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/hw-gfx-gma.ads b/common/hw-gfx-gma.ads
new file mode 100644
index 0000000..465cf08
--- /dev/null
+++ b/common/hw-gfx-gma.ads
@@ -0,0 +1,138 @@
+--
+-- 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.Time;
+with HW.Port_IO;
+
+package HW.GFX.GMA
+with
+ Abstract_State =>
+ (State,
+ Init_State,
+ Config_State,
+ (Device_State with External)),
+ Initializes =>
+ (Init_State,
+ Config_State)
+is
+
+ type CPU_Type is
+ (Ironlake,
+ Sandybridge,
+ Ivybridge,
+ Haswell,
+ Broadwell,
+ Skylake);
+
+ type CPU_Variant is (Normal, ULT);
+
+ type Port_Type is
+ (Disabled,
+ Internal,
+ DP1,
+ DP2,
+ DP3,
+ Digital1,
+ Digital2,
+ Digital3,
+ Analog);
+ type Port_List_Range is range 0 .. 7;
+ type Port_List is array (Port_List_Range) of Port_Type;
+
+ type Config_Type is record
+ Port : Port_Type;
+ Framebuffer : Framebuffer_Type;
+ Mode : Mode_Type;
+ end record;
+ type Config_Index is (Primary, Secondary, Tertiary);
+ type Configs_Type is array (Config_Index) of Config_Type;
+
+ procedure Initialize
+ (MMIO_Base : in Word64 := 0;
+ Write_Delay : in Word64 := 0;
+ Success : out Boolean)
+ with
+ Global =>
+ (In_Out => (Config_State, Device_State, Port_IO.State),
+ Output => (State, Init_State),
+ Input => (Time.State)),
+ Post => Success = Is_Initialized;
+ function Is_Initialized return Boolean
+ with
+ Global => (Input => Init_State);
+
+ procedure Legacy_VGA_Off;
+
+ procedure Scan_Ports
+ (Configs : out Configs_Type;
+ Ports : in Port_List);
+ procedure Auto_Configure
+ (Configs : in out Configs_Type;
+ Keep_Power : in Boolean := False);
+ procedure Update_Outputs (Configs : Configs_Type);
+
+ pragma Warnings (GNATprove, Off, "subprogram ""Dump_Configs"" has no effect",
+ Reason => "It's only used for debugging");
+ procedure Dump_Configs (Configs : Configs_Type);
+
+ type GTT_Address_Type is mod 2 ** 39;
+ type GTT_Range is range 0 .. 16#8_0000# - 1;
+ procedure Write_GTT
+ (GTT_Page : GTT_Range;
+ Device_Address : GTT_Address_Type;
+ Valid : Boolean);
+
+ procedure Setup_Default_GTT (FB : Framebuffer_Type; Phys_FB : Word32);
+
+private
+
+ type GPU_Port is (DIGI_A, DIGI_B, DIGI_C, DIGI_D, DIGI_E);
+
+ subtype Digital_Port is GPU_Port range DIGI_A .. DIGI_E;
+
+ type PCH_Port is
+ (PCH_DAC, PCH_LVDS,
+ PCH_HDMI_B, PCH_HDMI_C, PCH_HDMI_D,
+ PCH_DP_B, PCH_DP_C, PCH_DP_D);
+
+ subtype PCH_HDMI_Port is PCH_Port range PCH_HDMI_B .. PCH_HDMI_D;
+ subtype PCH_DP_Port is PCH_Port range PCH_DP_B .. PCH_DP_D;
+
+ type Display_Type is (None, LVDS, DP, HDMI, VGA);
+
+ subtype Internal_Type is Display_Type range None .. DP;
+
+ type Port_Config is
+ record
+ Port : GPU_Port;
+ PCH_Port : GMA.PCH_Port;
+ Display : Display_Type;
+ Mode : Mode_Type;
+ Is_FDI : Boolean;
+ FDI : DP_Link;
+ DP : DP_Link;
+ end record;
+
+ type FDI_Training_Type is (Simple_Training, Full_Training, Auto_Training);
+
+ ----------------------------------------------------------------------------
+
+ type DP_Port is (DP_A, DP_B, DP_C, DP_D);
+
+ ----------------------------------------------------------------------------
+
+ VGA_SR_INDEX : constant Port_IO.Port_Type := 16#03c4#;
+ VGA_SR_DATA : constant Port_IO.Port_Type := 16#03c5#;
+ VGA_SR01 : constant Word8 := 16#01#;
+
+end HW.GFX.GMA;