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authorIan Molton <spyro@f2s.com>2008-01-10 14:50:34 +0100
committerJaroslav Kysela <perex@perex.cz>2008-01-31 17:29:54 +0100
commitab40d4f12cda366ed1f308d2a041480769f9a77e (patch)
treef25c6696125c4655376ea8d6ee70e6ba17c6ac8d /sound/soc/pxa/e800_wm9712.c
parent6cab2d3ddd54f2ef4872a4fca3d44655377737dd (diff)
[ALSA] soc - Preliminary ac97 drivers for Toshiba e800 PDAs
Currently only the AUX channel is used (touchscreen) Signed-off-by: Ian Molton <spyro@f2s.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Diffstat (limited to 'sound/soc/pxa/e800_wm9712.c')
-rw-r--r--sound/soc/pxa/e800_wm9712.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/sound/soc/pxa/e800_wm9712.c b/sound/soc/pxa/e800_wm9712.c
new file mode 100644
index 000000000000..06e8afb25277
--- /dev/null
+++ b/sound/soc/pxa/e800_wm9712.c
@@ -0,0 +1,89 @@
+/*
+ * e800-wm9712.c -- SoC audio for e800
+ *
+ * Based on tosa.c
+ *
+ * Copyright 2007 (c) Ian Molton <spyro@f2s.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 ONLY.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/device.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <asm/mach-types.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/audio.h>
+
+#include "../codecs/wm9712.h"
+#include "pxa2xx-pcm.h"
+#include "pxa2xx-ac97.h"
+
+static struct snd_soc_machine e800;
+
+static struct snd_soc_dai_link e800_dai[] = {
+{
+ .name = "AC97 Aux",
+ .stream_name = "AC97 Aux",
+ .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],
+ .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],
+},
+};
+
+static struct snd_soc_machine e800 = {
+ .name = "Toshiba e800",
+ .dai_link = e800_dai,
+ .num_links = ARRAY_SIZE(e800_dai),
+};
+
+static struct snd_soc_device e800_snd_devdata = {
+ .machine = &e800,
+ .platform = &pxa2xx_soc_platform,
+ .codec_dev = &soc_codec_dev_wm9712,
+};
+
+static struct platform_device *e800_snd_device;
+
+static int __init e800_init(void)
+{
+ int ret;
+
+ if (!machine_is_e800())
+ return -ENODEV;
+
+ e800_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!e800_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(e800_snd_device, &e800_snd_devdata);
+ e800_snd_devdata.dev = &e800_snd_device->dev;
+ ret = platform_device_add(e800_snd_device);
+
+ if (ret)
+ platform_device_put(e800_snd_device);
+
+ return ret;
+}
+
+static void __exit e800_exit(void)
+{
+ platform_device_unregister(e800_snd_device);
+}
+
+module_init(e800_init);
+module_exit(e800_exit);
+
+/* Module information */
+MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
+MODULE_DESCRIPTION("ALSA SoC driver for e800");
+MODULE_LICENSE("GPL");