Possible TGA2 support?

[Alex Deucher]

On Sun, 20 Mar 2005 02:02:13 -0500, Tomasz Mloduchowski
<qdottbm at gmail.com> wrote:
> I'm quite eager to try - it's not a blocking problem, as I can put in
> (running now) some S3-based card, and it will work.
> 
> However I feel like soon we will see a lot of modern Alphas hitting
> and flooding ebay - with demise of windows NT linux or *BSD are only
> OS in cost range of enthusiasts - and general performance of the box
> is quite good as for 600MHz box.
> 
> Also, according to DEC-provided leaflet I got with this box (second
> hand) TGA2 performs better in 2d operations than Voodoo3, so it's by
> no means a crappy card. Add maximum supported resolution of 2048x1576
> and fast data bus.
> 
> And, this card may work in PC computers (probably) - at least the ones
> with PCI64 bus (some PII-PIII server boards - again, hitting ebay now)
> 
> So, anyway, I'd be happy to try, but I quite newb in the area.

the specs are still available here:
ftp://ftp.netbsd.org/pub/NetBSD/misc/dec-docs/index.html
your best bet is probably to add support for tga2 to the tga driver;
the chips are probably fairly similar.  I think I still have one
floating around if you manage to get something working.

Alex

> 
> Tomasz
> 
> On Sat, 19 Mar 2005 08:24:48 -0800, Stuart Kreitman
> <Stuart.Kreitman at sun.com> wrote:
> > wow, blast from the past. Somewhere buried in the dec-compaq-hp archives
> > are archives
> > of the specs and code that would help you.
> > Realistically, please be advised that the ability of anyone to help you
> > is severly limited by
> > the low availability of your out of print platform and the possible
> > non-existance of
> > anyone with access to those archives.
> >
> > If you are sincere about trying this work (with more emphasis on "try"
> > than "complete")
> > we can try to find the access you need.
> >
> > Alternatively, there must be a pci graphics card that is well supported
> > by Xorg and works in your
> > system, modulo video bios issues related to Alpha processor PALcode and
> > emulation of bios
> > operation.
> >
> > skk
> >
> > Tomasz Mloduchowski wrote:
> >
> > >Hi,
> > >
> > >I have DEC Miata running Linux, equipped with DEC PBXGB [TGA2] (rev
> > >22) card, which is not yet supported by xorg.
> > >
> > >It's a (supposedly) high performance GFX card, on PCI64 bus, with some
> > >3d features.
> > >
> > >Would someone be interested in writing a driver for it? (there is
> > >driver for TGA, but not TGA2)
> > >
> > >I will try to help as well as I can, but I am afraid I can't do it
> > >completely on my own (never wrote, or even looked at, any xorg's
> > >code).
> > >
> > >Or maybe it's something simple?
> > >
> > >Additional info (/proc/pci, Xorg.0.log) can be found here:
> > >http://mlodutb.mit.edu/miata/
> > >
> > >Tomasz