src/gallium/state_trackers/xorg/xorg_driver.c

   1 /*
   2  * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sub license, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial portions
  15  * of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  20  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  21  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  22  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  23  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  *
  26  * Author: Alan Hourihane <alanh@tungstengraphics.com>
  27  * Author: Jakob Bornecrantz <wallbraker@gmail.com>
  28  *
  29  */
  30
  31
  32 #include "xorg-server.h"
  33 #include "xf86.h"
  34 #include "xf86_OSproc.h"
  35 #include "compiler.h"
  36 #include "xf86PciInfo.h"
  37 #include "xf86Pci.h"
  38 #include "mipointer.h"
  39 #include "micmap.h"
  40 #include <X11/extensions/randr.h>
  41 #include "fb.h"
  42 #include "edid.h"
  43 #include "xf86i2c.h"
  44 #include "xf86Crtc.h"
  45 #include "miscstruct.h"
  46 #include "dixstruct.h"
  47 #include "xf86xv.h"
  48 #ifndef XSERVER_LIBPCIACCESS
  49 #error "libpciaccess needed"
  50 #endif
  51
  52 #include <pciaccess.h>
  53
  54 #include "pipe/p_context.h"
  55 #include "xorg_tracker.h"
  56 #include "xorg_winsys.h"
  57
  58 #ifdef HAVE_LIBKMS
  59 #include "libkms.h"
  60 #endif
  61
  62 /*
  63  * Functions and symbols exported to Xorg via pointers.
  64  */
  65
  66 static Bool drv_pre_init(ScrnInfoPtr pScrn, int flags);
  67 static Bool drv_screen_init(int scrnIndex, ScreenPtr pScreen, int argc,
  68                             char **argv);
  69 static Bool drv_switch_mode(int scrnIndex, DisplayModePtr mode, int flags);
  70 static void drv_adjust_frame(int scrnIndex, int x, int y, int flags);
  71 static Bool drv_enter_vt(int scrnIndex, int flags);
  72 static void drv_leave_vt(int scrnIndex, int flags);
  73 static void drv_free_screen(int scrnIndex, int flags);
  74 static ModeStatus drv_valid_mode(int scrnIndex, DisplayModePtr mode, Bool verbose,
  75                                  int flags);
  76
  77 typedef enum
  78 {
  79     OPTION_SW_CURSOR,
  80     OPTION_2D_ACCEL,
  81     OPTION_DEBUG_FALLBACK,
  82 } drv_option_enums;
  83
  84 static const OptionInfoRec drv_options[] = {
  85     {OPTION_SW_CURSOR, "SWcursor", OPTV_BOOLEAN, {0}, FALSE},
  86     {OPTION_2D_ACCEL, "2DAccel", OPTV_BOOLEAN, {0}, FALSE},
  87     {OPTION_DEBUG_FALLBACK, "DebugFallback", OPTV_BOOLEAN, {0}, FALSE},
  88     {-1, NULL, OPTV_NONE, {0}, FALSE}
  89 };
  90
  91
  92 /*
  93  * Exported Xorg driver functions to winsys
  94  */
  95
  96 const OptionInfoRec *
  97 xorg_tracker_available_options(int chipid, int busid)
  98 {
  99     return drv_options;
 100 }
 101
 102 void
 103 xorg_tracker_set_functions(ScrnInfoPtr scrn)
 104 {
 105     scrn->PreInit = drv_pre_init;
 106     scrn->ScreenInit = drv_screen_init;
 107     scrn->SwitchMode = drv_switch_mode;
 108     scrn->AdjustFrame = drv_adjust_frame;
 109     scrn->EnterVT = drv_enter_vt;
 110     scrn->LeaveVT = drv_leave_vt;
 111     scrn->FreeScreen = drv_free_screen;
 112     scrn->ValidMode = drv_valid_mode;
 113 }
 114
 115 Bool
 116 xorg_tracker_have_modesetting(ScrnInfoPtr pScrn, struct pci_device *device)
 117 {
 118     char *BusID = xalloc(64);
 119     sprintf(BusID, "pci:%04x:%02x:%02x.%d",
 120             device->domain, device->bus,
 121             device->dev, device->func);
 122
 123     if (drmCheckModesettingSupported(BusID)) {
 124         xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 0,
 125                        "Drm modesetting not supported %s\n", BusID);
 126         xfree(BusID);
 127         return FALSE;
 128     }
 129
 130     xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 0,
 131                    "Drm modesetting supported on %s\n", BusID);
 132
 133     xfree(BusID);
 134     return TRUE;
 135 }
 136
 137
 138 /*
 139  * Internal function definitions
 140  */
 141
 142 static Bool drv_init_front_buffer_functions(ScrnInfoPtr pScrn);
 143 static Bool drv_close_screen(int scrnIndex, ScreenPtr pScreen);
 144 static Bool drv_save_hw_state(ScrnInfoPtr pScrn);
 145 static Bool drv_restore_hw_state(ScrnInfoPtr pScrn);
