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a63a5fa9 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
4a11b59d AV |
2 | /* |
3 | * Universal power supply monitor class | |
4 | * | |
5 | * Copyright © 2007 Anton Vorontsov <cbou@mail.ru> | |
6 | * Copyright © 2004 Szabolcs Gyurko | |
7 | * Copyright © 2003 Ian Molton <spyro@f2s.com> | |
8 | * | |
9 | * Modified: 2004, Oct Szabolcs Gyurko | |
4a11b59d AV |
10 | */ |
11 | ||
12 | #ifndef __LINUX_POWER_SUPPLY_H__ | |
13 | #define __LINUX_POWER_SUPPLY_H__ | |
14 | ||
297d716f | 15 | #include <linux/device.h> |
4a11b59d AV |
16 | #include <linux/workqueue.h> |
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 | ||
ba6cc850 | 42 | /* What algorithm is the charger using? */ |
ee8076ed AS |
43 | enum { |
44 | POWER_SUPPLY_CHARGE_TYPE_UNKNOWN = 0, | |
45 | POWER_SUPPLY_CHARGE_TYPE_NONE, | |
ba6cc850 NC |
46 | POWER_SUPPLY_CHARGE_TYPE_TRICKLE, /* slow speed */ |
47 | POWER_SUPPLY_CHARGE_TYPE_FAST, /* fast speed */ | |
48 | POWER_SUPPLY_CHARGE_TYPE_STANDARD, /* normal speed */ | |
49 | POWER_SUPPLY_CHARGE_TYPE_ADAPTIVE, /* dynamically adjusted speed */ | |
50 | POWER_SUPPLY_CHARGE_TYPE_CUSTOM, /* use CHARGE_CONTROL_* props */ | |
ee8076ed AS |
51 | }; |
52 | ||
4a11b59d AV |
53 | enum { |
54 | POWER_SUPPLY_HEALTH_UNKNOWN = 0, | |
55 | POWER_SUPPLY_HEALTH_GOOD, | |
56 | POWER_SUPPLY_HEALTH_OVERHEAT, | |
57 | POWER_SUPPLY_HEALTH_DEAD, | |
58 | POWER_SUPPLY_HEALTH_OVERVOLTAGE, | |
59 | POWER_SUPPLY_HEALTH_UNSPEC_FAILURE, | |
7e386e6e | 60 | POWER_SUPPLY_HEALTH_COLD, |
a05be991 RP |
61 | POWER_SUPPLY_HEALTH_WATCHDOG_TIMER_EXPIRE, |
62 | POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE, | |
e3e83cc6 | 63 | POWER_SUPPLY_HEALTH_OVERCURRENT, |
4a11b59d AV |
64 | }; |
65 | ||
66 | enum { | |
67 | POWER_SUPPLY_TECHNOLOGY_UNKNOWN = 0, | |
68 | POWER_SUPPLY_TECHNOLOGY_NiMH, | |
69 | POWER_SUPPLY_TECHNOLOGY_LION, | |
70 | POWER_SUPPLY_TECHNOLOGY_LIPO, | |
71 | POWER_SUPPLY_TECHNOLOGY_LiFe, | |
72 | POWER_SUPPLY_TECHNOLOGY_NiCd, | |
c7cc930f | 73 | POWER_SUPPLY_TECHNOLOGY_LiMn, |
4a11b59d AV |
74 | }; |
75 | ||
b294a290 AS |
76 | enum { |
77 | POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN = 0, | |
78 | POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL, | |
79 | POWER_SUPPLY_CAPACITY_LEVEL_LOW, | |
80 | POWER_SUPPLY_CAPACITY_LEVEL_NORMAL, | |
81 | POWER_SUPPLY_CAPACITY_LEVEL_HIGH, | |
82 | POWER_SUPPLY_CAPACITY_LEVEL_FULL, | |
83 | }; | |
84 | ||
25a0bc2d JF |
85 | enum { |
86 | POWER_SUPPLY_SCOPE_UNKNOWN = 0, | |
87 | POWER_SUPPLY_SCOPE_SYSTEM, | |
88 | POWER_SUPPLY_SCOPE_DEVICE, | |
89 | }; | |
90 | ||
4a11b59d AV |
91 | enum power_supply_property { |
92 | /* Properties of type `int' */ | |
93 | POWER_SUPPLY_PROP_STATUS = 0, | |
ee8076ed | 94 | POWER_SUPPLY_PROP_CHARGE_TYPE, |
4a11b59d AV |
95 | POWER_SUPPLY_PROP_HEALTH, |
96 | POWER_SUPPLY_PROP_PRESENT, | |
97 | POWER_SUPPLY_PROP_ONLINE, | |
b1b56872 | 98 | POWER_SUPPLY_PROP_AUTHENTIC, |
4a11b59d | 99 | POWER_SUPPLY_PROP_TECHNOLOGY, |
c955fe8e | 100 | POWER_SUPPLY_PROP_CYCLE_COUNT, |
c7cc930f DES |
