[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>

struct device;

/*
 * 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,
};

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_CURRENT_MAX,
	POWER_SUPPLY_PROP_CURRENT_NOW,
	POWER_SUPPLY_PROP_CURRENT_AVG,
	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_VOLTAGE,
	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_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,
	/* 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 */
};

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

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;

	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);

	/* For APM emulation, think legacy userspace. */
	int use_for_apm;

	/* private */
	struct device *dev;
	struct work_struct changed_work;
#ifdef CONFIG_THERMAL
	struct thermal_zone_device *tzd;
#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 power_supply *power_supply_get_by_name(char *name);
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 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_CURRENT_MAX:
	case POWER_SUPPLY_PROP_CURRENT_NOW:
	case POWER_SUPPLY_PROP_CURRENT_AVG:
		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_CONSTANT_CHARGE_VOLTAGE:
	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>
	17	#include <linux/leds.h>
	18
313162d0 PG	19	struct device;
313162d0 PG	20
4a11b59d AV	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,
4a11b59d AV	57	};
	58
	59	enum {
	60	POWER_SUPPLY_TECHNOLOGY_UNKNOWN = 0,
	61	POWER_SUPPLY_TECHNOLOGY_NiMH,
	62	POWER_SUPPLY_TECHNOLOGY_LION,
	63	POWER_SUPPLY_TECHNOLOGY_LIPO,
	64	POWER_SUPPLY_TECHNOLOGY_LiFe,
	65	POWER_SUPPLY_TECHNOLOGY_NiCd,
c7cc930f	66	POWER_SUPPLY_TECHNOLOGY_LiMn,
4a11b59d AV	67	};
4a11b59d AV	68
b294a290 AS	69	enum {
	70	POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN = 0,
	71	POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL,
	72	POWER_SUPPLY_CAPACITY_LEVEL_LOW,
	73	POWER_SUPPLY_CAPACITY_LEVEL_NORMAL,
	74	POWER_SUPPLY_CAPACITY_LEVEL_HIGH,
	75	POWER_SUPPLY_CAPACITY_LEVEL_FULL,
	76	};
	77
25a0bc2d JF	78	enum {
	79	POWER_SUPPLY_SCOPE_UNKNOWN = 0,
	80	POWER_SUPPLY_SCOPE_SYSTEM,
	81	POWER_SUPPLY_SCOPE_DEVICE,
	82	};
	83
4a11b59d AV	84	enum power_supply_property {
	85	/* Properties of type `int' */
	86	POWER_SUPPLY_PROP_STATUS = 0,
ee8076ed	87	POWER_SUPPLY_PROP_CHARGE_TYPE,
4a11b59d AV	88	POWER_SUPPLY_PROP_HEALTH,
	89	POWER_SUPPLY_PROP_PRESENT,
	90	POWER_SUPPLY_PROP_ONLINE,
b1b56872	91	POWER_SUPPLY_PROP_AUTHENTIC,
4a11b59d	92	POWER_SUPPLY_PROP_TECHNOLOGY,
c955fe8e	93	POWER_SUPPLY_PROP_CYCLE_COUNT,
c7cc930f DB	94	POWER_SUPPLY_PROP_VOLTAGE_MAX,
c7cc930f DB	95	POWER_SUPPLY_PROP_VOLTAGE_MIN,
4a11b59d AV	96	POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
	97	POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
	98	POWER_SUPPLY_PROP_VOLTAGE_NOW,
	99	POWER_SUPPLY_PROP_VOLTAGE_AVG,
a2ebfe2f	100	POWER_SUPPLY_PROP_VOLTAGE_OCV,
fe3f6d09	101	POWER_SUPPLY_PROP_CURRENT_MAX,
4a11b59d AV	102	POWER_SUPPLY_PROP_CURRENT_NOW,
4a11b59d AV	103	POWER_SUPPLY_PROP_CURRENT_AVG,
7faa144a AS	104	POWER_SUPPLY_PROP_POWER_NOW,
7faa144a AS	105	POWER_SUPPLY_PROP_POWER_AVG,
4a11b59d AV	106	POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
	107	POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN,
	108	POWER_SUPPLY_PROP_CHARGE_FULL,
	109	POWER_SUPPLY_PROP_CHARGE_EMPTY,
	110	POWER_SUPPLY_PROP_CHARGE_NOW,
	111	POWER_SUPPLY_PROP_CHARGE_AVG,
