[deliverable/linux.git] / sound / soc / samsung / odroidx2_max98090.c

/*
 * Copyright (C) 2014 Samsung Electronics Co., Ltd.
 *
 * This program is free software; you can redistribute  it and/or modify it
 * under  the terms of  the GNU General  Public License as published by the
 * Free Software Foundation;  either version 2 of the  License, or (at your
 * option) any later version.
 */

#include <linux/of.h>
#include <linux/module.h>
#include <sound/soc.h>
#include <sound/pcm_params.h>
#include "i2s.h"

struct odroidx2_drv_data {
	const struct snd_soc_dapm_widget *dapm_widgets;
	unsigned int num_dapm_widgets;
};

/* The I2S CDCLK output clock frequency for the MAX98090 codec */
#define MAX98090_MCLK 19200000

static struct snd_soc_dai_link odroidx2_dai[];

static int odroidx2_late_probe(struct snd_soc_card *card)
{
	struct snd_soc_pcm_runtime *rtd;
	struct snd_soc_dai *codec_dai;
	struct snd_soc_dai *cpu_dai;
	int ret;

	rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name);
	codec_dai = rtd->codec_dai;
	cpu_dai = rtd->cpu_dai;

	ret = snd_soc_dai_set_sysclk(codec_dai, 0, MAX98090_MCLK,
						SND_SOC_CLOCK_IN);

	if (ret < 0 || of_find_property(odroidx2_dai[0].codec_of_node,
					"clocks", NULL))
		return ret;

	/* Set the cpu DAI configuration in order to use CDCLK */
	return snd_soc_dai_set_sysclk(cpu_dai, SAMSUNG_I2S_CDCLK,
					0, SND_SOC_CLOCK_OUT);
}

static const struct snd_soc_dapm_widget odroidx2_dapm_widgets[] = {
	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	SND_SOC_DAPM_MIC("Mic Jack", NULL),
	SND_SOC_DAPM_MIC("DMIC", NULL),
};

static const struct snd_soc_dapm_widget odroidu3_dapm_widgets[] = {
	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	SND_SOC_DAPM_SPK("Speakers", NULL),
};

static struct snd_soc_dai_link odroidx2_dai[] = {
	{
		.name		= "MAX98090",
		.stream_name	= "MAX98090 PCM",
		.codec_dai_name	= "HiFi",
		.dai_fmt	= SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
				  SND_SOC_DAIFMT_CBM_CFM,
	}
};

static struct snd_soc_card odroidx2 = {
	.owner			= THIS_MODULE,
	.dai_link		= odroidx2_dai,
	.num_links		= ARRAY_SIZE(odroidx2_dai),
	.fully_routed		= true,
	.late_probe		= odroidx2_late_probe,
};

static const struct odroidx2_drv_data odroidx2_drvdata = {
	.dapm_widgets		= odroidx2_dapm_widgets,
	.num_dapm_widgets	= ARRAY_SIZE(odroidx2_dapm_widgets),
};

static const struct odroidx2_drv_data odroidu3_drvdata = {
	.dapm_widgets		= odroidu3_dapm_widgets,
	.num_dapm_widgets	= ARRAY_SIZE(odroidu3_dapm_widgets),
};

static const struct of_device_id odroidx2_audio_of_match[] = {
	{
		.compatible	= "samsung,odroidx2-audio",
		.data		= &odroidx2_drvdata,
	}, {
		.compatible	= "samsung,odroidu3-audio",
		.data		= &odroidu3_drvdata,
	},
	{ },
};
MODULE_DEVICE_TABLE(of, odroidx2_audio_of_match);

static int odroidx2_audio_probe(struct platform_device *pdev)
{
	struct device_node *snd_node = pdev->dev.of_node;
	struct snd_soc_card *card = &odroidx2;
	struct device_node *i2s_node, *codec_node;
	struct odroidx2_drv_data *dd;
	const struct of_device_id *of_id;
	int ret;

	of_id = of_match_node(odroidx2_audio_of_match, snd_node);
	dd = (struct odroidx2_drv_data *)of_id->data;

	card->num_dapm_widgets = dd->num_dapm_widgets;
	card->dapm_widgets = dd->dapm_widgets;

	card->dev = &pdev->dev;

	ret = snd_soc_of_parse_card_name(card, "samsung,model");
	if (ret < 0)
		return ret;

	ret = snd_soc_of_parse_audio_routing(card, "samsung,audio-routing");
	if (ret < 0)
		return ret;

	codec_node = of_parse_phandle(snd_node, "samsung,audio-codec", 0);
	if (!codec_node) {
		dev_err(&pdev->dev,
			"Failed parsing samsung,i2s-codec property\n");
		return -EINVAL;
	}

