ALSA: ASoC: Au12x0/Au1550 PSC Audio support

Audio for Au12x0/Au1550 PSCs in AC97 and I2S mode, for ASoC v1 framework.

- DBDMA, AC97 and I2S drivers
- sample AC97 machine code (Db1200)

Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net>
Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

1 files changed, 32 insertions, 0 deletions

diff --git a/sound/soc/au1x/Kconfig b/sound/soc/au1x/Kconfig
new file mode 100644
index 000000000000..410a893aa66b
--- /dev/null
+++ b/sound/soc/au1x/Kconfig
@@ -0,0 +1,32 @@
+##
+## Au1200/Au1550 PSC + DBDMA
+##
+config SND_SOC_AU1XPSC
+        tristate "SoC Audio for Au1200/Au1250/Au1550"
+        depends on SOC_AU1200 || SOC_AU1550
+        help
+          This option enables support for the Programmable Serial
+          Controllers in AC97 and I2S mode, and the Descriptor-Based DMA
+          Controller (DBDMA) as found on the Au1200/Au1250/Au1550 SoC.
+
+config SND_SOC_AU1XPSC_I2S
+        tristate
+
+config SND_SOC_AU1XPSC_AC97
+        tristate
+        select AC97_BUS
+        select SND_AC97_CODEC
+        select SND_SOC_AC97_BUS
+
+
+##
+## Boards
+##
+config SND_SOC_SAMPLE_PSC_AC97
+        tristate "Sample Au12x0/Au1550 PSC AC97 sound machine"
+        depends on SND_SOC_AU1XPSC
+        select SND_SOC_AU1XPSC_AC97
+        select SND_SOC_AC97_CODEC
+        help
+          This is a sample AC97 sound machine for use in Au12x0/Au1550
+          based systems which have audio on PSC1 (e.g. Db1200 demoboard).