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authorPaul Mackerras <paulus@samba.org>2006-05-05 15:45:48 +1000
committerPaul Mackerras <paulus@samba.org>2006-05-05 15:45:48 +1000
commitf18fc729cd2d67b76e24206ee3567c1f6983c358 (patch)
tree9dbf177222d94213d9dd82d67de6d905e1a2b278 /drivers
parent5a43ee65620d628ba04deecf241b63b2410b97f2 (diff)
parentd98550e334715b2d9e45f8f0f4e1608720108640 (diff)
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Merge ../linux-2.6
Diffstat (limited to 'drivers')
-rw-r--r--drivers/char/genrtc.c8
-rw-r--r--drivers/char/keyboard.c38
-rw-r--r--drivers/char/mwave/mwavedd.c2
-rw-r--r--drivers/char/tipar.c2
-rw-r--r--drivers/edac/e752x_edac.c17
-rw-r--r--drivers/infiniband/hw/ipath/ipath_debug.h15
-rw-r--r--drivers/infiniband/hw/ipath/ipath_diag.c3
-rw-r--r--drivers/infiniband/hw/ipath/ipath_driver.c18
-rw-r--r--drivers/infiniband/hw/ipath/ipath_init_chip.c36
-rw-r--r--drivers/infiniband/hw/ipath/ipath_intr.c21
-rw-r--r--drivers/infiniband/hw/ipath/ipath_kernel.h10
-rw-r--r--drivers/infiniband/hw/ipath/ipath_layer.c6
-rw-r--r--drivers/infiniband/hw/ipath/ipath_pe800.c4
-rw-r--r--drivers/infiniband/hw/ipath/ipath_registers.h31
-rw-r--r--drivers/infiniband/hw/ipath/ipath_ruc.c15
-rw-r--r--drivers/infiniband/hw/ipath/ipath_sysfs.c14
-rw-r--r--drivers/infiniband/hw/ipath/ipath_ud.c6
-rw-r--r--drivers/infiniband/hw/ipath/ipath_verbs.c39
-rw-r--r--drivers/infiniband/hw/ipath/ipath_verbs.h3
-rw-r--r--drivers/infiniband/hw/ipath/ips_common.h2
-rw-r--r--drivers/infiniband/hw/mthca/mthca_provider.c2
-rw-r--r--drivers/input/evdev.c21
-rw-r--r--drivers/input/input.c11
-rw-r--r--drivers/input/keyboard/spitzkbd.c4
-rw-r--r--drivers/input/misc/wistron_btns.c30
-rw-r--r--drivers/input/mouse/psmouse-base.c4
-rw-r--r--drivers/input/touchscreen/ads7846.c414
-rw-r--r--drivers/input/touchscreen/corgi_ts.c2
-rw-r--r--drivers/md/raid1.c29
-rw-r--r--drivers/md/raid10.c46
-rw-r--r--drivers/media/video/cx88/cx88-alsa.c2
-rw-r--r--drivers/mmc/at91_mci.c3
-rw-r--r--drivers/mmc/au1xmmc.c4
-rw-r--r--drivers/mmc/imxmmc.c60
-rw-r--r--drivers/mmc/mmc.c62
-rw-r--r--drivers/mmc/mmc_block.c6
-rw-r--r--drivers/mmc/mmci.c3
-rw-r--r--drivers/mmc/pxamci.c13
-rw-r--r--drivers/mmc/sdhci.c4
-rw-r--r--drivers/mmc/wbsd.c4
-rw-r--r--drivers/net/forcedeth.c312
-rw-r--r--drivers/net/hamradio/dmascc.c1
-rw-r--r--drivers/net/hamradio/scc.c1
-rw-r--r--drivers/net/hamradio/yam.c1
-rw-r--r--drivers/net/mv643xx_eth.c2
-rw-r--r--drivers/net/tg3.c82
-rw-r--r--drivers/net/tg3.h1
-rw-r--r--drivers/net/via-rhine.c6
-rw-r--r--drivers/pcmcia/i82365.c7
-rw-r--r--drivers/rtc/rtc-dev.c17
-rw-r--r--drivers/s390/block/dasd.c5
-rw-r--r--drivers/s390/block/dasd_devmap.c102
-rw-r--r--drivers/s390/block/dasd_eckd.c51
-rw-r--r--drivers/s390/block/dasd_eckd.h46
-rw-r--r--drivers/s390/block/dasd_int.h12
-rw-r--r--drivers/s390/char/tape_3590.c22
-rw-r--r--drivers/s390/char/tape_std.h1
-rw-r--r--drivers/s390/cio/chsc.c30
-rw-r--r--drivers/s390/cio/qdio.c36
-rw-r--r--drivers/s390/net/qeth_main.c1
-rw-r--r--drivers/s390/s390mach.c34
-rw-r--r--drivers/scsi/Kconfig4
-rw-r--r--drivers/scsi/advansys.c2
-rw-r--r--drivers/serial/cpm_uart/cpm_uart.h19
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_core.c37
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_cpm1.c2
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_cpm2.c2
-rw-r--r--drivers/serial/imx.c40
-rw-r--r--drivers/sn/ioc3.c2
-rw-r--r--drivers/sn/ioc4.c2
-rw-r--r--drivers/video/Kconfig2
-rw-r--r--drivers/video/au1200fb.c1922
72 files changed, 1372 insertions, 2446 deletions
diff --git a/drivers/char/genrtc.c b/drivers/char/genrtc.c
index d3a2bc3..588fca5 100644
--- a/drivers/char/genrtc.c
+++ b/drivers/char/genrtc.c
@@ -200,13 +200,13 @@ static ssize_t gen_rtc_read(struct file *file, char __user *buf,
/* first test allows optimizer to nuke this case for 32-bit machines */
if (sizeof (int) != sizeof (long) && count == sizeof (unsigned int)) {
unsigned int uidata = data;
- retval = put_user(uidata, (unsigned long __user *)buf);
+ retval = put_user(uidata, (unsigned int __user *)buf) ?:
+ sizeof(unsigned int);
}
else {
- retval = put_user(data, (unsigned long __user *)buf);
+ retval = put_user(data, (unsigned long __user *)buf) ?:
+ sizeof(unsigned long);
}
- if (!retval)
- retval = sizeof(unsigned long);
out:
current->state = TASK_RUNNING;
remove_wait_queue(&gen_rtc_wait, &wait);
diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
index 935670a..5755b7e 100644
--- a/drivers/char/keyboard.c
+++ b/drivers/char/keyboard.c
@@ -860,9 +860,32 @@ static void k_slock(struct vc_data *vc, unsigned char value, char up_flag, struc
}
/* by default, 300ms interval for combination release */
-static long brl_timeout = 300;
-MODULE_PARM_DESC(brl_timeout, "Braille keys release delay in ms (0 for combination on first release, < 0 for dead characters)");
-module_param(brl_timeout, long, 0644);
+static unsigned brl_timeout = 300;
+MODULE_PARM_DESC(brl_timeout, "Braille keys release delay in ms (0 for commit on first key release)");
+module_param(brl_timeout, uint, 0644);
+
+static unsigned brl_nbchords = 1;
+MODULE_PARM_DESC(brl_nbchords, "Number of chords that produce a braille pattern (0 for dead chords)");
+module_param(brl_nbchords, uint, 0644);
+
+static void k_brlcommit(struct vc_data *vc, unsigned int pattern, char up_flag, struct pt_regs *regs)
+{
+ static unsigned long chords;
+ static unsigned committed;
+
+ if (!brl_nbchords)
+ k_deadunicode(vc, BRL_UC_ROW | pattern, up_flag, regs);
+ else {
+ committed |= pattern;
+ chords++;
+ if (chords == brl_nbchords) {
+ k_unicode(vc, BRL_UC_ROW | committed, up_flag, regs);
+ chords = 0;
+ committed = 0;
+ }
+ }
+}
+
static void k_brl(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs)
{
static unsigned pressed,committing;
@@ -882,11 +905,6 @@ static void k_brl(struct vc_data *vc, unsigned char value, char up_flag, struct
if (value > 8)
return;
- if (brl_timeout < 0) {
- k_deadunicode(vc, BRL_UC_ROW | (1 << (value - 1)), up_flag, regs);
- return;
- }
-
if (up_flag) {
if (brl_timeout) {
if (!committing ||
@@ -897,13 +915,13 @@ static void k_brl(struct vc_data *vc, unsigned char value, char up_flag, struct
pressed &= ~(1 << (value - 1));
if (!pressed) {
if (committing) {
- k_unicode(vc, BRL_UC_ROW | committing, 0, regs);
+ k_brlcommit(vc, committing, 0, regs);
committing = 0;
}
}
} else {
if (committing) {
- k_unicode(vc, BRL_UC_ROW | committing, 0, regs);
+ k_brlcommit(vc, committing, 0, regs);
committing = 0;
}
pressed &= ~(1 << (value - 1));
diff --git a/drivers/char/mwave/mwavedd.c b/drivers/char/mwave/mwavedd.c
index 8666171..d3ba2f8 100644
--- a/drivers/char/mwave/mwavedd.c
+++ b/drivers/char/mwave/mwavedd.c
@@ -271,7 +271,7 @@ static int mwave_ioctl(struct inode *inode, struct file *file,
ipcnum,
pDrvData->IPCs[ipcnum].usIntCount);
- if (ipcnum > ARRAY_SIZE(pDrvData->IPCs)) {
+ if (ipcnum >= ARRAY_SIZE(pDrvData->IPCs)) {
PRINTK_ERROR(KERN_ERR_MWAVE
"mwavedd::mwave_ioctl:"
" IOCTL_MW_REGISTER_IPC:"
diff --git a/drivers/char/tipar.c b/drivers/char/tipar.c
index eb2eb3e..079db5a 100644
--- a/drivers/char/tipar.c
+++ b/drivers/char/tipar.c
@@ -515,7 +515,7 @@ tipar_init_module(void)
err = PTR_ERR(tipar_class);
goto out_chrdev;
}
- if (parport_register_driver(&tipar_driver) || tp_count == 0) {
+ if (parport_register_driver(&tipar_driver)) {
printk(KERN_ERR "tipar: unable to register with parport\n");
err = -EIO;
goto out_class;
diff --git a/drivers/edac/e752x_edac.c b/drivers/edac/e752x_edac.c
index 66572c5..fce3193 100644
--- a/drivers/edac/e752x_edac.c
+++ b/drivers/edac/e752x_edac.c
@@ -25,6 +25,8 @@
#include <linux/slab.h>
#include "edac_mc.h"
+static int force_function_unhide;
+
#define e752x_printk(level, fmt, arg...) \
edac_printk(level, "e752x", fmt, ##arg)
@@ -782,8 +784,16 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
debugf0("%s(): mci\n", __func__);
debugf0("Starting Probe1\n");
- /* enable device 0 function 1 */
+ /* check to see if device 0 function 1 is enabled; if it isn't, we
+ * assume the BIOS has reserved it for a reason and is expecting
+ * exclusive access, we take care not to violate that assumption and
+ * fail the probe. */
pci_read_config_byte(pdev, E752X_DEVPRES1, &stat8);
+ if (!force_function_unhide && !(stat8 & (1 << 5))) {
+ printk(KERN_INFO "Contact your BIOS vendor to see if the "
+ "E752x error registers can be safely un-hidden\n");
+ goto fail;
+ }
stat8 |= (1 << 5);
pci_write_config_byte(pdev, E752X_DEVPRES1, stat8);
@@ -1063,3 +1073,8 @@ module_exit(e752x_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Linux Networx (http://lnxi.com) Tom Zimmerman\n");
MODULE_DESCRIPTION("MC support for Intel e752x memory controllers");
+
+module_param(force_function_unhide, int, 0444);
+MODULE_PARM_DESC(force_function_unhide, "if BIOS sets Dev0:Fun1 up as hidden:"
+" 1=force unhide and hope BIOS doesn't fight driver for Dev0:Fun1 access");
+
diff --git a/drivers/infiniband/hw/ipath/ipath_debug.h b/drivers/infiniband/hw/ipath/ipath_debug.h
index 593e289..4676238 100644
--- a/drivers/infiniband/hw/ipath/ipath_debug.h
+++ b/drivers/infiniband/hw/ipath/ipath_debug.h
@@ -60,11 +60,11 @@
#define __IPATH_KERNEL_SEND 0x2000 /* use kernel mode send */
#define __IPATH_EPKTDBG 0x4000 /* print ethernet packet data */
#define __IPATH_SMADBG 0x8000 /* sma packet debug */
-#define __IPATH_IPATHDBG 0x10000 /* Ethernet (IPATH) general debug on */
-#define __IPATH_IPATHWARN 0x20000 /* Ethernet (IPATH) warnings on */
-#define __IPATH_IPATHERR 0x40000 /* Ethernet (IPATH) errors on */
-#define __IPATH_IPATHPD 0x80000 /* Ethernet (IPATH) packet dump on */
-#define __IPATH_IPATHTABLE 0x100000 /* Ethernet (IPATH) table dump on */
+#define __IPATH_IPATHDBG 0x10000 /* Ethernet (IPATH) gen debug */
+#define __IPATH_IPATHWARN 0x20000 /* Ethernet (IPATH) warnings */
+#define __IPATH_IPATHERR 0x40000 /* Ethernet (IPATH) errors */
+#define __IPATH_IPATHPD 0x80000 /* Ethernet (IPATH) packet dump */
+#define __IPATH_IPATHTABLE 0x100000 /* Ethernet (IPATH) table dump */
#else /* _IPATH_DEBUGGING */
@@ -79,11 +79,12 @@
#define __IPATH_TRSAMPLE 0x0 /* generate trace buffer sample entries */
#define __IPATH_VERBDBG 0x0 /* very verbose debug */
#define __IPATH_PKTDBG 0x0 /* print packet data */
-#define __IPATH_PROCDBG 0x0 /* print process startup (init)/exit messages */
+#define __IPATH_PROCDBG 0x0 /* process startup (init)/exit messages */
/* print mmap/nopage stuff, not using VDBG any more */
#define __IPATH_MMDBG 0x0
#define __IPATH_EPKTDBG 0x0 /* print ethernet packet data */
-#define __IPATH_SMADBG 0x0 /* print process startup (init)/exit messages */#define __IPATH_IPATHDBG 0x0 /* Ethernet (IPATH) table dump on */
+#define __IPATH_SMADBG 0x0 /* process startup (init)/exit messages */
+#define __IPATH_IPATHDBG 0x0 /* Ethernet (IPATH) table dump on */
#define __IPATH_IPATHWARN 0x0 /* Ethernet (IPATH) warnings on */
#define __IPATH_IPATHERR 0x0 /* Ethernet (IPATH) errors on */
#define __IPATH_IPATHPD 0x0 /* Ethernet (IPATH) packet dump on */
diff --git a/drivers/infiniband/hw/ipath/ipath_diag.c b/drivers/infiniband/hw/ipath/ipath_diag.c
index 7d3fb69..28ddceb 100644
--- a/drivers/infiniband/hw/ipath/ipath_diag.c
+++ b/drivers/infiniband/hw/ipath/ipath_diag.c
@@ -277,13 +277,14 @@ static int ipath_diag_open(struct inode *in, struct file *fp)
bail:
spin_unlock_irqrestore(&ipath_devs_lock, flags);
- mutex_unlock(&ipath_mutex);
/* Only expose a way to reset the device if we
make it into diag mode. */
if (ret == 0)
ipath_expose_reset(&dd->pcidev->dev);
+ mutex_unlock(&ipath_mutex);
+
return ret;
}
diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c
index e7617c3..398add4 100644
--- a/drivers/infiniband/hw/ipath/ipath_driver.c
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c
@@ -418,9 +418,19 @@ static int __devinit ipath_init_one(struct pci_dev *pdev,
ret = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
if (ret) {
- dev_info(&pdev->dev, "pci_set_dma_mask unit %u "
- "fails: %d\n", dd->ipath_unit, ret);
- goto bail_regions;
+ /*
+ * if the 64 bit setup fails, try 32 bit. Some systems
+ * do not setup 64 bit maps on systems with 2GB or less
+ * memory installed.
+ */
+ ret = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+ if (ret) {
+ dev_info(&pdev->dev, "pci_set_dma_mask unit %u "
+ "fails: %d\n", dd->ipath_unit, ret);
+ goto bail_regions;
+ }
+ else
+ ipath_dbg("No 64bit DMA mask, used 32 bit mask\n");
}
pci_set_master(pdev);
@@ -1949,7 +1959,7 @@ int ipath_reset_device(int unit)
}
if (dd->ipath_pd)
- for (i = 1; i < dd->ipath_portcnt; i++) {
+ for (i = 1; i < dd->ipath_cfgports; i++) {
if (dd->ipath_pd[i] && dd->ipath_pd[i]->port_cnt) {
ipath_dbg("unit %u port %d is in use "
"(PID %u cmd %s), can't reset\n",
diff --git a/drivers/infiniband/hw/ipath/ipath_init_chip.c b/drivers/infiniband/hw/ipath/ipath_init_chip.c
index 2823ff9..16f640e 100644
--- a/drivers/infiniband/hw/ipath/ipath_init_chip.c
+++ b/drivers/infiniband/hw/ipath/ipath_init_chip.c
@@ -53,13 +53,19 @@ MODULE_PARM_DESC(cfgports, "Set max number of ports to use");
/*
* Number of buffers reserved for driver (layered drivers and SMA
- * send). Reserved at end of buffer list.
+ * send). Reserved at end of buffer list. Initialized based on
+ * number of PIO buffers if not set via module interface.
+ * The problem with this is that it's global, but we'll use different
+ * numbers for different chip types. So the default value is not
+ * very useful. I've redefined it for the 1.3 release so that it's
+ * zero unless set by the user to something else, in which case we
+ * try to respect it.
*/
-static ushort ipath_kpiobufs = 32;
+static ushort ipath_kpiobufs;
static int ipath_set_kpiobufs(const char *val, struct kernel_param *kp);
-module_param_call(kpiobufs, ipath_set_kpiobufs, param_get_uint,
+module_param_call(kpiobufs, ipath_set_kpiobufs, param_get_ushort,
&ipath_kpiobufs, S_IWUSR | S_IRUGO);
MODULE_PARM_DESC(kpiobufs, "Set number of PIO buffers for driver");
@@ -531,8 +537,11 @@ static int init_housekeeping(struct ipath_devdata *dd,
* Don't clear ipath_flags as 8bit mode was set before
* entering this func. However, we do set the linkstate to
* unknown, so we can watch for a transition.
+ * PRESENT is set because we want register reads to work,
+ * and the kernel infrastructure saw it in config space;
+ * We clear it if we have failures.
*/
- dd->ipath_flags |= IPATH_LINKUNK;
+ dd->ipath_flags |= IPATH_LINKUNK | IPATH_PRESENT;
dd->ipath_flags &= ~(IPATH_LINKACTIVE | IPATH_LINKARMED |
IPATH_LINKDOWN | IPATH_LINKINIT);
@@ -560,6 +569,7 @@ static int init_housekeeping(struct ipath_devdata *dd,
|| (dd->ipath_uregbase & 0xffffffff) == 0xffffffff) {
ipath_dev_err(dd, "Register read failures from chip, "
"giving up initialization\n");
+ dd->ipath_flags &= ~IPATH_PRESENT;
ret = -ENODEV;
goto done;
}
@@ -682,16 +692,14 @@ int ipath_init_chip(struct ipath_devdata *dd, int reinit)
*/
dd->ipath_pioavregs = ALIGN(val, sizeof(u64) * BITS_PER_BYTE / 2)
/ (sizeof(u64) * BITS_PER_BYTE / 2);
- if (!ipath_kpiobufs) /* have to have at least 1, for SMA */
- kpiobufs = ipath_kpiobufs = 1;
- else if ((dd->ipath_piobcnt2k + dd->ipath_piobcnt4k) <
- (dd->ipath_cfgports * IPATH_MIN_USER_PORT_BUFCNT)) {
- dev_info(&dd->pcidev->dev, "Too few PIO buffers (%u) "
- "for %u ports to have %u each!\n",
- dd->ipath_piobcnt2k + dd->ipath_piobcnt4k,
- dd->ipath_cfgports, IPATH_MIN_USER_PORT_BUFCNT);
- kpiobufs = 1; /* reserve just the minimum for SMA/ether */
- } else
+ if (ipath_kpiobufs == 0) {
+ /* not set by user, or set explictly to default */
+ if ((dd->ipath_piobcnt2k + dd->ipath_piobcnt4k) > 128)
+ kpiobufs = 32;
+ else
+ kpiobufs = 16;
+ }
+ else
kpiobufs = ipath_kpiobufs;
if (kpiobufs >
diff --git a/drivers/infiniband/hw/ipath/ipath_intr.c b/drivers/infiniband/hw/ipath/ipath_intr.c
index 0bcb428..3e72a1f 100644
--- a/drivers/infiniband/hw/ipath/ipath_intr.c
+++ b/drivers/infiniband/hw/ipath/ipath_intr.c
@@ -665,14 +665,14 @@ static void handle_layer_pioavail(struct ipath_devdata *dd)
ret = __ipath_layer_intr(dd, IPATH_LAYER_INT_SEND_CONTINUE);
if (ret > 0)
- goto clear;
+ goto set;
ret = __ipath_verbs_piobufavail(dd);
if (ret > 0)
- goto clear;
+ goto set;
return;
-clear:
+set:
set_bit(IPATH_S_PIOINTBUFAVAIL, &dd->ipath_sendctrl);
ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
dd->ipath_sendctrl);
@@ -719,11 +719,24 @@ static void handle_rcv(struct ipath_devdata *dd, u32 istat)
irqreturn_t ipath_intr(int irq, void *data, struct pt_regs *regs)
{
struct ipath_devdata *dd = data;
- u32 istat = ipath_read_kreg32(dd, dd->ipath_kregs->kr_intstatus);
+ u32 istat;
ipath_err_t estat = 0;
static unsigned unexpected = 0;
irqreturn_t ret;
+ if(!(dd->ipath_flags & IPATH_PRESENT)) {
+ /* this is mostly so we don't try to touch the chip while
+ * it is being reset */
+ /*
+ * This return value is perhaps odd, but we do not want the
+ * interrupt core code to remove our interrupt handler
+ * because we don't appear to be handling an interrupt
+ * during a chip reset.
+ */
+ return IRQ_HANDLED;
+ }
+
+ istat = ipath_read_kreg32(dd, dd->ipath_kregs->kr_intstatus);
if (unlikely(!istat)) {
ipath_stats.sps_nullintr++;
ret = IRQ_NONE; /* not our interrupt, or already handled */
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h
index 0ce5f19..e6507f8 100644
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -731,7 +731,7 @@ u64 ipath_read_kreg64_port(const struct ipath_devdata *, ipath_kreg,
static inline u32 ipath_read_ureg32(const struct ipath_devdata *dd,
ipath_ureg regno, int port)
{
- if (!dd->ipath_kregbase)
+ if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
return 0;
return readl(regno + (u64 __iomem *)
@@ -762,7 +762,7 @@ static inline void ipath_write_ureg(const struct ipath_devdata *dd,
static inline u32 ipath_read_kreg32(const struct ipath_devdata *dd,
ipath_kreg regno)
{
- if (!dd->ipath_kregbase)
+ if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
return -1;
return readl((u32 __iomem *) & dd->ipath_kregbase[regno]);
}
@@ -770,7 +770,7 @@ static inline u32 ipath_read_kreg32(const struct ipath_devdata *dd,
static inline u64 ipath_read_kreg64(const struct ipath_devdata *dd,
ipath_kreg regno)
{
- if (!dd->ipath_kregbase)
+ if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
return -1;
return readq(&dd->ipath_kregbase[regno]);
@@ -786,7 +786,7 @@ static inline void ipath_write_kreg(const struct ipath_devdata *dd,
static inline u64 ipath_read_creg(const struct ipath_devdata *dd,
ipath_sreg regno)
{
- if (!dd->ipath_kregbase)
+ if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
return 0;
return readq(regno + (u64 __iomem *)
@@ -797,7 +797,7 @@ static inline u64 ipath_read_creg(const struct ipath_devdata *dd,
static inline u32 ipath_read_creg32(const struct ipath_devdata *dd,
ipath_sreg regno)
{
- if (!dd->ipath_kregbase)
+ if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
return 0;
return readl(regno + (u64 __iomem *)
(dd->ipath_cregbase +
diff --git a/drivers/infiniband/hw/ipath/ipath_layer.c b/drivers/infiniband/hw/ipath/ipath_layer.c
index 69ed110..9cb5258 100644
--- a/drivers/infiniband/hw/ipath/ipath_layer.c
+++ b/drivers/infiniband/hw/ipath/ipath_layer.c
@@ -46,13 +46,15 @@
/* Acquire before ipath_devs_lock. */
static DEFINE_MUTEX(ipath_layer_mutex);
+static int ipath_verbs_registered;
+
u16 ipath_layer_rcv_opcode;
+
static int (*layer_intr)(void *, u32);
static int (*layer_rcv)(void *, void *, struct sk_buff *);
static int (*layer_rcv_lid)(void *, void *);
static int (*verbs_piobufavail)(void *);
static void (*verbs_rcv)(void *, void *, void *, u32);
-static int ipath_verbs_registered;
static void *(*layer_add_one)(int, struct ipath_devdata *);
static void (*layer_remove_one)(void *);
@@ -586,6 +588,8 @@ void ipath_verbs_unregister(void)
verbs_rcv = NULL;
verbs_timer_cb = NULL;
+ ipath_verbs_registered = 0;
+
mutex_unlock(&ipath_layer_mutex);
}
diff --git a/drivers/infiniband/hw/ipath/ipath_pe800.c b/drivers/infiniband/hw/ipath/ipath_pe800.c
index e1dc4f7..6318067 100644
--- a/drivers/infiniband/hw/ipath/ipath_pe800.c
+++ b/drivers/infiniband/hw/ipath/ipath_pe800.c
@@ -972,6 +972,8 @@ static int ipath_setup_pe_reset(struct ipath_devdata *dd)
/* Use ERROR so it shows up in logs, etc. */
ipath_dev_err(dd, "Resetting PE-800 unit %u\n",
dd->ipath_unit);
+ /* keep chip from being accessed in a few places */
+ dd->ipath_flags &= ~(IPATH_INITTED|IPATH_PRESENT);
val = dd->ipath_control | INFINIPATH_C_RESET;
ipath_write_kreg(dd, dd->ipath_kregs->kr_control, val);
mb();
@@ -997,6 +999,8 @@ static int ipath_setup_pe_reset(struct ipath_devdata *dd)
if ((r = pci_enable_device(dd->pcidev)))
ipath_dev_err(dd, "pci_enable_device failed after "
"reset: %d\n", r);
+ /* whether it worked or not, mark as present, again */
+ dd->ipath_flags |= IPATH_PRESENT;
val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_revision);
if (val == dd->ipath_revision) {
ipath_cdbg(VERBOSE, "Got matching revision "
diff --git a/drivers/infiniband/hw/ipath/ipath_registers.h b/drivers/infiniband/hw/ipath/ipath_registers.h
index 1e59750..402126e 100644
--- a/drivers/infiniband/hw/ipath/ipath_registers.h
+++ b/drivers/infiniband/hw/ipath/ipath_registers.h
@@ -34,8 +34,9 @@
#define _IPATH_REGISTERS_H
/*
- * This file should only be included by kernel source, and by the diags.
- * It defines the registers, and their contents, for the InfiniPath HT-400 chip
+ * This file should only be included by kernel source, and by the diags. It
+ * defines the registers, and their contents, for the InfiniPath HT-400
+ * chip.
