[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 <linux/clk.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 {
	struct clk *mclk;
	unsigned sysclk;
};

static int evm_startup(struct snd_pcm_substream *substream)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_card *soc_card = rtd->card;
	struct snd_soc_card_drvdata_davinci *drvdata =
		snd_soc_card_get_drvdata(soc_card);

	if (drvdata->mclk)
		return clk_prepare_enable(drvdata->mclk);

	return 0;
}

static void evm_shutdown(struct snd_pcm_substream *substream)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_card *soc_card = rtd->card;
	struct snd_soc_card_drvdata_davinci *drvdata =
		snd_soc_card_get_drvdata(soc_card);

	if (drvdata->mclk)
		clk_disable_unprepare(drvdata->mclk);
}

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_card *soc_card = rtd->card;
	int ret = 0;
	unsigned sysclk = ((struct snd_soc_card_drvdata_davinci *)
			   snd_soc_card_get_drvdata(soc_card))->sysclk;

	/* 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 struct snd_soc_ops evm_ops = {
	.startup = evm_startup,
	.shutdown = evm_shutdown,
	.hw_params = evm_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_card *card = rtd->card;
	struct snd_soc_codec *codec = rtd->codec;
	struct device_node *np = card->dev->of_node;
	int ret;

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

	if (np) {
		ret = snd_soc_of_parse_audio_routing(card, "ti,audio-routing");
		if (ret)
			return ret;
	} else {
		/* Set up davinci-evm specific audio path audio_map */
		snd_soc_dapm_add_routes(&card->dapm, audio_map,
					ARRAY_SIZE(audio_map));
	}

	/* not connected */
	snd_soc_dapm_nc_pin(&codec->dapm, "MONO_LOUT");
	snd_soc_dapm_nc_pin(&codec->dapm, "HPLCOM");
	snd_soc_dapm_nc_pin(&codec->dapm, "HPRCOM");

	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,
	.dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM |
		   SND_SOC_DAIFMT_IB_NF,
};

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,
	.dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM |
		   SND_SOC_DAIFMT_IB_NF,
};

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",
	.codec_name = "tlv320aic3x-codec.1-0018",
	.platform_name = "davinci-mcbsp",
	.init = evm_aic3x_init,
	.ops = &evm_ops,
	.dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM |
		   SND_SOC_DAIFMT_IB_NF,
#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,
		.dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM |
			   SND_SOC_DAIFMT_IB_NF,
	},
	{
		.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",
		.dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM |
			   SND_SOC_DAIFMT_IB_NF,
	},
};

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,
	.dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM |
		   SND_SOC_DAIFMT_IB_NF,
};

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,
	.dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM |
		   SND_SOC_DAIFMT_IB_NF,
};

/* 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,
	.dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBM_CFM |
		   SND_SOC_DAIFMT_IB_NF,
};

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;
	struct clk *mclk;
	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;

	mclk = devm_clk_get(&pdev->dev, "mclk");
	if (PTR_ERR(mclk) == -EPROBE_DEFER) {
		return -EPROBE_DEFER;
	} else if (IS_ERR(mclk)) {
		dev_dbg(&pdev->dev, "mclk not found.\n");
		mclk = NULL;
	}

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

	drvdata->mclk = mclk;

	ret = of_property_read_u32(np, "ti,codec-clock-rate", &drvdata->sysclk);

	if (ret < 0) {
		if (!drvdata->mclk) {
			dev_err(&pdev->dev,
				"No clock or clock rate defined.\n");
			return -EINVAL;
		}
		drvdata->sysclk = clk_get_rate(drvdata->mclk);
	} else if (drvdata->mclk) {
		unsigned int requestd_rate = drvdata->sysclk;
		clk_set_rate(drvdata->mclk, drvdata->sysclk);
		drvdata->sysclk = clk_get_rate(drvdata->mclk);
		if (drvdata->sysclk != requestd_rate)
			dev_warn(&pdev->dev,
				 "Could not get requested rate %u using %u.\n",
				 requestd_rate, drvdata->sysclk);
	}

