12874c5fdSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later
274d04c3eSThomas Petazzoni /*
374d04c3eSThomas Petazzoni * Copyright (C) 2014 Marvell
474d04c3eSThomas Petazzoni *
574d04c3eSThomas Petazzoni * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
674d04c3eSThomas Petazzoni */
774d04c3eSThomas Petazzoni
874d04c3eSThomas Petazzoni #include <linux/module.h>
974d04c3eSThomas Petazzoni #include <linux/moduleparam.h>
1074d04c3eSThomas Petazzoni #include <linux/interrupt.h>
1174d04c3eSThomas Petazzoni #include <linux/platform_device.h>
1274d04c3eSThomas Petazzoni #include <linux/slab.h>
1374d04c3eSThomas Petazzoni #include <sound/soc.h>
1474d04c3eSThomas Petazzoni #include <linux/of.h>
1574d04c3eSThomas Petazzoni #include <linux/platform_data/asoc-kirkwood.h>
1674d04c3eSThomas Petazzoni #include "../codecs/cs42l51.h"
1774d04c3eSThomas Petazzoni
a370db_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)1874d04c3eSThomas Petazzoni static int a370db_hw_params(struct snd_pcm_substream *substream,
1974d04c3eSThomas Petazzoni struct snd_pcm_hw_params *params)
2074d04c3eSThomas Petazzoni {
216501cad6SKuninori Morimoto struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
22f844705fSKuninori Morimoto struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
2374d04c3eSThomas Petazzoni unsigned int freq;
2474d04c3eSThomas Petazzoni
2574d04c3eSThomas Petazzoni switch (params_rate(params)) {
2674d04c3eSThomas Petazzoni default:
2774d04c3eSThomas Petazzoni case 44100:
2874d04c3eSThomas Petazzoni freq = 11289600;
2974d04c3eSThomas Petazzoni break;
3074d04c3eSThomas Petazzoni case 48000:
3174d04c3eSThomas Petazzoni freq = 12288000;
3274d04c3eSThomas Petazzoni break;
3374d04c3eSThomas Petazzoni case 96000:
3474d04c3eSThomas Petazzoni freq = 24576000;
3574d04c3eSThomas Petazzoni break;
3674d04c3eSThomas Petazzoni }
3774d04c3eSThomas Petazzoni
3874d04c3eSThomas Petazzoni return snd_soc_dai_set_sysclk(codec_dai, 0, freq, SND_SOC_CLOCK_IN);
3974d04c3eSThomas Petazzoni }
4074d04c3eSThomas Petazzoni
419b6fdef6SJulia Lawall static const struct snd_soc_ops a370db_ops = {
4274d04c3eSThomas Petazzoni .hw_params = a370db_hw_params,
4374d04c3eSThomas Petazzoni };
4474d04c3eSThomas Petazzoni
4574d04c3eSThomas Petazzoni static const struct snd_soc_dapm_widget a370db_dapm_widgets[] = {
4674d04c3eSThomas Petazzoni SND_SOC_DAPM_HP("Out Jack", NULL),
4774d04c3eSThomas Petazzoni SND_SOC_DAPM_LINE("In Jack", NULL),
4874d04c3eSThomas Petazzoni };
4974d04c3eSThomas Petazzoni
5074d04c3eSThomas Petazzoni static const struct snd_soc_dapm_route a370db_route[] = {
5174d04c3eSThomas Petazzoni { "Out Jack", NULL, "HPL" },
5274d04c3eSThomas Petazzoni { "Out Jack", NULL, "HPR" },
5374d04c3eSThomas Petazzoni { "AIN1L", NULL, "In Jack" },
5474d04c3eSThomas Petazzoni { "AIN1L", NULL, "In Jack" },
5574d04c3eSThomas Petazzoni };
