[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/platform_data/edma.h>
#include <linux/i2c.h>
#include <linux/of_platform.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>

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

#include <linux/edma.h>

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

struct snd_soc_card_drvdata_davinci {
	unsigned sysclk;
};

#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;
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_card *soc_card = codec->card;
	int ret = 0;
	unsigned sysclk = ((struct snd_soc_card_drvdata_davinci *)
			   snd_soc_card_get_drvdata(soc_card))->sysclk;

	/* 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;

	/* set the CPU system clock */
	ret = snd_soc_dai_set_sysclk(cpu_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"},
	{"MIC3R", NULL, "Mic Bias"},
	{"Mic Bias", 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;
	struct device_node *np = codec->card->dev->of_node;
	int ret;

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

	if (np) {
		ret = snd_soc_of_parse_audio_routing(codec->card,
							"ti,audio-routing");
		if (ret)
			return ret;
	} else {
		/* 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-mcbsp",
	.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-mcbsp.1",
	.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,
	.platform_name = "davinci-mcbsp",
#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",
	.platform_name = "davinci-vcif",
#endif
};

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-mcasp.0",
		.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-mcasp.1",
		.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-mcasp.1",
	.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-mcasp.0",
	.init = evm_aic3x_init,
	.ops = &evm_ops,
};

/* davinci dm6446 evm audio machine driver */
/*
 * 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.
 */
static struct snd_soc_card_drvdata_davinci dm6446_snd_soc_card_drvdata = {
	.sysclk = 12288000,
};

static struct snd_soc_card dm6446_snd_soc_card_evm = {
	.name = "DaVinci DM6446 EVM",
	.owner = THIS_MODULE,
	.dai_link = &dm6446_evm_dai,
	.num_links = 1,
	.drvdata = &dm6446_snd_soc_card_drvdata,
};

/* davinci dm355 evm audio machine driver */
/* ASP1 on DM355 EVM is clocked by an external oscillator */
static struct snd_soc_card_drvdata_davinci dm355_snd_soc_card_drvdata = {
	.sysclk = 27000000,
};

static struct snd_soc_card dm355_snd_soc_card_evm = {
	.name = "DaVinci DM355 EVM",
	.owner = THIS_MODULE,
	.dai_link = &dm355_evm_dai,
	.num_links = 1,
	.drvdata = &dm355_snd_soc_card_drvdata,
};

/* davinci dm365 evm audio machine driver */
static struct snd_soc_card_drvdata_davinci dm365_snd_soc_card_drvdata = {
	.sysclk = 27000000,
};

static struct snd_soc_card dm365_snd_soc_card_evm = {
	.name = "DaVinci DM365 EVM",
	.owner = THIS_MODULE,
	.dai_link = &dm365_evm_dai,
	.num_links = 1,
	.drvdata = &dm365_snd_soc_card_drvdata,
};

/* davinci dm6467 evm audio machine driver */
static struct snd_soc_card_drvdata_davinci dm6467_snd_soc_card_drvdata = {
	.sysclk = 27000000,
};

static struct snd_soc_card dm6467_snd_soc_card_evm = {
	.name = "DaVinci DM6467 EVM",
	.owner = THIS_MODULE,
	.dai_link = dm6467_evm_dai,
	.num_links = ARRAY_SIZE(dm6467_evm_dai),
	.drvdata = &dm6467_snd_soc_card_drvdata,
};

static struct snd_soc_card_drvdata_davinci da830_snd_soc_card_drvdata = {
	.sysclk = 24576000,
};

static struct snd_soc_card da830_snd_soc_card = {
	.name = "DA830/OMAP-L137 EVM",
	.owner = THIS_MODULE,
	.dai_link = &da830_evm_dai,
	.num_links = 1,
	.drvdata = &da830_snd_soc_card_drvdata,
};

static struct snd_soc_card_drvdata_davinci da850_snd_soc_card_drvdata = {
	.sysclk = 24576000,
};

static struct snd_soc_card da850_snd_soc_card = {
	.name = "DA850/OMAP-L138 EVM",
	.owner = THIS_MODULE,
	.dai_link = &da850_evm_dai,
	.num_links = 1,
	.drvdata = &da850_snd_soc_card_drvdata,
};

#if defined(CONFIG_OF)

