diff options
author | Ralf Baechle <ralf@linux-mips.org> | 1999-09-28 22:25:29 +0000 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 1999-09-28 22:25:29 +0000 |
commit | 0ae8dceaebe3659ee0c3352c08125f403e77ebca (patch) | |
tree | 5085c389f09da78182b899d19fe1068b619a69dd /Documentation/fb | |
parent | 273767781288c35c9d679e908672b9996cda4c34 (diff) |
Merge with 2.3.10.
Diffstat (limited to 'Documentation/fb')
-rw-r--r-- | Documentation/fb/tgafb.txt | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/Documentation/fb/tgafb.txt b/Documentation/fb/tgafb.txt new file mode 100644 index 000000000..36fe07821 --- /dev/null +++ b/Documentation/fb/tgafb.txt @@ -0,0 +1,51 @@ +[Also cloned from vesafb.txt, thanks to Gerd] + +What is tgafb? +=============== + +This is a driver for DECChip 21030 based graphics framebuffers, a.k.a. TGA +cards, specifically the following models + +ZLxP-E1 (8bpp, 4 MB VRAM) +ZLxP-E2 (32bpp, 8 MB VRAM) +ZLxP-E3 (32bpp, 16 MB VRAM, Zbuffer) + +This version, tgafb-1.12, is almost a complete rewrite of the code written +by Geert Uytterhoeven, which was based on the original TGA console code +written by Jay Estabrook. + +Major new features: + + * Support for multiple resolutions, including setting the resolution at + boot time, allowing the use of a fixed-frequency monitor. + * Complete code rewrite to follow Geert's skeletonfb spec which will allow + future implementation of hardware acceleration and other features. + + +Configuration +============= + +You can pass kernel command line options to tgafb with +`video=tga:option1,option2:value2,option3' (multiple options should be +separated by comma, values are separated from options by `:'). +Accepted options: + +font:X - default font to use. All fonts are supported, including the + SUN12x22 font which is very nice at high resolutions. +mode:X - default video mode. See drivers/video/tgafb.c for a list. + +X11 +=== + +XF68_FBDev should work just fine, but I haven't tested it. Running +the XF86_TGA server (reasonably recent versions of which support all TGA +cards) works fine for me. + +One minor problem with XF86_TGA is when running tgafb in resolutions higher +than 640x480, on switching VCs from tgafb to X, the entire screen is not +re-drawn and must be manually refreshed. This is an X server problem, not a +tgafb problem. + +Enjoy! + +Martin Lucina <mato@kotelna.sk> |