared->erasing->oldstate == FL_ERASING) { - spin_unlock(&shared->lock); + mutex_unlock(&shared->lock); set_current_state(TASK_UNINTERRUPTIBLE); add_wait_queue(&chip->wq, &wait); mutex_unlock(&chip->mutex); @@ -275,7 +275,7 @@ static int get_chip(struct map_info *map, struct flchip *chip, int mode) shared->writing = chip; if (mode == FL_ERASING) shared->erasing = chip; - spin_unlock(&shared->lock); + mutex_unlock(&shared->lock); } ret = chip_ready(map, chip, mode); @@ -348,7 +348,7 @@ static void put_chip(struct map_info *map, struct flchip *chip) { if (chip->priv) { struct flchip_shared *shared = chip->priv; - spin_lock(&shared->lock); + mutex_lock(&shared->lock); if (shared->writing == chip && chip->oldstate == FL_READY) { /* We own the ability to write, but we're done */ shared->writing = shared->erasing; @@ -356,7 +356,7 @@ static void put_chip(struct map_info *map, struct flchip *chip) /* give back the ownership */ struct flchip *loaner = shared->writing; mutex_lock(&loaner->mutex); - spin_unlock(&shared->lock); + mutex_unlock(&shared->lock); mutex_unlock(&chip->mutex); put_chip(map, loaner); mutex_lock(&chip->mutex); @@ -374,11 +374,11 @@ static void put_chip(struct map_info *map, struct flchip *chip) * Don't let the switch below mess things up since * we don't have ownership to resume anything. */ - spin_unlock(&shared->lock); + mutex_unlock(&shared->lock); wake_up(&chip->wq); return; } - spin_unlock(&shared->lock); + mutex_unlock(&shared->lock); } switch (chip->oldstate) { diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index 6629d09..701d942 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -319,14 +319,6 @@ config MTD_CFI_FLAGADM Mapping for the Flaga digital module. If you don't have one, ignore this setting. -config MTD_REDWOOD - tristate "CFI Flash devices mapped on IBM Redwood" - depends on MTD_CFI - help - This enables access routines for the flash chips on the IBM - Redwood board. If you have one of these boards and would like to - use the flash chips on it, say 'Y'. - config MTD_SOLUTIONENGINE tristate "CFI Flash device mapped on Hitachi SolutionEngine" depends on SUPERH && SOLUTION_ENGINE && MTD_CFI && MTD_REDBOOT_PARTS diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile index bb035cd..f216bb5 100644 --- a/drivers/mtd/maps/Makefile +++ b/drivers/mtd/maps/Makefile @@ -44,7 +44,6 @@ obj-$(CONFIG_MTD_AUTCPU12) += autcpu12-nvram.o obj-$(CONFIG_MTD_EDB7312) += edb7312.o obj-$(CONFIG_MTD_IMPA7) += impa7.o obj-$(CONFIG_MTD_FORTUNET) += fortunet.o -obj-$(CONFIG_MTD_REDWOOD) += redwood.o obj-$(CONFIG_MTD_UCLINUX) += uclinux.o obj-$(CONFIG_MTD_NETtel) += nettel.o obj-$(CONFIG_MTD_SCB2_FLASH) += scb2_flash.o diff --git a/drivers/mtd/maps/ixp4xx.c b/drivers/mtd/maps/ixp4xx.c index e0a5e04..1f9fde0 100644 --- a/drivers/mtd/maps/ixp4xx.c +++ b/drivers/mtd/maps/ixp4xx.c @@ -118,7 +118,7 @@ static void ixp4xx_copy_from(struct map_info *map, void *to, *dest++ = BYTE1(data); src += 2; len -= 2; - } + } if (len > 0) *dest++ = BYTE0(flash_read16(src)); @@ -185,6 +185,8 @@ static int ixp4xx_flash_probe(struct platform_device *dev) { struct flash_platform_data *plat = dev->dev.platform_data; struct ixp4xx_flash_info *info; + const char *part_type = NULL; + int nr_parts = 0; int err = -1; if (!plat) @@ -218,9 +220,9 @@ static int ixp4xx_flash_probe(struct platform_device *dev) */ info->map.bankwidth = 2; info->map.name = dev_name(&dev->dev); - info->map.read = ixp4xx_read16, - info->map.write = ixp4xx_probe_write16, - info->map.copy_from = ixp4xx_copy_from, + info->map.read = ixp4xx_read16; + info->map.write = ixp4xx_probe_write16; + info->map.copy_from = ixp4xx_copy_from; info->res = request_mem_region(dev->resource->start, resource_size(dev->resource), @@ -248,11 +250,28 @@ static int ixp4xx_flash_probe(struct platform_device *dev) info->mtd->owner = THIS_MODULE; /* Use the fast version */ - info->map.write = ixp4xx_write16, + info->map.write = ixp4xx_write16; + +#ifdef CONFIG_MTD_PARTITIONS + nr_parts = parse_mtd_partitions(info->mtd, probes, &info->partitions, + dev->resource->start); +#endif + if (nr_parts > 0) { + part_type = "dynamic"; + } else { + info->partitions = plat->parts; + nr_parts = plat->nr_parts; + part_type = "static"; + } + if (nr_parts == 0) { + printk(KERN_NOTICE "IXP4xx flash: no partition info " + "available, registering whole flash\n"); + err = add_mtd_device(info->mtd); + } else { + printk(KERN_NOTICE "IXP4xx flash: using %s partition " + "definition\n", part_type); + err = add_mtd_partitions(info->mtd, info->partitions, nr_parts); - err = parse_mtd_partitions(info->mtd, probes, &info->partitions, dev->resource->start); - if (err > 0) { - err = add_mtd_partitions(info->mtd, info->partitions, err); if(err) printk(KERN_ERR "Could not parse partitions\n"); } diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c index 426461a..4c18b98 100644 --- a/drivers/mtd/maps/physmap.c +++ b/drivers/mtd/maps/physmap.c @@ -106,12 +106,12 @@ static int physmap_flash_probe(struct platform_device *dev) for (i = 0; i < dev->num_resources; i++) { printk(KERN_NOTICE "physmap platform flash device: %.8llx at %.8llx\n", - (unsigned long long)(dev->resource[i].end - dev->resource[i].start + 1), + (unsigned long long)resource_size(&dev->resource[i]), (unsigned long long)dev->resource[i].start); if (!devm_request_mem_region(&dev->dev, dev->resource[i].start, - dev->resource[i].end - dev->resource[i].start + 1, + resource_size(&dev->resource[i]), dev_name(&dev->dev))) { dev_err(&dev->dev, "Could not reserve memory region\n"); err = -ENOMEM; @@ -120,7 +120,7 @@ static int physmap_flash_probe(struct platform_device *dev) info->map[i].name = dev_name(&dev->dev); info->map[i].phys = dev->resource[i].start; - info->map[i].size = dev->resource[i].end - dev->resource[i].start + 1; + info->map[i].size = resource_size(&dev->resource[i]); info->map[i].bankwidth = physmap_data->width; info->map[i].set_vpp = physmap_data->set_vpp; info->map[i].pfow_base = physmap_data->pfow_base; @@ -136,8 +136,12 @@ static int physmap_flash_probe(struct platform_device *dev) simple_map_init(&info->map[i]); probe_type = rom_probe_types; - for (; info->mtd[i] == NULL && *probe_type != NULL; probe_type++) - info->mtd[i] = do_map_probe(*probe_type, &info->map[i]); + if (physmap_data->probe_type == NULL) { + for (; info->mtd[i] == NULL && *probe_type != NULL; probe_type++) + info->mtd[i] = do_map_probe(*probe_type, &info->map[i]); + } else + info->mtd[i] = do_map_probe(physmap_data->probe_type, &info->map[i]); + if (info->mtd[i] == NULL) { dev_err(&dev->dev, "map_probe failed\n"); err = -ENXIO; diff --git a/drivers/mtd/maps/physmap_of.c b/drivers/mtd/maps/physmap_of.c index ba124ba..6ac5f9f 100644 --- a/drivers/mtd/maps/physmap_of.c +++ b/drivers/mtd/maps/physmap_of.c @@ -353,7 +353,7 @@ static int __devinit of_flash_probe(struct of_device *dev, &info->parts, 0); if (err < 0) { of_free_probes(part_probe_types); - return err; + goto err_out; } of_free_probes(part_probe_types); @@ -361,14 +361,14 @@ static int __devinit of_flash_probe(struct of_device *dev, if (err == 0) { err = of_mtd_parse_partitions(&dev->dev, dp, &info->parts); if (err < 0) - return err; + goto err_out; } #endif if (err == 0) { err = parse_obsolete_partitions(dev, info, dp); if (err < 0) - return err; + goto err_out; } if (err > 0) diff --git a/drivers/mtd/maps/redwood.c b/drivers/mtd/maps/redwood.c deleted file mode 100644 index d2c9db0..0000000 --- a/drivers/mtd/maps/redwood.c +++ /dev/null @@ -1,131 +0,0 @@ -/* - * drivers/mtd/maps/redwood.c - * - * FLASH map for the IBM Redwood 4/5/6 boards. - * - * Author: MontaVista Software, Inc. <source@mvista.com> - * - * 2001-2003 (c) MontaVista, Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/init.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> - -#include <asm/io.h> - -#define WINDOW_ADDR 0xffc00000 -#define WINDOW_SIZE 0x00400000 - -#define RW_PART0_OF 0 -#define RW_PART0_SZ 0x10000 -#define RW_PART1_OF RW_PART0_SZ -#define RW_PART1_SZ 0x200000 - 0x10000 -#define RW_PART2_OF 0x200000 -#define RW_PART2_SZ 0x10000 -#define RW_PART3_OF 0x210000 -#define RW_PART3_SZ 0x200000 - (0x10000 + 0x20000) -#define RW_PART4_OF 0x3e0000 -#define RW_PART4_SZ 0x20000 - -static struct mtd_partition redwood_flash_partitions[] = { - { - .name = "Redwood OpenBIOS Vital Product Data", - .offset = RW_PART0_OF, - .size = RW_PART0_SZ, - .mask_flags = MTD_WRITEABLE /* force read-only */ - }, - { - .name = "Redwood kernel", - .offset = RW_PART1_OF, - .size = RW_PART1_SZ - }, - { - .name = "Redwood OpenBIOS non-volatile storage", - .offset = RW_PART2_OF, - .size = RW_PART2_SZ, - .mask_flags = MTD_WRITEABLE /* force read-only */ - }, - { - .name = "Redwood filesystem", - .offset = RW_PART3_OF, - .size = RW_PART3_SZ - }, - { - .name = "Redwood OpenBIOS", - .offset = RW_PART4_OF, - .size = RW_PART4_SZ, - .mask_flags = MTD_WRITEABLE /* force read-only */ - } -}; - -struct map_info redwood_flash_map = { - .name = "IBM Redwood", - .size = WINDOW_SIZE, - .bankwidth = 2, - .phys = WINDOW_ADDR, -}; - - -#define NUM_REDWOOD_FLASH_PARTITIONS ARRAY_SIZE(redwood_flash_partitions) - -static struct mtd_info *redwood_mtd; - -static int __init init_redwood_flash(void) -{ - int err; - - printk(KERN_NOTICE "redwood: flash mapping: %x at %x\n", - WINDOW_SIZE, WINDOW_ADDR); - - redwood_flash_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE); - - if (!redwood_flash_map.virt) { - printk("init_redwood_flash: failed to ioremap\n"); - return -EIO; - } - simple_map_init(&redwood_flash_map); - - redwood_mtd = do_map_probe("cfi_probe",&redwood_flash_map); - - if (redwood_mtd) { - redwood_mtd->owner = THIS_MODULE; - err = add_mtd_partitions(redwood_mtd, - redwood_flash_partitions, - NUM_REDWOOD_FLASH_PARTITIONS); - if (err) { - printk("init_redwood_flash: add_mtd_partitions failed\n"); - iounmap(redwood_flash_map.virt); - } - return err; - - } - - iounmap(redwood_flash_map.virt); - return -ENXIO; -} - -static void __exit cleanup_redwood_flash(void) -{ - if (redwood_mtd) { - del_mtd_partitions(redwood_mtd); - /* moved iounmap after map_destroy - armin */ - map_destroy(redwood_mtd); - iounmap((void *)redwood_flash_map.virt); - } -} - -module_init(init_redwood_flash); -module_exit(cleanup_redwood_flash); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("MontaVista Software <source@mvista.com>"); -MODULE_DESCRIPTION("MTD map driver for the IBM Redwood reference boards"); diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c index 03e19c1..62e6870 100644 --- a/drivers/mtd/mtd_blkdevs.c +++ b/drivers/mtd/mtd_blkdevs.c @@ -1,7 +1,21 @@ /* - * (C) 2003 David Woodhouse <dwmw2@infradead.org> + * Interface to Linux block layer for MTD 'translation layers'. * - * Interface to Linux 2.5 block layer for MTD 'translation layers'. + * Copyright © 2003-2010 David Woodhouse <dwmw2@infradead.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * */ @@ -15,6 +29,7 @@ #include <linux/blkdev.h> #include <linux/blkpg.h> #include <linux/spinlock.h> +#include <linux/smp_lock.h> #include <linux/hdreg.h> #include <linux/init.h> #include <linux/mutex.h> @@ -73,14 +88,14 @@ static int do_blktrans_request(struct mtd_blktrans_ops *tr, buf = req->buffer; - if (!blk_fs_request(req)) + if (req->cmd_type != REQ_TYPE_FS) return -EIO; if (blk_rq_pos(req) + blk_rq_cur_sectors(req) > get_capacity(req->rq_disk)) return -EIO; - if (blk_discard_rq(req)) + if (req->cmd_flags & REQ_DISCARD) return tr->discard(dev, block, nsect); switch(rq_data_dir(req)) { @@ -164,8 +179,9 @@ static int blktrans_open(struct block_device *bdev, fmode_t mode) int ret; if (!dev) - return -ERESTARTSYS; + return -ERESTARTSYS; /* FIXME: busy loop! -arnd*/ + lock_kernel(); mutex_lock(&dev->lock); if (!dev->mtd) { @@ -182,6 +198,7 @@ static int blktrans_open(struct block_device *bdev, fmode_t mode) unlock: mutex_unlock(&dev->lock); blktrans_dev_put(dev); + unlock_kernel(); return ret; } @@ -193,6 +210,7 @@ static int blktrans_release(struct gendisk *disk, fmode_t mode) if (!dev) return ret; + lock_kernel(); mutex_lock(&dev->lock); /* Release one reference, we sure its not the last one here*/ @@ -205,6 +223,7 @@ static int blktrans_release(struct gendisk *disk, fmode_t mode) unlock: mutex_unlock(&dev->lock); blktrans_dev_put(dev); + unlock_kernel(); return ret; } @@ -237,6 +256,7 @@ static int blktrans_ioctl(struct block_device *bdev, fmode_t mode, if (!dev) return ret; + lock_kernel(); mutex_lock(&dev->lock); if (!dev->mtd) @@ -245,11 +265,13 @@ static int blktrans_ioctl(struct block_device *bdev, fmode_t mode, switch (cmd) { case BLKFLSBUF: ret = dev->tr->flush ? dev->tr->flush(dev) : 0; + break; default: ret = -ENOTTY; } unlock: mutex_unlock(&dev->lock); + unlock_kernel(); blktrans_dev_put(dev); return ret; } @@ -258,7 +280,7 @@ static const struct block_device_operations mtd_blktrans_ops = { .owner = THIS_MODULE, .open = blktrans_open, .release = blktrans_release, - .locked_ioctl = blktrans_ioctl, + .ioctl = blktrans_ioctl, .getgeo = blktrans_getgeo, }; @@ -409,13 +431,14 @@ int del_mtd_blktrans_dev(struct mtd_blktrans_dev *old) BUG(); } - /* Stop new requests to arrive */ - del_gendisk(old->disk); - if (old->disk_attributes) sysfs_remove_group(&disk_to_dev(old->disk)->kobj, old->disk_attributes); + /* Stop new requests to arrive */ + del_gendisk(old->disk); + + /* Stop the thread */ kthread_stop(old->thread); diff --git a/drivers/mtd/mtdblock.c b/drivers/mtd/mtdblock.c index e6edbec..1e74ad9 100644 --- a/drivers/mtd/mtdblock.c +++ b/drivers/mtd/mtdblock.c @@ -1,8 +1,23 @@ /* * Direct MTD block device access * - * (C) 2000-2003 Nicolas Pitre <nico@fluxnic.net> - * (C) 1999-2003 David Woodhouse <dwmw2@infradead.org> + * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org> + * Copyright © 2000-2003 Nicolas Pitre <nico@fluxnic.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * */ #include <linux/fs.h> diff --git a/drivers/mtd/mtdblock_ro.c b/drivers/mtd/mtdblock_ro.c index d0d3f79..795a8c0 100644 --- a/drivers/mtd/mtdblock_ro.c +++ b/drivers/mtd/mtdblock_ro.c @@ -1,7 +1,22 @@ /* - * (C) 2003 David Woodhouse <dwmw2@infradead.org> - * * Simple read-only (writable only for RAM) mtdblock driver + * + * Copyright © 2001-2010 David Woodhouse <dwmw2@infradead.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * */ #include <linux/init.h> diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index 91c8013..a825002 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -1,5 +1,19 @@ /* - * Character-device access to raw MTD devices. + * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * */ @@ -18,7 +32,7 @@ #include <linux/mount.h> #include <linux/mtd/mtd.h> -#include <linux/mtd/compatmac.h> +#include <linux/mtd/map.h> #include <asm/uaccess.h> @@ -675,6 +689,20 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg) break; } + case MEMISLOCKED: + { + struct erase_info_user einfo; + + if (copy_from_user(&einfo, argp, sizeof(einfo))) + return -EFAULT; + + if (!mtd->is_locked) + ret = -EOPNOTSUPP; + else + ret = mtd->is_locked(mtd, einfo.start, einfo.length); + break; + } + /* Legacy interface */ case MEMGETOOBSEL: { @@ -950,9 +978,34 @@ static int mtd_mmap(struct file *file, struct vm_area_struct *vma) #ifdef CONFIG_MMU struct mtd_file_info *mfi = file->private_data; struct mtd_info *mtd = mfi->mtd; + struct map_info *map = mtd->priv; + unsigned long start; + unsigned long off; + u32 len; + + if (mtd->type == MTD_RAM || mtd->type == MTD_ROM) { + off = vma->vm_pgoff << PAGE_SHIFT; + start = map->phys; + len = PAGE_ALIGN((start & ~PAGE_MASK) + map->size); + start &= PAGE_MASK; + if ((vma->vm_end - vma->vm_start + off) > len) + return -EINVAL; + + off += start; + vma->vm_pgoff = off >> PAGE_SHIFT; + vma->vm_flags |= VM_IO | VM_RESERVED; + +#ifdef pgprot_noncached + if (file->f_flags & O_DSYNC || off >= __pa(high_memory)) + vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); +#endif + if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT, + vma->vm_end - vma->vm_start, + vma->vm_page_prot)) + return -EAGAIN; - if (mtd->type == MTD_RAM || mtd->type == MTD_ROM) return 0; + } return -ENOSYS; #else return vma->vm_flags & VM_SHARED ? 0 : -ENOSYS; diff --git a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c index 7e07562..bf8de09 100644 --- a/drivers/mtd/mtdconcat.c +++ b/drivers/mtd/mtdconcat.c @@ -1,11 +1,25 @@ /* * MTD device concatenation layer * - * (C) 2002 Robert Kaiser <rkaiser@sysgo.de> + * Copyright © 2002 Robert Kaiser <rkaiser@sysgo.de> + * Copyright © 2002-2010 David Woodhouse <dwmw2@infradead.org> * * NAND support by Christian Gan <cgan@iders.ca> * - * This code is GPL + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * */ #include <linux/kernel.h> @@ -540,10 +554,12 @@ static int concat_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len) else size = len; - err = subdev->lock(subdev, ofs, size); - - if (err) - break; + if (subdev->lock) { + err = subdev->lock(subdev, ofs, size); + if (err) + break; + } else + err = -EOPNOTSUPP; len -= size; if (len == 0) @@ -578,10 +594,12 @@ static int concat_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len) else size = len; - err = subdev->unlock(subdev, ofs, size); - - if (err) - break; + if (subdev->unlock) { + err = subdev->unlock(subdev, ofs, size); + if (err) + break; + } else + err = -EOPNOTSUPP; len -= size; if (len == 0) diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index a1b8b70..527cebf 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -2,9 +2,23 @@ * Core registration and callback routines for MTD * drivers and users. * - * bdi bits are: - * Copyright © 2006 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) + * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org> + * Copyright © 2006 Red Hat UK Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * */ #include <linux/module.h> @@ -17,7 +31,6 @@ #include <linux/err.h> #include <linux/ioctl.h> #include <linux/init.h> -#include <linux/mtd/compatmac.h> #include <linux/proc_fs.h> #include <linux/idr.h> #include <linux/backing-dev.h> diff --git a/drivers/mtd/mtdoops.c b/drivers/mtd/mtdoops.c index 328313c..1ee72f3 100644 --- a/drivers/mtd/mtdoops.c +++ b/drivers/mtd/mtdoops.c @@ -1,7 +1,7 @@ /* * MTD Oops/Panic logger * - * Copyright (C) 2007 Nokia Corporation. All rights reserved. + * Copyright © 2007 Nokia Corporation. All rights reserved. * * Author: Richard Purdie <rpurdie@openedhand.com> * diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index b8043a9..dc65585 100644 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c @@ -1,12 +1,24 @@ /* * Simple MTD partitioning layer * - * (C) 2000 Nicolas Pitre <nico@fluxnic.net> + * Copyright © 2000 Nicolas Pitre <nico@fluxnic.net> + * Copyright © 2002 Thomas Gleixner <gleixner@linutronix.de> + * Copyright © 2000-2010 David Woodhouse <dwmw2@infradead.org> * - * This code is GPL + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * - * 02-21-2002 Thomas Gleixner <gleixner@autronix.de> - * added support for read_oob, write_oob */ #include <linux/module.h> @@ -17,7 +29,6 @@ #include <linux/kmod.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> -#include <linux/mtd/compatmac.h> /* Our partition linked list */ static LIST_HEAD(mtd_partitions); @@ -264,6 +275,14 @@ static int part_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len) return part->master->unlock(part->master, ofs + part->offset, len); } +static int part_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len) +{ + struct mtd_part *part = PART(mtd); + if ((len + ofs) > mtd->size) + return -EINVAL; + return part->master->is_locked(part->master, ofs + part->offset, len); +} + static void part_sync(struct mtd_info *mtd) { struct mtd_part *part = PART(mtd); @@ -402,6 +421,8 @@ static struct mtd_part *add_one_partition(struct mtd_info *master, slave->mtd.lock = part_lock; if (master->unlock) slave->mtd.unlock = part_unlock; + if (master->is_locked) + slave->mtd.is_locked = part_is_locked; if (master->block_isbad) slave->mtd.block_isbad = part_block_isbad; if (master->block_markbad) diff --git a/drivers/mtd/mtdsuper.c b/drivers/mtd/mtdsuper.c index bd9a443..38e2ab0 100644 --- a/drivers/mtd/mtdsuper.c +++ b/drivers/mtd/mtdsuper.c @@ -1,6 +1,8 @@ /* MTD-based superblock management * * Copyright © 2001-2007 Red Hat, Inc. All Rights Reserved. + * Copyright © 2001-2010 David Woodhouse <dwmw2@infradead.org> + * * Written by: David Howells <dhowells@redhat.com> * David Woodhouse <dwmw2@infradead.org> * diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index 362d177..8b4b67c 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -37,7 +37,6 @@ config MTD_SM_COMMON config MTD_NAND_MUSEUM_IDS bool "Enable chip ids for obsolete ancient NAND devices" - depends on MTD_NAND default n help Enable this option only when your board has first generation @@ -61,6 +60,7 @@ config MTD_NAND_DENALI config MTD_NAND_DENALI_SCRATCH_REG_ADDR hex "Denali NAND size scratch register address" default "0xFF108018" + depends on MTD_NAND_DENALI help Some platforms place the NAND chip size in a scratch register because (some versions of) the driver aren't able to automatically @@ -101,13 +101,13 @@ config MTD_NAND_AMS_DELTA config MTD_NAND_OMAP2 tristate "NAND Flash device on OMAP2 and OMAP3" - depends on ARM && MTD_NAND && (ARCH_OMAP2 || ARCH_OMAP3) + depends on ARM && (ARCH_OMAP2 || ARCH_OMAP3) help Support for NAND flash on Texas Instruments OMAP2 and OMAP3 platforms. config MTD_NAND_OMAP_PREFETCH bool "GPMC prefetch support for NAND Flash device" - depends on MTD_NAND && MTD_NAND_OMAP2 + depends on MTD_NAND_OMAP2 default y help The NAND device can be accessed for Read/Write using GPMC PREFETCH engine @@ -146,7 +146,7 @@ config MTD_NAND_AU1550 config MTD_NAND_BF5XX tristate "Blackfin on-chip NAND Flash Controller driver" - depends on (BF54x || BF52x) && MTD_NAND + depends on BF54x || BF52x help This enables the Blackfin on-chip NAND flash controller @@ -236,7 +236,7 @@ config MTD_NAND_S3C2410_CLKSTOP config MTD_NAND_BCM_UMI tristate "NAND Flash support for BCM Reference Boards" - depends on ARCH_BCMRING && MTD_NAND + depends on ARCH_BCMRING help This enables the NAND flash controller on the BCM UMI block. @@ -395,7 +395,7 @@ endchoice config MTD_NAND_PXA3xx tristate "Support for NAND flash devices on PXA3xx" - depends on MTD_NAND && (PXA3xx || ARCH_MMP) + depends on PXA3xx || ARCH_MMP help This enables the driver for the NAND flash device found on PXA3xx processors @@ -409,18 +409,18 @@ config MTD_NAND_PXA3xx_BUILTIN config MTD_NAND_CM_X270 tristate "Support for NAND Flash on CM-X270 modules" - depends on MTD_NAND && MACH_ARMCORE + depends on MACH_ARMCORE config MTD_NAND_PASEMI tristate "NAND support for PA Semi PWRficient" - depends on MTD_NAND && PPC_PASEMI + depends on PPC_PASEMI help Enables support for NAND Flash interface on PA Semi PWRficient based boards config MTD_NAND_TMIO tristate "NAND Flash device on Toshiba Mobile IO Controller" - depends on MTD_NAND && MFD_TMIO + depends on MFD_TMIO help Support for NAND flash connected to a Toshiba Mobile IO Controller in some PDAs, including the Sharp SL6000x. @@ -434,7 +434,6 @@ config MTD_NAND_NANDSIM config MTD_NAND_PLATFORM tristate "Support for generic platform NAND driver" - depends on MTD_NAND help This implements a generic NAND driver for on-SOC platform devices. You will need to provide platform-specific functions @@ -442,14 +441,14 @@ config MTD_NAND_PLATFORM config MTD_ALAUDA tristate "MTD driver for Olympus MAUSB-10 and Fujifilm DPC-R1" - depends on MTD_NAND && USB + depends on USB help These two (and possibly other) Alauda-based cardreaders for SmartMedia and xD allow raw flash access. config MTD_NAND_ORION tristate "NAND Flash support for Marvell Orion SoC" - depends on PLAT_ORION && MTD_NAND + depends on PLAT_ORION help This enables the NAND flash controller on Orion machines. @@ -458,7 +457,7 @@ config MTD_NAND_ORION config MTD_NAND_FSL_ELBC tristate "NAND support for Freescale eLBC controllers" - depends on MTD_NAND && PPC_OF + depends on PPC_OF help Various Freescale chips, including the 8313, include a NAND Flash Controller Module with built-in hardware ECC capabilities. @@ -467,7 +466,7 @@ config MTD_NAND_FSL_ELBC config MTD_NAND_FSL_UPM tristate "Support for NAND on Freescale UPM" - depends on MTD_NAND && (PPC_83xx || PPC_85xx) + depends on PPC_83xx || PPC_85xx select FSL_LBC help Enables support for NAND Flash chips wired onto Freescale PowerPC @@ -482,7 +481,7 @@ config MTD_NAND_MPC5121_NFC config MTD_NAND_MXC tristate "MXC NAND support" - depends on ARCH_MX2 || ARCH_MX25 || ARCH_MX3 + depends on ARCH_MX2 || ARCH_MX25 || ARCH_MX3 || ARCH_MX51 help This enables the driver for the NAND flash controller on the MXC processors. @@ -495,7 +494,7 @@ config MTD_NAND_NOMADIK config MTD_NAND_SH_FLCTL tristate "Support for NAND on Renesas SuperH FLCTL" - depends on MTD_NAND && (SUPERH || ARCH_SHMOBILE) + depends on SUPERH || ARCH_SHMOBILE help Several Renesas SuperH CPU has FLCTL. This option enables support for NAND Flash using FLCTL. @@ -515,7 +514,7 @@ config MTD_NAND_TXX9NDFMC config MTD_NAND_SOCRATES tristate "Support for NAND on Socrates board" - depends on MTD_NAND && SOCRATES + depends on SOCRATES help Enables support for NAND Flash chips wired onto Socrates board. diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c index 04d30887c..ccce0f0 100644 --- a/drivers/mtd/nand/atmel_nand.c +++ b/drivers/mtd/nand/atmel_nand.c @@ -364,7 +364,7 @@ static void atmel_nand_hwctl(struct mtd_info *mtd, int mode) } } -#ifdef CONFIG_MTD_PARTITIONS +#ifdef CONFIG_MTD_CMDLINE_PARTS static const char *part_probes[] = { "cmdlinepart", NULL }; #endif diff --git a/drivers/mtd/nand/bf5xx_nand.c b/drivers/mtd/nand/bf5xx_nand.c index 2974995..a382e3d 100644 --- a/drivers/mtd/nand/bf5xx_nand.c +++ b/drivers/mtd/nand/bf5xx_nand.c @@ -20,9 +20,6 @@ * - DMA supported in ECC_HW * - YAFFS tested as rootfs in both ECC_HW and ECC_SW * - * TODO: - * Enable JFFS2 over NAND as rootfs - * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or @@ -206,7 +203,7 @@ static void bf5xx_nand_hwcontrol(struct mtd_info *mtd, int cmd, if (ctrl & NAND_CLE) bfin_write_NFC_CMD(cmd); - else + else if (ctrl & NAND_ALE) bfin_write_NFC_ADDR(cmd); SSYNC(); } @@ -218,9 +215,9 @@ static void bf5xx_nand_hwcontrol(struct mtd_info *mtd, int cmd, */ static int bf5xx_nand_devready(struct mtd_info *mtd) { - unsigned short val = bfin_read_NFC_IRQSTAT(); + unsigned short val = bfin_read_NFC_STAT(); - if ((val & NBUSYIRQ) == NBUSYIRQ) + if ((val & NBUSY) == NBUSY) return 1; else return 0; @@ -317,18 +314,16 @@ static int bf5xx_nand_correct_data_256(struct mtd_info *mtd, u_char *dat, static int bf5xx_nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc) { - struct bf5xx_nand_info *info = mtd_to_nand_info(mtd); - struct bf5xx_nand_platform *plat = info->platform; - unsigned short page_size = (plat->page_size ? 512 : 256); + struct nand_chip *chip = mtd->priv; int ret; ret = bf5xx_nand_correct_data_256(mtd, dat, read_ecc, calc_ecc); - /* If page size is 512, correct second 256 bytes */ - if (page_size == 512) { + /* If ecc size is 512, correct second 256 bytes */ + if (chip->ecc.size == 512) { dat += 256; - read_ecc += 8; - calc_ecc += 8; + read_ecc += 3; + calc_ecc += 3; ret |= bf5xx_nand_correct_data_256(mtd, dat, read_ecc, calc_ecc); } @@ -344,13 +339,12 @@ static int bf5xx_nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code) { struct bf5xx_nand_info *info = mtd_to_nand_info(mtd); - struct bf5xx_nand_platform *plat = info->platform; - u16 page_size = (plat->page_size ? 512 : 256); + struct nand_chip *chip = mtd->priv; u16 ecc0, ecc1; u32 code[2]; u8 *p; - /* first 4 bytes ECC code for 256 page size */ + /* first 3 bytes ECC code for 256 page size */ ecc0 = bfin_read_NFC_ECC0(); ecc1 = bfin_read_NFC_ECC1(); @@ -358,12 +352,11 @@ static int bf5xx_nand_calculate_ecc(struct mtd_info *mtd, dev_dbg(info->device, "returning ecc 0x%08x\n", code[0]); - /* first 3 bytes in ecc_code for 256 page size */ p = (u8 *) code; memcpy(ecc_code, p, 3); - /* second 4 bytes ECC code for 512 page size */ - if (page_size == 512) { + /* second 3 bytes ECC code for 512 ecc size */ + if (chip->ecc.size == 512) { ecc0 = bfin_read_NFC_ECC2(); ecc1 = bfin_read_NFC_ECC3(); code[1] = (ecc0 & 0x7ff) | ((ecc1 & 0x7ff) << 11); @@ -483,8 +476,7 @@ static void bf5xx_nand_dma_rw(struct mtd_info *mtd, uint8_t *buf, int is_read) { struct bf5xx_nand_info *info = mtd_to_nand_info(mtd); - struct bf5xx_nand_platform *plat = info->platform; - unsigned short page_size = (plat->page_size ? 512 : 256); + struct nand_chip *chip = mtd->priv; unsigned short val; dev_dbg(info->device, " mtd->%p, buf->%p, is_read %d\n", @@ -498,10 +490,10 @@ static void bf5xx_nand_dma_rw(struct mtd_info *mtd, */ if (is_read) invalidate_dcache_range((unsigned int)buf, - (unsigned int)(buf + page_size)); + (unsigned int)(buf + chip->ecc.size)); else flush_dcache_range((unsigned int)buf, - (unsigned int)(buf + page_size)); + (unsigned int)(buf + chip->ecc.size)); /* * This register must be written before each page is @@ -510,6 +502,8 @@ static void bf5xx_nand_dma_rw(struct mtd_info *mtd, */ bfin_write_NFC_RST(ECC_RST); SSYNC(); + while (bfin_read_NFC_RST() & ECC_RST) + cpu_relax(); disable_dma(CH_NFC); clear_dma_irqstat(CH_NFC); @@ -520,13 +514,13 @@ static void bf5xx_nand_dma_rw(struct mtd_info *mtd, /* The DMAs have different size on BF52x and BF54x */ #ifdef CONFIG_BF52x - set_dma_x_count(CH_NFC, (page_size >> 1)); + set_dma_x_count(CH_NFC, (chip->ecc.size >> 1)); set_dma_x_modify(CH_NFC, 2); val = DI_EN | WDSIZE_16; #endif #ifdef CONFIG_BF54x - set_dma_x_count(CH_NFC, (page_size >> 2)); + set_dma_x_count(CH_NFC, (chip->ecc.size >> 2)); set_dma_x_modify(CH_NFC, 4); val = DI_EN | WDSIZE_32; #endif @@ -548,12 +542,11 @@ static void bf5xx_nand_dma_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) { struct bf5xx_nand_info *info = mtd_to_nand_info(mtd); - struct bf5xx_nand_platform *plat = info->platform; - unsigned short page_size = (plat->page_size ? 512 : 256); + struct nand_chip *chip = mtd->priv; dev_dbg(info->device, "mtd->%p, buf->%p, int %d\n", mtd, buf, len); - if (len == page_size) + if (len == chip->ecc.size) bf5xx_nand_dma_rw(mtd, buf, 1); else bf5xx_nand_read_buf(mtd, buf, len); @@ -563,17 +556,32 @@ static void bf5xx_nand_dma_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) { struct bf5xx_nand_info *info = mtd_to_nand_info(mtd); - struct bf5xx_nand_platform *plat = info->platform; - unsigned short page_size = (plat->page_size ? 512 : 256); + struct nand_chip *chip = mtd->priv; dev_dbg(info->device, "mtd->%p, buf->%p, len %d\n", mtd, buf, len); - if (len == page_size) + if (len == chip->ecc.size) bf5xx_nand_dma_rw(mtd, (uint8_t *)buf, 0); else bf5xx_nand_write_buf(mtd, buf, len); } +static int bf5xx_nand_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip, + uint8_t *buf, int page) +{ + bf5xx_nand_read_buf(mtd, buf, mtd->writesize); + bf5xx_nand_read_buf(mtd, chip->oob_poi, mtd->oobsize); + + return 0; +} + +static void bf5xx_nand_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip, + const uint8_t *buf) +{ + bf5xx_nand_write_buf(mtd, buf, mtd->writesize); + bf5xx_nand_write_buf(mtd, chip->oob_poi, mtd->oobsize); +} + /* * System initialization functions */ @@ -627,15 +635,14 @@ static int bf5xx_nand_hw_init(struct bf5xx_nand_info *info) /* setup NFC_CTL register */ dev_info(info->device, - "page_size=%d, data_width=%d, wr_dly=%d, rd_dly=%d\n", - (plat->page_size ? 512 : 256), + "data_width=%d, wr_dly=%d, rd_dly=%d\n", (plat->data_width ? 16 : 8), plat->wr_dly, plat->rd_dly); - val = (plat->page_size << NFC_PG_SIZE_OFFSET) | + val = (1 << NFC_PG_SIZE_OFFSET) | (plat->data_width << NFC_NWIDTH_OFFSET) | (plat->rd_dly << NFC_RDDLY_OFFSET) | - (plat->rd_dly << NFC_WRDLY_OFFSET); + (plat->wr_dly << NFC_WRDLY_OFFSET); dev_dbg(info->device, "NFC_CTL is 0x%04x\n", val); bfin_write_NFC_CTL(val); @@ -698,6 +705,33 @@ static int __devexit bf5xx_nand_remove(struct platform_device *pdev) return 0; } +static int bf5xx_nand_scan(struct mtd_info *mtd) +{ + struct nand_chip *chip = mtd->priv; + int ret; + + ret = nand_scan_ident(mtd, 1); + if (ret) + return ret; + + if (hardware_ecc) { + /* + * for nand with page size > 512B, think it as several sections with 512B + */ + if (likely(mtd->writesize >= 512)) { + chip->ecc.size = 512; + chip->ecc.bytes = 6; + } else { + chip->ecc.size = 256; + chip->ecc.bytes = 3; + bfin_write_NFC_CTL(bfin_read_NFC_CTL() & ~(1 << NFC_PG_SIZE_OFFSET)); + SSYNC(); + } + } + + return nand_scan_tail(mtd); +} + /* * bf5xx_nand_probe * @@ -783,27 +817,20 @@ static int __devinit bf5xx_nand_probe(struct platform_device *pdev) chip->badblock_pattern = &bootrom_bbt; chip->ecc.layout = &bootrom_ecclayout; #endif - - if (plat->page_size == NFC_PG_SIZE_256) { - chip->ecc.bytes = 3; - chip->ecc.size = 256; - } else if (plat->page_size == NFC_PG_SIZE_512) { - chip->ecc.bytes = 6; - chip->ecc.size = 512; - } - chip->read_buf = bf5xx_nand_dma_read_buf; chip->write_buf = bf5xx_nand_dma_write_buf; chip->ecc.calculate = bf5xx_nand_calculate_ecc; chip->ecc.correct = bf5xx_nand_correct_data; chip->ecc.mode = NAND_ECC_HW; chip->ecc.hwctl = bf5xx_nand_enable_hwecc; + chip->ecc.read_page_raw = bf5xx_nand_read_page_raw; + chip->ecc.write_page_raw = bf5xx_nand_write_page_raw; } else { chip->ecc.mode = NAND_ECC_SOFT; } /* scan hardware nand chip and setup mtd info data struct */ - if (nand_scan(mtd, 1)) { + if (bf5xx_nand_scan(mtd)) { err = -ENXIO; goto out_err_nand_scan; } diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c index 9c9d893..2ac7367 100644 --- a/drivers/mtd/nand/davinci_nand.c +++ b/drivers/mtd/nand/davinci_nand.c @@ -311,7 +311,9 @@ static int nand_davinci_correct_4bit(struct mtd_info *mtd, unsigned short ecc10[8]; unsigned short *ecc16; u32 syndrome[4]; + u32 ecc_state; unsigned num_errors, corrected; + unsigned long timeo = jiffies + msecs_to_jiffies(100); /* All bytes 0xff? It's an erased page; ignore its ECC. */ for (i = 0; i < 10; i++) { @@ -361,6 +363,21 @@ compare: */ davinci_nand_writel(info, NANDFCR_OFFSET, davinci_nand_readl(info, NANDFCR_OFFSET) | BIT(13)); + + /* + * ECC_STATE field reads 0x3 (Error correction complete) immediately + * after setting the 4BITECC_ADD_CALC_START bit. So if you immediately + * begin trying to poll for the state, you may fall right out of your + * loop without any of the correction calculations having taken place. + * The recommendation from the hardware team is to wait till ECC_STATE + * reads less than 4, which means ECC HW has entered correction state. + */ + do { + ecc_state = (davinci_nand_readl(info, + NANDFSR_OFFSET) >> 8) & 0x0f; + cpu_relax(); + } while ((ecc_state < 4) && time_before(jiffies, timeo)); + for (;;) { u32 fsr = davinci_nand_readl(info, NANDFSR_OFFSET); diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c index 3dfda9c..618fb42 100644 --- a/drivers/mtd/nand/denali.c +++ b/drivers/mtd/nand/denali.c @@ -21,6 +21,7 @@ #include <linux/delay.h> #include <linux/wait.h> #include <linux/mutex.h> +#include <linux/slab.h> #include <linux/pci.h> #include <linux/mtd/mtd.h> #include <linux/module.h> @@ -29,15 +30,15 @@ MODULE_LICENSE("GPL"); -/* We define a module parameter that allows the user to override +/* We define a module parameter that allows the user to override * the hardware and decide what timing mode should be used. */ #define NAND_DEFAULT_TIMINGS -1 static int onfi_timing_mode = NAND_DEFAULT_TIMINGS; module_param(onfi_timing_mode, int, S_IRUGO); -MODULE_PARM_DESC(onfi_timing_mode, "Overrides default ONFI setting. -1 indicates" - " use default timings"); +MODULE_PARM_DESC(onfi_timing_mode, "Overrides default ONFI setting." + " -1 indicates use default timings"); #define DENALI_NAND_NAME "denali-nand" @@ -54,13 +55,13 @@ MODULE_PARM_DESC(onfi_timing_mode, "Overrides default ONFI setting. -1 indicates INTR_STATUS0__RST_COMP | \ INTR_STATUS0__ERASE_COMP) -/* indicates whether or not the internal value for the flash bank is +/* indicates whether or not the internal value for the flash bank is valid or not */ -#define CHIP_SELECT_INVALID -1 +#define CHIP_SELECT_INVALID -1 #define SUPPORT_8BITECC 1 -/* This macro divides two integers and rounds fractional values up +/* This macro divides two integers and rounds fractional values up * to the nearest integer value. */ #define CEIL_DIV(X, Y) (((X)%(Y)) ? ((X)/(Y)+1) : ((X)/(Y))) @@ -83,7 +84,7 @@ MODULE_PARM_DESC(onfi_timing_mode, "Overrides default ONFI setting. -1 indicates #define ADDR_CYCLE 1 #define STATUS_CYCLE 2 -/* this is a helper macro that allows us to +/* this is a helper macro that allows us to * format the bank into the proper bits for the controller */ #define BANK(x) ((x) << 24) @@ -95,59 +96,64 @@ static const struct pci_device_id denali_pci_ids[] = { }; -/* these are static lookup tables that give us easy access to - registers in the NAND controller. +/* these are static lookup tables that give us easy access to + registers in the NAND controller. */ -static const uint32_t intr_status_addresses[4] = {INTR_STATUS0, - INTR_STATUS1, - INTR_STATUS2, +static const uint32_t intr_status_addresses[4] = {INTR_STATUS0, + INTR_STATUS1, + INTR_STATUS2, INTR_STATUS3}; static const uint32_t device_reset_banks[4] = {DEVICE_RESET__BANK0, - DEVICE_RESET__BANK1, - DEVICE_RESET__BANK2, - DEVICE_RESET__BANK3}; + DEVICE_RESET__BANK1, + DEVICE_RESET__BANK2, + DEVICE_RESET__BANK3}; static const uint32_t operation_timeout[4] = {INTR_STATUS0__TIME_OUT, - INTR_STATUS1__TIME_OUT, - INTR_STATUS2__TIME_OUT, - INTR_STATUS3__TIME_OUT}; + INTR_STATUS1__TIME_OUT, + INTR_STATUS2__TIME_OUT, + INTR_STATUS3__TIME_OUT}; static const uint32_t reset_complete[4] = {INTR_STATUS0__RST_COMP, - INTR_STATUS1__RST_COMP, - INTR_STATUS2__RST_COMP, - INTR_STATUS3__RST_COMP}; + INTR_STATUS1__RST_COMP, + INTR_STATUS2__RST_COMP, + INTR_STATUS3__RST_COMP}; /* specifies the debug level of the driver */ -static int nand_debug_level = 0; +static int nand_debug_level; /* forward declarations */ static void clear_interrupts(struct denali_nand_info *denali); -static uint32_t wait_for_irq(struct denali_nand_info *denali, uint32_t irq_mask); -static void denali_irq_enable(struct denali_nand_info *denali, uint32_t int_mask); +static uint32_t wait_for_irq(struct denali_nand_info *denali, + uint32_t irq_mask); +static void denali_irq_enable(struct denali_nand_info *denali, + uint32_t int_mask); static uint32_t read_interrupt_status(struct denali_nand_info *denali); #define DEBUG_DENALI 0 /* This is a wrapper for writing to the denali registers. * this allows us to create debug information so we can - * observe how the driver is programming the device. + * observe how the driver is programming the device. * it uses standard linux convention for (val, addr) */ static void denali_write32(uint32_t value, void *addr) { - iowrite32(value, addr); + iowrite32(value, addr); #if DEBUG_DENALI - printk(KERN_ERR "wrote: 0x%x -> 0x%x\n", value, (uint32_t)((uint32_t)addr & 0x1fff)); + printk(KERN_INFO "wrote: 0x%x -> 0x%x\n", value, + (uint32_t)((uint32_t)addr & 0x1fff)); #endif -} +} -/* Certain operations for the denali NAND controller use an indexed mode to read/write - data. The operation is performed by writing the address value of the command to - the device memory followed by the data. This function abstracts this common - operation. +/* Certain operations for the denali NAND controller use + * an indexed mode to read/write data. The operation is + * performed by writing the address value of the command + * to the device memory followed by the data. This function + * abstracts this common operation. */ -static void index_addr(struct denali_nand_info *denali, uint32_t address, uint32_t data) +static void index_addr(struct denali_nand_info *denali, + uint32_t address, uint32_t data) { denali_write32(address, denali->flash_mem); denali_write32(data, denali->flash_mem + 0x10); @@ -161,7 +167,7 @@ static void index_addr_read_data(struct denali_nand_info *denali, *pdata = ioread32(denali->flash_mem + 0x10); } -/* We need to buffer some data for some of the NAND core routines. +/* We need to buffer some data for some of the NAND core routines. * The operations manage buffering that data. */ static void reset_buf(struct denali_nand_info *denali) { @@ -183,7 +189,7 @@ static void read_status(struct denali_nand_info *denali) reset_buf(denali); /* initiate a device status read */ - cmd = MODE_11 | BANK(denali->flash_bank); + cmd = MODE_11 | BANK(denali->flash_bank); index_addr(denali, cmd | COMMAND_CYCLE, 0x70); denali_write32(cmd | STATUS_CYCLE, denali->flash_mem); @@ -191,7 +197,8 @@ static void read_status(struct denali_nand_info *denali) write_byte_to_buf(denali, ioread32(denali->flash_mem + 0x10)); #if DEBUG_DENALI - printk("device reporting status value of 0x%2x\n", denali->buf.buf[0]); + printk(KERN_INFO "device reporting status value of 0x%2x\n", + denali->buf.buf[0]); #endif } @@ -199,7 +206,7 @@ static void read_status(struct denali_nand_info *denali) static void reset_bank(struct denali_nand_info *denali) { uint32_t irq_status = 0; - uint32_t irq_mask = reset_complete[denali->flash_bank] | + uint32_t irq_mask = reset_complete[denali->flash_bank] | operation_timeout[denali->flash_bank]; int bank = 0; @@ -209,15 +216,13 @@ static void reset_bank(struct denali_nand_info *denali) denali_write32(bank, denali->flash_reg + DEVICE_RESET); irq_status = wait_for_irq(denali, irq_mask); - + if (irq_status & operation_timeout[denali->flash_bank]) - { printk(KERN_ERR "reset bank failed.\n"); - } } /* Reset the flash controller */ -static uint16_t NAND_Flash_Reset(struct denali_nand_info *denali) +static uint16_t denali_nand_reset(struct denali_nand_info *denali) { uint32_t i; @@ -229,8 +234,10 @@ static uint16_t NAND_Flash_Reset(struct denali_nand_info *denali) denali->flash_reg + intr_status_addresses[i]); for (i = 0 ; i < LLD_MAX_FLASH_BANKS; i++) { - denali_write32(device_reset_banks[i], denali->flash_reg + DEVICE_RESET); - while (!(ioread32(denali->flash_reg + intr_status_addresses[i]) & + denali_write32(device_reset_banks[i], + denali->flash_reg + DEVICE_RESET); + while (!(ioread32(denali->flash_reg + + intr_status_addresses[i]) & (reset_complete[i] | operation_timeout[i]))) ; if (ioread32(denali->flash_reg + intr_status_addresses[i]) & @@ -246,11 +253,12 @@ static uint16_t NAND_Flash_Reset(struct denali_nand_info *denali) return PASS; } -/* this routine calculates the ONFI timing values for a given mode and programs - * the clocking register accordingly. The mode is determined by the get_onfi_nand_para - routine. +/* this routine calculates the ONFI timing values for a given mode and + * programs the clocking register accordingly. The mode is determined by + * the get_onfi_nand_para routine. */ -static void NAND_ONFi_Timing_Mode(struct denali_nand_info *denali, uint16_t mode) +static void nand_onfi_timing_set(struct denali_nand_info *denali, + uint16_t mode) { uint16_t Trea[6] = {40, 30, 25, 20, 20, 16}; uint16_t Trp[6] = {50, 25, 17, 15, 12, 10}; @@ -347,136 +355,24 @@ static void NAND_ONFi_Timing_Mode(struct denali_nand_info *denali, uint16_t mode denali_write32(cs_cnt, denali->flash_reg + CS_SETUP_CNT); } -/* configures the initial ECC settings for the controller */ -static void set_ecc_config(struct denali_nand_info *denali) -{ -#if SUPPORT_8BITECC - if ((ioread32(denali->flash_reg + DEVICE_MAIN_AREA_SIZE) < 4096) || - (ioread32(denali->flash_reg + DEVICE_SPARE_AREA_SIZE) <= 128)) - denali_write32(8, denali->flash_reg + ECC_CORRECTION); -#endif - - if ((ioread32(denali->flash_reg + ECC_CORRECTION) & ECC_CORRECTION__VALUE) - == 1) { - denali->dev_info.wECCBytesPerSector = 4; - denali->dev_info.wECCBytesPerSector *= denali->dev_info.wDevicesConnected; - denali->dev_info.wNumPageSpareFlag = - denali->dev_info.wPageSpareSize - - denali->dev_info.wPageDataSize / - (ECC_SECTOR_SIZE * denali->dev_info.wDevicesConnected) * - denali->dev_info.wECCBytesPerSector - - denali->dev_info.wSpareSkipBytes; - } else { - denali->dev_info.wECCBytesPerSector = - (ioread32(denali->flash_reg + ECC_CORRECTION) & - ECC_CORRECTION__VALUE) * 13 / 8; - if ((denali->dev_info.wECCBytesPerSector) % 2 == 0) - denali->dev_info.wECCBytesPerSector += 2; - else - denali->dev_info.wECCBytesPerSector += 1; - - denali->dev_info.wECCBytesPerSector *= denali->dev_info.wDevicesConnected; - denali->dev_info.wNumPageSpareFlag = denali->dev_info.wPageSpareSize - - denali->dev_info.wPageDataSize / - (ECC_SECTOR_SIZE * denali->dev_info.wDevicesConnected) * - denali->dev_info.wECCBytesPerSector - - denali->dev_info.wSpareSkipBytes; - } -} - /* queries the NAND device to see what ONFI modes it supports. */ static uint16_t get_onfi_nand_para(struct denali_nand_info *denali) { int i; - uint16_t blks_lun_l, blks_lun_h, n_of_luns; - uint32_t blockperlun, id; - - denali_write32(DEVICE_RESET__BANK0, denali->flash_reg + DEVICE_RESET); - - while (!((ioread32(denali->flash_reg + INTR_STATUS0) & - INTR_STATUS0__RST_COMP) | - (ioread32(denali->flash_reg + INTR_STATUS0) & - INTR_STATUS0__TIME_OUT))) - ; - - if (ioread32(denali->flash_reg + INTR_STATUS0) & INTR_STATUS0__RST_COMP) { - denali_write32(DEVICE_RESET__BANK1, denali->flash_reg + DEVICE_RESET); - while (!((ioread32(denali->flash_reg + INTR_STATUS1) & - INTR_STATUS1__RST_COMP) | - (ioread32(denali->flash_reg + INTR_STATUS1) & - INTR_STATUS1__TIME_OUT))) - ; - - if (ioread32(denali->flash_reg + INTR_STATUS1) & - INTR_STATUS1__RST_COMP) { - denali_write32(DEVICE_RESET__BANK2, - denali->flash_reg + DEVICE_RESET); - while (!((ioread32(denali->flash_reg + INTR_STATUS2) & - INTR_STATUS2__RST_COMP) | - (ioread32(denali->flash_reg + INTR_STATUS2) & - INTR_STATUS2__TIME_OUT))) - ; - - if (ioread32(denali->flash_reg + INTR_STATUS2) & - INTR_STATUS2__RST_COMP) { - denali_write32(DEVICE_RESET__BANK3, - denali->flash_reg + DEVICE_RESET); - while (!((ioread32(denali->flash_reg + INTR_STATUS3) & - INTR_STATUS3__RST_COMP) | - (ioread32(denali->flash_reg + INTR_STATUS3) & - INTR_STATUS3__TIME_OUT))) - ; - } else { - printk(KERN_ERR "Getting a time out for bank 2!\n"); - } - } else { - printk(KERN_ERR "Getting a time out for bank 1!\n"); - } - } - - denali_write32(INTR_STATUS0__TIME_OUT, denali->flash_reg + INTR_STATUS0); - denali_write32(INTR_STATUS1__TIME_OUT, denali->flash_reg + INTR_STATUS1); - denali_write32(INTR_STATUS2__TIME_OUT, denali->flash_reg + INTR_STATUS2); - denali_write32(INTR_STATUS3__TIME_OUT, denali->flash_reg + INTR_STATUS3); - - denali->dev_info.wONFIDevFeatures = - ioread32(denali->flash_reg + ONFI_DEVICE_FEATURES); - denali->dev_info.wONFIOptCommands = - ioread32(denali->flash_reg + ONFI_OPTIONAL_COMMANDS); - denali->dev_info.wONFITimingMode = - ioread32(denali->flash_reg + ONFI_TIMING_MODE); - denali->dev_info.wONFIPgmCacheTimingMode = - ioread32(denali->flash_reg + ONFI_PGM_CACHE_TIMING_MODE); - - n_of_luns = ioread32(denali->flash_reg + ONFI_DEVICE_NO_OF_LUNS) & - ONFI_DEVICE_NO_OF_LUNS__NO_OF_LUNS; - blks_lun_l = ioread32(denali->flash_reg + ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_L); - blks_lun_h = ioread32(denali->flash_reg + ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_U); - - blockperlun = (blks_lun_h << 16) | blks_lun_l; - - denali->dev_info.wTotalBlocks = n_of_luns * blockperlun; - + /* we needn't to do a reset here because driver has already + * reset all the banks before + * */ if (!(ioread32(denali->flash_reg + ONFI_TIMING_MODE) & ONFI_TIMING_MODE__VALUE)) return FAIL; for (i = 5; i > 0; i--) { - if (ioread32(denali->flash_reg + ONFI_TIMING_MODE) & (0x01 << i)) + if (ioread32(denali->flash_reg + ONFI_TIMING_MODE) & + (0x01 << i)) break; } - NAND_ONFi_Timing_Mode(denali, i); - - index_addr(denali, MODE_11 | 0, 0x90); - index_addr(denali, MODE_11 | 1, 0); - - for (i = 0; i < 3; i++) - index_addr_read_data(denali, MODE_11 | 2, &id); - - nand_dbg_print(NAND_DBG_DEBUG, "3rd ID: 0x%x\n", id); - - denali->dev_info.MLCDevice = id & 0x0C; + nand_onfi_timing_set(denali, i); /* By now, all the ONFI devices we know support the page cache */ /* rw feature. So here we enable the pipeline_rw_ahead feature */ @@ -486,25 +382,10 @@ static uint16_t get_onfi_nand_para(struct denali_nand_info *denali) return PASS; } -static void get_samsung_nand_para(struct denali_nand_info *denali) +static void get_samsung_nand_para(struct denali_nand_info *denali, + uint8_t device_id) { - uint8_t no_of_planes; - uint32_t blk_size; - uint64_t plane_size, capacity; - uint32_t id_bytes[5]; - int i; - - index_addr(denali, (uint32_t)(MODE_11 | 0), 0x90); - index_addr(denali, (uint32_t)(MODE_11 | 1), 0); - for (i = 0; i < 5; i++) - index_addr_read_data(denali, (uint32_t)(MODE_11 | 2), &id_bytes[i]); - - nand_dbg_print(NAND_DBG_DEBUG, - "ID bytes: 0x%x, 0x%x, 0x%x, 0x%x, 0x%x\n", - id_bytes[0], id_bytes[1], id_bytes[2], - id_bytes[3], id_bytes[4]); - - if ((id_bytes[1] & 0xff) == 0xd3) { /* Samsung K9WAG08U1A */ + if (device_id == 0xd3) { /* Samsung K9WAG08U1A */ /* Set timing register values according to datasheet */ denali_write32(5, denali->flash_reg + ACC_CLKS); denali_write32(20, denali->flash_reg + RE_2_WE); @@ -514,19 +395,10 @@ static void get_samsung_nand_para(struct denali_nand_info *denali) denali_write32(2, denali->flash_reg + RDWR_EN_HI_CNT); denali_write32(2, denali->flash_reg + CS_SETUP_CNT); } - - no_of_planes = 1 << ((id_bytes[4] & 0x0c) >> 2); - plane_size = (uint64_t)64 << ((id_bytes[4] & 0x70) >> 4); - blk_size = 64 << ((ioread32(denali->flash_reg + DEVICE_PARAM_1) & 0x30) >> 4); - capacity = (uint64_t)128 * plane_size * no_of_planes; - - do_div(capacity, blk_size); - denali->dev_info.wTotalBlocks = capacity; } static void get_toshiba_nand_para(struct denali_nand_info *denali) { - void __iomem *scratch_reg; uint32_t tmp; /* Workaround to fix a controller bug which reports a wrong */ @@ -536,81 +408,52 @@ static void get_toshiba_nand_para(struct denali_nand_info *denali) denali_write32(216, denali->flash_reg + DEVICE_SPARE_AREA_SIZE); tmp = ioread32(denali->flash_reg + DEVICES_CONNECTED) * ioread32(denali->flash_reg + DEVICE_SPARE_AREA_SIZE); - denali_write32(tmp, denali->flash_reg + LOGICAL_PAGE_SPARE_SIZE); + denali_write32(tmp, + denali->flash_reg + LOGICAL_PAGE_SPARE_SIZE); #if SUPPORT_15BITECC denali_write32(15, denali->flash_reg + ECC_CORRECTION); #elif SUPPORT_8BITECC denali_write32(8, denali->flash_reg + ECC_CORRECTION); #endif } - - /* As Toshiba NAND can not provide it's block number, */ - /* so here we need user to provide the correct block */ - /* number in a scratch register before the Linux NAND */ - /* driver is loaded. If no valid value found in the scratch */ - /* register, then we use default block number value */ - scratch_reg = ioremap_nocache(SCRATCH_REG_ADDR, SCRATCH_REG_SIZE); - if (!scratch_reg) { - printk(KERN_ERR "Spectra: ioremap failed in %s, Line %d", - __FILE__, __LINE__); - denali->dev_info.wTotalBlocks = GLOB_HWCTL_DEFAULT_BLKS; - } else { - nand_dbg_print(NAND_DBG_WARN, - "Spectra: ioremap reg address: 0x%p\n", scratch_reg); - denali->dev_info.wTotalBlocks = 1 << ioread8(scratch_reg); - if (denali->dev_info.wTotalBlocks < 512) - denali->dev_info.wTotalBlocks = GLOB_HWCTL_DEFAULT_BLKS; - iounmap(scratch_reg); - } } -static void get_hynix_nand_para(struct denali_nand_info *denali) +static void get_hynix_nand_para(struct denali_nand_info *denali, + uint8_t device_id) { - void __iomem *scratch_reg; uint32_t main_size, spare_size; - switch (denali->dev_info.wDeviceID) { + switch (device_id) { case 0xD5: /* Hynix H27UAG8T2A, H27UBG8U5A or H27UCG8VFA */ case 0xD7: /* Hynix H27UDG8VEM, H27UCG8UDM or H27UCG8V5A */ denali_write32(128, denali->flash_reg + PAGES_PER_BLOCK); denali_write32(4096, denali->flash_reg + DEVICE_MAIN_AREA_SIZE); denali_write32(224, denali->flash_reg + DEVICE_SPARE_AREA_SIZE); - main_size = 4096 * ioread32(denali->flash_reg + DEVICES_CONNECTED); - spare_size = 224 * ioread32(denali->flash_reg + DEVICES_CONNECTED); - denali_write32(main_size, denali->flash_reg + LOGICAL_PAGE_DATA_SIZE); - denali_write32(spare_size, denali->flash_reg + LOGICAL_PAGE_SPARE_SIZE); + main_size = 4096 * + ioread32(denali->flash_reg + DEVICES_CONNECTED); + spare_size = 224 * + ioread32(denali->flash_reg + DEVICES_CONNECTED); + denali_write32(main_size, + denali->flash_reg + LOGICAL_PAGE_DATA_SIZE); + denali_write32(spare_size, + denali->flash_reg + LOGICAL_PAGE_SPARE_SIZE); denali_write32(0, denali->flash_reg + DEVICE_WIDTH); #if SUPPORT_15BITECC denali_write32(15, denali->flash_reg + ECC_CORRECTION); #elif SUPPORT_8BITECC denali_write32(8, denali->flash_reg + ECC_CORRECTION); #endif - denali->dev_info.MLCDevice = 1; break; default: nand_dbg_print(NAND_DBG_WARN, "Spectra: Unknown Hynix NAND (Device ID: 0x%x)." "Will use default parameter values instead.\n", - denali->dev_info.wDeviceID); - } - - scratch_reg = ioremap_nocache(SCRATCH_REG_ADDR, SCRATCH_REG_SIZE); - if (!scratch_reg) { - printk(KERN_ERR "Spectra: ioremap failed in %s, Line %d", - __FILE__, __LINE__); - denali->dev_info.wTotalBlocks = GLOB_HWCTL_DEFAULT_BLKS; - } else { - nand_dbg_print(NAND_DBG_WARN, - "Spectra: ioremap reg address: 0x%p\n", scratch_reg); - denali->dev_info.wTotalBlocks = 1 << ioread8(scratch_reg); - if (denali->dev_info.wTotalBlocks < 512) - denali->dev_info.wTotalBlocks = GLOB_HWCTL_DEFAULT_BLKS; - iounmap(scratch_reg); + device_id); } } /* determines how many NAND chips are connected to the controller. Note for - Intel CE4100 devices we don't support more than one device. + Intel CE4100 devices we don't support more than one device. */ static void find_valid_banks(struct denali_nand_info *denali) { @@ -621,7 +464,8 @@ static void find_valid_banks(struct denali_nand_info *denali) for (i = 0; i < LLD_MAX_FLASH_BANKS; i++) { index_addr(denali, (uint32_t)(MODE_11 | (i << 24) | 0), 0x90); index_addr(denali, (uint32_t)(MODE_11 | (i << 24) | 1), 0); - index_addr_read_data(denali, (uint32_t)(MODE_11 | (i << 24) | 2), &id[i]); + index_addr_read_data(denali, + (uint32_t)(MODE_11 | (i << 24) | 2), &id[i]); nand_dbg_print(NAND_DBG_DEBUG, "Return 1st ID for bank[%d]: %x\n", i, id[i]); @@ -637,14 +481,12 @@ static void find_valid_banks(struct denali_nand_info *denali) } } - if (denali->platform == INTEL_CE4100) - { + if (denali->platform == INTEL_CE4100) { /* Platform limitations of the CE4100 device limit * users to a single chip solution for NAND. - * Multichip support is not enabled. - */ - if (denali->total_used_banks != 1) - { + * Multichip support is not enabled. + */ + if (denali->total_used_banks != 1) { printk(KERN_ERR "Sorry, Intel CE4100 only supports " "a single NAND device.\n"); BUG(); @@ -656,150 +498,60 @@ static void find_valid_banks(struct denali_nand_info *denali) static void detect_partition_feature(struct denali_nand_info *denali) { + /* For MRST platform, denali->fwblks represent the + * number of blocks firmware is taken, + * FW is in protect partition and MTD driver has no + * permission to access it. So let driver know how many + * blocks it can't touch. + * */ if (ioread32(denali->flash_reg + FEATURES) & FEATURES__PARTITION) { if ((ioread32(denali->flash_reg + PERM_SRC_ID_1) & PERM_SRC_ID_1__SRCID) == SPECTRA_PARTITION_ID) { - denali->dev_info.wSpectraStartBlock = + denali->fwblks = ((ioread32(denali->flash_reg + MIN_MAX_BANK_1) & MIN_MAX_BANK_1__MIN_VALUE) * - denali->dev_info.wTotalBlocks) + denali->blksperchip) + (ioread32(denali->flash_reg + MIN_BLK_ADDR_1) & MIN_BLK_ADDR_1__VALUE); - - denali->dev_info.wSpectraEndBlock = - (((ioread32(denali->flash_reg + MIN_MAX_BANK_1) & - MIN_MAX_BANK_1__MAX_VALUE) >> 2) * - denali->dev_info.wTotalBlocks) - + - (ioread32(denali->flash_reg + MAX_BLK_ADDR_1) & - MAX_BLK_ADDR_1__VALUE); - - denali->dev_info.wTotalBlocks *= denali->total_used_banks; - - if (denali->dev_info.wSpectraEndBlock >= - denali->dev_info.wTotalBlocks) { - denali->dev_info.wSpectraEndBlock = - denali->dev_info.wTotalBlocks - 1; - } - - denali->dev_info.wDataBlockNum = - denali->dev_info.wSpectraEndBlock - - denali->dev_info.wSpectraStartBlock + 1; - } else { - denali->dev_info.wTotalBlocks *= denali->total_used_banks; - denali->dev_info.wSpectraStartBlock = SPECTRA_START_BLOCK; - denali->dev_info.wSpectraEndBlock = - denali->dev_info.wTotalBlocks - 1; - denali->dev_info.wDataBlockNum = - denali->dev_info.wSpectraEndBlock - - denali->dev_info.wSpectraStartBlock + 1; - } - } else { - denali->dev_info.wTotalBlocks *= denali->total_used_banks; - denali->dev_info.wSpectraStartBlock = SPECTRA_START_BLOCK; - denali->dev_info.wSpectraEndBlock = denali->dev_info.wTotalBlocks - 1; - denali->dev_info.wDataBlockNum = - denali->dev_info.wSpectraEndBlock - - denali->dev_info.wSpectraStartBlock + 1; - } + } else + denali->fwblks = SPECTRA_START_BLOCK; + } else + denali->fwblks = SPECTRA_START_BLOCK; } -static void dump_device_info(struct denali_nand_info *denali) -{ - nand_dbg_print(NAND_DBG_DEBUG, "denali->dev_info:\n"); - nand_dbg_print(NAND_DBG_DEBUG, "DeviceMaker: 0x%x\n", - denali->dev_info.wDeviceMaker); - nand_dbg_print(NAND_DBG_DEBUG, "DeviceID: 0x%x\n", - denali->dev_info.wDeviceID); - nand_dbg_print(NAND_DBG_DEBUG, "DeviceType: 0x%x\n", - denali->dev_info.wDeviceType); - nand_dbg_print(NAND_DBG_DEBUG, "SpectraStartBlock: %d\n", - denali->dev_info.wSpectraStartBlock); - nand_dbg_print(NAND_DBG_DEBUG, "SpectraEndBlock: %d\n", - denali->dev_info.wSpectraEndBlock); - nand_dbg_print(NAND_DBG_DEBUG, "TotalBlocks: %d\n", - denali->dev_info.wTotalBlocks); - nand_dbg_print(NAND_DBG_DEBUG, "PagesPerBlock: %d\n", - denali->dev_info.wPagesPerBlock); - nand_dbg_print(NAND_DBG_DEBUG, "PageSize: %d\n", - denali->dev_info.wPageSize); - nand_dbg_print(NAND_DBG_DEBUG, "PageDataSize: %d\n", - denali->dev_info.wPageDataSize); - nand_dbg_print(NAND_DBG_DEBUG, "PageSpareSize: %d\n", - denali->dev_info.wPageSpareSize); - nand_dbg_print(NAND_DBG_DEBUG, "NumPageSpareFlag: %d\n", - denali->dev_info.wNumPageSpareFlag); - nand_dbg_print(NAND_DBG_DEBUG, "ECCBytesPerSector: %d\n", - denali->dev_info.wECCBytesPerSector); - nand_dbg_print(NAND_DBG_DEBUG, "BlockSize: %d\n", - denali->dev_info.wBlockSize); - nand_dbg_print(NAND_DBG_DEBUG, "BlockDataSize: %d\n", - denali->dev_info.wBlockDataSize); - nand_dbg_print(NAND_DBG_DEBUG, "DataBlockNum: %d\n", - denali->dev_info.wDataBlockNum); - nand_dbg_print(NAND_DBG_DEBUG, "PlaneNum: %d\n", - denali->dev_info.bPlaneNum); - nand_dbg_print(NAND_DBG_DEBUG, "DeviceMainAreaSize: %d\n", - denali->dev_info.wDeviceMainAreaSize); - nand_dbg_print(NAND_DBG_DEBUG, "DeviceSpareAreaSize: %d\n", - denali->dev_info.wDeviceSpareAreaSize); - nand_dbg_print(NAND_DBG_DEBUG, "DevicesConnected: %d\n", - denali->dev_info.wDevicesConnected); - nand_dbg_print(NAND_DBG_DEBUG, "DeviceWidth: %d\n", - denali->dev_info.wDeviceWidth); - nand_dbg_print(NAND_DBG_DEBUG, "HWRevision: 0x%x\n", - denali->dev_info.wHWRevision); - nand_dbg_print(NAND_DBG_DEBUG, "HWFeatures: 0x%x\n", - denali->dev_info.wHWFeatures); - nand_dbg_print(NAND_DBG_DEBUG, "ONFIDevFeatures: 0x%x\n", - denali->dev_info.wONFIDevFeatures); - nand_dbg_print(NAND_DBG_DEBUG, "ONFIOptCommands: 0x%x\n", - denali->dev_info.wONFIOptCommands); - nand_dbg_print(NAND_DBG_DEBUG, "ONFITimingMode: 0x%x\n", - denali->dev_info.wONFITimingMode); - nand_dbg_print(NAND_DBG_DEBUG, "ONFIPgmCacheTimingMode: 0x%x\n", - denali->dev_info.wONFIPgmCacheTimingMode); - nand_dbg_print(NAND_DBG_DEBUG, "MLCDevice: %s\n", - denali->dev_info.MLCDevice ? "Yes" : "No"); - nand_dbg_print(NAND_DBG_DEBUG, "SpareSkipBytes: %d\n", - denali->dev_info.wSpareSkipBytes); - nand_dbg_print(NAND_DBG_DEBUG, "BitsInPageNumber: %d\n", - denali->dev_info.nBitsInPageNumber); - nand_dbg_print(NAND_DBG_DEBUG, "BitsInPageDataSize: %d\n", - denali->dev_info.nBitsInPageDataSize); - nand_dbg_print(NAND_DBG_DEBUG, "BitsInBlockDataSize: %d\n", - denali->dev_info.nBitsInBlockDataSize); -} - -static uint16_t NAND_Read_Device_ID(struct denali_nand_info *denali) +static uint16_t denali_nand_timing_set(struct denali_nand_info *denali) { uint16_t status = PASS; - uint8_t no_of_planes; + uint32_t id_bytes[5], addr; + uint8_t i, maf_id, device_id; nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", __FILE__, __LINE__, __func__); - denali->dev_info.wDeviceMaker = ioread32(denali->flash_reg + MANUFACTURER_ID); - denali->dev_info.wDeviceID = ioread32(denali->flash_reg + DEVICE_ID); - denali->dev_info.bDeviceParam0 = ioread32(denali->flash_reg + DEVICE_PARAM_0); - denali->dev_info.bDeviceParam1 = ioread32(denali->flash_reg + DEVICE_PARAM_1); - denali->dev_info.bDeviceParam2 = ioread32(denali->flash_reg + DEVICE_PARAM_2); - - denali->dev_info.MLCDevice = ioread32(denali->flash_reg + DEVICE_PARAM_0) & 0x0c; + /* Use read id method to get device ID and other + * params. For some NAND chips, controller can't + * report the correct device ID by reading from + * DEVICE_ID register + * */ + addr = (uint32_t)MODE_11 | BANK(denali->flash_bank); + index_addr(denali, (uint32_t)addr | 0, 0x90); + index_addr(denali, (uint32_t)addr | 1, 0); + for (i = 0; i < 5; i++) + index_addr_read_data(denali, addr | 2, &id_bytes[i]); + maf_id = id_bytes[0]; + device_id = id_bytes[1]; if (ioread32(denali->flash_reg + ONFI_DEVICE_NO_OF_LUNS) & ONFI_DEVICE_NO_OF_LUNS__ONFI_DEVICE) { /* ONFI 1.0 NAND */ if (FAIL == get_onfi_nand_para(denali)) return FAIL; - } else if (denali->dev_info.wDeviceMaker == 0xEC) { /* Samsung NAND */ - get_samsung_nand_para(denali); - } else if (denali->dev_info.wDeviceMaker == 0x98) { /* Toshiba NAND */ + } else if (maf_id == 0xEC) { /* Samsung NAND */ + get_samsung_nand_para(denali, device_id); + } else if (maf_id == 0x98) { /* Toshiba NAND */ get_toshiba_nand_para(denali); - } else if (denali->dev_info.wDeviceMaker == 0xAD) { /* Hynix NAND */ - get_hynix_nand_para(denali); - } else { - denali->dev_info.wTotalBlocks = GLOB_HWCTL_DEFAULT_BLKS; + } else if (maf_id == 0xAD) { /* Hynix NAND */ + get_hynix_nand_para(denali, device_id); } nand_dbg_print(NAND_DBG_DEBUG, "Dump timing register values:" @@ -814,88 +566,20 @@ static uint16_t NAND_Read_Device_ID(struct denali_nand_info *denali) ioread32(denali->flash_reg + RDWR_EN_HI_CNT), ioread32(denali->flash_reg + CS_SETUP_CNT)); - denali->dev_info.wHWRevision = ioread32(denali->flash_reg + REVISION); - denali->dev_info.wHWFeatures = ioread32(denali->flash_reg + FEATURES); - - denali->dev_info.wDeviceMainAreaSize = - ioread32(denali->flash_reg + DEVICE_MAIN_AREA_SIZE); - denali->dev_info.wDeviceSpareAreaSize = - ioread32(denali->flash_reg + DEVICE_SPARE_AREA_SIZE); - - denali->dev_info.wPageDataSize = - ioread32(denali->flash_reg + LOGICAL_PAGE_DATA_SIZE); - - /* Note: When using the Micon 4K NAND device, the controller will report - * Page Spare Size as 216 bytes. But Micron's Spec say it's 218 bytes. - * And if force set it to 218 bytes, the controller can not work - * correctly. So just let it be. But keep in mind that this bug may - * cause - * other problems in future. - Yunpeng 2008-10-10 - */ - denali->dev_info.wPageSpareSize = - ioread32(denali->flash_reg + LOGICAL_PAGE_SPARE_SIZE); - - denali->dev_info.wPagesPerBlock = ioread32(denali->flash_reg + PAGES_PER_BLOCK); - - denali->dev_info.wPageSize = - denali->dev_info.wPageDataSize + denali->dev_info.wPageSpareSize; - denali->dev_info.wBlockSize = - denali->dev_info.wPageSize * denali->dev_info.wPagesPerBlock; - denali->dev_info.wBlockDataSize = - denali->dev_info.wPagesPerBlock * denali->dev_info.wPageDataSize; - - denali->dev_info.wDeviceWidth = ioread32(denali->flash_reg + DEVICE_WIDTH); - denali->dev_info.wDeviceType = - ((ioread32(denali->flash_reg + DEVICE_WIDTH) > 0) ? 16 : 8); - - denali->dev_info.wDevicesConnected = ioread32(denali->flash_reg + DEVICES_CONNECTED); - - denali->dev_info.wSpareSkipBytes = - ioread32(denali->flash_reg + SPARE_AREA_SKIP_BYTES) * - denali->dev_info.wDevicesConnected; - - denali->dev_info.nBitsInPageNumber = - ilog2(denali->dev_info.wPagesPerBlock); - denali->dev_info.nBitsInPageDataSize = - ilog2(denali->dev_info.wPageDataSize); - denali->dev_info.nBitsInBlockDataSize = - ilog2(denali->dev_info.wBlockDataSize); - - set_ecc_config(denali); - - no_of_planes = ioread32(denali->flash_reg + NUMBER_OF_PLANES) & - NUMBER_OF_PLANES__VALUE; - - switch (no_of_planes) { - case 0: - case 1: - case 3: - case 7: - denali->dev_info.bPlaneNum = no_of_planes + 1; - break; - default: - status = FAIL; - break; - } - find_valid_banks(denali); detect_partition_feature(denali); - dump_device_info(denali); - /* If the user specified to override the default timings - * with a specific ONFI mode, we apply those changes here. + * with a specific ONFI mode, we apply those changes here. */ if (onfi_timing_mode != NAND_DEFAULT_TIMINGS) - { - NAND_ONFi_Timing_Mode(denali, onfi_timing_mode); - } + nand_onfi_timing_set(denali, onfi_timing_mode); return status; } -static void NAND_LLD_Enable_Disable_Interrupts(struct denali_nand_info *denali, +static void denali_set_intr_modes(struct denali_nand_info *denali, uint16_t INT_ENABLE) { nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", @@ -912,7 +596,7 @@ static void NAND_LLD_Enable_Disable_Interrupts(struct denali_nand_info *denali, */ static inline bool is_flash_bank_valid(int flash_bank) { - return (flash_bank >= 0 && flash_bank < 4); + return (flash_bank >= 0 && flash_bank < 4); } static void denali_irq_init(struct denali_nand_info *denali) @@ -920,7 +604,7 @@ static void denali_irq_init(struct denali_nand_info *denali) uint32_t int_mask = 0; /* Disable global interrupts */ - NAND_LLD_Enable_Disable_Interrupts(denali, false); + denali_set_intr_modes(denali, false); int_mask = DENALI_IRQ_ALL; @@ -935,11 +619,12 @@ static void denali_irq_init(struct denali_nand_info *denali) static void denali_irq_cleanup(int irqnum, struct denali_nand_info *denali) { - NAND_LLD_Enable_Disable_Interrupts(denali, false); + denali_set_intr_modes(denali, false); free_irq(irqnum, denali); } -static void denali_irq_enable(struct denali_nand_info *denali, uint32_t int_mask) +static void denali_irq_enable(struct denali_nand_info *denali, + uint32_t int_mask) { denali_write32(int_mask, denali->flash_reg + INTR_EN0); denali_write32(int_mask, denali->flash_reg + INTR_EN1); @@ -948,15 +633,16 @@ static void denali_irq_enable(struct denali_nand_info *denali, uint32_t int_mask } /* This function only returns when an interrupt that this driver cares about - * occurs. This is to reduce the overhead of servicing interrupts + * occurs. This is to reduce the overhead of servicing interrupts */ static inline uint32_t denali_irq_detected(struct denali_nand_info *denali) { - return (read_interrupt_status(denali) & DENALI_IRQ_ALL); + return read_interrupt_status(denali) & DENALI_IRQ_ALL; } /* Interrupts are cleared by writing a 1 to the appropriate status bit */ -static inline void clear_interrupt(struct denali_nand_info *denali, uint32_t irq_mask) +static inline void clear_interrupt(struct denali_nand_info *denali, + uint32_t irq_mask) { uint32_t intr_status_reg = 0; @@ -995,17 +681,15 @@ static void print_irq_log(struct denali_nand_info *denali) { int i = 0; - printk("ISR debug log index = %X\n", denali->idx); + printk(KERN_INFO "ISR debug log index = %X\n", denali->idx); for (i = 0; i < 32; i++) - { - printk("%08X: %08X\n", i, denali->irq_debug_array[i]); - } + printk(KERN_INFO "%08X: %08X\n", i, denali->irq_debug_array[i]); } #endif -/* This is the interrupt service routine. It handles all interrupts - * sent to this device. Note that on CE4100, this is a shared - * interrupt. +/* This is the interrupt service routine. It handles all interrupts + * sent to this device. Note that on CE4100, this is a shared + * interrupt. */ static irqreturn_t denali_isr(int irq, void *dev_id) { @@ -1015,20 +699,20 @@ static irqreturn_t denali_isr(int irq, void *dev_id) spin_lock(&denali->irq_lock); - /* check to see if a valid NAND chip has - * been selected. + /* check to see if a valid NAND chip has + * been selected. */ - if (is_flash_bank_valid(denali->flash_bank)) - { - /* check to see if controller generated + if (is_flash_bank_valid(denali->flash_bank)) { + /* check to see if controller generated * the interrupt, since this is a shared interrupt */ - if ((irq_status = denali_irq_detected(denali)) != 0) - { + irq_status = denali_irq_detected(denali); + if (irq_status != 0) { #if DEBUG_DENALI - denali->irq_debug_array[denali->idx++] = 0x10000000 | irq_status; + denali->irq_debug_array[denali->idx++] = + 0x10000000 | irq_status; denali->idx %= 32; - printk("IRQ status = 0x%04x\n", irq_status); + printk(KERN_INFO "IRQ status = 0x%04x\n", irq_status); #endif /* handle interrupt */ /* first acknowledge it */ @@ -1054,61 +738,62 @@ static uint32_t wait_for_irq(struct denali_nand_info *denali, uint32_t irq_mask) bool retry = false; unsigned long timeout = msecs_to_jiffies(1000); - do - { + do { #if DEBUG_DENALI - printk("waiting for 0x%x\n", irq_mask); + printk(KERN_INFO "waiting for 0x%x\n", irq_mask); #endif - comp_res = wait_for_completion_timeout(&denali->complete, timeout); + comp_res = + wait_for_completion_timeout(&denali->complete, timeout); spin_lock_irq(&denali->irq_lock); intr_status = denali->irq_status; #if DEBUG_DENALI - denali->irq_debug_array[denali->idx++] = 0x20000000 | (irq_mask << 16) | intr_status; + denali->irq_debug_array[denali->idx++] = + 0x20000000 | (irq_mask << 16) | intr_status; denali->idx %= 32; #endif - if (intr_status & irq_mask) - { + if (intr_status & irq_mask) { denali->irq_status &= ~irq_mask; spin_unlock_irq(&denali->irq_lock); #if DEBUG_DENALI - if (retry) printk("status on retry = 0x%x\n", intr_status); + if (retry) + printk(KERN_INFO "status on retry = 0x%x\n", + intr_status); #endif /* our interrupt was detected */ break; - } - else - { - /* these are not the interrupts you are looking for - - need to wait again */ + } else { + /* these are not the interrupts you are looking for - + * need to wait again */ spin_unlock_irq(&denali->irq_lock); #if DEBUG_DENALI print_irq_log(denali); - printk("received irq nobody cared: irq_status = 0x%x," - " irq_mask = 0x%x, timeout = %ld\n", intr_status, irq_mask, comp_res); + printk(KERN_INFO "received irq nobody cared:" + " irq_status = 0x%x, irq_mask = 0x%x," + " timeout = %ld\n", intr_status, + irq_mask, comp_res); #endif retry = true; } } while (comp_res != 0); - if (comp_res == 0) - { + if (comp_res == 0) { /* timeout */ - printk(KERN_ERR "timeout occurred, status = 0x%x, mask = 0x%x\n", - intr_status, irq_mask); + printk(KERN_ERR "timeout occurred, status = 0x%x, mask = 0x%x\n", + intr_status, irq_mask); intr_status = 0; } return intr_status; } -/* This helper function setups the registers for ECC and whether or not +/* This helper function setups the registers for ECC and whether or not the spare area will be transfered. */ -static void setup_ecc_for_xfer(struct denali_nand_info *denali, bool ecc_en, +static void setup_ecc_for_xfer(struct denali_nand_info *denali, bool ecc_en, bool transfer_spare) { - int ecc_en_flag = 0, transfer_spare_flag = 0; + int ecc_en_flag = 0, transfer_spare_flag = 0; /* set ECC, transfer spare bits if needed */ ecc_en_flag = ecc_en ? ECC_ENABLE__FLAG : 0; @@ -1116,85 +801,85 @@ static void setup_ecc_for_xfer(struct denali_nand_info *denali, bool ecc_en, /* Enable spare area/ECC per user's request. */ denali_write32(ecc_en_flag, denali->flash_reg + ECC_ENABLE); - denali_write32(transfer_spare_flag, denali->flash_reg + TRANSFER_SPARE_REG); + denali_write32(transfer_spare_flag, + denali->flash_reg + TRANSFER_SPARE_REG); } -/* sends a pipeline command operation to the controller. See the Denali NAND - controller's user guide for more information (section 4.2.3.6). +/* sends a pipeline command operation to the controller. See the Denali NAND + controller's user guide for more information (section 4.2.3.6). */ -static int denali_send_pipeline_cmd(struct denali_nand_info *denali, bool ecc_en, - bool transfer_spare, int access_type, - int op) +static int denali_send_pipeline_cmd(struct denali_nand_info *denali, + bool ecc_en, + bool transfer_spare, + int access_type, + int op) { int status = PASS; - uint32_t addr = 0x0, cmd = 0x0, page_count = 1, irq_status = 0, + uint32_t addr = 0x0, cmd = 0x0, page_count = 1, irq_status = 0, irq_mask = 0; - if (op == DENALI_READ) irq_mask = INTR_STATUS0__LOAD_COMP; - else if (op == DENALI_WRITE) irq_mask = 0; - else BUG(); + if (op == DENALI_READ) + irq_mask = INTR_STATUS0__LOAD_COMP; + else if (op == DENALI_WRITE) + irq_mask = 0; + else + BUG(); setup_ecc_for_xfer(denali, ecc_en, transfer_spare); #if DEBUG_DENALI spin_lock_irq(&denali->irq_lock); - denali->irq_debug_array[denali->idx++] = 0x40000000 | ioread32(denali->flash_reg + ECC_ENABLE) | (access_type << 4); + denali->irq_debug_array[denali->idx++] = + 0x40000000 | ioread32(denali->flash_reg + ECC_ENABLE) | + (access_type << 4); denali->idx %= 32; spin_unlock_irq(&denali->irq_lock); #endif /* clear interrupts */ - clear_interrupts(denali); + clear_interrupts(denali); addr = BANK(denali->flash_bank) | denali->page; - if (op == DENALI_WRITE && access_type != SPARE_ACCESS) - { - cmd = MODE_01 | addr; + if (op == DENALI_WRITE && access_type != SPARE_ACCESS) { + cmd = MODE_01 | addr; denali_write32(cmd, denali->flash_mem); - } - else if (op == DENALI_WRITE && access_type == SPARE_ACCESS) - { + } else if (op == DENALI_WRITE && access_type == SPARE_ACCESS) { /* read spare area */ - cmd = MODE_10 | addr; + cmd = MODE_10 | addr; index_addr(denali, (uint32_t)cmd, access_type); - cmd = MODE_01 | addr; + cmd = MODE_01 | addr; denali_write32(cmd, denali->flash_mem); - } - else if (op == DENALI_READ) - { + } else if (op == DENALI_READ) { /* setup page read request for access type */ - cmd = MODE_10 | addr; + cmd = MODE_10 | addr; index_addr(denali, (uint32_t)cmd, access_type); /* page 33 of the NAND controller spec indicates we should not - use the pipeline commands in Spare area only mode. So we + use the pipeline commands in Spare area only mode. So we don't. */ - if (access_type == SPARE_ACCESS) - { + if (access_type == SPARE_ACCESS) { cmd = MODE_01 | addr; denali_write32(cmd, denali->flash_mem); - } - else - { - index_addr(denali, (uint32_t)cmd, 0x2000 | op | page_count); - - /* wait for command to be accepted - * can always use status0 bit as the mask is identical for each + } else { + index_addr(denali, (uint32_t)cmd, + 0x2000 | op | page_count); + + /* wait for command to be accepted + * can always use status0 bit as the + * mask is identical for each * bank. */ irq_status = wait_for_irq(denali, irq_mask); - if (irq_status == 0) - { + if (irq_status == 0) { printk(KERN_ERR "cmd, page, addr on timeout " - "(0x%x, 0x%x, 0x%x)\n", cmd, denali->page, addr); + "(0x%x, 0x%x, 0x%x)\n", cmd, + denali->page, addr); status = FAIL; - } - else - { + } else { cmd = MODE_01 | addr; denali_write32(cmd, denali->flash_mem); } @@ -1204,36 +889,35 @@ static int denali_send_pipeline_cmd(struct denali_nand_info *denali, bool ecc_en } /* helper function that simply writes a buffer to the flash */ -static int write_data_to_flash_mem(struct denali_nand_info *denali, const uint8_t *buf, - int len) +static int write_data_to_flash_mem(struct denali_nand_info *denali, + const uint8_t *buf, + int len) { uint32_t i = 0, *buf32; - /* verify that the len is a multiple of 4. see comment in - * read_data_from_flash_mem() */ + /* verify that the len is a multiple of 4. see comment in + * read_data_from_flash_mem() */ BUG_ON((len % 4) != 0); /* write the data to the flash memory */ buf32 = (uint32_t *)buf; for (i = 0; i < len / 4; i++) - { denali_write32(*buf32++, denali->flash_mem + 0x10); - } - return i*4; /* intent is to return the number of bytes read */ + return i*4; /* intent is to return the number of bytes read */ } /* helper function that simply reads a buffer from the flash */ -static int read_data_from_flash_mem(struct denali_nand_info *denali, uint8_t *buf, - int len) +static int read_data_from_flash_mem(struct denali_nand_info *denali, + uint8_t *buf, + int len) { uint32_t i = 0, *buf32; /* we assume that len will be a multiple of 4, if not * it would be nice to know about it ASAP rather than - * have random failures... - * - * This assumption is based on the fact that this - * function is designed to be used to read flash pages, + * have random failures... + * This assumption is based on the fact that this + * function is designed to be used to read flash pages, * which are typically multiples of 4... */ @@ -1242,10 +926,8 @@ static int read_data_from_flash_mem(struct denali_nand_info *denali, uint8_t *bu /* transfer the data from the flash */ buf32 = (uint32_t *)buf; for (i = 0; i < len / 4; i++) - { *buf32++ = ioread32(denali->flash_mem + 0x10); - } - return i*4; /* intent is to return the number of bytes read */ + return i*4; /* intent is to return the number of bytes read */ } /* writes OOB data to the device */ @@ -1253,38 +935,35 @@ static int write_oob_data(struct mtd_info *mtd, uint8_t *buf, int page) { struct denali_nand_info *denali = mtd_to_denali(mtd); uint32_t irq_status = 0; - uint32_t irq_mask = INTR_STATUS0__PROGRAM_COMP | + uint32_t irq_mask = INTR_STATUS0__PROGRAM_COMP | INTR_STATUS0__PROGRAM_FAIL; int status = 0; denali->page = page; - if (denali_send_pipeline_cmd(denali, false, false, SPARE_ACCESS, - DENALI_WRITE) == PASS) - { + if (denali_send_pipeline_cmd(denali, false, false, SPARE_ACCESS, + DENALI_WRITE) == PASS) { write_data_to_flash_mem(denali, buf, mtd->oobsize); #if DEBUG_DENALI spin_lock_irq(&denali->irq_lock); - denali->irq_debug_array[denali->idx++] = 0x80000000 | mtd->oobsize; + denali->irq_debug_array[denali->idx++] = + 0x80000000 | mtd->oobsize; denali->idx %= 32; spin_unlock_irq(&denali->irq_lock); #endif - + /* wait for operation to complete */ irq_status = wait_for_irq(denali, irq_mask); - if (irq_status == 0) - { + if (irq_status == 0) { printk(KERN_ERR "OOB write failed\n"); status = -EIO; } - } - else - { + } else { printk(KERN_ERR "unable to send pipeline command\n"); - status = -EIO; + status = -EIO; } return status; } @@ -1293,60 +972,56 @@ static int write_oob_data(struct mtd_info *mtd, uint8_t *buf, int page) static void read_oob_data(struct mtd_info *mtd, uint8_t *buf, int page) { struct denali_nand_info *denali = mtd_to_denali(mtd); - uint32_t irq_mask = INTR_STATUS0__LOAD_COMP, irq_status = 0, addr = 0x0, cmd = 0x0; + uint32_t irq_mask = INTR_STATUS0__LOAD_COMP, + irq_status = 0, addr = 0x0, cmd = 0x0; denali->page = page; #if DEBUG_DENALI - printk("read_oob %d\n", page); + printk(KERN_INFO "read_oob %d\n", page); #endif - if (denali_send_pipeline_cmd(denali, false, true, SPARE_ACCESS, - DENALI_READ) == PASS) - { - read_data_from_flash_mem(denali, buf, mtd->oobsize); + if (denali_send_pipeline_cmd(denali, false, true, SPARE_ACCESS, + DENALI_READ) == PASS) { + read_data_from_flash_mem(denali, buf, mtd->oobsize); - /* wait for command to be accepted + /* wait for command to be accepted * can always use status0 bit as the mask is identical for each * bank. */ irq_status = wait_for_irq(denali, irq_mask); if (irq_status == 0) - { - printk(KERN_ERR "page on OOB timeout %d\n", denali->page); - } + printk(KERN_ERR "page on OOB timeout %d\n", + denali->page); /* We set the device back to MAIN_ACCESS here as I observed * instability with the controller if you do a block erase * and the last transaction was a SPARE_ACCESS. Block erase * is reliable (according to the MTD test infrastructure) - * if you are in MAIN_ACCESS. + * if you are in MAIN_ACCESS. */ addr = BANK(denali->flash_bank) | denali->page; - cmd = MODE_10 | addr; + cmd = MODE_10 | addr; index_addr(denali, (uint32_t)cmd, MAIN_ACCESS); #if DEBUG_DENALI spin_lock_irq(&denali->irq_lock); - denali->irq_debug_array[denali->idx++] = 0x60000000 | mtd->oobsize; + denali->irq_debug_array[denali->idx++] = + 0x60000000 | mtd->oobsize; denali->idx %= 32; spin_unlock_irq(&denali->irq_lock); #endif } } -/* this function examines buffers to see if they contain data that +/* this function examines buffers to see if they contain data that * indicate that the buffer is part of an erased region of flash. */ bool is_erased(uint8_t *buf, int len) { int i = 0; for (i = 0; i < len; i++) - { if (buf[i] != 0xFF) - { return false; - } - } return true; } #define ECC_SECTOR_SIZE 512 @@ -1358,65 +1033,59 @@ bool is_erased(uint8_t *buf, int len) #define ECC_ERR_DEVICE(x) ((x) & ERR_CORRECTION_INFO__DEVICE_NR >> 8) #define ECC_LAST_ERR(x) ((x) & ERR_CORRECTION_INFO__LAST_ERR_INFO) -static bool handle_ecc(struct denali_nand_info *denali, uint8_t *buf, +static bool handle_ecc(struct denali_nand_info *denali, uint8_t *buf, uint8_t *oobbuf, uint32_t irq_status) { bool check_erased_page = false; - if (irq_status & INTR_STATUS0__ECC_ERR) - { + if (irq_status & INTR_STATUS0__ECC_ERR) { /* read the ECC errors. we'll ignore them for now */ uint32_t err_address = 0, err_correction_info = 0; uint32_t err_byte = 0, err_sector = 0, err_device = 0; uint32_t err_correction_value = 0; - do - { - err_address = ioread32(denali->flash_reg + + do { + err_address = ioread32(denali->flash_reg + ECC_ERROR_ADDRESS); err_sector = ECC_SECTOR(err_address); err_byte = ECC_BYTE(err_address); - err_correction_info = ioread32(denali->flash_reg + + err_correction_info = ioread32(denali->flash_reg + ERR_CORRECTION_INFO); - err_correction_value = + err_correction_value = ECC_CORRECTION_VALUE(err_correction_info); err_device = ECC_ERR_DEVICE(err_correction_info); - if (ECC_ERROR_CORRECTABLE(err_correction_info)) - { + if (ECC_ERROR_CORRECTABLE(err_correction_info)) { /* offset in our buffer is computed as: - sector number * sector size + offset in + sector number * sector size + offset in sector */ - int offset = err_sector * ECC_SECTOR_SIZE + + int offset = err_sector * ECC_SECTOR_SIZE + err_byte; - if (offset < denali->mtd.writesize) - { + if (offset < denali->mtd.writesize) { /* correct the ECC error */ buf[offset] ^= err_correction_value; denali->mtd.ecc_stats.corrected++; - } - else - { + } else { /* bummer, couldn't correct the error */ printk(KERN_ERR "ECC offset invalid\n"); denali->mtd.ecc_stats.failed++; } - } - else - { - /* if the error is not correctable, need to - * look at the page to see if it is an erased page. - * if so, then it's not a real ECC error */ + } else { + /* if the error is not correctable, need to + * look at the page to see if it is an erased + * page. if so, then it's not a real ECC error + * */ check_erased_page = true; } -#if DEBUG_DENALI - printk("Detected ECC error in page %d: err_addr = 0x%08x," - " info to fix is 0x%08x\n", denali->page, err_address, - err_correction_info); +#if DEBUG_DENALI + printk(KERN_INFO "Detected ECC error in page %d:" + " err_addr = 0x%08x, info to fix is" + " 0x%08x\n", denali->page, err_address, + err_correction_info); #endif } while (!ECC_LAST_ERR(err_correction_info)); } @@ -1428,7 +1097,8 @@ static void denali_enable_dma(struct denali_nand_info *denali, bool en) { uint32_t reg_val = 0x0; - if (en) reg_val = DMA_ENABLE__FLAG; + if (en) + reg_val = DMA_ENABLE__FLAG; denali_write32(reg_val, denali->flash_reg + DMA_ENABLE); ioread32(denali->flash_reg + DMA_ENABLE); @@ -1458,9 +1128,9 @@ static void denali_setup_dma(struct denali_nand_info *denali, int op) index_addr(denali, mode | 0x14000, 0x2400); } -/* writes a page. user specifies type, and this function handles the +/* writes a page. user specifies type, and this function handles the configuration details. */ -static void write_page(struct mtd_info *mtd, struct nand_chip *chip, +static void write_page(struct mtd_info *mtd, struct nand_chip *chip, const uint8_t *buf, bool raw_xfer) { struct denali_nand_info *denali = mtd_to_denali(mtd); @@ -1470,7 +1140,7 @@ static void write_page(struct mtd_info *mtd, struct nand_chip *chip, size_t size = denali->mtd.writesize + denali->mtd.oobsize; uint32_t irq_status = 0; - uint32_t irq_mask = INTR_STATUS0__DMA_CMD_COMP | + uint32_t irq_mask = INTR_STATUS0__DMA_CMD_COMP | INTR_STATUS0__PROGRAM_FAIL; /* if it is a raw xfer, we want to disable ecc, and send @@ -1483,74 +1153,73 @@ static void write_page(struct mtd_info *mtd, struct nand_chip *chip, /* copy buffer into DMA buffer */ memcpy(denali->buf.buf, buf, mtd->writesize); - if (raw_xfer) - { + if (raw_xfer) { /* transfer the data to the spare area */ - memcpy(denali->buf.buf + mtd->writesize, - chip->oob_poi, - mtd->oobsize); + memcpy(denali->buf.buf + mtd->writesize, + chip->oob_poi, + mtd->oobsize); } pci_dma_sync_single_for_device(pci_dev, addr, size, PCI_DMA_TODEVICE); clear_interrupts(denali); - denali_enable_dma(denali, true); + denali_enable_dma(denali, true); denali_setup_dma(denali, DENALI_WRITE); /* wait for operation to complete */ irq_status = wait_for_irq(denali, irq_mask); - if (irq_status == 0) - { - printk(KERN_ERR "timeout on write_page (type = %d)\n", raw_xfer); - denali->status = - (irq_status & INTR_STATUS0__PROGRAM_FAIL) ? NAND_STATUS_FAIL : - PASS; + if (irq_status == 0) { + printk(KERN_ERR "timeout on write_page" + " (type = %d)\n", raw_xfer); + denali->status = + (irq_status & INTR_STATUS0__PROGRAM_FAIL) ? + NAND_STATUS_FAIL : PASS; } - denali_enable_dma(denali, false); + denali_enable_dma(denali, false); pci_dma_sync_single_for_cpu(pci_dev, addr, size, PCI_DMA_TODEVICE); } /* NAND core entry points */ -/* this is the callback that the NAND core calls to write a page. Since - writing a page with ECC or without is similar, all the work is done +/* this is the callback that the NAND core calls to write a page. Since + writing a page with ECC or without is similar, all the work is done by write_page above. */ -static void denali_write_page(struct mtd_info *mtd, struct nand_chip *chip, +static void denali_write_page(struct mtd_info *mtd, struct nand_chip *chip, const uint8_t *buf) { /* for regular page writes, we let HW handle all the ECC - * data written to the device. */ + * data written to the device. */ write_page(mtd, chip, buf, false); } -/* This is the callback that the NAND core calls to write a page without ECC. +/* This is the callback that the NAND core calls to write a page without ECC. raw access is similiar to ECC page writes, so all the work is done in the - write_page() function above. + write_page() function above. */ -static void denali_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip, +static void denali_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip, const uint8_t *buf) { - /* for raw page writes, we want to disable ECC and simply write + /* for raw page writes, we want to disable ECC and simply write whatever data is in the buffer. */ write_page(mtd, chip, buf, true); } -static int denali_write_oob(struct mtd_info *mtd, struct nand_chip *chip, +static int denali_write_oob(struct mtd_info *mtd, struct nand_chip *chip, int page) { - return write_oob_data(mtd, chip->oob_poi, page); + return write_oob_data(mtd, chip->oob_poi, page); } -static int denali_read_oob(struct mtd_info *mtd, struct nand_chip *chip, +static int denali_read_oob(struct mtd_info *mtd, struct nand_chip *chip, int page, int sndcmd) { read_oob_data(mtd, chip->oob_poi, page); - return 0; /* notify NAND core to send command to - * NAND device. */ + return 0; /* notify NAND core to send command to + NAND device. */ } static int denali_read_page(struct mtd_info *mtd, struct nand_chip *chip, @@ -1563,7 +1232,7 @@ static int denali_read_page(struct mtd_info *mtd, struct nand_chip *chip, size_t size = denali->mtd.writesize + denali->mtd.oobsize; uint32_t irq_status = 0; - uint32_t irq_mask = INTR_STATUS0__ECC_TRANSACTION_DONE | + uint32_t irq_mask = INTR_STATUS0__ECC_TRANSACTION_DONE | INTR_STATUS0__ECC_ERR; bool check_erased_page = false; @@ -1581,26 +1250,20 @@ static int denali_read_page(struct mtd_info *mtd, struct nand_chip *chip, pci_dma_sync_single_for_cpu(pci_dev, addr, size, PCI_DMA_FROMDEVICE); memcpy(buf, denali->buf.buf, mtd->writesize); - + check_erased_page = handle_ecc(denali, buf, chip->oob_poi, irq_status); denali_enable_dma(denali, false); - if (check_erased_page) - { + if (check_erased_page) { read_oob_data(&denali->mtd, chip->oob_poi, denali->page); /* check ECC failures that may have occurred on erased pages */ - if (check_erased_page) - { + if (check_erased_page) { if (!is_erased(buf, denali->mtd.writesize)) - { denali->mtd.ecc_stats.failed++; - } if (!is_erased(buf, denali->mtd.oobsize)) - { denali->mtd.ecc_stats.failed++; - } - } + } } return 0; } @@ -1616,7 +1279,7 @@ static int denali_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip, uint32_t irq_status = 0; uint32_t irq_mask = INTR_STATUS0__DMA_CMD_COMP; - + setup_ecc_for_xfer(denali, false, true); denali_enable_dma(denali, true); @@ -1644,12 +1307,10 @@ static uint8_t denali_read_byte(struct mtd_info *mtd) uint8_t result = 0xff; if (denali->buf.head < denali->buf.tail) - { result = denali->buf.buf[denali->buf.head++]; - } #if DEBUG_DENALI - printk("read byte -> 0x%02x\n", result); + printk(KERN_INFO "read byte -> 0x%02x\n", result); #endif return result; } @@ -1658,7 +1319,7 @@ static void denali_select_chip(struct mtd_info *mtd, int chip) { struct denali_nand_info *denali = mtd_to_denali(mtd); #if DEBUG_DENALI - printk("denali select chip %d\n", chip); + printk(KERN_INFO "denali select chip %d\n", chip); #endif spin_lock_irq(&denali->irq_lock); denali->flash_bank = chip; @@ -1672,7 +1333,7 @@ static int denali_waitfunc(struct mtd_info *mtd, struct nand_chip *chip) denali->status = 0; #if DEBUG_DENALI - printk("waitfunc %d\n", status); + printk(KERN_INFO "waitfunc %d\n", status); #endif return status; } @@ -1684,76 +1345,74 @@ static void denali_erase(struct mtd_info *mtd, int page) uint32_t cmd = 0x0, irq_status = 0; #if DEBUG_DENALI - printk("erase page: %d\n", page); + printk(KERN_INFO "erase page: %d\n", page); #endif /* clear interrupts */ - clear_interrupts(denali); + clear_interrupts(denali); /* setup page read request for access type */ cmd = MODE_10 | BANK(denali->flash_bank) | page; index_addr(denali, (uint32_t)cmd, 0x1); /* wait for erase to complete or failure to occur */ - irq_status = wait_for_irq(denali, INTR_STATUS0__ERASE_COMP | + irq_status = wait_for_irq(denali, INTR_STATUS0__ERASE_COMP | INTR_STATUS0__ERASE_FAIL); - denali->status = (irq_status & INTR_STATUS0__ERASE_FAIL) ? NAND_STATUS_FAIL : - PASS; + denali->status = (irq_status & INTR_STATUS0__ERASE_FAIL) ? + NAND_STATUS_FAIL : PASS; } -static void denali_cmdfunc(struct mtd_info *mtd, unsigned int cmd, int col, +static void denali_cmdfunc(struct mtd_info *mtd, unsigned int cmd, int col, int page) { struct denali_nand_info *denali = mtd_to_denali(mtd); + uint32_t addr, id; + int i; #if DEBUG_DENALI - printk("cmdfunc: 0x%x %d %d\n", cmd, col, page); + printk(KERN_INFO "cmdfunc: 0x%x %d %d\n", cmd, col, page); #endif - switch (cmd) - { - case NAND_CMD_PAGEPROG: - break; - case NAND_CMD_STATUS: - read_status(denali); - break; - case NAND_CMD_READID: - reset_buf(denali); - if (denali->flash_bank < denali->total_used_banks) - { - /* write manufacturer information into nand - buffer for NAND subsystem to fetch. - */ - write_byte_to_buf(denali, denali->dev_info.wDeviceMaker); - write_byte_to_buf(denali, denali->dev_info.wDeviceID); - write_byte_to_buf(denali, denali->dev_info.bDeviceParam0); - write_byte_to_buf(denali, denali->dev_info.bDeviceParam1); - write_byte_to_buf(denali, denali->dev_info.bDeviceParam2); - } - else - { - int i; - for (i = 0; i < 5; i++) - write_byte_to_buf(denali, 0xff); - } - break; - case NAND_CMD_READ0: - case NAND_CMD_SEQIN: - denali->page = page; - break; - case NAND_CMD_RESET: - reset_bank(denali); - break; - case NAND_CMD_READOOB: - /* TODO: Read OOB data */ - break; - default: - printk(KERN_ERR ": unsupported command received 0x%x\n", cmd); - break; + switch (cmd) { + case NAND_CMD_PAGEPROG: + break; + case NAND_CMD_STATUS: + read_status(denali); + break; + case NAND_CMD_READID: + reset_buf(denali); + /*sometimes ManufactureId read from register is not right + * e.g. some of Micron MT29F32G08QAA MLC NAND chips + * So here we send READID cmd to NAND insteand + * */ + addr = (uint32_t)MODE_11 | BANK(denali->flash_bank); + index_addr(denali, (uint32_t)addr | 0, 0x90); + index_addr(denali, (uint32_t)addr | 1, 0); + for (i = 0; i < 5; i++) { + index_addr_read_data(denali, + (uint32_t)addr | 2, + &id); + write_byte_to_buf(denali, id); + } + break; + case NAND_CMD_READ0: + case NAND_CMD_SEQIN: + denali->page = page; + break; + case NAND_CMD_RESET: + reset_bank(denali); + break; + case NAND_CMD_READOOB: + /* TODO: Read OOB data */ + break; + default: + printk(KERN_ERR ": unsupported command" + " received 0x%x\n", cmd); + break; } } /* stubs for ECC functions not used by the NAND core */ -static int denali_ecc_calculate(struct mtd_info *mtd, const uint8_t *data, +static int denali_ecc_calculate(struct mtd_info *mtd, const uint8_t *data, uint8_t *ecc_code) { printk(KERN_ERR "denali_ecc_calculate called unexpectedly\n"); @@ -1761,7 +1420,7 @@ static int denali_ecc_calculate(struct mtd_info *mtd, const uint8_t *data, return -EIO; } -static int denali_ecc_correct(struct mtd_info *mtd, uint8_t *data, +static int denali_ecc_correct(struct mtd_info *mtd, uint8_t *data, uint8_t *read_ecc, uint8_t *calc_ecc) { printk(KERN_ERR "denali_ecc_correct called unexpectedly\n"); @@ -1779,10 +1438,18 @@ static void denali_ecc_hwctl(struct mtd_info *mtd, int mode) /* Initialization code to bring the device up to a known good state */ static void denali_hw_init(struct denali_nand_info *denali) { + /* tell driver how many bit controller will skip before + * writing ECC code in OOB, this register may be already + * set by firmware. So we read this value out. + * if this value is 0, just let it be. + * */ + denali->bbtskipbytes = ioread32(denali->flash_reg + + SPARE_AREA_SKIP_BYTES); denali_irq_init(denali); - NAND_Flash_Reset(denali); + denali_nand_reset(denali); denali_write32(0x0F, denali->flash_reg + RB_PIN_ENABLED); - denali_write32(CHIP_EN_DONT_CARE__FLAG, denali->flash_reg + CHIP_ENABLE_DONT_CARE); + denali_write32(CHIP_EN_DONT_CARE__FLAG, + denali->flash_reg + CHIP_ENABLE_DONT_CARE); denali_write32(0x0, denali->flash_reg + SPARE_AREA_SKIP_BYTES); denali_write32(0xffff, denali->flash_reg + SPARE_AREA_MARKER); @@ -1792,25 +1459,18 @@ static void denali_hw_init(struct denali_nand_info *denali) denali_write32(1, denali->flash_reg + ECC_ENABLE); } -/* ECC layout for SLC devices. Denali spec indicates SLC fixed at 4 bytes */ -#define ECC_BYTES_SLC 4 * (2048 / ECC_SECTOR_SIZE) -static struct nand_ecclayout nand_oob_slc = { - .eccbytes = 4, - .eccpos = { 0, 1, 2, 3 }, /* not used */ - .oobfree = {{ - .offset = ECC_BYTES_SLC, - .length = 64 - ECC_BYTES_SLC - }} +/* Althogh controller spec said SLC ECC is forceb to be 4bit, + * but denali controller in MRST only support 15bit and 8bit ECC + * correction + * */ +#define ECC_8BITS 14 +static struct nand_ecclayout nand_8bit_oob = { + .eccbytes = 14, }; -#define ECC_BYTES_MLC 14 * (2048 / ECC_SECTOR_SIZE) -static struct nand_ecclayout nand_oob_mlc_14bit = { - .eccbytes = 14, - .eccpos = { 0, 1, 2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13 }, /* not used */ - .oobfree = {{ - .offset = ECC_BYTES_MLC, - .length = 64 - ECC_BYTES_MLC - }} +#define ECC_15BITS 26 +static struct nand_ecclayout nand_15bit_oob = { + .eccbytes = 26, }; static uint8_t bbt_pattern[] = {'B', 'b', 't', '0' }; @@ -1842,12 +1502,12 @@ void denali_drv_init(struct denali_nand_info *denali) denali->idx = 0; /* setup interrupt handler */ - /* the completion object will be used to notify + /* the completion object will be used to notify * the callee that the interrupt is done */ init_completion(&denali->complete); /* the spinlock will be used to synchronize the ISR - * with any element that might be access shared + * with any element that might be access shared * data (interrupt status) */ spin_lock_init(&denali->irq_lock); @@ -1880,13 +1540,12 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) } if (id->driver_data == INTEL_CE4100) { - /* Due to a silicon limitation, we can only support - * ONFI timing mode 1 and below. - */ - if (onfi_timing_mode < -1 || onfi_timing_mode > 1) - { - printk("Intel CE4100 only supports ONFI timing mode 1 " - "or below\n"); + /* Due to a silicon limitation, we can only support + * ONFI timing mode 1 and below. + */ + if (onfi_timing_mode < -1 || onfi_timing_mode > 1) { + printk(KERN_ERR "Intel CE4100 only supports" + " ONFI timing mode 1 or below\n"); ret = -EINVAL; goto failed_enable; } @@ -1905,7 +1564,9 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) mem_base = csr_base + csr_len; mem_len = csr_len; nand_dbg_print(NAND_DBG_WARN, - "Spectra: No second BAR for PCI device; assuming %08Lx\n", + "Spectra: No second" + " BAR for PCI device;" + " assuming %08Lx\n", (uint64_t)csr_base); } } @@ -1913,16 +1574,16 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) /* Is 32-bit DMA supported? */ ret = pci_set_dma_mask(dev, DMA_BIT_MASK(32)); - if (ret) - { + if (ret) { printk(KERN_ERR "Spectra: no usable DMA configuration\n"); goto failed_enable; } - denali->buf.dma_buf = pci_map_single(dev, denali->buf.buf, DENALI_BUF_SIZE, - PCI_DMA_BIDIRECTIONAL); + denali->buf.dma_buf = + pci_map_single(dev, denali->buf.buf, + DENALI_BUF_SIZE, + PCI_DMA_BIDIRECTIONAL); - if (pci_dma_mapping_error(dev, denali->buf.dma_buf)) - { + if (pci_dma_mapping_error(dev, denali->buf.dma_buf)) { printk(KERN_ERR "Spectra: failed to map DMA buffer\n"); goto failed_enable; } @@ -1970,22 +1631,11 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) } /* now that our ISR is registered, we can enable interrupts */ - NAND_LLD_Enable_Disable_Interrupts(denali, true); + denali_set_intr_modes(denali, true); pci_set_drvdata(dev, denali); - NAND_Read_Device_ID(denali); - - /* MTD supported page sizes vary by kernel. We validate our - kernel supports the device here. - */ - if (denali->dev_info.wPageSize > NAND_MAX_PAGESIZE + NAND_MAX_OOBSIZE) - { - ret = -ENODEV; - printk(KERN_ERR "Spectra: device size not supported by this " - "version of MTD."); - goto failed_nand; - } + denali_nand_timing_set(denali); nand_dbg_print(NAND_DBG_DEBUG, "Dump timing register values:" "acc_clks: %d, re_2_we: %d, we_2_re: %d," @@ -2009,18 +1659,46 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) denali->nand.read_byte = denali_read_byte; denali->nand.waitfunc = denali_waitfunc; - /* scan for NAND devices attached to the controller + /* scan for NAND devices attached to the controller * this is the first stage in a two step process to register - * with the nand subsystem */ - if (nand_scan_ident(&denali->mtd, LLD_MAX_FLASH_BANKS, NULL)) - { + * with the nand subsystem */ + if (nand_scan_ident(&denali->mtd, LLD_MAX_FLASH_BANKS, NULL)) { ret = -ENXIO; goto failed_nand; } - - /* second stage of the NAND scan - * this stage requires information regarding ECC and - * bad block management. */ + + /* MTD supported page sizes vary by kernel. We validate our + * kernel supports the device here. + */ + if (denali->mtd.writesize > NAND_MAX_PAGESIZE + NAND_MAX_OOBSIZE) { + ret = -ENODEV; + printk(KERN_ERR "Spectra: device size not supported by this " + "version of MTD."); + goto failed_nand; + } + + /* support for multi nand + * MTD known nothing about multi nand, + * so we should tell it the real pagesize + * and anything necessery + */ + denali->devnum = ioread32(denali->flash_reg + DEVICES_CONNECTED); + denali->nand.chipsize <<= (denali->devnum - 1); + denali->nand.page_shift += (denali->devnum - 1); + denali->nand.pagemask = (denali->nand.chipsize >> + denali->nand.page_shift) - 1; + denali->nand.bbt_erase_shift += (denali->devnum - 1); + denali->nand.phys_erase_shift = denali->nand.bbt_erase_shift; + denali->nand.chip_shift += (denali->devnum - 1); + denali->mtd.writesize <<= (denali->devnum - 1); + denali->mtd.oobsize <<= (denali->devnum - 1); + denali->mtd.erasesize <<= (denali->devnum - 1); + denali->mtd.size = denali->nand.numchips * denali->nand.chipsize; + denali->bbtskipbytes *= denali->devnum; + + /* second stage of the NAND scan + * this stage requires information regarding ECC and + * bad block management. */ /* Bad block management */ denali->nand.bbt_td = &bbt_main_descr; @@ -2030,26 +1708,57 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) denali->nand.options |= NAND_USE_FLASH_BBT | NAND_SKIP_BBTSCAN; denali->nand.ecc.mode = NAND_ECC_HW_SYNDROME; - if (denali->dev_info.MLCDevice) - { - denali->nand.ecc.layout = &nand_oob_mlc_14bit; - denali->nand.ecc.bytes = ECC_BYTES_MLC; - } - else /* SLC */ - { - denali->nand.ecc.layout = &nand_oob_slc; - denali->nand.ecc.bytes = ECC_BYTES_SLC; + /* Denali Controller only support 15bit and 8bit ECC in MRST, + * so just let controller do 15bit ECC for MLC and 8bit ECC for + * SLC if possible. + * */ + if (denali->nand.cellinfo & 0xc && + (denali->mtd.oobsize > (denali->bbtskipbytes + + ECC_15BITS * (denali->mtd.writesize / + ECC_SECTOR_SIZE)))) { + /* if MLC OOB size is large enough, use 15bit ECC*/ + denali->nand.ecc.layout = &nand_15bit_oob; + denali->nand.ecc.bytes = ECC_15BITS; + denali_write32(15, denali->flash_reg + ECC_CORRECTION); + } else if (denali->mtd.oobsize < (denali->bbtskipbytes + + ECC_8BITS * (denali->mtd.writesize / + ECC_SECTOR_SIZE))) { + printk(KERN_ERR "Your NAND chip OOB is not large enough to" + " contain 8bit ECC correction codes"); + goto failed_nand; + } else { + denali->nand.ecc.layout = &nand_8bit_oob; + denali->nand.ecc.bytes = ECC_8BITS; + denali_write32(8, denali->flash_reg + ECC_CORRECTION); } - /* These functions are required by the NAND core framework, otherwise, - the NAND core will assert. However, we don't need them, so we'll stub - them out. */ + denali->nand.ecc.bytes *= denali->devnum; + denali->nand.ecc.layout->eccbytes *= + denali->mtd.writesize / ECC_SECTOR_SIZE; + denali->nand.ecc.layout->oobfree[0].offset = + denali->bbtskipbytes + denali->nand.ecc.layout->eccbytes; + denali->nand.ecc.layout->oobfree[0].length = + denali->mtd.oobsize - denali->nand.ecc.layout->eccbytes - + denali->bbtskipbytes; + + /* Let driver know the total blocks number and + * how many blocks contained by each nand chip. + * blksperchip will help driver to know how many + * blocks is taken by FW. + * */ + denali->totalblks = denali->mtd.size >> + denali->nand.phys_erase_shift; + denali->blksperchip = denali->totalblks / denali->nand.numchips; + + /* These functions are required by the NAND core framework, otherwise, + * the NAND core will assert. However, we don't need them, so we'll stub + * them out. */ denali->nand.ecc.calculate = denali_ecc_calculate; denali->nand.ecc.correct = denali_ecc_correct; denali->nand.ecc.hwctl = denali_ecc_hwctl; /* override the default read operations */ - denali->nand.ecc.size = denali->mtd.writesize; + denali->nand.ecc.size = ECC_SECTOR_SIZE * denali->devnum; denali->nand.ecc.read_page = denali_read_page; denali->nand.ecc.read_page_raw = denali_read_page_raw; denali->nand.ecc.write_page = denali_write_page; @@ -2058,15 +1767,15 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) denali->nand.ecc.write_oob = denali_write_oob; denali->nand.erase_cmd = denali_erase; - if (nand_scan_tail(&denali->mtd)) - { + if (nand_scan_tail(&denali->mtd)) { ret = -ENXIO; goto failed_nand; } ret = add_mtd_device(&denali->mtd); if (ret) { - printk(KERN_ERR "Spectra: Failed to register MTD device: %d\n", ret); + printk(KERN_ERR "Spectra: Failed to register" + " MTD device: %d\n", ret); goto failed_nand; } return 0; @@ -2079,7 +1788,7 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) failed_remap_csr: pci_release_regions(dev); failed_req_csr: - pci_unmap_single(dev, denali->buf.dma_buf, DENALI_BUF_SIZE, + pci_unmap_single(dev, denali->buf.dma_buf, DENALI_BUF_SIZE, PCI_DMA_BIDIRECTIONAL); failed_enable: kfree(denali); @@ -2103,7 +1812,7 @@ static void denali_pci_remove(struct pci_dev *dev) iounmap(denali->flash_mem); pci_release_regions(dev); pci_disable_device(dev); - pci_unmap_single(dev, denali->buf.dma_buf, DENALI_BUF_SIZE, + pci_unmap_single(dev, denali->buf.dma_buf, DENALI_BUF_SIZE, PCI_DMA_BIDIRECTIONAL); pci_set_drvdata(dev, NULL); kfree(denali); @@ -2120,7 +1829,8 @@ static struct pci_driver denali_pci_driver = { static int __devinit denali_init(void) { - printk(KERN_INFO "Spectra MTD driver built on %s @ %s\n", __DATE__, __TIME__); + printk(KERN_INFO "Spectra MTD driver built on %s @ %s\n", + __DATE__, __TIME__); return pci_register_driver(&denali_pci_driver); } diff --git a/drivers/mtd/nand/denali.h b/drivers/mtd/nand/denali.h index 422a29a..b680474 100644 --- a/drivers/mtd/nand/denali.h +++ b/drivers/mtd/nand/denali.h @@ -17,7 +17,7 @@ * */ -#include <linux/mtd/nand.h> +#include <linux/mtd/nand.h> #define DEVICE_RESET 0x0 #define DEVICE_RESET__BANK0 0x0001 @@ -29,7 +29,7 @@ #define TRANSFER_SPARE_REG__FLAG 0x0001 #define LOAD_WAIT_CNT 0x20 -#define LOAD_WAIT_CNT__VALUE 0xffff +#define LOAD_WAIT_CNT__VALUE 0xffff #define PROGRAM_WAIT_CNT 0x30 #define PROGRAM_WAIT_CNT__VALUE 0xffff @@ -83,7 +83,7 @@ #define RE_2_WE 0x120 #define RE_2_WE__VALUE 0x003f -#define ACC_CLKS 0x130 +#define ACC_CLKS 0x130 #define ACC_CLKS__VALUE 0x000f #define NUMBER_OF_PLANES 0x140 @@ -140,7 +140,7 @@ #define DEVICES_CONNECTED 0x250 #define DEVICES_CONNECTED__VALUE 0x0007 -#define DIE_MASK 0x260 +#define DIE_MASK 0x260 #define DIE_MASK__VALUE 0x00ff #define FIRST_BLOCK_OF_NEXT_PLANE 0x270 @@ -152,7 +152,7 @@ #define RE_2_RE 0x290 #define RE_2_RE__VALUE 0x003f -#define MANUFACTURER_ID 0x300 +#define MANUFACTURER_ID 0x300 #define MANUFACTURER_ID__VALUE 0x00ff #define DEVICE_ID 0x310 @@ -173,13 +173,13 @@ #define LOGICAL_PAGE_SPARE_SIZE 0x360 #define LOGICAL_PAGE_SPARE_SIZE__VALUE 0xffff -#define REVISION 0x370 +#define REVISION 0x370 #define REVISION__VALUE 0xffff #define ONFI_DEVICE_FEATURES 0x380 #define ONFI_DEVICE_FEATURES__VALUE 0x003f -#define ONFI_OPTIONAL_COMMANDS 0x390 +#define ONFI_OPTIONAL_COMMANDS 0x390 #define ONFI_OPTIONAL_COMMANDS__VALUE 0x003f #define ONFI_TIMING_MODE 0x3a0 @@ -201,12 +201,12 @@ #define FEATURES 0x3f0 #define FEATURES__N_BANKS 0x0003 #define FEATURES__ECC_MAX_ERR 0x003c -#define FEATURES__DMA 0x0040 +#define FEATURES__DMA 0x0040 #define FEATURES__CMD_DMA 0x0080 #define FEATURES__PARTITION 0x0100 #define FEATURES__XDMA_SIDEBAND 0x0200 #define FEATURES__GPREG 0x0400 -#define FEATURES__INDEX_ADDR 0x0800 +#define FEATURES__INDEX_ADDR 0x0800 #define TRANSFER_MODE 0x400 #define TRANSFER_MODE__VALUE 0x0003 @@ -235,12 +235,12 @@ #define INTR_EN0__DMA_CMD_COMP 0x0004 #define INTR_EN0__TIME_OUT 0x0008 #define INTR_EN0__PROGRAM_FAIL 0x0010 -#define INTR_EN0__ERASE_FAIL 0x0020 +#define INTR_EN0__ERASE_FAIL 0x0020 #define INTR_EN0__LOAD_COMP 0x0040 #define INTR_EN0__PROGRAM_COMP 0x0080 -#define INTR_EN0__ERASE_COMP 0x0100 +#define INTR_EN0__ERASE_COMP 0x0100 #define INTR_EN0__PIPE_CPYBCK_CMD_COMP 0x0200 -#define INTR_EN0__LOCKED_BLK 0x0400 +#define INTR_EN0__LOCKED_BLK 0x0400 #define INTR_EN0__UNSUP_CMD 0x0800 #define INTR_EN0__INT_ACT 0x1000 #define INTR_EN0__RST_COMP 0x2000 @@ -253,7 +253,7 @@ #define ERR_PAGE_ADDR0 0x440 #define ERR_PAGE_ADDR0__VALUE 0xffff -#define ERR_BLOCK_ADDR0 0x450 +#define ERR_BLOCK_ADDR0 0x450 #define ERR_BLOCK_ADDR0__VALUE 0xffff #define INTR_STATUS1 0x460 @@ -280,12 +280,12 @@ #define INTR_EN1__DMA_CMD_COMP 0x0004 #define INTR_EN1__TIME_OUT 0x0008 #define INTR_EN1__PROGRAM_FAIL 0x0010 -#define INTR_EN1__ERASE_FAIL 0x0020 +#define INTR_EN1__ERASE_FAIL 0x0020 #define INTR_EN1__LOAD_COMP 0x0040 #define INTR_EN1__PROGRAM_COMP 0x0080 -#define INTR_EN1__ERASE_COMP 0x0100 +#define INTR_EN1__ERASE_COMP 0x0100 #define INTR_EN1__PIPE_CPYBCK_CMD_COMP 0x0200 -#define INTR_EN1__LOCKED_BLK 0x0400 +#define INTR_EN1__LOCKED_BLK 0x0400 #define INTR_EN1__UNSUP_CMD 0x0800 #define INTR_EN1__INT_ACT 0x1000 #define INTR_EN1__RST_COMP 0x2000 @@ -298,7 +298,7 @@ #define ERR_PAGE_ADDR1 0x490 #define ERR_PAGE_ADDR1__VALUE 0xffff -#define ERR_BLOCK_ADDR1 0x4a0 +#define ERR_BLOCK_ADDR1 0x4a0 #define ERR_BLOCK_ADDR1__VALUE 0xffff #define INTR_STATUS2 0x4b0 @@ -325,12 +325,12 @@ #define INTR_EN2__DMA_CMD_COMP 0x0004 #define INTR_EN2__TIME_OUT 0x0008 #define INTR_EN2__PROGRAM_FAIL 0x0010 -#define INTR_EN2__ERASE_FAIL 0x0020 +#define INTR_EN2__ERASE_FAIL 0x0020 #define INTR_EN2__LOAD_COMP 0x0040 #define INTR_EN2__PROGRAM_COMP 0x0080 -#define INTR_EN2__ERASE_COMP 0x0100 +#define INTR_EN2__ERASE_COMP 0x0100 #define INTR_EN2__PIPE_CPYBCK_CMD_COMP 0x0200 -#define INTR_EN2__LOCKED_BLK 0x0400 +#define INTR_EN2__LOCKED_BLK 0x0400 #define INTR_EN2__UNSUP_CMD 0x0800 #define INTR_EN2__INT_ACT 0x1000 #define INTR_EN2__RST_COMP 0x2000 @@ -343,7 +343,7 @@ #define ERR_PAGE_ADDR2 0x4e0 #define ERR_PAGE_ADDR2__VALUE 0xffff -#define ERR_BLOCK_ADDR2 0x4f0 +#define ERR_BLOCK_ADDR2 0x4f0 #define ERR_BLOCK_ADDR2__VALUE 0xffff #define INTR_STATUS3 0x500 @@ -370,12 +370,12 @@ #define INTR_EN3__DMA_CMD_COMP 0x0004 #define INTR_EN3__TIME_OUT 0x0008 #define INTR_EN3__PROGRAM_FAIL 0x0010 -#define INTR_EN3__ERASE_FAIL 0x0020 +#define INTR_EN3__ERASE_FAIL 0x0020 #define INTR_EN3__LOAD_COMP 0x0040 #define INTR_EN3__PROGRAM_COMP 0x0080 -#define INTR_EN3__ERASE_COMP 0x0100 +#define INTR_EN3__ERASE_COMP 0x0100 #define INTR_EN3__PIPE_CPYBCK_CMD_COMP 0x0200 -#define INTR_EN3__LOCKED_BLK 0x0400 +#define INTR_EN3__LOCKED_BLK 0x0400 #define INTR_EN3__UNSUP_CMD 0x0800 #define INTR_EN3__INT_ACT 0x1000 #define INTR_EN3__RST_COMP 0x2000 @@ -388,7 +388,7 @@ #define ERR_PAGE_ADDR3 0x530 #define ERR_PAGE_ADDR3__VALUE 0xffff -#define ERR_BLOCK_ADDR3 0x540 +#define ERR_BLOCK_ADDR3 0x540 #define ERR_BLOCK_ADDR3__VALUE 0xffff #define DATA_INTR 0x550 @@ -412,9 +412,9 @@ #define GPREG_3__VALUE 0xffff #define ECC_THRESHOLD 0x600 -#define ECC_THRESHOLD__VALUE 0x03ff +#define ECC_THRESHOLD__VALUE 0x03ff -#define ECC_ERROR_BLOCK_ADDRESS 0x610 +#define ECC_ERROR_BLOCK_ADDRESS 0x610 #define ECC_ERROR_BLOCK_ADDRESS__VALUE 0xffff #define ECC_ERROR_PAGE_ADDRESS 0x620 @@ -466,7 +466,7 @@ #define CHNL_ACTIVE__CHANNEL3 0x0008 #define ACTIVE_SRC_ID 0x800 -#define ACTIVE_SRC_ID__VALUE 0x00ff +#define ACTIVE_SRC_ID__VALUE 0x00ff #define PTN_INTR 0x810 #define PTN_INTR__CONFIG_ERROR 0x0001 @@ -485,7 +485,7 @@ #define PTN_INTR_EN__REG_ACCESS_ERROR 0x0020 #define PERM_SRC_ID_0 0x830 -#define PERM_SRC_ID_0__SRCID 0x00ff +#define PERM_SRC_ID_0__SRCID 0x00ff #define PERM_SRC_ID_0__DIRECT_ACCESS_ACTIVE 0x0800 #define PERM_SRC_ID_0__WRITE_ACTIVE 0x2000 #define PERM_SRC_ID_0__READ_ACTIVE 0x4000 @@ -502,7 +502,7 @@ #define MIN_MAX_BANK_0__MAX_VALUE 0x000c #define PERM_SRC_ID_1 0x870 -#define PERM_SRC_ID_1__SRCID 0x00ff +#define PERM_SRC_ID_1__SRCID 0x00ff #define PERM_SRC_ID_1__DIRECT_ACCESS_ACTIVE 0x0800 #define PERM_SRC_ID_1__WRITE_ACTIVE 0x2000 #define PERM_SRC_ID_1__READ_ACTIVE 0x4000 @@ -519,7 +519,7 @@ #define MIN_MAX_BANK_1__MAX_VALUE 0x000c #define PERM_SRC_ID_2 0x8b0 -#define PERM_SRC_ID_2__SRCID 0x00ff +#define PERM_SRC_ID_2__SRCID 0x00ff #define PERM_SRC_ID_2__DIRECT_ACCESS_ACTIVE 0x0800 #define PERM_SRC_ID_2__WRITE_ACTIVE 0x2000 #define PERM_SRC_ID_2__READ_ACTIVE 0x4000 @@ -536,7 +536,7 @@ #define MIN_MAX_BANK_2__MAX_VALUE 0x000c #define PERM_SRC_ID_3 0x8f0 -#define PERM_SRC_ID_3__SRCID 0x00ff +#define PERM_SRC_ID_3__SRCID 0x00ff #define PERM_SRC_ID_3__DIRECT_ACCESS_ACTIVE 0x0800 #define PERM_SRC_ID_3__WRITE_ACTIVE 0x2000 #define PERM_SRC_ID_3__READ_ACTIVE 0x4000 @@ -553,7 +553,7 @@ #define MIN_MAX_BANK_3__MAX_VALUE 0x000c #define PERM_SRC_ID_4 0x930 -#define PERM_SRC_ID_4__SRCID 0x00ff +#define PERM_SRC_ID_4__SRCID 0x00ff #define PERM_SRC_ID_4__DIRECT_ACCESS_ACTIVE 0x0800 #define PERM_SRC_ID_4__WRITE_ACTIVE 0x2000 #define PERM_SRC_ID_4__READ_ACTIVE 0x4000 @@ -570,7 +570,7 @@ #define MIN_MAX_BANK_4__MAX_VALUE 0x000c #define PERM_SRC_ID_5 0x970 -#define PERM_SRC_ID_5__SRCID 0x00ff +#define PERM_SRC_ID_5__SRCID 0x00ff #define PERM_SRC_ID_5__DIRECT_ACCESS_ACTIVE 0x0800 #define PERM_SRC_ID_5__WRITE_ACTIVE 0x2000 #define PERM_SRC_ID_5__READ_ACTIVE 0x4000 @@ -587,7 +587,7 @@ #define MIN_MAX_BANK_5__MAX_VALUE 0x000c #define PERM_SRC_ID_6 0x9b0 -#define PERM_SRC_ID_6__SRCID 0x00ff +#define PERM_SRC_ID_6__SRCID 0x00ff #define PERM_SRC_ID_6__DIRECT_ACCESS_ACTIVE 0x0800 #define PERM_SRC_ID_6__WRITE_ACTIVE 0x2000 #define PERM_SRC_ID_6__READ_ACTIVE 0x4000 @@ -604,7 +604,7 @@ #define MIN_MAX_BANK_6__MAX_VALUE 0x000c #define PERM_SRC_ID_7 0x9f0 -#define PERM_SRC_ID_7__SRCID 0x00ff +#define PERM_SRC_ID_7__SRCID 0x00ff #define PERM_SRC_ID_7__DIRECT_ACCESS_ACTIVE 0x0800 #define PERM_SRC_ID_7__WRITE_ACTIVE 0x2000 #define PERM_SRC_ID_7__READ_ACTIVE 0x4000 @@ -620,47 +620,6 @@ #define MIN_MAX_BANK_7__MIN_VALUE 0x0003 #define MIN_MAX_BANK_7__MAX_VALUE 0x000c -/* flash.h */ -struct device_info_tag { - uint16_t wDeviceMaker; - uint16_t wDeviceID; - uint8_t bDeviceParam0; - uint8_t bDeviceParam1; - uint8_t bDeviceParam2; - uint32_t wDeviceType; - uint32_t wSpectraStartBlock; - uint32_t wSpectraEndBlock; - uint32_t wTotalBlocks; - uint16_t wPagesPerBlock; - uint16_t wPageSize; - uint16_t wPageDataSize; - uint16_t wPageSpareSize; - uint16_t wNumPageSpareFlag; - uint16_t wECCBytesPerSector; - uint32_t wBlockSize; - uint32_t wBlockDataSize; - uint32_t wDataBlockNum; - uint8_t bPlaneNum; - uint16_t wDeviceMainAreaSize; - uint16_t wDeviceSpareAreaSize; - uint16_t wDevicesConnected; - uint16_t wDeviceWidth; - uint16_t wHWRevision; - uint16_t wHWFeatures; - - uint16_t wONFIDevFeatures; - uint16_t wONFIOptCommands; - uint16_t wONFITimingMode; - uint16_t wONFIPgmCacheTimingMode; - - uint16_t MLCDevice; - uint16_t wSpareSkipBytes; - - uint8_t nBitsInPageNumber; - uint8_t nBitsInPageDataSize; - uint8_t nBitsInBlockDataSize; -}; - /* ffsdefs.h */ #define CLEAR 0 /*use this to clear a field instead of "fail"*/ #define SET 1 /*use this to set a field instead of "pass"*/ @@ -684,11 +643,11 @@ struct device_info_tag { #define NAND_DBG_TRACE 3 #ifdef VERBOSE -#define nand_dbg_print(level, args...) \ - do { \ - if (level <= nand_debug_level) \ - printk(KERN_ALERT args); \ - } while (0) +#define nand_dbg_print(level, args...) \ + do { \ + if (level <= nand_debug_level) \ + printk(KERN_ALERT args); \ + } while (0) #else #define nand_dbg_print(level, args...) #endif @@ -772,10 +731,9 @@ struct device_info_tag { #define ECC_SECTOR_SIZE 512 #define LLD_MAX_FLASH_BANKS 4 -#define DENALI_BUF_SIZE NAND_MAX_PAGESIZE + NAND_MAX_OOBSIZE +#define DENALI_BUF_SIZE (NAND_MAX_PAGESIZE + NAND_MAX_OOBSIZE) -struct nand_buf -{ +struct nand_buf { int head; int tail; uint8_t buf[DENALI_BUF_SIZE]; @@ -788,7 +746,6 @@ struct nand_buf struct denali_nand_info { struct mtd_info mtd; struct nand_chip nand; - struct device_info_tag dev_info; int flash_bank; /* currently selected chip */ int status; int platform; @@ -806,11 +763,12 @@ struct denali_nand_info { uint32_t irq_status; int irq_debug_array[32]; int idx; -}; -static uint16_t NAND_Flash_Reset(struct denali_nand_info *denali); -static uint16_t NAND_Read_Device_ID(struct denali_nand_info *denali); -static void NAND_LLD_Enable_Disable_Interrupts(struct denali_nand_info *denali, uint16_t INT_ENABLE); + uint32_t devnum; /* represent how many nands connected */ + uint32_t fwblks; /* represent how many blocks FW used */ + uint32_t totalblks; + uint32_t blksperchip; + uint32_t bbtskipbytes; +}; #endif /*_LLD_NAND_*/ - diff --git a/drivers/mtd/nand/diskonchip.c b/drivers/mtd/nand/diskonchip.c index 47067bc..b7f8de7 100644 --- a/drivers/mtd/nand/diskonchip.c +++ b/drivers/mtd/nand/diskonchip.c @@ -29,7 +29,6 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/nand.h> #include <linux/mtd/doc2000.h> -#include <linux/mtd/compatmac.h> #include <linux/mtd/partitions.h> #include <linux/mtd/inftl.h> @@ -146,6 +145,7 @@ static int doc_ecc_decode(struct rs_control *rs, uint8_t *data, uint8_t *ecc) uint8_t parity; uint16_t ds[4], s[5], tmp, errval[8], syn[4]; + memset(syn, 0, sizeof(syn)); /* Convert the ecc bytes into words */ ds[0] = ((ecc[4] & 0xff) >> 0) | ((ecc[5] & 0x03) << 8); ds[1] = ((ecc[5] & 0xfc) >> 2) | ((ecc[2] & 0x0f) << 6); @@ -169,9 +169,9 @@ static int doc_ecc_decode(struct rs_control *rs, uint8_t *data, uint8_t *ecc) s[i] ^= rs->alpha_to[rs_modnn(rs, tmp + (FCR + i) * j)]; } - /* Calc s[i] = s[i] / alpha^(v + i) */ + /* Calc syn[i] = s[i] / alpha^(v + i) */ for (i = 0; i < NROOTS; i++) { - if (syn[i]) + if (s[i]) syn[i] = rs_modnn(rs, rs->index_of[s[i]] + (NN - FCR - i)); } /* Call the decoder library */ diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c index 0d76b16..fcf8ceb 100644 --- a/drivers/mtd/nand/mxc_nand.c +++ b/drivers/mtd/nand/mxc_nand.c @@ -39,60 +39,96 @@ #define nfc_is_v21() (cpu_is_mx25() || cpu_is_mx35()) #define nfc_is_v1() (cpu_is_mx31() || cpu_is_mx27() || cpu_is_mx21()) +#define nfc_is_v3_2() cpu_is_mx51() +#define nfc_is_v3() nfc_is_v3_2() /* Addresses for NFC registers */ -#define NFC_BUF_SIZE 0xE00 -#define NFC_BUF_ADDR 0xE04 -#define NFC_FLASH_ADDR 0xE06 -#define NFC_FLASH_CMD 0xE08 -#define NFC_CONFIG 0xE0A -#define NFC_ECC_STATUS_RESULT 0xE0C -#define NFC_RSLTMAIN_AREA 0xE0E -#define NFC_RSLTSPARE_AREA 0xE10 -#define NFC_WRPROT 0xE12 -#define NFC_V1_UNLOCKSTART_BLKADDR 0xe14 -#define NFC_V1_UNLOCKEND_BLKADDR 0xe16 -#define NFC_V21_UNLOCKSTART_BLKADDR 0xe20 -#define NFC_V21_UNLOCKEND_BLKADDR 0xe22 -#define NFC_NF_WRPRST 0xE18 -#define NFC_CONFIG1 0xE1A -#define NFC_CONFIG2 0xE1C - -/* Set INT to 0, FCMD to 1, rest to 0 in NFC_CONFIG2 Register - * for Command operation */ -#define NFC_CMD 0x1 - -/* Set INT to 0, FADD to 1, rest to 0 in NFC_CONFIG2 Register - * for Address operation */ -#define NFC_ADDR 0x2 - -/* Set INT to 0, FDI to 1, rest to 0 in NFC_CONFIG2 Register - * for Input operation */ -#define NFC_INPUT 0x4 - -/* Set INT to 0, FDO to 001, rest to 0 in NFC_CONFIG2 Register - * for Data Output operation */ -#define NFC_OUTPUT 0x8 - -/* Set INT to 0, FD0 to 010, rest to 0 in NFC_CONFIG2 Register - * for Read ID operation */ -#define NFC_ID 0x10 - -/* Set INT to 0, FDO to 100, rest to 0 in NFC_CONFIG2 Register - * for Read Status operation */ -#define NFC_STATUS 0x20 - -/* Set INT to 1, rest to 0 in NFC_CONFIG2 Register for Read - * Status operation */ -#define NFC_INT 0x8000 - -#define NFC_SP_EN (1 << 2) -#define NFC_ECC_EN (1 << 3) -#define NFC_INT_MSK (1 << 4) -#define NFC_BIG (1 << 5) -#define NFC_RST (1 << 6) -#define NFC_CE (1 << 7) -#define NFC_ONE_CYCLE (1 << 8) +#define NFC_V1_V2_BUF_SIZE (host->regs + 0x00) +#define NFC_V1_V2_BUF_ADDR (host->regs + 0x04) +#define NFC_V1_V2_FLASH_ADDR (host->regs + 0x06) +#define NFC_V1_V2_FLASH_CMD (host->regs + 0x08) +#define NFC_V1_V2_CONFIG (host->regs + 0x0a) +#define NFC_V1_V2_ECC_STATUS_RESULT (host->regs + 0x0c) +#define NFC_V1_V2_RSLTMAIN_AREA (host->regs + 0x0e) +#define NFC_V1_V2_RSLTSPARE_AREA (host->regs + 0x10) +#define NFC_V1_V2_WRPROT (host->regs + 0x12) +#define NFC_V1_UNLOCKSTART_BLKADDR (host->regs + 0x14) +#define NFC_V1_UNLOCKEND_BLKADDR (host->regs + 0x16) +#define NFC_V21_UNLOCKSTART_BLKADDR (host->regs + 0x20) +#define NFC_V21_UNLOCKEND_BLKADDR (host->regs + 0x22) +#define NFC_V1_V2_NF_WRPRST (host->regs + 0x18) +#define NFC_V1_V2_CONFIG1 (host->regs + 0x1a) +#define NFC_V1_V2_CONFIG2 (host->regs + 0x1c) + +#define NFC_V2_CONFIG1_ECC_MODE_4 (1 << 0) +#define NFC_V1_V2_CONFIG1_SP_EN (1 << 2) +#define NFC_V1_V2_CONFIG1_ECC_EN (1 << 3) +#define NFC_V1_V2_CONFIG1_INT_MSK (1 << 4) +#define NFC_V1_V2_CONFIG1_BIG (1 << 5) +#define NFC_V1_V2_CONFIG1_RST (1 << 6) +#define NFC_V1_V2_CONFIG1_CE (1 << 7) +#define NFC_V1_V2_CONFIG1_ONE_CYCLE (1 << 8) + +#define NFC_V1_V2_CONFIG2_INT (1 << 15) + +/* + * Operation modes for the NFC. Valid for v1, v2 and v3 + * type controllers. + */ +#define NFC_CMD (1 << 0) +#define NFC_ADDR (1 << 1) +#define NFC_INPUT (1 << 2) +#define NFC_OUTPUT (1 << 3) +#define NFC_ID (1 << 4) +#define NFC_STATUS (1 << 5) + +#define NFC_V3_FLASH_CMD (host->regs_axi + 0x00) +#define NFC_V3_FLASH_ADDR0 (host->regs_axi + 0x04) + +#define NFC_V3_CONFIG1 (host->regs_axi + 0x34) +#define NFC_V3_CONFIG1_SP_EN (1 << 0) +#define NFC_V3_CONFIG1_RBA(x) (((x) & 0x7 ) << 4) + +#define NFC_V3_ECC_STATUS_RESULT (host->regs_axi + 0x38) + +#define NFC_V3_LAUNCH (host->regs_axi + 0x40) + +#define NFC_V3_WRPROT (host->regs_ip + 0x0) +#define NFC_V3_WRPROT_LOCK_TIGHT (1 << 0) +#define NFC_V3_WRPROT_LOCK (1 << 1) +#define NFC_V3_WRPROT_UNLOCK (1 << 2) +#define NFC_V3_WRPROT_BLS_UNLOCK (2 << 6) + +#define NFC_V3_WRPROT_UNLOCK_BLK_ADD0 (host->regs_ip + 0x04) + +#define NFC_V3_CONFIG2 (host->regs_ip + 0x24) +#define NFC_V3_CONFIG2_PS_512 (0 << 0) +#define NFC_V3_CONFIG2_PS_2048 (1 << 0) +#define NFC_V3_CONFIG2_PS_4096 (2 << 0) +#define NFC_V3_CONFIG2_ONE_CYCLE (1 << 2) +#define NFC_V3_CONFIG2_ECC_EN (1 << 3) +#define NFC_V3_CONFIG2_2CMD_PHASES (1 << 4) +#define NFC_V3_CONFIG2_NUM_ADDR_PHASE0 (1 << 5) +#define NFC_V3_CONFIG2_ECC_MODE_8 (1 << 6) +#define NFC_V3_CONFIG2_PPB(x) (((x) & 0x3) << 7) +#define NFC_V3_CONFIG2_NUM_ADDR_PHASE1(x) (((x) & 0x3) << 12) +#define NFC_V3_CONFIG2_INT_MSK (1 << 15) +#define NFC_V3_CONFIG2_ST_CMD(x) (((x) & 0xff) << 24) +#define NFC_V3_CONFIG2_SPAS(x) (((x) & 0xff) << 16) + +#define NFC_V3_CONFIG3 (host->regs_ip + 0x28) +#define NFC_V3_CONFIG3_ADD_OP(x) (((x) & 0x3) << 0) +#define NFC_V3_CONFIG3_FW8 (1 << 3) +#define NFC_V3_CONFIG3_SBB(x) (((x) & 0x7) << 8) +#define NFC_V3_CONFIG3_NUM_OF_DEVICES(x) (((x) & 0x7) << 12) +#define NFC_V3_CONFIG3_RBB_MODE (1 << 15) +#define NFC_V3_CONFIG3_NO_SDMA (1 << 20) + +#define NFC_V3_IPC (host->regs_ip + 0x2C) +#define NFC_V3_IPC_CREQ (1 << 0) +#define NFC_V3_IPC_INT (1 << 31) + +#define NFC_V3_DELAY_LINE (host->regs_ip + 0x34) struct mxc_nand_host { struct mtd_info mtd; @@ -102,20 +138,30 @@ struct mxc_nand_host { void *spare0; void *main_area0; - void *main_area1; void __iomem *base; void __iomem *regs; + void __iomem *regs_axi; + void __iomem *regs_ip; int status_request; struct clk *clk; int clk_act; int irq; + int eccsize; wait_queue_head_t irq_waitq; uint8_t *data_buf; unsigned int buf_start; int spare_len; + + void (*preset)(struct mtd_info *); + void (*send_cmd)(struct mxc_nand_host *, uint16_t, int); + void (*send_addr)(struct mxc_nand_host *, uint16_t, int); + void (*send_page)(struct mtd_info *, unsigned int); + void (*send_read_id)(struct mxc_nand_host *); + uint16_t (*get_dev_status)(struct mxc_nand_host *); + int (*check_int)(struct mxc_nand_host *); }; /* OOB placement block for use with hardware ecc generation */ @@ -175,34 +221,52 @@ static irqreturn_t mxc_nfc_irq(int irq, void *dev_id) return IRQ_HANDLED; } +static int check_int_v3(struct mxc_nand_host *host) +{ + uint32_t tmp; + + tmp = readl(NFC_V3_IPC); + if (!(tmp & NFC_V3_IPC_INT)) + return 0; + + tmp &= ~NFC_V3_IPC_INT; + writel(tmp, NFC_V3_IPC); + + return 1; +} + +static int check_int_v1_v2(struct mxc_nand_host *host) +{ + uint32_t tmp; + + tmp = readw(NFC_V1_V2_CONFIG2); + if (!(tmp & NFC_V1_V2_CONFIG2_INT)) + return 0; + + writew(tmp & ~NFC_V1_V2_CONFIG2_INT, NFC_V1_V2_CONFIG2); + + return 1; +} + /* This function polls the NANDFC to wait for the basic operation to * complete by checking the INT bit of config2 register. */ static void wait_op_done(struct mxc_nand_host *host, int useirq) { - uint16_t tmp; int max_retries = 8000; if (useirq) { - if ((readw(host->regs + NFC_CONFIG2) & NFC_INT) == 0) { + if (!host->check_int(host)) { enable_irq(host->irq); - wait_event(host->irq_waitq, - readw(host->regs + NFC_CONFIG2) & NFC_INT); - - tmp = readw(host->regs + NFC_CONFIG2); - tmp &= ~NFC_INT; - writew(tmp, host->regs + NFC_CONFIG2); + wait_event(host->irq_waitq, host->check_int(host)); } } else { while (max_retries-- > 0) { - if (readw(host->regs + NFC_CONFIG2) & NFC_INT) { - tmp = readw(host->regs + NFC_CONFIG2); - tmp &= ~NFC_INT; - writew(tmp, host->regs + NFC_CONFIG2); + if (host->check_int(host)) break; - } + udelay(1); } if (max_retries < 0) @@ -211,21 +275,33 @@ static void wait_op_done(struct mxc_nand_host *host, int useirq) } } +static void send_cmd_v3(struct mxc_nand_host *host, uint16_t cmd, int useirq) +{ + /* fill command */ + writel(cmd, NFC_V3_FLASH_CMD); + + /* send out command */ + writel(NFC_CMD, NFC_V3_LAUNCH); + + /* Wait for operation to complete */ + wait_op_done(host, useirq); +} + /* This function issues the specified command to the NAND device and * waits for completion. */ -static void send_cmd(struct mxc_nand_host *host, uint16_t cmd, int useirq) +static void send_cmd_v1_v2(struct mxc_nand_host *host, uint16_t cmd, int useirq) { DEBUG(MTD_DEBUG_LEVEL3, "send_cmd(host, 0x%x, %d)\n", cmd, useirq); - writew(cmd, host->regs + NFC_FLASH_CMD); - writew(NFC_CMD, host->regs + NFC_CONFIG2); + writew(cmd, NFC_V1_V2_FLASH_CMD); + writew(NFC_CMD, NFC_V1_V2_CONFIG2); if (cpu_is_mx21() && (cmd == NAND_CMD_RESET)) { int max_retries = 100; /* Reset completion is indicated by NFC_CONFIG2 */ /* being set to 0 */ while (max_retries-- > 0) { - if (readw(host->regs + NFC_CONFIG2) == 0) { + if (readw(NFC_V1_V2_CONFIG2) == 0) { break; } udelay(1); @@ -239,21 +315,48 @@ static void send_cmd(struct mxc_nand_host *host, uint16_t cmd, int useirq) } } +static void send_addr_v3(struct mxc_nand_host *host, uint16_t addr, int islast) +{ + /* fill address */ + writel(addr, NFC_V3_FLASH_ADDR0); + + /* send out address */ + writel(NFC_ADDR, NFC_V3_LAUNCH); + + wait_op_done(host, 0); +} + /* This function sends an address (or partial address) to the * NAND device. The address is used to select the source/destination for * a NAND command. */ -static void send_addr(struct mxc_nand_host *host, uint16_t addr, int islast) +static void send_addr_v1_v2(struct mxc_nand_host *host, uint16_t addr, int islast) { DEBUG(MTD_DEBUG_LEVEL3, "send_addr(host, 0x%x %d)\n", addr, islast); - writew(addr, host->regs + NFC_FLASH_ADDR); - writew(NFC_ADDR, host->regs + NFC_CONFIG2); + writew(addr, NFC_V1_V2_FLASH_ADDR); + writew(NFC_ADDR, NFC_V1_V2_CONFIG2); /* Wait for operation to complete */ wait_op_done(host, islast); } -static void send_page(struct mtd_info *mtd, unsigned int ops) +static void send_page_v3(struct mtd_info *mtd, unsigned int ops) +{ + struct nand_chip *nand_chip = mtd->priv; + struct mxc_nand_host *host = nand_chip->priv; + uint32_t tmp; + + tmp = readl(NFC_V3_CONFIG1); + tmp &= ~(7 << 4); + writel(tmp, NFC_V3_CONFIG1); + + /* transfer data from NFC ram to nand */ + writel(ops, NFC_V3_LAUNCH); + + wait_op_done(host, false); +} + +static void send_page_v1_v2(struct mtd_info *mtd, unsigned int ops) { struct nand_chip *nand_chip = mtd->priv; struct mxc_nand_host *host = nand_chip->priv; @@ -267,24 +370,34 @@ static void send_page(struct mtd_info *mtd, unsigned int ops) for (i = 0; i < bufs; i++) { /* NANDFC buffer 0 is used for page read/write */ - writew(i, host->regs + NFC_BUF_ADDR); + writew(i, NFC_V1_V2_BUF_ADDR); - writew(ops, host->regs + NFC_CONFIG2); + writew(ops, NFC_V1_V2_CONFIG2); /* Wait for operation to complete */ wait_op_done(host, true); } } +static void send_read_id_v3(struct mxc_nand_host *host) +{ + /* Read ID into main buffer */ + writel(NFC_ID, NFC_V3_LAUNCH); + + wait_op_done(host, true); + + memcpy(host->data_buf, host->main_area0, 16); +} + /* Request the NANDFC to perform a read of the NAND device ID. */ -static void send_read_id(struct mxc_nand_host *host) +static void send_read_id_v1_v2(struct mxc_nand_host *host) { struct nand_chip *this = &host->nand; /* NANDFC buffer 0 is used for device ID output */ - writew(0x0, host->regs + NFC_BUF_ADDR); + writew(0x0, NFC_V1_V2_BUF_ADDR); - writew(NFC_ID, host->regs + NFC_CONFIG2); + writew(NFC_ID, NFC_V1_V2_CONFIG2); /* Wait for operation to complete */ wait_op_done(host, true); @@ -301,29 +414,36 @@ static void send_read_id(struct mxc_nand_host *host) memcpy(host->data_buf, host->main_area0, 16); } +static uint16_t get_dev_status_v3(struct mxc_nand_host *host) +{ + writew(NFC_STATUS, NFC_V3_LAUNCH); + wait_op_done(host, true); + + return readl(NFC_V3_CONFIG1) >> 16; +} + /* This function requests the NANDFC to perform a read of the * NAND device status and returns the current status. */ -static uint16_t get_dev_status(struct mxc_nand_host *host) +static uint16_t get_dev_status_v1_v2(struct mxc_nand_host *host) { - void __iomem *main_buf = host->main_area1; + void __iomem *main_buf = host->main_area0; uint32_t store; uint16_t ret; - /* Issue status request to NAND device */ - /* store the main area1 first word, later do recovery */ - store = readl(main_buf); - /* NANDFC buffer 1 is used for device status to prevent - * corruption of read/write buffer on status requests. */ - writew(1, host->regs + NFC_BUF_ADDR); + writew(0x0, NFC_V1_V2_BUF_ADDR); - writew(NFC_STATUS, host->regs + NFC_CONFIG2); + /* + * The device status is stored in main_area0. To + * prevent corruption of the buffer save the value + * and restore it afterwards. + */ + store = readl(main_buf); - /* Wait for operation to complete */ + writew(NFC_STATUS, NFC_V1_V2_CONFIG2); wait_op_done(host, true); - /* Status is placed in first word of main buffer */ - /* get status, then recovery area 1 data */ ret = readw(main_buf); + writel(store, main_buf); return ret; @@ -347,7 +467,7 @@ static void mxc_nand_enable_hwecc(struct mtd_info *mtd, int mode) */ } -static int mxc_nand_correct_data(struct mtd_info *mtd, u_char *dat, +static int mxc_nand_correct_data_v1(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc) { struct nand_chip *nand_chip = mtd->priv; @@ -358,7 +478,7 @@ static int mxc_nand_correct_data(struct mtd_info *mtd, u_char *dat, * additional correction. 2-Bit errors cannot be corrected by * HW ECC, so we need to return failure */ - uint16_t ecc_status = readw(host->regs + NFC_ECC_STATUS_RESULT); + uint16_t ecc_status = readw(NFC_V1_V2_ECC_STATUS_RESULT); if (((ecc_status & 0x3) == 2) || ((ecc_status >> 2) == 2)) { DEBUG(MTD_DEBUG_LEVEL0, @@ -369,6 +489,43 @@ static int mxc_nand_correct_data(struct mtd_info *mtd, u_char *dat, return 0; } +static int mxc_nand_correct_data_v2_v3(struct mtd_info *mtd, u_char *dat, + u_char *read_ecc, u_char *calc_ecc) +{ + struct nand_chip *nand_chip = mtd->priv; + struct mxc_nand_host *host = nand_chip->priv; + u32 ecc_stat, err; + int no_subpages = 1; + int ret = 0; + u8 ecc_bit_mask, err_limit; + + ecc_bit_mask = (host->eccsize == 4) ? 0x7 : 0xf; + err_limit = (host->eccsize == 4) ? 0x4 : 0x8; + + no_subpages = mtd->writesize >> 9; + + if (nfc_is_v21()) + ecc_stat = readl(NFC_V1_V2_ECC_STATUS_RESULT); + else + ecc_stat = readl(NFC_V3_ECC_STATUS_RESULT); + + do { + err = ecc_stat & ecc_bit_mask; + if (err > err_limit) { + printk(KERN_WARNING "UnCorrectable RS-ECC Error\n"); + return -1; + } else { + ret += err; + } + ecc_stat >>= 4; + } while (--no_subpages); + + mtd->ecc_stats.corrected += ret; + pr_debug("%d Symbol Correctable RS-ECC Error\n", ret); + + return ret; +} + static int mxc_nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code) { @@ -383,7 +540,7 @@ static u_char mxc_nand_read_byte(struct mtd_info *mtd) /* Check for status request */ if (host->status_request) - return get_dev_status(host) & 0xFF; + return host->get_dev_status(host) & 0xFF; ret = *(uint8_t *)(host->data_buf + host->buf_start); host->buf_start++; @@ -519,71 +676,163 @@ static void mxc_do_addr_cycle(struct mtd_info *mtd, int column, int page_addr) * we will used the saved column address to index into * the full page. */ - send_addr(host, 0, page_addr == -1); + host->send_addr(host, 0, page_addr == -1); if (mtd->writesize > 512) /* another col addr cycle for 2k page */ - send_addr(host, 0, false); + host->send_addr(host, 0, false); } /* Write out page address, if necessary */ if (page_addr != -1) { /* paddr_0 - p_addr_7 */ - send_addr(host, (page_addr & 0xff), false); + host->send_addr(host, (page_addr & 0xff), false); if (mtd->writesize > 512) { if (mtd->size >= 0x10000000) { /* paddr_8 - paddr_15 */ - send_addr(host, (page_addr >> 8) & 0xff, false); - send_addr(host, (page_addr >> 16) & 0xff, true); + host->send_addr(host, (page_addr >> 8) & 0xff, false); + host->send_addr(host, (page_addr >> 16) & 0xff, true); } else /* paddr_8 - paddr_15 */ - send_addr(host, (page_addr >> 8) & 0xff, true); + host->send_addr(host, (page_addr >> 8) & 0xff, true); } else { /* One more address cycle for higher density devices */ if (mtd->size >= 0x4000000) { /* paddr_8 - paddr_15 */ - send_addr(host, (page_addr >> 8) & 0xff, false); - send_addr(host, (page_addr >> 16) & 0xff, true); + host->send_addr(host, (page_addr >> 8) & 0xff, false); + host->send_addr(host, (page_addr >> 16) & 0xff, true); } else /* paddr_8 - paddr_15 */ - send_addr(host, (page_addr >> 8) & 0xff, true); + host->send_addr(host, (page_addr >> 8) & 0xff, true); } } } -static void preset(struct mtd_info *mtd) +/* + * v2 and v3 type controllers can do 4bit or 8bit ecc depending + * on how much oob the nand chip has. For 8bit ecc we need at least + * 26 bytes of oob data per 512 byte block. + */ +static int get_eccsize(struct mtd_info *mtd) +{ + int oobbytes_per_512 = 0; + + oobbytes_per_512 = mtd->oobsize * 512 / mtd->writesize; + + if (oobbytes_per_512 < 26) + return 4; + else + return 8; +} + +static void preset_v1_v2(struct mtd_info *mtd) { struct nand_chip *nand_chip = mtd->priv; struct mxc_nand_host *host = nand_chip->priv; uint16_t tmp; /* enable interrupt, disable spare enable */ - tmp = readw(host->regs + NFC_CONFIG1); - tmp &= ~NFC_INT_MSK; - tmp &= ~NFC_SP_EN; + tmp = readw(NFC_V1_V2_CONFIG1); + tmp &= ~NFC_V1_V2_CONFIG1_INT_MSK; + tmp &= ~NFC_V1_V2_CONFIG1_SP_EN; if (nand_chip->ecc.mode == NAND_ECC_HW) { - tmp |= NFC_ECC_EN; + tmp |= NFC_V1_V2_CONFIG1_ECC_EN; + } else { + tmp &= ~NFC_V1_V2_CONFIG1_ECC_EN; + } + + if (nfc_is_v21() && mtd->writesize) { + host->eccsize = get_eccsize(mtd); + if (host->eccsize == 4) + tmp |= NFC_V2_CONFIG1_ECC_MODE_4; } else { - tmp &= ~NFC_ECC_EN; + host->eccsize = 1; } - writew(tmp, host->regs + NFC_CONFIG1); + + writew(tmp, NFC_V1_V2_CONFIG1); /* preset operation */ /* Unlock the internal RAM Buffer */ - writew(0x2, host->regs + NFC_CONFIG); + writew(0x2, NFC_V1_V2_CONFIG); /* Blocks to be unlocked */ if (nfc_is_v21()) { - writew(0x0, host->regs + NFC_V21_UNLOCKSTART_BLKADDR); - writew(0xffff, host->regs + NFC_V21_UNLOCKEND_BLKADDR); + writew(0x0, NFC_V21_UNLOCKSTART_BLKADDR); + writew(0xffff, NFC_V21_UNLOCKEND_BLKADDR); } else if (nfc_is_v1()) { - writew(0x0, host->regs + NFC_V1_UNLOCKSTART_BLKADDR); - writew(0x4000, host->regs + NFC_V1_UNLOCKEND_BLKADDR); + writew(0x0, NFC_V1_UNLOCKSTART_BLKADDR); + writew(0x4000, NFC_V1_UNLOCKEND_BLKADDR); } else BUG(); /* Unlock Block Command for given address range */ - writew(0x4, host->regs + NFC_WRPROT); + writew(0x4, NFC_V1_V2_WRPROT); +} + +static void preset_v3(struct mtd_info *mtd) +{ + struct nand_chip *chip = mtd->priv; + struct mxc_nand_host *host = chip->priv; + uint32_t config2, config3; + int i, addr_phases; + + writel(NFC_V3_CONFIG1_RBA(0), NFC_V3_CONFIG1); + writel(NFC_V3_IPC_CREQ, NFC_V3_IPC); + + /* Unlock the internal RAM Buffer */ + writel(NFC_V3_WRPROT_BLS_UNLOCK | NFC_V3_WRPROT_UNLOCK, + NFC_V3_WRPROT); + + /* Blocks to be unlocked */ + for (i = 0; i < NAND_MAX_CHIPS; i++) + writel(0x0 | (0xffff << 16), + NFC_V3_WRPROT_UNLOCK_BLK_ADD0 + (i << 2)); + + writel(0, NFC_V3_IPC); + + config2 = NFC_V3_CONFIG2_ONE_CYCLE | + NFC_V3_CONFIG2_2CMD_PHASES | + NFC_V3_CONFIG2_SPAS(mtd->oobsize >> 1) | + NFC_V3_CONFIG2_ST_CMD(0x70) | + NFC_V3_CONFIG2_NUM_ADDR_PHASE0; + + if (chip->ecc.mode == NAND_ECC_HW) + config2 |= NFC_V3_CONFIG2_ECC_EN; + + addr_phases = fls(chip->pagemask) >> 3; + + if (mtd->writesize == 2048) { + config2 |= NFC_V3_CONFIG2_PS_2048; + config2 |= NFC_V3_CONFIG2_NUM_ADDR_PHASE1(addr_phases); + } else if (mtd->writesize == 4096) { + config2 |= NFC_V3_CONFIG2_PS_4096; + config2 |= NFC_V3_CONFIG2_NUM_ADDR_PHASE1(addr_phases); + } else { + config2 |= NFC_V3_CONFIG2_PS_512; + config2 |= NFC_V3_CONFIG2_NUM_ADDR_PHASE1(addr_phases - 1); + } + + if (mtd->writesize) { + config2 |= NFC_V3_CONFIG2_PPB(ffs(mtd->erasesize / mtd->writesize) - 6); + host->eccsize = get_eccsize(mtd); + if (host->eccsize == 8) + config2 |= NFC_V3_CONFIG2_ECC_MODE_8; + } + + writel(config2, NFC_V3_CONFIG2); + + config3 = NFC_V3_CONFIG3_NUM_OF_DEVICES(0) | + NFC_V3_CONFIG3_NO_SDMA | + NFC_V3_CONFIG3_RBB_MODE | + NFC_V3_CONFIG3_SBB(6) | /* Reset default */ + NFC_V3_CONFIG3_ADD_OP(0); + + if (!(chip->options & NAND_BUSWIDTH_16)) + config3 |= NFC_V3_CONFIG3_FW8; + + writel(config3, NFC_V3_CONFIG3); + + writel(0, NFC_V3_DELAY_LINE); } /* Used by the upper layer to write command to NAND Flash for @@ -604,15 +853,15 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command, /* Command pre-processing step */ switch (command) { case NAND_CMD_RESET: - send_cmd(host, command, false); - preset(mtd); + host->preset(mtd); + host->send_cmd(host, command, false); break; case NAND_CMD_STATUS: host->buf_start = 0; host->status_request = true; - send_cmd(host, command, true); + host->send_cmd(host, command, true); mxc_do_addr_cycle(mtd, column, page_addr); break; @@ -625,13 +874,13 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command, command = NAND_CMD_READ0; /* only READ0 is valid */ - send_cmd(host, command, false); + host->send_cmd(host, command, false); mxc_do_addr_cycle(mtd, column, page_addr); if (mtd->writesize > 512) - send_cmd(host, NAND_CMD_READSTART, true); + host->send_cmd(host, NAND_CMD_READSTART, true); - send_page(mtd, NFC_OUTPUT); + host->send_page(mtd, NFC_OUTPUT); memcpy(host->data_buf, host->main_area0, mtd->writesize); copy_spare(mtd, true); @@ -644,28 +893,28 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command, host->buf_start = column; - send_cmd(host, command, false); + host->send_cmd(host, command, false); mxc_do_addr_cycle(mtd, column, page_addr); break; case NAND_CMD_PAGEPROG: memcpy(host->main_area0, host->data_buf, mtd->writesize); copy_spare(mtd, false); - send_page(mtd, NFC_INPUT); - send_cmd(host, command, true); + host->send_page(mtd, NFC_INPUT); + host->send_cmd(host, command, true); mxc_do_addr_cycle(mtd, column, page_addr); break; case NAND_CMD_READID: - send_cmd(host, command, true); + host->send_cmd(host, command, true); mxc_do_addr_cycle(mtd, column, page_addr); - send_read_id(host); + host->send_read_id(host); host->buf_start = column; break; case NAND_CMD_ERASE1: case NAND_CMD_ERASE2: - send_cmd(host, command, false); + host->send_cmd(host, command, false); mxc_do_addr_cycle(mtd, column, page_addr); break; @@ -761,22 +1010,55 @@ static int __init mxcnd_probe(struct platform_device *pdev) } host->main_area0 = host->base; - host->main_area1 = host->base + 0x200; + + if (nfc_is_v1() || nfc_is_v21()) { + host->preset = preset_v1_v2; + host->send_cmd = send_cmd_v1_v2; + host->send_addr = send_addr_v1_v2; + host->send_page = send_page_v1_v2; + host->send_read_id = send_read_id_v1_v2; + host->get_dev_status = get_dev_status_v1_v2; + host->check_int = check_int_v1_v2; + } if (nfc_is_v21()) { - host->regs = host->base + 0x1000; + host->regs = host->base + 0x1e00; host->spare0 = host->base + 0x1000; host->spare_len = 64; oob_smallpage = &nandv2_hw_eccoob_smallpage; oob_largepage = &nandv2_hw_eccoob_largepage; this->ecc.bytes = 9; } else if (nfc_is_v1()) { - host->regs = host->base; + host->regs = host->base + 0xe00; host->spare0 = host->base + 0x800; host->spare_len = 16; oob_smallpage = &nandv1_hw_eccoob_smallpage; oob_largepage = &nandv1_hw_eccoob_largepage; this->ecc.bytes = 3; + host->eccsize = 1; + } else if (nfc_is_v3_2()) { + res = platform_get_resource(pdev, IORESOURCE_MEM, 1); + if (!res) { + err = -ENODEV; + goto eirq; + } + host->regs_ip = ioremap(res->start, resource_size(res)); + if (!host->regs_ip) { + err = -ENOMEM; + goto eirq; + } + host->regs_axi = host->base + 0x1e00; + host->spare0 = host->base + 0x1000; + host->spare_len = 64; + host->preset = preset_v3; + host->send_cmd = send_cmd_v3; + host->send_addr = send_addr_v3; + host->send_page = send_page_v3; + host->send_read_id = send_read_id_v3; + host->check_int = check_int_v3; + host->get_dev_status = get_dev_status_v3; + oob_smallpage = &nandv2_hw_eccoob_smallpage; + oob_largepage = &nandv2_hw_eccoob_largepage; } else BUG(); @@ -786,7 +1068,10 @@ static int __init mxcnd_probe(struct platform_device *pdev) if (pdata->hw_ecc) { this->ecc.calculate = mxc_nand_calculate_ecc; this->ecc.hwctl = mxc_nand_enable_hwecc; - this->ecc.correct = mxc_nand_correct_data; + if (nfc_is_v1()) + this->ecc.correct = mxc_nand_correct_data_v1; + else + this->ecc.correct = mxc_nand_correct_data_v2_v3; this->ecc.mode = NAND_ECC_HW; } else { this->ecc.mode = NAND_ECC_SOFT; @@ -817,6 +1102,9 @@ static int __init mxcnd_probe(struct platform_device *pdev) goto escan; } + /* Call preset again, with correct writesize this time */ + host->preset(mtd); + if (mtd->writesize == 2048) this->ecc.layout = oob_largepage; @@ -848,6 +1136,8 @@ static int __init mxcnd_probe(struct platform_device *pdev) escan: free_irq(host->irq, host); eirq: + if (host->regs_ip) + iounmap(host->regs_ip); iounmap(host->base); eres: clk_put(host->clk); @@ -867,59 +1157,19 @@ static int __devexit mxcnd_remove(struct platform_device *pdev) nand_release(&host->mtd); free_irq(host->irq, host); + if (host->regs_ip) + iounmap(host->regs_ip); iounmap(host->base); kfree(host); return 0; } -#ifdef CONFIG_PM -static int mxcnd_suspend(struct platform_device *pdev, pm_message_t state) -{ - struct mtd_info *mtd = platform_get_drvdata(pdev); - struct nand_chip *nand_chip = mtd->priv; - struct mxc_nand_host *host = nand_chip->priv; - int ret = 0; - - DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND suspend\n"); - - ret = mtd->suspend(mtd); - - /* - * nand_suspend locks the device for exclusive access, so - * the clock must already be off. - */ - BUG_ON(!ret && host->clk_act); - - return ret; -} - -static int mxcnd_resume(struct platform_device *pdev) -{ - struct mtd_info *mtd = platform_get_drvdata(pdev); - struct nand_chip *nand_chip = mtd->priv; - struct mxc_nand_host *host = nand_chip->priv; - int ret = 0; - - DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND resume\n"); - - mtd->resume(mtd); - - return ret; -} - -#else -# define mxcnd_suspend NULL -# define mxcnd_resume NULL -#endif /* CONFIG_PM */ - static struct platform_driver mxcnd_driver = { .driver = { .name = DRIVER_NAME, - }, + }, .remove = __devexit_p(mxcnd_remove), - .suspend = mxcnd_suspend, - .resume = mxcnd_resume, }; static int __init mxc_nd_init(void) diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 4a7b864..16a1714 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -42,7 +42,6 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/nand.h> #include <linux/mtd/nand_ecc.h> -#include <linux/mtd/compatmac.h> #include <linux/interrupt.h> #include <linux/bitops.h> #include <linux/leds.h> @@ -347,7 +346,7 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip) struct nand_chip *chip = mtd->priv; u16 bad; - if (chip->options & NAND_BB_LAST_PAGE) + if (chip->options & NAND_BBT_SCANLASTPAGE) ofs += mtd->erasesize - mtd->writesize; page = (int)(ofs >> chip->page_shift) & chip->pagemask; @@ -397,9 +396,9 @@ static int nand_default_block_markbad(struct mtd_info *mtd, loff_t ofs) { struct nand_chip *chip = mtd->priv; uint8_t buf[2] = { 0, 0 }; - int block, ret; + int block, ret, i = 0; - if (chip->options & NAND_BB_LAST_PAGE) + if (chip->options & NAND_BBT_SCANLASTPAGE) ofs += mtd->erasesize - mtd->writesize; /* Get block number */ @@ -411,17 +410,31 @@ static int nand_default_block_markbad(struct mtd_info *mtd, loff_t ofs) if (chip->options & NAND_USE_FLASH_BBT) ret = nand_update_bbt(mtd, ofs); else { - /* We write two bytes, so we dont have to mess with 16 bit - * access - */ nand_get_device(chip, mtd, FL_WRITING); - ofs += mtd->oobsize; - chip->ops.len = chip->ops.ooblen = 2; - chip->ops.datbuf = NULL; - chip->ops.oobbuf = buf; - chip->ops.ooboffs = chip->badblockpos & ~0x01; - ret = nand_do_write_oob(mtd, ofs, &chip->ops); + /* Write to first two pages and to byte 1 and 6 if necessary. + * If we write to more than one location, the first error + * encountered quits the procedure. We write two bytes per + * location, so we dont have to mess with 16 bit access. + */ + do { + chip->ops.len = chip->ops.ooblen = 2; + chip->ops.datbuf = NULL; + chip->ops.oobbuf = buf; + chip->ops.ooboffs = chip->badblockpos & ~0x01; + + ret = nand_do_write_oob(mtd, ofs, &chip->ops); + + if (!ret && (chip->options & NAND_BBT_SCANBYTE1AND6)) { + chip->ops.ooboffs = NAND_SMALL_BADBLOCK_POS + & ~0x01; + ret = nand_do_write_oob(mtd, ofs, &chip->ops); + } + i++; + ofs += mtd->writesize; + } while (!ret && (chip->options & NAND_BBT_SCAN2NDPAGE) && + i < 2); + nand_release_device(mtd); } if (!ret) @@ -2920,9 +2933,14 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd, chip->chip_shift = ffs((unsigned)(chip->chipsize >> 32)) + 32 - 1; /* Set the bad block position */ - chip->badblockpos = mtd->writesize > 512 ? - NAND_LARGE_BADBLOCK_POS : NAND_SMALL_BADBLOCK_POS; - chip->badblockbits = 8; + if (!(busw & NAND_BUSWIDTH_16) && (*maf_id == NAND_MFR_STMICRO || + (*maf_id == NAND_MFR_SAMSUNG && + mtd->writesize == 512) || + *maf_id == NAND_MFR_AMD)) + chip->badblockpos = NAND_SMALL_BADBLOCK_POS; + else + chip->badblockpos = NAND_LARGE_BADBLOCK_POS; + /* Get chip options, preserve non chip based options */ chip->options &= ~NAND_CHIPOPTIONS_MSK; @@ -2941,12 +2959,32 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd, /* * Bad block marker is stored in the last page of each block - * on Samsung and Hynix MLC devices + * on Samsung and Hynix MLC devices; stored in first two pages + * of each block on Micron devices with 2KiB pages and on + * SLC Samsung, Hynix, and AMD/Spansion. All others scan only + * the first page. */ if ((chip->cellinfo & NAND_CI_CELLTYPE_MSK) && (*maf_id == NAND_MFR_SAMSUNG || *maf_id == NAND_MFR_HYNIX)) - chip->options |= NAND_BB_LAST_PAGE; + chip->options |= NAND_BBT_SCANLASTPAGE; + else if ((!(chip->cellinfo & NAND_CI_CELLTYPE_MSK) && + (*maf_id == NAND_MFR_SAMSUNG || + *maf_id == NAND_MFR_HYNIX || + *maf_id == NAND_MFR_AMD)) || + (mtd->writesize == 2048 && + *maf_id == NAND_MFR_MICRON)) + chip->options |= NAND_BBT_SCAN2NDPAGE; + + /* + * Numonyx/ST 2K pages, x8 bus use BOTH byte 1 and 6 + */ + if (!(busw & NAND_BUSWIDTH_16) && + *maf_id == NAND_MFR_STMICRO && + mtd->writesize == 2048) { + chip->options |= NAND_BBT_SCANBYTE1AND6; + chip->badblockpos = 0; + } /* Check for AND chips with 4 page planes */ if (chip->options & NAND_4PAGE_ARRAY) @@ -3306,6 +3344,11 @@ void nand_release(struct mtd_info *mtd) kfree(chip->bbt); if (!(chip->options & NAND_OWN_BUFFERS)) kfree(chip->buffers); + + /* Free bad block descriptor memory */ + if (chip->badblock_pattern && chip->badblock_pattern->options + & NAND_BBT_DYNAMICSTRUCT) + kfree(chip->badblock_pattern); } EXPORT_SYMBOL_GPL(nand_lock); diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c index ad97c0c..5fedf4a 100644 --- a/drivers/mtd/nand/nand_bbt.c +++ b/drivers/mtd/nand/nand_bbt.c @@ -55,7 +55,6 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/nand.h> #include <linux/mtd/nand_ecc.h> -#include <linux/mtd/compatmac.h> #include <linux/bitops.h> #include <linux/delay.h> #include <linux/vmalloc.h> @@ -93,6 +92,28 @@ static int check_pattern(uint8_t *buf, int len, int paglen, struct nand_bbt_desc return -1; } + /* Check both positions 1 and 6 for pattern? */ + if (td->options & NAND_BBT_SCANBYTE1AND6) { + if (td->options & NAND_BBT_SCANEMPTY) { + p += td->len; + end += NAND_SMALL_BADBLOCK_POS - td->offs; + /* Check region between positions 1 and 6 */ + for (i = 0; i < NAND_SMALL_BADBLOCK_POS - td->offs - td->len; + i++) { + if (*p++ != 0xff) + return -1; + } + } + else { + p += NAND_SMALL_BADBLOCK_POS - td->offs; + } + /* Compare the pattern */ + for (i = 0; i < td->len; i++) { + if (p[i] != td->pattern[i]) + return -1; + } + } + if (td->options & NAND_BBT_SCANEMPTY) { p += td->len; end += td->len; @@ -124,6 +145,13 @@ static int check_short_pattern(uint8_t *buf, struct nand_bbt_descr *td) if (p[td->offs + i] != td->pattern[i]) return -1; } + /* Need to check location 1 AND 6? */ + if (td->options & NAND_BBT_SCANBYTE1AND6) { + for (i = 0; i < td->len; i++) { + if (p[NAND_SMALL_BADBLOCK_POS + i] != td->pattern[i]) + return -1; + } + } return 0; } @@ -397,12 +425,10 @@ static int create_bbt(struct mtd_info *mtd, uint8_t *buf, if (bd->options & NAND_BBT_SCANALLPAGES) len = 1 << (this->bbt_erase_shift - this->page_shift); - else { - if (bd->options & NAND_BBT_SCAN2NDPAGE) - len = 2; - else - len = 1; - } + else if (bd->options & NAND_BBT_SCAN2NDPAGE) + len = 2; + else + len = 1; if (!(bd->options & NAND_BBT_SCANEMPTY)) { /* We need only read few bytes from the OOB area */ @@ -432,7 +458,7 @@ static int create_bbt(struct mtd_info *mtd, uint8_t *buf, from = (loff_t)startblock << (this->bbt_erase_shift - 1); } - if (this->options & NAND_BB_LAST_PAGE) + if (this->options & NAND_BBT_SCANLASTPAGE) from += mtd->erasesize - (mtd->writesize * len); for (i = startblock; i < numblocks;) { @@ -1092,30 +1118,16 @@ int nand_update_bbt(struct mtd_info *mtd, loff_t offs) * while scanning a device for factory marked good / bad blocks. */ static uint8_t scan_ff_pattern[] = { 0xff, 0xff }; -static struct nand_bbt_descr smallpage_memorybased = { - .options = NAND_BBT_SCAN2NDPAGE, - .offs = 5, - .len = 1, - .pattern = scan_ff_pattern -}; - -static struct nand_bbt_descr largepage_memorybased = { - .options = 0, - .offs = 0, - .len = 2, - .pattern = scan_ff_pattern -}; - static struct nand_bbt_descr smallpage_flashbased = { .options = NAND_BBT_SCAN2NDPAGE, - .offs = 5, + .offs = NAND_SMALL_BADBLOCK_POS, .len = 1, .pattern = scan_ff_pattern }; static struct nand_bbt_descr largepage_flashbased = { .options = NAND_BBT_SCAN2NDPAGE, - .offs = 0, + .offs = NAND_LARGE_BADBLOCK_POS, .len = 2, .pattern = scan_ff_pattern }; @@ -1154,6 +1166,43 @@ static struct nand_bbt_descr bbt_mirror_descr = { .pattern = mirror_pattern }; +#define BBT_SCAN_OPTIONS (NAND_BBT_SCANLASTPAGE | NAND_BBT_SCAN2NDPAGE | \ + NAND_BBT_SCANBYTE1AND6) +/** + * nand_create_default_bbt_descr - [Internal] Creates a BBT descriptor structure + * @this: NAND chip to create descriptor for + * + * This function allocates and initializes a nand_bbt_descr for BBM detection + * based on the properties of "this". The new descriptor is stored in + * this->badblock_pattern. Thus, this->badblock_pattern should be NULL when + * passed to this function. + * + * TODO: Handle other flags, replace other static structs + * (e.g. handle NAND_BBT_FLASH for flash-based BBT, + * replace smallpage_flashbased) + * + */ +static int nand_create_default_bbt_descr(struct nand_chip *this) +{ + struct nand_bbt_descr *bd; + if (this->badblock_pattern) { + printk(KERN_WARNING "BBT descr already allocated; not replacing.\n"); + return -EINVAL; + } + bd = kzalloc(sizeof(*bd), GFP_KERNEL); + if (!bd) { + printk(KERN_ERR "nand_create_default_bbt_descr: Out of memory\n"); + return -ENOMEM; + } + bd->options = this->options & BBT_SCAN_OPTIONS; + bd->offs = this->badblockpos; + bd->len = (this->options & NAND_BUSWIDTH_16) ? 2 : 1; + bd->pattern = scan_ff_pattern; + bd->options |= NAND_BBT_DYNAMICSTRUCT; + this->badblock_pattern = bd; + return 0; +} + /** * nand_default_bbt - [NAND Interface] Select a default bad block table for the device * @mtd: MTD device structure @@ -1196,10 +1245,8 @@ int nand_default_bbt(struct mtd_info *mtd) } else { this->bbt_td = NULL; this->bbt_md = NULL; - if (!this->badblock_pattern) { - this->badblock_pattern = (mtd->writesize > 512) ? - &largepage_memorybased : &smallpage_memorybased; - } + if (!this->badblock_pattern) + nand_create_default_bbt_descr(this); } return nand_scan_bbt(mtd, this->badblock_pattern); } diff --git a/drivers/mtd/nand/nand_ids.c b/drivers/mtd/nand/nand_ids.c index 89907ed9..a04b891 100644 --- a/drivers/mtd/nand/nand_ids.c +++ b/drivers/mtd/nand/nand_ids.c @@ -85,6 +85,7 @@ struct nand_flash_dev nand_flash_ids[] = { {"NAND 128MiB 3,3V 8-bit", 0xD1, 0, 128, 0, LP_OPTIONS}, {"NAND 128MiB 1,8V 16-bit", 0xB1, 0, 128, 0, LP_OPTIONS16}, {"NAND 128MiB 3,3V 16-bit", 0xC1, 0, 128, 0, LP_OPTIONS16}, + {"NAND 128MiB 1,8V 16-bit", 0xAD, 0, 128, 0, LP_OPTIONS16}, /* 2 Gigabit */ {"NAND 256MiB 1,8V 8-bit", 0xAA, 0, 256, 0, LP_OPTIONS}, @@ -110,6 +111,9 @@ struct nand_flash_dev nand_flash_ids[] = { {"NAND 2GiB 1,8V 16-bit", 0xB5, 0, 2048, 0, LP_OPTIONS16}, {"NAND 2GiB 3,3V 16-bit", 0xC5, 0, 2048, 0, LP_OPTIONS16}, + /* 32 Gigabit */ + {"NAND 4GiB 3,3V 8-bit", 0xD7, 0, 4096, 0, LP_OPTIONS16}, + /* * Renesas AND 1 Gigabit. Those chips do not support extended id and * have a strange page/block layout ! The chosen minimum erasesize is diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index 261337e..c25648b 100644 --- a/drivers/mtd/nand/nandsim.c +++ b/drivers/mtd/nand/nandsim.c @@ -553,8 +553,8 @@ static uint64_t divide(uint64_t n, uint32_t d) */ static int init_nandsim(struct mtd_info *mtd) { - struct nand_chip *chip = (struct nand_chip *)mtd->priv; - struct nandsim *ns = (struct nandsim *)(chip->priv); + struct nand_chip *chip = mtd->priv; + struct nandsim *ns = chip->priv; int i, ret = 0; uint64_t remains; uint64_t next_offset; @@ -1877,7 +1877,7 @@ static void switch_state(struct nandsim *ns) static u_char ns_nand_read_byte(struct mtd_info *mtd) { - struct nandsim *ns = (struct nandsim *)((struct nand_chip *)mtd->priv)->priv; + struct nandsim *ns = ((struct nand_chip *)mtd->priv)->priv; u_char outb = 0x00; /* Sanity and correctness checks */ @@ -1950,7 +1950,7 @@ static u_char ns_nand_read_byte(struct mtd_info *mtd) static void ns_nand_write_byte(struct mtd_info *mtd, u_char byte) { - struct nandsim *ns = (struct nandsim *)((struct nand_chip *)mtd->priv)->priv; + struct nandsim *ns = ((struct nand_chip *)mtd->priv)->priv; /* Sanity and correctness checks */ if (!ns->lines.ce) { @@ -2132,7 +2132,7 @@ static uint16_t ns_nand_read_word(struct mtd_info *mtd) static void ns_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len) { - struct nandsim *ns = (struct nandsim *)((struct nand_chip *)mtd->priv)->priv; + struct nandsim *ns = ((struct nand_chip *)mtd->priv)->priv; /* Check that chip is expecting data input */ if (!(ns->state & STATE_DATAIN_MASK)) { @@ -2159,7 +2159,7 @@ static void ns_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len) static void ns_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len) { - struct nandsim *ns = (struct nandsim *)((struct nand_chip *)mtd->priv)->priv; + struct nandsim *ns = ((struct nand_chip *)mtd->priv)->priv; /* Sanity and correctness checks */ if (!ns->lines.ce) { @@ -2352,7 +2352,7 @@ module_init(ns_init_module); */ static void __exit ns_cleanup_module(void) { - struct nandsim *ns = (struct nandsim *)(((struct nand_chip *)nsmtd->priv)->priv); + struct nandsim *ns = ((struct nand_chip *)nsmtd->priv)->priv; int i; free_nandsim(ns); /* Free nandsim private resources */ diff --git a/drivers/mtd/nand/plat_nand.c b/drivers/mtd/nand/plat_nand.c index 8d46731..90e143e 100644 --- a/drivers/mtd/nand/plat_nand.c +++ b/drivers/mtd/nand/plat_nand.c @@ -91,7 +91,7 @@ static int __devinit plat_nand_probe(struct platform_device *pdev) } /* Scan to find existance of the device */ - if (nand_scan(&data->mtd, 1)) { + if (nand_scan(&data->mtd, pdata->chip.nr_chips)) { err = -ENXIO; goto out; } diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c index bcfc851..5169ca6 100644 --- a/drivers/mtd/nand/r852.c +++ b/drivers/mtd/nand/r852.c @@ -64,8 +64,8 @@ static inline void r852_write_reg_dword(struct r852_device *dev, /* returns pointer to our private structure */ static inline struct r852_device *r852_get_dev(struct mtd_info *mtd) { - struct nand_chip *chip = (struct nand_chip *)mtd->priv; - return (struct r852_device *)chip->priv; + struct nand_chip *chip = mtd->priv; + return chip->priv; } @@ -380,7 +380,7 @@ void r852_cmdctl(struct mtd_info *mtd, int dat, unsigned int ctrl) */ int r852_wait(struct mtd_info *mtd, struct nand_chip *chip) { - struct r852_device *dev = (struct r852_device *)chip->priv; + struct r852_device *dev = chip->priv; unsigned long timeout; int status; diff --git a/drivers/mtd/nand/rtc_from4.c b/drivers/mtd/nand/rtc_from4.c index a033c4c..67440b5 100644 --- a/drivers/mtd/nand/rtc_from4.c +++ b/drivers/mtd/nand/rtc_from4.c @@ -24,7 +24,6 @@ #include <linux/rslib.h> #include <linux/bitrev.h> #include <linux/module.h> -#include <linux/mtd/compatmac.h> #include <linux/mtd/mtd.h> #include <linux/mtd/nand.h> #include <linux/mtd/partitions.h> diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c index 239aadf..33d832d 100644 --- a/drivers/mtd/nand/s3c2410.c +++ b/drivers/mtd/nand/s3c2410.c @@ -727,15 +727,12 @@ static int s3c2410_nand_add_partition(struct s3c2410_nand_info *info, if (set == NULL) return add_mtd_device(&mtd->mtd); - if (set->nr_partitions == 0) { - mtd->mtd.name = set->name; - nr_part = parse_mtd_partitions(&mtd->mtd, part_probes, - &part_info, 0); - } else { - if (set->nr_partitions > 0 && set->partitions != NULL) { - nr_part = set->nr_partitions; - part_info = set->partitions; - } + mtd->mtd.name = set->name; + nr_part = parse_mtd_partitions(&mtd->mtd, part_probes, &part_info, 0); + + if (nr_part <= 0 && set->nr_partitions > 0) { + nr_part = set->nr_partitions; + part_info = set->partitions; } if (nr_part > 0 && part_info) diff --git a/drivers/mtd/nand/sm_common.c b/drivers/mtd/nand/sm_common.c index ac80fb362..4a8f367 100644 --- a/drivers/mtd/nand/sm_common.c +++ b/drivers/mtd/nand/sm_common.c @@ -109,7 +109,7 @@ static struct nand_flash_dev nand_xd_flash_ids[] = { int sm_register_device(struct mtd_info *mtd, int smartmedia) { - struct nand_chip *chip = (struct nand_chip *)mtd->priv; + struct nand_chip *chip = mtd->priv; int ret; chip->options |= NAND_SKIP_BBTSCAN; diff --git a/drivers/mtd/nftlcore.c b/drivers/mtd/nftlcore.c index a4578bf..b155666 100644 --- a/drivers/mtd/nftlcore.c +++ b/drivers/mtd/nftlcore.c @@ -1,11 +1,22 @@ -/* Linux driver for NAND Flash Translation Layer */ -/* (c) 1999 Machine Vision Holdings, Inc. */ -/* Author: David Woodhouse <dwmw2@infradead.org> */ - /* - The contents of this file are distributed under the GNU General - Public License version 2. The author places no additional - restrictions of any kind on it. + * Linux driver for NAND Flash Translation Layer + * + * Copyright © 1999 Machine Vision Holdings, Inc. + * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #define PRERELEASE diff --git a/drivers/mtd/nftlmount.c b/drivers/mtd/nftlmount.c index 8b22b18..e3cd1ff 100644 --- a/drivers/mtd/nftlmount.c +++ b/drivers/mtd/nftlmount.c @@ -2,7 +2,8 @@ * NFTL mount code with extensive checks * * Author: Fabrice Bellard (fabrice.bellard@netgem.com) - * Copyright (C) 2000 Netgem S.A. + * Copyright © 2000 Netgem S.A. + * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/drivers/mtd/ofpart.c b/drivers/mtd/ofpart.c index 4f0d635..8bf7dc6 100644 --- a/drivers/mtd/ofpart.c +++ b/drivers/mtd/ofpart.c @@ -1,11 +1,11 @@ /* * Flash partitions described by the OF (or flattened) device tree * - * Copyright (C) 2006 MontaVista Software Inc. + * Copyright © 2006 MontaVista Software Inc. * Author: Vitaly Wool <vwool@ru.mvista.com> * * Revised to handle newer style flash binding by: - * Copyright (C) 2007 David Gibson, IBM Corporation. + * Copyright © 2007 David Gibson, IBM Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/drivers/mtd/onenand/Kconfig b/drivers/mtd/onenand/Kconfig index 9a49d68..3f32289 100644 --- a/drivers/mtd/onenand/Kconfig +++ b/drivers/mtd/onenand/Kconfig @@ -25,14 +25,14 @@ config MTD_ONENAND_GENERIC config MTD_ONENAND_OMAP2 tristate "OneNAND on OMAP2/OMAP3 support" - depends on MTD_ONENAND && (ARCH_OMAP2 || ARCH_OMAP3) + depends on ARCH_OMAP2 || ARCH_OMAP3 help Support for a OneNAND flash device connected to an OMAP2/OMAP3 CPU via the GPMC memory controller. config MTD_ONENAND_SAMSUNG tristate "OneNAND on Samsung SOC controller support" - depends on MTD_ONENAND && (ARCH_S3C64XX || ARCH_S5PC100 || ARCH_S5PV210) + depends on ARCH_S3C64XX || ARCH_S5PC100 || ARCH_S5PV210 help Support for a OneNAND flash device connected to an Samsung SOC S3C64XX/S5PC1XX controller. diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index 26caf25..a2bb520 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/drivers/mtd/onenand/onenand_base.c @@ -377,8 +377,11 @@ static int onenand_command(struct mtd_info *mtd, int cmd, loff_t addr, size_t le default: block = onenand_block(this, addr); - page = (int) (addr - onenand_addr(this, block)) >> this->page_shift; - + if (FLEXONENAND(this)) + page = (int) (addr - onenand_addr(this, block))>>\ + this->page_shift; + else + page = (int) (addr >> this->page_shift); if (ONENAND_IS_2PLANE(this)) { /* Make the even block number */ block &= ~1; @@ -3730,17 +3733,16 @@ out: } /** - * onenand_probe - [OneNAND Interface] Probe the OneNAND device + * onenand_chip_probe - [OneNAND Interface] The generic chip probe * @param mtd MTD device structure * * OneNAND detection method: * Compare the values from command with ones from register */ -static int onenand_probe(struct mtd_info *mtd) +static int onenand_chip_probe(struct mtd_info *mtd) { struct onenand_chip *this = mtd->priv; - int bram_maf_id, bram_dev_id, maf_id, dev_id, ver_id; - int density; + int bram_maf_id, bram_dev_id, maf_id, dev_id; int syscfg; /* Save system configuration 1 */ @@ -3763,12 +3765,6 @@ static int onenand_probe(struct mtd_info *mtd) /* Restore system configuration 1 */ this->write_word(syscfg, this->base + ONENAND_REG_SYS_CFG1); - /* Workaround */ - if (syscfg & ONENAND_SYS_CFG1_SYNC_WRITE) { - bram_maf_id = this->read_word(this->base + ONENAND_REG_MANUFACTURER_ID); - bram_dev_id = this->read_word(this->base + ONENAND_REG_DEVICE_ID); - } - /* Check manufacturer ID */ if (onenand_check_maf(bram_maf_id)) return -ENXIO; @@ -3776,13 +3772,35 @@ static int onenand_probe(struct mtd_info *mtd) /* Read manufacturer and device IDs from Register */ maf_id = this->read_word(this->base + ONENAND_REG_MANUFACTURER_ID); dev_id = this->read_word(this->base + ONENAND_REG_DEVICE_ID); - ver_id = this->read_word(this->base + ONENAND_REG_VERSION_ID); - this->technology = this->read_word(this->base + ONENAND_REG_TECHNOLOGY); /* Check OneNAND device */ if (maf_id != bram_maf_id || dev_id != bram_dev_id) return -ENXIO; + return 0; +} + +/** + * onenand_probe - [OneNAND Interface] Probe the OneNAND device + * @param mtd MTD device structure + */ +static int onenand_probe(struct mtd_info *mtd) +{ + struct onenand_chip *this = mtd->priv; + int maf_id, dev_id, ver_id; + int density; + int ret; + + ret = this->chip_probe(mtd); + if (ret) + return ret; + + /* Read manufacturer and device IDs from Register */ + maf_id = this->read_word(this->base + ONENAND_REG_MANUFACTURER_ID); + dev_id = this->read_word(this->base + ONENAND_REG_DEVICE_ID); + ver_id = this->read_word(this->base + ONENAND_REG_VERSION_ID); + this->technology = this->read_word(this->base + ONENAND_REG_TECHNOLOGY); + /* Flash device information */ onenand_print_device_info(dev_id, ver_id); this->device_id = dev_id; @@ -3909,6 +3927,9 @@ int onenand_scan(struct mtd_info *mtd, int maxchips) if (!this->unlock_all) this->unlock_all = onenand_unlock_all; + if (!this->chip_probe) + this->chip_probe = onenand_chip_probe; + if (!this->read_bufferram) this->read_bufferram = onenand_read_bufferram; if (!this->write_bufferram) diff --git a/drivers/mtd/onenand/onenand_bbt.c b/drivers/mtd/onenand/onenand_bbt.c index a91fcac..01ab5b3 100644 --- a/drivers/mtd/onenand/onenand_bbt.c +++ b/drivers/mtd/onenand/onenand_bbt.c @@ -15,7 +15,6 @@ #include <linux/slab.h> #include <linux/mtd/mtd.h> #include <linux/mtd/onenand.h> -#include <linux/mtd/compatmac.h> /** * check_short_pattern - [GENERIC] check if a pattern is in the buffer diff --git a/drivers/mtd/onenand/samsung.c b/drivers/mtd/onenand/samsung.c index 2750317..cb443af 100644 --- a/drivers/mtd/onenand/samsung.c +++ b/drivers/mtd/onenand/samsung.c @@ -630,6 +630,12 @@ normal: return 0; } +static int s5pc110_chip_probe(struct mtd_info *mtd) +{ + /* Now just return 0 */ + return 0; +} + static int s3c_onenand_bbt_wait(struct mtd_info *mtd, int state) { unsigned int flags = INT_ACT | LOAD_CMP; @@ -757,6 +763,7 @@ static void s3c_onenand_setup(struct mtd_info *mtd) /* Use generic onenand functions */ onenand->cmd_map = s5pc1xx_cmd_map; this->read_bufferram = s5pc110_read_bufferram; + this->chip_probe = s5pc110_chip_probe; return; } else { BUG(); @@ -781,7 +788,6 @@ static int s3c_onenand_probe(struct platform_device *pdev) struct mtd_info *mtd; struct resource *r; int size, err; - unsigned long onenand_ctrl_cfg = 0; pdata = pdev->dev.platform_data; /* No need to check pdata. the platform data is optional */ @@ -900,14 +906,6 @@ static int s3c_onenand_probe(struct platform_device *pdev) } onenand->phys_base = onenand->base_res->start; - - onenand_ctrl_cfg = readl(onenand->dma_addr + 0x100); - if ((onenand_ctrl_cfg & ONENAND_SYS_CFG1_SYNC_WRITE) && - onenand->dma_addr) - writel(onenand_ctrl_cfg & ~ONENAND_SYS_CFG1_SYNC_WRITE, - onenand->dma_addr + 0x100); - else - onenand_ctrl_cfg = 0; } if (onenand_scan(mtd, 1)) { @@ -915,10 +913,7 @@ static int s3c_onenand_probe(struct platform_device *pdev) goto scan_failed; } - if (onenand->type == TYPE_S5PC110) { - if (onenand_ctrl_cfg && onenand->dma_addr) - writel(onenand_ctrl_cfg, onenand->dma_addr + 0x100); - } else { + if (onenand->type != TYPE_S5PC110) { /* S3C doesn't handle subpage write */ mtd->subpage_sft = 0; this->subpagesize = mtd->writesize; diff --git a/drivers/mtd/redboot.c b/drivers/mtd/redboot.c index 2d600a1..7a87d07 100644 --- a/drivers/mtd/redboot.c +++ b/drivers/mtd/redboot.c @@ -1,6 +1,24 @@ /* * Parse RedBoot-style Flash Image System (FIS) tables and * produce a Linux partition array to match. + * + * Copyright © 2001 Red Hat UK Limited + * Copyright © 2001-2010 David Woodhouse <dwmw2@infradead.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * */ #include <linux/kernel.h> diff --git a/drivers/mtd/rfd_ftl.c b/drivers/mtd/rfd_ftl.c index 63b83c0..cc4d180 100644 --- a/drivers/mtd/rfd_ftl.c +++ b/drivers/mtd/rfd_ftl.c @@ -1,7 +1,7 @@ /* * rfd_ftl.c -- resident flash disk (flash translation layer) * - * Copyright (C) 2005 Sean Young <sean@mess.org> + * Copyright © 2005 Sean Young <sean@mess.org> * * This type of flash translation layer (FTL) is used by the Embedded BIOS * by General Software. It is known as the Resident Flash Disk (RFD), see: diff --git a/drivers/mtd/ssfdc.c b/drivers/mtd/ssfdc.c index 81c4ecd..5cd1897 100644 --- a/drivers/mtd/ssfdc.c +++ b/drivers/mtd/ssfdc.c @@ -1,6 +1,6 @@ /* * Linux driver for SSFDC Flash Translation Layer (Read only) - * (c) 2005 Eptar srl + * © 2005 Eptar srl * Author: Claudio Lanconelli <lanconelli.claudio@eptar.com> * * Based on NTFL and MTDBLOCK_RO drivers diff --git a/drivers/mtd/tests/mtd_pagetest.c b/drivers/mtd/tests/mtd_pagetest.c index 6bc1b82..00b937e 100644 --- a/drivers/mtd/tests/mtd_pagetest.c +++ b/drivers/mtd/tests/mtd_pagetest.c @@ -310,7 +310,7 @@ static int crosstest(void) static int erasecrosstest(void) { size_t read = 0, written = 0; - int err = 0, i, ebnum, ok = 1, ebnum2; + int err = 0, i, ebnum, ebnum2; loff_t addr0; char *readbuf = twopages; @@ -357,8 +357,7 @@ static int erasecrosstest(void) if (memcmp(writebuf, readbuf, pgsize)) { printk(PRINT_PREF "verify failed!\n"); errcnt += 1; - ok = 0; - return err; + return -1; } printk(PRINT_PREF "erasing block %d\n", ebnum); @@ -396,10 +395,10 @@ static int erasecrosstest(void) if (memcmp(writebuf, readbuf, pgsize)) { printk(PRINT_PREF "verify failed!\n"); errcnt += 1; - ok = 0; + return -1; } - if (ok && !err) + if (!err) printk(PRINT_PREF "erasecrosstest ok\n"); return err; } diff --git a/drivers/power/olpc_battery.c b/drivers/power/olpc_battery.c index baefcf1..5ab9109 100644 --- a/drivers/power/olpc_battery.c +++ b/drivers/power/olpc_battery.c @@ -384,7 +384,6 @@ static struct bin_attribute olpc_bat_eeprom = { .attr = { .name = "eeprom", .mode = S_IRUGO, - .owner = THIS_MODULE, }, .size = 0, .read = olpc_bat_eeprom_read, diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 33975e9..1a84fae 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -21,6 +21,7 @@ #include <linux/hdreg.h> #include <linux/async.h> #include <linux/mutex.h> +#include <linux/smp_lock.h> #include <asm/ccwdev.h> #include <asm/ebcdic.h> @@ -2196,7 +2197,7 @@ static void dasd_setup_queue(struct dasd_block *block) */ blk_queue_max_segment_size(block->request_queue, PAGE_SIZE); blk_queue_segment_boundary(block->request_queue, PAGE_SIZE - 1); - blk_queue_ordered(block->request_queue, QUEUE_ORDERED_DRAIN, NULL); + blk_queue_ordered(block->request_queue, QUEUE_ORDERED_DRAIN); } /* @@ -2235,6 +2236,7 @@ static int dasd_open(struct block_device *bdev, fmode_t mode) if (!block) return -ENODEV; + lock_kernel(); base = block->base; atomic_inc(&block->open_count); if (test_bit(DASD_FLAG_OFFLINE, &base->flags)) { @@ -2269,12 +2271,14 @@ static int dasd_open(struct block_device *bdev, fmode_t mode) goto out; } + unlock_kernel(); return 0; out: module_put(base->discipline->owner); unlock: atomic_dec(&block->open_count); + unlock_kernel(); return rc; } @@ -2282,8 +2286,10 @@ static int dasd_release(struct gendisk *disk, fmode_t mode) { struct dasd_block *block = disk->private_data; + lock_kernel(); atomic_dec(&block->open_count); module_put(block->base->discipline->owner); + unlock_kernel(); return 0; } diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c index bed7b46..8d41f3e 100644 --- a/drivers/s390/block/dasd_devmap.c +++ b/drivers/s390/block/dasd_devmap.c @@ -1083,6 +1083,49 @@ dasd_eer_store(struct device *dev, struct device_attribute *attr, static DEVICE_ATTR(eer_enabled, 0644, dasd_eer_show, dasd_eer_store); +/* + * expiration time for default requests + */ +static ssize_t +dasd_expires_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct dasd_device *device; + int len; + + device = dasd_device_from_cdev(to_ccwdev(dev)); + if (IS_ERR(device)) + return -ENODEV; + len = snprintf(buf, PAGE_SIZE, "%lu\n", device->default_expires); + dasd_put_device(device); + return len; +} + +static ssize_t +dasd_expires_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct dasd_device *device; + unsigned long val; + + device = dasd_device_from_cdev(to_ccwdev(dev)); + if (IS_ERR(device)) + return -ENODEV; + + if ((strict_strtoul(buf, 10, &val) != 0) || + (val > DASD_EXPIRES_MAX) || val == 0) { + dasd_put_device(device); + return -EINVAL; + } + + if (val) + device->default_expires = val; + + dasd_put_device(device); + return count; +} + +static DEVICE_ATTR(expires, 0644, dasd_expires_show, dasd_expires_store); + static struct attribute * dasd_attrs[] = { &dev_attr_readonly.attr, &dev_attr_discipline.attr, @@ -1094,6 +1137,7 @@ static struct attribute * dasd_attrs[] = { &dev_attr_eer_enabled.attr, &dev_attr_erplog.attr, &dev_attr_failfast.attr, + &dev_attr_expires.attr, NULL, }; diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c index 687f323..2b3bc3e 100644 --- a/drivers/s390/block/dasd_diag.c +++ b/drivers/s390/block/dasd_diag.c @@ -43,7 +43,7 @@ MODULE_LICENSE("GPL"); sizeof(struct dasd_diag_req)) / \ sizeof(struct dasd_diag_bio)) / 2) #define DIAG_MAX_RETRIES 32 -#define DIAG_TIMEOUT 50 * HZ +#define DIAG_TIMEOUT 50 static struct dasd_discipline dasd_diag_discipline; @@ -360,6 +360,8 @@ dasd_diag_check_device(struct dasd_device *device) goto out; } + device->default_expires = DIAG_TIMEOUT; + /* Figure out position of label block */ switch (private->rdc_data.vdev_class) { case DEV_CLASS_FBA: @@ -563,7 +565,7 @@ static struct dasd_ccw_req *dasd_diag_build_cp(struct dasd_device *memdev, cqr->startdev = memdev; cqr->memdev = memdev; cqr->block = block; - cqr->expires = DIAG_TIMEOUT; + cqr->expires = memdev->default_expires * HZ; cqr->status = DASD_CQR_FILLED; return cqr; } diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index ab84da5..66360c2 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -82,6 +82,14 @@ static struct ccw_driver dasd_eckd_driver; /* see below */ #define INIT_CQR_UNFORMATTED 1 #define INIT_CQR_ERROR 2 +/* emergency request for reserve/release */ +static struct { + struct dasd_ccw_req cqr; + struct ccw1 ccw; + char data[32]; +} *dasd_reserve_req; +static DEFINE_MUTEX(dasd_reserve_mutex); + /* initial attempt at a probe function. this can be simplified once * the other detection code is gone */ @@ -1107,8 +1115,9 @@ dasd_eckd_check_characteristics(struct dasd_device *device) struct dasd_eckd_private *private; struct dasd_block *block; struct dasd_uid temp_uid; - int is_known, rc; + int is_known, rc, i; int readonly; + unsigned long value; if (!ccw_device_is_pathgroup(device->cdev)) { dev_warn(&device->cdev->dev, @@ -1143,6 +1152,18 @@ dasd_eckd_check_characteristics(struct dasd_device *device) if (rc) goto out_err1; + /* set default timeout */ + device->default_expires = DASD_EXPIRES; + if (private->gneq) { + value = 1; + for (i = 0; i < private->gneq->timeout.value; i++) + value = 10 * value; + value = value * private->gneq->timeout.number; + /* do not accept useless values */ + if (value != 0 && value <= DASD_EXPIRES_MAX) + device->default_expires = value; + } + /* Generate device unique id */ rc = dasd_eckd_generate_uid(device); if (rc) @@ -1973,7 +1994,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_single( cqr->startdev = startdev; cqr->memdev = startdev; cqr->block = block; - cqr->expires = 5 * 60 * HZ; /* 5 minutes */ + cqr->expires = startdev->default_expires * HZ; /* default 5 minutes */ cqr->lpm = private->path_data.ppm; cqr->retries = 256; cqr->buildclk = get_clock(); @@ -2150,7 +2171,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_track( cqr->startdev = startdev; cqr->memdev = startdev; cqr->block = block; - cqr->expires = 5 * 60 * HZ; /* 5 minutes */ + cqr->expires = startdev->default_expires * HZ; /* default 5 minutes */ cqr->lpm = private->path_data.ppm; cqr->retries = 256; cqr->buildclk = get_clock(); @@ -2398,7 +2419,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track( cqr->startdev = startdev; cqr->memdev = startdev; cqr->block = block; - cqr->expires = 5 * 60 * HZ; /* 5 minutes */ + cqr->expires = startdev->default_expires * HZ; /* default 5 minutes */ cqr->lpm = private->path_data.ppm; cqr->retries = 256; cqr->buildclk = get_clock(); @@ -2645,15 +2666,23 @@ dasd_eckd_release(struct dasd_device *device) struct dasd_ccw_req *cqr; int rc; struct ccw1 *ccw; + int useglobal; if (!capable(CAP_SYS_ADMIN)) return -EACCES; + useglobal = 0; cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 1, 32, device); if (IS_ERR(cqr)) { - DBF_DEV_EVENT(DBF_WARNING, device, "%s", - "Could not allocate initialization request"); - return PTR_ERR(cqr); + mutex_lock(&dasd_reserve_mutex); + useglobal = 1; + cqr = &dasd_reserve_req->cqr; + memset(cqr, 0, sizeof(*cqr)); + memset(&dasd_reserve_req->ccw, 0, + sizeof(dasd_reserve_req->ccw)); + cqr->cpaddr = &dasd_reserve_req->ccw; + cqr->data = &dasd_reserve_req->data; + cqr->magic = DASD_ECKD_MAGIC; } ccw = cqr->cpaddr; ccw->cmd_code = DASD_ECKD_CCW_RELEASE; @@ -2671,7 +2700,10 @@ dasd_eckd_release(struct dasd_device *device) rc = dasd_sleep_on_immediatly(cqr); - dasd_sfree_request(cqr, cqr->memdev); + if (useglobal) + mutex_unlock(&dasd_reserve_mutex); + else + dasd_sfree_request(cqr, cqr->memdev); return rc; } @@ -2687,15 +2719,23 @@ dasd_eckd_reserve(struct dasd_device *device) struct dasd_ccw_req *cqr; int rc; struct ccw1 *ccw; + int useglobal; if (!capable(CAP_SYS_ADMIN)) return -EACCES; + useglobal = 0; cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 1, 32, device); if (IS_ERR(cqr)) { - DBF_DEV_EVENT(DBF_WARNING, device, "%s", - "Could not allocate initialization request"); - return PTR_ERR(cqr); + mutex_lock(&dasd_reserve_mutex); + useglobal = 1; + cqr = &dasd_reserve_req->cqr; + memset(cqr, 0, sizeof(*cqr)); + memset(&dasd_reserve_req->ccw, 0, + sizeof(dasd_reserve_req->ccw)); + cqr->cpaddr = &dasd_reserve_req->ccw; + cqr->data = &dasd_reserve_req->data; + cqr->magic = DASD_ECKD_MAGIC; } ccw = cqr->cpaddr; ccw->cmd_code = DASD_ECKD_CCW_RESERVE; @@ -2713,7 +2753,10 @@ dasd_eckd_reserve(struct dasd_device *device) rc = dasd_sleep_on_immediatly(cqr); - dasd_sfree_request(cqr, cqr->memdev); + if (useglobal) + mutex_unlock(&dasd_reserve_mutex); + else + dasd_sfree_request(cqr, cqr->memdev); return rc; } @@ -2728,15 +2771,23 @@ dasd_eckd_steal_lock(struct dasd_device *device) struct dasd_ccw_req *cqr; int rc; struct ccw1 *ccw; + int useglobal; if (!capable(CAP_SYS_ADMIN)) return -EACCES; + useglobal = 0; cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 1, 32, device); if (IS_ERR(cqr)) { - DBF_DEV_EVENT(DBF_WARNING, device, "%s", - "Could not allocate initialization request"); - return PTR_ERR(cqr); + mutex_lock(&dasd_reserve_mutex); + useglobal = 1; + cqr = &dasd_reserve_req->cqr; + memset(cqr, 0, sizeof(*cqr)); + memset(&dasd_reserve_req->ccw, 0, + sizeof(dasd_reserve_req->ccw)); + cqr->cpaddr = &dasd_reserve_req->ccw; + cqr->data = &dasd_reserve_req->data; + cqr->magic = DASD_ECKD_MAGIC; } ccw = cqr->cpaddr; ccw->cmd_code = DASD_ECKD_CCW_SLCK; @@ -2754,7 +2805,10 @@ dasd_eckd_steal_lock(struct dasd_device *device) rc = dasd_sleep_on_immediatly(cqr); - dasd_sfree_request(cqr, cqr->memdev); + if (useglobal) + mutex_unlock(&dasd_reserve_mutex); + else + dasd_sfree_request(cqr, cqr->memdev); return rc; } @@ -3488,10 +3542,15 @@ dasd_eckd_init(void) int ret; ASCEBC(dasd_eckd_discipline.ebcname, 4); + dasd_reserve_req = kmalloc(sizeof(*dasd_reserve_req), + GFP_KERNEL | GFP_DMA); + if (!dasd_reserve_req) + return -ENOMEM; ret = ccw_driver_register(&dasd_eckd_driver); if (!ret) wait_for_device_probe(); - + else + kfree(dasd_reserve_req); return ret; } @@ -3499,6 +3558,7 @@ static void __exit dasd_eckd_cleanup(void) { ccw_driver_unregister(&dasd_eckd_driver); + kfree(dasd_reserve_req); } module_init(dasd_eckd_init); diff --git a/drivers/s390/block/dasd_eckd.h b/drivers/s390/block/dasd_eckd.h index dd6385a..0eb4965 100644 --- a/drivers/s390/block/dasd_eckd.h +++ b/drivers/s390/block/dasd_eckd.h @@ -320,7 +320,12 @@ struct dasd_gneq { __u8 identifier:2; __u8 reserved:6; } __attribute__ ((packed)) flags; - __u8 reserved[7]; + __u8 reserved[5]; + struct { + __u8 value:2; + __u8 number:6; + } __attribute__ ((packed)) timeout; + __u8 reserved3; __u16 subsystemID; __u8 reserved2[22]; } __attribute__ ((packed)); diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c index 37282b9..bec5486e 100644 --- a/drivers/s390/block/dasd_fba.c +++ b/drivers/s390/block/dasd_fba.c @@ -163,6 +163,8 @@ dasd_fba_check_characteristics(struct dasd_device *device) return rc; } + device->default_expires = DASD_EXPIRES; + readonly = dasd_device_is_ro(device); if (readonly) set_bit(DASD_FLAG_DEVICE_RO, &device->flags); @@ -370,7 +372,7 @@ static struct dasd_ccw_req *dasd_fba_build_cp(struct dasd_device * memdev, cqr->startdev = memdev; cqr->memdev = memdev; cqr->block = block; - cqr->expires = 5 * 60 * HZ; /* 5 minutes */ + cqr->expires = memdev->default_expires * HZ; /* default 5 minutes */ cqr->retries = 32; cqr->buildclk = get_clock(); cqr->status = DASD_CQR_FILLED; diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h index 49b431d..500678d 100644 --- a/drivers/s390/block/dasd_int.h +++ b/drivers/s390/block/dasd_int.h @@ -186,7 +186,7 @@ struct dasd_ccw_req { /* ... and how */ unsigned long starttime; /* jiffies time of request start */ - int expires; /* expiration period in jiffies */ + unsigned long expires; /* expiration period in jiffies */ char lpm; /* logical path mask */ void *data; /* pointer to data area */ @@ -224,6 +224,9 @@ struct dasd_ccw_req { #define DASD_CQR_CLEARED 0x84 /* request was cleared */ #define DASD_CQR_SUCCESS 0x85 /* request was successful */ +/* default expiration time*/ +#define DASD_EXPIRES 300 +#define DASD_EXPIRES_MAX 40000000 /* per dasd_ccw_req flags */ #define DASD_CQR_FLAGS_USE_ERP 0 /* use ERP for this request */ @@ -404,6 +407,9 @@ struct dasd_device { /* hook for alias management */ struct list_head alias_list; + + /* default expiration time in s */ + unsigned long default_expires; }; struct dasd_block { diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index 9b43ae9..2bd72aa 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -14,6 +14,7 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/blkdev.h> +#include <linux/smp_lock.h> #include <linux/completion.h> #include <linux/interrupt.h> #include <linux/platform_device.h> @@ -775,6 +776,7 @@ dcssblk_open(struct block_device *bdev, fmode_t mode) struct dcssblk_dev_info *dev_info; int rc; + lock_kernel(); dev_info = bdev->bd_disk->private_data; if (NULL == dev_info) { rc = -ENODEV; @@ -784,6 +786,7 @@ dcssblk_open(struct block_device *bdev, fmode_t mode) bdev->bd_block_size = 4096; rc = 0; out: + unlock_kernel(); return rc; } @@ -794,6 +797,7 @@ dcssblk_release(struct gendisk *disk, fmode_t mode) struct segment_info *entry; int rc; + lock_kernel(); if (!dev_info) { rc = -ENODEV; goto out; @@ -811,6 +815,7 @@ dcssblk_release(struct gendisk *disk, fmode_t mode) up_write(&dcssblk_devices_sem); rc = 0; out: + unlock_kernel(); return rc; } diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c index 097da8c..b7de025 100644 --- a/drivers/s390/char/tape_block.c +++ b/drivers/s390/char/tape_block.c @@ -16,6 +16,7 @@ #include <linux/fs.h> #include <linux/module.h> #include <linux/blkdev.h> +#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/buffer_head.h> #include <linux/kernel.h> @@ -361,6 +362,7 @@ tapeblock_open(struct block_device *bdev, fmode_t mode) struct tape_device * device; int rc; + lock_kernel(); device = tape_get_device(disk->private_data); if (device->required_tapemarks) { @@ -384,12 +386,14 @@ tapeblock_open(struct block_device *bdev, fmode_t mode) * is called. */ tape_state_set(device, TS_BLKUSE); + unlock_kernel(); return 0; release: tape_release(device); put_device: tape_put_device(device); + unlock_kernel(); return rc; } @@ -403,10 +407,12 @@ static int tapeblock_release(struct gendisk *disk, fmode_t mode) { struct tape_device *device = disk->private_data; - + + lock_kernel(); tape_state_set(device, TS_IN_USE); tape_release(device); tape_put_device(device); + unlock_kernel(); return 0; } diff --git a/drivers/s390/cio/ccwreq.c b/drivers/s390/cio/ccwreq.c index 7f206ed..d15f8b4 100644 --- a/drivers/s390/cio/ccwreq.c +++ b/drivers/s390/cio/ccwreq.c @@ -38,9 +38,13 @@ static u16 ccwreq_next_path(struct ccw_device *cdev) { struct ccw_request *req = &cdev->private->req; + if (!req->singlepath) { + req->mask = 0; + goto out; + } req->retries = req->maxretries; req->mask = lpm_adjust(req->mask >>= 1, req->lpm); - +out: return req->mask; } @@ -113,8 +117,12 @@ void ccw_request_start(struct ccw_device *cdev) { struct ccw_request *req = &cdev->private->req; - /* Try all paths twice to counter link flapping. */ - req->mask = 0x8080; + if (req->singlepath) { + /* Try all paths twice to counter link flapping. */ + req->mask = 0x8080; + } else + req->mask = req->lpm; + req->retries = req->maxretries; req->mask = lpm_adjust(req->mask, req->lpm); req->drc = 0; @@ -182,6 +190,8 @@ static enum io_status ccwreq_status(struct ccw_device *cdev, struct irb *lcirb) /* Ask the driver what to do */ if (cdev->drv && cdev->drv->uc_handler) { todo = cdev->drv->uc_handler(cdev, lcirb); + CIO_TRACE_EVENT(2, "uc_response"); + CIO_HEX_EVENT(2, &todo, sizeof(todo)); switch (todo) { case UC_TODO_RETRY: return IO_STATUS_ERROR; diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index 407d0e9..4cbb1a6 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -29,6 +29,7 @@ #include "chsc.h" static void *sei_page; +static DEFINE_SPINLOCK(siosl_lock); static DEFINE_SPINLOCK(sda_lock); /** @@ -48,6 +49,7 @@ int chsc_error_from_response(int response) case 0x0007: case 0x0008: case 0x000a: + case 0x0104: return -EINVAL; case 0x0004: return -EOPNOTSUPP; @@ -974,3 +976,49 @@ int chsc_sstpi(void *page, void *result, size_t size) return (rr->response.code == 0x0001) ? 0 : -EIO; } +static struct { + struct chsc_header request; + u32 word1; + struct subchannel_id sid; + u32 word3; + struct chsc_header response; + u32 word[11]; +} __attribute__ ((packed)) siosl_area __attribute__ ((__aligned__(PAGE_SIZE))); + +int chsc_siosl(struct subchannel_id schid) +{ + unsigned long flags; + int ccode; + int rc; + + spin_lock_irqsave(&siosl_lock, flags); + memset(&siosl_area, 0, sizeof(siosl_area)); + siosl_area.request.length = 0x0010; + siosl_area.request.code = 0x0046; + siosl_area.word1 = 0x80000000; + siosl_area.sid = schid; + + ccode = chsc(&siosl_area); + if (ccode > 0) { + if (ccode == 3) + rc = -ENODEV; + else + rc = -EBUSY; + CIO_MSG_EVENT(2, "chsc: chsc failed for 0.%x.%04x (ccode=%d)\n", + schid.ssid, schid.sch_no, ccode); + goto out; + } + rc = chsc_error_from_response(siosl_area.response.code); + if (rc) + CIO_MSG_EVENT(2, "chsc: siosl failed for 0.%x.%04x (rc=%04x)\n", + schid.ssid, schid.sch_no, + siosl_area.response.code); + else + CIO_MSG_EVENT(4, "chsc: siosl succeeded for 0.%x.%04x\n", + schid.ssid, schid.sch_no); +out: + spin_unlock_irqrestore(&siosl_lock, flags); + + return rc; +} +EXPORT_SYMBOL_GPL(chsc_siosl); diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h index 37aa611..5453013 100644 --- a/drivers/s390/cio/chsc.h +++ b/drivers/s390/cio/chsc.h @@ -80,4 +80,6 @@ int chsc_get_channel_measurement_chars(struct channel_path *chp); int chsc_error_from_response(int response); +int chsc_siosl(struct subchannel_id schid); + #endif diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 6d229f3..51bd368 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -36,6 +36,7 @@ #include "ioasm.h" #include "io_sch.h" #include "blacklist.h" +#include "chsc.h" static struct timer_list recovery_timer; static DEFINE_SPINLOCK(recovery_lock); @@ -486,9 +487,11 @@ static int online_store_handle_offline(struct ccw_device *cdev) spin_lock_irq(cdev->ccwlock); ccw_device_sched_todo(cdev, CDEV_TODO_UNREG_EVAL); spin_unlock_irq(cdev->ccwlock); - } else if (cdev->online && cdev->drv && cdev->drv->set_offline) + return 0; + } + if (cdev->drv && cdev->drv->set_offline) return ccw_device_set_offline(cdev); - return 0; + return -EINVAL; } static int online_store_recog_and_online(struct ccw_device *cdev) @@ -505,8 +508,8 @@ static int online_store_recog_and_online(struct ccw_device *cdev) return -EAGAIN; } if (cdev->drv && cdev->drv->set_online) - ccw_device_set_online(cdev); - return 0; + return ccw_device_set_online(cdev); + return -EINVAL; } static int online_store_handle_online(struct ccw_device *cdev, int force) @@ -598,6 +601,25 @@ available_show (struct device *dev, struct device_attribute *attr, char *buf) } } +static ssize_t +initiate_logging(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct subchannel *sch = to_subchannel(dev); + int rc; + + rc = chsc_siosl(sch->schid); + if (rc < 0) { + pr_warning("Logging for subchannel 0.%x.%04x failed with " + "errno=%d\n", + sch->schid.ssid, sch->schid.sch_no, rc); + return rc; + } + pr_notice("Logging for subchannel 0.%x.%04x was triggered\n", + sch->schid.ssid, sch->schid.sch_no); + return count; +} + static DEVICE_ATTR(chpids, 0444, chpids_show, NULL); static DEVICE_ATTR(pimpampom, 0444, pimpampom_show, NULL); static DEVICE_ATTR(devtype, 0444, devtype_show, NULL); @@ -605,10 +627,12 @@ static DEVICE_ATTR(cutype, 0444, cutype_show, NULL); static DEVICE_ATTR(modalias, 0444, modalias_show, NULL); static DEVICE_ATTR(online, 0644, online_show, online_store); static DEVICE_ATTR(availability, 0444, available_show, NULL); +static DEVICE_ATTR(logging, 0200, NULL, initiate_logging); static struct attribute *io_subchannel_attrs[] = { &dev_attr_chpids.attr, &dev_attr_pimpampom.attr, + &dev_attr_logging.attr, NULL, }; @@ -2036,6 +2060,21 @@ void ccw_device_sched_todo(struct ccw_device *cdev, enum cdev_todo todo) } } +/** + * ccw_device_siosl() - initiate logging + * @cdev: ccw device + * + * This function is used to invoke model-dependent logging within the channel + * subsystem. + */ +int ccw_device_siosl(struct ccw_device *cdev) +{ + struct subchannel *sch = to_subchannel(cdev->dev.parent); + + return chsc_siosl(sch->schid); +} +EXPORT_SYMBOL_GPL(ccw_device_siosl); + MODULE_LICENSE("GPL"); EXPORT_SYMBOL(ccw_device_set_online); EXPORT_SYMBOL(ccw_device_set_offline); diff --git a/drivers/s390/cio/device_pgid.c b/drivers/s390/cio/device_pgid.c index 6facb54..82a5ad0 100644 --- a/drivers/s390/cio/device_pgid.c +++ b/drivers/s390/cio/device_pgid.c @@ -208,6 +208,7 @@ static void spid_start(struct ccw_device *cdev) req->timeout = PGID_TIMEOUT; req->maxretries = PGID_RETRIES; req->lpm = 0x80; + req->singlepath = 1; req->callback = spid_callback; spid_do(cdev); } @@ -420,6 +421,7 @@ static void verify_start(struct ccw_device *cdev) req->timeout = PGID_TIMEOUT; req->maxretries = PGID_RETRIES; req->lpm = 0x80; + req->singlepath = 1; if (cdev->private->flags.pgroup) { CIO_TRACE_EVENT(4, "snid"); CIO_HEX_EVENT(4, devid, sizeof(*devid)); @@ -507,6 +509,7 @@ void ccw_device_disband_start(struct ccw_device *cdev) req->timeout = PGID_TIMEOUT; req->maxretries = PGID_RETRIES; req->lpm = sch->schib.pmcw.pam & sch->opm; + req->singlepath = 1; req->callback = disband_callback; fn = SPID_FUNC_DISBAND; if (cdev->private->flags.mpath) diff --git a/drivers/s390/cio/io_sch.h b/drivers/s390/cio/io_sch.h index b9ce712..469ef93 100644 --- a/drivers/s390/cio/io_sch.h +++ b/drivers/s390/cio/io_sch.h @@ -92,11 +92,12 @@ enum io_status { * @filter: optional callback to adjust request status based on IRB data * @callback: final callback * @data: user-defined pointer passed to all callbacks + * @singlepath: if set, use only one path from @lpm per start I/O + * @cancel: non-zero if request was cancelled + * @done: non-zero if request was finished * @mask: current path mask * @retries: current number of retries * @drc: delayed return code - * @cancel: non-zero if request was cancelled - * @done: non-zero if request was finished */ struct ccw_request { struct ccw1 *cp; @@ -108,12 +109,13 @@ struct ccw_request { enum io_status); void (*callback)(struct ccw_device *, void *, int); void *data; + unsigned int singlepath:1; /* These fields are used internally. */ + unsigned int cancel:1; + unsigned int done:1; u16 mask; u16 retries; int drc; - int cancel:1; - int done:1; } __attribute__((packed)); /* diff --git a/drivers/s390/net/smsgiucv_app.c b/drivers/s390/net/smsgiucv_app.c index 1376887..4d2ea40 100644 --- a/drivers/s390/net/smsgiucv_app.c +++ b/drivers/s390/net/smsgiucv_app.c @@ -180,6 +180,13 @@ static int __init smsgiucv_app_init(void) goto fail_put_driver; } + /* convert sender to uppercase characters */ + if (sender) { + int len = strlen(sender); + while (len--) + sender[len] = toupper(sender[len]); + } + /* register with the smsgiucv device driver */ rc = smsg_register_callback(SMSG_PREFIX, smsg_app_callback); if (rc) { diff --git a/drivers/scsi/aha1542.c b/drivers/scsi/aha1542.c index 2a8cf13..4f785f2 100644 --- a/drivers/scsi/aha1542.c +++ b/drivers/scsi/aha1542.c @@ -52,22 +52,6 @@ #define SCSI_BUF_PA(address) isa_virt_to_bus(address) #define SCSI_SG_PA(sgent) (isa_page_to_bus(sg_page((sgent))) + (sgent)->offset) -static void BAD_SG_DMA(Scsi_Cmnd * SCpnt, - struct scatterlist *sgp, - int nseg, - int badseg) -{ - printk(KERN_CRIT "sgpnt[%d:%d] page %p/0x%llx length %u\n", - badseg, nseg, sg_virt(sgp), - (unsigned long long)SCSI_SG_PA(sgp), - sgp->length); - - /* - * Not safe to continue. - */ - panic("Buffer at physical address > 16Mb used for aha1542"); -} - #include<linux/stat.h> #ifdef DEBUG @@ -691,8 +675,6 @@ static int aha1542_queuecommand(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) } scsi_for_each_sg(SCpnt, sg, sg_count, i) { any2scsi(cptr[i].dataptr, SCSI_SG_PA(sg)); - if (SCSI_SG_PA(sg) + sg->length - 1 > ISA_DMA_THRESHOLD) - BAD_SG_DMA(SCpnt, scsi_sglist(SCpnt), sg_count, i); any2scsi(cptr[i].datalen, sg->length); }; any2scsi(ccb[mbo].datalen, sg_count * sizeof(struct chain)); @@ -1133,16 +1115,9 @@ static int __init aha1542_detect(struct scsi_host_template * tpnt) release_region(bases[indx], 4); continue; } - /* For now we do this - until kmalloc is more intelligent - we are resigned to stupid hacks like this */ - if (SCSI_BUF_PA(shpnt) >= ISA_DMA_THRESHOLD) { - printk(KERN_ERR "Invalid address for shpnt with 1542.\n"); - goto unregister; - } if (!aha1542_test_port(bases[indx], shpnt)) goto unregister; - base_io = bases[indx]; /* Set the Bus on/off-times as not to ruin floppy performance */ diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c index ee4b691..fda4de3 100644 --- a/drivers/scsi/osd/osd_initiator.c +++ b/drivers/scsi/osd/osd_initiator.c @@ -716,7 +716,7 @@ static int _osd_req_list_objects(struct osd_request *or, return PTR_ERR(bio); } - bio->bi_rw &= ~(1 << BIO_RW); + bio->bi_rw &= ~REQ_WRITE; or->in.bio = bio; or->in.total_bytes = bio->bi_size; return 0; @@ -814,7 +814,7 @@ void osd_req_write(struct osd_request *or, { _osd_req_encode_common(or, OSD_ACT_WRITE, obj, offset, len); WARN_ON(or->out.bio || or->out.total_bytes); - WARN_ON(0 == bio_rw_flagged(bio, BIO_RW)); + WARN_ON(0 == (bio->bi_rw & REQ_WRITE)); or->out.bio = bio; or->out.total_bytes = len; } @@ -829,7 +829,7 @@ int osd_req_write_kern(struct osd_request *or, if (IS_ERR(bio)) return PTR_ERR(bio); - bio->bi_rw |= (1 << BIO_RW); /* FIXME: bio_set_dir() */ + bio->bi_rw |= REQ_WRITE; /* FIXME: bio_set_dir() */ osd_req_write(or, obj, offset, bio, len); return 0; } @@ -865,7 +865,7 @@ void osd_req_read(struct osd_request *or, { _osd_req_encode_common(or, OSD_ACT_READ, obj, offset, len); WARN_ON(or->in.bio || or->in.total_bytes); - WARN_ON(1 == bio_rw_flagged(bio, BIO_RW)); + WARN_ON(1 == (bio->bi_rw & REQ_WRITE)); or->in.bio = bio; or->in.total_bytes = len; } diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 2bf9846..bbbc186 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -320,7 +320,7 @@ static int scsi_check_sense(struct scsi_cmnd *scmd) "changed. The Linux SCSI layer does not " "automatically adjust these parameters.\n"); - if (blk_barrier_rq(scmd->request)) + if (scmd->request->cmd_flags & REQ_HARDBARRIER) /* * barrier requests should always retry on UA * otherwise block will get a spurious error @@ -1331,16 +1331,16 @@ int scsi_noretry_cmd(struct scsi_cmnd *scmd) case DID_OK: break; case DID_BUS_BUSY: - return blk_failfast_transport(scmd->request); + return (scmd->request->cmd_flags & REQ_FAILFAST_TRANSPORT); case DID_PARITY: - return blk_failfast_dev(scmd->request); + return (scmd->request->cmd_flags & REQ_FAILFAST_DEV); case DID_ERROR: if (msg_byte(scmd->result) == COMMAND_COMPLETE && status_byte(scmd->result) == RESERVATION_CONFLICT) return 0; /* fall through */ case DID_SOFT_ERROR: - return blk_failfast_driver(scmd->request); + return (scmd->request->cmd_flags & REQ_FAILFAST_DRIVER); } switch (status_byte(scmd->result)) { @@ -1349,7 +1349,9 @@ int scsi_noretry_cmd(struct scsi_cmnd *scmd) * assume caller has checked sense and determinted * the check condition was retryable. */ - return blk_failfast_dev(scmd->request); + if (scmd->request->cmd_flags & REQ_FAILFAST_DEV || + scmd->request->cmd_type == REQ_TYPE_BLOCK_PC) + return 1; } return 0; diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 1646fe7..b8de389 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -85,7 +85,7 @@ static void scsi_unprep_request(struct request *req) { struct scsi_cmnd *cmd = req->special; - req->cmd_flags &= ~REQ_DONTPREP; + blk_unprep_request(req); req->special = NULL; scsi_put_command(cmd); @@ -722,7 +722,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) sense_deferred = scsi_sense_is_deferred(&sshdr); } - if (blk_pc_request(req)) { /* SG_IO ioctl from block level */ + if (req->cmd_type == REQ_TYPE_BLOCK_PC) { /* SG_IO ioctl from block level */ req->errors = result; if (result) { if (sense_valid && req->sense) { @@ -757,7 +757,8 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) } } - BUG_ON(blk_bidi_rq(req)); /* bidi not support for !blk_pc_request yet */ + /* no bidi support for !REQ_TYPE_BLOCK_PC yet */ + BUG_ON(blk_bidi_rq(req)); /* * Next deal with any sectors which we were able to correctly @@ -1010,11 +1011,8 @@ int scsi_init_io(struct scsi_cmnd *cmd, gfp_t gfp_mask) err_exit: scsi_release_buffers(cmd); - if (error == BLKPREP_KILL) - scsi_put_command(cmd); - else /* BLKPREP_DEFER */ - scsi_unprep_request(cmd->request); - + scsi_put_command(cmd); + cmd->request->special = NULL; return error; } EXPORT_SYMBOL(scsi_init_io); diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index cc8a1d1..8e2e893 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -46,6 +46,7 @@ #include <linux/blkdev.h> #include <linux/blkpg.h> #include <linux/delay.h> +#include <linux/smp_lock.h> #include <linux/mutex.h> #include <linux/string_helpers.h> #include <linux/async.h> @@ -411,54 +412,85 @@ static void sd_prot_op(struct scsi_cmnd *scmd, unsigned int dif) } /** - * sd_prepare_discard - unmap blocks on thinly provisioned device + * scsi_setup_discard_cmnd - unmap blocks on thinly provisioned device + * @sdp: scsi device to operate one * @rq: Request to prepare * * Will issue either UNMAP or WRITE SAME(16) depending on preference * indicated by target device. **/ -static int sd_prepare_discard(struct request *rq) +static int scsi_setup_discard_cmnd(struct scsi_device *sdp, struct request *rq) { struct scsi_disk *sdkp = scsi_disk(rq->rq_disk); struct bio *bio = rq->bio; sector_t sector = bio->bi_sector; - unsigned int num = bio_sectors(bio); + unsigned int nr_sectors = bio_sectors(bio); + unsigned int len; + int ret; + struct page *page; if (sdkp->device->sector_size == 4096) { sector >>= 3; - num >>= 3; + nr_sectors >>= 3; } - rq->cmd_type = REQ_TYPE_BLOCK_PC; rq->timeout = SD_TIMEOUT; memset(rq->cmd, 0, rq->cmd_len); + page = alloc_page(GFP_ATOMIC | __GFP_ZERO); + if (!page) + return BLKPREP_DEFER; + if (sdkp->unmap) { - char *buf = kmap_atomic(bio_page(bio), KM_USER0); + char *buf = page_address(page); + rq->cmd_len = 10; rq->cmd[0] = UNMAP; rq->cmd[8] = 24; - rq->cmd_len = 10; - - /* Ensure that data length matches payload */ - rq->__data_len = bio->bi_size = bio->bi_io_vec->bv_len = 24; put_unaligned_be16(6 + 16, &buf[0]); put_unaligned_be16(16, &buf[2]); put_unaligned_be64(sector, &buf[8]); - put_unaligned_be32(num, &buf[16]); + put_unaligned_be32(nr_sectors, &buf[16]); - kunmap_atomic(buf, KM_USER0); + len = 24; } else { + rq->cmd_len = 16; rq->cmd[0] = WRITE_SAME_16; rq->cmd[1] = 0x8; /* UNMAP */ put_unaligned_be64(sector, &rq->cmd[2]); - put_unaligned_be32(num, &rq->cmd[10]); - rq->cmd_len = 16; + put_unaligned_be32(nr_sectors, &rq->cmd[10]); + + len = sdkp->device->sector_size; } - return BLKPREP_OK; + blk_add_request_payload(rq, page, len); + ret = scsi_setup_blk_pc_cmnd(sdp, rq); + rq->buffer = page_address(page); + if (ret != BLKPREP_OK) { + __free_page(page); + rq->buffer = NULL; + } + return ret; +} + +static int scsi_setup_flush_cmnd(struct scsi_device *sdp, struct request *rq) +{ + rq->timeout = SD_TIMEOUT; + rq->retries = SD_MAX_RETRIES; + rq->cmd[0] = SYNCHRONIZE_CACHE; + rq->cmd_len = 10; + + return scsi_setup_blk_pc_cmnd(sdp, rq); +} + +static void sd_unprep_fn(struct request_queue *q, struct request *rq) +{ + if (rq->cmd_flags & REQ_DISCARD) { + free_page((unsigned long)rq->buffer); + rq->buffer = NULL; + } } /** @@ -485,10 +517,13 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq) * Discard request come in as REQ_TYPE_FS but we turn them into * block PC requests to make life easier. */ - if (blk_discard_rq(rq)) - ret = sd_prepare_discard(rq); - - if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { + if (rq->cmd_flags & REQ_DISCARD) { + ret = scsi_setup_discard_cmnd(sdp, rq); + goto out; + } else if (rq->cmd_flags & REQ_FLUSH) { + ret = scsi_setup_flush_cmnd(sdp, rq); + goto out; + } else if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { ret = scsi_setup_blk_pc_cmnd(sdp, rq); goto out; } else if (rq->cmd_type != REQ_TYPE_FS) { @@ -636,7 +671,7 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq) SCpnt->cmnd[0] = VARIABLE_LENGTH_CMD; SCpnt->cmnd[7] = 0x18; SCpnt->cmnd[9] = (rq_data_dir(rq) == READ) ? READ_32 : WRITE_32; - SCpnt->cmnd[10] = protect | (blk_fua_rq(rq) ? 