cons.c revision 1.2
1 /* $NetBSD: cons.c,v 1.2 2003/08/07 16:29:21 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.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 <lib/libsa/stand.h> 80 81 #include "boot.h" 82 #include "cons.h" 83 84 #ifdef CONS_FB 85 void fbcnprobe __P((struct consdev *)); 86 void fbcninit __P((struct consdev *)); 87 void fbcnputchar __P((void *, int)); 88 int fbcngetchar __P((void *)); 89 int fbcnscan __P((void *)); 90 #endif 91 92 #ifdef CONS_VGA 93 void vgacnprobe __P((struct consdev *)); 94 void vgacninit __P((struct consdev *)); 95 void vgacnputchar __P((void *, int)); 96 int vgacngetchar __P((void *)); 97 int vgacnscan __P((void *)); 98 #endif 99 100 #ifdef CONS_SERIAL 101 void siocnprobe __P((struct consdev *)); 102 void siocninit __P((struct consdev *)); 103 void siocnputchar __P((void *, int)); 104 int siocngetchar __P((void *)); 105 int siocnscan __P((void *)); 106 # include "ns16550.h" 107 # ifndef COMPORT 108 # define COMPORT COM1 109 # endif 110 # ifndef COMSPEED 111 # define COMSPEED 9600 112 # endif 113 #endif 114 115 struct consdev constab[] = { 116 #ifdef CONS_FB 117 { "fb", 0xc0800000, 0, 118 fbcnprobe, fbcninit, fbcngetchar, fbcnputchar, fbcnscan }, 119 #endif 120 #ifdef CONS_VGA 121 { "vga", 0xc0000000, 0, 122 vgacnprobe, vgacninit, vgacngetchar, vgacnputchar, vgacnscan }, 123 #endif 124 #ifdef CONS_SERIAL 125 { "com", COMPORT, COMSPEED, 126 siocnprobe, siocninit, siocngetchar, siocnputchar, siocnscan }, 127 #endif 128 { 0 } 129 }; 130 131 struct consdev *cn_tab; 132 133 char * 134 cninit(addr, speed) 135 int *addr; 136 int *speed; 137 { 138 register struct consdev *cp; 139 140 cn_tab = NULL; 141 for (cp = constab; cp->cn_probe; cp++) { 142 (*cp->cn_probe)(cp); 143 if (cp->cn_pri > CN_DEAD && 144 (cn_tab == NULL || cp->cn_pri > cn_tab->cn_pri)) 145 cn_tab = cp; 146 } 147 if (cn_tab) { 148 (*cn_tab->cn_init)(cn_tab); 149 *addr = cn_tab->address; 150 *speed = cn_tab->speed; 151 return (cn_tab->cn_name); 152 } 153 154 return (NULL); 155 } 156 157 int 158 cngetc() 159 { 160 161 if (cn_tab) 162 return ((*cn_tab->cn_getc)(cn_tab->cn_dev)); 163 return (0); 164 } 165 166 void 167 cnputc(c) 168 int c; 169 { 170 171 if (cn_tab) 172 (*cn_tab->cn_putc)(cn_tab->cn_dev, c); 173 } 174 175 int 176 cnscan() 177 { 178 179 if (cn_tab) 180 return ((*cn_tab->cn_scan)(cn_tab->cn_dev)); 181 return (0); 182 } 183 184 #ifdef CONS_FB 185 /* 186 * frame buffer console 187 */ 188 void 189 fbcnprobe(cp) 190 struct consdev *cp; 191 { 192 193 cp->cn_pri = CN_INTERNAL; 194 } 195 196 void 197 fbcninit(cp) 198 struct consdev *cp; 199 { 200 201 video_init((u_char *)cp->address); 202 kbdreset(); 203 } 204 205 int 206 fbcngetchar(dev) 207 void *dev; 208 { 209 210 return (kbd_getc()); 211 } 212 213 void 214 fbcnputchar(dev, c) 215 void *dev; 216 register int c; 217 { 218 219 video_putc(c); 220 } 221 222 int 223 fbcnscan(dev) 224 void *dev; 225 { 226 227 return (kbd(1)); 228 } 229 #endif /* CONS_FB */ 230 231 #ifdef CONS_VGA 232 /* 233 * VGA console 234 */ 235 void 236 vgacnprobe(cp) 237 struct consdev *cp; 238 { 239 cp->cn_pri = CN_NORMAL; 240 } 241 242 void 243 vgacninit(cp) 244 struct consdev *cp; 245 { 246 247 vga_reset((u_char *)cp->address); 248 vga_init((u_char *)cp->address); 249 kbdreset(); 250 } 251 252 int 253 vgacngetchar(dev) 254 void *dev; 255 { 256 257 return (kbd_getc()); 258 } 259 260 void 261 vgacnputchar(dev, c) 262 void *dev; 263 register int c; 264 { 265 266 vga_putc(c); 267 } 268 269 int 270 vgacnscan(dev) 271 void *dev; 272 { 273 274 return (kbd(1)); 275 } 276 #endif /* CONS_VGA */ 277 278 #ifdef CONS_SERIAL 279 /* 280 * serial console 281 */ 282 void 283 siocnprobe(cp) 284 struct consdev *cp; 285 { 286 287 cp->cn_pri = CN_REMOTE; 288 } 289 290 void 291 siocninit(cp) 292 struct consdev *cp; 293 { 294 295 cp->cn_dev = (void *)NS16550_init(cp->address, cp->speed); 296 } 297 298 int 299 siocngetchar(dev) 300 void *dev; 301 { 302 303 return (NS16550_getc((struct NS16550 *)dev)); 304 } 305 306 void 307 siocnputchar(dev, c) 308 void *dev; 309 register int c; 310 { 311 312 if (c == '\n') 313 NS16550_putc((struct NS16550 *)dev, '\r'); 314 NS16550_putc((struct NS16550 *)dev, c); 315 } 316 317 int 318 siocnscan(dev) 319 void *dev; 320 { 321 322 return (NS16550_scankbd((struct NS16550 *)dev)); 323 } 324 #endif /* CONS_SERIAL */ 325
Indexes created Mon Sep 29 18:09:42 GMT 2025