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      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