2010-08-24 22:18:41 +02:00
|
|
|
/* Common header for intel-gtt.ko and i915.ko */
|
|
|
|
|
|
|
|
#ifndef _DRM_INTEL_GTT_H
|
|
|
|
#define _DRM_INTEL_GTT_H
|
2010-11-23 15:24:24 +01:00
|
|
|
|
|
|
|
const struct intel_gtt {
|
|
|
|
/* Size of memory reserved for graphics by the BIOS */
|
|
|
|
unsigned int stolen_size;
|
2010-08-24 22:18:41 +02:00
|
|
|
/* 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;
|
2010-11-06 11:18:58 +01:00
|
|
|
/* Whether i915 needs to use the dmar apis or not. */
|
|
|
|
unsigned int needs_dmar : 1;
|
2011-10-18 00:51:55 +02:00
|
|
|
/* Whether we idle the gpu before mapping/unmapping */
|
|
|
|
unsigned int do_idle_maps : 1;
|
2012-02-09 17:15:44 +01:00
|
|
|
/* Share the scratch page dma with ppgtts. */
|
|
|
|
dma_addr_t scratch_page_dma;
|
2012-02-09 17:15:45 +01:00
|
|
|
/* for ppgtt PDE access */
|
|
|
|
u32 __iomem *gtt;
|
2010-11-23 15:24:24 +01:00
|
|
|
} *intel_gtt_get(void);
|
2010-09-06 20:08:44 +02:00
|
|
|
|
2010-11-05 18:12:18 +01:00
|
|
|
void intel_gtt_chipset_flush(void);
|
2010-11-06 11:18:58 +01:00
|
|
|
void intel_gtt_unmap_memory(struct scatterlist *sg_list, int num_sg);
|
|
|
|
void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries);
|
|
|
|
int intel_gtt_map_memory(struct page **pages, unsigned int num_entries,
|
|
|
|
struct scatterlist **sg_list, int *num_sg);
|
|
|
|
void intel_gtt_insert_sg_entries(struct scatterlist *sg_list,
|
|
|
|
unsigned int sg_len,
|
|
|
|
unsigned int pg_start,
|
|
|
|
unsigned int flags);
|
|
|
|
void intel_gtt_insert_pages(unsigned int first_entry, unsigned int num_entries,
|
|
|
|
struct page **pages, unsigned int flags);
|
2010-11-05 18:04:52 +01:00
|
|
|
|
|
|
|
/* 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)
|
|
|
|
|
2012-04-02 10:08:35 +02:00
|
|
|
#ifdef CONFIG_INTEL_IOMMU
|
|
|
|
extern int intel_iommu_gfx_mapped;
|
|
|
|
#endif
|
|
|
|
|
2010-08-24 22:18:41 +02:00
|
|
|
#endif
|