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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2012 Samsung Electronics
* Lukasz Majewski <l.majewski@samsung.com>
*/
#ifndef __POWER_BATTERY_H_
#define __POWER_BATTERY_H_
#ifndef CONFIG_DM_BATTERY
/* TODO: remove this once all users have been moved over to DM */
struct battery {
unsigned int version;
unsigned int state_of_chrg;
unsigned int time_to_empty;
unsigned int capacity;
unsigned int voltage_uV;
unsigned int state;
};
int power_bat_init(unsigned char bus);
#else
enum dm_battery_state {
BAT_STATE_UNUSED = 0, /* never used */
BAT_STATE_NOT_PRESENT, /* battery is not present */
BAT_STATE_NEED_CHARGING, /* battery needs charging (i.e. low SOC or voltage) */
BAT_STATE_NORMAL, /* battery is OK */
};
/* Battery device operations */
struct dm_battery_ops {
/**
* Get the current voltage of the battery.
* @dev - battery device
* @uV - pointer to place to store voltage, in microvolts
* @return 0 if success, -errno otherwise.
*/
int (*get_voltage)(struct udevice *dev, unsigned int *uV);
/**
* Get the current battery status
* @dev - battery device
* @return -errno on error, enum dm_battery_state otherwise
*/
int (*get_status)(struct udevice *dev);
/**
* Get the battery's State Of Charge (SOC)
* @dev - battery device
* @return 0-100 value representing current battery charge percentage, -errno on error
*/
int (*get_soc)(struct udevice *dev);
};
int battery_get(const char *devname, struct udevice **devp);
int battery_get_voltage(struct udevice *dev, unsigned int *uV);
int battery_get_status(struct udevice *dev);
int battery_get_soc(struct udevice *dev);
#endif /* CONFIG_DM_BATTERY */
#endif /* __POWER_BATTERY_H_ */
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