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-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/therm/base.c144
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/therm/fan.c234
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/therm/ic.c116
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c163
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/therm/nv50.c157
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/therm/priv.h73
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/therm/temp.c81
7 files changed, 968 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/base.c b/drivers/gpu/drm/nouveau/core/subdev/therm/base.c
new file mode 100644
index 0000000..1674c74
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/therm/base.c
@@ -0,0 +1,144 @@
+/*
+ * 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 <core/object.h>
+#include <core/device.h>
+
+#include <subdev/bios.h>
+
+#include "priv.h"
+
+int
+nouveau_therm_attr_get(struct nouveau_therm *therm,
+ enum nouveau_therm_attr_type type)
+{
+ struct nouveau_therm_priv *priv = (void *)therm;
+
+ switch (type) {
+ case NOUVEAU_THERM_ATTR_FAN_MIN_DUTY:
+ return priv->bios_fan.min_duty;
+ case NOUVEAU_THERM_ATTR_FAN_MAX_DUTY:
+ return priv->bios_fan.max_duty;
+ case NOUVEAU_THERM_ATTR_FAN_MODE:
+ return priv->fan.mode;
+ case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST:
+ return priv->bios_sensor.thrs_fan_boost.temp;
+ case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST_HYST:
+ return priv->bios_sensor.thrs_fan_boost.hysteresis;
+ case NOUVEAU_THERM_ATTR_THRS_DOWN_CLK:
+ return priv->bios_sensor.thrs_down_clock.temp;
+ case NOUVEAU_THERM_ATTR_THRS_DOWN_CLK_HYST:
+ return priv->bios_sensor.thrs_down_clock.hysteresis;
+ case NOUVEAU_THERM_ATTR_THRS_CRITICAL:
+ return priv->bios_sensor.thrs_critical.temp;
+ case NOUVEAU_THERM_ATTR_THRS_CRITICAL_HYST:
+ return priv->bios_sensor.thrs_critical.hysteresis;
+ case NOUVEAU_THERM_ATTR_THRS_SHUTDOWN:
+ return priv->bios_sensor.thrs_shutdown.temp;
+ case NOUVEAU_THERM_ATTR_THRS_SHUTDOWN_HYST:
+ return priv->bios_sensor.thrs_shutdown.hysteresis;
+ }
+
+ return -EINVAL;
+}
+
+int
+nouveau_therm_attr_set(struct nouveau_therm *therm,
+ enum nouveau_therm_attr_type type, int value)
+{
+ struct nouveau_therm_priv *priv = (void *)therm;
+
+ switch (type) {
+ case NOUVEAU_THERM_ATTR_FAN_MIN_DUTY:
+ if (value < 0)
+ value = 0;
+ if (value > priv->bios_fan.max_duty)
+ value = priv->bios_fan.max_duty;
+ priv->bios_fan.min_duty = value;
+ return 0;
+ case NOUVEAU_THERM_ATTR_FAN_MAX_DUTY:
+ if (value < 0)
+ value = 0;
+ if (value < priv->bios_fan.min_duty)
+ value = priv->bios_fan.min_duty;
+ priv->bios_fan.max_duty = value;
+ return 0;
+ case NOUVEAU_THERM_ATTR_FAN_MODE:
+ return nouveau_therm_fan_set_mode(therm, value);
+ case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST:
+ priv->bios_sensor.thrs_fan_boost.temp = value;
+ return 0;
+ case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST_HYST:
+ priv->bios_sensor.thrs_fan_boost.hysteresis = value;
