forked from Minki/linux
14412acde5
Add core support for the range of S3C24XX Simtec boards with TLV320AIC23 CODECs on them. Since there are also boards with similar IIS routing the AMP and the configuration code is placed in a core file for re-use with other CODEC bindings. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
138 lines
3.6 KiB
C
138 lines
3.6 KiB
C
/* sound/soc/s3c24xx/s3c24xx_simtec_tlv320aic23.c
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*
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* Copyright 2009 Simtec Electronics
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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 version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/module.h>
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#include <linux/clk.h>
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#include <linux/platform_device.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/soc.h>
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#include <sound/soc-dapm.h>
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#include <plat/audio-simtec.h>
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#include "s3c24xx-pcm.h"
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#include "s3c24xx-i2s.h"
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#include "s3c24xx_simtec.h"
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#include "../codecs/tlv320aic23.h"
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/* supported machines:
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*
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* Machine Connections AMP
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* ------- ----------- ---
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* BAST MIC, HPOUT, LOUT, LIN TPA2001D1 (HPOUTL,R) (gain hardwired)
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* VR1000 HPOUT, LIN None
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* VR2000 LIN, LOUT, MIC, HP LM4871 (HPOUTL,R)
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* DePicture LIN, LOUT, MIC, HP LM4871 (HPOUTL,R)
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* Anubis LIN, LOUT, MIC, HP TPA2001D1 (HPOUTL,R)
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*/
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static const struct snd_soc_dapm_widget dapm_widgets[] = {
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SND_SOC_DAPM_HP("Headphone Jack", NULL),
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SND_SOC_DAPM_LINE("Line In", NULL),
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SND_SOC_DAPM_LINE("Line Out", NULL),
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SND_SOC_DAPM_MIC("Mic Jack", NULL),
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};
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static const struct snd_soc_dapm_route base_map[] = {
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{ "Headphone Jack", NULL, "LHPOUT"},
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{ "Headphone Jack", NULL, "RHPOUT"},
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{ "Line Out", NULL, "LOUT" },
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{ "Line Out", NULL, "ROUT" },
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{ "LLINEIN", NULL, "Line In"},
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{ "RLINEIN", NULL, "Line In"},
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{ "MICIN", NULL, "Mic Jack"},
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};
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/**
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* simtec_tlv320aic23_init - initialise and add controls
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* @codec; The codec instance to attach to.
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*
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* Attach our controls and configure the necessary codec
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* mappings for our sound card instance.
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*/
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static int simtec_tlv320aic23_init(struct snd_soc_codec *codec)
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{
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snd_soc_dapm_new_controls(codec, dapm_widgets,
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ARRAY_SIZE(dapm_widgets));
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snd_soc_dapm_add_routes(codec, base_map, ARRAY_SIZE(base_map));
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snd_soc_dapm_enable_pin(codec, "Headphone Jack");
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snd_soc_dapm_enable_pin(codec, "Line In");
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snd_soc_dapm_enable_pin(codec, "Line Out");
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snd_soc_dapm_enable_pin(codec, "Mic Jack");
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simtec_audio_init(codec);
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snd_soc_dapm_sync(codec);
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return 0;
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}
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static struct snd_soc_dai_link simtec_dai_aic23 = {
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.name = "tlv320aic23",
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.stream_name = "TLV320AIC23",
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.cpu_dai = &s3c24xx_i2s_dai,
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.codec_dai = &tlv320aic23_dai,
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.init = simtec_tlv320aic23_init,
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};
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/* simtec audio machine driver */
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static struct snd_soc_card snd_soc_machine_simtec_aic23 = {
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.name = "Simtec",
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.platform = &s3c24xx_soc_platform,
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.dai_link = &simtec_dai_aic23,
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.num_links = 1,
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};
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/* simtec audio subsystem */
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static struct snd_soc_device simtec_snd_devdata_aic23 = {
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.card = &snd_soc_machine_simtec_aic23,
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.codec_dev = &soc_codec_dev_tlv320aic23,
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};
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static int __devinit simtec_audio_tlv320aic23_probe(struct platform_device *pd)
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{
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return simtec_audio_core_probe(pd, &simtec_snd_devdata_aic23);
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}
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static struct platform_driver simtec_audio_tlv320aic23_platdrv = {
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.driver = {
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.owner = THIS_MODULE,
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.name = "s3c24xx-simtec-tlv320aic23",
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.pm = simtec_audio_pm,
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},
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.probe = simtec_audio_tlv320aic23_probe,
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.remove = __devexit_p(simtec_audio_remove),
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};
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MODULE_ALIAS("platform:s3c24xx-simtec-tlv320aic23");
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static int __init simtec_tlv320aic23_modinit(void)
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{
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return platform_driver_register(&simtec_audio_tlv320aic23_platdrv);
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}
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static void __exit simtec_tlv320aic23_modexit(void)
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{
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platform_driver_unregister(&simtec_audio_tlv320aic23_platdrv);
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}
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module_init(simtec_tlv320aic23_modinit);
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module_exit(simtec_tlv320aic23_modexit);
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MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
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MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
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MODULE_LICENSE("GPL");
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