*/
/*
@@ -156,8 +157,10 @@
#define INFINIPATH_IBCC_FLOWCTRLWATERMARK_SHIFT 8
#define INFINIPATH_IBCC_LINKINITCMD_MASK 0x3ULL
#define INFINIPATH_IBCC_LINKINITCMD_DISABLE 1
-#define INFINIPATH_IBCC_LINKINITCMD_POLL 2 /* cycle through TS1/TS2 till OK */
-#define INFINIPATH_IBCC_LINKINITCMD_SLEEP 3 /* wait for TS1, then go on */
+/* cycle through TS1/TS2 till OK */
+#define INFINIPATH_IBCC_LINKINITCMD_POLL 2
+/* wait for TS1, then go on */
+#define INFINIPATH_IBCC_LINKINITCMD_SLEEP 3
#define INFINIPATH_IBCC_LINKINITCMD_SHIFT 16
#define INFINIPATH_IBCC_LINKCMD_MASK 0x3ULL
#define INFINIPATH_IBCC_LINKCMD_INIT 1 /* move to 0x11 */
@@ -182,7 +185,8 @@
#define INFINIPATH_IBCS_LINKSTATE_SHIFT 4
#define INFINIPATH_IBCS_TXREADY 0x40000000
#define INFINIPATH_IBCS_TXCREDITOK 0x80000000
-/* link training states (shift by INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) */
+/* link training states (shift by
+ INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) */
#define INFINIPATH_IBCS_LT_STATE_DISABLED 0x00
#define INFINIPATH_IBCS_LT_STATE_LINKUP 0x01
#define INFINIPATH_IBCS_LT_STATE_POLLACTIVE 0x02
@@ -267,10 +271,12 @@
/* kr_serdesconfig0 bits */
#define INFINIPATH_SERDC0_RESET_MASK 0xfULL /* overal reset bits */
#define INFINIPATH_SERDC0_RESET_PLL 0x10000000ULL /* pll reset */
-#define INFINIPATH_SERDC0_TXIDLE 0xF000ULL /* tx idle enables (per lane) */
-#define INFINIPATH_SERDC0_RXDETECT_EN 0xF0000ULL /* rx detect enables (per lane) */
-#define INFINIPATH_SERDC0_L1PWR_DN 0xF0ULL /* L1 Power down; use with RXDETECT,
- Otherwise not used on IB side */
+/* tx idle enables (per lane) */
+#define INFINIPATH_SERDC0_TXIDLE 0xF000ULL
+/* rx detect enables (per lane) */
+#define INFINIPATH_SERDC0_RXDETECT_EN 0xF0000ULL
+/* L1 Power down; use with RXDETECT, Otherwise not used on IB side */
+#define INFINIPATH_SERDC0_L1PWR_DN 0xF0ULL
/* kr_xgxsconfig bits */
#define INFINIPATH_XGXS_RESET 0x7ULL
@@ -390,12 +396,13 @@ struct ipath_kregs {
ipath_kreg kr_txintmemsize;
ipath_kreg kr_xgxsconfig;
ipath_kreg kr_ibpllcfg;
- /* use these two (and the following N ports) only with ipath_k*_kreg64_port();
- * not *kreg64() */
+ /* use these two (and the following N ports) only with
+ * ipath_k*_kreg64_port(); not *kreg64() */
ipath_kreg kr_rcvhdraddr;
ipath_kreg kr_rcvhdrtailaddr;
- /* remaining registers are not present on all types of infinipath chips */
+ /* remaining registers are not present on all types of infinipath
+ chips */
ipath_kreg kr_rcvpktledcnt;
ipath_kreg kr_pcierbuftestreg0;
ipath_kreg kr_pcierbuftestreg1;
diff --git a/drivers/infiniband/hw/ipath/ipath_ruc.c b/drivers/infiniband/hw/ipath/ipath_ruc.c
index f232e77..eb81424 100644
--- a/drivers/infiniband/hw/ipath/ipath_ruc.c
+++ b/drivers/infiniband/hw/ipath/ipath_ruc.c
@@ -531,19 +531,12 @@ int ipath_post_rc_send(struct ipath_qp *qp, struct ib_send_wr *wr)
}
wqe->wr.num_sge = j;
qp->s_head = next;
- /*
- * Wake up the send tasklet if the QP is not waiting
- * for an RNR timeout.
- */
- next = qp->s_rnr_timeout;
spin_unlock_irqrestore(&qp->s_lock, flags);
- if (next == 0) {
- if (qp->ibqp.qp_type == IB_QPT_UC)
- ipath_do_uc_send((unsigned long) qp);
- else
- ipath_do_rc_send((unsigned long) qp);
- }
+ if (qp->ibqp.qp_type == IB_QPT_UC)
+ ipath_do_uc_send((unsigned long) qp);
+ else
+ ipath_do_rc_send((unsigned long) qp);
ret = 0;
diff --git a/drivers/infiniband/hw/ipath/ipath_sysfs.c b/drivers/infiniband/hw/ipath/ipath_sysfs.c
index 32acd80..f323791 100644
--- a/drivers/infiniband/hw/ipath/ipath_sysfs.c
+++ b/drivers/infiniband/hw/ipath/ipath_sysfs.c
@@ -711,10 +711,22 @@ static struct attribute_group dev_attr_group = {
* enters diag mode. A device reset is quite likely to crash the
* machine entirely, so we don't want to normally make it
* available.
+ *
+ * Called with ipath_mutex held.
*/
int ipath_expose_reset(struct device *dev)
{
- return device_create_file(dev, &dev_attr_reset);
+ static int exposed;
+ int ret;
+
+ if (!exposed) {
+ ret = device_create_file(dev, &dev_attr_reset);
+ exposed = 1;
+ }
+ else
+ ret = 0;
+
+ return ret;
}
int ipath_driver_create_group(struct device_driver *drv)
diff --git a/drivers/infiniband/hw/ipath/ipath_ud.c b/drivers/infiniband/hw/ipath/ipath_ud.c
index 01cfb30..e606daf 100644
--- a/drivers/infiniband/hw/ipath/ipath_ud.c
+++ b/drivers/infiniband/hw/ipath/ipath_ud.c
@@ -46,8 +46,10 @@
* This is called from ipath_post_ud_send() to forward a WQE addressed
* to the same HCA.
*/
-static void ipath_ud_loopback(struct ipath_qp *sqp, struct ipath_sge_state *ss,
- u32 length, struct ib_send_wr *wr, struct ib_wc *wc)
+static void ipath_ud_loopback(struct ipath_qp *sqp,
+ struct ipath_sge_state *ss,
+ u32 length, struct ib_send_wr *wr,
+ struct ib_wc *wc)
{
struct ipath_ibdev *dev = to_idev(sqp->ibqp.device);
struct ipath_qp *qp;
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c
index 8d2558a..cb9e387 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c
@@ -449,7 +449,6 @@ static void ipath_ib_timer(void *arg)
{
struct ipath_ibdev *dev = (struct ipath_ibdev *) arg;
struct ipath_qp *resend = NULL;
- struct ipath_qp *rnr = NULL;
struct list_head *last;
struct ipath_qp *qp;
unsigned long flags;
@@ -465,32 +464,18 @@ static void ipath_ib_timer(void *arg)
last = &dev->pending[dev->pending_index];
while (!list_empty(last)) {
qp = list_entry(last->next, struct ipath_qp, timerwait);
- if (last->next == LIST_POISON1 ||
- last->next != &qp->timerwait ||
- qp->timerwait.prev != last) {
- INIT_LIST_HEAD(last);
- } else {
- list_del(&qp->timerwait);
- qp->timerwait.prev = (struct list_head *) resend;
- resend = qp;
- atomic_inc(&qp->refcount);
- }
+ list_del(&qp->timerwait);
+ qp->timer_next = resend;
+ resend = qp;
+ atomic_inc(&qp->refcount);
}
last = &dev->rnrwait;
if (!list_empty(last)) {
qp = list_entry(last->next, struct ipath_qp, timerwait);
if (--qp->s_rnr_timeout == 0) {
do {
- if (last->next == LIST_POISON1 ||
- last->next != &qp->timerwait ||
- qp->timerwait.prev != last) {
- INIT_LIST_HEAD(last);
- break;
- }
list_del(&qp->timerwait);
- qp->timerwait.prev =
- (struct list_head *) rnr;
- rnr = qp;
+ tasklet_hi_schedule(&qp->s_task);
if (list_empty(last))
break;
qp = list_entry(last->next, struct ipath_qp,
@@ -530,8 +515,7 @@ static void ipath_ib_timer(void *arg)
spin_unlock_irqrestore(&dev->pending_lock, flags);
/* XXX What if timer fires again while this is running? */
- for (qp = resend; qp != NULL;
- qp = (struct ipath_qp *) qp->timerwait.prev) {
+ for (qp = resend; qp != NULL; qp = qp->timer_next) {
struct ib_wc wc;
spin_lock_irqsave(&qp->s_lock, flags);
@@ -545,9 +529,6 @@ static void ipath_ib_timer(void *arg)
if (atomic_dec_and_test(&qp->refcount))
wake_up(&qp->wait);
}
- for (qp = rnr; qp != NULL;
- qp = (struct ipath_qp *) qp->timerwait.prev)
- tasklet_hi_schedule(&qp->s_task);
}
/**
@@ -556,9 +537,9 @@ static void ipath_ib_timer(void *arg)
*
* This is called from ipath_intr() at interrupt level when a PIO buffer is
* available after ipath_verbs_send() returned an error that no buffers were
- * available. Return 0 if we consumed all the PIO buffers and we still have
+ * available. Return 1 if we consumed all the PIO buffers and we still have
* QPs waiting for buffers (for now, just do a tasklet_hi_schedule and
- * return one).
+ * return zero).
*/
static int ipath_ib_piobufavail(void *arg)
{
@@ -579,7 +560,7 @@ static int ipath_ib_piobufavail(void *arg)
spin_unlock_irqrestore(&dev->pending_lock, flags);
bail:
- return 1;
+ return 0;
}
static int ipath_query_device(struct ib_device *ibdev,
@@ -1159,7 +1140,7 @@ static ssize_t show_stats(struct class_device *cdev, char *buf)
len = sprintf(buf,
"RC resends %d\n"
- "RC QACKs %d\n"
+ "RC no QACK %d\n"
"RC ACKs %d\n"
"RC SEQ NAKs %d\n"
"RC RDMA seq %d\n"
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.h b/drivers/infiniband/hw/ipath/ipath_verbs.h
index fcafbc7..4f8d593 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.h
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.h
@@ -282,7 +282,8 @@ struct ipath_srq {
*/
struct ipath_qp {
struct ib_qp ibqp;
- struct ipath_qp *next; /* link list for QPN hash table */
+ struct ipath_qp *next; /* link list for QPN hash table */
+ struct ipath_qp *timer_next; /* link list for ipath_ib_timer() */
struct list_head piowait; /* link for wait PIO buf */
struct list_head timerwait; /* link for waiting for timeouts */
struct ib_ah_attr remote_ah_attr;
diff --git a/drivers/infiniband/hw/ipath/ips_common.h b/drivers/infiniband/hw/ipath/ips_common.h
index 410a764..ab7cbbb 100644
--- a/drivers/infiniband/hw/ipath/ips_common.h
+++ b/drivers/infiniband/hw/ipath/ips_common.h
@@ -95,7 +95,7 @@ struct ether_header {
__u8 seq_num;
__le32 len;
/* MUST be of word size due to PIO write requirements */
- __u32 csum;
+ __le32 csum;
__le16 csum_offset;
__le16 flags;
__u16 first_2_bytes;
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index 565a24b..a2eae8a 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -306,7 +306,7 @@ static int mthca_query_gid(struct ib_device *ibdev, u8 port,
goto out;
}
- memcpy(gid->raw + 8, out_mad->data + (index % 8) * 16, 8);
+ memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8);
out:
kfree(in_mad);
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index a34e3d9..ba325f1 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -403,6 +403,27 @@ static long evdev_ioctl_handler(struct file *file, unsigned int cmd,
case EVIOCGID:
if (copy_to_user(p, &dev->id, sizeof(struct input_id)))
return -EFAULT;
+ return 0;
+
+ case EVIOCGREP:
+ if (!test_bit(EV_REP, dev->evbit))
+ return -ENOSYS;
+ if (put_user(dev->rep[REP_DELAY], ip))
+ return -EFAULT;
+ if (put_user(dev->rep[REP_PERIOD], ip + 1))
+ return -EFAULT;
+ return 0;
+
+ case EVIOCSREP:
+ if (!test_bit(EV_REP, dev->evbit))
+ return -ENOSYS;
+ if (get_user(u, ip))
+ return -EFAULT;
+ if (get_user(v, ip + 1))
+ return -EFAULT;
+
+ input_event(dev, EV_REP, REP_DELAY, u);
+ input_event(dev, EV_REP, REP_PERIOD, v);
return 0;
diff --git a/drivers/input/input.c b/drivers/input/input.c
index a935abe..3038c26 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -155,6 +155,9 @@ void input_event(struct input_dev *dev, unsigned int type, unsigned int code, in
if (code > SND_MAX || !test_bit(code, dev->sndbit))
return;
+ if (!!test_bit(code, dev->snd) != !!value)
+ change_bit(code, dev->snd);
+
if (dev->event) dev->event(dev, type, code, value);
break;
@@ -286,19 +289,19 @@ static struct input_device_id *input_match_device(struct input_device_id *id, st
for (; id->flags || id->driver_info; id++) {
if (id->flags & INPUT_DEVICE_ID_MATCH_BUS)
- if (id->id.bustype != dev->id.bustype)
+ if (id->bustype != dev->id.bustype)
continue;
if (id->flags & INPUT_DEVICE_ID_MATCH_VENDOR)
- if (id->id.vendor != dev->id.vendor)
+ if (id->vendor != dev->id.vendor)
continue;
if (id->flags & INPUT_DEVICE_ID_MATCH_PRODUCT)
- if (id->id.product != dev->id.product)
+ if (id->product != dev->id.product)
continue;
if (id->flags & INPUT_DEVICE_ID_MATCH_VERSION)
- if (id->id.version != dev->id.version)
+ if (id->version != dev->id.version)
continue;
MATCH_BIT(evbit, EV_MAX);
diff --git a/drivers/input/keyboard/spitzkbd.c b/drivers/input/keyboard/spitzkbd.c
index bc61cf8..1d238a9 100644
--- a/drivers/input/keyboard/spitzkbd.c
+++ b/drivers/input/keyboard/spitzkbd.c
@@ -53,8 +53,8 @@ static unsigned char spitzkbd_keycode[NR_SCANCODES] = {
KEY_LEFTCTRL, KEY_1, KEY_3, KEY_5, KEY_6, KEY_7, KEY_9, KEY_0, KEY_BACKSPACE, SPITZ_KEY_EXOK, SPITZ_KEY_EXCANCEL, 0, 0, 0, 0, 0, /* 1-16 */
0, KEY_2, KEY_4, KEY_R, KEY_Y, KEY_8, KEY_I, KEY_O, KEY_P, SPITZ_KEY_EXJOGDOWN, SPITZ_KEY_EXJOGUP, 0, 0, 0, 0, 0, /* 17-32 */
KEY_TAB, KEY_Q, KEY_E, KEY_T, KEY_G, KEY_U, KEY_J, KEY_K, 0, 0, 0, 0, 0, 0, 0, 0, /* 33-48 */
- SPITZ_KEY_CALENDER, KEY_W, KEY_S, KEY_F, KEY_V, KEY_H, KEY_M, KEY_L, 0, KEY_RIGHTSHIFT, 0, 0, 0, 0, 0, 0, /* 49-64 */
- SPITZ_KEY_ADDRESS, KEY_A, KEY_D, KEY_C, KEY_B, KEY_N, KEY_DOT, 0, KEY_ENTER, KEY_LEFTSHIFT, 0, 0, 0, 0, 0, 0, /* 65-80 */
+ SPITZ_KEY_ADDRESS, KEY_W, KEY_S, KEY_F, KEY_V, KEY_H, KEY_M, KEY_L, 0, KEY_RIGHTSHIFT, 0, 0, 0, 0, 0, 0, /* 49-64 */
+ SPITZ_KEY_CALENDER, KEY_A, KEY_D, KEY_C, KEY_B, KEY_N, KEY_DOT, 0, KEY_ENTER, KEY_LEFTSHIFT, 0, 0, 0, 0, 0, 0, /* 65-80 */
SPITZ_KEY_MAIL, KEY_Z, KEY_X, KEY_MINUS, KEY_SPACE, KEY_COMMA, 0, KEY_UP, 0, 0, SPITZ_KEY_FN, 0, 0, 0, 0, 0, /* 81-96 */
KEY_SYSRQ, SPITZ_KEY_JAP1, SPITZ_KEY_JAP2, SPITZ_KEY_CANCEL, SPITZ_KEY_OK, SPITZ_KEY_MENU, KEY_LEFT, KEY_DOWN, KEY_RIGHT, 0, 0, 0, 0, 0, 0, 0 /* 97-112 */
};
diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c
index 4b415d9..36cd2e0 100644
--- a/drivers/input/misc/wistron_btns.c
+++ b/drivers/input/misc/wistron_btns.c
@@ -273,6 +273,18 @@ static struct key_entry keymap_fs_amilo_pro_v2000[] = {
{ KE_END, 0 }
};
+static struct key_entry keymap_fujitsu_n3510[] = {
+ { KE_KEY, 0x11, KEY_PROG1 },
+ { KE_KEY, 0x12, KEY_PROG2 },
+ { KE_KEY, 0x36, KEY_WWW },
+ { KE_KEY, 0x31, KEY_MAIL },
+ { KE_KEY, 0x71, KEY_STOPCD },
+ { KE_KEY, 0x72, KEY_PLAYPAUSE },
+ { KE_KEY, 0x74, KEY_REWIND },
+ { KE_KEY, 0x78, KEY_FORWARD },
+ { KE_END, 0 }
+};
+
static struct key_entry keymap_wistron_ms2141[] = {
{ KE_KEY, 0x11, KEY_PROG1 },
{ KE_KEY, 0x12, KEY_PROG2 },
@@ -323,6 +335,24 @@ static struct dmi_system_id dmi_ids[] = {
},
{
.callback = dmi_matched,
+ .ident = "Fujitsu-Siemens Amilo M7400",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "AMILO M "),
+ },
+ .driver_data = keymap_fs_amilo_pro_v2000
+ },
+ {
+ .callback = dmi_matched,
+ .ident = "Fujitsu N3510",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "N3510"),
+ },
+ .driver_data = keymap_fujitsu_n3510
+ },
+ {
+ .callback = dmi_matched,
.ident = "Acer Aspire 1500",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index 32d70ed..136321a 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -302,8 +302,10 @@ static irqreturn_t psmouse_interrupt(struct serio *serio,
* Check if this is a new device announcement (0xAA 0x00)
*/
if (unlikely(psmouse->packet[0] == PSMOUSE_RET_BAT && psmouse->pktcnt <= 2)) {
- if (psmouse->pktcnt == 1)
+ if (psmouse->pktcnt == 1) {
+ psmouse->last = jiffies;
goto out;
+ }
if (psmouse->packet[1] == PSMOUSE_RET_ID) {
__psmouse_set_state(psmouse, PSMOUSE_IGNORE);
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index 46d1fec..1494175 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -2,6 +2,8 @@
* ADS7846 based touchscreen and sensor driver
*
* Copyright (c) 2005 David Brownell
+ * Copyright (c) 2006 Nokia Corporation
+ * Various changes: Imre Deak <imre.deak@nokia.com>
*
* Using code from:
* - corgi_ts.c
@@ -34,17 +36,25 @@
/*
- * This code has been lightly tested on an ads7846.
+ * This code has been tested on an ads7846 / N770 device.
* Support for ads7843 and ads7845 has only been stubbed in.
*
- * Not yet done: investigate the values reported. Are x/y/pressure
- * event values sane enough for X11? How accurate are the temperature
- * and voltage readings? (System-specific calibration should support
+ * Not yet done: How accurate are the temperature and voltage
+ * readings? (System-specific calibration should support
* accuracy of 0.3 degrees C; otherwise it's 2.0 degrees.)
*
+ * IRQ handling needs a workaround because of a shortcoming in handling
+ * edge triggered IRQs on some platforms like the OMAP1/2. These
+ * platforms don't handle the ARM lazy IRQ disabling properly, thus we
+ * have to maintain our own SW IRQ disabled status. This should be
+ * removed as soon as the affected platform's IRQ handling is fixed.
+ *
* app note sbaa036 talks in more detail about accurate sampling...
* that ought to help in situations like LCDs inducing noise (which
* can also be helped by using synch signals) and more generally.
+ * This driver tries to utilize the measures described in the app
+ * note. The strength of filtering can be set in the board-* specific
+ * files.
*/
#define TS_POLL_PERIOD msecs_to_jiffies(10)
@@ -61,6 +71,7 @@ struct ts_event {
__be16 x;
__be16 y;
__be16 z1, z2;
+ int ignore;
};
struct ads7846 {
@@ -71,12 +82,23 @@ struct ads7846 {
u16 model;
u16 vref_delay_usecs;
u16 x_plate_ohms;
+ u16 pressure_max;
- u8 read_x, read_y, read_z1, read_z2;
+ u8 read_x, read_y, read_z1, read_z2, pwrdown;
+ u16 dummy; /* for the pwrdown read */
struct ts_event tc;
- struct spi_transfer xfer[8];
- struct spi_message msg;
+ struct spi_transfer xfer[10];
+ struct spi_message msg[5];
+ struct spi_message *last_msg;
+ int msg_idx;
+ int read_cnt;
+ int read_rep;
+ int last_read;
+
+ u16 debounce_max;
+ u16 debounce_tol;
+ u16 debounce_rep;
spinlock_t lock;
struct timer_list timer; /* P: lock */
@@ -84,6 +106,9 @@ struct ads7846 {
unsigned pending:1; /* P: lock */
// FIXME remove "irq_disabled"
unsigned irq_disabled:1; /* P: lock */
+ unsigned disabled:1;
+
+ int (*get_pendown_state)(void);
};
/* leave chip selected when we're done, for quicker re-select? */
@@ -125,7 +150,9 @@ struct ads7846 {
#define READ_Y (READ_12BIT_DFR(y) | ADS_PD10_ADC_ON)
#define READ_Z1 (READ_12BIT_DFR(z1) | ADS_PD10_ADC_ON)
#define READ_Z2 (READ_12BIT_DFR(z2) | ADS_PD10_ADC_ON)
-#define READ_X (READ_12BIT_DFR(x) | ADS_PD10_PDOWN) /* LAST */
+
+#define READ_X (READ_12BIT_DFR(x) | ADS_PD10_ADC_ON)
+#define PWRDOWN (READ_12BIT_DFR(y) | ADS_PD10_PDOWN) /* LAST */
/* single-ended samples need to first power up reference voltage;
* we leave both ADC and VREF powered
@@ -152,6 +179,15 @@ struct ser_req {
struct spi_transfer xfer[6];
};
+static void ads7846_enable(struct ads7846 *ts);
+static void ads7846_disable(struct ads7846 *ts);
+
+static int device_suspended(struct device *dev)
+{
+ struct ads7846 *ts = dev_get_drvdata(dev);
+ return dev->power.power_state.event != PM_EVENT_ON || ts->disabled;
+}
+
static int ads7846_read12_ser(struct device *dev, unsigned command)
{
struct spi_device *spi = to_spi_device(dev);
@@ -164,7 +200,7 @@ static int ads7846_read12_ser(struct device *dev, unsigned command)
if (!req)
return -ENOMEM;
- INIT_LIST_HEAD(&req->msg.transfers);
+ spi_message_init(&req->msg);
/* activate reference, so it has time to settle; */
req->ref_on = REF_ON;
@@ -204,8 +240,10 @@ static int ads7846_read12_ser(struct device *dev, unsigned command)
for (i = 0; i < 6; i++)
spi_message_add_tail(&req->xfer[i], &req->msg);
+ ts->irq_disabled = 1;
disable_irq(spi->irq);
status = spi_sync(spi, &req->msg);
+ ts->irq_disabled = 0;
enable_irq(spi->irq);
if (req->msg.status)
@@ -233,6 +271,52 @@ SHOW(temp1)
SHOW(vaux)
SHOW(vbatt)
+static int is_pen_down(struct device *dev)
+{
+ struct ads7846 *ts = dev_get_drvdata(dev);
+
+ return ts->pendown;
+}
+
+static ssize_t ads7846_pen_down_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ return sprintf(buf, "%u\n", is_pen_down(dev));
+}
+
+static DEVICE_ATTR(pen_down, S_IRUGO, ads7846_pen_down_show, NULL);
+
+static ssize_t ads7846_disable_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct ads7846 *ts = dev_get_drvdata(dev);
+
+ return sprintf(buf, "%u\n", ts->disabled);
+}
+
+static ssize_t ads7846_disable_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct ads7846 *ts = dev_get_drvdata(dev);
+ char *endp;
+ int i;
+
+ i = simple_strtoul(buf, &endp, 10);
+ spin_lock_irq(&ts->lock);
+
+ if (i)
+ ads7846_disable(ts);
+ else
+ ads7846_enable(ts);
+
+ spin_unlock_irq(&ts->lock);
+
+ return count;
+}
+
+static DEVICE_ATTR(disable, 0664, ads7846_disable_show, ads7846_disable_store);
+
/*--------------------------------------------------------------------------*/
/*
@@ -264,7 +348,7 @@ static void ads7846_rx(void *ads)
if (x == MAX_12BIT)
x = 0;
- if (x && z1 && ts->spi->dev.power.power_state.event == PM_EVENT_ON) {
+ if (likely(x && z1 && !device_suspended(&ts->spi->dev))) {
/* compute touch pressure resistance using equation #2 */
Rt = z2;
Rt -= z1;
@@ -275,6 +359,14 @@ static void ads7846_rx(void *ads)
} else
Rt = 0;
+ /* Sample found inconsistent by debouncing or pressure is beyond
+ * the maximum. Don't report it to user space, repeat at least
+ * once more the measurement */
+ if (ts->tc.ignore || Rt > ts->pressure_max) {
+ mod_timer(&ts->timer, jiffies + TS_POLL_PERIOD);
+ return;
+ }
+
/* NOTE: "pendown" is inferred from pressure; we don't rely on
* being able to check nPENIRQ status, or "friendly" trigger modes
* (both-edges is much better than just-falling or low-level).
@@ -296,11 +388,13 @@ static void ads7846_rx(void *ads)
if (Rt) {
input_report_abs(input_dev, ABS_X, x);
input_report_abs(input_dev, ABS_Y, y);
- input_report_abs(input_dev, ABS_PRESSURE, Rt);
sync = 1;
}
- if (sync)
+
+ if (sync) {
+ input_report_abs(input_dev, ABS_PRESSURE, Rt);
input_sync(input_dev);
+ }
#ifdef VERBOSE
if (Rt || ts->pendown)
@@ -308,80 +402,138 @@ static void ads7846_rx(void *ads)
x, y, Rt, Rt ? "" : " UP");
#endif
- /* don't retrigger while we're suspended */
spin_lock_irqsave(&ts->lock, flags);
ts->pendown = (Rt != 0);
- ts->pending = 0;
+ mod_timer(&ts->timer, jiffies + TS_POLL_PERIOD);
- if (ts->spi->dev.power.power_state.event == PM_EVENT_ON) {
- if (ts->pendown)
- mod_timer(&ts->timer, jiffies + TS_POLL_PERIOD);
- else if (ts->irq_disabled) {
- ts->irq_disabled = 0;
- enable_irq(ts->spi->irq);
+ spin_unlock_irqrestore(&ts->lock, flags);
+}
+
+static void ads7846_debounce(void *ads)
+{
+ struct ads7846 *ts = ads;
+ struct spi_message *m;
+ struct spi_transfer *t;
+ int val;
+ int status;
+
+ m = &ts->msg[ts->msg_idx];
+ t = list_entry(m->transfers.prev, struct spi_transfer, transfer_list);
+ val = (*(u16 *)t->rx_buf) >> 3;
+ if (!ts->read_cnt || (abs(ts->last_read - val) > ts->debounce_tol)) {
+ /* Repeat it, if this was the first read or the read
+ * wasn't consistent enough. */
+ if (ts->read_cnt < ts->debounce_max) {
+ ts->last_read = val;
+ ts->read_cnt++;
+ } else {
+ /* Maximum number of debouncing reached and still
+ * not enough number of consistent readings. Abort
+ * the whole sample, repeat it in the next sampling
+ * period.
+ */
+ ts->tc.ignore = 1;
+ ts->read_cnt = 0;
+ /* Last message will contain ads7846_rx() as the
+ * completion function.
+ */
+ m = ts->last_msg;
}
+ /* Start over collecting consistent readings. */
+ ts->read_rep = 0;
+ } else {
+ if (++ts->read_rep > ts->debounce_rep) {
+ /* Got a good reading for this coordinate,
+ * go for the next one. */
+ ts->tc.ignore = 0;
+ ts->msg_idx++;
+ ts->read_cnt = 0;
+ ts->read_rep = 0;
+ m++;
+ } else
+ /* Read more values that are consistent. */
+ ts->read_cnt++;
}
-
- spin_unlock_irqrestore(&ts->lock, flags);
+ status = spi_async(ts->spi, m);
+ if (status)
+ dev_err(&ts->spi->dev, "spi_async --> %d\n",
+ status);
}
static void ads7846_timer(unsigned long handle)
{
struct ads7846 *ts = (void *)handle;
int status = 0;
- unsigned long flags;
+
+ spin_lock_irq(&ts->lock);
+
+ if (unlikely(ts->msg_idx && !ts->pendown)) {
+ /* measurment cycle ended */
+ if (!device_suspended(&ts->spi->dev)) {
+ ts->irq_disabled = 0;
+ enable_irq(ts->spi->irq);
+ }
+ ts->pending = 0;
+ ts->msg_idx = 0;
+ } else {
+ /* pen is still down, continue with the measurement */
+ ts->msg_idx = 0;
+ status = spi_async(ts->spi, &ts->msg[0]);
+ if (status)
+ dev_err(&ts->spi->dev, "spi_async --> %d\n", status);
+ }
+
+ spin_unlock_irq(&ts->lock);
+}
+
+static irqreturn_t ads7846_irq(int irq, void *handle, struct pt_regs *regs)
+{
+ struct ads7846 *ts = handle;
+ unsigned long flags;
spin_lock_irqsave(&ts->lock, flags);
- if (!ts->pending) {
- ts->pending = 1;
+ if (likely(ts->get_pendown_state())) {
if (!ts->irq_disabled) {
+ /* REVISIT irq logic for many ARM chips has cloned a
+ * bug wherein disabling an irq in its handler won't
+ * work;(it's disabled lazily, and too late to work.
