LXR linux/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
   6void intel_gtt_get(u64 *gtt_total, size_t *stolen_size,
   7                   phys_addr_t *mappable_base, u64 *mappable_end);
   8
   9int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev,
  10                     struct agp_bridge_data *bridge);
  11void intel_gmch_remove(void);
  12
  13bool intel_enable_gtt(void);
  14
  15void intel_gtt_chipset_flush(void);
  16void intel_gtt_insert_page(dma_addr_t addr,
  17                           unsigned int pg,
  18                           unsigned int flags);
  19void intel_gtt_insert_sg_entries(struct sg_table *st,
  20                                 unsigned int pg_start,
  21                                 unsigned int flags);
  22void 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
  32extern int intel_iommu_gfx_mapped;
  33#endif
  34
  35#endif
  36