 146
 147
 148 /*
 149  * Internal functions
 150  */
 151
 152 static Bool
 153 drv_get_rec(ScrnInfoPtr pScrn)
 154 {
 155     if (pScrn->driverPrivate)
 156         return TRUE;
 157
 158     pScrn->driverPrivate = xnfcalloc(sizeof(modesettingRec), 1);
 159
 160     return TRUE;
 161 }
 162
 163 static void
 164 drv_free_rec(ScrnInfoPtr pScrn)
 165 {
 166     if (!pScrn)
 167         return;
 168
 169     if (!pScrn->driverPrivate)
 170         return;
 171
 172     xfree(pScrn->driverPrivate);
 173
 174     pScrn->driverPrivate = NULL;
 175 }
 176
 177 static void
 178 drv_probe_ddc(ScrnInfoPtr pScrn, int index)
 179 {
 180     ConfiguredMonitor = NULL;
 181 }
 182
 183 static Bool
 184 drv_crtc_resize(ScrnInfoPtr pScrn, int width, int height)
 185 {
 186     modesettingPtr ms = modesettingPTR(pScrn);
 187     PixmapPtr rootPixmap;
 188     ScreenPtr pScreen = pScrn->pScreen;
 189
 190     if (width == pScrn->virtualX && height == pScrn->virtualY)
 191         return TRUE;
 192
 193     pScrn->virtualX = width;
 194     pScrn->virtualY = height;
 195
 196     /*
 197      * Remove the old framebuffer & texture.
 198      */
 199     drmModeRmFB(ms->fd, ms->fb_id);
 200     if (!ms->destroy_front_buffer(pScrn))
 201         FatalError("failed to destroy front buffer\n");
 202
 203     rootPixmap = pScreen->GetScreenPixmap(pScreen);
 204     if (!pScreen->ModifyPixmapHeader(rootPixmap, width, height, -1, -1, -1, NULL))
 205         return FALSE;
 206
 207     pScrn->displayWidth = rootPixmap->devKind / (rootPixmap->drawable.bitsPerPixel / 8);
 208
 209     /* now create new frontbuffer */
 210     return ms->create_front_buffer(pScrn) && ms->bind_front_buffer(pScrn);
 211 }
 212
 213 static const xf86CrtcConfigFuncsRec crtc_config_funcs = {
 214     .resize = drv_crtc_resize
 215 };
 216
 217 static Bool
 218 drv_init_drm(ScrnInfoPtr pScrn)
 219 {
 220     modesettingPtr ms = modesettingPTR(pScrn);
 221
 222     /* deal with server regeneration */
 223     if (ms->fd < 0) {
 224         char *BusID;
 225
 226         BusID = xalloc(64);
 227         sprintf(BusID, "PCI:%d:%d:%d",
 228                 ((ms->PciInfo->domain << 8) | ms->PciInfo->bus),
 229                 ms->PciInfo->dev, ms->PciInfo->func
 230             );
 231
 232
 233         ms->api = drm_api_create();
 234         ms->fd = drmOpen(ms->api ? ms->api->driver_name : NULL, BusID);
 235         xfree(BusID);
 236
 237         if (ms->fd >= 0)
 238             return TRUE;
 239
 240         if (ms->api && ms->api->destroy)
 241             ms->api->destroy(ms->api);
 242
 243         ms->api = NULL;
 244
 245         return FALSE;
 246     }
 247
 248     return TRUE;
 249 }
 250
 251 static Bool
 252 drv_close_drm(ScrnInfoPtr pScrn)
 253 {
 254     modesettingPtr ms = modesettingPTR(pScrn);
 255
 256     if (ms->api && ms->api->destroy)
 257         ms->api->destroy(ms->api);
 258     ms->api = NULL;
 259
 260     drmClose(ms->fd);
 261     ms->fd = -1;
 262
 263     return TRUE;
 264 }
 265
 266 static Bool
 267 drv_init_resource_management(ScrnInfoPtr pScrn)
 268 {
 269     modesettingPtr ms = modesettingPTR(pScrn);
 270     /*
 271     ScreenPtr pScreen = pScrn->pScreen;
 272     PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
 273     Bool fbAccessDisabled;
 274     CARD8 *fbstart;
 275      */
 276
 277     if (ms->screen || ms->kms)
 278         return TRUE;
 279
 280     if (ms->api) {
 281         ms->screen = ms->api->create_screen(ms->api, ms->fd, NULL);
 282
 283         if (ms->screen)
 284             return TRUE;
 285
 286         if (ms->api->destroy)
 287             ms->api->destroy(ms->api);
 288
 289         ms->api = NULL;
 290     }
 291
 292 #ifdef HAVE_LIBKMS
 293     if (!kms_create(ms->fd, &ms->kms))
 294         return TRUE;
 295 #endif
 296
 297     return FALSE;
 298 }
 299
 300 static Bool
 301 drv_close_resource_management(ScrnInfoPtr pScrn)
 302 {
 303     modesettingPtr ms = modesettingPTR(pScrn);
 304     int i;
 305
 306     if (ms->screen) {
 307         assert(ms->ctx == NULL);
 308
 309         for (i = 0; i < XORG_NR_FENCES; i++) {
 310             if (ms->fence[i]) {
 311                 ms->screen->fence_finish(ms->screen, ms->fence[i], 0);
