CGFOUR(4) | Device Drivers Manual (sparc) | CGFOUR(4) |
cgfour
— Sun 8-bit
color frame buffer
cgfour0 at obio0 addr 0xfb300000 level 4
(sun4/300)
cgfour0 at obio0 addr 0x0b300000 level 4
(sun4/100)
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).
sparc/bwtwo(4), sparc/cgeight(4), sparc/cgsix(4), sparc/cgthree(4), sparc/cgtwo(4), sparc/tcx(4)
February 17, 2017 | NetBSD 10.99 |