[linux.git] / sound / soc / omap / omap-abe-twl6040.c

/*
 * omap-abe-twl6040.c  --  SoC audio for TI OMAP based boards with ABE and
 *			   twl6040 codec
 *
 * Author: Misael Lopez Cruz <[email protected]>
 *
 * 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/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 <[email protected]>");
MODULE_DESCRIPTION("ALSA SoC for OMAP boards with ABE and twl6040 codec");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:omap-abe-twl6040");
Commit	Line	Data
5e64d6aa	1	/*
13f81d65 PU	2	* omap-abe-twl6040.c -- SoC audio for TI OMAP based boards with ABE and
13f81d65 PU	3	* twl6040 codec
5e64d6aa	4	*
8747a6b7	5	* Author: Misael Lopez Cruz <[email protected]>
5e64d6aa MLC	6	*
	7	* This program is free software; you can redistribute it and/or
	8	* modify it under the terms of the GNU General Public License
	9	* version 2 as published by the Free Software Foundation.
	10	*
	11	* This program is distributed in the hope that it will be useful, but
	12	* WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	* General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
	19	* 02110-1301 USA
	20	*
	21	*/
	22
	23	#include <linux/clk.h>
	24	#include <linux/platform_device.h>
fb34d3d5	25	#include <linux/mfd/twl6040.h>
da155d5b	26	#include <linux/module.h>
5ef75e71	27	#include <linux/of.h>
fb34d3d5	28
5e64d6aa MLC	29	#include <sound/core.h>
	30	#include <sound/pcm.h>
	31	#include <sound/soc.h>
96dc227c	32	#include <sound/jack.h>
5e64d6aa	33
6524c8e3	34	#include "omap-dmic.h"
f5f9d7bf	35	#include "omap-mcpdm.h"
5e64d6aa MLC	36	#include "../codecs/twl6040.h"
5e64d6aa MLC	37
356bccbe	38	struct abe_twl6040 {
76836fd3 PU	39	struct snd_soc_card card;
76836fd3 PU	40	struct snd_soc_dai_link dai_links[2];
356bccbe PU	41	int jack_detection; /* board can detect jack events */
	42	int mclk_freq; /* MCLK frequency speed for twl6040 */
	43	};
	44
510e419c	45	static struct platform_device *dmic_codec_dev;
21eb45db	46
13f81d65	47	static int omap_abe_hw_params(struct snd_pcm_substream *substream,
5e64d6aa MLC	48	struct snd_pcm_hw_params *params)
	49	{
	50	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad	51	struct snd_soc_dai *codec_dai = rtd->codec_dai;
0596f700	52	struct snd_soc_card *card = rtd->card;
356bccbe	53	struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
5e64d6aa MLC	54	int clk_id, freq;
	55	int ret;
	56
7480389f	57	clk_id = twl6040_get_clk_id(codec_dai->component);
af958c72	58	if (clk_id == TWL6040_SYSCLK_SEL_HPPLL)
356bccbe	59	freq = priv->mclk_freq;
af958c72	60	else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL)
5e64d6aa	61	freq = 32768;
af958c72 PU	62	else
af958c72 PU	63	return -EINVAL;
5e64d6aa MLC	64
	65	/* set the codec mclk */
	66	ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq,
	67	SND_SOC_CLOCK_IN);
	68	if (ret) {
	69	printk(KERN_ERR "can't set codec system clock\n");
	70	return ret;
	71	}
f0fba2ad	72	return ret;
5e64d6aa MLC	73	}
5e64d6aa MLC	74
2261cf1c	75	static const struct snd_soc_ops omap_abe_ops = {
13f81d65	76	.hw_params = omap_abe_hw_params,
5e64d6aa MLC	77	};
5e64d6aa MLC	78
13f81d65	79	static int omap_abe_dmic_hw_params(struct snd_pcm_substream *substream,
6524c8e3 PU	80	struct snd_pcm_hw_params *params)
	81	{
