cons.c revision 1.7
1 /* $NetBSD: cons.c,v 1.7 2008/03/16 10:10:43 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 <lib/libsa/stand.h> 80 81 #include "boot.h" 82 #include "cons.h" 83 84 #ifdef CONS_SERIAL 85 void siocnprobe(struct consdev *); 86 void siocninit(struct consdev *); 87 void siocnputchar(void *, int); 88 int siocngetchar(void *); 89 int siocnscan(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 #ifdef CONS_ZS 100 void zscnprobe(struct consdev *); 101 void zscninit(struct consdev *); 102 void zscnputchar(void *, int); 103 int zscngetchar(void *); 104 int zscnscan(void *); 105 #include "zs.h" 106 #ifndef ZSCHAN 107 #define ZSCHAN ZS_CHAN_A 108 #endif 109 #ifndef ZSSPEED 110 #define ZSSPEED 115200 111 #endif 112 #endif 113 114 struct consdev constab[] = { 115 #ifdef CONS_SERIAL 116 { "com", COMPORT, COMSPEED, 117 siocnprobe, siocninit, siocngetchar, siocnputchar, siocnscan }, 118 #endif 119 #ifdef CONS_ZS 120 { "zs", ZSCHAN, ZSSPEED, 121 zscnprobe, zscninit, zscngetchar, zscnputchar, zscnscan }, 122 #endif 123 { 0 } 124 }; 125 126 struct consdev *cn_tab; 127 128 char * 129 cninit(int *addr, int *speed) 130 { 131 register struct consdev *cp; 132 133 cn_tab = NULL; 134 for (cp = constab; cp->cn_probe; cp++) { 135 (*cp->cn_probe)(cp); 136 if (cp->cn_pri > CN_DEAD && 137 (cn_tab == NULL || cp->cn_pri > cn_tab->cn_pri)) 138 cn_tab = cp; 139 } 140 if (cn_tab) { 141 (*cn_tab->cn_init)(cn_tab); 142 *addr = cn_tab->address; 143 *speed = cn_tab->speed; 144 return cn_tab->cn_name; 145 } 146 147 return NULL; 148 } 149 150 int 151 cngetc(void) 152 { 153 154 if (cn_tab) 155 return (*cn_tab->cn_getc)(cn_tab->cn_dev); 156 return 0; 157 } 158 159 void 160 cnputc(int c) 161 { 162 163 if (cn_tab) 164 (*cn_tab->cn_putc)(cn_tab->cn_dev, c); 165 } 166 167 int 168 cnscan(void) 169 { 170 171 if (cn_tab) 172 return (*cn_tab->cn_scan)(cn_tab->cn_dev); 173 return -1; 174 } 175 176 #ifdef CONS_FB 177 /* 178 * frame buffer console 179 */ 180 void 181 fbcnprobe(struct consdev *cp) 182 { 183 184 cp->cn_pri = CN_INTERNAL; 185 } 186 187 void 188 fbcninit(struct consdev *cp) 189 { 190 191 video_init((uint8_t *)cp->address); 192 kbdreset(); 193 } 194 195 int 196 fbcngetchar(void *dev) 197 { 198 199 return kbd_getc(); 200 } 201 202 void 203 fbcnputchar(void *dev, int c) 204 { 205 206 video_putc(c); 207 } 208 209 int 210 fbcnscan(void *dev) 211 { 212 213 return kbd(1); 214 } 215 #endif /* CONS_FB */ 216 217 #ifdef CONS_VGA 218 /* 219 * VGA console 220 */ 221 void 222 vgacnprobe(struct consdev *cp) 223 { 224 225 cp->cn_pri = CN_NORMAL; 226 } 227 228 void 229 vgacninit(struct consdev *cp) 230 { 231 232 vga_reset((uint8_t *)cp->address); 233 vga_init((uint8_t *)cp->address); 234 kbdreset(); 235 } 236 237 int 238 vgacngetchar(void *dev) 239 { 240 241 return kbd_getc(); 242 } 243 244 void 245 vgacnputchar(void *dev, int c) 246 { 247 248 vga_putc(c); 249 } 250 251 int 252 vgacnscan(void *dev) 253 { 254 255 return kbd(1); 256 } 257 #endif /* CONS_VGA */ 258 259 #ifdef CONS_SERIAL 260 /* 261 * serial console 262 */ 263 void 264 siocnprobe(struct consdev *cp) 265 { 266 267 if (*((uint32_t *)COMPROBE) != 0 && 268 cobalt_id != COBALT_ID_QUBE2700) 269 cp->cn_pri = CN_REMOTE; 270 } 271 272 void 273 siocninit(struct consdev *cp) 274 { 275 276 cp->cn_dev = (void *)NS16550_init(cp->address, cp->speed); 277 } 278 279 int 280 siocngetchar(void *dev) 281 { 282 283 return NS16550_getc((struct NS16550 *)dev); 284 } 285 286 void 287 siocnputchar(void *dev, int c) 288 { 289 290 if (c == '\n') 291 NS16550_putc((struct NS16550 *)dev, '\r'); 292 NS16550_putc((struct NS16550 *)dev, c); 293 } 294 295 int 296 siocnscan(void *dev) 297 { 298 299 return NS16550_scankbd((struct NS16550 *)dev); 300 } 301 #endif /* CONS_SERIAL */ 302 303 #ifdef CONS_ZS 304 /* 305 * optional z85c30 serial console on Qube2700 306 */ 307 void 308 zscnprobe(struct consdev *cp) 309 { 310 311 if (*((uint32_t *)ZSPROBE) != 0 && 312 cobalt_id == COBALT_ID_QUBE2700) 313 cp->cn_pri = CN_REMOTE; 314 } 315 316 void 317 zscninit(struct consdev *cp) 318 { 319 320 cp->cn_dev = zs_init(cp->address, cp->speed); 321 } 322 323 int 324 zscngetchar(void *dev) 325 { 326 327 return zs_getc(dev); 328 } 329 330 void 331 zscnputchar(void *dev, int c) 332 { 333 334 if (c == '\n') 335 zs_putc(dev, '\r'); 336 zs_putc(dev, c); 337 } 338 339 int 340 zscnscan(void *dev) 341 { 342 343 return zs_scan(dev); 344 } 345 #endif /* CONS_ZS */ 346
Indexes created Thu Oct 02 14:10:14 GMT 2025