Subversion Repositories Kolibri OS

Rev

Rev 3192 | Rev 3391 | Go to most recent revision | Blame | Compare with Previous | Last modification | View Log | Download | RSS feed

  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. struct agp_bridge_data;
  7.  
  8. struct intel_gtt {
  9.         /* Size of memory reserved for graphics by the BIOS */
  10.         unsigned int stolen_size;
  11.         /* Total number of gtt entries. */
  12.         unsigned int gtt_total_entries;
  13.         /* Part of the gtt that is mappable by the cpu, for those chips where
  14.          * this is not the full gtt. */
  15.         unsigned int gtt_mappable_entries;
  16.         /* Whether i915 needs to use the dmar apis or not. */
  17.         unsigned int needs_dmar : 1;
  18.         /* Whether we idle the gpu before mapping/unmapping */
  19.         unsigned int do_idle_maps : 1;
  20.         /* Share the scratch page dma with ppgtts. */
  21.         dma_addr_t scratch_page_dma;
  22.         struct page *scratch_page;
  23.         /* for ppgtt PDE access */
  24.         u32 __iomem *gtt;
  25.         /* needed for ioremap in drm/i915 */
  26.         phys_addr_t gma_bus_addr;
  27. } *intel_gtt_get(void);
  28.  
  29. int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev,
  30.                      struct agp_bridge_data *bridge);
  31. void intel_gmch_remove(void);
  32.  
  33. bool intel_enable_gtt(void);
  34.  
  35. void intel_gtt_chipset_flush(void);
  36. void intel_gtt_insert_sg_entries(struct sg_table *st,
  37.                                  unsigned int pg_start,
  38.                                  unsigned int flags);
  39. void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries);
  40.  
  41. /* Special gtt memory types */
  42. #define AGP_DCACHE_MEMORY       1
  43. #define AGP_PHYS_MEMORY         2
  44.  
  45. /* New caching attributes for gen6/sandybridge */
  46. #define AGP_USER_CACHED_MEMORY_LLC_MLC (AGP_USER_TYPES + 2)
  47. #define AGP_USER_UNCACHED_MEMORY (AGP_USER_TYPES + 4)
  48.  
  49. /* flag for GFDT type */
  50. #define AGP_USER_CACHED_MEMORY_GFDT (1 << 3)
  51.  
  52. #ifdef CONFIG_INTEL_IOMMU
  53. extern int intel_iommu_gfx_mapped;
  54. #endif
  55.  
  56. #endif
  57.