8e552c36	112	POWER_SUPPLY_PROP_CHARGE_COUNTER,
3824c477 RP	113	POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT,
3824c477 RP	114	POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
4a11b59d AV	115	POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
	116	POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN,
	117	POWER_SUPPLY_PROP_ENERGY_FULL,
	118	POWER_SUPPLY_PROP_ENERGY_EMPTY,
	119	POWER_SUPPLY_PROP_ENERGY_NOW,
	120	POWER_SUPPLY_PROP_ENERGY_AVG,
	121	POWER_SUPPLY_PROP_CAPACITY, /* in percents! */
e908c418 RP	122	POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN, /* in percents! */
e908c418 RP	123	POWER_SUPPLY_PROP_CAPACITY_ALERT_MAX, /* in percents! */
b294a290	124	POWER_SUPPLY_PROP_CAPACITY_LEVEL,
4a11b59d	125	POWER_SUPPLY_PROP_TEMP,
e908c418 RP	126	POWER_SUPPLY_PROP_TEMP_ALERT_MIN,
e908c418 RP	127	POWER_SUPPLY_PROP_TEMP_ALERT_MAX,
4a11b59d	128	POWER_SUPPLY_PROP_TEMP_AMBIENT,
e908c418 RP	129	POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MIN,
e908c418 RP	130	POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MAX,
4a11b59d AV	131	POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW,
	132	POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
	133	POWER_SUPPLY_PROP_TIME_TO_FULL_NOW,
	134	POWER_SUPPLY_PROP_TIME_TO_FULL_AVG,
5f487cd3	135	POWER_SUPPLY_PROP_TYPE, /* use power_supply.type instead */
25a0bc2d	136	POWER_SUPPLY_PROP_SCOPE,
4a11b59d AV	137	/* Properties of type `const char ' /
	138	POWER_SUPPLY_PROP_MODEL_NAME,
	139	POWER_SUPPLY_PROP_MANUFACTURER,
7c2670bb	140	POWER_SUPPLY_PROP_SERIAL_NUMBER,
4a11b59d AV	141	};
	142
	143	enum power_supply_type {
9b887227 KM	144	POWER_SUPPLY_TYPE_UNKNOWN = 0,
9b887227 KM	145	POWER_SUPPLY_TYPE_BATTERY,
4a11b59d AV	146	POWER_SUPPLY_TYPE_UPS,
4a11b59d AV	147	POWER_SUPPLY_TYPE_MAINS,
85efc8a1 HK	148	POWER_SUPPLY_TYPE_USB, /* Standard Downstream Port */
	149	POWER_SUPPLY_TYPE_USB_DCP, /* Dedicated Charging Port */
	150	POWER_SUPPLY_TYPE_USB_CDP, /* Charging Downstream Port */
	151	POWER_SUPPLY_TYPE_USB_ACA, /* Accessory Charger Adapters */
4a11b59d AV	152	};
	153
	154	union power_supply_propval {
	155	int intval;
	156	const char *strval;
	157	};
	158
	159	struct power_supply {
	160	const char *name;
	161	enum power_supply_type type;
	162	enum power_supply_property *properties;
	163	size_t num_properties;
	164
	165	char **supplied_to;
	166	size_t num_supplicants;
	167
	168	int (get_property)(struct power_supply psy,
	169	enum power_supply_property psp,
	170	union power_supply_propval *val);
0011d2d4 DM	171	int (set_property)(struct power_supply psy,
	172	enum power_supply_property psp,
	173	const union power_supply_propval *val);
	174	int (property_is_writeable)(struct power_supply psy,
	175	enum power_supply_property psp);
4a11b59d	176	void (external_power_changed)(struct power_supply psy);
e5f5ccb6	177	void (set_charged)(struct power_supply psy);
4a11b59d AV	178
	179	/* For APM emulation, think legacy userspace. */
	180	int use_for_apm;
	181
	182	/* private */
	183	struct device *dev;
	184	struct work_struct changed_work;
3be330bf JT	185	#ifdef CONFIG_THERMAL
	186	struct thermal_zone_device *tzd;
	187	#endif
4a11b59d AV	188
	189	#ifdef CONFIG_LEDS_TRIGGERS
	190	struct led_trigger *charging_full_trig;
	191	char *charging_full_trig_name;
	192	struct led_trigger *charging_trig;
	193	char *charging_trig_name;
	194	struct led_trigger *full_trig;
	195	char *full_trig_name;
	196	struct led_trigger *online_trig;
	197	char *online_trig_name;
