lkml.org 
[lkml]   [2011]   [Jun]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 2/3] ASoC: Blackfin: Add bf5xx-adau1701 machine driver
    Date
    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>
    Cc: Mike Frysinger <vapier@gentoo.org>
    ---
    sound/soc/blackfin/Kconfig | 10 +++
    sound/soc/blackfin/Makefile | 2 +
    sound/soc/blackfin/bf5xx-adau1701.c | 118 +++++++++++++++++++++++++++++++++++
    3 files changed, 130 insertions(+), 0 deletions(-)
    create mode 100644 sound/soc/blackfin/bf5xx-adau1701.c

    diff --git a/sound/soc/blackfin/Kconfig b/sound/soc/blackfin/Kconfig
    index ae40359..0777210 100644
    --- a/sound/soc/blackfin/Kconfig
    +++ b/sound/soc/blackfin/Kconfig
    @@ -17,6 +17,16 @@ config SND_BF5XX_SOC_SSM2602
    help
    Say Y if you want to add support for SoC audio on BF527-EZKIT.

    +config SND_BF5XX_SOC_ADAU1701
    + tristate "SoC ADAU1701 Audio support for BF5xx 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 ADAU1701 SigmaDSP processor on
    + Analog Devices BF5xx evaluation boards.
    +
    config SND_BF5XX_SOC_AD73311
    tristate "SoC AD73311 Audio support for Blackfin"
    depends on SND_BF5XX_I2S
    diff --git a/sound/soc/blackfin/Makefile b/sound/soc/blackfin/Makefile
    index 49af3f3..1d75173 100644
    --- a/sound/soc/blackfin/Makefile
    +++ b/sound/soc/blackfin/Makefile
    @@ -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-adau1701-objs := bf5xx-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_BF5XX_SOC_ADAU1701) += snd-adau1701.o
    diff --git a/sound/soc/blackfin/bf5xx-adau1701.c b/sound/soc/blackfin/bf5xx-adau1701.c
    new file mode 100644
    index 0000000..dcdd6cd
    --- /dev/null
    +++ b/sound/soc/blackfin/bf5xx-adau1701.c
    @@ -0,0 +1,118 @@
    +/*
    + * Machine driver for ADAU1701 SigmaDSP processor on Analog Devices BF5XX
    + * 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 int bf5xx_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 bf5xx_adau1701_ops = {
    + .hw_params = bf5xx_adau1701_hw_params,
    +};
    +
    +static struct snd_soc_dai_link bf5xx_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 = &bf5xx_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 = &bf5xx_adau1701_ops,
    + },
    +};
    +
    +static struct snd_soc_card bf5xx_adau1701 = {
    + .name = "bfin-adau1701",
    + .dai_link = &bf5xx_adau1701_dai[CONFIG_SND_BF5XX_SPORT_NUM],
    + .num_links = 1,
    +};
    +
    +static int bf5xx_adau1701_probe(struct platform_device *pdev)
    +{
    + struct snd_soc_card *card = &bf5xx_adau1701;
    +
    + card->dev = &pdev->dev;
    +
    + return snd_soc_register_card(&bf5xx_adau1701);
    +}
    +
    +static int __devexit bf5xx_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 bf5xx_adau1701_driver = {
    + .driver = {
    + .name = "bf5xx-adau1701",
    + .owner = THIS_MODULE,
    + .pm = &snd_soc_pm_ops,
    + },
    + .probe = bf5xx_adau1701_probe,
    + .remove = __devexit_p(bf5xx_adau1701_remove),
    +};
    +
    +static int __init bf5xx_adau1701_init(void)
    +{
    + return platform_driver_register(&bf5xx_adau1701_driver);
    +}
    +module_init(bf5xx_adau1701_init);
    +
    +static void __exit bf5xx_adau1701_exit(void)
    +{
    + platform_driver_unregister(&bf5xx_adau1701_driver);
    +}
    +module_exit(bf5xx_adau1701_exit);
    +
    +MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
    +MODULE_DESCRIPTION("ALSA SoC BF5XX ADAU1701 driver");
    +MODULE_LICENSE("GPL");
    +MODULE_ALIAS("platform:bfin-adau1701");
    --
    1.7.2.5


    \
     
     \ /
      Last update: 2011-06-10 19:23    [W:0.029 / U:29.728 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site