[linux-2.6-block.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 <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"

struct tegra_alc5632 {
	struct tegra_asoc_utils_data util_data;
	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_card *card = rtd->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,
};

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_dai *codec_dai = rtd->codec_dai;
	struct snd_soc_codec *codec = codec_dai->codec;
	struct snd_soc_dapm_context *dapm = &codec->dapm;
	struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(rtd->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);

	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);
	}

	snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1");

	return 0;
}

static int tegra_alc5632_card_remove(struct snd_soc_card *card)
{
	struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(card);

	if (gpio_is_valid(machine->gpio_hp_det)) {
		snd_soc_jack_free_gpios(&tegra_alc5632_hs_jack, 1,
					&tegra_alc5632_hp_jack_gpio);
	}

	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,
	.remove = tegra_alc5632_card_remove,
	.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 int tegra_alc5632_probe(struct platform_device *pdev)
{
	struct device_node *np = pdev->dev.of_node;
	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");
		return -ENOMEM;
	}

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

	alc5632->gpio_hp_det = of_get_named_gpio(np, "nvidia,hp-det-gpios", 0);
	if (alc5632->gpio_hp_det == -EPROBE_DEFER)
		return -EPROBE_DEFER;

	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_of_node = of_parse_phandle(np,
			"nvidia,i2s-controller", 0);
	if (!tegra_alc5632_dai.cpu_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_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 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);

	snd_soc_unregister_card(card);

	tegra_asoc_utils_fini(&machine->util_data);

