[mirror_ubuntu-bionic-kernel.git] / sound / soc / tegra / tegra_alc5632.c

/*
 * tegra_alc5632.c  --  Toshiba AC100(PAZ00) machine ASoC driver
 *
 * Copyright (C) 2011 The AC100 Kernel Team <ac100@lists.lauchpad.net>
 * Copyright (C) 2012 - NVIDIA, Inc.
 *
 * Authors:  Leon Romanovsky <leon@leon.nu>
 *           Andrey Danin <danindrey@mail.ru>
 *           Marc Dietrich <marvin24@gmx.de>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <asm/mach-types.h>

#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/gpio.h>
#include <linux/of_gpio.h>

#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>

#include "../codecs/alc5632.h"

#include "tegra_asoc_utils.h"

#define DRV_NAME "tegra-alc5632"

#define GPIO_HP_DET     BIT(0)

struct tegra_alc5632 {
	struct tegra_asoc_utils_data util_data;
	int gpio_requested;
	int gpio_hp_det;
};

static int tegra_alc5632_asoc_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;
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_card *card = codec->card;
	struct tegra_alc5632 *alc5632 = snd_soc_card_get_drvdata(card);
	int srate, mclk;
	int err;

	srate = params_rate(params);
	mclk = 512 * srate;

	err = tegra_asoc_utils_set_rate(&alc5632->util_data, srate, mclk);
	if (err < 0) {
		dev_err(card->dev, "Can't configure clocks\n");
		return err;
	}

	err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
					SND_SOC_CLOCK_IN);
	if (err < 0) {
		dev_err(card->dev, "codec_dai clock not set\n");
		return err;
	}

	return 0;
}

static struct snd_soc_ops tegra_alc5632_asoc_ops = {
	.hw_params = tegra_alc5632_asoc_hw_params,
};

static struct snd_soc_jack tegra_alc5632_hs_jack;

static struct snd_soc_jack_pin tegra_alc5632_hs_jack_pins[] = {
	{
		.pin = "Headset Mic",
		.mask = SND_JACK_MICROPHONE,
	},
	{
		.pin = "Headset Stereophone",
		.mask = SND_JACK_HEADPHONE,
	},
};

static struct snd_soc_jack_gpio tegra_alc5632_hp_jack_gpio = {
	.name = "Headset detection",
	.report = SND_JACK_HEADSET,
	.debounce_time = 150,
	.invert = 1,
};

static const struct snd_soc_dapm_widget tegra_alc5632_dapm_widgets[] = {
	SND_SOC_DAPM_SPK("Int Spk", NULL),
	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_MIC("Digital Mic", NULL),
};

static const struct snd_kcontrol_new tegra_alc5632_controls[] = {
	SOC_DAPM_PIN_SWITCH("Int Spk"),
};

static int tegra_alc5632_asoc_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_dapm_context *dapm = &codec->dapm;
	struct device_node *np = codec->card->dev->of_node;
	struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(codec->card);

	snd_soc_jack_new(codec, "Headset Jack", SND_JACK_HEADSET,
			 &tegra_alc5632_hs_jack);
	snd_soc_jack_add_pins(&tegra_alc5632_hs_jack,
			ARRAY_SIZE(tegra_alc5632_hs_jack_pins),
			tegra_alc5632_hs_jack_pins);

	machine->gpio_hp_det = of_get_named_gpio(np, "nvidia,hp-det-gpios", 0);

	if (gpio_is_valid(machine->gpio_hp_det)) {
		tegra_alc5632_hp_jack_gpio.gpio = machine->gpio_hp_det;
		snd_soc_jack_add_gpios(&tegra_alc5632_hs_jack,
						1,
						&tegra_alc5632_hp_jack_gpio);
		machine->gpio_requested |= GPIO_HP_DET;
	}

	snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1");

	return 0;
}

static struct snd_soc_dai_link tegra_alc5632_dai = {
	.name = "ALC5632",
	.stream_name = "ALC5632 PCM",
	.codec_dai_name = "alc5632-hifi",
	.init = tegra_alc5632_asoc_init,
	.ops = &tegra_alc5632_asoc_ops,
	.dai_fmt = SND_SOC_DAIFMT_I2S
			   | SND_SOC_DAIFMT_NB_NF
			   | SND_SOC_DAIFMT_CBS_CFS,
};

