summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/nouveau/nouveau_temp.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_temp.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_temp.c331
1 files changed, 0 insertions, 331 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_temp.c b/drivers/gpu/drm/nouveau/nouveau_temp.c
deleted file mode 100644
index 1ad411dcc57..00000000000
--- a/drivers/gpu/drm/nouveau/nouveau_temp.c
+++ /dev/null
@@ -1,331 +0,0 @@
-/*
- * Copyright 2010 PathScale 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: Martin Peres
- */
-
-#include <linux/module.h>
-
-#include <drm/drmP.h>
-
-#include "nouveau_drv.h"
-#include "nouveau_pm.h"
-
-static void
-nouveau_temp_vbios_parse(struct drm_device *dev, u8 *temp)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_pm_engine *pm = &dev_priv->engine.pm;
- struct nouveau_pm_temp_sensor_constants *sensor = &pm->sensor_constants;
- struct nouveau_pm_threshold_temp *temps = &pm->threshold_temp;
- int i, headerlen, recordlen, entries;
-
- if (!temp) {
- NV_DEBUG(dev, "temperature table pointer invalid\n");
- return;
- }
-
- /* Set the default sensor's contants */
- sensor->offset_constant = 0;
- sensor->offset_mult = 0;
- sensor->offset_div = 1;
- sensor->slope_mult = 1;
- sensor->slope_div = 1;
-
- /* Set the default temperature thresholds */
- temps->critical = 110;
- temps->down_clock = 100;
- temps->fan_boost = 90;
-
- /* Set the default range for the pwm fan */
- pm->fan.min_duty = 30;
- pm->fan.max_duty = 100;
-
- /* Set the known default values to setup the temperature sensor */
- if (dev_priv->card_type >= NV_40) {
- switch (dev_priv->chipset) {
- case 0x43:
- sensor->offset_mult = 32060;
- sensor->offset_div = 1000;
- sensor->slope_mult = 792;
- sensor->slope_div = 1000;
- break;
-
- case 0x44:
- case 0x47:
- case 0x4a:
- sensor->offset_mult = 27839;
- sensor->offset_div = 1000;
- sensor->slope_mult = 780;
- sensor->slope_div = 1000;
- break;
-
- case 0x46:
- sensor->offset_mult = -24775;
- sensor->offset_div = 100;
- sensor->slope_mult = 467;
- sensor->slope_div = 10000;
- break;
-
- case 0x49:
- sensor->offset_mult = -25051;
- sensor->offset_div = 100;
- sensor->slope_mult = 458;
- sensor->slope_div = 10000;
- break;
-
- case 0x4b:
- sensor->offset_mult = -24088;
- sensor->offset_div = 100;
- sensor->slope_mult = 442;
- sensor->slope_div = 10000;
- break;
-
- case 0x50:
- sensor->offset_mult = -22749;
- sensor->offset_div = 100;
- sensor->slope_mult = 431;
- sensor->slope_div = 10000;
- break;
-
- case 0x67:
- sensor->offset_mult = -26149;
- sensor->offset_div = 100;
- sensor->slope_mult = 484;
- sensor->slope_div = 10000;
- break;
- }
- }
-
- headerlen = temp[1];
- recordlen = temp[2];
- entries = temp[3];
- temp = temp + headerlen;
-
- /* Read the entries from the table */
- for (i = 0; i < entries; i++) {
- s16 value = ROM16(temp[1]);
-
- switch (temp[0]) {
- case 0x01:
- if ((value & 0x8f) == 0)
- sensor->offset_constant = (value >> 9) & 0x7f;
- break;
-
- case 0x04:
- if ((value & 0xf00f) == 0xa000) /* core */
- temps->critical = (value&0x0ff0) >> 4;
- break;
-
- case 0x07:
- if ((value & 0xf00f) == 0xa000) /* core */
- temps->down_clock = (value&0x0ff0) >> 4;
- break;
-
- case 0x08:
- if ((value & 0xf00f) == 0xa000) /* core */
- temps->fan_boost = (value&0x0ff0) >> 4;
- break;
-
- case 0x10:
- sensor->offset_mult = value;
- break;
-
- case 0x11:
- sensor->offset_div = value;
- break;
-
- case 0x12:
- sensor->slope_mult = value;
- break;
-
- case 0x13:
- sensor->slope_div = value;
- break;
- case 0x22:
- pm->fan.min_duty = value & 0xff;
- pm->fan.max_duty = (value & 0xff00) >> 8;
