diff options
Diffstat (limited to 'drivers/thermal/thermal_core.h')
| -rw-r--r-- | drivers/thermal/thermal_core.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h index a9bf00e91d64..c95689586e19 100644 --- a/drivers/thermal/thermal_core.h +++ b/drivers/thermal/thermal_core.h @@ -12,6 +12,17 @@ #include <linux/device.h> #include <linux/thermal.h> +/* Default Thermal Governor */ +#if defined(CONFIG_THERMAL_DEFAULT_GOV_STEP_WISE) +#define DEFAULT_THERMAL_GOVERNOR "step_wise" +#elif defined(CONFIG_THERMAL_DEFAULT_GOV_FAIR_SHARE) +#define DEFAULT_THERMAL_GOVERNOR "fair_share" +#elif defined(CONFIG_THERMAL_DEFAULT_GOV_USER_SPACE) +#define DEFAULT_THERMAL_GOVERNOR "user_space" +#elif defined(CONFIG_THERMAL_DEFAULT_GOV_POWER_ALLOCATOR) +#define DEFAULT_THERMAL_GOVERNOR "power_allocator" +#endif + /* Initial state of a cooling device during binding */ #define THERMAL_NO_TARGET -1UL @@ -30,6 +41,44 @@ extern struct thermal_governor *__governor_thermal_table_end[]; __governor < __governor_thermal_table_end; \ __governor++) +struct thermal_attr { + struct device_attribute attr; + char name[THERMAL_NAME_LENGTH]; +}; + +static inline bool cdev_is_power_actor(struct thermal_cooling_device *cdev) +{ + return cdev->ops->get_requested_power && cdev->ops->state2power && + cdev->ops->power2state; +} + +int power_actor_get_max_power(struct thermal_cooling_device *cdev, + struct thermal_zone_device *tz, u32 *max_power); +int power_actor_get_min_power(struct thermal_cooling_device *cdev, + struct thermal_zone_device *tz, u32 *min_power); +int power_actor_set_power(struct thermal_cooling_device *cdev, + struct thermal_instance *ti, u32 power); +/** + * struct thermal_trip - representation of a point in temperature domain + * @np: pointer to struct device_node that this trip point was created from + * @temperature: temperature value in miliCelsius + * @hysteresis: relative hysteresis in miliCelsius + * @type: trip point type + */ +struct thermal_trip { + struct device_node *np; + int temperature; + int hysteresis; + enum thermal_trip_type type; +}; + +int get_tz_trend(struct thermal_zone_device *tz, int trip); + +struct thermal_instance * +get_thermal_instance(struct thermal_zone_device *tz, + struct thermal_cooling_device *cdev, + int trip); + /* * This structure is used to describe the behavior of * a certain cooling device on a certain trip point @@ -69,6 +118,9 @@ void thermal_zone_device_unbind_exception(struct thermal_zone_device *, int thermal_zone_device_set_policy(struct thermal_zone_device *, char *); int thermal_build_list_of_policies(char *buf); +/* Helpers */ +void thermal_zone_set_trips(struct thermal_zone_device *tz); + /* sysfs I/F */ int thermal_zone_create_device_groups(struct thermal_zone_device *, int); void thermal_zone_destroy_device_groups(struct thermal_zone_device *); |