101 | POWER_SUPPLY_PROP_VOLTAGE_MAX, |
102 | POWER_SUPPLY_PROP_VOLTAGE_MIN, | |
4a11b59d AV |
103 | POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN, |
104 | POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, | |
105 | POWER_SUPPLY_PROP_VOLTAGE_NOW, | |
106 | POWER_SUPPLY_PROP_VOLTAGE_AVG, | |
a2ebfe2f | 107 | POWER_SUPPLY_PROP_VOLTAGE_OCV, |
a8adcc90 | 108 | POWER_SUPPLY_PROP_VOLTAGE_BOOT, |
fe3f6d09 | 109 | POWER_SUPPLY_PROP_CURRENT_MAX, |
4a11b59d AV |
110 | POWER_SUPPLY_PROP_CURRENT_NOW, |
111 | POWER_SUPPLY_PROP_CURRENT_AVG, | |
a8adcc90 | 112 | POWER_SUPPLY_PROP_CURRENT_BOOT, |
7faa144a AS |
113 | POWER_SUPPLY_PROP_POWER_NOW, |
114 | POWER_SUPPLY_PROP_POWER_AVG, | |
4a11b59d AV |
115 | POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, |
116 | POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN, | |
117 | POWER_SUPPLY_PROP_CHARGE_FULL, | |
118 | POWER_SUPPLY_PROP_CHARGE_EMPTY, | |
119 | POWER_SUPPLY_PROP_CHARGE_NOW, | |
120 | POWER_SUPPLY_PROP_CHARGE_AVG, | |
8e552c36 | 121 | POWER_SUPPLY_PROP_CHARGE_COUNTER, |
3824c477 | 122 | POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT, |
2815b786 | 123 | POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX, |
3824c477 | 124 | POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE, |
2815b786 | 125 | POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX, |
ea2ce92e RP |
126 | POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT, |
127 | POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX, | |
813cab8f NC |
128 | POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD, /* in percents! */ |
129 | POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD, /* in percents! */ | |
6bb1d272 | 130 | POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT, |
4a11b59d AV |
131 | POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN, |
132 | POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN, | |
133 | POWER_SUPPLY_PROP_ENERGY_FULL, | |
134 | POWER_SUPPLY_PROP_ENERGY_EMPTY, | |
135 | POWER_SUPPLY_PROP_ENERGY_NOW, | |
136 | POWER_SUPPLY_PROP_ENERGY_AVG, | |
137 | POWER_SUPPLY_PROP_CAPACITY, /* in percents! */ | |
e908c418 RP |
138 | POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN, /* in percents! */ |
139 | POWER_SUPPLY_PROP_CAPACITY_ALERT_MAX, /* in percents! */ | |
b294a290 | 140 | POWER_SUPPLY_PROP_CAPACITY_LEVEL, |
4a11b59d | 141 | POWER_SUPPLY_PROP_TEMP, |
6bb1d272 JT |
142 | POWER_SUPPLY_PROP_TEMP_MAX, |
143 | POWER_SUPPLY_PROP_TEMP_MIN, | |
e908c418 RP |
144 | POWER_SUPPLY_PROP_TEMP_ALERT_MIN, |
145 | POWER_SUPPLY_PROP_TEMP_ALERT_MAX, | |
4a11b59d | 146 | POWER_SUPPLY_PROP_TEMP_AMBIENT, |
e908c418 RP |
147 | POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MIN, |
148 | POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MAX, | |
4a11b59d AV |
149 | POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW, |
150 | POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG, | |
151 | POWER_SUPPLY_PROP_TIME_TO_FULL_NOW, | |
152 | POWER_SUPPLY_PROP_TIME_TO_FULL_AVG, | |
