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Anton Vorontsov4a11b592007-05-04 00:27:45 +04001/*
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
Krzysztof Kozlowski297d7162015-03-12 08:44:11 +010016#include <linux/device.h>
Anton Vorontsov4a11b592007-05-04 00:27:45 +040017#include <linux/workqueue.h>
18#include <linux/leds.h>
Zoran Markovic948dcf92013-08-02 13:38:02 -070019#include <linux/spinlock.h>
Pali Rohárd36240d2013-11-19 11:18:03 +010020#include <linux/notifier.h>
Todd Poynord3ee35b2013-12-12 15:59:09 -080021#include <linux/types.h>
Anton Vorontsov4a11b592007-05-04 00:27:45 +040022
23/*
24 * All voltages, currents, charges, energies, time and temperatures in uV,
25 * µA, µAh, µWh, seconds and tenths of degree Celsius unless otherwise
26 * stated. It's driver's job to convert its raw values to units in which
27 * this class operates.
28 */
29
30/*
31 * For systems where the charger determines the maximum battery capacity
32 * the min and max fields should be used to present these values to user
33 * space. Unused/unknown fields will not appear in sysfs.
34 */
35
36enum {
37 POWER_SUPPLY_STATUS_UNKNOWN = 0,
38 POWER_SUPPLY_STATUS_CHARGING,
39 POWER_SUPPLY_STATUS_DISCHARGING,
40 POWER_SUPPLY_STATUS_NOT_CHARGING,
41 POWER_SUPPLY_STATUS_FULL,
42};
43
44enum {
Andres Salomonee8076e2009-07-02 09:45:18 -040045 POWER_SUPPLY_CHARGE_TYPE_UNKNOWN = 0,
46 POWER_SUPPLY_CHARGE_TYPE_NONE,
47 POWER_SUPPLY_CHARGE_TYPE_TRICKLE,
48 POWER_SUPPLY_CHARGE_TYPE_FAST,
Abhijeet Dharmapurikardcdf2fc2017-03-23 00:53:46 -070049 POWER_SUPPLY_CHARGE_TYPE_TAPER,
Andres Salomonee8076e2009-07-02 09:45:18 -040050};
51
52enum {
Anton Vorontsov4a11b592007-05-04 00:27:45 +040053 POWER_SUPPLY_HEALTH_UNKNOWN = 0,
54 POWER_SUPPLY_HEALTH_GOOD,
55 POWER_SUPPLY_HEALTH_OVERHEAT,
56 POWER_SUPPLY_HEALTH_DEAD,
57 POWER_SUPPLY_HEALTH_OVERVOLTAGE,
58 POWER_SUPPLY_HEALTH_UNSPEC_FAILURE,
Mark Brown7e386e62008-11-30 22:43:21 +010059 POWER_SUPPLY_HEALTH_COLD,
Ramakrishna Pallalaa05be992012-11-30 13:57:46 +053060 POWER_SUPPLY_HEALTH_WATCHDOG_TIMER_EXPIRE,
61 POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE,
Abhijeet Dharmapurikardcdf2fc2017-03-23 00:53:46 -070062 POWER_SUPPLY_HEALTH_WARM,
63 POWER_SUPPLY_HEALTH_COOL,
Nicholas Troast86cc4f672017-02-08 10:41:06 -080064 POWER_SUPPLY_HEALTH_HOT,
Anton Vorontsov4a11b592007-05-04 00:27:45 +040065};
66
67enum {
68 POWER_SUPPLY_TECHNOLOGY_UNKNOWN = 0,
69 POWER_SUPPLY_TECHNOLOGY_NiMH,
70 POWER_SUPPLY_TECHNOLOGY_LION,
71 POWER_SUPPLY_TECHNOLOGY_LIPO,
72 POWER_SUPPLY_TECHNOLOGY_LiFe,
73 POWER_SUPPLY_TECHNOLOGY_NiCd,
Dmitry Baryshkovc7cc9302008-01-07 04:12:41 +030074 POWER_SUPPLY_TECHNOLOGY_LiMn,
Anton Vorontsov4a11b592007-05-04 00:27:45 +040075};
76
Andres Salomonb294a292009-06-30 02:13:01 -040077enum {
78 POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN = 0,
79 POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL,
80 POWER_SUPPLY_CAPACITY_LEVEL_LOW,
81 POWER_SUPPLY_CAPACITY_LEVEL_NORMAL,
82 POWER_SUPPLY_CAPACITY_LEVEL_HIGH,
83 POWER_SUPPLY_CAPACITY_LEVEL_FULL,
84};
85
Jeremy Fitzhardinge25a0bc22011-12-07 11:24:20 -080086enum {
87 POWER_SUPPLY_SCOPE_UNKNOWN = 0,
88 POWER_SUPPLY_SCOPE_SYSTEM,
89 POWER_SUPPLY_SCOPE_DEVICE,
90};
91
Abhijeet Dharmapurikardcdf2fc2017-03-23 00:53:46 -070092enum {
93 POWER_SUPPLY_DP_DM_UNKNOWN = 0,
94 POWER_SUPPLY_DP_DM_PREPARE = 1,
95 POWER_SUPPLY_DP_DM_UNPREPARE = 2,
96 POWER_SUPPLY_DP_DM_CONFIRMED_HVDCP3 = 3,
97 POWER_SUPPLY_DP_DM_DP_PULSE = 4,
