1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Universal power supply monitor class
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright © 2007 Anton Vorontsov <cbou@mail.ru>
6*4882a593Smuzhiyun * Copyright © 2004 Szabolcs Gyurko
7*4882a593Smuzhiyun * Copyright © 2003 Ian Molton <spyro@f2s.com>
8*4882a593Smuzhiyun *
9*4882a593Smuzhiyun * Modified: 2004, Oct Szabolcs Gyurko
10*4882a593Smuzhiyun */
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun #ifndef __LINUX_POWER_SUPPLY_H__
13*4882a593Smuzhiyun #define __LINUX_POWER_SUPPLY_H__
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #include <linux/device.h>
16*4882a593Smuzhiyun #include <linux/workqueue.h>
17*4882a593Smuzhiyun #include <linux/leds.h>
18*4882a593Smuzhiyun #include <linux/spinlock.h>
19*4882a593Smuzhiyun #include <linux/notifier.h>
20*4882a593Smuzhiyun #include <linux/android_kabi.h>
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun /*
23*4882a593Smuzhiyun * All voltages, currents, charges, energies, time and temperatures in uV,
24*4882a593Smuzhiyun * µA, µAh, µWh, seconds and tenths of degree Celsius unless otherwise
25*4882a593Smuzhiyun * stated. It's driver's job to convert its raw values to units in which
26*4882a593Smuzhiyun * this class operates.
27*4882a593Smuzhiyun */
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun /*
30*4882a593Smuzhiyun * For systems where the charger determines the maximum battery capacity
31*4882a593Smuzhiyun * the min and max fields should be used to present these values to user
32*4882a593Smuzhiyun * space. Unused/unknown fields will not appear in sysfs.
33*4882a593Smuzhiyun */
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun enum {
36*4882a593Smuzhiyun POWER_SUPPLY_STATUS_UNKNOWN = 0,
37*4882a593Smuzhiyun POWER_SUPPLY_STATUS_CHARGING,
38*4882a593Smuzhiyun POWER_SUPPLY_STATUS_DISCHARGING,
39*4882a593Smuzhiyun POWER_SUPPLY_STATUS_NOT_CHARGING,
40*4882a593Smuzhiyun POWER_SUPPLY_STATUS_FULL,
41*4882a593Smuzhiyun };
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun /* What algorithm is the charger using? */
44*4882a593Smuzhiyun enum {
45*4882a593Smuzhiyun POWER_SUPPLY_CHARGE_TYPE_UNKNOWN = 0,
46*4882a593Smuzhiyun POWER_SUPPLY_CHARGE_TYPE_NONE,
47*4882a593Smuzhiyun POWER_SUPPLY_CHARGE_TYPE_TRICKLE, /* slow speed */
48*4882a593Smuzhiyun POWER_SUPPLY_CHARGE_TYPE_FAST, /* fast speed */
49*4882a593Smuzhiyun POWER_SUPPLY_CHARGE_TYPE_STANDARD, /* normal speed */
50*4882a593Smuzhiyun POWER_SUPPLY_CHARGE_TYPE_ADAPTIVE, /* dynamically adjusted speed */
51*4882a593Smuzhiyun POWER_SUPPLY_CHARGE_TYPE_CUSTOM, /* use CHARGE_CONTROL_* props */
52*4882a593Smuzhiyun POWER_SUPPLY_CHARGE_TYPE_LONGLIFE, /* slow speed, longer life */
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun /*
55*4882a593Smuzhiyun * force to 50 to minimize the chances of userspace binary
56*4882a593Smuzhiyun * incompatibility on newer upstream kernels
57*4882a593Smuzhiyun */
58*4882a593Smuzhiyun POWER_SUPPLY_CHARGE_TYPE_TAPER = 50, /* charging in CV phase */
59*4882a593Smuzhiyun };
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun enum {
62*4882a593Smuzhiyun POWER_SUPPLY_HEALTH_UNKNOWN = 0,
63*4882a593Smuzhiyun POWER_SUPPLY_HEALTH_GOOD,
64*4882a593Smuzhiyun POWER_SUPPLY_HEALTH_OVERHEAT,
65*4882a593Smuzhiyun POWER_SUPPLY_HEALTH_DEAD,
66*4882a593Smuzhiyun POWER_SUPPLY_HEALTH_OVERVOLTAGE,
67*4882a593Smuzhiyun POWER_SUPPLY_HEALTH_UNSPEC_FAILURE,
68*4882a593Smuzhiyun POWER_SUPPLY_HEALTH_COLD,
69*4882a593Smuzhiyun POWER_SUPPLY_HEALTH_WATCHDOG_TIMER_EXPIRE,
70*4882a593Smuzhiyun POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE,
71*4882a593Smuzhiyun POWER_SUPPLY_HEALTH_OVERCURRENT,
72*4882a593Smuzhiyun POWER_SUPPLY_HEALTH_CALIBRATION_REQUIRED,
73*4882a593Smuzhiyun POWER_SUPPLY_HEALTH_WARM,
74*4882a593Smuzhiyun POWER_SUPPLY_HEALTH_COOL,
75*4882a593Smuzhiyun POWER_SUPPLY_HEALTH_HOT,
76*4882a593Smuzhiyun };
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun enum {
79*4882a593Smuzhiyun POWER_SUPPLY_TECHNOLOGY_UNKNOWN = 0,
80*4882a593Smuzhiyun POWER_SUPPLY_TECHNOLOGY_NiMH,
81*4882a593Smuzhiyun POWER_SUPPLY_TECHNOLOGY_LION,