static struct snd_soc_card snd_soc_tegra_alc5632 = {
	.name = "tegra-alc5632",
	.owner = THIS_MODULE,
	.dai_link = &tegra_alc5632_dai,
	.num_links = 1,
	.controls = tegra_alc5632_controls,
	.num_controls = ARRAY_SIZE(tegra_alc5632_controls),
	.dapm_widgets = tegra_alc5632_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(tegra_alc5632_dapm_widgets),
	.fully_routed = true,
};

static __devinit int tegra_alc5632_probe(struct platform_device *pdev)
{
	struct snd_soc_card *card = &snd_soc_tegra_alc5632;
	struct tegra_alc5632 *alc5632;
	int ret;

	alc5632 = devm_kzalloc(&pdev->dev,
			sizeof(struct tegra_alc5632), GFP_KERNEL);
	if (!alc5632) {
		dev_err(&pdev->dev, "Can't allocate tegra_alc5632\n");
		ret = -ENOMEM;
		goto err;
	}

	card->dev = &pdev->dev;
	platform_set_drvdata(pdev, card);
	snd_soc_card_set_drvdata(card, alc5632);

	if (!(pdev->dev.of_node)) {
		dev_err(&pdev->dev, "Must be instantiated using device tree\n");
		ret = -EINVAL;
		goto err;
	}

	ret = snd_soc_of_parse_card_name(card, "nvidia,model");
	if (ret)
		goto err;

	ret = snd_soc_of_parse_audio_routing(card, "nvidia,audio-routing");
	if (ret)
		goto err;

	tegra_alc5632_dai.codec_of_node = of_parse_phandle(
			pdev->dev.of_node, "nvidia,audio-codec", 0);

	if (!tegra_alc5632_dai.codec_of_node) {
		dev_err(&pdev->dev,
			"Property 'nvidia,audio-codec' missing or invalid\n");
		ret = -EINVAL;
		goto err;
	}

	tegra_alc5632_dai.cpu_dai_of_node = of_parse_phandle(
			pdev->dev.of_node, "nvidia,i2s-controller", 0);
	if (!tegra_alc5632_dai.cpu_dai_of_node) {
		dev_err(&pdev->dev,
		"Property 'nvidia,i2s-controller' missing or invalid\n");
		ret = -EINVAL;
		goto err;
	}

	tegra_alc5632_dai.platform_of_node = tegra_alc5632_dai.cpu_dai_of_node;

	ret = tegra_asoc_utils_init(&alc5632->util_data, &pdev->dev);
	if (ret)
		goto err;

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

	return 0;

err_fini_utils:
	tegra_asoc_utils_fini(&alc5632->util_data);
err:
	return ret;
}

static int __devexit tegra_alc5632_remove(struct platform_device *pdev)
{
	struct snd_soc_card *card = platform_get_drvdata(pdev);
	struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(card);

	if (machine->gpio_requested & GPIO_HP_DET)
		snd_soc_jack_free_gpios(&tegra_alc5632_hs_jack,
					1,
					&tegra_alc5632_hp_jack_gpio);
	machine->gpio_requested = 0;

	snd_soc_unregister_card(card);

	tegra_asoc_utils_fini(&machine->util_data);

	return 0;
}

static const struct of_device_id tegra_alc5632_of_match[] __devinitconst = {
	{ .compatible = "nvidia,tegra-audio-alc5632", },
	{},
};

static struct platform_driver tegra_alc5632_driver = {
	.driver = {
		.name = DRV_NAME,
		.owner = THIS_MODULE,
		.pm = &snd_soc_pm_ops,
		.of_match_table = tegra_alc5632_of_match,
	},
	.probe = tegra_alc5632_probe,
	.remove = __devexit_p(tegra_alc5632_remove),
};
module_platform_driver(tegra_alc5632_driver);

