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/* Copyright 2020 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef __CROS_EC_REGULATOR_H
#define __CROS_EC_REGULATOR_H
#include "common.h"
/*
* Board dependent hooks on voltage regulators.
*
* These functions should be implemented by boards which
* CONFIG_HOSTCMD_REGULATOR is defined.
*/
/*
* Get basic info of voltage regulator for given index.
*
* Note that the maximum length of name is EC_REGULATOR_NAME_MAX_LEN, and the
* maximum length of the voltages_mv list is EC_REGULATOR_VOLTAGE_MAX_COUNT.
*/
int board_regulator_get_info(uint32_t index, char *name,
uint16_t *voltage_count, uint16_t *voltages_mv);
/*
* Configure the regulator as enabled / disabled.
*/
int board_regulator_enable(uint32_t index, uint8_t enable);
/*
* Query if the regulator is enabled.
*/
int board_regulator_is_enabled(uint32_t index, uint8_t *enabled);
/*
* Set voltage for the voltage regulator within the range specified.
*
* The driver should select the voltage in range closest to min_mv.
*
* Also note that this might be called before the regulator is enabled, and the
* setting should be in effect after the regulator is enabled.
*/
int board_regulator_set_voltage(uint32_t index, uint32_t min_mv,
uint32_t max_mv);
/*
* Get the currently configured voltage for the voltage regulator.
*
* Note that this might be called before the regulator is enabled.
*/
int board_regulator_get_voltage(uint32_t index, uint32_t *voltage_mv);
#endif /* !defined(__CROS_EC_REGULATOR_H) */
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