src/mesa/drivers/dri/r300/radeon_screen.c

   1 /*
   2 Copyright (C) The Weather Channel, Inc.  2002.  All Rights Reserved.
   3
   4 The Weather Channel (TM) funded Tungsten Graphics to develop the
   5 initial release of the Radeon 8500 driver under the XFree86 license.
   6 This notice must be preserved.
   7
   8 Permission is hereby granted, free of charge, to any person obtaining
   9 a copy of this software and associated documentation files (the
  10 "Software"), to deal in the Software without restriction, including
  11 without limitation the rights to use, copy, modify, merge, publish,
  12 distribute, sublicense, and/or sell copies of the Software, and to
  13 permit persons to whom the Software is furnished to do so, subject to
  14 the following conditions:
  15
  16 The above copyright notice and this permission notice (including the
  17 next paragraph) shall be included in all copies or substantial
  18 portions of the Software.
  19
  20 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  23 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  24 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27
  28 **************************************************************************/
  29
  30 /**
  31  * \file radeon_screen.c
  32  * Screen initialization functions for the R200 driver.
  33  *
  34  * \author Keith Whitwell <keith@tungstengraphics.com>
  35  */
  36
  37 #include <dlfcn.h>
  38
  39 #include "glheader.h"
  40 #include "imports.h"
  41 #include "context.h"
  42
  43 #define STANDALONE_MMIO
  44 #include "radeon_screen.h"
  45 #include "r200_context.h"
  46 #include "r300_context.h"
  47 #include "radeon_ioctl.h"
  48 #include "r200_ioctl.h"
  49 #include "radeon_macros.h"
  50 #include "radeon_reg.h"
  51
  52 #include "utils.h"
  53 #include "vblank.h"
  54 #include "GL/internal/dri_interface.h"
  55
  56 /* R200 configuration
  57  */
  58 #include "xmlpool.h"
  59
  60 const char __driR200ConfigOptions[] =
  61 DRI_CONF_BEGIN
  62         DRI_CONF_SECTION_PERFORMANCE
  63                 DRI_CONF_TCL_MODE(DRI_CONF_TCL_CODEGEN)
  64                 DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS)
  65                 DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0)
  66                 DRI_CONF_MAX_TEXTURE_UNITS(4, 2, 6)
  67         DRI_CONF_SECTION_END
  68         DRI_CONF_SECTION_QUALITY
  69                 DRI_CONF_TEXTURE_DEPTH(DRI_CONF_TEXTURE_DEPTH_FB)
  70                 DRI_CONF_DEF_MAX_ANISOTROPY(1.0, "1.0,2.0,4.0,8.0,16.0")
  71                 DRI_CONF_NO_NEG_LOD_BIAS(false)
  72                 DRI_CONF_COLOR_REDUCTION(DRI_CONF_COLOR_REDUCTION_DITHER)
  73                 DRI_CONF_ROUND_MODE(DRI_CONF_ROUND_TRUNC)
  74                 DRI_CONF_DITHER_MODE(DRI_CONF_DITHER_XERRORDIFF)
  75         DRI_CONF_SECTION_END
  76         DRI_CONF_SECTION_DEBUG
  77                 DRI_CONF_NO_RAST(false)
  78         DRI_CONF_SECTION_END
  79         DRI_CONF_SECTION_SOFTWARE
  80                 DRI_CONF_ARB_VERTEX_PROGRAM(true)
  81                 DRI_CONF_NV_VERTEX_PROGRAM(false)
  82         DRI_CONF_SECTION_END
  83 DRI_CONF_END;
  84 static const GLuint __driR200NConfigOptions = 13;
  85
  86 /* TODO: integrate these into xmlpool.h! */
  87 #define DRI_CONF_MAX_TEXTURE_IMAGE_UNITS(def,min,max) \
  88 DRI_CONF_OPT_BEGIN_V(texture_image_units,int,def, # min ":" # max ) \
  89         DRI_CONF_DESC(en,"Number of texture image units") \
  90         DRI_CONF_DESC(de,"Anzahl der Textureinheiten") \
  91 DRI_CONF_OPT_END
  92
  93 #define DRI_CONF_MAX_TEXTURE_COORD_UNITS(def,min,max) \
  94 DRI_CONF_OPT_BEGIN_V(texture_coord_units,int,def, # min ":" # max ) \
  95         DRI_CONF_DESC(en,"Number of texture coordinate units") \
  96         DRI_CONF_DESC(de,"Anzahl der Texturkoordinateneinheiten") \
  97 DRI_CONF_OPT_END
  98
  99 #define DRI_CONF_COMMAND_BUFFER_SIZE(def,min,max) \
 100 DRI_CONF_OPT_BEGIN_V(command_buffer_size,int,def, # min ":" # max ) \
