M7350/kernel/include/linux/pmic8058-charger.h
2024-09-09 08:52:07 +00:00

85 lines
2.9 KiB
C

/* Copyright (c) 2011, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __PMIC8058_CHARGER_H__
#define __PMIC8058_CHARGER_H__
/**
* enum pmic8058_chg_state - pmic8058 charging states
* @PMIC8058_CHG_STATE_NONE: Initial off state
* @PMIC8058_CHG_STATE_PWR_CHG: Device powered from charger
* @PMIC8058_CHG_STATE_ATC: Device is Auto Tricke Charged (ATC)
* @PMIC8058_CHG_STATE_PWR_BAT: Device powered from Battery
* @PMIC8058_CHG_STATE_ATC_FAIL: ATC failed
* @PMIC8058_CHG_STATE_AUX_EN: Transient state
* @PMIC8058_CHG_STATE_PON_AFTER_ATC: Power on from battery and chg with limit
* of 90mA
* @PMIC8058_CHG_STATE_FAST_CHG: pmic is fast charging the battery
* @PMIC8058_CHG_STATE_TRKL_CHG: pmic is trck charging the battery
* @PMIC8058_CHG_STATE_CHG_FAIL: charging failed
* @PMIC8058_CHG_STATE_EOC: end of charging reached
* @PMIC8058_CHG_STATE_INRUSH_LIMIT: Brings up Vdd with 90mA max drawn from
* VBUS
* @PMIC8058_CHG_STATE_USB_SUSPENDED: USB supended, no current drawn from VBUS
* @PMIC8058_CHG_STATE_PAUSE_ATC: ATC paused
* @PMIC8058_CHG_STATE_PAUSE_FAST_CHG: FAST charging paused
* @PMIC8058_CHG_STATE_PAUSE_TRKL_CHG: TRLK charging paused
*
* The paused states happen when a unfavourable condition for charging is
* detected. The most common one being the battery gets too hot ot gets
* too cold for charging.
*/
enum pmic8058_chg_state {
PMIC8058_CHG_STATE_NONE,
PMIC8058_CHG_STATE_PWR_CHG,
PMIC8058_CHG_STATE_ATC,
PMIC8058_CHG_STATE_PWR_BAT,
PMIC8058_CHG_STATE_ATC_FAIL,
PMIC8058_CHG_STATE_AUX_EN,
PMIC8058_CHG_STATE_PON_AFTER_ATC,
PMIC8058_CHG_STATE_FAST_CHG,
PMIC8058_CHG_STATE_TRKL_CHG,
PMIC8058_CHG_STATE_CHG_FAIL,
PMIC8058_CHG_STATE_EOC,
PMIC8058_CHG_STATE_INRUSH_LIMIT,
PMIC8058_CHG_STATE_USB_SUSPENDED,
PMIC8058_CHG_STATE_PAUSE_ATC,
PMIC8058_CHG_STATE_PAUSE_FAST_CHG,
PMIC8058_CHG_STATE_PAUSE_TRKL_CHG
};
#if defined(CONFIG_BATTERY_MSM8X60) || defined(CONFIG_BATTERY_MSM8X60_MODULE)
int pmic8058_get_charge_batt(void);
int pmic8058_set_charge_batt(int);
/**
* pmic8058_get_fsm_state -
*
* CONTEXT: may sleep - should not be called from non-atomic context
*
* RETURNS: The pmic internal state, or error otherwise
*/
enum pmic8058_chg_state pmic8058_get_fsm_state(void);
#else
int pmic8058_get_charge_batt(void)
{
return -ENXIO;
}
int pmic8058_set_charge_batt(int)
{
return -ENXIO;
}
enum pmic8058_chg_state pmic8058_get_fsm_state(void)
{
return -ENXIO;
}
#endif
#endif /* __PMIC8058_CHARGER_H__ */