xref: /dflybsd-src/sys/dev/misc/lpt/lpt.h (revision 86d7f5d305c6adaa56ff4582ece9859d73106103)
1*86d7f5d3SJohn Marino /*-
2*86d7f5d3SJohn Marino  * Copyright (c) 1990 The Regents of the University of California.
3*86d7f5d3SJohn Marino  * All rights reserved.
4*86d7f5d3SJohn Marino  *
5*86d7f5d3SJohn Marino  * This code is derived from software contributed to Berkeley by
6*86d7f5d3SJohn Marino  * William Jolitz.
7*86d7f5d3SJohn Marino  *
8*86d7f5d3SJohn Marino  * Copyright (c) 1997, 1999 Nicolas Souchu
9*86d7f5d3SJohn Marino  * All rights reserved.
10*86d7f5d3SJohn Marino  *
11*86d7f5d3SJohn Marino  * Redistribution and use in source and binary forms, with or without
12*86d7f5d3SJohn Marino  * modification, are permitted provided that the following conditions
13*86d7f5d3SJohn Marino  * are met:
14*86d7f5d3SJohn Marino  * 1. Redistributions of source code must retain the above copyright
15*86d7f5d3SJohn Marino  *    notice, this list of conditions and the following disclaimer.
16*86d7f5d3SJohn Marino  * 2. Redistributions in binary form must reproduce the above copyright
17*86d7f5d3SJohn Marino  *    notice, this list of conditions and the following disclaimer in the
18*86d7f5d3SJohn Marino  *    documentation and/or other materials provided with the distribution.
19*86d7f5d3SJohn Marino  *
20*86d7f5d3SJohn Marino  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21*86d7f5d3SJohn Marino  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22*86d7f5d3SJohn Marino  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23*86d7f5d3SJohn Marino  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24*86d7f5d3SJohn Marino  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25*86d7f5d3SJohn Marino  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26*86d7f5d3SJohn Marino  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27*86d7f5d3SJohn Marino  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28*86d7f5d3SJohn Marino  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29*86d7f5d3SJohn Marino  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30*86d7f5d3SJohn Marino  * SUCH DAMAGE.
31*86d7f5d3SJohn Marino  *
32*86d7f5d3SJohn Marino  * Distantly from :
33*86d7f5d3SJohn Marino  *	@(#)lptreg.h      1.1 (Berkeley) 12/19/90
34*86d7f5d3SJohn Marino  *	Id: lptreg.h,v 1.6 1997/02/22 09:36:52 peter Exp
35*86d7f5d3SJohn Marino  *	From Id: nlpt.h,v 1.3 1999/01/10 12:04:54 nsouch Exp
36*86d7f5d3SJohn Marino  *
37*86d7f5d3SJohn Marino  * $FreeBSD: src/sys/dev/ppbus/lpt.h,v 1.4 1999/08/28 00:42:23 peter Exp $
38*86d7f5d3SJohn Marino  * $DragonFly: src/sys/dev/misc/lpt/lpt.h,v 1.2 2003/06/17 04:28:29 dillon Exp $
39*86d7f5d3SJohn Marino  */
40*86d7f5d3SJohn Marino 
41*86d7f5d3SJohn Marino /*
42*86d7f5d3SJohn Marino  * AT Parallel Port (for lineprinter)
43*86d7f5d3SJohn Marino  * Interface port and bit definitions
44*86d7f5d3SJohn Marino  * Written by William Jolitz 12/18/90
45*86d7f5d3SJohn Marino  * Copyright (C) William Jolitz 1990
46*86d7f5d3SJohn Marino  */
47*86d7f5d3SJohn Marino 
48*86d7f5d3SJohn Marino #ifndef __LPT_H
49*86d7f5d3SJohn Marino #define __LPT_H
50*86d7f5d3SJohn Marino 
51*86d7f5d3SJohn Marino /* machine independent definitions, it shall only depend on the ppbus
52*86d7f5d3SJohn Marino  * parallel port model */
53*86d7f5d3SJohn Marino 
54*86d7f5d3SJohn Marino 					/* PIN */
55*86d7f5d3SJohn Marino #define	LPS_NERR		0x08	/* 15  printer no error */
56*86d7f5d3SJohn Marino #define	LPS_SEL			0x10	/* 13  printer selected */
57*86d7f5d3SJohn Marino #define	LPS_OUT			0x20	/* 12  printer out of paper */
58*86d7f5d3SJohn Marino #define	LPS_NACK		0x40	/* 10  printer no ack of data */
59*86d7f5d3SJohn Marino #define	LPS_NBSY		0x80	/* 11  printer busy */
60*86d7f5d3SJohn Marino 
61*86d7f5d3SJohn Marino #define	LPC_STB			0x01	/*  1  strobe data to printer */
62*86d7f5d3SJohn Marino #define	LPC_AUTOL		0x02	/* 14  automatic linefeed */
63*86d7f5d3SJohn Marino #define	LPC_NINIT		0x04	/* 16  initialize printer */
64*86d7f5d3SJohn Marino #define	LPC_SEL			0x08	/* 17  printer selected */
65*86d7f5d3SJohn Marino #define	LPC_ENA			0x10	/*  -  enable IRQ */
66*86d7f5d3SJohn Marino 
67*86d7f5d3SJohn Marino #endif
68