1 /* Common header for intel-gtt.ko and i915.ko */ 2 3 #ifndef _DRM_INTEL_GTT_H 4 #define _DRM_INTEL_GTT_H 5 6 void intel_gtt_get(u64 *gtt_total, size_t *stolen_size, 7 phys_addr_t *mappable_base, u64 *mappable_end); 8 9 int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev, 10 struct agp_bridge_data *bridge); 11 void intel_gmch_remove(void); 12 13 bool intel_enable_gtt(void); 14 15 void intel_gtt_chipset_flush(void); 16 void intel_gtt_insert_page(dma_addr_t addr, 17 unsigned int pg, 18 unsigned int flags); 19 void intel_gtt_insert_sg_entries(struct sg_table *st, 20 unsigned int pg_start, 21 unsigned int flags); 22 void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries); 23 24 /* Special gtt memory types */ 25 #define AGP_DCACHE_MEMORY 1 26 #define AGP_PHYS_MEMORY 2 27 28 /* flag for GFDT type */ 29 #define AGP_USER_CACHED_MEMORY_GFDT (1 << 3) 30 31 #ifdef CONFIG_INTEL_IOMMU 32 extern int intel_iommu_gfx_mapped; 33 #endif 34 35 #endif 36