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-rw-r--r--Core/EM/CSM/thunk/CsmVideo/AmiMapping.c162
-rw-r--r--Core/EM/CSM/thunk/CsmVideo/AmiMapping.h153
-rw-r--r--Core/EM/CSM/thunk/CsmVideo/ComponentName.c324
-rw-r--r--Core/EM/CSM/thunk/CsmVideo/CsmVideo.cif20
-rw-r--r--Core/EM/CSM/thunk/CsmVideo/CsmVideo.dxs46
-rw-r--r--Core/EM/CSM/thunk/CsmVideo/CsmVideo.mak66
-rw-r--r--Core/EM/CSM/thunk/CsmVideo/CsmVideo.sdl58
-rw-r--r--Core/EM/CSM/thunk/CsmVideo/UefiBiosVideo.c3886
-rw-r--r--Core/EM/CSM/thunk/CsmVideo/UefiBiosVideo.h597
-rw-r--r--Core/EM/CSM/thunk/CsmVideo/VesaBiosExtensions.h463
-rw-r--r--Core/EM/CSM/thunk/CsmVideo/VgaClass.c1349
-rw-r--r--Core/EM/CSM/thunk/CsmVideo/VgaClass.h418
-rw-r--r--Core/EM/CSM/thunk/CsmVideo/VgaMiniPort.h78
-rw-r--r--Core/EM/CSM/thunk/CsmVideo/pci22.h621
14 files changed, 8241 insertions, 0 deletions
diff --git a/Core/EM/CSM/thunk/CsmVideo/AmiMapping.c b/Core/EM/CSM/thunk/CsmVideo/AmiMapping.c
new file mode 100644
index 0000000..88c165b
--- /dev/null
+++ b/Core/EM/CSM/thunk/CsmVideo/AmiMapping.c
@@ -0,0 +1,162 @@
+//**********************************************************************
+//**********************************************************************
+//** **
+//** (C)Copyright 1985-2006, American Megatrends, Inc. **
+//** **
+//** All Rights Reserved. **
+//** **
+//** 6145-F Northbelt Pkwy, Norcross, GA 30071 **
+//** **
+//** Phone: (770)-246-8600 **
+//** **
+//**********************************************************************
+//**********************************************************************
+
+//**********************************************************************
+// $Header: /Alaska/SOURCE/Modules/CSM/Generic/Thunk/CsmVideo/AmiMapping.c 2 3/04/11 2:28p Olegi $
+//
+// $Revision: 2 $
+//
+// $Date: 3/04/11 2:28p $
+//**********************************************************************
+// Revision History
+// ----------------
+// $Log: /Alaska/SOURCE/Modules/CSM/Generic/Thunk/CsmVideo/AmiMapping.c $
+//
+// 2 3/04/11 2:28p Olegi
+// [TAG] EIP55098
+// [Category] Spec Update
+// [Severity] Important
+// [Description] Install EFI_COMPONENT_NAME_PROTOCOL if BIOS is in UEFI
+// 2.0 mode and EFI_COMPONENT_NAME2_PROTOCOL if BIOS is in UEFI 2.1 mode.
+// [Files] UefiBiosVideo.h
+// UefiBiosVideo.c
+// ComponentName.c
+// AmiMapping.h
+// AmiMapping.c
+//
+// 1 12/29/06 3:33p Felixp
+//
+//**********************************************************************
+//<AMI_FHDR_START>
+//
+// Name: AmiMapping.c
+//
+// Description: Mapping from EDK to AMI definitions
+//
+//<AMI_FHDR_END>
+//**********************************************************************
+#include "AmiMapping.h"
+#include "VgaMiniPort.h"
+
+EFI_GUID gEfiVgaMiniPortProtocolGuid = EFI_VGA_MINI_PORT_PROTOCOL_GUID;
+
+EFI_STATUS EfiLibInstallAllDriverProtocols (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable,
+ IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding,
+ IN EFI_HANDLE DriverBindingHandle,
+#if EFI_SPECIFICATION_VERSION <= 0x20000
+ IN EFI_COMPONENT_NAME_PROTOCOL *ComponentName, OPTIONAL
+#else
+ IN EFI_COMPONENT_NAME2_PROTOCOL *ComponentName, OPTIONAL
+#endif
+ IN VOID/*EFI_DRIVER_CONFIGURATION_PROTOCOL*/ *DriverConfiguration, OPTIONAL
+ IN VOID/*EFI_DRIVER_DIAGNOSTICS_PROTOCOL*/ *DriverDiagnostics OPTIONAL
+)
+{
+ EFI_STATUS Status;
+ InitAmiLib (ImageHandle, SystemTable);
+ DriverBinding->ImageHandle = ImageHandle;
+ DriverBinding->DriverBindingHandle = DriverBindingHandle;
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &DriverBinding->DriverBindingHandle,
+ &gEfiDriverBindingProtocolGuid, DriverBinding,
+ NULL
+ );
+ if (EFI_ERROR(Status)) return Status;
+ if (ComponentName)
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &DriverBinding->DriverBindingHandle,
+#if EFI_SPECIFICATION_VERSION <= 0x20000
+ &gEfiComponentNameProtocolGuid, ComponentName,
+#else
+ &gEfiComponentName2ProtocolGuid,ComponentName,
+#endif
+ NULL
+ );
+ return Status;
+}
+
+BOOLEAN
+EfiLibCompareLanguage (
+ CHAR8 *Language1,
+ CHAR8 *Language2
+ )
+
+{
+ return *(UINT16*)Language1==*(UINT16*)Language2
+ && Language1[2]==Language2[2];
+}
+
+EFI_STATUS EfiLibLookupUnicodeString (
+ CHAR8 *Language,
+ CHAR8 *SupportedLanguages,
+ EFI_UNICODE_STRING_TABLE *UnicodeStringTable,
+ CHAR16 **UnicodeString
+ )
+{
+ //
+ // Make sure the parameters are valid
+ //
+ if (Language == NULL || UnicodeString == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // If there are no supported languages, or the Unicode String Table is empty, then the
+ // Unicode String specified by Language is not supported by this Unicode String Table
+ //
+ if (SupportedLanguages == NULL || UnicodeStringTable == NULL) {
+ return EFI_UNSUPPORTED;
+ }
+
+ //
+ // Make sure Language is in the set of Supported Languages
+ //
+ while (*SupportedLanguages != 0) {
+ if (EfiLibCompareLanguage (Language, SupportedLanguages)) {
+
+ //
+ // Search the Unicode String Table for the matching Language specifier
+ //
+ while (UnicodeStringTable->Language != NULL) {
+ if (EfiLibCompareLanguage (Language, UnicodeStringTable->Language)) {
+
+ //
+ // A matching string was found, so return it
+ //
+ *UnicodeString = UnicodeStringTable->UnicodeString;
+ return EFI_SUCCESS;
+ }
+ UnicodeStringTable++;
+ }
+ return EFI_UNSUPPORTED;
+ }
+ SupportedLanguages += 3;
+ }
+ return EFI_UNSUPPORTED;
+}
+//**********************************************************************
+//**********************************************************************
+//** **
+//** (C)Copyright 1985-2006, American Megatrends, Inc. **
+//** **
+//** All Rights Reserved. **
+//** **
+//** 6145-F Northbelt Pkwy, Norcross, GA 30071 **
+//** **
+//** Phone: (770)-246-8600 **
+//** **
+//**********************************************************************
+//********************************************************************** \ No newline at end of file
diff --git a/Core/EM/CSM/thunk/CsmVideo/AmiMapping.h b/Core/EM/CSM/thunk/CsmVideo/AmiMapping.h
new file mode 100644
index 0000000..9c92d54
--- /dev/null
+++ b/Core/EM/CSM/thunk/CsmVideo/AmiMapping.h
@@ -0,0 +1,153 @@
+//**********************************************************************
+//**********************************************************************
+//** **
+//** (C)Copyright 1985-2006, American Megatrends, Inc. **
+//** **
+//** All Rights Reserved. **
+//** **
+//** 6145-F Northbelt Pkwy, Norcross, GA 30071 **
+//** **
+//** Phone: (770)-246-8600 **
+//** **
+//**********************************************************************
+//**********************************************************************
+
+//**********************************************************************
+// $Header: /Alaska/SOURCE/Modules/CSM/Generic/Thunk/CsmVideo/AmiMapping.h 3 12/23/13 10:21a Olegi $
+//
+// $Revision: 3 $
+//
+// $Date: 12/23/13 10:21a $
+//**********************************************************************
+// Revision History
+// ----------------
+// $Log: /Alaska/SOURCE/Modules/CSM/Generic/Thunk/CsmVideo/AmiMapping.h $
+//
+// 3 12/23/13 10:21a Olegi
+// [TAG] EIP148123
+// [Description] CSM includes file which name has been changed
+//
+// 2 3/04/11 2:28p Olegi
+// [TAG] EIP55098
+// [Category] Spec Update
+// [Severity] Important
+// [Description] Install EFI_COMPONENT_NAME_PROTOCOL if BIOS is in UEFI
+// 2.0 mode and EFI_COMPONENT_NAME2_PROTOCOL if BIOS is in UEFI 2.1 mode.
+// [Files] UefiBiosVideo.h
+// UefiBiosVideo.c
+// ComponentName.c
+// AmiMapping.h
+// AmiMapping.c
+//
+// 1 12/29/06 3:33p Felixp
+//
+//**********************************************************************
+//<AMI_FHDR_START>
+//
+// Name: AmiMapping.h
+//
+// Description: Mapping from EDK to AMI definitions
+//
+//<AMI_FHDR_END>
+//**********************************************************************
+#ifndef __AMI_MAPPING__H__
+#define __AMI_MAPPING__H__
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include <Protocol/DriverBinding.h>
+#include <Protocol/ComponentName.h>
+#include <AmiDxeLib.h>
+#include <Token.h>
+
+#define STATIC static
+#define EFI_GUID_DEFINITION(a)
+#define EFI_PROTOCOL_DEFINITION(a) CONVERT_TO_STRING(Protocol/a.h)
+#define EFI_DRIVER_ENTRY_POINT(a)
+#define EFI_TPL_NOTIFY TPL_NOTIFY
+#define EFI_SIGNATURE_16(A,B) ((A) | (B<<8))
+#define EFI_SIGNATURE_32(A,B,C,D) (EFI_SIGNATURE_16(A,B) | (EFI_SIGNATURE_16(C,D) << 16))
+
+#define EfiZeroMem(Address, Length) gBS->SetMem ((Address), (Length), 0)
+#define gBS pBS
+#define ReportStatusCodeWithDevicePath(a,b,c,d,e)
+
+#define ACPI_ADR_DISPLAY_TYPE_VGA 1
+#define ACPI_DISPLAY_ADR(_DeviceIdScheme, _HeadId, _NonVgaOutput, _BiosCanDetect, _VendorInfo, _Type, _Port, _Index) \
+ ((UINT32) ( (((_DeviceIdScheme) & 0x1) << 31) | \
+ (((_HeadId) & 0x7) << 18) | \
+ (((_NonVgaOutput) & 0x1) << 17) | \
+ (((_BiosCanDetect) & 0x1) << 16) | \
+ (((_VendorInfo) & 0xf) << 12) | \
+ (((_Type) & 0xf) << 8) | \
+ (((_Port) & 0xf) << 4) | \
+ ((_Index) & 0xf) ))
+#if defined CORE_COMBINED_VERSION && (CORE_COMBINED_VERSION < 0x4028F)
+#define SetDevicePathNodeLength SET_NODE_LENGTH
+#endif
+
+#define EfiAppendDevicePathNode DPAddNode
+#define CR(pField, OutterType, Field, Signature) OUTTER(pField, Field, OutterType)
+#define EFI_SEGMENT(_Adr) (UINT16) ((UINT16) (((UINTN) (_Adr)) >> 4) & 0xf000)
+#define EFI_OFFSET(_Adr) (UINT16) (((UINT16) ((UINTN) (_Adr))) & 0xffff)
+#define EFI_SIMPLE_TEXT_OUT_PROTOCOL EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL
+#define EFI_SIMPLE_TEXT_OUTPUT_MODE SIMPLE_TEXT_OUTPUT_MODE
+#define CHAR_NULL 0x0000
+#define CHAR_BACKSPACE 0x0008
+#define CHAR_TAB 0x0009
+#define CHAR_LINEFEED 0x000A
+#define CHAR_CARRIAGE_RETURN 0x000D
+
+typedef struct {
+ CHAR8 *Language;
+ CHAR16 *UnicodeString;
+} EFI_UNICODE_STRING_TABLE;
+
+#define INSTALL_ALL_DRIVER_PROTOCOLS EfiLibInstallAllDriverProtocols
+EFI_STATUS
+EfiLibInstallAllDriverProtocols (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable,
+ IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding,
+ IN EFI_HANDLE DriverBindingHandle,
+#if EFI_SPECIFICATION_VERSION <= 0x20000
+ IN EFI_COMPONENT_NAME_PROTOCOL *ComponentName, OPTIONAL
+#else
+ IN EFI_COMPONENT_NAME2_PROTOCOL *ComponentName, OPTIONAL
+#endif
+ IN VOID/*EFI_DRIVER_CONFIGURATION_PROTOCOL*/ *DriverConfiguration, OPTIONAL
+ IN VOID/*EFI_DRIVER_DIAGNOSTICS_PROTOCOL*/ *DriverDiagnostics OPTIONAL
+ );
+
+EFI_STATUS
+EfiLibLookupUnicodeString (
+ CHAR8 *Language,
+ CHAR8 *SupportedLanguages,
+ EFI_UNICODE_STRING_TABLE *UnicodeStringTable,
+ CHAR16 **UnicodeString
+ );
+
+EFI_STATUS
+EFIAPI
+VgaClassDriverEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+/****** DO NOT WRITE BELOW THIS LINE *******/
+#ifdef __cplusplus
+}
+#endif
+#endif
+//**********************************************************************
+//**********************************************************************
+//** **
+//** (C)Copyright 1985-2006, American Megatrends, Inc. **
+//** **
+//** All Rights Reserved. **
+//** **
+//** 6145-F Northbelt Pkwy, Norcross, GA 30071 **
+//** **
+//** Phone: (770)-246-8600 **
+//** **
+//**********************************************************************
+//********************************************************************** \ No newline at end of file
diff --git a/Core/EM/CSM/thunk/CsmVideo/ComponentName.c b/Core/EM/CSM/thunk/CsmVideo/ComponentName.c
new file mode 100644
index 0000000..786cec4
--- /dev/null
+++ b/Core/EM/CSM/thunk/CsmVideo/ComponentName.c
@@ -0,0 +1,324 @@
+//**********************************************************************
+//**********************************************************************
+//** **
+//** (C)Copyright 1985-2013, American Megatrends, Inc. **
+//** **
+//** All Rights Reserved. **
+//** **
+//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 **
+//** **
+//** Phone: (770)-246-8600 **
+//** **
+//**********************************************************************
+//**********************************************************************
+
+/*++
+ This file contains a 'Sample Driver' and is licensed as such
+ under the terms of your license agreement with Intel or your
+ vendor. This file may be modified by the user, subject to
+ the additional terms of the license agreement
+--*/
+/*++
+
+Copyright (c) 1999 - 2002 Intel Corporation. All rights reserved
+This software and associated documentation (if any) is furnished
+under a license and may only be used or copied in accordance
+with the terms of the license. Except as permitted by such
+license, no part of this software or documentation may be
+reproduced, stored in a retrieval system, or transmitted in any
+form or by any means without the express written consent of
+Intel Corporation.
+
+Module Name:
+
+ ComponentName.c
+
+Abstract:
+
+--*/
+//*** AMI PORTING BEGIN ***//
+//This file is not part of the component.
+//#include "BiosVideo.h"
+#include "UefiBiosVideo.h"
+//*** AMI PORTING END *****//
+
+//
+// EFI Component Name Functions
+//
+EFI_STATUS
+EFIAPI
+BiosVideoComponentNameGetDriverName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN CHAR8 *Language,
+ OUT CHAR16 **DriverName
+ );
+
+EFI_STATUS
+EFIAPI
+BiosVideoComponentNameGetControllerName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_HANDLE ChildHandle OPTIONAL,
+ IN CHAR8 *Language,
+ OUT CHAR16 **ControllerName
+ );
+
+EFI_STATUS
+
+EFIAPI
+BiosVideoComponentName2GetDriverName (
+ IN EFI_COMPONENT_NAME2_PROTOCOL *This,
+ IN CHAR8 *Language,
+ OUT CHAR16 **DriverName
+ );
+
+
+EFI_STATUS
+EFIAPI
+BiosVideoComponentName2GetControllerName (
+ IN EFI_COMPONENT_NAME2_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_HANDLE ChildHandle OPTIONAL,
+ IN CHAR8 *Language,
+ OUT CHAR16 **ControllerName
+ );
+
+
+//
+// EFI Component Name Protocol
+//
+EFI_COMPONENT_NAME2_PROTOCOL gBiosVideoComponentName2 = {
+ BiosVideoComponentName2GetDriverName,
+ BiosVideoComponentName2GetControllerName,
+ LANGUAGE_CODE_ENGLISH
+};
+
+EFI_COMPONENT_NAME_PROTOCOL gBiosVideoComponentName = {
+ BiosVideoComponentNameGetDriverName,
+ BiosVideoComponentNameGetControllerName,
+ "eng"
+};
+
+static EFI_UNICODE_STRING_TABLE mBiosVideoDriverNameTable[] = {
+ {
+ "eng",
+ L"BIOS[INT10] Video Driver"
+ },
+ {
+ NULL,
+ NULL
+ }
+};
+
+static EFI_UNICODE_STRING_TABLE mBiosVideoDriverNameTable2[] = {
+ {
+ LANGUAGE_CODE_ENGLISH,
+ L"BIOS[INT10] Video Driver"
+ },
+ {
+ NULL,
+ NULL
+ }
+};
+
+EFI_STATUS
+EFIAPI
+BiosVideoComponentNameGetDriverName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN CHAR8 *Language,
+ OUT CHAR16 **DriverName
+ )
+/*++
+
+ Routine Description:
+ Retrieves a Unicode string that is the user readable name of the EFI Driver.
+
+ Arguments:
+ This - A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance.
+ Language - A pointer to a three character ISO 639-2 language identifier.
+ This is the language of the driver name that that the caller
+ is requesting, and it must match one of the languages specified
+ in SupportedLanguages. The number of languages supported by a
+ driver is up to the driver writer.
+ DriverName - A pointer to the Unicode string to return. This Unicode string
+ is the name of the driver specified by This in the language
+ specified by Language.
+
+ Returns:
+ EFI_SUCCESS - The Unicode string for the Driver specified by This
+ and the language specified by Language was returned
+ in DriverName.
+ EFI_INVALID_PARAMETER - Language is NULL.
+ EFI_INVALID_PARAMETER - DriverName is NULL.
+ EFI_UNSUPPORTED - The driver specified by This does not support the
+ language specified by Language.
+
+--*/
+{
+
+ return EfiLibLookupUnicodeString (
+ Language,
+ gBiosVideoComponentName.SupportedLanguages,
+ mBiosVideoDriverNameTable,
+ DriverName
+ );
+}
+
+EFI_STATUS
+EFIAPI
+BiosVideoComponentNameGetControllerName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_HANDLE ChildHandle OPTIONAL,
+ IN CHAR8 *Language,
+ OUT CHAR16 **ControllerName
+ )
+/*++
+
+ Routine Description:
+ Retrieves a Unicode string that is the user readable name of the controller
+ that is being managed by an EFI Driver.
+
+ Arguments:
+ This - A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance.
+ ControllerHandle - The handle of a controller that the driver specified by
+ This is managing. This handle specifies the controller
+ whose name is to be returned.
+ ChildHandle - The handle of the child controller to retrieve the name
+ of. This is an optional parameter that may be NULL. It
+ will be NULL for device drivers. It will also be NULL
+ for a bus drivers that wish to retrieve the name of the
+ bus controller. It will not be NULL for a bus driver
+ that wishes to retrieve the name of a child controller.
+ Language - A pointer to a three character ISO 639-2 language
+ identifier. This is the language of the controller name
+ that that the caller is requesting, and it must match one
+ of the languages specified in SupportedLanguages. The
+ number of languages supported by a driver is up to the
+ driver writer.
+ ControllerName - A pointer to the Unicode string to return. This Unicode
+ string is the name of the controller specified by
+ ControllerHandle and ChildHandle in the language specified
+ by Language from the point of view of the driver specified
+ by This.
+
+ Returns:
+ EFI_SUCCESS - The Unicode string for the user readable name in the
+ language specified by Language for the driver
+ specified by This was returned in DriverName.
+ EFI_INVALID_PARAMETER - ControllerHandle is not a valid EFI_HANDLE.
+ EFI_INVALID_PARAMETER - ChildHandle is not NULL and it is not a valid EFI_HANDLE.
+ EFI_INVALID_PARAMETER - Language is NULL.
+ EFI_INVALID_PARAMETER - ControllerName is NULL.
+ EFI_UNSUPPORTED - The driver specified by This is not currently managing
+ the controller specified by ControllerHandle and
+ ChildHandle.
+ EFI_UNSUPPORTED - The driver specified by This does not support the
+ language specified by Language.
+
+--*/
+{
+ return EFI_UNSUPPORTED;
+}
+
+
+EFI_STATUS
+EFIAPI
+BiosVideoComponentName2GetDriverName (
+ IN EFI_COMPONENT_NAME2_PROTOCOL *This,
+ IN CHAR8 *Language,
+ OUT CHAR16 **DriverName
+ )
+/*++
+
+ Routine Description:
+ Retrieves a Unicode string that is the user readable name of the EFI Driver.
+
+ Arguments:
+ This - A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance.
+ Language - A pointer to a three character ISO 639-2 language identifier.
+ This is the language of the driver name that that the caller
+ is requesting, and it must match one of the languages specified
+ in SupportedLanguages. The number of languages supported by a
+ driver is up to the driver writer.
+ DriverName - A pointer to the Unicode string to return. This Unicode string
+ is the name of the driver specified by This in the language
+ specified by Language.
+
+ Returns:
+ EFI_SUCCESS - The Unicode string for the Driver specified by This
+ and the language specified by Language was returned
+ in DriverName.
+ EFI_INVALID_PARAMETER - Language is NULL.
+ EFI_INVALID_PARAMETER - DriverName is NULL.
+ EFI_UNSUPPORTED - The driver specified by This does not support the
+ language specified by Language.
+
+--*/
+{
+
+ return EfiLibLookupUnicodeString (
+ Language,
+ gBiosVideoComponentName2.SupportedLanguages,
+ mBiosVideoDriverNameTable2,
+ DriverName
+ );
+}
+
+
+EFI_STATUS
+EFIAPI
+BiosVideoComponentName2GetControllerName (
+ IN EFI_COMPONENT_NAME2_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_HANDLE ChildHandle OPTIONAL,
+ IN CHAR8 *Language,
+ OUT CHAR16 **ControllerName
+ )
+/*++
+
+ Routine Description:
+ Retrieves a Unicode string that is the user readable name of the controller
+ that is being managed by an EFI Driver.
+
+ Arguments:
+ This - A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance.
+ ControllerHandle - The handle of a controller that the driver specified by
+ This is managing. This handle specifies the controller
+ whose name is to be returned.
+ ChildHandle - The handle of the child controller to retrieve the name
+ of. This is an optional parameter that may be NULL. It
+ will be NULL for device drivers. It will also be NULL
+ for a bus drivers that wish to retrieve the name of the
+ bus controller. It will not be NULL for a bus driver
+ that wishes to retrieve the name of a child controller.
+ Language - A pointer to a three character ISO 639-2 language
+ identifier. This is the language of the controller name
+ that that the caller is requesting, and it must match one
+ of the languages specified in SupportedLanguages. The
+ number of languages supported by a driver is up to the
+ driver writer.
+ ControllerName - A pointer to the Unicode string to return. This Unicode
+ string is the name of the controller specified by
+ ControllerHandle and ChildHandle in the language specified
+ by Language from the point of view of the driver specified
+ by This.
+
+ Returns:
+ EFI_SUCCESS - The Unicode string for the user readable name in the
+ language specified by Language for the driver
+ specified by This was returned in DriverName.
+ EFI_INVALID_PARAMETER - ControllerHandle is not a valid EFI_HANDLE.
+ EFI_INVALID_PARAMETER - ChildHandle is not NULL and it is not a valid EFI_HANDLE.
+ EFI_INVALID_PARAMETER - Language is NULL.
+ EFI_INVALID_PARAMETER - ControllerName is NULL.
+ EFI_UNSUPPORTED - The driver specified by This is not currently managing
+ the controller specified by ControllerHandle and
+ ChildHandle.
+ EFI_UNSUPPORTED - The driver specified by This does not support the
+ language specified by Language.
+
+--*/
+{
+ return EFI_UNSUPPORTED;
+}
diff --git a/Core/EM/CSM/thunk/CsmVideo/CsmVideo.cif b/Core/EM/CSM/thunk/CsmVideo/CsmVideo.cif
new file mode 100644
index 0000000..e357445
--- /dev/null
+++ b/Core/EM/CSM/thunk/CsmVideo/CsmVideo.cif
@@ -0,0 +1,20 @@
+<component>
+ name = "CsmVideo"
+ category = ModulePart
+ LocalRoot = "Core\EM\CSM\Thunk\CsmVideo\"
+ RefName = "CsmVideo"
+[files]
+"CsmVideo.sdl"
+"CsmVideo.mak"
+"UefiBiosVideo.h"
+"UefiBiosVideo.c"
+"ComponentName.c"
+"VesaBiosExtensions.h"
+"pci22.h"
+"AmiMapping.h"
+"AmiMapping.c"
+"VgaMiniPort.h"
+"VgaClass.h"
+"VgaClass.c"
+"CsmVideo.dxs"
+<endComponent>
diff --git a/Core/EM/CSM/thunk/CsmVideo/CsmVideo.dxs b/Core/EM/CSM/thunk/CsmVideo/CsmVideo.dxs
new file mode 100644
index 0000000..2f961f5
--- /dev/null
+++ b/Core/EM/CSM/thunk/CsmVideo/CsmVideo.dxs
@@ -0,0 +1,46 @@
+//**********************************************************************
+//**********************************************************************
+//** **
+//** (C)Copyright 1985-2011, American Megatrends, Inc. **
+//** **
+//** All Rights Reserved. **
+//** **
+//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 **
+//** **
+//** Phone: (770)-246-8600 **
+//** **
+//**********************************************************************
+//**********************************************************************
+// $Header: /Alaska/SOURCE/Modules/CSM/Generic/Thunk/CsmVideo/CsmVideo.dxs 1 11/10/11 6:34p Olegi $
+//
+// $Revision: 1 $
+//
+// $Date: 11/10/11 6:34p $
+//**********************************************************************
+// Revision History
+// ----------------
+// $Log: /Alaska/SOURCE/Modules/CSM/Generic/Thunk/CsmVideo/CsmVideo.dxs $
+//
+// 1 11/10/11 6:34p Olegi
+//
+//**********************************************************************
+
+#include <Protocol\LegacyBios.h>
+
+DEPENDENCY_START
+ EFI_LEGACY_BIOS_PROTOCOL_GUID
+DEPENDENCY_END
+
+//**********************************************************************
+//**********************************************************************
+//** **
+//** (C)Copyright 1985-2011, American Megatrends, Inc. **
+//** **
+//** All Rights Reserved. **
+//** **
+//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 **
+//** **
+//** Phone: (770)-246-8600 **
+//** **
+//**********************************************************************
+//**********************************************************************
diff --git a/Core/EM/CSM/thunk/CsmVideo/CsmVideo.mak b/Core/EM/CSM/thunk/CsmVideo/CsmVideo.mak
new file mode 100644
index 0000000..4d59620
--- /dev/null
+++ b/Core/EM/CSM/thunk/CsmVideo/CsmVideo.mak
@@ -0,0 +1,66 @@
+#**********************************************************************
+#**********************************************************************
+#** **
+#** (C)Copyright 1985-2006, American Megatrends, Inc. **
+#** **
+#** All Rights Reserved. **
+#** **
+#** 6145-F Northbelt Pkwy, Norcross, GA 30071 **
+#** **
+#** Phone: (770)-246-8600 **
+#** **
+#**********************************************************************
+#**********************************************************************
+
+#**********************************************************************
+# $Header: /Alaska/SOURCE/Modules/CSM/Generic/Thunk/CsmVideo/CsmVideo.mak 2 4/27/07 5:18p Olegi $
+#
+# $Revision: 2 $
+#
+# $Date: 4/27/07 5:18p $
+#**********************************************************************
+# Revision History
+# ----------------
+# $Log: /Alaska/SOURCE/Modules/CSM/Generic/Thunk/CsmVideo/CsmVideo.mak $
+#
+# 2 4/27/07 5:18p Olegi
+#
+# 1 12/29/06 3:33p Felixp
+#
+#**********************************************************************
+#<AMI_FHDR_START>
+#
+# Name: CsmVideo.mak
+#
+# Description: CSM Video make file
+#
+#<AMI_FHDR_END>
+#**********************************************************************
+all : CsmVideo
+
+CsmVideo : $(BUILD_DIR)\CsmVideo.mak CsmVideoBin
+
+$(BUILD_DIR)\CsmVideo.mak : $(CsmVideo_DIR)\$(@B).cif $(CsmVideo_DIR)\$(@B).mak $(BUILD_RULES)
+ $(CIF2MAK) $(CsmVideo_DIR)\$(@B).cif $(CIF2MAK_DEFAULTS)
+
+CsmVideoBin : $(AMIDXELIB)
+ $(MAKE) /$(MAKEFLAGS) $(BUILD_DEFAULTS)\
+ /f $(BUILD_DIR)\CsmVideo.mak all\
+ GUID=29CF55F8-B675-4f5d-8F2F-B87A3ECFD063\
+ ENTRY_POINT=BiosVideoDriverEntryPoint\
+ EXT_HEADERS=$(BUILD_DIR)\Token.h\
+ TYPE=BS_DRIVER \
+ COMPRESS=1
+#**********************************************************************
+#**********************************************************************
+#** **
+#** (C)Copyright 1985-2006, American Megatrends, Inc. **
+#** **
+#** All Rights Reserved. **
+#** **
+#** 6145-F Northbelt Pkwy, Norcross, GA 30071 **
+#** **
+#** Phone: (770)-246-8600 **
+#** **
+#**********************************************************************
+#********************************************************************** \ No newline at end of file
diff --git a/Core/EM/CSM/thunk/CsmVideo/CsmVideo.sdl b/Core/EM/CSM/thunk/CsmVideo/CsmVideo.sdl
new file mode 100644
index 0000000..19768e8
--- /dev/null
+++ b/Core/EM/CSM/thunk/CsmVideo/CsmVideo.sdl
@@ -0,0 +1,58 @@
+TOKEN
+ Name = "CsmVideo_SUPPORT"
+ Value = "1"
+ Help = "Main switch to enable CsmVideo support in Project"
+ TokenType = Boolean
+ TargetEQU = Yes
+ TargetMAK = Yes
+ Master = Yes
+End
+
+TOKEN
+ Name = "INT10_VESA_GO_SUPPORT"
+ Value = "1"
+ Help = "Enables/Disables support of the Graphics Output protocol using VESA INT10 extensions"
+ TokenType = Boolean
+ TargetH = Yes
+End
+
+TOKEN
+ Name = "INT10_VGA_GO_SUPPORT"
+ Value = "0"
+ Help = "Enables/Disables support of the Graphics Output protocol using standard VGA INT10 calls in 640x480 16 color mode.\If both VGA_GO_SUPPORT and VESA_GO_SUPPORT enabled, VGA calls will only be used if VESA extensions are not supported by the video card."
+ TokenType = Boolean
+ TargetH = Yes
+End
+
+TOKEN
+ Name = "INT10_SIMPLE_TEXT_SUPPORT"
+ Value = "1"
+ Help = "Enables/Disables support of the Simple Text Output protocol using text mode.\If VGA_GO_SUPPORT or VESA_GO_SUPPORT or both enabled, text mode will will only be used if neither VESA nor standard VGA graphical modes are supported"
+ TokenType = Boolean
+ TargetH = Yes
+End
+
+TOKEN
+ Name = "INT10_TRUST_EDID_INFORMATION"
+ Value = "1"
+ Help = "Some SSUs(Server Switch Units) return invalid EDID information, for these turn this switch off."
+ TokenType = Boolean
+ TargetH = Yes
+End
+
+
+PATH
+ Name = "CsmVideo_DIR"
+End
+
+MODULE
+ Help = "Includes CsmVideo.mak to Project"
+ File = "CsmVideo.mak"
+End
+
+ELINK
+ Name = "$(BUILD_DIR)\CsmVideo.ffs"
+ Parent = "FV_MAIN"
+ InvokeOrder = AfterParent
+End
+
diff --git a/Core/EM/CSM/thunk/CsmVideo/UefiBiosVideo.c b/Core/EM/CSM/thunk/CsmVideo/UefiBiosVideo.c
new file mode 100644
index 0000000..ddbe46c
--- /dev/null
+++ b/Core/EM/CSM/thunk/CsmVideo/UefiBiosVideo.c
@@ -0,0 +1,3886 @@
+//**********************************************************************
+//**********************************************************************
+//** **
+//** (C)Copyright 1985-2014, American Megatrends, Inc. **
+//** **
+//** All Rights Reserved. **
+//** **
+//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 **
+//** **
+//** Phone: (770)-246-8600 **
+//** **
+//**********************************************************************
+//**********************************************************************
+
+/*++
+ This file contains a 'Sample Driver' and is licensed as such
+ under the terms of your license agreement with Intel or your
+ vendor. This file may be modified by the user, subject to
+ the additional terms of the license agreement
+--*/
+/*++
+
+Copyright (c) 2006 Intel Corporation. All rights reserved
+This software and associated documentation (if any) is furnished
+under a license and may only be used or copied in accordance
+with the terms of the license. Except as permitted by such
+license, no part of this software or documentation may be
+reproduced, stored in a retrieval system, or transmitted in any
+form or by any means without the express written consent of
+Intel Corporation.
+
+Module Name:
+
+ BiosVideo.c
+
+Abstract:
+
+ ConsoleOut Routines that speak VGA.
