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
   9 enum nvkm_therm_thrs_direction {
  10         NVKM_THERM_THRS_FALLING = 0,
  11         NVKM_THERM_THRS_RISING = 1
  12 };
  13
  14 enum nvkm_therm_thrs_state {
  15         NVKM_THERM_THRS_LOWER = 0,
  16         NVKM_THERM_THRS_HIGHER = 1
  17 };
  18
  19 enum 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
  27 enum nvkm_therm_fan_mode {
  28         NVKM_THERM_CTRL_NONE = 0,
  29         NVKM_THERM_CTRL_MANUAL = 1,
  30         NVKM_THERM_CTRL_AUTO = 2,
  31 };
  32
  33 enum 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
  48 struct 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
  89 int nvkm_therm_temp_get(struct nvkm_therm *);
  90 int nvkm_therm_fan_sense(struct nvkm_therm *);
  91 int nvkm_therm_cstate(struct nvkm_therm *, int, int);
  92
  93 int nv40_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
  94 int nv50_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
  95 int g84_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
  96 int gt215_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
  97 int gf119_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
  98 int gm107_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
  99 int gm200_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
 100 #endif