82*4882a593Smuzhiyun POWER_SUPPLY_TECHNOLOGY_LIPO,
83*4882a593Smuzhiyun POWER_SUPPLY_TECHNOLOGY_LiFe,
84*4882a593Smuzhiyun POWER_SUPPLY_TECHNOLOGY_NiCd,
85*4882a593Smuzhiyun POWER_SUPPLY_TECHNOLOGY_LiMn,
86*4882a593Smuzhiyun };
87*4882a593Smuzhiyun
88*4882a593Smuzhiyun enum {
89*4882a593Smuzhiyun POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN = 0,
90*4882a593Smuzhiyun POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL,
91*4882a593Smuzhiyun POWER_SUPPLY_CAPACITY_LEVEL_LOW,
92*4882a593Smuzhiyun POWER_SUPPLY_CAPACITY_LEVEL_NORMAL,
93*4882a593Smuzhiyun POWER_SUPPLY_CAPACITY_LEVEL_HIGH,
94*4882a593Smuzhiyun POWER_SUPPLY_CAPACITY_LEVEL_FULL,
95*4882a593Smuzhiyun };
96*4882a593Smuzhiyun
97*4882a593Smuzhiyun enum {
98*4882a593Smuzhiyun POWER_SUPPLY_SCOPE_UNKNOWN = 0,
99*4882a593Smuzhiyun POWER_SUPPLY_SCOPE_SYSTEM,
100*4882a593Smuzhiyun POWER_SUPPLY_SCOPE_DEVICE,
101*4882a593Smuzhiyun };
102*4882a593Smuzhiyun
103*4882a593Smuzhiyun enum power_supply_property {
104*4882a593Smuzhiyun /* Properties of type `int' */
105*4882a593Smuzhiyun POWER_SUPPLY_PROP_STATUS = 0,
106*4882a593Smuzhiyun POWER_SUPPLY_PROP_CHARGE_TYPE,
107*4882a593Smuzhiyun POWER_SUPPLY_PROP_HEALTH,
108*4882a593Smuzhiyun POWER_SUPPLY_PROP_PRESENT,
109*4882a593Smuzhiyun POWER_SUPPLY_PROP_ONLINE,
110*4882a593Smuzhiyun POWER_SUPPLY_PROP_AUTHENTIC,
111*4882a593Smuzhiyun POWER_SUPPLY_PROP_TECHNOLOGY,
112*4882a593Smuzhiyun POWER_SUPPLY_PROP_CYCLE_COUNT,
113*4882a593Smuzhiyun POWER_SUPPLY_PROP_VOLTAGE_MAX,
114*4882a593Smuzhiyun POWER_SUPPLY_PROP_VOLTAGE_MIN,
115*4882a593Smuzhiyun POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
116*4882a593Smuzhiyun POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
117*4882a593Smuzhiyun POWER_SUPPLY_PROP_VOLTAGE_NOW,
118*4882a593Smuzhiyun POWER_SUPPLY_PROP_VOLTAGE_AVG,
119*4882a593Smuzhiyun POWER_SUPPLY_PROP_VOLTAGE_OCV,
120*4882a593Smuzhiyun POWER_SUPPLY_PROP_VOLTAGE_BOOT,
121*4882a593Smuzhiyun POWER_SUPPLY_PROP_CURRENT_MAX,
122*4882a593Smuzhiyun POWER_SUPPLY_PROP_CURRENT_NOW,
123*4882a593Smuzhiyun POWER_SUPPLY_PROP_CURRENT_AVG,
124*4882a593Smuzhiyun POWER_SUPPLY_PROP_CURRENT_BOOT,
125*4882a593Smuzhiyun POWER_SUPPLY_PROP_POWER_NOW,
126*4882a593Smuzhiyun POWER_SUPPLY_PROP_POWER_AVG,
127*4882a593Smuzhiyun POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
128*4882a593Smuzhiyun POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN,
129*4882a593Smuzhiyun POWER_SUPPLY_PROP_CHARGE_FULL,
130*4882a593Smuzhiyun POWER_SUPPLY_PROP_CHARGE_EMPTY,
131*4882a593Smuzhiyun POWER_SUPPLY_PROP_CHARGE_NOW,
132*4882a593Smuzhiyun POWER_SUPPLY_PROP_CHARGE_AVG,
133*4882a593Smuzhiyun POWER_SUPPLY_PROP_CHARGE_COUNTER,
134*4882a593Smuzhiyun POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT,
135*4882a593Smuzhiyun POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX,
136*4882a593Smuzhiyun POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
137*4882a593Smuzhiyun POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX,
138*4882a593Smuzhiyun POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT,
139*4882a593Smuzhiyun POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX,
140*4882a593Smuzhiyun POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD, /* in percents! */
141*4882a593Smuzhiyun POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD, /* in percents! */
142*4882a593Smuzhiyun POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT,
143*4882a593Smuzhiyun POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT,
144*4882a593Smuzhiyun POWER_SUPPLY_PROP_INPUT_POWER_LIMIT,
145*4882a593Smuzhiyun POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
146*4882a593Smuzhiyun POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN,
147*4882a593Smuzhiyun POWER_SUPPLY_PROP_ENERGY_FULL,
148*4882a593Smuzhiyun POWER_SUPPLY_PROP_ENERGY_EMPTY,
149*4882a593Smuzhiyun POWER_SUPPLY_PROP_ENERGY_NOW,
150*4882a593Smuzhiyun POWER_SUPPLY_PROP_ENERGY_AVG,
151*4882a593Smuzhiyun POWER_SUPPLY_PROP_CAPACITY, /* in percents! */
152*4882a593Smuzhiyun POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN, /* in percents! */
