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-rw-r--r--MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/ComponentName.c352
-rw-r--r--MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c1872
-rw-r--r--MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdTextIn.c683
-rw-r--r--MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.c647
-rw-r--r--MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.h551
-rw-r--r--MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KeyboardDxe.inf84
-rw-r--r--MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KeyboardDxe.uni23
-rw-r--r--MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KeyboardDxeExtra.uni20
-rw-r--r--MdeModulePkg/Include/Protocol/Ps2Policy.h41
-rw-r--r--MdeModulePkg/MdeModulePkg.dec8
-rw-r--r--MdeModulePkg/MdeModulePkg.dsc1
11 files changed, 4282 insertions, 0 deletions
diff --git a/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/ComponentName.c b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/ComponentName.c
new file mode 100644
index 0000000..e64e46b
--- /dev/null
+++ b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/ComponentName.c
@@ -0,0 +1,352 @@
+/** @file
+ Routines related Component Name protocol.
+
+Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
+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.
+
+**/
+
+#include "Ps2Keyboard.h"
+
+//
+// EFI Component Name Functions
+//
+/**
+ Retrieves a Unicode string that is the user readable name of the driver.
+
+ This function retrieves the user readable name of a driver in the form of a
+ Unicode string. If the driver specified by This has a user readable name in
+ the language specified by Language, then a pointer to the driver name is
+ returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
+ by This does not support the language specified by Language,
+ then EFI_UNSUPPORTED is returned.
+
+ @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+ EFI_COMPONENT_NAME_PROTOCOL instance.
+
+ @param Language[in] A pointer to a Null-terminated ASCII string
+ array indicating the language. This is the
+ language of the driver name 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. Language is specified
+ in RFC 4646 or ISO 639-2 language code format.
+
+ @param DriverName[out] 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.
+
+ @retval EFI_SUCCESS The Unicode string for the Driver specified by
+ This and the language specified by Language was
+ returned in DriverName.
+
+ @retval EFI_INVALID_PARAMETER Language is NULL.
+
+ @retval EFI_INVALID_PARAMETER DriverName is NULL.
+
+ @retval EFI_UNSUPPORTED The driver specified by This does not support
+ the language specified by Language.
+
+**/
+EFI_STATUS
+EFIAPI
+Ps2KeyboardComponentNameGetDriverName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN CHAR8 *Language,
+ OUT CHAR16 **DriverName
+ );
+
+
+/**
+ Retrieves a Unicode string that is the user readable name of the controller
+ that is being managed by a driver.
+
+ This function retrieves the user readable name of the controller specified by
+ ControllerHandle and ChildHandle in the form of a Unicode string. If the
+ driver specified by This has a user readable name in the language specified by
+ Language, then a pointer to the controller name is returned in ControllerName,
+ and EFI_SUCCESS is returned. If the driver specified by This is not currently
+ managing the controller specified by ControllerHandle and ChildHandle,
+ then EFI_UNSUPPORTED is returned. If the driver specified by This does not
+ support the language specified by Language, then EFI_UNSUPPORTED is returned.
+
+ @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+ EFI_COMPONENT_NAME_PROTOCOL instance.
+
+ @param ControllerHandle[in] The handle of a controller that the driver
+ specified by This is managing. This handle
+ specifies the controller whose name is to be
+ returned.
+
+ @param ChildHandle[in] 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.
+
+ @param Language[in] A pointer to a Null-terminated ASCII string
+ array indicating the language. This is the
+ language of the driver name 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. Language is specified in
+ RFC 4646 or ISO 639-2 language code format.
+
+ @param ControllerName[out] 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.
+
+ @retval 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.
+
+ @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
+
+ @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
+ EFI_HANDLE.
+
+ @retval EFI_INVALID_PARAMETER Language is NULL.
+
+ @retval EFI_INVALID_PARAMETER ControllerName is NULL.
+
+ @retval EFI_UNSUPPORTED The driver specified by This is not currently
+ managing the controller specified by
+ ControllerHandle and ChildHandle.
+
+ @retval EFI_UNSUPPORTED The driver specified by This does not support
+ the language specified by Language.
+
+**/
+EFI_STATUS
+EFIAPI
+Ps2KeyboardComponentNameGetControllerName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_HANDLE ChildHandle OPTIONAL,
+ IN CHAR8 *Language,
+ OUT CHAR16 **ControllerName
+ );
+
+
+//
+// EFI Component Name Protocol
+//
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gPs2KeyboardComponentName = {
+ Ps2KeyboardComponentNameGetDriverName,
+ Ps2KeyboardComponentNameGetControllerName,
+ "eng"
+};
+
+//
+// EFI Component Name 2 Protocol
+//
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gPs2KeyboardComponentName2 = {
+ (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) Ps2KeyboardComponentNameGetDriverName,
+ (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) Ps2KeyboardComponentNameGetControllerName,
+ "en"
+};
+
+
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mPs2KeyboardDriverNameTable[] = {
+ {
+ "eng;en",
+ L"PS/2 Keyboard Driver"
+ },
+ {
+ NULL,
+ NULL
+ }
+};
+
+/**
+ Retrieves a Unicode string that is the user readable name of the driver.
+
+ This function retrieves the user readable name of a driver in the form of a
+ Unicode string. If the driver specified by This has a user readable name in
+ the language specified by Language, then a pointer to the driver name is
+ returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
+ by This does not support the language specified by Language,
+ then EFI_UNSUPPORTED is returned.
+
+ @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+ EFI_COMPONENT_NAME_PROTOCOL instance.
+
+ @param Language[in] A pointer to a Null-terminated ASCII string
+ array indicating the language. This is the
+ language of the driver name 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. Language is specified
+ in RFC 4646 or ISO 639-2 language code format.
+
+ @param DriverName[out] 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.
+
+ @retval EFI_SUCCESS The Unicode string for the Driver specified by
+ This and the language specified by Language was
+ returned in DriverName.
+
+ @retval EFI_INVALID_PARAMETER Language is NULL.
+
+ @retval EFI_INVALID_PARAMETER DriverName is NULL.
+
+ @retval EFI_UNSUPPORTED The driver specified by This does not support
+ the language specified by Language.
+
+**/
+EFI_STATUS
+EFIAPI
+Ps2KeyboardComponentNameGetDriverName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN CHAR8 *Language,
+ OUT CHAR16 **DriverName
+ )
+{
+ return LookupUnicodeString2 (
+ Language,
+ This->SupportedLanguages,
+ mPs2KeyboardDriverNameTable,
+ DriverName,
+ (BOOLEAN)(This == &gPs2KeyboardComponentName)
+ );
+}
+
+/**
+ Retrieves a Unicode string that is the user readable name of the controller
+ that is being managed by a driver.
+
+ This function retrieves the user readable name of the controller specified by
+ ControllerHandle and ChildHandle in the form of a Unicode string. If the
+ driver specified by This has a user readable name in the language specified by
+ Language, then a pointer to the controller name is returned in ControllerName,
+ and EFI_SUCCESS is returned. If the driver specified by This is not currently
+ managing the controller specified by ControllerHandle and ChildHandle,
+ then EFI_UNSUPPORTED is returned. If the driver specified by This does not
+ support the language specified by Language, then EFI_UNSUPPORTED is returned.
+
+ @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+ EFI_COMPONENT_NAME_PROTOCOL instance.
+
+ @param ControllerHandle[in] The handle of a controller that the driver
+ specified by This is managing. This handle
+ specifies the controller whose name is to be
+ returned.
+
+ @param ChildHandle[in] 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.
+
+ @param Language[in] A pointer to a Null-terminated ASCII string
+ array indicating the language. This is the
+ language of the driver name 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. Language is specified in
+ RFC 4646 or ISO 639-2 language code format.
+
+ @param ControllerName[out] 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.
+
+ @retval 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.
+
+ @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
+
+ @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
+ EFI_HANDLE.
+
+ @retval EFI_INVALID_PARAMETER Language is NULL.
+
+ @retval EFI_INVALID_PARAMETER ControllerName is NULL.
+
+ @retval EFI_UNSUPPORTED The driver specified by This is not currently
+ managing the controller specified by
+ ControllerHandle and ChildHandle.
+
+ @retval EFI_UNSUPPORTED The driver specified by This does not support
+ the language specified by Language.
+
+**/
+EFI_STATUS
+EFIAPI
+Ps2KeyboardComponentNameGetControllerName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_HANDLE ChildHandle OPTIONAL,
+ IN CHAR8 *Language,
+ OUT CHAR16 **ControllerName
+ )
+{
+ EFI_STATUS Status;
+ EFI_SIMPLE_TEXT_INPUT_PROTOCOL *ConIn;
+ KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;
+ //
+ // This is a device driver, so ChildHandle must be NULL.
+ //
+ if (ChildHandle != NULL) {
+ return EFI_UNSUPPORTED;
+ }
+
+ //
+ // Check Controller's handle
+ //
+ Status = EfiTestManagedDevice (ControllerHandle, gKeyboardControllerDriver.DriverBindingHandle, &gEfiSioProtocolGuid);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Get the device context
+ //
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiSimpleTextInProtocolGuid,
+ (VOID **) &ConIn,
+ gKeyboardControllerDriver.DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ ConsoleIn = KEYBOARD_CONSOLE_IN_DEV_FROM_THIS (ConIn);
+
+ return LookupUnicodeString2 (
+ Language,
+ This->SupportedLanguages,
+ ConsoleIn->ControllerNameTable,
+ ControllerName,
+ (BOOLEAN)(This == &gPs2KeyboardComponentName)
+ );
+}
diff --git a/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c
new file mode 100644
index 0000000..4f064f7
--- /dev/null
+++ b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c
@@ -0,0 +1,1872 @@
+/** @file
+ Routines that access 8042 keyboard controller
+
+Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
+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.
+
+**/
+
+#include "Ps2Keyboard.h"
+
+struct {
+ UINT8 ScanCode; ///< follows value defined in Scan Code Set1
+ UINT16 EfiScanCode;
+ CHAR16 UnicodeChar;
+ CHAR16 ShiftUnicodeChar;
+}
+ConvertKeyboardScanCodeToEfiKey[] = {
+
+ {
+ 0x01, // Escape
+ SCAN_ESC,
+ 0x0000,
+ 0x0000
+ },
+ {
+ 0x02,
+ SCAN_NULL,
+ L'1',
+ L'!'
+ },
+ {
+ 0x03,
+ SCAN_NULL,
+ L'2',
+ L'@'
+ },
+ {
+ 0x04,
+ SCAN_NULL,
+ L'3',
+ L'#'
+ },
+ {
+ 0x05,
+ SCAN_NULL,
+ L'4',
+ L'$'
+ },
+ {
+ 0x06,
+ SCAN_NULL,
+ L'5',
+ L'%'
+ },
+ {
+ 0x07,
+ SCAN_NULL,
+ L'6',
+ L'^'
+ },
+ {
+ 0x08,
+ SCAN_NULL,
+ L'7',
+ L'&'
+ },
+ {
+ 0x09,
+ SCAN_NULL,
+ L'8',
+ L'*'
+ },
+ {
+ 0x0A,
+ SCAN_NULL,
+ L'9',
+ L'('
+ },
+ {
+ 0x0B,
+ SCAN_NULL,
+ L'0',
+ L')'
+ },
+ {
+ 0x0C,
+ SCAN_NULL,
+ L'-',
+ L'_'
+ },
+ {
+ 0x0D,
+ SCAN_NULL,
+ L'=',
+ L'+'
+ },
+ {
+ 0x0E, // BackSpace
+ SCAN_NULL,
+ 0x0008,
+ 0x0008
+ },
+ {
+ 0x0F, // Tab
+ SCAN_NULL,
+ 0x0009,
+ 0x0009
+ },
+ {
+ 0x10,
+ SCAN_NULL,
+ L'q',
+ L'Q'
+ },
+ {
+ 0x11,
+ SCAN_NULL,
+ L'w',
+ L'W'
+ },
+ {
+ 0x12,
+ SCAN_NULL,
+ L'e',
+ L'E'
+ },
+ {
+ 0x13,
+ SCAN_NULL,
+ L'r',
+ L'R'
+ },
+ {
+ 0x14,
+ SCAN_NULL,
+ L't',
+ L'T'
+ },
+ {
+ 0x15,
+ SCAN_NULL,
+ L'y',
+ L'Y'
+ },
+ {
+ 0x16,
+ SCAN_NULL,
+ L'u',
+ L'U'
+ },
+ {
+ 0x17,
+ SCAN_NULL,
+ L'i',
+ L'I'
+ },
+ {
+ 0x18,
+ SCAN_NULL,
+ L'o',
+ L'O'
+ },
+ {
+ 0x19,
+ SCAN_NULL,
+ L'p',
+ L'P'
+ },
+ {
+ 0x1a,
+ SCAN_NULL,
+ L'[',
+ L'{'
+ },
+ {
+ 0x1b,
+ SCAN_NULL,
+ L']',
+ L'}'
+ },
+ {
+ 0x1c, // Enter
+ SCAN_NULL,
+ 0x000d,
+ 0x000d
+ },
+ {
+ 0x1d,
+ SCAN_NULL,
+ 0x0000,
+ 0x0000
+ },
+ {
+ 0x1e,
+ SCAN_NULL,
+ L'a',
+ L'A'
+ },
+ {
+ 0x1f,
+ SCAN_NULL,
+ L's',
+ L'S'
+ },
+ {
+ 0x20,
+ SCAN_NULL,
+ L'd',
+ L'D'
+ },
+ {
+ 0x21,
+ SCAN_NULL,
+ L'f',
+ L'F'
+ },
+ {
+ 0x22,
+ SCAN_NULL,
+ L'g',
+ L'G'
+ },
+ {
+ 0x23,
+ SCAN_NULL,
+ L'h',
+ L'H'
+ },
+ {
+ 0x24,
+ SCAN_NULL,
+ L'j',
+ L'J'
+ },
+ {
+ 0x25,
+ SCAN_NULL,
+ L'k',
+ L'K'
+ },
+ {
+ 0x26,
+ SCAN_NULL,
+ L'l',
+ L'L'
+ },
+ {
+ 0x27,
+ SCAN_NULL,
+ L';',
+ L':'
+ },
+ {
+ 0x28,
+ SCAN_NULL,
+ L'\'',
+ L'"'
+ },
+ {
+ 0x29,
+ SCAN_NULL,
+ L'`',
+ L'~'
+ },
+ {
+ 0x2a, // Left Shift
+ SCAN_NULL,
+ 0x0000,
+ 0x0000
+ },
+ {
+ 0x2b,
+ SCAN_NULL,
+ L'\\',
+ L'|'
+ },
+ {
+ 0x2c,
+ SCAN_NULL,
+ L'z',
+ L'Z'
+ },
+ {
+ 0x2d,
+ SCAN_NULL,
+ L'x',
+ L'X'
+ },
+ {
+ 0x2e,
+ SCAN_NULL,
+ L'c',
+ L'C'
+ },
+ {
+ 0x2f,
+ SCAN_NULL,
+ L'v',
+ L'V'
+ },
+ {
+ 0x30,
+ SCAN_NULL,
+ L'b',
+ L'B'
+ },
+ {
+ 0x31,
+ SCAN_NULL,
+ L'n',
+ L'N'
+ },
+ {
+ 0x32,
+ SCAN_NULL,
+ L'm',
+ L'M'
+ },
+ {
+ 0x33,
+ SCAN_NULL,
+ L',',
+ L'<'
+ },
+ {
+ 0x34,
+ SCAN_NULL,
+ L'.',
+ L'>'
+ },
+ {
+ 0x35,
+ SCAN_NULL,
+ L'/',
+ L'?'
