[mirror_ubuntu-focal-kernel.git] / sound / soc / ti / omap-abe-twl6040.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * omap-abe-twl6040.c  --  SoC audio for TI OMAP based boards with ABE and
 *			   twl6040 codec
 *
 * Author: Misael Lopez Cruz <misael.lopez@ti.com>
 */

#include <linux/clk.h>
#include <linux/platform_device.h>
#include <linux/mfd/twl6040.h>
#include <linux/module.h>
#include <linux/of.h>

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

#include "omap-dmic.h"
#include "omap-mcpdm.h"
#include "../codecs/twl6040.h"

struct abe_twl6040 {
	struct snd_soc_card card;
	struct snd_soc_dai_link dai_links[2];
	int	jack_detection;	/* board can detect jack events */
	int	mclk_freq;	/* MCLK frequency speed for twl6040 */
};

static struct platform_device *dmic_codec_dev;

static int omap_abe_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 abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
	int clk_id, freq;
	int ret;

	clk_id = twl6040_get_clk_id(codec_dai->component);
	if (clk_id == TWL6040_SYSCLK_SEL_HPPLL)
		freq = priv->mclk_freq;
	else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL)
		freq = 32768;
	else
		return -EINVAL;

	/* set the codec mclk */
	ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq,
				SND_SOC_CLOCK_IN);
	if (ret) {
		printk(KERN_ERR "can't set codec system clock\n");
		return ret;
	}
	return ret;
}

static const struct snd_soc_ops omap_abe_ops = {
	.hw_params = omap_abe_hw_params,
};

static int omap_abe_dmic_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 *cpu_dai = rtd->cpu_dai;
	int ret = 0;

	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_SYSCLK_PAD_CLKS,
				     19200000, SND_SOC_CLOCK_IN);
	if (ret < 0) {
		printk(KERN_ERR "can't set DMIC cpu system clock\n");
		return ret;
	}
	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_ABE_DMIC_CLK, 2400000,
				     SND_SOC_CLOCK_OUT);
	if (ret < 0) {
		printk(KERN_ERR "can't set DMIC output clock\n");
		return ret;
	}
	return 0;
}

static struct snd_soc_ops omap_abe_dmic_ops = {
	.hw_params = omap_abe_dmic_hw_params,
};

/* Headset jack */
static struct snd_soc_jack hs_jack;

/*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,
	},
};

/* SDP4430 machine DAPM */
static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
	/* Outputs */
	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
	SND_SOC_DAPM_SPK("Earphone Spk", NULL),
	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	SND_SOC_DAPM_LINE("Line Out", NULL),
	SND_SOC_DAPM_SPK("Vibrator", NULL),

	/* Inputs */
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_MIC("Main Handset Mic", NULL),
	SND_SOC_DAPM_MIC("Sub Handset Mic", NULL),
	SND_SOC_DAPM_LINE("Line In", NULL),

	/* Digital microphones */
	SND_SOC_DAPM_MIC("Digital Mic", NULL),
};

static const struct snd_soc_dapm_route audio_map[] = {
	/* Routings for outputs */
	{"Headset Stereophone", NULL, "HSOL"},
	{"Headset Stereophone", NULL, "HSOR"},

	{"Earphone Spk", NULL, "EP"},

	{"Ext Spk", NULL, "HFL"},
	{"Ext Spk", NULL, "HFR"},

	{"Line Out", NULL, "AUXL"},
	{"Line Out", NULL, "AUXR"},

	{"Vibrator", NULL, "VIBRAL"},
	{"Vibrator", NULL, "VIBRAR"},

	/* Routings for inputs */
	{"HSMIC", NULL, "Headset Mic"},
	{"Headset Mic", NULL, "Headset Mic Bias"},

	{"MAINMIC", NULL, "Main Handset Mic"},
	{"Main Handset Mic", NULL, "Main Mic Bias"},

	{"SUBMIC", NULL, "Sub Handset Mic"},
	{"Sub Handset Mic", NULL, "Main Mic Bias"},

	{"AFML", NULL, "Line In"},
	{"AFMR", NULL, "Line In"},
};

static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_component *component = rtd->codec_dai->component;
	struct snd_soc_card *card = rtd->card;
	struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
	int hs_trim;
	int ret = 0;

