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Commit 0e77e784 authored by Cliff Cai's avatar Cliff Cai Committed by Takashi Iwai
Browse files

ALSA: ASoC codec: AD73311 audio codec driver 



Signed-off-by: default avatarCliff Cai <cliff.cai@analog.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 5cabc1a8

sound/soc/codecs/Kconfig

+4 −0
Original line number Diff line number Diff line
@@ -3,6 +3,7 @@ config SND_SOC_ALL_CODECS 
	depends on I2C

	select SPI

	select SPI_MASTER

	select SND_SOC_AD73311

	select SND_SOC_AK4535

	select SND_SOC_CS4270

	select SND_SOC_SSM2602
@@ -34,6 +35,9 @@ config SND_SOC_AC97_CODEC 
config SND_SOC_AD1980

	tristate



config SND_SOC_AD73311

	tristate



config SND_SOC_AK4535

	tristate

sound/soc/codecs/Makefile

+2 −0
Original line number Diff line number Diff line 
snd-soc-ac97-objs := ac97.o

snd-soc-ad1980-objs := ad1980.o

snd-soc-ad73311-objs := ad73311.o

snd-soc-ak4535-objs := ak4535.o

snd-soc-cs4270-objs := cs4270.o

snd-soc-ssm2602-objs := ssm2602.o
@@ -20,6 +21,7 @@ snd-soc-wm9713-objs := wm9713.o 


obj-$(CONFIG_SND_SOC_AC97_CODEC)	+= snd-soc-ac97.o

obj-$(CONFIG_SND_SOC_AD1980)	+= snd-soc-ad1980.o

obj-$(CONFIG_SND_SOC_AD73311) += snd-soc-ad73311.o

obj-$(CONFIG_SND_SOC_AK4535)	+= snd-soc-ak4535.o

obj-$(CONFIG_SND_SOC_CS4270)	+= snd-soc-cs4270.o

obj-$(CONFIG_SND_SOC_SSM2602)	+= snd-soc-ssm2602.o

sound/soc/codecs/ad73311.c

0 → 100644
+107 −0
Original line number Diff line number Diff line 
/*

 * ad73311.c  --  ALSA Soc AD73311 codec support

 *

 * Copyright:	Analog Device Inc.

 * Author:	Cliff Cai <cliff.cai@analog.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.

 *

 *  Revision history

 *    25th Sep 2008   Initial version.

 */



#include <linux/init.h>

#include <linux/module.h>

#include <linux/version.h>

#include <linux/kernel.h>

#include <linux/device.h>

#include <sound/core.h>

#include <sound/pcm.h>

#include <sound/ac97_codec.h>

#include <sound/initval.h>

#include <sound/soc.h>



#include "ad73311.h"



struct snd_soc_dai ad73311_dai = {

	.name = "AD73311",

	.playback = {

		.stream_name = "Playback",

		.channels_min = 1,

		.channels_max = 1,

		.rates = SNDRV_PCM_RATE_8000,

		.formats = SNDRV_PCM_FMTBIT_S16_LE, },

	.capture = {

		.stream_name = "Capture",

		.channels_min = 1,

		.channels_max = 1,

		.rates = SNDRV_PCM_RATE_8000,

		.formats = SNDRV_PCM_FMTBIT_S16_LE, },

};

EXPORT_SYMBOL_GPL(ad73311_dai);



static int ad73311_soc_probe(struct platform_device *pdev)

{

	struct snd_soc_device *socdev = platform_get_drvdata(pdev);

	struct snd_soc_codec *codec;

	int ret = 0;



	codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);

	if (codec == NULL)

		return -ENOMEM;

	mutex_init(&codec->mutex);

	codec->name = "AD73311";

	codec->owner = THIS_MODULE;

	codec->dai = &ad73311_dai;

	codec->num_dai = 1;

	socdev->codec = codec;

	INIT_LIST_HEAD(&codec->dapm_widgets);

	INIT_LIST_HEAD(&codec->dapm_paths);



	/* register pcms */

	ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);

	if (ret < 0) {

		printk(KERN_ERR "ad73311: failed to create pcms\n");

		goto pcm_err;

	}



	ret = snd_soc_register_card(socdev);

	if (ret < 0) {

		printk(KERN_ERR "ad73311: failed to register card\n");

		goto register_err;

	}



	return ret;



register_err:

	snd_soc_free_pcms(socdev);

pcm_err:

	kfree(socdev->codec);

	socdev->codec = NULL;

	return ret;

}



static int ad73311_soc_remove(struct platform_device *pdev)

{

	struct snd_soc_device *socdev = platform_get_drvdata(pdev);

	struct snd_soc_codec *codec = socdev->codec;



	if (codec == NULL)

		return 0;

	snd_soc_free_pcms(socdev);

	kfree(codec);

	return 0;

}



struct snd_soc_codec_device soc_codec_dev_ad73311 = {

	.probe = 	ad73311_soc_probe,

	.remove = 	ad73311_soc_remove,

};

EXPORT_SYMBOL_GPL(soc_codec_dev_ad73311);



MODULE_DESCRIPTION("ASoC ad73311 driver");

MODULE_AUTHOR("Cliff Cai ");

MODULE_LICENSE("GPL");

sound/soc/codecs/ad73311.h

0 → 100644
+90 −0
Original line number Diff line number Diff line 
/*

 * File:         sound/soc/codec/ad73311.h

 * Based on:

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

 *

 * Created:      Thur Sep 25, 2008

 * Description:  definitions for AD73311 registers

 *

 *

 * Modified:

 *               Copyright 2006 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

 */



#ifndef __AD73311_H__

#define __AD73311_H__



#define AD_CONTROL	0x8000

#define AD_DATA		0x0000

#define AD_READ		0x4000

#define AD_WRITE	0x0000



/* Control register A */

#define CTRL_REG_A	(0 << 8)



#define REGA_MODE_PRO	0x00

#define REGA_MODE_DATA	0x01

#define REGA_MODE_MIXED	0x03

#define REGA_DLB		0x04

#define REGA_SLB		0x08

#define REGA_DEVC(x)		((x & 0x7) << 4)

#define REGA_RESET		0x80



/* Control register B */

#define CTRL_REG_B	(1 << 8)



#define REGB_DIRATE(x)	(x & 0x3)

#define REGB_SCDIV(x)	((x & 0x3) << 2)

#define REGB_MCDIV(x)	((x & 0x7) << 4)

#define REGB_CEE		(1 << 7)



/* Control register C */

#define CTRL_REG_C	(2 << 8)



#define REGC_PUDEV		(1 << 0)

#define REGC_PUADC		(1 << 3)

#define REGC_PUDAC		(1 << 4)

#define REGC_PUREF		(1 << 5)

#define REGC_REFUSE		(1 << 6)



/* Control register D */

#define CTRL_REG_D	(3 << 8)



#define REGD_IGS(x)		(x & 0x7)

#define REGD_RMOD		(1 << 3)

#define REGD_OGS(x)		((x & 0x7) << 4)

#define REGD_MUTE		(x << 7)



/* Control register E */

#define CTRL_REG_E	(4 << 8)



#define REGE_DA(x)		(x & 0x1f)

#define REGE_IBYP		(1 << 5)



/* Control register F */

#define CTRL_REG_F	(5 << 8)



#define REGF_SEEN		(1 << 5)

#define REGF_INV		(1 << 6)

#define REGF_ALB		(1 << 7)



extern struct snd_soc_dai ad73311_dai;

extern struct snd_soc_codec_device soc_codec_dev_ad73311;

#endif