[mirror_ubuntu-eoan-kernel.git] / sound / soc / kirkwood / armada-370-db.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (C) 2014 Marvell
 *
 * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <sound/soc.h>
#include <linux/of.h>
#include <linux/platform_data/asoc-kirkwood.h>
#include "../codecs/cs42l51.h"

static int a370db_hw_params(struct snd_pcm_substream *substream,
			    struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	unsigned int freq;

	switch (params_rate(params)) {
	default:
	case 44100:
		freq = 11289600;
		break;
	case 48000:
		freq = 12288000;
		break;
	case 96000:
		freq = 24576000;
		break;
	}

	return snd_soc_dai_set_sysclk(codec_dai, 0, freq, SND_SOC_CLOCK_IN);
}

static const struct snd_soc_ops a370db_ops = {
	.hw_params = a370db_hw_params,
};

static const struct snd_soc_dapm_widget a370db_dapm_widgets[] = {
	SND_SOC_DAPM_HP("Out Jack", NULL),
	SND_SOC_DAPM_LINE("In Jack", NULL),
};

static const struct snd_soc_dapm_route a370db_route[] = {
	{ "Out Jack",	NULL,	"HPL" },
	{ "Out Jack",	NULL,	"HPR" },
	{ "AIN1L",	NULL,	"In Jack" },
	{ "AIN1L",	NULL,	"In Jack" },
};

static struct snd_soc_dai_link a370db_dai[] = {
{
	.name = "CS42L51",
	.stream_name = "analog",
	.cpu_dai_name = "i2s",
	.codec_dai_name = "cs42l51-hifi",
	.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS,
	.ops = &a370db_ops,
},
{
	.name = "S/PDIF out",
	.stream_name = "spdif-out",
	.cpu_dai_name = "spdif",
	.codec_dai_name = "dit-hifi",
	.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS,
},
{
	.name = "S/PDIF in",
	.stream_name = "spdif-in",
	.cpu_dai_name = "spdif",
	.codec_dai_name = "dir-hifi",
	.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS,
},
};

static struct snd_soc_card a370db = {
	.name = "a370db",
	.owner = THIS_MODULE,
	.dai_link = a370db_dai,
	.num_links = ARRAY_SIZE(a370db_dai),
	.dapm_widgets = a370db_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(a370db_dapm_widgets),
	.dapm_routes = a370db_route,
	.num_dapm_routes = ARRAY_SIZE(a370db_route),
};

static int a370db_probe(struct platform_device *pdev)
{
	struct snd_soc_card *card = &a370db;

	card->dev = &pdev->dev;

	a370db_dai[0].cpu_of_node =
		of_parse_phandle(pdev->dev.of_node,
				 "marvell,audio-controller", 0);
	a370db_dai[0].platform_of_node = a370db_dai[0].cpu_of_node;

	a370db_dai[0].codec_of_node =
		of_parse_phandle(pdev->dev.of_node,
				 "marvell,audio-codec", 0);

	a370db_dai[1].cpu_of_node = a370db_dai[0].cpu_of_node;
	a370db_dai[1].platform_of_node = a370db_dai[0].cpu_of_node;

	a370db_dai[1].codec_of_node =
		of_parse_phandle(pdev->dev.of_node,
				 "marvell,audio-codec", 1);

	a370db_dai[2].cpu_of_node = a370db_dai[0].cpu_of_node;
	a370db_dai[2].platform_of_node = a370db_dai[0].cpu_of_node;

	a370db_dai[2].codec_of_node =
		of_parse_phandle(pdev->dev.of_node,
				 "marvell,audio-codec", 2);

	return devm_snd_soc_register_card(card->dev, card);
}

static const struct of_device_id a370db_dt_ids[] = {
	{ .compatible = "marvell,a370db-audio" },
	{ },
};
MODULE_DEVICE_TABLE(of, a370db_dt_ids);

static struct platform_driver a370db_driver = {
	.driver		= {
		.name	= "a370db-audio",
		.of_match_table = of_match_ptr(a370db_dt_ids),
	},
	.probe		= a370db_probe,
};

module_platform_driver(a370db_driver);