	/*
	 * Configure McPDM offset cancellation based on the HSOTRIM value from
	 * twl6040.
	 */
	hs_trim = twl6040_get_trim_value(component, TWL6040_TRIM_HSOTRIM);
	omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim),
					TWL6040_HSF_TRIM_RIGHT(hs_trim));

	/* Headset jack detection only if it is supported */
	if (priv->jack_detection) {
		ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
					    SND_JACK_HEADSET, &hs_jack,
					    hs_jack_pins,
					    ARRAY_SIZE(hs_jack_pins));
		if (ret)
			return ret;

		twl6040_hs_jack_detect(component, &hs_jack, SND_JACK_HEADSET);
	}

	return 0;
}

static const struct snd_soc_dapm_route dmic_audio_map[] = {
	{"DMic", NULL, "Digital Mic"},
	{"Digital Mic", NULL, "Digital Mic1 Bias"},
};

static int omap_abe_dmic_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_dapm_context *dapm = &rtd->card->dapm;

	return snd_soc_dapm_add_routes(dapm, dmic_audio_map,
				ARRAY_SIZE(dmic_audio_map));
}

static int omap_abe_probe(struct platform_device *pdev)
{
	struct device_node *node = pdev->dev.of_node;
	struct snd_soc_card *card;
	struct device_node *dai_node;
	struct abe_twl6040 *priv;
	int num_links = 0;
	int ret = 0;

	if (!node) {
		dev_err(&pdev->dev, "of node is missing.\n");
		return -ENODEV;
	}

	priv = devm_kzalloc(&pdev->dev, sizeof(struct abe_twl6040), GFP_KERNEL);
	if (priv == NULL)
		return -ENOMEM;

	card = &priv->card;
	card->dev = &pdev->dev;
	card->owner = THIS_MODULE;
	card->dapm_widgets = twl6040_dapm_widgets;
	card->num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets);
	card->dapm_routes = audio_map;
	card->num_dapm_routes = ARRAY_SIZE(audio_map);

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

	ret = snd_soc_of_parse_audio_routing(card, "ti,audio-routing");
	if (ret) {
		dev_err(&pdev->dev, "Error while parsing DAPM routing\n");
		return ret;
	}

	dai_node = of_parse_phandle(node, "ti,mcpdm", 0);
	if (!dai_node) {
		dev_err(&pdev->dev, "McPDM node is not provided\n");
		return -EINVAL;
	}

	priv->dai_links[0].name = "DMIC";
	priv->dai_links[0].stream_name = "TWL6040";
	priv->dai_links[0].cpu_of_node = dai_node;
	priv->dai_links[0].platform_of_node = dai_node;
	priv->dai_links[0].codec_dai_name = "twl6040-legacy";
	priv->dai_links[0].codec_name = "twl6040-codec";
	priv->dai_links[0].init = omap_abe_twl6040_init;
	priv->dai_links[0].ops = &omap_abe_ops;

	dai_node = of_parse_phandle(node, "ti,dmic", 0);
	if (dai_node) {
		num_links = 2;
		priv->dai_links[1].name = "TWL6040";
		priv->dai_links[1].stream_name = "DMIC Capture";
		priv->dai_links[1].cpu_of_node = dai_node;
		priv->dai_links[1].platform_of_node = dai_node;
		priv->dai_links[1].codec_dai_name = "dmic-hifi";
		priv->dai_links[1].codec_name = "dmic-codec";
		priv->dai_links[1].init = omap_abe_dmic_init;
		priv->dai_links[1].ops = &omap_abe_dmic_ops;
	} else {
		num_links = 1;
	}

	priv->jack_detection = of_property_read_bool(node, "ti,jack-detection");
	of_property_read_u32(node, "ti,mclk-freq", &priv->mclk_freq);
	if (!priv->mclk_freq) {
		dev_err(&pdev->dev, "MCLK frequency not provided\n");
		return -EINVAL;
	}

	card->fully_routed = 1;

	if (!priv->mclk_freq) {
		dev_err(&pdev->dev, "MCLK frequency missing\n");
		return -ENODEV;
	}

	card->dai_link = priv->dai_links;
	card->num_links = num_links;

