Screen.c revision 6747b715
1/* 2 * 3 * Copyright (c) 1997 Metro Link Incorporated 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in 13 * all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 19 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF 20 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 * SOFTWARE. 22 * 23 * Except as contained in this notice, the name of the Metro Link shall not be 24 * used in advertising or otherwise to promote the sale, use or other dealings 25 * in this Software without prior written authorization from Metro Link. 26 * 27 */ 28/* 29 * Copyright (c) 1997-2003 by The XFree86 Project, Inc. 30 * 31 * Permission is hereby granted, free of charge, to any person obtaining a 32 * copy of this software and associated documentation files (the "Software"), 33 * to deal in the Software without restriction, including without limitation 34 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 35 * and/or sell copies of the Software, and to permit persons to whom the 36 * Software is furnished to do so, subject to the following conditions: 37 * 38 * The above copyright notice and this permission notice shall be included in 39 * all copies or substantial portions of the Software. 40 * 41 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 42 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 43 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 44 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 45 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 46 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 47 * OTHER DEALINGS IN THE SOFTWARE. 48 * 49 * Except as contained in this notice, the name of the copyright holder(s) 50 * and author(s) shall not be used in advertising or otherwise to promote 51 * the sale, use or other dealings in this Software without prior written 52 * authorization from the copyright holder(s) and author(s). 53 */ 54 55 56/* View/edit this file with tab stops set to 4 */ 57 58#ifdef HAVE_XORG_CONFIG_H 59#include <xorg-config.h> 60#endif 61 62#include "xf86Parser.h" 63#include "xf86tokens.h" 64#include "Configint.h" 65 66extern LexRec val; 67 68static xf86ConfigSymTabRec DisplayTab[] = 69{ 70 {ENDSUBSECTION, "endsubsection"}, 71 {MODES, "modes"}, 72 {VIEWPORT, "viewport"}, 73 {VIRTUAL, "virtual"}, 74 {VISUAL, "visual"}, 75 {BLACK_TOK, "black"}, 76 {WHITE_TOK, "white"}, 77 {DEPTH, "depth"}, 78 {BPP, "fbbpp"}, 79 {WEIGHT, "weight"}, 80 {OPTION, "option"}, 81 {-1, ""}, 82}; 83 84#define CLEANUP xf86freeDisplayList 85 86static XF86ConfDisplayPtr 87xf86parseDisplaySubSection (void) 88{ 89 int token; 90 parsePrologue (XF86ConfDisplayPtr, XF86ConfDisplayRec) 91 92 ptr->disp_black.red = ptr->disp_black.green = ptr->disp_black.blue = -1; 93 ptr->disp_white.red = ptr->disp_white.green = ptr->disp_white.blue = -1; 94 ptr->disp_frameX0 = ptr->disp_frameY0 = -1; 95 while ((token = xf86getToken (DisplayTab)) != ENDSUBSECTION) 96 { 97 switch (token) 98 { 99 case COMMENT: 100 ptr->disp_comment = xf86addComment(ptr->disp_comment, val.str); 101 break; 102 case VIEWPORT: 103 if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER) 104 Error (VIEWPORT_MSG, NULL); 