include/linux/power_supply.h

   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
  16 #include <linux/device.h>
  17 #include <linux/workqueue.h>
  18 #include <linux/leds.h>
  19 #include <linux/spinlock.h>
  20 #include <linux/notifier.h>
  21 #include <linux/types.h>
  22
  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
  36 enum {
  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
  44 enum {
  45         POWER_SUPPLY_CHARGE_TYPE_UNKNOWN = 0,
  46         POWER_SUPPLY_CHARGE_TYPE_NONE,
  47         POWER_SUPPLY_CHARGE_TYPE_TRICKLE,
  48         POWER_SUPPLY_CHARGE_TYPE_FAST,
  49         POWER_SUPPLY_CHARGE_TYPE_TAPER,
  50 };
  51
  52 enum {
  53         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,
  59         POWER_SUPPLY_HEALTH_COLD,
  60         POWER_SUPPLY_HEALTH_WATCHDOG_TIMER_EXPIRE,
  61         POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE,
  62         POWER_SUPPLY_HEALTH_WARM,
  63         POWER_SUPPLY_HEALTH_COOL,
  64         POWER_SUPPLY_HEALTH_HOT,
  65 };
  66
  67 enum {
  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,
  74         POWER_SUPPLY_TECHNOLOGY_LiMn,
  75 };
  76
  77 enum {
  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
  86 enum {
  87         POWER_SUPPLY_SCOPE_UNKNOWN = 0,
  88         POWER_SUPPLY_SCOPE_SYSTEM,
  89         POWER_SUPPLY_SCOPE_DEVICE,
  90 };
  91
  92 enum {
  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         POWER_SUPPLY_DP_DM_FORCE_5V = 13,
 107         POWER_SUPPLY_DP_DM_FORCE_9V = 14,
 108         POWER_SUPPLY_DP_DM_FORCE_12V = 15,
 109 };
 110
 111 enum {
 112         POWER_SUPPLY_PL_NONE,
 113         POWER_SUPPLY_PL_USBIN_USBIN,
 114         POWER_SUPPLY_PL_USBIN_USBIN_EXT,
 115         POWER_SUPPLY_PL_USBMID_USBMID,
 116 };
 117
 118 enum power_supply_property {
 119         /* Properties of type `int' */
 120         POWER_SUPPLY_PROP_STATUS = 0,
 121         POWER_SUPPLY_PROP_CHARGE_TYPE,
 122         POWER_SUPPLY_PROP_HEALTH,
 123         POWER_SUPPLY_PROP_PRESENT,
 124         POWER_SUPPLY_PROP_ONLINE,
 125         POWER_SUPPLY_PROP_AUTHENTIC,
 126         POWER_SUPPLY_PROP_TECHNOLOGY,
 127         POWER_SUPPLY_PROP_CYCLE_COUNT,
 128         POWER_SUPPLY_PROP_VOLTAGE_MAX,
 129         POWER_SUPPLY_PROP_VOLTAGE_MIN,
 130         POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
 131         POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
 132         POWER_SUPPLY_PROP_VOLTAGE_NOW,
 133         POWER_SUPPLY_PROP_VOLTAGE_AVG,
 134         POWER_SUPPLY_PROP_VOLTAGE_OCV,
 135         POWER_SUPPLY_PROP_VOLTAGE_BOOT,
 136         POWER_SUPPLY_PROP_CURRENT_MAX,
 137         POWER_SUPPLY_PROP_CURRENT_NOW,
 138         POWER_SUPPLY_PROP_CURRENT_AVG,
 139         POWER_SUPPLY_PROP_CURRENT_BOOT,
 140         POWER_SUPPLY_PROP_POWER_NOW,
 141         POWER_SUPPLY_PROP_POWER_AVG,
 142         POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
 143         POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN,
 144         POWER_SUPPLY_PROP_CHARGE_FULL,
 145         POWER_SUPPLY_PROP_CHARGE_EMPTY,
 146         POWER_SUPPLY_PROP_CHARGE_NOW,
 147         POWER_SUPPLY_PROP_CHARGE_NOW_RAW,
 148         POWER_SUPPLY_PROP_CHARGE_NOW_ERROR,
 149         POWER_SUPPLY_PROP_CHARGE_AVG,
 150         POWER_SUPPLY_PROP_CHARGE_COUNTER,