5f487cd3 | 153 | POWER_SUPPLY_PROP_TYPE, /* use power_supply.type instead */ |
cf450041 | 154 | POWER_SUPPLY_PROP_USB_TYPE, |
25a0bc2d | 155 | POWER_SUPPLY_PROP_SCOPE, |
413de34a | 156 | POWER_SUPPLY_PROP_PRECHARGE_CURRENT, |
6bb1d272 | 157 | POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT, |
a8adcc90 | 158 | POWER_SUPPLY_PROP_CALIBRATE, |
4a11b59d AV |
159 | /* Properties of type `const char *' */ |
160 | POWER_SUPPLY_PROP_MODEL_NAME, | |
161 | POWER_SUPPLY_PROP_MANUFACTURER, | |
7c2670bb | 162 | POWER_SUPPLY_PROP_SERIAL_NUMBER, |
4a11b59d AV |
163 | }; |
164 | ||
165 | enum power_supply_type { | |
9b887227 KM |
166 | POWER_SUPPLY_TYPE_UNKNOWN = 0, |
167 | POWER_SUPPLY_TYPE_BATTERY, | |
4a11b59d AV |
168 | POWER_SUPPLY_TYPE_UPS, |
169 | POWER_SUPPLY_TYPE_MAINS, | |
71399aa5 BL |
170 | POWER_SUPPLY_TYPE_USB, /* Standard Downstream Port */ |
171 | POWER_SUPPLY_TYPE_USB_DCP, /* Dedicated Charging Port */ | |
172 | POWER_SUPPLY_TYPE_USB_CDP, /* Charging Downstream Port */ | |
173 | POWER_SUPPLY_TYPE_USB_ACA, /* Accessory Charger Adapters */ | |
174 | POWER_SUPPLY_TYPE_USB_TYPE_C, /* Type C Port */ | |
175 | POWER_SUPPLY_TYPE_USB_PD, /* Power Delivery Port */ | |
176 | POWER_SUPPLY_TYPE_USB_PD_DRP, /* PD Dual Role Port */ | |
177 | POWER_SUPPLY_TYPE_APPLE_BRICK_ID, /* Apple Charging Method */ | |
4a11b59d AV |
178 | }; |
179 | ||
cf450041 AT |
180 | enum power_supply_usb_type { |
181 | POWER_SUPPLY_USB_TYPE_UNKNOWN = 0, | |
182 | POWER_SUPPLY_USB_TYPE_SDP, /* Standard Downstream Port */ | |
183 | POWER_SUPPLY_USB_TYPE_DCP, /* Dedicated Charging Port */ | |
184 | POWER_SUPPLY_USB_TYPE_CDP, /* Charging Downstream Port */ | |
185 | POWER_SUPPLY_USB_TYPE_ACA, /* Accessory Charger Adapters */ | |
186 | POWER_SUPPLY_USB_TYPE_C, /* Type C Port */ | |
187 | POWER_SUPPLY_USB_TYPE_PD, /* Power Delivery Port */ | |
188 | POWER_SUPPLY_USB_TYPE_PD_DRP, /* PD Dual Role Port */ | |
189 | POWER_SUPPLY_USB_TYPE_PD_PPS, /* PD Programmable Power Supply */ | |
190 | POWER_SUPPLY_USB_TYPE_APPLE_BRICK_ID, /* Apple Charging Method */ | |
191 | }; | |
192 | ||
d36240d2 PR |
193 | enum power_supply_notifier_events { |
194 | PSY_EVENT_PROP_CHANGED, | |
195 | }; | |
196 | ||
4a11b59d AV |
197 | union power_supply_propval { |
198 | int intval; | |
199 | const char *strval; | |
200 | }; | |
201 | ||
b50df95c | 202 | struct device_node; |
297d716f | 203 | struct power_supply; |
b50df95c | 204 | |
297d716f | 205 | /* Run-time specific power supply configuration */ |
2dc9215d KK |
206 | struct power_supply_config { |
207 | struct device_node *of_node; | |
ece711b5 AT |
208 | struct fwnode_handle *fwnode; |
209 | ||
2dc9215d KK |
210 | /* Driver private data */ |
211 | void *drv_data; | |
212 | ||
cef8fe6a SR |
213 | /* Device specific sysfs attributes */ |
214 | const struct attribute_group **attr_grp; | |
215 | ||
2dc9215d KK |
216 | char **supplied_to; |
217 | size_t num_supplicants; | |
218 | }; | |
219 | ||
297d716f KK |
220 | /* Description of power supply */ |
221 | struct power_supply_desc { | |
4a11b59d AV |
222 | const char *name; |
223 | enum power_supply_type type; | |
