[deliverable/linux.git] / sound / soc / davinci / davinci-evm.c

/*
 * ASoC driver for TI DAVINCI EVM platform
 *
 * Author:      Vladimir Barinov, <vbarinov@embeddedalley.com>
 * Copyright:   (C) 2007 MontaVista Software, Inc., <source@mvista.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.
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/timer.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>

#include <asm/dma.h>
#include <asm/mach-types.h>

#include <mach/asp.h>
#include <mach/edma.h>
#include <mach/mux.h>

#include "davinci-pcm.h"
#include "davinci-i2s.h"
#include "davinci-mcasp.h"

#define AUDIO_FORMAT (SND_SOC_DAIFMT_DSP_B | \
		SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_IB_NF)
static int evm_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_dai *cpu_dai = rtd->cpu_dai;
	int ret = 0;
	unsigned sysclk;

	/* ASP1 on DM355 EVM is clocked by an external oscillator */
	if (machine_is_davinci_dm355_evm() || machine_is_davinci_dm6467_evm() ||
	    machine_is_davinci_dm365_evm())
		sysclk = 27000000;

	/* ASP0 in DM6446 EVM is clocked by U55, as configured by
	 * board-dm644x-evm.c using GPIOs from U18.  There are six
	 * options; here we "know" we use a 48 KHz sample rate.
	 */
	else if (machine_is_davinci_evm())
		sysclk = 12288000;

	else if (machine_is_davinci_da830_evm() ||
				machine_is_davinci_da850_evm())
		sysclk = 24576000;

	else
		return -EINVAL;

	/* set codec DAI configuration */
	ret = snd_soc_dai_set_fmt(codec_dai, AUDIO_FORMAT);
	if (ret < 0)
		return ret;

	/* set cpu DAI configuration */
	ret = snd_soc_dai_set_fmt(cpu_dai, AUDIO_FORMAT);
	if (ret < 0)
		return ret;

	/* set the codec system clock */
	ret = snd_soc_dai_set_sysclk(codec_dai, 0, sysclk, SND_SOC_CLOCK_OUT);
	if (ret < 0)
		return ret;

	return 0;
}

static int evm_spdif_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;

	/* set cpu DAI configuration */
	return snd_soc_dai_set_fmt(cpu_dai, AUDIO_FORMAT);
}

static struct snd_soc_ops evm_ops = {
	.hw_params = evm_hw_params,
};

static struct snd_soc_ops evm_spdif_ops = {
	.hw_params = evm_spdif_hw_params,
};

/* davinci-evm machine dapm widgets */
static const struct snd_soc_dapm_widget aic3x_dapm_widgets[] = {
	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	SND_SOC_DAPM_LINE("Line Out", NULL),
	SND_SOC_DAPM_MIC("Mic Jack", NULL),
	SND_SOC_DAPM_LINE("Line In", NULL),
};

/* davinci-evm machine audio_mapnections to the codec pins */
static const struct snd_soc_dapm_route audio_map[] = {
	/* Headphone connected to HPLOUT, HPROUT */
	{"Headphone Jack", NULL, "HPLOUT"},
	{"Headphone Jack", NULL, "HPROUT"},

	/* Line Out connected to LLOUT, RLOUT */
	{"Line Out", NULL, "LLOUT"},
	{"Line Out", NULL, "RLOUT"},

	/* Mic connected to (MIC3L | MIC3R) */
	{"MIC3L", NULL, "Mic Bias 2V"},
	{"MIC3R", NULL, "Mic Bias 2V"},
	{"Mic Bias 2V", NULL, "Mic Jack"},

	/* Line In connected to (LINE1L | LINE2L), (LINE1R | LINE2R) */
	{"LINE1L", NULL, "Line In"},
	{"LINE2L", NULL, "Line In"},
	{"LINE1R", NULL, "Line In"},
	{"LINE2R", NULL, "Line In"},
};

/* Logic for a aic3x as connected on a davinci-evm */
static int evm_aic3x_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_dapm_context *dapm = &codec->dapm;

