/*
 * Functions to access MAX8907 power management chip.
 *
 * Copyright (C) 2010 Gyungoh Yoo <jack.yoo@maxim-ic.com>
 * Copyright (C) 2012, NVIDIA CORPORATION. All rights reserved.
 *
 * 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 __LINUX_MFD_MAX8907_H
#define __LINUX_MFD_MAX8907_H

#include <linux/mutex.h>
#include <linux/pm.h>

#define MAX8907_GEN_I2C_ADDR            (0x78 >> 1)
#define MAX8907_ADC_I2C_ADDR            (0x8e >> 1)
#define MAX8907_RTC_I2C_ADDR            (0xd0 >> 1)

/* MAX8907 register map */
#define MAX8907_REG_SYSENSEL            0x00
#define MAX8907_REG_ON_OFF_IRQ1         0x01
#define MAX8907_REG_ON_OFF_IRQ1_MASK    0x02
#define MAX8907_REG_ON_OFF_STAT         0x03
#define MAX8907_REG_SDCTL1              0x04
#define MAX8907_REG_SDSEQCNT1           0x05
#define MAX8907_REG_SDV1                0x06
#define MAX8907_REG_SDCTL2              0x07
#define MAX8907_REG_SDSEQCNT2           0x08
#define MAX8907_REG_SDV2                0x09
#define MAX8907_REG_SDCTL3              0x0A
#define MAX8907_REG_SDSEQCNT3           0x0B
#define MAX8907_REG_SDV3                0x0C
#define MAX8907_REG_ON_OFF_IRQ2         0x0D
#define MAX8907_REG_ON_OFF_IRQ2_MASK    0x0E
#define MAX8907_REG_RESET_CNFG          0x0F
#define MAX8907_REG_LDOCTL16            0x10
#define MAX8907_REG_LDOSEQCNT16         0x11
#define MAX8907_REG_LDO16VOUT           0x12
#define MAX8907_REG_SDBYSEQCNT          0x13
#define MAX8907_REG_LDOCTL17            0x14
#define MAX8907_REG_LDOSEQCNT17         0x15
#define MAX8907_REG_LDO17VOUT           0x16
#define MAX8907_REG_LDOCTL1             0x18
#define MAX8907_REG_LDOSEQCNT1          0x19
#define MAX8907_REG_LDO1VOUT            0x1A
#define MAX8907_REG_LDOCTL2             0x1C
#define MAX8907_REG_LDOSEQCNT2          0x1D
#define MAX8907_REG_LDO2VOUT            0x1E
#define MAX8907_REG_LDOCTL3             0x20
#define MAX8907_REG_LDOSEQCNT3          0x21
#define MAX8907_REG_LDO3VOUT            0x22
#define MAX8907_REG_LDOCTL4             0x24
#define MAX8907_REG_LDOSEQCNT4          0x25
#define MAX8907_REG_LDO4VOUT            0x26
#define MAX8907_REG_LDOCTL5             0x28
#define MAX8907_REG_LDOSEQCNT5          0x29
#define MAX8907_REG_LDO5VOUT            0x2A
#define MAX8907_REG_LDOCTL6             0x2C
#define MAX8907_REG_LDOSEQCNT6          0x2D
#define MAX8907_REG_LDO6VOUT            0x2E
#define MAX8907_REG_LDOCTL7             0x30
#define MAX8907_REG_LDOSEQCNT7          0x31
#define MAX8907_REG_LDO7VOUT            0x32
#define MAX8907_REG_LDOCTL8             0x34
#define MAX8907_REG_LDOSEQCNT8          0x35
#define MAX8907_REG_LDO8VOUT            0x36
#define MAX8907_REG_LDOCTL9             0x38
#define MAX8907_REG_LDOSEQCNT9          0x39
#define MAX8907_REG_LDO9VOUT            0x3A
#define MAX8907_REG_LDOCTL10            0x3C
#define MAX8907_REG_LDOSEQCNT10         0x3D
#define MAX8907_REG_LDO10VOUT           0x3E
#define MAX8907_REG_LDOCTL11            0x40
#define MAX8907_REG_LDOSEQCNT11         0x41
#define MAX8907_REG_LDO11VOUT           0x42
#define MAX8907_REG_LDOCTL12            0x44
#define MAX8907_REG_LDOSEQCNT12         0x45
#define MAX8907_REG_LDO12VOUT           0x46
#define MAX8907_REG_LDOCTL13            0x48
#define MAX8907_REG_LDOSEQCNT13         0x49
#define MAX8907_REG_LDO13VOUT           0x4A
#define MAX8907_REG_LDOCTL14            0x4C
#define MAX8907_REG_LDOSEQCNT14         0x4D
#define MAX8907_REG_LDO14VOUT           0x4E
#define MAX8907_REG_LDOCTL15            0x50
#define MAX8907_REG_LDOSEQCNT15         0x51
#define MAX8907_REG_LDO15VOUT           0x52
#define MAX8907_REG_OUT5VEN             0x54
#define MAX8907_REG_OUT5VSEQ            0x55
#define MAX8907_REG_OUT33VEN            0x58
#define MAX8907_REG_OUT33VSEQ           0x59
#define MAX8907_REG_LDOCTL19            0x5C
#define MAX8907_REG_LDOSEQCNT19         0x5D
#define MAX8907_REG_LDO19VOUT           0x5E
#define MAX8907_REG_LBCNFG              0x60
#define MAX8907_REG_SEQ1CNFG            0x64
#define MAX8907_REG_SEQ2CNFG            0x65
#define MAX8907_REG_SEQ3CNFG            0x66
#define MAX8907_REG_SEQ4CNFG            0x67
#define MAX8907_REG_SEQ5CNFG            0x68
#define MAX8907_REG_SEQ6CNFG            0x69
#define MAX8907_REG_SEQ7CNFG            0x6A
#define MAX8907_REG_LDOCTL18            0x72
#define MAX8907_REG_LDOSEQCNT18         0x73
#define MAX8907_REG_LDO18VOUT           0x74
#define MAX8907_REG_BBAT_CNFG           0x78
#define MAX8907_REG_CHG_CNTL1           0x7C
#define MAX8907_REG_CHG_CNTL2           0x7D
#define MAX8907_REG_CHG_IRQ1            0x7E
#define MAX8907_REG_CHG_IRQ2            0x7F
#define MAX8907_REG_CHG_IRQ1_MASK       0x80
#define MAX8907_REG_CHG_IRQ2_MASK       0x81
#define MAX8907_REG_CHG_STAT            0x82
#define MAX8907_REG_WLED_MODE_CNTL      0x84
#define MAX8907_REG_ILED_CNTL           0x84
#define MAX8907_REG_II1RR               0x8E
#define MAX8907_REG_II2RR               0x8F
#define MAX8907_REG_LDOCTL20            0x9C
#define MAX8907_REG_LDOSEQCNT20         0x9D
#define MAX8907_REG_LDO20VOUT           0x9E