 101         DRI_CONF_DESC(en,"Size of command buffer (in KB)") \
 102         DRI_CONF_DESC(de,"Grösse des Befehlspuffers (in KB)") \
 103 DRI_CONF_OPT_END
 104
 105
 106 const char __driR300ConfigOptions[] =
 107 DRI_CONF_BEGIN
 108         DRI_CONF_SECTION_PERFORMANCE
 109                 DRI_CONF_TCL_MODE(DRI_CONF_TCL_CODEGEN)
 110                 DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS)
 111                 DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0)
 112                 DRI_CONF_MAX_TEXTURE_IMAGE_UNITS(16, 2, 16)
 113                 DRI_CONF_MAX_TEXTURE_COORD_UNITS(8, 2, 8)
 114                 DRI_CONF_COMMAND_BUFFER_SIZE(8, 8, 32)
 115         DRI_CONF_SECTION_END
 116         DRI_CONF_SECTION_QUALITY
 117                 DRI_CONF_TEXTURE_DEPTH(DRI_CONF_TEXTURE_DEPTH_FB)
 118                 DRI_CONF_DEF_MAX_ANISOTROPY(1.0, "1.0,2.0,4.0,8.0,16.0")
 119                 DRI_CONF_NO_NEG_LOD_BIAS(false)
 120                 DRI_CONF_COLOR_REDUCTION(DRI_CONF_COLOR_REDUCTION_DITHER)
 121                 DRI_CONF_ROUND_MODE(DRI_CONF_ROUND_TRUNC)
 122                 DRI_CONF_DITHER_MODE(DRI_CONF_DITHER_XERRORDIFF)
 123         DRI_CONF_SECTION_END
 124         DRI_CONF_SECTION_DEBUG
 125                 DRI_CONF_NO_RAST(false)
 126         DRI_CONF_SECTION_END
 127 DRI_CONF_END;
 128 static const GLuint __driR300NConfigOptions = 13;
 129
 130
 131 #ifndef RADEON_DEBUG
 132 int RADEON_DEBUG = 0;
 133 #endif
 134
 135 static const struct dri_debug_control debug_control[] = {
 136         {"fall", DEBUG_FALLBACKS},
 137         {"tex", DEBUG_TEXTURE},
 138         {"ioctl", DEBUG_IOCTL},
 139         {"prim", DEBUG_PRIMS},
 140         {"vert", DEBUG_VERTS},
 141         {"state", DEBUG_STATE},
 142         {"code", DEBUG_CODEGEN},
 143         {"vfmt", DEBUG_VFMT},
 144         {"vtxf", DEBUG_VFMT},
 145         {"verb", DEBUG_VERBOSE},
 146         {"dri", DEBUG_DRI},
 147         {"dma", DEBUG_DMA},
 148         {"san", DEBUG_SANITY},
 149         {"sync", DEBUG_SYNC},
 150         {"pix", DEBUG_PIXEL},
 151         {"mem", DEBUG_MEMORY},
 152         {NULL, 0}
 153 };
 154
 155 #if 1
 156 /* Including xf86PciInfo.h introduces a bunch of errors...
 157  */
 158 #define PCI_CHIP_R200_QD        0x5144  /* why do they have r200 names? */
 159 #define PCI_CHIP_R200_QE        0x5145  /* Those are all standard radeons */
 160 #define PCI_CHIP_R200_QF        0x5146
 161 #define PCI_CHIP_R200_QG        0x5147
 162 #define PCI_CHIP_R200_QY        0x5159
 163 #define PCI_CHIP_R200_QZ        0x515A
 164 #define PCI_CHIP_R200_LW        0x4C57
 165 #define PCI_CHIP_R200_LY        0x4C59
 166 #define PCI_CHIP_R200_LZ        0x4C5A
 167 #define PCI_CHIP_RV200_QW       0x5157  /* Radeon 7500 - not an R200 at all */
 168 #define PCI_CHIP_RV200_QX       0x5158
 169 #define PCI_CHIP_RS100_4136     0x4136  /* IGP RS100, RS200, RS250 are not R200 */
 170 #define PCI_CHIP_RS200_4137     0x4137
 171 #define PCI_CHIP_RS250_4237     0x4237
 172 #define PCI_CHIP_RS100_4336     0x4336
 173 #define PCI_CHIP_RS200_4337     0x4337
 174 #define PCI_CHIP_RS250_4437     0x4437
 175 #define PCI_CHIP_RS300_5834     0x5834  /* All RS300's are R200 */
 176 #define PCI_CHIP_RS300_5835     0x5835
 177 #define PCI_CHIP_RS300_5836     0x5836
 178 #define PCI_CHIP_RS300_5837     0x5837
 179 #define PCI_CHIP_R200_BB        0x4242  /* r200 (non-derived) start */
 180 #define PCI_CHIP_R200_BC        0x4243
 181 #define PCI_CHIP_R200_QH        0x5148
 182 #define PCI_CHIP_R200_QI        0x5149
 183 #define PCI_CHIP_R200_QJ        0x514A
 184 #define PCI_CHIP_R200_QK        0x514B
 185 #define PCI_CHIP_R200_QL        0x514C
 186 #define PCI_CHIP_R200_QM        0x514D
 187 #define PCI_CHIP_R200_QN        0x514E
 188 #define PCI_CHIP_R200_QO        0x514F  /* r200 (non-derived) end */
 189 /* are the R200 Qh (0x5168) and following needed too? They are not in xf86PciInfo.h
 190    but in the pci database. Maybe just secondary ports or something ? */
 191
 192 #define PCI_CHIP_R300_AD                0x4144