	/* Add davinci-evm specific widgets */
	snd_soc_dapm_new_controls(dapm, aic3x_dapm_widgets,
				  ARRAY_SIZE(aic3x_dapm_widgets));

	/* Set up davinci-evm specific audio path audio_map */
	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));

	/* not connected */
	snd_soc_dapm_disable_pin(dapm, "MONO_LOUT");
	snd_soc_dapm_disable_pin(dapm, "HPLCOM");
	snd_soc_dapm_disable_pin(dapm, "HPRCOM");

	/* always connected */
	snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
	snd_soc_dapm_enable_pin(dapm, "Line Out");
	snd_soc_dapm_enable_pin(dapm, "Mic Jack");
	snd_soc_dapm_enable_pin(dapm, "Line In");

	return 0;
}

/* davinci-evm digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link dm6446_evm_dai = {
	.name = "TLV320AIC3X",
	.stream_name = "AIC3X",
	.cpu_dai_name = "davinci-mcbsp",
	.codec_dai_name = "tlv320aic3x-hifi",
	.codec_name = "tlv320aic3x-codec.1-001b",
	.platform_name = "davinci-pcm-audio",
	.init = evm_aic3x_init,
	.ops = &evm_ops,
};

static struct snd_soc_dai_link dm355_evm_dai = {
	.name = "TLV320AIC3X",
	.stream_name = "AIC3X",
	.cpu_dai_name = "davinci-mcbsp.1",
	.codec_dai_name = "tlv320aic3x-hifi",
	.codec_name = "tlv320aic3x-codec.1-001b",
	.platform_name = "davinci-pcm-audio",
	.init = evm_aic3x_init,
	.ops = &evm_ops,
};

static struct snd_soc_dai_link dm365_evm_dai = {
#ifdef CONFIG_SND_DM365_AIC3X_CODEC
	.name = "TLV320AIC3X",
	.stream_name = "AIC3X",
	.cpu_dai_name = "davinci-mcbsp",
	.codec_dai_name = "tlv320aic3x-hifi",
	.init = evm_aic3x_init,
	.codec_name = "tlv320aic3x-codec.1-0018",
	.ops = &evm_ops,
#elif defined(CONFIG_SND_DM365_VOICE_CODEC)
	.name = "Voice Codec - CQ93VC",
	.stream_name = "CQ93",
	.cpu_dai_name = "davinci-vcif",
	.codec_dai_name = "cq93vc-hifi",
	.codec_name = "cq93vc-codec",
#endif
	.platform_name = "davinci-pcm-audio",
};

static struct snd_soc_dai_link dm6467_evm_dai[] = {
	{
		.name = "TLV320AIC3X",
		.stream_name = "AIC3X",
		.cpu_dai_name= "davinci-mcasp.0",
		.codec_dai_name = "tlv320aic3x-hifi",
		.platform_name ="davinci-pcm-audio",
		.codec_name = "tlv320aic3x-codec.0-001a",
		.init = evm_aic3x_init,
		.ops = &evm_ops,
	},
	{
		.name = "McASP",
		.stream_name = "spdif",
		.cpu_dai_name= "davinci-mcasp.1",
		.codec_dai_name = "dit-hifi",
		.codec_name = "spdif_dit",
		.platform_name = "davinci-pcm-audio",
		.ops = &evm_spdif_ops,
	},
};

static struct snd_soc_dai_link da830_evm_dai = {
	.name = "TLV320AIC3X",
	.stream_name = "AIC3X",
	.cpu_dai_name = "davinci-mcasp.1",
	.codec_dai_name = "tlv320aic3x-hifi",
	.codec_name = "tlv320aic3x-codec.1-0018",
	.platform_name = "davinci-pcm-audio",
	.init = evm_aic3x_init,
	.ops = &evm_ops,
};

static struct snd_soc_dai_link da850_evm_dai = {
	.name = "TLV320AIC3X",
	.stream_name = "AIC3X",
	.cpu_dai_name= "davinci-mcasp.0",
	.codec_dai_name = "tlv320aic3x-hifi",
	.codec_name = "tlv320aic3x-codec.1-0018",
	.platform_name = "davinci-pcm-audio",
	.init = evm_aic3x_init,
	.ops = &evm_ops,
};

