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authorManuel Lauss <manuel.lauss@googlemail.com>2011-07-25 13:44:46 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-07-27 19:10:48 +0100
commitb2ce305dda483e59a78d5aa6e4211034c0cea38d (patch)
tree995694664f2b2654a0ff121277ec59875da56d05 /sound
parentb3c70c9ea62a3ae6c63536e43fa28f965a56de91 (diff)
downloadlinux-b2ce305dda483e59a78d5aa6e4211034c0cea38d.tar.gz
ASoC: Add a DB1x00 AC97 machine driver
Add a machine driver suitable for the AC97 part on the DB1000/DB1500/DB1100 boards. Run-tested on DB1500. Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/au1x/Kconfig9
-rw-r--r--sound/soc/au1x/Makefile2
-rw-r--r--sound/soc/au1x/db1000.c75
3 files changed, 86 insertions, 0 deletions
diff --git a/sound/soc/au1x/Kconfig b/sound/soc/au1x/Kconfig
index 0460b428862..6d592546e8f 100644
--- a/sound/soc/au1x/Kconfig
+++ b/sound/soc/au1x/Kconfig
@@ -41,6 +41,15 @@ config SND_SOC_AU1XI2SC
##
## Boards
##
+config SND_SOC_DB1000
+ tristate "DB1000 Audio support"
+ depends on SND_SOC_AU1XAUDIO
+ select SND_SOC_AU1XAC97C
+ select SND_SOC_AC97_CODEC
+ help
+ Select this option to enable AC97 audio on the early DB1x00 series
+ of boards (DB1000/DB1500/DB1100).
+
config SND_SOC_DB1200
tristate "DB1200 AC97+I2S audio support"
depends on SND_SOC_AU1XPSC
diff --git a/sound/soc/au1x/Makefile b/sound/soc/au1x/Makefile
index ff5531eee61..920710514ea 100644
--- a/sound/soc/au1x/Makefile
+++ b/sound/soc/au1x/Makefile
@@ -16,6 +16,8 @@ obj-$(CONFIG_SND_SOC_AU1XAC97C) += snd-soc-au1x-ac97c.o
obj-$(CONFIG_SND_SOC_AU1XI2SC) += snd-soc-au1x-i2sc.o
# Boards
+snd-soc-db1000-objs := db1000.o
snd-soc-db1200-objs := db1200.o
+obj-$(CONFIG_SND_SOC_DB1000) += snd-soc-db1000.o
obj-$(CONFIG_SND_SOC_DB1200) += snd-soc-db1200.o
diff --git a/sound/soc/au1x/db1000.c b/sound/soc/au1x/db1000.c
new file mode 100644
index 00000000000..127477a5e0c
--- /dev/null
+++ b/sound/soc/au1x/db1000.c
@@ -0,0 +1,75 @@
+/*
+ * DB1000/DB1500/DB1100 ASoC audio fabric support code.
+ *
+ * (c) 2011 Manuel Lauss <manuel.lauss@googlemail.com>
+ *
+ */
+
+#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 <asm/mach-au1x00/au1000.h>
+#include <asm/mach-db1x00/bcsr.h>
+
+#include "psc.h"
+
+static struct snd_soc_dai_link db1000_ac97_dai = {
+ .name = "AC97",
+ .stream_name = "AC97 HiFi",
+ .codec_dai_name = "ac97-hifi",
+ .cpu_dai_name = "alchemy-ac97c",
+ .platform_name = "alchemy-pcm-dma.0",
+ .codec_name = "ac97-codec",
+};
+
+static struct snd_soc_card db1000_ac97 = {
+ .name = "DB1000_AC97",
+ .dai_link = &db1000_ac97_dai,
+ .num_links = 1,
+};
+
+static int __devinit db1000_audio_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = &db1000_ac97;
+ card->dev = &pdev->dev;
+ return snd_soc_register_card(card);
+}
+
+static int __devexit db1000_audio_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 db1000_audio_driver = {
+ .driver = {
+ .name = "db1000-audio",
+ .owner = THIS_MODULE,
+ .pm = &snd_soc_pm_ops,
+ },
+ .probe = db1000_audio_probe,
+ .remove = __devexit_p(db1000_audio_remove),
+};
+
+static int __init db1000_audio_load(void)
+{
+ return platform_driver_register(&db1000_audio_driver);
+}
+
+static void __exit db1000_audio_unload(void)
+{
+ platform_driver_unregister(&db1000_audio_driver);
+}
+
+module_init(db1000_audio_load);
+module_exit(db1000_audio_unload);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("DB1000/DB1500/DB1100 ASoC audio");
+MODULE_AUTHOR("Manuel Lauss");