1 /* $NetBSD: cons.h,v 1.1 2000/02/29 15:21:49 nonaka Exp $ */ 2 3 /* 4 * Copyright (c) 1988 University of Utah. 5 * Copyright (c) 1990, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * the Systems Programming Group of the University of Utah Computer 10 * Science Department. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * from: Utah $Hdr: cons.h 1.6 92/01/21$ 41 * 42 * @(#)cons.h 8.1 (Berkeley) 6/10/93 43 */ 44 45 struct consdev { 46 char *cn_name; /* console device name */ 47 int address; /* address */ 48 int speed; /* speed(serial only) */ 49 void (*cn_probe) /* probe hardware and fill in consdev info */ 50 __P((struct consdev *)); 51 void (*cn_init) /* turn on as console */ 52 __P((struct consdev *)); 53 int (*cn_getc) /* getchar interface */ 54 __P((void *)); 55 void (*cn_putc) /* putchar interface */ 56 __P((void *, int)); 57 int (*cn_scan) /* scan interface */ 58 __P((void *)); 59 int cn_pri; /* pecking order; the higher the better */ 60 void *cn_dev; /* device data tag */ 61 }; 62 63 /* values for cn_pri - reflect our policy for console selection */ 64 #define CN_DEAD 0 /* device doesn't exist */ 65 #define CN_NORMAL 1 /* device exists but is nothing special */ 66 #define CN_INTERNAL 2 /* "internal" bit-mapped display */ 67 #define CN_REMOTE 3 /* serial interface with remote bit set */ 68