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/*
* max8698.h - Voltage regulator driver for the Maxim 8698
*
* Copyright (C) 2009-2010 Samsung Electrnoics
* Kyungmin Park <kyungmin.park@samsung.com>
* Marek Szyprowski <m.szyprowski@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* 2010.10.25
* Modified by Taekki Kim <taekki.kim@samsung.com>
*/
#ifndef __LINUX_MFD_MAX8698_PRIV_H
#define __LINUX_MFD_MAX8698_PRIV_H
/* MAX 8698 registers */
enum {
MAX8698_REG_ONOFF1,
MAX8698_REG_ONOFF2,
MAX8698_REG_ADISCHG_EN1,
MAX8698_REG_ADISCHG_EN2,
MAX8698_REG_DVSARM12,
MAX8698_REG_DVSARM34,
MAX8698_REG_DVSINT12,
MAX8698_REG_BUCK3,
MAX8698_REG_LDO2_LDO3,
MAX8698_REG_LDO4,
MAX8698_REG_LDO5,
MAX8698_REG_LDO6,
MAX8698_REG_LDO7,
MAX8698_REG_LDO8_BKCHAR,
MAX8698_REG_LDO9,
MAX8698_REG_LBCNFG,
};
/* ONOFF1 */
#define MAX8698_SHIFT_EN1 7
#define MAX8698_SHIFT_EN2 6
#define MAX8698_SHIFT_EN3 5
#define MAX8698_SHIFT_ELDO2 4
#define MAX8698_SHIFT_ELDO3 3
#define MAX8698_SHIFT_ELDO4 2
#define MAX8698_SHIFT_ELDO5 1
#define MAX8698_MASK_EN1 (0x1 << MAX8698_SHIFT_EN1)
#define MAX8698_MASK_EN2 (0x1 << MAX8698_SHIFT_EN2)
#define MAX8698_MASK_EN3 (0x1 << MAX8698_SHIFT_EN3)
#define MAX8698_MASK_ELDO2 (0x1 << MAX8698_SHIFT_ELDO2)
#define MAX8698_MASK_ELDO3 (0x1 << MAX8698_SHIFT_ELDO3)
#define MAX8698_MASK_ELDO4 (0x1 << MAX8698_SHIFT_ELDO4)
#define MAX8698_MASK_ELDO5 (0x1 << MAX8698_SHIFT_ELDO5)
/* ONOFF2 */
#define MAX8698_SHIFT_ELDO6 7
#define MAX8698_SHIFT_ELDO7 6
#define MAX8698_SHIFT_ELDO8 5
#define MAX8698_SHIFT_ELDO9 4
#define MAX8698_SHIFT_ELBCNFG 0
#define MAX8698_MASK_ELDO6 (0x1 << MAX8698_SHIFT_ELDO6)
#define MAX8698_MASK_ELDO7 (0x1 << MAX8698_SHIFT_ELDO7)
#define MAX8698_MASK_ELDO8 (0x1 << MAX8698_SHIFT_ELDO8)
#define MAX8698_MASK_ELDO9 (0x1 << MAX8698_SHIFT_ELDO9)
#define MAX8698_MASK_ELBCNFG (0x1 << MAX8698_SHIFT_ELBCNFG)
/**
* struct max8698_dev - max8698 master device for sub-drivers
* @dev: master device of the chip (can be used to access platform data)
* @i2c_client: i2c client private data
* @dev_read(): chip register read function
* @dev_write(): chip register write function
* @dev_update(): chip register update function
* @iolock: mutex for serializing io access
*/
struct max8698_dev {
struct device *dev;
struct i2c_client *i2c_client;
int (*dev_read)(struct max8698_dev *max8698, u8 reg, u8 *dest);
int (*dev_write)(struct max8698_dev *max8698, u8 reg, u8 val);
int (*dev_update)(struct max8698_dev *max8698, u8 reg, u8 val, u8 mask);
struct mutex iolock;
};
static inline int max8698_read_reg(struct max8698_dev *max8698, u8 reg,
u8 *value)
{
return max8698->dev_read(max8698, reg, value);
}
static inline int max8698_write_reg(struct max8698_dev *max8698, u8 reg,
u8 value)
{
return max8698->dev_write(max8698, reg, value);
}
static inline int max8698_update_reg(struct max8698_dev *max8698, u8 reg,
u8 value, u8 mask)
{
return max8698->dev_update(max8698, reg, value, mask);
}
#endif /* __LINUX_MFD_MAX8698_PRIV_H */
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