1 #ifndef __DRM_GEM_FB_HELPER_H__ 2 #define __DRM_GEM_FB_HELPER_H__ 3 4 #include <linux/dma-buf.h> 5 #include <linux/iosys-map.h> 6 7 struct drm_afbc_framebuffer; 8 struct drm_device; 9 struct drm_fb_helper_surface_size; 10 struct drm_file; 11 struct drm_format_info; 12 struct drm_framebuffer; 13 struct drm_framebuffer_funcs; 14 struct drm_gem_object; 15 struct drm_mode_fb_cmd2; 16 17 #define AFBC_VENDOR_AND_TYPE_MASK GENMASK_ULL(63, 52) 18 19 struct drm_gem_object *drm_gem_fb_get_obj(struct drm_framebuffer *fb, 20 unsigned int plane); 21 void drm_gem_fb_destroy(struct drm_framebuffer *fb); 22 int drm_gem_fb_create_handle(struct drm_framebuffer *fb, struct drm_file *file, 23 unsigned int *handle); 24 25 int drm_gem_fb_init_with_funcs(struct drm_device *dev, 26 struct drm_framebuffer *fb, 27 struct drm_file *file, 28 const struct drm_format_info *info, 29 const struct drm_mode_fb_cmd2 *mode_cmd, 30 const struct drm_framebuffer_funcs *funcs); 31 struct drm_framebuffer * 32 drm_gem_fb_create_with_funcs(struct drm_device *dev, struct drm_file *file, 33 const struct drm_format_info *info, 34 const struct drm_mode_fb_cmd2 *mode_cmd, 35 const struct drm_framebuffer_funcs *funcs); 36 struct drm_framebuffer * 37 drm_gem_fb_create(struct drm_device *dev, struct drm_file *file, 38 const struct drm_format_info *info, 39 const struct drm_mode_fb_cmd2 *mode_cmd); 40 struct drm_framebuffer * 41 drm_gem_fb_create_with_dirty(struct drm_device *dev, struct drm_file *file, 42 const struct drm_format_info *info, 43 const struct drm_mode_fb_cmd2 *mode_cmd); 44 45 int drm_gem_fb_vmap(struct drm_framebuffer *fb, struct iosys_map *map, 46 struct iosys_map *data); 47 void drm_gem_fb_vunmap(struct drm_framebuffer *fb, struct iosys_map *map); 48 int drm_gem_fb_begin_cpu_access(struct drm_framebuffer *fb, enum dma_data_direction dir); 49 void drm_gem_fb_end_cpu_access(struct drm_framebuffer *fb, enum dma_data_direction dir); 50 51 #define drm_is_afbc(modifier) \ 52 (((modifier) & AFBC_VENDOR_AND_TYPE_MASK) == DRM_FORMAT_MOD_ARM_AFBC(0)) 53 54 int drm_gem_fb_afbc_init(struct drm_device *dev, 55 const struct drm_format_info *info, 56 const struct drm_mode_fb_cmd2 *mode_cmd, 57 struct drm_afbc_framebuffer *afbc_fb); 58 59 #endif 60