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-rw-r--r--MdeModulePkg/Bus/Usb/UsbKbDxe/EfiKey.c150
-rw-r--r--MdeModulePkg/Bus/Usb/UsbKbDxe/EfiKey.h8
-rw-r--r--MdeModulePkg/Bus/Usb/UsbKbDxe/KeyBoard.c56
3 files changed, 130 insertions, 84 deletions
diff --git a/MdeModulePkg/Bus/Usb/UsbKbDxe/EfiKey.c b/MdeModulePkg/Bus/Usb/UsbKbDxe/EfiKey.c
index fa1c7e0..c576b70f 100644
--- a/MdeModulePkg/Bus/Usb/UsbKbDxe/EfiKey.c
+++ b/MdeModulePkg/Bus/Usb/UsbKbDxe/EfiKey.c
@@ -259,9 +259,9 @@ USBKeyboardDriverBindingStart (
UsbKeyboardDevice->SimpleInputEx.SetState = USBKeyboardSetState;
UsbKeyboardDevice->SimpleInputEx.RegisterKeyNotify = USBKeyboardRegisterKeyNotify;
UsbKeyboardDevice->SimpleInputEx.UnregisterKeyNotify = USBKeyboardUnregisterKeyNotify;
-
+
InitializeListHead (&UsbKeyboardDevice->NotifyList);
-
+
Status = gBS->CreateEvent (
EVT_TIMER | EVT_NOTIFY_SIGNAL,
TPL_NOTIFY,
@@ -546,7 +546,7 @@ USBKeyboardDriverBindingStop (
DestroyQueue (&UsbKeyboardDevice->UsbKeyQueue);
DestroyQueue (&UsbKeyboardDevice->EfiKeyQueue);
-
+
FreePool (UsbKeyboardDevice);
return Status;
@@ -676,14 +676,25 @@ USBKeyboardReadKeyStroke (
UsbKeyboardDevice = USB_KB_DEV_FROM_THIS (This);
- Status = USBKeyboardReadKeyStrokeWorker (UsbKeyboardDevice, &KeyData);
- if (EFI_ERROR (Status)) {
- return Status;
+ //
+ // 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) {
+ Status = USBKeyboardReadKeyStrokeWorker (UsbKeyboardDevice, &KeyData);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // SimpleTextIn Protocol doesn't support partial keystroke;
+ //
+ if (KeyData.Key.ScanCode == CHAR_NULL && KeyData.Key.UnicodeChar == SCAN_NULL) {
+ continue;
+ }
+ CopyMem (Key, &KeyData.Key, sizeof (EFI_INPUT_KEY));
+ return EFI_SUCCESS;
}
-
- CopyMem (Key, &KeyData.Key, sizeof (EFI_INPUT_KEY));
-
- return EFI_SUCCESS;
}
@@ -703,15 +714,42 @@ USBKeyboardWaitForKey (
)
{
USB_KB_DEV *UsbKeyboardDevice;
+ EFI_KEY_DATA KeyData;
+ EFI_TPL OldTpl;
UsbKeyboardDevice = (USB_KB_DEV *) Context;
- if (!IsQueueEmpty (&UsbKeyboardDevice->EfiKeyQueue)) {
+ //
+ // Enter critical section
+ //
+ OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
+
+ //
+ // 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 (!IsQueueEmpty (&UsbKeyboardDevice->EfiKeyQueue)) {
//
// If there is pending key, signal the event.
//
+ CopyMem (
+ &KeyData,
+ UsbKeyboardDevice->EfiKeyQueue.Buffer[UsbKeyboardDevice->EfiKeyQueue.Head],
+ sizeof (EFI_KEY_DATA)
+ );
+ if (KeyData.Key.ScanCode == SCAN_NULL && KeyData.Key.UnicodeChar == CHAR_NULL) {
+ Dequeue (&UsbKeyboardDevice->EfiKeyQueue, &KeyData, sizeof (EFI_KEY_DATA));
+ continue;
+ }
gBS->SignalEvent (Event);
+ break;
}
+ //
+ // Leave critical section and return
+ //
+ gBS->RestoreTPL (OldTpl);
}
/**
@@ -733,7 +771,7 @@ USBKeyboardTimerHandler (
EFI_KEY_DATA KeyData;
UsbKeyboardDevice = (USB_KB_DEV *) Context;
-
+
//
// Fetch raw data from the USB keyboard buffer,
// and translate it into USB keycode.