 151         POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT,
 152         POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX,
 153         POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
 154         POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX,
 155         POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT,
 156         POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX,
 157         POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT,
 158         POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
 159         POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN,
 160         POWER_SUPPLY_PROP_ENERGY_FULL,
 161         POWER_SUPPLY_PROP_ENERGY_EMPTY,
 162         POWER_SUPPLY_PROP_ENERGY_NOW,
 163         POWER_SUPPLY_PROP_ENERGY_AVG,
 164         POWER_SUPPLY_PROP_CAPACITY, /* in percents! */
 165         POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN, /* in percents! */
 166         POWER_SUPPLY_PROP_CAPACITY_ALERT_MAX, /* in percents! */
 167         POWER_SUPPLY_PROP_CAPACITY_LEVEL,
 168         POWER_SUPPLY_PROP_CAPACITY_RAW,
 169         POWER_SUPPLY_PROP_TEMP,
 170         POWER_SUPPLY_PROP_TEMP_MAX,
 171         POWER_SUPPLY_PROP_TEMP_MIN,
 172         POWER_SUPPLY_PROP_TEMP_ALERT_MIN,
 173         POWER_SUPPLY_PROP_TEMP_ALERT_MAX,
 174         POWER_SUPPLY_PROP_TEMP_AMBIENT,
 175         POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MIN,
 176         POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MAX,
 177         POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW,
 178         POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
 179         POWER_SUPPLY_PROP_TIME_TO_FULL_NOW,
 180         POWER_SUPPLY_PROP_TIME_TO_FULL_AVG,
 181         POWER_SUPPLY_PROP_TYPE, /* use power_supply.type instead */
 182         POWER_SUPPLY_PROP_SCOPE,
 183         POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT,
 184         POWER_SUPPLY_PROP_CALIBRATE,
 185         /* Local extensions */
 186         POWER_SUPPLY_PROP_USB_HC,
 187         POWER_SUPPLY_PROP_USB_OTG,
 188         POWER_SUPPLY_PROP_BATTERY_CHARGING_ENABLED,
 189         POWER_SUPPLY_PROP_CHARGING_ENABLED,
 190         POWER_SUPPLY_PROP_STEP_CHARGING_ENABLED,
 191         POWER_SUPPLY_PROP_STEP_CHARGING_STEP,
 192         POWER_SUPPLY_PROP_PIN_ENABLED,
 193         POWER_SUPPLY_PROP_INPUT_SUSPEND,
 194         POWER_SUPPLY_PROP_INPUT_VOLTAGE_REGULATION,
 195         POWER_SUPPLY_PROP_INPUT_CURRENT_MAX,
 196         POWER_SUPPLY_PROP_INPUT_CURRENT_TRIM,
 197         POWER_SUPPLY_PROP_INPUT_CURRENT_SETTLED,
 198         POWER_SUPPLY_PROP_INPUT_VOLTAGE_SETTLED,
 199         POWER_SUPPLY_PROP_VCHG_LOOP_DBC_BYPASS,
 200         POWER_SUPPLY_PROP_CHARGE_COUNTER_SHADOW,
 201         POWER_SUPPLY_PROP_HI_POWER,
 202         POWER_SUPPLY_PROP_LOW_POWER,
 203         POWER_SUPPLY_PROP_COOL_TEMP,
 204         POWER_SUPPLY_PROP_WARM_TEMP,
 205         POWER_SUPPLY_PROP_COLD_TEMP,
 206         POWER_SUPPLY_PROP_HOT_TEMP,
 207         POWER_SUPPLY_PROP_SYSTEM_TEMP_LEVEL,
 208         POWER_SUPPLY_PROP_RESISTANCE,
 209         POWER_SUPPLY_PROP_RESISTANCE_CAPACITIVE,
 210         POWER_SUPPLY_PROP_RESISTANCE_ID, /* in Ohms */
 211         POWER_SUPPLY_PROP_RESISTANCE_NOW,
 212         POWER_SUPPLY_PROP_FLASH_CURRENT_MAX,
 213         POWER_SUPPLY_PROP_UPDATE_NOW,
