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Diffstat (limited to 'Board/EM/AmiGopPolicy/AmiGopPolicy.c')
| -rw-r--r-- | Board/EM/AmiGopPolicy/AmiGopPolicy.c | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/Board/EM/AmiGopPolicy/AmiGopPolicy.c b/Board/EM/AmiGopPolicy/AmiGopPolicy.c new file mode 100644 index 0000000..745a381 --- /dev/null +++ b/Board/EM/AmiGopPolicy/AmiGopPolicy.c @@ -0,0 +1,238 @@ +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2014, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** + +//********************************************************************** +// $Header: /Alaska/SOURCE/Modules/AmiGopPolicy/AmiGopPolicy.c 6 5/15/14 2:22a Jameswang $ +// +// $Revision: 6 $ +// +// $Date: 5/15/14 2:22a $ +//********************************************************************** +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Modules/AmiGopPolicy/AmiGopPolicy.c $ +// +// 6 5/15/14 2:22a Jameswang +// [TAG] EIP168961 +// [Category] Improvement +// [Description] Changed AmiGopOutputDp from AMI_GLOBAL_VARIABLE_GUID to +// AMI_GOP_POLICY_VARIABLE_GUID +// +// 5 4/03/13 4:16a Josephlin +// Fixed CPU Exception Erro if EdidOverrideProtoco got call. +// +// 4 12/18/12 11:03p Josephlin +// [TAG] EIP108311 +// [Category] Improvement +// [Description] Create eLINK "OemGopEdidOverrideGetEdidList" for easy +// to implement EdidOverrideProtocol in project. +// [Files] AmiGopPolicy.c +// AmiGopPolicy.sdl +// AmiGopPolicy.mak +// AmiGopPolicyLib.c +// +// 3 11/08/12 12:58a Josephlin +// [TAG] N/A +// [Category] Bug Fix +// [Severity] Normal +// [Symptom] SCT Test Fail +// [RootCause] EFI_GLOBAL_VARIABLE guid is used in non EFI defined +// variable. +// [Solution] New guid AMI_GLOBAL_VARIABLE_GUID is created and used. +// [Files] AmiGopPolicy.c +// +// 2 7/26/12 7:30a Josephlin +// Update File Header. +// +// 1 6/29/12 3:43a Josephlin +// [TAG] EIP91970 +// [Category] New Feature +// [Description] Initial Release for Display Switch with UEFI GOP driver +// support. +// [Files] AmiGopPolicy.cif +// AmiGopPolicy.c +// AmiGopPolicy.h +// AmiGopPolicy.mak +// AmiGopPolicy.sd +// AmiGopPolicy.sdl +// AmiGopPolicy.uni +// AmiGopPolicyLib.c +// AmiGopPolicySetup.c +// +//********************************************************************** +//<AMI_FHDR_START> +// +// Name: AmiGopPolicy.c +// +// Description: AmiGopPolicy output initialization in the DXE stage. +// +//<AMI_FHDR_END> +//********************************************************************** + +//---------------------------------------------------------------------- +// Include(s) +//---------------------------------------------------------------------- + +#include <Efi.h> +#include <AmiLib.h> +#include <AmiDxeLib.h> +#include <AmiCspLib.h> +#include <Setup.h> +#include <token.h> + +#include <Protocol\DevicePath.h> +#if OEM_EDID_OVERRIDE_PROTOCOL_SUPPORT +#include <Protocol\EdidOverride.h> +#endif +#include "AmiGopPolicy.h" + +//---------------------------------------------------------------------- +// Constant, Macro and Type Definition(s) +//---------------------------------------------------------------------- +// Constant Definition(s) + +// Macro Definition(s) + +// Type Definition(s) + +// Function Prototype(s) + +#if OEM_EDID_OVERRIDE_PROTOCOL_SUPPORT +EFI_STATUS AmiGopEdidOverrideGetEdid ( + IN EFI_EDID_OVERRIDE_PROTOCOL *This, + IN EFI_HANDLE *ChildHandle, + OUT UINT32 *Attributes, + IN OUT UINTN *EdidSize, + IN OUT UINT8 **Edid +); +#endif + +//---------------------------------------------------------------------- +// Variable and External Declaration(s) +//---------------------------------------------------------------------- +// Variable Declaration(s) + +// GUID Definition(s) + +static EFI_GUID gAmiGopPolicyVariableGuid = AMI_GOP_POLICY_VARIABLE_GUID; + +// Protocol Definition(s) + +#if OEM_EDID_OVERRIDE_PROTOCOL_SUPPORT +EFI_EDID_OVERRIDE_PROTOCOL EfiEdidOverrideProtocol = { + AmiGopEdidOverrideGetEdid +}; +#endif + +// External Declaration(s) + +// Function Definition(s) + +VOID ConnectDevicePath(IN EFI_DEVICE_PATH_PROTOCOL *pPath); + +//---------------------------------------------------------------------- + +//<AMI_PHDR_START> +//---------------------------------------------------------------------- +// Name: ConnectAmiGopPolicyConOut +// +// Description: None. +// +// Input: None. +// +// Output: None. +// +// Notes: None. +// +//---------------------------------------------------------------------- +//<AMI_PHDR_END> + +VOID ConnectAmiGopPolicyConOut (VOID) +{ + EFI_STATUS Status; + EFI_DEVICE_PATH_PROTOCOL *GopDevicePath = NULL; + UINTN VariableSize = 0; + + Status = GetEfiVariable ( + L"AmiGopOutputDp", + &gAmiGopPolicyVariableGuid, + NULL, + &VariableSize, + &GopDevicePath); + if ((EFI_ERROR(Status)) || (GopDevicePath == NULL)) return ; + + ConnectDevicePath(GopDevicePath); + + return; +} + +//<AMI_PHDR_START> +//---------------------------------------------------------------------- +// +// Procedure: AmiGopPolicyEntryPoint +// +// Description: Installs GOP related protocols +// +// Input: +// IN EFI_HANDLE ImageHandle, +// IN EFI_SYSTEM_TABLE *SystemTable +// +// Output: +// EFI_STATUS +// +// Modified: +// None +// +// Referrals: InitAmiLib InstallMultipleProtocolInterfaces +// +// Notes: +// Here is the control flow of this function: +// 1. Initialize Ami Lib. +// 2. Install Driver Binding Protocol +// 3. Return EFI_SUCCESS. +//---------------------------------------------------------------------- +//<AMI_PHDR_END> + +EFI_STATUS AmiGopPolicyEntryPoint ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable ) +{ + EFI_STATUS Status = EFI_SUCCESS; +#if OEM_EDID_OVERRIDE_PROTOCOL_SUPPORT + EFI_HANDLE Handle = NULL; + + InitAmiLib( ImageHandle, SystemTable ); + + Status = pBS->InstallMultipleProtocolInterfaces( + &Handle, + &gEfiEdidOverrideProtocolGuid, + &EfiEdidOverrideProtocol, + NULL ); +#endif + return Status; +} + +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2012, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** |