diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/therm')
21 files changed, 2848 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/Kbuild new file mode 100644 index 000000000..9aa76a2be --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/Kbuild @@ -0,0 +1,18 @@ +# SPDX-License-Identifier: MIT +nvkm-y += nvkm/subdev/therm/base.o +nvkm-y += nvkm/subdev/therm/fan.o +nvkm-y += nvkm/subdev/therm/fannil.o +nvkm-y += nvkm/subdev/therm/fanpwm.o +nvkm-y += nvkm/subdev/therm/fantog.o +nvkm-y += nvkm/subdev/therm/ic.o +nvkm-y += nvkm/subdev/therm/temp.o +nvkm-y += nvkm/subdev/therm/nv40.o +nvkm-y += nvkm/subdev/therm/nv50.o +nvkm-y += nvkm/subdev/therm/g84.o +nvkm-y += nvkm/subdev/therm/gt215.o +nvkm-y += nvkm/subdev/therm/gf100.o +nvkm-y += nvkm/subdev/therm/gf119.o +nvkm-y += nvkm/subdev/therm/gk104.o +nvkm-y += nvkm/subdev/therm/gm107.o +nvkm-y += nvkm/subdev/therm/gm200.o +nvkm-y += nvkm/subdev/therm/gp100.o diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c new file mode 100644 index 000000000..fc5ee118e --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c @@ -0,0 +1,455 @@ +/* + * 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/option.h> +#include <subdev/pmu.h> + +int +nvkm_therm_temp_get(struct nvkm_therm *therm) +{ + if (therm->func->temp_get) + return therm->func->temp_get(therm); + return -ENODEV; +} + +static int +nvkm_therm_update_trip(struct nvkm_therm *therm) +{ + struct nvbios_therm_trip_point *trip = therm->fan->bios.trip, + *cur_trip = NULL, + *last_trip = therm->last_trip; + u8 temp = therm->func->temp_get(therm); + u16 duty, i; + + /* look for the trip point corresponding to the current temperature */ + cur_trip = NULL; + for (i = 0; i < therm->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; + therm->last_trip = cur_trip; + } else { + duty = 0; + therm->last_trip = NULL; + } + + return duty; +} + +static int +nvkm_therm_compute_linear_duty(struct nvkm_therm *therm, u8 linear_min_temp, + u8 linear_max_temp) +{ + u8 temp = therm->func->temp_get(therm); + u16 duty; + + /* handle the non-linear part first */ + if (temp < linear_min_temp) + return therm->fan->bios.min_duty; + else if (temp > linear_max_temp) + return therm->fan->bios.max_duty; + + /* we are in the linear zone */ + duty = (temp - linear_min_temp); + duty *= (therm->fan->bios.max_duty - therm->fan->bios.min_duty); + duty /= (linear_max_temp - linear_min_temp); + duty += therm->fan->bios.min_duty; + return duty; +} + +static int +nvkm_therm_update_linear(struct nvkm_therm *therm) +{ + u8 min = therm->fan->bios.linear_min_temp; + u8 max = therm->fan->bios.linear_max_temp; + return nvkm_therm_compute_linear_duty(therm, min, max); +} + +static int +nvkm_therm_update_linear_fallback(struct nvkm_therm *therm) +{ + u8 max = therm->bios_sensor.thrs_fan_boost.temp; + return nvkm_therm_compute_linear_duty(therm, 30, max); +} + +static void +nvkm_therm_update(struct nvkm_therm *therm, int mode) +{ + struct nvkm_subdev *subdev = &therm->subdev; + struct nvkm_timer *tmr = subdev->device->timer; + unsigned long flags; + bool immd = true; + bool poll = true; + int duty = -1; + + spin_lock_irqsave(&therm->lock, flags); + if (mode < 0) + mode = therm->mode; + therm->mode = mode; + + switch (mode) { + case NVKM_THERM_CTRL_MANUAL: + nvkm_timer_alarm(tmr, 0, &therm->alarm); + duty = nvkm_therm_fan_get(therm); + if (duty < 0) + duty = 100; + poll = false; + break; + case NVKM_THERM_CTRL_AUTO: + switch(therm->fan->bios.fan_mode) { + case NVBIOS_THERM_FAN_TRIP: + duty = nvkm_therm_update_trip(therm); + break; + case NVBIOS_THERM_FAN_LINEAR: + duty = nvkm_therm_update_linear(therm); + break; + case NVBIOS_THERM_FAN_OTHER: + if (therm->cstate) { + duty = therm->cstate; + poll = false; + } else { + duty = nvkm_therm_update_linear_fallback(therm); + } + break; + } + immd = false; + break; + case NVKM_THERM_CTRL_NONE: + default: + nvkm_timer_alarm(tmr, 0, &therm->alarm); + poll = false; + } + + if (poll) + nvkm_timer_alarm(tmr, 1000000000ULL, &therm->alarm); + spin_unlock_irqrestore(&therm->lock, flags); + + if (duty >= 0) { + nvkm_debug(subdev, "FAN target request: %d%%\n", duty); + nvkm_therm_fan_set(therm, immd, duty); + } +} + +int +nvkm_therm_cstate(struct nvkm_therm *therm, int fan, int dir) +{ + struct nvkm_subdev *subdev = &therm->subdev; + if (!dir || (dir < 0 && fan < therm->cstate) || + (dir > 0 && fan > therm->cstate)) { + nvkm_debug(subdev, "default fan speed -> %d%%\n", fan); + therm->cstate = fan; + nvkm_therm_update(therm, -1); + } + return 0; +} + +static void +nvkm_therm_alarm(struct nvkm_alarm *alarm) +{ + struct nvkm_therm *therm = + container_of(alarm, struct nvkm_therm, alarm); + nvkm_therm_update(therm, -1); +} + +int +nvkm_therm_fan_mode(struct nvkm_therm *therm, int mode) +{ + struct nvkm_subdev *subdev = &therm->subdev; + struct nvkm_device *device = subdev->device; + static const char *name[] = { + "disabled", + "manual", + "automatic" + }; + + /* The default PPWR ucode on fermi interferes with fan management */ + if ((mode >= ARRAY_SIZE(name)) || + (mode != NVKM_THERM_CTRL_NONE && nvkm_pmu_fan_controlled(device))) + return -EINVAL; + + /* do not allow automatic fan management if the thermal sensor is + * not available */ + if (mode == NVKM_THERM_CTRL_AUTO && + therm->func->temp_get(therm) < 0) + return -EINVAL; + + if (therm->mode == mode) + return 0; + + nvkm_debug(subdev, "fan management: %s\n", name[mode]); + nvkm_therm_update(therm, mode); + return 0; +} + +int +nvkm_therm_attr_get(struct nvkm_therm *therm, enum nvkm_therm_attr_type type) +{ + switch (type) { + case NVKM_THERM_ATTR_FAN_MIN_DUTY: + return therm->fan->bios.min_duty; + case NVKM_THERM_ATTR_FAN_MAX_DUTY: + return therm->fan->bios.max_duty; + case NVKM_THERM_ATTR_FAN_MODE: + return therm->mode; + case NVKM_THERM_ATTR_THRS_FAN_BOOST: + return therm->bios_sensor.thrs_fan_boost.temp; + case NVKM_THERM_ATTR_THRS_FAN_BOOST_HYST: + return therm->bios_sensor.thrs_fan_boost.hysteresis; + case NVKM_THERM_ATTR_THRS_DOWN_CLK: + return therm->bios_sensor.thrs_down_clock.temp; + case NVKM_THERM_ATTR_THRS_DOWN_CLK_HYST: + return therm->bios_sensor.thrs_down_clock.hysteresis; + case NVKM_THERM_ATTR_THRS_CRITICAL: + return therm->bios_sensor.thrs_critical.temp; + case NVKM_THERM_ATTR_THRS_CRITICAL_HYST: + return therm->bios_sensor.thrs_critical.hysteresis; + case NVKM_THERM_ATTR_THRS_SHUTDOWN: + return therm->bios_sensor.thrs_shutdown.temp; + case NVKM_THERM_ATTR_THRS_SHUTDOWN_HYST: + return therm->bios_sensor.thrs_shutdown.hysteresis; + } + + return -EINVAL; +} + +int +nvkm_therm_attr_set(struct nvkm_therm *therm, + enum nvkm_therm_attr_type type, int value) +{ + switch (type) { + case NVKM_THERM_ATTR_FAN_MIN_DUTY: + if (value < 0) + value = 0; + if (value > therm->fan->bios.max_duty) + value = therm->fan->bios.max_duty; + therm->fan->bios.min_duty = value; + return 0; + case NVKM_THERM_ATTR_FAN_MAX_DUTY: + if (value < 0) + value = 0; + if (value < therm->fan->bios.min_duty) + value = therm->fan->bios.min_duty; + therm->fan->bios.max_duty = value; + return 0; + case NVKM_THERM_ATTR_FAN_MODE: + return nvkm_therm_fan_mode(therm, value); + case NVKM_THERM_ATTR_THRS_FAN_BOOST: + therm->bios_sensor.thrs_fan_boost.temp = value; + therm->func->program_alarms(therm); + return 0; + case NVKM_THERM_ATTR_THRS_FAN_BOOST_HYST: + therm->bios_sensor.thrs_fan_boost.hysteresis = value; + therm->func->program_alarms(therm); + return 0; + case NVKM_THERM_ATTR_THRS_DOWN_CLK: + therm->bios_sensor.thrs_down_clock.temp = value; + therm->func->program_alarms(therm); + return 0; + case NVKM_THERM_ATTR_THRS_DOWN_CLK_HYST: + therm->bios_sensor.thrs_down_clock.hysteresis = value; + therm->func->program_alarms(therm); + return 0; + case NVKM_THERM_ATTR_THRS_CRITICAL: + therm->bios_sensor.thrs_critical.temp = value; + therm->func->program_alarms(therm); + return 0; + case NVKM_THERM_ATTR_THRS_CRITICAL_HYST: + therm->bios_sensor.thrs_critical.hysteresis = value; + therm->func->program_alarms(therm); + return 0; + case NVKM_THERM_ATTR_THRS_SHUTDOWN: + therm->bios_sensor.thrs_shutdown.temp = value; + therm->func->program_alarms(therm); + return 0; + case NVKM_THERM_ATTR_THRS_SHUTDOWN_HYST: + therm->bios_sensor.thrs_shutdown.hysteresis = value; + therm->func->program_alarms(therm); + return 0; + } + + return -EINVAL; +} + +void +nvkm_therm_clkgate_enable(struct nvkm_therm *therm) +{ + if (!therm || !therm->func->clkgate_enable || !therm->clkgating_enabled) + return; + + nvkm_debug(&therm->subdev, + "Enabling clockgating\n"); + therm->func->clkgate_enable(therm); +} + +void +nvkm_therm_clkgate_fini(struct nvkm_therm *therm, bool suspend) +{ + if (!therm || !therm->func->clkgate_fini || !therm->clkgating_enabled) + return; + + nvkm_debug(&therm->subdev, + "Preparing clockgating for %s\n", + suspend ? "suspend" : "fini"); + therm->func->clkgate_fini(therm, suspend); +} + +static void +nvkm_therm_clkgate_oneinit(struct nvkm_therm *therm) +{ + if (!therm->func->clkgate_enable || !therm->clkgating_enabled) + return; + + nvkm_info(&therm->subdev, "Clockgating enabled\n"); +} + +static void +nvkm_therm_intr(struct nvkm_subdev *subdev) +{ + struct nvkm_therm *therm = nvkm_therm(subdev); + if (therm->func->intr) + therm->func->intr(therm); +} + +static int +nvkm_therm_fini(struct nvkm_subdev *subdev, bool suspend) +{ + struct nvkm_therm *therm = nvkm_therm(subdev); + + if (therm->func->fini) + therm->func->fini(therm); + + nvkm_therm_fan_fini(therm, suspend); + nvkm_therm_sensor_fini(therm, suspend); + + if (suspend) { + therm->suspend = therm->mode; + therm->mode = NVKM_THERM_CTRL_NONE; + } + + return 0; +} + +static int +nvkm_therm_oneinit(struct nvkm_subdev *subdev) +{ + struct nvkm_therm *therm = nvkm_therm(subdev); + nvkm_therm_sensor_ctor(therm); + nvkm_therm_ic_ctor(therm); + nvkm_therm_fan_ctor(therm); + nvkm_therm_fan_mode(therm, NVKM_THERM_CTRL_AUTO); + nvkm_therm_sensor_preinit(therm); + nvkm_therm_clkgate_oneinit(therm); + return 0; +} + +static int +nvkm_therm_init(struct nvkm_subdev *subdev) +{ + struct nvkm_therm *therm = nvkm_therm(subdev); + + if (therm->func->init) + therm->func->init(therm); + + if (therm->suspend >= 0) { + /* restore the pwm value only when on manual or auto mode */ + if (therm->suspend > 0) + nvkm_therm_fan_set(therm, true, therm->fan->percent); + + nvkm_therm_fan_mode(therm, therm->suspend); + } + + nvkm_therm_sensor_init(therm); + nvkm_therm_fan_init(therm); + return 0; +} + +void +nvkm_therm_clkgate_init(struct nvkm_therm *therm, + const struct nvkm_therm_clkgate_pack *p) +{ + if (!therm || !therm->func->clkgate_init || !therm->clkgating_enabled) + return; + + therm->func->clkgate_init(therm, p); +} + +static void * +nvkm_therm_dtor(struct nvkm_subdev *subdev) +{ + struct nvkm_therm *therm = nvkm_therm(subdev); + kfree(therm->fan); + return therm; +} + +static const struct nvkm_subdev_func +nvkm_therm = { + .dtor = nvkm_therm_dtor, + .oneinit = nvkm_therm_oneinit, + .init = nvkm_therm_init, + .fini = nvkm_therm_fini, + .intr = nvkm_therm_intr, +}; + +void +nvkm_therm_ctor(struct nvkm_therm *therm, struct nvkm_device *device, enum nvkm_subdev_type type, + int inst, const struct nvkm_therm_func *func) +{ + nvkm_subdev_ctor(&nvkm_therm, device, type, inst, &therm->subdev); + therm->func = func; + + nvkm_alarm_init(&therm->alarm, nvkm_therm_alarm); + spin_lock_init(&therm->lock); + spin_lock_init(&therm->sensor.alarm_program_lock); + + therm->fan_get = nvkm_therm_fan_user_get; + therm->fan_set = nvkm_therm_fan_user_set; + therm->attr_get = nvkm_therm_attr_get; + therm->attr_set = nvkm_therm_attr_set; + therm->mode = therm->suspend = -1; /* undefined */ + + therm->clkgating_enabled = nvkm_boolopt(device->cfgopt, + "NvPmEnableGating", false); +} + +int +nvkm_therm_new_(const struct nvkm_therm_func *func, struct nvkm_device *device, + enum nvkm_subdev_type type, int inst, struct nvkm_therm **ptherm) +{ + struct nvkm_therm *therm; + + if (!(therm = *ptherm = kzalloc(sizeof(*therm), GFP_KERNEL))) + return -ENOMEM; + + nvkm_therm_ctor(therm, device, type, inst, func); + return 0; +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fan.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fan.c new file mode 100644 index 000000000..f8fa43c8a --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fan.c @@ -0,0 +1,279 @@ +/* + * 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" + +#include <subdev/bios/fan.h> +#include <subdev/gpio.h> +#include <subdev/timer.h> + +static int +nvkm_fan_update(struct nvkm_fan *fan, bool immediate, int target) +{ + struct nvkm_therm *therm = fan->parent; + struct nvkm_subdev *subdev = &therm->subdev; + struct nvkm_timer *tmr = subdev->device->timer; + 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) { + nvkm_debug(subdev, "FAN target: %d\n", target); + fan->percent = target; + } + + /* check that we're not already at the target duty cycle */ + duty = fan->get(therm); + if (duty == target) { + spin_unlock_irqrestore(&fan->lock, flags); + return 0; + } + + /* 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; + } + + nvkm_debug(subdev, "FAN update: %d\n", duty); + ret = fan->set(therm, duty); + if (ret) { + spin_unlock_irqrestore(&fan->lock, flags); + return ret; + } + + /* fan speed updated, drop the fan lock before grabbing the + * alarm-scheduling lock and risking a deadlock + */ + spin_unlock_irqrestore(&fan->lock, flags); + + /* schedule next fan update, if not at target speed already */ + if (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; + + nvkm_timer_alarm(tmr, delay * 1000 * 1000, &fan->alarm); + } + + return ret; +} + +static void +nvkm_fan_alarm(struct nvkm_alarm *alarm) +{ + struct nvkm_fan *fan = container_of(alarm, struct nvkm_fan, alarm); + nvkm_fan_update(fan, false, -1); +} + +int +nvkm_therm_fan_get(struct nvkm_therm *therm) +{ + return therm->fan->get(therm); +} + +int +nvkm_therm_fan_set(struct nvkm_therm *therm, bool immediate, int percent) +{ + return nvkm_fan_update(therm->fan, immediate, percent); +} + +int +nvkm_therm_fan_sense(struct nvkm_therm *therm) +{ + struct nvkm_device *device = therm->subdev.device; + struct nvkm_timer *tmr = device->timer; + struct nvkm_gpio *gpio = device->gpio; + u32 cycles, cur, prev; + u64 start, end, tach; + + if (therm->func->fan_sense) + return therm->func->fan_sense(therm); + + if (therm->fan->tach.func == DCB_GPIO_UNUSED) + return -ENODEV; + + /* Time a complete rotation and extrapolate to RPM: + * When the fan spins, it changes the value of GPIO FAN_SENSE. + * We get 4 changes (0 -> 1 -> 0 -> 1) per complete rotation. + */ + start = nvkm_timer_read(tmr); + prev = nvkm_gpio_get(gpio, 0, therm->fan->tach.func, + therm->fan->tach.line); + cycles = 0; + do { + usleep_range(500, 1000); /* supports 0 < rpm < 7500 */ + + cur = nvkm_gpio_get(gpio, 0, therm->fan->tach.func, + therm->fan->tach.line); + if (prev != cur) { + if (!start) + start = nvkm_timer_read(tmr); + cycles++; + prev = cur; + } + } while (cycles < 5 && nvkm_timer_read(tmr) - start < 250000000); + end = nvkm_timer_read(tmr); + + if (cycles == 5) { + tach = (u64)60000000000ULL; + do_div(tach, (end - start)); + return tach; + } else + return 0; +} + +int +nvkm_therm_fan_user_get(struct nvkm_therm *therm) +{ + return nvkm_therm_fan_get(therm); +} + +int +nvkm_therm_fan_user_set(struct nvkm_therm *therm, int percent) +{ + if (therm->mode != NVKM_THERM_CTRL_MANUAL) + return -EINVAL; + + return nvkm_therm_fan_set(therm, true, percent); +} + +static void +nvkm_therm_fan_set_defaults(struct nvkm_therm *therm) +{ + therm->fan->bios.pwm_freq = 0; + therm->fan->bios.min_duty = 0; + therm->fan->bios.max_duty = 100; + therm->fan->bios.bump_period = 500; + therm->fan->bios.slow_down_period = 2000; + therm->fan->bios.linear_min_temp = 40; + therm->fan->bios.linear_max_temp = 85; +} + +static void +nvkm_therm_fan_safety_checks(struct nvkm_therm *therm) +{ + if (therm->fan->bios.min_duty > 100) + therm->fan->bios.min_duty = 100; + if (therm->fan->bios.max_duty > 100) + therm->fan->bios.max_duty = 100; + + if (therm->fan->bios.min_duty > therm->fan->bios.max_duty) + therm->fan->bios.min_duty = therm->fan->bios.max_duty; +} + +int +nvkm_therm_fan_init(struct nvkm_therm *therm) +{ + return 0; +} + +int +nvkm_therm_fan_fini(struct nvkm_therm *therm, bool suspend) +{ + struct nvkm_timer *tmr = therm->subdev.device->timer; + if (suspend) + nvkm_timer_alarm(tmr, 0, &therm->fan->alarm); + return 0; +} + +int +nvkm_therm_fan_ctor(struct nvkm_therm *therm) +{ + struct nvkm_subdev *subdev = &therm->subdev; + struct nvkm_device *device = subdev->device; + struct nvkm_gpio *gpio = device->gpio; + struct nvkm_bios *bios = device->bios; + struct dcb_gpio_func func; + int ret; + + /* attempt to locate a drivable fan, and determine control method */ + ret = nvkm_gpio_find(gpio, 0, DCB_GPIO_FAN, 0xff, &func); + if (ret == 0) { + /* FIXME: is this really the place to perform such checks ? */ + if (func.line != 16 && func.log[0] & DCB_GPIO_LOG_DIR_IN) { + nvkm_debug(subdev, "GPIO_FAN is in input mode\n"); + ret = -EINVAL; + } else { + ret = nvkm_fanpwm_create(therm, &func); + if (ret != 0) + ret = nvkm_fantog_create(therm, &func); + } + } + + /* no controllable fan found, create a dummy fan module */ + if (ret != 0) { + ret = nvkm_fannil_create(therm); + if (ret) + return ret; + } + + nvkm_debug(subdev, "FAN control: %s\n", therm->fan->type); + + /* read the current speed, it is useful when resuming */ + therm->fan->percent = nvkm_therm_fan_get(therm); + + /* attempt to detect a tachometer connection */ + ret = nvkm_gpio_find(gpio, 0, DCB_GPIO_FAN_SENSE, 0xff, + &therm->fan->tach); + if (ret) + therm->fan->tach.func = DCB_GPIO_UNUSED; + + /* initialise fan bump/slow update handling */ + therm->fan->parent = therm; + nvkm_alarm_init(&therm->fan->alarm, nvkm_fan_alarm); + spin_lock_init(&therm->fan->lock); + + /* other random init... */ + nvkm_therm_fan_set_defaults(therm); + nvbios_perf_fan_parse(bios, &therm->fan->perf); + if (!nvbios_fan_parse(bios, &therm->fan->bios)) { + nvkm_debug(subdev, "parsing the fan table failed\n"); + if (nvbios_therm_fan_parse(bios, &therm->fan->bios)) + nvkm_error(subdev, "parsing both fan tables failed\n"); + } + nvkm_therm_fan_safety_checks(therm); + return 0; +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fannil.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fannil.c new file mode 100644 index 000000000..8ae300f91 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fannil.c @@ -0,0 +1,52 @@ +/* + * 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 +nvkm_fannil_get(struct nvkm_therm *therm) +{ + return -ENODEV; +} + +static int +nvkm_fannil_set(struct nvkm_therm *therm, int percent) +{ + return -ENODEV; +} + +int +nvkm_fannil_create(struct nvkm_therm *therm) +{ + struct nvkm_fan *priv; + + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + therm->fan = priv; + if (!priv) + return -ENOMEM; + + priv->type = "none / external"; + priv->get = nvkm_fannil_get; + priv->set = nvkm_fannil_set; + return 0; +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fanpwm.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fanpwm.c new file mode 100644 index 000000000..340f37a29 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fanpwm.c @@ -0,0 +1,110 @@ +/* + * 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" + +#include <core/option.h> +#include <subdev/bios.h> +#include <subdev/bios/fan.h> +#include <subdev/gpio.h> + +struct nvkm_fanpwm { + struct nvkm_fan base; + struct dcb_gpio_func func; +}; + +static int +nvkm_fanpwm_get(struct nvkm_therm *therm) +{ + struct nvkm_fanpwm *fan = (void *)therm->fan; + struct nvkm_device *device = therm->subdev.device; + struct nvkm_gpio *gpio = device->gpio; + int card_type = device->card_type; + u32 divs, duty; + int ret; + + ret = therm->func->pwm_get(therm, fan->func.line, &divs, &duty); + if (ret == 0 && divs) { + divs = max(divs, duty); + if (card_type <= NV_40 || (fan->func.log[0] & 1)) + duty = divs - duty; + return (duty * 100) / divs; + } + + return nvkm_gpio_get(gpio, 0, fan->func.func, fan->func.line) * 100; +} + +static int +nvkm_fanpwm_set(struct nvkm_therm *therm, int percent) +{ + struct nvkm_fanpwm *fan = (void *)therm->fan; + int card_type = therm->subdev.device->card_type; + u32 divs, duty; + int ret; + + divs = fan->base.perf.pwm_divisor; + if (fan->base.bios.pwm_freq) { + divs = 1; + if (therm->func->pwm_clock) + divs = therm->func->pwm_clock(therm, fan->func.line); + divs /= fan->base.bios.pwm_freq; + } + + duty = ((divs * percent) + 99) / 100; + if (card_type <= NV_40 || (fan->func.log[0] & 1)) + duty = divs - duty; + + ret = therm->func->pwm_set(therm, fan->func.line, divs, duty); + if (ret == 0) + ret = therm->func->pwm_ctrl(therm, fan->func.line, true); + return ret; +} + +int +nvkm_fanpwm_create(struct nvkm_therm *therm, struct dcb_gpio_func *func) +{ + struct nvkm_device *device = therm->subdev.device; + struct nvkm_bios *bios = device->bios; + struct nvkm_fanpwm *fan; + struct nvbios_therm_fan info = {}; + u32 divs, duty; + + nvbios_fan_parse(bios, &info); + + if (!nvkm_boolopt(device->cfgopt, "NvFanPWM", func->param) || + !therm->func->pwm_ctrl || info.type == NVBIOS_THERM_FAN_TOGGLE || + therm->func->pwm_get(therm, func->line, &divs, &duty) == -ENODEV) + return -ENODEV; + + fan = kzalloc(sizeof(*fan), GFP_KERNEL); + therm->fan = &fan->base; + if (!fan) + return -ENOMEM; + + fan->base.type = "PWM"; + fan->base.get = nvkm_fanpwm_get; + fan->base.set = nvkm_fanpwm_set; + fan->func = *func; + return 0; +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fantog.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fantog.c new file mode 100644 index 000000000..ff9fbe795 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fantog.c @@ -0,0 +1,116 @@ +/* + * 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 <subdev/gpio.h> +#include <subdev/timer.h> + +struct nvkm_fantog { + struct nvkm_fan base; + struct nvkm_alarm alarm; + spinlock_t lock; + u32 period_us; + u32 percent; + struct dcb_gpio_func func; +}; + +static void +nvkm_fantog_update(struct nvkm_fantog *fan, int percent) +{ + struct nvkm_therm *therm = fan->base.parent; + struct nvkm_device *device = therm->subdev.device; + struct nvkm_timer *tmr = device->timer; + struct nvkm_gpio *gpio = device->gpio; + unsigned long flags; + int duty; + + spin_lock_irqsave(&fan->lock, flags); + if (percent < 0) + percent = fan->percent; + fan->percent = percent; + + duty = !nvkm_gpio_get(gpio, 0, DCB_GPIO_FAN, 0xff); + nvkm_gpio_set(gpio, 0, DCB_GPIO_FAN, 0xff, duty); + + if (percent != (duty * 100)) { + u64 next_change = (percent * fan->period_us) / 100; + if (!duty) + next_change = fan->period_us - next_change; + nvkm_timer_alarm(tmr, next_change * 1000, &fan->alarm); + } + spin_unlock_irqrestore(&fan->lock, flags); +} + +static void +nvkm_fantog_alarm(struct nvkm_alarm *alarm) +{ + struct nvkm_fantog *fan = + container_of(alarm, struct nvkm_fantog, alarm); + nvkm_fantog_update(fan, -1); +} + +static int +nvkm_fantog_get(struct nvkm_therm *therm) +{ + struct nvkm_fantog *fan = (void *)therm->fan; + return fan->percent; +} + +static int +nvkm_fantog_set(struct nvkm_therm *therm, int percent) +{ + struct nvkm_fantog *fan = (void *)therm->fan; + if (therm->func->pwm_ctrl) + therm->func->pwm_ctrl(therm, fan->func.line, false); + nvkm_fantog_update(fan, percent); + return 0; +} + +int +nvkm_fantog_create(struct nvkm_therm *therm, struct dcb_gpio_func *func) +{ + struct nvkm_fantog *fan; + int ret; + + if (therm->func->pwm_ctrl) { + ret = therm->func->pwm_ctrl(therm, func->line, false); + if (ret) + return ret; + } + + fan = kzalloc(sizeof(*fan), GFP_KERNEL); + therm->fan = &fan->base; + if (!fan) + return -ENOMEM; + + fan->base.type = "toggle"; + fan->base.get = nvkm_fantog_get; + fan->base.set = nvkm_fantog_set; + nvkm_alarm_init(&fan->alarm, nvkm_fantog_alarm); + fan->period_us = 100000; /* 10Hz */ + fan->percent = 100; + fan->func = *func; + spin_lock_init(&fan->lock); + return 0; +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/g84.