[mirror_ubuntu-jammy-kernel.git] / sound / soc / ti / omap-twl4030.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * 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>)
 */

#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 const 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;
}

/* 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,
	.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
2b27bdcc	1	// SPDX-License-Identifier: GPL-2.0-only
fff8491c PU	2	/*
	3	* omap-twl4030.c -- SoC audio for TI SoC based boards with twl4030 codec
	4	*
	5	* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com
	6	* All rights reserved.
	7	*
	8	* Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
	9	*
	10	* This driver replaces the following machine drivers:
	11	* omap3beagle (Author: Steve Sakoman <steve@sakoman.com>)
	12	* omap3evm (Author: Anuj Aggarwal <anuj.aggarwal@ti.com>)
	13	* overo (Author: Steve Sakoman <steve@sakoman.com>)
	14	* igep0020 (Author: Enric Balletbo i Serra <eballetbo@iseebcn.com>)
bd0b286e PU	15	* zoom2 (Author: Misael Lopez Cruz <misael.lopez@ti.com>)
bd0b286e PU	16	* sdp3430 (Author: Misael Lopez Cruz <misael.lopez@ti.com>)
fff8491c PU	17	*/
	18
	19	#include <linux/platform_device.h>
	20	#include <linux/platform_data/omap-twl4030.h>
	21	#include <linux/module.h>
	22	#include <linux/of.h>
bd0b286e PU	23	#include <linux/gpio.h>
bd0b286e PU	24	#include <linux/of_gpio.h>
fff8491c PU	25
	26	#include <sound/core.h>
	27	#include <sound/pcm.h>
	28	#include <sound/soc.h>
bd0b286e	29	#include <sound/jack.h>
fff8491c PU	30
fff8491c PU	31	#include "omap-mcbsp.h"
fff8491c	32
bd0b286e PU	33	struct omap_twl4030 {
	34	int jack_detect; /* board can detect jack events */
	35	struct snd_soc_jack hs_jack;
	36	};
	37
fff8491c PU	38	static int omap_twl4030_hw_params(struct snd_pcm_substream *substream,
	39	struct snd_pcm_hw_params *params)
	40	{
	41	struct snd_soc_pcm_runtime *rtd = substream->private_data;
fff8491c	42	unsigned int fmt;
fff8491c PU	43
	44	switch (params_channels(params)) {
	45	case 2: /* Stereo I2S mode */
	46	fmt = SND_SOC_DAIFMT_I2S \|
	47	SND_SOC_DAIFMT_NB_NF \|
	48	SND_SOC_DAIFMT_CBM_CFM;
	49	break;
	50	case 4: /* Four channel TDM mode */
	51	fmt = SND_SOC_DAIFMT_DSP_A \|
	52	SND_SOC_DAIFMT_IB_NF \|
	53	SND_SOC_DAIFMT_CBM_CFM;
	54	break;
	55	default:
	56	return -EINVAL;
	57	}
	58
dc1b36b2	59	return snd_soc_runtime_set_dai_fmt(rtd, fmt);
fff8491c PU	60	}
fff8491c PU	61
2261cf1c	62	static const struct snd_soc_ops omap_twl4030_ops = {
fff8491c PU	63	.hw_params = omap_twl4030_hw_params,
	64	};
	65
bd0b286e PU	66	static const struct snd_soc_dapm_widget dapm_widgets[] = {
	67	SND_SOC_DAPM_SPK("Earpiece Spk", NULL),
	68	SND_SOC_DAPM_SPK("Handsfree Spk", NULL),
	69	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
	70	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	71	SND_SOC_DAPM_SPK("Carkit Spk", NULL),
	72
	73	SND_SOC_DAPM_MIC("Main Mic", NULL),
	74	SND_SOC_DAPM_MIC("Sub Mic", NULL),
	75	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	76	SND_SOC_DAPM_MIC("Carkit Mic", NULL),