+ return 0;
+ case NOUVEAU_THERM_ATTR_THRS_DOWN_CLK:
+ priv->bios_sensor.thrs_down_clock.temp = value;
+ return 0;
+ case NOUVEAU_THERM_ATTR_THRS_DOWN_CLK_HYST:
+ priv->bios_sensor.thrs_down_clock.hysteresis = value;
+ return 0;
+ case NOUVEAU_THERM_ATTR_THRS_CRITICAL:
+ priv->bios_sensor.thrs_critical.temp = value;
+ return 0;
+ case NOUVEAU_THERM_ATTR_THRS_CRITICAL_HYST:
+ priv->bios_sensor.thrs_critical.hysteresis = value;
+ return 0;
+ case NOUVEAU_THERM_ATTR_THRS_SHUTDOWN:
+ priv->bios_sensor.thrs_shutdown.temp = value;
+ return 0;
+ case NOUVEAU_THERM_ATTR_THRS_SHUTDOWN_HYST:
+ priv->bios_sensor.thrs_shutdown.hysteresis = value;
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
+int
+nouveau_therm_init(struct nouveau_object *object)
+{
+ struct nouveau_therm *therm = (void *)object;
+ struct nouveau_therm_priv *priv = (void *)therm;
+ int ret;
+
+ ret = nouveau_subdev_init(&therm->base);
+ if (ret)
+ return ret;
+
+ if (priv->fan.percent >= 0)
+ therm->fan_set(therm, priv->fan.percent);
+
+ return 0;
+}
+
+int
+nouveau_therm_fini(struct nouveau_object *object, bool suspend)
+{
+ struct nouveau_therm *therm = (void *)object;
+ struct nouveau_therm_priv *priv = (void *)therm;
+
+ priv->fan.percent = therm->fan_get(therm);
+
+ return nouveau_subdev_fini(&therm->base, suspend);
+}
diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c b/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c
new file mode 100644
index 0000000..b292379
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c
@@ -0,0 +1,234 @@
+/*
+ * 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/object.h>
+#include <core/device.h>
+#include <subdev/gpio.h>
+#include <subdev/timer.h>
+
+int
+nouveau_therm_fan_get(struct nouveau_therm *therm)
+{
+ struct nouveau_therm_priv *priv = (void *)therm;
+ struct nouveau_gpio *gpio = nouveau_gpio(therm);
+ struct dcb_gpio_func func;
+ int card_type = nv_device(therm)->card_type;
+ u32 divs, duty;
+ int ret;
+
+ if (!priv->fan.pwm_get)
+ return -ENODEV;
+
+ ret = gpio->find(gpio, 0, DCB_GPIO_PWM_FAN, 0xff, &func);
+ if (ret == 0) {
+ ret = priv->fan.pwm_get(therm, func.line, &divs, &duty);
+ if (ret == 0 && divs) {
+ divs = max(divs, duty);
+ if (card_type <= NV_40 || (func.log[0] & 1))
+ duty = divs - duty;
+ return (duty * 100) / divs;
+ }
+
+ return gpio->get(gpio, 0, func.func, func.line) * 100;
+ }
+
+ return -ENODEV;
+}
+
+int
+nouveau_therm_fan_set(struct nouveau_therm *therm, int percent)
+{
+ struct nouveau_therm_priv *priv = (void *)therm;
+ struct nouveau_gpio *gpio = nouveau_gpio(therm);
+ struct dcb_gpio_func func;
+ int card_type = nv_device(therm)->card_type;
+ u32 divs, duty;
+ int ret;
+
+ if (priv->fan.mode == FAN_CONTROL_NONE)
+ return -EINVAL;
+
+ if (!priv->fan.pwm_set)
+ return -ENODEV;
+
+ if (percent < priv->bios_fan.min_duty)
+ percent = priv->bios_fan.min_duty;
+ if (percent > priv->bios_fan.max_duty)
+ percent = priv->bios_fan.max_duty;
+
+ ret = gpio->find(gpio, 0, DCB_GPIO_PWM_FAN, 0xff, &func);
+ if (ret == 0) {
+ divs = priv->bios_perf_fan.pwm_divisor;
