Annotation of sys/dev/ic/lptreg.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: lptreg.h,v 1.4 2003/06/02 23:28:02 millert Exp $ */
! 2: /* $NetBSD: lptreg.h,v 1.4 1994/10/27 04:17:56 cgd Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 1990 The Regents of the University of California.
! 6: * All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to Berkeley by
! 9: * William Jolitz.
! 10: *
! 11: * Redistribution and use in source and binary forms, with or without
! 12: * modification, are permitted provided that the following conditions
! 13: * are met:
! 14: * 1. Redistributions of source code must retain the above copyright
! 15: * notice, this list of conditions and the following disclaimer.
! 16: * 2. Redistributions in binary form must reproduce the above copyright
! 17: * notice, this list of conditions and the following disclaimer in the
! 18: * documentation and/or other materials provided with the distribution.
! 19: * 3. Neither the name of the University nor the names of its contributors
! 20: * may be used to endorse or promote products derived from this software
! 21: * without specific prior written permission.
! 22: *
! 23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 33: * SUCH DAMAGE.
! 34: *
! 35: * @(#)lptreg.h 1.1 (Berkeley) 12/19/90
! 36: */
! 37:
! 38: /*
! 39: * AT Parallel Port (for lineprinter)
! 40: * Interface port and bit definitions
! 41: * Written by William Jolitz 12/18/90
! 42: * Copyright (C) William Jolitz 1990
! 43: */
! 44:
! 45: #define lpt_data 0 /* Data to/from printer (R/W) */
! 46:
! 47: #define lpt_status 1 /* Status of printer (R) */
! 48: #define LPS_NERR 0x08 /* printer no error */
! 49: #define LPS_SELECT 0x10 /* printer selected */
! 50: #define LPS_NOPAPER 0x20 /* printer out of paper */
! 51: #define LPS_NACK 0x40 /* printer no ack of data */
! 52: #define LPS_NBSY 0x80 /* printer no ack of data */
! 53:
! 54: #define lpt_control 2 /* Control printer (R/W) */
! 55: #define LPC_STROBE 0x01 /* strobe data to printer */
! 56: #define LPC_AUTOLF 0x02 /* automatic linefeed */
! 57: #define LPC_NINIT 0x04 /* initialize printer */
! 58: #define LPC_SELECT 0x08 /* printer selected */
! 59: #define LPC_IENABLE 0x10 /* printer out of paper */
! 60:
! 61: #define LPT_NPORTS 4
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