summaryrefslogtreecommitdiffstats
path: root/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c
diff options
context:
space:
mode:
Diffstat (limited to 'MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c')
-rw-r--r--MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c559
1 files changed, 291 insertions, 268 deletions
diff --git a/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c
index d8d050b0a9..77dc226222 100644
--- a/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c
+++ b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c
@@ -9,13 +9,11 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
#include "Ps2Keyboard.h"
struct {
- UINT8 ScanCode; ///< follows value defined in Scan Code Set1
- UINT16 EfiScanCode;
- CHAR16 UnicodeChar;
- CHAR16 ShiftUnicodeChar;
-}
-ConvertKeyboardScanCodeToEfiKey[] = {
-
+ UINT8 ScanCode; ///< follows value defined in Scan Code Set1
+ UINT16 EfiScanCode;
+ CHAR16 UnicodeChar;
+ CHAR16 ShiftUnicodeChar;
+} ConvertKeyboardScanCodeToEfiKey[] = {
{
0x01, // Escape
SCAN_ESC,
@@ -335,7 +333,7 @@ ConvertKeyboardScanCodeToEfiKey[] = {
L'?'
},
{
- 0x36, //Right Shift
+ 0x36, // Right Shift
SCAN_NULL,
0x0000,
0x0000
@@ -347,7 +345,7 @@ ConvertKeyboardScanCodeToEfiKey[] = {
L'*'
},
{
- 0x38, //Left Alt/Extended Right Alt
+ 0x38, // Left Alt/Extended Right Alt
SCAN_NULL,
0x0000,
0x0000
@@ -359,7 +357,7 @@ ConvertKeyboardScanCodeToEfiKey[] = {
L' '
},
{
- 0x3A, //CapsLock
+ 0x3A, // CapsLock
SCAN_NULL,
0x0000,
0x0000
@@ -527,19 +525,19 @@ ConvertKeyboardScanCodeToEfiKey[] = {
0x0000
},
{
- 0x5B, //Left LOGO
+ 0x5B, // Left LOGO
SCAN_NULL,
0x0000,
0x0000
},
{
- 0x5C, //Right LOGO
+ 0x5C, // Right LOGO
SCAN_NULL,
0x0000,
0x0000
},
{
- 0x5D, //Menu key
+ 0x5D, // Menu key
SCAN_NULL,
0x0000,
0x0000
@@ -557,9 +555,7 @@ ConvertKeyboardScanCodeToEfiKey[] = {
//
UINTN mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;
-BOOLEAN mEnableMouseInterface;
-
-
+BOOLEAN mEnableMouseInterface;
/**
Return the count of scancode in the queue.
@@ -570,7 +566,7 @@ BOOLEAN mEnableMouseInterface;
**/
UINTN
GetScancodeBufCount (
- IN SCAN_CODE_QUEUE *Queue
+ IN SCAN_CODE_QUEUE *Queue
)
{
if (Queue->Head <= Queue->Tail) {
@@ -594,13 +590,13 @@ GetScancodeBufCount (
**/
EFI_STATUS
GetScancodeBufHead (
- IN SCAN_CODE_QUEUE *Queue,
- IN UINTN Count,
- OUT UINT8 *Buf
+ IN SCAN_CODE_QUEUE *Queue,
+ IN UINTN Count,
+ OUT UINT8 *Buf
)
{
- UINTN Index;
- UINTN Pos;
+ UINTN Index;
+ UINTN Pos;
//
// check the valid range of parameter 'Count'
@@ -608,6 +604,7 @@ GetScancodeBufHead (
if (GetScancodeBufCount (Queue) < Count) {
return EFI_NOT_READY;
}
+
//
// retrieve the values
//
@@ -632,12 +629,12 @@ GetScancodeBufHead (
**/
EFI_STATUS
PopScancodeBufHead (
- IN SCAN_CODE_QUEUE *Queue,
- IN UINTN Count,
- OUT UINT8 *Buf OPTIONAL
+ IN SCAN_CODE_QUEUE *Queue,
+ IN UINTN Count,
+ OUT UINT8 *Buf OPTIONAL
)
{
- UINTN Index;
+ UINTN Index;
//
// Check the valid range of parameter 'Count'
@@ -645,6 +642,7 @@ PopScancodeBufHead (
if (GetScancodeBufCount (Queue) < Count) {
return EFI_NOT_READY;
}
+
//
// Retrieve and remove the values
//
@@ -665,8 +663,8 @@ PopScancodeBufHead (
**/
VOID
PushScancodeBufTail (
- IN SCAN_CODE_QUEUE *Queue,
