[mirror_ubuntu-bionic-kernel.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;
	unsigned int fmt;

	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;
	}

	return snd_soc_runtime_set_dai_fmt(rtd, fmt);
}

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_card *card = rtd->card;
	struct snd_soc_dapm_context *dapm = &card->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_card_jack_new(rtd->card, "Headset Jack",
					    SND_JACK_HEADSET, &priv->hs_jack,
					    hs_jack_pins,
					    ARRAY_SIZE(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;
}

static int omap_twl4030_card_remove(struct snd_soc_card *card)
{
	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;
}

/* 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.3",
		.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,
	.remove = omap_twl4030_card_remove,
	.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 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",
		.pm = &snd_soc_pm_ops,
		.of_match_table = omap_twl4030_of_match,
	},
	.probe = omap_twl4030_probe,
};

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;
fff8491c	56	unsigned int fmt;
fff8491c PU	57
	58	switch (params_channels(params)) {
	59	case 2: /* Stereo I2S mode */
	60	fmt = SND_SOC_DAIFMT_I2S \|
	61	SND_SOC_DAIFMT_NB_NF \|
	62	SND_SOC_DAIFMT_CBM_CFM;
	63	break;
	64	case 4: /* Four channel TDM mode */
	65	fmt = SND_SOC_DAIFMT_DSP_A \|
	66	SND_SOC_DAIFMT_IB_NF \|
	67	SND_SOC_DAIFMT_CBM_CFM;
	68	break;
	69	default:
	70	return -EINVAL;
	71	}
	72
dc1b36b2	73	return snd_soc_runtime_set_dai_fmt(rtd, fmt);
fff8491c PU	74	}
	75
	76	static struct snd_soc_ops omap_twl4030_ops = {
	77	.hw_params = omap_twl4030_hw_params,
	78	};
	79
bd0b286e PU	80	static const struct snd_soc_dapm_widget dapm_widgets[] = {
	81	SND_SOC_DAPM_SPK("Earpiece Spk", NULL),
	82	SND_SOC_DAPM_SPK("Handsfree Spk", NULL),
	83	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
	84	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	85	SND_SOC_DAPM_SPK("Carkit Spk", NULL),
	86
	87	SND_SOC_DAPM_MIC("Main Mic", NULL),
	88	SND_SOC_DAPM_MIC("Sub Mic", NULL),
	89	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	90	SND_SOC_DAPM_MIC("Carkit Mic", NULL),
	91	SND_SOC_DAPM_MIC("Digital0 Mic", NULL),
	92	SND_SOC_DAPM_MIC("Digital1 Mic", NULL),
	93	SND_SOC_DAPM_LINE("Line In", NULL),
	94	};
	95
	96	static const struct snd_soc_dapm_route audio_map[] = {
	97	/* Headset Stereophone: HSOL, HSOR */
	98	{"Headset Stereophone", NULL, "HSOL"},
	99	{"Headset Stereophone", NULL, "HSOR"},
	100	/* External Speakers: HFL, HFR */
	101	{"Handsfree Spk", NULL, "HFL"},
	102	{"Handsfree Spk", NULL, "HFR"},
