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--
-- Copyright (C) 2015-2018 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.
--
private package HW.GFX.GMA.Config
with
Initializes => (Valid_Port, Raw_Clock)
is
Gen : constant Generation := <<GEN>>;
CPU_First : constant CPU_Type :=
(case Gen is
when G45 => G45,
when Ironlake => Ironlake,
when Haswell => Haswell,
when Broxton => Broxton,
when Skylake => Skylake);
CPU_Last : constant CPU_Type :=
(case Gen is
when G45 => G45,
when Ironlake => Ivybridge,
when Haswell => Broadwell,
when Broxton => Broxton,
when Skylake => Skylake);
CPU_Var_Last : constant CPU_Variant :=
(case Gen is
when Haswell | Skylake => ULT,
when others => Normal);
subtype Gen_CPU_Type is CPU_Type range CPU_First .. CPU_Last;
subtype Gen_CPU_Variant is CPU_Variant range Normal .. CPU_Var_Last;
CPU : constant Gen_CPU_Type := <<CPU>>;
CPU_Var : constant Gen_CPU_Variant := <<CPU_VARIANT>>;
Internal_Display : constant Internal_Type := <<INTERNAL_PORT>>;
Analog_I2C_Port : constant PCH_Port := <<ANALOG_I2C_PORT>>;
EDP_Low_Voltage_Swing : constant Boolean := False;
DDI_HDMI_Buffer_Translation : constant Integer := -1;
Default_MMIO_Base : constant := <<DEFAULT_MMIO_BASE>>;
LVDS_Dual_Threshold : constant := 95_000_000;
----------------------------------------------------------------------------
Gen_G45 : constant Boolean := Gen = G45;
Gen_Ironlake : constant Boolean := Gen = Ironlake;
Gen_Haswell : constant Boolean := Gen = Haswell;
Gen_Broxton : constant Boolean := Gen = Broxton;
Gen_Skylake : constant Boolean := Gen = Skylake;
Up_To_Ironlake : constant Boolean := Gen <= Ironlake;
Ironlake_On : constant Boolean := Gen >= Ironlake;
Haswell_On : constant Boolean := Gen >= Haswell;
Broxton_On : constant Boolean := Gen >= Broxton;
Skylake_On : constant Boolean := Gen >= Skylake;
CPU_Ironlake : constant Boolean := Gen_Ironlake and then CPU = Ironlake;
CPU_Sandybridge : constant Boolean := Gen_Ironlake and then CPU = Sandybridge;
CPU_Ivybridge : constant Boolean := Gen_Ironlake and then CPU = Ivybridge;
CPU_Haswell : constant Boolean := Gen_Haswell and then CPU = Haswell;
CPU_Broadwell : constant Boolean := Gen_Haswell and then CPU = Broadwell;
Sandybridge_On : constant Boolean :=
((Gen_Ironlake and then CPU >= Sandybridge) or Haswell_On);
Ivybridge_On : constant Boolean :=
((Gen_Ironlake and then CPU >= Ivybridge) or Haswell_On);
Broadwell_On : constant Boolean :=
((Gen_Haswell and then CPU >= Broadwell) or Broxton_On);
----------------------------------------------------------------------------
Have_HDMI_Buf_Override : constant Boolean := DDI_HDMI_Buffer_Translation >= 0;
Default_MMIO_Base_Set : constant Boolean := Default_MMIO_Base /= 0;
Has_Internal_Display : constant Boolean := Internal_Display /= None;
Internal_Is_LVDS : constant Boolean := Internal_Display = LVDS;
Internal_Is_EDP : constant Boolean := Internal_Display = DP;
Have_DVI_I : constant Boolean := Analog_I2C_Port /= PCH_DAC;
Has_Presence_Straps : constant Boolean := not Gen_Broxton;
Is_ULT : constant Boolean :=
((Gen_Haswell or Gen_Skylake) and then CPU_Var = ULT);
----- CPU pipe: --------
Has_Tertiary_Pipe : constant Boolean := Ivybridge_On;
Disable_Trickle_Feed : constant Boolean := not Gen_Haswell;
Pipe_Enabled_Workaround : constant Boolean := CPU_Broadwell;
Has_EDP_Transcoder : constant Boolean := Haswell_On;
Use_PDW_For_EDP_Scaling : constant Boolean := CPU_Haswell;
Has_Pipe_DDI_Func : constant Boolean := Haswell_On;
Has_Trans_Clk_Sel : constant Boolean := Haswell_On;
Has_Pipe_MSA_Misc : constant Boolean := Haswell_On;
Has_Pipeconf_Misc : constant Boolean := Broadwell_On;
Has_Pipeconf_BPC : constant Boolean := not CPU_Haswell;
Has_Plane_Control : constant Boolean := Broxton_On;
Has_DSP_Linoff : constant Boolean := Up_To_Ironlake;
Has_PF_Pipe_Select : constant Boolean := CPU_Ivybridge or CPU_Haswell;
Has_Cursor_FBC_Control : constant Boolean := Ivybridge_On;
VGA_Plane_Workaround : constant Boolean := CPU_Ivybridge;
Has_GMCH_DP_Transcoder : constant Boolean := Gen_G45;
Has_GMCH_VGACNTRL : constant Boolean := Gen_G45;
Has_GMCH_PFIT_CONTROL : constant Boolean := Gen_G45;
----- Panel power: -----
Has_PP_Write_Protection : constant Boolean := Up_To_Ironlake;
Has_PP_Port_Select : constant Boolean := Up_To_Ironlake;
Use_PP_VDD_Override : constant Boolean := Up_To_Ironlake;
