[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/platform_data/omap-abe-twl6040.h>
#include <linux/module.h>

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

#include <asm/mach-types.h>
#include <plat/hardware.h>
#include <plat/mux.h>

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

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 omap_abe_twl6040_data *pdata = dev_get_platdata(card->dev);
	int clk_id, freq;
	int ret;

	clk_id = twl6040_get_clk_id(rtd->codec);
	if (clk_id == TWL6040_SYSCLK_SEL_HPPLL)
		freq = pdata->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),
};

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 inline void twl6040_disconnect_pin(struct snd_soc_dapm_context *dapm,
					  int connected, char *pin)
{
	if (!connected)
		snd_soc_dapm_disable_pin(dapm, pin);
}

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 snd_soc_dapm_context *dapm = &codec->dapm;
	struct omap_abe_twl6040_data *pdata = dev_get_platdata(card->dev);
	int hs_trim;
	int ret = 0;

	/* Disable not connected paths if not used */
	twl6040_disconnect_pin(dapm, pdata->has_hs, "Headset Stereophone");
	twl6040_disconnect_pin(dapm, pdata->has_hf, "Ext Spk");
	twl6040_disconnect_pin(dapm, pdata->has_ep, "Earphone Spk");
	twl6040_disconnect_pin(dapm, pdata->has_aux, "Line Out");
	twl6040_disconnect_pin(dapm, pdata->has_vibra, "Vinrator");
	twl6040_disconnect_pin(dapm, pdata->has_hsmic, "Headset Mic");
	twl6040_disconnect_pin(dapm, pdata->has_mainmic, "Main Handset Mic");
	twl6040_disconnect_pin(dapm, pdata->has_submic, "Sub Handset Mic");
	twl6040_disconnect_pin(dapm, pdata->has_afm, "Line In");

	/*
	 * 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 (pdata->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_widget dmic_dapm_widgets[] = {
	SND_SOC_DAPM_MIC("Digital Mic", NULL),
};

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_codec *codec = rtd->codec;
	struct snd_soc_dapm_context *dapm = &codec->dapm;
	int ret;

	ret = snd_soc_dapm_new_controls(dapm, dmic_dapm_widgets,
				ARRAY_SIZE(dmic_dapm_widgets));
	if (ret)
		return ret;

	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 twl6040_dmic_dai[] = {
	{
		.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,
	},
};

static struct snd_soc_dai_link twl6040_only_dai[] = {
	{
		.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,
	},
};

/* 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 __devinit int omap_abe_probe(struct platform_device *pdev)
{
	struct omap_abe_twl6040_data *pdata = dev_get_platdata(&pdev->dev);
	struct snd_soc_card *card = &omap_abe_card;
	int ret;

	card->dev = &pdev->dev;

	if (!pdata) {
		dev_err(&pdev->dev, "Missing pdata\n");
		return -ENODEV;
	}

	if (pdata->card_name) {
		card->name = pdata->card_name;
	} else {
		dev_err(&pdev->dev, "Card name is not provided\n");
		return -ENODEV;
	}

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

	if (pdata->has_dmic) {
		card->dai_link = twl6040_dmic_dai;
		card->num_links = ARRAY_SIZE(twl6040_dmic_dai);
	} else {
		card->dai_link = twl6040_only_dai;
		card->num_links = ARRAY_SIZE(twl6040_only_dai);
	}

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

	return ret;
}

static int __devexit omap_abe_remove(struct platform_device *pdev)
{
	struct snd_soc_card *card = platform_get_drvdata(pdev);

	snd_soc_unregister_card(card);

