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