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Date:      Wed, 03 Mar 1999 18:17:19 +0000
From:      Erik Umenofer <eriku@silcom.com>
To:        dmaddox@conterra.com
Cc:        multimedia@FreeBSD.ORG, questions@FreeBSD.ORG
Subject:   Re: DMA/IRC timeout on SB16
Message-ID:  <36DD7CAF.B3AB8CFA@silcom.com>
References:  <36DC8CE5.E75C9A81@silcom.com> <19990303182655.C1295@dmaddox.conterra.com> <36DD6820.FF7B4A9A@silcom.com> <19990303200944.A2133@dmaddox.conterra.com>

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> I think you saw that in /usr/src/sys/i386/isa/snd/ instead...  I can find no
> mention whatsoever of the Vibra16X in the sound/ subdir.  I don't know what
> would need to be hacked to add this support to VoxWare, but you might want
> to take a closer look at the pcm driver's support for this card, either to
> see how it's done and add it to the VoxWare driver, or to use it instead of
> VoxWare.

I've used the pcm drivers. And pcm runs on the idea of a single dma. So if you use the
PCM driver my card only half works. IE it only can play mp3's and certian sound apps work.
Quake and many other programs fail on sound with PCM.

I still think there is a way to hack at the sound code so that sb0 will allow lower DMA's

I am NOT a programmer so i don't know what's going on.

I think /snd is for PCM and /sound is for snd0

*Shrugs*

There is a way since sb0 finds my Card ok. So it's supported. But since it restricts my
second DMA to 5 and Up it errors because my second DMA is 3.

There has to be a .h or .c somewhere in there that says.. "Don't allow 16 BIT DMA's under
5"

I need to change that to "Don't allow 16 DMA's under 3"

It sounds easy but I don't know how to go about it.



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