0x8 : 0); + SCpnt->cmnd[10] = protect | ((rq->cmd_flags & REQ_FUA) ? 0x8 : 0); /* LBA */ SCpnt->cmnd[12] = sizeof(block) > 4 ? (unsigned char) (block >> 56) & 0xff : 0; @@ -661,7 +696,7 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq) SCpnt->cmnd[31] = (unsigned char) this_count & 0xff; } else if (block > 0xffffffff) { SCpnt->cmnd[0] += READ_16 - READ_6; - SCpnt->cmnd[1] = protect | (blk_fua_rq(rq) ? 0x8 : 0); + SCpnt->cmnd[1] = protect | ((rq->cmd_flags & REQ_FUA) ? 0x8 : 0); SCpnt->cmnd[2] = sizeof(block) > 4 ? (unsigned char) (block >> 56) & 0xff : 0; SCpnt->cmnd[3] = sizeof(block) > 4 ? (unsigned char) (block >> 48) & 0xff : 0; SCpnt->cmnd[4] = sizeof(block) > 4 ? (unsigned char) (block >> 40) & 0xff : 0; @@ -682,7 +717,7 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq) this_count = 0xffff; SCpnt->cmnd[0] += READ_10 - READ_6; - SCpnt->cmnd[1] = protect | (blk_fua_rq(rq) ? 0x8 : 0); + SCpnt->cmnd[1] = protect | ((rq->cmd_flags & REQ_FUA) ? 0x8 : 0); SCpnt->cmnd[2] = (unsigned char) (block >> 24) & 0xff; SCpnt->cmnd[3] = (unsigned char) (block >> 16) & 0xff; SCpnt->cmnd[4] = (unsigned char) (block >> 8) & 0xff; @@ -691,7 +726,7 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq) SCpnt->cmnd[7] = (unsigned char) (this_count >> 8) & 0xff; SCpnt->cmnd[8] = (unsigned char) this_count & 0xff; } else { - if (unlikely(blk_fua_rq(rq))) { + if (unlikely(rq->cmd_flags & REQ_FUA)) { /* * This happens only if this drive failed * 10byte rw command with ILLEGAL_REQUEST @@ -745,6 +780,8 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq) * or from within the kernel (e.g. as a result of a mount(1) ). * In the latter case @inode and @filp carry an abridged amount * of information as noted above. + * + * Locking: called with bdev->bd_mutex held. **/ static int sd_open(struct block_device *bdev, fmode_t mode) { @@ -799,7 +836,7 @@ static int sd_open(struct block_device *bdev, fmode_t mode) if (!scsi_device_online(sdev)) goto error_out; - if (!sdkp->openers++ && sdev->removable) { + if ((atomic_inc_return(&sdkp->openers) == 1) && sdev->removable) { if (scsi_block_when_processing_errors(sdev)) scsi_set_medium_removal(sdev, SCSI_REMOVAL_PREVENT); } @@ -823,6 +860,8 @@ error_autopm: * * Note: may block (uninterruptible) if error recovery is underway * on this disk. + * + * Locking: called with bdev->bd_mutex held. **/ static int sd_release(struct gendisk *disk, fmode_t mode) { @@ -831,7 +870,7 @@ static int sd_release(struct gendisk *disk, fmode_t mode) SCSI_LOG_HLQUEUE(3, sd_printk(KERN_INFO, sdkp, "sd_release\n")); - if (!--sdkp->openers && sdev->removable) { + if (atomic_dec_return(&sdkp->openers) && sdev->removable) { if (scsi_block_when_processing_errors(sdev)) scsi_set_medium_removal(sdev, SCSI_REMOVAL_ALLOW); } @@ -904,7 +943,7 @@ static int sd_ioctl(struct block_device *bdev, fmode_t mode, error = scsi_nonblockable_ioctl(sdp, cmd, p, (mode & FMODE_NDELAY) != 0); if (!scsi_block_when_processing_errors(sdp) || !error) - return error; + goto out; /* * Send SCSI addressing ioctls directly to mid level, send other @@ -914,13 +953,17 @@ static int sd_ioctl(struct block_device *bdev, fmode_t mode, switch (cmd) { case SCSI_IOCTL_GET_IDLUN: case SCSI_IOCTL_GET_BUS_NUMBER: - return scsi_ioctl(sdp, cmd, p); + error = scsi_ioctl(sdp, cmd, p); + break; default: error = scsi_cmd_ioctl(disk->queue, disk, mode, cmd, p); if (error != -ENOTTY) - return error; + break; + error = scsi_ioctl(sdp, cmd, p); + break; } - return scsi_ioctl(sdp, cmd, p); +out: + return error; } static void set_media_not_present(struct scsi_disk *sdkp) @@ -1045,15 +1088,6 @@ static int sd_sync_cache(struct scsi_disk *sdkp) return 0; } -static void sd_prepare_flush(struct request_queue *q, struct request *rq) -{ - rq->cmd_type = REQ_TYPE_BLOCK_PC; - rq->timeout = SD_TIMEOUT; - rq->retries = SD_MAX_RETRIES; - rq->cmd[0] = SYNCHRONIZE_CACHE; - rq->cmd_len = 10; -} - static void sd_rescan(struct device *dev) { struct scsi_disk *sdkp = scsi_disk_get_from_dev(dev); @@ -1103,7 +1137,7 @@ static const struct block_device_operations sd_fops = { .owner = THIS_MODULE, .open = sd_open, .release = sd_release, - .locked_ioctl = sd_ioctl, + .ioctl = sd_ioctl, .getgeo = sd_getgeo, #ifdef CONFIG_COMPAT .compat_ioctl = sd_compat_ioctl, @@ -1120,7 +1154,7 @@ static unsigned int sd_completed_bytes(struct scsi_cmnd *scmd) u64 bad_lba; int info_valid; - if (!blk_fs_request(scmd->request)) + if (scmd->request->cmd_type != REQ_TYPE_FS) return 0; info_valid = scsi_get_sense_info_fld(scmd->sense_buffer, @@ -1171,6 +1205,12 @@ static int sd_done(struct scsi_cmnd *SCpnt) int sense_valid = 0; int sense_deferred = 0; + if (SCpnt->request->cmd_flags & REQ_DISCARD) { + if (!result) + scsi_set_resid(SCpnt, 0); + return good_bytes; + } + if (result) { sense_valid = scsi_command_normalize_sense(SCpnt, &sshdr); if (sense_valid) @@ -2121,7 +2161,7 @@ static int sd_revalidate_disk(struct gendisk *disk) else ordered = QUEUE_ORDERED_DRAIN; - blk_queue_ordered(sdkp->disk->queue, ordered, sd_prepare_flush); + blk_queue_ordered(sdkp->disk->queue, ordered); set_capacity(disk, sdkp->capacity); kfree(buffer); @@ -2234,6 +2274,7 @@ static void sd_probe_async(void *data, async_cookie_t cookie) sd_revalidate_disk(gd); blk_queue_prep_rq(sdp->request_queue, sd_prep_fn); + blk_queue_unprep_rq(sdp->request_queue, sd_unprep_fn); gd->driverfs_dev = &sdp->sdev_gendev; gd->flags = GENHD_FL_EXT_DEVT; @@ -2313,7 +2354,7 @@ static int sd_probe(struct device *dev) sdkp->driver = &sd_template; sdkp->disk = gd; sdkp->index = index; - sdkp->openers = 0; + atomic_set(&sdkp->openers, 0); sdkp->previous_state = 1; if (!sdp->request_queue->rq_timeout) { @@ -2372,6 +2413,7 @@ static int sd_remove(struct device *dev) async_synchronize_full(); blk_queue_prep_rq(sdkp->device->request_queue, scsi_prep_fn); + blk_queue_unprep_rq(sdkp->device->request_queue, NULL); device_del(&sdkp->dev); del_gendisk(sdkp->disk); sd_shutdown(dev); diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h index 43d3caf..f81a930 100644 --- a/drivers/scsi/sd.h +++ b/drivers/scsi/sd.h @@ -47,7 +47,7 @@ struct scsi_disk { struct scsi_device *device; struct device dev; struct gendisk *disk; - unsigned int openers; /* protected by BKL for now, yuck */ + atomic_t openers; sector_t capacity; /* size in 512-byte sectors */ u32 index; unsigned short hw_sector_size; diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index 0a90abc..ba9c3e0 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -44,6 +44,7 @@ #include <linux/init.h> #include <linux/blkdev.h> #include <linux/mutex.h> +#include <linux/smp_lock.h> #include <linux/slab.h> #include <asm/uaccess.h> @@ -466,22 +467,27 @@ static int sr_prep_fn(struct request_queue *q, struct request *rq) static int sr_block_open(struct block_device *bdev, fmode_t mode) { - struct scsi_cd *cd = scsi_cd_get(bdev->bd_disk); + struct scsi_cd *cd; int ret = -ENXIO; + lock_kernel(); + cd = scsi_cd_get(bdev->bd_disk); if (cd) { ret = cdrom_open(&cd->cdi, bdev, mode); if (ret) scsi_cd_put(cd); } + unlock_kernel(); return ret; } static int sr_block_release(struct gendisk *disk, fmode_t mode) { struct scsi_cd *cd = scsi_cd(disk); + lock_kernel(); cdrom_release(&cd->cdi, mode); scsi_cd_put(cd); + unlock_kernel(); return 0; } @@ -493,6 +499,8 @@ static int sr_block_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, void __user *argp = (void __user *)arg; int ret; + lock_kernel(); + /* * Send SCSI addressing ioctls directly to mid level, send other * ioctls to cdrom/block level. @@ -500,12 +508,13 @@ static int sr_block_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, switch (cmd) { case SCSI_IOCTL_GET_IDLUN: case SCSI_IOCTL_GET_BUS_NUMBER: - return scsi_ioctl(sdev, cmd, argp); + ret = scsi_ioctl(sdev, cmd, argp); + goto out; } ret = cdrom_ioctl(&cd->cdi, bdev, mode, cmd, arg); if (ret != -ENOSYS) - return ret; + goto out; /* * ENODEV means that we didn't recognise the ioctl, or that we @@ -516,8 +525,12 @@ static int sr_block_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, ret = scsi_nonblockable_ioctl(sdev, cmd, argp, (mode & FMODE_NDELAY) != 0); if (ret != -ENODEV) - return ret; - return scsi_ioctl(sdev, cmd, argp); + goto out; + ret = scsi_ioctl(sdev, cmd, argp); + +out: + unlock_kernel(); + return ret; } static int sr_block_media_changed(struct gendisk *disk) @@ -531,7 +544,7 @@ static const struct block_device_operations sr_bdops = .owner = THIS_MODULE, .open = sr_block_open, .release = sr_block_release, - .locked_ioctl = sr_block_ioctl, + .ioctl = sr_block_ioctl, .media_changed = sr_block_media_changed, /* * No compat_ioctl for now because sr_block_ioctl never diff --git a/drivers/scsi/sun3_NCR5380.c b/drivers/scsi/sun3_NCR5380.c index b5838d5..713620e 100644 --- a/drivers/scsi/sun3_NCR5380.c +++ b/drivers/scsi/sun3_NCR5380.c @@ -2022,7 +2022,7 @@ static void NCR5380_information_transfer (struct Scsi_Host *instance) if((count > SUN3_DMA_MINSIZE) && (sun3_dma_setup_done != cmd)) { - if(blk_fs_request(cmd->request)) { + if (cmd->request->cmd_type == REQ_TYPE_FS) { sun3scsi_dma_setup(d, count, rq_data_dir(cmd->request)); sun3_dma_setup_done = cmd; diff --git a/drivers/scsi/sun3_scsi.c b/drivers/scsi/sun3_scsi.c index e606cf0..613f588 100644 --- a/drivers/scsi/sun3_scsi.c +++ b/drivers/scsi/sun3_scsi.c @@ -524,7 +524,7 @@ static inline unsigned long sun3scsi_dma_xfer_len(unsigned long wanted, struct scsi_cmnd *cmd, int write_flag) { - if(blk_fs_request(cmd->request)) + if (cmd->request->cmd_type == REQ_TYPE_FS) return wanted; else return 0; diff --git a/drivers/scsi/sun3_scsi_vme.c b/drivers/scsi/sun3_scsi_vme.c index aaa4fd0..7c526b8 100644 --- a/drivers/scsi/sun3_scsi_vme.c +++ b/drivers/scsi/sun3_scsi_vme.c @@ -458,7 +458,7 @@ static inline unsigned long sun3scsi_dma_xfer_len(unsigned long wanted, struct scsi_cmnd *cmd, int write_flag) { - if(blk_fs_request(cmd->request)) + if (cmd->request->cmd_type == REQ_TYPE_FS) return wanted; else return 0; diff --git a/drivers/serial/21285.c b/drivers/serial/21285.c index 8681f13..d89aa38 100644 --- a/drivers/serial/21285.c +++ b/drivers/serial/21285.c @@ -216,7 +216,7 @@ serial21285_set_termios(struct uart_port *port, struct ktermios *termios, struct ktermios *old) { unsigned long flags; - unsigned int baud, quot, h_lcr; + unsigned int baud, quot, h_lcr, b; /* * We don't support modem control lines. @@ -234,12 +234,8 @@ serial21285_set_termios(struct uart_port *port, struct ktermios *termios, */ baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16); quot = uart_get_divisor(port, baud); - - if (port->state && port->state->port.tty) { - struct tty_struct *tty = port->state->port.tty; - unsigned int b = port->uartclk / (16 * quot); - tty_encode_baud_rate(tty, b, b); - } + b = port->uartclk / (16 * quot); + tty_termios_encode_baud_rate(termios, b, b); switch (termios->c_cflag & CSIZE) { case CS5: diff --git a/drivers/serial/68328serial.c b/drivers/serial/68328serial.c index 3046386..7356a56 100644 --- a/drivers/serial/68328serial.c +++ b/drivers/serial/68328serial.c @@ -78,10 +78,6 @@ struct m68k_serial *m68k_consinfo = 0; #define M68K_CLOCK (16667000) /* FIXME: 16MHz is likely wrong */ -#ifdef CONFIG_CONSOLE -extern wait_queue_head_t keypress_wait; -#endif - struct tty_driver *serial_driver; /* number of characters left in xmit buffer before we ask for more */ @@ -102,19 +98,13 @@ static void change_speed(struct m68k_serial *info); * Setup for console. Argument comes from the boot command line. */ -#if defined(CONFIG_M68EZ328ADS) || defined(CONFIG_ALMA_ANS) || defined(CONFIG_DRAGONIXVZ) -#define CONSOLE_BAUD_RATE 115200 -#define DEFAULT_CBAUD B115200 -#else - /* (es) */ - /* note: this is messy, but it works, again, perhaps defined somewhere else?*/ - #ifdef CONFIG_M68VZ328 - #define CONSOLE_BAUD_RATE 19200 - #define DEFAULT_CBAUD B19200 - #endif - /* (/es) */ +/* note: this is messy, but it works, again, perhaps defined somewhere else?*/ +#ifdef CONFIG_M68VZ328 +#define CONSOLE_BAUD_RATE 19200 +#define DEFAULT_CBAUD B19200 #endif + #ifndef CONSOLE_BAUD_RATE #define CONSOLE_BAUD_RATE 9600 #define DEFAULT_CBAUD B9600 @@ -300,10 +290,6 @@ static void receive_chars(struct m68k_serial *info, unsigned short rx) return; #endif /* CONFIG_MAGIC_SYSRQ */ } - /* It is a 'keyboard interrupt' ;-) */ -#ifdef CONFIG_CONSOLE - wake_up(&keypress_wait); -#endif } if(!tty) @@ -1243,7 +1229,9 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, retval = -ERESTARTSYS; break; } + tty_unlock(); schedule(); + tty_lock(); } current->state = TASK_RUNNING; remove_wait_queue(&info->open_wait, &wait); diff --git a/drivers/serial/68360serial.c b/drivers/serial/68360serial.c index 768612f..0dff3bb 100644 --- a/drivers/serial/68360serial.c +++ b/drivers/serial/68360serial.c @@ -1705,7 +1705,6 @@ static void rs_360_wait_until_sent(struct tty_struct *tty, int timeout) printk("jiff=%lu...", jiffies); #endif - lock_kernel(); /* We go through the loop at least once because we can't tell * exactly when the last character exits the shifter. There can * be at least two characters waiting to be sent after the buffers @@ -1734,7 +1733,6 @@ static void rs_360_wait_until_sent(struct tty_struct *tty, int timeout) bdp--; } while (bdp->status & BD_SC_READY); current->state = TASK_RUNNING; - unlock_kernel(); #ifdef SERIAL_DEBUG_RS_WAIT_UNTIL_SENT printk("lsr = %d (jiff=%lu)...done\n", lsr, jiffies); #endif @@ -1862,7 +1860,9 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, printk("block_til_ready blocking: ttys%d, count = %d\n", info->line, state->count); #endif + tty_unlock(); schedule(); + tty_lock(); } current->state = TASK_RUNNING; remove_wait_queue(&info->open_wait, &wait); diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index 09ef570..24110f6 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -241,7 +241,7 @@ static const struct serial8250_config uart_config[] = { .fifo_size = 128, .tx_loadsz = 128, .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10, - .flags = UART_CAP_FIFO, + .flags = UART_CAP_FIFO | UART_CAP_EFR | UART_CAP_SLEEP, }, [PORT_16654] = { .name = "ST16654", @@ -300,6 +300,13 @@ static const struct serial8250_config uart_config[] = { .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_00, .flags = UART_CAP_FIFO | UART_CAP_AFE, }, + [PORT_U6_16550A] = { + .name = "U6_16550A", + .fifo_size = 64, + .tx_loadsz = 64, + .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10, + .flags = UART_CAP_FIFO | UART_CAP_AFE, + }, }; #if defined(CONFIG_MIPS_ALCHEMY) @@ -1070,6 +1077,15 @@ static void autoconfig_16550a(struct uart_8250_port *up) DEBUG_AUTOCONF("Couldn't force IER_UUE to 0 "); } serial_outp(up, UART_IER, iersave); + + /* + * We distinguish between 16550A and U6 16550A by counting + * how many bytes are in the FIFO. + */ + if (up->port.type == PORT_16550A && size_fifo(up) == 64) { + up->port.type = PORT_U6_16550A; + up->capabilities |= UART_CAP_AFE; + } } /* @@ -2224,9 +2240,9 @@ static unsigned int serial8250_get_divisor(struct uart_port *port, unsigned int return quot; } -static void -serial8250_set_termios(struct uart_port *port, struct ktermios *termios, - struct ktermios *old) +void +serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios, + struct ktermios *old) { struct uart_8250_port *up = (struct uart_8250_port *)port; unsigned char cval, fcr = 0; @@ -2402,16 +2418,22 @@ serial8250_set_termios(struct uart_port *port, struct ktermios *termios, if (tty_termios_baud_rate(termios)) tty_termios_encode_baud_rate(termios, baud, baud); } +EXPORT_SYMBOL(serial8250_do_set_termios); static void -serial8250_set_ldisc(struct uart_port *port) +serial8250_set_termios(struct uart_port *port, struct ktermios *termios, + struct ktermios *old) { - int line = port->line; - - if (line >= port->state->port.tty->driver->num) - return; + if (port->set_termios) + port->set_termios(port, termios, old); + else + serial8250_do_set_termios(port, termios, old); +} - if (port->state->port.tty->ldisc->ops->num == N_PPS) { +static void +serial8250_set_ldisc(struct uart_port *port, int new) +{ + if (new == N_PPS) { port->flags |= UPF_HARDPPS_CD; serial8250_enable_ms(port); } else @@ -2987,6 +3009,7 @@ static int __devinit serial8250_probe(struct platform_device *dev) port.type = p->type; port.serial_in = p->serial_in; port.serial_out = p->serial_out; + port.set_termios = p->set_termios; port.dev = &dev->dev; port.irqflags |= irqflag; ret = serial8250_register_port(&port); @@ -3150,6 +3173,9 @@ int serial8250_register_port(struct uart_port *port) uart->port.serial_in = port->serial_in; if (port->serial_out) uart->port.serial_out = port->serial_out; + /* Possibly override set_termios call */ + if (port->set_termios) + uart->port.set_termios = port->set_termios; ret = uart_add_one_port(&serial8250_reg, &uart->port); if (ret == 0) diff --git a/drivers/serial/8250_early.c b/drivers/serial/8250_early.c index f279745..b745792 100644 --- a/drivers/serial/8250_early.c +++ b/drivers/serial/8250_early.c @@ -19,9 +19,11 @@ * The user can specify the device directly, e.g., * earlycon=uart8250,io,0x3f8,9600n8 * earlycon=uart8250,mmio,0xff5e0000,115200n8 + * earlycon=uart8250,mmio32,0xff5e0000,115200n8 * or * console=uart8250,io,0x3f8,9600n8 * console=uart8250,mmio,0xff5e0000,115200n8 + * console=uart8250,mmio32,0xff5e0000,115200n8 */ #include <linux/tty.h> @@ -48,18 +50,31 @@ static struct early_serial8250_device early_device; static unsigned int __init serial_in(struct uart_port *port, int offset) { - if (port->iotype == UPIO_MEM) + switch (port->iotype) { + case UPIO_MEM: return readb(port->membase + offset); - else + case UPIO_MEM32: + return readl(port->membase + (offset << 2)); + case UPIO_PORT: return inb(port->iobase + offset); + default: + return 0; + } } static void __init serial_out(struct uart_port *port, int offset, int value) { - if (port->iotype == UPIO_MEM) + switch (port->iotype) { + case UPIO_MEM: writeb(value, port->membase + offset); - else + break; + case UPIO_MEM32: + writel(value, port->membase + (offset << 2)); + break; + case UPIO_PORT: outb(value, port->iobase + offset); + break; + } } #define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE) @@ -137,15 +152,21 @@ static int __init parse_options(struct early_serial8250_device *device, char *options) { struct uart_port *port = &device->port; - int mmio, length; + int mmio, mmio32, length; if (!options) return -ENODEV; port->uartclk = BASE_BAUD * 16; - if (!strncmp(options, "mmio,", 5)) { - port->iotype = UPIO_MEM; - port->mapbase = simple_strtoul(options + 5, &options, 0); + + mmio = !strncmp(options, "mmio,", 5); + mmio32 = !strncmp(options, "mmio32,", 7); + if (mmio || mmio32) { + port->iotype = (mmio ? UPIO_MEM : UPIO_MEM32); + port->mapbase = simple_strtoul(options + (mmio ? 5 : 7), + &options, 0); + if (mmio32) + port->regshift = 2; #ifdef CONFIG_FIX_EARLYCON_MEM set_fixmap_nocache(FIX_EARLYCON_MEM_BASE, port->mapbase & PAGE_MASK); @@ -157,11 +178,10 @@ static int __init parse_options(struct early_serial8250_device *device, if (!port->membase) { printk(KERN_ERR "%s: Couldn't ioremap 0x%llx\n", __func__, - (unsigned long long)port->mapbase); + (unsigned long long) port->mapbase); return -ENOMEM; } #endif - mmio = 1; } else if (!strncmp(options, "io,", 3)) { port->iotype = UPIO_PORT; port->iobase = simple_strtoul(options + 3, &options, 0); @@ -181,11 +201,18 @@ static int __init parse_options(struct early_serial8250_device *device, device->baud); } - printk(KERN_INFO "Early serial console at %s 0x%llx (options '%s')\n", - mmio ? "MMIO" : "I/O port", - mmio ? (unsigned long long) port->mapbase - : (unsigned long long) port->iobase, - device->options); + if (mmio || mmio32) + printk(KERN_INFO + "Early serial console at MMIO%s 0x%llu (options '%s')\n", + mmio32 ? "32" : "", + (unsigned long long)port->mapbase, + device->options); + else + printk(KERN_INFO + "Early serial console at I/O port 0x%lu (options '%s')\n", + port->iobase, + device->options); + return 0; } diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c index 746a446..53be4d3 100644 --- a/drivers/serial/8250_pci.c +++ b/drivers/serial/8250_pci.c @@ -994,6 +994,7 @@ static int skip_tx_en_setup(struct serial_private *priv, #define PCI_DEVICE_ID_TITAN_800E 0xA014 #define PCI_DEVICE_ID_TITAN_200EI 0xA016 #define PCI_DEVICE_ID_TITAN_200EISI 0xA017 +#define PCI_DEVICE_ID_OXSEMI_16PCI958 0x9538 /* Unknown vendors/cards - this should not be in linux/pci_ids.h */ #define PCI_SUBDEVICE_ID_UNKNOWN_0x1584 0x1584 @@ -1542,6 +1543,8 @@ enum pci_board_num_t { pbn_b2_4_921600, pbn_b2_8_921600, + pbn_b2_8_1152000, + pbn_b2_bt_1_115200, pbn_b2_bt_2_115200, pbn_b2_bt_4_115200, @@ -1960,6 +1963,13 @@ static struct pciserial_board pci_boards[] __devinitdata = { .uart_offset = 8, }, + [pbn_b2_8_1152000] = { + .flags = FL_BASE2, + .num_ports = 8, + .base_baud = 1152000, + .uart_offset = 8, + }, + [pbn_b2_bt_1_115200] = { .flags = FL_BASE2|FL_BASE_BARS, .num_ports = 1, @@ -2875,6 +2885,9 @@ static struct pci_device_id serial_pci_tbl[] = { { PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_16PCI952, PCI_ANY_ID, PCI_ANY_ID, 0, 0, pbn_b0_bt_2_921600 }, + { PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_16PCI958, + PCI_ANY_ID , PCI_ANY_ID, 0, 0, + pbn_b2_8_1152000 }, /* * Oxford Semiconductor Inc. Tornado PCI express device range. diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index e437ce8..a22e60c 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -542,6 +542,7 @@ config SERIAL_S5PV210 help Serial port support for Samsung's S5P Family of SoC's + config SERIAL_MAX3100 tristate "MAX3100 support" depends on SPI @@ -549,6 +550,22 @@ config SERIAL_MAX3100 help MAX3100 chip support +config SERIAL_MAX3107 + tristate "MAX3107 support" + depends on SPI + select SERIAL_CORE + help + MAX3107 chip support + +config SERIAL_MAX3107_AAVA + tristate "MAX3107 AAVA platform support" + depends on X86_MRST && SERIAL_MAX3107 && GPIOLIB + select SERIAL_CORE + help + Support for the MAX3107 chip configuration found on the AAVA + platform. Includes the extra initialisation and GPIO support + neded for this device. + config SERIAL_DZ bool "DECstation DZ serial driver" depends on MACH_DECSTATION && 32BIT @@ -690,6 +707,33 @@ config SERIAL_SA1100_CONSOLE your boot loader (lilo or loadlin) about how to pass options to the kernel at boot time.) +config SERIAL_MRST_MAX3110 + tristate "SPI UART driver for Max3110" + depends on SPI_DW_PCI + select SERIAL_CORE + select SERIAL_CORE_CONSOLE + help + This is the UART protocol driver for the MAX3110 device on + the Intel Moorestown platform. On other systems use the max3100 + driver. + +config MRST_MAX3110_IRQ + boolean "Enable GPIO IRQ for Max3110 over Moorestown" + default n + depends on SERIAL_MRST_MAX3110 && GPIO_LANGWELL + help + This has to be enabled after Moorestown GPIO driver is loaded + +config SERIAL_MFD_HSU + tristate "Medfield High Speed UART support" + depends on PCI + select SERIAL_CORE + +config SERIAL_MFD_HSU_CONSOLE + boolean "Medfile HSU serial console support" + depends on SERIAL_MFD_HSU=y + select SERIAL_CORE_CONSOLE + config SERIAL_BFIN tristate "Blackfin serial port support" depends on BLACKFIN diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile index 208a855..1ca4fd5 100644 --- a/drivers/serial/Makefile +++ b/drivers/serial/Makefile @@ -46,6 +46,8 @@ obj-$(CONFIG_SERIAL_S3C24A0) += s3c24a0.o obj-$(CONFIG_SERIAL_S3C6400) += s3c6400.o obj-$(CONFIG_SERIAL_S5PV210) += s5pv210.o obj-$(CONFIG_SERIAL_MAX3100) += max3100.o +obj-$(CONFIG_SERIAL_MAX3107) += max3107.o +obj-$(CONFIG_SERIAL_MAX3107_AAVA) += max3107-aava.o obj-$(CONFIG_SERIAL_IP22_ZILOG) += ip22zilog.o obj-$(CONFIG_SERIAL_MUX) += mux.o obj-$(CONFIG_SERIAL_68328) += 68328serial.o @@ -84,3 +86,5 @@ obj-$(CONFIG_SERIAL_TIMBERDALE) += timbuart.o obj-$(CONFIG_SERIAL_GRLIB_GAISLER_APBUART) += apbuart.o obj-$(CONFIG_SERIAL_ALTERA_JTAGUART) += altera_jtaguart.o obj-$(CONFIG_SERIAL_ALTERA_UART) += altera_uart.o +obj-$(CONFIG_SERIAL_MRST_MAX3110) += mrst_max3110.o +obj-$(CONFIG_SERIAL_MFD_HSU) += mfd.o diff --git a/drivers/serial/altera_uart.c b/drivers/serial/altera_uart.c index 0f11896..f8d8a00 100644 --- a/drivers/serial/altera_uart.c +++ b/drivers/serial/altera_uart.c @@ -394,7 +394,7 @@ int __init early_altera_uart_setup(struct altera_uart_platform_uart *platp) static void altera_uart_console_putc(struct uart_port *port, const char c) { while (!(readl(port->membase + ALTERA_UART_STATUS_REG) & - ALTERA_UART_STATUS_TRDY_MSK)) + ALTERA_UART_STATUS_TRDY_MSK)) cpu_relax(); writel(c, port->membase + ALTERA_UART_TXDATA_REG); diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c index a182def..3892666 100644 --- a/drivers/serial/atmel_serial.c +++ b/drivers/serial/atmel_serial.c @@ -217,7 +217,8 @@ void atmel_config_rs485(struct uart_port *port, struct serial_rs485 *rs485conf) if (rs485conf->flags & SER_RS485_ENABLED) { dev_dbg(port->dev, "Setting UART to RS485\n"); atmel_port->tx_done_mask = ATMEL_US_TXEMPTY; - UART_PUT_TTGR(port, rs485conf->delay_rts_before_send); + if (rs485conf->flags & SER_RS485_RTS_AFTER_SEND) + UART_PUT_TTGR(port, rs485conf->delay_rts_after_send); mode |= ATMEL_US_USMODE_RS485; } else { dev_dbg(port->dev, "Setting UART to RS232\n"); @@ -292,7 +293,9 @@ static void atmel_set_mctrl(struct uart_port *port, u_int mctrl) if (atmel_port->rs485.flags & SER_RS485_ENABLED) { dev_dbg(port->dev, "Setting UART to RS485\n"); - UART_PUT_TTGR(port, atmel_port->rs485.delay_rts_before_send); + if (atmel_port->rs485.flags & SER_RS485_RTS_AFTER_SEND) + UART_PUT_TTGR(port, + atmel_port->rs485.delay_rts_after_send); mode |= ATMEL_US_USMODE_RS485; } else { dev_dbg(port->dev, "Setting UART to RS232\n"); @@ -1211,7 +1214,9 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios *termios, if (atmel_port->rs485.flags & SER_RS485_ENABLED) { dev_dbg(port->dev, "Setting UART to RS485\n"); - UART_PUT_TTGR(port, atmel_port->rs485.delay_rts_before_send); + if (atmel_port->rs485.flags & SER_RS485_RTS_AFTER_SEND) + UART_PUT_TTGR(port, + atmel_port->rs485.delay_rts_after_send); mode |= ATMEL_US_USMODE_RS485; } else { dev_dbg(port->dev, "Setting UART to RS232\n"); diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index 511cbf6..a9eff2b 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -957,15 +957,12 @@ bfin_serial_verify_port(struct uart_port *port, struct serial_struct *ser) * Enable the IrDA function if tty->ldisc.num is N_IRDA. * In other cases, disable IrDA function. */ -static void bfin_serial_set_ldisc(struct uart_port *port) +static void bfin_serial_set_ldisc(struct uart_port *port, int ld) { int line = port->line; unsigned short val; - if (line >= port->state->port.tty->driver->num) - return; - - switch (port->state->port.tty->termios->c_line) { + switch (ld) { case N_IRDA: val = UART_GET_GCTL(&bfin_serial_ports[line]); val |= (IREN | RPOLC); diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c index 3062644..c856905 100644 --- a/drivers/serial/crisv10.c +++ b/drivers/serial/crisv10.c @@ -3935,7 +3935,6 @@ static void rs_wait_until_sent(struct tty_struct *tty, int timeout) * Check R_DMA_CHx_STATUS bit 0-6=number of available bytes in FIFO * R_DMA_CHx_HWSW bit 31-16=nbr of bytes left in DMA buffer (0=64k) */ - lock_kernel(); orig_jiffies = jiffies; while (info->xmit.head != info->xmit.tail || /* More in send queue */ (*info->ostatusadr & 0x007f) || /* more in FIFO */ @@ -3952,7 +3951,6 @@ static void rs_wait_until_sent(struct tty_struct *tty, int timeout) curr_time_usec - info->last_tx_active_usec; } set_current_state(TASK_RUNNING); - unlock_kernel(); } /* @@ -3992,7 +3990,7 @@ block_til_ready(struct tty_struct *tty, struct file * filp, */ if (tty_hung_up_p(filp) || (info->flags & ASYNC_CLOSING)) { - wait_event_interruptible(info->close_wait, + wait_event_interruptible_tty(info->close_wait, !(info->flags & ASYNC_CLOSING)); #ifdef SERIAL_DO_RESTART if (info->flags & ASYNC_HUP_NOTIFY) @@ -4068,7 +4066,9 @@ block_til_ready(struct tty_struct *tty, struct file * filp, printk("block_til_ready blocking: ttyS%d, count = %d\n", info->line, info->count); #endif + tty_unlock(); schedule(); + tty_lock(); } set_current_state(TASK_RUNNING); remove_wait_queue(&info->open_wait, &wait); @@ -4150,7 +4150,7 @@ rs_open(struct tty_struct *tty, struct file * filp) */ if (tty_hung_up_p(filp) || (info->flags & ASYNC_CLOSING)) { - wait_event_interruptible(info->close_wait, + wait_event_interruptible_tty(info->close_wait, !(info->flags & ASYNC_CLOSING)); #ifdef SERIAL_DO_RESTART return ((info->flags & ASYNC_HUP_NOTIFY) ? @@ -4533,8 +4533,8 @@ static int __init rs_init(void) INIT_WORK(&info->work, do_softint); if (info->enabled) { - printk(KERN_INFO "%s%d at 0x%x is a builtin UART with DMA\n", - serial_driver->name, info->line, (unsigned int)info->ioport); + printk(KERN_INFO "%s%d at %p is a builtin UART with DMA\n", + serial_driver->name, info->line, info->ioport); } } #ifdef CONFIG_ETRAX_FAST_TIMER diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c index eacb588..66ecc7a 100644 --- a/drivers/serial/imx.c +++ b/drivers/serial/imx.c @@ -909,13 +909,11 @@ imx_set_termios(struct uart_port *port, struct ktermios *termios, rational_best_approximation(16 * div * baud, sport->port.uartclk, 1 << 16, 1 << 16, &num, &denom); - if (port->state && port->state->port.tty) { - tdiv64 = sport->port.uartclk; - tdiv64 *= num; - do_div(tdiv64, denom * 16 * div); - tty_encode_baud_rate(sport->port.state->port.tty, + tdiv64 = sport->port.uartclk; + tdiv64 *= num; + do_div(tdiv64, denom * 16 * div); + tty_termios_encode_baud_rate(termios, (speed_t)tdiv64, (speed_t)tdiv64); - } num -= 1; denom -= 1; diff --git a/drivers/serial/ioc3_serial.c b/drivers/serial/ioc3_serial.c index f164ba4..93de907 100644 --- a/drivers/serial/ioc3_serial.c +++ b/drivers/serial/ioc3_serial.c @@ -954,12 +954,13 @@ ioc3_change_speed(struct uart_port *the_port, struct ktermios *new_termios, struct ktermios *old_termios) { struct ioc3_port *port = get_ioc3_port(the_port); - unsigned int cflag; + unsigned int cflag, iflag; int baud; int new_parity = 0, new_parity_enable = 0, new_stop = 0, new_data = 8; struct uart_state *state = the_port->state; cflag = new_termios->c_cflag; + iflag = new_termios->c_iflag; switch (cflag & CSIZE) { case CS5: @@ -1000,12 +1001,12 @@ ioc3_change_speed(struct uart_port *the_port, state->port.tty->low_latency = 1; - if (I_IGNPAR(state->port.tty)) + if (iflag & IGNPAR) the_port->ignore_status_mask &= ~(N_PARITY_ERROR | N_FRAMING_ERROR); - if (I_IGNBRK(state->port.tty)) { + if (iflag & IGNBRK) { the_port->ignore_status_mask &= ~N_BREAK; - if (I_IGNPAR(state->port.tty)) + if (iflag & IGNPAR) the_port->ignore_status_mask &= ~N_OVERRUN_ERROR; } if (!(cflag & CREAD)) { diff --git a/drivers/serial/ioc4_serial.c b/drivers/serial/ioc4_serial.c index 8ad28fc..fcfe826 100644 --- a/drivers/serial/ioc4_serial.c +++ b/drivers/serial/ioc4_serial.c @@ -1685,11 +1685,12 @@ ioc4_change_speed(struct uart_port *the_port, { struct ioc4_port *port = get_ioc4_port(the_port, 0); int baud, bits; - unsigned cflag; + unsigned cflag, iflag; int new_parity = 0, new_parity_enable = 0, new_stop = 0, new_data = 8; struct uart_state *state = the_port->state; cflag = new_termios->c_cflag; + iflag = new_termios->c_iflag; switch (cflag & CSIZE) { case CS5: @@ -1741,12 +1742,12 @@ ioc4_change_speed(struct uart_port *the_port, state->port.tty->low_latency = 1; - if (I_IGNPAR(state->port.tty)) + if (iflag & IGNPAR) the_port->ignore_status_mask &= ~(N_PARITY_ERROR | N_FRAMING_ERROR); - if (I_IGNBRK(state->port.tty)) { + if (iflag & IGNBRK) { the_port->ignore_status_mask &= ~N_BREAK; - if (I_IGNPAR(state->port.tty)) + if (iflag & IGNPAR) the_port->ignore_status_mask &= ~N_OVERRUN_ERROR; } if (!(cflag & CREAD)) { diff --git a/drivers/serial/max3100.c b/drivers/serial/max3100.c index 3351c3b..beb1afa 100644 --- a/drivers/serial/max3100.c +++ b/drivers/serial/max3100.c @@ -430,17 +430,14 @@ max3100_set_termios(struct uart_port *port, struct ktermios *termios, int baud = 0; unsigned cflag; u32 param_new, param_mask, parity = 0; - struct tty_struct *tty = s->port.state->port.tty; dev_dbg(&s->spi->dev, "%s\n", __func__); - if (!tty) - return; cflag = termios->c_cflag; param_new = 0; param_mask = 0; - baud = tty_get_baud_rate(tty); + baud = tty_termios_baud_rate(termios); param_new = s->conf & MAX3100_BAUD; switch (baud) { case 300: @@ -485,7 +482,7 @@ max3100_set_termios(struct uart_port *port, struct ktermios *termios, default: baud = s->baud; } - tty_encode_baud_rate(tty, baud, baud); + tty_termios_encode_baud_rate(termios, baud, baud); s->baud = baud; param_mask |= MAX3100_BAUD; diff --git a/drivers/serial/max3107-aava.c b/drivers/serial/max3107-aava.c new file mode 100644 index 0000000..a1fe304 --- /dev/null +++ b/drivers/serial/max3107-aava.c @@ -0,0 +1,344 @@ +/* + * max3107.c - spi uart protocol driver for Maxim 3107 + * Based on max3100.c + * by Christian Pellegrin <chripell@evolware.org> + * and max3110.c + * by Feng Tang <feng.tang@intel.com> + * + * Copyright (C) Aavamobile 2009 + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + */ + +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/serial_core.h> +#include <linux/serial.h> +#include <linux/spi/spi.h> +#include <linux/freezer.h> +#include <linux/platform_device.h> +#include <linux/gpio.h> +#include <linux/sfi.h> +#include <asm/mrst.h> +#include "max3107.h" + +/* GPIO direction to input function */ +static int max3107_gpio_direction_in(struct gpio_chip *chip, unsigned offset) +{ + struct max3107_port *s = container_of(chip, struct max3107_port, chip); + u16 buf[1]; /* Buffer for SPI transfer */ + + if (offset >= MAX3107_GPIO_COUNT) { + dev_err(&s->spi->dev, "Invalid GPIO\n"); + return -EINVAL; + } + + /* Read current GPIO configuration register */ + buf[0] = MAX3107_GPIOCFG_REG; + /* Perform SPI transfer */ + if (max3107_rw(s, (u8 *)buf, (u8 *)buf, 2)) { + dev_err(&s->spi->dev, "SPI transfer GPIO read failed\n"); + return -EIO; + } + buf[0] &= MAX3107_SPI_RX_DATA_MASK; + + /* Set GPIO to input */ + buf[0] &= ~(0x0001 << offset); + + /* Write new GPIO configuration register value */ + buf[0] |= (MAX3107_WRITE_BIT | MAX3107_GPIOCFG_REG); + /* Perform SPI transfer */ + if (max3107_rw(s, (u8 *)buf, NULL, 2)) { + dev_err(&s->spi->dev, "SPI transfer GPIO write failed\n"); + return -EIO; + } + return 0; +} + +/* GPIO direction to output function */ +static int max3107_gpio_direction_out(struct gpio_chip *chip, unsigned offset, + int value) +{ + struct max3107_port *s = container_of(chip, struct max3107_port, chip); + u16 buf[2]; /* Buffer for SPI transfers */ + + if (offset >= MAX3107_GPIO_COUNT) { + dev_err(&s->spi->dev, "Invalid GPIO\n"); + return -EINVAL; + } + + /* Read current GPIO configuration and data registers */ + buf[0] = MAX3107_GPIOCFG_REG; + buf[1] = MAX3107_GPIODATA_REG; + /* Perform SPI transfer */ + if (max3107_rw(s, (u8 *)buf, (u8 *)buf, 4)) { + dev_err(&s->spi->dev, "SPI transfer gpio failed\n"); + return -EIO; + } + buf[0] &= MAX3107_SPI_RX_DATA_MASK; + buf[1] &= MAX3107_SPI_RX_DATA_MASK; + + /* Set GPIO to output */ + buf[0] |= (0x0001 << offset); + /* Set value */ + if (value) + buf[1] |= (0x0001 << offset); + else + buf[1] &= ~(0x0001 << offset); + + /* Write new GPIO configuration and data register values */ + buf[0] |= (MAX3107_WRITE_BIT | MAX3107_GPIOCFG_REG); + buf[1] |= (MAX3107_WRITE_BIT | MAX3107_GPIODATA_REG); + /* Perform SPI transfer */ + if (max3107_rw(s, (u8 *)buf, NULL, 4)) { + dev_err(&s->spi->dev, + "SPI transfer for GPIO conf data w failed\n"); + return -EIO; + } + return 0; +} + +/* GPIO value query function */ +static int max3107_gpio_get(struct gpio_chip *chip, unsigned offset) +{ + struct max3107_port *s = container_of(chip, struct max3107_port, chip); + u16 buf[1]; /* Buffer for SPI transfer */ + + if (offset >= MAX3107_GPIO_COUNT) { + dev_err(&s->spi->dev, "Invalid GPIO\n"); + return -EINVAL; + } + + /* Read current GPIO data register */ + buf[0] = MAX3107_GPIODATA_REG; + /* Perform SPI transfer */ + if (max3107_rw(s, (u8 *)buf, (u8 *)buf, 2)) { + dev_err(&s->spi->dev, "SPI transfer GPIO data r failed\n"); + return -EIO; + } + buf[0] &= MAX3107_SPI_RX_DATA_MASK; + + /* Return value */ + return buf[0] & (0x0001 << offset); +} + +/* GPIO value set function */ +static void max3107_gpio_set(struct gpio_chip *chip, unsigned offset, int value) +{ + struct max3107_port *s = container_of(chip, struct max3107_port, chip); + u16 buf[2]; /* Buffer for SPI transfers */ + + if (offset >= MAX3107_GPIO_COUNT) { + dev_err(&s->spi->dev, "Invalid GPIO\n"); + return; + } + + /* Read current GPIO configuration registers*/ + buf[0] = MAX3107_GPIODATA_REG; + buf[1] = MAX3107_GPIOCFG_REG; + /* Perform SPI transfer */ + if (max3107_rw(s, (u8 *)buf, (u8 *)buf, 4)) { + dev_err(&s->spi->dev, + "SPI transfer for GPIO data and config read failed\n"); + return; + } + buf[0] &= MAX3107_SPI_RX_DATA_MASK; + buf[1] &= MAX3107_SPI_RX_DATA_MASK; + + if (!(buf[1] & (0x0001 << offset))) { + /* Configured as input, can't set value */ + dev_warn(&s->spi->dev, + "Trying to set value for input GPIO\n"); + return; + } + + /* Set value */ + if (value) + buf[0] |= (0x0001 << offset); + else + buf[0] &= ~(0x0001 << offset); + + /* Write new GPIO data register value */ + buf[0] |= (MAX3107_WRITE_BIT | MAX3107_GPIODATA_REG); + /* Perform SPI transfer */ + if (max3107_rw(s, (u8 *)buf, NULL, 2)) + dev_err(&s->spi->dev, "SPI transfer GPIO data w failed\n"); +} + +/* GPIO chip data */ +static struct gpio_chip max3107_gpio_chip = { + .owner = THIS_MODULE, + .direction_input = max3107_gpio_direction_in, + .direction_output = max3107_gpio_direction_out, + .get = max3107_gpio_get, + .set = max3107_gpio_set, + .can_sleep = 1, + .base = MAX3107_GPIO_BASE, + .ngpio = MAX3107_GPIO_COUNT, +}; + +/** + * max3107_aava_reset - reset on AAVA systems + * @spi: The SPI device we are probing + * + * Reset the device ready for probing. + */ + +static int max3107_aava_reset(struct spi_device *spi) +{ + /* Reset the chip */ + if (gpio_request(MAX3107_RESET_GPIO, "max3107")) { + pr_err("Requesting RESET GPIO failed\n"); + return -EIO; + } + if (gpio_direction_output(MAX3107_RESET_GPIO, 0)) { + pr_err("Setting RESET GPIO to 0 failed\n"); + gpio_free(MAX3107_RESET_GPIO); + return -EIO; + } + msleep(MAX3107_RESET_DELAY); + if (gpio_direction_output(MAX3107_RESET_GPIO, 1)) { + pr_err("Setting RESET GPIO to 1 failed\n"); + gpio_free(MAX3107_RESET_GPIO); + return -EIO; + } + gpio_free(MAX3107_RESET_GPIO); + msleep(MAX3107_WAKEUP_DELAY); + return 0; +} + +static int max3107_aava_configure(struct max3107_port *s) +{ + int retval; + + /* Initialize GPIO chip data */ + s->chip = max3107_gpio_chip; + s->chip.label = s->spi->modalias; + s->chip.dev = &s->spi->dev; + + /* Add GPIO chip */ + retval = gpiochip_add(&s->chip); + if (retval) { + dev_err(&s->spi->dev, "Adding GPIO chip failed\n"); + return retval; + } + + /* Temporary fix for EV2 boot problems, set modem reset to 0 */ + max3107_gpio_direction_out(&s->chip, 3, 0); + return 0; +} + +#if 0 +/* This will get enabled once we have the board stuff merged for this + specific case */ + +static const struct baud_table brg13_ext[] = { + { 300, MAX3107_BRG13_B300 }, + { 600, MAX3107_BRG13_B600 }, + { 1200, MAX3107_BRG13_B1200 }, + { 2400, MAX3107_BRG13_B2400 }, + { 4800, MAX3107_BRG13_B4800 }, + { 9600, MAX3107_BRG13_B9600 }, + { 19200, MAX3107_BRG13_B19200 }, + { 57600, MAX3107_BRG13_B57600 }, + { 115200, MAX3107_BRG13_B115200 }, + { 230400, MAX3107_BRG13_B230400 }, + { 460800, MAX3107_BRG13_B460800 }, + { 921600, MAX3107_BRG13_B921600 }, + { 0, 0 } +}; + +static void max3107_aava_init(struct max3107_port *s) +{ + /*override for AAVA SC specific*/ + if (mrst_platform_id() == MRST_PLATFORM_AAVA_SC) { + if (get_koski_build_id() <= KOSKI_EV2) + if (s->ext_clk) { + s->brg_cfg = MAX3107_BRG13_B9600; + s->baud_tbl = (struct baud_table *)brg13_ext; + } + } +} +#endif + +static int __devexit max3107_aava_remove(struct spi_device *spi) +{ + struct max3107_port *s = dev_get_drvdata(&spi->dev); + + /* Remove GPIO chip */ + if (gpiochip_remove(&s->chip)) + dev_warn(&spi->dev, "Removing GPIO chip failed\n"); + + /* Then do the default remove */ + return max3107_remove(spi); +} + +/* Platform data */ +static struct max3107_plat aava_plat_data = { + .loopback = 0, + .ext_clk = 1, +/* .init = max3107_aava_init, */ + .configure = max3107_aava_configure, + .hw_suspend = max3107_hw_susp, + .polled_mode = 0, + .poll_time = 0, +}; + + +static int __devinit max3107_probe_aava(struct spi_device *spi) +{ + int err = max3107_aava_reset(spi); + if (err < 0) + return err; + return max3107_probe(spi, &aava_plat_data); +} + +/* Spi driver data */ +static struct spi_driver max3107_driver = { + .driver = { + .name = "aava-max3107", + .bus = &spi_bus_type, + .owner = THIS_MODULE, + }, + .probe = max3107_probe_aava, + .remove = __devexit_p(max3107_aava_remove), + .suspend = max3107_suspend, + .resume = max3107_resume, +}; + +/* Driver init function */ +static int __init max3107_init(void) +{ + return spi_register_driver(&max3107_driver); +} + +/* Driver exit function */ +static void __exit max3107_exit(void) +{ + spi_unregister_driver(&max3107_driver); +} + +module_init(max3107_init); +module_exit(max3107_exit); + +MODULE_DESCRIPTION("MAX3107 driver"); +MODULE_AUTHOR("Aavamobile"); +MODULE_ALIAS("aava-max3107-spi"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/serial/max3107.c b/drivers/serial/max3107.c new file mode 100644 index 0000000..67283c1 --- /dev/null +++ b/drivers/serial/max3107.c @@ -0,0 +1,1197 @@ +/* + * max3107.c - spi uart protocol driver for Maxim 3107 + * Based on max3100.c + * by Christian Pellegrin <chripell@evolware.org> + * and max3110.c + * by Feng Tang <feng.tang@intel.com> + * + * Copyright (C) Aavamobile 2009 + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + */ + +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/serial_core.h> +#include <linux/serial.h> +#include <linux/gpio.h> +#include <linux/spi/spi.h> +#include <linux/freezer.h> +#include "max3107.h" + +static const struct baud_table brg26_ext[] = { + { 300, MAX3107_BRG26_B300 }, + { 600, MAX3107_BRG26_B600 }, + { 1200, MAX3107_BRG26_B1200 }, + { 2400, MAX3107_BRG26_B2400 }, + { 4800, MAX3107_BRG26_B4800 }, + { 9600, MAX3107_BRG26_B9600 }, + { 19200, MAX3107_BRG26_B19200 }, + { 57600, MAX3107_BRG26_B57600 }, + { 115200, MAX3107_BRG26_B115200 }, + { 230400, MAX3107_BRG26_B230400 }, + { 460800, MAX3107_BRG26_B460800 }, + { 921600, MAX3107_BRG26_B921600 }, + { 0, 0 } +}; + +static const struct baud_table brg13_int[] = { + { 300, MAX3107_BRG13_IB300 }, + { 600, MAX3107_BRG13_IB600 }, + { 1200, MAX3107_BRG13_IB1200 }, + { 2400, MAX3107_BRG13_IB2400 }, + { 4800, MAX3107_BRG13_IB4800 }, + { 9600, MAX3107_BRG13_IB9600 }, + { 19200, MAX3107_BRG13_IB19200 }, + { 57600, MAX3107_BRG13_IB57600 }, + { 115200, MAX3107_BRG13_IB115200 }, + { 230400, MAX3107_BRG13_IB230400 }, + { 460800, MAX3107_BRG13_IB460800 }, + { 921600, MAX3107_BRG13_IB921600 }, + { 0, 0 } +}; + +static u32 get_new_brg(int baud, struct max3107_port *s) +{ + int i; + const struct baud_table *baud_tbl = s->baud_tbl; + + for (i = 0; i < 13; i++) { + if (baud == baud_tbl[i].baud) + return baud_tbl[i].new_brg; + } + + return 0; +} + +/* Perform SPI transfer for write/read of device register(s) */ +int max3107_rw(struct max3107_port *s, u8 *tx, u8 *rx, int len) +{ + struct spi_message spi_msg; + struct spi_transfer spi_xfer; + + /* Initialize SPI ,message */ + spi_message_init(&spi_msg); + + /* Initialize SPI transfer */ + memset(&spi_xfer, 0, sizeof spi_xfer); + spi_xfer.len = len; + spi_xfer.tx_buf = tx; + spi_xfer.rx_buf = rx; + spi_xfer.speed_hz = MAX3107_SPI_SPEED; + + /* Add SPI transfer to SPI message */ + spi_message_add_tail(&spi_xfer, &spi_msg); + +#ifdef DBG_TRACE_SPI_DATA + { + int i; + pr_info("tx len %d:\n", spi_xfer.len); + for (i = 0 ; i < spi_xfer.len && i < 32 ; i++) + pr_info(" %x", ((u8 *)spi_xfer.tx_buf)[i]); + pr_info("\n"); + } +#endif + + /* Perform synchronous SPI transfer */ + if (spi_sync(s->spi, &spi_msg)) { + dev_err(&s->spi->dev, "spi_sync failure\n"); + return -EIO; + } + +#ifdef DBG_TRACE_SPI_DATA + if (spi_xfer.rx_buf) { + int i; + pr_info("rx len %d:\n", spi_xfer.len); + for (i = 0 ; i < spi_xfer.len && i < 32 ; i++) + pr_info(" %x", ((u8 *)spi_xfer.rx_buf)[i]); + pr_info("\n"); + } +#endif + return 0; +} +EXPORT_SYMBOL_GPL(max3107_rw); + +/* Puts received data to circular buffer */ +static void put_data_to_circ_buf(struct max3107_port *s, unsigned char *data, + int len) +{ + struct uart_port *port = &s->port; + struct tty_struct *tty; + + if (!port->state) + return; + + tty = port->state->port.tty; + if (!tty) + return; + + /* Insert received data */ + tty_insert_flip_string(tty, data, len); + /* Update RX counter */ + port->icount.rx += len; +} + +/* Handle data receiving */ +static void max3107_handlerx(struct max3107_port *s, u16 rxlvl) +{ + int i; + int j; + int len; /* SPI transfer buffer length */ + u16 *buf; + u8 *valid_str; + + if (!s->rx_enabled) + /* RX is disabled */ + return; + + if (rxlvl == 0) { + /* RX fifo is empty */ + return; + } else if (rxlvl >= MAX3107_RX_FIFO_SIZE) { + dev_warn(&s->spi->dev, "Possible RX FIFO overrun %d\n", rxlvl); + /* Ensure sanity of RX level */ + rxlvl = MAX3107_RX_FIFO_SIZE; + } + if ((s->rxbuf == 0) || (s->rxstr == 0)) { + dev_warn(&s->spi->dev, "Rx buffer/str isn't ready\n"); + return; + } + buf = s->rxbuf; + valid_str = s->rxstr; + while (rxlvl) { + pr_debug("rxlvl %d\n", rxlvl); + /* Clear buffer */ + memset(buf, 0, sizeof(u16) * (MAX3107_RX_FIFO_SIZE + 2)); + len = 0; + if (s->irqen_reg & MAX3107_IRQ_RXFIFO_BIT) { + /* First disable RX FIFO interrupt */ + pr_debug("Disabling RX INT\n"); + buf[0] = (MAX3107_WRITE_BIT | MAX3107_IRQEN_REG); + s->irqen_reg &= ~MAX3107_IRQ_RXFIFO_BIT; + buf[0] |= s->irqen_reg; + len++; + } + /* Just increase the length by amount of words in FIFO since + * buffer was zeroed and SPI transfer of 0x0000 means reading + * from RX FIFO + */ + len += rxlvl; + /* Append RX level query */ + buf[len] = MAX3107_RXFIFOLVL_REG; + len++; + + /* Perform the SPI transfer */ + if (max3107_rw(s, (u8 *)buf, (u8 *)buf, len * 2)) { + dev_err(&s->spi->dev, "SPI transfer for RX h failed\n"); + return; + } + + /* Skip RX FIFO interrupt disabling word if it was added */ + j = ((len - 1) - rxlvl); + /* Read received words */ + for (i = 0; i < rxlvl; i++, j++) + valid_str[i] = (u8)buf[j]; + put_data_to_circ_buf(s, valid_str, rxlvl); + /* Get new RX level */ + rxlvl = (buf[len - 1] & MAX3107_SPI_RX_DATA_MASK); + } + + if (s->rx_enabled) { + /* RX still enabled, re-enable RX FIFO interrupt */ + pr_debug("Enabling RX INT\n"); + buf[0] = (MAX3107_WRITE_BIT | MAX3107_IRQEN_REG); + s->irqen_reg |= MAX3107_IRQ_RXFIFO_BIT; + buf[0] |= s->irqen_reg; + if (max3107_rw(s, (u8 *)buf, NULL, 2)) + dev_err(&s->spi->dev, "RX FIFO INT enabling failed\n"); + } + + /* Push the received data to receivers */ + if (s->port.state->port.tty) + tty_flip_buffer_push(s->port.state->port.tty); +} + + +/* Handle data sending */ +static void max3107_handletx(struct max3107_port *s) +{ + struct circ_buf *xmit = &s->port.state->xmit; + int i; + unsigned long flags; + int len; /* SPI transfer buffer length */ + u16 *buf; + + if (!s->tx_fifo_empty) + /* Don't send more data before previous data is sent */ + return; + + if (uart_circ_empty(xmit) || uart_tx_stopped(&s->port)) + /* No data to send or TX is stopped */ + return; + + if (!s->txbuf) { + dev_warn(&s->spi->dev, "Txbuf isn't ready\n"); + return; + } + buf = s->txbuf; + /* Get length of data pending in circular buffer */ + len = uart_circ_chars_pending(xmit); + if (len) { + /* Limit to size of TX FIFO */ + if (len > MAX3107_TX_FIFO_SIZE) + len = MAX3107_TX_FIFO_SIZE; + + pr_debug("txlen %d\n", len); + + /* Update TX counter */ + s->port.icount.tx += len; + + /* TX FIFO will no longer be empty */ + s->tx_fifo_empty = 0; + + i = 0; + if (s->irqen_reg & MAX3107_IRQ_TXEMPTY_BIT) { + /* First disable TX empty interrupt */ + pr_debug("Disabling TE INT\n"); + buf[i] = (MAX3107_WRITE_BIT | MAX3107_IRQEN_REG); + s->irqen_reg &= ~MAX3107_IRQ_TXEMPTY_BIT; + buf[i] |= s->irqen_reg; + i++; + len++; + } + /* Add data to send */ + spin_lock_irqsave(&s->port.lock, flags); + for ( ; i < len ; i++) { + buf[i] = (MAX3107_WRITE_BIT | MAX3107_THR_REG); + buf[i] |= ((u16)xmit->buf[xmit->tail] & + MAX3107_SPI_TX_DATA_MASK); + xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); + } + spin_unlock_irqrestore(&s->port.lock, flags); + if (!(s->irqen_reg & MAX3107_IRQ_TXEMPTY_BIT)) { + /* Enable TX empty interrupt */ + pr_debug("Enabling TE INT\n"); + buf[i] = (MAX3107_WRITE_BIT | MAX3107_IRQEN_REG); + s->irqen_reg |= MAX3107_IRQ_TXEMPTY_BIT; + buf[i] |= s->irqen_reg; + i++; + len++; + } + if (!s->tx_enabled) { + /* Enable TX */ + pr_debug("Enable TX\n"); + buf[i] = (MAX3107_WRITE_BIT | MAX3107_MODE1_REG); + spin_lock_irqsave(&s->data_lock, flags); + s->mode1_reg &= ~MAX3107_MODE1_TXDIS_BIT; + buf[i] |= s->mode1_reg; + spin_unlock_irqrestore(&s->data_lock, flags); + s->tx_enabled = 1; + i++; + len++; + } + + /* Perform the SPI transfer */ + if (max3107_rw(s, (u8 *)buf, NULL, len*2)) { + dev_err(&s->spi->dev, + "SPI transfer TX handling failed\n"); + return; + } + } + + /* Indicate wake up if circular buffer is getting low on data */ + if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) + uart_write_wakeup(&s->port); + +} + +/* Handle interrupts + * Also reads and returns current RX FIFO level + */ +static u16 handle_interrupt(struct max3107_port *s) +{ + u16 buf[4]; /* Buffer for SPI transfers */ + u8 irq_status; + u16 rx_level; + unsigned long flags; + + /* Read IRQ status register */ + buf[0] = MAX3107_IRQSTS_REG; + /* Read status IRQ status register */ + buf[1] = MAX3107_STS_IRQSTS_REG; + /* Read LSR IRQ status register */ + buf[2] = MAX3107_LSR_IRQSTS_REG; + /* Query RX level */ + buf[3] = MAX3107_RXFIFOLVL_REG; + + if (max3107_rw(s, (u8 *)buf, (u8 *)buf, 8)) { + dev_err(&s->spi->dev, + "SPI transfer for INTR handling failed\n"); + return 0; + } + + irq_status = (u8)buf[0]; + pr_debug("IRQSTS %x\n", irq_status); + rx_level = (buf[3] & MAX3107_SPI_RX_DATA_MASK); + + if (irq_status & MAX3107_IRQ_LSR_BIT) { + /* LSR interrupt */ + if (buf[2] & MAX3107_LSR_RXTO_BIT) + /* RX timeout interrupt, + * handled by normal RX handling + */ + pr_debug("RX TO INT\n"); + } + + if (irq_status & MAX3107_IRQ_TXEMPTY_BIT) { + /* Tx empty interrupt, + * disable TX and set tx_fifo_empty flag + */ + pr_debug("TE INT, disabling TX\n"); + buf[0] = (MAX3107_WRITE_BIT | MAX3107_MODE1_REG); + spin_lock_irqsave(&s->data_lock, flags); + s->mode1_reg |= MAX3107_MODE1_TXDIS_BIT; + buf[0] |= s->mode1_reg; + spin_unlock_irqrestore(&s->data_lock, flags); + if (max3107_rw(s, (u8 *)buf, NULL, 2)) + dev_err(&s->spi->dev, "SPI transfer TX dis failed\n"); + s->tx_enabled = 0; + s->tx_fifo_empty = 1; + } + + if (irq_status & MAX3107_IRQ_RXFIFO_BIT) + /* RX FIFO interrupt, + * handled by normal RX handling + */ + pr_debug("RFIFO INT\n"); + + /* Return RX level */ + return rx_level; +} + +/* Trigger work thread*/ +static void max3107_dowork(struct max3107_port *s) +{ + if (!work_pending(&s->work) && !freezing(current) && !s->suspended) + queue_work(s->workqueue, &s->work); + else + dev_warn(&s->spi->dev, "interrup isn't serviced normally!\n"); +} + +/* Work thread */ +static void max3107_work(struct work_struct *w) +{ + struct max3107_port *s = container_of(w, struct max3107_port, work); + u16 rxlvl = 0; + int len; /* SPI transfer buffer length */ + u16 buf[5]; /* Buffer for SPI transfers */ + unsigned long flags; + + /* Start by reading current RX FIFO level */ + buf[0] = MAX3107_RXFIFOLVL_REG; + if (max3107_rw(s, (u8 *)buf, (u8 *)buf, 2)) { + dev_err(&s->spi->dev, "SPI transfer RX lev failed\n"); + rxlvl = 0; + } else { + rxlvl = (buf[0] & MAX3107_SPI_RX_DATA_MASK); + } + + do { + pr_debug("rxlvl %d\n", rxlvl); + + /* Handle RX */ + max3107_handlerx(s, rxlvl); + rxlvl = 0; + + if (s->handle_irq) { + /* Handle pending interrupts + * We also get new RX FIFO level since new data may + * have been received while pushing received data to + * receivers + */ + s->handle_irq = 0; + rxlvl = handle_interrupt(s); + } + + /* Handle TX */ + max3107_handletx(s); + + /* Handle configuration changes */ + len = 0; + spin_lock_irqsave(&s->data_lock, flags); + if (s->mode1_commit) { + pr_debug("mode1_commit\n"); + buf[len] = (MAX3107_WRITE_BIT | MAX3107_MODE1_REG); + buf[len++] |= s->mode1_reg; + s->mode1_commit = 0; + } + if (s->lcr_commit) { + pr_debug("lcr_commit\n"); + buf[len] = (MAX3107_WRITE_BIT | MAX3107_LCR_REG); + buf[len++] |= s->lcr_reg; + s->lcr_commit = 0; + } + if (s->brg_commit) { + pr_debug("brg_commit\n"); + buf[len] = (MAX3107_WRITE_BIT | MAX3107_BRGDIVMSB_REG); + buf[len++] |= ((s->brg_cfg >> 16) & + MAX3107_SPI_TX_DATA_MASK); + buf[len] = (MAX3107_WRITE_BIT | MAX3107_BRGDIVLSB_REG); + buf[len++] |= ((s->brg_cfg >> 8) & + MAX3107_SPI_TX_DATA_MASK); + buf[len] = (MAX3107_WRITE_BIT | MAX3107_BRGCFG_REG); + buf[len++] |= ((s->brg_cfg) & 0xff); + s->brg_commit = 0; + } + spin_unlock_irqrestore(&s->data_lock, flags); + + if (len > 0) { + if (max3107_rw(s, (u8 *)buf, NULL, len * 2)) + dev_err(&s->spi->dev, + "SPI transfer config failed\n"); + } + + /* Reloop if interrupt handling indicated data in RX FIFO */ + } while (rxlvl); + +} + +/* Set sleep mode */ +static void max3107_set_sleep(struct max3107_port *s, int mode) +{ + u16 buf[1]; /* Buffer for SPI transfer */ + unsigned long flags; + pr_debug("enter, mode %d\n", mode); + + buf[0] = (MAX3107_WRITE_BIT | MAX3107_MODE1_REG); + spin_lock_irqsave(&s->data_lock, flags); + switch (mode) { + case MAX3107_DISABLE_FORCED_SLEEP: + s->mode1_reg &= ~MAX3107_MODE1_FORCESLEEP_BIT; + break; + case MAX3107_ENABLE_FORCED_SLEEP: + s->mode1_reg |= MAX3107_MODE1_FORCESLEEP_BIT; + break; + case MAX3107_DISABLE_AUTOSLEEP: + s->mode1_reg &= ~MAX3107_MODE1_AUTOSLEEP_BIT; + break; + case MAX3107_ENABLE_AUTOSLEEP: + s->mode1_reg |= MAX3107_MODE1_AUTOSLEEP_BIT; + break; + default: + spin_unlock_irqrestore(&s->data_lock, flags); + dev_warn(&s->spi->dev, "invalid sleep mode\n"); + return; + } + buf[0] |= s->mode1_reg; + spin_unlock_irqrestore(&s->data_lock, flags); + + if (max3107_rw(s, (u8 *)buf, NULL, 2)) + dev_err(&s->spi->dev, "SPI transfer sleep mode failed\n"); + + if (mode == MAX3107_DISABLE_AUTOSLEEP || + mode == MAX3107_DISABLE_FORCED_SLEEP) + msleep(MAX3107_WAKEUP_DELAY); +} + +/* Perform full register initialization */ +static void max3107_register_init(struct max3107_port *s) +{ + u16 buf[11]; /* Buffer for SPI transfers */ + + /* 1. Configure baud rate, 9600 as default */ + s->baud = 9600; + /* the below is default*/ + if (s->ext_clk) { + s->brg_cfg = MAX3107_BRG26_B9600; + s->baud_tbl = (struct baud_table *)brg26_ext; + } else { + s->brg_cfg = MAX3107_BRG13_IB9600; + s->baud_tbl = (struct baud_table *)brg13_int; + } + + if (s->pdata->init) + s->pdata->init(s); + + buf[0] = (MAX3107_WRITE_BIT | MAX3107_BRGDIVMSB_REG) + | ((s->brg_cfg >> 16) & MAX3107_SPI_TX_DATA_MASK); + buf[1] = (MAX3107_WRITE_BIT | MAX3107_BRGDIVLSB_REG) + | ((s->brg_cfg >> 8) & MAX3107_SPI_TX_DATA_MASK); + buf[2] = (MAX3107_WRITE_BIT | MAX3107_BRGCFG_REG) + | ((s->brg_cfg) & 0xff); + + /* 2. Configure LCR register, 8N1 mode by default */ + s->lcr_reg = MAX3107_LCR_WORD_LEN_8; + buf[3] = (MAX3107_WRITE_BIT | MAX3107_LCR_REG) + | s->lcr_reg; + + /* 3. Configure MODE 1 register */ + s->mode1_reg = 0; + /* Enable IRQ pin */ + s->mode1_reg |= MAX3107_MODE1_IRQSEL_BIT; + /* Disable TX */ + s->mode1_reg |= MAX3107_MODE1_TXDIS_BIT; + s->tx_enabled = 0; + /* RX is enabled */ + s->rx_enabled = 1; + buf[4] = (MAX3107_WRITE_BIT | MAX3107_MODE1_REG) + | s->mode1_reg; + + /* 4. Configure MODE 2 register */ + buf[5] = (MAX3107_WRITE_BIT | MAX3107_MODE2_REG); + if (s->loopback) { + /* Enable loopback */ + buf[5] |= MAX3107_MODE2_LOOPBACK_BIT; + } + /* Reset FIFOs */ + buf[5] |= MAX3107_MODE2_FIFORST_BIT; + s->tx_fifo_empty = 1; + + /* 5. Configure FIFO trigger level register */ + buf[6] = (MAX3107_WRITE_BIT | MAX3107_FIFOTRIGLVL_REG); + /* RX FIFO trigger for 16 words, TX FIFO trigger not used */ + buf[6] |= (MAX3107_FIFOTRIGLVL_RX(16) | MAX3107_FIFOTRIGLVL_TX(0)); + + /* 6. Configure flow control levels */ + buf[7] = (MAX3107_WRITE_BIT | MAX3107_FLOWLVL_REG); + /* Flow control halt level 96, resume level 48 */ + buf[7] |= (MAX3107_FLOWLVL_RES(48) | MAX3107_FLOWLVL_HALT(96)); + + /* 7. Configure flow control */ + buf[8] = (MAX3107_WRITE_BIT | MAX3107_FLOWCTRL_REG); + /* Enable auto CTS and auto RTS flow control */ + buf[8] |= (MAX3107_FLOWCTRL_AUTOCTS_BIT | MAX3107_FLOWCTRL_AUTORTS_BIT); + + /* 8. Configure RX timeout register */ + buf[9] = (MAX3107_WRITE_BIT | MAX3107_RXTO_REG); + /* Timeout after 48 character intervals */ + buf[9] |= 0x0030; + + /* 9. Configure LSR interrupt enable register */ + buf[10] = (MAX3107_WRITE_BIT | MAX3107_LSR_IRQEN_REG); + /* Enable RX timeout interrupt */ + buf[10] |= MAX3107_LSR_RXTO_BIT; + + /* Perform SPI transfer */ + if (max3107_rw(s, (u8 *)buf, NULL, 22)) + dev_err(&s->spi->dev, "SPI transfer for init failed\n"); + + /* 10. Clear IRQ status register by reading it */ + buf[0] = MAX3107_IRQSTS_REG; + + /* 11. Configure interrupt enable register */ + /* Enable LSR interrupt */ + s->irqen_reg = MAX3107_IRQ_LSR_BIT; + /* Enable RX FIFO interrupt */ + s->irqen_reg |= MAX3107_IRQ_RXFIFO_BIT; + buf[1] = (MAX3107_WRITE_BIT | MAX3107_IRQEN_REG) + | s->irqen_reg; + + /* 12. Clear FIFO reset that was set in step 6 */ + buf[2] = (MAX3107_WRITE_BIT | MAX3107_MODE2_REG); + if (s->loopback) { + /* Keep loopback enabled */ + buf[2] |= MAX3107_MODE2_LOOPBACK_BIT; + } + + /* Perform SPI transfer */ + if (max3107_rw(s, (u8 *)buf, (u8 *)buf, 6)) + dev_err(&s->spi->dev, "SPI transfer for init failed\n"); + +} + +/* IRQ handler */ +static irqreturn_t max3107_irq(int irqno, void *dev_id) +{ + struct max3107_port *s = dev_id; + + if (irqno != s->spi->irq) { + /* Unexpected IRQ */ + return IRQ_NONE; + } + + /* Indicate irq */ + s->handle_irq = 1; + + /* Trigger work thread */ + max3107_dowork(s); + + return IRQ_HANDLED; +} + +/* HW suspension function + * + * Currently autosleep is used to decrease current consumption, alternative + * approach would be to set the chip to reset mode if UART is not being + * used but that would mess the GPIOs + * + */ +void max3107_hw_susp(struct max3107_port *s, int suspend) +{ + pr_debug("enter, suspend %d\n", suspend); + + if (suspend) { + /* Suspend requested, + * enable autosleep to decrease current consumption + */ + s->suspended = 1; + max3107_set_sleep(s, MAX3107_ENABLE_AUTOSLEEP); + } else { + /* Resume requested, + * disable autosleep + */ + s->suspended = 0; + max3107_set_sleep(s, MAX3107_DISABLE_AUTOSLEEP); + } +} +EXPORT_SYMBOL_GPL(max3107_hw_susp); + +/* Modem status IRQ enabling */ +static void max3107_enable_ms(struct uart_port *port) +{ + /* Modem status not supported */ +} + +/* Data send function */ +static void max3107_start_tx(struct uart_port *port) +{ + struct max3107_port *s = container_of(port, struct max3107_port, port); + + /* Trigger work thread for sending data */ + max3107_dowork(s); +} + +/* Function for checking that there is no pending transfers */ +static unsigned int max3107_tx_empty(struct uart_port *port) +{ + struct max3107_port *s = container_of(port, struct max3107_port, port); + + pr_debug("returning %d\n", + (s->tx_fifo_empty && uart_circ_empty(&s->port.state->xmit))); + return s->tx_fifo_empty && uart_circ_empty(&s->port.state->xmit); +} + +/* Function for stopping RX */ +static void max3107_stop_rx(struct uart_port *port) +{ + struct max3107_port *s = container_of(port, struct max3107_port, port); + unsigned long flags; + + /* Set RX disabled in MODE 1 register */ + spin_lock_irqsave(&s->data_lock, flags); + s->mode1_reg |= MAX3107_MODE1_RXDIS_BIT; + s->mode1_commit = 1; + spin_unlock_irqrestore(&s->data_lock, flags); + /* Set RX disabled */ + s->rx_enabled = 0; + /* Trigger work thread for doing the actual configuration change */ + max3107_dowork(s); +} + +/* Function for returning control pin states */ +static unsigned int max3107_get_mctrl(struct uart_port *port) +{ + /* DCD and DSR are not wired and CTS/RTS is handled automatically + * so just indicate DSR and CAR asserted + */ + return TIOCM_DSR | TIOCM_CAR; +} + +/* Function for setting control pin states */ +static void max3107_set_mctrl(struct uart_port *port, unsigned int mctrl) +{ + /* DCD and DSR are not wired and CTS/RTS is hadnled automatically + * so do nothing + */ +} + +/* Function for configuring UART parameters */ +static void max3107_set_termios(struct uart_port *port, + struct ktermios *termios, + struct ktermios *old) +{ + struct max3107_port *s = container_of(port, struct max3107_port, port); + struct tty_struct *tty; + int baud; + u16 new_lcr = 0; + u32 new_brg = 0; + unsigned long flags; + + if (!port->state) + return; + + tty = port->state->port.tty; + if (!tty) + return; + + /* Get new LCR register values */ + /* Word size */ + if ((termios->c_cflag & CSIZE) == CS7) + new_lcr |= MAX3107_LCR_WORD_LEN_7; + else + new_lcr |= MAX3107_LCR_WORD_LEN_8; + + /* Parity */ + if (termios->c_cflag & PARENB) { + new_lcr |= MAX3107_LCR_PARITY_BIT; + if (!(termios->c_cflag & PARODD)) + new_lcr |= MAX3107_LCR_EVENPARITY_BIT; + } + + /* Stop bits */ + if (termios->c_cflag & CSTOPB) { + /* 2 stop bits */ + new_lcr |= MAX3107_LCR_STOPLEN_BIT; + } + + /* Mask termios capabilities we don't support */ + termios->c_cflag &= ~CMSPAR; + + /* Set status ignore mask */ + s->port.ignore_status_mask = 0; + if (termios->c_iflag & IGNPAR) + s->port.ignore_status_mask |= MAX3107_ALL_ERRORS; + + /* Set low latency to immediately handle pushed data */ + s->port.state->port.tty->low_latency = 1; + + /* Get new baud rate generator configuration */ + baud = tty_get_baud_rate(tty); + + spin_lock_irqsave(&s->data_lock, flags); + new_brg = get_new_brg(baud, s); + /* if can't find the corrent config, use previous */ + if (!new_brg) { + baud = s->baud; + new_brg = s->brg_cfg; + } + spin_unlock_irqrestore(&s->data_lock, flags); + tty_termios_encode_baud_rate(termios, baud, baud); + s->baud = baud; + + /* Update timeout according to new baud rate */ + uart_update_timeout(port, termios->c_cflag, baud); + + spin_lock_irqsave(&s->data_lock, flags); + if (s->lcr_reg != new_lcr) { + s->lcr_reg = new_lcr; + s->lcr_commit = 1; + } + if (s->brg_cfg != new_brg) { + s->brg_cfg = new_brg; + s->brg_commit = 1; + } + spin_unlock_irqrestore(&s->data_lock, flags); + + /* Trigger work thread for doing the actual configuration change */ + max3107_dowork(s); +} + +/* Port shutdown function */ +static void max3107_shutdown(struct uart_port *port) +{ + struct max3107_port *s = container_of(port, struct max3107_port, port); + + if (s->suspended && s->pdata->hw_suspend) + s->pdata->hw_suspend(s, 0); + + /* Free the interrupt */ + free_irq(s->spi->irq, s); + + if (s->workqueue) { + /* Flush and destroy work queue */ + flush_workqueue(s->workqueue); + destroy_workqueue(s->workqueue); + s->workqueue = NULL; + } + + /* Suspend HW */ + if (s->pdata->hw_suspend) + s->pdata->hw_suspend(s, 1); +} + +/* Port startup function */ +static int max3107_startup(struct uart_port *port) +{ + struct max3107_port *s = container_of(port, struct max3107_port, port); + + /* Initialize work queue */ + s->workqueue = create_freezeable_workqueue("max3107"); + if (!s->workqueue) { + dev_err(&s->spi->dev, "Workqueue creation failed\n"); + return -EBUSY; + } + INIT_WORK(&s->work, max3107_work); + + /* Setup IRQ */ + if (request_irq(s->spi->irq, max3107_irq, IRQF_TRIGGER_FALLING, + "max3107", s)) { + dev_err(&s->spi->dev, "IRQ reguest failed\n"); + destroy_workqueue(s->workqueue); + s->workqueue = NULL; + return -EBUSY; + } + + /* Resume HW */ + if (s->pdata->hw_suspend) + s->pdata->hw_suspend(s, 0); + + /* Init registers */ + max3107_register_init(s); + + return 0; +} + +/* Port type function */ +static const char *max3107_type(struct uart_port *port) +{ + struct max3107_port *s = container_of(port, struct max3107_port, port); + return s->spi->modalias; +} + +/* Port release function */ +static void max3107_release_port(struct uart_port *port) +{ + /* Do nothing */ +} + +/* Port request function */ +static int max3107_request_port(struct uart_port *port) +{ + /* Do nothing */ + return 0; +} + +/* Port config function */ +static void max3107_config_port(struct uart_port *port, int flags) +{ + struct max3107_port *s = container_of(port, struct max3107_port, port); + s->port.type = PORT_MAX3107; +} + +/* Port verify function */ +static int max3107_verify_port(struct uart_port *port, + struct serial_struct *ser) +{ + if (ser->type == PORT_UNKNOWN || ser->type == PORT_MAX3107) + return 0; + + return -EINVAL; +} + +/* Port stop TX function */ +static void max3107_stop_tx(struct uart_port *port) +{ + /* Do nothing */ +} + +/* Port break control function */ +static void max3107_break_ctl(struct uart_port *port, int break_state) +{ + /* We don't support break control, do nothing */ +} + + +/* Port functions */ +static struct uart_ops max3107_ops = { + .tx_empty = max3107_tx_empty, + .set_mctrl = max3107_set_mctrl, + .get_mctrl = max3107_get_mctrl, + .stop_tx = max3107_stop_tx, + .start_tx = max3107_start_tx, + .stop_rx = max3107_stop_rx, + .enable_ms = max3107_enable_ms, + .break_ctl = max3107_break_ctl, + .startup = max3107_startup, + .shutdown = max3107_shutdown, + .set_termios = max3107_set_termios, + .type = max3107_type, + .release_port = max3107_release_port, + .request_port = max3107_request_port, + .config_port = max3107_config_port, + .verify_port = max3107_verify_port, +}; + +/* UART driver data */ +static struct uart_driver max3107_uart_driver = { + .owner = THIS_MODULE, + .driver_name = "ttyMAX", + .dev_name = "ttyMAX", + .nr = 1, +}; + +static int driver_registered = 0; + + + +/* 'Generic' platform data */ +static struct max3107_plat generic_plat_data = { + .loopback = 0, + .ext_clk = 1, + .hw_suspend = max3107_hw_susp, + .polled_mode = 0, + .poll_time = 0, +}; + + +/*******************************************************************/ + +/** + * max3107_probe - SPI bus probe entry point + * @spi: the spi device + * + * SPI wants us to probe this device and if appropriate claim it. + * Perform any platform specific requirements and then initialise + * the device. + */ + +int max3107_probe(struct spi_device *spi, struct max3107_plat *pdata) +{ + struct max3107_port *s; + u16 buf[2]; /* Buffer for SPI transfers */ + int retval; + + pr_info("enter max3107 probe\n"); + + /* Allocate port structure */ + s = kzalloc(sizeof(*s), GFP_KERNEL); + if (!s) { + pr_err("Allocating port structure failed\n"); + return -ENOMEM; + } + + s->pdata = pdata; + + /* SPI Rx buffer + * +2 for RX FIFO interrupt + * disabling and RX level query + */ + s->rxbuf = kzalloc(sizeof(u16) * (MAX3107_RX_FIFO_SIZE+2), GFP_KERNEL); + if (!s->rxbuf) { + pr_err("Allocating RX buffer failed\n"); + return -ENOMEM; + } + s->rxstr = kzalloc(sizeof(u8) * MAX3107_RX_FIFO_SIZE, GFP_KERNEL); + if (!s->rxstr) { + pr_err("Allocating RX buffer failed\n"); + return -ENOMEM; + } + /* SPI Tx buffer + * SPI transfer buffer + * +3 for TX FIFO empty + * interrupt disabling and + * enabling and TX enabling + */ + s->txbuf = kzalloc(sizeof(u16) * MAX3107_TX_FIFO_SIZE + 3, GFP_KERNEL); + if (!s->txbuf) { + pr_err("Allocating TX buffer failed\n"); + return -ENOMEM; + } + /* Initialize shared data lock */ + spin_lock_init(&s->data_lock); + + /* SPI intializations */ + dev_set_drvdata(&spi->dev, s); + spi->mode = SPI_MODE_0; + spi->dev.platform_data = pdata; + spi->bits_per_word = 16; + s->ext_clk = pdata->ext_clk; + s->loopback = pdata->loopback; + spi_setup(spi); + s->spi = spi; + + /* Check REV ID to ensure we are talking to what we expect */ + buf[0] = MAX3107_REVID_REG; + if (max3107_rw(s, (u8 *)buf, (u8 *)buf, 2)) { + dev_err(&s->spi->dev, "SPI transfer for REVID read failed\n"); + return -EIO; + } + if ((buf[0] & MAX3107_SPI_RX_DATA_MASK) != MAX3107_REVID1 && + (buf[0] & MAX3107_SPI_RX_DATA_MASK) != MAX3107_REVID2) { + dev_err(&s->spi->dev, "REVID %x does not match\n", + (buf[0] & MAX3107_SPI_RX_DATA_MASK)); + return -ENODEV; + } + + /* Disable all interrupts */ + buf[0] = (MAX3107_WRITE_BIT | MAX3107_IRQEN_REG | 0x0000); + buf[0] |= 0x0000; + + /* Configure clock source */ + buf[1] = (MAX3107_WRITE_BIT | MAX3107_CLKSRC_REG); + if (s->ext_clk) { + /* External clock */ + buf[1] |= MAX3107_CLKSRC_EXTCLK_BIT; + } + + /* PLL bypass ON */ + buf[1] |= MAX3107_CLKSRC_PLLBYP_BIT; + + /* Perform SPI transfer */ + if (max3107_rw(s, (u8 *)buf, NULL, 4)) { + dev_err(&s->spi->dev, "SPI transfer for init failed\n"); + return -EIO; + } + + /* Register UART driver */ + if (!driver_registered) { + retval = uart_register_driver(&max3107_uart_driver); + if (retval) { + dev_err(&s->spi->dev, "Registering UART driver failed\n"); + return retval; + } + driver_registered = 1; + } + + /* Initialize UART port data */ + s->port.fifosize = 128; + s->port.ops = &max3107_ops; + s->port.line = 0; + s->port.dev = &spi->dev; + s->port.uartclk = 9600; + s->port.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF; + s->port.irq = s->spi->irq; + s->port.type = PORT_MAX3107; + + /* Add UART port */ + retval = uart_add_one_port(&max3107_uart_driver, &s->port); + if (retval < 0) { + dev_err(&s->spi->dev, "Adding UART port failed\n"); + return retval; + } + + if (pdata->configure) { + retval = pdata->configure(s); + if (retval < 0) + return retval; + } + + /* Go to suspend mode */ + if (pdata->hw_suspend) + pdata->hw_suspend(s, 1); + + return 0; +} +EXPORT_SYMBOL_GPL(max3107_probe); + +/* Driver remove function */ +int max3107_remove(struct spi_device *spi) +{ + struct max3107_port *s = dev_get_drvdata(&spi->dev); + + pr_info("enter max3107 remove\n"); + + /* Remove port */ + if (uart_remove_one_port(&max3107_uart_driver, &s->port)) + dev_warn(&s->spi->dev, "Removing UART port failed\n"); + + + /* Free TxRx buffer */ + kfree(s->rxbuf); + kfree(s->rxstr); + kfree(s->txbuf); + + /* Free port structure */ + kfree(s); + + return 0; +} +EXPORT_SYMBOL_GPL(max3107_remove); + +/* Driver suspend function */ +int max3107_suspend(struct spi_device *spi, pm_message_t state) +{ +#ifdef CONFIG_PM + struct max3107_port *s = dev_get_drvdata(&spi->dev); + + pr_debug("enter suspend\n"); + + /* Suspend UART port */ + uart_suspend_port(&max3107_uart_driver, &s->port); + + /* Go to suspend mode */ + if (s->pdata->hw_suspend) + s->pdata->hw_suspend(s, 1); +#endif /* CONFIG_PM */ + return 0; +} +EXPORT_SYMBOL_GPL(max3107_suspend); + +/* Driver resume function */ +int max3107_resume(struct spi_device *spi) +{ +#ifdef CONFIG_PM + struct max3107_port *s = dev_get_drvdata(&spi->dev); + + pr_debug("enter resume\n"); + + /* Resume from suspend */ + if (s->pdata->hw_suspend) + s->pdata->hw_suspend(s, 0); + + /* Resume UART port */ + uart_resume_port(&max3107_uart_driver, &s->port); +#endif /* CONFIG_PM */ + return 0; +} +EXPORT_SYMBOL_GPL(max3107_resume); + +static int max3107_probe_generic(struct spi_device *spi) +{ + return max3107_probe(spi, &generic_plat_data); +} + +/* Spi driver data */ +static struct spi_driver max3107_driver = { + .driver = { + .name = "max3107", + .bus = &spi_bus_type, + .owner = THIS_MODULE, + }, + .probe = max3107_probe_generic, + .remove = __devexit_p(max3107_remove), + .suspend = max3107_suspend, + .resume = max3107_resume, +}; + +/* Driver init function */ +static int __init max3107_init(void) +{ + pr_info("enter max3107 init\n"); + return spi_register_driver(&max3107_driver); +} + +/* Driver exit function */ +static void __exit max3107_exit(void) +{ + pr_info("enter max3107 exit\n"); + /* Unregister UART driver */ + if (driver_registered) + uart_unregister_driver(&max3107_uart_driver); + spi_unregister_driver(&max3107_driver); +} + +module_init(max3107_init); +module_exit(max3107_exit); + +MODULE_DESCRIPTION("MAX3107 driver"); +MODULE_AUTHOR("Aavamobile"); +MODULE_ALIAS("max3107-spi"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/serial/max3107.h b/drivers/serial/max3107.h new file mode 100644 index 0000000..7ab63239 --- /dev/null +++ b/drivers/serial/max3107.h @@ -0,0 +1,441 @@ +/* + * max3107.h - spi uart protocol driver header for Maxim 3107 + * + * Copyright (C) Aavamobile 2009 + * Based on serial_max3100.h by Christian Pellegrin + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef _MAX3107_H +#define _MAX3107_H + +/* Serial error status definitions */ +#define MAX3107_PARITY_ERROR 1 +#define MAX3107_FRAME_ERROR 2 +#define MAX3107_OVERRUN_ERROR 4 +#define MAX3107_ALL_ERRORS (MAX3107_PARITY_ERROR | \ + MAX3107_FRAME_ERROR | \ + MAX3107_OVERRUN_ERROR) + +/* GPIO definitions */ +#define MAX3107_GPIO_BASE 88 +#define MAX3107_GPIO_COUNT 4 + + +/* GPIO connected to chip's reset pin */ +#define MAX3107_RESET_GPIO 87 + + +/* Chip reset delay */ +#define MAX3107_RESET_DELAY 10 + +/* Chip wakeup delay */ +#define MAX3107_WAKEUP_DELAY 50 + + +/* Sleep mode definitions */ +#define MAX3107_DISABLE_FORCED_SLEEP 0 +#define MAX3107_ENABLE_FORCED_SLEEP 1 +#define MAX3107_DISABLE_AUTOSLEEP 2 +#define MAX3107_ENABLE_AUTOSLEEP 3 + + +/* Definitions for register access with SPI transfers + * + * SPI transfer format: + * + * Master to slave bits xzzzzzzzyyyyyyyy + * Slave to master bits aaaaaaaabbbbbbbb + * + * where: + * x = 0 for reads, 1 for writes + * z = register address + * y = new register value if write, 0 if read + * a = unspecified + * b = register value if read, unspecified if write + */ + +/* SPI speed */ +#define MAX3107_SPI_SPEED (3125000 * 2) + +/* Write bit */ +#define MAX3107_WRITE_BIT (1 << 15) + +/* SPI TX data mask */ +#define MAX3107_SPI_RX_DATA_MASK (0x00ff) + +/* SPI RX data mask */ +#define MAX3107_SPI_TX_DATA_MASK (0x00ff) + +/* Register access masks */ +#define MAX3107_RHR_REG (0x0000) /* RX FIFO */ +#define MAX3107_THR_REG (0x0000) /* TX FIFO */ +#define MAX3107_IRQEN_REG (0x0100) /* IRQ enable */ +#define MAX3107_IRQSTS_REG (0x0200) /* IRQ status */ +#define MAX3107_LSR_IRQEN_REG (0x0300) /* LSR IRQ enable */ +#define MAX3107_LSR_IRQSTS_REG (0x0400) /* LSR IRQ status */ +#define MAX3107_SPCHR_IRQEN_REG (0x0500) /* Special char IRQ enable */ +#define MAX3107_SPCHR_IRQSTS_REG (0x0600) /* Special char IRQ status */ +#define MAX3107_STS_IRQEN_REG (0x0700) /* Status IRQ enable */ +#define MAX3107_STS_IRQSTS_REG (0x0800) /* Status IRQ status */ +#define MAX3107_MODE1_REG (0x0900) /* MODE1 */ +#define MAX3107_MODE2_REG (0x0a00) /* MODE2 */ +#define MAX3107_LCR_REG (0x0b00) /* LCR */ +#define MAX3107_RXTO_REG (0x0c00) /* RX timeout */ +#define MAX3107_HDPIXDELAY_REG (0x0d00) /* Auto transceiver delays */ +#define MAX3107_IRDA_REG (0x0e00) /* IRDA settings */ +#define MAX3107_FLOWLVL_REG (0x0f00) /* Flow control levels */ +#define MAX3107_FIFOTRIGLVL_REG (0x1000) /* FIFO IRQ trigger levels */ +#define MAX3107_TXFIFOLVL_REG (0x1100) /* TX FIFO level */ +#define MAX3107_RXFIFOLVL_REG (0x1200) /* RX FIFO level */ +#define MAX3107_FLOWCTRL_REG (0x1300) /* Flow control */ +#define MAX3107_XON1_REG (0x1400) /* XON1 character */ +#define MAX3107_XON2_REG (0x1500) /* XON2 character */ +#define MAX3107_XOFF1_REG (0x1600) /* XOFF1 character */ +#define MAX3107_XOFF2_REG (0x1700) /* XOFF2 character */ +#define MAX3107_GPIOCFG_REG (0x1800) /* GPIO config */ +#define MAX3107_GPIODATA_REG (0x1900) /* GPIO data */ +#define MAX3107_PLLCFG_REG (0x1a00) /* PLL config */ +#define MAX3107_BRGCFG_REG (0x1b00) /* Baud rate generator conf */ +#define MAX3107_BRGDIVLSB_REG (0x1c00) /* Baud rate divisor LSB */ +#define MAX3107_BRGDIVMSB_REG (0x1d00) /* Baud rate divisor MSB */ +#define MAX3107_CLKSRC_REG (0x1e00) /* Clock source */ +#define MAX3107_REVID_REG (0x1f00) /* Revision identification */ + +/* IRQ register bits */ +#define MAX3107_IRQ_LSR_BIT (1 << 0) /* LSR interrupt */ +#define MAX3107_IRQ_SPCHR_BIT (1 << 1) /* Special char interrupt */ +#define MAX3107_IRQ_STS_BIT (1 << 2) /* Status interrupt */ +#define MAX3107_IRQ_RXFIFO_BIT (1 << 3) /* RX FIFO interrupt */ +#define MAX3107_IRQ_TXFIFO_BIT (1 << 4) /* TX FIFO interrupt */ +#define MAX3107_IRQ_TXEMPTY_BIT (1 << 5) /* TX FIFO empty interrupt */ +#define MAX3107_IRQ_RXEMPTY_BIT (1 << 6) /* RX FIFO empty interrupt */ +#define MAX3107_IRQ_CTS_BIT (1 << 7) /* CTS interrupt */ + +/* LSR register bits */ +#define MAX3107_LSR_RXTO_BIT (1 << 0) /* RX timeout */ +#define MAX3107_LSR_RXOVR_BIT (1 << 1) /* RX overrun */ +#define MAX3107_LSR_RXPAR_BIT (1 << 2) /* RX parity error */ +#define MAX3107_LSR_FRERR_BIT (1 << 3) /* Frame error */ +#define MAX3107_LSR_RXBRK_BIT (1 << 4) /* RX break */ +#define MAX3107_LSR_RXNOISE_BIT (1 << 5) /* RX noise */ +#define MAX3107_LSR_UNDEF6_BIT (1 << 6) /* Undefined/not used */ +#define MAX3107_LSR_CTS_BIT (1 << 7) /* CTS pin state */ + +/* Special character register bits */ +#define MAX3107_SPCHR_XON1_BIT (1 << 0) /* XON1 character */ +#define MAX3107_SPCHR_XON2_BIT (1 << 1) /* XON2 character */ +#define MAX3107_SPCHR_XOFF1_BIT (1 << 2) /* XOFF1 character */ +#define MAX3107_SPCHR_XOFF2_BIT (1 << 3) /* XOFF2 character */ +#define MAX3107_SPCHR_BREAK_BIT (1 << 4) /* RX break */ +#define MAX3107_SPCHR_MULTIDROP_BIT (1 << 5) /* 9-bit multidrop addr char */ +#define MAX3107_SPCHR_UNDEF6_BIT (1 << 6) /* Undefined/not used */ +#define MAX3107_SPCHR_UNDEF7_BIT (1 << 7) /* Undefined/not used */ + +/* Status register bits */ +#define MAX3107_STS_GPIO0_BIT (1 << 0) /* GPIO 0 interrupt */ +#define MAX3107_STS_GPIO1_BIT (1 << 1) /* GPIO 1 interrupt */ +#define MAX3107_STS_GPIO2_BIT (1 << 2) /* GPIO 2 interrupt */ +#define MAX3107_STS_GPIO3_BIT (1 << 3) /* GPIO 3 interrupt */ +#define MAX3107_STS_UNDEF4_BIT (1 << 4) /* Undefined/not used */ +#define MAX3107_STS_CLKREADY_BIT (1 << 5) /* Clock ready */ +#define MAX3107_STS_SLEEP_BIT (1 << 6) /* Sleep interrupt */ +#define MAX3107_STS_UNDEF7_BIT (1 << 7) /* Undefined/not used */ + +/* MODE1 register bits */ +#define MAX3107_MODE1_RXDIS_BIT (1 << 0) /* RX disable */ +#define MAX3107_MODE1_TXDIS_BIT (1 << 1) /* TX disable */ +#define MAX3107_MODE1_TXHIZ_BIT (1 << 2) /* TX pin three-state */ +#define MAX3107_MODE1_RTSHIZ_BIT (1 << 3) /* RTS pin three-state */ +#define MAX3107_MODE1_TRNSCVCTRL_BIT (1 << 4) /* Transceiver ctrl enable */ +#define MAX3107_MODE1_FORCESLEEP_BIT (1 << 5) /* Force sleep mode */ +#define MAX3107_MODE1_AUTOSLEEP_BIT (1 << 6) /* Auto sleep enable */ +#define MAX3107_MODE1_IRQSEL_BIT (1 << 7) /* IRQ pin enable */ + +/* MODE2 register bits */ +#define MAX3107_MODE2_RST_BIT (1 << 0) /* Chip reset */ +#define MAX3107_MODE2_FIFORST_BIT (1 << 1) /* FIFO reset */ +#define MAX3107_MODE2_RXTRIGINV_BIT (1 << 2) /* RX FIFO INT invert */ +#define MAX3107_MODE2_RXEMPTINV_BIT (1 << 3) /* RX FIFO empty INT invert */ +#define MAX3107_MODE2_SPCHR_BIT (1 << 4) /* Special chr detect enable */ +#define MAX3107_MODE2_LOOPBACK_BIT (1 << 5) /* Internal loopback enable */ +#define MAX3107_MODE2_MULTIDROP_BIT (1 << 6) /* 9-bit multidrop enable */ +#define MAX3107_MODE2_ECHOSUPR_BIT (1 << 7) /* ECHO suppression enable */ + +/* LCR register bits */ +#define MAX3107_LCR_LENGTH0_BIT (1 << 0) /* Word length bit 0 */ +#define MAX3107_LCR_LENGTH1_BIT (1 << 1) /* Word length bit 1 + * + * Word length bits table: + * 00 -> 5 bit words + * 01 -> 6 bit words + * 10 -> 7 bit words + * 11 -> 8 bit words + */ +#define MAX3107_LCR_STOPLEN_BIT (1 << 2) /* STOP length bit + * + * STOP length bit table: + * 0 -> 1 stop bit + * 1 -> 1-1.5 stop bits if + * word length is 5, + * 2 stop bits otherwise + */ +#define MAX3107_LCR_PARITY_BIT (1 << 3) /* Parity bit enable */ +#define MAX3107_LCR_EVENPARITY_BIT (1 << 4) /* Even parity bit enable */ +#define MAX3107_LCR_FORCEPARITY_BIT (1 << 5) /* 9-bit multidrop parity */ +#define MAX3107_LCR_TXBREAK_BIT (1 << 6) /* TX break enable */ +#define MAX3107_LCR_RTS_BIT (1 << 7) /* RTS pin control */ +#define MAX3107_LCR_WORD_LEN_5 (0x0000) +#define MAX3107_LCR_WORD_LEN_6 (0x0001) +#define MAX3107_LCR_WORD_LEN_7 (0x0002) +#define MAX3107_LCR_WORD_LEN_8 (0x0003) + + +/* IRDA register bits */ +#define MAX3107_IRDA_IRDAEN_BIT (1 << 0) /* IRDA mode enable */ +#define MAX3107_IRDA_SIR_BIT (1 << 1) /* SIR mode enable */ +#define MAX3107_IRDA_SHORTIR_BIT (1 << 2) /* Short SIR mode enable */ +#define MAX3107_IRDA_MIR_BIT (1 << 3) /* MIR mode enable */ +#define MAX3107_IRDA_RXINV_BIT (1 << 4) /* RX logic inversion enable */ +#define MAX3107_IRDA_TXINV_BIT (1 << 5) /* TX logic inversion enable */ +#define MAX3107_IRDA_UNDEF6_BIT (1 << 6) /* Undefined/not used */ +#define MAX3107_IRDA_UNDEF7_BIT (1 << 7) /* Undefined/not used */ + +/* Flow control trigger level register masks */ +#define MAX3107_FLOWLVL_HALT_MASK (0x000f) /* Flow control halt level */ +#define MAX3107_FLOWLVL_RES_MASK (0x00f0) /* Flow control resume level */ +#define MAX3107_FLOWLVL_HALT(words) ((words/8) & 0x000f) +#define MAX3107_FLOWLVL_RES(words) (((words/8) & 0x000f) << 4) + +/* FIFO interrupt trigger level register masks */ +#define MAX3107_FIFOTRIGLVL_TX_MASK (0x000f) /* TX FIFO trigger level */ +#define MAX3107_FIFOTRIGLVL_RX_MASK (0x00f0) /* RX FIFO trigger level */ +#define MAX3107_FIFOTRIGLVL_TX(words) ((words/8) & 0x000f) +#define MAX3107_FIFOTRIGLVL_RX(words) (((words/8) & 0x000f) << 4) + +/* Flow control register bits */ +#define MAX3107_FLOWCTRL_AUTORTS_BIT (1 << 0) /* Auto RTS flow ctrl enable */ +#define MAX3107_FLOWCTRL_AUTOCTS_BIT (1 << 1) /* Auto CTS flow ctrl enable */ +#define MAX3107_FLOWCTRL_GPIADDR_BIT (1 << 2) /* Enables that GPIO inputs + * are used in conjunction with + * XOFF2 for definition of + * special character */ +#define MAX3107_FLOWCTRL_SWFLOWEN_BIT (1 << 3) /* Auto SW flow ctrl enable */ +#define MAX3107_FLOWCTRL_SWFLOW0_BIT (1 << 4) /* SWFLOW bit 0 */ +#define MAX3107_FLOWCTRL_SWFLOW1_BIT (1 << 5) /* SWFLOW bit 1 + * + * SWFLOW bits 1 & 0 table: + * 00 -> no transmitter flow + * control + * 01 -> receiver compares + * XON2 and XOFF2 + * and controls + * transmitter + * 10 -> receiver compares + * XON1 and XOFF1 + * and controls + * transmitter + * 11 -> receiver compares + * XON1, XON2, XOFF1 and + * XOFF2 and controls + * transmitter + */ +#define MAX3107_FLOWCTRL_SWFLOW2_BIT (1 << 6) /* SWFLOW bit 2 */ +#define MAX3107_FLOWCTRL_SWFLOW3_BIT (1 << 7) /* SWFLOW bit 3 + * + * SWFLOW bits 3 & 2 table: + * 00 -> no received flow + * control + * 01 -> transmitter generates + * XON2 and XOFF2 + * 10 -> transmitter generates + * XON1 and XOFF1 + * 11 -> transmitter generates + * XON1, XON2, XOFF1 and + * XOFF2 + */ + +/* GPIO configuration register bits */ +#define MAX3107_GPIOCFG_GP0OUT_BIT (1 << 0) /* GPIO 0 output enable */ +#define MAX3107_GPIOCFG_GP1OUT_BIT (1 << 1) /* GPIO 1 output enable */ +#define MAX3107_GPIOCFG_GP2OUT_BIT (1 << 2) /* GPIO 2 output enable */ +#define MAX3107_GPIOCFG_GP3OUT_BIT (1 << 3) /* GPIO 3 output enable */ +#define MAX3107_GPIOCFG_GP0OD_BIT (1 << 4) /* GPIO 0 open-drain enable */ +#define MAX3107_GPIOCFG_GP1OD_BIT (1 << 5) /* GPIO 1 open-drain enable */ +#define MAX3107_GPIOCFG_GP2OD_BIT (1 << 6) /* GPIO 2 open-drain enable */ +#define MAX3107_GPIOCFG_GP3OD_BIT (1 << 7) /* GPIO 3 open-drain enable */ + +/* GPIO DATA register bits */ +#define MAX3107_GPIODATA_GP0OUT_BIT (1 << 0) /* GPIO 0 output value */ +#define MAX3107_GPIODATA_GP1OUT_BIT (1 << 1) /* GPIO 1 output value */ +#define MAX3107_GPIODATA_GP2OUT_BIT (1 << 2) /* GPIO 2 output value */ +#define MAX3107_GPIODATA_GP3OUT_BIT (1 << 3) /* GPIO 3 output value */ +#define MAX3107_GPIODATA_GP0IN_BIT (1 << 4) /* GPIO 0 input value */ +#define MAX3107_GPIODATA_GP1IN_BIT (1 << 5) /* GPIO 1 input value */ +#define MAX3107_GPIODATA_GP2IN_BIT (1 << 6) /* GPIO 2 input value */ +#define MAX3107_GPIODATA_GP3IN_BIT (1 << 7) /* GPIO 3 input value */ + +/* PLL configuration register masks */ +#define MAX3107_PLLCFG_PREDIV_MASK (0x003f) /* PLL predivision value */ +#define MAX3107_PLLCFG_PLLFACTOR_MASK (0x00c0) /* PLL multiplication factor */ + +/* Baud rate generator configuration register masks and bits */ +#define MAX3107_BRGCFG_FRACT_MASK (0x000f) /* Fractional portion of + * Baud rate generator divisor + */ +#define MAX3107_BRGCFG_2XMODE_BIT (1 << 4) /* Double baud rate */ +#define MAX3107_BRGCFG_4XMODE_BIT (1 << 5) /* Quadruple baud rate */ +#define MAX3107_BRGCFG_UNDEF6_BIT (1 << 6) /* Undefined/not used */ +#define MAX3107_BRGCFG_UNDEF7_BIT (1 << 7) /* Undefined/not used */ + +/* Clock source register bits */ +#define MAX3107_CLKSRC_INTOSC_BIT (1 << 0) /* Internal osc enable */ +#define MAX3107_CLKSRC_CRYST_BIT (1 << 1) /* Crystal osc enable */ +#define MAX3107_CLKSRC_PLL_BIT (1 << 2) /* PLL enable */ +#define MAX3107_CLKSRC_PLLBYP_BIT (1 << 3) /* PLL bypass */ +#define MAX3107_CLKSRC_EXTCLK_BIT (1 << 4) /* External clock enable */ +#define MAX3107_CLKSRC_UNDEF5_BIT (1 << 5) /* Undefined/not used */ +#define MAX3107_CLKSRC_UNDEF6_BIT (1 << 6) /* Undefined/not used */ +#define MAX3107_CLKSRC_CLK2RTS_BIT (1 << 7) /* Baud clk to RTS pin */ + + +/* HW definitions */ +#define MAX3107_RX_FIFO_SIZE 128 +#define MAX3107_TX_FIFO_SIZE 128 +#define MAX3107_REVID1 0x00a0 +#define MAX3107_REVID2 0x00a1 + + +/* Baud rate generator configuration values for external clock 13MHz */ +#define MAX3107_BRG13_B300 (0x0A9400 | 0x05) +#define MAX3107_BRG13_B600 (0x054A00 | 0x03) +#define MAX3107_BRG13_B1200 (0x02A500 | 0x01) +#define MAX3107_BRG13_B2400 (0x015200 | 0x09) +#define MAX3107_BRG13_B4800 (0x00A900 | 0x04) +#define MAX3107_BRG13_B9600 (0x005400 | 0x0A) +#define MAX3107_BRG13_B19200 (0x002A00 | 0x05) +#define MAX3107_BRG13_B38400 (0x001500 | 0x03) +#define MAX3107_BRG13_B57600 (0x000E00 | 0x02) +#define MAX3107_BRG13_B115200 (0x000700 | 0x01) +#define MAX3107_BRG13_B230400 (0x000300 | 0x08) +#define MAX3107_BRG13_B460800 (0x000100 | 0x0c) +#define MAX3107_BRG13_B921600 (0x000100 | 0x1c) + +/* Baud rate generator configuration values for external clock 26MHz */ +#define MAX3107_BRG26_B300 (0x152800 | 0x0A) +#define MAX3107_BRG26_B600 (0x0A9400 | 0x05) +#define MAX3107_BRG26_B1200 (0x054A00 | 0x03) +#define MAX3107_BRG26_B2400 (0x02A500 | 0x01) +#define MAX3107_BRG26_B4800 (0x015200 | 0x09) +#define MAX3107_BRG26_B9600 (0x00A900 | 0x04) +#define MAX3107_BRG26_B19200 (0x005400 | 0x0A) +#define MAX3107_BRG26_B38400 (0x002A00 | 0x05) +#define MAX3107_BRG26_B57600 (0x001C00 | 0x03) +#define MAX3107_BRG26_B115200 (0x000E00 | 0x02) +#define MAX3107_BRG26_B230400 (0x000700 | 0x01) +#define MAX3107_BRG26_B460800 (0x000300 | 0x08) +#define MAX3107_BRG26_B921600 (0x000100 | 0x0C) + +/* Baud rate generator configuration values for internal clock */ +#define MAX3107_BRG13_IB300 (0x008000 | 0x00) +#define MAX3107_BRG13_IB600 (0x004000 | 0x00) +#define MAX3107_BRG13_IB1200 (0x002000 | 0x00) +#define MAX3107_BRG13_IB2400 (0x001000 | 0x00) +#define MAX3107_BRG13_IB4800 (0x000800 | 0x00) +#define MAX3107_BRG13_IB9600 (0x000400 | 0x00) +#define MAX3107_BRG13_IB19200 (0x000200 | 0x00) +#define MAX3107_BRG13_IB38400 (0x000100 | 0x00) +#define MAX3107_BRG13_IB57600 (0x000000 | 0x0B) +#define MAX3107_BRG13_IB115200 (0x000000 | 0x05) +#define MAX3107_BRG13_IB230400 (0x000000 | 0x03) +#define MAX3107_BRG13_IB460800 (0x000000 | 0x00) +#define MAX3107_BRG13_IB921600 (0x000000 | 0x00) + + +struct baud_table { + int baud; + u32 new_brg; +}; + +struct max3107_port { + /* UART port structure */ + struct uart_port port; + + /* SPI device structure */ + struct spi_device *spi; + +#if defined(CONFIG_GPIOLIB) + /* GPIO chip stucture */ + struct gpio_chip chip; +#endif + + /* Workqueue that does all the magic */ + struct workqueue_struct *workqueue; + struct work_struct work; + + /* Lock for shared data */ + spinlock_t data_lock; + + /* Device configuration */ + int ext_clk; /* 1 if external clock used */ + int loopback; /* Current loopback mode state */ + int baud; /* Current baud rate */ + + /* State flags */ + int suspended; /* Indicates suspend mode */ + int tx_fifo_empty; /* Flag for TX FIFO state */ + int rx_enabled; /* Flag for receiver state */ + int tx_enabled; /* Flag for transmitter state */ + + u16 irqen_reg; /* Current IRQ enable register value */ + /* Shared data */ + u16 mode1_reg; /* Current mode1 register value*/ + int mode1_commit; /* Flag for setting new mode1 register value */ + u16 lcr_reg; /* Current LCR register value */ + int lcr_commit; /* Flag for setting new LCR register value */ + u32 brg_cfg; /* Current Baud rate generator config */ + int brg_commit; /* Flag for setting new baud rate generator + * config + */ + struct baud_table *baud_tbl; + int handle_irq; /* Indicates that IRQ should be handled */ + + /* Rx buffer and str*/ + u16 *rxbuf; + u8 *rxstr; + /* Tx buffer*/ + u16 *txbuf; + + struct max3107_plat *pdata; /* Platform data */ +}; + +/* Platform data structure */ +struct max3107_plat { + /* Loopback mode enable */ + int loopback; + /* External clock enable */ + int ext_clk; + /* Called during the register initialisation */ + void (*init)(struct max3107_port *s); + /* Called when the port is found and configured */ + int (*configure)(struct max3107_port *s); + /* HW suspend function */ + void (*hw_suspend) (struct max3107_port *s, int suspend); + /* Polling mode enable */ + int polled_mode; + /* Polling period if polling mode enabled */ + int poll_time; +}; + +extern int max3107_rw(struct max3107_port *s, u8 *tx, u8 *rx, int len); +extern void max3107_hw_susp(struct max3107_port *s, int suspend); +extern int max3107_probe(struct spi_device *spi, struct max3107_plat *pdata); +extern int max3107_remove(struct spi_device *spi); +extern int max3107_suspend(struct spi_device *spi, pm_message_t state); +extern int max3107_resume(struct spi_device *spi); + +#endif /* _LINUX_SERIAL_MAX3107_H */ diff --git a/drivers/serial/mcf.c b/drivers/serial/mcf.c index b5aaef9..3394b7c 100644 --- a/drivers/serial/mcf.c +++ b/drivers/serial/mcf.c @@ -70,16 +70,14 @@ static unsigned int mcf_tx_empty(struct uart_port *port) static unsigned int mcf_get_mctrl(struct uart_port *port) { struct mcf_uart *pp = container_of(port, struct mcf_uart, port); - unsigned long flags; unsigned int sigs; - spin_lock_irqsave(&port->lock, flags); sigs = (readb(port->membase + MCFUART_UIPR) & MCFUART_UIPR_CTS) ? 0 : TIOCM_CTS; sigs |= (pp->sigs & TIOCM_RTS); sigs |= (mcf_getppdcd(port->line) ? TIOCM_CD : 0); sigs |= (mcf_getppdtr(port->line) ? TIOCM_DTR : 0); - spin_unlock_irqrestore(&port->lock, flags); + return sigs; } @@ -88,16 +86,13 @@ static unsigned int mcf_get_mctrl(struct uart_port *port) static void mcf_set_mctrl(struct uart_port *port, unsigned int sigs) { struct mcf_uart *pp = container_of(port, struct mcf_uart, port); - unsigned long flags; - spin_lock_irqsave(&port->lock, flags); pp->sigs = sigs; mcf_setppdtr(port->line, (sigs & TIOCM_DTR)); if (sigs & TIOCM_RTS) writeb(MCFUART_UOP_RTS, port->membase + MCFUART_UOP1); else writeb(MCFUART_UOP_RTS, port->membase + MCFUART_UOP0); - spin_unlock_irqrestore(&port->lock, flags); } /****************************************************************************/ @@ -105,12 +100,9 @@ static void mcf_set_mctrl(struct uart_port *port, unsigned int sigs) static void mcf_start_tx(struct uart_port *port) { struct mcf_uart *pp = container_of(port, struct mcf_uart, port); - unsigned long flags; - spin_lock_irqsave(&port->lock, flags); pp->imr |= MCFUART_UIR_TXREADY; writeb(pp->imr, port->membase + MCFUART_UIMR); - spin_unlock_irqrestore(&port->lock, flags); } /****************************************************************************/ @@ -118,12 +110,9 @@ static void mcf_start_tx(struct uart_port *port) static void mcf_stop_tx(struct uart_port *port) { struct mcf_uart *pp = container_of(port, struct mcf_uart, port); - unsigned long flags; - spin_lock_irqsave(&port->lock, flags); pp->imr &= ~MCFUART_UIR_TXREADY; writeb(pp->imr, port->membase + MCFUART_UIMR); - spin_unlock_irqrestore(&port->lock, flags); } /****************************************************************************/ @@ -131,12 +120,9 @@ static void mcf_stop_tx(struct uart_port *port) static void mcf_stop_rx(struct uart_port *port) { struct mcf_uart *pp = container_of(port, struct mcf_uart, port); - unsigned long flags; - spin_lock_irqsave(&port->lock, flags); pp->imr &= ~MCFUART_UIR_RXREADY; writeb(pp->imr, port->membase + MCFUART_UIMR); - spin_unlock_irqrestore(&port->lock, flags); } /****************************************************************************/ @@ -366,13 +352,22 @@ static irqreturn_t mcf_interrupt(int irq, void *data) struct uart_port *port = data; struct mcf_uart *pp = container_of(port, struct mcf_uart, port); unsigned int isr; + irqreturn_t ret = IRQ_NONE; isr = readb(port->membase + MCFUART_UISR) & pp->imr; - if (isr & MCFUART_UIR_RXREADY) + + spin_lock(&port->lock); + if (isr & MCFUART_UIR_RXREADY) { mcf_rx_chars(pp); - if (isr & MCFUART_UIR_TXREADY) + ret = IRQ_HANDLED; + } + if (isr & MCFUART_UIR_TXREADY) { mcf_tx_chars(pp); - return IRQ_HANDLED; + ret = IRQ_HANDLED; + } + spin_unlock(&port->lock); + + return ret; } /****************************************************************************/ diff --git a/drivers/serial/mfd.c b/drivers/serial/mfd.c new file mode 100644 index 0000000..bc9af50 --- /dev/null +++ b/drivers/serial/mfd.c @@ -0,0 +1,1498 @@ +/* + * mfd.c: driver for High Speed UART device of Intel Medfield platform + * + * Refer pxa.c, 8250.c and some other drivers in drivers/serial/ + * + * (C) Copyright 2010 Intel Corporation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; version 2 + * of the License. + */ + +/* Notes: + * 1. DMA channel allocation: 0/1 channel are assigned to port 0, + * 2/3 chan to port 1, 4/5 chan to port 3. Even number chans + * are used for RX, odd chans for TX + * + * 2. In A0 stepping, UART will not support TX half empty flag + * + * 3. The RI/DSR/DCD/DTR are not pinned out, DCD & DSR are always + * asserted, only when the HW is reset the DDCD and DDSR will + * be triggered + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/console.h> +#include <linux/sysrq.h> +#include <linux/serial_reg.h> +#include <linux/circ_buf.