1#ifndef __NVTHERM_PRIV_H__
2#define __NVTHERM_PRIV_H__
3/*
4 * Copyright 2012 The Nouveau community
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Martin Peres
25 */
26#include <subdev/therm.h>
27#include <subdev/bios.h>
28#include <subdev/bios/extdev.h>
29#include <subdev/bios/gpio.h>
30#include <subdev/bios/perf.h>
31#include <subdev/bios/therm.h>
32#include <subdev/timer.h>
33
34struct nvkm_fan {
35	struct nvkm_therm *parent;
36	const char *type;
37
38	struct nvbios_therm_fan bios;
39	struct nvbios_perf_fan perf;
40
41	struct nvkm_alarm alarm;
42	spinlock_t lock;
43	int percent;
44
45	int (*get)(struct nvkm_therm *);
46	int (*set)(struct nvkm_therm *, int percent);
47
48	struct dcb_gpio_func tach;
49};
50
51enum nvkm_therm_thrs_direction {
52	NVKM_THERM_THRS_FALLING = 0,
53	NVKM_THERM_THRS_RISING = 1
54};
55
56enum nvkm_therm_thrs_state {
57	NVKM_THERM_THRS_LOWER = 0,
58	NVKM_THERM_THRS_HIGHER = 1
59};
60
61enum nvkm_therm_thrs {
62	NVKM_THERM_THRS_FANBOOST = 0,
63	NVKM_THERM_THRS_DOWNCLOCK = 1,
64	NVKM_THERM_THRS_CRITICAL = 2,
65	NVKM_THERM_THRS_SHUTDOWN = 3,
66	NVKM_THERM_THRS_NR
67};
68
69struct nvkm_therm_priv {
70	struct nvkm_therm base;
71
72	/* automatic thermal management */
73	struct nvkm_alarm alarm;
74	spinlock_t lock;
75	struct nvbios_therm_trip_point *last_trip;
76	int mode;
77	int cstate;
78	int suspend;
79
80	/* bios */
81	struct nvbios_therm_sensor bios_sensor;
82
83	/* fan priv */
84	struct nvkm_fan *fan;
85
86	/* alarms priv */
87	struct {
88		spinlock_t alarm_program_lock;
89		struct nvkm_alarm therm_poll_alarm;
90		enum nvkm_therm_thrs_state alarm_state[NVKM_THERM_THRS_NR];
91		void (*program_alarms)(struct nvkm_therm *);
92	} sensor;
93
94	/* what should be done if the card overheats */
95	struct {
96		void (*downclock)(struct nvkm_therm *, bool active);
97		void (*pause)(struct nvkm_therm *, bool active);
98	} emergency;
99
100	/* ic */
101	struct i2c_client *ic;
102};
103
104int nvkm_therm_fan_mode(struct nvkm_therm *, int mode);
105int nvkm_therm_attr_get(struct nvkm_therm *, enum nvkm_therm_attr_type);
106int nvkm_therm_attr_set(struct nvkm_therm *, enum nvkm_therm_attr_type, int);
107
108void nvkm_therm_ic_ctor(struct nvkm_therm *);
109
110int nvkm_therm_sensor_ctor(struct nvkm_therm *);
111
112int nvkm_therm_fan_ctor(struct nvkm_therm *);
113int nvkm_therm_fan_init(struct nvkm_therm *);
114int nvkm_therm_fan_fini(struct nvkm_therm *, bool suspend);
115int nvkm_therm_fan_get(struct nvkm_therm *);
116int nvkm_therm_fan_set(struct nvkm_therm *, bool now, int percent);
117int nvkm_therm_fan_user_get(struct nvkm_therm *);
118int nvkm_therm_fan_user_set(struct nvkm_therm *, int percent);
119
120int nvkm_therm_fan_sense(struct nvkm_therm *);
121
122int nvkm_therm_preinit(struct nvkm_therm *);
123
124int  nvkm_therm_sensor_init(struct nvkm_therm *);
125int  nvkm_therm_sensor_fini(struct nvkm_therm *, bool suspend);
126void nvkm_therm_sensor_preinit(struct nvkm_therm *);
127void nvkm_therm_sensor_set_threshold_state(struct nvkm_therm *,
128					   enum nvkm_therm_thrs,
129					   enum nvkm_therm_thrs_state);
130enum nvkm_therm_thrs_state
131nvkm_therm_sensor_get_threshold_state(struct nvkm_therm *,
132				      enum nvkm_therm_thrs);
133void nvkm_therm_sensor_event(struct nvkm_therm *, enum nvkm_therm_thrs,
134			     enum nvkm_therm_thrs_direction);
135void nvkm_therm_program_alarms_polling(struct nvkm_therm *);
136
137void nv40_therm_intr(struct nvkm_subdev *);
138int  nv50_fan_pwm_ctrl(struct nvkm_therm *, int, bool);
139int  nv50_fan_pwm_get(struct nvkm_therm *, int, u32 *, u32 *);
140int  nv50_fan_pwm_set(struct nvkm_therm *, int, u32, u32);
141int  nv50_fan_pwm_clock(struct nvkm_therm *, int);
142int  g84_temp_get(struct nvkm_therm *);
143void g84_sensor_setup(struct nvkm_therm *);
144int  g84_therm_fini(struct nvkm_object *, bool suspend);
145
146int gt215_therm_fan_sense(struct nvkm_therm *);
147
148int gf110_therm_init(struct nvkm_object *);
149
150int nvkm_fanpwm_create(struct nvkm_therm *, struct dcb_gpio_func *);
151int nvkm_fantog_create(struct nvkm_therm *, struct dcb_gpio_func *);
152int nvkm_fannil_create(struct nvkm_therm *);
153#endif
154