root/sys/arch/bebox/stand/boot/cons.h
/*      $NetBSD: cons.h,v 1.8 2011/02/08 20:20:10 rmind Exp $   */

/*
 * Copyright (c) 1988 University of Utah.
 * Copyright (c) 1990, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * the Systems Programming Group of the University of Utah Computer
 * Science Department.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * from: Utah $Hdr: cons.h 1.6 92/01/21$
 *
 *      @(#)cons.h      8.1 (Berkeley) 6/10/93
 */

struct consdev {
        char    *cn_name;       /* console device name */
        int     address;        /* address */
        int     speed;          /* speed(serial only) */
        void    (*cn_probe)     /* probe hardware and fill in consdev info */
(struct consdev *);
        void    (*cn_init)      /* turn on as console */
(struct consdev *);
        int     (*cn_getc)      /* getchar interface */
(void *);
        void    (*cn_putc)      /* putchar interface */
(void *, int);
        int     (*cn_scan)      /* scan interface */
(void *);
        int     cn_pri;         /* pecking order; the higher the better */
        void    *cn_dev;        /* device data tag */
};

/* values for cn_pri - reflect our policy for console selection */
#define CN_DEAD         0       /* device doesn't exist */
#define CN_NORMAL       1       /* device exists but is nothing special */
#define CN_INTERNAL     2       /* "internal" bit-mapped display */
#define CN_REMOTE       3       /* serial interface with remote bit set */