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ALSA: ASoC codec: AD73311 audio codec driver

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Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Cliff Cai 2008-09-27 16:57:26 +08:00 committed by Takashi Iwai
parent 5cabc1a8b3
commit 0e77e78410
4 changed files with 203 additions and 0 deletions
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4
sound/soc/codecs/Kconfig
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@ -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

2
sound/soc/codecs/Makefile
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@ -1,5 +1,6 @@
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

107
sound/soc/codecs/ad73311.c Normal file
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@ -0,0 +1,107 @@
/*
* 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");

90
sound/soc/codecs/ad73311.h Normal file
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@ -0,0 +1,90 @@
/*
* 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