diff options
Diffstat (limited to 'drivers/macintosh')
| -rw-r--r-- | drivers/macintosh/Kconfig | 5 | ||||
| -rw-r--r-- | drivers/macintosh/adbhid.c | 14 | ||||
| -rw-r--r-- | drivers/macintosh/macio_asic.c | 2 | ||||
| -rw-r--r-- | drivers/macintosh/smu.c | 53 | ||||
| -rw-r--r-- | drivers/macintosh/via-pmu-backlight.c | 68 | ||||
| -rw-r--r-- | drivers/macintosh/via-pmu.c | 39 |
6 files changed, 114 insertions, 67 deletions
diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig index dc60038..d5d649f 100644 --- a/drivers/macintosh/Kconfig +++ b/drivers/macintosh/Kconfig @@ -109,7 +109,7 @@ config PMAC_SMU config PMAC_APM_EMU tristate "APM emulation" - depends on PPC_PMAC && PPC32 && PM + depends on PPC_PMAC && PPC32 && PM && ADB_PMU config PMAC_MEDIABAY bool "Support PowerBook hotswap media bay" @@ -122,7 +122,8 @@ config PMAC_MEDIABAY config PMAC_BACKLIGHT bool "Backlight control for LCD screens" - depends on ADB_PMU && (BROKEN || !PPC64) + depends on ADB_PMU && FB = y && (BROKEN || !PPC64) + select FB_BACKLIGHT help Say Y here to enable Macintosh specific extensions of the generic backlight code. With this enabled, the brightness keys on older diff --git a/drivers/macintosh/adbhid.c b/drivers/macintosh/adbhid.c index 545be1e..c69d23b 100644 --- a/drivers/macintosh/adbhid.c +++ b/drivers/macintosh/adbhid.c @@ -45,14 +45,11 @@ #include <linux/pmu.h> #include <asm/machdep.h> +#include <asm/backlight.h> #ifdef CONFIG_PPC_PMAC #include <asm/pmac_feature.h> #endif -#ifdef CONFIG_PMAC_BACKLIGHT -#include <asm/backlight.h> -#endif - MODULE_AUTHOR("Franz Sirl <Franz.Sirl-kernel@lauterbach.com>"); #define KEYB_KEYREG 0 /* register # for key up/down data */ @@ -237,11 +234,6 @@ static struct adb_ids keyboard_ids; static struct adb_ids mouse_ids; static struct adb_ids buttons_ids; -#ifdef CONFIG_PMAC_BACKLIGHT -/* Exported to via-pmu.c */ -int disable_kernel_backlight = 0; -#endif /* CONFIG_PMAC_BACKLIGHT */ - /* Kind of keyboard, see Apple technote 1152 */ #define ADB_KEYBOARD_UNKNOWN 0 #define ADB_KEYBOARD_ANSI 0x0100 @@ -527,7 +519,7 @@ adbhid_buttons_input(unsigned char *data, int nb, struct pt_regs *regs, int auto case 0xa: /* brightness decrease */ #ifdef CONFIG_PMAC_BACKLIGHT - if (!disable_kernel_backlight && down) + if (down) pmac_backlight_key_down(); #endif input_report_key(adbhid[id]->input, KEY_BRIGHTNESSDOWN, down); @@ -535,7 +527,7 @@ adbhid_buttons_input(unsigned char *data, int nb, struct pt_regs *regs, int auto case 0x9: /* brightness increase */ #ifdef CONFIG_PMAC_BACKLIGHT - if (!disable_kernel_backlight && down) + if (down) pmac_backlight_key_up(); #endif input_report_key(adbhid[id]->input, KEY_BRIGHTNESSUP, down); diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c index 7817cf2..d562160 100644 --- a/drivers/macintosh/macio_asic.c +++ b/drivers/macintosh/macio_asic.c @@ -332,7 +332,7 @@ static void macio_create_fixup_irq(struct macio_dev *dev, int index, { unsigned int irq; - irq = irq_create_mapping(NULL, line, 0); + irq = irq_create_mapping(NULL, line); if (irq != NO_IRQ) { dev->interrupt[index].start = irq; dev->interrupt[index].flags = IORESOURCE_IRQ; diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c index 6f35860..090e40f 100644 --- a/drivers/macintosh/smu.c +++ b/drivers/macintosh/smu.c @@ -75,9 +75,11 @@ struct smu_device { struct of_device *of_dev; int doorbell; /* doorbell gpio */ u32 __iomem *db_buf; /* doorbell buffer */ - int db_irq; + struct device_node *db_node; + unsigned int db_irq; int msg; - int msg_irq; + struct device_node *msg_node; + unsigned int msg_irq; struct smu_cmd_buf *cmd_buf; /* command buffer virtual */ u32 cmd_buf_abs; /* command buffer absolute */ struct list_head cmd_list; @@ -93,6 +95,7 @@ struct smu_device { */ static struct smu_device *smu; static DEFINE_MUTEX(smu_part_access); +static int smu_irq_inited; static void smu_i2c_retry(unsigned long data); @@ -257,6 +260,10 @@ int smu_queue_cmd(struct smu_cmd *cmd) smu_start_cmd(); spin_unlock_irqrestore(&smu->lock, flags); + /* Workaround for early calls when irq isn't available */ + if (!smu_irq_inited || smu->db_irq == NO_IRQ) + smu_spinwait_cmd(cmd); + return 0; } EXPORT_SYMBOL(smu_queue_cmd); @@ -478,14 +485,15 @@ int __init smu_init (void) smu->cmd_buf_abs = (u32)smu_cmdbuf_abs; smu->cmd_buf = (struct smu_cmd_buf *)abs_to_virt(smu_cmdbuf_abs); - np = of_find_node_by_name(NULL, "smu-doorbell"); - if (np == NULL) { + smu->db_node = of_find_node_by_name(NULL, "smu-doorbell"); + if (smu->db_node == NULL) { printk(KERN_ERR "SMU: Can't find doorbell GPIO !\n"); goto fail; } - data = get_property(np, "reg", NULL); + data = get_property(smu->db_node, "reg", NULL); if (data == NULL) { - of_node_put(np); + of_node_put(smu->db_node); + smu->db_node = NULL; printk(KERN_ERR "SMU: Can't find doorbell GPIO address !\n"); goto fail; } @@ -497,25 +505,21 @@ int __init smu_init (void) smu->doorbell = *data; if (smu->doorbell < 0x50) smu->doorbell += 0x50; - smu->db_irq = irq_of_parse_and_map(np, 0); - - of_node_put(np); /* Now look for the smu-interrupt GPIO */ do { - np = of_find_node_by_name(NULL, "smu-interrupt"); - if (np == NULL) + smu->msg_node = of_find_node_by_name(NULL, "smu-interrupt"); + if (smu->msg_node == NULL) break; - data = get_property(np, "reg", NULL); + data = get_property(smu->msg_node, "reg", NULL); if (data == NULL) { - of_node_put(np); + of_node_put(smu->msg_node); + smu->msg_node = NULL; break; } smu->msg = *data; if (smu->msg < 0x50) smu->msg += 0x50; - smu->msg_irq = irq_of_parse_and_map(np, 0); - of_node_put(np); } while(0); /* Doorbell buffer is currently hard-coded, I didn't find a proper @@ -547,6 +551,19 @@ static int smu_late_init(void) smu->i2c_timer.function = smu_i2c_retry; smu->i2c_timer.data = (unsigned long)smu; + if (smu->db_node) { + smu->db_irq = irq_of_parse_and_map(smu->db_node, 0); + if (smu->db_irq == NO_IRQ) + printk(KERN_ERR "smu: failed to map irq for node %s\n", + smu->db_node->full_name); + } + if (smu->msg_node) { + smu->msg_irq = irq_of_parse_and_map(smu->msg_node, 0); + if (smu->msg_irq == NO_IRQ) + printk(KERN_ERR "smu: failed to map irq for node %s\n", + smu->msg_node->full_name); + } + /* * Try to request the interrupts */ @@ -571,6 +588,7 @@ static int smu_late_init(void) } } + smu_irq_inited = 1; return 0; } /* This has to be before arch_initcall as the low i2c stuff relies on the @@ -742,6 +760,11 @@ static void smu_i2c_low_completion(struct smu_cmd *scmd, void *misc) if (fail && --cmd->retries > 0) { DPRINTK("SMU: i2c failure, starting timer...