Initial upstream commit
The history contained unlicensed code so everything got squashed, sorry.
Change-Id: I9f5775208f9df6fb29074bf3bc498f68cb17b3a0
Signed-off-by: Nico Huber <nico.huber@secunet.com>
diff --git a/common/ironlake/hw-gfx-gma-pch-hdmi.adb b/common/ironlake/hw-gfx-gma-pch-hdmi.adb
new file mode 100644
index 0000000..8bf99db
--- /dev/null
+++ b/common/ironlake/hw-gfx-gma-pch-hdmi.adb
@@ -0,0 +1,94 @@
+--
+-- 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.Registers;
+
+with HW.Debug;
+with GNAT.Source_Info;
+
+package body HW.GFX.GMA.PCH.HDMI
+is
+
+ PCH_HDMI_ENABLE : constant := 1 * 2 ** 31;
+ PCH_HDMI_COLOR_FORMAT_8BPC : constant := 0 * 2 ** 26;
+ PCH_HDMI_COLOR_FORMAT_12BPC : constant := 3 * 2 ** 26;
+ PCH_HDMI_COLOR_FORMAT_MASK : constant := 7 * 2 ** 26;
+ PCH_HDMI_SDVO_ENCODING_SDVO : constant := 0 * 2 ** 10;
+ PCH_HDMI_SDVO_ENCODING_HDMI : constant := 2 * 2 ** 10;
+ PCH_HDMI_SDVO_ENCODING_MASK : constant := 3 * 2 ** 10;
+ PCH_HDMI_VSYNC_ACTIVE_HIGH : constant := 1 * 2 ** 4;
+ PCH_HDMI_HSYNC_ACTIVE_HIGH : constant := 1 * 2 ** 3;
+ PCH_HDMI_PORT_DETECT : constant := 1 * 2 ** 2;
+
+ PCH_HDMI_MASK : constant Word32 :=
+ PCH_TRANSCODER_SELECT_MASK or
+ PCH_HDMI_ENABLE or
+ PCH_HDMI_COLOR_FORMAT_MASK or
+ PCH_HDMI_SDVO_ENCODING_MASK or
+ PCH_HDMI_HSYNC_ACTIVE_HIGH or
+ PCH_HDMI_VSYNC_ACTIVE_HIGH;
+
+ type PCH_HDMI_Array is array (PCH_HDMI_Port) of Registers.Registers_Index;
+ PCH_HDMI : constant PCH_HDMI_Array := PCH_HDMI_Array'
+ (PCH_HDMI_B => Registers.PCH_HDMIB,
+ PCH_HDMI_C => Registers.PCH_HDMIC,
+ PCH_HDMI_D => Registers.PCH_HDMID);
+
+ ----------------------------------------------------------------------------
+
+ procedure On (Port_Cfg : Port_Config; FDI_Port : FDI_Port_Type)
+ is
+ Polarity : constant Word32 :=
+ (if Port_Cfg.Mode.H_Sync_Active_High then
+ PCH_HDMI_HSYNC_ACTIVE_HIGH else 0) or
+ (if Port_Cfg.Mode.V_Sync_Active_High then
+ PCH_HDMI_VSYNC_ACTIVE_HIGH else 0);
+ begin
+ pragma Debug (Debug.Put_Line (GNAT.Source_Info.Enclosing_Entity));
+
+ -- registers are just sufficient for setup with DVI adaptor
+
+ Registers.Unset_And_Set_Mask
+ (Register => PCH_HDMI (Port_Cfg.PCH_Port),
+ Mask_Unset => PCH_HDMI_MASK,
+ Mask_Set => PCH_HDMI_ENABLE or
+ PCH_TRANSCODER_SELECT (FDI_Port) or
+ PCH_HDMI_SDVO_ENCODING_HDMI or
+ Polarity);
+ end On;
+
+ ----------------------------------------------------------------------------
+
+ procedure Off (Port : PCH_HDMI_Port)
+ is
+ begin
+ pragma Debug (Debug.Put_Line (GNAT.Source_Info.Enclosing_Entity));
+
+ Registers.Unset_And_Set_Mask
+ (Register => PCH_HDMI (Port),
+ Mask_Unset => PCH_HDMI_MASK,
+ Mask_Set => PCH_HDMI_HSYNC_ACTIVE_HIGH or
+ PCH_HDMI_VSYNC_ACTIVE_HIGH);
+ end Off;
+
+ procedure All_Off
+ is
+ begin
+ pragma Debug (Debug.Put_Line (GNAT.Source_Info.Enclosing_Entity));
+
+ for Port in PCH_HDMI_Port loop
+ Off (Port);
+ end loop;
+ end All_Off;
+
+end HW.GFX.GMA.PCH.HDMI;