- break;
- case 0x26:
- pm->fan.pwm_freq = value;
- break;
- }
- temp += recordlen;
- }
-
- nouveau_temp_safety_checks(dev);
-
- /* check the fan min/max settings */
- if (pm->fan.min_duty < 10)
- pm->fan.min_duty = 10;
- if (pm->fan.max_duty > 100)
- pm->fan.max_duty = 100;
- if (pm->fan.max_duty < pm->fan.min_duty)
- pm->fan.max_duty = pm->fan.min_duty;
-}
-
-static int
-nv40_sensor_setup(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_pm_engine *pm = &dev_priv->engine.pm;
- struct nouveau_pm_temp_sensor_constants *sensor = &pm->sensor_constants;
- s32 offset = sensor->offset_mult / sensor->offset_div;
- s32 sensor_calibration;
-
- /* set up the sensors */
- sensor_calibration = 120 - offset - sensor->offset_constant;
- sensor_calibration = sensor_calibration * sensor->slope_div /
- sensor->slope_mult;
-
- if (dev_priv->chipset >= 0x46)
- sensor_calibration |= 0x80000000;
- else
- sensor_calibration |= 0x10000000;
-
- nv_wr32(dev, 0x0015b0, sensor_calibration);
-
- /* Wait for the sensor to update */
- msleep(5);
-
- /* read */
- return nv_rd32(dev, 0x0015b4) & 0x1fff;
-}
-
-int
-nv40_temp_get(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_pm_engine *pm = &dev_priv->engine.pm;
- struct nouveau_pm_temp_sensor_constants *sensor = &pm->sensor_constants;
- int offset = sensor->offset_mult / sensor->offset_div;
- int core_temp;
-
- if (dev_priv->card_type >= NV_50) {
- core_temp = nv_rd32(dev, 0x20008);
- } else {
- core_temp = nv_rd32(dev, 0x0015b4) & 0x1fff;
- /* Setup the sensor if the temperature is 0 */
- if (core_temp == 0)
- core_temp = nv40_sensor_setup(dev);
- }
-
- core_temp = core_temp * sensor->slope_mult / sensor->slope_div;
- core_temp = core_temp + offset + sensor->offset_constant;
-
- return core_temp;
-}
-
-int
-nv84_temp_get(struct drm_device *dev)
-{
- return nv_rd32(dev, 0x20400);
-}
-
-void
-nouveau_temp_safety_checks(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_pm_engine *pm = &dev_priv->engine.pm;
- struct nouveau_pm_threshold_temp *temps = &pm->threshold_temp;
-
- if (temps->critical > 120)
- temps->critical = 120;
- else if (temps->critical < 80)
- temps->critical = 80;
-
- if (temps->down_clock > 110)
- temps->down_clock = 110;
- else if (temps->down_clock < 60)
- temps->down_clock = 60;
-
- if (temps->fan_boost > 100)
- temps->fan_boost = 100;
- else if (temps->fan_boost < 40)
- temps->fan_boost = 40;
-}
-
-static bool
-probe_monitoring_device(struct nouveau_i2c_chan *i2c,
- struct i2c_board_info *info)
-{
- 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;
- }
-
- return true;
-}
-
-static void
-nouveau_temp_probe_i2c(struct drm_device *dev)
-{
- struct i2c_board_info info[] = {
- { I2C_BOARD_INFO("w83l785ts", 0x2d) },
- { I2C_BOARD_INFO("w83781d", 0x2d) },
- { I2C_BOARD_INFO("adt7473", 0x2e) },
- { I2C_BOARD_INFO("f75375", 0x2e) },
- { I2C_BOARD_INFO("lm99", 0x4c) },
- { }
- };
-
- nouveau_i2c_identify(dev, "monitoring device", info,
- probe_monitoring_device, NV_I2C_DEFAULT(0));
-}
-
-void
-nouveau_temp_init(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nvbios *bios = &dev_priv->vbios;
- struct bit_entry P;
- u8 *temp = NULL;
-
- if (bios->type == NVBIOS_BIT) {
- if (bit_table(dev, 'P', &P))
- return;
-
- if (P.version == 1)
- temp = ROMPTR(dev, P.data[12]);
- else if (P.version == 2)
- temp = ROMPTR(dev, P.data[16]);
- else
- NV_WARN(dev, "unknown temp for BIT P %d\n", P.version);
-
- nouveau_temp_vbios_parse(dev, temp);
- }
-
- nouveau_temp_probe_i2c(dev);
-}
-
-void
-nouveau_temp_fini(struct drm_device *dev)
-{
-
-}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-28 19:26:54 +0000