+ },
+ {
+ 0x36, //Right Shift
+ SCAN_NULL,
+ 0x0000,
+ 0x0000
+ },
+ {
+ 0x37, // Numeric Keypad *
+ SCAN_NULL,
+ L'*',
+ L'*'
+ },
+ {
+ 0x38, //Left Alt/Extended Right Alt
+ SCAN_NULL,
+ 0x0000,
+ 0x0000
+ },
+ {
+ 0x39,
+ SCAN_NULL,
+ L' ',
+ L' '
+ },
+ {
+ 0x3A, //CapsLock
+ SCAN_NULL,
+ 0x0000,
+ 0x0000
+ },
+ {
+ 0x3B,
+ SCAN_F1,
+ 0x0000,
+ 0x0000
+ },
+ {
+ 0x3C,
+ SCAN_F2,
+ 0x0000,
+ 0x0000
+ },
+ {
+ 0x3D,
+ SCAN_F3,
+ 0x0000,
+ 0x0000
+ },
+ {
+ 0x3E,
+ SCAN_F4,
+ 0x0000,
+ 0x0000
+ },
+ {
+ 0x3F,
+ SCAN_F5,
+ 0x0000,
+ 0x0000
+ },
+ {
+ 0x40,
+ SCAN_F6,
+ 0x0000,
+ 0x0000
+ },
+ {
+ 0x41,
+ SCAN_F7,
+ 0x0000,
+ 0x0000
+ },
+ {
+ 0x42,
+ SCAN_F8,
+ 0x0000,
+ 0x0000
+ },
+ {
+ 0x43,
+ SCAN_F9,
+ 0x0000,
+ 0x0000
+ },
+ {
+ 0x44,
+ SCAN_F10,
+ 0x0000,
+ 0x0000
+ },
+ {
+ 0x45, // NumLock
+ SCAN_NULL,
+ 0x0000,
+ 0x0000
+ },
+ {
+ 0x46, // ScrollLock
+ SCAN_NULL,
+ 0x0000,
+ 0x0000
+ },
+ {
+ 0x47,
+ SCAN_HOME,
+ L'7',
+ L'7'
+ },
+ {
+ 0x48,
+ SCAN_UP,
+ L'8',
+ L'8'
+ },
+ {
+ 0x49,
+ SCAN_PAGE_UP,
+ L'9',
+ L'9'
+ },
+ {
+ 0x4a,
+ SCAN_NULL,
+ L'-',
+ L'-'
+ },
+ {
+ 0x4b,
+ SCAN_LEFT,
+ L'4',
+ L'4'
+ },
+ {
+ 0x4c, // Numeric Keypad 5
+ SCAN_NULL,
+ L'5',
+ L'5'
+ },
+ {
+ 0x4d,
+ SCAN_RIGHT,
+ L'6',
+ L'6'
+ },
+ {
+ 0x4e,
+ SCAN_NULL,
+ L'+',
+ L'+'
+ },
+ {
+ 0x4f,
+ SCAN_END,
+ L'1',
+ L'1'
+ },
+ {
+ 0x50,
+ SCAN_DOWN,
+ L'2',
+ L'2'
+ },
+ {
+ 0x51,
+ SCAN_PAGE_DOWN,
+ L'3',
+ L'3'
+ },
+ {
+ 0x52,
+ SCAN_INSERT,
+ L'0',
+ L'0'
+ },
+ {
+ 0x53,
+ SCAN_DELETE,
+ L'.',
+ L'.'
+ },
+ {
+ 0x57,
+ SCAN_F11,
+ 0x0000,
+ 0x0000
+ },
+ {
+ 0x58,
+ SCAN_F12,
+ 0x0000,
+ 0x0000
+ },
+ {
+ 0x5B, //Left LOGO
+ SCAN_NULL,
+ 0x0000,
+ 0x0000
+ },
+ {
+ 0x5C, //Right LOGO
+ SCAN_NULL,
+ 0x0000,
+ 0x0000
+ },
+ {
+ 0x5D, //Menu key
+ SCAN_NULL,
+ 0x0000,
+ 0x0000
+ },
+ {
+ TABLE_END,
+ TABLE_END,
+ SCAN_NULL,
+ SCAN_NULL
+ },
+};
+
+//
+// The WaitForValue time out
+//
+UINTN mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;
+
+BOOLEAN mEnableMouseInterface;
+
+
+
+/**
+ Return the count of scancode in the queue.
+
+ @param Queue Pointer to instance of SCAN_CODE_QUEUE.
+
+ @return Count of the scancode.
+**/
+UINTN
+GetScancodeBufCount (
+ IN SCAN_CODE_QUEUE *Queue
+ )
+{
+ if (Queue->Head <= Queue->Tail) {
+ return Queue->Tail - Queue->Head;
+ } else {
+ return Queue->Tail + KEYBOARD_SCAN_CODE_MAX_COUNT - Queue->Head;
+ }
+}
+
+/**
+ Read several bytes from the scancode buffer without removing them.
+ This function is called to see if there are enough bytes of scancode
+ representing a single key.
+
+ @param Queue Pointer to instance of SCAN_CODE_QUEUE.
+ @param Count Number of bytes to be read
+ @param Buf Store the results
+
+ @retval EFI_SUCCESS success to scan the keyboard code
+ @retval EFI_NOT_READY invalid parameter
+**/
+EFI_STATUS
+GetScancodeBufHead (
+ IN SCAN_CODE_QUEUE *Queue,
+ IN UINTN Count,
+ OUT UINT8 *Buf
+ )
+{
+ UINTN Index;
+ UINTN Pos;
+
+ //
+ // check the valid range of parameter 'Count'
+ //
+ if (GetScancodeBufCount (Queue) < Count) {
+ return EFI_NOT_READY;
+ }
+ //
+ // retrieve the values
+ //
+ for (Index = 0, Pos = Queue->Head; Index < Count; Index++, Pos = (Pos + 1) % KEYBOARD_SCAN_CODE_MAX_COUNT) {
+ Buf[Index] = Queue->Buffer[Pos];
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+
+ Read & remove several bytes from the scancode buffer.
+ This function is usually called after GetScancodeBufHead()
+
+ @param Queue Pointer to instance of SCAN_CODE_QUEUE.
+ @param Count Number of bytes to be read
+ @param Buf Store the results
+
+ @retval EFI_SUCCESS success to scan the keyboard code
+ @retval EFI_NOT_READY invalid parameter
+**/
+EFI_STATUS
+PopScancodeBufHead (
+ IN SCAN_CODE_QUEUE *Queue,
+ IN UINTN Count,
+ OUT UINT8 *Buf OPTIONAL
+ )
+{
+ UINTN Index;
+
+ //
+ // Check the valid range of parameter 'Count'
+ //
+ if (GetScancodeBufCount (Queue) < Count) {
+ return EFI_NOT_READY;
+ }
+ //
+ // Retrieve and remove the values
+ //
+ for (Index = 0; Index < Count; Index++, Queue->Head = (Queue->Head + 1) % KEYBOARD_SCAN_CODE_MAX_COUNT) {
+ if (Buf != NULL) {
+ Buf[Index] = Queue->Buffer[Queue->Head];
+ }
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Push one byte to the scancode buffer.
+
+ @param Queue Pointer to instance of SCAN_CODE_QUEUE.
+ @param Scancode The byte to push.
+**/
+VOID
+PushScancodeBufTail (
+ IN SCAN_CODE_QUEUE *Queue,
+ IN UINT8 Scancode
+ )
+{
+ if (GetScancodeBufCount (Queue) == KEYBOARD_SCAN_CODE_MAX_COUNT - 1) {
+ PopScancodeBufHead (Queue, 1, NULL);
+ }
+
+ Queue->Buffer[Queue->Tail] = Scancode;
+ Queue->Tail = (Queue->Tail + 1) % KEYBOARD_SCAN_CODE_MAX_COUNT;
+}
+
+/**
+ Read data register .
+
+ @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV
+
+ @return return the value
+
+**/
+UINT8
+KeyReadDataRegister (
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
+ )
+
+{
+ return IoRead8 (ConsoleIn->DataRegisterAddress);
+}
+
+/**
+ Write data register.
+
+ @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV
+ @param Data value wanted to be written
+
+**/
+VOID
+KeyWriteDataRegister (
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
+ IN UINT8 Data
+ )
+{
+ IoWrite8 (ConsoleIn->DataRegisterAddress, Data);
+}
+
+/**
+ Read status register.
+
+ @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV
+
+ @return value in status register
+
+**/
+UINT8
+KeyReadStatusRegister (
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
+ )
+{
+ return IoRead8 (ConsoleIn->StatusRegisterAddress);
+}
+
+/**
+ Write command register .
+
+ @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV
+ @param Data The value wanted to be written
+
+**/
+VOID
+KeyWriteCommandRegister (
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
+ IN UINT8 Data
+ )
+{
+ IoWrite8 (ConsoleIn->CommandRegisterAddress, Data);
+}
+
+/**
+ Display error message.
+
+ @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV
+ @param ErrMsg Unicode string of error message
+
+**/
+VOID
+KeyboardError (
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
+ IN CHAR16 *ErrMsg
+ )
+{
+ ConsoleIn->KeyboardErr = TRUE;
+}
+
+/**
+ Timer event handler: read a series of scancodes from 8042
+ and put them into memory scancode buffer.
+ it read as much scancodes to either fill
+ the memory buffer or empty the keyboard buffer.
+ It is registered as running under TPL_NOTIFY
+
+ @param Event The timer event
+ @param Context A KEYBOARD_CONSOLE_IN_DEV pointer
+
+**/
+VOID
+EFIAPI
+KeyboardTimerHandler (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+
+{
+ UINT8 Data;
+ EFI_TPL OldTpl;
+ KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;
+
+ ConsoleIn = (KEYBOARD_CONSOLE_IN_DEV *) Context;
+
+ //
+ // Enter critical section
+ //
+ OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
+
+ if (((KEYBOARD_CONSOLE_IN_DEV *) Context)->KeyboardErr) {
+ //
+ // Leave critical section and return
+ //
+ gBS->RestoreTPL (OldTpl);
+ return ;
+ }
+
+ //
+ // To let KB driver support Hot plug, here should skip the 'resend' command for the case that
+ // KB is not connected to system. If KB is not connected to system, driver will find there's something
+ // error in the following code and wait for the input buffer empty, this waiting time shoulb be short enough since
+ // this is a NOTIFY TPL period function, or the system performance will degrade hardly when KB is not connected.
+ // Just skip the 'resend' process simply.
+ //
+
+ while ((KeyReadStatusRegister (ConsoleIn) & (KEYBOARD_STATUS_REGISTER_TRANSMIT_TIMEOUT|KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA)) ==
+ KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA
+ ) {
+ //
+ // Read one byte of the scan code and store it into the memory buffer
+ //
+ Data = KeyReadDataRegister (ConsoleIn);
+ PushScancodeBufTail (&ConsoleIn->ScancodeQueue, Data);
+ }
+ KeyGetchar (ConsoleIn);
+
+ //
+ // Leave critical section and return
+ //
+ gBS->RestoreTPL (OldTpl);
+}
+
+/**
+ Read key value .
+
+ @param ConsoleIn - Pointer to instance of KEYBOARD_CONSOLE_IN_DEV
+ @param Data - Pointer to outof buffer for keeping key value
+
+ @retval EFI_TIMEOUT Status resigter time out
+ @retval EFI_SUCCESS Success to read keyboard
+
+**/
+EFI_STATUS
+KeyboardRead (
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
+ OUT UINT8 *Data
+ )
+
+{
+ UINT32 TimeOut;
+ UINT32 RegFilled;
+
+ TimeOut = 0;
+ RegFilled = 0;
+
+ //
+ // wait till output buffer full then perform the read
+ //
+ for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {
+ if (KeyReadStatusRegister (ConsoleIn) & KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA) {
+ RegFilled = 1;
+ *Data = KeyReadDataRegister (ConsoleIn);
+ break;
+ }
+
+ MicroSecondDelay (30);
+ }
+
+ if (RegFilled == 0) {
+ return EFI_TIMEOUT;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ write key to keyboard
+
+ @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV
+ @param Data value wanted to be written
+
+ @retval EFI_TIMEOUT The input buffer register is full for putting new value util timeout
+ @retval EFI_SUCCESS The new value is sucess put into input buffer register.
+
+**/
+EFI_STATUS
+KeyboardWrite (
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
+ IN UINT8 Data
+ )
+{
+ UINT32 TimeOut;
+ UINT32 RegEmptied;
+
+ TimeOut = 0;
+ RegEmptied = 0;
+
+ //
+ // wait for input buffer empty
+ //
+ for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {
+ if ((KeyReadStatusRegister (ConsoleIn) & 0x02) == 0) {
+ RegEmptied = 1;
+ break;
+ }
+
+ MicroSecondDelay (30);
+ }
+
+ if (RegEmptied == 0) {
+ return EFI_TIMEOUT;
+ }
+ //
+ // Write it
+ //
+ KeyWriteDataRegister (ConsoleIn, Data);
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Issue keyboard command.
+
+ @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV
+ @param Data The buff holding the command
+
+ @retval EFI_TIMEOUT Keyboard is not ready to issuing
+ @retval EFI_SUCCESS Success to issue keyboard command
+
+**/
+EFI_STATUS
+KeyboardCommand (
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
+ IN UINT8 Data
+ )
+{
+ UINT32 TimeOut;
+ UINT32 RegEmptied;
+
+ TimeOut = 0;
+ RegEmptied = 0;
+
+ //
+ // Wait For Input Buffer Empty
+ //
+ for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {
+ if ((KeyReadStatusRegister (ConsoleIn) & 0x02) == 0) {
+ RegEmptied = 1;
+ break;
+ }
+
+ MicroSecondDelay (30);
+ }
+
+ if (RegEmptied == 0) {
+ return EFI_TIMEOUT;
+ }
+ //
+ // issue the command
+ //
+ KeyWriteCommandRegister (ConsoleIn, Data);
+
+ //
+ // Wait For Input Buffer Empty again
+ //
+ RegEmptied = 0;
+ for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {
+ if ((KeyReadStatusRegister (ConsoleIn) & 0x02) == 0) {
+ RegEmptied = 1;
+ break;
+ }
+
+ MicroSecondDelay (30);
+ }
+
+ if (RegEmptied == 0) {
+ return EFI_TIMEOUT;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ wait for a specific value to be presented on
+ 8042 Data register by keyboard and then read it,
+ used in keyboard commands ack
+
+ @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV
+ @param Value the value wanted to be waited.
+
+ @retval EFI_TIMEOUT Fail to get specific value in given time
+ @retval EFI_SUCCESS Success to get specific value in given time.
+
+**/
+EFI_STATUS
+KeyboardWaitForValue (
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
+ IN UINT8 Value
+ )
+{
+ UINT8 Data;
+ UINT32 TimeOut;
+ UINT32 SumTimeOut;
+ UINT32 GotIt;
+
+ GotIt = 0;
+ TimeOut = 0;
+ SumTimeOut = 0;
+
+ //
+ // Make sure the initial value of 'Data' is different from 'Value'
+ //
+ Data = 0;
+ if (Data == Value) {
+ Data = 1;
+ }
+ //
+ // Read from 8042 (multiple times if needed)
+ // until the expected value appears
+ // use SumTimeOut to control the iteration
+ //
+ while (1) {
+ //
+ // Perform a read
+ //
+ for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {
+ if (KeyReadStatusRegister (ConsoleIn) & 0x01) {
+ Data = KeyReadDataRegister (ConsoleIn);
+ break;
+ }
+
+ MicroSecondDelay (30);
+ }
+
+ SumTimeOut += TimeOut;
+
+ if (Data == Value) {
+ GotIt = 1;
+ break;
+ }
+
+ if (SumTimeOut >= mWaitForValueTimeOut) {
+ break;
+ }
+ }
+ //
+ // Check results
+ //
+ if (GotIt == 1) {
+ return EFI_SUCCESS;
+ } else {
+ return EFI_TIMEOUT;
+ }
+
+}
+
+/**
+ Show keyboard status lights according to
+ indicators in ConsoleIn.
