/*      $NetBSD: cons.h,v 1.2 2011/02/08 20:20:23 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 */