From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Tue, 08 Jun 2004 23:57:58 +0100 (BST) Received: from smtp.seznam.cz ([IPv6:::ffff:212.80.76.43]:17571 "HELO smtp.seznam.cz") by linux-mips.org with SMTP id ; Tue, 8 Jun 2004 23:57:54 +0100 Received: (qmail 13276 invoked from network); 8 Jun 2004 22:40:31 -0000 Received: from unknown (HELO umax645sx) (Ladislav.Michl@160.218.40.14) by smtp.seznam.cz with SMTP; 8 Jun 2004 22:40:31 -0000 Received: from ladis by umax645sx with local (Exim 3.36 #1 (Debian)) id 1BXojj-0000i1-00 for ; Wed, 09 Jun 2004 00:06:27 +0200 Date: Wed, 9 Jun 2004 00:06:04 +0200 To: Linux MIPS Subject: Re: VINO Message-ID: <20040608220604.GA2578@umax645sx> References: <20040608125437.GC19965@hydrogen.boeventronie.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040608125437.GC19965@hydrogen.boeventronie.net> User-Agent: Mutt/1.5.6+20040523i From: Ladislav Michl Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 5265 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: ladis@linux-mips.org Precedence: bulk X-list: linux-mips On Tue, Jun 08, 2004 at 02:54:37PM +0200, Jorik Jonker wrote: > Hi, > > I have been playing around a bit with my Indycam, but it seems that some work > needs to be done to get a nice picture. I've read that it has something to do > with clipping and that the brightness control register is silently ignored. I > happen to have an IRIX installtion on my Indy as well, and I tried finding > out how to read the VINO registers from IRIX, but with no luck. Indeed, there's probably no easy way to read VINO registers from userspace. > I suppose that there must be some kernel-space piece of code to read the GIO > (?) memory around adress 0x00080000, but I am not able to figure out how to > do this in IRIX. Perhaps someone (with al little bit more kernel-hacking > experience) could guide me a little bit on doing this? That's right idea ((?) - EISA memory space) > Are there other people beside ladis who are attemping to enhance the VINO > driver in the linux kernel, and if so, what are your findings? > I would really like to contribute to VINO development, but it's quite opaque > matter to me, as the VINO spec is quite unclear and I am not certain what's > exactly going wrong in the VINO driver. If you're seriously considering to help with VINO development this link: http://www.ac3.edu.au/SGI_Developer/books/DevDriver_PG/sgi_html/ch09.html looks like a good starting point. It's easy, just write driver which allows you to read VINO registers while capture in progress :) ladis