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Diffstat (limited to 'include/linux/thermal.h')
-rw-r--r--include/linux/thermal.h36
1 files changed, 33 insertions, 3 deletions
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 4a849f19e6c9..5b0718c850ce 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -98,6 +98,7 @@ struct thermal_zone_device_ops {
int (*unbind) (struct thermal_zone_device *,
struct thermal_cooling_device *);
int (*get_temp) (struct thermal_zone_device *, int *);
+ int (*set_trips) (struct thermal_zone_device *, int, int);
int (*get_mode) (struct thermal_zone_device *,
enum thermal_device_mode *);
int (*set_mode) (struct thermal_zone_device *,
@@ -182,6 +183,7 @@ struct thermal_attr {
* @lock: lock to protect thermal_instances list
* @node: node in thermal_tz_list (in thermal_core.c)
* @poll_queue: delayed work for polling
+ * @thermal_notifier_list: list head of thermal notifier
*/
struct thermal_zone_device {
int id;
@@ -199,6 +201,8 @@ struct thermal_zone_device {
int last_temperature;
int emul_temperature;
int passive;
+ int prev_low_trip;
+ int prev_high_trip;
unsigned int forced_passive;
atomic_t need_update;
struct thermal_zone_device_ops *ops;
@@ -210,6 +214,9 @@ struct thermal_zone_device {
struct mutex lock;
struct list_head node;
struct delayed_work poll_queue;
+#ifdef CONFIG_ARCH_ROCKCHIP
+ struct srcu_notifier_head thermal_notifier_list;
+#endif
};
/**
@@ -333,13 +340,18 @@ struct thermal_genl_event {
*
* Optional:
* @get_trend: a pointer to a function that reads the sensor temperature trend.
+ * @@set_trips: a pointer to a function that sets a temperature window. When this
+ * window is left the driver must inform the thermal core via
+ * thermal_zone_device_update.
* @set_emul_temp: a pointer to a function that sets sensor emulated
* temperature.
*/
struct thermal_zone_of_device_ops {
int (*get_temp)(void *, int *);
- int (*get_trend)(void *, long *);
+ int (*get_trend)(void *, int, enum thermal_trend *);
+ int (*set_trips)(void *, int, int);
int (*set_emul_temp)(void *, int);
+ int (*set_trip_temp)(void *, int, int);
};
/**
@@ -352,8 +364,8 @@ struct thermal_zone_of_device_ops {
struct thermal_trip {
struct device_node *np;
- unsigned long int temperature;
- unsigned long int hysteresis;
+ int temperature;
+ int hysteresis;
enum thermal_trip_type type;
};
@@ -364,6 +376,11 @@ thermal_zone_of_sensor_register(struct device *dev, int id, void *data,
const struct thermal_zone_of_device_ops *ops);
void thermal_zone_of_sensor_unregister(struct device *dev,
struct thermal_zone_device *tz);
+struct thermal_zone_device *devm_thermal_zone_of_sensor_register(
+ struct device *dev, int id, void *data,
+ const struct thermal_zone_of_device_ops *ops);
+void devm_thermal_zone_of_sensor_unregister(struct device *dev,
+ struct thermal_zone_device *tz);
#else
static inline struct thermal_zone_device *
thermal_zone_of_sensor_register(struct device *dev, int id, void *data,
@@ -378,6 +395,19 @@ void thermal_zone_of_sensor_unregister(struct device *dev,
{
}
+static inline struct thermal_zone_device *devm_thermal_zone_of_sensor_register(
+ struct device *dev, int id, void *data,
+ const struct thermal_zone_of_device_ops *ops)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline
+void devm_thermal_zone_of_sensor_unregister(struct device *dev,
+ struct thermal_zone_device *tz)
+{
+}
+
#endif
#if IS_ENABLED(CONFIG_THERMAL)