diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/therm')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/therm/base.c | 218 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/therm/fan.c | 244 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/therm/fannil.c | 54 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/therm/fanpwm.c | 107 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/therm/fantog.c | 115 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/therm/ic.c | 54 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c | 82 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/therm/nv50.c | 199 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/therm/nva3.c | 99 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/therm/nvd0.c | 153 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/therm/priv.h | 103 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/therm/temp.c | 162 |
12 files changed, 1374 insertions, 216 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/base.c b/drivers/gpu/drm/nouveau/core/subdev/therm/base.c index 1674c74a76c..f794dc89a3b 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/therm/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/base.c @@ -29,6 +29,134 @@ #include "priv.h" +static int +nouveau_therm_update_trip(struct nouveau_therm *therm) +{ + struct nouveau_therm_priv *priv = (void *)therm; + struct nouveau_therm_trip_point *trip = priv->fan->bios.trip, + *cur_trip = NULL, + *last_trip = priv->last_trip; + u8 temp = therm->temp_get(therm); + u16 duty, i; + + /* look for the trip point corresponding to the current temperature */ + cur_trip = NULL; + for (i = 0; i < priv->fan->bios.nr_fan_trip; i++) { + if (temp >= trip[i].temp) + cur_trip = &trip[i]; + } + + /* account for the hysteresis cycle */ + if (last_trip && temp <= (last_trip->temp) && + temp > (last_trip->temp - last_trip->hysteresis)) + cur_trip = last_trip; + + if (cur_trip) { + duty = cur_trip->fan_duty; + priv->last_trip = cur_trip; + } else { + duty = 0; + priv->last_trip = NULL; + } + + return duty; +} + +static int +nouveau_therm_update_linear(struct nouveau_therm *therm) +{ + struct nouveau_therm_priv *priv = (void *)therm; + u8 linear_min_temp = priv->fan->bios.linear_min_temp; + u8 linear_max_temp = priv->fan->bios.linear_max_temp; + u8 temp = therm->temp_get(therm); + u16 duty; + + /* handle the non-linear part first */ + if (temp < linear_min_temp) + return priv->fan->bios.min_duty; + else if (temp > linear_max_temp) + return priv->fan->bios.max_duty; + + /* we are in the linear zone */ + duty = (temp - linear_min_temp); + duty *= (priv->fan->bios.max_duty - priv->fan->bios.min_duty); + duty /= (linear_max_temp - linear_min_temp); + duty += priv->fan->bios.min_duty; + + return duty; +} + +static void +nouveau_therm_update(struct nouveau_therm *therm, int mode) +{ + struct nouveau_timer *ptimer = nouveau_timer(therm); + struct nouveau_therm_priv *priv = (void *)therm; + unsigned long flags; + int duty; + + spin_lock_irqsave(&priv->lock, flags); + if (mode < 0) + mode = priv->mode; + priv->mode = mode; + + switch (mode) { + case NOUVEAU_THERM_CTRL_MANUAL: + duty = nouveau_therm_fan_get(therm); + if (duty < 0) + duty = 100; + break; + case NOUVEAU_THERM_CTRL_AUTO: + if (priv->fan->bios.nr_fan_trip) + duty = nouveau_therm_update_trip(therm); + else + duty = nouveau_therm_update_linear(therm); + break; + case NOUVEAU_THERM_CTRL_NONE: + default: + goto done; + } + + nv_debug(therm, "FAN target request: %d%%\n", duty); + nouveau_therm_fan_set(therm, (mode != NOUVEAU_THERM_CTRL_AUTO), duty); + +done: + if (list_empty(&priv->alarm.head) && (mode == NOUVEAU_THERM_CTRL_AUTO)) + ptimer->alarm(ptimer, 1000000000ULL, &priv->alarm); + spin_unlock_irqrestore(&priv->lock, flags); +} + +static void +nouveau_therm_alarm(struct nouveau_alarm *alarm) +{ + struct nouveau_therm_priv *priv = + container_of(alarm, struct nouveau_therm_priv, alarm); + nouveau_therm_update(&priv->base, -1); +} + +int +nouveau_therm_mode(struct nouveau_therm *therm, int mode) +{ + struct nouveau_therm_priv *priv = (void *)therm; + struct nouveau_device *device = nv_device(therm); + static const char *name[] = { + "disabled", + "manual", + "automatic" + }; + + /* The default PDAEMON ucode interferes with fan management */ + if ((mode >= ARRAY_SIZE(name)) || + (mode != NOUVEAU_THERM_CTRL_NONE && device->card_type >= NV_C0)) + return -EINVAL; + + if (priv->mode == mode) + return 0; + + nv_info(therm, "Thermal management: %s\n", name[mode]); + nouveau_therm_update(therm, mode); + return 0; +} + int nouveau_therm_attr_get(struct nouveau_therm *therm, enum nouveau_therm_attr_type type) @@ -37,11 +165,11 @@ nouveau_therm_attr_get(struct nouveau_therm *therm, switch (type) { case NOUVEAU_THERM_ATTR_FAN_MIN_DUTY: - return priv->bios_fan.min_duty; + return priv->fan->bios.min_duty; case NOUVEAU_THERM_ATTR_FAN_MAX_DUTY: - return priv->bios_fan.max_duty; + return priv->fan->bios.max_duty; case NOUVEAU_THERM_ATTR_FAN_MODE: - return priv->fan.mode; + return priv->mode; case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST: return priv->bios_sensor.thrs_fan_boost.temp; case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST_HYST: @@ -73,42 +201,50 @@ nouveau_therm_attr_set(struct nouveau_therm *therm, case NOUVEAU_THERM_ATTR_FAN_MIN_DUTY: if (value < 0) value = 0; - if (value > priv->bios_fan.max_duty) - value = priv->bios_fan.max_duty; - priv->bios_fan.min_duty = value; + if (value > priv->fan->bios.max_duty) + value = priv->fan->bios.max_duty; + priv->fan->bios.min_duty = value; return 0; case NOUVEAU_THERM_ATTR_FAN_MAX_DUTY: if (value < 0) value = 0; - if (value < priv->bios_fan.min_duty) - value = priv->bios_fan.min_duty; - priv->bios_fan.max_duty = value; + if (value < priv->fan->bios.min_duty) + value = priv->fan->bios.min_duty; + priv->fan->bios.max_duty = value; return 0; case NOUVEAU_THERM_ATTR_FAN_MODE: - return nouveau_therm_fan_set_mode(therm, value); + return nouveau_therm_mode(therm, value); case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST: priv->bios_sensor.thrs_fan_boost.temp = value; + priv->sensor.program_alarms(therm); return 0; case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST_HYST: priv->bios_sensor.thrs_fan_boost.hysteresis = value; + priv->sensor.program_alarms(therm); return 0; case NOUVEAU_THERM_ATTR_THRS_DOWN_CLK: priv->bios_sensor.thrs_down_clock.temp = value; + priv->sensor.program_alarms(therm); return 0; case NOUVEAU_THERM_ATTR_THRS_DOWN_CLK_HYST: priv->bios_sensor.thrs_down_clock.hysteresis = value; + priv->sensor.program_alarms(therm); return 0; case NOUVEAU_THERM_ATTR_THRS_CRITICAL: priv->bios_sensor.thrs_critical.temp = value; + priv->sensor.program_alarms(therm); return 0; case NOUVEAU_THERM_ATTR_THRS_CRITICAL_HYST: priv->bios_sensor.thrs_critical.hysteresis = value; + priv->sensor.program_alarms(therm); return 0; case NOUVEAU_THERM_ATTR_THRS_SHUTDOWN: priv->bios_sensor.thrs_shutdown.temp = value; + priv->sensor.program_alarms(therm); return 0; case NOUVEAU_THERM_ATTR_THRS_SHUTDOWN_HYST: priv->bios_sensor.thrs_shutdown.hysteresis = value; + priv->sensor.program_alarms(therm); return 0; } @@ -116,7 +252,7 @@ nouveau_therm_attr_set(struct nouveau_therm *therm, } int -nouveau_therm_init(struct nouveau_object *object) +_nouveau_therm_init(struct nouveau_object *object) { struct nouveau_therm *therm = (void *)object; struct nouveau_therm_priv *priv = (void *)therm; @@ -126,19 +262,69 @@ nouveau_therm_init(struct nouveau_object *object) if (ret) return ret; - if (priv->fan.percent >= 0) - therm->fan_set(therm, priv->fan.percent); - + if (priv->suspend >= 0) + nouveau_therm_mode(therm, priv->mode); + priv->sensor.program_alarms(therm); return 0; } int -nouveau_therm_fini(struct nouveau_object *object, bool suspend) +_nouveau_therm_fini(struct nouveau_object *object, bool suspend) { struct nouveau_therm *therm = (void *)object; struct nouveau_therm_priv *priv = (void *)therm; - priv->fan.percent = therm->fan_get(therm); + if (suspend) { + priv->suspend = priv->mode; + priv->mode = NOUVEAU_THERM_CTRL_NONE; + } return nouveau_subdev_fini(&therm->base, suspend); } + +int +nouveau_therm_create_(struct nouveau_object *parent, + struct nouveau_object *engine, + struct nouveau_oclass *oclass, + int length, void **pobject) +{ + struct nouveau_therm_priv *priv; + int ret; + + ret = nouveau_subdev_create_(parent, engine, oclass, 0, "PTHERM", + "therm", length, pobject); + priv = *pobject; + if (ret) + return ret; + + nouveau_alarm_init(&priv->alarm, nouveau_therm_alarm); + spin_lock_init(&priv->lock); + spin_lock_init(&priv->sensor.alarm_program_lock); + + priv->base.fan_get = nouveau_therm_fan_user_get; + priv->base.fan_set = nouveau_therm_fan_user_set; + priv->base.fan_sense = nouveau_therm_fan_sense; + priv->base.attr_get = nouveau_therm_attr_get; + priv->base.attr_set = nouveau_therm_attr_set; + priv->mode = priv->suspend = -1; /* undefined */ + return 0; +} + +int +nouveau_therm_preinit(struct nouveau_therm *therm) +{ + nouveau_therm_ic_ctor(therm); + nouveau_therm_sensor_ctor(therm); + nouveau_therm_fan_ctor(therm); + + nouveau_therm_mode(therm, NOUVEAU_THERM_CTRL_NONE); + return 0; +} + +void +_nouveau_therm_dtor(struct nouveau_object *object) +{ + struct nouveau_therm_priv *priv = (void *)object; + kfree(priv->fan); + nouveau_subdev_destroy(&priv->base.base); +} diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c b/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c index 52317868518..c728380d3d6 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c @@ -27,90 +27,107 @@ #include <core/object.h> #include <core/device.h> + #include <subdev/gpio.h> #include <subdev/timer.h> -int -nouveau_therm_fan_get(struct nouveau_therm *therm) +static int +nouveau_fan_update(struct nouveau_fan *fan, bool immediate, int target) { + struct nouveau_therm *therm = fan->parent; struct nouveau_therm_priv *priv = (void *)therm; - struct nouveau_gpio *gpio = nouveau_gpio(therm); - struct dcb_gpio_func func; - int card_type = nv_device(therm)->card_type; - u32 divs, duty; - int ret; - - if (!priv->fan.pwm_get) - return -ENODEV; + struct nouveau_timer *ptimer = nouveau_timer(priv); + unsigned long flags; + int ret = 0; + int duty; + + /* update target fan speed, restricting to allowed range */ + spin_lock_irqsave(&fan->lock, flags); + if (target < 0) + target = fan->percent; + target = max_t(u8, target, fan->bios.min_duty); + target = min_t(u8, target, fan->bios.max_duty); + if (fan->percent != target) { + nv_debug(therm, "FAN target: %d\n", target); + fan->percent = target; + } - ret = gpio->find(gpio, 0, DCB_GPIO_PWM_FAN, 0xff, &func); - if (ret == 0) { - ret = priv->fan.pwm_get(therm, func.line, &divs, &duty); - if (ret == 0 && divs) { - divs = max(divs, duty); - if (card_type <= NV_40 || (func.log[0] & 1)) - duty = divs - duty; - return (duty * 100) / divs; - } + /* check that we're not already at the target duty cycle */ + duty = fan->get(therm); + if (duty == target) + goto done; + + /* smooth out the fanspeed increase/decrease */ + if (!immediate && duty >= 0) { + /* the constant "3" is a rough approximation taken from + * nvidia's behaviour. + * it is meant to bump the fan speed more incrementally + */ + if (duty < target) + duty = min(duty + 3, target); + else if (duty > target) + duty = max(duty - 3, target); + } else { + duty = target; + } - return gpio->get(gpio, 0, func.func, func.line) * 100; + nv_debug(therm, "FAN update: %d\n", duty); + ret = fan->set(therm, duty); + if (ret) + goto done; + + /* schedule next fan update, if not at target speed already */ + if (list_empty(&fan->alarm.head) && target != duty) { + u16 bump_period = fan->bios.bump_period; + u16 slow_down_period = fan->bios.slow_down_period; + u64 delay; + + if (duty > target) + delay = slow_down_period; + else if (duty == target) + delay = min(bump_period, slow_down_period) ; + else + delay = bump_period; + + ptimer->alarm(ptimer, delay * 1000 * 1000, &fan->alarm); } - return -ENODEV; +done: + spin_unlock_irqrestore(&fan->lock, flags); + return ret; +} + +static void +nouveau_fan_alarm(struct nouveau_alarm *alarm) +{ + struct nouveau_fan *fan = container_of(alarm, struct nouveau_fan, alarm); + nouveau_fan_update(fan, false, -1); } int -nouveau_therm_fan_set(struct nouveau_therm *therm, int percent) +nouveau_therm_fan_get(struct nouveau_therm *therm) { struct nouveau_therm_priv *priv = (void *)therm; - struct nouveau_gpio *gpio = nouveau_gpio(therm); - struct dcb_gpio_func func; - int card_type = nv_device(therm)->card_type; - u32 divs, duty; - int ret; - - if (priv->fan.mode == FAN_CONTROL_NONE) - return -EINVAL; - - if (!priv->fan.pwm_set) - return -ENODEV; - - if (percent < priv->bios_fan.min_duty) - percent = priv->bios_fan.min_duty; - if (percent > priv->bios_fan.max_duty) - percent = priv->bios_fan.max_duty; - - ret = gpio->find(gpio, 0, DCB_GPIO_PWM_FAN, 0xff, &func); - if (ret == 0) { - divs = priv->bios_perf_fan.pwm_divisor; - if (priv->bios_fan.pwm_freq) { - divs = 1; - if (priv->fan.pwm_clock) - divs = priv->fan.pwm_clock(therm); - divs /= priv->bios_fan.pwm_freq; - } - - duty = ((divs * percent) + 99) / 100; - if (card_type <= NV_40 || (func.log[0] & 1)) - duty = divs - duty; - - ret = priv->fan.pwm_set(therm, func.line, divs, duty); - return ret; - } + return priv->fan->get(therm); +} - return -ENODEV; +int +nouveau_therm_fan_set(struct nouveau_therm *therm, bool immediate, int percent) +{ + struct nouveau_therm_priv *priv = (void *)therm; + return nouveau_fan_update(priv->fan, immediate, percent); } int nouveau_therm_fan_sense(struct nouveau_therm *therm) { + struct nouveau_therm_priv *priv = (void *)therm; struct nouveau_timer *ptimer = nouveau_timer(therm); struct nouveau_gpio *gpio = nouveau_gpio(therm); - struct dcb_gpio_func func; u32 cycles, cur, prev; u64 start, end, tach; - if (gpio->find(gpio, 0, DCB_GPIO_FAN_SENSE, 0xff, &func)) + if (priv->fan->tach.func == DCB_GPIO_UNUSED) return -ENODEV; /* Time a complete rotation and extrapolate to RPM: @@ -118,12 +135,12 @@ nouveau_therm_fan_sense(struct nouveau_therm *therm) * We get 4 changes (0 -> 1 -> 0 -> 1) per complete rotation. */ start = ptimer->read(ptimer); - prev = gpio->get(gpio, 0, func.func, func.line); + prev = gpio->get(gpio, 0, priv->fan->tach.func, priv->fan->tach.line); cycles = 0; do { usleep_range(500, 1000); /* supports 0 < rpm < 7500 */ - cur = gpio->get(gpio, 0, func.func, func.line); + cur = gpio->get(gpio, 0, priv->fan->tach.func, priv->fan->tach.line); if (prev != cur) { if (!start) start = ptimer->read(ptimer); @@ -142,34 +159,6 @@ nouveau_therm_fan_sense(struct nouveau_therm *therm) } int -nouveau_therm_fan_set_mode(struct nouveau_therm *therm, - enum nouveau_therm_fan_mode mode) -{ - struct nouveau_therm_priv *priv = (void *)therm; - - if (priv->fan.mode == mode) - return 0; - - if (mode < FAN_CONTROL_NONE || mode >= FAN_CONTROL_NR) - return -EINVAL; - - switch (mode) - { - case FAN_CONTROL_NONE: - nv_info(therm, "switch fan to no-control mode\n"); - break; - case FAN_CONTROL_MANUAL: - nv_info(therm, "switch fan to manual mode\n"); - break; - case FAN_CONTROL_NR: - break; - } - - priv->fan.mode = mode; - return 0; -} - -int nouveau_therm_fan_user_get(struct nouveau_therm *therm) { return nouveau_therm_fan_get(therm); @@ -180,55 +169,86 @@ nouveau_therm_fan_user_set(struct nouveau_therm *therm, int percent) { struct nouveau_therm_priv *priv = (void *)therm; - if (priv->fan.mode != FAN_CONTROL_MANUAL) + if (priv->mode != NOUVEAU_THERM_CTRL_MANUAL) return -EINVAL; - return nouveau_therm_fan_set(therm, percent); + return nouveau_therm_fan_set(therm, true, percent); } -void +static void nouveau_therm_fan_set_defaults(struct nouveau_therm *therm) { struct nouveau_therm_priv *priv = (void *)therm; - priv->bios_fan.pwm_freq = 0; - priv->bios_fan.min_duty = 0; - priv->bios_fan.max_duty = 100; + priv->fan->bios.pwm_freq = 0; + priv->fan->bios.min_duty = 0; + priv->fan->bios.max_duty = 100; + priv->fan->bios.bump_period = 500; + priv->fan->bios.slow_down_period = 2000; + priv->fan->bios.linear_min_temp = 40; + priv->fan->bios.linear_max_temp = 85; } - static void nouveau_therm_fan_safety_checks(struct nouveau_therm *therm) { struct nouveau_therm_priv *priv = (void *)therm; - if (priv->bios_fan.min_duty > 100) - priv->bios_fan.min_duty = 100; - if (priv->bios_fan.max_duty > 100) - priv->bios_fan.max_duty = 100; + if (priv->fan->bios.min_duty > 100) + priv->fan->bios.min_duty = 100; + if (priv->fan->bios.max_duty > 100) + priv->fan->bios.max_duty = 100; - if (priv->bios_fan.min_duty > priv->bios_fan.max_duty) - priv->bios_fan.min_duty = priv->bios_fan.max_duty; -} - -int nouveau_fan_pwm_clock_dummy(struct nouveau_therm *therm) -{ - return 1; + if (priv->fan->bios.min_duty > priv->fan->bios.max_duty) + priv->fan->bios.min_duty = priv->fan->bios.max_duty; } int nouveau_therm_fan_ctor(struct nouveau_therm *therm) { struct nouveau_therm_priv *priv = (void *)therm; + struct nouveau_gpio *gpio = nouveau_gpio(therm); struct nouveau_bios *bios = nouveau_bios(therm); + struct dcb_gpio_func func; + int ret; + /* attempt to locate a drivable fan, and determine control method */ + ret = gpio->find(gpio, 0, DCB_GPIO_FAN, 0xff, &func); + if (ret == 0) { + if (func.log[0] & DCB_GPIO_LOG_DIR_IN) { + nv_debug(therm, "GPIO_FAN is in input mode\n"); + ret = -EINVAL; + } else { + ret = nouveau_fanpwm_create(therm, &func); + if (ret != 0) + ret = nouveau_fantog_create(therm, &func); + } + } + + /* no controllable fan found, create a dummy fan module */ + if (ret != 0) { + ret = nouveau_fannil_create(therm); + if (ret) + return ret; + } + + nv_info(therm, "FAN control: %s\n", priv->fan->type); + + /* attempt to detect a tachometer connection */ + ret = gpio->find(gpio, 0, DCB_GPIO_FAN_SENSE, 0xff, &priv->fan->tach); + if (ret) + priv->fan->tach.func = DCB_GPIO_UNUSED; + + /* initialise fan bump/slow update handling */ + priv->fan->parent = therm; + nouveau_alarm_init(&priv->fan->alarm, nouveau_fan_alarm); + spin_lock_init(&priv->fan->lock); + + /* other random init... */ nouveau_therm_fan_set_defaults(therm); - nvbios_perf_fan_parse(bios, &priv->bios_perf_fan); - if (nvbios_therm_fan_parse(bios, &priv->bios_fan)) + nvbios_perf_fan_parse(bios, &priv->fan->perf); + if (nvbios_therm_fan_parse(bios, &priv->fan->bios)) nv_error(therm, "parsing the thermal table failed\n"); nouveau_therm_fan_safety_checks(therm); - - nouveau_therm_fan_set_mode(therm, FAN_CONTROL_NONE); - return 0; } diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/fannil.c b/drivers/gpu/drm/nouveau/core/subdev/therm/fannil.c new file mode 100644 index 00000000000..b78c182e1d5 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/fannil.c @@ -0,0 +1,54 @@ +/* + * Copyright 2012 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs + */ + +#include "priv.h" + +static int +nouveau_fannil_get(struct nouveau_therm *therm) +{ + return -ENODEV; +} + +static int +nouveau_fannil_set(struct nouveau_therm *therm, int percent) +{ + return -ENODEV; +} + +int +nouveau_fannil_create(struct nouveau_therm *therm) +{ + struct nouveau_therm_priv *tpriv = (void *)therm; + struct nouveau_fan *priv; + + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + tpriv->fan = priv; + if (!priv) + return -ENOMEM; + + priv->type = "none / external"; + priv->get = nouveau_fannil_get; + priv->set = nouveau_fannil_set; + return 0; +} diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/fanpwm.c b/drivers/gpu/drm/nouveau/core/subdev/therm/fanpwm.c new file mode 100644 index 00000000000..5f71db8e899 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/fanpwm.c @@ -0,0 +1,107 @@ +/* + * Copyright 2012 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs + * Martin Peres + */ + +#include <core/option.h> +#include <subdev/gpio.h> + +#include "priv.h" + +struct nouveau_fanpwm_priv { + struct nouveau_fan base; + struct dcb_gpio_func func; +}; + +static int +nouveau_fanpwm_get(struct nouveau_therm *therm) +{ + struct nouveau_therm_priv *tpriv = (void *)therm; + struct nouveau_fanpwm_priv *priv = (void *)tpriv->fan; + struct nouveau_gpio *gpio = nouveau_gpio(therm); + int card_type = nv_device(therm)->card_type; + u32 divs, duty; + int ret; + + ret = therm->pwm_get(therm, priv->func.line, &divs, &duty); + if (ret == 0 && divs) { + divs = max(divs, duty); + if (card_type <= NV_40 || (priv->func.log[0] & 1)) + duty = divs - duty; + return (duty * 100) / divs; + } + + return gpio->get(gpio, 0, priv->func.func, priv->func.line) * 100; +} + +static int +nouveau_fanpwm_set(struct nouveau_therm *therm, int percent) +{ + struct nouveau_therm_priv *tpriv = (void *)therm; + struct nouveau_fanpwm_priv *priv = (void *)tpriv->fan; + int card_type = nv_device(therm)->card_type; + u32 divs, duty; + int ret; + + divs = priv->base.perf.pwm_divisor; + if (priv->base.bios.pwm_freq) { + divs = 1; + if (therm->pwm_clock) + divs = therm->pwm_clock(therm); + divs /= priv->base.bios.pwm_freq; + } + + duty = ((divs * percent) + 99) / 100; + if (card_type <= NV_40 || (priv->func.log[0] & 1)) + duty = divs - duty; + + ret = therm->pwm_set(therm, priv->func.line, divs, duty); + if (ret == 0) + ret = therm->pwm_ctrl(therm, priv->func.line, true); + return ret; +} + +int +nouveau_fanpwm_create(struct nouveau_therm *therm, struct dcb_gpio_func *func) +{ + struct nouveau_device *device = nv_device(therm); + struct nouveau_therm_priv *tpriv = (void *)therm; + struct nouveau_fanpwm_priv *priv; + u32 divs, duty; + + if (!nouveau_boolopt(device->cfgopt, "NvFanPWM", func->param) || + !therm->pwm_ctrl || + therm->pwm_get(therm, func->line, &divs, &duty) == -ENODEV) + return -ENODEV; + + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + tpriv->fan = &priv->base; + if (!priv) + return -ENOMEM; + + priv->base.type = "PWM"; + priv->base.get = nouveau_fanpwm_get; + priv->base.set = nouveau_fanpwm_set; + priv->func = *func; + return 0; +} diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/fantog.c b/drivers/gpu/drm/nouveau/core/subdev/therm/fantog.c new file mode 100644 index 00000000000..e601773ee47 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/fantog.c @@ -0,0 +1,115 @@ +/* + * Copyright 2012 The Nouveau community + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Martin Peres + */ + +#include "priv.h" + +#include <core/object.h> +#include <core/device.h> + +#include <subdev/gpio.h> +#include <subdev/timer.h> + +struct nouveau_fantog_priv { + struct nouveau_fan base; + struct nouveau_alarm alarm; + spinlock_t lock; + u32 period_us; + u32 percent; + struct dcb_gpio_func func; +}; + +static void +nouveau_fantog_update(struct nouveau_fantog_priv *priv, int percent) +{ + struct nouveau_therm_priv *tpriv = (void *)priv->base.parent; + struct nouveau_timer *ptimer = nouveau_timer(tpriv); + struct nouveau_gpio *gpio = nouveau_gpio(tpriv); + unsigned long flags; + int duty; + + spin_lock_irqsave(&priv->lock, flags); + if (percent < 0) + percent = priv->percent; + priv->percent = percent; + + duty = !gpio->get(gpio, 0, DCB_GPIO_FAN, 0xff); + gpio->set(gpio, 0, DCB_GPIO_FAN, 0xff, duty); + + if (list_empty(&priv->alarm.head) && percent != (duty * 100)) { + u64 next_change = (percent * priv->period_us) / 100; + if (!duty) + next_change = priv->period_us - next_change; + ptimer->alarm(ptimer, next_change * 1000, &priv->alarm); + } + spin_unlock_irqrestore(&priv->lock, flags); +} + +static void +nouveau_fantog_alarm(struct nouveau_alarm *alarm) +{ + struct nouveau_fantog_priv *priv = + container_of(alarm, struct nouveau_fantog_priv, alarm); + nouveau_fantog_update(priv, -1); +} + +static int +nouveau_fantog_get(struct nouveau_therm *therm) +{ + struct nouveau_therm_priv *tpriv = (void *)therm; + struct nouveau_fantog_priv *priv = (void *)tpriv->fan; + return priv->percent; +} + +static int +nouveau_fantog_set(struct nouveau_therm *therm, int percent) +{ + struct nouveau_therm_priv *tpriv = (void *)therm; + struct nouveau_fantog_priv *priv = (void *)tpriv->fan; + if (therm->pwm_ctrl) + therm->pwm_ctrl(therm, priv->func.line, false); + nouveau_fantog_update(priv, percent); + return 0; +} + +int +nouveau_fantog_create(struct nouveau_therm *therm, struct dcb_gpio_func *func) +{ + struct nouveau_therm_priv *tpriv = (void *)therm; + struct nouveau_fantog_priv *priv; + + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + tpriv->fan = &priv->base; + if (!priv) + return -ENOMEM; + + priv->base.type = "toggle"; + priv->base.get = nouveau_fantog_get; + priv->base.set = nouveau_fantog_set; + nouveau_alarm_init(&priv->alarm, nouveau_fantog_alarm); + priv->period_us = 100000; /* 10Hz */ + priv->percent = 100; + priv->func = *func; + spin_lock_init(&priv->lock); + return 0; +} diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/ic.c b/drivers/gpu/drm/nouveau/core/subdev/therm/ic.c index e512ff0aae6..e24090bac19 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/therm/ic.c +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/ic.c @@ -31,7 +31,7 @@ static bool probe_monitoring_device(struct nouveau_i2c_port *i2c, struct i2c_board_info *info) { - struct nouveau_therm_priv *priv = (void *)nouveau_therm(i2c->i2c); + struct nouveau_therm_priv *priv = (void *)nouveau_therm(i2c); struct i2c_client *client; request_module("%s%s", I2C_MODULE_PREFIX, info->type); @@ -53,6 +53,31 @@ probe_monitoring_device(struct nouveau_i2c_port *i2c, return true; } +static struct i2c_board_info +nv_board_infos[] = { + { I2C_BOARD_INFO("w83l785ts", 0x2d) }, + { I2C_BOARD_INFO("w83781d", 0x2d) }, + { I2C_BOARD_INFO("adt7473", 0x2e) }, + { I2C_BOARD_INFO("adt7473", 0x2d) }, + { I2C_BOARD_INFO("adt7473", 0x2c) }, + { I2C_BOARD_INFO("f75375", 0x2e) }, + { I2C_BOARD_INFO("lm99", 0x4c) }, + { I2C_BOARD_INFO("lm90", 0x4c) }, + { I2C_BOARD_INFO("lm90", 0x4d) }, + { I2C_BOARD_INFO("adm1021", 0x18) }, + { I2C_BOARD_INFO("adm1021", 0x19) }, + { I2C_BOARD_INFO("adm1021", 0x1a) }, + { I2C_BOARD_INFO("adm1021", 0x29) }, + { I2C_BOARD_INFO("adm1021", 0x2a) }, + { I2C_BOARD_INFO("adm1021", 0x2b) }, + { I2C_BOARD_INFO("adm1021", 0x4c) }, + { I2C_BOARD_INFO("adm1021", 0x4d) }, + { I2C_BOARD_INFO("adm1021", 0x4e) }, + { I2C_BOARD_INFO("lm63", 0x18) }, + { I2C_BOARD_INFO("lm63", 0x4e) }, + { } +}; + void nouveau_therm_ic_ctor(struct nouveau_therm *therm) { @@ -60,29 +85,6 @@ nouveau_therm_ic_ctor(struct nouveau_therm *therm) struct nouveau_bios *bios = nouveau_bios(therm); struct nouveau_i2c *i2c = nouveau_i2c(therm); struct nvbios_extdev_func extdev_entry; - struct i2c_board_info info[] = { - { I2C_BOARD_INFO("w83l785ts", 0x2d) }, - { I2C_BOARD_INFO("w83781d", 0x2d) }, - { I2C_BOARD_INFO("adt7473", 0x2e) }, - { I2C_BOARD_INFO("adt7473", 0x2d) }, - { I2C_BOARD_INFO("adt7473", 0x2c) }, - { I2C_BOARD_INFO("f75375", 0x2e) }, - { I2C_BOARD_INFO("lm99", 0x4c) }, - { I2C_BOARD_INFO("lm90", 0x4c) }, - { I2C_BOARD_INFO("lm90", 0x4d) }, - { I2C_BOARD_INFO("adm1021", 0x18) }, - { I2C_BOARD_INFO("adm1021", 0x19) }, - { I2C_BOARD_INFO("adm1021", 0x1a) }, - { I2C_BOARD_INFO("adm1021", 0x29) }, - { I2C_BOARD_INFO("adm1021", 0x2a) }, - { I2C_BOARD_INFO("adm1021", 0x2b) }, - { I2C_BOARD_INFO("adm1021", 0x4c) }, - { I2C_BOARD_INFO("adm1021", 0x4d) }, - { I2C_BOARD_INFO("adm1021", 0x4e) }, - { I2C_BOARD_INFO("lm63", 0x18) }, - { I2C_BOARD_INFO("lm63", 0x4e) }, - { } - }; if (!nvbios_extdev_find(bios, NVBIOS_EXTDEV_LM89, &extdev_entry)) { struct i2c_board_info board[] = { @@ -111,6 +113,6 @@ nouveau_therm_ic_ctor(struct nouveau_therm *therm) /* The vbios doesn't provide the address of an exisiting monitoring device. Let's try our static list. */ - i2c->identify(i2c, NV_I2C_DEFAULT(0), "monitoring device", info, - probe_monitoring_device); + i2c->identify(i2c, NV_I2C_DEFAULT(0), "monitoring device", + nv_board_infos, probe_monitoring_device); } diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c b/drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c index fcf2cfe731d..0f5363edb96 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c @@ -25,6 +25,10 @@ #include "priv.h" +struct nv40_therm_priv { + struct nouveau_therm_priv base; +}; + static int nv40_sensor_setup(struct nouveau_therm *therm) { @@ -34,6 +38,7 @@ nv40_sensor_setup(struct nouveau_therm *therm) if (device->chipset >= 0x46) { nv_mask(therm, 0x15b8, 0x80000000, 0); nv_wr32(therm, 0x15b0, 0x80003fff); + mdelay(10); /* wait for the temperature to stabilize */ return nv_rd32(therm, 0x15b4) & 0x3fff; } else { nv_wr32(therm, 0x15b0, 0xff); @@ -75,7 +80,20 @@ nv40_temp_get(struct nouveau_therm *therm) return core_temp; } -int +static int +nv40_fan_pwm_ctrl(struct nouveau_therm *therm, int line, bool enable) +{ + u32 mask = enable ? 