- IN UINT8 Scancode
+ IN SCAN_CODE_QUEUE *Queue,
+ IN UINT8 Scancode
)
{
if (GetScancodeBufCount (Queue) == KEYBOARD_SCAN_CODE_MAX_COUNT - 1) {
@@ -674,7 +672,7 @@ PushScancodeBufTail (
}
Queue->Buffer[Queue->Tail] = Scancode;
- Queue->Tail = (Queue->Tail + 1) % KEYBOARD_SCAN_CODE_MAX_COUNT;
+ Queue->Tail = (Queue->Tail + 1) % KEYBOARD_SCAN_CODE_MAX_COUNT;
}
/**
@@ -687,7 +685,7 @@ PushScancodeBufTail (
**/
UINT8
KeyReadDataRegister (
- IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
)
{
@@ -703,8 +701,8 @@ KeyReadDataRegister (
**/
VOID
KeyWriteDataRegister (
- IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
- IN UINT8 Data
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
+ IN UINT8 Data
)
{
IoWrite8 (ConsoleIn->DataRegisterAddress, Data);
@@ -720,7 +718,7 @@ KeyWriteDataRegister (
**/
UINT8
KeyReadStatusRegister (
- IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
)
{
return IoRead8 (ConsoleIn->StatusRegisterAddress);
@@ -735,8 +733,8 @@ KeyReadStatusRegister (
**/
VOID
KeyWriteCommandRegister (
- IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
- IN UINT8 Data
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
+ IN UINT8 Data
)
{
IoWrite8 (ConsoleIn->CommandRegisterAddress, Data);
@@ -751,8 +749,8 @@ KeyWriteCommandRegister (
**/
VOID
KeyboardError (
- IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
- IN CHAR16 *ErrMsg
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
+ IN CHAR16 *ErrMsg
)
{
ConsoleIn->KeyboardErr = TRUE;
@@ -772,28 +770,28 @@ KeyboardError (
VOID
EFIAPI
KeyboardTimerHandler (
- IN EFI_EVENT Event,
- IN VOID *Context
+ IN EFI_EVENT Event,
+ IN VOID *Context
)
{
- UINT8 Data;
- EFI_TPL OldTpl;
- KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;
+ UINT8 Data;
+ EFI_TPL OldTpl;
+ KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;
- ConsoleIn = (KEYBOARD_CONSOLE_IN_DEV *) Context;
+ ConsoleIn = (KEYBOARD_CONSOLE_IN_DEV *)Context;
//
// Enter critical section
//
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
- if (((KEYBOARD_CONSOLE_IN_DEV *) Context)->KeyboardErr) {
+ if (((KEYBOARD_CONSOLE_IN_DEV *)Context)->KeyboardErr) {
//
// Leave critical section and return
//
gBS->RestoreTPL (OldTpl);
- return ;
+ return;
}
//
@@ -805,14 +803,16 @@ KeyboardTimerHandler (
//
while ((KeyReadStatusRegister (ConsoleIn) & (KEYBOARD_STATUS_REGISTER_TRANSMIT_TIMEOUT|KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA)) ==
- 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);
//
@@ -876,15 +876,15 @@ KeyboardRead (
**/
EFI_STATUS
KeyboardWrite (
- IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
- IN UINT8 Data
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
+ IN UINT8 Data
)
{
UINT32 TimeOut;
UINT32 RegEmptied;
- TimeOut = 0;
- RegEmptied = 0;
+ TimeOut = 0;
+ RegEmptied = 0;
//
// wait for input buffer empty
@@ -901,6 +901,7 @@ KeyboardWrite (
if (RegEmptied == 0) {
return EFI_TIMEOUT;
}
+
//
// Write it
//
@@ -921,15 +922,15 @@ KeyboardWrite (
**/
EFI_STATUS
KeyboardCommand (
- IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
- IN UINT8 Data
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
+ IN UINT8 Data
)
{
UINT32 TimeOut;
UINT32 RegEmptied;