+
+ @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV
+
+ @return status of updating keyboard register
+
+**/
+EFI_STATUS
+UpdateStatusLights (
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
+ )
+{
+ EFI_STATUS Status;
+ UINT8 Command;
+
+ //
+ // Send keyboard command
+ //
+ Status = KeyboardWrite (ConsoleIn, 0xed);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ KeyboardWaitForValue (ConsoleIn, 0xfa);
+
+ //
+ // Light configuration
+ //
+ Command = 0;
+ if (ConsoleIn->CapsLock) {
+ Command |= 4;
+ }
+
+ if (ConsoleIn->NumLock) {
+ Command |= 2;
+ }
+
+ if (ConsoleIn->ScrollLock) {
+ Command |= 1;
+ }
+
+ Status = KeyboardWrite (ConsoleIn, Command);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ KeyboardWaitForValue (ConsoleIn, 0xfa);
+ return Status;
+}
+
+/**
+ Get scancode from scancode buffer and translate into EFI-scancode and unicode defined by EFI spec.
+
+ The function is always called in TPL_NOTIFY.
+
+ @param ConsoleIn KEYBOARD_CONSOLE_IN_DEV instance pointer
+
+**/
+VOID
+KeyGetchar (
+ IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
+ )
+{
+ EFI_STATUS Status;
+ UINT16 ScanCode;
+ BOOLEAN Extend0;
+ BOOLEAN Extend1;
+ UINTN Index;
+ EFI_KEY_DATA KeyData;
+ LIST_ENTRY *Link;
+ KEYBOARD_CONSOLE_IN_EX_NOTIFY *CurrentNotify;
+ //
+ // 3 bytes most
+ //
+ UINT8 ScancodeArr[3];
+ UINT32 ScancodeArrPos;
+
+ //
+ // Check if there are enough bytes of scancode representing a single key
+ // available in the buffer
+ //
+ while (TRUE) {
+ Extend0 = FALSE;
+ Extend1 = FALSE;
+ ScancodeArrPos = 0;
+ Status = GetScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);
+ if (EFI_ERROR (Status)) {
+ return ;
+ }
+
+ if (ScancodeArr[ScancodeArrPos] == SCANCODE_EXTENDED0) {
+ //
+ // E0 to look ahead 2 bytes
+ //
+ Extend0 = TRUE;
+ ScancodeArrPos = 1;
+ Status = GetScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);
+ if (EFI_ERROR (Status)) {
+ return ;
+ }
+ } else if (ScancodeArr[ScancodeArrPos] == SCANCODE_EXTENDED1) {
+ //
+ // E1 to look ahead 3 bytes
+ //
+ Extend1 = TRUE;
+ ScancodeArrPos = 2;
+ Status = GetScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);
+ if (EFI_ERROR (Status)) {
+ return ;
+ }
+ }
+ //
+ // if we reach this position, scancodes for a key is in buffer now,pop them
+ //
+ Status = PopScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // store the last available byte, this byte of scancode will be checked
+ //
+ ScanCode = ScancodeArr[ScancodeArrPos];
+
+ if (!Extend1) {
+ //
+ // Check for special keys and update the driver state.
+ //
+ switch (ScanCode) {
+
+ case SCANCODE_CTRL_MAKE:
+ if (Extend0) {
+ ConsoleIn->RightCtrl = TRUE;
+ } else {
+ ConsoleIn->LeftCtrl = TRUE;
+ }
+ break;
+ case SCANCODE_CTRL_BREAK:
+ if (Extend0) {
+ ConsoleIn->RightCtrl = FALSE;
+ } else {
+ ConsoleIn->LeftCtrl = FALSE;
+ }
+ break;
+
+ case SCANCODE_ALT_MAKE:
+ if (Extend0) {
+ ConsoleIn->RightAlt = TRUE;
+ } else {
+ ConsoleIn->LeftAlt = TRUE;
+ }
+ break;
+ case SCANCODE_ALT_BREAK:
+ if (Extend0) {
+ ConsoleIn->RightAlt = FALSE;
+ } else {
+ ConsoleIn->LeftAlt = FALSE;
+ }
+ break;
+
+ case SCANCODE_LEFT_SHIFT_MAKE:
+ //
+ // To avoid recognize PRNT_SCRN key as a L_SHIFT key
+ // because PRNT_SCRN key generates E0 followed by L_SHIFT scan code.
+ // If it the second byte of the PRNT_ScRN skip it.
+ //
+ if (!Extend0) {
+ ConsoleIn->LeftShift = TRUE;
+ break;
+ }
+ continue;
+
+ case SCANCODE_LEFT_SHIFT_BREAK:
+ if (!Extend0) {
+ ConsoleIn->LeftShift = FALSE;
+ }
+ break;
+
+ case SCANCODE_RIGHT_SHIFT_MAKE:
+ ConsoleIn->RightShift = TRUE;
+ break;
+ case SCANCODE_RIGHT_SHIFT_BREAK:
+ ConsoleIn->RightShift = FALSE;
+ break;
+
+ case SCANCODE_LEFT_LOGO_MAKE:
+ ConsoleIn->LeftLogo = TRUE;
+ break;
+ case SCANCODE_LEFT_LOGO_BREAK:
+ ConsoleIn->LeftLogo = FALSE;
+ break;
+
+ case SCANCODE_RIGHT_LOGO_MAKE:
+ ConsoleIn->RightLogo = TRUE;
+ break;
+ case SCANCODE_RIGHT_LOGO_BREAK:
+ ConsoleIn->RightLogo = FALSE;
+ break;
+
+ case SCANCODE_MENU_MAKE:
+ ConsoleIn->Menu = TRUE;
+ break;
+ case SCANCODE_MENU_BREAK:
+ ConsoleIn->Menu = FALSE;
+ break;
+
+ case SCANCODE_SYS_REQ_MAKE:
+ if (Extend0) {
+ ConsoleIn->SysReq = TRUE;
+ }
+ break;
+ case SCANCODE_SYS_REQ_BREAK:
+ if (Extend0) {
+ ConsoleIn->SysReq = FALSE;
+ }
+ break;
+
+ case SCANCODE_SYS_REQ_MAKE_WITH_ALT:
+ ConsoleIn->SysReq = TRUE;
+ break;
+ case SCANCODE_SYS_REQ_BREAK_WITH_ALT:
+ ConsoleIn->SysReq = FALSE;
+ break;
+
+ case SCANCODE_CAPS_LOCK_MAKE:
+ ConsoleIn->CapsLock = (BOOLEAN)!ConsoleIn->CapsLock;
+ UpdateStatusLights (ConsoleIn);
+ break;
+ case SCANCODE_NUM_LOCK_MAKE:
+ ConsoleIn->NumLock = (BOOLEAN)!ConsoleIn->NumLock;
+ UpdateStatusLights (ConsoleIn);
+ break;
+ case SCANCODE_SCROLL_LOCK_MAKE:
+ if (!Extend0) {
+ ConsoleIn->ScrollLock = (BOOLEAN)!ConsoleIn->ScrollLock;
+ UpdateStatusLights (ConsoleIn);
+ }
+ break;
+ }
+ }
+
+ //
+ // If this is above the valid range, ignore it
+ //
+ if (ScanCode >= SCANCODE_MAX_MAKE) {
+ continue;
+ } else {
+ break;
+ }
+ }
+
+ //
+ // Handle Ctrl+Alt+Del hotkey
+ //
+ if ((ConsoleIn->LeftCtrl || ConsoleIn->RightCtrl) &&
+ (ConsoleIn->LeftAlt || ConsoleIn->RightAlt ) &&
+ ScanCode == SCANCODE_DELETE_MAKE
+ ) {
+ gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);
+ }
+
+ //
+ // Save the Shift/Toggle state
+ //
+ KeyData.KeyState.KeyShiftState = (UINT32) (EFI_SHIFT_STATE_VALID
+ | (ConsoleIn->LeftCtrl ? EFI_LEFT_CONTROL_PRESSED : 0)
+ | (ConsoleIn->RightCtrl ? EFI_RIGHT_CONTROL_PRESSED : 0)
+ | (ConsoleIn->LeftAlt ? EFI_LEFT_ALT_PRESSED : 0)
+ | (ConsoleIn->RightAlt ? EFI_RIGHT_ALT_PRESSED : 0)
+ | (ConsoleIn->LeftShift ? EFI_LEFT_SHIFT_PRESSED : 0)
+ | (ConsoleIn->RightShift ? EFI_RIGHT_SHIFT_PRESSED : 0)
+ | (ConsoleIn->LeftLogo ? EFI_LEFT_LOGO_PRESSED : 0)
+ | (ConsoleIn->RightLogo ? EFI_RIGHT_LOGO_PRESSED : 0)
+ | (ConsoleIn->Menu ? EFI_MENU_KEY_PRESSED : 0)
+ | (ConsoleIn->SysReq ? EFI_SYS_REQ_PRESSED : 0)
+ );
+ KeyData.KeyState.KeyToggleState = (EFI_KEY_TOGGLE_STATE) (EFI_TOGGLE_STATE_VALID
+ | (ConsoleIn->CapsLock ? EFI_CAPS_LOCK_ACTIVE : 0)
+ | (ConsoleIn->NumLock ? EFI_NUM_LOCK_ACTIVE : 0)
+ | (ConsoleIn->ScrollLock ? EFI_SCROLL_LOCK_ACTIVE : 0)
+ | (ConsoleIn->IsSupportPartialKey ? EFI_KEY_STATE_EXPOSED : 0)
+ );
+
+ KeyData.Key.ScanCode = SCAN_NULL;
+ KeyData.Key.UnicodeChar = CHAR_NULL;
+
+ //
+ // Key Pad "/" shares the same scancode as that of "/" except Key Pad "/" has E0 prefix
+ //
+ if (Extend0 && ScanCode == 0x35) {
+ KeyData.Key.UnicodeChar = L'/';
+ KeyData.Key.ScanCode = SCAN_NULL;
+
+ //
+ // PAUSE shares the same scancode as that of NUM except PAUSE has E1 prefix
+ //
+ } else if (Extend1 && ScanCode == SCANCODE_NUM_LOCK_MAKE) {
+ KeyData.Key.UnicodeChar = CHAR_NULL;
+ KeyData.Key.ScanCode = SCAN_PAUSE;
+
+ //
+ // PAUSE shares the same scancode as that of SCROLL except PAUSE (CTRL pressed) has E0 prefix
+ //
+ } else if (Extend0 && ScanCode == SCANCODE_SCROLL_LOCK_MAKE) {
+ KeyData.Key.UnicodeChar = CHAR_NULL;
+ KeyData.Key.ScanCode = SCAN_PAUSE;
+
+ //
+ // PRNT_SCRN shares the same scancode as that of Key Pad "*" except PRNT_SCRN has E0 prefix
+ //
+ } else if (Extend0 && ScanCode == SCANCODE_SYS_REQ_MAKE) {
+ KeyData.Key.UnicodeChar = CHAR_NULL;
+ KeyData.Key.ScanCode = SCAN_NULL;
+
+ //
+ // Except the above special case, all others can be handled by convert table
+ //
+ } else {
+ for (Index = 0; ConvertKeyboardScanCodeToEfiKey[Index].ScanCode != TABLE_END; Index++) {
+ if (ScanCode == ConvertKeyboardScanCodeToEfiKey[Index].ScanCode) {
+ KeyData.Key.ScanCode = ConvertKeyboardScanCodeToEfiKey[Index].EfiScanCode;
+ KeyData.Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].UnicodeChar;
+
+ if ((ConsoleIn->LeftShift || ConsoleIn->RightShift) &&
+ (ConvertKeyboardScanCodeToEfiKey[Index].UnicodeChar != ConvertKeyboardScanCodeToEfiKey[Index].ShiftUnicodeChar)) {
+ KeyData.Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].ShiftUnicodeChar;
+ //
+ // Need not return associated shift state if a class of printable characters that
+ // are normally adjusted by shift modifiers. e.g. Shift Key + 'f' key = 'F'
+ //
+ KeyData.KeyState.KeyShiftState &= ~(EFI_LEFT_SHIFT_PRESSED | EFI_RIGHT_SHIFT_PRESSED);
+ }
+ //
+ // alphabetic key is affected by CapsLock State
+ //
+ if (ConsoleIn->CapsLock) {
+ if (KeyData.Key.UnicodeChar >= L'a' && KeyData.Key.UnicodeChar <= L'z') {
+ KeyData.Key.UnicodeChar = (UINT16) (KeyData.Key.UnicodeChar - L'a' + L'A');
+ } else if (KeyData.Key.UnicodeChar >= L'A' && KeyData.Key.UnicodeChar <= L'Z') {
+ KeyData.Key.UnicodeChar = (UINT16) (KeyData.Key.UnicodeChar - L'A' + L'a');
+ }
+ }
+ break;
+ }
+ }
+ }
+
+ //
+ // distinguish numeric key pad keys' 'up symbol' and 'down symbol'
+ //
+ if (ScanCode >= 0x47 && ScanCode <= 0x53) {
+ if (ConsoleIn->NumLock && !(ConsoleIn->LeftShift || ConsoleIn->RightShift) && !Extend0) {
+ KeyData.Key.ScanCode = SCAN_NULL;
+ } else if (ScanCode != 0x4a && ScanCode != 0x4e) {
+ KeyData.Key.UnicodeChar = CHAR_NULL;
+ }
+ }
+
+ //
+ // If the key can not be converted then just return.
+ //
+ if (KeyData.Key.ScanCode == SCAN_NULL && KeyData.Key.UnicodeChar == CHAR_NULL) {
+ if (!ConsoleIn->IsSupportPartialKey) {
+ return ;
+ }
+ }
+
+ //
+ // Invoke notification functions if exist
+ //
+ for (Link = GetFirstNode (&ConsoleIn->NotifyList); !IsNull (&ConsoleIn->NotifyList, Link); Link = GetNextNode (&ConsoleIn->NotifyList, Link)) {
+ CurrentNotify = CR (
+ Link,
+ KEYBOARD_CONSOLE_IN_EX_NOTIFY,
+ NotifyEntry,
+ KEYBOARD_CONSOLE_IN_EX_NOTIFY_SIGNATURE
+ );
+ if (IsKeyRegistered (&CurrentNotify->KeyData, &KeyData)) {
+ CurrentNotify->KeyNotificationFn (&KeyData);
+ }
+ }
+
+ PushEfikeyBufTail (&ConsoleIn->EfiKeyQueue, &KeyData);
+}
+
+/**
+ Perform 8042 controller and keyboard Initialization.
+ If ExtendedVerification is TRUE, do additional test for
+ the keyboard interface
+
+ @param ConsoleIn - KEYBOARD_CONSOLE_IN_DEV instance pointer
+ @param ExtendedVerification - indicates a thorough initialization
+
+ @retval EFI_DEVICE_ERROR Fail to init keyboard
+ @retval EFI_SUCCESS Success to init keyboard
+**/
+EFI_STATUS
+InitKeyboard (
+ IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
+ IN BOOLEAN ExtendedVerification
+ )
+{
+ EFI_STATUS Status;
+ EFI_STATUS Status1;
+ UINT8 CommandByte;
+ EFI_PS2_POLICY_PROTOCOL *Ps2Policy;
+ UINT32 TryTime;
+
+ Status = EFI_SUCCESS;
+ mEnableMouseInterface = TRUE;
+ TryTime = 0;
+
+ //
+ // Get Ps2 policy to set this
+ //
+ gBS->LocateProtocol (
+ &gEfiPs2PolicyProtocolGuid,
+ NULL,
+ (VOID **) &Ps2Policy
+ );
+
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (
+ EFI_PROGRESS_CODE,
+ EFI_PERIPHERAL_KEYBOARD | EFI_P_KEYBOARD_PC_CLEAR_BUFFER,
+ ConsoleIn->DevicePath
+ );
+
+ //
+ // Perform a read to cleanup the Status Register's
+ // output buffer full bits within MAX TRY times
+ //
+ if ((KeyReadStatusRegister (ConsoleIn) & KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA) != 0) {
+ while (!EFI_ERROR (Status) && TryTime < KEYBOARD_MAX_TRY) {
+ Status = KeyboardRead (ConsoleIn, &CommandByte);
+ TryTime ++;
+ }
+ //
+ // Exceed the max try times. The device may be error.
