diff options
Diffstat (limited to 'Board/EM/AmiGopPolicy/AmiGopPolicyLib.c')
| -rw-r--r-- | Board/EM/AmiGopPolicy/AmiGopPolicyLib.c | 461 |
1 files changed, 461 insertions, 0 deletions
diff --git a/Board/EM/AmiGopPolicy/AmiGopPolicyLib.c b/Board/EM/AmiGopPolicy/AmiGopPolicyLib.c new file mode 100644 index 0000000..00d9f3c --- /dev/null +++ b/Board/EM/AmiGopPolicy/AmiGopPolicyLib.c @@ -0,0 +1,461 @@ +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2012, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** + +//********************************************************************** +// $Header: /Alaska/SOURCE/Modules/AmiGopPolicy/AmiGopPolicyLib.c 9 12/18/12 11:04p Josephlin $ +// +// $Revision: 9 $ +// +// $Date: 12/18/12 11:04p $ +//********************************************************************** +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Modules/AmiGopPolicy/AmiGopPolicyLib.c $ +// +// 9 12/18/12 11:04p 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 +// +// 8 10/29/12 5:53a Josephlin +// [TAG] EIP103432 +// [Category] Bug Fix +// [Severity] Normal +// [Symptom] System hang up druing display switching with external GOP +// card. +// [RootCause] Compiler optimize issue. +// [Solution] Using the optimize pragma to prevent system hang up druing +// display switching. +// +// 7 8/23/12 5:50a Josephlin +// Change eLink handling processing to consider the hierarchy of +// xxxxxHookList. This is able to avoid that get incorrect status. +// +// 6 8/23/12 2:41a Josephlin +// Remove unnecessary conditionally including to fix build fail problem if +// CSM_SUPPORT = OFF. +// +// 5 7/30/12 5:31a Josephlin +// Removed bus number checking in AmiDefaultGopDeviceCheck() to consider +// the DSC-only platform supporting. +// +// 3 7/26/12 7:30a Josephlin +// Update File Header. +// +// 2 7/23/12 3:32a Josephlin +// 1. Added input argument SetupData for eLink OemGopSwitchHookList. +// 2. Created token "AmiGopPolicySetupFile" and "AmiGopPolicySetupString" +// for override sd and uni file. +// 3. Rename AmiGopPolicyCallback to AmiGopSwitchCallback in case user +// confuse. +// +// 1 6/29/12 3:44a 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: AmiGopPolicyLib.c +// +// Description: AmiGopPolicy initialization code in the Library 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 <AmiLoadCsmPolicy.h> + +#include <Protocol\DevicePath.h> +#if OEM_EDID_OVERRIDE_PROTOCOL_SUPPORT +#include <Protocol\EdidOverride.h> +#endif + +//---------------------------------------------------------------------- +// Constant, Macro and Type Definition(s) +//---------------------------------------------------------------------- +// Constant Definition(s) + +// Macro Definition(s) + +// Type Definition(s) + +typedef EFI_STATUS (OEM_GOP_DEVICE_CHECK) ( + IN EFI_HANDLE ControllerHandle, + IN EFI_HANDLE DriverBindingHandle, + IN EFI_PCI_IO_PROTOCOL *PciIo +); + +typedef EFI_STATUS (OEM_GOP_SWITCH_HOOK) ( + IN EFI_HANDLE ControllerHandle, + IN EFI_HANDLE DriverBindingHandle, + IN SETUP_DATA *SetupData, + IN EFI_DEVICE_PATH_PROTOCOL *DevicePath +); + +#if OEM_EDID_OVERRIDE_PROTOCOL_SUPPORT +typedef EFI_STATUS (OEM_GOP_EDID_OVERRIDE_GET_EDID) ( + IN EFI_EDID_OVERRIDE_PROTOCOL *This, + IN EFI_HANDLE *ChildHandle, + OUT UINT32 *Attributes, + IN OUT UINTN *EdidSize, + IN OUT UINT8 **Edid +); +#endif + +extern OEM_GOP_DEVICE_CHECK OEM_GOP_DEVICE_CHECK_LIST EndOfOemGopDeviceCheckList; +extern OEM_GOP_SWITCH_HOOK OEM_GOP_SWITCH_HOOK_LIST EndOfOemGopSwitchHookList; +#if OEM_EDID_OVERRIDE_PROTOCOL_SUPPORT +extern OEM_GOP_EDID_OVERRIDE_GET_EDID OEM_GOP_EDID_OVERRIDE_GET_EDID_LIST EndOfOemGopEdidOverrideGetEdidList; +#endif + +// Function Prototype(s) + +EFI_STATUS ConnectGopDevicePath ( + IN EFI_HANDLE DriverBindingHandle, + IN EFI_DEVICE_PATH_PROTOCOL *pPath ); + +//---------------------------------------------------------------------- +// Variable and External Declaration(s) +//---------------------------------------------------------------------- +// Variable Declaration(s) + +OEM_GOP_DEVICE_CHECK* OemGopDeviceCheckList[] = {OEM_GOP_DEVICE_CHECK_LIST NULL}; +OEM_GOP_SWITCH_HOOK* OemGopSwitchHookList[] = {OEM_GOP_SWITCH_HOOK_LIST NULL}; +#if OEM_EDID_OVERRIDE_PROTOCOL_SUPPORT +OEM_GOP_EDID_OVERRIDE_GET_EDID* OemGopEdidOverrideGetEdidList[] = {OEM_GOP_EDID_OVERRIDE_GET_EDID_LIST NULL}; +#endif + +// GUID Definition(s) + +static EFI_GUID gAmiCsmThunkProtocolGuid = AMI_CSM_THUNK_PROTOCOL_GUID; + +// Protocol Definition(s) + +// External Declaration(s) + +// Function Definition(s) + +//---------------------------------------------------------------------- + +#pragma optimize("", off) + +//<AMI_PHDR_START> +//---------------------------------------------------------------------- +// Name: AmiGopDeviceCheck +// +// Description: None. +// +// Input: None. +// +// Output: None. +// +// Notes: None. +// +//---------------------------------------------------------------------- +//<AMI_PHDR_END> + +EFI_STATUS +AmiGopDeviceCheck ( + IN EFI_HANDLE ControllerHandle, + IN EFI_HANDLE DriverBindingHandle, + IN EFI_PCI_IO_PROTOCOL *PciIo ) +{ + EFI_STATUS Status = EFI_SUCCESS; + UINTN i; + + for (i = 0; OemGopDeviceCheckList[i] != NULL; i++) { + Status = OemGopDeviceCheckList[i] (ControllerHandle, DriverBindingHandle, PciIo); + if(!EFI_ERROR(Status)) break; + } + + return Status; +} + +//<AMI_PHDR_START> +//---------------------------------------------------------------------- +// Name: AmiDefaultGopDeviceCheck +// +// Description: Check if this VGA supports Display Switching function. +// +// Input: IN EFI_HANDLE ControllerHandle +// IN EFI_HANDLE DriverBindingHandle +// IN EFI_PCI_IO_PROTOCOL *PciIo +// +// Output: None. +// +// Notes: Display Switching function may failed because the GOP +// Driver is not supporting. Please contact VGA vendor to +// check for this function supporting. +// +//---------------------------------------------------------------------- +//<AMI_PHDR_END> + +EFI_STATUS +AmiDefaultGopDeviceCheck ( + IN EFI_HANDLE ControllerHandle, + IN EFI_HANDLE DriverBindingHandle, + IN EFI_PCI_IO_PROTOCOL *PciIo ) +{ + EFI_STATUS Status; + UINT8 PciClassCode; + + if (!PciIo) return EFI_INVALID_PARAMETER; + + // Check if this is ThunkDriver + Status = pBS->OpenProtocol( + DriverBindingHandle, + &gAmiCsmThunkProtocolGuid, + NULL, + NULL, + NULL, + EFI_OPEN_PROTOCOL_TEST_PROTOCOL); + if (!EFI_ERROR(Status)) return EFI_UNSUPPORTED; + + // Check if this is VGA controller + Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint8, PCI_BCC, 1, &PciClassCode); + if (EFI_ERROR(Status) || (PciClassCode != PCI_CL_DISPLAY)) return EFI_UNSUPPORTED; + + return EFI_SUCCESS; +} + +//<AMI_PHDR_START> +//---------------------------------------------------------------------- +// Name: AmiGopSwitchHook +// +// Description: None. +// +// Input: None. +// +// Output: None. +// +// Notes: None. +// +//---------------------------------------------------------------------- +//<AMI_PHDR_END> + +EFI_STATUS +AmiGopSwitchHook ( + IN EFI_HANDLE ControllerHandle, + IN EFI_HANDLE DriverBindingHandle, + IN SETUP_DATA *SetupData, + IN EFI_DEVICE_PATH_PROTOCOL *DevicePath ) +{ + EFI_STATUS Status = EFI_SUCCESS; + UINTN i; + + for (i = 0; OemGopSwitchHookList[i] != NULL; i++) { + Status = OemGopSwitchHookList[i] (ControllerHandle, DriverBindingHandle, SetupData, DevicePath); + if(!EFI_ERROR(Status)) break; + } + + return