cgfour(4) - NetBSD Manual Pages

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CGFOUR(4)            NetBSD/sparc Kernel Interfaces Manual           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 Xorg(1).


SEE ALSO

     sparc/bwtwo(4), sparc/cgeight(4), sparc/cgsix(4), sparc/cgthree(4),
     sparc/cgtwo(4), sparc/tcx(4)

NetBSD 8.3                     February 17, 2017                    NetBSD 8.3