[deliverable/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 <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_codec *codec = rtd->codec;
	struct snd_soc_card *card = codec->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 = codec->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_jack_new(codec, "Headset Jack",
					SND_JACK_HEADSET, &hs_jack);
		if (ret)
			return ret;

		ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
					hs_jack_pins);
		twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET);
	}

	return ret;
}

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",
		.cpu_dai_name = "omap-mcpdm",
		.codec_dai_name = "twl6040-legacy",
		.platform_name = "omap-pcm-audio",
		.codec_name = "twl6040-codec",
		.init = omap_abe_twl6040_init,
		.ops = &omap_abe_ops,
	},
	{
		.name = "DMIC",
		.stream_name = "DMIC Capture",
		.cpu_dai_name = "omap-dmic",
		.codec_dai_name = "dmic-hifi",
		.platform_name = "omap-pcm-audio",
		.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;

	priv->dmic_codec_dev = ERR_PTR(-EINVAL);

	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_dai_name  = NULL;
	abe_twl6040_dai_links[0].cpu_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_dai_name  = NULL;
		abe_twl6040_dai_links[1].cpu_of_node = dai_node;

		priv->dmic_codec_dev = platform_device_register_simple(
						"dmic-codec", -1, NULL, 0);
		if (IS_ERR(priv->dmic_codec_dev)) {
			dev_err(&pdev->dev, "Can't instantiate dmic-codec\n");
			return PTR_ERR(priv->dmic_codec_dev);
		}
	} 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");
		ret = -EINVAL;
		goto err_unregister;
	}

	card->fully_routed = 1;

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

	card->dai_link = abe_twl6040_dai_links;
	card->num_links = num_links;

	snd_soc_card_set_drvdata(card, priv);

	ret = snd_soc_register_card(card);
	if (ret) {
		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
			ret);
		goto err_unregister;
	}

	return 0;

err_unregister:
	if (!IS_ERR(priv->dmic_codec_dev))
		platform_device_unregister(priv->dmic_codec_dev);

	return ret;
}

static int omap_abe_remove(struct platform_device *pdev)
{
	struct snd_soc_card *card = platform_get_drvdata(pdev);
	struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);

	snd_soc_unregister_card(card);

	if (!IS_ERR(priv->dmic_codec_dev))
		platform_device_unregister(priv->dmic_codec_dev);

	return 0;
}

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",
		.owner = THIS_MODULE,
		.pm = &snd_soc_pm_ops,
		.of_match_table = omap_abe_of_match,
	},
	.probe = omap_abe_probe,
	.remove = omap_abe_remove,
};

module_platform_driver(omap_abe_driver);

