| 1 | #define DEBUG_VERB 2 |
| 2 | /* |
| 3 | * Copyright © 2002 David Dawes |
| 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 AUTHOR(S) 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 author(s) shall |
| 24 | * not be used in advertising or otherwise to promote the sale, use or other |
| 25 | * dealings in this Software without prior written authorization from |
| 26 | * the author(s). |
| 27 | * |
| 28 | * Authors: David Dawes <dawes@xfree86.org> |
| 29 | * |
| 30 | */ |
| 31 | |
| 32 | #ifdef HAVE_XORG_CONFIG_H |
| 33 | #include <xorg-config.h> |
| 34 | #endif |
| 35 | |
| 36 | #include <stdio.h> |
| 37 | #include <string.h> |
| 38 | |
| 39 | #include "xf86.h" |
| 40 | #include "vbe.h" |
| 41 | #include "vbeModes.h" |
| 42 | |
| 43 | static int |
| 44 | GetDepthFlag(vbeInfoPtr pVbe, int id) |
| 45 | { |
| 46 | VbeModeInfoBlock *mode; |
| 47 | int bpp; |
| 48 | |
| 49 | if ((mode = VBEGetModeInfo(pVbe, id)) == NULL) |
| 50 | return 0; |
| 51 | |
| 52 | if (VBE_MODE_USABLE(mode, 0)) { |
| 53 | int depth; |
| 54 | |
| 55 | if (VBE_MODE_COLOR(mode)) { |
| 56 | depth = mode->RedMaskSize + mode->GreenMaskSize + |
| 57 | mode->BlueMaskSize; |
| 58 | } |
| 59 | else { |
| 60 | depth = 1; |
| 61 | } |
| 62 | bpp = mode->BitsPerPixel; |
| 63 | VBEFreeModeInfo(mode); |
| 64 | mode = NULL; |
| 65 | switch (depth) { |
| 66 | case 1: |
| 67 | return V_DEPTH_1; |
| 68 | case 4: |
| 69 | return V_DEPTH_4; |
| 70 | case 8: |
| 71 | return V_DEPTH_8; |
| 72 | case 15: |
| 73 | return V_DEPTH_15; |
| 74 | case 16: |
| 75 | return V_DEPTH_16; |
| 76 | case 24: |
| 77 | switch (bpp) { |
| 78 | case 24: |
| 79 | return V_DEPTH_24_24; |
| 80 | case 32: |
| 81 | return V_DEPTH_24_32; |
| 82 | } |
| 83 | } |
| 84 | } |
| 85 | if (mode) |
| 86 | VBEFreeModeInfo(mode); |
| 87 | return 0; |
| 88 | } |
| 89 | |
| 90 | /* |
| 91 | * Find supported mode depths. |
| 92 | */ |
| 93 | int |
| 94 | VBEFindSupportedDepths(vbeInfoPtr pVbe, VbeInfoBlock * vbe, int *flags24, |
| 95 | int modeTypes) |
| 96 | { |
| 97 | int i = 0; |
| 98 | int depths = 0; |
| 99 | |
| 100 | if (modeTypes & V_MODETYPE_VBE) { |
| 101 | while (vbe->VideoModePtr[i] != 0xffff) { |
| 102 | depths |= GetDepthFlag(pVbe, vbe->VideoModePtr[i++]); |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | /* |
| 107 | * XXX This possibly only works with VBE 3.0 and later. |
| 108 | */ |
| 109 | if (modeTypes & V_MODETYPE_VGA) { |
| 110 | for (i = 0; i < 0x7F; i++) { |
| 111 | depths |= GetDepthFlag(pVbe, i); |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | if (flags24) { |
| 116 | if (depths & V_DEPTH_24_24) |
| 117 | *flags24 |= Support24bppFb; |
| 118 | if (depths & V_DEPTH_24_32) |
| 119 | *flags24 |= Support32bppFb; |
| 120 | } |
| 121 | |
| 122 | return depths; |
| 123 | } |
| 124 | |
| 125 | static DisplayModePtr |
| 126 | CheckMode(ScrnInfoPtr pScrn, vbeInfoPtr pVbe, VbeInfoBlock * vbe, int id, |
| 127 | int flags) |
| 128 | { |
| 129 | CARD16 major; |
| 130 | VbeModeInfoBlock *mode; |
| 131 | DisplayModePtr pMode; |
| 132 | VbeModeInfoData *data; |
| 133 | Bool modeOK = FALSE; |