/* RTC register map */
#define MAX8907_REG_RTC_SEC             0x00
#define MAX8907_REG_RTC_MIN             0x01
#define MAX8907_REG_RTC_HOURS           0x02
#define MAX8907_REG_RTC_WEEKDAY         0x03
#define MAX8907_REG_RTC_DATE            0x04
#define MAX8907_REG_RTC_MONTH           0x05
#define MAX8907_REG_RTC_YEAR1           0x06
#define MAX8907_REG_RTC_YEAR2           0x07
#define MAX8907_REG_ALARM0_SEC          0x08
#define MAX8907_REG_ALARM0_MIN          0x09
#define MAX8907_REG_ALARM0_HOURS        0x0A
#define MAX8907_REG_ALARM0_WEEKDAY      0x0B
#define MAX8907_REG_ALARM0_DATE         0x0C
#define MAX8907_REG_ALARM0_MONTH        0x0D
#define MAX8907_REG_ALARM0_YEAR1        0x0E
#define MAX8907_REG_ALARM0_YEAR2        0x0F
#define MAX8907_REG_ALARM1_SEC          0x10
#define MAX8907_REG_ALARM1_MIN          0x11
#define MAX8907_REG_ALARM1_HOURS        0x12
#define MAX8907_REG_ALARM1_WEEKDAY      0x13
#define MAX8907_REG_ALARM1_DATE         0x14
#define MAX8907_REG_ALARM1_MONTH        0x15
#define MAX8907_REG_ALARM1_YEAR1        0x16
#define MAX8907_REG_ALARM1_YEAR2        0x17
#define MAX8907_REG_ALARM0_CNTL         0x18
#define MAX8907_REG_ALARM1_CNTL         0x19
#define MAX8907_REG_RTC_STATUS          0x1A
#define MAX8907_REG_RTC_CNTL            0x1B
#define MAX8907_REG_RTC_IRQ             0x1C
#define MAX8907_REG_RTC_IRQ_MASK        0x1D
#define MAX8907_REG_MPL_CNTL            0x1E

