1/*-
 2 * SPDX-License-Identifier: BSD-2-Clause
 3 *
 4 * Copyright (c) 1990 The Regents of the University of California.
 5 * All rights reserved.
 6 *
 7 * This code is derived from software contributed to Berkeley by
 8 * William Jolitz.
 9 *
10 * Copyright (c) 1997, 1999 Nicolas Souchu
11 * All rights reserved.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 *    notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 *    notice, this list of conditions and the following disclaimer in the
20 *    documentation and/or other materials provided with the distribution.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * Distantly from :
35 *	@(#)lptreg.h      1.1 (Berkeley) 12/19/90
36 *	Id: lptreg.h,v 1.6 1997/02/22 09:36:52 peter Exp
37 *	From Id: nlpt.h,v 1.3 1999/01/10 12:04:54 nsouch Exp
38 */
39
40/*
41 * AT Parallel Port (for lineprinter)
42 * Interface port and bit definitions
43 * Written by William Jolitz 12/18/90
44 * Copyright (C) William Jolitz 1990
45 */
46
47#ifndef __LPT_H
48#define	__LPT_H
49
50/* machine independent definitions, it shall only depend on the ppbus
51 * parallel port model */
52
53					/* PIN */
54#define	LPS_NERR		0x08	/* 15  printer no error */
55#define	LPS_SEL			0x10	/* 13  printer selected */
56#define	LPS_OUT			0x20	/* 12  printer out of paper */
57#define	LPS_NACK		0x40	/* 10  printer no ack of data */
58#define	LPS_NBSY		0x80	/* 11  printer busy */
59
60#define	LPC_STB			0x01	/*  1  strobe data to printer */
61#define	LPC_AUTOL		0x02	/* 14  automatic linefeed */
62#define	LPC_NINIT		0x04	/* 16  initialize printer */
63#define	LPC_SEL			0x08	/* 17  printer selected */
64#define	LPC_ENA			0x10	/*  -  enable IRQ */
65
66#endif