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156 lines
4.0 KiB
156 lines
4.0 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* Copyright (C) 2014 Marvell |
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* |
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* Thomas Petazzoni <[email protected]> |
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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/of.h> |
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#include <linux/platform_data/asoc-kirkwood.h> |
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#include "../codecs/cs42l51.h" |
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static int a370db_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 = asoc_substream_to_rtd(substream); |
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struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); |
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unsigned int freq; |
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switch (params_rate(params)) { |
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default: |
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case 44100: |
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freq = 11289600; |
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break; |
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case 48000: |
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freq = 12288000; |
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break; |
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case 96000: |
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freq = 24576000; |
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break; |
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} |
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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 const struct snd_soc_ops a370db_ops = { |
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.hw_params = a370db_hw_params, |
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}; |
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static const struct snd_soc_dapm_widget a370db_dapm_widgets[] = { |
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SND_SOC_DAPM_HP("Out Jack", NULL), |
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SND_SOC_DAPM_LINE("In Jack", NULL), |
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}; |
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static const struct snd_soc_dapm_route a370db_route[] = { |
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{ "Out Jack", NULL, "HPL" }, |
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{ "Out Jack", NULL, "HPR" }, |
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{ "AIN1L", NULL, "In Jack" }, |
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{ "AIN1L", NULL, "In Jack" }, |
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}; |
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SND_SOC_DAILINK_DEFS(analog, |
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DAILINK_COMP_ARRAY(COMP_CPU("i2s")), |
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DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "cs42l51-hifi")), |
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DAILINK_COMP_ARRAY(COMP_EMPTY())); |
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SND_SOC_DAILINK_DEFS(spdif_out, |
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DAILINK_COMP_ARRAY(COMP_CPU("spdif")), |
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DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "dit-hifi")), |
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DAILINK_COMP_ARRAY(COMP_EMPTY())); |
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SND_SOC_DAILINK_DEFS(spdif_in, |
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DAILINK_COMP_ARRAY(COMP_CPU("spdif")), |
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DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "dir-hifi")), |
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DAILINK_COMP_ARRAY(COMP_EMPTY())); |
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static struct snd_soc_dai_link a370db_dai[] = { |
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{ |
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.name = "CS42L51", |
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.stream_name = "analog", |
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS, |
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.ops = &a370db_ops, |
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SND_SOC_DAILINK_REG(analog), |
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}, |
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{ |
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.name = "S/PDIF out", |
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.stream_name = "spdif-out", |
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS, |
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SND_SOC_DAILINK_REG(spdif_out), |
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}, |
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{ |
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.name = "S/PDIF in", |
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.stream_name = "spdif-in", |
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS, |
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SND_SOC_DAILINK_REG(spdif_in), |
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}, |
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}; |
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static struct snd_soc_card a370db = { |
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.name = "a370db", |
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.owner = THIS_MODULE, |
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.dai_link = a370db_dai, |
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.num_links = ARRAY_SIZE(a370db_dai), |
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.dapm_widgets = a370db_dapm_widgets, |
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.num_dapm_widgets = ARRAY_SIZE(a370db_dapm_widgets), |
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.dapm_routes = a370db_route, |
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.num_dapm_routes = ARRAY_SIZE(a370db_route), |
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}; |
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static int a370db_probe(struct platform_device *pdev) |
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{ |
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struct snd_soc_card *card = &a370db; |
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card->dev = &pdev->dev; |
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a370db_dai[0].cpus->of_node = |
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of_parse_phandle(pdev->dev.of_node, |
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"marvell,audio-controller", 0); |
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a370db_dai[0].platforms->of_node = a370db_dai[0].cpus->of_node; |
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a370db_dai[0].codecs->of_node = |
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of_parse_phandle(pdev->dev.of_node, |
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"marvell,audio-codec", 0); |
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a370db_dai[1].cpus->of_node = a370db_dai[0].cpus->of_node; |
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a370db_dai[1].platforms->of_node = a370db_dai[0].cpus->of_node; |
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a370db_dai[1].codecs->of_node = |
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of_parse_phandle(pdev->dev.of_node, |
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"marvell,audio-codec", 1); |
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a370db_dai[2].cpus->of_node = a370db_dai[0].cpus->of_node; |
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a370db_dai[2].platforms->of_node = a370db_dai[0].cpus->of_node; |
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a370db_dai[2].codecs->of_node = |
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of_parse_phandle(pdev->dev.of_node, |
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"marvell,audio-codec", 2); |
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return devm_snd_soc_register_card(card->dev, card); |
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} |
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static const struct of_device_id a370db_dt_ids[] __maybe_unused = { |
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{ .compatible = "marvell,a370db-audio" }, |
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{ }, |
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}; |
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MODULE_DEVICE_TABLE(of, a370db_dt_ids); |
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static struct platform_driver a370db_driver = { |
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.driver = { |
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.name = "a370db-audio", |
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.of_match_table = of_match_ptr(a370db_dt_ids), |
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}, |
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.probe = a370db_probe, |
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}; |
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module_platform_driver(a370db_driver); |
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MODULE_AUTHOR("Thomas Petazzoni <[email protected]>"); |
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MODULE_DESCRIPTION("ALSA SoC a370db audio client"); |
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MODULE_LICENSE("GPL"); |
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MODULE_ALIAS("platform:a370db-audio");
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