Status; +} + +//<AMI_PHDR_START> +//---------------------------------------------------------------------- +// Name: AmiDefaultGopSwitchFunction +// +// Description: None. +// +// Input: None. +// +// Output: None. +// +// Notes: None. +// +//---------------------------------------------------------------------- +//<AMI_PHDR_END> + +EFI_STATUS +AmiDefaultGopSwitchFunction ( + IN EFI_HANDLE ControllerHandle, + IN EFI_HANDLE DriverBindingHandle, + IN SETUP_DATA *SetupData, + IN EFI_DEVICE_PATH_PROTOCOL *DevicePath ) +{ + EFI_STATUS Status = EFI_SUCCESS; + + Status = pBS->DisconnectController (ControllerHandle, NULL, NULL); + Status = ConnectGopDevicePath(DriverBindingHandle, DevicePath); + + return Status; +} + +#if OEM_EDID_OVERRIDE_PROTOCOL_SUPPORT +//<AMI_PHDR_START> +//---------------------------------------------------------------------- +// Name: AmiGopEdidOverrideGetEdid +// +// Description: None. +// +// Input: None. +// +// Output: None. +// +// Notes: None. +// +//---------------------------------------------------------------------- +//<AMI_PHDR_END> + +EFI_STATUS +AmiGopEdidOverrideGetEdid ( + IN EFI_EDID_OVERRIDE_PROTOCOL *This, + IN EFI_HANDLE *ChildHandle, + OUT UINT32 *Attributes, + IN OUT UINTN *EdidSize, + IN OUT UINT8 **Edid ) +{ + EFI_STATUS Status = EFI_SUCCESS; + UINTN i; + + for (i = 0; OemGopEdidOverrideGetEdidList[i] != NULL; i++) { + Status = OemGopEdidOverrideGetEdidList[i] (This, ChildHandle, Attributes, EdidSize, Edid); + if(!EFI_ERROR(Status)) break; + } + + return Status; +} + +//<AMI_PHDR_START> +//---------------------------------------------------------------------- +// Name: AmiDefaultGopEdidOverrideGetEdid +// +// Description: None. +// +// Input: None. +// +// Output: None. +// +// Notes: None. +// +//---------------------------------------------------------------------- +//<AMI_PHDR_END> + +EFI_STATUS +AmiDefaultGopEdidOverrideGetEdid ( + IN EFI_EDID_OVERRIDE_PROTOCOL *This, + IN EFI_HANDLE *ChildHandle, + OUT UINT32 *Attributes, + IN OUT UINTN *EdidSize, + IN OUT UINT8 **Edid ) +{ + EFI_STATUS Status = EFI_UNSUPPORTED; + + return EFI_UNSUPPORTED; +} +#endif + +#pragma optimize("", on) + +//<AMI_PHDR_START> +//---------------------------------------------------------------------- +// Name: ConnectGopDevicePath +// +// Description: None. +// +// Input: None. +// +// Output: None. +// +// Notes: None. +// +//---------------------------------------------------------------------- +//<AMI_PHDR_END> + +EFI_STATUS +ConnectGopDevicePath ( + IN EFI_HANDLE DriverBindingHandle, + IN EFI_DEVICE_PATH_PROTOCOL *pPath ) +{ + EFI_HANDLE Handle; + EFI_STATUS Status; + EFI_STATUS ConnectStatus = EFI_UNSUPPORTED; + + if (pPath == NULL) return EFI_INVALID_PARAMETER; + while (TRUE) + { + EFI_DEVICE_PATH_PROTOCOL *pLastPath=NULL, *pFirstNode = pPath; + if (isEndNode(pPath)) + { + if (pPath->SubType == END_ENTIRE_SUBTYPE) break; + pPath++; + continue; + } + while(TRUE){ + EFI_DEVICE_PATH_PROTOCOL *Dp; + UINT8 SubType; + + pPath = pFirstNode; + + //LocateDevicePath can not work with multi-instance device paths. + //Prepare single instance device path and call LocateDevicePath + Dp = DPGetEndNode(pPath); + SubType = Dp->SubType; + Dp->SubType=END_ENTIRE_SUBTYPE; + Status = pBS->LocateDevicePath(&gEfiDevicePathProtocolGuid, &pPath, &Handle); + Dp->SubType=SubType; + if (EFI_ERROR(Status)) break; + + if (pPath==pLastPath) break; + pLastPath = pPath; + ConnectStatus = pBS->ConnectController(Handle, &DriverBindingHandle, pPath, TRUE); + if (EFI_ERROR(ConnectStatus)) break; + else return ConnectStatus; + } + while (!isEndNode(pPath)) + pPath = NEXT_NODE(pPath); + } + + return ConnectStatus; +} + +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2012, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** |