42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/**************************************************************************
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* Copyright (c) 2007-2008, Intel Corporation.
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* All Rights Reserved.
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*
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**************************************************************************/
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#ifndef _PSB_GTT_H_
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#define _PSB_GTT_H_
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#include <drm/drm_gem.h>
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struct drm_psb_private;
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/* This wants cleaning up with respect to the psb_dev and un-needed stuff */
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struct psb_gtt {
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uint32_t gatt_start;
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uint32_t mmu_gatt_start;
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uint32_t gtt_start;
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uint32_t gtt_phys_start;
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unsigned gtt_pages;
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unsigned gatt_pages;
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unsigned long stolen_size;
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unsigned long vram_stolen_size;
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};
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/* Exported functions */
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int psb_gtt_init(struct drm_device *dev);
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void psb_gtt_fini(struct drm_device *dev);
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int psb_gtt_resume(struct drm_device *dev);
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int psb_gtt_allocate_resource(struct drm_psb_private *pdev, struct resource *res,
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const char *name, resource_size_t size, resource_size_t align,
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bool stolen, u32 *offset);
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uint32_t psb_gtt_mask_pte(uint32_t pfn, int type);
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void psb_gtt_insert_pages(struct drm_psb_private *pdev, const struct resource *res,
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struct page **pages);
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void psb_gtt_remove_pages(struct drm_psb_private *pdev, const struct resource *res);
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#endif
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