\n"); BUG_ON(cmd != smu->cmd_i2c_cur); + if (!smu_irq_inited) { + mdelay(5); + smu_i2c_retry(0); + return; + } mod_timer(&smu->i2c_timer, jiffies + msecs_to_jiffies(5)); return; } diff --git a/drivers/macintosh/via-pmu-backlight.c b/drivers/macintosh/via-pmu-backlight.c index b42d05f..d3f8d75 100644 --- a/drivers/macintosh/via-pmu-backlight.c +++ b/drivers/macintosh/via-pmu-backlight.c @@ -15,8 +15,9 @@ #define MAX_PMU_LEVEL 0xFF -static struct device_node *vias; static struct backlight_properties pmu_backlight_data; +static spinlock_t pmu_backlight_lock; +static int sleeping; static int pmu_backlight_get_level_brightness(struct fb_info *info, int level) @@ -40,23 +41,36 @@ static int pmu_backlight_update_status(struct backlight_device *bd) { struct fb_info *info = class_get_devdata(&bd->class_dev); struct adb_request req; - int pmulevel, level = bd->props->brightness; + unsigned long flags; + int level = bd->props->brightness; - if (vias == NULL) - return -ENODEV; + spin_lock_irqsave(&pmu_backlight_lock, flags); + + /* Don't update brightness when sleeping */ + if (sleeping) + goto out; if (bd->props->power != FB_BLANK_UNBLANK || bd->props->fb_blank != FB_BLANK_UNBLANK) level = 0; - pmulevel = pmu_backlight_get_level_brightness(info, level); + if (level > 0) { + int pmulevel = pmu_backlight_get_level_brightness(info, level); - pmu_request(&req, NULL, 2, PMU_BACKLIGHT_BRIGHT, pmulevel); - pmu_wait_complete(&req); + pmu_request(&req, NULL, 2, PMU_BACKLIGHT_BRIGHT, pmulevel); + pmu_wait_complete(&req); - pmu_request(&req, NULL, 2, PMU_POWER_CTRL, - PMU_POW_BACKLIGHT | (level > 0 ? PMU_POW_ON : PMU_POW_OFF)); - pmu_wait_complete(&req); + pmu_request(&req, NULL, 2, PMU_POWER_CTRL, + PMU_POW_BACKLIGHT | PMU_POW_ON); + pmu_wait_complete(&req); + } else { + pmu_request(&req, NULL, 2, PMU_POWER_CTRL, + PMU_POW_BACKLIGHT | PMU_POW_OFF); + pmu_wait_complete(&req); + } + +out: + spin_unlock_irqrestore(&pmu_backlight_lock, flags); return 0; } @@ -73,15 +87,39 @@ static struct backlight_properties pmu_backlight_data = { .max_brightness = (FB_BACKLIGHT_LEVELS - 1), }; -void __init pmu_backlight_init(struct device_node *in_vias) +#ifdef CONFIG_PM +static int pmu_backlight_sleep_call(struct pmu_sleep_notifier *self, int when) +{ + unsigned long flags; + + spin_lock_irqsave(&pmu_backlight_lock, flags); + + switch (when) { + case PBOOK_SLEEP_REQUEST: + sleeping = 1; + break; + case PBOOK_WAKE: + sleeping = 0; + break; + } + + spin_unlock_irqrestore(&pmu_backlight_lock, flags); + + return PBOOK_SLEEP_OK; +} + +static struct pmu_sleep_notifier pmu_backlight_sleep_notif = { + .notifier_call = pmu_backlight_sleep_call, +}; +#endif + +void __init pmu_backlight_init() { struct backlight_device *bd; struct fb_info *info; char name[10]; int level, autosave; - vias = in_vias; - /* Special case for the old PowerBook since I can't test on it */ autosave = machine_is_compatible("AAPL,3400/2400") || @@ -141,6 +179,10 @@ void __init pmu_backlight_init(struct device_node *in_vias) pmac_backlight = bd; mutex_unlock(&pmac_backlight_mutex); +#ifdef CONFIG_PM + pmu_register_sleep_notifier(&pmu_backlight_sleep_notif); +#endif + printk("pmubl: Backlight initialized (%s)\n", name); return; diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c index 80e88b4..0df500b 100644 --- a/drivers/macintosh/via-pmu.c +++ b/drivers/macintosh/via-pmu.c @@ -16,7 +16,6 @@ * a sleep or a freq. switch * - Move sleep code out of here to pmac_pm, merge into new * common PM infrastructure - * - Move backlight code out as well * - Save/Restore PCI space properly * */ @@ -60,9 +59,7 @@ #include <asm/mmu_context.h> #include <asm/cputable.h> #include <asm/time.h> -#ifdef CONFIG_PMAC_BACKLIGHT #include <asm/backlight.h> -#endif #include "via-pmu-event.h" @@ -177,10 +174,6 @@ static int query_batt_timer = BATTERY_POLLING_COUNT; static struct adb_request batt_req; static struct proc_dir_entry *proc_pmu_batt[PMU_MAX_BATTERIES]; -#if defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT) -extern int disable_kernel_backlight; -#endif /* defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT) */ - int __fake_sleep; int asleep; BLOCKING_NOTIFIER_HEAD(sleep_notifier_list); @@ -466,7 +459,7 @@ static int __init via_pmu_dev_init(void) #ifdef CONFIG_PMAC_BACKLIGHT /* Initialize backlight */ - pmu_backlight_init(vias); + pmu_backlight_init(); #endif #ifdef CONFIG_PPC32 @@ -1403,11 +1396,8 @@ next: else if ((1 << pirq) & PMU_INT_SNDBRT) { #ifdef CONFIG_PMAC_BACKLIGHT if (len == 3) -#ifdef CONFIG_INPUT_ADBHID - if (!disable_kernel_backlight) -#endif /* CONFIG_INPUT_ADBHID */ - pmac_backlight_set_legacy_brightness(data[1] >> 4); -#endif /* CONFIG_PMAC_BACKLIGHT */ + pmac_backlight_set_legacy_brightness_pmu(data[1] >> 4); +#endif } /* Tick interrupt */ else if ((1 << pirq) & PMU_INT_TICK) { @@ -2414,7 +2404,7 @@ struct pmu_private { spinlock_t lock; #if defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT) int backlight_locker; -#endif /* defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT) */ +#endif }; static LIST_HEAD(all_pmu_pvt); @@ -2464,7 +2454,7 @@ pmu_open(struct inode *inode, struct file *file) spin_lock_irqsave(&all_pvt_lock, flags); #if defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT) pp->backlight_locker = 0; -#endif /* defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT) */ +#endif list_add(&pp->list, &all_pmu_pvt); spin_unlock_irqrestore(&all_pvt_lock, flags); file->private_data = pp; @@ -2559,13 +2549,12 @@ pmu_release(struct inode *inode, struct file *file) spin_lock_irqsave(&all_pvt_lock, flags); list_del(&pp->list); spin_unlock_irqrestore(&all_pvt_lock, flags); + #if defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT) - if (pp->backlight_locker) { - spin_lock_irqsave(&pmu_lock, flags); - disable_kernel_backlight--; - spin_unlock_irqrestore(&pmu_lock, flags); - } -#endif /* defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT) */ + if (pp->backlight_locker) + pmac_backlight_enable(); +#endif + kfree(pp); } unlock_kernel(); @@ -2642,18 +2631,18 @@ pmu_ioctl(struct inode * inode, struct file *filp, #ifdef CONFIG_INPUT_ADBHID case PMU_IOC_GRAB_BACKLIGHT: { struct pmu_private *pp = filp->private_data; - unsigned long flags; if (pp->backlight_locker) return 0; + pp->backlight_locker = 1; - spin_lock_irqsave(&pmu_lock, flags); - disable_kernel_backlight++; - spin_unlock_irqrestore(&pmu_lock, flags); + pmac_backlight_disable(); + return 0; } #endif /* CONFIG_INPUT_ADBHID */ #endif /* CONFIG_PMAC_BACKLIGHT_LEGACY */ + case PMU_IOC_GET_MODEL: return put_user(pmu_kind, argp); case PMU_IOC_HAS_ADB: |