@@ -783,7 +821,7 @@ KbdFreeNotifyList (
RemoveEntryList (Link);
FreePool (NotifyNode);
}
-
+
return EFI_SUCCESS;
}
@@ -804,29 +842,29 @@ IsKeyRegistered (
)
{
ASSERT (RegsiteredData != NULL && InputData != NULL);
-
+
if ((RegsiteredData->Key.ScanCode != InputData->Key.ScanCode) ||
(RegsiteredData->Key.UnicodeChar != InputData->Key.UnicodeChar)) {
- return FALSE;
- }
-
+ 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;
- }
+ return FALSE;
+ }
if (RegsiteredData->KeyState.KeyToggleState != 0 &&
RegsiteredData->KeyState.KeyToggleState != InputData->KeyState.KeyToggleState) {
- return FALSE;
- }
-
+ return FALSE;
+ }
+
return TRUE;
}
//
-// Simple Text Input Ex protocol functions
+// Simple Text Input Ex protocol functions
//
/**
Resets the input device hardware.
@@ -867,6 +905,9 @@ USBKeyboardResetEx (
return EFI_DEVICE_ERROR;
}
+ UsbKeyboardDevice->KeyState.KeyShiftState = EFI_SHIFT_STATE_VALID;
+ UsbKeyboardDevice->KeyState.KeyToggleState = EFI_TOGGLE_STATE_VALID;
+
return EFI_SUCCESS;
}
@@ -901,7 +942,7 @@ USBKeyboardReadKeyStrokeEx (
UsbKeyboardDevice = TEXT_INPUT_EX_USB_KB_DEV_FROM_THIS (This);
return USBKeyboardReadKeyStrokeWorker (UsbKeyboardDevice, KeyData);
-
+
}
/**
@@ -933,7 +974,8 @@ USBKeyboardSetState (
UsbKeyboardDevice = TEXT_INPUT_EX_USB_KB_DEV_FROM_THIS (This);
- if ((*KeyToggleState & EFI_TOGGLE_STATE_VALID) != EFI_TOGGLE_STATE_VALID) {
+ if (((UsbKeyboardDevice->KeyState.KeyToggleState & EFI_TOGGLE_STATE_VALID) != EFI_TOGGLE_STATE_VALID) ||
+ ((*KeyToggleState & EFI_TOGGLE_STATE_VALID) != EFI_TOGGLE_STATE_VALID)) {
return EFI_UNSUPPORTED;
}
@@ -944,7 +986,8 @@ USBKeyboardSetState (
UsbKeyboardDevice->ScrollOn = FALSE;
UsbKeyboardDevice->NumLockOn = FALSE;
UsbKeyboardDevice->CapsOn = FALSE;
-
+ UsbKeyboardDevice->IsSupportPartialKey = FALSE;
+
if ((*KeyToggleState & EFI_SCROLL_LOCK_ACTIVE) == EFI_SCROLL_LOCK_ACTIVE) {
UsbKeyboardDevice->ScrollOn = TRUE;
}
@@ -954,11 +997,16 @@ USBKeyboardSetState (
if ((*KeyToggleState & EFI_CAPS_LOCK_ACTIVE) == EFI_CAPS_LOCK_ACTIVE) {
UsbKeyboardDevice->CapsOn = TRUE;
}
+ if ((*KeyToggleState & EFI_KEY_STATE_EXPOSED) == EFI_KEY_STATE_EXPOSED) {
+ UsbKeyboardDevice->IsSupportPartialKey = TRUE;
+ }
SetKeyLED (UsbKeyboardDevice);
+ UsbKeyboardDevice->KeyState.KeyToggleState = *KeyToggleState;
+
return EFI_SUCCESS;
-
+
}
/**
@@ -989,7 +1037,7 @@ USBKeyboardRegisterKeyNotify (
KEYBOARD_CONSOLE_IN_EX_NOTIFY *NewNotify;
LIST_ENTRY *Link;
LIST_ENTRY *NotifyList;
- KEYBOARD_CONSOLE_IN_EX_NOTIFY *CurrentNotify;
+ KEYBOARD_CONSOLE_IN_EX_NOTIFY *CurrentNotify;
if (KeyData == NULL || NotifyHandle == NULL || KeyNotificationFunction == NULL) {
return EFI_INVALID_PARAMETER;
@@ -1001,43 +1049,43 @@ USBKeyboardRegisterKeyNotify (
// Return EFI_SUCCESS if the (KeyData, NotificationFunction) is already registered.
