2 * exynos_thermal_common.h - Samsung EXYNOS common header file
4 * Copyright (C) 2013 Samsung Electronics
5 * Amit Daniel Kachhap <amit.daniel@samsung.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #ifndef _EXYNOS_THERMAL_COMMON_H
24 #define _EXYNOS_THERMAL_COMMON_H
26 /* In-kernel thermal framework related macros & definations */
27 #define SENSOR_NAME_LEN 16
28 #define MAX_TRIP_COUNT 8
29 #define MAX_COOLING_DEVICE 4
30 #define MAX_THRESHOLD_LEVS 4
32 #define ACTIVE_INTERVAL 500
33 #define IDLE_INTERVAL 10000
36 /* CPU Zone information */
39 #define MONITOR_ZONE 2
42 #define GET_ZONE(trip) (trip + 2)
43 #define GET_TRIP(zone) (zone - 2)
45 #define EXYNOS_ZONE_COUNT 3
55 * struct freq_clip_table
56 * @freq_clip_max: maximum frequency allowed for this cooling state.
57 * @temp_level: Temperature level at which the temperature clipping will
59 * @mask_val: cpumask of the allowed cpu's where the clipping will take place.
61 * This structure is required to be filled and passed to the
62 * cpufreq_cooling_unregister function.
64 struct freq_clip_table {
65 unsigned int freq_clip_max;
66 unsigned int temp_level;
67 const struct cpumask *mask_val;
70 struct thermal_trip_point_conf {
71 int trip_val[MAX_TRIP_COUNT];
73 unsigned char trigger_falling;
76 struct thermal_cooling_conf {
77 struct freq_clip_table freq_data[MAX_TRIP_COUNT];
81 struct thermal_sensor_conf {
82 char name[SENSOR_NAME_LEN];
83 int (*read_temperature)(void *data);
84 int (*write_emul_temp)(void *drv_data, unsigned long temp);
85 struct thermal_trip_point_conf trip_data;
86 struct thermal_cooling_conf cooling_data;
90 /*Functions used exynos based thermal sensor driver*/
91 #ifdef CONFIG_EXYNOS_THERMAL_CORE
92 void exynos_unregister_thermal(void);
93 int exynos_register_thermal(struct thermal_sensor_conf *sensor_conf);
94 void exynos_report_trigger(void);
97 exynos_unregister_thermal(void) { return; }
100 exynos_register_thermal(struct thermal_sensor_conf *sensor_conf) { return 0; }
103 exynos_report_trigger(void) { return; }
105 #endif /* CONFIG_EXYNOS_THERMAL_CORE */
106 #endif /* _EXYNOS_THERMAL_COMMON_H */