+ //
+ if (TryTime == KEYBOARD_MAX_TRY) {
+ Status = EFI_DEVICE_ERROR;
+ goto Done;
+ }
+ }
+ //
+ // We should disable mouse interface during the initialization process
+ // since mouse device output could block keyboard device output in the
+ // 60H port of 8042 controller.
+ //
+ // So if we are not initializing 8042 controller for the
+ // first time, we have to remember the previous mouse interface
+ // enabling state
+ //
+ // Test the system flag in to determine whether this is the first
+ // time initialization
+ //
+ if ((KeyReadStatusRegister (ConsoleIn) & KEYBOARD_STATUS_REGISTER_SYSTEM_FLAG) != 0) {
+ if (!PcdGetBool (PcdFastPS2Detection)) {
+ //
+ // 8042 controller is already setup (by myself or by mouse driver):
+ // See whether mouse interface is already enabled
+ // which determines whether we should enable it later
+ //
+ //
+ // Read the command byte of 8042 controller
+ //
+ Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_READ);
+ if (EFI_ERROR (Status)) {
+ KeyboardError (ConsoleIn, L"\n\r");
+ goto Done;
+ }
+
+ Status = KeyboardRead (ConsoleIn, &CommandByte);
+ if (EFI_ERROR (Status)) {
+ KeyboardError (ConsoleIn, L"\n\r");
+ goto Done;
+ }
+ //
+ // Test the mouse enabling bit
+ //
+ if ((CommandByte & 0x20) != 0) {
+ mEnableMouseInterface = FALSE;
+ } else {
+ mEnableMouseInterface = TRUE;
+ }
+ } else {
+ mEnableMouseInterface = FALSE;
+ }
+ } else {
+ //
+ // 8042 controller is not setup yet:
+ // 8042 controller selftest;
+ // Don't enable mouse interface later.
+ //
+ //
+ // Disable keyboard and mouse interfaces
+ //
+ if (!PcdGetBool (PcdFastPS2Detection)) {
+ Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_DISABLE_KEYBOARD_INTERFACE);
+ if (EFI_ERROR (Status)) {
+ KeyboardError (ConsoleIn, L"\n\r");
+ goto Done;
+ }
+
+ Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_DISABLE_MOUSE_INTERFACE);
+ if (EFI_ERROR (Status)) {
+ KeyboardError (ConsoleIn, L"\n\r");
+ goto Done;
+ }
+
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (
+ EFI_PROGRESS_CODE,
+ EFI_PERIPHERAL_KEYBOARD | EFI_P_KEYBOARD_PC_SELF_TEST,
+ ConsoleIn->DevicePath
+ );
+ //
+ // 8042 Controller Self Test
+ //
+ Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_CONTROLLER_SELF_TEST);
+ if (EFI_ERROR (Status)) {
+ KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");
+ goto Done;
+ }
+
+ Status = KeyboardWaitForValue (ConsoleIn, 0x55);
+ if (EFI_ERROR (Status)) {
+ KeyboardError (ConsoleIn, L"8042 controller self test failed!\n\r");
+ goto Done;
+ }
+ }
+ //
+ // Don't enable mouse interface later
+ //
+ mEnableMouseInterface = FALSE;
+
+ }
+
+ if (Ps2Policy != NULL) {
+ Ps2Policy->Ps2InitHardware (ConsoleIn->Handle);
+ }
+ //
+ // Write 8042 Command Byte, set System Flag
+ // While at the same time:
+ // 1. disable mouse interface,
+ // 2. enable kbd interface,
+ // 3. enable PC/XT kbd translation mode
+ // 4. enable mouse and kbd interrupts
+ //
+ // ( Command Byte bits:
+ // 7: Reserved
+ // 6: PC/XT translation mode
+ // 5: Disable Auxiliary device interface
+ // 4: Disable keyboard interface
+ // 3: Reserved
+ // 2: System Flag
+ // 1: Enable Auxiliary device interrupt
+ // 0: Enable Keyboard interrupt )
+ //
+ Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_WRITE);
+ if (EFI_ERROR (Status)) {
+ KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");
+ goto Done;
+ }
+
+ Status = KeyboardWrite (ConsoleIn, 0x67);
+ if (EFI_ERROR (Status)) {
+ KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");
+ goto Done;
+ }
+
+ //
+ // Clear Memory Scancode Buffer
+ //
+ ConsoleIn->ScancodeQueue.Head = 0;
+ ConsoleIn->ScancodeQueue.Tail = 0;
+ ConsoleIn->EfiKeyQueue.Head = 0;
+ ConsoleIn->EfiKeyQueue.Tail = 0;
+
+ //
+ // Reset the status indicators
+ //
+ ConsoleIn->CapsLock = FALSE;
+ ConsoleIn->NumLock = FALSE;
+ ConsoleIn->ScrollLock = FALSE;
+ ConsoleIn->LeftCtrl = FALSE;
+ ConsoleIn->RightCtrl = FALSE;
+ ConsoleIn->LeftAlt = FALSE;
+ ConsoleIn->RightAlt = FALSE;
+ ConsoleIn->LeftShift = FALSE;
+ ConsoleIn->RightShift = FALSE;
+ ConsoleIn->LeftLogo = FALSE;
+ ConsoleIn->RightLogo = FALSE;
+ ConsoleIn->Menu = FALSE;
+ ConsoleIn->SysReq = FALSE;
+
+ ConsoleIn->IsSupportPartialKey = FALSE;
+ //
+ // For reseting keyboard is not mandatory before booting OS and sometimes keyboard responses very slow,
+ // and to support KB hot plug, we need to let the InitKB succeed no matter whether there is a KB device connected
+ // to system. So we only do the real reseting for keyboard when user asks and there is a real KB connected t system,
+ // and normally during booting an OS, it's skipped.
+ //
+ if (ExtendedVerification && CheckKeyboardConnect (ConsoleIn)) {
+ //
+ // Additional verifications for keyboard interface
+ //
+ //
+ // Keyboard Interface Test
+ //
+ Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_KEYBOARD_INTERFACE_SELF_TEST);
+ if (EFI_ERROR (Status)) {
+ KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");
+ goto Done;
+ }
+
+ Status = KeyboardWaitForValue (ConsoleIn, 0x00);
+ if (EFI_ERROR (Status)) {
+ KeyboardError (
+ ConsoleIn,
+ L"Some specific value not aquired from 8042 controller!\n\r"
+ );
+ goto Done;
+ }
+ //
+ // Keyboard reset with a BAT(Basic Assurance Test)
+ //
+ Status = KeyboardWrite (ConsoleIn, KEYBOARD_8048_COMMAND_RESET);
+ if (EFI_ERROR (Status)) {
+ KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");
+ goto Done;
+ }
+
+ Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);
+ if (EFI_ERROR (Status)) {
+ KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");
+ goto Done;
+ }
+ //
+ // wait for BAT completion code
+ //
+ mWaitForValueTimeOut = KEYBOARD_BAT_TIMEOUT;
+
+ Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_BAT_SUCCESS);
+ if (EFI_ERROR (Status)) {
+ KeyboardError (ConsoleIn, L"Keyboard self test failed!\n\r");
+ goto Done;
+ }
+
+ mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;
+
+ //
+ // Set Keyboard to use Scan Code Set 2
+ //
+ Status = KeyboardWrite (ConsoleIn, KEYBOARD_8048_COMMAND_SELECT_SCAN_CODE_SET);
+ if (EFI_ERROR (Status)) {
+ KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");
+ goto Done;
+ }
+
+ Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);
+ if (EFI_ERROR (Status)) {
+ KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");
+ goto Done;
+ }
+
+ Status = KeyboardWrite (ConsoleIn, 0x02);
+ if (EFI_ERROR (Status)) {
+ KeyboardError (ConsoleIn, L"8042 controller data write error!!\n\r");
+ goto Done;
+ }
+
+ Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);
+ if (EFI_ERROR (Status)) {
+ KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");
+ goto Done;
+ }
+
+ //
+ // Clear Keyboard Scancode Buffer
+ //
+ Status = KeyboardWrite (ConsoleIn, KEYBOARD_8048_COMMAND_CLEAR_OUTPUT_DATA);
+ if (EFI_ERROR (Status)) {
+ KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");
+ goto Done;
+ }
+
+ Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);
+ if (EFI_ERROR (Status)) {
+ KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");
+ goto Done;
+ }
+ //
+ if (Ps2Policy != NULL) {
+ if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_CAPSLOCK) == EFI_KEYBOARD_CAPSLOCK) {
+ ConsoleIn->CapsLock = TRUE;
+ }
+
+ if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_NUMLOCK) == EFI_KEYBOARD_NUMLOCK) {
+ ConsoleIn->NumLock = TRUE;
+ }
+
+ if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_SCROLLLOCK) == EFI_KEYBOARD_SCROLLLOCK) {
+ ConsoleIn->ScrollLock = TRUE;
+ }
+ }
+ //
+ // Update Keyboard Lights
+ //
+ Status = UpdateStatusLights (ConsoleIn);
+ if (EFI_ERROR (Status)) {
+ KeyboardError (ConsoleIn, L"Update keyboard status lights error!\n\r");
+ goto Done;
+ }
+ }
+ //
+ // At last, we can now enable the mouse interface if appropriate
+ //
+Done:
+
+ if (mEnableMouseInterface) {
+ //
+ // Enable mouse interface
+ //
+ Status1 = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_ENABLE_MOUSE_INTERFACE);
+ if (EFI_ERROR (Status1)) {
+ KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");
+ return EFI_DEVICE_ERROR;
+ }
+ }
+
+ if (!EFI_ERROR (Status)) {
+ return EFI_SUCCESS;
+ } else {
+ return EFI_DEVICE_ERROR;
+ }
+
+}
+
+/**
+ Disable the keyboard interface of the 8042 controller.
+
+ @param ConsoleIn The device instance
+
+ @return status of issuing disable command
+
+**/
+EFI_STATUS
+DisableKeyboard (
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
+ )
+{
+ EFI_STATUS Status;
+
+ //
+ // Disable keyboard interface
+ //
+ Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_DISABLE_KEYBOARD_INTERFACE);
+ if (EFI_ERROR (Status)) {
+ KeyboardError (ConsoleIn, L"\n\r");
+ return EFI_DEVICE_ERROR;
+ }
+
+ return Status;
+}
+
+/**
+ Check whether there is Ps/2 Keyboard device in system by 0xF4 Keyboard Command
+ If Keyboard receives 0xF4, it will respond with 'ACK'. If it doesn't respond, the device
+ should not be in system.
+
+ @param[in] ConsoleIn Keyboard Private Data Structure
+
+ @retval TRUE Keyboard in System.
+ @retval FALSE Keyboard not in System.
+**/
+BOOLEAN
+EFIAPI
+CheckKeyboardConnect (
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
+ )
+{
+ EFI_STATUS Status;
+ UINTN WaitForValueTimeOutBcakup;
+
+ //
+ // enable keyboard itself and wait for its ack
+ // If can't receive ack, Keyboard should not be connected.
+ //
+ if (!PcdGetBool (PcdFastPS2Detection)) {
+ Status = KeyboardWrite (
+ ConsoleIn,
+ KEYBOARD_KBEN
+ );
+
+ if (EFI_ERROR (Status)) {
+ return FALSE;
+ }
+ //
+ // wait for 1s
+ //
+ WaitForValueTimeOutBcakup = mWaitForValueTimeOut;
+ mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;
+ Status = KeyboardWaitForValue (
+ ConsoleIn,
+ KEYBOARD_CMDECHO_ACK
+ );
+ mWaitForValueTimeOut = WaitForValueTimeOutBcakup;
+
+ if (EFI_ERROR (Status)) {
+ return FALSE;
+ }
+
+ return TRUE;
+ } else {
+ return TRUE;
+ }
+}
+
diff --git a/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdTextIn.c b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdTextIn.c
new file mode 100644
index 0000000..f6ccd95
--- /dev/null
+++ b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdTextIn.c
@@ -0,0 +1,683 @@
+/** @file
+ Routines implements SIMPLE_TEXT_IN protocol's interfaces based on 8042 interfaces
+ provided by Ps2KbdCtrller.c.
+
+Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
+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.
+
+**/
+
+
+#include "Ps2Keyboard.h"
+
+/**
+ Check whether the EFI key buffer is empty.
+
+ @param Queue Pointer to instance of EFI_KEY_QUEUE.
+
+ @retval TRUE The EFI key buffer is empty.
+ @retval FALSE The EFI key buffer isn't empty.
+**/
+BOOLEAN
+IsEfikeyBufEmpty (
+ IN EFI_KEY_QUEUE *Queue
+ )
+{
+ return (BOOLEAN) (Queue->Head == Queue->Tail);
+}
+
+/**
+ Read & remove one key data from the EFI key buffer.
+
+ @param Queue Pointer to instance of EFI_KEY_QUEUE.
+ @param KeyData Receive the key data.
+
+ @retval EFI_SUCCESS The key data is popped successfully.
+ @retval EFI_NOT_READY There is no key data available.
+**/
+EFI_STATUS
+PopEfikeyBufHead (
+ IN EFI_KEY_QUEUE *Queue,
+ OUT EFI_KEY_DATA *KeyData OPTIONAL
+ )
+{
+ if (IsEfikeyBufEmpty (Queue)) {
+ return EFI_NOT_READY;
+ }
+ //
+ // Retrieve and remove the values
+ //
+ if (KeyData != NULL) {
+ CopyMem (KeyData, &Queue->Buffer[Queue->Head], sizeof (EFI_KEY_DATA));
+ }
+ Queue->Head = (Queue->Head + 1) % KEYBOARD_EFI_KEY_MAX_COUNT;
+ return EFI_SUCCESS;
+}
+
+/**
+ Push one key data to the EFI key buffer.
+
+ @param Queue Pointer to instance of EFI_KEY_QUEUE.
+ @param KeyData The key data to push.
+**/
+VOID
+PushEfikeyBufTail (
+ IN EFI_KEY_QUEUE *Queue,
+ IN EFI_KEY_DATA *KeyData
+ )
+{
+ if ((Queue->Tail + 1) % KEYBOARD_EFI_KEY_MAX_COUNT == Queue->Head) {
+ //
+ // If Queue is full, pop the one from head.
+ //
+ PopEfikeyBufHead (Queue, NULL);
+ }
+ CopyMem (&Queue->Buffer[Queue->Tail], KeyData, sizeof (EFI_KEY_DATA));
+ Queue->Tail = (Queue->Tail + 1) % KEYBOARD_EFI_KEY_MAX_COUNT;
+}
+
+/**
+ Judge whether is a registed key
+
+ @param RegsiteredData A pointer to a buffer that is filled in with the keystroke
+ state data for the key that was registered.
+ @param InputData A pointer to a buffer that is filled in with the keystroke
+ state data for the key that was pressed.
+
+ @retval TRUE Key be pressed matches a registered key.
+ @retval FLASE Match failed.
+
+**/
+BOOLEAN
+IsKeyRegistered (
+ IN EFI_KEY_DATA *RegsiteredData,
+ IN EFI_KEY_DATA *InputData
+ )
+
+{
+ ASSERT (RegsiteredData != NULL && InputData != NULL);
+
+ if ((RegsiteredData->Key.ScanCode != InputData->Key.ScanCode) ||
+ (RegsiteredData->Key.UnicodeChar != InputData->Key.UnicodeChar)) {
+ return FALSE;
+ }
+
+ //
+ // Assume KeyShiftState/KeyToggleState = 0 in Registered key data means these state could be ignored.
