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, 7 u32 *stolen_size, 8 phys_addr_t *mappable_base, 9 u64 *mappable_end); 10 11 int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev, 12 struct agp_bridge_data *bridge); 13 void intel_gmch_remove(void); 14 15 bool intel_enable_gtt(void); 16 17 void intel_gtt_chipset_flush(void); 18 void intel_gtt_insert_page(dma_addr_t addr, 19 unsigned int pg, 20 unsigned int flags); 21 void intel_gtt_insert_sg_entries(struct sg_table *st, 22 unsigned int pg_start, 23 unsigned int flags); 24 void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries); 25 26 /* Special gtt memory types */ 27 #define AGP_DCACHE_MEMORY 1 28 #define AGP_PHYS_MEMORY 2 29 30 /* flag for GFDT type */ 31 #define AGP_USER_CACHED_MEMORY_GFDT (1 << 3) 32 33 #ifdef CONFIG_INTEL_IOMMU 34 extern int intel_iommu_gfx_mapped; 35 #endif 36 37 #endif 38