	82	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	83	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	84	int ret = 0;
	85
	86	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_SYSCLK_PAD_CLKS,
	87	19200000, SND_SOC_CLOCK_IN);
	88	if (ret < 0) {
	89	printk(KERN_ERR "can't set DMIC cpu system clock\n");
	90	return ret;
	91	}
	92	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_ABE_DMIC_CLK, 2400000,
	93	SND_SOC_CLOCK_OUT);
	94	if (ret < 0) {
	95	printk(KERN_ERR "can't set DMIC output clock\n");
	96	return ret;
	97	}
	98	return 0;
	99	}
	100
13f81d65 PU	101	static struct snd_soc_ops omap_abe_dmic_ops = {
13f81d65 PU	102	.hw_params = omap_abe_dmic_hw_params,
6524c8e3 PU	103	};
6524c8e3 PU	104
96dc227c JEC	105	/* Headset jack */
	106	static struct snd_soc_jack hs_jack;
	107
	108	/Headset jack detection DAPM pins /
	109	static struct snd_soc_jack_pin hs_jack_pins[] = {
	110	{
	111	.pin = "Headset Mic",
	112	.mask = SND_JACK_MICROPHONE,
	113	},
	114	{
	115	.pin = "Headset Stereophone",
	116	.mask = SND_JACK_HEADPHONE,
	117	},
	118	};
	119
5e64d6aa	120	/* SDP4430 machine DAPM */
13f81d65	121	static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
b3208839	122	/* Outputs */
5e64d6aa	123	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
7254e2bd	124	SND_SOC_DAPM_SPK("Earphone Spk", NULL),
b3208839 PU	125	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	126	SND_SOC_DAPM_LINE("Line Out", NULL),
	127	SND_SOC_DAPM_SPK("Vibrator", NULL),
	128
	129	/* Inputs */
	130	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	131	SND_SOC_DAPM_MIC("Main Handset Mic", NULL),
	132	SND_SOC_DAPM_MIC("Sub Handset Mic", NULL),
	133	SND_SOC_DAPM_LINE("Line In", NULL),
7d09f9e9 PU	134
	135	/* Digital microphones */
	136	SND_SOC_DAPM_MIC("Digital Mic", NULL),
5e64d6aa MLC	137	};
	138
	139	static const struct snd_soc_dapm_route audio_map[] = {
b3208839 PU	140	/* Routings for outputs */
	141	{"Headset Stereophone", NULL, "HSOL"},
	142	{"Headset Stereophone", NULL, "HSOR"},
	143
	144	{"Earphone Spk", NULL, "EP"},
5e64d6aa	145
5e64d6aa MLC	146	{"Ext Spk", NULL, "HFL"},
	147	{"Ext Spk", NULL, "HFR"},
	148
b3208839 PU	149	{"Line Out", NULL, "AUXL"},
	150	{"Line Out", NULL, "AUXR"},
	151
	152	{"Vibrator", NULL, "VIBRAL"},
	153	{"Vibrator", NULL, "VIBRAR"},
	154
	155	/* Routings for inputs */
778cee7a PU	156	{"HSMIC", NULL, "Headset Mic"},
778cee7a PU	157	{"Headset Mic", NULL, "Headset Mic Bias"},
5e64d6aa	158
b3208839 PU	159	{"MAINMIC", NULL, "Main Handset Mic"},
b3208839 PU	160	{"Main Handset Mic", NULL, "Main Mic Bias"},
7254e2bd	161
b3208839 PU	162	{"SUBMIC", NULL, "Sub Handset Mic"},
b3208839 PU	163	{"Sub Handset Mic", NULL, "Main Mic Bias"},
23ac3b61	164
b3208839 PU	165	{"AFML", NULL, "Line In"},
b3208839 PU	166	{"AFMR", NULL, "Line In"},
5e64d6aa MLC	167	};
5e64d6aa MLC	168
13f81d65	169	static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd)
5e64d6aa	170	{
7480389f	171	struct snd_soc_component *component = rtd->codec_dai->component;
0596f700	172	struct snd_soc_card *card = rtd->card;
356bccbe	173	struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
4ca07cb0 PU	174	int hs_trim;
	175	int ret = 0;
	176
7bf3d92c PU	177	/*
	178	* Configure McPDM offset cancellation based on the HSOTRIM value from
	179	* twl6040.