+ //
+ if (RegsiteredData->KeyState.KeyShiftState != 0 &&
+ RegsiteredData->KeyState.KeyShiftState != InputData->KeyState.KeyShiftState) {
+ return FALSE;
+ }
+ if (RegsiteredData->KeyState.KeyToggleState != 0 &&
+ RegsiteredData->KeyState.KeyToggleState != InputData->KeyState.KeyToggleState) {
+ return FALSE;
+ }
+
+ return TRUE;
+
+}
+
+/**
+ Reads the next keystroke from the input device. The WaitForKey Event can
+ be used to test for existance of a keystroke via WaitForEvent () call.
+
+ @param ConsoleInDev Ps2 Keyboard private structure
+ @param KeyData A pointer to a buffer that is filled in with the keystroke
+ state data for the key that was pressed.
+
+
+ @retval EFI_SUCCESS The keystroke information was returned.
+ @retval EFI_NOT_READY There was no keystroke data availiable.
+ @retval EFI_DEVICE_ERROR The keystroke information was not returned due to
+ hardware errors.
+ @retval EFI_INVALID_PARAMETER KeyData is NULL.
+
+**/
+EFI_STATUS
+KeyboardReadKeyStrokeWorker (
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleInDev,
+ OUT EFI_KEY_DATA *KeyData
+ )
+
+{
+ EFI_STATUS Status;
+ EFI_TPL OldTpl;
+
+ if (KeyData == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // Enter critical section
+ //
+ OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
+
+ KeyboardTimerHandler (NULL, ConsoleInDev);
+
+ if (ConsoleInDev->KeyboardErr) {
+ Status = EFI_DEVICE_ERROR;
+ } else {
+ Status = PopEfikeyBufHead (&ConsoleInDev->EfiKeyQueue, KeyData);
+ }
+
+ gBS->RestoreTPL (OldTpl);
+ return Status;
+}
+
+/**
+ Perform 8042 controller and keyboard initialization which implement SIMPLE_TEXT_IN.Reset()
+
+ @param This Pointer to instance of EFI_SIMPLE_TEXT_INPUT_PROTOCOL
+ @param ExtendedVerification Indicate that the driver may perform a more
+ exhaustive verification operation of the device during
+ reset, now this par is ignored in this driver
+
+**/
+EFI_STATUS
+EFIAPI
+KeyboardEfiReset (
+ IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
+ IN BOOLEAN ExtendedVerification
+ )
+{
+ EFI_STATUS Status;
+ KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;
+ EFI_TPL OldTpl;
+
+ ConsoleIn = KEYBOARD_CONSOLE_IN_DEV_FROM_THIS (This);
+ if (ConsoleIn->KeyboardErr) {
+ return EFI_DEVICE_ERROR;
+ }
+
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (
+ EFI_PROGRESS_CODE,
+ EFI_PERIPHERAL_KEYBOARD | EFI_P_PC_RESET,
+ ConsoleIn->DevicePath
+ );
+
+ //
+ // Enter critical section
+ //
+ OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
+
+ //
+ // Call InitKeyboard to initialize the keyboard
+ //
+ Status = InitKeyboard (ConsoleIn, ExtendedVerification);
+ if (EFI_ERROR (Status)) {
+ //
+ // Leave critical section and return
+ //
+ gBS->RestoreTPL (OldTpl);
+ return EFI_DEVICE_ERROR;
+ }
+
+ //
+ // Leave critical section and return
+ //
+ gBS->RestoreTPL (OldTpl);
+
+ //
+ // Report the status If a stuck key was detected
+ //
+ if (KeyReadStatusRegister (ConsoleIn) & 0x01) {
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (
+ EFI_ERROR_CODE | EFI_ERROR_MINOR,
+ EFI_PERIPHERAL_KEYBOARD | EFI_P_KEYBOARD_EC_STUCK_KEY,
+ ConsoleIn->DevicePath
+ );
+ }
+ //
+ // Report the status If keyboard is locked
+ //
+ if ((KeyReadStatusRegister (ConsoleIn) & 0x10) == 0) {
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (
+ EFI_ERROR_CODE | EFI_ERROR_MINOR,
+ EFI_PERIPHERAL_KEYBOARD | EFI_P_KEYBOARD_EC_LOCKED,
+ ConsoleIn->DevicePath
+ );
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Retrieve key values for driver user which implement SIMPLE_TEXT_IN.ReadKeyStroke().
+
+ @param This Pointer to instance of EFI_SIMPLE_TEXT_INPUT_PROTOCOL
+ @param Key The output buffer for key value
+
+ @retval EFI_SUCCESS success to read key stroke
+**/
+EFI_STATUS
+EFIAPI
+KeyboardReadKeyStroke (
+ IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
+ OUT EFI_INPUT_KEY *Key
+ )
+{
+ EFI_STATUS Status;
+ KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;
+ EFI_KEY_DATA KeyData;
+
+ ConsoleIn = KEYBOARD_CONSOLE_IN_DEV_FROM_THIS (This);
+
+ //
+ // Considering if the partial keystroke is enabled, there maybe a partial
+ // keystroke in the queue, so here skip the partial keystroke and get the
+ // next key from the queue
+ //
+ while (1) {
+ //
+ // If there is no pending key, then return.
+ //
+ Status = KeyboardReadKeyStrokeWorker (ConsoleIn, &KeyData);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // If it is partial keystroke, skip it.
+ //
+ if (KeyData.Key.ScanCode == SCAN_NULL && KeyData.Key.UnicodeChar == CHAR_NULL) {
+ continue;
+ }
+ //
+ // Translate the CTRL-Alpha characters to their corresponding control value
+ // (ctrl-a = 0x0001 through ctrl-Z = 0x001A)
+ //
+ if ((KeyData.KeyState.KeyShiftState & (EFI_LEFT_CONTROL_PRESSED | EFI_RIGHT_CONTROL_PRESSED)) != 0) {
+ if (KeyData.Key.UnicodeChar >= L'a' && KeyData.Key.UnicodeChar <= L'z') {
+ KeyData.Key.UnicodeChar = (CHAR16) (KeyData.Key.UnicodeChar - L'a' + 1);
+ } else if (KeyData.Key.UnicodeChar >= L'A' && KeyData.Key.UnicodeChar <= L'Z') {
+ KeyData.Key.UnicodeChar = (CHAR16) (KeyData.Key.UnicodeChar - L'A' + 1);
+ }
+ }
+
+ CopyMem (Key, &KeyData.Key, sizeof (EFI_INPUT_KEY));
+ return EFI_SUCCESS;
+ }
+}
+
+/**
+ Event notification function for SIMPLE_TEXT_IN.WaitForKey event
+ Signal the event if there is key available
+
+ @param Event the event object
+ @param Context waitting context
+
+**/
+VOID
+EFIAPI
+KeyboardWaitForKey (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ EFI_TPL OldTpl;
+ KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;
+ EFI_KEY_DATA KeyData;
+
+ ConsoleIn = (KEYBOARD_CONSOLE_IN_DEV *) Context;
+
+ //
+ // Enter critical section
+ //
+ OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
+
+ KeyboardTimerHandler (NULL, ConsoleIn);
+
+ if (!ConsoleIn->KeyboardErr) {
+ //
+ // WaitforKey doesn't suppor the partial key.
+ // Considering if the partial keystroke is enabled, there maybe a partial
+ // keystroke in the queue, so here skip the partial keystroke and get the
+ // next key from the queue
+ //
+ while (!IsEfikeyBufEmpty (&ConsoleIn->EfiKeyQueue)) {
+ CopyMem (
+ &KeyData,
+ &(ConsoleIn->EfiKeyQueue.Buffer[ConsoleIn->EfiKeyQueue.Head]),
+ sizeof (EFI_KEY_DATA)
+ );
+ if (KeyData.Key.ScanCode == SCAN_NULL && KeyData.Key.UnicodeChar == CHAR_NULL) {
+ PopEfikeyBufHead (&ConsoleIn->EfiKeyQueue, &KeyData);
+ continue;
+ }
+ //
+ // if there is pending value key, signal the event.
+ //
+ gBS->SignalEvent (Event);
+ break;
+ }
+ }
+ //
+ // Leave critical section and return
+ //
+ gBS->RestoreTPL (OldTpl);
+}
+
+/**
+ Event notification function for SIMPLE_TEXT_INPUT_EX_PROTOCOL.WaitForKeyEx event
+ Signal the event if there is key available
+
+ @param Event event object
+ @param Context waiting context
+
+**/
+VOID
+EFIAPI
+KeyboardWaitForKeyEx (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+
+{
+ KeyboardWaitForKey (Event, Context);
+}
+
+/**
+ Reset the input device and optionaly run diagnostics
+
+ @param This Protocol instance pointer.
+ @param ExtendedVerification Driver may perform diagnostics on reset.
+
+ @retval EFI_SUCCESS The device was reset.
+ @retval EFI_DEVICE_ERROR The device is not functioning properly and could
+ not be reset.
+
+**/
+EFI_STATUS
+EFIAPI
+KeyboardEfiResetEx (
+ IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
+ IN BOOLEAN ExtendedVerification
+ )
+
+{
+ KEYBOARD_CONSOLE_IN_DEV *ConsoleInDev;
+
+ ConsoleInDev = TEXT_INPUT_EX_KEYBOARD_CONSOLE_IN_DEV_FROM_THIS (This);
+
+ return ConsoleInDev->ConIn.Reset (
+ &ConsoleInDev->ConIn,
+ ExtendedVerification
+ );
+}
+
+/**
+ Reads the next keystroke from the input device. The WaitForKey Event can
+ be used to test for existance of a keystroke via WaitForEvent () call.
+
+
+ @param This Protocol instance pointer.
+ @param KeyData A pointer to a buffer that is filled in with the keystroke
+ state data for the key that was pressed.
+
+ @retval EFI_SUCCESS The keystroke information was returned.
+ @retval EFI_NOT_READY There was no keystroke data availiable.
+ @retval EFI_DEVICE_ERROR The keystroke information was not returned due to
+ hardware errors.
+ @retval EFI_INVALID_PARAMETER KeyData is NULL.
+
+**/
+EFI_STATUS
+EFIAPI
+KeyboardReadKeyStrokeEx (
+ IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
+ OUT EFI_KEY_DATA *KeyData
+ )
+
+{
+ KEYBOARD_CONSOLE_IN_DEV *ConsoleInDev;
+
+ if (KeyData == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ ConsoleInDev = TEXT_INPUT_EX_KEYBOARD_CONSOLE_IN_DEV_FROM_THIS (This);
+ return KeyboardReadKeyStrokeWorker (ConsoleInDev, KeyData);
+}
+
+/**
+ Set certain state for the input device.
+
+ @param This Protocol instance pointer.
+ @param KeyToggleState A pointer to the EFI_KEY_TOGGLE_STATE to set the
+ state for the input device.
+
+ @retval EFI_SUCCESS The device state was set successfully.
+ @retval EFI_DEVICE_ERROR The device is not functioning correctly and could
+ not have the setting adjusted.
+ @retval EFI_UNSUPPORTED The device does not have the ability to set its state.
+ @retval EFI_INVALID_PARAMETER KeyToggleState is NULL.
+
+**/
+EFI_STATUS
+EFIAPI
+KeyboardSetState (
+ IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
+ IN EFI_KEY_TOGGLE_STATE *KeyToggleState
+ )
+
+{
+ EFI_STATUS Status;
+ KEYBOARD_CONSOLE_IN_DEV *ConsoleInDev;
+ EFI_TPL OldTpl;
+
+ if (KeyToggleState == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ ConsoleInDev = TEXT_INPUT_EX_KEYBOARD_CONSOLE_IN_DEV_FROM_THIS (This);
+
+ //
+ // Enter critical section
+ //
+ OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
+
+ if (ConsoleInDev->KeyboardErr) {
+ Status = EFI_DEVICE_ERROR;
+ goto Exit;
+ }
+
+ if ((*KeyToggleState & EFI_TOGGLE_STATE_VALID) != EFI_TOGGLE_STATE_VALID) {
+ Status = EFI_UNSUPPORTED;
+ goto Exit;
+ }
+
+ //
+ // Update the status light
+ //
+ ConsoleInDev->ScrollLock = FALSE;
+ ConsoleInDev->NumLock = FALSE;
+ ConsoleInDev->CapsLock = FALSE;
+ ConsoleInDev->IsSupportPartialKey = FALSE;
+
+ if ((*KeyToggleState & EFI_SCROLL_LOCK_ACTIVE) == EFI_SCROLL_LOCK_ACTIVE) {
+ ConsoleInDev->ScrollLock = TRUE;
+ }
+ if ((*KeyToggleState & EFI_NUM_LOCK_ACTIVE) == EFI_NUM_LOCK_ACTIVE) {
+ ConsoleInDev->NumLock = TRUE;
+ }
+ if ((*KeyToggleState & EFI_CAPS_LOCK_ACTIVE) == EFI_CAPS_LOCK_ACTIVE) {
+ ConsoleInDev->CapsLock = TRUE;
+ }
+ if ((*KeyToggleState & EFI_KEY_STATE_EXPOSED) == EFI_KEY_STATE_EXPOSED) {
+ ConsoleInDev->IsSupportPartialKey = TRUE;
+ }
+
+ Status = UpdateStatusLights (ConsoleInDev);
+ if (EFI_ERROR (Status)) {
+ Status = EFI_DEVICE_ERROR;
+ }
+
+Exit:
+ //
+ // Leave critical section and return
+ //
+ gBS->RestoreTPL (OldTpl);
+
+ return Status;
+
+}
+
+/**
+ Register a notification function for a particular keystroke for the input device.
+
+ @param This Protocol instance pointer.
+ @param KeyData A pointer to a buffer that is filled in with the keystroke
+ information data for the key that was pressed.
+ @param KeyNotificationFunction Points to the function to be called when the key
+ sequence is typed specified by KeyData.
+ @param NotifyHandle Points to the unique handle assigned to the registered notification.
+
+ @retval EFI_SUCCESS The notification function was registered successfully.
+ @retval EFI_OUT_OF_RESOURCES Unable to allocate resources for necesssary data structures.
+ @retval EFI_INVALID_PARAMETER KeyData or NotifyHandle or KeyNotificationFunction is NULL.
+
+**/
+EFI_STATUS
+EFIAPI
+KeyboardRegisterKeyNotify (
+ IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
+ IN EFI_KEY_DATA *KeyData,
+ IN EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction,
+ OUT VOID **NotifyHandle
+ )
+{
+ EFI_STATUS Status;
+ KEYBOARD_CONSOLE_IN_DEV *ConsoleInDev;
+ EFI_TPL OldTpl;
+ LIST_ENTRY *Link;
+ KEYBOARD_CONSOLE_IN_EX_NOTIFY *CurrentNotify;
+ KEYBOARD_CONSOLE_IN_EX_NOTIFY *NewNotify;
+
+ if (KeyData == NULL || NotifyHandle == NULL || KeyNotificationFunction == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ ConsoleInDev = TEXT_INPUT_EX_KEYBOARD_CONSOLE_IN_DEV_FROM_THIS (This);
+
+ //
+ // Enter critical section
+ //
+ OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
+
+ //
+ // Return EFI_SUCCESS if the (KeyData, NotificationFunction) is already registered.
