xref: /netbsd-src/sys/arch/sgimips/stand/common/iris_cons.h (revision d02e022db788ed4933c5904d9d6ce3af08f11fee)
1 /*	$NetBSD: iris_cons.h,v 1.1 2019/01/12 16:44:47 tsutsui Exp $	*/
2 
3 /*
4  * Copyright (c) 2018 Naruaki Etomi
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  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 /*
29  * Silicon Graphics "IRIS" series MIPS processors machine bootloader.
30  */
31 
32 struct consdev {
33 	char	*cn_name;	/* console device name */
34 	int	address;	/* address */
35 	int	speed;		/* speed(serial only) */
36 	void	(*cn_probe)	/* probe hardware and fill in consdev info */
37 		    (struct consdev *);
38 	void	(*cn_init)	/* turn on as console */
39 		    (struct consdev *);
40 	int	(*cn_getc)	/* getchar interface */
41 		    (void *);
42 	void	(*cn_putc)	/* putchar interface */
43 		    (void *, int);
44 	int	(*cn_scan)	/* scan interface */
45 		    (void *);
46 	int	cn_pri;		/* pecking order; the higher the better */
47 	void	*cn_dev;	/* device data tag */
48 };
49 
50 /* values for cn_pri - reflect our policy for console selection */
51 #define CN_DEAD		0	/* device doesn't exist */
52 #define CN_NORMAL	1	/* device exists but is nothing special */
53 #define CN_INTERNAL	2	/* "internal" bit-mapped display */
54 #define CN_REMOTE	3	/* serial interface with remote bit set */
55