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(1, sizeof(modesettingRec));
 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     CustomizerPtr cust;
 337
 338     if (pScrn->numEntities != 1)
 339         return FALSE;
 340
 341     pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
 342
 343     if (flags & PROBE_DETECT) {
 344         drv_probe_ddc(pScrn, pEnt->index);
 345         return TRUE;
 346     }
 347
 348     cust = (CustomizerPtr) pScrn->driverPrivate;
 349     pScrn->driverPrivate = NULL;
 350
 351     /* Allocate driverPrivate */
 352     if (!drv_get_rec(pScrn))
 353         return FALSE;
 354
 355     ms = modesettingPTR(pScrn);
 356     ms->SaveGeneration = -1;
 357     ms->pEnt = pEnt;
 358     ms->cust = cust;
 359
 360     pScrn->displayWidth = 640;         /* default it */
 361
 362     if (ms->pEnt->location.type != BUS_PCI)
 363         return FALSE;
 364
 365     ms->PciInfo = xf86GetPciInfoForEntity(ms->pEnt->index);
 366
 367     /* Allocate an entity private if necessary */
 368     if (xf86IsEntityShared(pScrn->entityList[0])) {
 369         FatalError("Entity");
 370 #if 0
 371         msEnt = xf86GetEntityPrivate(pScrn->entityList[0],
 372                                      modesettingEntityIndex)->ptr;
 373         ms->entityPrivate = msEnt;
 374 #else
 375         (void)msEnt;
 376 #endif
 377     } else
 378         ms->entityPrivate = NULL;
 379
 380     if (xf86IsEntityShared(pScrn->entityList[0])) {
 381         if (xf86IsPrimInitDone(pScrn->entityList[0])) {
 382             /* do something */
 383         } else {
 384             xf86SetPrimInitDone(pScrn->entityList[0]);
 385         }
 386     }
 387
 388     ms->fd = -1;
 389     ms->api = NULL;
 390     if (!drv_init_drm(pScrn))
 391         return FALSE;
 392
 393     pScrn->monitor = pScrn->confScreen->monitor;
 394     pScrn->progClock = TRUE;
 395     pScrn->rgbBits = 8;
 396
 397     if (!xf86SetDepthBpp
 398         (pScrn, 0, 0, 0,
 399          PreferConvert24to32 | SupportConvert24to32 | Support32bppFb))
 400         return FALSE;
 401
 402     switch (pScrn->depth) {
 403     case 15:
 404     case 16:
 405     case 24:
 406         break;
 407     default:
 408         xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
 409                    "Given depth (%d) is not supported by the driver\n",
 410                    pScrn->depth);
 411         return FALSE;
 412     }
 413     xf86PrintDepthBpp(pScrn);
 414
 415     if (!xf86SetWeight(pScrn, defaultWeight, defaultWeight))
 416         return FALSE;
 417     if (!xf86SetDefaultVisual(pScrn, -1))
 418         return FALSE;
 419
 420     /* Process the options */
 421     xf86CollectOptions(pScrn, NULL);
 422     if (!(ms->Options = xalloc(sizeof(drv_options))))
 423         return FALSE;
 424     memcpy(ms->Options, drv_options, sizeof(drv_options));
 425     xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, ms->Options);
 426
 427     /* Allocate an xf86CrtcConfig */
 428     xf86CrtcConfigInit(pScrn, &crtc_config_funcs);
 429     xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
 430
 431     max_width = 8192;
 432     max_height = 8192;
 433     xf86CrtcSetSizeRange(pScrn, 320, 200, max_width, max_height);
 434
 435     if (xf86ReturnOptValBool(ms->Options, OPTION_SW_CURSOR, FALSE)) {
 436         ms->SWCursor = TRUE;
 437     }
 438
 439     drv_save_hw_state(pScrn);
 440
 441     xorg_crtc_init(pScrn);
 442     xorg_output_init(pScrn);
 443
 444     if (!xf86InitialConfiguration(pScrn, TRUE)) {
 445         xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "No valid modes.\n");
 446         drv_restore_hw_state(pScrn);
 447         return FALSE;
 448     }
 449
 450     drv_restore_hw_state(pScrn);
 451
 452     /*
 453      * If the driver can do gamma correction, it should call xf86SetGamma() here.
