Upload BSD-licensed Vlv2TbltDevicePkg and Vlv2DeviceRefCodePkg to
https://svn.code.sf.net/p/edk2/code/trunk/edk2/, which are for MinnowBoard MAX open source project. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: David Wei <david.wei@intel.com> Reviewed-by: Mike Wu <mike.wu@intel.com> Reviewed-by: Hot Tian <hot.tian@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16599 6f19259b-4bc3-4df7-8a09-765794883524
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196
Vlv2TbltDevicePkg/PlatformGopPolicy/PlatformGopPolicy.c
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196
Vlv2TbltDevicePkg/PlatformGopPolicy/PlatformGopPolicy.c
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/*++
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Copyright (c) 1999 - 2014, Intel Corporation. All rights reserved
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This program and the accompanying materials are licensed and made available under
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the terms and conditions of the BSD License that accompanies this distribution.
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The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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--*/
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/** @file
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**/
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#include <Library/BaseMemoryLib.h>
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#include <Library/DebugLib.h>
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#include <Protocol/FirmwareVolume2.h>
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#include <Protocol/PlatformGopPolicy.h>
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#include <Guid/SetupVariable.h>
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#include <SetupMode.h>
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#include <Library/UefiRuntimeServicesTableLib.h>
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EFI_BOOT_SERVICES *gBS;
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PLATFORM_GOP_POLICY_PROTOCOL mPlatformGOPPolicy;
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//
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// Function implementations
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//
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/**
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The function will excute with as the platform policy, and gives
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the Platform Lid Status. IBV/OEM can customize this code for their specific
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policy action.
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@param CurrentLidStatus Gives the current LID Status
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@retval EFI_SUCCESS.
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**/
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EFI_STATUS
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EFIAPI
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GetPlatformLidStatus (
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OUT LID_STATUS *CurrentLidStatus
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)
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{
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*CurrentLidStatus = LidOpen;
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return EFI_SUCCESS;
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}
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/**
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The function will excute and gives the Video Bios Table Size and Address.
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@param VbtAddress Gives the Physical Address of Video BIOS Table
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@param VbtSize Gives the Size of Video BIOS Table
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@retval EFI_STATUS.
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**/
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EFI_STATUS
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EFIAPI
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GetVbtData (
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OUT EFI_PHYSICAL_ADDRESS *VbtAddress,
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OUT UINT32 *VbtSize
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)
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{
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EFI_STATUS Status;
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UINTN FvProtocolCount;
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EFI_HANDLE *FvHandles;
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EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv;
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UINTN Index;
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UINT32 AuthenticationStatus;
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UINT8 *Buffer;
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UINTN VbtBufferSize;
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Buffer = 0;
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FvHandles = NULL;
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if (VbtAddress == NULL || VbtSize == NULL){
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return EFI_INVALID_PARAMETER;
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}
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Status = gBS->LocateHandleBuffer (
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ByProtocol,
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&gEfiFirmwareVolume2ProtocolGuid,
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NULL,
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&FvProtocolCount,
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&FvHandles
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);
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if (!EFI_ERROR (Status)) {
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for (Index = 0; Index < FvProtocolCount; Index++) {
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Status = gBS->HandleProtocol (
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FvHandles[Index],
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&gEfiFirmwareVolume2ProtocolGuid,
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(VOID **) &Fv
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);
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VbtBufferSize = 0;
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Status = Fv->ReadSection (
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Fv,
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&gBmpImageGuid,
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EFI_SECTION_RAW,
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0,
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(void **)&Buffer,
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&VbtBufferSize,
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&AuthenticationStatus
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);
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if (!EFI_ERROR (Status)) {
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*VbtAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)Buffer;
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*VbtSize = (UINT32)VbtBufferSize;
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Status = EFI_SUCCESS;
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break;
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}
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}
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} else {
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Status = EFI_NOT_FOUND;
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}
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if (FvHandles != NULL) {
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gBS->FreePool (FvHandles);
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FvHandles = NULL;
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}
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return Status;
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}
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/**
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Entry point for the Platform GOP Policy Driver.
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@param ImageHandle Image handle of this driver.
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@param SystemTable Global system service table.
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@retval EFI_SUCCESS Initialization complete.
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@retval EFI_OUT_OF_RESOURCES Do not have enough resources to initialize the driver.
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**/
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EFI_STATUS
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EFIAPI
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PlatformGOPPolicyEntryPoint (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status = EFI_SUCCESS;
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SYSTEM_CONFIGURATION SystemConfiguration;
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UINTN VarSize;
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gBS = SystemTable->BootServices;
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gBS->SetMem (
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&mPlatformGOPPolicy,
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sizeof (PLATFORM_GOP_POLICY_PROTOCOL),
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0
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);
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mPlatformGOPPolicy.Revision = PLATFORM_GOP_POLICY_PROTOCOL_REVISION_01;
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mPlatformGOPPolicy.GetPlatformLidStatus = GetPlatformLidStatus;
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mPlatformGOPPolicy.GetVbtData = GetVbtData;
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//
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// Install protocol to allow access to this Policy.
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//
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VarSize = sizeof(SYSTEM_CONFIGURATION);
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Status = gRT->GetVariable(
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L"Setup",
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&gEfiNormalSetupGuid,
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NULL,
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&VarSize,
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&SystemConfiguration
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);
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ASSERT_EFI_ERROR(Status);
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if (SystemConfiguration.GOPEnable == 1)
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{
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Status = gBS->InstallMultipleProtocolInterfaces (
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