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 */
5ef75e71 PU	41
5ef75e71 PU	42	struct platform_device *dmic_codec_dev;
356bccbe PU	43	};
356bccbe 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;
62ba98ce PU	50	struct snd_soc_codec *codec = rtd->codec;
62ba98ce PU	51	struct snd_soc_card *card = codec->card;
356bccbe	52	struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
5e64d6aa MLC	53	int clk_id, freq;
	54	int ret;
	55
af958c72 PU	56	clk_id = twl6040_get_clk_id(rtd->codec);
af958c72 PU	57	if (clk_id == TWL6040_SYSCLK_SEL_HPPLL)
356bccbe	58	freq = priv->mclk_freq;
af958c72	59	else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL)
5e64d6aa	60	freq = 32768;
af958c72 PU	61	else
af958c72 PU	62	return -EINVAL;
5e64d6aa MLC	63
	64	/* set the codec mclk */
	65	ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq,
	66	SND_SOC_CLOCK_IN);
	67	if (ret) {
	68	printk(KERN_ERR "can't set codec system clock\n");
	69	return ret;
	70	}
f0fba2ad	71	return ret;
5e64d6aa MLC	72	}
5e64d6aa MLC	73
13f81d65 PU	74	static struct snd_soc_ops omap_abe_ops = {
13f81d65 PU	75	.hw_params = omap_abe_hw_params,
5e64d6aa MLC	76	};
5e64d6aa MLC	77
13f81d65	78	static int omap_abe_dmic_hw_params(struct snd_pcm_substream *substream,
6524c8e3 PU	79	struct snd_pcm_hw_params *params)
	80	{
	81	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	82	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	83	int ret = 0;
	84
	85	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_SYSCLK_PAD_CLKS,
	86	19200000, SND_SOC_CLOCK_IN);
	87	if (ret < 0) {
	88	printk(KERN_ERR "can't set DMIC cpu system clock\n");
	89	return ret;
	90	}
	91	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_ABE_DMIC_CLK, 2400000,
	92	SND_SOC_CLOCK_OUT);
	93	if (ret < 0) {
	94	printk(KERN_ERR "can't set DMIC output clock\n");
	95	return ret;
	96	}
	97	return 0;
	98	}
	99
13f81d65 PU	100	static struct snd_soc_ops omap_abe_dmic_ops = {
13f81d65 PU	101	.hw_params = omap_abe_dmic_hw_params,
6524c8e3 PU	102	};
6524c8e3 PU	103
96dc227c JEC	104	/* Headset jack */
	105	static struct snd_soc_jack hs_jack;
	106
	107	/Headset jack detection DAPM pins /
	108	static struct snd_soc_jack_pin hs_jack_pins[] = {
	109	{
	110	.pin = "Headset Mic",
	111	.mask = SND_JACK_MICROPHONE,
	112	},
	113	{
	114	.pin = "Headset Stereophone",
	115	.mask = SND_JACK_HEADPHONE,
	116	},
	117	};
	118
5e64d6aa	119	/* SDP4430 machine DAPM */
13f81d65	120	static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
b3208839	121	/* Outputs */
5e64d6aa	122	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
7254e2bd	123	SND_SOC_DAPM_SPK("Earphone Spk", NULL),
b3208839 PU	124	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	125	SND_SOC_DAPM_LINE("Line Out", NULL),
	126	SND_SOC_DAPM_SPK("Vibrator", NULL),
	127
	128	/* Inputs */
	129	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	130	SND_SOC_DAPM_MIC("Main Handset Mic", NULL),
	131	SND_SOC_DAPM_MIC("Sub Handset Mic", NULL),
	132	SND_SOC_DAPM_LINE("Line In", NULL),
7d09f9e9 PU	133
	134	/* Digital microphones */
	135	SND_SOC_DAPM_MIC("Digital Mic", NULL),
5e64d6aa MLC	136	};
	137
	138	static const struct snd_soc_dapm_route audio_map[] = {
b3208839 PU	139	/* Routings for outputs */
	140	{"Headset Stereophone", NULL, "HSOL"},
	141	{"Headset Stereophone", NULL, "HSOR"},
	142
	143	{"Earphone Spk", NULL, "EP"},
5e64d6aa	144
5e64d6aa MLC	145	{"Ext Spk", NULL, "HFL"},
	146	{"Ext Spk", NULL, "HFR"},
	147
b3208839 PU	148	{"Line Out", NULL, "AUXL"},
	149	{"Line Out", NULL, "AUXR"},
	150
	151	{"Vibrator", NULL, "VIBRAL"},
	152	{"Vibrator", NULL, "VIBRAR"},
	153
	154	/* Routings for inputs */
778cee7a PU	155	{"HSMIC", NULL, "Headset Mic"},
778cee7a PU	156	{"Headset Mic", NULL, "Headset Mic Bias"},
5e64d6aa	157
b3208839 PU	158	{"MAINMIC", NULL, "Main Handset Mic"},