+ * until all their irq logic is fixed, we must shadow
+ * that state here.
+ */
ts->irq_disabled = 1;
disable_irq(ts->spi->irq);
+ ts->pending = 1;
+ mod_timer(&ts->timer, jiffies);
}
- status = spi_async(ts->spi, &ts->msg);
- if (status)
- dev_err(&ts->spi->dev, "spi_async --> %d\n",
- status);
}
spin_unlock_irqrestore(&ts->lock, flags);
-}
-static irqreturn_t ads7846_irq(int irq, void *handle, struct pt_regs *regs)
-{
- ads7846_timer((unsigned long) handle);
return IRQ_HANDLED;
}
/*--------------------------------------------------------------------------*/
-static int
-ads7846_suspend(struct spi_device *spi, pm_message_t message)
+/* Must be called with ts->lock held */
+static void ads7846_disable(struct ads7846 *ts)
{
- struct ads7846 *ts = dev_get_drvdata(&spi->dev);
- unsigned long flags;
+ if (ts->disabled)
+ return;
- spin_lock_irqsave(&ts->lock, flags);
-
- spi->dev.power.power_state = message;
+ ts->disabled = 1;
/* are we waiting for IRQ, or polling? */
- if (!ts->pendown) {
- if (!ts->irq_disabled) {
- ts->irq_disabled = 1;
- disable_irq(ts->spi->irq);
- }
+ if (!ts->pending) {
+ ts->irq_disabled = 1;
+ disable_irq(ts->spi->irq);
} else {
- /* polling; force a final SPI completion;
- * that will clean things up neatly
+ /* the timer will run at least once more, and
+ * leave everything in a clean state, IRQ disabled
*/
- if (!ts->pending)
- mod_timer(&ts->timer, jiffies);
-
- while (ts->pendown || ts->pending) {
- spin_unlock_irqrestore(&ts->lock, flags);
- udelay(10);
- spin_lock_irqsave(&ts->lock, flags);
+ while (ts->pending) {
+ spin_unlock_irq(&ts->lock);
+ msleep(1);
+ spin_lock_irq(&ts->lock);
}
}
@@ -389,17 +541,45 @@ ads7846_suspend(struct spi_device *spi, pm_message_t message)
* leave it that way after every request
*/
- spin_unlock_irqrestore(&ts->lock, flags);
+}
+
+/* Must be called with ts->lock held */
+static void ads7846_enable(struct ads7846 *ts)
+{
+ if (!ts->disabled)
+ return;
+
+ ts->disabled = 0;
+ ts->irq_disabled = 0;
+ enable_irq(ts->spi->irq);
+}
+
+static int ads7846_suspend(struct spi_device *spi, pm_message_t message)
+{
+ struct ads7846 *ts = dev_get_drvdata(&spi->dev);
+
+ spin_lock_irq(&ts->lock);
+
+ spi->dev.power.power_state = message;
+ ads7846_disable(ts);
+
+ spin_unlock_irq(&ts->lock);
+
return 0;
+
}
static int ads7846_resume(struct spi_device *spi)
{
struct ads7846 *ts = dev_get_drvdata(&spi->dev);
- ts->irq_disabled = 0;
- enable_irq(ts->spi->irq);
+ spin_lock_irq(&ts->lock);
+
spi->dev.power.power_state = PMSG_ON;
+ ads7846_enable(ts);
+
+ spin_unlock_irq(&ts->lock);
+
return 0;
}
@@ -408,6 +588,7 @@ static int __devinit ads7846_probe(struct spi_device *spi)
struct ads7846 *ts;
struct input_dev *input_dev;
struct ads7846_platform_data *pdata = spi->dev.platform_data;
+ struct spi_message *m;
struct spi_transfer *x;
int err;
@@ -428,6 +609,11 @@ static int __devinit ads7846_probe(struct spi_device *spi)
return -EINVAL;
}
+ if (pdata->get_pendown_state == NULL) {
+ dev_dbg(&spi->dev, "no get_pendown_state function?\n");
+ return -EINVAL;
+ }
+
/* We'd set the wordsize to 12 bits ... except that some controllers
* will then treat the 8 bit command words as 12 bits (and drop the
* four MSBs of the 12 bit result). Result: inputs must be shifted
@@ -451,9 +637,21 @@ static int __devinit ads7846_probe(struct spi_device *spi)
ts->timer.data = (unsigned long) ts;
ts->timer.function = ads7846_timer;
+ spin_lock_init(&ts->lock);
+
ts->model = pdata->model ? : 7846;
ts->vref_delay_usecs = pdata->vref_delay_usecs ? : 100;
ts->x_plate_ohms = pdata->x_plate_ohms ? : 400;
+ ts->pressure_max = pdata->pressure_max ? : ~0;
+ if (pdata->debounce_max) {
+ ts->debounce_max = pdata->debounce_max;
+ ts->debounce_tol = pdata->debounce_tol;
+ ts->debounce_rep = pdata->debounce_rep;
+ if (ts->debounce_rep > ts->debounce_max + 1)
+ ts->debounce_rep = ts->debounce_max - 1;
+ } else
+ ts->debounce_tol = ~0;
+ ts->get_pendown_state = pdata->get_pendown_state;
snprintf(ts->phys, sizeof(ts->phys), "%s/input0", spi->dev.bus_id);
@@ -477,60 +675,100 @@ static int __devinit ads7846_probe(struct spi_device *spi)
/* set up the transfers to read touchscreen state; this assumes we
* use formula #2 for pressure, not #3.
*/
- INIT_LIST_HEAD(&ts->msg.transfers);
+ m = &ts->msg[0];
x = ts->xfer;
+ spi_message_init(m);
+
/* y- still on; turn on only y+ (and ADC) */
ts->read_y = READ_Y;
x->tx_buf = &ts->read_y;
x->len = 1;
- spi_message_add_tail(x, &ts->msg);
+ spi_message_add_tail(x, m);
x++;
x->rx_buf = &ts->tc.y;
x->len = 2;
- spi_message_add_tail(x, &ts->msg);
+ spi_message_add_tail(x, m);
+
+ m->complete = ads7846_debounce;
+ m->context = ts;
+
+ m++;
+ spi_message_init(m);
+
+ /* turn y- off, x+ on, then leave in lowpower */
+ x++;
+ ts->read_x = READ_X;
+ x->tx_buf = &ts->read_x;
+ x->len = 1;
+ spi_message_add_tail(x, m);
+
+ x++;
+ x->rx_buf = &ts->tc.x;
+ x->len = 2;
+ spi_message_add_tail(x, m);
+
+ m->complete = ads7846_debounce;
+ m->context = ts;
/* turn y+ off, x- on; we'll use formula #2 */
if (ts->model == 7846) {
+ m++;
+ spi_message_init(m);
+
x++;
ts->read_z1 = READ_Z1;
x->tx_buf = &ts->read_z1;
x->len = 1;
- spi_message_add_tail(x, &ts->msg);
+ spi_message_add_tail(x, m);
x++;
x->rx_buf = &ts->tc.z1;
x->len = 2;
- spi_message_add_tail(x, &ts->msg);
+ spi_message_add_tail(x, m);
+
+ m->complete = ads7846_debounce;
+ m->context = ts;
+
+ m++;
+ spi_message_init(m);
x++;
ts->read_z2 = READ_Z2;
x->tx_buf = &ts->read_z2;
x->len = 1;
- spi_message_add_tail(x, &ts->msg);
+ spi_message_add_tail(x, m);
x++;
x->rx_buf = &ts->tc.z2;
x->len = 2;
- spi_message_add_tail(x, &ts->msg);
+ spi_message_add_tail(x, m);
+
+ m->complete = ads7846_debounce;
+ m->context = ts;
}
- /* turn y- off, x+ on, then leave in lowpower */
+ /* power down */
+ m++;
+ spi_message_init(m);
+
x++;
- ts->read_x = READ_X;
- x->tx_buf = &ts->read_x;
+ ts->pwrdown = PWRDOWN;
+ x->tx_buf = &ts->pwrdown;
x->len = 1;
- spi_message_add_tail(x, &ts->msg);
+ spi_message_add_tail(x, m);
x++;
- x->rx_buf = &ts->tc.x;
+ x->rx_buf = &ts->dummy;
x->len = 2;
CS_CHANGE(*x);
- spi_message_add_tail(x, &ts->msg);
+ spi_message_add_tail(x, m);
- ts->msg.complete = ads7846_rx;
- ts->msg.context = ts;
+ m->complete = ads7846_rx;
+ m->context = ts;
+
+ ts->last_msg = m;
if (request_irq(spi->irq, ads7846_irq,
SA_SAMPLE_RANDOM | SA_TRIGGER_FALLING,
@@ -559,13 +797,27 @@ static int __devinit ads7846_probe(struct spi_device *spi)
device_create_file(&spi->dev, &dev_attr_vbatt);
device_create_file(&spi->dev, &dev_attr_vaux);
+ device_create_file(&spi->dev, &dev_attr_pen_down);
+
+ device_create_file(&spi->dev, &dev_attr_disable);
+
err = input_register_device(input_dev);
if (err)
- goto err_free_irq;
+ goto err_remove_attr;
return 0;
- err_free_irq:
+ err_remove_attr:
+ device_remove_file(&spi->dev, &dev_attr_disable);
+ device_remove_file(&spi->dev, &dev_attr_pen_down);
+ if (ts->model == 7846) {
+ device_remove_file(&spi->dev, &dev_attr_temp1);
+ device_remove_file(&spi->dev, &dev_attr_temp0);
+ }
+ if (ts->model != 7845)
+ device_remove_file(&spi->dev, &dev_attr_vbatt);
+ device_remove_file(&spi->dev, &dev_attr_vaux);
+
free_irq(spi->irq, ts);
err_free_mem:
input_free_device(input_dev);
@@ -577,20 +829,24 @@ static int __devexit ads7846_remove(struct spi_device *spi)
{
struct ads7846 *ts = dev_get_drvdata(&spi->dev);
+ input_unregister_device(ts->input);
+
ads7846_suspend(spi, PMSG_SUSPEND);
- free_irq(ts->spi->irq, ts);
- if (ts->irq_disabled)
- enable_irq(ts->spi->irq);
+ device_remove_file(&spi->dev, &dev_attr_disable);
+ device_remove_file(&spi->dev, &dev_attr_pen_down);
if (ts->model == 7846) {
- device_remove_file(&spi->dev, &dev_attr_temp0);
device_remove_file(&spi->dev, &dev_attr_temp1);
+ device_remove_file(&spi->dev, &dev_attr_temp0);
}
if (ts->model != 7845)
device_remove_file(&spi->dev, &dev_attr_vbatt);
device_remove_file(&spi->dev, &dev_attr_vaux);
- input_unregister_device(ts->input);
+ free_irq(ts->spi->irq, ts);
+ /* suspend left the IRQ disabled */
+ enable_irq(ts->spi->irq);
+
kfree(ts);
dev_dbg(&spi->dev, "unregistered touchscreen\n");
diff --git a/drivers/input/touchscreen/corgi_ts.c b/drivers/input/touchscreen/corgi_ts.c
index 1042987..5013703 100644
--- a/drivers/input/touchscreen/corgi_ts.c
+++ b/drivers/input/touchscreen/corgi_ts.c
@@ -17,7 +17,7 @@
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/slab.h>
-#include <asm/irq.h>
+//#include <asm/irq.h>
#include <asm/arch/sharpsl.h>
#include <asm/arch/hardware.h>
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 6081941..4070eff 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -315,10 +315,11 @@ static int raid1_end_write_request(struct bio *bio, unsigned int bytes_done, int
if (r1_bio->bios[mirror] == bio)
break;
- if (error == -ENOTSUPP && test_bit(R1BIO_Barrier, &r1_bio->state)) {
+ if (error == -EOPNOTSUPP && test_bit(R1BIO_Barrier, &r1_bio->state)) {
set_bit(BarriersNotsupp, &conf->mirrors[mirror].rdev->flags);
set_bit(R1BIO_BarrierRetry, &r1_bio->state);
r1_bio->mddev->barriers_work = 0;
+ /* Don't rdev_dec_pending in this branch - keep it for the retry */
} else {
/*
* this branch is our 'one mirror IO has finished' event handler:
@@ -365,6 +366,7 @@ static int raid1_end_write_request(struct bio *bio, unsigned int bytes_done, int
}
}
}
+ rdev_dec_pending(conf->mirrors[mirror].rdev, conf->mddev);
}
/*
*
@@ -374,11 +376,9 @@ static int raid1_end_write_request(struct bio *bio, unsigned int bytes_done, int
if (atomic_dec_and_test(&r1_bio->remaining)) {
if (test_bit(R1BIO_BarrierRetry, &r1_bio->state)) {
reschedule_retry(r1_bio);
- /* Don't dec_pending yet, we want to hold
- * the reference over the retry
- */
goto out;
}
+ /* it really is the end of this request */
if (test_bit(R1BIO_BehindIO, &r1_bio->state)) {
/* free extra copy of the data pages */
int i = bio->bi_vcnt;
@@ -393,8 +393,6 @@ static int raid1_end_write_request(struct bio *bio, unsigned int bytes_done, int
md_write_end(r1_bio->mddev);
raid_end_bio_io(r1_bio);
}
-
- rdev_dec_pending(conf->mirrors[mirror].rdev, conf->mddev);
out:
if (to_put)
bio_put(to_put);
@@ -753,18 +751,24 @@ static int make_request(request_queue_t *q, struct bio * bio)
const int rw = bio_data_dir(bio);
int do_barriers;
- if (unlikely(!mddev->barriers_work && bio_barrier(bio))) {
- bio_endio(bio, bio->bi_size, -EOPNOTSUPP);
- return 0;
- }
-
/*
* Register the new request and wait if the reconstruction
* thread has put up a bar for new requests.
* Continue immediately if no resync is active currently.
+ * We test barriers_work *after* md_write_start as md_write_start
+ * may cause the first superblock write, and that will check out
+ * if barriers work.
*/
+
md_write_start(mddev, bio); /* wait on superblock update early */
+ if (unlikely(!mddev->barriers_work && bio_barrier(bio))) {
+ if (rw == WRITE)
+ md_write_end(mddev);
+ bio_endio(bio, bio->bi_size, -EOPNOTSUPP);
+ return 0;
+ }
+
wait_barrier(conf);
disk_stat_inc(mddev->gendisk, ios[rw]);
@@ -1404,10 +1408,11 @@ static void raid1d(mddev_t *mddev)
unplug = 1;
} else if (test_bit(R1BIO_BarrierRetry, &r1_bio->state)) {
/* some requests in the r1bio were BIO_RW_BARRIER
- * requests which failed with -ENOTSUPP. Hohumm..
+ * requests which failed with -EOPNOTSUPP. Hohumm..
* Better resubmit without the barrier.
* We know which devices to resubmit for, because
* all others have had their bios[] entry cleared.
+ * We already have a nr_pending reference on these rdevs.
*/
int i;
clear_bit(R1BIO_BarrierRetry, &r1_bio->state);
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 617012b..1440935 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1407,43 +1407,54 @@ static void raid10d(mddev_t *mddev)
if (s > (PAGE_SIZE>>9))
s = PAGE_SIZE >> 9;
+ rcu_read_lock();
do {
int d = r10_bio->devs[sl].devnum;
- rdev = conf->mirrors[d].rdev;
+ rdev = rcu_dereference(conf->mirrors[d].rdev);
if (rdev &&
- test_bit(In_sync, &rdev->flags) &&
- sync_page_io(rdev->bdev,
- r10_bio->devs[sl].addr +
- sect + rdev->data_offset,
- s<<9,
- conf->tmppage, READ))
- success = 1;
- else {
- sl++;
- if (sl == conf->copies)
- sl = 0;
+ test_bit(In_sync, &rdev->flags)) {
+ atomic_inc(&rdev->nr_pending);
+ rcu_read_unlock();
+ success = sync_page_io(rdev->bdev,
+ r10_bio->devs[sl].addr +
+ sect + rdev->data_offset,
+ s<<9,
+ conf->tmppage, READ);
+ rdev_dec_pending(rdev, mddev);
+ rcu_read_lock();
+ if (success)
+ break;
}
+ sl++;
+ if (sl == conf->copies)
+ sl = 0;
} while (!success && sl != r10_bio->read_slot);
+ rcu_read_unlock();
if (success) {
int start = sl;
/* write it back and re-read */
+ rcu_read_lock();
while (sl != r10_bio->read_slot) {
int d;
if (sl==0)
sl = conf->copies;
sl--;
d = r10_bio->devs[sl].devnum;
- rdev = conf->mirrors[d].rdev;
- atomic_add(s, &rdev->corrected_errors);
+ rdev = rcu_dereference(conf->mirrors[d].rdev);
if (rdev &&
test_bit(In_sync, &rdev->flags)) {
+ atomic_inc(&rdev->nr_pending);
+ rcu_read_unlock();
+ atomic_add(s, &rdev->corrected_errors);
if (sync_page_io(rdev->bdev,
r10_bio->devs[sl].addr +
sect + rdev->data_offset,
s<<9, conf->tmppage, WRITE) == 0)
/* Well, this device is dead */
md_error(mddev, rdev);
+ rdev_dec_pending(rdev, mddev);
+ rcu_read_lock();
}
}
sl = start;
@@ -1453,17 +1464,22 @@ static void raid10d(mddev_t *mddev)
sl = conf->copies;
sl--;
d = r10_bio->devs[sl].devnum;
- rdev = conf->mirrors[d].rdev;
+ rdev = rcu_dereference(conf->mirrors[d].rdev);
if (rdev &&
test_bit(In_sync, &rdev->flags)) {
+ atomic_inc(&rdev->nr_pending);
+ rcu_read_unlock();
if (sync_page_io(rdev->bdev,
r10_bio->devs[sl].addr +
sect + rdev->data_offset,
s<<9, conf->tmppage, READ) == 0)
/* Well, this device is dead */
md_error(mddev, rdev);
+ rdev_dec_pending(rdev, mddev);
+ rcu_read_lock();
}
}
+ rcu_read_unlock();
} else {
/* Cannot read from anywhere -- bye bye array */
md_error(mddev, conf->mirrors[r10_bio->devs[r10_bio->read_slot].devnum].rdev);
diff --git a/drivers/media/video/cx88/cx88-alsa.c b/drivers/media/video/cx88/cx88-alsa.c
index f9d87b8..320b3d9 100644
--- a/drivers/media/video/cx88/cx88-alsa.c
+++ b/drivers/media/video/cx88/cx88-alsa.c
@@ -616,7 +616,7 @@ static struct snd_kcontrol_new snd_cx88_capture_volume = {
* Only boards with eeprom and byte 1 at eeprom=1 have it
*/
-static struct pci_device_id cx88_audio_pci_tbl[] = {
+static struct pci_device_id cx88_audio_pci_tbl[] __devinitdata = {
{0x14f1,0x8801,PCI_ANY_ID,PCI_ANY_ID,0,0,0},
{0x14f1,0x8811,PCI_ANY_ID,PCI_ANY_ID,0,0,0},
{0, }
diff --git a/drivers/mmc/at91_mci.c b/drivers/mmc/at91_mci.c
index 6061c2d..88f0eef 100644
--- a/drivers/mmc/at91_mci.c
+++ b/drivers/mmc/at91_mci.c
@@ -621,9 +621,6 @@ static void at91_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
struct at91mci_host *host = mmc_priv(mmc);
unsigned long at91_master_clock = clk_get_rate(mci_clk);
- DBG("Clock %uHz, busmode %u, powermode %u, Vdd %u\n",
- ios->clock, ios->bus_mode, ios->power_mode, ios->vdd);
-
if (host)
host->bus_mode = ios->bus_mode;
else
diff --git a/drivers/mmc/au1xmmc.c b/drivers/mmc/au1xmmc.c
index c0326bb..914d62b 100644
--- a/drivers/mmc/au1xmmc.c
+++ b/drivers/mmc/au1xmmc.c
@@ -720,10 +720,6 @@ static void au1xmmc_set_ios(struct mmc_host* mmc, struct mmc_ios* ios)
{
struct au1xmmc_host *host = mmc_priv(mmc);
- DBG("set_ios (power=%u, clock=%uHz, vdd=%u, mode=%u)\n",
- host->id, ios->power_mode, ios->clock, ios->vdd,
- ios->bus_mode);
-
if (ios->power_mode == MMC_POWER_OFF)
au1xmmc_set_power(host, 0);
else if (ios->power_mode == MMC_POWER_ON) {
diff --git a/drivers/mmc/imxmmc.c b/drivers/mmc/imxmmc.c
index ffb7f55..79358e22 100644
--- a/drivers/mmc/imxmmc.c
+++ b/drivers/mmc/imxmmc.c
@@ -102,6 +102,7 @@ struct imxmci_host {
#define IMXMCI_PEND_CPU_DATA_b 5
#define IMXMCI_PEND_CARD_XCHG_b 6
#define IMXMCI_PEND_SET_INIT_b 7
+#define IMXMCI_PEND_STARTED_b 8
#define IMXMCI_PEND_IRQ_m (1 << IMXMCI_PEND_IRQ_b)
#define IMXMCI_PEND_DMA_END_m (1 << IMXMCI_PEND_DMA_END_b)
@@ -111,6 +112,7 @@ struct imxmci_host {
#define IMXMCI_PEND_CPU_DATA_m (1 << IMXMCI_PEND_CPU_DATA_b)
#define IMXMCI_PEND_CARD_XCHG_m (1 << IMXMCI_PEND_CARD_XCHG_b)
#define IMXMCI_PEND_SET_INIT_m (1 << IMXMCI_PEND_SET_INIT_b)
+#define IMXMCI_PEND_STARTED_m (1 << IMXMCI_PEND_STARTED_b)
static void imxmci_stop_clock(struct imxmci_host *host)
{
@@ -131,23 +133,52 @@ static void imxmci_stop_clock(struct imxmci_host *host)
dev_dbg(mmc_dev(host->mmc), "imxmci_stop_clock blocked, no luck\n");
}
-static void imxmci_start_clock(struct imxmci_host *host)
+static int imxmci_start_clock(struct imxmci_host *host)
{
- int i = 0;
+ unsigned int trials = 0;
+ unsigned int delay_limit = 128;
+ unsigned long flags;
+
MMC_STR_STP_CLK &= ~STR_STP_CLK_STOP_CLK;
- while(i < 0x1000) {
- if(!(i & 0x7f))
- MMC_STR_STP_CLK |= STR_STP_CLK_START_CLK;
- if(MMC_STATUS & STATUS_CARD_BUS_CLK_RUN) {
- /* Check twice before cut */
+ clear_bit(IMXMCI_PEND_STARTED_b, &host->pending_events);
+
+ /*
+ * Command start of the clock, this usually succeeds in less
+ * then 6 delay loops, but during card detection (low clockrate)
+ * it takes up to 5000 delay loops and sometimes fails for the first time
+ */
+ MMC_STR_STP_CLK |= STR_STP_CLK_START_CLK;
+
+ do {
+ unsigned int delay = delay_limit;
+
+ while(delay--){
if(MMC_STATUS & STATUS_CARD_BUS_CLK_RUN)
- return;
+ /* Check twice before cut */
+ if(MMC_STATUS & STATUS_CARD_BUS_CLK_RUN)
+ return 0;
+
+ if(test_bit(IMXMCI_PEND_STARTED_b, &host->pending_events))
+ return 0;
}
- i++;
- }
- dev_dbg(mmc_dev(host->mmc), "imxmci_start_clock blocked, no luck\n");
+ local_irq_save(flags);
+ /*
+ * Ensure, that request is not doubled under all possible circumstances.
+ * It is possible, that cock running state is missed, because some other
+ * IRQ or schedule delays this function execution and the clocks has
+ * been already stopped by other means (response processing, SDHC HW)
+ */
+ if(!test_bit(IMXMCI_PEND_STARTED_b, &host->pending_events))
+ MMC_STR_STP_CLK |= STR_STP_CLK_START_CLK;
+ local_irq_restore(flags);
+
+ } while(++trials<256);
+
+ dev_err(mmc_dev(host->mmc), "imxmci_start_clock blocked, no luck\n");
+
+ return -1;
}
static void imxmci_softreset(void)
@@ -498,7 +529,7 @@ static int imxmci_data_done(struct imxmci_host *host, unsigned int stat)
data_error = imxmci_finish_data(host, stat);
- if (host->req->stop && (data_error == MMC_ERR_NONE)) {
+ if (host->req->stop) {
imxmci_stop_clock(host);
imxmci_start_cmd(host, host->req->stop, 0);
} else {
@@ -622,6 +653,7 @@ static irqreturn_t imxmci_irq(int irq, void *devid, struct pt_regs *regs)
atomic_set(&host->stuck_timeout, 0);
host->status_reg = stat;
set_bit(IMXMCI_PEND_IRQ_b, &host->pending_events);
+ set_bit(IMXMCI_PEND_STARTED_b, &host->pending_events);
tasklet_schedule(&host->tasklet);
return IRQ_RETVAL(handled);;
@@ -775,10 +807,6 @@ static void imxmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
struct imxmci_host *host = mmc_priv(mmc);
int prescaler;
- dev_dbg(mmc_dev(host->mmc), "clock %u power %u vdd %u width %u\n",
- ios->clock, ios->power_mode, ios->vdd,
- (ios->bus_width==MMC_BUS_WIDTH_4)?4:1);
-
if( ios->bus_width==MMC_BUS_WIDTH_4 ) {
host->actual_bus_width = MMC_BUS_WIDTH_4;
imx_gpio_mode(PB11_PF_SD_DAT3);
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index da6ddd9..1ca2c8b 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -59,21 +59,23 @@ static const unsigned int tacc_mant[] = {
/**
- * mmc_request_done - finish processing an MMC command
- * @host: MMC host which completed command
- * @mrq: MMC request which completed
+ * mmc_request_done - finish processing an MMC request
+ * @host: MMC host which completed request
+ * @mrq: MMC request which request
*
* MMC drivers should call this function when they have completed
- * their processing of a command. This should be called before the
- * data part of the command has completed.
+ * their processing of a request.
