tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2/* Common header for intel-gtt.ko and i915.ko */
3
4#ifndef _DRM_INTEL_GTT_H
5#define _DRM_INTEL_GTT_H
6
7#include <linux/agp_backend.h>
8#include <linux/intel-iommu.h>
9#include <linux/kernel.h>
10
11void intel_gtt_get(u64 *gtt_total,
12 phys_addr_t *mappable_base,
13 resource_size_t *mappable_end);
14
15int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev,
16 struct agp_bridge_data *bridge);
17void intel_gmch_remove(void);
18
19bool intel_enable_gtt(void);
20
21void intel_gtt_chipset_flush(void);
22void intel_gtt_insert_page(dma_addr_t addr,
23 unsigned int pg,
24 unsigned int flags);
25void intel_gtt_insert_sg_entries(struct sg_table *st,
26 unsigned int pg_start,
27 unsigned int flags);
28void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries);
29
30/* Special gtt memory types */
31#define AGP_DCACHE_MEMORY 1
32#define AGP_PHYS_MEMORY 2
33
34/* flag for GFDT type */
35#define AGP_USER_CACHED_MEMORY_GFDT (1 << 3)
36
37#endif