gma tgl: Add connector programming
This patch adds support for enabling displays on both combo PHY ports
and Type-C ports over DP-Alt mode.
Verified eDP, HDMI (not Type-C), and DP Alt mode on google/delbin.
Change-Id: I908e8bef8451d21eecde9ce6defddc2b3df7f738
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.sourcearcade.org/c/libgfxinit/+/469
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: Nico Huber <nico.h@gmx.de>
diff --git a/common/tigerlake/hw-gfx-gma-connectors-combo_phy.ads b/common/tigerlake/hw-gfx-gma-connectors-combo_phy.ads
new file mode 100644
index 0000000..b5347a2
--- /dev/null
+++ b/common/tigerlake/hw-gfx-gma-connectors-combo_phy.ads
@@ -0,0 +1,27 @@
+--
+-- Copyright (C) 2022 Google, LLC
+--
+-- 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.GFX.GMA.DP_Info;
+
+private package HW.GFX.GMA.Connectors.Combo_Phy is
+
+ procedure Set_Signal_Levels
+ (Port : Combo_Port;
+ eDP : Boolean;
+ Link : DP_Link;
+ Train_Set : DP_Info.Train_Set);
+
+ procedure Enable_HDMI (Port : Combo_Port);
+
+end HW.GFX.GMA.Connectors.Combo_Phy;