153*4882a593Smuzhiyun POWER_SUPPLY_PROP_CAPACITY_ALERT_MAX, /* in percents! */
154*4882a593Smuzhiyun POWER_SUPPLY_PROP_CAPACITY_ERROR_MARGIN, /* in percents! */
155*4882a593Smuzhiyun POWER_SUPPLY_PROP_CAPACITY_LEVEL,
156*4882a593Smuzhiyun POWER_SUPPLY_PROP_TEMP,
157*4882a593Smuzhiyun POWER_SUPPLY_PROP_TEMP_MAX,
158*4882a593Smuzhiyun POWER_SUPPLY_PROP_TEMP_MIN,
159*4882a593Smuzhiyun POWER_SUPPLY_PROP_TEMP_ALERT_MIN,
160*4882a593Smuzhiyun POWER_SUPPLY_PROP_TEMP_ALERT_MAX,
161*4882a593Smuzhiyun POWER_SUPPLY_PROP_TEMP_AMBIENT,
162*4882a593Smuzhiyun POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MIN,
163*4882a593Smuzhiyun POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MAX,
164*4882a593Smuzhiyun POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW,
165*4882a593Smuzhiyun POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
166*4882a593Smuzhiyun POWER_SUPPLY_PROP_TIME_TO_FULL_NOW,
167*4882a593Smuzhiyun POWER_SUPPLY_PROP_TIME_TO_FULL_AVG,
168*4882a593Smuzhiyun POWER_SUPPLY_PROP_TYPE, /* use power_supply.type instead */
169*4882a593Smuzhiyun POWER_SUPPLY_PROP_USB_TYPE,
170*4882a593Smuzhiyun POWER_SUPPLY_PROP_SCOPE,
171*4882a593Smuzhiyun POWER_SUPPLY_PROP_PRECHARGE_CURRENT,
172*4882a593Smuzhiyun POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT,
173*4882a593Smuzhiyun POWER_SUPPLY_PROP_CALIBRATE,
174*4882a593Smuzhiyun POWER_SUPPLY_PROP_MANUFACTURE_YEAR,
175*4882a593Smuzhiyun POWER_SUPPLY_PROP_MANUFACTURE_MONTH,
176*4882a593Smuzhiyun POWER_SUPPLY_PROP_MANUFACTURE_DAY,
177*4882a593Smuzhiyun #if defined(CONFIG_NO_GKI)
178*4882a593Smuzhiyun /* Charge pump properties */
179*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_ALARM_STATUS,
180*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_BAT_OVP_ALARM,
181*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_BAT_OCP_ALARM,
182*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_BAT_UCP_ALARM,
183*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_BUS_OVP_ALARM,
184*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_BUS_OCP_ALARM,
185*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_BAT_THERM_ALARM,
186*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_BUS_THERM_ALARM,
187*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_DIE_THERM_ALARM,
188*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_FAULT_STATUS,
189*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_BAT_OVP_FAULT,
190*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_BAT_OCP_FAULT,
191*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_BUS_OVP_FAULT,
192*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_BUS_OCP_FAULT,
193*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_BAT_THERM_FAULT,
194*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_BUS_THERM_FAULT,
195*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_DIE_THERM_FAULT,
196*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_VBUS_ERROR_STATUS,
197*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_VBUS_HERROR_STATUS,
198*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_VBUS_LERROR_STATUS,
199*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_CHARGING_ENABLED,
200*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_WDT_EN,
201*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_VBUS,
202*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_IBUS,
203*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_SWITCHER_EN,
204*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_BAT_TEMPERATURE,
205*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_BUS_TEMPERATURE,
206*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_DIE_TEMPERATURE,
207*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_ISNS,
208*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_TOGGLE_SWITCHER,
209*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_IRQ_STATUS,
210*4882a593Smuzhiyun POWER_SUPPLY_PROP_CP_ILIM,
211*4882a593Smuzhiyun #endif
212*4882a593Smuzhiyun /* Properties of type `const char *' */
213*4882a593Smuzhiyun POWER_SUPPLY_PROP_MODEL_NAME,
