cons.h revision 1.21
1 /* $NetBSD: cons.h,v 1.21 2003/08/07 16:30:51 agc Exp $ */ 2 3 /* 4 * Copyright (c) 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * the Systems Programming Group of the University of Utah Computer 9 * Science Department. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * from: Utah $Hdr: cons.h 1.6 92/01/21$ 36 * 37 * @(#)cons.h 8.1 (Berkeley) 6/10/93 38 */ 39 40 /* 41 * Copyright (c) 1988 University of Utah. 42 * 43 * This code is derived from software contributed to Berkeley by 44 * the Systems Programming Group of the University of Utah Computer 45 * Science Department. 46 * 47 * Redistribution and use in source and binary forms, with or without 48 * modification, are permitted provided that the following conditions 49 * are met: 50 * 1. Redistributions of source code must retain the above copyright 51 * notice, this list of conditions and the following disclaimer. 52 * 2. Redistributions in binary form must reproduce the above copyright 53 * notice, this list of conditions and the following disclaimer in the 54 * documentation and/or other materials provided with the distribution. 55 * 3. All advertising materials mentioning features or use of this software 56 * must display the following acknowledgement: 57 * This product includes software developed by the University of 58 * California, Berkeley and its contributors. 59 * 4. Neither the name of the University nor the names of its contributors 60 * may be used to endorse or promote products derived from this software 61 * without specific prior written permission. 62 * 63 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 64 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 65 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 66 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 67 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 68 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 69 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 70 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 71 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 72 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 73 * SUCH DAMAGE. 74 * 75 * from: Utah $Hdr: cons.h 1.6 92/01/21$ 76 * 77 * @(#)cons.h 8.1 (Berkeley) 6/10/93 78 */ 79 80 #ifndef _SYS_DEV_CONS_H_ 81 #define _SYS_DEV_CONS_H_ 82 83 struct consdev { 84 void (*cn_probe) /* probe hardware and fill in consdev info */ 85 __P((struct consdev *)); 86 void (*cn_init) /* turn on as console */ 87 __P((struct consdev *)); 88 int (*cn_getc) /* kernel getchar interface */ 89 __P((dev_t)); 90 void (*cn_putc) /* kernel putchar interface */ 91 __P((dev_t, int)); 92 void (*cn_pollc) /* turn on and off polling */ 93 __P((dev_t, int)); 94 void (*cn_bell) /* ring bell */ 95 __P((dev_t, u_int, u_int, u_int)); 96 void (*cn_halt) /* stop device */ 97 __P((dev_t)); 98 void (*cn_flush) /* flush output */ 99 __P((dev_t)); 100 dev_t cn_dev; /* major/minor of device */ 101 int cn_pri; /* pecking order; the higher the better */ 102 }; 103 104 /* values for cn_pri - reflect our policy for console selection */ 105 #define CN_DEAD 0 /* device doesn't exist */ 106 #define CN_NORMAL 1 /* device exists but is nothing special */ 107 #define CN_INTERNAL 2 /* "internal" bit-mapped display */ 108 #define CN_REMOTE 3 /* serial interface with remote bit set */ 109 110 #ifdef _KERNEL 111 112 extern struct consdev constab[]; 113 extern struct consdev *cn_tab; 114 115 void cninit __P((void)); 116 int cngetc __P((void)); 117 int cngetsn __P((char *, int)); 118 void cnputc __P((int)); 119 void cnpollc __P((int)); 120 void cnbell __P((u_int, u_int, u_int)); 121 void cnflush __P((void)); 122 void cnhalt __P((void)); 123 void cnrint __P((void)); 124 void nullcnpollc __P((dev_t, int)); 125 126 /* console-specific types */ 127 #define dev_type_cnprobe(n) void n __P((struct consdev *)) 128 #define dev_type_cninit(n) void n __P((struct consdev *)) 129 #define dev_type_cngetc(n) int n __P((dev_t)) 130 #define dev_type_cnputc(n) void n __P((dev_t, int)) 131 #define dev_type_cnpollc(n) void n __P((dev_t, int)) 132 #define dev_type_cnbell(n) void n __P((dev_t, u_int, u_int, u_int)); 133 #define dev_type_cnhalt(n) void n __P((dev_t)) 134 #define dev_type_cnflush(n) void n __P((dev_t)) 135 136 #define dev_decl(n,t) __CONCAT(dev_type_,t)(__CONCAT(n,t)) 137 #define dev_init(n,t) __CONCAT(n,t) 138 139 #define cons_decl(n) \ 140 dev_decl(n,cnprobe); dev_decl(n,cninit); dev_decl(n,cngetc); \ 141 dev_decl(n,cnputc); dev_decl(n,cnpollc); dev_decl(n,cnbell); \ 142 dev_decl(n,cnflush); dev_decl(n,cnhalt); 143 144 #define cons_init(n) { \ 145 dev_init(n,cnprobe), dev_init(n,cninit), dev_init(n,cngetc), \ 146 dev_init(n,cnputc), dev_init(n,cnpollc) } 147 148 #define cons_init_bell(n) { \ 149 dev_init(n,cnprobe), dev_init(n,cninit), dev_init(n,cngetc), \ 150 dev_init(n,cnputc), dev_init(n,cnpollc), dev_init(n,cnbell) } 151 152 #define cons_init_halt(n) { \ 153 dev_init(n,cnprobe), dev_init(n,cninit), dev_init(n,cngetc), \ 154 dev_init(n,cnputc), dev_init(n,cnpollc), 0, \ 155 dev_init(n,cnhalt) } 156 157 #endif 158 159 #endif /* _SYS_DEV_CONS_H_ */ 160
Indexes created Thu Sep 25 16:09:42 GMT 2025