/*
 * Copyright (C) 2017, Theobroma Systems.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * Neither the name of ARM nor the names of its contributors may be used
 * to endorse or promote products derived from this software without specific
 * prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __SUNXI_POWER_H__
#define __SUNXI_POWER_H__

#include <bl_common.h>
#include <platform_def.h>

int sunxi_pmic_setup(void);

/* Register-level access */
int sunxi_pmic_read(uint8_t address, uint8_t *value);
int sunxi_pmic_write(uint8_t address, uint8_t value);
int sunxi_pmic_set_bit(uint8_t address, uint8_t bit);
int sunxi_pmic_clear_bit(uint8_t address, uint8_t bit);

/* Regulator-level access */
enum axp803_regulator {
	AXP803_DLDO1,
	AXP803_DLDO2,
	AXP803_DLDO3,
	AXP803_DLDO4,
	AXP803_ELDO1,
	AXP803_ELDO2,
	AXP803_ELDO3,
	AXP803_FLDO1,
	AXP803_FLDO2,
	AXP803_DCDC1,
	AXP803_DCDC2,
	AXP803_DCDC3,
	AXP803_DCDC4,
	AXP803_DCDC5,
	AXP803_DCDC6,
	AXP803_ALDO1,
	AXP803_ALDO2,
	AXP803_ALDO3,
};
int sunxi_pmic_set_voltage(enum axp803_regulator r, uint32_t mvolt);
int sunxi_pmic_get_voltage(enum axp803_regulator r, uint32_t *mvolt);
int sunxi_pmic_set_enable(enum axp803_regulator r, uint32_t enable);
int sunxi_pmic_get_enable(enum axp803_regulator r, uint32_t *enable);

/* Task-level access */
enum pmic_task_type {
	PMIC_SET_VOLTAGE,
	PMIC_SET_ENABLE,
};
struct pmic_task {
	enum pmic_task_type t;
	enum axp803_regulator r;
	uint32_t val; /* mvolt or enable */
};
int sunxi_pmic_run_tasks(struct pmic_task *tasks, size_t tasks_num);

#endif /* __SUNXI_POWER_H__ */