 454      */
 455     {
 456         Gamma zeros = { 0.0, 0.0, 0.0 };
 457
 458         if (!xf86SetGamma(pScrn, zeros)) {
 459             return FALSE;
 460         }
 461     }
 462
 463     if (pScrn->modes == NULL) {
 464         xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "No modes.\n");
 465         return FALSE;
 466     }
 467
 468     pScrn->currentMode = pScrn->modes;
 469
 470     /* Set display resolution */
 471     xf86SetDpi(pScrn, 0, 0);
 472
 473     /* Load the required sub modules */
 474     if (!xf86LoadSubModule(pScrn, "fb"))
 475         return FALSE;
 476
 477     /* XXX: these aren't needed when we are using libkms */
 478     if (!xf86LoadSubModule(pScrn, "exa"))
 479         return FALSE;
 480
 481 #ifdef DRI2
 482     if (!xf86LoadSubModule(pScrn, "dri2"))
 483         return FALSE;
 484 #endif
 485
 486     return TRUE;
 487 }
 488
 489 static Bool
 490 drv_save_hw_state(ScrnInfoPtr pScrn)
 491 {
 492     /*xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);*/
 493
 494     return TRUE;
 495 }
 496
 497 static Bool
 498 drv_restore_hw_state(ScrnInfoPtr pScrn)
 499 {
 500     /*xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);*/
 501
 502     return TRUE;
 503 }
 504
 505 static void drv_block_handler(int i, pointer blockData, pointer pTimeout,
 506                               pointer pReadmask)
 507 {
 508     ScreenPtr pScreen = screenInfo.screens[i];
 509     modesettingPtr ms = modesettingPTR(xf86Screens[pScreen->myNum]);
 510
 511     pScreen->BlockHandler = ms->blockHandler;
 512     pScreen->BlockHandler(i, blockData, pTimeout, pReadmask);
 513     pScreen->BlockHandler = drv_block_handler;
 514
 515     if (ms->ctx) {
 516        int j;
 517
 518        ms->ctx->flush(ms->ctx, PIPE_FLUSH_RENDER_CACHE, &ms->fence[XORG_NR_FENCES-1]);
 519
 520        if (ms->fence[0])
 521           ms->ctx->screen->fence_finish(ms->ctx->screen, ms->fence[0], 0);
 522
 523        /* The amount of rendering generated by a block handler can be
 524         * quite small.  Let us get a fair way ahead of hardware before
 525         * throttling.
 526         */
 527        for (j = 0; j < XORG_NR_FENCES - 1; j++)
 528           ms->screen->fence_reference(ms->screen,
 529                                       &ms->fence[j],
 530                                       ms->fence[j+1]);
 531
 532        ms->screen->fence_reference(ms->screen,
 533                                    &ms->fence[XORG_NR_FENCES-1],
 534                                    NULL);
 535     }
 536
 537
 538 #ifdef DRM_MODE_FEATURE_DIRTYFB
 539     {
 540         RegionPtr dirty = DamageRegion(ms->damage);
 541         unsigned num_cliprects = REGION_NUM_RECTS(dirty);
 542
 543         if (num_cliprects) {
 544             drmModeClip *clip = alloca(num_cliprects * sizeof(drmModeClip));
 545             BoxPtr rect = REGION_RECTS(dirty);
 546             int i, ret;
 547
 548             /* XXX no need for copy? */
 549             for (i = 0; i < num_cliprects; i++, rect++) {
 550                 clip[i].x1 = rect->x1;
 551                 clip[i].y1 = rect->y1;
 552                 clip[i].x2 = rect->x2;
 553                 clip[i].y2 = rect->y2;
 554             }
 555
 556             /* TODO query connector property to see if this is needed */
 557             ret = drmModeDirtyFB(ms->fd, ms->fb_id, clip, num_cliprects);
 558             if (ret) {
 559                 debug_printf("%s: failed to send dirty (%i, %s)\n",
 560                              __func__, ret, strerror(-ret));
 561             }
 562
 563             DamageEmpty(ms->damage);
 564         }
 565     }
 566 #endif
 567 }
 568
 569 static Bool
 570 drv_create_screen_resources(ScreenPtr pScreen)
 571 {
 572     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
 573     modesettingPtr ms = modesettingPTR(pScrn);
 574     PixmapPtr rootPixmap;
 575     Bool ret;
 576
 577     ms->noEvict = TRUE;
 578
 579     pScreen->CreateScreenResources = ms->createScreenResources;
 580     ret = pScreen->CreateScreenResources(pScreen);
 581     pScreen->CreateScreenResources = drv_create_screen_resources;