98 POWER_SUPPLY_DP_DM_DM_PULSE = 5,
99 POWER_SUPPLY_DP_DM_DP0P6_DMF = 6,
100 POWER_SUPPLY_DP_DM_DP0P6_DM3P3 = 7,
101 POWER_SUPPLY_DP_DM_DPF_DMF = 8,
102 POWER_SUPPLY_DP_DM_DPR_DMR = 9,
103 POWER_SUPPLY_DP_DM_HVDCP3_SUPPORTED = 10,
104 POWER_SUPPLY_DP_DM_ICL_DOWN = 11,
105 POWER_SUPPLY_DP_DM_ICL_UP = 12,
106};
107
Abhijeet Dharmapurikar9a3a6c32017-01-06 18:27:29 -0800108enum {
Ashay Jaiswalec6af842017-02-17 16:00:05 +0530109 POWER_SUPPLY_PL_NONE,
110 POWER_SUPPLY_PL_USBIN_USBIN,
111 POWER_SUPPLY_PL_USBIN_USBIN_EXT,
112 POWER_SUPPLY_PL_USBMID_USBMID,
Abhijeet Dharmapurikar9a3a6c32017-01-06 18:27:29 -0800113};
114
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400115enum power_supply_property {
116 /* Properties of type `int' */
117 POWER_SUPPLY_PROP_STATUS = 0,
Andres Salomonee8076e2009-07-02 09:45:18 -0400118 POWER_SUPPLY_PROP_CHARGE_TYPE,
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400119 POWER_SUPPLY_PROP_HEALTH,
120 POWER_SUPPLY_PROP_PRESENT,
121 POWER_SUPPLY_PROP_ONLINE,
Ramakrishna Pallalab1b56872012-08-23 06:50:21 +0530122 POWER_SUPPLY_PROP_AUTHENTIC,
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400123 POWER_SUPPLY_PROP_TECHNOLOGY,
Alexey Starikovskiyc955fe82009-10-15 14:31:30 +0400124 POWER_SUPPLY_PROP_CYCLE_COUNT,
Dmitry Baryshkovc7cc9302008-01-07 04:12:41 +0300125 POWER_SUPPLY_PROP_VOLTAGE_MAX,
126 POWER_SUPPLY_PROP_VOLTAGE_MIN,
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400127 POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
128 POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
129 POWER_SUPPLY_PROP_VOLTAGE_NOW,
130 POWER_SUPPLY_PROP_VOLTAGE_AVG,
Ramakrishna Pallalaa2ebfe22012-04-10 16:21:20 +0530131 POWER_SUPPLY_PROP_VOLTAGE_OCV,
Ramakrishna Pallalaa8adcc902014-08-27 23:44:08 +0530132 POWER_SUPPLY_PROP_VOLTAGE_BOOT,
Heikki Krogerusfe3f6d02010-10-04 10:51:38 +0300133 POWER_SUPPLY_PROP_CURRENT_MAX,
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400134 POWER_SUPPLY_PROP_CURRENT_NOW,
135 POWER_SUPPLY_PROP_CURRENT_AVG,
Ramakrishna Pallalaa8adcc902014-08-27 23:44:08 +0530136 POWER_SUPPLY_PROP_CURRENT_BOOT,
Alexey Starikovskiy7faa1442009-03-27 22:23:52 -0400137 POWER_SUPPLY_PROP_POWER_NOW,
138 POWER_SUPPLY_PROP_POWER_AVG,
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400139 POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
140 POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN,
141 POWER_SUPPLY_PROP_CHARGE_FULL,
142 POWER_SUPPLY_PROP_CHARGE_EMPTY,
143 POWER_SUPPLY_PROP_CHARGE_NOW,
Abhijeet Dharmapurikardcdf2fc2017-03-23 00:53:46 -0700144 POWER_SUPPLY_PROP_CHARGE_NOW_RAW,
145 POWER_SUPPLY_PROP_CHARGE_NOW_ERROR,
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400146 POWER_SUPPLY_PROP_CHARGE_AVG,
Andres Salomon8e552c32008-05-12 21:46:29 -0400147 POWER_SUPPLY_PROP_CHARGE_COUNTER,
Ramakrishna Pallala3824c472012-05-06 18:16:44 +0530148 POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT,
Ramakrishna Pallala2815b782012-07-30 12:49:21 +0530149 POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX,
Ramakrishna Pallala3824c472012-05-06 18:16:44 +0530150 POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
Ramakrishna Pallala2815b782012-07-30 12:49:21 +0530151 POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX,
Ramakrishna Pallalaea2ce922012-10-09 22:25:29 +0530152 POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT,
153 POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX,
