[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;
	int clk_id, freq;
	int ret;

	clk_id = twl6040_get_clk_id(rtd->codec);
	if (clk_id == TWL6040_SYSCLK_SEL_HPPLL)
		freq = 38400000;
	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 int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	int ret, hs_trim;

	/*
	 * 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 */
	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);

	if (machine_is_omap_4430sdp())
		twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET);
	else
		snd_soc_jack_report(&hs_jack, SND_JACK_HEADSET, 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->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;
5e64d6aa MLC	48	int clk_id, freq;
	49	int ret;
	50
af958c72 PU	51	clk_id = twl6040_get_clk_id(rtd->codec);
af958c72 PU	52	if (clk_id == TWL6040_SYSCLK_SEL_HPPLL)
5e64d6aa	53	freq = 38400000;
af958c72	54	else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL)
5e64d6aa	55	freq = 32768;
af958c72 PU	56	else
af958c72 PU	57	return -EINVAL;
5e64d6aa MLC	58
	59	/* set the codec mclk */
	60	ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq,
	61	SND_SOC_CLOCK_IN);
	62	if (ret) {
	63	printk(KERN_ERR "can't set codec system clock\n");
	64	return ret;
	65	}
f0fba2ad	66	return ret;
5e64d6aa MLC	67	}
5e64d6aa MLC	68
13f81d65 PU	69	static struct snd_soc_ops omap_abe_ops = {
13f81d65 PU	70	.hw_params = omap_abe_hw_params,
5e64d6aa MLC	71	};
5e64d6aa MLC	72
13f81d65	73	static int omap_abe_dmic_hw_params(struct snd_pcm_substream *substream,
6524c8e3 PU	74	struct snd_pcm_hw_params *params)
	75	{
	76	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	77	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	78	int ret = 0;
	79
	80	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_SYSCLK_PAD_CLKS,
	81	19200000, SND_SOC_CLOCK_IN);
	82	if (ret < 0) {
	83	printk(KERN_ERR "can't set DMIC cpu system clock\n");
	84	return ret;
	85	}
	86	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_DMIC_ABE_DMIC_CLK, 2400000,
	87	SND_SOC_CLOCK_OUT);
	88	if (ret < 0) {
	89	printk(KERN_ERR "can't set DMIC output clock\n");
	90	return ret;
	91	}
	92	return 0;
	93	}
	94
13f81d65 PU	95	static struct snd_soc_ops omap_abe_dmic_ops = {
13f81d65 PU	96	.hw_params = omap_abe_dmic_hw_params,
6524c8e3 PU	97	};
6524c8e3 PU	98
96dc227c JEC	99	/* Headset jack */
	100	static struct snd_soc_jack hs_jack;
	101
	102	/Headset jack detection DAPM pins /
	103	static struct snd_soc_jack_pin hs_jack_pins[] = {
	104	{
	105	.pin = "Headset Mic",
	106	.mask = SND_JACK_MICROPHONE,
	107	},
	108	{
	109	.pin = "Headset Stereophone",
	110	.mask = SND_JACK_HEADPHONE,
	111	},
	112	};
	113
5e64d6aa	114	/* SDP4430 machine DAPM */
13f81d65	115	static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
b3208839	116	/* Outputs */
5e64d6aa	117	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
7254e2bd	118	SND_SOC_DAPM_SPK("Earphone Spk", NULL),
b3208839 PU	119	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	120	SND_SOC_DAPM_LINE("Line Out", NULL),
	121	SND_SOC_DAPM_SPK("Vibrator", NULL),
	122
	123	/* Inputs */
	124	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	125	SND_SOC_DAPM_MIC("Main Handset Mic", NULL),
