[deliverable/linux.git] / sound / soc / intel / boards / byt-max98090.c

/*
 * Intel Baytrail SST MAX98090 machine driver
 * Copyright (c) 2014, Intel Corporation.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 */

#include <linux/init.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/acpi.h>
#include <linux/device.h>
#include <linux/gpio.h>
#include <linux/gpio/consumer.h>
#include <linux/slab.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/jack.h>
#include "../../codecs/max98090.h"

struct byt_max98090_private {
	struct snd_soc_jack jack;
};

static const struct snd_soc_dapm_widget byt_max98090_widgets[] = {
	SND_SOC_DAPM_HP("Headphone", NULL),
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_MIC("Int Mic", NULL),
	SND_SOC_DAPM_SPK("Ext Spk", NULL),
};

static const struct snd_soc_dapm_route byt_max98090_audio_map[] = {
	{"IN34", NULL, "Headset Mic"},
	{"Headset Mic", NULL, "MICBIAS"},
	{"DMICL", NULL, "Int Mic"},
	{"Headphone", NULL, "HPL"},
	{"Headphone", NULL, "HPR"},
	{"Ext Spk", NULL, "SPKL"},
	{"Ext Spk", NULL, "SPKR"},
};

static const struct snd_kcontrol_new byt_max98090_controls[] = {
	SOC_DAPM_PIN_SWITCH("Headphone"),
	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	SOC_DAPM_PIN_SWITCH("Int Mic"),
	SOC_DAPM_PIN_SWITCH("Ext Spk"),
};

static struct snd_soc_jack_pin hs_jack_pins[] = {
	{
		.pin	= "Headphone",
		.mask	= SND_JACK_HEADPHONE,
	},
	{
		.pin	= "Headset Mic",
		.mask	= SND_JACK_MICROPHONE,
	},
};

static struct snd_soc_jack_gpio hs_jack_gpios[] = {
	{
		.name		= "hp-gpio",
		.idx		= 0,
		.report		= SND_JACK_HEADPHONE | SND_JACK_LINEOUT,
		.debounce_time	= 200,
	},
	{
		.name		= "mic-gpio",
		.idx		= 1,
		.invert		= 1,
		.report		= SND_JACK_MICROPHONE,
		.debounce_time	= 200,
	},
};

static int byt_max98090_init(struct snd_soc_pcm_runtime *runtime)
{
	int ret;
	struct snd_soc_card *card = runtime->card;
	struct byt_max98090_private *drv = snd_soc_card_get_drvdata(card);
	struct snd_soc_jack *jack = &drv->jack;

	card->dapm.idle_bias_off = true;

	ret = snd_soc_dai_set_sysclk(runtime->codec_dai,
				     M98090_REG_SYSTEM_CLOCK,
				     25000000, SND_SOC_CLOCK_IN);
	if (ret < 0) {
		dev_err(card->dev, "Can't set codec clock %d\n", ret);
		return ret;
	}

	/* Enable jack detection */
	ret = snd_soc_card_jack_new(runtime->card, "Headset",
				    SND_JACK_LINEOUT | SND_JACK_HEADSET, jack,
				    hs_jack_pins, ARRAY_SIZE(hs_jack_pins));
	if (ret)
		return ret;

	return snd_soc_jack_add_gpiods(card->dev->parent, jack,
				       ARRAY_SIZE(hs_jack_gpios),
				       hs_jack_gpios);
}

static struct snd_soc_dai_link byt_max98090_dais[] = {
	{
		.name = "Baytrail Audio",
		.stream_name = "Audio",
		.cpu_dai_name = "baytrail-pcm-audio",
		.codec_dai_name = "HiFi",
		.codec_name = "i2c-193C9890:00",
		.platform_name = "baytrail-pcm-audio",
		.init = byt_max98090_init,
		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
			   SND_SOC_DAIFMT_CBS_CFS,
	},
};

static struct snd_soc_card byt_max98090_card = {
	.name = "byt-max98090",
	.owner = THIS_MODULE,
	.dai_link = byt_max98090_dais,
	.num_links = ARRAY_SIZE(byt_max98090_dais),
	.dapm_widgets = byt_max98090_widgets,
	.num_dapm_widgets = ARRAY_SIZE(byt_max98090_widgets),
	.dapm_routes = byt_max98090_audio_map,
	.num_dapm_routes = ARRAY_SIZE(byt_max98090_audio_map),
	.controls = byt_max98090_controls,
	.num_controls = ARRAY_SIZE(byt_max98090_controls),
	.fully_routed = true,
};

static int byt_max98090_probe(struct platform_device *pdev)
{
	int ret_val = 0;
	struct byt_max98090_private *priv;