	180	*/
7480389f	181	hs_trim = twl6040_get_trim_value(component, TWL6040_TRIM_HSOTRIM);
7bf3d92c PU	182	omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim),
	183	TWL6040_HSF_TRIM_RIGHT(hs_trim));
	184
4ca07cb0	185	/* Headset jack detection only if it is supported */
356bccbe	186	if (priv->jack_detection) {
25649592 LPC	187	ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
	188	SND_JACK_HEADSET, &hs_jack,
	189	hs_jack_pins,
	190	ARRAY_SIZE(hs_jack_pins));
4ca07cb0 PU	191	if (ret)
4ca07cb0 PU	192	return ret;
96dc227c	193
7480389f	194	twl6040_hs_jack_detect(component, &hs_jack, SND_JACK_HEADSET);
4ca07cb0	195	}
5e64d6aa	196
25649592	197	return 0;
5e64d6aa MLC	198	}
5e64d6aa MLC	199
6524c8e3	200	static const struct snd_soc_dapm_route dmic_audio_map[] = {
778cee7a PU	201	{"DMic", NULL, "Digital Mic"},
778cee7a PU	202	{"Digital Mic", NULL, "Digital Mic1 Bias"},
6524c8e3 PU	203	};
6524c8e3 PU	204
13f81d65	205	static int omap_abe_dmic_init(struct snd_soc_pcm_runtime *rtd)
6524c8e3	206	{
7f0af4ae	207	struct snd_soc_dapm_context *dapm = &rtd->card->dapm;
6524c8e3 PU	208
	209	return snd_soc_dapm_add_routes(dapm, dmic_audio_map,
	210	ARRAY_SIZE(dmic_audio_map));
	211	}
	212
7ff60006	213	static int omap_abe_probe(struct platform_device *pdev)
5e64d6aa	214	{
5ef75e71	215	struct device_node *node = pdev->dev.of_node;
76836fd3	216	struct snd_soc_card *card;
8fe120b5	217	struct device_node *dai_node;
356bccbe	218	struct abe_twl6040 *priv;
c2f98956	219	int num_links = 0;
5ef75e71	220	int ret = 0;
5e64d6aa	221
8fe120b5 PU	222	if (!node) {
	223	dev_err(&pdev->dev, "of node is missing.\n");
	224	return -ENODEV;
	225	}
	226
356bccbe PU	227	priv = devm_kzalloc(&pdev->dev, sizeof(struct abe_twl6040), GFP_KERNEL);
	228	if (priv == NULL)
	229	return -ENOMEM;
	230
76836fd3 PU	231	card = &priv->card;
	232	card->dev = &pdev->dev;
	233	card->owner = THIS_MODULE;
	234	card->dapm_widgets = twl6040_dapm_widgets;
	235	card->num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets);
	236	card->dapm_routes = audio_map;
	237	card->num_dapm_routes = ARRAY_SIZE(audio_map);
	238
8fe120b5 PU	239	if (snd_soc_of_parse_card_name(card, "ti,model")) {
	240	dev_err(&pdev->dev, "Card name is not provided\n");
	241	return -ENODEV;
	242	}
5ef75e71	243
8fe120b5 PU	244	ret = snd_soc_of_parse_audio_routing(card, "ti,audio-routing");
	245	if (ret) {
	246	dev_err(&pdev->dev, "Error while parsing DAPM routing\n");
	247	return ret;
	248	}
5ef75e71	249
8fe120b5 PU	250	dai_node = of_parse_phandle(node, "ti,mcpdm", 0);
	251	if (!dai_node) {
	252	dev_err(&pdev->dev, "McPDM node is not provided\n");
	253	return -EINVAL;
	254	}
76836fd3 PU	255
	256	priv->dai_links[0].name = "DMIC";
	257	priv->dai_links[0].stream_name = "TWL6040";
	258	priv->dai_links[0].cpu_of_node = dai_node;
	259	priv->dai_links[0].platform_of_node = dai_node;
	260	priv->dai_links[0].codec_dai_name = "twl6040-legacy";
	261	priv->dai_links[0].codec_name = "twl6040-codec";
	262	priv->dai_links[0].init = omap_abe_twl6040_init;
	263	priv->dai_links[0].ops = &omap_abe_ops;