 214         POWER_SUPPLY_PROP_ESR_COUNT,
 215         POWER_SUPPLY_PROP_BUCK_FREQ,
 216         POWER_SUPPLY_PROP_BOOST_CURRENT,
 217         POWER_SUPPLY_PROP_SAFETY_TIMER_ENABLE,
 218         POWER_SUPPLY_PROP_CHARGE_DONE,
 219         POWER_SUPPLY_PROP_FLASH_ACTIVE,
 220         POWER_SUPPLY_PROP_FLASH_TRIGGER,
 221         POWER_SUPPLY_PROP_FORCE_TLIM,
 222         POWER_SUPPLY_PROP_DP_DM,
 223         POWER_SUPPLY_PROP_INPUT_CURRENT_LIMITED,
 224         POWER_SUPPLY_PROP_INPUT_CURRENT_NOW,
 225         POWER_SUPPLY_PROP_CHARGE_QNOVO_ENABLE,
 226         POWER_SUPPLY_PROP_CURRENT_QNOVO,
 227         POWER_SUPPLY_PROP_VOLTAGE_QNOVO,
 228         POWER_SUPPLY_PROP_RERUN_AICL,
 229         POWER_SUPPLY_PROP_CHARGER_TYPE,
 230         POWER_SUPPLY_PROP_CYCLE_COUNT_ID,
 231         POWER_SUPPLY_PROP_SAFETY_TIMER_EXPIRED,
 232         POWER_SUPPLY_PROP_RESTRICTED_CHARGING,
 233         POWER_SUPPLY_PROP_CURRENT_CAPABILITY,
 234         POWER_SUPPLY_PROP_TYPEC_MODE,
 235         POWER_SUPPLY_PROP_TYPEC_CC_ORIENTATION, /* 0: N/C, 1: CC1, 2: CC2 */
 236         POWER_SUPPLY_PROP_TYPEC_POWER_ROLE,
 237         POWER_SUPPLY_PROP_PD_ALLOWED,
 238         POWER_SUPPLY_PROP_PD_ACTIVE,
 239         POWER_SUPPLY_PROP_PD_IN_HARD_RESET,
 240         POWER_SUPPLY_PROP_PD_CURRENT_MAX,
 241         POWER_SUPPLY_PROP_PD_USB_SUSPEND_SUPPORTED,
 242         POWER_SUPPLY_PROP_CHARGER_TEMP,
 243         POWER_SUPPLY_PROP_CHARGER_TEMP_MAX,
 244         POWER_SUPPLY_PROP_PARALLEL_DISABLE,
 245         POWER_SUPPLY_PROP_PE_START,
 246         POWER_SUPPLY_PROP_SET_SHIP_MODE,
 247         POWER_SUPPLY_PROP_SOC_REPORTING_READY,
 248         POWER_SUPPLY_PROP_DEBUG_BATTERY,
 249         POWER_SUPPLY_PROP_FCC_DELTA,
 250         POWER_SUPPLY_PROP_ICL_REDUCTION,
 251         POWER_SUPPLY_PROP_PARALLEL_MODE,
 252         POWER_SUPPLY_PROP_DIE_HEALTH,
 253         POWER_SUPPLY_PROP_CONNECTOR_HEALTH,
 254         POWER_SUPPLY_PROP_CTM_CURRENT_MAX,
 255         POWER_SUPPLY_PROP_HW_CURRENT_MAX,
 256         POWER_SUPPLY_PROP_REAL_TYPE,
 257         POWER_SUPPLY_PROP_HVDCP3_TYPE,
 258         POWER_SUPPLY_PROP_PR_SWAP,
 259         POWER_SUPPLY_PROP_CC_STEP,
 260         POWER_SUPPLY_PROP_CC_STEP_SEL,
 261         POWER_SUPPLY_PROP_SW_JEITA_ENABLED,
 262         POWER_SUPPLY_PROP_PD_VOLTAGE_MAX,
 263         POWER_SUPPLY_PROP_PD_VOLTAGE_MIN,
 264         POWER_SUPPLY_PROP_SDP_CURRENT_MAX,
 265         POWER_SUPPLY_PROP_RERUN_APSD,
 266         POWER_SUPPLY_PROP_TYPE_RECHECK,
 267         POWER_SUPPLY_PROP_FCC_STEPPER_ENABLE,
 268         POWER_SUPPLY_PROP_IGNORE_FALSE_NEGATIVE_ISENSE,
 269         POWER_SUPPLY_PROP_BATTERY_INFO,
 270         POWER_SUPPLY_PROP_BATTERY_INFO_ID,
 271         POWER_SUPPLY_PROP_ENABLE_JEITA_DETECTION,
 272         POWER_SUPPLY_PROP_ALLOW_HVDCP3,
 273         POWER_SUPPLY_PROP_MAX_PULSE_ALLOWED,
 274         /* Local extensions of type int64_t */
 275         POWER_SUPPLY_PROP_CHARGE_COUNTER_EXT,
 276         /* Properties of type `const char *' */
 277         POWER_SUPPLY_PROP_MODEL_NAME,
 278         POWER_SUPPLY_PROP_MANUFACTURER,
 279         POWER_SUPPLY_PROP_SERIAL_NUMBER,
 280         POWER_SUPPLY_PROP_BATTERY_TYPE,
 281         POWER_SUPPLY_PROP_MAX
 282 };
 283
 284 enum power_supply_type {
 285         POWER_SUPPLY_TYPE_UNKNOWN = 0,
 286         POWER_SUPPLY_TYPE_BATTERY,
 287         POWER_SUPPLY_TYPE_UPS,
