| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd |
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| 4 | * Author:Mark Yao <mark.yao@rock-chips.com> |
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| 5 | */ |
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| 6 | |
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| 7 | #ifndef _ROCKCHIP_DRM_GEM_H |
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| 8 | #define _ROCKCHIP_DRM_GEM_H |
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| 9 | |
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| 10 | #define to_rockchip_obj(x) container_of(x, struct rockchip_gem_object, base) |
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| 11 | |
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| 12 | struct rockchip_gem_object { |
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| 13 | struct drm_gem_object base; |
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| 14 | unsigned int flags; |
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| 15 | |
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| 16 | void *kvaddr; |
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| 17 | dma_addr_t dma_addr; |
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| 18 | /* Used when IOMMU is disabled */ |
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| 19 | unsigned long dma_attrs; |
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| 20 | |
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| 21 | /* Used when IOMMU is enabled */ |
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| 22 | struct drm_mm_node mm; |
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| 23 | unsigned long num_pages; |
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| 24 | struct page **pages; |
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| 25 | struct sg_table *sgt; |
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| 26 | size_t size; |
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| 27 | }; |
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| 28 | |
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| 29 | struct sg_table *rockchip_gem_prime_get_sg_table(struct drm_gem_object *obj); |
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| 30 | struct drm_gem_object * |
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| 31 | rockchip_gem_prime_import_sg_table(struct drm_device *dev, |
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| 32 | struct dma_buf_attachment *attach, |
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| 33 | struct sg_table *sg); |
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| 34 | int rockchip_gem_prime_vmap(struct drm_gem_object *obj, struct iosys_map *map); |
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| 35 | void rockchip_gem_prime_vunmap(struct drm_gem_object *obj, |
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| 36 | struct iosys_map *map); |
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| 37 | |
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| 38 | struct rockchip_gem_object * |
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| 39 | rockchip_gem_create_object(struct drm_device *drm, unsigned int size, |
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| 40 | bool alloc_kmap); |
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| 41 | |
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| 42 | void rockchip_gem_free_object(struct drm_gem_object *obj); |
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| 43 | |
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| 44 | int rockchip_gem_dumb_create(struct drm_file *file_priv, |
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| 45 | struct drm_device *dev, |
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| 46 | struct drm_mode_create_dumb *args); |
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| 47 | #endif /* _ROCKCHIP_DRM_GEM_H */ |
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| 48 | |
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