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