diff options
Diffstat (limited to 'include/linux/power_supply.h')
| -rw-r--r-- | include/linux/power_supply.h | 577 |
1 files changed, 577 insertions, 0 deletions
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h new file mode 100644 index 000000000000..2ebd54c98e61 --- /dev/null +++ b/include/linux/power_supply.h @@ -0,0 +1,577 @@ +/* + * Universal power supply monitor class + * + * Copyright © 2007 Anton Vorontsov <cbou@mail.ru> + * Copyright © 2004 Szabolcs Gyurko + * Copyright © 2003 Ian Molton <spyro@f2s.com> + * + * Modified: 2004, Oct Szabolcs Gyurko + * + * You may use this code as per GPL version 2 + */ + +#ifndef __LINUX_POWER_SUPPLY_H__ +#define __LINUX_POWER_SUPPLY_H__ + +#include <linux/device.h> +#include <linux/workqueue.h> +#include <linux/leds.h> +#include <linux/spinlock.h> +#include <linux/notifier.h> +#include <linux/types.h> + +/* + * All voltages, currents, charges, energies, time and temperatures in uV, + * µA, µAh, µWh, seconds and tenths of degree Celsius unless otherwise + * stated. It's driver's job to convert its raw values to units in which + * this class operates. + */ + +/* + * For systems where the charger determines the maximum battery capacity + * the min and max fields should be used to present these values to user + * space. Unused/unknown fields will not appear in sysfs. + */ + +enum { + POWER_SUPPLY_STATUS_UNKNOWN = 0, + POWER_SUPPLY_STATUS_CHARGING, + POWER_SUPPLY_STATUS_DISCHARGING, + POWER_SUPPLY_STATUS_NOT_CHARGING, + POWER_SUPPLY_STATUS_FULL, +}; + +enum { + POWER_SUPPLY_CHARGE_TYPE_UNKNOWN = 0, + POWER_SUPPLY_CHARGE_TYPE_NONE, + POWER_SUPPLY_CHARGE_TYPE_TRICKLE, + POWER_SUPPLY_CHARGE_TYPE_FAST, + POWER_SUPPLY_CHARGE_TYPE_TAPER, +}; + +enum { + POWER_SUPPLY_HEALTH_UNKNOWN = 0, + POWER_SUPPLY_HEALTH_GOOD, + POWER_SUPPLY_HEALTH_OVERHEAT, + POWER_SUPPLY_HEALTH_DEAD, + POWER_SUPPLY_HEALTH_OVERVOLTAGE, + POWER_SUPPLY_HEALTH_UNSPEC_FAILURE, + POWER_SUPPLY_HEALTH_COLD, + POWER_SUPPLY_HEALTH_WATCHDOG_TIMER_EXPIRE, + POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE, + POWER_SUPPLY_HEALTH_WARM, + POWER_SUPPLY_HEALTH_COOL, + POWER_SUPPLY_HEALTH_HOT, +}; + +enum { + POWER_SUPPLY_TECHNOLOGY_UNKNOWN = 0, + POWER_SUPPLY_TECHNOLOGY_NiMH, + POWER_SUPPLY_TECHNOLOGY_LION, + POWER_SUPPLY_TECHNOLOGY_LIPO, + POWER_SUPPLY_TECHNOLOGY_LiFe, + POWER_SUPPLY_TECHNOLOGY_NiCd, + POWER_SUPPLY_TECHNOLOGY_LiMn, +}; + +enum { + POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN = 0, + POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL, + POWER_SUPPLY_CAPACITY_LEVEL_LOW, + POWER_SUPPLY_CAPACITY_LEVEL_NORMAL, + POWER_SUPPLY_CAPACITY_LEVEL_HIGH, + POWER_SUPPLY_CAPACITY_LEVEL_FULL, +}; + +enum { + POWER_SUPPLY_SCOPE_UNKNOWN = 0, + POWER_SUPPLY_SCOPE_SYSTEM, + POWER_SUPPLY_SCOPE_DEVICE, +}; + +enum { + POWER_SUPPLY_DP_DM_UNKNOWN = 0, + POWER_SUPPLY_DP_DM_PREPARE = 1, + POWER_SUPPLY_DP_DM_UNPREPARE = 2, + POWER_SUPPLY_DP_DM_CONFIRMED_HVDCP3 = 3, + POWER_SUPPLY_DP_DM_DP_PULSE = 4, + POWER_SUPPLY_DP_DM_DM_PULSE = 5, + POWER_SUPPLY_DP_DM_DP0P6_DMF = 6, + POWER_SUPPLY_DP_DM_DP0P6_DM3P3 = 7, + POWER_SUPPLY_DP_DM_DPF_DMF = 8, + POWER_SUPPLY_DP_DM_DPR_DMR = 