 582
 583     ms->bind_front_buffer(pScrn);
 584
 585     ms->noEvict = FALSE;
 586
 587     drv_adjust_frame(pScrn->scrnIndex, pScrn->frameX0, pScrn->frameY0, 0);
 588
 589 #ifdef DRM_MODE_FEATURE_DIRTYFB
 590     rootPixmap = pScreen->GetScreenPixmap(pScreen);
 591     ms->damage = DamageCreate(NULL, NULL, DamageReportNone, TRUE,
 592                               pScreen, rootPixmap);
 593
 594     if (ms->damage) {
 595        DamageRegister(&rootPixmap->drawable, ms->damage);
 596
 597        xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Damage tracking initialized\n");
 598     } else {
 599        xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
 600                   "Failed to create screen damage record\n");
 601        return FALSE;
 602     }
 603 #else
 604     (void)rootPixmap;
 605 #endif
 606
 607     return ret;
 608 }
 609
 610 static Bool
 611 drv_screen_init(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
 612 {
 613     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
 614     modesettingPtr ms = modesettingPTR(pScrn);
 615     VisualPtr visual;
 616     CustomizerPtr cust = ms->cust;
 617
 618     if (!drv_init_drm(pScrn)) {
 619         FatalError("Could not init DRM");
 620         return FALSE;
 621     }
 622
 623     if (!drv_init_resource_management(pScrn)) {
 624         FatalError("Could not init resource management (!pipe_screen && !libkms)");
 625         return FALSE;
 626     }
 627
 628     if (!drv_init_front_buffer_functions(pScrn)) {
 629         FatalError("Could not init front buffer manager");
 630         return FALSE;
 631     }
 632
 633     pScrn->pScreen = pScreen;
 634
 635     /* HW dependent - FIXME */
 636     pScrn->displayWidth = pScrn->virtualX;
 637
 638     miClearVisualTypes();
 639
 640     if (!miSetVisualTypes(pScrn->depth,
 641                           miGetDefaultVisualMask(pScrn->depth),
 642                           pScrn->rgbBits, pScrn->defaultVisual))
 643         return FALSE;
 644
 645     if (!miSetPixmapDepths())
 646         return FALSE;
 647
 648     pScrn->memPhysBase = 0;
 649     pScrn->fbOffset = 0;
 650
 651     if (!fbScreenInit(pScreen, NULL,
 652                       pScrn->virtualX, pScrn->virtualY,
 653                       pScrn->xDpi, pScrn->yDpi,
 654                       pScrn->displayWidth, pScrn->bitsPerPixel))
 655         return FALSE;
 656
 657     if (pScrn->bitsPerPixel > 8) {
 658         /* Fixup RGB ordering */
 659         visual = pScreen->visuals + pScreen->numVisuals;
 660         while (--visual >= pScreen->visuals) {
 661             if ((visual->class | DynamicClass) == DirectColor) {
 662                 visual->offsetRed = pScrn->offset.red;
 663                 visual->offsetGreen = pScrn->offset.green;
 664                 visual->offsetBlue = pScrn->offset.blue;
 665                 visual->redMask = pScrn->mask.red;
 666                 visual->greenMask = pScrn->mask.green;
 667                 visual->blueMask = pScrn->mask.blue;
 668             }
 669         }
 670     }
 671
 672     fbPictureInit(pScreen, NULL, 0);
 673
 674     ms->blockHandler = pScreen->BlockHandler;
 675     pScreen->BlockHandler = drv_block_handler;
 676     ms->createScreenResources = pScreen->CreateScreenResources;
 677     pScreen->CreateScreenResources = drv_create_screen_resources;
 678
 679     xf86SetBlackWhitePixels(pScreen);
 680
 681     ms->accelerate_2d = xf86ReturnOptValBool(ms->Options, OPTION_2D_ACCEL, FALSE);
 682     ms->debug_fallback = xf86ReturnOptValBool(ms->Options, OPTION_DEBUG_FALLBACK, ms->accelerate_2d);
 683
 684     if (ms->screen) {
 685         ms->exa = xorg_exa_init(pScrn, ms->accelerate_2d);
 686
 687         xorg_xv_init(pScreen);
 688 #ifdef DRI2
 689         xorg_dri2_init(pScreen);
 690 #endif
 691     }
 692
 693     xf86DrvMsg(pScrn->scrnIndex, X_INFO, "##################################\n");
 694     xf86DrvMsg(pScrn->scrnIndex, X_INFO, "# Usefull debugging info follows #\n");
 695     xf86DrvMsg(pScrn->scrnIndex, X_INFO, "##################################\n");