	77	SND_SOC_DAPM_MIC("Digital0 Mic", NULL),
	78	SND_SOC_DAPM_MIC("Digital1 Mic", NULL),
	79	SND_SOC_DAPM_LINE("Line In", NULL),
	80	};
	81
	82	static const struct snd_soc_dapm_route audio_map[] = {
	83	/* Headset Stereophone: HSOL, HSOR */
	84	{"Headset Stereophone", NULL, "HSOL"},
	85	{"Headset Stereophone", NULL, "HSOR"},
	86	/* External Speakers: HFL, HFR */
	87	{"Handsfree Spk", NULL, "HFL"},
	88	{"Handsfree Spk", NULL, "HFR"},
	89	/* External Speakers: PredrivL, PredrivR */
	90	{"Ext Spk", NULL, "PREDRIVEL"},
	91	{"Ext Spk", NULL, "PREDRIVER"},
	92	/* Carkit speakers: CARKITL, CARKITR */
	93	{"Carkit Spk", NULL, "CARKITL"},
	94	{"Carkit Spk", NULL, "CARKITR"},
	95	/* Earpiece */
	96	{"Earpiece Spk", NULL, "EARPIECE"},
	97
	98	/* External Mics: MAINMIC, SUBMIC with bias */
	99	{"MAINMIC", NULL, "Main Mic"},
	100	{"Main Mic", NULL, "Mic Bias 1"},
	101	{"SUBMIC", NULL, "Sub Mic"},
	102	{"Sub Mic", NULL, "Mic Bias 2"},
	103	/* Headset Mic: HSMIC with bias */
	104	{"HSMIC", NULL, "Headset Mic"},
	105	{"Headset Mic", NULL, "Headset Mic Bias"},
	106	/* Digital Mics: DIGIMIC0, DIGIMIC1 with bias */
	107	{"DIGIMIC0", NULL, "Digital0 Mic"},
	108	{"Digital0 Mic", NULL, "Mic Bias 1"},
	109	{"DIGIMIC1", NULL, "Digital1 Mic"},
	110	{"Digital1 Mic", NULL, "Mic Bias 2"},
	111	/* Carkit In: CARKITMIC */
	112	{"CARKITMIC", NULL, "Carkit Mic"},
	113	/* Aux In: AUXL, AUXR */
	114	{"AUXL", NULL, "Line In"},
	115	{"AUXR", NULL, "Line In"},
	116	};
	117
	118	/* Headset jack detection DAPM pins */
	119	static struct snd_soc_jack_pin hs_jack_pins[] = {
	120	{
	121	.pin = "Headset Mic",
	122	.mask = SND_JACK_MICROPHONE,
	123	},
	124	{
	125	.pin = "Headset Stereophone",
	126	.mask = SND_JACK_HEADPHONE,
	127	},
	128	};
	129
130	/* Headset jack detection gpios */
131	static struct snd_soc_jack_gpio hs_jack_gpios[] = {
132	{
133	.name = "hsdet-gpio",
134	.report = SND_JACK_HEADSET,
135	.debounce_time = 200,
136	},
137	};
138
139	static inline void twl4030_disconnect_pin(struct snd_soc_dapm_context *dapm,
140	int connected, char *pin)
141	{
142	if (!connected)
143	snd_soc_dapm_disable_pin(dapm, pin);
144	}
145
146	static int omap_twl4030_init(struct snd_soc_pcm_runtime *rtd)
147	{
0596f700	148	struct snd_soc_card *card = rtd->card;
a9843112	149	struct snd_soc_dapm_context *dapm = &card->dapm;
bd0b286e PU	150	struct omap_tw4030_pdata *pdata = dev_get_platdata(card->dev);
	151	struct omap_twl4030 *priv = snd_soc_card_get_drvdata(card);
	152	int ret = 0;
	153
	154	/* Headset jack detection only if it is supported */
	155	if (priv->jack_detect > 0) {
	156	hs_jack_gpios[0].gpio = priv->jack_detect;
	157
da21cf6d LPC	158	ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
	159	SND_JACK_HEADSET, &priv->hs_jack,
	160	hs_jack_pins,
	161	ARRAY_SIZE(hs_jack_pins));
bd0b286e PU	162	if (ret)
	163	return ret;
	164
	165	ret = snd_soc_jack_add_gpios(&priv->hs_jack,
	166	ARRAY_SIZE(hs_jack_gpios),
	167	hs_jack_gpios);
	168	if (ret)
	169	return ret;
	170	}
	171
	172	/*
	173	* NULL pdata means we booted with DT. In this case the routing is
	174	* provided and the card is fully routed, no need to mark pins.