Jenny TC6bb1d272014-07-08 11:34:18 +0530154 POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT,
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400155 POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
156 POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN,
157 POWER_SUPPLY_PROP_ENERGY_FULL,
158 POWER_SUPPLY_PROP_ENERGY_EMPTY,
159 POWER_SUPPLY_PROP_ENERGY_NOW,
160 POWER_SUPPLY_PROP_ENERGY_AVG,
161 POWER_SUPPLY_PROP_CAPACITY, /* in percents! */
Ramakrishna Pallalae908c412012-07-05 16:59:12 +0530162 POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN, /* in percents! */
163 POWER_SUPPLY_PROP_CAPACITY_ALERT_MAX, /* in percents! */
Andres Salomonb294a292009-06-30 02:13:01 -0400164 POWER_SUPPLY_PROP_CAPACITY_LEVEL,
Abhijeet Dharmapurikardcdf2fc2017-03-23 00:53:46 -0700165 POWER_SUPPLY_PROP_CAPACITY_RAW,
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400166 POWER_SUPPLY_PROP_TEMP,
Jenny TC6bb1d272014-07-08 11:34:18 +0530167 POWER_SUPPLY_PROP_TEMP_MAX,
168 POWER_SUPPLY_PROP_TEMP_MIN,
Ramakrishna Pallalae908c412012-07-05 16:59:12 +0530169 POWER_SUPPLY_PROP_TEMP_ALERT_MIN,
170 POWER_SUPPLY_PROP_TEMP_ALERT_MAX,
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400171 POWER_SUPPLY_PROP_TEMP_AMBIENT,
Ramakrishna Pallalae908c412012-07-05 16:59:12 +0530172 POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MIN,
173 POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MAX,
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400174 POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW,
175 POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
176 POWER_SUPPLY_PROP_TIME_TO_FULL_NOW,
177 POWER_SUPPLY_PROP_TIME_TO_FULL_AVG,
Anton Vorontsov5f487cd2010-05-18 21:49:51 +0200178 POWER_SUPPLY_PROP_TYPE, /* use power_supply.type instead */
Jeremy Fitzhardinge25a0bc22011-12-07 11:24:20 -0800179 POWER_SUPPLY_PROP_SCOPE,
Jenny TC6bb1d272014-07-08 11:34:18 +0530180 POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT,
Ramakrishna Pallalaa8adcc902014-08-27 23:44:08 +0530181 POWER_SUPPLY_PROP_CALIBRATE,
Todd Poynor53e0fd52012-07-12 20:27:16 -0700182 /* Local extensions */
183 POWER_SUPPLY_PROP_USB_HC,
Todd Poynorb6c32982012-07-13 13:30:04 -0700184 POWER_SUPPLY_PROP_USB_OTG,
Abhijeet Dharmapurikardcdf2fc2017-03-23 00:53:46 -0700185 POWER_SUPPLY_PROP_BATTERY_CHARGING_ENABLED,
186 POWER_SUPPLY_PROP_CHARGING_ENABLED,
Harry Yang878ba2b2016-08-31 16:07:30 -0700187 POWER_SUPPLY_PROP_STEP_CHARGING_ENABLED,
188 POWER_SUPPLY_PROP_STEP_CHARGING_STEP,
Nicholas Troastcf50b0c2016-08-02 13:43:58 -0700189 POWER_SUPPLY_PROP_PIN_ENABLED,
Nicholas Troast24163112016-04-01 10:48:01 -0700190 POWER_SUPPLY_PROP_INPUT_SUSPEND,
Abhijeet Dharmapurikardcdf2fc2017-03-23 00:53:46 -0700191 POWER_SUPPLY_PROP_INPUT_VOLTAGE_REGULATION,
192 POWER_SUPPLY_PROP_INPUT_CURRENT_MAX,
193 POWER_SUPPLY_PROP_INPUT_CURRENT_TRIM,
194 POWER_SUPPLY_PROP_INPUT_CURRENT_SETTLED,
Nicholas Troast5bb8e7f2017-01-28 09:32:17 -0800195 POWER_SUPPLY_PROP_INPUT_VOLTAGE_SETTLED,
Abhijeet Dharmapurikardcdf2fc2017-03-23 00:53:46 -0700196 POWER_SUPPLY_PROP_VCHG_LOOP_DBC_BYPASS,
197 POWER_SUPPLY_PROP_CHARGE_COUNTER_SHADOW,
198 POWER_SUPPLY_PROP_HI_POWER,
199 POWER_SUPPLY_PROP_LOW_POWER,
200 POWER_SUPPLY_PROP_COOL_TEMP,
201 POWER_SUPPLY_PROP_WARM_TEMP,
202 POWER_SUPPLY_PROP_SYSTEM_TEMP_LEVEL,
203 POWER_SUPPLY_PROP_RESISTANCE,
204 POWER_SUPPLY_PROP_RESISTANCE_CAPACITIVE,
205 POWER_SUPPLY_PROP_RESISTANCE_ID, /* in Ohms */
206 POWER_SUPPLY_PROP_RESISTANCE_NOW,
207 POWER_SUPPLY_PROP_FLASH_CURRENT_MAX,
