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_mode_fb_cmd2 *mode_cmd, 29 const struct drm_framebuffer_funcs *funcs); 30 struct drm_framebuffer * 31 drm_gem_fb_create_with_funcs(struct drm_device *dev, struct drm_file *file, 32 const struct drm_mode_fb_cmd2 *mode_cmd, 33 const struct drm_framebuffer_funcs *funcs); 34 struct drm_framebuffer * 35 drm_gem_fb_create(struct drm_device *dev, struct drm_file *file, 36 const struct drm_format_info *info, 37 const struct drm_mode_fb_cmd2 *mode_cmd); 38 struct drm_framebuffer * 39 drm_gem_fb_create_with_dirty(struct drm_device *dev, struct drm_file *file, 40 const struct drm_format_info *info, 41 const struct drm_mode_fb_cmd2 *mode_cmd); 42 43 int drm_gem_fb_vmap(struct drm_framebuffer *fb, struct iosys_map *map, 44 struct iosys_map *data); 45 void drm_gem_fb_vunmap(struct drm_framebuffer *fb, struct iosys_map *map); 46 int drm_gem_fb_begin_cpu_access(struct drm_framebuffer *fb, enum dma_data_direction dir); 47 void drm_gem_fb_end_cpu_access(struct drm_framebuffer *fb, enum dma_data_direction dir); 48 49 #define drm_is_afbc(modifier) \ 50 (((modifier) & AFBC_VENDOR_AND_TYPE_MASK) == DRM_FORMAT_MOD_ARM_AFBC(0)) 51 52 int drm_gem_fb_afbc_init(struct drm_device *dev, 53 const struct drm_mode_fb_cmd2 *mode_cmd, 54 struct drm_afbc_framebuffer *afbc_fb); 55 56 #endif 57