Has_PCH_Panel_Power : constant Boolean := Ironlake_On;
----- PCH/FDI: ---------
Has_PCH : constant Boolean := not Gen_Broxton and not Gen_G45;
Has_PCH_DAC : constant Boolean :=
(Gen_Ironlake or (Gen_Haswell and then not Is_ULT));
Has_PCH_Aux_Channels : constant Boolean := Gen_Ironlake or Gen_Haswell;
VGA_Has_Sync_Disable : constant Boolean := Up_To_Ironlake;
Has_Trans_Timing_Ovrrde : constant Boolean := Sandybridge_On;
Has_DPLL_SEL : constant Boolean := Gen_Ironlake;
Has_FDI_BPC : constant Boolean := Gen_Ironlake;
Has_FDI_Composite_Sel : constant Boolean := CPU_Ivybridge;
Has_New_FDI_Sink : constant Boolean := Sandybridge_On;
Has_New_FDI_Source : constant Boolean := Ivybridge_On;
Has_Trans_DP_Ctl : constant Boolean := CPU_Sandybridge or CPU_Ivybridge;
Has_FDI_C : constant Boolean := CPU_Ivybridge;
Has_FDI_RX_Power_Down : constant Boolean := Gen_Haswell;
Has_GMCH_RawClk : constant Boolean := Gen_G45;
----- DDI: -------------
End_EDP_Training_Late : constant Boolean := Gen_Haswell;
Has_Per_DDI_Clock_Sel : constant Boolean := Gen_Haswell;
Has_HOTPLUG_CTL : constant Boolean := Gen_Haswell;
Has_SHOTPLUG_CTL_A : constant Boolean :=
((Gen_Haswell and then Is_ULT) or Skylake_On);
Has_DDI_PHYs : constant Boolean := Gen_Broxton;
Has_DDI_D : constant Boolean :=
((Gen_Haswell or Gen_Skylake) and then not Is_ULT);
Has_DDI_E : constant Boolean := -- might be disabled by x4 eDP
Has_DDI_D;
Has_DDI_Buffer_Trans : constant Boolean := Haswell_On and
not Gen_Broxton;
Has_Low_Voltage_Swing : constant Boolean := Broxton_On;
Has_Iboost_Config : constant Boolean := Skylake_On;
Need_DP_Aux_Mutex : constant Boolean := False; -- Skylake & (PSR | GTC)
----- GMBUS: -----------
Ungate_GMBUS_Unit_Level : constant Boolean := Skylake_On;
GMBUS_Alternative_Pins : constant Boolean := Gen_Broxton;
Has_PCH_GMBUS : constant Boolean := Ironlake_On;
----- Power: -----------
Has_IPS : constant Boolean :=
(Gen_Haswell and then
((CPU_Haswell and Is_ULT) or CPU_Broadwell));
Has_IPS_CTL_Mailbox : constant Boolean := CPU_Broadwell;
Has_Per_Pipe_SRD : constant Boolean := Broadwell_On;
----- GTT: -------------
Has_64bit_GTT : constant Boolean := Broadwell_On;
----------------------------------------------------------------------------
Max_Pipe : constant Pipe_Index :=
(if Has_Tertiary_Pipe then Tertiary else Secondary);
Valid_Port : array (Port_Type) of Boolean := (others => False)
with
Part_Of => GMA.Config_State;
Last_Digital_Port : constant Digital_Port :=
(if Has_DDI_E then DIGI_E else DIGI_C);
----------------------------------------------------------------------------
type FDI_Per_Port is array (Port_Type) of Boolean;
Is_FDI_Port : constant FDI_Per_Port :=
(Disabled => False,
Internal => Gen_Ironlake and Internal_Is_LVDS,
DP1 .. HDMI3 => Gen_Ironlake,
Analog => Has_PCH_DAC);
type FDI_Lanes_Per_Port is array (GPU_Port) of DP_Lane_Count;
FDI_Lane_Count : constant FDI_Lanes_Per_Port :=
(DIGI_D => DP_Lane_Count_2,
others => (if Gen_Ironlake then DP_Lane_Count_4 else DP_Lane_Count_2));
FDI_Training : constant FDI_Training_Type :=
(if CPU_Ironlake then Simple_Training
elsif CPU_Sandybridge then Full_Training
else Auto_Training);
----------------------------------------------------------------------------
Default_DDI_HDMI_Buffer_Translation : constant DDI_HDMI_Buf_Trans_Range :=
(if CPU_Haswell then 6
elsif CPU_Broadwell then 7
elsif Broxton_On then 8
else 0);
----------------------------------------------------------------------------
Default_CDClk_Freq : constant Frequency_Type :=
(if Gen_G45 then 320_000_000 -- unused
elsif CPU_Ironlake or Gen_Haswell then 450_000_000
elsif CPU_Sandybridge or CPU_Ivybridge then 400_000_000
elsif Gen_Broxton then 288_000_000
elsif Gen_Skylake then 337_500_000
else Frequency_Type'First);
Default_RawClk_Freq : constant Frequency_Type :=
(if Gen_G45 then 100_000_000 -- unused, depends on FSB
elsif Gen_Ironlake then 125_000_000
elsif Gen_Haswell then (if Is_ULT then 24_000_000 else 125_000_000)
elsif Gen_Broxton then Frequency_Type'First -- none needed
elsif Gen_Skylake then 24_000_000
else Frequency_Type'First);
Raw_Clock : Frequency_Type := Default_RawClk_Freq
with Part_Of => GMA.Config_State;
----------------------------------------------------------------------------
-- Maximum source width with enabled scaler. This only accounts
-- for simple 1:1 pipe:scaler mappings.
