From 49bcd77243d8342b9afc7a2230dae2cda7cc373e Mon Sep 17 00:00:00 2001 From: rkujawa Date: Thu, 19 Jul 2012 08:57:09 +0000 Subject: [PATCH] Add man page for recently introduced tdvfb(4). --- share/man/man4/Makefile | 4 +- share/man/man4/tdvfb.4 | 95 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 97 insertions(+), 2 deletions(-) create mode 100644 share/man/man4/tdvfb.4 diff --git a/share/man/man4/Makefile b/share/man/man4/Makefile index b1ed5dec433d..a0d0f64c4311 100644 --- a/share/man/man4/Makefile +++ b/share/man/man4/Makefile @@ -1,4 +1,4 @@ -# $NetBSD: Makefile,v 1.588 2012/07/13 22:58:45 abs Exp $ +# $NetBSD: Makefile,v 1.589 2012/07/19 08:57:09 rkujawa Exp $ # @(#)Makefile 8.1 (Berkeley) 6/18/93 MAN= aac.4 ac97.4 acardide.4 aceride.4 acphy.4 \ @@ -57,7 +57,7 @@ MAN= aac.4 ac97.4 acardide.4 aceride.4 acphy.4 \ sm.4 smsh.4 sn.4 sony.4 spc.4 speaker.4 spif.4 sqphy.4 ss.4 \ st.4 ste.4 stge.4 sti.4 stpcide.4 sv.4 strip.4 \ svwsata.4 swsensor.4 swwdog.4 sysmon.4 \ - tap.4 tc.4 tcds.4 tcp.4 termios.4 tfb.4 thinkpad.4 \ + tap.4 tc.4 tcds.4 tcp.4 tdvfb.4 termios.4 tfb.4 thinkpad.4 \ ti.4 tl.4 tlp.4 tlphy.4 tp.4 tpm.4 tprof.4 tr.4 tra.4 \ trm.4 tty.4 tun.4 tqphy.4 twa.4 twe.4 txp.4 \ uark.4 ubsec.4 udp.4 uep.4 ug.4 uha.4 uk.4 ukphy.4 unix.4 userconf.4 \ diff --git a/share/man/man4/tdvfb.4 b/share/man/man4/tdvfb.4 new file mode 100644 index 000000000000..51591088cd52 --- /dev/null +++ b/share/man/man4/tdvfb.4 @@ -0,0 +1,95 @@ +.\" $NetBSD: tdvfb.4,v 1.1 2012/07/19 08:57:09 rkujawa Exp $ +.\" +.\" Copyright (c) 2012 Radoslaw Kujawa +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED +.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.Dd July 19, 2012 +.Dt TDVFB 4 +.Os +.Sh NAME +.Nm tdvfb +.Nd 3Dfx Voodoo 2 framebuffer driver +.Sh SYNOPSIS +.Cd "tdvfb* at pci?" +.Cd "wsdisplay* at tdvfb?" +.Cd "options TDVFB_CONSOLE" +.Sh DESCRIPTION +The +.Nm +driver provides support for the 3Dfx Voodoo 2 graphics card and provides an +interface for machine independent +.Xr wscons 4 +driver. +.Pp +Since Voodoo2 was originally designed as a 3D-only solution, most boards do not +have any kind of firmware. +The +.Nm +driver is albe to do low level initialization (boot) of the board, which means +that it can be used on all architectures and is truly machine independent. +However, it also means that driver is can not detect automatically if Voodoo2 +is used as a console. +.Dv TDVFB_CONSOLE +option is provided and should be set if the +.Nm +driver is intended to be used as a console. +.Sh SEE ALSO +.Xr genfb 4 , +.Xr voodoofb 4 , +.Xr wsdisplay 4 +.Rs +.%A 3Dfx Interactive, Inc. +.%T Voodoo2 Graphics Engine for 3D Game Acceleration +.%N Revision 1.16 +.%D December 1, 1999 +.Re +.Sh AUTHORS +.An -nosplit +The +.Nm +driver was written by +.An Radoslaw Kujawa . +3Dfx Glide 2.x source code, Linux driver by +.An Ghozlane Toumi +were used as reference. +The +.Xr wscons 4 +attachment code is based mostly on a +.Xr genfb 4 +driver by +.An Michael Lorenz . +.Sh BUGS +The +.Nm +driver is unaccelerated. 3Dfx Voodoo2 has a simple 2D graphics engine but it is +unsupported yet. +.Pp +Video mode is hard coded to 800x600 at 60Hz in 32-bits, it should be selectable +at least via kernel configuration file. +It is not possibe to detect what resolutions are supported by the monitor, +since Voodoo2 has no DDC interface. +.Pp +8-bit depth is not supported by the hardware. +16-bit depth is supported by the hardware and is a prefered depth, however it +does not work corretly at the moment (this is a driver problem).