Release 4.17 drivers/gpu/drm/nouveau/include/nvkm/subdev/therm.h
/* SPDX-License-Identifier: GPL-2.0 */
#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 *, int, struct nvkm_therm **);
int nv50_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
int g84_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
int gt215_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
int gf119_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
int gk104_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
int gm107_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
int gm200_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
int gp100_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
#endif
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