 288         POWER_SUPPLY_TYPE_MAINS,
 289         POWER_SUPPLY_TYPE_USB,          /* Standard Downstream Port */
 290         POWER_SUPPLY_TYPE_USB_DCP,      /* Dedicated Charging Port */
 291         POWER_SUPPLY_TYPE_USB_CDP,      /* Charging Downstream Port */
 292         POWER_SUPPLY_TYPE_USB_ACA,      /* Accessory Charger Adapters */
 293         POWER_SUPPLY_TYPE_USB_HVDCP,    /* High Voltage DCP */
 294         POWER_SUPPLY_TYPE_USB_HVDCP_3,  /* Efficient High Voltage DCP */
 295         POWER_SUPPLY_TYPE_USB_PD,       /* Power Delivery */
 296         POWER_SUPPLY_TYPE_WIRELESS,     /* Accessory Charger Adapters */
 297         POWER_SUPPLY_TYPE_USB_FLOAT,    /* Floating charger */
 298         POWER_SUPPLY_TYPE_BMS,          /* Battery Monitor System */
 299         POWER_SUPPLY_TYPE_PARALLEL,     /* Parallel Path */
 300         POWER_SUPPLY_TYPE_MAIN,         /* Main Path */
 301         POWER_SUPPLY_TYPE_WIPOWER,      /* Wipower */
 302         POWER_SUPPLY_TYPE_TYPEC,        /* Type-C */
 303         POWER_SUPPLY_TYPE_UFP,          /* Type-C UFP */
 304         POWER_SUPPLY_TYPE_DFP,          /* TYpe-C DFP */
 305 };
 306
 307 /* Indicates USB Type-C CC connection status */
 308 enum power_supply_typec_mode {
 309         POWER_SUPPLY_TYPEC_NONE,
 310
 311         /* Acting as source */
 312         POWER_SUPPLY_TYPEC_SINK,                        /* Rd only */
 313         POWER_SUPPLY_TYPEC_SINK_POWERED_CABLE,          /* Rd/Ra */
 314         POWER_SUPPLY_TYPEC_SINK_DEBUG_ACCESSORY,        /* Rd/Rd */
 315         POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER,          /* Ra/Ra */
 316         POWER_SUPPLY_TYPEC_POWERED_CABLE_ONLY,          /* Ra only */
 317
 318         /* Acting as sink */
 319         POWER_SUPPLY_TYPEC_SOURCE_DEFAULT,              /* Rp default */
 320         POWER_SUPPLY_TYPEC_SOURCE_MEDIUM,               /* Rp 1.5A */
 321         POWER_SUPPLY_TYPEC_SOURCE_HIGH,                 /* Rp 3A */
 322         POWER_SUPPLY_TYPEC_NON_COMPLIANT,
 323 };
 324
 325 enum power_supply_typec_power_role {
 326         POWER_SUPPLY_TYPEC_PR_NONE,     /* CC lines in high-Z */
 327         POWER_SUPPLY_TYPEC_PR_DUAL,
 328         POWER_SUPPLY_TYPEC_PR_SINK,
 329         POWER_SUPPLY_TYPEC_PR_SOURCE,
 330 };
 331
 332 enum power_supply_notifier_events {
 333         PSY_EVENT_PROP_CHANGED,
 334 };
 335
 336 enum vmbms_power_usecase {
 337         VMBMS_IGNORE_ALL_BIT = 1,
 338         VMBMS_VOICE_CALL_BIT = (1 << 4),
 339         VMBMS_STATIC_DISPLAY_BIT = (1 << 5),
 340 };
 341
 342 union power_supply_propval {
 343         int intval;
 344         const char *strval;
 345         int64_t int64val;
 346 };
 347
 348 struct device_node;
 349 struct power_supply;
 350
 351 /* Run-time specific power supply configuration */
 352 struct power_supply_config {
 353         struct device_node *of_node;
 354         /* Driver private data */
 355         void *drv_data;
 356
 357         char **supplied_to;
 358         size_t num_supplicants;
 359 };
 360
 361 /* Description of power supply */
 362 struct power_supply_desc {
 363         const char *name;
 364         enum power_supply_type type;
 365         enum power_supply_property *properties;
 366         size_t num_properties;
 367
 368         /*
 369          * Functions for drivers implementing power supply class.
