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