 312                 ms->screen->fence_reference(ms->screen, &ms->fence[i], NULL);
 313             }
 314         }
 315         ms->screen->destroy(ms->screen);
 316     }
 317     ms->screen = NULL;
 318
 319 #ifdef HAVE_LIBKMS
 320     if (ms->kms)
 321         kms_destroy(&ms->kms);
 322 #endif
 323
 324     return TRUE;
 325 }
 326
 327 static Bool
 328 drv_pre_init(ScrnInfoPtr pScrn, int flags)
 329 {
 330     xf86CrtcConfigPtr xf86_config;
 331     modesettingPtr ms;
 332     rgb defaultWeight = { 0, 0, 0 };
 333     EntityInfoPtr pEnt;
 334     EntPtr msEnt = NULL;
 335     int max_width, max_height;
 336
 337     if (pScrn->numEntities != 1)
 338         return FALSE;
 339
 340     pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
 341
 342     if (flags & PROBE_DETECT) {
 343         drv_probe_ddc(pScrn, pEnt->index);
 344         return TRUE;
 345     }
 346
 347     /* Allocate driverPrivate */
 348     if (!drv_get_rec(pScrn))
 349         return FALSE;
 350
 351     ms = modesettingPTR(pScrn);
 352     ms->SaveGeneration = -1;
 353     ms->pEnt = pEnt;
 354
 355     pScrn->displayWidth = 640;         /* default it */
 356
 357     if (ms->pEnt->location.type != BUS_PCI)
 358         return FALSE;
 359
 360     ms->PciInfo = xf86GetPciInfoForEntity(ms->pEnt->index);
 361
 362     /* Allocate an entity private if necessary */
 363     if (xf86IsEntityShared(pScrn->entityList[0])) {
 364         FatalError("Entity");
 365 #if 0
 366         msEnt = xf86GetEntityPrivate(pScrn->entityList[0],
 367                                      modesettingEntityIndex)->ptr;
 368         ms->entityPrivate = msEnt;
 369 #else
 370         (void)msEnt;
 371 #endif
 372     } else
 373         ms->entityPrivate = NULL;
 374
 375     if (xf86IsEntityShared(pScrn->entityList[0])) {
 376         if (xf86IsPrimInitDone(pScrn->entityList[0])) {
 377             /* do something */
 378         } else {
 379             xf86SetPrimInitDone(pScrn->entityList[0]);
 380         }
 381     }
 382
 383     ms->fd = -1;
 384     ms->api = NULL;
 385     if (!drv_init_drm(pScrn))
 386         return FALSE;
 387
 388     pScrn->monitor = pScrn->confScreen->monitor;
 389     pScrn->progClock = TRUE;
 390     pScrn->rgbBits = 8;
 391
 392     if (!xf86SetDepthBpp
 393         (pScrn, 0, 0, 0,
 394          PreferConvert24to32 | SupportConvert24to32 | Support32bppFb))
 395         return FALSE;
 396
 397     switch (pScrn->depth) {
 398     case 15:
 399     case 16:
 400     case 24:
 401         break;
 402     default:
 403         xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
 404                    "Given depth (%d) is not supported by the driver\n",
 405                    pScrn->depth);
 406         return FALSE;
 407     }
 408     xf86PrintDepthBpp(pScrn);
 409
 410     if (!xf86SetWeight(pScrn, defaultWeight, defaultWeight))
 411         return FALSE;
 412     if (!xf86SetDefaultVisual(pScrn, -1))
 413         return FALSE;
 414
 415     /* Process the options */
 416     xf86CollectOptions(pScrn, NULL);
 417     if (!(ms->Options = xalloc(sizeof(drv_options))))
 418         return FALSE;
 419     memcpy(ms->Options, drv_options, sizeof(drv_options));
 420     xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, ms->Options);
 421
 422     /* Allocate an xf86CrtcConfig */
 423     xf86CrtcConfigInit(pScrn, &crtc_config_funcs);
 424     xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
 425
 426     max_width = 8192;
 427     max_height = 8192;
 428     xf86CrtcSetSizeRange(pScrn, 320, 200, max_width, max_height);
 429
 430     if (xf86ReturnOptValBool(ms->Options, OPTION_SW_CURSOR, FALSE)) {
 431         ms->SWCursor = TRUE;
 432     }
 433
 434     drv_save_hw_state(pScrn);
 435
 436     xorg_crtc_init(pScrn);
 437     xorg_output_init(pScrn);
 438
 439     if (!xf86InitialConfiguration(pScrn, TRUE)) {
 440         xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "No valid modes.\n");
 441         drv_restore_hw_state(pScrn);
 442         return FALSE;
 443     }
 444
 445     drv_restore_hw_state(pScrn);
 446
 447     /*
 448      * If the driver can do gamma correction, it should call xf86SetGamma() here.