	i2s_node = of_parse_phandle(snd_node, "samsung,i2s-controller", 0);
	if (!i2s_node) {
		dev_err(&pdev->dev,
			"Failed parsing samsung,i2s-controller property\n");
		ret = -EINVAL;
		goto err_put_codec_n;
	}

	odroidx2_dai[0].codec_of_node = codec_node;
	odroidx2_dai[0].cpu_of_node = i2s_node;
	odroidx2_dai[0].platform_of_node = i2s_node;

	ret = snd_soc_register_card(card);
	if (ret) {
		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
			ret);
		goto err_put_i2s_n;
	}
	return 0;

err_put_i2s_n:
	of_node_put(i2s_node);
err_put_codec_n:
	of_node_put(codec_node);
	return ret;
}

static int odroidx2_audio_remove(struct platform_device *pdev)
{
	struct snd_soc_card *card = platform_get_drvdata(pdev);

	snd_soc_unregister_card(card);

	of_node_put(odroidx2_dai[0].cpu_of_node);
	of_node_put(odroidx2_dai[0].codec_of_node);

	return 0;
}

static struct platform_driver odroidx2_audio_driver = {
	.driver = {
		.name		= "odroidx2-audio",
		.of_match_table	= odroidx2_audio_of_match,
		.pm		= &snd_soc_pm_ops,
	},
	.probe	= odroidx2_audio_probe,
	.remove	= odroidx2_audio_remove,
};
module_platform_driver(odroidx2_audio_driver);