+ if (priv->bios_fan.pwm_freq) {
+ divs = 1;
+ if (priv->fan.pwm_clock)
+ divs = priv->fan.pwm_clock(therm);
+ divs /= priv->bios_fan.pwm_freq;
+ }
+
+ duty = ((divs * percent) + 99) / 100;
+ if (card_type <= NV_40 || (func.log[0] & 1))
+ duty = divs - duty;
+
+ ret = priv->fan.pwm_set(therm, func.line, divs, duty);
+ return ret;
+ }
+
+ return -ENODEV;
+}
+
+int
+nouveau_therm_fan_sense(struct nouveau_therm *therm)
+{
+ struct nouveau_timer *ptimer = nouveau_timer(therm);
+ struct nouveau_gpio *gpio = nouveau_gpio(therm);
+ struct dcb_gpio_func func;
+ u32 cycles, cur, prev;
+ u64 start, end, tach;
+
+ if (gpio->find(gpio, 0, DCB_GPIO_FAN_SENSE, 0xff, &func))
+ 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 = ptimer->read(ptimer);
+ prev = gpio->get(gpio, 0, func.func, func.line);
+ cycles = 0;
+ do {
+ usleep_range(500, 1000); /* supports 0 < rpm < 7500 */
+
+ cur = gpio->get(gpio, 0, func.func, func.line);
+ if (prev != cur) {
+ if (!start)
+ start = ptimer->read(ptimer);
+ cycles++;
+ prev = cur;
+ }
+ } while (cycles < 5 && ptimer->read(ptimer) - start < 250000000);
+ end = ptimer->read(ptimer);
+
+ if (cycles == 5) {
+ tach = (u64)60000000000;
+ do_div(tach, (end - start));
+ return tach;
+ } else
+ return 0;
+}
+
+int
+nouveau_therm_fan_set_mode(struct nouveau_therm *therm,
+ enum nouveau_therm_fan_mode mode)
+{
+ struct nouveau_therm_priv *priv = (void *)therm;
+
+ if (priv->fan.mode == mode)
+ return 0;
+
+ if (mode < FAN_CONTROL_NONE || mode >= FAN_CONTROL_NR)
+ return -EINVAL;
+
+ switch (mode)
+ {
+ case FAN_CONTROL_NONE:
+ nv_info(therm, "switch fan to no-control mode\n");
+ break;
+ case FAN_CONTROL_MANUAL:
+ nv_info(therm, "switch fan to manual mode\n");
+ break;
+ case FAN_CONTROL_NR:
+ break;
+ }
+
+ priv->fan.mode = mode;
+ return 0;
+}
+
+int
+nouveau_therm_fan_user_get(struct nouveau_therm *therm)
+{
+ return nouveau_therm_fan_get(therm);
+}
+
+int
+nouveau_therm_fan_user_set(struct nouveau_therm *therm, int percent)
+{
+ struct nouveau_therm_priv *priv = (void *)therm;
+
+ if (priv->fan.mode != FAN_CONTROL_MANUAL)
+ return -EINVAL;
+
+ return nouveau_therm_fan_set(therm, percent);
+}
+
+void
+nouveau_therm_fan_set_defaults(struct nouveau_therm *therm)
+{
+ struct nouveau_therm_priv *priv = (void *)therm;
+
+ priv->bios_fan.pwm_freq = 0;
+ priv->bios_fan.min_duty = 0;
+ priv->bios_fan.max_duty = 100;
+}
+
+
+static void
+nouveau_therm_fan_safety_checks(struct nouveau_therm *therm)
+{
+ struct nouveau_therm_priv *priv = (void *)therm;
+
+ if (priv->bios_fan.min_duty > 100)
+ priv->bios_fan.min_duty = 100;
+ if (priv->bios_fan.max_duty > 100)
+ priv->bios_fan.max_duty = 100;
+
+ if (priv->bios_fan.min_duty > priv->bios_fan.max_duty)
+ priv->bios_fan.min_duty = priv->bios_fan.max_duty;
+}
+
+int nouveau_fan_pwm_clock_dummy(struct nouveau_therm *therm)
+{
+ return 1;
+}
+
+int
+nouveau_therm_fan_ctor(struct nouveau_therm *therm)
+{
+ struct nouveau_therm_priv *priv = (void *)therm;
+ struct nouveau_bios *bios = nouveau_bios(therm);
+