//
NotifyList = &UsbKeyboardDevice->NotifyList;
-
+
for (Link = GetFirstNode (NotifyList);
!IsNull (NotifyList, Link);
Link = GetNextNode (NotifyList, Link)) {
CurrentNotify = CR (
- Link,
- KEYBOARD_CONSOLE_IN_EX_NOTIFY,
- NotifyEntry,
+ Link,
+ KEYBOARD_CONSOLE_IN_EX_NOTIFY,
+ NotifyEntry,
USB_KB_CONSOLE_IN_EX_NOTIFY_SIGNATURE
);
- if (IsKeyRegistered (&CurrentNotify->KeyData, KeyData)) {
+ if (IsKeyRegistered (&CurrentNotify->KeyData, KeyData)) {
if (CurrentNotify->KeyNotificationFn == KeyNotificationFunction) {
- *NotifyHandle = CurrentNotify->NotifyHandle;
+ *NotifyHandle = CurrentNotify->NotifyHandle;
return EFI_SUCCESS;
}
}
}
-
+
//
// Allocate resource to save the notification function
- //
+ //
NewNotify = (KEYBOARD_CONSOLE_IN_EX_NOTIFY *) AllocateZeroPool (sizeof (KEYBOARD_CONSOLE_IN_EX_NOTIFY));
if (NewNotify == NULL) {
return EFI_OUT_OF_RESOURCES;
}
- NewNotify->Signature = USB_KB_CONSOLE_IN_EX_NOTIFY_SIGNATURE;
+ NewNotify->Signature = USB_KB_CONSOLE_IN_EX_NOTIFY_SIGNATURE;
NewNotify->KeyNotificationFn = KeyNotificationFunction;
NewNotify->NotifyHandle = (EFI_HANDLE) NewNotify;
CopyMem (&NewNotify->KeyData, KeyData, sizeof (EFI_KEY_DATA));
InsertTailList (&UsbKeyboardDevice->NotifyList, &NewNotify->NotifyEntry);
- *NotifyHandle = NewNotify->NotifyHandle;
-
+ *NotifyHandle = NewNotify->NotifyHandle;
+
return EFI_SUCCESS;
-
+
}
/**
@@ -1064,14 +1112,14 @@ USBKeyboardUnregisterKeyNotify (
if (NotificationHandle == NULL) {
return EFI_INVALID_PARAMETER;
- }
+ }
if (((KEYBOARD_CONSOLE_IN_EX_NOTIFY *) NotificationHandle)->Signature != USB_KB_CONSOLE_IN_EX_NOTIFY_SIGNATURE) {
return EFI_INVALID_PARAMETER;
- }
-
+ }
+
UsbKeyboardDevice = TEXT_INPUT_EX_USB_KB_DEV_FROM_THIS (This);
-
+
//
// Traverse notify list of USB keyboard and remove the entry of NotificationHandle.
