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 9 struct drm_afbc_framebuffer; 10 struct drm_device; 11 struct drm_fb_helper_surface_size; 12 struct drm_file; 13 struct drm_framebuffer; 14 struct drm_framebuffer_funcs; 15 struct drm_gem_object; 16 struct drm_mode_fb_cmd2; 17 18 #define AFBC_VENDOR_AND_TYPE_MASK GENMASK_ULL(63, 52) 19 20 struct drm_gem_object *drm_gem_fb_get_obj(struct drm_framebuffer *fb, 21 unsigned int plane); 22 void drm_gem_fb_destroy(struct drm_framebuffer *fb); 23 int drm_gem_fb_create_handle(struct drm_framebuffer *fb, struct drm_file *file, 24 unsigned int *handle); 25 26 int 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); 31 struct drm_framebuffer * 32 drm_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); 35 struct drm_framebuffer * 36 drm_gem_fb_create(struct drm_device *dev, struct drm_file *file, 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_mode_fb_cmd2 *mode_cmd); 41 42 int 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]); 45 void drm_gem_fb_vunmap(struct drm_framebuffer *fb, 46 struct dma_buf_map map[static DRM_FORMAT_MAX_PLANES]); 47 int drm_gem_fb_begin_cpu_access(struct drm_framebuffer *fb, enum dma_data_direction dir); 48 void 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 53 int 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