diff options
Diffstat (limited to 'EdkModulePkg/Bus/Usb/UsbKb/Dxe/keyboard.c')
| -rw-r--r-- | EdkModulePkg/Bus/Usb/UsbKb/Dxe/keyboard.c | 188 |
1 files changed, 94 insertions, 94 deletions
diff --git a/EdkModulePkg/Bus/Usb/UsbKb/Dxe/keyboard.c b/EdkModulePkg/Bus/Usb/UsbKb/Dxe/keyboard.c index 64bbd30d4b..d81a976fb0 100644 --- a/EdkModulePkg/Bus/Usb/UsbKb/Dxe/keyboard.c +++ b/EdkModulePkg/Bus/Usb/UsbKb/Dxe/keyboard.c @@ -1,18 +1,18 @@ /*++
-Copyright (c) 2006, Intel Corporation
-All rights reserved. This program and the accompanying materials
-are licensed and made available under the terms and conditions of the BSD License
-which accompanies this distribution. The full text of the license may be found at
-http://opensource.org/licenses/bsd-license.php
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+Copyright (c) 2006, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
Keyboard.c
-
+
Abstract:
Helper functions for USB Keyboard Driver
@@ -85,8 +85,8 @@ UINT8 KeyConvertionTable[USB_KEYCODE_MAX_MAKE][3] = { { SCAN_NULL, 0x00, 0x00 }, // 0x39 CapsLock
{ SCAN_F1, 0x00, 0x00 }, // 0x3A
{ SCAN_F2, 0x00, 0x00 }, // 0x3B
- { SCAN_F3, 0x00, 0x00 }, // 0x3C
- { SCAN_F4, 0x00, 0x00 }, // 0x3D
+ { SCAN_F3, 0x00, 0x00 }, // 0x3C
+ { SCAN_F4, 0x00, 0x00 }, // 0x3D
{ SCAN_F5, 0x00, 0x00 }, // 0x3E
{ SCAN_F6, 0x00, 0x00 }, // 0x3F
{ SCAN_F7, 0x00, 0x00 }, // 0x40
@@ -132,14 +132,14 @@ UINT8 KeyConvertionTable[USB_KEYCODE_MAX_MAKE][3] = { };
STATIC KB_MODIFIER KB_Mod[8] = {
- { MOD_CONTROL_L, 0xe0 }, // 11100000
- { MOD_CONTROL_R, 0xe4 }, // 11100100
- { MOD_SHIFT_L, 0xe1 }, // 11100001
- { MOD_SHIFT_R, 0xe5 }, // 11100101
- { MOD_ALT_L, 0xe2 }, // 11100010
- { MOD_ALT_R, 0xe6 }, // 11100110
- { MOD_WIN_L, 0xe3 }, // 11100011
- { MOD_WIN_R, 0xe7 } // 11100111
+ { MOD_CONTROL_L, 0xe0 }, // 11100000
+ { MOD_CONTROL_R, 0xe4 }, // 11100100
+ { MOD_SHIFT_L, 0xe1 }, // 11100001
+ { MOD_SHIFT_R, 0xe5 }, // 11100101
+ { MOD_ALT_L, 0xe2 }, // 11100010
+ { MOD_ALT_R, 0xe6 }, // 11100110
+ { MOD_WIN_L, 0xe3 }, // 11100011
+ { MOD_WIN_R, 0xe7 } // 11100111
};
@@ -148,16 +148,16 @@ IsUSBKeyboard ( IN EFI_USB_IO_PROTOCOL *UsbIo
)
/*++
-
+
Routine Description:
Uses USB I/O to check whether the device is a USB Keyboard device.
-
+
Arguments:
UsbIo: Points to a USB I/O protocol instance.
-
+
Returns:
-
---*/
+
+--*/
{
EFI_STATUS Status;
EFI_USB_INTERFACE_DESCRIPTOR InterfaceDescriptor;
@@ -192,13 +192,13 @@ InitUSBKeyboard ( IN USB_KB_DEV *UsbKeyboardDevice
)
/*++
-
+
Routine Description:
Initialize USB Keyboard device and all private data structures.
-
+
Arguments:
UsbKeyboardDevice The USB_KB_DEV instance.