| 134 | |
| 135 | major = (unsigned) (vbe->VESAVersion >> 8); |
| 136 | |
| 137 | if ((mode = VBEGetModeInfo(pVbe, id)) == NULL) |
| 138 | return NULL; |
| 139 | |
| 140 | /* Does the mode match the depth/bpp? */ |
| 141 | /* Some BIOS's set BitsPerPixel to 15 instead of 16 for 15/16 */ |
| 142 | if (VBE_MODE_USABLE(mode, flags) && |
| 143 | ((pScrn->bitsPerPixel == 1 && !VBE_MODE_COLOR(mode)) || |
| 144 | (mode->BitsPerPixel > 8 && |
| 145 | (mode->RedMaskSize + mode->GreenMaskSize + |
| 146 | mode->BlueMaskSize) == pScrn->depth && |
| 147 | mode->BitsPerPixel == pScrn->bitsPerPixel) || |
| 148 | (mode->BitsPerPixel == 15 && pScrn->depth == 15) || |
| 149 | (mode->BitsPerPixel <= 8 && |
| 150 | mode->BitsPerPixel == pScrn->bitsPerPixel))) { |
| 151 | modeOK = TRUE; |
| 152 | xf86ErrorFVerb(DEBUG_VERB, "*"); |
| 153 | } |
| 154 | |
| 155 | xf86ErrorFVerb(DEBUG_VERB, |
| 156 | "Mode: %x (%dx%d)\n", id, mode->XResolution, |
| 157 | mode->YResolution); |
| 158 | xf86ErrorFVerb(DEBUG_VERB, " ModeAttributes: 0x%x\n", |
| 159 | mode->ModeAttributes); |
| 160 | xf86ErrorFVerb(DEBUG_VERB, " WinAAttributes: 0x%x\n", |
| 161 | mode->WinAAttributes); |
| 162 | xf86ErrorFVerb(DEBUG_VERB, " WinBAttributes: 0x%x\n", |
| 163 | mode->WinBAttributes); |
| 164 | xf86ErrorFVerb(DEBUG_VERB, " WinGranularity: %d\n", |
| 165 | mode->WinGranularity); |
| 166 | xf86ErrorFVerb(DEBUG_VERB, " WinSize: %d\n", mode->WinSize); |
| 167 | xf86ErrorFVerb(DEBUG_VERB, |
| 168 | " WinASegment: 0x%x\n", mode->WinASegment); |
| 169 | xf86ErrorFVerb(DEBUG_VERB, |
| 170 | " WinBSegment: 0x%x\n", mode->WinBSegment); |
| 171 | xf86ErrorFVerb(DEBUG_VERB, |
| 172 | " WinFuncPtr: 0x%lx\n", (unsigned long) mode->WinFuncPtr); |
| 173 | xf86ErrorFVerb(DEBUG_VERB, |
| 174 | " BytesPerScanline: %d\n", mode->BytesPerScanline); |
| 175 | xf86ErrorFVerb(DEBUG_VERB, " XResolution: %d\n", mode->XResolution); |
| 176 | xf86ErrorFVerb(DEBUG_VERB, " YResolution: %d\n", mode->YResolution); |
| 177 | xf86ErrorFVerb(DEBUG_VERB, " XCharSize: %d\n", mode->XCharSize); |
| 178 | xf86ErrorFVerb(DEBUG_VERB, " YCharSize: %d\n", mode->YCharSize); |
| 179 | xf86ErrorFVerb(DEBUG_VERB, |
| 180 | " NumberOfPlanes: %d\n", mode->NumberOfPlanes); |
| 181 | xf86ErrorFVerb(DEBUG_VERB, |
| 182 | " BitsPerPixel: %d\n", mode->BitsPerPixel); |
| 183 | xf86ErrorFVerb(DEBUG_VERB, |
| 184 | " NumberOfBanks: %d\n", mode->NumberOfBanks); |
| 185 | xf86ErrorFVerb(DEBUG_VERB, " MemoryModel: %d\n", mode->MemoryModel); |
| 186 | xf86ErrorFVerb(DEBUG_VERB, " BankSize: %d\n", mode->BankSize); |
| 187 | xf86ErrorFVerb(DEBUG_VERB, |
| 188 | " NumberOfImages: %d\n", mode->NumberOfImages); |
| 189 | xf86ErrorFVerb(DEBUG_VERB, " RedMaskSize: %d\n", mode->RedMaskSize); |
| 190 | xf86ErrorFVerb(DEBUG_VERB, |
| 191 | " RedFieldPosition: %d\n", mode->RedFieldPosition); |
| 192 | xf86ErrorFVerb(DEBUG_VERB, |
| 193 | " GreenMaskSize: %d\n", mode->GreenMaskSize); |
| 194 | xf86ErrorFVerb(DEBUG_VERB, |
| 195 | " GreenFieldPosition: %d\n", mode->GreenFieldPosition); |
| 196 | xf86ErrorFVerb(DEBUG_VERB, |