 370          * These shouldn't be called directly by other drivers for accessing
 371          * this power supply. Instead use power_supply_*() functions (for
 372          * example power_supply_get_property()).
 373          */
 374         int (*get_property)(struct power_supply *psy,
 375                             enum power_supply_property psp,
 376                             union power_supply_propval *val);
 377         int (*set_property)(struct power_supply *psy,
 378                             enum power_supply_property psp,
 379                             const union power_supply_propval *val);
 380         /*
 381          * property_is_writeable() will be called during registration
 382          * of power supply. If this happens during device probe then it must
 383          * not access internal data of device (because probe did not end).
 384          */
 385         int (*property_is_writeable)(struct power_supply *psy,
 386                                      enum power_supply_property psp);
 387         void (*external_power_changed)(struct power_supply *psy);
 388         void (*set_charged)(struct power_supply *psy);
 389
 390         /*
 391          * Set if thermal zone should not be created for this power supply.
 392          * For example for virtual supplies forwarding calls to actual
 393          * sensors or other supplies.
 394          */
 395         bool no_thermal;
 396         /* For APM emulation, think legacy userspace. */
 397         int use_for_apm;
 398 };
 399
 400 struct power_supply {
 401         const struct power_supply_desc *desc;
 402
 403         char **supplied_to;
 404         size_t num_supplicants;
 405
 406         char **supplied_from;
 407         size_t num_supplies;
 408         struct device_node *of_node;
 409
 410         /* Driver private data */
 411         void *drv_data;
 412
 413         /* private */
 414         struct device dev;
 415         struct work_struct changed_work;
 416         struct delayed_work deferred_register_work;
 417         spinlock_t changed_lock;
 418         bool changed;
 419         atomic_t use_cnt;
 420 #ifdef CONFIG_THERMAL
 421         struct thermal_zone_device *tzd;
 422         struct thermal_cooling_device *tcd;
 423 #endif
 424
 425 #ifdef CONFIG_LEDS_TRIGGERS
 426         struct led_trigger *charging_full_trig;
 427         char *charging_full_trig_name;
 428         struct led_trigger *charging_trig;
 429         char *charging_trig_name;
 430         struct led_trigger *full_trig;
 431         char *full_trig_name;
 432         struct led_trigger *online_trig;
 433         char *online_trig_name;
 434         struct led_trigger *charging_blink_full_solid_trig;
 435         char *charging_blink_full_solid_trig_name;
 436 #endif
 437 };
 438
 439 /*
 440  * This is recommended structure to specify static power supply parameters.
 441  * Generic one, parametrizable for different power supplies. Power supply
 442  * class itself does not use it, but that's what implementing most platform
 443  * drivers, should try reuse for consistency.
 444  */
 445
 446 struct power_supply_info {
 447         const char *name;
 448         int technology;
 449         int voltage_max_design;
 450         int voltage_min_design;
 451         int charge_full_design;
 452         int charge_empty_design;
 453         int energy_full_design;
 454         int energy_empty_design;
 455         int use_for_apm;
 456 };
 457
 458 extern struct atomic_notifier_head power_supply_notifier;
 459 extern int power_supply_reg_notifier(struct notifier_block *nb);
 460 extern void power_supply_unreg_notifier(struct notifier_block *nb);
 461 extern struct power_supply *power_supply_get_by_name(const char *name);
 462 extern void power_supply_put(struct power_supply *psy);
 463 #ifdef CONFIG_OF
 464 extern struct power_supply *power_supply_get_by_phandle(struct device_node *np,
 465                                                         const char *property);
 466 extern struct power_supply *devm_power_supply_get_by_phandle(
 467                                     struct device *dev, const char *property);
 468 #else /* !CONFIG_OF */
 469 static inline struct power_supply *
 470 power_supply_get_by_phandle(struct device_node *np, const char *property)
 471 { return NULL; }
 472 static inline struct power_supply *
 473 devm_power_supply_get_by_phandle(struct device *dev, const char *property)
 474 { return NULL; }
 475 #endif /* CONFIG_OF */
 476 extern void power_supply_changed(struct power_supply *psy);
 477 extern int power_supply_am_i_supplied(struct power_supply *psy);