+
+Revision History
+
+--*/
+
+//*** AMI PORTING BEGIN ***//
+#include "AcpiRes.h"
+//*** AMI PORTING END *****//
+#include "UefiBiosVideo.h"
+
+#define TRACE_BIOS_VIDEO TRACE_ALWAYS
+//#define TRACE_BIOS_VIDEO TRACE_NEVER
+
+//
+// EFI Driver Binding Protocol Instance
+//
+EFI_DRIVER_BINDING_PROTOCOL gBiosVideoDriverBinding = {
+ BiosVideoDriverBindingSupported,
+ BiosVideoDriverBindingStart,
+ BiosVideoDriverBindingStop,
+ 0x00000024,
+ NULL,
+ NULL
+};
+
+typedef struct _TEXT_MODE {
+ INT32 ModeNum;
+ INT32 Col;
+ INT32 Row;
+ UINT32 VideoCol; // horizontal pixels
+ UINT32 VideoRow; // vertical pixels
+} TEXT_MODE;
+
+#if CORE_COMBINED_VERSION < 0x4028e
+const TEXT_MODE TextModeArray[] = {GC_MODE_LIST};
+const INT32 MaxTextMode=(sizeof(TextModeArray)/sizeof(TEXT_MODE));
+#else
+extern TEXT_MODE TextModeArray[];
+extern INT32 MaxTextMode;
+#endif
+
+// remove the following line when Protocol/EdidOverride.h becomes available
+EFI_GUID gEfiEdidOverrideProtocolGuid = EFI_EDID_OVERRIDE_PROTOCOL_GUID;
+
+//*** AMI PORTING BEGIN ***//
+#if INT10_VGA_GO_SUPPORT==1
+//*** AMI PORTING END *****//
+//
+// Global lookup tables for VGA graphics modes
+//
+UINT8 mVgaLeftMaskTable[] = { 0xff, 0x7f, 0x3f, 0x1f, 0x0f, 0x07, 0x03, 0x01 };
+
+UINT8 mVgaRightMaskTable[] = { 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff };
+
+UINT8 mVgaBitMaskTable[] = { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 };
+
+EFI_GRAPHICS_OUTPUT_BLT_PIXEL mVgaColorToGraphicsOutputColor[] = {
+ { 0x00, 0x00, 0x00, 0x00 },
+ { 0x98, 0x00, 0x00, 0x00 },
+ { 0x00, 0x98, 0x00, 0x00 },
+ { 0x98, 0x98, 0x00, 0x00 },
+ { 0x00, 0x00, 0x98, 0x00 },
+ { 0x98, 0x00, 0x98, 0x00 },
+ { 0x00, 0x98, 0x98, 0x00 },
+ { 0x98, 0x98, 0x98, 0x00 },
+ { 0x10, 0x10, 0x10, 0x00 },
+ { 0xff, 0x10, 0x10, 0x00 },
+ { 0x10, 0xff, 0x10, 0x00 },
+ { 0xff, 0xff, 0x10, 0x00 },
+ { 0x10, 0x10, 0xff, 0x00 },
+ { 0xf0, 0x10, 0xff, 0x00 },
+ { 0x10, 0xff, 0xff, 0x00 },
+ { 0xff, 0xff, 0xff, 0x00 }
+};
+
+//*** AMI PORTING BEGIN ***//
+#endif //if INT10_VGA_GO_SUPPORT==1
+#if INT10_VESA_GO_SUPPORT==1
+//*** AMI PORTING END *****//
+
+//
+// Standard timing defined by VESA EDID
+//
+VESA_BIOS_EXTENSIONS_EDID_TIMING mEstablishedEdidTiming[] = {
+ //
+ // Established Timing I
+ //
+ {800, 600, 60},
+ {800, 600, 56},
+ {640, 480, 75},
+ {640, 480, 72},
+ {640, 480, 67},
+ {640, 480, 60},
+ {720, 400, 88},
+ {720, 400, 70},
+ //
+ // Established Timing II
+ //
+ {1280, 1024, 75},
+ {1024, 768, 75},
+ {1024, 768, 70},
+ {1024, 768, 60},
+ {1024, 768, 87},
+ {832, 624, 75},
+ {800, 600, 75},
+ {800, 600, 72},
+ //
+ // Established Timing III
+ //
+ {1152, 870, 75}
+};
+//*** AMI PORTING BEGIN ***//
+#endif //if INT10_VESA_GO_SUPPORT==1
+//*** AMI PORTING END *****//
+
+UINT32 SupportedResolutions[29] = { 0 };
+
+EFI_STATUS
+BiosVideoChildHandleInstall (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ParentHandle,
+ IN EFI_PCI_IO_PROTOCOL *ParentPciIo,
+ IN EFI_LEGACY_BIOS_PROTOCOL *ParentLegacyBios,
+ IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+;
+
+EFI_STATUS
+BiosVideoChildHandleUninstall (
+ EFI_DRIVER_BINDING_PROTOCOL *This,
+ EFI_HANDLE Controller,
+ EFI_HANDLE Handle
+ )
+;
+
+VOID
+BiosVideoDeviceReleaseResource (
+ BIOS_VIDEO_DEV *BiosVideoPrivate
+ )
+;
+
+//*** AMI PORTING BEGIN ***//
+//CsmVideo Policy Protocol support
+//The protocol can be used to set the driver policy.
+// The two supported policies are:
+// SimpleTextOut over the text mode 3 (TextMode=TRUE)
+// GOP over graphical mode (TextMode=FALSE)
+EFI_HANDLE VgaControllerHandle = NULL;
+BOOLEAN TextModePolicy = FALSE;
+
+EFI_STATUS CsmVideoPolicySetMode(
+ IN CSM_VIDEO_POLICY_PROTOCOL *This,
+ IN BOOLEAN TextMode, IN BOOLEAN ForceModeChange
+){
+#if INT10_SIMPLE_TEXT_SUPPORT==0
+ return (TextMode) ? EFI_UNSUPPORTED : EFI_SUCCESS;
+#else
+ EFI_STATUS Status;
+ BOOLEAN OriginalPolicy=TextModePolicy;
+ EFI_HANDLE Handle;
+
+ TextModePolicy = TextMode;
+ if ( VgaControllerHandle == NULL
+ || OriginalPolicy==TextModePolicy && !ForceModeChange
+ ) return EFI_SUCCESS;
+
+ // save the VGA handle
+ // the global variable VgaControllerHandle will be nullified
+ // by the Stop function during Disconnect.
+ Handle = VgaControllerHandle;
+ Status = pBS->DisconnectController( Handle, NULL, NULL );
+ if (!EFI_ERROR(Status))
+ Status = pBS->ConnectController( Handle, NULL, NULL, TRUE );
+ else
+ TextModePolicy = OriginalPolicy;
+ if (EFI_ERROR(Status)) return Status;
+ return (TextModePolicy==TextMode) ? EFI_SUCCESS : EFI_UNSUPPORTED;
+#endif
+}
+
+EFI_STATUS CsmVideoPolicyGetMode(
+ IN CSM_VIDEO_POLICY_PROTOCOL *This,IN BOOLEAN *IsTextMode
+){
+ if (IsTextMode!=NULL) *IsTextMode = TextModePolicy;
+ return (VgaControllerHandle == NULL) ? EFI_NOT_STARTED : EFI_SUCCESS;
+}
+
+CSM_VIDEO_POLICY_PROTOCOL CsmVideoPolicyProtocol = {
+ CsmVideoPolicyGetMode, CsmVideoPolicySetMode
+};
+//*** AMI PORTING END *****//
+
+EFI_STATUS GetBadEdid (
+ IN EFI_EDID_OVERRIDE_PROTOCOL *This,
+ IN EFI_HANDLE *ChildHandle,
+ OUT UINT32 *Attributes,
+ IN OUT UINTN *EdidSize,
+ IN OUT UINT8 **Edid
+ )
+{
+ static UINT8 EdidData[0x80] = {0};
+ EdidData[0x7f] = 1; // invalid checksum
+
+ *Edid = EdidData;
+ *EdidSize = 0x80;
+ *Attributes = 0;
+
+ return EFI_SUCCESS;
+}
+
+
+//
+// Driver Entry Point
+//
+EFI_DRIVER_ENTRY_POINT (BiosVideoDriverEntryPoint)
+
+EFI_STATUS
+EFIAPI
+BiosVideoDriverEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+/*++
+
+ Routine Description:
+
+ Driver Entry Point.
+
+ Arguments:
+
+ ImageHandle - Handle of driver image.
+ SystemTable - Pointer to system table.
+
+ Returns:
+
+ EFI_STATUS
+
+--*/
+{
+ EFI_STATUS Status;
+ static EFI_GUID gCsmThunkDriverGuid =
+ { 0x2362ea9c, 0x84e5, 0x4dff, 0x83, 0xbc, 0xb5, 0xac, 0xec, 0xb5, 0x7c, 0xbb };
+
+ Status = EfiLibInstallAllDriverProtocols (
+ ImageHandle,
+ SystemTable,
+ &gBiosVideoDriverBinding,
+ ImageHandle,
+#if EFI_SPECIFICATION_VERSION <= 0x20000
+ &gBiosVideoComponentName,
+#else
+ &gBiosVideoComponentName2,
+#endif
+ NULL,
+ NULL
+ );
+//*** AMI PORTING BEGIN ***//
+#if INT10_SIMPLE_TEXT_SUPPORT==1
+{
+//create new handle
+ EFI_HANDLE Handle = NULL;
+ VgaClassDriverEntryPoint(Handle,SystemTable);
+}
+#endif
+
+#if INT10_TRUST_EDID_INFORMATION == 0
+{
+ // Install EdidOverride with the dummy EDID information; this is needed to ignore
+ // bad EDID information
+ EFI_STATUS Status;
+ static EFI_EDID_OVERRIDE_PROTOCOL EdidOverride = { GetBadEdid };
+
+ Status = gBS->InstallMultipleProtocolInterfaces(
+ &ImageHandle,
+ &gEfiEdidOverrideProtocolGuid, &EdidOverride,
+ NULL
+ );
+}
+#endif
+
+// Install CsmVideoPolicy protocol
+ gBS->InstallMultipleProtocolInterfaces(
+ &ImageHandle,
+ &gCsmVideoPolicyProtocolGuid, &CsmVideoPolicyProtocol,
+ &gCsmThunkDriverGuid, NULL,
+ NULL
+ );
+
+//AMI CSM Core does not need Legacy BIOS GUID
+//Just return the status
+ return Status;
+/*
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Install Legacy BIOS GUID to mark this driver as a BIOS Thunk Driver
+ //
+ return gBS->InstallMultipleProtocolInterfaces (
+ &ImageHandle,
+ &gEfiLegacyBiosGuid,
+ NULL,
+ NULL
+ );
+*/
+//*** AMI PORTING END *****//
+}
+//*** AMI PORTING BEGIN ***//
+//Exit Boot Services callback is not needed.
+/*
+VOID
+BiosVideoExitBootServices (
+ EFI_EVENT Event,
+ VOID *Context
+ )
+*/
+/*++
+
+Routine Description:
+
+ Callback function for exit boot service event
+
+Arguments:
+
+ Event - EFI_EVENT structure
+ Context - Event context
+
+Returns:
+
+ None
+
+--*/
+/*{
+ BIOS_VIDEO_DEV *BiosVideoPrivate;
+ EFI_IA32_REGISTER_SET Regs;
+
+ //
+ // Get our context
+ //
+ BiosVideoPrivate = (BIOS_VIDEO_DEV *) Context;
+
+ //
+ // Set the 80x25 Text VGA Mode
+ //
+ Regs.H.AH = 0x00;
+ Regs.H.AL = 0x83;
+ BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);
+
+ Regs.H.AH = 0x11;
+ Regs.H.AL = 0x14;
+ Regs.H.BL = 0;
+ BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);
+}
+*/
+//*** AMI PORTING END *****//
+
+EFI_STATUS
+EFIAPI
+BiosVideoDriverBindingSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+/*++
+
+ Routine Description:
+
+ Supported.
+
+ Arguments:
+
+ This - Pointer to driver binding protocol
+ Controller - Controller handle to connect
+ RemainingDevicePath - A pointer to the remaining portion of a device path
+
+
+ Returns:
+
+ EFI_STATUS - EFI_SUCCESS:This controller can be managed by this driver,
+ Otherwise, this controller cannot be managed by this driver
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ PCI_TYPE00 Pci;
+
+ //
+ // See if the Legacy BIOS Protocol is available
+ //
+ Status = gBS->LocateProtocol (&gEfiLegacyBiosProtocolGuid, NULL, (VOID **) &LegacyBios);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Open the IO Abstraction(s) needed to perform the supported test
+ //
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ (VOID **) &PciIo,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // See if this is a PCI Graphics Controller by looking at the Command register and
+ // Class Code Register
+ //
+ Status = PciIo->Pci.Read (
+ PciIo,
+ EfiPciIoWidthUint32,
+ 0,
+ sizeof (Pci) / sizeof (UINT32),
+ &Pci
+ );
+ if (EFI_ERROR (Status)) {
+ Status = EFI_UNSUPPORTED;
+ goto Done;
+ }
+
+ Status = EFI_UNSUPPORTED;
+ if (Pci.Hdr.ClassCode[2] == 0x03 || (Pci.Hdr.ClassCode[2] == 0x00 && Pci.Hdr.ClassCode[1] == 0x01)) {
+ Status = EFI_SUCCESS;
+ }
+
+Done:
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+
+ return Status;
+}
+
+EFI_STATUS
+EFIAPI
+BiosVideoDriverBindingStart (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+/*++
+
+ Routine Description:
+
+ Install Graphics Output Protocol onto VGA device handles
+
+ Arguments:
+
+ This - Pointer to driver binding protocol
+ Controller - Controller handle to connect
+ RemainingDevicePath - A pointer to the remaining portion of a device path
+
+ Returns:
+
+ EFI_STATUS
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
+ UINTN Flags;
+//*** AMI PORTING BEGIN ***//
+// See comments below regarding the Capabilities usage
+ UINT64 Capabilities = 0;
+//*** AMI PORTING END *****//
+
+ PciIo = NULL;
+ //
+ // Prepare for status code
+ //
+ Status = gBS->HandleProtocol (
+ Controller,
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &ParentDevicePath
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+ //
+ // Open the IO Abstraction(s) needed
+ //
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ (VOID **) &PciIo,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+ //
+ // See if the Legacy BIOS Protocol is available
+ //
+ Status = gBS->LocateProtocol (&gEfiLegacyBiosProtocolGuid, NULL, (VOID **) &LegacyBios);
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+ ReportStatusCodeWithDevicePath (
+ EFI_PROGRESS_CODE,
+ EFI_P_PC_ENABLE,
+ 0,
+ &gEfiCallerIdGuid,
+ ParentDevicePath
+ );
+ //
+ // Enable the device and make sure VGA cycles are being forwarded to this VGA device
+ //
+//*** AMI PORTING BEGIN ***//
+// We need to check what is supported by the hardware before enabling attributes
+ Status = PciIo->Attributes (
+ PciIo,
+ EfiPciIoAttributeOperationSupported,
+ 0,
+ &Capabilities
+ );
+
+ if ( EFI_ERROR(Status) ) {
+ goto Done;
+ }
+
+ Status = PciIo->Attributes (
+ PciIo,
+ EfiPciIoAttributeOperationEnable,
+ Capabilities & EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY | EFI_PCI_IO_ATTRIBUTE_VGA_IO,
+ NULL
+ );
+/*
+ Status = PciIo->Attributes (
+ PciIo,
+ EfiPciIoAttributeOperationEnable,
+ EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY | EFI_PCI_IO_ATTRIBUTE_VGA_IO,
+ NULL
+ );
+*/
+//*** AMI PORTING END *****//
+ if (EFI_ERROR (Status)) {
+ ReportStatusCodeWithDevicePath (
+ EFI_ERROR_CODE | EFI_ERROR_MINOR,
+ EFI_PERIPHERAL_LOCAL_CONSOLE | EFI_P_EC_RESOURCE_CONFLICT,
+ 0,
+ &gEfiCallerIdGuid,
+ ParentDevicePath
+ );
+ goto Done;
+ }
+ //
+ // Check to see if there is a legacy option ROM image associated with this PCI device
+ //
+ Status = LegacyBios->CheckPciRom (
+ LegacyBios,
+ Controller,
+ NULL,
+ NULL,
+ &Flags
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+ //
+ // Post the legacy option ROM if it is available.
+ //
+ ReportStatusCodeWithDevicePath (
+ EFI_PROGRESS_CODE,
+ EFI_P_PC_RESET,
+ 0,
+ &gEfiCallerIdGuid,
+ ParentDevicePath
+ );
+ Status = LegacyBios->InstallPciRom (
+ LegacyBios,
+ Controller,
+ NULL,
+ &Flags,
+ NULL,
+ NULL,
+ NULL,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ ReportStatusCodeWithDevicePath (
+ EFI_ERROR_CODE | EFI_ERROR_MINOR,
+ EFI_PERIPHERAL_LOCAL_CONSOLE | EFI_P_EC_CONTROLLER_ERROR,
+ 0,
+ &gEfiCallerIdGuid,
+ ParentDevicePath
+ );
+ goto Done;
+ }
+
+ //
+ // Create child handle and install GraphicsOutputProtocol on it
+ //
+ Status = BiosVideoChildHandleInstall (
+ This,
+ Controller,
+ PciIo,
+ LegacyBios,
+ ParentDevicePath,
+ RemainingDevicePath
+ );
+
+Done:
+ if (EFI_ERROR (Status)) {
+ if (PciIo != NULL) {
+ ReportStatusCodeWithDevicePath (
+ EFI_PROGRESS_CODE,
+ EFI_P_PC_DISABLE,
+ 0,
+ &gEfiCallerIdGuid,
+ ParentDevicePath
+ );
+ //
+ // Turn off the PCI device and disable forwarding of VGA cycles to this device
+ //
+ if (Capabilities != 0)
+ {
+ PciIo->Attributes (
+ PciIo,
+ EfiPciIoAttributeOperationDisable,
+//*** AMI PORTING BEGIN ***//
+ Capabilities & EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY | EFI_PCI_IO_ATTRIBUTE_VGA_IO,
+// EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY | EFI_PCI_IO_ATTRIBUTE_VGA_IO,
+//*** AMI PORTING END *****//
+ NULL
+ );
+ }
+ //
+ // Release PCI I/O Protocols on the controller handle.
+ //
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+ }
+ }
+
+ return Status;
+}
+
+EFI_STATUS
+EFIAPI
+BiosVideoDriverBindingStop (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer
+ )
+/*++
+
+ Routine Description:
+
+ Stop.
+
+ Arguments:
+
+ This - Pointer to driver binding protocol
+ Controller - Controller handle to connect
+ NumberOfChilren - Number of children handle created by this driver
+ ChildHandleBuffer - Buffer containing child handle created
+
+ Returns:
+
+ EFI_SUCCESS - Driver disconnected successfully from controller
+ EFI_UNSUPPORTED - Cannot find BIOS_VIDEO_DEV structure
+
+--*/
+{
+ EFI_STATUS Status;
+ BIOS_VIDEO_DEV *BiosVideoPrivate;
+ BOOLEAN AllChildrenStopped;
+ UINTN Index;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ UINT64 Capabilities;
+
+ BiosVideoPrivate = NULL;
+
+ if (NumberOfChildren == 0) {
+//*** AMI PORTING BEGIN ***//
+//In text mode, the child handle is not created
+//and the mini port protocol is installed on the PciIo handle.
+//Original implementation does not stop controller in this case
+//Here is the fix:
+#if INT10_SIMPLE_TEXT_SUPPORT==1
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiVgaMiniPortProtocolGuid,
+ NULL,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_TEST_PROTOCOL
+ );
+ if (!EFI_ERROR(Status)){
+ return BiosVideoChildHandleUninstall (This, Controller, Controller);
+ }
+#endif
+
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ &PciIo,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ ASSERT_EFI_ERROR(Status);
+
+ Status = PciIo->Attributes (
+ PciIo,
+ EfiPciIoAttributeOperationSupported,
+ 0,
+ &Capabilities
+ );
+ ASSERT_EFI_ERROR(Status);
+
+ Status = PciIo->Attributes (
+ PciIo,
+ EfiPciIoAttributeOperationDisable,
+ Capabilities & EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY | EFI_PCI_IO_ATTRIBUTE_VGA_IO,
+ NULL
+ );
+
+ ASSERT_EFI_ERROR(Status);
+ if(EFI_ERROR(Status)) return EFI_DEVICE_ERROR;
+//*** AMI PORTING END *****//
+ //
+ // Close PCI I/O protocol on the controller handle
+ //
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+
+ return EFI_SUCCESS;
+ }
+
+ AllChildrenStopped = TRUE;
+ for (Index = 0; Index < NumberOfChildren; Index++) {
+ Status = BiosVideoChildHandleUninstall (This, Controller, ChildHandleBuffer[Index]);
+
+ if (EFI_ERROR (Status)) {
+ AllChildrenStopped = FALSE;
+ }
+ }
+
+ if (!AllChildrenStopped) {
+ return EFI_DEVICE_ERROR;
+ }
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+BiosVideoChildHandleInstall (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ParentHandle,
+ IN EFI_PCI_IO_PROTOCOL *ParentPciIo,
+ IN EFI_LEGACY_BIOS_PROTOCOL *ParentLegacyBios,
+ IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+/*++
+
+Routine Description:
+ Install child handles if the Handle supports MBR format.
+
+Arguments:
+ This - Calling context.
+ Handle - Parent Handle
+ PciIo - Parent PciIo interface
+ LegacyBios - Parent LegacyBios interface
+ DevicePath - Parent Device Path
+
+Returns:
+ EFI_SUCCESS - If a child handle was added
+ other - A child handle was not added
+
+--*/
+{
+ EFI_STATUS Status;
+ BIOS_VIDEO_DEV *BiosVideoPrivate;
+ PCI_TYPE00 Pci;
+ ACPI_ADR_DEVICE_PATH AcpiDeviceNode;
+
+ //
+ // Allocate the private device structure for video device
+ //
+ Status = gBS->AllocatePool (
+ EfiBootServicesData,
+ sizeof (BIOS_VIDEO_DEV),
+ &BiosVideoPrivate
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+ EfiZeroMem (BiosVideoPrivate, sizeof (BIOS_VIDEO_DEV));
+
+ //
+ // See if this is a VGA compatible controller or not
+ //
+ Status = ParentPciIo->Pci.Read (
+ ParentPciIo,
+ EfiPciIoWidthUint32,
+ 0,
+ sizeof (Pci) / sizeof (UINT32),
+ &Pci
+ );
+ if (EFI_ERROR (Status)) {
+ ReportStatusCodeWithDevicePath (
+ EFI_ERROR_CODE | EFI_ERROR_MINOR,
+ EFI_PERIPHERAL_LOCAL_CONSOLE | EFI_P_EC_CONTROLLER_ERROR,
+ 0,
+ &gEfiCallerIdGuid,
+ ParentDevicePath
+ );
+ goto Done;
+ }
+ BiosVideoPrivate->VgaCompatible = FALSE;
+ if (Pci.Hdr.ClassCode[2] == 0x00 && Pci.Hdr.ClassCode[1] == 0x01) {
+ BiosVideoPrivate->VgaCompatible = TRUE;
+ }
+
+ if (Pci.Hdr.ClassCode[2] == 0x03 && Pci.Hdr.ClassCode[1] == 0x00 && Pci.Hdr.ClassCode[0] == 0x00) {
+ BiosVideoPrivate->VgaCompatible = TRUE;
+ }
+
+ //
+ // Initialize the child private structure
+ //
+ BiosVideoPrivate->Signature = BIOS_VIDEO_DEV_SIGNATURE;
+ BiosVideoPrivate->Handle = NULL;
+
+//*** AMI PORTING BEGIN ***//
+//Exit Boot Services callback is not needed.
+/*
+ Status = gBS->CreateEvent (
+ EFI_EVENT_SIGNAL_EXIT_BOOT_SERVICES,
+ EFI_TPL_NOTIFY,
+ BiosVideoExitBootServices,
+ BiosVideoPrivate,
+ &BiosVideoPrivate->ExitBootServicesEvent
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+*/
+//*** AMI PORTING END *****//
+
+ //
+ // Fill in Graphics Output specific mode structures
+ //
+ BiosVideoPrivate->HardwareNeedsStarting = TRUE;
+ BiosVideoPrivate->ModeData = NULL;
+ BiosVideoPrivate->LineBuffer = NULL;
+ BiosVideoPrivate->VgaFrameBuffer = NULL;
+ BiosVideoPrivate->VbeFrameBuffer = NULL;
+
+//*** AMI PORTING BEGIN ***//
+//Let's do it only if VgaMiniPort is going to be installed
+/*
+ //
+ // Fill in the VGA Mini Port Protocol fields
+ //
+ BiosVideoPrivate->VgaMiniPort.SetMode = BiosVideoVgaMiniPortSetMode;
+ BiosVideoPrivate->VgaMiniPort.VgaMemoryOffset = 0xb8000;
+ BiosVideoPrivate->VgaMiniPort.CrtcAddressRegisterOffset = 0x3d4;
+ BiosVideoPrivate->VgaMiniPort.CrtcDataRegisterOffset = 0x3d5;
+ BiosVideoPrivate->VgaMiniPort.VgaMemoryBar = EFI_PCI_IO_PASS_THROUGH_BAR;
+ BiosVideoPrivate->VgaMiniPort.CrtcAddressRegisterBar = EFI_PCI_IO_PASS_THROUGH_BAR;
+ BiosVideoPrivate->VgaMiniPort.CrtcDataRegisterBar = EFI_PCI_IO_PASS_THROUGH_BAR;
+*/
+ //
+ // Assume that Graphics Output Protocol will be produced until proven otherwise
+ //
+ BiosVideoPrivate->ProduceGraphicsOutput = TRUE;
+
+ //
+ // Set Gop Device Path, here RemainingDevicePath will not be one End of Device Path Node.
+ //
+ if ((RemainingDevicePath == NULL) || (!IsDevicePathEnd (RemainingDevicePath))) {
+ if (RemainingDevicePath == NULL) {
+ EfiZeroMem (&AcpiDeviceNode, sizeof (ACPI_ADR_DEVICE_PATH));
+ AcpiDeviceNode.Header.Type = ACPI_DEVICE_PATH;
+ AcpiDeviceNode.Header.SubType = ACPI_ADR_DP;
+ AcpiDeviceNode.ADR = ACPI_DISPLAY_ADR (1, 0, 0, 1, 0, ACPI_ADR_DISPLAY_TYPE_VGA, 0, 0);
+ SetDevicePathNodeLength (&AcpiDeviceNode.Header, sizeof (ACPI_ADR_DEVICE_PATH));
+
+ BiosVideoPrivate->DevicePath = EfiAppendDevicePathNode (
+ ParentDevicePath,
+ (EFI_DEVICE_PATH_PROTOCOL *) &AcpiDeviceNode
+ );
+ } else {
+ BiosVideoPrivate->DevicePath = EfiAppendDevicePathNode (ParentDevicePath, RemainingDevicePath);
+ }
+
+ //
+ // Create child handle associated with device path
+ // The newely created handle can be used for calling EDID_OVERRIDE_PROTOCOL
+ //
+ BiosVideoPrivate->Handle = NULL;
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &BiosVideoPrivate->Handle,
+ &gEfiDevicePathProtocolGuid,
+ BiosVideoPrivate->DevicePath,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+ }
+
+ //
+ // Child handle need to consume the Legacy Bios protocol
+ //
+ BiosVideoPrivate->LegacyBios = ParentLegacyBios;
+
+ //
+ // When check for VBE, PCI I/O protocol is needed, so use parent's protocol interface temporally
+ //
+ BiosVideoPrivate->PciIo = ParentPciIo;
+
+ //
+ // Check for VESA BIOS Extensions for modes that are compatible with Graphics Output
+ //
+//*** AMI PORTING BEGIN ***//
+// Status = BiosVideoCheckForVbe (BiosVideoPrivate);
+#if INT10_VESA_GO_SUPPORT==1
+ if ( TextModePolicy )
+ Status = EFI_UNSUPPORTED;
+ else
+ Status = BiosVideoCheckForVbe (BiosVideoPrivate, &Pci);
+#else
+ Status = EFI_UNSUPPORTED;
+#endif
+//*** AMI PORTING END *****//
+ if (EFI_ERROR (Status)) {
+ //
+ // The VESA BIOS Extensions are not compatible with Graphics Output, so check for support
+ // for the standard 640x480 16 color VGA mode
+ //
+//*** AMI PORTING BEGIN ***//
+// if (BiosVideoPrivate->VgaCompatible) {
+// Status = BiosVideoCheckForVga (BiosVideoPrivate);
+// }
+#if INT10_VGA_GO_SUPPORT==1
+ if (!TextModePolicy && BiosVideoPrivate->VgaCompatible) {
+ Status = BiosVideoCheckForVga (BiosVideoPrivate);
+ }
+#endif
+//*** AMI PORTING END *****//
+
+ if (EFI_ERROR (Status)) {
+ //
+ // Neither VBE nor the standard 640x480 16 color VGA mode are supported, so do
+ // not produce the Graphics Output protocol. Instead, produce the VGA MiniPort Protocol.
+ //
+ BiosVideoPrivate->ProduceGraphicsOutput = FALSE;
+
+ //
+ // INT services are available, so on the 80x25 and 80x50 text mode are supported
+ //
+ BiosVideoPrivate->VgaMiniPort.MaxMode = 2;
+ }
+ }
+
+ if (BiosVideoPrivate->ProduceGraphicsOutput) {
+ //
+ // Create child handle and install Graphics Output Protocol,EDID Discovered/Active Protocol
+ //
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &BiosVideoPrivate->Handle,
+ &gEfiGraphicsOutputProtocolGuid,
+ &BiosVideoPrivate->GraphicsOutput,
+ &gEfiEdidDiscoveredProtocolGuid,
+ &BiosVideoPrivate->EdidDiscovered,
+ &gEfiEdidActiveProtocolGuid,
+ &BiosVideoPrivate->EdidActive,
+ NULL
+ );
+
+ if (!EFI_ERROR (Status)) {
+ //
+ // Open the Parent Handle for the child
+ //
+ Status = gBS->OpenProtocol (
+ ParentHandle,
+ &gEfiPciIoProtocolGuid,
+ (VOID **) &BiosVideoPrivate->PciIo,
+ This->DriverBindingHandle,
+ BiosVideoPrivate->Handle,
+ EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
+ );
+ }
+ } else {
+//*** AMI PORTING BEGIN ***//
+#if INT10_SIMPLE_TEXT_SUPPORT==1
+//The code if moved here from BiosVideoChildHandleInstall
+ //
+ // Fill in the VGA Mini Port Protocol fields
+ //
+ BiosVideoPrivate->VgaMiniPort.SetMode = BiosVideoVgaMiniPortSetMode;
+ BiosVideoPrivate->VgaMiniPort.VgaMemoryOffset = 0xb8000;
+ BiosVideoPrivate->VgaMiniPort.CrtcAddressRegisterOffset = 0x3d4;
+ BiosVideoPrivate->VgaMiniPort.CrtcDataRegisterOffset = 0x3d5;
+ BiosVideoPrivate->VgaMiniPort.VgaMemoryBar = EFI_PCI_IO_PASS_THROUGH_BAR;
+ BiosVideoPrivate->VgaMiniPort.CrtcAddressRegisterBar = EFI_PCI_IO_PASS_THROUGH_BAR;
+ BiosVideoPrivate->VgaMiniPort.CrtcDataRegisterBar = EFI_PCI_IO_PASS_THROUGH_BAR;
+//*** AMI PORTING END *****//
+//*** AMI PORTING BEGIN ***//
+ //This is needed! Otherwise VgaClass driver rejects VgaMiniPort
+ //device due to the lack of PciIo protocol
+ BiosVideoPrivate->Handle=ParentHandle;
+//*** AMI PORTING END *****//
+ //
+ // Install VGA Mini Port Protocol
+ //
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &BiosVideoPrivate->Handle,
+ &gEfiVgaMiniPortProtocolGuid,
+ &BiosVideoPrivate->VgaMiniPort,
+ NULL
+ );
+//*** AMI PORTING BEGIN ***//
+#else
+#endif //INT10_SIMPLE_TEXT_SUPPORT==1
+//*** AMI PORTING END *****//
+ }
+
+Done:
+ if (EFI_ERROR (Status)) {
+ //
+ // Free private data structure
+ //
+ BiosVideoDeviceReleaseResource (BiosVideoPrivate);
+ }
+//*** AMI PORTING BEGIN ***//
+// The protocols are installed.
+// Update global variables used by the CsmVideoPolicy protocol implementation.
+ TextModePolicy = !BiosVideoPrivate->ProduceGraphicsOutput;
+ VgaControllerHandle = ParentHandle;
+//*** AMI PORTING END *****//
+ return Status;
+}
+
+EFI_STATUS
+BiosVideoChildHandleUninstall (
+ EFI_DRIVER_BINDING_PROTOCOL *This,
+ EFI_HANDLE Controller,
+ EFI_HANDLE Handle
+ )
+/*++
+
+Routine Description:
+
+ Deregister an video child handle and free resources
+
+Arguments:
+
+ This - Protocol instance pointer.
+ Controller - Video controller handle
+ Handle - Video child handle
+
+Returns:
+
+ EFI_STATUS
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_IA32_REGISTER_SET Regs;
+ EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
+ EFI_VGA_MINI_PORT_PROTOCOL *VgaMiniPort;
+ BIOS_VIDEO_DEV *BiosVideoPrivate;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+
+ BiosVideoPrivate = NULL;
+
+ Status = gBS->OpenProtocol (
+ Handle,
+ &gEfiGraphicsOutputProtocolGuid,
+ (VOID **) &GraphicsOutput,
+ This->DriverBindingHandle,
+ Handle,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (!EFI_ERROR (Status)) {
+ BiosVideoPrivate = BIOS_VIDEO_DEV_FROM_GRAPHICS_OUTPUT_THIS (GraphicsOutput);
+ }
+
+ Status = gBS->OpenProtocol (
+ Handle,
+ &gEfiVgaMiniPortProtocolGuid,
+ (VOID **) &VgaMiniPort,
+ This->DriverBindingHandle,
+ Handle,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (!EFI_ERROR (Status)) {
+ BiosVideoPrivate = BIOS_VIDEO_DEV_FROM_VGA_MINI_PORT_THIS (VgaMiniPort);
+ }
+
+ if (BiosVideoPrivate == NULL) {
+ return EFI_UNSUPPORTED;
+ }
+
+ //
+ // Close PCI I/O protocol that opened by child handle
+ //
+ Status = gBS->CloseProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ This->DriverBindingHandle,
+ Handle
+ );
+
+ //
+ // Uninstall protocols on child handle
+ //
+ if (BiosVideoPrivate->ProduceGraphicsOutput) {
+ Status = gBS->UninstallMultipleProtocolInterfaces (
+ BiosVideoPrivate->Handle,
+ &gEfiDevicePathProtocolGuid,
+ BiosVideoPrivate->DevicePath,
+ &gEfiGraphicsOutputProtocolGuid,
+ &BiosVideoPrivate->GraphicsOutput,
+ &gEfiEdidDiscoveredProtocolGuid,
+ &BiosVideoPrivate->EdidDiscovered,
+ &gEfiEdidActiveProtocolGuid,
+ &BiosVideoPrivate->EdidActive,
+ NULL
+ );
+ } else {
+ Status = gBS->UninstallMultipleProtocolInterfaces (
+ BiosVideoPrivate->Handle,
+ &gEfiVgaMiniPortProtocolGuid,
+ &BiosVideoPrivate->VgaMiniPort,
+ NULL
+ );
+ }
+ if (EFI_ERROR (Status)) {
+ gBS->OpenProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ (VOID **) &PciIo,
+ This->DriverBindingHandle,
+ Handle,
+ EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
+ );
+ return Status;
+ }
+
+ //
+ // Set the 80x25 Text VGA Mode
+ //
+ Regs.H.AH = 0x00;
+ Regs.H.AL = 0x03;
+ BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);
+
+ Regs.H.AH = 0x11;
+ Regs.H.AL = 0x14;
+ Regs.H.BL = 0;
+ BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);
+
+ //
+ // Do not disable IO/memory decode since that would prevent legacy ROM from working
+ //
+
+ //
+ // Release all allocated resources
+ //
+ BiosVideoDeviceReleaseResource (BiosVideoPrivate);
+//*** AMI PORTING BEGIN ***//
+// The protocols are uninstalled.
+// Update global variables used by the CsmVideoPolicy protocol implementation.
+ VgaControllerHandle = NULL;
+//*** AMI PORTING END *****//
+ return EFI_SUCCESS;
+}
+
+VOID
+BiosVideoDeviceReleaseResource (
+ BIOS_VIDEO_DEV *BiosVideoPrivate
+ )
+/*++
+Routing Description:
+
+ Release resources of an video child device before stopping it.