//
@@ -1080,18 +1128,18 @@ USBKeyboardUnregisterKeyNotify (
!IsNull (NotifyList, Link);
Link = GetNextNode (NotifyList, Link)) {
CurrentNotify = CR (
- Link,
- KEYBOARD_CONSOLE_IN_EX_NOTIFY,
- NotifyEntry,
+ Link,
+ KEYBOARD_CONSOLE_IN_EX_NOTIFY,
+ NotifyEntry,
USB_KB_CONSOLE_IN_EX_NOTIFY_SIGNATURE
- );
+ );
if (CurrentNotify->NotifyHandle == NotificationHandle) {
//
// Remove the notification function from NotifyList and free resources
//
- RemoveEntryList (&CurrentNotify->NotifyEntry);
+ RemoveEntryList (&CurrentNotify->NotifyEntry);
- FreePool (CurrentNotify);
+ FreePool (CurrentNotify);
return EFI_SUCCESS;
}
}
@@ -1099,6 +1147,6 @@ USBKeyboardUnregisterKeyNotify (
//
// Cannot find the matching entry in database.
//
- return EFI_INVALID_PARAMETER;
+ return EFI_INVALID_PARAMETER;
}
diff --git a/MdeModulePkg/Bus/Usb/UsbKbDxe/EfiKey.h b/MdeModulePkg/Bus/Usb/UsbKbDxe/EfiKey.h
index 2066c38..3ce383b 100644
--- a/MdeModulePkg/Bus/Usb/UsbKbDxe/EfiKey.h
+++ b/MdeModulePkg/Bus/Usb/UsbKbDxe/EfiKey.h
@@ -130,7 +130,7 @@ typedef struct {
EFI_EVENT RepeatTimer;
EFI_UNICODE_STRING_TABLE *ControllerNameTable;
-
+
BOOLEAN LeftCtrlOn;
BOOLEAN LeftAltOn;
BOOLEAN LeftShiftOn;
@@ -138,10 +138,14 @@ typedef struct {
BOOLEAN RightCtrlOn;
BOOLEAN RightAltOn;
BOOLEAN RightShiftOn;
- BOOLEAN RightLogoOn;
+ BOOLEAN RightLogoOn;
BOOLEAN MenuKeyOn;
BOOLEAN SysReqOn;
BOOLEAN AltGrOn;
+
+ BOOLEAN IsSupportPartialKey;
+
+ EFI_KEY_STATE KeyState;
//
// Notification function list
//
diff --git a/MdeModulePkg/Bus/Usb/UsbKbDxe/KeyBoard.c b/MdeModulePkg/Bus/Usb/UsbKbDxe/KeyBoard.c
index fe61219..8c67f67 100644
--- a/MdeModulePkg/Bus/Usb/UsbKbDxe/KeyBoard.c
+++ b/MdeModulePkg/Bus/Usb/UsbKbDxe/KeyBoard.c
@@ -296,10 +296,17 @@ UINT8 ModifierValueToEfiScanCodeConvertionTable[] = {
SCAN_F10, // EFI_FUNCTION_KEY_TEN_MODIFIER
SCAN_F11, // EFI_FUNCTION_KEY_ELEVEN_MODIFIER
SCAN_F12, // EFI_FUNCTION_KEY_TWELVE_MODIFIER
+ //
+ // For Partial Keystroke support
+ //
SCAN_NULL, // EFI_PRINT_MODIFIER
SCAN_NULL, // EFI_SYS_REQUEST_MODIFIER
SCAN_NULL, // EFI_SCROLL_LOCK_MODIFIER
- SCAN_PAUSE // EFI_PAUSE_MODIFIER
+ SCAN_PAUSE, // EFI_PAUSE_MODIFIER
+ SCAN_NULL, // EFI_BREAK_MODIFIER
+ SCAN_NULL, // EFI_LEFT_LOGO_MODIFIER
+ SCAN_NULL, // EFI_RIGHT_LOGO_MODIFER
+ SCAN_NULL, // EFI_MENU_MODIFER
};
/**
@@ -507,7 +514,7 @@ FindUsbNsKey (
LIST_ENTRY *Link;
LIST_ENTRY *NsKeyList;
USB_NS_KEY *UsbNsKey;
-
+
NsKeyList = &UsbKeyboardDevice->NsKeyList;
Link = GetFirstNode (NsKeyList);
while (!IsNull (NsKeyList, Link)) {
@@ -780,7 +787,7 @@ InitKeyboardLayout (
//
InstallDefaultKeyboardLayout (UsbKeyboardDevice);
}
-
+
return EFI_SUCCESS;
}
@@ -820,14 +827,14 @@ InitUSBKeyboard (
// Assumed the first config is the correct one and this is not always the case
//
Status = UsbGetConfiguration (
- UsbKeyboardDevice->UsbIo,
- &ConfigValue,
+ UsbKeyboardDevice->UsbIo,
+ &ConfigValue,
&TransferResult
);
if (EFI_ERROR (Status)) {
ConfigValue = 0x01;
}
-
+
//
// Uses default configuration to configure the USB Keyboard device.
