core.h

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/*
 * da9055 declarations for DA9055 PMICs.
 *
 * Copyright(c) 2012 Dialog Semiconductor Ltd.
 *
 * Author: David Dajun Chen <[email protected]>
 *
 * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#ifndef __DA9055_CORE_H
#define __DA9055_CORE_H

#include <linux/interrupt.h>
#include <linux/regmap.h>

/*
 * PMIC IRQ
 */
#define DA9055_IRQ_ALARM    0x01
#define DA9055_IRQ_TICK     0x02
#define DA9055_IRQ_NONKEY   0x00
#define DA9055_IRQ_REGULATOR    0x0B
#define DA9055_IRQ_HWMON    0x03

struct da9055_pdata;

struct da9055 {
    struct regmap *regmap;
    struct regmap_irq_chip_data *irq_data;
    struct device *dev;
    struct i2c_client *i2c_client;

    int irq_base;
    int chip_irq;
};

/* Device I/O */
static inline int da9055_reg_read(struct da9055 *da9055, unsigned char reg)
{
    int val, ret;

    ret = regmap_read(da9055->regmap, reg, &val);
    if (ret < 0)
        return ret;

    return val;
}

static inline int da9055_reg_write(struct da9055 *da9055, unsigned char reg,
                    unsigned char val)
{
    return regmap_write(da9055->regmap, reg, val);
}

static inline int da9055_group_read(struct da9055 *da9055, unsigned char reg,
                     unsigned reg_cnt, unsigned char *val)
{
    return regmap_bulk_read(da9055->regmap, reg, val, reg_cnt);
}

static inline int da9055_group_write(struct da9055 *da9055, unsigned char reg,
                      unsigned reg_cnt, unsigned char *val)
{
    return regmap_raw_write(da9055->regmap, reg, val, reg_cnt);
}

static inline int da9055_reg_update(struct da9055 *da9055, unsigned char reg,
                     unsigned char bit_mask,
                     unsigned char reg_val)
{
    return regmap_update_bits(da9055->regmap, reg, bit_mask, reg_val);
}

/* Generic Device API */
int da9055_device_init(struct da9055 *da9055);
void da9055_device_exit(struct da9055 *da9055);

extern struct regmap_config da9055_regmap_config;

#endif /* __DA9055_CORE_H */