[deliverable/linux.git] / include / linux / power_supply.h

/*
 *  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/workqueue.h>
#include <linux/leds.h>
#include <linux/spinlock.h>
#include <linux/notifier.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,
};

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,
};

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_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_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_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,
	/* Properties of type `const char *' */
	POWER_SUPPLY_PROP_MODEL_NAME,
	POWER_SUPPLY_PROP_MANUFACTURER,
	POWER_SUPPLY_PROP_SERIAL_NUMBER,
};

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 */
};

enum power_supply_notifier_events {
	PSY_EVENT_PROP_CHANGED,
};

union power_supply_propval {
	int intval;
	const char *strval;
};

struct device;
struct device_node;

struct power_supply {
	const char *name;
	enum power_supply_type type;
	enum power_supply_property *properties;
	size_t num_properties;

	char **supplied_to;
	size_t num_supplicants;

	char **supplied_from;
	size_t num_supplies;
	struct device_node *of_node;

	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);
	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;

	/* private */
	struct device *dev;
	struct work_struct changed_work;
	spinlock_t changed_lock;
	bool changed;
#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);
#ifdef CONFIG_OF
extern struct power_supply *power_supply_get_by_phandle(struct device_node *np,
							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; }
#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_register(struct device *parent,
				 struct power_supply *psy);
extern int power_supply_register_no_ws(struct device *parent,
				 struct power_supply *psy);
extern void power_supply_unregister(struct power_supply *psy);
extern int power_supply_powers(struct power_supply *psy, struct device *dev);

