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,
   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