208 POWER_SUPPLY_PROP_UPDATE_NOW,
209 POWER_SUPPLY_PROP_ESR_COUNT,
210 POWER_SUPPLY_PROP_BUCK_FREQ,
211 POWER_SUPPLY_PROP_BOOST_CURRENT,
212 POWER_SUPPLY_PROP_SAFETY_TIMER_ENABLE,
213 POWER_SUPPLY_PROP_CHARGE_DONE,
214 POWER_SUPPLY_PROP_FLASH_ACTIVE,
215 POWER_SUPPLY_PROP_FLASH_TRIGGER,
216 POWER_SUPPLY_PROP_FORCE_TLIM,
217 POWER_SUPPLY_PROP_DP_DM,
218 POWER_SUPPLY_PROP_INPUT_CURRENT_LIMITED,
219 POWER_SUPPLY_PROP_INPUT_CURRENT_NOW,
Harry Yang71a8d3e2017-02-25 21:25:51 -0800220 POWER_SUPPLY_PROP_CHARGE_QNOVO_ENABLE,
Harry Yanga22224c2017-02-07 16:53:28 -0800221 POWER_SUPPLY_PROP_CURRENT_QNOVO,
222 POWER_SUPPLY_PROP_VOLTAGE_QNOVO,
Abhijeet Dharmapurikardcdf2fc2017-03-23 00:53:46 -0700223 POWER_SUPPLY_PROP_RERUN_AICL,
224 POWER_SUPPLY_PROP_CYCLE_COUNT_ID,
225 POWER_SUPPLY_PROP_SAFETY_TIMER_EXPIRED,
226 POWER_SUPPLY_PROP_RESTRICTED_CHARGING,
227 POWER_SUPPLY_PROP_CURRENT_CAPABILITY,
Jack Phamd8c9b782016-02-29 11:41:58 -0800228 POWER_SUPPLY_PROP_TYPEC_MODE,
229 POWER_SUPPLY_PROP_TYPEC_CC_ORIENTATION, /* 0: N/C, 1: CC1, 2: CC2 */
230 POWER_SUPPLY_PROP_TYPEC_POWER_ROLE,
231 POWER_SUPPLY_PROP_PD_ALLOWED,
232 POWER_SUPPLY_PROP_PD_ACTIVE,
Jack Pham2f3c8252016-09-30 17:32:01 -0700233 POWER_SUPPLY_PROP_PD_IN_HARD_RESET,
234 POWER_SUPPLY_PROP_PD_CURRENT_MAX,
235 POWER_SUPPLY_PROP_PD_USB_SUSPEND_SUPPORTED,
Nicholas Troast0fa31852016-07-28 13:42:49 -0700236 POWER_SUPPLY_PROP_CHARGER_TEMP,
237 POWER_SUPPLY_PROP_CHARGER_TEMP_MAX,
Nicholas Troast549fcde2016-10-06 11:48:31 -0700238 POWER_SUPPLY_PROP_PARALLEL_DISABLE,
Abhijeet Dharmapurikar6d3ad962016-10-17 16:51:36 -0700239 POWER_SUPPLY_PROP_PE_START,
Fenglin Wu53758762016-11-22 12:50:25 +0800240 POWER_SUPPLY_PROP_SET_SHIP_MODE,
Abhijeet Dharmapurikardcdf2fc2017-03-23 00:53:46 -0700241 POWER_SUPPLY_PROP_SOC_REPORTING_READY,
242 POWER_SUPPLY_PROP_DEBUG_BATTERY,
Nicholas Troast86cc4f672017-02-08 10:41:06 -0800243 POWER_SUPPLY_PROP_FCC_DELTA,
244 POWER_SUPPLY_PROP_ICL_REDUCTION,
245 POWER_SUPPLY_PROP_PARALLEL_MODE,
Nicholas Troast86cc4f672017-02-08 10:41:06 -0800246 POWER_SUPPLY_PROP_DIE_HEALTH,
247 POWER_SUPPLY_PROP_CONNECTOR_HEALTH,
Nicholas Troast6b859142017-02-05 19:44:33 -0800248 POWER_SUPPLY_PROP_CTM_CURRENT_MAX,
Ashay Jaiswal104edd82017-03-23 10:34:18 +0530249 POWER_SUPPLY_PROP_HW_CURRENT_MAX,
Fenglin Wue8615ac2017-04-25 20:51:06 +0800250 POWER_SUPPLY_PROP_REAL_TYPE,
Abhijeet Dharmapurikare43bacd2017-05-24 17:11:24 -0700251 POWER_SUPPLY_PROP_PR_SWAP,
Todd Poynord3ee35b2013-12-12 15:59:09 -0800252 /* Local extensions of type int64_t */
253 POWER_SUPPLY_PROP_CHARGE_COUNTER_EXT,
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400254 /* Properties of type `const char *' */
255 POWER_SUPPLY_PROP_MODEL_NAME,
256 POWER_SUPPLY_PROP_MANUFACTURER,
maximilian attems7c2670b2008-01-22 18:46:50 +0100257 POWER_SUPPLY_PROP_SERIAL_NUMBER,
Abhijeet Dharmapurikardcdf2fc2017-03-23 00:53:46 -0700258 POWER_SUPPLY_PROP_BATTERY_TYPE,
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400259};
260
261enum power_supply_type {
Kim, Milo9b887222011-11-30 23:08:33 -0800262 POWER_SUPPLY_TYPE_UNKNOWN = 0,
263 POWER_SUPPLY_TYPE_BATTERY,
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400264 POWER_SUPPLY_TYPE_UPS,
265 POWER_SUPPLY_TYPE_MAINS,
Heikki Krogerus85efc8a2010-10-04 10:51:37 +0300266 POWER_SUPPLY_TYPE_USB, /* Standard Downstream Port */
267 POWER_SUPPLY_TYPE_USB_DCP, /* Dedicated Charging Port */
268 POWER_SUPPLY_TYPE_USB_CDP, /* Charging Downstream Port */