MODULE_AUTHOR("Leon Romanovsky <leon@leon.nu>");
MODULE_DESCRIPTION("Tegra+ALC5632 machine ASoC driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:" DRV_NAME);
MODULE_DEVICE_TABLE(of, tegra_alc5632_of_match);
Commit	Line	Data
58783faf	1	/*
1ae93b9d SW	2	* tegra_alc5632.c -- Toshiba AC100(PAZ00) machine ASoC driver
	3	*
	4	* Copyright (C) 2011 The AC100 Kernel Team <ac100@lists.lauchpad.net>
518de86b	5	* Copyright (C) 2012 - NVIDIA, Inc.
1ae93b9d SW	6	*
	7	* Authors: Leon Romanovsky <leon@leon.nu>
	8	* Andrey Danin <danindrey@mail.ru>
	9	* Marc Dietrich <marvin24@gmx.de>
	10	*
	11	* This program is free software; you can redistribute it and/or modify
	12	* it under the terms of the GNU General Public License version 2 as
	13	* published by the Free Software Foundation.
	14	*/
58783faf LR	15
	16	#include <asm/mach-types.h>
	17
	18	#include <linux/module.h>
	19	#include <linux/platform_device.h>
	20	#include <linux/slab.h>
	21	#include <linux/gpio.h>
d559f1e5	22	#include <linux/of_gpio.h>
58783faf LR	23
	24	#include <sound/core.h>
	25	#include <sound/jack.h>
	26	#include <sound/pcm.h>
	27	#include <sound/pcm_params.h>
	28	#include <sound/soc.h>
	29
	30	#include "../codecs/alc5632.h"
	31
58783faf LR	32	#include "tegra_asoc_utils.h"
	33
	34	#define DRV_NAME "tegra-alc5632"
	35
d559f1e5 LR	36	#define GPIO_HP_DET BIT(0)
d559f1e5 LR	37
58783faf LR	38	struct tegra_alc5632 {
58783faf LR	39	struct tegra_asoc_utils_data util_data;
d559f1e5 LR	40	int gpio_requested;
d559f1e5 LR	41	int gpio_hp_det;
58783faf LR	42	};
	43
	44	static int tegra_alc5632_asoc_hw_params(struct snd_pcm_substream *substream,
	45	struct snd_pcm_hw_params *params)
	46	{
	47	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	48	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	49	struct snd_soc_codec *codec = rtd->codec;
	50	struct snd_soc_card *card = codec->card;
	51	struct tegra_alc5632 *alc5632 = snd_soc_card_get_drvdata(card);
	52	int srate, mclk;
	53	int err;
	54
	55	srate = params_rate(params);
	56	mclk = 512 * srate;
	57
	58	err = tegra_asoc_utils_set_rate(&alc5632->util_data, srate, mclk);
	59	if (err < 0) {
	60	dev_err(card->dev, "Can't configure clocks\n");
	61	return err;
	62	}
	63
	64	err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
	65	SND_SOC_CLOCK_IN);
	66	if (err < 0) {
	67	dev_err(card->dev, "codec_dai clock not set\n");
	68	return err;
	69	}
	70
	71	return 0;
	72	}
	73
	74	static struct snd_soc_ops tegra_alc5632_asoc_ops = {
	75	.hw_params = tegra_alc5632_asoc_hw_params,
	76	};
	77
	78	static struct snd_soc_jack tegra_alc5632_hs_jack;
	79
	80	static struct snd_soc_jack_pin tegra_alc5632_hs_jack_pins[] = {
	81	{
	82	.pin = "Headset Mic",
	83	.mask = SND_JACK_MICROPHONE,
	84	},
	85	{
	86	.pin = "Headset Stereophone",
	87	.mask = SND_JACK_HEADPHONE,
	88	},
	89	};
	90
d559f1e5 LR	91	static struct snd_soc_jack_gpio tegra_alc5632_hp_jack_gpio = {
	92	.name = "Headset detection",