105 ptr->disp_frameX0 = val.num; 106 if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER) 107 Error (VIEWPORT_MSG, NULL); 108 ptr->disp_frameY0 = val.num; 109 break; 110 case VIRTUAL: 111 if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER) 112 Error (VIRTUAL_MSG, NULL); 113 ptr->disp_virtualX = val.num; 114 if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER) 115 Error (VIRTUAL_MSG, NULL); 116 ptr->disp_virtualY = val.num; 117 break; 118 case DEPTH: 119 if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER) 120 Error (NUMBER_MSG, "Display"); 121 ptr->disp_depth = val.num; 122 break; 123 case BPP: 124 if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER) 125 Error (NUMBER_MSG, "Display"); 126 ptr->disp_bpp = val.num; 127 break; 128 case VISUAL: 129 if (xf86getSubToken (&(ptr->disp_comment)) != STRING) 130 Error (QUOTE_MSG, "Display"); 131 ptr->disp_visual = val.str; 132 break; 133 case WEIGHT: 134 if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER) 135 Error (WEIGHT_MSG, NULL); 136 ptr->disp_weight.red = val.num; 137 if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER) 138 Error (WEIGHT_MSG, NULL); 139 ptr->disp_weight.green = val.num; 140 if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER) 141 Error (WEIGHT_MSG, NULL); 142 ptr->disp_weight.blue = val.num; 143 break; 144 case BLACK_TOK: 145 if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER) 146 Error (BLACK_MSG, NULL); 147 ptr->disp_black.red = val.num; 148 if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER) 149 Error (BLACK_MSG, NULL); 150 ptr->disp_black.green = val.num; 151 if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER) 152 Error (BLACK_MSG, NULL); 153 ptr->disp_black.blue = val.num; 154 break; 155 case WHITE_TOK: 156 if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER) 157 Error (WHITE_MSG, NULL); 158 ptr->disp_white.red = val.num; 159 if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER) 160 Error (WHITE_MSG, NULL); 161 ptr->disp_white.green = val.num; 162 if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER) 163 Error (WHITE_MSG, NULL); 164 ptr->disp_white.blue = val.num; 165 break; 166 case MODES: 167 { 168 XF86ModePtr mptr; 169 170 while ((token = xf86getSubTokenWithTab (&(ptr->disp_comment), DisplayTab)) == STRING) 171 { 172 mptr = calloc (1, sizeof (XF86ModeRec)); 173 mptr->mode_name = val.str; 174 mptr->list.next = NULL; 175 ptr->disp_mode_lst = (XF86ModePtr) 176 xf86addListItem ((glp) ptr->disp_mode_lst, (glp) mptr); 177 } 178 xf86unGetToken (token); 179 } 180 break; 181 case OPTION: 182 ptr->disp_option_lst = xf86parseOption(ptr->disp_option_lst); 183 break; 184 185 case EOF_TOKEN: 186 Error (UNEXPECTED_EOF_MSG, NULL); 187 break; 188 default: 189 Error (INVALID_KEYWORD_MSG, xf86tokenString ()); 190 break; 191 } 192 } 193 194#ifdef DEBUG 195 printf ("Display subsection parsed\n"); 196#endif 197 198 return ptr; 199} 200 201#undef CLEANUP 202 203static xf86ConfigSymTabRec ScreenTab[] = 204{ 205 {ENDSECTION, "endsection"}, 206 {IDENTIFIER, "identifier"}, 207 {OBSDRIVER, "driver"}, 208 {MDEVICE, "device"}, 209 {MONITOR, "monitor"}, 210 {VIDEOADAPTOR, "videoadaptor"}, 