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ALSA: ASoC codec: AD73311 audio codec driver
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
Takashi Iwai
parent
5cabc1a8b3
commit
0e77e78410
@ -3,6 +3,7 @@ config SND_SOC_ALL_CODECS
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depends on I2C
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select SPI
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select SPI_MASTER
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select SND_SOC_AD73311
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select SND_SOC_AK4535
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select SND_SOC_CS4270
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select SND_SOC_SSM2602
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@ -34,6 +35,9 @@ config SND_SOC_AC97_CODEC
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config SND_SOC_AD1980
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tristate
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config SND_SOC_AD73311
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tristate
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config SND_SOC_AK4535
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tristate
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@ -1,5 +1,6 @@
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snd-soc-ac97-objs := ac97.o
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snd-soc-ad1980-objs := ad1980.o
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snd-soc-ad73311-objs := ad73311.o
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snd-soc-ak4535-objs := ak4535.o
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snd-soc-cs4270-objs := cs4270.o
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snd-soc-ssm2602-objs := ssm2602.o
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@ -20,6 +21,7 @@ snd-soc-wm9713-objs := wm9713.o
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obj-$(CONFIG_SND_SOC_AC97_CODEC) += snd-soc-ac97.o
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obj-$(CONFIG_SND_SOC_AD1980) += snd-soc-ad1980.o
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obj-$(CONFIG_SND_SOC_AD73311) += snd-soc-ad73311.o
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obj-$(CONFIG_SND_SOC_AK4535) += snd-soc-ak4535.o
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obj-$(CONFIG_SND_SOC_CS4270) += snd-soc-cs4270.o
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obj-$(CONFIG_SND_SOC_SSM2602) += snd-soc-ssm2602.o
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107
sound/soc/codecs/ad73311.c
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107
sound/soc/codecs/ad73311.c
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@ -0,0 +1,107 @@
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/*
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* ad73311.c -- ALSA Soc AD73311 codec support
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*
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* Copyright: Analog Device Inc.
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* Author: Cliff Cai <cliff.cai@analog.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* Revision history
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* 25th Sep 2008 Initial version.
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/version.h>
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#include <linux/kernel.h>
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#include <linux/device.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/ac97_codec.h>
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#include <sound/initval.h>
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#include <sound/soc.h>
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#include "ad73311.h"
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struct snd_soc_dai ad73311_dai = {
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.name = "AD73311",
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.playback = {
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.stream_name = "Playback",
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.channels_min = 1,
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.channels_max = 1,
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.rates = SNDRV_PCM_RATE_8000,
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.formats = SNDRV_PCM_FMTBIT_S16_LE, },
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.capture = {
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.stream_name = "Capture",
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.channels_min = 1,
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.channels_max = 1,
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.rates = SNDRV_PCM_RATE_8000,
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.formats = SNDRV_PCM_FMTBIT_S16_LE, },
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};
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EXPORT_SYMBOL_GPL(ad73311_dai);
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static int ad73311_soc_probe(struct platform_device *pdev)
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{
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struct snd_soc_device *socdev = platform_get_drvdata(pdev);
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struct snd_soc_codec *codec;
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int ret = 0;
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codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
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if (codec == NULL)
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return -ENOMEM;
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mutex_init(&codec->mutex);
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codec->name = "AD73311";
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codec->owner = THIS_MODULE;
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codec->dai = &ad73311_dai;
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codec->num_dai = 1;
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socdev->codec = codec;
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INIT_LIST_HEAD(&codec->dapm_widgets);
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INIT_LIST_HEAD(&codec->dapm_paths);
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/* register pcms */
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ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
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if (ret < 0) {
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printk(KERN_ERR "ad73311: failed to create pcms\n");
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goto pcm_err;
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}
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ret = snd_soc_register_card(socdev);
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if (ret < 0) {
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printk(KERN_ERR "ad73311: failed to register card\n");
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goto register_err;
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}
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return ret;
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register_err:
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snd_soc_free_pcms(socdev);
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pcm_err:
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kfree(socdev->codec);
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socdev->codec = NULL;
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return ret;
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}
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static int ad73311_soc_remove(struct platform_device *pdev)
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{
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struct snd_soc_device *socdev = platform_get_drvdata(pdev);
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struct snd_soc_codec *codec = socdev->codec;
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if (codec == NULL)
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return 0;
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snd_soc_free_pcms(socdev);
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kfree(codec);
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return 0;
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}
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struct snd_soc_codec_device soc_codec_dev_ad73311 = {
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.probe = ad73311_soc_probe,
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.remove = ad73311_soc_remove,
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};
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EXPORT_SYMBOL_GPL(soc_codec_dev_ad73311);
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MODULE_DESCRIPTION("ASoC ad73311 driver");
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MODULE_AUTHOR("Cliff Cai ");
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MODULE_LICENSE("GPL");
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90
sound/soc/codecs/ad73311.h
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90
sound/soc/codecs/ad73311.h
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@ -0,0 +1,90 @@
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/*
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* File: sound/soc/codec/ad73311.h
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* Based on:
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* Author: Cliff Cai <cliff.cai@analog.com>
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*
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* Created: Thur Sep 25, 2008
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* Description: definitions for AD73311 registers
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*
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*
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* Modified:
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* Copyright 2006 Analog Devices Inc.
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*
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* Bugs: Enter bugs at http://blackfin.uclinux.org/
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see the file COPYING, or write
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* to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __AD73311_H__
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#define __AD73311_H__
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#define AD_CONTROL 0x8000
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#define AD_DATA 0x0000
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#define AD_READ 0x4000
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#define AD_WRITE 0x0000
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/* Control register A */
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#define CTRL_REG_A (0 << 8)
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#define REGA_MODE_PRO 0x00
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#define REGA_MODE_DATA 0x01
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#define REGA_MODE_MIXED 0x03
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#define REGA_DLB 0x04
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#define REGA_SLB 0x08
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#define REGA_DEVC(x) ((x & 0x7) << 4)
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#define REGA_RESET 0x80
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/* Control register B */
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#define CTRL_REG_B (1 << 8)
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#define REGB_DIRATE(x) (x & 0x3)
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#define REGB_SCDIV(x) ((x & 0x3) << 2)
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#define REGB_MCDIV(x) ((x & 0x7) << 4)
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#define REGB_CEE (1 << 7)
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/* Control register C */
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#define CTRL_REG_C (2 << 8)
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#define REGC_PUDEV (1 << 0)
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#define REGC_PUADC (1 << 3)
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#define REGC_PUDAC (1 << 4)
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#define REGC_PUREF (1 << 5)
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#define REGC_REFUSE (1 << 6)
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/* Control register D */
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#define CTRL_REG_D (3 << 8)
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#define REGD_IGS(x) (x & 0x7)
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#define REGD_RMOD (1 << 3)
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#define REGD_OGS(x) ((x & 0x7) << 4)
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#define REGD_MUTE (x << 7)
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/* Control register E */
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#define CTRL_REG_E (4 << 8)
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#define REGE_DA(x) (x & 0x1f)
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#define REGE_IBYP (1 << 5)
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/* Control register F */
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#define CTRL_REG_F (5 << 8)
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#define REGF_SEEN (1 << 5)
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#define REGF_INV (1 << 6)
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#define REGF_ALB (1 << 7)
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extern struct snd_soc_dai ad73311_dai;
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extern struct snd_soc_codec_device soc_codec_dev_ad73311;
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#endif
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