	93	.report = SND_JACK_HEADSET,
	94	.debounce_time = 150,
	95	.invert = 1,
	96	};
	97
58783faf LR	98	static const struct snd_soc_dapm_widget tegra_alc5632_dapm_widgets[] = {
	99	SND_SOC_DAPM_SPK("Int Spk", NULL),
	100	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
	101	SND_SOC_DAPM_MIC("Headset Mic", NULL),
dd7d3a24	102	SND_SOC_DAPM_MIC("Digital Mic", NULL),
58783faf LR	103	};
58783faf LR	104
58783faf LR	105	static const struct snd_kcontrol_new tegra_alc5632_controls[] = {
	106	SOC_DAPM_PIN_SWITCH("Int Spk"),
	107	};
	108
	109	static int tegra_alc5632_asoc_init(struct snd_soc_pcm_runtime *rtd)
	110	{
	111	struct snd_soc_codec *codec = rtd->codec;
	112	struct snd_soc_dapm_context *dapm = &codec->dapm;
d559f1e5 LR	113	struct device_node *np = codec->card->dev->of_node;
d559f1e5 LR	114	struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(codec->card);
58783faf LR	115
	116	snd_soc_jack_new(codec, "Headset Jack", SND_JACK_HEADSET,
	117	&tegra_alc5632_hs_jack);
	118	snd_soc_jack_add_pins(&tegra_alc5632_hs_jack,
	119	ARRAY_SIZE(tegra_alc5632_hs_jack_pins),
	120	tegra_alc5632_hs_jack_pins);
	121
d559f1e5 LR	122	machine->gpio_hp_det = of_get_named_gpio(np, "nvidia,hp-det-gpios", 0);
	123
	124	if (gpio_is_valid(machine->gpio_hp_det)) {
	125	tegra_alc5632_hp_jack_gpio.gpio = machine->gpio_hp_det;
	126	snd_soc_jack_add_gpios(&tegra_alc5632_hs_jack,
	127	1,
	128	&tegra_alc5632_hp_jack_gpio);
	129	machine->gpio_requested \|= GPIO_HP_DET;
	130	}
	131
58783faf LR	132	snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1");
	133
	134	return 0;
	135	}
	136
	137	static struct snd_soc_dai_link tegra_alc5632_dai = {
	138	.name = "ALC5632",
	139	.stream_name = "ALC5632 PCM",
58783faf LR	140	.codec_dai_name = "alc5632-hifi",
	141	.init = tegra_alc5632_asoc_init,
	142	.ops = &tegra_alc5632_asoc_ops,
	143	.dai_fmt = SND_SOC_DAIFMT_I2S
	144	\| SND_SOC_DAIFMT_NB_NF
	145	\| SND_SOC_DAIFMT_CBS_CFS,
	146	};
	147
	148	static struct snd_soc_card snd_soc_tegra_alc5632 = {
	149	.name = "tegra-alc5632",
b16eaf9f	150	.owner = THIS_MODULE,
58783faf LR	151	.dai_link = &tegra_alc5632_dai,
	152	.num_links = 1,
	153	.controls = tegra_alc5632_controls,
	154	.num_controls = ARRAY_SIZE(tegra_alc5632_controls),
	155	.dapm_widgets = tegra_alc5632_dapm_widgets,
	156	.num_dapm_widgets = ARRAY_SIZE(tegra_alc5632_dapm_widgets),
58783faf LR	157	.fully_routed = true,
	158	};
	159
	160	static __devinit int tegra_alc5632_probe(struct platform_device *pdev)
	161	{
	162	struct snd_soc_card *card = &snd_soc_tegra_alc5632;
	163	struct tegra_alc5632 *alc5632;
	164	int ret;
	165
	166	alc5632 = devm_kzalloc(&pdev->dev,
	167	sizeof(struct tegra_alc5632), GFP_KERNEL);
	168	if (!alc5632) {
	169	dev_err(&pdev->dev, "Can't allocate tegra_alc5632\n");
b4dc0a75 LR	170	ret = -ENOMEM;
b4dc0a75 LR	171	goto err;
58783faf LR	172	}
58783faf LR	173
58783faf LR	174	card->dev = &pdev->dev;
	175	platform_set_drvdata(pdev, card);
