diff options
Diffstat (limited to 'drivers/macintosh')
| -rw-r--r-- | drivers/macintosh/Kconfig | 13 | ||||
| -rw-r--r-- | drivers/macintosh/adbhid.c | 14 | ||||
| -rw-r--r-- | drivers/macintosh/therm_pm72.c | 218 | ||||
| -rw-r--r-- | drivers/macintosh/therm_pm72.h | 33 | ||||
| -rw-r--r-- | drivers/macintosh/via-pmu-backlight.c | 68 | ||||
| -rw-r--r-- | drivers/macintosh/via-pmu-led.c | 2 | ||||
| -rw-r--r-- | drivers/macintosh/via-pmu.c | 39 |
7 files changed, 317 insertions, 70 deletions
diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig index f5fe7fb4b3a..d5d649f5ccd 100644 --- a/drivers/macintosh/Kconfig +++ b/drivers/macintosh/Kconfig @@ -90,6 +90,15 @@ config ADB_PMU_LED and the ide-disk LED trigger and configure appropriately through sysfs. +config ADB_PMU_LED_IDE + bool "Use front LED as IDE LED by default" + depends on ADB_PMU_LED + select LEDS_TRIGGERS + select LEDS_TRIGGER_IDE_DISK + help + This option makes the front LED default to the IDE trigger + so that it blinks on IDE activity. + config PMAC_SMU bool "Support for SMU based PowerMacs" depends on PPC_PMAC64 @@ -100,7 +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" @@ -115,8 +124,6 @@ config PMAC_BACKLIGHT bool "Backlight control for LCD screens" depends on ADB_PMU && FB = y && (BROKEN || !PPC64) select FB_BACKLIGHT - select BACKLIGHT_CLASS_DEVICE - select BACKLIGHT_LCD_SUPPORT 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 545be1ed692..c69d23bb255 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/therm_pm72.c b/drivers/macintosh/therm_pm72.c index c1fe0b368f7..20bf67244e2 100644 --- a/drivers/macintosh/therm_pm72.c +++ b/drivers/macintosh/therm_pm72.c @@ -95,6 +95,17 @@ * - Use min/max macros here or there * - Latest darwin updated U3H min fan speed to 20% PWM * + * July. 06, 2006 : 1.3 + * - Fix setting of RPM fans on Xserve G5 (they were going too fast) + * - Add missing slots fan control loop for Xserve G5 + * - Lower fixed slots fan speed from 50% to 40% on desktop G5s. We + * still can't properly implement the control loop for these, so let's + * reduce the noise a little bit, it appears that 40% still gives us + * a pretty good air flow + * - Add code to "tickle" the FCU regulary so it doesn't think that + * we are gone while in fact, the machine just didn't need any fan + * speed change lately + * */ #include <linux/types.h> @@ -121,7 +132,7 @@ #include "therm_pm72.h" -#define VERSION "1.2b2" +#define VERSION "1.3" #undef DEBUG @@ -146,6 +157,7 @@ static struct basckside_pid_params backside_params; static struct backside_pid_state backside_state; static struct drives_pid_state drives_state; static struct dimm_pid_state dimms_state; +static struct slots_pid_state slots_state; static int state; static int cpu_count; static int cpu_pid_type; @@ -154,7 +166,8 @@ static struct completion ctrl_complete; static int critical_state; static int rackmac; static s32 dimm_output_clamp; - +static int fcu_rpm_shift; +static int fcu_tickle_ticks; static DECLARE_MUTEX(driver_lock); /* @@ -495,13 +508,20 @@ static int start_fcu(void) rc = fan_write_reg(0x2e, &buf, 1); if (rc < 0) return -EIO; + rc = fan_read_reg(0, &buf, 1); + if (rc < 0) + return -EIO; + fcu_rpm_shift = (buf == 1) ? 