diff options
Diffstat (limited to 'drivers/macintosh/via-pmu.c')
| -rw-r--r-- | drivers/macintosh/via-pmu.c | 120 |
1 files changed, 29 insertions, 91 deletions
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c index c63d4e7984b..2a355ae5956 100644 --- a/drivers/macintosh/via-pmu.c +++ b/drivers/macintosh/via-pmu.c @@ -144,7 +144,6 @@ static int data_index; static int data_len; static volatile int adb_int_pending; static volatile int disable_poll; -static struct adb_request bright_req_1, bright_req_2; static struct device_node *vias; static int pmu_kind = PMU_UNKNOWN; static int pmu_fully_inited = 0; @@ -161,7 +160,7 @@ static int drop_interrupts; #if defined(CONFIG_PM) && defined(CONFIG_PPC32) static int option_lid_wakeup = 1; #endif /* CONFIG_PM && CONFIG_PPC32 */ -#if (defined(CONFIG_PM)&&defined(CONFIG_PPC32))||defined(CONFIG_PMAC_BACKLIGHT) +#if (defined(CONFIG_PM)&&defined(CONFIG_PPC32))||defined(CONFIG_PMAC_BACKLIGHT_LEGACY) static int sleep_in_progress; #endif static unsigned long async_req_locks; @@ -208,10 +207,6 @@ static int proc_get_info(char *page, char **start, off_t off, int count, int *eof, void *data); static int proc_get_irqstats(char *page, char **start, off_t off, int count, int *eof, void *data); -#ifdef CONFIG_PMAC_BACKLIGHT -static int pmu_set_backlight_level(int level, void* data); -static int pmu_set_backlight_enable(int on, int level, void* data); -#endif /* CONFIG_PMAC_BACKLIGHT */ static void pmu_pass_intr(unsigned char *data, int len); static int proc_get_batt(char *page, char **start, off_t off, int count, int *eof, void *data); @@ -292,13 +287,6 @@ static char *pbook_type[] = { "Core99" }; -#ifdef CONFIG_PMAC_BACKLIGHT -static struct backlight_controller pmu_backlight_controller = { - pmu_set_backlight_enable, - pmu_set_backlight_level -}; -#endif /* CONFIG_PMAC_BACKLIGHT */ - int __init find_via_pmu(void) { u64 taddr; @@ -417,8 +405,6 @@ static int __init via_pmu_start(void) if (vias == NULL) return -ENODEV; - bright_req_1.complete = 1; - bright_req_2.complete = 1; batt_req.complete = 1; #ifndef CONFIG_PPC_MERGE @@ -483,9 +469,9 @@ static int __init via_pmu_dev_init(void) return -ENODEV; #ifdef CONFIG_PMAC_BACKLIGHT - /* Enable backlight */ - register_backlight_controller(&pmu_backlight_controller, NULL, "pmu"); -#endif /* CONFIG_PMAC_BACKLIGHT */ + /* Initialize backlight */ + pmu_backlight_init(vias); +#endif #ifdef CONFIG_PPC32 if (machine_is_compatible("AAPL,3400/2400") || @@ -1424,7 +1410,7 @@ next: #ifdef CONFIG_INPUT_ADBHID if (!disable_kernel_backlight) #endif /* CONFIG_INPUT_ADBHID */ - set_backlight_level(data[1] >> 4); + pmac_backlight_set_legacy_brightness(data[1] >> 4); #endif /* CONFIG_PMAC_BACKLIGHT */ } /* Tick interrupt */ @@ -1674,61 +1660,6 @@ gpio1_interrupt(int irq, void *arg, struct pt_regs *regs) return IRQ_NONE; } -#ifdef CONFIG_PMAC_BACKLIGHT -static int backlight_to_bright[] = { - 0x7f, 0x46, 0x42, 0x3e, 0x3a, 0x36, 0x32, 0x2e, - 0x2a, 0x26, 0x22, 0x1e, 0x1a, 0x16, 0x12, 0x0e -}; - -static int -pmu_set_backlight_enable(int on, int level, void* data) -{ - struct adb_request req; - - if (vias == NULL) - return -ENODEV; - - if (on) { - pmu_request(&req, NULL, 2, PMU_BACKLIGHT_BRIGHT, - backlight_to_bright[level]); - pmu_wait_complete(&req); - } - pmu_request(&req, NULL, 2, PMU_POWER_CTRL, - PMU_POW_BACKLIGHT | (on ? PMU_POW_ON : PMU_POW_OFF)); - pmu_wait_complete(&req); - - return 0; -} - -static void -pmu_bright_complete(struct adb_request *req) -{ - if (req == &bright_req_1) - clear_bit(1, &async_req_locks); - if (req == &bright_req_2) - clear_bit(2, &async_req_locks); -} - -static int -pmu_set_backlight_level(int level, void* data) -{ - if (vias == NULL) - return -ENODEV; - - if (test_and_set_bit(1, &async_req_locks)) - return -EAGAIN; - pmu_request(&bright_req_1, pmu_bright_complete, 2, PMU_BACKLIGHT_BRIGHT, - backlight_to_bright[level]); - if (test_and_set_bit(2, &async_req_locks)) - return -EAGAIN; - pmu_request(&bright_req_2, pmu_bright_complete, 2, PMU_POWER_CTRL, - PMU_POW_BACKLIGHT | (level > BACKLIGHT_OFF ? - PMU_POW_ON : PMU_POW_OFF)); - - return 0; -} -#endif /* CONFIG_PMAC_BACKLIGHT */ - void pmu_enable_irled(int on) { @@ -2145,9 +2076,8 @@ pmac_suspend_devices(void) return -EBUSY; } - /* Wait for completion of async backlight requests */ - while (!bright_req_1.complete || !bright_req_2.complete || - !batt_req.complete) + /* Wait for completion of async requests */ + while (!batt_req.complete) pmu_poll(); /* Giveup the lazy FPU & vec so we don't have to back them @@ -2678,26 +2608,34 @@ pmu_ioctl(struct inode * inode, struct file *filp, return put_user(1, argp); #endif /* CONFIG_PM && CONFIG_PPC32 */ -#ifdef CONFIG_PMAC_BACKLIGHT - /* Backlight should have its own device or go via - * the fbdev - */ +#ifdef CONFIG_PMAC_BACKLIGHT_LEGACY + /* Compatibility ioctl's for backlight */ case PMU_IOC_GET_BACKLIGHT: + { + int brightness; + if (sleep_in_progress) return -EBUSY; - error = get_backlight_level(); - if (error < 0) - return error; - return put_user(error, argp); + + brightness = pmac_backlight_get_legacy_brightness(); + if (brightness < 0) + return brightness; + else + return put_user(brightness, argp); + + } case PMU_IOC_SET_BACKLIGHT: { - __u32 value; + int brightness; + if (sleep_in_progress) return -EBUSY; - error = get_user(value, argp); - if (!error) - error = set_backlight_level(value); - break; + + error = get_user(brightness, argp); + if (error) + return error; + + return pmac_backlight_set_legacy_brightness(brightness); } #ifdef CONFIG_INPUT_ADBHID case PMU_IOC_GRAB_BACKLIGHT: { @@ -2713,7 +2651,7 @@ pmu_ioctl(struct inode * inode, struct file *filp, return 0; } #endif /* CONFIG_INPUT_ADBHID */ -#endif /* CONFIG_PMAC_BACKLIGHT */ +#endif /* CONFIG_PMAC_BACKLIGHT_LEGACY */ case PMU_IOC_GET_MODEL: return put_user(pmu_kind, argp); case PMU_IOC_HAS_ADB: |