LXR linux/include/drm/drm_gem_framebuffer

   1#ifndef __DRM_GEM_FB_HELPER_H__
   2#define __DRM_GEM_FB_HELPER_H__
   3
   4#include <linux/dma-buf.h>
   5#include <linux/dma-buf-map.h>
   6
   7#include <drm/drm_fourcc.h>
   8
   9struct drm_afbc_framebuffer;
  10struct drm_device;
  11struct drm_fb_helper_surface_size;
  12struct drm_file;
  13struct drm_framebuffer;
  14struct drm_framebuffer_funcs;
  15struct drm_gem_object;
  16struct drm_mode_fb_cmd2;
  17
  18#define AFBC_VENDOR_AND_TYPE_MASK       GENMASK_ULL(63, 52)
  19
  20struct drm_gem_object *drm_gem_fb_get_obj(struct drm_framebuffer *fb,
  21                                          unsigned int plane);
  22void drm_gem_fb_destroy(struct drm_framebuffer *fb);
  23int drm_gem_fb_create_handle(struct drm_framebuffer *fb, struct drm_file *file,
  24                             unsigned int *handle);
  25
  26int drm_gem_fb_init_with_funcs(struct drm_device *dev,
  27                               struct drm_framebuffer *fb,
  28                               struct drm_file *file,
  29                               const struct drm_mode_fb_cmd2 *mode_cmd,
  30                               const struct drm_framebuffer_funcs *funcs);
  31struct drm_framebuffer *
  32drm_gem_fb_create_with_funcs(struct drm_device *dev, struct drm_file *file,
  33                             const struct drm_mode_fb_cmd2 *mode_cmd,
  34                             const struct drm_framebuffer_funcs *funcs);
  35struct drm_framebuffer *
  36drm_gem_fb_create(struct drm_device *dev, struct drm_file *file,
  37                  const struct drm_mode_fb_cmd2 *mode_cmd);
  38struct drm_framebuffer *
  39drm_gem_fb_create_with_dirty(struct drm_device *dev, struct drm_file *file,
  40                             const struct drm_mode_fb_cmd2 *mode_cmd);
  41
  42int drm_gem_fb_vmap(struct drm_framebuffer *fb,
  43                    struct dma_buf_map map[static DRM_FORMAT_MAX_PLANES],
  44                    struct dma_buf_map data[DRM_FORMAT_MAX_PLANES]);
  45void drm_gem_fb_vunmap(struct drm_framebuffer *fb,
  46                       struct dma_buf_map map[static DRM_FORMAT_MAX_PLANES]);
  47int drm_gem_fb_begin_cpu_access(struct drm_framebuffer *fb, enum dma_data_direction dir);
  48void drm_gem_fb_end_cpu_access(struct drm_framebuffer *fb, enum dma_data_direction dir);
  49
  50#define drm_is_afbc(modifier) \
  51        (((modifier) & AFBC_VENDOR_AND_TYPE_MASK) == DRM_FORMAT_MOD_ARM_AFBC(0))
  52
  53int drm_gem_fb_afbc_init(struct drm_device *dev,
  54                         const struct drm_mode_fb_cmd2 *mode_cmd,
  55                         struct drm_afbc_framebuffer *afbc_fb);
  56
  57#endif
  58