/*
 * The struct is used as place holder. It will be completely
 * filled with data from dt node.
 */
static struct snd_soc_dai_link evm_dai_tlv320aic3x = {
	.name		= "TLV320AIC3X",
	.stream_name	= "AIC3X",
	.codec_dai_name	= "tlv320aic3x-hifi",
	.ops            = &evm_ops,
	.init           = evm_aic3x_init,
};

static const struct of_device_id davinci_evm_dt_ids[] = {
	{
		.compatible = "ti,da830-evm-audio",
		.data = (void *) &evm_dai_tlv320aic3x,
	},
	{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, davinci_evm_dt_ids);

/* davinci evm audio machine driver */
static struct snd_soc_card evm_soc_card = {
	.owner = THIS_MODULE,
	.num_links = 1,
};

static int davinci_evm_probe(struct platform_device *pdev)
{
	struct device_node *np = pdev->dev.of_node;
	const struct of_device_id *match =
		of_match_device(of_match_ptr(davinci_evm_dt_ids), &pdev->dev);
	struct snd_soc_dai_link *dai = (struct snd_soc_dai_link *) match->data;
	struct snd_soc_card_drvdata_davinci *drvdata = NULL;
	int ret = 0;

	evm_soc_card.dai_link = dai;

	dai->codec_of_node = of_parse_phandle(np, "ti,audio-codec", 0);
	if (!dai->codec_of_node)
		return -EINVAL;

	dai->cpu_of_node = of_parse_phandle(np, "ti,mcasp-controller", 0);
	if (!dai->cpu_of_node)
		return -EINVAL;

	dai->platform_of_node = dai->cpu_of_node;

	evm_soc_card.dev = &pdev->dev;
	ret = snd_soc_of_parse_card_name(&evm_soc_card, "ti,model");
	if (ret)
		return ret;

	drvdata = devm_kzalloc(&pdev->dev, sizeof(*drvdata), GFP_KERNEL);
	if (!drvdata)
		return -ENOMEM;

	ret = of_property_read_u32(np, "ti,codec-clock-rate", &drvdata->sysclk);
	if (ret < 0)
		return -EINVAL;

	snd_soc_card_set_drvdata(&evm_soc_card, drvdata);
	ret = devm_snd_soc_register_card(&pdev->dev, &evm_soc_card);

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

	return ret;
}

static int davinci_evm_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 davinci_evm_driver = {
	.probe		= davinci_evm_probe,
	.remove		= davinci_evm_remove,
	.driver		= {
		.name	= "davinci_evm",
		.owner	= THIS_MODULE,
		.of_match_table = of_match_ptr(davinci_evm_dt_ids),
	},
};
#endif

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 dtb is there, the devices will be created dynamically.
	 * Only register platfrom driver structure.
	 */
#if defined(CONFIG_OF)
	if (of_have_populated_dt())
		return platform_driver_register(&davinci_evm_driver);
#endif

	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)
{
#if defined(CONFIG_OF)
	if (of_have_populated_dt()) {
		platform_driver_unregister(&davinci_evm_driver);
		return;
	}
#endif

