/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code 
 * as defined in and that are subject to the Apple Public Source License 
 * Version 2.0 (the 'License'). You may not use this file except in 
 * compliance with the License.  The rights granted to you under the 
 * License may not be used to create, or enable the creation or 
 * redistribution of, unlawful or unlicensed copies of an Apple operating 
 * system, or to circumvent, violate, or enable the circumvention or 
 * violation of, any terms of an Apple operating system software license 
 * agreement.
 *
 * Please obtain a copy of the License at 
 * http://www.opensource.apple.com/apsl/ and read it before using this 
 * file.
 *
 * The Original Code and all software distributed under the License are 
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * Please see the License for the specific language governing rights and 
 * limitations under the License.
 *
 * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
 */
/* 
 * Copyright (c) 1987 NeXT, Inc.
 */
 
struct consdev {
	char	*cn_name;		/* name of device in dev_name_list */
	int	(*cn_probe)(void);	/* probe hardware, fill consdev info */
	int	(*cn_init)(void);	/* turn on as console */
	int	(*cn_getc)(void);	/* kernel getchar interface */
	int	(*cn_putc)(void);	/* kernel putchar interface */
	struct	tty *cn_tp;		/* tty structure for console device */
	dev_t	cn_dev;			/* major/minor of device */
	short	cn_pri;			/* pecking order; higher the better */
};

/* 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 */

/* XXX */
#define	CONSMAJOR	0

#ifdef KERNEL

#include <sys/types.h>

extern	struct consdev constab[];
extern	struct consdev *cn_tab;
extern	struct tty *cn_tty;

extern struct tty	cons;
extern struct tty	*constty;		/* current console device */
#endif