	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,
		.pm	= &snd_soc_pm_ops,
		.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>
5ad8865b	20	#include <linux/clk.h>
310355c1 VB	21	#include <sound/core.h>
	22	#include <sound/pcm.h>
	23	#include <sound/soc.h>
310355c1	24
310355c1	25	#include <asm/dma.h>
f492ec9f DB	26	#include <asm/mach-types.h>
f492ec9f DB	27
ee2f615d HG	28	#include <linux/edma.h>
ee2f615d HG	29
310355c1 VB	30	#include "davinci-pcm.h"
310355c1 VB	31	#include "davinci-i2s.h"
310355c1	32
bcf25567	33	struct snd_soc_card_drvdata_davinci {
5ad8865b	34	struct clk *mclk;
bcf25567 JS	35	unsigned sysclk;
	36	};
	37
5ad8865b JS	38	static int evm_startup(struct snd_pcm_substream *substream)
	39	{
	40	struct snd_soc_pcm_runtime *rtd = substream->private_data;
2896b8b4	41	struct snd_soc_card *soc_card = rtd->card;
5ad8865b JS	42	struct snd_soc_card_drvdata_davinci *drvdata =
	43	snd_soc_card_get_drvdata(soc_card);
	44
	45	if (drvdata->mclk)
	46	return clk_prepare_enable(drvdata->mclk);
	47
	48	return 0;
	49	}
	50
	51	static void evm_shutdown(struct snd_pcm_substream *substream)
	52	{
	53	struct snd_soc_pcm_runtime *rtd = substream->private_data;
2896b8b4	54	struct snd_soc_card *soc_card = rtd->card;
5ad8865b JS	55	struct snd_soc_card_drvdata_davinci *drvdata =
	56	snd_soc_card_get_drvdata(soc_card);
	57
	58	if (drvdata->mclk)
	59	clk_disable_unprepare(drvdata->mclk);
	60	}
	61
310355c1 VB	62	static int evm_hw_params(struct snd_pcm_substream *substream,
	63	struct snd_pcm_hw_params *params)
	64	{
	65	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad LG	66	struct snd_soc_dai *codec_dai = rtd->codec_dai;
f0fba2ad LG	67	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
2896b8b4	68	struct snd_soc_card *soc_card = rtd->card;
310355c1	69	int ret = 0;
bcf25567 JS	70	unsigned sysclk = ((struct snd_soc_card_drvdata_davinci *)
bcf25567 JS	71	snd_soc_card_get_drvdata(soc_card))->sysclk;
310355c1	72
310355c1	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
5b66aa2d DM	78	/* set the CPU system clock */
	79	ret = snd_soc_dai_set_sysclk(cpu_dai, 0, sysclk, SND_SOC_CLOCK_OUT);
	80	if (ret < 0)
	81	return ret;
	82
310355c1 VB	83	return 0;
	84	}
	85
	86	static struct snd_soc_ops evm_ops = {
5ad8865b JS	87	.startup = evm_startup,
5ad8865b JS	88	.shutdown = evm_shutdown,
310355c1 VB	89	.hw_params = evm_hw_params,
	90	};
	91
	92	/* davinci-evm machine dapm widgets */
	93	static const struct snd_soc_dapm_widget aic3x_dapm_widgets[] = {
	94	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	95	SND_SOC_DAPM_LINE("Line Out", NULL),
	96	SND_SOC_DAPM_MIC("Mic Jack", NULL),
	97	SND_SOC_DAPM_LINE("Line In", NULL),
	98	};
	99
	100	/* davinci-evm machine audio_mapnections to the codec pins */
acf497f9	101	static const struct snd_soc_dapm_route audio_map[] = {
310355c1 VB	102	/* Headphone connected to HPLOUT, HPROUT */
	103	{"Headphone Jack", NULL, "HPLOUT"},
