2010-08-25 03:18:41 +07:00
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/* Common header for intel-gtt.ko and i915.ko */
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#ifndef _DRM_INTEL_GTT_H
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#define _DRM_INTEL_GTT_H
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2010-11-23 21:24:24 +07:00
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const struct intel_gtt {
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/* Size of memory reserved for graphics by the BIOS */
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unsigned int stolen_size;
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2010-08-25 03:18:41 +07:00
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/* Total number of gtt entries. */
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unsigned int gtt_total_entries;
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/* Part of the gtt that is mappable by the cpu, for those chips where
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* this is not the full gtt. */
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unsigned int gtt_mappable_entries;
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2010-11-06 17:18:58 +07:00
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/* Whether i915 needs to use the dmar apis or not. */
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unsigned int needs_dmar : 1;
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2011-10-18 05:51:55 +07:00
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/* Whether we idle the gpu before mapping/unmapping */
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unsigned int do_idle_maps : 1;
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2012-02-09 23:15:44 +07:00
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/* Share the scratch page dma with ppgtts. */
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dma_addr_t scratch_page_dma;
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2012-02-09 23:15:45 +07:00
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/* for ppgtt PDE access */
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u32 __iomem *gtt;
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2012-06-07 20:55:57 +07:00
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/* needed for ioremap in drm/i915 */
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phys_addr_t gma_bus_addr;
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2010-11-23 21:24:24 +07:00
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} *intel_gtt_get(void);
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2010-09-07 01:08:44 +07:00
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2012-06-08 20:55:40 +07:00
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int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev,
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struct agp_bridge_data *bridge);
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void intel_gmch_remove(void);
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2012-06-07 20:56:03 +07:00
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bool intel_enable_gtt(void);
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2010-11-06 00:12:18 +07:00
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void intel_gtt_chipset_flush(void);
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2010-11-06 17:18:58 +07:00
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void intel_gtt_unmap_memory(struct scatterlist *sg_list, int num_sg);
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void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries);
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int intel_gtt_map_memory(struct page **pages, unsigned int num_entries,
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struct scatterlist **sg_list, int *num_sg);
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void intel_gtt_insert_sg_entries(struct scatterlist *sg_list,
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unsigned int sg_len,
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unsigned int pg_start,
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unsigned int flags);
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void intel_gtt_insert_pages(unsigned int first_entry, unsigned int num_entries,
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struct page **pages, unsigned int flags);
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2010-11-06 00:04:52 +07:00
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/* Special gtt memory types */
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#define AGP_DCACHE_MEMORY 1
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#define AGP_PHYS_MEMORY 2
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/* New caching attributes for gen6/sandybridge */
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#define AGP_USER_CACHED_MEMORY_LLC_MLC (AGP_USER_TYPES + 2)
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#define AGP_USER_UNCACHED_MEMORY (AGP_USER_TYPES + 4)
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/* flag for GFDT type */
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#define AGP_USER_CACHED_MEMORY_GFDT (1 << 3)
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2012-04-02 15:08:35 +07:00
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#ifdef CONFIG_INTEL_IOMMU
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extern int intel_iommu_gfx_mapped;
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#endif
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2010-08-25 03:18:41 +07:00
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#endif
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