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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * omap_gem.h -- OMAP DRM GEM Object Management4 *5 * Copyright (C) 2011 Texas Instruments6 * 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_PM36int omap_gem_resume(struct drm_device *dev);37#endif38 39#ifdef CONFIG_DEBUG_FS40void 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#endif43 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 */60u64 omap_gem_mmap_offset(struct drm_gem_object *obj);61size_t omap_gem_mmap_size(struct drm_gem_object *obj);62 63/* PRIME Interface */64struct dma_buf *omap_gem_prime_export(struct drm_gem_object *obj, int flags);65struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev,66 struct dma_buf *buffer);67 68int omap_gem_roll(struct drm_gem_object *obj, u32 roll);69void omap_gem_cpu_sync_page(struct drm_gem_object *obj, int pgoff);70void omap_gem_dma_sync_buffer(struct drm_gem_object *obj,71 enum dma_data_direction dir);72int omap_gem_pin(struct drm_gem_object *obj, dma_addr_t *dma_addr);73void omap_gem_unpin(struct drm_gem_object *obj);74int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages,75 bool remap);76int omap_gem_put_pages(struct drm_gem_object *obj);77 78u32 omap_gem_flags(struct drm_gem_object *obj);79int omap_gem_rotated_dma_addr(struct drm_gem_object *obj, u32 orient,80 int x, int y, dma_addr_t *dma_addr);81int omap_gem_tiled_stride(struct drm_gem_object *obj, u32 orient);82struct sg_table *omap_gem_get_sg(struct drm_gem_object *obj,83 enum dma_data_direction dir);84void omap_gem_put_sg(struct drm_gem_object *obj, struct sg_table *sgt);85 86#endif /* __OMAPDRM_GEM_H__ */87