*/
void mmc_request_done(struct mmc_host *host, struct mmc_request *mrq)
{
struct mmc_command *cmd = mrq->cmd;
- int err = mrq->cmd->error;
- pr_debug("MMC: req done (%02x): %d: %08x %08x %08x %08x\n",
- cmd->opcode, err, cmd->resp[0], cmd->resp[1],
- cmd->resp[2], cmd->resp[3]);
+ int err = cmd->error;
+
+ pr_debug("%s: req done (CMD%u): %d/%d/%d: %08x %08x %08x %08x\n",
+ mmc_hostname(host), cmd->opcode, err,
+ mrq->data ? mrq->data->error : 0,
+ mrq->stop ? mrq->stop->error : 0,
+ cmd->resp[0], cmd->resp[1], cmd->resp[2], cmd->resp[3]);
if (err && cmd->retries) {
cmd->retries--;
@@ -97,8 +99,9 @@ EXPORT_SYMBOL(mmc_request_done);
void
mmc_start_request(struct mmc_host *host, struct mmc_request *mrq)
{
- pr_debug("MMC: starting cmd %02x arg %08x flags %08x\n",
- mrq->cmd->opcode, mrq->cmd->arg, mrq->cmd->flags);
+ pr_debug("%s: starting CMD%u arg %08x flags %08x\n",
+ mmc_hostname(host), mrq->cmd->opcode,
+ mrq->cmd->arg, mrq->cmd->flags);
WARN_ON(host->card_busy == NULL);
@@ -312,6 +315,18 @@ void mmc_release_host(struct mmc_host *host)
EXPORT_SYMBOL(mmc_release_host);
+static inline void mmc_set_ios(struct mmc_host *host)
+{
+ struct mmc_ios *ios = &host->ios;
+
+ pr_debug("%s: clock %uHz busmode %u powermode %u cs %u Vdd %u width %u\n",
+ mmc_hostname(host), ios->clock, ios->bus_mode,
+ ios->power_mode, ios->chip_select, ios->vdd,
+ ios->bus_width);
+
+ host->ops->set_ios(host, ios);
+}
+
static int mmc_select_card(struct mmc_host *host, struct mmc_card *card)
{
int err;
@@ -364,7 +379,7 @@ static int mmc_select_card(struct mmc_host *host, struct mmc_card *card)
}
}
- host->ops->set_ios(host, &host->ios);
+ mmc_set_ios(host);
return MMC_ERR_NONE;
}
@@ -415,7 +430,7 @@ static u32 mmc_select_voltage(struct mmc_host *host, u32 ocr)
ocr = 3 << bit;
host->ios.vdd = bit;
- host->ops->set_ios(host, &host->ios);
+ mmc_set_ios(host);
} else {
ocr = 0;
}
@@ -549,6 +564,7 @@ static void mmc_decode_csd(struct mmc_card *card)
csd->read_partial = UNSTUFF_BITS(resp, 79, 1);
csd->write_misalign = UNSTUFF_BITS(resp, 78, 1);
csd->read_misalign = UNSTUFF_BITS(resp, 77, 1);
+ csd->r2w_factor = UNSTUFF_BITS(resp, 26, 3);
csd->write_blkbits = UNSTUFF_BITS(resp, 22, 4);
csd->write_partial = UNSTUFF_BITS(resp, 21, 1);
} else {
@@ -583,6 +599,7 @@ static void mmc_decode_csd(struct mmc_card *card)
csd->read_partial = UNSTUFF_BITS(resp, 79, 1);
csd->write_misalign = UNSTUFF_BITS(resp, 78, 1);
csd->read_misalign = UNSTUFF_BITS(resp, 77, 1);
+ csd->r2w_factor = UNSTUFF_BITS(resp, 26, 3);
csd->write_blkbits = UNSTUFF_BITS(resp, 22, 4);
csd->write_partial = UNSTUFF_BITS(resp, 21, 1);
}
@@ -666,7 +683,7 @@ static void mmc_idle_cards(struct mmc_host *host)
struct mmc_command cmd;
host->ios.chip_select = MMC_CS_HIGH;
- host->ops->set_ios(host, &host->ios);
+ mmc_set_ios(host);
mmc_delay(1);
@@ -679,7 +696,7 @@ static void mmc_idle_cards(struct mmc_host *host)
mmc_delay(1);
host->ios.chip_select = MMC_CS_DONTCARE;
- host->ops->set_ios(host, &host->ios);
+ mmc_set_ios(host);
mmc_delay(1);
}
@@ -704,13 +721,13 @@ static void mmc_power_up(struct mmc_host *host)
host->ios.chip_select = MMC_CS_DONTCARE;
host->ios.power_mode = MMC_POWER_UP;
host->ios.bus_width = MMC_BUS_WIDTH_1;
- host->ops->set_ios(host, &host->ios);
+ mmc_set_ios(host);
mmc_delay(1);
host->ios.clock = host->f_min;
host->ios.power_mode = MMC_POWER_ON;
- host->ops->set_ios(host, &host->ios);
+ mmc_set_ios(host);
mmc_delay(2);
}
@@ -723,7 +740,7 @@ static void mmc_power_off(struct mmc_host *host)
host->ios.chip_select = MMC_CS_DONTCARE;
host->ios.power_mode = MMC_POWER_OFF;
host->ios.bus_width = MMC_BUS_WIDTH_1;
- host->ops->set_ios(host, &host->ios);
+ mmc_set_ios(host);
}
static int mmc_send_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr)
@@ -971,7 +988,8 @@ static unsigned int mmc_calculate_clock(struct mmc_host *host)
if (!mmc_card_dead(card) && max_dtr > card->csd.max_dtr)
max_dtr = card->csd.max_dtr;
- pr_debug("MMC: selected %d.%03dMHz transfer rate\n",
+ pr_debug("%s: selected %d.%03dMHz transfer rate\n",
+ mmc_hostname(host),
max_dtr / 1000000, (max_dtr / 1000) % 1000);
return max_dtr;
@@ -1046,7 +1064,7 @@ static void mmc_setup(struct mmc_host *host)
} else {
host->ios.bus_mode = MMC_BUSMODE_OPENDRAIN;
host->ios.clock = host->f_min;
- host->ops->set_ios(host, &host->ios);
+ mmc_set_ios(host);
/*
* We should remember the OCR mask from the existing
@@ -1082,7 +1100,7 @@ static void mmc_setup(struct mmc_host *host)
* Ok, now switch to push-pull mode.
*/
host->ios.bus_mode = MMC_BUSMODE_PUSHPULL;
- host->ops->set_ios(host, &host->ios);
+ mmc_set_ios(host);
mmc_read_csds(host);
@@ -1128,7 +1146,7 @@ static void mmc_rescan(void *data)
* attached cards and the host support.
*/
host->ios.clock = mmc_calculate_clock(host);
- host->ops->set_ios(host, &host->ios);
+ mmc_set_ios(host);
}
mmc_release_host(host);
diff --git a/drivers/mmc/mmc_block.c b/drivers/mmc/mmc_block.c
index 8eb2a2e..06bd1f4 100644
--- a/drivers/mmc/mmc_block.c
+++ b/drivers/mmc/mmc_block.c
@@ -187,6 +187,12 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
brq.cmd.opcode = MMC_WRITE_BLOCK;
brq.data.flags |= MMC_DATA_WRITE;
brq.data.blocks = 1;
+
+ /*
+ * Scale up the timeout by the r2w factor
+ */
+ brq.data.timeout_ns <<= card->csd.r2w_factor;
+ brq.data.timeout_clks <<= card->csd.r2w_factor;
}
if (brq.data.blocks > 1) {
diff --git a/drivers/mmc/mmci.c b/drivers/mmc/mmci.c
index df7e861e..da8e4d7 100644
--- a/drivers/mmc/mmci.c
+++ b/drivers/mmc/mmci.c
@@ -402,9 +402,6 @@ static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
struct mmci_host *host = mmc_priv(mmc);
u32 clk = 0, pwr = 0;
- DBG(host, "clock %uHz busmode %u powermode %u Vdd %u\n",
- ios->clock, ios->bus_mode, ios->power_mode, ios->vdd);
-
if (ios->clock) {
if (ios->clock >= host->mclk) {
clk = MCI_CLK_BYPASS;
diff --git a/drivers/mmc/pxamci.c b/drivers/mmc/pxamci.c
index eb42cb3..f97b472 100644
--- a/drivers/mmc/pxamci.c
+++ b/drivers/mmc/pxamci.c
@@ -198,7 +198,6 @@ static void pxamci_start_cmd(struct pxamci_host *host, struct mmc_command *cmd,
static void pxamci_finish_request(struct pxamci_host *host, struct mmc_request *mrq)
{
- pr_debug("PXAMCI: request done\n");
host->mrq = NULL;
host->cmd = NULL;
host->data = NULL;
@@ -291,7 +290,7 @@ static int pxamci_data_done(struct pxamci_host *host, unsigned int stat)
pxamci_disable_irq(host, DATA_TRAN_DONE);
host->data = NULL;
- if (host->mrq->stop && data->error == MMC_ERR_NONE) {
+ if (host->mrq->stop) {
pxamci_stop_clock(host);
pxamci_start_cmd(host, host->mrq->stop, 0);
} else {
@@ -309,12 +308,10 @@ static irqreturn_t pxamci_irq(int irq, void *devid, struct pt_regs *regs)
ireg = readl(host->base + MMC_I_REG);
- pr_debug("PXAMCI: irq %08x\n", ireg);
-
if (ireg) {
unsigned stat = readl(host->base + MMC_STAT);
- pr_debug("PXAMCI: stat %08x\n", stat);
+ pr_debug("PXAMCI: irq %08x stat %08x\n", ireg, stat);
if (ireg & END_CMD_RES)
handled |= pxamci_cmd_done(host, stat);
@@ -368,10 +365,6 @@ static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
{
struct pxamci_host *host = mmc_priv(mmc);
- pr_debug("pxamci_set_ios: clock %u power %u vdd %u.%02u\n",
- ios->clock, ios->power_mode, ios->vdd / 100,
- ios->vdd % 100);
-
if (ios->clock) {
unsigned int clk = CLOCKRATE / ios->clock;
if (CLOCKRATE / clk > ios->clock)
@@ -397,7 +390,7 @@ static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
host->cmdat |= CMDAT_INIT;
}
- pr_debug("pxamci_set_ios: clkrt = %x cmdat = %x\n",
+ pr_debug("PXAMCI: clkrt = %x cmdat = %x\n",
host->clkrt, host->cmdat);
}
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index bdbfca0..b005328 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -570,10 +570,6 @@ static void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
spin_lock_irqsave(&host->lock, flags);
- DBG("clock %uHz busmode %u powermode %u cs %u Vdd %u width %u\n",
- ios->clock, ios->bus_mode, ios->power_mode, ios->chip_select,
- ios->vdd, ios->bus_width);
-
/*
* Reset the chip on each power off.
* Should clear out any weird states.
diff --git a/drivers/mmc/wbsd.c b/drivers/mmc/wbsd.c
index 511f7b0..39b3d97 100644
--- a/drivers/mmc/wbsd.c
+++ b/drivers/mmc/wbsd.c
@@ -931,10 +931,6 @@ static void wbsd_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
struct wbsd_host *host = mmc_priv(mmc);
u8 clk, setup, pwr;
- DBGF("clock %uHz busmode %u powermode %u cs %u Vdd %u width %u\n",
- ios->clock, ios->bus_mode, ios->power_mode, ios->chip_select,
- ios->vdd, ios->bus_width);
-
spin_lock_bh(&host->lock);
/*
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 9788b1e..f7235c9 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -106,6 +106,7 @@
* 0.51: 20 Jan 2006: Add 64bit consistent memory allocation for rings.
* 0.52: 20 Jan 2006: Add MSI/MSIX support.
* 0.53: 19 Mar 2006: Fix init from low power mode and add hw reset.
+ * 0.54: 21 Mar 2006: Fix spin locks for multi irqs and cleanup.
*
* Known bugs:
* We suspect that on some hardware no TX done interrupts are generated.
@@ -117,7 +118,7 @@
* DEV_NEED_TIMERIRQ will not harm you on sane hardware, only generating a few
* superfluous timer interrupts from the nic.
*/
-#define FORCEDETH_VERSION "0.53"
+#define FORCEDETH_VERSION "0.54"
#define DRV_NAME "forcedeth"
#include <linux/module.h>
@@ -710,6 +711,72 @@ static void setup_hw_rings(struct net_device *dev, int rxtx_flags)
}
}
+static int using_multi_irqs(struct net_device *dev)
+{
+ struct fe_priv *np = get_nvpriv(dev);
+
+ if (!(np->msi_flags & NV_MSI_X_ENABLED) ||
+ ((np->msi_flags & NV_MSI_X_ENABLED) &&
+ ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1)))
+ return 0;
+ else
+ return 1;
+}
+
+static void nv_enable_irq(struct net_device *dev)
+{
+ struct fe_priv *np = get_nvpriv(dev);
+
+ if (!using_multi_irqs(dev)) {
+ if (np->msi_flags & NV_MSI_X_ENABLED)
+ enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
+ else
+ enable_irq(dev->irq);
+ } else {
+ enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
+ enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector);
+ enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector);
+ }
+}
+
+static void nv_disable_irq(struct net_device *dev)
+{
+ struct fe_priv *np = get_nvpriv(dev);
+
+ if (!using_multi_irqs(dev)) {
+ if (np->msi_flags & NV_MSI_X_ENABLED)
+ disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
+ else
+ disable_irq(dev->irq);
+ } else {
+ disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
+ disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector);
+ disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector);
+ }
+}
+
+/* In MSIX mode, a write to irqmask behaves as XOR */
+static void nv_enable_hw_interrupts(struct net_device *dev, u32 mask)
+{
+ u8 __iomem *base = get_hwbase(dev);
+
+ writel(mask, base + NvRegIrqMask);
+}
+
+static void nv_disable_hw_interrupts(struct net_device *dev, u32 mask)
+{
+ struct fe_priv *np = get_nvpriv(dev);
+ u8 __iomem *base = get_hwbase(dev);
+
+ if (np->msi_flags & NV_MSI_X_ENABLED) {
+ writel(mask, base + NvRegIrqMask);
+ } else {
+ if (np->msi_flags & NV_MSI_ENABLED)
+ writel(0, base + NvRegMSIIrqMask);
+ writel(0, base + NvRegIrqMask);
+ }
+}
+
#define MII_READ (-1)
/* mii_rw: read/write a register on the PHY.
*
@@ -1019,24 +1086,25 @@ static void nv_do_rx_refill(unsigned long data)
struct net_device *dev = (struct net_device *) data;
struct fe_priv *np = netdev_priv(dev);
-
- if (!(np->msi_flags & NV_MSI_X_ENABLED) ||
- ((np->msi_flags & NV_MSI_X_ENABLED) &&
- ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) {
- disable_irq(dev->irq);
+ if (!using_multi_irqs(dev)) {
+ if (np->msi_flags & NV_MSI_X_ENABLED)
+ disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
+ else
+ disable_irq(dev->irq);
} else {
disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
}
if (nv_alloc_rx(dev)) {
- spin_lock(&np->lock);
+ spin_lock_irq(&np->lock);
if (!np->in_shutdown)
mod_timer(&np->oom_kick, jiffies + OOM_REFILL);
- spin_unlock(&np->lock);
+ spin_unlock_irq(&np->lock);
}
- if (!(np->msi_flags & NV_MSI_X_ENABLED) ||
- ((np->msi_flags & NV_MSI_X_ENABLED) &&
- ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) {
- enable_irq(dev->irq);
+ if (!using_multi_irqs(dev)) {
+ if (np->msi_flags & NV_MSI_X_ENABLED)
+ enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
+ else
+ enable_irq(dev->irq);
} else {
enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
}
@@ -1668,15 +1736,7 @@ static int nv_change_mtu(struct net_device *dev, int new_mtu)
* guessed, there is probably a simpler approach.
* Changing the MTU is a rare event, it shouldn't matter.
*/
- if (!(np->msi_flags & NV_MSI_X_ENABLED) ||
- ((np->msi_flags & NV_MSI_X_ENABLED) &&
- ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) {
- disable_irq(dev->irq);
- } else {
- disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
- disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector);
- disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector);
- }
+ nv_disable_irq(dev);
spin_lock_bh(&dev->xmit_lock);
spin_lock(&np->lock);
/* stop engines */
@@ -1709,15 +1769,7 @@ static int nv_change_mtu(struct net_device *dev, int new_mtu)
nv_start_tx(dev);
spin_unlock(&np->lock);
spin_unlock_bh(&dev->xmit_lock);
- if (!(np->msi_flags & NV_MSI_X_ENABLED) ||
- ((np->msi_flags & NV_MSI_X_ENABLED) &&
- ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) {
- enable_irq(dev->irq);
- } else {
- enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
- enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector);
- enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector);
- }
+ nv_enable_irq(dev);
}
return 0;
}
@@ -2108,16 +2160,16 @@ static irqreturn_t nv_nic_irq_tx(int foo, void *data, struct pt_regs *regs)
if (!(events & np->irqmask))
break;
- spin_lock(&np->lock);
+ spin_lock_irq(&np->lock);
nv_tx_done(dev);
- spin_unlock(&np->lock);
+ spin_unlock_irq(&np->lock);
if (events & (NVREG_IRQ_TX_ERR)) {
dprintk(KERN_DEBUG "%s: received irq with events 0x%x. Probably TX fail.\n",
dev->name, events);
}
if (i > max_interrupt_work) {
- spin_lock(&np->lock);
+ spin_lock_irq(&np->lock);
/* disable interrupts on the nic */
writel(NVREG_IRQ_TX_ALL, base + NvRegIrqMask);
pci_push(base);
@@ -2127,7 +2179,7 @@ static irqreturn_t nv_nic_irq_tx(int foo, void *data, struct pt_regs *regs)
mod_timer(&np->nic_poll, jiffies + POLL_WAIT);
}
printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq_tx.\n", dev->name, i);
- spin_unlock(&np->lock);
+ spin_unlock_irq(&np->lock);
break;
}
@@ -2157,14 +2209,14 @@ static irqreturn_t nv_nic_irq_rx(int foo, void *data, struct pt_regs *regs)
nv_rx_process(dev);
if (nv_alloc_rx(dev)) {
- spin_lock(&np->lock);
+ spin_lock_irq(&np->lock);
if (!np->in_shutdown)
mod_timer(&np->oom_kick, jiffies + OOM_REFILL);
- spin_unlock(&np->lock);
+ spin_unlock_irq(&np->lock);
}
if (i > max_interrupt_work) {
- spin_lock(&np->lock);
+ spin_lock_irq(&np->lock);
/* disable interrupts on the nic */
writel(NVREG_IRQ_RX_ALL, base + NvRegIrqMask);
pci_push(base);
@@ -2174,7 +2226,7 @@ static irqreturn_t nv_nic_irq_rx(int foo, void *data, struct pt_regs *regs)
mod_timer(&np->nic_poll, jiffies + POLL_WAIT);
}
printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq_rx.\n", dev->name, i);
- spin_unlock(&np->lock);
+ spin_unlock_irq(&np->lock);
break;
}
@@ -2203,14 +2255,14 @@ static irqreturn_t nv_nic_irq_other(int foo, void *data, struct pt_regs *regs)
break;
if (events & NVREG_IRQ_LINK) {
- spin_lock(&np->lock);
+ spin_lock_irq(&np->lock);
nv_link_irq(dev);
- spin_unlock(&np->lock);
+ spin_unlock_irq(&np->lock);
}
if (np->need_linktimer && time_after(jiffies, np->link_timeout)) {
- spin_lock(&np->lock);
+ spin_lock_irq(&np->lock);
nv_linkchange(dev);
- spin_unlock(&np->lock);
+ spin_unlock_irq(&np->lock);
np->link_timeout = jiffies + LINK_TIMEOUT;
}
if (events & (NVREG_IRQ_UNKNOWN)) {
@@ -2218,7 +2270,7 @@ static irqreturn_t nv_nic_irq_other(int foo, void *data, struct pt_regs *regs)
dev->name, events);
}
if (i > max_interrupt_work) {
- spin_lock(&np->lock);
+ spin_lock_irq(&np->lock);
/* disable interrupts on the nic */
writel(NVREG_IRQ_OTHER, base + NvRegIrqMask);
pci_push(base);
@@ -2228,7 +2280,7 @@ static irqreturn_t nv_nic_irq_other(int foo, void *data, struct pt_regs *regs)
mod_timer(&np->nic_poll, jiffies + POLL_WAIT);
}
printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq_other.\n", dev->name, i);
- spin_unlock(&np->lock);
+ spin_unlock_irq(&np->lock);
break;
}
@@ -2251,10 +2303,11 @@ static void nv_do_nic_poll(unsigned long data)
* nv_nic_irq because that may decide to do otherwise
*/
- if (!(np->msi_flags & NV_MSI_X_ENABLED) ||
- ((np->msi_flags & NV_MSI_X_ENABLED) &&
- ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) {
- disable_irq(dev->irq);
+ if (!using_multi_irqs(dev)) {
+ if (np->msi_flags & NV_MSI_X_ENABLED)
+ disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
+ else
+ disable_irq(dev->irq);
mask = np->irqmask;
} else {
if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) {
@@ -2277,11 +2330,12 @@ static void nv_do_nic_poll(unsigned long data)
writel(mask, base + NvRegIrqMask);
pci_push(base);
- if (!(np->msi_flags & NV_MSI_X_ENABLED) ||
- ((np->msi_flags & NV_MSI_X_ENABLED) &&
- ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) {
+ if (!using_multi_irqs(dev)) {
nv_nic_irq((int) 0, (void *) data, (struct pt_regs *) NULL);
- enable_irq(dev->irq);
+ if (np->msi_flags & NV_MSI_X_ENABLED)
+ enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
+ else
+ enable_irq(dev->irq);
} else {
if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) {
nv_nic_irq_rx((int) 0, (void *) data, (struct pt_regs *) NULL);
@@ -2628,6 +2682,113 @@ static void set_msix_vector_map(struct net_device *dev, u32 vector, u32 irqmask)
writel(readl(base + NvRegMSIXMap1) | msixmap, base + NvRegMSIXMap1);
}
+static int nv_request_irq(struct net_device *dev)
+{
+ struct fe_priv *np = get_nvpriv(dev);
+ u8 __iomem *base = get_hwbase(dev);
+ int ret = 1;
+ int i;
+
+ if (np->msi_flags & NV_MSI_X_CAPABLE) {
+ for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) {
+ np->msi_x_entry[i].entry = i;
+ }
+ if ((ret = pci_enable_msix(np->pci_dev, np->msi_x_entry, (np->msi_flags & NV_MSI_X_VECTORS_MASK))) == 0) {
+ np->msi_flags |= NV_MSI_X_ENABLED;
+ if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT) {
+ /* Request irq for rx handling */
+ if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, &nv_nic_irq_rx, SA_SHIRQ, dev->name, dev) != 0) {
+ printk(KERN_INFO "forcedeth: request_irq failed for rx %d\n", ret);
+ pci_disable_msix(np->pci_dev);
+ np->msi_flags &= ~NV_MSI_X_ENABLED;
+ goto out_err;
+ }
+ /* Request irq for tx handling */
+ if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, &nv_nic_irq_tx, SA_SHIRQ, dev->name, dev) != 0) {
+ printk(KERN_INFO "forcedeth: request_irq failed for tx %d\n", ret);
+ pci_disable_msix(np->pci_dev);
+ np->msi_flags &= ~NV_MSI_X_ENABLED;
+ goto out_free_rx;
+ }
+ /* Request irq for link and timer handling */
+ if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector, &nv_nic_irq_other, SA_SHIRQ, dev->name, dev) != 0) {
+ printk(KERN_INFO "forcedeth: request_irq failed for link %d\n", ret);
+ pci_disable_msix(np->pci_dev);
+ np->msi_flags &= ~NV_MSI_X_ENABLED;
+ goto out_free_tx;
+ }
+ /* map interrupts to their respective vector */
+ writel(0, base + NvRegMSIXMap0);
+ writel(0, base + NvRegMSIXMap1);
+ set_msix_vector_map(dev, NV_MSI_X_VECTOR_RX, NVREG_IRQ_RX_ALL);
+ set_msix_vector_map(dev, NV_MSI_X_VECTOR_TX, NVREG_IRQ_TX_ALL);
+ set_msix_vector_map(dev, NV_MSI_X_VECTOR_OTHER, NVREG_IRQ_OTHER);
+ } else {
+ /* Request irq for all interrupts */
+ if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) {
+ printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret);
+ pci_disable_msix(np->pci_dev);
+ np->msi_flags &= ~NV_MSI_X_ENABLED;
+ goto out_err;
+ }
+
+ /* map interrupts to vector 0 */
+ writel(0, base + NvRegMSIXMap0);
+ writel(0, base + NvRegMSIXMap1);
+ }
+ }
+ }
+ if (ret != 0 && np->msi_flags & NV_MSI_CAPABLE) {
+ if ((ret = pci_enable_msi(np->pci_dev)) == 0) {
+ np->msi_flags |= NV_MSI_ENABLED;
+ if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) {
+ printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret);
+ pci_disable_msi(np->pci_dev);
+ np->msi_flags &= ~NV_MSI_ENABLED;
+ goto out_err;
+ }
+
+ /* map interrupts to vector 0 */
+ writel(0, base + NvRegMSIMap0);
+ writel(0, base + NvRegMSIMap1);
+ /* enable msi vector 0 */
+ writel(NVREG_MSI_VECTOR_0_ENABLED, base + NvRegMSIIrqMask);
+ }
+ }
+ if (ret != 0) {
+ if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0)
+ goto out_err;
+ }
+
+ return 0;
+out_free_tx:
+ free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, dev);
+out_free_rx:
+ free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, dev);
+out_err:
+ return 1;
+}
+
+static void nv_free_irq(struct net_device *dev)
+{
+ struct fe_priv *np = get_nvpriv(dev);
+ int i;
+
+ if (np->msi_flags & NV_MSI_X_ENABLED) {
+ for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) {
+ free_irq(np->msi_x_entry[i].vector, dev);
+ }
+ pci_disable_msix(np->pci_dev);
+ np->msi_flags &= ~NV_MSI_X_ENABLED;
+ } else {
+ free_irq(np->pci_dev->irq, dev);
+ if (np->msi_flags & NV_MSI_ENABLED) {
+ pci_disable_msi(np->pci_dev);
+ np->msi_flags &= ~NV_MSI_ENABLED;
+ }
+ }
+}
+
static int nv_open(struct net_device *dev)
{
struct fe_priv *np = netdev_priv(dev);
@@ -2720,12 +2881,16 @@ static int nv_open(struct net_device *dev)
udelay(10);
writel(readl(base + NvRegPowerState) | NVREG_POWERSTATE_VALID, base + NvRegPowerState);
- writel(0, base + NvRegIrqMask);
+ nv_disable_hw_interrupts(dev, np->irqmask);
pci_push(base);
writel(NVREG_MIISTAT_MASK2, base + NvRegMIIStatus);
writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus);
pci_push(base);
+ if (nv_request_irq(dev)) {
+ goto out_drain;
+ }
+
if (np->msi_flags & NV_MSI_X_CAPABLE) {
for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) {
np->msi_x_entry[i].entry = i;
@@ -2799,7 +2964,7 @@ static int nv_open(struct net_device *dev)
}
/* ask for interrupts */
- writel(np->irqmask, base + NvRegIrqMask);
+ nv_enable_hw_interrupts(dev, np->irqmask);
spin_lock_irq(&np->lock);
writel(NVREG_MCASTADDRA_FORCE, base + NvRegMulticastAddrA);
@@ -2843,7 +3008,6 @@ static int nv_close(struct net_device *dev)
{
struct fe_priv *np = netdev_priv(dev);
u8 __iomem *base;
- int i;
spin_lock_irq(&np->lock);
np->in_shutdown = 1;
@@ -2861,31 +3025,13 @@ static int nv_close(struct net_device *dev)
/* disable interrupts on the nic or we will lock up */
base = get_hwbase(dev);
- if (np->msi_flags & NV_MSI_X_ENABLED) {
- writel(np->irqmask, base + NvRegIrqMask);
- } else {
- if (np->msi_flags & NV_MSI_ENABLED)
- writel(0, base + NvRegMSIIrqMask);
- writel(0, base + NvRegIrqMask);
- }
+ nv_disable_hw_interrupts(dev, np->irqmask);
pci_push(base);
dprintk(KERN_INFO "%s: Irqmask is zero again\n", dev->name);
spin_unlock_irq(&np->lock);
- if (np->msi_flags & NV_MSI_X_ENABLED) {
- for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) {
- free_irq(np->msi_x_entry[i].vector, dev);
- }
- pci_disable_msix(np->pci_dev);
- np->msi_flags &= ~NV_MSI_X_ENABLED;
- } else {
- free_irq(np->pci_dev->irq, dev);
- if (np->msi_flags & NV_MSI_ENABLED) {
- pci_disable_msi(np->pci_dev);
- np->msi_flags &= ~NV_MSI_ENABLED;
- }
- }
+ nv_free_irq(dev);
drain_ring(dev);
@@ -2974,20 +3120,18 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
if (id->driver_data & DEV_HAS_HIGH_DMA) {
/* packet format 3: supports 40-bit addressing */
np->desc_ver = DESC_VER_3;
+ np->txrxctl_bits = NVREG_TXRXCTL_DESC_3;
if (pci_set_dma_mask(pci_dev, DMA_39BIT_MASK)) {
printk(KERN_INFO "forcedeth: 64-bit DMA failed, using 32-bit addressing for device %s.\n",
pci_name(pci_dev));
} else {
- if (pci_set_consistent_dma_mask(pci_dev, 0x0000007fffffffffULL)) {
- printk(KERN_INFO "forcedeth: 64-bit DMA (consistent) failed for device %s.\n",
- pci_name(pci_dev));
- goto out_relreg;
- } else {
- dev->features |= NETIF_F_HIGHDMA;
- printk(KERN_INFO "forcedeth: using HIGHDMA\n");
- }
+ dev->features |= NETIF_F_HIGHDMA;
+ printk(KERN_INFO "forcedeth: using HIGHDMA\n");
+ }
+ if (pci_set_consistent_dma_mask(pci_dev, 0x0000007fffffffffULL)) {
+ printk(KERN_INFO "forcedeth: 64-bit DMA (consistent) failed for device %s.\n",
+ pci_name(pci_dev));
}
- np->txrxctl_bits = NVREG_TXRXCTL_DESC_3;
} else if (id->driver_data & DEV_HAS_LARGEDESC) {
/* packet format 2: supports jumbo frames */
np->desc_ver = DESC_VER_2;
diff --git a/drivers/net/hamradio/dmascc.c b/drivers/net/hamradio/dmascc.c
index 79a8fbc..0d5fccc 100644
--- a/drivers/net/hamradio/dmascc.c
+++ b/drivers/net/hamradio/dmascc.c
@@ -582,7 +582,6 @@ static int __init setup_adapter(int card_base, int type, int n)
INIT_WORK(&priv->rx_work, rx_bh, priv);
dev->priv = priv;
sprintf(dev->name, "dmascc%i", 2 * n + i);
- SET_MODULE_OWNER(dev);
dev->base_addr = card_base;
dev->irq = irq;
dev->open = scc_open;
diff --git a/drivers/net/hamradio/scc.c b/drivers/net/hamradio/scc.c
index 6ace0e9..5927784 100644
--- a/drivers/net/hamradio/scc.c
+++ b/drivers/net/hamradio/scc.c
@@ -1550,7 +1550,6 @@ static unsigned char ax25_nocall[AX25_ADDR_LEN] =
static void scc_net_setup(struct net_device *dev)
{
- SET_MODULE_OWNER(dev);
dev->tx_queue_len = 16; /* should be enough... */
dev->open = scc_net_open;
diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c
index fe22479..b498840 100644
--- a/drivers/net/hamradio/yam.c
+++ b/drivers/net/hamradio/yam.c
@@ -1098,7 +1098,6 @@ static void yam_setup(struct net_device *dev)
dev->base_addr = yp->iobase;
dev->irq = yp->irq;
- SET_MODULE_OWNER(dev);
dev->open = yam_open;
dev->stop = yam_close;
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index ea62a3e..411f4d8 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -1419,6 +1419,8 @@ static int mv643xx_eth_probe(struct platform_device *pdev)
mv643xx_eth_update_pscr(dev, &cmd);
mv643xx_set_settings(dev, &cmd);
+ SET_MODULE_OWNER(dev);
+ SET_NETDEV_DEV(dev, &pdev->dev);
err = register_netdev(dev);
if (err)
goto out;
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 73e271e..beeb612 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -69,8 +69,8 @@
#define DRV_MODULE_NAME "tg3"
#define PFX DRV_MODULE_NAME ": "
-#define DRV_MODULE_VERSION "3.56"
-#define DRV_MODULE_RELDATE "Apr 1, 2006"
+#define DRV_MODULE_VERSION "3.57"
+#define DRV_MODULE_RELDATE "Apr 28, 2006"
#define TG3_DEF_MAC_MODE 0
#define TG3_DEF_RX_MODE 0
@@ -974,6 +974,8 @@ static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
return err;
}
+static void tg3_link_report(struct tg3 *);
+
/* This will reset the tigon3 PHY if there is no valid
* link unless the FORCE argument is non-zero.