type Width_Per_Pipe is array (Pipe_Index) of Width_Type;
Maximum_Scalable_Width : constant Width_Per_Pipe :=
(if Gen_G45 then -- TODO: Is this true?
(Primary => 4096,
Secondary => 2048,
Tertiary => Pos32'First)
elsif Gen_Ironlake or CPU_Haswell then
(Primary => 4096,
Secondary => 2048,
Tertiary => 2048)
else
(Primary => 4096,
Secondary => 4096,
Tertiary => 4096));
-- Maximum X position of hardware cursors
Maximum_Cursor_X : constant := (case Gen is
when G45 .. Ironlake => 4095,
when Haswell .. Skylake => 8191);
Maximum_Cursor_Y : constant := 4095;
----------------------------------------------------------------------------
-- FIXME: Unknown for Broxton, Linux' i915 contains a fixme too :-D
HDMI_Max_Clock_24bpp : constant Frequency_Type :=
(if Haswell_On then 300_000_000 else 225_000_000);
----------------------------------------------------------------------------
GTT_PTE_Size : constant := (if Has_64bit_GTT then 8 else 4);
Fence_Base : constant :=
(if not Sandybridge_On then 16#0000_3000# else 16#0010_0000#);
Fence_Count : constant :=
(if not Ivybridge_On then 16 else 32);
----------------------------------------------------------------------------
use type HW.Word16;
function Is_Broadwell_H (Device_Id : Word16) return Boolean is
(Device_Id = 16#1612# or Device_Id = 16#1622# or Device_Id = 16#162a#);
function Is_Skylake_U (Device_Id : Word16) return Boolean is
(Device_Id = 16#1906# or Device_Id = 16#1916# or Device_Id = 16#1923# or
Device_Id = 16#1926# or Device_Id = 16#1927#);
-- Rather catch too much here than too little,
-- it's only used to distinguish generations.
function Is_GPU (Device_Id : Word16; CPU : CPU_Type; CPU_Var : CPU_Variant)
return Boolean is
(case CPU is
when G45 => (Device_Id and 16#ff02#) = 16#2e02# or
(Device_Id and 16#fffe#) = 16#2a42#,
when Ironlake => (Device_Id and 16#fff3#) = 16#0042#,
when Sandybridge => (Device_Id and 16#ffc2#) = 16#0102#,
when Ivybridge => (Device_Id and 16#ffc3#) = 16#0142#,
when Haswell =>
(case CPU_Var is
when Normal => (Device_Id and 16#ffc3#) = 16#0402# or
(Device_Id and 16#ffc3#) = 16#0d02#,
when ULT => (Device_Id and 16#ffc3#) = 16#0a02#),
when Broadwell => ((Device_Id and 16#ffc3#) = 16#1602# or
(Device_Id and 16#ffcf#) = 16#160b# or
(Device_Id and 16#ffcf#) = 16#160d#) and
(case CPU_Var is
when Normal => Is_Broadwell_H (Device_Id),
when ULT => not Is_Broadwell_H (Device_Id)),
when Broxton => (Device_Id and 16#fffe#) = 16#5a84#,
when Skylake => ((Device_Id and 16#ffc3#) = 16#1902# or
(Device_Id and 16#ffcf#) = 16#190b# or
(Device_Id and 16#ffcf#) = 16#190d# or
(Device_Id and 16#fff9#) = 16#1921#) and
(case CPU_Var is
when Normal => not Is_Skylake_U (Device_Id),
when ULT => Is_Skylake_U (Device_Id)));
function Compatible_GPU (Device_Id : Word16) return Boolean is
(Is_GPU (Device_Id, CPU, CPU_Var));
end HW.GFX.GMA.Config;