1/*	$NetBSD: cons.h,v 1.4 2009/03/14 14:45:58 dsl Exp $	*/
2
3/*
4 * Copyright (c) 1988 University of Utah.
5 * Copyright (c) 1990, 1993
6 *	The Regents of the University of California.  All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * the Systems Programming Group of the University of Utah Computer
10 * Science Department.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 *    notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 *    notice, this list of conditions and the following disclaimer in the
19 *    documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 *    may be used to endorse or promote products derived from this software
22 *    without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * from: Utah $Hdr: cons.h 1.6 92/01/21$
37 *
38 *	@(#)cons.h	8.1 (Berkeley) 6/10/93
39 */
40
41struct consdev {
42	char	*cn_name;	/* console device name */
43	int	address;	/* address */
44	int	speed;		/* speed(serial only) */
45	void	(*cn_probe)	/* probe hardware and fill in consdev info */
46(struct consdev *);
47	void	(*cn_init)	/* turn on as console */
48(struct consdev *);
49	int	(*cn_getc)	/* getchar interface */
50(void *);
51	void	(*cn_putc)	/* putchar interface */
52(void *, int);
53	int	(*cn_scan)	/* scan interface */
54(void *);
55	int	cn_pri;		/* pecking order; the higher the better */
56	void	*cn_dev;	/* device data tag */
57};
58
59/* values for cn_pri - reflect our policy for console selection */
60#define	CN_DEAD		0	/* device doesn't exist */
61#define CN_NORMAL	1	/* device exists but is nothing special */
62#define CN_INTERNAL	2	/* "internal" bit-mapped display */
63#define CN_REMOTE	3	/* serial interface with remote bit set */
64