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/tty.h> +#include <linux/tty_flip.h> +#include <linux/serial_core.h> +#include <linux/serial_mfd.h> +#include <linux/dma-mapping.h> +#include <linux/pci.h> +#include <linux/io.h> +#include <linux/debugfs.h> + +#define MFD_HSU_A0_STEPPING 1 + +#define HSU_DMA_BUF_SIZE 2048 + +#define chan_readl(chan, offset) readl(chan->reg + offset) +#define chan_writel(chan, offset, val) writel(val, chan->reg + offset) + +#define mfd_readl(obj, offset) readl(obj->reg + offset) +#define mfd_writel(obj, offset, val) writel(val, obj->reg + offset) + +#define HSU_DMA_TIMEOUT_CHECK_FREQ (HZ/10) + +struct hsu_dma_buffer { + u8 *buf; + dma_addr_t dma_addr; + u32 dma_size; + u32 ofs; +}; + +struct hsu_dma_chan { + u32 id; + enum dma_data_direction dirt; + struct uart_hsu_port *uport; + void __iomem *reg; + struct timer_list rx_timer; /* only needed by RX channel */ +}; + +struct uart_hsu_port { + struct uart_port port; + unsigned char ier; + unsigned char lcr; + unsigned char mcr; + unsigned int lsr_break_flag; + char name[12]; + int index; + struct device *dev; + + struct hsu_dma_chan *txc; + struct hsu_dma_chan *rxc; + struct hsu_dma_buffer txbuf; + struct hsu_dma_buffer rxbuf; + int use_dma; /* flag for DMA/PIO */ + int running; + int dma_tx_on; +}; + +/* Top level data structure of HSU */ +struct hsu_port { + void __iomem *reg; + unsigned long paddr; + unsigned long iolen; + u32 irq; + + struct uart_hsu_port port[3]; + struct hsu_dma_chan chans[10]; + + struct dentry *debugfs; +}; + +static inline unsigned int serial_in(struct uart_hsu_port *up, int offset) +{ + unsigned int val; + + if (offset > UART_MSR) { + offset <<= 2; + val = readl(up->port.membase + offset); + } else + val = (unsigned int)readb(up->port.membase + offset); + + return val; +} + +static inline void serial_out(struct uart_hsu_port *up, int offset, int value) +{ + if (offset > UART_MSR) { + offset <<= 2; + writel(value, up->port.membase + offset); + } else { + unsigned char val = value & 0xff; + writeb(val, up->port.membase + offset); + } +} + +#ifdef CONFIG_DEBUG_FS + +#define HSU_REGS_BUFSIZE 1024 + +static int hsu_show_regs_open(struct inode *inode, struct file *file) +{ + file->private_data = inode->i_private; + return 0; +} + +static ssize_t port_show_regs(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct uart_hsu_port *up = file->private_data; + char *buf; + u32 len = 0; + ssize_t ret; + + buf = kzalloc(HSU_REGS_BUFSIZE, GFP_KERNEL); + if (!buf) + return 0; + + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "MFD HSU port[%d] regs:\n", up->index); + + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "=================================\n"); + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "IER: \t\t0x%08x\n", serial_in(up, UART_IER)); + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "IIR: \t\t0x%08x\n", serial_in(up, UART_IIR)); + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "LCR: \t\t0x%08x\n", serial_in(up, UART_LCR)); + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "MCR: \t\t0x%08x\n", serial_in(up, UART_MCR)); + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "LSR: \t\t0x%08x\n", serial_in(up, UART_LSR)); + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "MSR: \t\t0x%08x\n", serial_in(up, UART_MSR)); + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "FOR: \t\t0x%08x\n", serial_in(up, UART_FOR)); + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "PS: \t\t0x%08x\n", serial_in(up, UART_PS)); + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "MUL: \t\t0x%08x\n", serial_in(up, UART_MUL)); + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "DIV: \t\t0x%08x\n", serial_in(up, UART_DIV)); + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); + kfree(buf); + return ret; +} + +static ssize_t dma_show_regs(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct hsu_dma_chan *chan = file->private_data; + char *buf; + u32 len = 0; + ssize_t ret; + + buf = kzalloc(HSU_REGS_BUFSIZE, GFP_KERNEL); + if (!buf) + return 0; + + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "MFD HSU DMA channel [%d] regs:\n", chan->id); + + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "=================================\n"); + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "CR: \t\t0x%08x\n", chan_readl(chan, HSU_CH_CR)); + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "DCR: \t\t0x%08x\n", chan_readl(chan, HSU_CH_DCR)); + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "BSR: \t\t0x%08x\n", chan_readl(chan, HSU_CH_BSR)); + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "MOTSR: \t\t0x%08x\n", chan_readl(chan, HSU_CH_MOTSR)); + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "D0SAR: \t\t0x%08x\n", chan_readl(chan, HSU_CH_D0SAR)); + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "D0TSR: \t\t0x%08x\n", chan_readl(chan, HSU_CH_D0TSR)); + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "D0SAR: \t\t0x%08x\n", chan_readl(chan, HSU_CH_D1SAR)); + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "D0TSR: \t\t0x%08x\n", chan_readl(chan, HSU_CH_D1TSR)); + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "D0SAR: \t\t0x%08x\n", chan_readl(chan, HSU_CH_D2SAR)); + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "D0TSR: \t\t0x%08x\n", chan_readl(chan, HSU_CH_D2TSR)); + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "D0SAR: \t\t0x%08x\n", chan_readl(chan, HSU_CH_D3SAR)); + len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, + "D0TSR: \t\t0x%08x\n", chan_readl(chan, HSU_CH_D3TSR)); + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); + kfree(buf); + return ret; +} + +static const struct file_operations port_regs_ops = { + .owner = THIS_MODULE, + .open = hsu_show_regs_open, + .read = port_show_regs, +}; + +static const struct file_operations dma_regs_ops = { + .owner = THIS_MODULE, + .open = hsu_show_regs_open, + .read = dma_show_regs, +}; + +static int hsu_debugfs_init(struct hsu_port *hsu) +{ + int i; + char name[32]; + + hsu->debugfs = debugfs_create_dir("hsu", NULL); + if (!hsu->debugfs) + return -ENOMEM; + + for (i = 0; i < 3; i++) { + snprintf(name, sizeof(name), "port_%d_regs", i); + debugfs_create_file(name, S_IFREG | S_IRUGO, + hsu->debugfs, (void *)(&hsu->port[i]), &port_regs_ops); + } + + for (i = 0; i < 6; i++) { + snprintf(name, sizeof(name), "dma_chan_%d_regs", i); + debugfs_create_file(name, S_IFREG | S_IRUGO, + hsu->debugfs, (void *)&hsu->chans[i], &dma_regs_ops); + } + + return 0; +} + +static void hsu_debugfs_remove(struct hsu_port *hsu) +{ + if (hsu->debugfs) + debugfs_remove_recursive(hsu->debugfs); +} + +#else +static inline int hsu_debugfs_init(struct hsu_port *hsu) +{ + return 0; +} + +static inline void hsu_debugfs_remove(struct hsu_port *hsu) +{ +} +#endif /* CONFIG_DEBUG_FS */ + +static void serial_hsu_enable_ms(struct uart_port *port) +{ + struct uart_hsu_port *up = + container_of(port, struct uart_hsu_port, port); + + up->ier |= UART_IER_MSI; + serial_out(up, UART_IER, up->ier); +} + +void hsu_dma_tx(struct uart_hsu_port *up) +{ + struct circ_buf *xmit = &up->port.state->xmit; + struct hsu_dma_buffer *dbuf = &up->txbuf; + int count; + + /* test_and_set_bit may be better, but anyway it's in lock protected mode */ + if (up->dma_tx_on) + return; + + /* Update the circ buf info */ + xmit->tail += dbuf->ofs; + xmit->tail &= UART_XMIT_SIZE - 1; + + up->port.icount.tx += dbuf->ofs; + dbuf->ofs = 0; + + /* Disable the channel */ + chan_writel(up->txc, HSU_CH_CR, 0x0); + + if (!uart_circ_empty(xmit) && !uart_tx_stopped(&up->port)) { + dma_sync_single_for_device(up->port.dev, + dbuf->dma_addr, + dbuf->dma_size, + DMA_TO_DEVICE); + + count = CIRC_CNT_TO_END(xmit->head, xmit->tail, UART_XMIT_SIZE); + dbuf->ofs = count; + + /* Reprogram the channel */ + chan_writel(up->txc, HSU_CH_D0SAR, dbuf->dma_addr + xmit->tail); + chan_writel(up->txc, HSU_CH_D0TSR, count); + + /* Reenable the channel */ + chan_writel(up->txc, HSU_CH_DCR, 0x1 + | (0x1 << 8) + | (0x1 << 16) + | (0x1 << 24)); + up->dma_tx_on = 1; + chan_writel(up->txc, HSU_CH_CR, 0x1); + } + + if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) + uart_write_wakeup(&up->port); +} + +/* The buffer is already cache coherent */ +void hsu_dma_start_rx_chan(struct hsu_dma_chan *rxc, struct hsu_dma_buffer *dbuf) +{ + dbuf->ofs = 0; + + chan_writel(rxc, HSU_CH_BSR, 32); + chan_writel(rxc, HSU_CH_MOTSR, 4); + + chan_writel(rxc, HSU_CH_D0SAR, dbuf->dma_addr); + chan_writel(rxc, HSU_CH_D0TSR, dbuf->dma_size); + chan_writel(rxc, HSU_CH_DCR, 0x1 | (0x1 << 8) + | (0x1 << 16) + | (0x1 << 24) /* timeout bit, see HSU Errata 1 */ + ); + chan_writel(rxc, HSU_CH_CR, 0x3); + + mod_timer(&rxc->rx_timer, jiffies + HSU_DMA_TIMEOUT_CHECK_FREQ); +} + +/* Protected by spin_lock_irqsave(port->lock) */ +static void serial_hsu_start_tx(struct uart_port *port) +{ + struct uart_hsu_port *up = + container_of(port, struct uart_hsu_port, port); + + if (up->use_dma) { + hsu_dma_tx(up); + } else if (!(up->ier & UART_IER_THRI)) { + up->ier |= UART_IER_THRI; + serial_out(up, UART_IER, up->ier); + } +} + +static void serial_hsu_stop_tx(struct uart_port *port) +{ + struct uart_hsu_port *up = + container_of(port, struct uart_hsu_port, port); + struct hsu_dma_chan *txc = up->txc; + + if (up->use_dma) + chan_writel(txc, HSU_CH_CR, 0x0); + else if (up->ier & UART_IER_THRI) { + up->ier &= ~UART_IER_THRI; + serial_out(up, UART_IER, up->ier); + } +} + +/* This is always called in spinlock protected mode, so + * modify timeout timer is safe here */ +void hsu_dma_rx(struct uart_hsu_port *up, u32 int_sts) +{ + struct hsu_dma_buffer *dbuf = &up->rxbuf; + struct hsu_dma_chan *chan = up->rxc; + struct uart_port *port = &up->port; + struct tty_struct *tty = port->state->port.tty; + int count; + + if (!tty) + return; + + /* + * First need to know how many is already transferred, + * then check if its a timeout DMA irq, and return + * the trail bytes out, push them up and reenable the + * channel + */ + + /* Timeout IRQ, need wait some time, see Errata 2 */ + if (int_sts & 0xf00) + udelay(2); + + /* Stop the channel */ + chan_writel(chan, HSU_CH_CR, 0x0); + + count = chan_readl(chan, HSU_CH_D0SAR) - dbuf->dma_addr; + if (!count) { + /* Restart the channel before we leave */ + chan_writel(chan, HSU_CH_CR, 0x3); + return; + } + del_timer(&chan->rx_timer); + + dma_sync_single_for_cpu(port->dev, dbuf->dma_addr, + dbuf->dma_size, DMA_FROM_DEVICE); + + /* + * Head will only wrap around when we recycle + * the DMA buffer, and when that happens, we + * explicitly set tail to 0. So head will + * always be greater than tail. + */ + tty_insert_flip_string(tty, dbuf->buf, count); + port->icount.rx += count; + + dma_sync_single_for_device(up->port.dev, dbuf->dma_addr, + dbuf->dma_size, DMA_FROM_DEVICE); + + /* Reprogram the channel */ + chan_writel(chan, HSU_CH_D0SAR, dbuf->dma_addr); + chan_writel(chan, HSU_CH_D0TSR, dbuf->dma_size); + chan_writel(chan, HSU_CH_DCR, 0x1 + | (0x1 << 8) + | (0x1 << 16) + | (0x1 << 24) /* timeout bit, see HSU Errata 1 */ + ); + tty_flip_buffer_push(tty); + + chan_writel(chan, HSU_CH_CR, 0x3); + chan->rx_timer.expires = jiffies + HSU_DMA_TIMEOUT_CHECK_FREQ; + add_timer(&chan->rx_timer); + +} + +static void serial_hsu_stop_rx(struct uart_port *port) +{ + struct uart_hsu_port *up = + container_of(port, struct uart_hsu_port, port); + struct hsu_dma_chan *chan = up->rxc; + + if (up->use_dma) + chan_writel(chan, HSU_CH_CR, 0x2); + else { + up->ier &= ~UART_IER_RLSI; + up->port.read_status_mask &= ~UART_LSR_DR; + serial_out(up, UART_IER, up->ier); + } +} + +static inline void receive_chars(struct uart_hsu_port *up, int *status) +{ + struct tty_struct *tty = up->port.state->port.tty; + unsigned int ch, flag; + unsigned int max_count = 256; + + if (!tty) + return; + + do { + ch = serial_in(up, UART_RX); + flag = TTY_NORMAL; + up->port.icount.rx++; + + if (unlikely(*status & (UART_LSR_BI | UART_LSR_PE | + UART_LSR_FE | UART_LSR_OE))) { + + dev_warn(up->dev, "We really rush into ERR/BI case" + "status = 0x%02x", *status); + /* For statistics only */ + if (*status & UART_LSR_BI) { + *status &= ~(UART_LSR_FE | UART_LSR_PE); + up->port.icount.brk++; + /* + * We do the SysRQ and SAK checking + * here because otherwise the break + * may get masked by ignore_status_mask + * or read_status_mask. + */ + if (uart_handle_break(&up->port)) + goto ignore_char; + } else if (*status & UART_LSR_PE) + up->port.icount.parity++; + else if (*status & UART_LSR_FE) + up->port.icount.frame++; + if (*status & UART_LSR_OE) + up->port.icount.overrun++; + + /* Mask off conditions which should be ignored. */ + *status &= up->port.read_status_mask; + +#ifdef CONFIG_SERIAL_MFD_HSU_CONSOLE + if (up->port.cons && + up->port.cons->index == up->port.line) { + /* Recover the break flag from console xmit */ + *status |= up->lsr_break_flag; + up->lsr_break_flag = 0; + } +#endif + if (*status & UART_LSR_BI) { + flag = TTY_BREAK; + } else if (*status & UART_LSR_PE) + flag = TTY_PARITY; + else if (*status & UART_LSR_FE) + flag = TTY_FRAME; + } + + if (uart_handle_sysrq_char(&up->port, ch)) + goto ignore_char; + + uart_insert_char(&up->port, *status, UART_LSR_OE, ch, flag); + ignore_char: + *status = serial_in(up, UART_LSR); + } while ((*status & UART_LSR_DR) && max_count--); + tty_flip_buffer_push(tty); +} + +static void transmit_chars(struct uart_hsu_port *up) +{ + struct circ_buf *xmit = &up->port.state->xmit; + int count; + + if (up->port.x_char) { + serial_out(up, UART_TX, up->port.x_char); + up->port.icount.tx++; + up->port.x_char = 0; + return; + } + if (uart_circ_empty(xmit) || uart_tx_stopped(&up->port)) { + serial_hsu_stop_tx(&up->port); + return; + } + +#ifndef MFD_HSU_A0_STEPPING + count = up->port.fifosize / 2; +#else + /* + * A0 only supports fully empty IRQ, and the first char written + * into it won't clear the EMPT bit, so we may need be cautious + * by useing a shorter buffer + */ + count = up->port.fifosize - 4; +#endif + do { + serial_out(up, UART_TX, xmit->buf[xmit->tail]); + xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); + + up->port.icount.tx++; + if (uart_circ_empty(xmit)) + break; + } while (--count > 0); + + if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) + uart_write_wakeup(&up->port); + + if (uart_circ_empty(xmit)) + serial_hsu_stop_tx(&up->port); +} + +static inline void check_modem_status(struct uart_hsu_port *up) +{ + int status; + + status = serial_in(up, UART_MSR); + + if ((status & UART_MSR_ANY_DELTA) == 0) + return; + + if (status & UART_MSR_TERI) + up->port.icount.rng++; + if (status & UART_MSR_DDSR) + up->port.icount.dsr++; + /* We may only get DDCD when HW init and reset */ + if (status & UART_MSR_DDCD) + uart_handle_dcd_change(&up->port, status & UART_MSR_DCD); + /* Will start/stop_tx accordingly */ + if (status & UART_MSR_DCTS) + uart_handle_cts_change(&up->port, status & UART_MSR_CTS); + + wake_up_interruptible(&up->port.state->port.delta_msr_wait); +} + +/* + * This handles the interrupt from one port. + */ +static irqreturn_t port_irq(int irq, void *dev_id) +{ + struct uart_hsu_port *up = dev_id; + unsigned int iir, lsr; + unsigned long flags; + + if (unlikely(!up->running)) + return IRQ_NONE; + + spin_lock_irqsave(&up->port.lock, flags); + if (up->use_dma) { + lsr = serial_in(up, UART_LSR); + if (unlikely(lsr & (UART_LSR_BI | UART_LSR_PE | + UART_LSR_FE | UART_LSR_OE))) + dev_warn(up->dev, + "Got lsr irq while using DMA, lsr = 0x%2x\n", + lsr); + check_modem_status(up); + spin_unlock_irqrestore(&up->port.lock, flags); + return IRQ_HANDLED; + } + + iir = serial_in(up, UART_IIR); + if (iir & UART_IIR_NO_INT) { + spin_unlock_irqrestore(&up->port.lock, flags); + return IRQ_NONE; + } + + lsr = serial_in(up, UART_LSR); + if (lsr & UART_LSR_DR) + receive_chars(up, &lsr); + check_modem_status(up); + + /* lsr will be renewed during the receive_chars */ + if (lsr & UART_LSR_THRE) + transmit_chars(up); + + spin_unlock_irqrestore(&up->port.lock, flags); + return IRQ_HANDLED; +} + +static inline void dma_chan_irq(struct hsu_dma_chan *chan) +{ + struct uart_hsu_port *up = chan->uport; + unsigned long flags; + u32 int_sts; + + spin_lock_irqsave(&up->port.lock, flags); + + if (!up->use_dma || !up->running) + goto exit; + + /* + * No matter what situation, need read clear the IRQ status + * There is a bug, see Errata 5, HSD 2900918 + */ + int_sts = chan_readl(chan, HSU_CH_SR); + + /* Rx channel */ + if (chan->dirt == DMA_FROM_DEVICE) + hsu_dma_rx(up, int_sts); + + /* Tx channel */ + if (chan->dirt == DMA_TO_DEVICE) { + chan_writel(chan, HSU_CH_CR, 0x0); + up->dma_tx_on = 0; + hsu_dma_tx(up); + } + +exit: + spin_unlock_irqrestore(&up->port.lock, flags); + return; +} + +static irqreturn_t dma_irq(int irq, void *dev_id) +{ + struct hsu_port *hsu = dev_id; + u32 int_sts, i; + + int_sts = mfd_readl(hsu, HSU_GBL_DMAISR); + + /* Currently we only have 6 channels may be used */ + for (i = 0; i < 6; i++) { + if (int_sts & 0x1) + dma_chan_irq(&hsu->chans[i]); + int_sts >>= 1; + } + + return IRQ_HANDLED; +} + +static unsigned int serial_hsu_tx_empty(struct uart_port *port) +{ + struct uart_hsu_port *up = + container_of(port, struct uart_hsu_port, port); + unsigned long flags; + unsigned int ret; + + spin_lock_irqsave(&up->port.lock, flags); + ret = serial_in(up, UART_LSR) & UART_LSR_TEMT ? TIOCSER_TEMT : 0; + spin_unlock_irqrestore(&up->port.lock, flags); + + return ret; +} + +static unsigned int serial_hsu_get_mctrl(struct uart_port *port) +{ + struct uart_hsu_port *up = + container_of(port, struct uart_hsu_port, port); + unsigned char status; + unsigned int ret; + + status = serial_in(up, UART_MSR); + + ret = 0; + if (status & UART_MSR_DCD) + ret |= TIOCM_CAR; + if (status & UART_MSR_RI) + ret |= TIOCM_RNG; + if (status & UART_MSR_DSR) + ret |= TIOCM_DSR; + if (status & UART_MSR_CTS) + ret |= TIOCM_CTS; + return ret; +} + +static void serial_hsu_set_mctrl(struct uart_port *port, unsigned int mctrl) +{ + struct uart_hsu_port *up = + container_of(port, struct uart_hsu_port, port); + unsigned char mcr = 0; + + if (mctrl & TIOCM_RTS) + mcr |= UART_MCR_RTS; + if (mctrl & TIOCM_DTR) + mcr |= UART_MCR_DTR; + if (mctrl & TIOCM_OUT1) + mcr |= UART_MCR_OUT1; + if (mctrl & TIOCM_OUT2) + mcr |= UART_MCR_OUT2; + if (mctrl & TIOCM_LOOP) + mcr |= UART_MCR_LOOP; + + mcr |= up->mcr; + + serial_out(up, UART_MCR, mcr); +} + +static void serial_hsu_break_ctl(struct uart_port *port, int break_state) +{ + struct uart_hsu_port *up = + container_of(port, struct uart_hsu_port, port); + unsigned long flags; + + spin_lock_irqsave(&up->port.lock, flags); + if (break_state == -1) + up->lcr |= UART_LCR_SBC; + else + up->lcr &= ~UART_LCR_SBC; + serial_out(up, UART_LCR, up->lcr); + spin_unlock_irqrestore(&up->port.lock, flags); +} + +/* + * What special to do: + * 1. chose the 64B fifo mode + * 2. make sure not to select half empty mode for A0 stepping + * 3. start dma or pio depends on configuration + * 4. we only allocate dma memory when needed + */ +static int serial_hsu_startup(struct uart_port *port) +{ + struct uart_hsu_port *up = + container_of(port, struct uart_hsu_port, port); + unsigned long flags; + + /* + * Clear the FIFO buffers and disable them. + * (they will be reenabled in set_termios()) + */ + serial_out(up, UART_FCR, UART_FCR_ENABLE_FIFO); + serial_out(up, UART_FCR, UART_FCR_ENABLE_FIFO | + UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT); + serial_out(up, UART_FCR, 0); + + /* Clear the interrupt registers. */ + (void) serial_in(up, UART_LSR); + (void) serial_in(up, UART_RX); + (void) serial_in(up, UART_IIR); + (void) serial_in(up, UART_MSR); + + /* Now, initialize the UART, default is 8n1 */ + serial_out(up, UART_LCR, UART_LCR_WLEN8); + + spin_lock_irqsave(&up->port.lock, flags); + + up->port.mctrl |= TIOCM_OUT2; + serial_hsu_set_mctrl(&up->port, up->port.mctrl); + + /* + * Finally, enable interrupts. Note: Modem status interrupts + * are set via set_termios(), which will be occurring imminently + * anyway, so we don't enable them here. + */ + if (!up->use_dma) + up->ier = UART_IER_RLSI | UART_IER_RDI | UART_IER_RTOIE; + else + up->ier = 0; + serial_out(up, UART_IER, up->ier); + + spin_unlock_irqrestore(&up->port.lock, flags); + + /* DMA init */ + if (up->use_dma) { + struct hsu_dma_buffer *dbuf; + struct circ_buf *xmit = &port->state->xmit; + + up->dma_tx_on = 0; + + /* First allocate the RX buffer */ + dbuf = &up->rxbuf; + dbuf->buf = kzalloc(HSU_DMA_BUF_SIZE, GFP_KERNEL); + if (!dbuf->buf) { + up->use_dma = 0; + goto exit; + } + dbuf->dma_addr = dma_map_single(port->dev, + dbuf->buf, + HSU_DMA_BUF_SIZE, + DMA_FROM_DEVICE); + dbuf->dma_size = HSU_DMA_BUF_SIZE; + + /* Start the RX channel right now */ + hsu_dma_start_rx_chan(up->rxc, dbuf); + + /* Next init the TX DMA */ + dbuf = &up->txbuf; + dbuf->buf = xmit->buf; + dbuf->dma_addr = dma_map_single(port->dev, + dbuf->buf, + UART_XMIT_SIZE, + DMA_TO_DEVICE); + dbuf->dma_size = UART_XMIT_SIZE; + + /* This should not be changed all around */ + chan_writel(up->txc, HSU_CH_BSR, 32); + chan_writel(up->txc, HSU_CH_MOTSR, 4); + dbuf->ofs = 0; + } + +exit: + /* And clear the interrupt registers again for luck. */ + (void) serial_in(up, UART_LSR); + (void) serial_in(up, UART_RX); + (void) serial_in(up, UART_IIR); + (void) serial_in(up, UART_MSR); + + up->running = 1; + return 0; +} + +static void serial_hsu_shutdown(struct uart_port *port) +{ + struct uart_hsu_port *up = + container_of(port, struct uart_hsu_port, port); + unsigned long flags; + + del_timer_sync(&up->rxc->rx_timer); + + /* Disable interrupts from this port */ + up->ier = 0; + serial_out(up, UART_IER, 0); + up->running = 0; + + spin_lock_irqsave(&up->port.lock, flags); + up->port.mctrl &= ~TIOCM_OUT2; + serial_hsu_set_mctrl(&up->port, up->port.mctrl); + spin_unlock_irqrestore(&up->port.lock, flags); + + /* Disable break condition and FIFOs */ + serial_out(up, UART_LCR, serial_in(up, UART_LCR) & ~UART_LCR_SBC); + serial_out(up, UART_FCR, UART_FCR_ENABLE_FIFO | + UART_FCR_CLEAR_RCVR | + UART_FCR_CLEAR_XMIT); + serial_out(up, UART_FCR, 0); +} + +static void +serial_hsu_set_termios(struct uart_port *port, struct ktermios *termios, + struct ktermios *old) +{ + struct uart_hsu_port *up = + container_of(port, struct uart_hsu_port, port); + struct tty_struct *tty = port->state->port.tty; + unsigned char cval, fcr = 0; + unsigned long flags; + unsigned int baud, quot; + u32 mul = 0x3600; + u32 ps = 0x10; + + switch (termios->c_cflag & CSIZE) { + case CS5: + cval = UART_LCR_WLEN5; + break; + case CS6: + cval = UART_LCR_WLEN6; + break; + case CS7: + cval = UART_LCR_WLEN7; + break; + default: + case CS8: + cval = UART_LCR_WLEN8; + break; + } + + /* CMSPAR isn't supported by this driver */ + if (tty) + tty->termios->c_cflag &= ~CMSPAR; + + if (termios->c_cflag & CSTOPB) + cval |= UART_LCR_STOP; + if (termios->c_cflag & PARENB) + cval |= UART_LCR_PARITY; + if (!(termios->c_cflag & PARODD)) + cval |= UART_LCR_EPAR; + + /* + * For those basic low baud rate we can get the direct + * scalar from 2746800, like 115200 = 2746800/24, for those + * higher baud rate, we have to handle them case by case, + * but DIV reg is never touched as its default value 0x3d09 + */ + baud = uart_get_baud_rate(port, termios, old, 0, 4000000); + quot = uart_get_divisor(port, baud); + + switch (baud) { + case 3500000: + mul = 0x3345; + ps = 0xC; + quot = 1; + break; + case 2500000: + mul = 0x2710; + ps = 0x10; + quot = 1; + break; + case 18432000: + mul = 0x2400; + ps = 0x10; + quot = 1; + break; + case 1500000: + mul = 0x1D4C; + ps = 0xc; + quot = 1; + break; + default: + ; + } + + if ((up->port.uartclk / quot) < (2400 * 16)) + fcr = UART_FCR_ENABLE_FIFO | UART_FCR_HSU_64_1B; + else if ((up->port.uartclk / quot) < (230400 * 16)) + fcr = UART_FCR_ENABLE_FIFO | UART_FCR_HSU_64_16B; + else + fcr = UART_FCR_ENABLE_FIFO | UART_FCR_HSU_64_32B; + + fcr |= UART_FCR_HSU_64B_FIFO; +#ifdef MFD_HSU_A0_STEPPING + /* A0 doesn't support half empty IRQ */ + fcr |= UART_FCR_FULL_EMPT_TXI; +#endif + + /* + * Ok, we're now changing the port state. Do it with + * interrupts disabled. + */ + spin_lock_irqsave(&up->port.lock, flags); + + /* Update the per-port timeout */ + uart_update_timeout(port, termios->c_cflag, baud); + + up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; + if (termios->c_iflag & INPCK) + up->port.read_status_mask |= UART_LSR_FE | UART_LSR_PE; + if (termios->c_iflag & (BRKINT | PARMRK)) + up->port.read_status_mask |= UART_LSR_BI; + + /* Characters to ignore */ + up->port.ignore_status_mask = 0; + if (termios->c_iflag & IGNPAR) + up->port.ignore_status_mask |= UART_LSR_PE | UART_LSR_FE; + if (termios->c_iflag & IGNBRK) { + up->port.ignore_status_mask |= UART_LSR_BI; + /* + * If we're ignoring parity and break indicators, + * ignore overruns too (for real raw support). + */ + if (termios->c_iflag & IGNPAR) + up->port.ignore_status_mask |= UART_LSR_OE; + } + + /* Ignore all characters if CREAD is not set */ + if ((termios->c_cflag & CREAD) == 0) + up->port.ignore_status_mask |= UART_LSR_DR; + + /* + * CTS flow control flag and modem status interrupts, disable + * MSI by default + */ + up->ier &= ~UART_IER_MSI; + if (UART_ENABLE_MS(&up->port, termios->c_cflag)) + up->ier |= UART_IER_MSI; + + serial_out(up, UART_IER, up->ier); + + if (termios->c_cflag & CRTSCTS) + up->mcr |= UART_MCR_AFE | UART_MCR_RTS; + else + up->mcr &= ~UART_MCR_AFE; + + serial_out(up, UART_LCR, cval | UART_LCR_DLAB); /* set DLAB */ + serial_out(up, UART_DLL, quot & 0xff); /* LS of divisor */ + serial_out(up, UART_DLM, quot >> 8); /* MS of divisor */ + serial_out(up, UART_LCR, cval); /* reset DLAB */ + serial_out(up, UART_MUL, mul); /* set MUL */ + serial_out(up, UART_PS, ps); /* set PS */ + up->lcr = cval; /* Save LCR */ + serial_hsu_set_mctrl(&up->port, up->port.mctrl); + serial_out(up, UART_FCR, fcr); + spin_unlock_irqrestore(&up->port.lock, flags); +} + +static void +serial_hsu_pm(struct uart_port *port, unsigned int state, + unsigned int oldstate) +{ +} + +static void serial_hsu_release_port(struct uart_port *port) +{ +} + +static int serial_hsu_request_port(struct uart_port *port) +{ + return 0; +} + +static void serial_hsu_config_port(struct uart_port *port, int flags) +{ + struct uart_hsu_port *up = + container_of(port, struct uart_hsu_port, port); + up->port.type = PORT_MFD; +} + +static int +serial_hsu_verify_port(struct uart_port *port, struct serial_struct *ser) +{ + /* We don't want the core code to modify any port params */ + return -EINVAL; +} + +static const char * +serial_hsu_type(struct uart_port *port) +{ + struct uart_hsu_port *up = + container_of(port, struct uart_hsu_port, port); + return up->name; +} + +/* Mainly for uart console use */ +static struct uart_hsu_port *serial_hsu_ports[3]; +static struct uart_driver serial_hsu_reg; + +#ifdef CONFIG_SERIAL_MFD_HSU_CONSOLE + +#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE) + +/* Wait for transmitter & holding register to empty */ +static inline void wait_for_xmitr(struct uart_hsu_port *up) +{ + unsigned int status, tmout = 1000; + + /* Wait up to 1ms for the character to be sent. */ + do { + status = serial_in(up, UART_LSR); + + if (status & UART_LSR_BI) + up->lsr_break_flag = UART_LSR_BI; + + if (--tmout == 0) + break; + udelay(1); + } while (!(status & BOTH_EMPTY)); + + /* Wait up to 1s for flow control if necessary */ + if (up->port.flags & UPF_CONS_FLOW) { + tmout = 1000000; + while (--tmout && + ((serial_in(up, UART_MSR) & UART_MSR_CTS) == 0)) + udelay(1); + } +} + +static void serial_hsu_console_putchar(struct uart_port *port, int ch) +{ + struct uart_hsu_port *up = + container_of(port, struct uart_hsu_port, port); + + wait_for_xmitr(up); + serial_out(up, UART_TX, ch); +} + +/* + * Print a string to the serial port trying not to disturb + * any possible real use of the port... + * + * The console_lock must be held when we get here. + */ +static void +serial_hsu_console_write(struct console *co, const char *s, unsigned int count) +{ + struct uart_hsu_port *up = serial_hsu_ports[co->index]; + unsigned long flags; + unsigned int ier; + int locked = 1; + + local_irq_save(flags); + if (up->port.sysrq) + locked = 0; + else if (oops_in_progress) { + locked = spin_trylock(&up->port.lock); + } else + spin_lock(&up->port.lock); + + /* First save the IER then disable the interrupts */ + ier = serial_in(up, UART_IER); + serial_out(up, UART_IER, 0); + + uart_console_write(&up->port, s, count, serial_hsu_console_putchar); + + /* + * Finally, wait for transmitter to become empty + * and restore the IER + */ + wait_for_xmitr(up); + serial_out(up, UART_IER, ier); + + if (locked) + spin_unlock(&up->port.lock); + local_irq_restore(flags); +} + +static struct console serial_hsu_console; + +static int __init +serial_hsu_console_setup(struct console *co, char *options) +{ + struct uart_hsu_port *up; + int baud = 115200; + int bits = 8; + int parity = 'n'; + int flow = 'n'; + int ret; + + if (co->index == -1 || co->index >= serial_hsu_reg.nr) + co->index = 0; + up = serial_hsu_ports[co->index]; + if (!up) + return -ENODEV; + + if (options) + uart_parse_options(options, &baud, &parity, &bits, &flow); + + ret = uart_set_options(&up->port, co, baud, parity, bits, flow); + + return ret; +} + +static struct console serial_hsu_console = { + .name = "ttyMFD", + .write = serial_hsu_console_write, + .device = uart_console_device, + .setup = serial_hsu_console_setup, + .flags = CON_PRINTBUFFER, + .index = 2, + .data = &serial_hsu_reg, +}; +#endif + +struct uart_ops serial_hsu_pops = { + .tx_empty = serial_hsu_tx_empty, + .set_mctrl = serial_hsu_set_mctrl, + .get_mctrl = serial_hsu_get_mctrl, + .stop_tx = serial_hsu_stop_tx, + .start_tx = serial_hsu_start_tx, + .stop_rx = serial_hsu_stop_rx, + .enable_ms = serial_hsu_enable_ms, + .break_ctl = serial_hsu_break_ctl, + .startup = serial_hsu_startup, + .shutdown = serial_hsu_shutdown, + .set_termios = serial_hsu_set_termios, + .pm = serial_hsu_pm, + .type = serial_hsu_type, + .release_port = serial_hsu_release_port, + .request_port = serial_hsu_request_port, + .config_port = serial_hsu_config_port, + .verify_port = serial_hsu_verify_port, +}; + +static struct uart_driver serial_hsu_reg = { + .owner = THIS_MODULE, + .driver_name = "MFD serial", + .dev_name = "ttyMFD", + .major = TTY_MAJOR, + .minor = 128, + .nr = 3, +}; + +#ifdef CONFIG_PM +static int serial_hsu_suspend(struct pci_dev *pdev, pm_message_t state) +{ + void *priv = pci_get_drvdata(pdev); + struct uart_hsu_port *up; + + /* Make sure this is not the internal dma controller */ + if (priv && (pdev->device != 0x081E)) { + up = priv; + uart_suspend_port(&serial_hsu_reg, &up->port); + } + + pci_save_state(pdev); + pci_set_power_state(pdev, pci_choose_state(pdev, state)); + return 0; +} + +static int serial_hsu_resume(struct pci_dev *pdev) +{ + void *priv = pci_get_drvdata(pdev); + struct uart_hsu_port *up; + int ret; + + pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); + + ret = pci_enable_device(pdev); + if (ret) + dev_warn(&pdev->dev, + "HSU: can't re-enable device, try to continue\n"); + + if (priv && (pdev->device != 0x081E)) { + up = priv; + uart_resume_port(&serial_hsu_reg, &up->port); + } + return 0; +} +#else +#define serial_hsu_suspend NULL +#define serial_hsu_resume NULL +#endif + +/* temp global pointer before we settle down on using one or four PCI dev */ +static struct hsu_port *phsu; + +static int serial_hsu_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + struct uart_hsu_port *uport; + int index, ret; + + printk(KERN_INFO "HSU: found PCI Serial controller(ID: %04x:%04x)\n", + pdev->vendor, pdev->device); + + switch (pdev->device) { + case 0x081B: + index = 0; + break; + case 0x081C: + index = 1; + break; + case 0x081D: + index = 2; + break; + case 0x081E: + /* internal DMA controller */ + index = 3; + break; + default: + dev_err(&pdev->dev, "HSU: out of index!"); + return -ENODEV; + } + + ret = pci_enable_device(pdev); + if (ret) + return ret; + + if (index == 3) { + /* DMA controller */ + ret = request_irq(pdev->irq, dma_irq, 0, "hsu_dma", phsu); + if (ret) { + dev_err(&pdev->dev, "can not get IRQ\n"); + goto err_disable; + } + pci_set_drvdata(pdev, phsu); + } else { + /* UART port 0~2 */ + uport = &phsu->port[index]; + uport->port.irq = pdev->irq; + uport->port.dev = &pdev->dev; + uport->dev = &pdev->dev; + + ret = request_irq(pdev->irq, port_irq, 0, uport->name, uport); + if (ret) { + dev_err(&pdev->dev, "can not get IRQ\n"); + goto err_disable; + } + uart_add_one_port(&serial_hsu_reg, &uport->port); + +#ifdef CONFIG_SERIAL_MFD_HSU_CONSOLE + if (index == 2) { + register_console(&serial_hsu_console); + uport->port.cons = &serial_hsu_console; + } +#endif + pci_set_drvdata(pdev, uport); + } + + return 0; + +err_disable: + pci_disable_device(pdev); + return ret; +} + +static void hsu_dma_rx_timeout(unsigned long data) +{ + struct hsu_dma_chan *chan = (void *)data; + struct uart_hsu_port *up = chan->uport; + struct hsu_dma_buffer *dbuf = &up->rxbuf; + int count = 0; + unsigned long flags; + + spin_lock_irqsave(&up->port.lock, flags); + + count = chan_readl(chan, HSU_CH_D0SAR) - dbuf->dma_addr; + + if (!count) { + mod_timer(&chan->rx_timer, jiffies + HSU_DMA_TIMEOUT_CHECK_FREQ); + goto exit; + } + + hsu_dma_rx(up, 0); +exit: + spin_unlock_irqrestore(&up->port.lock, flags); +} + +static void hsu_global_init(void) +{ + struct hsu_port *hsu; + struct uart_hsu_port *uport; + struct hsu_dma_chan *dchan; + int i, ret; + + hsu = kzalloc(sizeof(struct hsu_port), GFP_KERNEL); + if (!hsu) + return; + + /* Get basic io resource and map it */ + hsu->paddr = 0xffa28000; + hsu->iolen = 0x1000; + + if (!(request_mem_region(hsu->paddr, hsu->iolen, "HSU global"))) + pr_warning("HSU: error in request mem region\n"); + + hsu->reg = ioremap_nocache((unsigned long)hsu->paddr, hsu->iolen); + if (!hsu->reg) { + pr_err("HSU: error in ioremap\n"); + ret = -ENOMEM; + goto err_free_region; + } + + /* Initialise the 3 UART ports */ + uport = hsu->port; + for (i = 0; i < 3; i++) { + uport->port.type = PORT_MFD; + uport->port.iotype = UPIO_MEM; + uport->port.mapbase = (resource_size_t)hsu->paddr + + HSU_PORT_REG_OFFSET + + i * HSU_PORT_REG_LENGTH; + uport->port.membase = hsu->reg + HSU_PORT_REG_OFFSET + + i * HSU_PORT_REG_LENGTH; + + sprintf(uport->name, "hsu_port%d", i); + uport->port.fifosize = 64; + uport->port.ops = &serial_hsu_pops; + uport->port.line = i; + uport->port.flags = UPF_IOREMAP; + /* set the scalable maxim support rate to 2746800 bps */ + uport->port.uartclk = 115200 * 24 * 16; + + uport->running = 0; + uport->txc = &hsu->chans[i * 2]; + uport->rxc = &hsu->chans[i * 2 + 1]; + + serial_hsu_ports[i] = uport; + uport->index = i; + uport++; + } + + /* Initialise 6 dma channels */ + dchan = hsu->chans; + for (i = 0; i < 6; i++) { + dchan->id = i; + dchan->dirt = (i & 0x1) ? DMA_FROM_DEVICE : DMA_TO_DEVICE; + dchan->uport = &hsu->port[i/2]; + dchan->reg = hsu->reg + HSU_DMA_CHANS_REG_OFFSET + + i * HSU_DMA_CHANS_REG_LENGTH; + + /* Work around for RX */ + if (dchan->dirt == DMA_FROM_DEVICE) { + init_timer(&dchan->rx_timer); + dchan->rx_timer.function = hsu_dma_rx_timeout; + dchan->rx_timer.data = (unsigned long)dchan; + } + dchan++; + } + + phsu = hsu; + + hsu_debugfs_init(hsu); + return; + +err_free_region: + release_mem_region(hsu->paddr, hsu->iolen); + kfree(hsu); + return; +} + +static void serial_hsu_remove(struct pci_dev *pdev) +{ + struct hsu_port *hsu; + int i; + + hsu = pci_get_drvdata(pdev); + if (!hsu) + return; + + for (i = 0; i < 3; i++) + uart_remove_one_port(&serial_hsu_reg, &hsu->port[i].port); + + pci_set_drvdata(pdev, NULL); + free_irq(hsu->irq, hsu); + pci_disable_device(pdev); +} + +/* First 3 are UART ports, and the 4th is the DMA */ +static const struct pci_device_id pci_ids[] __devinitdata = { + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x081B) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x081C) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x081D) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x081E) }, + {}, +}; + +static struct pci_driver hsu_pci_driver = { + .name = "HSU serial", + .id_table = pci_ids, + .probe = serial_hsu_probe, + .remove = __devexit_p(serial_hsu_remove), + .suspend = serial_hsu_suspend, + .resume = serial_hsu_resume, +}; + +static int __init hsu_pci_init(void) +{ + int ret; + + hsu_global_init(); + + ret = uart_register_driver(&serial_hsu_reg); + if (ret) + return ret; + + return pci_register_driver(&hsu_pci_driver); +} + +static void __exit hsu_pci_exit(void) +{ + pci_unregister_driver(&hsu_pci_driver); + uart_unregister_driver(&serial_hsu_reg); + + hsu_debugfs_remove(phsu); + + kfree(phsu); +} + +module_init(hsu_pci_init); +module_exit(hsu_pci_exit); + +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:medfield-hsu"); diff --git a/drivers/serial/mrst_max3110.c b/drivers/serial/mrst_max3110.c new file mode 100644 index 0000000..f6ad1ec --- /dev/null +++ b/drivers/serial/mrst_max3110.c @@ -0,0 +1,844 @@ +/* + * max3110.c - spi uart protocol driver for Maxim 3110 on Moorestown + * + * Copyright (C) Intel 2008 Feng Tang <feng.tang@intel.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + */ + +/* + * Note: + * 1. From Max3110 spec, the Rx FIFO has 8 words, while the Tx FIFO only has + * 1 word. If SPI master controller doesn't support sclk frequency change, + * then the char need be sent out one by one with some delay + * + * 2. Currently only RX availabe interrrupt is used, no need for waiting TXE + * interrupt for a low speed UART device + */ + +#include <linux/module.h> +#include <linux/ioport.h> +#include <linux/init.h> +#include <linux/console.h> +#include <linux/sysrq.h> +#include <linux/platform_device.h> +#include <linux/tty.h> +#include <linux/tty_flip.h> +#include <linux/serial_core.h> +#include <linux/serial_reg.h> + +#include <linux/kthread.h> +#include <linux/delay.h> +#include <asm/atomic.h> +#include <linux/spi/spi.h> +#include <linux/spi/dw_spi.h> + +#include "mrst_max3110.h" + +#define PR_FMT "mrst_max3110: " + +#define UART_TX_NEEDED 1 +#define CON_TX_NEEDED 2 +#define BIT_IRQ_PENDING 3 + +struct uart_max3110 { + struct uart_port port; + struct spi_device *spi; + char *name; + + wait_queue_head_t wq; + struct task_struct *main_thread; + struct task_struct *read_thread; + struct mutex thread_mutex;; + + u32 baud; + u16 cur_conf; + u8 clock; + u8 parity, word_7bits; + + unsigned long uart_flags; + + /* console related */ + struct circ_buf con_xmit; + + /* irq related */ + u16 irq; +}; + +/* global data structure, may need be removed */ +struct uart_max3110 *pmax; +static inline void receive_char(struct uart_max3110 *max, u8 ch); +static void receive_chars(struct uart_max3110 *max, + unsigned char *str, int len); +static int max3110_read_multi(struct uart_max3110 *max, int len, u8 *buf); +static void max3110_console_receive(struct uart_max3110 *max); + +int max3110_write_then_read(struct uart_max3110 *max, + const u8 *txbuf, u8 *rxbuf, unsigned len, int always_fast) +{ + struct spi_device *spi = max->spi; + struct spi_message message; + struct spi_transfer x; + int ret; + + if (!txbuf || !rxbuf) + return -EINVAL; + + spi_message_init(&message); + memset(&x, 0, sizeof x); + x.len = len; + x.tx_buf = txbuf; + x.rx_buf = rxbuf; + spi_message_add_tail(&x, &message); + + if (always_fast) + x.speed_hz = 3125000; + else if (max->baud) + x.speed_hz = max->baud; + + /* Do the i/o */ + ret = spi_sync(spi, &message); + return ret; +} + +/* Write a u16 to the device, and return one u16 read back */ +int max3110_out(struct uart_max3110 *max, const u16 out) +{ + u16 tmp; + int ret; + + ret = max3110_write_then_read(max, (u8 *)&out, (u8 *)&tmp, 2, 1); + if (ret) + return ret; + + /* If some valid data is read back */ + if (tmp & MAX3110_READ_DATA_AVAILABLE) + receive_char(max, (tmp & 0xff)); + + return ret; +} + +#define MAX_READ_LEN 20 +/* + * This is usually used to read data from SPIC RX FIFO, which doesn't + * need any delay like flushing character out. It returns how many + * valide bytes are read back + */ +static int max3110_read_multi(struct uart_max3110 *max, int len, u8 *buf) +{ + u16 out[MAX_READ_LEN], in[MAX_READ_LEN]; + u8 *pbuf, valid_str[MAX_READ_LEN]; + int i, j, bytelen; + + if (len > MAX_READ_LEN) { + pr_err(PR_FMT "read len %d is too large\n", len); + return 0; + } + + bytelen = len * 2; + memset(out, 0, bytelen); + memset(in, 0, bytelen); + + if (max3110_write_then_read(max, (u8 *)out, (u8 *)in, bytelen, 1)) + return 0; + + /* If caller don't provide a buffer, then handle received char */ + pbuf = buf ? buf : valid_str; + + for (i = 0, j = 0; i < len; i++) { + if (in[i] & MAX3110_READ_DATA_AVAILABLE) + pbuf[j++] = (u8)(in[i] & 0xff); + } + + if (j && (pbuf == valid_str)) + receive_chars(max, valid_str, j); + + return j; +} + +static void serial_m3110_con_putchar(struct uart_port *port, int ch) +{ + struct uart_max3110 *max = + container_of(port, struct uart_max3110, port); + struct circ_buf *xmit = &max->con_xmit; + + if (uart_circ_chars_free(xmit)) { + xmit->buf[xmit->head] = (char)ch; + xmit->head = (xmit->head + 1) & (PAGE_SIZE - 1); + } + + + if (!test_and_set_bit(CON_TX_NEEDED, &max->uart_flags)) + wake_up_process(max->main_thread); +} + +/* + * Print a string to the serial port trying not to disturb + * any possible real use of the port... + * + * The console_lock must be held when we get here. + */ +static void serial_m3110_con_write(struct console *co, + const char *s, unsigned int count) +{ + if (!pmax) + return; + + uart_console_write(&pmax->port, s, count, serial_m3110_con_putchar); +} + +static int __init +serial_m3110_con_setup(struct console *co, char *options) +{ + struct uart_max3110 *max = pmax; + int baud = 115200; + int bits = 8; + int parity = 'n'; + int flow = 'n'; + + pr_info(PR_FMT "setting up console\n"); + + if (!max) { + pr_err(PR_FMT "pmax is NULL, return"); + return -ENODEV; + } + + if (options) + uart_parse_options(options, &baud, &parity, &bits, &flow); + + return uart_set_options(&max->port, co, baud, parity, bits, flow); +} + +static struct tty_driver *serial_m3110_con_device(struct console *co, + int *index) +{ + struct uart_driver *p = co->data; + *index = co->index; + return p->tty_driver; +} + +static struct uart_driver serial_m3110_reg; +static struct console serial_m3110_console = { + .name = "ttyS", + .write = serial_m3110_con_write, + .device = serial_m3110_con_device, + .setup = serial_m3110_con_setup, + .flags = CON_PRINTBUFFER, + .index = -1, + .data = &serial_m3110_reg, +}; + +#define MRST_CONSOLE (&serial_m3110_console) + +static unsigned int serial_m3110_tx_empty(struct uart_port *port) +{ + return 1; +} + +static void serial_m3110_stop_tx(struct uart_port *port) +{ + return; +} + +/* stop_rx will be called in spin_lock env */ +static void serial_m3110_stop_rx(struct uart_port *port) +{ + return; +} + +#define WORDS_PER_XFER 128 +static inline void send_circ_buf(struct uart_max3110 *max, + struct circ_buf *xmit) +{ + int len, left = 0; + u16 obuf[WORDS_PER_XFER], ibuf[WORDS_PER_XFER]; + u8 valid_str[WORDS_PER_XFER]; + int i, j; + + while (!uart_circ_empty(xmit)) { + left = uart_circ_chars_pending(xmit); + while (left) { + len = (left >= WORDS_PER_XFER) ? WORDS_PER_XFER : left; + + memset(obuf, 0, len * 2); + memset(ibuf, 0, len * 2); + for (i = 0; i < len; i++) { + obuf[i] = (u8)xmit->buf[xmit->tail] | WD_TAG; + xmit->tail = (xmit->tail + 1) & + (UART_XMIT_SIZE - 1); + } + max3110_write_then_read(max, (u8 *)obuf, + (u8 *)ibuf, len * 2, 0); + + for (i = 0, j = 0; i < len; i++) { + if (ibuf[i] & MAX3110_READ_DATA_AVAILABLE) + valid_str[j++] = (u8)(ibuf[i] & 0xff); + } + + if (j) + receive_chars(max, valid_str, j); + + max->port.icount.tx += len; + left -= len; + } + } +} + +static void transmit_char(struct uart_max3110 *max) +{ + struct uart_port *port = &max->port; + struct circ_buf *xmit = &port->state->xmit; + + if (uart_circ_empty(xmit) || uart_tx_stopped(port)) + return; + + send_circ_buf(max, xmit); + + if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) + uart_write_wakeup(port); + + if (uart_circ_empty(xmit)) + serial_m3110_stop_tx(port); +} + +/* This will be called by uart_write() and tty_write, can't + * go to sleep */ +static void serial_m3110_start_tx(struct uart_port *port) +{ + struct uart_max3110 *max = + container_of(port, struct uart_max3110, port); + + if (!test_and_set_bit(UART_TX_NEEDED, &max->uart_flags)) + wake_up_process(max->main_thread); +} + +static void receive_chars(struct uart_max3110 *max, unsigned char *str, int len) +{ + struct uart_port *port = &max->port; + struct tty_struct *tty; + int usable; + + /* If uart is not opened, just return */ + if (!port->state) + return; + + tty = port->state->port.tty; + if (!tty) + return; /* receive some char before the tty is opened */ + + while (len) { + usable = tty_buffer_request_room(tty, len); + if (usable) { + tty_insert_flip_string(tty, str, usable); + str += usable; + port->icount.rx += usable; + tty_flip_buffer_push(tty); + } + len -= usable; + } +} + +static inline void receive_char(struct uart_max3110 *max, u8 ch) +{ + receive_chars(max, &ch, 1); +} + +static void max3110_console_receive(struct uart_max3110 *max) +{ + int loop = 1, num, total = 0; + u8 recv_buf[512], *pbuf; + + pbuf = recv_buf; + do { + num = max3110_read_multi(max, 8, pbuf); + + if (num) { + loop = 10; + pbuf += num; + total += num; + + if (total >= 500) { + receive_chars(max, recv_buf, total); + pbuf = recv_buf; + total = 0; + } + } + } while (--loop); + + if (total) + receive_chars(max, recv_buf, total); +} + +static int max3110_main_thread(void *_max) +{ + struct uart_max3110 *max = _max; + wait_queue_head_t *wq = &max->wq; + int ret = 0; + struct circ_buf *xmit = &max->con_xmit; + + init_waitqueue_head(wq); + pr_info(PR_FMT "start main thread\n"); + + do { + wait_event_interruptible(*wq, max->uart_flags || kthread_should_stop()); + + mutex_lock(&max->thread_mutex); + + if (test_and_clear_bit(BIT_IRQ_PENDING, &max->uart_flags)) + max3110_console_receive(max); + + /* first handle console output */ + if (test_and_clear_bit(CON_TX_NEEDED, &max->uart_flags)) + send_circ_buf(max, xmit); + + /* handle uart output */ + if (test_and_clear_bit(UART_TX_NEEDED, &max->uart_flags)) + transmit_char(max); + + mutex_unlock(&max->thread_mutex); + + } while (!kthread_should_stop()); + + return ret; +} + +#ifdef CONFIG_MRST_MAX3110_IRQ +static irqreturn_t serial_m3110_irq(int irq, void *dev_id) +{ + struct uart_max3110 *max = dev_id; + + /* max3110's irq is a falling edge, not level triggered, + * so no need to disable the irq */ + if (!test_and_set_bit(BIT_IRQ_PENDING, &max->uart_flags)) + wake_up_process(max->main_thread); + + return IRQ_HANDLED; +} +#else +/* if don't use RX IRQ, then need a thread to polling read */ +static int max3110_read_thread(void *_max) +{ + struct uart_max3110 *max = _max; + + pr_info(PR_FMT "start read thread\n"); + do { + mutex_lock(&max->thread_mutex); + max3110_console_receive(max); + mutex_unlock(&max->thread_mutex); + + set_current_state(TASK_INTERRUPTIBLE); + schedule_timeout(HZ / 20); + } while (!kthread_should_stop()); + + return 0; +} +#endif + +static int serial_m3110_startup(struct uart_port *port) +{ + struct uart_max3110 *max = + container_of(port, struct uart_max3110, port); + u16 config = 0; + int ret = 0; + + if (port->line != 0) + pr_err(PR_FMT "uart port startup failed\n"); + + /* firstly disable all IRQ and config it to 115200, 8n1 */ + config = WC_TAG | WC_FIFO_ENABLE + | WC_1_STOPBITS + | WC_8BIT_WORD + | WC_BAUD_DR2; + ret = max3110_out(max, config); + + /* as we use thread to handle tx/rx, need set low latency */ + port->state->port.tty->low_latency = 1; + +#ifdef CONFIG_MRST_MAX3110_IRQ + ret = request_irq(max->irq, serial_m3110_irq, + IRQ_TYPE_EDGE_FALLING, "max3110", max); + if (ret) + return ret; + + /* enable RX IRQ only */ + config |= WC_RXA_IRQ_ENABLE; + max3110_out(max, config); +#else + /* if IRQ is disabled, start a read thread for input data */ + max->read_thread = + kthread_run(max3110_read_thread, max, "max3110_read"); +#endif + + max->cur_conf = config; + return 0; +} + +static void serial_m3110_shutdown(struct uart_port *port) +{ + struct uart_max3110 *max = + container_of(port, struct uart_max3110, port); + u16 config; + + if (max->read_thread) { + kthread_stop(max->read_thread); + max->read_thread = NULL; + } + +#ifdef CONFIG_MRST_MAX3110_IRQ + free_irq(max->irq, max); +#endif + + /* Disable interrupts from this port */ + config = WC_TAG | WC_SW_SHDI; + max3110_out(max, config); +} + +static void serial_m3110_release_port(struct uart_port *port) +{ +} + +static int serial_m3110_request_port(struct uart_port *port) +{ + return 0; +} + +static void serial_m3110_config_port(struct uart_port *port, int flags) +{ + /* give it fake type */ + port->type = PORT_PXA; +} + +static int +serial_m3110_verify_port(struct uart_port *port, struct serial_struct *ser) +{ + /* we don't want the core code to modify any port params */ + return -EINVAL; +} + + +static const char *serial_m3110_type(struct uart_port *port) +{ + struct uart_max3110 *max = + container_of(port, struct uart_max3110, port); + return max->name; +} + +static void +serial_m3110_set_termios(struct uart_port *port, struct ktermios *termios, + struct ktermios *old) +{ + struct uart_max3110 *max = + container_of(port, struct uart_max3110, port); + unsigned char cval; + unsigned int baud, parity = 0; + int clk_div = -1; + u16 new_conf = max->cur_conf; + + switch (termios->c_cflag & CSIZE) { + case CS7: + cval = UART_LCR_WLEN7; + new_conf |= WC_7BIT_WORD; + break; + default: + case CS8: + cval = UART_LCR_WLEN8; + new_conf |= WC_8BIT_WORD; + break; + } + + baud = uart_get_baud_rate(port, termios, old, 0, 230400); + + /* first calc the div for 1.8MHZ clock case */ + switch (baud) { + case 300: + clk_div = WC_BAUD_DR384; + break; + case 600: + clk_div = WC_BAUD_DR192; + break; + case 1200: + clk_div = WC_BAUD_DR96; + break; + case 2400: + clk_div = WC_BAUD_DR48; + break; + case 4800: + clk_div = WC_BAUD_DR24; + break; + case 9600: + clk_div = WC_BAUD_DR12; + break; + case 19200: + clk_div = WC_BAUD_DR6; + break; + case 38400: + clk_div = WC_BAUD_DR3; + break; + case 57600: + clk_div = WC_BAUD_DR2; + break; + case 115200: + clk_div = WC_BAUD_DR1; + break; + case 230400: + if (max->clock & MAX3110_HIGH_CLK) + break; + default: + /* pick the previous baud rate */ + baud = max->baud; + clk_div = max->cur_conf & WC_BAUD_DIV_MASK; + tty_termios_encode_baud_rate(termios, baud, baud); + } + + if (max->clock & MAX3110_HIGH_CLK) { + clk_div += 1; + /* high clk version max3110 doesn't support B300 */ + if (baud == 300) + baud = 600; + if (baud == 230400) + clk_div = WC_BAUD_DR1; + tty_termios_encode_baud_rate(termios, baud, baud); + } + + new_conf = (new_conf & ~WC_BAUD_DIV_MASK) | clk_div; + if (termios->c_cflag & CSTOPB) + new_conf |= WC_2_STOPBITS; + else + new_conf &= ~WC_2_STOPBITS; + + if (termios->c_cflag & PARENB) { + new_conf |= WC_PARITY_ENABLE; + parity |= UART_LCR_PARITY; + } else + new_conf &= ~WC_PARITY_ENABLE; + + if (!(termios->c_cflag & PARODD)) + parity |= UART_LCR_EPAR; + max->parity = parity; + + uart_update_timeout(port, termios->c_cflag, baud); + + new_conf |= WC_TAG; + if (new_conf != max->cur_conf) { + max3110_out(max, new_conf); + max->cur_conf = new_conf; + max->baud = baud; + } +} + +/* don't handle hw handshaking */ +static unsigned int serial_m3110_get_mctrl(struct uart_port *port) +{ + return TIOCM_DSR | TIOCM_CAR | TIOCM_DSR; +} + +static void serial_m3110_set_mctrl(struct uart_port *port, unsigned int mctrl) +{ +} + +static void serial_m3110_break_ctl(struct uart_port *port, int break_state) +{ +} + +static void serial_m3110_pm(struct uart_port *port, unsigned int state, + unsigned int oldstate) +{ +} + +static void serial_m3110_enable_ms(struct uart_port *port) +{ +} + +struct uart_ops serial_m3110_ops = { + .tx_empty = serial_m3110_tx_empty, + .set_mctrl = serial_m3110_set_mctrl, + .get_mctrl = serial_m3110_get_mctrl, + .stop_tx = serial_m3110_stop_tx, + .start_tx = serial_m3110_start_tx, + .stop_rx = serial_m3110_stop_rx, + .enable_ms = serial_m3110_enable_ms, + .break_ctl = serial_m3110_break_ctl, + .startup = serial_m3110_startup, + .shutdown = serial_m3110_shutdown, + .set_termios = serial_m3110_set_termios, /* must have */ + .pm = serial_m3110_pm, + .type = serial_m3110_type, + .release_port = serial_m3110_release_port, + .request_port = serial_m3110_request_port, + .config_port = serial_m3110_config_port, + .verify_port = serial_m3110_verify_port, +}; + +static struct uart_driver serial_m3110_reg = { + .owner = THIS_MODULE, + .driver_name = "MRST serial", + .dev_name = "ttyS", + .major = TTY_MAJOR, + .minor = 64, + .nr = 1, + .cons = MRST_CONSOLE, +}; + +static int serial_m3110_suspend(struct spi_device *spi, pm_message_t state) +{ + return 0; +} + +static int serial_m3110_resume(struct spi_device *spi) +{ + return 0; +} + +static struct dw_spi_chip spi0_uart = { + .poll_mode = 1, + .enable_dma = 0, + .type = SPI_FRF_SPI, +}; + +static int serial_m3110_probe(struct spi_device *spi) +{ + struct uart_max3110 *max; + int ret; + unsigned char *buffer; + u16 res; + max = kzalloc(sizeof(*max), GFP_KERNEL); + if (!max) + return -ENOMEM; + + /* set spi info */ + spi->mode = SPI_MODE_0; + spi->bits_per_word = 16; + max->clock = MAX3110_HIGH_CLK; + spi->controller_data = &spi0_uart; + + spi_setup(spi); + + max->port.type = PORT_PXA; /* need apply for a max3110 type */ + max->port.fifosize = 2; /* only have 16b buffer */ + max->port.ops = &serial_m3110_ops; + max->port.line = 0; + max->port.dev = &spi->dev; + max->port.uartclk = 115200; + + max->spi = spi; + max->name = spi->modalias; /* use spi name as the name */ + max->irq = (u16)spi->irq; + + mutex_init(&max->thread_mutex); + + max->word_7bits = 0; + max->parity = 0; + max->baud = 0; + + max->cur_conf = 0; + max->uart_flags = 0; + + /* Check if reading configuration register returns something sane */ + + res = RC_TAG; + ret = max3110_write_then_read(max, (u8 *)&res, (u8 *)&res, 2, 0); + if (ret < 0 || res == 0 || res == 0xffff) { + printk(KERN_ERR "MAX3111 deemed not present (conf reg %04x)", + res); + ret = -ENODEV; + goto err_get_page; + } + buffer = (unsigned char *)__get_free_page(GFP_KERNEL); + if (!buffer) { + ret = -ENOMEM; + goto err_get_page; + } + max->con_xmit.buf = (unsigned char *)buffer; + max->con_xmit.head = max->con_xmit.tail = 0; + + max->main_thread = kthread_run(max3110_main_thread, + max, "max3110_main"); + if (IS_ERR(max->main_thread)) { + ret = PTR_ERR(max->main_thread); + goto err_kthread; + } + + pmax = max; + /* give membase a psudo value to pass serial_core's check */ + max->port.membase = (void *)0xff110000; + uart_add_one_port(&serial_m3110_reg, &max->port); + + return 0; + +err_kthread: + free_page((unsigned long)buffer); +err_get_page: + pmax = NULL; + kfree(max); + return ret; +} + +static int max3110_remove(struct spi_device *dev) +{ + struct uart_max3110 *max = pmax; + + if (!pmax) + return 0; + + pmax = NULL; + uart_remove_one_port(&serial_m3110_reg, &max->port); + + free_page((unsigned long)max->con_xmit.buf); + + if (max->main_thread) + kthread_stop(max->main_thread); + + kfree(max); + return 0; +} + +static struct spi_driver uart_max3110_driver = { + .driver = { + .name = "spi_max3111", + .bus = &spi_bus_type, + .owner = THIS_MODULE, + }, + .probe = serial_m3110_probe, + .remove = __devexit_p(max3110_remove), + .suspend = serial_m3110_suspend, + .resume = serial_m3110_resume, +}; + + +int __init serial_m3110_init(void) +{ + int ret = 0; + + ret = uart_register_driver(&serial_m3110_reg); + if (ret) + return ret; + + ret = spi_register_driver(&uart_max3110_driver); + if (ret) + uart_unregister_driver(&serial_m3110_reg); + + return ret; +} + +void __exit serial_m3110_exit(void) +{ + spi_unregister_driver(&uart_max3110_driver); + uart_unregister_driver(&serial_m3110_reg); +} + +module_init(serial_m3110_init); +module_exit(serial_m3110_exit); + +MODULE_LICENSE("GPL"); +MODULE_ALIAS("max3110-uart"); diff --git a/drivers/serial/mrst_max3110.h b/drivers/serial/mrst_max3110.h new file mode 100644 index 0000000..363478a --- /dev/null +++ b/drivers/serial/mrst_max3110.h @@ -0,0 +1,59 @@ +#ifndef _MRST_MAX3110_H +#define _MRST_MAX3110_H + +#define MAX3110_HIGH_CLK 0x1 /* 3.6864 MHZ */ +#define MAX3110_LOW_CLK 0x0 /* 1.8432 MHZ */ + +/* status bits for all 4 MAX3110 operate modes */ +#define MAX3110_READ_DATA_AVAILABLE (1 << 15) +#define MAX3110_WRITE_BUF_EMPTY (1 << 14) + +#define WC_TAG (3 << 14) +#define RC_TAG (1 << 14) +#define WD_TAG (2 << 14) +#define RD_TAG (0 << 14) + +/* bits def for write configuration */ +#define WC_FIFO_ENABLE_MASK (1 << 13) +#define WC_FIFO_ENABLE (0 << 13) + +#define WC_SW_SHDI (1 << 12) + +#define WC_IRQ_MASK (0xF << 8) +#define WC_TXE_IRQ_ENABLE (1 << 11) /* TX empty irq */ +#define WC_RXA_IRQ_ENABLE (1 << 10) /* RX availabe irq */ +#define WC_PAR_HIGH_IRQ_ENABLE (1 << 9) +#define WC_REC_ACT_IRQ_ENABLE (1 << 8) + +#define WC_IRDA_ENABLE (1 << 7) + +#define WC_STOPBITS_MASK (1 << 6) +#define WC_2_STOPBITS (1 << 6) +#define WC_1_STOPBITS (0 << 6) + +#define WC_PARITY_ENABLE_MASK (1 << 5) +#define WC_PARITY_ENABLE (1 << 5) + +#define WC_WORDLEN_MASK (1 << 4) +#define WC_7BIT_WORD (1 << 4) +#define WC_8BIT_WORD (0 << 4) + +#define WC_BAUD_DIV_MASK (0xF) +#define WC_BAUD_DR1 (0x0) +#define WC_BAUD_DR2 (0x1) +#define WC_BAUD_DR4 (0x2) +#define WC_BAUD_DR8 (0x3) +#define WC_BAUD_DR16 (0x4) +#define WC_BAUD_DR32 (0x5) +#define WC_BAUD_DR64 (0x6) +#define WC_BAUD_DR128 (0x7) +#define WC_BAUD_DR3 (0x8) +#define WC_BAUD_DR6 (0x9) +#define WC_BAUD_DR12 (0xA) +#define WC_BAUD_DR24 (0xB) +#define WC_BAUD_DR48 (0xC) +#define WC_BAUD_DR96 (0xD) +#define WC_BAUD_DR192 (0xE) +#define WC_BAUD_DR384 (0xF) + +#endif diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c index 7f28307..cd85112 100644 --- a/drivers/serial/serial_core.c +++ b/drivers/serial/serial_core.c @@ -58,9 +58,9 @@ static struct lock_class_key port_lock_key; #define uart_console(port) (0) #endif -static void uart_change_speed(struct uart_state *state, +static void uart_change_speed(struct tty_struct *tty, struct uart_state *state, struct ktermios *old_termios); -static void uart_wait_until_sent(struct tty_struct *tty, int timeout); +static void __uart_wait_until_sent(struct uart_port *port, int timeout); static void uart_change_pm(struct uart_state *state, int pm_state); /* @@ -137,7 +137,7 @@ uart_update_mctrl(struct uart_port *port, unsigned int set, unsigned int clear) * Startup the port. This will be called once per open. All calls * will be serialised by the per-port mutex. */ -static int uart_startup(struct uart_state *state, int init_hw) +static int uart_startup(struct tty_struct *tty, struct uart_state *state, int init_hw) { struct uart_port *uport = state->uart_port; struct tty_port *port = &state->port; @@ -152,7 +152,7 @@ static int uart_startup(struct uart_state *state, int init_hw) * once we have successfully opened the port. Also set * up the tty->alt_speed kludge */ - set_bit(TTY_IO_ERROR, &port->tty->flags); + set_bit(TTY_IO_ERROR, &tty->flags); if (uport->type == PORT_UNKNOWN) return 0; @@ -177,26 +177,26 @@ static int uart_startup(struct uart_state *state, int init_hw) /* * Initialise the hardware port settings. */ - uart_change_speed(state, NULL); + uart_change_speed(tty, state, NULL); /* * Setup the RTS and DTR signals once the * port is open and ready to respond. */ - if (port->tty->termios->c_cflag & CBAUD) + if (tty->termios->c_cflag & CBAUD) uart_set_mctrl(uport, TIOCM_RTS | TIOCM_DTR); } if (port->flags & ASYNC_CTS_FLOW) { spin_lock_irq(&uport->lock); if (!(uport->ops->get_mctrl(uport) & TIOCM_CTS)) - port->tty->hw_stopped = 1; + tty->hw_stopped = 1; spin_unlock_irq(&uport->lock); } set_bit(ASYNCB_INITIALIZED, &port->flags); - clear_bit(TTY_IO_ERROR, &port->tty->flags); + clear_bit(TTY_IO_ERROR, &tty->flags); } if (retval && capable(CAP_SYS_ADMIN)) @@ -210,11 +210,10 @@ static int uart_startup(struct uart_state *state, int init_hw) * DTR is dropped if the hangup on close termio flag is on. Calls to * uart_shutdown are serialised by the per-port semaphore. */ -static void uart_shutdown(struct uart_state *state) +static void uart_shutdown(struct tty_struct *tty, struct uart_state *state) { struct uart_port *uport = state->uart_port; struct tty_port *port = &state->port; - struct tty_struct *tty = port->tty; /* * Set the TTY IO error marker @@ -430,11 +429,10 @@ uart_get_divisor(struct uart_port *port, unsigned int baud) EXPORT_SYMBOL(uart_get_divisor); /* FIXME: Consistent locking policy */ -static void -uart_change_speed(struct uart_state *state, struct ktermios *old_termios) +static void uart_change_speed(struct tty_struct *tty, struct uart_state *state, + struct ktermios *old_termios) { struct tty_port *port = &state->port; - struct tty_struct *tty = port->tty; struct uart_port *uport = state->uart_port; struct ktermios *termios; @@ -463,8 +461,8 @@ uart_change_speed(struct uart_state *state, struct ktermios *old_termios) uport->ops->set_termios(uport, termios, old_termios); } -static inline int -__uart_put_char(struct uart_port *port, struct circ_buf *circ, unsigned char c) +static inline int __uart_put_char(struct uart_port *port, + struct circ_buf *circ, unsigned char c) { unsigned long flags; int ret = 0; @@ -494,8 +492,8 @@ static void uart_flush_chars(struct tty_struct *tty) uart_start(tty); } -static int -uart_write(struct tty_struct *tty, const unsigned char *buf, int count) +static int uart_write(struct tty_struct *tty, + const unsigned char *buf, int count) { struct uart_state *state = tty->driver_data; struct uart_port *port; @@ -675,7 +673,7 @@ static int uart_get_info(struct uart_state *state, return 0; } -static int uart_set_info(struct uart_state *state, +static int uart_set_info(struct tty_struct *tty, struct uart_state *state, struct serial_struct __user *newinfo) { struct serial_struct new_serial; @@ -770,7 +768,7 @@ static int uart_set_info(struct uart_state *state, * We need to shutdown the serial port at the old * port/type/irq combination. */ - uart_shutdown(state); + uart_shutdown(tty, state); } if (change_port) { @@ -869,25 +867,27 @@ static int uart_set_info(struct uart_state *state, "is deprecated.\n", current->comm, tty_name(port->tty, buf)); } - uart_change_speed(state, NULL); + uart_change_speed(tty, state, NULL); } } else - retval = uart_startup(state, 1); + retval = uart_startup(tty, state, 1); exit: mutex_unlock(&port->mutex); return retval; } - -/* - * uart_get_lsr_info - get line status register info. - * Note: uart_ioctl protects us against hangups. +/** + * uart_get_lsr_info - get line status register info + * @tty: tty associated with the UART + * @state: UART being queried + * @value: returned modem value + * + * Note: uart_ioctl protects us against hangups. */ -static int uart_get_lsr_info(struct uart_state *state, - unsigned int __user *value) +static int uart_get_lsr_info(struct tty_struct *tty, + struct uart_state *state, unsigned int __user *value) { struct uart_port *uport = state->uart_port; - struct tty_port *port = &state->port; unsigned int result; result = uport->ops->tx_empty(uport); @@ -900,7 +900,7 @@ static int uart_get_lsr_info(struct uart_state *state, */ if (uport->x_char || ((uart_circ_chars_pending(&state->xmit) > 0) && - !port->tty->stopped && !port->tty->hw_stopped)) + !tty->stopped && !tty->hw_stopped)) result &= ~TIOCSER_TEMT; return put_user(result, value); @@ -961,7 +961,7 @@ static int uart_break_ctl(struct tty_struct *tty, int break_state) return 0; } -static int uart_do_autoconfig(struct uart_state *state) +static int uart_do_autoconfig(struct tty_struct *tty,struct uart_state *state) { struct uart_port *uport = state->uart_port; struct tty_port *port = &state->port; @@ -980,7 +980,7 @@ static int uart_do_autoconfig(struct uart_state *state) ret = -EBUSY; if (tty_port_users(port) == 1) { - uart_shutdown(state); + uart_shutdown(tty, state); /* * If we already have a port type configured, @@ -999,7 +999,7 @@ static int uart_do_autoconfig(struct uart_state *state) */ uport->ops->config_port(uport, flags); - ret = uart_startup(state, 1); + ret = uart_startup(tty, state, 1); } mutex_unlock(&port->mutex); return ret; @@ -1122,11 +1122,11 @@ uart_ioctl(struct tty_struct *tty, struct file *filp, unsigned int cmd, break; case TIOCSSERIAL: - ret = uart_set_info(state, uarg); + ret = uart_set_info(tty, state, uarg); break; case TIOCSERCONFIG: - ret = uart_do_autoconfig(state); + ret = uart_do_autoconfig(tty, state); break; case TIOCSERGWILD: /* obsolete */ @@ -1172,7 +1172,7 @@ uart_ioctl(struct tty_struct *tty, struct file *filp, unsigned int cmd, */ switch (cmd) { case TIOCSERGETLSR: /* Get line status register */ - ret = uart_get_lsr_info(state, uarg); + ret = uart_get_lsr_info(tty, state, uarg); break; default: { @@ -1194,7 +1194,7 @@ static void uart_set_ldisc(struct tty_struct *tty) struct uart_port *uport = state->uart_port; if (uport->ops->set_ldisc) - uport->ops->set_ldisc(uport); + uport->ops->set_ldisc(uport, tty->termios->c_line); } static void uart_set_termios(struct tty_struct *tty, @@ -1219,7 +1219,7 @@ static void uart_set_termios(struct tty_struct *tty, return; } - uart_change_speed(state, old_termios); + uart_change_speed(tty, state, old_termios); /* Handle transition to B0 status */ if ((old_termios->c_cflag & CBAUD) && !(cflag & CBAUD)) @@ -1272,8 +1272,9 @@ static void uart_close(struct tty_struct *tty, struct file *filp) struct uart_state *state = tty->driver_data; struct tty_port *port; struct uart_port *uport; + unsigned long flags; - BUG_ON(!kernel_locked()); + BUG_ON(!tty_locked()); if (!state) return; @@ -1284,9 +1285,12 @@ static void uart_close(struct tty_struct *tty, struct file *filp) pr_debug("uart_close(%d) called\n", uport->line); mutex_lock(&port->mutex); + spin_lock_irqsave(&port->lock, flags); - if (tty_hung_up_p(filp)) + if (tty_hung_up_p(filp)) { + spin_unlock_irqrestore(&port->lock, flags); goto done; + } if ((tty->count == 1) && (port->count != 1)) { /* @@ -1305,8 +1309,10 @@ static void uart_close(struct tty_struct *tty, struct file *filp) tty->name, port->count); port->count = 0; } - if (port->count) + if (port->count) { + spin_unlock_irqrestore(&port->lock, flags); goto done; + } /* * Now we wait for the transmit buffer to clear; and we notify @@ -1314,9 +1320,18 @@ static void uart_close(struct tty_struct *tty, struct file *filp) * setting tty->closing. */ tty->closing = 1; + spin_unlock_irqrestore(&port->lock, flags); - if (port->closing_wait != ASYNC_CLOSING_WAIT_NONE) - tty_wait_until_sent(tty, msecs_to_jiffies(port->closing_wait)); + if (port->closing_wait != ASYNC_CLOSING_WAIT_NONE) { + /* + * hack: open-coded tty_wait_until_sent to avoid + * recursive tty_lock + */ + long timeout = msecs_to_jiffies(port->closing_wait); + if (wait_event_interruptible_timeout(tty->write_wait, + !tty_chars_in_buffer(tty), timeout) >= 0) + __uart_wait_until_sent(uport, timeout); + } /* * At this point, we stop accepting input. To do this, we @@ -1332,45 +1347,47 @@ static void uart_close(struct tty_struct *tty, struct file *filp) * has completely drained; this is especially * important if there is a transmit FIFO! */ - uart_wait_until_sent(tty, uport->timeout); + __uart_wait_until_sent(uport, uport->timeout); } - uart_shutdown(state); + uart_shutdown(tty, state); uart_flush_buffer(tty); tty_ldisc_flush(tty); - tty->closing = 0; tty_port_tty_set(port, NULL); + spin_lock_irqsave(&port->lock, flags); + tty->closing = 0; if (port->blocked_open) { + spin_unlock_irqrestore(&port->lock, flags); if (port->close_delay) msleep_interruptible(port->close_delay); + spin_lock_irqsave(&port->lock, flags); } else if (!uart_console(uport)) { + spin_unlock_irqrestore(&port->lock, flags); uart_change_pm(state, 3); + spin_lock_irqsave(&port->lock, flags); } /* * Wake up anyone trying to open this port. */ clear_bit(ASYNCB_NORMAL_ACTIVE, &port->flags); + spin_unlock_irqrestore(&port->lock, flags); wake_up_interruptible(&port->open_wait); done: mutex_unlock(&port->mutex); } -static void uart_wait_until_sent(struct tty_struct *tty, int timeout) +static void __uart_wait_until_sent(struct uart_port *port, int timeout) { - struct uart_state *state = tty->driver_data; - struct uart_port *port = state->uart_port; unsigned long char_time, expire; if (port->type == PORT_UNKNOWN || port->fifosize == 0) return; - lock_kernel(); - /* * Set the check interval to be 1/5 of the estimated time to * send a single character, and make it at least 1. The check @@ -1416,7 +1433,16 @@ static void uart_wait_until_sent(struct tty_struct *tty, int timeout) break; } set_current_state(TASK_RUNNING); /* might not be needed */ - unlock_kernel(); +} + +static void uart_wait_until_sent(struct tty_struct *tty, int timeout) +{ + struct uart_state *state = tty->driver_data; + struct uart_port *port = state->uart_port; + + tty_lock(); + __uart_wait_until_sent(port, timeout); + tty_unlock(); } /* @@ -1429,16 +1455,19 @@ static void uart_hangup(struct tty_struct *tty) { struct uart_state *state = tty->driver_data; struct tty_port *port = &state->port; + unsigned long flags; - BUG_ON(!kernel_locked()); + BUG_ON(!tty_locked()); pr_debug("uart_hangup(%d)\n", state->uart_port->line); mutex_lock(&port->mutex); if (port->flags & ASYNC_NORMAL_ACTIVE) { uart_flush_buffer(tty); - uart_shutdown(state); + uart_shutdown(tty, state); + spin_lock_irqsave(&port->lock, flags); port->count = 0; clear_bit(ASYNCB_NORMAL_ACTIVE, &port->flags); + spin_unlock_irqrestore(&port->lock, flags); tty_port_tty_set(port, NULL); wake_up_interruptible(&port->open_wait); wake_up_interruptible(&port->delta_msr_wait); @@ -1446,15 +1475,19 @@ static void uart_hangup(struct tty_struct *tty) mutex_unlock(&port->mutex); } -/* - * Copy across the serial console cflag setting into the termios settings - * for the initial open of the port. This allows continuity between the - * kernel settings, and the settings init adopts when it opens the port - * for the first time. +/** + * uart_update_termios - update the terminal hw settings + * @tty: tty associated with UART + * @state: UART to update + * + * Copy across the serial console cflag setting into the termios settings + * for the initial open of the port. This allows continuity between the + * kernel settings, and the settings init adopts when it opens the port + * for the first time. */ -static void uart_update_termios(struct uart_state *state) +static void uart_update_termios(struct tty_struct *tty, + struct uart_state *state) { - struct tty_struct *tty = state->port.tty; struct uart_port *port = state->uart_port; if (uart_console(port) && port->cons->cflag) { @@ -1471,7 +1504,7 @@ static void uart_update_termios(struct uart_state *state) /* * Make termios settings take effect. */ - uart_change_speed(state, NULL); + uart_change_speed(tty, state, NULL); /* * And finally enable the RTS and DTR signals. @@ -1481,90 +1514,37 @@ static void uart_update_termios(struct uart_state *state) } } -/* - * Block the open until the port is ready. We must be called with - * the per-port semaphore held. - */ -static int -uart_block_til_ready(struct file *filp, struct uart_state *state) +static int uart_carrier_raised(struct tty_port *port) { - DECLARE_WAITQUEUE(wait, current); + struct uart_state *state = container_of(port, struct uart_state, port); struct uart_port *uport = state->uart_port; - struct tty_port *port = &state->port; - unsigned int mctrl; - - port->blocked_open++; - port->count--; - - add_wait_queue(&port->open_wait, &wait); - while (1) { - set_current_state(TASK_INTERRUPTIBLE); - - /* - * If we have been hung up, tell userspace/restart open. - */ - if (tty_hung_up_p(filp) || port->tty == NULL) - break; - - /* - * If the port has been closed, tell userspace/restart open. - */ - if (!(port->flags & ASYNC_INITIALIZED)) - break; + int mctrl; + spin_lock_irq(&uport->lock); + uport->ops->enable_ms(uport); + mctrl = uport->ops->get_mctrl(uport); + spin_unlock_irq(&uport->lock); + if (mctrl & TIOCM_CAR) + return 1; + return 0; +} - /* - * If non-blocking mode is set, or CLOCAL mode is set, - * we don't want to wait for the modem status lines to - * indicate that the port is ready. - * - * Also, if the port is not enabled/configured, we want - * to allow the open to succeed here. Note that we will - * have set TTY_IO_ERROR for a non-existant port. - */ - if ((filp->f_flags & O_NONBLOCK) || - (port->tty->termios->c_cflag & CLOCAL) || - (port->tty->flags & (1 << TTY_IO_ERROR))) - break; +static void uart_dtr_rts(struct tty_port *port, int onoff) +{ + struct uart_state *state = container_of(port, struct uart_state, port); + struct uart_port *uport = state->uart_port; - /* - * Set DTR to allow modem to know we're waiting. Do - * not set RTS here - we want to make sure we catch - * the data from the modem. - */ - if (port->tty->termios->c_cflag & CBAUD) - uart_set_mctrl(uport, TIOCM_DTR); + if (onoff) { + uart_set_mctrl(uport, TIOCM_DTR | TIOCM_RTS); /* - * and wait for the carrier to indicate that the - * modem is ready for us. + * If this is the first open to succeed, + * adjust things to suit. */ - spin_lock_irq(&uport->lock); - uport->ops->enable_ms(uport); - mctrl = uport->ops->get_mctrl(uport); - spin_unlock_irq(&uport->lock); - if (mctrl & TIOCM_CAR) - break; - - mutex_unlock(&port->mutex); - schedule(); - mutex_lock(&port->mutex); - - if (signal_pending(current)) - break; + if (!test_and_set_bit(ASYNCB_NORMAL_ACTIVE, &port->flags)) + uart_update_termios(port->tty, state); } - set_current_state(TASK_RUNNING); - remove_wait_queue(&port->open_wait, &wait); - - port->count++; - port->blocked_open--; - - if (signal_pending(current)) - return -ERESTARTSYS; - - if (!port->tty || tty_hung_up_p(filp)) - return -EAGAIN; - - return 0; + else + uart_clear_mctrl(uport, TIOCM_DTR | TIOCM_RTS); } static struct uart_state *uart_get(struct uart_driver *drv, int line) @@ -1611,7 +1591,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp) struct tty_port *port; int retval, line = tty->index; - BUG_ON(!kernel_locked()); + BUG_ON(!tty_locked()); pr_debug("uart_open(%d) called\n", line); /* @@ -1668,23 +1648,14 @@ static int uart_open(struct tty_struct *tty, struct file *filp) /* * Start up the serial port. */ - retval = uart_startup(state, 0); + retval = uart_startup(tty, state, 0); /* * If we succeeded, wait until the port is ready. */ - if (retval == 0) - retval = uart_block_til_ready(filp, state); mutex_unlock(&port->mutex); - - /* - * If this is the first open to succeed, adjust things to suit. - */ - if (retval == 0 && !(port->flags & ASYNC_NORMAL_ACTIVE)) { - set_bit(ASYNCB_NORMAL_ACTIVE, &port->flags); - - uart_update_termios(state); - } + if (retval == 0) + retval = tty_port_block_til_ready(port, tty, filp); fail: return retval; @@ -2010,9 +1981,13 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport) struct tty_port *port = &state->port; struct device *tty_dev; struct uart_match match = {uport, drv}; + struct tty_struct *tty; mutex_lock(&port->mutex); + /* Must be inside the mutex lock until we convert to tty_port */ + tty = port->tty; + tty_dev = device_find_child(uport->dev, &match, serial_match_port); if (device_may_wakeup(tty_dev)) { enable_irq_wake(uport->irq); @@ -2105,9 +2080,12 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *uport) ops->set_mctrl(uport, 0); spin_unlock_irq(&uport->lock); if (console_suspend_enabled || !uart_console(uport)) { + /* Protected by port mutex for now */ + struct tty_struct *tty = port->tty; ret = ops->startup(uport); if (ret == 0) { - uart_change_speed(state, NULL); + if (tty) + uart_change_speed(tty, state, NULL); spin_lock_irq(&uport->lock); ops->set_mctrl(uport, uport->mctrl); ops->start_tx(uport); @@ -2119,7 +2097,7 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *uport) * Clear the "initialized" flag so we won't try * to call the low level drivers shutdown method. */ - uart_shutdown(state); + uart_shutdown(tty, state); } } @@ -2312,6 +2290,11 @@ static const struct tty_operations uart_ops = { #endif }; +static const struct tty_port_operations uart_port_ops = { + .carrier_raised = uart_carrier_raised, + .dtr_rts = uart_dtr_rts, +}; + /** * uart_register_driver - register a driver with the uart core layer * @drv: low level driver structure @@ -2368,6 +2351,7 @@ int uart_register_driver(struct uart_driver *drv) struct tty_port *port = &state->port; tty_port_init(port); + port->ops = &uart_port_ops; port->close_delay = 500; /* .5 seconds */ port->closing_wait = 30000; /* 30 seconds */ tasklet_init(&state->tlet, uart_tasklet_action, diff --git a/drivers/serial/timbuart.c b/drivers/serial/timbuart.c index 67ca642..1f36b7e 100644 --- a/drivers/serial/timbuart.c +++ b/drivers/serial/timbuart.c @@ -423,7 +423,7 @@ static struct uart_driver timbuart_driver = { .nr = 1 }; -static int timbuart_probe(struct platform_device *dev) +static int __devinit timbuart_probe(struct platform_device *dev) { int err, irq; struct timbuart_port *uart; @@ -489,7 +489,7 @@ err_mem: return err; } -static int timbuart_remove(struct platform_device *dev) +static int __devexit timbuart_remove(struct platform_device *dev) { struct timbuart_port *uart = platform_get_drvdata(dev); @@ -507,7 +507,7 @@ static struct platform_driver timbuart_platform_driver = { .owner = THIS_MODULE, }, .probe = timbuart_probe, - .remove = timbuart_remove, + .remove = __devexit_p(timbuart_remove), }; /*--------------------------------------------------------------------------*/ diff --git a/drivers/staging/easycap/easycap.h b/drivers/staging/easycap/easycap.h index ad836d2..f3c827e 100644 --- a/drivers/staging/easycap/easycap.h +++ b/drivers/staging/easycap/easycap.h @@ -463,15 +463,12 @@ struct data_buffer audio_buffer[]; void easycap_complete(struct urb *); int easycap_open(struct inode *, struct file *); int easycap_release(struct inode *, struct file *); -int easycap_ioctl(struct inode *, struct file *, \ - unsigned int, unsigned long); +long easycap_ioctl(struct file *, unsigned int, unsigned long); /*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ #if defined(EASYCAP_IS_VIDEODEV_CLIENT) int easycap_open_noinode(struct file *); int easycap_release_noinode(struct file *); -long easycap_ioctl_noinode(struct file *, \ - unsigned int, unsigned long); int videodev_release(struct video_device *); #endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ @@ -515,8 +512,7 @@ void easysnd_complete(struct urb *); ssize_t easysnd_read(struct file *, char __user *, size_t, loff_t *); int easysnd_open(struct inode *, struct file *); int easysnd_release(struct inode *, struct file *); -int easysnd_ioctl(struct inode *, struct file *, \ - unsigned int, unsigned long); +long easysnd_ioctl(struct file *, unsigned int, unsigned long); unsigned int easysnd_poll(struct file *, poll_table *); void easysnd_delete(struct kref *); int submit_audio_urbs(struct easycap *); diff --git a/drivers/staging/easycap/easycap_ioctl.c b/drivers/staging/easycap/easycap_ioctl.c index 276b63d..9a42ae0 100644 --- a/drivers/staging/easycap/easycap_ioctl.c +++ b/drivers/staging/easycap/easycap_ioctl.c @@ -25,6 +25,7 @@ */ /*****************************************************************************/ +#include <linux/smp_lock.h> #include "easycap.h" #include "easycap_debug.h" #include "easycap_standard.h" @@ -773,19 +774,10 @@ while (0xFFFFFFFF != easycap_control[i1].id) { SAY("WARNING: failed to adjust mute: control not found\n"); return -ENOENT; } -/****************************************************************************/ -/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ -#if defined(EASYCAP_IS_VIDEODEV_CLIENT) -long -easycap_ioctl_noinode(struct file *file, unsigned int cmd, unsigned long arg)\ - { - return easycap_ioctl((struct inode *)NULL, file, cmd, arg); -} -#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ -/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ + /*--------------------------------------------------------------------------*/ -int easycap_ioctl(struct inode *inode, struct file *file, \ - unsigned int cmd, unsigned long arg) +static int easycap_ioctl_bkl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) { static struct easycap *peasycap; static struct usb_device *p; @@ -1956,19 +1948,22 @@ default: { } return 0; } -/****************************************************************************/ -/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ -#if defined(EASYCAP_IS_VIDEODEV_CLIENT) -long -easysnd_ioctl_noinode(struct file *file, unsigned int cmd, unsigned long arg) + +long easycap_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { - return easysnd_ioctl((struct inode *)NULL, file, cmd, arg); + struct inode *inode = file->f_dentry->d_inode; + long ret; + + lock_kernel(); + ret = easycap_ioctl_bkl(inode, file, cmd, arg); + unlock_kernel(); + + return ret; } -#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ -/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ + /*--------------------------------------------------------------------------*/ -int easysnd_ioctl(struct inode *inode, struct file *file, \ - unsigned int cmd, unsigned long arg) +static int easysnd_ioctl_bkl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) { struct easycap *peasycap; struct usb_device *p; @@ -2158,6 +2153,19 @@ default: { } return 0; } + +long easysnd_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + struct inode *inode = file->f_dentry->d_inode; + long ret; + + lock_kernel(); + ret = easysnd_ioctl_bkl(inode, file, cmd, arg); + unlock_kernel(); + + return ret; +} + /*****************************************************************************/ int explain_ioctl(__u32 wot) { diff --git a/drivers/staging/easycap/easycap_main.c b/drivers/staging/easycap/easycap_main.c index 09c194c..5a4bbd9 100644 --- a/drivers/staging/easycap/easycap_main.c +++ b/drivers/staging/easycap/easycap_main.c @@ -60,13 +60,13 @@ struct usb_driver easycap_usb_driver = { */ /*---------------------------------------------------------------------------*/ const struct file_operations easycap_fops = { -.owner = THIS_MODULE, -.open = easycap_open, -.release = easycap_release, -.ioctl = easycap_ioctl, -.poll = easycap_poll, -.mmap = easycap_mmap, -.llseek = no_llseek, + .owner = THIS_MODULE, + .open = easycap_open, + .release = easycap_release, + .unlocked_ioctl = easycap_ioctl, + .poll = easycap_poll, + .mmap = easycap_mmap, + .llseek = no_llseek, }; struct vm_operations_struct easycap_vm_ops = { .open = easycap_vma_open, @@ -83,12 +83,12 @@ struct usb_class_driver easycap_class = { #if defined(EASYCAP_IS_VIDEODEV_CLIENT) #if defined(EASYCAP_NEEDS_V4L2_FOPS) const struct v4l2_file_operations v4l2_fops = { -.owner = THIS_MODULE, -.open = easycap_open_noinode, -.release = easycap_release_noinode, -.ioctl = easycap_ioctl_noinode, -.poll = easycap_poll, -.mmap = easycap_mmap, + .owner = THIS_MODULE, + .open = easycap_open_noinode, + .release = easycap_release_noinode, + .unlocked_ioctl = easycap_ioctl, + .poll = easycap_poll, + .mmap = easycap_mmap, }; #endif /*EASYCAP_NEEDS_V4L2_FOPS*/ int video_device_many /*=0*/; @@ -102,12 +102,12 @@ struct video_device *pvideo_array[VIDEO_DEVICE_MANY], *pvideo_device; */ /*--------------------------------------------------------------------------*/ const struct file_operations easysnd_fops = { -.owner = THIS_MODULE, -.open = easysnd_open, -.release = easysnd_release, -.ioctl = easysnd_ioctl, -.read = easysnd_read, -.llseek = no_llseek, + .owner = THIS_MODULE, + .open = easysnd_open, + .release = easysnd_release, + .unlocked_ioctl = easysnd_ioctl, + .read = easysnd_read, + .llseek = no_llseek, }; struct usb_class_driver easysnd_class = { .name = "usb/easysnd%d", diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c index f7ea2a3..ff1d247 100644 --- a/drivers/staging/hv/blkvsc_drv.c +++ b/drivers/staging/hv/blkvsc_drv.c @@ -25,6 +25,7 @@ #include <linux/major.h> #include <linux/delay.h> #include <linux/hdreg.h> +#include <linux/smp_lock.h> #include <linux/slab.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> @@ -805,7 +806,8 @@ static void blkvsc_init_rw(struct blkvsc_request *blkvsc_req) blkvsc_req->cmnd[0] = READ_16; } - blkvsc_req->cmnd[1] |= blk_fua_rq(blkvsc_req->req) ? 0x8 : 0; + blkvsc_req->cmnd[1] |= + (blkvsc_req->req->cmd_flags & REQ_FUA) ? 0x8 : 0; *(unsigned long long *)&blkvsc_req->cmnd[2] = cpu_to_be64(blkvsc_req->sector_start); @@ -821,7 +823,8 @@ static void blkvsc_init_rw(struct blkvsc_request *blkvsc_req) blkvsc_req->cmnd[0] = READ_10; } - blkvsc_req->cmnd[1] |= blk_fua_rq(blkvsc_req->req) ? 0x8 : 0; + blkvsc_req->cmnd[1] |= + (blkvsc_req->req->cmd_flags & REQ_FUA) ? 0x8 : 0; *(unsigned int *)&blkvsc_req->cmnd[2] = cpu_to_be32(blkvsc_req->sector_start); @@ -1268,7 +1271,7 @@ static void blkvsc_request(struct request_queue *queue) DPRINT_DBG(BLKVSC_DRV, "- req %p\n", req); blkdev = req->rq_disk->private_data; - if (blkdev->shutting_down || !blk_fs_request(req) || + if (blkdev->shutting_down || req->cmd_type != REQ_TYPE_FS || blkdev->media_not_present) { __blk_end_request_cur(req, 0); continue; @@ -1306,6 +1309,7 @@ static int blkvsc_open(struct block_device *bdev, fmode_t mode) DPRINT_DBG(BLKVSC_DRV, "- users %d disk %s\n", blkdev->users, blkdev->gd->disk_name); + lock_kernel(); spin_lock(&blkdev->lock); if (!blkdev->users && blkdev->device_type == DVD_TYPE) { @@ -1317,6 +1321,7 @@ static int blkvsc_open(struct block_device *bdev, fmode_t mode) blkdev->users++; spin_unlock(&blkdev->lock); + unlock_kernel(); return 0; } @@ -1327,6 +1332,7 @@ static int blkvsc_release(struct gendisk *disk, fmode_t mode) DPRINT_DBG(BLKVSC_DRV, "- users %d disk %s\n", blkdev->users, blkdev->gd->disk_name); + lock_kernel(); spin_lock(&blkdev->lock); if (blkdev->users == 1) { spin_unlock(&blkdev->lock); @@ -1337,6 +1343,7 @@ static int blkvsc_release(struct gendisk *disk, fmode_t mode) blkdev->users--; spin_unlock(&blkdev->lock); + unlock_kernel(); return 0; } diff --git a/drivers/staging/lirc/Kconfig b/drivers/staging/lirc/Kconfig index 968c2ade..100c4d4 100644 --- a/drivers/staging/lirc/Kconfig +++ b/drivers/staging/lirc/Kconfig @@ -3,6 +3,7 @@ # menuconfig LIRC_STAGING bool "Linux Infrared Remote Control IR receiver/transmitter drivers" + depends on LIRC help Say Y here, and all supported Linux Infrared Remote Control IR and RF receiver and transmitter drivers will be displayed. When paired @@ -13,21 +14,13 @@ if LIRC_STAGING config LIRC_BT829 tristate "BT829 based hardware" - depends on LIRC_STAGING + depends on LIRC_STAGING && PCI help Driver for the IR interface on BT829-based hardware -config LIRC_ENE0100 - tristate "ENE KB3924/ENE0100 CIR Port Reciever" - depends on LIRC_STAGING - help - This is a driver for CIR port handled by ENE KB3924 embedded - controller found on some notebooks. - It appears on PNP list as ENE0100. - config LIRC_I2C tristate "I2C Based IR Receivers" - depends on LIRC_STAGING + depends on LIRC_STAGING && I2C help Driver for I2C-based IR receivers, such as those commonly found onboard Hauppauge PVR-150/250/350 video capture cards @@ -40,7 +33,7 @@ config LIRC_IGORPLUGUSB config LIRC_IMON tristate "Legacy SoundGraph iMON Receiver and Display" - depends on LIRC_STAGING + depends on LIRC_STAGING && USB help Driver for the original SoundGraph iMON IR Receiver and Display @@ -48,7 +41,7 @@ config LIRC_IMON config LIRC_IT87 tristate "ITE IT87XX CIR Port Receiver" - depends on LIRC_STAGING + depends on LIRC_STAGING && PNP help Driver for the ITE IT87xx IR Receiver @@ -60,13 +53,13 @@ config LIRC_ITE8709 config LIRC_PARALLEL tristate "Homebrew Parallel Port Receiver" - depends on LIRC_STAGING && !SMP + depends on LIRC_STAGING && PARPORT && !SMP help Driver for Homebrew Parallel Port Receivers config LIRC_SASEM tristate "Sasem USB IR Remote" - depends on LIRC_STAGING + depends on LIRC_STAGING && USB help Driver for the Sasem OnAir Remocon-V or Dign HV5 HTPC IR/VFD Module @@ -89,12 +82,6 @@ config LIRC_SIR help Driver for the SIR IrDA port -config LIRC_STREAMZAP - tristate "Streamzap PC Receiver" - depends on LIRC_STAGING - help - Driver for the Streamzap PC Receiver - config LIRC_TTUSBIR tristate "Technotrend USB IR Receiver" depends on LIRC_STAGING && USB @@ -103,7 +90,7 @@ config LIRC_TTUSBIR config LIRC_ZILOG tristate "Zilog/Hauppauge IR Transmitter" - depends on LIRC_STAGING + depends on LIRC_STAGING && I2C help Driver for the Zilog/Hauppauge IR Transmitter, found on PVR-150/500, HVR-1200/1250/1700/1800, HD-PVR and other cards diff --git a/drivers/staging/lirc/Makefile b/drivers/staging/lirc/Makefile index a019182..4da1f33 100644 --- a/drivers/staging/lirc/Makefile +++ b/drivers/staging/lirc/Makefile @@ -4,7 +4,6 @@ # Each configuration option enables a list of files. obj-$(CONFIG_LIRC_BT829) += lirc_bt829.o -obj-$(CONFIG_LIRC_ENE0100) += lirc_ene0100.o obj-$(CONFIG_LIRC_I2C) += lirc_i2c.o obj-$(CONFIG_LIRC_IGORPLUGUSB) += lirc_igorplugusb.o obj-$(CONFIG_LIRC_IMON) += lirc_imon.o @@ -14,6 +13,5 @@ obj-$(CONFIG_LIRC_PARALLEL) += lirc_parallel.o obj-$(CONFIG_LIRC_SASEM) += lirc_sasem.o obj-$(CONFIG_LIRC_SERIAL) += lirc_serial.o obj-$(CONFIG_LIRC_SIR) += lirc_sir.o -obj-$(CONFIG_LIRC_STREAMZAP) += lirc_streamzap.o obj-$(CONFIG_LIRC_TTUSBIR) += lirc_ttusbir.o obj-$(CONFIG_LIRC_ZILOG) += lirc_zilog.o diff --git a/drivers/staging/lirc/lirc_ene0100.c b/drivers/staging/lirc/lirc_ene0100.c deleted file mode 100644 index a152c52..0000000 --- a/drivers/staging/lirc/lirc_ene0100.c +++ /dev/null @@ -1,646 +0,0 @@ -/* - * driver for ENE KB3926 B/C/D CIR (also known as ENE0100) - * - * Copyright (C) 2009 Maxim Levitsky <maximlevitsky@gmail.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - * USA - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/pnp.h> -#include <linux/io.h> -#include <linux/interrupt.h> -#include <linux/sched.h> -#include "lirc_ene0100.h" - -static int sample_period = 75; -static int enable_idle = 1; -static int enable_learning; - -static void ene_set_idle(struct ene_device *dev, int idle); -static void ene_set_inputs(struct ene_device *dev, int enable); - -/* read a hardware register */ -static u8 ene_hw_read_reg(struct ene_device *dev, u16 reg) -{ - outb(reg >> 8, dev->hw_io + ENE_ADDR_HI); - outb(reg & 0xFF, dev->hw_io + ENE_ADDR_LO); - return inb(dev->hw_io + ENE_IO); -} - -/* write a hardware register */ -static void ene_hw_write_reg(struct ene_device *dev, u16 reg, u8 value) -{ - outb(reg >> 8, dev->hw_io + ENE_ADDR_HI); - outb(reg & 0xFF, dev->hw_io + ENE_ADDR_LO); - outb(value, dev->hw_io + ENE_IO); -} - -/* change specific bits in hardware register */ -static void ene_hw_write_reg_mask(struct ene_device *dev, - u16 reg, u8 value, u8 mask) -{ - u8 regvalue; - - outb(reg >> 8, dev->hw_io + ENE_ADDR_HI); - outb(reg & 0xFF, dev->hw_io + ENE_ADDR_LO); - - regvalue = inb(dev->hw_io + ENE_IO) & ~mask; - regvalue |= (value & mask); - outb(regvalue, dev->hw_io + ENE_IO); -} - -/* read irq status and ack it */ -static int ene_hw_irq_status(struct ene_device *dev, int *buffer_pointer) -{ - u8 irq_status; - u8 fw_flags1, fw_flags2; - - fw_flags2 = ene_hw_read_reg(dev, ENE_FW2); - - if (buffer_pointer) - *buffer_pointer = 4 * (fw_flags2 & ENE_FW2_BUF_HIGH); - - if (dev->hw_revision < ENE_HW_C) { - irq_status = ene_hw_read_reg(dev, ENEB_IRQ_STATUS); - - if (!(irq_status & ENEB_IRQ_STATUS_IR)) - return 0; - ene_hw_write_reg(dev, ENEB_IRQ_STATUS, - irq_status & ~ENEB_IRQ_STATUS_IR); - - /* rev B support only recieving */ - return ENE_IRQ_RX; - } - - irq_status = ene_hw_read_reg(dev, ENEC_IRQ); - - if (!(irq_status & ENEC_IRQ_STATUS)) - return 0; - - /* original driver does that twice - a workaround ? */ - ene_hw_write_reg(dev, ENEC_IRQ, irq_status & ~ENEC_IRQ_STATUS); - ene_hw_write_reg(dev, ENEC_IRQ, irq_status & ~ENEC_IRQ_STATUS); - - /* clear unknown flag in F8F9 */ - if (fw_flags2 & ENE_FW2_IRQ_CLR) - ene_hw_write_reg(dev, ENE_FW2, fw_flags2 & ~ENE_FW2_IRQ_CLR); - - /* check if this is a TX interrupt */ - fw_flags1 = ene_hw_read_reg(dev, ENE_FW1); - - if (fw_flags1 & ENE_FW1_TXIRQ) { - ene_hw_write_reg(dev, ENE_FW1, fw_flags1 & ~ENE_FW1_TXIRQ); - return ENE_IRQ_TX; - } else - return ENE_IRQ_RX; -} - -static int ene_hw_detect(struct ene_device *dev) -{ - u8 chip_major, chip_minor; - u8 hw_revision, old_ver; - u8 tmp; - u8 fw_capabilities; - - tmp = ene_hw_read_reg(dev, ENE_HW_UNK); - ene_hw_write_reg(dev, ENE_HW_UNK, tmp & ~ENE_HW_UNK_CLR); - - chip_major = ene_hw_read_reg(dev, ENE_HW_VER_MAJOR); - chip_minor = ene_hw_read_reg(dev, ENE_HW_VER_MINOR); - - ene_hw_write_reg(dev, ENE_HW_UNK, tmp); - hw_revision = ene_hw_read_reg(dev, ENE_HW_VERSION); - old_ver = ene_hw_read_reg(dev, ENE_HW_VER_OLD); - - if (hw_revision == 0xFF) { - - ene_printk(KERN_WARNING, "device seems to be disabled\n"); - ene_printk(KERN_WARNING, - "send a mail to lirc-list@lists.sourceforge.net\n"); - ene_printk(KERN_WARNING, "please attach output of acpidump\n"); - - return -ENODEV; - } - - if (chip_major == 0x33) { - ene_printk(KERN_WARNING, "chips 0x33xx aren't supported yet\n"); - return -ENODEV; - } - - if (chip_major == 0x39 && chip_minor == 0x26 && hw_revision == 0xC0) { - dev->hw_revision = ENE_HW_C; - ene_printk(KERN_WARNING, - "KB3926C detected, driver support is not complete!\n"); - - } else if (old_ver == 0x24 && hw_revision == 0xC0) { - dev->hw_revision = ENE_HW_B; - ene_printk(KERN_NOTICE, "KB3926B detected\n"); - } else { - dev->hw_revision = ENE_HW_D; - ene_printk(KERN_WARNING, - "unknown ENE chip detected, assuming KB3926D\n"); - ene_printk(KERN_WARNING, "driver support incomplete"); - - } - - ene_printk(KERN_DEBUG, "chip is 0x%02x%02x - 0x%02x, 0x%02x\n", - chip_major, chip_minor, old_ver, hw_revision); - - - /* detect features hardware supports */ - - if (dev->hw_revision < ENE_HW_C) - return 0; - - fw_capabilities = ene_hw_read_reg(dev, ENE_FW2); - - dev->hw_gpio40_learning = fw_capabilities & ENE_FW2_GP40_AS_LEARN; - dev->hw_learning_and_tx_capable = fw_capabilities & ENE_FW2_LEARNING; - - dev->hw_fan_as_normal_input = dev->hw_learning_and_tx_capable && - fw_capabilities & ENE_FW2_FAN_AS_NRML_IN; - - ene_printk(KERN_NOTICE, "hardware features:\n"); - ene_printk(KERN_NOTICE, - "learning and tx %s, gpio40_learn %s, fan_in %s\n", - dev->hw_learning_and_tx_capable ? "on" : "off", - dev->hw_gpio40_learning ? "on" : "off", - dev->hw_fan_as_normal_input ? "on" : "off"); - - if (!dev->hw_learning_and_tx_capable && enable_learning) - enable_learning = 0; - - if (dev->hw_learning_and_tx_capable) { - ene_printk(KERN_WARNING, - "Device supports transmitting, but the driver doesn't\n"); - ene_printk(KERN_WARNING, - "due to lack of hardware to test against.\n"); - ene_printk(KERN_WARNING, - "Send a mail to: lirc-list@lists.sourceforge.net\n"); - } - return 0; -} - -/* hardware initialization */ -static int ene_hw_init(void *data) -{ - u8 reg_value; - struct ene_device *dev = (struct ene_device *)data; - dev->in_use = 1; - - if (dev->hw_revision < ENE_HW_C) { - ene_hw_write_reg(dev, ENEB_IRQ, dev->irq << 1); - ene_hw_write_reg(dev, ENEB_IRQ_UNK1, 0x01); - } else { - reg_value = ene_hw_read_reg(dev, ENEC_IRQ) & 0xF0; - reg_value |= ENEC_IRQ_UNK_EN; - reg_value &= ~ENEC_IRQ_STATUS; - reg_value |= (dev->irq & ENEC_IRQ_MASK); - ene_hw_write_reg(dev, ENEC_IRQ, reg_value); - ene_hw_write_reg(dev, ENE_TX_UNK1, 0x63); - } - - ene_hw_write_reg(dev, ENE_CIR_CONF2, 0x00); - ene_set_inputs(dev, enable_learning); - - /* set sampling period */ - ene_hw_write_reg(dev, ENE_CIR_SAMPLE_PERIOD, sample_period); - - /* ack any pending irqs - just in case */ - ene_hw_irq_status(dev, NULL); - - /* enter idle mode */ - ene_set_idle(dev, 1); - - /* enable firmware bits */ - ene_hw_write_reg_mask(dev, ENE_FW1, - ENE_FW1_ENABLE | ENE_FW1_IRQ, - ENE_FW1_ENABLE | ENE_FW1_IRQ); - /* clear stats */ - dev->sample = 0; - return 0; -} - -/* this enables gpio40 signal, used if connected to wide band input*/ -static void ene_enable_gpio40(struct ene_device *dev, int enable) -{ - ene_hw_write_reg_mask(dev, ENE_CIR_CONF1, enable ? - 0 : ENE_CIR_CONF2_GPIO40DIS, - ENE_CIR_CONF2_GPIO40DIS); -} - -/* this enables the classic sampler */ -static void ene_enable_normal_recieve(struct ene_device *dev, int enable) -{ - ene_hw_write_reg(dev, ENE_CIR_CONF1, enable ? ENE_CIR_CONF1_ADC_ON : 0); -} - -/* this enables recieve via fan input */ -static void ene_enable_fan_recieve(struct ene_device *dev, int enable) -{ - if (!enable) - ene_hw_write_reg(dev, ENE_FAN_AS_IN1, 0); - else { - ene_hw_write_reg(dev, ENE_FAN_AS_IN1, ENE_FAN_AS_IN1_EN); - ene_hw_write_reg(dev, ENE_FAN_AS_IN2, ENE_FAN_AS_IN2_EN); - } - dev->fan_input_inuse = enable; -} - -/* determine which input to use*/ -static void ene_set_inputs(struct ene_device *dev, int learning_enable) -{ - ene_enable_normal_recieve(dev, 1); - - /* old hardware doesn't support learning mode for sure */ - if (dev->hw_revision <= ENE_HW_B) - return; - - /* reciever not learning capable, still set gpio40 correctly */ - if (!dev->hw_learning_and_tx_capable) { - ene_enable_gpio40(dev, !dev->hw_gpio40_learning); - return; - } - - /* enable learning mode */ - if (learning_enable) { - ene_enable_gpio40(dev, dev->hw_gpio40_learning); - - /* fan input is not used for learning */ - if (dev->hw_fan_as_normal_input) - ene_enable_fan_recieve(dev, 0); - - /* disable learning mode */ - } else { - if (dev->hw_fan_as_normal_input) { - ene_enable_fan_recieve(dev, 1); - ene_enable_normal_recieve(dev, 0); - } else - ene_enable_gpio40(dev, !dev->hw_gpio40_learning); - } - - /* set few additional settings for this mode */ - ene_hw_write_reg_mask(dev, ENE_CIR_CONF1, learning_enable ? - ENE_CIR_CONF1_LEARN1 : 0, ENE_CIR_CONF1_LEARN1); - - ene_hw_write_reg_mask(dev, ENE_CIR_CONF2, learning_enable ? - ENE_CIR_CONF2_LEARN2 : 0, ENE_CIR_CONF2_LEARN2); -} - -/* deinitialization */ -static void ene_hw_deinit(void *data) -{ - struct ene_device *dev = (struct ene_device *)data; - - /* disable samplers */ - ene_enable_normal_recieve(dev, 0); - - if (dev->hw_fan_as_normal_input) - ene_enable_fan_recieve(dev, 0); - - /* disable hardware IRQ and firmware flag */ - ene_hw_write_reg_mask(dev, ENE_FW1, 0, ENE_FW1_ENABLE | ENE_FW1_IRQ); - - ene_set_idle(dev, 1); - dev->in_use = 0; -} - -/* sends current sample to userspace */ -static void send_sample(struct ene_device *dev) -{ - int value = abs(dev->sample) & PULSE_MASK; - - if (dev->sample > 0) - value |= PULSE_BIT; - - if (!lirc_buffer_full(dev->lirc_driver->rbuf)) { - lirc_buffer_write(dev->lirc_driver->rbuf, (void *)&value); - wake_up(&dev->lirc_driver->rbuf->wait_poll); - } - dev->sample = 0; -} - -/* this updates current sample */ -static void update_sample(struct ene_device *dev, int sample) -{ - if (!dev->sample) - dev->sample = sample; - else if (same_sign(dev->sample, sample)) - dev->sample += sample; - else { - send_sample(dev); - dev->sample = sample; - } -} - -/* enable or disable idle mode */ -static void ene_set_idle(struct ene_device *dev, int idle) -{ - struct timeval now; - int disable = idle && enable_idle && (dev->hw_revision < ENE_HW_C); - - ene_hw_write_reg_mask(dev, ENE_CIR_SAMPLE_PERIOD, - disable ? 0 : ENE_CIR_SAMPLE_OVERFLOW, - ENE_CIR_SAMPLE_OVERFLOW); - dev->idle = idle; - - /* remember when we have entered the idle mode */ - if (idle) { - do_gettimeofday(&dev->gap_start); - return; - } - - /* send the gap between keypresses now */ - do_gettimeofday(&now); - - if (now.tv_sec - dev->gap_start.tv_sec > 16) - dev->sample = space(PULSE_MASK); - else - dev->sample = dev->sample + - space(1000000ull * (now.tv_sec - dev->gap_start.tv_sec)) - + space(now.tv_usec - dev->gap_start.tv_usec); - - if (abs(dev->sample) > PULSE_MASK) - dev->sample = space(PULSE_MASK); - send_sample(dev); -} - -/* interrupt handler */ -static irqreturn_t ene_hw_irq(int irq, void *data) -{ - u16 hw_value; - int i, hw_sample; - int space; - int buffer_pointer; - int irq_status; - - struct ene_device *dev = (struct ene_device *)data; - irq_status = ene_hw_irq_status(dev, &buffer_pointer); - - if (!irq_status) - return IRQ_NONE; - - /* TODO: only RX for now */ - if (irq_status == ENE_IRQ_TX) - return IRQ_HANDLED; - - for (i = 0; i < ENE_SAMPLES_SIZE; i++) { - - hw_value = ene_hw_read_reg(dev, - ENE_SAMPLE_BUFFER + buffer_pointer + i); - - if (dev->fan_input_inuse) { - /* read high part of the sample */ - hw_value |= ene_hw_read_reg(dev, - ENE_SAMPLE_BUFFER_FAN + buffer_pointer + i) << 8; - - /* test for _space_ bit */ - space = !(hw_value & ENE_FAN_SMPL_PULS_MSK); - - /* clear space bit, and other unused bits */ - hw_value &= ENE_FAN_VALUE_MASK; - hw_sample = hw_value * ENE_SAMPLE_PERIOD_FAN; - - } else { - space = hw_value & ENE_SAMPLE_SPC_MASK; - hw_value &= ENE_SAMPLE_VALUE_MASK; - hw_sample = hw_value * sample_period; - } - - /* no more data */ - if (!