 478 extern int power_supply_set_battery_charged(struct power_supply *psy);
 479
 480 #ifdef CONFIG_POWER_SUPPLY
 481 extern int power_supply_is_system_supplied(void);
 482 #else
 483 static inline int power_supply_is_system_supplied(void) { return -ENOSYS; }
 484 #endif
 485
 486 extern int power_supply_get_property(struct power_supply *psy,
 487                             enum power_supply_property psp,
 488                             union power_supply_propval *val);
 489 extern int power_supply_set_property(struct power_supply *psy,
 490                             enum power_supply_property psp,
 491                             const union power_supply_propval *val);
 492 extern int power_supply_property_is_writeable(struct power_supply *psy,
 493                                         enum power_supply_property psp);
 494 extern void power_supply_external_power_changed(struct power_supply *psy);
 495
 496 extern struct power_supply *__must_check
 497 power_supply_register(struct device *parent,
 498                                  const struct power_supply_desc *desc,
 499                                  const struct power_supply_config *cfg);
 500 extern struct power_supply *__must_check
 501 power_supply_register_no_ws(struct device *parent,
 502                                  const struct power_supply_desc *desc,
 503                                  const struct power_supply_config *cfg);
 504 extern struct power_supply *__must_check
 505 devm_power_supply_register(struct device *parent,
 506                                  const struct power_supply_desc *desc,
 507                                  const struct power_supply_config *cfg);
 508 extern struct power_supply *__must_check
 509 devm_power_supply_register_no_ws(struct device *parent,
 510                                  const struct power_supply_desc *desc,
 511                                  const struct power_supply_config *cfg);
 512 extern void power_supply_unregister(struct power_supply *psy);
 513 extern int power_supply_powers(struct power_supply *psy, struct device *dev);
 514
 515 extern void *power_supply_get_drvdata(struct power_supply *psy);
 516 /* For APM emulation, think legacy userspace. */
 517 extern struct class *power_supply_class;
 518
 519 static inline bool power_supply_is_amp_property(enum power_supply_property psp)
 520 {
 521         switch (psp) {
 522         case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
 523         case POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN:
 524         case POWER_SUPPLY_PROP_CHARGE_FULL:
 525         case POWER_SUPPLY_PROP_CHARGE_EMPTY:
 526         case POWER_SUPPLY_PROP_CHARGE_NOW:
 527         case POWER_SUPPLY_PROP_CHARGE_AVG:
 528         case POWER_SUPPLY_PROP_CHARGE_COUNTER:
 529         case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
 530         case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX:
 531         case POWER_SUPPLY_PROP_CURRENT_MAX:
 532         case POWER_SUPPLY_PROP_CURRENT_NOW:
 533         case POWER_SUPPLY_PROP_CURRENT_AVG:
 534         case POWER_SUPPLY_PROP_CURRENT_BOOT:
 535         case POWER_SUPPLY_PROP_CHARGE_COUNTER_SHADOW:
 536         case POWER_SUPPLY_PROP_INPUT_CURRENT_MAX:
 537         case POWER_SUPPLY_PROP_FLASH_CURRENT_MAX:
 538                 return 1;
 539         default:
 540                 break;
 541         }
 542
 543         return 0;
 544 }
 545
 546 static inline bool power_supply_is_watt_property(enum power_supply_property psp)
 547 {
 548         switch (psp) {
 549         case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:
 550         case POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN:
 551         case POWER_SUPPLY_PROP_ENERGY_FULL:
 552         case POWER_SUPPLY_PROP_ENERGY_EMPTY:
 553         case POWER_SUPPLY_PROP_ENERGY_NOW:
 554         case POWER_SUPPLY_PROP_ENERGY_AVG:
 555         case POWER_SUPPLY_PROP_VOLTAGE_MAX:
 556         case POWER_SUPPLY_PROP_VOLTAGE_MIN:
 557         case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
 558         case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
 559         case POWER_SUPPLY_PROP_VOLTAGE_NOW:
 560         case POWER_SUPPLY_PROP_VOLTAGE_AVG:
 561         case POWER_SUPPLY_PROP_VOLTAGE_OCV:
 562         case POWER_SUPPLY_PROP_VOLTAGE_BOOT:
 563         case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
 564         case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX:
 565         case POWER_SUPPLY_PROP_POWER_NOW:
 566                 return 1;
 567         default:
 568                 break;
 569         }
 570
 571         return 0;
 572 }
 573
 574 #endif /* __LINUX_POWER_SUPPLY_H__ */