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https://github.com/team-infusion-developers/android_kernel_samsung_msm8976.git
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97a776d646
Add the properties CHARGE_NOW_RAW, CHARGE_NOW_ERROR, and CAPACITY_RAW to the power supply framework in order to report fuel gauge internal variables. CRs-Fixed: 808597 Change-Id: Ia39dd191de9ce121099560c09bf2e5d501f78bc7 Signed-off-by: Xiaozhe Shi <xiaozhes@codeaurora.org>
416 lines
14 KiB
C
416 lines
14 KiB
C
/*
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* Universal power supply monitor class
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*
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* Copyright © 2007 Anton Vorontsov <cbou@mail.ru>
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* Copyright © 2004 Szabolcs Gyurko
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* Copyright © 2003 Ian Molton <spyro@f2s.com>
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*
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* Modified: 2004, Oct Szabolcs Gyurko
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*
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* You may use this code as per GPL version 2
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*/
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#ifndef __LINUX_POWER_SUPPLY_H__
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#define __LINUX_POWER_SUPPLY_H__
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#include <linux/workqueue.h>
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#include <linux/leds.h>
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#include <linux/types.h>
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struct device;
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/*
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* All voltages, currents, charges, energies, time and temperatures in uV,
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* µA, µAh, µWh, seconds and tenths of degree Celsius unless otherwise
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* stated. It's driver's job to convert its raw values to units in which
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* this class operates.
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*/
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/*
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* For systems where the charger determines the maximum battery capacity
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* the min and max fields should be used to present these values to user
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* space. Unused/unknown fields will not appear in sysfs.
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*/
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enum {
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POWER_SUPPLY_STATUS_UNKNOWN = 0,
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POWER_SUPPLY_STATUS_CHARGING,
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POWER_SUPPLY_STATUS_DISCHARGING,
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POWER_SUPPLY_STATUS_NOT_CHARGING,
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POWER_SUPPLY_STATUS_FULL,
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};
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enum {
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POWER_SUPPLY_CHARGE_TYPE_UNKNOWN = 0,
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POWER_SUPPLY_CHARGE_TYPE_NONE,
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POWER_SUPPLY_CHARGE_TYPE_TRICKLE,
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POWER_SUPPLY_CHARGE_TYPE_FAST,
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POWER_SUPPLY_CHARGE_TYPE_TAPER,
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};
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enum {
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POWER_SUPPLY_HEALTH_UNKNOWN = 0,
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POWER_SUPPLY_HEALTH_GOOD,
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POWER_SUPPLY_HEALTH_OVERHEAT,
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POWER_SUPPLY_HEALTH_WARM,
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POWER_SUPPLY_HEALTH_DEAD,
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POWER_SUPPLY_HEALTH_OVERVOLTAGE,
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POWER_SUPPLY_HEALTH_UNSPEC_FAILURE,
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POWER_SUPPLY_HEALTH_COLD,
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POWER_SUPPLY_HEALTH_COOL,
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POWER_SUPPLY_HEALTH_WATCHDOG_TIMER_EXPIRE,
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POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE,
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};
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enum {
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POWER_SUPPLY_TECHNOLOGY_UNKNOWN = 0,
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POWER_SUPPLY_TECHNOLOGY_NiMH,
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POWER_SUPPLY_TECHNOLOGY_LION,
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POWER_SUPPLY_TECHNOLOGY_LIPO,
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POWER_SUPPLY_TECHNOLOGY_LiFe,
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POWER_SUPPLY_TECHNOLOGY_NiCd,
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POWER_SUPPLY_TECHNOLOGY_LiMn,
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};
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enum {
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POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN = 0,
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POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL,
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POWER_SUPPLY_CAPACITY_LEVEL_LOW,
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POWER_SUPPLY_CAPACITY_LEVEL_NORMAL,
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POWER_SUPPLY_CAPACITY_LEVEL_HIGH,
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POWER_SUPPLY_CAPACITY_LEVEL_FULL,
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};
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enum {
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POWER_SUPPLY_SCOPE_UNKNOWN = 0,
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POWER_SUPPLY_SCOPE_SYSTEM,
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POWER_SUPPLY_SCOPE_DEVICE,
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};
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enum power_supply_property {
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/* Properties of type `int' */
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POWER_SUPPLY_PROP_STATUS = 0,
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POWER_SUPPLY_PROP_CHARGE_TYPE,
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POWER_SUPPLY_PROP_HEALTH,
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POWER_SUPPLY_PROP_PRESENT,