	126	SND_SOC_DAPM_MIC("Sub Handset Mic", NULL),
	127	SND_SOC_DAPM_LINE("Line In", NULL),
5e64d6aa MLC	128	};
	129
	130	static const struct snd_soc_dapm_route audio_map[] = {
b3208839 PU	131	/* Routings for outputs */
	132	{"Headset Stereophone", NULL, "HSOL"},
	133	{"Headset Stereophone", NULL, "HSOR"},
	134
	135	{"Earphone Spk", NULL, "EP"},
5e64d6aa	136
5e64d6aa MLC	137	{"Ext Spk", NULL, "HFL"},
	138	{"Ext Spk", NULL, "HFR"},
	139
b3208839 PU	140	{"Line Out", NULL, "AUXL"},
	141	{"Line Out", NULL, "AUXR"},
	142
	143	{"Vibrator", NULL, "VIBRAL"},
	144	{"Vibrator", NULL, "VIBRAR"},
	145
	146	/* Routings for inputs */
778cee7a PU	147	{"HSMIC", NULL, "Headset Mic"},
778cee7a PU	148	{"Headset Mic", NULL, "Headset Mic Bias"},
5e64d6aa	149
b3208839 PU	150	{"MAINMIC", NULL, "Main Handset Mic"},
b3208839 PU	151	{"Main Handset Mic", NULL, "Main Mic Bias"},
7254e2bd	152
b3208839 PU	153	{"SUBMIC", NULL, "Sub Handset Mic"},
b3208839 PU	154	{"Sub Handset Mic", NULL, "Main Mic Bias"},
23ac3b61	155
b3208839 PU	156	{"AFML", NULL, "Line In"},
b3208839 PU	157	{"AFMR", NULL, "Line In"},
5e64d6aa MLC	158	};
5e64d6aa MLC	159
13f81d65	160	static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd)
5e64d6aa	161	{
f0fba2ad	162	struct snd_soc_codec *codec = rtd->codec;
7bf3d92c	163	int ret, hs_trim;
5e64d6aa	164
7bf3d92c PU	165	/*
	166	* Configure McPDM offset cancellation based on the HSOTRIM value from
	167	* twl6040.
	168	*/
	169	hs_trim = twl6040_get_trim_value(codec, TWL6040_TRIM_HSOTRIM);
	170	omap_mcpdm_configure_dn_offsets(rtd, TWL6040_HSF_TRIM_LEFT(hs_trim),
	171	TWL6040_HSF_TRIM_RIGHT(hs_trim));
	172
96dc227c JEC	173	/* Headset jack detection */
	174	ret = snd_soc_jack_new(codec, "Headset Jack",
	175	SND_JACK_HEADSET, &hs_jack);
	176	if (ret)
	177	return ret;
	178
	179	ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
	180	hs_jack_pins);
	181
	182	if (machine_is_omap_4430sdp())
	183	twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET);
	184	else
	185	snd_soc_jack_report(&hs_jack, SND_JACK_HEADSET, SND_JACK_HEADSET);
5e64d6aa MLC	186
	187	return ret;
	188	}
	189
13f81d65	190	static const struct snd_soc_dapm_widget dmic_dapm_widgets[] = {
6524c8e3 PU	191	SND_SOC_DAPM_MIC("Digital Mic", NULL),
	192	};
	193
	194	static const struct snd_soc_dapm_route dmic_audio_map[] = {
778cee7a PU	195	{"DMic", NULL, "Digital Mic"},
778cee7a PU	196	{"Digital Mic", NULL, "Digital Mic1 Bias"},
6524c8e3 PU	197	};
6524c8e3 PU	198
13f81d65	199	static int omap_abe_dmic_init(struct snd_soc_pcm_runtime *rtd)
6524c8e3 PU	200	{
	201	struct snd_soc_codec *codec = rtd->codec;
	202	struct snd_soc_dapm_context *dapm = &codec->dapm;
	203	int ret;
	204
13f81d65 PU	205	ret = snd_soc_dapm_new_controls(dapm, dmic_dapm_widgets,
13f81d65 PU	206	ARRAY_SIZE(dmic_dapm_widgets));
6524c8e3 PU	207	if (ret)
	208	return ret;
	209
	210	return snd_soc_dapm_add_routes(dapm, dmic_audio_map,
	211	ARRAY_SIZE(dmic_audio_map));
	212	}
	213
5e64d6aa	214	/* Digital audio interface glue - connects codec <--> CPU */
8d946dd7	215	static struct snd_soc_dai_link twl6040_dmic_dai[] = {
6524c8e3 PU	216	{
	217	.name = "TWL6040",
	218	.stream_name = "TWL6040",