	176	snd_soc_card_set_drvdata(card, alc5632);
	177
b4dc0a75 LR	178	if (!(pdev->dev.of_node)) {
	179	dev_err(&pdev->dev, "Must be instantiated using device tree\n");
	180	ret = -EINVAL;
	181	goto err;
	182	}
	183
	184	ret = snd_soc_of_parse_card_name(card, "nvidia,model");
	185	if (ret)
	186	goto err;
	187
	188	ret = snd_soc_of_parse_audio_routing(card, "nvidia,audio-routing");
	189	if (ret)
	190	goto err;
	191
	192	tegra_alc5632_dai.codec_of_node = of_parse_phandle(
	193	pdev->dev.of_node, "nvidia,audio-codec", 0);
	194
	195	if (!tegra_alc5632_dai.codec_of_node) {
	196	dev_err(&pdev->dev,
	197	"Property 'nvidia,audio-codec' missing or invalid\n");
	198	ret = -EINVAL;
	199	goto err;
	200	}
	201
	202	tegra_alc5632_dai.cpu_dai_of_node = of_parse_phandle(
	203	pdev->dev.of_node, "nvidia,i2s-controller", 0);
	204	if (!tegra_alc5632_dai.cpu_dai_of_node) {
	205	dev_err(&pdev->dev,
	206	"Property 'nvidia,i2s-controller' missing or invalid\n");
	207	ret = -EINVAL;
	208	goto err;
	209	}
	210
518de86b	211	tegra_alc5632_dai.platform_of_node = tegra_alc5632_dai.cpu_dai_of_node;
b4dc0a75 LR	212
	213	ret = tegra_asoc_utils_init(&alc5632->util_data, &pdev->dev);
	214	if (ret)
518de86b	215	goto err;
b4dc0a75	216
58783faf LR	217	ret = snd_soc_register_card(card);
	218	if (ret) {
	219	dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
	220	ret);
b4dc0a75	221	goto err_fini_utils;
58783faf LR	222	}
	223
	224	return 0;
b4dc0a75 LR	225
	226	err_fini_utils:
	227	tegra_asoc_utils_fini(&alc5632->util_data);
b4dc0a75 LR	228	err:
b4dc0a75 LR	229	return ret;
58783faf LR	230	}
	231
	232	static int __devexit tegra_alc5632_remove(struct platform_device *pdev)
	233	{
	234	struct snd_soc_card *card = platform_get_drvdata(pdev);
d559f1e5 LR	235	struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(card);
	236
	237	if (machine->gpio_requested & GPIO_HP_DET)
	238	snd_soc_jack_free_gpios(&tegra_alc5632_hs_jack,
	239	1,
	240	&tegra_alc5632_hp_jack_gpio);
	241	machine->gpio_requested = 0;
58783faf LR	242
	243	snd_soc_unregister_card(card);
	244
d559f1e5	245	tegra_asoc_utils_fini(&machine->util_data);
58783faf LR	246
	247	return 0;
	248	}
	249
b4dc0a75 LR	250	static const struct of_device_id tegra_alc5632_of_match[] __devinitconst = {
	251	{ .compatible = "nvidia,tegra-audio-alc5632", },
	252	{},
	253	};
	254
58783faf LR	255	static struct platform_driver tegra_alc5632_driver = {
	256	.driver = {
	257	.name = DRV_NAME,
	258	.owner = THIS_MODULE,
	259	.pm = &snd_soc_pm_ops,
b4dc0a75	260	.of_match_table = tegra_alc5632_of_match,
58783faf LR	261	},
	262	.probe = tegra_alc5632_probe,
	263	.remove = __devexit_p(tegra_alc5632_remove),
	264	};
	265	module_platform_driver(tegra_alc5632_driver);
	266
	267	MODULE_AUTHOR("Leon Romanovsky <leon@leon.nu>");
	268	MODULE_DESCRIPTION("Tegra+ALC5632 machine ASoC driver");
	269	MODULE_LICENSE("GPL");
	270	MODULE_ALIAS("platform:" DRV_NAME);
b4dc0a75	271	MODULE_DEVICE_TABLE(of, tegra_alc5632_of_match);