+
+Arguments:
+
+ BiosVideoPrivate - Video child device private data structure
+
+Returns:
+
+ NONE
+
+---*/
+{
+ if (BiosVideoPrivate == NULL) {
+ return ;
+ }
+
+ //
+ // Release all the resourses occupied by the BIOS_VIDEO_DEV
+ //
+
+ //
+ // Free VGA Frame Buffer
+ //
+ if (BiosVideoPrivate->VgaFrameBuffer != NULL) {
+ gBS->FreePool (BiosVideoPrivate->VgaFrameBuffer);
+ BiosVideoPrivate->VgaFrameBuffer = NULL;
+ }
+ //
+ // Free VBE Frame Buffer
+ //
+ if (BiosVideoPrivate->VbeFrameBuffer != NULL) {
+ gBS->FreePool (BiosVideoPrivate->VbeFrameBuffer);
+ BiosVideoPrivate->VbeFrameBuffer = NULL;
+ }
+ //
+ // Free line buffer
+ //
+ if (BiosVideoPrivate->LineBuffer != NULL) {
+ gBS->FreePool (BiosVideoPrivate->LineBuffer);
+ BiosVideoPrivate->LineBuffer = NULL;
+ }
+ //
+ // Free mode data
+ //
+ if (BiosVideoPrivate->ModeData != NULL) {
+ gBS->FreePool (BiosVideoPrivate->ModeData);
+ BiosVideoPrivate->ModeData = NULL;
+ }
+ //
+ // Free memory allocated below 1MB
+ //
+ if (BiosVideoPrivate->PagesBelow1MB != 0) {
+ gBS->FreePages (BiosVideoPrivate->PagesBelow1MB, BiosVideoPrivate->NumberOfPagesBelow1MB);
+ }
+
+ if (BiosVideoPrivate->VbeSaveRestorePages != 0) {
+ gBS->FreePages (BiosVideoPrivate->VbeSaveRestoreBuffer, BiosVideoPrivate->VbeSaveRestorePages);
+ }
+ //
+ // Free graphics output protocol occupied resource
+ //
+ if (BiosVideoPrivate->GraphicsOutput.Mode != NULL) {
+ if (BiosVideoPrivate->GraphicsOutput.Mode->Info != NULL) {
+ gBS->FreePool (BiosVideoPrivate->GraphicsOutput.Mode->Info);
+ BiosVideoPrivate->GraphicsOutput.Mode->Info = NULL;
+ }
+ gBS->FreePool (BiosVideoPrivate->GraphicsOutput.Mode);
+ BiosVideoPrivate->GraphicsOutput.Mode = NULL;
+ }
+ //
+ // Free EDID discovered protocol occupied resource
+ //
+ if (BiosVideoPrivate->EdidDiscovered.Edid != NULL) {
+ gBS->FreePool (BiosVideoPrivate->EdidDiscovered.Edid);
+ BiosVideoPrivate->EdidDiscovered.Edid = NULL;
+ }
+ //
+ // Free EDID active protocol occupied resource
+ //
+ if (BiosVideoPrivate->EdidActive.Edid != NULL) {
+ gBS->FreePool (BiosVideoPrivate->EdidActive.Edid);
+ BiosVideoPrivate->EdidActive.Edid = NULL;
+ }
+
+ if (BiosVideoPrivate->DevicePath!= NULL) {
+ gBS->FreePool (BiosVideoPrivate->DevicePath);
+ BiosVideoPrivate->DevicePath = NULL;
+ }
+
+ //
+ // Close the ExitBootServices event
+ //
+//*** AMI PORTING BEGIN ***//
+//ExitBootServicesEvent is not used
+/*
+ if (BiosVideoPrivate->ExitBootServicesEvent != NULL) {
+ gBS->CloseEvent (BiosVideoPrivate->ExitBootServicesEvent);
+ }
+*/
+//*** AMI PORTING END *****//
+
+ gBS->FreePool (BiosVideoPrivate);
+
+ return ;
+}
+
+//*** AMI PORTING BEGIN ***//
+#if INT10_VESA_GO_SUPPORT==1
+//*** AMI PORTING END *****//
+STATIC
+UINT32
+CalculateEdidKey (
+ VESA_BIOS_EXTENSIONS_EDID_TIMING *EdidTiming
+ )
+/*++
+
+ Routine Description:
+
+ Generate a search key for a specified timing data.
+
+ Arguments:
+
+ EdidTiming - Pointer to EDID timing
+
+ Returns:
+ The 32 bit unique key for search.
+
+--*/
+{
+ UINT32 Key;
+
+ //
+ // Be sure no conflicts for all standard timing defined by VESA.
+ //
+ Key = (EdidTiming->HorizontalResolution * 2) + EdidTiming->VerticalResolution + EdidTiming->RefreshRate;
+ return Key;
+}
+
+STATIC
+BOOLEAN
+ParseEdidData (
+ UINT8 *EdidBuffer
+ )
+/*++
+
+ Routine Description:
+
+ Parse the Established Timing and Standard Timing in EDID data block.
+
+ Arguments:
+
+ EdidBuffer - Pointer to EDID data block
+ ValidEdidTiming - Valid EDID timing information
+
+ Returns:
+ TRUE - The EDID data is valid.
+ FALSE - The EDID data is invalid.
+
+--*/
+{
+ UINT8 CheckSum;
+ UINT32 Index;
+ UINT32 ValidNumber;
+ UINT32 TimingBits;
+ UINT8 *BufferIndex;
+ UINT16 HorizontalResolution;
+ UINT16 VerticalResolution;
+ UINT8 AspectRatio;
+ VESA_BIOS_EXTENSIONS_EDID_DATA_BLOCK *EdidDataBlock;
+
+ EdidDataBlock = (VESA_BIOS_EXTENSIONS_EDID_DATA_BLOCK *) EdidBuffer;
+
+ //
+ // Check the checksum of EDID data
+ //
+ CheckSum = 0;
+ for (Index = 0; Index < VESA_BIOS_EXTENSIONS_EDID_BLOCK_SIZE; Index ++) {
+ CheckSum = CheckSum + EdidBuffer[Index];
+ }
+ if (CheckSum != 0) {
+ TRACE((TRACE_BIOS_VIDEO, "EDID checksum is invalid, EDID will be ignored.\n"));
+ return FALSE;
+ }
+
+ ValidNumber = 0;
+ //
+ // Established timing data
+ //
+ TimingBits = EdidDataBlock->EstablishedTimings[0] |
+ (EdidDataBlock->EstablishedTimings[1] << 8) |
+ ((EdidDataBlock->EstablishedTimings[2] & 0x80) << 9) ;
+ for (Index = 0; Index < VESA_BIOS_EXTENSIONS_EDID_ESTABLISHED_TIMING_MAX_NUMBER; Index ++) {
+ if (TimingBits & 0x1) {
+ SupportedResolutions[Index] = mEstablishedEdidTiming[Index].VerticalResolution |
+ (mEstablishedEdidTiming[Index].HorizontalResolution << 16);
+ ValidNumber ++;
+ }
+ TimingBits = TimingBits >> 1;
+ }
+
+ //
+ // If no Established timing data, read the standard timing data
+ //
+ BufferIndex = &EdidDataBlock->StandardTimingIdentification[0];
+ for (Index = 0; Index < 8; Index ++) {
+ if ((BufferIndex[0] != 0x1) && (BufferIndex[1] != 0x1)){
+ //
+ // A valid Standard Timing
+ //
+ HorizontalResolution = BufferIndex[0] * 8 + 248;
+ AspectRatio = BufferIndex[1] >> 6;
+ switch (AspectRatio) {
+ case 0:
+ VerticalResolution = HorizontalResolution / 16 * 10;
+ break;
+ case 1:
+ VerticalResolution = HorizontalResolution / 4 * 3;
+ break;
+ case 2:
+ VerticalResolution = HorizontalResolution / 5 * 4;
+ break;
+ case 3:
+ VerticalResolution = HorizontalResolution / 16 * 9;
+ break;
+ default:
+ VerticalResolution = HorizontalResolution / 4 * 3;
+ break;
+ }
+
+ SupportedResolutions[Index + 17] = VerticalResolution |(HorizontalResolution << 16);
+ ValidNumber ++;
+ }
+ BufferIndex += 2;
+ }
+
+ if ( (EdidDataBlock->FeatureSupport & 2) == 2) {
+ // Preferred timing mode is indicated in the first detailed timing block
+ for (Index = 0; Index < 4; Index ++) {
+ if ((EdidDataBlock->DetailedTimingDescriptions[Index*18 + 0] |
+ EdidDataBlock->DetailedTimingDescriptions[Index*18 + 1]) &&
+ (EdidDataBlock->DetailedTimingDescriptions[Index*18 + 2] |
+ (EdidDataBlock->DetailedTimingDescriptions[Index*18 + 4] & 0xf0))) {
+
+ SupportedResolutions[Index + 25] =
+ (EdidDataBlock->DetailedTimingDescriptions[Index*18 + 5] | ((UINT16)(EdidDataBlock->DetailedTimingDescriptions[Index*18 + 7] & 0xF0) << 4))
+ | ((UINT32)(EdidDataBlock->DetailedTimingDescriptions[Index*18 + 2] | ((UINT16)(EdidDataBlock->DetailedTimingDescriptions[Index*18 + 4] & 0xF0) << 4)) << 16);
+
+TRACE((TRACE_BIOS_VIDEO, "EDID Detailed timing[%d]: inserted resolution 0x%x (%dx%d)\n", Index, SupportedResolutions[Index + 25],
+ EdidDataBlock->DetailedTimingDescriptions[Index*18 + 2] | ((EdidDataBlock->DetailedTimingDescriptions[Index*18 + 4] & 0xF0) << 4),
+ EdidDataBlock->DetailedTimingDescriptions[Index*18 + 5] | ((EdidDataBlock->DetailedTimingDescriptions[Index*18 + 7] & 0xF0) << 4)
+));
+
+ ValidNumber ++;
+ }
+ }
+ }
+
+//*** AMI PORTING BEGIN ***//
+// Bug fix. The function was returning TRUE even when no valid timings found.
+// return TRUE;
+ return (ValidNumber != 0);
+//*** AMI PORTING END ***//
+}
+
+STATIC
+BOOLEAN
+SearchEdidTiming (
+ UINT32 ResolutionKey
+ )
+/*++
+
+ Routine Description:
+
+ Search a specified Timing in all the valid EDID timings.
+
+ Arguments:
+
+ ValidEdidTiming - All valid EDID timing information.
+ EdidTiming - The Timing to search for.
+
+ Returns:
+
+ TRUE - Found.
+ FALSE - Not found.
+
+--*/
+{
+ UINT32 Index;
+ for (Index = 0; Index < 29; Index ++) {
+ if (ResolutionKey == SupportedResolutions[Index]) {
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+//*** AMI PORTING BEGIN ***//
+#if CSM_VGA_64BITBAR_WORKAROUND
+BOOLEAN CheckAbove4g(PCI_TYPE00 *PciConfSpace){
+ UINTN i;
+//---------------------
+ for(i=0; i<PCI_MAX_BAR-1;i++){
+ //check all six bars if
+ if((PciConfSpace->Device.Bar[i] & 0x04) && ( PciConfSpace->Device.Bar[i+1]!=0) ) return TRUE;
+ }
+ return FALSE;
+}
+
+
+EFI_STATUS Update64BitLinearBufferAddr(EFI_PCI_IO_PROTOCOL *PciIo, UINT64 *LowerAddrPart, PCI_TYPE00 *PciConfSpace){
+ UINTN i,j;
+ EFI_STATUS Status;
+ ASLR_QWORD_ASD *BarRes=NULL;
+ UINT64 start, end, bar, test;
+ UINT32 *pUp32;
+//-----------------------------
+
+ //pBS->SetMem(&BarRes[0], sizeof(BarRes), 0);
+ //Get PciIo Bar ACPI QW Resource Descriptor and Count...
+
+ for(i=0; i<PCI_MAX_BAR; i++){
+ //Free Memory allocated for us by PciBus Driver...
+ //if we got here by continue statement...
+ if(BarRes!=NULL){
+ pBS->FreePool(BarRes);
+ BarRes=NULL;
+ }
+
+ Status = PciIo->GetBarAttributes(PciIo,(UINT8)i, NULL, &BarRes);
+ if(EFI_ERROR(Status)) return Status;
+
+ //care only about 64 bit resources end filter out Unused BARs and NOT64bit BARs
+ if(BarRes->Hdr.Name==ASLV_SR_EndTag) continue;
+ if(BarRes->_GRA < 64) continue;
+
+ start=BarRes->_MIN;
+ end=BarRes->_MAX;
+ test=*LowerAddrPart;
+
+ //Free Memory allocated for us by PciBus Driver...
+ if(BarRes!=NULL){
+ pBS->FreePool(BarRes);
+ BarRes=NULL;
+ }
+
+ //now try to match what we read from PCI Config to Res Descriptor returned by the call to PciIo...
+ for(j=0, bar=0; j<PCI_MAX_BAR-1;j++){
+ if(PciConfSpace->Device.Bar[j] & 0x04){
+ //here we got 64 bit BAR....
+ bar=PciConfSpace->Device.Bar[j] & (~0xF); //Mask read only Bar Type bits...
+ //fill Upper Part of BAR address
+ j++;
+ pUp32=((UINT32*)&bar)+1;
+ *pUp32=PciConfSpace->Device.Bar[j];
+ pUp32=((UINT32*)&test)+1;
+ *pUp32=PciConfSpace->Device.Bar[j];
+
+ //Check if we found match?
+ if(start==bar){
+ if((start <= test) && (test < end)) {
+ *LowerAddrPart=test;
+ return EFI_SUCCESS;
+ } else break;
+ }
+ }
+ }
+ }
+ return EFI_SUCCESS;
+}
+#endif
+//*** AMI PORTING END *****//
+
+EFI_STATUS CheckForDuplicateMode (BIOS_VIDEO_DEV *VideoDev, UINTN ModeNumber)
+{
+ UINT16 Xres = VideoDev->VbeModeInformationBlock->XResolution;
+ UINT16 Yres = VideoDev->VbeModeInformationBlock->YResolution;
+ UINTN i;
+ BIOS_VIDEO_MODE_DATA *ModeData = VideoDev->ModeData;
+
+ // walk through the list of published modes, see if there is a match
+ for (i = 0; i < ModeNumber; i++)
+ {
+ if (ModeData->HorizontalResolution == Xres
+ && ModeData->VerticalResolution == Yres)
+ {
+ return EFI_SUCCESS;
+ }
+ ModeData++;
+ }
+ return EFI_NOT_FOUND;
+}
+
+EFI_STATUS
+EFIAPI
+BiosVideoCheckForVbe (
+ IN OUT BIOS_VIDEO_DEV *BiosVideoPrivate,
+//*** AMI PORTING BEGIN ***//
+ PCI_TYPE00 *PciConfSpace
+//*** AMI PORTING END *****//
+ )
+/*++
+
+ Routine Description:
+
+ Check for VBE device
+
+ Arguments:
+
+ BiosVideoPrivate - Pointer to BIOS_VIDEO_DEV structure
+
+ Returns:
+
+ EFI_SUCCESS - VBE device found
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_IA32_REGISTER_SET Regs;
+ UINT16 *ModeNumberPtr;
+ BOOLEAN ModeFound;
+ BOOLEAN EdidFound;
+ BOOLEAN EdidMatch;
+ BIOS_VIDEO_MODE_DATA *ModeBuffer;
+ BIOS_VIDEO_MODE_DATA *CurrentModeData;
+ UINTN PreferMode;
+ UINTN ModeNumber;
+ UINT32 ResolutionKey;
+ EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE *GraphicsOutputMode;
+ INT32 i;
+ EFI_EDID_OVERRIDE_PROTOCOL *EdidOverride;
+ UINT32 EdidAttributes;
+ BOOLEAN EdidOverrideFound;
+ UINTN EdidOverrideDataSize;
+ UINT8 *EdidOverrideDataBlock;
+ UINTN EdidActiveDataSize;
+ UINT8 *EdidActiveDataBlock;
+//*** AMI PORTING BEGIN ***//
+#if CSM_VGA_64BITBAR_WORKAROUND
+ BOOLEAN Above4g;
+#endif
+//*** AMI PORTING END *****//
+
+ EdidOverrideFound = FALSE;
+ EdidOverrideDataBlock = NULL;
+ EdidActiveDataSize = 0;
+ EdidActiveDataBlock = NULL;
+
+//*** AMI PORTING BEGIN ***//
+#if CSM_VGA_64BITBAR_WORKAROUND
+ Above4g=CheckAbove4g(PciConfSpace);
+#endif
+//*** AMI PORTING END *****//
+
+ //
+ // Allocate buffer under 1MB for VBE data structures
+ //
+ BiosVideoPrivate->NumberOfPagesBelow1MB = EFI_SIZE_TO_PAGES (
+ sizeof (VESA_BIOS_EXTENSIONS_INFORMATION_BLOCK) +
+ sizeof (VESA_BIOS_EXTENSIONS_MODE_INFORMATION_BLOCK) +
+ sizeof (VESA_BIOS_EXTENSIONS_EDID_DATA_BLOCK) +
+ sizeof (VESA_BIOS_EXTENSIONS_CRTC_INFORMATION_BLOCK)
+ );
+
+ BiosVideoPrivate->PagesBelow1MB = 0x00100000 - 1;
+
+ Status = gBS->AllocatePages (
+ AllocateMaxAddress,
+ EfiBootServicesData,
+ BiosVideoPrivate->NumberOfPagesBelow1MB,
+ &BiosVideoPrivate->PagesBelow1MB
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Fill in the Graphics Output Protocol
+ //
+ BiosVideoPrivate->GraphicsOutput.QueryMode = BiosVideoGraphicsOutputQueryMode;
+ BiosVideoPrivate->GraphicsOutput.SetMode = BiosVideoGraphicsOutputSetMode;
+ BiosVideoPrivate->GraphicsOutput.Blt = BiosVideoGraphicsOutputVbeBlt;
+ BiosVideoPrivate->GraphicsOutput.Mode = NULL;
+
+ //
+ // Fill in the VBE related data structures
+ //
+ BiosVideoPrivate->VbeInformationBlock = (VESA_BIOS_EXTENSIONS_INFORMATION_BLOCK *) (UINTN) (BiosVideoPrivate->PagesBelow1MB);
+ BiosVideoPrivate->VbeModeInformationBlock = (VESA_BIOS_EXTENSIONS_MODE_INFORMATION_BLOCK *) (BiosVideoPrivate->VbeInformationBlock + 1);
+ BiosVideoPrivate->VbeEdidDataBlock = (VESA_BIOS_EXTENSIONS_EDID_DATA_BLOCK *) (BiosVideoPrivate->VbeModeInformationBlock + 1);
+ BiosVideoPrivate->VbeCrtcInformationBlock = (VESA_BIOS_EXTENSIONS_CRTC_INFORMATION_BLOCK *) (BiosVideoPrivate->VbeModeInformationBlock + 1);
+ BiosVideoPrivate->VbeSaveRestorePages = 0;
+ BiosVideoPrivate->VbeSaveRestoreBuffer = 0;
+
+ //
+ // Test to see if the Video Adapter is compliant with VBE 3.0
+ //
+ gBS->SetMem (&Regs, sizeof (Regs), 0);
+ Regs.X.AX = VESA_BIOS_EXTENSIONS_RETURN_CONTROLLER_INFORMATION;
+ gBS->SetMem (BiosVideoPrivate->VbeInformationBlock, sizeof (VESA_BIOS_EXTENSIONS_INFORMATION_BLOCK), 0);
+ BiosVideoPrivate->VbeInformationBlock->VESASignature = VESA_BIOS_EXTENSIONS_VBE2_SIGNATURE;
+ Regs.X.ES = EFI_SEGMENT ((UINTN) BiosVideoPrivate->VbeInformationBlock);
+ Regs.X.DI = EFI_OFFSET ((UINTN) BiosVideoPrivate->VbeInformationBlock);
+
+ BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);
+
+ Status = EFI_DEVICE_ERROR;
+
+ //
+ // See if the VESA call succeeded
+ //
+ if (Regs.X.AX != VESA_BIOS_EXTENSIONS_STATUS_SUCCESS) {
+ return Status;
+ }
+ //
+ // Check for 'VESA' signature
+ //
+ if (BiosVideoPrivate->VbeInformationBlock->VESASignature != VESA_BIOS_EXTENSIONS_VESA_SIGNATURE) {
+ return Status;
+ }
+ //
+ // Check to see if this is VBE 2.0 or higher
+ //
+ if (BiosVideoPrivate->VbeInformationBlock->VESAVersion < VESA_BIOS_EXTENSIONS_VERSION_2_0) {
+ return Status;
+ }
+
+ EdidFound = FALSE;
+ EdidAttributes = 0xff;
+ EdidOverrideDataSize = 0;
+
+ //
+ // Check if EDID Override protocol is installed by platform.
+ //
+ Status = gBS->LocateProtocol (
+ &gEfiEdidOverrideProtocolGuid,
+ NULL,
+ (VOID **) &EdidOverride
+ );
+
+ if (!EFI_ERROR (Status)) {
+ //
+ // Allocate double size of VESA_BIOS_EXTENSIONS_EDID_BLOCK_SIZE to avoid overflow
+ //
+ Status = gBS->AllocatePool (
+ EfiBootServicesData,
+ sizeof ((VESA_BIOS_EXTENSIONS_EDID_BLOCK_SIZE * 2)),
+ &EdidOverrideDataBlock
+ );
+
+ if (EFI_ERROR(Status)) {
+ goto Done;
+ }
+
+ Status = EdidOverride->GetEdid (
+ EdidOverride,
+ BiosVideoPrivate->Handle,
+ &EdidAttributes,
+ &EdidOverrideDataSize,
+ (UINT8 **) &EdidOverrideDataBlock
+ );
+ if (!EFI_ERROR (Status) &&
+//*** AMI PORTING BEGIN ***//
+// EdidAttributes == 0 &&
+//*** AMI PORTING END ***//
+ EdidOverrideDataSize != 0) {
+ //
+ // Succeeded to get EDID Override Data
+ //
+ TRACE((TRACE_BIOS_VIDEO, "EDID override protocol found: data size %x, attribute %x\n", EdidOverrideDataSize, EdidAttributes));
+ EdidOverrideFound = TRUE;
+ }
+ }
+
+
+ // "EdidFound" is forcibly FALSE,
+ // because some SSUs(Server Switch Unit) return invalid response.
+ if (!EdidOverrideFound || EdidAttributes == EFI_EDID_OVERRIDE_DONT_OVERRIDE) {
+ //
+ // If EDID Override data doesn't exist or EFI_EDID_OVERRIDE_DONT_OVERRIDE returned,
+ // read EDID information through INT10 call and fill in EdidDiscovered structure
+ //
+ gBS->SetMem (&Regs, sizeof (Regs), 0);
+ Regs.X.AX = VESA_BIOS_EXTENSIONS_EDID;
+ Regs.X.BX = 1;
+ Regs.X.CX = 0;
+ Regs.X.DX = 0;
+ Regs.X.ES = EFI_SEGMENT ((UINTN) BiosVideoPrivate->VbeEdidDataBlock);
+ Regs.X.DI = EFI_OFFSET ((UINTN) BiosVideoPrivate->VbeEdidDataBlock);
+
+ BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);
+ if (Regs.X.AX == VESA_BIOS_EXTENSIONS_STATUS_SUCCESS) {
+
+ BiosVideoPrivate->EdidDiscovered.SizeOfEdid = VESA_BIOS_EXTENSIONS_EDID_BLOCK_SIZE;
+ Status = gBS->AllocatePool (
+ EfiBootServicesData,
+ VESA_BIOS_EXTENSIONS_EDID_BLOCK_SIZE,
+ &BiosVideoPrivate->EdidDiscovered.Edid
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+ gBS->CopyMem (
+ BiosVideoPrivate->EdidDiscovered.Edid,
+ BiosVideoPrivate->VbeEdidDataBlock,
+ VESA_BIOS_EXTENSIONS_EDID_BLOCK_SIZE
+ );
+
+ EdidFound = TRUE;
+ }
+ }
+
+ //
+ // Set up ActiveEdid data pointer and size
+ //
+ if (EdidFound) {
+ EdidActiveDataSize = VESA_BIOS_EXTENSIONS_EDID_BLOCK_SIZE;
+ EdidActiveDataBlock = BiosVideoPrivate->EdidDiscovered.Edid;
+ } else if (EdidOverrideFound) {
+ EdidActiveDataSize = EdidOverrideDataSize;
+ EdidActiveDataBlock = EdidOverrideDataBlock;
+ EdidFound = TRUE;
+ }
+
+ if (EdidFound) {
+ //
+ // Parse EDID data structure to retrieve modes supported by monitor
+ //
+ if (ParseEdidData ((UINT8 *) EdidActiveDataBlock) == TRUE) {
+ //
+ // Copy EDID Override Data to EDID Active Data
+ //
+ BiosVideoPrivate->EdidActive.SizeOfEdid = (UINT32)EdidActiveDataSize;
+ Status = gBS->AllocatePool (
+ EfiBootServicesData,
+ EdidActiveDataSize,
+ &BiosVideoPrivate->EdidActive.Edid
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+ gBS->CopyMem (
+ BiosVideoPrivate->EdidActive.Edid,
+ EdidActiveDataBlock,
+ EdidActiveDataSize
+ );
+ }
+ } else {
+ BiosVideoPrivate->EdidActive.SizeOfEdid = 0;
+ BiosVideoPrivate->EdidActive.Edid = NULL;
+ EdidFound = FALSE;
+ }
+
+ //
+ // Walk through the mode list to see if there is at least one mode the is compatible with the EDID mode
+ //
+ ModeNumberPtr = (UINT16 *)
+ (
+ (((UINTN) BiosVideoPrivate->VbeInformationBlock->VideoModePtr & 0xffff0000) >> 12) |
+ ((UINTN) BiosVideoPrivate->VbeInformationBlock->VideoModePtr & 0x0000ffff)
+ );
+
+ PreferMode = 0;
+ ModeNumber = 0;
+
+ TRACE((TRACE_BIOS_VIDEO, "VESA: fetching the list of VESA modes supported by the controller from %x\n", ModeNumberPtr));
+
+ for (; *ModeNumberPtr != VESA_BIOS_EXTENSIONS_END_OF_MODE_LIST; ModeNumberPtr++) {
+ //
+ // Make sure this is a mode number defined by the VESA VBE specification. If it isn'tm then skip this mode number.
+ //
+ TRACE((TRACE_BIOS_VIDEO,"VESA mode %x ", *ModeNumberPtr));
+
+ if ((*ModeNumberPtr & VESA_BIOS_EXTENSIONS_MODE_NUMBER_VESA) == 0) {
+ TRACE((TRACE_BIOS_VIDEO,".. skipping as it is not a proper VESA mode number\n"));
+ continue;
+ }
+
+ //
+ // Get the information about the mode
+ //
+ gBS->SetMem (&Regs, sizeof (Regs), 0);
+ Regs.X.AX = VESA_BIOS_EXTENSIONS_RETURN_MODE_INFORMATION;
+ Regs.X.CX = *ModeNumberPtr;
+ gBS->SetMem (BiosVideoPrivate->VbeModeInformationBlock, sizeof (VESA_BIOS_EXTENSIONS_MODE_INFORMATION_BLOCK), 0);
+ Regs.X.ES = EFI_SEGMENT ((UINTN) BiosVideoPrivate->VbeModeInformationBlock);
+ Regs.X.DI = EFI_OFFSET ((UINTN) BiosVideoPrivate->VbeModeInformationBlock);
+
+ BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);
+
+ //
+ // See if the call succeeded. If it didn't, then try the next mode.
+ //
+ if (Regs.X.AX != VESA_BIOS_EXTENSIONS_STATUS_SUCCESS) {
+ TRACE((TRACE_BIOS_VIDEO,".. skipping as we can not retrieve mode details\n"));
+ continue;
+ }
+
+ TRACE((TRACE_BIOS_VIDEO, "(%dx%d) ", BiosVideoPrivate->VbeModeInformationBlock->XResolution, BiosVideoPrivate->VbeModeInformationBlock->YResolution));
+
+ //
+ // See if the mode supported in hardware. If it doesn't then try the next mode.
+ //
+ if ((BiosVideoPrivate->VbeModeInformationBlock->ModeAttributes & VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_HARDWARE) == 0) {
+ TRACE((TRACE_BIOS_VIDEO,"skipping as the mode is not supported in hardware...\n"));
+ continue;
+ }
+
+ //
+ // See if the mode supports color. If it doesn't then try the next mode.
+ //
+ if ((BiosVideoPrivate->VbeModeInformationBlock->ModeAttributes & VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_COLOR) == 0) {
+ TRACE((TRACE_BIOS_VIDEO,"is invalid, skipping...\n"));
+ continue;
+ }
+ //
+ // See if the mode supports graphics. If it doesn't then try the next mode.
+ //
+ if ((BiosVideoPrivate->VbeModeInformationBlock->ModeAttributes & VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_GRAPHICS) == 0) {
+ TRACE((TRACE_BIOS_VIDEO,"skipping as the mode is not graphical...\n"));
+ continue;
+ }
+ //
+ // See if the mode supports a linear frame buffer. If it doesn't then try the next mode.
+ //
+ if ((BiosVideoPrivate->VbeModeInformationBlock->ModeAttributes & VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER) == 0) {
+ TRACE((TRACE_BIOS_VIDEO,"skipping as the mode has not linear frame buffer...\n"));
+ continue;
+ }
+ //
+ // See if the mode supports 32 bit color. If it doesn't then try the next mode.
+ // 32 bit mode can be implemented by 24 Bits Per Pixel. Also make sure the
+ // number of bits per pixel is a multiple of 8 or more than 32 bits per pixel
+ //
+ if (BiosVideoPrivate->VbeModeInformationBlock->BitsPerPixel < 24) {
+ TRACE((TRACE_BIOS_VIDEO,"skipping as BPP (%d) is less than 24...\n", BiosVideoPrivate->VbeModeInformationBlock->BitsPerPixel));
+ continue;
+ }
+
+ if (BiosVideoPrivate->VbeModeInformationBlock->BitsPerPixel > 32) {
+ TRACE((TRACE_BIOS_VIDEO,"skipping as BPP (%d) is more than 32...\n", BiosVideoPrivate->VbeModeInformationBlock->BitsPerPixel));
+ continue;
+ }
+
+ if ((BiosVideoPrivate->VbeModeInformationBlock->BitsPerPixel % 8) != 0) {
+ TRACE((TRACE_BIOS_VIDEO,"skipping as BPP (%d) modulo 8 is non-zero...\n", BiosVideoPrivate->VbeModeInformationBlock->BitsPerPixel));
+ continue;
+ }
+ //
+ // See if the physical base pointer for the linear mode is valid. If it isn't then try the next mode.
+ //
+ if (BiosVideoPrivate->VbeModeInformationBlock->PhysBasePtr == 0) {
+ TRACE((TRACE_BIOS_VIDEO,"skipping as PhysBasePtr is zero...\n"));
+ continue;
+ }
+ EdidMatch = FALSE;
+ if (EdidFound) {
+ //
+ // EDID exist, check whether this mode match with any mode in EDID
+ //
+ ResolutionKey = BiosVideoPrivate->VbeModeInformationBlock->YResolution |
+ (BiosVideoPrivate->VbeModeInformationBlock->XResolution << 16);
+
+ if (SearchEdidTiming (ResolutionKey) == TRUE) {
+ EdidMatch = TRUE;
+ TRACE((TRACE_BIOS_VIDEO, "EDID match found.\n"));
+ }
+ }
+
+ //
+ // Select a reasonable mode to be set for current display mode
+ //
+ ModeFound = FALSE;
+
+ for(i = 0; i < MaxTextMode; i++)
+ {
+ if(TextModeArray[i].VideoCol == BiosVideoPrivate->VbeModeInformationBlock->XResolution &&
+ TextModeArray[i].VideoRow == BiosVideoPrivate->VbeModeInformationBlock->YResolution)
+ {
+ ModeFound = TRUE;
+ TRACE((TRACE_BIOS_VIDEO, "MODE match found (%d).\n", i));
+ }
+ }
+ if ((!EdidMatch) && (!ModeFound)) {
+ //
+ // When EDID exist and if the timing matches with VESA add it.
+ // And also add three possible resolutions, i.e. 1024x768, 800x600, 640x480
+ //
+ TRACE((TRACE_BIOS_VIDEO, "neither EDID nor MODE match is found.\n", i));
+ continue;
+ }
+
+ if (CheckForDuplicateMode(BiosVideoPrivate, ModeNumber) == EFI_SUCCESS)
+ {
+ TRACE((TRACE_BIOS_VIDEO, "skipping as the same resolution (%dx%d) is already available\n",
+ BiosVideoPrivate->VbeModeInformationBlock->XResolution,
+ BiosVideoPrivate->VbeModeInformationBlock->YResolution));
+ continue;
+ }
+
+ //
+ // Add mode to the list of available modes
+ //
+ ModeNumber ++;
+ Status = gBS->AllocatePool (
+ EfiBootServicesData,
+ ModeNumber * sizeof (BIOS_VIDEO_MODE_DATA),
+ (VOID **) &ModeBuffer
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+ if (ModeNumber > 1) {
+ gBS->CopyMem (
+ ModeBuffer,
+ BiosVideoPrivate->ModeData,
+ (ModeNumber - 1) * sizeof (BIOS_VIDEO_MODE_DATA)
+ );
+ }
+
+ if (BiosVideoPrivate->ModeData != NULL) {
+ gBS->FreePool (BiosVideoPrivate->ModeData);
+ BiosVideoPrivate->ModeData = NULL;
+ }
+
+ CurrentModeData = &ModeBuffer[ModeNumber - 1];
+ CurrentModeData->VbeModeNumber = *ModeNumberPtr;
+ if (BiosVideoPrivate->VbeInformationBlock->VESAVersion >= VESA_BIOS_EXTENSIONS_VERSION_3_0) {
+ CurrentModeData->BytesPerScanLine = BiosVideoPrivate->VbeModeInformationBlock->LinBytesPerScanLine;
+ CurrentModeData->Red.Position = BiosVideoPrivate->VbeModeInformationBlock->LinRedFieldPosition;
+ CurrentModeData->Red.Mask = (UINT8) ((1 << BiosVideoPrivate->VbeModeInformationBlock->LinRedMaskSize) - 1);
+ CurrentModeData->Blue.Position = BiosVideoPrivate->VbeModeInformationBlock->LinBlueFieldPosition;
+ CurrentModeData->Blue.Mask = (UINT8) ((1 << BiosVideoPrivate->VbeModeInformationBlock->LinBlueMaskSize) - 1);
+ CurrentModeData->Green.Position = BiosVideoPrivate->VbeModeInformationBlock->LinGreenFieldPosition;
+ CurrentModeData->Green.Mask = (UINT8) ((1 << BiosVideoPrivate->VbeModeInformationBlock->LinGreenMaskSize) - 1);
+ CurrentModeData->Reserved.Position = BiosVideoPrivate->VbeModeInformationBlock->LinRsvdFieldPosition;
+ CurrentModeData->Reserved.Mask = (UINT8) ((1 << BiosVideoPrivate->VbeModeInformationBlock->LinRsvdMaskSize) - 1);
+ } else {
+ CurrentModeData->BytesPerScanLine = BiosVideoPrivate->VbeModeInformationBlock->BytesPerScanLine;
+ CurrentModeData->Red.Position = BiosVideoPrivate->VbeModeInformationBlock->RedFieldPosition;
+ CurrentModeData->Red.Mask = (UINT8) ((1 << BiosVideoPrivate->VbeModeInformationBlock->RedMaskSize) - 1);
+ CurrentModeData->Blue.Position = BiosVideoPrivate->VbeModeInformationBlock->BlueFieldPosition;
+ CurrentModeData->Blue.Mask = (UINT8) ((1 << BiosVideoPrivate->VbeModeInformationBlock->BlueMaskSize) - 1);
+ CurrentModeData->Green.Position = BiosVideoPrivate->VbeModeInformationBlock->GreenFieldPosition;
+ CurrentModeData->Green.Mask = (UINT8) ((1 << BiosVideoPrivate->VbeModeInformationBlock->GreenMaskSize) - 1);
+ CurrentModeData->Reserved.Position = BiosVideoPrivate->VbeModeInformationBlock->RsvdFieldPosition;
+ CurrentModeData->Reserved.Mask = (UINT8) ((1 << BiosVideoPrivate->VbeModeInformationBlock->RsvdMaskSize) - 1);
+ }
+//*** AMI PORTING BEGIN ***//
+//Bug fix: The original logic did not work for a modes with 24-bit pixels.
