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CGFOUR(4) |
Kernel Interfaces Manual (SPARC) |
CGFOUR(4) |
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).