diff --git a/common/hw-gfx-gma-panel.ads b/common/hw-gfx-gma-panel.ads
new file mode 100644
index 0000000..98dc93f
--- /dev/null
+++ b/common/hw-gfx-gma-panel.ads
@@ -0,0 +1,60 @@
+--
+-- Copyright (C) 2015-2016 secunet Security Networks AG
+--
+-- This program is free software; you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation; version 2 of the License.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+
+with HW.Time;
+with HW.GFX.GMA.Registers;
+
+private package HW.GFX.GMA.Panel
+with
+   Abstract_State => (Panel_State with Part_Of => GMA.State)
+is
+
+   procedure Static_Init
+   with
+      Global =>
+        (Output => Panel_State,
+         Input  => Time.State);
+
+   procedure Setup_PP_Sequencer (Default_Delays : Boolean := False)
+   with
+      Global =>
+        (Input  => Time.State,
+         In_Out => Registers.Register_State,
+         Output => Panel_State),
+      Depends =>
+        ((Panel_State, Registers.Register_State) =>
+           (Time.State, Registers.Register_State, Default_Delays)),
+      Pre      => True,
+      Post     => True;
+
+   ----------------------------------------------------------------------------
+
+   procedure VDD_Override;
+
+   procedure On (Wait : Boolean := True);
+
+   procedure Wait_On;
+
+   procedure Off;
+
+   ----------------------------------------------------------------------------
+
+   procedure Backlight_On;
+
+   procedure Backlight_Off;
+
+   procedure Set_Backlight (Level : Word16);
+
+   procedure Get_Max_Backlight (Level : out Word16);
+
+end HW.GFX.GMA.Panel;