| /* |
| * 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; |
| } |