diff options
Diffstat (limited to 'include/linux/power_supply.h')
-rw-r--r-- | include/linux/power_supply.h | 94 |
1 files changed, 76 insertions, 18 deletions
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index b98106e1a90f..f21f806bfb38 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -15,6 +15,8 @@ #include <linux/device.h> #include <linux/workqueue.h> #include <linux/leds.h> +#include <linux/rwsem.h> +#include <linux/list.h> #include <linux/spinlock.h> #include <linux/notifier.h> @@ -40,7 +42,7 @@ enum { }; /* What algorithm is the charger using? */ -enum { +enum power_supply_charge_type { POWER_SUPPLY_CHARGE_TYPE_UNKNOWN = 0, POWER_SUPPLY_CHARGE_TYPE_NONE, POWER_SUPPLY_CHARGE_TYPE_TRICKLE, /* slow speed */ @@ -58,6 +60,7 @@ enum { POWER_SUPPLY_HEALTH_OVERHEAT, POWER_SUPPLY_HEALTH_DEAD, POWER_SUPPLY_HEALTH_OVERVOLTAGE, + POWER_SUPPLY_HEALTH_UNDERVOLTAGE, POWER_SUPPLY_HEALTH_UNSPEC_FAILURE, POWER_SUPPLY_HEALTH_COLD, POWER_SUPPLY_HEALTH_WATCHDOG_TIMER_EXPIRE, @@ -68,6 +71,8 @@ enum { POWER_SUPPLY_HEALTH_COOL, POWER_SUPPLY_HEALTH_HOT, POWER_SUPPLY_HEALTH_NO_BATTERY, + POWER_SUPPLY_HEALTH_BLOWN_FUSE, + POWER_SUPPLY_HEALTH_CELL_IMBALANCE, }; enum { @@ -99,6 +104,7 @@ enum power_supply_property { /* Properties of type `int' */ POWER_SUPPLY_PROP_STATUS = 0, POWER_SUPPLY_PROP_CHARGE_TYPE, + POWER_SUPPLY_PROP_CHARGE_TYPES, POWER_SUPPLY_PROP_HEALTH, POWER_SUPPLY_PROP_PRESENT, POWER_SUPPLY_PROP_ONLINE, @@ -208,6 +214,7 @@ enum power_supply_usb_type { enum power_supply_charge_behaviour { POWER_SUPPLY_CHARGE_BEHAVIOUR_AUTO = 0, POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE, + POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE_AWAKE, POWER_SUPPLY_CHARGE_BEHAVIOUR_FORCE_DISCHARGE, }; @@ -225,7 +232,6 @@ struct power_supply; /* Run-time specific power supply configuration */ struct power_supply_config { - struct device_node *of_node; struct fwnode_handle *fwnode; /* Driver private data */ @@ -245,6 +251,7 @@ struct power_supply_desc { const char *name; enum power_supply_type type; u8 charge_behaviours; + u32 charge_types; u32 usb_types; const enum power_supply_property *properties; size_t num_properties; @@ -269,7 +276,6 @@ struct power_supply_desc { int (*property_is_writeable)(struct power_supply *psy, enum power_supply_property psp); void (*external_power_changed)(struct power_supply *psy); - void (*set_charged)(struct power_supply *psy); /* * Set if thermal zone should not be created for this power supply. @@ -281,6 +287,29 @@ struct power_supply_desc { int use_for_apm; }; +struct power_supply_ext { + const char *const name; + u8 charge_behaviours; + u32 charge_types; + const enum power_supply_property *properties; + size_t num_properties; + + int (*get_property)(struct power_supply *psy, + const struct power_supply_ext *ext, + void *data, + enum power_supply_property psp, + union power_supply_propval *val); + int (*set_property)(struct power_supply *psy, + const struct power_supply_ext *ext, + void *data, + enum power_supply_property psp, + const union power_supply_propval *val); + int (*property_is_writeable)(struct power_supply *psy, + const struct power_supply_ext *ext, + void *data, + enum power_supply_property psp); +}; + struct power_supply { const struct power_supply_desc *desc; @@ -289,7 +318,6 @@ struct power_supply { char **supplied_from; size_t num_supplies; - struct device_node *of_node; /* Driver private data */ void *drv_data; @@ -300,10 +328,13 @@ struct power_supply { struct delayed_work deferred_register_work; spinlock_t changed_lock; bool changed; + bool update_groups; bool initialized; bool removing; atomic_t use_cnt; struct power_supply_battery_info *battery_info; + struct rw_semaphore extensions_sem; /* protects "extensions" */ + struct list_head extensions; #ifdef CONFIG_THERMAL struct thermal_zone_device *tzd; struct thermal_cooling_device *tcd; @@ -318,6 +349,8 @@ struct power_supply { #endif }; +#define dev_to_psy(__dev) container_of_const(__dev, struct power_supply, dev) + /* * This is recommended structure to specify static power supply parameters. * Generic one, parametrizable for different power supplies. Power supply @@ -774,19 +807,10 @@ static inline void power_supply_put(struct power_supply *psy) {} static inline struct