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/g84.c new file mode 100644 index 000000000..4af86f2d3 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/g84.c @@ -0,0 +1,247 @@ +/* + * 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" + +#include <subdev/fuse.h> + +int +g84_temp_get(struct nvkm_therm *therm) +{ + struct nvkm_device *device = therm->subdev.device; + + if (nvkm_fuse_read(device->fuse, 0x1a8) == 1) + return nvkm_rd32(device, 0x20400); + else + return -ENODEV; +} + +void +g84_sensor_setup(struct nvkm_therm *therm) +{ + struct nvkm_device *device = therm->subdev.device; + + /* enable temperature reading for cards with insane defaults */ + if (nvkm_fuse_read(device->fuse, 0x1a8) == 1) { + nvkm_mask(device, 0x20008, 0x80008000, 0x80000000); + nvkm_mask(device, 0x2000c, 0x80000003, 0x00000000); + mdelay(20); /* wait for the temperature to stabilize */ + } +} + +static void +g84_therm_program_alarms(struct nvkm_therm *therm) +{ + struct nvbios_therm_sensor *sensor = &therm->bios_sensor; + struct nvkm_subdev *subdev = &therm->subdev; + struct nvkm_device *device = subdev->device; + unsigned long flags; + + spin_lock_irqsave(&therm->sensor.alarm_program_lock, flags); + + /* enable RISING and FALLING IRQs for shutdown, THRS 0, 1, 2 and 4 */ + nvkm_wr32(device, 0x20000, 0x000003ff); + + /* shutdown: The computer should be shutdown when reached */ + nvkm_wr32(device, 0x20484, sensor->thrs_shutdown.hysteresis); + nvkm_wr32(device, 0x20480, sensor->thrs_shutdown.temp); + + /* THRS_1 : fan boost*/ + nvkm_wr32(device, 0x204c4, sensor->thrs_fan_boost.temp); + + /* THRS_2 : critical */ + nvkm_wr32(device, 0x204c0, sensor->thrs_critical.temp); + + /* THRS_4 : down clock */ + nvkm_wr32(device, 0x20414, sensor->thrs_down_clock.temp); + spin_unlock_irqrestore(&therm->sensor.alarm_program_lock, flags); + + nvkm_debug(subdev, + "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 +g84_therm_threshold_hyst_emulation(struct nvkm_therm *therm, + uint32_t thrs_reg, u8 status_bit, + const struct nvbios_therm_threshold *thrs, + enum nvkm_therm_thrs thrs_name) +{ + struct nvkm_device *device = therm->subdev.device; + enum nvkm_therm_thrs_direction direction; + enum nvkm_therm_thrs_state prev_state, new_state; + int temp, cur; + + prev_state = nvkm_therm_sensor_get_threshold_state(therm, thrs_name); + temp = nvkm_rd32(device, thrs_reg); + + /* program the next threshold */ + if (temp == thrs->temp) { + nvkm_wr32(device, thrs_reg, thrs->temp - thrs->hysteresis); + new_state = NVKM_THERM_THRS_HIGHER; + } else { + nvkm_wr32(device, thrs_reg, thrs->temp); + new_state = NVKM_THERM_THRS_LOWER; + } + + /* fix the state (in case someone reprogrammed the alarms) */ + cur = therm->func->temp_get(therm); + if (new_state == NVKM_THERM_THRS_LOWER && cur > thrs->temp) + new_state = NVKM_THERM_THRS_HIGHER; + else if (new_state == NVKM_THERM_THRS_HIGHER && + cur < thrs->temp - thrs->hysteresis) + new_state = NVKM_THERM_THRS_LOWER; + nvkm_therm_sensor_set_threshold_state(therm, thrs_name, new_state); + + /* find the direction */ + if (prev_state < new_state) + direction = NVKM_THERM_THRS_RISING; + else if (prev_state > new_state) + direction = NVKM_THERM_THRS_FALLING; + else + return; + + /* advertise a change in direction */ + nvkm_therm_sensor_event(therm, thrs_name, direction); +} + +static void +g84_therm_intr(struct nvkm_therm *therm) +{ + struct nvkm_subdev *subdev = &therm->subdev; + struct nvkm_device *device = subdev->device; + struct nvbios_therm_sensor *sensor = &therm->bios_sensor; + unsigned long flags; + uint32_t intr; + + spin_lock_irqsave(&therm->sensor.alarm_program_lock, flags); + + intr = nvkm_rd32(device, 0x20100) & 0x3ff; + + /* THRS_4: downclock */ + if (intr & 0x002) { + g84_therm_threshold_hyst_emulation(therm, 0x20414, 24, + &sensor->thrs_down_clock, + NVKM_THERM_THRS_DOWNCLOCK); + intr &= ~0x002; + } + + /* shutdown */ + if (intr & 0x004) { + g84_therm_threshold_hyst_emulation(therm, 0x20480, 20, + &sensor->thrs_shutdown, + NVKM_THERM_THRS_SHUTDOWN); + intr &= ~0x004; + } + + /* THRS_1 : fan boost */ + if (intr & 0x008) { + g84_therm_threshold_hyst_emulation(therm, 0x204c4, 21, + &sensor->thrs_fan_boost, + NVKM_THERM_THRS_FANBOOST); + intr &= ~0x008; + } + + /* THRS_2 : critical */ + if (intr & 0x010) { + g84_therm_threshold_hyst_emulation(therm, 0x204c0, 22, + &sensor->thrs_critical, + NVKM_THERM_THRS_CRITICAL); + intr &= ~0x010; + } + + if (intr) + nvkm_error(subdev, "intr %08x\n", intr); + + /* ACK everything */ + nvkm_wr32(device, 0x20100, 0xffffffff); + nvkm_wr32(device, 0x1100, 0x10000); /* PBUS */ + + spin_unlock_irqrestore(&therm->sensor.alarm_program_lock, flags); +} + +void +g84_therm_fini(struct nvkm_therm *therm) +{ + struct nvkm_device *device = therm->subdev.device; + + /* Disable PTherm IRQs */ + nvkm_wr32(device, 0x20000, 0x00000000); + + /* ACK all PTherm IRQs */ + nvkm_wr32(device, 0x20100, 0xffffffff); + nvkm_wr32(device, 0x1100, 0x10000); /* PBUS */ +} + +void +g84_therm_init(struct nvkm_therm *therm) +{ + g84_sensor_setup(therm); +} + +static const struct nvkm_therm_func +g84_therm = { + .init = g84_therm_init, + .fini = g84_therm_fini, + .intr = g84_therm_intr, + .pwm_ctrl = nv50_fan_pwm_ctrl, + .pwm_get = nv50_fan_pwm_get, + .pwm_set = nv50_fan_pwm_set, + .pwm_clock = nv50_fan_pwm_clock, + .temp_get = g84_temp_get, + .program_alarms = g84_therm_program_alarms, +}; + +int +g84_therm_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_therm **ptherm) +{ + struct nvkm_therm *therm; + int ret; + + ret = nvkm_therm_new_(&g84_therm, device, type, inst, &therm); + *ptherm = therm; + if (ret) + return ret; + + /* init the thresholds */ + nvkm_therm_sensor_set_threshold_state(therm, NVKM_THERM_THRS_SHUTDOWN, + NVKM_THERM_THRS_LOWER); + nvkm_therm_sensor_set_threshold_state(therm, NVKM_THERM_THRS_FANBOOST, + NVKM_THERM_THRS_LOWER); + nvkm_therm_sensor_set_threshold_state(therm, NVKM_THERM_THRS_CRITICAL, + NVKM_THERM_THRS_LOWER); + nvkm_therm_sensor_set_threshold_state(therm, NVKM_THERM_THRS_DOWNCLOCK, + NVKM_THERM_THRS_LOWER); + return 0; +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gf100.c new file mode 100644 index 000000000..5ae691332 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gf100.c @@ -0,0 +1,58 @@ +/* + * Copyright 2018 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: Lyude Paul + */ +#include <core/device.h> + +#include "priv.h" + +#define pack_for_each_init(init, pack, head) \ + for (pack = head; pack && pack->init; pack++) \ + for (init = pack->init; init && init->count; init++) +void +gf100_clkgate_init(struct nvkm_therm *therm, + const struct nvkm_therm_clkgate_pack *p) +{ + struct nvkm_device *device = therm->subdev.device; + const struct nvkm_therm_clkgate_pack *pack; + const struct nvkm_therm_clkgate_init *init; + u32 next, addr; + + pack_for_each_init(init, pack, p) { + next = init->addr + init->count * 8; + addr = init->addr; + + nvkm_trace(&therm->subdev, "{ 0x%06x, %d, 0x%08x }\n", + init->addr, init->count, init->data); + while (addr < next) { + nvkm_trace(&therm->subdev, "\t0x%06x = 0x%08x\n", + addr, init->data); + nvkm_wr32(device, addr, init->data); + addr += 8; + } + } +} + +/* + * TODO: Fermi clockgating isn't understood fully yet, so we don't specify any + * clockgate functions to use + */ diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gf100.h b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gf100.h new file mode 100644 index 000000000..cfb25af77 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gf100.h @@ -0,0 +1,35 @@ +/* + * Copyright 2018 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: Lyude Paul + */ + +#ifndef __GF100_THERM_H__ +#define __GF100_THERM_H__ + +#include <core/device.h> + +struct gf100_idle_filter { + u32 fecs; + u32 hubmmu; +}; + +#endif diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gf119.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gf119.c new file mode 100644 index 000000000..684aff743 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gf119.c @@ -0,0 +1,154 @@ +/* + * 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 +pwm_info(struct nvkm_therm *therm, int line) +{ + struct nvkm_subdev *subdev = &therm->subdev; + struct nvkm_device *device = subdev->device; + u32 gpio = nvkm_rd32(device, 0x00d610 + (line * 0x04)); + + switch (gpio & 0x000000c0) { + case 0x00000000: /* normal mode, possibly pwm forced off by us */ + case 0x00000040: /* nvio special */ + switch (gpio & 0x0000001f) { + case 0x00: return 2; + case 0x19: return 1; + case 0x1c: return 0; + case 0x1e: return 2; + default: + break; + } + break; + default: + break; + } + + nvkm_error(subdev, "GPIO %d unknown PWM: %08x\n", line, gpio); + return -ENODEV; +} + +int +gf119_fan_pwm_ctrl(struct nvkm_therm *therm, int line, bool enable) +{ + struct nvkm_device *device = therm->subdev.device; + u32 data = enable ? 