diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/therm/temp.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/therm/temp.c | 81 |
1 files changed, 81 insertions, 0 deletions
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 000000000000..204282301fb1 --- /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; +} |