xref: /dflybsd-src/sys/dev/misc/lpt/lpt.h (revision 86d7f5d305c6adaa56ff4582ece9859d73106103)
186d7f5d3SJohn Marino /*-
286d7f5d3SJohn Marino  * Copyright (c) 1990 The Regents of the University of California.
386d7f5d3SJohn Marino  * All rights reserved.
486d7f5d3SJohn Marino  *
586d7f5d3SJohn Marino  * This code is derived from software contributed to Berkeley by
686d7f5d3SJohn Marino  * William Jolitz.
786d7f5d3SJohn Marino  *
886d7f5d3SJohn Marino  * Copyright (c) 1997, 1999 Nicolas Souchu
986d7f5d3SJohn Marino  * All rights reserved.
1086d7f5d3SJohn Marino  *
1186d7f5d3SJohn Marino  * Redistribution and use in source and binary forms, with or without
1286d7f5d3SJohn Marino  * modification, are permitted provided that the following conditions
1386d7f5d3SJohn Marino  * are met:
1486d7f5d3SJohn Marino  * 1. Redistributions of source code must retain the above copyright
1586d7f5d3SJohn Marino  *    notice, this list of conditions and the following disclaimer.
1686d7f5d3SJohn Marino  * 2. Redistributions in binary form must reproduce the above copyright
1786d7f5d3SJohn Marino  *    notice, this list of conditions and the following disclaimer in the
1886d7f5d3SJohn Marino  *    documentation and/or other materials provided with the distribution.
1986d7f5d3SJohn Marino  *
2086d7f5d3SJohn Marino  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
2186d7f5d3SJohn Marino  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2286d7f5d3SJohn Marino  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2386d7f5d3SJohn Marino  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
2486d7f5d3SJohn Marino  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2586d7f5d3SJohn Marino  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2686d7f5d3SJohn Marino  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2786d7f5d3SJohn Marino  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2886d7f5d3SJohn Marino  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2986d7f5d3SJohn Marino  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3086d7f5d3SJohn Marino  * SUCH DAMAGE.
3186d7f5d3SJohn Marino  *
3286d7f5d3SJohn Marino  * Distantly from :
3386d7f5d3SJohn Marino  *	@(#)lptreg.h      1.1 (Berkeley) 12/19/90
3486d7f5d3SJohn Marino  *	Id: lptreg.h,v 1.6 1997/02/22 09:36:52 peter Exp
3586d7f5d3SJohn Marino  *	From Id: nlpt.h,v 1.3 1999/01/10 12:04:54 nsouch Exp
3686d7f5d3SJohn Marino  *
3786d7f5d3SJohn Marino  * $FreeBSD: src/sys/dev/ppbus/lpt.h,v 1.4 1999/08/28 00:42:23 peter Exp $
3886d7f5d3SJohn Marino  * $DragonFly: src/sys/dev/misc/lpt/lpt.h,v 1.2 2003/06/17 04:28:29 dillon Exp $
3986d7f5d3SJohn Marino  */
4086d7f5d3SJohn Marino 
4186d7f5d3SJohn Marino /*
4286d7f5d3SJohn Marino  * AT Parallel Port (for lineprinter)
4386d7f5d3SJohn Marino  * Interface port and bit definitions
4486d7f5d3SJohn Marino  * Written by William Jolitz 12/18/90
4586d7f5d3SJohn Marino  * Copyright (C) William Jolitz 1990
4686d7f5d3SJohn Marino  */
4786d7f5d3SJohn Marino 
4886d7f5d3SJohn Marino #ifndef __LPT_H
4986d7f5d3SJohn Marino #define __LPT_H
5086d7f5d3SJohn Marino 
5186d7f5d3SJohn Marino /* machine independent definitions, it shall only depend on the ppbus
5286d7f5d3SJohn Marino  * parallel port model */
5386d7f5d3SJohn Marino 
5486d7f5d3SJohn Marino 					/* PIN */
5586d7f5d3SJohn Marino #define	LPS_NERR		0x08	/* 15  printer no error */
5686d7f5d3SJohn Marino #define	LPS_SEL			0x10	/* 13  printer selected */
5786d7f5d3SJohn Marino #define	LPS_OUT			0x20	/* 12  printer out of paper */
5886d7f5d3SJohn Marino #define	LPS_NACK		0x40	/* 10  printer no ack of data */
5986d7f5d3SJohn Marino #define	LPS_NBSY		0x80	/* 11  printer busy */
6086d7f5d3SJohn Marino 
6186d7f5d3SJohn Marino #define	LPC_STB			0x01	/*  1  strobe data to printer */
6286d7f5d3SJohn Marino #define	LPC_AUTOL		0x02	/* 14  automatic linefeed */
6386d7f5d3SJohn Marino #define	LPC_NINIT		0x04	/* 16  initialize printer */
6486d7f5d3SJohn Marino #define	LPC_SEL			0x08	/* 17  printer selected */
6586d7f5d3SJohn Marino #define	LPC_ENA			0x10	/*  -  enable IRQ */
6686d7f5d3SJohn Marino 
6786d7f5d3SJohn Marino #endif
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