include/drm/intel-gtt.h

   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