[deliverable/linux.git] / sound / soc / omap / omap-twl4030.c

/*
 * omap-twl4030.c  --  SoC audio for TI SoC based boards with twl4030 codec
 *
 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com
 * All rights reserved.
 *
 * Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
 *
 * This driver replaces the following machine drivers:
 * omap3beagle (Author: Steve Sakoman <steve@sakoman.com>)
 * omap3evm (Author: Anuj Aggarwal <anuj.aggarwal@ti.com>)
 * overo (Author: Steve Sakoman <steve@sakoman.com>)
 * igep0020 (Author: Enric Balletbo i Serra <eballetbo@iseebcn.com>)
 * zoom2 (Author: Misael Lopez Cruz <misael.lopez@ti.com>)
 * sdp3430 (Author: Misael Lopez Cruz <misael.lopez@ti.com>)
 *
 * 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.
 *
 * This program is distributed in the hope that 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 */

#include <linux/platform_device.h>
#include <linux/platform_data/omap-twl4030.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/gpio.h>
#include <linux/of_gpio.h>

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

#include "omap-mcbsp.h"

struct omap_twl4030 {
	int jack_detect;	/* board can detect jack events */
	struct snd_soc_jack hs_jack;
};

static int omap_twl4030_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_dai *cpu_dai = rtd->cpu_dai;
	struct snd_soc_card *card = rtd->card;
	unsigned int fmt;
	int ret;

	switch (params_channels(params)) {
	case 2: /* Stereo I2S mode */
		fmt =	SND_SOC_DAIFMT_I2S |
			SND_SOC_DAIFMT_NB_NF |
			SND_SOC_DAIFMT_CBM_CFM;
		break;
	case 4: /* Four channel TDM mode */
		fmt =	SND_SOC_DAIFMT_DSP_A |
			SND_SOC_DAIFMT_IB_NF |
			SND_SOC_DAIFMT_CBM_CFM;
		break;
	default:
		return -EINVAL;
	}

	/* Set codec DAI configuration */
	ret = snd_soc_dai_set_fmt(codec_dai, fmt);
	if (ret < 0) {
		dev_err(card->dev, "can't set codec DAI configuration\n");
		return ret;
	}

	/* Set cpu DAI configuration */
	ret = snd_soc_dai_set_fmt(cpu_dai, fmt);
	if (ret < 0) {
		dev_err(card->dev, "can't set cpu DAI configuration\n");
		return ret;
	}

	return 0;
}

static struct snd_soc_ops omap_twl4030_ops = {
	.hw_params = omap_twl4030_hw_params,
};

static const struct snd_soc_dapm_widget dapm_widgets[] = {
	SND_SOC_DAPM_SPK("Earpiece Spk", NULL),
	SND_SOC_DAPM_SPK("Handsfree Spk", NULL),
	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	SND_SOC_DAPM_SPK("Carkit Spk", NULL),

	SND_SOC_DAPM_MIC("Main Mic", NULL),
	SND_SOC_DAPM_MIC("Sub Mic", NULL),
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_MIC("Carkit Mic", NULL),
	SND_SOC_DAPM_MIC("Digital0 Mic", NULL),
	SND_SOC_DAPM_MIC("Digital1 Mic", NULL),
	SND_SOC_DAPM_LINE("Line In", NULL),
};

static const struct snd_soc_dapm_route audio_map[] = {
	/* Headset Stereophone:  HSOL, HSOR */
	{"Headset Stereophone", NULL, "HSOL"},
	{"Headset Stereophone", NULL, "HSOR"},
	/* External Speakers: HFL, HFR */
	{"Handsfree Spk", NULL, "HFL"},
	{"Handsfree Spk", NULL, "HFR"},
	/* External Speakers: PredrivL, PredrivR */
	{"Ext Spk", NULL, "PREDRIVEL"},
	{"Ext Spk", NULL, "PREDRIVER"},
	/* Carkit speakers:  CARKITL, CARKITR */
	{"Carkit Spk", NULL, "CARKITL"},
	{"Carkit Spk", NULL, "CARKITR"},
	/* Earpiece */
	{"Earpiece Spk", NULL, "EARPIECE"},