	103	/* External Speakers: PredrivL, PredrivR */
	104	{"Ext Spk", NULL, "PREDRIVEL"},
	105	{"Ext Spk", NULL, "PREDRIVER"},
	106	/* Carkit speakers: CARKITL, CARKITR */
	107	{"Carkit Spk", NULL, "CARKITL"},
	108	{"Carkit Spk", NULL, "CARKITR"},
	109	/* Earpiece */
	110	{"Earpiece Spk", NULL, "EARPIECE"},
	111
	112	/* External Mics: MAINMIC, SUBMIC with bias */
	113	{"MAINMIC", NULL, "Main Mic"},
	114	{"Main Mic", NULL, "Mic Bias 1"},
	115	{"SUBMIC", NULL, "Sub Mic"},
	116	{"Sub Mic", NULL, "Mic Bias 2"},
	117	/* Headset Mic: HSMIC with bias */
	118	{"HSMIC", NULL, "Headset Mic"},
	119	{"Headset Mic", NULL, "Headset Mic Bias"},
	120	/* Digital Mics: DIGIMIC0, DIGIMIC1 with bias */
	121	{"DIGIMIC0", NULL, "Digital0 Mic"},
	122	{"Digital0 Mic", NULL, "Mic Bias 1"},
	123	{"DIGIMIC1", NULL, "Digital1 Mic"},
	124	{"Digital1 Mic", NULL, "Mic Bias 2"},
	125	/* Carkit In: CARKITMIC */
	126	{"CARKITMIC", NULL, "Carkit Mic"},
	127	/* Aux In: AUXL, AUXR */
	128	{"AUXL", NULL, "Line In"},
	129	{"AUXR", NULL, "Line In"},
	130	};
	131
	132	/* Headset jack detection DAPM pins */
	133	static struct snd_soc_jack_pin hs_jack_pins[] = {
	134	{
	135	.pin = "Headset Mic",
	136	.mask = SND_JACK_MICROPHONE,
	137	},
	138	{
	139	.pin = "Headset Stereophone",
	140	.mask = SND_JACK_HEADPHONE,
	141	},
	142	};
	143
144	/* Headset jack detection gpios */
145	static struct snd_soc_jack_gpio hs_jack_gpios[] = {
146	{
147	.name = "hsdet-gpio",
148	.report = SND_JACK_HEADSET,
149	.debounce_time = 200,
150	},
151	};
152
153	static inline void twl4030_disconnect_pin(struct snd_soc_dapm_context *dapm,
154	int connected, char *pin)
155	{
156	if (!connected)
157	snd_soc_dapm_disable_pin(dapm, pin);
158	}
159
160	static int omap_twl4030_init(struct snd_soc_pcm_runtime *rtd)
161	{
0596f700	162	struct snd_soc_card *card = rtd->card;
a9843112	163	struct snd_soc_dapm_context *dapm = &card->dapm;
bd0b286e PU	164	struct omap_tw4030_pdata *pdata = dev_get_platdata(card->dev);
	165	struct omap_twl4030 *priv = snd_soc_card_get_drvdata(card);
	166	int ret = 0;
	167
	168	/* Headset jack detection only if it is supported */
	169	if (priv->jack_detect > 0) {
	170	hs_jack_gpios[0].gpio = priv->jack_detect;
	171
da21cf6d LPC	172	ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
	173	SND_JACK_HEADSET, &priv->hs_jack,
	174	hs_jack_pins,
	175	ARRAY_SIZE(hs_jack_pins));
bd0b286e PU	176	if (ret)
	177	return ret;
	178
	179	ret = snd_soc_jack_add_gpios(&priv->hs_jack,
	180	ARRAY_SIZE(hs_jack_gpios),
	181	hs_jack_gpios);
	182	if (ret)
	183	return ret;
	184	}
	185
	186	/*
	187	* NULL pdata means we booted with DT. In this case the routing is
	188	* provided and the card is fully routed, no need to mark pins.
