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/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* TPSChrome PMU APIs.
*/
#ifndef __CROS_EC_TPSCHROME_H
#define __CROS_EC_TPSCHROME_H
#define FET_BACKLIGHT 1
#define FET_LCD_PANEL 6
/**
* Read pmu register
*
* @param reg register offset
* @param value pointer to output value
* @return return EC_SUCCESS on success, err code otherwise
*/
int pmu_read(int reg, int *value);
/**
* Write pmu register
*
* @param reg register offset
* @param value new register value
* @return return EC_SUCCESS on success, err code otherwise
*/
int pmu_write(int reg, int value);
/**
* Check pmu charger alarm
*
* @return 0 if there's no charging alarm or pmu access failed
* @return 1 if charger over current or over heat
*/
int pmu_is_charger_alarm(void);
/**
* Get pmu power source
*
* @param ac_good pointer to output value of ac voltage good
* @param battery_good pointer to output value of battery voltage good
* @return EC_SUCCESS if ac_good and battery_good are set
*/
int pmu_get_power_source(int *ac_good, int *battery_good);
/**
* Enable/disable pmu fet
*
* @param fet_id the fet to control
* @param enable 0 to disable the fet, 1 to enable
* @param power_good pointer to value of fet power good
* @return EC_SUCCESS if the communication to pmu succeeded
*/
int pmu_enable_fet(int fet_id, int enable, int *power_good);
/**
* Enable/disable pmu internal charger
*
* @param enable 0 to disable the charger, 1 to enable
* @return EC_SUCCESS if no I2C communication error
*/
int pmu_enable_charger(int enable);
/**
* * Initialize pmu
* */
void pmu_init(void);
#endif /* __CROS_EC_TPSCHROME_H */
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