0x00000040 : 0x00000000; + int indx = pwm_info(therm, line); + if (indx < 0) + return indx; + else if (indx < 2) + nvkm_mask(device, 0x00d610 + (line * 0x04), 0x000000c0, data); + /* nothing to do for indx == 2, it seems hardwired to PTHERM */ + return 0; +} + +int +gf119_fan_pwm_get(struct nvkm_therm *therm, int line, u32 *divs, u32 *duty) +{ + struct nvkm_device *device = therm->subdev.device; + int indx = pwm_info(therm, line); + if (indx < 0) + return indx; + else if (indx < 2) { + if (nvkm_rd32(device, 0x00d610 + (line * 0x04)) & 0x00000040) { + *divs = nvkm_rd32(device, 0x00e114 + (indx * 8)); + *duty = nvkm_rd32(device, 0x00e118 + (indx * 8)); + return 0; + } + } else if (indx == 2) { + *divs = nvkm_rd32(device, 0x0200d8) & 0x1fff; + *duty = nvkm_rd32(device, 0x0200dc) & 0x1fff; + return 0; + } + + return -EINVAL; +} + +int +gf119_fan_pwm_set(struct nvkm_therm *therm, int line, u32 divs, u32 duty) +{ + struct nvkm_device *device = therm->subdev.device; + int indx = pwm_info(therm, line); + if (indx < 0) + return indx; + else if (indx < 2) { + nvkm_wr32(device, 0x00e114 + (indx * 8), divs); + nvkm_wr32(device, 0x00e118 + (indx * 8), duty | 0x80000000); + } else if (indx == 2) { + nvkm_mask(device, 0x0200d8, 0x1fff, divs); /* keep the high bits */ + nvkm_wr32(device, 0x0200dc, duty | 0x40000000); + } + return 0; +} + +int +gf119_fan_pwm_clock(struct nvkm_therm *therm, int line) +{ + struct nvkm_device *device = therm->subdev.device; + int indx = pwm_info(therm, line); + if (indx < 0) + return 0; + else if (indx < 2) + return (device->crystal * 1000) / 20; + else + return device->crystal * 1000 / 10; +} + +void +gf119_therm_init(struct nvkm_therm *therm) +{ + struct nvkm_device *device = therm->subdev.device; + + g84_sensor_setup(therm); + + /* enable fan tach, count revolutions per-second */ + nvkm_mask(device, 0x00e720, 0x00000003, 0x00000002); + if (therm->fan->tach.func != DCB_GPIO_UNUSED) { + nvkm_mask(device, 0x00d79c, 0x000000ff, therm->fan->tach.line); + nvkm_wr32(device, 0x00e724, device->crystal * 1000); + nvkm_mask(device, 0x00e720, 0x00000001, 0x00000001); + } + nvkm_mask(device, 0x00e720, 0x00000002, 0x00000000); +} + +static const struct nvkm_therm_func +gf119_therm = { + .init = gf119_therm_init, + .fini = g84_therm_fini, + .pwm_ctrl = gf119_fan_pwm_ctrl, + .pwm_get = gf119_fan_pwm_get, + .pwm_set = gf119_fan_pwm_set, + .pwm_clock = gf119_fan_pwm_clock, + .temp_get = g84_temp_get, + .fan_sense = gt215_therm_fan_sense, + .program_alarms = nvkm_therm_program_alarms_polling, +}; + +int +gf119_therm_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_therm **ptherm) +{ + return nvkm_therm_new_(&gf119_therm, device, type, inst, ptherm); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gk104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gk104.c new file mode 100644 index 000000000..45e295c27 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gk104.c @@ -0,0 +1,133 @@ +/* + * Copyright 2018 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: Lyude Paul + */ +#include <core/device.h> + +#include "priv.h" +#include "gk104.h" + +void +gk104_clkgate_enable(struct nvkm_therm *base) +{ + struct gk104_therm *therm = gk104_therm(base); + struct nvkm_device *dev = therm->base.subdev.device; + const struct gk104_clkgate_engine_info *order = therm->clkgate_order; + int i; + + /* Program ENG_MANT, ENG_FILTER */ + for (i = 0; order[i].type != NVKM_SUBDEV_NR; i++) { + if (!nvkm_device_subdev(dev, order[i].type, order[i].inst)) + continue; + + nvkm_mask(dev, 0x20200 + order[i].offset, 0xff00, 0x4500); + } + + /* magic */ + nvkm_wr32(dev, 0x020288, therm->idle_filter->fecs); + nvkm_wr32(dev, 0x02028c, therm->idle_filter->hubmmu); + + /* Enable clockgating (ENG_CLK = RUN->AUTO) */ + for (i = 0; order[i].type != NVKM_SUBDEV_NR; i++) { + if (!nvkm_device_subdev(dev, order[i].type, order[i].inst)) + continue; + + nvkm_mask(dev, 0x20200 + order[i].offset, 0x00ff, 0x0045); + } +} + +void +gk104_clkgate_fini(struct nvkm_therm *base, bool suspend) +{ + struct gk104_therm *therm = gk104_therm(base); + struct nvkm_device *dev = therm->base.subdev.device; + const struct gk104_clkgate_engine_info *order = therm->clkgate_order; + int i; + + /* ENG_CLK = AUTO->RUN, ENG_PWR = RUN->AUTO */ + for (i = 0; order[i].type != NVKM_SUBDEV_NR; i++) { + if (!nvkm_device_subdev(dev, order[i].type, order[i].inst)) + continue; + + nvkm_mask(dev, 0x20200 + order[i].offset, 0xff, 0x54); + } +} + +const struct gk104_clkgate_engine_info gk104_clkgate_engine_info[] = { + { NVKM_ENGINE_GR, 0, 0x00 }, + { NVKM_ENGINE_MSPDEC, 0, 0x04 }, + { NVKM_ENGINE_MSPPP, 0, 0x08 }, + { NVKM_ENGINE_MSVLD, 0, 0x0c }, + { NVKM_ENGINE_CE, 0, 0x10 }, + { NVKM_ENGINE_CE, 1, 0x14 }, + { NVKM_ENGINE_MSENC, 0, 0x18 }, + { NVKM_ENGINE_CE, 2, 0x1c }, + { NVKM_SUBDEV_NR }, +}; + +const struct gf100_idle_filter gk104_idle_filter = { + .fecs = 0x00001000, + .hubmmu = 0x00001000, +}; + +static const struct nvkm_therm_func +gk104_therm_func = { + .init = gf119_therm_init, + .fini = g84_therm_fini, + .pwm_ctrl = gf119_fan_pwm_ctrl, + .pwm_get = gf119_fan_pwm_get, + .pwm_set = gf119_fan_pwm_set, + .pwm_clock = gf119_fan_pwm_clock, + .temp_get = g84_temp_get, + .fan_sense = gt215_therm_fan_sense, + .program_alarms = nvkm_therm_program_alarms_polling, + .clkgate_init = gf100_clkgate_init, + .clkgate_enable = gk104_clkgate_enable, + .clkgate_fini = gk104_clkgate_fini, +}; + +static int +gk104_therm_new_(const struct nvkm_therm_func *func, struct nvkm_device *device, + enum nvkm_subdev_type type, int inst, + const struct gk104_clkgate_engine_info *clkgate_order, + const struct gf100_idle_filter *idle_filter, + struct nvkm_therm **ptherm) +{ + struct gk104_therm *therm = kzalloc(sizeof(*therm), GFP_KERNEL); + + if (!therm) + return -ENOMEM; + + nvkm_therm_ctor(&therm->base, device, type, inst, func); + *ptherm = &therm->base; + therm->clkgate_order = clkgate_order; + therm->idle_filter = idle_filter; + return 0; +} + +int +gk104_therm_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_therm **ptherm) +{ + return gk104_therm_new_(&gk104_therm_func, device, type, inst, + gk104_clkgate_engine_info, &gk104_idle_filter, + ptherm); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gk104.h b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gk104.h new file mode 100644 index 000000000..9a8641421 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gk104.h @@ -0,0 +1,49 @@ +/* + * Copyright 2018 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: Lyude Paul + */ + +#ifndef __GK104_THERM_H__ +#define __GK104_THERM_H__ +#define gk104_therm(p) (container_of((p), struct gk104_therm, base)) + +#include <subdev/therm.h> +#include "priv.h" +#include "gf100.h" + +struct gk104_clkgate_engine_info { + enum nvkm_subdev_type type; + int inst; + u8 offset; +}; + +struct gk104_therm { + struct nvkm_therm base; + + const struct gk104_clkgate_engine_info *clkgate_order; + const struct gf100_idle_filter *idle_filter; +}; + +extern const struct gk104_clkgate_engine_info gk104_clkgate_engine_info[]; +extern const struct gf100_idle_filter gk104_idle_filter; + +#endif diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gm107.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gm107.c new file mode 100644 index 000000000..c845fd392 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gm107.c @@ -0,0 +1,75 @@ +/* + * Copyright 2014 Martin Peres + * + * 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" + +static int +gm107_fan_pwm_ctrl(struct nvkm_therm *therm, int line, bool enable) +{ + /* nothing to do, it seems hardwired */ + return 0; +} + +static int +gm107_fan_pwm_get(struct nvkm_therm *therm, int line, u32 *divs, u32 *duty) +{ + struct nvkm_device *device = therm->subdev.device; + *divs = nvkm_rd32(device, 0x10eb20) & 0x1fff; + *duty = nvkm_rd32(device, 0x10eb24) & 0x1fff; + return 0; +} + +static int +gm107_fan_pwm_set(struct nvkm_therm *therm, int line, u32 divs, u32 duty) +{ + struct nvkm_device *device = therm->subdev.device; + nvkm_mask(device, 0x10eb10, 0x1fff, divs); /* keep the high bits */ + nvkm_wr32(device, 0x10eb14, duty | 0x80000000); + return 0; +} + +static int +gm107_fan_pwm_clock(struct nvkm_therm *therm, int line) +{ + return therm->subdev.device->crystal * 1000; +} + +static const struct nvkm_therm_func +gm107_therm = { + .init = gf119_therm_init, + .fini = g84_therm_fini, + .pwm_ctrl = gm107_fan_pwm_ctrl, + .pwm_get = gm107_fan_pwm_get, + .pwm_set = gm107_fan_pwm_set, + .pwm_clock = gm107_fan_pwm_clock, + .temp_get = g84_temp_get, + .fan_sense = gt215_therm_fan_sense, + .program_alarms = nvkm_therm_program_alarms_polling, +}; + +int +gm107_therm_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_therm **ptherm) +{ + return nvkm_therm_new_(&gm107_therm, device, type, inst, ptherm); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gm200.