Quelle  therm.h   Sprache: C

/* SPDX-License-Identifier: MIT */
#ifndef __NVKM_THERM_H__
#define __NVKM_THERM_H__
#include <core/subdev.h>

#include <subdev/bios.h>
#include <subdev/bios/therm.h>
#include <subdev/timer.h>

enum nvkm_therm_thrs_direction {
 NVKM_THERM_THRS_FALLING = 0,
 NVKM_THERM_THRS_RISING = 1
};

enum nvkm_therm_thrs_state {
 NVKM_THERM_THRS_LOWER = 0,
 NVKM_THERM_THRS_HIGHER = 1
};

enum nvkm_therm_thrs {
 NVKM_THERM_THRS_FANBOOST = 0,
 NVKM_THERM_THRS_DOWNCLOCK = 1,
 NVKM_THERM_THRS_CRITICAL = 2,
 NVKM_THERM_THRS_SHUTDOWN = 3,
 NVKM_THERM_THRS_NR
};

enum nvkm_therm_fan_mode {
 NVKM_THERM_CTRL_NONE = 0,
 NVKM_THERM_CTRL_MANUAL = 1,
 NVKM_THERM_CTRL_AUTO = 2,
};

enum nvkm_therm_attr_type {
 NVKM_THERM_ATTR_FAN_MIN_DUTY = 0,
 NVKM_THERM_ATTR_FAN_MAX_DUTY = 1,
 NVKM_THERM_ATTR_FAN_MODE = 2,

 NVKM_THERM_ATTR_THRS_FAN_BOOST = 10,
 NVKM_THERM_ATTR_THRS_FAN_BOOST_HYST = 11,
 NVKM_THERM_ATTR_THRS_DOWN_CLK = 12,
 NVKM_THERM_ATTR_THRS_DOWN_CLK_HYST = 13,
 NVKM_THERM_ATTR_THRS_CRITICAL = 14,
 NVKM_THERM_ATTR_THRS_CRITICAL_HYST = 15,
 NVKM_THERM_ATTR_THRS_SHUTDOWN = 16,
 NVKM_THERM_ATTR_THRS_SHUTDOWN_HYST = 17,
};

struct nvkm_therm_clkgate_init {
 u32 addr;
 u8  count;
 u32 data;
};

struct nvkm_therm_clkgate_pack {
 const struct nvkm_therm_clkgate_init *init;
};

struct nvkm_therm {
 const struct nvkm_therm_func *func;
 struct nvkm_subdev subdev;

 /* automatic thermal management */
 struct nvkm_alarm alarm;
 spinlock_t lock;
 struct nvbios_therm_trip_point *last_trip;
 int mode;
 int cstate;
 int suspend;

 /* bios */
 struct nvbios_therm_sensor bios_sensor;

 /* fan priv */
 struct nvkm_fan *fan;

 /* alarms priv */
 struct {
  spinlock_t alarm_program_lock;
  struct nvkm_alarm therm_poll_alarm;
  enum nvkm_therm_thrs_state alarm_state[NVKM_THERM_THRS_NR];
 } sensor;

 /* what should be done if the card overheats */
 struct {
  void (*downclock)(struct nvkm_therm *, bool active);
  void (*pause)(struct nvkm_therm *, bool active);
 } emergency;

 /* ic */
 struct i2c_client *ic;

 int (*fan_get)(struct nvkm_therm *);
 int (*fan_set)(struct nvkm_therm *, int);

 int (*attr_get)(struct nvkm_therm *, enum nvkm_therm_attr_type);
 int (*attr_set)(struct nvkm_therm *, enum nvkm_therm_attr_type, int);

 bool clkgating_enabled;
};

int nvkm_therm_temp_get(struct nvkm_therm *);
int nvkm_therm_fan_sense(struct nvkm_therm *);
int nvkm_therm_cstate(struct nvkm_therm *, int, int);
void nvkm_therm_clkgate_init(struct nvkm_therm *,
        const struct nvkm_therm_clkgate_pack *);
void nvkm_therm_clkgate_enable(struct nvkm_therm *);
void nvkm_therm_clkgate_fini(struct nvkm_therm *, bool);

int nv40_therm_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_therm **);
int nv50_therm_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_therm **);
int g84_therm_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_therm **);
int gt215_therm_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_therm **);
int gf119_therm_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_therm **);
int gk104_therm_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_therm **);
int gm107_therm_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_therm **);
int gm200_therm_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_therm **);
int gp100_therm_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_therm **);
#endif