[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 int odroidx2_late_probe(struct snd_soc_card *card)
{
	struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
	struct snd_soc_dai *cpu_dai = card->rtd[0].cpu_dai;
	int ret;

	ret = snd_soc_dai_set_sysclk(codec_dai, 0, MAX98090_MCLK,
						SND_SOC_CLOCK_IN);
	if (ret < 0)
		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((struct device_node *)odroidx2_dai[0].cpu_of_node);
	of_node_put((struct device_node *)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
	24	static int odroidx2_late_probe(struct snd_soc_card *card)
	25	{
	26	struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
	27	struct snd_soc_dai *cpu_dai = card->rtd[0].cpu_dai;
	28	int ret;
	29
	30	ret = snd_soc_dai_set_sysclk(codec_dai, 0, MAX98090_MCLK,
	31	SND_SOC_CLOCK_IN);
	32	if (ret < 0)
	33	return ret;
	34
	35	/* Set the cpu DAI configuration in order to use CDCLK */
	36	return snd_soc_dai_set_sysclk(cpu_dai, SAMSUNG_I2S_CDCLK,
	37	0, SND_SOC_CLOCK_OUT);
	38	}
	39
	40	static const struct snd_soc_dapm_widget odroidx2_dapm_widgets[] = {
	41	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	42	SND_SOC_DAPM_MIC("Mic Jack", NULL),
	43	SND_SOC_DAPM_MIC("DMIC", NULL),
	44	};
	45
	46	static const struct snd_soc_dapm_widget odroidu3_dapm_widgets[] = {
	47	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	48	SND_SOC_DAPM_SPK("Speakers", NULL),
	49	};
	50
	51	static struct snd_soc_dai_link odroidx2_dai[] = {
	52	{
	53	.name = "MAX98090",
	54	.stream_name = "MAX98090 PCM",
	55	.codec_dai_name = "HiFi",
	56	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \|
	57	SND_SOC_DAIFMT_CBM_CFM,
	58	}
	59	};
	60
	61	static struct snd_soc_card odroidx2 = {
	62	.owner = THIS_MODULE,
	63	.dai_link = odroidx2_dai,
	64	.num_links = ARRAY_SIZE(odroidx2_dai),
65	.fully_routed = true,
66	.late_probe = odroidx2_late_probe,
67	};
68
d80a12f9	69	static const struct odroidx2_drv_data odroidx2_drvdata = {
a40712a3 SN	70	.dapm_widgets = odroidx2_dapm_widgets,
	71	.num_dapm_widgets = ARRAY_SIZE(odroidx2_dapm_widgets),
	72	};
	73
d80a12f9	74	static const struct odroidx2_drv_data odroidu3_drvdata = {
a40712a3 SN	75	.dapm_widgets = odroidu3_dapm_widgets,
	76	.num_dapm_widgets = ARRAY_SIZE(odroidu3_dapm_widgets),
	77	};
	78
	79	static const struct of_device_id odroidx2_audio_of_match[] = {
	80	{
	81	.compatible = "samsung,odroidx2-audio",
	82	.data = &odroidx2_drvdata,
	83	}, {
	84	.compatible = "samsung,odroidu3-audio",
	85	.data = &odroidu3_drvdata,
	86	},
	87	{ },
	88	};
	89	MODULE_DEVICE_TABLE(of, odroidx2_audio_of_match);
	90
	91	static int odroidx2_audio_probe(struct platform_device *pdev)
	92	{
	93	struct device_node *snd_node = pdev->dev.of_node;
	94	struct snd_soc_card *card = &odroidx2;
	95	struct device_node i2s_node, codec_node;
	96	struct odroidx2_drv_data *dd;
	97	const struct of_device_id *of_id;
	98	int ret;
	99
	100	of_id = of_match_node(odroidx2_audio_of_match, snd_node);
	101	dd = (struct odroidx2_drv_data *)of_id->data;
	102
	103	card->num_dapm_widgets = dd->num_dapm_widgets;
	104	card->dapm_widgets = dd->dapm_widgets;
	105
	106	card->dev = &pdev->dev;
	107
	108	ret = snd_soc_of_parse_card_name(card, "samsung,model");
	109	if (ret < 0)
	110	return ret;
	111
	112	ret = snd_soc_of_parse_audio_routing(card, "samsung,audio-routing");
	113	if (ret < 0)
	114	return ret;
	115
	116	codec_node = of_parse_phandle(snd_node, "samsung,audio-codec", 0);
	117	if (!codec_node) {
	118	dev_err(&pdev->dev,
	119	"Failed parsing samsung,i2s-codec property\n");
	120	return -EINVAL;
	121	}
	122
	123	i2s_node = of_parse_phandle(snd_node, "samsung,i2s-controller", 0);
	124	if (!i2s_node) {
	125	dev_err(&pdev->dev,
	126	"Failed parsing samsung,i2s-controller property\n");
	127	ret = -EINVAL;
	128	goto err_put_codec_n;
	129	}
	130
	131	odroidx2_dai[0].codec_of_node = codec_node;
	132	odroidx2_dai[0].cpu_of_node = i2s_node;
	133	odroidx2_dai[0].platform_of_node = i2s_node;
	134
	135	ret = snd_soc_register_card(card);
	136	if (ret) {
	137	dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
	138	ret);
139	goto err_put_i2s_n;
140	}
141	return 0;
142
143	err_put_i2s_n:
144	of_node_put(i2s_node);
145	err_put_codec_n:
146	of_node_put(codec_node);
147	return ret;
148	}
149
150	static int odroidx2_audio_remove(struct platform_device *pdev)
151	{
152	struct snd_soc_card *card = platform_get_drvdata(pdev);
153
154	snd_soc_unregister_card(card);
155
156	of_node_put((struct device_node *)odroidx2_dai[0].cpu_of_node);
157	of_node_put((struct device_node *)odroidx2_dai[0].codec_of_node);
158
159	return 0;
160	}
161
162	static struct platform_driver odroidx2_audio_driver = {
163	.driver = {
164	.name = "odroidx2-audio",
a40712a3 SN	165	.of_match_table = odroidx2_audio_of_match,
	166	.pm = &snd_soc_pm_ops,
	167	},
	168	.probe = odroidx2_audio_probe,
	169	.remove = odroidx2_audio_remove,
	170	};
	171	module_platform_driver(odroidx2_audio_driver);
	172
	173	MODULE_AUTHOR("Chen Zhen <zhen1.chen@samsung.com>");
	174	MODULE_AUTHOR("Sylwester Nawrocki <s.nawrocki@samsung.com>");
	175	MODULE_DESCRIPTION("ALSA SoC Odroid X2/U3 Audio Support");
	176	MODULE_LICENSE("GPL v2");