+ //
+ for (Link = ConsoleInDev->NotifyList.ForwardLink; Link != &ConsoleInDev->NotifyList; Link = Link->ForwardLink) {
+ CurrentNotify = CR (
+ Link,
+ KEYBOARD_CONSOLE_IN_EX_NOTIFY,
+ NotifyEntry,
+ KEYBOARD_CONSOLE_IN_EX_NOTIFY_SIGNATURE
+ );
+ if (IsKeyRegistered (&CurrentNotify->KeyData, KeyData)) {
+ if (CurrentNotify->KeyNotificationFn == KeyNotificationFunction) {
+ *NotifyHandle = CurrentNotify;
+ Status = EFI_SUCCESS;
+ goto Exit;
+ }
+ }
+ }
+
+ //
+ // Allocate resource to save the notification function
+ //
+ NewNotify = (KEYBOARD_CONSOLE_IN_EX_NOTIFY *) AllocateZeroPool (sizeof (KEYBOARD_CONSOLE_IN_EX_NOTIFY));
+ if (NewNotify == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto Exit;
+ }
+
+ NewNotify->Signature = KEYBOARD_CONSOLE_IN_EX_NOTIFY_SIGNATURE;
+ NewNotify->KeyNotificationFn = KeyNotificationFunction;
+ CopyMem (&NewNotify->KeyData, KeyData, sizeof (EFI_KEY_DATA));
+ InsertTailList (&ConsoleInDev->NotifyList, &NewNotify->NotifyEntry);
+
+ *NotifyHandle = NewNotify;
+ Status = EFI_SUCCESS;
+
+Exit:
+ //
+ // Leave critical section and return
+ //
+ gBS->RestoreTPL (OldTpl);
+ return Status;
+
+}
+
+/**
+ Remove a registered notification function from a particular keystroke.
+
+ @param This Protocol instance pointer.
+ @param NotificationHandle The handle of the notification function being unregistered.
+
+
+ @retval EFI_SUCCESS The notification function was unregistered successfully.
+ @retval EFI_INVALID_PARAMETER The NotificationHandle is invalid.
+
+**/
+EFI_STATUS
+EFIAPI
+KeyboardUnregisterKeyNotify (
+ IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
+ IN VOID *NotificationHandle
+ )
+{
+ EFI_STATUS Status;
+ KEYBOARD_CONSOLE_IN_DEV *ConsoleInDev;
+ EFI_TPL OldTpl;
+ LIST_ENTRY *Link;
+ KEYBOARD_CONSOLE_IN_EX_NOTIFY *CurrentNotify;
+
+ if (NotificationHandle == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ ConsoleInDev = TEXT_INPUT_EX_KEYBOARD_CONSOLE_IN_DEV_FROM_THIS (This);
+
+ //
+ // Enter critical section
+ //
+ OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
+
+ for (Link = ConsoleInDev->NotifyList.ForwardLink; Link != &ConsoleInDev->NotifyList; Link = Link->ForwardLink) {
+ CurrentNotify = CR (
+ Link,
+ KEYBOARD_CONSOLE_IN_EX_NOTIFY,
+ NotifyEntry,
+ KEYBOARD_CONSOLE_IN_EX_NOTIFY_SIGNATURE
+ );
+ if (CurrentNotify == NotificationHandle) {
+ //
+ // Remove the notification function from NotifyList and free resources
+ //
+ RemoveEntryList (&CurrentNotify->NotifyEntry);
+
+ gBS->FreePool (CurrentNotify);
+ Status = EFI_SUCCESS;
+ goto Exit;
+ }
+ }
+
+ //
+ // Can not find the specified Notification Handle
+ //
+ Status = EFI_INVALID_PARAMETER;
+Exit:
+ //
+ // Leave critical section and return
+ //
+ gBS->RestoreTPL (OldTpl);
+ return Status;
+}
+
diff --git a/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.c b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.c
new file mode 100644
index 0000000..4384935
--- /dev/null
+++ b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.c
@@ -0,0 +1,647 @@
+/** @file
+
+ PS/2 Keyboard driver. Routines that interacts with callers,
+ conforming to EFI driver model
+
+Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
+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.
+
+**/
+
+#include "Ps2Keyboard.h"
+
+//
+// Function prototypes
+//
+/**
+ Test controller is a keyboard Controller.
+
+ @param This Pointer of EFI_DRIVER_BINDING_PROTOCOL
+ @param Controller driver's controller
+ @param RemainingDevicePath children device path
+
+ @retval EFI_UNSUPPORTED controller is not floppy disk
+ @retval EFI_SUCCESS controller is floppy disk
+**/
+EFI_STATUS
+EFIAPI
+KbdControllerDriverSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ );
+
+/**
+ Create KEYBOARD_CONSOLE_IN_DEV instance on controller.
+
+ @param This Pointer of EFI_DRIVER_BINDING_PROTOCOL
+ @param Controller driver controller handle
+ @param RemainingDevicePath Children's device path
+
+ @retval whether success to create floppy control instance.
+**/
+EFI_STATUS
+EFIAPI
+KbdControllerDriverStart (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ );
+
+/**
+ Stop this driver on ControllerHandle. Support stoping any child handles
+ created by this driver.
+
+ @param This Protocol instance pointer.
+ @param ControllerHandle Handle of device to stop driver on
+ @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
+ children is zero stop the entire bus driver.
+ @param ChildHandleBuffer List of Child Handles to Stop.
+
+ @retval EFI_SUCCESS This driver is removed ControllerHandle
+ @retval other This driver was not removed from this device
+
+**/
+EFI_STATUS
+EFIAPI
+KbdControllerDriverStop (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer
+ );
+
+/**
+ Free the waiting key notify list.
+
+ @param ListHead Pointer to list head
+
+ @retval EFI_INVALID_PARAMETER ListHead is NULL
+ @retval EFI_SUCCESS Sucess to free NotifyList
+**/
+EFI_STATUS
+KbdFreeNotifyList (
+ IN OUT LIST_ENTRY *ListHead
+ );
+
+//
+// DriverBinding Protocol Instance
+//
+EFI_DRIVER_BINDING_PROTOCOL gKeyboardControllerDriver = {
+ KbdControllerDriverSupported,
+ KbdControllerDriverStart,
+ KbdControllerDriverStop,
+ 0xa,
+ NULL,
+ NULL
+};
+
+/**
+ Test controller is a keyboard Controller.
+
+ @param This Pointer of EFI_DRIVER_BINDING_PROTOCOL
+ @param Controller driver's controller
+ @param RemainingDevicePath children device path
+
+ @retval EFI_UNSUPPORTED controller is not floppy disk
+ @retval EFI_SUCCESS controller is floppy disk
+**/
+EFI_STATUS
+EFIAPI
+KbdControllerDriverSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+{
+ EFI_STATUS Status;
+ EFI_SIO_PROTOCOL *Sio;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ ACPI_HID_DEVICE_PATH *Acpi;
+
+ //
+ // Check whether the controller is keyboard.
+ //
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &DevicePath,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ do {
+ Acpi = (ACPI_HID_DEVICE_PATH *) DevicePath;
+ DevicePath = NextDevicePathNode (DevicePath);
+ } while (!IsDevicePathEnd (DevicePath));
+
+ if (DevicePathType (Acpi) != ACPI_DEVICE_PATH ||
+ (DevicePathSubType (Acpi) != ACPI_DP && DevicePathSubType (Acpi) != ACPI_EXTENDED_DP)) {
+ return EFI_UNSUPPORTED;
+ }
+
+ if (Acpi->HID != EISA_PNP_ID (0x303) || Acpi->UID != 0) {
+ return EFI_UNSUPPORTED;
+ }
+
+ //
+ // Open the IO Abstraction(s) needed to perform the supported test
+ //
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiSioProtocolGuid,
+ (VOID **) &Sio,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Close the I/O Abstraction(s) used to perform the supported test
+ //
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiSioProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+
+ return Status;
+}
+
+/**
+ Create KEYBOARD_CONSOLE_IN_DEV instance on controller.
+
+ @param This Pointer of EFI_DRIVER_BINDING_PROTOCOL
+ @param Controller driver controller handle
+ @param RemainingDevicePath Children's device path
+
+ @retval whether success to create floppy control instance.
+**/
+EFI_STATUS
+EFIAPI
+KbdControllerDriverStart (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+{
+ EFI_STATUS Status;
+ EFI_STATUS Status1;
+ EFI_SIO_PROTOCOL *Sio;
+ KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;
+ UINT8 Data;
+ EFI_STATUS_CODE_VALUE StatusCode;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+
+ StatusCode = 0;
+
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &DevicePath,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Report that the keyboard is being enabled
+ //
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (
+ EFI_PROGRESS_CODE,
+ EFI_PERIPHERAL_KEYBOARD | EFI_P_PC_ENABLE,
+ DevicePath
+ );
+
+ //
+ // Get the ISA I/O Protocol on Controller's handle
+ //
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiSioProtocolGuid,
+ (VOID **) &Sio,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Allocate private data
+ //
+ ConsoleIn = AllocateZeroPool (sizeof (KEYBOARD_CONSOLE_IN_DEV));
+ if (ConsoleIn == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;
+ goto ErrorExit;
+ }
+ //
+ // Setup the device instance
+ //
+ ConsoleIn->Signature = KEYBOARD_CONSOLE_IN_DEV_SIGNATURE;
+ ConsoleIn->Handle = Controller;
+ (ConsoleIn->ConIn).Reset = KeyboardEfiReset;
+ (ConsoleIn->ConIn).ReadKeyStroke = KeyboardReadKeyStroke;
+ ConsoleIn->DataRegisterAddress = KEYBOARD_8042_DATA_REGISTER;
+ ConsoleIn->StatusRegisterAddress = KEYBOARD_8042_STATUS_REGISTER;
+ ConsoleIn->CommandRegisterAddress = KEYBOARD_8042_COMMAND_REGISTER;
+ ConsoleIn->DevicePath = DevicePath;
+
+ ConsoleIn->ConInEx.Reset = KeyboardEfiResetEx;
+ ConsoleIn->ConInEx.ReadKeyStrokeEx = KeyboardReadKeyStrokeEx;
+ ConsoleIn->ConInEx.SetState = KeyboardSetState;
+ ConsoleIn->ConInEx.RegisterKeyNotify = KeyboardRegisterKeyNotify;
+ ConsoleIn->ConInEx.UnregisterKeyNotify = KeyboardUnregisterKeyNotify;
+
+ InitializeListHead (&ConsoleIn->NotifyList);
+
+ //
+ // Fix for random hangs in System waiting for the Key if no KBC is present in BIOS.
+ // When KBC decode (IO port 0x60/0x64 decode) is not enabled,
+ // KeyboardRead will read back as 0xFF and return status is EFI_SUCCESS.
+ // So instead we read status register to detect after read if KBC decode is enabled.
+ //
+
+ //
+ // Return code is ignored on purpose.
+ //
+ if (!PcdGetBool (PcdFastPS2Detection)) {
+ KeyboardRead (ConsoleIn, &Data);
+ if ((KeyReadStatusRegister (ConsoleIn) & (KBC_PARE | KBC_TIM)) == (KBC_PARE | KBC_TIM)) {
+ //
+ // If nobody decodes KBC I/O port, it will read back as 0xFF.
+ // Check the Time-Out and Parity bit to see if it has an active KBC in system
+ //
+ Status = EFI_DEVICE_ERROR;
+ StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_NOT_DETECTED;
+ goto ErrorExit;
+ }
+ }
+
+ //
+ // Setup the WaitForKey event
+ //
+ Status = gBS->CreateEvent (
+ EVT_NOTIFY_WAIT,
+ TPL_NOTIFY,
+ KeyboardWaitForKey,
+ ConsoleIn,
+ &((ConsoleIn->ConIn).WaitForKey)
+ );
+ if (EFI_ERROR (Status)) {
+ Status = EFI_OUT_OF_RESOURCES;
+ StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;
+ goto ErrorExit;
+ }
+ //
+ // Setup the WaitForKeyEx event
+ //
+ Status = gBS->CreateEvent (
+ EVT_NOTIFY_WAIT,
+ TPL_NOTIFY,
+ KeyboardWaitForKeyEx,
+ ConsoleIn,
+ &(ConsoleIn->ConInEx.WaitForKeyEx)
+ );
+ if (EFI_ERROR (Status)) {
+ Status = EFI_OUT_OF_RESOURCES;
+ StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;
+ goto ErrorExit;
+ }
+ // Setup a periodic timer, used for reading keystrokes at a fixed interval
+ //
+ Status = gBS->CreateEvent (
+ EVT_TIMER | EVT_NOTIFY_SIGNAL,
+ TPL_NOTIFY,
+ KeyboardTimerHandler,
+ ConsoleIn,
+ &ConsoleIn->TimerEvent
+ );
+ if (EFI_ERROR (Status)) {
+ Status = EFI_OUT_OF_RESOURCES;
+ StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;
+ goto ErrorExit;
+ }
+
+ Status = gBS->SetTimer (
+ ConsoleIn->TimerEvent,
+ TimerPeriodic,
+ KEYBOARD_TIMER_INTERVAL
+ );
+ if (EFI_ERROR (Status)) {
+ Status = EFI_OUT_OF_RESOURCES;
+ StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;
+ goto ErrorExit;
+ }
+
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (
+ EFI_PROGRESS_CODE,
+ EFI_PERIPHERAL_KEYBOARD | EFI_P_PC_PRESENCE_DETECT,
+ DevicePath
+ );
+
+ //
+ // Reset the keyboard device
+ //
+ Status = ConsoleIn->ConInEx.Reset (&ConsoleIn->ConInEx, FeaturePcdGet (PcdPs2KbdExtendedVerification));
+ if (EFI_ERROR (Status)) {
+ Status = EFI_DEVICE_ERROR;
+ StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_NOT_DETECTED;
+ goto ErrorExit;
+ }
+
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (
+ EFI_PROGRESS_CODE,
+ EFI_PERIPHERAL_KEYBOARD | EFI_P_PC_DETECTED,
+ DevicePath
+ );
+
+ ConsoleIn->ControllerNameTable = NULL;
+ AddUnicodeString2 (
+ "eng",
+ gPs2KeyboardComponentName.SupportedLanguages,
+ &ConsoleIn->ControllerNameTable,
+ L"PS/2 Keyboard Device",
+ TRUE
+ );
+ AddUnicodeString2 (
+ "en",
+ gPs2KeyboardComponentName2.SupportedLanguages,
+ &ConsoleIn->ControllerNameTable,
+ L"PS/2 Keyboard Device",
+ FALSE
+ );
+
+
+ //
+ // Install protocol interfaces for the keyboard device.
+ //
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &Controller,
+ &gEfiSimpleTextInProtocolGuid,
+ &ConsoleIn->ConIn,
+ &gEfiSimpleTextInputExProtocolGuid,
+ &ConsoleIn->ConInEx,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;
+ goto ErrorExit;
+ }
+
+ return Status;
+
+ErrorExit:
+ //
+ // Report error code
+ //
+ if (StatusCode != 0) {
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (
+ EFI_ERROR_CODE | EFI_ERROR_MINOR,
+ StatusCode,
+ DevicePath
+ );
+ }
+
+ if ((ConsoleIn != NULL) && (ConsoleIn->ConIn.WaitForKey != NULL)) {
+ gBS->CloseEvent (ConsoleIn->ConIn.WaitForKey);
+ }
+
+ if ((ConsoleIn != NULL) && (ConsoleIn->TimerEvent != NULL)) {
+ gBS->CloseEvent (ConsoleIn->TimerEvent);
+ }
+ if ((ConsoleIn != NULL) && (ConsoleIn->ConInEx.WaitForKeyEx != NULL)) {
+ gBS->CloseEvent (ConsoleIn->ConInEx.WaitForKeyEx);
+ }
+ KbdFreeNotifyList (&ConsoleIn->NotifyList);
+ if ((ConsoleIn != NULL) && (ConsoleIn->ControllerNameTable != NULL)) {
+ FreeUnicodeStringTable (ConsoleIn->ControllerNameTable);
+ }
+ //
+ // Since there will be no timer handler for keyboard input any more,
+ // exhaust input data just in case there is still keyboard data left
+ //
+ if (ConsoleIn != NULL) {
+ Status1 = EFI_SUCCESS;
+ while (!EFI_ERROR (Status1) && (Status != EFI_DEVICE_ERROR)) {
+ Status1 = KeyboardRead (ConsoleIn, &Data);;
+ }
+ }
+
+ if (ConsoleIn != NULL) {
+ gBS->FreePool (ConsoleIn);
+ }
+
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiSioProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+
+ return Status;
+}
+
+/**
+ Stop this driver on ControllerHandle. Support stoping any child handles
+ created by this driver.