	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;
}

static const struct of_device_id omap_abe_of_match[] = {
	{.compatible = "ti,abe-twl6040", },
	{ },
};
MODULE_DEVICE_TABLE(of, omap_abe_of_match);

static struct platform_driver omap_abe_driver = {
	.driver = {
		.name = "omap-abe-twl6040",
		.pm = &snd_soc_pm_ops,
		.of_match_table = omap_abe_of_match,
	},
	.probe = omap_abe_probe,
};

static int __init omap_abe_init(void)
{
	int ret;

	dmic_codec_dev = platform_device_register_simple("dmic-codec", -1, NULL,
							 0);
	if (IS_ERR(dmic_codec_dev)) {
		pr_err("%s: dmic-codec device registration failed\n", __func__);
		return PTR_ERR(dmic_codec_dev);
	}

	ret = platform_driver_register(&omap_abe_driver);
	if (ret) {
		pr_err("%s: platform driver registration failed\n", __func__);
		platform_device_unregister(dmic_codec_dev);
	}

	return ret;
}
module_init(omap_abe_init);

static void __exit omap_abe_exit(void)
{
	platform_driver_unregister(&omap_abe_driver);
	platform_device_unregister(dmic_codec_dev);
}
module_exit(omap_abe_exit);

MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>");
MODULE_DESCRIPTION("ALSA SoC for OMAP boards with ABE and twl6040 codec");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:omap-abe-twl6040");
Commit	Line	Data
2b27bdcc	1	// SPDX-License-Identifier: GPL-2.0-only
5e64d6aa	2	/*
13f81d65 PU	3	* omap-abe-twl6040.c -- SoC audio for TI OMAP based boards with ABE and
13f81d65 PU	4	* twl6040 codec
5e64d6aa	5	*
8747a6b7	6	* Author: Misael Lopez Cruz <misael.lopez@ti.com>
5e64d6aa MLC	7	*/
	8
	9	#include <linux/clk.h>
	10	#include <linux/platform_device.h>
fb34d3d5	11	#include <linux/mfd/twl6040.h>
da155d5b	12	#include <linux/module.h>
5ef75e71	13	#include <linux/of.h>
fb34d3d5	14
5e64d6aa MLC	15	#include <sound/core.h>
	16	#include <sound/pcm.h>
	17	#include <sound/soc.h>
96dc227c	18	#include <sound/jack.h>
5e64d6aa	19
6524c8e3	20	#include "omap-dmic.h"
f5f9d7bf	21	#include "omap-mcpdm.h"
5e64d6aa MLC	22	#include "../codecs/twl6040.h"
5e64d6aa MLC	23
356bccbe	24	struct abe_twl6040 {
76836fd3 PU	25	struct snd_soc_card card;
76836fd3 PU	26	struct snd_soc_dai_link dai_links[2];
356bccbe PU	27	int jack_detection; /* board can detect jack events */
	28	int mclk_freq; /* MCLK frequency speed for twl6040 */
	29	};
	30
510e419c	31	static struct platform_device *dmic_codec_dev;
21eb45db	32
13f81d65	33	static int omap_abe_hw_params(struct snd_pcm_substream *substream,
5e64d6aa MLC	34	struct snd_pcm_hw_params *params)
	35	{
	36	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad	37	struct snd_soc_dai *codec_dai = rtd->codec_dai;
0596f700	38	struct snd_soc_card *card = rtd->card;
356bccbe	39	struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
5e64d6aa MLC	40	int clk_id, freq;
	41	int ret;
	42
7480389f	43	clk_id = twl6040_get_clk_id(codec_dai->component);
af958c72	44	if (clk_id == TWL6040_SYSCLK_SEL_HPPLL)
356bccbe	45	freq = priv->mclk_freq;
af958c72	46	else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL)
5e64d6aa	47	freq = 32768;
af958c72 PU	48	else
af958c72 PU	49	return -EINVAL;
5e64d6aa MLC	50
	51	/* set the codec mclk */
	52	ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq,
	53	SND_SOC_CLOCK_IN);
	54	if (ret) {