- TimeOut = 0;
- RegEmptied = 0;
+ TimeOut = 0;
+ RegEmptied = 0;
//
// Wait For Input Buffer Empty
@@ -946,6 +947,7 @@ KeyboardCommand (
if (RegEmptied == 0) {
return EFI_TIMEOUT;
}
+
//
// issue the command
//
@@ -985,8 +987,8 @@ KeyboardCommand (
**/
EFI_STATUS
KeyboardWaitForValue (
- IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
- IN UINT8 Value
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
+ IN UINT8 Value
)
{
UINT8 Data;
@@ -994,9 +996,9 @@ KeyboardWaitForValue (
UINT32 SumTimeOut;
UINT32 GotIt;
- GotIt = 0;
- TimeOut = 0;
- SumTimeOut = 0;
+ GotIt = 0;
+ TimeOut = 0;
+ SumTimeOut = 0;
//
// Make sure the initial value of 'Data' is different from 'Value'
@@ -1005,6 +1007,7 @@ KeyboardWaitForValue (
if (Data == Value) {
Data = 1;
}
+
//
// Read from 8042 (multiple times if needed)
// until the expected value appears
@@ -1034,6 +1037,7 @@ KeyboardWaitForValue (
break;
}
}
+
//
// Check results
//
@@ -1042,7 +1046,6 @@ KeyboardWaitForValue (
} else {
return EFI_TIMEOUT;
}
-
}
/**
@@ -1056,7 +1059,7 @@ KeyboardWaitForValue (
**/
EFI_STATUS
UpdateStatusLights (
- IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
)
{
EFI_STATUS Status;
@@ -1106,28 +1109,28 @@ UpdateStatusLights (
**/
VOID
InitializeKeyState (
- IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
- OUT EFI_KEY_STATE *KeyState
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
+ OUT EFI_KEY_STATE *KeyState
)
{
- KeyState->KeyShiftState = 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)
- ;
+ KeyState->KeyShiftState = 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)
+ ;
KeyState->KeyToggleState = 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)
- ;
+ | (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)
+ ;
}
/**
@@ -1140,7 +1143,7 @@ InitializeKeyState (
**/
VOID
KeyGetchar (
- IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
+ IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
)
{
EFI_STATUS Status;
@@ -1154,8 +1157,8 @@ KeyGetchar (
//
// 3 bytes most
//
- UINT8 ScancodeArr[3];
- UINT32 ScancodeArrPos;
+ UINT8 ScancodeArr[3];
+ UINT32 ScancodeArrPos;
//
// Check if there are enough bytes of scancode representing a single key
@@ -1165,32 +1168,33 @@ KeyGetchar (
Extend0 = FALSE;
Extend1 = FALSE;
ScancodeArrPos = 0;
- Status = GetScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);
+ Status = GetScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);
if (EFI_ERROR (Status)) {
- return ;
+ return;
}
if (ScancodeArr[ScancodeArrPos] == SCANCODE_EXTENDED0) {
//
// E0 to look ahead 2 bytes
//
- Extend0 = TRUE;
+ Extend0 = TRUE;
ScancodeArrPos = 1;
Status = GetScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);
if (EFI_ERROR (Status)) {
- return ;
+ return;
}
} else if (ScancodeArr[ScancodeArrPos] == SCANCODE_EXTENDED1) {
//
// E1 to look ahead 3 bytes
//
- Extend1 = TRUE;
+ Extend1 = TRUE;
ScancodeArrPos = 2;
Status = GetScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);
if (EFI_ERROR (Status)) {
- return ;
+ return;
}
}
+
//
// if we reach this position, scancodes for a key is in buffer now,pop them
//
@@ -1207,115 +1211,123 @@ KeyGetchar (
// Check for special keys and update the driver state.
