1 #ifndef __DRM_GEM_FB_HELPER_H__
2 #define __DRM_GEM_FB_HELPER_H__
4 #include <linux/dma-buf.h>
5 #include <linux/iosys-map.h>
7 struct drm_afbc_framebuffer;
9 struct drm_fb_helper_surface_size;
11 struct drm_framebuffer;
12 struct drm_framebuffer_funcs;
13 struct drm_gem_object;
14 struct drm_mode_fb_cmd2;
16 #define AFBC_VENDOR_AND_TYPE_MASK GENMASK_ULL(63, 52)
18 struct drm_gem_object *drm_gem_fb_get_obj(struct drm_framebuffer *fb,
20 void drm_gem_fb_destroy(struct drm_framebuffer *fb);
21 int drm_gem_fb_create_handle(struct drm_framebuffer *fb, struct drm_file *file,
22 unsigned int *handle);
24 int drm_gem_fb_init_with_funcs(struct drm_device *dev,
25 struct drm_framebuffer *fb,
26 struct drm_file *file,
27 const struct drm_mode_fb_cmd2 *mode_cmd,
28 const struct drm_framebuffer_funcs *funcs);
29 struct drm_framebuffer *
30 drm_gem_fb_create_with_funcs(struct drm_device *dev, struct drm_file *file,
31 const struct drm_mode_fb_cmd2 *mode_cmd,
32 const struct drm_framebuffer_funcs *funcs);
33 struct drm_framebuffer *
34 drm_gem_fb_create(struct drm_device *dev, struct drm_file *file,
35 const struct drm_mode_fb_cmd2 *mode_cmd);
36 struct drm_framebuffer *
37 drm_gem_fb_create_with_dirty(struct drm_device *dev, struct drm_file *file,
38 const struct drm_mode_fb_cmd2 *mode_cmd);
40 int drm_gem_fb_vmap(struct drm_framebuffer *fb, struct iosys_map *map,
41 struct iosys_map *data);
42 void drm_gem_fb_vunmap(struct drm_framebuffer *fb, struct iosys_map *map);
43 int drm_gem_fb_begin_cpu_access(struct drm_framebuffer *fb, enum dma_data_direction dir);
44 void drm_gem_fb_end_cpu_access(struct drm_framebuffer *fb, enum dma_data_direction dir);
46 #define drm_is_afbc(modifier) \
47 (((modifier) & AFBC_VENDOR_AND_TYPE_MASK) == DRM_FORMAT_MOD_ARM_AFBC(0))
49 int drm_gem_fb_afbc_init(struct drm_device *dev,
50 const struct drm_mode_fb_cmd2 *mode_cmd,
51 struct drm_afbc_framebuffer *afbc_fb);