	104	{"Headphone Jack", NULL, "HPROUT"},
	105
	106	/* Line Out connected to LLOUT, RLOUT */
	107	{"Line Out", NULL, "LLOUT"},
	108	{"Line Out", NULL, "RLOUT"},
	109
	110	/* Mic connected to (MIC3L \| MIC3R) */
e2e8bfdf HG	111	{"MIC3L", NULL, "Mic Bias"},
	112	{"MIC3R", NULL, "Mic Bias"},
	113	{"Mic Bias", NULL, "Mic Jack"},
310355c1 VB	114
	115	/* Line In connected to (LINE1L \| LINE2L), (LINE1R \| LINE2R) */
	116	{"LINE1L", NULL, "Line In"},
	117	{"LINE2L", NULL, "Line In"},
	118	{"LINE1R", NULL, "Line In"},
	119	{"LINE2R", NULL, "Line In"},
310355c1 VB	120	};
	121
	122	/* Logic for a aic3x as connected on a davinci-evm */
f0fba2ad	123	static int evm_aic3x_init(struct snd_soc_pcm_runtime *rtd)
310355c1	124	{
d343a660	125	struct snd_soc_card *card = rtd->card;
f0fba2ad	126	struct snd_soc_codec *codec = rtd->codec;
2896b8b4	127	struct device_node *np = card->dev->of_node;
ee2f615d	128	int ret;
f0fba2ad	129
310355c1	130	/* Add davinci-evm specific widgets */
d343a660	131	snd_soc_dapm_new_controls(&card->dapm, aic3x_dapm_widgets,
acf497f9	132	ARRAY_SIZE(aic3x_dapm_widgets));
310355c1	133
ee2f615d	134	if (np) {
d343a660	135	ret = snd_soc_of_parse_audio_routing(card, "ti,audio-routing");
ee2f615d HG	136	if (ret)
	137	return ret;
	138	} else {
	139	/* Set up davinci-evm specific audio path audio_map */
d343a660 LPC	140	snd_soc_dapm_add_routes(&card->dapm, audio_map,
d343a660 LPC	141	ARRAY_SIZE(audio_map));
ee2f615d	142	}
310355c1 VB	143
310355c1 VB	144	/* not connected */
d343a660 LPC	145	snd_soc_dapm_nc_pin(&codec->dapm, "MONO_LOUT");
	146	snd_soc_dapm_nc_pin(&codec->dapm, "HPLCOM");
	147	snd_soc_dapm_nc_pin(&codec->dapm, "HPRCOM");
310355c1	148
310355c1 VB	149	return 0;
	150	}
	151
	152	/* davinci-evm digital audio interface glue - connects codec <--> CPU */
bedad0ca	153	static struct snd_soc_dai_link dm6446_evm_dai = {
310355c1 VB	154	.name = "TLV320AIC3X",
310355c1 VB	155	.stream_name = "AIC3X",
bedad0ca	156	.cpu_dai_name = "davinci-mcbsp",
f0fba2ad	157	.codec_dai_name = "tlv320aic3x-hifi",
bedad0ca	158	.codec_name = "tlv320aic3x-codec.1-001b",
f08095a4	159	.platform_name = "davinci-mcbsp",
bedad0ca CPE	160	.init = evm_aic3x_init,
bedad0ca CPE	161	.ops = &evm_ops,
d38970e1 PU	162	.dai_fmt = SND_SOC_DAIFMT_DSP_B \| SND_SOC_DAIFMT_CBM_CFM \|
d38970e1 PU	163	SND_SOC_DAIFMT_IB_NF,
bedad0ca CPE	164	};
	165
	166	static struct snd_soc_dai_link dm355_evm_dai = {
	167	.name = "TLV320AIC3X",
	168	.stream_name = "AIC3X",
	169	.cpu_dai_name = "davinci-mcbsp.1",
	170	.codec_dai_name = "tlv320aic3x-hifi",
	171	.codec_name = "tlv320aic3x-codec.1-001b",
f08095a4	172	.platform_name = "davinci-mcbsp.1",
310355c1 VB	173	.init = evm_aic3x_init,
310355c1 VB	174	.ops = &evm_ops,
d38970e1 PU	175	.dai_fmt = SND_SOC_DAIFMT_DSP_B \| SND_SOC_DAIFMT_CBM_CFM \|
d38970e1 PU	176	SND_SOC_DAIFMT_IB_NF,
310355c1 VB	177	};
310355c1 VB	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",