//
switch (ScanCode) {
+ case SCANCODE_CTRL_MAKE:
+ if (Extend0) {
+ ConsoleIn->RightCtrl = TRUE;
+ } else {
+ ConsoleIn->LeftCtrl = TRUE;
+ }
- 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;
+ break;
+ case SCANCODE_CTRL_BREAK:
+ if (Extend0) {
+ ConsoleIn->RightCtrl = FALSE;
+ } else {
+ ConsoleIn->LeftCtrl = FALSE;
+ }
- case SCANCODE_ALT_MAKE:
+ break;
+
+ case SCANCODE_ALT_MAKE:
if (Extend0) {
ConsoleIn->RightAlt = TRUE;
} else {
- ConsoleIn->LeftAlt = TRUE;
+ ConsoleIn->LeftAlt = TRUE;
}
- break;
- case SCANCODE_ALT_BREAK:
+
+ break;
+ case SCANCODE_ALT_BREAK:
if (Extend0) {
ConsoleIn->RightAlt = FALSE;
} else {
- ConsoleIn->LeftAlt = FALSE;
+ 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_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;
+ }
- case SCANCODE_RIGHT_SHIFT_MAKE:
- ConsoleIn->RightShift = TRUE;
- break;
- case SCANCODE_RIGHT_SHIFT_BREAK:
- ConsoleIn->RightShift = FALSE;
- break;
+ continue;
- case SCANCODE_LEFT_LOGO_MAKE:
- ConsoleIn->LeftLogo = TRUE;
- break;
- case SCANCODE_LEFT_LOGO_BREAK:
- ConsoleIn->LeftLogo = FALSE;
- break;
+ case SCANCODE_LEFT_SHIFT_BREAK:
+ if (!Extend0) {
+ ConsoleIn->LeftShift = FALSE;
+ }
- case SCANCODE_RIGHT_LOGO_MAKE:
- ConsoleIn->RightLogo = TRUE;
- break;
- case SCANCODE_RIGHT_LOGO_BREAK:
- ConsoleIn->RightLogo = FALSE;
- break;
+ break;
- case SCANCODE_MENU_MAKE:
- ConsoleIn->Menu = TRUE;
- break;
- case SCANCODE_MENU_BREAK:
- ConsoleIn->Menu = 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;
+ }
- case SCANCODE_SYS_REQ_MAKE:
- if (Extend0) {
+ break;
+
+ case SCANCODE_SYS_REQ_MAKE_WITH_ALT:
ConsoleIn->SysReq = TRUE;
- }
- break;
- case SCANCODE_SYS_REQ_BREAK:
- if (Extend0) {
+ break;
+ case SCANCODE_SYS_REQ_BREAK_WITH_ALT:
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;
+ 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;
+ case SCANCODE_CAPS_LOCK_MAKE:
+ ConsoleIn->CapsLock = (BOOLEAN) !ConsoleIn->CapsLock;
UpdateStatusLights (ConsoleIn);
- }
- break;
+ 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;
}
}
@@ -1333,9 +1345,10 @@ KeyGetchar (
// Handle Ctrl+Alt+Del hotkey
//
if ((ConsoleIn->LeftCtrl || ConsoleIn->RightCtrl) &&
- (ConsoleIn->LeftAlt || ConsoleIn->RightAlt ) &&
- ScanCode == SCANCODE_DELETE_MAKE
- ) {
+ (ConsoleIn->LeftAlt || ConsoleIn->RightAlt) &&
+ (ScanCode == SCANCODE_DELETE_MAKE)
+ )
+ {
gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);
}
@@ -1349,34 +1362,34 @@ KeyGetchar (
//
// Key Pad "/" shares the same scancode as that of "/" except Key Pad "/" has E0 prefix
//
- if (Extend0 && ScanCode == 0x35) {
+ 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) {
+ //
