ASoC: NUC900/audio: add nuc900 audio driver support

Add support for NUC900 AC97

Signed-off-by: Wan ZongShun <mcuos.com@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 81 insertions, 0 deletions

diff --git a/sound/soc/nuc900/nuc900-audio.c b/sound/soc/nuc900/nuc900-audio.c
new file mode 100644
index 000000000000..b33d5b844d71
--- /dev/null
+++ b/sound/soc/nuc900/nuc900-audio.c
@@ -0,0 +1,81 @@
+/*
+ * 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 <sound/soc-dapm.h>
+
+#include "../codecs/ac97.h"
+#include "nuc900-auido.h"
+
+static struct snd_soc_dai_link nuc900evb_ac97_dai = {
+        .name           = "AC97",
+        .stream_name    = "AC97 HiFi",
+        .cpu_dai        = &nuc900_ac97_dai,
+        .codec_dai      = &ac97_dai,
+};
+
+static struct snd_soc_card nuc900evb_audio_machine = {
+        .name           = "NUC900EVB_AC97",
+        .dai_link       = &nuc900evb_ac97_dai,
+        .num_links      = 1,
+        .platform       = &nuc900_soc_platform,
+};
+
+static struct snd_soc_device nuc900evb_ac97_devdata = {
+        .card           = &nuc900evb_audio_machine,
+        .codec_dev      = &soc_codec_dev_ac97,
+};
+
+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_ac97_devdata);
+
+        nuc900evb_ac97_devdata.dev = &nuc900evb_asoc_dev->dev;
+        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");