 696     xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Using %s backend\n",
 697                ms->screen ? "Gallium3D" : "libkms");
 698     xf86DrvMsg(pScrn->scrnIndex, X_INFO, "2D Acceleration is %s\n",
 699                ms->screen && ms->accelerate_2d ? "enabled" : "disabled");
 700     xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Fallback debugging is %s\n",
 701                ms->debug_fallback ? "enabled" : "disabled");
 702 #ifdef DRI2
 703     xf86DrvMsg(pScrn->scrnIndex, X_INFO, "3D Acceleration is %s\n",
 704                ms->screen ? "enabled" : "disabled");
 705 #else
 706     xf86DrvMsg(pScrn->scrnIndex, X_INFO, "3D Acceleration is disabled\n");
 707 #endif
 708     xf86DrvMsg(pScrn->scrnIndex, X_INFO, "##################################\n");
 709
 710     miInitializeBackingStore(pScreen);
 711     xf86SetBackingStore(pScreen);
 712     xf86SetSilkenMouse(pScreen);
 713     miDCInitialize(pScreen, xf86GetPointerScreenFuncs());
 714
 715     /* Need to extend HWcursor support to handle mask interleave */
 716     if (!ms->SWCursor)
 717         xf86_cursors_init(pScreen, 64, 64,
 718                           HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_64 |
 719                           HARDWARE_CURSOR_ARGB);
 720
 721     /* Must force it before EnterVT, so we are in control of VT and
 722      * later memory should be bound when allocating, e.g rotate_mem */
 723     pScrn->vtSema = TRUE;
 724
 725     pScreen->SaveScreen = xf86SaveScreen;
 726     ms->CloseScreen = pScreen->CloseScreen;
 727     pScreen->CloseScreen = drv_close_screen;
 728
 729     if (!xf86CrtcScreenInit(pScreen))
 730         return FALSE;
 731
 732     if (!miCreateDefColormap(pScreen))
 733         return FALSE;
 734
 735     xf86DPMSInit(pScreen, xf86DPMSSet, 0);
 736
 737     if (serverGeneration == 1)
 738         xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options);
 739
 740     if (cust && cust->winsys_screen_init)
 741         cust->winsys_screen_init(cust, ms->fd);
 742
 743     return drv_enter_vt(scrnIndex, 1);
 744 }
 745
 746 static void
 747 drv_adjust_frame(int scrnIndex, int x, int y, int flags)
 748 {
 749     ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
 750     xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
 751     xf86OutputPtr output = config->output[config->compat_output];
 752     xf86CrtcPtr crtc = output->crtc;
 753
 754     if (crtc && crtc->enabled) {
 755         crtc->funcs->set_mode_major(crtc, pScrn->currentMode,
 756                                     RR_Rotate_0, x, y);
 757         crtc->x = output->initial_x + x;
 758         crtc->y = output->initial_y + y;
 759     }
 760 }
 761
 762 static void
 763 drv_free_screen(int scrnIndex, int flags)
 764 {
 765     drv_free_rec(xf86Screens[scrnIndex]);
 766 }
 767
 768 static void
 769 drv_leave_vt(int scrnIndex, int flags)
 770 {
 771     ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
 772     modesettingPtr ms = modesettingPTR(pScrn);
 773     xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
 774     CustomizerPtr cust = ms->cust;
 775     int o;
 776
 777     if (cust && cust->winsys_leave_vt)
 778         cust->winsys_leave_vt(cust);
 779
 780     for (o = 0; o < config->num_crtc; o++) {
 781         xf86CrtcPtr crtc = config->crtc[o];
 782
 783         xorg_crtc_cursor_destroy(crtc);
 784
 785         if (crtc->rotatedPixmap || crtc->rotatedData) {
 786             crtc->funcs->shadow_destroy(crtc, crtc->rotatedPixmap,
 787                                         crtc->rotatedData);
 788             crtc->rotatedPixmap = NULL;
 789             crtc->rotatedData = NULL;
 790         }
 791     }
 792
 793     drmModeRmFB(ms->fd, ms->fb_id);
 794
 795     drv_restore_hw_state(pScrn);
 796
 797     if (drmDropMaster(ms->fd))
 798         xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
 799                    "drmDropMaster failed: %s\n", strerror(errno));
 800
 801     pScrn->vtSema = FALSE;
 802 }
 803
 804 /*
 805  * This gets called when gaining control of the VT, and from ScreenInit().
