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
X(1).
SEE ALSO
bwtwo(4),
cgtwo(4),
cgthree(4),
cgsix(4),
cgeight(4),
tcx(4)