Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / sound / soc / nuc900 / nuc900-audio.c

diff --git a/kernel/sound/soc/nuc900/nuc900-audio.c b/kernel/sound/soc/nuc900/nuc900-audio.c
new file mode 100644 (file)
index 0000000..2f6e6fd
--- /dev/null
+++ b/kernel/sound/soc/nuc900/nuc900-audio.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2010 Nuvoton technology corporation.
+ *
+ * Wan ZongShun <mcuos.com@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation;version 2 of the License.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+
+#include "nuc900-audio.h"
+
+static struct snd_soc_dai_link nuc900evb_ac97_dai = {
+       .name           = "AC97",
+       .stream_name    = "AC97 HiFi",
+       .cpu_dai_name   = "nuc900-ac97",
+       .codec_dai_name = "ac97-hifi",
+       .codec_name     = "ac97-codec",
+       .platform_name  = "nuc900-pcm-audio",
+};
+
+static struct snd_soc_card nuc900evb_audio_machine = {
+       .name           = "NUC900EVB_AC97",
+       .owner          = THIS_MODULE,
+       .dai_link       = &nuc900evb_ac97_dai,
+       .num_links      = 1,
+};
+
+static struct platform_device *nuc900evb_asoc_dev;
+
+static int __init nuc900evb_audio_init(void)
+{
+       int ret;
+
+       ret = -ENOMEM;
+       nuc900evb_asoc_dev = platform_device_alloc("soc-audio", -1);
+       if (!nuc900evb_asoc_dev)
+               goto out;
+
+       /* nuc900 board audio device */
+       platform_set_drvdata(nuc900evb_asoc_dev, &nuc900evb_audio_machine);
+
+       ret = platform_device_add(nuc900evb_asoc_dev);
+
+       if (ret) {
+               platform_device_put(nuc900evb_asoc_dev);
+               nuc900evb_asoc_dev = NULL;
+       }
+
+out:
+       return ret;
+}
+
+static void __exit nuc900evb_audio_exit(void)
+{
+       platform_device_unregister(nuc900evb_asoc_dev);
+}
+
+module_init(nuc900evb_audio_init);
+module_exit(nuc900evb_audio_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("NUC900 Series ASoC audio support");
+MODULE_AUTHOR("Wan ZongShun");