 193 #define PCI_CHIP_R300_AE                0x4145
 194 #define PCI_CHIP_R300_AF                0x4146
 195 #define PCI_CHIP_R300_AG                0x4147
 196 #define PCI_CHIP_RV350_AP               0x4150
 197 #define PCI_CHIP_RV350_NP               0x4E50
 198 #define PCI_CHIP_R300_ND                0x4E44
 199 #define PCI_CHIP_R300_NE                0x4E45
 200 #define PCI_CHIP_R300_NF                0x4E46
 201 #define PCI_CHIP_R300_NG                0x4E47
 202 #define PCI_CHIP_R350_NH                0x4E48
 203 #endif
 204
 205 #ifdef USE_NEW_INTERFACE
 206 static PFNGLXCREATECONTEXTMODES create_context_modes = NULL;
 207 #endif                          /* USE_NEW_INTERFACE */
 208
 209 static radeonScreenPtr __radeonScreen;
 210
 211 static int getSwapInfo(__DRIdrawablePrivate * dPriv, __DRIswapInfo * sInfo);
 212
 213 #ifdef USE_NEW_INTERFACE
 214 static __GLcontextModes *radeonFillInModes(unsigned pixel_bits,
 215                                          unsigned depth_bits,
 216                                          unsigned stencil_bits,
 217                                          GLboolean have_back_buffer)
 218 {
 219         __GLcontextModes *modes;
 220         __GLcontextModes *m;
 221         unsigned num_modes;
 222         unsigned depth_buffer_factor;
 223         unsigned back_buffer_factor;
 224         GLenum fb_format;
 225         GLenum fb_type;
 226
 227         /* Right now GLX_SWAP_COPY_OML isn't supported, but it would be easy
 228          * enough to add support.  Basically, if a context is created with an
 229          * fbconfig where the swap method is GLX_SWAP_COPY_OML, pageflipping
 230          * will never be used.
 231          */
 232         static const GLenum back_buffer_modes[] = {
 233                 GLX_NONE, GLX_SWAP_UNDEFINED_OML        /*, GLX_SWAP_COPY_OML */
 234         };
 235
 236         uint8_t depth_bits_array[2];
 237         uint8_t stencil_bits_array[2];
 238
 239         depth_bits_array[0] = depth_bits;
 240         depth_bits_array[1] = depth_bits;
 241
 242         /* Just like with the accumulation buffer, always provide some modes
 243          * with a stencil buffer.  It will be a sw fallback, but some apps won't
 244          * care about that.
 245          */
 246         stencil_bits_array[0] = 0;
 247         stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits;
 248
 249         depth_buffer_factor = ((depth_bits != 0)
 250                                || (stencil_bits != 0)) ? 2 : 1;
 251         back_buffer_factor = (have_back_buffer) ? 2 : 1;
 252
 253         num_modes = depth_buffer_factor * back_buffer_factor * 4;
 254
 255         if (pixel_bits == 16) {
 256                 fb_format = GL_RGB;
 257                 fb_type = GL_UNSIGNED_SHORT_5_6_5;
 258         } else {
 259                 fb_format = GL_BGRA;
 260                 fb_type = GL_UNSIGNED_INT_8_8_8_8_REV;
 261         }
 262
 263         modes = (*create_context_modes) (num_modes, sizeof(__GLcontextModes));
 264         m = modes;
 265         if (!driFillInModes(&m, fb_format, fb_type,
 266                             depth_bits_array, stencil_bits_array,
 267                             depth_buffer_factor, back_buffer_modes,
 268                             back_buffer_factor, GLX_TRUE_COLOR)) {
 269                 fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__,
 270                         __LINE__);
 271                 return NULL;
 272         }
 273
 274         if (!driFillInModes(&m, fb_format, fb_type,
 275                             depth_bits_array, stencil_bits_array,
 276                             depth_buffer_factor, back_buffer_modes,
 277                             back_buffer_factor, GLX_DIRECT_COLOR)) {
 278                 fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__,
 279                         __LINE__);
 280                 return NULL;
 281         }
 282
 283         /* Mark the visual as slow if there are "fake" stencil bits.
