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 
34 struct 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 
51 enum nvkm_therm_thrs_direction {
52 	NVKM_THERM_THRS_FALLING = 0,
53 	NVKM_THERM_THRS_RISING = 1
54 };
55 
56 enum nvkm_therm_thrs_state {
57 	NVKM_THERM_THRS_LOWER = 0,
58 	NVKM_THERM_THRS_HIGHER = 1
59 };
60 
61 enum 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 
69 struct 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 
104 int nvkm_therm_fan_mode(struct nvkm_therm *, int mode);
105 int nvkm_therm_attr_get(struct nvkm_therm *, enum nvkm_therm_attr_type);
106 int nvkm_therm_attr_set(struct nvkm_therm *, enum nvkm_therm_attr_type, int);
107 
108 void nvkm_therm_ic_ctor(struct nvkm_therm *);
109 
110 int nvkm_therm_sensor_ctor(struct nvkm_therm *);
111 
112 int nvkm_therm_fan_ctor(struct nvkm_therm *);
113 int nvkm_therm_fan_init(struct nvkm_therm *);
114 int nvkm_therm_fan_fini(struct nvkm_therm *, bool suspend);
115 int nvkm_therm_fan_get(struct nvkm_therm *);
116 int nvkm_therm_fan_set(struct nvkm_therm *, bool now, int percent);
117 int nvkm_therm_fan_user_get(struct nvkm_therm *);
118 int nvkm_therm_fan_user_set(struct nvkm_therm *, int percent);
119 
120 int nvkm_therm_fan_sense(struct nvkm_therm *);
121 
122 int nvkm_therm_preinit(struct nvkm_therm *);
123 
124 int  nvkm_therm_sensor_init(struct nvkm_therm *);
125 int  nvkm_therm_sensor_fini(struct nvkm_therm *, bool suspend);
126 void nvkm_therm_sensor_preinit(struct nvkm_therm *);
127 void nvkm_therm_sensor_set_threshold_state(struct nvkm_therm *,
128 					   enum nvkm_therm_thrs,
129 					   enum nvkm_therm_thrs_state);
130 enum nvkm_therm_thrs_state
131 nvkm_therm_sensor_get_threshold_state(struct nvkm_therm *,
132 				      enum nvkm_therm_thrs);
133 void nvkm_therm_sensor_event(struct nvkm_therm *, enum nvkm_therm_thrs,
134 			     enum nvkm_therm_thrs_direction);
135 void nvkm_therm_program_alarms_polling(struct nvkm_therm *);
136 
137 void nv40_therm_intr(struct nvkm_subdev *);
138 int  nv50_fan_pwm_ctrl(struct nvkm_therm *, int, bool);
139 int  nv50_fan_pwm_get(struct nvkm_therm *, int, u32 *, u32 *);
140 int  nv50_fan_pwm_set(struct nvkm_therm *, int, u32, u32);
141 int  nv50_fan_pwm_clock(struct nvkm_therm *, int);
142 int  g84_temp_get(struct nvkm_therm *);
143 void g84_sensor_setup(struct nvkm_therm *);
144 int  g84_therm_fini(struct nvkm_object *, bool suspend);
145 
146 int gt215_therm_fan_sense(struct nvkm_therm *);
147 
148 int gf110_therm_init(struct nvkm_object *);
149 
150 int nvkm_fanpwm_create(struct nvkm_therm *, struct dcb_gpio_func *);
151 int nvkm_fantog_create(struct nvkm_therm *, struct dcb_gpio_func *);
152 int nvkm_fannil_create(struct nvkm_therm *);
153 #endif
154