diff --git a/common/haswell_shared/hw-gfx-gma-connectors.adb b/common/haswell_shared/hw-gfx-gma-connectors.adb
new file mode 100644
index 0000000..e53902b
--- /dev/null
+++ b/common/haswell_shared/hw-gfx-gma-connectors.adb
@@ -0,0 +1,93 @@
+--
+-- 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.GFX.GMA.Config;
+with HW.GFX.GMA.Panel;
+with HW.GFX.GMA.Connectors.DDI;
+
+with HW.Debug;
+with GNAT.Source_Info;
+
+package body HW.GFX.GMA.Connectors is
+
+   procedure Pre_On
+     (Port_Cfg    : in     Port_Config;
+      PLL_Hint    : in     Word32;
+      Pipe_Hint   : in     Word32;
+      Success     :    out Boolean)
+   is
+   begin
+      pragma Debug (Debug.Put_Line (GNAT.Source_Info.Enclosing_Entity));
+
+      DDI.Pre_On (Port_Cfg, PLL_Hint, Success);
+   end Pre_On;
+
+   procedure Post_On
+     (Port_Cfg : in     Port_Config;
+      PLL_Hint : in     Word32;
+      Success  :    out Boolean)
+   is
+   begin
+      pragma Debug (Debug.Put_Line (GNAT.Source_Info.Enclosing_Entity));
+
+      DDI.Post_On (Port_Cfg);
+
+      if Port_Cfg.Port = DIGI_A then
+         Panel.Backlight_On;
+      end if;
+
+      Success := True;
+   end Post_On;
+
+   ----------------------------------------------------------------------------
+
+   procedure Pre_Off (Port_Cfg : Port_Config)
+   is
+   begin
+      pragma Debug (Debug.Put_Line (GNAT.Source_Info.Enclosing_Entity));
+
+      if Port_Cfg.Port = DIGI_A then
+         Panel.Backlight_Off;
+         Panel.Off;
+      end if;
+   end Pre_Off;
+
+   procedure Post_Off (Port_Cfg : Port_Config)
+   is
+   begin
+      pragma Debug (Debug.Put_Line (GNAT.Source_Info.Enclosing_Entity));
+
+      DDI.Off (Port_Cfg.Port);
+   end Post_Off;
+
+   ----------------------------------------------------------------------------
+
+   procedure Pre_All_Off
+   is
+   begin
+      Panel.Backlight_Off;
+      Panel.Off;
+   end Pre_All_Off;
+
+   procedure Post_All_Off
+   is
+   begin
+      for Port in Digital_Port range DIGI_A .. DIGI_D loop
+         DDI.Off (Port);
+      end loop;
+      if Config.FDI_Port (DIGI_E) then
+         DDI.Off (DIGI_E);
+      end if;
+   end Post_All_Off;
+
+end HW.GFX.GMA.Connectors;