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cons.h revision 1.5 
      1  1.5  rmind /*	$NetBSD: cons.h,v 1.5 2011/02/08 20:20:11 rmind Exp $	*/
      2  1.1    cdi 
      3  1.1    cdi /*
      4  1.5  rmind  * Copyright (c) 1988 University of Utah.
      5  1.1    cdi  * Copyright (c) 1990, 1993
      6  1.1    cdi  *	The Regents of the University of California.  All rights reserved.
      7  1.2    agc  *
      8  1.2    agc  * This code is derived from software contributed to Berkeley by
      9  1.2    agc  * the Systems Programming Group of the University of Utah Computer
     10  1.2    agc  * Science Department.
     11  1.2    agc  *
     12  1.2    agc  * Redistribution and use in source and binary forms, with or without
     13  1.2    agc  * modification, are permitted provided that the following conditions
     14  1.2    agc  * are met:
     15  1.2    agc  * 1. Redistributions of source code must retain the above copyright
     16  1.2    agc  *    notice, this list of conditions and the following disclaimer.
     17  1.2    agc  * 2. Redistributions in binary form must reproduce the above copyright
     18  1.2    agc  *    notice, this list of conditions and the following disclaimer in the
     19  1.2    agc  *    documentation and/or other materials provided with the distribution.
     20  1.2    agc  * 3. Neither the name of the University nor the names of its contributors
     21  1.2    agc  *    may be used to endorse or promote products derived from this software
     22  1.2    agc  *    without specific prior written permission.
     23  1.2    agc  *
     24  1.2    agc  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     25  1.2    agc  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26  1.2    agc  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27  1.2    agc  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28  1.2    agc  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29  1.2    agc  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30  1.2    agc  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31  1.2    agc  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32  1.2    agc  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33  1.2    agc  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34  1.2    agc  * SUCH DAMAGE.
     35  1.2    agc  *
     36  1.2    agc  * from: Utah $Hdr: cons.h 1.6 92/01/21$
     37  1.2    agc  *
     38  1.2    agc  *	@(#)cons.h	8.1 (Berkeley) 6/10/93
     39  1.2    agc  */
     40  1.1    cdi 
     41  1.1    cdi struct consdev {
     42  1.1    cdi 	char	*cn_name;	/* console device name */
     43  1.1    cdi 	int	address;	/* address */
     44  1.1    cdi 	int	speed;		/* speed(serial only) */
     45  1.1    cdi 	void	(*cn_probe)	/* probe hardware and fill in consdev info */
     46  1.4    dsl (struct consdev *);
     47  1.1    cdi 	void	(*cn_init)	/* turn on as console */
     48  1.4    dsl (struct consdev *);
     49  1.1    cdi 	int	(*cn_getc)	/* getchar interface */
     50  1.4    dsl (void *);
     51  1.1    cdi 	void	(*cn_putc)	/* putchar interface */
     52  1.4    dsl (void *, int);
     53  1.1    cdi 	int	(*cn_scan)	/* scan interface */
     54  1.4    dsl (void *);
     55  1.1    cdi 	int	cn_pri;		/* pecking order; the higher the better */
     56  1.1    cdi 	void	*cn_dev;	/* device data tag */
     57  1.1    cdi };
     58  1.1    cdi 
     59  1.1    cdi /* values for cn_pri - reflect our policy for console selection */
     60  1.1    cdi #define	CN_DEAD		0	/* device doesn't exist */
     61  1.1    cdi #define CN_NORMAL	1	/* device exists but is nothing special */
     62  1.1    cdi #define CN_INTERNAL	2	/* "internal" bit-mapped display */
     63  1.1    cdi #define CN_REMOTE	3	/* serial interface with remote bit set */
     64