/*
 * drivers/power/s2mpu06_charger.h
 *
 * Header of S2MPU06 Charger Driver
 *
 * Copyright (C) 2015 Samsung Electronics
 * Develope by Nguyen Tien Dat <tiendat.nt@samsung.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef S2MPU06_CHARGER_H
#define S2MPU06_CHARGER_H
#include <linux/mfd/samsung/s2mpu06.h>
#include <linux/mfd/samsung/s2mpu06-private.h>
#include <linux/of_gpio.h>

#define MASK(width, shift)      (((0x1 << (width)) - 1) << shift)

#define S2MPU06_CHG_REG_PMIC_STATUS	0x08
#define S2MPU06_CHG_REG_STATUS1		0x09
#define S2MPU06_CHG_REG_STATUS2		0x0A
#define S2MPU06_CHG_REG_STATUS3		0x0B
#define S2MPU06_CHG_REG_STATUS4		0x0C
#define S2MPU06_CHG_REG_CTRL1		0x0D
#define S2MPU06_CHG_REG_CTRL2		0x0E
#define S2MPU06_CHG_REG_CTRL3		0x0F
#define S2MPU06_CHG_REG_CTRL4		0x10
#define S2MPU06_CHG_REG_CTRL5		0x11
#define S2MPU06_CHG_REG_CTRL6		0x12
#define S2MPU06_CHG_REG_CTRL7		0x13
#define S2MPU06_CHG_REG_CTRL8		0x14
#define S2MPU06_CHG_REG_CTRL9		0x15
#define S2MPU06_CHG_REG_CTRL10		0x16
#define S2MPU06_CHG_REG_CTRL11		0x17
#define S2MPU06_CHG_REG_CTRL12		0x18
#define S2MPU06_CHG_REG_CTRL13		0x19
#define S2MPU06_CHG_REG_CTRL14		0x1A
#define S2MPU06_CHG_REG_CTRL15		0x1B
#define S2MPU06_CHG_REG_CTRL16		0x1C
#define S2MPU06_CHG_REG_CTRL17		0x1D
#define S2MPU06_CHG_REG_CTRL18		0x1E
#define S2MPU06_CHG_REG_CTRL19		0x1F
#define S2MPU06_CHG_REG_CTRL20		0x20
#define S2MPU06_CHG_REG_CTRL21		0x21
#define S2MPU06_CHG_REG_CTRL22		0x22
#define S2MPU06_CHG_REG_CTRL23		0x23


/* S2MPU06_CHG_STATUS1 */
#define CHG_STATUS1_OTG_SS_ENB	0
#define CHG_STATUS1_CHGVIN_STS	2
#define CHG_STATUS1_BOOST_STS	3
#define	CHG_STATUS1_CHG_DONE	4
#define CHG_STATUS1_CHG_STS	5
#define CHG_STATUS1_VBAT_LVL	6

/* S2MPU06_CHG_STATUS2 */
#define DET_BAT_STATUS_SHIFT	3
#define DET_BAT_STATUS_MASK	BIT(DET_BAT_STATUS_SHIFT)
#define CHGVINOVP_STS_SHIFT	6

/* S2MPU06_CHG_CTRL1 */
#define EN_CHG_SHIFT		7
#define EN_CHG_MASK		BIT(EN_CHG_SHIFT)

/* S2MPU06_CHG_CTRL2 */
#define FAST_CHARGING_CURRENT_SHIFT	0
#define FAST_CHARGING_CURRENT_WIDTH	7
#define FAST_CHARGING_CURRENT_MASK	MASK(FAST_CHARGING_CURRENT_WIDTH,\
					FAST_CHARGING_CURRENT_SHIFT)

/* S2MPU06_CHG_CTRL3 */
#define CHG_MODE_SHIFT		4
#define CHG_MODE_WIDTH		2
#define CHG_MODE_MASK		MASK(CHG_MODE_WIDTH, CHG_MODE_SHIFT)
#define CHG_MODE_OFF		0
#define CHG_MODE_EN		1
#define CHG_MODE_OTG_BOOST	3

/* S2MPU06_CHG_CTRL4 */
#define FIRST_TOPOFF_CURRENT_SHIFT	0
#define FIRST_TOPOFF_CURRENT_WIDTH	7
#define FIRST_TOPOFF_CURRENT_MASK	MASK(FIRST_TOPOFF_CURRENT_WIDTH,\
					FIRST_TOPOFF_CURRENT_SHIFT)
#define SET_VIN_DROP_SHIFT	1
#define SET_VIN_DROP_WIDTH	3
#define SET_VIN_DROP_MASK	MASK(SET_VIN_DROP_WIDTH, SET_VIN_DROP_SHIFT)


/* S2MPU06_CHG_CTRL5 */
#define SET_VF_VBAT_SHIFT	1
#define SET_VF_VBAT_WIDTH	3
#define SET_VF_VBAT_MASK	MASK(SET_VF_VBAT_WIDTH, SET_VF_VBAT_SHIFT)

#define S2MPU06_IVR_4200MV	0xA0
#define S2MPU06_IVR_4300MV	0xA4
#define S2MPU06_IVR_4400MV	0xA8
#define S2MPU06_IVR_4500MV	0xAC
#define S2MPU06_IVR_4600MV	0xB0
#define S2MPU06_IVR_4700MV	0xB4
#define S2MPU06_IVR_4800MV	0xB8

/* S2MPU06_CHG_REG_CTRL8 */
#define EN_BST_ST_DN_MASK	0x80

/* S2MPU06_CHG_REG_CTRL14 */
#define OTG_EN_MASK	0x80

#define FAKE_BAT_LEVEL                  50

enum {
	CHG_REG = 0,
	CHG_DATA,
	CHG_REGS,
};

struct charger_info {
	int dummy;
};

#endif /*S2MPU06_CHARGER_H*/