269 POWER_SUPPLY_TYPE_USB_ACA, /* Accessory Charger Adapters */
Abhijeet Dharmapurikardcdf2fc2017-03-23 00:53:46 -0700270 POWER_SUPPLY_TYPE_USB_HVDCP, /* High Voltage DCP */
271 POWER_SUPPLY_TYPE_USB_HVDCP_3, /* Efficient High Voltage DCP */
Abhijeet Dharmapurikar9a3a6c32017-01-06 18:27:29 -0800272 POWER_SUPPLY_TYPE_USB_PD, /* Power Delivery */
Abhijeet Dharmapurikardcdf2fc2017-03-23 00:53:46 -0700273 POWER_SUPPLY_TYPE_WIRELESS, /* Accessory Charger Adapters */
Abhijeet Dharmapurikar4e56cab2017-07-05 14:00:52 -0700274 POWER_SUPPLY_TYPE_USB_FLOAT, /* Floating charger */
Abhijeet Dharmapurikardcdf2fc2017-03-23 00:53:46 -0700275 POWER_SUPPLY_TYPE_BMS, /* Battery Monitor System */
Abhijeet Dharmapurikar9a3a6c32017-01-06 18:27:29 -0800276 POWER_SUPPLY_TYPE_PARALLEL, /* Parallel Path */
277 POWER_SUPPLY_TYPE_MAIN, /* Main Path */
278 POWER_SUPPLY_TYPE_WIPOWER, /* Wipower */
279 POWER_SUPPLY_TYPE_TYPEC, /* Type-C */
Abhijeet Dharmapurikardcdf2fc2017-03-23 00:53:46 -0700280 POWER_SUPPLY_TYPE_UFP, /* Type-C UFP */
281 POWER_SUPPLY_TYPE_DFP, /* TYpe-C DFP */
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400282};
283
Jack Phamd8c9b782016-02-29 11:41:58 -0800284/* Indicates USB Type-C CC connection status */
285enum power_supply_typec_mode {
286 POWER_SUPPLY_TYPEC_NONE,
287
288 /* Acting as source */
289 POWER_SUPPLY_TYPEC_SINK, /* Rd only */
290 POWER_SUPPLY_TYPEC_SINK_POWERED_CABLE, /* Rd/Ra */
291 POWER_SUPPLY_TYPEC_SINK_DEBUG_ACCESSORY, /* Rd/Rd */
292 POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER, /* Ra/Ra */
293 POWER_SUPPLY_TYPEC_POWERED_CABLE_ONLY, /* Ra only */
294
295 /* Acting as sink */
296 POWER_SUPPLY_TYPEC_SOURCE_DEFAULT, /* Rp default */
297 POWER_SUPPLY_TYPEC_SOURCE_MEDIUM, /* Rp 1.5A */
298 POWER_SUPPLY_TYPEC_SOURCE_HIGH, /* Rp 3A */
299 POWER_SUPPLY_TYPEC_NON_COMPLIANT,
300};
301
302enum power_supply_typec_power_role {
303 POWER_SUPPLY_TYPEC_PR_NONE, /* CC lines in high-Z */
304 POWER_SUPPLY_TYPEC_PR_DUAL,
305 POWER_SUPPLY_TYPEC_PR_SINK,
306 POWER_SUPPLY_TYPEC_PR_SOURCE,
307};
308
Pali Rohárd36240d2013-11-19 11:18:03 +0100309enum power_supply_notifier_events {
310 PSY_EVENT_PROP_CHANGED,
311};
312
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400313union power_supply_propval {
314 int intval;
315 const char *strval;
Todd Poynord3ee35b2013-12-12 15:59:09 -0800316 int64_t int64val;
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400317};
318
Anton Vorontsovb50df952013-06-28 18:17:22 -0700319struct device_node;
Krzysztof Kozlowski297d7162015-03-12 08:44:11 +0100320struct power_supply;
Anton Vorontsovb50df952013-06-28 18:17:22 -0700321
Krzysztof Kozlowski297d7162015-03-12 08:44:11 +0100322/* Run-time specific power supply configuration */
Krzysztof Kozlowski2dc92152015-03-12 08:44:02 +0100323struct power_supply_config {
324 struct device_node *of_node;
325 /* Driver private data */
326 void *drv_data;
327
328 char **supplied_to;
329 size_t num_supplicants;
330};
331
Krzysztof Kozlowski297d7162015-03-12 08:44:11 +0100332/* Description of power supply */
333struct power_supply_desc {
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400334 const char *name;
335 enum power_supply_type type;
336 enum power_supply_property *properties;
337 size_t num_properties;
338
Krzysztof Kozlowskibc154052015-03-12 08:44:03 +0100339 /*
340 * Functions for drivers implementing power supply class.
341 * These shouldn't be called directly by other drivers for accessing