+// For a 24-bit pixels, the PixelFormat must be set to PixelBitMask, which
+// was not happening with the original "if" statement
+// if ((CurrentModeData->Red.Mask == 0xff) && (CurrentModeData->Green.Mask == 0xff) && (CurrentModeData->Blue.Mask == 0xff)) {
+ if ( (BiosVideoPrivate->VbeModeInformationBlock->BitsPerPixel == 32)
+ && (CurrentModeData->Red.Mask == 0xff) && (CurrentModeData->Green.Mask == 0xff) && (CurrentModeData->Blue.Mask == 0xff)
+ ) {
+//*** AMI PORTING END *****//
+ if ((CurrentModeData->Red.Position == 0) && (CurrentModeData->Green.Position == 8)) {
+ CurrentModeData->PixelFormat = PixelRedGreenBlueReserved8BitPerColor;
+ } else if ((CurrentModeData->Blue.Position == 0) && (CurrentModeData->Green.Position == 8)) {
+ CurrentModeData->PixelFormat = PixelBlueGreenRedReserved8BitPerColor;
+ }
+ } else {
+ CurrentModeData->PixelFormat = PixelBitMask;
+ }
+ CurrentModeData->PixelBitMask.RedMask = ((UINT32) CurrentModeData->Red.Mask) << CurrentModeData->Red.Position;
+ CurrentModeData->PixelBitMask.GreenMask = ((UINT32) CurrentModeData->Green.Mask) << CurrentModeData->Green.Position;
+ CurrentModeData->PixelBitMask.BlueMask = ((UINT32) CurrentModeData->Blue.Mask) << CurrentModeData->Blue.Position;
+ CurrentModeData->PixelBitMask.ReservedMask = ((UINT32) CurrentModeData->Reserved.Mask) << CurrentModeData->Reserved.Position;
+
+//*** AMI PORTING BEGIN ***//
+#if CSM_VGA_64BITBAR_WORKAROUND
+ if(Above4g){
+ UINT64 PhysBasePtr4g=BiosVideoPrivate->VbeModeInformationBlock->PhysBasePtr;
+ //------------------------------------
+ Status=Update64BitLinearBufferAddr(BiosVideoPrivate->PciIo, &PhysBasePtr4g, PciConfSpace);
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+ CurrentModeData->LinearFrameBuffer = (VOID *) (UINTN)PhysBasePtr4g;
+ }else
+#endif
+ {
+ CurrentModeData->LinearFrameBuffer = (VOID *) (UINTN)BiosVideoPrivate->VbeModeInformationBlock->PhysBasePtr;
+ }
+ //CurrentModeData->LinearFrameBuffer = (VOID *) (UINTN)BiosVideoPrivate->VbeModeInformationBlock->PhysBasePtr;
+
+//*** AMI PORTING END *****//
+ CurrentModeData->HorizontalResolution = BiosVideoPrivate->VbeModeInformationBlock->XResolution;
+ CurrentModeData->VerticalResolution = BiosVideoPrivate->VbeModeInformationBlock->YResolution;
+
+ CurrentModeData->BitsPerPixel = BiosVideoPrivate->VbeModeInformationBlock->BitsPerPixel;
+
+//*** AMI PORTING BEGIN ***//
+// UEFI SCT 2.3.1 Summer Summit version reports that framebuffersize mismatch in query mode of SCT test
+// Calculated the framebuffersize based for each mode configuration
+ if(CurrentModeData->PixelFormat == PixelRedGreenBlueReserved8BitPerColor ||
+ CurrentModeData->PixelFormat == PixelBlueGreenRedReserved8BitPerColor) {
+ CurrentModeData->FrameBufferSize=((CurrentModeData->BytesPerScanLine * 8) / CurrentModeData->BitsPerPixel) *
+ CurrentModeData->VerticalResolution *
+ sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);
+ } else {
+ CurrentModeData->FrameBufferSize = BiosVideoPrivate->VbeInformationBlock->TotalMemory * 64 * 1024;
+ }
+//*** AMI PORTING END *****//
+
+ CurrentModeData->RefreshRate = 60;
+
+ BiosVideoPrivate->ModeData = ModeBuffer;
+ }
+ //
+ // Check to see if we found any modes that are compatible with GRAPHICS OUTPUT
+ //
+ if (ModeNumber == 0) {
+ Status = EFI_DEVICE_ERROR;
+ goto Done;
+ }
+
+ //
+ // Allocate buffer for Graphics Output Protocol mode information
+ //
+ Status = gBS->AllocatePool (
+ EfiBootServicesData,
+ sizeof (EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE),
+ (VOID **) &BiosVideoPrivate->GraphicsOutput.Mode
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+ GraphicsOutputMode = BiosVideoPrivate->GraphicsOutput.Mode;
+ Status = gBS->AllocatePool (
+ EfiBootServicesData,
+ sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION),
+ (VOID **) &GraphicsOutputMode->Info
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+ GraphicsOutputMode->MaxMode = (UINT32) ModeNumber;
+ //
+ // Current mode is still unknown, set it to an invalid mode.
+ //
+ GraphicsOutputMode->Mode = GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER;
+ TRACE((TRACE_BIOS_VIDEO, "Total number of GOP modes: %d\n", ModeNumber));
+ //
+ // Find the best mode to initialize
+ //
+ Status = BiosVideoGraphicsOutputSetMode (&BiosVideoPrivate->GraphicsOutput, (UINT32) PreferMode);
+ if (EFI_ERROR (Status)) {
+ for (PreferMode = 0; PreferMode < ModeNumber; PreferMode ++) {
+ Status = BiosVideoGraphicsOutputSetMode (
+ &BiosVideoPrivate->GraphicsOutput,
+ (UINT32) PreferMode
+ );
+ if (!EFI_ERROR (Status)) {
+ break;
+ }
+ }
+ if (PreferMode == ModeNumber) {
+ //
+ // None mode is set successfully.
+ //
+ goto Done;
+ }
+ }
+
+Done:
+ //
+ // If there was an error, then free the mode structure
+ //
+ if (EFI_ERROR (Status)) {
+ if (BiosVideoPrivate->ModeData != NULL) {
+ gBS->FreePool (BiosVideoPrivate->ModeData);
+ BiosVideoPrivate->ModeData = NULL;
+ }
+ if (BiosVideoPrivate->GraphicsOutput.Mode != NULL) {
+ if (BiosVideoPrivate->GraphicsOutput.Mode->Info != NULL) {
+ gBS->FreePool (BiosVideoPrivate->GraphicsOutput.Mode->Info);
+ BiosVideoPrivate->GraphicsOutput.Mode->Info = NULL;
+ }
+ gBS->FreePool (BiosVideoPrivate->GraphicsOutput.Mode);
+ BiosVideoPrivate->GraphicsOutput.Mode = NULL;
+ }
+ }
+
+ return Status;
+}
+
+//*** AMI PORTING BEGIN ***//
+#endif//if INT10_VESA_GO_SUPPORT==1
+//*** AMI PORTING END *****//
+//*** AMI PORTING BEGIN ***//
+#if INT10_VGA_GO_SUPPORT==1
+//*** AMI PORTING END *****//
+EFI_STATUS
+EFIAPI
+BiosVideoCheckForVga (
+ IN OUT BIOS_VIDEO_DEV *BiosVideoPrivate
+ )
+/*++
+
+ Routine Description:
+
+ Check for VGA device
+
+ Arguments:
+
+ BiosVideoPrivate - Pointer to BIOS_VIDEO_DEV structure
+
+ Returns:
+
+ EFI_SUCCESS - Standard VGA device found
+
+--*/
+{
+ EFI_STATUS Status;
+ BIOS_VIDEO_MODE_DATA *ModeBuffer;
+
+ //
+ // Fill in the Graphics Output Protocol
+ //
+ BiosVideoPrivate->GraphicsOutput.QueryMode = BiosVideoGraphicsOutputQueryMode;
+ BiosVideoPrivate->GraphicsOutput.SetMode = BiosVideoGraphicsOutputSetMode;
+ BiosVideoPrivate->GraphicsOutput.Blt = BiosVideoGraphicsOutputVgaBlt;
+
+ //
+ // Allocate buffer for Graphics Output Protocol mode information
+ //
+ Status = gBS->AllocatePool (
+ EfiBootServicesData,
+ sizeof (EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE),
+ (VOID **) &BiosVideoPrivate->GraphicsOutput.Mode
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+ Status = gBS->AllocatePool (
+ EfiBootServicesData,
+ sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION),
+ (VOID **) &BiosVideoPrivate->GraphicsOutput.Mode->Info
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+ //
+ // Add mode to the list of available modes
+ //
+ BiosVideoPrivate->GraphicsOutput.Mode->MaxMode = 1;
+
+ Status = gBS->AllocatePool (
+ EfiBootServicesData,
+ sizeof (BIOS_VIDEO_MODE_DATA),
+ (VOID **) &ModeBuffer
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+ ModeBuffer->VbeModeNumber = 0x0012;
+ ModeBuffer->BytesPerScanLine = 640;
+ ModeBuffer->LinearFrameBuffer = (VOID *) (UINTN) (0xa0000);
+ ModeBuffer->FrameBufferSize = 0;
+ ModeBuffer->HorizontalResolution = 640;
+ ModeBuffer->VerticalResolution = 480;
+ ModeBuffer->RefreshRate = 60;
+ ModeBuffer->PixelFormat = PixelBltOnly;
+//*** AMI PORTING BEGIN ***//
+//Bug fix: initialize BitsPerPixel
+ ModeBuffer->BitsPerPixel = 4;
+//*** AMI PORTING END *****//
+
+ BiosVideoPrivate->ModeData = ModeBuffer;
+
+ //
+ // Test to see if the Video Adapter support the 640x480 16 color mode
+ //
+ BiosVideoPrivate->GraphicsOutput.Mode->Mode = GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER;
+ Status = BiosVideoGraphicsOutputSetMode (&BiosVideoPrivate->GraphicsOutput, 0);
+
+Done:
+ //
+ // If there was an error, then free the mode structure
+ //
+ if (EFI_ERROR (Status)) {
+ if (BiosVideoPrivate->ModeData != NULL) {
+ gBS->FreePool (BiosVideoPrivate->ModeData);
+ BiosVideoPrivate->ModeData = NULL;
+ }
+ if (BiosVideoPrivate->GraphicsOutput.Mode != NULL) {
+ if (BiosVideoPrivate->GraphicsOutput.Mode->Info != NULL) {
+ gBS->FreePool (BiosVideoPrivate->GraphicsOutput.Mode->Info);
+ BiosVideoPrivate->GraphicsOutput.Mode->Info = NULL;
+ }
+ gBS->FreePool (BiosVideoPrivate->GraphicsOutput.Mode);
+ BiosVideoPrivate->GraphicsOutput.Mode = NULL;
+ }
+ }
+ return Status;
+}
+//*** AMI PORTING BEGIN ***//
+#endif//if INT10_VGA_GO_SUPPORT==1
+//*** AMI PORTING END *****//
+
+//
+// Graphics Output Protocol Member Functions for VESA BIOS Extensions
+//
+EFI_STATUS
+EFIAPI
+BiosVideoGraphicsOutputQueryMode (
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
+ IN UINT32 ModeNumber,
+ OUT UINTN *SizeOfInfo,
+ OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info
+ )
+/*++
+
+Routine Description:
+
+ Graphics Output protocol interface to get video mode
+
+ Arguments:
+ This - Protocol instance pointer.
+ ModeNumber - The mode number to return information on.
+ Info - Caller allocated buffer that returns information about ModeNumber.
+ SizeOfInfo - A pointer to the size, in bytes, of the Info buffer.
+
+ Returns:
+ EFI_SUCCESS - Mode information returned.
+ EFI_DEVICE_ERROR - A hardware error occurred trying to retrieve the video mode.
+ EFI_NOT_STARTED - Video display is not initialized. Call SetMode ()
+ EFI_INVALID_PARAMETER - One of the input args was NULL.
+
+--*/
+{
+ BIOS_VIDEO_DEV *BiosVideoPrivate;
+ EFI_STATUS Status;
+ BIOS_VIDEO_MODE_DATA *ModeData;
+
+ BiosVideoPrivate = BIOS_VIDEO_DEV_FROM_GRAPHICS_OUTPUT_THIS (This);
+
+ if (BiosVideoPrivate->HardwareNeedsStarting) {
+ ReportStatusCodeWithDevicePath (
+ EFI_ERROR_CODE | EFI_ERROR_MINOR,
+ EFI_PERIPHERAL_LOCAL_CONSOLE | EFI_P_EC_OUTPUT_ERROR,
+ 0,
+ &gEfiCallerIdGuid,
+ BiosVideoPrivate->DevicePath
+ );
+ return EFI_NOT_STARTED;
+ }
+
+ if (This == NULL || Info == NULL || SizeOfInfo == NULL || ModeNumber >= This->Mode->MaxMode) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Status = gBS->AllocatePool (
+ EfiBootServicesData,
+ sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION),
+ Info
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ *SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
+
+ ModeData = &BiosVideoPrivate->ModeData[ModeNumber];
+ (*Info)->Version = 0;
+ (*Info)->HorizontalResolution = ModeData->HorizontalResolution;
+ (*Info)->VerticalResolution = ModeData->VerticalResolution;
+ (*Info)->PixelFormat = ModeData->PixelFormat;
+ (*Info)->PixelInformation = ModeData->PixelBitMask;
+
+ (*Info)->PixelsPerScanLine = (ModeData->BytesPerScanLine * 8) / ModeData->BitsPerPixel;
+
+ return EFI_SUCCESS;
+}
+
+//*** AMI PORTING BEGIN ***//
+// The AllocateTheBuffers function below and certain modifications of
+// the BiosVideoGraphicsOutputVbeBlt nd BiosVideoVgaMiniPortSetMode functions
+// are made to address the issues reaised in EIP 35682.
+//
+// The BLT function (BiosVideoGraphicsOutputVbeBlt) uses several memory buffers.
+// Default implementation allocates the buffers in the SetMode(BiosVideoVgaMiniPortSetMode)
+// function. We are changing implementation to allocate the buffers right in the BLT function
+// before the first use. The code that releases the buffers is still in the SetMode function.
+//
+// This is a workaround for the "UEFI Windows 7 Startup Repair" bug.
+// When Startup Repair option is selected, it crashes with the 0xc0000225 error prior
+// to the call to ExitBootServices.
+// The problem is caused by the Windows inability to handle memory map changes.
+// The memory map changes when Windows calls Gop->SetMode and our implementation of the
+// SetMode(BiosVideoGraphicsOutputVbeBlt) allocates the buffers.
+// This workaround moves buffer allocation to the BLT function (BiosVideoGraphicsOutputVbeBlt),
+// which Windows never calls and therefore memory map never changes.
+EFI_STATUS AllocateTheBuffers(BIOS_VIDEO_DEV *BiosVideoPrivate){
+ EFI_STATUS Status;
+ BIOS_VIDEO_MODE_DATA *ModeData;
+ UINT16 MaxBytesPerScanLine = 0;
+ UINT32 MaxVerticalResolution = 0;
+ UINT32 CurrentMode = (BiosVideoPrivate->GraphicsOutput).Mode->Mode;
+ UINT32 MaxMode = (BiosVideoPrivate->GraphicsOutput).Mode->MaxMode;
+ UINT32 Index;
+
+ TRACE((TRACE_BIOS_VIDEO, "UefiBiosVideo AllocateTheBuffers()\n"));
+ for(Index = 0; Index < MaxMode; Index++) {
+ ModeData = &BiosVideoPrivate->ModeData[Index];
+
+ if (MaxBytesPerScanLine < ModeData->BytesPerScanLine) {
+ MaxBytesPerScanLine = ModeData->BytesPerScanLine;
+ }
+ if (MaxVerticalResolution < ModeData->VerticalResolution) {
+ MaxVerticalResolution = ModeData->VerticalResolution;
+ }
+
+ TRACE((TRACE_BIOS_VIDEO, "VbeModeNumber: 0x%x\n", ModeData->VbeModeNumber));
+ TRACE((TRACE_BIOS_VIDEO, "BytesPerScanLine: 0x%x\n", \
+ ModeData->BytesPerScanLine));
+ TRACE((TRACE_BIOS_VIDEO, "HorizontalResolution: 0x%x\n", \
+ ModeData->HorizontalResolution));
+ TRACE((TRACE_BIOS_VIDEO, "VerticalResolution: 0x%x\n", \
+ ModeData->VerticalResolution));
+ }
+
+ TRACE((TRACE_BIOS_VIDEO, "MaxBytesPerScanLine: 0x%x\n", MaxBytesPerScanLine));
+ TRACE((TRACE_BIOS_VIDEO, "MaxVerticalResolution: 0x%x\n", \
+ MaxVerticalResolution));
+
+ ModeData = &BiosVideoPrivate->ModeData[CurrentMode];
+
+ Status = gBS->AllocatePool (
+ EfiBootServicesData,
+ MaxBytesPerScanLine,
+ &BiosVideoPrivate->LineBuffer
+ );
+ if (EFI_ERROR (Status)) {
+ BiosVideoPrivate->LineBuffer=NULL;
+ return Status;
+ }
+ MemSet(BiosVideoPrivate->LineBuffer, MaxBytesPerScanLine, 0);
+
+ //
+ // Allocate a working buffer for BLT operations to the VGA frame buffer
+ //
+ Status = gBS->AllocatePool (
+ EfiBootServicesData,
+ 4 * 480 * 80,
+ &BiosVideoPrivate->VgaFrameBuffer
+ );
+ if (EFI_ERROR (Status)) {
+ gBS->FreePool (BiosVideoPrivate->LineBuffer);
+ BiosVideoPrivate->LineBuffer=NULL;
+ return Status;
+ }
+ MemSet(BiosVideoPrivate->VgaFrameBuffer, 4 * 480 * 80, 0);
+
+ //
+ // Allocate a working buffer for BLT operations to the VBE frame buffer
+ //
+ Status = gBS->AllocatePool (
+ EfiBootServicesData,
+ MaxBytesPerScanLine * MaxVerticalResolution,
+ &BiosVideoPrivate->VbeFrameBuffer
+ );
+ if (EFI_ERROR (Status)) {
+ gBS->FreePool (BiosVideoPrivate->LineBuffer);
+ BiosVideoPrivate->LineBuffer=NULL;
+ return Status;
+ }
+ MemSet(
+ BiosVideoPrivate->VbeFrameBuffer,
+ MaxBytesPerScanLine * MaxVerticalResolution,
+ 0
+ );
+
+ //
+ // Initialize the state of the VbeFrameBuffer
+ //
+ if (ModeData->VbeModeNumber >= 0x100) {
+ gBS->CopyMem (
+ BiosVideoPrivate->VbeFrameBuffer,
+ ModeData->LinearFrameBuffer,
+ (ModeData->BytesPerScanLine * ModeData->VerticalResolution));
+
+ }
+ return Status;
+}
+
+//*** AMI PORTING END *****//
+
+EFI_STATUS
+EFIAPI
+BiosVideoGraphicsOutputSetMode (
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL * This,
+ IN UINT32 ModeNumber
+ )
+/*++
+
+Routine Description:
+
+ Graphics Output protocol interface to set video mode
+
+ Arguments:
+ This - Protocol instance pointer.
+ ModeNumber - The mode number to be set.
+
+ Returns:
+ EFI_SUCCESS - Graphics mode was changed.
+ EFI_DEVICE_ERROR - The device had an error and could not complete the request.
+ EFI_UNSUPPORTED - ModeNumber is not supported by this device.
+
+--*/
+{
+//*** AMI PORTING BEGIN ***//
+//Workaround for EIP 35682. See comments above
+//AllocateTheBuffers function for additional details.
+// EFI_STATUS Status;
+//*** AMI PORTING END *****//
+ BIOS_VIDEO_DEV *BiosVideoPrivate;
+ EFI_IA32_REGISTER_SET Regs;
+ BIOS_VIDEO_MODE_DATA *ModeData;
+
+ BiosVideoPrivate = BIOS_VIDEO_DEV_FROM_GRAPHICS_OUTPUT_THIS (This);
+
+ if (This == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (ModeNumber >= This->Mode->MaxMode) {
+ return EFI_UNSUPPORTED;
+ }
+/*
+ if (ModeNumber == This->Mode->Mode) {
+ return EFI_SUCCESS;
+ }
+*/
+ ModeData = &BiosVideoPrivate->ModeData[ModeNumber];
+
+ if (BiosVideoPrivate->LineBuffer) {
+ gBS->FreePool (BiosVideoPrivate->LineBuffer);
+ BiosVideoPrivate->LineBuffer = NULL;
+ }
+
+ if (BiosVideoPrivate->VgaFrameBuffer) {
+ gBS->FreePool (BiosVideoPrivate->VgaFrameBuffer);
+ BiosVideoPrivate->VgaFrameBuffer = NULL;
+ }
+
+ if (BiosVideoPrivate->VbeFrameBuffer) {
+ gBS->FreePool (BiosVideoPrivate->VbeFrameBuffer);
+ BiosVideoPrivate->VbeFrameBuffer = NULL;
+ }
+
+ BiosVideoPrivate->LineBuffer = NULL;
+//*** AMI PORTING BEGIN ***//
+// Workaround for EIP 35682.
+// Buffer allocation code is moved to AllocateTheBuffers function,
+// which is called from the BiosVideoGraphicsOutputVbeBlt.
+// See comments above AllocateTheBuffers function for additional details.
+/*
+ Status = gBS->AllocatePool (
+ EfiBootServicesData,
+ ModeData->BytesPerScanLine,
+ &BiosVideoPrivate->LineBuffer
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+*/
+//*** AMI PORTING END *****//
+ //
+ // Clear all registers
+ //
+ gBS->SetMem (&Regs, sizeof (Regs), 0);
+
+ if (ModeData->VbeModeNumber < 0x100) {
+ //
+ // Allocate a working buffer for BLT operations to the VGA frame buffer
+ //
+ BiosVideoPrivate->VgaFrameBuffer = NULL;
+//*** AMI PORTING BEGIN ***//
+//*** AMI PORTING BEGIN ***//
+// Workaround for EIP 35682.
+// Buffer allocation code is moved to AllocateTheBuffers function,
+// which is called from the BiosVideoGraphicsOutputVbeBlt.
+// See comments above AllocateTheBuffers function for additional details.
+/*
+ Status = gBS->AllocatePool (
+ EfiBootServicesData,
+ 4 * 480 * 80,
+ &BiosVideoPrivate->VgaFrameBuffer
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+*/
+//*** AMI PORTING END *****//
+ //
+ // Set VGA Mode
+ //
+ Regs.X.AX = ModeData->VbeModeNumber;
+ BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);
+
+ } else {
+ //
+ // Allocate a working buffer for BLT operations to the VBE frame buffer
+ //
+ BiosVideoPrivate->VbeFrameBuffer = NULL;
+//*** AMI PORTING BEGIN ***//
+//*** AMI PORTING BEGIN ***//
+// Workaround for EIP 35682.
+// Buffer allocation code is moved to AllocateTheBuffers function,
+// which is called from the BiosVideoGraphicsOutputVbeBlt.
+// See comments above AllocateTheBuffers function for additional details.
+/*
+ Status = gBS->AllocatePool (
+ EfiBootServicesData,
+ ModeData->BytesPerScanLine * ModeData->VerticalResolution,
+ &BiosVideoPrivate->VbeFrameBuffer
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+*/
+//*** AMI PORTING END *****//
+ //
+ // Set VBE mode
+ //
+ Regs.X.AX = VESA_BIOS_EXTENSIONS_SET_MODE;
+ Regs.X.BX = (UINT16) (ModeData->VbeModeNumber | VESA_BIOS_EXTENSIONS_MODE_NUMBER_LINEAR_FRAME_BUFFER);
+ gBS->SetMem (BiosVideoPrivate->VbeCrtcInformationBlock, sizeof (VESA_BIOS_EXTENSIONS_CRTC_INFORMATION_BLOCK), 0);
+ Regs.X.ES = EFI_SEGMENT ((UINTN) BiosVideoPrivate->VbeCrtcInformationBlock);
+ Regs.X.DI = EFI_OFFSET ((UINTN) BiosVideoPrivate->VbeCrtcInformationBlock);
+ BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);
+
+ //
+ // Check to see if the call succeeded
+ //
+ if (Regs.X.AX != VESA_BIOS_EXTENSIONS_STATUS_SUCCESS) {
+ ReportStatusCodeWithDevicePath (
+ EFI_ERROR_CODE | EFI_ERROR_MINOR,
+ EFI_PERIPHERAL_LOCAL_CONSOLE | EFI_P_EC_OUTPUT_ERROR,
+ 0,
+ &gEfiCallerIdGuid,
+ BiosVideoPrivate->DevicePath
+ );
+ return EFI_DEVICE_ERROR;
+ }
+//*** AMI PORTING BEGIN ***//
+ //
+ // Initialize the state of the VbeFrameBuffer
+ //
+
+/*
+ Status = BiosVideoPrivate->PciIo->Mem.Read (
+ BiosVideoPrivate->PciIo,
+ EfiPciIoWidthUint32,
+ EFI_PCI_IO_PASS_THROUGH_BAR,
+ (UINT64) (UINTN) ModeData->LinearFrameBuffer,
+ (ModeData->BytesPerScanLine * ModeData->VerticalResolution) >> 2,
+ BiosVideoPrivate->VbeFrameBuffer
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+*/
+// Workaround for EIP 35682.
+// Buffer allocation and initialization code is moved to AllocateTheBuffers function,
+// which is called from the BiosVideoGraphicsOutputVbeBlt.
+// See comments above AllocateTheBuffers function for additional details.
+/*
+ gBS->CopyMem (
+ BiosVideoPrivate->VbeFrameBuffer,
+ ModeData->LinearFrameBuffer,
+ (ModeData->BytesPerScanLine * ModeData->VerticalResolution));
+*/
+ }
+//*** AMI PORTING END ***//
+
+ This->Mode->Mode = ModeNumber;
+ This->Mode->Info->Version = 0;
+ This->Mode->Info->HorizontalResolution = ModeData->HorizontalResolution;
+ This->Mode->Info->VerticalResolution = ModeData->VerticalResolution;
+ This->Mode->Info->PixelFormat = ModeData->PixelFormat;
+ This->Mode->Info->PixelInformation = ModeData->PixelBitMask;
+ This->Mode->Info->PixelsPerScanLine = (ModeData->BytesPerScanLine * 8) / ModeData->BitsPerPixel;
+ This->Mode->SizeOfInfo = sizeof(EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
+
+ //
+ // Frame BufferSize remain unchanged
+ //
+ This->Mode->FrameBufferBase = (EFI_PHYSICAL_ADDRESS) ModeData->LinearFrameBuffer;
+ This->Mode->FrameBufferSize = ModeData->FrameBufferSize;
+
+ BiosVideoPrivate->HardwareNeedsStarting = FALSE;
+
+ return EFI_SUCCESS;
+}
+
+//*** AMI PORTING BEGIN ***//
+#if INT10_VESA_GO_SUPPORT==1
+//*** AMI PORTING END *****//
+//
+// BUGBUG : Add Blt for 16 bit color, 15 bit color, and 8 bit color modes
+//
+EFI_STATUS
+EFIAPI
+BiosVideoGraphicsOutputVbeBlt (
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
+ IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
+ IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,
+ IN UINTN SourceX,
+ IN UINTN SourceY,
+ IN UINTN DestinationX,
+ IN UINTN DestinationY,
+ IN UINTN Width,
+ IN UINTN Height,
+ IN UINTN Delta
+ )
+/*++
+
+Routine Description:
+
+ Graphics Output protocol instance to block transfer for VBE device
+
+Arguments:
+
+ This - Pointer to Graphics Output protocol instance
+ BltBuffer - The data to transfer to screen
+ BltOperation - The operation to perform
+ SourceX - The X coordinate of the source for BltOperation
+ SourceY - The Y coordinate of the source for BltOperation
+ DestinationX - The X coordinate of the destination for BltOperation
+ DestinationY - The Y coordinate of the destination for BltOperation
+ Width - The width of a rectangle in the blt rectangle in pixels
+ Height - The height of a rectangle in the blt rectangle in pixels
+ Delta - Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.
+ If a Delta of 0 is used, the entire BltBuffer will be operated on.
+ If a subrectangle of the BltBuffer is used, then Delta represents
+ the number of bytes in a row of the BltBuffer.
+
+Returns:
+
+ EFI_INVALID_PARAMETER - Invalid parameter passed in
+ EFI_SUCCESS - Blt operation success
+
+--*/
+{
+ BIOS_VIDEO_DEV *BiosVideoPrivate;
+ BIOS_VIDEO_MODE_DATA *Mode;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ EFI_TPL OriginalTPL;
+ UINTN DstY;
+ UINTN SrcY;
+ UINTN DstX;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt;
+ VOID *MemAddress;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL *VbeFrameBuffer;
+ UINTN BytesPerScanLine;
+ UINTN Index;
+ UINT8 *VbeBuffer;
+ UINT8 *VbeBuffer1;
+ UINT8 *BltUint8;
+ UINT32 VbePixelWidth;
+ UINT32 Pixel;
+
+//*** AMI PORTING BEGIN ***//
+//Bug fix: This is accessed before it's checked on NULL
+ if (This == NULL || ((UINTN) BltOperation) >= EfiGraphicsOutputBltOperationMax) {
+ return EFI_INVALID_PARAMETER;
+ }
+//*** AMI PORTING END *****//
+ BiosVideoPrivate = BIOS_VIDEO_DEV_FROM_GRAPHICS_OUTPUT_THIS (This);
+//*** AMI PORTING BEGIN ***//
+// Workaround for EIP 35682.
+// Allocate memory buffers during the first call of the funciton.
+// See comments above AllocateTheBuffers function for additional details.
+ if (BiosVideoPrivate->LineBuffer==NULL){
+ EFI_STATUS Status = AllocateTheBuffers(BiosVideoPrivate);
+ if (EFI_ERROR(Status)) return Status;
+ }
+//*** AMI PORTING END *****//
+ Mode = &BiosVideoPrivate->ModeData[This->Mode->Mode];
+ PciIo = BiosVideoPrivate->PciIo;
+
+ VbeFrameBuffer = BiosVideoPrivate->VbeFrameBuffer;
+ MemAddress = Mode->LinearFrameBuffer;
+ BytesPerScanLine = Mode->BytesPerScanLine;
+ VbePixelWidth = Mode->BitsPerPixel / 8;
+ BltUint8 = (UINT8 *) BltBuffer;
+
+//*** AMI PORTING BEGIN ***//
+//These parameter checks are moved to the beginning of the function
+/*
+ if (This == NULL || ((UINTN) BltOperation) >= EfiGraphicsOutputBltOperationMax) {
+ return EFI_INVALID_PARAMETER;
+ }
+*/
+//*** AMI PORTING END *****//
+
+ if (Width == 0 || Height == 0) {
+ return EFI_INVALID_PARAMETER;
+ }
+ //
+ // We need to fill the Virtual Screen buffer with the blt data.
+ // The virtual screen is upside down, as the first row is the bootom row of
+ // the image.
+ //
+ if (BltOperation == EfiBltVideoToBltBuffer) {
+ //
+ // Video to BltBuffer: Source is Video, destination is BltBuffer
+ //
+ if (SourceY + Height > Mode->VerticalResolution) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (SourceX + Width > Mode->HorizontalResolution) {
+ return EFI_INVALID_PARAMETER;
+ }
+ } else {
+ //
+ // BltBuffer to Video: Source is BltBuffer, destination is Video
+ //
+ if (DestinationY + Height > Mode->VerticalResolution) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (DestinationX + Width > Mode->HorizontalResolution) {
+ return EFI_INVALID_PARAMETER;
+ }
+ }
+ //
+ // If Delta is zero, then the entire BltBuffer is being used, so Delta
+ // is the number of bytes in each row of BltBuffer. Since BltBuffer is Width pixels size,
+ // the number of bytes in each row can be computed.
+ //
+ if (Delta == 0) {
+ Delta = Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);
+ }
+ //
+ // We have to raise to TPL Notify, so we make an atomic write the frame buffer.
+ // We would not want a timer based event (Cursor, ...) to come in while we are
+ // doing this operation.