+ // 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) {
+ //
+ // 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) {
+ //
+ // 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
- //
+ //
+ // 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) {
@@ -1384,7 +1397,8 @@ KeyGetchar (
KeyData.Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].UnicodeChar;
if ((ConsoleIn->LeftShift || ConsoleIn->RightShift) &&
- (ConvertKeyboardScanCodeToEfiKey[Index].UnicodeChar != ConvertKeyboardScanCodeToEfiKey[Index].ShiftUnicodeChar)) {
+ (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
@@ -1392,16 +1406,18 @@ KeyGetchar (
//
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');
+ 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;
}
}
@@ -1410,10 +1426,10 @@ KeyGetchar (
//
// distinguish numeric key pad keys' 'up symbol' and 'down symbol'
//
- if (ScanCode >= 0x47 && ScanCode <= 0x53) {
+ if ((ScanCode >= 0x47) && (ScanCode <= 0x53)) {
if (ConsoleIn->NumLock && !(ConsoleIn->LeftShift || ConsoleIn->RightShift) && !Extend0) {
KeyData.Key.ScanCode = SCAN_NULL;
- } else if (ScanCode != 0x4a && ScanCode != 0x4e) {
+ } else if ((ScanCode != 0x4a) && (ScanCode != 0x4e)) {
KeyData.Key.UnicodeChar = CHAR_NULL;
}
}
@@ -1421,9 +1437,9 @@ KeyGetchar (
//
// If the key can not be converted then just return.
//
- if (KeyData.Key.ScanCode == SCAN_NULL && KeyData.Key.UnicodeChar == CHAR_NULL) {
+ if ((KeyData.Key.ScanCode == SCAN_NULL) && (KeyData.Key.UnicodeChar == CHAR_NULL)) {
if (!ConsoleIn->IsSupportPartialKey) {
- return ;
+ return;
}
}
@@ -1465,28 +1481,28 @@ KeyGetchar (
**/
EFI_STATUS
InitKeyboard (
- IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
- IN BOOLEAN ExtendedVerification
+ 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;
+ EFI_STATUS Status;
+ EFI_STATUS Status1;
+ UINT8 CommandByte;
+ EFI_PS2_POLICY_PROTOCOL *Ps2Policy;
+ UINT32 TryTime;
- Status = EFI_SUCCESS;
- mEnableMouseInterface = TRUE;
- TryTime = 0;
+ Status = EFI_SUCCESS;
+ mEnableMouseInterface = TRUE;
+ TryTime = 0;
//
// Get Ps2 policy to set this
//
gBS->LocateProtocol (
- &gEfiPs2PolicyProtocolGuid,
- NULL,
- (VOID **) &Ps2Policy
- );
+ &gEfiPs2PolicyProtocolGuid,
+ NULL,
+ (VOID **)&Ps2Policy
+ );
REPORT_STATUS_CODE_WITH_DEVICE_PATH (
EFI_PROGRESS_CODE,
@@ -1501,8 +1517,9 @@ InitKeyboard (
if ((KeyReadStatusRegister (ConsoleIn) & KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA) != 0) {
while (!EFI_ERROR (Status) && TryTime < KEYBOARD_MAX_TRY) {
Status = KeyboardRead (ConsoleIn, &CommandByte);
- TryTime ++;
+ TryTime++;
}
+
//
// Exceed the max try times. The device may be error.
