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13#ifndef __LINUX_POWER_SUPPLY_H__
14#define __LINUX_POWER_SUPPLY_H__
15
16#include <linux/device.h>
17#include <linux/workqueue.h>
18#include <linux/leds.h>
19
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32
33enum {
34 POWER_SUPPLY_STATUS_UNKNOWN = 0,
35 POWER_SUPPLY_STATUS_CHARGING,
36 POWER_SUPPLY_STATUS_DISCHARGING,
37 POWER_SUPPLY_STATUS_NOT_CHARGING,
38 POWER_SUPPLY_STATUS_FULL,
39};
40
41enum {
42 POWER_SUPPLY_CHARGE_TYPE_UNKNOWN = 0,
43 POWER_SUPPLY_CHARGE_TYPE_NONE,
44 POWER_SUPPLY_CHARGE_TYPE_TRICKLE,
45 POWER_SUPPLY_CHARGE_TYPE_FAST,
46};
47
48enum {
49 POWER_SUPPLY_HEALTH_UNKNOWN = 0,
50 POWER_SUPPLY_HEALTH_GOOD,
51 POWER_SUPPLY_HEALTH_OVERHEAT,
52 POWER_SUPPLY_HEALTH_DEAD,
53 POWER_SUPPLY_HEALTH_OVERVOLTAGE,
54 POWER_SUPPLY_HEALTH_UNSPEC_FAILURE,
55 POWER_SUPPLY_HEALTH_COLD,
56};
57
58enum {
59 POWER_SUPPLY_TECHNOLOGY_UNKNOWN = 0,
60 POWER_SUPPLY_TECHNOLOGY_NiMH,
61 POWER_SUPPLY_TECHNOLOGY_LION,
62 POWER_SUPPLY_TECHNOLOGY_LIPO,
63 POWER_SUPPLY_TECHNOLOGY_LiFe,
64 POWER_SUPPLY_TECHNOLOGY_NiCd,
65 POWER_SUPPLY_TECHNOLOGY_LiMn,
66};
67
68enum {
69 POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN = 0,
70 POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL,
71 POWER_SUPPLY_CAPACITY_LEVEL_LOW,
72 POWER_SUPPLY_CAPACITY_LEVEL_NORMAL,
73 POWER_SUPPLY_CAPACITY_LEVEL_HIGH,
74 POWER_SUPPLY_CAPACITY_LEVEL_FULL,
75};
76
77enum power_supply_property {
78
79 POWER_SUPPLY_PROP_STATUS = 0,
80 POWER_SUPPLY_PROP_CHARGE_TYPE,
81 POWER_SUPPLY_PROP_HEALTH,
82 POWER_SUPPLY_PROP_PRESENT,
83 POWER_SUPPLY_PROP_ONLINE,
84 POWER_SUPPLY_PROP_TECHNOLOGY,
85 POWER_SUPPLY_PROP_VOLTAGE_MAX,
86 POWER_SUPPLY_PROP_VOLTAGE_MIN,
87 POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
88 POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
89 POWER_SUPPLY_PROP_VOLTAGE_NOW,
90 POWER_SUPPLY_PROP_VOLTAGE_AVG,
91 POWER_SUPPLY_PROP_CURRENT_NOW,
92 POWER_SUPPLY_PROP_CURRENT_AVG,
93 POWER_SUPPLY_PROP_POWER_NOW,
94 POWER_SUPPLY_PROP_POWER_AVG,
95 POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
96 POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN,
97 POWER_SUPPLY_PROP_CHARGE_FULL,
98 POWER_SUPPLY_PROP_CHARGE_EMPTY,
99 POWER_SUPPLY_PROP_CHARGE_NOW,
100 POWER_SUPPLY_PROP_CHARGE_AVG,
101 POWER_SUPPLY_PROP_CHARGE_COUNTER,
102 POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
103 POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN,
104 POWER_SUPPLY_PROP_ENERGY_FULL,
105 POWER_SUPPLY_PROP_ENERGY_EMPTY,
106 POWER_SUPPLY_PROP_ENERGY_NOW,
107 POWER_SUPPLY_PROP_ENERGY_AVG,
108 POWER_SUPPLY_PROP_CAPACITY,
109 POWER_SUPPLY_PROP_CAPACITY_LEVEL,
110 POWER_SUPPLY_PROP_TEMP,
111 POWER_SUPPLY_PROP_TEMP_AMBIENT,
112 POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW,
113 POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
114 POWER_SUPPLY_PROP_TIME_TO_FULL_NOW,
115 POWER_SUPPLY_PROP_TIME_TO_FULL_AVG,
116
117 POWER_SUPPLY_PROP_MODEL_NAME,
118 POWER_SUPPLY_PROP_MANUFACTURER,
119 POWER_SUPPLY_PROP_SERIAL_NUMBER,
120};
121
122enum power_supply_type {
123 POWER_SUPPLY_TYPE_BATTERY = 0,
124 POWER_SUPPLY_TYPE_UPS,
125 POWER_SUPPLY_TYPE_MAINS,
126 POWER_SUPPLY_TYPE_USB,
127};
128
129union power_supply_propval {
130 int intval;
131 const char *strval;
132};
133
134struct power_supply {
135 const char *name;
136 enum power_supply_type type;
137 enum power_supply_property *properties;
138 size_t num_properties;
139
140 char **supplied_to;
141 size_t num_supplicants;
142
143 int (*get_property)(struct power_supply *psy,
144 enum power_supply_property psp,
145 union power_supply_propval *val);
146 void (*external_power_changed)(struct power_supply *psy);
147 void (*set_charged)(struct power_supply *psy);
148
149
150 int use_for_apm;
151
152
153 struct device *dev;
154 struct work_struct changed_work;
155
156#ifdef CONFIG_LEDS_TRIGGERS
157 struct led_trigger *charging_full_trig;
158 char *charging_full_trig_name;
159 struct led_trigger *charging_trig;
160 char *charging_trig_name;
161 struct led_trigger *full_trig;
162 char *full_trig_name;
163 struct led_trigger *online_trig;
164 char *online_trig_name;
165#endif
166};
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174
175struct power_supply_info {
176 const char *name;
177 int technology;
178 int voltage_max_design;
179 int voltage_min_design;
180 int charge_full_design;
181 int charge_empty_design;
182 int energy_full_design;
183 int energy_empty_design;
184 int use_for_apm;
185};
186
187extern struct power_supply *power_supply_get_by_name(char *name);
188extern void power_supply_changed(struct power_supply *psy);
189extern int power_supply_am_i_supplied(struct power_supply *psy);
190extern int power_supply_set_battery_charged(struct power_supply *psy);
191
192#if defined(CONFIG_POWER_SUPPLY) || defined(CONFIG_POWER_SUPPLY_MODULE)
193extern int power_supply_is_system_supplied(void);
194#else
195static inline int power_supply_is_system_supplied(void) { return -ENOSYS; }
196#endif
197
198extern int power_supply_register(struct device *parent,
199 struct power_supply *psy);
200extern void power_supply_unregister(struct power_supply *psy);
201
202
203extern struct class *power_supply_class;
204
205#endif
206