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gm200.c new file mode 100644 index 000000000..e0cdd1246 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gm200.c @@ -0,0 +1,39 @@ +/* + * Copyright 2017 Karol Herbst + * + * 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: Karol Herbst + */ +#include "priv.h" + +static const struct nvkm_therm_func +gm200_therm = { + .init = g84_therm_init, + .fini = g84_therm_fini, + .temp_get = g84_temp_get, + .program_alarms = nvkm_therm_program_alarms_polling, +}; + +int +gm200_therm_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_therm **ptherm) +{ + return nvkm_therm_new_(&gm200_therm, device, type, inst, ptherm); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gp100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gp100.c new file mode 100644 index 000000000..44f021392 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gp100.c @@ -0,0 +1,56 @@ +/* + * Copyright 2017 Rhys Kidd + * + * 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: Rhys Kidd + */ +#include "priv.h" + +static int +gp100_temp_get(struct nvkm_therm *therm) +{ + struct nvkm_device *device = therm->subdev.device; + struct nvkm_subdev *subdev = &therm->subdev; + u32 tsensor = nvkm_rd32(device, 0x020460); + u32 inttemp = (tsensor & 0x0001fff8); + + /* device SHADOWed */ + if (tsensor & 0x40000000) + nvkm_trace(subdev, "reading temperature from SHADOWed sensor\n"); + + /* device valid */ + if (tsensor & 0x20000000) + return (inttemp >> 8); + else + return -ENODEV; +} + +static const struct nvkm_therm_func +gp100_therm = { + .temp_get = gp100_temp_get, + .program_alarms = nvkm_therm_program_alarms_polling, +}; + +int +gp100_therm_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_therm **ptherm) +{ + return nvkm_therm_new_(&gp100_therm, device, type, inst, ptherm); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gt215.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gt215.c new file mode 100644 index 000000000..9e451bd93 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gt215.c @@ -0,0 +1,75 @@ +/* + * 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" + +#include <subdev/gpio.h> + +int +gt215_therm_fan_sense(struct nvkm_therm *therm) +{ + struct nvkm_device *device = therm->subdev.device; + u32 tach = nvkm_rd32(device, 0x00e728) & 0x0000ffff; + u32 ctrl = nvkm_rd32(device, 0x00e720); + if (ctrl & 0x00000001) + return tach * 60 / 2; + return -ENODEV; +} + +static void +gt215_therm_init(struct nvkm_therm *therm) +{ + struct nvkm_device *device = therm->subdev.device; + struct dcb_gpio_func *tach = &therm->fan->tach; + + g84_sensor_setup(therm); + + /* enable fan tach, count revolutions per-second */ + nvkm_mask(device, 0x00e720, 0x00000003, 0x00000002); + if (tach->func != DCB_GPIO_UNUSED) { + nvkm_wr32(device, 0x00e724, device->crystal * 1000); + nvkm_mask(device, 0x00e720, 0x001f0000, tach->line << 16); + nvkm_mask(device, 0x00e720, 0x00000001, 0x00000001); + } + nvkm_mask(device, 0x00e720, 0x00000002, 0x00000000); +} + +static const struct nvkm_therm_func +gt215_therm = { + .init = gt215_therm_init, + .fini = g84_therm_fini, + .pwm_ctrl = nv50_fan_pwm_ctrl, + .pwm_get = nv50_fan_pwm_get, + .pwm_set = nv50_fan_pwm_set, + .pwm_clock = nv50_fan_pwm_clock, + .temp_get = g84_temp_get, + .fan_sense = gt215_therm_fan_sense, + .program_alarms = nvkm_therm_program_alarms_polling, +}; + +int +gt215_therm_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_therm **ptherm) +{ + return nvkm_therm_new_(>215_therm, device, type, inst, ptherm); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/ic.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/ic.c new file mode 100644 index 000000000..abf3eda68 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/ic.c @@ -0,0 +1,127 @@ +/* + * Copyright 2012 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 <subdev/bios/extdev.h> +#include <subdev/i2c.h> + +static bool +probe_monitoring_device(struct nvkm_i2c_bus *bus, + struct i2c_board_info *info, void *data) +{ + struct nvkm_therm *therm = data; + struct nvbios_therm_sensor *sensor = &therm->bios_sensor; + struct i2c_client *client; + + request_module("%s%s", I2C_MODULE_PREFIX, info->type); + + client = i2c_new_client_device(&bus->i2c, info); + if (IS_ERR(client)) + return false; + + if (!client->dev.driver || + to_i2c_driver(client->dev.driver)->detect(client, info)) { + i2c_unregister_device(client); + return false; + } + + nvkm_debug(&therm->subdev, + "Found an %s at address 0x%x (controlled by lm_sensors, " + "temp offset %+i C)\n", + info->type, info->addr, sensor->offset_constant); + therm->ic = client; + return true; +} + +static struct nvkm_i2c_bus_probe +nv_board_infos[] = { + { { I2C_BOARD_INFO("w83l785ts", 0x2d) }, 0 }, + { { I2C_BOARD_INFO("w83781d", 0x2d) }, 0 }, + { { I2C_BOARD_INFO("adt7473", 0x2e) }, 40 }, + { { I2C_BOARD_INFO("adt7473", 0x2d) }, 40 }, + { { I2C_BOARD_INFO("adt7473", 0x2c) }, 40 }, + { { I2C_BOARD_INFO("f75375", 0x2e) }, 0 }, + { { I2C_BOARD_INFO("lm99", 0x4c) }, 0 }, + { { I2C_BOARD_INFO("lm90", 0x4c) }, 0 }, + { { I2C_BOARD_INFO("lm90", 0x4d) }, 0 }, + { { I2C_BOARD_INFO("adm1021", 0x18) }, 0 }, + { { I2C_BOARD_INFO("adm1021", 0x19) }, 0 }, + { { I2C_BOARD_INFO("adm1021", 0x1a) }, 0 }, + { { I2C_BOARD_INFO("adm1021", 0x29) }, 0 }, + { { I2C_BOARD_INFO("adm1021", 0x2a) }, 0 }, + { { I2C_BOARD_INFO("adm1021", 0x2b) }, 0 }, + { { I2C_BOARD_INFO("adm1021", 0x4c) }, 0 }, + { { I2C_BOARD_INFO("adm1021", 0x4d) }, 0 }, + { { I2C_BOARD_INFO("adm1021", 0x4e) }, 0 }, + { { I2C_BOARD_INFO("lm63", 0x18) }, 0 }, + { { I2C_BOARD_INFO("lm63", 0x4e) }, 0 }, + { } +}; + +void +nvkm_therm_ic_ctor(struct nvkm_therm *therm) +{ + struct nvkm_device *device = therm->subdev.device; + struct nvkm_bios *bios = device->bios; + struct nvkm_i2c *i2c = device->i2c; + struct nvkm_i2c_bus *bus; + struct nvbios_extdev_func extdev_entry; + + bus = nvkm_i2c_bus_find(i2c, NVKM_I2C_BUS_PRI); + if (!bus) + return; + + if (!nvbios_extdev_find(bios, NVBIOS_EXTDEV_LM89, &extdev_entry)) { + struct nvkm_i2c_bus_probe board[] = { + { { I2C_BOARD_INFO("lm90", extdev_entry.addr >> 1) }, 0}, + { } + }; + + nvkm_i2c_bus_probe(bus, "monitoring device", board, + probe_monitoring_device, therm); + if (therm->ic) + return; + } + + if (!nvbios_extdev_find(bios, NVBIOS_EXTDEV_ADT7473, &extdev_entry)) { + struct nvkm_i2c_bus_probe board[] = { + { { I2C_BOARD_INFO("adt7473", extdev_entry.addr >> 1) }, 20 }, + { } + }; + + nvkm_i2c_bus_probe(bus, "monitoring device", board, + probe_monitoring_device, therm); + if (therm->ic) + return; + } + + if (nvbios_extdev_skip_probe(bios)) + return; + + /* The vbios doesn't provide the address of an exisiting monitoring + device. Let's try our static list. + */ + nvkm_i2c_bus_probe(bus, "monitoring device", nv_board_infos, + probe_monitoring_device, therm); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/nv40.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/nv40.c new file mode 100644 index 000000000..c13fee973 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/nv40.c @@ -0,0 +1,204 @@ +/* + * 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" + +enum nv40_sensor_style { INVALID_STYLE = -1, OLD_STYLE = 0, NEW_STYLE = 1 }; + +static enum nv40_sensor_style +nv40_sensor_style(struct nvkm_therm *therm) +{ + switch (therm->subdev.device->chipset) { + case 0x43: + case 0x44: + case 0x4a: + case 0x47: + return OLD_STYLE; + case 0x46: + case 0x49: + case 0x4b: + case 0x4e: + case 0x4c: + case 0x67: + case 0x68: + case 0x63: + return NEW_STYLE; + default: + return INVALID_STYLE; + } +} + +static int +nv40_sensor_setup(struct nvkm_therm *therm) +{ + struct nvkm_device *device = therm->subdev.device; + enum nv40_sensor_style style = nv40_sensor_style(therm); + + /* enable ADC readout and disable the ALARM threshold */ + if (style == NEW_STYLE) { + nvkm_mask(device, 0x15b8, 0x80000000, 0); + nvkm_wr32(device, 0x15b0, 0x80003fff); + mdelay(20); /* wait for the temperature to stabilize */ + return nvkm_rd32(device, 0x15b4) & 0x3fff; + } else if (style == OLD_STYLE) { + nvkm_wr32(device, 0x15b0, 0xff); + mdelay(20); /* wait for the temperature to stabilize */ + return nvkm_rd32(device, 0x15b4) & 0xff; + } else + return -ENODEV; +} + +static int +nv40_temp_get(struct nvkm_therm *therm) +{ + struct nvkm_device *device = therm->subdev.device; + struct nvbios_therm_sensor *sensor = &therm->bios_sensor; + enum nv40_sensor_style style = nv40_sensor_style(therm); + int core_temp; + + if (style == NEW_STYLE) { + nvkm_wr32(device, 0x15b0, 0x80003fff); + core_temp = nvkm_rd32(device, 0x15b4) & 0x3fff; + } else if (style == OLD_STYLE) { + nvkm_wr32(device, 0x15b0, 0xff); + core_temp = nvkm_rd32(device, 0x15b4) & 0xff; + } else + return -ENODEV; + + /* 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; + + 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; + + /* reserve negative temperatures for errors */ + if (core_temp < 0) + core_temp = 0; + + return core_temp; +} + +static int +nv40_fan_pwm_ctrl(struct nvkm_therm *therm, int line, bool enable) +{ + struct nvkm_subdev *subdev = &therm->subdev; + struct nvkm_device *device = subdev->device; + u32 mask = enable ? 