cons.c revision 1.2
1 /* $NetBSD: cons.c,v 1.2 2003/08/07 16:27:18 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_SERIAL 85 void siocnprobe __P((struct consdev *)); 86 void siocninit __P((struct consdev *)); 87 void siocnputchar __P((void *, int)); 88 int siocngetchar __P((void *)); 89 int siocnscan __P((void *)); 90 # include "ns16550.h" 91 # ifndef COMPORT 92 # define COMPORT COM1 93 # endif 94 # ifndef COMSPEED 95 # define COMSPEED 9600 96 # endif 97 #endif 98 99 struct consdev constab[] = { 100 #ifdef CONS_SERIAL 101 { "com", COMPORT, COMSPEED, 102 siocnprobe, siocninit, siocngetchar, siocnputchar, siocnscan }, 103 #endif 104 { 0 } 105 }; 106 107 struct consdev *cn_tab; 108 109 char * 110 cninit(addr, speed) 111 int *addr; 112 int *speed; 113 { 114 register struct consdev *cp; 115 116 cn_tab = NULL; 117 for (cp = constab; cp->cn_probe; cp++) { 118 (*cp->cn_probe)(cp); 119 if (cp->cn_pri > CN_DEAD && 120 (cn_tab == NULL || cp->cn_pri > cn_tab->cn_pri)) 121 cn_tab = cp; 122 } 123 if (cn_tab) { 124 (*cn_tab->cn_init)(cn_tab); 125 *addr = cn_tab->address; 126 *speed = cn_tab->speed; 127 return (cn_tab->cn_name); 128 } 129 130 return (NULL); 131 } 132 133 int 134 cngetc() 135 { 136 137 if (cn_tab) 138 return ((*cn_tab->cn_getc)(cn_tab->cn_dev)); 139 return (0); 140 } 141 142 void 143 cnputc(c) 144 int c; 145 { 146 147 if (cn_tab) 148 (*cn_tab->cn_putc)(cn_tab->cn_dev, c); 149 } 150 151 int 152 cnscan() 153 { 154 155 if (cn_tab) 156 return ((*cn_tab->cn_scan)(cn_tab->cn_dev)); 157 return (0); 158 } 159 160 #ifdef CONS_FB 161 /* 162 * frame buffer console 163 */ 164 void 165 fbcnprobe(cp) 166 struct consdev *cp; 167 { 168 169 cp->cn_pri = CN_INTERNAL; 170 } 171 172 void 173 fbcninit(cp) 174 struct consdev *cp; 175 { 176 177 video_init((u_char *)cp->address); 178 kbdreset(); 179 } 180 181 int 182 fbcngetchar(dev) 183 void *dev; 184 { 185 186 return (kbd_getc()); 187 } 188 189 void 190 fbcnputchar(dev, c) 191 void *dev; 192 register int c; 193 { 194 195 video_putc(c); 196 } 197 198 int 199 fbcnscan(dev) 200 void *dev; 201 { 202 203 return (kbd(1)); 204 } 205 #endif /* CONS_FB */ 206 207 #ifdef CONS_VGA 208 /* 209 * VGA console 210 */ 211 void 212 vgacnprobe(cp) 213 struct consdev *cp; 214 { 215 cp->cn_pri = CN_NORMAL; 216 } 217 218 void 219 vgacninit(cp) 220 struct consdev *cp; 221 { 222 223 vga_reset((u_char *)cp->address); 224 vga_init((u_char *)cp->address); 225 kbdreset(); 226 } 227 228 int 229 vgacngetchar(dev) 230 void *dev; 231 { 232 233 return (kbd_getc()); 234 } 235 236 void 237 vgacnputchar(dev, c) 238 void *dev; 239 register int c; 240 { 241 242 vga_putc(c); 243 } 244 245 int 246 vgacnscan(dev) 247 void *dev; 248 { 249 250 return (kbd(1)); 251 } 252 #endif /* CONS_VGA */ 253 254 #ifdef CONS_SERIAL 255 /* 256 * serial console 257 */ 258 void 259 siocnprobe(cp) 260 struct consdev *cp; 261 { 262 if (*((unsigned long *)COMPROBE) != 0) 263 cp->cn_pri = CN_REMOTE; 264 } 265 266 void 267 siocninit(cp) 268 struct consdev *cp; 269 { 270 271 cp->cn_dev = (void *)NS16550_init(cp->address, cp->speed); 272 } 273 274 int 275 siocngetchar(dev) 276 void *dev; 277 { 278 279 return (NS16550_getc((struct NS16550 *)dev)); 280 } 281 282 void 283 siocnputchar(dev, c) 284 void *dev; 285 register int c; 286 { 287 288 if (c == '\n') 289 NS16550_putc((struct NS16550 *)dev, '\r'); 290 NS16550_putc((struct NS16550 *)dev, c); 291 } 292 293 int 294 siocnscan(dev) 295 void *dev; 296 { 297 298 return (NS16550_scankbd((struct NS16550 *)dev)); 299 } 300 #endif /* CONS_SERIAL */ 301
Indexes created Thu Oct 02 14:10:14 GMT 2025