2 : 3; + printk(KERN_DEBUG "FCU Initialized, RPM fan shift is %d\n", + fcu_rpm_shift); + return 0; } static int set_rpm_fan(int fan_index, int rpm) { unsigned char buf[2]; - int rc, id; + int rc, id, min, max; if (fcu_fans[fan_index].type != FCU_FAN_RPM) return -EINVAL; @@ -509,12 +529,15 @@ static int set_rpm_fan(int fan_index, int rpm) if (id == FCU_FAN_ABSENT_ID) return -EINVAL; - if (rpm < 300) - rpm = 300; - else if (rpm > 8191) - rpm = 8191; - buf[0] = rpm >> 5; - buf[1] = rpm << 3; + min = 2400 >> fcu_rpm_shift; + max = 56000 >> fcu_rpm_shift; + + if (rpm < min) + rpm = min; + else if (rpm > max) + rpm = max; + buf[0] = rpm >> (8 - fcu_rpm_shift); + buf[1] = rpm << fcu_rpm_shift; rc = fan_write_reg(0x10 + (id * 2), buf, 2); if (rc < 0) return -EIO; @@ -551,7 +574,7 @@ static int get_rpm_fan(int fan_index, int programmed) if (rc != 2) return -EIO; - return (buf[0] << 5) | buf[1] >> 3; + return (buf[0] << (8 - fcu_rpm_shift)) | buf[1] >> fcu_rpm_shift; } static int set_pwm_fan(int fan_index, int pwm) @@ -609,6 +632,26 @@ static int get_pwm_fan(int fan_index) return (buf[0] * 1000) / 2559; } +static void tickle_fcu(void) +{ + int pwm; + + pwm = get_pwm_fan(SLOTS_FAN_PWM_INDEX); + + DBG("FCU Tickle, slots fan is: %d\n", pwm); + if (pwm < 0) + pwm = 100; + + if (!rackmac) { + pwm = SLOTS_FAN_DEFAULT_PWM; + } else if (pwm < SLOTS_PID_OUTPUT_MIN) + pwm = SLOTS_PID_OUTPUT_MIN; + + /* That is hopefully enough to make the FCU happy */ + set_pwm_fan(SLOTS_FAN_PWM_INDEX, pwm); +} + + /* * Utility routine to read the CPU calibration EEPROM data * from the device-tree @@ -715,6 +758,9 @@ BUILD_SHOW_FUNC_INT(backside_fan_pwm, backside_state.pwm) BUILD_SHOW_FUNC_FIX(drives_temperature, drives_state.last_temp) BUILD_SHOW_FUNC_INT(drives_fan_rpm, drives_state.rpm) +BUILD_SHOW_FUNC_FIX(slots_temperature, slots_state.last_temp) +BUILD_SHOW_FUNC_INT(slots_fan_pwm, slots_state.pwm) + BUILD_SHOW_FUNC_FIX(dimms_temperature, dimms_state.last_temp) static DEVICE_ATTR(cpu0_temperature,S_IRUGO,show_cpu0_temperature,NULL); @@ -735,6 +781,9 @@ static DEVICE_ATTR(backside_fan_pwm,S_IRUGO,show_backside_fan_pwm,NULL); static DEVICE_ATTR(drives_temperature,S_IRUGO,show_drives_temperature,NULL); static DEVICE_ATTR(drives_fan_rpm,S_IRUGO,show_drives_fan_rpm,NULL); +static DEVICE_ATTR(slots_temperature,S_IRUGO,show_slots_temperature,NULL); +static DEVICE_ATTR(slots_fan_pwm,S_IRUGO,show_slots_fan_pwm,NULL); + static DEVICE_ATTR(dimms_temperature,S_IRUGO,show_dimms_temperature,NULL); /* @@ -1076,6 +1125,9 @@ static void do_monitor_cpu_rack(struct cpu_pid_state *state) fan_min = dimm_output_clamp; fan_min = max(fan_min, (int)state->mpu.rminn_intake_fan); + DBG(" CPU min mpu = %d, min dimm = %d\n", + state->mpu.rminn_intake_fan, dimm_output_clamp); + state->rpm = max(state->rpm, (int)fan_min); state->rpm = min(state->rpm, (int)state->mpu.rmaxn_intake_fan); state->intake_rpm = state->rpm; @@ -1374,7 +1426,8 @@ static void do_monitor_drives(struct drives_pid_state *state) DBG(" current rpm: %d\n", state->rpm); /* Get some sensor readings */ - temp = le16_to_cpu(i2c_smbus_read_word_data(state->monitor, DS1775_TEMP)) << 8; + temp = le16_to_cpu(i2c_smbus_read_word_data(state->monitor, + DS1775_TEMP)) << 8; state->last_temp = temp; DBG(" temp: %d.%03d, target: %d.%03d\n", FIX32TOPRINT(temp), FIX32TOPRINT(DRIVES_PID_INPUT_TARGET)); @@ -1575,7 +1628,7 @@ static int init_dimms_state(struct dimm_pid_state *state) } /* - * Dispose of the state data for the drives control loop + * Dispose of the state data for the DIMM control loop */ static void dispose_dimms_state(struct dimm_pid_state *state) { @@ -1588,6 +1641,127 @@ static void dispose_dimms_state(struct dimm_pid_state *state) state->monitor = NULL; } +/* + * Slots fan control loop + */ +static void do_monitor_slots(struct slots_pid_state *state) +{ + s32 temp, integral, derivative; + s64 integ_p, deriv_p, prop_p, sum; + int i, rc; + + if (--state->ticks != 0) + return; + state->ticks = SLOTS_PID_INTERVAL; + + DBG("slots:\n"); + + /* Check fan status */ + rc = get_pwm_fan(SLOTS_FAN_PWM_INDEX); + if (rc < 0) { + printk(KERN_WARNING "Error %d reading slots fan !