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Commit 53a93d58 authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Mark Brown
Browse files

ASoC: Blackfin: Add bf5xx-adau1701 machine driver



Add a machine driver to support the ADAU1701 SigmaDSP processors on
Analog Devices BF5XX evaluation boards.

Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Acked-by: default avatarLiam Girdwood <lrg@ti.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 631ed8a2
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+11 −0
Original line number Original line Diff line number Diff line
@@ -17,6 +17,17 @@ config SND_BF5XX_SOC_SSM2602
	help
	help
	  Say Y if you want to add support for SoC audio on BF527-EZKIT.
	  Say Y if you want to add support for SoC audio on BF527-EZKIT.


config SND_SOC_BFIN_EVAL_ADAU1701
	tristate "Support for the EVAL-ADAU1701MINIZ board on Blackfin eval boards"
	depends on SND_BF5XX_I2S
	select SND_BF5XX_SOC_I2S
	select SND_SOC_ADAU1701
	select I2C
	help
	  Say Y if you want to add support for the Analog Devices EVAL-ADAU1701MINIZ
	  board connected to one of the Blackfin evaluation boards like the
	  BF5XX-STAMP or BF5XX-EZKIT.

config SND_BF5XX_SOC_AD73311
config SND_BF5XX_SOC_AD73311
	tristate "SoC AD73311 Audio support for Blackfin"
	tristate "SoC AD73311 Audio support for Blackfin"
	depends on SND_BF5XX_I2S
	depends on SND_BF5XX_I2S
+2 −0
Original line number Original line Diff line number Diff line
@@ -21,9 +21,11 @@ snd-ad1980-objs := bf5xx-ad1980.o
snd-ssm2602-objs := bf5xx-ssm2602.o
snd-ssm2602-objs := bf5xx-ssm2602.o
snd-ad73311-objs := bf5xx-ad73311.o
snd-ad73311-objs := bf5xx-ad73311.o
snd-ad193x-objs := bf5xx-ad193x.o
snd-ad193x-objs := bf5xx-ad193x.o
snd-soc-bfin-eval-adau1701-objs := bfin-eval-adau1701.o


obj-$(CONFIG_SND_BF5XX_SOC_AD1836) += snd-ad1836.o
obj-$(CONFIG_SND_BF5XX_SOC_AD1836) += snd-ad1836.o
obj-$(CONFIG_SND_BF5XX_SOC_AD1980) += snd-ad1980.o
obj-$(CONFIG_SND_BF5XX_SOC_AD1980) += snd-ad1980.o
obj-$(CONFIG_SND_BF5XX_SOC_SSM2602) += snd-ssm2602.o
obj-$(CONFIG_SND_BF5XX_SOC_SSM2602) += snd-ssm2602.o
obj-$(CONFIG_SND_BF5XX_SOC_AD73311) += snd-ad73311.o
obj-$(CONFIG_SND_BF5XX_SOC_AD73311) += snd-ad73311.o
obj-$(CONFIG_SND_BF5XX_SOC_AD193X) += snd-ad193x.o
obj-$(CONFIG_SND_BF5XX_SOC_AD193X) += snd-ad193x.o
obj-$(CONFIG_SND_SOC_BFIN_EVAL_ADAU1701) += snd-soc-bfin-eval-adau1701.o
+139 −0
Original line number Original line Diff line number Diff line
/*
 * Machine driver for EVAL-ADAU1701MINIZ 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/adau1701.h"

static const struct snd_soc_dapm_widget bfin_eval_adau1701_dapm_widgets[] = {
	SND_SOC_DAPM_SPK("Speaker", NULL),
	SND_SOC_DAPM_LINE("Line Out", NULL),
	SND_SOC_DAPM_LINE("Line In", NULL),
};

static const struct snd_soc_dapm_route bfin_eval_adau1701_dapm_routes[] = {
	{ "Speaker", NULL, "OUT0" },
	{ "Speaker", NULL, "OUT1" },
	{ "Line Out", NULL, "OUT2" },
	{ "Line Out", NULL, "OUT3" },

	{ "IN0", NULL, "Line In" },
	{ "IN1", NULL, "Line In" },
};

static int bfin_eval_adau1701_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;

	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;

	ret = snd_soc_dai_set_sysclk(codec_dai, ADAU1701_CLK_SRC_OSC, 12288000,
			SND_SOC_CLOCK_IN);

	return ret;
}

static struct snd_soc_ops bfin_eval_adau1701_ops = {
	.hw_params = bfin_eval_adau1701_hw_params,
};

static struct snd_soc_dai_link bfin_eval_adau1701_dai[] = {
	{
		.name = "adau1701",
		.stream_name = "adau1701",
		.cpu_dai_name = "bfin-i2s.0",
		.codec_dai_name = "adau1701",
		.platform_name = "bfin-i2s-pcm-audio",
		.codec_name = "adau1701.0-0034",
		.ops = &bfin_eval_adau1701_ops,
	},
	{
		.name = "adau1701",
		.stream_name = "adau1701",
		.cpu_dai_name = "bfin-i2s.1",
		.codec_dai_name = "adau1701",
		.platform_name = "bfin-i2s-pcm-audio",
		.codec_name = "adau1701.0-0034",
		.ops = &bfin_eval_adau1701_ops,
	},
};

static struct snd_soc_card bfin_eval_adau1701 = {
	.name = "bfin-eval-adau1701",
	.dai_link = &bfin_eval_adau1701_dai[CONFIG_SND_BF5XX_SPORT_NUM],
	.num_links = 1,

	.dapm_widgets		= bfin_eval_adau1701_dapm_widgets,
	.num_dapm_widgets	= ARRAY_SIZE(bfin_eval_adau1701_dapm_widgets),
	.dapm_routes		= bfin_eval_adau1701_dapm_routes,
	.num_dapm_routes	= ARRAY_SIZE(bfin_eval_adau1701_dapm_routes),
};

static int bfin_eval_adau1701_probe(struct platform_device *pdev)
{
	struct snd_soc_card *card = &bfin_eval_adau1701;

	card->dev = &pdev->dev;

	return snd_soc_register_card(&bfin_eval_adau1701);
}

static int __devexit bfin_eval_adau1701_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_adau1701_driver = {
	.driver = {
		.name = "bfin-eval-adau1701",
		.owner = THIS_MODULE,
		.pm = &snd_soc_pm_ops,
	},
	.probe = bfin_eval_adau1701_probe,
	.remove = __devexit_p(bfin_eval_adau1701_remove),
};

static int __init bfin_eval_adau1701_init(void)
{
	return platform_driver_register(&bfin_eval_adau1701_driver);
}
module_init(bfin_eval_adau1701_init);

static void __exit bfin_eval_adau1701_exit(void)
{
	platform_driver_unregister(&bfin_eval_adau1701_driver);
}
module_exit(bfin_eval_adau1701_exit);

MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
MODULE_DESCRIPTION("ALSA SoC bfin ADAU1701 driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:bfin-eval-adau1701");