1 /* $NetBSD: cons.h,v 1.8 2011/02/08 20:20:10 rmind 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. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * from: Utah $Hdr: cons.h 1.6 92/01/21$ 37 * 38 * @(#)cons.h 8.1 (Berkeley) 6/10/93 39 */ 40 41 struct consdev { 42 char *cn_name; /* console device name */ 43 int address; /* address */ 44 int speed; /* speed(serial only) */ 45 void (*cn_probe) /* probe hardware and fill in consdev info */ 46 (struct consdev *); 47 void (*cn_init) /* turn on as console */ 48 (struct consdev *); 49 int (*cn_getc) /* getchar interface */ 50 (void *); 51 void (*cn_putc) /* putchar interface */ 52 (void *, int); 53 int (*cn_scan) /* scan interface */ 54 (void *); 55 int cn_pri; /* pecking order; the higher the better */ 56 void *cn_dev; /* device data tag */ 57 }; 58 59 /* values for cn_pri - reflect our policy for console selection */ 60 #define CN_DEAD 0 /* device doesn't exist */ 61 #define CN_NORMAL 1 /* device exists but is nothing special */ 62 #define CN_INTERNAL 2 /* "internal" bit-mapped display */ 63 #define CN_REMOTE 3 /* serial interface with remote bit set */ 64