214*4882a593Smuzhiyun POWER_SUPPLY_PROP_MANUFACTURER,
215*4882a593Smuzhiyun POWER_SUPPLY_PROP_SERIAL_NUMBER,
216*4882a593Smuzhiyun };
217*4882a593Smuzhiyun
218*4882a593Smuzhiyun enum power_supply_type {
219*4882a593Smuzhiyun POWER_SUPPLY_TYPE_UNKNOWN = 0,
220*4882a593Smuzhiyun POWER_SUPPLY_TYPE_BATTERY,
221*4882a593Smuzhiyun POWER_SUPPLY_TYPE_UPS,
222*4882a593Smuzhiyun POWER_SUPPLY_TYPE_MAINS,
223*4882a593Smuzhiyun POWER_SUPPLY_TYPE_USB, /* Standard Downstream Port */
224*4882a593Smuzhiyun POWER_SUPPLY_TYPE_USB_DCP, /* Dedicated Charging Port */
225*4882a593Smuzhiyun POWER_SUPPLY_TYPE_USB_CDP, /* Charging Downstream Port */
226*4882a593Smuzhiyun POWER_SUPPLY_TYPE_USB_ACA, /* Accessory Charger Adapters */
227*4882a593Smuzhiyun POWER_SUPPLY_TYPE_USB_TYPE_C, /* Type C Port */
228*4882a593Smuzhiyun POWER_SUPPLY_TYPE_USB_PD, /* Power Delivery Port */
229*4882a593Smuzhiyun POWER_SUPPLY_TYPE_USB_PD_DRP, /* PD Dual Role Port */
230*4882a593Smuzhiyun POWER_SUPPLY_TYPE_APPLE_BRICK_ID, /* Apple Charging Method */
231*4882a593Smuzhiyun POWER_SUPPLY_TYPE_WIRELESS, /* Wireless */
232*4882a593Smuzhiyun #if defined(CONFIG_NO_GKI)
233*4882a593Smuzhiyun POWER_SUPPLY_TYPE_CHARGE_PUMP, /* Charge Pump */
234*4882a593Smuzhiyun #endif
235*4882a593Smuzhiyun };
236*4882a593Smuzhiyun
237*4882a593Smuzhiyun enum power_supply_usb_type {
238*4882a593Smuzhiyun POWER_SUPPLY_USB_TYPE_UNKNOWN = 0,
239*4882a593Smuzhiyun POWER_SUPPLY_USB_TYPE_SDP, /* Standard Downstream Port */
240*4882a593Smuzhiyun POWER_SUPPLY_USB_TYPE_DCP, /* Dedicated Charging Port */
241*4882a593Smuzhiyun POWER_SUPPLY_USB_TYPE_CDP, /* Charging Downstream Port */
242*4882a593Smuzhiyun POWER_SUPPLY_USB_TYPE_ACA, /* Accessory Charger Adapters */
243*4882a593Smuzhiyun POWER_SUPPLY_USB_TYPE_C, /* Type C Port */
244*4882a593Smuzhiyun POWER_SUPPLY_USB_TYPE_PD, /* Power Delivery Port */
245*4882a593Smuzhiyun POWER_SUPPLY_USB_TYPE_PD_DRP, /* PD Dual Role Port */
246*4882a593Smuzhiyun POWER_SUPPLY_USB_TYPE_PD_PPS, /* PD Programmable Power Supply */
247*4882a593Smuzhiyun POWER_SUPPLY_USB_TYPE_APPLE_BRICK_ID, /* Apple Charging Method */
248*4882a593Smuzhiyun };
249*4882a593Smuzhiyun
250*4882a593Smuzhiyun enum power_supply_notifier_events {
251*4882a593Smuzhiyun PSY_EVENT_PROP_CHANGED,
252*4882a593Smuzhiyun };
253*4882a593Smuzhiyun
254*4882a593Smuzhiyun union power_supply_propval {
255*4882a593Smuzhiyun int intval;
256*4882a593Smuzhiyun const char *strval;
257*4882a593Smuzhiyun };
258*4882a593Smuzhiyun
259*4882a593Smuzhiyun struct device_node;
260*4882a593Smuzhiyun struct power_supply;
261*4882a593Smuzhiyun
262*4882a593Smuzhiyun /* Run-time specific power supply configuration */
263*4882a593Smuzhiyun struct power_supply_config {
264*4882a593Smuzhiyun struct device_node *of_node;
265*4882a593Smuzhiyun struct fwnode_handle *fwnode;
266*4882a593Smuzhiyun
267*4882a593Smuzhiyun /* Driver private data */
268*4882a593Smuzhiyun void *drv_data;
269*4882a593Smuzhiyun
270*4882a593Smuzhiyun /* Device specific sysfs attributes */
271*4882a593Smuzhiyun const struct attribute_group **attr_grp;
272*4882a593Smuzhiyun
273*4882a593Smuzhiyun char **supplied_to;
274*4882a593Smuzhiyun size_t num_supplicants;
275*4882a593Smuzhiyun
276*4882a593Smuzhiyun ANDROID_KABI_RESERVE(1);
277*4882a593Smuzhiyun };
278*4882a593Smuzhiyun
279*4882a593Smuzhiyun /* Description of power supply */
280*4882a593Smuzhiyun struct power_supply_desc {
281*4882a593Smuzhiyun const char *name;
282*4882a593Smuzhiyun enum power_supply_type type;
283*4882a593Smuzhiyun const enum power_supply_usb_type *usb_types;
284*4882a593Smuzhiyun size_t num_usb_types;
285*4882a593Smuzhiyun const enum power_supply_property *properties;
286*4882a593Smuzhiyun size_t num_properties;
287*4882a593Smuzhiyun
288*4882a593Smuzhiyun /*
289*4882a593Smuzhiyun * Functions for drivers implementing power supply class.
290*4882a593Smuzhiyun * These shouldn't be called directly by other drivers for accessing
291*4882a593Smuzhiyun * this power supply. Instead use power_supply_*() functions (for
292*4882a593Smuzhiyun * example power_supply_get_property()).
