[mirror_ubuntu-bionic-kernel.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 <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/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 {
	int	jack_detection;	/* board can detect jack events */
	int	mclk_freq;	/* MCLK frequency speed for twl6040 */
};

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(rtd->codec);
	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 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_codec *codec = rtd->codec;
	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(codec, 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(codec, &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));
}

/* Digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link abe_twl6040_dai_links[] = {
	{
		.name = "TWL6040",
		.stream_name = "TWL6040",
		.codec_dai_name = "twl6040-legacy",
		.codec_name = "twl6040-codec",
		.init = omap_abe_twl6040_init,
		.ops = &omap_abe_ops,
	},
	{
		.name = "DMIC",
		.stream_name = "DMIC Capture",
		.codec_dai_name = "dmic-hifi",
		.codec_name = "dmic-codec",
		.init = omap_abe_dmic_init,
		.ops = &omap_abe_dmic_ops,
	},
};

/* Audio machine driver */
static struct snd_soc_card omap_abe_card = {
	.owner = THIS_MODULE,

	.dapm_widgets = twl6040_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
	.dapm_routes = audio_map,
	.num_dapm_routes = ARRAY_SIZE(audio_map),
};

static int omap_abe_probe(struct platform_device *pdev)
{
	struct device_node *node = pdev->dev.of_node;
	struct snd_soc_card *card = &omap_abe_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;
	}

	card->dev = &pdev->dev;

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

	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;
	}
	abe_twl6040_dai_links[0].cpu_of_node = dai_node;
	abe_twl6040_dai_links[0].platform_of_node = dai_node;