	175	*/
	176	if (!pdata \|\| !pdata->custom_routing)
	177	return ret;
	178
	179	/* Disable not connected paths if not used */
	180	twl4030_disconnect_pin(dapm, pdata->has_ear, "Earpiece Spk");
	181	twl4030_disconnect_pin(dapm, pdata->has_hf, "Handsfree Spk");
	182	twl4030_disconnect_pin(dapm, pdata->has_hs, "Headset Stereophone");
	183	twl4030_disconnect_pin(dapm, pdata->has_predriv, "Ext Spk");
	184	twl4030_disconnect_pin(dapm, pdata->has_carkit, "Carkit Spk");
	185
	186	twl4030_disconnect_pin(dapm, pdata->has_mainmic, "Main Mic");
	187	twl4030_disconnect_pin(dapm, pdata->has_submic, "Sub Mic");
	188	twl4030_disconnect_pin(dapm, pdata->has_hsmic, "Headset Mic");
	189	twl4030_disconnect_pin(dapm, pdata->has_carkitmic, "Carkit Mic");
	190	twl4030_disconnect_pin(dapm, pdata->has_digimic0, "Digital0 Mic");
	191	twl4030_disconnect_pin(dapm, pdata->has_digimic1, "Digital1 Mic");
	192	twl4030_disconnect_pin(dapm, pdata->has_linein, "Line In");
	193
	194	return ret;
	195	}
	196
fff8491c PU	197	/* Digital audio interface glue - connects codec <--> CPU */
	198	static struct snd_soc_dai_link omap_twl4030_dai_links[] = {
	199	{
bd0b286e PU	200	.name = "TWL4030 HiFi",
bd0b286e PU	201	.stream_name = "TWL4030 HiFi",
fff8491c PU	202	.cpu_dai_name = "omap-mcbsp.2",
fff8491c PU	203	.codec_dai_name = "twl4030-hifi",
dc568f87	204	.platform_name = "omap-mcbsp.2",
fff8491c	205	.codec_name = "twl4030-codec",
bd0b286e	206	.init = omap_twl4030_init,
fff8491c PU	207	.ops = &omap_twl4030_ops,
fff8491c PU	208	},
bd0b286e PU	209	{
	210	.name = "TWL4030 Voice",
	211	.stream_name = "TWL4030 Voice",
	212	.cpu_dai_name = "omap-mcbsp.3",
	213	.codec_dai_name = "twl4030-voice",
fdaf42c0	214	.platform_name = "omap-mcbsp.3",
bd0b286e PU	215	.codec_name = "twl4030-codec",
	216	.dai_fmt = SND_SOC_DAIFMT_DSP_A \| SND_SOC_DAIFMT_IB_NF \|
	217	SND_SOC_DAIFMT_CBM_CFM,
	218	},
fff8491c PU	219	};
	220
	221	/* Audio machine driver */
	222	static struct snd_soc_card omap_twl4030_card = {
	223	.owner = THIS_MODULE,
	224	.dai_link = omap_twl4030_dai_links,
	225	.num_links = ARRAY_SIZE(omap_twl4030_dai_links),
bd0b286e PU	226
	227	.dapm_widgets = dapm_widgets,
	228	.num_dapm_widgets = ARRAY_SIZE(dapm_widgets),
	229	.dapm_routes = audio_map,
	230	.num_dapm_routes = ARRAY_SIZE(audio_map),
fff8491c PU	231	};
fff8491c PU	232
7ff60006	233	static int omap_twl4030_probe(struct platform_device *pdev)
fff8491c PU	234	{
	235	struct omap_tw4030_pdata *pdata = dev_get_platdata(&pdev->dev);
	236	struct device_node *node = pdev->dev.of_node;
	237	struct snd_soc_card *card = &omap_twl4030_card;
bd0b286e	238	struct omap_twl4030 *priv;
fff8491c PU	239	int ret = 0;
	240
	241	card->dev = &pdev->dev;
	242
bd0b286e PU	243	priv = devm_kzalloc(&pdev->dev, sizeof(struct omap_twl4030), GFP_KERNEL);
	244	if (priv == NULL)
	245	return -ENOMEM;
	246
fff8491c PU	247	if (node) {
