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Diffstat (limited to 'include/linux/thermal.h')
-rw-r--r--include/linux/thermal.h60
1 files changed, 32 insertions, 28 deletions
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index f1155c0439c4..0b5ed6821080 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -55,6 +55,10 @@ enum thermal_notify_event {
THERMAL_TZ_BIND_CDEV, /* Cooling dev is bind to the thermal zone */
THERMAL_TZ_UNBIND_CDEV, /* Cooling dev is unbind from the thermal zone */
THERMAL_INSTANCE_WEIGHT_CHANGED, /* Thermal instance weight changed */
+ THERMAL_TZ_RESUME, /* Thermal zone is resuming after system sleep */
+ THERMAL_TZ_ADD_THRESHOLD, /* Threshold added */
+ THERMAL_TZ_DEL_THRESHOLD, /* Threshold deleted */
+ THERMAL_TZ_FLUSH_THRESHOLDS, /* All thresholds deleted */
};
/**
@@ -79,18 +83,26 @@ struct thermal_trip {
#define THERMAL_TRIP_FLAG_RW (THERMAL_TRIP_FLAG_RW_TEMP | \
THERMAL_TRIP_FLAG_RW_HYST)
-struct thermal_zone_device;
+#define THERMAL_TRIP_PRIV_TO_INT(_val_) (uintptr_t)(_val_)
+#define THERMAL_INT_TO_TRIP_PRIV(_val_) (void *)(uintptr_t)(_val_)
+
+struct cooling_spec {
+ unsigned long upper; /* Highest cooling state */
+ unsigned long lower; /* Lowest cooling state */
+ unsigned int weight; /* Cooling device weight */
+};
struct thermal_zone_device_ops {
- int (*bind) (struct thermal_zone_device *,
- struct thermal_cooling_device *);
- int (*unbind) (struct thermal_zone_device *,
- struct thermal_cooling_device *);
+ bool (*should_bind) (struct thermal_zone_device *,
+ const struct thermal_trip *,
+ struct thermal_cooling_device *,
+ struct cooling_spec *);
int (*get_temp) (struct thermal_zone_device *, int *);
int (*set_trips) (struct thermal_zone_device *, int, int);
int (*change_mode) (struct thermal_zone_device *,
enum thermal_device_mode);
- int (*set_trip_temp) (struct thermal_zone_device *, int, int);
+ int (*set_trip_temp) (struct thermal_zone_device *,
+ const struct thermal_trip *, int);
int (*get_crit_temp) (struct thermal_zone_device *, int *);
int (*set_emul_temp) (struct thermal_zone_device *, int);
int (*get_trend) (struct thermal_zone_device *,
@@ -126,6 +138,9 @@ struct thermal_cooling_device {
#endif
};
+DEFINE_GUARD(cooling_dev, struct thermal_cooling_device *, mutex_lock(&_T->lock),
+ mutex_unlock(&_T->lock))
+
/* Structure to define Thermal Zone parameters */
struct thermal_zone_params {
const char *governor_name;
@@ -198,17 +213,12 @@ static inline void devm_thermal_of_zone_unregister(struct device *dev,
}
#endif
-int __thermal_zone_get_trip(struct thermal_zone_device *tz, int trip_id,
- struct thermal_trip *trip);
-int thermal_zone_get_trip(struct thermal_zone_device *tz, int trip_id,
- struct thermal_trip *trip);
int for_each_thermal_trip(struct thermal_zone_device *tz,
int (*cb)(struct thermal_trip *, void *),
void *data);
int thermal_zone_for_each_trip(struct thermal_zone_device *tz,
int (*cb)(struct thermal_trip *, void *),
void *data);
-int thermal_zone_get_num_trips(struct thermal_zone_device *tz);
void thermal_zone_set_trip_temp(struct thermal_zone_device *tz,
struct thermal_trip *trip, int temp);
@@ -221,7 +231,8 @@ struct thermal_zone_device *thermal_zone_device_register_with_trips(
int num_trips, void *devdata,
const struct thermal_zone_device_ops *ops,
const struct thermal_zone_params *tzp,
- int passive_delay, int polling_delay);
+ unsigned int passive_delay,
+ unsigned int polling_delay);
struct thermal_zone_device *thermal_tripless_zone_device_register(
const char *type,
@@ -236,20 +247,6 @@ const char *thermal_zone_device_type(struct thermal_zone_device *tzd);
int thermal_zone_device_id(struct thermal_zone_device *tzd);
struct device *thermal_zone_device(struct thermal_zone_device *tzd);
-int thermal_bind_cdev_to_trip(struct thermal_zone_device *tz,
- const struct thermal_trip *trip,
- struct thermal_cooling_device *cdev,
- unsigned long upper, unsigned long lower,
- unsigned int weight);
-int thermal_zone_bind_cooling_device(struct thermal_zone_device *, int,
- struct thermal_cooling_device *,
- unsigned long, unsigned long,
- unsigned int);
-int thermal_unbind_cdev_from_trip(struct thermal_zone_device *tz,
- const struct thermal_trip *trip,
- struct thermal_cooling_device *cdev);
-int thermal_zone_unbind_cooling_device(struct thermal_zone_device *, int,
- struct thermal_cooling_device *);
void thermal_zone_device_update(struct thermal_zone_device *,
enum thermal_notify_event);
@@ -261,7 +258,7 @@ thermal_of_cooling_device_register(struct device_node *np, const char *, void *,
struct thermal_cooling_device *
devm_thermal_of_cooling_device_register(struct device *dev,
struct device_node *np,
- char *type, void *devdata,
+ const char *type, void *devdata,
const struct thermal_cooling_device_ops *ops);
void thermal_cooling_device_update(struct thermal_cooling_device *);
void thermal_cooling_device_unregister(struct thermal_cooling_device *);
@@ -269,6 +266,9 @@ struct thermal_zone_device *thermal_zone_get_zone_by_name(const char *name);
int thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp);
int thermal_zone_get_slope(struct thermal_zone_device *tz);
int thermal_zone_get_offset(struct thermal_zone_device *tz);
+bool thermal_trip_is_bound_to_cdev(struct thermal_zone_device *tz,
+ const struct thermal_trip *trip,
+ struct thermal_cooling_device *cdev);
int thermal_zone_device_enable(struct thermal_zone_device *tz);
int thermal_zone_device_disable(struct thermal_zone_device *tz);
@@ -293,6 +293,10 @@ static inline struct thermal_zone_device *thermal_tripless_zone_device_register(
static inline void thermal_zone_device_unregister(struct thermal_zone_device *tz)
{ }
+static inline void thermal_zone_device_update(struct thermal_zone_device *tz,
+ enum thermal_notify_event event)
+{ }
+
static inline struct thermal_cooling_device *
thermal_cooling_device_register(const char *type, void *devdata,
const struct thermal_cooling_device_ops *ops)
@@ -305,7 +309,7 @@ thermal_of_cooling_device_register(struct device_node *np,
static inline struct thermal_cooling_device *
devm_thermal_of_cooling_device_register(struct device *dev,
struct device_node *np,
- char *type, void *devdata,
+ const char *type, void *devdata,
const struct thermal_cooling_device_ops *ops)
{
return ERR_PTR(-ENODEV);
generated by cgit (git 2.34.1) at 2025-07-25 17:43:30 +0000