95 lines
3.2 KiB
Ada
95 lines
3.2 KiB
Ada
--
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-- Copyright (C) 2015-2016 secunet Security Networks AG
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--
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation; version 2 of the License.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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with HW.GFX.GMA.Registers;
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with HW.Debug;
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with GNAT.Source_Info;
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package body HW.GFX.GMA.PCH.HDMI
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is
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PCH_HDMI_ENABLE : constant := 1 * 2 ** 31;
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PCH_HDMI_COLOR_FORMAT_8BPC : constant := 0 * 2 ** 26;
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PCH_HDMI_COLOR_FORMAT_12BPC : constant := 3 * 2 ** 26;
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PCH_HDMI_COLOR_FORMAT_MASK : constant := 7 * 2 ** 26;
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PCH_HDMI_SDVO_ENCODING_SDVO : constant := 0 * 2 ** 10;
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PCH_HDMI_SDVO_ENCODING_HDMI : constant := 2 * 2 ** 10;
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PCH_HDMI_SDVO_ENCODING_MASK : constant := 3 * 2 ** 10;
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PCH_HDMI_VSYNC_ACTIVE_HIGH : constant := 1 * 2 ** 4;
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PCH_HDMI_HSYNC_ACTIVE_HIGH : constant := 1 * 2 ** 3;
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PCH_HDMI_PORT_DETECT : constant := 1 * 2 ** 2;
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PCH_HDMI_MASK : constant Word32 :=
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PCH_TRANSCODER_SELECT_MASK or
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PCH_HDMI_ENABLE or
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PCH_HDMI_COLOR_FORMAT_MASK or
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PCH_HDMI_SDVO_ENCODING_MASK or
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PCH_HDMI_HSYNC_ACTIVE_HIGH or
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PCH_HDMI_VSYNC_ACTIVE_HIGH;
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type PCH_HDMI_Array is array (PCH_HDMI_Port) of Registers.Registers_Index;
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PCH_HDMI : constant PCH_HDMI_Array := PCH_HDMI_Array'
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(PCH_HDMI_B => Registers.PCH_HDMIB,
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PCH_HDMI_C => Registers.PCH_HDMIC,
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PCH_HDMI_D => Registers.PCH_HDMID);
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----------------------------------------------------------------------------
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procedure On (Port_Cfg : Port_Config; FDI_Port : FDI_Port_Type)
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is
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Polarity : constant Word32 :=
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(if Port_Cfg.Mode.H_Sync_Active_High then
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PCH_HDMI_HSYNC_ACTIVE_HIGH else 0) or
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(if Port_Cfg.Mode.V_Sync_Active_High then
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PCH_HDMI_VSYNC_ACTIVE_HIGH else 0);
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begin
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pragma Debug (Debug.Put_Line (GNAT.Source_Info.Enclosing_Entity));
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-- registers are just sufficient for setup with DVI adaptor
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Registers.Unset_And_Set_Mask
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(Register => PCH_HDMI (Port_Cfg.PCH_Port),
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Mask_Unset => PCH_HDMI_MASK,
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Mask_Set => PCH_HDMI_ENABLE or
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PCH_TRANSCODER_SELECT (FDI_Port) or
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PCH_HDMI_SDVO_ENCODING_HDMI or
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Polarity);
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end On;
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----------------------------------------------------------------------------
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procedure Off (Port : PCH_HDMI_Port)
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is
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begin
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pragma Debug (Debug.Put_Line (GNAT.Source_Info.Enclosing_Entity));
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Registers.Unset_And_Set_Mask
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(Register => PCH_HDMI (Port),
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Mask_Unset => PCH_HDMI_MASK,
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Mask_Set => PCH_HDMI_HSYNC_ACTIVE_HIGH or
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PCH_HDMI_VSYNC_ACTIVE_HIGH);
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end Off;
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procedure All_Off
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is
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begin
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pragma Debug (Debug.Put_Line (GNAT.Source_Info.Enclosing_Entity));
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for Port in PCH_HDMI_Port loop
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Off (Port);
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end loop;
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end All_Off;
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end HW.GFX.GMA.PCH.HDMI;
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