 284          */
 285         for (m = modes; m != NULL; m = m->next) {
 286                 if ((m->stencilBits != 0) && (m->stencilBits != stencil_bits)) {
 287                         m->visualRating = GLX_SLOW_CONFIG;
 288                 }
 289         }
 290
 291         return modes;
 292 }
 293 #endif                          /* USE_NEW_INTERFACE */
 294
 295 /* Create the device specific screen private data struct.
 296  */
 297 static radeonScreenPtr radeonCreateScreen(__DRIscreenPrivate * sPriv)
 298 {
 299         radeonScreenPtr screen;
 300         RADEONDRIPtr dri_priv = (RADEONDRIPtr) sPriv->pDevPriv;
 301         unsigned char *RADEONMMIO;
 302
 303         /* Allocate the private area */
 304         screen = (radeonScreenPtr) CALLOC(sizeof(*screen));
 305         if (!screen) {
 306                 __driUtilMessage
 307                     ("%s: Could not allocate memory for screen structure",
 308                      __FUNCTION__);
 309                 return NULL;
 310         }
 311
 312 #if DO_DEBUG
 313         RADEON_DEBUG = driParseDebugString(getenv("RADEON_DEBUG"), debug_control);
 314 #endif
 315
 316         /* Get family and potential quirks from the PCI device ID.
 317          */
 318         switch (dri_priv->deviceID) {
 319         case PCI_CHIP_R200_QD:
 320         case PCI_CHIP_R200_QE:
 321         case PCI_CHIP_R200_QF:
 322         case PCI_CHIP_R200_QG:
 323         case PCI_CHIP_R200_QY:
 324         case PCI_CHIP_R200_QZ:
 325         case PCI_CHIP_RV200_QW:
 326         case PCI_CHIP_RV200_QX:
 327         case PCI_CHIP_R200_LW:
 328         case PCI_CHIP_R200_LY:
 329         case PCI_CHIP_R200_LZ:
 330         case PCI_CHIP_RS100_4136:
 331         case PCI_CHIP_RS200_4137:
 332         case PCI_CHIP_RS250_4237:
 333         case PCI_CHIP_RS100_4336:
 334         case PCI_CHIP_RS200_4337:
 335         case PCI_CHIP_RS250_4437:
 336                 __driUtilMessage("radeonCreateScreen(): Device isn't an r200!\n");
 337                 FREE(screen);
 338                 return NULL;
 339
 340         case PCI_CHIP_RS300_5834:
 341         case PCI_CHIP_RS300_5835:
 342         case PCI_CHIP_RS300_5836:
 343         case PCI_CHIP_RS300_5837:
 344                 screen->chipset = RADEON_CHIP_UNREAL_R200;
 345                 break;
 346
 347         case PCI_CHIP_R200_BB:
 348         case PCI_CHIP_R200_BC:
 349         case PCI_CHIP_R200_QH:
 350         case PCI_CHIP_R200_QI:
 351         case PCI_CHIP_R200_QJ:
 352         case PCI_CHIP_R200_QK:
 353         case PCI_CHIP_R200_QL:
 354         case PCI_CHIP_R200_QM:
 355         case PCI_CHIP_R200_QN:
 356         case PCI_CHIP_R200_QO:
 357                 screen->chipset = RADEON_CHIP_REAL_R200 | RADEON_CHIPSET_TCL;
 358                 break;
 359
 360         /* TODO: Check all those chips for the exact flags required.
 361          */
 362         case PCI_CHIP_R300_AD:
 363         case PCI_CHIP_R300_AE:
 364         case PCI_CHIP_R300_AF:
 365         case PCI_CHIP_R300_AG:
 366         case PCI_CHIP_RV350_AP:
 367         case PCI_CHIP_RV350_NP:
 368                 screen->chipset = RADEON_CHIP_RV350;
 369                 break;
 370
 371         case PCI_CHIP_R300_ND: /* confirmed -- nh */
 372         case PCI_CHIP_R300_NE:
 373         case PCI_CHIP_R300_NF:
 374         case PCI_CHIP_R300_NG:
 375         case PCI_CHIP_R350_NH:
 376                 screen->chipset = RADEON_CHIP_R300;
 377                 break;
 378
 379         default:
 380                 fprintf(stderr,
 381                         "Unknown device ID %04X, please report. Assuming plain R300.\n",
 382                         dri_priv->deviceID);
 383                 screen->chipset = RADEON_CHIP_R300;
 384         }
 385
 386         /* Parse configuration */
 387         if (GET_CHIP(screen) >= RADEON_CHIP_R300) {
 388                 driParseOptionInfo(&screen->optionCache,
 389                                 __driR300ConfigOptions, __driR300NConfigOptions);
 390         } else {
 391                 driParseOptionInfo(&screen->optionCache,
 392                                 __driR200ConfigOptions, __driR200NConfigOptions);
 393         }
 394
 395         /* This is first since which regions we map depends on whether or
 396          * not we are using a PCI card.