| 197 | " BlueMaskSize: %d\n", mode->BlueMaskSize); |
| 198 | xf86ErrorFVerb(DEBUG_VERB, |
| 199 | " BlueFieldPosition: %d\n", mode->BlueFieldPosition); |
| 200 | xf86ErrorFVerb(DEBUG_VERB, |
| 201 | " RsvdMaskSize: %d\n", mode->RsvdMaskSize); |
| 202 | xf86ErrorFVerb(DEBUG_VERB, |
| 203 | " RsvdFieldPosition: %d\n", mode->RsvdFieldPosition); |
| 204 | xf86ErrorFVerb(DEBUG_VERB, |
| 205 | " DirectColorModeInfo: %d\n", mode->DirectColorModeInfo); |
| 206 | if (major >= 2) { |
| 207 | xf86ErrorFVerb(DEBUG_VERB, |
| 208 | " PhysBasePtr: 0x%lx\n", |
| 209 | (unsigned long) mode->PhysBasePtr); |
| 210 | if (major >= 3) { |
| 211 | xf86ErrorFVerb(DEBUG_VERB, |
| 212 | " LinBytesPerScanLine: %d\n", |
| 213 | mode->LinBytesPerScanLine); |
| 214 | xf86ErrorFVerb(DEBUG_VERB, " BnkNumberOfImagePages: %d\n", |
| 215 | mode->BnkNumberOfImagePages); |
| 216 | xf86ErrorFVerb(DEBUG_VERB, " LinNumberOfImagePages: %d\n", |
| 217 | mode->LinNumberOfImagePages); |
| 218 | xf86ErrorFVerb(DEBUG_VERB, " LinRedMaskSize: %d\n", |
| 219 | mode->LinRedMaskSize); |
| 220 | xf86ErrorFVerb(DEBUG_VERB, " LinRedFieldPosition: %d\n", |
| 221 | mode->LinRedFieldPosition); |
| 222 | xf86ErrorFVerb(DEBUG_VERB, " LinGreenMaskSize: %d\n", |
| 223 | mode->LinGreenMaskSize); |
| 224 | xf86ErrorFVerb(DEBUG_VERB, " LinGreenFieldPosition: %d\n", |
| 225 | mode->LinGreenFieldPosition); |
| 226 | xf86ErrorFVerb(DEBUG_VERB, " LinBlueMaskSize: %d\n", |
| 227 | mode->LinBlueMaskSize); |
| 228 | xf86ErrorFVerb(DEBUG_VERB, " LinBlueFieldPosition: %d\n", |
| 229 | mode->LinBlueFieldPosition); |
| 230 | xf86ErrorFVerb(DEBUG_VERB, " LinRsvdMaskSize: %d\n", |
| 231 | mode->LinRsvdMaskSize); |
| 232 | xf86ErrorFVerb(DEBUG_VERB, " LinRsvdFieldPosition: %d\n", |
| 233 | mode->LinRsvdFieldPosition); |
| 234 | xf86ErrorFVerb(DEBUG_VERB, " MaxPixelClock: %ld\n", |
| 235 | (unsigned long) mode->MaxPixelClock); |
| 236 | } |
| 237 | } |
| 238 | |
| 239 | if (!modeOK) { |
| 240 | VBEFreeModeInfo(mode); |
| 241 | return NULL; |
| 242 | } |
| 243 | pMode = xnfcalloc(sizeof(DisplayModeRec), 1); |
| 244 | |
| 245 | pMode->status = MODE_OK; |
| 246 | pMode->type = M_T_BUILTIN; |
| 247 | |
| 248 | /* for adjust frame */ |
| 249 | pMode->HDisplay = mode->XResolution; |
| 250 | pMode->VDisplay = mode->YResolution; |
| 251 | |
| 252 | data = xnfcalloc(sizeof(VbeModeInfoData), 1); |
| 253 | data->mode = id; |
| 254 | data->data = mode; |
| 255 | pMode->PrivSize = sizeof(VbeModeInfoData); |
| 256 | pMode->Private = (INT32 *) data; |
| 257 | pMode->next = NULL; |
| 258 | return pMode; |
| 259 | } |
| 260 | |
| 261 | /* |
| 262 | * Check the available BIOS modes, and extract those that match the |
| 263 | * requirements into the modePool. Note: modePool is a NULL-terminated |
| 264 | * list. |
| 265 | */ |
| 266 | |
| 267 | DisplayModePtr |
| 268 | VBEGetModePool(ScrnInfoPtr pScrn, vbeInfoPtr pVbe, VbeInfoBlock * vbe, |
| 269 | int modeTypes) |
| 270 | { |
| 271 | DisplayModePtr pMode, p = NULL, modePool = NULL; |
| 272 | int i = 0; |
| 273 | |
| 274 | if (modeTypes & V_MODETYPE_VBE) { |
| 275 | while (vbe->VideoModePtr[i] != 0xffff) { |