+ nouveau_therm_fan_set_defaults(therm);
+ nvbios_perf_fan_parse(bios, &priv->bios_perf_fan);
+ if (nvbios_therm_fan_parse(bios, &priv->bios_fan))
+ nv_error(therm, "parsing the thermal table failed\n");
+ nouveau_therm_fan_safety_checks(therm);
+
+ nouveau_therm_fan_set_mode(therm, FAN_CONTROL_NONE);
+
+ return 0;
+}
diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/ic.c b/drivers/gpu/drm/nouveau/core/subdev/therm/ic.c
new file mode 100644
index 0000000..e512ff0
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/therm/ic.c
@@ -0,0 +1,116 @@
+/*
+ * 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/i2c.h>
+#include <subdev/bios/extdev.h>
+
+static bool
+probe_monitoring_device(struct nouveau_i2c_port *i2c,
+ struct i2c_board_info *info)
+{
+ struct nouveau_therm_priv *priv = (void *)nouveau_therm(i2c->i2c);
+ struct i2c_client *client;
+
+ request_module("%s%s", I2C_MODULE_PREFIX, info->type);
+
+ client = i2c_new_device(&i2c->adapter, info);
+ if (!client)
+ return false;
+
+ if (!client->driver || client->driver->detect(client, info)) {
+ i2c_unregister_device(client);
+ return false;
+ }
+
+ nv_info(priv,
+ "Found an %s at address 0x%x (controlled by lm_sensors)\n",
+ info->type, info->addr);
+ priv->ic = client;
+
+ return true;
+}
+
+void
+nouveau_therm_ic_ctor(struct nouveau_therm *therm)
+{
+ struct nouveau_therm_priv *priv = (void *)therm;
+ struct nouveau_bios *bios = nouveau_bios(therm);
+ struct nouveau_i2c *i2c = nouveau_i2c(therm);
+ struct nvbios_extdev_func extdev_entry;
+ struct i2c_board_info info[] = {
+ { I2C_BOARD_INFO("w83l785ts", 0x2d) },
+ { I2C_BOARD_INFO("w83781d", 0x2d) },
+ { I2C_BOARD_INFO("adt7473", 0x2e) },
+ { I2C_BOARD_INFO("adt7473", 0x2d) },
+ { I2C_BOARD_INFO("adt7473", 0x2c) },
+ { I2C_BOARD_INFO("f75375", 0x2e) },
+ { I2C_BOARD_INFO("lm99", 0x4c) },
+ { I2C_BOARD_INFO("lm90", 0x4c) },
+ { I2C_BOARD_INFO("lm90", 0x4d) },
+ { I2C_BOARD_INFO("adm1021", 0x18) },
+ { I2C_BOARD_INFO("adm1021", 0x19) },
+ { I2C_BOARD_INFO("adm1021", 0x1a) },
+ { I2C_BOARD_INFO("adm1021", 0x29) },
+ { I2C_BOARD_INFO("adm1021", 0x2a) },
+ { I2C_BOARD_INFO("adm1021", 0x2b) },
+ { I2C_BOARD_INFO("adm1021", 0x4c) },
+ { I2C_BOARD_INFO("adm1021", 0x4d) },
+ { I2C_BOARD_INFO("adm1021", 0x4e) },
+ { I2C_BOARD_INFO("lm63", 0x18) },
+ { I2C_BOARD_INFO("lm63", 0x4e) },
+ { }
+ };
+
+ if (!nvbios_extdev_find(bios, NVBIOS_EXTDEV_LM89, &extdev_entry)) {
+ struct i2c_board_info board[] = {
+ { I2C_BOARD_INFO("lm90", extdev_entry.addr >> 1) },
+ { }
+ };
+
+ i2c->identify(i2c, NV_I2C_DEFAULT(0), "monitoring device",
+ board, probe_monitoring_device);
+ if (priv->ic)
+ return;
+ }
+
+ if (!nvbios_extdev_find(bios, NVBIOS_EXTDEV_ADT7473, &extdev_entry)) {
+ struct i2c_board_info board[] = {
+ { I2C_BOARD_INFO("adt7473", extdev_entry.addr >> 1) },
+ { }
+ };
+
+ i2c->identify(i2c, NV_I2C_DEFAULT(0), "monitoring device",
+ board, probe_monitoring_device);
+ if (priv->ic)
+ return;
+ }
+
+ /* The vbios doesn't provide the address of an exisiting monitoring
+ device. Let's try our static list.