	return 0;
}

static struct platform_driver omap_abe_driver = {
	.driver = {
		.name = "omap-abe-twl6040",
		.owner = THIS_MODULE,
		.pm = &snd_soc_pm_ops,
	},
	.probe = omap_abe_probe,
	.remove = __devexit_p(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>
d1be1d2f	26	#include <linux/platform_data/omap-abe-twl6040.h>
da155d5b	27	#include <linux/module.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 MLC	33
	34	#include <asm/mach-types.h>
	35	#include <plat/hardware.h>
	36	#include <plat/mux.h>
	37
6524c8e3	38	#include "omap-dmic.h"
f5f9d7bf	39	#include "omap-mcpdm.h"
5e64d6aa MLC	40	#include "omap-pcm.h"
	41	#include "../codecs/twl6040.h"
	42
13f81d65	43	static int omap_abe_hw_params(struct snd_pcm_substream *substream,
5e64d6aa MLC	44	struct snd_pcm_hw_params *params)
	45	{
	46	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad	47	struct snd_soc_dai *codec_dai = rtd->codec_dai;
62ba98ce PU	48	struct snd_soc_codec *codec = rtd->codec;
	49	struct snd_soc_card *card = codec->card;
	50	struct omap_abe_twl6040_data *pdata = dev_get_platdata(card->dev);
5e64d6aa MLC	51	int clk_id, freq;
	52	int ret;
	53
af958c72 PU	54	clk_id = twl6040_get_clk_id(rtd->codec);
af958c72 PU	55	if (clk_id == TWL6040_SYSCLK_SEL_HPPLL)
62ba98ce	56	freq = pdata->mclk_freq;
af958c72	57	else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL)
5e64d6aa	58	freq = 32768;
af958c72 PU	59	else
af958c72 PU	60	return -EINVAL;
5e64d6aa MLC	61
	62	/* set the codec mclk */
	63	ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq,
	64	SND_SOC_CLOCK_IN);
	65	if (ret) {
	66	printk(KERN_ERR "can't set codec system clock\n");
	67	return ret;
	68	}
f0fba2ad	69	return ret;
5e64d6aa MLC	70	}
5e64d6aa MLC	71
13f81d65 PU	72	static struct snd_soc_ops omap_abe_ops = {
13f81d65 PU	73	.hw_params = omap_abe_hw_params,
5e64d6aa MLC	74	};
5e64d6aa MLC	75
13f81d65	76	static int omap_abe_dmic_hw_params(struct snd_pcm_substream *substream,
6524c8e3 PU	77	struct snd_pcm_hw_params *params)
	78	{
	79	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	80	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	81	int ret = 0;
	82
	83	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_SYSCLK_PAD_CLKS,
	84	19200000, SND_SOC_CLOCK_IN);
	85	if (ret < 0) {
	86	printk(KERN_ERR "can't set DMIC cpu system clock\n");
	87	return ret;
	88	}
	89	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_ABE_DMIC_CLK, 2400000,
	90	SND_SOC_CLOCK_OUT);
	91	if (ret < 0) {
	92	printk(KERN_ERR "can't set DMIC output clock\n");
	93	return ret;
	94	}
	95	return 0;
	96	}
	97
13f81d65 PU	98	static struct snd_soc_ops omap_abe_dmic_ops = {
13f81d65 PU	99	.hw_params = omap_abe_dmic_hw_params,
6524c8e3 PU	100	};
6524c8e3 PU	101
96dc227c JEC	102	/* Headset jack */
	103	static struct snd_soc_jack hs_jack;
	104
	105	/Headset jack detection DAPM pins /
	106	static struct snd_soc_jack_pin hs_jack_pins[] = {
	107	{
	108	.pin = "Headset Mic",
	109	.mask = SND_JACK_MICROPHONE,
	110	},
	111	{
	112	.pin = "Headset Stereophone",
	113	.mask = SND_JACK_HEADPHONE,
	114	},
	115	};
	116
5e64d6aa	117	/* SDP4430 machine DAPM */
13f81d65	118	static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
b3208839	119	/* Outputs */
5e64d6aa	120	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
7254e2bd	121	SND_SOC_DAPM_SPK("Earphone Spk", NULL),
b3208839 PU	122	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	123	SND_SOC_DAPM_LINE("Line Out", NULL),
	124	SND_SOC_DAPM_SPK("Vibrator", NULL),
	125
	126	/* Inputs */
	127	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	128	SND_SOC_DAPM_MIC("Main Handset Mic", NULL),
	129	SND_SOC_DAPM_MIC("Sub Handset Mic", NULL),
	130	SND_SOC_DAPM_LINE("Line In", NULL),
5e64d6aa MLC	131	};
	132
	133	static const struct snd_soc_dapm_route audio_map[] = {