| 276 | int id = vbe->VideoModePtr[i++]; |
| 277 | |
| 278 | if ((pMode = CheckMode(pScrn, pVbe, vbe, id, modeTypes)) != NULL) { |
| 279 | ModeStatus status = MODE_OK; |
| 280 | |
| 281 | /* Check the mode against a specified virtual size (if any) */ |
| 282 | if (pScrn->display->virtualX > 0 && |
| 283 | pMode->HDisplay > pScrn->display->virtualX) { |
| 284 | status = MODE_VIRTUAL_X; |
| 285 | } |
| 286 | if (pScrn->display->virtualY > 0 && |
| 287 | pMode->VDisplay > pScrn->display->virtualY) { |
| 288 | status = MODE_VIRTUAL_Y; |
| 289 | } |
| 290 | if (status != MODE_OK) { |
| 291 | xf86DrvMsg(pScrn->scrnIndex, X_INFO, |
| 292 | "Not using mode \"%dx%d\" (%s)\n", |
| 293 | pMode->HDisplay, pMode->VDisplay, |
| 294 | xf86ModeStatusToString(status)); |
| 295 | } |
| 296 | else { |
| 297 | if (p == NULL) { |
| 298 | modePool = pMode; |
| 299 | } |
| 300 | else { |
| 301 | p->next = pMode; |
| 302 | } |
| 303 | pMode->prev = NULL; |
| 304 | p = pMode; |
| 305 | } |
| 306 | } |
| 307 | } |
| 308 | } |
| 309 | if (modeTypes & V_MODETYPE_VGA) { |
| 310 | for (i = 0; i < 0x7F; i++) { |
| 311 | if ((pMode = CheckMode(pScrn, pVbe, vbe, i, modeTypes)) != NULL) { |
| 312 | ModeStatus status = MODE_OK; |
| 313 | |
| 314 | /* Check the mode against a specified virtual size (if any) */ |
| 315 | if (pScrn->display->virtualX > 0 && |
| 316 | pMode->HDisplay > pScrn->display->virtualX) { |
| 317 | status = MODE_VIRTUAL_X; |
| 318 | } |
| 319 | if (pScrn->display->virtualY > 0 && |
| 320 | pMode->VDisplay > pScrn->display->virtualY) { |
| 321 | status = MODE_VIRTUAL_Y; |
| 322 | } |
| 323 | if (status != MODE_OK) { |
| 324 | xf86DrvMsg(pScrn->scrnIndex, X_INFO, |
| 325 | "Not using mode \"%dx%d\" (%s)\n", |
| 326 | pMode->HDisplay, pMode->VDisplay, |
| 327 | xf86ModeStatusToString(status)); |
| 328 | } |
| 329 | else { |
| 330 | if (p == NULL) { |
| 331 | modePool = pMode; |
| 332 | } |
| 333 | else { |
| 334 | p->next = pMode; |
| 335 | } |
| 336 | pMode->prev = NULL; |
| 337 | p = pMode; |
| 338 | } |
| 339 | } |
| 340 | } |
| 341 | } |
| 342 | return modePool; |
| 343 | } |
| 344 | |
| 345 | void |
| 346 | VBESetModeNames(DisplayModePtr pMode) |
| 347 | { |
| 348 | if (!pMode) |
| 349 | return; |
| 350 | |
| 351 | do { |
| 352 | if (!pMode->name) { |
| 353 | /* Catch "bad" modes. */ |
| 354 | if (pMode->HDisplay > 10000 || pMode->HDisplay < 0 || |
| 355 | pMode->VDisplay > 10000 || pMode->VDisplay < 0) { |
| 356 | pMode->name = strdup("BADMODE"); |
| 357 | } |
| 358 | else { |
| 359 | XNFasprintf(&pMode->name, "%dx%d", |
| 360 | pMode->HDisplay, pMode->VDisplay); |
| 361 | } |
| 362 | } |
| 363 | pMode = pMode->next; |
| 364 | } while (pMode); |
| 365 | } |
| 366 | |
| 367 | /* |
| 368 | * Go through the monitor modes and selecting the best set of |
| 369 | * parameters for each BIOS mode. Note: This is only supported in |
| 370 | * VBE version 3.0 or later. |
| 371 | */ |
| 372 | void |
| 373 | VBESetModeParameters(ScrnInfoPtr pScrn, vbeInfoPtr pVbe) |
| 374 | { |
| 375 | DisplayModePtr pMode; |
| 376 | VbeModeInfoData *data; |