	dai_node = of_parse_phandle(node, "ti,dmic", 0);
	if (dai_node) {
		num_links = 2;
		abe_twl6040_dai_links[1].cpu_of_node = dai_node;
		abe_twl6040_dai_links[1].platform_of_node = dai_node;
	} 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 = abe_twl6040_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
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 <misael.lopez@ti.com>
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 PU	38	struct abe_twl6040 {
	39	int jack_detection; /* board can detect jack events */
	40	int mclk_freq; /* MCLK frequency speed for twl6040 */
	41	};
	42
21eb45db PU	43	struct platform_device *dmic_codec_dev;
21eb45db PU	44
13f81d65	45	static int omap_abe_hw_params(struct snd_pcm_substream *substream,
5e64d6aa MLC	46	struct snd_pcm_hw_params *params)
	47	{
	48	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad	49	struct snd_soc_dai *codec_dai = rtd->codec_dai;
0596f700	50	struct snd_soc_card *card = rtd->card;
356bccbe	51	struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
5e64d6aa MLC	52	int clk_id, freq;
	53	int ret;
	54
af958c72 PU	55	clk_id = twl6040_get_clk_id(rtd->codec);
af958c72 PU	56	if (clk_id == TWL6040_SYSCLK_SEL_HPPLL)
356bccbe	57	freq = priv->mclk_freq;
af958c72	58	else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL)
5e64d6aa	59	freq = 32768;
af958c72 PU	60	else
af958c72 PU	61	return -EINVAL;
5e64d6aa MLC	62
	63	/* set the codec mclk */
	64	ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq,
	65	SND_SOC_CLOCK_IN);
	66	if (ret) {
	67	printk(KERN_ERR "can't set codec system clock\n");
	68	return ret;
	69	}
f0fba2ad	70	return ret;
5e64d6aa MLC	71	}
5e64d6aa MLC	72
13f81d65 PU	73	static struct snd_soc_ops omap_abe_ops = {
13f81d65 PU	74	.hw_params = omap_abe_hw_params,
5e64d6aa MLC	75	};
5e64d6aa MLC	76
13f81d65	77	static int omap_abe_dmic_hw_params(struct snd_pcm_substream *substream,
6524c8e3 PU	78	struct snd_pcm_hw_params *params)
	79	{
	80	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	81	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	82	int ret = 0;
	83
	84	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_SYSCLK_PAD_CLKS,
	85	19200000, SND_SOC_CLOCK_IN);
	86	if (ret < 0) {
	87	printk(KERN_ERR "can't set DMIC cpu system clock\n");
	88	return ret;
	89	}
	90	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_ABE_DMIC_CLK, 2400000,
	91	SND_SOC_CLOCK_OUT);
	92	if (ret < 0) {
	93	printk(KERN_ERR "can't set DMIC output clock\n");
	94	return ret;
	95	}
	96	return 0;
	97	}
	98
13f81d65 PU	99	static struct snd_soc_ops omap_abe_dmic_ops = {
13f81d65 PU	100	.hw_params = omap_abe_dmic_hw_params,
6524c8e3 PU	101	};
6524c8e3 PU	102
96dc227c JEC	103	/* Headset jack */
	104	static struct snd_soc_jack hs_jack;
	105
	106	/Headset jack detection DAPM pins /
	107	static struct snd_soc_jack_pin hs_jack_pins[] = {
	108	{
	109	.pin = "Headset Mic",
	110	.mask = SND_JACK_MICROPHONE,
	111	},
	112	{
	113	.pin = "Headset Stereophone",
	114	.mask = SND_JACK_HEADPHONE,
	115	},
	116	};
	117
5e64d6aa	118	/* SDP4430 machine DAPM */
13f81d65	119	static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
b3208839	120	/* Outputs */
5e64d6aa	121	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
7254e2bd	122	SND_SOC_DAPM_SPK("Earphone Spk", NULL),
b3208839 PU	123	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	124	SND_SOC_DAPM_LINE("Line Out", NULL),
	125	SND_SOC_DAPM_SPK("Vibrator", NULL),
	126
	127	/* Inputs */
	128	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	129	SND_SOC_DAPM_MIC("Main Handset Mic", NULL),
	130	SND_SOC_DAPM_MIC("Sub Handset Mic", NULL),
	131	SND_SOC_DAPM_LINE("Line In", NULL),
7d09f9e9 PU	132
	133	/* Digital microphones */
	134	SND_SOC_DAPM_MIC("Digital Mic", NULL),
5e64d6aa MLC	135	};
	136
	137	static const struct snd_soc_dapm_route audio_map[] = {
b3208839 PU	138	/* Routings for outputs */