/* davinci dm6446 evm audio machine driver */
static struct snd_soc_card dm6446_snd_soc_card_evm = {
	.name = "DaVinci DM6446 EVM",
	.dai_link = &dm6446_evm_dai,
	.num_links = 1,
};

/* davinci dm355 evm audio machine driver */
static struct snd_soc_card dm355_snd_soc_card_evm = {
	.name = "DaVinci DM355 EVM",
	.dai_link = &dm355_evm_dai,
	.num_links = 1,
};

/* davinci dm365 evm audio machine driver */
static struct snd_soc_card dm365_snd_soc_card_evm = {
	.name = "DaVinci DM365 EVM",
	.dai_link = &dm365_evm_dai,
	.num_links = 1,
};

/* davinci dm6467 evm audio machine driver */
static struct snd_soc_card dm6467_snd_soc_card_evm = {
	.name = "DaVinci DM6467 EVM",
	.dai_link = dm6467_evm_dai,
	.num_links = ARRAY_SIZE(dm6467_evm_dai),
};

static struct snd_soc_card da830_snd_soc_card = {
	.name = "DA830/OMAP-L137 EVM",
	.dai_link = &da830_evm_dai,
	.num_links = 1,
};

static struct snd_soc_card da850_snd_soc_card = {
	.name = "DA850/OMAP-L138 EVM",
	.dai_link = &da850_evm_dai,
	.num_links = 1,
};

static struct platform_device *evm_snd_device;

static int __init evm_init(void)
{
	struct snd_soc_card *evm_snd_dev_data;
	int index;
	int ret;

	if (machine_is_davinci_evm()) {
		evm_snd_dev_data = &dm6446_snd_soc_card_evm;
		index = 0;
	} else if (machine_is_davinci_dm355_evm()) {
		evm_snd_dev_data = &dm355_snd_soc_card_evm;
		index = 1;
	} else if (machine_is_davinci_dm365_evm()) {
		evm_snd_dev_data = &dm365_snd_soc_card_evm;
		index = 0;
	} else if (machine_is_davinci_dm6467_evm()) {
		evm_snd_dev_data = &dm6467_snd_soc_card_evm;
		index = 0;
	} else if (machine_is_davinci_da830_evm()) {
		evm_snd_dev_data = &da830_snd_soc_card;
		index = 1;
	} else if (machine_is_davinci_da850_evm()) {
		evm_snd_dev_data = &da850_snd_soc_card;
		index = 0;
	} else
		return -EINVAL;

	evm_snd_device = platform_device_alloc("soc-audio", index);
	if (!evm_snd_device)
		return -ENOMEM;

	platform_set_drvdata(evm_snd_device, evm_snd_dev_data);
	ret = platform_device_add(evm_snd_device);
	if (ret)
		platform_device_put(evm_snd_device);

	return ret;
}

static void __exit evm_exit(void)
{
	platform_device_unregister(evm_snd_device);
}

module_init(evm_init);
module_exit(evm_exit);