cf450041 AT |
224 | enum power_supply_usb_type *usb_types; |
225 | size_t num_usb_types; | |
4a11b59d AV |
226 | enum power_supply_property *properties; |
227 | size_t num_properties; | |
228 | ||
bc154056 KK |
229 | /* |
230 | * Functions for drivers implementing power supply class. | |
231 | * These shouldn't be called directly by other drivers for accessing | |
232 | * this power supply. Instead use power_supply_*() functions (for | |
233 | * example power_supply_get_property()). | |
234 | */ | |
4a11b59d AV |
235 | int (*get_property)(struct power_supply *psy, |
236 | enum power_supply_property psp, | |
237 | union power_supply_propval *val); | |
0011d2d4 DM |
238 | int (*set_property)(struct power_supply *psy, |
239 | enum power_supply_property psp, | |
240 | const union power_supply_propval *val); | |
5c6e3a97 KK |
241 | /* |
242 | * property_is_writeable() will be called during registration | |
243 | * of power supply. If this happens during device probe then it must | |
244 | * not access internal data of device (because probe did not end). | |
245 | */ | |
0011d2d4 DM |
246 | int (*property_is_writeable)(struct power_supply *psy, |
247 | enum power_supply_property psp); | |
4a11b59d | 248 | void (*external_power_changed)(struct power_supply *psy); |
e5f5ccb6 | 249 | void (*set_charged)(struct power_supply *psy); |
4a11b59d | 250 | |
a69d82b9 KK |
251 | /* |
252 | * Set if thermal zone should not be created for this power supply. | |
253 | * For example for virtual supplies forwarding calls to actual | |
254 | * sensors or other supplies. | |
255 | */ | |
256 | bool no_thermal; | |
4a11b59d AV |
257 | /* For APM emulation, think legacy userspace. */ |
258 | int use_for_apm; | |
297d716f KK |
259 | }; |
260 | ||
261 | struct power_supply { | |
262 | const struct power_supply_desc *desc; | |
263 | ||
264 | char **supplied_to; | |
265 | size_t num_supplicants; | |
266 | ||
267 | char **supplied_from; | |
268 | size_t num_supplies; | |
269 | struct device_node *of_node; | |
4a11b59d | 270 | |
e44ea364 KK |
271 | /* Driver private data */ |
272 | void *drv_data; | |
273 | ||
4a11b59d | 274 | /* private */ |
297d716f | 275 | struct device dev; |
4a11b59d | 276 | struct work_struct changed_work; |
7f1a57fd | 277 | struct delayed_work deferred_register_work; |
948dcf96 ZM |
278 | spinlock_t changed_lock; |
279 | bool changed; | |
e3805385 | 280 | bool initialized; |
3ffa6583 | 281 | bool removing; |
bc154056 | 282 | atomic_t use_cnt; |
3be330bf JT |
283 | #ifdef CONFIG_THERMAL |
284 | struct thermal_zone_device *tzd; | |
952aeeb3 | 285 | struct thermal_cooling_device *tcd; |
3be330bf | 286 | #endif |
4a11b59d AV |
287 | |
288 | #ifdef CONFIG_LEDS_TRIGGERS | |
289 | struct led_trigger *charging_full_trig; | |
290 | char *charging_full_trig_name; | |
291 | struct led_trigger *charging_trig; | |
292 | char *charging_trig_name; | |
293 | struct led_trigger *full_trig; | |
294 | char *full_trig_name; | |
295 | struct led_trigger *online_trig; | |
296 | char *online_trig_name; | |
6501f728 VK |
