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Commit f049ffb3 authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Mark Brown
Browse files

ASoC: Blackfin: ADAU1373 eval board support 



Add a machine driver to support the EVAL-ADAU1373 board connected to a
Analog Devices BF5XX evaluation board.

Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent ddd7a260

sound/soc/blackfin/Kconfig

+13 −0
Original line number Diff line number Diff line
@@ -27,6 +27,19 @@ config SND_SOC_BFIN_EVAL_ADAU1701 
	  board connected to one of the Blackfin evaluation boards like the

	  BF5XX-STAMP or BF5XX-EZKIT.



config SND_SOC_BFIN_EVAL_ADAU1373

	tristate "Support for the EVAL-ADAU1373 board on Blackfin eval boards"

	depends on SND_BF5XX_I2S && I2C

	select SND_BF5XX_SOC_I2S

	select SND_SOC_ADAU1373

	help

	  Say Y if you want to add support for the Analog Devices EVAL-ADAU1373

	  board connected to one of the Blackfin evaluation boards like the

	  BF5XX-STAMP or BF5XX-EZKIT.



	  Note: This driver assumes that first ADAU1373 DAI is connected to the

	  first SPORT port on the BF5XX board.



config SND_SOC_BFIN_EVAL_ADAV80X

	tristate "Support for the EVAL-ADAV80X boards on Blackfin eval boards"

	depends on SND_BF5XX_I2S && (SPI_MASTER || I2C)

sound/soc/blackfin/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ snd-ad1980-objs := bf5xx-ad1980.o 
snd-ssm2602-objs := bf5xx-ssm2602.o

snd-ad73311-objs := bf5xx-ad73311.o

snd-ad193x-objs := bf5xx-ad193x.o

snd-soc-bfin-eval-adau1373-objs := bfin-eval-adau1373.o

snd-soc-bfin-eval-adau1701-objs := bfin-eval-adau1701.o

snd-soc-bfin-eval-adav80x-objs := bfin-eval-adav80x.o
@@ -29,5 +30,6 @@ obj-$(CONFIG_SND_BF5XX_SOC_AD1980) += snd-ad1980.o 
obj-$(CONFIG_SND_BF5XX_SOC_SSM2602) += snd-ssm2602.o

obj-$(CONFIG_SND_BF5XX_SOC_AD73311) += snd-ad73311.o

obj-$(CONFIG_SND_BF5XX_SOC_AD193X) += snd-ad193x.o

obj-$(CONFIG_SND_SOC_BFIN_EVAL_ADAU1373) += snd-soc-bfin-eval-adau1373.o

obj-$(CONFIG_SND_SOC_BFIN_EVAL_ADAU1701) += snd-soc-bfin-eval-adau1701.o

obj-$(CONFIG_SND_SOC_BFIN_EVAL_ADAV80X) += snd-soc-bfin-eval-adav80x.o

sound/soc/blackfin/bfin-eval-adau1373.c

0 → 100644
+202 −0
Original line number Diff line number Diff line 
/*

 * Machine driver for EVAL-ADAU1373 on Analog Devices bfin

 * evaluation boards.

 *

 * Copyright 2011 Analog Devices Inc.

 * Author: Lars-Peter Clausen <lars@metafoo.de>

 *

 * Licensed under the GPL-2 or later.

 */



#include <linux/module.h>

#include <linux/device.h>

#include <sound/core.h>

#include <sound/pcm.h>

#include <sound/soc.h>

#include <sound/pcm_params.h>



#include "../codecs/adau1373.h"



static const struct snd_soc_dapm_widget bfin_eval_adau1373_dapm_widgets[] = {

	SND_SOC_DAPM_LINE("Line In1", NULL),

	SND_SOC_DAPM_LINE("Line In2", NULL),

	SND_SOC_DAPM_LINE("Line In3", NULL),

	SND_SOC_DAPM_LINE("Line In4", NULL),



	SND_SOC_DAPM_LINE("Line Out1", NULL),

	SND_SOC_DAPM_LINE("Line Out2", NULL),

	SND_SOC_DAPM_LINE("Stereo Out", NULL),

	SND_SOC_DAPM_HP("Headphone", NULL),

	SND_SOC_DAPM_HP("Earpiece", NULL),

	SND_SOC_DAPM_SPK("Speaker", NULL),

};



