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authorMika Westerberg <mika.westerberg@iki.fi>2010-10-14 17:49:08 +0300
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-10-15 11:54:54 +0100
commitd42a280dc76c04f39d1f9a374cf5c23318c49004 (patch)
tree92cc331f0419d1ac34baa1f42cd818172c1698d9 /sound/soc/ep93xx/simone.c
parent534bc7fa3c0a9084e7a2db33898d92577c64e4eb (diff)
ASoC: ep93xx: add Simplemachines Sim.One AC97 audio support
Add AC97 audio support for Simplemachines Sim.One board. Signed-off-by: Mika Westerberg <mika.westerberg@iki.fi> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/ep93xx/simone.c')
-rw-r--r--sound/soc/ep93xx/simone.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/sound/soc/ep93xx/simone.c b/sound/soc/ep93xx/simone.c
new file mode 100644
index 000000000000..4b0d19913728
--- /dev/null
+++ b/sound/soc/ep93xx/simone.c
@@ -0,0 +1,89 @@
+/*
+ * simone.c -- ASoC audio for Simplemachines Sim.One board
+ *
+ * Copyright (c) 2010 Mika Westerberg
+ *
+ * Based on snappercl15 machine driver by Ryan Mallon.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+
+#include "ep93xx-pcm.h"
+
+static struct snd_soc_dai_link simone_dai = {
+ .name = "AC97",
+ .stream_name = "AC97 HiFi",
+ .cpu_dai_name = "ep93xx-ac97",
+ .codec_dai_name = "ac97-hifi",
+ .codec_name = "ac97-codec",
+ .platform_name = "ep93xx-pcm-audio",
+};
+
+static struct snd_soc_card snd_soc_simone = {
+ .name = "Sim.One",
+ .dai_link = &simone_dai,
+ .num_links = 1,
+};
+
+static struct platform_device *simone_snd_ac97_device;
+static struct platform_device *simone_snd_device;
+
+static int __init simone_init(void)
+{
+ int ret;
+
+ if (!machine_is_sim_one())
+ return -ENODEV;
+
+ simone_snd_ac97_device = platform_device_alloc("ac97-codec", -1);
+ if (!simone_snd_ac97_device)
+ return -ENOMEM;
+
+ ret = platform_device_add(simone_snd_ac97_device);
+ if (ret)
+ goto fail;
+
+ simone_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!simone_snd_device) {
+ ret = -ENOMEM;
+ goto fail;
+ }
+
+ platform_set_drvdata(simone_snd_device, &snd_soc_simone);
+ ret = platform_device_add(simone_snd_device);
+ if (ret) {
+ platform_device_put(simone_snd_device);
+ goto fail;
+ }
+
+ return ret;
+
+fail:
+ platform_device_put(simone_snd_ac97_device);
+ return ret;
+}
+module_init(simone_init);
+
+static void __exit simone_exit(void)
+{
+ platform_device_unregister(simone_snd_device);
+ platform_device_unregister(simone_snd_ac97_device);
+}
+module_exit(simone_exit);
+
+MODULE_DESCRIPTION("ALSA SoC Simplemachines Sim.One");
+MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>");
+MODULE_LICENSE("GPL");