+
+#if DO_DEBUG && RADEON_COMMON && defined(RADEON_COMMON_FOR_R300)
+ RADEON_DEBUG = driParseDebugString(getenv("RADEON_DEBUG"), debug_control);
+#endif
+
+ /* parse information in __driConfigOptions */
+ driParseOptionInfo (&screen->optionCache,
+ __driConfigOptions, __driNConfigOptions);
+
+ /* This is first since which regions we map depends on whether or
+ * not we are using a PCI card.
+ */
+ screen->card_type = (dri_priv->IsPCI ? RADEON_CARD_PCI : RADEON_CARD_AGP);
+ {
+ int ret;
+
+#ifdef RADEON_PARAM_KERNEL_MM
+ ret = radeonGetParam( sPriv->fd, RADEON_PARAM_KERNEL_MM,
+ &screen->kernel_mm);
+
+ if (ret && ret != -EINVAL) {
+ FREE( screen );
+ fprintf(stderr, "drm_radeon_getparam_t (RADEON_OFFSET): %d\n", ret);
+ return NULL;
+ }
+
+ if (ret == -EINVAL)
+ screen->kernel_mm = 0;
+#endif
+
+ ret = radeonGetParam( sPriv->fd, RADEON_PARAM_GART_BUFFER_OFFSET,
+ &screen->gart_buffer_offset);
+
+ if (ret) {
+ FREE( screen );
+ fprintf(stderr, "drm_radeon_getparam_t (RADEON_PARAM_GART_BUFFER_OFFSET): %d\n", ret);
+ return NULL;
+ }
+
+ ret = radeonGetParam( sPriv->fd, RADEON_PARAM_GART_BASE,
+ &screen->gart_base);
+ if (ret) {
+ FREE( screen );
+ fprintf(stderr, "drm_radeon_getparam_t (RADEON_PARAM_GART_BASE): %d\n", ret);
+ return NULL;
+ }
+
+ ret = radeonGetParam( sPriv->fd, RADEON_PARAM_IRQ_NR,
+ &screen->irq);
+ if (ret) {
+ FREE( screen );
+ fprintf(stderr, "drm_radeon_getparam_t (RADEON_PARAM_IRQ_NR): %d\n", ret);
+ return NULL;
+ }
+ screen->drmSupportsCubeMapsR200 = (sPriv->drm_version.minor >= 7);
+ screen->drmSupportsBlendColor = (sPriv->drm_version.minor >= 11);
+ screen->drmSupportsTriPerf = (sPriv->drm_version.minor >= 16);
+ screen->drmSupportsFragShader = (sPriv->drm_version.minor >= 18);
+ screen->drmSupportsPointSprites = (sPriv->drm_version.minor >= 13);
+ screen->drmSupportsCubeMapsR100 = (sPriv->drm_version.minor >= 15);
+ screen->drmSupportsVertexProgram = (sPriv->drm_version.minor >= 25);
+ }
+
+ if (!screen->kernel_mm) {
+ screen->mmio.handle = dri_priv->registerHandle;
+ screen->mmio.size = dri_priv->registerSize;
+ if ( drmMap( sPriv->fd,
+ screen->mmio.handle,
+ screen->mmio.size,
+ &screen->mmio.map ) ) {
+ FREE( screen );
+ __driUtilMessage("%s: drmMap failed\n", __FUNCTION__ );
+ return NULL;
+ }
+
+ RADEONMMIO = screen->mmio.map;
+
+ screen->status.handle = dri_priv->statusHandle;
+ screen->status.size = dri_priv->statusSize;
+ if ( drmMap( sPriv->fd,
+ screen->status.handle,
+ screen->status.size,
+ &screen->status.map ) ) {
+ drmUnmap( screen->mmio.map, screen->mmio.size );
+ FREE( screen );
+ __driUtilMessage("%s: drmMap (2) failed\n", __FUNCTION__ );
+ return NULL;
+ }
+ screen->scratch = (__volatile__ uint32_t *)
+ ((GLubyte *)screen->status.map + RADEON_SCRATCH_REG_OFFSET);
+
+ screen->buffers = drmMapBufs( sPriv->fd );
+ if ( !screen->buffers ) {
+ drmUnmap( screen->status.map, screen->status.size );
+ drmUnmap( screen->mmio.map, screen->mmio.size );
+ FREE( screen );
+ __driUtilMessage("%s: drmMapBufs failed\n", __FUNCTION__ );
+ return NULL;
+ }
+
+ if ( dri_priv->gartTexHandle && dri_priv->gartTexMapSize ) {
+ screen->gartTextures.handle = dri_priv->gartTexHandle;
+ screen->gartTextures.size = dri_priv->gartTexMapSize;
+ if ( drmMap( sPriv->fd,
+ screen->gartTextures.handle,
+ screen->gartTextures.size,
+ (drmAddressPtr)&screen->gartTextures.map ) ) {
+ drmUnmapBufs( screen->buffers );
+ drmUnmap( screen->status.map, screen->status.size );
+ drmUnmap( screen->mmio.map, screen->mmio.size );
+ FREE( screen );
+ __driUtilMessage("%s: drmMap failed for GART texture area\n", __FUNCTION__);
+ return NULL;
+ }
+
+ screen->gart_texture_offset = dri_priv->gartTexOffset + screen->gart_base;
+ }
+ }
+
+
+ ret = radeon_set_screen_flags(screen, dri_priv->deviceID);
+ if (ret == -1)
+ return NULL;
+