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ASoC: Blackfin: ADAU1X81 eval board support

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This patch adds a ASoC machine driver to support the EVAL-ADAU1X81 board
connected to a Analog Devices BF5XX evaluation board.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Lars-Peter Clausen 2014-05-27 10:53:21 +02:00 committed by Mark Brown
parent 5dcdbee9cf
commit cb07ef36fe
3 changed files with 145 additions and 0 deletions
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13
sound/soc/blackfin/Kconfig
View file

@ -56,6 +56,19 @@ config SND_SOC_BFIN_EVAL_ADAU1X61
Note: This driver assumes that the ADAU1X61 is connected to the
first SPORT port on the BF5XX board.
config SND_SOC_BFIN_EVAL_ADAU1X81
tristate "Support for the EVAL-ADAU1X81 boards on Blackfin eval boards"
depends on SND_BF5XX_I2S && I2C
select SND_BF5XX_SOC_I2S
select SND_SOC_ADAU1781_I2C
help
Say Y if you want to add support for the Analog Devices EVAL-ADAU1X81
board connected to one of the Blackfin evaluation boards like the
BF5XX-STAMP or BF5XX-EZKIT.
Note: This driver assumes that the ADAU1X81 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 && SND_SOC_I2C_AND_SPI

2
sound/soc/blackfin/Makefile
View file

@ -23,6 +23,7 @@ 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-adau1x61-objs := bfin-eval-adau1x61.o
snd-soc-bfin-eval-adau1x81-objs := bfin-eval-adau1x81.o
snd-soc-bfin-eval-adau1701-objs := bfin-eval-adau1701.o
snd-soc-bfin-eval-adav80x-objs := bfin-eval-adav80x.o
@ -33,5 +34,6 @@ 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_ADAU1X61) += snd-soc-bfin-eval-adau1x61.o
obj-$(CONFIG_SND_SOC_BFIN_EVAL_ADAU1X81) += snd-soc-bfin-eval-adau1x81.o
obj-$(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

130
sound/soc/blackfin/bfin-eval-adau1x81.c Normal file
View file

@ -0,0 +1,130 @@
/*
* Machine driver for EVAL-ADAU1x81 on Analog Devices bfin
* evaluation boards.
*
* Copyright 2011-2014 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 <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/pcm_params.h>
#include "../codecs/adau17x1.h"
static const struct snd_soc_dapm_widget bfin_eval_adau1x81_dapm_widgets[] = {
SND_SOC_DAPM_LINE("Stereo In", NULL),
SND_SOC_DAPM_LINE("Beep", NULL),
SND_SOC_DAPM_SPK("Speaker", NULL),
SND_SOC_DAPM_HP("Headphone", NULL),
};
static const struct snd_soc_dapm_route bfin_eval_adau1x81_dapm_routes[] = {
{ "BEEP", NULL, "Beep" },
{ "LMIC", NULL, "Stereo In" },
{ "LMIC", NULL, "Stereo In" },
{ "Headphone", NULL, "AOUTL" },
{ "Headphone", NULL, "AOUTR" },
{ "Speaker", NULL, "SP" },
};
static int bfin_eval_adau1x81_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;
int pll_rate;
int ret;
switch (params_rate(params)) {
case 48000:
case 8000:
case 12000:
case 16000:
case 24000:
case 32000:
case 96000:
pll_rate = 48000 * 1024;
break;
case 44100:
case 7350:
case 11025:
case 14700:
case 22050:
case 29400:
case 88200:
pll_rate = 44100 * 1024;
break;
default:
return -EINVAL;
}
ret = snd_soc_dai_set_pll(codec_dai, ADAU17X1_PLL,
ADAU17X1_PLL_SRC_MCLK, 12288000, pll_rate);
if (ret)
return ret;
ret = snd_soc_dai_set_sysclk(codec_dai, ADAU17X1_CLK_SRC_PLL, pll_rate,
SND_SOC_CLOCK_IN);
return ret;
}
static const struct snd_soc_ops bfin_eval_adau1x81_ops = {
.hw_params = bfin_eval_adau1x81_hw_params,
};
static struct snd_soc_dai_link bfin_eval_adau1x81_dai = {
.name = "adau1x81",
.stream_name = "adau1x81",
.cpu_dai_name = "bfin-i2s.0",
.codec_dai_name = "adau-hifi",
.platform_name = "bfin-i2s-pcm-audio",
.codec_name = "adau1781.0-0038",
.ops = &bfin_eval_adau1x81_ops,
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBM_CFM,
};
static struct snd_soc_card bfin_eval_adau1x81 = {
.name = "bfin-eval-adau1x81",
.driver_name = "eval-adau1x81",
.dai_link = &bfin_eval_adau1x81_dai,
.num_links = 1,
.dapm_widgets = bfin_eval_adau1x81_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(bfin_eval_adau1x81_dapm_widgets),
.dapm_routes = bfin_eval_adau1x81_dapm_routes,
.num_dapm_routes = ARRAY_SIZE(bfin_eval_adau1x81_dapm_routes),
.fully_routed = true,
};
static int bfin_eval_adau1x81_probe(struct platform_device *pdev)
{
bfin_eval_adau1x81.dev = &pdev->dev;
return devm_snd_soc_register_card(&pdev->dev, &bfin_eval_adau1x81);
}
static struct platform_driver bfin_eval_adau1x81_driver = {
.driver = {
.name = "bfin-eval-adau1x81",
.owner = THIS_MODULE,
.pm = &snd_soc_pm_ops,
},
.probe = bfin_eval_adau1x81_probe,
};
module_platform_driver(bfin_eval_adau1x81_driver);
MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
MODULE_DESCRIPTION("ALSA SoC bfin adau1x81 driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:bfin-eval-adau1x81");