(hw_value)) - break; - - if (space) - hw_sample *= -1; - - /* overflow sample recieved, handle it */ - - if (!dev->fan_input_inuse && hw_value == ENE_SAMPLE_OVERFLOW) { - - if (dev->idle) - continue; - - if (dev->sample > 0 || abs(dev->sample) <= ENE_MAXGAP) - update_sample(dev, hw_sample); - else - ene_set_idle(dev, 1); - - continue; - } - - /* normal first sample recieved */ - if (!dev->fan_input_inuse && dev->idle) { - ene_set_idle(dev, 0); - - /* discard first recieved value, its random - since its the time signal was off before - first pulse if idle mode is enabled, HW - does that for us */ - - if (!enable_idle) - continue; - } - update_sample(dev, hw_sample); - send_sample(dev); - } - return IRQ_HANDLED; -} - -static int ene_probe(struct pnp_dev *pnp_dev, - const struct pnp_device_id *dev_id) -{ - struct ene_device *dev; - struct lirc_driver *lirc_driver; - int error = -ENOMEM; - - dev = kzalloc(sizeof(struct ene_device), GFP_KERNEL); - - if (!dev) - goto err1; - - dev->pnp_dev = pnp_dev; - pnp_set_drvdata(pnp_dev, dev); - - - /* prepare lirc interface */ - error = -ENOMEM; - lirc_driver = kzalloc(sizeof(struct lirc_driver), GFP_KERNEL); - - if (!lirc_driver) - goto err2; - - dev->lirc_driver = lirc_driver; - - strcpy(lirc_driver->name, ENE_DRIVER_NAME); - lirc_driver->minor = -1; - lirc_driver->code_length = sizeof(int) * 8; - lirc_driver->features = LIRC_CAN_REC_MODE2; - lirc_driver->data = dev; - lirc_driver->set_use_inc = ene_hw_init; - lirc_driver->set_use_dec = ene_hw_deinit; - lirc_driver->dev = &pnp_dev->dev; - lirc_driver->owner = THIS_MODULE; - - lirc_driver->rbuf = kzalloc(sizeof(struct lirc_buffer), GFP_KERNEL); - - if (!lirc_driver->rbuf) - goto err3; - - if (lirc_buffer_init(lirc_driver->rbuf, sizeof(int), sizeof(int) * 256)) - goto err4; - - error = -ENODEV; - if (lirc_register_driver(lirc_driver)) - goto err5; - - /* validate resources */ - if (!pnp_port_valid(pnp_dev, 0) || - pnp_port_len(pnp_dev, 0) < ENE_MAX_IO) - goto err6; - - if (!pnp_irq_valid(pnp_dev, 0)) - goto err6; - - dev->hw_io = pnp_port_start(pnp_dev, 0); - dev->irq = pnp_irq(pnp_dev, 0); - - /* claim the resources */ - error = -EBUSY; - if (!request_region(dev->hw_io, ENE_MAX_IO, ENE_DRIVER_NAME)) - goto err6; - - if (request_irq(dev->irq, ene_hw_irq, - IRQF_SHARED, ENE_DRIVER_NAME, (void *)dev)) - goto err7; - - /* detect hardware version and features */ - error = ene_hw_detect(dev); - if (error) - goto err8; - - ene_printk(KERN_NOTICE, "driver has been succesfully loaded\n"); - return 0; - -err8: - free_irq(dev->irq, dev); -err7: - release_region(dev->hw_io, ENE_MAX_IO); -err6: - lirc_unregister_driver(lirc_driver->minor); -err5: - lirc_buffer_free(lirc_driver->rbuf); -err4: - kfree(lirc_driver->rbuf); -err3: - kfree(lirc_driver); -err2: - kfree(dev); -err1: - return error; -} - -static void ene_remove(struct pnp_dev *pnp_dev) -{ - struct ene_device *dev = pnp_get_drvdata(pnp_dev); - ene_hw_deinit(dev); - free_irq(dev->irq, dev); - release_region(dev->hw_io, ENE_MAX_IO); - lirc_unregister_driver(dev->lirc_driver->minor); - lirc_buffer_free(dev->lirc_driver->rbuf); - kfree(dev->lirc_driver); - kfree(dev); -} - -#ifdef CONFIG_PM - -/* TODO: make 'wake on IR' configurable and add .shutdown */ -/* currently impossible due to lack of kernel support */ - -static int ene_suspend(struct pnp_dev *pnp_dev, pm_message_t state) -{ - struct ene_device *dev = pnp_get_drvdata(pnp_dev); - ene_hw_write_reg_mask(dev, ENE_FW1, ENE_FW1_WAKE, ENE_FW1_WAKE); - return 0; -} - -static int ene_resume(struct pnp_dev *pnp_dev) -{ - struct ene_device *dev = pnp_get_drvdata(pnp_dev); - if (dev->in_use) - ene_hw_init(dev); - - ene_hw_write_reg_mask(dev, ENE_FW1, 0, ENE_FW1_WAKE); - return 0; -} - -#endif - -static const struct pnp_device_id ene_ids[] = { - {.id = "ENE0100",}, - {}, -}; - -static struct pnp_driver ene_driver = { - .name = ENE_DRIVER_NAME, - .id_table = ene_ids, - .flags = PNP_DRIVER_RES_DO_NOT_CHANGE, - - .probe = ene_probe, - .remove = __devexit_p(ene_remove), - -#ifdef CONFIG_PM - .suspend = ene_suspend, - .resume = ene_resume, -#endif -}; - -static int __init ene_init(void) -{ - if (sample_period < 5) { - ene_printk(KERN_ERR, "sample period must be at\n"); - ene_printk(KERN_ERR, "least 5 us, (at least 30 recommended)\n"); - return -EINVAL; - } - return pnp_register_driver(&ene_driver); -} - -static void ene_exit(void) -{ - pnp_unregister_driver(&ene_driver); -} - -module_param(sample_period, int, S_IRUGO); -MODULE_PARM_DESC(sample_period, "Hardware sample period (75 us default)"); - -module_param(enable_idle, bool, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(enable_idle, - "Enables turning off signal sampling after long inactivity time; " - "if disabled might help detecting input signal (default: enabled)"); - -module_param(enable_learning, bool, S_IRUGO); -MODULE_PARM_DESC(enable_learning, "Use wide band (learning) reciever"); - -MODULE_DEVICE_TABLE(pnp, ene_ids); -MODULE_DESCRIPTION - ("LIRC driver for KB3926B/KB3926C/KB3926D (aka ENE0100) CIR port"); -MODULE_AUTHOR("Maxim Levitsky"); -MODULE_LICENSE("GPL"); - -module_init(ene_init); -module_exit(ene_exit); diff --git a/drivers/staging/lirc/lirc_it87.c b/drivers/staging/lirc/lirc_it87.c index 09f3696..ec11c0e 100644 --- a/drivers/staging/lirc/lirc_it87.c +++ b/drivers/staging/lirc/lirc_it87.c @@ -109,6 +109,7 @@ static DECLARE_WAIT_QUEUE_HEAD(lirc_read_queue); static DEFINE_SPINLOCK(hardware_lock); static DEFINE_SPINLOCK(dev_lock); +static bool device_open; static int rx_buf[RBUF_LEN]; unsigned int rx_tail, rx_head; @@ -147,10 +148,11 @@ static void drop_port(void); static int lirc_open(struct inode *inode, struct file *file) { spin_lock(&dev_lock); - if (module_refcount(THIS_MODULE)) { + if (device_open) { spin_unlock(&dev_lock); return -EBUSY; } + device_open = true; spin_unlock(&dev_lock); return 0; } @@ -158,6 +160,9 @@ static int lirc_open(struct inode *inode, struct file *file) static int lirc_close(struct inode *inode, struct file *file) { + spin_lock(&dev_lock); + device_open = false; + spin_unlock(&dev_lock); return 0; } @@ -363,7 +368,6 @@ static struct lirc_driver driver = { }; -#ifdef MODULE static int init_chrdev(void) { driver.minor = lirc_register_driver(&driver); @@ -380,7 +384,6 @@ static void drop_chrdev(void) { lirc_unregister_driver(driver.minor); } -#endif /* SECTION: Hardware */ diff --git a/drivers/staging/lirc/lirc_parallel.c b/drivers/staging/lirc/lirc_parallel.c index a1ebd07..6da4a8c 100644 --- a/drivers/staging/lirc/lirc_parallel.c +++ b/drivers/staging/lirc/lirc_parallel.c @@ -240,7 +240,7 @@ static void irq_handler(void *blah) unsigned int level, newlevel; unsigned int timeout; - if (!module_refcount(THIS_MODULE)) + if (!is_open) return; if (!is_claimed) @@ -515,7 +515,7 @@ static long lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) static int lirc_open(struct inode *node, struct file *filep) { - if (module_refcount(THIS_MODULE) || !lirc_claim()) + if (is_open || !lirc_claim()) return -EBUSY; parport_enable_irq(pport); diff --git a/drivers/staging/lirc/lirc_streamzap.c b/drivers/staging/lirc/lirc_streamzap.c deleted file mode 100644 index be09c10..0000000 --- a/drivers/staging/lirc/lirc_streamzap.c +++ /dev/null @@ -1,821 +0,0 @@ -/* - * Streamzap Remote Control driver - * - * Copyright (c) 2005 Christoph Bartelmus <lirc@bartelmus.de> - * - * This driver was based on the work of Greg Wickham and Adrian - * Dewhurst. It was substantially rewritten to support correct signal - * gaps and now maintains a delay buffer, which is used to present - * consistent timing behaviour to user space applications. Without the - * delay buffer an ugly hack would be required in lircd, which can - * cause sluggish signal decoding in certain situations. - * - * This driver is based on the USB skeleton driver packaged with the - * kernel; copyright (C) 2001-2003 Greg Kroah-Hartman (greg@kroah.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/module.h> -#include <linux/smp_lock.h> -#include <linux/completion.h> -#include <linux/uaccess.h> -#include <linux/usb.h> - -#include <media/lirc.h> -#include <media/lirc_dev.h> - -#define DRIVER_VERSION "1.28" -#define DRIVER_NAME "lirc_streamzap" -#define DRIVER_DESC "Streamzap Remote Control driver" - -static int debug; - -#define USB_STREAMZAP_VENDOR_ID 0x0e9c -#define USB_STREAMZAP_PRODUCT_ID 0x0000 - -/* Use our own dbg macro */ -#define dprintk(fmt, args...) \ - do { \ - if (debug) \ - printk(KERN_DEBUG DRIVER_NAME "[%d]: " \ - fmt "\n", ## args); \ - } while (0) - -/* table of devices that work with this driver */ -static struct usb_device_id streamzap_table[] = { - /* Streamzap Remote Control */ - { USB_DEVICE(USB_STREAMZAP_VENDOR_ID, USB_STREAMZAP_PRODUCT_ID) }, - /* Terminating entry */ - { } -}; - -MODULE_DEVICE_TABLE(usb, streamzap_table); - -#define STREAMZAP_PULSE_MASK 0xf0 -#define STREAMZAP_SPACE_MASK 0x0f -#define STREAMZAP_TIMEOUT 0xff -#define STREAMZAP_RESOLUTION 256 - -/* number of samples buffered */ -#define STREAMZAP_BUF_LEN 128 - -enum StreamzapDecoderState { - PulseSpace, - FullPulse, - FullSpace, - IgnorePulse -}; - -/* Structure to hold all of our device specific stuff - * - * some remarks regarding locking: - * theoretically this struct can be accessed from three threads: - * - * - from lirc_dev through set_use_inc/set_use_dec - * - * - from the USB layer throuh probe/disconnect/irq - * - * Careful placement of lirc_register_driver/lirc_unregister_driver - * calls will prevent conflicts. lirc_dev makes sure that - * set_use_inc/set_use_dec are not being executed and will not be - * called after lirc_unregister_driver returns. - * - * - by the timer callback - * - * The timer is only running when the device is connected and the - * LIRC device is open. Making sure the timer is deleted by - * set_use_dec will make conflicts impossible. - */ -struct usb_streamzap { - - /* usb */ - /* save off the usb device pointer */ - struct usb_device *udev; - /* the interface for this device */ - struct usb_interface *interface; - - /* buffer & dma */ - unsigned char *buf_in; - dma_addr_t dma_in; - unsigned int buf_in_len; - - struct usb_endpoint_descriptor *endpoint; - - /* IRQ */ - struct urb *urb_in; - - /* lirc */ - struct lirc_driver *driver; - struct lirc_buffer *delay_buf; - - /* timer used to support delay buffering */ - struct timer_list delay_timer; - int timer_running; - spinlock_t timer_lock; - - /* tracks whether we are currently receiving some signal */ - int idle; - /* sum of signal lengths received since signal start */ - unsigned long sum; - /* start time of signal; necessary for gap tracking */ - struct timeval signal_last; - struct timeval signal_start; - enum StreamzapDecoderState decoder_state; - struct timer_list flush_timer; - int flush; - int in_use; - int timeout_enabled; -}; - - -/* local function prototypes */ -static int streamzap_probe(struct usb_interface *interface, - const struct usb_device_id *id); -static void streamzap_disconnect(struct usb_interface *interface); -static void usb_streamzap_irq(struct urb *urb); -static int streamzap_use_inc(void *data); -static void streamzap_use_dec(void *data); -static long streamzap_ioctl(struct file *filep, unsigned int cmd, - unsigned long arg); -static int streamzap_suspend(struct usb_interface *intf, pm_message_t message); -static int streamzap_resume(struct usb_interface *intf); - -/* usb specific object needed to register this driver with the usb subsystem */ - -static struct usb_driver streamzap_driver = { - .name = DRIVER_NAME, - .probe = streamzap_probe, - .disconnect = streamzap_disconnect, - .suspend = streamzap_suspend, - .resume = streamzap_resume, - .id_table = streamzap_table, -}; - -static void stop_timer(struct usb_streamzap *sz) -{ - unsigned long flags; - - spin_lock_irqsave(&sz->timer_lock, flags); - if (sz->timer_running) { - sz->timer_running = 0; - spin_unlock_irqrestore(&sz->timer_lock, flags); - del_timer_sync(&sz->delay_timer); - } else { - spin_unlock_irqrestore(&sz->timer_lock, flags); - } -} - -static void flush_timeout(unsigned long arg) -{ - struct usb_streamzap *sz = (struct usb_streamzap *) arg; - - /* finally start accepting data */ - sz->flush = 0; -} -static void delay_timeout(unsigned long arg) -{ - unsigned long flags; - /* deliver data every 10 ms */ - static unsigned long timer_inc = - (10000/(1000000/HZ)) == 0 ? 1 : (10000/(1000000/HZ)); - struct usb_streamzap *sz = (struct usb_streamzap *) arg; - int data; - - spin_lock_irqsave(&sz->timer_lock, flags); - - if (!lirc_buffer_empty(sz->delay_buf) && - !lirc_buffer_full(sz->driver->rbuf)) { - lirc_buffer_read(sz->delay_buf, (unsigned char *) &data); - lirc_buffer_write(sz->driver->rbuf, (unsigned char *) &data); - } - if (!lirc_buffer_empty(sz->delay_buf)) { - while (lirc_buffer_available(sz->delay_buf) < - STREAMZAP_BUF_LEN / 2 && - !lirc_buffer_full(sz->driver->rbuf)) { - lirc_buffer_read(sz->delay_buf, - (unsigned char *) &data); - lirc_buffer_write(sz->driver->rbuf, - (unsigned char *) &data); - } - if (sz->timer_running) { - sz->delay_timer.expires = jiffies + timer_inc; - add_timer(&sz->delay_timer); - } - } else { - sz->timer_running = 0; - } - - if (!lirc_buffer_empty(sz->driver->rbuf)) - wake_up(&sz->driver->rbuf->wait_poll); - - spin_unlock_irqrestore(&sz->timer_lock, flags); -} - -static void flush_delay_buffer(struct usb_streamzap *sz) -{ - int data; - int empty = 1; - - while (!lirc_buffer_empty(sz->delay_buf)) { - empty = 0; - lirc_buffer_read(sz->delay_buf, (unsigned char *) &data); - if (!lirc_buffer_full(sz->driver->rbuf)) { - lirc_buffer_write(sz->driver->rbuf, - (unsigned char *) &data); - } else { - dprintk("buffer overflow", sz->driver->minor); - } - } - if (!empty) - wake_up(&sz->driver->rbuf->wait_poll); -} - -static void push(struct usb_streamzap *sz, unsigned char *data) -{ - unsigned long flags; - - spin_lock_irqsave(&sz->timer_lock, flags); - if (lirc_buffer_full(sz->delay_buf)) { - int read_data; - - lirc_buffer_read(sz->delay_buf, - (unsigned char *) &read_data); - if (!lirc_buffer_full(sz->driver->rbuf)) { - lirc_buffer_write(sz->driver->rbuf, - (unsigned char *) &read_data); - } else { - dprintk("buffer overflow", sz->driver->minor); - } - } - - lirc_buffer_write(sz->delay_buf, data); - - if (!sz->timer_running) { - sz->delay_timer.expires = jiffies + HZ/10; - add_timer(&sz->delay_timer); - sz->timer_running = 1; - } - - spin_unlock_irqrestore(&sz->timer_lock, flags); -} - -static void push_full_pulse(struct usb_streamzap *sz, - unsigned char value) -{ - int pulse; - - if (sz->idle) { - long deltv; - int tmp; - - sz->signal_last = sz->signal_start; - do_gettimeofday(&sz->signal_start); - - deltv = sz->signal_start.tv_sec-sz->signal_last.tv_sec; - if (deltv > 15) { - /* really long time */ - tmp = LIRC_SPACE(LIRC_VALUE_MASK); - } else { - tmp = (int) (deltv*1000000+ - sz->signal_start.tv_usec - - sz->signal_last.tv_usec); - tmp -= sz->sum; - tmp = LIRC_SPACE(tmp); - } - dprintk("ls %u", sz->driver->minor, tmp); - push(sz, (char *)&tmp); - - sz->idle = 0; - sz->sum = 0; - } - - pulse = ((int) value) * STREAMZAP_RESOLUTION; - pulse += STREAMZAP_RESOLUTION / 2; - sz->sum += pulse; - pulse = LIRC_PULSE(pulse); - - dprintk("p %u", sz->driver->minor, pulse & PULSE_MASK); - push(sz, (char *)&pulse); -} - -static void push_half_pulse(struct usb_streamzap *sz, - unsigned char value) -{ - push_full_pulse(sz, (value & STREAMZAP_PULSE_MASK)>>4); -} - -static void push_full_space(struct usb_streamzap *sz, - unsigned char value) -{ - int space; - - space = ((int) value)*STREAMZAP_RESOLUTION; - space += STREAMZAP_RESOLUTION/2; - sz->sum += space; - space = LIRC_SPACE(space); - dprintk("s %u", sz->driver->minor, space); - push(sz, (char *)&space); -} - -static void push_half_space(struct usb_streamzap *sz, - unsigned char value) -{ - push_full_space(sz, value & STREAMZAP_SPACE_MASK); -} - -/** - * usb_streamzap_irq - IRQ handler - * - * This procedure is invoked on reception of data from - * the usb remote. - */ -static void usb_streamzap_irq(struct urb *urb) -{ - struct usb_streamzap *sz; - int len; - unsigned int i = 0; - - if (!urb) - return; - - sz = urb->context; - len = urb->actual_length; - - switch (urb->status) { - case -ECONNRESET: - case -ENOENT: - case -ESHUTDOWN: - /* - * this urb is terminated, clean up. - * sz might already be invalid at this point - */ - dprintk("urb status: %d", -1, urb->status); - return; - default: - break; - } - - dprintk("received %d", sz->driver->minor, urb->actual_length); - if (!sz->flush) { - for (i = 0; i < urb->actual_length; i++) { - dprintk("%d: %x", sz->driver->minor, - i, (unsigned char) sz->buf_in[i]); - switch (sz->decoder_state) { - case PulseSpace: - if ((sz->buf_in[i]&STREAMZAP_PULSE_MASK) == - STREAMZAP_PULSE_MASK) { - sz->decoder_state = FullPulse; - continue; - } else if ((sz->buf_in[i]&STREAMZAP_SPACE_MASK) - == STREAMZAP_SPACE_MASK) { - push_half_pulse(sz, sz->buf_in[i]); - sz->decoder_state = FullSpace; - continue; - } else { - push_half_pulse(sz, sz->buf_in[i]); - push_half_space(sz, sz->buf_in[i]); - } - break; - case FullPulse: - push_full_pulse(sz, sz->buf_in[i]); - sz->decoder_state = IgnorePulse; - break; - case FullSpace: - if (sz->buf_in[i] == STREAMZAP_TIMEOUT) { - sz->idle = 1; - stop_timer(sz); - if (sz->timeout_enabled) { - int timeout = - LIRC_TIMEOUT - (STREAMZAP_TIMEOUT * - STREAMZAP_RESOLUTION); - push(sz, (char *)&timeout); - } - flush_delay_buffer(sz); - } else - push_full_space(sz, sz->buf_in[i]); - sz->decoder_state = PulseSpace; - break; - case IgnorePulse: - if ((sz->buf_in[i]&STREAMZAP_SPACE_MASK) == - STREAMZAP_SPACE_MASK) { - sz->decoder_state = FullSpace; - continue; - } - push_half_space(sz, sz->buf_in[i]); - sz->decoder_state = PulseSpace; - break; - } - } - } - - usb_submit_urb(urb, GFP_ATOMIC); - - return; -} - -static const struct file_operations streamzap_fops = { - .owner = THIS_MODULE, - .unlocked_ioctl = streamzap_ioctl, - .read = lirc_dev_fop_read, - .write = lirc_dev_fop_write, - .poll = lirc_dev_fop_poll, - .open = lirc_dev_fop_open, - .release = lirc_dev_fop_close, -}; - - -/** - * streamzap_probe - * - * Called by usb-core to associated with a candidate device - * On any failure the return value is the ERROR - * On success return 0 - */ -static int streamzap_probe(struct usb_interface *interface, - const struct usb_device_id *id) -{ - struct usb_device *udev = interface_to_usbdev(interface); - struct usb_host_interface *iface_host; - struct usb_streamzap *sz; - struct lirc_driver *driver; - struct lirc_buffer *lirc_buf; - struct lirc_buffer *delay_buf; - char buf[63], name[128] = ""; - int retval = -ENOMEM; - int minor = 0; - - /* Allocate space for device driver specific data */ - sz = kzalloc(sizeof(struct usb_streamzap), GFP_KERNEL); - if (sz == NULL) - return -ENOMEM; - - sz->udev = udev; - sz->interface = interface; - - /* Check to ensure endpoint information matches requirements */ - iface_host = interface->cur_altsetting; - - if (iface_host->desc.bNumEndpoints != 1) { - err("%s: Unexpected desc.bNumEndpoints (%d)", __func__, - iface_host->desc.bNumEndpoints); - retval = -ENODEV; - goto free_sz; - } - - sz->endpoint = &(iface_host->endpoint[0].desc); - if ((sz->endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) - != USB_DIR_IN) { - err("%s: endpoint doesn't match input device 02%02x", - __func__, sz->endpoint->bEndpointAddress); - retval = -ENODEV; - goto free_sz; - } - - if ((sz->endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) - != USB_ENDPOINT_XFER_INT) { - err("%s: endpoint attributes don't match xfer 02%02x", - __func__, sz->endpoint->bmAttributes); - retval = -ENODEV; - goto free_sz; - } - - if (sz->endpoint->wMaxPacketSize == 0) { - err("%s: endpoint message size==0? ", __func__); - retval = -ENODEV; - goto free_sz; - } - - /* Allocate the USB buffer and IRQ URB */ - - sz->buf_in_len = sz->endpoint->wMaxPacketSize; - sz->buf_in = usb_alloc_coherent(sz->udev, sz->buf_in_len, - GFP_ATOMIC, &sz->dma_in); - if (sz->buf_in == NULL) - goto free_sz; - - sz->urb_in = usb_alloc_urb(0, GFP_KERNEL); - if (sz->urb_in == NULL) - goto free_sz; - - /* Connect this device to the LIRC sub-system */ - driver = kzalloc(sizeof(struct lirc_driver), GFP_KERNEL); - if (!driver) - goto free_sz; - - lirc_buf = kmalloc(sizeof(struct lirc_buffer), GFP_KERNEL); - if (!lirc_buf) - goto free_driver; - if (lirc_buffer_init(lirc_buf, sizeof(int), STREAMZAP_BUF_LEN)) - goto kfree_lirc_buf; - - delay_buf = kmalloc(sizeof(struct lirc_buffer), GFP_KERNEL); - if (!delay_buf) - goto free_lirc_buf; - if (lirc_buffer_init(delay_buf, sizeof(int), STREAMZAP_BUF_LEN)) - goto kfree_delay_buf; - - sz->driver = driver; - strcpy(sz->driver->name, DRIVER_NAME); - sz->driver->minor = -1; - sz->driver->sample_rate = 0; - sz->driver->code_length = sizeof(int) * 8; - sz->driver->features = LIRC_CAN_REC_MODE2 | - LIRC_CAN_GET_REC_RESOLUTION | - LIRC_CAN_SET_REC_TIMEOUT; - sz->driver->data = sz; - sz->driver->min_timeout = STREAMZAP_TIMEOUT * STREAMZAP_RESOLUTION; - sz->driver->max_timeout = STREAMZAP_TIMEOUT * STREAMZAP_RESOLUTION; - sz->driver->rbuf = lirc_buf; - sz->delay_buf = delay_buf; - sz->driver->set_use_inc = &streamzap_use_inc; - sz->driver->set_use_dec = &streamzap_use_dec; - sz->driver->fops = &streamzap_fops; - sz->driver->dev = &interface->dev; - sz->driver->owner = THIS_MODULE; - - sz->idle = 1; - sz->decoder_state = PulseSpace; - init_timer(&sz->delay_timer); - sz->delay_timer.function = delay_timeout; - sz->delay_timer.data = (unsigned long) sz; - sz->timer_running = 0; - spin_lock_init(&sz->timer_lock); - - init_timer(&sz->flush_timer); - sz->flush_timer.function = flush_timeout; - sz->flush_timer.data = (unsigned long) sz; - /* Complete final initialisations */ - - usb_fill_int_urb(sz->urb_in, udev, - usb_rcvintpipe(udev, sz->endpoint->bEndpointAddress), - sz->buf_in, sz->buf_in_len, usb_streamzap_irq, sz, - sz->endpoint->bInterval); - sz->urb_in->transfer_dma = sz->dma_in; - sz->urb_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; - - if (udev->descriptor.iManufacturer - && usb_string(udev, udev->descriptor.iManufacturer, - buf, sizeof(buf)) > 0) - strlcpy(name, buf, sizeof(name)); - - if (udev->descriptor.iProduct - && usb_string(udev, udev->descriptor.iProduct, - buf, sizeof(buf)) > 0) - snprintf(name + strlen(name), sizeof(name) - strlen(name), - " %s", buf); - - minor = lirc_register_driver(driver); - - if (minor < 0) - goto free_delay_buf; - - sz->driver->minor = minor; - - usb_set_intfdata(interface, sz); - - printk(KERN_INFO DRIVER_NAME "[%d]: %s on usb%d:%d attached\n", - sz->driver->minor, name, - udev->bus->busnum, sz->udev->devnum); - - return 0; - -free_delay_buf: - lirc_buffer_free(sz->delay_buf); -kfree_delay_buf: - kfree(delay_buf); -free_lirc_buf: - lirc_buffer_free(sz->driver->rbuf); -kfree_lirc_buf: - kfree(lirc_buf); -free_driver: - kfree(driver); -free_sz: - if (retval == -ENOMEM) - err("Out of memory"); - - if (sz) { - usb_free_urb(sz->urb_in); - usb_free_coherent(udev, sz->buf_in_len, sz->buf_in, sz->dma_in); - kfree(sz); - } - - return retval; -} - -static int streamzap_use_inc(void *data) -{ - struct usb_streamzap *sz = data; - - if (!sz) { - dprintk("%s called with no context", -1, __func__); - return -EINVAL; - } - dprintk("set use inc", sz->driver->minor); - - lirc_buffer_clear(sz->driver->rbuf); - lirc_buffer_clear(sz->delay_buf); - - sz->flush_timer.expires = jiffies + HZ; - sz->flush = 1; - add_timer(&sz->flush_timer); - - sz->urb_in->dev = sz->udev; - if (usb_submit_urb(sz->urb_in, GFP_ATOMIC)) { - dprintk("open result = -EIO error submitting urb", - sz->driver->minor); - return -EIO; - } - sz->in_use++; - - return 0; -} - -static void streamzap_use_dec(void *data) -{ - struct usb_streamzap *sz = data; - - if (!sz) { - dprintk("%s called with no context", -1, __func__); - return; - } - dprintk("set use dec", sz->driver->minor); - - if (sz->flush) { - sz->flush = 0; - del_timer_sync(&sz->flush_timer); - } - - usb_kill_urb(sz->urb_in); - - stop_timer(sz); - - sz->in_use--; -} - -static long streamzap_ioctl(struct file *filep, unsigned int cmd, - unsigned long arg) -{ - int result = 0; - int val; - struct usb_streamzap *sz = lirc_get_pdata(filep); - - switch (cmd) { - case LIRC_GET_REC_RESOLUTION: - result = put_user(STREAMZAP_RESOLUTION, (unsigned int *) arg); - break; - case LIRC_SET_REC_TIMEOUT: - result = get_user(val, (int *)arg); - if (result == 0) { - if (val == STREAMZAP_TIMEOUT * STREAMZAP_RESOLUTION) - sz->timeout_enabled = 1; - else if (val == 0) - sz->timeout_enabled = 0; - else - result = -EINVAL; - } - break; - default: - return lirc_dev_fop_ioctl(filep, cmd, arg); - } - return result; -} - -/** - * streamzap_disconnect - * - * Called by the usb core when the device is removed from the system. - * - * This routine guarantees that the driver will not submit any more urbs - * by clearing dev->udev. It is also supposed to terminate any currently - * active urbs. Unfortunately, usb_bulk_msg(), used in streamzap_read(), - * does not provide any way to do this. - */ -static void streamzap_disconnect(struct usb_interface *interface) -{ - struct usb_streamzap *sz; - int errnum; - int minor; - - sz = usb_get_intfdata(interface); - - /* unregister from the LIRC sub-system */ - - errnum = lirc_unregister_driver(sz->driver->minor); - if (errnum != 0) - dprintk("error in lirc_unregister: (returned %d)", - sz->driver->minor, errnum); - - lirc_buffer_free(sz->delay_buf); - lirc_buffer_free(sz->driver->rbuf); - - /* unregister from the USB sub-system */ - - usb_free_urb(sz->urb_in); - - usb_free_coherent(sz->udev, sz->buf_in_len, sz->buf_in, sz->dma_in); - - minor = sz->driver->minor; - kfree(sz->driver->rbuf); - kfree(sz->driver); - kfree(sz->delay_buf); - kfree(sz); - - printk(KERN_INFO DRIVER_NAME "[%d]: disconnected\n", minor); -} - -static int streamzap_suspend(struct usb_interface *intf, pm_message_t message) -{ - struct usb_streamzap *sz = usb_get_intfdata(intf); - - printk(KERN_INFO DRIVER_NAME "[%d]: suspend\n", sz->driver->minor); - if (sz->in_use) { - if (sz->flush) { - sz->flush = 0; - del_timer_sync(&sz->flush_timer); - } - - stop_timer(sz); - - usb_kill_urb(sz->urb_in); - } - return 0; -} - -static int streamzap_resume(struct usb_interface *intf) -{ - struct usb_streamzap *sz = usb_get_intfdata(intf); - - lirc_buffer_clear(sz->driver->rbuf); - lirc_buffer_clear(sz->delay_buf); - - if (sz->in_use) { - sz->flush_timer.expires = jiffies + HZ; - sz->flush = 1; - add_timer(&sz->flush_timer); - - sz->urb_in->dev = sz->udev; - if (usb_submit_urb(sz->urb_in, GFP_ATOMIC)) { - dprintk("open result = -EIO error submitting urb", - sz->driver->minor); - return -EIO; - } - } - return 0; -} - -/** - * usb_streamzap_init - */ -static int __init usb_streamzap_init(void) -{ - int result; - - /* register this driver with the USB subsystem */ - result = usb_register(&streamzap_driver); - - if (result) { - err("usb_register failed. Error number %d", - result); - return result; - } - - printk(KERN_INFO DRIVER_NAME " " DRIVER_VERSION " registered\n"); - return 0; -} - -/** - * usb_streamzap_exit - */ -static void __exit usb_streamzap_exit(void) -{ - usb_deregister(&streamzap_driver); -} - - -module_init(usb_streamzap_init); -module_exit(usb_streamzap_exit); - -MODULE_AUTHOR("Christoph Bartelmus, Greg Wickham, Adrian Dewhurst"); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); - -module_param(debug, bool, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(debug, "Enable debugging messages"); diff --git a/drivers/staging/pohmelfs/inode.c b/drivers/staging/pohmelfs/inode.c index bc1c605..97dae29 100644 --- a/drivers/staging/pohmelfs/inode.c +++ b/drivers/staging/pohmelfs/inode.c @@ -968,12 +968,18 @@ int pohmelfs_setattr_raw(struct inode *inode, struct iattr *attr) goto err_out_exit; } - err = inode_setattr(inode, attr); - if (err) { - dprintk("%s: ino: %llu, failed to set the attributes.\n", __func__, POHMELFS_I(inode)->ino); - goto err_out_exit; + if ((attr->ia_valid & ATTR_SIZE) && + attr->ia_size != i_size_read(inode)) { + err = vmtruncate(inode, attr->ia_size); + if (err) { + dprintk("%s: ino: %llu, failed to set the attributes.\n", __func__, POHMELFS_I(inode)->ino); + goto err_out_exit; + } } + setattr_copy(inode, attr); + mark_inode_dirty(inode); + dprintk("%s: ino: %llu, mode: %o -> %o, uid: %u -> %u, gid: %u -> %u, size: %llu -> %llu.\n", __func__, POHMELFS_I(inode)->ino, inode->i_mode, attr->ia_mode, inode->i_uid, attr->ia_uid, inode->i_gid, attr->ia_gid, inode->i_size, attr->ia_size); @@ -1217,7 +1223,7 @@ void pohmelfs_fill_inode(struct inode *inode, struct netfs_inode_info *info) } } -static void pohmelfs_drop_inode(struct inode *inode) +static int pohmelfs_drop_inode(struct inode *inode) { struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb); struct pohmelfs_inode *pi = POHMELFS_I(inode); @@ -1226,7 +1232,7 @@ static void pohmelfs_drop_inode(struct inode *inode) list_del_init(&pi->inode_entry); spin_unlock(&psb->ino_lock); - generic_drop_inode(inode); + return generic_drop_inode(inode); } static struct pohmelfs_inode *pohmelfs_get_inode_from_list(struct pohmelfs_sb *psb, diff --git a/drivers/staging/usbip/vhci_hcd.c b/drivers/staging/usbip/vhci_hcd.c index be5d8db..0574d84 100644 --- a/drivers/staging/usbip/vhci_hcd.c +++ b/drivers/staging/usbip/vhci_hcd.c @@ -215,7 +215,7 @@ static int vhci_hub_status(struct usb_hcd *hcd, char *buf) vhci = hcd_to_vhci(hcd); spin_lock_irqsave(&vhci->lock, flags); - if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) { + if (!HCD_HW_ACCESSIBLE(hcd)) { usbip_dbg_vhci_rh("hw accessible flag in on?\n"); goto done; } @@ -269,7 +269,7 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, u32 prev_port_status[VHCI_NPORTS]; - if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) + if (!HCD_HW_ACCESSIBLE(hcd)) return -ETIMEDOUT; /* @@ -1041,7 +1041,7 @@ static int vhci_bus_resume(struct usb_hcd *hcd) dev_dbg(&hcd->self.root_hub->dev, "%s\n", __func__); spin_lock_irq(&vhci->lock); - if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) { + if (!HCD_HW_ACCESSIBLE(hcd)) { rc = -ESHUTDOWN; } else { /* vhci->rh_state = DUMMY_RH_RUNNING; diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile index 80b4008..239f050 100644 --- a/drivers/usb/Makefile +++ b/drivers/usb/Makefile @@ -41,7 +41,7 @@ obj-$(CONFIG_USB_MICROTEK) += image/ obj-$(CONFIG_USB_SERIAL) += serial/ obj-$(CONFIG_USB) += misc/ -obj-y += early/ +obj-$(CONFIG_EARLY_PRINTK_DBGP) += early/ obj-$(CONFIG_USB_ATM) += atm/ obj-$(CONFIG_USB_SPEEDTOUCH) += atm/ diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c index 101ffc9..593fc5e 100644 --- a/drivers/usb/atm/cxacru.c +++ b/drivers/usb/atm/cxacru.c @@ -564,7 +564,7 @@ static void cxacru_timeout_kill(unsigned long data) } static int cxacru_start_wait_urb(struct urb *urb, struct completion *done, - int* actual_length) + int *actual_length) { struct timer_list timer; @@ -952,7 +952,7 @@ static int cxacru_fw(struct usb_device *usb_dev, enum cxacru_fw_request fw, put_unaligned(cpu_to_le32(addr), (__le32 *)(buf + offb)); offb += 4; addr += l; - if(l) + if (l) memcpy(buf + offb, data + offd, l); if (l < stride) memset(buf + offb + l, 0, stride - l); @@ -967,7 +967,7 @@ static int cxacru_fw(struct usb_device *usb_dev, enum cxacru_fw_request fw, } offb = 0; } - } while(offd < size); + } while (offd < size); dbg("sent fw %#x", fw); ret = 0; @@ -1043,8 +1043,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance, if (instance->modem_type->boot_rom_patch) { val = cpu_to_le32(BR_ADDR); ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, BR_STACK_ADDR, (u8 *) &val, 4); - } - else { + } else { ret = cxacru_fw(usb_dev, FW_GOTO_MEM, 0x0, 0x0, FW_ADDR, NULL, 0); } if (ret) { @@ -1068,7 +1067,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance, } static int cxacru_find_firmware(struct cxacru_data *instance, - char* phase, const struct firmware **fw_p) + char *phase, const struct firmware **fw_p) { struct usbatm_data *usbatm = instance->usbatm; struct device *dev = &usbatm->usb_intf->dev; diff --git a/drivers/usb/atm/speedtch.c b/drivers/usb/atm/speedtch.c index 80f9617..4716e70 100644 --- a/drivers/usb/atm/speedtch.c +++ b/drivers/usb/atm/speedtch.c @@ -753,11 +753,13 @@ static struct usb_driver speedtch_usb_driver = { .id_table = speedtch_usb_ids }; -static void speedtch_release_interfaces(struct usb_device *usb_dev, int num_interfaces) { +static void speedtch_release_interfaces(struct usb_device *usb_dev, + int num_interfaces) +{ struct usb_interface *cur_intf; int i; - for(i = 0; i < num_interfaces; i++) + for (i = 0; i < num_interfaces; i++) if ((cur_intf = usb_ifnum_to_if(usb_dev, i))) { usb_set_intfdata(cur_intf, NULL); usb_driver_release_interface(&speedtch_usb_driver, cur_intf); @@ -792,7 +794,7 @@ static int speedtch_bind(struct usbatm_data *usbatm, /* claim all interfaces */ - for (i=0; i < num_interfaces; i++) { + for (i = 0; i < num_interfaces; i++) { cur_intf = usb_ifnum_to_if(usb_dev, i); if ((i != ifnum) && cur_intf) { @@ -842,7 +844,7 @@ static int speedtch_bind(struct usbatm_data *usbatm, use_isoc = 0; /* fall back to bulk if endpoint not found */ - for (i=0; i<desc->desc.bNumEndpoints; i++) { + for (i = 0; i < desc->desc.bNumEndpoints; i++) { const struct usb_endpoint_descriptor *endpoint_desc = &desc->endpoint[i].desc; if ((endpoint_desc->bEndpointAddress == target_address)) { diff --git a/drivers/usb/atm/ueagle-atm.c b/drivers/usb/atm/ueagle-atm.c index ebae944..5b3f555 100644 --- a/drivers/usb/atm/ueagle-atm.c +++ b/drivers/usb/atm/ueagle-atm.c @@ -67,6 +67,7 @@ #include <linux/mutex.h> #include <linux/freezer.h> #include <linux/slab.h> +#include <linux/kernel.h> #include <asm/unaligned.h> @@ -2436,7 +2437,6 @@ UEA_ATTR(firmid, 0); /* Retrieve the device End System Identifier (MAC) */ -#define htoi(x) (isdigit(x) ? x-'0' : toupper(x)-'A'+10) static int uea_getesi(struct uea_softc *sc, u_char * esi) { unsigned char mac_str[2 * ETH_ALEN + 1]; @@ -2447,7 +2447,8 @@ static int uea_getesi(struct uea_softc *sc, u_char * esi) return 1; for (i = 0; i < ETH_ALEN; i++) - esi[i] = htoi(mac_str[2 * i]) * 16 + htoi(mac_str[2 * i + 1]); + esi[i] = hex_to_bin(mac_str[2 * i]) * 16 + + hex_to_bin(mac_str[2 * i + 1]); return 0; } diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c index 9b53e8d..05bf5a2 100644 --- a/drivers/usb/atm/usbatm.c +++ b/drivers/usb/atm/usbatm.c @@ -84,8 +84,8 @@ #ifdef VERBOSE_DEBUG static int usbatm_print_packet(const unsigned char *data, int len); -#define PACKETDEBUG(arg...) usbatm_print_packet (arg) -#define vdbg(arg...) dbg (arg) +#define PACKETDEBUG(arg...) usbatm_print_packet(arg) +#define vdbg(arg...) dbg(arg) #else #define PACKETDEBUG(arg...) #define vdbg(arg...) @@ -273,8 +273,7 @@ static void usbatm_complete(struct urb *urb) if (unlikely(status) && (!(channel->usbatm->flags & UDSL_IGNORE_EILSEQ) || - status != -EILSEQ )) - { + status != -EILSEQ)) { if (status == -ESHUTDOWN) return; @@ -494,7 +493,7 @@ static unsigned int usbatm_write_cells(struct usbatm_data *instance, ptr += data_len; __skb_pull(skb, data_len); - if(!left) + if (!left) continue; memset(ptr, 0, left); @@ -506,7 +505,7 @@ static unsigned int usbatm_write_cells(struct usbatm_data *instance, trailer[2] = ctrl->len >> 8; trailer[3] = ctrl->len; - ctrl->crc = ~ crc32_be(ctrl->crc, ptr, left - 4); + ctrl->crc = ~crc32_be(ctrl->crc, ptr, left - 4); trailer[4] = ctrl->crc >> 24; trailer[5] = ctrl->crc >> 16; @@ -516,8 +515,7 @@ static unsigned int usbatm_write_cells(struct usbatm_data *instance, target[3] |= 0x2; /* adjust PTI */ ctrl->len = 0; /* tag this skb finished */ - } - else + } else ctrl->crc = crc32_be(ctrl->crc, ptr, left); } @@ -1146,7 +1144,7 @@ int usbatm_usb_probe(struct usb_interface *intf, const struct usb_device_id *id, instance->tx_channel.endpoint = usb_sndbulkpipe(usb_dev, driver->bulk_out); /* tx buffer size must be a positive multiple of the stride */ - instance->tx_channel.buf_size = max (instance->tx_channel.stride, + instance->tx_channel.buf_size = max(instance->tx_channel.stride, snd_buf_bytes - (snd_buf_bytes % instance->tx_channel.stride)); /* rx buffer size must be a positive multiple of the endpoint maxpacket */ @@ -1159,7 +1157,7 @@ int usbatm_usb_probe(struct usb_interface *intf, const struct usb_device_id *id, goto fail_unbind; } - num_packets = max (1U, (rcv_buf_bytes + maxpacket / 2) / maxpacket); /* round */ + num_packets = max(1U, (rcv_buf_bytes + maxpacket / 2) / maxpacket); /* round */ if (num_packets * maxpacket > UDSL_MAX_BUF_SIZE) num_packets--; @@ -1262,7 +1260,7 @@ int usbatm_usb_probe(struct usb_interface *intf, const struct usb_device_id *id, usb_free_urb(instance->urbs[i]); } - kfree (instance); + kfree(instance); return error; } @@ -1390,9 +1388,8 @@ static int usbatm_print_packet(const unsigned char *data, int len) for (i = 0; i < len;) { buffer[0] = '\0'; sprintf(buffer, "%.3d :", i); - for (j = 0; (j < 16) && (i < len); j++, i++) { + for (j = 0; (j < 16) && (i < len); j++, i++) sprintf(buffer, "%s %2.2x", buffer, data[i]); - } dbg("%s", buffer); } return i; diff --git a/drivers/usb/atm/usbatm.h b/drivers/usb/atm/usbatm.h index 0863f85..5fc4894 100644 --- a/drivers/usb/atm/usbatm.h +++ b/drivers/usb/atm/usbatm.h @@ -48,7 +48,7 @@ dev_warn(&(instance)->usb_intf->dev, \ "failed assertion '%s' at line %d", \ __stringify(x), __LINE__); \ - } while(0) + } while (0) #endif #define usb_err(instance, format, arg...) \ @@ -59,7 +59,7 @@ dev_warn(&(instance)->usb_intf->dev , format , ## arg) #ifdef DEBUG #define usb_dbg(instance, format, arg...) \ - dev_printk(KERN_DEBUG , &(instance)->usb_intf->dev , format , ## arg) + dev_printk(KERN_DEBUG , &(instance)->usb_intf->dev , format , ## arg) #else #define usb_dbg(instance, format, arg...) \ do {} while (0) @@ -104,21 +104,21 @@ struct usbatm_data; /* * Assuming all methods exist and succeed, they are called in this order: * -* bind, heavy_init, atm_start, ..., atm_stop, unbind +* bind, heavy_init, atm_start, ..., atm_stop, unbind */ struct usbatm_driver { const char *driver_name; /* init device ... can sleep, or cause probe() failure */ - int (*bind) (struct usbatm_data *, struct usb_interface *, + int (*bind) (struct usbatm_data *, struct usb_interface *, const struct usb_device_id *id); /* additional device initialization that is too slow to be done in probe() */ - int (*heavy_init) (struct usbatm_data *, struct usb_interface *); + int (*heavy_init) (struct usbatm_data *, struct usb_interface *); /* cleanup device ... can sleep, but can't fail */ - void (*unbind) (struct usbatm_data *, struct usb_interface *); + void (*unbind) (struct usbatm_data *, struct usb_interface *); /* init ATM device ... can sleep, or cause ATM initialization failure */ int (*atm_start) (struct usbatm_data *, struct atm_dev *); @@ -126,9 +126,9 @@ struct usbatm_driver { /* cleanup ATM device ... can sleep, but can't fail */ void (*atm_stop) (struct usbatm_data *, struct atm_dev *); - int bulk_in; /* bulk rx endpoint */ - int isoc_in; /* isochronous rx endpoint */ - int bulk_out; /* bulk tx endpoint */ + int bulk_in; /* bulk rx endpoint */ + int isoc_in; /* isochronous rx endpoint */ + int bulk_out; /* bulk tx endpoint */ unsigned rx_padding; unsigned tx_padding; @@ -156,7 +156,7 @@ struct usbatm_channel { struct usbatm_data { /****************** * public fields * - ******************/ + ******************/ /* mini driver */ struct usbatm_driver *driver; @@ -174,7 +174,7 @@ struct usbatm_data { /******************************** * private fields - do not use * - ********************************/ + ********************************/ struct kref refcount; struct mutex serialize; diff --git a/drivers/usb/atm/xusbatm.c b/drivers/usb/atm/xusbatm.c index 17d167b..48ee0c5 100644 --- a/drivers/usb/atm/xusbatm.c +++ b/drivers/usb/atm/xusbatm.c @@ -49,13 +49,13 @@ static struct usbatm_driver xusbatm_drivers[XUSBATM_DRIVERS_MAX]; static struct usb_device_id xusbatm_usb_ids[XUSBATM_DRIVERS_MAX + 1]; static struct usb_driver xusbatm_usb_driver; -static struct usb_interface *xusbatm_find_intf (struct usb_device *usb_dev, int altsetting, u8 ep) +static struct usb_interface *xusbatm_find_intf(struct usb_device *usb_dev, int altsetting, u8 ep) { struct usb_host_interface *alt; struct usb_interface *intf; int i, j; - for(i = 0; i < usb_dev->actconfig->desc.bNumInterfaces; i++) + for (i = 0; i < usb_dev->actconfig->desc.bNumInterfaces; i++) if ((intf = usb_dev->actconfig->interface[i]) && (alt = usb_altnum_to_altsetting(intf, altsetting))) for (j = 0; j < alt->desc.bNumEndpoints; j++) if (alt->endpoint[j].desc.bEndpointAddress == ep) @@ -63,7 +63,7 @@ static struct usb_interface *xusbatm_find_intf (struct usb_device *usb_dev, int return NULL; } -static int xusbatm_capture_intf (struct usbatm_data *usbatm, struct usb_device *usb_dev, +static int xusbatm_capture_intf(struct usbatm_data *usbatm, struct usb_device *usb_dev, struct usb_interface *intf, int altsetting, int claim) { int ifnum = intf->altsetting->desc.bInterfaceNumber; @@ -80,7 +80,7 @@ static int xusbatm_capture_intf (struct usbatm_data *usbatm, struct usb_device * return 0; } -static void xusbatm_release_intf (struct usb_device *usb_dev, struct usb_interface *intf, int claimed) +static void xusbatm_release_intf(struct usb_device *usb_dev, struct usb_interface *intf, int claimed) { if (claimed) { usb_set_intfdata(intf, NULL); @@ -147,7 +147,7 @@ static void xusbatm_unbind(struct usbatm_data *usbatm, usb_dbg(usbatm, "%s entered\n", __func__); - for(i = 0; i < usb_dev->actconfig->desc.bNumInterfaces; i++) { + for (i = 0; i < usb_dev->actconfig->desc.bNumInterfaces; i++) { struct usb_interface *cur_intf = usb_dev->actconfig->interface[i]; if (cur_intf && (usb_get_intfdata(cur_intf) == usbatm)) { diff --git a/drivers/usb/c67x00/c67x00-hcd.c b/drivers/usb/c67x00/c67x00-hcd.c index a22b887..d3e1356 100644 --- a/drivers/usb/c67x00/c67x00-hcd.c +++ b/drivers/usb/c67x00/c67x00-hcd.c @@ -264,7 +264,7 @@ static void c67x00_hcd_irq(struct c67x00_sie *sie, u16 int_status, u16 msg) if (unlikely(hcd->state == HC_STATE_HALT)) return; - if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) + if (!HCD_HW_ACCESSIBLE(hcd)) return; /* Handle Start of frame events */ @@ -282,7 +282,7 @@ static int c67x00_hcd_start(struct usb_hcd *hcd) { hcd->uses_new_polling = 1; hcd->state = HC_STATE_RUNNING; - hcd->poll_rh = 1; + set_bit(HCD_FLAG_POLL_RH, &hcd->flags); return 0; } diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 89d260d..1833b3a 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -636,19 +636,13 @@ static void acm_tty_unregister(struct acm *acm) static int acm_tty_chars_in_buffer(struct tty_struct *tty); -static void acm_port_down(struct acm *acm, int drain) +static void acm_port_down(struct acm *acm) { int i, nr = acm->rx_buflimit; mutex_lock(&open_mutex); if (acm->dev) { usb_autopm_get_interface(acm->control); acm_set_control(acm, acm->ctrlout = 0); - /* try letting the last writes drain naturally */ - if (drain) { - wait_event_interruptible_timeout(acm->drain_wait, - (ACM_NW == acm_wb_is_avail(acm)) || !acm->dev, - ACM_CLOSE_TIMEOUT * HZ); - } usb_kill_urb(acm->ctrlurb); for (i = 0; i < ACM_NW; i++) usb_kill_urb(acm->wb[i].urb); @@ -664,7 +658,7 @@ static void acm_tty_hangup(struct tty_struct *tty) { struct acm *acm = tty->driver_data; tty_port_hangup(&acm->port); - acm_port_down(acm, 0); + acm_port_down(acm); } static void acm_tty_close(struct tty_struct *tty, struct file *filp) @@ -685,7 +679,7 @@ static void acm_tty_close(struct tty_struct *tty, struct file *filp) mutex_unlock(&open_mutex); return; } - acm_port_down(acm, 0); + acm_port_down(acm); tty_port_close_end(&acm->port, tty); tty_port_tty_set(&acm->port, NULL); } diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index 84f9e52..e325162 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -135,7 +135,7 @@ MFG:HEWLETT-PACKARD;MDL:DESKJET 970C;CMD:MLC,PCL,PML;CLASS:PRINTER;DESCRIPTION:H * ->lock locks what interrupt accesses. */ struct usblp { - struct usb_device *dev; /* USB device */ + struct usb_device *dev; /* USB device */ struct mutex wmut; struct mutex mut; spinlock_t lock; /* locks rcomplete, wcomplete */ @@ -169,7 +169,8 @@ struct usblp { }; #ifdef DEBUG -static void usblp_dump(struct usblp *usblp) { +static void usblp_dump(struct usblp *usblp) +{ int p; dbg("usblp=0x%p", usblp); @@ -216,8 +217,8 @@ static const struct quirk_printer_struct quirk_printers[] = { { 0x03f0, 0x0304, USBLP_QUIRK_BIDIR }, /* HP DeskJet 810C/812C */ { 0x03f0, 0x0404, USBLP_QUIRK_BIDIR }, /* HP DeskJet 830C */ { 0x03f0, 0x0504, USBLP_QUIRK_BIDIR }, /* HP DeskJet 885C */ - { 0x03f0, 0x0604, USBLP_QUIRK_BIDIR }, /* HP DeskJet 840C */ - { 0x03f0, 0x0804, USBLP_QUIRK_BIDIR }, /* HP DeskJet 816C */ + { 0x03f0, 0x0604, USBLP_QUIRK_BIDIR }, /* HP DeskJet 840C */ + { 0x03f0, 0x0804, USBLP_QUIRK_BIDIR }, /* HP DeskJet 816C */ { 0x03f0, 0x1104, USBLP_QUIRK_BIDIR }, /* HP Deskjet 959C */ { 0x0409, 0xefbe, USBLP_QUIRK_BIDIR }, /* NEC Picty900 (HP OEM) */ { 0x0409, 0xbef4, USBLP_QUIRK_BIDIR }, /* NEC Picty760 (HP OEM) */ @@ -254,9 +255,8 @@ static int usblp_ctrl_msg(struct usblp *usblp, int request, int type, int dir, i /* High byte has the interface index. Low byte has the alternate setting. */ - if ((request == USBLP_REQ_GET_ID) && (type == USB_TYPE_CLASS)) { - index = (usblp->ifnum<<8)|usblp->protocol[usblp->current_protocol].alt_setting; - } + if ((request == USBLP_REQ_GET_ID) && (type == USB_TYPE_CLASS)) + index = (usblp->ifnum<<8)|usblp->protocol[usblp->current_protocol].alt_setting; retval = usb_control_msg(usblp->dev, dir ? usb_rcvctrlpipe(usblp->dev, 0) : usb_sndctrlpipe(usblp->dev, 0), @@ -372,7 +372,7 @@ static int usblp_check_status(struct usblp *usblp, int err) return newerr; } -static int handle_bidir (struct usblp *usblp) +static int handle_bidir(struct usblp *usblp) { if (usblp->bidir && usblp->used) { if (usblp_submit_read(usblp) < 0) @@ -395,14 +395,13 @@ static int usblp_open(struct inode *inode, struct file *file) if (minor < 0) return -ENODEV; - mutex_lock (&usblp_mutex); + mutex_lock(&usblp_mutex); retval = -ENODEV; intf = usb_find_interface(&usblp_driver, minor); - if (!intf) { + if (!intf) goto out; - } - usblp = usb_get_intfdata (intf); + usblp = usb_get_intfdata(intf); if (!usblp || !usblp->dev || !usblp->present) goto out; @@ -433,18 +432,18 @@ static int usblp_open(struct inode *inode, struct file *file) retval = -EIO; } out: - mutex_unlock (&usblp_mutex); + mutex_unlock(&usblp_mutex); return retval; } -static void usblp_cleanup (struct usblp *usblp) +static void usblp_cleanup(struct usblp *usblp) { printk(KERN_INFO "usblp%d: removed\n", usblp->minor); kfree(usblp->readbuf); - kfree (usblp->device_id_string); - kfree (usblp->statusbuf); - kfree (usblp); + kfree(usblp->device_id_string); + kfree(usblp->statusbuf); + kfree(usblp); } static void usblp_unlink_urbs(struct usblp *usblp) @@ -458,14 +457,14 @@ static int usblp_release(struct inode *inode, struct file *file) usblp->flags &= ~LP_ABORT; - mutex_lock (&usblp_mutex); + mutex_lock(&usblp_mutex); usblp->used = 0; if (usblp->present) { usblp_unlink_urbs(usblp); usb_autopm_put_interface(usblp->intf); - } else /* finish cleanup from disconnect */ - usblp_cleanup (usblp); - mutex_unlock (&usblp_mutex); + } else /* finish cleanup from disconnect */ + usblp_cleanup(usblp); + mutex_unlock(&usblp_mutex); return 0; } @@ -495,190 +494,190 @@ static long usblp_ioctl(struct file *file, unsigned int cmd, unsigned long arg) int twoints[2]; int retval = 0; - mutex_lock (&usblp->mut); + mutex_lock(&usblp->mut); if (!usblp->present) { retval = -ENODEV; goto done; } dbg("usblp_ioctl: cmd=0x%x (%c nr=%d len=%d dir=%d)", cmd, _IOC_TYPE(cmd), - _IOC_NR(cmd), _IOC_SIZE(cmd), _IOC_DIR(cmd) ); + _IOC_NR(cmd), _IOC_SIZE(cmd), _IOC_DIR(cmd)); if (_IOC_TYPE(cmd) == 'P') /* new-style ioctl number */ switch (_IOC_NR(cmd)) { - case IOCNR_GET_DEVICE_ID: /* get the DEVICE_ID string */ - if (_IOC_DIR(cmd) != _IOC_READ) { - retval = -EINVAL; - goto done; - } + case IOCNR_GET_DEVICE_ID: /* get the DEVICE_ID string */ + if (_IOC_DIR(cmd) != _IOC_READ) { + retval = -EINVAL; + goto done; + } - length = usblp_cache_device_id_string(usblp); - if (length < 0) { - retval = length; - goto done; - } - if (length > _IOC_SIZE(cmd)) - length = _IOC_SIZE(cmd); /* truncate */ - - if (copy_to_user((void __user *) arg, - usblp->device_id_string, - (unsigned long) length)) { - retval = -EFAULT; - goto done; - } + length = usblp_cache_device_id_string(usblp); + if (length < 0) { + retval = length; + goto done; + } + if (length > _IOC_SIZE(cmd)) + length = _IOC_SIZE(cmd); /* truncate */ + + if (copy_to_user((void __user *) arg, + usblp->device_id_string, + (unsigned long) length)) { + retval = -EFAULT; + goto done; + } - break; + break; - case IOCNR_GET_PROTOCOLS: - if (_IOC_DIR(cmd) != _IOC_READ || - _IOC_SIZE(cmd) < sizeof(twoints)) { - retval = -EINVAL; - goto done; - } + case IOCNR_GET_PROTOCOLS: + if (_IOC_DIR(cmd) != _IOC_READ || + _IOC_SIZE(cmd) < sizeof(twoints)) { + retval = -EINVAL; + goto done; + } - twoints[0] = usblp->current_protocol; - twoints[1] = 0; - for (i = USBLP_FIRST_PROTOCOL; - i <= USBLP_LAST_PROTOCOL; i++) { - if (usblp->protocol[i].alt_setting >= 0) - twoints[1] |= (1<<i); - } + twoints[0] = usblp->current_protocol; + twoints[1] = 0; + for (i = USBLP_FIRST_PROTOCOL; + i <= USBLP_LAST_PROTOCOL; i++) { + if (usblp->protocol[i].alt_setting >= 0) + twoints[1] |= (1<<i); + } - if (copy_to_user((void __user *)arg, - (unsigned char *)twoints, - sizeof(twoints))) { - retval = -EFAULT; - goto done; - } + if (copy_to_user((void __user *)arg, + (unsigned char *)twoints, + sizeof(twoints))) { + retval = -EFAULT; + goto done; + } - break; + break; - case IOCNR_SET_PROTOCOL: - if (_IOC_DIR(cmd) != _IOC_WRITE) { - retval = -EINVAL; - goto done; - } + case IOCNR_SET_PROTOCOL: + if (_IOC_DIR(cmd) != _IOC_WRITE) { + retval = -EINVAL; + goto done; + } #ifdef DEBUG - if (arg == -10) { - usblp_dump(usblp); - break; - } + if (arg == -10) { + usblp_dump(usblp); + break; + } #endif - usblp_unlink_urbs(usblp); - retval = usblp_set_protocol(usblp, arg); - if (retval < 0) { - usblp_set_protocol(usblp, - usblp->current_protocol); - } - break; + usblp_unlink_urbs(usblp); + retval = usblp_set_protocol(usblp, arg); + if (retval < 0) { + usblp_set_protocol(usblp, + usblp->current_protocol); + } + break; - case IOCNR_HP_SET_CHANNEL: - if (_IOC_DIR(cmd) != _IOC_WRITE || - le16_to_cpu(usblp->dev->descriptor.idVendor) != 0x03F0 || - usblp->quirks & USBLP_QUIRK_BIDIR) { - retval = -EINVAL; - goto done; - } + case IOCNR_HP_SET_CHANNEL: + if (_IOC_DIR(cmd) != _IOC_WRITE || + le16_to_cpu(usblp->dev->descriptor.idVendor) != 0x03F0 || + usblp->quirks & USBLP_QUIRK_BIDIR) { + retval = -EINVAL; + goto done; + } - err = usblp_hp_channel_change_request(usblp, - arg, &newChannel); - if (err < 0) { - dev_err(&usblp->dev->dev, - "usblp%d: error = %d setting " - "HP channel\n", - usblp->minor, err); - retval = -EIO; - goto done; - } + err = usblp_hp_channel_change_request(usblp, + arg, &newChannel); + if (err < 0) { + dev_err(&usblp->dev->dev, + "usblp%d: error = %d setting " + "HP channel\n", + usblp->minor, err); + retval = -EIO; + goto done; + } - dbg("usblp%d requested/got HP channel %ld/%d", - usblp->minor, arg, newChannel); - break; + dbg("usblp%d requested/got HP channel %ld/%d", + usblp->minor, arg, newChannel); + break; - case IOCNR_GET_BUS_ADDRESS: - if (_IOC_DIR(cmd) != _IOC_READ || - _IOC_SIZE(cmd) < sizeof(twoints)) { - retval = -EINVAL; - goto done; - } + case IOCNR_GET_BUS_ADDRESS: + if (_IOC_DIR(cmd) != _IOC_READ || + _IOC_SIZE(cmd) < sizeof(twoints)) { + retval = -EINVAL; + goto done; + } - twoints[0] = usblp->dev->bus->busnum; - twoints[1] = usblp->dev->devnum; - if (copy_to_user((void __user *)arg, - (unsigned char *)twoints, - sizeof(twoints))) { - retval = -EFAULT; - goto done; - } + twoints[0] = usblp->dev->bus->busnum; + twoints[1] = usblp->dev->devnum; + if (copy_to_user((void __user *)arg, + (unsigned char *)twoints, + sizeof(twoints))) { + retval = -EFAULT; + goto done; + } - dbg("usblp%d is bus=%d, device=%d", - usblp->minor, twoints[0], twoints[1]); - break; + dbg("usblp%d is bus=%d, device=%d", + usblp->minor, twoints[0], twoints[1]); + break; - case IOCNR_GET_VID_PID: - if (_IOC_DIR(cmd) != _IOC_READ || - _IOC_SIZE(cmd) < sizeof(twoints)) { - retval = -EINVAL; - goto done; - } + case IOCNR_GET_VID_PID: + if (_IOC_DIR(cmd) != _IOC_READ || + _IOC_SIZE(cmd) < sizeof(twoints)) { + retval = -EINVAL; + goto done; + } - twoints[0] = le16_to_cpu(usblp->dev->descriptor.idVendor); - twoints[1] = le16_to_cpu(usblp->dev->descriptor.idProduct); - if (copy_to_user((void __user *)arg, - (unsigned char *)twoints, - sizeof(twoints))) { - retval = -EFAULT; - goto done; - } + twoints[0] = le16_to_cpu(usblp->dev->descriptor.idVendor); + twoints[1] = le16_to_cpu(usblp->dev->descriptor.idProduct); + if (copy_to_user((void __user *)arg, + (unsigned char *)twoints, + sizeof(twoints))) { + retval = -EFAULT; + goto done; + } - dbg("usblp%d is VID=0x%4.4X, PID=0x%4.4X", - usblp->minor, twoints[0], twoints[1]); - break; + dbg("usblp%d is VID=0x%4.4X, PID=0x%4.4X", + usblp->minor, twoints[0], twoints[1]); + break; - case IOCNR_SOFT_RESET: - if (_IOC_DIR(cmd) != _IOC_NONE) { - retval = -EINVAL; - goto done; - } - retval = usblp_reset(usblp); - break; - default: - retval = -ENOTTY; + case IOCNR_SOFT_RESET: + if (_IOC_DIR(cmd) != _IOC_NONE) { + retval = -EINVAL; + goto done; + } + retval = usblp_reset(usblp); + break; + default: + retval = -ENOTTY; } else /* old-style ioctl value */ switch (cmd) { - case LPGETSTATUS: - if ((retval = usblp_read_status(usblp, usblp->statusbuf))) { - if (printk_ratelimit()) - printk(KERN_ERR "usblp%d:" - "failed reading printer status (%d)\n", - usblp->minor, retval); - retval = -EIO; - goto done; - } - status = *usblp->statusbuf; - if (copy_to_user ((void __user *)arg, &status, sizeof(int))) - retval = -EFAULT; - break; + case LPGETSTATUS: + if ((retval = usblp_read_status(usblp, usblp->statusbuf))) { + if (printk_ratelimit()) + printk(KERN_ERR "usblp%d:" + "failed reading printer status (%d)\n", + usblp->minor, retval); + retval = -EIO; + goto done; + } + status = *usblp->statusbuf; + if (copy_to_user((void __user *)arg, &status, sizeof(int))) + retval = -EFAULT; + break; - case LPABORT: - if (arg) - usblp->flags |= LP_ABORT; - else - usblp->flags &= ~LP_ABORT; - break; + case LPABORT: + if (arg) + usblp->flags |= LP_ABORT; + else + usblp->flags &= ~LP_ABORT; + break; - default: - retval = -ENOTTY; + default: + retval = -ENOTTY; } done: - mutex_unlock (&usblp->mut); + mutex_unlock(&usblp->mut); return retval; } @@ -840,7 +839,7 @@ static ssize_t usblp_read(struct file *file, char __user *buffer, size_t len, lo } done: - mutex_unlock (&usblp->mut); + mutex_unlock(&usblp->mut); return count; } @@ -1023,7 +1022,7 @@ raise_urb: * while you are sending print data, and you don't try to query the * printer status every couple of milliseconds, you will probably be OK. */ -static unsigned int usblp_quirks (__u16 vendor, __u16 product) +static unsigned int usblp_quirks(__u16 vendor, __u16 product) { int i; @@ -1031,7 +1030,7 @@ static unsigned int usblp_quirks (__u16 vendor, __u16 product) if (vendor == quirk_printers[i].vendorId && product == quirk_printers[i].productId) return quirk_printers[i].quirks; - } + } return 0; } @@ -1061,7 +1060,7 @@ static struct usb_class_driver usblp_class = { static ssize_t usblp_show_ieee1284_id(struct device *dev, struct device_attribute *attr, char *buf) { struct usb_interface *intf = to_usb_interface(dev); - struct usblp *usblp = usb_get_intfdata (intf); + struct usblp *usblp = usb_get_intfdata(intf); if (usblp->device_id_string[0] == 0 && usblp->device_id_string[1] == 0) @@ -1075,7 +1074,7 @@ static DEVICE_ATTR(ieee1284_id, S_IRUGO, usblp_show_ieee1284_id, NULL); static int usblp_probe(struct usb_interface *intf, const struct usb_device_id *id) { - struct usb_device *dev = interface_to_usbdev (intf); + struct usb_device *dev = interface_to_usbdev(intf); struct usblp *usblp; int protocol; int retval; @@ -1089,7 +1088,7 @@ static int usblp_probe(struct usb_interface *intf, } usblp->dev = dev; mutex_init(&usblp->wmut); - mutex_init (&usblp->mut); + mutex_init(&usblp->mut); spin_lock_init(&usblp->lock); init_waitqueue_head(&usblp->rwait); init_waitqueue_head(&usblp->wwait); @@ -1153,7 +1152,7 @@ static int usblp_probe(struct usb_interface *intf, usblp_check_status(usblp, 0); #endif - usb_set_intfdata (intf, usblp); + usb_set_intfdata(intf, usblp); usblp->present = 1; @@ -1177,7 +1176,7 @@ static int usblp_probe(struct usb_interface *intf, return 0; abort_intfdata: - usb_set_intfdata (intf, NULL); + usb_set_intfdata(intf, NULL); device_remove_file(&intf->dev, &dev_attr_ieee1284_id); abort: kfree(usblp->readbuf); @@ -1340,35 +1339,35 @@ static int usblp_cache_device_id_string(struct usblp *usblp) static void usblp_disconnect(struct usb_interface *intf) { - struct usblp *usblp = usb_get_intfdata (intf); + struct usblp *usblp = usb_get_intfdata(intf); usb_deregister_dev(intf, &usblp_class); if (!usblp || !usblp->dev) { dev_err(&intf->dev, "bogus disconnect\n"); - BUG (); + BUG(); } device_remove_file(&intf->dev, &dev_attr_ieee1284_id); - mutex_lock (&usblp_mutex); - mutex_lock (&usblp->mut); + mutex_lock(&usblp_mutex); + mutex_lock(&usblp->mut); usblp->present = 0; wake_up(&usblp->wwait); wake_up(&usblp->rwait); - usb_set_intfdata (intf, NULL); + usb_set_intfdata(intf, NULL); usblp_unlink_urbs(usblp); - mutex_unlock (&usblp->mut); + mutex_unlock(&usblp->mut); if (!usblp->used) - usblp_cleanup (usblp); - mutex_unlock (&usblp_mutex); + usblp_cleanup(usblp); + mutex_unlock(&usblp_mutex); } static int usblp_suspend(struct usb_interface *intf, pm_message_t message) { - struct usblp *usblp = usb_get_intfdata (intf); + struct usblp *usblp = usb_get_intfdata(intf); usblp_unlink_urbs(usblp); #if 0 /* XXX Do we want this? What if someone is reading, should we fail? */ @@ -1382,10 +1381,10 @@ static int usblp_suspend(struct usb_interface *intf, pm_message_t message) static int usblp_resume(struct usb_interface *intf) { - struct usblp *usblp = usb_get_intfdata (intf); + struct usblp *usblp = usb_get_intfdata(intf); int r; - r = handle_bidir (usblp); + r = handle_bidir(usblp); return r; } @@ -1401,7 +1400,7 @@ static const struct usb_device_id usblp_ids[] = { { } /* Terminating entry */ }; -MODULE_DEVICE_TABLE (usb, usblp_ids); +MODULE_DEVICE_TABLE(usb, usblp_ids); static struct usb_driver usblp_driver = { .name = "usblp", @@ -1426,8 +1425,8 @@ static void __exit usblp_exit(void) module_init(usblp_init); module_exit(usblp_exit); -MODULE_AUTHOR( DRIVER_AUTHOR ); -MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); module_param(proto_bias, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(proto_bias, "Favourite protocol number"); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index c2f62a3..f1aaff6 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -1668,13 +1668,10 @@ static int proc_ioctl(struct dev_state *ps, struct usbdevfs_ioctl *ctl) default: if (intf->dev.driver) driver = to_usb_driver(intf->dev.driver); - if (driver == NULL || driver->ioctl == NULL) { + if (driver == NULL || driver->unlocked_ioctl == NULL) { retval = -ENOTTY; } else { - /* keep API that guarantees BKL */ - lock_kernel(); - retval = driver->ioctl(intf, ctl->ioctl_code, buf); - unlock_kernel(); + retval = driver->unlocked_ioctl(intf, ctl->ioctl_code, buf); if (retval == -ENOIOCTLCMD) retval = -ENOTTY; } diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index a6bd53a..d7a4401 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -1742,9 +1742,8 @@ static int usb_runtime_suspend(struct device *dev) } /* Prevent the parent from suspending immediately after */ - else if (udev->parent) { + else if (udev->parent) udev->parent->last_busy = jiffies; - } } /* Runtime suspend for a USB interface doesn't mean anything. */ @@ -1786,21 +1785,19 @@ static int usb_runtime_idle(struct device *dev) return 0; } -static struct dev_pm_ops usb_bus_pm_ops = { +static const struct dev_pm_ops usb_bus_pm_ops = { .runtime_suspend = usb_runtime_suspend, .runtime_resume = usb_runtime_resume, .runtime_idle = usb_runtime_idle, }; -#else - -#define usb_bus_pm_ops (*(struct dev_pm_ops *) NULL) - #endif /* CONFIG_USB_SUSPEND */ struct bus_type usb_bus_type = { .name = "usb", .match = usb_device_match, .uevent = usb_uevent, +#ifdef CONFIG_USB_SUSPEND .pm = &usb_bus_pm_ops, +#endif }; diff --git a/drivers/usb/core/endpoint.c b/drivers/usb/core/endpoint.c index 4f84a41..3788e73 100644 --- a/drivers/usb/core/endpoint.c +++ b/drivers/usb/core/endpoint.c @@ -96,16 +96,21 @@ static ssize_t show_ep_interval(struct device *dev, switch (usb_endpoint_type(ep->desc)) { case USB_ENDPOINT_XFER_CONTROL: - if (ep->udev->speed == USB_SPEED_HIGH) /* uframes per NAK */ + if (ep->udev->speed == USB_SPEED_HIGH) + /* uframes per NAK */ interval = ep->desc->bInterval; break; + case USB_ENDPOINT_XFER_ISOC: interval = 1 << (ep->desc->bInterval - 1); break; + case USB_ENDPOINT_XFER_BULK: - if (ep->udev->speed == USB_SPEED_HIGH && !in) /* uframes per NAK */ + if (ep->udev->speed == USB_SPEED_HIGH && !in) + /* uframes per NAK */ interval = ep->desc->bInterval; break; + case USB_ENDPOINT_XFER_INT: if (ep->udev->speed == USB_SPEED_HIGH) interval = 1 << (ep->desc->bInterval - 1); diff --git a/drivers/usb/core/generic.c b/drivers/usb/core/generic.c index 9a34ccb..69ecd3c 100644 --- a/drivers/usb/core/generic.c +++ b/drivers/usb/core/generic.c @@ -105,8 +105,10 @@ int usb_choose_configuration(struct usb_device *udev) /* When the first config's first interface is one of Microsoft's * pet nonstandard Ethernet-over-USB protocols, ignore it unless * this kernel has enabled the necessary host side driver. + * But: Don't ignore it if it's the only config. */ - if (i == 0 && desc && (is_rndis(desc) || is_activesync(desc))) { + if (i == 0 && num_configs > 1 && desc && + (is_rndis(desc) || is_activesync(desc))) { #if !defined(CONFIG_USB_NET_RNDIS_HOST) && !defined(CONFIG_USB_NET_RNDIS_HOST_MODULE) continue; #else diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c index 1cf2d1e..c3f9854 100644 --- a/drivers/usb/core/hcd-pci.c +++ b/drivers/usb/core/hcd-pci.c @@ -66,10 +66,7 @@ static void companion_common(struct pci_dev *pdev, struct usb_hcd *hcd, * vice versa. */ companion = NULL; - for (;;) { - companion = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, companion); - if (!companion) - break; + for_each_pci_dev(companion) { if (companion->bus != pdev->bus || PCI_SLOT(companion->devfn) != slot) continue; @@ -250,6 +247,9 @@ int usb_hcd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) if (retval != 0) goto err4; set_hs_companion(dev, hcd); + + if (pci_dev_run_wake(dev)) + pm_runtime_put_noidle(&dev->dev); return retval; err4: @@ -292,6 +292,17 @@ void usb_hcd_pci_remove(struct pci_dev *dev) if (!hcd) return; + if (pci_dev_run_wake(dev)) + pm_runtime_get_noresume(&dev->dev); + + /* Fake an interrupt request in order to give the driver a chance + * to test whether the controller hardware has been removed (e.g., + * cardbus physical eject). + */ + local_irq_disable(); + usb_hcd_irq(0, hcd); + local_irq_enable(); + usb_remove_hcd(hcd); if (hcd->driver->flags & HCD_MEMORY) { iounmap(hcd->regs); @@ -317,12 +328,34 @@ void usb_hcd_pci_shutdown(struct pci_dev *dev) if (!hcd) return; - if (hcd->driver->shutdown) + if (test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags) && + hcd->driver->shutdown) hcd->driver->shutdown(hcd); } EXPORT_SYMBOL_GPL(usb_hcd_pci_shutdown); -#ifdef CONFIG_PM_SLEEP +#ifdef CONFIG_PM_OPS + +#ifdef CONFIG_PPC_PMAC +static void powermac_set_asic(struct pci_dev *pci_dev, int enable) +{ + /* Enanble or disable ASIC clocks for USB */ + if (machine_is(powermac)) { + struct device_node *of_node; + + of_node = pci_device_to_OF_node(pci_dev); + if (of_node) + pmac_call_feature(PMAC_FTR_USB_ENABLE, + of_node, 0, enable); + } +} + +#else + +static inline void powermac_set_asic(struct pci_dev *pci_dev, int enable) +{} + +#endif /* CONFIG_PPC_PMAC */ static int check_root_hub_suspended(struct device *dev) { @@ -337,7 +370,7 @@ static int check_root_hub_suspended(struct device *dev) return 0; } -static int hcd_pci_suspend(struct device *dev) +static int suspend_common(struct device *dev, bool do_wakeup) { struct pci_dev *pci_dev = to_pci_dev(dev); struct usb_hcd *hcd = pci_get_drvdata(pci_dev); @@ -352,13 +385,21 @@ static int hcd_pci_suspend(struct device *dev) if (retval) return retval; - /* We might already be suspended (runtime PM -- not yet written) */ - if (pci_dev->current_state != PCI_D0) - return retval; - if (hcd->driver->pci_suspend) { - retval = hcd->driver->pci_suspend(hcd); + /* Optimization: Don't suspend if a root-hub wakeup is + * pending and it would cause the HCD to wake up anyway. + */ + if (do_wakeup && HCD_WAKEUP_PENDING(hcd)) + return -EBUSY; + retval = hcd->driver->pci_suspend(hcd, do_wakeup); suspend_report_result(hcd->driver->pci_suspend, retval); + + /* Check again in case wakeup raced with pci_suspend */ + if (retval == 0 && do_wakeup && HCD_WAKEUP_PENDING(hcd)) { + if (hcd->driver->pci_resume) + hcd->driver->pci_resume(hcd, false); + retval = -EBUSY; + } if (retval) return retval; } @@ -374,6 +415,48 @@ static int hcd_pci_suspend(struct device *dev) return retval; } +static int resume_common(struct device *dev, int event) +{ + struct pci_dev *pci_dev = to_pci_dev(dev); + struct usb_hcd *hcd = pci_get_drvdata(pci_dev); + int retval; + + if (hcd->state != HC_STATE_SUSPENDED) { + dev_dbg(dev, "can't resume, not suspended!\n"); + return 0; + } + + retval = pci_enable_device(pci_dev); + if (retval < 0) { + dev_err(dev, "can't re-enable after resume, %d!\n", retval); + return retval; + } + + pci_set_master(pci_dev); + + clear_bit(HCD_FLAG_SAW_IRQ, &hcd->flags); + + if (hcd->driver->pci_resume) { + if (event != PM_EVENT_AUTO_RESUME) + wait_for_companions(pci_dev, hcd); + + retval = hcd->driver->pci_resume(hcd, + event == PM_EVENT_RESTORE); + if (retval) { + dev_err(dev, "PCI post-resume error %d!\n", retval); + usb_hc_died(hcd); + } + } + return retval; +} + +#ifdef CONFIG_PM_SLEEP + +static int hcd_pci_suspend(struct device *dev) +{ + return suspend_common(dev, device_may_wakeup(dev)); +} + static int hcd_pci_suspend_noirq(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); @@ -408,16 +491,7 @@ static int hcd_pci_suspend_noirq(struct device *dev) return retval; } -#ifdef CONFIG_PPC_PMAC - /* Disable ASIC clocks for USB */ - if (machine_is(powermac)) { - struct device_node *of_node; - - of_node = pci_device_to_OF_node(pci_dev); - if (of_node) - pmac_call_feature(PMAC_FTR_USB_ENABLE, of_node, 0, 0); - } -#endif + powermac_set_asic(pci_dev, 0); return retval; } @@ -425,69 +499,63 @@ static int hcd_pci_resume_noirq(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); -#ifdef CONFIG_PPC_PMAC - /* Reenable ASIC clocks for USB */ - if (machine_is(powermac)) { - struct device_node *of_node; - - of_node = pci_device_to_OF_node(pci_dev); - if (of_node) - pmac_call_feature(PMAC_FTR_USB_ENABLE, - of_node, 0, 1); - } -#endif + powermac_set_asic(pci_dev, 1); /* Go back to D0 and disable remote wakeup */ pci_back_from_sleep(pci_dev); return 0; } -static int resume_common(struct device *dev, bool hibernated) +static int hcd_pci_resume(struct device *dev) { - struct pci_dev *pci_dev = to_pci_dev(dev); - struct usb_hcd *hcd = pci_get_drvdata(pci_dev); - int retval; + return resume_common(dev, PM_EVENT_RESUME); +} - if (hcd->state != HC_STATE_SUSPENDED) { - dev_dbg(dev, "can't resume, not suspended!\n"); - return 0; - } +static int hcd_pci_restore(struct device *dev) +{ + return resume_common(dev, PM_EVENT_RESTORE); +} - retval = pci_enable_device(pci_dev); - if (retval < 0) { - dev_err(dev, "can't re-enable after resume, %d!\n", retval); - return retval; - } +#else - pci_set_master(pci_dev); +#define hcd_pci_suspend NULL +#define hcd_pci_suspend_noirq NULL +#define hcd_pci_resume_noirq NULL +#define hcd_pci_resume NULL +#define hcd_pci_restore NULL - clear_bit(HCD_FLAG_SAW_IRQ, &hcd->flags); +#endif /* CONFIG_PM_SLEEP */ - if (hcd->driver->pci_resume) { - /* This call should be made only during system resume, - * not during runtime resume. - */ - wait_for_companions(pci_dev, hcd); +#ifdef CONFIG_PM_RUNTIME - retval = hcd->driver->pci_resume(hcd, hibernated); - if (retval) { - dev_err(dev, "PCI post-resume error %d!\n", retval); - usb_hc_died(hcd); - } - } +static int hcd_pci_runtime_suspend(struct device *dev) +{ + int retval; + + retval = suspend_common(dev, true); + if (retval == 0) + powermac_set_asic(to_pci_dev(dev), 0); + dev_dbg(dev, "hcd_pci_runtime_suspend: %d\n", retval); return retval; } -static int hcd_pci_resume(struct device *dev) +static int hcd_pci_runtime_resume(struct device *dev) { - return resume_common(dev, false); -} + int retval; -static int hcd_pci_restore(struct device *dev) -{ - return resume_common(dev, true); + powermac_set_asic(to_pci_dev(dev), 1); + retval = resume_common(dev, PM_EVENT_AUTO_RESUME); + dev_dbg(dev, "hcd_pci_runtime_resume: %d\n", retval); + return retval; } +#else + +#define hcd_pci_runtime_suspend NULL +#define hcd_pci_runtime_resume NULL + +#endif /* CONFIG_PM_RUNTIME */ + const struct dev_pm_ops usb_hcd_pci_pm_ops = { .suspend = hcd_pci_suspend, .suspend_noirq = hcd_pci_suspend_noirq, @@ -501,7 +569,9 @@ const struct dev_pm_ops usb_hcd_pci_pm_ops = { .poweroff_noirq = hcd_pci_suspend_noirq, .restore_noirq = hcd_pci_resume_noirq, .restore = hcd_pci_restore, + .runtime_suspend = hcd_pci_runtime_suspend, + .runtime_resume = hcd_pci_runtime_resume, }; EXPORT_SYMBOL_GPL(usb_hcd_pci_pm_ops); -#endif /* CONFIG_PM_SLEEP */ +#endif /* CONFIG_PM_OPS */ diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 12742f1..5cca00a 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -667,7 +667,7 @@ void usb_hcd_poll_rh_status(struct usb_hcd *hcd) unsigned long flags; char buffer[6]; /* Any root hubs with > 31 ports? */ - if (unlikely(!hcd->rh_registered)) + if (unlikely(!hcd->rh_pollable)) return; if (!hcd->uses_new_polling && !hcd->status_urb) return; @@ -679,7 +679,7 @@ void usb_hcd_poll_rh_status(struct usb_hcd *hcd) spin_lock_irqsave(&hcd_root_hub_lock, flags); urb = hcd->status_urb; if (urb) { - hcd->poll_pending = 0; + clear_bit(HCD_FLAG_POLL_PENDING, &hcd->flags); hcd->status_urb = NULL; urb->actual_length = length; memcpy(urb->transfer_buffer, buffer, length); @@ -690,7 +690,7 @@ void usb_hcd_poll_rh_status(struct usb_hcd *hcd) spin_lock(&hcd_root_hub_lock); } else { length = 0; - hcd->poll_pending = 1; + set_bit(HCD_FLAG_POLL_PENDING, &hcd->flags); } spin_unlock_irqrestore(&hcd_root_hub_lock, flags); } @@ -699,7 +699,7 @@ void usb_hcd_poll_rh_status(struct usb_hcd *hcd) * exceed that limit if HZ is 100. The math is more clunky than * maybe expected, this is to make sure that all timers for USB devices * fire at the same time to give the CPU a break inbetween */ - if (hcd->uses_new_polling ? hcd->poll_rh : + if (hcd->uses_new_polling ? HCD_POLL_RH(hcd) : (length == 0 && hcd->status_urb != NULL)) mod_timer (&hcd->rh_timer, (jiffies/(HZ/4) + 1) * (HZ/4)); } @@ -736,7 +736,7 @@ static int rh_queue_status (struct usb_hcd *hcd, struct urb *urb) mod_timer(&hcd->rh_timer, (jiffies/(HZ/4) + 1) * (HZ/4)); /* If a status change has already occurred, report it ASAP */ - else if (hcd->poll_pending) + else if (HCD_POLL_PENDING(hcd)) mod_timer(&hcd->rh_timer, jiffies); retval = 0; done: @@ -1150,8 +1150,7 @@ int usb_hcd_check_unlink_urb(struct usb_hcd *hcd, struct urb *urb, * finish unlinking the initial failed usb_set_address() * or device descriptor fetch. */ - if (!test_bit(HCD_FLAG_SAW_IRQ, &hcd->flags) && - !is_root_hub(urb->dev)) { + if (!HCD_SAW_IRQ(hcd) && !is_root_hub(urb->dev)) { dev_warn(hcd->self.controller, "Unlink after no-IRQ? " "Controller is probably using the wrong IRQ.\n"); set_bit(HCD_FLAG_SAW_IRQ, &hcd->flags); @@ -1219,6 +1218,11 @@ static int hcd_alloc_coherent(struct usb_bus *bus, { unsigned char *vaddr; + if (*vaddr_handle == NULL) { + WARN_ON_ONCE(1); + return -EFAULT; + } + vaddr = hcd_buffer_alloc(bus, size + sizeof(vaddr), mem_flags, dma_handle); if (!vaddr) @@ -1941,6 +1945,7 @@ int hcd_bus_resume(struct usb_device *rhdev, pm_message_t msg) dev_dbg(&rhdev->dev, "usb %s%s\n", (msg.event & PM_EVENT_AUTO ? "auto-" : ""), "resume"); + clear_bit(HCD_FLAG_WAKEUP_PENDING, &hcd->flags); if (!hcd->driver->bus_resume) return -ENOENT; if (hcd->state == HC_STATE_RUNNING) @@ -1994,8 +1999,10 @@ void usb_hcd_resume_root_hub (struct usb_hcd *hcd) unsigned long flags; spin_lock_irqsave (&hcd_root_hub_lock, flags); - if (hcd->rh_registered) + if (hcd->rh_registered) { + set_bit(HCD_FLAG_WAKEUP_PENDING, &hcd->flags); queue_work(pm_wq, &hcd->wakeup_work); + } spin_unlock_irqrestore (&hcd_root_hub_lock, flags); } EXPORT_SYMBOL_GPL(usb_hcd_resume_root_hub); @@ -2063,8 +2070,7 @@ irqreturn_t usb_hcd_irq (int irq, void *__hcd) */ local_irq_save(flags); - if (unlikely(hcd->state == HC_STATE_HALT || - !test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags))) { + if (unlikely(hcd->state == HC_STATE_HALT || !HCD_HW_ACCESSIBLE(hcd))) { rc = IRQ_NONE; } else if (hcd->driver->irq(hcd) == IRQ_NONE) { rc = IRQ_NONE; @@ -2079,6 +2085,7 @@ irqreturn_t usb_hcd_irq (int irq, void *__hcd) local_irq_restore(flags); return rc; } +EXPORT_SYMBOL_GPL(usb_hcd_irq); /*-------------------------------------------------------------------------*/ @@ -2098,7 +2105,7 @@ void usb_hc_died (struct usb_hcd *hcd) spin_lock_irqsave (&hcd_root_hub_lock, flags); if (hcd->rh_registered) { - hcd->poll_rh = 0; + clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); /* make khubd clean up old urbs and devices */ usb_set_device_state (hcd->self.root_hub, @@ -2217,6 +2224,7 @@ int usb_add_hcd(struct usb_hcd *hcd, retval = -ENOMEM; goto err_allocate_root_hub; } + hcd->self.root_hub = rhdev; switch (hcd->driver->flags & HCD_MASK) { case HCD_USB11: @@ -2229,9 +2237,8 @@ int usb_add_hcd(struct usb_hcd *hcd, rhdev->speed = USB_SPEED_SUPER; break; default: - goto err_allocate_root_hub; + goto err_set_rh_speed; } - hcd->self.root_hub = rhdev; /* wakeup flag init defaults to "everything works" for root hubs, * but drivers can override it in reset() if needed, along with @@ -2246,6 +2253,7 @@ int usb_add_hcd(struct usb_hcd *hcd, dev_err(hcd->self.controller, "can't setup\n"); goto err_hcd_driver_setup; } + hcd->rh_pollable = 1; /* NOTE: root hub and controller capabilities may not be the same */ if (device_can_wakeup(hcd->self.controller) @@ -2300,23 +2308,38 @@ int usb_add_hcd(struct usb_hcd *hcd, retval); goto error_create_attr_group; } - if (hcd->uses_new_polling && hcd->poll_rh) + if (hcd->uses_new_polling && HCD_POLL_RH(hcd)) usb_hcd_poll_rh_status(hcd); return retval; error_create_attr_group: + if (HC_IS_RUNNING(hcd->state)) + hcd->state = HC_STATE_QUIESCING; + spin_lock_irq(&hcd_root_hub_lock); + hcd->rh_registered = 0; + spin_unlock_irq(&hcd_root_hub_lock); + +#ifdef CONFIG_USB_SUSPEND + cancel_work_sync(&hcd->wakeup_work); +#endif mutex_lock(&usb_bus_list_lock); - usb_disconnect(&hcd->self.root_hub); + usb_disconnect(&rhdev); /* Sets rhdev to NULL */ mutex_unlock(&usb_bus_list_lock); err_register_root_hub: + hcd->rh_pollable = 0; + clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); + del_timer_sync(&hcd->rh_timer); hcd->driver->stop(hcd); + hcd->state = HC_STATE_HALT; + clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); + del_timer_sync(&hcd->rh_timer); err_hcd_driver_start: if (hcd->irq >= 0) free_irq(irqnum, hcd); err_request_irq: err_hcd_driver_setup: - hcd->self.root_hub = NULL; - usb_put_dev(rhdev); +err_set_rh_speed: + usb_put_dev(hcd->self.root_hub); err_allocate_root_hub: usb_deregister_bus(&hcd->self); err_register_bus: @@ -2335,8 +2358,13 @@ EXPORT_SYMBOL_GPL(usb_add_hcd); */ void usb_remove_hcd(struct usb_hcd *hcd) { + struct usb_device *rhdev = hcd->self.root_hub; + dev_info(hcd->self.controller, "remove, state %x\n", hcd->state); + usb_get_dev(rhdev); + sysfs_remove_group(&rhdev->dev.kobj, &usb_bus_attr_group); + if (HC_IS_RUNNING (hcd->state)) hcd->state = HC_STATE_QUIESCING; @@ -2349,19 +2377,30 @@ void usb_remove_hcd(struct usb_hcd *hcd) cancel_work_sync(&hcd->wakeup_work); #endif - sysfs_remove_group(&hcd->self.root_hub->dev.kobj, &usb_bus_attr_group); mutex_lock(&usb_bus_list_lock); - usb_disconnect(&hcd->self.root_hub); + usb_disconnect(&rhdev); /* Sets rhdev to NULL */ mutex_unlock(&usb_bus_list_lock); + /* Prevent any more root-hub status calls from the timer. + * The HCD might still restart the timer (if a port status change + * interrupt occurs), but usb_hcd_poll_rh_status() won't invoke + * the hub_status_data() callback. + */ + hcd->rh_pollable = 0; + clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); + del_timer_sync(&hcd->rh_timer); + hcd->driver->stop(hcd); hcd->state = HC_STATE_HALT; - hcd->poll_rh = 0; + /* In case the HCD restarted the timer, stop it again. */ + clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); del_timer_sync(&hcd->rh_timer); if (hcd->irq >= 0) free_irq(hcd->irq, hcd); + + usb_put_dev(hcd->self.root_hub); usb_deregister_bus(&hcd->self); hcd_buffer_destroy(hcd); } diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 70cccc7..84c18971 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -20,6 +20,7 @@ #include <linux/usb.h> #include <linux/usbdevice_fs.h> #include <linux/usb/hcd.h> +#include <linux/usb/quirks.h> #include <linux/kthread.h> #include <linux/mutex.h> #include <linux/freezer.h> @@ -1294,6 +1295,7 @@ descriptor_error: return -ENODEV; } +/* No BKL needed */ static int hub_ioctl(struct usb_interface *intf, unsigned int code, void *user_data) { @@ -1801,7 +1803,6 @@ int usb_new_device(struct usb_device *udev) pm_runtime_set_active(&udev->dev); pm_runtime_enable(&udev->dev); - usb_detect_quirks(udev); err = usb_enumerate_device(udev); /* Read descriptors */ if (err < 0) goto fail; @@ -2880,7 +2881,9 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1, } retval = 0; - + /* notify HCD that we have a device connected and addressed */ + if (hcd->driver->update_device) + hcd->driver->update_device(hcd, udev); fail: if (retval) { hub_port_disable(hub, port1, 0); @@ -3111,6 +3114,10 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1, if (status < 0) goto loop; + usb_detect_quirks(udev); + if (udev->quirks & USB_QUIRK_DELAY_INIT) + msleep(1000); + /* consecutive bus-powered hubs aren't reliable; they can * violate the voltage drop budget. if the new child has * a "powered" LED, users should notice we didn't enable it @@ -3463,7 +3470,7 @@ static struct usb_driver hub_driver = { .reset_resume = hub_reset_resume, .pre_reset = hub_pre_reset, .post_reset = hub_post_reset, - .ioctl = hub_ioctl, + .unlocked_ioctl = hub_ioctl, .id_table = hub_id_table, .supports_autosuspend = 1, }; diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c index 1a27618..095fa53 100644 --- a/drivers/usb/core/inode.c +++ b/drivers/usb/core/inode.c @@ -265,13 +265,9 @@ static int remount(struct super_block *sb, int *flags, char *data) return -EINVAL; } - lock_kernel(); - if (usbfs_mount && usbfs_mount->mnt_sb) update_sb(usbfs_mount->mnt_sb); - unlock_kernel(); - return 0; } diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index db99c08..25719da 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -38,6 +38,9 @@ static const struct usb_device_id usb_quirk_list[] = { /* Creative SB Audigy 2 NX */ { USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Logitech Harmony 700-series */ + { USB_DEVICE(0x046d, 0xc122), .driver_info = USB_QUIRK_DELAY_INIT }, + /* Philips PSC805 audio device */ { USB_DEVICE(0x0471, 0x0155), .driver_info = USB_QUIRK_RESET_RESUME }, diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c index 7c05555..419e6b3 100644 --- a/drivers/usb/core/urb.c +++ b/drivers/usb/core/urb.c @@ -137,6 +137,16 @@ void usb_anchor_urb(struct urb *urb, struct usb_anchor *anchor) } EXPORT_SYMBOL_GPL(usb_anchor_urb); +/* Callers must hold anchor->lock */ +static void __usb_unanchor_urb(struct urb *urb, struct usb_anchor *anchor) +{ + urb->anchor = NULL; + list_del(&urb->anchor_list); + usb_put_urb(urb); + if (list_empty(&anchor->urb_list)) + wake_up(&anchor->wait); +} + /** * usb_unanchor_urb - unanchors an URB * @urb: pointer to the urb to anchor @@ -156,17 +166,14 @@ void usb_unanchor_urb(struct urb *urb) return; spin_lock_irqsave(&anchor->lock, flags); - if (unlikely(anchor != urb->anchor)) { - /* we've lost the race to another thread */ - spin_unlock_irqrestore(&anchor->lock, flags); - return; - } - urb->anchor = NULL; - list_del(&urb->anchor_list); + /* + * At this point, we could be competing with another thread which + * has the same intention. To protect the urb from being unanchored + * twice, only the winner of the race gets the job. + */ + if (likely(anchor == urb->anchor)) + __usb_unanchor_urb(urb, anchor); spin_unlock_irqrestore(&anchor->lock, flags); - usb_put_urb(urb); - if (list_empty(&anchor->urb_list)) - wake_up(&anchor->wait); } EXPORT_SYMBOL_GPL(usb_unanchor_urb); @@ -749,20 +756,11 @@ EXPORT_SYMBOL_GPL(usb_unpoison_anchored_urbs); void usb_unlink_anchored_urbs(struct usb_anchor *anchor) { struct urb *victim; - unsigned long flags; - spin_lock_irqsave(&anchor->lock, flags); - while (!list_empty(&anchor->urb_list)) { - victim = list_entry(anchor->urb_list.prev, struct urb, - anchor_list); - usb_get_urb(victim); - spin_unlock_irqrestore(&anchor->lock, flags); - /* this will unanchor the URB */ + while ((victim = usb_get_from_anchor(anchor)) != NULL) { usb_unlink_urb(victim); usb_put_urb(victim); - spin_lock_irqsave(&anchor->lock, flags); } - spin_unlock_irqrestore(&anchor->lock, flags); } EXPORT_SYMBOL_GPL(usb_unlink_anchored_urbs); @@ -799,12 +797,11 @@ struct urb *usb_get_from_anchor(struct usb_anchor *anchor) victim = list_entry(anchor->urb_list.next, struct urb, anchor_list); usb_get_urb(victim); - spin_unlock_irqrestore(&anchor->lock, flags); - usb_unanchor_urb(victim); + __usb_unanchor_urb(victim, anchor); } else { - spin_unlock_irqrestore(&anchor->lock, flags); victim = NULL; } + spin_unlock_irqrestore(&anchor->lock, flags); return victim; } @@ -826,12 +823,7 @@ void usb_scuttle_anchored_urbs(struct usb_anchor *anchor) while (!list_empty(&anchor->urb_list)) { victim = list_entry(anchor->urb_list.prev, struct urb, anchor_list); - usb_get_urb(victim); - spin_unlock_irqrestore(&anchor->lock, flags); - /* this may free the URB */ - usb_unanchor_urb(victim); - usb_put_urb(victim); - spin_lock_irqsave(&anchor->lock, flags); + __usb_unanchor_urb(victim, anchor); } spin_unlock_irqrestore(&anchor->lock, flags); } diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 5ae14f6..fdd4130 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -317,10 +317,6 @@ static const struct dev_pm_ops usb_device_pm_ops = { .restore = usb_dev_restore, }; -#else - -#define usb_device_pm_ops (*(struct dev_pm_ops *) NULL) - #endif /* CONFIG_PM */ @@ -338,7 +334,9 @@ struct device_type usb_device_type = { .release = usb_release_dev, .uevent = usb_dev_uevent, .devnode = usb_devnode, +#ifdef CONFIG_PM .pm = &usb_device_pm_ops, +#endif }; diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index 591ae9f..cd27f9b 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -714,6 +714,7 @@ config USB_GADGETFS config USB_FUNCTIONFS tristate "Function Filesystem (EXPERIMENTAL)" depends on EXPERIMENTAL + select USB_FUNCTIONFS_GENERIC if !(USB_FUNCTIONFS_ETH || USB_FUNCTIONFS_RNDIS) help The Function Filesystem (FunctioFS) lets one create USB composite functions in user space in the same way as GadgetFS @@ -722,31 +723,31 @@ config USB_FUNCTIONFS implemented in kernel space (for instance Ethernet, serial or mass storage) and other are implemented in user space. + If you say "y" or "m" here you will be able what kind of + configurations the gadget will provide. + Say "y" to link the driver statically, or "m" to build a dynamically linked module called "g_ffs". config USB_FUNCTIONFS_ETH - bool "Include CDC ECM (Ethernet) function" + bool "Include configuration with CDC ECM (Ethernet)" depends on USB_FUNCTIONFS && NET help - Include an CDC ECM (Ethernet) funcion in the CDC ECM (Funcion) - Filesystem. If you also say "y" to the RNDIS query below the - gadget will have two configurations. + Include a configuration with CDC ECM funcion (Ethernet) and the + Funcion Filesystem. config USB_FUNCTIONFS_RNDIS - bool "Include RNDIS (Ethernet) function" + bool "Include configuration with RNDIS (Ethernet)" depends on USB_FUNCTIONFS && NET help - Include an RNDIS (Ethernet) funcion in the Funcion Filesystem. - If you also say "y" to the CDC ECM query above the gadget will - have two configurations. + Include a configuration with RNDIS funcion (Ethernet) and the Filesystem. config USB_FUNCTIONFS_GENERIC bool "Include 'pure' configuration" - depends on USB_FUNCTIONFS && (USB_FUNCTIONFS_ETH || USB_FUNCTIONFS_RNDIS) + depends on USB_FUNCTIONFS help - Include a configuration with FunctionFS and no Ethernet - configuration. + Include a configuration with the Function Filesystem alone with + no Ethernet interface. config USB_FILE_STORAGE tristate "File-backed Storage Gadget" @@ -863,6 +864,7 @@ config USB_G_NOKIA config USB_G_MULTI tristate "Multifunction Composite Gadget (EXPERIMENTAL)" depends on BLOCK && NET + select USB_G_MULTI_CDC if !USB_G_MULTI_RNDIS help The Multifunction Composite Gadget provides Ethernet (RNDIS and/or CDC Ethernet), mass storage and ACM serial link @@ -913,6 +915,34 @@ config USB_G_HID Say "y" to link the driver statically, or "m" to build a dynamically linked module called "g_hid". +config USB_G_DBGP + tristate "EHCI Debug Device Gadget" + help + This gadget emulates an EHCI Debug device. This is useful when you want + to interact with an EHCI Debug Port. + + Say "y" to link the driver statically, or "m" to build a + dynamically linked module called "g_dbgp". + +if USB_G_DBGP +choice + prompt "EHCI Debug Device mode" + default USB_G_DBGP_SERIAL + +config USB_G_DBGP_PRINTK + depends on USB_G_DBGP + bool "printk" + help + Directly printk() received data. No interaction. + +config USB_G_DBGP_SERIAL + depends on USB_G_DBGP + bool "serial" + help + Userland can interact using /dev/ttyGSxxx. +endchoice +endif + # put drivers that need isochronous transfer support (for audio # or video class gadget drivers), or specific hardware, here. config USB_G_WEBCAM diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile index 9bcde11..27283df 100644 --- a/drivers/usb/gadget/Makefile +++ b/drivers/usb/gadget/Makefile @@ -44,6 +44,7 @@ g_printer-objs := printer.o g_cdc-objs := cdc2.o g_multi-objs := multi.o g_hid-objs := hid.o +g_dbgp-objs := dbgp.o g_nokia-objs := nokia.o g_webcam-objs := webcam.o @@ -52,7 +53,6 @@ obj-$(CONFIG_USB_AUDIO) += g_audio.o obj-$(CONFIG_USB_ETH) += g_ether.o obj-$(CONFIG_USB_GADGETFS) += gadgetfs.o obj-$(CONFIG_USB_FUNCTIONFS) += g_ffs.o -obj-$(CONFIG_USB_ETH_FUNCTIONFS) += g_eth_ffs.o obj-$(CONFIG_USB_FILE_STORAGE) += g_file_storage.o obj-$(CONFIG_USB_MASS_STORAGE) += g_mass_storage.o obj-$(CONFIG_USB_G_SERIAL) += g_serial.o @@ -60,6 +60,7 @@ obj-$(CONFIG_USB_G_PRINTER) += g_printer.o obj-$(CONFIG_USB_MIDI_GADGET) += g_midi.o obj-$(CONFIG_USB_CDC_COMPOSITE) += g_cdc.o obj-$(CONFIG_USB_G_HID) += g_hid.o +obj-$(CONFIG_USB_G_DBGP) += g_dbgp.o obj-$(CONFIG_USB_G_MULTI) += g_multi.o obj-$(CONFIG_USB_G_NOKIA) += g_nokia.o obj-$(CONFIG_USB_G_WEBCAM) += g_webcam.o diff --git a/drivers/usb/gadget/audio.c b/drivers/usb/gadget/audio.c index a62af7b..b744ccd 100644 --- a/drivers/usb/gadget/audio.c +++ b/drivers/usb/gadget/audio.c @@ -89,7 +89,7 @@ static const struct usb_descriptor_header *otg_desc[] = { /*-------------------------------------------------------------------------*/ -static int __init audio_do_config(struct usb_configuration *c) +static int __ref audio_do_config(struct usb_configuration *c) { /* FIXME alloc iConfiguration string, set it in c->strings */ @@ -113,7 +113,7 @@ static struct usb_configuration audio_config_driver = { /*-------------------------------------------------------------------------*/ -static int __init audio_bind(struct usb_composite_dev *cdev) +static int __ref audio_bind(struct usb_composite_dev *cdev) { int gcnum; int status; diff --git a/drivers/usb/gadget/cdc2.c b/drivers/usb/gadget/cdc2.c index 928137d..1f5ba2f 100644 --- a/drivers/usb/gadget/cdc2.c +++ b/drivers/usb/gadget/cdc2.c @@ -129,7 +129,7 @@ static u8 hostaddr[ETH_ALEN]; /* * We _always_ have both CDC ECM and CDC ACM functions. */ -static int __init cdc_do_config(struct usb_configuration *c) +static int __ref cdc_do_config(struct usb_configuration *c) { int status; @@ -159,7 +159,7 @@ static struct usb_configuration cdc_config_driver = { /*-------------------------------------------------------------------------*/ -static int __init cdc_bind(struct usb_composite_dev *cdev) +static int __ref cdc_bind(struct usb_composite_dev *cdev) { int gcnum; struct usb_gadget *gadget = cdev->gadget; diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 391d169..e483f80 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -673,20 +673,83 @@ static int get_string(struct usb_composite_dev *cdev, * string IDs. Drivers for functions, configurations, or gadgets will * then store that ID in the appropriate descriptors and string table. * - * All string identifier should be allocated using this routine, to - * ensure that for example different functions don't wrongly assign - * different meanings to the same identifier. + * All string identifier should be allocated using this, + * @usb_string_ids_tab() or @usb_string_ids_n() routine, to ensure + * that for example different functions don't wrongly assign different + * meanings to the same identifier. */ int usb_string_id(struct usb_composite_dev *cdev) { if (cdev->next_string_id < 254) { - /* string id 0 is reserved */ + /* string id 0 is reserved by USB spec for list of + * supported languages */ + /* 255 reserved as well? -- mina86 */ cdev->next_string_id++; return cdev->next_string_id; } return -ENODEV; } +/** + * usb_string_ids() - allocate unused string IDs in batch + * @cdev: the device whose string descriptor IDs are being allocated + * @str: an array of usb_string objects to assign numbers to + * Context: single threaded during gadget setup + * + * @usb_string_ids() is called from bind() callbacks to allocate + * string IDs. Drivers for functions, configurations, or gadgets will + * then copy IDs from the string table to the appropriate descriptors + * and string table for other languages. + * + * All string identifier should be allocated using this, + * @usb_string_id() or @usb_string_ids_n() routine, to ensure that for + * example different functions don't wrongly assign different meanings + * to the same identifier. + */ +int usb_string_ids_tab(struct usb_composite_dev *cdev, struct usb_string *str) +{ + int next = cdev->next_string_id; + + for (; str->s; ++str) { + if (unlikely(next >= 254)) + return -ENODEV; + str->id = ++next; + } + + cdev->next_string_id = next; + + return 0; +} + +/** + * usb_string_ids_n() - allocate unused string IDs in batch + * @cdev: the device whose string descriptor IDs are being allocated + * @n: number of string IDs to allocate + * Context: single threaded during gadget setup + * + * Returns the first requested ID. This ID and next @n-1 IDs are now + * valid IDs. At least providind that @n is non zore because if it + * is, returns last requested ID which is now very useful information. + * + * @usb_string_ids_n() is called from bind() callbacks to allocate + * string IDs. Drivers for functions, configurations, or gadgets will + * then store that ID in the appropriate descriptors and string table. + * + * All string identifier should be allocated using this, + * @usb_string_id() or @usb_string_ids_n() routine, to ensure that for + * example different functions don't wrongly assign different meanings + * to the same identifier. + */ +int usb_string_ids_n(struct usb_composite_dev *c, unsigned n) +{ + unsigned next = c->next_string_id; + if (unlikely(n > 254 || (unsigned)next + n > 254)) + return -ENODEV; + c->next_string_id += n; + return next + 1; +} + + /*-------------------------------------------------------------------------*/ static void composite_setup_complete(struct usb_ep *ep, struct usb_request *req) @@ -893,6 +956,8 @@ static void composite_disconnect(struct usb_gadget *gadget) spin_lock_irqsave(&cdev->lock, flags); if (cdev->config) reset_config(cdev); + if (composite->disconnect) + composite->disconnect(cdev); spin_unlock_irqrestore(&cdev->lock, flags); } diff --git a/drivers/usb/gadget/dbgp.c b/drivers/usb/gadget/dbgp.c new file mode 100644 index 0000000..0ed50a2 --- /dev/null +++ b/drivers/usb/gadget/dbgp.c @@ -0,0 +1,434 @@ +/* + * dbgp.c -- EHCI Debug Port device gadget + * + * Copyright (C) 2010 Stephane Duverger + * + * Released under the GPLv2. + * + */ + +/* verbose messages */ +#include <linux/kernel.h> +#include <linux/device.h> +#include <linux/usb/ch9.h> +#include <linux/usb/gadget.h> + +/* See comments in "zero.c" */ +#include "epautoconf.c" + +#ifdef CONFIG_USB_G_DBGP_SERIAL +#include "u_serial.c" +#endif + +#define DRIVER_VENDOR_ID 0x0525 /* NetChip */ +#define DRIVER_PRODUCT_ID 0xc0de /* undefined */ + +#define USB_DEBUG_MAX_PACKET_SIZE 8 +#define DBGP_REQ_EP0_LEN 128 +#define DBGP_REQ_LEN 512 + +static struct dbgp { + struct usb_gadget *gadget; + struct usb_request *req; + struct usb_ep *i_ep; + struct usb_ep *o_ep; +#ifdef CONFIG_USB_G_DBGP_SERIAL + struct gserial *serial; +#endif +} dbgp; + +static struct usb_device_descriptor device_desc = { + .bLength = sizeof device_desc, + .bDescriptorType = USB_DT_DEVICE, + .bcdUSB = __constant_cpu_to_le16(0x0200), + .bDeviceClass = USB_CLASS_VENDOR_SPEC, + .idVendor = __constant_cpu_to_le16(DRIVER_VENDOR_ID), + .idProduct = __constant_cpu_to_le16(DRIVER_PRODUCT_ID), + .bNumConfigurations = 1, +}; + +static struct usb_debug_descriptor dbg_desc = { + .bLength = sizeof dbg_desc, + .bDescriptorType = USB_DT_DEBUG, +}; + +static struct usb_endpoint_descriptor i_desc = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + .bEndpointAddress = USB_DIR_IN, +}; + +static struct usb_endpoint_descriptor o_desc = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + .bEndpointAddress = USB_DIR_OUT, +}; + +#ifdef CONFIG_USB_G_DBGP_PRINTK +static int dbgp_consume(char *buf, unsigned len) +{ + char c; + + if (!len) + return 0; + + c = buf[len-1]; + if (c != 0) + buf[len-1] = 0; + + printk(KERN_NOTICE "%s%c", buf, c); + return 0; +} + +static void __disable_ep(struct usb_ep *ep) +{ + if (ep && ep->driver_data == dbgp.gadget) { + usb_ep_disable(ep); + ep->driver_data = NULL; + } +} + +static void dbgp_disable_ep(void) +{ + __disable_ep(dbgp.i_ep); + __disable_ep(dbgp.o_ep); +} + +static void dbgp_complete(struct usb_ep *ep, struct usb_request *req) +{ + int stp; + int err = 0; + int status = req->status; + + if (ep == dbgp.i_ep) { + stp = 1; + goto fail; + } + + if (status != 0) { + stp = 2; + goto release_req; + } + + dbgp_consume(req->buf, req->actual); + + req->length = DBGP_REQ_LEN; + err = usb_ep_queue(ep, req, GFP_ATOMIC); + if (err < 0) { + stp = 3; + goto release_req; + } + + return; + +release_req: + kfree(req->buf); + usb_ep_free_request(dbgp.o_ep, req); + dbgp_disable_ep(); +fail: + dev_dbg(&dbgp.gadget->dev, + "complete: failure (%d:%d) ==> %d\n", stp, err, status); +} + +static int dbgp_enable_ep_req(struct usb_ep *ep) +{ + int err, stp; + struct usb_request *req; + + req = usb_ep_alloc_request(ep, GFP_KERNEL); + if (!req) { + err = -ENOMEM; + stp = 1; + goto fail_1; + } + + req->buf = kmalloc(DBGP_REQ_LEN, GFP_KERNEL); + if (!req->buf) { + err = -ENOMEM; + stp = 2; + goto fail_2; + } + + req->complete = dbgp_complete; + req->length = DBGP_REQ_LEN; + err = usb_ep_queue(ep, req, GFP_ATOMIC); + if (err < 0) { + stp = 3; + goto fail_3; + } + + return 0; + +fail_3: + kfree(req->buf); +fail_2: + usb_ep_free_request(dbgp.o_ep, req); +fail_1: + dev_dbg(&dbgp.gadget->dev, + "enable ep req: failure (%d:%d)\n", stp, err); + return err; +} + +static int __enable_ep(struct usb_ep *ep, struct usb_endpoint_descriptor *desc) +{ + int err = usb_ep_enable(ep, desc); + ep->driver_data = dbgp.gadget; + return err; +} + +static int dbgp_enable_ep(void) +{ + int err, stp; + + err = __enable_ep(dbgp.i_ep, &i_desc); + if (err < 0) { + stp = 1; + goto fail_1; + } + + err = __enable_ep(dbgp.o_ep, &o_desc); + if (err < 0) { + stp = 2; + goto fail_2; + } + + err = dbgp_enable_ep_req(dbgp.o_ep); + if (err < 0) { + stp = 3; + goto fail_3; + } + + return 0; + +fail_3: + __disable_ep(dbgp.o_ep); +fail_2: + __disable_ep(dbgp.i_ep); +fail_1: + dev_dbg(&dbgp.gadget->dev, "enable ep: failure (%d:%d)\n", stp, err); + return err; +} +#endif + +static void dbgp_disconnect(struct usb_gadget *gadget) +{ +#ifdef CONFIG_USB_G_DBGP_PRINTK + dbgp_disable_ep(); +#else + gserial_disconnect(dbgp.serial); +#endif +} + +static void dbgp_unbind(struct usb_gadget *gadget) +{ +#ifdef CONFIG_USB_G_DBGP_SERIAL + kfree(dbgp.serial); +#endif + if (dbgp.req) { + kfree(dbgp.req->buf); + usb_ep_free_request(gadget->ep0, dbgp.req); + } + + gadget->ep0->driver_data = NULL; +} + +static int __init dbgp_configure_endpoints(struct usb_gadget *gadget) +{ + int stp; + + usb_ep_autoconfig_reset(gadget); + + dbgp.i_ep = usb_ep_autoconfig(gadget, &i_desc); + if (!dbgp.i_ep) { + stp = 1; + goto fail_1; + } + + dbgp.i_ep->driver_data = gadget; + i_desc.wMaxPacketSize = + __constant_cpu_to_le16(USB_DEBUG_MAX_PACKET_SIZE); + + dbgp.o_ep = usb_ep_autoconfig(gadget, &o_desc); + if (!dbgp.o_ep) { + dbgp.i_ep->driver_data = NULL; + stp = 2; + goto fail_2; + } + + dbgp.o_ep->driver_data = gadget; + o_desc.wMaxPacketSize = + __constant_cpu_to_le16(USB_DEBUG_MAX_PACKET_SIZE); + + dbg_desc.bDebugInEndpoint = i_desc.bEndpointAddress & 0x7f; + dbg_desc.bDebugOutEndpoint = o_desc.bEndpointAddress & 0x7f; + +#ifdef CONFIG_USB_G_DBGP_SERIAL + dbgp.serial->in = dbgp.i_ep; + dbgp.serial->out = dbgp.o_ep; + + dbgp.serial->in_desc = &i_desc; + dbgp.serial->out_desc = &o_desc; + + if (gserial_setup(gadget, 1) < 0) { + stp = 3; + goto fail_3; + } + + return 0; + +fail_3: + dbgp.o_ep->driver_data = NULL; +#else + return 0; +#endif +fail_2: + dbgp.i_ep->driver_data = NULL; +fail_1: + dev_dbg(&dbgp.gadget->dev, "ep config: failure (%d)\n", stp); + return -ENODEV; +} + +static int __init dbgp_bind(struct usb_gadget *gadget) +{ + int err, stp; + + dbgp.gadget = gadget; + + dbgp.req = usb_ep_alloc_request(gadget->ep0, GFP_KERNEL); + if (!dbgp.req) { + err = -ENOMEM; + stp = 1; + goto fail; + } + + dbgp.req->buf = kmalloc(DBGP_REQ_EP0_LEN, GFP_KERNEL); + if (!dbgp.req->buf) { + err = -ENOMEM; + stp = 2; + goto fail; + } + + dbgp.req->length = DBGP_REQ_EP0_LEN; + gadget->ep0->driver_data = gadget; + +#ifdef CONFIG_USB_G_DBGP_SERIAL + dbgp.serial = kzalloc(sizeof(struct gserial), GFP_KERNEL); + if (!dbgp.serial) { + stp = 3; + err = -ENOMEM; + goto fail; + } +#endif + err = dbgp_configure_endpoints(gadget); + if (err < 0) { + stp = 4; + goto fail; + } + + dev_dbg(&dbgp.gadget->dev, "bind: success\n"); + return 0; + +fail: + dev_dbg(&gadget->dev, "bind: failure (%d:%d)\n", stp, err); + dbgp_unbind(gadget); + return err; +} + +static void dbgp_setup_complete(struct usb_ep *ep, + struct usb_request *req) +{ + dev_dbg(&dbgp.gadget->dev, "setup complete: %d, %d/%d\n", + req->status, req->actual, req->length); +} + +static int dbgp_setup(struct usb_gadget *gadget, + const struct usb_ctrlrequest *ctrl) +{ + struct usb_request *req = dbgp.req; + u8 request = ctrl->bRequest; + u16 value = le16_to_cpu(ctrl->wValue); + u16 length = le16_to_cpu(ctrl->wLength); + int err = 0; + void *data; + u16 len; + + gadget->ep0->driver_data = gadget; + + if (request == USB_REQ_GET_DESCRIPTOR) { + switch (value>>8) { + case USB_DT_DEVICE: + dev_dbg(&dbgp.gadget->dev, "setup: desc device\n"); + len = sizeof device_desc; + data = &device_desc; + break; + case USB_DT_DEBUG: + dev_dbg(&dbgp.gadget->dev, "setup: desc debug\n"); + len = sizeof dbg_desc; + data = &dbg_desc; + break; + default: + goto fail; + } + } else if (request == USB_REQ_SET_FEATURE && + value == USB_DEVICE_DEBUG_MODE) { + len = 0; + data = NULL; + dev_dbg(&dbgp.gadget->dev, "setup: feat debug\n"); +#ifdef CONFIG_USB_G_DBGP_PRINTK + err = dbgp_enable_ep(); +#else + err = gserial_connect(dbgp.serial, 0); +#endif + if (err < 0) + goto fail; + } else + goto fail; + + if (len >= 0) { + req->length = min(length, len); + req->zero = len < req->length; + if (data && req->length) + memcpy(req->buf, data, req->length); + + req->complete = dbgp_setup_complete; + return usb_ep_queue(gadget->ep0, req, GFP_ATOMIC); + } + +fail: + dev_dbg(&dbgp.gadget->dev, + "setup: failure req %x v %x\n", request, value); + return err; +} + +static struct usb_gadget_driver dbgp_driver = { + .function = "dbgp", + .speed = USB_SPEED_HIGH, + .bind = dbgp_bind, + .unbind = dbgp_unbind, + .setup = dbgp_setup, + .disconnect = dbgp_disconnect, + .driver = { + .owner = THIS_MODULE, + .name = "dbgp" + }, +}; + +static int __init dbgp_init(void) +{ + return usb_gadget_register_driver(&dbgp_driver); +} + +static void __exit dbgp_exit(void) +{ + usb_gadget_unregister_driver(&dbgp_driver); +#ifdef CONFIG_USB_G_DBGP_SERIAL + gserial_cleanup(); +#endif +} + +MODULE_AUTHOR("Stephane Duverger"); +MODULE_LICENSE("GPL"); +module_init(dbgp_init); +module_exit(dbgp_exit); diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c index 4f9e578..dc65462 100644 --- a/drivers/usb/gadget/dummy_hcd.c +++ b/drivers/usb/gadget/dummy_hcd.c @@ -1542,7 +1542,7 @@ static int dummy_hub_status (struct usb_hcd *hcd, char *buf) dum = hcd_to_dummy (hcd); spin_lock_irqsave (&dum->lock, flags); - if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) + if (!HCD_HW_ACCESSIBLE(hcd)) goto done; if (dum->resuming && time_after_eq (jiffies, dum->re_timeout)) { @@ -1588,7 +1588,7 @@ static int dummy_hub_control ( int retval = 0; unsigned long flags; - if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) + if (!HCD_HW_ACCESSIBLE(hcd)) return -ETIMEDOUT; dum = hcd_to_dummy (hcd); @@ -1739,7 +1739,7 @@ static int dummy_bus_resume (struct usb_hcd *hcd) dev_dbg (&hcd->self.root_hub->dev, "%s\n", __func__); spin_lock_irq (&dum->lock); - if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) { + if (!HCD_HW_ACCESSIBLE(hcd)) { rc = -ESHUTDOWN; } else { dum->rh_state = DUMMY_RH_RUNNING; diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c index 400f8037..114fa02 100644 --- a/drivers/usb/gadget/ether.c +++ b/drivers/usb/gadget/ether.c @@ -237,7 +237,7 @@ static u8 hostaddr[ETH_ALEN]; * the first one present. That's to make Microsoft's drivers happy, * and to follow DOCSIS 1.0 (cable modem standard). */ -static int __init rndis_do_config(struct usb_configuration *c) +static int __ref rndis_do_config(struct usb_configuration *c) { /* FIXME alloc iConfiguration string, set it in c->strings */ @@ -270,7 +270,7 @@ MODULE_PARM_DESC(use_eem, "use CDC EEM mode"); /* * We _always_ have an ECM, CDC Subset, or EEM configuration. */ -static int __init eth_do_config(struct usb_configuration *c) +static int __ref eth_do_config(struct usb_configuration *c) { /* FIXME alloc iConfiguration string, set it in c->strings */ @@ -297,7 +297,7 @@ static struct usb_configuration eth_config_driver = { /*-------------------------------------------------------------------------*/ -static int __init eth_bind(struct usb_composite_dev *cdev) +static int __ref eth_bind(struct usb_composite_dev *cdev) { int gcnum; struct usb_gadget *gadget = cdev->gadget; diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index 2aaa0f7..e4f5950 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -714,9 +714,7 @@ static long ffs_ep0_ioctl(struct file *file, unsigned code, unsigned long value) struct ffs_function *func = ffs->func; ret = func ? ffs_func_revmap_intf(func, value) : -ENODEV; } else if (gadget->ops->ioctl) { - lock_kernel(); ret = gadget->ops->ioctl(gadget, code, value); - unlock_kernel(); } else { ret = -ENOTTY; } @@ -1377,7 +1375,8 @@ static void ffs_data_reset(struct ffs_data *ffs) static int functionfs_bind(struct ffs_data *ffs, struct usb_composite_dev *cdev) { - unsigned i, count; + struct usb_gadget_strings **lang; + int first_id; ENTER(); @@ -1385,7 +1384,9 @@ static int functionfs_bind(struct ffs_data *ffs, struct usb_composite_dev *cdev) || test_and_set_bit(FFS_FL_BOUND, &ffs->flags))) return -EBADFD; - ffs_data_get(ffs); + first_id = usb_string_ids_n(cdev, ffs->strings_count); + if (unlikely(first_id < 0)) + return first_id; ffs->ep0req = usb_ep_alloc_request(cdev->gadget->ep0, GFP_KERNEL); if (unlikely(!ffs->ep0req)) @@ -1393,25 +1394,16 @@ static int functionfs_bind(struct ffs_data *ffs, struct usb_composite_dev *cdev) ffs->ep0req->complete = ffs_ep0_complete; ffs->ep0req->context = ffs; - /* Get strings identifiers */ - for (count = ffs->strings_count, i = 0; i < count; ++i) { - struct usb_gadget_strings **lang; - - int id = usb_string_id(cdev); - if (unlikely(id < 0)) { - usb_ep_free_request(cdev->gadget->ep0, ffs->ep0req); - ffs->ep0req = NULL; - return id; - } - - lang = ffs->stringtabs; - do { - (*lang)->strings[i].id = id; - ++lang; - } while (*lang); + lang = ffs->stringtabs; + for (lang = ffs->stringtabs; *lang; ++lang) { + struct usb_string *str = (*lang)->strings; + int id = first_id; + for (; str->s; ++id, ++str) + str->id = id; } ffs->gadget = cdev->gadget; + ffs_data_get(ffs); return 0; } @@ -1480,9 +1472,9 @@ static void ffs_epfiles_destroy(struct ffs_epfile *epfiles, unsigned count) } -static int functionfs_add(struct usb_composite_dev *cdev, - struct usb_configuration *c, - struct ffs_data *ffs) +static int functionfs_bind_config(struct usb_composite_dev *cdev, + struct usb_configuration *c, + struct ffs_data *ffs) { struct ffs_function *func; int ret; diff --git a/drivers/usb/gadget/f_hid.c b/drivers/usb/gadget/f_hid.c index 9447427..111b85c 100644 --- a/drivers/usb/gadget/f_hid.c +++ b/drivers/usb/gadget/f_hid.c @@ -142,7 +142,7 @@ static struct usb_descriptor_header *hidg_fs_descriptors[] = { static ssize_t f_hidg_read(struct file *file, char __user *buffer, size_t count, loff_t *ptr) { - struct f_hidg *hidg = (struct f_hidg *)file->private_data; + struct f_hidg *hidg = file->private_data; char *tmp_buff = NULL; unsigned long flags; @@ -200,7 +200,7 @@ static void f_hidg_req_complete(struct usb_ep *ep, struct usb_request *req) static ssize_t f_hidg_write(struct file *file, const char __user *buffer, size_t count, loff_t *offp) { - struct f_hidg *hidg = (struct f_hidg *)file->private_data; + struct f_hidg *hidg = file->private_data; ssize_t status = -ENOMEM; if (!access_ok(VERIFY_READ, buffer, count)) @@ -257,7 +257,7 @@ static ssize_t f_hidg_write(struct file *file, const char __user *buffer, static unsigned int f_hidg_poll(struct file *file, poll_table *wait) { - struct f_hidg *hidg = (struct f_hidg *)file->private_data; + struct f_hidg *hidg = file->private_data; unsigned int ret = 0; poll_wait(file, &hidg->read_queue, wait); diff --git a/drivers/usb/gadget/f_loopback.c b/drivers/usb/gadget/f_loopback.c index e91d1b1..4322587 100644 --- a/drivers/usb/gadget/f_loopback.c +++ b/drivers/usb/gadget/f_loopback.c @@ -324,7 +324,7 @@ static void loopback_disable(struct usb_function *f) /*-------------------------------------------------------------------------*/ -static int __init loopback_bind_config(struct usb_configuration *c) +static int __ref loopback_bind_config(struct usb_configuration *c) { struct f_loopback *loop; int status; @@ -346,7 +346,7 @@ static int __init loopback_bind_config(struct usb_configuration *c) return status; } -static struct usb_configuration loopback_driver = { +static struct usb_configuration loopback_driver = { .label = "loopback", .strings = loopback_strings, .bind = loopback_bind_config, diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c index 4ce899c..32cce02 100644 --- a/drivers/usb/gadget/f_mass_storage.c +++ b/drivers/usb/gadget/f_mass_storage.c @@ -316,6 +316,27 @@ static const char fsg_string_interface[] = "Mass Storage"; /*-------------------------------------------------------------------------*/ struct fsg_dev; +struct fsg_common; + +/* FSF callback functions */ +struct fsg_operations { + /* Callback function to call when thread exits. If no + * callback is set or it returns value lower then zero MSF + * will force eject all LUNs it operates on (including those + * marked as non-removable or with prevent_medium_removal flag + * set). */ + int (*thread_exits)(struct fsg_common *common); + + /* Called prior to ejection. Negative return means error, + * zero means to continue with ejection, positive means not to + * eject. */ + int (*pre_eject)(struct fsg_common *common, + struct fsg_lun *lun, int num); + /* Called after ejection. Negative return means error, zero + * or positive is just a success. */ + int (*post_eject)(struct fsg_common *common, + struct fsg_lun *lun, int num); +}; /* Data shared by all the FSG instances. */ @@ -333,7 +354,6 @@ struct fsg_common { struct usb_ep *ep0; /* Copy of gadget->ep0 */ struct usb_request *ep0req; /* Copy of cdev->req */ unsigned int ep0_req_tag; - const char *ep0req_name; struct fsg_buffhd *next_buffhd_to_fill; struct fsg_buffhd *next_buffhd_to_drain; @@ -369,8 +389,8 @@ struct fsg_common { struct completion thread_notifier; struct task_struct *thread_task; - /* Callback function to call when thread exits. */ - int (*thread_exits)(struct fsg_common *common); + /* Callback functions. */ + const struct fsg_operations *ops; /* Gadget's private data. */ void *private_data; @@ -394,12 +414,8 @@ struct fsg_config { const char *lun_name_format; const char *thread_name; - /* Callback function to call when thread exits. If no - * callback is set or it returns value lower then zero MSF - * will force eject all LUNs it operates on (including those - * marked as non-removable or with prevent_medium_removal flag - * set). */ - int (*thread_exits)(struct fsg_common *common); + /* Callback functions. */ + const struct fsg_operations *ops; /* Gadget's private data. */ void *private_data; @@ -435,6 +451,7 @@ static inline int __fsg_is_set(struct fsg_common *common, if (common->fsg) return 1; ERROR(common, "common->fsg is NULL in %s at %u\n", func, line); + WARN_ON(1); return 0; } @@ -623,8 +640,6 @@ static int fsg_setup(struct usb_function *f, /* Respond with data/status */ req->length = min((u16)1, w_length); - fsg->common->ep0req_name = - ctrl->bRequestType & USB_DIR_IN ? "ep0-in" : "ep0-out"; return ep0_queue(fsg->common); } @@ -1395,43 +1410,55 @@ static int do_start_stop(struct fsg_common *common) } else if (!curlun->removable) { curlun->sense_data = SS_INVALID_COMMAND; return -EINVAL; - } - - loej = common->cmnd[4] & 0x02; - start = common->cmnd[4] & 0x01; - - /* eject code from file_storage.c:do_start_stop() */ - - if ((common->cmnd[1] & ~0x01) != 0 || /* Mask away Immed */ - (common->cmnd[4] & ~0x03) != 0) { /* Mask LoEj, Start */ + } else if ((common->cmnd[1] & ~0x01) != 0 || /* Mask away Immed */ + (common->cmnd[4] & ~0x03) != 0) { /* Mask LoEj, Start */ curlun->sense_data = SS_INVALID_FIELD_IN_CDB; return -EINVAL; } - if (!start) { - /* Are we allowed to unload the media? */ - if (curlun->prevent_medium_removal) { - LDBG(curlun, "unload attempt prevented\n"); - curlun->sense_data = SS_MEDIUM_REMOVAL_PREVENTED; - return -EINVAL; - } - if (loej) { /* Simulate an unload/eject */ - up_read(&common->filesem); - down_write(&common->filesem); - fsg_lun_close(curlun); - up_write(&common->filesem); - down_read(&common->filesem); - } - } else { + loej = common->cmnd[4] & 0x02; + start = common->cmnd[4] & 0x01; - /* Our emulation doesn't support mounting; the medium is - * available for use as soon as it is loaded. */ + /* Our emulation doesn't support mounting; the medium is + * available for use as soon as it is loaded. */ + if (start) { if (!fsg_lun_is_open(curlun)) { curlun->sense_data = SS_MEDIUM_NOT_PRESENT; return -EINVAL; } + return 0; } - return 0; + + /* Are we allowed to unload the media? */ + if (curlun->prevent_medium_removal) { + LDBG(curlun, "unload attempt prevented\n"); + curlun->sense_data = SS_MEDIUM_REMOVAL_PREVENTED; + return -EINVAL; + } + + if (!loej) + return 0; + + /* Simulate an unload/eject */ + if (common->ops && common->ops->pre_eject) { + int r = common->ops->pre_eject(common, curlun, + curlun - common->luns); + if (unlikely(r < 0)) + return r; + else if (r) + return 0; + } + + up_read(&common->filesem); + down_write(&common->filesem); + fsg_lun_close(curlun); + up_write(&common->filesem); + down_read(&common->filesem); + + return common->ops && common->ops->post_eject + ? min(0, common->ops->post_eject(common, curlun, + curlun - common->luns)) + : 0; } @@ -2610,7 +2637,8 @@ static int fsg_main_thread(void *common_) common->thread_task = NULL; spin_unlock_irq(&common->lock); - if (!common->thread_exits || common->thread_exits(common) < 0) { + if (!common->ops || !common->ops->thread_exits + || common->ops->thread_exits(common) < 0) { struct fsg_lun *curlun = common->luns; unsigned i = common->nluns; @@ -2686,6 +2714,7 @@ static struct fsg_common *fsg_common_init(struct fsg_common *common, common->free_storage_on_release = 0; } + common->ops = cfg->ops; common->private_data = cfg->private_data; common->gadget = gadget; @@ -2807,7 +2836,6 @@ buffhds_first_it: /* Tell the thread to start working */ - common->thread_exits = cfg->thread_exits; common->thread_task = kthread_create(fsg_main_thread, common, OR(cfg->thread_name, "file-storage")); @@ -2990,9 +3018,9 @@ static struct usb_gadget_strings *fsg_strings_array[] = { NULL, }; -static int fsg_add(struct usb_composite_dev *cdev, - struct usb_configuration *c, - struct fsg_common *common) +static int fsg_bind_config(struct usb_composite_dev *cdev, + struct usb_configuration *c, + struct fsg_common *common) { struct fsg_dev *fsg; int rc; @@ -3024,6 +3052,13 @@ static int fsg_add(struct usb_composite_dev *cdev, return rc; } +static inline int __deprecated __maybe_unused +fsg_add(struct usb_composite_dev *cdev, + struct usb_configuration *c, + struct fsg_common *common) +{ + return fsg_bind_config(cdev, c, common); +} /************************* Module parameters *************************/ @@ -3096,8 +3131,8 @@ fsg_config_from_params(struct fsg_config *cfg, cfg->product_name = 0; cfg->release = 0xffff; - cfg->thread_exits = 0; - cfg->private_data = 0; + cfg->ops = NULL; + cfg->private_data = NULL; /* Finalise */ cfg->can_stall = params->stall; diff --git a/drivers/usb/gadget/f_sourcesink.c b/drivers/usb/gadget/f_sourcesink.c index 6d3cc44..685d768 100644 --- a/drivers/usb/gadget/f_sourcesink.c +++ b/drivers/usb/gadget/f_sourcesink.c @@ -404,7 +404,7 @@ static void sourcesink_disable(struct usb_function *f) /*-------------------------------------------------------------------------*/ -static int __init sourcesink_bind_config(struct usb_configuration *c) +static int __ref sourcesink_bind_config(struct usb_configuration *c) { struct f_sourcesink *ss; int status; diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c index b49d86e..a857b7a 100644 --- a/drivers/usb/gadget/file_storage.c +++ b/drivers/usb/gadget/file_storage.c @@ -56,7 +56,7 @@ * following protocols: RBC (0x01), ATAPI or SFF-8020i (0x02), QIC-157 (0c03), * UFI (0x04), SFF-8070i (0x05), and transparent SCSI (0x06), selected by * the optional "protocol" module parameter. In addition, the default - * Vendor ID, Product ID, and release number can be overridden. + * Vendor ID, Product ID, release number and serial number can be overridden. * * There is support for multiple logical units (LUNs), each of which has * its own backing file. The number of LUNs can be set using the optional @@ -93,6 +93,8 @@ * removable Default false, boolean for removable media * luns=N Default N = number of filenames, number of * LUNs to support + * nofua=b[,b...] Default false, booleans for ignore FUA flag + * in SCSI WRITE(10,12) commands * stall Default determined according to the type of * USB device controller (usually true), * boolean to permit the driver to halt @@ -106,17 +108,18 @@ * vendor=0xVVVV Default 0x0525 (NetChip), USB Vendor ID * product=0xPPPP Default 0xa4a5 (FSG), USB Product ID * release=0xRRRR Override the USB release number (bcdDevice) + * serial=HHHH... Override serial number (string of hex chars) * buflen=N Default N=16384, buffer size used (will be * rounded down to a multiple of * PAGE_CACHE_SIZE) * * If CONFIG_USB_FILE_STORAGE_TEST is not set, only the "file", "ro", - * "removable", "luns", "stall", and "cdrom" options are available; default - * values are used for everything else. + * "removable", "luns", "nofua", "stall", and "cdrom" options are available; + * default values are used for everything else. * * The pathnames of the backing files and the ro settings are available in - * the attribute files "file" and "ro" in the lun<n> subdirectory of the - * gadget's sysfs directory. If the "removable" option is set, writing to + * the attribute files "file", "nofua", and "ro" in the lun<n> subdirectory of + * the gadget's sysfs directory. If the "removable" option is set, writing to * these files will simulate ejecting/loading the medium (writing an empty * line means eject) and adjusting a write-enable tab. Changes to the ro * setting are not allowed when the medium is loaded or if CD-ROM emulation @@ -270,6 +273,8 @@ #define DRIVER_DESC "File-backed Storage Gadget" #define DRIVER_NAME "g_file_storage" +/* DRIVER_VERSION must be at least 6 characters long, as it is used + * to generate a fallback serial number. */ #define DRIVER_VERSION "20 November 2008" static char fsg_string_manufacturer[64]; @@ -301,8 +306,10 @@ MODULE_LICENSE("Dual BSD/GPL"); static struct { char *file[FSG_MAX_LUNS]; int ro[FSG_MAX_LUNS]; + int nofua[FSG_MAX_LUNS]; unsigned int num_filenames; unsigned int num_ros; + unsigned int num_nofuas; unsigned int nluns; int removable; @@ -314,6 +321,7 @@ static struct { unsigned short vendor; unsigned short product; unsigned short release; + char *serial; unsigned int buflen; int transport_type; @@ -341,6 +349,10 @@ MODULE_PARM_DESC(file, "names of backing files or devices"); module_param_array_named(ro, mod_data.ro, bool, &mod_data.num_ros, S_IRUGO); MODULE_PARM_DESC(ro, "true to force read-only"); +module_param_array_named(nofua, mod_data.nofua, bool, &mod_data.num_nofuas, + S_IRUGO); +MODULE_PARM_DESC(nofua, "true to ignore SCSI WRITE(10,12) FUA bit"); + module_param_named(luns, mod_data.nluns, uint, S_IRUGO); MODULE_PARM_DESC(luns, "number of LUNs"); @@ -353,6 +365,8 @@ MODULE_PARM_DESC(stall, "false to prevent bulk stalls"); module_param_named(cdrom, mod_data.cdrom, bool, S_IRUGO); MODULE_PARM_DESC(cdrom, "true to emulate cdrom instead of disk"); +module_param_named(serial, mod_data.serial, charp, S_IRUGO); +MODULE_PARM_DESC(serial, "USB serial number"); /* In the non-TEST version, only the module parameters listed above * are available. */ @@ -1272,7 +1286,8 @@ static int do_write(struct fsg_dev *fsg) curlun->sense_data = SS_INVALID_FIELD_IN_CDB; return -EINVAL; } - if (fsg->cmnd[1] & 0x08) { // FUA + /* FUA */ + if (!curlun->nofua && (fsg->cmnd[1] & 0x08)) { spin_lock(&curlun->filp->f_lock); curlun->filp->f_flags |= O_DSYNC; spin_unlock(&curlun->filp->f_lock); @@ -3126,6 +3141,7 @@ static int fsg_main_thread(void *fsg_) /* The write permissions and store_xxx pointers are set in fsg_bind() */ static DEVICE_ATTR(ro, 0444, fsg_show_ro, NULL); +static DEVICE_ATTR(nofua, 0644, fsg_show_nofua, NULL); static DEVICE_ATTR(file, 0444, fsg_show_file, NULL); @@ -3197,6 +3213,7 @@ static int __init check_parameters(struct fsg_dev *fsg) { int prot; int gcnum; + int i; /* Store the default values */ mod_data.transport_type = USB_PR_BULK; @@ -3272,13 +3289,65 @@ static int __init check_parameters(struct fsg_dev *fsg) ERROR(fsg, "invalid buflen\n"); return -ETOOSMALL; } + #endif /* CONFIG_USB_FILE_STORAGE_TEST */ + /* Serial string handling. + * On a real device, the serial string would be loaded + * from permanent storage. */ + if (mod_data.serial) { + const char *ch; + unsigned len = 0; + + /* Sanity check : + * The CB[I] specification limits the serial string to + * 12 uppercase hexadecimal characters. + * BBB need at least 12 uppercase hexadecimal characters, + * with a maximum of 126. */ + for (ch = mod_data.serial; *ch; ++ch) { + ++len; + if ((*ch < '0' || *ch > '9') && + (*ch < 'A' || *ch > 'F')) { /* not uppercase hex */ + WARNING(fsg, + "Invalid serial string character: %c; " + "Failing back to default\n", + *ch); + goto fill_serial; + } + } + if (len > 126 || + (mod_data.transport_type == USB_PR_BULK && len < 12) || + (mod_data.transport_type != USB_PR_BULK && len > 12)) { + WARNING(fsg, + "Invalid serial string length; " + "Failing back to default\n"); + goto fill_serial; + } + fsg_strings[FSG_STRING_SERIAL - 1].s = mod_data.serial; + } else { + WARNING(fsg, + "Userspace failed to provide serial number; " + "Failing back to default\n"); +fill_serial: + /* Serial number not specified or invalid, make our own. + * We just encode it from the driver version string, + * 12 characters to comply with both CB[I] and BBB spec. + * Warning : Two devices running the same kernel will have + * the same fallback serial number. */ + for (i = 0; i < 12; i += 2) { + unsigned char c = DRIVER_VERSION[i / 2]; + + if (!c) + break; + sprintf(&fsg_string_serial[i], "%02X", c); + } + } + return 0; } -static int __init fsg_bind(struct usb_gadget *gadget) +static int __ref fsg_bind(struct usb_gadget *gadget) { struct fsg_dev *fsg = the_fsg; int rc; @@ -3305,6 +3374,10 @@ static int __init fsg_bind(struct usb_gadget *gadget) } } + /* Only for removable media? */ + dev_attr_nofua.attr.mode = 0644; + dev_attr_nofua.store = fsg_store_nofua; + /* Find out how many LUNs there should be */ i = mod_data.nluns; if (i == 0) @@ -3330,6 +3403,7 @@ static int __init fsg_bind(struct usb_gadget *gadget) curlun->ro = mod_data.cdrom || mod_data.ro[i]; curlun->initially_ro = curlun->ro; curlun->removable = mod_data.removable; + curlun->nofua = mod_data.nofua[i]; curlun->dev.release = lun_release; curlun->dev.parent = &gadget->dev; curlun->dev.driver = &fsg_driver.driver; @@ -3344,6 +3418,8 @@ static int __init fsg_bind(struct usb_gadget *gadget) if ((rc = device_create_file(&curlun->dev, &dev_attr_ro)) != 0 || (rc = device_create_file(&curlun->dev, + &dev_attr_nofua)) != 0 || + (rc = device_create_file(&curlun->dev, &dev_attr_file)) != 0) { device_unregister(&curlun->dev); goto out; @@ -3447,16 +3523,6 @@ static int __init fsg_bind(struct usb_gadget *gadget) init_utsname()->sysname, init_utsname()->release, gadget->name); - /* On a real device, serial[] would be loaded from permanent - * storage. We just encode it from the driver version string. */ - for (i = 0; i < sizeof fsg_string_serial - 2; i += 2) { - unsigned char c = DRIVER_VERSION[i / 2]; - - if (!c) - break; - sprintf(&fsg_string_serial[i], "%02X", c); - } - fsg->thread_task = kthread_create(fsg_main_thread, fsg, "file-storage-gadget"); if (IS_ERR(fsg->thread_task)) { @@ -3478,8 +3544,8 @@ static int __init fsg_bind(struct usb_gadget *gadget) if (IS_ERR(p)) p = NULL; } - LINFO(curlun, "ro=%d, file: %s\n", - curlun->ro, (p ? p : "(error)")); + LINFO(curlun, "ro=%d, nofua=%d, file: %s\n", + curlun->ro, curlun->nofua, (p ? p : "(error)")); } } kfree(pathbuf); diff --git a/drivers/usb/gadget/g_ffs.c b/drivers/usb/gadget/g_ffs.c index d1af253..a9474f8 100644 --- a/drivers/usb/gadget/g_ffs.c +++ b/drivers/usb/gadget/g_ffs.c @@ -32,12 +32,13 @@ # include "u_ether.c" static u8 gfs_hostaddr[ETH_ALEN]; -#else -# if !defined CONFIG_USB_FUNCTIONFS_GENERIC -# define CONFIG_USB_FUNCTIONFS_GENERIC +# ifdef CONFIG_USB_FUNCTIONFS_ETH +static int eth_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN]); # endif +#else # define gether_cleanup() do { } while (0) # define gether_setup(gadget, hostaddr) ((int)0) +# define gfs_hostaddr NULL #endif #include "f_fs.c" @@ -107,15 +108,7 @@ static const struct usb_descriptor_header *gfs_otg_desc[] = { enum { GFS_STRING_MANUFACTURER_IDX, GFS_STRING_PRODUCT_IDX, -#ifdef CONFIG_USB_FUNCTIONFS_RNDIS - GFS_STRING_RNDIS_CONFIG_IDX, -#endif -#ifdef CONFIG_USB_FUNCTIONFS_ETH - GFS_STRING_ECM_CONFIG_IDX, -#endif -#ifdef CONFIG_USB_FUNCTIONFS_GENERIC - GFS_STRING_GENERIC_CONFIG_IDX, -#endif + GFS_STRING_FIRST_CONFIG_IDX, }; static char gfs_manufacturer[50]; @@ -126,13 +119,13 @@ static struct usb_string gfs_strings[] = { [GFS_STRING_MANUFACTURER_IDX].s = gfs_manufacturer, [GFS_STRING_PRODUCT_IDX].s = gfs_driver_desc, #ifdef CONFIG_USB_FUNCTIONFS_RNDIS - [GFS_STRING_RNDIS_CONFIG_IDX].s = "FunctionFS + RNDIS", + { .s = "FunctionFS + RNDIS" }, #endif #ifdef CONFIG_USB_FUNCTIONFS_ETH - [GFS_STRING_ECM_CONFIG_IDX].s = "FunctionFS + ECM", + { .s = "FunctionFS + ECM" }, #endif #ifdef CONFIG_USB_FUNCTIONFS_GENERIC - [GFS_STRING_GENERIC_CONFIG_IDX].s = "FunctionFS", + { .s = "FunctionFS" }, #endif { } /* end of list */ }; @@ -146,59 +139,33 @@ static struct usb_gadget_strings *gfs_dev_strings[] = { }; + +struct gfs_configuration { + struct usb_configuration c; + int (*eth)(struct usb_configuration *c, u8 *ethaddr); +} gfs_configurations[] = { #ifdef CONFIG_USB_FUNCTIONFS_RNDIS -static int gfs_do_rndis_config(struct usb_configuration *c); - -static struct usb_configuration gfs_rndis_config_driver = { - .label = "FunctionFS + RNDIS", - .bind = gfs_do_rndis_config, - .bConfigurationValue = 1, - /* .iConfiguration = DYNAMIC */ - .bmAttributes = USB_CONFIG_ATT_SELFPOWER, -}; -# define gfs_add_rndis_config(cdev) \ - usb_add_config(cdev, &gfs_rndis_config_driver) -#else -# define gfs_add_rndis_config(cdev) 0 + { + .eth = rndis_bind_config, + }, #endif - #ifdef CONFIG_USB_FUNCTIONFS_ETH -static int gfs_do_ecm_config(struct usb_configuration *c); - -static struct usb_configuration gfs_ecm_config_driver = { - .label = "FunctionFS + ECM", - .bind = gfs_do_ecm_config, - .bConfigurationValue = 1, - /* .iConfiguration = DYNAMIC */ - .bmAttributes = USB_CONFIG_ATT_SELFPOWER, -}; -# define gfs_add_ecm_config(cdev) \ - usb_add_config(cdev, &gfs_ecm_config_driver) -#else -# define gfs_add_ecm_config(cdev) 0 + { + .eth = eth_bind_config, + }, #endif - #ifdef CONFIG_USB_FUNCTIONFS_GENERIC -static int gfs_do_generic_config(struct usb_configuration *c); - -static struct usb_configuration gfs_generic_config_driver = { - .label = "FunctionFS", - .bind = gfs_do_generic_config, - .bConfigurationValue = 2, - /* .iConfiguration = DYNAMIC */ - .bmAttributes = USB_CONFIG_ATT_SELFPOWER, -}; -# define gfs_add_generic_config(cdev) \ - usb_add_config(cdev, &gfs_generic_config_driver) -#else -# define gfs_add_generic_config(cdev) 0 + { + }, #endif +}; static int gfs_bind(struct usb_composite_dev *cdev); static int gfs_unbind(struct usb_composite_dev *cdev); +static int gfs_do_config(struct usb_configuration *c); static struct usb_composite_driver gfs_driver = { .name = gfs_short_name, @@ -267,7 +234,7 @@ static int functionfs_check_dev_callback(const char *dev_name) static int gfs_bind(struct usb_composite_dev *cdev) { - int ret; + int ret, i; ENTER(); @@ -284,57 +251,32 @@ static int gfs_bind(struct usb_composite_dev *cdev) snprintf(gfs_manufacturer, sizeof gfs_manufacturer, "%s %s with %s", init_utsname()->sysname, init_utsname()->release, cdev->gadget->name); - ret = usb_string_id(cdev); - if (unlikely(ret < 0)) - goto error; - gfs_strings[GFS_STRING_MANUFACTURER_IDX].id = ret; - gfs_dev_desc.iManufacturer = ret; - - ret = usb_string_id(cdev); - if (unlikely(ret < 0)) - goto error; - gfs_strings[GFS_STRING_PRODUCT_IDX].id = ret; - gfs_dev_desc.iProduct = ret; - -#ifdef CONFIG_USB_FUNCTIONFS_RNDIS - ret = usb_string_id(cdev); - if (unlikely(ret < 0)) - goto error; - gfs_strings[GFS_STRING_RNDIS_CONFIG_IDX].id = ret; - gfs_rndis_config_driver.iConfiguration = ret; -#endif -#ifdef CONFIG_USB_FUNCTIONFS_ETH - ret = usb_string_id(cdev); + ret = usb_string_ids_tab(cdev, gfs_strings); if (unlikely(ret < 0)) goto error; - gfs_strings[GFS_STRING_ECM_CONFIG_IDX].id = ret; - gfs_ecm_config_driver.iConfiguration = ret; -#endif -#ifdef CONFIG_USB_FUNCTIONFS_GENERIC - ret = usb_string_id(cdev); - if (unlikely(ret < 0)) - goto error; - gfs_strings[GFS_STRING_GENERIC_CONFIG_IDX].id = ret; - gfs_generic_config_driver.iConfiguration = ret; -#endif + gfs_dev_desc.iManufacturer = gfs_strings[GFS_STRING_MANUFACTURER_IDX].id; + gfs_dev_desc.iProduct = gfs_strings[GFS_STRING_PRODUCT_IDX].id; ret = functionfs_bind(gfs_ffs_data, cdev); if (unlikely(ret < 0)) goto error; - ret = gfs_add_rndis_config(cdev); - if (unlikely(ret < 0)) - goto error_unbind; + for (i = 0; i < ARRAY_SIZE(gfs_configurations); ++i) { + struct gfs_configuration *c = gfs_configurations + i; - ret = gfs_add_ecm_config(cdev); - if (unlikely(ret < 0)) - goto error_unbind; + ret = GFS_STRING_FIRST_CONFIG_IDX + i; + c->c.label = gfs_strings[ret].s; + c->c.iConfiguration = gfs_strings[ret].id; + c->c.bind = gfs_do_config; + c->c.bConfigurationValue = 1 + i; + c->c.bmAttributes = USB_CONFIG_ATT_SELFPOWER; - ret = gfs_add_generic_config(cdev); - if (unlikely(ret < 0)) - goto error_unbind; + ret = usb_add_config(cdev, &c->c); + if (unlikely(ret < 0)) + goto error_unbind; + } return 0; @@ -368,10 +310,10 @@ static int gfs_unbind(struct usb_composite_dev *cdev) } -static int __gfs_do_config(struct usb_configuration *c, - int (*eth)(struct usb_configuration *c, u8 *ethaddr), - u8 *ethaddr) +static int gfs_do_config(struct usb_configuration *c) { + struct gfs_configuration *gc = + container_of(c, struct gfs_configuration, c); int ret; if (WARN_ON(!gfs_ffs_data)) @@ -382,13 +324,13 @@ static int __gfs_do_config(struct usb_configuration *c, c->bmAttributes |= USB_CONFIG_ATT_WAKEUP; } - if (eth) { - ret = eth(c, ethaddr); + if (gc->eth) { + ret = gc->eth(c, gfs_hostaddr); if (unlikely(ret < 0)) return ret; } - ret = functionfs_add(c->cdev, c, gfs_ffs_data); + ret = functionfs_bind_config(c->cdev, c, gfs_ffs_data); if (unlikely(ret < 0)) return ret; @@ -406,32 +348,12 @@ static int __gfs_do_config(struct usb_configuration *c, return 0; } -#ifdef CONFIG_USB_FUNCTIONFS_RNDIS -static int gfs_do_rndis_config(struct usb_configuration *c) -{ - ENTER(); - - return __gfs_do_config(c, rndis_bind_config, gfs_hostaddr); -} -#endif #ifdef CONFIG_USB_FUNCTIONFS_ETH -static int gfs_do_ecm_config(struct usb_configuration *c) -{ - ENTER(); - - return __gfs_do_config(c, - can_support_ecm(c->cdev->gadget) - ? ecm_bind_config : geth_bind_config, - gfs_hostaddr); -} -#endif - -#ifdef CONFIG_USB_FUNCTIONFS_GENERIC -static int gfs_do_generic_config(struct usb_configuration *c) +static int eth_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN]) { - ENTER(); - - return __gfs_do_config(c, NULL, NULL); + return can_support_ecm(c->cdev->gadget) + ? ecm_bind_config(c, ethaddr) + : geth_bind_config(c, ethaddr); } #endif diff --git a/drivers/usb/gadget/gmidi.c b/drivers/usb/gadget/gmidi.c index b7bf880..1b413a5 100644 --- a/drivers/usb/gadget/gmidi.c +++ b/drivers/usb/gadget/gmidi.c @@ -1157,7 +1157,7 @@ fail: /* * Creates an output endpoint, and initializes output ports. */ -static int __init gmidi_bind(struct usb_gadget *gadget) +static int __ref gmidi_bind(struct usb_gadget *gadget) { struct gmidi_device *dev; struct usb_ep *in_ep, *out_ep; diff --git a/drivers/usb/gadget/hid.c b/drivers/usb/gadget/hid.c index 7757226..735495b 100644 --- a/drivers/usb/gadget/hid.c +++ b/drivers/usb/gadget/hid.c @@ -127,7 +127,7 @@ static struct usb_gadget_strings *dev_strings[] = { /****************************** Configurations ******************************/ -static int __init do_config(struct usb_configuration *c) +static int __ref do_config(struct usb_configuration *c) { struct hidg_func_node *e; int func = 0, status = 0; @@ -156,7 +156,7 @@ static struct usb_configuration config_driver = { /****************************** Gadget Bind ******************************/ -static int __init hid_bind(struct usb_composite_dev *cdev) +static int __ref hid_bind(struct usb_composite_dev *cdev) { struct usb_gadget *gadget = cdev->gadget; struct list_head *tmp; diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index de8a838..fc35406 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -1299,11 +1299,9 @@ static long dev_ioctl (struct file *fd, unsigned code, unsigned long value) struct usb_gadget *gadget = dev->gadget; long ret = -ENOTTY; - if (gadget->ops->ioctl) { - lock_kernel(); + if (gadget->ops->ioctl) ret = gadget->ops->ioctl (gadget, code, value); - unlock_kernel(); - } + return ret; } @@ -1867,13 +1865,9 @@ dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) buf += 4; length -= 4; - kbuf = kmalloc (length, GFP_KERNEL); - if (!kbuf) - return -ENOMEM; - if (copy_from_user (kbuf, buf, length)) { - kfree (kbuf); - return -EFAULT; - } + kbuf = memdup_user(buf, length); + if (IS_ERR(kbuf)) + return PTR_ERR(kbuf); spin_lock_irq (&dev->lock); value = -EINVAL; diff --git a/drivers/usb/gadget/langwell_udc.c b/drivers/usb/gadget/langwell_udc.c index f1a0702..d41b69c 100644 --- a/drivers/usb/gadget/langwell_udc.c +++ b/drivers/usb/gadget/langwell_udc.c @@ -841,9 +841,9 @@ static int langwell_ep_queue(struct usb_ep *_ep, struct usb_request *_req, VDBG(dev, "req->mapped = 0\n"); } - DBG(dev, "%s queue req %p, len %u, buf %p, dma 0x%08x\n", - _ep->name, - _req, _req->length, _req->buf, _req->dma); + DBG(dev, "%s queue req %p, len %u, buf %p, dma 0x%08llx\n", + _ep->name, + _req, _req->length, _req->buf, (unsigned long long)_req->dma); _req->status = -EINPROGRESS; _req->actual = 0; diff --git a/drivers/usb/gadget/mass_storage.c b/drivers/usb/gadget/mass_storage.c index 705cc1f..585f255 100644 --- a/drivers/usb/gadget/mass_storage.c +++ b/drivers/usb/gadget/mass_storage.c @@ -141,9 +141,14 @@ static int msg_thread_exits(struct fsg_common *common) return 0; } -static int __init msg_do_config(struct usb_configuration *c) +static int __ref msg_do_config(struct usb_configuration *c) { - struct fsg_common *common; + static const struct fsg_operations ops = { + .thread_exits = msg_thread_exits, + }; + static struct fsg_common common; + + struct fsg_common *retp; struct fsg_config config; int ret; @@ -153,13 +158,14 @@ static int __init msg_do_config(struct usb_configuration *c) } fsg_config_from_params(&config, &mod_data); - config.thread_exits = msg_thread_exits; - common = fsg_common_init(0, c->cdev, &config); - if (IS_ERR(common)) - return PTR_ERR(common); + config.ops = &ops; + + retp = fsg_common_init(&common, c->cdev, &config); + if (IS_ERR(retp)) + return PTR_ERR(retp); - ret = fsg_add(c->cdev, c, common); - fsg_common_put(common); + ret = fsg_bind_config(c->cdev, c, &common); + fsg_common_put(&common); return ret; } @@ -176,7 +182,7 @@ static struct usb_configuration msg_config_driver = { /****************************** Gadget Bind ******************************/ -static int __init msg_bind(struct usb_composite_dev *cdev) +static int __ref msg_bind(struct usb_composite_dev *cdev) { struct usb_gadget *gadget = cdev->gadget; int status; diff --git a/drivers/usb/gadget/multi.c b/drivers/usb/gadget/multi.c index a930d7f..795d762 100644 --- a/drivers/usb/gadget/multi.c +++ b/drivers/usb/gadget/multi.c @@ -24,6 +24,7 @@ #include <linux/kernel.h> #include <linux/utsname.h> +#include <linux/module.h> #if defined USB_ETH_RNDIS @@ -35,14 +36,13 @@ #define DRIVER_DESC "Multifunction Composite Gadget" -#define DRIVER_VERSION "2009/07/21" -/*-------------------------------------------------------------------------*/ +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_AUTHOR("Michal Nazarewicz"); +MODULE_LICENSE("GPL"); -#define MULTI_VENDOR_NUM 0x0525 /* XXX NetChip */ -#define MULTI_PRODUCT_NUM 0xa4ab /* XXX */ -/*-------------------------------------------------------------------------*/ +/***************************** All the files... *****************************/ /* * kbuild is not very cooperative with respect to linking separately @@ -57,6 +57,8 @@ #include "config.c" #include "epautoconf.c" +#include "f_mass_storage.c" + #include "u_serial.c" #include "f_acm.c" @@ -68,13 +70,24 @@ #endif #include "u_ether.c" -#undef DBG /* u_ether.c has broken idea about macros */ -#undef VDBG /* so clean up after it */ -#undef ERROR -#undef INFO -#include "f_mass_storage.c" -/*-------------------------------------------------------------------------*/ + +/***************************** Device Descriptor ****************************/ + +#define MULTI_VENDOR_NUM 0x0525 /* XXX NetChip */ +#define MULTI_PRODUCT_NUM 0xa4ab /* XXX */ + + +enum { + __MULTI_NO_CONFIG, +#ifdef CONFIG_USB_G_MULTI_RNDIS + MULTI_RNDIS_CONFIG_NUM, +#endif +#ifdef CONFIG_USB_G_MULTI_CDC + MULTI_CDC_CONFIG_NUM, +#endif +}; + static struct usb_device_descriptor device_desc = { .bLength = sizeof device_desc, @@ -82,80 +95,82 @@ static struct usb_device_descriptor device_desc = { .bcdUSB = cpu_to_le16(0x0200), - /* .bDeviceClass = USB_CLASS_COMM, */ - /* .bDeviceSubClass = 0, */ - /* .bDeviceProtocol = 0, */ - .bDeviceClass = 0xEF, + .bDeviceClass = USB_CLASS_MISC /* 0xEF */, .bDeviceSubClass = 2, .bDeviceProtocol = 1, - /* .bMaxPacketSize0 = f(hardware) */ /* Vendor and product id can be overridden by module parameters. */ .idVendor = cpu_to_le16(MULTI_VENDOR_NUM), .idProduct = cpu_to_le16(MULTI_PRODUCT_NUM), - /* .bcdDevice = f(hardware) */ - /* .iManufacturer = DYNAMIC */ - /* .iProduct = DYNAMIC */ - /* NO SERIAL NUMBER */ - .bNumConfigurations = 1, }; -static struct usb_otg_descriptor otg_descriptor = { - .bLength = sizeof otg_descriptor, - .bDescriptorType = USB_DT_OTG, - - /* REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, -}; static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &otg_descriptor, + (struct usb_descriptor_header *) &(struct usb_otg_descriptor){ + .bLength = sizeof(struct usb_otg_descriptor), + .bDescriptorType = USB_DT_OTG, + + /* + * REVISIT SRP-only hardware is possible, although + * it would not be called "OTG" ... + */ + .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, + }, NULL, }; -/* string IDs are assigned dynamically */ - -#define STRING_MANUFACTURER_IDX 0 -#define STRING_PRODUCT_IDX 1 +enum { + MULTI_STRING_MANUFACTURER_IDX, + MULTI_STRING_PRODUCT_IDX, +#ifdef CONFIG_USB_G_MULTI_RNDIS + MULTI_STRING_RNDIS_CONFIG_IDX, +#endif +#ifdef CONFIG_USB_G_MULTI_CDC + MULTI_STRING_CDC_CONFIG_IDX, +#endif +}; static char manufacturer[50]; static struct usb_string strings_dev[] = { - [STRING_MANUFACTURER_IDX].s = manufacturer, - [STRING_PRODUCT_IDX].s = DRIVER_DESC, + [MULTI_STRING_MANUFACTURER_IDX].s = manufacturer, + [MULTI_STRING_PRODUCT_IDX].s = DRIVER_DESC, +#ifdef CONFIG_USB_G_MULTI_RNDIS + [MULTI_STRING_RNDIS_CONFIG_IDX].s = "Multifunction with RNDIS", +#endif +#ifdef CONFIG_USB_G_MULTI_CDC + [MULTI_STRING_CDC_CONFIG_IDX].s = "Multifunction with CDC ECM", +#endif { } /* end of list */ }; -static struct usb_gadget_strings stringtab_dev = { - .language = 0x0409, /* en-us */ - .strings = strings_dev, -}; - static struct usb_gadget_strings *dev_strings[] = { - &stringtab_dev, + &(struct usb_gadget_strings){ + .language = 0x0409, /* en-us */ + .strings = strings_dev, + }, NULL, }; -static u8 hostaddr[ETH_ALEN]; /****************************** Configurations ******************************/ -static struct fsg_module_parameters mod_data = { - .stall = 1 -}; -FSG_MODULE_PARAMETERS(/* no prefix */, mod_data); +static struct fsg_module_parameters fsg_mod_data = { .stall = 1 }; +FSG_MODULE_PARAMETERS(/* no prefix */, fsg_mod_data); + +static struct fsg_common fsg_common; + +static u8 hostaddr[ETH_ALEN]; -static struct fsg_common *fsg_common; +/********** RNDIS **********/ #ifdef USB_ETH_RNDIS -static int __init rndis_do_config(struct usb_configuration *c) +static __ref int rndis_do_config(struct usb_configuration *c) { int ret; @@ -172,26 +187,42 @@ static int __init rndis_do_config(struct usb_configuration *c) if (ret < 0) return ret; - ret = fsg_add(c->cdev, c, fsg_common); + ret = fsg_bind_config(c->cdev, c, &fsg_common); if (ret < 0) return ret; return 0; } -static struct usb_configuration rndis_config_driver = { - .label = "Multifunction Composite (RNDIS + MS + ACM)", - .bind = rndis_do_config, - .bConfigurationValue = 2, - /* .iConfiguration = DYNAMIC */ - .bmAttributes = USB_CONFIG_ATT_SELFPOWER, -}; +static int rndis_config_register(struct usb_composite_dev *cdev) +{ + static struct usb_configuration config = { + .bind = rndis_do_config, + .bConfigurationValue = MULTI_RNDIS_CONFIG_NUM, + .bmAttributes = USB_CONFIG_ATT_SELFPOWER, + }; + + config.label = strings_dev[MULTI_STRING_RNDIS_CONFIG_IDX].s; + config.iConfiguration = strings_dev[MULTI_STRING_RNDIS_CONFIG_IDX].id; + + return usb_add_config(cdev, &config); +} + +#else + +static int rndis_config_register(struct usb_composite_dev *cdev) +{ + return 0; +} #endif + +/********** CDC ECM **********/ + #ifdef CONFIG_USB_G_MULTI_CDC -static int __init cdc_do_config(struct usb_configuration *c) +static __ref int cdc_do_config(struct usb_configuration *c) { int ret; @@ -208,20 +239,33 @@ static int __init cdc_do_config(struct usb_configuration *c) if (ret < 0) return ret; - ret = fsg_add(c->cdev, c, fsg_common); + ret = fsg_bind_config(c->cdev, c, &fsg_common); if (ret < 0) return ret; return 0; } -static struct usb_configuration cdc_config_driver = { - .label = "Multifunction Composite (CDC + MS + ACM)", - .bind = cdc_do_config, - .bConfigurationValue = 1, - /* .iConfiguration = DYNAMIC */ - .bmAttributes = USB_CONFIG_ATT_SELFPOWER, -}; +static int cdc_config_register(struct usb_composite_dev *cdev) +{ + static struct usb_configuration config = { + .bind = cdc_do_config, + .bConfigurationValue = MULTI_CDC_CONFIG_NUM, + .bmAttributes = USB_CONFIG_ATT_SELFPOWER, + }; + + config.label = strings_dev[MULTI_STRING_CDC_CONFIG_IDX].s; + config.iConfiguration = strings_dev[MULTI_STRING_CDC_CONFIG_IDX].id; + + return usb_add_config(cdev, &config); +} + +#else + +static int cdc_config_register(struct usb_composite_dev *cdev) +{ + return 0; +} #endif @@ -230,7 +274,7 @@ static struct usb_configuration cdc_config_driver = { /****************************** Gadget Bind ******************************/ -static int __init multi_bind(struct usb_composite_dev *cdev) +static int __ref multi_bind(struct usb_composite_dev *cdev) { struct usb_gadget *gadget = cdev->gadget; int status, gcnum; @@ -252,67 +296,56 @@ static int __init multi_bind(struct usb_composite_dev *cdev) goto fail0; /* set up mass storage function */ - fsg_common = fsg_common_from_params(0, cdev, &mod_data); - if (IS_ERR(fsg_common)) { - status = PTR_ERR(fsg_common); - goto fail1; + { + void *retp; + retp = fsg_common_from_params(&fsg_common, cdev, &fsg_mod_data); + if (IS_ERR(retp)) { + status = PTR_ERR(retp); + goto fail1; + } } - + /* set bcdDevice */ gcnum = usb_gadget_controller_number(gadget); - if (gcnum >= 0) + if (gcnum >= 0) { device_desc.bcdDevice = cpu_to_le16(0x0300 | gcnum); - else { - /* We assume that can_support_ecm() tells the truth; - * but if the controller isn't recognized at all then - * that assumption is a bit more likely to be wrong. - */ - WARNING(cdev, "controller '%s' not recognized\n", - gadget->name); + } else { + WARNING(cdev, "controller '%s' not recognized\n", gadget->name); device_desc.bcdDevice = cpu_to_le16(0x0300 | 0x0099); } - - /* Allocate string descriptor numbers ... note that string - * contents can be overridden by the composite_dev glue. - */ - - /* device descriptor strings: manufacturer, product */ + /* allocate string descriptor numbers */ snprintf(manufacturer, sizeof manufacturer, "%s %s with %s", init_utsname()->sysname, init_utsname()->release, gadget->name); - status = usb_string_id(cdev); - if (status < 0) - goto fail2; - strings_dev[STRING_MANUFACTURER_IDX].id = status; - device_desc.iManufacturer = status; - status = usb_string_id(cdev); - if (status < 0) + status = usb_string_ids_tab(cdev, strings_dev); + if (unlikely(status < 0)) goto fail2; - strings_dev[STRING_PRODUCT_IDX].id = status; - device_desc.iProduct = status; -#ifdef USB_ETH_RNDIS - /* register our first configuration */ - status = usb_add_config(cdev, &rndis_config_driver); - if (status < 0) + device_desc.iManufacturer = + strings_dev[MULTI_STRING_MANUFACTURER_IDX].id; + device_desc.iProduct = + strings_dev[MULTI_STRING_PRODUCT_IDX].id; + + /* register configurations */ + status = rndis_config_register(cdev); + if (unlikely(status < 0)) goto fail2; -#endif -#ifdef CONFIG_USB_G_MULTI_CDC - /* register our second configuration */ - status = usb_add_config(cdev, &cdc_config_driver); - if (status < 0) + status = cdc_config_register(cdev); + if (unlikely(status < 0)) goto fail2; -#endif - dev_info(&gadget->dev, DRIVER_DESC ", version: " DRIVER_VERSION "\n"); - fsg_common_put(fsg_common); + /* we're done */ + dev_info(&gadget->dev, DRIVER_DESC "\n"); + fsg_common_put(&fsg_common); return 0; + + /* error recovery */ fail2: - fsg_common_put(fsg_common); + fsg_common_put(&fsg_common); fail1: gserial_cleanup(); fail0: @@ -339,18 +372,15 @@ static struct usb_composite_driver multi_driver = { .unbind = __exit_p(multi_unbind), }; -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_AUTHOR("Michal Nazarewicz"); -MODULE_LICENSE("GPL"); -static int __init g_multi_init(void) +static int __init multi_init(void) { return usb_composite_register(&multi_driver); } -module_init(g_multi_init); +module_init(multi_init); -static void __exit g_multi_cleanup(void) +static void __exit multi_exit(void) { usb_composite_unregister(&multi_driver); } -module_exit(g_multi_cleanup); +module_exit(multi_exit); diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c index 4c3ac5c..cf241c3 100644 --- a/drivers/usb/gadget/printer.c +++ b/drivers/usb/gadget/printer.c @@ -25,7 +25,7 @@ #include <linux/ioport.h> #include <linux/sched.h> #include <linux/slab.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <linux/errno.h> #include <linux/init.h> #include <linux/timer.h> @@ -70,6 +70,7 @@ #define DRIVER_DESC "Printer Gadget" #define DRIVER_VERSION "2007 OCT 06" +static DEFINE_MUTEX(printer_mutex); static const char shortname [] = "printer"; static const char driver_desc [] = DRIVER_DESC; @@ -476,7 +477,7 @@ printer_open(struct inode *inode, struct file *fd) unsigned long flags; int ret = -EBUSY; - lock_kernel(); + mutex_lock(&printer_mutex); dev = container_of(inode->i_cdev, struct printer_dev, printer_cdev); spin_lock_irqsave(&dev->lock, flags); @@ -492,7 +493,7 @@ printer_open(struct inode *inode, struct file *fd) spin_unlock_irqrestore(&dev->lock, flags); DBG(dev, "printer_open returned %x\n", ret); - unlock_kernel(); + mutex_unlock(&printer_mutex); return ret; } @@ -1346,7 +1347,7 @@ printer_unbind(struct usb_gadget *gadget) set_gadget_data(gadget, NULL); } -static int __init +static int __ref printer_bind(struct usb_gadget *gadget) { struct printer_dev *dev; diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c index 26193ec..521ebed 100644 --- a/drivers/usb/gadget/s3c-hsotg.c +++ b/drivers/usb/gadget/s3c-hsotg.c @@ -12,6 +12,8 @@ * published by the Free Software Foundation. */ +#define DEBUG + #include <linux/kernel.h> #include <linux/module.h> #include <linux/spinlock.h> @@ -23,6 +25,7 @@ #include <linux/delay.h> #include <linux/io.h> #include <linux/slab.h> +#include <linux/clk.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> @@ -33,6 +36,7 @@ #include <plat/regs-usb-hsotg.h> #include <mach/regs-sys.h> #include <plat/udc-hs.h> +#include <plat/cpu.h> #define DMA_ADDR_INVALID (~((dma_addr_t)0)) @@ -91,7 +95,9 @@ struct s3c_hsotg_req; * For periodic IN endpoints, we have fifo_size and fifo_load to try * and keep track of the amount of data in the periodic FIFO for each * of these as we don't have a status register that tells us how much - * is in each of them. + * is in each of them. (note, this may actually be useless information + * as in shared-fifo mode periodic in acts like a single-frame packet + * buffer than a fifo) */ struct s3c_hsotg_ep { struct usb_ep ep; @@ -128,6 +134,7 @@ struct s3c_hsotg_ep { * @regs: The memory area mapped for accessing registers. * @regs_res: The resource that was allocated when claiming register space. * @irq: The IRQ number we are using + * @dedicated_fifos: Set if the hardware has dedicated IN-EP fifos. * @debug_root: root directrory for debugfs. * @debug_file: main status file for debugfs. * @debug_fifo: FIFO status file for debugfs. @@ -145,6 +152,9 @@ struct s3c_hsotg { void __iomem *regs; struct resource *regs_res; int irq; + struct clk *clk; + + unsigned int dedicated_fifos:1; struct dentry *debug_root; struct dentry *debug_file; @@ -310,11 +320,11 @@ static void s3c_hsotg_init_fifo(struct s3c_hsotg *hsotg) hsotg->regs + S3C_GNPTXFSIZ); */ - /* set FIFO sizes to 2048/0x1C0 */ + /* set FIFO sizes to 2048/1024 */ writel(2048, hsotg->regs + S3C_GRXFSIZ); writel(S3C_GNPTXFSIZ_NPTxFStAddr(2048) | - S3C_GNPTXFSIZ_NPTxFDep(0x1C0), + S3C_GNPTXFSIZ_NPTxFDep(1024), hsotg->regs + S3C_GNPTXFSIZ); /* arange all the rest of the TX FIFOs, as some versions of this @@ -464,7 +474,7 @@ static int s3c_hsotg_write_fifo(struct s3c_hsotg *hsotg, if (to_write == 0) return 0; - if (periodic) { + if (periodic && !hsotg->dedicated_fifos) { u32 epsize = readl(hsotg->regs + S3C_DIEPTSIZ(hs_ep->index)); int size_left; int size_done; @@ -474,6 +484,14 @@ static int s3c_hsotg_write_fifo(struct s3c_hsotg *hsotg, size_left = S3C_DxEPTSIZ_XferSize_GET(epsize); + /* if shared fifo, we cannot write anything until the + * previous data has been completely sent. + */ + if (hs_ep->fifo_load != 0) { + s3c_hsotg_en_gsint(hsotg, S3C_GINTSTS_PTxFEmp); + return -ENOSPC; + } + dev_dbg(hsotg->dev, "%s: left=%d, load=%d, fifo=%d, size %d\n", __func__, size_left, hs_ep->size_loaded, hs_ep->fifo_load, hs_ep->fifo_size); @@ -494,6 +512,11 @@ static int s3c_hsotg_write_fifo(struct s3c_hsotg *hsotg, s3c_hsotg_en_gsint(hsotg, S3C_GINTSTS_PTxFEmp); return -ENOSPC; } + } else if (hsotg->dedicated_fifos && hs_ep->index != 0) { + can_write = readl(hsotg->regs + S3C_DTXFSTS(hs_ep->index)); + + can_write &= 0xffff; + can_write *= 4; } else { if (S3C_GNPTXSTS_NPTxQSpcAvail_GET(gnptxsts) == 0) { dev_dbg(hsotg->dev, @@ -505,6 +528,7 @@ static int s3c_hsotg_write_fifo(struct s3c_hsotg *hsotg, } can_write = S3C_GNPTXSTS_NPTxFSpcAvail_GET(gnptxsts); + can_write *= 4; /* fifo size is in 32bit quantities. */ } dev_dbg(hsotg->dev, "%s: GNPTXSTS=%08x, can=%d, to=%d, mps %d\n", @@ -517,6 +541,17 @@ static int s3c_hsotg_write_fifo(struct s3c_hsotg *hsotg, if (can_write > 512) can_write = 512; + /* limit the write to one max-packet size worth of data, but allow + * the transfer to return that it did not run out of fifo space + * doing it. */ + if (to_write > hs_ep->ep.maxpacket) { + to_write = hs_ep->ep.maxpacket; + + s3c_hsotg_en_gsint(hsotg, + periodic ? S3C_GINTSTS_PTxFEmp : + S3C_GINTSTS_NPTxFEmp); + } + /* see if we can write data */ if (to_write > can_write) { @@ -579,12 +614,10 @@ static unsigned get_ep_limit(struct s3c_hsotg_ep *hs_ep) maxsize = S3C_DxEPTSIZ_XferSize_LIMIT + 1; maxpkt = S3C_DxEPTSIZ_PktCnt_LIMIT + 1; } else { + maxsize = 64+64; if (hs_ep->dir_in) { - /* maxsize = S3C_DIEPTSIZ0_XferSize_LIMIT + 1; */ - maxsize = 64+64+1; maxpkt = S3C_DIEPTSIZ0_PktCnt_LIMIT + 1; } else { - maxsize = 0x3f; maxpkt = 2; } } @@ -1353,6 +1386,9 @@ static void s3c_hsotg_rx_data(struct s3c_hsotg *hsotg, int ep_idx, int size) read_ptr = hs_req->req.actual; max_req = hs_req->req.length - read_ptr; + dev_dbg(hsotg->dev, "%s: read %d/%d, done %d/%d\n", + __func__, to_read, max_req, read_ptr, hs_req->req.length); + if (to_read > max_req) { /* more data appeared than we where willing * to deal with in this request. @@ -1362,9 +1398,6 @@ static void s3c_hsotg_rx_data(struct s3c_hsotg *hsotg, int ep_idx, int size) WARN_ON_ONCE(1); } - dev_dbg(hsotg->dev, "%s: read %d/%d, done %d/%d\n", - __func__, to_read, max_req, read_ptr, hs_req->req.length); - hs_ep->total_data += to_read; hs_req->req.actual += to_read; to_read = DIV_ROUND_UP(to_read, 4); @@ -1433,9 +1466,11 @@ static void s3c_hsotg_send_zlp(struct s3c_hsotg *hsotg, static void s3c_hsotg_handle_outdone(struct s3c_hsotg *hsotg, int epnum, bool was_setup) { + u32 epsize = readl(hsotg->regs + S3C_DOEPTSIZ(epnum)); struct s3c_hsotg_ep *hs_ep = &hsotg->eps[epnum]; struct s3c_hsotg_req *hs_req = hs_ep->req; struct usb_request *req = &hs_req->req; + unsigned size_left = S3C_DxEPTSIZ_XferSize_GET(epsize); int result = 0; if (!hs_req) { @@ -1444,9 +1479,7 @@ static void s3c_hsotg_handle_outdone(struct s3c_hsotg *hsotg, } if (using_dma(hsotg)) { - u32 epsize = readl(hsotg->regs + S3C_DOEPTSIZ(epnum)); unsigned size_done; - unsigned size_left; /* Calculate the size of the transfer by checking how much * is left in the endpoint size register and then working it @@ -1456,14 +1489,18 @@ static void s3c_hsotg_handle_outdone(struct s3c_hsotg *hsotg, * so may overshoot/undershoot the transfer. */ - size_left = S3C_DxEPTSIZ_XferSize_GET(epsize); - size_done = hs_ep->size_loaded - size_left; size_done += hs_ep->last_load; req->actual = size_done; } + /* if there is more request to do, schedule new transfer */ + if (req->actual < req->length && size_left == 0) { + s3c_hsotg_start_req(hsotg, hs_ep, hs_req, true); + return; + } + if (req->actual < req->length && req->short_not_ok) { dev_dbg(hsotg->dev, "%s: got %d/%d (short not ok) => error\n", __func__, req->actual, req->length); @@ -1758,7 +1795,7 @@ static void s3c_hsotg_epint(struct s3c_hsotg *hsotg, unsigned int idx, if (dir_in) { s3c_hsotg_complete_in(hsotg, hs_ep); - if (idx == 0) + if (idx == 0 && !hs_ep->req) s3c_hsotg_enqueue_setup(hsotg); } else if (using_dma(hsotg)) { /* We're using DMA, we need to fire an OutDone here @@ -1818,6 +1855,15 @@ static void s3c_hsotg_epint(struct s3c_hsotg *hsotg, unsigned int idx, __func__, idx); clear |= S3C_DIEPMSK_INTknEPMisMsk; } + + /* FIFO has space or is empty (see GAHBCFG) */ + if (hsotg->dedicated_fifos && + ints & S3C_DIEPMSK_TxFIFOEmpty) { + dev_dbg(hsotg->dev, "%s: ep%d: TxFIFOEmpty\n", + __func__, idx); + s3c_hsotg_trytx(hsotg, hs_ep); + clear |= S3C_DIEPMSK_TxFIFOEmpty; + } } writel(clear, hsotg->regs + epint_reg); @@ -2071,17 +2117,12 @@ irq_retry: kill_all_requests(hsotg, &hsotg->eps[0], -ECONNRESET, true); /* it seems after a reset we can end up with a situation - * where the TXFIFO still has data in it... try flushing - * it to remove anything that may still be in it. + * where the TXFIFO still has data in it... the docs + * suggest resetting all the fifos, so use the init_fifo + * code to relayout and flush the fifos. */ - if (1) { - writel(S3C_GRSTCTL_TxFNum(0) | S3C_GRSTCTL_TxFFlsh, - hsotg->regs + S3C_GRSTCTL); - - dev_info(hsotg->dev, "GNPTXSTS=%08x\n", - readl(hsotg->regs + S3C_GNPTXSTS)); - } + s3c_hsotg_init_fifo(hsotg); s3c_hsotg_enqueue_setup(hsotg); @@ -2274,6 +2315,12 @@ static int s3c_hsotg_ep_enable(struct usb_ep *ep, break; } + /* if the hardware has dedicated fifos, we must give each IN EP + * a unique tx-fifo even if it is non-periodic. + */ + if (dir_in && hsotg->dedicated_fifos) + epctrl |= S3C_DxEPCTL_TxFNum(index); + /* for non control endpoints, set PID to D0 */ if (index) epctrl |= S3C_DxEPCTL_SetD0PID; @@ -2563,7 +2610,8 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver) writel(S3C_DIEPMSK_TimeOUTMsk | S3C_DIEPMSK_AHBErrMsk | S3C_DIEPMSK_INTknEPMisMsk | - S3C_DIEPMSK_EPDisbldMsk | S3C_DIEPMSK_XferComplMsk, + S3C_DIEPMSK_EPDisbldMsk | S3C_DIEPMSK_XferComplMsk | + ((hsotg->dedicated_fifos) ? S3C_DIEPMSK_TxFIFOEmpty : 0), hsotg->regs + S3C_DIEPMSK); /* don't need XferCompl, we get that from RXFIFO in slave mode. In @@ -2732,7 +2780,7 @@ static void __devinit s3c_hsotg_initep(struct s3c_hsotg *hsotg, */ ptxfifo = readl(hsotg->regs + S3C_DPTXFSIZn(epnum)); - hs_ep->fifo_size = S3C_DPTXFSIZn_DPTxFSize_GET(ptxfifo); + hs_ep->fifo_size = S3C_DPTXFSIZn_DPTxFSize_GET(ptxfifo) * 4; /* if we're using dma, we need to set the next-endpoint pointer * to be something valid. @@ -2753,13 +2801,33 @@ static void __devinit s3c_hsotg_initep(struct s3c_hsotg *hsotg, */ static void s3c_hsotg_otgreset(struct s3c_hsotg *hsotg) { - u32 osc; + struct clk *xusbxti; + u32 pwr, osc; - writel(0, S3C_PHYPWR); + pwr = readl(S3C_PHYPWR); + pwr &= ~0x19; + writel(pwr, S3C_PHYPWR); mdelay(1); osc = hsotg->plat->is_osc ? S3C_PHYCLK_EXT_OSC : 0; + xusbxti = clk_get(hsotg->dev, "xusbxti"); + if (xusbxti && !IS_ERR(xusbxti)) { + switch (clk_get_rate(xusbxti)) { + case 12*MHZ: + osc |= S3C_PHYCLK_CLKSEL_12M; + break; + case 24*MHZ: + osc |= S3C_PHYCLK_CLKSEL_24M; + break; + default: + case 48*MHZ: + /* default reference clock */ + break; + } + clk_put(xusbxti); + } + writel(osc | 0x10, S3C_PHYCLK); /* issue a full set of resets to the otg and core */ @@ -2772,6 +2840,8 @@ static void s3c_hsotg_otgreset(struct s3c_hsotg *hsotg) static void s3c_hsotg_init(struct s3c_hsotg *hsotg) { + u32 cfg4; + /* unmask subset of endpoint interrupts */ writel(S3C_DIEPMSK_TimeOUTMsk | S3C_DIEPMSK_AHBErrMsk | @@ -2807,6 +2877,14 @@ static void s3c_hsotg_init(struct s3c_hsotg *hsotg) writel(using_dma(hsotg) ? S3C_GAHBCFG_DMAEn : 0x0, hsotg->regs + S3C_GAHBCFG); + + /* check hardware configuration */ + + cfg4 = readl(hsotg->regs + 0x50); + hsotg->dedicated_fifos = (cfg4 >> 25) & 1; + + dev_info(hsotg->dev, "%s fifos\n", + hsotg->dedicated_fifos ? "dedicated" : "shared"); } static void s3c_hsotg_dump(struct s3c_hsotg *hsotg) @@ -3181,13 +3259,20 @@ static int __devinit s3c_hsotg_probe(struct platform_device *pdev) hsotg->dev = dev; hsotg->plat = plat; + hsotg->clk = clk_get(&pdev->dev, "otg"); + if (IS_ERR(hsotg->clk)) { + dev_err(dev, "cannot get otg clock\n"); + ret = -EINVAL; + goto err_mem; + } + platform_set_drvdata(pdev, hsotg); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { dev_err(dev, "cannot find register resource 0\n"); ret = -EINVAL; - goto err_mem; + goto err_clk; } hsotg->regs_res = request_mem_region(res->start, resource_size(res), @@ -3195,7 +3280,7 @@ static int __devinit s3c_hsotg_probe(struct platform_device *pdev) if (!hsotg->regs_res) { dev_err(dev, "cannot reserve registers\n"); ret = -ENOENT; - goto err_mem; + goto err_clk; } hsotg->regs = ioremap(res->start, resource_size(res)); @@ -3248,6 +3333,8 @@ static int __devinit s3c_hsotg_probe(struct platform_device *pdev) /* reset the system */ + clk_enable(hsotg->clk); + s3c_hsotg_gate(pdev, true); s3c_hsotg_otgreset(hsotg); @@ -3271,7 +3358,8 @@ err_regs: err_regs_res: release_resource(hsotg->regs_res); kfree(hsotg->regs_res); - +err_clk: + clk_put(hsotg->clk); err_mem: kfree(hsotg); return ret; @@ -3293,6 +3381,9 @@ static int __devexit s3c_hsotg_remove(struct platform_device *pdev) s3c_hsotg_gate(pdev, false); + clk_disable(hsotg->clk); + clk_put(hsotg->clk); + kfree(hsotg); return 0; } diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c index f46a609..b22eedb 100644 --- a/drivers/usb/gadget/serial.c +++ b/drivers/usb/gadget/serial.c @@ -137,7 +137,7 @@ MODULE_PARM_DESC(n_ports, "number of ports to create, default=1"); /*-------------------------------------------------------------------------*/ -static int __init serial_bind_config(struct usb_configuration *c) +static int __ref serial_bind_config(struct usb_configuration *c) { unsigned i; int status = 0; @@ -161,7 +161,7 @@ static struct usb_configuration serial_config_driver = { .bmAttributes = USB_CONFIG_ATT_SELFPOWER, }; -static int __init gs_bind(struct usb_composite_dev *cdev) +static int __ref gs_bind(struct usb_composite_dev *cdev) { int gcnum; struct usb_gadget *gadget = cdev->gadget; diff --git a/drivers/usb/gadget/storage_common.c b/drivers/usb/gadget/storage_common.c index 04c462f..484acfb 100644 --- a/drivers/usb/gadget/storage_common.c +++ b/drivers/usb/gadget/storage_common.c @@ -57,10 +57,12 @@ #include <asm/unaligned.h> -/* Thanks to NetChip Technologies for donating this product ID. +/* + * Thanks to NetChip Technologies for donating this product ID. * * DO NOT REUSE THESE IDs with any other driver!! Ever!! - * Instead: allocate your own, using normal USB-IF procedures. */ + * Instead: allocate your own, using normal USB-IF procedures. + */ #define FSG_VENDOR_ID 0x0525 /* NetChip */ #define FSG_PRODUCT_ID 0xa4a5 /* Linux-USB File-backed Storage Gadget */ @@ -84,14 +86,27 @@ #define LWARN(lun, fmt, args...) dev_warn(&(lun)->dev, fmt, ## args) #define LINFO(lun, fmt, args...) dev_info(&(lun)->dev, fmt, ## args) -/* Keep those macros in sync with thos in - * include/linux/ubs/composite.h or else GCC will complain. If they +/* + * Keep those macros in sync with those in + * include/linux/usb/composite.h or else GCC will complain. If they * are identical (the same names of arguments, white spaces in the * same places) GCC will allow redefinition otherwise (even if some - * white space is removed or added) warning will be issued. No - * checking if those symbols is defined is performed because warning - * is desired when those macros were defined by someone else to mean - * something else. */ + * white space is removed or added) warning will be issued. + * + * Those macros are needed here because File Storage Gadget does not + * include the composite.h header. For composite gadgets those macros + * are redundant since composite.h is included any way. + * + * One could check whether those macros are already defined (which + * would indicate composite.h had been included) or not (which would + * indicate we were in FSG) but this is not done because a warning is + * desired if definitions here differ from the ones in composite.h. + * + * We want the definitions to match and be the same in File Storage + * Gadget as well as Mass Storage Function (and so composite gadgets + * using MSF). If someone changes them in composite.h it will produce + * a warning in this file when building MSF. + */ #define DBG(d, fmt, args...) dev_dbg(&(d)->gadget->dev , fmt , ## args) #define VDBG(d, fmt, args...) dev_vdbg(&(d)->gadget->dev , fmt , ## args) #define ERROR(d, fmt, args...) dev_err(&(d)->gadget->dev , fmt , ## args) @@ -269,6 +284,7 @@ struct fsg_lun { unsigned int prevent_medium_removal:1; unsigned int registered:1; unsigned int info_valid:1; + unsigned int nofua:1; u32 sense_data; u32 sense_data_info; @@ -313,9 +329,11 @@ struct fsg_buffhd { enum fsg_buffer_state state; struct fsg_buffhd *next; - /* The NetChip 2280 is faster, and handles some protocol faults + /* + * The NetChip 2280 is faster, and handles some protocol faults * better, if we don't submit any short bulk-out read requests. - * So we will record the intended request length here. */ + * So we will record the intended request length here. + */ unsigned int bulk_out_intended_length; struct usb_request *inreq; @@ -395,8 +413,10 @@ fsg_intf_desc = { .iInterface = FSG_STRING_INTERFACE, }; -/* Three full-speed endpoint descriptors: bulk-in, bulk-out, - * and interrupt-in. */ +/* + * Three full-speed endpoint descriptors: bulk-in, bulk-out, and + * interrupt-in. + */ static struct usb_endpoint_descriptor fsg_fs_bulk_in_desc = { @@ -459,7 +479,7 @@ static struct usb_descriptor_header *fsg_fs_function[] = { * * That means alternate endpoint descriptors (bigger packets) * and a "device qualifier" ... plus more construction options - * for the config descriptor. + * for the configuration descriptor. */ static struct usb_endpoint_descriptor fsg_hs_bulk_in_desc = { @@ -547,8 +567,10 @@ static struct usb_gadget_strings fsg_stringtab = { /*-------------------------------------------------------------------------*/ -/* If the next two routines are called while the gadget is registered, - * the caller must own fsg->filesem for writing. */ +/* + * If the next two routines are called while the gadget is registered, + * the caller must own fsg->filesem for writing. + */ static int fsg_lun_open(struct fsg_lun *curlun, const char *filename) { @@ -587,8 +609,10 @@ static int fsg_lun_open(struct fsg_lun *curlun, const char *filename) goto out; } - /* If we can't read the file, it's no good. - * If we can't write the file, use it read-only. */ + /* + * If we can't read the file, it's no good. + * If we can't write the file, use it read-only. + */ if (!filp->f_op || !(filp->f_op->read || filp->f_op->aio_read)) { LINFO(curlun, "file not readable: %s\n", filename); goto out; @@ -646,8 +670,10 @@ static void fsg_lun_close(struct fsg_lun *curlun) /*-------------------------------------------------------------------------*/ -/* Sync the file data, don't bother with the metadata. - * This code was copied from fs/buffer.c:sys_fdatasync(). */ +/* + * Sync the file data, don't bother with the metadata. + * This code was copied from fs/buffer.c:sys_fdatasync(). + */ static int fsg_lun_fsync_sub(struct fsg_lun *curlun) { struct file *filp = curlun->filp; @@ -689,6 +715,14 @@ static ssize_t fsg_show_ro(struct device *dev, struct device_attribute *attr, : curlun->initially_ro); } +static ssize_t fsg_show_nofua(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct fsg_lun *curlun = fsg_lun_from_dev(dev); + + return sprintf(buf, "%u\n", curlun->nofua); +} + static ssize_t fsg_show_file(struct device *dev, struct device_attribute *attr, char *buf) { @@ -723,26 +757,47 @@ static ssize_t fsg_store_ro(struct device *dev, struct device_attribute *attr, ssize_t rc = count; struct fsg_lun *curlun = fsg_lun_from_dev(dev); struct rw_semaphore *filesem = dev_get_drvdata(dev); - int i; + unsigned long ro; - if (sscanf(buf, "%d", &i) != 1) + if (strict_strtoul(buf, 2, &ro)) return -EINVAL; - /* Allow the write-enable status to change only while the backing file - * is closed. */ + /* + * Allow the write-enable status to change only while the + * backing file is closed. + */ down_read(filesem); if (fsg_lun_is_open(curlun)) { LDBG(curlun, "read-only status change prevented\n"); rc = -EBUSY; } else { - curlun->ro = !!i; - curlun->initially_ro = !!i; + curlun->ro = ro; + curlun->initially_ro = ro; LDBG(curlun, "read-only status set to %d\n", curlun->ro); } up_read(filesem); return rc; } +static ssize_t fsg_store_nofua(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct fsg_lun *curlun = fsg_lun_from_dev(dev); + unsigned long nofua; + + if (strict_strtoul(buf, 2, &nofua)) + return -EINVAL; + + /* Sync data when switching from async mode to sync */ + if (!nofua && curlun->nofua) + fsg_lun_fsync_sub(curlun); + + curlun->nofua = nofua; + + return count; +} + static ssize_t fsg_store_file(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c index 1da755a..6bb876d 100644 --- a/drivers/usb/gadget/u_ether.c +++ b/drivers/usb/gadget/u_ether.c @@ -704,17 +704,6 @@ static char *host_addr; module_param(host_addr, charp, S_IRUGO); MODULE_PARM_DESC(host_addr, "Host Ethernet Address"); - -static u8 __init nibble(unsigned char c) -{ - if (isdigit(c)) - return c - '0'; - c = toupper(c); - if (isxdigit(c)) - return 10 + c - 'A'; - return 0; -} - static int get_ether_addr(const char *str, u8 *dev_addr) { if (str) { @@ -725,8 +714,8 @@ static int get_ether_addr(const char *str, u8 *dev_addr) if ((*str == '.') || (*str == ':')) str++; - num = nibble(*str++) << 4; - num |= (nibble(*str++)); + num = hex_to_bin(*str++) << 4; + num |= hex_to_bin(*str++); dev_addr [i] = num; } if (is_valid_ether_addr(dev_addr)) diff --git a/drivers/usb/gadget/u_serial.c b/drivers/usb/gadget/u_serial.c index 3e8dcb5..01e5354 100644 --- a/drivers/usb/gadget/u_serial.c +++ b/drivers/usb/gadget/u_serial.c @@ -18,6 +18,7 @@ /* #define VERBOSE_DEBUG */ #include <linux/kernel.h> +#include <linux/sched.h> #include <linux/interrupt.h> #include <linux/device.h> #include <linux/delay.h> diff --git a/drivers/usb/gadget/webcam.c b/drivers/usb/gadget/webcam.c index 288d211..de1deb7 100644 --- a/drivers/usb/gadget/webcam.c +++ b/drivers/usb/gadget/webcam.c @@ -308,7 +308,7 @@ static const struct uvc_descriptor_header * const uvc_hs_streaming_cls[] = { * USB configuration */ -static int __init +static int __ref webcam_config_bind(struct usb_configuration *c) { return uvc_bind_config(c, uvc_control_cls, uvc_fs_streaming_cls, @@ -330,7 +330,7 @@ webcam_unbind(struct usb_composite_dev *cdev) return 0; } -static int __init +static int __ref webcam_bind(struct usb_composite_dev *cdev) { int ret; diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c index 807280d..cf35392 100644 --- a/drivers/usb/gadget/zero.c +++ b/drivers/usb/gadget/zero.c @@ -264,7 +264,7 @@ static void zero_resume(struct usb_composite_dev *cdev) /*-------------------------------------------------------------------------*/ -static int __init zero_bind(struct usb_composite_dev *cdev) +static int __ref zero_bind(struct usb_composite_dev *cdev) { int gcnum; struct usb_gadget *gadget = cdev->gadget; diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index f865be2..2d926ce 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -72,8 +72,9 @@ config USB_EHCI_ROOT_HUB_TT from ARC, and has since changed hands a few times. config USB_EHCI_TT_NEWSCHED - bool "Improved Transaction Translator scheduling (EXPERIMENTAL)" - depends on USB_EHCI_HCD && EXPERIMENTAL + bool "Improved Transaction Translator scheduling" + depends on USB_EHCI_HCD + default y ---help--- This changes the periodic scheduling code to fill more of the low and full speed bandwidth available from the Transaction Translator @@ -84,9 +85,11 @@ config USB_EHCI_TT_NEWSCHED If you have multiple periodic low/fullspeed devices connected to a highspeed USB hub which is connected to a highspeed USB Host Controller, and some of those devices will not work correctly - (possibly due to "ENOSPC" or "-28" errors), say Y. + (possibly due to "ENOSPC" or "-28" errors), say Y. Conversely, if + you have only one such device and it doesn't work, you could try + saying N. - If unsure, say N. + If unsure, say Y. config USB_EHCI_BIG_ENDIAN_MMIO bool diff --git a/drivers/usb/host/ehci-au1xxx.c b/drivers/usb/host/ehci-au1xxx.c index faa6174..2baf8a8 100644 --- a/drivers/usb/host/ehci-au1xxx.c +++ b/drivers/usb/host/ehci-au1xxx.c @@ -228,7 +228,7 @@ static int ehci_hcd_au1xxx_drv_suspend(struct device *dev) * the root hub is either suspended or stopped. */ spin_lock_irqsave(&ehci->lock, flags); - ehci_prepare_ports_for_controller_suspend(ehci); + ehci_prepare_ports_for_controller_suspend(ehci, device_may_wakeup(dev)); ehci_writel(ehci, 0, &ehci->regs->intr_enable); (void)ehci_readl(ehci, &ehci->regs->intr_enable); diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c index 874d200..76b7fd2 100644 --- a/drivers/usb/host/ehci-dbg.c +++ b/drivers/usb/host/ehci-dbg.c @@ -98,13 +98,18 @@ static void dbg_hcc_params (struct ehci_hcd *ehci, char *label) HCC_64BIT_ADDR(params) ? " 64 bit addr" : ""); } else { ehci_dbg (ehci, - "%s hcc_params %04x thresh %d uframes %s%s%s\n", + "%s hcc_params %04x thresh %d uframes %s%s%s%s%s%s%s\n", label, params, HCC_ISOC_THRES(params), HCC_PGM_FRAMELISTLEN(params) ? "256/512/1024" : "1024", HCC_CANPARK(params) ? " park" : "", - HCC_64BIT_ADDR(params) ? " 64 bit addr" : ""); + HCC_64BIT_ADDR(params) ? " 64 bit addr" : "", + HCC_LPM(params) ? " LPM" : "", + HCC_PER_PORT_CHANGE_EVENT(params) ? " ppce" : "", + HCC_HW_PREFETCH(params) ? " hw prefetch" : "", + HCC_32FRAME_PERIODIC_LIST(params) ? + " 32 peridic list" : ""); } } #else @@ -191,8 +196,9 @@ static int __maybe_unused dbg_status_buf (char *buf, unsigned len, const char *label, u32 status) { return scnprintf (buf, len, - "%s%sstatus %04x%s%s%s%s%s%s%s%s%s%s", + "%s%sstatus %04x%s%s%s%s%s%s%s%s%s%s%s", label, label [0] ? " " : "", status, + (status & STS_PPCE_MASK) ? " PPCE" : "", (status & STS_ASS) ? " Async" : "", (status & STS_PSS) ? " Periodic" : "", (status & STS_RECL) ? " Recl" : "", @@ -210,8 +216,9 @@ static int __maybe_unused dbg_intr_buf (char *buf, unsigned len, const char *label, u32 enable) { return scnprintf (buf, len, - "%s%sintrenable %02x%s%s%s%s%s%s", + "%s%sintrenable %02x%s%s%s%s%s%s%s", label, label [0] ? " " : "", enable, + (enable & STS_PPCE_MASK) ? " PPCE" : "", (enable & STS_IAA) ? " IAA" : "", (enable & STS_FATAL) ? " FATAL" : "", (enable & STS_FLR) ? " FLR" : "", @@ -228,9 +235,15 @@ static int dbg_command_buf (char *buf, unsigned len, const char *label, u32 command) { return scnprintf (buf, len, - "%s%scommand %06x %s=%d ithresh=%d%s%s%s%s period=%s%s %s", + "%s%scommand %07x %s%s%s%s%s%s=%d ithresh=%d%s%s%s%s " + "period=%s%s %s", label, label [0] ? " " : "", command, - (command & CMD_PARK) ? "park" : "(park)", + (command & CMD_HIRD) ? " HIRD" : "", + (command & CMD_PPCEE) ? " PPCEE" : "", + (command & CMD_FSP) ? " FSP" : "", + (command & CMD_ASPE) ? " ASPE" : "", + (command & CMD_PSPE) ? " PSPE" : "", + (command & CMD_PARK) ? " park" : "(park)", CMD_PARK_CNT (command), (command >> 16) & 0x3f, (command & CMD_LRESET) ? " LReset" : "", @@ -257,11 +270,22 @@ dbg_port_buf (char *buf, unsigned len, const char *label, int port, u32 status) } return scnprintf (buf, len, - "%s%sport %d status %06x%s%s sig=%s%s%s%s%s%s%s%s%s%s", + "%s%sport:%d status %06x %d %s%s%s%s%s%s " + "sig=%s%s%s%s%s%s%s%s%s%s%s", label, label [0] ? " " : "", port, status, + status>>25,/*device address */ + (status & PORT_SSTS)>>23 == PORTSC_SUSPEND_STS_ACK ? + " ACK" : "", + (status & PORT_SSTS)>>23 == PORTSC_SUSPEND_STS_NYET ? + " NYET" : "", + (status & PORT_SSTS)>>23 == PORTSC_SUSPEND_STS_STALL ? + " STALL" : "", + (status & PORT_SSTS)>>23 == PORTSC_SUSPEND_STS_ERR ? + " ERR" : "", (status & PORT_POWER) ? " POWER" : "", (status & PORT_OWNER) ? " OWNER" : "", sig, + (status & PORT_LPM) ? " LPM" : "", (status & PORT_RESET) ? " RESET" : "", (status & PORT_SUSPEND) ? " SUSPEND" : "", (status & PORT_RESUME) ? " RESUME" : "", @@ -330,6 +354,13 @@ static int debug_async_open(struct inode *, struct file *); static int debug_periodic_open(struct inode *, struct file *); static int debug_registers_open(struct inode *, struct file *); static int debug_async_open(struct inode *, struct file *); +static int debug_lpm_open(struct inode *, struct file *); +static ssize_t debug_lpm_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos); +static ssize_t debug_lpm_write(struct file *file, const char __user *buffer, + size_t count, loff_t *ppos); +static int debug_lpm_close(struct inode *inode, struct file *file); + static ssize_t debug_output(struct file*, char __user*, size_t, loff_t*); static int debug_close(struct inode *, struct file *); @@ -351,6 +382,13 @@ static const struct file_operations debug_registers_fops = { .read = debug_output, .release = debug_close, }; +static const struct file_operations debug_lpm_fops = { + .owner = THIS_MODULE, + .open = debug_lpm_open, + .read = debug_lpm_read, + .write = debug_lpm_write, + .release = debug_lpm_close, +}; static struct dentry *ehci_debug_root; @@ -674,7 +712,7 @@ static ssize_t fill_registers_buffer(struct debug_buffer *buf) spin_lock_irqsave (&ehci->lock, flags); - if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) { + if (!HCD_HW_ACCESSIBLE(hcd)) { size = scnprintf (next, size, "bus %s, device %s\n" "%s\n" @@ -917,51 +955,127 @@ static int debug_registers_open(struct inode *inode, struct file *file) return file->private_data ? 0 : -ENOMEM; } +static int debug_lpm_open(struct inode *inode, struct file *file) +{ + file->private_data = inode->i_private; + return 0; +} + +static int debug_lpm_close(struct inode *inode, struct file *file) +{ + return 0; +} + +static ssize_t debug_lpm_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + /* TODO: show lpm stats */ + return 0; +} + +static ssize_t debug_lpm_write(struct file *file, const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct usb_hcd *hcd; + struct ehci_hcd *ehci; + char buf[50]; + size_t len; + u32 temp; + unsigned long port; + u32 __iomem *portsc ; + u32 params; + + hcd = bus_to_hcd(file->private_data); + ehci = hcd_to_ehci(hcd); + + len = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, len)) + return -EFAULT; + buf[len] = '\0'; + if (len > 0 && buf[len - 1] == '\n') + buf[len - 1] = '\0'; + + if (strncmp(buf, "enable", 5) == 0) { + if (strict_strtoul(buf + 7, 10, &port)) + return -EINVAL; + params = ehci_readl(ehci, &ehci->caps->hcs_params); + if (port > HCS_N_PORTS(params)) { + ehci_dbg(ehci, "ERR: LPM on bad port %lu\n", port); + return -ENODEV; + } + portsc = &ehci->regs->port_status[port-1]; + temp = ehci_readl(ehci, portsc); + if (!(temp & PORT_DEV_ADDR)) { + ehci_dbg(ehci, "LPM: no device attached\n"); + return -ENODEV; + } + temp |= PORT_LPM; + ehci_writel(ehci, temp, portsc); + printk(KERN_INFO "force enable LPM for port %lu\n", port); + } else if (strncmp(buf, "hird=", 5) == 0) { + unsigned long hird; + if (strict_strtoul(buf + 5, 16, &hird)) + return -EINVAL; + printk(KERN_INFO "setting hird %s %lu\n", buf + 6, hird); + temp = ehci_readl(ehci, &ehci->regs->command); + temp &= ~CMD_HIRD; + temp |= hird << 24; + ehci_writel(ehci, temp, &ehci->regs->command); + } else if (strncmp(buf, "disable", 7) == 0) { + if (strict_strtoul(buf + 8, 10, &port)) + return -EINVAL; + params = ehci_readl(ehci, &ehci->caps->hcs_params); + if (port > HCS_N_PORTS(params)) { + ehci_dbg(ehci, "ERR: LPM off bad port %lu\n", port); + return -ENODEV; + } + portsc = &ehci->regs->port_status[port-1]; + temp = ehci_readl(ehci, portsc); + if (!(temp & PORT_DEV_ADDR)) { + ehci_dbg(ehci, "ERR: no device attached\n"); + return -ENODEV; + } + temp &= ~PORT_LPM; + ehci_writel(ehci, temp, portsc); + printk(KERN_INFO "disabled LPM for port %lu\n", port); + } else + return -EOPNOTSUPP; + return count; +} + static inline void create_debug_files (struct ehci_hcd *ehci) { struct usb_bus *bus = &ehci_to_hcd(ehci)->self; ehci->debug_dir = debugfs_create_dir(bus->bus_name, ehci_debug_root); if (!ehci->debug_dir) - goto dir_error; - - ehci->debug_async = debugfs_create_file("async", S_IRUGO, - ehci->debug_dir, bus, - &debug_async_fops); - if (!ehci->debug_async) - goto async_error; - - ehci->debug_periodic = debugfs_create_file("periodic", S_IRUGO, - ehci->debug_dir, bus, - &debug_periodic_fops); - if (!ehci->debug_periodic) - goto periodic_error; - - ehci->debug_registers = debugfs_create_file("registers", S_IRUGO, - ehci->debug_dir, bus, - &debug_registers_fops); - if (!ehci->debug_registers) - goto registers_error; + return; + + if (!debugfs_create_file("async", S_IRUGO, ehci->debug_dir, bus, + &debug_async_fops)) + goto file_error; + + if (!debugfs_create_file("periodic", S_IRUGO, ehci->debug_dir, bus, + &debug_periodic_fops)) + goto file_error; + + if (!debugfs_create_file("registers", S_IRUGO, ehci->debug_dir, bus, + &debug_registers_fops)) + goto file_error; + + if (!debugfs_create_file("lpm", S_IRUGO|S_IWUGO, ehci->debug_dir, bus, + &debug_lpm_fops)) + goto file_error; + return; -registers_error: - debugfs_remove(ehci->debug_periodic); -periodic_error: - debugfs_remove(ehci->debug_async); -async_error: - debugfs_remove(ehci->debug_dir); -dir_error: - ehci->debug_periodic = NULL; - ehci->debug_async = NULL; - ehci->debug_dir = NULL; +file_error: + debugfs_remove_recursive(ehci->debug_dir); } static inline void remove_debug_files (struct ehci_hcd *ehci) { - debugfs_remove(ehci->debug_registers); - debugfs_remove(ehci->debug_periodic); - debugfs_remove(ehci->debug_async); - debugfs_remove(ehci->debug_dir); + debugfs_remove_recursive(ehci->debug_dir); } #endif /* STUB_DEBUG_FILES */ diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index 5cd967d..a416421 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -313,7 +313,8 @@ static int ehci_fsl_drv_suspend(struct device *dev) struct ehci_fsl *ehci_fsl = hcd_to_ehci_fsl(hcd); void __iomem *non_ehci = hcd->regs; - ehci_prepare_ports_for_controller_suspend(hcd_to_ehci(hcd)); + ehci_prepare_ports_for_controller_suspend(hcd_to_ehci(hcd), + device_may_wakeup(dev)); if (!fsl_deep_sleep()) return 0; diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 6fcffe1..ac0f7a4 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -36,6 +36,7 @@ #include <linux/dma-mapping.h> #include <linux/debugfs.h> #include <linux/slab.h> +#include <linux/uaccess.h> #include <asm/byteorder.h> #include <asm/io.h> @@ -78,7 +79,13 @@ static const char hcd_name [] = "ehci_hcd"; #define EHCI_TUNE_RL_TT 0 #define EHCI_TUNE_MULT_HS 1 /* 1-3 transactions/uframe; 4.10.3 */ #define EHCI_TUNE_MULT_TT 1 -#define EHCI_TUNE_FLS 2 /* (small) 256 frame schedule */ +/* + * Some drivers think it's safe to schedule isochronous transfers more than + * 256 ms into the future (partly as a result of an old bug in the scheduling + * code). In an attempt to avoid trouble, we will use a minimum scheduling + * length of 512 frames instead of 256. + */ +#define EHCI_TUNE_FLS 1 /* (medium) 512-frame schedule */ #define EHCI_IAA_MSECS 10 /* arbitrary */ #define EHCI_IO_JIFFIES (HZ/10) /* io watchdog > irq_thresh */ @@ -100,6 +107,11 @@ static int ignore_oc = 0; module_param (ignore_oc, bool, S_IRUGO); MODULE_PARM_DESC (ignore_oc, "ignore bogus hardware overcurrent indications"); +/* for link power management(LPM) feature */ +static unsigned int hird; +module_param(hird, int, S_IRUGO); +MODULE_PARM_DESC(hird, "host initiated resume duration, +1 for each 75us\n"); + #define INTR_MASK (STS_IAA | STS_FATAL | STS_PCD | STS_ERR | STS_INT) /*-------------------------------------------------------------------------*/ @@ -304,6 +316,7 @@ static void end_unlink_async(struct ehci_hcd *ehci); static void ehci_work(struct ehci_hcd *ehci); #include "ehci-hub.c" +#include "ehci-lpm.c" #include "ehci-mem.c" #include "ehci-q.c" #include "ehci-sched.c" @@ -577,6 +590,11 @@ static int ehci_init(struct usb_hcd *hcd) if (log2_irq_thresh < 0 || log2_irq_thresh > 6) log2_irq_thresh = 0; temp = 1 << (16 + log2_irq_thresh); + if (HCC_PER_PORT_CHANGE_EVENT(hcc_params)) { + ehci->has_ppcd = 1; + ehci_dbg(ehci, "enable per-port change event\n"); + temp |= CMD_PPCEE; + } if (HCC_CANPARK(hcc_params)) { /* HW default park == 3, on hardware that supports it (like * NVidia and ALI silicon), maximizes throughput on the async @@ -603,10 +621,22 @@ static int ehci_init(struct usb_hcd *hcd) default: BUG(); } } + if (HCC_LPM(hcc_params)) { + /* support link power management EHCI 1.1 addendum */ + ehci_dbg(ehci, "support lpm\n"); + ehci->has_lpm = 1; + if (hird > 0xf) { + ehci_dbg(ehci, "hird %d invalid, use default 0", + hird); + hird = 0; + } + temp |= hird << 24; + } ehci->command = temp; /* Accept arbitrarily long scatter-gather lists */ - hcd->self.sg_tablesize = ~0; + if (!(hcd->driver->flags & HCD_LOCAL_MEM)) + hcd->self.sg_tablesize = ~0; return 0; } @@ -619,7 +649,6 @@ static int ehci_run (struct usb_hcd *hcd) u32 hcc_params; hcd->uses_new_polling = 1; - hcd->poll_rh = 0; /* EHCI spec section 4.1 */ if ((retval = ehci_reset(ehci)) != 0) { @@ -764,6 +793,7 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd) /* remote wakeup [4.3.1] */ if (status & STS_PCD) { unsigned i = HCS_N_PORTS (ehci->hcs_params); + u32 ppcd = 0; /* kick root hub later */ pcd_status = status; @@ -772,9 +802,18 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd) if (!(cmd & CMD_RUN)) usb_hcd_resume_root_hub(hcd); + /* get per-port change detect bits */ + if (ehci->has_ppcd) + ppcd = status >> 16; + while (i--) { - int pstatus = ehci_readl(ehci, - &ehci->regs->port_status [i]); + int pstatus; + + /* leverage per-port change bits feature */ + if (ehci->has_ppcd && !(ppcd & (1 << i))) + continue; + pstatus = ehci_readl(ehci, + &ehci->regs->port_status[i]); if (pstatus & PORT_OWNER) continue; diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index e7d3d8d..796ea0c 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -107,7 +107,7 @@ static void ehci_handover_companion_ports(struct ehci_hcd *ehci) } static void ehci_adjust_port_wakeup_flags(struct ehci_hcd *ehci, - bool suspending) + bool suspending, bool do_wakeup) { int port; u32 temp; @@ -117,8 +117,7 @@ static void ehci_adjust_port_wakeup_flags(struct ehci_hcd *ehci, * when the controller is suspended or resumed. In all other * cases they don't need to be changed. */ - if (!ehci_to_hcd(ehci)->self.root_hub->do_remote_wakeup || - device_may_wakeup(ehci_to_hcd(ehci)->self.controller)) + if (!ehci_to_hcd(ehci)->self.root_hub->do_remote_wakeup || do_wakeup) return; /* clear phy low-power mode before changing wakeup flags */ @@ -167,6 +166,10 @@ static void ehci_adjust_port_wakeup_flags(struct ehci_hcd *ehci, ehci_writel(ehci, temp | HOSTPC_PHCD, hostpc_reg); } } + + /* Does the root hub have a port wakeup pending? */ + if (!suspending && (ehci_readl(ehci, &ehci->regs->status) & STS_PCD)) + usb_hcd_resume_root_hub(ehci_to_hcd(ehci)); } static int ehci_bus_suspend (struct usb_hcd *hcd) @@ -316,7 +319,7 @@ static int ehci_bus_resume (struct usb_hcd *hcd) if (time_before (jiffies, ehci->next_statechange)) msleep(5); spin_lock_irq (&ehci->lock); - if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) { + if (!HCD_HW_ACCESSIBLE(hcd)) { spin_unlock_irq(&ehci->lock); return -ESHUTDOWN; } @@ -603,6 +606,7 @@ ehci_hub_status_data (struct usb_hcd *hcd, char *buf) u32 mask; int ports, i, retval = 1; unsigned long flags; + u32 ppcd = 0; /* if !USB_SUSPEND, root hub timers won't get shut down ... */ if (!HC_IS_RUNNING(hcd->state)) @@ -632,7 +636,15 @@ ehci_hub_status_data (struct usb_hcd *hcd, char *buf) /* port N changes (bit N)? */ spin_lock_irqsave (&ehci->lock, flags); + + /* get per-port change detect bits */ + if (ehci->has_ppcd) + ppcd = ehci_readl(ehci, &ehci->regs->status) >> 16; + for (i = 0; i < ports; i++) { + /* leverage per-port change bits feature */ + if (ehci->has_ppcd && !(ppcd & (1 << i))) + continue; temp = ehci_readl(ehci, &ehci->regs->port_status [i]); /* @@ -790,6 +802,11 @@ static int ehci_hub_control ( status_reg); break; case USB_PORT_FEAT_C_CONNECTION: + if (ehci->has_lpm) { + /* clear PORTSC bits on disconnect */ + temp &= ~PORT_LPM; + temp &= ~PORT_DEV_ADDR; + } ehci_writel(ehci, (temp & ~PORT_RWC_BITS) | PORT_CSC, status_reg); break; diff --git a/drivers/usb/host/ehci-lpm.c b/drivers/usb/host/ehci-lpm.c new file mode 100644 index 0000000..b4d4d63 --- /dev/null +++ b/drivers/usb/host/ehci-lpm.c @@ -0,0 +1,83 @@ +/* ehci-lpm.c EHCI HCD LPM support code + * Copyright (c) 2008 - 2010, Intel Corporation. + * Author: Jacob Pan <jacob.jun.pan@intel.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +/* this file is part of ehci-hcd.c */ +static int ehci_lpm_set_da(struct ehci_hcd *ehci, int dev_addr, int port_num) +{ + u32 __iomem portsc; + + ehci_dbg(ehci, "set dev address %d for port %d\n", dev_addr, port_num); + if (port_num > HCS_N_PORTS(ehci->hcs_params)) { + ehci_dbg(ehci, "invalid port number %d\n", port_num); + return -ENODEV; + } + portsc = ehci_readl(ehci, &ehci->regs->port_status[port_num-1]); + portsc &= ~PORT_DEV_ADDR; + portsc |= dev_addr<<25; + ehci_writel(ehci, portsc, &ehci->regs->port_status[port_num-1]); + return 0; +} + +/* + * this function is used to check if the device support LPM + * if yes, mark the PORTSC register with PORT_LPM bit + */ +static int ehci_lpm_check(struct ehci_hcd *ehci, int port) +{ + u32 __iomem *portsc ; + u32 val32; + int retval; + + portsc = &ehci->regs->port_status[port-1]; + val32 = ehci_readl(ehci, portsc); + if (!(val32 & PORT_DEV_ADDR)) { + ehci_dbg(ehci, "LPM: no device attached\n"); + return -ENODEV; + } + val32 |= PORT_LPM; + ehci_writel(ehci, val32, portsc); + msleep(5); + val32 |= PORT_SUSPEND; + ehci_dbg(ehci, "Sending LPM 0x%08x to port %d\n", val32, port); + ehci_writel(ehci, val32, portsc); + /* wait for ACK */ + msleep(10); + retval = handshake(ehci, &ehci->regs->port_status[port-1], PORT_SSTS, + PORTSC_SUSPEND_STS_ACK, 125); + dbg_port(ehci, "LPM", port, val32); + if (retval != -ETIMEDOUT) { + ehci_dbg(ehci, "LPM: device ACK for LPM\n"); + val32 |= PORT_LPM; + /* + * now device should be in L1 sleep, let's wake up the device + * so that we can complete enumeration. + */ + ehci_writel(ehci, val32, portsc); + msleep(10); + val32 |= PORT_RESUME; + ehci_writel(ehci, val32, portsc); + } else { + ehci_dbg(ehci, "LPM: device does not ACK, disable LPM %d\n", + retval); + val32 &= ~PORT_LPM; + retval = -ETIMEDOUT; + ehci_writel(ehci, val32, portsc); + } + + return retval; +} diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c index 5450e62..116ae28 100644 --- a/drivers/usb/host/ehci-omap.c +++ b/drivers/usb/host/ehci-omap.c @@ -38,6 +38,7 @@ #include <linux/gpio.h> #include <linux/regulator/consumer.h> #include <linux/slab.h> +#include <linux/usb/ulpi.h> #include <plat/usb.h> /* @@ -236,6 +237,35 @@ static void omap_usb_utmi_init(struct ehci_hcd_omap *omap, u8 tll_channel_mask) /*-------------------------------------------------------------------------*/ +static void omap_ehci_soft_phy_reset(struct ehci_hcd_omap *omap, u8 port) +{ + unsigned long timeout = jiffies + msecs_to_jiffies(1000); + unsigned reg = 0; + + reg = ULPI_FUNC_CTRL_RESET + /* FUNCTION_CTRL_SET register */ + | (ULPI_SET(ULPI_FUNC_CTRL) << EHCI_INSNREG05_ULPI_REGADD_SHIFT) + /* Write */ + | (2 << EHCI_INSNREG05_ULPI_OPSEL_SHIFT) + /* PORTn */ + | ((port + 1) << EHCI_INSNREG05_ULPI_PORTSEL_SHIFT) + /* start ULPI access*/ + | (1 << EHCI_INSNREG05_ULPI_CONTROL_SHIFT); + + ehci_omap_writel(omap->ehci_base, EHCI_INSNREG05_ULPI, reg); + + /* Wait for ULPI access completion */ + while ((ehci_omap_readl(omap->ehci_base, EHCI_INSNREG05_ULPI) + & (1 << EHCI_INSNREG05_ULPI_CONTROL_SHIFT))) { + cpu_relax(); + + if (time_after(jiffies, timeout)) { + dev_dbg(omap->dev, "phy reset operation timed out\n"); + break; + } + } +} + /* omap_start_ehc * - Start the TI USBHOST controller */ @@ -425,6 +455,12 @@ static int omap_start_ehc(struct ehci_hcd_omap *omap, struct usb_hcd *hcd) gpio_set_value(omap->reset_gpio_port[1], 1); } + /* Soft reset the PHY using PHY reset command over ULPI */ + if (omap->port_mode[0] == EHCI_HCD_OMAP_MODE_PHY) + omap_ehci_soft_phy_reset(omap, 0); + if (omap->port_mode[1] == EHCI_HCD_OMAP_MODE_PHY) + omap_ehci_soft_phy_reset(omap, 1); + return 0; err_sys_status: diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index d43d176..58b72d7 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -114,6 +114,7 @@ static int ehci_pci_setup(struct usb_hcd *hcd) break; case PCI_VENDOR_ID_INTEL: ehci->need_io_watchdog = 0; + ehci->fs_i_thresh = 1; if (pdev->device == 0x27cc) { ehci->broken_periodic = 1; ehci_info(ehci, "using broken periodic workaround\n"); @@ -277,7 +278,7 @@ done: * Also they depend on separate root hub suspend/resume. */ -static int ehci_pci_suspend(struct usb_hcd *hcd) +static int ehci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); unsigned long flags; @@ -291,7 +292,7 @@ static int ehci_pci_suspend(struct usb_hcd *hcd) * the root hub is either suspended or stopped. */ spin_lock_irqsave (&ehci->lock, flags); - ehci_prepare_ports_for_controller_suspend(ehci); + ehci_prepare_ports_for_controller_suspend(ehci, do_wakeup); ehci_writel(ehci, 0, &ehci->regs->intr_enable); (void)ehci_readl(ehci, &ehci->regs->intr_enable); @@ -361,6 +362,22 @@ static int ehci_pci_resume(struct usb_hcd *hcd, bool hibernated) } #endif +static int ehci_update_device(struct usb_hcd *hcd, struct usb_device *udev) +{ + struct ehci_hcd *ehci = hcd_to_ehci(hcd); + int rc = 0; + + if (!udev->parent) /* udev is root hub itself, impossible */ + rc = -1; + /* we only support lpm device connected to root hub yet */ + if (ehci->has_lpm && !udev->parent->parent) { + rc = ehci_lpm_set_da(ehci, udev->devnum, udev->portnum); + if (!rc) + rc = ehci_lpm_check(ehci, udev->portnum); + } + return rc; +} + static const struct hc_driver ehci_pci_hc_driver = { .description = hcd_name, .product_desc = "EHCI Host Controller", @@ -407,6 +424,11 @@ static const struct hc_driver ehci_pci_hc_driver = { .relinquish_port = ehci_relinquish_port, .port_handed_over = ehci_port_handed_over, + /* + * call back when device connected and addressed + */ + .update_device = ehci_update_device, + .