342 * this power supply. Instead use power_supply_*() functions (for
343 * example power_supply_get_property()).
344 */
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400345 int (*get_property)(struct power_supply *psy,
346 enum power_supply_property psp,
347 union power_supply_propval *val);
Daniel Mack0011d2d2010-05-18 21:49:52 +0200348 int (*set_property)(struct power_supply *psy,
349 enum power_supply_property psp,
350 const union power_supply_propval *val);
Krzysztof Kozlowski5c6e3a92015-06-08 10:09:48 +0900351 /*
352 * property_is_writeable() will be called during registration
353 * of power supply. If this happens during device probe then it must
354 * not access internal data of device (because probe did not end).
355 */
Daniel Mack0011d2d2010-05-18 21:49:52 +0200356 int (*property_is_writeable)(struct power_supply *psy,
357 enum power_supply_property psp);
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400358 void (*external_power_changed)(struct power_supply *psy);
Daniel Macke5f5ccb2009-07-23 20:35:53 +0200359 void (*set_charged)(struct power_supply *psy);
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400360
Krzysztof Kozlowskia69d82b2014-10-07 17:47:36 +0200361 /*
362 * Set if thermal zone should not be created for this power supply.
363 * For example for virtual supplies forwarding calls to actual
364 * sensors or other supplies.
365 */
366 bool no_thermal;
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400367 /* For APM emulation, think legacy userspace. */
368 int use_for_apm;
Krzysztof Kozlowski297d7162015-03-12 08:44:11 +0100369};
370
371struct power_supply {
372 const struct power_supply_desc *desc;
373
374 char **supplied_to;
375 size_t num_supplicants;
376
377 char **supplied_from;
378 size_t num_supplies;
379 struct device_node *of_node;
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400380
Krzysztof Kozlowskie44ea362015-03-12 08:44:01 +0100381 /* Driver private data */
382 void *drv_data;
383
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400384 /* private */
Krzysztof Kozlowski297d7162015-03-12 08:44:11 +0100385 struct device dev;
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400386 struct work_struct changed_work;
Krzysztof Kozlowski7f1a57f2015-05-19 16:13:02 +0900387 struct delayed_work deferred_register_work;
Zoran Markovic948dcf92013-08-02 13:38:02 -0700388 spinlock_t changed_lock;
389 bool changed;
Rhyland Kleine3805382016-06-22 11:45:52 -0400390 bool initialized;
Krzysztof Kozlowskibc154052015-03-12 08:44:03 +0100391 atomic_t use_cnt;
Jenny TC3be330b2012-05-09 20:36:47 +0530392#ifdef CONFIG_THERMAL
393 struct thermal_zone_device *tzd;
Ramakrishna Pallala952aeeb32012-10-09 22:25:59 +0530394 struct thermal_cooling_device *tcd;
Jenny TC3be330b2012-05-09 20:36:47 +0530395#endif
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400396
397#ifdef CONFIG_LEDS_TRIGGERS
398 struct led_trigger *charging_full_trig;
399 char *charging_full_trig_name;
400 struct led_trigger *charging_trig;
401 char *charging_trig_name;
402 struct led_trigger *full_trig;
403 char *full_trig_name;
404 struct led_trigger *online_trig;
405 char *online_trig_name;
Vasily Khoruzhick6501f722011-01-07 18:28:17 +0200406 struct led_trigger *charging_blink_full_solid_trig;
407 char *charging_blink_full_solid_trig_name;
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400408#endif
409};
410
411/*
412 * This is recommended structure to specify static power supply parameters.
