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75b9b65ee5
This patch adds S/PDIF input/output for mvebu DT boards. Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mark Brown <broonie@linaro.org>
130 lines
3.1 KiB
C
130 lines
3.1 KiB
C
/*
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* kirkwood-t5325.c
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*
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* (c) 2010 Arnaud Patard <arnaud.patard@rtp-net.org>
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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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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/interrupt.h>
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#include <linux/platform_device.h>
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#include <linux/slab.h>
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#include <sound/soc.h>
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#include <linux/platform_data/asoc-kirkwood.h>
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#include "../codecs/alc5623.h"
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static int t5325_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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unsigned int freq;
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freq = params_rate(params) * 256;
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return snd_soc_dai_set_sysclk(codec_dai, 0, freq, SND_SOC_CLOCK_IN);
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}
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static struct snd_soc_ops t5325_ops = {
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.hw_params = t5325_hw_params,
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};
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static const struct snd_soc_dapm_widget t5325_dapm_widgets[] = {
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SND_SOC_DAPM_HP("Headphone Jack", NULL),
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SND_SOC_DAPM_SPK("Speaker", 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 t5325_route[] = {
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{ "Headphone Jack", NULL, "HPL" },
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{ "Headphone Jack", NULL, "HPR" },
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{"Speaker", NULL, "SPKOUT"},
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{"Speaker", NULL, "SPKOUTN"},
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{ "MIC1", NULL, "Mic Jack" },
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{ "MIC2", NULL, "Mic Jack" },
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};
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static int t5325_dai_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_codec *codec = rtd->codec;
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struct snd_soc_dapm_context *dapm = &codec->dapm;
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snd_soc_dapm_enable_pin(dapm, "Mic Jack");
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snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
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snd_soc_dapm_enable_pin(dapm, "Speaker");
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return 0;
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}
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static struct snd_soc_dai_link t5325_dai[] = {
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{
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.name = "ALC5621",
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.stream_name = "ALC5621 HiFi",
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.cpu_dai_name = "i2s",
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.platform_name = "mvebu-audio",
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.codec_dai_name = "alc5621-hifi",
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.codec_name = "alc562x-codec.0-001a",
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS,
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.ops = &t5325_ops,
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.init = t5325_dai_init,
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},
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};
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static struct snd_soc_card t5325 = {
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.name = "t5325",
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.owner = THIS_MODULE,
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.dai_link = t5325_dai,
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.num_links = ARRAY_SIZE(t5325_dai),
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.dapm_widgets = t5325_dapm_widgets,
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.num_dapm_widgets = ARRAY_SIZE(t5325_dapm_widgets),
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.dapm_routes = t5325_route,
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.num_dapm_routes = ARRAY_SIZE(t5325_route),
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};
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static int t5325_probe(struct platform_device *pdev)
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{
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struct snd_soc_card *card = &t5325;
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int ret;
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card->dev = &pdev->dev;
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ret = snd_soc_register_card(card);
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if (ret)
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dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
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ret);
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return ret;
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}
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static int t5325_remove(struct platform_device *pdev)
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{
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struct snd_soc_card *card = platform_get_drvdata(pdev);
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snd_soc_unregister_card(card);
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return 0;
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}
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static struct platform_driver t5325_driver = {
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.driver = {
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.name = "t5325-audio",
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.owner = THIS_MODULE,
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},
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.probe = t5325_probe,
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.remove = t5325_remove,
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};
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module_platform_driver(t5325_driver);
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MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>");
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MODULE_DESCRIPTION("ALSA SoC t5325 audio client");
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MODULE_LICENSE("GPL");
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MODULE_ALIAS("platform:t5325-audio");
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