 806  */
 807 static Bool
 808 drv_enter_vt(int scrnIndex, int flags)
 809 {
 810     ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
 811     modesettingPtr ms = modesettingPTR(pScrn);
 812     CustomizerPtr cust = ms->cust;
 813
 814     if (drmSetMaster(ms->fd)) {
 815         if (errno == EINVAL) {
 816             xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
 817                        "drmSetMaster failed: 2.6.29 or newer kernel required for "
 818                        "multi-server DRI\n");
 819         } else {
 820             xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
 821                        "drmSetMaster failed: %s\n", strerror(errno));
 822         }
 823     }
 824
 825     /*
 826      * Only save state once per server generation since that's what most
 827      * drivers do.  Could change this to save state at each VT enter.
 828      */
 829     if (ms->SaveGeneration != serverGeneration) {
 830         ms->SaveGeneration = serverGeneration;
 831         drv_save_hw_state(pScrn);
 832     }
 833
 834     if (!ms->create_front_buffer(pScrn))
 835         return FALSE;
 836
 837     if (!flags && !ms->bind_front_buffer(pScrn))
 838         return FALSE;
 839
 840     if (!xf86SetDesiredModes(pScrn))
 841         return FALSE;
 842
 843     if (cust && cust->winsys_enter_vt)
 844         cust->winsys_enter_vt(cust);
 845
 846     return TRUE;
 847 }
 848
 849 static Bool
 850 drv_switch_mode(int scrnIndex, DisplayModePtr mode, int flags)
 851 {
 852     ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
 853
 854     return xf86SetSingleMode(pScrn, mode, RR_Rotate_0);
 855 }
 856
 857 static Bool
 858 drv_close_screen(int scrnIndex, ScreenPtr pScreen)
 859 {
 860     ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
 861     modesettingPtr ms = modesettingPTR(pScrn);
 862     CustomizerPtr cust = ms->cust;
 863
 864     if (pScrn->vtSema) {
 865         drv_leave_vt(scrnIndex, 0);
 866     }
 867
 868     if (cust && cust->winsys_screen_close)
 869         cust->winsys_screen_close(cust);
 870
 871 #ifdef DRI2
 872     if (ms->screen)
 873         xorg_dri2_close(pScreen);
 874 #endif
 875
 876     pScreen->BlockHandler = ms->blockHandler;
 877     pScreen->CreateScreenResources = ms->createScreenResources;
 878
 879 #ifdef DRM_MODE_FEATURE_DIRTYFB
 880     if (ms->damage) {
 881         DamageUnregister(&pScreen->GetScreenPixmap(pScreen)->drawable, ms->damage);
 882         DamageDestroy(ms->damage);
 883         ms->damage = NULL;
 884     }
 885 #endif
 886
 887     drmModeRmFB(ms->fd, ms->fb_id);
 888     ms->destroy_front_buffer(pScrn);
 889
 890     if (ms->exa)
 891         xorg_exa_close(pScrn);
 892     ms->exa = NULL;
 893
 894     drv_close_resource_management(pScrn);
 895
 896     drv_close_drm(pScrn);
 897
 898     pScrn->vtSema = FALSE;
 899     pScreen->CloseScreen = ms->CloseScreen;
 900     return (*pScreen->CloseScreen) (scrnIndex, pScreen);
 901 }
 902
 903 static ModeStatus
 904 drv_valid_mode(int scrnIndex, DisplayModePtr mode, Bool verbose, int flags)
 905 {
 906     return MODE_OK;
 907 }
 908
 909
 910 /*
 911  * Front buffer backing store functions.