 449      */
 450     {
 451         Gamma zeros = { 0.0, 0.0, 0.0 };
 452
 453         if (!xf86SetGamma(pScrn, zeros)) {
 454             return FALSE;
 455         }
 456     }
 457
 458     if (pScrn->modes == NULL) {
 459         xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "No modes.\n");
 460         return FALSE;
 461     }
 462
 463     pScrn->currentMode = pScrn->modes;
 464
 465     /* Set display resolution */
 466     xf86SetDpi(pScrn, 0, 0);
 467
 468     /* Load the required sub modules */
 469     if (!xf86LoadSubModule(pScrn, "fb"))
 470         return FALSE;
 471
 472     /* XXX: these aren't needed when we are using libkms */
 473     if (!xf86LoadSubModule(pScrn, "exa"))
 474         return FALSE;
 475
 476 #ifdef DRI2
 477     if (!xf86LoadSubModule(pScrn, "dri2"))
 478         return FALSE;
 479 #endif
 480
 481     return TRUE;
 482 }
 483
 484 static Bool
 485 drv_save_hw_state(ScrnInfoPtr pScrn)
 486 {
 487     /*xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);*/
 488
 489     return TRUE;
 490 }
 491
 492 static Bool
 493 drv_restore_hw_state(ScrnInfoPtr pScrn)
 494 {
 495     /*xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);*/
 496
 497     return TRUE;
 498 }
 499
 500 static void drv_block_handler(int i, pointer blockData, pointer pTimeout,
 501                               pointer pReadmask)
 502 {
 503     ScreenPtr pScreen = screenInfo.screens[i];
 504     modesettingPtr ms = modesettingPTR(xf86Screens[pScreen->myNum]);
 505
 506     pScreen->BlockHandler = ms->blockHandler;
 507     pScreen->BlockHandler(i, blockData, pTimeout, pReadmask);
 508     pScreen->BlockHandler = drv_block_handler;
 509
 510     if (ms->ctx) {
 511        int j;
 512
 513        ms->ctx->flush(ms->ctx, PIPE_FLUSH_RENDER_CACHE, &ms->fence[XORG_NR_FENCES-1]);
 514
 515        if (ms->fence[0])
 516           ms->ctx->screen->fence_finish(ms->ctx->screen, ms->fence[0], 0);
 517
 518        /* The amount of rendering generated by a block handler can be
 519         * quite small.  Let us get a fair way ahead of hardware before
 520         * throttling.
 521         */
 522        for (j = 0; j < XORG_NR_FENCES - 1; j++)
 523           ms->screen->fence_reference(ms->screen,
 524                                       &ms->fence[j],
 525                                       ms->fence[j+1]);
 526
 527        ms->screen->fence_reference(ms->screen,
 528                                    &ms->fence[XORG_NR_FENCES-1],
 529                                    NULL);
 530     }
 531
 532
 533 #ifdef DRM_MODE_FEATURE_DIRTYFB
 534     {
 535         RegionPtr dirty = DamageRegion(ms->damage);
 536         unsigned num_cliprects = REGION_NUM_RECTS(dirty);
 537
 538         if (num_cliprects) {
 539             drmModeClip *clip = alloca(num_cliprects * sizeof(drmModeClip));
 540             BoxPtr rect = REGION_RECTS(dirty);
 541             int i, ret;
 542
 543             /* XXX no need for copy? */
 544             for (i = 0; i < num_cliprects; i++, rect++) {
 545                 clip[i].x1 = rect->x1;
 546                 clip[i].y1 = rect->y1;
 547                 clip[i].x2 = rect->x2;
 548                 clip[i].y2 = rect->y2;
 549             }
 550
 551             /* TODO query connector property to see if this is needed */
 552             ret = drmModeDirtyFB(ms->fd, ms->fb_id, clip, num_cliprects);
 553             if (ret) {
 554                 debug_printf("%s: failed to send dirty (%i, %s)\n",
 555                              __func__, ret, strerror(-ret));
 556             }
 557
 558             DamageEmpty(ms->damage);
 559         }
 560     }
 561 #endif
 562 }
 563
 564 static Bool
 565 drv_create_screen_resources(ScreenPtr pScreen)
 566 {
 567     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
 568     modesettingPtr ms = modesettingPTR(pScrn);
 569     PixmapPtr rootPixmap;
 570     Bool ret;
 571
 572     ms->noEvict = TRUE;
 573
 574     pScreen->CreateScreenResources = ms->createScreenResources;
 575     ret = pScreen->CreateScreenResources(pScreen);
 576     pScreen->CreateScreenResources = drv_create_screen_resources;
 577
 578     ms->bind_front_buffer(pScrn);
