NAME
cgfour —
Sun 8-bit color frame
buffer
SYNOPSIS
cgfour0 at obio0 addr 0xfb300000 level 4 (sun4/300)
cgfour0 at obio0 addr 0x0b300000 level 4 (sun4/100)
DESCRIPTION
The
cgfour is a memory based color frame buffer with overlay
plane. Its pixel memory and control planes can be mapped into a user process
address space by using the
mmap(2) system call. The
cgfour driver supports the minimal ioctl's needed to run
Xorg(1).
SEE ALSO
sparc/bwtwo(4),
sparc/cgeight(4),
sparc/cgsix(4),
sparc/cgthree(4),
sparc/cgtwo(4),
sparc/tcx(4)