MODULE_AUTHOR("Vladimir Barinov");
MODULE_DESCRIPTION("TI DAVINCI EVM ASoC driver");
MODULE_LICENSE("GPL");
Commit	Line	Data
310355c1 VB	1	/*
	2	* ASoC driver for TI DAVINCI EVM platform
	3	*
d6b52039	4	* Author: Vladimir Barinov, <vbarinov@embeddedalley.com>
310355c1 VB	5	* Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.com>
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License version 2 as
	9	* published by the Free Software Foundation.
	10	*/
	11
	12	#include <linux/module.h>
	13	#include <linux/moduleparam.h>
	14	#include <linux/timer.h>
	15	#include <linux/interrupt.h>
	16	#include <linux/platform_device.h>
aa6b904e	17	#include <linux/i2c.h>
310355c1 VB	18	#include <sound/core.h>
	19	#include <sound/pcm.h>
	20	#include <sound/soc.h>
310355c1	21
310355c1	22	#include <asm/dma.h>
f492ec9f DB	23	#include <asm/mach-types.h>
	24
	25	#include <mach/asp.h>
	26	#include <mach/edma.h>
	27	#include <mach/mux.h>
310355c1	28
310355c1 VB	29	#include "davinci-pcm.h"
310355c1 VB	30	#include "davinci-i2s.h"
04f80f5c	31	#include "davinci-mcasp.h"
310355c1	32
d6f83396 TK	33	#define AUDIO_FORMAT (SND_SOC_DAIFMT_DSP_B \| \
d6f83396 TK	34	SND_SOC_DAIFMT_CBM_CFM \| SND_SOC_DAIFMT_IB_NF)
310355c1 VB	35	static int evm_hw_params(struct snd_pcm_substream *substream,
	36	struct snd_pcm_hw_params *params)
	37	{
	38	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad LG	39	struct snd_soc_dai *codec_dai = rtd->codec_dai;
f0fba2ad LG	40	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
310355c1	41	int ret = 0;
05d5e991 DB	42	unsigned sysclk;
	43
	44	/* ASP1 on DM355 EVM is clocked by an external oscillator */
9b95b166 MA	45	if (machine_is_davinci_dm355_evm() \|\| machine_is_davinci_dm6467_evm() \|\|
9b95b166 MA	46	machine_is_davinci_dm365_evm())
05d5e991 DB	47	sysclk = 27000000;
	48
	49	/* ASP0 in DM6446 EVM is clocked by U55, as configured by
	50	* board-dm644x-evm.c using GPIOs from U18. There are six
	51	* options; here we "know" we use a 48 KHz sample rate.
	52	*/
	53	else if (machine_is_davinci_evm())
	54	sysclk = 12288000;
	55
30230f4c C	56	else if (machine_is_davinci_da830_evm() \|\|
30230f4c C	57	machine_is_davinci_da850_evm())
7ae5945f C	58	sysclk = 24576000;
7ae5945f C	59
05d5e991 DB	60	else
05d5e991 DB	61	return -EINVAL;
310355c1 VB	62
310355c1 VB	63	/* set codec DAI configuration */
9e031624	64	ret = snd_soc_dai_set_fmt(codec_dai, AUDIO_FORMAT);
310355c1 VB	65	if (ret < 0)
	66	return ret;
	67
	68	/* set cpu DAI configuration */
9e031624	69	ret = snd_soc_dai_set_fmt(cpu_dai, AUDIO_FORMAT);
310355c1 VB	70	if (ret < 0)
	71	return ret;
	72
	73	/* set the codec system clock */
05d5e991	74	ret = snd_soc_dai_set_sysclk(codec_dai, 0, sysclk, SND_SOC_CLOCK_OUT);
310355c1 VB	75	if (ret < 0)
	76	return ret;
	77
	78	return 0;
	79	}
	80
8d43d1bc C	81	static int evm_spdif_hw_params(struct snd_pcm_substream *substream,
	82	struct snd_pcm_hw_params *params)
	83	{
