Pileus Git - ~andy/linux/blob - drivers/gpu/drm/nouveau/core/include/subdev/bios/therm.h

   1 #ifndef __NVBIOS_THERM_H__
   2 #define __NVBIOS_THERM_H__
   3
   4 struct nouveau_bios;
   5
   6 struct nvbios_therm_threshold {
   7         u8 temp;
   8         u8 hysteresis;
   9 };
  10
  11 struct nvbios_therm_sensor {
  12         /* diode */
  13         s16 slope_mult;
  14         s16 slope_div;
  15         s16 offset_num;
  16         s16 offset_den;
  17         s8 offset_constant;
  18
  19         /* thresholds */
  20         struct nvbios_therm_threshold thrs_fan_boost;
  21         struct nvbios_therm_threshold thrs_down_clock;
  22         struct nvbios_therm_threshold thrs_critical;
  23         struct nvbios_therm_threshold thrs_shutdown;
  24 };
  25
  26 /* no vbios have more than 6 */
  27 #define NOUVEAU_TEMP_FAN_TRIP_MAX 10
  28 struct nouveau_therm_trip_point {
  29         int fan_duty;
  30         int temp;
  31         int hysteresis;
  32 };
  33
  34 struct nvbios_therm_fan {
  35         u16 pwm_freq;
  36
  37         u8 min_duty;
  38         u8 max_duty;
  39
  40         u16 bump_period;
  41         u16 slow_down_period;
  42
  43         struct nouveau_therm_trip_point trip[NOUVEAU_TEMP_FAN_TRIP_MAX];
  44         u8 nr_fan_trip;
  45         u8 linear_min_temp;
  46         u8 linear_max_temp;
  47 };
  48
  49 enum nvbios_therm_domain {
  50         NVBIOS_THERM_DOMAIN_CORE,
  51         NVBIOS_THERM_DOMAIN_AMBIENT,
  52 };
  53
  54 int
  55 nvbios_therm_sensor_parse(struct nouveau_bios *, enum nvbios_therm_domain,
  56                           struct nvbios_therm_sensor *);
  57
  58 int
  59 nvbios_therm_fan_parse(struct nouveau_bios *, struct nvbios_therm_fan *);
  60
  61
  62 #endif