bedad0ca	185	.codec_name = "tlv320aic3x-codec.1-0018",
f08095a4	186	.platform_name = "davinci-mcbsp",
d38970e1 PU	187	.init = evm_aic3x_init,
	188	.ops = &evm_ops,
	189	.dai_fmt = SND_SOC_DAIFMT_DSP_B \| SND_SOC_DAIFMT_CBM_CFM \|
	190	SND_SOC_DAIFMT_IB_NF,
aa9b88ee MA	191	#elif defined(CONFIG_SND_DM365_VOICE_CODEC)
	192	.name = "Voice Codec - CQ93VC",
	193	.stream_name = "CQ93",
f0fba2ad LG	194	.cpu_dai_name = "davinci-vcif",
	195	.codec_dai_name = "cq93vc-hifi",
	196	.codec_name = "cq93vc-codec",
ffb690d5	197	.platform_name = "davinci-vcif",
aa9b88ee MA	198	#endif
	199	};
	200
04f80f5c C	201	static struct snd_soc_dai_link dm6467_evm_dai[] = {
	202	{
	203	.name = "TLV320AIC3X",
	204	.stream_name = "AIC3X",
f0fba2ad LG	205	.cpu_dai_name= "davinci-mcasp.0",
f0fba2ad LG	206	.codec_dai_name = "tlv320aic3x-hifi",
f08095a4	207	.platform_name = "davinci-mcasp.0",
f0fba2ad	208	.codec_name = "tlv320aic3x-codec.0-001a",
04f80f5c C	209	.init = evm_aic3x_init,
04f80f5c C	210	.ops = &evm_ops,
d38970e1 PU	211	.dai_fmt = SND_SOC_DAIFMT_DSP_B \| SND_SOC_DAIFMT_CBM_CFM \|
d38970e1 PU	212	SND_SOC_DAIFMT_IB_NF,
04f80f5c C	213	},
	214	{
	215	.name = "McASP",
	216	.stream_name = "spdif",
f0fba2ad LG	217	.cpu_dai_name= "davinci-mcasp.1",
	218	.codec_dai_name = "dit-hifi",
	219	.codec_name = "spdif_dit",
f08095a4	220	.platform_name = "davinci-mcasp.1",
d38970e1 PU	221	.dai_fmt = SND_SOC_DAIFMT_DSP_B \| SND_SOC_DAIFMT_CBM_CFM \|
d38970e1 PU	222	SND_SOC_DAIFMT_IB_NF,
04f80f5c C	223	},
04f80f5c C	224	};
f9eb9dd1 VB	225
	226	static struct snd_soc_dai_link da830_evm_dai = {
	227	.name = "TLV320AIC3X",
	228	.stream_name = "AIC3X",
	229	.cpu_dai_name = "davinci-mcasp.1",
	230	.codec_dai_name = "tlv320aic3x-hifi",
	231	.codec_name = "tlv320aic3x-codec.1-0018",
f08095a4	232	.platform_name = "davinci-mcasp.1",
f9eb9dd1 VB	233	.init = evm_aic3x_init,
f9eb9dd1 VB	234	.ops = &evm_ops,
d38970e1 PU	235	.dai_fmt = SND_SOC_DAIFMT_DSP_B \| SND_SOC_DAIFMT_CBM_CFM \|
d38970e1 PU	236	SND_SOC_DAIFMT_IB_NF,
f9eb9dd1 VB	237	};
	238
	239	static struct snd_soc_dai_link da850_evm_dai = {
7ae5945f C	240	.name = "TLV320AIC3X",
7ae5945f C	241	.stream_name = "AIC3X",
f0fba2ad LG	242	.cpu_dai_name= "davinci-mcasp.0",
f0fba2ad LG	243	.codec_dai_name = "tlv320aic3x-hifi",
dc5a460a	244	.codec_name = "tlv320aic3x-codec.1-0018",
f08095a4	245	.platform_name = "davinci-mcasp.0",
7ae5945f C	246	.init = evm_aic3x_init,
7ae5945f C	247	.ops = &evm_ops,
d38970e1 PU	248	.dai_fmt = SND_SOC_DAIFMT_DSP_B \| SND_SOC_DAIFMT_CBM_CFM \|
d38970e1 PU	249	SND_SOC_DAIFMT_IB_NF,
7ae5945f	250	};
04f80f5c	251
bedad0ca	252	/* davinci dm6446 evm audio machine driver */
bcf25567 JS	253	/*
	254	* ASP0 in DM6446 EVM is clocked by U55, as configured by
	255	* board-dm644x-evm.c using GPIOs from U18. There are six
	256	* options; here we "know" we use a 48 KHz sample rate.
	257	*/
