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/*
* include/linux/mfd/max8831.h
*
* Copyright (C) 2012-2013 NVIDIA Corporation. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*
*/
#include <linux/regmap.h>
#ifndef __LINUX_MFD_MAX8831
#define __LINUX_MFD_MAX8831
/*LED MAX8831 Registers */
#define MAX8831_CTRL 0x00
#define MAX8831_CTRL_LED1_ENB 1
#define MAX8831_CTRL_LED2_ENB (1<<1)
#define MAX8831_CTRL_LED3_ENB (1<<2)
#define MAX8831_CTRL_LED4_ENB (1<<3)
#define MAX8831_CTRL_LED5_ENB (1<<4)
#define MAX8831_RAMP_CTRL_LED1 0x03
#define MAX8831_RAMP_CTRL_LED2 0x04
#define MAX8831_RAMP_CTRL_LED3 0x05
#define MAX8831_RAMP_CTRL_LED4 0x06
#define MAX8831_RAMP_CTRL_LED5 0x07
#define MAX8831_CURRENT_CTRL_LED1 0x0B
#define MAX8831_CURRENT_CTRL_LED2 0x0C
#define MAX8831_CURRENT_CTRL_LED3 0x0D
#define MAX8831_CURRENT_CTRL_LED4 0x0E
#define MAX8831_CURRENT_CTRL_LED5 0x0F
#define MAX8831_BL_LEDS_MAX_CURR 0x7F
#define MAX8831_KEY_LEDS_MAX_CURR 0x1F
#define MAX8831_BLINK_CTRL_LED3 0x17
#define MAX8831_BLINK_CTRL_LED4 0x18
#define MAX8831_BLINK_CTRL_LED5 0x19
#define MAX8831_BLINK_ENB (1<<6)
#define MAX8831_BLINK_OFF_TIMER_SHIFT 3
#define MAX8831_BLINK_ON_TIMER_SHIFT 0
#define MAX8831_BOOST_CTRL 0x1D
#define MAX8831_BOOST_CTRL_LED5 (1<<4)
#define MAX8831_BOOST_CTRL_LED4 (1<<3)
#define MAX8831_BOOST_CTRL_LED3 (1<<2)
#define MAX8831_LEDS_STAT1 0x2D
#define MAX8831_STAT1_LED1_FAULT 1
#define MAX8831_STAT1_LED2_FAULT (1<<1)
#define MAX8831_STAT1_LED3_FAULT (1<<2)
#define MAX8831_STAT1_LED4_FAULT (1<<3)
#define MAX8831_STAT1_LED5_FAULT (1<<4)
#define MAX8831_LEDS_STAT2 0x2E
#define MAX8831_STAT2_OSOD (1<<2)
#define MAX8831_STAT2_TSD (1<<1)
#define MAX8831_STAT2_OVP 1
/* IDs for each of the LEDs */
enum max8831_led_ids {
MAX8831_ID_LED1,
MAX8831_ID_LED2,
MAX8831_ID_LED3,
MAX8831_ID_LED4,
MAX8831_ID_LED5,
MAX8831_BL_LEDS,/* Refers to LED1 and LED2 together for video bl */
};
struct max8831_subdev_info {
int id;
const char *name;
void *platform_data;
size_t pdata_size;
};
struct max8831_platform_data {
int num_subdevs;
struct max8831_subdev_info *subdevs;
};
struct max8831_chip {
struct i2c_client *client;
struct device *dev;
struct regmap *regmap;
};
static inline int max8831_write(struct device *dev,
unsigned int reg, unsigned int val)
{
struct max8831_chip *chip = dev_get_drvdata(dev);
return regmap_write(chip->regmap, reg, val);
}
static inline int max8831_read(struct device *dev,
unsigned int reg, unsigned int *val)
{
struct max8831_chip *chip = dev_get_drvdata(dev);
return regmap_read(chip->regmap, reg, (unsigned int *) val);
}
static inline int max8831_update_bits(struct device *dev,
unsigned int reg,
unsigned int bit_mask,
unsigned int val)
{
struct max8831_chip *chip = dev_get_drvdata(dev);
return regmap_update_bits(chip->regmap, reg, bit_mask, val);
}
#endif
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