/* 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_free_object(struct drm_gem_object *obj); 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); vm_fault_t omap_gem_fault(struct vm_fault *vmf); 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); #endif /* __OMAPDRM_GEM_H__ */