1996-03-29 00:30:19 +03:00
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.\"
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.\" Copyright (c) 1995 Mark Brinicombe
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.\" Copyright (c) 1993 Christopher G. Demetriou
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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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.\" 1. 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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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by Christopher G. Demetriou.
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.\" 3. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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1997-10-18 07:52:49 +04:00
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.\" $NetBSD: lpt.4,v 1.4 1997/10/18 03:53:20 mark Exp $
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1996-03-29 00:30:19 +03:00
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.\"
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.Dd July 29, 1995
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.Dt LPT 4 arm32
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1997-10-18 07:52:49 +04:00
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.Os NetBSD
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1996-03-29 00:30:19 +03:00
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.Sh NAME
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.Nm lpt
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.Nd
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Parallel port driver
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.Sh SYNOPSIS
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.Cd "lpt0 at mainbus? base 0x002109e0 irq 0"
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.Sh DESCRIPTION
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This driver provides access to parallel ports. The highest bit in the minor
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number selects whether to do polling or wait for interrupts. If no IRQ is
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specified in the kernel configuration, only the polling device may be used.
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.Sh FILES
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.Bl -tag -width Pa -compact
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.It Pa /dev/lpt0
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first interrupt-driven parallel port device
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.It Pa /dev/lpa0
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first polled parallel port device
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.El
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