	189	*/
	190	if (!pdata \|\| !pdata->custom_routing)
	191	return ret;
	192
	193	/* Disable not connected paths if not used */
	194	twl4030_disconnect_pin(dapm, pdata->has_ear, "Earpiece Spk");
	195	twl4030_disconnect_pin(dapm, pdata->has_hf, "Handsfree Spk");
	196	twl4030_disconnect_pin(dapm, pdata->has_hs, "Headset Stereophone");
	197	twl4030_disconnect_pin(dapm, pdata->has_predriv, "Ext Spk");
	198	twl4030_disconnect_pin(dapm, pdata->has_carkit, "Carkit Spk");
	199
	200	twl4030_disconnect_pin(dapm, pdata->has_mainmic, "Main Mic");
	201	twl4030_disconnect_pin(dapm, pdata->has_submic, "Sub Mic");
	202	twl4030_disconnect_pin(dapm, pdata->has_hsmic, "Headset Mic");
	203	twl4030_disconnect_pin(dapm, pdata->has_carkitmic, "Carkit Mic");
	204	twl4030_disconnect_pin(dapm, pdata->has_digimic0, "Digital0 Mic");
	205	twl4030_disconnect_pin(dapm, pdata->has_digimic1, "Digital1 Mic");
	206	twl4030_disconnect_pin(dapm, pdata->has_linein, "Line In");
	207
	208	return ret;
	209	}
	210
16088cb6	211	static int omap_twl4030_card_remove(struct snd_soc_card *card)
e1d4d3c8	212	{
e1d4d3c8 SW	213	struct omap_twl4030 *priv = snd_soc_card_get_drvdata(card);
	214
	215	if (priv->jack_detect > 0)
	216	snd_soc_jack_free_gpios(&priv->hs_jack,
	217	ARRAY_SIZE(hs_jack_gpios),
	218	hs_jack_gpios);
	219
	220	return 0;
	221	}
	222
fff8491c PU	223	/* Digital audio interface glue - connects codec <--> CPU */
	224	static struct snd_soc_dai_link omap_twl4030_dai_links[] = {
	225	{
bd0b286e PU	226	.name = "TWL4030 HiFi",
bd0b286e PU	227	.stream_name = "TWL4030 HiFi",
fff8491c PU	228	.cpu_dai_name = "omap-mcbsp.2",
fff8491c PU	229	.codec_dai_name = "twl4030-hifi",
dc568f87	230	.platform_name = "omap-mcbsp.2",
fff8491c	231	.codec_name = "twl4030-codec",
bd0b286e	232	.init = omap_twl4030_init,
fff8491c PU	233	.ops = &omap_twl4030_ops,
fff8491c PU	234	},
bd0b286e PU	235	{
	236	.name = "TWL4030 Voice",
	237	.stream_name = "TWL4030 Voice",
	238	.cpu_dai_name = "omap-mcbsp.3",
	239	.codec_dai_name = "twl4030-voice",
fdaf42c0	240	.platform_name = "omap-mcbsp.3",
bd0b286e PU	241	.codec_name = "twl4030-codec",
	242	.dai_fmt = SND_SOC_DAIFMT_DSP_A \| SND_SOC_DAIFMT_IB_NF \|
	243	SND_SOC_DAIFMT_CBM_CFM,
	244	},
fff8491c PU	245	};
	246
	247	/* Audio machine driver */
	248	static struct snd_soc_card omap_twl4030_card = {
	249	.owner = THIS_MODULE,
e1d4d3c8	250	.remove = omap_twl4030_card_remove,
fff8491c PU	251	.dai_link = omap_twl4030_dai_links,
fff8491c PU	252	.num_links = ARRAY_SIZE(omap_twl4030_dai_links),
bd0b286e PU	253
	254	.dapm_widgets = dapm_widgets,
	255	.num_dapm_widgets = ARRAY_SIZE(dapm_widgets),
	256	.dapm_routes = audio_map,
	257	.num_dapm_routes = ARRAY_SIZE(audio_map),
fff8491c PU	258	};
fff8491c PU	259
7ff60006	260	static int omap_twl4030_probe(struct platform_device *pdev)
fff8491c PU	261	{
	262	struct omap_tw4030_pdata *pdata = dev_get_platdata(&pdev->dev);
	263	struct device_node *node = pdev->dev.of_node;
	264	struct snd_soc_card *card = &omap_twl4030_card;
bd0b286e	265	struct omap_twl4030 *priv;
fff8491c PU	266	int ret = 0;
	267