b3208839 PU	134	/* Routings for outputs */
	135	{"Headset Stereophone", NULL, "HSOL"},
	136	{"Headset Stereophone", NULL, "HSOR"},
	137
	138	{"Earphone Spk", NULL, "EP"},
5e64d6aa	139
5e64d6aa MLC	140	{"Ext Spk", NULL, "HFL"},
	141	{"Ext Spk", NULL, "HFR"},
	142
b3208839 PU	143	{"Line Out", NULL, "AUXL"},
	144	{"Line Out", NULL, "AUXR"},
	145
	146	{"Vibrator", NULL, "VIBRAL"},
	147	{"Vibrator", NULL, "VIBRAR"},
	148
	149	/* Routings for inputs */
778cee7a PU	150	{"HSMIC", NULL, "Headset Mic"},
778cee7a PU	151	{"Headset Mic", NULL, "Headset Mic Bias"},
5e64d6aa	152
b3208839 PU	153	{"MAINMIC", NULL, "Main Handset Mic"},
b3208839 PU	154	{"Main Handset Mic", NULL, "Main Mic Bias"},
7254e2bd	155
b3208839 PU	156	{"SUBMIC", NULL, "Sub Handset Mic"},
b3208839 PU	157	{"Sub Handset Mic", NULL, "Main Mic Bias"},
23ac3b61	158
b3208839 PU	159	{"AFML", NULL, "Line In"},
b3208839 PU	160	{"AFMR", NULL, "Line In"},
5e64d6aa MLC	161	};
5e64d6aa MLC	162
4ca07cb0 PU	163	static inline void twl6040_disconnect_pin(struct snd_soc_dapm_context *dapm,
	164	int connected, char *pin)
	165	{
	166	if (!connected)
	167	snd_soc_dapm_disable_pin(dapm, pin);
	168	}
	169
13f81d65	170	static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd)
5e64d6aa	171	{
f0fba2ad	172	struct snd_soc_codec *codec = rtd->codec;
4ca07cb0 PU	173	struct snd_soc_card *card = codec->card;
	174	struct snd_soc_dapm_context *dapm = &codec->dapm;
	175	struct omap_abe_twl6040_data *pdata = dev_get_platdata(card->dev);
	176	int hs_trim;
	177	int ret = 0;
	178
	179	/* Disable not connected paths if not used */
	180	twl6040_disconnect_pin(dapm, pdata->has_hs, "Headset Stereophone");
	181	twl6040_disconnect_pin(dapm, pdata->has_hf, "Ext Spk");
	182	twl6040_disconnect_pin(dapm, pdata->has_ep, "Earphone Spk");
	183	twl6040_disconnect_pin(dapm, pdata->has_aux, "Line Out");
	184	twl6040_disconnect_pin(dapm, pdata->has_vibra, "Vinrator");
	185	twl6040_disconnect_pin(dapm, pdata->has_hsmic, "Headset Mic");
	186	twl6040_disconnect_pin(dapm, pdata->has_mainmic, "Main Handset Mic");
	187	twl6040_disconnect_pin(dapm, pdata->has_submic, "Sub Handset Mic");
	188	twl6040_disconnect_pin(dapm, pdata->has_afm, "Line In");
5e64d6aa	189
7bf3d92c PU	190	/*
	191	* Configure McPDM offset cancellation based on the HSOTRIM value from
	192	* twl6040.
	193	*/
	194	hs_trim = twl6040_get_trim_value(codec, TWL6040_TRIM_HSOTRIM);
	195	omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim),
	196	TWL6040_HSF_TRIM_RIGHT(hs_trim));
	197
4ca07cb0 PU	198	/* Headset jack detection only if it is supported */
	199	if (pdata->jack_detection) {
	200	ret = snd_soc_jack_new(codec, "Headset Jack",
	201	SND_JACK_HEADSET, &hs_jack);
	202	if (ret)
	203	return ret;
96dc227c	204
4ca07cb0 PU	205	ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
4ca07cb0 PU	206	hs_jack_pins);
96dc227c	207	twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET);
4ca07cb0	208	}
5e64d6aa MLC	209
	210	return ret;
	211	}
	212
13f81d65	213	static const struct snd_soc_dapm_widget dmic_dapm_widgets[] = {
6524c8e3 PU	214	SND_SOC_DAPM_MIC("Digital Mic", NULL),
	215	};
	216
	217	static const struct snd_soc_dapm_route dmic_audio_map[] = {
778cee7a PU	218	{"DMic", NULL, "Digital Mic"},
778cee7a PU	219	{"Digital Mic", NULL, "Digital Mic1 Bias"},
6524c8e3 PU	220	};
6524c8e3 PU	221
13f81d65	222	static int omap_abe_dmic_init(struct snd_soc_pcm_runtime *rtd)
6524c8e3 PU	223	{
	224	struct snd_soc_codec *codec = rtd->codec;
	225	struct snd_soc_dapm_context *dapm = &codec->dapm;
	226	int ret;
	227
13f81d65 PU	228	ret = snd_soc_dapm_new_controls(dapm, dmic_dapm_widgets,
13f81d65 PU	229	ARRAY_SIZE(dmic_dapm_widgets));
6524c8e3 PU	230	if (ret)
	231	return ret;
	232
	233	return snd_soc_dapm_add_routes(dapm, dmic_audio_map,
