| /* |
| * exynos_thermal_common.h - Samsung EXYNOS common header file |
| * |
| * Copyright (C) 2013 Samsung Electronics |
| * Amit Daniel Kachhap <amit.daniel@samsung.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| |
| #ifndef _EXYNOS_THERMAL_COMMON_H |
| #define _EXYNOS_THERMAL_COMMON_H |
| |
| /* In-kernel thermal framework related macros & definations */ |
| #define SENSOR_NAME_LEN 16 |
| #define MAX_TRIP_COUNT 8 |
| #define MAX_COOLING_DEVICE 4 |
| #define MAX_THRESHOLD_LEVS 5 |
| |
| #define ACTIVE_INTERVAL 500 |
| #define IDLE_INTERVAL 10000 |
| #define MCELSIUS 1000 |
| |
| /* CPU Zone information */ |
| #define PANIC_ZONE 4 |
| #define WARN_ZONE 3 |
| #define MONITOR_ZONE 2 |
| #define SAFE_ZONE 1 |
| |
| #define GET_ZONE(trip) (trip + 2) |
| #define GET_TRIP(zone) (zone - 2) |
| |
| enum trigger_type { |
| THROTTLE_ACTIVE = 1, |
| THROTTLE_PASSIVE, |
| SW_TRIP, |
| HW_TRIP, |
| }; |
| |
| /** |
| * struct freq_clip_table |
| * @freq_clip_max: maximum frequency allowed for this cooling state. |
| * @temp_level: Temperature level at which the temperature clipping will |
| * happen. |
| * @mask_val: cpumask of the allowed cpu's where the clipping will take place. |
| * |
| * This structure is required to be filled and passed to the |
| * cpufreq_cooling_unregister function. |
| */ |
| struct freq_clip_table { |
| unsigned int freq_clip_max; |
| unsigned int temp_level; |
| const struct cpumask *mask_val; |
| }; |
| |
| struct thermal_trip_point_conf { |
| int trip_val[MAX_TRIP_COUNT]; |
| int trip_type[MAX_TRIP_COUNT]; |
| int trip_count; |
| unsigned char trigger_falling; |
| }; |
| |
| struct thermal_cooling_conf { |
| struct freq_clip_table freq_data[MAX_TRIP_COUNT]; |
| int freq_clip_count; |
| }; |
| |
| struct thermal_sensor_conf { |
| char name[SENSOR_NAME_LEN]; |
| int (*read_temperature)(void *data); |
| int (*write_emul_temp)(void *drv_data, unsigned long temp); |
| struct thermal_trip_point_conf trip_data; |
| struct thermal_cooling_conf cooling_data; |
| void *driver_data; |
| void *pzone_data; |
| struct device *dev; |
| }; |
| |
| /*Functions used exynos based thermal sensor driver*/ |
| #ifdef CONFIG_EXYNOS_THERMAL_CORE |
| void exynos_unregister_thermal(struct thermal_sensor_conf *sensor_conf); |
| int exynos_register_thermal(struct thermal_sensor_conf *sensor_conf); |
| void exynos_report_trigger(struct thermal_sensor_conf *sensor_conf); |
| #else |
| static inline void |
| exynos_unregister_thermal(struct thermal_sensor_conf *sensor_conf) { return; } |
| |
| static inline int |
| exynos_register_thermal(struct thermal_sensor_conf *sensor_conf) { return 0; } |
| |
| static inline void |
| exynos_report_trigger(struct thermal_sensor_conf *sensor_conf) { return; } |
| |
| #endif /* CONFIG_EXYNOS_THERMAL_CORE */ |
| #endif /* _EXYNOS_THERMAL_COMMON_H */ |