	/* External Mics: MAINMIC, SUBMIC with bias */
	{"MAINMIC", NULL, "Main Mic"},
	{"Main Mic", NULL, "Mic Bias 1"},
	{"SUBMIC", NULL, "Sub Mic"},
	{"Sub Mic", NULL, "Mic Bias 2"},
	/* Headset Mic: HSMIC with bias */
	{"HSMIC", NULL, "Headset Mic"},
	{"Headset Mic", NULL, "Headset Mic Bias"},
	/* Digital Mics: DIGIMIC0, DIGIMIC1 with bias */
	{"DIGIMIC0", NULL, "Digital0 Mic"},
	{"Digital0 Mic", NULL, "Mic Bias 1"},
	{"DIGIMIC1", NULL, "Digital1 Mic"},
	{"Digital1 Mic", NULL, "Mic Bias 2"},
	/* Carkit In: CARKITMIC */
	{"CARKITMIC", NULL, "Carkit Mic"},
	/* Aux In: AUXL, AUXR */
	{"AUXL", NULL, "Line In"},
	{"AUXR", NULL, "Line In"},
};

/* Headset jack detection DAPM pins */
static struct snd_soc_jack_pin hs_jack_pins[] = {
	{
		.pin = "Headset Mic",
		.mask = SND_JACK_MICROPHONE,
	},
	{
		.pin = "Headset Stereophone",
		.mask = SND_JACK_HEADPHONE,
	},
};

/* Headset jack detection gpios */
static struct snd_soc_jack_gpio hs_jack_gpios[] = {
	{
		.name = "hsdet-gpio",
		.report = SND_JACK_HEADSET,
		.debounce_time = 200,
	},
};

static inline void twl4030_disconnect_pin(struct snd_soc_dapm_context *dapm,
					  int connected, char *pin)
{
	if (!connected)
		snd_soc_dapm_disable_pin(dapm, pin);
}

static int omap_twl4030_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_card *card = rtd->card;
	struct snd_soc_dapm_context *dapm = &codec->dapm;
	struct omap_tw4030_pdata *pdata = dev_get_platdata(card->dev);
	struct omap_twl4030 *priv = snd_soc_card_get_drvdata(card);
	int ret = 0;

	/* Headset jack detection only if it is supported */
	if (priv->jack_detect > 0) {
		hs_jack_gpios[0].gpio = priv->jack_detect;

		ret = snd_soc_jack_new(codec, "Headset Jack", SND_JACK_HEADSET,
				       &priv->hs_jack);
		if (ret)
			return ret;

		ret = snd_soc_jack_add_pins(&priv->hs_jack,
					    ARRAY_SIZE(hs_jack_pins),
					    hs_jack_pins);
		if (ret)
			return ret;

		ret = snd_soc_jack_add_gpios(&priv->hs_jack,
					     ARRAY_SIZE(hs_jack_gpios),
					     hs_jack_gpios);
		if (ret)
			return ret;
	}

	/*
	 * NULL pdata means we booted with DT. In this case the routing is
	 * provided and the card is fully routed, no need to mark pins.
	 */
	if (!pdata || !pdata->custom_routing)
		return ret;

	/* Disable not connected paths if not used */
	twl4030_disconnect_pin(dapm, pdata->has_ear, "Earpiece Spk");
	twl4030_disconnect_pin(dapm, pdata->has_hf, "Handsfree Spk");
	twl4030_disconnect_pin(dapm, pdata->has_hs, "Headset Stereophone");
	twl4030_disconnect_pin(dapm, pdata->has_predriv, "Ext Spk");
	twl4030_disconnect_pin(dapm, pdata->has_carkit, "Carkit Spk");