//
@@ -1511,6 +1528,7 @@ InitKeyboard (
goto Done;
}
}
+
//
// We should disable mouse interface during the initialization process
// since mouse device output could block keyboard device output in the
@@ -1544,6 +1562,7 @@ InitKeyboard (
KeyboardError (ConsoleIn, L"\n\r");
goto Done;
}
+
//
// Test the mouse enabling bit
//
@@ -1597,16 +1616,17 @@ InitKeyboard (
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:
@@ -1640,10 +1660,10 @@ InitKeyboard (
//
// Clear Memory Scancode Buffer
//
- ConsoleIn->ScancodeQueue.Head = 0;
- ConsoleIn->ScancodeQueue.Tail = 0;
- ConsoleIn->EfiKeyQueue.Head = 0;
- ConsoleIn->EfiKeyQueue.Tail = 0;
+ ConsoleIn->ScancodeQueue.Head = 0;
+ ConsoleIn->ScancodeQueue.Tail = 0;
+ ConsoleIn->EfiKeyQueue.Head = 0;
+ ConsoleIn->EfiKeyQueue.Tail = 0;
ConsoleIn->EfiKeyQueueForNotify.Head = 0;
ConsoleIn->EfiKeyQueueForNotify.Tail = 0;
@@ -1692,6 +1712,7 @@ InitKeyboard (
);
goto Done;
}
+
//
// Keyboard reset with a BAT(Basic Assurance Test)
//
@@ -1706,12 +1727,13 @@ InitKeyboard (
KeyboardError (ConsoleIn, L"Some specific value not acquired from 8042 controller!\n\r");
goto Done;
}
+
//
// wait for BAT completion code
//
- mWaitForValueTimeOut = KEYBOARD_BAT_TIMEOUT;
+ mWaitForValueTimeOut = KEYBOARD_BAT_TIMEOUT;
- Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_BAT_SUCCESS);
+ Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_BAT_SUCCESS);
if (EFI_ERROR (Status)) {
KeyboardError (ConsoleIn, L"Keyboard self test failed!\n\r");
goto Done;
@@ -1746,43 +1768,46 @@ InitKeyboard (
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 acquired from 8042 controller!\n\r");
- goto Done;
- }
- //
- if (Ps2Policy != NULL) {
- if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_CAPSLOCK) == EFI_KEYBOARD_CAPSLOCK) {
- ConsoleIn->CapsLock = TRUE;
+ //
+ // 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;
}
- if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_NUMLOCK) == EFI_KEYBOARD_NUMLOCK) {
- ConsoleIn->NumLock = TRUE;
+ Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);
+ if (EFI_ERROR (Status)) {
+ KeyboardError (ConsoleIn, L"Some specific value not acquired from 8042 controller!\n\r");
+ goto Done;
}
- if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_SCROLLLOCK) == EFI_KEYBOARD_SCROLLLOCK) {
- ConsoleIn->ScrollLock = TRUE;
+ //
+ 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;
+
+ //
+ // 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
//
@@ -1804,10 +1829,8 @@ Done:
} else {
return EFI_DEVICE_ERROR;
}
-
}
-
/**
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
@@ -1821,11 +1844,11 @@ Done:
BOOLEAN
EFIAPI
CheckKeyboardConnect (
- IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
+ IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
)
{
- EFI_STATUS Status;
- UINTN WaitForValueTimeOutBcakup;
+ EFI_STATUS Status;
+ UINTN WaitForValueTimeOutBcakup;
//
// enable keyboard itself and wait for its ack
@@ -1840,15 +1863,16 @@ CheckKeyboardConnect (
if (EFI_ERROR (Status)) {
return FALSE;
}
+
//
// wait for 1s
//
WaitForValueTimeOutBcakup = mWaitForValueTimeOut;
- mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;
- Status = KeyboardWaitForValue (
- ConsoleIn,
- KEYBOARD_CMDECHO_ACK
- );
+ mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;
+ Status = KeyboardWaitForValue (
+ ConsoleIn,
+ KEYBOARD_CMDECHO_ACK
+ );
mWaitForValueTimeOut = WaitForValueTimeOutBcakup;
if (EFI_ERROR (Status)) {
@@ -1860,4 +1884,3 @@ CheckKeyboardConnect (
return TRUE;
}
}
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-06 03:10:10 +0000