+ //
+ OriginalTPL = gBS->RaiseTPL (EFI_TPL_NOTIFY);
+
+ switch (BltOperation) {
+ case EfiBltVideoToBltBuffer:
+ for (SrcY = SourceY, DstY = DestinationY; DstY < (Height + DestinationY); SrcY++, DstY++) {
+ Blt = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) (BltUint8 + DstY * Delta + DestinationX * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
+ //
+ // Shuffle the packed bytes in the hardware buffer to match EFI_GRAPHICS_OUTPUT_BLT_PIXEL
+ //
+ VbeBuffer = ((UINT8 *) VbeFrameBuffer + (SrcY * BytesPerScanLine + SourceX * VbePixelWidth));
+ for (DstX = DestinationX; DstX < (Width + DestinationX); DstX++) {
+ Pixel = *(UINT32 *) (VbeBuffer);
+ Blt->Red = (UINT8) ((Pixel >> Mode->Red.Position) & Mode->Red.Mask);
+ Blt->Blue = (UINT8) ((Pixel >> Mode->Blue.Position) & Mode->Blue.Mask);
+ Blt->Green = (UINT8) ((Pixel >> Mode->Green.Position) & Mode->Green.Mask);
+ Blt->Reserved = 0;
+ Blt++;
+ VbeBuffer += VbePixelWidth;
+ }
+
+ }
+ break;
+
+ case EfiBltVideoToVideo:
+ for (Index = 0; Index < Height; Index++) {
+ if (DestinationY <= SourceY) {
+ SrcY = SourceY + Index;
+ DstY = DestinationY + Index;
+ } else {
+ SrcY = SourceY + Height - Index - 1;
+ DstY = DestinationY + Height - Index - 1;
+ }
+
+ VbeBuffer = ((UINT8 *) VbeFrameBuffer + DstY * BytesPerScanLine + DestinationX * VbePixelWidth);
+ VbeBuffer1 = ((UINT8 *) VbeFrameBuffer + SrcY * BytesPerScanLine + SourceX * VbePixelWidth);
+
+ gBS->CopyMem (
+ VbeBuffer,
+ VbeBuffer1,
+ Width * VbePixelWidth
+ );
+
+ if (VbePixelWidth == 4) {
+//*** AMI PORTING BEGIN ***//
+// Replace PciIo.Mem with CopyMem to optimize performance
+/*
+ PciIo->Mem.Write (
+ PciIo,
+ EfiPciIoWidthUint32,
+ EFI_PCI_IO_PASS_THROUGH_BAR,
+ (UINT64) ((UINTN) MemAddress + (DstY * BytesPerScanLine) + DestinationX * VbePixelWidth),
+ Width,
+ VbeBuffer
+ );
+*/
+ gBS->CopyMem ((UINT8*)MemAddress + (DstY * BytesPerScanLine) + DestinationX * VbePixelWidth,
+ (UINT8*)VbeBuffer,
+ Width * VbePixelWidth);
+//*** AMI PORTING END *****//
+ } else {
+//*** AMI PORTING BEGIN ***//
+// Replace PciIo.Mem with CopyMem to optimize performance
+/*
+ PciIo->Mem.Write (
+ PciIo,
+ EfiPciIoWidthUint8,
+ EFI_PCI_IO_PASS_THROUGH_BAR,
+ (UINT64) ((UINTN) MemAddress + (DstY * BytesPerScanLine) + DestinationX * VbePixelWidth),
+ Width * VbePixelWidth,
+ VbeBuffer
+ );
+*/
+ gBS->CopyMem ((UINT8*)MemAddress + (DstY * BytesPerScanLine) + DestinationX * VbePixelWidth,
+ (UINT8*)VbeBuffer,
+ Width * VbePixelWidth);
+ }
+//*** AMI PORTING END *****//
+ }
+ break;
+
+ case EfiBltVideoFill:
+ VbeBuffer = (UINT8 *) ((UINTN) VbeFrameBuffer + (DestinationY * BytesPerScanLine) + DestinationX * VbePixelWidth);
+ Blt = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) BltUint8;
+ //
+ // Shuffle the RGB fields in EFI_GRAPHICS_OUTPUT_BLT_PIXEL to match the hardware buffer
+ //
+ Pixel = ((Blt->Red & Mode->Red.Mask) << Mode->Red.Position) |
+ (
+ (Blt->Green & Mode->Green.Mask) <<
+ Mode->Green.Position
+ ) |
+ ((Blt->Blue & Mode->Blue.Mask) << Mode->Blue.Position);
+
+ for (Index = 0; Index < Width; Index++) {
+ gBS->CopyMem (
+ VbeBuffer,
+ &Pixel,
+ VbePixelWidth
+ );
+ VbeBuffer += VbePixelWidth;
+ }
+
+ VbeBuffer = (UINT8 *) ((UINTN) VbeFrameBuffer + (DestinationY * BytesPerScanLine) + DestinationX * VbePixelWidth);
+ for (DstY = DestinationY + 1; DstY < (Height + DestinationY); DstY++) {
+ gBS->CopyMem (
+ (VOID *) ((UINTN) VbeFrameBuffer + (DstY * BytesPerScanLine) + DestinationX * VbePixelWidth),
+ VbeBuffer,
+ Width * VbePixelWidth
+ );
+ }
+
+ for (DstY = DestinationY; DstY < (Height + DestinationY); DstY++) {
+//*** AMI PORTING BEGIN ***//
+// Replace PciIo.Mem with CopyMem to optimize performance
+/*
+ PciIo->Mem.Write (
+ PciIo,
+ EfiPciIoWidthUint8,
+ EFI_PCI_IO_PASS_THROUGH_BAR,
+ (UINT64) ((UINTN) MemAddress + (DstY * BytesPerScanLine) + DestinationX * VbePixelWidth),
+ Width * VbePixelWidth,
+ VbeBuffer
+ );
+*/
+ gBS->CopyMem ((UINT8*)MemAddress + (DstY * BytesPerScanLine) + DestinationX * VbePixelWidth,
+ (UINT8*)VbeBuffer,
+ Width * VbePixelWidth);
+//*** AMI PORTING END *****//
+ }
+ break;
+
+ case EfiBltBufferToVideo:
+//*** AMI PORTING BEGIN ***//
+//The original BLT loop is replaced to optimize performance by:
+// replacing PciIo->Mem.Write with CopyMem and
+// replacing multiplication with addition
+/*
+ for (SrcY = SourceY, DstY = DestinationY; SrcY < (Height + SourceY); SrcY++, DstY++) {
+ Blt = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) (BltUint8 + (SrcY * Delta) + (SourceX) * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
+ VbeBuffer = ((UINT8 *) VbeFrameBuffer + (DstY * BytesPerScanLine + DestinationX * VbePixelWidth));
+ for (DstX = DestinationX; DstX < (Width + DestinationX); DstX++) {
+ //
+ // Shuffle the RGB fields in EFI_GRAPHICS_OUTPUT_BLT_PIXEL to match the hardware buffer
+ //
+ Pixel = ((Blt->Red & Mode->Red.Mask) << Mode->Red.Position) |
+ ((Blt->Green & Mode->Green.Mask) << Mode->Green.Position) |
+ ((Blt->Blue & Mode->Blue.Mask) << Mode->Blue.Position);
+ gBS->CopyMem (
+ VbeBuffer,
+ &Pixel,
+ VbePixelWidth
+ );
+ Blt++;
+ VbeBuffer += VbePixelWidth;
+ }
+
+ VbeBuffer = ((UINT8 *) VbeFrameBuffer + (DstY * BytesPerScanLine + DestinationX * VbePixelWidth));
+ PciIo->Mem.Write (
+ PciIo,
+ EfiPciIoWidthUint8,
+ EFI_PCI_IO_PASS_THROUGH_BAR,
+ (UINT64) ((UINTN) MemAddress + (DstY * BytesPerScanLine) + DestinationX * VbePixelWidth),
+ Width * VbePixelWidth,
+ VbeBuffer
+ );
+ }
+*/
+{
+ UINTN VbeBufferOffset = DestinationY * BytesPerScanLine + DestinationX * VbePixelWidth;
+ UINT8* BltBufferAddress = BltUint8 + SourceY * Delta + SourceX * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);
+ UINTN VbeLineWidth = VbePixelWidth*Width;
+ UINTN BufferOffset = VbeBufferOffset;
+
+ for (SrcY = SourceY; SrcY < (Height + SourceY); SrcY++) {
+
+ VbeBuffer = (UINT8 *) VbeFrameBuffer + BufferOffset;
+
+ if (Mode->PixelFormat != PixelBlueGreenRedReserved8BitPerColor){
+ Blt = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)BltBufferAddress;
+ for (DstX = DestinationX; DstX < (Width + DestinationX); DstX++) {
+ //
+ // Shuffle the RGB fields in EFI_GRAPHICS_OUTPUT_BLT_PIXEL to match the hardware buffer
+ //
+ Pixel = ((Blt->Red & Mode->Red.Mask) << Mode->Red.Position) |
+ ((Blt->Green & Mode->Green.Mask) << Mode->Green.Position) |
+ ((Blt->Blue & Mode->Blue.Mask) << Mode->Blue.Position);
+ gBS->CopyMem (
+ VbeBuffer,
+ &Pixel,
+ VbePixelWidth
+ );
+ Blt++;
+ VbeBuffer += VbePixelWidth;
+ }
+ VbeBuffer = (UINT8 *) VbeFrameBuffer + BufferOffset;
+ }else{
+ gBS->CopyMem (VbeBuffer, BltBufferAddress, VbeLineWidth);
+ }
+ BufferOffset += BytesPerScanLine;
+ BltBufferAddress += Delta;
+ }
+ BufferOffset = VbeBufferOffset;
+ for (SrcY = SourceY; SrcY < (Height + SourceY); SrcY++) {
+ gBS->CopyMem ((UINT8*)MemAddress + BufferOffset,
+ (UINT8 *)VbeFrameBuffer + BufferOffset,
+ VbeLineWidth);
+ BufferOffset += BytesPerScanLine;
+ }
+}
+//*** AMI PORTING END *****//
+ break;
+ }
+
+ gBS->RestoreTPL (OriginalTPL);
+
+ return EFI_SUCCESS;
+}
+//*** AMI PORTING BEGIN ***//
+#endif //if INT10_VESA_GO_SUPPORT==1
+//*** AMI PORTING END *****//
+//*** AMI PORTING BEGIN ***//
+#if INT10_VGA_GO_SUPPORT==1
+//*** AMI PORTING END *****//
+STATIC
+VOID
+WriteGraphicsController (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINTN Address,
+ IN UINTN Data
+ )
+/*++
+
+Routine Description:
+
+ Write graphics controller registers
+
+Arguments:
+
+ PciIo - Pointer to PciIo protocol instance of the controller
+ Address - Register address
+ Data - Data to be written to register
+
+Returns:
+
+ None
+
+--*/
+{
+ Address = Address | (Data << 8);
+ PciIo->Io.Write (
+ PciIo,
+ EfiPciIoWidthUint16,
+ EFI_PCI_IO_PASS_THROUGH_BAR,
+ VGA_GRAPHICS_CONTROLLER_ADDRESS_REGISTER,
+ 1,
+ &Address
+ );
+}
+
+VOID
+VgaReadBitPlanes (
+ EFI_PCI_IO_PROTOCOL *PciIo,
+ UINT8 *HardwareBuffer,
+ UINT8 *MemoryBuffer,
+ UINTN WidthInBytes,
+ UINTN Height
+ )
+/*++
+
+Routine Description:
+
+ Read the four bit plane of VGA frame buffer
+
+Arguments:
+
+ PciIo - Pointer to PciIo protocol instance of the controller
+ HardwareBuffer - Hardware VGA frame buffer address
+ MemoryBuffer - Memory buffer address
+ WidthInBytes - Number of bytes in a line to read
+ Height - Height of the area to read
+
+Returns:
+
+ None
+
+--*/
+{
+ UINTN BitPlane;
+ UINTN Rows;
+ UINTN FrameBufferOffset;
+ UINT8 *Source;
+ UINT8 *Destination;
+
+ //
+ // Program the Mode Register Write mode 0, Read mode 0
+ //
+ WriteGraphicsController (
+ PciIo,
+ VGA_GRAPHICS_CONTROLLER_MODE_REGISTER,
+ VGA_GRAPHICS_CONTROLLER_READ_MODE_0 | VGA_GRAPHICS_CONTROLLER_WRITE_MODE_0
+ );
+
+ for (BitPlane = 0, FrameBufferOffset = 0;
+ BitPlane < VGA_NUMBER_OF_BIT_PLANES;
+ BitPlane++, FrameBufferOffset += VGA_BYTES_PER_BIT_PLANE
+ ) {
+ //
+ // Program the Read Map Select Register to select the correct bit plane
+ //
+ WriteGraphicsController (
+ PciIo,
+ VGA_GRAPHICS_CONTROLLER_READ_MAP_SELECT_REGISTER,
+ BitPlane
+ );
+
+ Source = HardwareBuffer;
+ Destination = MemoryBuffer + FrameBufferOffset;
+
+ for (Rows = 0; Rows < Height; Rows++, Source += VGA_BYTES_PER_SCAN_LINE, Destination += VGA_BYTES_PER_SCAN_LINE) {
+//*** AMI PORTING BEGIN ***//
+// Replace PciIo.Mem with CopyMem to optimize performance
+/*
+ PciIo->Mem.Read (
+ PciIo,
+ EfiPciIoWidthUint8,
+ EFI_PCI_IO_PASS_THROUGH_BAR,
+ (UINT64) Source,
+ WidthInBytes,
+ (VOID *) Destination
+ );
+*/
+ gBS->CopyMem ((UINT8*)Source,
+ (UINT8*)Destination,
+ WidthInBytes);
+//*** AMI PORTING END *****//
+ }
+ }
+}
+
+VOID
+VgaConvertToGraphicsOutputColor (
+ UINT8 *MemoryBuffer,
+ UINTN X,
+ UINTN Y,
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer
+ )
+/*++
+
+Routine Description:
+
+ Internal routine to convert VGA color to Grahpics Output color
+
+Arguments:
+
+ MemoryBuffer - Buffer containing VGA color
+ X - The X coordinate of pixel on screen
+ Y - The Y coordinate of pixel on screen
+ BltBuffer - Buffer to contain converted Grahpics Output color
+
+Returns:
+
+ None
+
+--*/
+{
+ UINTN Mask;
+ UINTN Bit;
+ UINTN Color;
+
+ MemoryBuffer += ((Y << 6) + (Y << 4) + (X >> 3));
+ Mask = mVgaBitMaskTable[X & 0x07];
+ for (Bit = 0x01, Color = 0; Bit < 0x10; Bit <<= 1, MemoryBuffer += VGA_BYTES_PER_BIT_PLANE) {
+ if (*MemoryBuffer & Mask) {
+ Color |= Bit;
+ }
+ }
+
+ *BltBuffer = mVgaColorToGraphicsOutputColor[Color];
+}
+
+UINT8
+VgaConvertColor (
+ IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer
+ )
+/*++
+
+Routine Description:
+
+ Internal routine to convert Grahpics Output color to VGA color
+
+Arguments:
+
+ BltBuffer - buffer containing Grahpics Output color
+
+Returns:
+
+ Converted VGA color
+
+--*/
+{
+ UINT8 Color;
+
+ Color = (UINT8) ((BltBuffer->Blue >> 7) | ((BltBuffer->Green >> 6) & 0x02) | ((BltBuffer->Red >> 5) & 0x04));
+//*** AMI PORTING BEGIN ***//
+// if ((BltBuffer->Red + BltBuffer->Green + BltBuffer->Blue) > 0x180) {
+ if ((BltBuffer->Red >= 0xC0) || (BltBuffer->Blue >= 0xC0) || (BltBuffer->Green >= 0xC0)) {
+ Color |= 0x08;
+ }
+ // Prevent "washing out" of single color
+ if (((BltBuffer->Red >= 0xC0) && (BltBuffer->Blue == 0) && (BltBuffer->Green == 0)) || \
+ ((BltBuffer->Blue >= 0xC0) && (BltBuffer->Red == 0) && (BltBuffer->Green == 0)) || \
+ ((BltBuffer->Green >= 0xC0) && (BltBuffer->Blue == 0) && (BltBuffer->Red == 0))) {
+ Color &= 0x07;
+ }
+//*** AMI PORTING END ***//
+
+ return Color;
+}
+
+EFI_STATUS
+EFIAPI
+BiosVideoGraphicsOutputVgaBlt (
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
+ IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
+ IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,
+ IN UINTN SourceX,
+ IN UINTN SourceY,
+ IN UINTN DestinationX,
+ IN UINTN DestinationY,
+ IN UINTN Width,
+ IN UINTN Height,
+ IN UINTN Delta
+ )
+/*++
+
+Routine Description:
+
+ Grahpics Output protocol instance to block transfer for VGA device
+
+Arguments:
+
+ This - Pointer to Grahpics Output protocol instance
+ BltBuffer - The data to transfer to screen
+ BltOperation - The operation to perform
+ SourceX - The X coordinate of the source for BltOperation
+ SourceY - The Y coordinate of the source for BltOperation
+ DestinationX - The X coordinate of the destination for BltOperation
+ DestinationY - The Y coordinate of the destination for BltOperation
+ Width - The width of a rectangle in the blt rectangle in pixels
+ Height - The height of a rectangle in the blt rectangle in pixels
+ Delta - Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.
+ If a Delta of 0 is used, the entire BltBuffer will be operated on.
+ If a subrectangle of the BltBuffer is used, then Delta represents
+ the number of bytes in a row of the BltBuffer.
+
+Returns:
+
+ EFI_INVALID_PARAMETER - Invalid parameter passed in
+ EFI_SUCCESS - Blt operation success
+
+--*/
+{
+ BIOS_VIDEO_DEV *BiosVideoPrivate;
+ EFI_TPL OriginalTPL;
+ UINT8 *MemAddress;
+ UINTN BytesPerScanLine;
+ UINTN BytesPerBitPlane;
+ UINTN Bit;
+ UINTN Index;
+ UINTN Index1;
+ UINTN StartAddress;
+ UINTN Bytes;
+ UINTN Offset;
+ UINT8 LeftMask;
+ UINT8 RightMask;
+ UINTN Address;
+ UINTN AddressFix;
+ UINT8 *Address1;
+ UINT8 *SourceAddress;
+ UINT8 *DestinationAddress;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ UINT8 Data;
+ UINT8 PixelColor;
+ UINT8 *VgaFrameBuffer;
+ UINTN SourceOffset;
+ UINTN SourceWidth;
+ UINTN Rows;
+ UINTN Columns;
+ UINTN X;
+ UINTN Y;
+ UINTN CurrentMode;
+
+ BiosVideoPrivate = BIOS_VIDEO_DEV_FROM_GRAPHICS_OUTPUT_THIS (This);
+
+//*** AMI PORTING BEGIN ***//
+// Workaround for EIP 35682.
+// Allocate memory buffers during the first call of the funciton.
+// See comments above AllocateTheBuffers function for additional details.
+ if (BiosVideoPrivate->LineBuffer==NULL){
+ EFI_STATUS Status = AllocateTheBuffers(BiosVideoPrivate);
+ if (EFI_ERROR(Status)) return Status;
+ }
+//*** AMI PORTING END *****//
+
+ CurrentMode = This->Mode->Mode;
+ PciIo = BiosVideoPrivate->PciIo;
+ MemAddress = BiosVideoPrivate->ModeData[CurrentMode].LinearFrameBuffer;
+ BytesPerScanLine = BiosVideoPrivate->ModeData[CurrentMode].BytesPerScanLine >> 3;
+ BytesPerBitPlane = BytesPerScanLine * BiosVideoPrivate->ModeData[CurrentMode].VerticalResolution;
+ VgaFrameBuffer = BiosVideoPrivate->VgaFrameBuffer;
+
+ if (This == NULL || ((UINTN) BltOperation) >= EfiGraphicsOutputBltOperationMax) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (Width == 0 || Height == 0) {
+ return EFI_INVALID_PARAMETER;
+ }
+ //
+ // We need to fill the Virtual Screen buffer with the blt data.
+ // The virtual screen is upside down, as the first row is the bootom row of
+ // the image.
+ //
+ if (BltOperation == EfiBltVideoToBltBuffer) {
+ //
+ // Video to BltBuffer: Source is Video, destination is BltBuffer
+ //
+ if (SourceY + Height > BiosVideoPrivate->ModeData[CurrentMode].VerticalResolution) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (SourceX + Width > BiosVideoPrivate->ModeData[CurrentMode].HorizontalResolution) {
+ return EFI_INVALID_PARAMETER;
+ }
+ } else {
+ //
+ // BltBuffer to Video: Source is BltBuffer, destination is Video
+ //
+ if (DestinationY + Height > BiosVideoPrivate->ModeData[CurrentMode].VerticalResolution) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (DestinationX + Width > BiosVideoPrivate->ModeData[CurrentMode].HorizontalResolution) {
+ return EFI_INVALID_PARAMETER;
+ }
+ }
+ //
+ // If Delta is zero, then the entire BltBuffer is being used, so Delta
+ // is the number of bytes in each row of BltBuffer. Since BltBuffer is Width pixels size,
+ // the number of bytes in each row can be computed.
+ //
+ if (Delta == 0) {
+ Delta = Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);
+ }
+ //
+ // We have to raise to TPL Notify, so we make an atomic write the frame buffer.
+ // We would not want a timer based event (Cursor, ...) to come in while we are
+ // doing this operation.
+ //
+ OriginalTPL = gBS->RaiseTPL (EFI_TPL_NOTIFY);
+
+ //
+ // Compute some values we need for VGA
+ //
+ switch (BltOperation) {
+ case EfiBltVideoToBltBuffer:
+
+ SourceOffset = (SourceY << 6) + (SourceY << 4) + (SourceX >> 3);
+ SourceWidth = ((SourceX + Width - 1) >> 3) - (SourceX >> 3) + 1;
+
+ //
+ // Read all the pixels in the 4 bit planes into a memory buffer that looks like the VGA buffer
+ //
+ VgaReadBitPlanes (
+ PciIo,
+ MemAddress + SourceOffset,
+ VgaFrameBuffer + SourceOffset,
+ SourceWidth,
+ Height
+ );
+
+ //
+ // Convert VGA Bit Planes to a Graphics Output 32-bit color value
+ //
+ BltBuffer += (DestinationY * (Delta >> 2) + DestinationX);
+ for (Rows = 0, Y = SourceY; Rows < Height; Rows++, Y++, BltBuffer += (Delta >> 2)) {
+ for (Columns = 0, X = SourceX; Columns < Width; Columns++, X++, BltBuffer++) {
+ VgaConvertToGraphicsOutputColor (VgaFrameBuffer, X, Y, BltBuffer);
+ }
+
+ BltBuffer -= Width;
+ }
+
+ break;
+
+ case EfiBltVideoToVideo:
+ //
+ // Check for an aligned Video to Video operation
+ //
+ if ((SourceX & 0x07) == 0x00 && (DestinationX & 0x07) == 0x00 && (Width & 0x07) == 0x00) {
+ //
+ // Program the Mode Register Write mode 1, Read mode 0
+ //
+ WriteGraphicsController (
+ PciIo,
+ VGA_GRAPHICS_CONTROLLER_MODE_REGISTER,
+ VGA_GRAPHICS_CONTROLLER_READ_MODE_0 | VGA_GRAPHICS_CONTROLLER_WRITE_MODE_1
+ );
+
+ SourceAddress = (UINT8 *) (MemAddress + (SourceY << 6) + (SourceY << 4) + (SourceX >> 3));
+ DestinationAddress = (UINT8 *) (MemAddress + (DestinationY << 6) + (DestinationY << 4) + (DestinationX >> 3));
+ Bytes = Width >> 3;
+ for (Index = 0, Offset = 0; Index < Height; Index++, Offset += BytesPerScanLine) {
+ PciIo->CopyMem (
+ PciIo,
+ EfiPciIoWidthUint8,
+ EFI_PCI_IO_PASS_THROUGH_BAR,
+ (UINT64) (DestinationAddress + Offset),
+ EFI_PCI_IO_PASS_THROUGH_BAR,
+ (UINT64) (SourceAddress + Offset),
+ Bytes
+ );
+ }
+ } else {
+ SourceOffset = (SourceY << 6) + (SourceY << 4) + (SourceX >> 3);
+ SourceWidth = ((SourceX + Width - 1) >> 3) - (SourceX >> 3) + 1;
+
+ //
+ // Read all the pixels in the 4 bit planes into a memory buffer that looks like the VGA buffer
+ //
+ VgaReadBitPlanes (
+ PciIo,
+ MemAddress + SourceOffset,
+ VgaFrameBuffer + SourceOffset,
+ SourceWidth,
+ Height
+ );
+ }
+
+ break;
+
+ case EfiBltVideoFill:
+ StartAddress = (UINTN) (MemAddress + (DestinationY << 6) + (DestinationY << 4) + (DestinationX >> 3));
+ Bytes = ((DestinationX + Width - 1) >> 3) - (DestinationX >> 3);
+ LeftMask = mVgaLeftMaskTable[DestinationX & 0x07];
+ RightMask = mVgaRightMaskTable[(DestinationX + Width - 1) & 0x07];
+ if (Bytes == 0) {
+ LeftMask &= RightMask;
+ RightMask = 0;
+ }
+
+ if (LeftMask == 0xff) {
+ StartAddress--;
+ Bytes++;
+ LeftMask = 0;
+ }
+
+ if (RightMask == 0xff) {
+ Bytes++;
+ RightMask = 0;
+ }
+
+ PixelColor = VgaConvertColor (BltBuffer);
+
+ //
+ // Program the Mode Register Write mode 2, Read mode 0
+ //
+ WriteGraphicsController (
+ PciIo,
+ VGA_GRAPHICS_CONTROLLER_MODE_REGISTER,
+ VGA_GRAPHICS_CONTROLLER_READ_MODE_0 | VGA_GRAPHICS_CONTROLLER_WRITE_MODE_2
+ );
+
+ //
+ // Program the Data Rotate/Function Select Register to replace
+ //
+ WriteGraphicsController (
+ PciIo,
+ VGA_GRAPHICS_CONTROLLER_DATA_ROTATE_REGISTER,
+ VGA_GRAPHICS_CONTROLLER_FUNCTION_REPLACE
+ );
+
+ if (LeftMask != 0) {
+ //
+ // Program the BitMask register with the Left column mask
+ //
+ WriteGraphicsController (
+ PciIo,
+ VGA_GRAPHICS_CONTROLLER_BIT_MASK_REGISTER,
+ LeftMask
+ );
+
+ for (Index = 0, Address = StartAddress; Index < Height; Index++, Address += BytesPerScanLine) {
+ //
+ // Read data from the bit planes into the latches
+ //
+//*** AMI PORTING BEGIN ***//
+// Replace PciIo.Mem with direct memory access to optimize performance
+/*
+ PciIo->Mem.Read (
+ PciIo,
+ EfiPciIoWidthUint8,
+ EFI_PCI_IO_PASS_THROUGH_BAR,
+ (UINT64) Address,
+ 1,
+ &Data
+ );
+*/
+ Data = *(volatile UINT8*)(UINTN)Address;
+//*** AMI PORTING END *****//
+ //
+ // Write the lower 4 bits of PixelColor to the bit planes in the pixels enabled by BitMask
+ //
+//*** AMI PORTING BEGIN ***//
+// Replace PciIo.Mem with direct memory access to optimize performance
+/*
+ PciIo->Mem.Write (
+ PciIo,
+ EfiPciIoWidthUint8,
+ EFI_PCI_IO_PASS_THROUGH_BAR,
+ (UINT64) Address,
+ 1,
+ &PixelColor
+ );
+*/
+ *(volatile UINT8*)(UINTN)Address = PixelColor;
+//*** AMI PORTING END *****//
+ }
+ }
+
+ if (Bytes > 1) {
+ //
+ // Program the BitMask register with the middle column mask of 0xff
+ //
+ WriteGraphicsController (
+ PciIo,
+ VGA_GRAPHICS_CONTROLLER_BIT_MASK_REGISTER,
+ 0xff
+ );
+
+ for (Index = 0, Address = StartAddress + 1; Index < Height; Index++, Address += BytesPerScanLine) {
+//*** AMI PORTING BEGIN ***//
+// Replace PciIo.Mem with SetMem to optimize performance
+/*
+ PciIo->Mem.Write (
+ PciIo,
+ EfiPciIoWidthFillUint8,
+ EFI_PCI_IO_PASS_THROUGH_BAR,
+ (UINT64) Address,
+ Bytes - 1,
+ &PixelColor
+ );
+*/
+ gBS->SetMem((VOID*)Address, Bytes - 1, PixelColor);
+//*** AMI PORTING END ***//
+ }
+ }
+
+ if (RightMask != 0) {
+ //
+ // Program the BitMask register with the Right column mask
+ //
+ WriteGraphicsController (
+ PciIo,
+ VGA_GRAPHICS_CONTROLLER_BIT_MASK_REGISTER,
+ RightMask
+ );
+
+ for (Index = 0, Address = StartAddress + Bytes; Index < Height; Index++, Address += BytesPerScanLine) {
+ //
+ // Read data from the bit planes into the latches
+ //
+//*** AMI PORTING BEGIN ***//
+// Replace PciIo.Mem with direct memory access to optimize performance
+/*
+ PciIo->Mem.Read (
+ PciIo,
+ EfiPciIoWidthUint8,
+ EFI_PCI_IO_PASS_THROUGH_BAR,
+ (UINT64) Address,
+ 1,
+ &Data
+ );
+*/
+ Data = *(volatile UINT8*)(UINTN)Address;
+//*** AMI PORTING END *****//
+ //
+ // Write the lower 4 bits of PixelColor to the bit planes in the pixels enabled by BitMask
+ //
+//*** AMI PORTING BEGIN ***//
+// Replace PciIo.Mem with direct memory access to optimize performance
+/*
+ PciIo->Mem.Write (
+ PciIo,
+ EfiPciIoWidthUint8,
+ EFI_PCI_IO_PASS_THROUGH_BAR,
+ (UINT64) Address,
+ 1,
+ &PixelColor
+ );
+*/
+ *(volatile UINT8*)(UINTN)Address = PixelColor;
+//*** AMI PORTING END *****//
+ }
+ }
+ break;
+
+ case EfiBltBufferToVideo:
+ StartAddress = (UINTN) (MemAddress + (DestinationY << 6) + (DestinationY << 4) + (DestinationX >> 3));
+ LeftMask = mVgaBitMaskTable[DestinationX & 0x07];
+
+ //
+ // Program the Mode Register Write mode 2, Read mode 0
+ //
+ WriteGraphicsController (
+ PciIo,
+ VGA_GRAPHICS_CONTROLLER_MODE_REGISTER,
+ VGA_GRAPHICS_CONTROLLER_READ_MODE_0 | VGA_GRAPHICS_CONTROLLER_WRITE_MODE_2
+ );
+
+ //
+ // Program the Data Rotate/Function Select Register to replace
+ //
+ WriteGraphicsController (
+ PciIo,
+ VGA_GRAPHICS_CONTROLLER_DATA_ROTATE_REGISTER,
+ VGA_GRAPHICS_CONTROLLER_FUNCTION_REPLACE
+ );
+
+ for (Index = 0, Address = StartAddress; Index < Height; Index++, Address += BytesPerScanLine) {
+ for (Index1 = 0; Index1 < Width; Index1++) {
+ BiosVideoPrivate->LineBuffer[Index1] = VgaConvertColor (&BltBuffer[(SourceY + Index) * (Delta >> 2) + SourceX + Index1]);
+ }
+ AddressFix = Address;
+
+ for (Bit = 0; Bit < 8; Bit++) {
+ //
+ // Program the BitMask register with the Left column mask
+ //
+ WriteGraphicsController (
+ PciIo,
+ VGA_GRAPHICS_CONTROLLER_BIT_MASK_REGISTER,
+ LeftMask
+ );
+
+ for (Index1 = Bit, Address1 = (UINT8 *) AddressFix; Index1 < Width; Index1 += 8, Address1++) {
+ //
+ // Read data from the bit planes into the latches
+ //
+//*** AMI PORTING BEGIN ***//
+// Replace PciIo.Mem with direct memory access to optimize performance
+/*
+ PciIo->Mem.Read (
+ PciIo,
+ EfiPciIoWidthUint8,
+ EFI_PCI_IO_PASS_THROUGH_BAR,
+ (UINT64) Address1,
+ 1,
+ &Data
+ );
+*/
+ Data = *(volatile UINT8*)(UINTN)Address1;
+
+/*
+ PciIo->Mem.Write (
+ PciIo,
+ EfiPciIoWidthUint8,
+ EFI_PCI_IO_PASS_THROUGH_BAR,
+ (UINT64) Address1,
+ 1,
+ &BiosVideoPrivate->LineBuffer[Index1]
+ );
+*/
+ *(volatile UINT8*)(UINTN)Address1 = BiosVideoPrivate->LineBuffer[Index1];
+//*** AMI PORTING END *****//
+ }
+
+ LeftMask = (UINT8) (LeftMask >> 1);
+ if (LeftMask == 0) {
+ LeftMask = 0x80;
+ AddressFix++;
+ }
+ }
+ }
+
+ break;
+ }
+
+ gBS->RestoreTPL (OriginalTPL);
+
+ return EFI_SUCCESS;
+}
+//*** AMI PORTING BEGIN ***//
+#endif //if INT10_VGA_GO_SUPPORT==1
+//*** AMI PORTING END *****//
+//*** AMI PORTING BEGIN ***//
+#if INT10_SIMPLE_TEXT_SUPPORT==1
+//*** AMI PORTING END *****//
+//
+// VGA Mini Port Protocol Functions
+//
+EFI_STATUS
+EFIAPI
+BiosVideoVgaMiniPortSetMode (
+ IN EFI_VGA_MINI_PORT_PROTOCOL *This,
+ IN UINTN ModeNumber
+ )
+/*++
+
+Routine Description:
+
+ VgaMiniPort protocol interface to set mode
+
+Arguments:
+
+ This - Pointer to VgaMiniPort protocol instance
+ ModeNumber - The index of the mode
+
+Returns:
+
+ EFI_UNSUPPORTED - The requested mode is not supported
+ EFI_SUCCESS - The requested mode is set successfully
+
+--*/
+{
+ BIOS_VIDEO_DEV *BiosVideoPrivate;
+ EFI_IA32_REGISTER_SET Regs;
+
+ if (This == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // Make sure the ModeNumber is a valid value
+ //
+ if (ModeNumber >= This->MaxMode) {
+ return EFI_UNSUPPORTED;
+ }
+ //
+ // Get the device structure for this device
+ //
+ BiosVideoPrivate = BIOS_VIDEO_DEV_FROM_VGA_MINI_PORT_THIS (This);
+
+ switch (ModeNumber) {
+ case 0:
+ //
+ // Set the 80x25 Text VGA Mode
+ //
+ Regs.H.AH = 0x00;
+ Regs.H.AL = 0x83;
+ BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);
+
+ Regs.H.AH = 0x11;
+ Regs.H.AL = 0x14;
+ Regs.H.BL = 0;
+ BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);
+ break;
+
+ case 1:
+ //
+ // Set the 80x50 Text VGA Mode
+ //
+ Regs.H.AH = 0x00;
+ Regs.H.AL = 0x83;
+ BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);
+ Regs.H.AH = 0x11;
+ Regs.H.AL = 0x12;
+ Regs.H.BL = 0;
+ BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);
+ break;
+
+ default:
+ return EFI_UNSUPPORTED;
+ }
+
+ return EFI_SUCCESS;
+}
+//*** AMI PORTING BEGIN ***//
+#endif //if INT10_SIMPLE_TEXT_SUPPORT==1
+//*** AMI PORTING END *****//
+//**********************************************************************
+//**********************************************************************
+//** **
+//** (C)Copyright 1985-2014, American Megatrends, Inc. **
+//** **
+//** All Rights Reserved. **
+//** **
+//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 **
+//** **
+//** Phone: (770)-246-8600 **
+//** **
+//**********************************************************************
+//**********************************************************************
diff --git a/Core/EM/CSM/thunk/CsmVideo/UefiBiosVideo.h b/Core/EM/CSM/thunk/CsmVideo/UefiBiosVideo.h
new file mode 100644
index 0000000..9421b5e
--- /dev/null
+++ b/Core/EM/CSM/thunk/CsmVideo/UefiBiosVideo.h
@@ -0,0 +1,597 @@
+//**********************************************************************
+//**********************************************************************
+//** **
+//** (C)Copyright 1985-2013, American Megatrends, Inc. **
+//** **
+//** All Rights Reserved. **
+//** **
+//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 **
+//** **
+//** Phone: (770)-246-8600 **
+//** **
+//**********************************************************************
+//**********************************************************************
+
+//
+// This file contains a 'Sample Driver' and is licensed as such
+// under the terms of your license agreement with Intel or your
+// vendor. This file may be modified by the user, subject to
+// the additional terms of the license agreement
+//
+/*++
+
+Copyright (c) 2006 Intel Corporation. All rights reserved
+This software and associated documentation (if any) is furnished
+under a license and may only be used or copied in accordance
+with the terms of the license. Except as permitted by such
+license, no part of this software or documentation may be
+reproduced, stored in a retrieval system, or transmitted in any
+form or by any means without the express written consent of
+Intel Corporation.