9, + POWER_SUPPLY_DP_DM_HVDCP3_SUPPORTED = 10, + POWER_SUPPLY_DP_DM_ICL_DOWN = 11, + POWER_SUPPLY_DP_DM_ICL_UP = 12, + POWER_SUPPLY_DP_DM_FORCE_5V = 13, + POWER_SUPPLY_DP_DM_FORCE_9V = 14, + POWER_SUPPLY_DP_DM_FORCE_12V = 15, +}; + +enum { + POWER_SUPPLY_PL_NONE, + POWER_SUPPLY_PL_USBIN_USBIN, + POWER_SUPPLY_PL_USBIN_USBIN_EXT, + POWER_SUPPLY_PL_USBMID_USBMID, +}; + +enum { + POWER_SUPPLY_PL_STACKED_BATFET, + POWER_SUPPLY_PL_NON_STACKED_BATFET, +}; + +enum power_supply_property { + /* Properties of type `int' */ + POWER_SUPPLY_PROP_STATUS = 0, + POWER_SUPPLY_PROP_CHARGE_TYPE, + POWER_SUPPLY_PROP_HEALTH, + POWER_SUPPLY_PROP_PRESENT, + POWER_SUPPLY_PROP_ONLINE, + POWER_SUPPLY_PROP_AUTHENTIC, + POWER_SUPPLY_PROP_TECHNOLOGY, + POWER_SUPPLY_PROP_CYCLE_COUNT, + POWER_SUPPLY_PROP_VOLTAGE_MAX, + POWER_SUPPLY_PROP_VOLTAGE_MIN, + POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN, + POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, + POWER_SUPPLY_PROP_VOLTAGE_NOW, + POWER_SUPPLY_PROP_VOLTAGE_AVG, + POWER_SUPPLY_PROP_VOLTAGE_OCV, + POWER_SUPPLY_PROP_VOLTAGE_BOOT, + POWER_SUPPLY_PROP_CURRENT_MAX, + POWER_SUPPLY_PROP_CURRENT_NOW, + POWER_SUPPLY_PROP_CURRENT_AVG, + POWER_SUPPLY_PROP_CURRENT_BOOT, + POWER_SUPPLY_PROP_POWER_NOW, + POWER_SUPPLY_PROP_POWER_AVG, + POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, + POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN, + POWER_SUPPLY_PROP_CHARGE_FULL, + POWER_SUPPLY_PROP_CHARGE_EMPTY, + POWER_SUPPLY_PROP_CHARGE_NOW, + POWER_SUPPLY_PROP_CHARGE_NOW_RAW, + POWER_SUPPLY_PROP_CHARGE_NOW_ERROR, + POWER_SUPPLY_PROP_CHARGE_AVG, + POWER_SUPPLY_PROP_CHARGE_COUNTER, + POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT, + POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX, + POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE, + POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX, + POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT, + POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX, + POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT, + POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN, + POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN, + POWER_SUPPLY_PROP_ENERGY_FULL, + POWER_SUPPLY_PROP_ENERGY_EMPTY, + POWER_SUPPLY_PROP_ENERGY_NOW, + POWER_SUPPLY_PROP_ENERGY_AVG, + POWER_SUPPLY_PROP_CAPACITY, /* in percents! */ + POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN, /* in percents! */ + POWER_SUPPLY_PROP_CAPACITY_ALERT_MAX, /* in percents! */ + POWER_SUPPLY_PROP_CAPACITY_LEVEL, + POWER_SUPPLY_PROP_CAPACITY_RAW, + POWER_SUPPLY_PROP_TEMP, + POWER_SUPPLY_PROP_TEMP_MAX, + POWER_SUPPLY_PROP_TEMP_MIN, + POWER_SUPPLY_PROP_TEMP_ALERT_MIN, + POWER_SUPPLY_PROP_TEMP_ALERT_MAX, + POWER_SUPPLY_PROP_TEMP_AMBIENT, + POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MIN, + POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MAX, + POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW, + POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG, + POWER_SUPPLY_PROP_TIME_TO_FULL_NOW, + POWER_SUPPLY_PROP_TIME_TO_FULL_AVG, + POWER_SUPPLY_PROP_TYPE, /* use power_supply.type instead */ + POWER_SUPPLY_PROP_SCOPE, + POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT, + POWER_SUPPLY_PROP_CALIBRATE, + /* Local extensions */ + POWER_SUPPLY_PROP_USB_HC, + POWER_SUPPLY_PROP_USB_OTG, + POWER_SUPPLY_PROP_BATTERY_CHARGING_ENABLED, + POWER_SUPPLY_PROP_CHARGING_ENABLED, + POWER_SUPPLY_PROP_STEP_CHARGING_ENABLED, + POWER_SUPPLY_PROP_STEP_CHARGING_STEP, + POWER_SUPPLY_PROP_PIN_ENABLED, + POWER_SUPPLY_PROP_INPUT_SUSPEND, + POWER_SUPPLY_PROP_INPUT_VOLTAGE_REGULATION, + POWER_SUPPLY_PROP_INPUT_CURRENT_MAX, + POWER_SUPPLY_PROP_INPUT_CURRENT_TRIM, + POWER_SUPPLY_PROP_INPUT_CURRENT_SETTLED, + POWER_SUPPLY_PROP_INPUT_VOLTAGE_SETTLED, + POWER_SUPPLY_PROP_VCHG_LOOP_DBC_BYPASS, + POWER_SUPPLY_PROP_CHARGE_COUNTER_SHADOW, + POWER_SUPPLY_PROP_HI_POWER, + POWER_SUPPLY_PROP_LOW_POWER, + POWER_SUPPLY_PROP_COOL_TEMP, + POWER_SUPPLY_PROP_WARM_TEMP, + POWER_SUPPLY_PROP_COLD_TEMP, + POWER_SUPPLY_PROP_HOT_TEMP, + POWER_SUPPLY_PROP_SYSTEM_TEMP_LEVEL, + POWER_SUPPLY_PROP_RESISTANCE, + POWER_SUPPLY_PROP_RESISTANCE_CAPACITIVE, + POWER_SUPPLY_PROP_RESISTANCE_ID, /* in Ohms */ + POWER_SUPPLY_PROP_RESISTANCE_NOW, + POWER_SUPPLY_PROP_FLASH_CURRENT_MAX, + POWER_SUPPLY_PROP_UPDATE_NOW, + POWER_SUPPLY_PROP_ESR_COUNT, + POWER_SUPPLY_PROP_BUCK_FREQ, + POWER_SUPPLY_PROP_BOOST_CURRENT, + POWER_SUPPLY_PROP_SAFETY_TIMER_ENABLE, + POWER_SUPPLY_PROP_CHARGE_DONE, + POWER_SUPPLY_PROP_FLASH_ACTIVE, + POWER_SUPPLY_PROP_FLASH_TRIGGER, + POWER_SUPPLY_PROP_FORCE_TLIM, + POWER_SUPPLY_PROP_DP_DM, + POWER_SUPPLY_PROP_INPUT_CURRENT_LIMITED, + POWER_SUPPLY_PROP_INPUT_CURRENT_NOW, + POWER_SUPPLY_PROP_CHARGE_QNOVO_ENABLE, + POWER_SUPPLY_PROP_CURRENT_QNOVO, + POWER_SUPPLY_PROP_VOLTAGE_QNOVO, + POWER_SUPPLY_PROP_RERUN_AICL, + POWER_SUPPLY_PROP_CYCLE_COUNT_ID, + POWER_SUPPLY_PROP_SAFETY_TIMER_EXPIRED, + POWER_SUPPLY_PROP_RESTRICTED_CHARGING, + POWER_SUPPLY_PROP_CURRENT_CAPABILITY, + POWER_SUPPLY_PROP_TYPEC_MODE, + POWER_SUPPLY_PROP_TYPEC_CC_ORIENTATION, /* 0: N/C, 1: CC1, 2: CC2 */ + POWER_SUPPLY_PROP_TYPEC_POWER_ROLE, + POWER_SUPPLY_PROP_PD_ALLOWED, + POWER_SUPPLY_PROP_PD_ACTIVE, + POWER_SUPPLY_PROP_PD_IN_HARD_RESET, + POWER_SUPPLY_PROP_PD_CURRENT_MAX, + POWER_SUPPLY_PROP_PD_USB_SUSPEND_SUPPORTED, + POWER_SUPPLY_PROP_CHARGER_TEMP, + POWER_SUPPLY_PROP_CHARGER_TEMP_MAX, + POWER_SUPPLY_PROP_PARALLEL_DISABLE, + POWER_SUPPLY_PROP_PE_START, + POWER_SUPPLY_PROP_SET_SHIP_MODE, + POWER_SUPPLY_PROP_SOC_REPORTING_READY, + POWER_SUPPLY_PROP_DEBUG_BATTERY, + POWER_SUPPLY_PROP_FCC_DELTA, + POWER_SUPPLY_PROP_ICL_REDUCTION, + POWER_SUPPLY_PROP_PARALLEL_MODE, + POWER_SUPPLY_PROP_DIE_HEALTH, + POWER_SUPPLY_PROP_CONNECTOR_HEALTH, + POWER_SUPPLY_PROP_CTM_CURRENT_MAX, + POWER_SUPPLY_PROP_HW_CURRENT_MAX, + POWER_SUPPLY_PROP_REAL_TYPE, + POWER_SUPPLY_PROP_PR_SWAP, + POWER_SUPPLY_PROP_CC_STEP, + POWER_SUPPLY_PROP_CC_STEP_SEL, + POWER_SUPPLY_PROP_SW_JEITA_ENABLED, + POWER_SUPPLY_PROP_PD_VOLTAGE_MAX, + POWER_SUPPLY_PROP_PD_VOLTAGE_MIN, + POWER_SUPPLY_PROP_SDP_CURRENT_MAX, + POWER_SUPPLY_PROP_FCC_STEPPER_ENABLE, + POWER_SUPPLY_PROP_IGNORE_FALSE_NEGATIVE_ISENSE, + POWER_SUPPLY_PROP_BATTERY_INFO, + POWER_SUPPLY_PROP_BATTERY_INFO_ID, + POWER_SUPPLY_PROP_ENABLE_JEITA_DETECTION, + POWER_SUPPLY_PROP_ALLOW_HVDCP3, + POWER_SUPPLY_PROP_MAX_PULSE_ALLOWED, + POWER_SUPPLY_PROP_PARALLEL_BATFET_MODE, + POWER_SUPPLY_PROP_PARALLEL_FCC_MAX, + POWER_SUPPLY_PROP_MIN_ICL, + /* Local