diff options
Diffstat (limited to 'drivers/thermal/thermal_core.h')
| -rw-r--r-- | drivers/thermal/thermal_core.h | 41 |
1 files changed, 28 insertions, 13 deletions
diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h index a64d39b1c86b..be271e7c8f41 100644 --- a/drivers/thermal/thermal_core.h +++ b/drivers/thermal/thermal_core.h @@ -9,10 +9,12 @@ #ifndef __THERMAL_CORE_H__ #define __THERMAL_CORE_H__ +#include <linux/cleanup.h> #include <linux/device.h> #include <linux/thermal.h> #include "thermal_netlink.h" +#include "thermal_thresholds.h" #include "thermal_debugfs.h" struct thermal_attr { @@ -29,8 +31,8 @@ struct thermal_trip_attrs { struct thermal_trip_desc { struct thermal_trip trip; struct thermal_trip_attrs trip_attrs; - struct list_head notify_list_node; - int notify_temp; + struct list_head list_node; + struct list_head thermal_instances; int threshold; }; @@ -61,6 +63,13 @@ struct thermal_governor { struct list_head governor_list; }; +#define TZ_STATE_FLAG_SUSPENDED BIT(0) +#define TZ_STATE_FLAG_RESUMING BIT(1) +#define TZ_STATE_FLAG_INIT BIT(2) +#define TZ_STATE_FLAG_EXIT BIT(3) + +#define TZ_STATE_READY 0 + /** * struct thermal_zone_device - structure for a thermal zone * @id: unique id number for each thermal zone @@ -68,6 +77,9 @@ struct thermal_governor { * @device: &struct device for this thermal zone * @removal: removal completion * @resume: resume completion + * @trips_high: trips above the current zone temperature + * @trips_reached: trips below or at the current zone temperature + * @trips_invalid: trips with invalid temperature * @mode: current mode of this thermal zone * @devdata: private pointer for device private data * @num_trips: number of trip points the thermal zone supports @@ -88,20 +100,17 @@ struct thermal_governor { trip point. * @prev_high_trip: the above current temperature if you've crossed a passive trip point. - * @need_update: if equals 1, thermal_zone_device_update needs to be invoked. * @ops: operations this &thermal_zone_device supports * @tzp: thermal zone parameters * @governor: pointer to the governor for this thermal zone * @governor_data: private pointer for governor data - * @thermal_instances: list of &struct thermal_instance of this thermal zone * @ida: &struct ida to generate unique id for this zone's cooling * devices * @lock: lock to protect thermal_instances list * @node: node in thermal_tz_list (in thermal_core.c) * @poll_queue: delayed work for polling * @notify_event: Last notification event - * @suspended: thermal zone suspend indicator - * @resuming: indicates whether or not thermal zone resume is in progress + * @state: current state of the thermal zone * @trips: array of struct thermal_trip objects */ struct thermal_zone_device { @@ -111,6 +120,9 @@ struct thermal_zone_device { struct completion removal; struct completion resume; struct attribute_group trips_attribute_group; + struct list_head trips_high; + struct list_head trips_reached; + struct list_head trips_invalid; enum thermal_device_mode mode; void *devdata; int num_trips; @@ -123,25 +135,29 @@ struct thermal_zone_device { int passive; int prev_low_trip; int prev_high_trip; - atomic_t need_update; struct thermal_zone_device_ops ops; struct thermal_zone_params *tzp; struct thermal_governor *governor; void *governor_data; - struct list_head thermal_instances; struct ida ida; struct mutex lock; struct list_head node; struct delayed_work poll_queue; enum thermal_notify_event notify_event; - bool suspended; - bool resuming; + u8 state; #ifdef CONFIG_THERMAL_DEBUGFS struct thermal_debugfs *debugfs; #endif + struct list_head user_thresholds; struct thermal_trip_desc trips[] __counted_by(num_trips); }; +DEFINE_GUARD(thermal_zone, struct thermal_zone_device *, mutex_lock(&_T->lock), + mutex_unlock(&_T->lock)) + +DEFINE_GUARD(thermal_zone_reverse, struct thermal_zone_device *, + mutex_unlock(&_T->lock), mutex_lock(&_T->lock)) + /* Initial thermal zone temperature. */ #define THERMAL_TEMP_INIT INT_MIN @@ -204,6 +220,7 @@ static inline bool cdev_is_power_actor(struct thermal_cooling_device *cdev) } void thermal_cdev_update(struct thermal_cooling_device *); +void thermal_cdev_update_nocheck(struct thermal_cooling_device *cdev); void __thermal_cdev_update(struct thermal_cooling_device *cdev); int get_tz_trend(struct thermal_zone_device *tz, const struct thermal_trip *trip); @@ -226,7 +243,7 @@ struct thermal_instance { struct device_attribute attr; char weight_attr_name[THERMAL_NAME_LENGTH]; struct device_attribute weight_attr; - struct list_head tz_node; /* node in tz->thermal_instances */ + struct list_head trip_node; /* node in trip->thermal_instances */ struct list_head cdev_node; /* node in cdev->thermal_instances */ unsigned int weight; /* The weight of the cooling device */ bool upper_no_limit; @@ -261,8 +278,6 @@ void thermal_zone_set_trips(struct thermal_zone_device *tz, int low, int high); int thermal_zone_trip_id(const struct thermal_zone_device *tz, const struct thermal_trip *trip); int __thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp); -void thermal_zone_trip_down(struct thermal_zone_device *tz, - const struct thermal_trip *trip); void thermal_zone_set_trip_hyst(struct thermal_zone_device *tz, struct thermal_trip *trip, int hyst); |