//
@@ -891,7 +898,7 @@ InitUSBKeyboard (
UsbKeyboardDevice->NumLockOn = FALSE;
UsbKeyboardDevice->CapsOn = FALSE;
UsbKeyboardDevice->ScrollOn = FALSE;
-
+
UsbKeyboardDevice->LeftCtrlOn = FALSE;
UsbKeyboardDevice->LeftAltOn = FALSE;
UsbKeyboardDevice->LeftShiftOn = FALSE;
@@ -1033,7 +1040,7 @@ KeyboardHandler (
//
// Delete & Submit this interrupt again
- // Handler of DelayedRecoveryEvent triggered by timer will re-submit the interrupt.
+ // Handler of DelayedRecoveryEvent triggered by timer will re-submit the interrupt.
//
UsbIo->UsbAsyncInterruptTransfer (
UsbIo,
@@ -1382,12 +1389,10 @@ USBParseKey (
case EFI_LEFT_CONTROL_MODIFIER:
UsbKeyboardDevice->LeftCtrlOn = TRUE;
UsbKeyboardDevice->CtrlOn = TRUE;
- continue;
break;
case EFI_RIGHT_CONTROL_MODIFIER:
UsbKeyboardDevice->RightCtrlOn = TRUE;
UsbKeyboardDevice->CtrlOn = TRUE;
- continue;
break;
//
@@ -1396,12 +1401,10 @@ USBParseKey (
case EFI_LEFT_SHIFT_MODIFIER:
UsbKeyboardDevice->LeftShiftOn = TRUE;
UsbKeyboardDevice->ShiftOn = TRUE;
- continue;
break;
case EFI_RIGHT_SHIFT_MODIFIER:
UsbKeyboardDevice->RightShiftOn = TRUE;
UsbKeyboardDevice->ShiftOn = TRUE;
- continue;
break;
//
@@ -1410,12 +1413,10 @@ USBParseKey (
case EFI_LEFT_ALT_MODIFIER:
UsbKeyboardDevice->LeftAltOn = TRUE;
UsbKeyboardDevice->AltOn = TRUE;
- continue;
break;
case EFI_RIGHT_ALT_MODIFIER:
UsbKeyboardDevice->RightAltOn = TRUE;
UsbKeyboardDevice->AltOn = TRUE;
- continue;
break;
//
@@ -1445,7 +1446,6 @@ USBParseKey (
case EFI_PRINT_MODIFIER:
case EFI_SYS_REQUEST_MODIFIER:
UsbKeyboardDevice->SysReqOn = TRUE;
- continue;
break;
//
@@ -1461,7 +1461,6 @@ USBParseKey (
//
UsbKeyboardDevice->NumLockOn = (BOOLEAN) (!(UsbKeyboardDevice->NumLockOn));
SetKeyLED (UsbKeyboardDevice);
- continue;
break;
case EFI_CAPS_LOCK_MODIFIER:
@@ -1470,7 +1469,6 @@ USBParseKey (
//
UsbKeyboardDevice->CapsOn = (BOOLEAN) (!(UsbKeyboardDevice->CapsOn));
SetKeyLED (UsbKeyboardDevice);
- continue;
break;
case EFI_SCROLL_LOCK_MODIFIER:
@@ -1479,7 +1477,6 @@ USBParseKey (
//
UsbKeyboardDevice->ScrollOn = (BOOLEAN) (!(UsbKeyboardDevice->ScrollOn));
SetKeyLED (UsbKeyboardDevice);
- continue;
break;
default:
@@ -1529,18 +1526,11 @@ UsbKeyCodeToEfiInputKey (
EFI_KEY_DESCRIPTOR *KeyDescriptor;
LIST_ENTRY *Link;
LIST_ENTRY *NotifyList;
- KEYBOARD_CONSOLE_IN_EX_NOTIFY *CurrentNotify;
+ KEYBOARD_CONSOLE_IN_EX_NOTIFY *CurrentNotify;
//
- // KeyCode must in the range of 0x4 to 0x65
+ // KeyCode must in the range of [0x4, 0x65] or [0xe0, 0xe7].
