omap_gem.h 2.8 KB

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  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. #ifndef __OMAPDRM_GEM_H__
  9. #define __OMAPDRM_GEM_H__
  10. #include <linux/types.h>
  11. #include <linux/mm_types.h>
  12. enum dma_data_direction;
  13. struct dma_buf;
  14. struct drm_device;
  15. struct drm_file;
  16. struct drm_gem_object;
  17. struct drm_mode_create_dumb;
  18. struct file;
  19. struct list_head;
  20. struct page;
  21. struct seq_file;
  22. struct vm_area_struct;
  23. struct vm_fault;
  24. union omap_gem_size;
  25. /* Initialization and Cleanup */
  26. void omap_gem_init(struct drm_device *dev);
  27. void omap_gem_deinit(struct drm_device *dev);
  28. #ifdef CONFIG_PM
  29. int omap_gem_resume(struct drm_device *dev);
  30. #endif
  31. #ifdef CONFIG_DEBUG_FS
  32. void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m);
  33. void omap_gem_describe_objects(struct list_head *list, struct seq_file *m);
  34. #endif
  35. /* GEM Object Creation and Deletion */
  36. struct drm_gem_object *omap_gem_new(struct drm_device *dev,
  37. union omap_gem_size gsize, u32 flags);
  38. struct drm_gem_object *omap_gem_new_dmabuf(struct drm_device *dev, size_t size,
  39. struct sg_table *sgt);
  40. int omap_gem_new_handle(struct drm_device *dev, struct drm_file *file,
  41. union omap_gem_size gsize, u32 flags, u32 *handle);
  42. void omap_gem_free_object(struct drm_gem_object *obj);
  43. void *omap_gem_vaddr(struct drm_gem_object *obj);
  44. /* Dumb Buffers Interface */
  45. int omap_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
  46. u32 handle, u64 *offset);
  47. int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
  48. struct drm_mode_create_dumb *args);
  49. /* mmap() Interface */
  50. int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma);
  51. int omap_gem_mmap_obj(struct drm_gem_object *obj,
  52. struct vm_area_struct *vma);
  53. u64 omap_gem_mmap_offset(struct drm_gem_object *obj);
  54. size_t omap_gem_mmap_size(struct drm_gem_object *obj);
  55. /* PRIME Interface */
  56. struct dma_buf *omap_gem_prime_export(struct drm_gem_object *obj, int flags);
  57. struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev,
  58. struct dma_buf *buffer);
  59. vm_fault_t omap_gem_fault(struct vm_fault *vmf);
  60. int omap_gem_roll(struct drm_gem_object *obj, u32 roll);
  61. void omap_gem_cpu_sync_page(struct drm_gem_object *obj, int pgoff);
  62. void omap_gem_dma_sync_buffer(struct drm_gem_object *obj,
  63. enum dma_data_direction dir);
  64. int omap_gem_pin(struct drm_gem_object *obj, dma_addr_t *dma_addr);
  65. void omap_gem_unpin(struct drm_gem_object *obj);
  66. int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages,
  67. bool remap);
  68. int omap_gem_put_pages(struct drm_gem_object *obj);
  69. u32 omap_gem_flags(struct drm_gem_object *obj);
  70. int omap_gem_rotated_dma_addr(struct drm_gem_object *obj, u32 orient,
  71. int x, int y, dma_addr_t *dma_addr);
  72. int omap_gem_tiled_stride(struct drm_gem_object *obj, u32 orient);
  73. #endif /* __OMAPDRM_GEM_H__ */