diff options
Diffstat (limited to 'Board/EM/SwitchableGraphics/SgTpv/SgTpvPei.c')
| -rw-r--r-- | Board/EM/SwitchableGraphics/SgTpv/SgTpvPei.c | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/Board/EM/SwitchableGraphics/SgTpv/SgTpvPei.c b/Board/EM/SwitchableGraphics/SgTpv/SgTpvPei.c new file mode 100644 index 0000000..beb41c9 --- /dev/null +++ b/Board/EM/SwitchableGraphics/SgTpv/SgTpvPei.c @@ -0,0 +1,266 @@ +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2012, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** +//********************************************************************** +// $Header: /Alaska/SOURCE/Modules/SharkBayRefCodes/SwitchableGraphics/Sg TPV/SgTpvPei.c 4 10/30/13 6:42a Joshchou $ +// +// $Revision: 4 $ +// +// $Date: 10/30/13 6:42a $ +//********************************************************************** +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Modules/SharkBayRefCodes/SwitchableGraphics/Sg TPV/SgTpvPei.c $ +// +// 4 10/30/13 6:42a Joshchou +// [TAG] None +// [Category] Improvement +// [Description] system assert after clear nvram,and we have give it +// value,so do not assert +// +// 3 2/07/13 2:58a Joshchou +// [TAG] None +// [Category] Improvement +// [Description] Install a PPI for broadcasting OEM. +// +// 2 9/09/12 11:15p Joshchou +// [TAG] EIPNone +// [Category] New Feature +// [Description] Tpv module support for sharkbay. +// [Files] SgTpv.sdl +// SgTpv.mak +// SgTpvPei.c +// SgTpvPei.dxs +// SgTpvDxe.c +// SgTpvDxe.dxs +// SgTpv.cif +// +// 3 12/06/11 2:33a Alanlin +// [TAG] EIP76248 +// [Category] New Feature +// [Description] PX 5.0 feature updated. +// +// 2 10/14/11 2:54a Alanlin +// [TAG] EIP72054 +// [Category] Improvement +// [Description] SgTpv is not compatible with SETUP_DATA_LAYOUT_OVERRIDE +// in core > 4.6.4.1 +// [Files] Board\EM\SgTpv\SgTpvPei.c +// +// 1 6/27/11 5:25a Alanlin +// [TAG] EIP61848 +// [Category] New Feature +// [Description] Initial check-in.Integrated SwitchableGraphics Intel +// Reference code 0.6.0 +// [Files] SgTpv.cif +// SgTpv.sdl +// SgTpv.mak +// SgTpvPei.c +// SgTpvPei.dxs +// SgTpvDxe.c +// SgTpvDxe.dxs +// +// +// 5 3/17/11 6:12p Alexp +// 1. Add nNvOptimusSMM module part +// 2. cleaned up SgTpvPei.c +// 3. Optimus:Add code to preserve HD AudioCodec enable flag in CMOS +// +// 4 11/12/10 1:08p Alexp +// Update to match Intel HR SwitchableGraphics Reference Code Version +// 1.00 +// Code to set SSID for IGD moved to SgPei.c +// +// 3 9/30/10 2:51p Alexp +// [TAG] EIP43103 ---> Set IGD SSID/SVID based on the SG mode +// +// 2 9/21/10 5:23p Alexp +// [TAG] EIP43103 ---> re-arranged include statements +// +// 1 9/17/10 1:12p Alexp +// [TAG] EIP43103 +// [Category] Function Request +// [Severity] Normal +// [Symptom] Initial check-in of SgTPV module +// [RootCause] Request to implement SG reference code . +// [Solution] Initial check-in. +// [Files] +// SgTpv.cif;*.sdl;*.mak; +// SgTpvPei.c;*.dxs; +// SgTpvDxe.c;*.dxs +// +// +//********************************************************************** + +//<AMI_FHDR_START> +//---------------------------------------------------------------------------- +// +// Name: SgTpvPEI.c +// +// Description: This file contains the PEI SG Entry point SgPei_Init. +// The function updates SG Policy settings +// +// Notes: MAKE SURE NO PEI OR DXE SPECIFIC CODE IS NEEDED +// +//---------------------------------------------------------------------------- +//<AMI_FHDR_END> + +#include <Token.h> + +#define SETUP_GUID { 0xEC87D643, 0xEBA4, 0x4BB5, 0xA1, 0xE5, 0x3F, 0x3E, 0x36, 0xB2, 0x0D, 0xA9 } + +#if !defined(EDK_RELEASE_VERSION) || (EDK_RELEASE_VERSION < 0x00020000) +#include "EdkIIGluePeim.h" +#include "EdkIIGlueIoLib.h" +#endif + +#include "Pei.h" + +#include "SaAccess.h" + +#include EFI_PPI_DEPENDENCY (Variable) +#include EFI_PPI_DEPENDENCY (SaPlatformPolicy) +#include EFI_GUID_DEFINITION (SaDataHob) + +static EFI_GUID gSetupGuid = SETUP_GUID; + +#include <SetupDataDefinition.h> + +EFI_GUID guidEndOfSgTpvPei = EFI_PEI_END_OF_SG_TPV_PPI_GUID; + +static EFI_PEI_PPI_DESCRIPTOR EndOfSgTpvPpiList[] = +{ + { + EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST, + &guidEndOfSgTpvPei, NULL + } +}; + +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// Procedure: SgTpvPeiInit +// +// Description: This function is the entry point for this PEI. +// +// Input: FfsHeader Pointer to the FFS file header +// PeiServices Pointer to the PEI services table +// +// Output: Return Status based on errors that occurred while waiting for +// time to expire. +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> +EFI_STATUS +EFIAPI +SgTpvPeiInit ( + IN EFI_FFS_FILE_HEADER *FfsHeader, + IN EFI_PEI_SERVICES **PeiServices +) +{ + EFI_STATUS Status; + EFI_PEI_READ_ONLY_VARIABLE_PPI *VariableServices; + UINTN VariableSize; + SETUP_DATA SetupData; + + SA_PLATFORM_POLICY_PPI *SaPlatformPolicyPpi; + EFI_GUID gSaPlatformPolicyPpiGuid = SA_PLATFORM_POLICY_PPI_GUID; + +DEBUG ((EFI_D_ERROR, "==============SgTpvPeiInit==========\n")); + // + // Locate Variable Ppi + // + Status = (*PeiServices)->LocatePpi(PeiServices, + &gPeiReadOnlyVariablePpiGuid, + 0, + NULL, + &VariableServices); + + // + // Make sure we have a PPI, if not, just return. + // + if (!VariableServices) { + return EFI_UNSUPPORTED; + } + VariableSize = sizeof(SETUP_DATA); + // + // Get Setup Variable + // + Status = VariableServices->PeiGetVariable ( + PeiServices, + L"Setup", + &gSetupGuid, + NULL, + &VariableSize, + &SetupData); + + if (EFI_ERROR(Status)) + return Status; + + // + // Get platform policy settings through the SgPlatformPolicy PPI + // + Status = (**PeiServices).LocatePpi ( + PeiServices, + &gSaPlatformPolicyPpiGuid, + 0, + NULL, + &SaPlatformPolicyPpi + ); + ASSERT_EFI_ERROR (Status); + + // + // GPIO Assigned from policy + // + + // + // Initialzie the Platform Configuration + // + + // + // Switchable Graphics mode set as MUXED (By default) + // + if( SetupData.PrimaryDisplay == 4 ) { + SaPlatformPolicyPpi->PlatformData->SgMode = SetupData.SgMuxMode; + SaPlatformPolicyPpi->PlatformData->PXFixedDynamicMode = SetupData.PX_FIXED_DYNAMIC_MODE; + + } else if ((SetupData.PrimaryDisplay == 1) || (SetupData.PrimaryDisplay == 3)) { // PEG || Auto + + SaPlatformPolicyPpi->PlatformData->SgMode = 3;//SgModeDgpu; + + } else if (SetupData.PrimaryDisplay == 0) { // IGFX + // + // In IGFX only mode mode set Switchable Gfx mode as Disabled + // + SaPlatformPolicyPpi->PlatformData->SgMode = SgModeDisabled; + } + + // + // Set SSID/SVID for IGD in SG mode only + // + SaPlatformPolicyPpi->PlatformData->SgSubSystemId = (UINT16)((SG_MUXLESS_SSVID_DID >> 16 )& 0xFFFF); + (*PeiServices)->InstallPpi(PeiServices,EndOfSgTpvPpiList); + return Status; +} + +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2012, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** |