	55	printk(KERN_ERR "can't set codec system clock\n");
	56	return ret;
	57	}
f0fba2ad	58	return ret;
5e64d6aa MLC	59	}
5e64d6aa MLC	60
2261cf1c	61	static const struct snd_soc_ops omap_abe_ops = {
13f81d65	62	.hw_params = omap_abe_hw_params,
5e64d6aa MLC	63	};
5e64d6aa MLC	64
13f81d65	65	static int omap_abe_dmic_hw_params(struct snd_pcm_substream *substream,
6524c8e3 PU	66	struct snd_pcm_hw_params *params)
	67	{
	68	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	69	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	70	int ret = 0;
	71
	72	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_SYSCLK_PAD_CLKS,
	73	19200000, SND_SOC_CLOCK_IN);
	74	if (ret < 0) {
	75	printk(KERN_ERR "can't set DMIC cpu system clock\n");
	76	return ret;
	77	}
	78	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_ABE_DMIC_CLK, 2400000,
	79	SND_SOC_CLOCK_OUT);
	80	if (ret < 0) {
	81	printk(KERN_ERR "can't set DMIC output clock\n");
	82	return ret;
	83	}
	84	return 0;
	85	}
	86
13f81d65 PU	87	static struct snd_soc_ops omap_abe_dmic_ops = {
13f81d65 PU	88	.hw_params = omap_abe_dmic_hw_params,
6524c8e3 PU	89	};
6524c8e3 PU	90
96dc227c JEC	91	/* Headset jack */
	92	static struct snd_soc_jack hs_jack;
	93
	94	/Headset jack detection DAPM pins /
	95	static struct snd_soc_jack_pin hs_jack_pins[] = {
	96	{
	97	.pin = "Headset Mic",
	98	.mask = SND_JACK_MICROPHONE,
	99	},
	100	{
	101	.pin = "Headset Stereophone",
	102	.mask = SND_JACK_HEADPHONE,
	103	},
	104	};
	105
5e64d6aa	106	/* SDP4430 machine DAPM */
13f81d65	107	static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
b3208839	108	/* Outputs */
5e64d6aa	109	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
7254e2bd	110	SND_SOC_DAPM_SPK("Earphone Spk", NULL),
b3208839 PU	111	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	112	SND_SOC_DAPM_LINE("Line Out", NULL),
	113	SND_SOC_DAPM_SPK("Vibrator", NULL),
	114
	115	/* Inputs */
	116	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	117	SND_SOC_DAPM_MIC("Main Handset Mic", NULL),
	118	SND_SOC_DAPM_MIC("Sub Handset Mic", NULL),
	119	SND_SOC_DAPM_LINE("Line In", NULL),
7d09f9e9 PU	120
	121	/* Digital microphones */
	122	SND_SOC_DAPM_MIC("Digital Mic", NULL),
5e64d6aa MLC	123	};
	124
	125	static const struct snd_soc_dapm_route audio_map[] = {
b3208839 PU	126	/* Routings for outputs */
	127	{"Headset Stereophone", NULL, "HSOL"},
	128	{"Headset Stereophone", NULL, "HSOR"},
	129
	130	{"Earphone Spk", NULL, "EP"},
5e64d6aa	131
5e64d6aa MLC	132	{"Ext Spk", NULL, "HFL"},
	133	{"Ext Spk", NULL, "HFR"},
	134
b3208839 PU	135	{"Line Out", NULL, "AUXL"},
	136	{"Line Out", NULL, "AUXR"},
	137
	138	{"Vibrator", NULL, "VIBRAL"},
	139	{"Vibrator", NULL, "VIBRAR"},
	140
	141	/* Routings for inputs */
778cee7a PU	142	{"HSMIC", NULL, "Headset Mic"},
778cee7a PU	143	{"Headset Mic", NULL, "Headset Mic Bias"},
5e64d6aa	144
b3208839 PU	145	{"MAINMIC", NULL, "Main Handset Mic"},
b3208839 PU	146	{"Main Handset Mic", NULL, "Main Mic Bias"},
7254e2bd	147
b3208839 PU	148	{"SUBMIC", NULL, "Sub Handset Mic"},
b3208839 PU	149	{"Sub Handset Mic", NULL, "Main Mic Bias"},
23ac3b61	150
b3208839 PU	151	{"AFML", NULL, "Line In"},
b3208839 PU	152	{"AFMR", NULL, "Line In"},
5e64d6aa MLC	153	};
5e64d6aa MLC	154
13f81d65	155	static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd)
