sound: ASoC: Blackfin: board driver for AD1980/1 audio codec

/*

 * File:         sound/soc/blackfin/bf5xx-ad1980.c

 * Author:       Cliff Cai <Cliff.Cai@analog.com>

 *

 * Created:      Tue June 06 2008

 * Description:  Board driver for AD1980/1 audio codec

 *

 * Modified:

 *               Copyright 2008 Analog Devices Inc.

 *

 * Bugs:         Enter bugs at http://blackfin.uclinux.org/

 *

 * 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, see the file COPYING, or write

 * to the Free Software Foundation, Inc.,

 * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#include <linux/module.h>

#include <linux/moduleparam.h>

#include <linux/device.h>

#include <asm/dma.h>

#include <sound/core.h>

#include <sound/pcm.h>

#include <sound/soc.h>

#include <linux/gpio.h>

#include <asm/portmux.h>

#include "../codecs/ad1980.h"

#include "bf5xx-sport.h"

#include "bf5xx-ac97-pcm.h"

#include "bf5xx-ac97.h"

static struct snd_soc_machine bf5xx_board;

static int bf5xx_board_startup(struct snd_pcm_substream *substream)

{

	struct snd_soc_pcm_runtime *rtd = substream->private_data;

	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;

	pr_debug("%s enter\n", __func__);

	cpu_dai->private_data = sport_handle;

	return 0;

}

static struct snd_soc_ops bf5xx_board_ops = {

	.startup = bf5xx_board_startup,

};

static struct snd_soc_dai_link bf5xx_board_dai = {

	.name = "AC97",

	.stream_name = "AC97 HiFi",

	.cpu_dai = &bfin_ac97_dai,

	.codec_dai = &ad1980_dai,

	.ops = &bf5xx_board_ops,

};

static struct snd_soc_machine bf5xx_board = {

	.name = "bf5xx-board",

	.dai_link = &bf5xx_board_dai,

	.num_links = 1,

};

static struct snd_soc_device bf5xx_board_snd_devdata = {

	.machine = &bf5xx_board,

	.platform = &bf5xx_ac97_soc_platform,

	.codec_dev = &soc_codec_dev_ad1980,

};

static struct platform_device *bf5xx_board_snd_device;

static int __init bf5xx_board_init(void)

{

	int ret;

	bf5xx_board_snd_device = platform_device_alloc("soc-audio", -1);

	if (!bf5xx_board_snd_device)

		return -ENOMEM;

	platform_set_drvdata(bf5xx_board_snd_device, &bf5xx_board_snd_devdata);

	bf5xx_board_snd_devdata.dev = &bf5xx_board_snd_device->dev;

	ret = platform_device_add(bf5xx_board_snd_device);

	if (ret)

		platform_device_put(bf5xx_board_snd_device);

	return ret;

}

static void __exit bf5xx_board_exit(void)

{

	platform_device_unregister(bf5xx_board_snd_device);

}

module_init(bf5xx_board_init);

module_exit(bf5xx_board_exit);

/* Module information */

MODULE_AUTHOR("Cliff Cai");

MODULE_DESCRIPTION("ALSA SoC AD1980/1 BF5xx board");

MODULE_LICENSE("GPL");