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POWER_SUPPLY_PROP_ONLINE,
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POWER_SUPPLY_PROP_AUTHENTIC,
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POWER_SUPPLY_PROP_BATTERY_CHARGING_ENABLED,
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POWER_SUPPLY_PROP_CHARGING_ENABLED,
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POWER_SUPPLY_PROP_TECHNOLOGY,
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POWER_SUPPLY_PROP_CYCLE_COUNT,
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POWER_SUPPLY_PROP_VOLTAGE_MAX,
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POWER_SUPPLY_PROP_VOLTAGE_MIN,
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POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
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POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
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POWER_SUPPLY_PROP_VOLTAGE_NOW,
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POWER_SUPPLY_PROP_VOLTAGE_AVG,
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POWER_SUPPLY_PROP_VOLTAGE_OCV,
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POWER_SUPPLY_PROP_INPUT_VOLTAGE_REGULATION,
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POWER_SUPPLY_PROP_CURRENT_MAX,
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POWER_SUPPLY_PROP_INPUT_CURRENT_MAX,
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POWER_SUPPLY_PROP_INPUT_CURRENT_TRIM,
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POWER_SUPPLY_PROP_INPUT_CURRENT_SETTLED,
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POWER_SUPPLY_PROP_VCHG_LOOP_DBC_BYPASS,
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POWER_SUPPLY_PROP_CURRENT_NOW,
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POWER_SUPPLY_PROP_CURRENT_AVG,
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POWER_SUPPLY_PROP_POWER_NOW,
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POWER_SUPPLY_PROP_POWER_AVG,
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POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
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POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN,
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POWER_SUPPLY_PROP_CHARGE_FULL,
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POWER_SUPPLY_PROP_CHARGE_EMPTY,
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POWER_SUPPLY_PROP_CHARGE_NOW,
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POWER_SUPPLY_PROP_CHARGE_NOW_RAW,
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POWER_SUPPLY_PROP_CHARGE_NOW_ERROR,
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POWER_SUPPLY_PROP_CHARGE_AVG,
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POWER_SUPPLY_PROP_CHARGE_COUNTER,
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POWER_SUPPLY_PROP_CHARGE_COUNTER_SHADOW,
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POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT,
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POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX,
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POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
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POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX,
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POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT,
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POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX,
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POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
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POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN,
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POWER_SUPPLY_PROP_ENERGY_FULL,
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POWER_SUPPLY_PROP_ENERGY_EMPTY,
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POWER_SUPPLY_PROP_ENERGY_NOW,
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POWER_SUPPLY_PROP_ENERGY_AVG,
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POWER_SUPPLY_PROP_HI_POWER,
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POWER_SUPPLY_PROP_LOW_POWER,
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POWER_SUPPLY_PROP_CAPACITY, /* in percents! */
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POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN, /* in percents! */
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POWER_SUPPLY_PROP_CAPACITY_ALERT_MAX, /* in percents! */
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POWER_SUPPLY_PROP_CAPACITY_LEVEL,
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POWER_SUPPLY_PROP_CAPACITY_RAW,
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POWER_SUPPLY_PROP_TEMP,
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POWER_SUPPLY_PROP_TEMP_ALERT_MIN,
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POWER_SUPPLY_PROP_TEMP_ALERT_MAX,
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POWER_SUPPLY_PROP_COOL_TEMP,
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POWER_SUPPLY_PROP_WARM_TEMP,
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POWER_SUPPLY_PROP_TEMP_AMBIENT,
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POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MIN,
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POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MAX,
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POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW,
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POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
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POWER_SUPPLY_PROP_TIME_TO_FULL_NOW,
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POWER_SUPPLY_PROP_TIME_TO_FULL_AVG,
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POWER_SUPPLY_PROP_TYPE, /* use power_supply.type instead */
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POWER_SUPPLY_PROP_SCOPE,
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POWER_SUPPLY_PROP_SYSTEM_TEMP_LEVEL,
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POWER_SUPPLY_PROP_RESISTANCE,
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POWER_SUPPLY_PROP_RESISTANCE_CAPACITIVE,
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/* unit is in ohms due to ID being typically in kohm range */
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POWER_SUPPLY_PROP_RESISTANCE_ID,
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POWER_SUPPLY_PROP_RESISTANCE_NOW,
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/* Local extensions */
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POWER_SUPPLY_PROP_USB_HC,
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POWER_SUPPLY_PROP_USB_OTG,
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POWER_SUPPLY_PROP_CHARGE_ENABLED,
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POWER_SUPPLY_PROP_FLASH_CURRENT_MAX,
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POWER_SUPPLY_PROP_UPDATE_NOW,