static const struct snd_soc_dapm_route bfin_eval_adau1373_dapm_routes[] = {

	{ "AIN1L", NULL, "Line In1" },

	{ "AIN1R", NULL, "Line In1" },

	{ "AIN2L", NULL, "Line In2" },

	{ "AIN2R", NULL, "Line In2" },

	{ "AIN3L", NULL, "Line In3" },

	{ "AIN3R", NULL, "Line In3" },

	{ "AIN4L", NULL, "Line In4" },

	{ "AIN4R", NULL, "Line In4" },



	/* MICBIAS can be connected via a jumper to the line-in jack, since w

	   don't know which one is going to be used, just power both. */

	{ "Line In1", NULL, "MICBIAS1" },

	{ "Line In2", NULL, "MICBIAS1" },

	{ "Line In3", NULL, "MICBIAS1" },

	{ "Line In4", NULL, "MICBIAS1" },

	{ "Line In1", NULL, "MICBIAS2" },

	{ "Line In2", NULL, "MICBIAS2" },

	{ "Line In3", NULL, "MICBIAS2" },

	{ "Line In4", NULL, "MICBIAS2" },



	{ "Line Out1", NULL, "LOUT1L" },

	{ "Line Out1", NULL, "LOUT1R" },

	{ "Line Out2", NULL, "LOUT2L" },

	{ "Line Out2", NULL, "LOUT2R" },

	{ "Headphone", NULL, "HPL" },

	{ "Headphone", NULL, "HPR" },

	{ "Earpiece", NULL, "EP" },

	{ "Speaker", NULL, "SPKL" },

	{ "Stereo Out", NULL, "SPKR" },

};



static int bfin_eval_adau1373_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;

	struct snd_soc_dai *codec_dai = rtd->codec_dai;

	int ret;

	int pll_rate;



	ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |

			SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);

	if (ret)

		return ret;



	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |

			SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);

	if (ret)

		return ret;



	switch (params_rate(params)) {

	case 48000:

	case 8000:

	case 12000:

	case 16000:

	case 24000:

	case 32000:

		pll_rate = 48000 * 1024;

		break;

	case 44100:

	case 7350:

	case 11025:

	case 14700:

	case 22050:

	case 29400:

		pll_rate = 44100 * 1024;

		break;

	default:

		return -EINVAL;

	}



	ret = snd_soc_dai_set_pll(codec_dai, ADAU1373_PLL1,

			ADAU1373_PLL_SRC_MCLK1, 12288000, pll_rate);

	if (ret)

		return ret;



	ret = snd_soc_dai_set_sysclk(codec_dai, ADAU1373_CLK_SRC_PLL1, pll_rate,

			SND_SOC_CLOCK_IN);



	return ret;

}



static int bfin_eval_adau1373_codec_init(struct snd_soc_pcm_runtime *rtd)

{

	struct snd_soc_dai *codec_dai = rtd->codec_dai;

	unsigned int pll_rate = 48000 * 1024;

	int ret;



	ret = snd_soc_dai_set_pll(codec_dai, ADAU1373_PLL1,

			ADAU1373_PLL_SRC_MCLK1, 12288000, pll_rate);

	if (ret)

		return ret;



	ret = snd_soc_dai_set_sysclk(codec_dai, ADAU1373_CLK_SRC_PLL1, pll_rate,

			SND_SOC_CLOCK_IN);



	return ret;

}

static struct snd_soc_ops bfin_eval_adau1373_ops = {

	.hw_params = bfin_eval_adau1373_hw_params,

};



static struct snd_soc_dai_link bfin_eval_adau1373_dai = {

	.name = "adau1373",

	.stream_name = "adau1373",

	.cpu_dai_name = "bfin-i2s.0",

	.codec_dai_name = "adau1373-aif1",

	.platform_name = "bfin-i2s-pcm-audio",

	.codec_name = "adau1373.0-001a",

	.ops = &bfin_eval_adau1373_ops,

	.init = bfin_eval_adau1373_codec_init,

};



static struct snd_soc_card bfin_eval_adau1373 = {

	.name = "bfin-eval-adau1373",

	.dai_link = &bfin_eval_adau1373_dai,

	.num_links = 1,



	.dapm_widgets		= bfin_eval_adau1373_dapm_widgets,

	.num_dapm_widgets	= ARRAY_SIZE(bfin_eval_adau1373_dapm_widgets),

	.dapm_routes		= bfin_eval_adau1373_dapm_routes,

	.num_dapm_routes	= ARRAY_SIZE(bfin_eval_adau1373_dapm_routes),

};



static int bfin_eval_adau1373_probe(struct platform_device *pdev)

{

	struct snd_soc_card *card = &bfin_eval_adau1373;



	card->dev = &pdev->dev;



	return snd_soc_register_card(&bfin_eval_adau1373);

}



static int __devexit bfin_eval_adau1373_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 bfin_eval_adau1373_driver = {

	.driver = {

		.name = "bfin-eval-adau1373",

		.owner = THIS_MODULE,

		.pm = &snd_soc_pm_ops,

	},

	.probe = bfin_eval_adau1373_probe,

	.remove = __devexit_p(bfin_eval_adau1373_remove),

};



static int __init bfin_eval_adau1373_init(void)

{

	return platform_driver_register(&bfin_eval_adau1373_driver);

}

module_init(bfin_eval_adau1373_init);



static void __exit bfin_eval_adau1373_exit(void)

{

	platform_driver_unregister(&bfin_eval_adau1373_driver);

}

module_exit(bfin_eval_adau1373_exit);



MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");

MODULE_DESCRIPTION("ALSA SoC bfin adau1373 driver");

MODULE_LICENSE("GPL");

MODULE_ALIAS("platform:bfin-eval-adau1373");