MODULE_AUTHOR("Thomas Petazzoni <thomas.petazzoni@free-electrons.com>");
MODULE_DESCRIPTION("ALSA SoC a370db audio client");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:a370db-audio");
Commit	Line	Data
2874c5fd	1	// SPDX-License-Identifier: GPL-2.0-or-later
74d04c3e TP	2	/*
	3	* Copyright (C) 2014 Marvell
	4	*
	5	* Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
74d04c3e TP	6	*/
	7
	8	#include <linux/module.h>
	9	#include <linux/moduleparam.h>
	10	#include <linux/interrupt.h>
	11	#include <linux/platform_device.h>
	12	#include <linux/slab.h>
	13	#include <sound/soc.h>
	14	#include <linux/of.h>
	15	#include <linux/platform_data/asoc-kirkwood.h>
	16	#include "../codecs/cs42l51.h"
	17
	18	static int a370db_hw_params(struct snd_pcm_substream *substream,
	19	struct snd_pcm_hw_params *params)
	20	{
	21	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	22	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	23	unsigned int freq;
	24
	25	switch (params_rate(params)) {
	26	default:
	27	case 44100:
	28	freq = 11289600;
	29	break;
	30	case 48000:
	31	freq = 12288000;
	32	break;
	33	case 96000:
	34	freq = 24576000;
	35	break;
	36	}
	37
	38	return snd_soc_dai_set_sysclk(codec_dai, 0, freq, SND_SOC_CLOCK_IN);
	39	}
	40
9b6fdef6	41	static const struct snd_soc_ops a370db_ops = {
74d04c3e TP	42	.hw_params = a370db_hw_params,
	43	};
	44
	45	static const struct snd_soc_dapm_widget a370db_dapm_widgets[] = {
	46	SND_SOC_DAPM_HP("Out Jack", NULL),
	47	SND_SOC_DAPM_LINE("In Jack", NULL),
	48	};
	49
	50	static const struct snd_soc_dapm_route a370db_route[] = {
	51	{ "Out Jack", NULL, "HPL" },
	52	{ "Out Jack", NULL, "HPR" },
	53	{ "AIN1L", NULL, "In Jack" },
	54	{ "AIN1L", NULL, "In Jack" },
	55	};
	56
	57	static struct snd_soc_dai_link a370db_dai[] = {
	58	{
	59	.name = "CS42L51",
	60	.stream_name = "analog",
	61	.cpu_dai_name = "i2s",
	62	.codec_dai_name = "cs42l51-hifi",
	63	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_CBS_CFS,
	64	.ops = &a370db_ops,
	65	},
cece5656 TP	66	{
	67	.name = "S/PDIF out",
	68	.stream_name = "spdif-out",
	69	.cpu_dai_name = "spdif",
	70	.codec_dai_name = "dit-hifi",
	71	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_CBS_CFS,
	72	},
	73	{
	74	.name = "S/PDIF in",
	75	.stream_name = "spdif-in",
	76	.cpu_dai_name = "spdif",
	77	.codec_dai_name = "dir-hifi",
	78	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_CBS_CFS,
	79	},
74d04c3e TP	80	};
	81
	82	static struct snd_soc_card a370db = {
	83	.name = "a370db",
	84	.owner = THIS_MODULE,
	85	.dai_link = a370db_dai,
	86	.num_links = ARRAY_SIZE(a370db_dai),
	87	.dapm_widgets = a370db_dapm_widgets,
	88	.num_dapm_widgets = ARRAY_SIZE(a370db_dapm_widgets),
	89	.dapm_routes = a370db_route,
	90	.num_dapm_routes = ARRAY_SIZE(a370db_route),
	91	};
	92
	93	static int a370db_probe(struct platform_device *pdev)
	94	{
	95	struct snd_soc_card *card = &a370db;
	96
	97	card->dev = &pdev->dev;
	98
	99	a370db_dai[0].cpu_of_node =
	100	of_parse_phandle(pdev->dev.of_node,
	101	"marvell,audio-controller", 0);
	102	a370db_dai[0].platform_of_node = a370db_dai[0].cpu_of_node;
	103
	104	a370db_dai[0].codec_of_node =
	105	of_parse_phandle(pdev->dev.of_node,
	106	"marvell,audio-codec", 0);
	107
cece5656 TP	108	a370db_dai[1].cpu_of_node = a370db_dai[0].cpu_of_node;
	109	a370db_dai[1].platform_of_node = a370db_dai[0].cpu_of_node;
	110
	111	a370db_dai[1].codec_of_node =
	112	of_parse_phandle(pdev->dev.of_node,
	113	"marvell,audio-codec", 1);
	114
	115	a370db_dai[2].cpu_of_node = a370db_dai[0].cpu_of_node;
	116	a370db_dai[2].platform_of_node = a370db_dai[0].cpu_of_node;
	117
	118	a370db_dai[2].codec_of_node =
	119	of_parse_phandle(pdev->dev.of_node,
	120	"marvell,audio-codec", 2);
	121
74d04c3e TP	122	return devm_snd_soc_register_card(card->dev, card);
	123	}
	124
	125	static const struct of_device_id a370db_dt_ids[] = {
	126	{ .compatible = "marvell,a370db-audio" },
	127	{ },
	128	};
30953a80	129	MODULE_DEVICE_TABLE(of, a370db_dt_ids);
74d04c3e TP	130
	131	static struct platform_driver a370db_driver = {
	132	.driver = {
	133	.name = "a370db-audio",
74d04c3e TP	134	.of_match_table = of_match_ptr(a370db_dt_ids),
	135	},
	136	.probe = a370db_probe,
	137	};
	138
	139	module_platform_driver(a370db_driver);
	140
	141	MODULE_AUTHOR("Thomas Petazzoni <thomas.petazzoni@free-electrons.com>");
	142	MODULE_DESCRIPTION("ALSA SoC a370db audio client");
	143	MODULE_LICENSE("GPL");
	144	MODULE_ALIAS("platform:a370db-audio");