/* 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:
		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__ */
Commit	Line	Data
4a11b59d AV	1	/*
	2	* Universal power supply monitor class
	3	*
	4	* Copyright © 2007 Anton Vorontsov <cbou@mail.ru>
	5	* Copyright © 2004 Szabolcs Gyurko
	6	* Copyright © 2003 Ian Molton <spyro@f2s.com>
	7	*
	8	* Modified: 2004, Oct Szabolcs Gyurko
	9	*
	10	* You may use this code as per GPL version 2
	11	*/
	12
	13	#ifndef __LINUX_POWER_SUPPLY_H__
	14	#define __LINUX_POWER_SUPPLY_H__
	15
4a11b59d AV	16	#include <linux/workqueue.h>
4a11b59d AV	17	#include <linux/leds.h>
948dcf96	18	#include <linux/spinlock.h>
d36240d2	19	#include <linux/notifier.h>
4a11b59d AV	20
	21	/*
	22	* All voltages, currents, charges, energies, time and temperatures in uV,
	23	* µA, µAh, µWh, seconds and tenths of degree Celsius unless otherwise
	24	* stated. It's driver's job to convert its raw values to units in which
	25	* this class operates.
	26	*/
	27
	28	/*
	29	* For systems where the charger determines the maximum battery capacity
	30	* the min and max fields should be used to present these values to user
	31	* space. Unused/unknown fields will not appear in sysfs.
	32	*/
	33
	34	enum {
	35	POWER_SUPPLY_STATUS_UNKNOWN = 0,
	36	POWER_SUPPLY_STATUS_CHARGING,
	37	POWER_SUPPLY_STATUS_DISCHARGING,
	38	POWER_SUPPLY_STATUS_NOT_CHARGING,
	39	POWER_SUPPLY_STATUS_FULL,
	40	};
	41
ee8076ed AS	42	enum {
	43	POWER_SUPPLY_CHARGE_TYPE_UNKNOWN = 0,
	44	POWER_SUPPLY_CHARGE_TYPE_NONE,
	45	POWER_SUPPLY_CHARGE_TYPE_TRICKLE,
	46	POWER_SUPPLY_CHARGE_TYPE_FAST,
	47	};
	48
4a11b59d AV	49	enum {
	50	POWER_SUPPLY_HEALTH_UNKNOWN = 0,
	51	POWER_SUPPLY_HEALTH_GOOD,
	52	POWER_SUPPLY_HEALTH_OVERHEAT,
	53	POWER_SUPPLY_HEALTH_DEAD,
	54	POWER_SUPPLY_HEALTH_OVERVOLTAGE,
	55	POWER_SUPPLY_HEALTH_UNSPEC_FAILURE,
7e386e6e	56	POWER_SUPPLY_HEALTH_COLD,
a05be991 RP	57	POWER_SUPPLY_HEALTH_WATCHDOG_TIMER_EXPIRE,
a05be991 RP	58	POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE,
4a11b59d AV	59	};
	60
	61	enum {
	62	POWER_SUPPLY_TECHNOLOGY_UNKNOWN = 0,
	63	POWER_SUPPLY_TECHNOLOGY_NiMH,
	64	POWER_SUPPLY_TECHNOLOGY_LION,
	65	POWER_SUPPLY_TECHNOLOGY_LIPO,
	66	POWER_SUPPLY_TECHNOLOGY_LiFe,
	67	POWER_SUPPLY_TECHNOLOGY_NiCd,
c7cc930f	68	POWER_SUPPLY_TECHNOLOGY_LiMn,
4a11b59d AV	69	};
4a11b59d AV	70
b294a290 AS	71	enum {
	72	POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN = 0,
	73	POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL,
	74	POWER_SUPPLY_CAPACITY_LEVEL_LOW,
	75	POWER_SUPPLY_CAPACITY_LEVEL_NORMAL,
	76	POWER_SUPPLY_CAPACITY_LEVEL_HIGH,
	77	POWER_SUPPLY_CAPACITY_LEVEL_FULL,
	78	};
	79
25a0bc2d JF	80	enum {
	81	POWER_SUPPLY_SCOPE_UNKNOWN = 0,
	82	POWER_SUPPLY_SCOPE_SYSTEM,
	83	POWER_SUPPLY_SCOPE_DEVICE,
	84	};
	85
4a11b59d AV	86	enum power_supply_property {
	87	/* Properties of type `int' */
	88	POWER_SUPPLY_PROP_STATUS = 0,
ee8076ed	89	POWER_SUPPLY_PROP_CHARGE_TYPE,
4a11b59d AV	90	POWER_SUPPLY_PROP_HEALTH,
	91	POWER_SUPPLY_PROP_PRESENT,
	92	POWER_SUPPLY_PROP_ONLINE,
b1b56872	93	POWER_SUPPLY_PROP_AUTHENTIC,
4a11b59d	94	POWER_SUPPLY_PROP_TECHNOLOGY,
c955fe8e	95	POWER_SUPPLY_PROP_CYCLE_COUNT,
c7cc930f DB	96	POWER_SUPPLY_PROP_VOLTAGE_MAX,
c7cc930f DB	97	POWER_SUPPLY_PROP_VOLTAGE_MIN,
4a11b59d AV	98	POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
	99	POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
	100	POWER_SUPPLY_PROP_VOLTAGE_NOW,
	101	POWER_SUPPLY_PROP_VOLTAGE_AVG,
a2ebfe2f	102	POWER_SUPPLY_PROP_VOLTAGE_OCV,
a8adcc90	103	POWER_SUPPLY_PROP_VOLTAGE_BOOT,
fe3f6d09	104	POWER_SUPPLY_PROP_CURRENT_MAX,
4a11b59d AV	105	POWER_SUPPLY_PROP_CURRENT_NOW,
4a11b59d AV	106	POWER_SUPPLY_PROP_CURRENT_AVG,
a8adcc90	107	POWER_SUPPLY_PROP_CURRENT_BOOT,
7faa144a AS	108	POWER_SUPPLY_PROP_POWER_NOW,
7faa144a AS	109	POWER_SUPPLY_PROP_POWER_AVG,
4a11b59d AV	110	POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
	111	POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN,
	112	POWER_SUPPLY_PROP_CHARGE_FULL,
	113	POWER_SUPPLY_PROP_CHARGE_EMPTY,
	114	POWER_SUPPLY_PROP_CHARGE_NOW,
	115	POWER_SUPPLY_PROP_CHARGE_AVG,
8e552c36	116	POWER_SUPPLY_PROP_CHARGE_COUNTER,
3824c477	117	POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT,
2815b786	118	POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX,
3824c477	119	POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
2815b786	120	POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX,
