[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),

	/* 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 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_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;

	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 __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 num_links = 0;
	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)
		num_links = 2;
	else
		num_links = 1;

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

	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),
7d09f9e9 PU	131
	132	/* Digital microphones */
	133	SND_SOC_DAPM_MIC("Digital Mic", NULL),
5e64d6aa MLC	134	};
	135
	136	static const struct snd_soc_dapm_route audio_map[] = {
b3208839 PU	137	/* Routings for outputs */
	138	{"Headset Stereophone", NULL, "HSOL"},
	139	{"Headset Stereophone", NULL, "HSOR"},
	140
	141	{"Earphone Spk", NULL, "EP"},
5e64d6aa	142
5e64d6aa MLC	143	{"Ext Spk", NULL, "HFL"},
	144	{"Ext Spk", NULL, "HFR"},
	145
b3208839 PU	146	{"Line Out", NULL, "AUXL"},
	147	{"Line Out", NULL, "AUXR"},
	148
	149	{"Vibrator", NULL, "VIBRAL"},
	150	{"Vibrator", NULL, "VIBRAR"},
	151
	152	/* Routings for inputs */
778cee7a PU	153	{"HSMIC", NULL, "Headset Mic"},
778cee7a PU	154	{"Headset Mic", NULL, "Headset Mic Bias"},
5e64d6aa	155
b3208839 PU	156	{"MAINMIC", NULL, "Main Handset Mic"},
b3208839 PU	157	{"Main Handset Mic", NULL, "Main Mic Bias"},
7254e2bd	158
b3208839 PU	159	{"SUBMIC", NULL, "Sub Handset Mic"},
b3208839 PU	160	{"Sub Handset Mic", NULL, "Main Mic Bias"},
23ac3b61	161
b3208839 PU	162	{"AFML", NULL, "Line In"},
b3208839 PU	163	{"AFMR", NULL, "Line In"},
5e64d6aa MLC	164	};
5e64d6aa MLC	165
4ca07cb0 PU	166	static inline void twl6040_disconnect_pin(struct snd_soc_dapm_context *dapm,
	167	int connected, char *pin)
	168	{
	169	if (!connected)
	170	snd_soc_dapm_disable_pin(dapm, pin);
	171	}
	172
13f81d65	173	static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd)
5e64d6aa	174	{
f0fba2ad	175	struct snd_soc_codec *codec = rtd->codec;
4ca07cb0 PU	176	struct snd_soc_card *card = codec->card;
	177	struct snd_soc_dapm_context *dapm = &codec->dapm;
	178	struct omap_abe_twl6040_data *pdata = dev_get_platdata(card->dev);
	179	int hs_trim;
	180	int ret = 0;
	181
	182	/* Disable not connected paths if not used */
	183	twl6040_disconnect_pin(dapm, pdata->has_hs, "Headset Stereophone");
	184	twl6040_disconnect_pin(dapm, pdata->has_hf, "Ext Spk");
	185	twl6040_disconnect_pin(dapm, pdata->has_ep, "Earphone Spk");
	186	twl6040_disconnect_pin(dapm, pdata->has_aux, "Line Out");
	187	twl6040_disconnect_pin(dapm, pdata->has_vibra, "Vinrator");
	188	twl6040_disconnect_pin(dapm, pdata->has_hsmic, "Headset Mic");
	189	twl6040_disconnect_pin(dapm, pdata->has_mainmic, "Main Handset Mic");
	190	twl6040_disconnect_pin(dapm, pdata->has_submic, "Sub Handset Mic");
	191	twl6040_disconnect_pin(dapm, pdata->has_afm, "Line In");
5e64d6aa	192
7bf3d92c PU	193	/*
	194	* Configure McPDM offset cancellation based on the HSOTRIM value from
	195	* twl6040.
	196	*/
	197	hs_trim = twl6040_get_trim_value(codec, TWL6040_TRIM_HSOTRIM);
	198	omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim),
	199	TWL6040_HSF_TRIM_RIGHT(hs_trim));
	200
4ca07cb0 PU	201	/* Headset jack detection only if it is supported */
	202	if (pdata->jack_detection) {
	203	ret = snd_soc_jack_new(codec, "Headset Jack",
	204	SND_JACK_HEADSET, &hs_jack);
	205	if (ret)
	206	return ret;
96dc227c	207
4ca07cb0 PU	208	ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
4ca07cb0 PU	209	hs_jack_pins);
96dc227c	210	twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET);
4ca07cb0	211	}
5e64d6aa MLC	212
	213	return ret;
	214	}
	215
6524c8e3	216	static const struct snd_soc_dapm_route dmic_audio_map[] = {