 397          */
 398         screen->IsPCI = dri_priv->IsPCI;
 399
 400         {
 401                 int ret;
 402                 drm_radeon_getparam_t gp;
 403
 404                 gp.param = RADEON_PARAM_GART_BUFFER_OFFSET;
 405                 gp.value = &screen->gart_buffer_offset;
 406
 407                 ret = drmCommandWriteRead(sPriv->fd, DRM_RADEON_GETPARAM,
 408                                           &gp, sizeof(gp));
 409                 if (ret) {
 410                         FREE(screen);
 411                         fprintf(stderr,
 412                                 "drmRadeonGetParam (RADEON_PARAM_GART_BUFFER_OFFSET): %d\n",
 413                                 ret);
 414                         return NULL;
 415                 }
 416
 417                 if (sPriv->drmMinor >= 6) {
 418                         gp.param = RADEON_PARAM_GART_BASE;
 419                         gp.value = &screen->gart_base;
 420
 421                         ret =
 422                             drmCommandWriteRead(sPriv->fd, DRM_RADEON_GETPARAM,
 423                                                 &gp, sizeof(gp));
 424                         if (ret) {
 425                                 FREE(screen);
 426                                 fprintf(stderr,
 427                                         "drmR200GetParam (RADEON_PARAM_GART_BASE): %d\n",
 428                                         ret);
 429                                 return NULL;
 430                         }
 431
 432                         gp.param = RADEON_PARAM_IRQ_NR;
 433                         gp.value = &screen->irq;
 434
 435                         ret =
 436                             drmCommandWriteRead(sPriv->fd, DRM_RADEON_GETPARAM,
 437                                                 &gp, sizeof(gp));
 438                         if (ret) {
 439                                 FREE(screen);
 440                                 fprintf(stderr,
 441                                         "drmRadeonGetParam (RADEON_PARAM_IRQ_NR): %d\n",
 442                                         ret);
 443                                 return NULL;
 444                         }
 445
 446                         /* Check if kernel module is new enough to support cube maps */
 447                         screen->drmSupportsCubeMaps = (sPriv->drmMinor >= 7);
 448                         /* Check if kernel module is new enough to support blend color and
 449                            separate blend functions/equations */
 450                         screen->drmSupportsBlendColor = (sPriv->drmMinor >= 11);
 451
 452                 }
 453         }
 454
 455         screen->mmio.handle = dri_priv->registerHandle;
 456         screen->mmio.size = dri_priv->registerSize;
 457         if (drmMap(sPriv->fd,
 458                    screen->mmio.handle, screen->mmio.size, &screen->mmio.map)) {
 459                 FREE(screen);
 460                 __driUtilMessage("%s: drmMap failed\n", __FUNCTION__);
 461                 return NULL;
 462         }
 463
 464         RADEONMMIO = screen->mmio.map;
 465
 466         screen->status.handle = dri_priv->statusHandle;
 467         screen->status.size = dri_priv->statusSize;
 468         if (drmMap(sPriv->fd,
 469                    screen->status.handle,
 470                    screen->status.size, &screen->status.map)) {
 471                 drmUnmap(screen->mmio.map, screen->mmio.size);
 472                 FREE(screen);
 473                 __driUtilMessage("%s: drmMap (2) failed\n", __FUNCTION__);
 474                 return NULL;
 475         }
 476         screen->scratch = (__volatile__ uint32_t *)
 477             ((GLubyte *) screen->status.map + RADEON_SCRATCH_REG_OFFSET);
 478
 479         screen->buffers = drmMapBufs(sPriv->fd);
 480         if (!screen->buffers) {
 481                 drmUnmap(screen->status.map, screen->status.size);
 482                 drmUnmap(screen->mmio.map, screen->mmio.size);
 483                 FREE(screen);
 484                 __driUtilMessage("%s: drmMapBufs failed\n", __FUNCTION__);
 485                 return NULL;
 486         }
 487
 488         if (dri_priv->gartTexHandle && dri_priv->gartTexMapSize) {
 489
 490                 screen->gartTextures.handle = dri_priv->gartTexHandle;
 491                 screen->gartTextures.size = dri_priv->gartTexMapSize;
 492                 if (drmMap(sPriv->fd,
 493                            screen->gartTextures.handle,
 494                            screen->gartTextures.size,
 495                            (drmAddressPtr) & screen->gartTextures.map)) {
 496                         drmUnmapBufs(screen->buffers);
 497                         drmUnmap(screen->status.map, screen->status.size);
 498                         drmUnmap(screen->mmio.map, screen->mmio.size);
 499                         FREE(screen);
 500                         __driUtilMessage
