Re: RFC Maestro-3i

From: Martin Dalecki (m.dalecki@stock-world.de)
Date: Mon Jun 05 2000 - 12:15:11 EST


Zach Brown wrote:
>
> On Sun, Jun 04, 2000 at 04:40:57PM -0400, Jeff Garzik wrote:
>
> > Martin Dalecki wrote:
> >
> > > However I got the /dev/mixer support for it
> > > running by just adapting the Maestro 1,2,2e drivers.
>
> *nod* Most of the Maestro3 is quite similar to the 1/2/2e. It still
> uses the same ac97 interface as the old parts. (Which is kinda
> disappointing, I hope they also added the ability to do SMP safe mmio
> access :))
>
> > > I have the tech doc's about the whole thing.
>
> No you don't :) Notice that the docs don't describe how the ASSP works.
> Notice that they axed the APU part (yay!), which unfortunately means
> that we're now left with having to talk to the ASSP to do our DAC work
> (boo).

OK, however the updated doc's for the Maestro-3i
appear to contain at least a PCI
register level descriptions
of all involved parts. The only "blank pages" I see are in the
area of the "modem" functionality.

> I haven't had maestro hardware since I left Red Hat in mid-march. I
> have been talking with ESS again recently, though. They're keen on
> giving me some hardware again to keep the 1/2/2e going. We're still
> talking about m3 support. One can guess the usual reasons they're none
> too excited about releasing specifications of the ASSP :(
>
> I've found someone at work who has a m3 on their desktop. I'm going to
> try sometime this week to get SB emul going. We can at least get the
> part hobbling along pretending to be a SB while we try and convince ESS
> to let us make the most of their cool DSP.

I can provide you with beta testing feedback on my HP-OmniBook-XE2 too.
However I don't have the time to do a lot of low level hacking on
my-self.

> I also intend to get a maestro-users list going Sometime Soon, I'll
> probably announce that and the progress of the sbemul attempt sometime
> late this week.

Yes this should be just a matter of a proper PCI register level setup.

Anyway Thank's You for the response.

--mdcki

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