	268	card->dev = &pdev->dev;
	269
bd0b286e PU	270	priv = devm_kzalloc(&pdev->dev, sizeof(struct omap_twl4030), GFP_KERNEL);
	271	if (priv == NULL)
	272	return -ENOMEM;
	273
fff8491c PU	274	if (node) {
fff8491c PU	275	struct device_node *dai_node;
bd0b286e	276	struct property *prop;
fff8491c PU	277
	278	if (snd_soc_of_parse_card_name(card, "ti,model")) {
	279	dev_err(&pdev->dev, "Card name is not provided\n");
	280	return -ENODEV;
	281	}
	282
	283	dai_node = of_parse_phandle(node, "ti,mcbsp", 0);
	284	if (!dai_node) {
	285	dev_err(&pdev->dev, "McBSP node is not provided\n");
	286	return -EINVAL;
	287	}
	288	omap_twl4030_dai_links[0].cpu_dai_name = NULL;
	289	omap_twl4030_dai_links[0].cpu_of_node = dai_node;
	290
dc568f87 PU	291	omap_twl4030_dai_links[0].platform_name = NULL;
	292	omap_twl4030_dai_links[0].platform_of_node = dai_node;
	293
bd0b286e PU	294	dai_node = of_parse_phandle(node, "ti,mcbsp-voice", 0);
	295	if (!dai_node) {
	296	card->num_links = 1;
	297	} else {
	298	omap_twl4030_dai_links[1].cpu_dai_name = NULL;
	299	omap_twl4030_dai_links[1].cpu_of_node = dai_node;
dc568f87 PU	300
	301	omap_twl4030_dai_links[1].platform_name = NULL;
	302	omap_twl4030_dai_links[1].platform_of_node = dai_node;
bd0b286e PU	303	}
	304
	305	priv->jack_detect = of_get_named_gpio(node,
	306	"ti,jack-det-gpio", 0);
	307
	308	/* Optional: audio routing can be provided */
	309	prop = of_find_property(node, "ti,audio-routing", NULL);
	310	if (prop) {
	311	ret = snd_soc_of_parse_audio_routing(card,
	312	"ti,audio-routing");
	313	if (ret)
	314	return ret;
	315
	316	card->fully_routed = 1;
	317	}
fff8491c PU	318	} else if (pdata) {
	319	if (pdata->card_name) {
	320	card->name = pdata->card_name;
	321	} else {
	322	dev_err(&pdev->dev, "Card name is not provided\n");
	323	return -ENODEV;
	324	}
bd0b286e PU	325
	326	if (!pdata->voice_connected)
	327	card->num_links = 1;
	328
	329	priv->jack_detect = pdata->jack_detect;
fff8491c PU	330	} else {
	331	dev_err(&pdev->dev, "Missing pdata\n");
	332	return -ENODEV;
	333	}
	334
bd0b286e	335	snd_soc_card_set_drvdata(card, priv);
67a48b81	336	ret = devm_snd_soc_register_card(&pdev->dev, card);
fff8491c	337	if (ret) {
67a48b81	338	dev_err(&pdev->dev, "devm_snd_soc_register_card() failed: %d\n",
fff8491c PU	339	ret);
	340	return ret;
	341	}
	342
	343	return 0;
	344	}
	345
fff8491c PU	346	static const struct of_device_id omap_twl4030_of_match[] = {
	347	{.compatible = "ti,omap-twl4030", },
	348	{ },
	349	};
	350	MODULE_DEVICE_TABLE(of, omap_twl4030_of_match);
	351
	352	static struct platform_driver omap_twl4030_driver = {
	353	.driver = {
	354	.name = "omap-twl4030",
fff8491c PU	355	.pm = &snd_soc_pm_ops,
	356	.of_match_table = omap_twl4030_of_match,
	357	},
	358	.probe = omap_twl4030_probe,
fff8491c PU	359	};
	360
	361	module_platform_driver(omap_twl4030_driver);
	362
	363	MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@ti.com>");
	364	MODULE_DESCRIPTION("ALSA SoC for TI SoC based boards with twl4030 codec");
	365	MODULE_LICENSE("GPL");
	366	MODULE_ALIAS("platform:omap-twl4030");