	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>
3ad7a42d	17	#include <linux/platform_data/edma.h>
aa6b904e	18	#include <linux/i2c.h>
ee2f615d	19	#include <linux/of_platform.h>
310355c1 VB	20	#include <sound/core.h>
	21	#include <sound/pcm.h>
	22	#include <sound/soc.h>
310355c1	23
310355c1	24	#include <asm/dma.h>
f492ec9f DB	25	#include <asm/mach-types.h>
f492ec9f DB	26
ee2f615d HG	27	#include <linux/edma.h>
ee2f615d HG	28
310355c1 VB	29	#include "davinci-pcm.h"
310355c1 VB	30	#include "davinci-i2s.h"
310355c1	31
bcf25567 JS	32	struct snd_soc_card_drvdata_davinci {
	33	unsigned sysclk;
	34	};
	35
d6f83396 TK	36	#define AUDIO_FORMAT (SND_SOC_DAIFMT_DSP_B \| \
d6f83396 TK	37	SND_SOC_DAIFMT_CBM_CFM \| SND_SOC_DAIFMT_IB_NF)
310355c1 VB	38	static int evm_hw_params(struct snd_pcm_substream *substream,
	39	struct snd_pcm_hw_params *params)
	40	{
	41	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad LG	42	struct snd_soc_dai *codec_dai = rtd->codec_dai;
f0fba2ad LG	43	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
bcf25567 JS	44	struct snd_soc_codec *codec = rtd->codec;
bcf25567 JS	45	struct snd_soc_card *soc_card = codec->card;
310355c1	46	int ret = 0;
bcf25567 JS	47	unsigned sysclk = ((struct snd_soc_card_drvdata_davinci *)
bcf25567 JS	48	snd_soc_card_get_drvdata(soc_card))->sysclk;
310355c1 VB	49
310355c1 VB	50	/* set codec DAI configuration */
9e031624	51	ret = snd_soc_dai_set_fmt(codec_dai, AUDIO_FORMAT);
310355c1 VB	52	if (ret < 0)
	53	return ret;
	54
	55	/* set cpu DAI configuration */
9e031624	56	ret = snd_soc_dai_set_fmt(cpu_dai, AUDIO_FORMAT);
310355c1 VB	57	if (ret < 0)
	58	return ret;
	59
	60	/* set the codec system clock */
05d5e991	61	ret = snd_soc_dai_set_sysclk(codec_dai, 0, sysclk, SND_SOC_CLOCK_OUT);
310355c1 VB	62	if (ret < 0)
	63	return ret;
	64
5b66aa2d DM	65	/* set the CPU system clock */
	66	ret = snd_soc_dai_set_sysclk(cpu_dai, 0, sysclk, SND_SOC_CLOCK_OUT);
	67	if (ret < 0)
	68	return ret;
	69
310355c1 VB	70	return 0;
	71	}
	72
8d43d1bc C	73	static int evm_spdif_hw_params(struct snd_pcm_substream *substream,
	74	struct snd_pcm_hw_params *params)
	75	{
	76	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad	77	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
8d43d1bc C	78
	79	/* set cpu DAI configuration */
	80	return snd_soc_dai_set_fmt(cpu_dai, AUDIO_FORMAT);
	81	}
	82
310355c1 VB	83	static struct snd_soc_ops evm_ops = {
	84	.hw_params = evm_hw_params,
	85	};
	86
8d43d1bc C	87	static struct snd_soc_ops evm_spdif_ops = {
	88	.hw_params = evm_spdif_hw_params,
	89	};
	90
310355c1 VB	91	/* davinci-evm machine dapm widgets */
	92	static const struct snd_soc_dapm_widget aic3x_dapm_widgets[] = {
	93	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	94	SND_SOC_DAPM_LINE("Line Out", NULL),
	95	SND_SOC_DAPM_MIC("Mic Jack", NULL),
	96	SND_SOC_DAPM_LINE("Line In", NULL),
	97	};
	98
	99	/* davinci-evm machine audio_mapnections to the codec pins */
acf497f9	100	static const struct snd_soc_dapm_route audio_map[] = {
310355c1 VB	101	/* Headphone connected to HPLOUT, HPROUT */
	102	{"Headphone Jack", NULL, "HPLOUT"},
	103	{"Headphone Jack", NULL, "HPROUT"},
	104
	105	/* Line Out connected to LLOUT, RLOUT */
