diff options
| author | Guo Mang <mang.guo@intel.com> | 2016-12-22 16:12:38 +0800 |
|---|---|---|
| committer | Guo Mang <mang.guo@intel.com> | 2016-12-26 19:14:44 +0800 |
| commit | d90e91b58c592155171c7ccc70e8172a5609f913 (patch) | |
| tree | ed0d9f888be9c1069d36802ad51e9c43c5a47c5a /IntelFrameworkModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c | |
| parent | e76e21b0157d80044d202c9dcb1b3b679bbbce02 (diff) | |
| download | edk2-platforms-d90e91b58c592155171c7ccc70e8172a5609f913.tar.xz | |
IntelFrameworkModulePkg: Move to new location
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'IntelFrameworkModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c')
| -rw-r--r-- | IntelFrameworkModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c | 1908 |
1 files changed, 0 insertions, 1908 deletions
diff --git a/IntelFrameworkModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c b/IntelFrameworkModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c deleted file mode 100644 index 2a20b789a7..0000000000 --- a/IntelFrameworkModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c +++ /dev/null @@ -1,1908 +0,0 @@ -/** @file
- Routines that access 8042 keyboard controller
-
-Copyright (c) 2006 - 2011, 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
- )
-
-{
- EFI_ISA_IO_PROTOCOL *IsaIo;
- UINT8 Data;
-
- //
- // Use IsaIo protocol to perform IO operations
- //
- IsaIo = ConsoleIn->IsaIo;
-
- IsaIo->Io.Read (
- IsaIo,
- EfiIsaIoWidthUint8,
- ConsoleIn->DataRegisterAddress,
- 1,
- &Data
- );
-
- return Data;
-}
-
-/**
- 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
- )
-{
- ConsoleIn->IsaIo->Io.Write (
- ConsoleIn->IsaIo,
- EfiIsaIoWidthUint8,
- ConsoleIn->DataRegisterAddress,
- 1,
- &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
- )
-{
- UINT8 Data;
- ConsoleIn->IsaIo->Io.Read (
- ConsoleIn->IsaIo,
- EfiIsaIoWidthUint8,
- ConsoleIn->StatusRegisterAddress,
- 1,
- &Data
- );
- return Data;
-}
-
-/**
- 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
- )
-{
- ConsoleIn->IsaIo->Io.Write (
- ConsoleIn->IsaIo,
- EfiIsaIoWidthUint8,
- ConsoleIn->CommandRegisterAddress,
- 1,
- &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;
- }
-}
-
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