linux-imx

/*

 * Driver for CS4231 sound chips found on Sparcs.

 * Copyright (C) 2002, 2008 David S. Miller <davem@davemloft.net>

 *

 * Based entirely upon drivers/sbus/audio/cs4231.c which is:

 * Copyright (C) 1996, 1997, 1998 Derrick J Brashear (shadow@andrew.cmu.edu)

 * and also sound/isa/cs423x/cs4231_lib.c which is:

 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>

 */

​

#include <linux/module.h>

#include <linux/kernel.h>

#include <linux/delay.h>

#include <linux/init.h>

#include <linux/interrupt.h>

#include <linux/moduleparam.h>

#include <linux/irq.h>

#include <linux/io.h>

#include <linux/of.h>

#include <linux/of_device.h>

​

#include <sound/core.h>

#include <sound/pcm.h>

#include <sound/info.h>

#include <sound/control.h>

#include <sound/timer.h>

#include <sound/initval.h>

#include <sound/pcm_params.h>

​

#ifdef CONFIG_SBUS

#define SBUS_SUPPORT

#endif

​

#if defined(CONFIG_PCI) && defined(CONFIG_SPARC64)

#define EBUS_SUPPORT

#include <linux/pci.h>

#include <asm/ebus_dma.h>

#endif

​

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;  /* Index 0-MAX */

static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;   /* ID for this card */

/* Enable this card */

static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;

​

module_param_array(index, int, NULL, 0444);

MODULE_PARM_DESC(index, "Index value for Sun CS4231 soundcard.");

module_param_array(id, charp, NULL, 0444);

MODULE_PARM_DESC(id, "ID string for Sun CS4231 soundcard.");

module_param_array(enable, bool, NULL, 0444);

MODULE_PARM_DESC(enable, "Enable Sun CS4231 soundcard.");

MODULE_AUTHOR("Jaroslav Kysela, Derrick J. Brashear and David S. Miller");

MODULE_DESCRIPTION("Sun CS4231");

MODULE_LICENSE("GPL");

MODULE_SUPPORTED_DEVICE("{{Sun,CS4231}}");

​

#ifdef SBUS_SUPPORT

struct sbus_dma_info {

       spinlock_t   lock;   /* DMA access lock */

       int      dir;

       void __iomem *regs;

};

#endif

​