b3208839 PU	159	{"Main Handset Mic", NULL, "Main Mic Bias"},
7254e2bd	160
b3208839 PU	161	{"SUBMIC", NULL, "Sub Handset Mic"},
b3208839 PU	162	{"Sub Handset Mic", NULL, "Main Mic Bias"},
23ac3b61	163
b3208839 PU	164	{"AFML", NULL, "Line In"},
b3208839 PU	165	{"AFMR", NULL, "Line In"},
5e64d6aa MLC	166	};
5e64d6aa MLC	167
13f81d65	168	static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd)
5e64d6aa	169	{
f0fba2ad	170	struct snd_soc_codec *codec = rtd->codec;
4ca07cb0	171	struct snd_soc_card *card = codec->card;
356bccbe	172	struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
4ca07cb0 PU	173	int hs_trim;
	174	int ret = 0;
	175
7bf3d92c PU	176	/*
	177	* Configure McPDM offset cancellation based on the HSOTRIM value from
	178	* twl6040.
	179	*/
	180	hs_trim = twl6040_get_trim_value(codec, TWL6040_TRIM_HSOTRIM);
	181	omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim),
	182	TWL6040_HSF_TRIM_RIGHT(hs_trim));
	183
4ca07cb0	184	/* Headset jack detection only if it is supported */
356bccbe	185	if (priv->jack_detection) {
4ca07cb0 PU	186	ret = snd_soc_jack_new(codec, "Headset Jack",
	187	SND_JACK_HEADSET, &hs_jack);
	188	if (ret)
	189	return ret;
96dc227c	190
4ca07cb0 PU	191	ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
4ca07cb0 PU	192	hs_jack_pins);
96dc227c	193	twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET);
4ca07cb0	194	}
5e64d6aa MLC	195
	196	return ret;
	197	}
	198
6524c8e3	199	static const struct snd_soc_dapm_route dmic_audio_map[] = {
778cee7a PU	200	{"DMic", NULL, "Digital Mic"},
778cee7a PU	201	{"Digital Mic", NULL, "Digital Mic1 Bias"},
6524c8e3 PU	202	};
6524c8e3 PU	203
13f81d65	204	static int omap_abe_dmic_init(struct snd_soc_pcm_runtime *rtd)
6524c8e3	205	{
7f0af4ae	206	struct snd_soc_dapm_context *dapm = &rtd->card->dapm;
6524c8e3 PU	207
	208	return snd_soc_dapm_add_routes(dapm, dmic_audio_map,
	209	ARRAY_SIZE(dmic_audio_map));
	210	}
	211
5e64d6aa	212	/* Digital audio interface glue - connects codec <--> CPU */
c2f98956	213	static struct snd_soc_dai_link abe_twl6040_dai_links[] = {
6524c8e3 PU	214	{
	215	.name = "TWL6040",
	216	.stream_name = "TWL6040",
	217	.cpu_dai_name = "omap-mcpdm",
	218	.codec_dai_name = "twl6040-legacy",
	219	.platform_name = "omap-pcm-audio",
	220	.codec_name = "twl6040-codec",
13f81d65 PU	221	.init = omap_abe_twl6040_init,
13f81d65 PU	222	.ops = &omap_abe_ops,
6524c8e3 PU	223	},
	224	{
	225	.name = "DMIC",
	226	.stream_name = "DMIC Capture",
	227	.cpu_dai_name = "omap-dmic",
	228	.codec_dai_name = "dmic-hifi",
	229	.platform_name = "omap-pcm-audio",
	230	.codec_name = "dmic-codec",
13f81d65 PU	231	.init = omap_abe_dmic_init,
13f81d65 PU	232	.ops = &omap_abe_dmic_ops,
6524c8e3	233	},
5e64d6aa MLC	234	};
	235
	236	/* Audio machine driver */
13f81d65	237	static struct snd_soc_card omap_abe_card = {
b425b884	238	.owner = THIS_MODULE,
fc8e5b4c	239
13f81d65 PU	240	.dapm_widgets = twl6040_dapm_widgets,
13f81d65 PU	241	.num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
fc8e5b4c PU	242	.dapm_routes = audio_map,
fc8e5b4c PU	243	.num_dapm_routes = ARRAY_SIZE(audio_map),
5e64d6aa MLC	244	};
5e64d6aa MLC	245
7ff60006	246	static int omap_abe_probe(struct platform_device *pdev)
5e64d6aa	247	{
5ef75e71	248	struct device_node *node = pdev->dev.of_node;
d1be1d2f	249	struct snd_soc_card *card = &omap_abe_card;
8fe120b5	250	struct device_node *dai_node;
356bccbe	251	struct abe_twl6040 *priv;
c2f98956	252	int num_links = 0;
5ef75e71	253	int ret = 0;
5e64d6aa	254
8fe120b5 PU	255	if (!node) {
	256	dev_err(&pdev->dev, "of node is missing.\n");
	257	return -ENODEV;
	258	}
	259
d1be1d2f	260	card->dev = &pdev->dev;
5e64d6aa	261
356bccbe PU	262	priv = devm_kzalloc(&pdev->dev, sizeof(struct abe_twl6040), GFP_KERNEL);
	263	if (priv == NULL)