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, }; diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c index 11a79c4..233c288 100644 --- a/drivers/usb/host/ehci-q.c +++ b/drivers/usb/host/ehci-q.c @@ -1126,8 +1126,7 @@ submit_async ( #endif spin_lock_irqsave (&ehci->lock, flags); - if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE, - &ehci_to_hcd(ehci)->flags))) { + if (unlikely(!HCD_HW_ACCESSIBLE(ehci_to_hcd(ehci)))) { rc = -ESHUTDOWN; goto done; } diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index 805ec63..a92526d 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -880,8 +880,7 @@ static int intr_submit ( spin_lock_irqsave (&ehci->lock, flags); - if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE, - &ehci_to_hcd(ehci)->flags))) { + if (unlikely(!HCD_HW_ACCESSIBLE(ehci_to_hcd(ehci)))) { status = -ESHUTDOWN; goto done_not_linked; } @@ -1075,15 +1074,6 @@ iso_stream_put(struct ehci_hcd *ehci, struct ehci_iso_stream *stream) if (stream->ep) stream->ep->hcpriv = NULL; - if (stream->rescheduled) { - ehci_info (ehci, "ep%d%s-iso rescheduled " - "%lu times in %lu seconds\n", - stream->bEndpointAddress, is_in ? "in" : "out", - stream->rescheduled, - ((jiffies - stream->start)/HZ) - ); - } - kfree(stream); } } @@ -1396,30 +1386,25 @@ iso_stream_schedule ( struct ehci_iso_stream *stream ) { - u32 now, next, start, period; + u32 now, next, start, period, span; int status; unsigned mod = ehci->periodic_size << 3; struct ehci_iso_sched *sched = urb->hcpriv; - struct pci_dev *pdev; - if (sched->span > (mod - SCHEDULE_SLOP)) { - ehci_dbg (ehci, "iso request %p too long\n", urb); - status = -EFBIG; - goto fail; + period = urb->interval; + span = sched->span; + if (!stream->highspeed) { + period <<= 3; + span <<= 3; } - if ((stream->depth + sched->span) > mod) { - ehci_dbg (ehci, "request %p would overflow (%d+%d>%d)\n", - urb, stream->depth, sched->span, mod); + if (span > mod - SCHEDULE_SLOP) { + ehci_dbg (ehci, "iso request %p too long\n", urb); status = -EFBIG; goto fail; } - period = urb->interval; - if (!stream->highspeed) - period <<= 3; - - now = ehci_readl(ehci, &ehci->regs->frame_index) % mod; + now = ehci_readl(ehci, &ehci->regs->frame_index) & (mod - 1); /* Typical case: reuse current schedule, stream is still active. * Hopefully there are no gaps from the host falling behind @@ -1427,34 +1412,35 @@ iso_stream_schedule ( * slot in the schedule, implicitly assuming URB_ISO_ASAP. */ if (likely (!list_empty (&stream->td_list))) { - pdev = to_pci_dev(ehci_to_hcd(ehci)->self.controller); - start = stream->next_uframe; + u32 excess; /* For high speed devices, allow scheduling within the - * isochronous scheduling threshold. For full speed devices, - * don't. (Work around for Intel ICH9 bug.) + * isochronous scheduling threshold. For full speed devices + * and Intel PCI-based controllers, don't (work around for + * Intel ICH9 bug). */ - if (!stream->highspeed && - pdev->vendor == PCI_VENDOR_ID_INTEL) + if (!stream->highspeed && ehci->fs_i_thresh) next = now + ehci->i_thresh; else next = now; - /* Fell behind (by up to twice the slop amount)? */ - if (((start - next) & (mod - 1)) >= - mod - 2 * SCHEDULE_SLOP) - start += period * DIV_ROUND_UP( - (next - start) & (mod - 1), - period); - - /* Tried to schedule too far into the future? */ - if (unlikely(((start - now) & (mod - 1)) + sched->span - >= mod - 2 * SCHEDULE_SLOP)) { + /* Fell behind (by up to twice the slop amount)? + * We decide based on the time of the last currently-scheduled + * slot, not the time of the next available slot. + */ + excess = (stream->next_uframe - period - next) & (mod - 1); + if (excess >= mod - 2 * SCHEDULE_SLOP) + start = next + excess - mod + period * + DIV_ROUND_UP(mod - excess, period); + else + start = next + excess + period; + if (start - now >= mod) { + ehci_dbg(ehci, "request %p would overflow (%d+%d >= %d)\n", + urb, start - now - period, period, + mod); status = -EFBIG; goto fail; } - stream->next_uframe = start; - goto ready; } /* need to schedule; when's the next (u)frame we could start? @@ -1463,51 +1449,60 @@ iso_stream_schedule ( * can also help high bandwidth if the dma and irq loads don't * jump until after the queue is primed. */ - start = SCHEDULE_SLOP + (now & ~0x07); - start %= mod; - stream->next_uframe = start; - - /* NOTE: assumes URB_ISO_ASAP, to limit complexity/bugs */ - - /* find a uframe slot with enough bandwidth */ - for (; start < (stream->next_uframe + period); start++) { - int enough_space; - - /* check schedule: enough space? */ - if (stream->highspeed) - enough_space = itd_slot_ok (ehci, mod, start, - stream->usecs, period); - else { - if ((start % 8) >= 6) - continue; - enough_space = sitd_slot_ok (ehci, mod, stream, - start, sched, period); + else { + start = SCHEDULE_SLOP + (now & ~0x07); + + /* NOTE: assumes URB_ISO_ASAP, to limit complexity/bugs */ + + /* find a uframe slot with enough bandwidth */ + next = start + period; + for (; start < next; start++) { + + /* check schedule: enough space? */ + if (stream->highspeed) { + if (itd_slot_ok(ehci, mod, start, + stream->usecs, period)) + break; + } else { + if ((start % 8) >= 6) + continue; + if (sitd_slot_ok(ehci, mod, stream, + start, sched, period)) + break; + } } - /* schedule it here if there's enough bandwidth */ - if (enough_space) { - stream->next_uframe = start % mod; - goto ready; + /* no room in the schedule */ + if (start == next) { + ehci_dbg(ehci, "iso resched full %p (now %d max %d)\n", + urb, now, now + mod); + status = -ENOSPC; + goto fail; } } - /* no room in the schedule */ - ehci_dbg (ehci, "iso %ssched full %p (now %d max %d)\n", - list_empty (&stream->td_list) ? "" : "re", - urb, now, now + mod); - status = -ENOSPC; + /* Tried to schedule too far into the future? */ + if (unlikely(start - now + span - period + >= mod - 2 * SCHEDULE_SLOP)) { + ehci_dbg(ehci, "request %p would overflow (%d+%d >= %d)\n", + urb, start - now, span - period, + mod - 2 * SCHEDULE_SLOP); + status = -EFBIG; + goto fail; + } -fail: - iso_sched_free (stream, sched); - urb->hcpriv = NULL; - return status; + stream->next_uframe = start & (mod - 1); -ready: /* report high speed start in uframes; full speed, in frames */ urb->start_frame = stream->next_uframe; if (!stream->highspeed) urb->start_frame >>= 3; return 0; + + fail: + iso_sched_free(stream, sched); + urb->hcpriv = NULL; + return status; } /*-------------------------------------------------------------------------*/ @@ -1602,7 +1597,7 @@ itd_link_urb ( struct ehci_iso_sched *iso_sched = urb->hcpriv; struct ehci_itd *itd; - next_uframe = stream->next_uframe % mod; + next_uframe = stream->next_uframe & (mod - 1); if (unlikely (list_empty(&stream->td_list))) { ehci_to_hcd(ehci)->self.bandwidth_allocated @@ -1613,7 +1608,6 @@ itd_link_urb ( (stream->bEndpointAddress & USB_DIR_IN) ? "in" : "out", urb->interval, next_uframe >> 3, next_uframe & 0x7); - stream->start = jiffies; } ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs++; @@ -1639,14 +1633,13 @@ itd_link_urb ( itd_patch(ehci, itd, iso_sched, packet, uframe); next_uframe += stream->interval; - stream->depth += stream->interval; - next_uframe %= mod; + next_uframe &= mod - 1; packet++; /* link completed itds into the schedule */ if (((next_uframe >> 3) != frame) || packet == urb->number_of_packets) { - itd_link (ehci, frame % ehci->periodic_size, itd); + itd_link(ehci, frame & (ehci->periodic_size - 1), itd); itd = NULL; } } @@ -1695,7 +1688,6 @@ itd_complete ( t = hc32_to_cpup(ehci, &itd->hw_transaction [uframe]); itd->hw_transaction [uframe] = 0; - stream->depth -= stream->interval; /* report transfer status */ if (unlikely (t & ISO_ERRS)) { @@ -1815,8 +1807,7 @@ static int itd_submit (struct ehci_hcd *ehci, struct urb *urb, /* schedule ... need to lock */ spin_lock_irqsave (&ehci->lock, flags); - if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE, - &ehci_to_hcd(ehci)->flags))) { + if (unlikely(!HCD_HW_ACCESSIBLE(ehci_to_hcd(ehci)))) { status = -ESHUTDOWN; goto done_not_linked; } @@ -2024,9 +2015,8 @@ sitd_link_urb ( "sched devp %s ep%d%s-iso [%d] %dms/%04x\n", urb->dev->devpath, stream->bEndpointAddress & 0x0f, (stream->bEndpointAddress & USB_DIR_IN) ? "in" : "out", - (next_uframe >> 3) % ehci->periodic_size, + (next_uframe >> 3) & (ehci->periodic_size - 1), stream->interval, hc32_to_cpu(ehci, stream->splits)); - stream->start = jiffies; } ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs++; @@ -2047,13 +2037,12 @@ sitd_link_urb ( sitd->urb = urb; sitd_patch(ehci, stream, sitd, sched, packet); - sitd_link (ehci, (next_uframe >> 3) % ehci->periodic_size, + sitd_link(ehci, (next_uframe >> 3) & (ehci->periodic_size - 1), sitd); next_uframe += stream->interval << 3; - stream->depth += stream->interval << 3; } - stream->next_uframe = next_uframe % mod; + stream->next_uframe = next_uframe & (mod - 1); /* don't need that schedule data any more */ iso_sched_free (stream, sched); @@ -2111,7 +2100,6 @@ sitd_complete ( desc->actual_length = desc->length - SITD_LENGTH(t); urb->actual_length += desc->actual_length; } - stream->depth -= stream->interval << 3; /* handle completion now? */ if ((urb_index + 1) != urb->number_of_packets) @@ -2201,8 +2189,7 @@ static int sitd_submit (struct ehci_hcd *ehci, struct urb *urb, /* schedule ... need to lock */ spin_lock_irqsave (&ehci->lock, flags); - if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE, - &ehci_to_hcd(ehci)->flags))) { + if (unlikely(!HCD_HW_ACCESSIBLE(ehci_to_hcd(ehci)))) { status = -ESHUTDOWN; goto done_not_linked; } @@ -2263,7 +2250,7 @@ scan_periodic (struct ehci_hcd *ehci) now_uframe = ehci->next_uframe; if (HC_IS_RUNNING(ehci_to_hcd(ehci)->state)) { clock = ehci_readl(ehci, &ehci->regs->frame_index); - clock_frame = (clock >> 3) % ehci->periodic_size; + clock_frame = (clock >> 3) & (ehci->periodic_size - 1); } else { clock = now_uframe + mod - 1; clock_frame = -1; @@ -2272,7 +2259,7 @@ scan_periodic (struct ehci_hcd *ehci) free_cached_lists(ehci); ehci->clock_frame = clock_frame; } - clock %= mod; + clock &= mod - 1; clock_frame = clock >> 3; for (;;) { @@ -2361,7 +2348,7 @@ restart: * frame is current. */ if (((frame == clock_frame) || - (((frame + 1) % ehci->periodic_size) + (((frame + 1) & (ehci->periodic_size - 1)) == clock_frame)) && live && (q.sitd->hw_results & @@ -2428,7 +2415,8 @@ restart: || ehci->periodic_sched == 0) break; ehci->next_uframe = now_uframe; - now = ehci_readl(ehci, &ehci->regs->frame_index) % mod; + now = ehci_readl(ehci, &ehci->regs->frame_index) & + (mod - 1); if (now_uframe == now) break; @@ -2441,7 +2429,7 @@ restart: } } else { now_uframe++; - now_uframe %= mod; + now_uframe &= mod - 1; } } } diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index 650a687..bde823f 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -130,6 +130,7 @@ struct ehci_hcd { /* one per controller */ unsigned has_amcc_usb23:1; unsigned need_io_watchdog:1; unsigned broken_periodic:1; + unsigned fs_i_thresh:1; /* Intel iso scheduling */ /* required for usb32 quirk */ #define OHCI_CTRL_HCFS (3 << 6) @@ -140,7 +141,8 @@ struct ehci_hcd { /* one per controller */ #define OHCI_HCCTRL_LEN 0x4 __hc32 *ohci_hcctrl_reg; unsigned has_hostpc:1; - + unsigned has_lpm:1; /* support link power management */ + unsigned has_ppcd:1; /* support per-port change bits */ u8 sbrn; /* packed release number */ /* irq statistics */ @@ -154,9 +156,6 @@ struct ehci_hcd { /* one per controller */ /* debug files */ #ifdef DEBUG struct dentry *debug_dir; - struct dentry *debug_async; - struct dentry *debug_periodic; - struct dentry *debug_registers; #endif }; @@ -401,15 +400,12 @@ struct ehci_iso_stream { u32 refcount; u8 bEndpointAddress; u8 highspeed; - u16 depth; /* depth in uframes */ struct list_head td_list; /* queued itds/sitds */ struct list_head free_list; /* list of unused itds/sitds */ struct usb_device *udev; struct usb_host_endpoint *ep; /* output of (re)scheduling */ - unsigned long start; /* jiffies */ - unsigned long rescheduled; int next_uframe; __hc32 splits; @@ -538,11 +534,11 @@ struct ehci_fstn { /* Prepare the PORTSC wakeup flags during controller suspend/resume */ -#define ehci_prepare_ports_for_controller_suspend(ehci) \ - ehci_adjust_port_wakeup_flags(ehci, true); +#define ehci_prepare_ports_for_controller_suspend(ehci, do_wakeup) \ + ehci_adjust_port_wakeup_flags(ehci, true, do_wakeup); -#define ehci_prepare_ports_for_controller_resume(ehci) \ - ehci_adjust_port_wakeup_flags(ehci, false); +#define ehci_prepare_ports_for_controller_resume(ehci) \ + ehci_adjust_port_wakeup_flags(ehci, false, false); /*-------------------------------------------------------------------------*/ diff --git a/drivers/usb/host/hwa-hc.c b/drivers/usb/host/hwa-hc.c index 35742f8..9bfac65 100644 --- a/drivers/usb/host/hwa-hc.c +++ b/drivers/usb/host/hwa-hc.c @@ -159,7 +159,7 @@ static int hwahc_op_start(struct usb_hcd *usb_hcd) goto error_set_cluster_id; usb_hcd->uses_new_polling = 1; - usb_hcd->poll_rh = 1; + set_bit(HCD_FLAG_POLL_RH, &usb_hcd->flags); usb_hcd->state = HC_STATE_RUNNING; result = 0; out: @@ -776,7 +776,7 @@ static int hwahc_probe(struct usb_interface *usb_iface, goto error_alloc; } usb_hcd->wireless = 1; - usb_hcd->flags |= HCD_FLAG_SAW_IRQ; + set_bit(HCD_FLAG_SAW_IRQ, &usb_hcd->flags); wusbhc = usb_hcd_to_wusbhc(usb_hcd); hwahc = container_of(wusbhc, struct hwahc, wusbhc); hwahc_init(hwahc); diff --git a/drivers/usb/host/imx21-hcd.c b/drivers/usb/host/imx21-hcd.c index caf116c..d0abb9b 100644 --- a/drivers/usb/host/imx21-hcd.c +++ b/drivers/usb/host/imx21-hcd.c @@ -1521,7 +1521,7 @@ static int imx21_hc_reset(struct usb_hcd *hcd) return -ETIMEDOUT; } spin_unlock_irq(&imx21->lock); - schedule_timeout(1); + schedule_timeout_uninterruptible(1); spin_lock_irq(&imx21->lock); } spin_unlock_irqrestore(&imx21->lock, flags); diff --git a/drivers/usb/host/isp1362.h b/drivers/usb/host/isp1362.h index d995351..0f97820 100644 --- a/drivers/usb/host/isp1362.h +++ b/drivers/usb/host/isp1362.h @@ -8,29 +8,7 @@ /* * Platform specific compile time options */ -#if defined(CONFIG_ARCH_KARO) -#include <asm/arch/hardware.h> -#include <asm/arch/pxa-regs.h> -#include <asm/arch/karo.h> - -#define USE_32BIT 1 - - -/* These options are mutually eclusive */ -#define USE_PLATFORM_DELAY 1 -#define USE_NDELAY 0 -/* - * MAX_ROOT_PORTS: Number of downstream ports - * - * The chip has two USB ports, one of which can be configured as - * an USB device port, so the value of this constant is implementation - * specific. - */ -#define MAX_ROOT_PORTS 2 -#define DUMMY_DELAY_ACCESS do {} while (0) - -/* insert platform specific definitions for other machines here */ -#elif defined(CONFIG_BLACKFIN) +#if defined(CONFIG_BLACKFIN) #include <linux/io.h> #define USE_32BIT 0 diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c index dbcafa2..d1a3dfc 100644 --- a/drivers/usb/host/isp1760-hcd.c +++ b/drivers/usb/host/isp1760-hcd.c @@ -482,7 +482,6 @@ static int isp1760_run(struct usb_hcd *hcd) u32 chipid; hcd->uses_new_polling = 1; - hcd->poll_rh = 0; hcd->state = HC_STATE_RUNNING; isp1760_enable_interrupts(hcd); @@ -1450,7 +1449,7 @@ static int isp1760_prepare_enqueue(struct isp1760_hcd *priv, struct urb *urb, epnum = urb->ep->desc.bEndpointAddress; spin_lock_irqsave(&priv->lock, flags); - if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &priv_to_hcd(priv)->flags)) { + if (!HCD_HW_ACCESSIBLE(priv_to_hcd(priv))) { rc = -ESHUTDOWN; goto done; } diff --git a/drivers/usb/host/ohci-dbg.c b/drivers/usb/host/ohci-dbg.c index 8ad2441..36abd2b 100644 --- a/drivers/usb/host/ohci-dbg.c +++ b/drivers/usb/host/ohci-dbg.c @@ -645,7 +645,7 @@ static ssize_t fill_registers_buffer(struct debug_buffer *buf) hcd->product_desc, hcd_name); - if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) { + if (!HCD_HW_ACCESSIBLE(hcd)) { size -= scnprintf (next, size, "SUSPENDED (no register access)\n"); goto done; @@ -687,7 +687,7 @@ static ssize_t fill_registers_buffer(struct debug_buffer *buf) next += temp; temp = scnprintf (next, size, "hub poll timer %s\n", - ohci_to_hcd(ohci)->poll_rh ? "ON" : "off"); + HCD_POLL_RH(ohci_to_hcd(ohci)) ? "ON" : "off"); size -= temp; next += temp; diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 3ceb097..15ae39d 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -212,7 +212,7 @@ static int ohci_urb_enqueue ( spin_lock_irqsave (&ohci->lock, flags); /* don't submit to a dead HC */ - if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) { + if (!HCD_HW_ACCESSIBLE(hcd)) { retval = -ENODEV; goto fail; } @@ -684,7 +684,7 @@ retry: } /* use rhsc irqs after khubd is fully initialized */ - hcd->poll_rh = 1; + set_bit(HCD_FLAG_POLL_RH, &hcd->flags); hcd->uses_new_polling = 1; /* start controller operations */ @@ -821,7 +821,7 @@ static irqreturn_t ohci_irq (struct usb_hcd *hcd) else if (ints & OHCI_INTR_RD) { ohci_vdbg(ohci, "resume detect\n"); ohci_writel(ohci, OHCI_INTR_RD, ®s->intrstatus); - hcd->poll_rh = 1; + set_bit(HCD_FLAG_POLL_RH, &hcd->flags); if (ohci->autostop) { spin_lock (&ohci->lock); ohci_rh_resume (ohci); diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c index 65cac8c..cddcda9 100644 --- a/drivers/usb/host/ohci-hub.c +++ b/drivers/usb/host/ohci-hub.c @@ -284,7 +284,7 @@ static int ohci_bus_suspend (struct usb_hcd *hcd) spin_lock_irq (&ohci->lock); - if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags))) + if (unlikely(!HCD_HW_ACCESSIBLE(hcd))) rc = -ESHUTDOWN; else rc = ohci_rh_suspend (ohci, 0); @@ -302,7 +302,7 @@ static int ohci_bus_resume (struct usb_hcd *hcd) spin_lock_irq (&ohci->lock); - if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags))) + if (unlikely(!HCD_HW_ACCESSIBLE(hcd))) rc = -ESHUTDOWN; else rc = ohci_rh_resume (ohci); @@ -355,6 +355,11 @@ static void ohci_finish_controller_resume(struct usb_hcd *hcd) ohci_readl(ohci, &ohci->regs->intrenable); msleep(20); } + + /* Does the root hub have a port wakeup pending? */ + if (ohci_readl(ohci, &ohci->regs->intrstatus) & + (OHCI_INTR_RD | OHCI_INTR_RHSC)) + usb_hcd_resume_root_hub(hcd); } /* Carry out polling-, autostop-, and autoresume-related state changes */ @@ -364,7 +369,7 @@ static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed, int poll_rh = 1; int rhsc_enable; - /* Some broken controllers never turn off RHCS in the interrupt + /* Some broken controllers never turn off RHSC in the interrupt * status register. For their sake we won't re-enable RHSC * interrupts if the interrupt bit is already active. */ @@ -489,7 +494,7 @@ ohci_hub_status_data (struct usb_hcd *hcd, char *buf) unsigned long flags; spin_lock_irqsave (&ohci->lock, flags); - if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) + if (!HCD_HW_ACCESSIBLE(hcd)) goto done; /* undocumented erratum seen on at least rev D */ @@ -533,8 +538,12 @@ ohci_hub_status_data (struct usb_hcd *hcd, char *buf) } } - hcd->poll_rh = ohci_root_hub_state_changes(ohci, changed, - any_connected, rhsc_status); + if (ohci_root_hub_state_changes(ohci, changed, + any_connected, rhsc_status)) + set_bit(HCD_FLAG_POLL_RH, &hcd->flags); + else + clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); + done: spin_unlock_irqrestore (&ohci->lock, flags); @@ -701,7 +710,7 @@ static int ohci_hub_control ( u32 temp; int retval = 0; - if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags))) + if (unlikely(!HCD_HW_ACCESSIBLE(hcd))) return -ESHUTDOWN; switch (typeReq) { diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c index b8a1148..6bdc8b2 100644 --- a/drivers/usb/host/ohci-pci.c +++ b/drivers/usb/host/ohci-pci.c @@ -392,7 +392,7 @@ static int __devinit ohci_pci_start (struct usb_hcd *hcd) #ifdef CONFIG_PM -static int ohci_pci_suspend(struct usb_hcd *hcd) +static int ohci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup) { struct ohci_hcd *ohci = hcd_to_ohci (hcd); unsigned long flags; diff --git a/drivers/usb/host/ohci-ssb.c b/drivers/usb/host/ohci-ssb.c index 23fd6a8..48ee694 100644 --- a/drivers/usb/host/ohci-ssb.c +++ b/drivers/usb/host/ohci-ssb.c @@ -93,8 +93,11 @@ static void ssb_ohci_detach(struct ssb_device *dev) { struct usb_hcd *hcd = ssb_get_drvdata(dev); + if (hcd->driver->shutdown) + hcd->driver->shutdown(hcd); usb_remove_hcd(hcd); iounmap(hcd->regs); + release_mem_region(hcd->rsrc_start, hcd->rsrc_len); usb_put_hcd(hcd); ssb_device_disable(dev, 0); } @@ -106,10 +109,52 @@ static int ssb_ohci_attach(struct ssb_device *dev) int err = -ENOMEM; u32 tmp, flags = 0; - if (dev->id.coreid == SSB_DEV_USB11_HOSTDEV) - flags |= SSB_OHCI_TMSLOW_HOSTMODE; + if (dma_set_mask(dev->dma_dev, DMA_BIT_MASK(32)) || + dma_set_coherent_mask(dev->dma_dev, DMA_BIT_MASK(32))) + return -EOPNOTSUPP; - ssb_device_enable(dev, flags); + if (dev->id.coreid == SSB_DEV_USB11_HOSTDEV) { + /* Put the device into host-mode. */ + flags |= SSB_OHCI_TMSLOW_HOSTMODE; + ssb_device_enable(dev, flags); + } else if (dev->id.coreid == SSB_DEV_USB20_HOST) { + /* + * USB 2.0 special considerations: + * + * In addition to the standard SSB reset sequence, the Host + * Control Register must be programmed to bring the USB core + * and various phy components out of reset. + */ + ssb_device_enable(dev, 0); + ssb_write32(dev, 0x200, 0x7ff); + + /* Change Flush control reg */ + tmp = ssb_read32(dev, 0x400); + tmp &= ~8; + ssb_write32(dev, 0x400, tmp); + tmp = ssb_read32(dev, 0x400); + + /* Change Shim control reg */ + tmp = ssb_read32(dev, 0x304); + tmp &= ~0x100; + ssb_write32(dev, 0x304, tmp); + tmp = ssb_read32(dev, 0x304); + + udelay(1); + + /* Work around for 5354 failures */ + if (dev->id.revision == 2 && dev->bus->chip_id == 0x5354) { + /* Change syn01 reg */ + tmp = 0x00fe00fe; + ssb_write32(dev, 0x894, tmp); + + /* Change syn03 reg */ + tmp = ssb_read32(dev, 0x89c); + tmp |= 0x1; + ssb_write32(dev, 0x89c, tmp); + } + } else + ssb_device_enable(dev, 0); hcd = usb_create_hcd(&ssb_ohci_hc_driver, dev->dev, dev_name(dev->dev)); @@ -200,6 +245,7 @@ static int ssb_ohci_resume(struct ssb_device *dev) static const struct ssb_device_id ssb_ohci_table[] = { SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOSTDEV, SSB_ANY_REV), SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOST, SSB_ANY_REV), + SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB20_HOST, SSB_ANY_REV), SSB_DEVTABLE_END }; MODULE_DEVICE_TABLE(ssb, ssb_ohci_table); diff --git a/drivers/usb/host/oxu210hp-hcd.c b/drivers/usb/host/oxu210hp-hcd.c index de9e1c3..8026dc8 100644 --- a/drivers/usb/host/oxu210hp-hcd.c +++ b/drivers/usb/host/oxu210hp-hcd.c @@ -1633,8 +1633,7 @@ static int submit_async(struct oxu_hcd *oxu, struct urb *urb, #endif spin_lock_irqsave(&oxu->lock, flags); - if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE, - &oxu_to_hcd(oxu)->flags))) { + if (unlikely(!HCD_HW_ACCESSIBLE(oxu_to_hcd(oxu)))) { rc = -ESHUTDOWN; goto done; } @@ -2201,8 +2200,7 @@ static int intr_submit(struct oxu_hcd *oxu, struct urb *urb, spin_lock_irqsave(&oxu->lock, flags); - if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE, - &oxu_to_hcd(oxu)->flags))) { + if (unlikely(!HCD_HW_ACCESSIBLE(oxu_to_hcd(oxu)))) { status = -ESHUTDOWN; goto done; } @@ -2707,7 +2705,6 @@ static int oxu_run(struct usb_hcd *hcd) u32 temp, hcc_params; hcd->uses_new_polling = 1; - hcd->poll_rh = 0; /* EHCI spec section 4.1 */ retval = ehci_reset(oxu); diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c index bcf9f0e..990f06b 100644 --- a/drivers/usb/host/sl811-hcd.c +++ b/drivers/usb/host/sl811-hcd.c @@ -813,8 +813,11 @@ static int sl811h_urb_enqueue( #endif /* avoid all allocations within spinlocks */ - if (!hep->hcpriv) + if (!hep->hcpriv) { ep = kzalloc(sizeof *ep, mem_flags); + if (ep == NULL) + return -ENOMEM; + } spin_lock_irqsave(&sl811->lock, flags); diff --git a/drivers/usb/host/uhci-debug.c b/drivers/usb/host/uhci-debug.c index 98cf0b2..6e7fb5f 100644 --- a/drivers/usb/host/uhci-debug.c +++ b/drivers/usb/host/uhci-debug.c @@ -17,7 +17,6 @@ #include "uhci-hcd.h" -#define uhci_debug_operations (* (const struct file_operations *) NULL) static struct dentry *uhci_debugfs_root; #ifdef DEBUG @@ -495,18 +494,16 @@ static int uhci_debug_open(struct inode *inode, struct file *file) { struct uhci_hcd *uhci = inode->i_private; struct uhci_debug *up; - int ret = -ENOMEM; unsigned long flags; - lock_kernel(); up = kmalloc(sizeof(*up), GFP_KERNEL); if (!up) - goto out; + return -ENOMEM; up->data = kmalloc(MAX_OUTPUT, GFP_KERNEL); if (!up->data) { kfree(up); - goto out; + return -ENOMEM; } up->size = 0; @@ -517,10 +514,7 @@ static int uhci_debug_open(struct inode *inode, struct file *file) file->private_data = up; - ret = 0; -out: - unlock_kernel(); - return ret; + return 0; } static loff_t uhci_debug_lseek(struct file *file, loff_t off, int whence) @@ -528,9 +522,9 @@ static loff_t uhci_debug_lseek(struct file *file, loff_t off, int whence) struct uhci_debug *up; loff_t new = -1; - lock_kernel(); up = file->private_data; + /* XXX: atomic 64bit seek access, but that needs to be fixed in the VFS */ switch (whence) { case 0: new = off; @@ -539,11 +533,10 @@ static loff_t uhci_debug_lseek(struct file *file, loff_t off, int whence) new = file->f_pos + off; break; } - if (new < 0 || new > up->size) { - unlock_kernel(); + + if (new < 0 || new > up->size) return -EINVAL; - } - unlock_kernel(); + return (file->f_pos = new); } @@ -564,7 +557,6 @@ static int uhci_debug_release(struct inode *inode, struct file *file) return 0; } -#undef uhci_debug_operations static const struct file_operations uhci_debug_operations = { .owner = THIS_MODULE, .open = uhci_debug_open, @@ -572,6 +564,7 @@ static const struct file_operations uhci_debug_operations = { .read = uhci_debug_read, .release = uhci_debug_release, }; +#define UHCI_DEBUG_OPS #endif /* CONFIG_DEBUG_FS */ diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c index 6637e52..f52d04d 100644 --- a/drivers/usb/host/uhci-hcd.c +++ b/drivers/usb/host/uhci-hcd.c @@ -140,7 +140,7 @@ static void finish_reset(struct uhci_hcd *uhci) uhci->rh_state = UHCI_RH_RESET; uhci->is_stopped = UHCI_IS_STOPPED; uhci_to_hcd(uhci)->state = HC_STATE_HALT; - uhci_to_hcd(uhci)->poll_rh = 0; + clear_bit(HCD_FLAG_POLL_RH, &uhci_to_hcd(uhci)->flags); uhci->dead = 0; /* Full reset resurrects the controller */ } @@ -176,6 +176,8 @@ static void check_and_reset_hc(struct uhci_hcd *uhci) */ static void configure_hc(struct uhci_hcd *uhci) { + struct pci_dev *pdev = to_pci_dev(uhci_dev(uhci)); + /* Set the frame length to the default: 1 ms exactly */ outb(USBSOF_DEFAULT, uhci->io_addr + USBSOF); @@ -191,8 +193,11 @@ static void configure_hc(struct uhci_hcd *uhci) mb(); /* Enable PIRQ */ - pci_write_config_word(to_pci_dev(uhci_dev(uhci)), USBLEGSUP, - USBLEGSUP_DEFAULT); + pci_write_config_word(pdev, USBLEGSUP, USBLEGSUP_DEFAULT); + + /* Disable platform-specific non-PME# wakeup */ + if (pdev->vendor == PCI_VENDOR_ID_INTEL) + pci_write_config_byte(pdev, USBRES_INTEL, 0); } @@ -344,7 +349,10 @@ __acquires(uhci->lock) /* If interrupts don't work and remote wakeup is enabled then * the suspended root hub needs to be polled. */ - uhci_to_hcd(uhci)->poll_rh = (!int_enable && wakeup_enable); + if (!int_enable && wakeup_enable) + set_bit(HCD_FLAG_POLL_RH, &uhci_to_hcd(uhci)->flags); + else + clear_bit(HCD_FLAG_POLL_RH, &uhci_to_hcd(uhci)->flags); uhci_scan_schedule(uhci); uhci_fsbr_off(uhci); @@ -363,7 +371,7 @@ static void start_rh(struct uhci_hcd *uhci) uhci->io_addr + USBINTR); mb(); uhci->rh_state = UHCI_RH_RUNNING; - uhci_to_hcd(uhci)->poll_rh = 1; + set_bit(HCD_FLAG_POLL_RH, &uhci_to_hcd(uhci)->flags); } static void wakeup_rh(struct uhci_hcd *uhci) @@ -589,7 +597,7 @@ static int uhci_start(struct usb_hcd *hcd) struct uhci_hcd *uhci = hcd_to_uhci(hcd); int retval = -EBUSY; int i; - struct dentry *dentry; + struct dentry __maybe_unused *dentry; hcd->uses_new_polling = 1; @@ -599,18 +607,16 @@ static int uhci_start(struct usb_hcd *hcd) INIT_LIST_HEAD(&uhci->idle_qh_list); init_waitqueue_head(&uhci->waitqh); - if (DEBUG_CONFIGURED) { - dentry = debugfs_create_file(hcd->self.bus_name, - S_IFREG|S_IRUGO|S_IWUSR, uhci_debugfs_root, - uhci, &uhci_debug_operations); - if (!dentry) { - dev_err(uhci_dev(uhci), "couldn't create uhci " - "debugfs entry\n"); - retval = -ENOMEM; - goto err_create_debug_entry; - } - uhci->dentry = dentry; +#ifdef UHCI_DEBUG_OPS + dentry = debugfs_create_file(hcd->self.bus_name, + S_IFREG|S_IRUGO|S_IWUSR, uhci_debugfs_root, + uhci, &uhci_debug_operations); + if (!dentry) { + dev_err(uhci_dev(uhci), "couldn't create uhci debugfs entry\n"); + return -ENOMEM; } + uhci->dentry = dentry; +#endif uhci->frame = dma_alloc_coherent(uhci_dev(uhci), UHCI_NUMFRAMES * sizeof(*uhci->frame), @@ -691,7 +697,9 @@ static int uhci_start(struct usb_hcd *hcd) configure_hc(uhci); uhci->is_initialized = 1; + spin_lock_irq(&uhci->lock); start_rh(uhci); + spin_unlock_irq(&uhci->lock); return 0; /* @@ -722,7 +730,6 @@ err_alloc_frame_cpu: err_alloc_frame: debugfs_remove(uhci->dentry); -err_create_debug_entry: return retval; } @@ -731,7 +738,7 @@ static void uhci_stop(struct usb_hcd *hcd) struct uhci_hcd *uhci = hcd_to_uhci(hcd); spin_lock_irq(&uhci->lock); - if (test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags) && !uhci->dead) + if (HCD_HW_ACCESSIBLE(hcd) && !uhci->dead) uhci_hc_died(uhci); uhci_scan_schedule(uhci); spin_unlock_irq(&uhci->lock); @@ -748,7 +755,7 @@ static int uhci_rh_suspend(struct usb_hcd *hcd) int rc = 0; spin_lock_irq(&uhci->lock); - if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) + if (!HCD_HW_ACCESSIBLE(hcd)) rc = -ESHUTDOWN; else if (uhci->dead) ; /* Dead controllers tell no tales */ @@ -775,7 +782,7 @@ static int uhci_rh_resume(struct usb_hcd *hcd) int rc = 0; spin_lock_irq(&uhci->lock); - if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) + if (!HCD_HW_ACCESSIBLE(hcd)) rc = -ESHUTDOWN; else if (!uhci->dead) wakeup_rh(uhci); @@ -783,15 +790,16 @@ static int uhci_rh_resume(struct usb_hcd *hcd) return rc; } -static int uhci_pci_suspend(struct usb_hcd *hcd) +static int uhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup) { struct uhci_hcd *uhci = hcd_to_uhci(hcd); + struct pci_dev *pdev = to_pci_dev(uhci_dev(uhci)); int rc = 0; dev_dbg(uhci_dev(uhci), "%s\n", __func__); spin_lock_irq(&uhci->lock); - if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags) || uhci->dead) + if (!HCD_HW_ACCESSIBLE(hcd) || uhci->dead) goto done_okay; /* Already suspended or dead */ if (uhci->rh_state > UHCI_RH_SUSPENDED) { @@ -803,11 +811,15 @@ static int uhci_pci_suspend(struct usb_hcd *hcd) /* All PCI host controllers are required to disable IRQ generation * at the source, so we must turn off PIRQ. */ - pci_write_config_word(to_pci_dev(uhci_dev(uhci)), USBLEGSUP, 0); - mb(); - hcd->poll_rh = 0; - - /* FIXME: Enable non-PME# remote wakeup? */ + pci_write_config_word(pdev, USBLEGSUP, 0); + clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); + + /* Enable platform-specific non-PME# wakeup */ + if (do_wakeup) { + if (pdev->vendor == PCI_VENDOR_ID_INTEL) + pci_write_config_byte(pdev, USBRES_INTEL, + USBPORT1EN | USBPORT2EN); + } done_okay: clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); @@ -826,7 +838,6 @@ static int uhci_pci_resume(struct usb_hcd *hcd, bool hibernated) * even if the controller was dead. */ set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - mb(); spin_lock_irq(&uhci->lock); @@ -834,8 +845,6 @@ static int uhci_pci_resume(struct usb_hcd *hcd, bool hibernated) if (hibernated) uhci_hc_died(uhci); - /* FIXME: Disable non-PME# remote wakeup? */ - /* The firmware or a boot kernel may have changed the controller * settings during a system wakeup. Check it and reconfigure * to avoid problems. @@ -845,22 +854,20 @@ static int uhci_pci_resume(struct usb_hcd *hcd, bool hibernated) /* If the controller was dead before, it's back alive now */ configure_hc(uhci); - if (uhci->rh_state == UHCI_RH_RESET) { - - /* The controller had to be reset */ + /* Tell the core if the controller had to be reset */ + if (uhci->rh_state == UHCI_RH_RESET) usb_root_hub_lost_power(hcd->self.root_hub); - suspend_rh(uhci, UHCI_RH_SUSPENDED); - } spin_unlock_irq(&uhci->lock); /* If interrupts don't work and remote wakeup is enabled then * the suspended root hub needs to be polled. */ - if (!uhci->RD_enable && hcd->self.root_hub->do_remote_wakeup) { - hcd->poll_rh = 1; - usb_hcd_poll_rh_status(hcd); - } + if (!uhci->RD_enable && hcd->self.root_hub->do_remote_wakeup) + set_bit(HCD_FLAG_POLL_RH, &hcd->flags); + + /* Does the root hub have a port wakeup pending? */ + usb_hcd_poll_rh_status(hcd); return 0; } #endif diff --git a/drivers/usb/host/uhci-hcd.h b/drivers/usb/host/uhci-hcd.h index 26bd1b2..49bf279 100644 --- a/drivers/usb/host/uhci-hcd.h +++ b/drivers/usb/host/uhci-hcd.h @@ -67,12 +67,17 @@ #define USBPORTSC_RES3 0x4000 /* reserved, write zeroes */ #define USBPORTSC_RES4 0x8000 /* reserved, write zeroes */ -/* Legacy support register */ +/* PCI legacy support register */ #define USBLEGSUP 0xc0 #define USBLEGSUP_DEFAULT 0x2000 /* only PIRQ enable set */ #define USBLEGSUP_RWC 0x8f00 /* the R/WC bits */ #define USBLEGSUP_RO 0x5040 /* R/O and reserved bits */ +/* PCI Intel-specific resume-enable register */ +#define USBRES_INTEL 0xc4 +#define USBPORT1EN 0x01 +#define USBPORT2EN 0x02 + #define UHCI_PTR_BITS cpu_to_le32(0x000F) #define UHCI_PTR_TERM cpu_to_le32(0x0001) #define UHCI_PTR_QH cpu_to_le32(0x0002) diff --git a/drivers/usb/host/uhci-hub.c b/drivers/usb/host/uhci-hub.c index 8270055..6d59c0f 100644 --- a/drivers/usb/host/uhci-hub.c +++ b/drivers/usb/host/uhci-hub.c @@ -190,7 +190,7 @@ static int uhci_hub_status_data(struct usb_hcd *hcd, char *buf) spin_lock_irqsave(&uhci->lock, flags); uhci_scan_schedule(uhci); - if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags) || uhci->dead) + if (!HCD_HW_ACCESSIBLE(hcd) || uhci->dead) goto done; uhci_check_ports(uhci); @@ -200,7 +200,7 @@ static int uhci_hub_status_data(struct usb_hcd *hcd, char *buf) case UHCI_RH_SUSPENDING: case UHCI_RH_SUSPENDED: /* if port change, ask to be resumed */ - if (status) + if (status || uhci->resuming_ports) usb_hcd_resume_root_hub(hcd); break; @@ -246,7 +246,7 @@ static int uhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, u16 wPortChange, wPortStatus; unsigned long flags; - if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags) || uhci->dead) + if (!HCD_HW_ACCESSIBLE(hcd) || uhci->dead) return -ETIMEDOUT; spin_lock_irqsave(&uhci->lock, flags); diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c index acd582c..d3ade40 100644 --- a/drivers/usb/host/uhci-q.c +++ b/drivers/usb/host/uhci-q.c @@ -565,7 +565,7 @@ static void uhci_unlink_qh(struct uhci_hcd *uhci, struct uhci_qh *qh) qh->unlink_frame = uhci->frame_number; /* Force an interrupt so we know when the QH is fully unlinked */ - if (list_empty(&uhci->skel_unlink_qh->node)) + if (list_empty(&uhci->skel_unlink_qh->node) || uhci->is_stopped) uhci_set_next_interrupt(uhci); /* Move the QH from its old list to the end of the unlinking list */ @@ -1667,7 +1667,7 @@ static int uhci_advance_check(struct uhci_hcd *uhci, struct uhci_qh *qh) qh->advance_jiffies = jiffies; goto done; } - ret = 0; + ret = uhci->is_stopped; } /* The queue hasn't advanced; check for timeout */ diff --git a/drivers/usb/host/whci/hcd.c b/drivers/usb/host/whci/hcd.c index e0d3401..72b6892 100644 --- a/drivers/usb/host/whci/hcd.c +++ b/drivers/usb/host/whci/hcd.c @@ -68,7 +68,7 @@ static int whc_start(struct usb_hcd *usb_hcd) whc_write_wusbcmd(whc, WUSBCMD_RUN, WUSBCMD_RUN); usb_hcd->uses_new_polling = 1; - usb_hcd->poll_rh = 1; + set_bit(HCD_FLAG_POLL_RH, &usb_hcd->flags); usb_hcd->state = HC_STATE_RUNNING; out: diff --git a/drivers/usb/host/whci/qset.c b/drivers/usb/host/whci/qset.c index ab5a14f..dc0ab83 100644 --- a/drivers/usb/host/whci/qset.c +++ b/drivers/usb/host/whci/qset.c @@ -475,7 +475,7 @@ static int qset_add_urb_sg(struct whc *whc, struct whc_qset *qset, struct urb *u || (prev_end & (WHCI_PAGE_SIZE-1)) || (dma_addr & (WHCI_PAGE_SIZE-1)) || std->len + WHCI_PAGE_SIZE > QTD_MAX_XFER_SIZE) { - if (std->len % qset->max_packet != 0) + if (std && std->len % qset->max_packet != 0) return -EINVAL; std = qset_new_std(whc, qset, urb, mem_flags); if (std == NULL) { diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 2eb658d..4e51343 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -391,49 +391,6 @@ struct xhci_ring *xhci_stream_id_to_ring( return ep->stream_info->stream_rings[stream_id]; } -struct xhci_ring *xhci_triad_to_transfer_ring(struct xhci_hcd *xhci, - unsigned int slot_id, unsigned int ep_index, - unsigned int stream_id) -{ - struct xhci_virt_ep *ep; - - ep = &xhci->devs[slot_id]->eps[ep_index]; - /* Common case: no streams */ - if (!(ep->ep_state & EP_HAS_STREAMS)) - return ep->ring; - - if (stream_id == 0) { - xhci_warn(xhci, - "WARN: Slot ID %u, ep index %u has streams, " - "but URB has no stream ID.\n", - slot_id, ep_index); - return NULL; - } - - if (stream_id < ep->stream_info->num_streams) - return ep->stream_info->stream_rings[stream_id]; - - xhci_warn(xhci, - "WARN: Slot ID %u, ep index %u has " - "stream IDs 1 to %u allocated, " - "but stream ID %u is requested.\n", - slot_id, ep_index, - ep->stream_info->num_streams - 1, - stream_id); - return NULL; -} - -/* Get the right ring for the given URB. - * If the endpoint supports streams, boundary check the URB's stream ID. - * If the endpoint doesn't support streams, return the singular endpoint ring. - */ -struct xhci_ring *xhci_urb_to_transfer_ring(struct xhci_hcd *xhci, - struct urb *urb) -{ - return xhci_triad_to_transfer_ring(xhci, urb->dev->slot_id, - xhci_get_endpoint_index(&urb->ep->desc), urb->stream_id); -} - #ifdef CONFIG_USB_XHCI_HCD_DEBUGGING static int xhci_test_radix_tree(struct xhci_hcd *xhci, unsigned int num_streams, @@ -1112,8 +1069,18 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, ep_ctx = xhci_get_ep_ctx(xhci, virt_dev->in_ctx, ep_index); /* Set up the endpoint ring */ - virt_dev->eps[ep_index].new_ring = - xhci_ring_alloc(xhci, 1, true, mem_flags); + /* + * Isochronous endpoint ring needs bigger size because one isoc URB + * carries multiple packets and it will insert multiple tds to the + * ring. + * This should be replaced with dynamic ring resizing in the future. + */ + if (usb_endpoint_xfer_isoc(&ep->desc)) + virt_dev->eps[ep_index].new_ring = + xhci_ring_alloc(xhci, 8, true, mem_flags); + else + virt_dev->eps[ep_index].new_ring = + xhci_ring_alloc(xhci, 1, true, mem_flags); if (!virt_dev->eps[ep_index].new_ring) { /* Attempt to use the ring cache */ if (virt_dev->num_rings_cached == 0) @@ -1124,6 +1091,7 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, virt_dev->num_rings_cached--; xhci_reinit_cached_ring(xhci, virt_dev->eps[ep_index].new_ring); } + virt_dev->eps[ep_index].skip = false; ep_ring = virt_dev->eps[ep_index].new_ring; ep_ctx->deq = ep_ring->first_seg->dma | ep_ring->cycle_state; @@ -1389,6 +1357,22 @@ struct xhci_command *xhci_alloc_command(struct xhci_hcd *xhci, return command; } +void xhci_urb_free_priv(struct xhci_hcd *xhci, struct urb_priv *urb_priv) +{ + int last; + + if (!urb_priv) + return; + + last = urb_priv->length - 1; + if (last >= 0) { + int i; + for (i = 0; i <= last; i++) + kfree(urb_priv->td[i]); + } + kfree(urb_priv); +} + void xhci_free_command(struct xhci_hcd *xhci, struct xhci_command *command) { @@ -1588,7 +1572,7 @@ static int xhci_check_trb_in_td_math(struct xhci_hcd *xhci, gfp_t mem_flags) unsigned int num_tests; int i, ret; - num_tests = sizeof(simple_test_vector) / sizeof(simple_test_vector[0]); + num_tests = ARRAY_SIZE(simple_test_vector); for (i = 0; i < num_tests; i++) { ret = xhci_test_trb_in_td(xhci, xhci->event_ring->first_seg, @@ -1601,7 +1585,7 @@ static int xhci_check_trb_in_td_math(struct xhci_hcd *xhci, gfp_t mem_flags) return ret; } - num_tests = sizeof(complex_test_vector) / sizeof(complex_test_vector[0]); + num_tests = ARRAY_SIZE(complex_test_vector); for (i = 0; i < num_tests; i++) { ret = xhci_test_trb_in_td(xhci, complex_test_vector[i].input_seg, @@ -1617,6 +1601,29 @@ static int xhci_check_trb_in_td_math(struct xhci_hcd *xhci, gfp_t mem_flags) return 0; } +static void xhci_set_hc_event_deq(struct xhci_hcd *xhci) +{ + u64 temp; + dma_addr_t deq; + + deq = xhci_trb_virt_to_dma(xhci->event_ring->deq_seg, + xhci->event_ring->dequeue); + if (deq == 0 && !in_interrupt()) + xhci_warn(xhci, "WARN something wrong with SW event ring " + "dequeue ptr.\n"); + /* Update HC event ring dequeue pointer */ + temp = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue); + temp &= ERST_PTR_MASK; + /* Don't clear the EHB bit (which is RW1C) because + * there might be more events to service. + */ + temp &= ~ERST_EHB; + xhci_dbg(xhci, "// Write event ring dequeue pointer, " + "preserving EHB bit\n"); + xhci_write_64(xhci, ((u64) deq & (u64) ~ERST_PTR_MASK) | temp, + &xhci->ir_set->erst_dequeue); +} + int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) { diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 11482b6..f7efe02 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -53,6 +53,7 @@ static int xhci_pci_setup(struct usb_hcd *hcd) struct xhci_hcd *xhci = hcd_to_xhci(hcd); struct pci_dev *pdev = to_pci_dev(hcd->self.controller); int retval; + u32 temp; hcd->self.sg_tablesize = TRBS_PER_SEGMENT - 2; @@ -93,6 +94,14 @@ static int xhci_pci_setup(struct usb_hcd *hcd) return retval; xhci_dbg(xhci, "Reset complete\n"); + temp = xhci_readl(xhci, &xhci->cap_regs->hcc_params); + if (HCC_64BIT_ADDR(temp)) { + xhci_dbg(xhci, "Enabling 64-bit DMA addresses.\n"); + dma_set_mask(hcd->self.controller, DMA_BIT_MASK(64)); + } else { + dma_set_mask(hcd->self.controller, DMA_BIT_MASK(32)); + } + xhci_dbg(xhci, "Calling HCD init\n"); /* Initialize HCD and host controller data structures. */ retval = xhci_init(hcd); diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index bfc99a9..bc3f4f4 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -301,28 +301,6 @@ static int room_on_ring(struct xhci_hcd *xhci, struct xhci_ring *ring, return 1; } -void xhci_set_hc_event_deq(struct xhci_hcd *xhci) -{ - u64 temp; - dma_addr_t deq; - - deq = xhci_trb_virt_to_dma(xhci->event_ring->deq_seg, - xhci->event_ring->dequeue); - if (deq == 0 && !in_interrupt()) - xhci_warn(xhci, "WARN something wrong with SW event ring " - "dequeue ptr.\n"); - /* Update HC event ring dequeue pointer */ - temp = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue); - temp &= ERST_PTR_MASK; - /* Don't clear the EHB bit (which is RW1C) because - * there might be more events to service. - */ - temp &= ~ERST_EHB; - xhci_dbg(xhci, "// Write event ring dequeue pointer, preserving EHB bit\n"); - xhci_write_64(xhci, ((u64) deq & (u64) ~ERST_PTR_MASK) | temp, - &xhci->ir_set->erst_dequeue); -} - /* Ring the host controller doorbell after placing a command on the ring */ void xhci_ring_cmd_db(struct xhci_hcd *xhci) { @@ -359,11 +337,6 @@ static void ring_ep_doorbell(struct xhci_hcd *xhci, field = xhci_readl(xhci, db_addr) & DB_MASK; field |= EPI_TO_DB(ep_index) | STREAM_ID_TO_DB(stream_id); xhci_writel(xhci, field, db_addr); - /* Flush PCI posted writes - FIXME Matthew Wilcox says this - * isn't time-critical and we shouldn't make the CPU wait for - * the flush. - */ - xhci_readl(xhci, db_addr); } } @@ -419,6 +392,50 @@ static struct xhci_segment *find_trb_seg( return cur_seg; } + +static struct xhci_ring *xhci_triad_to_transfer_ring(struct xhci_hcd *xhci, + unsigned int slot_id, unsigned int ep_index, + unsigned int stream_id) +{ + struct xhci_virt_ep *ep; + + ep = &xhci->devs[slot_id]->eps[ep_index]; + /* Common case: no streams */ + if (!(ep->ep_state & EP_HAS_STREAMS)) + return ep->ring; + + if (stream_id == 0) { + xhci_warn(xhci, + "WARN: Slot ID %u, ep index %u has streams, " + "but URB has no stream ID.\n", + slot_id, ep_index); + return NULL; + } + + if (stream_id < ep->stream_info->num_streams) + return ep->stream_info->stream_rings[stream_id]; + + xhci_warn(xhci, + "WARN: Slot ID %u, ep index %u has " + "stream IDs 1 to %u allocated, " + "but stream ID %u is requested.\n", + slot_id, ep_index, + ep->stream_info->num_streams - 1, + stream_id); + return NULL; +} + +/* Get the right ring for the given URB. + * If the endpoint supports streams, boundary check the URB's stream ID. + * If the endpoint doesn't support streams, return the singular endpoint ring. + */ +static struct xhci_ring *xhci_urb_to_transfer_ring(struct xhci_hcd *xhci, + struct urb *urb) +{ + return xhci_triad_to_transfer_ring(xhci, urb->dev->slot_id, + xhci_get_endpoint_index(&urb->ep->desc), urb->stream_id); +} + /* * Move the xHC's endpoint ring dequeue pointer past cur_td. * Record the new state of the xHC's endpoint ring dequeue segment, @@ -578,16 +595,24 @@ static void xhci_giveback_urb_in_irq(struct xhci_hcd *xhci, struct xhci_td *cur_td, int status, char *adjective) { struct usb_hcd *hcd = xhci_to_hcd(xhci); + struct urb *urb; + struct urb_priv *urb_priv; - cur_td->urb->hcpriv = NULL; - usb_hcd_unlink_urb_from_ep(hcd, cur_td->urb); - xhci_dbg(xhci, "Giveback %s URB %p\n", adjective, cur_td->urb); + urb = cur_td->urb; + urb_priv = urb->hcpriv; + urb_priv->td_cnt++; - spin_unlock(&xhci->lock); - usb_hcd_giveback_urb(hcd, cur_td->urb, status); - kfree(cur_td); - spin_lock(&xhci->lock); - xhci_dbg(xhci, "%s URB given back\n", adjective); + /* Only giveback urb when this is the last td in urb */ + if (urb_priv->td_cnt == urb_priv->length) { + usb_hcd_unlink_urb_from_ep(hcd, urb); + xhci_dbg(xhci, "Giveback %s URB %p\n", adjective, urb); + + spin_unlock(&xhci->lock); + usb_hcd_giveback_urb(hcd, urb, status); + xhci_urb_free_priv(xhci, urb_priv); + spin_lock(&xhci->lock); + xhci_dbg(xhci, "%s URB given back\n", adjective); + } } /* @@ -1132,7 +1157,6 @@ static void handle_port_status(struct xhci_hcd *xhci, /* Update event ring dequeue pointer before dropping the lock */ inc_deq(xhci, xhci->event_ring, true); - xhci_set_hc_event_deq(xhci); spin_unlock(&xhci->lock); /* Pass this up to the core */ @@ -1258,6 +1282,421 @@ int xhci_is_vendor_info_code(struct xhci_hcd *xhci, unsigned int trb_comp_code) } /* + * Finish the td processing, remove the td from td list; + * Return 1 if the urb can be given back. + */ +static int finish_td(struct xhci_hcd *xhci, struct xhci_td *td, + union xhci_trb *event_trb, struct xhci_transfer_event *event, + struct xhci_virt_ep *ep, int *status, bool skip) +{ + struct xhci_virt_device *xdev; + struct xhci_ring *ep_ring; + unsigned int slot_id; + int ep_index; + struct urb *urb = NULL; + struct xhci_ep_ctx *ep_ctx; + int ret = 0; + struct urb_priv *urb_priv; + u32 trb_comp_code; + + slot_id = TRB_TO_SLOT_ID(event->flags); + xdev = xhci->devs[slot_id]; + ep_index = TRB_TO_EP_ID(event->flags) - 1; + ep_ring = xhci_dma_to_transfer_ring(ep, event->buffer); + ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index); + trb_comp_code = GET_COMP_CODE(event->transfer_len); + + if (skip) + goto td_cleanup; + + if (trb_comp_code == COMP_STOP_INVAL || + trb_comp_code == COMP_STOP) { + /* The Endpoint Stop Command completion will take care of any + * stopped TDs. A stopped TD may be restarted, so don't update + * the ring dequeue pointer or take this TD off any lists yet. + */ + ep->stopped_td = td; + ep->stopped_trb = event_trb; + return 0; + } else { + if (trb_comp_code == COMP_STALL) { + /* The transfer is completed from the driver's + * perspective, but we need to issue a set dequeue + * command for this stalled endpoint to move the dequeue + * pointer past the TD. We can't do that here because + * the halt condition must be cleared first. Let the + * USB class driver clear the stall later. + */ + ep->stopped_td = td; + ep->stopped_trb = event_trb; + ep->stopped_stream = ep_ring->stream_id; + } else if (xhci_requires_manual_halt_cleanup(xhci, + ep_ctx, trb_comp_code)) { + /* Other types of errors halt the endpoint, but the + * class driver doesn't call usb_reset_endpoint() unless + * the error is -EPIPE. Clear the halted status in the + * xHCI hardware manually. + */ + xhci_cleanup_halted_endpoint(xhci, + slot_id, ep_index, ep_ring->stream_id, + td, event_trb); + } else { + /* Update ring dequeue pointer */ + while (ep_ring->dequeue != td->last_trb) + inc_deq(xhci, ep_ring, false); + inc_deq(xhci, ep_ring, false); + } + +td_cleanup: + /* Clean up the endpoint's TD list */ + urb = td->urb; + urb_priv = urb->hcpriv; + + /* Do one last check of the actual transfer length. + * If the host controller said we transferred more data than + * the buffer length, urb->actual_length will be a very big + * number (since it's unsigned). Play it safe and say we didn't + * transfer anything. + */ + if (urb->actual_length > urb->transfer_buffer_length) { + xhci_warn(xhci, "URB transfer length is wrong, " + "xHC issue? req. len = %u, " + "act. len = %u\n", + urb->transfer_buffer_length, + urb->actual_length); + urb->actual_length = 0; + if (td->urb->transfer_flags & URB_SHORT_NOT_OK) + *status = -EREMOTEIO; + else + *status = 0; + } + list_del(&td->td_list); + /* Was this TD slated to be cancelled but completed anyway? */ + if (!list_empty(&td->cancelled_td_list)) + list_del(&td->cancelled_td_list); + + urb_priv->td_cnt++; + /* Giveback the urb when all the tds are completed */ + if (urb_priv->td_cnt == urb_priv->length) + ret = 1; + } + + return ret; +} + +/* + * Process control tds, update urb status and actual_length. + */ +static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td, + union xhci_trb *event_trb, struct xhci_transfer_event *event, + struct xhci_virt_ep *ep, int *status) +{ + struct xhci_virt_device *xdev; + struct xhci_ring *ep_ring; + unsigned int slot_id; + int ep_index; + struct xhci_ep_ctx *ep_ctx; + u32 trb_comp_code; + + slot_id = TRB_TO_SLOT_ID(event->flags); + xdev = xhci->devs[slot_id]; + ep_index = TRB_TO_EP_ID(event->flags) - 1; + ep_ring = xhci_dma_to_transfer_ring(ep, event->buffer); + ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index); + trb_comp_code = GET_COMP_CODE(event->transfer_len); + + xhci_debug_trb(xhci, xhci->event_ring->dequeue); + switch (trb_comp_code) { + case COMP_SUCCESS: + if (event_trb == ep_ring->dequeue) { + xhci_warn(xhci, "WARN: Success on ctrl setup TRB " + "without IOC set??\n"); + *status = -ESHUTDOWN; + } else if (event_trb != td->last_trb) { + xhci_warn(xhci, "WARN: Success on ctrl data TRB " + "without IOC set??\n"); + *status = -ESHUTDOWN; + } else { + xhci_dbg(xhci, "Successful control transfer!\n"); + *status = 0; + } + break; + case COMP_SHORT_TX: + xhci_warn(xhci, "WARN: short transfer on control ep\n"); + if (td->urb->transfer_flags & URB_SHORT_NOT_OK) + *status = -EREMOTEIO; + else + *status = 0; + break; + default: + if (!xhci_requires_manual_halt_cleanup(xhci, + ep_ctx, trb_comp_code)) + break; + xhci_dbg(xhci, "TRB error code %u, " + "halted endpoint index = %u\n", + trb_comp_code, ep_index); + /* else fall through */ + case COMP_STALL: + /* Did we transfer part of the data (middle) phase? */ + if (event_trb != ep_ring->dequeue && + event_trb != td->last_trb) + td->urb->actual_length = + td->urb->transfer_buffer_length + - TRB_LEN(event->transfer_len); + else + td->urb->actual_length = 0; + + xhci_cleanup_halted_endpoint(xhci, + slot_id, ep_index, 0, td, event_trb); + return finish_td(xhci, td, event_trb, event, ep, status, true); + } + /* + * Did we transfer any data, despite the errors that might have + * happened? I.e. did we get past the setup stage? + */ + if (event_trb != ep_ring->dequeue) { + /* The event was for the status stage */ + if (event_trb == td->last_trb) { + if (td->urb->actual_length != 0) { + /* Don't overwrite a previously set error code + */ + if ((*status == -EINPROGRESS || *status == 0) && + (td->urb->transfer_flags + & URB_SHORT_NOT_OK)) + /* Did we already see a short data + * stage? */ + *status = -EREMOTEIO; + } else { + td->urb->actual_length = + td->urb->transfer_buffer_length; + } + } else { + /* Maybe the event was for the data stage? */ + if (trb_comp_code != COMP_STOP_INVAL) { + /* We didn't stop on a link TRB in the middle */ + td->urb->actual_length = + td->urb->transfer_buffer_length - + TRB_LEN(event->transfer_len); + xhci_dbg(xhci, "Waiting for status " + "stage event\n"); + return 0; + } + } + } + + return finish_td(xhci, td, event_trb, event, ep, status, false); +} + +/* + * Process isochronous tds, update urb packet status and actual_length. + */ +static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td, + union xhci_trb *event_trb, struct xhci_transfer_event *event, + struct xhci_virt_ep *ep, int *status) +{ + struct xhci_ring *ep_ring; + struct urb_priv *urb_priv; + int idx; + int len = 0; + int skip_td = 0; + union xhci_trb *cur_trb; + struct xhci_segment *cur_seg; + u32 trb_comp_code; + + ep_ring = xhci_dma_to_transfer_ring(ep, event->buffer); + trb_comp_code = GET_COMP_CODE(event->transfer_len); + urb_priv = td->urb->hcpriv; + idx = urb_priv->td_cnt; + + if (ep->skip) { + /* The transfer is partly done */ + *status = -EXDEV; + td->urb->iso_frame_desc[idx].status = -EXDEV; + } else { + /* handle completion code */ + switch (trb_comp_code) { + case COMP_SUCCESS: + td->urb->iso_frame_desc[idx].status = 0; + xhci_dbg(xhci, "Successful isoc transfer!\n"); + break; + case COMP_SHORT_TX: + if (td->urb->transfer_flags & URB_SHORT_NOT_OK) + td->urb->iso_frame_desc[idx].status = + -EREMOTEIO; + else + td->urb->iso_frame_desc[idx].status = 0; + break; + case COMP_BW_OVER: + td->urb->iso_frame_desc[idx].status = -ECOMM; + skip_td = 1; + break; + case COMP_BUFF_OVER: + case COMP_BABBLE: + td->urb->iso_frame_desc[idx].status = -EOVERFLOW; + skip_td = 1; + break; + case COMP_STALL: + td->urb->iso_frame_desc[idx].status = -EPROTO; + skip_td = 1; + break; + case COMP_STOP: + case COMP_STOP_INVAL: + break; + default: + td->urb->iso_frame_desc[idx].status = -1; + break; + } + } + + /* calc actual length */ + if (ep->skip) { + td->urb->iso_frame_desc[idx].actual_length = 0; + return finish_td(xhci, td, event_trb, event, ep, status, true); + } + + if (trb_comp_code == COMP_SUCCESS || skip_td == 1) { + td->urb->iso_frame_desc[idx].actual_length = + td->urb->iso_frame_desc[idx].length; + td->urb->actual_length += + td->urb->iso_frame_desc[idx].length; + } else { + for (cur_trb = ep_ring->dequeue, + cur_seg = ep_ring->deq_seg; cur_trb != event_trb; + next_trb(xhci, ep_ring, &cur_seg, &cur_trb)) { + if ((cur_trb->generic.field[3] & + TRB_TYPE_BITMASK) != TRB_TYPE(TRB_TR_NOOP) && + (cur_trb->generic.field[3] & + TRB_TYPE_BITMASK) != TRB_TYPE(TRB_LINK)) + len += + TRB_LEN(cur_trb->generic.field[2]); + } + len += TRB_LEN(cur_trb->generic.field[2]) - + TRB_LEN(event->transfer_len); + + if (trb_comp_code != COMP_STOP_INVAL) { + td->urb->iso_frame_desc[idx].actual_length = len; + td->urb->actual_length += len; + } + } + + if ((idx == urb_priv->length - 1) && *status == -EINPROGRESS) + *status = 0; + + return finish_td(xhci, td, event_trb, event, ep, status, false); +} + +/* + * Process bulk and interrupt tds, update urb status and actual_length. + */ +static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td, + union xhci_trb *event_trb, struct xhci_transfer_event *event, + struct xhci_virt_ep *ep, int *status) +{ + struct xhci_ring *ep_ring; + union xhci_trb *cur_trb; + struct xhci_segment *cur_seg; + u32 trb_comp_code; + + ep_ring = xhci_dma_to_transfer_ring(ep, event->buffer); + trb_comp_code = GET_COMP_CODE(event->transfer_len); + + switch (trb_comp_code) { + case COMP_SUCCESS: + /* Double check that the HW transferred everything. */ + if (event_trb != td->last_trb) { + xhci_warn(xhci, "WARN Successful completion " + "on short TX\n"); + if (td->urb->transfer_flags & URB_SHORT_NOT_OK) + *status = -EREMOTEIO; + else + *status = 0; + } else { + if (usb_endpoint_xfer_bulk(&td->urb->ep->desc)) + xhci_dbg(xhci, "Successful bulk " + "transfer!\n"); + else + xhci_dbg(xhci, "Successful interrupt " + "transfer!\n"); + *status = 0; + } + break; + case COMP_SHORT_TX: + if (td->urb->transfer_flags & URB_SHORT_NOT_OK) + *status = -EREMOTEIO; + else + *status = 0; + break; + default: + /* Others already handled above */ + break; + } + dev_dbg(&td->urb->dev->dev, + "ep %#x - asked for %d bytes, " + "%d bytes untransferred\n", + td->urb->ep->desc.bEndpointAddress, + td->urb->transfer_buffer_length, + TRB_LEN(event->transfer_len)); + /* Fast path - was this the last TRB in the TD for this URB? */ + if (event_trb == td->last_trb) { + if (TRB_LEN(event->transfer_len) != 0) { + td->urb->actual_length = + td->urb->transfer_buffer_length - + TRB_LEN(event->transfer_len); + if (td->urb->transfer_buffer_length < + td->urb->actual_length) { + xhci_warn(xhci, "HC gave bad length " + "of %d bytes left\n", + TRB_LEN(event->transfer_len)); + td->urb->actual_length = 0; + if (td->urb->transfer_flags & URB_SHORT_NOT_OK) + *status = -EREMOTEIO; + else + *status = 0; + } + /* Don't overwrite a previously set error code */ + if (*status == -EINPROGRESS) { + if (td->urb->transfer_flags & URB_SHORT_NOT_OK) + *status = -EREMOTEIO; + else + *status = 0; + } + } else { + td->urb->actual_length = + td->urb->transfer_buffer_length; + /* Ignore a short packet completion if the + * untransferred length was zero. + */ + if (*status == -EREMOTEIO) + *status = 0; + } + } else { + /* Slow path - walk the list, starting from the dequeue + * pointer, to get the actual length transferred. + */ + td->urb->actual_length = 0; + for (cur_trb = ep_ring->dequeue, cur_seg = ep_ring->deq_seg; + cur_trb != event_trb; + next_trb(xhci, ep_ring, &cur_seg, &cur_trb)) { + if ((cur_trb->generic.field[3] & + TRB_TYPE_BITMASK) != TRB_TYPE(TRB_TR_NOOP) && + (cur_trb->generic.field[3] & + TRB_TYPE_BITMASK) != TRB_TYPE(TRB_LINK)) + td->urb->actual_length += + TRB_LEN(cur_trb->generic.field[2]); + } + /* If the ring didn't stop on a Link or No-op TRB, add + * in the actual bytes transferred from the Normal TRB + */ + if (trb_comp_code != COMP_STOP_INVAL) + td->urb->actual_length += + TRB_LEN(cur_trb->generic.field[2]) - + TRB_LEN(event->transfer_len); + } + + return finish_td(xhci, td, event_trb, event, ep, status, false); +} + +/* * If this function returns an error condition, it means it got a Transfer * event with a corrupted Slot ID, Endpoint ID, or TRB DMA address. * At this point, the host controller is probably hosed and should be reset. @@ -1276,10 +1715,11 @@ static int handle_tx_event(struct xhci_hcd *xhci, union xhci_trb *event_trb; struct urb *urb = NULL; int status = -EINPROGRESS; + struct urb_priv *urb_priv; struct xhci_ep_ctx *ep_ctx; u32 trb_comp_code; + int ret = 0; - xhci_dbg(xhci, "In %s\n", __func__); slot_id = TRB_TO_SLOT_ID(event->flags); xdev = xhci->devs[slot_id]; if (!xdev) { @@ -1293,51 +1733,16 @@ static int handle_tx_event(struct xhci_hcd *xhci, ep = &xdev->eps[ep_index]; ep_ring = xhci_dma_to_transfer_ring(ep, event->buffer); ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index); - if (!ep_ring || (ep_ctx->ep_info & EP_STATE_MASK) == EP_STATE_DISABLED) { + if (!ep_ring || + (ep_ctx->ep_info & EP_STATE_MASK) == EP_STATE_DISABLED) { xhci_err(xhci, "ERROR Transfer event for disabled endpoint " "or incorrect stream ring\n"); return -ENODEV; } event_dma = event->buffer; - /* This TRB should be in the TD at the head of this ring's TD list */ - xhci_dbg(xhci, "%s - checking for list empty\n", __func__); - if (list_empty(&ep_ring->td_list)) { - xhci_warn(xhci, "WARN Event TRB for slot %d ep %d with no TDs queued?\n", - TRB_TO_SLOT_ID(event->flags), ep_index); - xhci_dbg(xhci, "Event TRB with TRB type ID %u\n", - (unsigned int) (event->flags & TRB_TYPE_BITMASK)>>10); - xhci_print_trb_offsets(xhci, (union xhci_trb *) event); - urb = NULL; - goto cleanup; - } - xhci_dbg(xhci, "%s - getting list entry\n", __func__); - td = list_entry(ep_ring->td_list.next, struct xhci_td, td_list); - - /* Is this a TRB in the currently executing TD? */ - xhci_dbg(xhci, "%s - looking for TD\n", __func__); - event_seg = trb_in_td(ep_ring->deq_seg, ep_ring->dequeue, - td->last_trb, event_dma); - xhci_dbg(xhci, "%s - found event_seg = %p\n", __func__, event_seg); - if (!event_seg) { - /* HC is busted, give up! */ - xhci_err(xhci, "ERROR Transfer event TRB DMA ptr not part of current TD\n"); - return -ESHUTDOWN; - } - event_trb = &event_seg->trbs[(event_dma - event_seg->dma) / sizeof(*event_trb)]; - xhci_dbg(xhci, "Event TRB with TRB type ID %u\n", - (unsigned int) (event->flags & TRB_TYPE_BITMASK)>>10); - xhci_dbg(xhci, "Offset 0x00 (buffer lo) = 0x%x\n", - lower_32_bits(event->buffer)); - xhci_dbg(xhci, "Offset 0x04 (buffer hi) = 0x%x\n", - upper_32_bits(event->buffer)); - xhci_dbg(xhci, "Offset 0x08 (transfer length) = 0x%x\n", - (unsigned int) event->transfer_len); - xhci_dbg(xhci, "Offset 0x0C (flags) = 0x%x\n", - (unsigned int) event->flags); - - /* Look for common error cases */ trb_comp_code = GET_COMP_CODE(event->transfer_len); + /* Look for common error cases */ switch (trb_comp_code) { /* Skip codes that require special handling depending on * transfer type @@ -1373,278 +1778,156 @@ static int handle_tx_event(struct xhci_hcd *xhci, xhci_warn(xhci, "WARN: HC couldn't access mem fast enough\n"); status = -ENOSR; break; + case COMP_BW_OVER: + xhci_warn(xhci, "WARN: bandwidth overrun event on endpoint\n"); + break; + case COMP_BUFF_OVER: + xhci_warn(xhci, "WARN: buffer overrun event on endpoint\n"); + break; + case COMP_UNDERRUN: + /* + * When the Isoch ring is empty, the xHC will generate + * a Ring Overrun Event for IN Isoch endpoint or Ring + * Underrun Event for OUT Isoch endpoint. + */ + xhci_dbg(xhci, "underrun event on endpoint\n"); + if (!list_empty(&ep_ring->td_list)) + xhci_dbg(xhci, "Underrun Event for slot %d ep %d " + "still with TDs queued?\n", + TRB_TO_SLOT_ID(event->flags), ep_index); + goto cleanup; + case COMP_OVERRUN: + xhci_dbg(xhci, "overrun event on endpoint\n"); + if (!list_empty(&ep_ring->td_list)) + xhci_dbg(xhci, "Overrun Event for slot %d ep %d " + "still with TDs queued?\n", + TRB_TO_SLOT_ID(event->flags), ep_index); + goto cleanup; + case COMP_MISSED_INT: + /* + * When encounter missed service error, one or more isoc tds + * may be missed by xHC. + * Set skip flag of the ep_ring; Complete the missed tds as + * short transfer when process the ep_ring next time. + */ + ep->skip = true; + xhci_dbg(xhci, "Miss service interval error, set skip flag\n"); + goto cleanup; default: if (xhci_is_vendor_info_code(xhci, trb_comp_code)) { status = 0; break; } - xhci_warn(xhci, "ERROR Unknown event condition, HC probably busted\n"); - urb = NULL; + xhci_warn(xhci, "ERROR Unknown event condition, HC probably " + "busted\n"); goto cleanup; } - /* Now update the urb's actual_length and give back to the core */ - /* Was this a control transfer? */ - if (usb_endpoint_xfer_control(&td->urb->ep->desc)) { - xhci_debug_trb(xhci, xhci->event_ring->dequeue); - switch (trb_comp_code) { - case COMP_SUCCESS: - if (event_trb == ep_ring->dequeue) { - xhci_warn(xhci, "WARN: Success on ctrl setup TRB without IOC set??\n"); - status = -ESHUTDOWN; - } else if (event_trb != td->last_trb) { - xhci_warn(xhci, "WARN: Success on ctrl data TRB without IOC set??\n"); - status = -ESHUTDOWN; - } else { - xhci_dbg(xhci, "Successful control transfer!\n"); - status = 0; - } - break; - case COMP_SHORT_TX: - xhci_warn(xhci, "WARN: short transfer on control ep\n"); - if (td->urb->transfer_flags & URB_SHORT_NOT_OK) - status = -EREMOTEIO; - else - status = 0; - break; - default: - if (!xhci_requires_manual_halt_cleanup(xhci, - ep_ctx, trb_comp_code)) - break; - xhci_dbg(xhci, "TRB error code %u, " - "halted endpoint index = %u\n", - trb_comp_code, ep_index); - /* else fall through */ - case COMP_STALL: - /* Did we transfer part of the data (middle) phase? */ - if (event_trb != ep_ring->dequeue && - event_trb != td->last_trb) - td->urb->actual_length = - td->urb->transfer_buffer_length - - TRB_LEN(event->transfer_len); - else - td->urb->actual_length = 0; - - xhci_cleanup_halted_endpoint(xhci, - slot_id, ep_index, 0, td, event_trb); - goto td_cleanup; - } - /* - * Did we transfer any data, despite the errors that might have - * happened? I.e. did we get past the setup stage? + do { + /* This TRB should be in the TD at the head of this ring's + * TD list. */ - if (event_trb != ep_ring->dequeue) { - /* The event was for the status stage */ - if (event_trb == td->last_trb) { - if (td->urb->actual_length != 0) { - /* Don't overwrite a previously set error code */ - if ((status == -EINPROGRESS || - status == 0) && - (td->urb->transfer_flags - & URB_SHORT_NOT_OK)) - /* Did we already see a short data stage? */ - status = -EREMOTEIO; - } else { - td->urb->actual_length = - td->urb->transfer_buffer_length; - } - } else { - /* Maybe the event was for the data stage? */ - if (trb_comp_code != COMP_STOP_INVAL) { - /* We didn't stop on a link TRB in the middle */ - td->urb->actual_length = - td->urb->transfer_buffer_length - - TRB_LEN(event->transfer_len); - xhci_dbg(xhci, "Waiting for status stage event\n"); - urb = NULL; - goto cleanup; - } + if (list_empty(&ep_ring->td_list)) { + xhci_warn(xhci, "WARN Event TRB for slot %d ep %d " + "with no TDs queued?\n", + TRB_TO_SLOT_ID(event->flags), ep_index); + xhci_dbg(xhci, "Event TRB with TRB type ID %u\n", + (unsigned int) (event->flags & TRB_TYPE_BITMASK)>>10); + xhci_print_trb_offsets(xhci, (union xhci_trb *) event); + if (ep->skip) { + ep->skip = false; + xhci_dbg(xhci, "td_list is empty while skip " + "flag set. Clear skip flag.\n"); } + ret = 0; + goto cleanup; } - } else { - switch (trb_comp_code) { - case COMP_SUCCESS: - /* Double check that the HW transferred everything. */ - if (event_trb != td->last_trb) { - xhci_warn(xhci, "WARN Successful completion " - "on short TX\n"); - if (td->urb->transfer_flags & URB_SHORT_NOT_OK) - status = -EREMOTEIO; - else - status = 0; - } else { - if (usb_endpoint_xfer_bulk(&td->urb->ep->desc)) - xhci_dbg(xhci, "Successful bulk " - "transfer!\n"); - else - xhci_dbg(xhci, "Successful interrupt " - "transfer!\n"); - status = 0; - } - break; - case COMP_SHORT_TX: - if (td->urb->transfer_flags & URB_SHORT_NOT_OK) - status = -EREMOTEIO; - else - status = 0; - break; - default: - /* Others already handled above */ - break; + + td = list_entry(ep_ring->td_list.next, struct xhci_td, td_list); + /* Is this a TRB in the currently executing TD? */ + event_seg = trb_in_td(ep_ring->deq_seg, ep_ring->dequeue, + td->last_trb, event_dma); + if (event_seg && ep->skip) { + xhci_dbg(xhci, "Found td. Clear skip flag.\n"); + ep->skip = false; + } + if (!event_seg && + (!ep->skip || !usb_endpoint_xfer_isoc(&td->urb->ep->desc))) { + /* HC is busted, give up! */ + xhci_err(xhci, "ERROR Transfer event TRB DMA ptr not " + "part of current TD\n"); + return -ESHUTDOWN; } - dev_dbg(&td->urb->dev->dev, - "ep %#x - asked for %d bytes, " - "%d bytes untransferred\n", - td->urb->ep->desc.bEndpointAddress, - td->urb->transfer_buffer_length, - TRB_LEN(event->transfer_len)); - /* Fast path - was this the last TRB in the TD for this URB? */ - if (event_trb == td->last_trb) { - if (TRB_LEN(event->transfer_len) != 0) { - td->urb->actual_length = - td->urb->transfer_buffer_length - - TRB_LEN(event->transfer_len); - if (td->urb->transfer_buffer_length < - td->urb->actual_length) { - xhci_warn(xhci, "HC gave bad length " - "of %d bytes left\n", - TRB_LEN(event->transfer_len)); - td->urb->actual_length = 0; - if (td->urb->transfer_flags & - URB_SHORT_NOT_OK) - status = -EREMOTEIO; - else - status = 0; - } - /* Don't overwrite a previously set error code */ - if (status == -EINPROGRESS) { - if (td->urb->transfer_flags & URB_SHORT_NOT_OK) - status = -EREMOTEIO; - else - status = 0; - } - } else { - td->urb->actual_length = td->urb->transfer_buffer_length; - /* Ignore a short packet completion if the - * untransferred length was zero. - */ - if (status == -EREMOTEIO) - status = 0; - } - } else { - /* Slow path - walk the list, starting from the dequeue - * pointer, to get the actual length transferred. - */ - union xhci_trb *cur_trb; - struct xhci_segment *cur_seg; - td->urb->actual_length = 0; - for (cur_trb = ep_ring->dequeue, cur_seg = ep_ring->deq_seg; - cur_trb != event_trb; - next_trb(xhci, ep_ring, &cur_seg, &cur_trb)) { - if ((cur_trb->generic.field[3] & - TRB_TYPE_BITMASK) != TRB_TYPE(TRB_TR_NOOP) && - (cur_trb->generic.field[3] & - TRB_TYPE_BITMASK) != TRB_TYPE(TRB_LINK)) - td->urb->actual_length += - TRB_LEN(cur_trb->generic.field[2]); - } - /* If the ring didn't stop on a Link or No-op TRB, add - * in the actual bytes transferred from the Normal TRB + if (event_seg) { + event_trb = &event_seg->trbs[(event_dma - + event_seg->dma) / sizeof(*event_trb)]; + /* + * No-op TRB should not trigger interrupts. + * If event_trb is a no-op TRB, it means the + * corresponding TD has been cancelled. Just ignore + * the TD. */ - if (trb_comp_code != COMP_STOP_INVAL) - td->urb->actual_length += - TRB_LEN(cur_trb->generic.field[2]) - - TRB_LEN(event->transfer_len); + if ((event_trb->generic.field[3] & TRB_TYPE_BITMASK) + == TRB_TYPE(TRB_TR_NOOP)) { + xhci_dbg(xhci, "event_trb is a no-op TRB. " + "Skip it\n"); + goto cleanup; + } } - } - if (trb_comp_code == COMP_STOP_INVAL || - trb_comp_code == COMP_STOP) { - /* The Endpoint Stop Command completion will take care of any - * stopped TDs. A stopped TD may be restarted, so don't update - * the ring dequeue pointer or take this TD off any lists yet. + + /* Now update the urb's actual_length and give back to + * the core */ - ep->stopped_td = td; - ep->stopped_trb = event_trb; - } else { - if (trb_comp_code == COMP_STALL) { - /* The transfer is completed from the driver's - * perspective, but we need to issue a set dequeue - * command for this stalled endpoint to move the dequeue - * pointer past the TD. We can't do that here because - * the halt condition must be cleared first. Let the - * USB class driver clear the stall later. - */ - ep->stopped_td = td; - ep->stopped_trb = event_trb; - ep->stopped_stream = ep_ring->stream_id; - } else if (xhci_requires_manual_halt_cleanup(xhci, - ep_ctx, trb_comp_code)) { - /* Other types of errors halt the endpoint, but the - * class driver doesn't call usb_reset_endpoint() unless - * the error is -EPIPE. Clear the halted status in the - * xHCI hardware manually. - */ - xhci_cleanup_halted_endpoint(xhci, - slot_id, ep_index, ep_ring->stream_id, td, event_trb); - } else { - /* Update ring dequeue pointer */ - while (ep_ring->dequeue != td->last_trb) - inc_deq(xhci, ep_ring, false); - inc_deq(xhci, ep_ring, false); - } + if (usb_endpoint_xfer_control(&td->urb->ep->desc)) + ret = process_ctrl_td(xhci, td, event_trb, event, ep, + &status); + else if (usb_endpoint_xfer_isoc(&td->urb->ep->desc)) + ret = process_isoc_td(xhci, td, event_trb, event, ep, + &status); + else + ret = process_bulk_intr_td(xhci, td, event_trb, event, + ep, &status); -td_cleanup: - /* Clean up the endpoint's TD list */ - urb = td->urb; - /* Do one last check of the actual transfer length. - * If the host controller said we transferred more data than - * the buffer length, urb->actual_length will be a very big - * number (since it's unsigned). Play it safe and say we didn't - * transfer anything. +cleanup: + /* + * Do not update event ring dequeue pointer if ep->skip is set. + * Will roll back to continue process missed tds. */ - if (urb->actual_length > urb->transfer_buffer_length) { - xhci_warn(xhci, "URB transfer length is wrong, " - "xHC issue? req. len = %u, " - "act. len = %u\n", - urb->transfer_buffer_length, - urb->actual_length); - urb->actual_length = 0; - if (td->urb->transfer_flags & URB_SHORT_NOT_OK) - status = -EREMOTEIO; - else - status = 0; + if (trb_comp_code == COMP_MISSED_INT || !ep->skip) { + inc_deq(xhci, xhci->event_ring, true); } - list_del(&td->td_list); - /* Was this TD slated to be cancelled but completed anyway? */ - if (!list_empty(&td->cancelled_td_list)) - list_del(&td->cancelled_td_list); - /* Leave the TD around for the reset endpoint function to use - * (but only if it's not a control endpoint, since we already - * queued the Set TR dequeue pointer command for stalled - * control endpoints). - */ - if (usb_endpoint_xfer_control(&urb->ep->desc) || - (trb_comp_code != COMP_STALL && - trb_comp_code != COMP_BABBLE)) { - kfree(td); + if (ret) { + urb = td->urb; + urb_priv = urb->hcpriv; + /* Leave the TD around for the reset endpoint function + * to use(but only if it's not a control endpoint, + * since we already queued the Set TR dequeue pointer + * command for stalled control endpoints). + */ + if (usb_endpoint_xfer_control(&urb->ep->desc) || + (trb_comp_code != COMP_STALL && + trb_comp_code != COMP_BABBLE)) + xhci_urb_free_priv(xhci, urb_priv); + + usb_hcd_unlink_urb_from_ep(xhci_to_hcd(xhci), urb); + xhci_dbg(xhci, "Giveback URB %p, len = %d, " + "status = %d\n", + urb, urb->actual_length, status); + spin_unlock(&xhci->lock); + usb_hcd_giveback_urb(xhci_to_hcd(xhci), urb, status); + spin_lock(&xhci->lock); } - urb->hcpriv = NULL; - } -cleanup: - inc_deq(xhci, xhci->event_ring, true); - xhci_set_hc_event_deq(xhci); - /* FIXME for multi-TD URBs (who have buffers bigger than 64MB) */ - if (urb) { - usb_hcd_unlink_urb_from_ep(xhci_to_hcd(xhci), urb); - xhci_dbg(xhci, "Giveback URB %p, len = %d, status = %d\n", - urb, urb->actual_length, status); - spin_unlock(&xhci->lock); - usb_hcd_giveback_urb(xhci_to_hcd(xhci), urb, status); - spin_lock(&xhci->lock); - } + /* + * If ep->skip is set, it means there are missed tds on the + * endpoint ring need to take care of. + * Process them as short transfer until reach the td pointed by + * the event. + */ + } while (ep->skip && trb_comp_code != COMP_MISSED_INT); + return 0; } @@ -1652,7 +1935,7 @@ cleanup: * This function handles all OS-owned events on the event ring. It may drop * xhci->lock between event processing (e.g. to pass up port status changes). */ -void xhci_handle_event(struct xhci_hcd *xhci) +static void xhci_handle_event(struct xhci_hcd *xhci) { union xhci_trb *event; int update_ptrs = 1; @@ -1710,15 +1993,130 @@ void xhci_handle_event(struct xhci_hcd *xhci) return; } - if (update_ptrs) { - /* Update SW and HC event ring dequeue pointer */ + if (update_ptrs) + /* Update SW event ring dequeue pointer */ inc_deq(xhci, xhci->event_ring, true); - xhci_set_hc_event_deq(xhci); - } + /* Are there more items on the event ring? */ xhci_handle_event(xhci); } +/* + * xHCI spec says we can get an interrupt, and if the HC has an error condition, + * we might get bad data out of the event ring. Section 4.10.2.7 has a list of + * indicators of an event TRB error, but we check the status *first* to be safe. + */ +irqreturn_t xhci_irq(struct usb_hcd *hcd) +{ + struct xhci_hcd *xhci = hcd_to_xhci(hcd); + u32 status; + union xhci_trb *trb; + u64 temp_64; + union xhci_trb *event_ring_deq; + dma_addr_t deq; + + spin_lock(&xhci->lock); + trb = xhci->event_ring->dequeue; + /* Check if the xHC generated the interrupt, or the irq is shared */ + status = xhci_readl(xhci, &xhci->op_regs->status); + if (status == 0xffffffff) + goto hw_died; + + if (!(status & STS_EINT)) { + spin_unlock(&xhci->lock); + xhci_warn(xhci, "Spurious interrupt.\n"); + return IRQ_NONE; + } + xhci_dbg(xhci, "op reg status = %08x\n", status); + xhci_dbg(xhci, "Event ring dequeue ptr:\n"); + xhci_dbg(xhci, "@%llx %08x %08x %08x %08x\n", + (unsigned long long) + xhci_trb_virt_to_dma(xhci->event_ring->deq_seg, trb), + lower_32_bits(trb->link.segment_ptr), + upper_32_bits(trb->link.segment_ptr), + (unsigned int) trb->link.intr_target, + (unsigned int) trb->link.control); + + if (status & STS_FATAL) { + xhci_warn(xhci, "WARNING: Host System Error\n"); + xhci_halt(xhci); +hw_died: + xhci_to_hcd(xhci)->state = HC_STATE_HALT; + spin_unlock(&xhci->lock); + return -ESHUTDOWN; + } + + /* + * Clear the op reg interrupt status first, + * so we can receive interrupts from other MSI-X interrupters. + * Write 1 to clear the interrupt status. + */ + status |= STS_EINT; + xhci_writel(xhci, status, &xhci->op_regs->status); + /* FIXME when MSI-X is supported and there are multiple vectors */ + /* Clear the MSI-X event interrupt status */ + + if (hcd->irq != -1) { + u32 irq_pending; + /* Acknowledge the PCI interrupt */ + irq_pending = xhci_readl(xhci, &xhci->ir_set->irq_pending); + irq_pending |= 0x3; + xhci_writel(xhci, irq_pending, &xhci->ir_set->irq_pending); + } + + if (xhci->xhc_state & XHCI_STATE_DYING) { + xhci_dbg(xhci, "xHCI dying, ignoring interrupt. " + "Shouldn't IRQs be disabled?\n"); + /* Clear the event handler busy flag (RW1C); + * the event ring should be empty. + */ + temp_64 = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue); + xhci_write_64(xhci, temp_64 | ERST_EHB, + &xhci->ir_set->erst_dequeue); + spin_unlock(&xhci->lock); + + return IRQ_HANDLED; + } + + event_ring_deq = xhci->event_ring->dequeue; + /* FIXME this should be a delayed service routine + * that clears the EHB. + */ + xhci_handle_event(xhci); + + temp_64 = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue); + /* If necessary, update the HW's version of the event ring deq ptr. */ + if (event_ring_deq != xhci->event_ring->dequeue) { + deq = xhci_trb_virt_to_dma(xhci->event_ring->deq_seg, + xhci->event_ring->dequeue); + if (deq == 0) + xhci_warn(xhci, "WARN something wrong with SW event " + "ring dequeue ptr.\n"); + /* Update HC event ring dequeue pointer */ + temp_64 &= ERST_PTR_MASK; + temp_64 |= ((u64) deq & (u64) ~ERST_PTR_MASK); + } + + /* Clear the event handler busy flag (RW1C); event ring is empty. */ + temp_64 |= ERST_EHB; + xhci_write_64(xhci, temp_64, &xhci->ir_set->erst_dequeue); + + spin_unlock(&xhci->lock); + + return IRQ_HANDLED; +} + +irqreturn_t xhci_msi_irq(int irq, struct usb_hcd *hcd) +{ + irqreturn_t ret; + + set_bit(HCD_FLAG_SAW_IRQ, &hcd->flags); + + ret = xhci_irq(hcd); + + return ret; +} + /**** Endpoint Ring Operations ****/ /* @@ -1827,10 +2225,12 @@ static int prepare_transfer(struct xhci_hcd *xhci, unsigned int stream_id, unsigned int num_trbs, struct urb *urb, - struct xhci_td **td, + unsigned int td_index, gfp_t mem_flags) { int ret; + struct urb_priv *urb_priv; + struct xhci_td *td; struct xhci_ring *ep_ring; struct xhci_ep_ctx *ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index); @@ -1846,24 +2246,29 @@ static int prepare_transfer(struct xhci_hcd *xhci, num_trbs, mem_flags); if (ret) return ret; - *td = kzalloc(sizeof(struct xhci_td), mem_flags); - if (!*td) - return -ENOMEM; - INIT_LIST_HEAD(&(*td)->td_list); - INIT_LIST_HEAD(&(*td)->cancelled_td_list); - ret = usb_hcd_link_urb_to_ep(xhci_to_hcd(xhci), urb); - if (unlikely(ret)) { - kfree(*td); - return ret; + urb_priv = urb->hcpriv; + td = urb_priv->td[td_index]; + + INIT_LIST_HEAD(&td->td_list); + INIT_LIST_HEAD(&td->cancelled_td_list); + + if (td_index == 0) { + ret = usb_hcd_link_urb_to_ep(xhci_to_hcd(xhci), urb); + if (unlikely(ret)) { + xhci_urb_free_priv(xhci, urb_priv); + urb->hcpriv = NULL; + return ret; + } } - (*td)->urb = urb; - urb->hcpriv = (void *) (*td); + td->urb = urb; /* Add this TD to the tail of the endpoint ring's TD list */ - list_add_tail(&(*td)->td_list, &ep_ring->td_list); - (*td)->start_seg = ep_ring->enq_seg; - (*td)->first_trb = ep_ring->enqueue; + list_add_tail(&td->td_list, &ep_ring->td_list); + td->start_seg = ep_ring->enq_seg; + td->first_trb = ep_ring->enqueue; + + urb_priv->td[td_index] = td; return 0; } @@ -2002,6 +2407,7 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags, { struct xhci_ring *ep_ring; unsigned int num_trbs; + struct urb_priv *urb_priv; struct xhci_td *td; struct scatterlist *sg; int num_sgs; @@ -2022,9 +2428,13 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags, trb_buff_len = prepare_transfer(xhci, xhci->devs[slot_id], ep_index, urb->stream_id, - num_trbs, urb, &td, mem_flags); + num_trbs, urb, 0, mem_flags); if (trb_buff_len < 0) return trb_buff_len; + + urb_priv = urb->hcpriv; + td = urb_priv->td[0]; + /* * Don't give the first TRB to the hardware (by toggling the cycle bit) * until we've finished creating all the other TRBs. The ring's cycle @@ -2145,6 +2555,7 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, struct urb *urb, int slot_id, unsigned int ep_index) { struct xhci_ring *ep_ring; + struct urb_priv *urb_priv; struct xhci_td *td; int num_trbs; struct xhci_generic_trb *start_trb; @@ -2190,10 +2601,13 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, ret = prepare_transfer(xhci, xhci->devs[slot_id], ep_index, urb->stream_id, - num_trbs, urb, &td, mem_flags); + num_trbs, urb, 0, mem_flags); if (ret < 0) return ret; + urb_priv = urb->hcpriv; + td = urb_priv->td[0]; + /* * Don't give the first TRB to the hardware (by toggling the cycle bit) * until we've finished creating all the other TRBs. The ring's cycle @@ -2279,6 +2693,7 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags, struct xhci_generic_trb *start_trb; int start_cycle; u32 field, length_field; + struct urb_priv *urb_priv; struct xhci_td *td; ep_ring = xhci_urb_to_transfer_ring(xhci, urb); @@ -2306,10 +2721,13 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags, num_trbs++; ret = prepare_transfer(xhci, xhci->devs[slot_id], ep_index, urb->stream_id, - num_trbs, urb, &td, mem_flags); + num_trbs, urb, 0, mem_flags); if (ret < 0) return ret; + urb_priv = urb->hcpriv; + td = urb_priv->td[0]; + /* * Don't give the first TRB to the hardware (by toggling the cycle bit) * until we've finished creating all the other TRBs. The ring's cycle @@ -2366,6 +2784,224 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags, return 0; } +static int count_isoc_trbs_needed(struct xhci_hcd *xhci, + struct urb *urb, int i) +{ + int num_trbs = 0; + u64 addr, td_len, running_total; + + addr = (u64) (urb->transfer_dma + urb->iso_frame_desc[i].offset); + td_len = urb->iso_frame_desc[i].length; + + running_total = TRB_MAX_BUFF_SIZE - + (addr & ((1 << TRB_MAX_BUFF_SHIFT) - 1)); + if (running_total != 0) + num_trbs++; + + while (running_total < td_len) { + num_trbs++; + running_total += TRB_MAX_BUFF_SIZE; + } + + return num_trbs; +} + +/* This is for isoc transfer */ +static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, + struct urb *urb, int slot_id, unsigned int ep_index) +{ + struct xhci_ring *ep_ring; + struct urb_priv *urb_priv; + struct xhci_td *td; + int num_tds, trbs_per_td; + struct xhci_generic_trb *start_trb; + bool first_trb; + int start_cycle; + u32 field, length_field; + int running_total, trb_buff_len, td_len, td_remain_len, ret; + u64 start_addr, addr; + int i, j; + + ep_ring = xhci->devs[slot_id]->eps[ep_index].ring; + + num_tds = urb->number_of_packets; + if (num_tds < 1) { + xhci_dbg(xhci, "Isoc URB with zero packets?\n"); + return -EINVAL; + } + + if (!in_interrupt()) + dev_dbg(&urb->dev->dev, "ep %#x - urb len = %#x (%d)," + " addr = %#llx, num_tds = %d\n", + urb->ep->desc.bEndpointAddress, + urb->transfer_buffer_length, + urb->transfer_buffer_length, + (unsigned long long)urb->transfer_dma, + num_tds); + + start_addr = (u64) urb->transfer_dma; + start_trb = &ep_ring->enqueue->generic; + start_cycle = ep_ring->cycle_state; + + /* Queue the first TRB, even if it's zero-length */ + for (i = 0; i < num_tds; i++) { + first_trb = true; + + running_total = 0; + addr = start_addr + urb->iso_frame_desc[i].offset; + td_len = urb->iso_frame_desc[i].length; + td_remain_len = td_len; + + trbs_per_td = count_isoc_trbs_needed(xhci, urb, i); + + ret = prepare_transfer(xhci, xhci->devs[slot_id], ep_index, + urb->stream_id, trbs_per_td, urb, i, mem_flags); + if (ret < 0) + return ret; + + urb_priv = urb->hcpriv; + td = urb_priv->td[i]; + + for (j = 0; j < trbs_per_td; j++) { + u32 remainder = 0; + field = 0; + + if (first_trb) { + /* Queue the isoc TRB */ + field |= TRB_TYPE(TRB_ISOC); + /* Assume URB_ISO_ASAP is set */ + field |= TRB_SIA; + if (i > 0) + field |= ep_ring->cycle_state; + first_trb = false; + } else { + /* Queue other normal TRBs */ + field |= TRB_TYPE(TRB_NORMAL); + field |= ep_ring->cycle_state; + } + + /* Chain all the TRBs together; clear the chain bit in + * the last TRB to indicate it's the last TRB in the + * chain. + */ + if (j < trbs_per_td - 1) { + field |= TRB_CHAIN; + } else { + td->last_trb = ep_ring->enqueue; + field |= TRB_IOC; + } + + /* Calculate TRB length */ + trb_buff_len = TRB_MAX_BUFF_SIZE - + (addr & ((1 << TRB_MAX_BUFF_SHIFT) - 1)); + if (trb_buff_len > td_remain_len) + trb_buff_len = td_remain_len; + + remainder = xhci_td_remainder(td_len - running_total); + length_field = TRB_LEN(trb_buff_len) | + remainder | + TRB_INTR_TARGET(0); + queue_trb(xhci, ep_ring, false, false, + lower_32_bits(addr), + upper_32_bits(addr), + length_field, + /* We always want to know if the TRB was short, + * or we won't get an event when it completes. + * (Unless we use event data TRBs, which are a + * waste of space and HC resources.) + */ + field | TRB_ISP); + running_total += trb_buff_len; + + addr += trb_buff_len; + td_remain_len -= trb_buff_len; + } + + /* Check TD length */ + if (running_total != td_len) { + xhci_err(xhci, "ISOC TD length unmatch\n"); + return -EINVAL; + } + } + + wmb(); + start_trb->field[3] |= start_cycle; + + ring_ep_doorbell(xhci, slot_id, ep_index, urb->stream_id); + return 0; +} + +/* + * Check transfer ring to guarantee there is enough room for the urb. + * Update ISO URB start_frame and interval. + * Update interval as xhci_queue_intr_tx does. Just use xhci frame_index to + * update the urb->start_frame by now. + * Always assume URB_ISO_ASAP set, and NEVER use urb->start_frame as input. + */ +int xhci_queue_isoc_tx_prepare(struct xhci_hcd *xhci, gfp_t mem_flags, + struct urb *urb, int slot_id, unsigned int ep_index) +{ + struct xhci_virt_device *xdev; + struct xhci_ring *ep_ring; + struct xhci_ep_ctx *ep_ctx; + int start_frame; + int xhci_interval; + int ep_interval; + int num_tds, num_trbs, i; + int ret; + + xdev = xhci->devs[slot_id]; + ep_ring = xdev->eps[ep_index].ring; + ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index); + + num_trbs = 0; + num_tds = urb->number_of_packets; + for (i = 0; i < num_tds; i++) + num_trbs += count_isoc_trbs_needed(xhci, urb, i); + + /* Check the ring to guarantee there is enough room for the whole urb. + * Do not insert any td of the urb to the ring if the check failed. + */ + ret = prepare_ring(xhci, ep_ring, ep_ctx->ep_info & EP_STATE_MASK, + num_trbs, mem_flags); + if (ret) + return ret; + + start_frame = xhci_readl(xhci, &xhci->run_regs->microframe_index); + start_frame &= 0x3fff; + + urb->start_frame = start_frame; + if (urb->dev->speed == USB_SPEED_LOW || + urb->dev->speed == USB_SPEED_FULL) + urb->start_frame >>= 3; + + xhci_interval = EP_INTERVAL_TO_UFRAMES(ep_ctx->ep_info); + ep_interval = urb->interval; + /* Convert to microframes */ + if (urb->dev->speed == USB_SPEED_LOW || + urb->dev->speed == USB_SPEED_FULL) + ep_interval *= 8; + /* FIXME change this to a warning and a suggestion to use the new API + * to set the polling interval (once the API is added). + */ + if (xhci_interval != ep_interval) { + if (!printk_ratelimit()) + dev_dbg(&urb->dev->dev, "Driver uses different interval" + " (%d microframe%s) than xHCI " + "(%d microframe%s)\n", + ep_interval, + ep_interval == 1 ? "" : "s", + xhci_interval, + xhci_interval == 1 ? "" : "s"); + urb->interval = xhci_interval; + /* Convert back to frames for LS/FS devices */ + if (urb->dev->speed == USB_SPEED_LOW || + urb->dev->speed == USB_SPEED_FULL) + urb->interval /= 8; + } + return xhci_queue_isoc_tx(xhci, GFP_ATOMIC, urb, slot_id, ep_index); +} + /**** Command Ring Operations ****/ /* Generic function for queueing a command TRB on the command ring. diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 3998f72..d5c550e 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -20,6 +20,7 @@ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include <linux/pci.h> #include <linux/irq.h> #include <linux/log2.h> #include <linux/module.h> @@ -171,22 +172,84 @@ int xhci_reset(struct xhci_hcd *xhci) return handshake(xhci, &xhci->op_regs->status, STS_CNR, 0, 250 * 1000); } +/* + * Free IRQs + * free all IRQs request + */ +static void xhci_free_irq(struct xhci_hcd *xhci) +{ + int i; + struct pci_dev *pdev = to_pci_dev(xhci_to_hcd(xhci)->self.controller); -#if 0 -/* Set up MSI-X table for entry 0 (may claim other entries later) */ -static int xhci_setup_msix(struct xhci_hcd *xhci) + /* return if using legacy interrupt */ + if (xhci_to_hcd(xhci)->irq >= 0) + return; + + if (xhci->msix_entries) { + for (i = 0; i < xhci->msix_count; i++) + if (xhci->msix_entries[i].vector) + free_irq(xhci->msix_entries[i].vector, + xhci_to_hcd(xhci)); + } else if (pdev->irq >= 0) + free_irq(pdev->irq, xhci_to_hcd(xhci)); + + return; +} + +/* + * Set up MSI + */ +static int xhci_setup_msi(struct xhci_hcd *xhci) { int ret; + struct pci_dev *pdev = to_pci_dev(xhci_to_hcd(xhci)->self.controller); + + ret = pci_enable_msi(pdev); + if (ret) { + xhci_err(xhci, "failed to allocate MSI entry\n"); + return ret; + } + + ret = request_irq(pdev->irq, (irq_handler_t)xhci_msi_irq, + 0, "xhci_hcd", xhci_to_hcd(xhci)); + if (ret) { + xhci_err(xhci, "disable MSI interrupt\n"); + pci_disable_msi(pdev); + } + + return ret; +} + +/* + * Set up MSI-X + */ +static int xhci_setup_msix(struct xhci_hcd *xhci) +{ + int i, ret = 0; struct pci_dev *pdev = to_pci_dev(xhci_to_hcd(xhci)->self.controller); - xhci->msix_count = 0; - /* XXX: did I do this right? ixgbe does kcalloc for more than one */ - xhci->msix_entries = kmalloc(sizeof(struct msix_entry), GFP_KERNEL); + /* + * calculate number of msi-x vectors supported. + * - HCS_MAX_INTRS: the max number of interrupts the host can handle, + * with max number of interrupters based on the xhci HCSPARAMS1. + * - num_online_cpus: maximum msi-x vectors per CPUs core. + * Add additional 1 vector to ensure always available interrupt. + */ + xhci->msix_count = min(num_online_cpus() + 1, + HCS_MAX_INTRS(xhci->hcs_params1)); + + xhci->msix_entries = + kmalloc((sizeof(struct msix_entry))*xhci->msix_count, + GFP_KERNEL); if (!xhci->msix_entries) { xhci_err(xhci, "Failed to allocate MSI-X entries\n"); return -ENOMEM; } - xhci->msix_entries[0].entry = 0; + + for (i = 0; i < xhci->msix_count; i++) { + xhci->msix_entries[i].entry = i; + xhci->msix_entries[i].vector = 0; + } ret = pci_enable_msix(pdev, xhci->msix_entries, xhci->msix_count); if (ret) { @@ -194,20 +257,19 @@ static int xhci_setup_msix(struct xhci_hcd *xhci) goto free_entries; } - /* - * Pass the xhci pointer value as the request_irq "cookie". - * If more irqs are added, this will need to be unique for each one. - */ - ret = request_irq(xhci->msix_entries[0].vector, &xhci_irq, 0, - "xHCI", xhci_to_hcd(xhci)); - if (ret) { - xhci_err(xhci, "Failed to allocate MSI-X interrupt\n"); - goto disable_msix; + for (i = 0; i < xhci->msix_count; i++) { + ret = request_irq(xhci->msix_entries[i].vector, + (irq_handler_t)xhci_msi_irq, + 0, "xhci_hcd", xhci_to_hcd(xhci)); + if (ret) + goto disable_msix; } - xhci_dbg(xhci, "Finished setting up MSI-X\n"); - return 0; + + return ret; disable_msix: + xhci_err(xhci, "disable MSI-X interrupt\n"); + xhci_free_irq(xhci); pci_disable_msix(pdev); free_entries: kfree(xhci->msix_entries); @@ -215,21 +277,23 @@ free_entries: return ret; } -/* XXX: code duplication; can xhci_setup_msix call this? */ /* Free any IRQs and disable MSI-X */ static void xhci_cleanup_msix(struct xhci_hcd *xhci) { struct pci_dev *pdev = to_pci_dev(xhci_to_hcd(xhci)->self.controller); - if (!xhci->msix_entries) - return; - free_irq(xhci->msix_entries[0].vector, xhci); - pci_disable_msix(pdev); - kfree(xhci->msix_entries); - xhci->msix_entries = NULL; - xhci_dbg(xhci, "Finished cleaning up MSI-X\n"); + xhci_free_irq(xhci); + + if (xhci->msix_entries) { + pci_disable_msix(pdev); + kfree(xhci->msix_entries); + xhci->msix_entries = NULL; + } else { + pci_disable_msi(pdev); + } + + return; } -#endif /* * Initialize memory for HCD and xHC (one-time init). @@ -257,100 +321,8 @@ int xhci_init(struct usb_hcd *hcd) return retval; } -/* - * Called in interrupt context when there might be work - * queued on the event ring - * - * xhci->lock must be held by caller. - */ -static void xhci_work(struct xhci_hcd *xhci) -{ - u32 temp; - u64 temp_64; - - /* - * Clear the op reg interrupt status first, - * so we can receive interrupts from other MSI-X interrupters. - * Write 1 to clear the interrupt status. - */ - temp = xhci_readl(xhci, &xhci->op_regs->status); - temp |= STS_EINT; - xhci_writel(xhci, temp, &xhci->op_regs->status); - /* FIXME when MSI-X is supported and there are multiple vectors */ - /* Clear the MSI-X event interrupt status */ - - /* Acknowledge the interrupt */ - temp = xhci_readl(xhci, &xhci->ir_set->irq_pending); - temp |= 0x3; - xhci_writel(xhci, temp, &xhci->ir_set->irq_pending); - /* Flush posted writes */ - xhci_readl(xhci, &xhci->ir_set->irq_pending); - - if (xhci->xhc_state & XHCI_STATE_DYING) - xhci_dbg(xhci, "xHCI dying, ignoring interrupt. " - "Shouldn't IRQs be disabled?\n"); - else - /* FIXME this should be a delayed service routine - * that clears the EHB. - */ - xhci_handle_event(xhci); - - /* Clear the event handler busy flag (RW1C); the event ring should be empty. */ - temp_64 = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue); - xhci_write_64(xhci, temp_64 | ERST_EHB, &xhci->ir_set->erst_dequeue); - /* Flush posted writes -- FIXME is this necessary? */ - xhci_readl(xhci, &xhci->ir_set->irq_pending); -} - /*-------------------------------------------------------------------------*/ -/* - * xHCI spec says we can get an interrupt, and if the HC has an error condition, - * we might get bad data out of the event ring. Section 4.10.2.7 has a list of - * indicators of an event TRB error, but we check the status *first* to be safe. - */ -irqreturn_t xhci_irq(struct usb_hcd *hcd) -{ - struct xhci_hcd *xhci = hcd_to_xhci(hcd); - u32 temp, temp2; - union xhci_trb *trb; - - spin_lock(&xhci->lock); - trb = xhci->event_ring->dequeue; - /* Check if the xHC generated the interrupt, or the irq is shared */ - temp = xhci_readl(xhci, &xhci->op_regs->status); - temp2 = xhci_readl(xhci, &xhci->ir_set->irq_pending); - if (temp == 0xffffffff && temp2 == 0xffffffff) - goto hw_died; - - if (!(temp & STS_EINT) && !ER_IRQ_PENDING(temp2)) { - spin_unlock(&xhci->lock); - return IRQ_NONE; - } - xhci_dbg(xhci, "op reg status = %08x\n", temp); - xhci_dbg(xhci, "ir set irq_pending = %08x\n", temp2); - xhci_dbg(xhci, "Event ring dequeue ptr:\n"); - xhci_dbg(xhci, "@%llx %08x %08x %08x %08x\n", - (unsigned long long)xhci_trb_virt_to_dma(xhci->event_ring->deq_seg, trb), - lower_32_bits(trb->link.segment_ptr), - upper_32_bits(trb->link.segment_ptr), - (unsigned int) trb->link.intr_target, - (unsigned int) trb->link.control); - - if (temp & STS_FATAL) { - xhci_warn(xhci, "WARNING: Host System Error\n"); - xhci_halt(xhci); -hw_died: - xhci_to_hcd(xhci)->state = HC_STATE_HALT; - spin_unlock(&xhci->lock); - return -ESHUTDOWN; - } - - xhci_work(xhci); - spin_unlock(&xhci->lock); - - return IRQ_HANDLED; -} #ifdef CONFIG_USB_XHCI_HCD_DEBUGGING void xhci_event_ring_work(unsigned long arg) @@ -423,21 +395,36 @@ int xhci_run(struct usb_hcd *hcd) { u32 temp; u64 temp_64; + u32 ret; struct xhci_hcd *xhci = hcd_to_xhci(hcd); + struct pci_dev *pdev = to_pci_dev(xhci_to_hcd(xhci)->self.controller); void (*doorbell)(struct xhci_hcd *) = NULL; hcd->uses_new_polling = 1; - hcd->poll_rh = 0; xhci_dbg(xhci, "xhci_run\n"); -#if 0 /* FIXME: MSI not setup yet */ - /* Do this at the very last minute */ + /* unregister the legacy interrupt */ + if (hcd->irq) + free_irq(hcd->irq, hcd); + hcd->irq = -1; + ret = xhci_setup_msix(xhci); - if (!ret) - return ret; + if (ret) + /* fall back to msi*/ + ret = xhci_setup_msi(xhci); + + if (ret) { + /* fall back to legacy interrupt*/ + ret = request_irq(pdev->irq, &usb_hcd_irq, IRQF_SHARED, + hcd->irq_descr, hcd); + if (ret) { + xhci_err(xhci, "request interrupt %d failed\n", + pdev->irq); + return ret; + } + hcd->irq = pdev->irq; + } - return -ENOSYS; -#endif #ifdef CONFIG_USB_XHCI_HCD_DEBUGGING init_timer(&xhci->event_ring_timer); xhci->event_ring_timer.data = (unsigned long) xhci; @@ -495,7 +482,6 @@ int xhci_run(struct usb_hcd *hcd) return -ENODEV; } - xhci_dbg(xhci, "// @%p = 0x%x\n", &xhci->op_regs->command, temp); if (doorbell) (*doorbell)(xhci); if (xhci->quirks & XHCI_NEC_HOST) @@ -522,11 +508,9 @@ void xhci_stop(struct usb_hcd *hcd) spin_lock_irq(&xhci->lock); xhci_halt(xhci); xhci_reset(xhci); + xhci_cleanup_msix(xhci); spin_unlock_irq(&xhci->lock); -#if 0 /* No MSI yet */ - xhci_cleanup_msix(xhci); -#endif #ifdef CONFIG_USB_XHCI_HCD_DEBUGGING /* Tell the event ring poll function not to reschedule */ xhci->zombie = 1; @@ -560,11 +544,8 @@ void xhci_shutdown(struct usb_hcd *hcd) spin_lock_irq(&xhci->lock); xhci_halt(xhci); - spin_unlock_irq(&xhci->lock); - -#if 0 xhci_cleanup_msix(xhci); -#endif + spin_unlock_irq(&xhci->lock); xhci_dbg(xhci, "xhci_shutdown completed - status = %x\n", xhci_readl(xhci, &xhci->op_regs->status)); @@ -720,7 +701,8 @@ int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags) unsigned long flags; int ret = 0; unsigned int slot_id, ep_index; - + struct urb_priv *urb_priv; + int size, i; if (!urb || xhci_check_args(hcd, urb->dev, urb->ep, true, __func__) <= 0) return -EINVAL; @@ -734,12 +716,36 @@ int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags) ret = -EINVAL; goto exit; } - if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) { + if (!HCD_HW_ACCESSIBLE(hcd)) { if (!in_interrupt()) xhci_dbg(xhci, "urb submitted during PCI suspend\n"); ret = -ESHUTDOWN; goto exit; } + + if (usb_endpoint_xfer_isoc(&urb->ep->desc)) + size = urb->number_of_packets; + else + size = 1; + + urb_priv = kzalloc(sizeof(struct urb_priv) + + size * sizeof(struct xhci_td *), mem_flags); + if (!urb_priv) + return -ENOMEM; + + for (i = 0; i < size; i++) { + urb_priv->td[i] = kzalloc(sizeof(struct xhci_td), mem_flags); + if (!urb_priv->td[i]) { + urb_priv->length = i; + xhci_urb_free_priv(xhci, urb_priv); + return -ENOMEM; + } + } + + urb_priv->length = size; + urb_priv->td_cnt = 0; + urb->hcpriv = urb_priv; + if (usb_endpoint_xfer_control(&urb->ep->desc)) { /* Check to see if the max packet size for the default control * endpoint changed during FS device enumeration @@ -788,11 +794,18 @@ int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags) slot_id, ep_index); spin_unlock_irqrestore(&xhci->lock, flags); } else { - ret = -EINVAL; + spin_lock_irqsave(&xhci->lock, flags); + if (xhci->xhc_state & XHCI_STATE_DYING) + goto dying; + ret = xhci_queue_isoc_tx_prepare(xhci, GFP_ATOMIC, urb, + slot_id, ep_index); + spin_unlock_irqrestore(&xhci->lock, flags); } exit: return ret; dying: + xhci_urb_free_priv(xhci, urb_priv); + urb->hcpriv = NULL; xhci_dbg(xhci, "Ep 0x%x: URB %p submitted for " "non-responsive xHCI host.\n", urb->ep->desc.bEndpointAddress, urb); @@ -800,6 +813,47 @@ dying: return -ESHUTDOWN; } +/* Get the right ring for the given URB. + * If the endpoint supports streams, boundary check the URB's stream ID. + * If the endpoint doesn't support streams, return the singular endpoint ring. + */ +static struct xhci_ring *xhci_urb_to_transfer_ring(struct xhci_hcd *xhci, + struct urb *urb) +{ + unsigned int slot_id; + unsigned int ep_index; + unsigned int stream_id; + struct xhci_virt_ep *ep; + + slot_id = urb->dev->slot_id; + ep_index = xhci_get_endpoint_index(&urb->ep->desc); + stream_id = urb->stream_id; + ep = &xhci->devs[slot_id]->eps[ep_index]; + /* Common case: no streams */ + if (!(ep->ep_state & EP_HAS_STREAMS)) + return ep->ring; + + if (stream_id == 0) { + xhci_warn(xhci, + "WARN: Slot ID %u, ep index %u has streams, " + "but URB has no stream ID.\n", + slot_id, ep_index); + return NULL; + } + + if (stream_id < ep->stream_info->num_streams) + return ep->stream_info->stream_rings[stream_id]; + + xhci_warn(xhci, + "WARN: Slot ID %u, ep index %u has " + "stream IDs 1 to %u allocated, " + "but stream ID %u is requested.\n", + slot_id, ep_index, + ep->stream_info->num_streams - 1, + stream_id); + return NULL; +} + /* * Remove the URB's TD from the endpoint ring. This may cause the HC to stop * USB transfers, potentially stopping in the middle of a TRB buffer. The HC @@ -834,9 +888,10 @@ dying: int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) { unsigned long flags; - int ret; + int ret, i; u32 temp; struct xhci_hcd *xhci; + struct urb_priv *urb_priv; struct xhci_td *td; unsigned int ep_index; struct xhci_ring *ep_ring; @@ -851,12 +906,12 @@ int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) temp = xhci_readl(xhci, &xhci->op_regs->status); if (temp == 0xffffffff) { xhci_dbg(xhci, "HW died, freeing TD.\n"); - td = (struct xhci_td *) urb->hcpriv; + urb_priv = urb->hcpriv; usb_hcd_unlink_urb_from_ep(hcd, urb); spin_unlock_irqrestore(&xhci->lock, flags); usb_hcd_giveback_urb(xhci_to_hcd(xhci), urb, -ESHUTDOWN); - kfree(td); + xhci_urb_free_priv(xhci, urb_priv); return ret; } if (xhci->xhc_state & XHCI_STATE_DYING) { @@ -884,9 +939,14 @@ int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) xhci_dbg(xhci, "Endpoint ring:\n"); xhci_debug_ring(xhci, ep_ring); - td = (struct xhci_td *) urb->hcpriv; - list_add_tail(&td->cancelled_td_list, &ep->cancelled_td_list); + urb_priv = urb->hcpriv; + + for (i = urb_priv->td_cnt; i < urb_priv->length; i++) { + td = urb_priv->td[i]; + list_add_tail(&td->cancelled_td_list, &ep->cancelled_td_list); + } + /* Queue a stop endpoint command, but only if this is * the first cancellation to be handled. */ diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 6c7e343..34a60d9 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -720,6 +720,14 @@ struct xhci_virt_ep { struct timer_list stop_cmd_timer; int stop_cmds_pending; struct xhci_hcd *xhci; + /* + * Sometimes the xHC can not process isochronous endpoint ring quickly + * enough, and it will miss some isoc tds on the ring and generate + * a Missed Service Error Event. + * Set skip flag when receive a Missed Service Error Event and + * process the missed tds on the endpoint ring. + */ + bool skip; }; struct xhci_virt_device { @@ -911,6 +919,9 @@ struct xhci_event_cmd { /* Control transfer TRB specific fields */ #define TRB_DIR_IN (1<<16) +/* Isochronous TRB specific fields */ +#define TRB_SIA (1<<31) + struct xhci_generic_trb { u32 field[4]; }; @@ -1082,6 +1093,12 @@ struct xhci_scratchpad { dma_addr_t *sp_dma_buffers; }; +struct urb_priv { + int length; + int td_cnt; + struct xhci_td *td[0]; +}; + /* * Each segment table entry is 4*32bits long. 1K seems like an ok size: * (1K bytes * 8bytes/bit) / (4*32 bits) = 64 segment entries in the table, @@ -1130,7 +1147,7 @@ struct xhci_hcd { int page_size; /* Valid values are 12 to 20, inclusive */ int page_shift; - /* only one MSI vector for now, but might need more later */ + /* msi-x vectors */ int msix_count; struct msix_entry *msix_entries; /* data structures */ @@ -1327,11 +1344,6 @@ void xhci_setup_no_streams_ep_input_ctx(struct xhci_hcd *xhci, struct xhci_ring *xhci_dma_to_transfer_ring( struct xhci_virt_ep *ep, u64 address); -struct xhci_ring *xhci_urb_to_transfer_ring(struct xhci_hcd *xhci, - struct urb *urb); -struct xhci_ring *xhci_triad_to_transfer_ring(struct xhci_hcd *xhci, - unsigned int slot_id, unsigned int ep_index, - unsigned int stream_id); struct xhci_ring *xhci_stream_id_to_ring( struct xhci_virt_device *dev, unsigned int ep_index, @@ -1339,6 +1351,7 @@ struct xhci_ring *xhci_stream_id_to_ring( struct xhci_command *xhci_alloc_command(struct xhci_hcd *xhci, bool allocate_in_ctx, bool allocate_completion, gfp_t mem_flags); +void xhci_urb_free_priv(struct xhci_hcd *xhci, struct urb_priv *urb_priv); void xhci_free_command(struct xhci_hcd *xhci, struct xhci_command *command); @@ -1358,6 +1371,7 @@ void xhci_stop(struct usb_hcd *hcd); void xhci_shutdown(struct usb_hcd *hcd); int xhci_get_frame(struct usb_hcd *hcd); irqreturn_t xhci_irq(struct usb_hcd *hcd); +irqreturn_t xhci_msi_irq(int irq, struct usb_hcd *hcd); int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev); void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev); int xhci_alloc_streams(struct usb_hcd *hcd, struct usb_device *udev, @@ -1386,8 +1400,6 @@ struct xhci_segment *trb_in_td(struct xhci_segment *start_seg, int xhci_is_vendor_info_code(struct xhci_hcd *xhci, unsigned int trb_comp_code); void xhci_ring_cmd_db(struct xhci_hcd *xhci); void *xhci_setup_one_noop(struct xhci_hcd *xhci); -void xhci_handle_event(struct xhci_hcd *xhci); -void xhci_set_hc_event_deq(struct xhci_hcd *xhci); int xhci_queue_slot_control(struct xhci_hcd *xhci, u32 trb_type, u32 slot_id); int xhci_queue_address_device(struct xhci_hcd *xhci, dma_addr_t in_ctx_ptr, u32 slot_id); @@ -1401,6 +1413,8 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, struct urb *urb, int slot_id, unsigned int ep_index); int xhci_queue_intr_tx(struct xhci_hcd *xhci, gfp_t mem_flags, struct urb *urb, int slot_id, unsigned int ep_index); +int xhci_queue_isoc_tx_prepare(struct xhci_hcd *xhci, gfp_t mem_flags, + struct urb *urb, int slot_id, unsigned int ep_index); int xhci_queue_configure_endpoint(struct xhci_hcd *xhci, dma_addr_t in_ctx_ptr, u32 slot_id, bool command_must_succeed); int xhci_queue_evaluate_context(struct xhci_hcd *xhci, dma_addr_t in_ctx_ptr, diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c index d7e034a..c5b5710 100644 --- a/drivers/usb/misc/ftdi-elan.c +++ b/drivers/usb/misc/ftdi-elan.c @@ -648,7 +648,7 @@ static int ftdi_elan_open(struct inode *inode, struct file *file) static int ftdi_elan_release(struct inode *inode, struct file *file) { - struct usb_ftdi *ftdi = (struct usb_ftdi *)file->private_data; + struct usb_ftdi *ftdi = file->private_data; if (ftdi == NULL) return -ENODEV; up(&ftdi->sw_lock); /* decrement the count on our device */ @@ -671,7 +671,7 @@ static ssize_t ftdi_elan_read(struct file *file, char __user *buffer, int bytes_read = 0; int retry_on_empty = 10; int retry_on_timeout = 5; - struct usb_ftdi *ftdi = (struct usb_ftdi *)file->private_data; + struct usb_ftdi *ftdi = file->private_data; if (ftdi->disconnected > 0) { return -ENODEV; } diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c index 7dc9d3c..2de49c8 100644 --- a/drivers/usb/misc/iowarrior.c +++ b/drivers/usb/misc/iowarrior.c @@ -18,7 +18,7 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/sched.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <linux/poll.h> #include <linux/usb/iowarrior.h> @@ -61,6 +61,7 @@ MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); /* Module parameters */ +static DEFINE_MUTEX(iowarrior_mutex); static int debug = 0; module_param(debug, bool, 0644); MODULE_PARM_DESC(debug, "debug=1 enables debugging messages"); @@ -282,7 +283,7 @@ static ssize_t iowarrior_read(struct file *file, char __user *buffer, int read_idx; int offset; - dev = (struct iowarrior *)file->private_data; + dev = file->private_data; /* verify that the device wasn't unplugged */ if (dev == NULL || !dev->present) @@ -348,7 +349,7 @@ static ssize_t iowarrior_write(struct file *file, char *buf = NULL; /* for IOW24 and IOW56 we need a buffer */ struct urb *int_out_urb = NULL; - dev = (struct iowarrior *)file->private_data; + dev = file->private_data; mutex_lock(&dev->mutex); /* verify that the device wasn't unplugged */ @@ -483,7 +484,7 @@ static long iowarrior_ioctl(struct file *file, unsigned int cmd, int retval; int io_res; /* checks for bytes read/written and copy_to/from_user results */ - dev = (struct iowarrior *)file->private_data; + dev = file->private_data; if (dev == NULL) { return -ENODEV; } @@ -493,7 +494,7 @@ static long iowarrior_ioctl(struct file *file, unsigned int cmd, return -ENOMEM; /* lock this object */ - lock_kernel(); + mutex_lock(&iowarrior_mutex); mutex_lock(&dev->mutex); /* verify that the device wasn't unplugged */ @@ -585,7 +586,7 @@ static long iowarrior_ioctl(struct file *file, unsigned int cmd, error_out: /* unlock the device */ mutex_unlock(&dev->mutex); - unlock_kernel(); + mutex_unlock(&iowarrior_mutex); kfree(buffer); return retval; } @@ -602,12 +603,12 @@ static int iowarrior_open(struct inode *inode, struct file *file) dbg("%s", __func__); - lock_kernel(); + mutex_lock(&iowarrior_mutex); subminor = iminor(inode); interface = usb_find_interface(&iowarrior_driver, subminor); if (!interface) { - unlock_kernel(); + mutex_unlock(&iowarrior_mutex); err("%s - error, can't find device for minor %d", __func__, subminor); return -ENODEV; @@ -617,7 +618,7 @@ static int iowarrior_open(struct inode *inode, struct file *file) dev = usb_get_intfdata(interface); if (!dev) { mutex_unlock(&iowarrior_open_disc_lock); - unlock_kernel(); + mutex_unlock(&iowarrior_mutex); return -ENODEV; } @@ -644,7 +645,7 @@ static int iowarrior_open(struct inode *inode, struct file *file) out: mutex_unlock(&dev->mutex); - unlock_kernel(); + mutex_unlock(&iowarrior_mutex); return retval; } @@ -656,7 +657,7 @@ static int iowarrior_release(struct inode *inode, struct file *file) struct iowarrior *dev; int retval = 0; - dev = (struct iowarrior *)file->private_data; + dev = file->private_data; if (dev == NULL) { return -ENODEV; } diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c index 8547bf9..6482c6e 100644 --- a/drivers/usb/misc/legousbtower.c +++ b/drivers/usb/misc/legousbtower.c @@ -448,7 +448,7 @@ static int tower_release (struct inode *inode, struct file *file) dbg(2, "%s: enter", __func__); - dev = (struct lego_usb_tower *)file->private_data; + dev = file->private_data; if (dev == NULL) { dbg(1, "%s: object is NULL", __func__); @@ -597,7 +597,7 @@ static ssize_t tower_read (struct file *file, char __user *buffer, size_t count, dbg(2, "%s: enter, count = %Zd", __func__, count); - dev = (struct lego_usb_tower *)file->private_data; + dev = file->private_data; /* lock this object */ if (mutex_lock_interruptible(&dev->lock)) { @@ -686,7 +686,7 @@ static ssize_t tower_write (struct file *file, const char __user *buffer, size_t dbg(2, "%s: enter, count = %Zd", __func__, count); - dev = (struct lego_usb_tower *)file->private_data; + dev = file->private_data; /* lock this object */ if (mutex_lock_interruptible(&dev->lock)) { diff --git a/drivers/usb/misc/rio500.c b/drivers/usb/misc/rio500.c index a85771b..cc13ae6 100644 --- a/drivers/usb/misc/rio500.c +++ b/drivers/usb/misc/rio500.c @@ -32,7 +32,7 @@ #include <linux/kernel.h> #include <linux/signal.h> #include <linux/sched.