293*4882a593Smuzhiyun */
294*4882a593Smuzhiyun int (*get_property)(struct power_supply *psy,
295*4882a593Smuzhiyun enum power_supply_property psp,
296*4882a593Smuzhiyun union power_supply_propval *val);
297*4882a593Smuzhiyun int (*set_property)(struct power_supply *psy,
298*4882a593Smuzhiyun enum power_supply_property psp,
299*4882a593Smuzhiyun const union power_supply_propval *val);
300*4882a593Smuzhiyun /*
301*4882a593Smuzhiyun * property_is_writeable() will be called during registration
302*4882a593Smuzhiyun * of power supply. If this happens during device probe then it must
303*4882a593Smuzhiyun * not access internal data of device (because probe did not end).
304*4882a593Smuzhiyun */
305*4882a593Smuzhiyun int (*property_is_writeable)(struct power_supply *psy,
306*4882a593Smuzhiyun enum power_supply_property psp);
307*4882a593Smuzhiyun void (*external_power_changed)(struct power_supply *psy);
308*4882a593Smuzhiyun void (*set_charged)(struct power_supply *psy);
309*4882a593Smuzhiyun
310*4882a593Smuzhiyun /*
311*4882a593Smuzhiyun * Set if thermal zone should not be created for this power supply.
312*4882a593Smuzhiyun * For example for virtual supplies forwarding calls to actual
313*4882a593Smuzhiyun * sensors or other supplies.
314*4882a593Smuzhiyun */
315*4882a593Smuzhiyun bool no_thermal;
316*4882a593Smuzhiyun /* For APM emulation, think legacy userspace. */
317*4882a593Smuzhiyun int use_for_apm;
318*4882a593Smuzhiyun
319*4882a593Smuzhiyun ANDROID_KABI_RESERVE(1);
320*4882a593Smuzhiyun };
321*4882a593Smuzhiyun
322*4882a593Smuzhiyun struct power_supply {
323*4882a593Smuzhiyun const struct power_supply_desc *desc;
324*4882a593Smuzhiyun
325*4882a593Smuzhiyun char **supplied_to;
326*4882a593Smuzhiyun size_t num_supplicants;
327*4882a593Smuzhiyun
328*4882a593Smuzhiyun char **supplied_from;
329*4882a593Smuzhiyun size_t num_supplies;
330*4882a593Smuzhiyun struct device_node *of_node;
331*4882a593Smuzhiyun
332*4882a593Smuzhiyun /* Driver private data */
333*4882a593Smuzhiyun void *drv_data;
334*4882a593Smuzhiyun
335*4882a593Smuzhiyun /* private */
336*4882a593Smuzhiyun struct device dev;
337*4882a593Smuzhiyun struct work_struct changed_work;
338*4882a593Smuzhiyun struct delayed_work deferred_register_work;
339*4882a593Smuzhiyun spinlock_t changed_lock;
340*4882a593Smuzhiyun bool changed;
341*4882a593Smuzhiyun bool initialized;
342*4882a593Smuzhiyun bool removing;
343*4882a593Smuzhiyun atomic_t use_cnt;
344*4882a593Smuzhiyun #ifdef CONFIG_THERMAL
345*4882a593Smuzhiyun struct thermal_zone_device *tzd;
346*4882a593Smuzhiyun struct thermal_cooling_device *tcd;
347*4882a593Smuzhiyun #endif
348*4882a593Smuzhiyun
349*4882a593Smuzhiyun #ifdef CONFIG_LEDS_TRIGGERS
350*4882a593Smuzhiyun struct led_trigger *charging_full_trig;
351*4882a593Smuzhiyun char *charging_full_trig_name;
352*4882a593Smuzhiyun struct led_trigger *charging_trig;
353*4882a593Smuzhiyun char *charging_trig_name;
354*4882a593Smuzhiyun struct led_trigger *full_trig;
355*4882a593Smuzhiyun char *full_trig_name;
356*4882a593Smuzhiyun struct led_trigger *online_trig;
357*4882a593Smuzhiyun char *online_trig_name;
358*4882a593Smuzhiyun struct led_trigger *charging_blink_full_solid_trig;
359*4882a593Smuzhiyun char *charging_blink_full_solid_trig_name;
360*4882a593Smuzhiyun #endif
361*4882a593Smuzhiyun
362*4882a593Smuzhiyun ANDROID_KABI_RESERVE(1);
363*4882a593Smuzhiyun };
364*4882a593Smuzhiyun
365*4882a593Smuzhiyun /*
366*4882a593Smuzhiyun * This is recommended structure to specify static power supply parameters.
367*4882a593Smuzhiyun * Generic one, parametrizable for different power supplies. Power supply
368*4882a593Smuzhiyun * class itself does not use it, but that's what implementing most platform
369*4882a593Smuzhiyun * drivers, should try reuse for consistency.
370*4882a593Smuzhiyun */
371*4882a593Smuzhiyun
372*4882a593Smuzhiyun struct power_supply_info {
373*4882a593Smuzhiyun const char *name;
374*4882a593Smuzhiyun int technology;
375*4882a593Smuzhiyun int voltage_max_design;
376*4882a593Smuzhiyun int voltage_min_design;
377*4882a593Smuzhiyun int charge_full_design;
378*4882a593Smuzhiyun int charge_empty_design;
379*4882a593Smuzhiyun int energy_full_design;
380*4882a593Smuzhiyun int energy_empty_design;
381*4882a593Smuzhiyun int use_for_apm;
382*4882a593Smuzhiyun };
383*4882a593Smuzhiyun
384*4882a593Smuzhiyun struct power_supply_battery_ocv_table {
385*4882a593Smuzhiyun int ocv; /* microVolts */
386*4882a593Smuzhiyun int capacity; /* percent */
387*4882a593Smuzhiyun };
388*4882a593Smuzhiyun
389*4882a593Smuzhiyun struct power_supply_resistance_temp_table {
390*4882a593Smuzhiyun int temp; /* celsius */
391*4882a593Smuzhiyun int resistance; /* internal resistance percent */
392*4882a593Smuzhiyun };
393*4882a593Smuzhiyun
394*4882a593Smuzhiyun #define POWER_SUPPLY_OCV_TEMP_MAX 20
395*4882a593Smuzhiyun
396*4882a593Smuzhiyun /*
397*4882a593Smuzhiyun * This is the recommended struct to manage static battery parameters,
398*4882a593Smuzhiyun * populated by power_supply_get_battery_info(). Most platform drivers should
399*4882a593Smuzhiyun * use these for consistency.
