[linux-audio-dev] Echo Darla/Gina/Layla/... on Linux

David Olofson david at olofson.net
Thu Mar 20 16:02:01 UTC 2003


On Thursday 20 March 2003 16.57, Ranjit Singh wrote:
> >> We're effectively talking about a driver for the Motorola DSP
> >> onboard (I can't remember what the no is.)
> >
> >No, that stuff is "secret". The microcode is available only as raw
> >binaries, and the driver's job is to talk to the microcode; not
> > the hardware directly. So, we're talking about Linux kernel space
> > only; no DSP code.
>
> When you say "available as binaries" I take it that it's still
> running on board the card's ROM? (ie microcode implemented within
> the card, not the host.)

No, there are no ROMs. The DSP code (and ASIC code, for some models) 
has to be uploaded by the driver. No big deal, though. The only issue 
is that we have to drag all that binary code around with the drivers.

Anyway, I believe this goes for a bunch of other cards as well, so no 
news here, really.


//David Olofson - Programmer, Composer, Open Source Advocate

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