	139	{"Headset Stereophone", NULL, "HSOL"},
	140	{"Headset Stereophone", NULL, "HSOR"},
	141
	142	{"Earphone Spk", NULL, "EP"},
5e64d6aa	143
5e64d6aa MLC	144	{"Ext Spk", NULL, "HFL"},
	145	{"Ext Spk", NULL, "HFR"},
	146
b3208839 PU	147	{"Line Out", NULL, "AUXL"},
	148	{"Line Out", NULL, "AUXR"},
	149
	150	{"Vibrator", NULL, "VIBRAL"},
	151	{"Vibrator", NULL, "VIBRAR"},
	152
	153	/* Routings for inputs */
778cee7a PU	154	{"HSMIC", NULL, "Headset Mic"},
778cee7a PU	155	{"Headset Mic", NULL, "Headset Mic Bias"},
5e64d6aa	156
b3208839 PU	157	{"MAINMIC", NULL, "Main Handset Mic"},
b3208839 PU	158	{"Main Handset Mic", NULL, "Main Mic Bias"},
7254e2bd	159
b3208839 PU	160	{"SUBMIC", NULL, "Sub Handset Mic"},
b3208839 PU	161	{"Sub Handset Mic", NULL, "Main Mic Bias"},
23ac3b61	162
b3208839 PU	163	{"AFML", NULL, "Line In"},
b3208839 PU	164	{"AFMR", NULL, "Line In"},
5e64d6aa MLC	165	};
5e64d6aa MLC	166
13f81d65	167	static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd)
5e64d6aa	168	{
f0fba2ad	169	struct snd_soc_codec *codec = rtd->codec;
0596f700	170	struct snd_soc_card *card = rtd->card;
356bccbe	171	struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
4ca07cb0 PU	172	int hs_trim;
	173	int ret = 0;
	174
7bf3d92c PU	175	/*
	176	* Configure McPDM offset cancellation based on the HSOTRIM value from
	177	* twl6040.
	178	*/
	179	hs_trim = twl6040_get_trim_value(codec, TWL6040_TRIM_HSOTRIM);
	180	omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim),
	181	TWL6040_HSF_TRIM_RIGHT(hs_trim));
	182
4ca07cb0	183	/* Headset jack detection only if it is supported */
356bccbe	184	if (priv->jack_detection) {
25649592 LPC	185	ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
	186	SND_JACK_HEADSET, &hs_jack,
	187	hs_jack_pins,
	188	ARRAY_SIZE(hs_jack_pins));
4ca07cb0 PU	189	if (ret)
4ca07cb0 PU	190	return ret;
96dc227c	191
96dc227c	192	twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET);
4ca07cb0	193	}
5e64d6aa	194
25649592	195	return 0;
5e64d6aa MLC	196	}
5e64d6aa MLC	197
6524c8e3	198	static const struct snd_soc_dapm_route dmic_audio_map[] = {
778cee7a PU	199	{"DMic", NULL, "Digital Mic"},
778cee7a PU	200	{"Digital Mic", NULL, "Digital Mic1 Bias"},
6524c8e3 PU	201	};
6524c8e3 PU	202
13f81d65	203	static int omap_abe_dmic_init(struct snd_soc_pcm_runtime *rtd)
6524c8e3	204	{
7f0af4ae	205	struct snd_soc_dapm_context *dapm = &rtd->card->dapm;
6524c8e3 PU	206
	207	return snd_soc_dapm_add_routes(dapm, dmic_audio_map,
	208	ARRAY_SIZE(dmic_audio_map));
	209	}
	210
5e64d6aa	211	/* Digital audio interface glue - connects codec <--> CPU */
c2f98956	212	static struct snd_soc_dai_link abe_twl6040_dai_links[] = {
6524c8e3 PU	213	{
	214	.name = "TWL6040",
	215	.stream_name = "TWL6040",
6524c8e3	216	.codec_dai_name = "twl6040-legacy",
6524c8e3	217	.codec_name = "twl6040-codec",
13f81d65 PU	218	.init = omap_abe_twl6040_init,
13f81d65 PU	219	.ops = &omap_abe_ops,
6524c8e3 PU	220	},
	221	{
	222	.name = "DMIC",
	223	.stream_name = "DMIC Capture",
6524c8e3	224	.codec_dai_name = "dmic-hifi",
6524c8e3	225	.codec_name = "dmic-codec",
13f81d65 PU	226	.init = omap_abe_dmic_init,
13f81d65 PU	227	.ops = &omap_abe_dmic_ops,
6524c8e3	228	},
5e64d6aa MLC	229	};
	230
	231	/* Audio machine driver */
13f81d65	232	static struct snd_soc_card omap_abe_card = {
b425b884	233	.owner = THIS_MODULE,
fc8e5b4c	234
13f81d65 PU	235	.dapm_widgets = twl6040_dapm_widgets,
13f81d65 PU	236	.num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
fc8e5b4c PU	237	.dapm_routes = audio_map,
fc8e5b4c PU	238	.num_dapm_routes = ARRAY_SIZE(audio_map),
5e64d6aa MLC	239	};
5e64d6aa MLC	240
7ff60006	241	static int omap_abe_probe(struct platform_device *pdev)
5e64d6aa	242	{
5ef75e71	243	struct device_node *node = pdev->dev.of_node;
d1be1d2f	244	struct snd_soc_card *card = &omap_abe_card;
8fe120b5	245	struct device_node *dai_node;
