1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * omap_gem.h -- OMAP DRM GEM Object Management
 4 *
 5 * Copyright (C) 2011 Texas Instruments
 6 * Author: Rob Clark <rob@ti.com>
 7 */
 8
 9#ifndef __OMAPDRM_GEM_H__
10#define __OMAPDRM_GEM_H__
11
12#include <linux/types.h>
13#include <linux/mm_types.h>
14
15enum dma_data_direction;
16
17struct dma_buf;
18struct drm_device;
19struct drm_file;
20struct drm_gem_object;
21struct drm_mode_create_dumb;
22struct file;
23struct list_head;
24struct page;
25struct seq_file;
26struct vm_area_struct;
27struct vm_fault;
28
29union omap_gem_size;
30
31/* Initialization and Cleanup */
32void omap_gem_init(struct drm_device *dev);
33void omap_gem_deinit(struct drm_device *dev);
34
35#ifdef CONFIG_PM
36int omap_gem_resume(struct drm_device *dev);
37#endif
38
39#ifdef CONFIG_DEBUG_FS
40void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m);
41void omap_gem_describe_objects(struct list_head *list, struct seq_file *m);
42#endif
43
44/* GEM Object Creation and Deletion */
45struct drm_gem_object *omap_gem_new(struct drm_device *dev,
46		union omap_gem_size gsize, u32 flags);
47struct drm_gem_object *omap_gem_new_dmabuf(struct drm_device *dev, size_t size,
48		struct sg_table *sgt);
49int omap_gem_new_handle(struct drm_device *dev, struct drm_file *file,
50		union omap_gem_size gsize, u32 flags, u32 *handle);
51void *omap_gem_vaddr(struct drm_gem_object *obj);
52
53/* Dumb Buffers Interface */
54int omap_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
55		u32 handle, u64 *offset);
56int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
57		struct drm_mode_create_dumb *args);
58
59/* mmap() Interface */
60int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma);
61int omap_gem_mmap_obj(struct drm_gem_object *obj,
62		struct vm_area_struct *vma);
63u64 omap_gem_mmap_offset(struct drm_gem_object *obj);
64size_t omap_gem_mmap_size(struct drm_gem_object *obj);
65
66/* PRIME Interface */
67struct dma_buf *omap_gem_prime_export(struct drm_gem_object *obj, int flags);
68struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev,
69		struct dma_buf *buffer);
70
71int omap_gem_roll(struct drm_gem_object *obj, u32 roll);
72void omap_gem_cpu_sync_page(struct drm_gem_object *obj, int pgoff);
73void omap_gem_dma_sync_buffer(struct drm_gem_object *obj,
74		enum dma_data_direction dir);
75int omap_gem_pin(struct drm_gem_object *obj, dma_addr_t *dma_addr);
76void omap_gem_unpin(struct drm_gem_object *obj);
77int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages,
78		bool remap);
79int omap_gem_put_pages(struct drm_gem_object *obj);
80
81u32 omap_gem_flags(struct drm_gem_object *obj);
82int omap_gem_rotated_dma_addr(struct drm_gem_object *obj, u32 orient,
83		int x, int y, dma_addr_t *dma_addr);
84int omap_gem_tiled_stride(struct drm_gem_object *obj, u32 orient);
85
86#endif /* __OMAPDRM_GEM_H__ */