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+
+ (the following is from the armlinux CVS)
+
+ WaveArtist mixer and volume levels can be accessed via these commands:
+
+ nn30 read registers nn, where nn = 00 - 09 for mixer settings
+ 0a - 13 for channel volumes
+ mm31 write the volume setting in pairs, where mm = (nn - 10) / 2
+ rr32 write the mixer settings in pairs, where rr = nn/2
+ xx33 reset all settings to default
+ 0y34 select mono source, y=0 = left, y=1 = right
+
+ bits
+ nn 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
+----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
+ 00 | 0 | 0 0 1 1 | left line mixer gain | left aux1 mixer gain |lmute|
+----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
+ 01 | 0 | 0 1 0 1 | left aux2 mixer gain | right 2 left mic gain |mmute|
+----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
+ 02 | 0 | 0 1 1 1 | left mic mixer gain | left mic | left mixer gain |dith |
+----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
+ 03 | 0 | 1 0 0 1 | left mixer input select |lrfg | left ADC gain |
+----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
+ 04 | 0 | 1 0 1 1 | right line mixer gain | right aux1 mixer gain |rmute|
+----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
+ 05 | 0 | 1 1 0 1 | right aux2 mixer gain | left 2 right mic gain |test |
+----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
+ 06 | 0 | 1 1 1 1 | right mic mixer gain | right mic |right mixer gain |rbyps|
+----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
+ 07 | 1 | 0 0 0 1 | right mixer select |rrfg | right ADC gain |
+----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
+ 08 | 1 | 0 0 1 1 | mono mixer gain |right ADC mux sel|left ADC mux sel |
+----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
+ 09 | 1 | 0 1 0 1 |loopb|left linout|loop|ADCch|TxFch|OffCD|test |loopb|loopb|osamp|
+----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
+ 0a | 0 | left PCM channel volume |
+----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
+ 0b | 0 | right PCM channel volume |
+----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
+ 0c | 0 | left FM channel volume |
+----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
+ 0d | 0 | right FM channel volume |
+----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
+ 0e | 0 | left wavetable channel volume |
+----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
+ 0f | 0 | right wavetable channel volume |
+----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
+ 10 | 0 | left PCM expansion channel volume |
+----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
+ 11 | 0 | right PCM expansion channel volume |
+----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
+ 12 | 0 | left FM expansion channel volume |
+----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
+ 13 | 0 | right FM expansion channel volume |
+----+---+------------+-----+-----+-----+----+-----+-----+-----+-----+-----+-----+-----+
+
+ lmute: left mute
+ mmute: mono mute
+ dith: dithds
+ lrfg:
+ rmute: right mute
+ rbyps: right bypass
+ rrfg:
+ ADCch:
+ TxFch:
+ OffCD:
+ osamp:
+
+ And the following diagram is derived from the description in the CVS archive:
+
+ MIC L (mouthpiece)
+ +------+
+ -->PreAmp>-\
+ +--^---+ |
+ | |
+ r2b4-5 | +--------+
+ /----*-------------------------------->5 |
+ | | |
+ | /----------------------------------->4 |
+ | | | |
+ | | /--------------------------------->3 1of5 | +---+
+ | | | | mux >-->AMP>--> ADC L
+ | | | /------------------------------->2 | +-^-+
+ | | | | | | |
+ Line | | | | +----+ +------+ +---+ /---->1 | r3b3-0
+ ------------*->mute>--> Gain >--> | | | |
+ L | | | +----+ +------+ | | | *->0 |
+ | | | | | | +---^----+
+ Aux2 | | | +----+ +------+ | | | |
+ ----------*--->mute>--> Gain >--> M | | r8b0-2
+ L | | +----+ +------+ | | |
+ | | | | \------\
+ Aux1 | | +----+ +------+ | | |
+ --------*----->mute>--> Gain >--> I | |
+ L | +----+ +------+ | | |
+ | | | |
+ | +----+ +------+ | | +---+ |
+ *------->mute>--> Gain >--> X >-->AMP>--*
+ | +----+ +------+ | | +-^-+ |
+ | | | | |
+ | +----+ +------+ | | r2b1-3 |
+ | /----->mute>--> Gain >--> E | |
+ | | +----+ +------+ | | |
+ | | | | |
+ | | +----+ +------+ | | |
+ | | /--->mute>--> Gain >--> R | |
+ | | | +----+ +------+ | | |
+ | | | | | | r9b8-9
+ | | | +----+ +------+ | | | |
+ | | | /->mute>--> Gain >--> | | +---v---+
+ | | | | +----+ +------+ +---+ /-*->0 |
+ DAC | | | | | | |
+ ------------*----------------------------------->? | +----+
+ L | | | | | Mux >-->mute>--> L output
+ | | | | /->? | +--^-+
+ | | | | | | | |
+ | | | /--------->? | r0b0
+ | | | | | | +-------+
+ | | | | | |
+ Mono | | | | | | +-------+
+ ----------* | \---> | +----+
+ | | | | | | Mix >-->mute>--> Mono output
+ | | | | *-> | +--^-+
+ | | | | | +-------+ |
+ | | | | | r1b0
+ DAC | | | | | +-------+
+ ------------*-------------------------*--------->1 | +----+
+ R | | | | | | Mux >-->mute>--> R output
+ | | | | +----+ +------+ +---+ *->0 | +--^-+
+ | | | \->mute>--> Gain >--> | | +---^---+ |
+ | | | +----+ +------+ | | | | r5b0
+ | | | | | | r6b0
+ | | | +----+ +------+ | | |
+ | | \--->mute>--> Gain >--> M | |
+ | | +----+ +------+ | | |
+ | | | | |
+ | | +----+ +------+ | | |
+ | *----->mute>--> Gain >--> I | |
+ | | +----+ +------+ | | |
+ | | | | |
+ | | +----+ +------+ | | +---+ |
+ \------->mute>--> Gain >--> X >-->AMP>--*
+ | +----+ +------+ | | +-^-+ |
+ /--/ | | | |
+ Aux1 | +----+ +------+ | | r6b1-3 |
+ -------*------>mute>--> Gain >--> E | |
+ R | | +----+ +------+ | | |
+ | | | | |
+ Aux2 | | +----+ +------+ | | /------/
+ ---------*---->mute>--> Gain >--> R | |
+ R | | | +----+ +------+ | | |
+ | | | | | | +--------+
+ Line | | | +----+ +------+ | | | *->0 |
+ -----------*-->mute>--> Gain >--> | | | |
+ R | | | | +----+ +------+ +---+ \---->1 |
+ | | | | | |
+ | | | \-------------------------------->2 | +---+
+ | | | | Mux >-->AMP>--> ADC R
+ | | \---------------------------------->3 | +-^-+
+ | | | | |
+ | \------------------------------------>4 | r7b3-0
+ | | |
+ \-----*-------------------------------->5 |
+ | +---^----+
+ r6b4-5 | |
+ | | r8b3-5
+ +--v---+ |
+ -->PreAmp>-/
+ +------+
+ MIC R (electret mic)