	84	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad	85	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
8d43d1bc C	86
	87	/* set cpu DAI configuration */
	88	return snd_soc_dai_set_fmt(cpu_dai, AUDIO_FORMAT);
	89	}
	90
310355c1 VB	91	static struct snd_soc_ops evm_ops = {
	92	.hw_params = evm_hw_params,
	93	};
	94
8d43d1bc C	95	static struct snd_soc_ops evm_spdif_ops = {
	96	.hw_params = evm_spdif_hw_params,
	97	};
	98
310355c1 VB	99	/* davinci-evm machine dapm widgets */
	100	static const struct snd_soc_dapm_widget aic3x_dapm_widgets[] = {
	101	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	102	SND_SOC_DAPM_LINE("Line Out", NULL),
	103	SND_SOC_DAPM_MIC("Mic Jack", NULL),
	104	SND_SOC_DAPM_LINE("Line In", NULL),
	105	};
	106
	107	/* davinci-evm machine audio_mapnections to the codec pins */
acf497f9	108	static const struct snd_soc_dapm_route audio_map[] = {
310355c1 VB	109	/* Headphone connected to HPLOUT, HPROUT */
	110	{"Headphone Jack", NULL, "HPLOUT"},
	111	{"Headphone Jack", NULL, "HPROUT"},
	112
	113	/* Line Out connected to LLOUT, RLOUT */
	114	{"Line Out", NULL, "LLOUT"},
	115	{"Line Out", NULL, "RLOUT"},
	116
	117	/* Mic connected to (MIC3L \| MIC3R) */
	118	{"MIC3L", NULL, "Mic Bias 2V"},
	119	{"MIC3R", NULL, "Mic Bias 2V"},
	120	{"Mic Bias 2V", NULL, "Mic Jack"},
	121
	122	/* Line In connected to (LINE1L \| LINE2L), (LINE1R \| LINE2R) */
	123	{"LINE1L", NULL, "Line In"},
	124	{"LINE2L", NULL, "Line In"},
	125	{"LINE1R", NULL, "Line In"},
	126	{"LINE2R", NULL, "Line In"},
310355c1 VB	127	};
	128
	129	/* Logic for a aic3x as connected on a davinci-evm */
f0fba2ad	130	static int evm_aic3x_init(struct snd_soc_pcm_runtime *rtd)
310355c1	131	{
f0fba2ad	132	struct snd_soc_codec *codec = rtd->codec;
ce6120cc	133	struct snd_soc_dapm_context *dapm = &codec->dapm;
f0fba2ad	134
310355c1	135	/* Add davinci-evm specific widgets */
ce6120cc	136	snd_soc_dapm_new_controls(dapm, aic3x_dapm_widgets,
acf497f9	137	ARRAY_SIZE(aic3x_dapm_widgets));
310355c1 VB	138
310355c1 VB	139	/* Set up davinci-evm specific audio path audio_map */
ce6120cc	140	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
310355c1 VB	141
310355c1 VB	142	/* not connected */
ce6120cc LG	143	snd_soc_dapm_disable_pin(dapm, "MONO_LOUT");
	144	snd_soc_dapm_disable_pin(dapm, "HPLCOM");
	145	snd_soc_dapm_disable_pin(dapm, "HPRCOM");
310355c1 VB	146
310355c1 VB	147	/* always connected */
ce6120cc LG	148	snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
	149	snd_soc_dapm_enable_pin(dapm, "Line Out");
	150	snd_soc_dapm_enable_pin(dapm, "Mic Jack");
	151	snd_soc_dapm_enable_pin(dapm, "Line In");
310355c1	152
310355c1 VB	153	return 0;
	154	}
	155
	156	/* davinci-evm digital audio interface glue - connects codec <--> CPU */
bedad0ca	157	static struct snd_soc_dai_link dm6446_evm_dai = {
310355c1 VB	158	.name = "TLV320AIC3X",
310355c1 VB	159	.stream_name = "AIC3X",
bedad0ca	160	.cpu_dai_name = "davinci-mcbsp",