400*4882a593Smuzhiyun * Its field names must correspond to elements in enum power_supply_property.
401*4882a593Smuzhiyun * The default field value is -EINVAL.
402*4882a593Smuzhiyun * Power supply class itself doesn't use this.
403*4882a593Smuzhiyun */
404*4882a593Smuzhiyun
405*4882a593Smuzhiyun struct power_supply_battery_info {
406*4882a593Smuzhiyun int energy_full_design_uwh; /* microWatt-hours */
407*4882a593Smuzhiyun int charge_full_design_uah; /* microAmp-hours */
408*4882a593Smuzhiyun int voltage_min_design_uv; /* microVolts */
409*4882a593Smuzhiyun int voltage_max_design_uv; /* microVolts */
410*4882a593Smuzhiyun int tricklecharge_current_ua; /* microAmps */
411*4882a593Smuzhiyun int precharge_current_ua; /* microAmps */
412*4882a593Smuzhiyun int precharge_voltage_max_uv; /* microVolts */
413*4882a593Smuzhiyun int charge_term_current_ua; /* microAmps */
414*4882a593Smuzhiyun int charge_restart_voltage_uv; /* microVolts */
415*4882a593Smuzhiyun int overvoltage_limit_uv; /* microVolts */
416*4882a593Smuzhiyun int constant_charge_current_max_ua; /* microAmps */
417*4882a593Smuzhiyun int constant_charge_voltage_max_uv; /* microVolts */
418*4882a593Smuzhiyun int factory_internal_resistance_uohm; /* microOhms */
419*4882a593Smuzhiyun int ocv_temp[POWER_SUPPLY_OCV_TEMP_MAX];/* celsius */
420*4882a593Smuzhiyun int temp_ambient_alert_min; /* celsius */
421*4882a593Smuzhiyun int temp_ambient_alert_max; /* celsius */
422*4882a593Smuzhiyun int temp_alert_min; /* celsius */
423*4882a593Smuzhiyun int temp_alert_max; /* celsius */
424*4882a593Smuzhiyun int temp_min; /* celsius */
425*4882a593Smuzhiyun int temp_max; /* celsius */
426*4882a593Smuzhiyun struct power_supply_battery_ocv_table *ocv_table[POWER_SUPPLY_OCV_TEMP_MAX];
427*4882a593Smuzhiyun int ocv_table_size[POWER_SUPPLY_OCV_TEMP_MAX];
428*4882a593Smuzhiyun struct power_supply_resistance_temp_table *resist_table;
429*4882a593Smuzhiyun int resist_table_size;
430*4882a593Smuzhiyun
431*4882a593Smuzhiyun ANDROID_KABI_RESERVE(1);
432*4882a593Smuzhiyun };
433*4882a593Smuzhiyun
434*4882a593Smuzhiyun extern struct atomic_notifier_head power_supply_notifier;
435*4882a593Smuzhiyun extern int power_supply_reg_notifier(struct notifier_block *nb);
436*4882a593Smuzhiyun extern void power_supply_unreg_notifier(struct notifier_block *nb);
437*4882a593Smuzhiyun extern struct power_supply *power_supply_get_by_name(const char *name);
438*4882a593Smuzhiyun extern void power_supply_put(struct power_supply *psy);
439*4882a593Smuzhiyun #ifdef CONFIG_OF
440*4882a593Smuzhiyun extern struct power_supply *power_supply_get_by_phandle(struct device_node *np,
441*4882a593Smuzhiyun const char *property);
442*4882a593Smuzhiyun extern int power_supply_get_by_phandle_array(struct device_node *np,
443*4882a593Smuzhiyun const char *property,
444*4882a593Smuzhiyun struct power_supply **psy,
445*4882a593Smuzhiyun ssize_t size);
446*4882a593Smuzhiyun extern struct power_supply *devm_power_supply_get_by_phandle(
447*4882a593Smuzhiyun struct device *dev, const char *property);
448*4882a593Smuzhiyun #else /* !CONFIG_OF */
449*4882a593Smuzhiyun static inline struct power_supply *
power_supply_get_by_phandle(struct device_node * np,const char * property)450*4882a593Smuzhiyun power_supply_get_by_phandle(struct device_node *np, const char *property)
451*4882a593Smuzhiyun { return NULL; }
452*4882a593Smuzhiyun static inline int
power_supply_get_by_phandle_array(struct device_node * np,const char * property,struct power_supply ** psy,int size)453*4882a593Smuzhiyun power_supply_get_by_phandle_array(struct device_node *np,
454*4882a593Smuzhiyun const char *property,
455*4882a593Smuzhiyun struct power_supply **psy,
456*4882a593Smuzhiyun int size)
457*4882a593Smuzhiyun { return 0; }
458*4882a593Smuzhiyun static inline struct power_supply *
devm_power_supply_get_by_phandle(struct device * dev,const char * property)459*4882a593Smuzhiyun devm_power_supply_get_by_phandle(struct device *dev, const char *property)
460*4882a593Smuzhiyun { return NULL; }
461*4882a593Smuzhiyun #endif /* CONFIG_OF */
462*4882a593Smuzhiyun