5e64d6aa	156	{
7480389f	157	struct snd_soc_component *component = rtd->codec_dai->component;
0596f700	158	struct snd_soc_card *card = rtd->card;
356bccbe	159	struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
4ca07cb0 PU	160	int hs_trim;
	161	int ret = 0;
	162
7bf3d92c PU	163	/*
	164	* Configure McPDM offset cancellation based on the HSOTRIM value from
	165	* twl6040.
	166	*/
7480389f	167	hs_trim = twl6040_get_trim_value(component, TWL6040_TRIM_HSOTRIM);
7bf3d92c PU	168	omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim),
	169	TWL6040_HSF_TRIM_RIGHT(hs_trim));
	170
4ca07cb0	171	/* Headset jack detection only if it is supported */
356bccbe	172	if (priv->jack_detection) {
25649592 LPC	173	ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
	174	SND_JACK_HEADSET, &hs_jack,
	175	hs_jack_pins,
	176	ARRAY_SIZE(hs_jack_pins));
4ca07cb0 PU	177	if (ret)
4ca07cb0 PU	178	return ret;
96dc227c	179
7480389f	180	twl6040_hs_jack_detect(component, &hs_jack, SND_JACK_HEADSET);
4ca07cb0	181	}
5e64d6aa	182
25649592	183	return 0;
5e64d6aa MLC	184	}
5e64d6aa MLC	185
6524c8e3	186	static const struct snd_soc_dapm_route dmic_audio_map[] = {
778cee7a PU	187	{"DMic", NULL, "Digital Mic"},
778cee7a PU	188	{"Digital Mic", NULL, "Digital Mic1 Bias"},
6524c8e3 PU	189	};
6524c8e3 PU	190
13f81d65	191	static int omap_abe_dmic_init(struct snd_soc_pcm_runtime *rtd)
6524c8e3	192	{
7f0af4ae	193	struct snd_soc_dapm_context *dapm = &rtd->card->dapm;
6524c8e3 PU	194
	195	return snd_soc_dapm_add_routes(dapm, dmic_audio_map,
	196	ARRAY_SIZE(dmic_audio_map));
	197	}
	198
7ff60006	199	static int omap_abe_probe(struct platform_device *pdev)
5e64d6aa	200	{
5ef75e71	201	struct device_node *node = pdev->dev.of_node;
76836fd3	202	struct snd_soc_card *card;
8fe120b5	203	struct device_node *dai_node;
356bccbe	204	struct abe_twl6040 *priv;
c2f98956	205	int num_links = 0;
5ef75e71	206	int ret = 0;
5e64d6aa	207
8fe120b5 PU	208	if (!node) {
	209	dev_err(&pdev->dev, "of node is missing.\n");
	210	return -ENODEV;
	211	}
	212
356bccbe PU	213	priv = devm_kzalloc(&pdev->dev, sizeof(struct abe_twl6040), GFP_KERNEL);
	214	if (priv == NULL)
	215	return -ENOMEM;
	216
76836fd3 PU	217	card = &priv->card;
	218	card->dev = &pdev->dev;
	219	card->owner = THIS_MODULE;
	220	card->dapm_widgets = twl6040_dapm_widgets;
	221	card->num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets);
	222	card->dapm_routes = audio_map;
	223	card->num_dapm_routes = ARRAY_SIZE(audio_map);
	224
8fe120b5 PU	225	if (snd_soc_of_parse_card_name(card, "ti,model")) {
	226	dev_err(&pdev->dev, "Card name is not provided\n");
	227	return -ENODEV;
	228	}
5ef75e71	229
8fe120b5 PU	230	ret = snd_soc_of_parse_audio_routing(card, "ti,audio-routing");
	231	if (ret) {
	232	dev_err(&pdev->dev, "Error while parsing DAPM routing\n");
	233	return ret;
	234	}
5ef75e71	235
8fe120b5 PU	236	dai_node = of_parse_phandle(node, "ti,mcpdm", 0);
	237	if (!dai_node) {
	238	dev_err(&pdev->dev, "McPDM node is not provided\n");
	239	return -EINVAL;
	240	}
76836fd3 PU	241
	242	priv->dai_links[0].name = "DMIC";
	243	priv->dai_links[0].stream_name = "TWL6040";
	244	priv->dai_links[0].cpu_of_node = dai_node;
	245	priv->dai_links[0].platform_of_node = dai_node;