	258	static struct snd_soc_card_drvdata_davinci dm6446_snd_soc_card_drvdata = {
	259	.sysclk = 12288000,
	260	};
	261
bedad0ca CPE	262	static struct snd_soc_card dm6446_snd_soc_card_evm = {
bedad0ca CPE	263	.name = "DaVinci DM6446 EVM",
36a16d1a	264	.owner = THIS_MODULE,
bedad0ca CPE	265	.dai_link = &dm6446_evm_dai,
bedad0ca CPE	266	.num_links = 1,
bcf25567	267	.drvdata = &dm6446_snd_soc_card_drvdata,
bedad0ca CPE	268	};
	269
	270	/* davinci dm355 evm audio machine driver */
bcf25567 JS	271	/* ASP1 on DM355 EVM is clocked by an external oscillator */
	272	static struct snd_soc_card_drvdata_davinci dm355_snd_soc_card_drvdata = {
	273	.sysclk = 27000000,
	274	};
	275
bedad0ca CPE	276	static struct snd_soc_card dm355_snd_soc_card_evm = {
bedad0ca CPE	277	.name = "DaVinci DM355 EVM",
36a16d1a	278	.owner = THIS_MODULE,
bedad0ca	279	.dai_link = &dm355_evm_dai,
310355c1	280	.num_links = 1,
bcf25567	281	.drvdata = &dm355_snd_soc_card_drvdata,
310355c1 VB	282	};
310355c1 VB	283
aa9b88ee	284	/* davinci dm365 evm audio machine driver */
bcf25567 JS	285	static struct snd_soc_card_drvdata_davinci dm365_snd_soc_card_drvdata = {
	286	.sysclk = 27000000,
	287	};
	288
aa9b88ee MA	289	static struct snd_soc_card dm365_snd_soc_card_evm = {
aa9b88ee MA	290	.name = "DaVinci DM365 EVM",
36a16d1a	291	.owner = THIS_MODULE,
aa9b88ee MA	292	.dai_link = &dm365_evm_dai,
aa9b88ee MA	293	.num_links = 1,
bcf25567	294	.drvdata = &dm365_snd_soc_card_drvdata,
aa9b88ee MA	295	};
aa9b88ee MA	296
04f80f5c	297	/* davinci dm6467 evm audio machine driver */
bcf25567 JS	298	static struct snd_soc_card_drvdata_davinci dm6467_snd_soc_card_drvdata = {
	299	.sysclk = 27000000,
	300	};
	301
04f80f5c C	302	static struct snd_soc_card dm6467_snd_soc_card_evm = {
04f80f5c C	303	.name = "DaVinci DM6467 EVM",
36a16d1a	304	.owner = THIS_MODULE,
04f80f5c C	305	.dai_link = dm6467_evm_dai,
04f80f5c C	306	.num_links = ARRAY_SIZE(dm6467_evm_dai),
bcf25567 JS	307	.drvdata = &dm6467_snd_soc_card_drvdata,
	308	};
	309
	310	static struct snd_soc_card_drvdata_davinci da830_snd_soc_card_drvdata = {
	311	.sysclk = 24576000,
04f80f5c C	312	};
04f80f5c C	313
7ae5945f	314	static struct snd_soc_card da830_snd_soc_card = {
30230f4c	315	.name = "DA830/OMAP-L137 EVM",
36a16d1a	316	.owner = THIS_MODULE,
f9eb9dd1	317	.dai_link = &da830_evm_dai,
30230f4c	318	.num_links = 1,
bcf25567 JS	319	.drvdata = &da830_snd_soc_card_drvdata,
	320	};
	321
	322	static struct snd_soc_card_drvdata_davinci da850_snd_soc_card_drvdata = {
	323	.sysclk = 24576000,
30230f4c C	324	};
	325
	326	static struct snd_soc_card da850_snd_soc_card = {
	327	.name = "DA850/OMAP-L138 EVM",
36a16d1a	328	.owner = THIS_MODULE,
f9eb9dd1	329	.dai_link = &da850_evm_dai,
7ae5945f	330	.num_links = 1,
bcf25567	331	.drvdata = &da850_snd_soc_card_drvdata,
7ae5945f C	332	};
7ae5945f C	333
ee2f615d HG	334	#if defined(CONFIG_OF)
	335
	336	/*
	337	* The struct is used as place holder. It will be completely
