| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * omap_gem.h -- OMAP DRM GEM Object Management |
| * |
| * Copyright (C) 2011 Texas Instruments |
| * Author: Rob Clark <rob@ti.com> |
| */ |
| |
| #ifndef __OMAPDRM_GEM_H__ |
| #define __OMAPDRM_GEM_H__ |
| |
| #include <linux/types.h> |
| #include <linux/mm_types.h> |
| |
| enum dma_data_direction; |
| |
| struct dma_buf; |
| struct drm_device; |
| struct drm_file; |
| struct drm_gem_object; |
| struct drm_mode_create_dumb; |
| struct file; |
| struct list_head; |
| struct page; |
| struct seq_file; |
| struct vm_area_struct; |
| struct vm_fault; |
| |
| union omap_gem_size; |
| |
| /* Initialization and Cleanup */ |
| void omap_gem_init(struct drm_device *dev); |
| void omap_gem_deinit(struct drm_device *dev); |
| |
| #ifdef CONFIG_PM |
| int omap_gem_resume(struct drm_device *dev); |
| #endif |
| |
| #ifdef CONFIG_DEBUG_FS |
| void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m); |
| void omap_gem_describe_objects(struct list_head *list, struct seq_file *m); |
| #endif |
| |
| /* GEM Object Creation and Deletion */ |
| struct drm_gem_object *omap_gem_new(struct drm_device *dev, |
| union omap_gem_size gsize, u32 flags); |
| struct drm_gem_object *omap_gem_new_dmabuf(struct drm_device *dev, size_t size, |
| struct sg_table *sgt); |
| int omap_gem_new_handle(struct drm_device *dev, struct drm_file *file, |
| union omap_gem_size gsize, u32 flags, u32 *handle); |
| void *omap_gem_vaddr(struct drm_gem_object *obj); |
| |
| /* Dumb Buffers Interface */ |
| int omap_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev, |
| u32 handle, u64 *offset); |
| int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev, |
| struct drm_mode_create_dumb *args); |
| |
| /* mmap() Interface */ |
| int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma); |
| int omap_gem_mmap_obj(struct drm_gem_object *obj, |
| struct vm_area_struct *vma); |
| u64 omap_gem_mmap_offset(struct drm_gem_object *obj); |
| size_t omap_gem_mmap_size(struct drm_gem_object *obj); |
| |
| /* PRIME Interface */ |
| struct dma_buf *omap_gem_prime_export(struct drm_gem_object *obj, int flags); |
| struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev, |
| struct dma_buf *buffer); |
| |
| int omap_gem_roll(struct drm_gem_object *obj, u32 roll); |
| void omap_gem_cpu_sync_page(struct drm_gem_object *obj, int pgoff); |
| void omap_gem_dma_sync_buffer(struct drm_gem_object *obj, |
| enum dma_data_direction dir); |
| int omap_gem_pin(struct drm_gem_object *obj, dma_addr_t *dma_addr); |
| void omap_gem_unpin(struct drm_gem_object *obj); |
| int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages, |
| bool remap); |
| int omap_gem_put_pages(struct drm_gem_object *obj); |
| |
| u32 omap_gem_flags(struct drm_gem_object *obj); |
| int omap_gem_rotated_dma_addr(struct drm_gem_object *obj, u32 orient, |
| int x, int y, dma_addr_t *dma_addr); |
| int omap_gem_tiled_stride(struct drm_gem_object *obj, u32 orient); |
| struct sg_table *omap_gem_get_sg(struct drm_gem_object *obj, |
| enum dma_data_direction dir); |
| void omap_gem_put_sg(struct drm_gem_object *obj, struct sg_table *sgt); |
| |
| #endif /* __OMAPDRM_GEM_H__ */ |