cons.c revision 1.8
1 /* $NetBSD: cons.c,v 1.8 2008/03/01 05:21:50 tsutsui 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.c 1.7 92/02/28 36 * 37 * @(#)cons.c 8.1 (Berkeley) 6/10/93 38 */ 39 /* 40 * Copyright (c) 1988 University of Utah. 41 * 42 * This code is derived from software contributed to Berkeley by 43 * the Systems Programming Group of the University of Utah Computer 44 * Science Department. 45 * 46 * Redistribution and use in source and binary forms, with or without 47 * modification, are permitted provided that the following conditions 48 * are met: 49 * 1. Redistributions of source code must retain the above copyright 50 * notice, this list of conditions and the following disclaimer. 51 * 2. Redistributions in binary form must reproduce the above copyright 52 * notice, this list of conditions and the following disclaimer in the 53 * documentation and/or other materials provided with the distribution. 54 * 3. All advertising materials mentioning features or use of this software 55 * must display the following acknowledgement: 56 * This product includes software developed by the University of 57 * California, Berkeley and its contributors. 58 * 4. Neither the name of the University nor the names of its contributors 59 * may be used to endorse or promote products derived from this software 60 * without specific prior written permission. 61 * 62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 65 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 72 * SUCH DAMAGE. 73 * 74 * from: Utah Hdr: cons.c 1.7 92/02/28 75 * 76 * @(#)cons.c 8.1 (Berkeley) 6/10/93 77 */ 78 79 #include <sys/param.h> 80 #include "boot.h" 81 #include "cons.h" 82 83 #ifdef CONS_BE 84 void becnprobe(), becninit(), becnputchar(); 85 int becngetchar(), becnscan(); 86 #endif 87 88 #ifdef CONS_VGA 89 void vgacnprobe(), vgacninit(), vgacnputchar(); 90 int vgacngetchar(), vgacnscan(); 91 #endif 92 93 #ifdef CONS_SERIAL 94 void siocnprobe(), siocninit(), siocnputchar(); 95 int siocngetchar(), siocnscan(); 96 # include "ns16550.h" 97 # ifndef COMPORT 98 # define COMPORT COM1 99 # endif 100 # ifndef COMSPEED 101 # define COMSPEED 9600 102 # endif 103 #endif 104 105 struct consdev constab[] = { 106 #ifdef CONS_BE 107 { "be", 0xd0000000, 0, 108 becnprobe, becninit, becngetchar, becnputchar, becnscan }, 109 #endif 110 #ifdef CONS_VGA 111 { "vga", 0xc0000000, 0, 112 vgacnprobe, vgacninit, vgacngetchar, vgacnputchar, vgacnscan }, 113 #endif 114 #ifdef CONS_SERIAL 115 { "com", COMPORT, COMSPEED, 116 siocnprobe, siocninit, siocngetchar, siocnputchar, siocnscan }, 117 #endif 118 { 0 } 119 }; 120 121 struct consdev *cn_tab; 122 123 char * 124 cninit(addr, speed) 125 int *addr; 126 int *speed; 127 { 128 register struct consdev *cp; 129 130 cn_tab = NULL; 131 for (cp = constab; cp->cn_probe; cp++) { 132 (*cp->cn_probe)(cp); 133 if (cp->cn_pri > CN_DEAD && 134 (cn_tab == NULL || cp->cn_pri > cn_tab->cn_pri)) 135 cn_tab = cp; 136 } 137 if (cn_tab) { 138 (*cn_tab->cn_init)(cn_tab); 139 *addr = cn_tab->address; 140 *speed = cn_tab->speed; 141 return (cn_tab->cn_name); 142 } 143 144 return (NULL); 145 } 146 147 int 148 cngetc() 149 { 150 if (cn_tab) 151 return ((*cn_tab->cn_getc)(cn_tab->cn_dev)); 152 return (0); 153 } 154 155 void 156 cnputc(c) 157 int c; 158 { 159 if (cn_tab) 160 (*cn_tab->cn_putc)(cn_tab->cn_dev, c); 161 } 162 163 int 164 cnscan() 165 { 166 if (cn_tab) 167 return ((*cn_tab->cn_scan)(cn_tab->cn_dev)); 168 return -1; 169 } 170 171 #ifdef CONS_BE 172 /* 173 * BeBox default console 174 */ 175 void 176 becnprobe(cp) 177 struct consdev *cp; 178 { 179 cp->cn_pri = CN_INTERNAL; 180 } 181 182 void 183 becninit(cp) 184 struct consdev *cp; 185 { 186 video_init((u_char *)cp->address); 187 kbdreset(); 188 } 189 190 int 191 becngetchar(dev) 192 void *dev; 193 { 194 return (kbd_getc()); 195 } 196 197 void 198 becnputchar(dev, c) 199 void *dev; 200 register int c; 201 { 202 video_putc(c); 203 } 204 205 int 206 becnscan(dev) 207 void *dev; 208 { 209 return (kbd(1)); 210 } 211 #endif /* CONS_VGA */ 212 213 #ifdef CONS_VGA 214 /* 215 * VGA console 216 */ 217 void 218 vgacnprobe(cp) 219 struct consdev *cp; 220 { 221 cp->cn_pri = CN_NORMAL; 222 } 223 224 void 225 vgacninit(cp) 226 struct consdev *cp; 227 { 228 vga_reset((u_char *)cp->address); 229 vga_init((u_char *)cp->address); 230 kbdreset(); 231 } 232 233 int 234 vgacngetchar(dev) 235 void *dev; 236 { 237 return (kbd_getc()); 238 } 239 240 void 241 vgacnputchar(dev, c) 242 void *dev; 243 register int c; 244 { 245 vga_putc(c); 246 } 247 248 int 249 vgacnscan(dev) 250 void *dev; 251 { 252 return (kbd(1)); 253 } 254 #endif /* CONS_VGA */ 255 256 #ifdef CONS_SERIAL 257 /* 258 * serial console 259 */ 260 void 261 siocnprobe(cp) 262 struct consdev *cp; 263 { 264 cp->cn_pri = CN_REMOTE; 265 } 266 267 void 268 siocninit(cp) 269 struct consdev *cp; 270 { 271 cp->cn_dev = (void *)NS16550_init(cp->address, cp->speed); 272 } 273 274 int 275 siocngetchar(dev) 276 void *dev; 277 { 278 return (NS16550_getc((struct NS16550 *)dev)); 279 } 280 281 void 282 siocnputchar(dev, c) 283 void *dev; 284 register int c; 285 { 286 if (c == '\n') 287 NS16550_putc((struct NS16550 *)dev, '\r'); 288 NS16550_putc((struct NS16550 *)dev, c); 289 } 290 291 int 292 siocnscan(dev, cp) 293 void *dev; 294 struct consdev *cp; 295 { 296 return (NS16550_scankbd((struct NS16550 *)dev)); 297 } 298 #endif /* CONS_SERIAL */ 299
Indexes created Mon Sep 29 03:10:08 GMT 2025