diff options
Diffstat (limited to 'include/linux/exynos_thermal.h')
-rw-r--r-- | include/linux/exynos_thermal.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/include/linux/exynos_thermal.h b/include/linux/exynos_thermal.h new file mode 100644 index 0000000..de7195b --- /dev/null +++ b/include/linux/exynos_thermal.h @@ -0,0 +1,59 @@ +/* linux/include/linux/exynos_thermal.h + * + * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef THERMAL_INTERFACE_H +#define THERMAL_INTERFACE_H +/* CPU Zone information */ + +#define SENSOR_NAME_LEN 16 + +#define PANIC_ZONE 4 +#define WARN_ZONE 3 +#define MONITOR_ZONE 2 +#define SAFE_ZONE 1 +#define NO_ACTION 0 + +/** + * struct exynos4_tmu_platform_data + * @name: name of the temperature sensor + * @read_temperature: A function pointer to read temperature info + * @private_data: Temperature sensor private data + * @sensor_data: Sensor specific information like trigger temperature, level + */ +struct thermal_sensor_conf { + char name[SENSOR_NAME_LEN]; + int (*read_temperature)(void *data); + void *private_data; + void *sensor_data; +}; + +/** + * exynos4_register_thermal: Register to the exynos thermal interface. + * @sensor_conf: Structure containing temperature sensor information + * + * returns zero on success, else negative errno. + */ +int exynos4_register_thermal(struct thermal_sensor_conf *sensor_conf); + +/** + * exynos4_unregister_thermal: Un-register from the exynos thermal interface. + * + * return not applicable. + */ +void exynos4_unregister_thermal(void); + +/** + * exynos4_report_trigger: Report any trigger level crossed in the + * temperature sensor. This may be useful to take any cooling action. + * + * return not applicable. + */ +extern void exynos4_report_trigger(void); +#endif |