diff options
author | Todd C. Miller <millert@cvs.openbsd.org> | 1998-03-09 03:04:55 +0000 |
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committer | Todd C. Miller <millert@cvs.openbsd.org> | 1998-03-09 03:04:55 +0000 |
commit | 9689cd0a9d5ca600a4b17ecedc6ab75cd96bcad7 (patch) | |
tree | 2121566a24d79d2183c27537a0184283a1545a11 /share/man/man4/man4.alpha/lpt.4 | |
parent | 4524b06fbf789297c9fce6b9dd3b52a6f94b8c84 (diff) |
Add some more, taken from the i386 port. I wonder if many of these should
not just be platform independent?
Diffstat (limited to 'share/man/man4/man4.alpha/lpt.4')
-rw-r--r-- | share/man/man4/man4.alpha/lpt.4 | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/share/man/man4/man4.alpha/lpt.4 b/share/man/man4/man4.alpha/lpt.4 new file mode 100644 index 00000000000..57954e43791 --- /dev/null +++ b/share/man/man4/man4.alpha/lpt.4 @@ -0,0 +1,61 @@ +.\" +.\" 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. +.\" 3. The name of the author may not be used to endorse or promote products +.\" 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. +.\" +.\" $Id: lpt.4,v 1.1 1998/03/09 03:04:53 millert Exp $ +.\" +.Dd August 6, 1993 +.Dt LPT 4 alpha +.Os +.Sh NAME +.Nm lpt +.Nd +Parallel port driver +.Sh SYNOPSIS +.\" XXX this is awful hackery to get it to work right... -- cgd +.Cd "lpt0 at isa? port" \&"IO_LPT1\&" irq 7 +.Cd "lpt1 at isa? port" \&"IO_LPT2\&" +.Sh DESCRIPTION +This driver provides access to parallel ports. +.Pp +The highest bit in the minor (bit 7, or add 128) 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. +.Pp +The next lower bit (bit 6, or add 64) indicates the driver should +avoid initializing the printer. +.P. +The next lower bit (bit 5, or add 32) requests that the driver do +automatic LF generation when printing CR's. +.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 |