*/
@@ -987,6 +989,11 @@ static int tg3_phy_reset(struct tg3 *tp)
if (err != 0)
return -EBUSY;
+ if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
+ netif_carrier_off(tp->dev);
+ tg3_link_report(tp);
+ }
+
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
@@ -1023,6 +1030,12 @@ out:
tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
}
+ else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
+ tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
+ tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
+ tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
+ tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
+ }
/* Set Extended packet length bit (bit 14) on all chips that */
/* support jumbo frames */
if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
@@ -3531,7 +3544,7 @@ static irqreturn_t tg3_test_isr(int irq, void *dev_id,
return IRQ_RETVAL(0);
}
-static int tg3_init_hw(struct tg3 *);
+static int tg3_init_hw(struct tg3 *, int);
static int tg3_halt(struct tg3 *, int, int);
#ifdef CONFIG_NET_POLL_CONTROLLER
@@ -3567,7 +3580,7 @@ static void tg3_reset_task(void *_data)
tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
- tg3_init_hw(tp);
+ tg3_init_hw(tp, 1);
tg3_netif_start(tp);
@@ -4042,7 +4055,7 @@ static int tg3_change_mtu(struct net_device *dev, int new_mtu)
tg3_set_mtu(dev, tp, new_mtu);
- tg3_init_hw(tp);
+ tg3_init_hw(tp, 0);
tg3_netif_start(tp);
@@ -5719,9 +5732,23 @@ static int tg3_set_mac_addr(struct net_device *dev, void *p)
if (!netif_running(dev))
return 0;
- spin_lock_bh(&tp->lock);
- __tg3_set_mac_addr(tp);
- spin_unlock_bh(&tp->lock);
+ if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
+ /* Reset chip so that ASF can re-init any MAC addresses it
+ * needs.
+ */
+ tg3_netif_stop(tp);
+ tg3_full_lock(tp, 1);
+
+ tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
+ tg3_init_hw(tp, 0);
+
+ tg3_netif_start(tp);
+ tg3_full_unlock(tp);
+ } else {
+ spin_lock_bh(&tp->lock);
+ __tg3_set_mac_addr(tp);
+ spin_unlock_bh(&tp->lock);
+ }
return 0;
}
@@ -5771,7 +5798,7 @@ static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
}
/* tp->lock is held. */
-static int tg3_reset_hw(struct tg3 *tp)
+static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
{
u32 val, rdmac_mode;
int i, err, limit;
@@ -5786,7 +5813,7 @@ static int tg3_reset_hw(struct tg3 *tp)
tg3_abort_hw(tp, 1);
}
- if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
+ if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) && reset_phy)
tg3_phy_reset(tp);
err = tg3_chip_reset(tp);
@@ -6327,7 +6354,7 @@ static int tg3_reset_hw(struct tg3 *tp)
tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
}
- err = tg3_setup_phy(tp, 1);
+ err = tg3_setup_phy(tp, reset_phy);
if (err)
return err;
@@ -6400,7 +6427,7 @@ static int tg3_reset_hw(struct tg3 *tp)
/* Called at device open time to get the chip ready for
* packet processing. Invoked with tp->lock held.
*/
-static int tg3_init_hw(struct tg3 *tp)
+static int tg3_init_hw(struct tg3 *tp, int reset_phy)
{
int err;
@@ -6413,7 +6440,7 @@ static int tg3_init_hw(struct tg3 *tp)
tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
- err = tg3_reset_hw(tp);
+ err = tg3_reset_hw(tp, reset_phy);
out:
return err;
@@ -6683,7 +6710,7 @@ static int tg3_test_msi(struct tg3 *tp)
tg3_full_lock(tp, 1);
tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
- err = tg3_init_hw(tp);
+ err = tg3_init_hw(tp, 1);
tg3_full_unlock(tp);
@@ -6748,7 +6775,7 @@ static int tg3_open(struct net_device *dev)
tg3_full_lock(tp, 0);
- err = tg3_init_hw(tp);
+ err = tg3_init_hw(tp, 1);
if (err) {
tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
tg3_free_rings(tp);
@@ -7839,7 +7866,7 @@ static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *e
if (netif_running(dev)) {
tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
- tg3_init_hw(tp);
+ tg3_init_hw(tp, 1);
tg3_netif_start(tp);
}
@@ -7884,7 +7911,7 @@ static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam
if (netif_running(dev)) {
tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
- tg3_init_hw(tp);
+ tg3_init_hw(tp, 1);
tg3_netif_start(tp);
}
@@ -8522,7 +8549,7 @@ static int tg3_test_loopback(struct tg3 *tp)
if (!netif_running(tp->dev))
return TG3_LOOPBACK_FAILED;
- tg3_reset_hw(tp);
+ tg3_reset_hw(tp, 1);
if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
err |= TG3_MAC_LOOPBACK_FAILED;
@@ -8596,7 +8623,7 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
if (netif_running(dev)) {
tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
- tg3_init_hw(tp);
+ tg3_init_hw(tp, 1);
tg3_netif_start(tp);
}
@@ -9377,7 +9404,7 @@ static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
if ((page_off == 0) || (i == 0))
nvram_cmd |= NVRAM_CMD_FIRST;
- else if (page_off == (tp->nvram_pagesize - 4))
+ if (page_off == (tp->nvram_pagesize - 4))
nvram_cmd |= NVRAM_CMD_LAST;
if (i == (len - 4))
@@ -10353,10 +10380,13 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
- if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
- (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755) &&
- (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787))
- tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
+ if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
+ tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
+ else
+ tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
+ }
tp->coalesce_mode = 0;
if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
@@ -11569,7 +11599,7 @@ static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
tg3_full_lock(tp, 0);
tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
- tg3_init_hw(tp);
+ tg3_init_hw(tp, 1);
tp->timer.expires = jiffies + tp->timer_offset;
add_timer(&tp->timer);
@@ -11603,7 +11633,7 @@ static int tg3_resume(struct pci_dev *pdev)
tg3_full_lock(tp, 0);
tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
- tg3_init_hw(tp);
+ tg3_init_hw(tp, 1);
tp->timer.expires = jiffies + tp->timer_offset;
add_timer(&tp->timer);
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 8c8b987..0e29b88 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2215,6 +2215,7 @@ struct tg3 {
#define TG3_FLG2_HW_TSO_2 0x08000000
#define TG3_FLG2_HW_TSO (TG3_FLG2_HW_TSO_1 | TG3_FLG2_HW_TSO_2)
#define TG3_FLG2_1SHOT_MSI 0x10000000
+#define TG3_FLG2_PHY_JITTER_BUG 0x20000000
u32 split_mode_max_reqs;
#define SPLIT_MODE_5704_MAX_REQ 3
diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c
index 6a23964..a6dc53b 100644
--- a/drivers/net/via-rhine.c
+++ b/drivers/net/via-rhine.c
@@ -129,6 +129,7 @@
- Massive clean-up
- Rewrite PHY, media handling (remove options, full_duplex, backoff)
- Fix Tx engine race for good
+ - Craig Brind: Zero padded aligned buffers for short packets.
*/
@@ -1326,7 +1327,12 @@ static int rhine_start_tx(struct sk_buff *skb, struct net_device *dev)
rp->stats.tx_dropped++;
return 0;
}
+
+ /* Padding is not copied and so must be redone. */
skb_copy_and_csum_dev(skb, rp->tx_buf[entry]);
+ if (skb->len < ETH_ZLEN)
+ memset(rp->tx_buf[entry] + skb->len, 0,
+ ETH_ZLEN - skb->len);
rp->tx_skbuff_dma[entry] = 0;
rp->tx_ring[entry].addr = cpu_to_le32(rp->tx_bufs_dma +
(rp->tx_buf[entry] -
diff --git a/drivers/pcmcia/i82365.c b/drivers/pcmcia/i82365.c
index bd0308e..a2f05f4 100644
--- a/drivers/pcmcia/i82365.c
+++ b/drivers/pcmcia/i82365.c
@@ -509,7 +509,8 @@ static irqreturn_t i365_count_irq(int irq, void *dev, struct pt_regs *regs)
static u_int __init test_irq(u_short sock, int irq)
{
debug(2, " testing ISA irq %d\n", irq);
- if (request_irq(irq, i365_count_irq, 0, "scan", i365_count_irq) != 0)
+ if (request_irq(irq, i365_count_irq, SA_PROBEIRQ, "scan",
+ i365_count_irq) != 0)
return 1;
irq_hits = 0; irq_sock = sock;
msleep(10);
@@ -561,7 +562,7 @@ static u_int __init isa_scan(u_short sock, u_int mask0)
} else {
/* Fallback: just find interrupts that aren't in use */
for (i = 0; i < 16; i++)
- if ((mask0 & (1 << i)) && (_check_irq(i, 0) == 0))
+ if ((mask0 & (1 << i)) && (_check_irq(i, SA_PROBEIRQ) == 0))
mask1 |= (1 << i);
printk("default");
/* If scan failed, default to polled status */
@@ -725,7 +726,7 @@ static void __init add_pcic(int ns, int type)
u_int cs_mask = mask & ((cs_irq) ? (1<<cs_irq) : ~(1<<12));
for (cs_irq = 15; cs_irq > 0; cs_irq--)
if ((cs_mask & (1 << cs_irq)) &&
- (_check_irq(cs_irq, 0) == 0))
+ (_check_irq(cs_irq, SA_PROBEIRQ) == 0))
break;
if (cs_irq) {
grab_irq = 1;
diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c
index b1e3e61..6c9ad92 100644
--- a/drivers/rtc/rtc-dev.c
+++ b/drivers/rtc/rtc-dev.c
@@ -58,7 +58,7 @@ rtc_dev_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
unsigned long data;
ssize_t ret;
- if (count < sizeof(unsigned long))
+ if (count != sizeof(unsigned int) && count < sizeof(unsigned long))
return -EINVAL;
add_wait_queue(&rtc->irq_queue, &wait);
@@ -90,11 +90,16 @@ rtc_dev_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
if (ret == 0) {
/* Check for any data updates */
if (rtc->ops->read_callback)
- data = rtc->ops->read_callback(rtc->class_dev.dev, data);
-
- ret = put_user(data, (unsigned long __user *)buf);
- if (ret == 0)
- ret = sizeof(unsigned long);
+ data = rtc->ops->read_callback(rtc->class_dev.dev,
+ data);
+
+ if (sizeof(int) != sizeof(long) &&
+ count == sizeof(unsigned int))
+ ret = put_user(data, (unsigned int __user *)buf) ?:
+ sizeof(unsigned int);
+ else
+ ret = put_user(data, (unsigned long __user *)buf) ?:
+ sizeof(unsigned long);
}
return ret;
}
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index a3bfebc..cfb1fff 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -315,6 +315,11 @@ dasd_increase_state(struct dasd_device *device)
rc = dasd_state_basic_to_ready(device);
if (!rc &&
+ device->state == DASD_STATE_UNFMT &&
+ device->target > DASD_STATE_UNFMT)
+ rc = -EPERM;
+
+ if (!rc &&
device->state == DASD_STATE_READY &&
device->target >= DASD_STATE_ONLINE)
rc = dasd_state_ready_to_online(device);
diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index c1c6f13..216bc4f 100644
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -45,6 +45,7 @@ struct dasd_devmap {
unsigned int devindex;
unsigned short features;
struct dasd_device *device;
+ struct dasd_uid uid;
};
/*
@@ -716,6 +717,68 @@ dasd_discipline_show(struct device *dev, struct device_attribute *attr, char *bu
static DEVICE_ATTR(discipline, 0444, dasd_discipline_show, NULL);
+static ssize_t
+dasd_alias_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct dasd_devmap *devmap;
+ int alias;
+
+ devmap = dasd_find_busid(dev->bus_id);
+ spin_lock(&dasd_devmap_lock);
+ if (!IS_ERR(devmap))
+ alias = devmap->uid.alias;
+ else
+ alias = 0;
+ spin_unlock(&dasd_devmap_lock);
+
+ return sprintf(buf, alias ? "1\n" : "0\n");
+}
+
+static DEVICE_ATTR(alias, 0444, dasd_alias_show, NULL);
+
+static ssize_t
+dasd_vendor_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct dasd_devmap *devmap;
+ char *vendor;
+
+ devmap = dasd_find_busid(dev->bus_id);
+ spin_lock(&dasd_devmap_lock);
+ if (!IS_ERR(devmap) && strlen(devmap->uid.vendor) > 0)
+ vendor = devmap->uid.vendor;
+ else
+ vendor = "";
+ spin_unlock(&dasd_devmap_lock);
+
+ return snprintf(buf, PAGE_SIZE, "%s\n", vendor);
+}
+
+static DEVICE_ATTR(vendor, 0444, dasd_vendor_show, NULL);
+
+#define UID_STRLEN ( /* vendor */ 3 + 1 + /* serial */ 14 + 1 +\
+ /* SSID */ 4 + 1 + /* unit addr */ 2 + 1)
+
+static ssize_t
+dasd_uid_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct dasd_devmap *devmap;
+ char uid[UID_STRLEN];
+
+ devmap = dasd_find_busid(dev->bus_id);
+ spin_lock(&dasd_devmap_lock);
+ if (!IS_ERR(devmap) && strlen(devmap->uid.vendor) > 0)
+ snprintf(uid, sizeof(uid), "%s.%s.%04x.%02x",
+ devmap->uid.vendor, devmap->uid.serial,
+ devmap->uid.ssid, devmap->uid.unit_addr);
+ else
+ uid[0] = 0;
+ spin_unlock(&dasd_devmap_lock);
+
+ return snprintf(buf, PAGE_SIZE, "%s\n", uid);
+}
+
+static DEVICE_ATTR(uid, 0444, dasd_uid_show, NULL);
+
/*
* extended error-reporting
*/
@@ -759,6 +822,9 @@ static DEVICE_ATTR(eer_enabled, 0644, dasd_eer_show, dasd_eer_store);
static struct attribute * dasd_attrs[] = {
&dev_attr_readonly.attr,
&dev_attr_discipline.attr,
+ &dev_attr_alias.attr,
+ &dev_attr_vendor.attr,
+ &dev_attr_uid.attr,
&dev_attr_use_diag.attr,
&dev_attr_eer_enabled.attr,
NULL,
@@ -768,6 +834,42 @@ static struct attribute_group dasd_attr_group = {
.attrs = dasd_attrs,
};
+
+/*
+ * Return copy of the device unique identifier.
+ */
+int
+dasd_get_uid(struct ccw_device *cdev, struct dasd_uid *uid)
+{
+ struct dasd_devmap *devmap;
+
+ devmap = dasd_find_busid(cdev->dev.bus_id);
+ if (IS_ERR(devmap))
+ return PTR_ERR(devmap);
+ spin_lock(&dasd_devmap_lock);
+ *uid = devmap->uid;
+ spin_unlock(&dasd_devmap_lock);
+ return 0;
+}
+
+/*
+ * Register the given device unique identifier into devmap struct.
+ */
+int
+dasd_set_uid(struct ccw_device *cdev, struct dasd_uid *uid)
+{
+ struct dasd_devmap *devmap;
+
+ devmap = dasd_find_busid(cdev->dev.bus_id);
+ if (IS_ERR(devmap))
+ return PTR_ERR(devmap);
+ spin_lock(&dasd_devmap_lock);
+ devmap->uid = *uid;
+ spin_unlock(&dasd_devmap_lock);
+ return 0;
+}
+EXPORT_SYMBOL(dasd_set_uid);
+
/*
* Return value of the specified feature.
*/
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index ee09ef3..7d5a6ce 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -446,6 +446,39 @@ dasd_eckd_cdl_reclen(int recid)
return LABEL_SIZE;
}
+/*
+ * Generate device unique id that specifies the physical device.
+ */
+static int
+dasd_eckd_generate_uid(struct dasd_device *device, struct dasd_uid *uid)
+{
+ struct dasd_eckd_private *private;
+ struct dasd_eckd_confdata *confdata;
+
+ private = (struct dasd_eckd_private *) device->private;
+ if (!private)
+ return -ENODEV;
+ confdata = &private->conf_data;
+ if (!confdata)
+ return -ENODEV;
+
+ memset(uid, 0, sizeof(struct dasd_uid));
+ strncpy(uid->vendor, confdata->ned1.HDA_manufacturer,
+ sizeof(uid->vendor) - 1);
+ EBCASC(uid->vendor, sizeof(uid->vendor) - 1);
+ strncpy(uid->serial, confdata->ned1.HDA_location,
+ sizeof(uid->serial) - 1);
+ EBCASC(uid->serial, sizeof(uid->serial) - 1);
+ uid->ssid = confdata->neq.subsystemID;
+ if (confdata->ned2.sneq.flags == 0x40) {
+ uid->alias = 1;
+ uid->unit_addr = confdata->ned2.sneq.base_unit_addr;
+ } else
+ uid->unit_addr = confdata->ned1.unit_addr;
+
+ return 0;
+}
+
static int
dasd_eckd_read_conf(struct dasd_device *device)
{
@@ -507,11 +540,15 @@ dasd_eckd_read_conf(struct dasd_device *device)
return 0;
}
-
+/*
+ * Check device characteristics.
+ * If the device is accessible using ECKD discipline, the device is enabled.
+ */
static int
dasd_eckd_check_characteristics(struct dasd_device *device)
{
struct dasd_eckd_private *private;
+ struct dasd_uid uid;
void *rdc_data;
int rc;
@@ -536,6 +573,7 @@ dasd_eckd_check_characteristics(struct dasd_device *device)
/* Read Device Characteristics */
rdc_data = (void *) &(private->rdc_data);
+ memset(rdc_data, 0, sizeof(rdc_data));
rc = read_dev_chars(device->cdev, &rdc_data, 64);
if (rc) {
DEV_MESSAGE(KERN_WARNING, device,
@@ -556,8 +594,17 @@ dasd_eckd_check_characteristics(struct dasd_device *device)
/* Read Configuration Data */
rc = dasd_eckd_read_conf (device);
- return rc;
+ if (rc)
+ return rc;
+
+ /* Generate device unique id and register in devmap */
+ rc = dasd_eckd_generate_uid(device, &uid);
+ if (rc)
+ return rc;
+ rc = dasd_set_uid(device->cdev, &uid);
+
+ return rc;
}
static struct dasd_ccw_req *
diff --git a/drivers/s390/block/dasd_eckd.h b/drivers/s390/block/dasd_eckd.h
index ad8524b..d5734e9 100644
--- a/drivers/s390/block/dasd_eckd.h
+++ b/drivers/s390/block/dasd_eckd.h
@@ -228,26 +228,36 @@ struct dasd_eckd_confdata {
unsigned char HDA_manufacturer[3];
unsigned char HDA_location[2];
unsigned char HDA_seqno[12];
- __u16 ID;
+ __u8 ID;
+ __u8 unit_addr;
} __attribute__ ((packed)) ned1;
- struct {
+ union {
struct {
- unsigned char identifier:2;
- unsigned char token_id:1;
- unsigned char sno_valid:1;
- unsigned char subst_sno:1;
- unsigned char recNED:1;
- unsigned char emuNED:1;
- unsigned char reserved:1;
- } __attribute__ ((packed)) flags;
- __u8 descriptor;
- __u8 reserved[2];
- unsigned char dev_type[6];
- unsigned char dev_model[3];
- unsigned char DASD_manufacturer[3];
- unsigned char DASD_location[2];
- unsigned char DASD_seqno[12];
- __u16 ID;
+ struct {
+ unsigned char identifier:2;
+ unsigned char token_id:1;
+ unsigned char sno_valid:1;
+ unsigned char subst_sno:1;
+ unsigned char recNED:1;
+ unsigned char emuNED:1;
+ unsigned char reserved:1;
+ } __attribute__ ((packed)) flags;
+ __u8 descriptor;
+ __u8 reserved[2];
+ unsigned char dev_type[6];
+ unsigned char dev_model[3];
+ unsigned char DASD_manufacturer[3];
+ unsigned char DASD_location[2];
+ unsigned char DASD_seqno[12];
+ __u16 ID;
+ } __attribute__ ((packed)) ned;
+ struct {
+ unsigned char flags; /* byte 0 */
+ unsigned char res2[7]; /* byte 1- 7 */
+ unsigned char sua_flags; /* byte 8 */
+ __u8 base_unit_addr; /* byte 9 */
+ unsigned char res3[22]; /* byte 10-31 */
+ } __attribute__ ((packed)) sneq;
} __attribute__ ((packed)) ned2;
struct {
struct {
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 4293ba8..d4b13e3 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -268,6 +268,16 @@ struct dasd_discipline {
extern struct dasd_discipline *dasd_diag_discipline_pointer;
+/*
+ * Unique identifier for dasd device.
+ */
+struct dasd_uid {
+ __u8 alias;
+ char vendor[4];
+ char serial[15];
+ __u16 ssid;
+ __u8 unit_addr;
+};
/*
* Notification numbers for extended error reporting notifications:
@@ -516,6 +526,8 @@ void dasd_devmap_exit(void);
struct dasd_device *dasd_create_device(struct ccw_device *);
void dasd_delete_device(struct dasd_device *);
+int dasd_get_uid(struct ccw_device *, struct dasd_uid *);
+int dasd_set_uid(struct ccw_device *, struct dasd_uid *);
int dasd_get_feature(struct ccw_device *, int);
int dasd_set_feature(struct ccw_device *, int, int);
diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c
index c3915f6..d71ef1a 100644
--- a/drivers/s390/char/tape_3590.c
+++ b/drivers/s390/char/tape_3590.c
@@ -230,14 +230,16 @@ tape_3590_read_attmsg(struct tape_device *device)
* These functions are used to schedule follow-up actions from within an
* interrupt context (like unsolicited interrupts).
*/
+struct work_handler_data {
+ struct tape_device *device;
+ enum tape_op op;
+ struct work_struct work;
+};
+
static void
tape_3590_work_handler(void *data)
{
- struct {
- struct tape_device *device;
- enum tape_op op;
- struct work_struct work;
- } *p = data;
+ struct work_handler_data *p = data;
switch (p->op) {
case TO_MSEN:
@@ -257,11 +259,7 @@ tape_3590_work_handler(void *data)
static int
tape_3590_schedule_work(struct tape_device *device, enum tape_op op)
{
- struct {
- struct tape_device *device;
- enum tape_op op;
- struct work_struct work;
- } *p;
+ struct work_handler_data *p;
if ((p = kzalloc(sizeof(*p), GFP_ATOMIC)) == NULL)
return -ENOMEM;
@@ -316,7 +314,7 @@ tape_3590_bread(struct tape_device *device, struct request *req)
rq_for_each_bio(bio, req) {
bio_for_each_segment(bv, bio, i) {
- dst = kmap(bv->bv_page) + bv->bv_offset;
+ dst = page_address(bv->bv_page) + bv->bv_offset;
for (off = 0; off < bv->bv_len;
off += TAPEBLOCK_HSEC_SIZE) {
ccw->flags = CCW_FLAG_CC;
@@ -1168,6 +1166,7 @@ tape_3590_setup_device(struct tape_device *device)
static void
tape_3590_cleanup_device(struct tape_device *device)
{
+ flush_scheduled_work();
tape_std_unassign(device);
kfree(device->discdata);
@@ -1234,6 +1233,7 @@ static struct tape_discipline tape_discipline_3590 = {
static struct ccw_device_id tape_3590_ids[] = {
{CCW_DEVICE_DEVTYPE(0x3590, 0, 0x3590, 0), .driver_info = tape_3590},
+ {CCW_DEVICE_DEVTYPE(0x3592, 0, 0x3592, 0), .driver_info = tape_3592},
{ /* end of list */ }
};
diff --git a/drivers/s390/char/tape_std.h b/drivers/s390/char/tape_std.h
index 2d31179..1fc9523 100644
--- a/drivers/s390/char/tape_std.h
+++ b/drivers/s390/char/tape_std.h
@@ -153,6 +153,7 @@ enum s390_tape_type {
tape_3480,
tape_3490,
tape_3590,
+ tape_3592,
};
#endif // _TAPE_STD_H
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index 6412b2c..72187e5 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -242,28 +242,10 @@ s390_subchannel_remove_chpid(struct device *dev, void *data)
if (sch->vpm == mask)
goto out_unreg;
- if ((sch->schib.scsw.actl & (SCSW_ACTL_CLEAR_PEND |
- SCSW_ACTL_HALT_PEND |
- SCSW_ACTL_START_PEND |
- SCSW_ACTL_RESUME_PEND)) &&
- (sch->schib.pmcw.lpum == mask)) {
- int cc = cio_cancel(sch);
-
- if (cc == -ENODEV)
- goto out_unreg;
-
- if (cc == -EINVAL) {
- cc = cio_clear(sch);
- if (cc == -ENODEV)
- goto out_unreg;
- /* Call handler. */
- if (sch->driver && sch->driver->termination)
- sch->driver->termination(&sch->dev);
- goto out_unlock;
- }
- } else if ((sch->schib.scsw.actl & SCSW_ACTL_DEVACT) &&
- (sch->schib.scsw.actl & SCSW_ACTL_SCHACT) &&
- (sch->schib.pmcw.lpum == mask)) {
+ if ((sch->schib.scsw.actl & SCSW_ACTL_DEVACT) &&
+ (sch->schib.scsw.actl & SCSW_ACTL_SCHACT) &&
+ (sch->schib.pmcw.lpum == mask) &&
+ (sch->vpm == 0)) {
int cc;
cc = cio_clear(sch);
@@ -653,13 +635,13 @@ __chp_add(struct subchannel_id schid, void *data)
if (sch->schib.pmcw.chpid[i] == chp->id) {
if (stsch(sch->schid, &sch->schib) != 0) {
/* Endgame. */
- spin_unlock(&sch->lock);
+ spin_unlock_irq(&sch->lock);
return -ENXIO;
}
break;
}
if (i==8) {
- spin_unlock(&sch->lock);
+ spin_unlock_irq(&sch->lock);
return 0;
}
sch->lpm = ((sch->schib.pmcw.pim &
diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c
index 814f925..96f5192 100644
--- a/drivers/s390/cio/qdio.c
+++ b/drivers/s390/cio/qdio.c
@@ -38,6 +38,7 @@
#include <linux/kernel.h>
#include <linux/proc_fs.h>
#include <linux/timer.h>
+#include <linux/mempool.h>
#include <asm/ccwdev.h>
#include <asm/io.h>
@@ -80,6 +81,8 @@ static int indicator_used[INDICATORS_PER_CACHELINE];
static __u32 * volatile indicators;
static __u32 volatile spare_indicator;
static atomic_t spare_indicator_usecount;
+#define QDIO_MEMPOOL_SCSSC_ELEMENTS 2
+static mempool_t *qdio_mempool_scssc;
static debug_info_t *qdio_dbf_setup;
static debug_info_t *qdio_dbf_sbal;
@@ -1637,7 +1640,7 @@ next:
}
kfree(irq_ptr->qdr);
- kfree(irq_ptr);
+ free_page((unsigned long) irq_ptr);
}
static void
@@ -2304,7 +2307,7 @@ qdio_get_ssqd_information(struct qdio_irq *irq_ptr)
QDIO_DBF_TEXT0(0,setup,"getssqd");
qdioac = 0;
- ssqd_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);
+ ssqd_area = mempool_alloc(qdio_mempool_scssc, GFP_ATOMIC);
if (!ssqd_area) {
QDIO_PRINT_WARN("Could not get memory for chsc. Using all " \
"SIGAs for sch x%x.\n", irq_ptr->schid.sch_no);
@@ -2364,7 +2367,7 @@ qdio_get_ssqd_information(struct qdio_irq *irq_ptr)
out:
qdio_check_subchannel_qebsm(irq_ptr, qdioac,
ssqd_area->sch_token);
- free_page ((unsigned long) ssqd_area);
+ mempool_free(ssqd_area, qdio_mempool_scssc);
irq_ptr->qdioac = qdioac;
}
@@ -2458,7 +2461,7 @@ tiqdio_set_subchannel_ind(struct qdio_irq *irq_ptr, int reset_to_zero)
virt_to_phys((volatile void *)irq_ptr->dev_st_chg_ind);
}
- scssc_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);
+ scssc_area = mempool_alloc(qdio_mempool_scssc, GFP_ATOMIC);
if (!scssc_area) {
QDIO_PRINT_WARN("No memory for setting indicators on " \
"subchannel 0.%x.%x.\n",
@@ -2514,7 +2517,7 @@ tiqdio_set_subchannel_ind(struct qdio_irq *irq_ptr, int reset_to_zero)
QDIO_DBF_HEX2(0,setup,&real_addr_dev_st_chg_ind,sizeof(unsigned long));
result = 0;
out:
- free_page ((unsigned long) scssc_area);
+ mempool_free(scssc_area, qdio_mempool_scssc);
return result;
}
@@ -2543,7 +2546,7 @@ tiqdio_set_delay_target(struct qdio_irq *irq_ptr, unsigned long delay_target)
if (!irq_ptr->is_thinint_irq)
return -ENODEV;
- scsscf_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);
+ scsscf_area = mempool_alloc(qdio_mempool_scssc, GFP_ATOMIC);
if (!scsscf_area) {
QDIO_PRINT_WARN("No memory for setting delay target on " \
"subchannel 0.%x.%x.\n",
@@ -2581,7 +2584,7 @@ tiqdio_set_delay_target(struct qdio_irq *irq_ptr, unsigned long delay_target)
QDIO_DBF_HEX2(0,trace,&delay_target,sizeof(unsigned long));
result = 0; /* not critical */
out:
- free_page ((unsigned long) scsscf_area);
+ mempool_free(scsscf_area, qdio_mempool_scssc);
return result;
}
@@ -2980,7 +2983,7 @@ qdio_allocate(struct qdio_initialize *init_data)
qdio_allocate_do_dbf(init_data);
/* create irq */
- irq_ptr = kzalloc(sizeof(struct qdio_irq), GFP_KERNEL | GFP_DMA);
+ irq_ptr = (void *) get_zeroed_page(GFP_KERNEL | GFP_DMA);
QDIO_DBF_TEXT0(0,setup,"irq_ptr:");
QDIO_DBF_HEX0(0,setup,&irq_ptr,sizeof(void*));
@@ -2995,7 +2998,7 @@ qdio_allocate(struct qdio_initialize *init_data)
/* QDR must be in DMA area since CCW data address is only 32 bit */
irq_ptr->qdr=kmalloc(sizeof(struct qdr), GFP_KERNEL | GFP_DMA);
if (!(irq_ptr->qdr)) {
- kfree(irq_ptr);
+ free_page((unsigned long) irq_ptr);
QDIO_PRINT_ERR("kmalloc of irq_ptr->qdr failed!\n");
return -ENOMEM;
}
@@ -3780,6 +3783,16 @@ oom:
return -ENOMEM;
}
+static void *qdio_mempool_alloc(gfp_t gfp_mask, void *size)
+{
+ return (void *) get_zeroed_page(gfp_mask|GFP_DMA);
+}
+
+static void qdio_mempool_free(void *element, void *size)
+{
+ free_page((unsigned long) element);
+}
+
static int __init
init_QDIO(void)
{
@@ -3809,6 +3822,10 @@ init_QDIO(void)
qdio_add_procfs_entry();
+ qdio_mempool_scssc = mempool_create(QDIO_MEMPOOL_SCSSC_ELEMENTS,
+ qdio_mempool_alloc,
+ qdio_mempool_free, NULL);
+
if (tiqdio_check_chsc_availability())
QDIO_PRINT_ERR("Not all CHSCs supported. Continuing.\n");
@@ -3824,6 +3841,7 @@ cleanup_QDIO(void)
qdio_remove_procfs_entry();
qdio_release_qdio_memory();
qdio_unregister_dbf_views();
+ mempool_destroy(qdio_mempool_scssc);
printk("qdio: %s: module removed\n",version);
}
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c
index b3c6e79..cb14642 100644
--- a/drivers/s390/net/qeth_main.c
+++ b/drivers/s390/net/qeth_main.c
@@ -8014,7 +8014,6 @@ static int (*qeth_old_arp_constructor) (struct neighbour *);
static struct neigh_ops arp_direct_ops_template = {
.family = AF_INET,
- .destructor = NULL,
.solicit = NULL,
.error_report = NULL,
.output = dev_queue_xmit,
diff --git a/drivers/s390/s390mach.c b/drivers/s390/s390mach.c
index 3bf4666..f99e553 100644
--- a/drivers/s390/s390mach.c
+++ b/drivers/s390/s390mach.c
@@ -13,6 +13,7 @@
#include <linux/sched.h>
#include <linux/errno.h>
#include <linux/workqueue.h>
+#include <linux/time.h>
#include <asm/lowcore.h>
@@ -362,12 +363,19 @@ s390_revalidate_registers(struct mci *mci)
return kill_task;
}
+#define MAX_IPD_COUNT 29
+#define MAX_IPD_TIME (5 * 60 * USEC_PER_SEC) /* 5 minutes */
+
/*
* machine check handler.
