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