--
-- 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; either version 2 of the License, or
-- (at your option) any later version.
--
-- 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;