fff8491c PU	248	struct device_node *dai_node;
bd0b286e	249	struct property *prop;
fff8491c PU	250
	251	if (snd_soc_of_parse_card_name(card, "ti,model")) {
	252	dev_err(&pdev->dev, "Card name is not provided\n");
	253	return -ENODEV;
	254	}
	255
	256	dai_node = of_parse_phandle(node, "ti,mcbsp", 0);
	257	if (!dai_node) {
	258	dev_err(&pdev->dev, "McBSP node is not provided\n");
	259	return -EINVAL;
	260	}
	261	omap_twl4030_dai_links[0].cpu_dai_name = NULL;
	262	omap_twl4030_dai_links[0].cpu_of_node = dai_node;
	263
dc568f87 PU	264	omap_twl4030_dai_links[0].platform_name = NULL;
	265	omap_twl4030_dai_links[0].platform_of_node = dai_node;
	266
bd0b286e PU	267	dai_node = of_parse_phandle(node, "ti,mcbsp-voice", 0);
	268	if (!dai_node) {
	269	card->num_links = 1;
	270	} else {
	271	omap_twl4030_dai_links[1].cpu_dai_name = NULL;
	272	omap_twl4030_dai_links[1].cpu_of_node = dai_node;
dc568f87 PU	273
	274	omap_twl4030_dai_links[1].platform_name = NULL;
	275	omap_twl4030_dai_links[1].platform_of_node = dai_node;
bd0b286e PU	276	}
	277
	278	priv->jack_detect = of_get_named_gpio(node,
	279	"ti,jack-det-gpio", 0);
	280
	281	/* Optional: audio routing can be provided */
	282	prop = of_find_property(node, "ti,audio-routing", NULL);
	283	if (prop) {
	284	ret = snd_soc_of_parse_audio_routing(card,
	285	"ti,audio-routing");
	286	if (ret)
	287	return ret;
	288
	289	card->fully_routed = 1;
	290	}
fff8491c PU	291	} else if (pdata) {
	292	if (pdata->card_name) {
	293	card->name = pdata->card_name;
	294	} else {
	295	dev_err(&pdev->dev, "Card name is not provided\n");
	296	return -ENODEV;
	297	}
bd0b286e PU	298
	299	if (!pdata->voice_connected)
	300	card->num_links = 1;
	301
	302	priv->jack_detect = pdata->jack_detect;
fff8491c PU	303	} else {
	304	dev_err(&pdev->dev, "Missing pdata\n");
	305	return -ENODEV;
	306	}
	307
bd0b286e	308	snd_soc_card_set_drvdata(card, priv);
67a48b81	309	ret = devm_snd_soc_register_card(&pdev->dev, card);
fff8491c	310	if (ret) {
67a48b81	311	dev_err(&pdev->dev, "devm_snd_soc_register_card() failed: %d\n",
fff8491c PU	312	ret);
	313	return ret;
	314	}
	315
	316	return 0;
	317	}
	318
fff8491c PU	319	static const struct of_device_id omap_twl4030_of_match[] = {
	320	{.compatible = "ti,omap-twl4030", },
	321	{ },
	322	};
	323	MODULE_DEVICE_TABLE(of, omap_twl4030_of_match);
	324
	325	static struct platform_driver omap_twl4030_driver = {
	326	.driver = {
	327	.name = "omap-twl4030",
fff8491c PU	328	.pm = &snd_soc_pm_ops,
	329	.of_match_table = omap_twl4030_of_match,
	330	},
	331	.probe = omap_twl4030_probe,
fff8491c PU	332	};
	333
	334	module_platform_driver(omap_twl4030_driver);
	335
	336	MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@ti.com>");
	337	MODULE_DESCRIPTION("ALSA SoC for TI SoC based boards with twl4030 codec");
	338	MODULE_LICENSE("GPL");
	339	MODULE_ALIAS("platform:omap-twl4030");