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/*- * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * William Jolitz. * * Copyright (c) 1997, 1999 Nicolas Souchu * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. * * Distantly from : * @(#)lptreg.h 1.1 (Berkeley) 12/19/90 * Id: lptreg.h,v 1.6 1997/02/22 09:36:52 peter Exp * From Id: nlpt.h,v 1.3 1999/01/10 12:04:54 nsouch Exp * * $FreeBSD: release/9.1.0/sys/dev/ppbus/lpt.h 185003 2008-11-16 17:42:02Z jhb $ */ /* * AT Parallel Port (for lineprinter) * Interface port and bit definitions * Written by William Jolitz 12/18/90 * Copyright (C) William Jolitz 1990 */ #ifndef __LPT_H #define __LPT_H /* machine independent definitions, it shall only depend on the ppbus * parallel port model */ /* PIN */ #define LPS_NERR 0x08 /* 15 printer no error */ #define LPS_SEL 0x10 /* 13 printer selected */ #define LPS_OUT 0x20 /* 12 printer out of paper */ #define LPS_NACK 0x40 /* 10 printer no ack of data */ #define LPS_NBSY 0x80 /* 11 printer busy */ #define LPC_STB 0x01 /* 1 strobe data to printer */ #define LPC_AUTOL 0x02 /* 14 automatic linefeed */ #define LPC_NINIT 0x04 /* 16 initialize printer */ #define LPC_SEL 0x08 /* 17 printer selected */ #define LPC_ENA 0x10 /* - enable IRQ */ #endif