/*
* Copyright (C) 2011 ST-Ericsson SA
* Written on behalf of Linaro for ST-Ericsson
*
* Author: Linus Walleij <[email protected]>
*
* License terms: GNU General Public License (GPL) version 2
*/
#ifndef MFD_STW481X_H
#define MFD_STW481X_H

#include <linux/i2c.h>
#include <linux/regulator/machine.h>
#include <linux/regmap.h>
#include <linux/bitops.h>

/* These registers are accessed from more than one driver */
#define STW_CONF1 0x11U
#define STW_CONF1_PDN_VMMC 0x01U
#define STW_CONF1_VMMC_MASK 0x0eU
#define STW_CONF1_VMMC_1_8V 0x02U
#define STW_CONF1_VMMC_2_85V 0x04U
#define STW_CONF1_VMMC_3V 0x06U
#define STW_CONF1_VMMC_1_85V 0x08U
#define STW_CONF1_VMMC_2_6V 0x0aU
#define STW_CONF1_VMMC_2_7V 0x0cU
#define STW_CONF1_VMMC_3_3V 0x0eU
#define STW_CONF1_MMC_LS_STATUS 0x10U
#define STW_PCTL_REG_LO 0x1eU
#define STW_PCTL_REG_HI 0x1fU
#define STW_CONF1_V_MONITORING 0x20U
#define STW_CONF1_IT_WARN 0x40U
#define STW_CONF1_PDN_VAUX 0x80U
#define STW_CONF2 0x20U
#define STW_CONF2_MASK_TWARN 0x01U
#define STW_CONF2_VMMC_EXT 0x02U
#define STW_CONF2_MASK_IT_WAKE_UP 0x04U
#define STW_CONF2_GPO1 0x08U
#define STW_CONF2_GPO2 0x10U
#define STW_VCORE_SLEEP 0x21U

/**
* struct stw481x - state holder for the Stw481x drivers
* @mutex: mutex to serialize I2C accesses
* @i2c_client: corresponding I2C client
* @regulator: regulator device for regulator children
* @map: regmap handle to access device registers
*/
struct stw481x {
struct mutex lock;
struct i2c_client *client;
struct regulator_dev *vmmc_regulator;
struct regmap *map;
};

#endif