+
+ @param This Protocol instance pointer.
+ @param ControllerHandle Handle of device to stop driver on
+ @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
+ children is zero stop the entire bus driver.
+ @param ChildHandleBuffer List of Child Handles to Stop.
+
+ @retval EFI_SUCCESS This driver is removed ControllerHandle
+ @retval other This driver was not removed from this device
+
+**/
+EFI_STATUS
+EFIAPI
+KbdControllerDriverStop (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer
+ )
+{
+ EFI_STATUS Status;
+ EFI_SIMPLE_TEXT_INPUT_PROTOCOL *ConIn;
+ KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;
+ UINT8 Data;
+
+ //
+ // Disable Keyboard
+ //
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiSimpleTextInProtocolGuid,
+ (VOID **) &ConIn,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiSimpleTextInputExProtocolGuid,
+ NULL,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_TEST_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ ConsoleIn = KEYBOARD_CONSOLE_IN_DEV_FROM_THIS (ConIn);
+
+ //
+ // Report that the keyboard is being disabled
+ //
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (
+ EFI_PROGRESS_CODE,
+ EFI_PERIPHERAL_KEYBOARD | EFI_P_PC_DISABLE,
+ ConsoleIn->DevicePath
+ );
+
+ if (ConsoleIn->TimerEvent != NULL) {
+ gBS->CloseEvent (ConsoleIn->TimerEvent);
+ ConsoleIn->TimerEvent = NULL;
+ }
+
+ //
+ // Since there will be no timer handler for keyboard input any more,
+ // exhaust input data just in case there is still keyboard data left
+ //
+ Status = EFI_SUCCESS;
+ while (!EFI_ERROR (Status)) {
+ Status = KeyboardRead (ConsoleIn, &Data);;
+ }
+ //
+ // Uninstall the SimpleTextIn and SimpleTextInEx protocols
+ //
+ Status = gBS->UninstallMultipleProtocolInterfaces (
+ Controller,
+ &gEfiSimpleTextInProtocolGuid,
+ &ConsoleIn->ConIn,
+ &gEfiSimpleTextInputExProtocolGuid,
+ &ConsoleIn->ConInEx,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiSioProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+
+ //
+ // Free other resources
+ //
+ if ((ConsoleIn->ConIn).WaitForKey != NULL) {
+ gBS->CloseEvent ((ConsoleIn->ConIn).WaitForKey);
+ (ConsoleIn->ConIn).WaitForKey = NULL;
+ }
+ if (ConsoleIn->ConInEx.WaitForKeyEx != NULL) {
+ gBS->CloseEvent (ConsoleIn->ConInEx.WaitForKeyEx);
+ ConsoleIn->ConInEx.WaitForKeyEx = NULL;
+ }
+ KbdFreeNotifyList (&ConsoleIn->NotifyList);
+ FreeUnicodeStringTable (ConsoleIn->ControllerNameTable);
+ gBS->FreePool (ConsoleIn);
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Free the waiting key notify list.
+
+ @param ListHead Pointer to list head
+
+ @retval EFI_INVALID_PARAMETER ListHead is NULL
+ @retval EFI_SUCCESS Sucess to free NotifyList
+**/
+EFI_STATUS
+KbdFreeNotifyList (
+ IN OUT LIST_ENTRY *ListHead
+ )
+{
+ KEYBOARD_CONSOLE_IN_EX_NOTIFY *NotifyNode;
+
+ if (ListHead == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+ while (!IsListEmpty (ListHead)) {
+ NotifyNode = CR (
+ ListHead->ForwardLink,
+ KEYBOARD_CONSOLE_IN_EX_NOTIFY,
+ NotifyEntry,
+ KEYBOARD_CONSOLE_IN_EX_NOTIFY_SIGNATURE
+ );
+ RemoveEntryList (ListHead->ForwardLink);
+ gBS->FreePool (NotifyNode);
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ The module Entry Point for module Ps2Keyboard.
+
+ @param[in] ImageHandle The firmware allocated handle for the EFI image.
+ @param[in] SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The entry point is executed successfully.
+ @retval other Some error occurs when executing this entry point.
+
+**/
+EFI_STATUS
+EFIAPI
+InitializePs2Keyboard(
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ //
+ // Install driver model protocol(s).
+ //
+ Status = EfiLibInstallDriverBindingComponentName2 (
+ ImageHandle,
+ SystemTable,
+ &gKeyboardControllerDriver,
+ ImageHandle,
+ &gPs2KeyboardComponentName,
+ &gPs2KeyboardComponentName2
+ );
+ ASSERT_EFI_ERROR (Status);
+
+
+ return Status;
+}
+
diff --git a/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.h b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.h
new file mode 100644
index 0000000..d0aecfb
--- /dev/null
+++ b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.h
@@ -0,0 +1,551 @@
+/** @file
+ PS/2 keyboard driver header file
+
+Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
+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.
+
+**/
+
+#ifndef _PS2KEYBOARD_H_
+#define _PS2KEYBOARD_H_
+
+#include <Uefi.h>
+
+#include <Protocol/SuperIo.h>
+#include <Protocol/SimpleTextIn.h>
+#include <Protocol/SimpleTextInEx.h>
+#include <Protocol/DevicePath.h>
+#include <Protocol/Ps2Policy.h>
+
+#include <Library/IoLib.h>
+#include <Library/DevicePathLib.h>
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/UefiLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/ReportStatusCodeLib.h>
+#include <Library/DebugLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/TimerLib.h>
+#include <Library/PcdLib.h>
+
+//
+// Global Variables
+//
+extern EFI_DRIVER_BINDING_PROTOCOL gKeyboardControllerDriver;
+extern EFI_COMPONENT_NAME_PROTOCOL gPs2KeyboardComponentName;
+extern EFI_COMPONENT_NAME2_PROTOCOL gPs2KeyboardComponentName2;
+
+//
+// Driver Private Data
+//
+#define KEYBOARD_CONSOLE_IN_DEV_SIGNATURE SIGNATURE_32 ('k', 'k', 'e', 'y')
+#define KEYBOARD_CONSOLE_IN_EX_NOTIFY_SIGNATURE SIGNATURE_32 ('k', 'c', 'e', 'n')
+
+typedef struct _KEYBOARD_CONSOLE_IN_EX_NOTIFY {
+ UINTN Signature;
+ EFI_KEY_DATA KeyData;
+ EFI_KEY_NOTIFY_FUNCTION KeyNotificationFn;
+ LIST_ENTRY NotifyEntry;
+} KEYBOARD_CONSOLE_IN_EX_NOTIFY;
+
+#define KEYBOARD_SCAN_CODE_MAX_COUNT 32
+typedef struct {
+ UINT8 Buffer[KEYBOARD_SCAN_CODE_MAX_COUNT];
+ UINTN Head;
+ UINTN Tail;
+} SCAN_CODE_QUEUE;
+
+#define KEYBOARD_EFI_KEY_MAX_COUNT 256
+typedef struct {
+ EFI_KEY_DATA Buffer[KEYBOARD_EFI_KEY_MAX_COUNT];
+ UINTN Head;
+ UINTN Tail;
+} EFI_KEY_QUEUE;
+
+typedef struct {
+ UINTN Signature;
+
+ EFI_HANDLE Handle;
+ EFI_SIMPLE_TEXT_INPUT_PROTOCOL ConIn;
+ EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL ConInEx;
+
+ EFI_EVENT TimerEvent;
+
+ UINT32 DataRegisterAddress;
+ UINT32 StatusRegisterAddress;
+ UINT32 CommandRegisterAddress;
+
+ BOOLEAN LeftCtrl;
+ BOOLEAN RightCtrl;
+ BOOLEAN LeftAlt;
+ BOOLEAN RightAlt;
+ BOOLEAN LeftShift;
+ BOOLEAN RightShift;
+ BOOLEAN LeftLogo;
+ BOOLEAN RightLogo;
+ BOOLEAN Menu;
+ BOOLEAN SysReq;
+
+ BOOLEAN CapsLock;
+ BOOLEAN NumLock;
+ BOOLEAN ScrollLock;
+
+ BOOLEAN IsSupportPartialKey;
+ //
+ // Queue storing key scancodes
+ //
+ SCAN_CODE_QUEUE ScancodeQueue;
+ EFI_KEY_QUEUE EfiKeyQueue;
+
+ //
+ // Error state
+ //
+ BOOLEAN KeyboardErr;
+
+ EFI_UNICODE_STRING_TABLE *ControllerNameTable;
+
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ //
+ // Notification Function List
+ //
+ LIST_ENTRY NotifyList;
+} KEYBOARD_CONSOLE_IN_DEV;
+
+#define KEYBOARD_CONSOLE_IN_DEV_FROM_THIS(a) CR (a, KEYBOARD_CONSOLE_IN_DEV, ConIn, KEYBOARD_CONSOLE_IN_DEV_SIGNATURE)
+#define TEXT_INPUT_EX_KEYBOARD_CONSOLE_IN_DEV_FROM_THIS(a) \
+ CR (a, \
+ KEYBOARD_CONSOLE_IN_DEV, \
+ ConInEx, \
+ KEYBOARD_CONSOLE_IN_DEV_SIGNATURE \
+ )
+
+#define TABLE_END 0x0
+
+//
+// Driver entry point
+//
+/**
+ The user Entry Point for module Ps2Keyboard. The user code starts with this function.
+
+ @param[in] ImageHandle The firmware allocated handle for the EFI image.
+ @param[in] SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The entry point is executed successfully.
+ @retval other Some error occurs when executing this entry point.
+
+**/
+EFI_STATUS
+EFIAPI
+InstallPs2KeyboardDriver (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
+#define KEYBOARD_8042_DATA_REGISTER 0x60
+#define KEYBOARD_8042_STATUS_REGISTER 0x64
+#define KEYBOARD_8042_COMMAND_REGISTER 0x64
+
+#define KEYBOARD_KBEN 0xF4
+#define KEYBOARD_CMDECHO_ACK 0xFA
+
+#define KEYBOARD_MAX_TRY 256 // 256
+#define KEYBOARD_TIMEOUT 65536 // 0.07s
+#define KEYBOARD_WAITFORVALUE_TIMEOUT 1000000 // 1s
+#define KEYBOARD_BAT_TIMEOUT 4000000 // 4s
+#define KEYBOARD_TIMER_INTERVAL 200000 // 0.02s
+#define SCANCODE_EXTENDED0 0xE0
+#define SCANCODE_EXTENDED1 0xE1
+#define SCANCODE_CTRL_MAKE 0x1D
+#define SCANCODE_CTRL_BREAK 0x9D
+#define SCANCODE_ALT_MAKE 0x38
+#define SCANCODE_ALT_BREAK 0xB8
+#define SCANCODE_LEFT_SHIFT_MAKE 0x2A
+#define SCANCODE_LEFT_SHIFT_BREAK 0xAA
+#define SCANCODE_RIGHT_SHIFT_MAKE 0x36
+#define SCANCODE_RIGHT_SHIFT_BREAK 0xB6
+#define SCANCODE_CAPS_LOCK_MAKE 0x3A
+#define SCANCODE_NUM_LOCK_MAKE 0x45
+#define SCANCODE_SCROLL_LOCK_MAKE 0x46
+#define SCANCODE_DELETE_MAKE 0x53
+#define SCANCODE_LEFT_LOGO_MAKE 0x5B //GUI key defined in Keyboard scan code
+#define SCANCODE_LEFT_LOGO_BREAK 0xDB
+#define SCANCODE_RIGHT_LOGO_MAKE 0x5C
+#define SCANCODE_RIGHT_LOGO_BREAK 0xDC
+#define SCANCODE_MENU_MAKE 0x5D //APPS key defined in Keyboard scan code
+#define SCANCODE_MENU_BREAK 0xDD
+#define SCANCODE_SYS_REQ_MAKE 0x37
+#define SCANCODE_SYS_REQ_BREAK 0xB7
+#define SCANCODE_SYS_REQ_MAKE_WITH_ALT 0x54
+#define SCANCODE_SYS_REQ_BREAK_WITH_ALT 0xD4
+
+#define SCANCODE_MAX_MAKE 0x60
+
+
+#define KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA BIT0 ///< 0 - Output register has no data; 1 - Output register has data
+#define KEYBOARD_STATUS_REGISTER_HAS_INPUT_DATA BIT1 ///< 0 - Input register has no data; 1 - Input register has data
+#define KEYBOARD_STATUS_REGISTER_SYSTEM_FLAG BIT2 ///< Set to 0 after power on reset
+#define KEYBOARD_STATUS_REGISTER_INPUT_DATA_TYPE BIT3 ///< 0 - Data in input register is data; 1 - Data in input register is command
+#define KEYBOARD_STATUS_REGISTER_ENABLE_FLAG BIT4 ///< 0 - Keyboard is disable; 1 - Keyboard is enable
+#define KEYBOARD_STATUS_REGISTER_TRANSMIT_TIMEOUT BIT5 ///< 0 - Transmit is complete without timeout; 1 - Transmit is timeout without complete
+#define KEYBOARD_STATUS_REGISTER_RECEIVE_TIMEOUT BIT6 ///< 0 - Receive is complete without timeout; 1 - Receive is timeout without complete
+#define KEYBOARD_STATUS_REGISTER_PARITY BIT7 ///< 0 - Odd parity; 1 - Even parity
+
+#define KEYBOARD_8042_COMMAND_READ 0x20
+#define KEYBOARD_8042_COMMAND_WRITE 0x60
+#define KEYBOARD_8042_COMMAND_DISABLE_MOUSE_INTERFACE 0xA7
+#define KEYBOARD_8042_COMMAND_ENABLE_MOUSE_INTERFACE 0xA8
+#define KEYBOARD_8042_COMMAND_CONTROLLER_SELF_TEST 0xAA
+#define KEYBOARD_8042_COMMAND_KEYBOARD_INTERFACE_SELF_TEST 0xAB
+#define KEYBOARD_8042_COMMAND_DISABLE_KEYBOARD_INTERFACE 0xAD
+
+#define KEYBOARD_8048_COMMAND_CLEAR_OUTPUT_DATA 0xF4
+#define KEYBOARD_8048_COMMAND_RESET 0xFF
+#define KEYBOARD_8048_COMMAND_SELECT_SCAN_CODE_SET 0xF0
+
+#define KEYBOARD_8048_RETURN_8042_BAT_SUCCESS 0xAA
+#define KEYBOARD_8048_RETURN_8042_BAT_ERROR 0xFC
+#define KEYBOARD_8048_RETURN_8042_ACK 0xFA
+
+
+//
+// Keyboard Controller Status
+//
+#define KBC_PARE 0x80 // Parity Error
+#define KBC_TIM 0x40 // General Time Out
+
+//
+// Other functions that are used among .c files
+//
+/**
+ Show keyboard status lights according to
+ indicators in ConsoleIn.
+
+ @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV
+
+ @return status
+
+**/
+EFI_STATUS
+UpdateStatusLights (
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
+ );
+
+/**
+ write key to keyboard.