0x80000000 : 0x00000000; + if (line == 2) nvkm_mask(device, 0x0010f0, 0x80000000, mask); + else if (line == 9) nvkm_mask(device, 0x0015f4, 0x80000000, mask); + else { + nvkm_error(subdev, "unknown pwm ctrl for gpio %d\n", line); + return -ENODEV; + } + return 0; +} + +static int +nv40_fan_pwm_get(struct nvkm_therm *therm, int line, u32 *divs, u32 *duty) +{ + struct nvkm_subdev *subdev = &therm->subdev; + struct nvkm_device *device = subdev->device; + if (line == 2) { + u32 reg = nvkm_rd32(device, 0x0010f0); + if (reg & 0x80000000) { + *duty = (reg & 0x7fff0000) >> 16; + *divs = (reg & 0x00007fff); + return 0; + } + } else + if (line == 9) { + u32 reg = nvkm_rd32(device, 0x0015f4); + if (reg & 0x80000000) { + *divs = nvkm_rd32(device, 0x0015f8); + *duty = (reg & 0x7fffffff); + return 0; + } + } else { + nvkm_error(subdev, "unknown pwm ctrl for gpio %d\n", line); + return -ENODEV; + } + + return -EINVAL; +} + +static int +nv40_fan_pwm_set(struct nvkm_therm *therm, int line, u32 divs, u32 duty) +{ + struct nvkm_subdev *subdev = &therm->subdev; + struct nvkm_device *device = subdev->device; + if (line == 2) { + nvkm_mask(device, 0x0010f0, 0x7fff7fff, (duty << 16) | divs); + } else + if (line == 9) { + nvkm_wr32(device, 0x0015f8, divs); + nvkm_mask(device, 0x0015f4, 0x7fffffff, duty); + } else { + nvkm_error(subdev, "unknown pwm ctrl for gpio %d\n", line); + return -ENODEV; + } + + return 0; +} + +void +nv40_therm_intr(struct nvkm_therm *therm) +{ + struct nvkm_subdev *subdev = &therm->subdev; + struct nvkm_device *device = subdev->device; + uint32_t stat = nvkm_rd32(device, 0x1100); + + /* traitement */ + + /* ack all IRQs */ + nvkm_wr32(device, 0x1100, 0x70000); + + nvkm_error(subdev, "THERM received an IRQ: stat = %x\n", stat); +} + +static void +nv40_therm_init(struct nvkm_therm *therm) +{ + nv40_sensor_setup(therm); +} + +static const struct nvkm_therm_func +nv40_therm = { + .init = nv40_therm_init, + .intr = nv40_therm_intr, + .pwm_ctrl = nv40_fan_pwm_ctrl, + .pwm_get = nv40_fan_pwm_get, + .pwm_set = nv40_fan_pwm_set, + .temp_get = nv40_temp_get, + .program_alarms = nvkm_therm_program_alarms_polling, +}; + +int +nv40_therm_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_therm **ptherm) +{ + return nvkm_therm_new_(&nv40_therm, device, type, inst, ptherm); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/nv50.c new file mode 100644 index 000000000..9cf16a75a --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/nv50.c @@ -0,0 +1,176 @@ +/* + * 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" + +static int +pwm_info(struct nvkm_therm *therm, int *line, int *ctrl, int *indx) +{ + struct nvkm_subdev *subdev = &therm->subdev; + + if (*line == 0x04) { + *ctrl = 0x00e100; + *line = 4; + *indx = 0; + } else + if (*line == 0x09) { + *ctrl = 0x00e100; + *line = 9; + *indx = 1; + } else + if (*line == 0x10) { + *ctrl = 0x00e28c; + *line = 0; + *indx = 0; + } else { + nvkm_error(subdev, "unknown pwm ctrl for gpio %d\n", *line); + return -ENODEV; + } + + return 0; +} + +int +nv50_fan_pwm_ctrl(struct nvkm_therm *therm, int line, bool enable) +{ + struct nvkm_device *device = therm->subdev.device; + u32 data = enable ? 0x00000001 : 0x00000000; + int ctrl, id, ret = pwm_info(therm, &line, &ctrl, &id); + if (ret == 0) + nvkm_mask(device, ctrl, 0x00010001 << line, data << line); + return ret; +} + +int +nv50_fan_pwm_get(struct nvkm_therm *therm, int line, u32 *divs, u32 *duty) +{ + struct nvkm_device *device = therm->subdev.device; + int ctrl, id, ret = pwm_info(therm, &line, &ctrl, &id); + if (ret) + return ret; + + if (nvkm_rd32(device, ctrl) & (1 << line)) { + *divs = nvkm_rd32(device, 0x00e114 + (id * 8)); + *duty = nvkm_rd32(device, 0x00e118 + (id * 8)); + return 0; + } + + return -EINVAL; +} + +int +nv50_fan_pwm_set(struct nvkm_therm *therm, int line, u32 divs, u32 duty) +{ + struct nvkm_device *device = therm->subdev.device; + int ctrl, id, ret = pwm_info(therm, &line, &ctrl, &id); + if (ret) + return ret; + + nvkm_wr32(device, 0x00e114 + (id * 8), divs); + nvkm_wr32(device, 0x00e118 + (id * 8), duty | 0x80000000); + return 0; +} + +int +nv50_fan_pwm_clock(struct nvkm_therm *therm, int line) +{ + struct nvkm_device *device = therm->subdev.device; + int pwm_clock; + + /* determine the PWM source clock */ + if (device->chipset > 0x50 && device->chipset < 0x94) { + u8 pwm_div = nvkm_rd32(device, 0x410c); + if (nvkm_rd32(device, 0xc040) & 0x800000) { + /* Use the HOST clock (100 MHz) + * Where does this constant(2.4) comes from? */ + pwm_clock = (100000000 >> pwm_div) * 10 / 24; + } else { + /* Where does this constant(20) comes from? */ + pwm_clock = (device->crystal * 1000) >> pwm_div; + pwm_clock /= 20; + } + } else { + pwm_clock = (device->crystal * 1000) / 20; + } + + return pwm_clock; +} + +static void +nv50_sensor_setup(struct nvkm_therm *therm) +{ + struct nvkm_device *device = therm->subdev.device; + nvkm_mask(device, 0x20010, 0x40000000, 0x0); + mdelay(20); /* wait for the temperature to stabilize */ +} + +static int +nv50_temp_get(struct nvkm_therm *therm) +{ + struct nvkm_device *device = therm->subdev.device; + struct nvbios_therm_sensor *sensor = &therm->bios_sensor; + int core_temp; + + core_temp = nvkm_rd32(device, 0x20014) & 0x3fff; + + /* 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; + + 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; + + /* reserve negative temperatures for errors */ + if (core_temp < 0) + core_temp = 0; + + return core_temp; +} + +static void +nv50_therm_init(struct nvkm_therm *therm) +{ + nv50_sensor_setup(therm); +} + +static const struct nvkm_therm_func +nv50_therm = { + .init = nv50_therm_init, + .intr = nv40_therm_intr, + .pwm_ctrl = nv50_fan_pwm_ctrl, + .pwm_get = nv50_fan_pwm_get, + .pwm_set = nv50_fan_pwm_set, + .pwm_clock = nv50_fan_pwm_clock, + .temp_get = nv50_temp_get, + .program_alarms = nvkm_therm_program_alarms_polling, +}; + +int +nv50_therm_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_therm **ptherm) +{ + return nvkm_therm_new_(&nv50_therm, device, type, inst, ptherm); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/priv.h new file mode 100644 index 000000000..54e960589 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/priv.h @@ -0,0 +1,137 @@ +#ifndef __NVTHERM_PRIV_H__ +#define __NVTHERM_PRIV_H__ +#define nvkm_therm(p) container_of((p), struct nvkm_therm, subdev) +/* + * 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 <subdev/therm.h> +#include <subdev/bios.h> +#include <subdev/bios/extdev.h> +#include <subdev/bios/gpio.h> +#include <subdev/bios/perf.h> + +int nvkm_therm_new_(const struct nvkm_therm_func *, struct nvkm_device *, enum nvkm_subdev_type, + int, struct nvkm_therm **); +void nvkm_therm_ctor(struct nvkm_therm *, struct nvkm_device *, enum nvkm_subdev_type, int, + const struct nvkm_therm_func *); + +struct nvkm_fan { + struct nvkm_therm *parent; + const char *type; + + struct nvbios_therm_fan bios; + struct nvbios_perf_fan perf; + + struct nvkm_alarm alarm; + spinlock_t lock; + int percent; + + int (*get)(struct nvkm_therm *); + int (*set)(struct nvkm_therm *, int percent); + + struct dcb_gpio_func tach; +}; + +int nvkm_therm_fan_mode(struct nvkm_therm *, int mode); +int nvkm_therm_attr_get(struct nvkm_therm *, enum nvkm_therm_attr_type); +int nvkm_therm_attr_set(struct nvkm_therm *, enum nvkm_therm_attr_type, int); + +void nvkm_therm_ic_ctor(struct nvkm_therm *); + +int nvkm_therm_sensor_ctor(struct nvkm_therm *); + +int nvkm_therm_fan_ctor(struct nvkm_therm *); +int nvkm_therm_fan_init(struct nvkm_therm *); +int nvkm_therm_fan_fini(struct nvkm_therm *, bool suspend); +int nvkm_therm_fan_get(struct nvkm_therm *); +int nvkm_therm_fan_set(struct nvkm_therm *, bool now, int percent); +int nvkm_therm_fan_user_get(struct nvkm_therm *); +int nvkm_therm_fan_user_set(struct nvkm_therm *, int percent); + +int nvkm_therm_sensor_init(struct