463*4882a593Smuzhiyun extern int power_supply_get_battery_info(struct power_supply *psy,
464*4882a593Smuzhiyun struct power_supply_battery_info *info);
465*4882a593Smuzhiyun extern void power_supply_put_battery_info(struct power_supply *psy,
466*4882a593Smuzhiyun struct power_supply_battery_info *info);
467*4882a593Smuzhiyun extern int power_supply_ocv2cap_simple(struct power_supply_battery_ocv_table *table,
468*4882a593Smuzhiyun int table_len, int ocv);
469*4882a593Smuzhiyun extern struct power_supply_battery_ocv_table *
470*4882a593Smuzhiyun power_supply_find_ocv2cap_table(struct power_supply_battery_info *info,
471*4882a593Smuzhiyun int temp, int *table_len);
472*4882a593Smuzhiyun extern int power_supply_batinfo_ocv2cap(struct power_supply_battery_info *info,
473*4882a593Smuzhiyun int ocv, int temp);
474*4882a593Smuzhiyun extern int
475*4882a593Smuzhiyun power_supply_temp2resist_simple(struct power_supply_resistance_temp_table *table,
476*4882a593Smuzhiyun int table_len, int temp);
477*4882a593Smuzhiyun extern void power_supply_changed(struct power_supply *psy);
478*4882a593Smuzhiyun extern int power_supply_am_i_supplied(struct power_supply *psy);
479*4882a593Smuzhiyun extern int power_supply_set_input_current_limit_from_supplier(
480*4882a593Smuzhiyun struct power_supply *psy);
481*4882a593Smuzhiyun extern int power_supply_set_battery_charged(struct power_supply *psy);
482*4882a593Smuzhiyun
483*4882a593Smuzhiyun #ifdef CONFIG_POWER_SUPPLY
484*4882a593Smuzhiyun extern int power_supply_is_system_supplied(void);
485*4882a593Smuzhiyun #else
power_supply_is_system_supplied(void)486*4882a593Smuzhiyun static inline int power_supply_is_system_supplied(void) { return -ENOSYS; }
487*4882a593Smuzhiyun #endif
488*4882a593Smuzhiyun
489*4882a593Smuzhiyun extern int power_supply_get_property(struct power_supply *psy,
490*4882a593Smuzhiyun enum power_supply_property psp,
491*4882a593Smuzhiyun union power_supply_propval *val);
492*4882a593Smuzhiyun #if IS_ENABLED(CONFIG_POWER_SUPPLY)
493*4882a593Smuzhiyun extern int power_supply_set_property(struct power_supply *psy,
494*4882a593Smuzhiyun enum power_supply_property psp,
495*4882a593Smuzhiyun const union power_supply_propval *val);
496*4882a593Smuzhiyun #else
power_supply_set_property(struct power_supply * psy,enum power_supply_property psp,const union power_supply_propval * val)497*4882a593Smuzhiyun static inline int power_supply_set_property(struct power_supply *psy,
498*4882a593Smuzhiyun enum power_supply_property psp,
499*4882a593Smuzhiyun const union power_supply_propval *val)
500*4882a593Smuzhiyun { return 0; }
501*4882a593Smuzhiyun #endif
502*4882a593Smuzhiyun extern int power_supply_property_is_writeable(struct power_supply *psy,
503*4882a593Smuzhiyun enum power_supply_property psp);
504*4882a593Smuzhiyun extern void power_supply_external_power_changed(struct power_supply *psy);
505*4882a593Smuzhiyun
506*4882a593Smuzhiyun extern struct power_supply *__must_check
507*4882a593Smuzhiyun power_supply_register(struct device *parent,
508*4882a593Smuzhiyun const struct power_supply_desc *desc,
509*4882a593Smuzhiyun const struct power_supply_config *cfg);
510*4882a593Smuzhiyun extern struct power_supply *__must_check
511*4882a593Smuzhiyun power_supply_register_no_ws(struct device *parent,
512*4882a593Smuzhiyun const struct power_supply_desc *desc,
513*4882a593Smuzhiyun const struct power_supply_config *cfg);
514*4882a593Smuzhiyun extern struct power_supply *__must_check
515*4882a593Smuzhiyun devm_power_supply_register(struct device *parent,
516*4882a593Smuzhiyun const struct power_supply_desc *desc,
517*4882a593Smuzhiyun const struct power_supply_config *cfg);
518*4882a593Smuzhiyun extern struct power_supply *__must_check
519*4882a593Smuzhiyun devm_power_supply_register_no_ws(struct device *parent,
520*4882a593Smuzhiyun const struct power_supply_desc *desc,
521*4882a593Smuzhiyun const struct power_supply_config *cfg);
522*4882a593Smuzhiyun extern void power_supply_unregister(struct power_supply *psy);
523*4882a593Smuzhiyun extern int power_supply_powers(struct power_supply *psy, struct device *dev);
524*4882a593Smuzhiyun
