40 lines · c
1/* SPDX-License-Identifier: GPL-2.0 */2/* Common header for intel-gtt.ko and i915.ko */3 4#ifndef _DRM_INTEL_GTT_H5#define _DRM_INTEL_GTT_H6 7#include <linux/types.h>8 9struct agp_bridge_data;10struct pci_dev;11struct sg_table;12 13void intel_gmch_gtt_get(u64 *gtt_total,14 phys_addr_t *mappable_base,15 resource_size_t *mappable_end);16 17int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev,18 struct agp_bridge_data *bridge);19void intel_gmch_remove(void);20 21bool intel_gmch_enable_gtt(void);22 23void intel_gmch_gtt_flush(void);24void intel_gmch_gtt_insert_page(dma_addr_t addr,25 unsigned int pg,26 unsigned int flags);27void intel_gmch_gtt_insert_sg_entries(struct sg_table *st,28 unsigned int pg_start,29 unsigned int flags);30void intel_gmch_gtt_clear_range(unsigned int first_entry, unsigned int num_entries);31 32/* Special gtt memory types */33#define AGP_DCACHE_MEMORY 134#define AGP_PHYS_MEMORY 235 36/* flag for GFDT type */37#define AGP_USER_CACHED_MEMORY_GFDT (1 << 3)38 39#endif40