1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 20ade6386SDaniel Vetter /* Common header for intel-gtt.ko and i915.ko */ 30ade6386SDaniel Vetter 40ade6386SDaniel Vetter #ifndef _DRM_INTEL_GTT_H 50ade6386SDaniel Vetter #define _DRM_INTEL_GTT_H 6c64f7ba5SChris Wilson 75c27b9faSJani Nikula #include <linux/agp_backend.h> 85c27b9faSJani Nikula #include <linux/kernel.h> 95c27b9faSJani Nikula 10edd1f2feSChris Wilson void intel_gtt_get(u64 *gtt_total, 11edd1f2feSChris Wilson phys_addr_t *mappable_base, 12b7128ef1SMatthew Auld resource_size_t *mappable_end); 1319966754SDaniel Vetter 1414be93ddSDaniel Vetter int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev, 1514be93ddSDaniel Vetter struct agp_bridge_data *bridge); 1614be93ddSDaniel Vetter void intel_gmch_remove(void); 1714be93ddSDaniel Vetter 188ecd1a66SDaniel Vetter bool intel_enable_gtt(void); 198ecd1a66SDaniel Vetter 2040ce6575SDaniel Vetter void intel_gtt_chipset_flush(void); 21d6473f56SChris Wilson void intel_gtt_insert_page(dma_addr_t addr, 22d6473f56SChris Wilson unsigned int pg, 23d6473f56SChris Wilson unsigned int flags); 249da3da66SChris Wilson void intel_gtt_insert_sg_entries(struct sg_table *st, 254080775bSDaniel Vetter unsigned int pg_start, 264080775bSDaniel Vetter unsigned int flags); 279da3da66SChris Wilson void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries); 2823ed992aSDaniel Vetter 2923ed992aSDaniel Vetter /* Special gtt memory types */ 3023ed992aSDaniel Vetter #define AGP_DCACHE_MEMORY 1 3123ed992aSDaniel Vetter #define AGP_PHYS_MEMORY 2 3223ed992aSDaniel Vetter 3323ed992aSDaniel Vetter /* flag for GFDT type */ 3423ed992aSDaniel Vetter #define AGP_USER_CACHED_MEMORY_GFDT (1 << 3) 3523ed992aSDaniel Vetter 36650dc07eSDaniel Vetter #ifdef CONFIG_INTEL_IOMMU 37650dc07eSDaniel Vetter extern int intel_iommu_gfx_mapped; 38650dc07eSDaniel Vetter #endif 39650dc07eSDaniel Vetter 400ade6386SDaniel Vetter #endif 41