/* ADC and Touch Screen Controller register map */
#define MAX8907_CTL                     0
#define MAX8907_SEQCNT                  1
#define MAX8907_VOUT                    2

/* mask bit fields */
#define MAX8907_MASK_LDO_SEQ            0x1C
#define MAX8907_MASK_LDO_EN             0x01
#define MAX8907_MASK_VBBATTCV           0x03
#define MAX8907_MASK_OUT5V_VINEN        0x10
#define MAX8907_MASK_OUT5V_ENSRC        0x0E
#define MAX8907_MASK_OUT5V_EN           0x01
#define MAX8907_MASK_POWER_OFF          0x40

/* Regulator IDs */
#define MAX8907_MBATT   0
#define MAX8907_SD1     1
#define MAX8907_SD2     2
#define MAX8907_SD3     3
#define MAX8907_LDO1    4
#define MAX8907_LDO2    5
#define MAX8907_LDO3    6
#define MAX8907_LDO4    7
#define MAX8907_LDO5    8
#define MAX8907_LDO6    9
#define MAX8907_LDO7    10
#define MAX8907_LDO8    11
#define MAX8907_LDO9    12
#define MAX8907_LDO10   13
#define MAX8907_LDO11   14
#define MAX8907_LDO12   15
#define MAX8907_LDO13   16
#define MAX8907_LDO14   17
#define MAX8907_LDO15   18
#define MAX8907_LDO16   19
#define MAX8907_LDO17   20
#define MAX8907_LDO18   21
#define MAX8907_LDO19   22
#define MAX8907_LDO20   23
#define MAX8907_OUT5V   24
#define MAX8907_OUT33V  25
#define MAX8907_BBAT    26
#define MAX8907_SDBY    27
#define MAX8907_VRTC    28
#define MAX8907_NUM_REGULATORS (MAX8907_VRTC + 1)

/* IRQ definitions */
enum {
        MAX8907_IRQ_VCHG_DC_OVP = 0,
        MAX8907_IRQ_VCHG_DC_F,
        MAX8907_IRQ_VCHG_DC_R,
        MAX8907_IRQ_VCHG_THM_OK_R,
        MAX8907_IRQ_VCHG_THM_OK_F,
        MAX8907_IRQ_VCHG_MBATTLOW_F,
        MAX8907_IRQ_VCHG_MBATTLOW_R,
        MAX8907_IRQ_VCHG_RST,
        MAX8907_IRQ_VCHG_DONE,
        MAX8907_IRQ_VCHG_TOPOFF,
        MAX8907_IRQ_VCHG_TMR_FAULT,

        MAX8907_IRQ_GPM_RSTIN = 0,
        MAX8907_IRQ_GPM_MPL,
        MAX8907_IRQ_GPM_SW_3SEC,
        MAX8907_IRQ_GPM_EXTON_F,
        MAX8907_IRQ_GPM_EXTON_R,
        MAX8907_IRQ_GPM_SW_1SEC,
        MAX8907_IRQ_GPM_SW_F,
        MAX8907_IRQ_GPM_SW_R,
        MAX8907_IRQ_GPM_SYSCKEN_F,
        MAX8907_IRQ_GPM_SYSCKEN_R,

        MAX8907_IRQ_RTC_ALARM1 = 0,
        MAX8907_IRQ_RTC_ALARM0,
};

struct max8907_platform_data {
        struct regulator_init_data *init_data[MAX8907_NUM_REGULATORS];
        bool pm_off;
};

struct regmap_irq_chips_data;

struct max8907 {
        struct device                   *dev;
        struct mutex                    irq_lock;
        struct i2c_client               *i2c_gen;
        struct i2c_client               *i2c_rtc;
        struct regmap                   *regmap_gen;
        struct regmap                   *regmap_rtc;
        struct regmap_irq_chip_data     *irqc_chg;
        struct regmap_irq_chip_data     *irqc_on_off;
        struct regmap_irq_chip_data     *irqc_rtc;
};

#endif