root/include/linux/mfd/da9052/da9052.h

DEFINITIONS

1. da9052_reg_read
2. da9052_reg_write
3. da9052_group_read
4. da9052_group_write
5. da9052_reg_update

/*
 * da9052 declarations for DA9052 PMICs.
 *
 * Copyright(c) 2011 Dialog Semiconductor Ltd.
 *
 * Author: David Dajun Chen <dchen@diasemi.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., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#ifndef __MFD_DA9052_DA9052_H
#define __MFD_DA9052_DA9052_H

#include <linux/interrupt.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <linux/completion.h>
#include <linux/list.h>
#include <linux/mfd/core.h>

#include <linux/mfd/da9052/reg.h>

/* Common - HWMON Channel Definations */
#define DA9052_ADC_VDDOUT       0
#define DA9052_ADC_ICH          1
#define DA9052_ADC_TBAT 2
#define DA9052_ADC_VBAT 3
#define DA9052_ADC_IN4          4
#define DA9052_ADC_IN5          5
#define DA9052_ADC_IN6          6
#define DA9052_ADC_TSI          7
#define DA9052_ADC_TJUNC        8
#define DA9052_ADC_VBBAT        9

#define DA9052_IRQ_DCIN 0
#define DA9052_IRQ_VBUS 1
#define DA9052_IRQ_DCINREM      2
#define DA9052_IRQ_VBUSREM      3
#define DA9052_IRQ_VDDLOW       4
#define DA9052_IRQ_ALARM        5
#define DA9052_IRQ_SEQRDY       6
#define DA9052_IRQ_COMP1V2      7
#define DA9052_IRQ_NONKEY       8
#define DA9052_IRQ_IDFLOAT      9
#define DA9052_IRQ_IDGND        10
#define DA9052_IRQ_CHGEND       11
#define DA9052_IRQ_TBAT 12
#define DA9052_IRQ_ADC_EOM      13
#define DA9052_IRQ_PENDOWN      14
#define DA9052_IRQ_TSIREADY     15
#define DA9052_IRQ_GPI0 16
#define DA9052_IRQ_GPI1 17
#define DA9052_IRQ_GPI2 18
#define DA9052_IRQ_GPI3 19
#define DA9052_IRQ_GPI4 20
#define DA9052_IRQ_GPI5 21
#define DA9052_IRQ_GPI6 22
#define DA9052_IRQ_GPI7 23
#define DA9052_IRQ_GPI8 24
#define DA9052_IRQ_GPI9 25
#define DA9052_IRQ_GPI10        26
#define DA9052_IRQ_GPI11        27
#define DA9052_IRQ_GPI12        28
#define DA9052_IRQ_GPI13        29
#define DA9052_IRQ_GPI14        30
#define DA9052_IRQ_GPI15        31

enum da9052_chip_id {
        DA9052,
        DA9053_AA,
        DA9053_BA,
        DA9053_BB,
        DA9053_BC,
};

struct da9052_pdata;

struct da9052 {
        struct device *dev;
        struct regmap *regmap;

        struct mutex auxadc_lock;
        struct completion done;

        int irq_base;
        struct regmap_irq_chip_data *irq_data;
        u8 chip_id;

        int chip_irq;

        /* SOC I/O transfer related fixes for DA9052/53 */
        int (*fix_io) (struct da9052 *da9052, unsigned char reg);
};

/* ADC API */
int da9052_adc_manual_read(struct da9052 *da9052, unsigned char channel);
int da9052_adc_read_temp(struct da9052 *da9052);

/* Device I/O API */
static inline int da9052_reg_read(struct da9052 *da9052, unsigned char reg)
{
        int val, ret;

        ret = regmap_read(da9052->regmap, reg, &val);
        if (ret < 0)
                return ret;

        if (da9052->fix_io) {
                ret = da9052->fix_io(da9052, reg);
                if (ret < 0)
                        return ret;
        }

        return val;
}

static inline int da9052_reg_write(struct da9052 *da9052, unsigned char reg,
                                    unsigned char val)
{
        int ret;

        ret = regmap_write(da9052->regmap, reg, val);
        if (ret < 0)
                return ret;

        if (da9052->fix_io) {
                ret = da9052->fix_io(da9052, reg);
                if (ret < 0)
                        return ret;
        }

        return ret;
}

static inline int da9052_group_read(struct da9052 *da9052, unsigned char reg,
                                     unsigned reg_cnt, unsigned char *val)
{
        int ret;
        unsigned int tmp;
        int i;

        for (i = 0; i < reg_cnt; i++) {
                ret = regmap_read(da9052->regmap, reg + i, &tmp);
                val[i] = (unsigned char)tmp;
                if (ret < 0)
                        return ret;
        }

        if (da9052->fix_io) {
                ret = da9052->fix_io(da9052, reg);
                if (ret < 0)
                        return ret;
        }

        return ret;
}

static inline int da9052_group_write(struct da9052 *da9052, unsigned char reg,
                                      unsigned reg_cnt, unsigned char *val)
{
        int ret;
        int i;

        for (i = 0; i < reg_cnt; i++) {
                ret = regmap_write(da9052->regmap, reg + i, val[i]);
                if (ret < 0)
                        return ret;
        }

        if (da9052->fix_io) {
                ret = da9052->fix_io(da9052, reg);
                if (ret < 0)
                        return ret;
        }

        return ret;
}

static inline int da9052_reg_update(struct da9052 *da9052, unsigned char reg,
                                     unsigned char bit_mask,
                                     unsigned char reg_val)
{
        int ret;

        ret = regmap_update_bits(da9052->regmap, reg, bit_mask, reg_val);
        if (ret < 0)
                return ret;

        if (da9052->fix_io) {
                ret = da9052->fix_io(da9052, reg);
                if (ret < 0)
                        return ret;
        }

        return ret;
}

int da9052_device_init(struct da9052 *da9052, u8 chip_id);
void da9052_device_exit(struct da9052 *da9052);

extern const struct regmap_config da9052_regmap_config;

int da9052_irq_init(struct da9052 *da9052);
int da9052_irq_exit(struct da9052 *da9052);
int da9052_request_irq(struct da9052 *da9052, int irq, char *name,
                           irq_handler_t handler, void *data);
void da9052_free_irq(struct da9052 *da9052, int irq, void *data);

int da9052_enable_irq(struct da9052 *da9052, int irq);
int da9052_disable_irq(struct da9052 *da9052, int irq);
int da9052_disable_irq_nosync(struct da9052 *da9052, int irq);

#endif /* __MFD_DA9052_DA9052_H */