\n", rc); + /* XXX What do we do now ? */ + } else + state->pwm = rc; + DBG(" current pwm: %d\n", state->pwm); + + /* Get some sensor readings */ + temp = le16_to_cpu(i2c_smbus_read_word_data(state->monitor, + DS1775_TEMP)) << 8; + state->last_temp = temp; + DBG(" temp: %d.%03d, target: %d.%03d\n", FIX32TOPRINT(temp), + FIX32TOPRINT(SLOTS_PID_INPUT_TARGET)); + + /* Store temperature and error in history array */ + state->cur_sample = (state->cur_sample + 1) % SLOTS_PID_HISTORY_SIZE; + state->sample_history[state->cur_sample] = temp; + state->error_history[state->cur_sample] = temp - SLOTS_PID_INPUT_TARGET; + + /* If first loop, fill the history table */ + if (state->first) { + for (i = 0; i < (SLOTS_PID_HISTORY_SIZE - 1); i++) { + state->cur_sample = (state->cur_sample + 1) % + SLOTS_PID_HISTORY_SIZE; + state->sample_history[state->cur_sample] = temp; + state->error_history[state->cur_sample] = + temp - SLOTS_PID_INPUT_TARGET; + } + state->first = 0; + } + + /* Calculate the integral term */ + sum = 0; + integral = 0; + for (i = 0; i < SLOTS_PID_HISTORY_SIZE; i++) + integral += state->error_history[i]; + integral *= SLOTS_PID_INTERVAL; + DBG(" integral: %08x\n", integral); + integ_p = ((s64)SLOTS_PID_G_r) * (s64)integral; + DBG(" integ_p: %d\n", (int)(integ_p >> 36)); + sum += integ_p; + + /* Calculate the derivative term */ + derivative = state->error_history[state->cur_sample] - + state->error_history[(state->cur_sample + SLOTS_PID_HISTORY_SIZE - 1) + % SLOTS_PID_HISTORY_SIZE]; + derivative /= SLOTS_PID_INTERVAL; + deriv_p = ((s64)SLOTS_PID_G_d) * (s64)derivative; + DBG(" deriv_p: %d\n", (int)(deriv_p >> 36)); + sum += deriv_p; + + /* Calculate the proportional term */ + prop_p = ((s64)SLOTS_PID_G_p) * (s64)(state->error_history[state->cur_sample]); + DBG(" prop_p: %d\n", (int)(prop_p >> 36)); + sum += prop_p; + + /* Scale sum */ + sum >>= 36; + + DBG(" sum: %d\n", (int)sum); + state->pwm = (s32)sum; + + state->pwm = max(state->pwm, SLOTS_PID_OUTPUT_MIN); + state->pwm = min(state->pwm, SLOTS_PID_OUTPUT_MAX); + + DBG("** DRIVES PWM: %d\n", (int)state->pwm); + set_pwm_fan(SLOTS_FAN_PWM_INDEX, state->pwm); +} + +/* + * Initialize the state structure for the slots bay fan control loop + */ +static int init_slots_state(struct slots_pid_state *state) +{ + state->ticks = 1; + state->first = 1; + state->pwm = 50; + + state->monitor = attach_i2c_chip(XSERVE_SLOTS_LM75, "slots_temp"); + if (state->monitor == NULL) + return -ENODEV; + + device_create_file(&of_dev->dev, &dev_attr_slots_temperature); + device_create_file(&of_dev->dev, &dev_attr_slots_fan_pwm); + + return 0; +} + +/* + * Dispose of the state data for the slots control loop + */ +static void dispose_slots_state(struct slots_pid_state *state) +{ + if (state->monitor == NULL) + return; + + device_remove_file(&of_dev->dev, &dev_attr_slots_temperature); + device_remove_file(&of_dev->dev, &dev_attr_slots_fan_pwm); + + detach_i2c_chip(state->monitor); + state->monitor = NULL; +} + + static int call_critical_overtemp(void) { char *argv[] = { critical_overtemp_path, NULL }; @@ -1617,14 +1791,17 @@ static int main_control_loop(void *x) goto out; } - /* Set the PCI fan once for now */ - set_pwm_fan(SLOTS_FAN_PWM_INDEX, SLOTS_FAN_DEFAULT_PWM); + /* Set the PCI fan once for now on non-RackMac */ + if (!rackmac) + set_pwm_fan(SLOTS_FAN_PWM_INDEX, SLOTS_FAN_DEFAULT_PWM); /* Initialize ADCs */ initialize_adc(&cpu_state[0]); if (cpu_state[1].monitor != NULL) initialize_adc(&cpu_state[1]); + fcu_tickle_ticks = FCU_TICKLE_TICKS; + up(&driver_lock); while (state == state_attached) { @@ -1634,6 +1811,12 @@ static int main_control_loop(void *x) down(&driver_lock); + /* Tickle the FCU just in case */ + if (--fcu_tickle_ticks < 0) { + fcu_tickle_ticks = FCU_TICKLE_TICKS; + tickle_fcu(); + } + /* First, we always calculate the new DIMMs state on an Xserve */ if (rackmac) do_monitor_dimms(&dimms_state); @@ -1654,7 +1837,9 @@ static int main_control_loop(void *x) } /* Then, the rest */ do_monitor_backside(&backside_state); - if (!rackmac) + if (rackmac) + do_monitor_slots(&slots_state); + else do_monitor_drives(&drives_state); up(&driver_lock); @@ -1696,6 +1881,7 @@ static void dispose_control_loops(void) dispose_cpu_state(&cpu_state[1]); dispose_backside_state(&backside_state); dispose_drives_state(&drives_state); + dispose_slots_state(&slots_state); dispose_dimms_state(&dimms_state); } @@ -1745,6 +1931,8 @@ static int create_control_loops(void) goto fail; if (rackmac && init_dimms_state(&dimms_state)) goto fail; + if (rackmac && init_slots_state(&slots_state)) + goto fail; if (!rackmac && init_drives_state(&drives_state)) goto fail; diff --git a/drivers/macintosh/therm_pm72.h b/drivers/macintosh/therm_pm72.h index fc7e9b7ecaf..393cc9df94e 100644 --- a/drivers/macintosh/therm_pm72.h +++ b/drivers/macintosh/therm_pm72.h @@ -105,6 +105,7 @@ static char * critical_overtemp_path = "/sbin/critical_overtemp"; #define DRIVES_DALLAS_ID 0x94 #define BACKSIDE_MAX_ID 0x98 #define XSERVE_DIMMS_LM87 0x25a +#define XSERVE_SLOTS_LM75 0x290 /* * Some MAX6690, DS1775, LM87 register definitions @@ -198,7 +199,7 @@ struct drives_pid_state #define SLOTS_FAN_PWM_DEFAULT_ID 2 #define SLOTS_FAN_PWM_INDEX 2 -#define SLOTS_FAN_DEFAULT_PWM 50 /* Do better here ! */ +#define SLOTS_FAN_DEFAULT_PWM 40 /* Do better here ! */ /* @@ -206,7 +207,7 @@ struct drives_pid_state */ #define DIMM_PID_G_d 0 #define DIMM_PID_G_p 0 -#define DIMM_PID_G_r 0x6553600 +#define DIMM_PID_G_r 0x06553600 #define DIMM_PID_INPUT_TARGET 3276800 #define DIMM_PID_INTERVAL 1 #define DIMM_PID_OUTPUT_MAX 14000 @@ -226,6 +227,31 @@ struct dimm_pid_state }; +/* + * PID factors for the Xserve Slots control loop + */ +#define SLOTS_PID_G_d 0 +#define SLOTS_PID_G_p 0 +#define SLOTS_PID_G_r 0x00100000 +#define SLOTS_PID_INPUT_TARGET 3200000 +#define SLOTS_PID_INTERVAL 1 +#define SLOTS_PID_OUTPUT_MAX 100 +#define SLOTS_PID_OUTPUT_MIN 20 +#define SLOTS_PID_HISTORY_SIZE 20 + +struct slots_pid_state +{ + int ticks; + struct i2c_client * monitor; + s32 sample_history[SLOTS_PID_HISTORY_SIZE]; + s32 error_history[SLOTS_PID_HISTORY_SIZE]; + int cur_sample; + s32 last_temp; + int first; + int pwm; +}; + + /* Desktops */ @@ -283,6 +309,9 @@ struct cpu_pid_state s32 pump_max; }; +/* Tickle FCU every 10 seconds */ +#define FCU_TICKLE_TICKS 10 + /* * Driver state */ diff --git a/drivers/macintosh/via-pmu-backlight.c b/drivers/macintosh/via-pmu-backlight.c index b42d05f2aaf..d3f8d75bcbb 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-led.c b/drivers/macintosh/via-pmu-led.c index af8375ed0f5..5189d5454b1 100644 --- a/drivers/macintosh/via-pmu-led.c +++ b/drivers/macintosh/via-pmu-led.c @@ -74,7 +74,7 @@ static void pmu_led_set(struct led_classdev *led_cdev, static struct led_classdev pmu_led = { .name = "pmu-front-led", -#ifdef CONFIG_BLK_DEV_IDE_PMAC_BLINK +#ifdef CONFIG_ADB_PMU_LED_IDE .default_trigger = "ide-disk", #endif .brightness_set = pmu_led_set, diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c index 06ca80bfd6b..ea386801e21 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: |