extensions of type int64_t */ + POWER_SUPPLY_PROP_CHARGE_COUNTER_EXT, + /* Properties of type `const char *' */ + POWER_SUPPLY_PROP_MODEL_NAME, + POWER_SUPPLY_PROP_MANUFACTURER, + POWER_SUPPLY_PROP_SERIAL_NUMBER, + POWER_SUPPLY_PROP_BATTERY_TYPE, +}; + +enum power_supply_type { + POWER_SUPPLY_TYPE_UNKNOWN = 0, + POWER_SUPPLY_TYPE_BATTERY, + POWER_SUPPLY_TYPE_UPS, + POWER_SUPPLY_TYPE_MAINS, + POWER_SUPPLY_TYPE_USB, /* Standard Downstream Port */ + POWER_SUPPLY_TYPE_USB_DCP, /* Dedicated Charging Port */ + POWER_SUPPLY_TYPE_USB_CDP, /* Charging Downstream Port */ + POWER_SUPPLY_TYPE_USB_ACA, /* Accessory Charger Adapters */ + POWER_SUPPLY_TYPE_USB_HVDCP, /* High Voltage DCP */ + POWER_SUPPLY_TYPE_USB_HVDCP_3, /* Efficient High Voltage DCP */ + POWER_SUPPLY_TYPE_USB_PD, /* Power Delivery */ + POWER_SUPPLY_TYPE_WIRELESS, /* Accessory Charger Adapters */ + POWER_SUPPLY_TYPE_USB_FLOAT, /* Floating charger */ + POWER_SUPPLY_TYPE_BMS, /* Battery Monitor System */ + POWER_SUPPLY_TYPE_PARALLEL, /* Parallel Path */ + POWER_SUPPLY_TYPE_MAIN, /* Main Path */ + POWER_SUPPLY_TYPE_WIPOWER, /* Wipower */ + POWER_SUPPLY_TYPE_TYPEC, /* Type-C */ + POWER_SUPPLY_TYPE_UFP, /* Type-C UFP */ + POWER_SUPPLY_TYPE_DFP, /* TYpe-C DFP */ +}; + +/* Indicates USB Type-C CC connection status */ +enum power_supply_typec_mode { + POWER_SUPPLY_TYPEC_NONE, + + /* Acting as source */ + POWER_SUPPLY_TYPEC_SINK, /* Rd only */ + POWER_SUPPLY_TYPEC_SINK_POWERED_CABLE, /* Rd/Ra */ + POWER_SUPPLY_TYPEC_SINK_DEBUG_ACCESSORY, /* Rd/Rd */ + POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER, /* Ra/Ra */ + POWER_SUPPLY_TYPEC_POWERED_CABLE_ONLY, /* Ra only */ + + /* Acting as sink */ + POWER_SUPPLY_TYPEC_SOURCE_DEFAULT, /* Rp default */ + POWER_SUPPLY_TYPEC_SOURCE_MEDIUM, /* Rp 1.5A */ + POWER_SUPPLY_TYPEC_SOURCE_HIGH, /* Rp 3A */ + POWER_SUPPLY_TYPEC_NON_COMPLIANT, +}; + +enum power_supply_typec_power_role { + POWER_SUPPLY_TYPEC_PR_NONE, /* CC lines in high-Z */ + POWER_SUPPLY_TYPEC_PR_DUAL, + POWER_SUPPLY_TYPEC_PR_SINK, + POWER_SUPPLY_TYPEC_PR_SOURCE, +}; + +enum power_supply_notifier_events { + PSY_EVENT_PROP_CHANGED, +}; + +enum vmbms_power_usecase { + VMBMS_IGNORE_ALL_BIT = 1, + VMBMS_VOICE_CALL_BIT = (1 << 4), + VMBMS_STATIC_DISPLAY_BIT = (1 << 5), +}; + +union power_supply_propval { + int intval; + const char *strval; + int64_t int64val; +}; + +struct device_node; +struct power_supply; + +/* Run-time specific power supply configuration */ +struct power_supply_config { + struct device_node *of_node; + /* Driver private data */ + void *drv_data; + + char **supplied_to; + size_t num_supplicants; +}; + +/* Description of power supply */ +struct power_supply_desc { + const char *name; + enum power_supply_type type; + enum power_supply_property *properties; + size_t num_properties; + + /* + * Functions for drivers implementing power supply class. + * These shouldn't be called directly by other drivers for accessing + * this power supply. Instead