*/
void
s390_do_machine_check(struct pt_regs *regs)
{
+ static DEFINE_SPINLOCK(ipd_lock);
+ static unsigned long long last_ipd;
+ static int ipd_count;
+ unsigned long long tmp;
struct mci *mci;
struct mcck_struct *mcck;
int umode;
@@ -404,11 +412,27 @@ s390_do_machine_check(struct pt_regs *regs)
s390_handle_damage("processing backup machine "
"check with damage.");
}
- if (!umode)
- s390_handle_damage("processing backup machine "
- "check in kernel mode.");
- mcck->kill_task = 1;
- mcck->mcck_code = *(unsigned long long *) mci;
+
+ /*
+ * Nullifying exigent condition, therefore we might
+ * retry this instruction.
+ */
+
+ spin_lock(&ipd_lock);
+
+ tmp = get_clock();
+
+ if (((tmp - last_ipd) >> 12) < MAX_IPD_TIME)
+ ipd_count++;
+ else
+ ipd_count = 1;
+
+ last_ipd = tmp;
+
+ if (ipd_count == MAX_IPD_COUNT)
+ s390_handle_damage("too many ipd retries.");
+
+ spin_unlock(&ipd_lock);
}
else {
/* Processing damage -> stopping machine */
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 3e73026..a480a37 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -446,7 +446,9 @@ config SCSI_DPT_I2O
config SCSI_ADVANSYS
tristate "AdvanSys SCSI support"
- depends on (ISA || EISA || PCI) && SCSI && BROKEN
+ depends on SCSI
+ depends on ISA || EISA || PCI
+ depends on BROKEN || X86_32
help
This is a driver for all SCSI host adapters manufactured by
AdvanSys. It is documented in the kernel source in
diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index 28b9305..2a41963 100644
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -2051,7 +2051,7 @@ STATIC ASC_DCNT AscGetMaxDmaCount(ushort);
#define ADV_VADDR_TO_U32 virt_to_bus
#define ADV_U32_TO_VADDR bus_to_virt
-#define AdvPortAddr ulong /* Virtual memory address size */
+#define AdvPortAddr void __iomem * /* Virtual memory address size */
/*
* Define Adv Library required memory access macros.
diff --git a/drivers/serial/cpm_uart/cpm_uart.h b/drivers/serial/cpm_uart/cpm_uart.h
index aa5eb7d..3b35cb7 100644
--- a/drivers/serial/cpm_uart/cpm_uart.h
+++ b/drivers/serial/cpm_uart/cpm_uart.h
@@ -5,6 +5,13 @@
*
* Copyright (C) 2004 Freescale Semiconductor, Inc.
*
+ * 2006 (c) MontaVista Software, Inc.
+ * Vitaly Bordug <vbordug@ru.mvista.com>
+ *
+ * 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.
+ *
*/
#ifndef CPM_UART_H
#define CPM_UART_H
@@ -101,12 +108,13 @@ static inline unsigned long cpu2cpm_addr(void* addr, struct uart_cpm_port *pinfo
int offset;
u32 val = (u32)addr;
/* sane check */
- if ((val >= (u32)pinfo->mem_addr) &&
+ if (likely((val >= (u32)pinfo->mem_addr)) &&
(val<((u32)pinfo->mem_addr + pinfo->mem_size))) {
offset = val - (u32)pinfo->mem_addr;
return pinfo->dma_addr+offset;
}
- printk("%s(): address %x to translate out of range!\n", __FUNCTION__, val);
+ /* something nasty happened */
+ BUG();
return 0;
}
@@ -115,12 +123,13 @@ static inline void *cpm2cpu_addr(unsigned long addr, struct uart_cpm_port *pinfo
int offset;
u32 val = addr;
/* sane check */
- if ((val >= pinfo->dma_addr) &&
- (val<(pinfo->dma_addr + pinfo->mem_size))) {
+ if (likely((val >= pinfo->dma_addr) &&
+ (val<(pinfo->dma_addr + pinfo->mem_size)))) {
offset = val - (u32)pinfo->dma_addr;
return (void*)(pinfo->mem_addr+offset);
}
- printk("%s(): address %x to translate out of range!\n", __FUNCTION__, val);
+ /* something nasty happened */
+ BUG();
return 0;
}
diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c
index ced193b..969f949 100644
--- a/drivers/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/serial/cpm_uart/cpm_uart_core.c
@@ -12,7 +12,8 @@
*
* Copyright (C) 2004 Freescale Semiconductor, Inc.
* (C) 2004 Intracom, S.A.
- * (C) 2005 MontaVista Software, Inc. by Vitaly Bordug <vbordug@ru.mvista.com>
+ * (C) 2005-2006 MontaVista Software, Inc.
+ * Vitaly Bordug <vbordug@ru.mvista.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
@@ -81,7 +82,7 @@ early_uart_get_pdev(int index)
}
-void cpm_uart_count(void)
+static void cpm_uart_count(void)
{
cpm_uart_nr = 0;
#ifdef CONFIG_SERIAL_CPM_SMC1
@@ -104,6 +105,21 @@ void cpm_uart_count(void)
#endif
}
+/* Get UART number by its id */
+static int cpm_uart_id2nr(int id)
+{
+ int i;
+ if (id < UART_NR) {
+ for (i=0; i<UART_NR; i++) {
+ if (cpm_uart_port_map[i] == id)
+ return i;
+ }
+ }
+
+ /* not found or invalid argument */
+ return -1;
+}
+
/*
* Check, if transmit buffers are processed
*/
@@ -457,7 +473,11 @@ static void cpm_uart_shutdown(struct uart_port *port)
}
/* Shut them really down and reinit buffer descriptors */
- cpm_line_cr_cmd(line, CPM_CR_STOP_TX);
+ if (IS_SMC(pinfo))
+ cpm_line_cr_cmd(line, CPM_CR_STOP_TX);
+ else
+ cpm_line_cr_cmd(line, CPM_CR_GRA_STOP_TX);
+
cpm_uart_initbd(pinfo);
}
}
@@ -1008,7 +1028,11 @@ int cpm_uart_drv_get_platform_data(struct platform_device *pdev, int is_con)
int line;
u32 mem, pram;
- for (line=0; line<UART_NR && cpm_uart_port_map[line]!=pdata->fs_no; line++);
+ line = cpm_uart_id2nr(idx);
+ if(line < 0) {
+ printk(KERN_ERR"%s(): port %d is not registered", __FUNCTION__, idx);
+ return -1;
+ }
pinfo = (struct uart_cpm_port *) &cpm_uart_ports[idx];
@@ -1241,8 +1265,7 @@ static int cpm_uart_drv_probe(struct device *dev)
}
pdata = pdev->dev.platform_data;
- pr_debug("cpm_uart_drv_probe: Adding CPM UART %d\n",
- cpm_uart_port_map[pdata->fs_no]);
+ pr_debug("cpm_uart_drv_probe: Adding CPM UART %d\n", cpm_uart_id2nr(pdata->fs_no));
if ((ret = cpm_uart_drv_get_platform_data(pdev, 0)))
return ret;
@@ -1261,7 +1284,7 @@ static int cpm_uart_drv_remove(struct device *dev)
struct fs_uart_platform_info *pdata = pdev->dev.platform_data;
pr_debug("cpm_uart_drv_remove: Removing CPM UART %d\n",
- cpm_uart_port_map[pdata->fs_no]);
+ cpm_uart_id2nr(pdata->fs_no));
uart_remove_one_port(&cpm_reg, &cpm_uart_ports[pdata->fs_no].port);
return 0;
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm1.c b/drivers/serial/cpm_uart/cpm_uart_cpm1.c
index a5a3062..17406a0 100644
--- a/drivers/serial/cpm_uart/cpm_uart_cpm1.c
+++ b/drivers/serial/cpm_uart/cpm_uart_cpm1.c
@@ -8,6 +8,8 @@
*
* Copyright (C) 2004 Freescale Semiconductor, Inc.
* (C) 2004 Intracom, S.A.
+ * (C) 2006 MontaVista Software, Inc.
+ * Vitaly Bordug <vbordug@ru.mvista.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
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm2.c b/drivers/serial/cpm_uart/cpm_uart_cpm2.c
index 7c6b07a..4b2de08 100644
--- a/drivers/serial/cpm_uart/cpm_uart_cpm2.c
+++ b/drivers/serial/cpm_uart/cpm_uart_cpm2.c
@@ -8,6 +8,8 @@
*
* Copyright (C) 2004 Freescale Semiconductor, Inc.
* (C) 2004 Intracom, S.A.
+ * (C) 2006 MontaVista Software, Inc.
+ * Vitaly Bordug <vbordug@ru.mvista.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
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index c3b7a66..d202eb4 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -45,6 +45,7 @@
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/hardware.h>
+#include <asm/arch/imx-uart.h>
/* We've been assigned a range on the "Low-density serial ports" major */
#define SERIAL_IMX_MAJOR 204
@@ -73,7 +74,8 @@ struct imx_port {
struct uart_port port;
struct timer_list timer;
unsigned int old_status;
- int txirq,rxirq,rtsirq;
+ int txirq,rxirq,rtsirq;
+ int have_rtscts:1;
};
/*
@@ -491,8 +493,12 @@ imx_set_termios(struct uart_port *port, struct termios *termios,
ucr2 = UCR2_SRST | UCR2_IRTS;
if (termios->c_cflag & CRTSCTS) {
- ucr2 &= ~UCR2_IRTS;
- ucr2 |= UCR2_CTSC;
+ if( sport->have_rtscts ) {
+ ucr2 &= ~UCR2_IRTS;
+ ucr2 |= UCR2_CTSC;
+ } else {
+ termios->c_cflag &= ~CRTSCTS;
+ }
}
if (termios->c_cflag & CSTOPB)
@@ -719,27 +725,6 @@ static void __init imx_init_ports(void)
imx_ports[i].timer.function = imx_timeout;
imx_ports[i].timer.data = (unsigned long)&imx_ports[i];
}
-
- imx_gpio_mode(PC9_PF_UART1_CTS);
- imx_gpio_mode(PC10_PF_UART1_RTS);
- imx_gpio_mode(PC11_PF_UART1_TXD);
- imx_gpio_mode(PC12_PF_UART1_RXD);
- imx_gpio_mode(PB28_PF_UART2_CTS);
- imx_gpio_mode(PB29_PF_UART2_RTS);
-
- imx_gpio_mode(PB30_PF_UART2_TXD);
- imx_gpio_mode(PB31_PF_UART2_RXD);
-
-#if 0 /* We don't need these, on the mx1 the _modem_ side of the uart
- * is implemented.
- */
- imx_gpio_mode(PD7_AF_UART2_DTR);
- imx_gpio_mode(PD8_AF_UART2_DCD);
- imx_gpio_mode(PD9_AF_UART2_RI);
- imx_gpio_mode(PD10_AF_UART2_DSR);
-#endif
-
-
}
#ifdef CONFIG_SERIAL_IMX_CONSOLE
@@ -932,7 +917,14 @@ static int serial_imx_resume(struct platform_device *dev)
static int serial_imx_probe(struct platform_device *dev)
{
+ struct imxuart_platform_data *pdata;
+
imx_ports[dev->id].port.dev = &dev->dev;
+
+ pdata = (struct imxuart_platform_data *)dev->dev.platform_data;
+ if(pdata && (pdata->flags & IMXUART_HAVE_RTSCTS))
+ imx_ports[dev->id].have_rtscts = 1;
+
uart_add_one_port(&imx_reg, &imx_ports[dev->id].port);
platform_set_drvdata(dev, &imx_ports[dev->id]);
return 0;
diff --git a/drivers/sn/ioc3.c b/drivers/sn/ioc3.c
index 0b49ff7..501316b 100644
--- a/drivers/sn/ioc3.c
+++ b/drivers/sn/ioc3.c
@@ -678,7 +678,7 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
/* Track PCI-device specific data */
pci_set_drvdata(pdev, idd);
down_write(&ioc3_devices_rwsem);
- list_add(&idd->list, &ioc3_devices);
+ list_add_tail(&idd->list, &ioc3_devices);
idd->id = ioc3_counter++;
up_write(&ioc3_devices_rwsem);
diff --git a/drivers/sn/ioc4.c b/drivers/sn/ioc4.c
index 67140a5..cdeff90 100644
--- a/drivers/sn/ioc4.c
+++ b/drivers/sn/ioc4.c
@@ -310,7 +310,7 @@ ioc4_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
pci_set_drvdata(idd->idd_pdev, idd);
mutex_lock(&ioc4_mutex);
- list_add(&idd->idd_list, &ioc4_devices);
+ list_add_tail(&idd->idd_list, &ioc4_devices);
/* Add this IOC4 to all submodules */
list_for_each_entry(is, &ioc4_submodules, is_list) {
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 9060e71..4587087 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -400,6 +400,8 @@ config FB_ASILIANT
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
+ help
+ This is the frame buffer device driver for the Asiliant 69030 chipset
config FB_IMSTT
bool "IMS Twin Turbo display support"
diff --git a/drivers/video/au1200fb.c b/drivers/video/au1200fb.c
index b367de3..600d3e0 100644
--- a/drivers/video/au1200fb.c
+++ b/drivers/video/au1200fb.c
@@ -1920,1925 +1920,3 @@ module_exit(au1200fb_cleanup);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
-/*
- * BRIEF MODULE DESCRIPTION
- * Au1200 LCD Driver.
- *
- * Copyright 2004-2005 AMD
- * Author: AMD
- *
- * Based on:
- * linux/drivers/video/skeletonfb.c -- Skeleton for a frame buffer device
- * Created 28 Dec 1997 by Geert Uytterhoeven
- *
- * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * 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.
- */
-
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/fb.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/ctype.h>
-#include <linux/dma-mapping.h>
-
-#include <asm/mach-au1x00/au1000.h>
-#include "au1200fb.h"
-
-#ifdef CONFIG_PM
-#include <asm/mach-au1x00/au1xxx_pm.h>
-#endif
-
-#ifndef CONFIG_FB_AU1200_DEVS
-#define CONFIG_FB_AU1200_DEVS 4
-#endif
-
-#define DRIVER_NAME "au1200fb"
-#define DRIVER_DESC "LCD controller driver for AU1200 processors"
-
-#define DEBUG 1
-
-#define print_err(f, arg...) printk(KERN_ERR DRIVER_NAME ": " f "\n", ## arg)
-#define print_warn(f, arg...) printk(KERN_WARNING DRIVER_NAME ": " f "\n", ## arg)
-#define print_info(f, arg...) printk(KERN_INFO DRIVER_NAME ": " f "\n", ## arg)
-
-#if DEBUG
-#define print_dbg(f, arg...) printk(KERN_DEBUG __FILE__ ": " f "\n", ## arg)
-#else
-#define print_dbg(f, arg...) do {} while (0)
-#endif
-
-
-#define AU1200_LCD_FB_IOCTL 0x46FF
-
-#define AU1200_LCD_SET_SCREEN 1
-#define AU1200_LCD_GET_SCREEN 2
-#define AU1200_LCD_SET_WINDOW 3
-#define AU1200_LCD_GET_WINDOW 4
-#define AU1200_LCD_SET_PANEL 5
-#define AU1200_LCD_GET_PANEL 6
-
-#define SCREEN_SIZE (1<< 1)
-#define SCREEN_BACKCOLOR (1<< 2)
-#define SCREEN_BRIGHTNESS (1<< 3)
-#define SCREEN_COLORKEY (1<< 4)
-#define SCREEN_MASK (1<< 5)
-
-struct au1200_lcd_global_regs_t {
- unsigned int flags;
- unsigned int xsize;
- unsigned int ysize;
- unsigned int backcolor;
- unsigned int brightness;
- unsigned int colorkey;
- unsigned int mask;
- unsigned int panel_choice;
- char panel_desc[80];
-
-};
-
-#define WIN_POSITION (1<< 0)
-#define WIN_ALPHA_COLOR (1<< 1)
-#define WIN_ALPHA_MODE (1<< 2)
-#define WIN_PRIORITY (1<< 3)
-#define WIN_CHANNEL (1<< 4)
-#define WIN_BUFFER_FORMAT (1<< 5)
-#define WIN_COLOR_ORDER (1<< 6)
-#define WIN_PIXEL_ORDER (1<< 7)
-#define WIN_SIZE (1<< 8)
-#define WIN_COLORKEY_MODE (1<< 9)
-#define WIN_DOUBLE_BUFFER_MODE (1<< 10)
-#define WIN_RAM_ARRAY_MODE (1<< 11)
-#define WIN_BUFFER_SCALE (1<< 12)
-#define WIN_ENABLE (1<< 13)
-
-struct au1200_lcd_window_regs_t {
- unsigned int flags;
- unsigned int xpos;
- unsigned int ypos;
- unsigned int alpha_color;
- unsigned int alpha_mode;
- unsigned int priority;
- unsigned int channel;
- unsigned int buffer_format;
- unsigned int color_order;
- unsigned int pixel_order;
- unsigned int xsize;
- unsigned int ysize;
- unsigned int colorkey_mode;
- unsigned int double_buffer_mode;
- unsigned int ram_array_mode;
- unsigned int xscale;
- unsigned int yscale;
- unsigned int enable;
-};
-
-
-struct au1200_lcd_iodata_t {
- unsigned int subcmd;
- struct au1200_lcd_global_regs_t global;
- struct au1200_lcd_window_regs_t window;
-};
-
-#if defined(__BIG_ENDIAN)
-#define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_11
-#else
-#define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_00
-#endif
-#define LCD_CONTROL_DEFAULT_SBPPF LCD_CONTROL_SBPPF_565
-
-/* Private, per-framebuffer management information (independent of the panel itself) */
-struct au1200fb_device {
- struct fb_info fb_info; /* FB driver info record */
-
- int plane;
- unsigned char* fb_mem; /* FrameBuffer memory map */
- unsigned int fb_len;
- dma_addr_t fb_phys;
-};
-
-static struct au1200fb_device _au1200fb_devices[CONFIG_FB_AU1200_DEVS];
-/********************************************************************/
-
-/* LCD controller restrictions */
-#define AU1200_LCD_MAX_XRES 1280
-#define AU1200_LCD_MAX_YRES 1024
-#define AU1200_LCD_MAX_BPP 32
-#define AU1200_LCD_MAX_CLK 96000000 /* fixme: this needs to go away ? */
-#define AU1200_LCD_NBR_PALETTE_ENTRIES 256
-
-/* Default number of visible screen buffer to allocate */
-#define AU1200FB_NBR_VIDEO_BUFFERS 1
-
-/********************************************************************/
-
-static struct au1200_lcd *lcd = (struct au1200_lcd *) AU1200_LCD_ADDR;
-static int window_index = 2; /* default is zero */
-static int panel_index = 2; /* default is zero */
-static struct window_settings *win;
-static struct panel_settings *panel;
-static int noblanking = 1;
-static int nohwcursor = 0;
-
-struct window_settings {
- unsigned char name[64];
- uint32 mode_backcolor;
- uint32 mode_colorkey;
- uint32 mode_colorkeymsk;
- struct {
- int xres;
- int yres;
- int xpos;
- int ypos;
- uint32 mode_winctrl1; /* winctrl1[FRM,CCO,PO,PIPE] */
- uint32 mode_winenable;
- } w[4];
-};
-
-#if defined(__BIG_ENDIAN)
-#define LCD_WINCTRL1_PO_16BPP LCD_WINCTRL1_PO_00
-#else
-#define LCD_WINCTRL1_PO_16BPP LCD_WINCTRL1_PO_01
-#endif
-
-extern int board_au1200fb_panel_init (void);
-extern int board_au1200fb_panel_shutdown (void);
-
-#ifdef CONFIG_PM
-int au1200fb_pm_callback(au1xxx_power_dev_t *dev,
- au1xxx_request_t request, void *data);
-au1xxx_power_dev_t *LCD_pm_dev;
-#endif
-
-/*
- * Default window configurations
- */
-static struct window_settings windows[] = {
- { /* Index 0 */
- "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx",
- /* mode_backcolor */ 0x006600ff,
- /* mode_colorkey,msk*/ 0, 0,
- {
- {
- /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
- /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
- LCD_WINCTRL1_PO_16BPP,
- /* mode_winenable*/ LCD_WINENABLE_WEN0,
- },
- {
- /* xres, yres, xpos, ypos */ 100, 100, 100, 100,
- /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
- LCD_WINCTRL1_PO_16BPP |
- LCD_WINCTRL1_PIPE,
- /* mode_winenable*/ LCD_WINENABLE_WEN1,
- },
- {
- /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
- /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
- LCD_WINCTRL1_PO_16BPP,
- /* mode_winenable*/ 0,
- },
- {
- /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
- /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
- LCD_WINCTRL1_PO_16BPP |
- LCD_WINCTRL1_PIPE,
- /* mode_winenable*/ 0,
- },
- },
- },
-
- { /* Index 1 */
- "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx",
- /* mode_backcolor */ 0x006600ff,
- /* mode_colorkey,msk*/ 0, 0,
- {
- {
- /* xres, yres, xpos, ypos */ 320, 240, 5, 5,
- /* mode_winctrl1 */ LCD_WINCTRL1_FRM_24BPP |
- LCD_WINCTRL1_PO_00,
- /* mode_winenable*/ LCD_WINENABLE_WEN0,
- },
- {
- /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
- /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565
- | LCD_WINCTRL1_PO_16BPP,
- /* mode_winenable*/ 0,
- },
- {
- /* xres, yres, xpos, ypos */ 100, 100, 0, 0,
- /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
- LCD_WINCTRL1_PO_16BPP |
- LCD_WINCTRL1_PIPE,
- /* mode_winenable*/ 0/*LCD_WINENABLE_WEN2*/,
- },
- {
- /* xres, yres, xpos, ypos */ 200, 25, 0, 0,
- /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
- LCD_WINCTRL1_PO_16BPP |
- LCD_WINCTRL1_PIPE,
- /* mode_winenable*/ 0,
- },
- },
- },
- { /* Index 2 */
- "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx",
- /* mode_backcolor */ 0x006600ff,
- /* mode_colorkey,msk*/ 0, 0,
- {
- {
- /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
- /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
- LCD_WINCTRL1_PO_16BPP,
- /* mode_winenable*/ LCD_WINENABLE_WEN0,
- },
- {
- /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
- /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
- LCD_WINCTRL1_PO_16BPP,
- /* mode_winenable*/ 0,
- },
- {
- /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
- /* mode_winctrl1 */ LCD_WINCTRL1_FRM_32BPP |
- LCD_WINCTRL1_PO_00|LCD_WINCTRL1_PIPE,
- /* mode_winenable*/ 0/*LCD_WINENABLE_WEN2*/,
- },
- {
- /* xres, yres, xpos, ypos */ 0, 0, 0, 0,
- /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
- LCD_WINCTRL1_PO_16BPP |
- LCD_WINCTRL1_PIPE,
- /* mode_winenable*/ 0,
- },
- },
- },
- /* Need VGA 640 @ 24bpp, @ 32bpp */
- /* Need VGA 800 @ 24bpp, @ 32bpp */
- /* Need VGA 1024 @ 24bpp, @ 32bpp */
-};
-
-/*
- * Controller configurations for various panels.