| 377 | |
| 378 | pMode = pScrn->modes; |
| 379 | do { |
| 380 | DisplayModePtr p, best = NULL; |
| 381 | ModeStatus status; |
| 382 | |
| 383 | for (p = pScrn->monitor->Modes; p != NULL; p = p->next) { |
| 384 | if ((p->HDisplay != pMode->HDisplay) || |
| 385 | (p->VDisplay != pMode->VDisplay) || |
| 386 | (p->Flags & (V_INTERLACE | V_DBLSCAN | V_CLKDIV2))) |
| 387 | continue; |
| 388 | /* XXX could support the various V_ flags */ |
| 389 | status = xf86CheckModeForMonitor(p, pScrn->monitor); |
| 390 | if (status != MODE_OK) |
| 391 | continue; |
| 392 | if (!best || (p->Clock > best->Clock)) |
| 393 | best = p; |
| 394 | } |
| 395 | |
| 396 | if (best) { |
| 397 | int clock; |
| 398 | |
| 399 | data = (VbeModeInfoData *) pMode->Private; |
| 400 | pMode->HSync = (float) best->Clock * 1000.0 / best->HTotal + 0.5; |
| 401 | pMode->VRefresh = pMode->HSync / best->VTotal + 0.5; |
| 402 | xf86DrvMsg(pScrn->scrnIndex, X_INFO, |
| 403 | "Attempting to use %dHz refresh for mode \"%s\" (%x)\n", |
| 404 | (int) pMode->VRefresh, pMode->name, data->mode); |
| 405 | data->block = calloc(sizeof(VbeCRTCInfoBlock), 1); |
| 406 | data->block->HorizontalTotal = best->HTotal; |
| 407 | data->block->HorizontalSyncStart = best->HSyncStart; |
| 408 | data->block->HorizontalSyncEnd = best->HSyncEnd; |
| 409 | data->block->VerticalTotal = best->VTotal; |
| 410 | data->block->VerticalSyncStart = best->VSyncStart; |
| 411 | data->block->VerticalSyncEnd = best->VSyncEnd; |
| 412 | data->block->Flags = ((best->Flags & V_NHSYNC) ? CRTC_NHSYNC : 0) | |
| 413 | ((best->Flags & V_NVSYNC) ? CRTC_NVSYNC : 0); |
| 414 | data->block->PixelClock = best->Clock * 1000; |
| 415 | /* XXX May not have this. */ |
| 416 | clock = VBEGetPixelClock(pVbe, data->mode, data->block->PixelClock); |
| 417 | DebugF("Setting clock %.2fMHz, closest is %.2fMHz\n", |
| 418 | (double) data->block->PixelClock / 1000000.0, |
| 419 | (double) clock / 1000000.0); |
| 420 | if (clock) |
| 421 | data->block->PixelClock = clock; |
| 422 | data->mode |= (1 << 11); |
| 423 | data->block->RefreshRate = ((double) (data->block->PixelClock) / |
| 424 | (double) (best->HTotal * |
| 425 | best->VTotal)) * 100; |
| 426 | } |
| 427 | pMode = pMode->next; |
| 428 | } while (pMode != pScrn->modes); |
| 429 | } |
| 430 | |
| 431 | /* |
| 432 | * These wrappers are to allow (temporary) funtionality divergences. |
| 433 | */ |
| 434 | int |
| 435 | VBEValidateModes(ScrnInfoPtr scrp, DisplayModePtr availModes, |
| 436 | char **modeNames, ClockRangePtr clockRanges, |
| 437 | int *linePitches, int minPitch, int maxPitch, int pitchInc, |
| 438 | int minHeight, int maxHeight, int virtualX, int virtualY, |
| 439 | int apertureSize, LookupModeFlags strategy) |
| 440 | { |
| 441 | return xf86ValidateModes(scrp, availModes, modeNames, clockRanges, |
| 442 | linePitches, minPitch, maxPitch, pitchInc, |
| 443 | minHeight, maxHeight, virtualX, virtualY, |
| 444 | apertureSize, strategy); |
| 445 | } |
| 446 | |
| 447 | void |
| 448 | VBEPrintModes(ScrnInfoPtr scrp) |
| 449 | { |
| 450 | xf86PrintModes(scrp); |
| 451 | } |