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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