1/*	$NetBSD: cons.h,v 1.3 2005/12/11 12:19:16 christos Exp $	*/
2
3/*-
4 * Copyright (c) 2000 Eduardo E. Horvath
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 *    derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31/*
32 * PROM console driver.
33 *
34 * This is the default fallback console driver if nothing else attaches.
35 */
36
37struct pconssoftc {
38	struct tty *of_tty;
39	struct callout sc_poll_ch;
40	int of_flags;
41};
42/* flags: */
43#define	OFPOLL		1
44
45#define	OFBURSTLEN	128	/* max number of bytes to write in one chunk */
46
47/* These are shared with the consinit OBP console */
48void pcons_cnpollc(dev_t dev, int on);
49
50struct consdev;
51struct zs_chanstate;
52
53extern void *zs_conschan;
54
55extern void nullcnprobe(struct consdev *);
56
57extern int  zs_getc(void *arg);
58extern void zs_putc(void *arg, int c);
59
60#ifdef	KGDB
61void zs_kgdb_init(void);
62void zskgdb(struct zs_chanstate *);
63void *zs_find_prom(int);
64#endif
65
66/*
67 * PROM I/O nodes and arguments are prepared by consinit().
68 * Drivers can examine these when looking for a console device match.
69 */
70extern int prom_stdin_node;
71extern int prom_stdout_node;
72extern char prom_stdin_args[];
73extern char prom_stdout_args[];
74