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_framebuffer; 12 struct drm_framebuffer_funcs; 13 struct drm_gem_object; 14 struct drm_mode_fb_cmd2; 15 16 #define AFBC_VENDOR_AND_TYPE_MASK GENMASK_ULL(63, 52) 17 18 struct drm_gem_object *drm_gem_fb_get_obj(struct drm_framebuffer *fb, 19 unsigned int plane); 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); 23 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); 39 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); 45 46 #define drm_is_afbc(modifier) \ 47 (((modifier) & AFBC_VENDOR_AND_TYPE_MASK) == DRM_FORMAT_MOD_ARM_AFBC(0)) 48 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); 52 53 #endif 54