	twl4030_disconnect_pin(dapm, pdata->has_mainmic, "Main Mic");
	twl4030_disconnect_pin(dapm, pdata->has_submic, "Sub Mic");
	twl4030_disconnect_pin(dapm, pdata->has_hsmic, "Headset Mic");
	twl4030_disconnect_pin(dapm, pdata->has_carkitmic, "Carkit Mic");
	twl4030_disconnect_pin(dapm, pdata->has_digimic0, "Digital0 Mic");
	twl4030_disconnect_pin(dapm, pdata->has_digimic1, "Digital1 Mic");
	twl4030_disconnect_pin(dapm, pdata->has_linein, "Line In");

	return ret;
}

/* Digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link omap_twl4030_dai_links[] = {
	{
		.name = "TWL4030 HiFi",
		.stream_name = "TWL4030 HiFi",
		.cpu_dai_name = "omap-mcbsp.2",
		.codec_dai_name = "twl4030-hifi",
		.platform_name = "omap-mcbsp.2",
		.codec_name = "twl4030-codec",
		.init = omap_twl4030_init,
		.ops = &omap_twl4030_ops,
	},
	{
		.name = "TWL4030 Voice",
		.stream_name = "TWL4030 Voice",
		.cpu_dai_name = "omap-mcbsp.3",
		.codec_dai_name = "twl4030-voice",
		.platform_name = "omap-mcbsp.2",
		.codec_name = "twl4030-codec",
		.dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF |
			   SND_SOC_DAIFMT_CBM_CFM,
	},
};

/* Audio machine driver */
static struct snd_soc_card omap_twl4030_card = {
	.owner = THIS_MODULE,
	.dai_link = omap_twl4030_dai_links,
	.num_links = ARRAY_SIZE(omap_twl4030_dai_links),

	.dapm_widgets = dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(dapm_widgets),
	.dapm_routes = audio_map,
	.num_dapm_routes = ARRAY_SIZE(audio_map),
};

static int omap_twl4030_probe(struct platform_device *pdev)
{
	struct omap_tw4030_pdata *pdata = dev_get_platdata(&pdev->dev);
	struct device_node *node = pdev->dev.of_node;
	struct snd_soc_card *card = &omap_twl4030_card;
	struct omap_twl4030 *priv;
	int ret = 0;

	card->dev = &pdev->dev;

	priv = devm_kzalloc(&pdev->dev, sizeof(struct omap_twl4030), GFP_KERNEL);
	if (priv == NULL)
		return -ENOMEM;

	if (node) {
		struct device_node *dai_node;
		struct property *prop;

		if (snd_soc_of_parse_card_name(card, "ti,model")) {
			dev_err(&pdev->dev, "Card name is not provided\n");
			return -ENODEV;
		}

		dai_node = of_parse_phandle(node, "ti,mcbsp", 0);
		if (!dai_node) {
			dev_err(&pdev->dev, "McBSP node is not provided\n");
			return -EINVAL;
		}
		omap_twl4030_dai_links[0].cpu_dai_name  = NULL;
		omap_twl4030_dai_links[0].cpu_of_node = dai_node;

		omap_twl4030_dai_links[0].platform_name  = NULL;
		omap_twl4030_dai_links[0].platform_of_node = dai_node;

		dai_node = of_parse_phandle(node, "ti,mcbsp-voice", 0);
		if (!dai_node) {
			card->num_links = 1;
		} else {
			omap_twl4030_dai_links[1].cpu_dai_name  = NULL;
			omap_twl4030_dai_links[1].cpu_of_node = dai_node;

			omap_twl4030_dai_links[1].platform_name  = NULL;
			omap_twl4030_dai_links[1].platform_of_node = dai_node;
		}

		priv->jack_detect = of_get_named_gpio(node,
						      "ti,jack-det-gpio", 0);

