1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* OMAP thermal definitions
*
* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
* Contact:
* Eduardo Valentin <eduardo.valentin@ti.com>
*/
#ifndef __TI_THERMAL_H
#define __TI_THERMAL_H
#include "ti-bandgap.h"
/* PCB sensor calculation constants */
#define OMAP_GRADIENT_SLOPE_W_PCB_4430 0
#define OMAP_GRADIENT_CONST_W_PCB_4430 20000
#define OMAP_GRADIENT_SLOPE_W_PCB_4460 1142
#define OMAP_GRADIENT_CONST_W_PCB_4460 -393
#define OMAP_GRADIENT_SLOPE_W_PCB_4470 1063
#define OMAP_GRADIENT_CONST_W_PCB_4470 -477
#define OMAP_GRADIENT_SLOPE_W_PCB_5430_CPU 100
#define OMAP_GRADIENT_CONST_W_PCB_5430_CPU 484
#define OMAP_GRADIENT_SLOPE_W_PCB_5430_GPU 464
#define OMAP_GRADIENT_CONST_W_PCB_5430_GPU -5102
#define DRA752_GRADIENT_SLOPE_W_PCB 0
#define DRA752_GRADIENT_CONST_W_PCB 2000
/* trip points of interest in milicelsius (at hotspot level) */
#define OMAP_TRIP_COLD 100000
#define OMAP_TRIP_HOT 110000
#define OMAP_TRIP_SHUTDOWN 125000
#define OMAP_TRIP_NUMBER 2
#define OMAP_TRIP_STEP \
((OMAP_TRIP_SHUTDOWN - OMAP_TRIP_HOT) / (OMAP_TRIP_NUMBER - 1))
/* Update rates */
#define FAST_TEMP_MONITORING_RATE 250
/* helper macros */
/**
* ti_thermal_get_trip_value - returns trip temperature based on index
* @i: trip index
*/
#define ti_thermal_get_trip_value(i) \
(OMAP_TRIP_HOT + ((i) * OMAP_TRIP_STEP))
/**
* ti_thermal_is_valid_trip - check for trip index
* @i: trip index
*/
#define ti_thermal_is_valid_trip(trip) \
((trip) >= 0 && (trip) < OMAP_TRIP_NUMBER)
#ifdef CONFIG_TI_THERMAL
int ti_thermal_expose_sensor(struct ti_bandgap *bgp, int id, char *domain);
int ti_thermal_remove_sensor(struct ti_bandgap *bgp, int id);
int ti_thermal_report_sensor_temperature(struct ti_bandgap *bgp, int id);
int ti_thermal_register_cpu_cooling(struct ti_bandgap *bgp, int id);
int ti_thermal_unregister_cpu_cooling(struct ti_bandgap *bgp, int id);
#else
static inline
int ti_thermal_expose_sensor(struct ti_bandgap *bgp, int id, char *domain)
{
return 0;
}
static inline
int ti_thermal_remove_sensor(struct ti_bandgap *bgp, int id)
{
return 0;
}
static inline
int ti_thermal_report_sensor_temperature(struct ti_bandgap *bgp, int id)
{
return 0;
}
static inline
int ti_thermal_register_cpu_cooling(struct ti_bandgap *bgp, int id)
{
return 0;
}
static inline
int ti_thermal_unregister_cpu_cooling(struct ti_bandgap *bgp, int id)
{
return 0;
}
#endif
#endif
|