5ef75e71	264
8fe120b5 PU	265	dai_node = of_parse_phandle(node, "ti,dmic", 0);
	266	if (dai_node) {
	267	num_links = 2;
76836fd3 PU	268	priv->dai_links[1].name = "TWL6040";
	269	priv->dai_links[1].stream_name = "DMIC Capture";
	270	priv->dai_links[1].cpu_of_node = dai_node;
	271	priv->dai_links[1].platform_of_node = dai_node;
	272	priv->dai_links[1].codec_dai_name = "dmic-hifi";
	273	priv->dai_links[1].codec_name = "dmic-codec";
	274	priv->dai_links[1].init = omap_abe_dmic_init;
	275	priv->dai_links[1].ops = &omap_abe_dmic_ops;
d1be1d2f	276	} else {
8fe120b5 PU	277	num_links = 1;
	278	}
	279
	280	priv->jack_detection = of_property_read_bool(node, "ti,jack-detection");
	281	of_property_read_u32(node, "ti,mclk-freq", &priv->mclk_freq);
	282	if (!priv->mclk_freq) {
	283	dev_err(&pdev->dev, "MCLK frequency not provided\n");
21eb45db	284	return -EINVAL;
d1be1d2f	285	}
5e64d6aa	286
8fe120b5	287	card->fully_routed = 1;
356bccbe PU	288
356bccbe PU	289	if (!priv->mclk_freq) {
62ba98ce	290	dev_err(&pdev->dev, "MCLK frequency missing\n");
21eb45db	291	return -ENODEV;
62ba98ce PU	292	}
62ba98ce PU	293
76836fd3	294	card->dai_link = priv->dai_links;
c2f98956	295	card->num_links = num_links;
8d946dd7	296
356bccbe PU	297	snd_soc_card_set_drvdata(card, priv);
356bccbe PU	298
687df1ad	299	ret = devm_snd_soc_register_card(&pdev->dev, card);
21eb45db	300	if (ret)
687df1ad	301	dev_err(&pdev->dev, "devm_snd_soc_register_card() failed: %d\n",
d1be1d2f	302	ret);
5e64d6aa	303
5e64d6aa MLC	304	return ret;
5e64d6aa MLC	305	}
5e64d6aa	306
5ef75e71 PU	307	static const struct of_device_id omap_abe_of_match[] = {
	308	{.compatible = "ti,abe-twl6040", },
	309	{ },
	310	};
	311	MODULE_DEVICE_TABLE(of, omap_abe_of_match);
	312
d1be1d2f PU	313	static struct platform_driver omap_abe_driver = {
	314	.driver = {
	315	.name = "omap-abe-twl6040",
d1be1d2f	316	.pm = &snd_soc_pm_ops,
5ef75e71	317	.of_match_table = omap_abe_of_match,
d1be1d2f PU	318	},
d1be1d2f PU	319	.probe = omap_abe_probe,
d1be1d2f PU	320	};
d1be1d2f PU	321
21eb45db PU	322	static int __init omap_abe_init(void)
	323	{
	324	int ret;
	325
	326	dmic_codec_dev = platform_device_register_simple("dmic-codec", -1, NULL,
	327	0);
	328	if (IS_ERR(dmic_codec_dev)) {
	329	pr_err("%s: dmic-codec device registration failed\n", __func__);
	330	return PTR_ERR(dmic_codec_dev);
	331	}
	332
	333	ret = platform_driver_register(&omap_abe_driver);
	334	if (ret) {
	335	pr_err("%s: platform driver registration failed\n", __func__);
	336	platform_device_unregister(dmic_codec_dev);
	337	}
	338
	339	return ret;
	340	}
	341	module_init(omap_abe_init);
	342
	343	static void __exit omap_abe_exit(void)
	344	{
	345	platform_driver_unregister(&omap_abe_driver);
	346	platform_device_unregister(dmic_codec_dev);
	347	}
	348	module_exit(omap_abe_exit);
5e64d6aa	349
8747a6b7	350	MODULE_AUTHOR("Misael Lopez Cruz <[email protected]>");
13f81d65	351	MODULE_DESCRIPTION("ALSA SoC for OMAP boards with ABE and twl6040 codec");
5e64d6aa	352	MODULE_LICENSE("GPL");
d1be1d2f	353	MODULE_ALIAS("platform:omap-abe-twl6040");