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.\" $OpenBSD: wsfb.man,v 1.3 2008/01/13 16:30:33 jasper Exp $
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.\"
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.\" Copyright (c) 2001,2002 Matthieu Herrb
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\"
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.\" - Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" - Redistributions in binary form must reproduce the above
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.\" copyright notice, this list of conditions and the following
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.\" disclaimer in the documentation and/or other materials provided
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.\" with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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.\" "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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.\" LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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.\" FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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.\" COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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.\" CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" shorthand for double quote that works everywhere.
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.ds q \N'34'
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.TH WSFB __drivermansuffix__ __vendorversion__
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.SH NAME
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wsfb \- video driver for wsdisplay framebuffer device
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.SH SYNOPSIS
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.nf
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.B "Section \*qDevice\*q"
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.BI " Identifier \*q" devname \*q
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.B " Driver \*qwsfb\*q"
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\ \ ...
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.B EndSection
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.fi
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.SH DESCRIPTION
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.B wsfb
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is an __xservername__ driver for OpenBSD and NetBSD
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wsdisplay framebuffer devices.
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This is a non-accelerated driver.
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The following framebuffer depths are supported: 1, 8, 16 and 24, given
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that the wsdisplay device underneath supports them.
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.br
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A StaticGray monochrome visual is provided for depth 1,
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all visual types are supported for depth 8 and a TrueColor visual is
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supported for the other depths.
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Multi-head configurations are supported.
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.SH SUPPORTED HARDWARE
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The
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.B wsfb
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driver supports all hardware where a wsdisplay framebuffer driver
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is available on OpenBSD and NetBSD.
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On OpenBSD, currently this includes OpenBSD/macppc, OpenBSD/sgi,
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OpenBSD/sparc, OpenBSD/sparc64 and OpenBSD/alpha on TGA graphics cards.
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It also supports NetBSD/i386 using wsdisplay on vesafb(4).
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.SH CONFIGURATION DETAILS
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Please refer to __xconfigfile__(__filemansuffix__) for general configuration
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details.
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This section only covers configuration details specific to this driver.
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.PP
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For this driver it is not required to specify modes in the
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.B Screen
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section of the configuration file.
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The
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.B wsfb
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driver picks up the currently used video mode from the framebuffer
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driver and uses it.
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Video modes specifications in the configuration file are ignored.
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.PP
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The following driver options are supported in the
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.B Device
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section:
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.TP
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.BI "Option \*qdevice\*q \*q" string \*q
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The wsdisplay framebuffer device to use.
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Default for OpenBSD: \fI/dev/ttyC0\fP.
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Default for NetBSD: \fI/dev/ttyE0\fP.
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.TP
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.BI "Option \*qShadowFB\*q \*q" boolean \*q
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Enable or disable use of the shadow framebuffer layer.
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See shadowfb(__drivermansuffix__) for further information.
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Default: on for depths were it is supported, off otherwise.
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.br
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ShadowFB is currently not supported on monochrome displays.
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.TP
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.BI "Option \*qRotate\*q \*q" string \*q
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Enable rotation of the display. The supported values are "CW" (clockwise,
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90 degrees), "UD" (upside down, 180 degrees) and "CCW" (counter clockwise,
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270 degrees).
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Implies use of the shadow framebuffer layer.
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Default: off.
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.SH "SEE ALSO"
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XFree86(1), __xconfigfile__(__filemansuffix__), xorgconfig(1), Xserver(1),
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X(__miscmansuffix__), wsdisplay(__drivermansuffix__)
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.SH AUTHORS
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Authors include: Matthieu Herrb, Gerd Knorr, Michel D<>nzer, Geert Uytterhoeven
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