//
- if (!USBKBD_VALID_KEYCODE (KeyCode)) {
- return EFI_INVALID_PARAMETER;
- }
- if ((KeyCode - 4) >= NUMBER_OF_VALID_NON_MODIFIER_USB_KEYCODE) {
- return EFI_INVALID_PARAMETER;
- }
-
KeyDescriptor = GetKeyDescriptor (UsbKeyboardDevice, KeyCode);
ASSERT (KeyDescriptor != NULL);
@@ -1618,7 +1608,7 @@ UsbKeyCodeToEfiInputKey (
if ((UsbKeyboardDevice->NumLockOn) && (!(UsbKeyboardDevice->ShiftOn))) {
KeyData->Key.ScanCode = SCAN_NULL;
} else {
- KeyData->Key.UnicodeChar = 0x00;
+ KeyData->Key.UnicodeChar = CHAR_NULL;
}
}
@@ -1627,14 +1617,16 @@ UsbKeyCodeToEfiInputKey (
//
if (KeyData->Key.UnicodeChar == 0x1B && KeyData->Key.ScanCode == SCAN_NULL) {
KeyData->Key.ScanCode = SCAN_ESC;
- KeyData->Key.UnicodeChar = 0x00;
+ KeyData->Key.UnicodeChar = CHAR_NULL;
}
//
// Not valid for key without both unicode key code and EFI Scan Code.
//
if (KeyData->Key.UnicodeChar == 0 && KeyData->Key.ScanCode == SCAN_NULL) {
+ if (!UsbKeyboardDevice->IsSupportPartialKey) {
return EFI_NOT_READY;
+ }
}
//
@@ -1683,14 +1675,16 @@ UsbKeyCodeToEfiInputKey (
if (UsbKeyboardDevice->CapsOn) {
KeyData->KeyState.KeyToggleState |= EFI_CAPS_LOCK_ACTIVE;
}
-
+ if (UsbKeyboardDevice->IsSupportPartialKey) {
+ KeyData->KeyState.KeyToggleState |= EFI_KEY_STATE_EXPOSED;
+ }
//
// Invoke notification functions if the key is registered.
//
NotifyList = &UsbKeyboardDevice->NotifyList;
for (Link = GetFirstNode (NotifyList); !IsNull (NotifyList, Link); Link = GetNextNode (NotifyList, Link)) {
CurrentNotify = CR (Link, KEYBOARD_CONSOLE_IN_EX_NOTIFY, NotifyEntry, USB_KB_CONSOLE_IN_EX_NOTIFY_SIGNATURE);
- if (IsKeyRegistered (&CurrentNotify->KeyData, KeyData)) {
+ if (IsKeyRegistered (&CurrentNotify->KeyData, KeyData)) {
CurrentNotify->KeyNotificationFn (KeyData);
}
}