 579
 580     ms->noEvict = FALSE;
 581
 582     drv_adjust_frame(pScrn->scrnIndex, pScrn->frameX0, pScrn->frameY0, 0);
 583
 584 #ifdef DRM_MODE_FEATURE_DIRTYFB
 585     rootPixmap = pScreen->GetScreenPixmap(pScreen);
 586     ms->damage = DamageCreate(NULL, NULL, DamageReportNone, TRUE,
 587                               pScreen, rootPixmap);
 588
 589     if (ms->damage) {
 590        DamageRegister(&rootPixmap->drawable, ms->damage);
 591
 592        xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Damage tracking initialized\n");
 593     } else {
 594        xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
 595                   "Failed to create screen damage record\n");
 596        return FALSE;
 597     }
 598 #else
 599     (void)rootPixmap;
 600 #endif
 601
 602     return ret;
 603 }
 604
 605 static Bool
 606 drv_screen_init(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
 607 {
 608     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
 609     modesettingPtr ms = modesettingPTR(pScrn);
 610     VisualPtr visual;
 611
 612     if (!drv_init_drm(pScrn)) {
 613         FatalError("Could not init DRM");
 614         return FALSE;
 615     }
 616
 617     if (!drv_init_resource_management(pScrn)) {
 618         FatalError("Could not init resource management (!pipe_screen && !libkms)");
 619         return FALSE;
 620     }
 621
 622     if (!drv_init_front_buffer_functions(pScrn)) {
 623         FatalError("Could not init front buffer manager");
 624         return FALSE;
 625     }
 626
 627     pScrn->pScreen = pScreen;
 628
 629     /* HW dependent - FIXME */
 630     pScrn->displayWidth = pScrn->virtualX;
 631
 632     miClearVisualTypes();
 633
 634     if (!miSetVisualTypes(pScrn->depth,
 635                           miGetDefaultVisualMask(pScrn->depth),
 636                           pScrn->rgbBits, pScrn->defaultVisual))
 637         return FALSE;
 638
 639     if (!miSetPixmapDepths())
 640         return FALSE;
 641
 642     pScrn->memPhysBase = 0;
 643     pScrn->fbOffset = 0;
 644
 645     if (!fbScreenInit(pScreen, NULL,
 646                       pScrn->virtualX, pScrn->virtualY,
 647                       pScrn->xDpi, pScrn->yDpi,
 648                       pScrn->displayWidth, pScrn->bitsPerPixel))
 649         return FALSE;
 650
 651     if (pScrn->bitsPerPixel > 8) {
 652         /* Fixup RGB ordering */
 653         visual = pScreen->visuals + pScreen->numVisuals;
 654         while (--visual >= pScreen->visuals) {
 655             if ((visual->class | DynamicClass) == DirectColor) {
 656                 visual->offsetRed = pScrn->offset.red;
 657                 visual->offsetGreen = pScrn->offset.green;
 658                 visual->offsetBlue = pScrn->offset.blue;
 659                 visual->redMask = pScrn->mask.red;
 660                 visual->greenMask = pScrn->mask.green;
 661                 visual->blueMask = pScrn->mask.blue;
 662             }
 663         }
 664     }
 665
 666     fbPictureInit(pScreen, NULL, 0);
 667
 668     ms->blockHandler = pScreen->BlockHandler;
 669     pScreen->BlockHandler = drv_block_handler;
 670     ms->createScreenResources = pScreen->CreateScreenResources;
 671     pScreen->CreateScreenResources = drv_create_screen_resources;
 672
 673     xf86SetBlackWhitePixels(pScreen);
 674
 675     ms->accelerate_2d = xf86ReturnOptValBool(ms->Options, OPTION_2D_ACCEL, FALSE);
 676     ms->debug_fallback = xf86ReturnOptValBool(ms->Options, OPTION_DEBUG_FALLBACK, TRUE);
 677
 678     if (ms->screen) {
 679         ms->exa = xorg_exa_init(pScrn, ms->accelerate_2d);
 680
 681         xorg_xv_init(pScreen);
 682 #ifdef DRI2
 683         xorg_dri2_init(pScreen);
 684 #endif
 685     }
 686
 687     xf86DrvMsg(pScrn->scrnIndex, X_INFO, "2D Acceleration is %s\n",
 688                ms->screen && ms->accelerate_2d ? "enabled" : "disabled");
 689     xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Fallback debugging is %s\n",
 690                ms->debug_fallback ? "enabled" : "disabled");
 691 #ifdef DRI2
 692     xf86DrvMsg(pScrn->scrnIndex, X_INFO, "3D Acceleration is %s\n",
 693                ms->screen ? "enabled" : "disabled");
