1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * omap_gem.h -- OMAP DRM GEM Object Management
5 * Copyright (C) 2011 Texas Instruments
6 * Author: Rob Clark <rob@ti.com>
9 #ifndef __OMAPDRM_GEM_H__
10 #define __OMAPDRM_GEM_H__
12 #include <linux/types.h>
13 #include <linux/mm_types.h>
15 enum dma_data_direction;
20 struct drm_gem_object;
21 struct drm_mode_create_dumb;
26 struct vm_area_struct;
31 /* Initialization and Cleanup */
32 void omap_gem_init(struct drm_device *dev);
33 void omap_gem_deinit(struct drm_device *dev);
36 int omap_gem_resume(struct drm_device *dev);
39 #ifdef CONFIG_DEBUG_FS
40 void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m);
41 void omap_gem_describe_objects(struct list_head *list, struct seq_file *m);
44 /* GEM Object Creation and Deletion */
45 struct drm_gem_object *omap_gem_new(struct drm_device *dev,
46 union omap_gem_size gsize, u32 flags);
47 struct drm_gem_object *omap_gem_new_dmabuf(struct drm_device *dev, size_t size,
48 struct sg_table *sgt);
49 int omap_gem_new_handle(struct drm_device *dev, struct drm_file *file,
50 union omap_gem_size gsize, u32 flags, u32 *handle);
51 void omap_gem_free_object(struct drm_gem_object *obj);
52 void *omap_gem_vaddr(struct drm_gem_object *obj);
54 /* Dumb Buffers Interface */
55 int omap_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
56 u32 handle, u64 *offset);
57 int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
58 struct drm_mode_create_dumb *args);
60 /* mmap() Interface */
61 int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma);
62 int omap_gem_mmap_obj(struct drm_gem_object *obj,
63 struct vm_area_struct *vma);
64 u64 omap_gem_mmap_offset(struct drm_gem_object *obj);
65 size_t omap_gem_mmap_size(struct drm_gem_object *obj);
68 struct dma_buf *omap_gem_prime_export(struct drm_gem_object *obj, int flags);
69 struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev,
70 struct dma_buf *buffer);
72 vm_fault_t omap_gem_fault(struct vm_fault *vmf);
73 int omap_gem_roll(struct drm_gem_object *obj, u32 roll);
74 void omap_gem_cpu_sync_page(struct drm_gem_object *obj, int pgoff);
75 void omap_gem_dma_sync_buffer(struct drm_gem_object *obj,
76 enum dma_data_direction dir);
77 int omap_gem_pin(struct drm_gem_object *obj, dma_addr_t *dma_addr);
78 void omap_gem_unpin(struct drm_gem_object *obj);
79 int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages,
81 int omap_gem_put_pages(struct drm_gem_object *obj);
83 u32 omap_gem_flags(struct drm_gem_object *obj);
84 int omap_gem_rotated_dma_addr(struct drm_gem_object *obj, u32 orient,
85 int x, int y, dma_addr_t *dma_addr);
86 int omap_gem_tiled_stride(struct drm_gem_object *obj, u32 orient);
88 #endif /* __OMAPDRM_GEM_H__ */