5674d04c3eSThomas Petazzoni
571d17821fSKuninori Morimoto SND_SOC_DAILINK_DEFS(analog,
581d17821fSKuninori Morimoto DAILINK_COMP_ARRAY(COMP_CPU("i2s")),
59bb6630d1SKuninori Morimoto DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "cs42l51-hifi")),
60bb6630d1SKuninori Morimoto DAILINK_COMP_ARRAY(COMP_EMPTY()));
611d17821fSKuninori Morimoto
621d17821fSKuninori Morimoto SND_SOC_DAILINK_DEFS(spdif_out,
631d17821fSKuninori Morimoto DAILINK_COMP_ARRAY(COMP_CPU("spdif")),
64bb6630d1SKuninori Morimoto DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "dit-hifi")),
65bb6630d1SKuninori Morimoto DAILINK_COMP_ARRAY(COMP_EMPTY()));
661d17821fSKuninori Morimoto
671d17821fSKuninori Morimoto SND_SOC_DAILINK_DEFS(spdif_in,
681d17821fSKuninori Morimoto DAILINK_COMP_ARRAY(COMP_CPU("spdif")),
69bb6630d1SKuninori Morimoto DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "dir-hifi")),
70bb6630d1SKuninori Morimoto DAILINK_COMP_ARRAY(COMP_EMPTY()));
711d17821fSKuninori Morimoto
7274d04c3eSThomas Petazzoni static struct snd_soc_dai_link a370db_dai[] = {
7374d04c3eSThomas Petazzoni {
7474d04c3eSThomas Petazzoni .name = "CS42L51",
7574d04c3eSThomas Petazzoni .stream_name = "analog",
7674d04c3eSThomas Petazzoni .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS,
7774d04c3eSThomas Petazzoni .ops = &a370db_ops,
781d17821fSKuninori Morimoto SND_SOC_DAILINK_REG(analog),
7974d04c3eSThomas Petazzoni },
80cece5656SThomas Petazzoni {
81cece5656SThomas Petazzoni .name = "S/PDIF out",
82cece5656SThomas Petazzoni .stream_name = "spdif-out",
83cece5656SThomas Petazzoni .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS,
841d17821fSKuninori Morimoto SND_SOC_DAILINK_REG(spdif_out),
85cece5656SThomas Petazzoni },
86cece5656SThomas Petazzoni {
87cece5656SThomas Petazzoni .name = "S/PDIF in",
88cece5656SThomas Petazzoni .stream_name = "spdif-in",
89cece5656SThomas Petazzoni .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS,
901d17821fSKuninori Morimoto SND_SOC_DAILINK_REG(spdif_in),
91cece5656SThomas Petazzoni },
9274d04c3eSThomas Petazzoni };
9374d04c3eSThomas Petazzoni
9474d04c3eSThomas Petazzoni static struct snd_soc_card a370db = {
9574d04c3eSThomas Petazzoni .name = "a370db",
9674d04c3eSThomas Petazzoni .owner = THIS_MODULE,
9774d04c3eSThomas Petazzoni .dai_link = a370db_dai,
9874d04c3eSThomas Petazzoni .num_links = ARRAY_SIZE(a370db_dai),
9974d04c3eSThomas Petazzoni .dapm_widgets = a370db_dapm_widgets,
10074d04c3eSThomas Petazzoni .num_dapm_widgets = ARRAY_SIZE(a370db_dapm_widgets),
10174d04c3eSThomas Petazzoni .dapm_routes = a370db_route,
10274d04c3eSThomas Petazzoni .num_dapm_routes = ARRAY_SIZE(a370db_route),
10374d04c3eSThomas Petazzoni };
10474d04c3eSThomas Petazzoni
a370db_probe(struct platform_device * pdev)10574d04c3eSThomas Petazzoni static int a370db_probe(struct platform_device *pdev)