	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_ATOMIC);
	if (!priv) {
		dev_err(&pdev->dev, "allocation failed\n");
		return -ENOMEM;
	}

	byt_max98090_card.dev = &pdev->dev;
	snd_soc_card_set_drvdata(&byt_max98090_card, priv);
	ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_max98090_card);
	if (ret_val) {
		dev_err(&pdev->dev,
			"snd_soc_register_card failed %d\n", ret_val);
		return ret_val;
	}

	return ret_val;
}

static int byt_max98090_remove(struct platform_device *pdev)
{
	struct snd_soc_card *card = platform_get_drvdata(pdev);
	struct byt_max98090_private *priv = snd_soc_card_get_drvdata(card);

	snd_soc_jack_free_gpios(&priv->jack, ARRAY_SIZE(hs_jack_gpios),
				hs_jack_gpios);

	return 0;
}

static struct platform_driver byt_max98090_driver = {
	.probe = byt_max98090_probe,
	.remove = byt_max98090_remove,
	.driver = {
		.name = "byt-max98090",
		.pm = &snd_soc_pm_ops,
	},
};
module_platform_driver(byt_max98090_driver)

MODULE_DESCRIPTION("ASoC Intel(R) Baytrail Machine driver");
MODULE_AUTHOR("Omair Md Abdullah, Jarkko Nikula");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:byt-max98090");
Commit	Line	Data
9b351d46 JN	1	/*
	2	* Intel Baytrail SST MAX98090 machine driver
	3	* Copyright (c) 2014, Intel Corporation.
	4	*
	5	* This program is free software; you can redistribute it and/or modify it
	6	* under the terms and conditions of the GNU General Public License,
	7	* version 2, as published by the Free Software Foundation.
	8	*
	9	* This program is distributed in the hope it will be useful, but WITHOUT
	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	12	* more details.
	13	*/
	14
	15	#include <linux/init.h>
	16	#include <linux/module.h>
	17	#include <linux/platform_device.h>
	18	#include <linux/acpi.h>
	19	#include <linux/device.h>
	20	#include <linux/gpio.h>
	21	#include <linux/gpio/consumer.h>
	22	#include <linux/slab.h>
	23	#include <sound/pcm.h>
	24	#include <sound/pcm_params.h>
	25	#include <sound/soc.h>
	26	#include <sound/jack.h>
e56c72d5	27	#include "../../codecs/max98090.h"
9b351d46 JN	28
	29	struct byt_max98090_private {
	30	struct snd_soc_jack jack;
	31	};
	32
	33	static const struct snd_soc_dapm_widget byt_max98090_widgets[] = {
	34	SND_SOC_DAPM_HP("Headphone", NULL),
	35	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	36	SND_SOC_DAPM_MIC("Int Mic", NULL),
	37	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	38	};
	39
	40	static const struct snd_soc_dapm_route byt_max98090_audio_map[] = {
	41	{"IN34", NULL, "Headset Mic"},
a5b37bf3	42	{"Headset Mic", NULL, "MICBIAS"},
9b351d46 JN	43	{"DMICL", NULL, "Int Mic"},
	44	{"Headphone", NULL, "HPL"},
	45	{"Headphone", NULL, "HPR"},
	46	{"Ext Spk", NULL, "SPKL"},
	47	{"Ext Spk", NULL, "SPKR"},
	48	};
	49
	50	static const struct snd_kcontrol_new byt_max98090_controls[] = {
	51	SOC_DAPM_PIN_SWITCH("Headphone"),
	52	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	53	SOC_DAPM_PIN_SWITCH("Int Mic"),
	54	SOC_DAPM_PIN_SWITCH("Ext Spk"),
	55	};
	56
	57	static struct snd_soc_jack_pin hs_jack_pins[] = {
	58	{
	59	.pin = "Headphone",
	60	.mask = SND_JACK_HEADPHONE,
	61	},
	62	{
	63	.pin = "Headset Mic",
	64	.mask = SND_JACK_MICROPHONE,
	65	},
9b351d46 JN	66	};
	67
	68	static struct snd_soc_jack_gpio hs_jack_gpios[] = {
	69	{
	70	.name = "hp-gpio",
	71	.idx = 0,
	72	.report = SND_JACK_HEADPHONE \| SND_JACK_LINEOUT,
	73	.debounce_time = 200,
	74	},
	75	{
	76	.name = "mic-gpio",
	77	.idx = 1,
725a6dfd	78	.invert = 1,
