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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/nouveau/nvkm/subdev/therm
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/therm')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/therm/Kbuild18
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c455
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/therm/fan.c279
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/therm/fannil.c52
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/therm/fanpwm.c110
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/therm/fantog.c116
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/therm/g84.c247
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/therm/gf100.c58
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/therm/gf100.h35
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/therm/gf119.c154
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/therm/gk104.c133
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/therm/gk104.h49
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/therm/gm107.c75
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/therm/gm200.c39
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/therm/gp100.c56
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/therm/gt215.c75
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/therm/ic.c127
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/therm/nv40.c204
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/therm/nv50.c176
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/therm/priv.h137
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/therm/temp.c253
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_(&gt215_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;
+}