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author | Lars-Peter Clausen <lars@metafoo.de> | 2011-06-13 15:26:21 +0200 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-06-16 11:24:25 +0100 |
commit | 53a93d58fbcfca5c40ff58f8ced421293bfcbc2a (patch) | |
tree | 9abc189f389f1da15e2a2a8f6627e9acf83adb22 /sound/soc/blackfin/bfin-eval-adau1701.c | |
parent | 631ed8a2134dae17d9e17f3c35c7290720f85199 (diff) | |
download | linux-stable-53a93d58fbcfca5c40ff58f8ced421293bfcbc2a.tar.gz linux-stable-53a93d58fbcfca5c40ff58f8ced421293bfcbc2a.tar.bz2 linux-stable-53a93d58fbcfca5c40ff58f8ced421293bfcbc2a.zip |
ASoC: Blackfin: Add bf5xx-adau1701 machine driver
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>
Diffstat (limited to 'sound/soc/blackfin/bfin-eval-adau1701.c')
-rw-r--r-- | sound/soc/blackfin/bfin-eval-adau1701.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/sound/soc/blackfin/bfin-eval-adau1701.c b/sound/soc/blackfin/bfin-eval-adau1701.c new file mode 100644 index 000000000000..e5550acba2c2 --- /dev/null +++ b/sound/soc/blackfin/bfin-eval-adau1701.c @@ -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"); |