		/* Optional: audio routing can be provided */
		prop = of_find_property(node, "ti,audio-routing", NULL);
		if (prop) {
			ret = snd_soc_of_parse_audio_routing(card,
							    "ti,audio-routing");
			if (ret)
				return ret;

			card->fully_routed = 1;
		}
	} else if (pdata) {
		if (pdata->card_name) {
			card->name = pdata->card_name;
		} else {
			dev_err(&pdev->dev, "Card name is not provided\n");
			return -ENODEV;
		}

		if (!pdata->voice_connected)
			card->num_links = 1;

		priv->jack_detect = pdata->jack_detect;
	} else {
		dev_err(&pdev->dev, "Missing pdata\n");
		return -ENODEV;
	}

	snd_soc_card_set_drvdata(card, priv);
	ret = devm_snd_soc_register_card(&pdev->dev, card);
	if (ret) {
		dev_err(&pdev->dev, "devm_snd_soc_register_card() failed: %d\n",
			ret);
		return ret;
	}

	return 0;
}

static int omap_twl4030_remove(struct platform_device *pdev)
{
	struct snd_soc_card *card = platform_get_drvdata(pdev);
	struct omap_twl4030 *priv = snd_soc_card_get_drvdata(card);

	if (priv->jack_detect > 0)
		snd_soc_jack_free_gpios(&priv->hs_jack,
					ARRAY_SIZE(hs_jack_gpios),
					hs_jack_gpios);

	return 0;
}

static const struct of_device_id omap_twl4030_of_match[] = {
	{.compatible = "ti,omap-twl4030", },
	{ },
};
MODULE_DEVICE_TABLE(of, omap_twl4030_of_match);

static struct platform_driver omap_twl4030_driver = {
	.driver = {
		.name = "omap-twl4030",
		.owner = THIS_MODULE,
		.pm = &snd_soc_pm_ops,
		.of_match_table = omap_twl4030_of_match,
	},
	.probe = omap_twl4030_probe,
	.remove = omap_twl4030_remove,
};

module_platform_driver(omap_twl4030_driver);

MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@ti.com>");
MODULE_DESCRIPTION("ALSA SoC for TI SoC based boards with twl4030 codec");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:omap-twl4030");
Commit	Line	Data
fff8491c PU	1	/*
	2	* omap-twl4030.c -- SoC audio for TI SoC based boards with twl4030 codec
	3	*
	4	* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com
	5	* All rights reserved.
	6	*
	7	* Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
	8	*
	9	* This driver replaces the following machine drivers:
	10	* omap3beagle (Author: Steve Sakoman <steve@sakoman.com>)
	11	* omap3evm (Author: Anuj Aggarwal <anuj.aggarwal@ti.com>)
	12	* overo (Author: Steve Sakoman <steve@sakoman.com>)
	13	* igep0020 (Author: Enric Balletbo i Serra <eballetbo@iseebcn.com>)
bd0b286e PU	14	* zoom2 (Author: Misael Lopez Cruz <misael.lopez@ti.com>)
bd0b286e PU	15	* sdp3430 (Author: Misael Lopez Cruz <misael.lopez@ti.com>)
fff8491c PU	16	*
	17	* This program is free software; you can redistribute it and/or
	18	* modify it under the terms of the GNU General Public License
	19	* version 2 as published by the Free Software Foundation.
	20	*
	21	* This program is distributed in the hope that it will be useful, but
	22	* WITHOUT ANY WARRANTY; without even the implied warranty of
	23	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	24	* General Public License for more details.
	25	*
	26	* You should have received a copy of the GNU General Public License
	27	* along with this program; if not, write to the Free Software
	28	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
	29	* 02110-1301 USA
	30	*
	31	*/
	32
	33	#include <linux/platform_device.h>
	34	#include <linux/platform_data/omap-twl4030.h>
	35	#include <linux/module.h>
	36	#include <linux/of.h>
bd0b286e PU	37	#include <linux/gpio.h>
bd0b286e PU	38	#include <linux/of_gpio.h>
fff8491c PU	39
	40	#include <sound/core.h>
	41	#include <sound/pcm.h>
	42	#include <sound/soc.h>
bd0b286e	43	#include <sound/jack.h>
fff8491c PU	44
fff8491c PU	45	#include "omap-mcbsp.h"
fff8491c	46
bd0b286e PU	47	struct omap_twl4030 {
	48	int jack_detect; /* board can detect jack events */
	49	struct snd_soc_jack hs_jack;
	50	};
	51
fff8491c PU	52	static int omap_twl4030_hw_params(struct snd_pcm_substream *substream,
	53	struct snd_pcm_hw_params *params)
	54	{
	55	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	56	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	57	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
0596f700	58	struct snd_soc_card *card = rtd->card;
fff8491c PU	59	unsigned int fmt;
	60	int ret;
	61
	62	switch (params_channels(params)) {
	63	case 2: /* Stereo I2S mode */
	64	fmt = SND_SOC_DAIFMT_I2S \|
	65	SND_SOC_DAIFMT_NB_NF \|
	66	SND_SOC_DAIFMT_CBM_CFM;
	67	break;
	68	case 4: /* Four channel TDM mode */
	69	fmt = SND_SOC_DAIFMT_DSP_A \|
	70	SND_SOC_DAIFMT_IB_NF \|
	71	SND_SOC_DAIFMT_CBM_CFM;
	72	break;
	73	default:
	74	return -EINVAL;
	75	}
	76
	77	/* Set codec DAI configuration */
	78	ret = snd_soc_dai_set_fmt(codec_dai, fmt);
	79	if (ret < 0) {
	80	dev_err(card->dev, "can't set codec DAI configuration\n");
	81	return ret;
	82	}
	83
	84	/* Set cpu DAI configuration */
	85	ret = snd_soc_dai_set_fmt(cpu_dai, fmt);
	86	if (ret < 0) {
	87	dev_err(card->dev, "can't set cpu DAI configuration\n");
	88	return ret;
	89	}
	90
	91	return 0;