	106	{"Line Out", NULL, "LLOUT"},
	107	{"Line Out", NULL, "RLOUT"},
	108
	109	/* Mic connected to (MIC3L \| MIC3R) */
e2e8bfdf HG	110	{"MIC3L", NULL, "Mic Bias"},
	111	{"MIC3R", NULL, "Mic Bias"},
	112	{"Mic Bias", NULL, "Mic Jack"},
310355c1 VB	113
	114	/* Line In connected to (LINE1L \| LINE2L), (LINE1R \| LINE2R) */
	115	{"LINE1L", NULL, "Line In"},
	116	{"LINE2L", NULL, "Line In"},
	117	{"LINE1R", NULL, "Line In"},
	118	{"LINE2R", NULL, "Line In"},
310355c1 VB	119	};
	120
	121	/* Logic for a aic3x as connected on a davinci-evm */
f0fba2ad	122	static int evm_aic3x_init(struct snd_soc_pcm_runtime *rtd)
310355c1	123	{
f0fba2ad	124	struct snd_soc_codec *codec = rtd->codec;
ce6120cc	125	struct snd_soc_dapm_context *dapm = &codec->dapm;
ee2f615d HG	126	struct device_node *np = codec->card->dev->of_node;
ee2f615d HG	127	int ret;
f0fba2ad	128
310355c1	129	/* Add davinci-evm specific widgets */
ce6120cc	130	snd_soc_dapm_new_controls(dapm, aic3x_dapm_widgets,
acf497f9	131	ARRAY_SIZE(aic3x_dapm_widgets));
310355c1	132
ee2f615d HG	133	if (np) {
	134	ret = snd_soc_of_parse_audio_routing(codec->card,
	135	"ti,audio-routing");
	136	if (ret)
	137	return ret;
	138	} else {
	139	/* Set up davinci-evm specific audio path audio_map */
	140	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
	141	}
310355c1 VB	142
310355c1 VB	143	/* not connected */
ce6120cc LG	144	snd_soc_dapm_disable_pin(dapm, "MONO_LOUT");
	145	snd_soc_dapm_disable_pin(dapm, "HPLCOM");
	146	snd_soc_dapm_disable_pin(dapm, "HPRCOM");
310355c1 VB	147
310355c1 VB	148	/* always connected */
ce6120cc LG	149	snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
	150	snd_soc_dapm_enable_pin(dapm, "Line Out");
	151	snd_soc_dapm_enable_pin(dapm, "Mic Jack");
	152	snd_soc_dapm_enable_pin(dapm, "Line In");
310355c1	153
310355c1 VB	154	return 0;
	155	}
	156
	157	/* davinci-evm digital audio interface glue - connects codec <--> CPU */
bedad0ca	158	static struct snd_soc_dai_link dm6446_evm_dai = {
310355c1 VB	159	.name = "TLV320AIC3X",
310355c1 VB	160	.stream_name = "AIC3X",
bedad0ca	161	.cpu_dai_name = "davinci-mcbsp",
f0fba2ad	162	.codec_dai_name = "tlv320aic3x-hifi",
bedad0ca	163	.codec_name = "tlv320aic3x-codec.1-001b",
f08095a4	164	.platform_name = "davinci-mcbsp",
bedad0ca CPE	165	.init = evm_aic3x_init,
	166	.ops = &evm_ops,
	167	};
	168
	169	static struct snd_soc_dai_link dm355_evm_dai = {
	170	.name = "TLV320AIC3X",
	171	.stream_name = "AIC3X",
	172	.cpu_dai_name = "davinci-mcbsp.1",
	173	.codec_dai_name = "tlv320aic3x-hifi",
	174	.codec_name = "tlv320aic3x-codec.1-001b",
f08095a4	175	.platform_name = "davinci-mcbsp.1",
310355c1 VB	176	.init = evm_aic3x_init,
	177	.ops = &evm_ops,
	178	};
	179
aa9b88ee MA	180	static struct snd_soc_dai_link dm365_evm_dai = {
	181	#ifdef CONFIG_SND_DM365_AIC3X_CODEC
	182	.name = "TLV320AIC3X",
	183	.stream_name = "AIC3X",
bedad0ca	184	.cpu_dai_name = "davinci-mcbsp",
f0fba2ad	185	.codec_dai_name = "tlv320aic3x-hifi",
aa9b88ee	186	.init = evm_aic3x_init,
bedad0ca	187	.codec_name = "tlv320aic3x-codec.1-0018",
aa9b88ee	188	.ops = &evm_ops,
f08095a4	189	.platform_name = "davinci-mcbsp",
aa9b88ee MA	190	#elif defined(CONFIG_SND_DM365_VOICE_CODEC)
	191	.name = "Voice Codec - CQ93VC",