778cee7a PU	217	{"DMic", NULL, "Digital Mic"},
778cee7a PU	218	{"Digital Mic", NULL, "Digital Mic1 Bias"},
6524c8e3 PU	219	};
6524c8e3 PU	220
13f81d65	221	static int omap_abe_dmic_init(struct snd_soc_pcm_runtime *rtd)
6524c8e3 PU	222	{
	223	struct snd_soc_codec *codec = rtd->codec;
	224	struct snd_soc_dapm_context *dapm = &codec->dapm;
6524c8e3 PU	225
	226	return snd_soc_dapm_add_routes(dapm, dmic_audio_map,
	227	ARRAY_SIZE(dmic_audio_map));
	228	}
	229
5e64d6aa	230	/* Digital audio interface glue - connects codec <--> CPU */
c2f98956	231	static struct snd_soc_dai_link abe_twl6040_dai_links[] = {
6524c8e3 PU	232	{
	233	.name = "TWL6040",
	234	.stream_name = "TWL6040",
	235	.cpu_dai_name = "omap-mcpdm",
	236	.codec_dai_name = "twl6040-legacy",
	237	.platform_name = "omap-pcm-audio",
	238	.codec_name = "twl6040-codec",
13f81d65 PU	239	.init = omap_abe_twl6040_init,
13f81d65 PU	240	.ops = &omap_abe_ops,
6524c8e3 PU	241	},
	242	{
	243	.name = "DMIC",
	244	.stream_name = "DMIC Capture",
	245	.cpu_dai_name = "omap-dmic",
	246	.codec_dai_name = "dmic-hifi",
	247	.platform_name = "omap-pcm-audio",
	248	.codec_name = "dmic-codec",
13f81d65 PU	249	.init = omap_abe_dmic_init,
13f81d65 PU	250	.ops = &omap_abe_dmic_ops,
6524c8e3	251	},
5e64d6aa MLC	252	};
	253
	254	/* Audio machine driver */
13f81d65	255	static struct snd_soc_card omap_abe_card = {
b425b884	256	.owner = THIS_MODULE,
fc8e5b4c	257
13f81d65 PU	258	.dapm_widgets = twl6040_dapm_widgets,
13f81d65 PU	259	.num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
fc8e5b4c PU	260	.dapm_routes = audio_map,
fc8e5b4c PU	261	.num_dapm_routes = ARRAY_SIZE(audio_map),
5e64d6aa MLC	262	};
5e64d6aa MLC	263
d1be1d2f	264	static __devinit int omap_abe_probe(struct platform_device *pdev)
5e64d6aa	265	{
d1be1d2f PU	266	struct omap_abe_twl6040_data *pdata = dev_get_platdata(&pdev->dev);
d1be1d2f PU	267	struct snd_soc_card *card = &omap_abe_card;
c2f98956	268	int num_links = 0;
5e64d6aa MLC	269	int ret;
5e64d6aa MLC	270
d1be1d2f	271	card->dev = &pdev->dev;
5e64d6aa	272
d1be1d2f PU	273	if (!pdata) {
	274	dev_err(&pdev->dev, "Missing pdata\n");
	275	return -ENODEV;
5e64d6aa MLC	276	}
5e64d6aa MLC	277
d1be1d2f PU	278	if (pdata->card_name) {
	279	card->name = pdata->card_name;
	280	} else {
	281	dev_err(&pdev->dev, "Card name is not provided\n");
	282	return -ENODEV;
	283	}
5e64d6aa	284
62ba98ce PU	285	if (!pdata->mclk_freq) {
	286	dev_err(&pdev->dev, "MCLK frequency missing\n");
	287	return -ENODEV;
	288	}
	289
c2f98956 PU	290	if (pdata->has_dmic)
	291	num_links = 2;
	292	else
	293	num_links = 1;
	294
	295	card->dai_link = abe_twl6040_dai_links;
	296	card->num_links = num_links;
8d946dd7	297
d1be1d2f	298	ret = snd_soc_register_card(card);
5e64d6aa	299	if (ret)
d1be1d2f PU	300	dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
d1be1d2f PU	301	ret);
5e64d6aa	302
5e64d6aa MLC	303	return ret;
5e64d6aa MLC	304	}
5e64d6aa	305
d1be1d2f	306	static int __devexit omap_abe_remove(struct platform_device *pdev)
5e64d6aa	307	{
d1be1d2f PU	308	struct snd_soc_card *card = platform_get_drvdata(pdev);
	309
	310	snd_soc_unregister_card(card);
	311
	312	return 0;
5e64d6aa	313	}
d1be1d2f PU	314
	315	static struct platform_driver omap_abe_driver = {
	316	.driver = {
	317	.name = "omap-abe-twl6040",
	318	.owner = THIS_MODULE,
	319	.pm = &snd_soc_pm_ops,
	320	},
	321	.probe = omap_abe_probe,
	322	.remove = __devexit_p(omap_abe_remove),
	323	};
	324
	325	module_platform_driver(omap_abe_driver);
5e64d6aa	326
8747a6b7	327	MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>");
13f81d65	328	MODULE_DESCRIPTION("ALSA SoC for OMAP boards with ABE and twl6040 codec");
5e64d6aa	329	MODULE_LICENSE("GPL");
d1be1d2f	330	MODULE_ALIAS("platform:omap-abe-twl6040");