-
+
Returns:
EFI_SUCCESS - Success
EFI_DEVICE_ERROR - Hardware Error
@@ -289,7 +289,7 @@ InitUSBKeyboard ( UsbKeyboardDevice->ShiftOn = 0;
UsbKeyboardDevice->NumLockOn = 0;
UsbKeyboardDevice->CapsOn = 0;
- UsbKeyboardDevice->ScrollOn = 0;
+ UsbKeyboardDevice->ScrollOn = 0;
ZeroMem (UsbKeyboardDevice->LastKeyCodeArray, sizeof (UINT8) * 8);
//
@@ -301,8 +301,8 @@ InitUSBKeyboard ( }
Status = gBS->CreateEvent (
- EFI_EVENT_TIMER | EFI_EVENT_NOTIFY_SIGNAL,
- EFI_TPL_NOTIFY,
+ EVT_TIMER | EVT_NOTIFY_SIGNAL,
+ TPL_NOTIFY,
USBKeyboardRepeatHandler,
UsbKeyboardDevice,
&UsbKeyboardDevice->RepeatTimer
@@ -314,8 +314,8 @@ InitUSBKeyboard ( }
Status = gBS->CreateEvent (
- EFI_EVENT_TIMER | EFI_EVENT_NOTIFY_SIGNAL,
- EFI_TPL_NOTIFY,
+ EVT_TIMER | EVT_NOTIFY_SIGNAL,
+ TPL_NOTIFY,
USBKeyboardRecoveryHandler,
UsbKeyboardDevice,
&UsbKeyboardDevice->DelayedRecoveryEvent
@@ -333,21 +333,21 @@ KeyboardHandler ( IN UINT32 Result
)
/*++
-
+
Routine Description:
Handler function for USB Keyboard's asynchronous interrupt transfer.
-
+
Arguments:
Data A pointer to a buffer that is filled with key data which is
retrieved via asynchronous interrupt transfer.
DataLength Indicates the size of the data buffer.
Context Pointing to USB_KB_DEV instance.
Result Indicates the result of the asynchronous interrupt transfer.
-
+
Returns:
EFI_SUCCESS - Success
EFI_DEVICE_ERROR - Hardware Error
---*/
+--*/
{
USB_KB_DEV *UsbKeyboardDevice;
EFI_USB_IO_PROTOCOL *UsbIo;
@@ -402,11 +402,11 @@ KeyboardHandler ( &UsbStatus
);
}
-
+
//
// Delete & Submit this interrupt again
//
-
+
UsbIo->UsbAsyncInterruptTransfer (
UsbIo,
UsbKeyboardDevice->IntEndpointDescriptor.EndpointAddress,
@@ -446,7 +446,7 @@ KeyboardHandler ( if (Index == 8) {
return EFI_SUCCESS;
}
-
+
//
// Parse the modifier key
//
@@ -469,7 +469,7 @@ KeyboardHandler ( InsertKeyCode (&(UsbKeyboardDevice->KeyboardBuffer), KB_Mod[Index].Key, Down);
}
}
-
+
//
// handle normal key's releasing situation
//
@@ -507,7 +507,7 @@ KeyboardHandler ( }
}
}
-
+
//
// original repeat key is released, cancel the repeat timer
//
@@ -518,7 +518,7 @@ KeyboardHandler ( USBKBD_REPEAT_RATE
);
}
-
+
//
// handle normal key's pressing situation
//
@@ -558,7 +558,7 @@ KeyboardHandler ( }
}
}
-
+
//
// Update LastKeycodeArray[] buffer in the
// Usb Keyboard Device data structure.
@@ -566,7 +566,7 @@ KeyboardHandler ( for (Index = 0; Index < 8; Index++) {
UsbKeyboardDevice->LastKeyCodeArray[Index] = CurKeyCodeBuffer[Index];
}
-
+
//
// pre-process KeyboardBuffer, pop out the ctrl,alt,del key in sequence
// and judge whether it will invoke reset event.
@@ -611,7 +611,7 @@ KeyboardHandler ( default:
break;
}
-
+
//
// insert the key back to the buffer.
// so the key sequence will not be destroyed.
@@ -651,18 +651,18 @@ USBParseKey ( OUT UINT8 *KeyChar
)
/*++
-
+
Routine Description:
Retrieves a key character after parsing the raw data in keyboard buffer.
-
+
Arguments:
UsbKeyboardDevice The USB_KB_DEV instance.
KeyChar Points to the Key character after key parsing.
-
+
Returns:
EFI_SUCCESS - Success
- EFI_NOT_READY - Device is not ready
---*/
+ EFI_NOT_READY - Device is not ready
+--*/
{
USB_KEY UsbKey;
@@ -698,7 +698,7 @@ USBParseKey ( continue;
}
-
+
//
// Analyzes key pressing situation
//
@@ -762,7 +762,7 @@ USBParseKey ( UsbKeyboardDevice->ScrollOn ^= 1;
SetKeyLED (UsbKeyboardDevice);
continue;
- break;
+ break;
case 0x48:
//
// fall through
@@ -775,7 +775,7 @@ USBParseKey ( default:
break;
}
-
+
//
// When encountered Del Key...
//
@@ -801,15 +801,15 @@ USBKeyCodeToEFIScanCode ( OUT EFI_INPUT_KEY *Key
)
/*++
-
+
Routine Description:
Converts USB Keyboard code to EFI Scan Code.
-
- Arguments:
+
+ Arguments:
UsbKeyboardDevice The USB_KB_DEV instance.
