1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /**************************************************************************
3  * Copyright (c) 2007-2008, Intel Corporation.
4  * All Rights Reserved.
5  *
6  **************************************************************************/
7 
8 #ifndef _PSB_GTT_H_
9 #define _PSB_GTT_H_
10 
11 #include <drm/drm_gem.h>
12 
13 struct drm_psb_private;
14 
15 /* This wants cleaning up with respect to the psb_dev and un-needed stuff */
16 struct psb_gtt {
17 	uint32_t gatt_start;
18 	uint32_t mmu_gatt_start;
19 	uint32_t gtt_start;
20 	uint32_t gtt_phys_start;
21 	unsigned gtt_pages;
22 	unsigned gatt_pages;
23 	unsigned long stolen_size;
24 	unsigned long vram_stolen_size;
25 };
26 
27 /* Exported functions */
28 int psb_gtt_init(struct drm_device *dev);
29 void psb_gtt_fini(struct drm_device *dev);
30 int psb_gtt_resume(struct drm_device *dev);
31 
32 int psb_gtt_allocate_resource(struct drm_psb_private *pdev, struct resource *res,
33 			      const char *name, resource_size_t size, resource_size_t align,
34 			      bool stolen, u32 *offset);
35 
36 uint32_t psb_gtt_mask_pte(uint32_t pfn, int type);
37 void psb_gtt_insert_pages(struct drm_psb_private *pdev, const struct resource *res,
38 			  struct page **pages);
39 void psb_gtt_remove_pages(struct drm_psb_private *pdev, const struct resource *res);
40 
41 #endif
42