gma hsw bdw: Add DDI buffer translations
Change-Id: Ib87be86e2853e6b9df7e19dd9cb80d4f7effefc5
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/20166
Tested-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/common/haswell/Makefile.inc b/common/haswell/Makefile.inc
index dda1fc9..a75c189 100644
--- a/common/haswell/Makefile.inc
+++ b/common/haswell/Makefile.inc
@@ -1,3 +1,4 @@
+gfxinit-y += hw-gfx-gma-connectors-ddi-buffers.adb
gfxinit-y += hw-gfx-gma-connectors-ddi-buffers.ads
gfxinit-y += hw-gfx-gma-ddi_phy.ads
gfxinit-y += hw-gfx-gma-plls-lcpll.ads
diff --git a/common/haswell/hw-gfx-gma-connectors-ddi-buffers.adb b/common/haswell/hw-gfx-gma-connectors-ddi-buffers.adb
new file mode 100644
index 0000000..57066b9
--- /dev/null
+++ b/common/haswell/hw-gfx-gma-connectors-ddi-buffers.adb
@@ -0,0 +1,155 @@
+--
+-- Copyright (C) 2017 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.GFX.GMA.Config;
+
+package body HW.GFX.GMA.Connectors.DDI.Buffers
+is
+
+ subtype Haswell_HDMI_Range is DDI_HDMI_Buf_Trans_Range range 0 .. 11;
+ subtype Broadwell_HDMI_Range is DDI_HDMI_Buf_Trans_Range range 0 .. 9;
+
+ type HDMI_Buf_Trans is record
+ Trans1 : Word32;
+ Trans2 : Word32;
+ end record;
+ type HDMI_Buf_Trans_Array is array (Haswell_HDMI_Range) of HDMI_Buf_Trans;
+
+ ----------------------------------------------------------------------------
+
+ Haswell_Trans_DP : constant Buf_Trans_Array :=
+ (16#00ff_ffff#, 16#0006_000e#,
+ 16#00d7_5fff#, 16#0005_000a#,
+ 16#00c3_0fff#, 16#0004_0006#,
+ 16#80aa_afff#, 16#000b_0000#,
+ 16#00ff_ffff#, 16#0005_000a#,
+ 16#00d7_5fff#, 16#000c_0004#,
+ 16#80c3_0fff#, 16#000b_0000#,
+ 16#00ff_ffff#, 16#0004_0006#,
+ 16#80d7_5fff#, 16#000b_0000#,
+ others => 0);
+
+ Haswell_Trans_FDI : constant Buf_Trans_Array :=
+ (16#00ff_ffff#, 16#0007_000e#,
+ 16#00d7_5fff#, 16#000f_000a#,
+ 16#00c3_0fff#, 16#0006_0006#,
+ 16#00aa_afff#, 16#001e_0000#,
+ 16#00ff_ffff#, 16#000f_000a#,
+ 16#00d7_5fff#, 16#0016_0004#,
+ 16#00c3_0fff#, 16#001e_0000#,
+ 16#00ff_ffff#, 16#0006_0006#,
+ 16#00d7_5fff#, 16#001e_0000#,
+ others => 0);
+
+ Haswell_Trans_HDMI : constant HDMI_Buf_Trans_Array :=
+ ((16#00ff_ffff#, 16#0006_000e#),
+ (16#00e7_9fff#, 16#000e_000c#),
+ (16#00d7_5fff#, 16#0005_000a#),
+ (16#00ff_ffff#, 16#0005_000a#),
+ (16#00e7_9fff#, 16#001d_0007#),
+ (16#00d7_5fff#, 16#000c_0004#),
+ (16#00ff_ffff#, 16#0004_0006#),
+ (16#80e7_9fff#, 16#0003_0002#),
+ (16#00ff_ffff#, 16#0014_0005#),
+ (16#00ff_ffff#, 16#000c_0004#),
+ (16#00ff_ffff#, 16#001c_0003#),
+ (16#80ff_ffff#, 16#0003_0002#));
+
+ Broadwell_Trans_EDP : constant Buf_Trans_Array :=
+ (16#00ff_ffff#, 16#0000_0012#,
+ 16#00eb_afff#, 16#0002_0011#,
+ 16#00c7_1fff#, 16#0006_000f#,
+ 16#00aa_afff#, 16#000e_000a#,
+ 16#00ff_ffff#, 16#0002_0011#,
+ 16#00db_6fff#, 16#0005_000f#,
+ 16#00be_efff#, 16#000a_000c#,
+ 16#00ff_ffff#, 16#0005_000f#,
+ 16#00db_6fff#, 16#000a_000c#,
+ others => 0);
+