6501f728 VK	198	struct led_trigger *charging_blink_full_solid_trig;
6501f728 VK	199	char *charging_blink_full_solid_trig_name;
4a11b59d AV	200	#endif
	201	};
	202
	203	/*
	204	* This is recommended structure to specify static power supply parameters.
	205	* Generic one, parametrizable for different power supplies. Power supply
	206	* class itself does not use it, but that's what implementing most platform
	207	* drivers, should try reuse for consistency.
	208	*/
	209
	210	struct power_supply_info {
	211	const char *name;
	212	int technology;
	213	int voltage_max_design;
	214	int voltage_min_design;
	215	int charge_full_design;
	216	int charge_empty_design;
	217	int energy_full_design;
	218	int energy_empty_design;
	219	int use_for_apm;
	220	};
	221
e5f5ccb6	222	extern struct power_supply power_supply_get_by_name(char name);
4a11b59d AV	223	extern void power_supply_changed(struct power_supply *psy);
4a11b59d AV	224	extern int power_supply_am_i_supplied(struct power_supply *psy);
e5f5ccb6	225	extern int power_supply_set_battery_charged(struct power_supply *psy);
4a11b59d	226
0d4ed4e2	227	#ifdef CONFIG_POWER_SUPPLY
942ed161 MG	228	extern int power_supply_is_system_supplied(void);
	229	#else
	230	static inline int power_supply_is_system_supplied(void) { return -ENOSYS; }
	231	#endif
	232
4a11b59d AV	233	extern int power_supply_register(struct device *parent,
	234	struct power_supply *psy);
	235	extern void power_supply_unregister(struct power_supply *psy);
83516651	236	extern int power_supply_powers(struct power_supply psy, struct device dev);
4a11b59d AV	237
	238	/* For APM emulation, think legacy userspace. */
	239	extern struct class *power_supply_class;
	240
51d07566 RK	241	static inline bool power_supply_is_amp_property(enum power_supply_property psp)
	242	{
	243	switch (psp) {
	244	case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
	245	case POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN:
	246	case POWER_SUPPLY_PROP_CHARGE_FULL:
	247	case POWER_SUPPLY_PROP_CHARGE_EMPTY:
	248	case POWER_SUPPLY_PROP_CHARGE_NOW:
	249	case POWER_SUPPLY_PROP_CHARGE_AVG:
	250	case POWER_SUPPLY_PROP_CHARGE_COUNTER:
3824c477	251	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
51d07566 RK	252	case POWER_SUPPLY_PROP_CURRENT_MAX:
	253	case POWER_SUPPLY_PROP_CURRENT_NOW:
	254	case POWER_SUPPLY_PROP_CURRENT_AVG:
	255	return 1;
	256	default:
	257	break;
	258	}
	259
	260	return 0;
	261	}
	262
	263	static inline bool power_supply_is_watt_property(enum power_supply_property psp)
	264	{
	265	switch (psp) {
	266	case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:
	267	case POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN:
	268	case POWER_SUPPLY_PROP_ENERGY_FULL:
	269	case POWER_SUPPLY_PROP_ENERGY_EMPTY:
	270	case POWER_SUPPLY_PROP_ENERGY_NOW:
	271	case POWER_SUPPLY_PROP_ENERGY_AVG:
	272	case POWER_SUPPLY_PROP_VOLTAGE_MAX:
	273	case POWER_SUPPLY_PROP_VOLTAGE_MIN:
	274	case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
	275	case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
	276	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
	277	case POWER_SUPPLY_PROP_VOLTAGE_AVG:
a2ebfe2f	278	case POWER_SUPPLY_PROP_VOLTAGE_OCV:
3824c477	279	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
35c9d267	280	case POWER_SUPPLY_PROP_POWER_NOW:
51d07566 RK	281	return 1;
	282	default:
	283	break;
	284	}
	285
	286	return 0;
	287	}
	288
4a11b59d	289	#endif /* __LINUX_POWER_SUPPLY_H__ */