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");