nvkm_therm *); +int nvkm_therm_sensor_fini(struct nvkm_therm *, bool suspend); +void nvkm_therm_sensor_preinit(struct nvkm_therm *); +void nvkm_therm_sensor_set_threshold_state(struct nvkm_therm *, + enum nvkm_therm_thrs, + enum nvkm_therm_thrs_state); +enum nvkm_therm_thrs_state +nvkm_therm_sensor_get_threshold_state(struct nvkm_therm *, + enum nvkm_therm_thrs); +void nvkm_therm_sensor_event(struct nvkm_therm *, enum nvkm_therm_thrs, + enum nvkm_therm_thrs_direction); +void nvkm_therm_program_alarms_polling(struct nvkm_therm *); + +struct nvkm_therm_func { + void (*init)(struct nvkm_therm *); + void (*fini)(struct nvkm_therm *); + void (*intr)(struct nvkm_therm *); + + int (*pwm_ctrl)(struct nvkm_therm *, int line, bool); + int (*pwm_get)(struct nvkm_therm *, int line, u32 *, u32 *); + int (*pwm_set)(struct nvkm_therm *, int line, u32, u32); + int (*pwm_clock)(struct nvkm_therm *, int line); + + int (*temp_get)(struct nvkm_therm *); + + int (*fan_sense)(struct nvkm_therm *); + + void (*program_alarms)(struct nvkm_therm *); + + void (*clkgate_init)(struct nvkm_therm *, + const struct nvkm_therm_clkgate_pack *); + void (*clkgate_enable)(struct nvkm_therm *); + void (*clkgate_fini)(struct nvkm_therm *, bool); +}; + +void nv40_therm_intr(struct nvkm_therm *); + +int nv50_fan_pwm_ctrl(struct nvkm_therm *, int, bool); +int nv50_fan_pwm_get(struct nvkm_therm *, int, u32 *, u32 *); +int nv50_fan_pwm_set(struct nvkm_therm *, int, u32, u32); +int nv50_fan_pwm_clock(struct nvkm_therm *, int); + +int g84_temp_get(struct nvkm_therm *); +void g84_sensor_setup(struct nvkm_therm *); +void g84_therm_fini(struct nvkm_therm *); + +int gt215_therm_fan_sense(struct nvkm_therm *); + +void gf100_clkgate_init(struct nvkm_therm *, + const struct nvkm_therm_clkgate_pack *); + +void g84_therm_init(struct nvkm_therm *); + +int gf119_fan_pwm_ctrl(struct nvkm_therm *, int, bool); +int gf119_fan_pwm_get(struct nvkm_therm *, int, u32 *, u32 *); +int gf119_fan_pwm_set(struct nvkm_therm *, int, u32, u32); +int gf119_fan_pwm_clock(struct nvkm_therm *, int); +void gf119_therm_init(struct nvkm_therm *); + +void gk104_therm_init(struct nvkm_therm *); +void gk104_clkgate_enable(struct nvkm_therm *); +void gk104_clkgate_fini(struct nvkm_therm *, bool); + +int nvkm_fanpwm_create(struct nvkm_therm *, struct dcb_gpio_func *); +int nvkm_fantog_create(struct nvkm_therm *, struct dcb_gpio_func *); +int nvkm_fannil_create(struct nvkm_therm *); +#endif diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/temp.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/temp.c new file mode 100644 index 000000000..ddb2b2c60 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/temp.c @@ -0,0 +1,253 @@ +/* + * 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" + +static void +nvkm_therm_temp_set_defaults(struct nvkm_therm *therm) +{ + therm->bios_sensor.offset_constant = 0; + + therm->bios_sensor.thrs_fan_boost.temp = 90; + therm->bios_sensor.thrs_fan_boost.hysteresis = 3; + + therm->bios_sensor.thrs_down_clock.temp = 95; + therm->bios_sensor.thrs_down_clock.hysteresis = 3; + + therm->bios_sensor.thrs_critical.temp = 105; + therm->bios_sensor.thrs_critical.hysteresis = 5; + + therm->bios_sensor.thrs_shutdown.temp = 135; + therm->bios_sensor.thrs_shutdown.hysteresis = 5; /*not that it matters */ +} + +static void +nvkm_therm_temp_safety_checks(struct nvkm_therm *therm) +{ + struct nvbios_therm_sensor *s = &therm->bios_sensor; + + /* 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 +nvkm_therm_sensor_set_threshold_state(struct nvkm_therm *therm, + enum nvkm_therm_thrs thrs, + enum nvkm_therm_thrs_state st) +{ + therm->sensor.alarm_state[thrs] = st; +} + +/* must be called with alarm_program_lock taken ! */ +enum nvkm_therm_thrs_state +nvkm_therm_sensor_get_threshold_state(struct nvkm_therm *therm, + enum nvkm_therm_thrs thrs) +{ + return therm->sensor.alarm_state[thrs]; +} + +static void +nv_poweroff_work(struct work_struct *work) +{ + orderly_poweroff(true); + kfree(work); +} + +void +nvkm_therm_sensor_event(struct nvkm_therm *therm, enum nvkm_therm_thrs thrs, + enum nvkm_therm_thrs_direction dir) +{ + struct nvkm_subdev *subdev = &therm->subdev; + bool active; + static const char * const thresholds[] = { + "fanboost", "downclock", "critical", "shutdown" + }; + int temperature = therm->func->temp_get(therm); + + if (thrs < 0 || thrs > 3) + return; + + if (dir == NVKM_THERM_THRS_FALLING) + nvkm_info(subdev, + "temperature (%i C) went below the '%s' threshold\n", + temperature, thresholds[thrs]); + else + nvkm_info(subdev, "temperature (%i C) hit the '%s' threshold\n", + temperature, thresholds[thrs]); + + active = (dir == NVKM_THERM_THRS_RISING); + switch (thrs) { + case NVKM_THERM_THRS_FANBOOST: + if (active) { + nvkm_therm_fan_set(therm, true, 100); + nvkm_therm_fan_mode(therm, NVKM_THERM_CTRL_AUTO); + } + break; + case NVKM_THERM_THRS_DOWNCLOCK: + if (therm->emergency.downclock) + therm->emergency.downclock(therm, active); + break; + case NVKM_THERM_THRS_CRITICAL: + if (therm->emergency.pause) + therm->emergency.pause(therm, active); + break; + case NVKM_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 NVKM_THERM_THRS_NR: + break; + } + +} + +/* must be called with alarm_program_lock taken ! */ +static void +nvkm_therm_threshold_hyst_polling(struct nvkm_therm *therm, + const struct nvbios_therm_threshold *thrs, + enum nvkm_therm_thrs thrs_name) +{ + enum nvkm_therm_thrs_direction direction; + enum nvkm_therm_thrs_state prev_state, new_state; + int temp = therm->func->temp_get(therm); + + prev_state = nvkm_therm_sensor_get_threshold_state(therm, thrs_name); + + if (temp >= thrs->temp && prev_state == NVKM_THERM_THRS_LOWER) { + direction = NVKM_THERM_THRS_RISING; + new_state = NVKM_THERM_THRS_HIGHER; + } else if (temp <= thrs->temp - thrs->hysteresis && + prev_state == NVKM_THERM_THRS_HIGHER) { + direction = NVKM_THERM_THRS_FALLING; + new_state = NVKM_THERM_THRS_LOWER; + } else + return; /* nothing to do */ + + nvkm_therm_sensor_set_threshold_state(therm, thrs_name, new_state); + nvkm_therm_sensor_event(therm, thrs_name, direction); +} + +static void +alarm_timer_callback(struct nvkm_alarm *alarm) +{ + struct nvkm_therm *therm = + container_of(alarm, struct nvkm_therm, sensor.therm_poll_alarm); + struct nvbios_therm_sensor *sensor = &therm->bios_sensor; + struct nvkm_timer *tmr = therm->subdev.device->timer; + unsigned long flags; + + spin_lock_irqsave(&therm->sensor.alarm_program_lock, flags); + + nvkm_therm_threshold_hyst_polling(therm, &sensor->thrs_fan_boost, + NVKM_THERM_THRS_FANBOOST); + + nvkm_therm_threshold_hyst_polling(therm, + &sensor->thrs_down_clock, + NVKM_THERM_THRS_DOWNCLOCK); + + nvkm_therm_threshold_hyst_polling(therm, &sensor->thrs_critical, + NVKM_THERM_THRS_CRITICAL); + + nvkm_therm_threshold_hyst_polling(therm, &sensor->thrs_shutdown, + NVKM_THERM_THRS_SHUTDOWN); + + spin_unlock_irqrestore(&therm->sensor.alarm_program_lock, flags); + + /* schedule the next poll in one second */ + if (therm->func->temp_get(therm) >= 0) + nvkm_timer_alarm(tmr, 1000000000ULL, alarm); +} + +void +nvkm_therm_program_alarms_polling(struct nvkm_therm *therm) +{ + struct nvbios_therm_sensor *sensor = &therm->bios_sensor; + + nvkm_debug(&therm->subdev, + "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(&therm->sensor.therm_poll_alarm); +} + +int +nvkm_therm_sensor_init(struct nvkm_therm *therm) +{ + therm->func->program_alarms(therm); + return 0; +} + +int +nvkm_therm_sensor_fini(struct nvkm_therm *therm, bool suspend) +{ + struct nvkm_timer *tmr = therm->subdev.device->timer; + if (suspend) + nvkm_timer_alarm(tmr, 0, &therm->sensor.therm_poll_alarm); + return 0; +} + +void +nvkm_therm_sensor_preinit(struct nvkm_therm *therm) +{ + const char *sensor_avail = "yes"; + + if (therm->func->temp_get(therm) < 0) + sensor_avail = "no"; + + nvkm_debug(&therm->subdev, "internal sensor: %s\n", sensor_avail); +} + +int +nvkm_therm_sensor_ctor(struct nvkm_therm *therm) +{ + struct nvkm_subdev *subdev = &therm->subdev; + struct nvkm_bios *bios = subdev->device->bios; + + nvkm_alarm_init(&therm->sensor.therm_poll_alarm, alarm_timer_callback); + + nvkm_therm_temp_set_defaults(therm); + if (nvbios_therm_sensor_parse(bios, NVBIOS_THERM_DOMAIN_CORE, + &therm->bios_sensor)) + nvkm_error(subdev, "nvbios_therm_sensor_parse failed\n"); + nvkm_therm_temp_safety_checks(therm); + + return 0; +} |