> From: Michael <[email protected]> > Date: Tue, 13 Oct 2009 15:22:55 -0400 > > Hello,
Hi Michael, Sorry for the late reply; I just returned from a trip to India. > ... which reminds me - I have an SBus card with ( among others ) an > I128. I wrote an accelerated kernel driver for NetBSD using the X > driver as reference, but the X driver doesn't support any mono-to- > colour expansion. Does anyone have any I128 docs? Or does the chip > simply not support colour expansion? > I have never heard of any i128 PCI cards for Suns - do you have a > model name or something? It's a Tech Source Raptor GFX-8M. > Most PCI graphics chips have their (framebuffer) apertures split into > a big endian and a little endian half, some have programmable byte > twiddling, some have both. It would be a strange choice to pick one of > the few chips that don't support big endian mode for a big endian > machine. So, it's probably there somewhere. Yeah, that's what I figured as well. I didn't manage to find the right bits to do this though. Hopefully Adam can provide some hints though once I mail him the Xorg.log output. > Also, it might give you a hint or two if you ran the OF console in 24 > bit ( output-device=screen:r1152x900x76x24 works on at least some Sun > graphics boards ) and then check if the address property agrees with > the framebuffer BAR ( there should be an entry for it in /memory/ > translations, 'address' is an OF virtual address after all ) > Or, just check what's halfway up the framebuffer aperture. As far as I could determine, the OF console driver only supports 8-bit graphics. Anyway, thanks for the hints so far. Mark _______________________________________________ xorg-devel mailing list [email protected] http://lists.x.org/mailman/listinfo/xorg-devel