use power_supply_*() functions (for + * example power_supply_get_property()). + */ + int (*get_property)(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val); + int (*set_property)(struct power_supply *psy, + enum power_supply_property psp, + const union power_supply_propval *val); + /* + * property_is_writeable() will be called during registration + * of power supply. If this happens during device probe then it must + * not access internal data of device (because probe did not end). + */ + 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. + * For example for virtual supplies forwarding calls to actual + * sensors or other supplies. + */ + bool no_thermal; + /* For APM emulation, think legacy userspace. */ + int use_for_apm; +}; + +struct power_supply { + const struct power_supply_desc *desc; + + char **supplied_to; + size_t num_supplicants; + + char **supplied_from; + size_t num_supplies; + struct device_node *of_node; + + /* Driver private data */ + void *drv_data; + + /* private */ + struct device dev; + struct work_struct changed_work; + struct delayed_work deferred_register_work; + spinlock_t changed_lock; + bool changed; + atomic_t use_cnt; +#ifdef CONFIG_THERMAL + struct thermal_zone_device *tzd; + struct thermal_cooling_device *tcd; +#endif + +#ifdef CONFIG_LEDS_TRIGGERS + struct led_trigger *charging_full_trig; + char *charging_full_trig_name; + struct led_trigger *charging_trig; + char *charging_trig_name; + struct led_trigger *full_trig; + char *full_trig_name; + struct led_trigger *online_trig; + char *online_trig_name; + struct led_trigger *charging_blink_full_solid_trig; + char *charging_blink_full_solid_trig_name; +#endif +}; + +/* + * This is recommended structure to specify static power supply parameters. + * Generic one, parametrizable for different power supplies. Power supply + * class itself does not use it, but that's what implementing most platform + * drivers, should try reuse for consistency. + */ + +struct power_supply_info { + const char *name; + int technology; + int voltage_max_design; + int voltage_min_design; + int charge_full_design; + int charge_empty_design; + int energy_full_design; + int energy_empty_design; + int use_for_apm; +}; + +extern struct atomic_notifier_head power_supply_notifier; +extern int power_supply_reg_notifier(struct notifier_block *nb); +extern void power_supply_unreg_notifier(struct notifier_block *nb); +extern struct power_supply *power_supply_get_by_name(const char *name); +extern void power_supply_put(struct power_supply *psy); +#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( + 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 void power_supply_changed(struct power_supply *psy); +extern int power_supply_am_i_supplied(struct power_supply *psy); +extern int power_supply_set_battery_charged(struct power_supply *psy); + +#ifdef CONFIG_POWER_SUPPLY +extern int power_supply_is_system_supplied(void); +#else +static inline int power_supply_is_system_supplied(void) { return -ENOSYS; } +#endif + +extern int power_supply_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val); +extern int power_supply_set_property(struct