+
+Module Name:
+
+ UefiBiosVideo.h
+
+Abstract:
+
+Revision History
+--*/
+
+#ifndef _BIOS_GRAPHICS_OUTPUT_H
+#define _BIOS_GRAPHICS_OUTPUT_H
+
+//*** AMI PORTING BEGIN ***//
+#include "AmiMapping.h"
+#include "EdkIICommon.h"
+//#include "Tiano.h"
+//#include "EfiDriverLib.h"
+#include <Protocol/CsmVideoPolicy.h>
+//*** AMI PORTING END *****//
+#include "VesaBiosExtensions.h"
+#include "Pci22.h"
+
+//
+// Driver Consumed Protocol Prototypes
+//
+#include EFI_PROTOCOL_DEFINITION (DevicePath)
+#include EFI_PROTOCOL_DEFINITION (PciIo)
+#include EFI_PROTOCOL_DEFINITION (LegacyBios)
+//*** AMI PORTING BEGIN ***//
+//AMI CSM Core does not need this GUID
+//#include EFI_GUID_DEFINITION (LegacyBios)
+//*** AMI PORTING END *****//
+//*** AMI PORTING BEGIN ***//
+//#include EFI_GUID_DEFINITION (StatusCodeCallerId)
+//#include EFI_GUID_DEFINITION (StatusCodeDataTypeId)
+//*** AMI PORTING END *****//
+
+//
+// Driver Produced Protocol Prototypes
+//
+#include EFI_PROTOCOL_DEFINITION (DriverBinding)
+#include EFI_PROTOCOL_DEFINITION (ComponentName)
+#include EFI_PROTOCOL_DEFINITION (GraphicsOutput)
+#include EFI_PROTOCOL_DEFINITION (EdidDiscovered)
+#include EFI_PROTOCOL_DEFINITION (EdidActive)
+
+//*** AMI PORTING BEGIN ***//
+//#include EFI_PROTOCOL_DEFINITION (VgaMiniPort)
+#include "VgaMiniPort.h"
+
+// uncomment the following lind and remove the following block when Protocol/EdidOverride.h is available
+//#include EFI_PROTOCOL_DEFINITION (EdidOverride)
+#define EFI_EDID_OVERRIDE_PROTOCOL_GUID \
+ { 0x48ecb431, 0xfb72, 0x45c0, 0xa9, 0x22, 0xf4, 0x58, 0xfe, 0x4, 0xb, 0xd5 }
+
+#define EFI_EDID_OVERRIDE_DONT_OVERRIDE 0x01
+#define EFI_EDID_OVERRIDE_ENABLE_HOT_PLUG 0x02
+
+typedef struct _EFI_EDID_OVERRIDE_PROTOCOL EFI_EDID_OVERRIDE_PROTOCOL;
+
+typedef EFI_STATUS (EFIAPI *EFI_EDID_OVERRIDE_PROTOCOL_GET_EDID) (
+ IN EFI_EDID_OVERRIDE_PROTOCOL *This,
+ IN EFI_HANDLE *ChildHandle,
+ OUT UINT32 *Attributes,
+ IN OUT UINTN *EdidSize,
+ IN OUT UINT8 **Edid
+ );
+
+struct _EFI_EDID_OVERRIDE_PROTOCOL {
+ EFI_EDID_OVERRIDE_PROTOCOL_GET_EDID GetEdid;
+};
+//*** AMI PORTING END *****//
+
+//
+// Packed format support: The number of bits reserved for each of the colors and the actual
+// position of RGB in the frame buffer is specified in the VBE Mode information
+//
+typedef struct {
+ UINT8 Position; // Position of the color
+ UINT8 Mask; // The number of bits expressed as a mask
+} BIOS_VIDEO_COLOR_PLACEMENT;
+
+//
+// BIOS Graphics Output Graphical Mode Data
+//
+typedef struct {
+ UINT16 VbeModeNumber;
+ UINT16 BytesPerScanLine;
+ VOID *LinearFrameBuffer;
+ UINTN FrameBufferSize;
+ UINT32 HorizontalResolution;
+ UINT32 VerticalResolution;
+ UINT32 RefreshRate;
+ UINT32 BitsPerPixel;
+ BIOS_VIDEO_COLOR_PLACEMENT Red;
+ BIOS_VIDEO_COLOR_PLACEMENT Green;
+ BIOS_VIDEO_COLOR_PLACEMENT Blue;
+ BIOS_VIDEO_COLOR_PLACEMENT Reserved;
+ EFI_GRAPHICS_PIXEL_FORMAT PixelFormat;
+ EFI_PIXEL_BITMASK PixelBitMask;
+} BIOS_VIDEO_MODE_DATA;
+
+//
+// BIOS video child handle private data Structure
+//
+#define BIOS_VIDEO_DEV_SIGNATURE EFI_SIGNATURE_32 ('B', 'V', 'M', 'p')
+
+typedef struct {
+ UINTN Signature;
+ EFI_HANDLE Handle;
+
+ //
+ // Consumed Protocols
+ //
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
+
+ //
+ // Produced Protocols
+ //
+ EFI_GRAPHICS_OUTPUT_PROTOCOL GraphicsOutput;
+ EFI_EDID_DISCOVERED_PROTOCOL EdidDiscovered;
+ EFI_EDID_ACTIVE_PROTOCOL EdidActive;
+ EFI_VGA_MINI_PORT_PROTOCOL VgaMiniPort;
+
+ //
+ // General fields
+ //
+ BOOLEAN VgaCompatible;
+ BOOLEAN ProduceGraphicsOutput;
+//*** AMI PORTING BEGIN ***//
+// ExitBootServicesEvent is not used
+// EFI_EVENT ExitBootServicesEvent;
+//*** AMI PORTING END *****//
+
+ //
+ // Graphics Output Protocol related fields
+ //
+ BOOLEAN HardwareNeedsStarting;
+ BIOS_VIDEO_MODE_DATA *ModeData;
+ UINT8 *LineBuffer;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL *VbeFrameBuffer;
+ UINT8 *VgaFrameBuffer;
+
+ //
+ // VESA Bios Extensions related fields
+ //
+ UINTN NumberOfPagesBelow1MB; // Number of 4KB pages in PagesBelow1MB
+ EFI_PHYSICAL_ADDRESS PagesBelow1MB; // Buffer for all VBE Information Blocks
+ VESA_BIOS_EXTENSIONS_INFORMATION_BLOCK *VbeInformationBlock; // 0x200 bytes. Must be allocated below 1MB
+ VESA_BIOS_EXTENSIONS_MODE_INFORMATION_BLOCK *VbeModeInformationBlock; // 0x100 bytes. Must be allocated below 1MB
+ VESA_BIOS_EXTENSIONS_EDID_DATA_BLOCK *VbeEdidDataBlock; // 0x80 bytes. Must be allocated below 1MB
+ VESA_BIOS_EXTENSIONS_CRTC_INFORMATION_BLOCK *VbeCrtcInformationBlock; // 59 bytes. Must be allocated below 1MB
+ UINTN VbeSaveRestorePages; // Number of 4KB pages in VbeSaveRestoreBuffer
+ EFI_PHYSICAL_ADDRESS VbeSaveRestoreBuffer; // Must be allocated below 1MB
+ //
+ // Status code
+ //
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+} BIOS_VIDEO_DEV;
+
+#define BIOS_VIDEO_DEV_FROM_PCI_IO_THIS(a) CR (a, BIOS_VIDEO_DEV, PciIo, BIOS_VIDEO_DEV_SIGNATURE)
+#define BIOS_VIDEO_DEV_FROM_GRAPHICS_OUTPUT_THIS(a) CR (a, BIOS_VIDEO_DEV, GraphicsOutput, BIOS_VIDEO_DEV_SIGNATURE)
+#define BIOS_VIDEO_DEV_FROM_VGA_MINI_PORT_THIS(a) CR (a, BIOS_VIDEO_DEV, VgaMiniPort, BIOS_VIDEO_DEV_SIGNATURE)
+
+#define GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER 0xffff
+
+//
+// Global Variables
+//
+extern EFI_DRIVER_BINDING_PROTOCOL gBiosVideoDriverBinding;
+extern EFI_COMPONENT_NAME_PROTOCOL gBiosVideoComponentName;
+extern EFI_COMPONENT_NAME2_PROTOCOL gBiosVideoComponentName2;
+
+//
+// Driver Binding Protocol functions
+//
+EFI_STATUS
+EFIAPI
+BiosVideoDriverBindingSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ Controller - GC_TODO: add argument description
+ RemainingDevicePath - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+BiosVideoDriverBindingStart (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ Controller - GC_TODO: add argument description
+ RemainingDevicePath - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+BiosVideoDriverBindingStop (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ Controller - GC_TODO: add argument description
+ NumberOfChildren - GC_TODO: add argument description
+ ChildHandleBuffer - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+//
+// Private worker functions
+//
+EFI_STATUS
+BiosVideoCheckForVbe (
+ BIOS_VIDEO_DEV *BiosVideoPrivate,
+//*** AMI PORTING BEGIN ***//
+ PCI_TYPE00 *PciConfSpace
+//*** AMI PORTING END *****//
+)
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ BiosVideoPrivate - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+BiosVideoCheckForVga (
+ BIOS_VIDEO_DEV *BiosVideoPrivate
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ BiosVideoPrivate - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+STATIC
+EFI_STATUS
+DeRegisterVideoChildHandle (
+ EFI_DRIVER_BINDING_PROTOCOL *This,
+ EFI_HANDLE Controller,
+ EFI_HANDLE Handle
+ )
+/*++
+
+Routine Description:
+
+ Deregister an video child handle and free resources
+
+Arguments:
+
+ This - Protocol instance pointer.
+ Controller - Video controller handle
+ Handle - Video child handle
+
+Returns:
+
+ EFI_STATUS
+
+--*/
+;
+
+VOID
+BiosVideoDeviceReleaseResource (
+ BIOS_VIDEO_DEV *BiosVideoChildPrivate
+ )
+/*++
+Routing Description:
+
+ Release resources of a video child device before stopping it.
+
+Arguments:
+
+ BiosVideoChildPrivate - Video child device private data structure
+
+Returns:
+
+ NONE
+
+---*/
+;
+
+//
+// BIOS Graphics Output Protocol functions
+//
+EFI_STATUS
+EFIAPI
+BiosVideoGraphicsOutputQueryMode (
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
+ IN UINT32 ModeNumber,
+ OUT UINTN *SizeOfInfo,
+ OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info
+ )
+/*++
+
+Routine Description:
+
+ Graphics Output protocol interface to get video mode
+
+ Arguments:
+ This - Protocol instance pointer.
+ ModeNumber - The mode number to return information on.
+ Info - Caller allocated buffer that returns information about ModeNumber.
+ SizeOfInfo - A pointer to the size, in bytes, of the Info buffer.
+
+ Returns:
+ EFI_SUCCESS - Mode information returned.
+ EFI_BUFFER_TOO_SMALL - The Info buffer was too small.
+ EFI_DEVICE_ERROR - A hardware error occurred trying to retrieve the video mode.
+ EFI_NOT_STARTED - Video display is not initialized. Call SetMode ()
+ EFI_INVALID_PARAMETER - One of the input args was NULL.
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+BiosVideoGraphicsOutputSetMode (
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL * This,
+ IN UINT32 ModeNumber
+ )
+/*++
+
+Routine Description:
+
+ Graphics Output protocol interface to set video mode
+
+ Arguments:
+ This - Protocol instance pointer.
+ ModeNumber - The mode number to be set.
+
+ Returns:
+ EFI_SUCCESS - Graphics mode was changed.
+ EFI_DEVICE_ERROR - The device had an error and could not complete the request.
+ EFI_UNSUPPORTED - ModeNumber is not supported by this device.
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+BiosVideoGraphicsOutputVbeBlt (
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
+ IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
+ IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,
+ IN UINTN SourceX,
+ IN UINTN SourceY,
+ IN UINTN DestinationX,
+ IN UINTN DestinationY,
+ IN UINTN Width,
+ IN UINTN Height,
+ IN UINTN Delta
+ )
+/*++
+
+Routine Description:
+
+ Graphics Output protocol instance to block transfer for VBE device
+
+Arguments:
+
+ This - Pointer to Graphics Output protocol instance
+ BltBuffer - The data to transfer to screen
+ BltOperation - The operation to perform
+ SourceX - The X coordinate of the source for BltOperation
+ SourceY - The Y coordinate of the source for BltOperation
+ DestinationX - The X coordinate of the destination for BltOperation
+ DestinationY - The Y coordinate of the destination for BltOperation
+ Width - The width of a rectangle in the blt rectangle in pixels
+ Height - The height of a rectangle in the blt rectangle in pixels
+ Delta - Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.
+ If a Delta of 0 is used, the entire BltBuffer will be operated on.
+ If a subrectangle of the BltBuffer is used, then Delta represents
+ the number of bytes in a row of the BltBuffer.
+
+Returns:
+
+ EFI_INVALID_PARAMETER - Invalid parameter passed in
+ EFI_SUCCESS - Blt operation success
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+BiosVideoGraphicsOutputVgaBlt (
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
+ IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
+ IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,
+ IN UINTN SourceX,
+ IN UINTN SourceY,
+ IN UINTN DestinationX,
+ IN UINTN DestinationY,
+ IN UINTN Width,
+ IN UINTN Height,
+ IN UINTN Delta
+ )
+/*++
+
+Routine Description:
+
+ Grahpics Output protocol instance to block transfer for VGA device
+
+Arguments:
+
+ This - Pointer to Grahpics Output protocol instance
+ BltBuffer - The data to transfer to screen
+ BltOperation - The operation to perform
+ SourceX - The X coordinate of the source for BltOperation
+ SourceY - The Y coordinate of the source for BltOperation
+ DestinationX - The X coordinate of the destination for BltOperation
+ DestinationY - The Y coordinate of the destination for BltOperation
+ Width - The width of a rectangle in the blt rectangle in pixels
+ Height - The height of a rectangle in the blt rectangle in pixels
+ Delta - Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.
+ If a Delta of 0 is used, the entire BltBuffer will be operated on.
+ If a subrectangle of the BltBuffer is used, then Delta represents
+ the number of bytes in a row of the BltBuffer.
+
+Returns:
+
+ EFI_INVALID_PARAMETER - Invalid parameter passed in
+ EFI_SUCCESS - Blt operation success
+
+--*/
+;
+
+//
+// BIOS VGA Mini Port Protocol functions
+//
+EFI_STATUS
+EFIAPI
+BiosVideoVgaMiniPortSetMode (
+ IN EFI_VGA_MINI_PORT_PROTOCOL *This,
+ IN UINTN ModeNumber
+ )
+/*++
+
+Routine Description:
+
+ VgaMiniPort protocol interface to set mode
+
+Arguments:
+
+ This - Pointer to VgaMiniPort protocol instance
+ ModeNumber - The index of the mode
+
+Returns:
+
+ EFI_UNSUPPORTED - The requested mode is not supported
+ EFI_SUCCESS - The requested mode is set successfully
+
+--*/
+;
+
+//
+// Standard VGA Definitions
+//
+#define VGA_HORIZONTAL_RESOLUTION 640
+#define VGA_VERTICAL_RESOLUTION 480
+#define VGA_NUMBER_OF_BIT_PLANES 4
+#define VGA_PIXELS_PER_BYTE 8
+#define VGA_BYTES_PER_SCAN_LINE (VGA_HORIZONTAL_RESOLUTION / VGA_PIXELS_PER_BYTE)
+#define VGA_BYTES_PER_BIT_PLANE (VGA_VERTICAL_RESOLUTION * VGA_BYTES_PER_SCAN_LINE)
+
+#define VGA_GRAPHICS_CONTROLLER_ADDRESS_REGISTER 0x3ce
+#define VGA_GRAPHICS_CONTROLLER_DATA_REGISTER 0x3cf
+
+#define VGA_GRAPHICS_CONTROLLER_SET_RESET_REGISTER 0x00
+
+#define VGA_GRAPHICS_CONTROLLER_ENABLE_SET_RESET_REGISTER 0x01
+
+#define VGA_GRAPHICS_CONTROLLER_COLOR_COMPARE_REGISTER 0x02
+
+#define VGA_GRAPHICS_CONTROLLER_DATA_ROTATE_REGISTER 0x03
+#define VGA_GRAPHICS_CONTROLLER_FUNCTION_REPLACE 0x00
+#define VGA_GRAPHICS_CONTROLLER_FUNCTION_AND 0x08
+#define VGA_GRAPHICS_CONTROLLER_FUNCTION_OR 0x10
+#define VGA_GRAPHICS_CONTROLLER_FUNCTION_XOR 0x18
+
+#define VGA_GRAPHICS_CONTROLLER_READ_MAP_SELECT_REGISTER 0x04
+
+#define VGA_GRAPHICS_CONTROLLER_MODE_REGISTER 0x05
+#define VGA_GRAPHICS_CONTROLLER_READ_MODE_0 0x00
+#define VGA_GRAPHICS_CONTROLLER_READ_MODE_1 0x08
+#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_0 0x00
+#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_1 0x01
+#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_2 0x02
+#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_3 0x03
+
+#define VGA_GRAPHICS_CONTROLLER_MISCELLANEOUS_REGISTER 0x06
+
+#define VGA_GRAPHICS_CONTROLLER_COLOR_DONT_CARE_REGISTER 0x07
+
+#define VGA_GRAPHICS_CONTROLLER_BIT_MASK_REGISTER 0x08
+
+#endif
diff --git a/Core/EM/CSM/thunk/CsmVideo/VesaBiosExtensions.h b/Core/EM/CSM/thunk/CsmVideo/VesaBiosExtensions.h
new file mode 100644
index 0000000..5adcdfb
--- /dev/null
+++ b/Core/EM/CSM/thunk/CsmVideo/VesaBiosExtensions.h
@@ -0,0 +1,463 @@
+//
+// This file contains a 'Sample Driver' and is licensed as such
+// under the terms of your license agreement with Intel or your
+// vendor. This file may be modified by the user, subject to
+// the additional terms of the license agreement
+//
+/*++
+
+Copyright (c) 1999 - 2006 Intel Corporation. All rights reserved
+This software and associated documentation (if any) is furnished
+under a license and may only be used or copied in accordance
+with the terms of the license. Except as permitted by such
+license, no part of this software or documentation may be
+reproduced, stored in a retrieval system, or transmitted in any
+form or by any means without the express written consent of
+Intel Corporation.
+
+Module Name:
+
+ VesaBiosExtensions.h
+
+Abstract:
+
+Revision History
+
+--*/
+
+#ifndef _VESA_BIOS_EXTENSIONS_H
+#define _VESA_BIOS_EXTENSIONS_H
+
+//
+// Turn on byte packing of data structures
+//
+#pragma pack(1)
+//
+// VESA BIOS Extensions status codes
+//
+#define VESA_BIOS_EXTENSIONS_STATUS_SUCCESS 0x004f
+
+//
+// VESA BIOS Extensions Services
+//
+#define VESA_BIOS_EXTENSIONS_RETURN_CONTROLLER_INFORMATION 0x4f00
+
+/*++
+
+ Routine Description:
+ Function 00 : Return Controller Information
+
+ Arguments:
+ Inputs:
+ AX = 0x4f00
+ ES:DI = Pointer to buffer to place VESA_BIOS_EXTENSIONS_INFORMATION_BLOCK structure
+ Outputs:
+ AX = Return Status
+
+--*/
+#define VESA_BIOS_EXTENSIONS_RETURN_MODE_INFORMATION 0x4f01
+
+/*++
+
+ Routine Description:
+ Function 01 : Return Mode Information
+
+ Arguments:
+ Inputs:
+ AX = 0x4f01
+ CX = Mode Number
+ ES:DI = Pointer to buffer to place VESA_BIOS_EXTENSIONS_MODE_INFORMATION_BLOCK structure
+ Outputs:
+ AX = Return Status
+
+--*/
+#define VESA_BIOS_EXTENSIONS_SET_MODE 0x4f02
+
+/*++
+
+ Routine Description:
+ Function 02 : Set Mode
+
+ Arguments:
+ Inputs:
+ AX = 0x4f02
+ BX = Desired mode to set
+ D0-D8 = Mode Number
+ D9-D10 = Reserved (must be 0)
+ D11 = 0 - Use current default refresh rate
+ = 1 - Use user specfieid CRTC values for refresh rate
+ D12-D13 = Reserved (must be 0)
+ D14 = 0 - Use windowed frame buffer model
+ = 1 - Use linear/flat frame buffer model
+ D15 = 0 - Clear display memory
+ = 1 - Don't clear display memory
+ ES:DI = Pointer to buffer to the VESA_BIOS_EXTENSIONS_CRTC_INFORMATION_BLOCK structure
+ Outputs:
+ AX = Return Status
+
+--*/
+#define VESA_BIOS_EXTENSIONS_RETURN_CURRENT_MODE 0x4f03
+
+/*++
+
+ Routine Description:
+ Function 03 : Return Current Mode
+
+ Arguments:
+ Inputs:
+ AX = 0x4f03
+ Outputs:
+ AX = Return Status
+ BX = Current mode
+ D0-D13 = Mode Number
+ D14 = 0 - Windowed frame buffer model
+ = 1 - Linear/flat frame buffer model
+ D15 = 0 - Memory cleared at last mode set
+ = 1 - Memory not cleared at last mode set
+
+--*/
+#define VESA_BIOS_EXTENSIONS_SAVE_RESTORE_STATE 0x4f04
+
+/*++
+
+ Routine Description:
+ Function 04 : Save/Restore State
+
+ Arguments:
+ Inputs:
+ AX = 0x4f03
+ DL = 0x00 - Return Save/Restore State buffer size
+ = 0x01 - Save State
+ = 0x02 - Restore State
+ CX = Requested Status
+ D0 = Save/Restore controller hardware state
+ D1 = Save/Restore BIOS data state
+ D2 = Save/Restore DAC state
+ D3 = Save/Restore Regsiter state
+ ES:BX = Pointer to buffer if DL=1 or DL=2
+ Outputs:
+ AX = Return Status
+ BX = Number of 64 byte blocks to hold the state buffer if DL=0
+
+--*/
+#define VESA_BIOS_EXTENSIONS_EDID 0x4f15
+
+/*++
+
+ Routine Description:
+ Function 15 : implement VBE/DDC service
+
+ Arguments:
+ Inputs:
+ AX = 0x4f15
+ BL = 0x00 - Report VBE/DDC Capabilities
+ CX = 0x00 - Controller unit number (00 = primary controller)
+ ES:DI = Null pointer, must be 0:0 in version 1.0
+ Outputs:
+ AX = Return Status
+ BH = Approx. time in seconds, rounded up, to transfer one EDID block(128 bytes)
+ BL = DDC level supported
+ D0 = 0 DDC1 not supported
+ = 1 DDC1 supported
+ D1 = 0 DDC2 not supported
+ = 1 DDC2 supported
+ D2 = 0 Screen not blanked during data transfer
+ = 1 Screen blanked during data transfer
+
+ Inputs:
+ AX = 0x4f15
+ BL = 0x01 - Read EDID
+ CX = 0x00 - Controller unit number (00 = primary controller)
+ DX = 0x00 - EDID block number
+ ES:DI = Pointer to buffer in which the EDID block is returned
+ Outputs:
+ AX = Return Status
+--*/
+
+//
+// Timing data from EDID data block
+//
+#define VESA_BIOS_EXTENSIONS_EDID_BLOCK_SIZE 128
+#define VESA_BIOS_EXTENSIONS_EDID_ESTABLISHED_TIMING_MAX_NUMBER 17
+
+typedef struct {
+ UINT16 HorizontalResolution;
+ UINT16 VerticalResolution;
+ UINT16 RefreshRate;
+} VESA_BIOS_EXTENSIONS_EDID_TIMING;
+
+typedef struct {
+ UINT32 ValidNumber;
+ UINT32 Key[VESA_BIOS_EXTENSIONS_EDID_ESTABLISHED_TIMING_MAX_NUMBER];
+} VESA_BIOS_EXTENSIONS_VALID_EDID_TIMING;
+
+typedef struct {
+ UINT8 Header[8]; //EDID header "00 FF FF FF FF FF FF 00"
+ UINT16 ManufactureName; //EISA 3-character ID
+ UINT16 ProductCode; //Vendor assigned code
+ UINT32 SerialNumber; //32-bit serial number
+ UINT8 WeekOfManufacture; //Week number
+ UINT8 YearOfManufacture; //Year
+ UINT8 EdidVersion; //EDID Structure Version
+ UINT8 EdidRevision; //EDID Structure Revision
+ UINT8 VideoInputDefinition;
+ UINT8 MaxHorizontalImageSize; //cm
+ UINT8 MaxVerticalImageSize; //cm
+ UINT8 DisplayTransferCharacteristic;
+ UINT8 FeatureSupport;
+ UINT8 RedGreenLowBits; //Rx1 Rx0 Ry1 Ry0 Gx1 Gx0 Gy1Gy0
+ UINT8 BlueWhiteLowBits; //Bx1 Bx0 By1 By0 Wx1 Wx0 Wy1 Wy0
+ UINT8 RedX; //Red-x Bits 9 - 2
+ UINT8 RedY; //Red-y Bits 9 - 2
+ UINT8 GreenX; //Green-x Bits 9 - 2
+ UINT8 GreenY; //Green-y Bits 9 - 2
+ UINT8 BlueX; //Blue-x Bits 9 - 2
+ UINT8 BlueY; //Blue-y Bits 9 - 2
+ UINT8 WhiteX; //White-x Bits 9 - 2
+ UINT8 WhiteY; //White-x Bits 9 - 2
+ UINT8 EstablishedTimings[3];
+ UINT8 StandardTimingIdentification[16];
+ UINT8 DetailedTimingDescriptions[72];
+ UINT8 ExtensionFlag; //Number of (optional) 128-byte EDID extension blocks to follow
+ UINT8 Checksum;
+} VESA_BIOS_EXTENSIONS_EDID_DATA_BLOCK;
+
+//
+// Super VGA Information Block
+//
+typedef struct {
+ UINT32 VESASignature; // 'VESA' 4 byte signature
+ UINT16 VESAVersion; // VBE version number
+ UINT32 OEMStringPtr; // Pointer to OEM string
+ UINT32 Capabilities; // Capabilities of video card
+ UINT32 VideoModePtr; // Pointer to an array of 16-bit supported modes values terminated by 0xFFFF
+ UINT16 TotalMemory; // Number of 64kb memory blocks
+ UINT16 OemSoftwareRev; // VBE implementation Software revision
+ UINT32 OemVendorNamePtr; // VbeFarPtr to Vendor Name String
+ UINT32 OemProductNamePtr; // VbeFarPtr to Product Name String
+ UINT32 OemProductRevPtr; // VbeFarPtr to Product Revision String
+ UINT8 Reserved[222]; // Reserved for VBE implementation scratch area
+ UINT8 OemData[256]; // Data area for OEM strings. Pad to 512 byte block size
+} VESA_BIOS_EXTENSIONS_INFORMATION_BLOCK;
+
+//
+// Super VGA Information Block VESASignature values
+//
+#define VESA_BIOS_EXTENSIONS_VESA_SIGNATURE EFI_SIGNATURE_32 ('V', 'E', 'S', 'A')
+#define VESA_BIOS_EXTENSIONS_VBE2_SIGNATURE EFI_SIGNATURE_32 ('V', 'B', 'E', '2')
+
+//
+// Super VGA Information Block VESAVersion values
+//
+#define VESA_BIOS_EXTENSIONS_VERSION_1_2 0x0102
+#define VESA_BIOS_EXTENSIONS_VERSION_2_0 0x0200
+#define VESA_BIOS_EXTENSIONS_VERSION_3_0 0x0300
+
+//
+// Super VGA Information Block Capabilities field bit defintions
+//
+#define VESA_BIOS_EXTENSIONS_CAPABILITY_8_BIT_DAC 0x01 // 0: DAC width is fixed at 6 bits/color
+// 1: DAC width switchable to 8 bits/color
+//
+#define VESA_BIOS_EXTENSIONS_CAPABILITY_NOT_VGA 0x02 // 0: Controller is VGA compatible
+// 1: Controller is not VGA compatible
+//
+#define VESA_BIOS_EXTENSIONS_CAPABILITY_NOT_NORMAL_RAMDAC 0x04 // 0: Normal RAMDAC operation
+// 1: Use blank bit in function 9 to program RAMDAC
+//
+#define VESA_BIOS_EXTENSIONS_CAPABILITY_STEREOSCOPIC 0x08 // 0: No hardware stereoscopic signal support
+// 1: Hardware stereoscopic signal support
+//
+#define VESA_BIOS_EXTENSIONS_CAPABILITY_VESA_EVC 0x10 // 0: Stero signaling supported via external VESA stereo connector
+// 1: Stero signaling supported via VESA EVC connector
+//
+// Super VGA mode number bite field definitions
+//
+#define VESA_BIOS_EXTENSIONS_MODE_NUMBER_VESA 0x0100 // 0: Not a VESA defined VBE mode
+// 1: A VESA defined VBE mode
+//
+#define VESA_BIOS_EXTENSIONS_MODE_NUMBER_REFRESH_CONTROL_USER 0x0800 // 0: Use current BIOS default referesh rate
+// 1: Use the user specified CRTC values for refresh rate
+//
+#define VESA_BIOS_EXTENSIONS_MODE_NUMBER_LINEAR_FRAME_BUFFER 0x4000 // 0: Use a banked/windowed frame buffer
+// 1: Use a linear/flat frame buffer
+//
+#define VESA_BIOS_EXTENSIONS_MODE_NUMBER_PRESERVE_MEMORY 0x8000 // 0: Clear display memory
+// 1: Preseve display memory
+//
+// Super VGA Information Block mode list terminator value
+//
+#define VESA_BIOS_EXTENSIONS_END_OF_MODE_LIST 0xffff
+
+//
+// Window Function
+//
+typedef
+VOID
+(*VESA_BIOS_EXTENSIONS_WINDOW_FUNCTION) (
+ VOID
+ );
+
+//
+// Super VGA Mode Information Block
+//
+typedef struct {
+ //
+ // Manadory fields for all VESA Bios Extensions revisions
+ //
+ UINT16 ModeAttributes; // Mode attributes
+ UINT8 WinAAttributes; // Window A attributes
+ UINT8 WinBAttributes; // Window B attributes
+ UINT16 WinGranularity; // Window granularity in k
+ UINT16 WinSize; // Window size in k
+ UINT16 WinASegment; // Window A segment
+ UINT16 WinBSegment; // Window B segment
+ UINT32 WindowFunction; // Pointer to window function
+ UINT16 BytesPerScanLine; // Bytes per scanline
+ //
+ // Manadory fields for VESA Bios Extensions 1.2 and above
+ //
+ UINT16 XResolution; // Horizontal resolution
+ UINT16 YResolution; // Vertical resolution
+ UINT8 XCharSize; // Character cell width
+ UINT8 YCharSize; // Character cell height
+ UINT8 NumberOfPlanes; // Number of memory planes
+ UINT8 BitsPerPixel; // Bits per pixel
+ UINT8 NumberOfBanks; // Number of CGA style banks
+ UINT8 MemoryModel; // Memory model type
+ UINT8 BankSize; // Size of CGA style banks
+ UINT8 NumberOfImagePages; // Number of images pages
+ UINT8 Reserved1; // Reserved
+ UINT8 RedMaskSize; // Size of direct color red mask
+ UINT8 RedFieldPosition; // Bit posn of lsb of red mask
+ UINT8 GreenMaskSize; // Size of direct color green mask
+ UINT8 GreenFieldPosition; // Bit posn of lsb of green mask
+ UINT8 BlueMaskSize; // Size of direct color blue mask
+ UINT8 BlueFieldPosition; // Bit posn of lsb of blue mask
+ UINT8 RsvdMaskSize; // Size of direct color res mask
+ UINT8 RsvdFieldPosition; // Bit posn of lsb of res mask
+ UINT8 DirectColorModeInfo; // Direct color mode attributes
+ //
+ // Manadory fields for VESA Bios Extensions 2.0 and above
+ //
+ UINT32 PhysBasePtr; // Physical Address for flat memory frame buffer
+ UINT32 Reserved2; // Reserved
+ UINT16 Reserved3; // Reserved
+ //
+ // Manadory fields for VESA Bios Extensions 3.0 and above
+ //
+ UINT16 LinBytesPerScanLine; // Bytes/scan line for linear modes
+ UINT8 BnkNumberOfImagePages; // Number of images for banked modes
+ UINT8 LinNumberOfImagePages; // Number of images for linear modes
+ UINT8 LinRedMaskSize; // Size of direct color red mask (linear mode)
+ UINT8 LinRedFieldPosition; // Bit posiiton of lsb of red mask (linear modes)
+ UINT8 LinGreenMaskSize; // Size of direct color green mask (linear mode)
+ UINT8 LinGreenFieldPosition; // Bit posiiton of lsb of green mask (linear modes)
+ UINT8 LinBlueMaskSize; // Size of direct color blue mask (linear mode)
+ UINT8 LinBlueFieldPosition; // Bit posiiton of lsb of blue mask (linear modes)
+ UINT8 LinRsvdMaskSize; // Size of direct color reserved mask (linear mode)
+ UINT8 LinRsvdFieldPosition; // Bit posiiton of lsb of reserved mask (linear modes)
+ UINT32 MaxPixelClock; // Maximum pixel clock (in Hz) for graphics mode
+ UINT8 Pad[190]; // Pad to 256 byte block size
+} VESA_BIOS_EXTENSIONS_MODE_INFORMATION_BLOCK;
+
+//
+// Super VGA Mode Information Block ModeAttributes field bit defintions
+//
+#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_HARDWARE 0x0001 // 0: Mode not supported in handware
+// 1: Mode supported in handware
+//
+#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_TTY 0x0004 // 0: TTY Output functions not supported by BIOS
+// 1: TTY Output functions supported by BIOS
+//
+#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_COLOR 0x0008 // 0: Monochrome mode
+// 1: Color mode
+//
+#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_GRAPHICS 0x0010 // 0: Text mode
+// 1: Graphics mode
+//
+#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_NOT_VGA 0x0020 // 0: VGA compatible mode
+// 1: Not a VGA compatible mode
+//
+#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_NOT_WINDOWED 0x0040 // 0: VGA compatible windowed memory mode
+// 1: Not a VGA compatible windowed memory mode
+//
+#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER 0x0080 // 0: No linear fram buffer mode available
+// 1: Linear frame buffer mode available
+//
+#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_DOUBLE_SCAN 0x0100 // 0: No double scan mode available
+// 1: Double scan mode available
+//
+#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_INTERLACED 0x0200 // 0: No interlaced mode is available
+// 1: Interlaced mode is available
+//
+#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_NO_TRIPPLE_BUFFER 0x0400 // 0: No hardware triple buffer mode support available
+// 1: Hardware triple buffer mode support available
+//
+#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_STEREOSCOPIC 0x0800 // 0: No hardware steroscopic display support
+// 1: Hardware steroscopic display support
+//
+#define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_DUAL_DISPLAY 0x1000 // 0: No dual display start address support
+// 1: Dual display start address support
+//
+// Super VGA Mode Information Block WinAAttribite/WinBAttributes field bit defintions
+//
+#define VESA_BIOS_EXTENSIONS_WINX_ATTRIBUTE_RELOCATABLE 0x01 // 0: Single non-relocatable window only
+// 1: Relocatable window(s) are supported
+//
+#define VESA_BIOS_EXTENSIONS_WINX_ATTRIBUTE_READABLE 0x02 // 0: Window is not readable
+// 1: Window is readable
+//
+#define VESA_BIOS_EXTENSIONS_WINX_ATTRIBUTE_WRITABLE 0x04 // 0: Window is not writable
+// 1: Window is writable
+//
+// Super VGA Mode Information Block DirectColorMode field bit defintions
+//
+#define VESA_BIOS_EXTENSIONS_DIRECT_COLOR_MODE_PROG_COLOR_RAMP 0x01 // 0: Color ram is fixed
+// 1: Color ramp is programmable
+//
+#define VESA_BIOS_EXTENSIONS_DIRECT_COLOR_MODE_RSVD_USABLE 0x02 // 0: Bits in Rsvd field are reserved
+// 1: Bits in Rsdv field are usable
+//
+// Super VGA Memory Models
+//
+typedef enum {
+ memPL = 3, // Planar memory model
+ memPK = 4, // Packed pixel memory model
+ memRGB= 6, // Direct color RGB memory model
+ memYUV= 7, // Direct color YUV memory model
+} VESA_BIOS_EXTENSIONS_MEMORY_MODELS;
+
+//
+// Super VGA CRTC Information Block
+//
+typedef struct {
+ UINT16 HorizontalTotal; // Horizontal total in pixels
+ UINT16 HorizontalSyncStart; // Horizontal sync start in pixels
+ UINT16 HorizontalSyncEnd; // Horizontal sync end in pixels
+ UINT16 VericalTotal; // Vertical total in pixels
+ UINT16 VericalSyncStart; // Vertical sync start in pixels
+ UINT16 VericalSyncEnd; // Vertical sync end in pixels
+ UINT8 Flags; // Flags (Interlaced/DoubleScan/etc).