	92	}
	93
	94	static struct snd_soc_ops omap_twl4030_ops = {
	95	.hw_params = omap_twl4030_hw_params,
	96	};
	97
bd0b286e PU	98	static const struct snd_soc_dapm_widget dapm_widgets[] = {
	99	SND_SOC_DAPM_SPK("Earpiece Spk", NULL),
	100	SND_SOC_DAPM_SPK("Handsfree Spk", NULL),
	101	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
	102	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	103	SND_SOC_DAPM_SPK("Carkit Spk", NULL),
	104
	105	SND_SOC_DAPM_MIC("Main Mic", NULL),
	106	SND_SOC_DAPM_MIC("Sub Mic", NULL),
	107	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	108	SND_SOC_DAPM_MIC("Carkit Mic", NULL),
	109	SND_SOC_DAPM_MIC("Digital0 Mic", NULL),
	110	SND_SOC_DAPM_MIC("Digital1 Mic", NULL),
	111	SND_SOC_DAPM_LINE("Line In", NULL),
	112	};
	113
	114	static const struct snd_soc_dapm_route audio_map[] = {
	115	/* Headset Stereophone: HSOL, HSOR */
	116	{"Headset Stereophone", NULL, "HSOL"},
	117	{"Headset Stereophone", NULL, "HSOR"},
	118	/* External Speakers: HFL, HFR */
	119	{"Handsfree Spk", NULL, "HFL"},
	120	{"Handsfree Spk", NULL, "HFR"},
	121	/* External Speakers: PredrivL, PredrivR */
	122	{"Ext Spk", NULL, "PREDRIVEL"},
	123	{"Ext Spk", NULL, "PREDRIVER"},
	124	/* Carkit speakers: CARKITL, CARKITR */
	125	{"Carkit Spk", NULL, "CARKITL"},
	126	{"Carkit Spk", NULL, "CARKITR"},
	127	/* Earpiece */
	128	{"Earpiece Spk", NULL, "EARPIECE"},
	129
	130	/* External Mics: MAINMIC, SUBMIC with bias */
	131	{"MAINMIC", NULL, "Main Mic"},
	132	{"Main Mic", NULL, "Mic Bias 1"},
	133	{"SUBMIC", NULL, "Sub Mic"},
	134	{"Sub Mic", NULL, "Mic Bias 2"},
	135	/* Headset Mic: HSMIC with bias */
	136	{"HSMIC", NULL, "Headset Mic"},
	137	{"Headset Mic", NULL, "Headset Mic Bias"},
	138	/* Digital Mics: DIGIMIC0, DIGIMIC1 with bias */
	139	{"DIGIMIC0", NULL, "Digital0 Mic"},
	140	{"Digital0 Mic", NULL, "Mic Bias 1"},
	141	{"DIGIMIC1", NULL, "Digital1 Mic"},
	142	{"Digital1 Mic", NULL, "Mic Bias 2"},
	143	/* Carkit In: CARKITMIC */
	144	{"CARKITMIC", NULL, "Carkit Mic"},
	145	/* Aux In: AUXL, AUXR */
	146	{"AUXL", NULL, "Line In"},
	147	{"AUXR", NULL, "Line In"},
	148	};
	149
	150	/* Headset jack detection DAPM pins */
	151	static struct snd_soc_jack_pin hs_jack_pins[] = {
	152	{
	153	.pin = "Headset Mic",
	154	.mask = SND_JACK_MICROPHONE,
	155	},
	156	{
	157	.pin = "Headset Stereophone",
	158	.mask = SND_JACK_HEADPHONE,
	159	},
	160	};
	161
162	/* Headset jack detection gpios */
163	static struct snd_soc_jack_gpio hs_jack_gpios[] = {
164	{
165	.name = "hsdet-gpio",
166	.report = SND_JACK_HEADSET,
167	.debounce_time = 200,
168	},
169	};
170
171	static inline void twl4030_disconnect_pin(struct snd_soc_dapm_context *dapm,
172	int connected, char *pin)
173	{
174	if (!connected)
175	snd_soc_dapm_disable_pin(dapm, pin);
176	}
177
178	static int omap_twl4030_init(struct snd_soc_pcm_runtime *rtd)
179	{
180	struct snd_soc_codec *codec = rtd->codec;
0596f700	181	struct snd_soc_card *card = rtd->card;
bd0b286e PU	182	struct snd_soc_dapm_context *dapm = &codec->dapm;
	183	struct omap_tw4030_pdata *pdata = dev_get_platdata(card->dev);
	184	struct omap_twl4030 *priv = snd_soc_card_get_drvdata(card);
	185	int ret = 0;
	186
	187	/* Headset jack detection only if it is supported */
	188	if (priv->jack_detect > 0) {
	189	hs_jack_gpios[0].gpio = priv->jack_detect;
	190
	191	ret = snd_soc_jack_new(codec, "Headset Jack", SND_JACK_HEADSET,