	338	* filled with data from dt node.
	339	*/
	340	static struct snd_soc_dai_link evm_dai_tlv320aic3x = {
	341	.name = "TLV320AIC3X",
	342	.stream_name = "AIC3X",
	343	.codec_dai_name = "tlv320aic3x-hifi",
	344	.ops = &evm_ops,
	345	.init = evm_aic3x_init,
d38970e1 PU	346	.dai_fmt = SND_SOC_DAIFMT_DSP_B \| SND_SOC_DAIFMT_CBM_CFM \|
d38970e1 PU	347	SND_SOC_DAIFMT_IB_NF,
ee2f615d HG	348	};
	349
	350	static const struct of_device_id davinci_evm_dt_ids[] = {
	351	{
	352	.compatible = "ti,da830-evm-audio",
	353	.data = (void *) &evm_dai_tlv320aic3x,
	354	},
	355	{ /* sentinel */ }
	356	};
	357	MODULE_DEVICE_TABLE(of, davinci_evm_dt_ids);
	358
	359	/* davinci evm audio machine driver */
	360	static struct snd_soc_card evm_soc_card = {
	361	.owner = THIS_MODULE,
	362	.num_links = 1,
	363	};
	364
	365	static int davinci_evm_probe(struct platform_device *pdev)
	366	{
	367	struct device_node *np = pdev->dev.of_node;
	368	const struct of_device_id *match =
	369	of_match_device(of_match_ptr(davinci_evm_dt_ids), &pdev->dev);
	370	struct snd_soc_dai_link dai = (struct snd_soc_dai_link ) match->data;
	371	struct snd_soc_card_drvdata_davinci *drvdata = NULL;
5ad8865b	372	struct clk *mclk;
ee2f615d HG	373	int ret = 0;
	374
	375	evm_soc_card.dai_link = dai;
	376
	377	dai->codec_of_node = of_parse_phandle(np, "ti,audio-codec", 0);
	378	if (!dai->codec_of_node)
	379	return -EINVAL;
	380
	381	dai->cpu_of_node = of_parse_phandle(np, "ti,mcasp-controller", 0);
	382	if (!dai->cpu_of_node)
	383	return -EINVAL;
	384
	385	dai->platform_of_node = dai->cpu_of_node;
	386
	387	evm_soc_card.dev = &pdev->dev;
	388	ret = snd_soc_of_parse_card_name(&evm_soc_card, "ti,model");
	389	if (ret)
	390	return ret;
	391
5ad8865b JS	392	mclk = devm_clk_get(&pdev->dev, "mclk");
	393	if (PTR_ERR(mclk) == -EPROBE_DEFER) {
	394	return -EPROBE_DEFER;
	395	} else if (IS_ERR(mclk)) {
	396	dev_dbg(&pdev->dev, "mclk not found.\n");
	397	mclk = NULL;
	398	}
	399
ee2f615d HG	400	drvdata = devm_kzalloc(&pdev->dev, sizeof(*drvdata), GFP_KERNEL);
	401	if (!drvdata)
	402	return -ENOMEM;
	403
5ad8865b JS	404	drvdata->mclk = mclk;
5ad8865b JS	405
ee2f615d	406	ret = of_property_read_u32(np, "ti,codec-clock-rate", &drvdata->sysclk);
5ad8865b JS	407
	408	if (ret < 0) {
	409	if (!drvdata->mclk) {
	410	dev_err(&pdev->dev,
	411	"No clock or clock rate defined.\n");
	412	return -EINVAL;
	413	}
	414	drvdata->sysclk = clk_get_rate(drvdata->mclk);
	415	} else if (drvdata->mclk) {
	416	unsigned int requestd_rate = drvdata->sysclk;
	417	clk_set_rate(drvdata->mclk, drvdata->sysclk);
	418	drvdata->sysclk = clk_get_rate(drvdata->mclk);
	419	if (drvdata->sysclk != requestd_rate)
	420	dev_warn(&pdev->dev,
	421	"Could not get requested rate %u using %u.\n",
	422	requestd_rate, drvdata->sysclk);
	423	}
ee2f615d HG	424
	425	snd_soc_card_set_drvdata(&evm_soc_card, drvdata);