+ */
+ i2c->identify(i2c, NV_I2C_DEFAULT(0), "monitoring device", info,
+ probe_monitoring_device);
+}
diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c b/drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c
new file mode 100644
index 0000000..fcf2cfe
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c
@@ -0,0 +1,163 @@
+/*
+ * 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
+nv40_sensor_setup(struct nouveau_therm *therm)
+{
+ struct nouveau_device *device = nv_device(therm);
+
+ /* enable ADC readout and disable the ALARM threshold */
+ if (device->chipset >= 0x46) {
+ nv_mask(therm, 0x15b8, 0x80000000, 0);
+ nv_wr32(therm, 0x15b0, 0x80003fff);
+ return nv_rd32(therm, 0x15b4) & 0x3fff;
+ } else {
+ nv_wr32(therm, 0x15b0, 0xff);
+ return nv_rd32(therm, 0x15b4) & 0xff;
+ }
+}
+
+static int
+nv40_temp_get(struct nouveau_therm *therm)
+{
+ struct nouveau_therm_priv *priv = (void *)therm;
+ struct nouveau_device *device = nv_device(therm);
+ struct nvbios_therm_sensor *sensor = &priv->bios_sensor;
+ int core_temp;
+
+ if (device->chipset >= 0x46) {
+ nv_wr32(therm, 0x15b0, 0x80003fff);
+ core_temp = nv_rd32(therm, 0x15b4) & 0x3fff;
+ } else {
+ nv_wr32(therm, 0x15b0, 0xff);
+ core_temp = nv_rd32(therm, 0x15b4) & 0xff;
+ }
+
+ /* Setup the sensor if the temperature is 0 */
+ if (core_temp == 0)
+ core_temp = nv40_sensor_setup(therm);
+
+ if (sensor->slope_div == 0)
+ sensor->slope_div = 1;
+ if (sensor->offset_den == 0)
+ sensor->offset_den = 1;
+ if (sensor->slope_mult < 1)
+ sensor->slope_mult = 1;
+
+ 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;
+
+ return core_temp;
+}
+
+int
+nv40_fan_pwm_get(struct nouveau_therm *therm, int line, u32 *divs, u32 *duty)
+{
+ if (line == 2) {
+ u32 reg = nv_rd32(therm, 0x0010f0);
+ if (reg & 0x80000000) {
+ *duty = (reg & 0x7fff0000) >> 16;
+ *divs = (reg & 0x00007fff);
+ return 0;
+ }
+ } else
+ if (line == 9) {
+ u32 reg = nv_rd32(therm, 0x0015f4);
+ if (reg & 0x80000000) {
+ *divs = nv_rd32(therm, 0x0015f8);
+ *duty = (reg & 0x7fffffff);
+ return 0;
+ }
+ } else {
+ nv_error(therm, "unknown pwm ctrl for gpio %d\n", line);
+ return -ENODEV;
+ }
+
+ return -EINVAL;
+}
+
+int
+nv40_fan_pwm_set(struct nouveau_therm *therm, int line, u32 divs, u32 duty)
+{
+ if (line == 2) {
+ nv_wr32(therm, 0x0010f0, 0x80000000 | (duty << 16) | divs);
+ } else
+ if (line == 9) {
+ nv_wr32(therm, 0x0015f8, divs);
+ nv_wr32(therm, 0x0015f4, duty | 0x80000000);
+ } else {
+ nv_error(therm, "unknown pwm ctrl for gpio %d\n", line);
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static int
+nv40_therm_ctor(struct nouveau_object *parent,
+ struct nouveau_object *engine,
+ struct nouveau_oclass *oclass, void *data, u32 size,
+ struct nouveau_object **pobject)
+{
+ struct nouveau_therm_priv *priv;
+ struct nouveau_therm *therm;
+ int ret;
+
+ ret = nouveau_therm_create(parent, engine, oclass, &priv);
+ *pobject = nv_object(priv);
+ therm = (void *) priv;
+ if (ret)
+ return ret;
+
+ nouveau_therm_ic_ctor(therm);
+ nouveau_therm_sensor_ctor(therm);
+ nouveau_therm_fan_ctor(therm);
+
+ priv->fan.pwm_get = nv40_fan_pwm_get;
+ priv->fan.pwm_set = nv40_fan_pwm_set;
+
+ therm->temp_get = nv40_temp_get;
+ therm->fan_get = nouveau_therm_fan_user_get;
+ therm->fan_set = nouveau_therm_fan_user_set;
+ therm->fan_sense = nouveau_therm_fan_sense;
+ therm->attr_get = nouveau_therm_attr_get;
+ therm->attr_set = nouveau_therm_attr_set;
+
+ return 0;
+}
+
+struct nouveau_oclass
