1*ff501836Sjmc.\" $OpenBSD: cgtwelve.4,v 1.4 2008/03/31 08:12:22 jmc Exp $ 210d2b98dSmiod.\" 310d2b98dSmiod.\" Copyright (c) 2002 Miodrag Vallat. All rights reserved. 410d2b98dSmiod.\" 510d2b98dSmiod.\" Redistribution and use in source and binary forms, with or without 610d2b98dSmiod.\" modification, are permitted provided that the following conditions 710d2b98dSmiod.\" are met: 810d2b98dSmiod.\" 1. Redistributions of source code must retain the above copyright 910d2b98dSmiod.\" notice, this list of conditions and the following disclaimer. 1010d2b98dSmiod.\" 2. Redistributions in binary form must reproduce the above copyright 1110d2b98dSmiod.\" notice, this list of conditions and the following disclaimer in the 1210d2b98dSmiod.\" documentation and/or other materials provided with the distribution. 1310d2b98dSmiod.\" 1410d2b98dSmiod.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1510d2b98dSmiod.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 1610d2b98dSmiod.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 1710d2b98dSmiod.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 1810d2b98dSmiod.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 1910d2b98dSmiod.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 2010d2b98dSmiod.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2110d2b98dSmiod.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 2210d2b98dSmiod.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 2310d2b98dSmiod.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 2410d2b98dSmiod.\" POSSIBILITY OF SUCH DAMAGE. 2510d2b98dSmiod.\" 26*ff501836Sjmc.Dd $Mdocdate: March 31 2008 $ 2710d2b98dSmiod.Dt CGTWELVE 4 sparc64 2810d2b98dSmiod.Os 2910d2b98dSmiod.Sh NAME 3010d2b98dSmiod.Nm cgtwelve 3110d2b98dSmiod.Nd accelerated 24-bit color frame buffer 3210d2b98dSmiod.Sh SYNOPSIS 3310d2b98dSmiod.Cd "cgtwelve* at sbus?" 3410d2b98dSmiod.Cd "wsdisplay* at cgtwelve?" 3510d2b98dSmiod.Sh DESCRIPTION 3610d2b98dSmiodThe 3710d2b98dSmiod.Nm 3810d2b98dSmiodis a triple-slot SBus color frame buffer, with graphics acceleration 3910d2b98dSmiodand overlay capabilities. 4010d2b98dSmiod.Pp 4110d2b98dSmiodThe 4210d2b98dSmiod.Nm 4310d2b98dSmioddriver interfaces the frame buffer with the 4410d2b98dSmiod.Xr wscons 4 4510d2b98dSmiodconsole framework. 4610d2b98dSmiodIt does not provide direct device driver entry points 4710d2b98dSmiodbut makes its functions available via the internal 4810d2b98dSmiod.Xr wsdisplay 4 4910d2b98dSmiodinterface. 5010d2b98dSmiod.Sh SEE ALSO 5110d2b98dSmiod.Xr intro 4 , 5210d2b98dSmiod.Xr sbus 4 , 5310d2b98dSmiod.Xr wscons 4 , 54*ff501836Sjmc.Xr wsdisplay 4 5510d2b98dSmiod.Sh CAVEATS 5610d2b98dSmiodThe only way to connect a 5710d2b98dSmiod.Nm 5810d2b98dSmiodframe buffer to an UltraSPARC is with the help of an 5910d2b98dSmiod.Xr xbox 4 6010d2b98dSmiodSBus Expansion subsystem. 6110d2b98dSmiod.Pp 6210d2b98dSmiodThis driver does not support any acceleration features. 63