356bccbe	246	struct abe_twl6040 *priv;
c2f98956	247	int num_links = 0;
5ef75e71	248	int ret = 0;
5e64d6aa	249
8fe120b5 PU	250	if (!node) {
	251	dev_err(&pdev->dev, "of node is missing.\n");
	252	return -ENODEV;
	253	}
	254
d1be1d2f	255	card->dev = &pdev->dev;
5e64d6aa	256
356bccbe PU	257	priv = devm_kzalloc(&pdev->dev, sizeof(struct abe_twl6040), GFP_KERNEL);
	258	if (priv == NULL)
	259	return -ENOMEM;
	260
8fe120b5 PU	261	if (snd_soc_of_parse_card_name(card, "ti,model")) {
	262	dev_err(&pdev->dev, "Card name is not provided\n");
	263	return -ENODEV;
	264	}
5ef75e71	265
8fe120b5 PU	266	ret = snd_soc_of_parse_audio_routing(card, "ti,audio-routing");
	267	if (ret) {
	268	dev_err(&pdev->dev, "Error while parsing DAPM routing\n");
	269	return ret;
	270	}
5ef75e71	271
8fe120b5 PU	272	dai_node = of_parse_phandle(node, "ti,mcpdm", 0);
	273	if (!dai_node) {
	274	dev_err(&pdev->dev, "McPDM node is not provided\n");
	275	return -EINVAL;
	276	}
8fe120b5	277	abe_twl6040_dai_links[0].cpu_of_node = dai_node;
25bed461	278	abe_twl6040_dai_links[0].platform_of_node = dai_node;
5ef75e71	279
8fe120b5 PU	280	dai_node = of_parse_phandle(node, "ti,dmic", 0);
	281	if (dai_node) {
	282	num_links = 2;
8fe120b5	283	abe_twl6040_dai_links[1].cpu_of_node = dai_node;
25bed461	284	abe_twl6040_dai_links[1].platform_of_node = dai_node;
d1be1d2f	285	} else {
8fe120b5 PU	286	num_links = 1;
	287	}
	288
	289	priv->jack_detection = of_property_read_bool(node, "ti,jack-detection");
	290	of_property_read_u32(node, "ti,mclk-freq", &priv->mclk_freq);
	291	if (!priv->mclk_freq) {
	292	dev_err(&pdev->dev, "MCLK frequency not provided\n");
21eb45db	293	return -EINVAL;
d1be1d2f	294	}
5e64d6aa	295
8fe120b5	296	card->fully_routed = 1;
356bccbe PU	297
356bccbe PU	298	if (!priv->mclk_freq) {
62ba98ce	299	dev_err(&pdev->dev, "MCLK frequency missing\n");
21eb45db	300	return -ENODEV;
62ba98ce PU	301	}
62ba98ce PU	302
c2f98956 PU	303	card->dai_link = abe_twl6040_dai_links;
c2f98956 PU	304	card->num_links = num_links;
8d946dd7	305
356bccbe PU	306	snd_soc_card_set_drvdata(card, priv);
356bccbe PU	307
687df1ad	308	ret = devm_snd_soc_register_card(&pdev->dev, card);
21eb45db	309	if (ret)
687df1ad	310	dev_err(&pdev->dev, "devm_snd_soc_register_card() failed: %d\n",
d1be1d2f	311	ret);
5e64d6aa	312
5e64d6aa MLC	313	return ret;
5e64d6aa MLC	314	}
5e64d6aa	315
5ef75e71 PU	316	static const struct of_device_id omap_abe_of_match[] = {
	317	{.compatible = "ti,abe-twl6040", },
	318	{ },
	319	};
	320	MODULE_DEVICE_TABLE(of, omap_abe_of_match);
	321
d1be1d2f PU	322	static struct platform_driver omap_abe_driver = {
	323	.driver = {
	324	.name = "omap-abe-twl6040",
d1be1d2f	325	.pm = &snd_soc_pm_ops,
5ef75e71	326	.of_match_table = omap_abe_of_match,
d1be1d2f PU	327	},
d1be1d2f PU	328	.probe = omap_abe_probe,
d1be1d2f PU	329	};
d1be1d2f PU	330
21eb45db PU	331	static int __init omap_abe_init(void)
	332	{
	333	int ret;
	334
	335	dmic_codec_dev = platform_device_register_simple("dmic-codec", -1, NULL,
	336	0);
	337	if (IS_ERR(dmic_codec_dev)) {
	338	pr_err("%s: dmic-codec device registration failed\n", __func__);
	339	return PTR_ERR(dmic_codec_dev);
	340	}
	341
	342	ret = platform_driver_register(&omap_abe_driver);
	343	if (ret) {
	344	pr_err("%s: platform driver registration failed\n", __func__);
	345	platform_device_unregister(dmic_codec_dev);
	346	}
	347
	348	return ret;
	349	}
	350	module_init(omap_abe_init);
	351
	352	static void __exit omap_abe_exit(void)
	353	{
	354	platform_driver_unregister(&omap_abe_driver);
	355	platform_device_unregister(dmic_codec_dev);
	356	}
	357	module_exit(omap_abe_exit);
5e64d6aa	358
8747a6b7	359	MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>");
13f81d65	360	MODULE_DESCRIPTION("ALSA SoC for OMAP boards with ABE and twl6040 codec");
5e64d6aa	361	MODULE_LICENSE("GPL");
d1be1d2f	362	MODULE_ALIAS("platform:omap-abe-twl6040");