	264	return -ENOMEM;
	265
5ef75e71 PU	266	priv->dmic_codec_dev = ERR_PTR(-EINVAL);
5ef75e71 PU	267
8fe120b5 PU	268	if (snd_soc_of_parse_card_name(card, "ti,model")) {
	269	dev_err(&pdev->dev, "Card name is not provided\n");
	270	return -ENODEV;
	271	}
5ef75e71	272
8fe120b5 PU	273	ret = snd_soc_of_parse_audio_routing(card, "ti,audio-routing");
	274	if (ret) {
	275	dev_err(&pdev->dev, "Error while parsing DAPM routing\n");
	276	return ret;
	277	}
5ef75e71	278
8fe120b5 PU	279	dai_node = of_parse_phandle(node, "ti,mcpdm", 0);
	280	if (!dai_node) {
	281	dev_err(&pdev->dev, "McPDM node is not provided\n");
	282	return -EINVAL;
	283	}
	284	abe_twl6040_dai_links[0].cpu_dai_name = NULL;
	285	abe_twl6040_dai_links[0].cpu_of_node = dai_node;
5ef75e71	286
8fe120b5 PU	287	dai_node = of_parse_phandle(node, "ti,dmic", 0);
	288	if (dai_node) {
	289	num_links = 2;
	290	abe_twl6040_dai_links[1].cpu_dai_name = NULL;
	291	abe_twl6040_dai_links[1].cpu_of_node = dai_node;
5ef75e71	292
8fe120b5	293	priv->dmic_codec_dev = platform_device_register_simple(
5ef75e71	294	"dmic-codec", -1, NULL, 0);
8fe120b5 PU	295	if (IS_ERR(priv->dmic_codec_dev)) {
	296	dev_err(&pdev->dev, "Can't instantiate dmic-codec\n");
	297	return PTR_ERR(priv->dmic_codec_dev);
5ef75e71	298	}
d1be1d2f	299	} else {
8fe120b5 PU	300	num_links = 1;
	301	}
	302
	303	priv->jack_detection = of_property_read_bool(node, "ti,jack-detection");
	304	of_property_read_u32(node, "ti,mclk-freq", &priv->mclk_freq);
	305	if (!priv->mclk_freq) {
	306	dev_err(&pdev->dev, "MCLK frequency not provided\n");
	307	ret = -EINVAL;
	308	goto err_unregister;
d1be1d2f	309	}
5e64d6aa	310
8fe120b5	311	card->fully_routed = 1;
356bccbe PU	312
356bccbe PU	313	if (!priv->mclk_freq) {
62ba98ce	314	dev_err(&pdev->dev, "MCLK frequency missing\n");
5ef75e71 PU	315	ret = -ENODEV;
5ef75e71 PU	316	goto err_unregister;
62ba98ce PU	317	}
62ba98ce PU	318
c2f98956 PU	319	card->dai_link = abe_twl6040_dai_links;
c2f98956 PU	320	card->num_links = num_links;
8d946dd7	321
356bccbe PU	322	snd_soc_card_set_drvdata(card, priv);
356bccbe PU	323
d1be1d2f	324	ret = snd_soc_register_card(card);
5ef75e71	325	if (ret) {
d1be1d2f PU	326	dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
d1be1d2f PU	327	ret);
5ef75e71 PU	328	goto err_unregister;
	329	}
	330
	331	return 0;
	332
	333	err_unregister:
	334	if (!IS_ERR(priv->dmic_codec_dev))
	335	platform_device_unregister(priv->dmic_codec_dev);
5e64d6aa	336
5e64d6aa MLC	337	return ret;
5e64d6aa MLC	338	}
5e64d6aa	339
7ff60006	340	static int omap_abe_remove(struct platform_device *pdev)
5e64d6aa	341	{
d1be1d2f	342	struct snd_soc_card *card = platform_get_drvdata(pdev);
5ef75e71	343	struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card);
d1be1d2f PU	344
	345	snd_soc_unregister_card(card);
	346
5ef75e71 PU	347	if (!IS_ERR(priv->dmic_codec_dev))
	348	platform_device_unregister(priv->dmic_codec_dev);
	349
d1be1d2f	350	return 0;
5e64d6aa	351	}
d1be1d2f	352
5ef75e71 PU	353	static const struct of_device_id omap_abe_of_match[] = {
	354	{.compatible = "ti,abe-twl6040", },
	355	{ },
	356	};
	357	MODULE_DEVICE_TABLE(of, omap_abe_of_match);
	358
d1be1d2f PU	359	static struct platform_driver omap_abe_driver = {
	360	.driver = {
	361	.name = "omap-abe-twl6040",
	362	.owner = THIS_MODULE,
	363	.pm = &snd_soc_pm_ops,
5ef75e71	364	.of_match_table = omap_abe_of_match,
d1be1d2f PU	365	},
d1be1d2f PU	366	.probe = omap_abe_probe,
7ff60006	367	.remove = omap_abe_remove,
d1be1d2f PU	368	};
	369
	370	module_platform_driver(omap_abe_driver);
5e64d6aa	371
8747a6b7	372	MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>");
13f81d65	373	MODULE_DESCRIPTION("ALSA SoC for OMAP boards with ABE and twl6040 codec");
5e64d6aa	374	MODULE_LICENSE("GPL");
d1be1d2f	375	MODULE_ALIAS("platform:omap-abe-twl6040");