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