297 | struct led_trigger *charging_blink_full_solid_trig; |
298 | char *charging_blink_full_solid_trig_name; | |
4a11b59d AV |
299 | #endif |
300 | }; | |
301 | ||
302 | /* | |
303 | * This is recommended structure to specify static power supply parameters. | |
304 | * Generic one, parametrizable for different power supplies. Power supply | |
305 | * class itself does not use it, but that's what implementing most platform | |
306 | * drivers, should try reuse for consistency. | |
307 | */ | |
308 | ||
309 | struct power_supply_info { | |
310 | const char *name; | |
311 | int technology; | |
312 | int voltage_max_design; | |
313 | int voltage_min_design; | |
314 | int charge_full_design; | |
315 | int charge_empty_design; | |
316 | int energy_full_design; | |
317 | int energy_empty_design; | |
318 | int use_for_apm; | |
319 | }; | |
320 | ||
3afb50d7 BW |
321 | struct power_supply_battery_ocv_table { |
322 | int ocv; /* microVolts */ | |
323 | int capacity; /* percent */ | |
324 | }; | |
325 | ||
326 | #define POWER_SUPPLY_OCV_TEMP_MAX 20 | |
327 | ||
c08b1f45 LB |
328 | /* |
329 | * This is the recommended struct to manage static battery parameters, | |
330 | * populated by power_supply_get_battery_info(). Most platform drivers should | |
331 | * use these for consistency. | |
332 | * Its field names must correspond to elements in enum power_supply_property. | |
333 | * The default field value is -EINVAL. | |
334 | * Power supply class itself doesn't use this. | |
335 | */ | |
336 | ||
337 | struct power_supply_battery_info { | |
338 | int energy_full_design_uwh; /* microWatt-hours */ | |
339 | int charge_full_design_uah; /* microAmp-hours */ | |
340 | int voltage_min_design_uv; /* microVolts */ | |
04fb5310 | 341 | int voltage_max_design_uv; /* microVolts */ |
c08b1f45 LB |
342 | int precharge_current_ua; /* microAmps */ |
343 | int charge_term_current_ua; /* microAmps */ | |
344 | int constant_charge_current_max_ua; /* microAmps */ | |
345 | int constant_charge_voltage_max_uv; /* microVolts */ | |
86131d93 | 346 | int factory_internal_resistance_uohm; /* microOhms */ |
3afb50d7 BW |
347 | int ocv_temp[POWER_SUPPLY_OCV_TEMP_MAX];/* celsius */ |
348 | struct power_supply_battery_ocv_table *ocv_table[POWER_SUPPLY_OCV_TEMP_MAX]; | |
349 | int ocv_table_size[POWER_SUPPLY_OCV_TEMP_MAX]; | |
c08b1f45 LB |
350 | }; |
351 | ||
d36240d2 PR |
352 | extern struct atomic_notifier_head power_supply_notifier; |
353 | extern int power_supply_reg_notifier(struct notifier_block *nb); | |
354 | extern void power_supply_unreg_notifier(struct notifier_block *nb); | |
9f3b795a | 355 | extern struct power_supply *power_supply_get_by_name(const char *name); |
1a352462 | 356 | extern void power_supply_put(struct power_supply *psy); |
abce9770 SR |
357 | #ifdef CONFIG_OF |
358 | extern struct power_supply *power_supply_get_by_phandle(struct device_node *np, | |
359 | const char *property); | |
fe27e1df HG |
360 | extern struct power_supply *devm_power_supply_get_by_phandle( |
361 | struct device *dev, const char *property); | |
abce9770 SR |
362 | #else /* !CONFIG_OF */ |