ea2ce92e RP	121	POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT,
ea2ce92e RP	122	POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX,
6bb1d272	123	POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT,
4a11b59d AV	124	POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
	125	POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN,
	126	POWER_SUPPLY_PROP_ENERGY_FULL,
	127	POWER_SUPPLY_PROP_ENERGY_EMPTY,
	128	POWER_SUPPLY_PROP_ENERGY_NOW,
	129	POWER_SUPPLY_PROP_ENERGY_AVG,
	130	POWER_SUPPLY_PROP_CAPACITY, /* in percents! */
e908c418 RP	131	POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN, /* in percents! */
e908c418 RP	132	POWER_SUPPLY_PROP_CAPACITY_ALERT_MAX, /* in percents! */
b294a290	133	POWER_SUPPLY_PROP_CAPACITY_LEVEL,
4a11b59d	134	POWER_SUPPLY_PROP_TEMP,
6bb1d272 JT	135	POWER_SUPPLY_PROP_TEMP_MAX,
6bb1d272 JT	136	POWER_SUPPLY_PROP_TEMP_MIN,
e908c418 RP	137	POWER_SUPPLY_PROP_TEMP_ALERT_MIN,
e908c418 RP	138	POWER_SUPPLY_PROP_TEMP_ALERT_MAX,
4a11b59d	139	POWER_SUPPLY_PROP_TEMP_AMBIENT,
e908c418 RP	140	POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MIN,
e908c418 RP	141	POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MAX,
4a11b59d AV	142	POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW,
	143	POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
	144	POWER_SUPPLY_PROP_TIME_TO_FULL_NOW,
	145	POWER_SUPPLY_PROP_TIME_TO_FULL_AVG,
5f487cd3	146	POWER_SUPPLY_PROP_TYPE, /* use power_supply.type instead */
25a0bc2d	147	POWER_SUPPLY_PROP_SCOPE,
6bb1d272	148	POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT,
a8adcc90	149	POWER_SUPPLY_PROP_CALIBRATE,
4a11b59d AV	150	/* Properties of type `const char ' /
	151	POWER_SUPPLY_PROP_MODEL_NAME,
	152	POWER_SUPPLY_PROP_MANUFACTURER,
7c2670bb	153	POWER_SUPPLY_PROP_SERIAL_NUMBER,
4a11b59d AV	154	};
	155
	156	enum power_supply_type {
9b887227 KM	157	POWER_SUPPLY_TYPE_UNKNOWN = 0,
9b887227 KM	158	POWER_SUPPLY_TYPE_BATTERY,
4a11b59d AV	159	POWER_SUPPLY_TYPE_UPS,
4a11b59d AV	160	POWER_SUPPLY_TYPE_MAINS,
85efc8a1 HK	161	POWER_SUPPLY_TYPE_USB, /* Standard Downstream Port */
	162	POWER_SUPPLY_TYPE_USB_DCP, /* Dedicated Charging Port */
	163	POWER_SUPPLY_TYPE_USB_CDP, /* Charging Downstream Port */
	164	POWER_SUPPLY_TYPE_USB_ACA, /* Accessory Charger Adapters */
4a11b59d AV	165	};
4a11b59d AV	166
d36240d2 PR	167	enum power_supply_notifier_events {
	168	PSY_EVENT_PROP_CHANGED,
	169	};
	170
4a11b59d AV	171	union power_supply_propval {
	172	int intval;
	173	const char *strval;
	174	};
	175
3c5f8853	176	struct device;
b50df95c AV	177	struct device_node;
b50df95c AV	178
4a11b59d AV	179	struct power_supply {
	180	const char *name;
	181	enum power_supply_type type;
	182	enum power_supply_property *properties;
	183	size_t num_properties;
	184
	185	char **supplied_to;
	186	size_t num_supplicants;
	187
5e0848c6 RK	188	char **supplied_from;
5e0848c6 RK	189	size_t num_supplies;
f6e0b081	190	struct device_node *of_node;
5e0848c6	191
4a11b59d AV	192	int (get_property)(struct power_supply psy,
	193	enum power_supply_property psp,
	194	union power_supply_propval *val);
0011d2d4 DM	195	int (set_property)(struct power_supply psy,
	196	enum power_supply_property psp,
	197	const union power_supply_propval *val);
	198	int (property_is_writeable)(struct power_supply psy,
	199	enum power_supply_property psp);
4a11b59d	200	void (external_power_changed)(struct power_supply psy);
e5f5ccb6	201	void (set_charged)(struct power_supply psy);
4a11b59d	202
a69d82b9 KK	203	/*
	204	* Set if thermal zone should not be created for this power supply.
	205	* For example for virtual supplies forwarding calls to actual
	206	* sensors or other supplies.
	207	*/
	208	bool no_thermal;
4a11b59d AV	209	/* For APM emulation, think legacy userspace. */
	210	int use_for_apm;
	211
	212	/* private */
	213	struct device *dev;
	214	struct work_struct changed_work;
948dcf96 ZM	215	spinlock_t changed_lock;
948dcf96 ZM	216	bool changed;
3be330bf JT	217	#ifdef CONFIG_THERMAL
3be330bf JT	218	struct thermal_zone_device *tzd;
952aeeb3	219	struct thermal_cooling_device *tcd;
3be330bf	220	#endif
4a11b59d AV	221
	222	#ifdef CONFIG_LEDS_TRIGGERS
	223	struct led_trigger *charging_full_trig;
	224	char *charging_full_trig_name;
	225	struct led_trigger *charging_trig;
	226	char *charging_trig_name;
	227	struct led_trigger *full_trig;
	228	char *full_trig_name;
	229	struct led_trigger *online_trig;
	230	char *online_trig_name;