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <linux/errno.h> #include <linux/random.h> #include <linux/poll.h> @@ -72,6 +72,7 @@ struct rio_usb_data { struct mutex lock; /* general race avoidance */ }; +static DEFINE_MUTEX(rio500_mutex); static struct rio_usb_data rio_instance; static int open_rio(struct inode *inode, struct file *file) @@ -79,12 +80,12 @@ static int open_rio(struct inode *inode, struct file *file) struct rio_usb_data *rio = &rio_instance; /* against disconnect() */ - lock_kernel(); + mutex_lock(&rio500_mutex); mutex_lock(&(rio->lock)); if (rio->isopen || !rio->present) { mutex_unlock(&(rio->lock)); - unlock_kernel(); + mutex_unlock(&rio500_mutex); return -EBUSY; } rio->isopen = 1; @@ -94,7 +95,7 @@ static int open_rio(struct inode *inode, struct file *file) mutex_unlock(&(rio->lock)); dev_info(&rio->rio_dev->dev, "Rio opened.\n"); - unlock_kernel(); + mutex_unlock(&rio500_mutex); return 0; } @@ -491,7 +492,7 @@ static void disconnect_rio(struct usb_interface *intf) struct rio_usb_data *rio = usb_get_intfdata (intf); usb_set_intfdata (intf, NULL); - lock_kernel(); + mutex_lock(&rio500_mutex); if (rio) { usb_deregister_dev(intf, &usb_rio_class); @@ -501,7 +502,7 @@ static void disconnect_rio(struct usb_interface *intf) /* better let it finish - the release will do whats needed */ rio->rio_dev = NULL; mutex_unlock(&(rio->lock)); - unlock_kernel(); + mutex_unlock(&rio500_mutex); return; } kfree(rio->ibuf); @@ -512,7 +513,7 @@ static void disconnect_rio(struct usb_interface *intf) rio->present = 0; mutex_unlock(&(rio->lock)); } - unlock_kernel(); + mutex_unlock(&rio500_mutex); } static const struct usb_device_id rio_table[] = { diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c index d25814c..70d00e9 100644 --- a/drivers/usb/misc/sisusbvga/sisusb.c +++ b/drivers/usb/misc/sisusbvga/sisusb.c @@ -2487,7 +2487,7 @@ sisusb_release(struct inode *inode, struct file *file) { struct sisusb_usb_data *sisusb; - if (!(sisusb = (struct sisusb_usb_data *)file->private_data)) + if (!(sisusb = file->private_data)) return -ENODEV; mutex_lock(&sisusb->lock); @@ -2519,7 +2519,7 @@ sisusb_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) u16 buf16; u32 buf32, address; - if (!(sisusb = (struct sisusb_usb_data *)file->private_data)) + if (!(sisusb = file->private_data)) return -ENODEV; mutex_lock(&sisusb->lock); @@ -2661,7 +2661,7 @@ sisusb_write(struct file *file, const char __user *buffer, size_t count, u16 buf16; u32 buf32, address; - if (!(sisusb = (struct sisusb_usb_data *)file->private_data)) + if (!(sisusb = file->private_data)) return -ENODEV; mutex_lock(&sisusb->lock); @@ -2804,7 +2804,7 @@ sisusb_lseek(struct file *file, loff_t offset, int orig) struct sisusb_usb_data *sisusb; loff_t ret; - if (!(sisusb = (struct sisusb_usb_data *)file->private_data)) + if (!(sisusb = file->private_data)) return -ENODEV; mutex_lock(&sisusb->lock); @@ -2969,7 +2969,7 @@ sisusb_ioctl(struct file *file, unsigned int cmd, unsigned long arg) long retval = 0; u32 __user *argp = (u32 __user *)arg; - if (!(sisusb = (struct sisusb_usb_data *)file->private_data)) + if (!(sisusb = file->private_data)) return -ENODEV; mutex_lock(&sisusb->lock); diff --git a/drivers/usb/misc/usblcd.c b/drivers/usb/misc/usblcd.c index 7828c76..d00dde1 100644 --- a/drivers/usb/misc/usblcd.c +++ b/drivers/usb/misc/usblcd.c @@ -16,7 +16,6 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/mutex.h> #include <asm/uaccess.h> @@ -30,6 +29,7 @@ #define IOCTL_GET_DRV_VERSION 2 +static DEFINE_MUTEX(lcd_mutex); static const struct usb_device_id id_table[] = { { .idVendor = 0x10D2, .match_flags = USB_DEVICE_ID_MATCH_VENDOR, }, { }, @@ -74,12 +74,12 @@ static int lcd_open(struct inode *inode, struct file *file) struct usb_interface *interface; int subminor, r; - lock_kernel(); + mutex_lock(&lcd_mutex); subminor = iminor(inode); interface = usb_find_interface(&lcd_driver, subminor); if (!interface) { - unlock_kernel(); + mutex_unlock(&lcd_mutex); err ("USBLCD: %s - error, can't find device for minor %d", __func__, subminor); return -ENODEV; @@ -89,7 +89,7 @@ static int lcd_open(struct inode *inode, struct file *file) dev = usb_get_intfdata(interface); if (!dev) { mutex_unlock(&open_disc_mutex); - unlock_kernel(); + mutex_unlock(&lcd_mutex); return -ENODEV; } @@ -101,13 +101,13 @@ static int lcd_open(struct inode *inode, struct file *file) r = usb_autopm_get_interface(interface); if (r < 0) { kref_put(&dev->kref, lcd_delete); - unlock_kernel(); + mutex_unlock(&lcd_mutex); return r; } /* save our object in the file's private structure */ file->private_data = dev; - unlock_kernel(); + mutex_unlock(&lcd_mutex); return 0; } @@ -116,7 +116,7 @@ static int lcd_release(struct inode *inode, struct file *file) { struct usb_lcd *dev; - dev = (struct usb_lcd *)file->private_data; + dev = file->private_data; if (dev == NULL) return -ENODEV; @@ -132,7 +132,7 @@ static ssize_t lcd_read(struct file *file, char __user * buffer, size_t count, l int retval = 0; int bytes_read; - dev = (struct usb_lcd *)file->private_data; + dev = file->private_data; /* do a blocking bulk read to get data from the device */ retval = usb_bulk_msg(dev->udev, @@ -158,20 +158,20 @@ static long lcd_ioctl(struct file *file, unsigned int cmd, unsigned long arg) u16 bcdDevice; char buf[30]; - dev = (struct usb_lcd *)file->private_data; + dev = file->private_data; if (dev == NULL) return -ENODEV; switch (cmd) { case IOCTL_GET_HARD_VERSION: - lock_kernel(); + mutex_lock(&lcd_mutex); bcdDevice = le16_to_cpu((dev->udev)->descriptor.bcdDevice); sprintf(buf,"%1d%1d.%1d%1d", (bcdDevice & 0xF000)>>12, (bcdDevice & 0xF00)>>8, (bcdDevice & 0xF0)>>4, (bcdDevice & 0xF)); - unlock_kernel(); + mutex_unlock(&lcd_mutex); if (copy_to_user((void __user *)arg,buf,strlen(buf))!=0) return -EFAULT; break; @@ -217,7 +217,7 @@ static ssize_t lcd_write(struct file *file, const char __user * user_buffer, siz struct urb *urb = NULL; char *buf = NULL; - dev = (struct usb_lcd *)file->private_data; + dev = file->private_data; /* verify that we actually have some data to write */ if (count == 0) diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index 16dffe9..eef370e 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -136,7 +136,7 @@ try_iso: iso_out = e; } } - if ((in && out) || (iso_in && iso_out)) + if ((in && out) || iso_in || iso_out) goto found; } return -EINVAL; @@ -162,6 +162,9 @@ found: dev->in_iso_pipe = usb_rcvisocpipe (udev, iso_in->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); + } + + if (iso_out) { dev->iso_out = &iso_out->desc; dev->out_iso_pipe = usb_sndisocpipe (udev, iso_out->desc.bEndpointAddress @@ -1378,7 +1381,6 @@ static void iso_callback (struct urb *urb) break; } } - simple_free_urb (urb); ctx->pending--; if (ctx->pending == 0) { @@ -1495,6 +1497,7 @@ test_iso_queue (struct usbtest_dev *dev, struct usbtest_param *param, } simple_free_urb (urbs [i]); + urbs[i] = NULL; context.pending--; context.submit_error = 1; break; @@ -1504,6 +1507,10 @@ test_iso_queue (struct usbtest_dev *dev, struct usbtest_param *param, wait_for_completion (&context.done); + for (i = 0; i < param->sglen; i++) { + if (urbs[i]) + simple_free_urb(urbs[i]); + } /* * Isochronous transfers are expected to fail sometimes. As an * arbitrary limit, we will report an error if any submissions @@ -1548,6 +1555,7 @@ fail: * off just killing the userspace task and waiting for it to exit. */ +/* No BKL needed */ static int usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) { @@ -2170,7 +2178,7 @@ static struct usb_driver usbtest_driver = { .name = "usbtest", .id_table = id_table, .probe = usbtest_probe, - .ioctl = usbtest_ioctl, + .unlocked_ioctl = usbtest_ioctl, .disconnect = usbtest_disconnect, .suspend = usbtest_suspend, .resume = usbtest_resume, diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c index 61c76b1..44cb37b 100644 --- a/drivers/usb/mon/mon_bin.c +++ b/drivers/usb/mon/mon_bin.c @@ -646,17 +646,14 @@ static int mon_bin_open(struct inode *inode, struct file *file) size_t size; int rc; - lock_kernel(); mutex_lock(&mon_lock); if ((mbus = mon_bus_lookup(iminor(inode))) == NULL) { mutex_unlock(&mon_lock); - unlock_kernel(); return -ENODEV; } if (mbus != &mon_bus0 && mbus->u_bus == NULL) { printk(KERN_ERR TAG ": consistency error on open\n"); mutex_unlock(&mon_lock); - unlock_kernel(); return -ENODEV; } @@ -689,7 +686,6 @@ static int mon_bin_open(struct inode *inode, struct file *file) file->private_data = rp; mutex_unlock(&mon_lock); - unlock_kernel(); return 0; err_allocbuff: @@ -698,7 +694,6 @@ err_allocvec: kfree(rp); err_alloc: mutex_unlock(&mon_lock); - unlock_kernel(); return rc; } @@ -954,7 +949,7 @@ static int mon_bin_queued(struct mon_reader_bin *rp) /* */ -static int mon_bin_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +static long mon_bin_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct mon_reader_bin *rp = file->private_data; // struct mon_bus* mbus = rp->r.m_bus; @@ -1009,7 +1004,7 @@ static int mon_bin_ioctl(struct file *file, unsigned int cmd, unsigned long arg) mutex_lock(&rp->fetch_lock); spin_lock_irqsave(&rp->b_lock, flags); - mon_free_buff(rp->b_vec, size/CHUNK_SIZE); + mon_free_buff(rp->b_vec, rp->b_size/CHUNK_SIZE); kfree(rp->b_vec); rp->b_vec = vec; rp->b_size = size; @@ -1094,19 +1089,6 @@ static int mon_bin_ioctl(struct file *file, unsigned int cmd, unsigned long arg) return ret; } -static long mon_bin_unlocked_ioctl(struct file *file, unsigned int cmd, - unsigned long arg) -{ - int ret; - - lock_kernel(); - ret = mon_bin_ioctl(file, cmd, arg); - unlock_kernel(); - - return ret; -} - - #ifdef CONFIG_COMPAT static long mon_bin_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) @@ -1250,7 +1232,7 @@ static const struct file_operations mon_fops_binary = { .read = mon_bin_read, /* .write = mon_text_write, */ .poll = mon_bin_poll, - .unlocked_ioctl = mon_bin_unlocked_ioctl, + .unlocked_ioctl = mon_bin_ioctl, #ifdef CONFIG_COMPAT .compat_ioctl = mon_bin_compat_ioctl, #endif diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 3b795c5..540c766 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -704,7 +704,6 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, #ifdef CONFIG_USB_MUSB_HDRC_HCD if (int_usb & MUSB_INTR_CONNECT) { struct usb_hcd *hcd = musb_to_hcd(musb); - void __iomem *mbase = musb->mregs; handled = IRQ_HANDLED; musb->is_active = 1; @@ -717,9 +716,9 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, if (is_peripheral_active(musb)) { /* REVISIT HNP; just force disconnect */ } - musb_writew(mbase, MUSB_INTRTXE, musb->epmask); - musb_writew(mbase, MUSB_INTRRXE, musb->epmask & 0xfffe); - musb_writeb(mbase, MUSB_INTRUSBE, 0xf7); + musb_writew(musb->mregs, MUSB_INTRTXE, musb->epmask); + musb_writew(musb->mregs, MUSB_INTRRXE, musb->epmask & 0xfffe); + musb_writeb(musb->mregs, MUSB_INTRUSBE, 0xf7); #endif musb->port1_status &= ~(USB_PORT_STAT_LOW_SPEED |USB_PORT_STAT_HIGH_SPEED diff --git a/drivers/usb/musb/musb_debugfs.c b/drivers/usb/musb/musb_debugfs.c index bba76af..c79a5e3 100644 --- a/drivers/usb/musb/musb_debugfs.c +++ b/drivers/usb/musb/musb_debugfs.c @@ -92,29 +92,29 @@ static const struct musb_register_map musb_regmap[] = { { "LS_EOF1", 0x7E, 8 }, { "SOFT_RST", 0x7F, 8 }, { "DMA_CNTLch0", 0x204, 16 }, - { "DMA_ADDRch0", 0x208, 16 }, - { "DMA_COUNTch0", 0x20C, 16 }, + { "DMA_ADDRch0", 0x208, 32 }, + { "DMA_COUNTch0", 0x20C, 32 }, { "DMA_CNTLch1", 0x214, 16 }, - { "DMA_ADDRch1", 0x218, 16 }, - { "DMA_COUNTch1", 0x21C, 16 }, + { "DMA_ADDRch1", 0x218, 32 }, + { "DMA_COUNTch1", 0x21C, 32 }, { "DMA_CNTLch2", 0x224, 16 }, - { "DMA_ADDRch2", 0x228, 16 }, - { "DMA_COUNTch2", 0x22C, 16 }, + { "DMA_ADDRch2", 0x228, 32 }, + { "DMA_COUNTch2", 0x22C, 32 }, { "DMA_CNTLch3", 0x234, 16 }, - { "DMA_ADDRch3", 0x238, 16 }, - { "DMA_COUNTch3", 0x23C, 16 }, + { "DMA_ADDRch3", 0x238, 32 }, + { "DMA_COUNTch3", 0x23C, 32 }, { "DMA_CNTLch4", 0x244, 16 }, - { "DMA_ADDRch4", 0x248, 16 }, - { "DMA_COUNTch4", 0x24C, 16 }, + { "DMA_ADDRch4", 0x248, 32 }, + { "DMA_COUNTch4", 0x24C, 32 }, { "DMA_CNTLch5", 0x254, 16 }, - { "DMA_ADDRch5", 0x258, 16 }, - { "DMA_COUNTch5", 0x25C, 16 }, + { "DMA_ADDRch5", 0x258, 32 }, + { "DMA_COUNTch5", 0x25C, 32 }, { "DMA_CNTLch6", 0x264, 16 }, - { "DMA_ADDRch6", 0x268, 16 }, - { "DMA_COUNTch6", 0x26C, 16 }, + { "DMA_ADDRch6", 0x268, 32 }, + { "DMA_COUNTch6", 0x26C, 32 }, { "DMA_CNTLch7", 0x274, 16 }, - { "DMA_ADDRch7", 0x278, 16 }, - { "DMA_COUNTch7", 0x27C, 16 }, + { "DMA_ADDRch7", 0x278, 32 }, + { "DMA_COUNTch7", 0x27C, 32 }, { } /* Terminating Entry */ }; diff --git a/drivers/usb/musb/musb_gadget_ep0.c b/drivers/usb/musb/musb_gadget_ep0.c index 21b9788..59bef8f 100644 --- a/drivers/usb/musb/musb_gadget_ep0.c +++ b/drivers/usb/musb/musb_gadget_ep0.c @@ -402,6 +402,9 @@ __acquires(musb->lock) musb->g.a_alt_hnp_support = 1; break; #endif + case USB_DEVICE_DEBUG_MODE: + handled = 0; + break; stall: default: handled = -EINVAL; diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c index 92e85e0..43233c3 100644 --- a/drivers/usb/musb/musb_virthub.c +++ b/drivers/usb/musb/musb_virthub.c @@ -244,7 +244,7 @@ int musb_hub_control( spin_lock_irqsave(&musb->lock, flags); - if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags))) { + if (unlikely(!HCD_HW_ACCESSIBLE(hcd))) { spin_unlock_irqrestore(&musb->lock, flags); return -ESHUTDOWN; } diff --git a/drivers/usb/musb/musbhsdma.c b/drivers/usb/musb/musbhsdma.c index dc66e43..6dc107f 100644 --- a/drivers/usb/musb/musbhsdma.c +++ b/drivers/usb/musb/musbhsdma.c @@ -173,10 +173,7 @@ static int dma_channel_program(struct dma_channel *channel, musb_channel->max_packet_sz = packet_sz; channel->status = MUSB_DMA_STATUS_BUSY; - if ((mode == 1) && (len >= packet_sz)) - configure_channel(channel, packet_sz, 1, dma_addr, len); - else - configure_channel(channel, packet_sz, 0, dma_addr, len); + configure_channel(channel, packet_sz, mode, dma_addr, len); return true; } diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c index e06d65e..2111a24 100644 --- a/drivers/usb/musb/omap2430.c +++ b/drivers/usb/musb/omap2430.c @@ -32,8 +32,6 @@ #include <linux/clk.h> #include <linux/io.h> -#include <plat/mux.h> - #include "musb_core.h" #include "omap2430.h" @@ -194,10 +192,6 @@ int __init musb_platform_init(struct musb *musb, void *board_data) u32 l; struct omap_musb_board_data *data = board_data; -#if defined(CONFIG_ARCH_OMAP2430) - omap_cfg_reg(AE5_2430_USB0HS_STP); -#endif - /* We require some kind of external transceiver, hooked * up through ULPI. TWL4030-family PMICs include one, * which needs a driver, drivers aren't always needed. diff --git a/drivers/usb/otg/Kconfig b/drivers/usb/otg/Kconfig index 3d2d3e5..3b12895 100644 --- a/drivers/usb/otg/Kconfig +++ b/drivers/usb/otg/Kconfig @@ -49,8 +49,6 @@ config USB_ULPI Enable this to support ULPI connected USB OTG transceivers which are likely found on embedded boards. - The only chip currently supported is NXP's ISP1504 - config TWL4030_USB tristate "TWL4030 USB Transceiver Driver" depends on TWL4030_CORE && REGULATOR_TWL4030 diff --git a/drivers/usb/otg/ulpi.c b/drivers/usb/otg/ulpi.c index d331b22..ccc8195 100644 --- a/drivers/usb/otg/ulpi.c +++ b/drivers/usb/otg/ulpi.c @@ -31,30 +31,110 @@ #define ULPI_ID(vendor, product) (((vendor) << 16) | (product)) -#define TR_FLAG(flags, a, b) (((flags) & a) ? b : 0) - /* ULPI hardcoded IDs, used for probing */ static unsigned int ulpi_ids[] = { ULPI_ID(0x04cc, 0x1504), /* NXP ISP1504 */ + ULPI_ID(0x0424, 0x0006), /* SMSC USB3319 */ }; -static int ulpi_set_flags(struct otg_transceiver *otg) +static int ulpi_set_otg_flags(struct otg_transceiver *otg) { - unsigned int flags = 0; + unsigned int flags = ULPI_OTG_CTRL_DP_PULLDOWN | + ULPI_OTG_CTRL_DM_PULLDOWN; - if (otg->flags & USB_OTG_PULLUP_ID) + if (otg->flags & ULPI_OTG_ID_PULLUP) flags |= ULPI_OTG_CTRL_ID_PULLUP; - if (otg->flags & USB_OTG_PULLDOWN_DM) - flags |= ULPI_OTG_CTRL_DM_PULLDOWN; + /* + * ULPI Specification rev.1.1 default + * for Dp/DmPulldown is enabled. + */ + if (otg->flags & ULPI_OTG_DP_PULLDOWN_DIS) + flags &= ~ULPI_OTG_CTRL_DP_PULLDOWN; - if (otg->flags & USB_OTG_PULLDOWN_DP) - flags |= ULPI_OTG_CTRL_DP_PULLDOWN; + if (otg->flags & ULPI_OTG_DM_PULLDOWN_DIS) + flags &= ~ULPI_OTG_CTRL_DM_PULLDOWN; - if (otg->flags & USB_OTG_EXT_VBUS_INDICATOR) + if (otg->flags & ULPI_OTG_EXTVBUSIND) flags |= ULPI_OTG_CTRL_EXTVBUSIND; - return otg_io_write(otg, flags, ULPI_SET(ULPI_OTG_CTRL)); + return otg_io_write(otg, flags, ULPI_OTG_CTRL); +} + +static int ulpi_set_fc_flags(struct otg_transceiver *otg) +{ + unsigned int flags = 0; + + /* + * ULPI Specification rev.1.1 default + * for XcvrSelect is Full Speed. + */ + if (otg->flags & ULPI_FC_HS) + flags |= ULPI_FUNC_CTRL_HIGH_SPEED; + else if (otg->flags & ULPI_FC_LS) + flags |= ULPI_FUNC_CTRL_LOW_SPEED; + else if (otg->flags & ULPI_FC_FS4LS) + flags |= ULPI_FUNC_CTRL_FS4LS; + else + flags |= ULPI_FUNC_CTRL_FULL_SPEED; + + if (otg->flags & ULPI_FC_TERMSEL) + flags |= ULPI_FUNC_CTRL_TERMSELECT; + + /* + * ULPI Specification rev.1.1 default + * for OpMode is Normal Operation. + */ + if (otg->flags & ULPI_FC_OP_NODRV) + flags |= ULPI_FUNC_CTRL_OPMODE_NONDRIVING; + else if (otg->flags & ULPI_FC_OP_DIS_NRZI) + flags |= ULPI_FUNC_CTRL_OPMODE_DISABLE_NRZI; + else if (otg->flags & ULPI_FC_OP_NSYNC_NEOP) + flags |= ULPI_FUNC_CTRL_OPMODE_NOSYNC_NOEOP; + else + flags |= ULPI_FUNC_CTRL_OPMODE_NORMAL; + + /* + * ULPI Specification rev.1.1 default + * for SuspendM is Powered. + */ + flags |= ULPI_FUNC_CTRL_SUSPENDM; + + return otg_io_write(otg, flags, ULPI_FUNC_CTRL); +} + +static int ulpi_set_ic_flags(struct otg_transceiver *otg) +{ + unsigned int flags = 0; + + if (otg->flags & ULPI_IC_AUTORESUME) + flags |= ULPI_IFC_CTRL_AUTORESUME; + + if (otg->flags & ULPI_IC_EXTVBUS_INDINV) + flags |= ULPI_IFC_CTRL_EXTERNAL_VBUS; + + if (otg->flags & ULPI_IC_IND_PASSTHRU) + flags |= ULPI_IFC_CTRL_PASSTHRU; + + if (otg->flags & ULPI_IC_PROTECT_DIS) + flags |= ULPI_IFC_CTRL_PROTECT_IFC_DISABLE; + + return otg_io_write(otg, flags, ULPI_IFC_CTRL); +} + +static int ulpi_set_flags(struct otg_transceiver *otg) +{ + int ret; + + ret = ulpi_set_otg_flags(otg); + if (ret) + return ret; + + ret = ulpi_set_ic_flags(otg); + if (ret) + return ret; + + return ulpi_set_fc_flags(otg); } static int ulpi_init(struct otg_transceiver *otg) @@ -81,6 +161,31 @@ static int ulpi_init(struct otg_transceiver *otg) return -ENODEV; } +static int ulpi_set_host(struct otg_transceiver *otg, struct usb_bus *host) +{ + unsigned int flags = otg_io_read(otg, ULPI_IFC_CTRL); + + if (!host) { + otg->host = NULL; + return 0; + } + + otg->host = host; + + flags &= ~(ULPI_IFC_CTRL_6_PIN_SERIAL_MODE | + ULPI_IFC_CTRL_3_PIN_SERIAL_MODE | + ULPI_IFC_CTRL_CARKITMODE); + + if (otg->flags & ULPI_IC_6PIN_SERIAL) + flags |= ULPI_IFC_CTRL_6_PIN_SERIAL_MODE; + else if (otg->flags & ULPI_IC_3PIN_SERIAL) + flags |= ULPI_IFC_CTRL_3_PIN_SERIAL_MODE; + else if (otg->flags & ULPI_IC_CARKIT) + flags |= ULPI_IFC_CTRL_CARKITMODE; + + return otg_io_write(otg, flags, ULPI_IFC_CTRL); +} + static int ulpi_set_vbus(struct otg_transceiver *otg, bool on) { unsigned int flags = otg_io_read(otg, ULPI_OTG_CTRL); @@ -88,14 +193,14 @@ static int ulpi_set_vbus(struct otg_transceiver *otg, bool on) flags &= ~(ULPI_OTG_CTRL_DRVVBUS | ULPI_OTG_CTRL_DRVVBUS_EXT); if (on) { - if (otg->flags & USB_OTG_DRV_VBUS) + if (otg->flags & ULPI_OTG_DRVVBUS) flags |= ULPI_OTG_CTRL_DRVVBUS; - if (otg->flags & USB_OTG_DRV_VBUS_EXT) + if (otg->flags & ULPI_OTG_DRVVBUS_EXT) flags |= ULPI_OTG_CTRL_DRVVBUS_EXT; } - return otg_io_write(otg, flags, ULPI_SET(ULPI_OTG_CTRL)); + return otg_io_write(otg, flags, ULPI_OTG_CTRL); } struct otg_transceiver * @@ -112,6 +217,7 @@ otg_ulpi_create(struct otg_io_access_ops *ops, otg->flags = flags; otg->io_ops = ops; otg->init = ulpi_init; + otg->set_host = ulpi_set_host; otg->set_vbus = ulpi_set_vbus; return otg; diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig index bd8aab0..916b2b6 100644 --- a/drivers/usb/serial/Kconfig +++ b/drivers/usb/serial/Kconfig @@ -642,6 +642,15 @@ config USB_SERIAL_ZIO To compile this driver as a module, choose M here: the module will be called zio. +config USB_SERIAL_SSU100 + tristate "USB Quatech SSU-100 Single Port Serial Driver" + help + Say Y here if you want to use the Quatech SSU-100 single + port usb to serial adapter. + + To compile this driver as a module, choose M here: the + module will be called ssu100. + config USB_SERIAL_DEBUG tristate "USB Debugging Device" help diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile index e54c728..40ebe17 100644 --- a/drivers/usb/serial/Makefile +++ b/drivers/usb/serial/Makefile @@ -51,6 +51,7 @@ obj-$(CONFIG_USB_SERIAL_SAFE) += safe_serial.o obj-$(CONFIG_USB_SERIAL_SIEMENS_MPI) += siemens_mpi.o obj-$(CONFIG_USB_SERIAL_SIERRAWIRELESS) += sierra.o obj-$(CONFIG_USB_SERIAL_SPCP8X5) += spcp8x5.o +obj-$(CONFIG_USB_SERIAL_SSU100) += ssu100.o obj-$(CONFIG_USB_SERIAL_SYMBOL) += symbolserial.o obj-$(CONFIG_USB_SERIAL_WWAN) += usb_wwan.o obj-$(CONFIG_USB_SERIAL_TI) += ti_usb_3410_5052.o diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 8b8c797..2bef441 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -126,6 +126,10 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x1843, 0x0200) }, /* Vaisala USB Instrument Cable */ { USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */ { USB_DEVICE(0x413C, 0x9500) }, /* DW700 GPS USB interface */ + { USB_DEVICE(0x16DC, 0x0010) }, /* W-IE-NE-R Plein & Baus GmbH PL512 Power Supply */ + { USB_DEVICE(0x16DC, 0x0011) }, /* W-IE-NE-R Plein & Baus GmbH RCM Remote Control for MARATON Power Supply */ + { USB_DEVICE(0x16DC, 0x0012) }, /* W-IE-NE-R Plein & Baus GmbH MPOD Multi Channel Power Supply */ + { USB_DEVICE(0x16DC, 0x0015) }, /* W-IE-NE-R Plein & Baus GmbH CML Control, Monitoring and Data Logger */ { } /* Terminating Entry */ }; diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c index fd35f73..b92070c 100644 --- a/drivers/usb/serial/digi_acceleport.c +++ b/drivers/usb/serial/digi_acceleport.c @@ -609,8 +609,10 @@ static void digi_wakeup_write_lock(struct work_struct *work) static void digi_wakeup_write(struct usb_serial_port *port) { struct tty_struct *tty = tty_port_tty_get(&port->port); - tty_wakeup(tty); - tty_kref_put(tty); + if (tty) { + tty_wakeup(tty); + tty_kref_put(tty); + } } @@ -1682,7 +1684,7 @@ static int digi_read_inb_callback(struct urb *urb) priv->dp_throttle_restart = 1; /* receive data */ - if (opcode == DIGI_CMD_RECEIVE_DATA) { + if (tty && opcode == DIGI_CMD_RECEIVE_DATA) { /* get flag from port_status */ flag = 0; @@ -1763,10 +1765,12 @@ static int digi_read_oob_callback(struct urb *urb) return -1; tty = tty_port_tty_get(&port->port); + rts = 0; - rts = tty->termios->c_cflag & CRTSCTS; + if (tty) + rts = tty->termios->c_cflag & CRTSCTS; - if (opcode == DIGI_CMD_READ_INPUT_SIGNALS) { + if (tty && opcode == DIGI_CMD_READ_INPUT_SIGNALS) { spin_lock(&priv->dp_port_lock); /* convert from digi flags to termiox flags */ if (val & DIGI_READ_INPUT_SIGNALS_CTS) { diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index e34023f..4fc588c 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -157,6 +157,9 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_5_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_6_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_7_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_USINT_CAT_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_USINT_WKEY_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_USINT_RS232_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) }, { USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) }, { USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) }, @@ -746,6 +749,7 @@ static struct usb_device_id id_table_combined [] = { .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH4_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE(FTDI_VID, SEGWAY_RMP200_PID) }, { }, /* Optional parameter entry */ { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index d01946d..6e612c5 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -40,6 +40,11 @@ #define FTDI_NXTCAM_PID 0xABB8 /* NXTCam for Mindstorms NXT */ +/* US Interface Navigator (http://www.usinterface.com/) */ +#define FTDI_USINT_CAT_PID 0xb810 /* Navigator CAT and 2nd PTT lines */ +#define FTDI_USINT_WKEY_PID 0xb811 /* Navigator WKEY and FSK lines */ +#define FTDI_USINT_RS232_PID 0xb812 /* Navigator RS232 and CONFIG lines */ + /* OOCDlink by Joern Kaipf <joernk@web.de> * (http://www.joernonline.de/dw/doku.php?id=start&idx=projects:oocdlink) */ #define FTDI_OOCDLINK_PID 0xbaf8 /* Amontec JTAGkey */ @@ -1032,3 +1037,8 @@ #define XVERVE_SIGNALYZER_SH2_PID 0xBCA2 #define XVERVE_SIGNALYZER_SH4_PID 0xBCA4 +/* + * Segway Robotic Mobility Platform USB interface (using VID 0x0403) + * Submitted by John G. Rogers + */ +#define SEGWAY_RMP200_PID 0xe729 diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index a817ced..ca92f67 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -208,18 +208,23 @@ retry: urb->transfer_buffer_length = count; usb_serial_debug_data(debug, &port->dev, __func__, count, urb->transfer_buffer); + spin_lock_irqsave(&port->lock, flags); + port->tx_bytes += count; + spin_unlock_irqrestore(&port->lock, flags); + + clear_bit(i, &port->write_urbs_free); result = usb_submit_urb(urb, GFP_ATOMIC); if (result) { dev_err(&port->dev, "%s - error submitting urb: %d\n", __func__, result); + set_bit(i, &port->write_urbs_free); + spin_lock_irqsave(&port->lock, flags); + port->tx_bytes -= count; + spin_unlock_irqrestore(&port->lock, flags); + clear_bit_unlock(USB_SERIAL_WRITE_BUSY, &port->flags); return result; } - clear_bit(i, &port->write_urbs_free); - - spin_lock_irqsave(&port->lock, flags); - port->tx_bytes += count; - spin_unlock_irqrestore(&port->lock, flags); /* Try sending off another urb, unless in irq context (in which case * there will be no free urb). */ diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index 4a6da66..9d6be30 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -1298,7 +1298,7 @@ static int download_fw(struct edgeport_serial *serial) kfree(header); kfree(rom_desc); kfree(ti_manuf_desc); - return status; + return -EINVAL; } /* verify the write -- must do this in order for @@ -1321,7 +1321,7 @@ static int download_fw(struct edgeport_serial *serial) kfree(header); kfree(rom_desc); kfree(ti_manuf_desc); - return status; + return -EINVAL; } kfree(vheader); diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c index 28913fa..4735931 100644 --- a/drivers/usb/serial/ipaq.c +++ b/drivers/usb/serial/ipaq.c @@ -534,7 +534,6 @@ static struct usb_device_id ipaq_id_table [] = { { USB_DEVICE(0x413C, 0x4009) }, /* Dell Axim USB Sync */ { USB_DEVICE(0x4505, 0x0010) }, /* Smartphone */ { USB_DEVICE(0x5E04, 0xCE00) }, /* SAGEM Wireless Assistant */ - { USB_DEVICE(0x0BB4, 0x00CF) }, /* HTC smartphone modems */ { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c index 55766a6..12ed594 100644 --- a/drivers/usb/serial/iuu_phoenix.c +++ b/drivers/usb/serial/iuu_phoenix.c @@ -1,6 +1,8 @@ /* * Infinity Unlimited USB Phoenix driver * + * Copyright (C) 2010 James Courtier-Dutton (James@superbug.co.uk) + * Copyright (C) 2007 Alain Degreffe (eczema@ecze.com) * * Original code taken from iuutool (Copyright (C) 2006 Juan Carlos Borrás) @@ -40,7 +42,7 @@ static int debug; /* * Version Information */ -#define DRIVER_VERSION "v0.11" +#define DRIVER_VERSION "v0.12" #define DRIVER_DESC "Infinity USB Unlimited Phoenix driver" static const struct usb_device_id id_table[] = { @@ -81,6 +83,9 @@ struct iuu_private { u8 *dbgbuf; /* debug buffer */ u8 len; int vcc; /* vcc (either 3 or 5 V) */ + u32 baud; + u32 boost; + u32 clk; }; @@ -157,13 +162,14 @@ static int iuu_tiocmset(struct tty_struct *tty, struct file *file, port->number, set, clear); spin_lock_irqsave(&priv->lock, flags); - if (set & TIOCM_RTS) - priv->tiostatus = TIOCM_RTS; - if (!(set & TIOCM_RTS) && priv->tiostatus == TIOCM_RTS) { + if ((set & TIOCM_RTS) && !(priv->tiostatus == TIOCM_RTS)) { dbg("%s TIOCMSET RESET called !!!", __func__); priv->reset = 1; } + if (set & TIOCM_RTS) + priv->tiostatus = TIOCM_RTS; + spin_unlock_irqrestore(&priv->lock, flags); return 0; } @@ -850,20 +856,24 @@ static int iuu_uart_off(struct usb_serial_port *port) return status; } -static int iuu_uart_baud(struct usb_serial_port *port, u32 baud, +static int iuu_uart_baud(struct usb_serial_port *port, u32 baud_base, u32 *actual, u8 parity) { int status; + u32 baud; u8 *dataout; u8 DataCount = 0; u8 T1Frekvens = 0; u8 T1reload = 0; unsigned int T1FrekvensHZ = 0; + dbg("%s - enter baud_base=%d", __func__, baud_base); dataout = kmalloc(sizeof(u8) * 5, GFP_KERNEL); if (!dataout) return -ENOMEM; + /*baud = (((priv->clk / 35) * baud_base) / 100000); */ + baud = baud_base; if (baud < 1200 || baud > 230400) { kfree(dataout); @@ -947,15 +957,20 @@ static void iuu_set_termios(struct tty_struct *tty, struct usb_serial_port *port, struct ktermios *old_termios) { const u32 supported_mask = CMSPAR|PARENB|PARODD; - + struct iuu_private *priv = usb_get_serial_port_data(port); unsigned int cflag = tty->termios->c_cflag; int status; u32 actual; u32 parity; int csize = CS7; - int baud = 9600; /* Fixed for the moment */ + int baud; u32 newval = cflag & supported_mask; + /* Just use the ospeed. ispeed should be the same. */ + baud = tty->termios->c_ospeed; + + dbg("%s - enter c_ospeed or baud=%d", __func__, baud); + /* compute the parity parameter */ parity = 0; if (cflag & CMSPAR) { /* Using mark space */ @@ -975,15 +990,15 @@ static void iuu_set_termios(struct tty_struct *tty, /* set it */ status = iuu_uart_baud(port, - (clockmode == 2) ? 16457 : 9600 * boost / 100, + baud * priv->boost / 100, &actual, parity); /* set the termios value to the real one, so the user now what has * changed. We support few fields so its easies to copy the old hw * settings back over and then adjust them */ - if (old_termios) - tty_termios_copy_hw(tty->termios, old_termios); + if (old_termios) + tty_termios_copy_hw(tty->termios, old_termios); if (status != 0) /* Set failed - return old bits */ return; /* Re-encode speed, parity and csize */ @@ -1017,6 +1032,7 @@ static void iuu_close(struct usb_serial_port *port) static void iuu_init_termios(struct tty_struct *tty) { + dbg("%s - enter", __func__); *(tty->termios) = tty_std_termios; tty->termios->c_cflag = CLOCAL | CREAD | CS8 | B9600 | TIOCM_CTS | CSTOPB | PARENB; @@ -1032,10 +1048,16 @@ static int iuu_open(struct tty_struct *tty, struct usb_serial_port *port) struct usb_serial *serial = port->serial; u8 *buf; int result; + int baud; u32 actual; struct iuu_private *priv = usb_get_serial_port_data(port); - dbg("%s - port %d", __func__, port->number); + baud = tty->termios->c_ospeed; + tty->termios->c_ispeed = baud; + /* Re-encode speed */ + tty_encode_baud_rate(tty, baud, baud); + + dbg("%s - port %d, baud %d", __func__, port->number, baud); usb_clear_halt(serial->dev, port->write_urb->pipe); usb_clear_halt(serial->dev, port->read_urb->pipe); @@ -1070,23 +1092,29 @@ static int iuu_open(struct tty_struct *tty, struct usb_serial_port *port) iuu_uart_on(port); if (boost < 100) boost = 100; + priv->boost = boost; + priv->baud = baud; switch (clockmode) { case 2: /* 3.680 Mhz */ + priv->clk = IUU_CLK_3680000; iuu_clk(port, IUU_CLK_3680000 * boost / 100); result = - iuu_uart_baud(port, 9600 * boost / 100, &actual, + iuu_uart_baud(port, baud * boost / 100, &actual, IUU_PARITY_EVEN); break; case 3: /* 6.00 Mhz */ iuu_clk(port, IUU_CLK_6000000 * boost / 100); + priv->clk = IUU_CLK_6000000; + /* Ratio of 6000000 to 3500000 for baud 9600 */ result = iuu_uart_baud(port, 16457 * boost / 100, &actual, IUU_PARITY_EVEN); break; default: /* 3.579 Mhz */ iuu_clk(port, IUU_CLK_3579000 * boost / 100); + priv->clk = IUU_CLK_3579000; result = - iuu_uart_baud(port, 9600 * boost / 100, &actual, + iuu_uart_baud(port, baud * boost / 100, &actual, IUU_PARITY_EVEN); } diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 5cd30e4..9fc6ea2 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -145,7 +145,10 @@ static void option_instat_callback(struct urb *urb); #define HUAWEI_PRODUCT_E143D 0x143D #define HUAWEI_PRODUCT_E143E 0x143E #define HUAWEI_PRODUCT_E143F 0x143F +#define HUAWEI_PRODUCT_K4505 0x1464 +#define HUAWEI_PRODUCT_K3765 0x1465 #define HUAWEI_PRODUCT_E14AC 0x14AC +#define HUAWEI_PRODUCT_ETS1220 0x1803 #define QUANTA_VENDOR_ID 0x0408 #define QUANTA_PRODUCT_Q101 0xEA02 @@ -264,9 +267,6 @@ static void option_instat_callback(struct urb *urb); #define BANDRICH_PRODUCT_1011 0x1011 #define BANDRICH_PRODUCT_1012 0x1012 -#define AMOI_VENDOR_ID 0x1614 -#define AMOI_PRODUCT_9508 0x0800 - #define QUALCOMM_VENDOR_ID 0x05C6 #define CMOTECH_VENDOR_ID 0x16d8 @@ -482,8 +482,10 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143D, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143E, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143F, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4505, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3765, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_ETS1220, 0xff, 0xff, 0xff) }, { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E14AC) }, - { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_9508) }, { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) }, /* Novatel Merlin V640/XV620 */ { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) }, /* Novatel Merlin V620/S620 */ { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V740) }, /* Novatel Merlin EX720/V740/X720 */ @@ -1017,6 +1019,13 @@ static int option_probe(struct usb_serial *serial, serial->interface->cur_altsetting->desc.bInterfaceClass != 0xff) return -ENODEV; + /* Don't bind network interfaces on Huawei K3765 & K4505 */ + if (serial->dev->descriptor.idVendor == HUAWEI_VENDOR_ID && + (serial->dev->descriptor.idProduct == HUAWEI_PRODUCT_K3765 || + serial->dev->descriptor.idProduct == HUAWEI_PRODUCT_K4505) && + serial->interface->cur_altsetting->desc.bInterfaceNumber == 1) + return -ENODEV; + data = serial->private = kzalloc(sizeof(struct usb_wwan_intf_private), GFP_KERNEL); if (!data) diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c new file mode 100644 index 0000000..6e82d4f --- /dev/null +++ b/drivers/usb/serial/ssu100.c @@ -0,0 +1,698 @@ +/* + * usb-serial driver for Quatech SSU-100 + * + * based on ftdi_sio.c and the original serqt_usb.c from Quatech + * + */ + +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/tty.h> +#include <linux/tty_driver.h> +#include <linux/tty_flip.h> +#include <linux/module.h> +#include <linux/serial.h> +#include <linux/usb.h> +#include <linux/usb/serial.h> +#include <linux/uaccess.h> + +#define QT_OPEN_CLOSE_CHANNEL 0xca +#define QT_SET_GET_DEVICE 0xc2 +#define QT_SET_GET_REGISTER 0xc0 +#define QT_GET_SET_PREBUF_TRIG_LVL 0xcc +#define QT_SET_ATF 0xcd +#define QT_GET_SET_UART 0xc1 +#define QT_TRANSFER_IN 0xc0 +#define QT_HW_FLOW_CONTROL_MASK 0xc5 +#define QT_SW_FLOW_CONTROL_MASK 0xc6 + +#define MODEM_CTL_REGISTER 0x04 +#define MODEM_STATUS_REGISTER 0x06 + + +#define SERIAL_LSR_OE 0x02 +#define SERIAL_LSR_PE 0x04 +#define SERIAL_LSR_FE 0x08 +#define SERIAL_LSR_BI 0x10 + +#define SERIAL_LSR_TEMT 0x40 + +#define SERIAL_MCR_DTR 0x01 +#define SERIAL_MCR_RTS 0x02 +#define SERIAL_MCR_LOOP 0x10 + +#define SERIAL_MSR_CTS 0x10 +#define SERIAL_MSR_CD 0x80 +#define SERIAL_MSR_RI 0x40 +#define SERIAL_MSR_DSR 0x20 +#define SERIAL_MSR_MASK 0xf0 + +#define SERIAL_CRTSCTS ((SERIAL_MCR_RTS << 8) | SERIAL_MSR_CTS) + +#define SERIAL_8_DATA 0x03 +#define SERIAL_7_DATA 0x02 +#define SERIAL_6_DATA 0x01 +#define SERIAL_5_DATA 0x00 + +#define SERIAL_ODD_PARITY 0X08 +#define SERIAL_EVEN_PARITY 0X18 + +#define MAX_BAUD_RATE 460800 + +#define ATC_DISABLED 0x00 +#define DUPMODE_BITS 0xc0 +#define RR_BITS 0x03 +#define LOOPMODE_BITS 0x41 +#define RS232_MODE 0x00 +#define RTSCTS_TO_CONNECTOR 0x40 +#define CLKS_X4 0x02 +#define FULLPWRBIT 0x00000080 +#define NEXT_BOARD_POWER_BIT 0x00000004 + +static int debug = 1; + +/* Version Information */ +#define DRIVER_VERSION "v0.1" +#define DRIVER_DESC "Quatech SSU-100 USB to Serial Driver" + +#define USB_VENDOR_ID_QUATECH 0x061d /* Quatech VID */ +#define QUATECH_SSU100 0xC020 /* SSU100 */ + +static const struct usb_device_id id_table[] = { + {USB_DEVICE(USB_VENDOR_ID_QUATECH, QUATECH_SSU100)}, + {} /* Terminating entry */ +}; + +MODULE_DEVICE_TABLE(usb, id_table); + + +static struct usb_driver ssu100_driver = { + .name = "ssu100", + .probe = usb_serial_probe, + .disconnect = usb_serial_disconnect, + .id_table = id_table, + .suspend = usb_serial_suspend, + .resume = usb_serial_resume, + .no_dynamic_id = 1, + .supports_autosuspend = 1, +}; + +struct ssu100_port_private { + u8 shadowLSR; + u8 shadowMSR; + wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */ + unsigned short max_packet_size; +}; + +static void ssu100_release(struct usb_serial *serial) +{ + struct ssu100_port_private *priv = usb_get_serial_port_data(*serial->port); + + dbg("%s", __func__); + kfree(priv); +} + +static inline int ssu100_control_msg(struct usb_device *dev, + u8 request, u16 data, u16 index) +{ + return usb_control_msg(dev, usb_sndctrlpipe(dev, 0), + request, 0x40, data, index, + NULL, 0, 300); +} + +static inline int ssu100_setdevice(struct usb_device *dev, u8 *data) +{ + u16 x = ((u16)(data[1] << 8) | (u16)(data[0])); + + return ssu100_control_msg(dev, QT_SET_GET_DEVICE, x, 0); +} + + +static inline int ssu100_getdevice(struct usb_device *dev, u8 *data) +{ + return usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), + QT_SET_GET_DEVICE, 0xc0, 0, 0, + data, 3, 300); +} + +static inline int ssu100_getregister(struct usb_device *dev, + unsigned short uart, + unsigned short reg, + u8 *data) +{ + return usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), + QT_SET_GET_REGISTER, 0xc0, reg, + uart, data, sizeof(*data), 300); + +} + + +static inline int ssu100_setregister(struct usb_device *dev, + unsigned short uart, + u16 data) +{ + u16 value = (data << 8) | MODEM_CTL_REGISTER; + + return usb_control_msg(dev, usb_sndctrlpipe(dev, 0), + QT_SET_GET_REGISTER, 0x40, value, uart, + NULL, 0, 300); + +} + +#define set_mctrl(dev, set) update_mctrl((dev), (set), 0) +#define clear_mctrl(dev, clear) update_mctrl((dev), 0, (clear)) + +/* these do not deal with device that have more than 1 port */ +static inline int update_mctrl(struct usb_device *dev, unsigned int set, + unsigned int clear) +{ + unsigned urb_value; + int result; + + if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) { + dbg("%s - DTR|RTS not being set|cleared", __func__); + return 0; /* no change */ + } + + clear &= ~set; /* 'set' takes precedence over 'clear' */ + urb_value = 0; + if (set & TIOCM_DTR) + urb_value |= SERIAL_MCR_DTR; + if (set & TIOCM_RTS) + urb_value |= SERIAL_MCR_RTS; + + result = ssu100_setregister(dev, 0, urb_value); + if (result < 0) + dbg("%s Error from MODEM_CTRL urb", __func__); + + return result; +} + +static int ssu100_initdevice(struct usb_device *dev) +{ + u8 *data; + int result = 0; + + dbg("%s", __func__); + + data = kzalloc(3, GFP_KERNEL); + if (!data) + return -ENOMEM; + + result = ssu100_getdevice(dev, data); + if (result < 0) { + dbg("%s - get_device failed %i", __func__, result); + goto out; + } + + data[1] &= ~FULLPWRBIT; + + result = ssu100_setdevice(dev, data); + if (result < 0) { + dbg("%s - setdevice failed %i", __func__, result); + goto out; + } + + result = ssu100_control_msg(dev, QT_GET_SET_PREBUF_TRIG_LVL, 128, 0); + if (result < 0) { + dbg("%s - set prebuffer level failed %i", __func__, result); + goto out; + } + + result = ssu100_control_msg(dev, QT_SET_ATF, ATC_DISABLED, 0); + if (result < 0) { + dbg("%s - set ATFprebuffer level failed %i", __func__, result); + goto out; + } + + result = ssu100_getdevice(dev, data); + if (result < 0) { + dbg("%s - get_device failed %i", __func__, result); + goto out; + } + + data[0] &= ~(RR_BITS | DUPMODE_BITS); + data[0] |= CLKS_X4; + data[1] &= ~(LOOPMODE_BITS); + data[1] |= RS232_MODE; + + result = ssu100_setdevice(dev, data); + if (result < 0) { + dbg("%s - setdevice failed %i", __func__, result); + goto out; + } + +out: kfree(data); + return result; + +} + + +static void ssu100_set_termios(struct tty_struct *tty, + struct usb_serial_port *port, + struct ktermios *old_termios) +{ + struct usb_device *dev = port->serial->dev; + struct ktermios *termios = tty->termios; + u16 baud, divisor, remainder; + unsigned int cflag = termios->c_cflag; + u16 urb_value = 0; /* will hold the new flags */ + int result; + + dbg("%s", __func__); + + if (cflag & PARENB) { + if (cflag & PARODD) + urb_value |= SERIAL_ODD_PARITY; + else + urb_value |= SERIAL_EVEN_PARITY; + } + + switch (cflag & CSIZE) { + case CS5: + urb_value |= SERIAL_5_DATA; + break; + case CS6: + urb_value |= SERIAL_6_DATA; + break; + case CS7: + urb_value |= SERIAL_7_DATA; + break; + default: + case CS8: + urb_value |= SERIAL_8_DATA; + break; + } + + baud = tty_get_baud_rate(tty); + if (!baud) + baud = 9600; + + dbg("%s - got baud = %d\n", __func__, baud); + + + divisor = MAX_BAUD_RATE / baud; + remainder = MAX_BAUD_RATE % baud; + if (((remainder * 2) >= baud) && (baud != 110)) + divisor++; + + urb_value = urb_value << 8; + + result = ssu100_control_msg(dev, QT_GET_SET_UART, divisor, urb_value); + if (result < 0) + dbg("%s - set uart failed", __func__); + + if (cflag & CRTSCTS) + result = ssu100_control_msg(dev, QT_HW_FLOW_CONTROL_MASK, + SERIAL_CRTSCTS, 0); + else + result = ssu100_control_msg(dev, QT_HW_FLOW_CONTROL_MASK, + 0, 0); + if (result < 0) + dbg("%s - set HW flow control failed", __func__); + + if (I_IXOFF(tty) || I_IXON(tty)) { + u16 x = ((u16)(START_CHAR(tty) << 8) | (u16)(STOP_CHAR(tty))); + + result = ssu100_control_msg(dev, QT_SW_FLOW_CONTROL_MASK, + x, 0); + } else + result = ssu100_control_msg(dev, QT_SW_FLOW_CONTROL_MASK, + 0, 0); + + if (result < 0) + dbg("%s - set SW flow control failed", __func__); + +} + + +static int ssu100_open(struct tty_struct *tty, struct usb_serial_port *port) +{ + struct usb_device *dev = port->serial->dev; + struct ssu100_port_private *priv = usb_get_serial_port_data(port); + u8 *data; + int result; + + dbg("%s - port %d", __func__, port->number); + + data = kzalloc(2, GFP_KERNEL); + if (!data) + return -ENOMEM; + + result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), + QT_OPEN_CLOSE_CHANNEL, + QT_TRANSFER_IN, 0x01, + 0, data, 2, 300); + if (result < 0) { + dbg("%s - open failed %i", __func__, result); + kfree(data); + return result; + } + + priv->shadowLSR = data[0] & (SERIAL_LSR_OE | SERIAL_LSR_PE | + SERIAL_LSR_FE | SERIAL_LSR_BI); + + priv->shadowMSR = data[1] & (SERIAL_MSR_CTS | SERIAL_MSR_DSR | + SERIAL_MSR_RI | SERIAL_MSR_CD); + + kfree(data); + +/* set to 9600 */ + result = ssu100_control_msg(dev, QT_GET_SET_UART, 0x30, 0x0300); + if (result < 0) + dbg("%s - set uart failed", __func__); + + if (tty) + ssu100_set_termios(tty, port, tty->termios); + + return usb_serial_generic_open(tty, port); +} + +static void ssu100_close(struct usb_serial_port *port) +{ + dbg("%s", __func__); + usb_serial_generic_close(port); +} + +static int get_serial_info(struct usb_serial_port *port, + struct serial_struct __user *retinfo) +{ + struct serial_struct tmp; + + if (!retinfo) + return -EFAULT; + + memset(&tmp, 0, sizeof(tmp)); + tmp.line = port->serial->minor; + tmp.port = 0; + tmp.irq = 0; + tmp.flags = ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ; + tmp.xmit_fifo_size = port->bulk_out_size; + tmp.baud_base = 9600; + tmp.close_delay = 5*HZ; + tmp.closing_wait = 30*HZ; + + if (copy_to_user(retinfo, &tmp, sizeof(*retinfo))) + return -EFAULT; + return 0; +} + +static int ssu100_ioctl(struct tty_struct *tty, struct file *file, + unsigned int cmd, unsigned long arg) +{ + struct usb_serial_port *port = tty->driver_data; + struct ssu100_port_private *priv = usb_get_serial_port_data(port); + + dbg("%s cmd 0x%04x", __func__, cmd); + + switch (cmd) { + case TIOCGSERIAL: + return get_serial_info(port, + (struct serial_struct __user *) arg); + + case TIOCMIWAIT: + while (priv != NULL) { + u8 prevMSR = priv->shadowMSR & SERIAL_MSR_MASK; + interruptible_sleep_on(&priv->delta_msr_wait); + /* see if a signal did it */ + if (signal_pending(current)) + return -ERESTARTSYS; + else { + u8 diff = (priv->shadowMSR & SERIAL_MSR_MASK) ^ prevMSR; + if (!diff) + return -EIO; /* no change => error */ + + /* Return 0 if caller wanted to know about + these bits */ + + if (((arg & TIOCM_RNG) && (diff & SERIAL_MSR_RI)) || + ((arg & TIOCM_DSR) && (diff & SERIAL_MSR_DSR)) || + ((arg & TIOCM_CD) && (diff & SERIAL_MSR_CD)) || + ((arg & TIOCM_CTS) && (diff & SERIAL_MSR_CTS))) + return 0; + } + } + return 0; + + default: + break; + } + + dbg("%s arg not supported", __func__); + + return -ENOIOCTLCMD; +} + +static void ssu100_set_max_packet_size(struct usb_serial_port *port) +{ + struct ssu100_port_private *priv = usb_get_serial_port_data(port); + struct usb_serial *serial = port->serial; + struct usb_device *udev = serial->dev; + + struct usb_interface *interface = serial->interface; + struct usb_endpoint_descriptor *ep_desc = &interface->cur_altsetting->endpoint[1].desc; + + unsigned num_endpoints; + int i; + + num_endpoints = interface->cur_altsetting->desc.bNumEndpoints; + dev_info(&udev->dev, "Number of endpoints %d\n", num_endpoints); + + for (i = 0; i < num_endpoints; i++) { + dev_info(&udev->dev, "Endpoint %d MaxPacketSize %d\n", i+1, + interface->cur_altsetting->endpoint[i].desc.wMaxPacketSize); + ep_desc = &interface->cur_altsetting->endpoint[i].desc; + } + + /* set max packet size based on descriptor */ + priv->max_packet_size = ep_desc->wMaxPacketSize; + + dev_info(&udev->dev, "Setting MaxPacketSize %d\n", priv->max_packet_size); +} + +static int ssu100_attach(struct usb_serial *serial) +{ + struct ssu100_port_private *priv; + struct usb_serial_port *port = *serial->port; + + dbg("%s", __func__); + + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + if (!priv) { + dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n", __func__, + sizeof(*priv)); + return -ENOMEM; + } + + init_waitqueue_head(&priv->delta_msr_wait); + usb_set_serial_port_data(port, priv); + + ssu100_set_max_packet_size(port); + + return ssu100_initdevice(serial->dev); +} + +static int ssu100_tiocmget(struct tty_struct *tty, struct file *file) +{ + struct usb_serial_port *port = tty->driver_data; + struct usb_device *dev = port->serial->dev; + u8 *d; + int r; + + dbg("%s\n", __func__); + + d = kzalloc(2, GFP_KERNEL); + if (!d) + return -ENOMEM; + + r = ssu100_getregister(dev, 0, MODEM_CTL_REGISTER, d); + if (r < 0) + goto mget_out; + + r = ssu100_getregister(dev, 0, MODEM_STATUS_REGISTER, d+1); + if (r < 0) + goto mget_out; + + r = (d[0] & SERIAL_MCR_DTR ? TIOCM_DTR : 0) | + (d[0] & SERIAL_MCR_RTS ? TIOCM_RTS : 0) | + (d[1] & SERIAL_MSR_CTS ? TIOCM_CTS : 0) | + (d[1] & SERIAL_MSR_CD ? TIOCM_CAR : 0) | + (d[1] & SERIAL_MSR_RI ? TIOCM_RI : 0) | + (d[1] & SERIAL_MSR_DSR ? TIOCM_DSR : 0); + +mget_out: + kfree(d); + return r; +} + +static int ssu100_tiocmset(struct tty_struct *tty, struct file *file, + unsigned int set, unsigned int clear) +{ + struct usb_serial_port *port = tty->driver_data; + struct usb_device *dev = port->serial->dev; + + dbg("%s\n", __func__); + return update_mctrl(dev, set, clear); +} + +static void ssu100_dtr_rts(struct usb_serial_port *port, int on) +{ + struct usb_device *dev = port->serial->dev; + + dbg("%s\n", __func__); + + mutex_lock(&port->serial->disc_mutex); + if (!port->serial->disconnected) { + /* Disable flow control */ + if (!on && + ssu100_setregister(dev, 0, 0) < 0) + dev_err(&port->dev, "error from flowcontrol urb\n"); + /* drop RTS and DTR */ + if (on) + set_mctrl(dev, TIOCM_DTR | TIOCM_RTS); + else + clear_mctrl(dev, TIOCM_DTR | TIOCM_RTS); + } + mutex_unlock(&port->serial->disc_mutex); +} + +static int ssu100_process_packet(struct tty_struct *tty, + struct usb_serial_port *port, + struct ssu100_port_private *priv, + char *packet, int len) +{ + int i; + char flag; + char *ch; + + dbg("%s - port %d", __func__, port->number); + + if (len < 4) { + dbg("%s - malformed packet", __func__); + return 0; + } + + if ((packet[0] == 0x1b) && (packet[1] == 0x1b) && + ((packet[2] == 0x00) || (packet[2] == 0x01))) { + if (packet[2] == 0x00) + priv->shadowLSR = packet[3] & (SERIAL_LSR_OE | + SERIAL_LSR_PE | + SERIAL_LSR_FE | + SERIAL_LSR_BI); + + if (packet[2] == 0x01) { + priv->shadowMSR = packet[3]; + wake_up_interruptible(&priv->delta_msr_wait); + } + + len -= 4; + ch = packet + 4; + } else + ch = packet; + + if (!len) + return 0; /* status only */ + + if (port->port.console && port->sysrq) { + for (i = 0; i < len; i++, ch++) { + if (!usb_serial_handle_sysrq_char(tty, port, *ch)) + tty_insert_flip_char(tty, *ch, flag); + } + } else + tty_insert_flip_string_fixed_flag(tty, ch, flag, len); + + return len; +} + +static void ssu100_process_read_urb(struct urb *urb) +{ + struct usb_serial_port *port = urb->context; + struct ssu100_port_private *priv = usb_get_serial_port_data(port); + char *data = (char *)urb->transfer_buffer; + struct tty_struct *tty; + int count = 0; + int i; + int len; + + dbg("%s", __func__); + + tty = tty_port_tty_get(&port->port); + if (!tty) + return; + + for (i = 0; i < urb->actual_length; i += priv->max_packet_size) { + len = min_t(int, urb->actual_length - i, priv->max_packet_size); + count += ssu100_process_packet(tty, port, priv, &data[i], len); + } + + if (count) + tty_flip_buffer_push(tty); + tty_kref_put(tty); +} + + +static struct usb_serial_driver ssu100_device = { + .driver = { + .owner = THIS_MODULE, + .name = "ssu100", + }, + .description = DRIVER_DESC, + .id_table = id_table, + .usb_driver = &ssu100_driver, + .num_ports = 1, + .bulk_in_size = 256, + .bulk_out_size = 256, + .open = ssu100_open, + .close = ssu100_close, + .attach = ssu100_attach, + .release = ssu100_release, + .dtr_rts = ssu100_dtr_rts, + .process_read_urb = ssu100_process_read_urb, + .tiocmget = ssu100_tiocmget, + .tiocmset = ssu100_tiocmset, + .ioctl = ssu100_ioctl, + .set_termios = ssu100_set_termios, +}; + +static int __init ssu100_init(void) +{ + int retval; + + dbg("%s", __func__); + + /* register with usb-serial */ + retval = usb_serial_register(&ssu100_device); + + if (retval) + goto failed_usb_sio_register; + + retval = usb_register(&ssu100_driver); + if (retval) + goto failed_usb_register; + + printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" + DRIVER_DESC "\n"); + + return 0; + +failed_usb_register: + usb_serial_deregister(&ssu100_device); +failed_usb_sio_register: + return retval; +} + +static void __exit ssu100_exit(void) +{ + usb_deregister(&ssu100_driver); + usb_serial_deregister(&ssu100_device); +} + +module_init(ssu100_init); +module_exit(ssu100_exit); + +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +module_param(debug, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(debug, "Debug enabled or not"); diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 941c2d4..2a982e6 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -653,6 +653,7 @@ exit: return id; } +/* Caller must hold table_lock */ static struct usb_serial_driver *search_serial_device( struct usb_interface *iface) { @@ -718,17 +719,23 @@ int usb_serial_probe(struct usb_interface *interface, int num_ports = 0; int max_endpoints; - lock_kernel(); /* guard against unloading a serial driver module */ + mutex_lock(&table_lock); type = search_serial_device(interface); if (!type) { - unlock_kernel(); + mutex_unlock(&table_lock); dbg("none matched"); return -ENODEV; } + if (!try_module_get(type->driver.owner)) { + mutex_unlock(&table_lock); + dev_err(&interface->dev, "module get failed, exiting\n"); + return -EIO; + } + mutex_unlock(&table_lock); + serial = create_serial(dev, interface, type); if (!serial) { - unlock_kernel(); dev_err(&interface->dev, "%s - out of memory\n", __func__); return -ENOMEM; } @@ -737,20 +744,11 @@ int usb_serial_probe(struct usb_interface *interface, if (type->probe) { const struct usb_device_id *id; - if (!try_module_get(type->driver.owner)) { - unlock_kernel(); - dev_err(&interface->dev, - "module get failed, exiting\n"); - kfree(serial); - return -EIO; - } - id = get_iface_id(type, interface); retval = type->probe(serial, id); module_put(type->driver.owner); if (retval) { - unlock_kernel(); dbg("sub driver rejected device"); kfree(serial); return retval; @@ -822,7 +820,6 @@ int usb_serial_probe(struct usb_interface *interface, * properly during a later invocation of usb_serial_probe */ if (num_bulk_in == 0 || num_bulk_out == 0) { - unlock_kernel(); dev_info(&interface->dev, "PL-2303 hack: descriptors matched but endpoints did not\n"); kfree(serial); return -ENODEV; @@ -835,7 +832,6 @@ int usb_serial_probe(struct usb_interface *interface, if (type == &usb_serial_generic_device) { num_ports = num_bulk_out; if (num_ports == 0) { - unlock_kernel(); dev_err(&interface->dev, "Generic device with no bulk out, not allowed.\n"); kfree(serial); @@ -847,7 +843,6 @@ int usb_serial_probe(struct usb_interface *interface, /* if this device type has a calc_num_ports function, call it */ if (type->calc_num_ports) { if (!try_module_get(type->driver.owner)) { - unlock_kernel(); dev_err(&interface->dev, "module get failed, exiting\n"); kfree(serial); @@ -878,7 +873,6 @@ int usb_serial_probe(struct usb_interface *interface, max_endpoints = max(max_endpoints, num_interrupt_out); max_endpoints = max(max_endpoints, (int)serial->num_ports); serial->num_port_pointers = max_endpoints; - unlock_kernel(); dbg("%s - setting up %d port structures for this device", __func__, max_endpoints); @@ -1077,6 +1071,8 @@ int usb_serial_probe(struct usb_interface *interface, dev_set_name(&port->dev, "ttyUSB%d", port->number); dbg ("%s - registering %s", __func__, dev_name(&port->dev)); port->dev_state = PORT_REGISTERING; + device_enable_async_suspend(&port->dev); + retval = device_add(&port->dev); if (retval) { dev_err(&port->dev, "Error registering port device, " @@ -1349,6 +1345,7 @@ int usb_serial_register(struct usb_serial_driver *driver) driver->description = driver->driver.name; /* Add this device to our list of devices */ + mutex_lock(&table_lock); list_add(&driver->driver_list, &usb_serial_driver_list); retval = usb_serial_bus_register(driver); @@ -1360,6 +1357,7 @@ int usb_serial_register(struct usb_serial_driver *driver) printk(KERN_INFO "USB Serial support registered for %s\n", driver->description); + mutex_unlock(&table_lock); return retval; } EXPORT_SYMBOL_GPL(usb_serial_register); @@ -1370,8 +1368,10 @@ void usb_serial_deregister(struct usb_serial_driver *device) /* must be called with BKL held */ printk(KERN_INFO "USB Serial deregistering driver %s\n", device->description); + mutex_lock(&table_lock); list_del(&device->driver_list); usb_serial_bus_deregister(device); + mutex_unlock(&table_lock); } EXPORT_SYMBOL_GPL(usb_serial_deregister); diff --git a/drivers/usb/storage/freecom.c b/drivers/usb/storage/freecom.c index 54cc942..6542ca4 100644 --- a/drivers/usb/storage/freecom.c +++ b/drivers/usb/storage/freecom.c @@ -269,7 +269,7 @@ static int freecom_transport(struct scsi_cmnd *srb, struct us_data *us) /* The firmware will time-out commands after 20 seconds. Some commands * can legitimately take longer than this, so we use a different * command that only waits for the interrupt and then sends status, - * without having to send a new ATAPI command to the device. + * without having to send a new ATAPI command to the device. * * NOTE: There is some indication that a data transfer after a timeout * may not work, but that is a condition that should never happen. @@ -324,14 +324,14 @@ static int freecom_transport(struct scsi_cmnd *srb, struct us_data *us) /* Find the length we desire to read. */ switch (srb->cmnd[0]) { - case INQUIRY: - case REQUEST_SENSE: /* 16 or 18 bytes? spec says 18, lots of devices only have 16 */ - case MODE_SENSE: - case MODE_SENSE_10: - length = le16_to_cpu(fst->Count); - break; - default: - length = scsi_bufflen(srb); + case INQUIRY: + case REQUEST_SENSE: /* 16 or 18 bytes? spec says 18, lots of devices only have 16 */ + case MODE_SENSE: + case MODE_SENSE_10: + length = le16_to_cpu(fst->Count); + break; + default: + length = scsi_bufflen(srb); } /* verify that this amount is legal */ @@ -414,7 +414,7 @@ static int freecom_transport(struct scsi_cmnd *srb, struct us_data *us) /* should never hit here -- filtered in usb.c */ US_DEBUGP ("freecom unimplemented direction: %d\n", us->srb->sc_data_direction); - // Return fail, SCSI seems to handle this better. + /* Return fail, SCSI seems to handle this better. */ return USB_STOR_TRANSPORT_FAILED; break; } @@ -494,8 +494,7 @@ static void pdump (void *ibuffer, int length) offset = 0; } offset += sprintf (line+offset, "%08x:", i); - } - else if ((i & 7) == 0) { + } else if ((i & 7) == 0) { offset += sprintf (line+offset, " -"); } offset += sprintf (line+offset, " %02x", buffer[i] & 0xff); diff --git a/drivers/usb/storage/isd200.c b/drivers/usb/storage/isd200.c index e9cbc14..6b9982c 100644 --- a/drivers/usb/storage/isd200.c +++ b/drivers/usb/storage/isd200.c @@ -1456,8 +1456,7 @@ static int isd200_init_info(struct us_data *us) int retStatus = ISD200_GOOD; struct isd200_info *info; - info = (struct isd200_info *) - kzalloc(sizeof(struct isd200_info), GFP_KERNEL); + info = kzalloc(sizeof(struct isd200_info), GFP_KERNEL); if (!info) retStatus = ISD200_ERROR; else { diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index a7d0bf9..90bb017 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -336,6 +336,7 @@ static int usb_stor_control_thread(void * __us) else { US_DEBUG(usb_stor_show_command(us->srb)); us->proto_handler(us->srb, us); + usb_mark_last_busy(us->pusb_dev); } /* lock access to the state */ @@ -845,6 +846,7 @@ static int usb_stor_scan_thread(void * __us) /* Should we unbind if no devices were detected? */ } + usb_autopm_put_interface(us->pusb_intf); complete_and_exit(&us->scanning_done, 0); } @@ -968,6 +970,7 @@ int usb_stor_probe2(struct us_data *us) goto BadDevice; } + usb_autopm_get_interface_no_resume(us->pusb_intf); wake_up_process(th); return 0; @@ -1040,6 +1043,7 @@ static struct usb_driver usb_storage_driver = { .pre_reset = usb_stor_pre_reset, .post_reset = usb_stor_post_reset, .id_table = usb_storage_usb_ids, + .supports_autosuspend = 1, .soft_unbind = 1, }; diff --git a/drivers/usb/usb-skeleton.c b/drivers/usb/usb-skeleton.c index d110588..552679b 100644 --- a/drivers/usb/usb-skeleton.c +++ b/drivers/usb/usb-skeleton.c @@ -142,7 +142,7 @@ static int skel_release(struct inode *inode, struct file *file) { struct usb_skel *dev; - dev = (struct usb_skel *)file->private_data; + dev = file->private_data; if (dev == NULL) return -ENODEV; @@ -162,7 +162,7 @@ static int skel_flush(struct file *file, fl_owner_t id) struct usb_skel *dev; int res; - dev = (struct usb_skel *)file->private_data; + dev = file->private_data; if (dev == NULL) return -ENODEV; @@ -246,7 +246,7 @@ static ssize_t skel_read(struct file *file, char *buffer, size_t count, int rv; bool ongoing_io; - dev = (struct usb_skel *)file->private_data; + dev = file->private_data; /* if we cannot read at all, return EOF */ if (!dev->bulk_in_urb || !count) @@ -401,7 +401,7 @@ static ssize_t skel_write(struct file *file, const char *user_buffer, char *buf = NULL; size_t writesize = min(count, (size_t)MAX_TRANSFER); - dev = (struct usb_skel *)file->private_data; + dev = file->private_data; /* verify that we actually have some data to write */ if (count == 0) diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index 3b3f574..26bf7cb 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -283,7 +283,8 @@ static inline int fbcon_is_inactive(struct vc_data *vc, struct fb_info *info) struct fbcon_ops *ops = info->fbcon_par; return (info->state != FBINFO_STATE_RUNNING || - vc->vc_mode != KD_TEXT || ops->graphics); + vc->vc_mode != KD_TEXT || ops->graphics) && + !vt_force_oops_output(vc); } static inline int get_color(struct vc_data *vc, struct fb_info *info, @@ -1073,6 +1074,7 @@ static void fbcon_init(struct vc_data *vc, int init) if (p->userfont) charcnt = FNTCHARCNT(p->fontdata); + vc->vc_panic_force_write = !!(info->flags & FBINFO_CAN_FORCE_OUTPUT); vc->vc_can_do_color = (fb_get_color_depth(&info->var, &info->fix)!=1); vc->vc_complement_mask = vc->vc_can_do_color ? 0x7700 : 0x0800; if (charcnt == 256) { diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index 182dd6f..54e32c5 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -1108,7 +1108,6 @@ static int vgacon_do_font_op(struct vgastate *state,char *arg,int set,int ch512) charmap += 4 * cmapsz; #endif - unlock_kernel(); spin_lock_irq(&vga_lock); /* First, the Sequencer */ vga_wseq(state->vgabase, VGA_SEQ_RESET, 0x1); @@ -1192,7 +1191,6 @@ static int vgacon_do_font_op(struct vgastate *state,char *arg,int set,int ch512) vga_wattr(state->vgabase, VGA_AR_ENABLE_DISPLAY, 0); } spin_unlock_irq(&vga_lock); - lock_kernel(); return 0; } diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index b04b184..4d2992a 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -73,6 +73,13 @@ config WM8350_WATCHDOG # ARM Architecture +config ARM_SP805_WATCHDOG + tristate "ARM SP805 Watchdog" + depends on ARM_AMBA + help + ARM Primecell SP805 Watchdog timer. This will reboot your system when + the timeout is reached. + config AT91RM9200_WATCHDOG tristate "AT91RM9200 watchdog" depends on ARCH_AT91RM9200 @@ -401,6 +408,17 @@ config ALIM7101_WDT Most people will say N. +config F71808E_WDT + tristate "Fintek F71808E and F71882FG Watchdog" + depends on X86 && EXPERIMENTAL + help + This is the driver for the hardware watchdog on the Fintek + F71808E and F71882FG Super I/O controllers. + + You can compile this driver directly into the kernel, or use + it as a module. The module will be called f71808e_wdt. + + config GEODE_WDT tristate "AMD Geode CS5535/CS5536 Watchdog" depends on CS5535_MFGPT diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index e30289a..8374503 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -25,6 +25,7 @@ obj-$(CONFIG_USBPCWATCHDOG) += pcwd_usb.o # ALPHA Architecture # ARM Architecture +obj-$(CONFIG_ARM_SP805_WATCHDOG) += sp805_wdt.o obj-$(CONFIG_AT91RM9200_WATCHDOG) += at91rm9200_wdt.o obj-$(CONFIG_AT91SAM9X_WATCHDOG) += at91sam9_wdt.o obj-$(CONFIG_OMAP_WATCHDOG) += omap_wdt.o @@ -66,6 +67,7 @@ obj-$(CONFIG_ACQUIRE_WDT) += acquirewdt.o obj-$(CONFIG_ADVANTECH_WDT) += advantechwdt.o obj-$(CONFIG_ALIM1535_WDT) += alim1535_wdt.o obj-$(CONFIG_ALIM7101_WDT) += alim7101_wdt.o +obj-$(CONFIG_F71808E_WDT) += f71808e_wdt.o obj-$(CONFIG_GEODE_WDT) += geodewdt.o obj-$(CONFIG_SC520_WDT) += sc520_wdt.o obj-$(CONFIG_SBC_FITPC2_WATCHDOG) += sbc_fitpc2_wdt.o diff --git a/drivers/watchdog/f71808e_wdt.c b/drivers/watchdog/f71808e_wdt.c new file mode 100644 index 0000000..7e5c266 --- /dev/null +++ b/drivers/watchdog/f71808e_wdt.c @@ -0,0 +1,768 @@ +/*************************************************************************** + * Copyright (C) 2006 by Hans Edgington <hans@edgington.nl> * + * Copyright (C) 2007-2009 Hans de Goede <hdegoede@redhat.com> * + * Copyright (C) 2010 Giel van Schijndel <me@mortis.eu> * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ + +#include <linux/err.h> +#include <linux/fs.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/ioport.h> +#include <linux/miscdevice.h> +#include <linux/module.h> +#include <linux/mutex.h> +#include <linux/notifier.h> +#include <linux/reboot.h> +#include <linux/uaccess.h> +#include <linux/watchdog.h> + +#define DRVNAME "f71808e_wdt" + +#define SIO_F71808FG_LD_WDT 0x07 /* Watchdog timer logical device */ +#define SIO_UNLOCK_KEY 0x87 /* Key to enable Super-I/O */ +#define SIO_LOCK_KEY 0xAA /* Key to diasble Super-I/O */ + +#define SIO_REG_LDSEL 0x07 /* Logical device select */ +#define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */ +#define SIO_REG_DEVREV 0x22 /* Device revision */ +#define SIO_REG_MANID 0x23 /* Fintek ID (2 bytes) */ +#define SIO_REG_ENABLE 0x30 /* Logical device enable */ +#define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */ + +#define SIO_FINTEK_ID 0x1934 /* Manufacturers ID */ +#define SIO_F71808_ID 0x0901 /* Chipset ID */ +#define SIO_F71858_ID 0x0507 /* Chipset ID */ +#define SIO_F71862_ID 0x0601 /* Chipset ID */ +#define SIO_F71882_ID 0x0541 /* Chipset ID */ +#define SIO_F71889_ID 0x0723 /* Chipset ID */ + +#define F71882FG_REG_START 0x01 + +#define F71808FG_REG_WDO_CONF 0xf0 +#define F71808FG_REG_WDT_CONF 0xf5 +#define F71808FG_REG_WD_TIME 0xf6 + +#define F71808FG_FLAG_WDOUT_EN 7 + +#define F71808FG_FLAG_WDTMOUT_STS 5 +#define F71808FG_FLAG_WD_EN 5 +#define F71808FG_FLAG_WD_PULSE 4 +#define F71808FG_FLAG_WD_UNIT 3 + +/* Default values */ +#define WATCHDOG_TIMEOUT 60 /* 1 minute default timeout */ +#define WATCHDOG_MAX_TIMEOUT (60 * 255) +#define WATCHDOG_PULSE_WIDTH 125 /* 125 ms, default pulse width for + watchdog signal */ + +static unsigned short force_id; +module_param(force_id, ushort, 0); +MODULE_PARM_DESC(force_id, "Override the detected device ID"); + +static const int max_timeout = WATCHDOG_MAX_TIMEOUT; +static int timeout = 60; /* default timeout in seconds */ +module_param(timeout, int, 0); +MODULE_PARM_DESC(timeout, + "Watchdog timeout in seconds. 1<= timeout <=" + __MODULE_STRING(WATCHDOG_MAX_TIMEOUT) " (default=" + __MODULE_STRING(WATCHDOG_TIMEOUT) ")"); + +static unsigned int pulse_width = WATCHDOG_PULSE_WIDTH; +module_param(pulse_width, uint, 0); +MODULE_PARM_DESC(pulse_width, + "Watchdog signal pulse width. 0(=level), 1 ms, 25 ms, 125 ms or 5000 ms" + " (default=" __MODULE_STRING(WATCHDOG_PULSE_WIDTH) ")"); + +static int nowayout = WATCHDOG_NOWAYOUT; +module_param(nowayout, bool, 0444); +MODULE_PARM_DESC(nowayout, "Disable watchdog shutdown on close"); + +static unsigned int start_withtimeout; +module_param(start_withtimeout, uint, 0); +MODULE_PARM_DESC(start_withtimeout, "Start watchdog timer on module load with" + " given initial timeout. Zero (default) disables this feature."); + +enum chips { f71808fg, f71858fg, f71862fg, f71882fg, f71889fg }; + +static const char *f71808e_names[] = { + "f71808fg", + "f71858fg", + "f71862fg", + "f71882fg", + "f71889fg", +}; + +/* Super-I/O Function prototypes */ +static inline int superio_inb(int base, int reg); +static inline int superio_inw(int base, int reg); +static inline void superio_outb(int base, int reg, u8 val); +static inline void superio_set_bit(int base, int reg, int bit); +static inline void superio_clear_bit(int base, int reg, int bit); +static inline int superio_enter(int base); +static inline void superio_select(int base, int ld); +static inline void superio_exit(int base); + +struct watchdog_data { + unsigned short sioaddr; + enum chips type; + unsigned long opened; + struct mutex lock; + char expect_close; + struct watchdog_info ident; + + unsigned short timeout; + u8 timer_val; /* content for the wd_time register */ + char minutes_mode; + u8 pulse_val; /* pulse width flag */ + char pulse_mode; /* enable pulse output mode? */ + char caused_reboot; /* last reboot was by the watchdog */ +}; + +static struct watchdog_data watchdog = { + .lock = __MUTEX_INITIALIZER(watchdog.lock), +}; + +/* Super I/O functions */ +static inline int superio_inb(int base, int reg) +{ + outb(reg, base); + return inb(base + 1); +} + +static int superio_inw(int base, int reg) +{ + int val; + val = superio_inb(base, reg) << 8; + val |= superio_inb(base, reg + 1); + return val; +} + +static inline void superio_outb(int base, int reg, u8 val) +{ + outb(reg, base); + outb(val, base + 1); +} + +static inline void superio_set_bit(int base, int reg, int bit) +{ + unsigned long val = superio_inb(base, reg); + __set_bit(bit, &val); + superio_outb(base, reg, val); +} + +static inline void superio_clear_bit(int base, int reg, int bit) +{ + unsigned long val = superio_inb(base, reg); + __clear_bit(bit, &val); + superio_outb(base, reg, val); +} + +static inline int superio_enter(int base) +{ + /* Don't step on other drivers' I/O space by accident */ + if (!request_muxed_region(base, 2, DRVNAME)) { + printk(KERN_ERR DRVNAME ": I/O address 0x%04x already in use\n", + (int)base); + return -EBUSY; + } + + /* according to the datasheet the key must be send twice! */ + outb(SIO_UNLOCK_KEY, base); + outb(SIO_UNLOCK_KEY, base); + + return 0; +} + +static inline void superio_select(int base, int ld) +{ + outb(SIO_REG_LDSEL, base); + outb(ld, base + 1); +} + +static inline void superio_exit(int base) +{ + outb(SIO_LOCK_KEY, base); + release_region(base, 2); +} + +static int watchdog_set_timeout(int timeout) +{ + if (timeout <= 0 + || timeout > max_timeout) { + printk(KERN_ERR DRVNAME ": watchdog timeout out of range\n"); + return -EINVAL; + } + + mutex_lock(&watchdog.lock); + + watchdog.timeout = timeout; + if (timeout > 0xff) { + watchdog.timer_val = DIV_ROUND_UP(timeout, 60); + watchdog.minutes_mode = true; + } else { + watchdog.timer_val = timeout; + watchdog.minutes_mode = false; + } + + mutex_unlock(&watchdog.lock); + + return 0; +} + +static int watchdog_set_pulse_width(unsigned int pw) +{ + int err = 0; + + mutex_lock(&watchdog.lock); + + if (pw <= 1) { + watchdog.pulse_val = 0; + } else if (pw <= 25) { + watchdog.pulse_val = 1; + } else if (pw <= 125) { + watchdog.pulse_val = 2; + } else if (pw <= 5000) { + watchdog.pulse_val = 3; + } else { + printk(KERN_ERR DRVNAME ": pulse width out of range\n"); + err = -EINVAL; + goto exit_unlock; + } + + watchdog.pulse_mode = pw; + +exit_unlock: + mutex_unlock(&watchdog.lock); + return err; +} + +static int watchdog_keepalive(void) +{ + int err = 0; + + mutex_lock(&watchdog.lock); + err = superio_enter(watchdog.sioaddr); + if (err) + goto exit_unlock; + superio_select(watchdog.sioaddr, SIO_F71808FG_LD_WDT); + + if (watchdog.minutes_mode) + /* select minutes for timer units */ + superio_set_bit(watchdog.sioaddr, F71808FG_REG_WDT_CONF, + F71808FG_FLAG_WD_UNIT); + else + /* select seconds for timer units */ + superio_clear_bit(watchdog.sioaddr, F71808FG_REG_WDT_CONF, + F71808FG_FLAG_WD_UNIT); + + /* Set timer value */ + superio_outb(watchdog.sioaddr, F71808FG_REG_WD_TIME, + watchdog.timer_val); + + superio_exit(watchdog.sioaddr); + +exit_unlock: + mutex_unlock(&watchdog.lock); + return err; +} + +static int watchdog_start(void) +{ + /* Make sure we don't die as soon as the watchdog is enabled below */ + int err = watchdog_keepalive(); + if (err) + return err; + + mutex_lock(&watchdog.lock); + err = superio_enter(watchdog.sioaddr); + if (err) + goto exit_unlock; + superio_select(watchdog.sioaddr, SIO_F71808FG_LD_WDT); + + /* Watchdog pin configuration */ + switch (watchdog.type) { + case f71808fg: + /* Set pin 21 to GPIO23/WDTRST#, then to WDTRST# */ + superio_clear_bit(watchdog.sioaddr, 0x2a, 3); + superio_clear_bit(watchdog.sioaddr, 0x2b, 3); + break; + + case f71882fg: + /* Set pin 56 to WDTRST# */ + superio_set_bit(watchdog.sioaddr, 0x29, 1); + break; + + default: + /* + * 'default' label to shut up the compiler and catch + * programmer errors + */ + err = -ENODEV; + goto exit_superio; + } + + superio_select(watchdog.sioaddr, SIO_F71808FG_LD_WDT); + superio_set_bit(watchdog.sioaddr, SIO_REG_ENABLE, 0); + superio_set_bit(watchdog.sioaddr, F71808FG_REG_WDO_CONF, + F71808FG_FLAG_WDOUT_EN); + + superio_set_bit(watchdog.sioaddr, F71808FG_REG_WDT_CONF, + F71808FG_FLAG_WD_EN); + + if (watchdog.pulse_mode) { + /* Select "pulse" output mode with given duration */ + u8 wdt_conf = superio_inb(watchdog.sioaddr, + F71808FG_REG_WDT_CONF); + + /* Set WD_PSWIDTH bits (1:0) */ + wdt_conf = (wdt_conf & 0xfc) | (watchdog.pulse_val & 0x03); + /* Set WD_PULSE to "pulse" mode */ + wdt_conf |= BIT(F71808FG_FLAG_WD_PULSE); + + superio_outb(watchdog.sioaddr, F71808FG_REG_WDT_CONF, + wdt_conf); + } else { + /* Select "level" output mode */ + superio_clear_bit(watchdog.sioaddr, F71808FG_REG_WDT_CONF, + F71808FG_FLAG_WD_PULSE); + } + +exit_superio: + superio_exit(watchdog.sioaddr); +exit_unlock: + mutex_unlock(&watchdog.lock); + + return err; +} + +static int watchdog_stop(void) +{ + int err = 0; + + mutex_lock(&watchdog.lock); + err = superio_enter(watchdog.sioaddr); + if (err) + goto exit_unlock; + superio_select(watchdog.sioaddr, SIO_F71808FG_LD_WDT); + + superio_clear_bit(watchdog.sioaddr, F71808FG_REG_WDT_CONF, + F71808FG_FLAG_WD_EN); + + superio_exit(watchdog.sioaddr); + +exit_unlock: + mutex_unlock(&watchdog.lock); + + return err; +} + +static int watchdog_get_status(void) +{ + int status = 0; + + mutex_lock(&watchdog.lock); + status = (watchdog.caused_reboot) ? WDIOF_CARDRESET : 0; + mutex_unlock(&watchdog.lock); + + return status; +} + +static bool watchdog_is_running(void) +{ + /* + * if we fail to determine the watchdog's status assume it to be + * running to be on the safe side + */ + bool is_running = true; + + mutex_lock(&watchdog.lock); + if (superio_enter(watchdog.sioaddr)) + goto exit_unlock; + superio_select(watchdog.sioaddr, SIO_F71808FG_LD_WDT); + + is_running = (superio_inb(watchdog.sioaddr, SIO_REG_ENABLE) & BIT(0)) + && (superio_inb(watchdog.sioaddr, F71808FG_REG_WDT_CONF) + & F71808FG_FLAG_WD_EN); + + superio_exit(watchdog.sioaddr); + +exit_unlock: + mutex_unlock(&watchdog.lock); + return is_running; +} + +/* /dev/watchdog api */ + +static int watchdog_open(struct inode *inode, struct file *file) +{ + int err; + + /* If the watchdog is alive we don't need to start it again */ + if (test_and_set_bit(0, &watchdog.opened)) + return -EBUSY; + + err = watchdog_start(); + if (err) { + clear_bit(0, &watchdog.opened); + return err; + } + + if (nowayout) + __module_get(THIS_MODULE); + + watchdog.expect_close = 0; + return nonseekable_open(inode, file); +} + +static int watchdog_release(struct inode *inode, struct file *file) +{ + clear_bit(0, &watchdog.opened); + + if (!watchdog.expect_close) { + watchdog_keepalive(); + printk(KERN_CRIT DRVNAME + ": Unexpected close, not stopping watchdog!\n"); + } else if (!nowayout) { + watchdog_stop(); + } + return 0; +} + +/* + * watchdog_write: + * @file: file handle to the watchdog + * @buf: buffer to write + * @count: count of bytes + * @ppos: pointer to the position to write. No seeks allowed + * + * A write to a watchdog device is defined as a keepalive signal. Any + * write of data will do, as we we don't define content meaning. + */ + +static ssize_t watchdog_write(struct file *file, const char __user *buf, + size_t count, loff_t *ppos) +{ + if (count) { + if (!nowayout) { + size_t i; + + /* In case it was set long ago */ + bool expect_close = false; + + for (i = 0; i != count; i++) { + char c; + if (get_user(c, buf + i)) + return -EFAULT; + expect_close = (c == 'V'); + } + + /* Properly order writes across fork()ed processes */ + mutex_lock(&watchdog.lock); + watchdog.expect_close = expect_close; + mutex_unlock(&watchdog.lock); + } + + /* someone wrote to us, we should restart timer */ + watchdog_keepalive(); + } + return count; +} + +/* + * watchdog_ioctl: + * @inode: inode of the device + * @file: file handle to the device + * @cmd: watchdog command + * @arg: argument pointer + * + * The watchdog API defines a common set of functions for all watchdogs + * according to their available features. + */ +static long watchdog_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) +{ + int status; + int new_options; + int new_timeout; + union { + struct watchdog_info __user *ident; + int __user *i; + } uarg; + + uarg.i = (int __user *)arg; + + switch (cmd) { + case WDIOC_GETSUPPORT: + return copy_to_user(uarg.ident, &watchdog.ident, + sizeof(watchdog.ident)) ? -EFAULT : 0; + + case WDIOC_GETSTATUS: + status = watchdog_get_status(); + if (status < 0) + return status; + return put_user(status, uarg.i); + + case WDIOC_GETBOOTSTATUS: + return put_user(0, uarg.i); + + case WDIOC_SETOPTIONS: + if (get_user(new_options, uarg.i)) + return -EFAULT; + + if (new_options & WDIOS_DISABLECARD) + watchdog_stop(); + + if (new_options & WDIOS_ENABLECARD) + return watchdog_start(); + + + case WDIOC_KEEPALIVE: + watchdog_keepalive(); + return 0; + + case WDIOC_SETTIMEOUT: + if (get_user(new_timeout, uarg.i)) + return -EFAULT; + + if (watchdog_set_timeout(new_timeout)) + return -EINVAL; + + watchdog_keepalive(); + /* Fall */ + + case WDIOC_GETTIMEOUT: + return put_user(watchdog.timeout, uarg.i); + + default: + return -ENOTTY; + + } +} + +static int watchdog_notify_sys(struct notifier_block *this, unsigned long code, + void *unused) +{ + if (code == SYS_DOWN || code == SYS_HALT) + watchdog_stop(); + return NOTIFY_DONE; +} + +static const struct file_operations watchdog_fops = { + .owner = THIS_MODULE, + .llseek = no_llseek, + .open = watchdog_open, + .release = watchdog_release, + .write = watchdog_write, + .unlocked_ioctl = watchdog_ioctl, +}; + +static struct miscdevice watchdog_miscdev = { + .minor = WATCHDOG_MINOR, + .name = "watchdog", + .fops = &watchdog_fops, +}; + +static struct notifier_block watchdog_notifier = { + .notifier_call = watchdog_notify_sys, +}; + +static int __init watchdog_init(int sioaddr) +{ + int wdt_conf, err = 0; + + /* No need to lock watchdog.lock here because no entry points + * into the module have been registered yet. + */ + watchdog.sioaddr = sioaddr; + watchdog.ident.options = WDIOC_SETTIMEOUT + | WDIOF_MAGICCLOSE + | WDIOF_KEEPALIVEPING; + + snprintf(watchdog.ident.identity, + sizeof(watchdog.ident.identity), "%s watchdog", + f71808e_names[watchdog.type]); + + err = superio_enter(sioaddr); + if (err) + return err; + superio_select(watchdog.sioaddr, SIO_F71808FG_LD_WDT); + + wdt_conf = superio_inb(sioaddr, F71808FG_REG_WDT_CONF); + watchdog.caused_reboot = wdt_conf & F71808FG_FLAG_WDTMOUT_STS; + + superio_exit(sioaddr); + + err = watchdog_set_timeout(timeout); + if (err) + return err; + err = watchdog_set_pulse_width(pulse_width); + if (err) + return err; + + err = register_reboot_notifier(&watchdog_notifier); + if (err) + return err; + + err = misc_register(&watchdog_miscdev); + if (err) { + printk(KERN_ERR DRVNAME + ": cannot register miscdev on minor=%d\n", + watchdog_miscdev.minor); + goto exit_reboot; + } + + if (start_withtimeout) { + if (start_withtimeout <= 0 + || start_withtimeout > max_timeout) { + printk(KERN_ERR DRVNAME + ": starting timeout out of range\n"); + err = -EINVAL; + goto exit_miscdev; + } + + err = watchdog_start(); + if (err) { + printk(KERN_ERR DRVNAME + ": cannot start watchdog timer\n"); + goto exit_miscdev; + } + + mutex_lock(&watchdog.lock); + err = superio_enter(sioaddr); + if (err) + goto exit_unlock; + superio_select(watchdog.sioaddr, SIO_F71808FG_LD_WDT); + + if (start_withtimeout > 0xff) { + /* select minutes for timer units */ + superio_set_bit(sioaddr, F71808FG_REG_WDT_CONF, + F71808FG_FLAG_WD_UNIT); + superio_outb(sioaddr, F71808FG_REG_WD_TIME, + DIV_ROUND_UP(start_withtimeout, 60)); + } else { + /* select seconds for timer units */ + superio_clear_bit(sioaddr, F71808FG_REG_WDT_CONF, + F71808FG_FLAG_WD_UNIT); + superio_outb(sioaddr, F71808FG_REG_WD_TIME, + start_withtimeout); + } + + superio_exit(sioaddr); + mutex_unlock(&watchdog.lock); + + if (nowayout) + __module_get(THIS_MODULE); + + printk(KERN_INFO DRVNAME + ": watchdog started with initial timeout of %u sec\n", + start_withtimeout); + } + + return 0; + +exit_unlock: + mutex_unlock(&watchdog.lock); +exit_miscdev: + misc_deregister(&watchdog_miscdev); +exit_reboot: + unregister_reboot_notifier(&watchdog_notifier); + + return err; +} + +static int __init f71808e_find(int sioaddr) +{ + u16 devid; + int err = superio_enter(sioaddr); + if (err) + return err; + + devid = superio_inw(sioaddr, SIO_REG_MANID); + if (devid != SIO_FINTEK_ID) { + pr_debug(DRVNAME ": Not a Fintek device\n"); + err = -ENODEV; + goto exit; + } + + devid = force_id ? force_id : superio_inw(sioaddr, SIO_REG_DEVID); + switch (devid) { + case SIO_F71808_ID: + watchdog.type = f71808fg; + break; + case SIO_F71882_ID: + watchdog.type = f71882fg; + break; + case SIO_F71862_ID: + case SIO_F71889_ID: + /* These have a watchdog, though it isn't implemented (yet). */ + err = -ENOSYS; + goto exit; + case SIO_F71858_ID: + /* Confirmed (by datasheet) not to have a watchdog. */ + err = -ENODEV; + goto exit; + default: + printk(KERN_INFO DRVNAME ": Unrecognized Fintek device: %04x\n", + (unsigned int)devid); + err = -ENODEV; + goto exit; + } + + printk(KERN_INFO DRVNAME ": Found %s watchdog chip, revision %d\n", + f71808e_names[watchdog.type], + (int)superio_inb(sioaddr, SIO_REG_DEVREV)); +exit: + superio_exit(sioaddr); + return err; +} + +static int __init f71808e_init(void) +{ + static const unsigned short addrs[] = { 0x2e, 0x4e }; + int err = -ENODEV; + int i; + + for (i = 0; i < ARRAY_SIZE(addrs); i++) { + err = f71808e_find(addrs[i]); + if (err == 0) + break; + } + if (i == ARRAY_SIZE(addrs)) + return err; + + return watchdog_init(addrs[i]); +} + +static void __exit f71808e_exit(void) +{ + if (watchdog_is_running()) { + printk(KERN_WARNING DRVNAME + ": Watchdog timer still running, stopping it\n"); + watchdog_stop(); + } + misc_deregister(&watchdog_miscdev); + unregister_reboot_notifier(&watchdog_notifier); +} + +MODULE_DESCRIPTION("F71808E Watchdog Driver"); +MODULE_AUTHOR("Giel van Schijndel <me@mortis.eu>"); +MODULE_LICENSE("GPL"); + +module_init(f71808e_init); +module_exit(f71808e_exit); diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c index 809e716..fd312fc 100644 --- a/drivers/watchdog/hpwdt.c +++ b/drivers/watchdog/hpwdt.c @@ -246,8 +246,8 @@ static int __devinit cru_detect(unsigned long map_entry, physical_bios_offset); printk(KERN_DEBUG "hpwdt: CRU Length: 0x%lx\n", cru_length); - printk(KERN_DEBUG "hpwdt: CRU Mapped Address: 0x%x\n", - (unsigned int)&cru_rom_addr); + printk(KERN_DEBUG "hpwdt: CRU Mapped Address: %p\n", + &cru_rom_addr); } iounmap(bios32_map); return retval; diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c index 3009325..ae53662 100644 --- a/drivers/watchdog/s3c2410_wdt.c +++ b/drivers/watchdog/s3c2410_wdt.c @@ -532,21 +532,22 @@ static int __devinit s3c2410wdt_probe(struct platform_device *pdev) static int __devexit s3c2410wdt_remove(struct platform_device *dev) { - s3c2410wdt_cpufreq_deregister(); - - release_resource(wdt_mem); - kfree(wdt_mem); - wdt_mem = NULL; + misc_deregister(&s3c2410wdt_miscdev); - free_irq(wdt_irq->start, dev); - wdt_irq = NULL; + s3c2410wdt_cpufreq_deregister(); clk_disable(wdt_clock); clk_put(wdt_clock); wdt_clock = NULL; + free_irq(wdt_irq->start, dev); + wdt_irq = NULL; + iounmap(wdt_base); - misc_deregister(&s3c2410wdt_miscdev); + + release_resource(wdt_mem); + kfree(wdt_mem); + wdt_mem = NULL; return 0; } diff --git a/drivers/watchdog/sch311x_wdt.c b/drivers/watchdog/sch311x_wdt.c index 9c40f48..0461858 100644 --- a/drivers/watchdog/sch311x_wdt.c +++ b/drivers/watchdog/sch311x_wdt.c @@ -425,6 +425,8 @@ static int __devinit sch311x_wdt_probe(struct platform_device *pdev) val = therm_trip ? 0x06 : 0x04; outb(val, sch311x_wdt_data.runtime_reg + RESGEN); + sch311x_wdt_miscdev.parent = dev; + err = misc_register(&sch311x_wdt_miscdev); if (err != 0) { dev_err(dev, "cannot register miscdev on minor=%d (err=%d)\n", @@ -432,8 +434,6 @@ static int __devinit sch311x_wdt_probe(struct platform_device *pdev) goto exit_release_region3; } - sch311x_wdt_miscdev.parent = dev; - dev_info(dev, "SMSC SCH311x WDT initialized. timeout=%d sec (nowayout=%d)\n", timeout, nowayout); diff --git a/drivers/watchdog/sp805_wdt.c b/drivers/watchdog/sp805_wdt.c new file mode 100644 index 0000000..9127eda --- /dev/null +++ b/drivers/watchdog/sp805_wdt.c @@ -0,0 +1,387 @@ +/* + * drivers/char/watchdog/sp805-wdt.c + * + * Watchdog driver for ARM SP805 watchdog module + * + * Copyright (C) 2010 ST Microelectronics + * Viresh Kumar<viresh.kumar@st.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2 or later. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/device.h> +#include <linux/resource.h> +#include <linux/amba/bus.h> +#include <linux/bitops.h> +#include <linux/clk.h> +#include <linux/fs.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/ioport.h> +#include <linux/kernel.h> +#include <linux/math64.h> +#include <linux/miscdevice.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/slab.h> +#include <linux/spinlock.h> +#include <linux/types.h> +#include <linux/uaccess.h> +#include <linux/watchdog.h> + +/* default timeout in seconds */ +#define DEFAULT_TIMEOUT 60 + +#define MODULE_NAME "sp805-wdt" + +/* watchdog register offsets and masks */ +#define WDTLOAD 0x000 + #define LOAD_MIN 0x00000001 + #define LOAD_MAX 0xFFFFFFFF +#define WDTVALUE 0x004 +#define WDTCONTROL 0x008 + /* control register masks */ + #define INT_ENABLE (1 << 0) + #define RESET_ENABLE (1 << 1) +#define WDTINTCLR 0x00C +#define WDTRIS 0x010 +#define WDTMIS 0x014 + #define INT_MASK (1 << 0) +#define WDTLOCK 0xC00 + #define UNLOCK 0x1ACCE551 + #define LOCK 0x00000001 + +/** + * struct sp805_wdt: sp805 wdt device structure + * + * lock: spin lock protecting dev structure and io access + * base: base address of wdt + * clk: clock structure of wdt + * dev: amba device structure of wdt + * status: current status of wdt + * load_val: load value to be set for current timeout + * timeout: current programmed timeout + */ +struct sp805_wdt { + spinlock_t lock; + void __iomem *base; + struct clk *clk; + struct amba_device *adev; + unsigned long status; + #define WDT_BUSY 0 + #define WDT_CAN_BE_CLOSED 1 + unsigned int load_val; + unsigned int timeout; +}; + +/* local variables */ +static struct sp805_wdt *wdt; +static int nowayout = WATCHDOG_NOWAYOUT; + +/* This routine finds load value that will reset system in required timout */ +static void wdt_setload(unsigned int timeout) +{ + u64 load, rate; + + rate = clk_get_rate(wdt->clk); + + /* + * sp805 runs counter with given value twice, after the end of first + * counter it gives an interrupt and then starts counter again. If + * interrupt already occured then it resets the system. This is why + * load is half of what should be required. + */ + load = div_u64(rate, 2) * timeout - 1; + + load = (load > LOAD_MAX) ? LOAD_MAX : load; + load = (load < LOAD_MIN) ? LOAD_MIN : load; + + spin_lock(&wdt->lock); + wdt->load_val = load; + /* roundup timeout to closest positive integer value */ + wdt->timeout = div_u64((load + 1) * 2 + (rate / 2), rate); + spin_unlock(&wdt->lock); +} + +/* returns number of seconds left for reset to occur */ +static u32 wdt_timeleft(void) +{ + u64 load, rate; + + rate = clk_get_rate(wdt->clk); + + spin_lock(&wdt->lock); + load = readl(wdt->base + WDTVALUE); + + /*If the interrupt is inactive then time left is WDTValue + WDTLoad. */ + if (!(readl(wdt->base + WDTRIS) & INT_MASK)) + load += wdt->load_val + 1; + spin_unlock(&wdt->lock); + + return div_u64(load, rate); +} + +/* enables watchdog timers reset */ +static void wdt_enable(void) +{ + spin_lock(&wdt->lock); + + writel(UNLOCK, wdt->base + WDTLOCK); + writel(wdt->load_val, wdt->base + WDTLOAD); + writel(INT_MASK, wdt->base + WDTINTCLR); + writel(INT_ENABLE | RESET_ENABLE, wdt->base + WDTCONTROL); + writel(LOCK, wdt->base + WDTLOCK); + + spin_unlock(&wdt->lock); +} + +/* disables watchdog timers reset */ +static void wdt_disable(void) +{ + spin_lock(&wdt->lock); + + writel(UNLOCK, wdt->base + WDTLOCK); + writel(0, wdt->base + WDTCONTROL); + writel(0, wdt->base + WDTLOAD); + writel(LOCK, wdt->base + WDTLOCK); + + spin_unlock(&wdt->lock); +} + +static ssize_t sp805_wdt_write(struct file *file, const char *data, + size_t len, loff_t *ppos) +{ + if (len) { + if (!nowayout) { + size_t i; + + clear_bit(WDT_CAN_BE_CLOSED, &wdt->status); + + for (i = 0; i != len; i++) { + char c; + + if (get_user(c, data + i)) + return -EFAULT; + /* Check for Magic Close character */ + if (c == 'V') { + set_bit(WDT_CAN_BE_CLOSED, + &wdt->status); + break; + } + } + } + wdt_enable(); + } + return len; +} + +static const struct watchdog_info ident = { + .options = WDIOF_MAGICCLOSE | WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING, + .identity = MODULE_NAME, +}; + +static long sp805_wdt_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) +{ + int ret = -ENOTTY; + unsigned int timeout; + + switch (cmd) { + case WDIOC_GETSUPPORT: + ret = copy_to_user((struct watchdog_info *)arg, &ident, + sizeof(ident)) ? -EFAULT : 0; + break; + + case WDIOC_GETSTATUS: + ret = put_user(0, (int *)arg); + break; + + case WDIOC_KEEPALIVE: + wdt_enable(); + ret = 0; + break; + + case WDIOC_SETTIMEOUT: + ret = get_user(timeout, (unsigned int *)arg); + if (ret) + break; + + wdt_setload(timeout); + + wdt_enable(); + /* Fall through */ + + case WDIOC_GETTIMEOUT: + ret = put_user(wdt->timeout, (unsigned int *)arg); + break; + case WDIOC_GETTIMELEFT: + ret = put_user(wdt_timeleft(), (unsigned int *)arg); + break; + } + return ret; +} + +static int sp805_wdt_open(struct inode *inode, struct file *file) +{ + int ret = 0; + + if (test_and_set_bit(WDT_BUSY, &wdt->status)) + return -EBUSY; + + ret = clk_enable(wdt->clk); + if (ret) { + dev_err(&wdt->adev->dev, "clock enable fail"); + goto err; + } + + wdt_enable(); + + /* can not be closed, once enabled */ + clear_bit(WDT_CAN_BE_CLOSED, &wdt->status); + return nonseekable_open(inode, file); + +err: + clear_bit(WDT_BUSY, &wdt->status); + return ret; +} + +static int sp805_wdt_release(struct inode *inode, struct file *file) +{ + if (!test_bit(WDT_CAN_BE_CLOSED, &wdt->status)) { + clear_bit(WDT_BUSY, &wdt->status); + dev_warn(&wdt->adev->dev, "Device closed unexpectedly\n"); + return 0; + } + + wdt_disable(); + clk_disable(wdt->clk); + clear_bit(WDT_BUSY, &wdt->status); + + return 0; +} + +static const struct file_operations sp805_wdt_fops = { + .owner = THIS_MODULE, + .llseek = no_llseek, + .write = sp805_wdt_write, + .unlocked_ioctl = sp805_wdt_ioctl, + .open = sp805_wdt_open, + .release = sp805_wdt_release, +}; + +static struct miscdevice sp805_wdt_miscdev = { + .minor = WATCHDOG_MINOR, + .name = "watchdog", + .fops = &sp805_wdt_fops, +}; + +static int __devinit +sp805_wdt_probe(struct amba_device *adev, struct amba_id *id) +{ + int ret = 0; + + if (!request_mem_region(adev->res.start, resource_size(&adev->res), + "sp805_wdt")) { + dev_warn(&adev->dev, "Failed to get memory region resource\n"); + ret = -ENOENT; + goto err; + } + + wdt = kzalloc(sizeof(*wdt), GFP_KERNEL); + if (!wdt) { + dev_warn(&adev->dev, "Kzalloc failed\n"); + ret = -ENOMEM; + goto err_kzalloc; + } + + wdt->clk = clk_get(&adev->dev, NULL); + if (IS_ERR(wdt->clk)) { + dev_warn(&adev->dev, "Clock not found\n"); + ret = PTR_ERR(wdt->clk); + goto err_clk_get; + } + + wdt->base = ioremap(adev->res.start, resource_size(&adev->res)); + if (!wdt->base) { + ret = -ENOMEM; + dev_warn(&adev->dev, "ioremap fail\n"); + goto err_ioremap; + } + + wdt->adev = adev; + spin_lock_init(&wdt->lock); + wdt_setload(DEFAULT_TIMEOUT); + + ret = misc_register(&sp805_wdt_miscdev); + if (ret < 0) { + dev_warn(&adev->dev, "cannot register misc device\n"); + goto err_misc_register; + } + + dev_info(&adev->dev, "registration successful\n"); + return 0; + +err_misc_register: + iounmap(wdt->base); +err_ioremap: + clk_put(wdt->clk); +err_clk_get: + kfree(wdt); + wdt = NULL; +err_kzalloc: + release_mem_region(adev->res.start, resource_size(&adev->res)); +err: + dev_err(&adev->dev, "Probe Failed!!!\n"); + return ret; +} + +static int __devexit sp805_wdt_remove(struct amba_device *adev) +{ + misc_deregister(&sp805_wdt_miscdev); + iounmap(wdt->base); + clk_put(wdt->clk); + kfree(wdt); + release_mem_region(adev->res.start, resource_size(&adev->res)); + + return 0; +} + +static struct amba_id sp805_wdt_ids[] __initdata = { + { + .id = 0x00141805, + .mask = 0x00ffffff, + }, + { 0, 0 }, +}; + +static struct amba_driver sp805_wdt_driver = { + .drv = { + .name = MODULE_NAME, + }, + .id_table = sp805_wdt_ids, + .probe = sp805_wdt_probe, + .remove = __devexit_p(sp805_wdt_remove), +}; + +static int __init sp805_wdt_init(void) +{ + return amba_driver_register(&sp805_wdt_driver); +} +module_init(sp805_wdt_init); + +static void __exit sp805_wdt_exit(void) +{ + amba_driver_unregister(&sp805_wdt_driver); +} +module_exit(sp805_wdt_exit); + +module_param(nowayout, int, 0); +MODULE_PARM_DESC(nowayout, + "Set to 1 to keep watchdog running after device release"); + +MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>"); +MODULE_DESCRIPTION("ARM SP805 Watchdog Driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); diff --git a/drivers/watchdog/wdt_pci.c b/drivers/watchdog/wdt_pci.c index 7b22e3c..6130c88 100644 --- a/drivers/watchdog/wdt_pci.c +++ b/drivers/watchdog/wdt_pci.c @@ -60,19 +60,6 @@ #define PFX "wdt_pci: " -/* - * Until Access I/O gets their application for a PCI vendor ID approved, - * I don't think that it's appropriate to move these constants into the - * regular pci_ids.h file. -- JPN 2000/01/18 - */ - -#ifndef PCI_VENDOR_ID_ACCESSIO -#define PCI_VENDOR_ID_ACCESSIO 0x494f -#endif -#ifndef PCI_DEVICE_ID_WDG_CSM -#define PCI_DEVICE_ID_WDG_CSM 0x22c0 -#endif - /* We can only use 1 card due to the /dev/watchdog restriction */ static int dev_count; @@ -743,7 +730,7 @@ static void __devexit wdtpci_remove_one(struct pci_dev *pdev) static struct pci_device_id wdtpci_pci_tbl[] = { { .vendor = PCI_VENDOR_ID_ACCESSIO, - .device = PCI_DEVICE_ID_WDG_CSM, + .device = PCI_DEVICE_ID_ACCESSIO_WDG_CSM, .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, }, diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c index 7b3e973..7e49527 100644 --- a/drivers/xen/xenbus/xenbus_client.c +++ b/drivers/xen/xenbus/xenbus_client.c @@ -133,17 +133,12 @@ int xenbus_watch_pathfmt(struct xenbus_device *dev, } EXPORT_SYMBOL_GPL(xenbus_watch_pathfmt); +static void xenbus_switch_fatal(struct xenbus_device *, int, int, + const char *, ...); -/** - * xenbus_switch_state - * @dev: xenbus device - * @state: new state - * - * Advertise in the store a change of the given driver to the given new_state. - * Return 0 on success, or -errno on error. On error, the device will switch - * to XenbusStateClosing, and the error will be saved in the store. - */ -int xenbus_switch_state(struct xenbus_device *dev, enum xenbus_state state) +static int +__xenbus_switch_state(struct xenbus_device *dev, + enum xenbus_state state, int depth) { /* We check whether the state is currently set to the given value, and if not, then the state is set. We don't want to unconditionally @@ -152,35 +147,65 @@ int xenbus_switch_state(struct xenbus_device *dev, enum xenbus_state state) to it, as the device will be tearing down, and we don't want to resurrect that directory. - Note that, because of this cached value of our state, this function - will not work inside a Xenstore transaction (something it was - trying to in the past) because dev->state would not get reset if - the transaction was aborted. - + Note that, because of this cached value of our state, this + function will not take a caller's Xenstore transaction + (something it was trying to in the past) because dev->state + would not get reset if the transaction was aborted. */ + struct xenbus_transaction xbt; int current_state; - int err; + int err, abort; if (state == dev->state) return 0; - err = xenbus_scanf(XBT_NIL, dev->nodename, "state", "%d", - ¤t_state); - if (err != 1) +again: + abort = 1; + + err = xenbus_transaction_start(&xbt); + if (err) { + xenbus_switch_fatal(dev, depth, err, "starting transaction"); return 0; + } + + err = xenbus_scanf(xbt, dev->nodename, "state", "%d", ¤t_state); + if (err != 1) + goto abort; - err = xenbus_printf(XBT_NIL, dev->nodename, "state", "%d", state); + err = xenbus_printf(xbt, dev->nodename, "state", "%d", state); if (err) { - if (state != XenbusStateClosing) /* Avoid looping */ - xenbus_dev_fatal(dev, err, "writing new state"); - return err; + xenbus_switch_fatal(dev, depth, err, "writing new state"); + goto abort; } - dev->state = state; + abort = 0; +abort: + err = xenbus_transaction_end(xbt, abort); + if (err) { + if (err == -EAGAIN && !abort) + goto again; + xenbus_switch_fatal(dev, depth, err, "ending transaction"); + } else + dev->state = state; return 0; } + +/** + * xenbus_switch_state + * @dev: xenbus device + * @state: new state + * + * Advertise in the store a change of the given driver to the given new_state. + * Return 0 on success, or -errno on error. On error, the device will switch + * to XenbusStateClosing, and the error will be saved in the store. + */ +int xenbus_switch_state(struct xenbus_device *dev, enum xenbus_state state) +{ + return __xenbus_switch_state(dev, state, 0); +} + EXPORT_SYMBOL_GPL(xenbus_switch_state); int xenbus_frontend_closed(struct xenbus_device *dev) @@ -284,6 +309,23 @@ void xenbus_dev_fatal(struct xenbus_device *dev, int err, const char *fmt, ...) EXPORT_SYMBOL_GPL(xenbus_dev_fatal); /** + * Equivalent to xenbus_dev_fatal(dev, err, fmt, args), but helps + * avoiding recursion within xenbus_switch_state. + */ +static void xenbus_switch_fatal(struct xenbus_device *dev, int depth, int err, + const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + xenbus_va_dev_error(dev, err, fmt, ap); + va_end(ap); + + if (!depth) + __xenbus_switch_state(dev, XenbusStateClosing, 1); +} + +/** * xenbus_grant_ring * @dev: xenbus device * @ring_mfn: mfn of ring to grant diff --git a/drivers/zorro/proc.c b/drivers/zorro/proc.c index 3c7046d..cafc504 100644 --- a/drivers/zorro/proc.c +++ b/drivers/zorro/proc.c @@ -22,8 +22,9 @@ static loff_t proc_bus_zorro_lseek(struct file *file, loff_t off, int whence) { loff_t new = -1; + struct inode *inode = file->f_path.dentry->d_inode; - lock_kernel(); + mutex_lock(&inode->i_mutex); switch (whence) { case 0: new = off; @@ -35,12 +36,12 @@ proc_bus_zorro_lseek(struct file *file, loff_t off, int whence) new = sizeof(struct ConfigDev) + off; break; } - if (new < 0 || new > sizeof(struct ConfigDev)) { - unlock_kernel(); - return -EINVAL; - } - unlock_kernel(); - return (file->f_pos = new); + if (new < 0 || new > sizeof(struct ConfigDev)) + new = -EINVAL; + else + file->f_pos = new; + mutex_unlock(&inode->i_mutex); + return new; } static ssize_t @@ -67,7 +68,7 @@ proc_bus_zorro_read(struct file *file, char __user *buf, size_t nbytes, loff_t * cd.cd_BoardAddr = (void *)zorro_resource_start(z); cd.cd_BoardSize = zorro_resource_len(z); - if (copy_to_user(buf, &cd, nbytes)) + if (copy_to_user(buf, (void *)&cd + pos, nbytes)) return -EFAULT; *ppos += nbytes; |