 694 #else
 695     xf86DrvMsg(pScrn->scrnIndex, X_INFO, "3D Acceleration is disabled\n");
 696 #endif
 697
 698     miInitializeBackingStore(pScreen);
 699     xf86SetBackingStore(pScreen);
 700     xf86SetSilkenMouse(pScreen);
 701     miDCInitialize(pScreen, xf86GetPointerScreenFuncs());
 702
 703     /* Need to extend HWcursor support to handle mask interleave */
 704     if (!ms->SWCursor)
 705         xf86_cursors_init(pScreen, 64, 64,
 706                           HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_64 |
 707                           HARDWARE_CURSOR_ARGB);
 708
 709     /* Must force it before EnterVT, so we are in control of VT and
 710      * later memory should be bound when allocating, e.g rotate_mem */
 711     pScrn->vtSema = TRUE;
 712
 713     pScreen->SaveScreen = xf86SaveScreen;
 714     ms->CloseScreen = pScreen->CloseScreen;
 715     pScreen->CloseScreen = drv_close_screen;
 716
 717     if (!xf86CrtcScreenInit(pScreen))
 718         return FALSE;
 719
 720     if (!miCreateDefColormap(pScreen))
 721         return FALSE;
 722
 723     xf86DPMSInit(pScreen, xf86DPMSSet, 0);
 724
 725     if (serverGeneration == 1)
 726         xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options);
 727
 728     if (ms->winsys_screen_init)
 729         ms->winsys_screen_init(pScrn);
 730
 731     return drv_enter_vt(scrnIndex, 1);
 732 }
 733
 734 static void
 735 drv_adjust_frame(int scrnIndex, int x, int y, int flags)
 736 {
 737     ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
 738     xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
 739     xf86OutputPtr output = config->output[config->compat_output];
 740     xf86CrtcPtr crtc = output->crtc;
 741
 742     if (crtc && crtc->enabled) {
 743         crtc->funcs->set_mode_major(crtc, pScrn->currentMode,
 744                                     RR_Rotate_0, x, y);
 745         crtc->x = output->initial_x + x;
 746         crtc->y = output->initial_y + y;
 747     }
 748 }
 749
 750 static void
 751 drv_free_screen(int scrnIndex, int flags)
 752 {
 753     drv_free_rec(xf86Screens[scrnIndex]);
 754 }
 755
 756 static void
 757 drv_leave_vt(int scrnIndex, int flags)
 758 {
 759     ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
 760     modesettingPtr ms = modesettingPTR(pScrn);
 761     xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
 762     int o;
 763
 764     if (ms->winsys_leave_vt)
 765         ms->winsys_leave_vt(pScrn);
 766
 767     for (o = 0; o < config->num_crtc; o++) {
 768         xf86CrtcPtr crtc = config->crtc[o];
 769
 770         xorg_crtc_cursor_destroy(crtc);
 771
 772         if (crtc->rotatedPixmap || crtc->rotatedData) {
 773             crtc->funcs->shadow_destroy(crtc, crtc->rotatedPixmap,
 774                                         crtc->rotatedData);
 775             crtc->rotatedPixmap = NULL;
 776             crtc->rotatedData = NULL;
 777         }
 778     }
 779
 780     drmModeRmFB(ms->fd, ms->fb_id);
 781
 782     drv_restore_hw_state(pScrn);
 783
 784     if (drmDropMaster(ms->fd))
 785         xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
 786                    "drmDropMaster failed: %s\n", strerror(errno));
 787
 788     pScrn->vtSema = FALSE;
 789 }
 790
 791 /*
 792  * This gets called when gaining control of the VT, and from ScreenInit().
 793  */
 794 static Bool
 795 drv_enter_vt(int scrnIndex, int flags)
 796 {
 797     ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
 798     modesettingPtr ms = modesettingPTR(pScrn);
 799
 800     if (drmSetMaster(ms->fd)) {
 801         if (errno == EINVAL) {
 802             xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
 803                        "drmSetMaster failed: 2.6.29 or newer kernel required for "
 804                        "multi-server DRI\n");
 805         } else {
 806             xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
 807                        "drmSetMaster failed: %s\n", strerror(errno));
 808         }
 809     }
 810
 811     /*
 812      * Only save state once per server generation since that's what most
 813      * drivers do.  Could change this to save state at each VT enter.