f0fba2ad	161	.codec_dai_name = "tlv320aic3x-hifi",
bedad0ca CPE	162	.codec_name = "tlv320aic3x-codec.1-001b",
	163	.platform_name = "davinci-pcm-audio",
	164	.init = evm_aic3x_init,
	165	.ops = &evm_ops,
	166	};
	167
	168	static struct snd_soc_dai_link dm355_evm_dai = {
	169	.name = "TLV320AIC3X",
	170	.stream_name = "AIC3X",
	171	.cpu_dai_name = "davinci-mcbsp.1",
	172	.codec_dai_name = "tlv320aic3x-hifi",
	173	.codec_name = "tlv320aic3x-codec.1-001b",
f0fba2ad	174	.platform_name = "davinci-pcm-audio",
310355c1 VB	175	.init = evm_aic3x_init,
	176	.ops = &evm_ops,
	177	};
	178
aa9b88ee MA	179	static struct snd_soc_dai_link dm365_evm_dai = {
	180	#ifdef CONFIG_SND_DM365_AIC3X_CODEC
	181	.name = "TLV320AIC3X",
	182	.stream_name = "AIC3X",
bedad0ca	183	.cpu_dai_name = "davinci-mcbsp",
f0fba2ad	184	.codec_dai_name = "tlv320aic3x-hifi",
aa9b88ee	185	.init = evm_aic3x_init,
bedad0ca	186	.codec_name = "tlv320aic3x-codec.1-0018",
aa9b88ee MA	187	.ops = &evm_ops,
	188	#elif defined(CONFIG_SND_DM365_VOICE_CODEC)
	189	.name = "Voice Codec - CQ93VC",
	190	.stream_name = "CQ93",
f0fba2ad LG	191	.cpu_dai_name = "davinci-vcif",
	192	.codec_dai_name = "cq93vc-hifi",
	193	.codec_name = "cq93vc-codec",
aa9b88ee	194	#endif
f0fba2ad	195	.platform_name = "davinci-pcm-audio",
aa9b88ee MA	196	};
aa9b88ee MA	197
04f80f5c C	198	static struct snd_soc_dai_link dm6467_evm_dai[] = {
	199	{
	200	.name = "TLV320AIC3X",
	201	.stream_name = "AIC3X",
f0fba2ad LG	202	.cpu_dai_name= "davinci-mcasp.0",
	203	.codec_dai_name = "tlv320aic3x-hifi",
	204	.platform_name ="davinci-pcm-audio",
	205	.codec_name = "tlv320aic3x-codec.0-001a",
04f80f5c C	206	.init = evm_aic3x_init,
	207	.ops = &evm_ops,
	208	},
	209	{
	210	.name = "McASP",
	211	.stream_name = "spdif",
f0fba2ad LG	212	.cpu_dai_name= "davinci-mcasp.1",
	213	.codec_dai_name = "dit-hifi",
	214	.codec_name = "spdif_dit",
	215	.platform_name = "davinci-pcm-audio",
8d43d1bc	216	.ops = &evm_spdif_ops,
04f80f5c C	217	},
04f80f5c C	218	};
f9eb9dd1 VB	219
	220	static struct snd_soc_dai_link da830_evm_dai = {
	221	.name = "TLV320AIC3X",
	222	.stream_name = "AIC3X",
	223	.cpu_dai_name = "davinci-mcasp.1",
	224	.codec_dai_name = "tlv320aic3x-hifi",
	225	.codec_name = "tlv320aic3x-codec.1-0018",
	226	.platform_name = "davinci-pcm-audio",
	227	.init = evm_aic3x_init,
	228	.ops = &evm_ops,
	229	};
	230
	231	static struct snd_soc_dai_link da850_evm_dai = {
7ae5945f C	232	.name = "TLV320AIC3X",
7ae5945f C	233	.stream_name = "AIC3X",
f0fba2ad LG	234	.cpu_dai_name= "davinci-mcasp.0",
f0fba2ad LG	235	.codec_dai_name = "tlv320aic3x-hifi",
dc5a460a	236	.codec_name = "tlv320aic3x-codec.1-0018",
f0fba2ad	237	.platform_name = "davinci-pcm-audio",
7ae5945f C	238	.init = evm_aic3x_init,
	239	.ops = &evm_ops,
	240	};
04f80f5c	241
bedad0ca CPE	242	/* davinci dm6446 evm audio machine driver */
	243	static struct snd_soc_card dm6446_snd_soc_card_evm = {
