[ALSA] Add ALSA support for the SEGA Dreamcast PCM device

ALSA support for the SEGA Dreamcast Yamaha AICA sound device (pcm)
This patch adds ALSA sound support for pcm playback on two channels on
the SEGA Dreamcast built-in sound device (the Yamaha AICA)
Add driver for the AICA sound device built into the SEGA Dreamcast
Hook it all up with the build system.

Signed-off-by: Adrian McMenamin <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
Signed-off-by: Jaroslav Kysela <[email protected]>

sound/Kconfig

@@ -65,6 +65,8 @@ source "sound/arm/Kconfig"
 
 source "sound/mips/Kconfig"
 
+source "sound/sh/Kconfig"
+
 # the following will depend on the order of config.
 # here assuming USB is defined before ALSA
 source "sound/usb/Kconfig"

sound/Makefile

@@ -5,7 +5,7 @@ obj-$(CONFIG_SOUND) += soundcore.o
 obj-$(CONFIG_SOUND_PRIME) += sound_firmware.o
 obj-$(CONFIG_SOUND_PRIME) += oss/
 obj-$(CONFIG_DMASOUND) += oss/
-obj-$(CONFIG_SND) += core/ i2c/ drivers/ isa/ pci/ ppc/ arm/ synth/ usb/ sparc/ parisc/ pcmcia/ mips/ soc/
+obj-$(CONFIG_SND) += core/ i2c/ drivers/ isa/ pci/ ppc/ arm/ sh/ synth/ usb/ sparc/ parisc/ pcmcia/ mips/ soc/
 obj-$(CONFIG_SND_AOA) += aoa/
 
 # This one must be compilable even if sound is configured out

sound/sh/Kconfig

@@ -0,0 +1,14 @@
+# ALSA SH drivers
+
+menu "SUPERH devices"
+	depends on SND!=n && SUPERH
+
+config SND_AICA
+	tristate "Dreamcast Yamaha AICA sound"
+	depends on SH_DREAMCAST && SND
+	select SND_PCM
+	help
+	  ALSA Sound driver for the SEGA Dreamcast console.
+
+endmenu
+

sound/sh/Makefile

@@ -0,0 +1,8 @@
+#
+# Makefile for ALSA
+#
+
+snd-aica-objs := aica.o
+
+# Toplevel Module Dependency
+obj-$(CONFIG_SND_AICA) += snd-aica.o