MODULE_AUTHOR("Chen Zhen <zhen1.chen@samsung.com>");
MODULE_AUTHOR("Sylwester Nawrocki <s.nawrocki@samsung.com>");
MODULE_DESCRIPTION("ALSA SoC Odroid X2/U3 Audio Support");
MODULE_LICENSE("GPL v2");
Commit	Line	Data
a40712a3 SN	1	/*
	2	* Copyright (C) 2014 Samsung Electronics Co., Ltd.
	3	*
	4	* This program is free software; you can redistribute it and/or modify it
	5	* under the terms of the GNU General Public License as published by the
	6	* Free Software Foundation; either version 2 of the License, or (at your
	7	* option) any later version.
	8	*/
	9
	10	#include <linux/of.h>
	11	#include <linux/module.h>
	12	#include <sound/soc.h>
	13	#include <sound/pcm_params.h>
	14	#include "i2s.h"
	15
	16	struct odroidx2_drv_data {
	17	const struct snd_soc_dapm_widget *dapm_widgets;
	18	unsigned int num_dapm_widgets;
	19	};
	20
	21	/* The I2S CDCLK output clock frequency for the MAX98090 codec */
	22	#define MAX98090_MCLK 19200000
	23
ecb400ca SN	24	static struct snd_soc_dai_link odroidx2_dai[];
ecb400ca SN	25
a40712a3 SN	26	static int odroidx2_late_probe(struct snd_soc_card *card)
a40712a3 SN	27	{
5015920a ML	28	struct snd_soc_pcm_runtime *rtd;
	29	struct snd_soc_dai *codec_dai;
	30	struct snd_soc_dai *cpu_dai;
a40712a3 SN	31	int ret;
a40712a3 SN	32
5015920a ML	33	rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name);
	34	codec_dai = rtd->codec_dai;
	35	cpu_dai = rtd->cpu_dai;
	36
a40712a3 SN	37	ret = snd_soc_dai_set_sysclk(codec_dai, 0, MAX98090_MCLK,
a40712a3 SN	38	SND_SOC_CLOCK_IN);
ecb400ca SN	39
	40	if (ret < 0 \|\| of_find_property(odroidx2_dai[0].codec_of_node,
	41	"clocks", NULL))
a40712a3 SN	42	return ret;
	43
	44	/* Set the cpu DAI configuration in order to use CDCLK */
	45	return snd_soc_dai_set_sysclk(cpu_dai, SAMSUNG_I2S_CDCLK,
	46	0, SND_SOC_CLOCK_OUT);
	47	}
	48
	49	static const struct snd_soc_dapm_widget odroidx2_dapm_widgets[] = {
	50	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	51	SND_SOC_DAPM_MIC("Mic Jack", NULL),
	52	SND_SOC_DAPM_MIC("DMIC", NULL),
	53	};
	54
	55	static const struct snd_soc_dapm_widget odroidu3_dapm_widgets[] = {
	56	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	57	SND_SOC_DAPM_SPK("Speakers", NULL),
	58	};
	59
	60	static struct snd_soc_dai_link odroidx2_dai[] = {
	61	{
	62	.name = "MAX98090",
	63	.stream_name = "MAX98090 PCM",
	64	.codec_dai_name = "HiFi",
	65	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \|
	66	SND_SOC_DAIFMT_CBM_CFM,
	67	}
	68	};
	69
	70	static struct snd_soc_card odroidx2 = {
	71	.owner = THIS_MODULE,
	72	.dai_link = odroidx2_dai,
	73	.num_links = ARRAY_SIZE(odroidx2_dai),
	74	.fully_routed = true,
	75	.late_probe = odroidx2_late_probe,
	76	};
	77
d80a12f9	78	static const struct odroidx2_drv_data odroidx2_drvdata = {
a40712a3 SN	79	.dapm_widgets = odroidx2_dapm_widgets,
	80	.num_dapm_widgets = ARRAY_SIZE(odroidx2_dapm_widgets),
	81	};
	82
d80a12f9	83	static const struct odroidx2_drv_data odroidu3_drvdata = {
a40712a3 SN	84	.dapm_widgets = odroidu3_dapm_widgets,
	85	.num_dapm_widgets = ARRAY_SIZE(odroidu3_dapm_widgets),
	86	};
	87
	88	static const struct of_device_id odroidx2_audio_of_match[] = {
	89	{
	90	.compatible = "samsung,odroidx2-audio",
	91	.data = &odroidx2_drvdata,
	92	}, {
	93	.compatible = "samsung,odroidu3-audio",
	94	.data = &odroidu3_drvdata,
	95	},
	96	{ },
	97	};
	98	MODULE_DEVICE_TABLE(of, odroidx2_audio_of_match);
	99
	100	static int odroidx2_audio_probe(struct platform_device *pdev)
	101	{
	102	struct device_node *snd_node = pdev->dev.of_node;
	103	struct snd_soc_card *card = &odroidx2;
	104	struct device_node i2s_node, codec_node;
	105	struct odroidx2_drv_data *dd;
	106	const struct of_device_id *of_id;
	107	int ret;
	108
	109	of_id = of_match_node(odroidx2_audio_of_match, snd_node);
	110	dd = (struct odroidx2_drv_data *)of_id->data;
	111
	112	card->num_dapm_widgets = dd->num_dapm_widgets;
	113	card->dapm_widgets = dd->dapm_widgets;
	114
	115	card->dev = &pdev->dev;
	116
	117	ret = snd_soc_of_parse_card_name(card, "samsung,model");
	118	if (ret < 0)
	119	return ret;
	120
	121	ret = snd_soc_of_parse_audio_routing(card, "samsung,audio-routing");
	122	if (ret < 0)
	123	return ret;
	124
	125	codec_node = of_parse_phandle(snd_node, "samsung,audio-codec", 0);
	126	if (!codec_node) {
	127	dev_err(&pdev->dev,
	128	"Failed parsing samsung,i2s-codec property\n");
	129	return -EINVAL;
	130	}
	131
	132	i2s_node = of_parse_phandle(snd_node, "samsung,i2s-controller", 0);
	133	if (!i2s_node) {
	134	dev_err(&pdev->dev,
	135	"Failed parsing samsung,i2s-controller property\n");
	136	ret = -EINVAL;
	137	goto err_put_codec_n;
	138	}
	139
	140	odroidx2_dai[0].codec_of_node = codec_node;
	141	odroidx2_dai[0].cpu_of_node = i2s_node;
	142	odroidx2_dai[0].platform_of_node = i2s_node;
	143
	144	ret = snd_soc_register_card(card);
	145	if (ret) {
	146	dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
	147	ret);
148	goto err_put_i2s_n;
149	}
150	return 0;
151
152	err_put_i2s_n:
153	of_node_put(i2s_node);
154	err_put_codec_n:
155	of_node_put(codec_node);
156	return ret;
157	}
158
159	static int odroidx2_audio_remove(struct platform_device *pdev)
160	{
161	struct snd_soc_card *card = platform_get_drvdata(pdev);
162
163	snd_soc_unregister_card(card);
164
0099c762 JFM	165	of_node_put(odroidx2_dai[0].cpu_of_node);
0099c762 JFM	166	of_node_put(odroidx2_dai[0].codec_of_node);
a40712a3 SN	167
	168	return 0;
	169	}
	170
	171	static struct platform_driver odroidx2_audio_driver = {
	172	.driver = {
	173	.name = "odroidx2-audio",
a40712a3 SN	174	.of_match_table = odroidx2_audio_of_match,
	175	.pm = &snd_soc_pm_ops,
	176	},
	177	.probe = odroidx2_audio_probe,
	178	.remove = odroidx2_audio_remove,
	179	};
	180	module_platform_driver(odroidx2_audio_driver);
	181
	182	MODULE_AUTHOR("Chen Zhen <zhen1.chen@samsung.com>");
	183	MODULE_AUTHOR("Sylwester Nawrocki <s.nawrocki@samsung.com>");
	184	MODULE_DESCRIPTION("ALSA SoC Odroid X2/U3 Audio Support");
	185	MODULE_LICENSE("GPL v2");