1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/*-
* 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
*
* $FreeBSD$
*/
/*
* 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
|