	244	.name = "DaVinci DM6446 EVM",
	245	.dai_link = &dm6446_evm_dai,
	246	.num_links = 1,
	247	};
	248
	249	/* davinci dm355 evm audio machine driver */
	250	static struct snd_soc_card dm355_snd_soc_card_evm = {
	251	.name = "DaVinci DM355 EVM",
	252	.dai_link = &dm355_evm_dai,
310355c1 VB	253	.num_links = 1,
	254	};
	255
aa9b88ee MA	256	/* davinci dm365 evm audio machine driver */
	257	static struct snd_soc_card dm365_snd_soc_card_evm = {
	258	.name = "DaVinci DM365 EVM",
aa9b88ee MA	259	.dai_link = &dm365_evm_dai,
	260	.num_links = 1,
	261	};
	262
04f80f5c C	263	/* davinci dm6467 evm audio machine driver */
	264	static struct snd_soc_card dm6467_snd_soc_card_evm = {
	265	.name = "DaVinci DM6467 EVM",
04f80f5c C	266	.dai_link = dm6467_evm_dai,
	267	.num_links = ARRAY_SIZE(dm6467_evm_dai),
	268	};
	269
7ae5945f	270	static struct snd_soc_card da830_snd_soc_card = {
30230f4c	271	.name = "DA830/OMAP-L137 EVM",
f9eb9dd1	272	.dai_link = &da830_evm_dai,
30230f4c C	273	.num_links = 1,
	274	};
	275
	276	static struct snd_soc_card da850_snd_soc_card = {
	277	.name = "DA850/OMAP-L138 EVM",
f9eb9dd1	278	.dai_link = &da850_evm_dai,
7ae5945f C	279	.num_links = 1,
	280	};
	281
310355c1 VB	282	static struct platform_device *evm_snd_device;
	283
	284	static int __init evm_init(void)
	285	{
f0fba2ad	286	struct snd_soc_card *evm_snd_dev_data;
f492ec9f	287	int index;
310355c1 VB	288	int ret;
310355c1 VB	289
aa9b88ee	290	if (machine_is_davinci_evm()) {
bedad0ca	291	evm_snd_dev_data = &dm6446_snd_soc_card_evm;
f492ec9f DB	292	index = 0;
f492ec9f DB	293	} else if (machine_is_davinci_dm355_evm()) {
bedad0ca	294	evm_snd_dev_data = &dm355_snd_soc_card_evm;
f492ec9f	295	index = 1;
aa9b88ee	296	} else if (machine_is_davinci_dm365_evm()) {
f0fba2ad	297	evm_snd_dev_data = &dm365_snd_soc_card_evm;
aa9b88ee	298	index = 0;
04f80f5c	299	} else if (machine_is_davinci_dm6467_evm()) {
f0fba2ad	300	evm_snd_dev_data = &dm6467_snd_soc_card_evm;
04f80f5c	301	index = 0;
7ae5945f	302	} else if (machine_is_davinci_da830_evm()) {
f0fba2ad	303	evm_snd_dev_data = &da830_snd_soc_card;
7ae5945f	304	index = 1;
30230f4c	305	} else if (machine_is_davinci_da850_evm()) {
f0fba2ad	306	evm_snd_dev_data = &da850_snd_soc_card;
30230f4c	307	index = 0;
f492ec9f DB	308	} else
	309	return -EINVAL;
	310
	311	evm_snd_device = platform_device_alloc("soc-audio", index);
310355c1 VB	312	if (!evm_snd_device)
	313	return -ENOMEM;
	314
04f80f5c	315	platform_set_drvdata(evm_snd_device, evm_snd_dev_data);
310355c1 VB	316	ret = platform_device_add(evm_snd_device);
	317	if (ret)
	318	platform_device_put(evm_snd_device);
	319
	320	return ret;
	321	}
	322
	323	static void __exit evm_exit(void)
	324	{
	325	platform_device_unregister(evm_snd_device);
	326	}
	327
	328	module_init(evm_init);
	329	module_exit(evm_exit);
	330
	331	MODULE_AUTHOR("Vladimir Barinov");
	332	MODULE_DESCRIPTION("TI DAVINCI EVM ASoC driver");
	333	MODULE_LICENSE("GPL");