0x80000000 : 0x0000000; + if (line == 2) nv_mask(therm, 0x0010f0, 0x80000000, mask); + else if (line == 9) nv_mask(therm, 0x0015f4, 0x80000000, mask); + else { + nv_error(therm, "unknown pwm ctrl for gpio %d\n", line); + return -ENODEV; + } + return 0; +} + +static int nv40_fan_pwm_get(struct nouveau_therm *therm, int line, u32 *divs, u32 *duty) { if (line == 2) { @@ -101,15 +119,15 @@ nv40_fan_pwm_get(struct nouveau_therm *therm, int line, u32 *divs, u32 *duty) return -EINVAL; } -int +static int nv40_fan_pwm_set(struct nouveau_therm *therm, int line, u32 divs, u32 duty) { if (line == 2) { - nv_wr32(therm, 0x0010f0, 0x80000000 | (duty << 16) | divs); + nv_mask(therm, 0x0010f0, 0x7fff7fff, (duty << 16) | divs); } else if (line == 9) { nv_wr32(therm, 0x0015f8, divs); - nv_wr32(therm, 0x0015f4, duty | 0x80000000); + nv_mask(therm, 0x0015f4, 0x7fffffff, duty); } else { nv_error(therm, "unknown pwm ctrl for gpio %d\n", line); return -ENODEV; @@ -118,37 +136,51 @@ nv40_fan_pwm_set(struct nouveau_therm *therm, int line, u32 divs, u32 duty) return 0; } +static void +nv40_therm_intr(struct nouveau_subdev *subdev) +{ + struct nouveau_therm *therm = nouveau_therm(subdev); + uint32_t stat = nv_rd32(therm, 0x1100); + + /* traitement */ + + /* ack all IRQs */ + nv_wr32(therm, 0x1100, 0x70000); + + nv_error(therm, "THERM received an IRQ: stat = %x\n", stat); +} + static int nv40_therm_ctor(struct nouveau_object *parent, - struct nouveau_object *engine, - struct nouveau_oclass *oclass, void *data, u32 size, - struct nouveau_object **pobject) + struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) { - struct nouveau_therm_priv *priv; - struct nouveau_therm *therm; + struct nv40_therm_priv *priv; int ret; ret = nouveau_therm_create(parent, engine, oclass, &priv); *pobject = nv_object(priv); - therm = (void *) priv; if (ret) return ret; - nouveau_therm_ic_ctor(therm); - nouveau_therm_sensor_ctor(therm); - nouveau_therm_fan_ctor(therm); + priv->base.base.pwm_ctrl = nv40_fan_pwm_ctrl; + priv->base.base.pwm_get = nv40_fan_pwm_get; + priv->base.base.pwm_set = nv40_fan_pwm_set; + priv->base.base.temp_get = nv40_temp_get; + priv->base.sensor.program_alarms = nouveau_therm_program_alarms_polling; + nv_subdev(priv)->intr = nv40_therm_intr; + return nouveau_therm_preinit(&priv->base.base); +} - priv->fan.pwm_get = nv40_fan_pwm_get; - priv->fan.pwm_set = nv40_fan_pwm_set; +static int +nv40_therm_init(struct nouveau_object *object) +{ + struct nouveau_therm *therm = (void *)object; - therm->temp_get = nv40_temp_get; - therm->fan_get = nouveau_therm_fan_user_get; - therm->fan_set = nouveau_therm_fan_user_set; - therm->fan_sense = nouveau_therm_fan_sense; - therm->attr_get = nouveau_therm_attr_get; - therm->attr_set = nouveau_therm_attr_set; + nv40_sensor_setup(therm); - return 0; + return _nouveau_therm_init(object); } struct nouveau_oclass @@ -157,7 +189,7 @@ nv40_therm_oclass = { .ofuncs = &(struct nouveau_ofuncs) { .ctor = nv40_therm_ctor, .dtor = _nouveau_therm_dtor, - .init = nouveau_therm_init, - .fini = nouveau_therm_fini, + .init = nv40_therm_init, + .fini = _nouveau_therm_fini, }, -};
\ No newline at end of file +}; diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/therm/nv50.c index 9360ddd469e..86632cbd65c 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/therm/nv50.c +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/nv50.c @@ -25,6 +25,10 @@ #include "priv.h" +struct nv50_therm_priv { + struct nouveau_therm_priv base; +}; + static int pwm_info(struct nouveau_therm *therm, int *line, int *ctrl, int *indx) { @@ -51,6 +55,16 @@ pwm_info(struct nouveau_therm *therm, int *line, int *ctrl, int *indx) } int +nv50_fan_pwm_ctrl(struct nouveau_therm *therm, int line, bool enable) +{ + u32 data = enable ? 0x00000001 : 0x00000000; + int ctrl, id, ret = pwm_info(therm, &line, &ctrl, &id); + if (ret == 0) + nv_mask(therm, ctrl, 0x00010001 << line, data << line); + return ret; +} + +int nv50_fan_pwm_get(struct nouveau_therm *therm, int line, u32 *divs, u32 *duty) { int ctrl, id, ret = pwm_info(therm, &line, &ctrl, &id); @@ -73,7 +87,6 @@ nv50_fan_pwm_set(struct nouveau_therm *therm, int line, u32 divs, u32 duty) if (ret) return ret; - nv_mask(therm, ctrl, 0x00010001 << line, 0x00000001 << line); nv_wr32(therm, 0x00e114 + (id * 8), divs); nv_wr32(therm, 0x00e118 + (id * 8), duty | 0x80000000); return 0; @@ -111,38 +124,178 @@ nv50_temp_get(struct nouveau_therm *therm) return nv_rd32(therm, 0x20400); } +static void +nv50_therm_program_alarms(struct nouveau_therm *therm) +{ + struct nouveau_therm_priv *priv = (void *)therm; + struct nvbios_therm_sensor *sensor = &priv->bios_sensor; + unsigned long flags; + + spin_lock_irqsave(&priv->sensor.alarm_program_lock, flags); + + /* enable RISING and FALLING IRQs for shutdown, THRS 0, 1, 2 and 4 */ + nv_wr32(therm, 0x20000, 0x000003ff); + + /* shutdown: The computer should be shutdown when reached */ + nv_wr32(therm, 0x20484, sensor->thrs_shutdown.hysteresis); + nv_wr32(therm, 0x20480, sensor->thrs_shutdown.temp); + + /* THRS_1 : fan boost*/ + nv_wr32(therm, 0x204c4, sensor->thrs_fan_boost.temp); + + /* THRS_2 : critical */ + nv_wr32(therm, 0x204c0, sensor->thrs_critical.temp); + + /* THRS_4 : down clock */ + nv_wr32(therm, 0x20414, sensor->thrs_down_clock.temp); + spin_unlock_irqrestore(&priv->sensor.alarm_program_lock, flags); + + nv_info(therm, + "Programmed thresholds [ %d(%d), %d(%d), %d(%d), %d(%d) ]\n", + sensor->thrs_fan_boost.temp, sensor->thrs_fan_boost.hysteresis, + sensor->thrs_down_clock.temp, + sensor->thrs_down_clock.hysteresis, + sensor->thrs_critical.temp, sensor->thrs_critical.hysteresis, + sensor->thrs_shutdown.temp, sensor->thrs_shutdown.hysteresis); + +} + +/* must be called with alarm_program_lock taken ! */ +static void +nv50_therm_threshold_hyst_emulation(struct nouveau_therm *therm, + uint32_t thrs_reg, u8 status_bit, + const struct nvbios_therm_threshold *thrs, + enum nouveau_therm_thrs thrs_name) +{ + enum nouveau_therm_thrs_direction direction; + enum