+ UINT32 PixelClock; // Pixel clock in units of Hz
+ UINT16 RefreshRate; // Refresh rate in units of 0.01 Hz
+ UINT8 Reserved[40]; // Pad
+} VESA_BIOS_EXTENSIONS_CRTC_INFORMATION_BLOCK;
+
+#define VESA_BIOS_EXTENSIONS_CRTC_FLAGS_DOUBLE_SCAN 0x01 // 0: Graphics mode is not souble scanned
+// 1: Graphics mode is double scanned
+//
+#define VESA_BIOS_EXTENSIONS_CRTC_FLAGSINTERLACED 0x02 // 0: Graphics mode is not interlaced
+// 1: Graphics mode is interlaced
+//
+#define VESA_BIOS_EXTENSIONS_CRTC_HORIZONTAL_SYNC_NEGATIVE 0x04 // 0: Horizontal sync polarity is positive(+)
+// 0: Horizontal sync polarity is negative(-)
+//
+#define VESA_BIOS_EXTENSIONS_CRTC_VERITICAL_SYNC_NEGATIVE 0x08 // 0: Verical sync polarity is positive(+)
+// 0: Verical sync polarity is negative(-)
+//
+// Turn off byte packing of data structures
+//
+#pragma pack()
+
+#endif
diff --git a/Core/EM/CSM/thunk/CsmVideo/VgaClass.c b/Core/EM/CSM/thunk/CsmVideo/VgaClass.c
new file mode 100644
index 0000000..1315bf5
--- /dev/null
+++ b/Core/EM/CSM/thunk/CsmVideo/VgaClass.c
@@ -0,0 +1,1349 @@
+//**********************************************************************
+//**********************************************************************
+//** **
+//** (C)Copyright 1985-2013, American Megatrends, Inc. **
+//** **
+//** All Rights Reserved. **
+//** **
+//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 **
+//** **
+//** Phone: (770)-246-8600 **
+//** **
+//**********************************************************************
+//**********************************************************************
+
+/*++
+ This file contains a 'Sample Driver' and is licensed as such
+ under the terms of your license agreement with Intel or your
+ vendor. This file may be modified by the user, subject to
+ the additional terms of the license agreement
+--*/
+/*++
+
+Copyright (c) 1999 - 2003 Intel Corporation. All rights reserved
+This software and associated documentation (if any) is furnished
+under a license and may only be used or copied in accordance
+with the terms of the license. Except as permitted by such
+license, no part of this software or documentation may be
+reproduced, stored in a retrieval system, or transmitted in any
+form or by any means without the express written consent of
+Intel Corporation.
+
+
+Module Name:
+
+ VgaClass.c
+
+Abstract:
+ This driver produces a VGA console.
+
+--*/
+#include "VgaClass.h"
+//*** AMI PORTING BEGIN ***//
+#if INT10_SIMPLE_TEXT_SUPPORT==1
+//*** AMI PORTING END *****//
+
+//
+// EFI Driver Binding Protocol for the VGA Class Driver
+//
+EFI_DRIVER_BINDING_PROTOCOL gVgaClassDriverBinding = {
+ VgaClassDriverBindingSupported,
+ VgaClassDriverBindingStart,
+ VgaClassDriverBindingStop,
+ 0x10,
+ NULL,
+ NULL
+};
+
+//
+// Local variables
+//
+static CHAR16 CrLfString[3] = { CHAR_CARRIAGE_RETURN, CHAR_LINEFEED, CHAR_NULL };
+
+typedef struct {
+ CHAR16 Unicode;
+ CHAR8 PcAnsi;
+ CHAR8 Ascii;
+} UNICODE_TO_CHAR;
+
+//
+// This list is used to define the valid extend chars.
+// It also provides a mapping from Unicode to PCANSI or
+// ASCII. The ASCII mapping we just made up.
+//
+//
+STATIC UNICODE_TO_CHAR UnicodeToPcAnsiOrAscii[] = {
+ BOXDRAW_HORIZONTAL,
+ 0xc4,
+ L'-',
+ BOXDRAW_VERTICAL,
+ 0xb3,
+ L'|',
+ BOXDRAW_DOWN_RIGHT,
+ 0xda,
+ L'/',
+ BOXDRAW_DOWN_LEFT,
+ 0xbf,
+ L'\\',
+ BOXDRAW_UP_RIGHT,
+ 0xc0,
+ L'\\',
+ BOXDRAW_UP_LEFT,
+ 0xd9,
+ L'/',
+ BOXDRAW_VERTICAL_RIGHT,
+ 0xc3,
+ L'|',
+ BOXDRAW_VERTICAL_LEFT,
+ 0xb4,
+ L'|',
+ BOXDRAW_DOWN_HORIZONTAL,
+ 0xc2,
+ L'+',
+ BOXDRAW_UP_HORIZONTAL,
+ 0xc1,
+ L'+',
+ BOXDRAW_VERTICAL_HORIZONTAL,
+ 0xc5,
+ L'+',
+ BOXDRAW_DOUBLE_HORIZONTAL,
+ 0xcd,
+ L'-',
+ BOXDRAW_DOUBLE_VERTICAL,
+ 0xba,
+ L'|',
+ BOXDRAW_DOWN_RIGHT_DOUBLE,
+ 0xd5,
+ L'/',
+ BOXDRAW_DOWN_DOUBLE_RIGHT,
+ 0xd6,
+ L'/',
+ BOXDRAW_DOUBLE_DOWN_RIGHT,
+ 0xc9,
+ L'/',
+ BOXDRAW_DOWN_LEFT_DOUBLE,
+ 0xb8,
+ L'\\',
+ BOXDRAW_DOWN_DOUBLE_LEFT,
+ 0xb7,
+ L'\\',
+ BOXDRAW_DOUBLE_DOWN_LEFT,
+ 0xbb,
+ L'\\',
+ BOXDRAW_UP_RIGHT_DOUBLE,
+ 0xd4,
+ L'\\',
+ BOXDRAW_UP_DOUBLE_RIGHT,
+ 0xd3,
+ L'\\',
+ BOXDRAW_DOUBLE_UP_RIGHT,
+ 0xc8,
+ L'\\',
+ BOXDRAW_UP_LEFT_DOUBLE,
+ 0xbe,
+ L'/',
+ BOXDRAW_UP_DOUBLE_LEFT,
+ 0xbd,
+ L'/',
+ BOXDRAW_DOUBLE_UP_LEFT,
+ 0xbc,
+ L'/',
+ BOXDRAW_VERTICAL_RIGHT_DOUBLE,
+ 0xc6,
+ L'|',
+ BOXDRAW_VERTICAL_DOUBLE_RIGHT,
+ 0xc7,
+ L'|',
+ BOXDRAW_DOUBLE_VERTICAL_RIGHT,
+ 0xcc,
+ L'|',
+ BOXDRAW_VERTICAL_LEFT_DOUBLE,
+ 0xb5,
+ L'|',
+ BOXDRAW_VERTICAL_DOUBLE_LEFT,
+ 0xb6,
+ L'|',
+ BOXDRAW_DOUBLE_VERTICAL_LEFT,
+ 0xb9,
+ L'|',
+ BOXDRAW_DOWN_HORIZONTAL_DOUBLE,
+ 0xd1,
+ L'+',
+ BOXDRAW_DOWN_DOUBLE_HORIZONTAL,
+ 0xd2,
+ L'+',
+ BOXDRAW_DOUBLE_DOWN_HORIZONTAL,
+ 0xcb,
+ L'+',
+ BOXDRAW_UP_HORIZONTAL_DOUBLE,
+ 0xcf,
+ L'+',
+ BOXDRAW_UP_DOUBLE_HORIZONTAL,
+ 0xd0,
+ L'+',
+ BOXDRAW_DOUBLE_UP_HORIZONTAL,
+ 0xca,
+ L'+',
+ BOXDRAW_VERTICAL_HORIZONTAL_DOUBLE,
+ 0xd8,
+ L'+',
+ BOXDRAW_VERTICAL_DOUBLE_HORIZONTAL,
+ 0xd7,
+ L'+',
+ BOXDRAW_DOUBLE_VERTICAL_HORIZONTAL,
+ 0xce,
+ L'+',
+
+ BLOCKELEMENT_FULL_BLOCK,
+ 0xdb,
+ L'*',
+ BLOCKELEMENT_LIGHT_SHADE,
+ 0xb0,
+ L'+',
+
+ GEOMETRICSHAPE_UP_TRIANGLE,
+ 0x1e,
+ L'^',
+ GEOMETRICSHAPE_RIGHT_TRIANGLE,
+ 0x10,
+ L'>',
+ GEOMETRICSHAPE_DOWN_TRIANGLE,
+ 0x1f,
+ L'v',
+ GEOMETRICSHAPE_LEFT_TRIANGLE,
+ 0x11,
+ L'<',
+
+ ARROW_LEFT,
+ 0x3c,
+ L'<',
+
+ ARROW_UP,
+ 0x18,
+ L'^',
+
+ ARROW_RIGHT,
+ 0x3e,
+ L'>',
+
+ ARROW_DOWN,
+ 0x19,
+ L'v',
+
+ 0x0000,
+ 0x00
+};
+
+//
+// Private worker functions
+//
+STATIC
+VOID
+SetVideoCursorPosition (
+ IN VGA_CLASS_DEV *VgaClassDev,
+ IN UINTN Column,
+ IN UINTN Row,
+ IN UINTN MaxColumn
+ );
+
+STATIC
+VOID
+WriteCrtc (
+ IN VGA_CLASS_DEV *VgaClassDev,
+ IN UINT16 Address,
+ IN UINT8 Data
+ );
+
+STATIC
+BOOLEAN
+LibIsValidTextGraphics (
+ IN CHAR16 Graphic,
+ OUT CHAR8 *PcAnsi, OPTIONAL
+ OUT CHAR8 *Ascii OPTIONAL
+ );
+
+STATIC
+BOOLEAN
+IsValidAscii (
+ IN CHAR16 Ascii
+ );
+
+STATIC
+BOOLEAN
+IsValidEfiCntlChar (
+ IN CHAR16 c
+ );
+
+//
+// Driver Entry Point
+//
+EFI_DRIVER_ENTRY_POINT (VgaClassDriverEntryPoint)
+
+EFI_STATUS
+EFIAPI
+VgaClassDriverEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+/*++
+
+ Routine Description:
+
+ Driver Entry Point.
+
+ Arguments:
+
+ (Standard EFI Image entry - EFI_IMAGE_ENTRY_POINT)
+
+ Returns:
+ EFI_STATUS
+--*/
+// GC_TODO: ImageHandle - add argument and description to function comment
+// GC_TODO: SystemTable - add argument and description to function comment
+{
+ return INSTALL_ALL_DRIVER_PROTOCOLS (
+ ImageHandle,
+ SystemTable,
+ &gVgaClassDriverBinding,
+ ImageHandle,
+//*** AMI PORTING BEGIN ***//
+ NULL,
+// &gVgaClassComponentName,
+//*** AMI PORTING END *****//
+ NULL,
+ NULL
+ );
+}
+
+EFI_STATUS
+EFIAPI
+VgaClassDriverBindingSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+/*++
+
+ Routine Description:
+
+ Supported.
+
+ Arguments:
+
+ (Standard DriverBinding Protocol Supported() function)
+
+ Returns:
+
+ EFI_STATUS
+
+--*/
+// GC_TODO: This - add argument and description to function comment
+// GC_TODO: Controller - add argument and description to function comment
+// GC_TODO: RemainingDevicePath - add argument and description to function comment
+{
+ EFI_STATUS Status;
+ EFI_VGA_MINI_PORT_PROTOCOL *VgaMiniPort;
+
+ //
+ // Open the IO Abstraction(s) needed to perform the supported test
+ //
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiVgaMiniPortProtocolGuid,
+ (VOID **) &VgaMiniPort,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_TEST_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Open the IO Abstraction(s) needed to perform the supported test
+ //
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ NULL,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_TEST_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ return Status;
+}
+
+EFI_STATUS
+EFIAPI
+VgaClassDriverBindingStart (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+/*++
+
+ Routine Description:
+
+ Layers the Simple Text Output Protocol on top of the
+ VGA Mini Port Protocol
+
+ Arguments:
+
+ (Standard DriverBinding Protocol Start() function)
+
+ Returns:
+
+ EFI_STATUS
+
+--*/
+// GC_TODO: This - add argument and description to function comment
+// GC_TODO: Controller - add argument and description to function comment
+// GC_TODO: RemainingDevicePath - add argument and description to function comment
+// GC_TODO: EFI_OUT_OF_RESOURCES - add return value to function comment
+{
+ EFI_STATUS Status;
+ EFI_VGA_MINI_PORT_PROTOCOL *VgaMiniPort;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ VGA_CLASS_DEV *VgaClassPrivate;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+
+ Status = gBS->HandleProtocol (
+ Controller,
+ &gEfiDevicePathProtocolGuid,
+ &DevicePath
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Report that VGA Class driver is being enabled
+ //
+ ReportStatusCodeWithDevicePath (
+ EFI_PROGRESS_CODE,
+ EFI_PERIPHERAL_LOCAL_CONSOLE | EFI_P_PC_ENABLE,
+ 0,
+ &gEfiCallerIdGuid,
+ DevicePath
+ );
+
+ //
+ // Open the IO Abstraction(s) needed
+ //
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ (VOID **) &PciIo,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiVgaMiniPortProtocolGuid,
+ (VOID **) &VgaMiniPort,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Allocate the private device structure
+ //
+ Status = gBS->AllocatePool (
+ EfiBootServicesData,
+ sizeof (VGA_CLASS_DEV),
+ &VgaClassPrivate
+ );
+ if (EFI_ERROR (Status)) {
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiVgaMiniPortProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ EfiZeroMem (VgaClassPrivate, sizeof (VGA_CLASS_DEV));
+
+ //
+ // Initialize the private device structure
+ //
+ VgaClassPrivate->Signature = VGA_CLASS_DEV_SIGNATURE;
+ VgaClassPrivate->Handle = Controller;
+ VgaClassPrivate->VgaMiniPort = VgaMiniPort;
+ VgaClassPrivate->PciIo = PciIo;
+
+ VgaClassPrivate->SimpleTextOut.Reset = VgaClassReset;
+ VgaClassPrivate->SimpleTextOut.OutputString = VgaClassOutputString;
+ VgaClassPrivate->SimpleTextOut.TestString = VgaClassTestString;
+ VgaClassPrivate->SimpleTextOut.ClearScreen = VgaClassClearScreen;
+ VgaClassPrivate->SimpleTextOut.SetAttribute = VgaClassSetAttribute;
+ VgaClassPrivate->SimpleTextOut.SetCursorPosition = VgaClassSetCursorPosition;
+ VgaClassPrivate->SimpleTextOut.EnableCursor = VgaClassEnableCursor;
+ VgaClassPrivate->SimpleTextOut.QueryMode = VgaClassQueryMode;
+ VgaClassPrivate->SimpleTextOut.SetMode = VgaClassSetMode;
+
+ VgaClassPrivate->SimpleTextOut.Mode = &VgaClassPrivate->SimpleTextOutputMode;
+ VgaClassPrivate->SimpleTextOutputMode.MaxMode = VgaMiniPort->MaxMode;
+ VgaClassPrivate->DevicePath = DevicePath;
+
+ Status = VgaClassPrivate->SimpleTextOut.SetAttribute (
+ &VgaClassPrivate->SimpleTextOut,
+ EFI_TEXT_ATTR (EFI_WHITE,
+ EFI_BLACK)
+ );
+ if (EFI_ERROR (Status)) {
+ goto ErrorExit;
+ }
+
+ Status = VgaClassPrivate->SimpleTextOut.Reset (
+ &VgaClassPrivate->SimpleTextOut,
+ FALSE
+ );
+ if (EFI_ERROR (Status)) {
+ goto ErrorExit;
+ }
+
+ Status = VgaClassPrivate->SimpleTextOut.EnableCursor (
+ &VgaClassPrivate->SimpleTextOut,
+ TRUE
+ );
+ if (EFI_ERROR (Status)) {
+ goto ErrorExit;
+ }
+
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &Controller,
+ &gEfiSimpleTextOutProtocolGuid,
+ &VgaClassPrivate->SimpleTextOut,
+ NULL
+ );
+
+ return Status;
+
+ErrorExit:
+ ReportStatusCodeWithDevicePath (
+ EFI_ERROR_CODE | EFI_ERROR_MINOR,
+ EFI_PERIPHERAL_LOCAL_CONSOLE | EFI_P_EC_CONTROLLER_ERROR,
+ 0,
+ &gEfiCallerIdGuid,
+ DevicePath
+ );
+
+ return Status;
+
+}
+
+EFI_STATUS
+EFIAPI
+VgaClassDriverBindingStop (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer
+ )
+/*++
+
+ Routine Description:
+
+ Stop.
+
+ Arguments:
+
+ (Standard DriverBinding Protocol Stop() function)
+
+ Returns:
+
+ EFI_STATUS
+
+--*/
+// GC_TODO: This - add argument and description to function comment
+// GC_TODO: Controller - add argument and description to function comment
+// GC_TODO: NumberOfChildren - add argument and description to function comment
+// GC_TODO: ChildHandleBuffer - add argument and description to function comment
+// GC_TODO: EFI_SUCCESS - add return value to function comment
+{
+ EFI_STATUS Status;
+ EFI_SIMPLE_TEXT_OUT_PROTOCOL *SimpleTextOut;
+ VGA_CLASS_DEV *VgaClassPrivate;
+
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiSimpleTextOutProtocolGuid,
+ (VOID **) &SimpleTextOut,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ VgaClassPrivate = VGA_CLASS_DEV_FROM_THIS (SimpleTextOut);
+
+ //
+ // Report that VGA Class driver is being disabled
+ //
+ ReportStatusCodeWithDevicePath (
+ EFI_PROGRESS_CODE,
+ EFI_PERIPHERAL_LOCAL_CONSOLE | EFI_P_PC_DISABLE,
+ 0,
+ &gEfiCallerIdGuid,
+ VgaClassPrivate->DevicePath
+ );
+
+ Status = gBS->UninstallProtocolInterface (
+ Controller,
+ &gEfiSimpleTextOutProtocolGuid,
+ &VgaClassPrivate->SimpleTextOut
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Release PCI I/O and VGA Mini Port Protocols on the controller handle.
+ //
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiVgaMiniPortProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+
+ gBS->FreePool (VgaClassPrivate);
+
+ return EFI_SUCCESS;
+}
+//
+// Simple Text Output Protocol Functions
+//
+EFI_STATUS
+EFIAPI
+VgaClassReset (
+ IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,
+ IN BOOLEAN ExtendedVerification
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ ExtendedVerification - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+{
+ EFI_STATUS Status;
+ VGA_CLASS_DEV *VgaClassPrivate;
+
+ VgaClassPrivate = VGA_CLASS_DEV_FROM_THIS (This);
+
+ ReportStatusCodeWithDevicePath (
+ EFI_PROGRESS_CODE,
+ EFI_PERIPHERAL_LOCAL_CONSOLE | EFI_P_PC_RESET,
+ 0,
+ &gEfiCallerIdGuid,
+ VgaClassPrivate->DevicePath
+ );
+
+ This->SetAttribute (This, EFI_TEXT_ATTR (This->Mode->Attribute & 0x0F, EFI_BACKGROUND_BLACK));
+
+ Status = This->SetMode (This, 0);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ return This->ClearScreen (This);
+}
+
+EFI_STATUS
+EFIAPI
+VgaClassOutputString (
+ IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,
+ IN CHAR16 *WString
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ WString - GC_TODO: add argument description
+
+Returns:
+
+ EFI_SUCCESS - GC_TODO: Add description for return value
+
+--*/
+{
+ EFI_STATUS Status;
+ VGA_CLASS_DEV *VgaClassDev;
+ EFI_SIMPLE_TEXT_OUTPUT_MODE *Mode;
+ UINTN MaxColumn;
+ UINTN MaxRow;
+ CHAR16 *SavedWString;
+ UINT32 VideoChar;
+ CHAR8 GraphicChar;
+
+ VgaClassDev = VGA_CLASS_DEV_FROM_THIS (This);
+
+ Mode = This->Mode;
+
+ Status = This->QueryMode (
+ This,
+ Mode->Mode,
+ &MaxColumn,
+ &MaxRow
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ SavedWString = WString;
+ for (; *WString != CHAR_NULL; WString++) {
+
+ switch (*WString) {
+ case CHAR_BACKSPACE:
+ if (Mode->CursorColumn > 0) {
+ Mode->CursorColumn--;
+ }
+ break;
+
+ case CHAR_LINEFEED:
+ if (Mode->CursorRow == (INT32) (MaxRow - 1)) {
+ //
+ // Scroll the screen by copying the contents
+ // of the VGA display up one line
+ //
+ VgaClassDev->PciIo->CopyMem (
+ VgaClassDev->PciIo,
+ EfiPciIoWidthUint32,
+ VgaClassDev->VgaMiniPort->VgaMemoryBar,
+ VgaClassDev->VgaMiniPort->VgaMemoryOffset,
+ VgaClassDev->VgaMiniPort->VgaMemoryBar,
+ VgaClassDev->VgaMiniPort->VgaMemoryOffset + MaxColumn * 2,
+ ((MaxRow - 1) * MaxColumn) >> 1
+ );
+
+ //
+ // Print Blank Line of spaces with the current color attributes
+ //
+ VideoChar = (Mode->Attribute << 8) | ' ';
+ VideoChar = (VideoChar << 16) | VideoChar;
+ VgaClassDev->PciIo->Mem.Write (
+ VgaClassDev->PciIo,
+ EfiPciIoWidthFillUint32,
+ VgaClassDev->VgaMiniPort->VgaMemoryBar,
+ VgaClassDev->VgaMiniPort->VgaMemoryOffset + (MaxRow - 1) * MaxColumn * 2,
+ MaxColumn >> 1,
+ &VideoChar
+ );
+ }
+
+ if (Mode->CursorRow < (INT32) (MaxRow - 1)) {
+ Mode->CursorRow++;
+ }
+ break;
+
+ case CHAR_CARRIAGE_RETURN:
+ Mode->CursorColumn = 0;
+ break;
+
+ default:
+ if (!LibIsValidTextGraphics (*WString, &GraphicChar, NULL)) {
+ //
+ // Just convert to ASCII
+ //
+ GraphicChar = (CHAR8) *WString;
+ if (!IsValidAscii (GraphicChar)) {
+ //
+ // Keep the API from supporting PCANSI Graphics chars
+ //
+ GraphicChar = '?';
+ }
+ }
+
+ VideoChar = (Mode->Attribute << 8) | GraphicChar;
+ VgaClassDev->PciIo->Mem.Write (
+ VgaClassDev->PciIo,
+ EfiPciIoWidthUint16,
+ VgaClassDev->VgaMiniPort->VgaMemoryBar,
+ VgaClassDev->VgaMiniPort->VgaMemoryOffset + ((Mode->CursorRow * MaxColumn + Mode->CursorColumn) * 2),
+ 1,
+ &VideoChar
+ );
+
+ if (Mode->CursorColumn >= (INT32) (MaxColumn - 1)) {
+ This->OutputString (This, CrLfString);
+ } else {
+ Mode->CursorColumn++;
+ }
+ break;
+ }
+ }
+
+ SetVideoCursorPosition (
+ VgaClassDev,
+ (UINTN) Mode->CursorColumn,
+ (UINTN) Mode->CursorRow,
+ MaxColumn
+ );
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+EFIAPI
+VgaClassTestString (
+ IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,
+ IN CHAR16 *WString
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ WString - GC_TODO: add argument description
+
+Returns:
+
+ EFI_UNSUPPORTED - GC_TODO: Add description for return value
+ EFI_SUCCESS - GC_TODO: Add description for return value
+
+--*/
+{
+ while (*WString != 0x0000) {
+ if (!(IsValidAscii (*WString) || IsValidEfiCntlChar (*WString) || LibIsValidTextGraphics (*WString, NULL, NULL))) {
+ return EFI_UNSUPPORTED;
+ }
+
+ WString++;
+ }
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+EFIAPI
+VgaClassClearScreen (
+ IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+
+Returns:
+
+ EFI_SUCCESS - GC_TODO: Add description for return value
+
+--*/
+{
+ EFI_STATUS Status;
+ VGA_CLASS_DEV *VgaClassDev;
+ UINTN MaxRow;
+ UINTN MaxColumn;
+ UINT32 VideoChar;
+
+ VgaClassDev = VGA_CLASS_DEV_FROM_THIS (This);
+
+ Status = This->QueryMode (
+ This,
+ This->Mode->Mode,
+ &MaxColumn,
+ &MaxRow
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ VideoChar = (This->Mode->Attribute << 8) | ' ';
+ VideoChar = (VideoChar << 16) | VideoChar;
+ VgaClassDev->PciIo->Mem.Write (
+ VgaClassDev->PciIo,
+ EfiPciIoWidthFillUint32,
+ VgaClassDev->VgaMiniPort->VgaMemoryBar,
+ VgaClassDev->VgaMiniPort->VgaMemoryOffset,
+ (MaxRow * MaxColumn) >> 1,
+ &VideoChar
+ );
+
+ This->SetCursorPosition (This, 0, 0);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+EFIAPI
+VgaClassSetAttribute (
+ IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,
+ IN UINTN Attribute
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ Attribute - GC_TODO: add argument description
+
+Returns:
+
+ EFI_SUCCESS - GC_TODO: Add description for return value
+ EFI_UNSUPPORTED - GC_TODO: Add description for return value
+
+--*/
+{
+//*** AMI PORTING BEGIN ***//
+// Comparison of unsigned value with zero
+// if (Attribute >= 0 && Attribute <= EFI_MAX_ATTRIBUTE) {
+ if (Attribute <= EFI_MAX_ATTRIBUTE) {
+//*** AMI PORTING END *****//
+ This->Mode->Attribute = (INT32) Attribute;
+ return EFI_SUCCESS;
+ }
+
+ return EFI_UNSUPPORTED;
+}
+
+EFI_STATUS
+EFIAPI
+VgaClassSetCursorPosition (
+ IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,
+ IN UINTN Column,
+ IN UINTN Row
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ Column - GC_TODO: add argument description
+ Row - GC_TODO: add argument description
+
+Returns:
+
+ EFI_UNSUPPORTED - GC_TODO: Add description for return value
+ EFI_SUCCESS - GC_TODO: Add description for return value
+
+--*/
+{
+ EFI_STATUS Status;
+ VGA_CLASS_DEV *VgaClassDev;
+ UINTN MaxColumn;
+ UINTN MaxRow;
+
+ VgaClassDev = VGA_CLASS_DEV_FROM_THIS (This);
+
+ Status = This->QueryMode (
+ This,
+ This->Mode->Mode,
+ &MaxColumn,
+ &MaxRow
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ if (Column >= MaxColumn || Row >= MaxRow) {
+ return EFI_UNSUPPORTED;
+ }
+
+ SetVideoCursorPosition (VgaClassDev, Column, Row, MaxColumn);
+
+ This->Mode->CursorColumn = (INT32) Column;
+ This->Mode->CursorRow = (INT32) Row;
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+EFIAPI
+VgaClassEnableCursor (
+ IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,
+ IN BOOLEAN Visible
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ Visible - GC_TODO: add argument description
+
+Returns:
+
+ EFI_SUCCESS - GC_TODO: Add description for return value
+
+--*/
+{
+ VGA_CLASS_DEV *VgaClassDev;
+
+ VgaClassDev = VGA_CLASS_DEV_FROM_THIS (This);
+ if (Visible) {
+ switch (This->Mode->Mode) {
+ case 1:
+ WriteCrtc (VgaClassDev, CRTC_CURSOR_START, 0x06);
+ WriteCrtc (VgaClassDev, CRTC_CURSOR_END, 0x07);
+ break;
+
+ default:
+ WriteCrtc (VgaClassDev, CRTC_CURSOR_START, 0x0e);
+ WriteCrtc (VgaClassDev, CRTC_CURSOR_END, 0x0f);
+ break;
+ }
+ } else {
+ WriteCrtc (VgaClassDev, CRTC_CURSOR_START, 0x20);
+ }
+
+ This->Mode->CursorVisible = Visible;
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+EFIAPI
+VgaClassQueryMode (
+ IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,
+ IN UINTN ModeNumber,
+ OUT UINTN *Columns,
+ OUT UINTN *Rows
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ ModeNumber - GC_TODO: add argument description
+ Columns - GC_TODO: add argument description
+ Rows - GC_TODO: add argument description
+
+Returns:
+
+ EFI_UNSUPPORTED - GC_TODO: Add description for return value
+ EFI_UNSUPPORTED - GC_TODO: Add description for return value
+ EFI_SUCCESS - GC_TODO: Add description for return value
+
+--*/
+{
+ VGA_CLASS_DEV *VgaClassDev;
+
+ VgaClassDev = VGA_CLASS_DEV_FROM_THIS (This);
+
+ if ((INT32) ModeNumber >= This->Mode->MaxMode) {
+ *Columns = 0;
+ *Rows = 0;
+ return EFI_UNSUPPORTED;
+ }
+
+ switch (ModeNumber) {
+ case 0:
+ *Columns = 80;
+ *Rows = 25;
+ break;
+
+ case 1:
+ *Columns = 80;
+ *Rows = 50;
+ break;
+
+ default:
+ *Columns = 0;
+ *Rows = 0;
+ return EFI_UNSUPPORTED;
+ }
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+EFIAPI
+VgaClassSetMode (
+ IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,
+ IN UINTN ModeNumber
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ ModeNumber - GC_TODO: add argument description
+
+Returns:
+
+ EFI_UNSUPPORTED - GC_TODO: Add description for return value
+
+--*/
+{
+ EFI_STATUS Status;
+ VGA_CLASS_DEV *VgaClassDev;
+
+ VgaClassDev = VGA_CLASS_DEV_FROM_THIS (This);
+
+ if ((INT32) ModeNumber >= This->Mode->MaxMode) {
+ return EFI_UNSUPPORTED;
+ }
+
+ This->ClearScreen (This);
+
+ This->Mode->Mode = (INT32) ModeNumber;
+
+ Status = VgaClassDev->VgaMiniPort->SetMode (VgaClassDev->VgaMiniPort, ModeNumber);
+
+ return Status;
+}
+//
+// Private Worker Functions
+//
+STATIC
+VOID
+SetVideoCursorPosition (
+ IN VGA_CLASS_DEV *VgaClassDev,
+ IN UINTN Column,
+ IN UINTN Row,
+ IN UINTN MaxColumn
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ VgaClassDev - GC_TODO: add argument description
+ Column - GC_TODO: add argument description
+ Row - GC_TODO: add argument description
+ MaxColumn - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+{
+ Column = Column & 0xff;
+ Row = Row & 0xff;
+ MaxColumn = MaxColumn & 0xff;
+ WriteCrtc (
+ VgaClassDev,
+ CRTC_CURSOR_LOCATION_HIGH,
+ (UINT8) ((Row * MaxColumn + Column) >> 8)
+ );
+ WriteCrtc (
+ VgaClassDev,
+ CRTC_CURSOR_LOCATION_LOW,
+ (UINT8) ((Row * MaxColumn + Column) & 0xff)
+ );
+}
+
+STATIC
+VOID
+WriteCrtc (
+ IN VGA_CLASS_DEV *VgaClassDev,
+ IN UINT16 Address,
+ IN UINT8 Data
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ VgaClassDev - GC_TODO: add argument description
+ Address - GC_TODO: add argument description
+ Data - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+{
+ VgaClassDev->PciIo->Io.Write (
+ VgaClassDev->PciIo,
+ EfiPciIoWidthUint8,
+ VgaClassDev->VgaMiniPort->CrtcAddressRegisterBar,
+ VgaClassDev->VgaMiniPort->CrtcAddressRegisterOffset,
+ 1,
+ &Address
+ );
+
+ VgaClassDev->PciIo->Io.Write (
+ VgaClassDev->PciIo,
+ EfiPciIoWidthUint8,
+ VgaClassDev->VgaMiniPort->CrtcDataRegisterBar,
+ VgaClassDev->VgaMiniPort->CrtcDataRegisterOffset,
+ 1,
+ &Data
+ );
+}
+
+STATIC
+BOOLEAN
+LibIsValidTextGraphics (
+ IN CHAR16 Graphic,
+ OUT CHAR8 *PcAnsi, OPTIONAL
+ OUT CHAR8 *Ascii OPTIONAL
+ )
+/*++
+
+Routine Description:
+
+ Detects if a Unicode char is for Box Drawing text graphics.
+
+Arguments:
+
+ Grphic - Unicode char to test.
+
+ PcAnsi - Optional pointer to return PCANSI equivalent of Graphic.
+
+ Asci - Optional pointer to return Ascii equivalent of Graphic.
+
+Returns:
+
+ TRUE if Gpaphic is a supported Unicode Box Drawing character.
+
+--*/
+// GC_TODO: Graphic - add argument and description to function comment
+{
+ UNICODE_TO_CHAR *Table;
+
+ if ((((Graphic & 0xff00) != 0x2500) && ((Graphic & 0xff00) != 0x2100))) {
+ //
+ // Unicode drawing code charts are all in the 0x25xx range,
+ // arrows are 0x21xx
+ //
+ return FALSE;
+ }
+
+ for (Table = UnicodeToPcAnsiOrAscii; Table->Unicode != 0x0000; Table++) {
+ if (Graphic == Table->Unicode) {
+ if (PcAnsi) {
+ *PcAnsi = Table->PcAnsi;
+ }
+
+ if (Ascii) {
+ *Ascii = Table->Ascii;
+ }
+
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+STATIC
+BOOLEAN
+IsValidAscii (
+ IN CHAR16 Ascii
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Ascii - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+{
+ if ((Ascii >= 0x20) && (Ascii <= 0x7f)) {
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+STATIC
+BOOLEAN
+IsValidEfiCntlChar (
+ IN CHAR16 c
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ c - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+{
+ if (c == CHAR_NULL || c == CHAR_BACKSPACE || c == CHAR_LINEFEED || c == CHAR_CARRIAGE_RETURN) {
+ return TRUE;
+ }
+
+ return FALSE;
+}
+//*** AMI PORTING BEGIN ***//
+#endif //if INT10_SIMPLE_TEXT_SUPPORT==1
+//*** AMI PORTING END *****// \ No newline at end of file
diff --git a/Core/EM/CSM/thunk/CsmVideo/VgaClass.h b/Core/EM/CSM/thunk/CsmVideo/VgaClass.h
new file mode 100644
index 0000000..fd184de
--- /dev/null
+++ b/Core/EM/CSM/thunk/CsmVideo/VgaClass.h
@@ -0,0 +1,418 @@
+//**********************************************************************
+//**********************************************************************
+//** **
+//** (C)Copyright 1985-2013, American Megatrends, Inc. **
+//** **
+//** All Rights Reserved. **
+//** **
+//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 **
+//** **
+//** Phone: (770)-246-8600 **
+//** **
+//**********************************************************************
+//**********************************************************************
+
+//
+// This file contains a 'Sample Driver' and is licensed as such
+// under the terms of your license agreement with Intel or your
+// vendor. This file may be modified by the user, subject to
+// the additional terms of the license agreement
+//
+/*++
+
+Copyright (c) 1999 - 2002 Intel Corporation. All rights reserved
+This software and associated documentation (if any) is furnished
+under a license and may only be used or copied in accordance
+with the terms of the license. Except as permitted by such
+license, no part of this software or documentation may be
+reproduced, stored in a retrieval system, or transmitted in any
+form or by any means without the express written consent of
+Intel Corporation.