	192	.stream_name = "CQ93",
f0fba2ad LG	193	.cpu_dai_name = "davinci-vcif",
	194	.codec_dai_name = "cq93vc-hifi",
	195	.codec_name = "cq93vc-codec",
ffb690d5	196	.platform_name = "davinci-vcif",
aa9b88ee MA	197	#endif
	198	};
	199
04f80f5c C	200	static struct snd_soc_dai_link dm6467_evm_dai[] = {
	201	{
	202	.name = "TLV320AIC3X",
	203	.stream_name = "AIC3X",
f0fba2ad LG	204	.cpu_dai_name= "davinci-mcasp.0",
f0fba2ad LG	205	.codec_dai_name = "tlv320aic3x-hifi",
f08095a4	206	.platform_name = "davinci-mcasp.0",
f0fba2ad	207	.codec_name = "tlv320aic3x-codec.0-001a",
04f80f5c C	208	.init = evm_aic3x_init,
	209	.ops = &evm_ops,
	210	},
	211	{
	212	.name = "McASP",
	213	.stream_name = "spdif",
f0fba2ad LG	214	.cpu_dai_name= "davinci-mcasp.1",
	215	.codec_dai_name = "dit-hifi",
	216	.codec_name = "spdif_dit",
f08095a4	217	.platform_name = "davinci-mcasp.1",
8d43d1bc	218	.ops = &evm_spdif_ops,
04f80f5c C	219	},
04f80f5c C	220	};
f9eb9dd1 VB	221
	222	static struct snd_soc_dai_link da830_evm_dai = {
	223	.name = "TLV320AIC3X",
	224	.stream_name = "AIC3X",
	225	.cpu_dai_name = "davinci-mcasp.1",
	226	.codec_dai_name = "tlv320aic3x-hifi",
	227	.codec_name = "tlv320aic3x-codec.1-0018",
f08095a4	228	.platform_name = "davinci-mcasp.1",
f9eb9dd1 VB	229	.init = evm_aic3x_init,
	230	.ops = &evm_ops,
	231	};
	232
	233	static struct snd_soc_dai_link da850_evm_dai = {
7ae5945f C	234	.name = "TLV320AIC3X",
7ae5945f C	235	.stream_name = "AIC3X",
f0fba2ad LG	236	.cpu_dai_name= "davinci-mcasp.0",
f0fba2ad LG	237	.codec_dai_name = "tlv320aic3x-hifi",
dc5a460a	238	.codec_name = "tlv320aic3x-codec.1-0018",
f08095a4	239	.platform_name = "davinci-mcasp.0",
7ae5945f C	240	.init = evm_aic3x_init,
	241	.ops = &evm_ops,
	242	};
04f80f5c	243
bedad0ca	244	/* davinci dm6446 evm audio machine driver */
bcf25567 JS	245	/*
	246	* ASP0 in DM6446 EVM is clocked by U55, as configured by
	247	* board-dm644x-evm.c using GPIOs from U18. There are six
	248	* options; here we "know" we use a 48 KHz sample rate.
	249	*/
	250	static struct snd_soc_card_drvdata_davinci dm6446_snd_soc_card_drvdata = {
	251	.sysclk = 12288000,
	252	};
	253
bedad0ca CPE	254	static struct snd_soc_card dm6446_snd_soc_card_evm = {
bedad0ca CPE	255	.name = "DaVinci DM6446 EVM",
36a16d1a	256	.owner = THIS_MODULE,
bedad0ca CPE	257	.dai_link = &dm6446_evm_dai,
bedad0ca CPE	258	.num_links = 1,
bcf25567	259	.drvdata = &dm6446_snd_soc_card_drvdata,
bedad0ca CPE	260	};
	261
	262	/* davinci dm355 evm audio machine driver */
bcf25567 JS	263	/* ASP1 on DM355 EVM is clocked by an external oscillator */
	264	static struct snd_soc_card_drvdata_davinci dm355_snd_soc_card_drvdata = {
	265	.sysclk = 27000000,
	266	};
	267
bedad0ca CPE	268	static struct snd_soc_card dm355_snd_soc_card_evm = {
bedad0ca CPE	269	.name = "DaVinci DM355 EVM",
36a16d1a	270	.owner = THIS_MODULE,
bedad0ca	271	.dai_link = &dm355_evm_dai,
310355c1	272	.num_links = 1,
bcf25567	273	.drvdata = &dm355_snd_soc_card_drvdata,
310355c1 VB	274	};
310355c1 VB	275
aa9b88ee	276	/* davinci dm365 evm audio machine driver */
bcf25567 JS	277	static struct snd_soc_card_drvdata_davinci dm365_snd_soc_card_drvdata = {
	278	.sysclk = 27000000,
	279	};
	280
