ab3100.h

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/*
 * Copyright (C) 2007-2009 ST-Ericsson AB
 * License terms: GNU General Public License (GPL) version 2
 * AB3100 core access functions
 * Author: Linus Walleij <[email protected]>
 *
 */

#include <linux/regulator/machine.h>

struct device;

#ifndef MFD_AB3100_H
#define MFD_AB3100_H


#define AB3100_P1A  0xc0
#define AB3100_P1B  0xc1
#define AB3100_P1C  0xc2
#define AB3100_P1D  0xc3
#define AB3100_P1E  0xc4
#define AB3100_P1F  0xc5
#define AB3100_P1G  0xc6
#define AB3100_R2A  0xc7
#define AB3100_R2B  0xc8

/*
 * AB3100, EVENTA1, A2 and A3 event register flags
 * these are catenated into a single 32-bit flag in the code
 * for event notification broadcasts.
 */
#define AB3100_EVENTA1_ONSWA                (0x01<<16)
#define AB3100_EVENTA1_ONSWB                (0x02<<16)
#define AB3100_EVENTA1_ONSWC                (0x04<<16)
#define AB3100_EVENTA1_DCIO             (0x08<<16)
#define AB3100_EVENTA1_OVER_TEMP            (0x10<<16)
#define AB3100_EVENTA1_SIM_OFF              (0x20<<16)
#define AB3100_EVENTA1_VBUS             (0x40<<16)
#define AB3100_EVENTA1_VSET_USB             (0x80<<16)

#define AB3100_EVENTA2_READY_TX             (0x01<<8)
#define AB3100_EVENTA2_READY_RX             (0x02<<8)
#define AB3100_EVENTA2_OVERRUN_ERROR            (0x04<<8)
#define AB3100_EVENTA2_FRAMING_ERROR            (0x08<<8)
#define AB3100_EVENTA2_CHARG_OVERCURRENT        (0x10<<8)
#define AB3100_EVENTA2_MIDR             (0x20<<8)
#define AB3100_EVENTA2_BATTERY_REM          (0x40<<8)
#define AB3100_EVENTA2_ALARM                (0x80<<8)

#define AB3100_EVENTA3_ADC_TRIG5            (0x01)
#define AB3100_EVENTA3_ADC_TRIG4            (0x02)
#define AB3100_EVENTA3_ADC_TRIG3            (0x04)
#define AB3100_EVENTA3_ADC_TRIG2            (0x08)
#define AB3100_EVENTA3_ADC_TRIGVBAT         (0x10)
#define AB3100_EVENTA3_ADC_TRIGVTX          (0x20)
#define AB3100_EVENTA3_ADC_TRIG1            (0x40)
#define AB3100_EVENTA3_ADC_TRIG0            (0x80)

/* AB3100, STR register flags */
#define AB3100_STR_ONSWA                (0x01)
#define AB3100_STR_ONSWB                (0x02)
#define AB3100_STR_ONSWC                (0x04)
#define AB3100_STR_DCIO                 (0x08)
#define AB3100_STR_BOOT_MODE                (0x10)
#define AB3100_STR_SIM_OFF              (0x20)
#define AB3100_STR_BATT_REMOVAL             (0x40)
#define AB3100_STR_VBUS                 (0x80)

/*
 * AB3100 contains 8 regulators, one external regulator controller
 * and a buck converter, further the LDO E and buck converter can
 * have separate settings if they are in sleep mode, this is
 * modeled as a separate regulator.
 */
#define AB3100_NUM_REGULATORS               10

struct ab3100 {
    struct mutex access_mutex;
    struct device *dev;
    struct i2c_client *i2c_client;
    struct i2c_client *testreg_client;
    char chip_name[32];
    u8 chip_id;
    struct blocking_notifier_head event_subscribers;
    u8 startup_events[3];
    bool startup_events_read;
};

struct ab3100_platform_data {
    struct regulator_init_data reg_constraints[AB3100_NUM_REGULATORS];
    u8 reg_initvals[AB3100_NUM_REGULATORS+2];
    int external_voltage;
};

int ab3100_event_register(struct ab3100 *ab3100,
              struct notifier_block *nb);
int ab3100_event_unregister(struct ab3100 *ab3100,
                struct notifier_block *nb);

#endif /*  MFD_AB3100_H */