	234	ARRAY_SIZE(dmic_audio_map));
	235	}
	236
5e64d6aa	237	/* Digital audio interface glue - connects codec <--> CPU */
8d946dd7	238	static struct snd_soc_dai_link twl6040_dmic_dai[] = {
6524c8e3 PU	239	{
	240	.name = "TWL6040",
	241	.stream_name = "TWL6040",
	242	.cpu_dai_name = "omap-mcpdm",
	243	.codec_dai_name = "twl6040-legacy",
	244	.platform_name = "omap-pcm-audio",
	245	.codec_name = "twl6040-codec",
13f81d65 PU	246	.init = omap_abe_twl6040_init,
13f81d65 PU	247	.ops = &omap_abe_ops,
6524c8e3 PU	248	},
	249	{
	250	.name = "DMIC",
	251	.stream_name = "DMIC Capture",
	252	.cpu_dai_name = "omap-dmic",
	253	.codec_dai_name = "dmic-hifi",
	254	.platform_name = "omap-pcm-audio",
	255	.codec_name = "dmic-codec",
13f81d65 PU	256	.init = omap_abe_dmic_init,
13f81d65 PU	257	.ops = &omap_abe_dmic_ops,
6524c8e3	258	},
5e64d6aa MLC	259	};
5e64d6aa MLC	260
8d946dd7 PU	261	static struct snd_soc_dai_link twl6040_only_dai[] = {
	262	{
	263	.name = "TWL6040",
	264	.stream_name = "TWL6040",
	265	.cpu_dai_name = "omap-mcpdm",
	266	.codec_dai_name = "twl6040-legacy",
	267	.platform_name = "omap-pcm-audio",
	268	.codec_name = "twl6040-codec",
	269	.init = omap_abe_twl6040_init,
	270	.ops = &omap_abe_ops,
	271	},
	272	};
	273
5e64d6aa	274	/* Audio machine driver */
13f81d65	275	static struct snd_soc_card omap_abe_card = {
b425b884	276	.owner = THIS_MODULE,
fc8e5b4c	277
13f81d65 PU	278	.dapm_widgets = twl6040_dapm_widgets,
13f81d65 PU	279	.num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
fc8e5b4c PU	280	.dapm_routes = audio_map,
fc8e5b4c PU	281	.num_dapm_routes = ARRAY_SIZE(audio_map),
5e64d6aa MLC	282	};
5e64d6aa MLC	283
d1be1d2f	284	static __devinit int omap_abe_probe(struct platform_device *pdev)
5e64d6aa	285	{
d1be1d2f PU	286	struct omap_abe_twl6040_data *pdata = dev_get_platdata(&pdev->dev);
d1be1d2f PU	287	struct snd_soc_card *card = &omap_abe_card;
5e64d6aa MLC	288	int ret;
5e64d6aa MLC	289
d1be1d2f	290	card->dev = &pdev->dev;
5e64d6aa	291
d1be1d2f PU	292	if (!pdata) {
	293	dev_err(&pdev->dev, "Missing pdata\n");
	294	return -ENODEV;
5e64d6aa MLC	295	}
5e64d6aa MLC	296
d1be1d2f PU	297	if (pdata->card_name) {
	298	card->name = pdata->card_name;
	299	} else {
	300	dev_err(&pdev->dev, "Card name is not provided\n");
	301	return -ENODEV;
	302	}
5e64d6aa	303
62ba98ce PU	304	if (!pdata->mclk_freq) {
	305	dev_err(&pdev->dev, "MCLK frequency missing\n");
	306	return -ENODEV;
	307	}
	308
8d946dd7 PU	309	if (pdata->has_dmic) {
	310	card->dai_link = twl6040_dmic_dai;
	311	card->num_links = ARRAY_SIZE(twl6040_dmic_dai);
	312	} else {
	313	card->dai_link = twl6040_only_dai;
	314	card->num_links = ARRAY_SIZE(twl6040_only_dai);
	315	}
	316
d1be1d2f	317	ret = snd_soc_register_card(card);
5e64d6aa	318	if (ret)
d1be1d2f PU	319	dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
d1be1d2f PU	320	ret);
5e64d6aa	321
5e64d6aa MLC	322	return ret;
5e64d6aa MLC	323	}
5e64d6aa	324
d1be1d2f	325	static int __devexit omap_abe_remove(struct platform_device *pdev)
5e64d6aa	326	{
d1be1d2f PU	327	struct snd_soc_card *card = platform_get_drvdata(pdev);
	328
	329	snd_soc_unregister_card(card);
	330
	331	return 0;
5e64d6aa	332	}
d1be1d2f PU	333
	334	static struct platform_driver omap_abe_driver = {
	335	.driver = {
	336	.name = "omap-abe-twl6040",
	337	.owner = THIS_MODULE,
	338	.pm = &snd_soc_pm_ops,
	339	},
	340	.probe = omap_abe_probe,
	341	.remove = __devexit_p(omap_abe_remove),
	342	};
	343
	344	module_platform_driver(omap_abe_driver);
5e64d6aa	345
8747a6b7	346	MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>");
13f81d65	347	MODULE_DESCRIPTION("ALSA SoC for OMAP boards with ABE and twl6040 codec");
5e64d6aa	348	MODULE_LICENSE("GPL");
d1be1d2f	349	MODULE_ALIAS("platform:omap-abe-twl6040");