1 /* $NetBSD: cons.h,v 1.7 2006/02/13 21:47:11 cdi Exp $ */
4 * Copyright (c) 2000 Eduardo E. Horvath
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
32 * PROM console driver.
34 * This is the default fallback console driver if nothing else attaches.
40 struct callout sc_poll_ch
;
46 #define OFBURSTLEN 128 /* max number of bytes to write in one chunk */
48 void pcons_cnpollc(dev_t
, int);
53 extern void *zs_conschan
;
55 extern void nullcnprobe(struct consdev
*);
57 extern int zs_getc(void *arg
);
58 extern void zs_putc(void *arg
, int c
);
61 * PROM I/O nodes and arguments are prepared by consinit().
62 * Drivers can examine these when looking for a console device match.
64 extern int prom_stdin_node
;
65 extern int prom_stdout_node
;
66 extern char prom_stdin_args
[]; /* not used on sun4u */
67 extern char prom_stdout_args
[]; /* not used on sun4u */