linux-imx

/* NXP PCF50633 Power Management Unit (PMU) driver

 *

 * (C) 2006-2008 by Openmoko, Inc.

 * Author: Harald Welte <laforge@openmoko.org>

 *     Balaji Rao <balajirrao@openmoko.org>

 * 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 as published by the

 *  Free Software Foundation;  either version 2 of the  License, or (at your

 *  option) any later version.

 *

 */

​

#include <linux/kernel.h>

#include <linux/device.h>

#include <linux/sysfs.h>

#include <linux/module.h>

#include <linux/types.h>

#include <linux/interrupt.h>

#include <linux/workqueue.h>

#include <linux/platform_device.h>

#include <linux/i2c.h>

#include <linux/pm.h>

#include <linux/slab.h>

#include <linux/regmap.h>

#include <linux/err.h>

​

#include <linux/mfd/pcf50633/core.h>

​

/* Read a block of up to 32 regs  */

int pcf50633_read_block(struct pcf50633 *pcf, u8 reg,

                    int nr_regs, u8 *data)

{

    int ret;

​

    ret = regmap_raw_read(pcf->regmap, reg, data, nr_regs);

    if (ret != 0)

        return ret;

​

    return nr_regs;

}

EXPORT_SYMBOL_GPL(pcf50633_read_block);

​

/* Write a block of up to 32 regs  */

int pcf50633_write_block(struct pcf50633 *pcf , u8 reg,

                    int nr_regs, u8 *data)

{

    return regmap_raw_write(pcf->regmap, reg, data, nr_regs);

}

EXPORT_SYMBOL_GPL(pcf50633_write_block);

​

u8 pcf50633_reg_read(struct pcf50633 *pcf, u8 reg)

{

    unsigned int val;

    int ret;

​

    ret = regmap_read(pcf->regmap, reg, &val);

    if (ret < 0)

        return -1;

​

    return val;

}