+nv40_therm_oclass = {
+ .handle = NV_SUBDEV(THERM, 0x40),
+ .ofuncs = &(struct nouveau_ofuncs) {
+ .ctor = nv40_therm_ctor,
+ .dtor = _nouveau_therm_dtor,
+ .init = nouveau_therm_init,
+ .fini = nouveau_therm_fini,
+ },
+}; \ No newline at end of file
diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/therm/nv50.c
new file mode 100644
index 0000000..f87a7a3
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/therm/nv50.c
@@ -0,0 +1,157 @@
+/*
+ * 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 nouveau_therm *therm, int *line, int *ctrl, int *indx)
+{
+ 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 {
+ nv_error(therm, "unknown pwm ctrl for gpio %d\n", *line);
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+int
+nv50_fan_pwm_get(struct nouveau_therm *therm, int line, u32 *divs, u32 *duty)
+{
+ int ctrl, id, ret = pwm_info(therm, &line, &ctrl, &id);
+ if (ret)
+ return ret;
+
+ if (nv_rd32(therm, ctrl) & (1 << line)) {
+ *divs = nv_rd32(therm, 0x00e114 + (id * 8));
+ *duty = nv_rd32(therm, 0x00e118 + (id * 8));
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
+int
+nv50_fan_pwm_set(struct nouveau_therm *therm, int line, u32 divs, u32 duty)
+{
+ int ctrl, id, ret = pwm_info(therm, &line, &ctrl, &id);
+ if (ret)
+ return ret;
+
+ nv_mask(therm, ctrl, 0x00010001 << line, 0x00000001 << line);
+ nv_wr32(therm, 0x00e114 + (id * 8), divs);
+ nv_wr32(therm, 0x00e118 + (id * 8), duty | 0x80000000);
+ return 0;
+}
+
+int
+nv50_fan_pwm_clock(struct nouveau_therm *therm)
+{
+ int chipset = nv_device(therm)->chipset;
+ int crystal = nv_device(therm)->crystal;
+ int pwm_clock;
+
+ /* determine the PWM source clock */
+ if (chipset > 0x50 && chipset < 0x94) {
+ u8 pwm_div = nv_rd32(therm, 0x410c);
+ if (nv_rd32(therm, 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 = (crystal * 1000) >> pwm_div;
+ pwm_clock /= 20;
+ }
+ } else {
+ pwm_clock = (crystal * 1000) / 20;
+ }
+
+ return pwm_clock;
+}
+
+int
+nv50_temp_get(struct nouveau_therm *therm)
+{
+ return nv_rd32(therm, 0x20400);
+}
+
+static int
+nv50_therm_ctor(struct nouveau_object *parent,
+ struct nouveau_object *engine,
+ struct nouveau_oclass *oclass, void *data, u32 size,
+ struct nouveau_object **pobject)
+{
+ struct nouveau_therm_priv *priv;
+ struct nouveau_therm *therm;
+ int ret;
+
+ ret = nouveau_therm_create(parent, engine, oclass, &priv);
+ *pobject = nv_object(priv);
+ therm = (void *) priv;
+ if (ret)
+ return ret;
+
+ nouveau_therm_ic_ctor(therm);
+ nouveau_therm_sensor_ctor(therm);
+ nouveau_therm_fan_ctor(therm);
+
+ priv->fan.pwm_get = nv50_fan_pwm_get;
+ priv->fan.pwm_set = nv50_fan_pwm_set;
+ priv->fan.pwm_clock = nv50_fan_pwm_clock;
+
+ therm->temp_get = nv50_temp_get;
+ therm->fan_get = nouveau_therm_fan_user_get;
+ therm->fan_set = nouveau_therm_fan_user_set;
+ therm->fan_sense = nouveau_therm_fan_sense;
+ therm->attr_get = nouveau_therm_attr_get;
+ therm->attr_set = nouveau_therm_attr_set;
+
+ return 0;
+}
+
+struct nouveau_oclass
+nv50_therm_oclass = {
+ .handle = NV_SUBDEV(THERM, 0x50),
+ .ofuncs = &(struct nouveau_ofuncs) {
+ .ctor = nv50_therm_ctor,
+ .dtor = _nouveau_therm_dtor,
+ .init = nouveau_therm_init,
+ .fini = nouveau_therm_fini,
+ },
+};
diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/priv.h b/drivers/gpu/drm/nouveau/core/subdev/therm/priv.h
new file mode 100644
index 0000000..1c3cd6a
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/therm/priv.h
@@ -0,0 +1,73 @@
+/*