 814      */
 815     if (ms->SaveGeneration != serverGeneration) {
 816         ms->SaveGeneration = serverGeneration;
 817         drv_save_hw_state(pScrn);
 818     }
 819
 820     if (!ms->create_front_buffer(pScrn))
 821         return FALSE;
 822
 823     if (!flags && !ms->bind_front_buffer(pScrn))
 824         return FALSE;
 825
 826     if (!xf86SetDesiredModes(pScrn))
 827         return FALSE;
 828
 829     if (ms->winsys_enter_vt)
 830         ms->winsys_enter_vt(pScrn);
 831
 832     return TRUE;
 833 }
 834
 835 static Bool
 836 drv_switch_mode(int scrnIndex, DisplayModePtr mode, int flags)
 837 {
 838     ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
 839
 840     return xf86SetSingleMode(pScrn, mode, RR_Rotate_0);
 841 }
 842
 843 static Bool
 844 drv_close_screen(int scrnIndex, ScreenPtr pScreen)
 845 {
 846     ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
 847     modesettingPtr ms = modesettingPTR(pScrn);
 848
 849     if (pScrn->vtSema) {
 850         drv_leave_vt(scrnIndex, 0);
 851     }
 852
 853     if (ms->winsys_screen_close)
 854         ms->winsys_screen_close(pScrn);
 855
 856 #ifdef DRI2
 857     if (ms->screen)
 858         xorg_dri2_close(pScreen);
 859 #endif
 860
 861     pScreen->BlockHandler = ms->blockHandler;
 862     pScreen->CreateScreenResources = ms->createScreenResources;
 863
 864 #ifdef DRM_MODE_FEATURE_DIRTYFB
 865     if (ms->damage) {
 866         DamageUnregister(&pScreen->GetScreenPixmap(pScreen)->drawable, ms->damage);
 867         DamageDestroy(ms->damage);
 868         ms->damage = NULL;
 869     }
 870 #endif
 871
 872     drmModeRmFB(ms->fd, ms->fb_id);
 873     ms->destroy_front_buffer(pScrn);
 874
 875     if (ms->exa)
 876         xorg_exa_close(pScrn);
 877     ms->exa = NULL;
 878
 879     drv_close_resource_management(pScrn);
 880
 881     drv_close_drm(pScrn);
 882
 883     pScrn->vtSema = FALSE;
 884     pScreen->CloseScreen = ms->CloseScreen;
 885     return (*pScreen->CloseScreen) (scrnIndex, pScreen);
 886 }
 887
 888 static ModeStatus
 889 drv_valid_mode(int scrnIndex, DisplayModePtr mode, Bool verbose, int flags)
 890 {
 891     return MODE_OK;
 892 }
 893
 894
 895 /*
 896  * Front buffer backing store functions.
 897  */
 898
 899 static Bool
 900 drv_destroy_front_buffer_ga3d(ScrnInfoPtr pScrn)
 901 {
 902     modesettingPtr ms = modesettingPTR(pScrn);
 903     pipe_texture_reference(&ms->root_texture, NULL);
 904     return TRUE;
 905 }
 906
 907 static Bool
 908 drv_create_front_buffer_ga3d(ScrnInfoPtr pScrn)
 909 {
 910     modesettingPtr ms = modesettingPTR(pScrn);
 911     unsigned handle, stride;
 912     struct pipe_texture *tex;
 913     int ret;
 914
 915     ms->noEvict = TRUE;
 916
 917     tex = xorg_exa_create_root_texture(pScrn, pScrn->virtualX, pScrn->virtualY,
 918                                        pScrn->depth, pScrn->bitsPerPixel);
 919
 920     if (!tex)
 921         return FALSE;
 922
 923     if (!ms->api->local_handle_from_texture(ms->api, ms->screen,
 924                                             tex,
 925                                             &stride,
 926                                             &handle))
 927         goto err_destroy;
 928
 929     ret = drmModeAddFB(ms->fd,
 930                        pScrn->virtualX,
 931                        pScrn->virtualY,
 932                        pScrn->depth,
 933                        pScrn->bitsPerPixel,
 934                        stride,
 935                        handle,
 936                        &ms->fb_id);
 937     if (ret) {
 938         debug_printf("%s: failed to create framebuffer (%i, %s)",
 939                      __func__, ret, strerror(-ret));
 940         goto err_destroy;
 941     }
 942
 943     pScrn->frameX0 = 0;
 944     pScrn->frameY0 = 0;
 945     drv_adjust_frame(pScrn->scrnIndex, pScrn->frameX0, pScrn->frameY0, 0);
 946
 947     pipe_texture_reference(&ms->root_texture, tex);
 948     pipe_texture_reference(&tex, NULL);
 949
 950     return TRUE;
 951
 952 err_destroy:
 953     pipe_texture_reference(&tex, NULL);
 954     return FALSE;
 955 }
 956
 957 static Bool
 958 drv_bind_front_buffer_ga3d(ScrnInfoPtr pScrn)
 959 {
 960     modesettingPtr ms = modesettingPTR(pScrn);
 961     ScreenPtr pScreen = pScrn->pScreen;
 962     PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
 963     struct pipe_texture *check;
 964
 965     xorg_exa_set_displayed_usage(rootPixmap);
 966     xorg_exa_set_shared_usage(rootPixmap);
 967     xorg_exa_set_texture(rootPixmap, ms->root_texture);
 968     if (!pScreen->ModifyPixmapHeader(rootPixmap, -1, -1, -1, -1, -1, NULL))
 969         FatalError("Couldn't adjust screen pixmap\n");
 970
 971     check = xorg_exa_get_texture(rootPixmap);
 972     if (ms->root_texture != check)
 973         FatalError("Created new root texture\n");
 974
 975     pipe_texture_reference(&check, NULL);
 976     return TRUE;
 977 }
 978
 979 #ifdef HAVE_LIBKMS
 980 static Bool
 981 drv_destroy_front_buffer_kms(ScrnInfoPtr pScrn)
 982 {
 983     modesettingPtr ms = modesettingPTR(pScrn);
 984     ScreenPtr pScreen = pScrn->pScreen;
 985     PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
 986
 987     /* XXX Do something with the rootPixmap.