 912  */
 913
 914 static Bool
 915 drv_destroy_front_buffer_ga3d(ScrnInfoPtr pScrn)
 916 {
 917     modesettingPtr ms = modesettingPTR(pScrn);
 918     pipe_texture_reference(&ms->root_texture, NULL);
 919     return TRUE;
 920 }
 921
 922 static Bool
 923 drv_create_front_buffer_ga3d(ScrnInfoPtr pScrn)
 924 {
 925     modesettingPtr ms = modesettingPTR(pScrn);
 926     unsigned handle, stride;
 927     struct pipe_texture *tex;
 928     int ret;
 929
 930     ms->noEvict = TRUE;
 931
 932     tex = xorg_exa_create_root_texture(pScrn, pScrn->virtualX, pScrn->virtualY,
 933                                        pScrn->depth, pScrn->bitsPerPixel);
 934
 935     if (!tex)
 936         return FALSE;
 937
 938     if (!ms->api->local_handle_from_texture(ms->api, ms->screen,
 939                                             tex,
 940                                             &stride,
 941                                             &handle))
 942         goto err_destroy;
 943
 944     ret = drmModeAddFB(ms->fd,
 945                        pScrn->virtualX,
 946                        pScrn->virtualY,
 947                        pScrn->depth,
 948                        pScrn->bitsPerPixel,
 949                        stride,
 950                        handle,
 951                        &ms->fb_id);
 952     if (ret) {
 953         debug_printf("%s: failed to create framebuffer (%i, %s)",
 954                      __func__, ret, strerror(-ret));
 955         goto err_destroy;
 956     }
 957
 958     pScrn->frameX0 = 0;
 959     pScrn->frameY0 = 0;
 960     drv_adjust_frame(pScrn->scrnIndex, pScrn->frameX0, pScrn->frameY0, 0);
 961
 962     pipe_texture_reference(&ms->root_texture, tex);
 963     pipe_texture_reference(&tex, NULL);
 964
 965     return TRUE;
 966
 967 err_destroy:
 968     pipe_texture_reference(&tex, NULL);
 969     return FALSE;
 970 }
 971
 972 static Bool
 973 drv_bind_front_buffer_ga3d(ScrnInfoPtr pScrn)
 974 {
 975     modesettingPtr ms = modesettingPTR(pScrn);
 976     ScreenPtr pScreen = pScrn->pScreen;
 977     PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
 978     struct pipe_texture *check;
 979
 980     xorg_exa_set_displayed_usage(rootPixmap);
 981     xorg_exa_set_shared_usage(rootPixmap);
 982     xorg_exa_set_texture(rootPixmap, ms->root_texture);
 983     if (!pScreen->ModifyPixmapHeader(rootPixmap, -1, -1, -1, -1, -1, NULL))
 984         FatalError("Couldn't adjust screen pixmap\n");
 985
 986     check = xorg_exa_get_texture(rootPixmap);
 987     if (ms->root_texture != check)
 988         FatalError("Created new root texture\n");
 989
 990     pipe_texture_reference(&check, NULL);
 991     return TRUE;
 992 }
 993
 994 #ifdef HAVE_LIBKMS
 995 static Bool
 996 drv_destroy_front_buffer_kms(ScrnInfoPtr pScrn)
 997 {
 998     modesettingPtr ms = modesettingPTR(pScrn);
 999     ScreenPtr pScreen = pScrn->pScreen;
1000     PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
1001
1002     /* XXX Do something with the rootPixmap.
1003      * This currently works fine but if we are getting crashes in
1004      * the fb functions after VT switches maybe look more into it.