+ * 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/extdev.h>
+#include <subdev/bios/perf.h>
+#include <subdev/bios/therm.h>
+
+struct nouveau_therm_priv {
+ struct nouveau_therm base;
+
+ /* bios */
+ struct nvbios_therm_sensor bios_sensor;
+ struct nvbios_therm_fan bios_fan;
+ struct nvbios_perf_fan bios_perf_fan;
+
+ /* fan priv */
+ struct {
+ enum nouveau_therm_fan_mode mode;
+ int percent;
+
+ int (*pwm_get)(struct nouveau_therm *, int line, u32*, u32*);
+ int (*pwm_set)(struct nouveau_therm *, int line, u32, u32);
+ int (*pwm_clock)(struct nouveau_therm *);
+ } fan;
+
+ /* ic */
+ struct i2c_client *ic;
+};
+
+int nouveau_therm_init(struct nouveau_object *object);
+int nouveau_therm_fini(struct nouveau_object *object, bool suspend);
+int nouveau_therm_attr_get(struct nouveau_therm *therm,
+ enum nouveau_therm_attr_type type);
+int nouveau_therm_attr_set(struct nouveau_therm *therm,
+ enum nouveau_therm_attr_type type, int value);
+
+void nouveau_therm_ic_ctor(struct nouveau_therm *therm);
+
+int nouveau_therm_sensor_ctor(struct nouveau_therm *therm);
+
+int nouveau_therm_fan_ctor(struct nouveau_therm *therm);
+int nouveau_therm_fan_get(struct nouveau_therm *therm);
+int nouveau_therm_fan_set(struct nouveau_therm *therm, int percent);
+int nouveau_therm_fan_user_get(struct nouveau_therm *therm);
+int nouveau_therm_fan_user_set(struct nouveau_therm *therm, int percent);
+int nouveau_therm_fan_set_mode(struct nouveau_therm *therm,
+ enum nouveau_therm_fan_mode mode);
+
+
+int nouveau_therm_fan_sense(struct nouveau_therm *therm);
diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c b/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c
new file mode 100644
index 0000000..2042823
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2012 The Nouveau community
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Martin Peres
+ */
+
+#include "priv.h"
+
+#include <core/object.h>
+#include <core/device.h>
+
+#include <subdev/bios.h>
+
+static void
+nouveau_therm_temp_set_defaults(struct nouveau_therm *therm)
+{
+ struct nouveau_therm_priv *priv = (void *)therm;
+
+ priv->bios_sensor.slope_mult = 1;
+ priv->bios_sensor.slope_div = 1;
+ priv->bios_sensor.offset_num = 0;
+ priv->bios_sensor.offset_den = 1;
+ priv->bios_sensor.offset_constant = 0;
+
+ priv->bios_sensor.thrs_fan_boost.temp = 90;
+ priv->bios_sensor.thrs_fan_boost.hysteresis = 3;
+
+ priv->bios_sensor.thrs_down_clock.temp = 95;
+ priv->bios_sensor.thrs_down_clock.hysteresis = 3;
+
+ priv->bios_sensor.thrs_critical.temp = 105;
+ priv->bios_sensor.thrs_critical.hysteresis = 5;
+
+ priv->bios_sensor.thrs_shutdown.temp = 135;
+ priv->bios_sensor.thrs_shutdown.hysteresis = 5; /*not that it matters */
+}
+
+
+static void
+nouveau_therm_temp_safety_checks(struct nouveau_therm *therm)
+{
+ struct nouveau_therm_priv *priv = (void *)therm;
+
+ if (!priv->bios_sensor.slope_div)
+ priv->bios_sensor.slope_div = 1;
+ if (!priv->bios_sensor.offset_den)
+ priv->bios_sensor.offset_den = 1;
+}
+
+int
+nouveau_therm_sensor_ctor(struct nouveau_therm *therm)
+{
+ struct nouveau_therm_priv *priv = (void *)therm;
+ struct nouveau_bios *bios = nouveau_bios(therm);
+
+ nouveau_therm_temp_set_defaults(therm);
+ if (nvbios_therm_sensor_parse(bios, NVBIOS_THERM_DOMAIN_CORE,
+ &priv->bios_sensor))
+ nv_error(therm, "nvbios_therm_sensor_parse failed\n");
+ nouveau_therm_temp_safety_checks(therm);
+
+ return 0;
+}
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