2003-04-17 14:32:39 +04:00
|
|
|
.\" $NetBSD: lpt.4,v 1.2 2003/04/17 10:32:40 wiz Exp $
|
1996-03-29 00:30:19 +03:00
|
|
|
.\"
|
|
|
|
|
.\" Copyright (c) 1995 Mark Brinicombe
|
|
|
|
|
.\" Copyright (c) 1993 Christopher G. Demetriou
|
|
|
|
|
.\" 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.
|
|
|
|
|
.\" 3. All advertising materials mentioning features or use of this software
|
|
|
|
|
.\" must display the following acknowledgement:
|
|
|
|
|
.\" This product includes software developed by Christopher G. Demetriou.
|
1999-04-07 00:24:37 +04:00
|
|
|
.\" 4. The name of the author may not be used to endorse or promote products
|
1996-03-29 00:30:19 +03:00
|
|
|
.\" derived from this software without specific prior written permission
|
|
|
|
|
.\"
|
|
|
|
|
.\" 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 29, 1995
|
2003-04-17 14:16:12 +04:00
|
|
|
.Dt LPT 4 acorn32
|
1999-03-16 04:19:14 +03:00
|
|
|
.Os
|
1996-03-29 00:30:19 +03:00
|
|
|
.Sh NAME
|
|
|
|
|
.Nm lpt
|
2001-04-11 22:54:00 +04:00
|
|
|
.Nd parallel port driver
|
1996-03-29 00:30:19 +03:00
|
|
|
.Sh SYNOPSIS
|
2003-04-17 14:32:39 +04:00
|
|
|
.Cd lpt* at pioc? offset 0x0278 irq 0
|
|
|
|
|
.Cd lpt* at pioc? offset 0x0378 irq -1
|
|
|
|
|
.Cd lpt* at pioc? offset 0x03bc irq -1
|
1996-03-29 00:30:19 +03:00
|
|
|
.Sh DESCRIPTION
|
|
|
|
|
This driver provides access to parallel ports. The highest bit in the minor
|
|
|
|
|
number selects whether to do polling or wait for interrupts. If no IRQ is
|
|
|
|
|
specified in the kernel configuration, only the polling device may be used.
|
|
|
|
|
.Sh FILES
|
|
|
|
|
.Bl -tag -width Pa -compact
|
|
|
|
|
.It Pa /dev/lpt0
|
|
|
|
|
first interrupt-driven parallel port device
|
|
|
|
|
.It Pa /dev/lpa0
|
|
|
|
|
first polled parallel port device
|
|
|
|
|
.El
|