nouveau_therm_thrs_state prev_state, new_state; + int temp, cur; + + prev_state = nouveau_therm_sensor_get_threshold_state(therm, thrs_name); + temp = nv_rd32(therm, thrs_reg); + + /* program the next threshold */ + if (temp == thrs->temp) { + nv_wr32(therm, thrs_reg, thrs->temp - thrs->hysteresis); + new_state = NOUVEAU_THERM_THRS_HIGHER; + } else { + nv_wr32(therm, thrs_reg, thrs->temp); + new_state = NOUVEAU_THERM_THRS_LOWER; + } + + /* fix the state (in case someone reprogrammed the alarms) */ + cur = therm->temp_get(therm); + if (new_state == NOUVEAU_THERM_THRS_LOWER && cur > thrs->temp) + new_state = NOUVEAU_THERM_THRS_HIGHER; + else if (new_state == NOUVEAU_THERM_THRS_HIGHER && + cur < thrs->temp - thrs->hysteresis) + new_state = NOUVEAU_THERM_THRS_LOWER; + nouveau_therm_sensor_set_threshold_state(therm, thrs_name, new_state); + + /* find the direction */ + if (prev_state < new_state) + direction = NOUVEAU_THERM_THRS_RISING; + else if (prev_state > new_state) + direction = NOUVEAU_THERM_THRS_FALLING; + else + return; + + /* advertise a change in direction */ + nouveau_therm_sensor_event(therm, thrs_name, direction); +} + +static void +nv50_therm_intr(struct nouveau_subdev *subdev) +{ + struct nouveau_therm *therm = nouveau_therm(subdev); + struct nouveau_therm_priv *priv = (void *)therm; + struct nvbios_therm_sensor *sensor = &priv->bios_sensor; + unsigned long flags; + uint32_t intr; + + spin_lock_irqsave(&priv->sensor.alarm_program_lock, flags); + + intr = nv_rd32(therm, 0x20100); + + /* THRS_4: downclock */ + if (intr & 0x002) { + nv50_therm_threshold_hyst_emulation(therm, 0x20414, 24, + &sensor->thrs_down_clock, + NOUVEAU_THERM_THRS_DOWNCLOCK); + intr &= ~0x002; + } + + /* shutdown */ + if (intr & 0x004) { + nv50_therm_threshold_hyst_emulation(therm, 0x20480, 20, + &sensor->thrs_shutdown, + NOUVEAU_THERM_THRS_SHUTDOWN); + intr &= ~0x004; + } + + /* THRS_1 : fan boost */ + if (intr & 0x008) { + nv50_therm_threshold_hyst_emulation(therm, 0x204c4, 21, + &sensor->thrs_fan_boost, + NOUVEAU_THERM_THRS_FANBOOST); + intr &= ~0x008; + } + + /* THRS_2 : critical */ + if (intr & 0x010) { + nv50_therm_threshold_hyst_emulation(therm, 0x204c0, 22, + &sensor->thrs_critical, + NOUVEAU_THERM_THRS_CRITICAL); + intr &= ~0x010; + } + + if (intr) + nv_error(therm, "unhandled intr 0x%08x\n", intr); + + /* ACK everything */ + nv_wr32(therm, 0x20100, 0xffffffff); + nv_wr32(therm, 0x1100, 0x10000); /* PBUS */ + + spin_unlock_irqrestore(&priv->sensor.alarm_program_lock, flags); +} + static int nv50_therm_ctor(struct nouveau_object *parent, - struct nouveau_object *engine, - struct nouveau_oclass *oclass, void *data, u32 size, - struct nouveau_object **pobject) + struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) { - struct nouveau_therm_priv *priv; - struct nouveau_therm *therm; + struct nv50_therm_priv *priv; int ret; ret = nouveau_therm_create(parent, engine, oclass, &priv); *pobject = nv_object(priv); - therm = (void *) priv; if (ret) return ret; - nouveau_therm_ic_ctor(therm); - nouveau_therm_sensor_ctor(therm); - nouveau_therm_fan_ctor(therm); + priv->base.base.pwm_ctrl = nv50_fan_pwm_ctrl; + priv->base.base.pwm_get = nv50_fan_pwm_get; + priv->base.base.pwm_set = nv50_fan_pwm_set; + priv->base.base.pwm_clock = nv50_fan_pwm_clock; + priv->base.base.temp_get = nv50_temp_get; + priv->base.sensor.program_alarms = nv50_therm_program_alarms; + nv_subdev(priv)->intr = nv50_therm_intr; - priv->fan.pwm_get = nv50_fan_pwm_get; - priv->fan.pwm_set = nv50_fan_pwm_set; - priv->fan.pwm_clock = nv50_fan_pwm_clock; + /* init the thresholds */ + nouveau_therm_sensor_set_threshold_state(&priv->base.base, + NOUVEAU_THERM_THRS_SHUTDOWN, + NOUVEAU_THERM_THRS_LOWER); + nouveau_therm_sensor_set_threshold_state(&priv->base.base, + NOUVEAU_THERM_THRS_FANBOOST, + NOUVEAU_THERM_THRS_LOWER); + nouveau_therm_sensor_set_threshold_state(&priv->base.base, + NOUVEAU_THERM_THRS_CRITICAL, + NOUVEAU_THERM_THRS_LOWER); + nouveau_therm_sensor_set_threshold_state(&priv->base.base, + NOUVEAU_THERM_THRS_DOWNCLOCK, + NOUVEAU_THERM_THRS_LOWER); - therm->temp_get = nv50_temp_get; - therm->fan_get = nouveau_therm_fan_user_get; - therm->fan_set = nouveau_therm_fan_user_set; - therm->fan_sense = nouveau_therm_fan_sense; - therm->attr_get = nouveau_therm_attr_get; - therm->attr_set = nouveau_therm_attr_set; - - return 0; + return nouveau_therm_preinit(&priv->base.base); } struct nouveau_oclass @@ -151,7 +304,7 @@ nv50_therm_oclass = { .ofuncs = &(struct nouveau_ofuncs) { .ctor = nv50_therm_ctor, .dtor = _nouveau_therm_dtor, - .init = nouveau_therm_init, - .fini = nouveau_therm_fini, + .init = _nouveau_therm_init, + .fini = _nouveau_therm_fini, }, }; diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/nva3.c b/drivers/gpu/drm/nouveau/core/subdev/therm/nva3.c new file mode 100644 index 00000000000..2dcc5437116 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/nva3.c @@ -0,0 +1,99 @@ +/* + * Copyright 2012 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs + */ + +#include <subdev/gpio.h> + +#include "priv.h" + +struct nva3_therm_priv { + struct nouveau_therm_priv base; +}; + +int +nva3_therm_fan_sense(struct nouveau_therm *therm) +{ + u32 tach = nv_rd32(therm, 0x00e728) & 0x0000ffff; + u32 ctrl = nv_rd32(therm, 0x00e720); + if (ctrl & 0x00000001) + return tach * 60; + return -ENODEV; +} + +static int +nva3_therm_init(struct nouveau_object *object) +{ + struct nva3_therm_priv *priv = (void *)object; + struct dcb_gpio_func *tach = &priv->base.fan->tach; + int ret; + + ret = nouveau_therm_init(&priv->base.base); + if (ret) + return ret; + + /* enable fan tach, count revolutions per-second */ + nv_mask(priv, 0x00e720, 0x00000003, 0x00000002); + if (tach->func != DCB_GPIO_UNUSED) { + nv_wr32(priv, 0x00e724, nv_device(priv)->crystal * 1000); + nv_mask(priv, 0x00e720, 0x001f0000, tach->line << 16); + nv_mask(priv, 0x00e720, 0x00000001, 0x00000001); + } + nv_mask(priv, 0x00e720, 0x00000002, 0x00000000); + + return 0; +} + +static int +nva3_therm_ctor(struct nouveau_object *parent, + struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nva3_therm_priv *priv; + int ret; + + ret = nouveau_therm_create(parent, engine, oclass, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + priv->base.base.pwm_ctrl = nv50_fan_pwm_ctrl; + priv->base.base.pwm_get = nv50_fan_pwm_get; + priv->base.base.pwm_set = nv50_fan_pwm_set; + priv->base.base.pwm_clock = nv50_fan_pwm_clock; + priv->base.base.temp_get = nv50_temp_get; + priv->base.base.fan_sense = nva3_therm_fan_sense; + priv->base.sensor.program_alarms = nouveau_therm_program_alarms_polling; + return nouveau_therm_preinit(&priv->base.base); +} + +struct nouveau_oclass +nva3_therm_oclass = { + .handle = NV_SUBDEV(THERM, 0xa3), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nva3_therm_ctor, + .dtor = _nouveau_therm_dtor, + .init = nva3_therm_init, + .fini = _nouveau_therm_fini, + }, +}; diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/nvd0.c b/drivers/gpu/drm/nouveau/core/subdev/therm/nvd0.c new file mode 100644 index 00000000000..d7d30ee8332 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/nvd0.c @@ -0,0 +1,153 @@ +/* + * Copyright 2012 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs + */ + +#include "priv.h" + +struct nvd0_therm_priv { + struct nouveau_therm_priv base; +}; + +static int +pwm_info(struct nouveau_therm *therm, int line) +{ + u32 gpio = nv_rd32(therm, 0x00d610 + (line * 0x04)); + switch (gpio & 0x000000c0) { + case 0x00000000: /* normal mode, possibly pwm forced off by us */ + case 0x00000040: /* nvio special */ + switch (gpio & 0x0000001f) { + case 0x19: return 1; + case 0x1c: return 0; + default: + break; + } + default: + break; + } + + nv_error(therm, "GPIO %d unknown PWM: 0x%08x\n", line, gpio); + return -ENODEV; +} + +static int +nvd0_fan_pwm_ctrl(struct nouveau_therm *therm, int line, bool enable) +{ + u32 data = enable ? 