1 /* SPDX-License-Identifier: GPL-2.0-only */
50 	POWER_SUPPLY_CHARGE_TYPE_CUSTOM,	/* use CHARGE_CONTROL_* props */
164 	POWER_SUPPLY_PROP_TYPE, /* use power_supply.type instead */
226 /* Run-time specific power supply configuration */
253 	 * this power supply. Instead use power_supply_*() functions (for
326  * class itself does not use it, but that's what implementing most platform
358  * struct power_supply_maintenance_charge_table - setting for maintenace charging
368  *   time in minutes. We will only use maintenance charging in this setting
391  *  +-------------------------------------------------------------------> t
393  * Practically this means that the Li-ions are wandering back and forth in the
404  *  +-------------------------------------------------------------------> t
415  * As an example, a Samsung EB425161LA Lithium-Ion battery is CC/CV charged
422  * the user to disconnect the device and make use of it before both maintenance
430  * the expected stand-by current. Also overvoltage protection will be applied
442  * struct power_supply_battery_info - information about batteries
458  * @precharge_current_ua: current to use in the precharge phase in microamperes,
467  *   poles reach charge_restart_voltage_uv unless we use maintenance charging.
476  * @constant_charge_current_max_ua: current in microamperes to use in the CC
488  * @alert_low_temp_charge_current_ua: The charging current to use if the battery
494  * @alert_high_temp_charge_current_ua: The charging current to use if the
514  *   indicating which capacity table to use for a certain temperature, since
569  *   for example 10 for +/- 10%, if the bti_resistance is set to 7000 and the
575  * use these for consistency.
578  * The default field value is -EINVAL or NULL for pointers.
587  * |                                               --- overvoltage_limit_uv
600  * +------------------------------------------------------------------> time
617  * +-----------------------------------------------------------------> time
628  * 2. Next a small initial pre-charge current (precharge_current_ua)
631  *    to as "trickle charging" but the use in the Linux kernel is different
669  * many chargers uses a so-called fuel gauge or coloumb counter that measure
670  * how much charge goes into the battery and how much goes out (+/- leak
673  * and charged in a separate charger. Therefore many capacity algorithms use
674  * the open circuit voltage with a look-up table to determine the rough
679  *      +-------> IBAT >----------------+
683  *      o <----------        |          |
685  *    .---.         |        |          |
687  *    '---'         |        |          |
689  *  GND +-------------------------------+
704  *   OCV = VBAT - (IBAT * Ri)
725  * The power supply class itself doesn't use this struct as of now.
834 	return ((info->vbat2ri_discharging != NULL) &&  in power_supply_supports_vbat2ri()
835 		info->vbat2ri_discharging_size > 0);  in power_supply_supports_vbat2ri()
841 	return ((info->resist_table != NULL) &&  in power_supply_supports_temp2ri()
842 		info->resist_table_size > 0);  in power_supply_supports_temp2ri()
848 static inline int power_supply_is_system_supplied(void) { return -ENOSYS; }  in power_supply_is_system_supplied()
896 	case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:  in power_supply_is_amp_property()
897 	case POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN:  in power_supply_is_amp_property()
898 	case POWER_SUPPLY_PROP_CHARGE_FULL:  in power_supply_is_amp_property()
899 	case POWER_SUPPLY_PROP_CHARGE_EMPTY:  in power_supply_is_amp_property()
900 	case POWER_SUPPLY_PROP_CHARGE_NOW:  in power_supply_is_amp_property()
901 	case POWER_SUPPLY_PROP_CHARGE_AVG:  in power_supply_is_amp_property()
902 	case POWER_SUPPLY_PROP_CHARGE_COUNTER:  in power_supply_is_amp_property()
903 	case POWER_SUPPLY_PROP_PRECHARGE_CURRENT:  in power_supply_is_amp_property()
904 	case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT:  in power_supply_is_amp_property()
905 	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:  in power_supply_is_amp_property()
906 	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX:  in power_supply_is_amp_property()
907 	case POWER_SUPPLY_PROP_CURRENT_MAX:  in power_supply_is_amp_property()
908 	case POWER_SUPPLY_PROP_CURRENT_NOW:  in power_supply_is_amp_property()
909 	case POWER_SUPPLY_PROP_CURRENT_AVG:  in power_supply_is_amp_property()
910 	case POWER_SUPPLY_PROP_CURRENT_BOOT:  in power_supply_is_amp_property()
922 	case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:  in power_supply_is_watt_property()
923 	case POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN:  in power_supply_is_watt_property()
924 	case POWER_SUPPLY_PROP_ENERGY_FULL:  in power_supply_is_watt_property()
925 	case POWER_SUPPLY_PROP_ENERGY_EMPTY:  in power_supply_is_watt_property()
926 	case POWER_SUPPLY_PROP_ENERGY_NOW:  in power_supply_is_watt_property()
927 	case POWER_SUPPLY_PROP_ENERGY_AVG:  in power_supply_is_watt_property()
928 	case POWER_SUPPLY_PROP_VOLTAGE_MAX:  in power_supply_is_watt_property()
929 	case POWER_SUPPLY_PROP_VOLTAGE_MIN:  in power_supply_is_watt_property()
930 	case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:  in power_supply_is_watt_property()
931 	case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:  in power_supply_is_watt_property()
932 	case POWER_SUPPLY_PROP_VOLTAGE_NOW:  in power_supply_is_watt_property()
933 	case POWER_SUPPLY_PROP_VOLTAGE_AVG:  in power_supply_is_watt_property()
934 	case POWER_SUPPLY_PROP_VOLTAGE_OCV:  in power_supply_is_watt_property()
935 	case POWER_SUPPLY_PROP_VOLTAGE_BOOT:  in power_supply_is_watt_property()
936 	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:  in power_supply_is_watt_property()
937 	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX:  in power_supply_is_watt_property()
938 	case POWER_SUPPLY_PROP_POWER_NOW:  in power_supply_is_watt_property()
974 	return -EOPNOTSUPP;  in power_supply_charge_behaviour_show()
980 	return -EOPNOTSUPP;  in power_supply_charge_behaviour_parse()