[deliverable/linux.git] / sound / soc / intel / 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,
	},
	{
		.pin	= "Ext Spk",
		.mask	= SND_JACK_LINEOUT,
	},
	{
		.pin	= "Int Mic",
		.mask	= SND_JACK_LINEIN,
	},
};

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_codec *codec = runtime->codec;
	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_jack_new(codec, "Headset",
			       SND_JACK_LINEOUT | SND_JACK_HEADSET, jack);
	if (ret)
		return ret;

	ret = snd_soc_jack_add_pins(jack, ARRAY_SIZE(hs_jack_pins),
				    hs_jack_pins);
	if (ret)
		return ret;

	ret = snd_soc_jack_add_gpiods(card->dev->parent, jack,
				      ARRAY_SIZE(hs_jack_gpios),
				      hs_jack_gpios);
	if (ret)
		return ret;

	return max98090_mic_detect(codec, jack);
}

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",
	.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),
};

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",
		.owner = THIS_MODULE,
		.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>
	27	#include "../codecs/max98090.h"
	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	},
	66	{
	67	.pin = "Ext Spk",
	68	.mask = SND_JACK_LINEOUT,
	69	},
	70	{
	71	.pin = "Int Mic",
	72	.mask = SND_JACK_LINEIN,
	73	},
	74	};
	75
	76	static struct snd_soc_jack_gpio hs_jack_gpios[] = {
	77	{
	78	.name = "hp-gpio",
	79	.idx = 0,
	80	.report = SND_JACK_HEADPHONE \| SND_JACK_LINEOUT,
	81	.debounce_time = 200,
	82	},
	83	{
	84	.name = "mic-gpio",
	85	.idx = 1,
725a6dfd	86	.invert = 1,
6a0cdcca	87	.report = SND_JACK_MICROPHONE,
9b351d46 JN	88	.debounce_time = 200,
	89	},
	90	};
	91
	92	static int byt_max98090_init(struct snd_soc_pcm_runtime *runtime)
	93	{
	94	int ret;
	95	struct snd_soc_codec *codec = runtime->codec;
	96	struct snd_soc_card *card = runtime->card;
	97	struct byt_max98090_private *drv = snd_soc_card_get_drvdata(card);
	98	struct snd_soc_jack *jack = &drv->jack;
	99
	100	card->dapm.idle_bias_off = true;
	101
	102	ret = snd_soc_dai_set_sysclk(runtime->codec_dai,
	103	M98090_REG_SYSTEM_CLOCK,
	104	25000000, SND_SOC_CLOCK_IN);
	105	if (ret < 0) {
	106	dev_err(card->dev, "Can't set codec clock %d\n", ret);
	107	return ret;
	108	}
	109
	110	/* Enable jack detection */
24988992 JN	111	ret = snd_soc_jack_new(codec, "Headset",
24988992 JN	112	SND_JACK_LINEOUT \| SND_JACK_HEADSET, jack);
9b351d46 JN	113	if (ret)
	114	return ret;
	115
	116	ret = snd_soc_jack_add_pins(jack, ARRAY_SIZE(hs_jack_pins),
	117	hs_jack_pins);
	118	if (ret)
	119	return ret;
	120
	121	ret = snd_soc_jack_add_gpiods(card->dev->parent, jack,
	122	ARRAY_SIZE(hs_jack_gpios),
	123	hs_jack_gpios);
	124	if (ret)
	125	return ret;
	126
	127	return max98090_mic_detect(codec, jack);
	128	}
	129
	130	static struct snd_soc_dai_link byt_max98090_dais[] = {
	131	{
	132	.name = "Baytrail Audio",
	133	.stream_name = "Audio",
	134	.cpu_dai_name = "baytrail-pcm-audio",
	135	.codec_dai_name = "HiFi",
	136	.codec_name = "i2c-193C9890:00",
	137	.platform_name = "baytrail-pcm-audio",
	138	.init = byt_max98090_init,
	139	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \|
	140	SND_SOC_DAIFMT_CBS_CFS,
	141	},
	142	};
	143
	144	static struct snd_soc_card byt_max98090_card = {
	145	.name = "byt-max98090",
	146	.dai_link = byt_max98090_dais,
	147	.num_links = ARRAY_SIZE(byt_max98090_dais),
	148	.dapm_widgets = byt_max98090_widgets,
	149	.num_dapm_widgets = ARRAY_SIZE(byt_max98090_widgets),
	150	.dapm_routes = byt_max98090_audio_map,
	151	.num_dapm_routes = ARRAY_SIZE(byt_max98090_audio_map),
	152	.controls = byt_max98090_controls,
	153	.num_controls = ARRAY_SIZE(byt_max98090_controls),
	154	};
	155
	156	static int byt_max98090_probe(struct platform_device *pdev)
	157	{
	158	int ret_val = 0;
	159	struct byt_max98090_private *priv;
	160
	161	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_ATOMIC);
	162	if (!priv) {
	163	dev_err(&pdev->dev, "allocation failed\n");
	164	return -ENOMEM;
	165	}
	166
	167	byt_max98090_card.dev = &pdev->dev;
	168	snd_soc_card_set_drvdata(&byt_max98090_card, priv);
	169	ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_max98090_card);
	170	if (ret_val) {
	171	dev_err(&pdev->dev,
	172	"snd_soc_register_card failed %d\n", ret_val);
	173	return ret_val;
	174	}
	175
	176	return ret_val;
177	}
178
179	static int byt_max98090_remove(struct platform_device *pdev)
180	{
181	struct snd_soc_card *card = platform_get_drvdata(pdev);
182	struct byt_max98090_private *priv = snd_soc_card_get_drvdata(card);
183
184	snd_soc_jack_free_gpios(&priv->jack, ARRAY_SIZE(hs_jack_gpios),
185	hs_jack_gpios);
186
187	return 0;
188	}
189
190	static struct platform_driver byt_max98090_driver = {
191	.probe = byt_max98090_probe,
192	.remove = byt_max98090_remove,
193	.driver = {
194	.name = "byt-max98090",
195	.owner = THIS_MODULE,
196	.pm = &snd_soc_pm_ops,
197	},
198	};
199	module_platform_driver(byt_max98090_driver)
200
201	MODULE_DESCRIPTION("ASoC Intel(R) Baytrail Machine driver");
202	MODULE_AUTHOR("Omair Md Abdullah, Jarkko Nikula");
203	MODULE_LICENSE("GPL v2");
204	MODULE_ALIAS("platform:byt-max98090");