 501                             ("%s: drmMAP failed for GART texture area\n",
 502                              __FUNCTION__);
 503                         return NULL;
 504                 }
 505
 506                 screen->gart_texture_offset =
 507                     dri_priv->gartTexOffset +
 508                     (screen->IsPCI ? INREG(RADEON_AIC_LO_ADDR)
 509                      : ((INREG(RADEON_MC_AGP_LOCATION) & 0x0ffffU) << 16));
 510         }
 511
 512         screen->cpp = dri_priv->bpp / 8;
 513         screen->AGPMode = dri_priv->AGPMode;
 514
 515         screen->fbLocation = (INREG(RADEON_MC_FB_LOCATION) & 0xffff) << 16;
 516
 517         if (sPriv->drmMinor >= 10) {
 518                 drm_radeon_setparam_t sp;
 519
 520                 sp.param = RADEON_SETPARAM_FB_LOCATION;
 521                 sp.value = screen->fbLocation;
 522
 523                 drmCommandWrite(sPriv->fd, DRM_RADEON_SETPARAM,
 524                                 &sp, sizeof(sp));
 525         }
 526
 527         screen->frontOffset = dri_priv->frontOffset;
 528         screen->frontPitch = dri_priv->frontPitch;
 529         screen->backOffset = dri_priv->backOffset;
 530         screen->backPitch = dri_priv->backPitch;
 531         screen->depthOffset = dri_priv->depthOffset;
 532         screen->depthPitch = dri_priv->depthPitch;
 533
 534         screen->texOffset[RADEON_LOCAL_TEX_HEAP] = dri_priv->textureOffset
 535             + screen->fbLocation;
 536         screen->texSize[RADEON_LOCAL_TEX_HEAP] = dri_priv->textureSize;
 537         screen->logTexGranularity[RADEON_LOCAL_TEX_HEAP] =
 538             dri_priv->log2TexGran;
 539
 540         if (!screen->gartTextures.map) {
 541                 screen->numTexHeaps = RADEON_NR_TEX_HEAPS - 1;
 542                 screen->texOffset[RADEON_GART_TEX_HEAP] = 0;
 543                 screen->texSize[RADEON_GART_TEX_HEAP] = 0;
 544                 screen->logTexGranularity[RADEON_GART_TEX_HEAP] = 0;
 545         } else {
 546                 screen->numTexHeaps = RADEON_NR_TEX_HEAPS;
 547                 screen->texOffset[RADEON_GART_TEX_HEAP] =
 548                     screen->gart_texture_offset;
 549                 screen->texSize[RADEON_GART_TEX_HEAP] =
 550                     dri_priv->gartTexMapSize;
 551                 screen->logTexGranularity[RADEON_GART_TEX_HEAP] =
 552                     dri_priv->log2GARTTexGran;
 553         }
 554
 555         screen->driScreen = sPriv;
 556         screen->sarea_priv_offset = dri_priv->sarea_priv_offset;
 557
 558         if (driCompareGLXAPIVersion(20030813) >= 0) {
 559                 PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension =
 560                     (PFNGLXSCRENABLEEXTENSIONPROC)
 561                     glXGetProcAddress((const GLubyte *)
 562                                       "__glXScrEnableExtension");
 563                 void *const psc = sPriv->psc->screenConfigs;
 564
 565                 if (glx_enable_extension != NULL) {
 566                         if (screen->irq != 0) {
 567                                 (*glx_enable_extension) (psc,
 568                                                          "GLX_SGI_swap_control");
 569                                 (*glx_enable_extension) (psc,
 570                                                          "GLX_SGI_video_sync");
 571                                 (*glx_enable_extension) (psc,
 572                                                          "GLX_MESA_swap_control");
 573                         }
 574
 575                         (*glx_enable_extension) (psc,
 576                                                  "GLX_MESA_swap_frame_usage");
 577
 578                         if (driCompareGLXAPIVersion(20030818) >= 0) {
 579                                 sPriv->psc->allocateMemory =
 580                                     (void *)r200AllocateMemoryMESA;
 581                                 sPriv->psc->freeMemory =
 582                                     (void *)r200FreeMemoryMESA;
 583                                 sPriv->psc->memoryOffset =
 584                                     (void *)r200GetMemoryOffsetMESA;
 585
 586                                 (*glx_enable_extension) (psc,
 587                                                          "GLX_MESA_allocate_memory");
 588                         }
 589
 590                         if (driCompareGLXAPIVersion(20030915) >= 0) {
 591                                 (*glx_enable_extension) (psc,
 592                                                          "GLX_SGIX_fbconfig");
 593                                 (*glx_enable_extension) (psc,
 594                                                          "GLX_OML_swap_method");
 595                         }
 596                 }
 597         }
 598         return screen;
 599 }
 600
 601 /* Destroy the device specific screen private data struct.