211 {SCREENNO, "screenno"}, 212 {SUBSECTION, "subsection"}, 213 {DEFAULTDEPTH, "defaultcolordepth"}, 214 {DEFAULTDEPTH, "defaultdepth"}, 215 {DEFAULTBPP, "defaultbpp"}, 216 {DEFAULTFBBPP, "defaultfbbpp"}, 217 {VIRTUAL, "virtual"}, 218 {OPTION, "option"}, 219 {-1, ""}, 220}; 221 222#define CLEANUP xf86freeScreenList 223XF86ConfScreenPtr 224xf86parseScreenSection (void) 225{ 226 int has_ident = FALSE; 227 int has_driver= FALSE; 228 int token; 229 230 parsePrologue (XF86ConfScreenPtr, XF86ConfScreenRec) 231 232 while ((token = xf86getToken (ScreenTab)) != ENDSECTION) 233 { 234 switch (token) 235 { 236 case COMMENT: 237 ptr->scrn_comment = xf86addComment(ptr->scrn_comment, val.str); 238 break; 239 case IDENTIFIER: 240 if (xf86getSubToken (&(ptr->scrn_comment)) != STRING) 241 Error (QUOTE_MSG, "Identifier"); 242 ptr->scrn_identifier = val.str; 243 if (has_ident || has_driver) 244 Error (ONLY_ONE_MSG,"Identifier or Driver"); 245 has_ident = TRUE; 246 break; 247 case OBSDRIVER: 248 if (xf86getSubToken (&(ptr->scrn_comment)) != STRING) 249 Error (QUOTE_MSG, "Driver"); 250 ptr->scrn_obso_driver = val.str; 251 if (has_ident || has_driver) 252 Error (ONLY_ONE_MSG,"Identifier or Driver"); 253 has_driver = TRUE; 254 break; 255 case DEFAULTDEPTH: 256 if (xf86getSubToken (&(ptr->scrn_comment)) != NUMBER) 257 Error (NUMBER_MSG, "DefaultDepth"); 258 ptr->scrn_defaultdepth = val.num; 259 break; 260 case DEFAULTBPP: 261 if (xf86getSubToken (&(ptr->scrn_comment)) != NUMBER) 262 Error (NUMBER_MSG, "DefaultBPP"); 263 ptr->scrn_defaultbpp = val.num; 264 break; 265 case DEFAULTFBBPP: 266 if (xf86getSubToken (&(ptr->scrn_comment)) != NUMBER) 267 Error (NUMBER_MSG, "DefaultFbBPP"); 268 ptr->scrn_defaultfbbpp = val.num; 269 break; 270 case MDEVICE: 271 if (xf86getSubToken (&(ptr->scrn_comment)) != STRING) 272 Error (QUOTE_MSG, "Device"); 273 ptr->scrn_device_str = val.str; 274 break; 275 case MONITOR: 276 if (xf86getSubToken (&(ptr->scrn_comment)) != STRING) 277 Error (QUOTE_MSG, "Monitor"); 278 ptr->scrn_monitor_str = val.str; 279 break; 280 case VIDEOADAPTOR: 281 { 282 XF86ConfAdaptorLinkPtr aptr; 283 284 if (xf86getSubToken (&(ptr->scrn_comment)) != STRING) 285 Error (QUOTE_MSG, "VideoAdaptor"); 286 287 /* Don't allow duplicates */ 288 for (aptr = ptr->scrn_adaptor_lst; aptr; 289 aptr = (XF86ConfAdaptorLinkPtr) aptr->list.next) 290 if (xf86nameCompare (val.str, aptr->al_adaptor_str) == 0) 291 break; 292 293 if (aptr == NULL) 294 { 295 aptr = calloc (1, sizeof (XF86ConfAdaptorLinkRec)); 296 aptr->list.next = NULL; 297 aptr->al_adaptor_str = val.str; 298 ptr->scrn_adaptor_lst = (XF86ConfAdaptorLinkPtr) 299 xf86addListItem ((glp) ptr->scrn_adaptor_lst, (glp) aptr); 300 } 301 } 302 break; 303 case VIRTUAL: 304 if (xf86getSubToken (&(ptr->scrn_comment)) != NUMBER) 305 Error (VIRTUAL_MSG, NULL); 306 ptr->scrn_virtualX = val.num; 307 if (xf86getSubToken (&(ptr->scrn_comment)) != NUMBER) 308 Error (VIRTUAL_MSG, NULL); 309 ptr->scrn_virtualY = val.num; 310 break; 311 case OPTION: 312 ptr->scrn_option_lst = xf86parseOption(ptr->scrn_option_lst); 313 break; 314 case SUBSECTION: 315 if (xf86getSubToken (&(ptr->scrn_comment)) != STRING) 316 Error (QUOTE_MSG, "SubSection"); 317 { 318 free(val.str); 319 HANDLE_LIST (scrn_display_lst, xf86parseDisplaySubSection, 320 XF86ConfDisplayPtr); 321 } 322 break; 323 case EOF_TOKEN: 324 Error (UNEXPECTED_EOF_MSG, NULL); 325 break; 326 default: 327 Error (INVALID_KEYWORD_MSG, xf86tokenString ()); 328 break; 329 } 330 } 331 332 if (!has_ident && !has_driver) 333 Error (NO_IDENT_MSG, NULL); 334 335#ifdef DEBUG 336 printf ("Screen section parsed\n"); 337#endif 338 339 return ptr; 340} 341 342void 343xf86printScreenSection (FILE * cf, XF86ConfScreenPtr ptr) 344{ 345 XF86ConfAdaptorLinkPtr aptr; 346 XF86ConfDisplayPtr dptr; 347 XF86ModePtr mptr; 348 349 while (ptr) 350 { 351 fprintf (cf, "Section \"Screen\"\n"); 352 if (ptr->scrn_comment) 353 fprintf (cf, "%s", ptr->scrn_comment); 354 if (ptr->scrn_identifier) 355 fprintf (cf, "\tIdentifier \"%s\"\n", ptr->scrn_identifier); 356 if (ptr->scrn_obso_driver) 357 fprintf (cf, "\tDriver \"%s\"\n", ptr->scrn_obso_driver); 358 if (ptr->scrn_device_str) 359 fprintf (cf, "\tDevice \"%s\"\n", ptr->scrn_device_str); 360 if (ptr->scrn_monitor_str) 361 fprintf (cf, "\tMonitor \"%s\"\n", ptr->scrn_monitor_str); 362 if (ptr->scrn_defaultdepth) 363 fprintf (cf, "\tDefaultDepth %d\n", 364 ptr->scrn_defaultdepth); 365 if (ptr->scrn_defaultbpp) 366 fprintf (cf, "\tDefaultBPP %d\n", 367 ptr->scrn_defaultbpp); 368 if (ptr->scrn_defaultfbbpp) 369 fprintf (cf, "\tDefaultFbBPP %d\n", 370 ptr->scrn_defaultfbbpp); 371 xf86printOptionList(cf, ptr->scrn_option_lst, 1); 372 for (aptr = ptr->scrn_adaptor_lst; aptr; aptr = aptr->list.next) 373 { 374 fprintf (cf, "\tVideoAdaptor \"%s\"\n", aptr->al_adaptor_str); 375 } 376 if (ptr->scrn_virtualX && ptr->scrn_virtualY) 377 fprintf (cf, "\tVirtual %d %d\n", 378 ptr->scrn_virtualX, 379 ptr->scrn_virtualY); 380 for (dptr = ptr->scrn_display_lst; dptr; dptr = dptr->list.next) 381 { 382 fprintf (cf, "\tSubSection \"Display\"\n"); 383 if (dptr->disp_comment) 384 fprintf (cf, "%s", dptr->disp_comment); 385 if (dptr->disp_frameX0 >= 0 || dptr->disp_frameY0 >= 0) 386 { 387 fprintf (cf, "\t\tViewport %d %d\n", 388 dptr->disp_frameX0, dptr->disp_frameY0); 389 } 390 if (dptr->disp_virtualX != 0 || dptr->disp_virtualY != 0) 391 { 392 fprintf (cf, "\t\tVirtual %d %d\n", 393 dptr->disp_virtualX, dptr->disp_virtualY); 394 } 395 if (dptr->disp_depth) 396 { 397 fprintf (cf, "\t\tDepth %d\n", dptr->disp_depth); 398 } 399 if (dptr->disp_bpp) 400 { 401 fprintf (cf, "\t\tFbBPP %d\n", dptr->disp_bpp); 402 } 403 if (dptr->disp_visual) 404 { 405 fprintf (cf, "\t\tVisual \"%s\"\n", dptr->disp_visual); 406 } 407 if (dptr->disp_weight.red != 0) 408 { 409 fprintf (cf, "\t\tWeight %d %d %d\n", 410 dptr->disp_weight.red, dptr->disp_weight.green, dptr->disp_weight.blue); 411 } 412 if (dptr->disp_black.red != -1) 413 { 414 fprintf (cf, "\t\tBlack 0x%04x 0x%04x 0x%04x\n", 415 dptr->disp_black.red, dptr->disp_black.green, dptr->disp_black.blue); 416 } 417 if (dptr->disp_white.red != -1) 418 { 419 fprintf (cf, "\t\tWhite 0x%04x 0x%04x 0x%04x\n", 420 dptr->disp_white.red, dptr->disp_white.green, dptr->disp_white.blue); 421 } 422 if (dptr->disp_mode_lst) 423 { 424 fprintf (cf, "\t\tModes "); 425 } 426 