363 | static inline struct power_supply * | |
364 | power_supply_get_by_phandle(struct device_node *np, const char *property) | |
365 | { return NULL; } | |
fe27e1df HG |
366 | static inline struct power_supply * |
367 | devm_power_supply_get_by_phandle(struct device *dev, const char *property) | |
368 | { return NULL; } | |
abce9770 | 369 | #endif /* CONFIG_OF */ |
c08b1f45 LB |
370 | |
371 | extern int power_supply_get_battery_info(struct power_supply *psy, | |
372 | struct power_supply_battery_info *info); | |
3afb50d7 BW |
373 | extern void power_supply_put_battery_info(struct power_supply *psy, |
374 | struct power_supply_battery_info *info); | |
375 | extern int power_supply_ocv2cap_simple(struct power_supply_battery_ocv_table *table, | |
376 | int table_len, int ocv); | |
377 | extern struct power_supply_battery_ocv_table * | |
378 | power_supply_find_ocv2cap_table(struct power_supply_battery_info *info, | |
379 | int temp, int *table_len); | |
380 | extern int power_supply_batinfo_ocv2cap(struct power_supply_battery_info *info, | |
381 | int ocv, int temp); | |
4a11b59d AV |
382 | extern void power_supply_changed(struct power_supply *psy); |
383 | extern int power_supply_am_i_supplied(struct power_supply *psy); | |
c3142dd8 HG |
384 | extern int power_supply_set_input_current_limit_from_supplier( |
385 | struct power_supply *psy); | |
e5f5ccb6 | 386 | extern int power_supply_set_battery_charged(struct power_supply *psy); |
4a11b59d | 387 | |
0d4ed4e2 | 388 | #ifdef CONFIG_POWER_SUPPLY |
942ed161 MG |
389 | extern int power_supply_is_system_supplied(void); |
390 | #else | |
391 | static inline int power_supply_is_system_supplied(void) { return -ENOSYS; } | |
392 | #endif | |
393 | ||
bc154056 KK |
394 | extern int power_supply_get_property(struct power_supply *psy, |
395 | enum power_supply_property psp, | |
396 | union power_supply_propval *val); | |
397 | extern int power_supply_set_property(struct power_supply *psy, | |
398 | enum power_supply_property psp, | |
399 | const union power_supply_propval *val); | |
400 | extern int power_supply_property_is_writeable(struct power_supply *psy, | |
401 | enum power_supply_property psp); | |
402 | extern void power_supply_external_power_changed(struct power_supply *psy); | |
297d716f KK |
403 | |
404 | extern struct power_supply *__must_check | |
405 | power_supply_register(struct device *parent, | |
406 | const struct power_supply_desc *desc, | |
2dc9215d | 407 | const struct power_supply_config *cfg); |
297d716f KK |
408 | extern struct power_supply *__must_check |
409 | power_supply_register_no_ws(struct device *parent, | |
410 | const struct power_supply_desc *desc, | |
2dc9215d | 411 | const struct power_supply_config *cfg); |
297d716f KK |
412 | extern struct power_supply *__must_check |
413 | devm_power_supply_register(struct device *parent, | |
414 | const struct power_supply_desc *desc, | |
2dc9215d | 415 | const struct power_supply_config *cfg); |
297d716f KK |
416 | extern struct power_supply *__must_check |
417 | devm_power_supply_register_no_ws(struct device *parent, | |
