diff options
Diffstat (limited to 'drivers/gpu/drm/gma500/gtt.h')
| -rw-r--r-- | drivers/gpu/drm/gma500/gtt.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/gpu/drm/gma500/gtt.h b/drivers/gpu/drm/gma500/gtt.h new file mode 100644 index 0000000000..d5a5fd4466 --- /dev/null +++ b/drivers/gpu/drm/gma500/gtt.h @@ -0,0 +1,41 @@ +/* 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; +}; + +/* Exported functions */ +int psb_gtt_init(struct drm_device *dev); +void psb_gtt_fini(struct drm_device *dev); +int psb_gtt_resume(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); + +uint32_t psb_gtt_mask_pte(uint32_t pfn, int type); +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 |