[media] v4l: vsp1: dl: Add support for multi-body display lists

Display lists support up to 8 bodies but we currently use a single one.
To support preparing display lists for large look-up tables, add support
for multi-body display lists.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/platform/vsp1/vsp1_dl.h

@@ -16,6 +16,7 @@
 #include <linux/types.h>
 
 struct vsp1_device;
+struct vsp1_dl_fragment;
 struct vsp1_dl_list;
 struct vsp1_dl_manager;
 
@@ -34,4 +35,11 @@ void vsp1_dl_list_put(struct vsp1_dl_list *dl);
 void vsp1_dl_list_write(struct vsp1_dl_list *dl, u32 reg, u32 data);
 void vsp1_dl_list_commit(struct vsp1_dl_list *dl);
 
+struct vsp1_dl_body *vsp1_dl_fragment_alloc(struct vsp1_device *vsp1,
+					    unsigned int num_entries);
+void vsp1_dl_fragment_free(struct vsp1_dl_body *dlb);
+void vsp1_dl_fragment_write(struct vsp1_dl_body *dlb, u32 reg, u32 data);
+int vsp1_dl_list_add_fragment(struct vsp1_dl_list *dl,
+			      struct vsp1_dl_body *dlb);
+
 #endif /* __VSP1_DL_H__ */