6a0cdcca	79	.report = SND_JACK_MICROPHONE,
9b351d46 JN	80	.debounce_time = 200,
	81	},
	82	};
	83
	84	static int byt_max98090_init(struct snd_soc_pcm_runtime *runtime)
	85	{
	86	int ret;
9b351d46 JN	87	struct snd_soc_card *card = runtime->card;
	88	struct byt_max98090_private *drv = snd_soc_card_get_drvdata(card);
	89	struct snd_soc_jack *jack = &drv->jack;
	90
	91	card->dapm.idle_bias_off = true;
	92
	93	ret = snd_soc_dai_set_sysclk(runtime->codec_dai,
	94	M98090_REG_SYSTEM_CLOCK,
	95	25000000, SND_SOC_CLOCK_IN);
	96	if (ret < 0) {
	97	dev_err(card->dev, "Can't set codec clock %d\n", ret);
	98	return ret;
	99	}
	100
	101	/* Enable jack detection */
e0f7dd9d LPC	102	ret = snd_soc_card_jack_new(runtime->card, "Headset",
	103	SND_JACK_LINEOUT \| SND_JACK_HEADSET, jack,
	104	hs_jack_pins, ARRAY_SIZE(hs_jack_pins));
9b351d46 JN	105	if (ret)
	106	return ret;
	107
ab6f7d0d JN	108	return snd_soc_jack_add_gpiods(card->dev->parent, jack,
	109	ARRAY_SIZE(hs_jack_gpios),
	110	hs_jack_gpios);
9b351d46 JN	111	}
	112
	113	static struct snd_soc_dai_link byt_max98090_dais[] = {
	114	{
	115	.name = "Baytrail Audio",
	116	.stream_name = "Audio",
	117	.cpu_dai_name = "baytrail-pcm-audio",
	118	.codec_dai_name = "HiFi",
	119	.codec_name = "i2c-193C9890:00",
	120	.platform_name = "baytrail-pcm-audio",
	121	.init = byt_max98090_init,
	122	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \|
	123	SND_SOC_DAIFMT_CBS_CFS,
	124	},
	125	};
	126
	127	static struct snd_soc_card byt_max98090_card = {
	128	.name = "byt-max98090",
54d8697f	129	.owner = THIS_MODULE,
9b351d46 JN	130	.dai_link = byt_max98090_dais,
	131	.num_links = ARRAY_SIZE(byt_max98090_dais),
	132	.dapm_widgets = byt_max98090_widgets,
	133	.num_dapm_widgets = ARRAY_SIZE(byt_max98090_widgets),
	134	.dapm_routes = byt_max98090_audio_map,
	135	.num_dapm_routes = ARRAY_SIZE(byt_max98090_audio_map),
	136	.controls = byt_max98090_controls,
	137	.num_controls = ARRAY_SIZE(byt_max98090_controls),
969168e2	138	.fully_routed = true,
9b351d46 JN	139	};
	140
	141	static int byt_max98090_probe(struct platform_device *pdev)
	142	{
	143	int ret_val = 0;
	144	struct byt_max98090_private *priv;
	145
	146	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_ATOMIC);
	147	if (!priv) {
	148	dev_err(&pdev->dev, "allocation failed\n");
	149	return -ENOMEM;
	150	}
	151
	152	byt_max98090_card.dev = &pdev->dev;
	153	snd_soc_card_set_drvdata(&byt_max98090_card, priv);
	154	ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_max98090_card);
	155	if (ret_val) {
	156	dev_err(&pdev->dev,
	157	"snd_soc_register_card failed %d\n", ret_val);
	158	return ret_val;
	159	}
	160
	161	return ret_val;
	162	}
	163
	164	static int byt_max98090_remove(struct platform_device *pdev)
	165	{
	166	struct snd_soc_card *card = platform_get_drvdata(pdev);
	167	struct byt_max98090_private *priv = snd_soc_card_get_drvdata(card);
	168
	169	snd_soc_jack_free_gpios(&priv->jack, ARRAY_SIZE(hs_jack_gpios),
	170	hs_jack_gpios);
	171
	172	return 0;
	173	}
	174
	175	static struct platform_driver byt_max98090_driver = {
	176	.probe = byt_max98090_probe,
	177	.remove = byt_max98090_remove,
	178	.driver = {
	179	.name = "byt-max98090",
9b351d46 JN	180	.pm = &snd_soc_pm_ops,
	181	},
	182	};
	183	module_platform_driver(byt_max98090_driver)
	184
	185	MODULE_DESCRIPTION("ASoC Intel(R) Baytrail Machine driver");
	186	MODULE_AUTHOR("Omair Md Abdullah, Jarkko Nikula");
	187	MODULE_LICENSE("GPL v2");
	188	MODULE_ALIAS("platform:byt-max98090");