	return 0;
}

static const struct of_device_id tegra_alc5632_of_match[] = {
	{ .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 = 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	/*
aef9a37c	2	* tegra_alc5632.c -- Toshiba AC100(PAZ00) machine ASoC driver
1ae93b9d SW	3	*
1ae93b9d SW	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	15
58783faf LR	16	#include <linux/module.h>
	17	#include <linux/platform_device.h>
	18	#include <linux/slab.h>
	19	#include <linux/gpio.h>
d559f1e5	20	#include <linux/of_gpio.h>
58783faf LR	21
	22	#include <sound/core.h>
	23	#include <sound/jack.h>
	24	#include <sound/pcm.h>
	25	#include <sound/pcm_params.h>
	26	#include <sound/soc.h>
	27
	28	#include "../codecs/alc5632.h"
	29
58783faf LR	30	#include "tegra_asoc_utils.h"
	31
	32	#define DRV_NAME "tegra-alc5632"
	33
	34	struct tegra_alc5632 {
	35	struct tegra_asoc_utils_data util_data;
d559f1e5	36	int gpio_hp_det;
58783faf LR	37	};
	38
	39	static int tegra_alc5632_asoc_hw_params(struct snd_pcm_substream *substream,
	40	struct snd_pcm_hw_params *params)
	41	{
	42	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	43	struct snd_soc_dai *codec_dai = rtd->codec_dai;
093c4e5c	44	struct snd_soc_card *card = rtd->card;
58783faf LR	45	struct tegra_alc5632 *alc5632 = snd_soc_card_get_drvdata(card);
	46	int srate, mclk;
	47	int err;
	48
	49	srate = params_rate(params);
	50	mclk = 512 * srate;
	51
	52	err = tegra_asoc_utils_set_rate(&alc5632->util_data, srate, mclk);
	53	if (err < 0) {
	54	dev_err(card->dev, "Can't configure clocks\n");
	55	return err;
	56	}
	57
	58	err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
	59	SND_SOC_CLOCK_IN);
	60	if (err < 0) {
	61	dev_err(card->dev, "codec_dai clock not set\n");
	62	return err;
	63	}
	64
	65	return 0;
	66	}
	67
	68	static struct snd_soc_ops tegra_alc5632_asoc_ops = {
	69	.hw_params = tegra_alc5632_asoc_hw_params,
	70	};
	71
	72	static struct snd_soc_jack tegra_alc5632_hs_jack;
	73
	74	static struct snd_soc_jack_pin tegra_alc5632_hs_jack_pins[] = {
	75	{
	76	.pin = "Headset Mic",
	77	.mask = SND_JACK_MICROPHONE,
	78	},
	79	{
	80	.pin = "Headset Stereophone",
	81	.mask = SND_JACK_HEADPHONE,
	82	},
	83	};
	84
d559f1e5 LR	85	static struct snd_soc_jack_gpio tegra_alc5632_hp_jack_gpio = {
	86	.name = "Headset detection",
	87	.report = SND_JACK_HEADSET,
	88	.debounce_time = 150,
d559f1e5 LR	89	};
d559f1e5 LR	90
58783faf LR	91	static const struct snd_soc_dapm_widget tegra_alc5632_dapm_widgets[] = {
	92	SND_SOC_DAPM_SPK("Int Spk", NULL),
	93	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
	94	SND_SOC_DAPM_MIC("Headset Mic", NULL),
dd7d3a24	95	SND_SOC_DAPM_MIC("Digital Mic", NULL),
58783faf LR	96	};
58783faf LR	97
58783faf LR	98	static const struct snd_kcontrol_new tegra_alc5632_controls[] = {
	99	SOC_DAPM_PIN_SWITCH("Int Spk"),
	100	};
	101
	102	static int tegra_alc5632_asoc_init(struct snd_soc_pcm_runtime *rtd)
	103	{
40db77a0 SW	104	struct snd_soc_dai *codec_dai = rtd->codec_dai;
40db77a0 SW	105	struct snd_soc_codec *codec = codec_dai->codec;
58783faf	106	struct snd_soc_dapm_context *dapm = &codec->dapm;
093c4e5c	107	struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(rtd->card);
58783faf LR	108
	109	snd_soc_jack_new(codec, "Headset Jack", SND_JACK_HEADSET,
	110	&tegra_alc5632_hs_jack);
	111	snd_soc_jack_add_pins(&tegra_alc5632_hs_jack,
	112	ARRAY_SIZE(tegra_alc5632_hs_jack_pins),
	113	tegra_alc5632_hs_jack_pins);
	114
d559f1e5 LR	115	if (gpio_is_valid(machine->gpio_hp_det)) {
	116	tegra_alc5632_hp_jack_gpio.gpio = machine->gpio_hp_det;
	117	snd_soc_jack_add_gpios(&tegra_alc5632_hs_jack,
	118	1,
	119	&tegra_alc5632_hp_jack_gpio);
d559f1e5 LR	120	}
d559f1e5 LR	121
58783faf LR	122	snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1");
	123
	124	return 0;
	125	}
	126
fb6b8e71 SW	127	static int tegra_alc5632_card_remove(struct snd_soc_card *card)
	128	{
	129	struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(card);
	130
	131	if (gpio_is_valid(machine->gpio_hp_det)) {
	132	snd_soc_jack_free_gpios(&tegra_alc5632_hs_jack, 1,
	133	&tegra_alc5632_hp_jack_gpio);
	134	}
	135
	136	return 0;
	137	}
	138
58783faf LR	139	static struct snd_soc_dai_link tegra_alc5632_dai = {
	140	.name = "ALC5632",
	141	.stream_name = "ALC5632 PCM",
