mirror of
https://github.com/team-infusion-developers/android_kernel_samsung_msm8976.git
synced 2024-11-01 02:21:16 +00:00
53a93d58fb
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>
139 lines
3.6 KiB
C
139 lines
3.6 KiB
C
/*
|
|
* 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");
|