- KeyChar Indicates the key code that will be interpreted.
- Key A pointer to a buffer that is filled in with
- the keystroke information for the key that
+ KeyChar Indicates the key code that will be interpreted.
+ Key A pointer to a buffer that is filled in with
+ the keystroke information for the key that
was pressed.
Returns:
EFI_NOT_READY - Device is not ready
@@ -821,7 +821,7 @@ USBKeyCodeToEFIScanCode ( if (!USBKBD_VALID_KEYCODE (KeyChar)) {
return EFI_NOT_READY;
}
-
+
//
// valid USB Key Code starts from 4
//
@@ -881,16 +881,16 @@ InitUSBKeyBuffer ( IN OUT USB_KB_BUFFER *KeyboardBuffer
)
/*++
-
+
Routine Description:
Resets USB Keyboard Buffer.
-
+
Arguments:
KeyboardBuffer - Points to the USB Keyboard Buffer.
-
+
Returns:
EFI_SUCCESS - Success
---*/
+--*/
{
ZeroMem (KeyboardBuffer, sizeof (USB_KB_BUFFER));
@@ -904,15 +904,15 @@ IsUSBKeyboardBufferEmpty ( IN USB_KB_BUFFER *KeyboardBuffer
)
/*++
-
+
Routine Description:
Check whether USB Keyboard buffer is empty.
-
+
Arguments:
KeyboardBuffer - USB Keyboard Buffer.
-
+
Returns:
-
+
--*/
{
//
@@ -927,18 +927,18 @@ IsUSBKeyboardBufferFull ( IN USB_KB_BUFFER *KeyboardBuffer
)
/*++
-
+
Routine Description:
Check whether USB Keyboard buffer is full.
-
+
Arguments:
KeyboardBuffer - USB Keyboard Buffer.
-
+
Returns:
-
+
--*/
{
- return (BOOLEAN)(((KeyboardBuffer->bTail + 1) % (MAX_KEY_ALLOWED + 1)) ==
+ return (BOOLEAN)(((KeyboardBuffer->bTail + 1) % (MAX_KEY_ALLOWED + 1)) ==
KeyboardBuffer->bHead);
}
@@ -950,10 +950,10 @@ InsertKeyCode ( IN UINT8 Down
)
/*++
-
+
Routine Description:
Inserts a key code into keyboard buffer.
-
+
Arguments:
KeyboardBuffer - Points to the USB Keyboard Buffer.
Key - Key code
@@ -989,18 +989,18 @@ RemoveKeyCode ( OUT USB_KEY *UsbKey
)
/*++
-
+
Routine Description:
Pops a key code off from keyboard buffer.
-
+
Arguments:
KeyboardBuffer - Points to the USB Keyboard Buffer.
UsbKey - Points to the buffer that contains a usb key code.
-
+
Returns:
EFI_SUCCESS - Success
EFI_DEVICE_ERROR - Hardware Error
---*/
+--*/
{
if (IsUSBKeyboardBufferEmpty (KeyboardBuffer)) {
return EFI_DEVICE_ERROR;
@@ -1022,16 +1022,16 @@ SetKeyLED ( IN USB_KB_DEV *UsbKeyboardDevice
)
/*++
-
+
Routine Description:
Sets USB Keyboard LED state.
-
+
Arguments:
UsbKeyboardDevice - The USB_KB_DEV instance.
-
+
Returns:
EFI_SUCCESS - Success
---*/
+--*/
{
LED_MAP Led;
UINT8 ReportId;
@@ -1041,7 +1041,7 @@ SetKeyLED ( //
Led.NumLock = (UINT8) UsbKeyboardDevice->NumLockOn;
Led.CapsLock = (UINT8) UsbKeyboardDevice->CapsOn;
- Led.ScrollLock = (UINT8) UsbKeyboardDevice->ScrollOn;
+ Led.ScrollLock = (UINT8) UsbKeyboardDevice->ScrollOn;
Led.Resrvd = 0;
ReportId = 0;
@@ -1067,17 +1067,17 @@ USBKeyboardRepeatHandler ( IN VOID *Context
)
/*++
-
+
Routine Description:
Timer handler for Repeat Key timer.
-
+
Arguments:
Event - The Repeat Key event.
Context - Points to the USB_KB_DEV instance.
-
+
Returns:
-
---*/
+
+--*/
{
USB_KB_DEV *UsbKeyboardDevice;
@@ -1115,17 +1115,17 @@ USBKeyboardRecoveryHandler ( IN VOID *Context
)
/*++
-
+
Routine Description:
Timer handler for Delayed Recovery timer.
-
+
Arguments:
Event - The Delayed Recovery event.
Context - Points to the USB_KB_DEV instance.
-
+
Returns:
-
---*/
+
+--*/
{
USB_KB_DEV *UsbKeyboardDevice;
|