Messages in this thread | | | Date | Tue, 26 Jan 1999 10:05:57 +0100 (CET) | From | Geert Uytterhoeven <> | Subject | Re: Announce (and questions): Linux 2.2 VGA 640x480x16 framebuffer driver |
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On Tue, 26 Jan 1999, Ben Pfaff wrote: > For use mainly by graphical installation disks, I have written a > `least common denominator' 640x480x16 framebuffer for VGA and > compatible cards. It is essentially complete. You can find it at > http://pfaffben.user.msu.edu/~blp > and http://www.msu.edu/user/pfaffben > > To use it, patch a 2.2.0 kernel pre-patch with vga16.patch, then > select `VGA 16-color graphics console' and `VGA 16-color planar > support' in configuration. When you reboot, you must specify vga=274 > (which is 0x112 in hex) to kick your card into the proper video mode > for use by VGA16 (I have not implemented mode-setting yet).
Nice!
> + vga16fb_defined.pixclock = 10000000 / 640 * 1000 / 480; > + vga16fb_defined.left_margin = (640 / 8) & 0xf8; > + vga16fb_defined.right_margin = 32; > + vga16fb_defined.upper_margin = 16; > + vga16fb_defined.lower_margin = 4;
Here you could fill in the timings for the standard VGA 640x480 mode.
And now we're waiting for 320x200 in 256 colors :-)
Greetings,
Geert
-- Geert Uytterhoeven Geert.Uytterhoeven@cs.kuleuven.ac.be Wavelets, Linux/{m68k~Amiga,PPC~CHRP} http://www.cs.kuleuven.ac.be/~geert/ Department of Computer Science -- Katholieke Universiteit Leuven -- Belgium
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