	246	priv->dai_links[0].codec_dai_name = "twl6040-legacy";
	247	priv->dai_links[0].codec_name = "twl6040-codec";
	248	priv->dai_links[0].init = omap_abe_twl6040_init;
	249	priv->dai_links[0].ops = &omap_abe_ops;
5ef75e71	250
8fe120b5 PU	251	dai_node = of_parse_phandle(node, "ti,dmic", 0);
	252	if (dai_node) {
	253	num_links = 2;
76836fd3 PU	254	priv->dai_links[1].name = "TWL6040";
	255	priv->dai_links[1].stream_name = "DMIC Capture";
	256	priv->dai_links[1].cpu_of_node = dai_node;
	257	priv->dai_links[1].platform_of_node = dai_node;
	258	priv->dai_links[1].codec_dai_name = "dmic-hifi";
	259	priv->dai_links[1].codec_name = "dmic-codec";
	260	priv->dai_links[1].init = omap_abe_dmic_init;
	261	priv->dai_links[1].ops = &omap_abe_dmic_ops;
d1be1d2f	262	} else {
8fe120b5 PU	263	num_links = 1;
	264	}
	265
	266	priv->jack_detection = of_property_read_bool(node, "ti,jack-detection");
	267	of_property_read_u32(node, "ti,mclk-freq", &priv->mclk_freq);
	268	if (!priv->mclk_freq) {
	269	dev_err(&pdev->dev, "MCLK frequency not provided\n");
21eb45db	270	return -EINVAL;
d1be1d2f	271	}
5e64d6aa	272
8fe120b5	273	card->fully_routed = 1;
356bccbe PU	274
356bccbe PU	275	if (!priv->mclk_freq) {
62ba98ce	276	dev_err(&pdev->dev, "MCLK frequency missing\n");
21eb45db	277	return -ENODEV;
62ba98ce PU	278	}
62ba98ce PU	279
76836fd3	280	card->dai_link = priv->dai_links;
c2f98956	281	card->num_links = num_links;
8d946dd7	282
356bccbe PU	283	snd_soc_card_set_drvdata(card, priv);
356bccbe PU	284
687df1ad	285	ret = devm_snd_soc_register_card(&pdev->dev, card);
21eb45db	286	if (ret)
687df1ad	287	dev_err(&pdev->dev, "devm_snd_soc_register_card() failed: %d\n",
d1be1d2f	288	ret);
5e64d6aa	289
5e64d6aa MLC	290	return ret;
5e64d6aa MLC	291	}
5e64d6aa	292
5ef75e71 PU	293	static const struct of_device_id omap_abe_of_match[] = {
	294	{.compatible = "ti,abe-twl6040", },
	295	{ },
	296	};
	297	MODULE_DEVICE_TABLE(of, omap_abe_of_match);
	298
d1be1d2f PU	299	static struct platform_driver omap_abe_driver = {
	300	.driver = {
	301	.name = "omap-abe-twl6040",
d1be1d2f	302	.pm = &snd_soc_pm_ops,
5ef75e71	303	.of_match_table = omap_abe_of_match,
d1be1d2f PU	304	},
d1be1d2f PU	305	.probe = omap_abe_probe,
d1be1d2f PU	306	};
d1be1d2f PU	307
21eb45db PU	308	static int __init omap_abe_init(void)
	309	{
	310	int ret;
	311
	312	dmic_codec_dev = platform_device_register_simple("dmic-codec", -1, NULL,
	313	0);
	314	if (IS_ERR(dmic_codec_dev)) {
	315	pr_err("%s: dmic-codec device registration failed\n", __func__);
	316	return PTR_ERR(dmic_codec_dev);
	317	}
	318
	319	ret = platform_driver_register(&omap_abe_driver);
	320	if (ret) {
	321	pr_err("%s: platform driver registration failed\n", __func__);
	322	platform_device_unregister(dmic_codec_dev);
	323	}
	324
	325	return ret;
	326	}
	327	module_init(omap_abe_init);
	328
	329	static void __exit omap_abe_exit(void)
	330	{
	331	platform_driver_unregister(&omap_abe_driver);
	332	platform_device_unregister(dmic_codec_dev);
	333	}
	334	module_exit(omap_abe_exit);
5e64d6aa	335
8747a6b7	336	MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>");
13f81d65	337	MODULE_DESCRIPTION("ALSA SoC for OMAP boards with ABE and twl6040 codec");
5e64d6aa	338	MODULE_LICENSE("GPL");
d1be1d2f	339	MODULE_ALIAS("platform:omap-abe-twl6040");