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POWER_SUPPLY_PROP_ESR_COUNT,
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POWER_SUPPLY_PROP_SAFETY_TIMER_ENABLE,
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POWER_SUPPLY_PROP_CHARGE_DONE,
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POWER_SUPPLY_PROP_ALLOW_DETECTION,
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POWER_SUPPLY_PROP_FLASH_ACTIVE,
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/* Local extensions of type int64_t */
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POWER_SUPPLY_PROP_CHARGE_COUNTER_EXT,
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/* Properties of type `const char *' */
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POWER_SUPPLY_PROP_MODEL_NAME,
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POWER_SUPPLY_PROP_MANUFACTURER,
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POWER_SUPPLY_PROP_SERIAL_NUMBER,
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POWER_SUPPLY_PROP_BATTERY_TYPE,
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};
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enum power_supply_type {
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POWER_SUPPLY_TYPE_UNKNOWN = 0,
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POWER_SUPPLY_TYPE_BATTERY,
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POWER_SUPPLY_TYPE_UPS,
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POWER_SUPPLY_TYPE_MAINS,
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POWER_SUPPLY_TYPE_USB, /* Standard Downstream Port */
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POWER_SUPPLY_TYPE_USB_DCP, /* Dedicated Charging Port */
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POWER_SUPPLY_TYPE_USB_CDP, /* Charging Downstream Port */
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POWER_SUPPLY_TYPE_USB_ACA, /* Accessory Charger Adapters */
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POWER_SUPPLY_TYPE_USB_HVDCP, /* High Voltage DCP */
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POWER_SUPPLY_TYPE_WIRELESS, /* Accessory Charger Adapters */
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POWER_SUPPLY_TYPE_BMS, /* Battery Monitor System */
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POWER_SUPPLY_TYPE_USB_PARALLEL, /* USB Parallel Path */
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POWER_SUPPLY_TYPE_WIPOWER, /* Wipower */
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};
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union power_supply_propval {
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int intval;
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const char *strval;
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int64_t int64val;
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};
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struct power_supply {
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const char *name;
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enum power_supply_type type;
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enum power_supply_property *properties;
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size_t num_properties;
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char **supplied_to;
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size_t num_supplicants;
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char **supplied_from;
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size_t num_supplies;
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#ifdef CONFIG_OF
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struct device_node *of_node;
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#endif
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int (*get_property)(struct power_supply *psy,
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enum power_supply_property psp,
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union power_supply_propval *val);
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int (*set_property)(struct power_supply *psy,
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enum power_supply_property psp,
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const union power_supply_propval *val);
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int (*property_is_writeable)(struct power_supply *psy,
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enum power_supply_property psp);
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void (*external_power_changed)(struct power_supply *psy);
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void (*set_charged)(struct power_supply *psy);
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/* For APM emulation, think legacy userspace. */
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int use_for_apm;
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/* private */
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struct device *dev;
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struct work_struct changed_work;
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spinlock_t changed_lock;
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bool changed;
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#ifdef CONFIG_THERMAL
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struct thermal_zone_device *tzd;
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struct thermal_cooling_device *tcd;
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#endif
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#ifdef CONFIG_LEDS_TRIGGERS
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struct led_trigger *charging_full_trig;
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char *charging_full_trig_name;
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struct led_trigger *charging_trig;
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char *charging_trig_name;
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struct led_trigger *full_trig;
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char *full_trig_name;
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struct led_trigger *online_trig;
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char *online_trig_name;
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struct led_trigger *charging_blink_full_solid_trig;
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char *charging_blink_full_solid_trig_name;
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#endif
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};
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/*
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* This is recommended structure to specify static power supply parameters.
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* Generic one, parametrizable for different power supplies. Power supply
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* class itself does not use it, but that's what implementing most platform
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* drivers, should try reuse for consistency.