413 * Generic one, parametrizable for different power supplies. Power supply
414 * class itself does not use it, but that's what implementing most platform
415 * drivers, should try reuse for consistency.
416 */
417
418struct power_supply_info {
419 const char *name;
420 int technology;
421 int voltage_max_design;
422 int voltage_min_design;
423 int charge_full_design;
424 int charge_empty_design;
425 int energy_full_design;
426 int energy_empty_design;
427 int use_for_apm;
428};
429
Pali Rohárd36240d2013-11-19 11:18:03 +0100430extern struct atomic_notifier_head power_supply_notifier;
431extern int power_supply_reg_notifier(struct notifier_block *nb);
432extern void power_supply_unreg_notifier(struct notifier_block *nb);
Michał Mirosław9f3b7952013-02-01 20:40:17 +0100433extern struct power_supply *power_supply_get_by_name(const char *name);
Krzysztof Kozlowski1a352462015-03-12 08:44:12 +0100434extern void power_supply_put(struct power_supply *psy);
Sebastian Reichelabce9772013-11-24 17:49:29 +0100435#ifdef CONFIG_OF
436extern struct power_supply *power_supply_get_by_phandle(struct device_node *np,
437 const char *property);
Hans de Goedefe27e1d2015-06-09 23:37:56 +0200438extern struct power_supply *devm_power_supply_get_by_phandle(
439 struct device *dev, const char *property);
Sebastian Reichelabce9772013-11-24 17:49:29 +0100440#else /* !CONFIG_OF */
441static inline struct power_supply *
442power_supply_get_by_phandle(struct device_node *np, const char *property)
443{ return NULL; }
Hans de Goedefe27e1d2015-06-09 23:37:56 +0200444static inline struct power_supply *
445devm_power_supply_get_by_phandle(struct device *dev, const char *property)
446{ return NULL; }
Sebastian Reichelabce9772013-11-24 17:49:29 +0100447#endif /* CONFIG_OF */
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400448extern void power_supply_changed(struct power_supply *psy);
449extern int power_supply_am_i_supplied(struct power_supply *psy);
Daniel Macke5f5ccb2009-07-23 20:35:53 +0200450extern int power_supply_set_battery_charged(struct power_supply *psy);
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400451
Anton Vorontsov0d4ed4e2012-05-04 21:06:19 -0700452#ifdef CONFIG_POWER_SUPPLY
Matthew Garrett942ed162008-08-26 21:09:59 +0100453extern int power_supply_is_system_supplied(void);
454#else
Abhijeet Dharmapurikardcdf2fc2017-03-23 00:53:46 -0700455static inline int power_supply_is_system_supplied(void) { return -EIO; }
Matthew Garrett942ed162008-08-26 21:09:59 +0100456#endif
457
Krzysztof Kozlowskibc154052015-03-12 08:44:03 +0100458extern int power_supply_get_property(struct power_supply *psy,
459 enum power_supply_property psp,
460 union power_supply_propval *val);
461extern int power_supply_set_property(struct power_supply *psy,
462 enum power_supply_property psp,
463 const union power_supply_propval *val);
464extern int power_supply_property_is_writeable(struct power_supply *psy,
465 enum power_supply_property psp);
466extern void power_supply_external_power_changed(struct power_supply *psy);
Krzysztof Kozlowski297d7162015-03-12 08:44:11 +0100467
468extern struct power_supply *__must_check
469power_supply_register(struct device *parent,
470 const struct power_supply_desc *desc,
Krzysztof Kozlowski2dc92152015-03-12 08:44:02 +0100471 const struct power_supply_config *cfg);
Krzysztof Kozlowski297d7162015-03-12 08:44:11 +0100472extern struct power_supply *__must_check
473power_supply_register_no_ws(struct device *parent,
474 const struct power_supply_desc *desc,
Krzysztof Kozlowski2dc92152015-03-12 08:44:02 +0100475 const struct power_supply_config *cfg);
Krzysztof Kozlowski297d7162015-03-12 08:44:11 +0100476extern struct power_supply *__must_check