+
+
+Module Name:
+
+ VgaClass.h
+
+Abstract:
+
+
+Revision History
+--*/
+
+#ifndef _VGA_CLASS_H
+#define _VGA_CLASS_H
+
+//*** AMI PORTING BEGIN ***//
+#include "AmiMapping.h"
+//#include "Tiano.h"
+//#include "EfiDriverLib.h"
+//*** AMI PORTING END *****//
+#include "Pci22.h"
+//*** AMI PORTING BEGIN ***//
+//#include "EfiStatusCode.h"
+//#include "EfiCompNameSupport.h"
+//#include "ComponentName.h"
+//*** AMI PORTING END *****//
+
+//
+// Driver Consumed Protocol Prototypes
+//
+#include EFI_PROTOCOL_DEFINITION (DevicePath)
+#include EFI_PROTOCOL_DEFINITION (PciIo)
+//*** AMI PORTING BEGIN ***//
+//#include EFI_PROTOCOL_DEFINITION (VgaMiniPort)
+#include "VgaMiniPort.h"
+//*** AMI PORTING END *****//
+#include EFI_PROTOCOL_DEFINITION (SimpleTextIn)
+//*** AMI PORTING BEGIN ***//
+//#include EFI_GUID_DEFINITION (StatusCodeCallerId)
+//#include EFI_GUID_DEFINITION (StatusCodeDataTypeId)
+//*** AMI PORTING END *****//
+
+//
+// Driver Produced Protocol Prototypes
+//
+#include EFI_PROTOCOL_DEFINITION (DriverBinding)
+#include EFI_PROTOCOL_DEFINITION (SimpleTextOut)
+
+//
+// VGA specific registers
+//
+#define CRTC_CURSOR_START 0xA
+#define CRTC_CURSOR_END 0xB
+
+#define CRTC_CURSOR_LOCATION_HIGH 0xE
+#define CRTC_CURSOR_LOCATION_LOW 0xF
+
+#define EFI_MAX_ATTRIBUTE 0x7f
+
+//
+// VGA Class Device Structure
+//
+#define VGA_CLASS_DEV_SIGNATURE EFI_SIGNATURE_32 ('V', 'G', 'A', 'C')
+
+typedef struct {
+ UINTN Signature;
+ EFI_HANDLE Handle;
+ EFI_SIMPLE_TEXT_OUT_PROTOCOL SimpleTextOut;
+ EFI_SIMPLE_TEXT_OUTPUT_MODE SimpleTextOutputMode;
+ EFI_VGA_MINI_PORT_PROTOCOL *VgaMiniPort;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+} VGA_CLASS_DEV;
+
+#define VGA_CLASS_DEV_FROM_THIS(a) CR (a, VGA_CLASS_DEV, SimpleTextOut, VGA_CLASS_DEV_SIGNATURE)
+
+//
+// Global Variables
+//
+extern EFI_DRIVER_BINDING_PROTOCOL gVgaClassDriverBinding;
+
+//
+// Driver Binding Protocol functions
+//
+EFI_STATUS
+EFIAPI
+VgaClassDriverBindingSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ Controller - GC_TODO: add argument description
+ RemainingDevicePath - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+VgaClassDriverBindingStart (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ Controller - GC_TODO: add argument description
+ RemainingDevicePath - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+VgaClassDriverBindingStop (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ Controller - GC_TODO: add argument description
+ NumberOfChildren - GC_TODO: add argument description
+ ChildHandleBuffer - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+//
+// Simple Text Output Protocol functions
+//
+EFI_STATUS
+EFIAPI
+VgaClassReset (
+ IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,
+ IN BOOLEAN ExtendedVerification
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ ExtendedVerification - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+VgaClassOutputString (
+ IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,
+ IN CHAR16 *WString
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ WString - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+VgaClassTestString (
+ IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,
+ IN CHAR16 *WString
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ WString - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+VgaClassClearScreen (
+ IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+VgaClassSetAttribute (
+ IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,
+ IN UINTN Attribute
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ Attribute - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+VgaClassSetCursorPosition (
+ IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,
+ IN UINTN Column,
+ IN UINTN Row
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ Column - GC_TODO: add argument description
+ Row - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+VgaClassEnableCursor (
+ IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,
+ IN BOOLEAN Visible
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ Visible - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+VgaClassQueryMode (
+ IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,
+ IN UINTN ModeNumber,
+ OUT UINTN *Columns,
+ OUT UINTN *Rows
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ ModeNumber - GC_TODO: add argument description
+ Columns - GC_TODO: add argument description
+ Rows - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+VgaClassSetMode (
+ IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,
+ IN UINTN ModeNumber
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ ModeNumber - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+#endif
diff --git a/Core/EM/CSM/thunk/CsmVideo/VgaMiniPort.h b/Core/EM/CSM/thunk/CsmVideo/VgaMiniPort.h
new file mode 100644
index 0000000..e21a894
--- /dev/null
+++ b/Core/EM/CSM/thunk/CsmVideo/VgaMiniPort.h
@@ -0,0 +1,78 @@
+//
+// This file contains 'Framework Code' and is licensed as such
+// under the terms of your license agreement with Intel or your
+// vendor. This file may not be modified, except as allowed by
+// additional terms of your license agreement.
+//
+/*++
+
+Copyright (c) 1999 - 2002 Intel Corporation. All rights reserved
+This software and associated documentation (if any) is furnished
+under a license and may only be used or copied in accordance
+with the terms of the license. Except as permitted by such
+license, no part of this software or documentation may be
+reproduced, stored in a retrieval system, or transmitted in any
+form or by any means without the express written consent of
+Intel Corporation.
+
+
+Module Name:
+
+ VgaMiniPort.h
+
+Abstract:
+
+ Vga Mini port binding for a VGA controller
+
+Revision History
+
+--*/
+
+#ifndef _VGA_MINI_PORT_H
+#define _VGA_MINI_PORT_H
+
+#define EFI_VGA_MINI_PORT_PROTOCOL_GUID \
+ { \
+ 0xc7735a2f, 0x88f5, 0x4882, 0xae, 0x63, 0xfa, 0xac, 0x8c, 0x8b, 0x86, 0xb3 \
+ }
+
+EFI_FORWARD_DECLARATION (EFI_VGA_MINI_PORT_PROTOCOL);
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_VGA_MINI_PORT_SET_MODE) (
+ IN EFI_VGA_MINI_PORT_PROTOCOL * This,
+ IN UINTN ModeNumber
+ );
+
+/*++
+
+ Routine Description:
+ Sets the text display mode of a VGA controller
+
+ Arguments:
+ This - Protocol instance pointer.
+ Mode - Mode number. 0 - 80x25 1-80x50
+
+ Returns:
+ EFI_SUCCESS - The mode was set
+ EFI_DEVICE_ERROR - The device is not functioning properly.
+
+--*/
+typedef struct _EFI_VGA_MINI_PORT_PROTOCOL {
+ EFI_VGA_MINI_PORT_SET_MODE SetMode;
+
+ UINT64 VgaMemoryOffset;
+ UINT64 CrtcAddressRegisterOffset;
+ UINT64 CrtcDataRegisterOffset;
+
+ UINT8 VgaMemoryBar;
+ UINT8 CrtcAddressRegisterBar;
+ UINT8 CrtcDataRegisterBar;
+
+ UINT8 MaxMode;
+} EFI_VGA_MINI_PORT_PROTOCOL;
+
+extern EFI_GUID gEfiVgaMiniPortProtocolGuid;
+
+#endif
diff --git a/Core/EM/CSM/thunk/CsmVideo/pci22.h b/Core/EM/CSM/thunk/CsmVideo/pci22.h
new file mode 100644
index 0000000..1c8ccd0
--- /dev/null
+++ b/Core/EM/CSM/thunk/CsmVideo/pci22.h
@@ -0,0 +1,621 @@
+//**********************************************************************
+//**********************************************************************
+//** **
+//** (C)Copyright 1985-2013, American Megatrends, Inc. **
+//** **
+//** All Rights Reserved. **
+//** **
+//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 **
+//** **
+//** Phone: (770)-246-8600 **
+//** **
+//**********************************************************************
+//**********************************************************************
+
+/*++
+
+Copyright (c) 2004 - 2006, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+Module Name:
+
+ pci22.h
+
+Abstract:
+ Support for PCI 2.2 standard.
+
+Revision History
+
+--*/
+
+#ifndef _PCI22_H
+#define _PCI22_H
+
+#define PCI_MAX_SEGMENT 0
+
+#define PCI_MAX_BUS 255
+
+#define PCI_MAX_DEVICE 31
+#define PCI_MAX_FUNC 7
+
+//
+// Command
+//
+#define PCI_VGA_PALETTE_SNOOP_DISABLED 0x20
+
+#pragma pack(push, 1)
+typedef struct {
+ UINT16 VendorId;
+ UINT16 DeviceId;
+ UINT16 Command;
+ UINT16 Status;
+ UINT8 RevisionID;
+ UINT8 ClassCode[3];
+ UINT8 CacheLineSize;
+ UINT8 LatencyTimer;
+ UINT8 HeaderType;
+ UINT8 BIST;
+} PCI_DEVICE_INDEPENDENT_REGION;
+
+typedef struct {
+ UINT32 Bar[6];
+ UINT32 CISPtr;
+ UINT16 SubsystemVendorID;
+ UINT16 SubsystemID;
+ UINT32 ExpansionRomBar;
+ UINT8 CapabilityPtr;
+ UINT8 Reserved1[3];
+ UINT32 Reserved2;
+ UINT8 InterruptLine;
+ UINT8 InterruptPin;
+ UINT8 MinGnt;
+ UINT8 MaxLat;
+} PCI_DEVICE_HEADER_TYPE_REGION;
+
+typedef struct {
+ PCI_DEVICE_INDEPENDENT_REGION Hdr;
+ PCI_DEVICE_HEADER_TYPE_REGION Device;
+} PCI_TYPE00;
+
+typedef struct {
+ UINT32 Bar[2];
+ UINT8 PrimaryBus;
+ UINT8 SecondaryBus;
+ UINT8 SubordinateBus;
+ UINT8 SecondaryLatencyTimer;
+ UINT8 IoBase;
+ UINT8 IoLimit;
+ UINT16 SecondaryStatus;
+ UINT16 MemoryBase;
+ UINT16 MemoryLimit;
+ UINT16 PrefetchableMemoryBase;
+ UINT16 PrefetchableMemoryLimit;
+ UINT32 PrefetchableBaseUpper32;
+ UINT32 PrefetchableLimitUpper32;
+ UINT16 IoBaseUpper16;
+ UINT16 IoLimitUpper16;
+ UINT8 CapabilityPtr;
+ UINT8 Reserved[3];
+ UINT32 ExpansionRomBAR;
+ UINT8 InterruptLine;
+ UINT8 InterruptPin;
+ UINT16 BridgeControl;
+} PCI_BRIDGE_CONTROL_REGISTER;
+
+typedef struct {
+ PCI_DEVICE_INDEPENDENT_REGION Hdr;
+ PCI_BRIDGE_CONTROL_REGISTER Bridge;
+} PCI_TYPE01;
+
+typedef union {
+ PCI_TYPE00 Device;
+ PCI_TYPE01 Bridge;
+} PCI_TYPE_GENERIC;
+
+typedef struct {
+ UINT32 CardBusSocketReg; // Cardus Socket/ExCA Base
+ // Address Register
+ //
+ UINT16 Reserved;
+ UINT16 SecondaryStatus; // Secondary Status
+ UINT8 PciBusNumber; // PCI Bus Number
+ UINT8 CardBusBusNumber; // CardBus Bus Number
+ UINT8 SubordinateBusNumber; // Subordinate Bus Number
+ UINT8 CardBusLatencyTimer; // CardBus Latency Timer
+ UINT32 MemoryBase0; // Memory Base Register 0
+ UINT32 MemoryLimit0; // Memory Limit Register 0
+ UINT32 MemoryBase1;
+ UINT32 MemoryLimit1;
+ UINT32 IoBase0;
+ UINT32 IoLimit0; // I/O Base Register 0
+ UINT32 IoBase1; // I/O Limit Register 0
+ UINT32 IoLimit1;
+ UINT8 InterruptLine; // Interrupt Line
+ UINT8 InterruptPin; // Interrupt Pin
+ UINT16 BridgeControl; // Bridge Control
+} PCI_CARDBUS_CONTROL_REGISTER;
+
+//
+// Definitions of PCI class bytes and manipulation macros.
+//
+#define PCI_CLASS_OLD 0x00
+#define PCI_CLASS_OLD_OTHER 0x00
+#define PCI_CLASS_OLD_VGA 0x01
+
+#define PCI_CLASS_MASS_STORAGE 0x01
+#define PCI_CLASS_MASS_STORAGE_SCSI 0x00
+#define PCI_CLASS_MASS_STORAGE_IDE 0x01 // obsolete
+#define PCI_CLASS_IDE 0x01
+#define PCI_CLASS_MASS_STORAGE_FLOPPY 0x02
+#define PCI_CLASS_MASS_STORAGE_IPI 0x03
+#define PCI_CLASS_MASS_STORAGE_RAID 0x04
+#define PCI_CLASS_MASS_STORAGE_OTHER 0x80
+
+#define PCI_CLASS_NETWORK 0x02
+#define PCI_CLASS_NETWORK_ETHERNET 0x00
+#define PCI_CLASS_ETHERNET 0x00 // obsolete
+#define PCI_CLASS_NETWORK_TOKENRING 0x01
+#define PCI_CLASS_NETWORK_FDDI 0x02
+#define PCI_CLASS_NETWORK_ATM 0x03
+#define PCI_CLASS_NETWORK_ISDN 0x04
+#define PCI_CLASS_NETWORK_OTHER 0x80
+
+#define PCI_CLASS_DISPLAY 0x03
+#define PCI_CLASS_DISPLAY_CTRL 0x03 // obsolete
+#define PCI_CLASS_DISPLAY_VGA 0x00
+#define PCI_CLASS_VGA 0x00 // obsolete
+#define PCI_CLASS_DISPLAY_XGA 0x01
+#define PCI_CLASS_DISPLAY_3D 0x02
+#define PCI_CLASS_DISPLAY_OTHER 0x80
+#define PCI_CLASS_DISPLAY_GFX 0x80
+#define PCI_CLASS_GFX 0x80 // obsolete
+#define PCI_CLASS_BRIDGE 0x06
+#define PCI_CLASS_BRIDGE_HOST 0x00
+#define PCI_CLASS_BRIDGE_ISA 0x01
+#define PCI_CLASS_ISA 0x01 // obsolete
+#define PCI_CLASS_BRIDGE_EISA 0x02
+#define PCI_CLASS_BRIDGE_MCA 0x03
+#define PCI_CLASS_BRIDGE_P2P 0x04
+#define PCI_CLASS_BRIDGE_PCMCIA 0x05
+#define PCI_CLASS_BRIDGE_NUBUS 0x06
+#define PCI_CLASS_BRIDGE_CARDBUS 0x07
+#define PCI_CLASS_BRIDGE_RACEWAY 0x08
+#define PCI_CLASS_BRIDGE_ISA_PDECODE 0x80
+#define PCI_CLASS_ISA_POSITIVE_DECODE 0x80 // obsolete
+
+#define PCI_CLASS_SCC 0x07 // Simple communications controllers
+#define PCI_SUBCLASS_SERIAL 0x00
+#define PCI_IF_GENERIC_XT 0x00
+#define PCI_IF_16450 0x01
+#define PCI_IF_16550 0x02
+#define PCI_IF_16650 0x03
+#define PCI_IF_16750 0x04
+#define PCI_IF_16850 0x05
+#define PCI_IF_16950 0x06
+#define PCI_SUBCLASS_PARALLEL 0x01
+#define PCI_IF_PARALLEL_PORT 0x00
+#define PCI_IF_BI_DIR_PARALLEL_PORT 0x01
+#define PCI_IF_ECP_PARALLEL_PORT 0x02
+#define PCI_IF_1284_CONTROLLER 0x03
+#define PCI_IF_1284_DEVICE 0xFE
+#define PCI_SUBCLASS_MULTIPORT_SERIAL 0x02
+#define PCI_SUBCLASS_MODEM 0x03
+#define PCI_IF_GENERIC_MODEM 0x00
+#define PCI_IF_16450_MODEM 0x01
+#define PCI_IF_16550_MODEM 0x02
+#define PCI_IF_16650_MODEM 0x03
+#define PCI_IF_16750_MODEM 0x04
+#define PCI_SUBCLASS_OTHER 0x80
+
+#define PCI_CLASS_SYSTEM_PERIPHERAL 0x08
+#define PCI_SUBCLASS_PIC 0x00
+#define PCI_IF_8259_PIC 0x00
+#define PCI_IF_ISA_PIC 0x01
+#define PCI_IF_EISA_PIC 0x02
+#define PCI_IF_APIC_CONTROLLER 0x10 // I/O APIC interrupt controller , 32 bye none-prefectable memory.
+#define PCI_IF_APIC_CONTROLLER2 0x20
+#define PCI_SUBCLASS_TIMER 0x02
+#define PCI_IF_8254_TIMER 0x00
+#define PCI_IF_ISA_TIMER 0x01
+#define PCI_EISA_TIMER 0x02
+#define PCI_SUBCLASS_RTC 0x03
+#define PCI_IF_GENERIC_RTC 0x00
+#define PCI_IF_ISA_RTC 0x00
+#define PCI_SUBCLASS_PNP_CONTROLLER 0x04 // HotPlug Controller
+
+#define PCI_CLASS_INPUT_DEVICE 0x09
+#define PCI_SUBCLASS_KEYBOARD 0x00
+#define PCI_SUBCLASS_PEN 0x01
+#define PCI_SUBCLASS_MOUSE_CONTROLLER 0x02
+#define PCI_SUBCLASS_SCAN_CONTROLLER 0x03
+#define PCI_SUBCLASS_GAMEPORT 0x04
+
+#define PCI_CLASS_DOCKING_STATION 0x0A
+
+#define PCI_CLASS_PROCESSOR 0x0B
+#define PCI_SUBCLASS_PROC_386 0x00
+#define PCI_SUBCLASS_PROC_486 0x01
+#define PCI_SUBCLASS_PROC_PENTIUM 0x02
+#define PCI_SUBCLASS_PROC_ALPHA 0x10
+#define PCI_SUBCLASS_PROC_POWERPC 0x20
+#define PCI_SUBCLASS_PROC_MIPS 0x30
+#define PCI_SUBCLASS_PROC_CO_PORC 0x40 // Co-Processor
+
+#define PCI_CLASS_SERIAL 0x0C
+#define PCI_CLASS_SERIAL_FIREWIRE 0x00
+#define PCI_CLASS_SERIAL_ACCESS_BUS 0x01
+#define PCI_CLASS_SERIAL_SSA 0x02
+#define PCI_CLASS_SERIAL_USB 0x03
+#define PCI_CLASS_SERIAL_FIBRECHANNEL 0x04
+#define PCI_CLASS_SERIAL_SMB 0x05
+
+#define PCI_CLASS_WIRELESS 0x0D
+#define PCI_SUBCLASS_IRDA 0x00
+#define PCI_SUBCLASS_IR 0x01
+#define PCI_SUBCLASS_RF 0x02
+
+#define PCI_CLASS_INTELLIGENT_IO 0x0E
+
+#define PCI_CLASS_SATELLITE 0x0F
+#define PCI_SUBCLASS_TV 0x01
+#define PCI_SUBCLASS_AUDIO 0x02
+#define PCI_SUBCLASS_VOICE 0x03
+#define PCI_SUBCLASS_DATA 0x04
+
+#define PCI_SECURITY_CONTROLLER 0x10 // Encryption and decryption controller
+#define PCI_SUBCLASS_NET_COMPUT 0x00
+#define PCI_SUBCLASS_ENTERTAINMENT 0x10
+
+#define PCI_CLASS_DPIO 0x11
+
+#define IS_CLASS1(_p, c) ((_p)->Hdr.ClassCode[2] == (c))
+#define IS_CLASS2(_p, c, s) (IS_CLASS1 (_p, c) && ((_p)->Hdr.ClassCode[1] == (s)))
+#define IS_CLASS3(_p, c, s, p) (IS_CLASS2 (_p, c, s) && ((_p)->Hdr.ClassCode[0] == (p)))
+
+#define IS_PCI_DISPLAY(_p) IS_CLASS1 (_p, PCI_CLASS_DISPLAY)
+#define IS_PCI_VGA(_p) IS_CLASS3 (_p, PCI_CLASS_DISPLAY, PCI_CLASS_DISPLAY_VGA, 0)
+#define IS_PCI_8514(_p) IS_CLASS3 (_p, PCI_CLASS_DISPLAY, PCI_CLASS_DISPLAY_VGA, 1)
+#define IS_PCI_GFX(_p) IS_CLASS3 (_p, PCI_CLASS_DISPLAY, PCI_CLASS_DISPLAY_GFX, 0)
+#define IS_PCI_OLD(_p) IS_CLASS1 (_p, PCI_CLASS_OLD)
+#define IS_PCI_OLD_VGA(_p) IS_CLASS2 (_p, PCI_CLASS_OLD, PCI_CLASS_OLD_VGA)
+#define IS_PCI_IDE(_p) IS_CLASS2 (_p, PCI_CLASS_MASS_STORAGE, PCI_CLASS_MASS_STORAGE_IDE)
+#define IS_PCI_SCSI(_p) IS_CLASS3 (_p, PCI_CLASS_MASS_STORAGE, PCI_CLASS_MASS_STORAGE_SCSI, 0)
+#define IS_PCI_RAID(_p) IS_CLASS3 (_p, PCI_CLASS_MASS_STORAGE, PCI_CLASS_MASS_STORAGE_RAID, 0)
+#define IS_PCI_LPC(_p) IS_CLASS3 (_p, PCI_CLASS_BRIDGE, PCI_CLASS_BRIDGE_ISA, 0)
+#define IS_PCI_P2P(_p) IS_CLASS3 (_p, PCI_CLASS_BRIDGE, PCI_CLASS_BRIDGE_P2P, 0)
+#define IS_PCI_P2P_SUB(_p) IS_CLASS3 (_p, PCI_CLASS_BRIDGE, PCI_CLASS_BRIDGE_P2P, 1)
+#define IS_PCI_USB(_p) IS_CLASS2 (_p, PCI_CLASS_SERIAL, PCI_CLASS_SERIAL_USB)
+
+#define HEADER_TYPE_DEVICE 0x00
+#define HEADER_TYPE_PCI_TO_PCI_BRIDGE 0x01
+#define HEADER_TYPE_CARDBUS_BRIDGE 0x02
+
+#define HEADER_TYPE_MULTI_FUNCTION 0x80
+#define HEADER_LAYOUT_CODE 0x7f
+
+#define IS_PCI_BRIDGE(_p) (((_p)->Hdr.HeaderType & HEADER_LAYOUT_CODE) == (HEADER_TYPE_PCI_TO_PCI_BRIDGE))
+#define IS_CARDBUS_BRIDGE(_p) (((_p)->Hdr.HeaderType & HEADER_LAYOUT_CODE) == (HEADER_TYPE_CARDBUS_BRIDGE))
+#define IS_PCI_MULTI_FUNC(_p) ((_p)->Hdr.HeaderType & HEADER_TYPE_MULTI_FUNCTION)
+
+#define PCI_DEVICE_ROMBAR 0x30
+#define PCI_BRIDGE_ROMBAR 0x38
+
+#define PCI_MAX_BAR 0x0006
+#define PCI_MAX_CONFIG_OFFSET 0x0100
+
+#define PCI_VENDOR_ID_OFFSET 0x00
+#define PCI_DEVICE_ID_OFFSET 0x02
+#define PCI_COMMAND_OFFSET 0x04
+#define PCI_PRIMARY_STATUS_OFFSET 0x06
+#define PCI_REVISION_ID_OFFSET 0x08
+#define PCI_CLASSCODE_OFFSET 0x09
+#define PCI_CACHELINE_SIZE_OFFSET 0x0C
+#define PCI_LATENCY_TIMER_OFFSET 0x0D
+#define PCI_HEADER_TYPE_OFFSET 0x0E
+#define PCI_BIST_OFFSET 0x0F
+#define PCI_BASE_ADDRESSREG_OFFSET 0x10
+#define PCI_CARDBUS_CIS_OFFSET 0x28
+#define PCI_SVID_OFFSET 0x2C // SubSystem Vendor id
+#define PCI_SUBSYSTEM_VENDOR_ID_OFFSET 0x2C
+#define PCI_SID_OFFSET 0x2E // SubSystem ID
+#define PCI_SUBSYSTEM_ID_OFFSET 0x2E
+#define PCI_EXPANSION_ROM_BASE 0x30
+#define PCI_CAPBILITY_POINTER_OFFSET 0x34
+#define PCI_INT_LINE_OFFSET 0x3C // Interrupt Line Register
+#define PCI_INT_PIN_OFFSET 0x3D // Interrupt Pin Register
+#define PCI_MAXGNT_OFFSET 0x3E // Max Grant Register
+#define PCI_MAXLAT_OFFSET 0x3F // Max Latency Register
+
+#define PCI_BRIDGE_CONTROL_REGISTER_OFFSET 0x3E
+#define PCI_BRIDGE_STATUS_REGISTER_OFFSET 0x1E
+
+#define PCI_BRIDGE_PRIMARY_BUS_REGISTER_OFFSET 0x18
+#define PCI_BRIDGE_SECONDARY_BUS_REGISTER_OFFSET 0x19
+#define PCI_BRIDGE_SUBORDINATE_BUS_REGISTER_OFFSET 0x1a
+
+typedef struct {
+ UINT32 Reg : 8;
+ UINT32 Func : 3;
+ UINT32 Dev : 5;
+ UINT32 Bus : 8;
+ UINT32 Reserved : 7;
+ UINT32 Enable : 1;
+} PCI_CONFIG_ACCESS_CF8;
+
+#pragma pack()
+
+#define PCI_EXPANSION_ROM_HEADER_SIGNATURE 0xaa55
+#define PCI_DATA_STRUCTURE_SIGNATURE EFI_SIGNATURE_32 ('P', 'C', 'I', 'R')
+#define PCI_CODE_TYPE_PCAT_IMAGE 0x00
+#define PCI_CODE_TYPE_EFI_IMAGE 0x03
+#define EFI_PCI_EXPANSION_ROM_HEADER_COMPRESSED 0x0001
+
+#define EFI_PCI_COMMAND_IO_SPACE 0x0001
+#define EFI_PCI_COMMAND_MEMORY_SPACE 0x0002
+#define EFI_PCI_COMMAND_BUS_MASTER 0x0004
+#define EFI_PCI_COMMAND_SPECIAL_CYCLE 0x0008
+#define EFI_PCI_COMMAND_MEMORY_WRITE_AND_INVALIDATE 0x0010
+#define EFI_PCI_COMMAND_VGA_PALETTE_SNOOP 0x0020
+#define EFI_PCI_COMMAND_PARITY_ERROR_RESPOND 0x0040
+#define EFI_PCI_COMMAND_STEPPING_CONTROL 0x0080
+#define EFI_PCI_COMMAND_SERR 0x0100
+#define EFI_PCI_COMMAND_FAST_BACK_TO_BACK 0x0200
+
+#define EFI_PCI_BRIDGE_CONTROL_PARITY_ERROR_RESPONSE 0x0001
+#define EFI_PCI_BRIDGE_CONTROL_SERR 0x0002
+#define EFI_PCI_BRIDGE_CONTROL_ISA 0x0004
+#define EFI_PCI_BRIDGE_CONTROL_VGA 0x0008
+#define EFI_PCI_BRIDGE_CONTROL_VGA_16 0x0010
+#define EFI_PCI_BRIDGE_CONTROL_MASTER_ABORT 0x0020
+#define EFI_PCI_BRIDGE_CONTROL_RESET_SECONDARY_BUS 0x0040
+#define EFI_PCI_BRIDGE_CONTROL_FAST_BACK_TO_BACK 0x0080
+#define EFI_PCI_BRIDGE_CONTROL_PRIMARY_DISCARD_TIMER 0x0100
+#define EFI_PCI_BRIDGE_CONTROL_SECONDARY_DISCARD_TIMER 0x0200
+#define EFI_PCI_BRIDGE_CONTROL_TIMER_STATUS 0x0400
+#define EFI_PCI_BRIDGE_CONTROL_DISCARD_TIMER_SERR 0x0800
+
+//
+// Following are the PCI-CARDBUS bridge control bit
+//
+#define EFI_PCI_BRIDGE_CONTROL_IREQINT_ENABLE 0x0080
+#define EFI_PCI_BRIDGE_CONTROL_RANGE0_MEMORY_TYPE 0x0100
+#define EFI_PCI_BRIDGE_CONTROL_RANGE1_MEMORY_TYPE 0x0200
+#define EFI_PCI_BRIDGE_CONTROL_WRITE_POSTING_ENABLE 0x0400
+
+//
+// Following are the PCI status control bit
+//
+#define EFI_PCI_STATUS_CAPABILITY 0x0010
+#define EFI_PCI_STATUS_66MZ_CAPABLE 0x0020
+#define EFI_PCI_FAST_BACK_TO_BACK_CAPABLE 0x0080
+#define EFI_PCI_MASTER_DATA_PARITY_ERROR 0x0100
+
+#define EFI_PCI_CAPABILITY_PTR 0x34
+#define EFI_PCI_CARDBUS_BRIDGE_CAPABILITY_PTR 0x14
+
+#pragma pack(1)
+typedef struct {
+ UINT16 Signature; // 0xaa55
+ UINT8 Reserved[0x16];
+ UINT16 PcirOffset;
+} PCI_EXPANSION_ROM_HEADER;
+
+typedef struct {
+ UINT16 Signature; // 0xaa55
+ UINT8 Size512;
+ UINT8 InitEntryPoint[3];
+ UINT8 Reserved[0x12];
+ UINT16 PcirOffset;
+} EFI_LEGACY_EXPANSION_ROM_HEADER;
+
+typedef struct {
+ UINT32 Signature; // "PCIR"
+ UINT16 VendorId;
+ UINT16 DeviceId;
+ UINT16 Reserved0;
+ UINT16 Length;
+ UINT8 Revision;
+ UINT8 ClassCode[3];
+ UINT16 ImageLength;
+ UINT16 CodeRevision;
+ UINT8 CodeType;
+ UINT8 Indicator;
+ UINT16 Reserved1;
+} PCI_DATA_STRUCTURE;
+
+//
+// PCI Capability List IDs and records
+//
+#define EFI_PCI_CAPABILITY_ID_PMI 0x01
+#define EFI_PCI_CAPABILITY_ID_AGP 0x02
+#define EFI_PCI_CAPABILITY_ID_VPD 0x03
+#define EFI_PCI_CAPABILITY_ID_SLOTID 0x04
+#define EFI_PCI_CAPABILITY_ID_MSI 0x05
+#define EFI_PCI_CAPABILITY_ID_HOTPLUG 0x06
+#define EFI_PCI_CAPABILITY_ID_PCIX 0x07
+
+typedef struct {
+ UINT8 CapabilityID;
+ UINT8 NextItemPtr;
+} EFI_PCI_CAPABILITY_HDR;
+
+//
+// Capability EFI_PCI_CAPABILITY_ID_PMI
+//
+typedef struct {
+ EFI_PCI_CAPABILITY_HDR Hdr;
+ UINT16 PMC;
+ UINT16 PMCSR;
+ UINT8 BridgeExtention;
+ UINT8 Data;
+} EFI_PCI_CAPABILITY_PMI;
+
+//
+// Capability EFI_PCI_CAPABILITY_ID_AGP
+//
+typedef struct {
+ EFI_PCI_CAPABILITY_HDR Hdr;
+ UINT8 Rev;
+ UINT8 Reserved;
+ UINT32 Status;
+ UINT32 Command;
+} EFI_PCI_CAPABILITY_AGP;
+
+//
+// Capability EFI_PCI_CAPABILITY_ID_VPD
+//
+typedef struct {
+ EFI_PCI_CAPABILITY_HDR Hdr;
+ UINT16 AddrReg;
+ UINT32 DataReg;
+} EFI_PCI_CAPABILITY_VPD;
+
+//
+// Capability EFI_PCI_CAPABILITY_ID_SLOTID
+//
+typedef struct {
+ EFI_PCI_CAPABILITY_HDR Hdr;
+ UINT8 ExpnsSlotReg;
+ UINT8 ChassisNo;
+} EFI_PCI_CAPABILITY_SLOTID;
+
+//
+// Capability EFI_PCI_CAPABILITY_ID_MSI
+//
+typedef struct {
+ EFI_PCI_CAPABILITY_HDR Hdr;
+ UINT16 MsgCtrlReg;
+ UINT32 MsgAddrReg;
+ UINT16 MsgDataReg;
+} EFI_PCI_CAPABILITY_MSI32;
+
+typedef struct {
+ EFI_PCI_CAPABILITY_HDR Hdr;
+ UINT16 MsgCtrlReg;
+ UINT32 MsgAddrRegLsdw;
+ UINT32 MsgAddrRegMsdw;
+ UINT16 MsgDataReg;
+} EFI_PCI_CAPABILITY_MSI64;
+
+//
+// Capability EFI_PCI_CAPABILITY_ID_HOTPLUG
+//
+typedef struct {
+ EFI_PCI_CAPABILITY_HDR Hdr;
+ //
+ // not finished - fields need to go here
+ //
+} EFI_PCI_CAPABILITY_HOTPLUG;
+
+//
+// Capability EFI_PCI_CAPABILITY_ID_PCIX
+//
+typedef struct {
+ EFI_PCI_CAPABILITY_HDR Hdr;
+ UINT16 CommandReg;
+ UINT32 StatusReg;
+} EFI_PCI_CAPABILITY_PCIX;
+
+typedef struct {
+ EFI_PCI_CAPABILITY_HDR Hdr;
+ UINT16 SecStatusReg;
+ UINT32 StatusReg;
+ UINT32 SplitTransCtrlRegUp;
+ UINT32 SplitTransCtrlRegDn;
+} EFI_PCI_CAPABILITY_PCIX_BRDG;
+
+#define DEVICE_ID_NOCARE 0xFFFF
+
+#define PCI_ACPI_UNUSED 0
+#define PCI_BAR_NOCHANGE 0
+#define PCI_BAR_OLD_ALIGN 0xFFFFFFFFFFFFFFFF
+#define PCI_BAR_EVEN_ALIGN 0xFFFFFFFFFFFFFFFE
+#define PCI_BAR_SQUAD_ALIGN 0xFFFFFFFFFFFFFFFD
+#define PCI_BAR_DQUAD_ALIGN 0xFFFFFFFFFFFFFFFC
+
+#define PCI_BAR_IDX0 0x00
+#define PCI_BAR_IDX1 0x01
+#define PCI_BAR_IDX2 0x02
+#define PCI_BAR_IDX3 0x03
+#define PCI_BAR_IDX4 0x04
+#define PCI_BAR_IDX5 0x05
+#define PCI_BAR_ALL 0xFF
+
+#pragma pack(pop)
+
+//
+// NOTE: The following header files are included here for
+// compatibility consideration.
+//
+//*** AMI PORTING BEGIN ***//
+//Include content
+//#include "pci23.h"
+#define PCI_EXP_MAX_CONFIG_OFFSET 0x1000
+#define EFI_PCI_CAPABILITY_ID_PCIEXP 0x10
+
+//#include "pci30.h"
+#define PCI_CLASS_MASS_STORAGE_SATADPA 0x06
+
+#pragma pack(push, 1)
+
+typedef struct {
+ UINT32 Signature; // "PCIR"
+ UINT16 VendorId;
+ UINT16 DeviceId;
+ UINT16 DeviceListOffset;
+ UINT16 Length;
+ UINT8 Revision;
+ UINT8 ClassCode[3];
+ UINT16 ImageLength;
+ UINT16 CodeRevision;
+ UINT8 CodeType;
+ UINT8 Indicator;
+ UINT16 MaxRuntimeImageLength;
+ UINT16 ConfigUtilityCodeHeaderOffset;
+ UINT16 DMTFCLPEntryPointOffset;
+} PCI_3_0_DATA_STRUCTURE;
+
+#pragma pack(pop)
+
+//#include "EfiPci.h"
+#pragma pack(push, 1)
+
+typedef struct {
+ UINT8 Register;
+ UINT8 Function;
+ UINT8 Device;
+ UINT8 Bus;
+ UINT8 Reserved[4];
+} DEFIO_PCI_ADDR;
+
+#define EFI_ROOT_BRIDGE_LIST 'eprb'
+#define EFI_PCI_EXPANSION_ROM_HEADER_EFISIGNATURE 0x0EF1
+
+typedef struct {
+ UINT16 Signature; // 0xaa55
+ UINT16 InitializationSize;
+ UINT32 EfiSignature; // 0x0EF1
+ UINT16 EfiSubsystem;
+ UINT16 EfiMachineType;
+ UINT16 CompressionType;
+ UINT8 Reserved[8];
+ UINT16 EfiImageHeaderOffset;
+ UINT16 PcirOffset;
+} EFI_PCI_EXPANSION_ROM_HEADER;
+
+typedef union {
+ UINT8 *Raw;
+ PCI_EXPANSION_ROM_HEADER *Generic;
+ EFI_PCI_EXPANSION_ROM_HEADER *Efi;
+ EFI_LEGACY_EXPANSION_ROM_HEADER *PcAt;
+} EFI_PCI_ROM_HEADER;
+
+#pragma pack(pop)
+//*** AMI PORTING END *****//
+#endif