power_supply *power_supply_get_by_name(const char *name) { return NULL; } #endif -#ifdef CONFIG_OF -extern struct power_supply *power_supply_get_by_phandle(struct device_node *np, - const char *property); -extern struct power_supply *devm_power_supply_get_by_phandle( +extern struct power_supply *power_supply_get_by_reference(struct fwnode_handle *fwnode, + const char *property); +extern struct power_supply *devm_power_supply_get_by_reference( struct device *dev, const char *property); -#else /* !CONFIG_OF */ -static inline struct power_supply * -power_supply_get_by_phandle(struct device_node *np, const char *property) -{ return NULL; } -static inline struct power_supply * -devm_power_supply_get_by_phandle(struct device *dev, const char *property) -{ return NULL; } -#endif /* CONFIG_OF */ extern const enum power_supply_property power_supply_battery_info_properties[]; extern const size_t power_supply_battery_info_properties_size; @@ -820,7 +844,6 @@ extern int power_supply_am_i_supplied(struct power_supply *psy); int power_supply_get_property_from_supplier(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val); -extern int power_supply_set_battery_charged(struct power_supply *psy); static inline bool power_supply_supports_maintenance_charging(struct power_supply_battery_info *info) @@ -855,15 +878,23 @@ static inline int power_supply_is_system_supplied(void) { return -ENOSYS; } extern int power_supply_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val); +int power_supply_get_property_direct(struct power_supply *psy, enum power_supply_property psp, + union power_supply_propval *val); #if IS_ENABLED(CONFIG_POWER_SUPPLY) extern int power_supply_set_property(struct power_supply *psy, enum power_supply_property psp, const union power_supply_propval *val); +int power_supply_set_property_direct(struct power_supply *psy, enum power_supply_property psp, + const union power_supply_propval *val); #else static inline int power_supply_set_property(struct power_supply *psy, enum power_supply_property psp, const union power_supply_propval *val) { return 0; } +static inline int power_supply_set_property_direct(struct power_supply *psy, + enum power_supply_property psp, + const union power_supply_propval *val) +{ return 0; } #endif extern void power_supply_external_power_changed(struct power_supply *psy); @@ -878,10 +909,18 @@ devm_power_supply_register(struct device *parent, extern void power_supply_unregister(struct power_supply *psy); extern int power_supply_powers(struct power_supply *psy, struct device *dev); +extern int __must_check +power_supply_register_extension(struct power_supply *psy, + const struct power_supply_ext *ext, + struct device *dev, + void *data); +extern void power_supply_unregister_extension(struct power_supply *psy, + const struct power_supply_ext *ext); + #define to_power_supply(device) container_of(device, struct power_supply, dev) extern void *power_supply_get_drvdata(struct power_supply *psy); -extern int power_supply_for_each_device(void *data, int (*fn)(struct device *dev, void *data)); +extern int power_supply_for_each_psy(void *data, int (*fn)(struct power_supply *psy, void *data)); static inline bool power_supply_is_amp_property(enum power_supply_property psp) { @@ -944,6 +983,11 @@ ssize_t power_supply_charge_behaviour_show(struct device *dev, char *buf); int power_supply_charge_behaviour_parse(unsigned int available_behaviours, const char *buf); +ssize_t power_supply_charge_types_show(struct device *dev, + unsigned int available_types, + enum power_supply_charge_type current_type, + char *buf); +int power_supply_charge_types_parse(unsigned int available_types, const char *buf); #else static inline ssize_t power_supply_charge_behaviour_show(struct device *dev, @@ -959,6 +1003,20 @@ static inline int power_supply_charge_behaviour_parse(unsigned int available_beh { return -EOPNOTSUPP; } + +static inline +ssize_t power_supply_charge_types_show(struct device *dev, + unsigned int available_types, + enum power_supply_charge_type current_type, + char *buf) +{ + return -EOPNOTSUPP; +} + +static inline int power_supply_charge_types_parse(unsigned int available_types, const char *buf) +{ + return -EOPNOTSUPP; +} #endif #endif /* __LINUX_POWER_SUPPLY_H__ */ |