aa9b88ee MA	281	static struct snd_soc_card dm365_snd_soc_card_evm = {
aa9b88ee MA	282	.name = "DaVinci DM365 EVM",
36a16d1a	283	.owner = THIS_MODULE,
aa9b88ee MA	284	.dai_link = &dm365_evm_dai,
aa9b88ee MA	285	.num_links = 1,
bcf25567	286	.drvdata = &dm365_snd_soc_card_drvdata,
aa9b88ee MA	287	};
aa9b88ee MA	288
04f80f5c	289	/* davinci dm6467 evm audio machine driver */
bcf25567 JS	290	static struct snd_soc_card_drvdata_davinci dm6467_snd_soc_card_drvdata = {
	291	.sysclk = 27000000,
	292	};
	293
04f80f5c C	294	static struct snd_soc_card dm6467_snd_soc_card_evm = {
04f80f5c C	295	.name = "DaVinci DM6467 EVM",
36a16d1a	296	.owner = THIS_MODULE,
04f80f5c C	297	.dai_link = dm6467_evm_dai,
04f80f5c C	298	.num_links = ARRAY_SIZE(dm6467_evm_dai),
bcf25567 JS	299	.drvdata = &dm6467_snd_soc_card_drvdata,
	300	};
	301
	302	static struct snd_soc_card_drvdata_davinci da830_snd_soc_card_drvdata = {
	303	.sysclk = 24576000,
04f80f5c C	304	};
04f80f5c C	305
7ae5945f	306	static struct snd_soc_card da830_snd_soc_card = {
30230f4c	307	.name = "DA830/OMAP-L137 EVM",
36a16d1a	308	.owner = THIS_MODULE,
f9eb9dd1	309	.dai_link = &da830_evm_dai,
30230f4c	310	.num_links = 1,
bcf25567 JS	311	.drvdata = &da830_snd_soc_card_drvdata,
	312	};
	313
	314	static struct snd_soc_card_drvdata_davinci da850_snd_soc_card_drvdata = {
	315	.sysclk = 24576000,
30230f4c C	316	};
	317
	318	static struct snd_soc_card da850_snd_soc_card = {
	319	.name = "DA850/OMAP-L138 EVM",
36a16d1a	320	.owner = THIS_MODULE,
f9eb9dd1	321	.dai_link = &da850_evm_dai,
7ae5945f	322	.num_links = 1,
bcf25567	323	.drvdata = &da850_snd_soc_card_drvdata,
7ae5945f C	324	};
7ae5945f C	325
ee2f615d HG	326	#if defined(CONFIG_OF)
	327
	328	/*
	329	* The struct is used as place holder. It will be completely
	330	* filled with data from dt node.
	331	*/
	332	static struct snd_soc_dai_link evm_dai_tlv320aic3x = {
	333	.name = "TLV320AIC3X",
	334	.stream_name = "AIC3X",
	335	.codec_dai_name = "tlv320aic3x-hifi",
	336	.ops = &evm_ops,
	337	.init = evm_aic3x_init,
	338	};
	339
	340	static const struct of_device_id davinci_evm_dt_ids[] = {
	341	{
	342	.compatible = "ti,da830-evm-audio",
	343	.data = (void *) &evm_dai_tlv320aic3x,
	344	},
	345	{ /* sentinel */ }
	346	};
	347	MODULE_DEVICE_TABLE(of, davinci_evm_dt_ids);
	348
	349	/* davinci evm audio machine driver */
	350	static struct snd_soc_card evm_soc_card = {
	351	.owner = THIS_MODULE,
	352	.num_links = 1,
	353	};
	354
	355	static int davinci_evm_probe(struct platform_device *pdev)
	356	{
	357	struct device_node *np = pdev->dev.of_node;
	358	const struct of_device_id *match =
	359	of_match_device(of_match_ptr(davinci_evm_dt_ids), &pdev->dev);
	360	struct snd_soc_dai_link dai = (struct snd_soc_dai_link ) match->data;
	361	struct snd_soc_card_drvdata_davinci *drvdata = NULL;
	362	int ret = 0;
	363
	364	evm_soc_card.dai_link = dai;
	365
	366	dai->codec_of_node = of_parse_phandle(np, "ti,audio-codec", 0);
	367	if (!dai->codec_of_node)
	368	return -EINVAL;
	369
	370	dai->cpu_of_node = of_parse_phandle(np, "ti,mcasp-controller", 0);
	371	if (!dai->cpu_of_node)
	372	return -EINVAL;
	373
	374	dai->platform_of_node = dai->cpu_of_node;
	375
	376	evm_soc_card.dev = &pdev->dev;