 602  */
 603 static void radeonDestroyScreen(__DRIscreenPrivate * sPriv)
 604 {
 605         radeonScreenPtr screen = (radeonScreenPtr) sPriv->private;
 606
 607         if (!screen)
 608                 return;
 609
 610         if (screen->gartTextures.map) {
 611                 drmUnmap(screen->gartTextures.map, screen->gartTextures.size);
 612         }
 613         drmUnmapBufs(screen->buffers);
 614         drmUnmap(screen->status.map, screen->status.size);
 615         drmUnmap(screen->mmio.map, screen->mmio.size);
 616
 617         /* free all option information */
 618         driDestroyOptionInfo(&screen->optionCache);
 619
 620         FREE(screen);
 621         sPriv->private = NULL;
 622 }
 623
 624 /* Initialize the driver specific screen private data.
 625  */
 626 static GLboolean radeonInitDriver(__DRIscreenPrivate * sPriv)
 627 {
 628         __radeonScreen = radeonCreateScreen(sPriv);
 629
 630         sPriv->private = (void *)__radeonScreen;
 631
 632         return sPriv->private ? GL_TRUE : GL_FALSE;
 633 }
 634
 635 /**
 636  * Create and initialize the Mesa and driver specific pixmap buffer
 637  * data.
 638  *
 639  * \todo This function (and its interface) will need to be updated to support
 640  * pbuffers.
 641  */
 642 static GLboolean
 643 radeonCreateBuffer(__DRIscreenPrivate * driScrnPriv,
 644                    __DRIdrawablePrivate * driDrawPriv,
 645                    const __GLcontextModes * mesaVis, GLboolean isPixmap)
 646 {
 647         if (isPixmap) {
 648                 return GL_FALSE;        /* not implemented */
 649         } else {
 650                 const GLboolean swDepth = GL_FALSE;
 651                 const GLboolean swAlpha = GL_FALSE;
 652                 const GLboolean swAccum = mesaVis->accumRedBits > 0;
 653                 const GLboolean swStencil = mesaVis->stencilBits > 0 &&
 654                     mesaVis->depthBits != 24;
 655                 driDrawPriv->driverPrivate = (void *)
 656                     _mesa_create_framebuffer(mesaVis,
 657                                              swDepth,
 658                                              swStencil, swAccum, swAlpha);
 659                 return (driDrawPriv->driverPrivate != NULL);
 660         }
 661 }
 662
 663 static void radeonDestroyBuffer(__DRIdrawablePrivate * driDrawPriv)
 664 {
 665         _mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->
 666                                                      driverPrivate));
 667 }
 668
 669
 670 /**
 671  * Choose the appropriate CreateContext function based on the chipset.
 672  */
 673 static GLboolean radeonCreateContext(const __GLcontextModes * glVisual,
 674                                      __DRIcontextPrivate * driContextPriv,
 675                                      void *sharedContextPriv)
 676 {
 677         __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
 678         radeonScreenPtr screen = (radeonScreenPtr) (sPriv->private);
 679         int chip = GET_CHIP(screen);
 680
 681         if (chip >= RADEON_CHIP_R300)
 682                 return r300CreateContext(glVisual, driContextPriv, sharedContextPriv);
 683         else
 684                 return r200CreateContext(glVisual, driContextPriv, sharedContextPriv);
 685 }
 686
 687
 688 /**
 689  * Choose the appropriate DestroyContext function based on the chipset.
 690  */
 691 static void radeonDestroyContext(__DRIcontextPrivate * driContextPriv)
 692 {
 693         radeonContextPtr radeon = (radeonContextPtr) driContextPriv->driverPrivate;
 694         int chip = GET_CHIP(radeon->radeonScreen);
 695
 696         if (chip >= RADEON_CHIP_R300)
 697                 return r300DestroyContext(driContextPriv);
 698         else
 699                 return r200DestroyContext(driContextPriv);
 700 }
 701
 702
 703 static const struct __DriverAPIRec radeonAPI = {
 704         .InitDriver = radeonInitDriver,
 705         .DestroyScreen = radeonDestroyScreen,
 706         .CreateContext = radeonCreateContext,
 707         .DestroyContext = radeonDestroyContext,
 708         .CreateBuffer = radeonCreateBuffer,
 709         .DestroyBuffer = radeonDestroyBuffer,
 710         .SwapBuffers = radeonSwapBuffers,
 711         .MakeCurrent = radeonMakeCurrent,
 712         .UnbindContext = radeonUnbindContext,
 713         .GetSwapInfo = getSwapInfo,
 714         .GetMSC = driGetMSC32,
 715         .WaitForMSC = driWaitForMSC32,
 716         .WaitForSBC = NULL,
 717         .SwapBuffersMSC = NULL
 718 };
 719
 720 /*
 721  * This is the bootstrap function for the driver.
