| /* 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 |
