linux-imx

/*

 * wm8350-core.c  --  Device access for Wolfson WM8350

 *

 * Copyright 2007, 2008 Wolfson Microelectronics PLC.

 *

 * Author: Liam Girdwood, Mark Brown

 *

 *  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/init.h>

#include <linux/export.h>

#include <linux/slab.h>

#include <linux/bug.h>

#include <linux/device.h>

#include <linux/delay.h>

#include <linux/interrupt.h>

#include <linux/regmap.h>

#include <linux/workqueue.h>

​

#include <linux/mfd/wm8350/core.h>

#include <linux/mfd/wm8350/audio.h>

#include <linux/mfd/wm8350/comparator.h>

#include <linux/mfd/wm8350/gpio.h>

#include <linux/mfd/wm8350/pmic.h>

#include <linux/mfd/wm8350/rtc.h>

#include <linux/mfd/wm8350/supply.h>

#include <linux/mfd/wm8350/wdt.h>

​

#define WM8350_CLOCK_CONTROL_1      0x28

#define WM8350_AIF_TEST         0x74

​

/* debug */

#define WM8350_BUS_DEBUG 0

#if WM8350_BUS_DEBUG

#define dump(regs, src) do { \

    int i_; \

    u16 *src_ = src; \

    printk(KERN_DEBUG); \

    for (i_ = 0; i_ < regs; i_++) \

        printk(" 0x%4.4x", *src_++); \

    printk("\n"); \

} while (0);

#else

#define dump(bytes, src)

#endif

​

#define WM8350_LOCK_DEBUG 0

#if WM8350_LOCK_DEBUG

#define ldbg(format, arg...) printk(format, ## arg)

#else

#define ldbg(format, arg...)

#endif

​

/*

 * WM8350 Device IO

 */

static DEFINE_MUTEX(reg_lock_mutex);