154 lines
3.9 KiB
C
154 lines
3.9 KiB
C
/* sound/soc/s3c24xx/s3c24xx_simtec_hermes.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 "s3c-dma.h"
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#include "s3c24xx-i2s.h"
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#include "s3c24xx_simtec.h"
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#include "../codecs/tlv320aic3x.h"
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static const struct snd_soc_dapm_widget dapm_widgets[] = {
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SND_SOC_DAPM_LINE("GSM Out", NULL),
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SND_SOC_DAPM_LINE("GSM In", 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_LINE("ZV", NULL),
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SND_SOC_DAPM_MIC("Mic Jack", NULL),
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SND_SOC_DAPM_HP("Headphone Jack", NULL),
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};
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static const struct snd_soc_dapm_route base_map[] = {
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/* Headphone connected to HP{L,R}OUT and HP{L,R}COM */
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{ "Headphone Jack", NULL, "HPLOUT" },
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{ "Headphone Jack", NULL, "HPLCOM" },
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{ "Headphone Jack", NULL, "HPROUT" },
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{ "Headphone Jack", NULL, "HPRCOM" },
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/* ZV connected to Line1 */
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{ "LINE1L", NULL, "ZV" },
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{ "LINE1R", NULL, "ZV" },
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/* Line In connected to Line2 */
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{ "LINE2L", NULL, "Line In" },
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{ "LINE2R", NULL, "Line In" },
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/* Microphone connected to MIC3R and MIC_BIAS */
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{ "MIC3L", NULL, "Mic Jack" },
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/* GSM connected to MONO_LOUT and MIC3L (in) */
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{ "GSM Out", NULL, "MONO_LOUT" },
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{ "MIC3L", NULL, "GSM In" },
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/* Speaker is connected to LINEOUT{LN,LP,RN,RP}, however we are
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* not using the DAPM to power it up and down as there it makes
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* a click when powering up. */
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};
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/**
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* simtec_hermes_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_hermes_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 aic3x_setup_data codec_setup = {
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};
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static struct snd_soc_dai_link simtec_dai_aic33 = {
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.name = "tlv320aic33",
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.stream_name = "TLV320AIC33",
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.cpu_dai = &s3c24xx_i2s_dai,
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.codec_dai = &aic3x_dai,
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.init = simtec_hermes_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_aic33 = {
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.name = "Simtec-Hermes",
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.platform = &s3c24xx_soc_platform,
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.dai_link = &simtec_dai_aic33,
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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_aic33 = {
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.card = &snd_soc_machine_simtec_aic33,
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.codec_dev = &soc_codec_dev_aic3x,
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.codec_data = &codec_setup,
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};
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static int __devinit simtec_audio_hermes_probe(struct platform_device *pd)
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{
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dev_info(&pd->dev, "probing....\n");
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return simtec_audio_core_probe(pd, &simtec_snd_devdata_aic33);
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}
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static struct platform_driver simtec_audio_hermes_platdrv = {
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.driver = {
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.owner = THIS_MODULE,
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.name = "s3c24xx-simtec-hermes-snd",
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.pm = simtec_audio_pm,
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},
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.probe = simtec_audio_hermes_probe,
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.remove = __devexit_p(simtec_audio_remove),
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};
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MODULE_ALIAS("platform:s3c24xx-simtec-hermes-snd");
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static int __init simtec_hermes_modinit(void)
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{
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return platform_driver_register(&simtec_audio_hermes_platdrv);
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}
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static void __exit simtec_hermes_modexit(void)
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{
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platform_driver_unregister(&simtec_audio_hermes_platdrv);
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}
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module_init(simtec_hermes_modinit);
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module_exit(simtec_hermes_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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