525*4882a593Smuzhiyun #define to_power_supply(device) container_of(device, struct power_supply, dev)
526*4882a593Smuzhiyun
527*4882a593Smuzhiyun extern void *power_supply_get_drvdata(struct power_supply *psy);
528*4882a593Smuzhiyun /* For APM emulation, think legacy userspace. */
529*4882a593Smuzhiyun extern struct class *power_supply_class;
530*4882a593Smuzhiyun
power_supply_is_amp_property(enum power_supply_property psp)531*4882a593Smuzhiyun static inline bool power_supply_is_amp_property(enum power_supply_property psp)
532*4882a593Smuzhiyun {
533*4882a593Smuzhiyun switch (psp) {
534*4882a593Smuzhiyun case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
535*4882a593Smuzhiyun case POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN:
536*4882a593Smuzhiyun case POWER_SUPPLY_PROP_CHARGE_FULL:
537*4882a593Smuzhiyun case POWER_SUPPLY_PROP_CHARGE_EMPTY:
538*4882a593Smuzhiyun case POWER_SUPPLY_PROP_CHARGE_NOW:
539*4882a593Smuzhiyun case POWER_SUPPLY_PROP_CHARGE_AVG:
540*4882a593Smuzhiyun case POWER_SUPPLY_PROP_CHARGE_COUNTER:
541*4882a593Smuzhiyun case POWER_SUPPLY_PROP_PRECHARGE_CURRENT:
542*4882a593Smuzhiyun case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT:
543*4882a593Smuzhiyun case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
544*4882a593Smuzhiyun case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX:
545*4882a593Smuzhiyun case POWER_SUPPLY_PROP_CURRENT_MAX:
546*4882a593Smuzhiyun case POWER_SUPPLY_PROP_CURRENT_NOW:
547*4882a593Smuzhiyun case POWER_SUPPLY_PROP_CURRENT_AVG:
548*4882a593Smuzhiyun case POWER_SUPPLY_PROP_CURRENT_BOOT:
549*4882a593Smuzhiyun return 1;
550*4882a593Smuzhiyun default:
551*4882a593Smuzhiyun break;
552*4882a593Smuzhiyun }
553*4882a593Smuzhiyun
554*4882a593Smuzhiyun return 0;
555*4882a593Smuzhiyun }
556*4882a593Smuzhiyun
power_supply_is_watt_property(enum power_supply_property psp)557*4882a593Smuzhiyun static inline bool power_supply_is_watt_property(enum power_supply_property psp)
558*4882a593Smuzhiyun {
559*4882a593Smuzhiyun switch (psp) {
560*4882a593Smuzhiyun case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:
561*4882a593Smuzhiyun case POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN:
562*4882a593Smuzhiyun case POWER_SUPPLY_PROP_ENERGY_FULL:
563*4882a593Smuzhiyun case POWER_SUPPLY_PROP_ENERGY_EMPTY:
564*4882a593Smuzhiyun case POWER_SUPPLY_PROP_ENERGY_NOW:
565*4882a593Smuzhiyun case POWER_SUPPLY_PROP_ENERGY_AVG:
566*4882a593Smuzhiyun case POWER_SUPPLY_PROP_VOLTAGE_MAX:
567*4882a593Smuzhiyun case POWER_SUPPLY_PROP_VOLTAGE_MIN:
568*4882a593Smuzhiyun case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
569*4882a593Smuzhiyun case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
570*4882a593Smuzhiyun case POWER_SUPPLY_PROP_VOLTAGE_NOW:
571*4882a593Smuzhiyun case POWER_SUPPLY_PROP_VOLTAGE_AVG:
572*4882a593Smuzhiyun case POWER_SUPPLY_PROP_VOLTAGE_OCV:
573*4882a593Smuzhiyun case POWER_SUPPLY_PROP_VOLTAGE_BOOT:
574*4882a593Smuzhiyun case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
575*4882a593Smuzhiyun case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX:
576*4882a593Smuzhiyun case POWER_SUPPLY_PROP_POWER_NOW:
577*4882a593Smuzhiyun return 1;
578*4882a593Smuzhiyun default:
579*4882a593Smuzhiyun break;
580*4882a593Smuzhiyun }
581*4882a593Smuzhiyun
582*4882a593Smuzhiyun return 0;
583*4882a593Smuzhiyun }
584*4882a593Smuzhiyun
585*4882a593Smuzhiyun #ifdef CONFIG_POWER_SUPPLY_HWMON
586*4882a593Smuzhiyun int power_supply_add_hwmon_sysfs(struct power_supply *psy);
587*4882a593Smuzhiyun void power_supply_remove_hwmon_sysfs(struct power_supply *psy);
588*4882a593Smuzhiyun #else
power_supply_add_hwmon_sysfs(struct power_supply * psy)589*4882a593Smuzhiyun static inline int power_supply_add_hwmon_sysfs(struct power_supply *psy)
590*4882a593Smuzhiyun {
591*4882a593Smuzhiyun return 0;
592*4882a593Smuzhiyun }
593*4882a593Smuzhiyun
594*4882a593Smuzhiyun static inline
power_supply_remove_hwmon_sysfs(struct power_supply * psy)595*4882a593Smuzhiyun void power_supply_remove_hwmon_sysfs(struct power_supply *psy) {}
596*4882a593Smuzhiyun #endif
597*4882a593Smuzhiyun
598*4882a593Smuzhiyun #endif /* __LINUX_POWER_SUPPLY_H__ */
599