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*/
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struct power_supply_info {
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const char *name;
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int technology;
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int voltage_max_design;
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int voltage_min_design;
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int charge_full_design;
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int charge_empty_design;
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int energy_full_design;
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int energy_empty_design;
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int use_for_apm;
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};
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#if defined(CONFIG_POWER_SUPPLY)
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extern struct power_supply *power_supply_get_by_name(const char *name);
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extern void power_supply_changed(struct power_supply *psy);
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extern int power_supply_am_i_supplied(struct power_supply *psy);
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extern int power_supply_set_battery_charged(struct power_supply *psy);
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extern int power_supply_set_current_limit(struct power_supply *psy, int limit);
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extern int power_supply_set_voltage_limit(struct power_supply *psy, int limit);
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extern int power_supply_set_online(struct power_supply *psy, bool enable);
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extern int power_supply_set_health_state(struct power_supply *psy, int health);
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extern int power_supply_set_present(struct power_supply *psy, bool enable);
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extern int power_supply_set_scope(struct power_supply *psy, int scope);
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extern int power_supply_set_usb_otg(struct power_supply *psy, int otg);
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extern int power_supply_set_charge_type(struct power_supply *psy, int type);
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extern int power_supply_set_supply_type(struct power_supply *psy,
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enum power_supply_type supply_type);
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extern int power_supply_set_hi_power_state(struct power_supply *psy, int value);
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extern int power_supply_set_low_power_state(struct power_supply *psy,
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int value);
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extern int power_supply_set_allow_detection(struct power_supply *psy,
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int value);
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extern int power_supply_is_system_supplied(void);
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extern int power_supply_register(struct device *parent,
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struct power_supply *psy);
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extern void power_supply_unregister(struct power_supply *psy);
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extern int power_supply_powers(struct power_supply *psy, struct device *dev);
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#else
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static inline struct power_supply *power_supply_get_by_name(char *name)
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{ return NULL; }
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static inline void power_supply_changed(struct power_supply *psy) { }
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static inline int power_supply_am_i_supplied(struct power_supply *psy)
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{ return -ENOSYS; }
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static inline int power_supply_set_battery_charged(struct power_supply *psy)
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{ return -ENOSYS; }
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static inline int power_supply_set_voltage_limit(struct power_supply *psy,
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int limit)
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{ return -ENOSYS; }
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static inline int power_supply_set_current_limit(struct power_supply *psy,
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int limit)
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{ return -ENOSYS; }
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static inline int power_supply_set_online(struct power_supply *psy,
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bool enable)
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{ return -ENOSYS; }
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static inline int power_supply_set_health_state(struct power_supply *psy,
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int health)
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{ return -ENOSYS; }
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static inline int power_supply_set_present(struct power_supply *psy,
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bool enable)
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{ return -ENOSYS; }
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static inline int power_supply_set_scope(struct power_supply *psy,
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int scope)
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{ return -ENOSYS; }
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static inline int power_supply_set_usb_otg(struct power_supply *psy, int otg)
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{ return -ENOSYS; }
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static inline int power_supply_set_charge_type(struct power_supply *psy,
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int type)
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{ return -ENOSYS; }
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static inline int power_supply_set_supply_type(struct power_supply *psy,
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enum power_supply_type supply_type)
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{ return -ENOSYS; }
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static inline int power_supply_set_hi_power_state(struct power_supply *psy,
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int value)
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{ return -ENOSYS; }
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static inline int power_supply_set_low_power_state(struct power_supply *psy,
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int value)
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{ return -ENOSYS; }
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static inline int power_supply_set_allow_detection(struct power_supply *psy,
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int value)
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{ return -ENOSYS; }
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static inline int power_supply_is_system_supplied(void) { return -ENOSYS; }
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static inline int power_supply_register(struct device *parent,
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struct power_supply *psy)
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{ return -ENOSYS; }
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static inline void power_supply_unregister(struct power_supply *psy) { }
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static inline int power_supply_powers(struct power_supply *psy,
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struct device *dev)
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{ return -ENOSYS; }
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#endif
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/* For APM emulation, think legacy userspace. */
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extern struct class *power_supply_class;
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static inline bool power_supply_is_amp_property(enum power_supply_property psp)
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{
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switch (psp) {
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case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
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case POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN:
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case POWER_SUPPLY_PROP_CHARGE_FULL:
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case POWER_SUPPLY_PROP_CHARGE_EMPTY:
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case POWER_SUPPLY_PROP_CHARGE_NOW:
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case POWER_SUPPLY_PROP_CHARGE_AVG:
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case POWER_SUPPLY_PROP_CHARGE_COUNTER:
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case POWER_SUPPLY_PROP_CHARGE_COUNTER_SHADOW:
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case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
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case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX:
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case POWER_SUPPLY_PROP_CURRENT_MAX:
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case POWER_SUPPLY_PROP_INPUT_CURRENT_MAX:
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case POWER_SUPPLY_PROP_CURRENT_NOW:
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case POWER_SUPPLY_PROP_CURRENT_AVG:
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case POWER_SUPPLY_PROP_FLASH_CURRENT_MAX:
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return 1;
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default:
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break;
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}
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return 0;
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}
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static inline bool power_supply_is_watt_property(enum power_supply_property psp)
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{
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switch (psp) {
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case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:
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case POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN:
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case POWER_SUPPLY_PROP_ENERGY_FULL:
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case POWER_SUPPLY_PROP_ENERGY_EMPTY:
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case POWER_SUPPLY_PROP_ENERGY_NOW:
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case POWER_SUPPLY_PROP_ENERGY_AVG:
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case POWER_SUPPLY_PROP_VOLTAGE_MAX:
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case POWER_SUPPLY_PROP_VOLTAGE_MIN:
|
|
case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
|
|
case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
|
|
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
|
|
case POWER_SUPPLY_PROP_VOLTAGE_AVG:
|
|
case POWER_SUPPLY_PROP_VOLTAGE_OCV:
|
|
case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
|
|
case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX:
|
|
case POWER_SUPPLY_PROP_POWER_NOW:
|
|
return 1;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif /* __LINUX_POWER_SUPPLY_H__ */
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