diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_temp.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_temp.c | 331 |
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 1ad411dcc57a..000000000000 --- 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) -{ - -} |