 988      * This currently works fine but if we are getting crashes in
 989      * the fb functions after VT switches maybe look more into it.
 990      */
 991     (void)rootPixmap;
 992
 993     if (!ms->root_bo)
 994         return TRUE;
 995
 996     kms_bo_unmap(ms->root_bo);
 997     kms_bo_destroy(&ms->root_bo);
 998     return TRUE;
 999 }
1000
1001 static Bool
1002 drv_create_front_buffer_kms(ScrnInfoPtr pScrn)
1003 {
1004     modesettingPtr ms = modesettingPTR(pScrn);
1005     unsigned handle, stride;
1006     struct kms_bo *bo;
1007     unsigned attr[8];
1008     int ret;
1009
1010     attr[0] = KMS_BO_TYPE;
1011     attr[1] = KMS_BO_TYPE_SCANOUT;
1012     attr[2] = KMS_WIDTH;
1013     attr[3] = pScrn->virtualX;
1014     attr[4] = KMS_HEIGHT;
1015     attr[5] = pScrn->virtualY;
1016     attr[6] = 0;
1017
1018     if (kms_bo_create(ms->kms, attr, &bo))
1019         return FALSE;
1020
1021     if (kms_bo_get_prop(bo, KMS_PITCH, &stride))
1022         goto err_destroy;
1023
1024     if (kms_bo_get_prop(bo, KMS_HANDLE, &handle))
1025         goto err_destroy;
1026
1027     ret = drmModeAddFB(ms->fd,
1028                        pScrn->virtualX,
1029                        pScrn->virtualY,
1030                        pScrn->depth,
1031                        pScrn->bitsPerPixel,
1032                        stride,
1033                        handle,
1034                        &ms->fb_id);
1035     if (ret) {
1036         debug_printf("%s: failed to create framebuffer (%i, %s)",
1037                      __func__, ret, strerror(-ret));
1038         goto err_destroy;
1039     }
1040
1041     pScrn->frameX0 = 0;
1042     pScrn->frameY0 = 0;
1043     drv_adjust_frame(pScrn->scrnIndex, pScrn->frameX0, pScrn->frameY0, 0);
1044     ms->root_bo = bo;
1045
1046     return TRUE;
1047
1048 err_destroy:
1049     kms_bo_destroy(&bo);
1050     return FALSE;
1051 }
1052
1053 static Bool
1054 drv_bind_front_buffer_kms(ScrnInfoPtr pScrn)
1055 {
1056     modesettingPtr ms = modesettingPTR(pScrn);
1057     ScreenPtr pScreen = pScrn->pScreen;
1058     PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
1059     unsigned stride;
1060     void *ptr;
1061
1062     if (kms_bo_get_prop(ms->root_bo, KMS_PITCH, &stride))
1063         return FALSE;
1064
1065     if (kms_bo_map(ms->root_bo, &ptr))
1066         goto err_destroy;
1067
1068     pScreen->ModifyPixmapHeader(rootPixmap,
1069                                 pScrn->virtualX,
1070                                 pScrn->virtualY,
1071                                 pScreen->rootDepth,
1072                                 pScrn->bitsPerPixel,
1073                                 stride,
1074                                 ptr);
1075
1076     /* This a hack to work around EnableDisableFBAccess setting the pointer
1077      * the real fix would be to replace pScrn->EnableDisableFBAccess hook
1078      * and set the rootPixmap->devPrivate.ptr to something valid before that.
1079      *
1080      * But in its infinit visdome something uses either this some times before
1081      * that, so our hook doesn't get called before the crash happens.
1082      */
1083     pScrn->pixmapPrivate.ptr = ptr;
1084
1085     return TRUE;
1086
1087 err_destroy:
1088     kms_bo_destroy(&ms->root_bo);
1089     return FALSE;
1090 }
1091 #endif /* HAVE_LIBKMS */
1092
1093 static Bool drv_init_front_buffer_functions(ScrnInfoPtr pScrn)
1094 {
1095     modesettingPtr ms = modesettingPTR(pScrn);
1096     if (ms->screen) {
1097         ms->destroy_front_buffer = drv_destroy_front_buffer_ga3d;
1098         ms->create_front_buffer = drv_create_front_buffer_ga3d;
1099         ms->bind_front_buffer = drv_bind_front_buffer_ga3d;
1100 #ifdef HAVE_LIBKMS
1101     } else if (ms->kms) {
1102         ms->destroy_front_buffer = drv_destroy_front_buffer_kms;
1103         ms->create_front_buffer = drv_create_front_buffer_kms;
1104         ms->bind_front_buffer = drv_bind_front_buffer_kms;
1105 #endif
1106     } else
1107         return FALSE;
1108
1109     return TRUE;
1110 }
1111
1112 /* vim: set sw=4 ts=8 sts=4: */