	192	&priv->hs_jack);
	193	if (ret)
	194	return ret;
	195
	196	ret = snd_soc_jack_add_pins(&priv->hs_jack,
	197	ARRAY_SIZE(hs_jack_pins),
	198	hs_jack_pins);
	199	if (ret)
	200	return ret;
	201
	202	ret = snd_soc_jack_add_gpios(&priv->hs_jack,
	203	ARRAY_SIZE(hs_jack_gpios),
	204	hs_jack_gpios);
	205	if (ret)
	206	return ret;
	207	}
	208
	209	/*
	210	* NULL pdata means we booted with DT. In this case the routing is
	211	* provided and the card is fully routed, no need to mark pins.
	212	*/
	213	if (!pdata \|\| !pdata->custom_routing)
	214	return ret;
	215
	216	/* Disable not connected paths if not used */
	217	twl4030_disconnect_pin(dapm, pdata->has_ear, "Earpiece Spk");
	218	twl4030_disconnect_pin(dapm, pdata->has_hf, "Handsfree Spk");
	219	twl4030_disconnect_pin(dapm, pdata->has_hs, "Headset Stereophone");
	220	twl4030_disconnect_pin(dapm, pdata->has_predriv, "Ext Spk");
	221	twl4030_disconnect_pin(dapm, pdata->has_carkit, "Carkit Spk");
	222
	223	twl4030_disconnect_pin(dapm, pdata->has_mainmic, "Main Mic");
	224	twl4030_disconnect_pin(dapm, pdata->has_submic, "Sub Mic");
	225	twl4030_disconnect_pin(dapm, pdata->has_hsmic, "Headset Mic");
	226	twl4030_disconnect_pin(dapm, pdata->has_carkitmic, "Carkit Mic");
	227	twl4030_disconnect_pin(dapm, pdata->has_digimic0, "Digital0 Mic");
	228	twl4030_disconnect_pin(dapm, pdata->has_digimic1, "Digital1 Mic");
	229	twl4030_disconnect_pin(dapm, pdata->has_linein, "Line In");
	230
	231	return ret;
	232	}
	233
fff8491c PU	234	/* Digital audio interface glue - connects codec <--> CPU */
	235	static struct snd_soc_dai_link omap_twl4030_dai_links[] = {
	236	{
bd0b286e PU	237	.name = "TWL4030 HiFi",
bd0b286e PU	238	.stream_name = "TWL4030 HiFi",
fff8491c PU	239	.cpu_dai_name = "omap-mcbsp.2",
fff8491c PU	240	.codec_dai_name = "twl4030-hifi",
dc568f87	241	.platform_name = "omap-mcbsp.2",
fff8491c	242	.codec_name = "twl4030-codec",
bd0b286e	243	.init = omap_twl4030_init,
fff8491c PU	244	.ops = &omap_twl4030_ops,
fff8491c PU	245	},
bd0b286e PU	246	{
	247	.name = "TWL4030 Voice",
	248	.stream_name = "TWL4030 Voice",
	249	.cpu_dai_name = "omap-mcbsp.3",
	250	.codec_dai_name = "twl4030-voice",
dc568f87	251	.platform_name = "omap-mcbsp.2",
bd0b286e PU	252	.codec_name = "twl4030-codec",
	253	.dai_fmt = SND_SOC_DAIFMT_DSP_A \| SND_SOC_DAIFMT_IB_NF \|
	254	SND_SOC_DAIFMT_CBM_CFM,
	255	},
fff8491c PU	256	};
	257
	258	/* Audio machine driver */
	259	static struct snd_soc_card omap_twl4030_card = {
	260	.owner = THIS_MODULE,
	261	.dai_link = omap_twl4030_dai_links,
	262	.num_links = ARRAY_SIZE(omap_twl4030_dai_links),
bd0b286e PU	263
	264	.dapm_widgets = dapm_widgets,
	265	.num_dapm_widgets = ARRAY_SIZE(dapm_widgets),
	266	.dapm_routes = audio_map,
	267	.num_dapm_routes = ARRAY_SIZE(audio_map),
fff8491c PU	268	};
fff8491c PU	269
7ff60006	270	static int omap_twl4030_probe(struct platform_device *pdev)
fff8491c PU	271	{
	272	struct omap_tw4030_pdata *pdata = dev_get_platdata(&pdev->dev);
	273	struct device_node *node = pdev->dev.of_node;
	274	struct snd_soc_card *card = &omap_twl4030_card;
bd0b286e	275	struct omap_twl4030 *priv;
fff8491c PU	276	int ret = 0;
	277
	278	card->dev = &pdev->dev;
	279
bd0b286e PU	280	priv = devm_kzalloc(&pdev->dev, sizeof(struct omap_twl4030), GFP_KERNEL);
	281	if (priv == NULL)
	282	return -ENOMEM;
	283
