1.\" $OpenBSD: sisfb.4,v 1.2 2010/03/02 20:54:51 miod Exp $ 2.\" 3.\" Copyright (c) 2010 Miodrag Vallat. 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: March 2 2010 $ 18.Dt SISFB 4 loongson 19.Os 20.Sh NAME 21.Nm sisfb 22.Nd SiS 315 Pro frame buffer 23.Sh SYNOPSIS 24.Cd "sisfb* at pci?" 25.Sh DESCRIPTION 26The 27.Nm 28driver supports the SiS 315 Pro frame buffer. 29.Pp 30The 31.Nm 32driver interfaces the frame buffer with the 33.Xr wscons 4 34console framework, as a 35.Xr wsdisplay 4 36device. 37.Pp 38The PMON firmware initializes the frame buffer in a VGA compatible video mode, 39either with a 640x400 resolution and 8 bits per pixel on Fuloong, 40or a 1360x768 resolution and 16 bits per pixel on Lynloong. 41It is currently not possible to change the frame buffer resolution and 42color depth. 43.Sh SEE ALSO 44.Xr intro 4 , 45.Xr pci 4 , 46.Xr wscons 4 , 47.Xr wsdisplay 4 48