1005      */
1006     (void)rootPixmap;
1007
1008     if (!ms->root_bo)
1009         return TRUE;
1010
1011     kms_bo_unmap(ms->root_bo);
1012     kms_bo_destroy(&ms->root_bo);
1013     return TRUE;
1014 }
1015
1016 static Bool
1017 drv_create_front_buffer_kms(ScrnInfoPtr pScrn)
1018 {
1019     modesettingPtr ms = modesettingPTR(pScrn);
1020     unsigned handle, stride;
1021     struct kms_bo *bo;
1022     unsigned attr[8];
1023     int ret;
1024
1025     attr[0] = KMS_BO_TYPE;
1026 #ifdef KMS_BO_TYPE_SCANOUT_X8R8G8B8
1027     attr[1] = KMS_BO_TYPE_SCANOUT_X8R8G8B8;
1028 #else
1029     attr[1] = KMS_BO_TYPE_SCANOUT;
1030 #endif
1031     attr[2] = KMS_WIDTH;
1032     attr[3] = pScrn->virtualX;
1033     attr[4] = KMS_HEIGHT;
1034     attr[5] = pScrn->virtualY;
1035     attr[6] = 0;
1036
1037     if (kms_bo_create(ms->kms, attr, &bo))
1038         return FALSE;
1039
1040     if (kms_bo_get_prop(bo, KMS_PITCH, &stride))
1041         goto err_destroy;
1042
1043     if (kms_bo_get_prop(bo, KMS_HANDLE, &handle))
1044         goto err_destroy;
1045
1046     ret = drmModeAddFB(ms->fd,
1047                        pScrn->virtualX,
1048                        pScrn->virtualY,
1049                        pScrn->depth,
1050                        pScrn->bitsPerPixel,
1051                        stride,
1052                        handle,
1053                        &ms->fb_id);
1054     if (ret) {
1055         debug_printf("%s: failed to create framebuffer (%i, %s)",
1056                      __func__, ret, strerror(-ret));
1057         goto err_destroy;
1058     }
1059
1060     pScrn->frameX0 = 0;
1061     pScrn->frameY0 = 0;
1062     drv_adjust_frame(pScrn->scrnIndex, pScrn->frameX0, pScrn->frameY0, 0);
1063     ms->root_bo = bo;
1064
1065     return TRUE;
1066
1067 err_destroy:
1068     kms_bo_destroy(&bo);
1069     return FALSE;
1070 }
1071
1072 static Bool
1073 drv_bind_front_buffer_kms(ScrnInfoPtr pScrn)
1074 {
1075     modesettingPtr ms = modesettingPTR(pScrn);
1076     ScreenPtr pScreen = pScrn->pScreen;
1077     PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
1078     unsigned stride;
1079     void *ptr;
1080
1081     if (kms_bo_get_prop(ms->root_bo, KMS_PITCH, &stride))
1082         return FALSE;
1083
1084     if (kms_bo_map(ms->root_bo, &ptr))
1085         goto err_destroy;
1086
1087     pScreen->ModifyPixmapHeader(rootPixmap,
1088                                 pScrn->virtualX,
1089                                 pScrn->virtualY,
1090                                 pScreen->rootDepth,
1091                                 pScrn->bitsPerPixel,
1092                                 stride,
1093                                 ptr);
1094
1095     /* This a hack to work around EnableDisableFBAccess setting the pointer
1096      * the real fix would be to replace pScrn->EnableDisableFBAccess hook
1097      * and set the rootPixmap->devPrivate.ptr to something valid before that.
1098      *
1099      * But in its infinit visdome something uses either this some times before
1100      * that, so our hook doesn't get called before the crash happens.
1101      */
1102     pScrn->pixmapPrivate.ptr = ptr;
1103
1104     return TRUE;
1105
1106 err_destroy:
1107     kms_bo_destroy(&ms->root_bo);
1108     return FALSE;
1109 }
1110 #endif /* HAVE_LIBKMS */
1111
1112 static Bool drv_init_front_buffer_functions(ScrnInfoPtr pScrn)
1113 {
1114     modesettingPtr ms = modesettingPTR(pScrn);
1115     if (ms->screen) {
1116         ms->destroy_front_buffer = drv_destroy_front_buffer_ga3d;
1117         ms->create_front_buffer = drv_create_front_buffer_ga3d;
1118         ms->bind_front_buffer = drv_bind_front_buffer_ga3d;
1119 #ifdef HAVE_LIBKMS
1120     } else if (ms->kms) {
1121         ms->destroy_front_buffer = drv_destroy_front_buffer_kms;
1122         ms->create_front_buffer = drv_create_front_buffer_kms;
1123         ms->bind_front_buffer = drv_bind_front_buffer_kms;
1124 #endif
1125     } else
1126         return FALSE;
1127
1128     return TRUE;
1129 }
1130
1131 CustomizerPtr xorg_customizer(ScrnInfoPtr pScrn)
1132 {
1133     return modesettingPTR(pScrn)->cust;
1134 }
1135
1136 Bool xorg_has_gallium(ScrnInfoPtr pScrn)
1137 {
1138     return modesettingPTR(pScrn)->screen != NULL;
1139 }
1140
1141 /* vim: set sw=4 ts=8 sts=4: */