0x00000040 : 0x00000000; + int indx = pwm_info(therm, line); + if (indx < 0) + return indx; + + nv_mask(therm, 0x00d610 + (line * 0x04), 0x000000c0, data); + return 0; +} + +static int +nvd0_fan_pwm_get(struct nouveau_therm *therm, int line, u32 *divs, u32 *duty) +{ + int indx = pwm_info(therm, line); + if (indx < 0) + return indx; + + if (nv_rd32(therm, 0x00d610 + (line * 0x04)) & 0x00000040) { + *divs = nv_rd32(therm, 0x00e114 + (indx * 8)); + *duty = nv_rd32(therm, 0x00e118 + (indx * 8)); + return 0; + } + + return -EINVAL; +} + +static int +nvd0_fan_pwm_set(struct nouveau_therm *therm, int line, u32 divs, u32 duty) +{ + int indx = pwm_info(therm, line); + if (indx < 0) + return indx; + + nv_wr32(therm, 0x00e114 + (indx * 8), divs); + nv_wr32(therm, 0x00e118 + (indx * 8), duty | 0x80000000); + return 0; +} + +static int +nvd0_fan_pwm_clock(struct nouveau_therm *therm) +{ + return (nv_device(therm)->crystal * 1000) / 20; +} + +static int +nvd0_therm_init(struct nouveau_object *object) +{ + struct nvd0_therm_priv *priv = (void *)object; + int ret; + + ret = nouveau_therm_init(&priv->base.base); + if (ret) + return ret; + + /* enable fan tach, count revolutions per-second */ + nv_mask(priv, 0x00e720, 0x00000003, 0x00000002); + if (priv->base.fan->tach.func != DCB_GPIO_UNUSED) { + nv_mask(priv, 0x00d79c, 0x000000ff, priv->base.fan->tach.line); + nv_wr32(priv, 0x00e724, nv_device(priv)->crystal * 1000); + nv_mask(priv, 0x00e720, 0x00000001, 0x00000001); + } + nv_mask(priv, 0x00e720, 0x00000002, 0x00000000); + + return 0; +} + +static int +nvd0_therm_ctor(struct nouveau_object *parent, + struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nvd0_therm_priv *priv; + int ret; + + ret = nouveau_therm_create(parent, engine, oclass, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + priv->base.base.pwm_ctrl = nvd0_fan_pwm_ctrl; + priv->base.base.pwm_get = nvd0_fan_pwm_get; + priv->base.base.pwm_set = nvd0_fan_pwm_set; + priv->base.base.pwm_clock = nvd0_fan_pwm_clock; + priv->base.base.temp_get = nv50_temp_get; + priv->base.base.fan_sense = nva3_therm_fan_sense; + priv->base.sensor.program_alarms = nouveau_therm_program_alarms_polling; + return nouveau_therm_preinit(&priv->base.base); +} + +struct nouveau_oclass +nvd0_therm_oclass = { + .handle = NV_SUBDEV(THERM, 0xd0), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nvd0_therm_ctor, + .dtor = _nouveau_therm_dtor, + .init = nvd0_therm_init, + .fini = _nouveau_therm_fini, + }, +}; diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/priv.h b/drivers/gpu/drm/nouveau/core/subdev/therm/priv.h index 1c3cd6abc36..06b98706b3f 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/therm/priv.h +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/priv.h @@ -1,3 +1,6 @@ +#ifndef __NVTHERM_PRIV_H__ +#define __NVTHERM_PRIV_H__ + /* * Copyright 2012 The Nouveau community * @@ -25,33 +28,81 @@ #include <subdev/therm.h> #include <subdev/bios/extdev.h> +#include <subdev/bios/gpio.h> #include <subdev/bios/perf.h> #include <subdev/bios/therm.h> +#include <subdev/timer.h> + +struct nouveau_fan { + struct nouveau_therm *parent; + const char *type; + + struct nvbios_therm_fan bios; + struct nvbios_perf_fan perf; + + struct nouveau_alarm alarm; + spinlock_t lock; + int percent; + + int (*get)(struct nouveau_therm *therm); + int (*set)(struct nouveau_therm *therm, int percent); + + struct dcb_gpio_func tach; +}; + +enum nouveau_therm_thrs_direction { + NOUVEAU_THERM_THRS_FALLING = 0, + NOUVEAU_THERM_THRS_RISING = 1 +}; + +enum nouveau_therm_thrs_state { + NOUVEAU_THERM_THRS_LOWER = 0, + NOUVEAU_THERM_THRS_HIGHER = 1 +}; + +enum nouveau_therm_thrs { + NOUVEAU_THERM_THRS_FANBOOST = 0, + NOUVEAU_THERM_THRS_DOWNCLOCK = 1, + NOUVEAU_THERM_THRS_CRITICAL = 2, + NOUVEAU_THERM_THRS_SHUTDOWN = 3, + NOUVEAU_THERM_THRS_NR +}; struct nouveau_therm_priv { struct nouveau_therm base; + /* automatic thermal management */ + struct nouveau_alarm alarm; + spinlock_t lock; + struct nouveau_therm_trip_point *last_trip; + int mode; + int suspend; + /* bios */ struct nvbios_therm_sensor bios_sensor; - struct nvbios_therm_fan bios_fan; - struct nvbios_perf_fan bios_perf_fan; /* fan priv */ + struct nouveau_fan *fan; + + /* alarms priv */ struct { - enum nouveau_therm_fan_mode mode; - int percent; + spinlock_t alarm_program_lock; + struct nouveau_alarm therm_poll_alarm; + enum nouveau_therm_thrs_state alarm_state[NOUVEAU_THERM_THRS_NR]; + void (*program_alarms)(struct nouveau_therm *); + } sensor; - int (*pwm_get)(struct nouveau_therm *, int line, u32*, u32*); - int (*pwm_set)(struct nouveau_therm *, int line, u32, u32); - int (*pwm_clock)(struct nouveau_therm *); - } fan; + /* what should be done if the card overheats */ + struct { + void (*downclock)(struct nouveau_therm *, bool active); + void (*pause)(struct nouveau_therm *, bool active); + } emergency; /* ic */ struct i2c_client *ic; }; -int nouveau_therm_init(struct nouveau_object *object); -int nouveau_therm_fini(struct nouveau_object *object, bool suspend); +int nouveau_therm_mode(struct nouveau_therm *therm, int mode); int nouveau_therm_attr_get(struct nouveau_therm *therm, enum nouveau_therm_attr_type type); int nouveau_therm_attr_set(struct nouveau_therm *therm, @@ -63,11 +114,35 @@ int nouveau_therm_sensor_ctor(struct nouveau_therm *therm); int nouveau_therm_fan_ctor(struct nouveau_therm *therm); int nouveau_therm_fan_get(struct nouveau_therm *therm); -int nouveau_therm_fan_set(struct nouveau_therm *therm, int percent); +int nouveau_therm_fan_set(struct nouveau_therm *therm, bool now, int percent); int nouveau_therm_fan_user_get(struct nouveau_therm *therm); int nouveau_therm_fan_user_set(struct nouveau_therm *therm, int percent); -int nouveau_therm_fan_set_mode(struct nouveau_therm *therm, - enum nouveau_therm_fan_mode mode); - int nouveau_therm_fan_sense(struct nouveau_therm *therm); + +int nouveau_therm_preinit(struct nouveau_therm *); + +void nouveau_therm_sensor_set_threshold_state(struct