6501f728 VK	231	struct led_trigger *charging_blink_full_solid_trig;
6501f728 VK	232	char *charging_blink_full_solid_trig_name;
4a11b59d AV	233	#endif
	234	};
	235
	236	/*
	237	* This is recommended structure to specify static power supply parameters.
	238	* Generic one, parametrizable for different power supplies. Power supply
	239	* class itself does not use it, but that's what implementing most platform
	240	* drivers, should try reuse for consistency.
	241	*/
	242
	243	struct power_supply_info {
	244	const char *name;
	245	int technology;
	246	int voltage_max_design;
	247	int voltage_min_design;
	248	int charge_full_design;
	249	int charge_empty_design;
	250	int energy_full_design;
	251	int energy_empty_design;
	252	int use_for_apm;
	253	};
	254
d36240d2 PR	255	extern struct atomic_notifier_head power_supply_notifier;
	256	extern int power_supply_reg_notifier(struct notifier_block *nb);
	257	extern void power_supply_unreg_notifier(struct notifier_block *nb);
9f3b795a	258	extern struct power_supply power_supply_get_by_name(const char name);
abce9770 SR	259	#ifdef CONFIG_OF
	260	extern struct power_supply power_supply_get_by_phandle(struct device_node np,
	261	const char *property);
	262	#else /* !CONFIG_OF */
	263	static inline struct power_supply *
	264	power_supply_get_by_phandle(struct device_node np, const char property)
	265	{ return NULL; }
	266	#endif /* CONFIG_OF */
4a11b59d AV	267	extern void power_supply_changed(struct power_supply *psy);
4a11b59d AV	268	extern int power_supply_am_i_supplied(struct power_supply *psy);
e5f5ccb6	269	extern int power_supply_set_battery_charged(struct power_supply *psy);
4a11b59d	270
0d4ed4e2	271	#ifdef CONFIG_POWER_SUPPLY
942ed161 MG	272	extern int power_supply_is_system_supplied(void);
	273	#else
	274	static inline int power_supply_is_system_supplied(void) { return -ENOSYS; }
	275	#endif
	276
4a11b59d AV	277	extern int power_supply_register(struct device *parent,
4a11b59d AV	278	struct power_supply *psy);
9113e260 ZR	279	extern int power_supply_register_no_ws(struct device *parent,
9113e260 ZR	280	struct power_supply *psy);
4a11b59d	281	extern void power_supply_unregister(struct power_supply *psy);
83516651	282	extern int power_supply_powers(struct power_supply psy, struct device dev);
4a11b59d AV	283
	284	/* For APM emulation, think legacy userspace. */
	285	extern struct class *power_supply_class;
	286
51d07566 RK	287	static inline bool power_supply_is_amp_property(enum power_supply_property psp)
	288	{
	289	switch (psp) {
	290	case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
	291	case POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN:
	292	case POWER_SUPPLY_PROP_CHARGE_FULL:
	293	case POWER_SUPPLY_PROP_CHARGE_EMPTY:
	294	case POWER_SUPPLY_PROP_CHARGE_NOW:
	295	case POWER_SUPPLY_PROP_CHARGE_AVG:
	296	case POWER_SUPPLY_PROP_CHARGE_COUNTER:
3824c477	297	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
2815b786	298	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX:
51d07566 RK	299	case POWER_SUPPLY_PROP_CURRENT_MAX:
	300	case POWER_SUPPLY_PROP_CURRENT_NOW:
	301	case POWER_SUPPLY_PROP_CURRENT_AVG:
a8adcc90	302	case POWER_SUPPLY_PROP_CURRENT_BOOT:
51d07566 RK	303	return 1;
	304	default:
	305	break;
	306	}
	307
	308	return 0;
	309	}
	310
	311	static inline bool power_supply_is_watt_property(enum power_supply_property psp)
	312	{
	313	switch (psp) {
	314	case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:
	315	case POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN:
	316	case POWER_SUPPLY_PROP_ENERGY_FULL:
	317	case POWER_SUPPLY_PROP_ENERGY_EMPTY:
	318	case POWER_SUPPLY_PROP_ENERGY_NOW:
	319	case POWER_SUPPLY_PROP_ENERGY_AVG:
	320	case POWER_SUPPLY_PROP_VOLTAGE_MAX:
	321	case POWER_SUPPLY_PROP_VOLTAGE_MIN:
	322	case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
	323	case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
	324	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
	325	case POWER_SUPPLY_PROP_VOLTAGE_AVG:
a2ebfe2f	326	case POWER_SUPPLY_PROP_VOLTAGE_OCV:
a8adcc90	327	case POWER_SUPPLY_PROP_VOLTAGE_BOOT:
3824c477	328	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
2815b786	329	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX:
35c9d267	330	case POWER_SUPPLY_PROP_POWER_NOW:
51d07566 RK	331	return 1;
	332	default:
	333	break;
	334	}
	335
	336	return 0;
	337	}
	338
4a11b59d	339	#endif /* __LINUX_POWER_SUPPLY_H__ */