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ASoC: Blackfin: Add bf5xx-adau1701 machine driver

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

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Lars-Peter Clausen 2011-06-13 15:26:21 +02:00 committed by Mark Brown
parent 631ed8a213
commit 53a93d58fb
3 changed files with 152 additions and 0 deletions
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11
sound/soc/blackfin/Kconfig
View file

@ -17,6 +17,17 @@ config SND_BF5XX_SOC_SSM2602
help
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
tristate "SoC AD73311 Audio support for Blackfin"
depends on SND_BF5XX_I2S

2
sound/soc/blackfin/Makefile
View file

@ -21,9 +21,11 @@ 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-adau1701-objs := bfin-eval-adau1701.o
obj-$(CONFIG_SND_BF5XX_SOC_AD1836) += snd-ad1836.o
obj-$(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_ADAU1701) += snd-soc-bfin-eval-adau1701.o

139
sound/soc/blackfin/bfin-eval-adau1701.c Normal file
View file

@ -0,0 +1,139 @@
/*
* 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");