- */
-
-struct panel_settings
-{
- const char name[25]; /* Full name <vendor>_<model> */
-
- struct fb_monspecs monspecs; /* FB monitor specs */
-
- /* panel timings */
- uint32 mode_screen;
- uint32 mode_horztiming;
- uint32 mode_verttiming;
- uint32 mode_clkcontrol;
- uint32 mode_pwmdiv;
- uint32 mode_pwmhi;
- uint32 mode_outmask;
- uint32 mode_fifoctrl;
- uint32 mode_toyclksrc;
- uint32 mode_backlight;
- uint32 mode_auxpll;
- int (*device_init)(void);
- int (*device_shutdown)(void);
-#define Xres min_xres
-#define Yres min_yres
- u32 min_xres; /* Minimum horizontal resolution */
- u32 max_xres; /* Maximum horizontal resolution */
- u32 min_yres; /* Minimum vertical resolution */
- u32 max_yres; /* Maximum vertical resolution */
-};
-
-/********************************************************************/
-/* fixme: Maybe a modedb for the CRT ? otherwise panels should be as-is */
-
-/* List of panels known to work with the AU1200 LCD controller.
- * To add a new panel, enter the same specifications as the
- * Generic_TFT one, and MAKE SURE that it doesn't conflicts
- * with the controller restrictions. Restrictions are:
- *
- * STN color panels: max_bpp <= 12
- * STN mono panels: max_bpp <= 4
- * TFT panels: max_bpp <= 16
- * max_xres <= 800
- * max_yres <= 600
- */
-static struct panel_settings known_lcd_panels[] =
-{
- [0] = { /* QVGA 320x240 H:33.3kHz V:110Hz */
- .name = "QVGA_320x240",
- .monspecs = {
- .modedb = NULL,
- .modedb_len = 0,
- .hfmin = 30000,
- .hfmax = 70000,
- .vfmin = 60,
- .vfmax = 60,
- .dclkmin = 6000000,
- .dclkmax = 28000000,
- .input = FB_DISP_RGB,
- },
- .mode_screen = LCD_SCREEN_SX_N(320) |
- LCD_SCREEN_SY_N(240),
- .mode_horztiming = 0x00c4623b,
- .mode_verttiming = 0x00502814,
- .mode_clkcontrol = 0x00020002, /* /4=24Mhz */
- .mode_pwmdiv = 0x00000000,
- .mode_pwmhi = 0x00000000,
- .mode_outmask = 0x00FFFFFF,
- .mode_fifoctrl = 0x2f2f2f2f,
- .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
- .mode_backlight = 0x00000000,
- .mode_auxpll = 8, /* 96MHz AUXPLL */
- .device_init = NULL,
- .device_shutdown = NULL,
- 320, 320,
- 240, 240,
- },
-
- [1] = { /* VGA 640x480 H:30.3kHz V:58Hz */
- .name = "VGA_640x480",
- .monspecs = {
- .modedb = NULL,
- .modedb_len = 0,
- .hfmin = 30000,
- .hfmax = 70000,
- .vfmin = 60,
- .vfmax = 60,
- .dclkmin = 6000000,
- .dclkmax = 28000000,
- .input = FB_DISP_RGB,
- },
- .mode_screen = 0x13f9df80,
- .mode_horztiming = 0x003c5859,
- .mode_verttiming = 0x00741201,
- .mode_clkcontrol = 0x00020001, /* /4=24Mhz */
- .mode_pwmdiv = 0x00000000,
- .mode_pwmhi = 0x00000000,
- .mode_outmask = 0x00FFFFFF,
- .mode_fifoctrl = 0x2f2f2f2f,
- .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
- .mode_backlight = 0x00000000,
- .mode_auxpll = 8, /* 96MHz AUXPLL */
- .device_init = NULL,
- .device_shutdown = NULL,
- 640, 480,
- 640, 480,
- },
-
- [2] = { /* SVGA 800x600 H:46.1kHz V:69Hz */
- .name = "SVGA_800x600",
- .monspecs = {
- .modedb = NULL,
- .modedb_len = 0,
- .hfmin = 30000,
- .hfmax = 70000,
- .vfmin = 60,
- .vfmax = 60,
- .dclkmin = 6000000,
- .dclkmax = 28000000,
- .input = FB_DISP_RGB,
- },
- .mode_screen = 0x18fa5780,
- .mode_horztiming = 0x00dc7e77,
- .mode_verttiming = 0x00584805,
- .mode_clkcontrol = 0x00020000, /* /2=48Mhz */
- .mode_pwmdiv = 0x00000000,
- .mode_pwmhi = 0x00000000,
- .mode_outmask = 0x00FFFFFF,
- .mode_fifoctrl = 0x2f2f2f2f,
- .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
- .mode_backlight = 0x00000000,
- .mode_auxpll = 8, /* 96MHz AUXPLL */
- .device_init = NULL,
- .device_shutdown = NULL,
- 800, 800,
- 600, 600,
- },
-
- [3] = { /* XVGA 1024x768 H:56.2kHz V:70Hz */
- .name = "XVGA_1024x768",
- .monspecs = {
- .modedb = NULL,
- .modedb_len = 0,
- .hfmin = 30000,
- .hfmax = 70000,
- .vfmin = 60,
- .vfmax = 60,
- .dclkmin = 6000000,
- .dclkmax = 28000000,
- .input = FB_DISP_RGB,
- },
- .mode_screen = 0x1ffaff80,
- .mode_horztiming = 0x007d0e57,
- .mode_verttiming = 0x00740a01,
- .mode_clkcontrol = 0x000A0000, /* /1 */
- .mode_pwmdiv = 0x00000000,
- .mode_pwmhi = 0x00000000,
- .mode_outmask = 0x00FFFFFF,
- .mode_fifoctrl = 0x2f2f2f2f,
- .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
- .mode_backlight = 0x00000000,
- .mode_auxpll = 6, /* 72MHz AUXPLL */
- .device_init = NULL,
- .device_shutdown = NULL,
- 1024, 1024,
- 768, 768,
- },
-
- [4] = { /* XVGA XVGA 1280x1024 H:68.5kHz V:65Hz */
- .name = "XVGA_1280x1024",
- .monspecs = {
- .modedb = NULL,
- .modedb_len = 0,
- .hfmin = 30000,
- .hfmax = 70000,
- .vfmin = 60,
- .vfmax = 60,
- .dclkmin = 6000000,
- .dclkmax = 28000000,
- .input = FB_DISP_RGB,
- },
- .mode_screen = 0x27fbff80,
- .mode_horztiming = 0x00cdb2c7,
- .mode_verttiming = 0x00600002,
- .mode_clkcontrol = 0x000A0000, /* /1 */
- .mode_pwmdiv = 0x00000000,
- .mode_pwmhi = 0x00000000,
- .mode_outmask = 0x00FFFFFF,
- .mode_fifoctrl = 0x2f2f2f2f,
- .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
- .mode_backlight = 0x00000000,
- .mode_auxpll = 10, /* 120MHz AUXPLL */
- .device_init = NULL,
- .device_shutdown = NULL,
- 1280, 1280,
- 1024, 1024,
- },
-
- [5] = { /* Samsung 1024x768 TFT */
- .name = "Samsung_1024x768_TFT",
- .monspecs = {
- .modedb = NULL,
- .modedb_len = 0,
- .hfmin = 30000,
- .hfmax = 70000,
- .vfmin = 60,
- .vfmax = 60,
- .dclkmin = 6000000,
- .dclkmax = 28000000,
- .input = FB_DISP_RGB,
- },
- .mode_screen = 0x1ffaff80,
- .mode_horztiming = 0x018cc677,
- .mode_verttiming = 0x00241217,
- .mode_clkcontrol = 0x00000000, /* SCB 0x1 /4=24Mhz */
- .mode_pwmdiv = 0x8000063f, /* SCB 0x0 */
- .mode_pwmhi = 0x03400000, /* SCB 0x0 */
- .mode_outmask = 0x00FFFFFF,
- .mode_fifoctrl = 0x2f2f2f2f,
- .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
- .mode_backlight = 0x00000000,
- .mode_auxpll = 8, /* 96MHz AUXPLL */
- .device_init = board_au1200fb_panel_init,
- .device_shutdown = board_au1200fb_panel_shutdown,
- 1024, 1024,
- 768, 768,
- },
-
- [6] = { /* Toshiba 640x480 TFT */
- .name = "Toshiba_640x480_TFT",
- .monspecs = {
- .modedb = NULL,
- .modedb_len = 0,
- .hfmin = 30000,
- .hfmax = 70000,
- .vfmin = 60,
- .vfmax = 60,
- .dclkmin = 6000000,
- .dclkmax = 28000000,
- .input = FB_DISP_RGB,
- },
- .mode_screen = LCD_SCREEN_SX_N(640) |
- LCD_SCREEN_SY_N(480),
- .mode_horztiming = LCD_HORZTIMING_HPW_N(96) |
- LCD_HORZTIMING_HND1_N(13) | LCD_HORZTIMING_HND2_N(51),
- .mode_verttiming = LCD_VERTTIMING_VPW_N(2) |
- LCD_VERTTIMING_VND1_N(11) | LCD_VERTTIMING_VND2_N(32),
- .mode_clkcontrol = 0x00000000, /* /4=24Mhz */
- .mode_pwmdiv = 0x8000063f,
- .mode_pwmhi = 0x03400000,
- .mode_outmask = 0x00fcfcfc,
- .mode_fifoctrl = 0x2f2f2f2f,
- .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
- .mode_backlight = 0x00000000,
- .mode_auxpll = 8, /* 96MHz AUXPLL */
- .device_init = board_au1200fb_panel_init,
- .device_shutdown = board_au1200fb_panel_shutdown,
- 640, 480,
- 640, 480,
- },
-
- [7] = { /* Sharp 320x240 TFT */
- .name = "Sharp_320x240_TFT",
- .monspecs = {
- .modedb = NULL,
- .modedb_len = 0,
- .hfmin = 12500,
- .hfmax = 20000,
- .vfmin = 38,
- .vfmax = 81,
- .dclkmin = 4500000,
- .dclkmax = 6800000,
- .input = FB_DISP_RGB,
- },
- .mode_screen = LCD_SCREEN_SX_N(320) |
- LCD_SCREEN_SY_N(240),
- .mode_horztiming = LCD_HORZTIMING_HPW_N(60) |
- LCD_HORZTIMING_HND1_N(13) | LCD_HORZTIMING_HND2_N(2),
- .mode_verttiming = LCD_VERTTIMING_VPW_N(2) |
- LCD_VERTTIMING_VND1_N(2) | LCD_VERTTIMING_VND2_N(5),
- .mode_clkcontrol = LCD_CLKCONTROL_PCD_N(7), /*16=6Mhz*/
- .mode_pwmdiv = 0x8000063f,
- .mode_pwmhi = 0x03400000,
- .mode_outmask = 0x00fcfcfc,
- .mode_fifoctrl = 0x2f2f2f2f,
- .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
- .mode_backlight = 0x00000000,
- .mode_auxpll = 8, /* 96MHz AUXPLL */
- .device_init = board_au1200fb_panel_init,
- .device_shutdown = board_au1200fb_panel_shutdown,
- 320, 320,
- 240, 240,
- },
-
- [8] = { /* Toppoly TD070WGCB2 7" 856x480 TFT */
- .name = "Toppoly_TD070WGCB2",
- .monspecs = {
- .modedb = NULL,
- .modedb_len = 0,
- .hfmin = 30000,
- .hfmax = 70000,
- .vfmin = 60,
- .vfmax = 60,
- .dclkmin = 6000000,
- .dclkmax = 28000000,
- .input = FB_DISP_RGB,
- },
- .mode_screen = LCD_SCREEN_SX_N(856) |
- LCD_SCREEN_SY_N(480),
- .mode_horztiming = LCD_HORZTIMING_HND2_N(43) |
- LCD_HORZTIMING_HND1_N(43) | LCD_HORZTIMING_HPW_N(114),
- .mode_verttiming = LCD_VERTTIMING_VND2_N(20) |
- LCD_VERTTIMING_VND1_N(21) | LCD_VERTTIMING_VPW_N(4),
- .mode_clkcontrol = 0x00020001, /* /4=24Mhz */
- .mode_pwmdiv = 0x8000063f,
- .mode_pwmhi = 0x03400000,
- .mode_outmask = 0x00fcfcfc,
- .mode_fifoctrl = 0x2f2f2f2f,
- .mode_toyclksrc = 0x00000004, /* AUXPLL directly */
- .mode_backlight = 0x00000000,
- .mode_auxpll = 8, /* 96MHz AUXPLL */
- .device_init = board_au1200fb_panel_init,
- .device_shutdown = board_au1200fb_panel_shutdown,
- 856, 856,
- 480, 480,
- },
-};
-
-#define NUM_PANELS (ARRAY_SIZE(known_lcd_panels))
-
-/********************************************************************/
-
-#ifdef CONFIG_PM
-static int set_brightness(unsigned int brightness)
-{
- unsigned int hi1, divider;
-
- /* limit brightness pwm duty to >= 30/1600 */
- if (brightness < 30) {
- brightness = 30;
- }
- divider = (lcd->pwmdiv & 0x3FFFF) + 1;
- hi1 = (lcd->pwmhi >> 16) + 1;
- hi1 = (((brightness & 0xFF) + 1) * divider >> 8);
- lcd->pwmhi &= 0xFFFF;
- lcd->pwmhi |= (hi1 << 16);
-
- return brightness;
-}
-#endif /* CONFIG_PM */
-
-static int winbpp (unsigned int winctrl1)
-{
- int bits = 0;
-
- /* how many bits are needed for each pixel format */
- switch (winctrl1 & LCD_WINCTRL1_FRM) {
- case LCD_WINCTRL1_FRM_1BPP:
- bits = 1;
- break;
- case LCD_WINCTRL1_FRM_2BPP:
- bits = 2;
- break;
- case LCD_WINCTRL1_FRM_4BPP:
- bits = 4;
- break;
- case LCD_WINCTRL1_FRM_8BPP:
- bits = 8;
- break;
- case LCD_WINCTRL1_FRM_12BPP:
- case LCD_WINCTRL1_FRM_16BPP655:
- case LCD_WINCTRL1_FRM_16BPP565:
- case LCD_WINCTRL1_FRM_16BPP556:
- case LCD_WINCTRL1_FRM_16BPPI1555:
- case LCD_WINCTRL1_FRM_16BPPI5551:
- case LCD_WINCTRL1_FRM_16BPPA1555:
- case LCD_WINCTRL1_FRM_16BPPA5551:
- bits = 16;
- break;
- case LCD_WINCTRL1_FRM_24BPP:
- case LCD_WINCTRL1_FRM_32BPP:
- bits = 32;
- break;
- }
-
- return bits;
-}
-
-static int fbinfo2index (struct fb_info *fb_info)
-{
- int i;
-
- for (i = 0; i < CONFIG_FB_AU1200_DEVS; ++i) {
- if (fb_info == (struct fb_info *)(&_au1200fb_devices[i].fb_info))
- return i;
- }
- printk("au1200fb: ERROR: fbinfo2index failed!\n");
- return -1;
-}
-
-static int au1200_setlocation (struct au1200fb_device *fbdev, int plane,
- int xpos, int ypos)
-{
- uint32 winctrl0, winctrl1, winenable, fb_offset = 0;
- int xsz, ysz;
-
- /* FIX!!! NOT CHECKING FOR COMPLETE OFFSCREEN YET */
-
- winctrl0 = lcd->window[plane].winctrl0;
- winctrl1 = lcd->window[plane].winctrl1;
- winctrl0 &= (LCD_WINCTRL0_A | LCD_WINCTRL0_AEN);
- winctrl1 &= ~(LCD_WINCTRL1_SZX | LCD_WINCTRL1_SZY);
-
- /* Check for off-screen adjustments */
- xsz = win->w[plane].xres;
- ysz = win->w[plane].yres;
- if ((xpos + win->w[plane].xres) > panel->Xres) {
- /* Off-screen to the right */
- xsz = panel->Xres - xpos; /* off by 1 ??? */
- /*printk("off screen right\n");*/
- }
-
- if ((ypos + win->w[plane].yres) > panel->Yres) {
- /* Off-screen to the bottom */
- ysz = panel->Yres - ypos; /* off by 1 ??? */
- /*printk("off screen bottom\n");*/
- }
-
- if (xpos < 0) {
- /* Off-screen to the left */
- xsz = win->w[plane].xres + xpos;
- fb_offset += (((0 - xpos) * winbpp(lcd->window[plane].winctrl1))/8);
- xpos = 0;
- /*printk("off screen left\n");*/
- }
-
- if (ypos < 0) {
- /* Off-screen to the top */
- ysz = win->w[plane].yres + ypos;
- /* fixme: fb_offset += ((0-ypos)*fb_pars[plane].line_length); */
- ypos = 0;
- /*printk("off screen top\n");*/
- }
-
- /* record settings */
- win->w[plane].xpos = xpos;
- win->w[plane].ypos = ypos;
-
- xsz -= 1;
- ysz -= 1;
- winctrl0 |= (xpos << 21);
- winctrl0 |= (ypos << 10);
- winctrl1 |= (xsz << 11);
- winctrl1 |= (ysz << 0);
-
- /* Disable the window while making changes, then restore WINEN */
- winenable = lcd->winenable & (1 << plane);
- au_sync();
- lcd->winenable &= ~(1 << plane);
- lcd->window[plane].winctrl0 = winctrl0;
- lcd->window[plane].winctrl1 = winctrl1;
- lcd->window[plane].winbuf0 =
- lcd->window[plane].winbuf1 = fbdev->fb_phys;
- lcd->window[plane].winbufctrl = 0; /* select winbuf0 */
- lcd->winenable |= winenable;
- au_sync();
-
- return 0;
-}
-
-static void au1200_setpanel (struct panel_settings *newpanel)
-{
- /*
- * Perform global setup/init of LCD controller
- */
- uint32 winenable;
-
- /* Make sure all windows disabled */
- winenable = lcd->winenable;
- lcd->winenable = 0;
- au_sync();
- /*
- * Ensure everything is disabled before reconfiguring
- */
- if (lcd->screen & LCD_SCREEN_SEN) {
- /* Wait for vertical sync period */
- lcd->intstatus = LCD_INT_SS;
- while ((lcd->intstatus & LCD_INT_SS) == 0) {
- au_sync();
- }
-
- lcd->screen &= ~LCD_SCREEN_SEN; /*disable the controller*/
-
- do {
- lcd->intstatus = lcd->intstatus; /*clear interrupts*/
- au_sync();
- /*wait for controller to shut down*/
- } while ((lcd->intstatus & LCD_INT_SD) == 0);
-
- /* Call shutdown of current panel (if up) */
- /* this must occur last, because if an external clock is driving
- the controller, the clock cannot be turned off before first
- shutting down the controller.
- */
- if (panel->device_shutdown != NULL)
- panel->device_shutdown();
- }
-
- /* Newpanel == NULL indicates a shutdown operation only */
- if (newpanel == NULL)
- return;
-
- panel = newpanel;
-
- printk("Panel(%s), %dx%d\n", panel->name, panel->Xres, panel->Yres);
-
- /*
- * Setup clocking if internal LCD clock source (assumes sys_auxpll valid)
- */
- if (!(panel->mode_clkcontrol & LCD_CLKCONTROL_EXT))
- {
- uint32 sys_clksrc;
- au_writel(panel->mode_auxpll, SYS_AUXPLL);
- sys_clksrc = au_readl(SYS_CLKSRC) & ~0x0000001f;
- sys_clksrc |= panel->mode_toyclksrc;
- au_writel(sys_clksrc, SYS_CLKSRC);
- }
-
- /*
- * Configure panel timings
- */
- lcd->screen = panel->mode_screen;
- lcd->horztiming = panel->mode_horztiming;
- lcd->verttiming = panel->mode_verttiming;
- lcd->clkcontrol = panel->mode_clkcontrol;
- lcd->pwmdiv = panel->mode_pwmdiv;
- lcd->pwmhi = panel->mode_pwmhi;
- lcd->outmask = panel->mode_outmask;
- lcd->fifoctrl = panel->mode_fifoctrl;
- au_sync();
-
- /* fixme: Check window settings to make sure still valid
- * for new geometry */
-#if 0
- au1200_setlocation(fbdev, 0, win->w[0].xpos, win->w[0].ypos);
- au1200_setlocation(fbdev, 1, win->w[1].xpos, win->w[1].ypos);
- au1200_setlocation(fbdev, 2, win->w[2].xpos, win->w[2].ypos);
- au1200_setlocation(fbdev, 3, win->w[3].xpos, win->w[3].ypos);
-#endif
- lcd->winenable = winenable;
-
- /*
- * Re-enable screen now that it is configured
- */
- lcd->screen |= LCD_SCREEN_SEN;
- au_sync();
-
- /* Call init of panel */
- if (panel->device_init != NULL) panel->device_init();
-
- /* FIX!!!! not appropriate on panel change!!! Global setup/init */
- lcd->intenable = 0;
- lcd->intstatus = ~0;
- lcd->backcolor = win->mode_backcolor;
-
- /* Setup Color Key - FIX!!! */
- lcd->colorkey = win->mode_colorkey;
- lcd->colorkeymsk = win->mode_colorkeymsk;
-
- /* Setup HWCursor - FIX!!! Need to support this eventually */
- lcd->hwc.cursorctrl = 0;
- lcd->hwc.cursorpos = 0;
- lcd->hwc.cursorcolor0 = 0;
- lcd->hwc.cursorcolor1 = 0;
- lcd->hwc.cursorcolor2 = 0;
- lcd->hwc.cursorcolor3 = 0;
-
-
-#if 0
-#define D(X) printk("%25s: %08X\n", #X, X)
- D(lcd->screen);
- D(lcd->horztiming);
- D(lcd->verttiming);
- D(lcd->clkcontrol);
- D(lcd->pwmdiv);
- D(lcd->pwmhi);
- D(lcd->outmask);
- D(lcd->fifoctrl);
- D(lcd->window[0].winctrl0);
- D(lcd->window[0].winctrl1);
- D(lcd->window[0].winctrl2);
- D(lcd->window[0].winbuf0);
- D(lcd->window[0].winbuf1);
- D(lcd->window[0].winbufctrl);
- D(lcd->window[1].winctrl0);
- D(lcd->window[1].winctrl1);
- D(lcd->window[1].winctrl2);
- D(lcd->window[1].winbuf0);
- D(lcd->window[1].winbuf1);
- D(lcd->window[1].winbufctrl);
- D(lcd->window[2].winctrl0);
- D(lcd->window[2].winctrl1);
- D(lcd->window[2].winctrl2);
- D(lcd->window[2].winbuf0);
- D(lcd->window[2].winbuf1);
- D(lcd->window[2].winbufctrl);
- D(lcd->window[3].winctrl0);
- D(lcd->window[3].winctrl1);
- D(lcd->window[3].winctrl2);
- D(lcd->window[3].winbuf0);
- D(lcd->window[3].winbuf1);
- D(lcd->window[3].winbufctrl);
- D(lcd->winenable);
- D(lcd->intenable);
- D(lcd->intstatus);
- D(lcd->backcolor);
- D(lcd->winenable);
- D(lcd->colorkey);
- D(lcd->colorkeymsk);
- D(lcd->hwc.cursorctrl);
- D(lcd->hwc.cursorpos);
- D(lcd->hwc.cursorcolor0);
- D(lcd->hwc.cursorcolor1);
- D(lcd->hwc.cursorcolor2);
- D(lcd->hwc.cursorcolor3);
-#endif
-}
-
-static void au1200_setmode(struct au1200fb_device *fbdev)
-{
- int plane = fbdev->plane;
- /* Window/plane setup */
- lcd->window[plane].winctrl1 = ( 0
- | LCD_WINCTRL1_PRI_N(plane)
- | win->w[plane].mode_winctrl1 /* FRM,CCO,PO,PIPE */
- ) ;
-
- au1200_setlocation(fbdev, plane, win->w[plane].xpos, win->w[plane].ypos);
-
- lcd->window[plane].winctrl2 = ( 0
- | LCD_WINCTRL2_CKMODE_00
- | LCD_WINCTRL2_DBM
- | LCD_WINCTRL2_BX_N( fbdev->fb_info.fix.line_length)
- | LCD_WINCTRL2_SCX_1
- | LCD_WINCTRL2_SCY_1
- ) ;
- lcd->winenable |= win->w[plane].mode_winenable;
- au_sync();
-}
-
-
-/* Inline helpers */
-
-/*#define panel_is_dual(panel) ((panel->mode_screen & LCD_SCREEN_PT) == LCD_SCREEN_PT_010)*/
-/*#define panel_is_active(panel)((panel->mode_screen & LCD_SCREEN_PT) == LCD_SCREEN_PT_010)*/
-
-#define panel_is_color(panel) ((panel->mode_screen & LCD_SCREEN_PT) <= LCD_SCREEN_PT_CDSTN)
-
-/* Bitfields format supported by the controller. */
-static struct fb_bitfield rgb_bitfields[][4] = {
- /* Red, Green, Blue, Transp */
- [LCD_WINCTRL1_FRM_16BPP655 >> 25] =
- { { 10, 6, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 0, 0, 0 } },
-
- [LCD_WINCTRL1_FRM_16BPP565 >> 25] =
- { { 11, 5, 0 }, { 5, 6, 0 }, { 0, 5, 0 }, { 0, 0, 0 } },
-
- [LCD_WINCTRL1_FRM_16BPP556 >> 25] =
- { { 11, 5, 0 }, { 6, 5, 0 }, { 0, 6, 0 }, { 0, 0, 0 } },
-
- [LCD_WINCTRL1_FRM_16BPPI1555 >> 25] =
- { { 10, 5, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 0, 0, 0 } },
-
- [LCD_WINCTRL1_FRM_16BPPI5551 >> 25] =
- { { 11, 5, 0 }, { 6, 5, 0 }, { 1, 5, 0 }, { 0, 0, 0 } },
-
- [LCD_WINCTRL1_FRM_16BPPA1555 >> 25] =
- { { 10, 5, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 15, 1, 0 } },
-
- [LCD_WINCTRL1_FRM_16BPPA5551 >> 25] =
- { { 11, 5, 0 }, { 6, 5, 0 }, { 1, 5, 0 }, { 0, 1, 0 } },
-
- [LCD_WINCTRL1_FRM_24BPP >> 25] =
- { { 16, 8, 0 }, { 8, 8, 0 }, { 0, 8, 0 }, { 0, 0, 0 } },
-
- [LCD_WINCTRL1_FRM_32BPP >> 25] =
- { { 16, 8, 0 }, { 8, 8, 0 }, { 0, 8, 0 }, { 24, 0, 0 } },
-};
-
-/*-------------------------------------------------------------------------*/
-
-/* Helpers */
-
-static void au1200fb_update_fbinfo(struct fb_info *fbi)
-{
- /* FIX!!!! This also needs to take the window pixel format into account!!! */
-
- /* Update var-dependent FB info */
- if (panel_is_color(panel)) {
- if (fbi->var.bits_per_pixel <= 8) {
- /* palettized */
- fbi->fix.visual = FB_VISUAL_PSEUDOCOLOR;
- fbi->fix.line_length = fbi->var.xres_virtual /
- (8/fbi->var.bits_per_pixel);
- } else {
- /* non-palettized */
- fbi->fix.visual = FB_VISUAL_TRUECOLOR;
- fbi->fix.line_length = fbi->var.xres_virtual * (fbi->var.bits_per_pixel / 8);
- }
- } else {
- /* mono FIX!!! mono 8 and 4 bits */
- fbi->fix.visual = FB_VISUAL_MONO10;
- fbi->fix.line_length = fbi->var.xres_virtual / 8;
- }
-
- fbi->screen_size = fbi->fix.line_length * fbi->var.yres_virtual;
- print_dbg("line length: %d\n", fbi->fix.line_length);
- print_dbg("bits_per_pixel: %d\n", fbi->var.bits_per_pixel);
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* AU1200 framebuffer driver */
-
-/* fb_check_var
- * Validate var settings with hardware restrictions and modify it if necessary
- */
-static int au1200fb_fb_check_var(struct fb_var_screeninfo *var,
- struct fb_info *fbi)
-{
- struct au1200fb_device *fbdev = (struct au1200fb_device *)fbi;
- u32 pixclock;
- int screen_size, plane;
-
- plane = fbdev->plane;
-
- /* Make sure that the mode respect all LCD controller and
- * panel restrictions. */
- var->xres = win->w[plane].xres;
- var->yres = win->w[plane].yres;
-
- /* No need for virtual resolution support */
- var->xres_virtual = var->xres;
- var->yres_virtual = var->yres;
-
- var->bits_per_pixel = winbpp(win->w[plane].mode_winctrl1);
-
- screen_size = var->xres_virtual * var->yres_virtual;
- if (var->bits_per_pixel > 8) screen_size *= (var->bits_per_pixel / 8);
- else screen_size /= (8/var->bits_per_pixel);
-
- if (fbdev->fb_len < screen_size)
- return -EINVAL; /* Virtual screen is to big, abort */
-
- /* FIX!!!! what are the implicaitons of ignoring this for windows ??? */
- /* The max LCD clock is fixed to 48MHz (value of AUX_CLK). The pixel
- * clock can only be obtain by dividing this value by an even integer.