+ Broadwell_Trans_DP : constant Buf_Trans_Array :=
+ (16#00ff_ffff#, 16#0007_000e#,
+ 16#00d7_5fff#, 16#000e_000a#,
+ 16#00be_ffff#, 16#0014_0006#,
+ 16#80b2_cfff#, 16#001b_0002#,
+ 16#00ff_ffff#, 16#000e_000a#,
+ 16#00db_6fff#, 16#0016_0005#,
+ 16#80c7_1fff#, 16#001a_0002#,
+ 16#00f7_dfff#, 16#0018_0004#,
+ 16#80d7_5fff#, 16#001b_0002#,
+ others => 0);
+
+ Broadwell_Trans_FDI : constant Buf_Trans_Array :=
+ (16#00ff_ffff#, 16#0001_000e#,
+ 16#00d7_5fff#, 16#0004_000a#,
+ 16#00c3_0fff#, 16#0007_0006#,
+ 16#00aa_afff#, 16#000c_0000#,
+ 16#00ff_ffff#, 16#0004_000a#,
+ 16#00d7_5fff#, 16#0009_0004#,
+ 16#00c3_0fff#, 16#000c_0000#,
+ 16#00ff_ffff#, 16#0007_0006#,
+ 16#00d7_5fff#, 16#000c_0000#,
+ others => 0);
+
+ Broadwell_Trans_HDMI : constant HDMI_Buf_Trans_Array :=
+ ((16#00ff_ffff#, 16#0007_000e#),
+ (16#00d7_5fff#, 16#000e_000a#),
+ (16#00be_ffff#, 16#0014_0006#),
+ (16#00ff_ffff#, 16#0009_000d#),
+ (16#00ff_ffff#, 16#000e_000a#),
+ (16#00d7_ffff#, 16#0014_0006#),
+ (16#80cb_2fff#, 16#001b_0002#),
+ (16#00ff_ffff#, 16#0014_0006#),
+ (16#80e7_9fff#, 16#001b_0002#),
+ (16#80ff_ffff#, 16#001b_0002#),
+ others => (0, 0));
+
+ ----------------------------------------------------------------------------
+
+ procedure Translations (Trans : out Buf_Trans_Array; Port : Digital_Port)
+ is
+ HDMI_Trans : constant DDI_HDMI_Buf_Trans_Range :=
+ (if (Config.CPU = Broadwell and
+ Config.DDI_HDMI_Buffer_Translation in Broadwell_HDMI_Range)
+ or
+ (Config.CPU /= Broadwell and
+ Config.DDI_HDMI_Buffer_Translation in Haswell_HDMI_Range)
+ then Config.DDI_HDMI_Buffer_Translation
+ else Config.Default_DDI_HDMI_Buffer_Translation);
+ begin
+ Trans :=
+ (case Config.CPU is
+ when Broadwell =>
+ (case Port is
+ when DIGI_A =>
+ (if Config.EDP_Low_Voltage_Swing
+ then Broadwell_Trans_EDP
+ else Broadwell_Trans_DP),
+ when DIGI_B .. DIGI_D => Broadwell_Trans_DP,
+ when DIGI_E => Broadwell_Trans_FDI),
+ when others =>
+ (case Port is
+ when DIGI_A .. DIGI_D => Haswell_Trans_DP,
+ when DIGI_E => Haswell_Trans_FDI));
+ case Config.CPU is
+ when Broadwell =>
+ Trans (18) := Broadwell_Trans_HDMI (HDMI_Trans).Trans1;
+ Trans (19) := Broadwell_Trans_HDMI (HDMI_Trans).Trans2;
+ when others =>
+ Trans (18) := Haswell_Trans_HDMI (HDMI_Trans).Trans1;
+ Trans (19) := Haswell_Trans_HDMI (HDMI_Trans).Trans2;
+ end case;
+ end Translations;
+
+end HW.GFX.GMA.Connectors.DDI.Buffers;
diff --git a/common/haswell/hw-gfx-gma-connectors-ddi-buffers.ads b/common/haswell/hw-gfx-gma-connectors-ddi-buffers.ads
index 499226a..cc4b9ed 100644
--- a/common/haswell/hw-gfx-gma-connectors-ddi-buffers.ads
+++ b/common/haswell/hw-gfx-gma-connectors-ddi-buffers.ads
@@ -15,7 +15,6 @@
private package HW.GFX.GMA.Connectors.DDI.Buffers
is
- procedure Translations (Trans : out Buf_Trans_Array; Port : Digital_Port)
- is null;
+ procedure Translations (Trans : out Buf_Trans_Array; Port : Digital_Port);
end HW.GFX.GMA.Connectors.DDI.Buffers;