diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/therm')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/therm/nv50.c | 175 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/therm/nv84.c | 221 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/therm/nva3.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/therm/nvd0.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/therm/priv.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/therm/temp.c | 14 |
7 files changed, 264 insertions, 155 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c b/drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c index a70d1b7e397b..002e51b3af93 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c @@ -165,7 +165,7 @@ nv40_fan_pwm_set(struct nouveau_therm *therm, int line, u32 divs, u32 duty) return 0; } -static void +void nv40_therm_intr(struct nouveau_subdev *subdev) { struct nouveau_therm *therm = nouveau_therm(subdev); diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/therm/nv50.c index 86632cbd65ce..8cf7597a2182 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/therm/nv50.c +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/nv50.c @@ -118,145 +118,36 @@ nv50_fan_pwm_clock(struct nouveau_therm *therm) return pwm_clock; } -int -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) +nv50_sensor_setup(struct nouveau_therm *therm) { - 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); + nv_mask(therm, 0x20010, 0x40000000, 0x0); + mdelay(20); /* wait for the temperature to stabilize */ } -static void -nv50_therm_intr(struct nouveau_subdev *subdev) +static int +nv50_temp_get(struct nouveau_therm *therm) { - 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; - } + int core_temp; - /* 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; - } + core_temp = nv_rd32(therm, 0x20014) & 0x3fff; - /* THRS_2 : critical */ - if (intr & 0x010) { - nv50_therm_threshold_hyst_emulation(therm, 0x204c0, 22, - &sensor->thrs_critical, - NOUVEAU_THERM_THRS_CRITICAL); - intr &= ~0x010; - } + /* if the slope or the offset is unset, do no use the sensor */ + if (!sensor->slope_div || !sensor->slope_mult || + !sensor->offset_num || !sensor->offset_den) + return -ENODEV; - if (intr) - nv_error(therm, "unhandled intr 0x%08x\n", intr); + core_temp = core_temp * sensor->slope_mult / sensor->slope_div; + core_temp = core_temp + sensor->offset_num / sensor->offset_den; + core_temp = core_temp + sensor->offset_constant - 8; - /* ACK everything */ - nv_wr32(therm, 0x20100, 0xffffffff); - nv_wr32(therm, 0x1100, 0x10000); /* PBUS */ + /* reserve negative temperatures for errors */ + if (core_temp < 0) + core_temp = 0; - spin_unlock_irqrestore(&priv->sensor.alarm_program_lock, flags); + return core_temp; } static int @@ -278,33 +169,29 @@ nv50_therm_ctor(struct nouveau_object *parent, 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; - - /* 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); + priv->base.sensor.program_alarms = nouveau_therm_program_alarms_polling; + nv_subdev(priv)->intr = nv40_therm_intr; return nouveau_therm_preinit(&priv->base.base); } +static int +nv50_therm_init(struct nouveau_object *object) +{ + struct nouveau_therm *therm = (void *)object; + + nv50_sensor_setup(therm); + + return _nouveau_therm_init(object); +} + struct nouveau_oclass nv50_therm_oclass = { .handle = NV_SUBDEV(THERM, 0x50), .ofuncs = &(struct nouveau_ofuncs) { .ctor = nv50_therm_ctor, .dtor = _nouveau_therm_dtor, - .init = _nouveau_therm_init, + .init = nv50_therm_init, .fini = _nouveau_therm_fini, }, }; diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/nv84.c b/drivers/gpu/drm/nouveau/core/subdev/therm/nv84.c new file mode 100644 index 000000000000..42ba633ccff7 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/nv84.c @@ -0,0 +1,221 @@ +/* + * 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 "priv.h" + +struct nv84_therm_priv { + struct nouveau_therm_priv base; +}; + +int +nv84_temp_get(struct nouveau_therm *therm) +{ + return nv_rd32(therm, 0x20400); +} + +static void +nv84_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_debug(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 +nv84_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 +nv84_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) { + nv84_therm_threshold_hyst_emulation(therm, 0x20414, 24, + &sensor->thrs_down_clock, + NOUVEAU_THERM_THRS_DOWNCLOCK); + intr &= ~0x002; + } + + /* shutdown */ + if (intr & 0x004) { + nv84_therm_threshold_hyst_emulation(therm, 0x20480, 20, + &sensor->thrs_shutdown, + NOUVEAU_THERM_THRS_SHUTDOWN); + intr &= ~0x004; + } + + /* THRS_1 : fan boost */ + if (intr & 0x008) { + nv84_therm_threshold_hyst_emulation(therm, 0x204c4, 21, + &sensor->thrs_fan_boost, + NOUVEAU_THERM_THRS_FANBOOST); + intr &= ~0x008; + } + + /* THRS_2 : critical */ + if (intr & 0x010) { + nv84_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 +nv84_therm_ctor(struct nouveau_object *parent, + struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nv84_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 = nv84_temp_get; + priv->base.sensor.program_alarms = nv84_therm_program_alarms; + nv_subdev(priv)->intr = nv84_therm_intr; + + /* 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); + + return nouveau_therm_preinit(&priv->base.base); +} + +struct nouveau_oclass +nv84_therm_oclass = { + .handle = NV_SUBDEV(THERM, 0x84), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nv84_therm_ctor, + .dtor = _nouveau_therm_dtor, + .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 index 2dcc5437116a..d11a7c400813 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/therm/nva3.c +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/nva3.c @@ -81,7 +81,7 @@ nva3_therm_ctor(struct nouveau_object *parent, 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.temp_get = nv84_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); diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/nvd0.c b/drivers/gpu/drm/nouveau/core/subdev/therm/nvd0.c index d7d30ee8332e..54c28bdc4204 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/therm/nvd0.c +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/nvd0.c @@ -135,7 +135,7 @@ nvd0_therm_ctor(struct nouveau_object *parent, 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.temp_get = nv84_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); diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/priv.h b/drivers/gpu/drm/nouveau/core/subdev/therm/priv.h index 438d9824b774..15ca64e481f1 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/therm/priv.h +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/priv.h @@ -134,11 +134,12 @@ void nouveau_therm_sensor_event(struct nouveau_therm *therm, enum nouveau_therm_thrs_direction dir); void nouveau_therm_program_alarms_polling(struct nouveau_therm *therm); +void nv40_therm_intr(struct nouveau_subdev *); 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 nv84_temp_get(struct nouveau_therm *therm); int nva3_therm_fan_sense(struct nouveau_therm *); diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c b/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c index 470f6a47b656..dde746c78c8a 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c @@ -205,13 +205,13 @@ 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); + nv_debug(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); } |