2 * Copyright (c) 1997 Nicolas Souchu
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * @(#)lptreg.h 1.1 (Berkeley) 12/19/90
28 * Id: lptreg.h,v 1.6 1997/02/22 09:36:52 peter Exp
29 * From Id: nlpt.h,v 1.3 1999/01/10 12:04:54 nsouch Exp
36 #define LPS_NERR 0x08 /* printer no error */
37 #define LPS_SEL 0x10 /* printer selected */
38 #define LPS_OUT 0x20 /* printer out of paper */
39 #define LPS_NACK 0x40 /* printer no ack of data */
40 #define LPS_NBSY 0x80 /* printer no ack of data */
42 #define LPC_STB 0x01 /* strobe data to printer */
43 #define LPC_AUTOL 0x02 /* automatic linefeed */
44 #define LPC_NINIT 0x04 /* initialize printer */
45 #define LPC_SEL 0x08 /* printer selected */
46 #define LPC_ENA 0x10 /* enable IRQ */
49 unsigned short lpt_unit;
51 struct ppb_device lpt_dev;
54 /* default case: negative prime, negative ack, handshake strobe,
58 #define LP_POS_INIT 0x04 /* if we are a postive init signal */
59 #define LP_POS_ACK 0x08 /* if we are a positive going ack */
60 #define LP_NO_PRIME 0x10 /* don't prime the printer at all */
61 #define LP_PRIMEOPEN 0x20 /* prime on every open */
62 #define LP_AUTOLF 0x40 /* tell printer to do an automatic lf */
63 #define LP_BYPASS 0x80 /* bypass printer ready checks */
65 struct buf *sc_statbuf;
69 u_short sc_irq ; /* IRQ status of port */
70 #define LP_HAS_IRQ 0x01 /* we have an irq available */
71 #define LP_USE_IRQ 0x02 /* we are using our irq */
72 #define LP_ENABLE_IRQ 0x04 /* enable IRQ on open */
73 #define LP_ENABLE_EXT 0x10 /* we shall use advanced mode when possible */
74 u_char sc_backoff ; /* time to call lptout() again */
78 void *devfs_token_ctl;