 722  * The __driCreateScreen name is the symbol that libGL.so fetches.
 723  * Return:  pointer to a __DRIscreenPrivate.
 724  *
 725  */
 726 #if !defined(DRI_NEW_INTERFACE_ONLY)
 727 void *__driCreateScreen(Display * dpy, int scrn, __DRIscreen * psc,
 728                         int numConfigs, __GLXvisualConfig * config)
 729 {
 730         __DRIscreenPrivate *psp;
 731         psp =
 732             __driUtilCreateScreen(dpy, scrn, psc, numConfigs, config, &radeonAPI);
 733         return (void *)psp;
 734 }
 735 #endif                          /* !defined(DRI_NEW_INTERFACE_ONLY) */
 736
 737 /**
 738  * This is the bootstrap function for the driver.  libGL supplies all of the
 739  * requisite information about the system, and the driver initializes itself.
 740  * This routine also fills in the linked list pointed to by \c driver_modes
 741  * with the \c __GLcontextModes that the driver can support for windows or
 742  * pbuffers.
 743  *
 744  * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on
 745  *         failure.
 746  */
 747 #ifdef USE_NEW_INTERFACE
 748 void *__driCreateNewScreen(__DRInativeDisplay * dpy, int scrn,
 749                            __DRIscreen * psc, const __GLcontextModes * modes,
 750                            const __DRIversion * ddx_version,
 751                            const __DRIversion * dri_version,
 752                            const __DRIversion * drm_version,
 753                            const __DRIframebuffer * frame_buffer,
 754                            drmAddress pSAREA, int fd, int internal_api_version,
 755                            __GLcontextModes ** driver_modes)
 756 {
 757         __DRIscreenPrivate *psp;
 758         static const __DRIversion ddx_expected = { 4, 0, 0 };
 759         static const __DRIversion dri_expected = { 4, 0, 0 };
 760         static const __DRIversion drm_expected = { 1, 11, 1 };
 761
 762         if (!driCheckDriDdxDrmVersions2("R300",
 763                                         dri_version, &dri_expected,
 764                                         ddx_version, &ddx_expected,
 765                                         drm_version, &drm_expected)) {
 766                 return NULL;
 767         }
 768
 769         psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
 770                                        ddx_version, dri_version, drm_version,
 771                                        frame_buffer, pSAREA, fd,
 772                                        internal_api_version, &radeonAPI);
 773         if (psp != NULL) {
 774                 create_context_modes = (PFNGLXCREATECONTEXTMODES)
 775                     glXGetProcAddress((const GLubyte *)
 776                                       "__glXCreateContextModes");
 777                 if (create_context_modes != NULL) {
 778                         RADEONDRIPtr dri_priv = (RADEONDRIPtr) psp->pDevPriv;
 779                         *driver_modes = radeonFillInModes(dri_priv->bpp,
 780                                                         (dri_priv->bpp ==
 781                                                          16) ? 16 : 24,
 782                                                         (dri_priv->bpp ==
 783                                                          16) ? 0 : 8,
 784                                                         (dri_priv->backOffset !=
 785                                                          dri_priv->
 786                                                          depthOffset));
 787                 }
 788         }
 789
 790         return (void *)psp;
 791 }
 792 #endif                          /* USE_NEW_INTERFACE */
 793
 794 /**
 795  * Get information about previous buffer swaps.
 796  */
 797 static int getSwapInfo(__DRIdrawablePrivate * dPriv, __DRIswapInfo * sInfo)
 798 {
 799         radeonContextPtr radeon;
 800
 801         if ((dPriv == NULL) || (dPriv->driContextPriv == NULL)
 802             || (dPriv->driContextPriv->driverPrivate == NULL)
 803             || (sInfo == NULL)) {
 804                 return -1;
 805         }
 806
 807         radeon = (radeonContextPtr) dPriv->driContextPriv->driverPrivate;
 808         sInfo->swap_count = radeon->swap_count;
 809         sInfo->swap_ust = radeon->swap_ust;
 810         sInfo->swap_missed_count = radeon->swap_missed_count;
 811
 812         sInfo->swap_missed_usage = (sInfo->swap_missed_count != 0)
 813             ? driCalculateSwapUsage(dPriv, 0, radeon->swap_missed_ust)
 814             : 0.0;
 815
 816         return 0;
 817 }