nouveau_therm *therm, + enum nouveau_therm_thrs thrs, + enum nouveau_therm_thrs_state st); +enum nouveau_therm_thrs_state +nouveau_therm_sensor_get_threshold_state(struct nouveau_therm *therm, + enum nouveau_therm_thrs thrs); +void nouveau_therm_sensor_event(struct nouveau_therm *therm, + enum nouveau_therm_thrs thrs, + enum nouveau_therm_thrs_direction dir); +void nouveau_therm_program_alarms_polling(struct nouveau_therm *therm); + +int nv50_fan_pwm_ctrl(struct nouveau_therm *, int, bool); +int nv50_fan_pwm_get(struct nouveau_therm *, int, u32 *, u32 *); +int nv50_fan_pwm_set(struct nouveau_therm *, int, u32, u32); +int nv50_fan_pwm_clock(struct nouveau_therm *); +int nv50_temp_get(struct nouveau_therm *therm); + +int nva3_therm_fan_sense(struct nouveau_therm *); + +int nouveau_fanpwm_create(struct nouveau_therm *, struct dcb_gpio_func *); +int nouveau_fantog_create(struct nouveau_therm *, struct dcb_gpio_func *); +int nouveau_fannil_create(struct nouveau_therm *); + +#endif diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c b/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c index 204282301fb..b37624af829 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c @@ -58,11 +58,171 @@ static void nouveau_therm_temp_safety_checks(struct nouveau_therm *therm) { struct nouveau_therm_priv *priv = (void *)therm; + struct nvbios_therm_sensor *s = &priv->bios_sensor; if (!priv->bios_sensor.slope_div) priv->bios_sensor.slope_div = 1; if (!priv->bios_sensor.offset_den) priv->bios_sensor.offset_den = 1; + + /* enforce a minimum hysteresis on thresholds */ + s->thrs_fan_boost.hysteresis = max_t(u8, s->thrs_fan_boost.hysteresis, 2); + s->thrs_down_clock.hysteresis = max_t(u8, s->thrs_down_clock.hysteresis, 2); + s->thrs_critical.hysteresis = max_t(u8, s->thrs_critical.hysteresis, 2); + s->thrs_shutdown.hysteresis = max_t(u8, s->thrs_shutdown.hysteresis, 2); +} + +/* must be called with alarm_program_lock taken ! */ +void nouveau_therm_sensor_set_threshold_state(struct nouveau_therm *therm, + enum nouveau_therm_thrs thrs, + enum nouveau_therm_thrs_state st) +{ + struct nouveau_therm_priv *priv = (void *)therm; + priv->sensor.alarm_state[thrs] = st; +} + +/* must be called with alarm_program_lock taken ! */ +enum nouveau_therm_thrs_state +nouveau_therm_sensor_get_threshold_state(struct nouveau_therm *therm, + enum nouveau_therm_thrs thrs) +{ + struct nouveau_therm_priv *priv = (void *)therm; + return priv->sensor.alarm_state[thrs]; +} + +static void +nv_poweroff_work(struct work_struct *work) +{ + orderly_poweroff(true); + kfree(work); +} + +void nouveau_therm_sensor_event(struct nouveau_therm *therm, + enum nouveau_therm_thrs thrs, + enum nouveau_therm_thrs_direction dir) +{ + struct nouveau_therm_priv *priv = (void *)therm; + bool active; + const char *thresolds[] = { + "fanboost", "downclock", "critical", "shutdown" + }; + uint8_t temperature = therm->temp_get(therm); + + if (thrs < 0 || thrs > 3) + return; + + if (dir == NOUVEAU_THERM_THRS_FALLING) + nv_info(therm, "temperature (%u C) went below the '%s' threshold\n", + temperature, thresolds[thrs]); + else + nv_info(therm, "temperature (%u C) hit the '%s' threshold\n", + temperature, thresolds[thrs]); + + active = (dir == NOUVEAU_THERM_THRS_RISING); + switch (thrs) { + case NOUVEAU_THERM_THRS_FANBOOST: + if (active) { + nouveau_therm_fan_set(therm, true, 100); + nouveau_therm_mode(therm, NOUVEAU_THERM_CTRL_AUTO); + } + break; + case NOUVEAU_THERM_THRS_DOWNCLOCK: + if (priv->emergency.downclock) + priv->emergency.downclock(therm, active); + break; + case NOUVEAU_THERM_THRS_CRITICAL: + if (priv->emergency.pause) + priv->emergency.pause(therm, active); + break; + case NOUVEAU_THERM_THRS_SHUTDOWN: + if (active) { + struct work_struct *work; + + work = kmalloc(sizeof(*work), GFP_ATOMIC); + if (work) { + INIT_WORK(work, nv_poweroff_work); + schedule_work(work); + } + } + break; + case NOUVEAU_THERM_THRS_NR: + break; + } + +} + +/* must be called with alarm_program_lock taken ! */ +static void +nouveau_therm_threshold_hyst_polling(struct nouveau_therm *therm, + const struct nvbios_therm_threshold *thrs, + enum nouveau_therm_thrs thrs_name) +{ + enum nouveau_therm_thrs_direction direction; + enum nouveau_therm_thrs_state prev_state, new_state; + int temp = therm->temp_get(therm); + + prev_state = nouveau_therm_sensor_get_threshold_state(therm, thrs_name); + + if (temp >= thrs->temp && prev_state == NOUVEAU_THERM_THRS_LOWER) { + direction = NOUVEAU_THERM_THRS_RISING; + new_state = NOUVEAU_THERM_THRS_HIGHER; + } else if (temp <= thrs->temp - thrs->hysteresis && + prev_state == NOUVEAU_THERM_THRS_HIGHER) { + direction = NOUVEAU_THERM_THRS_FALLING; + new_state = NOUVEAU_THERM_THRS_LOWER; + } else + return; /* nothing to do */ + + nouveau_therm_sensor_set_threshold_state(therm, thrs_name, new_state); + nouveau_therm_sensor_event(therm, thrs_name, direction); +} + +static void +alarm_timer_callback(struct nouveau_alarm *alarm) +{ + struct nouveau_therm_priv *priv = + container_of(alarm, struct nouveau_therm_priv, sensor.therm_poll_alarm); + struct nvbios_therm_sensor *sensor = &priv->bios_sensor; + struct nouveau_timer *ptimer = nouveau_timer(priv); + struct nouveau_therm *therm = &priv->base; + unsigned long flags; + + spin_lock_irqsave(&priv->sensor.alarm_program_lock, flags); + + nouveau_therm_threshold_hyst_polling(therm, &sensor->thrs_fan_boost, + NOUVEAU_THERM_THRS_FANBOOST); + + nouveau_therm_threshold_hyst_polling(therm, &sensor->thrs_down_clock, + NOUVEAU_THERM_THRS_DOWNCLOCK); + + nouveau_therm_threshold_hyst_polling(therm, &sensor->thrs_critical, + NOUVEAU_THERM_THRS_CRITICAL); + + nouveau_therm_threshold_hyst_polling(therm, &sensor->thrs_shutdown, + NOUVEAU_THERM_THRS_SHUTDOWN); + + /* schedule the next poll in one second */ + if (list_empty(&alarm->head)) + ptimer->alarm(ptimer, 1000 * 1000 * 1000, alarm); + + spin_unlock_irqrestore(&priv->sensor.alarm_program_lock, flags); +} + +void +nouveau_therm_program_alarms_polling(struct nouveau_therm *therm) +{ + struct nouveau_therm_priv *priv = (void *)therm; + struct nvbios_therm_sensor *sensor = &priv->bios_sensor; + + nv_info(therm, + "programmed thresholds [ %d(%d), %d(%d), %d(%d), %d(%d) ]\n", + sensor->thrs_fan_boost.temp, sensor->thrs_fan_boost.hysteresis, + sensor->thrs_down_clock.temp, + sensor->thrs_down_clock.hysteresis, + sensor->thrs_critical.temp, sensor->thrs_critical.hysteresis, + sensor->thrs_shutdown.temp, sensor->thrs_shutdown.hysteresis); + + alarm_timer_callback(&priv->sensor.therm_poll_alarm); } int @@ -71,6 +231,8 @@ nouveau_therm_sensor_ctor(struct nouveau_therm *therm) struct nouveau_therm_priv *priv = (void *)therm; struct nouveau_bios *bios = nouveau_bios(therm); + nouveau_alarm_init(&priv->sensor.therm_poll_alarm, alarm_timer_callback); + nouveau_therm_temp_set_defaults(therm); if (nvbios_therm_sensor_parse(bios, NVBIOS_THERM_DOMAIN_CORE, &priv->bios_sensor)) |