58783faf LR	142	.codec_dai_name = "alc5632-hifi",
	143	.init = tegra_alc5632_asoc_init,
	144	.ops = &tegra_alc5632_asoc_ops,
	145	.dai_fmt = SND_SOC_DAIFMT_I2S
	146	\| SND_SOC_DAIFMT_NB_NF
	147	\| SND_SOC_DAIFMT_CBS_CFS,
	148	};
	149
	150	static struct snd_soc_card snd_soc_tegra_alc5632 = {
	151	.name = "tegra-alc5632",
b16eaf9f	152	.owner = THIS_MODULE,
fb6b8e71	153	.remove = tegra_alc5632_card_remove,
58783faf LR	154	.dai_link = &tegra_alc5632_dai,
	155	.num_links = 1,
	156	.controls = tegra_alc5632_controls,
	157	.num_controls = ARRAY_SIZE(tegra_alc5632_controls),
	158	.dapm_widgets = tegra_alc5632_dapm_widgets,
	159	.num_dapm_widgets = ARRAY_SIZE(tegra_alc5632_dapm_widgets),
58783faf LR	160	.fully_routed = true,
	161	};
	162
4652a0d0	163	static int tegra_alc5632_probe(struct platform_device *pdev)
58783faf	164	{
aef9a37c	165	struct device_node *np = pdev->dev.of_node;
58783faf LR	166	struct snd_soc_card *card = &snd_soc_tegra_alc5632;
	167	struct tegra_alc5632 *alc5632;
	168	int ret;
	169
	170	alc5632 = devm_kzalloc(&pdev->dev,
	171	sizeof(struct tegra_alc5632), GFP_KERNEL);
	172	if (!alc5632) {
	173	dev_err(&pdev->dev, "Can't allocate tegra_alc5632\n");
f726536f	174	return -ENOMEM;
58783faf LR	175	}
58783faf LR	176
58783faf LR	177	card->dev = &pdev->dev;
	178	platform_set_drvdata(pdev, card);
	179	snd_soc_card_set_drvdata(card, alc5632);
	180
aef9a37c	181	alc5632->gpio_hp_det = of_get_named_gpio(np, "nvidia,hp-det-gpios", 0);
bbfc3280	182	if (alc5632->gpio_hp_det == -EPROBE_DEFER)
aef9a37c SW	183	return -EPROBE_DEFER;
aef9a37c SW	184
b4dc0a75 LR	185	ret = snd_soc_of_parse_card_name(card, "nvidia,model");
	186	if (ret)
	187	goto err;
	188
	189	ret = snd_soc_of_parse_audio_routing(card, "nvidia,audio-routing");
	190	if (ret)
	191	goto err;
	192
	193	tegra_alc5632_dai.codec_of_node = of_parse_phandle(
	194	pdev->dev.of_node, "nvidia,audio-codec", 0);
	195
	196	if (!tegra_alc5632_dai.codec_of_node) {
	197	dev_err(&pdev->dev,
	198	"Property 'nvidia,audio-codec' missing or invalid\n");
	199	ret = -EINVAL;
	200	goto err;
	201	}
	202
f726536f SW	203	tegra_alc5632_dai.cpu_of_node = of_parse_phandle(np,
f726536f SW	204	"nvidia,i2s-controller", 0);
bc92657a	205	if (!tegra_alc5632_dai.cpu_of_node) {
b4dc0a75	206	dev_err(&pdev->dev,
f726536f	207	"Property 'nvidia,i2s-controller' missing or invalid\n");
b4dc0a75 LR	208	ret = -EINVAL;
	209	goto err;
	210	}
	211
bc92657a	212	tegra_alc5632_dai.platform_of_node = tegra_alc5632_dai.cpu_of_node;
b4dc0a75 LR	213
	214	ret = tegra_asoc_utils_init(&alc5632->util_data, &pdev->dev);
	215	if (ret)
518de86b	216	goto err;
b4dc0a75	217
58783faf LR	218	ret = snd_soc_register_card(card);
	219	if (ret) {
	220	dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
	221	ret);
b4dc0a75	222	goto err_fini_utils;
58783faf LR	223	}
	224
	225	return 0;
b4dc0a75 LR	226
	227	err_fini_utils:
	228	tegra_asoc_utils_fini(&alc5632->util_data);
b4dc0a75 LR	229	err:
b4dc0a75 LR	230	return ret;
58783faf LR	231	}
58783faf LR	232
4652a0d0	233	static int tegra_alc5632_remove(struct platform_device *pdev)
58783faf LR	234	{
58783faf LR	235	struct snd_soc_card *card = platform_get_drvdata(pdev);
d559f1e5 LR	236	struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(card);
d559f1e5 LR	237
58783faf LR	238	snd_soc_unregister_card(card);
58783faf LR	239
d559f1e5	240	tegra_asoc_utils_fini(&machine->util_data);
58783faf LR	241
	242	return 0;
	243	}
	244
f6e65744	245	static const struct of_device_id tegra_alc5632_of_match[] = {
b4dc0a75 LR	246	{ .compatible = "nvidia,tegra-audio-alc5632", },
	247	{},
	248	};
	249
58783faf LR	250	static struct platform_driver tegra_alc5632_driver = {
	251	.driver = {
	252	.name = DRV_NAME,
	253	.owner = THIS_MODULE,
	254	.pm = &snd_soc_pm_ops,
b4dc0a75	255	.of_match_table = tegra_alc5632_of_match,
58783faf LR	256	},
58783faf LR	257	.probe = tegra_alc5632_probe,
4652a0d0	258	.remove = tegra_alc5632_remove,
58783faf LR	259	};
	260	module_platform_driver(tegra_alc5632_driver);
	261
	262	MODULE_AUTHOR("Leon Romanovsky <leon@leon.nu>");
	263	MODULE_DESCRIPTION("Tegra+ALC5632 machine ASoC driver");
	264	MODULE_LICENSE("GPL");
	265	MODULE_ALIAS("platform:" DRV_NAME);
b4dc0a75	266	MODULE_DEVICE_TABLE(of, tegra_alc5632_of_match);