Daniel Vetter | 0ade638 | 2010-08-24 22:18:41 +0200 | [diff] [blame] | 1 | /* Common header for intel-gtt.ko and i915.ko */ |
| 2 | |
| 3 | #ifndef _DRM_INTEL_GTT_H |
| 4 | #define _DRM_INTEL_GTT_H |
Chris Wilson | c64f7ba | 2010-11-23 14:24:24 +0000 | [diff] [blame] | 5 | |
| 6 | const struct intel_gtt { |
| 7 | /* Size of memory reserved for graphics by the BIOS */ |
| 8 | unsigned int stolen_size; |
Daniel Vetter | 0ade638 | 2010-08-24 22:18:41 +0200 | [diff] [blame] | 9 | /* Total number of gtt entries. */ |
| 10 | unsigned int gtt_total_entries; |
| 11 | /* Part of the gtt that is mappable by the cpu, for those chips where |
| 12 | * this is not the full gtt. */ |
| 13 | unsigned int gtt_mappable_entries; |
Daniel Vetter | 4080775 | 2010-11-06 11:18:58 +0100 | [diff] [blame] | 14 | /* Whether i915 needs to use the dmar apis or not. */ |
| 15 | unsigned int needs_dmar : 1; |
Ben Widawsky | 5c04228 | 2011-10-17 15:51:55 -0700 | [diff] [blame] | 16 | /* Whether we idle the gpu before mapping/unmapping */ |
| 17 | unsigned int do_idle_maps : 1; |
Daniel Vetter | 50a4c4a | 2012-02-09 17:15:44 +0100 | [diff] [blame] | 18 | /* Share the scratch page dma with ppgtts. */ |
| 19 | dma_addr_t scratch_page_dma; |
Daniel Vetter | 428ccb2 | 2012-02-09 17:15:45 +0100 | [diff] [blame] | 20 | /* for ppgtt PDE access */ |
| 21 | u32 __iomem *gtt; |
Daniel Vetter | dd2757f | 2012-06-07 15:55:57 +0200 | [diff] [blame^] | 22 | /* needed for ioremap in drm/i915 */ |
| 23 | phys_addr_t gma_bus_addr; |
Chris Wilson | c64f7ba | 2010-11-23 14:24:24 +0000 | [diff] [blame] | 24 | } *intel_gtt_get(void); |
Daniel Vetter | 1996675 | 2010-09-06 20:08:44 +0200 | [diff] [blame] | 25 | |
Daniel Vetter | 40ce657 | 2010-11-05 18:12:18 +0100 | [diff] [blame] | 26 | void intel_gtt_chipset_flush(void); |
Daniel Vetter | 4080775 | 2010-11-06 11:18:58 +0100 | [diff] [blame] | 27 | void intel_gtt_unmap_memory(struct scatterlist *sg_list, int num_sg); |
| 28 | void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries); |
| 29 | int intel_gtt_map_memory(struct page **pages, unsigned int num_entries, |
| 30 | struct scatterlist **sg_list, int *num_sg); |
| 31 | void intel_gtt_insert_sg_entries(struct scatterlist *sg_list, |
| 32 | unsigned int sg_len, |
| 33 | unsigned int pg_start, |
| 34 | unsigned int flags); |
| 35 | void intel_gtt_insert_pages(unsigned int first_entry, unsigned int num_entries, |
| 36 | struct page **pages, unsigned int flags); |
Daniel Vetter | 23ed992 | 2010-11-05 18:04:52 +0100 | [diff] [blame] | 37 | |
| 38 | /* Special gtt memory types */ |
| 39 | #define AGP_DCACHE_MEMORY 1 |
| 40 | #define AGP_PHYS_MEMORY 2 |
| 41 | |
| 42 | /* New caching attributes for gen6/sandybridge */ |
| 43 | #define AGP_USER_CACHED_MEMORY_LLC_MLC (AGP_USER_TYPES + 2) |
| 44 | #define AGP_USER_UNCACHED_MEMORY (AGP_USER_TYPES + 4) |
| 45 | |
| 46 | /* flag for GFDT type */ |
| 47 | #define AGP_USER_CACHED_MEMORY_GFDT (1 << 3) |
| 48 | |
Daniel Vetter | 650dc07 | 2012-04-02 10:08:35 +0200 | [diff] [blame] | 49 | #ifdef CONFIG_INTEL_IOMMU |
| 50 | extern int intel_iommu_gfx_mapped; |
| 51 | #endif |
| 52 | |
Daniel Vetter | 0ade638 | 2010-08-24 22:18:41 +0200 | [diff] [blame] | 53 | #endif |