418 | const struct power_supply_desc *desc, | |
2dc9215d | 419 | const struct power_supply_config *cfg); |
4a11b59d | 420 | extern void power_supply_unregister(struct power_supply *psy); |
83516651 | 421 | extern int power_supply_powers(struct power_supply *psy, struct device *dev); |
4a11b59d | 422 | |
285995d1 OG |
423 | #define to_power_supply(device) container_of(device, struct power_supply, dev) |
424 | ||
e44ea364 | 425 | extern void *power_supply_get_drvdata(struct power_supply *psy); |
4a11b59d AV |
426 | /* For APM emulation, think legacy userspace. */ |
427 | extern struct class *power_supply_class; | |
428 | ||
51d07566 RK |
429 | static inline bool power_supply_is_amp_property(enum power_supply_property psp) |
430 | { | |
431 | switch (psp) { | |
432 | case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: | |
433 | case POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN: | |
434 | case POWER_SUPPLY_PROP_CHARGE_FULL: | |
435 | case POWER_SUPPLY_PROP_CHARGE_EMPTY: | |
436 | case POWER_SUPPLY_PROP_CHARGE_NOW: | |
437 | case POWER_SUPPLY_PROP_CHARGE_AVG: | |
438 | case POWER_SUPPLY_PROP_CHARGE_COUNTER: | |
413de34a LB |
439 | case POWER_SUPPLY_PROP_PRECHARGE_CURRENT: |
440 | case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT: | |
3824c477 | 441 | case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT: |
2815b786 | 442 | case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX: |
51d07566 RK |
443 | case POWER_SUPPLY_PROP_CURRENT_MAX: |
444 | case POWER_SUPPLY_PROP_CURRENT_NOW: | |
445 | case POWER_SUPPLY_PROP_CURRENT_AVG: | |
a8adcc90 | 446 | case POWER_SUPPLY_PROP_CURRENT_BOOT: |
51d07566 RK |
447 | return 1; |
448 | default: | |
449 | break; | |
450 | } | |
451 | ||
452 | return 0; | |
453 | } | |
454 | ||
455 | static inline bool power_supply_is_watt_property(enum power_supply_property psp) | |
456 | { | |
457 | switch (psp) { | |
458 | case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN: | |
459 | case POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN: | |
460 | case POWER_SUPPLY_PROP_ENERGY_FULL: | |
461 | case POWER_SUPPLY_PROP_ENERGY_EMPTY: | |
462 | case POWER_SUPPLY_PROP_ENERGY_NOW: | |
463 | case POWER_SUPPLY_PROP_ENERGY_AVG: | |
464 | case POWER_SUPPLY_PROP_VOLTAGE_MAX: | |
465 | case POWER_SUPPLY_PROP_VOLTAGE_MIN: | |
466 | case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: | |
467 | case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: | |
468 | case POWER_SUPPLY_PROP_VOLTAGE_NOW: | |
469 | case POWER_SUPPLY_PROP_VOLTAGE_AVG: | |
a2ebfe2f | 470 | case POWER_SUPPLY_PROP_VOLTAGE_OCV: |
a8adcc90 | 471 | case POWER_SUPPLY_PROP_VOLTAGE_BOOT: |
3824c477 | 472 | case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE: |
2815b786 | 473 | case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX: |
35c9d267 | 474 | case POWER_SUPPLY_PROP_POWER_NOW: |
51d07566 RK |
475 | return 1; |
476 | default: | |
477 | break; | |
478 | } | |
479 | ||
480 | return 0; | |
481 | } | |
482 | ||
4a11b59d | 483 | #endif /* __LINUX_POWER_SUPPLY_H__ */ |