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diff --git a/Documentation/fb/cirrusfb.rst b/Documentation/fb/cirrusfb.rst new file mode 100644 index 000000000000..8c3e6c6cb114 --- /dev/null +++ b/Documentation/fb/cirrusfb.rst @@ -0,0 +1,94 @@ +============================================ +Framebuffer driver for Cirrus Logic chipsets +============================================ + +Copyright 1999 Jeff Garzik <jgarzik@pobox.com> + + +.. just a little something to get people going; contributors welcome! + + +Chip families supported: + - SD64 + - Piccolo + - Picasso + - Spectrum + - Alpine (GD-543x/4x) + - Picasso4 (GD-5446) + - GD-5480 + - Laguna (GD-546x) + +Bus's supported: + - PCI + - Zorro + +Architectures supported: + - i386 + - Alpha + - PPC (Motorola Powerstack) + - m68k (Amiga) + + + +Default video modes +------------------- +At the moment, there are two kernel command line arguments supported: + +- mode:640x480 +- mode:800x600 +- mode:1024x768 + +Full support for startup video modes (modedb) will be integrated soon. + +Version 1.9.9.1 +--------------- +* Fix memory detection for 512kB case +* 800x600 mode +* Fixed timings +* Hint for AXP: Use -accel false -vyres -1 when changing resolution + + +Version 1.9.4.4 +--------------- +* Preliminary Laguna support +* Overhaul color register routines. +* Associated with the above, console colors are now obtained from a LUT + called 'palette' instead of from the VGA registers. This code was + modelled after that in atyfb and matroxfb. +* Code cleanup, add comments. +* Overhaul SR07 handling. +* Bug fixes. + + +Version 1.9.4.3 +--------------- +* Correctly set default startup video mode. +* Do not override ram size setting. Define + CLGEN_USE_HARDCODED_RAM_SETTINGS if you _do_ want to override the RAM + setting. +* Compile fixes related to new 2.3.x IORESOURCE_IO[PORT] symbol changes. +* Use new 2.3.x resource allocation. +* Some code cleanup. + + +Version 1.9.4.2 +--------------- +* Casting fixes. +* Assertions no longer cause an oops on purpose. +* Bug fixes. + + +Version 1.9.4.1 +--------------- +* Add compatibility support. Now requires a 2.1.x, 2.2.x or 2.3.x kernel. + + +Version 1.9.4 +------------- +* Several enhancements, smaller memory footprint, a few bugfixes. +* Requires kernel 2.3.14-pre1 or later. + + +Version 1.9.3 +------------- +* Bundled with kernel 2.3.14-pre1 or later. |