power_supply *psy, + enum power_supply_property psp, + const union power_supply_propval *val); +extern int power_supply_property_is_writeable(struct power_supply *psy, + enum power_supply_property psp); +extern void power_supply_external_power_changed(struct power_supply *psy); + +extern struct power_supply *__must_check +power_supply_register(struct device *parent, + const struct power_supply_desc *desc, + const struct power_supply_config *cfg); +extern struct power_supply *__must_check +power_supply_register_no_ws(struct device *parent, + const struct power_supply_desc *desc, + const struct power_supply_config *cfg); +extern struct power_supply *__must_check +devm_power_supply_register(struct device *parent, + const struct power_supply_desc *desc, + const struct power_supply_config *cfg); +extern struct power_supply *__must_check +devm_power_supply_register_no_ws(struct device *parent, + const struct power_supply_desc *desc, + const struct power_supply_config *cfg); +extern void power_supply_unregister(struct power_supply *psy); +extern int power_supply_powers(struct power_supply *psy, struct device *dev); + +extern void *power_supply_get_drvdata(struct power_supply *psy); +/* For APM emulation, think legacy userspace. */ +extern struct class *power_supply_class; + +static inline bool power_supply_is_amp_property(enum power_supply_property psp) +{ + switch (psp) { + case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: + case POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN: + case POWER_SUPPLY_PROP_CHARGE_FULL: + case POWER_SUPPLY_PROP_CHARGE_EMPTY: + case POWER_SUPPLY_PROP_CHARGE_NOW: + case POWER_SUPPLY_PROP_CHARGE_AVG: + case POWER_SUPPLY_PROP_CHARGE_COUNTER: + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT: + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX: + case POWER_SUPPLY_PROP_CURRENT_MAX: + case POWER_SUPPLY_PROP_CURRENT_NOW: + case POWER_SUPPLY_PROP_CURRENT_AVG: + case POWER_SUPPLY_PROP_CURRENT_BOOT: + case POWER_SUPPLY_PROP_CHARGE_COUNTER_SHADOW: + case POWER_SUPPLY_PROP_INPUT_CURRENT_MAX: + case POWER_SUPPLY_PROP_FLASH_CURRENT_MAX: + return 1; + default: + break; + } + + return 0; +} + +static inline bool power_supply_is_watt_property(enum power_supply_property psp) +{ + switch (psp) { + case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN: + case POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN: + case POWER_SUPPLY_PROP_ENERGY_FULL: + case POWER_SUPPLY_PROP_ENERGY_EMPTY: + case POWER_SUPPLY_PROP_ENERGY_NOW: + case POWER_SUPPLY_PROP_ENERGY_AVG: + case POWER_SUPPLY_PROP_VOLTAGE_MAX: + case POWER_SUPPLY_PROP_VOLTAGE_MIN: + case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: + case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: + case POWER_SUPPLY_PROP_VOLTAGE_NOW: + case POWER_SUPPLY_PROP_VOLTAGE_AVG: + case POWER_SUPPLY_PROP_VOLTAGE_OCV: + case POWER_SUPPLY_PROP_VOLTAGE_BOOT: + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE: + case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX: + case POWER_SUPPLY_PROP_POWER_NOW: + return 1; + default: + break; + } + + return 0; +} + +#endif /* __LINUX_POWER_SUPPLY_H__ */ |