	426	ret = devm_snd_soc_register_card(&pdev->dev, &evm_soc_card);
	427
	428	if (ret)
	429	dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret);
	430
	431	return ret;
	432	}
	433
	434	static int davinci_evm_remove(struct platform_device *pdev)
	435	{
	436	struct snd_soc_card *card = platform_get_drvdata(pdev);
	437
	438	snd_soc_unregister_card(card);
	439
	440	return 0;
	441	}
	442
	443	static struct platform_driver davinci_evm_driver = {
	444	.probe = davinci_evm_probe,
	445	.remove = davinci_evm_remove,
	446	.driver = {
	447	.name = "davinci_evm",
	448	.owner = THIS_MODULE,
fb6d208d	449	.pm = &snd_soc_pm_ops,
ee2f615d HG	450	.of_match_table = of_match_ptr(davinci_evm_dt_ids),
	451	},
	452	};
	453	#endif
	454
310355c1 VB	455	static struct platform_device *evm_snd_device;
	456
	457	static int __init evm_init(void)
	458	{
f0fba2ad	459	struct snd_soc_card *evm_snd_dev_data;
f492ec9f	460	int index;
310355c1 VB	461	int ret;
310355c1 VB	462
ee2f615d HG	463	/*
	464	* If dtb is there, the devices will be created dynamically.
	465	* Only register platfrom driver structure.
	466	*/
	467	#if defined(CONFIG_OF)
	468	if (of_have_populated_dt())
	469	return platform_driver_register(&davinci_evm_driver);
	470	#endif
	471
aa9b88ee	472	if (machine_is_davinci_evm()) {
bedad0ca	473	evm_snd_dev_data = &dm6446_snd_soc_card_evm;
f492ec9f DB	474	index = 0;
f492ec9f DB	475	} else if (machine_is_davinci_dm355_evm()) {
bedad0ca	476	evm_snd_dev_data = &dm355_snd_soc_card_evm;
f492ec9f	477	index = 1;
aa9b88ee	478	} else if (machine_is_davinci_dm365_evm()) {
f0fba2ad	479	evm_snd_dev_data = &dm365_snd_soc_card_evm;
aa9b88ee	480	index = 0;
04f80f5c	481	} else if (machine_is_davinci_dm6467_evm()) {
f0fba2ad	482	evm_snd_dev_data = &dm6467_snd_soc_card_evm;
04f80f5c	483	index = 0;
7ae5945f	484	} else if (machine_is_davinci_da830_evm()) {
f0fba2ad	485	evm_snd_dev_data = &da830_snd_soc_card;
7ae5945f	486	index = 1;
30230f4c	487	} else if (machine_is_davinci_da850_evm()) {
f0fba2ad	488	evm_snd_dev_data = &da850_snd_soc_card;
30230f4c	489	index = 0;
f492ec9f DB	490	} else
	491	return -EINVAL;
	492
	493	evm_snd_device = platform_device_alloc("soc-audio", index);
310355c1 VB	494	if (!evm_snd_device)
	495	return -ENOMEM;
	496
04f80f5c	497	platform_set_drvdata(evm_snd_device, evm_snd_dev_data);
310355c1 VB	498	ret = platform_device_add(evm_snd_device);
	499	if (ret)
	500	platform_device_put(evm_snd_device);
	501
	502	return ret;
	503	}
	504
	505	static void __exit evm_exit(void)
	506	{
ee2f615d HG	507	#if defined(CONFIG_OF)
	508	if (of_have_populated_dt()) {
	509	platform_driver_unregister(&davinci_evm_driver);
	510	return;
	511	}
	512	#endif
	513
310355c1 VB	514	platform_device_unregister(evm_snd_device);
	515	}
	516
	517	module_init(evm_init);
	518	module_exit(evm_exit);
	519
	520	MODULE_AUTHOR("Vladimir Barinov");
	521	MODULE_DESCRIPTION("TI DAVINCI EVM ASoC driver");
	522	MODULE_LICENSE("GPL");