fff8491c PU	284	if (node) {
fff8491c PU	285	struct device_node *dai_node;
bd0b286e	286	struct property *prop;
fff8491c PU	287
	288	if (snd_soc_of_parse_card_name(card, "ti,model")) {
	289	dev_err(&pdev->dev, "Card name is not provided\n");
	290	return -ENODEV;
	291	}
	292
	293	dai_node = of_parse_phandle(node, "ti,mcbsp", 0);
	294	if (!dai_node) {
	295	dev_err(&pdev->dev, "McBSP node is not provided\n");
	296	return -EINVAL;
	297	}
	298	omap_twl4030_dai_links[0].cpu_dai_name = NULL;
	299	omap_twl4030_dai_links[0].cpu_of_node = dai_node;
	300
dc568f87 PU	301	omap_twl4030_dai_links[0].platform_name = NULL;
	302	omap_twl4030_dai_links[0].platform_of_node = dai_node;
	303
bd0b286e PU	304	dai_node = of_parse_phandle(node, "ti,mcbsp-voice", 0);
	305	if (!dai_node) {
	306	card->num_links = 1;
	307	} else {
	308	omap_twl4030_dai_links[1].cpu_dai_name = NULL;
	309	omap_twl4030_dai_links[1].cpu_of_node = dai_node;
dc568f87 PU	310
	311	omap_twl4030_dai_links[1].platform_name = NULL;
	312	omap_twl4030_dai_links[1].platform_of_node = dai_node;
bd0b286e PU	313	}
	314
	315	priv->jack_detect = of_get_named_gpio(node,
	316	"ti,jack-det-gpio", 0);
	317
	318	/* Optional: audio routing can be provided */
	319	prop = of_find_property(node, "ti,audio-routing", NULL);
	320	if (prop) {
	321	ret = snd_soc_of_parse_audio_routing(card,
	322	"ti,audio-routing");
	323	if (ret)
	324	return ret;
	325
	326	card->fully_routed = 1;
	327	}
fff8491c PU	328	} else if (pdata) {
	329	if (pdata->card_name) {
	330	card->name = pdata->card_name;
	331	} else {
	332	dev_err(&pdev->dev, "Card name is not provided\n");
	333	return -ENODEV;
	334	}
bd0b286e PU	335
	336	if (!pdata->voice_connected)
	337	card->num_links = 1;
	338
	339	priv->jack_detect = pdata->jack_detect;
fff8491c PU	340	} else {
	341	dev_err(&pdev->dev, "Missing pdata\n");
	342	return -ENODEV;
	343	}
	344
bd0b286e	345	snd_soc_card_set_drvdata(card, priv);
67a48b81	346	ret = devm_snd_soc_register_card(&pdev->dev, card);
fff8491c	347	if (ret) {
67a48b81	348	dev_err(&pdev->dev, "devm_snd_soc_register_card() failed: %d\n",
fff8491c PU	349	ret);
	350	return ret;
	351	}
	352
	353	return 0;
	354	}
	355
7ff60006	356	static int omap_twl4030_remove(struct platform_device *pdev)
fff8491c PU	357	{
fff8491c PU	358	struct snd_soc_card *card = platform_get_drvdata(pdev);
bd0b286e	359	struct omap_twl4030 *priv = snd_soc_card_get_drvdata(card);
fff8491c	360
bd0b286e PU	361	if (priv->jack_detect > 0)
	362	snd_soc_jack_free_gpios(&priv->hs_jack,
	363	ARRAY_SIZE(hs_jack_gpios),
	364	hs_jack_gpios);
fff8491c PU	365
	366	return 0;
	367	}
	368
	369	static const struct of_device_id omap_twl4030_of_match[] = {
	370	{.compatible = "ti,omap-twl4030", },
	371	{ },
	372	};
	373	MODULE_DEVICE_TABLE(of, omap_twl4030_of_match);
	374
	375	static struct platform_driver omap_twl4030_driver = {
	376	.driver = {
	377	.name = "omap-twl4030",
	378	.owner = THIS_MODULE,
	379	.pm = &snd_soc_pm_ops,
	380	.of_match_table = omap_twl4030_of_match,
	381	},
	382	.probe = omap_twl4030_probe,
7ff60006	383	.remove = omap_twl4030_remove,
fff8491c PU	384	};
	385
	386	module_platform_driver(omap_twl4030_driver);
	387
	388	MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@ti.com>");
	389	MODULE_DESCRIPTION("ALSA SoC for TI SoC based boards with twl4030 codec");
	390	MODULE_LICENSE("GPL");
	391	MODULE_ALIAS("platform:omap-twl4030");