for (mptr = dptr->disp_mode_lst; mptr; mptr = mptr->list.next) 427 { 428 fprintf (cf, " \"%s\"", mptr->mode_name); 429 } 430 if (dptr->disp_mode_lst) 431 { 432 fprintf (cf, "\n"); 433 } 434 xf86printOptionList(cf, dptr->disp_option_lst, 2); 435 fprintf (cf, "\tEndSubSection\n"); 436 } 437 fprintf (cf, "EndSection\n\n"); 438 ptr = ptr->list.next; 439 } 440 441} 442 443void 444xf86freeScreenList (XF86ConfScreenPtr ptr) 445{ 446 XF86ConfScreenPtr prev; 447 448 while (ptr) 449 { 450 TestFree (ptr->scrn_identifier); 451 TestFree (ptr->scrn_monitor_str); 452 TestFree (ptr->scrn_device_str); 453 TestFree (ptr->scrn_comment); 454 xf86optionListFree (ptr->scrn_option_lst); 455 xf86freeAdaptorLinkList (ptr->scrn_adaptor_lst); 456 xf86freeDisplayList (ptr->scrn_display_lst); 457 prev = ptr; 458 ptr = ptr->list.next; 459 free (prev); 460 } 461} 462 463void 464xf86freeAdaptorLinkList (XF86ConfAdaptorLinkPtr ptr) 465{ 466 XF86ConfAdaptorLinkPtr prev; 467 468 while (ptr) 469 { 470 TestFree (ptr->al_adaptor_str); 471 prev = ptr; 472 ptr = ptr->list.next; 473 free (prev); 474 } 475} 476 477void 478xf86freeDisplayList (XF86ConfDisplayPtr ptr) 479{ 480 XF86ConfDisplayPtr prev; 481 482 while (ptr) 483 { 484 xf86freeModeList (ptr->disp_mode_lst); 485 xf86optionListFree (ptr->disp_option_lst); 486 prev = ptr; 487 ptr = ptr->list.next; 488 free (prev); 489 } 490} 491 492void 493xf86freeModeList (XF86ModePtr ptr) 494{ 495 XF86ModePtr prev; 496 497 while (ptr) 498 { 499 TestFree (ptr->mode_name); 500 prev = ptr; 501 ptr = ptr->list.next; 502 free (prev); 503 } 504} 505 506int 507xf86validateScreen (XF86ConfigPtr p) 508{ 509 XF86ConfScreenPtr screen = p->conf_screen_lst; 510 XF86ConfMonitorPtr monitor; 511 XF86ConfAdaptorLinkPtr adaptor; 512 513 while (screen) 514 { 515 if (screen->scrn_obso_driver && !screen->scrn_identifier) 516 screen->scrn_identifier = screen->scrn_obso_driver; 517 518 monitor = xf86findMonitor (screen->scrn_monitor_str, p->conf_monitor_lst); 519 if (screen->scrn_monitor_str) 520 { 521 if (monitor) 522 { 523 screen->scrn_monitor = monitor; 524 if (!xf86validateMonitor(p, screen)) 525 return FALSE; 526 } 527 } 528 529 screen->scrn_device= xf86findDevice (screen->scrn_device_str, p->conf_device_lst); 530 531 adaptor = screen->scrn_adaptor_lst; 532 while (adaptor) 533 { 534 adaptor->al_adaptor = xf86findVideoAdaptor (adaptor->al_adaptor_str, p->conf_videoadaptor_lst); 535 if (!adaptor->al_adaptor) 536 { 537 xf86validationError (UNDEFINED_ADAPTOR_MSG, adaptor->al_adaptor_str, screen->scrn_identifier); 538 return FALSE; 539 } 540 else if (adaptor->al_adaptor->va_fwdref) 541 { 542 xf86validationError (ADAPTOR_REF_TWICE_MSG, adaptor->al_adaptor_str, 543 adaptor->al_adaptor->va_fwdref); 544 return FALSE; 545 } 546 547 adaptor->al_adaptor->va_fwdref = strdup(screen->scrn_identifier); 548 adaptor = adaptor->list.next; 549 } 550 551 screen = screen->list.next; 552 } 553 554 return TRUE; 555} 556 557XF86ConfScreenPtr 558xf86findScreen (const char *ident, XF86ConfScreenPtr p) 559{ 560 while (p) 561 { 562 if (xf86nameCompare (ident, p->scrn_identifier) == 0) 563 return p; 564 565 p = p->list.next; 566 } 567 return NULL; 568} 569 570