2012-11-12 22:22:52 +01:00
|
|
|
/* Common header for intel-gtt.ko and i915.ko */
|
|
|
|
|
|
|
|
|
|
#ifndef _DRM_INTEL_GTT_H
|
|
|
|
|
#define _DRM_INTEL_GTT_H
|
|
|
|
|
|
|
|
|
|
struct agp_bridge_data;
|
|
|
|
|
|
2013-01-22 16:16:44 +01:00
|
|
|
struct intel_gtt {
|
2012-11-12 22:22:52 +01:00
|
|
|
/* Size of memory reserved for graphics by the BIOS */
|
|
|
|
|
unsigned int stolen_size;
|
|
|
|
|
/* Total number of gtt entries. */
|
|
|
|
|
unsigned int gtt_total_entries;
|
|
|
|
|
/* Part of the gtt that is mappable by the cpu, for those chips where
|
|
|
|
|
* this is not the full gtt. */
|
|
|
|
|
unsigned int gtt_mappable_entries;
|
|
|
|
|
/* Whether i915 needs to use the dmar apis or not. */
|
|
|
|
|
unsigned int needs_dmar : 1;
|
|
|
|
|
/* Whether we idle the gpu before mapping/unmapping */
|
|
|
|
|
unsigned int do_idle_maps : 1;
|
|
|
|
|
/* Share the scratch page dma with ppgtts. */
|
|
|
|
|
dma_addr_t scratch_page_dma;
|
|
|
|
|
/* for ppgtt PDE access */
|
|
|
|
|
u32 __iomem *gtt;
|
|
|
|
|
/* needed for ioremap in drm/i915 */
|
|
|
|
|
phys_addr_t gma_bus_addr;
|
|
|
|
|
} *intel_gtt_get(void);
|
|
|
|
|
|
|
|
|
|
int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev,
|
|
|
|
|
struct agp_bridge_data *bridge);
|
|
|
|
|
void intel_gmch_remove(void);
|
|
|
|
|
|
|
|
|
|
bool intel_enable_gtt(void);
|
|
|
|
|
|
|
|
|
|
void intel_gtt_chipset_flush(void);
|
|
|
|
|
void intel_gtt_insert_sg_entries(struct pagelist *st, unsigned int pg_start,
|
|
|
|
|
unsigned int flags);
|
|
|
|
|
void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries);
|
|
|
|
|
|
|
|
|
|
/* Special gtt memory types */
|
|
|
|
|
#define AGP_DCACHE_MEMORY 1
|
|
|
|
|
#define AGP_PHYS_MEMORY 2
|
|
|
|
|
|
|
|
|
|
/* New caching attributes for gen6/sandybridge */
|
|
|
|
|
#define AGP_USER_CACHED_MEMORY_LLC_MLC (AGP_USER_TYPES + 2)
|
|
|
|
|
#define AGP_USER_UNCACHED_MEMORY (AGP_USER_TYPES + 4)
|
|
|
|
|
|
|
|
|
|
/* flag for GFDT type */
|
|
|
|
|
#define AGP_USER_CACHED_MEMORY_GFDT (1 << 3)
|
|
|
|
|
|
|
|
|
|
#ifdef CONFIG_INTEL_IOMMU
|
|
|
|
|
extern int intel_iommu_gfx_mapped;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#endif
|