- * Fallback to a slower pixel clock if necessary. */
- pixclock = max((u32)(PICOS2KHZ(var->pixclock) * 1000), fbi->monspecs.dclkmin);
- pixclock = min(pixclock, min(fbi->monspecs.dclkmax, (u32)AU1200_LCD_MAX_CLK/2));
-
- if (AU1200_LCD_MAX_CLK % pixclock) {
- int diff = AU1200_LCD_MAX_CLK % pixclock;
- pixclock -= diff;
- }
-
- var->pixclock = KHZ2PICOS(pixclock/1000);
-#if 0
- if (!panel_is_active(panel)) {
- int pcd = AU1200_LCD_MAX_CLK / (pixclock * 2) - 1;
-
- if (!panel_is_color(panel)
- && (panel->control_base & LCD_CONTROL_MPI) && (pcd < 3)) {
- /* STN 8bit mono panel support is up to 6MHz pixclock */
- var->pixclock = KHZ2PICOS(6000);
- } else if (!pcd) {
- /* Other STN panel support is up to 12MHz */
- var->pixclock = KHZ2PICOS(12000);
- }
- }
-#endif
- /* Set bitfield accordingly */
- switch (var->bits_per_pixel) {
- case 16:
- {
- /* 16bpp True color.
- * These must be set to MATCH WINCTRL[FORM] */
- int idx;
- idx = (win->w[0].mode_winctrl1 & LCD_WINCTRL1_FRM) >> 25;
- var->red = rgb_bitfields[idx][0];
- var->green = rgb_bitfields[idx][1];
- var->blue = rgb_bitfields[idx][2];
- var->transp = rgb_bitfields[idx][3];
- break;
- }
-
- case 32:
- {
- /* 32bpp True color.
- * These must be set to MATCH WINCTRL[FORM] */
- int idx;
- idx = (win->w[0].mode_winctrl1 & LCD_WINCTRL1_FRM) >> 25;
- var->red = rgb_bitfields[idx][0];
- var->green = rgb_bitfields[idx][1];
- var->blue = rgb_bitfields[idx][2];
- var->transp = rgb_bitfields[idx][3];
- break;
- }
- default:
- print_dbg("Unsupported depth %dbpp", var->bits_per_pixel);
- return -EINVAL;
- }
-
- return 0;
-}
-
-/* fb_set_par
- * Set hardware with var settings. This will enable the controller with a
- * specific mode, normally validated with the fb_check_var method
- */
-static int au1200fb_fb_set_par(struct fb_info *fbi)
-{
- struct au1200fb_device *fbdev = (struct au1200fb_device *)fbi;
-
- au1200fb_update_fbinfo(fbi);
- au1200_setmode(fbdev);
-
- return 0;
-}
-
-/* fb_setcolreg
- * Set color in LCD palette.
- */
-static int au1200fb_fb_setcolreg(unsigned regno, unsigned red, unsigned green,
- unsigned blue, unsigned transp, struct fb_info *fbi)
-{
- volatile u32 *palette = lcd->palette;
- u32 value;
-
- if (regno > (AU1200_LCD_NBR_PALETTE_ENTRIES - 1))
- return -EINVAL;
-
- if (fbi->var.grayscale) {
- /* Convert color to grayscale */
- red = green = blue =
- (19595 * red + 38470 * green + 7471 * blue) >> 16;
- }
-
- if (fbi->fix.visual == FB_VISUAL_TRUECOLOR) {
- /* Place color in the pseudopalette */
- if (regno > 16)
- return -EINVAL;
-
- palette = (u32*) fbi->pseudo_palette;
-
- red >>= (16 - fbi->var.red.length);
- green >>= (16 - fbi->var.green.length);
- blue >>= (16 - fbi->var.blue.length);
-
- value = (red << fbi->var.red.offset) |
- (green << fbi->var.green.offset)|
- (blue << fbi->var.blue.offset);
- value &= 0xFFFF;
-
- } else if (1 /*FIX!!! panel_is_active(fbdev->panel)*/) {
- /* COLOR TFT PALLETTIZED (use RGB 565) */
- value = (red & 0xF800)|((green >> 5) &
- 0x07E0)|((blue >> 11) & 0x001F);
- value &= 0xFFFF;
-
- } else if (0 /*panel_is_color(fbdev->panel)*/) {
- /* COLOR STN MODE */
- value = 0x1234;
- value &= 0xFFF;
- } else {
- /* MONOCHROME MODE */
- value = (green >> 12) & 0x000F;
- value &= 0xF;
- }
-
- palette[regno] = value;
-
- return 0;
-}
-
-/* fb_blank
- * Blank the screen. Depending on the mode, the screen will be
- * activated with the backlight color, or desactivated
- */
-static int au1200fb_fb_blank(int blank_mode, struct fb_info *fbi)
-{
- /* Short-circuit screen blanking */
- if (noblanking)
- return 0;
-
- switch (blank_mode) {
-
- case FB_BLANK_UNBLANK:
- case FB_BLANK_NORMAL:
- /* printk("turn on panel\n"); */
- au1200_setpanel(panel);
- break;
- case FB_BLANK_VSYNC_SUSPEND:
- case FB_BLANK_HSYNC_SUSPEND:
- case FB_BLANK_POWERDOWN:
- /* printk("turn off panel\n"); */
- au1200_setpanel(NULL);
- break;
- default:
- break;
-
- }
-
- /* FB_BLANK_NORMAL is a soft blank */
- return (blank_mode == FB_BLANK_NORMAL) ? -EINVAL : 0;
-}
-
-/* fb_mmap
- * Map video memory in user space. We don't use the generic fb_mmap
- * method mainly to allow the use of the TLB streaming flag (CCA=6)
- */
-static int au1200fb_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
-
-{
- unsigned int len;
- unsigned long start=0, off;
- struct au1200fb_device *fbdev = (struct au1200fb_device *) info;
-
-#ifdef CONFIG_PM
- au1xxx_pm_access(LCD_pm_dev);
-#endif
-
- if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) {
- return -EINVAL;
- }
-
- start = fbdev->fb_phys & PAGE_MASK;
- len = PAGE_ALIGN((start & ~PAGE_MASK) + fbdev->fb_len);
-
- off = vma->vm_pgoff << PAGE_SHIFT;
-
- if ((vma->vm_end - vma->vm_start + off) > len) {
- return -EINVAL;
- }
-
- off += start;
- vma->vm_pgoff = off >> PAGE_SHIFT;
-
- vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
- pgprot_val(vma->vm_page_prot) |= _CACHE_MASK; /* CCA=7 */
-
- vma->vm_flags |= VM_IO;
-
- return io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
- vma->vm_end - vma->vm_start,
- vma->vm_page_prot);
-
- return 0;
-}
-
-static void set_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata)
-{
-
- unsigned int hi1, divider;
-
- /* SCREEN_SIZE: user cannot reset size, must switch panel choice */
-
- if (pdata->flags & SCREEN_BACKCOLOR)
- lcd->backcolor = pdata->backcolor;
-
- if (pdata->flags & SCREEN_BRIGHTNESS) {
-
- // limit brightness pwm duty to >= 30/1600
- if (pdata->brightness < 30) {
- pdata->brightness = 30;
- }
- divider = (lcd->pwmdiv & 0x3FFFF) + 1;
- hi1 = (lcd->pwmhi >> 16) + 1;
- hi1 = (((pdata->brightness & 0xFF)+1) * divider >> 8);
- lcd->pwmhi &= 0xFFFF;
- lcd->pwmhi |= (hi1 << 16);
- }
-
- if (pdata->flags & SCREEN_COLORKEY)
- lcd->colorkey = pdata->colorkey;
-
- if (pdata->flags & SCREEN_MASK)
- lcd->colorkeymsk = pdata->mask;
- au_sync();
-}
-
-static void get_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata)
-{
- unsigned int hi1, divider;
-
- pdata->xsize = ((lcd->screen & LCD_SCREEN_SX) >> 19) + 1;
- pdata->ysize = ((lcd->screen & LCD_SCREEN_SY) >> 8) + 1;
-
- pdata->backcolor = lcd->backcolor;
- pdata->colorkey = lcd->colorkey;
- pdata->mask = lcd->colorkeymsk;
-
- // brightness
- hi1 = (lcd->pwmhi >> 16) + 1;
- divider = (lcd->pwmdiv & 0x3FFFF) + 1;
- pdata->brightness = ((hi1 << 8) / divider) - 1;
- au_sync();
-}
-
-static void set_window(unsigned int plane,
- struct au1200_lcd_window_regs_t *pdata)
-{
- unsigned int val, bpp;
-
- /* Window control register 0 */
- if (pdata->flags & WIN_POSITION) {
- val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_OX |
- LCD_WINCTRL0_OY);
- val |= ((pdata->xpos << 21) & LCD_WINCTRL0_OX);
- val |= ((pdata->ypos << 10) & LCD_WINCTRL0_OY);
- lcd->window[plane].winctrl0 = val;
- }
- if (pdata->flags & WIN_ALPHA_COLOR) {
- val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_A);
- val |= ((pdata->alpha_color << 2) & LCD_WINCTRL0_A);
- lcd->window[plane].winctrl0 = val;
- }
- if (pdata->flags & WIN_ALPHA_MODE) {
- val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_AEN);
- val |= ((pdata->alpha_mode << 1) & LCD_WINCTRL0_AEN);
- lcd->window[plane].winctrl0 = val;
- }
-
- /* Window control register 1 */
- if (pdata->flags & WIN_PRIORITY) {
- val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PRI);
- val |= ((pdata->priority << 30) & LCD_WINCTRL1_PRI);
- lcd->window[plane].winctrl1 = val;
- }
- if (pdata->flags & WIN_CHANNEL) {
- val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PIPE);
- val |= ((pdata->channel << 29) & LCD_WINCTRL1_PIPE);
- lcd->window[plane].winctrl1 = val;
- }
- if (pdata->flags & WIN_BUFFER_FORMAT) {
- val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_FRM);
- val |= ((pdata->buffer_format << 25) & LCD_WINCTRL1_FRM);
- lcd->window[plane].winctrl1 = val;
- }
- if (pdata->flags & WIN_COLOR_ORDER) {
- val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_CCO);
- val |= ((pdata->color_order << 24) & LCD_WINCTRL1_CCO);
- lcd->window[plane].winctrl1 = val;
- }
- if (pdata->flags & WIN_PIXEL_ORDER) {
- val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PO);
- val |= ((pdata->pixel_order << 22) & LCD_WINCTRL1_PO);
- lcd->window[plane].winctrl1 = val;
- }
- if (pdata->flags & WIN_SIZE) {
- val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_SZX |
- LCD_WINCTRL1_SZY);
- val |= (((pdata->xsize << 11) - 1) & LCD_WINCTRL1_SZX);
- val |= (((pdata->ysize) - 1) & LCD_WINCTRL1_SZY);
- lcd->window[plane].winctrl1 = val;
- /* program buffer line width */
- bpp = winbpp(val) / 8;
- val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_BX);
- val |= (((pdata->xsize * bpp) << 8) & LCD_WINCTRL2_BX);
- lcd->window[plane].winctrl2 = val;
- }
-
- /* Window control register 2 */
- if (pdata->flags & WIN_COLORKEY_MODE) {
- val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_CKMODE);
- val |= ((pdata->colorkey_mode << 24) & LCD_WINCTRL2_CKMODE);
- lcd->window[plane].winctrl2 = val;
- }
- if (pdata->flags & WIN_DOUBLE_BUFFER_MODE) {
- val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_DBM);
- val |= ((pdata->double_buffer_mode << 23) & LCD_WINCTRL2_DBM);
- lcd->window[plane].winctrl2 = val;
- }
- if (pdata->flags & WIN_RAM_ARRAY_MODE) {
- val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_RAM);
- val |= ((pdata->ram_array_mode << 21) & LCD_WINCTRL2_RAM);
- lcd->window[plane].winctrl2 = val;
- }
-
- /* Buffer line width programmed with WIN_SIZE */
-
- if (pdata->flags & WIN_BUFFER_SCALE) {
- val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_SCX |
- LCD_WINCTRL2_SCY);
- val |= ((pdata->xsize << 11) & LCD_WINCTRL2_SCX);
- val |= ((pdata->ysize) & LCD_WINCTRL2_SCY);
- lcd->window[plane].winctrl2 = val;
- }
-
- if (pdata->flags & WIN_ENABLE) {
- val = lcd->winenable;
- val &= ~(1<<plane);
- val |= (pdata->enable & 1) << plane;
- lcd->winenable = val;
- }
- au_sync();
-}
-
-static void get_window(unsigned int plane,
- struct au1200_lcd_window_regs_t *pdata)
-{
- /* Window control register 0 */
- pdata->xpos = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_OX) >> 21;
- pdata->ypos = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_OY) >> 10;
- pdata->alpha_color = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_A) >> 2;
- pdata->alpha_mode = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_AEN) >> 1;
-
- /* Window control register 1 */
- pdata->priority = (lcd->window[plane].winctrl1& LCD_WINCTRL1_PRI) >> 30;
- pdata->channel = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_PIPE) >> 29;
- pdata->buffer_format = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_FRM) >> 25;
- pdata->color_order = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_CCO) >> 24;
- pdata->pixel_order = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_PO) >> 22;
- pdata->xsize = ((lcd->window[plane].winctrl1 & LCD_WINCTRL1_SZX) >> 11) + 1;
- pdata->ysize = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_SZY) + 1;
-
- /* Window control register 2 */
- pdata->colorkey_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_CKMODE) >> 24;
- pdata->double_buffer_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_DBM) >> 23;
- pdata->ram_array_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_RAM) >> 21;
-
- pdata->enable = (lcd->winenable >> plane) & 1;
- au_sync();
-}
-
-static int au1200fb_ioctl(struct fb_info *info, unsigned int cmd,
- unsigned long arg)
-{
- int plane;
- int val;
-
-#ifdef CONFIG_PM
- au1xxx_pm_access(LCD_pm_dev);
-#endif
-
- plane = fbinfo2index(info);
- print_dbg("au1200fb: ioctl %d on plane %d\n", cmd, plane);
-
- if (cmd == AU1200_LCD_FB_IOCTL) {
- struct au1200_lcd_iodata_t iodata;
-
- if (copy_from_user(&iodata, (void __user *) arg, sizeof(iodata)))
- return -EFAULT;
-
- print_dbg("FB IOCTL called\n");
-
- switch (iodata.subcmd) {
- case AU1200_LCD_SET_SCREEN:
- print_dbg("AU1200_LCD_SET_SCREEN\n");
- set_global(cmd, &iodata.global);
- break;
-
- case AU1200_LCD_GET_SCREEN:
- print_dbg("AU1200_LCD_GET_SCREEN\n");
- get_global(cmd, &iodata.global);
- break;
-
- case AU1200_LCD_SET_WINDOW:
- print_dbg("AU1200_LCD_SET_WINDOW\n");
- set_window(plane, &iodata.window);
- break;
-
- case AU1200_LCD_GET_WINDOW:
- print_dbg("AU1200_LCD_GET_WINDOW\n");
- get_window(plane, &iodata.window);
- break;
-
- case AU1200_LCD_SET_PANEL:
- print_dbg("AU1200_LCD_SET_PANEL\n");
- if ((iodata.global.panel_choice >= 0) &&
- (iodata.global.panel_choice <
- NUM_PANELS))
- {
- struct panel_settings *newpanel;
- panel_index = iodata.global.panel_choice;
- newpanel = &known_lcd_panels[panel_index];
- au1200_setpanel(newpanel);
- }
- break;
-
- case AU1200_LCD_GET_PANEL:
- print_dbg("AU1200_LCD_GET_PANEL\n");
- iodata.global.panel_choice = panel_index;
- break;
-
- default:
- return -EINVAL;
- }
-
- val = copy_to_user((void __user *) arg, &iodata, sizeof(iodata));
- if (val) {
- print_dbg("error: could not copy %d bytes\n", val);
- return -EFAULT;
- }
- }
-
- return 0;
-}
-
-
-static struct fb_ops au1200fb_fb_ops = {
- .owner = THIS_MODULE,
- .fb_check_var = au1200fb_fb_check_var,
- .fb_set_par = au1200fb_fb_set_par,
- .fb_setcolreg = au1200fb_fb_setcolreg,
- .fb_blank = au1200fb_fb_blank,
- .fb_fillrect = cfb_fillrect,
- .fb_copyarea = cfb_copyarea,
- .fb_imageblit = cfb_imageblit,
- .fb_sync = NULL,
- .fb_ioctl = au1200fb_ioctl,
- .fb_mmap = au1200fb_fb_mmap,
-};
-
-/*-------------------------------------------------------------------------*/
-
-static irqreturn_t au1200fb_handle_irq(int irq, void* dev_id, struct pt_regs *regs)
-{
- /* Nothing to do for now, just clear any pending interrupt */
- lcd->intstatus = lcd->intstatus;
- au_sync();
-
- return IRQ_HANDLED;
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* AU1200 LCD device probe helpers */
-
-static int au1200fb_init_fbinfo(struct au1200fb_device *fbdev)
-{
- struct fb_info *fbi = &fbdev->fb_info;
- int bpp;
-
- memset(fbi, 0, sizeof(struct fb_info));
- fbi->fbops = &au1200fb_fb_ops;
-
- bpp = winbpp(win->w[fbdev->plane].mode_winctrl1);
-
- /* Copy monitor specs from panel data */
- /* fixme: we're setting up LCD controller windows, so these dont give a
- damn as to what the monitor specs are (the panel itself does, but that
- isnt done here...so maybe need a generic catchall monitor setting??? */
- memcpy(&fbi->monspecs, &panel->monspecs, sizeof(struct fb_monspecs));
-
- /* We first try the user mode passed in argument. If that failed,
- * or if no one has been specified, we default to the first mode of the
- * panel list. Note that after this call, var data will be set */
- if (!fb_find_mode(&fbi->var,
- fbi,
- NULL, /* drv_info.opt_mode, */
- fbi->monspecs.modedb,
- fbi->monspecs.modedb_len,
- fbi->monspecs.modedb,
- bpp)) {
-
- print_err("Cannot find valid mode for panel %s", panel->name);
- return -EFAULT;
- }
-
- fbi->pseudo_palette = kmalloc(sizeof(u32) * 16, GFP_KERNEL);
- if (!fbi->pseudo_palette) {
- return -ENOMEM;
- }
- memset(fbi->pseudo_palette, 0, sizeof(u32) * 16);
-
- if (fb_alloc_cmap(&fbi->cmap, AU1200_LCD_NBR_PALETTE_ENTRIES, 0) < 0) {
- print_err("Fail to allocate colormap (%d entries)",
- AU1200_LCD_NBR_PALETTE_ENTRIES);
- kfree(fbi->pseudo_palette);
- return -EFAULT;
- }
-
- strncpy(fbi->fix.id, "AU1200", sizeof(fbi->fix.id));
- fbi->fix.smem_start = fbdev->fb_phys;
- fbi->fix.smem_len = fbdev->fb_len;
- fbi->fix.type = FB_TYPE_PACKED_PIXELS;
- fbi->fix.xpanstep = 0;
- fbi->fix.ypanstep = 0;
- fbi->fix.mmio_start = 0;
- fbi->fix.mmio_len = 0;
- fbi->fix.accel = FB_ACCEL_NONE;
-
- fbi->screen_base = (char __iomem *) fbdev->fb_mem;
-
- au1200fb_update_fbinfo(fbi);
-
- return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* AU1200 LCD controller device driver */
-
-static int au1200fb_drv_probe(struct device *dev)
-{
- struct au1200fb_device *fbdev;
- unsigned long page;
- int bpp, plane, ret;
-
- if (!dev)
- return -EINVAL;
-
- for (plane = 0; plane < CONFIG_FB_AU1200_DEVS; ++plane) {
- bpp = winbpp(win->w[plane].mode_winctrl1);
- if (win->w[plane].xres == 0)
- win->w[plane].xres = panel->Xres;
- if (win->w[plane].yres == 0)
- win->w[plane].yres = panel->Yres;
-
- fbdev = &_au1200fb_devices[plane];
- memset(fbdev, 0, sizeof(struct au1200fb_device));
- fbdev->plane = plane;
-
- /* Allocate the framebuffer to the maximum screen size */
- fbdev->fb_len = (win->w[plane].xres * win->w[plane].yres * bpp) / 8;
-
- fbdev->fb_mem = dma_alloc_noncoherent(dev,
- PAGE_ALIGN(fbdev->fb_len),
- &fbdev->fb_phys, GFP_KERNEL);
- if (!fbdev->fb_mem) {
- print_err("fail to allocate frambuffer (size: %dK))",
- fbdev->fb_len / 1024);
- return -ENOMEM;
- }
-
- /*
- * Set page reserved so that mmap will work. This is necessary
- * since we'll be remapping normal memory.
- */
- for (page = (unsigned long)fbdev->fb_phys;
- page < PAGE_ALIGN((unsigned long)fbdev->fb_phys +
- fbdev->fb_len);
- page += PAGE_SIZE) {
- SetPageReserved(pfn_to_page(page >> PAGE_SHIFT)); /* LCD DMA is NOT coherent on Au1200 */
- }
- print_dbg("Framebuffer memory map at %p", fbdev->fb_mem);
- print_dbg("phys=0x%08x, size=%dK", fbdev->fb_phys, fbdev->fb_len / 1024);
-
- /* Init FB data */
- if ((ret = au1200fb_init_fbinfo(fbdev)) < 0)
- goto failed;
-
- /* Register new framebuffer */
- if ((ret = register_framebuffer(&fbdev->fb_info)) < 0) {
- print_err("cannot register new framebuffer");
- goto failed;
- }
-
- au1200fb_fb_set_par(&fbdev->fb_info);
-
-#if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
- if (plane == 0)
- if (fb_prepare_logo(&fbdev->fb_info, FB_ROTATE_UR)) {
- /* Start display and show logo on boot */
- fb_set_cmap(&fbdev->fb_info.cmap,
- &fbdev->fb_info);
-
- fb_show_logo(&fbdev->fb_info, FB_ROTATE_UR);
- }
-#endif
- }
-
- /* Now hook interrupt too */
- if ((ret = request_irq(AU1200_LCD_INT, au1200fb_handle_irq,
- SA_INTERRUPT | SA_SHIRQ, "lcd", (void *)dev)) < 0) {
- print_err("fail to request interrupt line %d (err: %d)",
- AU1200_LCD_INT, ret);
- goto failed;
- }
-
- return 0;
-
-failed:
- /* NOTE: This only does the current plane/window that failed; others are still active */
- if (fbdev->fb_mem)
- dma_free_noncoherent(dev, PAGE_ALIGN(fbdev->fb_len),
- fbdev->fb_mem, fbdev->fb_phys);
- if (fbdev->fb_info.cmap.len != 0)
- fb_dealloc_cmap(&fbdev->fb_info.cmap);
- if (fbdev->fb_info.pseudo_palette)
- kfree(fbdev->fb_info.pseudo_palette);
- if (plane == 0)
- free_irq(AU1200_LCD_INT, (void*)dev);
- return ret;
-}
-
-static int au1200fb_drv_remove(struct device *dev)
-{
- struct au1200fb_device *fbdev;
- int plane;
-
- if (!dev)
- return -ENODEV;
-
- /* Turn off the panel */
- au1200_setpanel(NULL);
-
- for (plane = 0; plane < CONFIG_FB_AU1200_DEVS; ++plane)
- {
- fbdev = &_au1200fb_devices[plane];
-
- /* Clean up all probe data */
- unregister_framebuffer(&fbdev->fb_info);
- if (fbdev->fb_mem)
- dma_free_noncoherent(dev, PAGE_ALIGN(fbdev->fb_len),
- fbdev->fb_mem, fbdev->fb_phys);
- if (fbdev->fb_info.cmap.len != 0)
- fb_dealloc_cmap(&fbdev->fb_info.cmap);
- if (fbdev->fb_info.pseudo_palette)
- kfree(fbdev->fb_info.pseudo_palette);
- }
-
- free_irq(AU1200_LCD_INT, (void *)dev);
-
- return 0;
-}
-
-#ifdef CONFIG_PM
-static int au1200fb_drv_suspend(struct device *dev, u32 state, u32 level)
-{
- /* TODO */
- return 0;
-}
-
-static int au1200fb_drv_resume(struct device *dev, u32 level)
-{
- /* TODO */
- return 0;
-}
-#endif /* CONFIG_PM */
-
-static struct device_driver au1200fb_driver = {
- .name = "au1200-lcd",
- .bus = &platform_bus_type,
- .probe = au1200fb_drv_probe,
- .remove = au1200fb_drv_remove,
-#ifdef CONFIG_PM
- .suspend = au1200fb_drv_suspend,
- .resume = au1200fb_drv_resume,
-#endif
-};
-
-/*-------------------------------------------------------------------------*/
-
-/* Kernel driver */
-
-static void au1200fb_setup(void)
-{
- char* options = NULL;
- char* this_opt;
- int num_panels = ARRAY_SIZE(known_lcd_panels);
- int panel_idx = -1;
-
- fb_get_options(DRIVER_NAME, &options);
-
- if (options) {
- while ((this_opt = strsep(&options,",")) != NULL) {
- /* Panel option - can be panel name,
- * "bs" for board-switch, or number/index */
- if (!strncmp(this_opt, "panel:", 6)) {
- int i;
- long int li;
- char *endptr;
- this_opt += 6;
- /* First check for index, which allows
- * to short circuit this mess */
- li = simple_strtol(this_opt, &endptr, 0);
- if (*endptr == '\0') {
- panel_idx = (int)li;
- }
- else if (strcmp(this_opt, "bs") == 0) {
- extern int board_au1200fb_panel(void);
- panel_idx = board_au1200fb_panel();
- }
-
- else
- for (i = 0; i < num_panels; i++) {
- if (!strcmp(this_opt, known_lcd_panels[i].name)) {
- panel_idx = i;
- break;
- }
- }
-
- if ((panel_idx < 0) || (panel_idx >= num_panels)) {
- print_warn("Panel %s not supported!", this_opt);
- }
- else
- panel_index = panel_idx;
- }
-
- else if (strncmp(this_opt, "nohwcursor", 10) == 0) {
- nohwcursor = 1;
- }
-
- /* Unsupported option */
- else {
- print_warn("Unsupported option \"%s\"", this_opt);
- }
- }
- }
-}
-
-#ifdef CONFIG_PM
-static int au1200fb_pm_callback(au1xxx_power_dev_t *dev,
- au1xxx_request_t request, void *data) {
- int retval = -1;
- unsigned int d = 0;
- unsigned int brightness = 0;
-
- if (request == AU1XXX_PM_SLEEP) {
- board_au1200fb_panel_shutdown();
- }
- else if (request == AU1XXX_PM_WAKEUP) {
- if(dev->prev_state == SLEEP_STATE)
- {
- int plane;
- au1200_setpanel(panel);
- for (plane = 0; plane < CONFIG_FB_AU1200_DEVS; ++plane) {
- struct au1200fb_device *fbdev;
- fbdev = &_au1200fb_devices[plane];
- au1200fb_fb_set_par(&fbdev->fb_info);
- }
- }
-
- d = *((unsigned int*)data);
- if(d <=10) brightness = 26;
- else if(d<=20) brightness = 51;
- else if(d<=30) brightness = 77;
- else if(d<=40) brightness = 102;
- else if(d<=50) brightness = 128;
- else if(d<=60) brightness = 153;
- else if(d<=70) brightness = 179;
- else if(d<=80) brightness = 204;
- else if(d<=90) brightness = 230;
- else brightness = 255;
- set_brightness(brightness);
- } else if (request == AU1XXX_PM_GETSTATUS) {
- return dev->cur_state;
- } else if (request == AU1XXX_PM_ACCESS) {
- if (dev->cur_state != SLEEP_STATE)
- return retval;
- else {
- au1200_setpanel(panel);
- }
- } else if (request == AU1XXX_PM_IDLE) {
- } else if (request == AU1XXX_PM_CLEANUP) {
- }
-
- return retval;
-}
-#endif
-
-static int __init au1200fb_init(void)
-{
- print_info("" DRIVER_DESC "");
-
- /* Setup driver with options */
- au1200fb_setup();
-
- /* Point to the panel selected */
- panel = &known_lcd_panels[panel_index];
- win = &windows[window_index];
-
- printk(DRIVER_NAME ": Panel %d %s\n", panel_index, panel->name);
- printk(DRIVER_NAME ": Win %d %s\n", window_index, win->name);
-
- /* Kickstart the panel, the framebuffers/windows come soon enough */
- au1200_setpanel(panel);
-
- #ifdef CONFIG_PM
- LCD_pm_dev = new_au1xxx_power_device("LCD", &au1200fb_pm_callback, NULL);
- if ( LCD_pm_dev == NULL)
- printk(KERN_INFO "Unable to create a power management device entry for the au1200fb.\n");
- else
- printk(KERN_INFO "Power management device entry for the au1200fb loaded.\n");
- #endif
-
- return driver_register(&au1200fb_driver);
-}
-
-static void __exit au1200fb_cleanup(void)
-{
- driver_unregister(&au1200fb_driver);
-}
-
-module_init(au1200fb_init);
-module_exit(au1200fb_cleanup);
-
-MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_LICENSE("GPL");