Re: SVGAlib Matrox support

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From: Dr. Michael Weller (eowmob@exp-math.uni-essen.de)
Date: Mon 27 Jul 1998 - 11:29:49 IDT


On Mon, 27 Jul 1998, John Newbigin wrote:

> I have used SVGAlib for Linux with a Cirrus card for a while but
> recently upgraded to a Matrox Mystique 220.  Unfortunatly SVGAlib will
> not detect my card and I can no longer use it.  If anybody wanted to add
> support for Matrox cards, I can supply programming information.
> 
> I would add the support my self, but I have not had any experience with
> low level graphics for many years and I feel that there may be someone
> else more suited to the job.  There may even be work under way by

Hmm, I'm not under the impression that there are soo many other people
which are more suited.

> somebody else.

Well, I'll append some other mails below, but they don't refer to the
mystique. Now, at the very first have a look at svgalib-1.3.0 (on an ftp
server close to you), it has
limited VESA support which appears to work for the Millenium. You might
have toruble compiling it, get back to me or
linux-svgalib@vger.rutgers.edu, if so (We've some patches already).

> Please let me know if there is anyone who may be working on or
> interested in such a project, or if not, I will have a stab at it
> myself.

If it doesn't really work out of the box with VESA already, I'd be happy
if you
had.

Michael.

---8<--------8<--------8<----(some old mails)----8<--------8<--------8<---

>From eowmob@exp-math.uni-essen.de Mon Jul 27 10:29:00 1998
Date: Thu, 9 Jul 1998 16:14:19 +0200 (MESZ)
From: "Dr. Michael Weller" <eowmob@exp-math.uni-essen.de>
To: Borel Alain <Alain.Borel@icma.unil.ch>
Subject: Re: Matrox support in svgalib? (fwd)

Again, let me answer by a forward.

Also, I just got notice from sunsite.unc.edu they moved 1.3.0 into a
downloadable
location.

Michael.

--

Michael Weller: eowmob@exp-math.uni-essen.de, eowmob@ms.exp-math.uni-essen.de,
or even mat42b@spi.power.uni-essen.de. If you encounter an eowmob account on
any machine in the net, it's very likely it's me.

---------- Forwarded message ----------
Date: Wed, 8 Jul 1998 18:44:17 +0200 (MESZ)
From: "Dr. Michael Weller" <eowmob@exp-math.uni-essen.de>
To: Ashok Aiyar <aiyar@ebv.oncology.wisc.edu>
Subject: Re: Matrox support in svgalib?

With regards to my time, please let me answer by forwarding this other
mail. In addition to this.. I just uploaded the mentioned 1.3.0 now to the
ftp server a few hours ago, but you probably won't be able to get it
already.

The URL given below will hold the same version, with very minor
differences in README, Doc, lsm files, you could just use it instead.

WIth regards the the VESA driver, Matan still has this ohter url, I think
it is mentioned in the docs of 1.3.0 with regards to VESA too. I STILL did
not get any info back if this VESA thing works with MGA yes or no, albeit
many people asked already.

Michael.

--

Michael Weller: eowmob@exp-math.uni-essen.de, eowmob@ms.exp-math.uni-essen.de,
or even mat42b@spi.power.uni-essen.de. If you encounter an eowmob account on
any machine in the net, it's very likely it's me.

---------- Forwarded message ----------
Date: Wed, 10 Jun 1998 12:28:11 +0200 (MESZ)
From: "Dr. Michael Weller" <eowmob@exp-math.uni-essen.de>
To: Iftikhar Rathore <rathore@ns.CompuNetServices.com>
Subject: Re: SVGALIB Can I help

On Tue, 9 Jun 1998, Iftikhar Rathore wrote:

> 
> Hi
> 
> I have been in contact with a lot of people with newer cards. And we all 
> think svgalib has been and will be a very essential part of linux for 
> quite a while. I have found svgalib absolutely necessary for gaming and 
> fast rendering. I would like to offer my help in adding support for new
> hardware. I have a Matrox Mellinium II and a Voodoo 3dfx accelerator.
> How can I help adding support for mga chipset. And please can you tell me.
> 
> 1) Are there any snapshots for development releases anywhere I can start 
> from:

You can have a look at http://www.uni-essen.de/~mat42b but please keep it
a bit secret as that site cannot stand too much traffic. Matan Ziv-Av
<zivav@CS.bgu.ac.il> added some kind of VESA support. Sorry, I didn't
found the time yet to join it with my snapshot. I think he put the patch
on the web anyhow. You can ask him for the URL, unfortunately I didn't
note it. He posted it on linux-svgalib@vger.rutger.edu (mail
majordomo@vger.rutger.edu for details on subscribing. Also, I don't know
of any archives of that list, it's pretty silent anyway). In addition, I
promise to make a new snapshot with his patches in the next few days.
I got also report that the version bounce to 1.3.0 did not make any
problems with old binaries as first reports seemed to say.

> 2) Is there any other sources of Info, and will you mind if I put them 
> all together on something like an unofficial web page. I run an ISP and do 
> have resources for that.

Well, do as you like. I myself have no other direct source of info. Of
course, there is this vgadoc library and there is also a Matrox site with
docs. If you want to collect info, do it. YOu've my benediction.

With regards to the MGA. I don't have one, but got kinda interested in
buying one if I get a new machine. Now, MGA gives kinda complete specs of
the graphics chips, but you must register at their web site (needs a few
days). They don't provide info on the RAMDAC. However it seems to be a
TVP3027 (Texas instruments, full specs available at their website). The
MGA docs mention other possible Ramdacs (which I couldn't get docs about),
however, a Matrox guy mailed me they only use the TVP3027 on their
products. I reviewed those docs, and the info seems kinda complete. I just
lack an MGA (and much time).

I 'virtually' got in contact with Scott McNab <jedi@tartarus.uwa.edu.au>
who expressed interest in writing some MGA support, I helped him getting
those docs, but then it got silent around him. I dunno how far he got.

> P.S. I have tried GGI and it looks a little too far from being complete. 
> And lack of something like svgalib will create a major hole.

Well, if you ever read my svgalib.faq, you know I'm of the same opinion
(which is probably why you mention it here). Now, I could say many things
about GGI, but then: I'm beyond such things now.

Regards,
Michael.

--

Michael Weller: eowmob@exp-math.uni-essen.de, eowmob@ms.exp-math.uni-essen.de,
or even mat42b@spi.power.uni-essen.de. If you encounter an eowmob account on
any machine in the net, it's very likely it's me.


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