	219	.cpu_dai_name = "omap-mcpdm",
	220	.codec_dai_name = "twl6040-legacy",
	221	.platform_name = "omap-pcm-audio",
	222	.codec_name = "twl6040-codec",
13f81d65 PU	223	.init = omap_abe_twl6040_init,
13f81d65 PU	224	.ops = &omap_abe_ops,
6524c8e3 PU	225	},
	226	{
	227	.name = "DMIC",
	228	.stream_name = "DMIC Capture",
	229	.cpu_dai_name = "omap-dmic",
	230	.codec_dai_name = "dmic-hifi",
	231	.platform_name = "omap-pcm-audio",
	232	.codec_name = "dmic-codec",
13f81d65 PU	233	.init = omap_abe_dmic_init,
13f81d65 PU	234	.ops = &omap_abe_dmic_ops,
6524c8e3	235	},
5e64d6aa MLC	236	};
5e64d6aa MLC	237
8d946dd7 PU	238	static struct snd_soc_dai_link twl6040_only_dai[] = {
	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",
	246	.init = omap_abe_twl6040_init,
	247	.ops = &omap_abe_ops,
	248	},
	249	};
	250
5e64d6aa	251	/* Audio machine driver */
13f81d65	252	static struct snd_soc_card omap_abe_card = {
b425b884	253	.owner = THIS_MODULE,
fc8e5b4c	254
13f81d65 PU	255	.dapm_widgets = twl6040_dapm_widgets,
13f81d65 PU	256	.num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
fc8e5b4c PU	257	.dapm_routes = audio_map,
fc8e5b4c PU	258	.num_dapm_routes = ARRAY_SIZE(audio_map),
5e64d6aa MLC	259	};
5e64d6aa MLC	260
d1be1d2f	261	static __devinit int omap_abe_probe(struct platform_device *pdev)
5e64d6aa	262	{
d1be1d2f PU	263	struct omap_abe_twl6040_data *pdata = dev_get_platdata(&pdev->dev);
d1be1d2f PU	264	struct snd_soc_card *card = &omap_abe_card;
5e64d6aa MLC	265	int ret;
5e64d6aa MLC	266
d1be1d2f	267	card->dev = &pdev->dev;
5e64d6aa	268
d1be1d2f PU	269	if (!pdata) {
	270	dev_err(&pdev->dev, "Missing pdata\n");
	271	return -ENODEV;
5e64d6aa MLC	272	}
5e64d6aa MLC	273
d1be1d2f PU	274	if (pdata->card_name) {
	275	card->name = pdata->card_name;
	276	} else {
	277	dev_err(&pdev->dev, "Card name is not provided\n");
	278	return -ENODEV;
	279	}
5e64d6aa	280
8d946dd7 PU	281	if (pdata->has_dmic) {
	282	card->dai_link = twl6040_dmic_dai;
	283	card->num_links = ARRAY_SIZE(twl6040_dmic_dai);
	284	} else {
	285	card->dai_link = twl6040_only_dai;
	286	card->num_links = ARRAY_SIZE(twl6040_only_dai);
	287	}
	288
d1be1d2f	289	ret = snd_soc_register_card(card);
5e64d6aa	290	if (ret)
d1be1d2f PU	291	dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
d1be1d2f PU	292	ret);
5e64d6aa	293
5e64d6aa MLC	294	return ret;
5e64d6aa MLC	295	}
5e64d6aa	296
d1be1d2f	297	static int __devexit omap_abe_remove(struct platform_device *pdev)
5e64d6aa	298	{
d1be1d2f PU	299	struct snd_soc_card *card = platform_get_drvdata(pdev);
	300
	301	snd_soc_unregister_card(card);
	302
	303	return 0;
5e64d6aa	304	}
d1be1d2f PU	305
	306	static struct platform_driver omap_abe_driver = {
	307	.driver = {
	308	.name = "omap-abe-twl6040",
	309	.owner = THIS_MODULE,
	310	.pm = &snd_soc_pm_ops,
	311	},
	312	.probe = omap_abe_probe,
	313	.remove = __devexit_p(omap_abe_remove),
	314	};
	315
	316	module_platform_driver(omap_abe_driver);
5e64d6aa	317
8747a6b7	318	MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>");
13f81d65	319	MODULE_DESCRIPTION("ALSA SoC for OMAP boards with ABE and twl6040 codec");
5e64d6aa	320	MODULE_LICENSE("GPL");
d1be1d2f	321	MODULE_ALIAS("platform:omap-abe-twl6040");