477devm_power_supply_register(struct device *parent,
478 const struct power_supply_desc *desc,
Krzysztof Kozlowski2dc92152015-03-12 08:44:02 +0100479 const struct power_supply_config *cfg);
Krzysztof Kozlowski297d7162015-03-12 08:44:11 +0100480extern struct power_supply *__must_check
481devm_power_supply_register_no_ws(struct device *parent,
482 const struct power_supply_desc *desc,
Krzysztof Kozlowski2dc92152015-03-12 08:44:02 +0100483 const struct power_supply_config *cfg);
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400484extern void power_supply_unregister(struct power_supply *psy);
Jeremy Fitzhardinge83516652011-12-07 09:15:45 -0800485extern int power_supply_powers(struct power_supply *psy, struct device *dev);
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400486
Krzysztof Kozlowskie44ea362015-03-12 08:44:01 +0100487extern void *power_supply_get_drvdata(struct power_supply *psy);
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400488/* For APM emulation, think legacy userspace. */
489extern struct class *power_supply_class;
490
Rhyland Klein51d07562011-01-25 11:10:06 -0800491static inline bool power_supply_is_amp_property(enum power_supply_property psp)
492{
493 switch (psp) {
494 case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
495 case POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN:
496 case POWER_SUPPLY_PROP_CHARGE_FULL:
497 case POWER_SUPPLY_PROP_CHARGE_EMPTY:
498 case POWER_SUPPLY_PROP_CHARGE_NOW:
499 case POWER_SUPPLY_PROP_CHARGE_AVG:
500 case POWER_SUPPLY_PROP_CHARGE_COUNTER:
Ramakrishna Pallala3824c472012-05-06 18:16:44 +0530501 case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
Ramakrishna Pallala2815b782012-07-30 12:49:21 +0530502 case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX:
Rhyland Klein51d07562011-01-25 11:10:06 -0800503 case POWER_SUPPLY_PROP_CURRENT_MAX:
504 case POWER_SUPPLY_PROP_CURRENT_NOW:
505 case POWER_SUPPLY_PROP_CURRENT_AVG:
Ramakrishna Pallalaa8adcc902014-08-27 23:44:08 +0530506 case POWER_SUPPLY_PROP_CURRENT_BOOT:
Abhijeet Dharmapurikardcdf2fc2017-03-23 00:53:46 -0700507 case POWER_SUPPLY_PROP_CHARGE_COUNTER_SHADOW:
508 case POWER_SUPPLY_PROP_INPUT_CURRENT_MAX:
509 case POWER_SUPPLY_PROP_FLASH_CURRENT_MAX:
Rhyland Klein51d07562011-01-25 11:10:06 -0800510 return 1;
511 default:
512 break;
513 }
514
515 return 0;
516}
517
518static inline bool power_supply_is_watt_property(enum power_supply_property psp)
519{
520 switch (psp) {
521 case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:
522 case POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN:
523 case POWER_SUPPLY_PROP_ENERGY_FULL:
524 case POWER_SUPPLY_PROP_ENERGY_EMPTY:
525 case POWER_SUPPLY_PROP_ENERGY_NOW:
526 case POWER_SUPPLY_PROP_ENERGY_AVG:
527 case POWER_SUPPLY_PROP_VOLTAGE_MAX:
528 case POWER_SUPPLY_PROP_VOLTAGE_MIN:
529 case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
530 case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
531 case POWER_SUPPLY_PROP_VOLTAGE_NOW:
532 case POWER_SUPPLY_PROP_VOLTAGE_AVG:
Ramakrishna Pallalaa2ebfe22012-04-10 16:21:20 +0530533 case POWER_SUPPLY_PROP_VOLTAGE_OCV:
Ramakrishna Pallalaa8adcc902014-08-27 23:44:08 +0530534 case POWER_SUPPLY_PROP_VOLTAGE_BOOT:
Ramakrishna Pallala3824c472012-05-06 18:16:44 +0530535 case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
Ramakrishna Pallala2815b782012-07-30 12:49:21 +0530536 case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX:
Rhyland Klein35c9d262011-02-28 16:55:31 -0800537 case POWER_SUPPLY_PROP_POWER_NOW:
Rhyland Klein51d07562011-01-25 11:10:06 -0800538 return 1;
539 default:
540 break;
541 }
542
543 return 0;
544}
545
Anton Vorontsov4a11b592007-05-04 00:27:45 +0400546#endif /* __LINUX_POWER_SUPPLY_H__ */