	377	ret = snd_soc_of_parse_card_name(&evm_soc_card, "ti,model");
	378	if (ret)
	379	return ret;
	380
	381	drvdata = devm_kzalloc(&pdev->dev, sizeof(*drvdata), GFP_KERNEL);
	382	if (!drvdata)
	383	return -ENOMEM;
	384
	385	ret = of_property_read_u32(np, "ti,codec-clock-rate", &drvdata->sysclk);
	386	if (ret < 0)
	387	return -EINVAL;
	388
	389	snd_soc_card_set_drvdata(&evm_soc_card, drvdata);
390	ret = devm_snd_soc_register_card(&pdev->dev, &evm_soc_card);
391
392	if (ret)
393	dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret);
394
395	return ret;
396	}
397
398	static int davinci_evm_remove(struct platform_device *pdev)
399	{
400	struct snd_soc_card *card = platform_get_drvdata(pdev);
401
402	snd_soc_unregister_card(card);
403
404	return 0;
405	}
406
407	static struct platform_driver davinci_evm_driver = {
408	.probe = davinci_evm_probe,
409	.remove = davinci_evm_remove,
410	.driver = {
411	.name = "davinci_evm",
412	.owner = THIS_MODULE,
413	.of_match_table = of_match_ptr(davinci_evm_dt_ids),
414	},
415	};
416	#endif
417
310355c1 VB	418	static struct platform_device *evm_snd_device;
	419
	420	static int __init evm_init(void)
	421	{
f0fba2ad	422	struct snd_soc_card *evm_snd_dev_data;
f492ec9f	423	int index;
310355c1 VB	424	int ret;
310355c1 VB	425
ee2f615d HG	426	/*
	427	* If dtb is there, the devices will be created dynamically.
	428	* Only register platfrom driver structure.
	429	*/
	430	#if defined(CONFIG_OF)
	431	if (of_have_populated_dt())
	432	return platform_driver_register(&davinci_evm_driver);
	433	#endif
	434
aa9b88ee	435	if (machine_is_davinci_evm()) {
bedad0ca	436	evm_snd_dev_data = &dm6446_snd_soc_card_evm;
f492ec9f DB	437	index = 0;
f492ec9f DB	438	} else if (machine_is_davinci_dm355_evm()) {
bedad0ca	439	evm_snd_dev_data = &dm355_snd_soc_card_evm;
f492ec9f	440	index = 1;
aa9b88ee	441	} else if (machine_is_davinci_dm365_evm()) {
f0fba2ad	442	evm_snd_dev_data = &dm365_snd_soc_card_evm;
aa9b88ee	443	index = 0;
04f80f5c	444	} else if (machine_is_davinci_dm6467_evm()) {
f0fba2ad	445	evm_snd_dev_data = &dm6467_snd_soc_card_evm;
04f80f5c	446	index = 0;
7ae5945f	447	} else if (machine_is_davinci_da830_evm()) {
f0fba2ad	448	evm_snd_dev_data = &da830_snd_soc_card;
7ae5945f	449	index = 1;
30230f4c	450	} else if (machine_is_davinci_da850_evm()) {
f0fba2ad	451	evm_snd_dev_data = &da850_snd_soc_card;
30230f4c	452	index = 0;
f492ec9f DB	453	} else
	454	return -EINVAL;
	455
	456	evm_snd_device = platform_device_alloc("soc-audio", index);
310355c1 VB	457	if (!evm_snd_device)
	458	return -ENOMEM;
	459
04f80f5c	460	platform_set_drvdata(evm_snd_device, evm_snd_dev_data);
310355c1 VB	461	ret = platform_device_add(evm_snd_device);
	462	if (ret)
	463	platform_device_put(evm_snd_device);
	464
	465	return ret;
	466	}
	467
	468	static void __exit evm_exit(void)
	469	{
ee2f615d HG	470	#if defined(CONFIG_OF)
	471	if (of_have_populated_dt()) {
	472	platform_driver_unregister(&davinci_evm_driver);
	473	return;
	474	}
	475	#endif
	476
310355c1 VB	477	platform_device_unregister(evm_snd_device);
	478	}
	479
	480	module_init(evm_init);
	481	module_exit(evm_exit);
	482
	483	MODULE_AUTHOR("Vladimir Barinov");
	484	MODULE_DESCRIPTION("TI DAVINCI EVM ASoC driver");
	485	MODULE_LICENSE("GPL");