+
+ @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV
+ @param Data value wanted to be written
+
+ @retval EFI_TIMEOUT - GC_TODO: Add description for return value
+ @retval EFI_SUCCESS - GC_TODO: Add description for return value
+
+**/
+EFI_STATUS
+KeyboardRead (
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
+ OUT UINT8 *Data
+ );
+
+/**
+ Get scancode from scancode buffer and translate into EFI-scancode and unicode defined by EFI spec.
+
+ The function is always called in TPL_NOTIFY.
+
+ @param ConsoleIn KEYBOARD_CONSOLE_IN_DEV instance pointer
+
+**/
+VOID
+KeyGetchar (
+ IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
+ );
+
+/**
+ Perform 8042 controller and keyboard Initialization.
+ If ExtendedVerification is TRUE, do additional test for
+ the keyboard interface
+
+ @param ConsoleIn - KEYBOARD_CONSOLE_IN_DEV instance pointer
+ @param ExtendedVerification - indicates a thorough initialization
+
+ @retval EFI_DEVICE_ERROR Fail to init keyboard
+ @retval EFI_SUCCESS Success to init keyboard
+**/
+EFI_STATUS
+InitKeyboard (
+ IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
+ IN BOOLEAN ExtendedVerification
+ );
+
+/**
+ Disable the keyboard interface of the 8042 controller.
+
+ @param ConsoleIn - the device instance
+
+ @return status of issuing disable command
+
+**/
+EFI_STATUS
+DisableKeyboard (
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
+ );
+
+/**
+ Timer event handler: read a series of scancodes from 8042
+ and put them into memory scancode buffer.
+ it read as much scancodes to either fill
+ the memory buffer or empty the keyboard buffer.
+ It is registered as running under TPL_NOTIFY
+
+ @param Event - The timer event
+ @param Context - A KEYBOARD_CONSOLE_IN_DEV pointer
+
+**/
+VOID
+EFIAPI
+KeyboardTimerHandler (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ );
+
+/**
+ logic reset keyboard
+ Implement SIMPLE_TEXT_IN.Reset()
+ Perform 8042 controller and keyboard initialization
+
+ @param This Pointer to instance of EFI_SIMPLE_TEXT_INPUT_PROTOCOL
+ @param ExtendedVerification Indicate that the driver may perform a more
+ exhaustive verification operation of the device during
+ reset, now this par is ignored in this driver
+
+**/
+EFI_STATUS
+EFIAPI
+KeyboardEfiReset (
+ IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
+ IN BOOLEAN ExtendedVerification
+ );
+
+/**
+ Implement SIMPLE_TEXT_IN.ReadKeyStroke().
+ Retrieve key values for driver user.
+
+ @param This Pointer to instance of EFI_SIMPLE_TEXT_INPUT_PROTOCOL
+ @param Key The output buffer for key value
+
+ @retval EFI_SUCCESS success to read key stroke
+**/
+EFI_STATUS
+EFIAPI
+KeyboardReadKeyStroke (
+ IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
+ OUT EFI_INPUT_KEY *Key
+ );
+
+/**
+ Event notification function for SIMPLE_TEXT_IN.WaitForKey event
+ Signal the event if there is key available
+
+ @param Event the event object
+ @param Context waitting context
+
+**/
+VOID
+EFIAPI
+KeyboardWaitForKey (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ );
+
+/**
+ Read status register.
+
+ @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV
+
+ @return value in status register
+
+**/
+UINT8
+KeyReadStatusRegister (
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
+ );
+
+/**
+ Check whether there is Ps/2 Keyboard device in system by 0xF4 Keyboard Command
+ If Keyboard receives 0xF4, it will respond with 'ACK'. If it doesn't respond, the device
+ should not be in system.
+
+ @param[in] ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV
+
+ @retval TRUE Keyboard in System.
+ @retval FALSE Keyboard not in System.
+**/
+BOOLEAN
+EFIAPI
+CheckKeyboardConnect (
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
+ );
+
+/**
+ Event notification function for SIMPLE_TEXT_INPUT_EX_PROTOCOL.WaitForKeyEx event
+ Signal the event if there is key available
+
+ @param Event event object
+ @param Context waiting context
+
+**/
+VOID
+EFIAPI
+KeyboardWaitForKeyEx (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ );
+
+//
+// Simple Text Input Ex protocol function prototypes
+//
+
+/**
+ Reset the input device and optionaly run diagnostics
+
+ @param This - Protocol instance pointer.
+ @param ExtendedVerification - Driver may perform diagnostics on reset.
+
+ @retval EFI_SUCCESS - The device was reset.
+ @retval EFI_DEVICE_ERROR - The device is not functioning properly and could
+ not be reset.
+
+**/
+EFI_STATUS
+EFIAPI
+KeyboardEfiResetEx (
+ IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
+ IN BOOLEAN ExtendedVerification
+ );
+
+/**
+ Reads the next keystroke from the input device. The WaitForKey Event can
+ be used to test for existance of a keystroke via WaitForEvent () call.
+
+
+ @param This - Protocol instance pointer.
+ @param KeyData - A pointer to a buffer that is filled in with the keystroke
+ state data for the key that was pressed.
+
+ @retval EFI_SUCCESS - The keystroke information was returned.
+ @retval EFI_NOT_READY - There was no keystroke data availiable.
+ @retval EFI_DEVICE_ERROR - The keystroke information was not returned due to
+ hardware errors.
+ @retval EFI_INVALID_PARAMETER - KeyData is NULL.
+
+**/
+EFI_STATUS
+EFIAPI
+KeyboardReadKeyStrokeEx (
+ IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
+ OUT EFI_KEY_DATA *KeyData
+ );
+
+/**
+ Set certain state for the input device.
+
+ @param This - Protocol instance pointer.
+ @param KeyToggleState - A pointer to the EFI_KEY_TOGGLE_STATE to set the
+ state for the input device.
+
+ @retval EFI_SUCCESS - The device state was set successfully.
+ @retval EFI_DEVICE_ERROR - The device is not functioning correctly and could
+ not have the setting adjusted.
+ @retval EFI_UNSUPPORTED - The device does not have the ability to set its state.
+ @retval EFI_INVALID_PARAMETER - KeyToggleState is NULL.
+
+**/
+EFI_STATUS
+EFIAPI
+KeyboardSetState (
+ IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
+ IN EFI_KEY_TOGGLE_STATE *KeyToggleState
+ );
+
+/**
+ Register a notification function for a particular keystroke for the input device.
+
+ @param This - Protocol instance pointer.
+ @param KeyData - A pointer to a buffer that is filled in with the keystroke
+ information data for the key that was pressed.
+ @param KeyNotificationFunction - Points to the function to be called when the key
+ sequence is typed specified by KeyData.
+ @param NotifyHandle - Points to the unique handle assigned to the registered notification.
+
+ @retval EFI_SUCCESS - The notification function was registered successfully.
+ @retval EFI_OUT_OF_RESOURCES - Unable to allocate resources for necesssary data structures.
+ @retval EFI_INVALID_PARAMETER - KeyData or NotifyHandle is NULL.
+
+**/
+EFI_STATUS
+EFIAPI
+KeyboardRegisterKeyNotify (
+ IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
+ IN EFI_KEY_DATA *KeyData,
+ IN EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction,
+ OUT VOID **NotifyHandle
+ );
+
+/**
+ Remove a registered notification function from a particular keystroke.
+
+ @param This - Protocol instance pointer.
+ @param NotificationHandle - The handle of the notification function being unregistered.
+
+
+ @retval EFI_SUCCESS - The notification function was unregistered successfully.
+ @retval EFI_INVALID_PARAMETER - The NotificationHandle is invalid.
+ @retval EFI_NOT_FOUND - Can not find the matching entry in database.
+
+**/
+EFI_STATUS
+EFIAPI
+KeyboardUnregisterKeyNotify (
+ IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
+ IN VOID *NotificationHandle
+ );
+
+/**
+ Push one key data to the EFI key buffer.
+
+ @param Queue Pointer to instance of EFI_KEY_QUEUE.
+ @param KeyData The key data to push.
+**/
+VOID
+PushEfikeyBufTail (
+ IN EFI_KEY_QUEUE *Queue,
+ IN EFI_KEY_DATA *KeyData
+ );
+
+/**
+ Judge whether is a registed key
+
+ @param RegsiteredData A pointer to a buffer that is filled in with the keystroke
+ state data for the key that was registered.
+ @param InputData A pointer to a buffer that is filled in with the keystroke
+ state data for the key that was pressed.
+
+ @retval TRUE Key be pressed matches a registered key.
+ @retval FLASE Match failed.
+
+**/
+BOOLEAN
+IsKeyRegistered (
+ IN EFI_KEY_DATA *RegsiteredData,
+ IN EFI_KEY_DATA *InputData
+ );
+
+#endif
diff --git a/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KeyboardDxe.inf b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KeyboardDxe.inf
new file mode 100644
index 0000000..81a31e0
--- /dev/null
+++ b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KeyboardDxe.inf
@@ -0,0 +1,84 @@
+## @file
+# Ps2 Keyboard Driver.
+#
+# Ps2 Keyboard Driver for UEFI. The keyboard type implemented follows IBM
+# compatible PS2 protocol using Scan Code Set 1.
+#
+# Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
+#
+# 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.
+#
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = Ps2KeyboardDxe
+ MODULE_UNI_FILE = Ps2KeyboardDxe.uni
+ FILE_GUID = 3DC82376-637B-40a6-A8FC-A565417F2C38
+ MODULE_TYPE = UEFI_DRIVER
+ VERSION_STRING = 1.0
+ ENTRY_POINT = InitializePs2Keyboard
+
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF EBC
+# DRIVER_BINDING = gKeyboardControllerDriver;
+# COMPONENT_NAME = gPs2KeyboardComponentName;
+# COMPONENT_NAME2 = gPs2KeyboardComponentName2;
+#
+
+[Sources]
+ ComponentName.c
+ Ps2Keyboard.h
+ Ps2KbdCtrller.c
+ Ps2KbdTextIn.c
+ Ps2Keyboard.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+
+[LibraryClasses]
+ MemoryAllocationLib
+ UefiRuntimeServicesTableLib
+ DebugLib
+ ReportStatusCodeLib
+ UefiBootServicesTableLib
+ UefiLib
+ UefiDriverEntryPoint
+ BaseLib
+ BaseMemoryLib
+ TimerLib
+ PcdLib
+ IoLib
+
+[Protocols]
+ gEfiSimpleTextInProtocolGuid ## BY_START
+ gEfiSimpleTextInputExProtocolGuid ## BY_START
+ gEfiPs2PolicyProtocolGuid ## SOMETIMES_CONSUMES
+ gEfiSioProtocolGuid ## TO_START
+ gEfiDevicePathProtocolGuid ## TO_START
+
+[FeaturePcd]
+ gEfiMdeModulePkgTokenSpaceGuid.PcdPs2KbdExtendedVerification ## CONSUMES
+
+[Pcd]
+ gEfiMdeModulePkgTokenSpaceGuid.PcdFastPS2Detection ## SOMETIMES_CONSUMES
+
+#
+# [Event]
+#
+# ##
+# # Timer event used to read key strokes at a regular interval.
+# #
+# EVENT_TYPE_PERIODIC_TIMER ## CONSUMES
+#
+
+[UserExtensions.TianoCore."ExtraFiles"]
+ Ps2KeyboardDxeExtra.uni
diff --git a/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KeyboardDxe.uni b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KeyboardDxe.uni
new file mode 100644
index 0000000..358cc63
--- /dev/null
+++ b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KeyboardDxe.uni
@@ -0,0 +1,23 @@
+// /** @file
+// Ps2 Keyboard Driver.
+//
+// Ps2 Keyboard Driver for UEFI. The keyboard type implemented follows IBM
+// compatible PS2 protocol using Scan Code Set 1.
+//
+// Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
+//
+// 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.
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT #language en-US "Ps2 Keyboard Driver"
+
+#string STR_MODULE_DESCRIPTION #language en-US "Ps2 Keyboard Driver for UEFI. The keyboard type implemented follows IBM compatible PS2 protocol using Scan Code Set 1."
+
diff --git a/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KeyboardDxeExtra.uni b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KeyboardDxeExtra.uni
new file mode 100644
index 0000000..7bca518
--- /dev/null
+++ b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KeyboardDxeExtra.uni
@@ -0,0 +1,20 @@
+// /** @file
+// Ps2KeyboardDxe Localized Strings and Content
+//
+// Copyright (c) 2013 - 2016, Intel Corporation. All rights reserved.<BR>
+//
+// 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.
+//
+// **/
+
+#string STR_PROPERTIES_MODULE_NAME
+#language en-US
+"PS2 Keyboard DXE Driver"
+
+
diff --git a/MdeModulePkg/Include/Protocol/Ps2Policy.h b/MdeModulePkg/Include/Protocol/Ps2Policy.h
new file mode 100644
index 0000000..14346ee
--- /dev/null
+++ b/MdeModulePkg/Include/Protocol/Ps2Policy.h
@@ -0,0 +1,41 @@
+/** @file
+ PS/2 policy protocol abstracts the specific platform initialization and settings.
+
+Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials are licensed and made available under
+the terms and conditions of the BSD License that 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.
+
+**/
+
+
+#ifndef _PS2_POLICY_PROTOCOL_H_
+#define _PS2_POLICY_PROTOCOL_H_
+
+#define EFI_PS2_POLICY_PROTOCOL_GUID \
+ { \
+ 0x4df19259, 0xdc71, 0x4d46, {0xbe, 0xf1, 0x35, 0x7b, 0xb5, 0x78, 0xc4, 0x18 } \
+ }
+
+#define EFI_KEYBOARD_CAPSLOCK 0x0004
+#define EFI_KEYBOARD_NUMLOCK 0x0002
+#define EFI_KEYBOARD_SCROLLLOCK 0x0001
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_PS2_INIT_HARDWARE) (
+ IN EFI_HANDLE Handle
+ );
+
+typedef struct {
+ UINT8 KeyboardLight;
+ EFI_PS2_INIT_HARDWARE Ps2InitHardware;
+} EFI_PS2_POLICY_PROTOCOL;
+
+extern EFI_GUID gEfiPs2PolicyProtocolGuid;
+
+#endif
diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index 7f50c88..e74b0d9 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -709,6 +709,14 @@
# @Prompt Enable S3 performance data support.
gEfiMdeModulePkgTokenSpaceGuid.PcdFirmwarePerformanceDataTableS3Support|TRUE|BOOLEAN|0x00010064
+ ## Indicates if PS2 keyboard does a extended verification during start.
+ # Add this PCD mainly consider the use case of simulator. This PCD maybe set to FALSE for
+ # Extended verification will take some performance. It can be set to FALSE for boot performance.<BR><BR>
+ # TRUE - Turn on PS2 keyboard extended verification.<BR>
+ # FALSE - Turn off PS2 keyboard extended verification.<BR>
+ # @Prompt Turn on PS2 Keyboard Extended Verification
+ gEfiMdeModulePkgTokenSpaceGuid.PcdPs2KbdExtendedVerification|TRUE|BOOLEAN|0x00010072
+
## Indicates if Serial device uses half hand shake.<BR><BR>
# TRUE - Serial device uses half hand shake.<BR>
# FALSE - Serial device doesn't use half hand shake.<BR>
diff --git a/MdeModulePkg/MdeModulePkg.dsc b/MdeModulePkg/MdeModulePkg.dsc
index b1ece7b..f1d7a14 100644
--- a/MdeModulePkg/MdeModulePkg.dsc
+++ b/MdeModulePkg/MdeModulePkg.dsc
@@ -247,6 +247,7 @@
MdeModulePkg/Bus/I2c/I2cDxe/I2cHostDxe.inf
MdeModulePkg/Bus/I2c/I2cDxe/I2cDxe.inf
MdeModulePkg/Bus/Isa/IsaBusDxe/IsaBusDxe.inf
+ MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KeyboardDxe.inf
MdeModulePkg/Core/Dxe/DxeMain.inf {
<LibraryClasses>