LXR linux/drivers/gpu/drm/nouveau/include/nvkm/subdev/therm.h

   1#ifndef __NVKM_THERM_H__
   2#define __NVKM_THERM_H__
   3#include <core/subdev.h>
   4
   5#include <subdev/bios.h>
   6#include <subdev/bios/therm.h>
   7#include <subdev/timer.h>
   8
   9enum nvkm_therm_thrs_direction {
  10        NVKM_THERM_THRS_FALLING = 0,
  11        NVKM_THERM_THRS_RISING = 1
  12};
  13
  14enum nvkm_therm_thrs_state {
  15        NVKM_THERM_THRS_LOWER = 0,
  16        NVKM_THERM_THRS_HIGHER = 1
  17};
  18
  19enum nvkm_therm_thrs {
  20        NVKM_THERM_THRS_FANBOOST = 0,
  21        NVKM_THERM_THRS_DOWNCLOCK = 1,
  22        NVKM_THERM_THRS_CRITICAL = 2,
  23        NVKM_THERM_THRS_SHUTDOWN = 3,
  24        NVKM_THERM_THRS_NR
  25};
  26
  27enum nvkm_therm_fan_mode {
  28        NVKM_THERM_CTRL_NONE = 0,
  29        NVKM_THERM_CTRL_MANUAL = 1,
  30        NVKM_THERM_CTRL_AUTO = 2,
  31};
  32
  33enum nvkm_therm_attr_type {
  34        NVKM_THERM_ATTR_FAN_MIN_DUTY = 0,
  35        NVKM_THERM_ATTR_FAN_MAX_DUTY = 1,
  36        NVKM_THERM_ATTR_FAN_MODE = 2,
  37
  38        NVKM_THERM_ATTR_THRS_FAN_BOOST = 10,
  39        NVKM_THERM_ATTR_THRS_FAN_BOOST_HYST = 11,
  40        NVKM_THERM_ATTR_THRS_DOWN_CLK = 12,
  41        NVKM_THERM_ATTR_THRS_DOWN_CLK_HYST = 13,
  42        NVKM_THERM_ATTR_THRS_CRITICAL = 14,
  43        NVKM_THERM_ATTR_THRS_CRITICAL_HYST = 15,
  44        NVKM_THERM_ATTR_THRS_SHUTDOWN = 16,
  45        NVKM_THERM_ATTR_THRS_SHUTDOWN_HYST = 17,
  46};
  47
  48struct nvkm_therm {
  49        const struct nvkm_therm_func *func;
  50        struct nvkm_subdev subdev;
  51
  52        /* automatic thermal management */
  53        struct nvkm_alarm alarm;
  54        spinlock_t lock;
  55        struct nvbios_therm_trip_point *last_trip;
  56        int mode;
  57        int cstate;
  58        int suspend;
  59
  60        /* bios */
  61        struct nvbios_therm_sensor bios_sensor;
  62
  63        /* fan priv */
  64        struct nvkm_fan *fan;
  65
  66        /* alarms priv */
  67        struct {
  68                spinlock_t alarm_program_lock;
  69                struct nvkm_alarm therm_poll_alarm;
  70                enum nvkm_therm_thrs_state alarm_state[NVKM_THERM_THRS_NR];
  71        } sensor;
  72
  73        /* what should be done if the card overheats */
  74        struct {
  75                void (*downclock)(struct nvkm_therm *, bool active);
  76                void (*pause)(struct nvkm_therm *, bool active);
  77        } emergency;
  78
  79        /* ic */
  80        struct i2c_client *ic;
  81
  82        int (*fan_get)(struct nvkm_therm *);
  83        int (*fan_set)(struct nvkm_therm *, int);
  84
  85        int (*attr_get)(struct nvkm_therm *, enum nvkm_therm_attr_type);
  86        int (*attr_set)(struct nvkm_therm *, enum nvkm_therm_attr_type, int);
  87};
  88
  89int nvkm_therm_temp_get(struct nvkm_therm *);
  90int nvkm_therm_fan_sense(struct nvkm_therm *);
  91int nvkm_therm_cstate(struct nvkm_therm *, int, int);
  92
  93int nv40_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
  94int nv50_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
  95int g84_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
  96int gt215_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
  97int gf119_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
  98int gm107_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
  99#endif
 100