10674d04c3eSThomas Petazzoni {
10774d04c3eSThomas Petazzoni struct snd_soc_card *card = &a370db;
10874d04c3eSThomas Petazzoni
10974d04c3eSThomas Petazzoni card->dev = &pdev->dev;
11074d04c3eSThomas Petazzoni
1111d17821fSKuninori Morimoto a370db_dai[0].cpus->of_node =
11274d04c3eSThomas Petazzoni of_parse_phandle(pdev->dev.of_node,
11374d04c3eSThomas Petazzoni "marvell,audio-controller", 0);
114bb6630d1SKuninori Morimoto a370db_dai[0].platforms->of_node = a370db_dai[0].cpus->of_node;
11574d04c3eSThomas Petazzoni
1161d17821fSKuninori Morimoto a370db_dai[0].codecs->of_node =
11774d04c3eSThomas Petazzoni of_parse_phandle(pdev->dev.of_node,
11874d04c3eSThomas Petazzoni "marvell,audio-codec", 0);
11974d04c3eSThomas Petazzoni
1201d17821fSKuninori Morimoto a370db_dai[1].cpus->of_node = a370db_dai[0].cpus->of_node;
121bb6630d1SKuninori Morimoto a370db_dai[1].platforms->of_node = a370db_dai[0].cpus->of_node;
122cece5656SThomas Petazzoni
1231d17821fSKuninori Morimoto a370db_dai[1].codecs->of_node =
124cece5656SThomas Petazzoni of_parse_phandle(pdev->dev.of_node,
125cece5656SThomas Petazzoni "marvell,audio-codec", 1);
126cece5656SThomas Petazzoni
1271d17821fSKuninori Morimoto a370db_dai[2].cpus->of_node = a370db_dai[0].cpus->of_node;
128bb6630d1SKuninori Morimoto a370db_dai[2].platforms->of_node = a370db_dai[0].cpus->of_node;
129cece5656SThomas Petazzoni
1301d17821fSKuninori Morimoto a370db_dai[2].codecs->of_node =
131cece5656SThomas Petazzoni of_parse_phandle(pdev->dev.of_node,
132cece5656SThomas Petazzoni "marvell,audio-codec", 2);
133cece5656SThomas Petazzoni
13474d04c3eSThomas Petazzoni return devm_snd_soc_register_card(card->dev, card);
13574d04c3eSThomas Petazzoni }
13674d04c3eSThomas Petazzoni
137*d013a59aSKrzysztof Kozlowski static const struct of_device_id a370db_dt_ids[] __maybe_unused = {
13874d04c3eSThomas Petazzoni { .compatible = "marvell,a370db-audio" },
13974d04c3eSThomas Petazzoni { },
14074d04c3eSThomas Petazzoni };
14130953a80SLuis de Bethencourt MODULE_DEVICE_TABLE(of, a370db_dt_ids);
14274d04c3eSThomas Petazzoni
14374d04c3eSThomas Petazzoni static struct platform_driver a370db_driver = {
14474d04c3eSThomas Petazzoni .driver = {
14574d04c3eSThomas Petazzoni .name = "a370db-audio",
14674d04c3eSThomas Petazzoni .of_match_table = of_match_ptr(a370db_dt_ids),
14774d04c3eSThomas Petazzoni },
14874d04c3eSThomas Petazzoni .probe = a370db_probe,
14974d04c3eSThomas Petazzoni };
15074d04c3eSThomas Petazzoni
15174d04c3eSThomas Petazzoni module_platform_driver(a370db_driver);
15274d04c3eSThomas Petazzoni
15374d04c3eSThomas Petazzoni MODULE_AUTHOR("Thomas Petazzoni <thomas.petazzoni@free-electrons.com>");
15474d04c3eSThomas Petazzoni MODULE_DESCRIPTION("ALSA SoC a370db audio client");
15574d04c3eSThomas Petazzoni MODULE_LICENSE("GPL");
15674d04c3eSThomas Petazzoni MODULE_ALIAS("platform:a370db-audio");
157