/** @file\r
+ Header file for USB Keyboard Driver's Data Structures.\r
\r
- Header file for USB Keyboard Driver's Data Structures.\r
-\r
-Copyright (c) 2004 - 2008, Intel Corporation\r
-All rights reserved. This program and the accompanying materials\r
+Copyright (c) 2004 - 2011, Intel Corporation. All rights reserved.<BR>\r
+This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
#include <Protocol/HiiDatabase.h>\r
#include <Protocol/UsbIo.h>\r
#include <Protocol/DevicePath.h>\r
+\r
#include <Guid/HiiKeyBoardLayout.h>\r
-#include <Guid/HotPlugDevice.h>\r
+#include <Guid/UsbKeyBoardLayout.h>\r
\r
#include <Library/DebugLib.h>\r
#include <Library/ReportStatusCodeLib.h>\r
#include <Library/UefiLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/PcdLib.h>\r
-#include <Library/UsbLib.h>\r
-#include <Library/BaseLib.h>\r
+#include <Library/UefiUsbLib.h>\r
+#include <Library/HiiLib.h>\r
\r
#include <IndustryStandard/Usb.h>\r
\r
+#define KEYBOARD_TIMER_INTERVAL 200000 // 0.02s\r
+\r
#define MAX_KEY_ALLOWED 32\r
\r
#define HZ 1000 * 1000 * 10\r
#define REPORT_PROTOCOL 1\r
\r
typedef struct {\r
- UINT8 Down;\r
- UINT8 KeyCode;\r
+ BOOLEAN Down;\r
+ UINT8 KeyCode;\r
} USB_KEY;\r
\r
typedef struct {\r
- USB_KEY buffer[MAX_KEY_ALLOWED + 1];\r
- UINT8 bHead;\r
- UINT8 bTail;\r
-} USB_KB_BUFFER;\r
+ VOID *Buffer[MAX_KEY_ALLOWED + 1];\r
+ UINTN Head;\r
+ UINTN Tail;\r
+ UINTN ItemSize;\r
+} USB_SIMPLE_QUEUE;\r
\r
-#define USB_KB_DEV_SIGNATURE EFI_SIGNATURE_32 ('u', 'k', 'b', 'd')\r
-#define USB_KB_CONSOLE_IN_EX_NOTIFY_SIGNATURE EFI_SIGNATURE_32 ('u', 'k', 'b', 'x')\r
+#define USB_KB_DEV_SIGNATURE SIGNATURE_32 ('u', 'k', 'b', 'd')\r
+#define USB_KB_CONSOLE_IN_EX_NOTIFY_SIGNATURE SIGNATURE_32 ('u', 'k', 'b', 'x')\r
\r
typedef struct _KEYBOARD_CONSOLE_IN_EX_NOTIFY {\r
UINTN Signature;\r
LIST_ENTRY NotifyEntry;\r
} KEYBOARD_CONSOLE_IN_EX_NOTIFY;\r
\r
-#define USB_NS_KEY_SIGNATURE EFI_SIGNATURE_32 ('u', 'n', 's', 'k')\r
+#define USB_NS_KEY_SIGNATURE SIGNATURE_32 ('u', 'n', 's', 'k')\r
\r
typedef struct {\r
UINTN Signature;\r
\r
#define USB_NS_KEY_FORM_FROM_LINK(a) CR (a, USB_NS_KEY, Link, USB_NS_KEY_SIGNATURE)\r
\r
+///\r
+/// Structure to describe USB keyboard device\r
+///\r
typedef struct {\r
- UINTN Signature;\r
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
- EFI_EVENT DelayedRecoveryEvent;\r
- EFI_SIMPLE_TEXT_INPUT_PROTOCOL SimpleInput;\r
+ UINTN Signature;\r
+ EFI_HANDLE ControllerHandle;\r
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
+ EFI_EVENT DelayedRecoveryEvent;\r
+ EFI_SIMPLE_TEXT_INPUT_PROTOCOL SimpleInput;\r
EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL SimpleInputEx;\r
- EFI_USB_IO_PROTOCOL *UsbIo;\r
+ EFI_USB_IO_PROTOCOL *UsbIo;\r
+\r
+ EFI_USB_INTERFACE_DESCRIPTOR InterfaceDescriptor;\r
+ EFI_USB_ENDPOINT_DESCRIPTOR IntEndpointDescriptor;\r
\r
- EFI_USB_INTERFACE_DESCRIPTOR InterfaceDescriptor;\r
- EFI_USB_ENDPOINT_DESCRIPTOR IntEndpointDescriptor;\r
+ USB_SIMPLE_QUEUE UsbKeyQueue;\r
+ USB_SIMPLE_QUEUE EfiKeyQueue;\r
+ BOOLEAN CtrlOn;\r
+ BOOLEAN AltOn;\r
+ BOOLEAN ShiftOn;\r
+ BOOLEAN NumLockOn;\r
+ BOOLEAN CapsOn;\r
+ BOOLEAN ScrollOn;\r
+ UINT8 LastKeyCodeArray[8];\r
+ UINT8 CurKeyCode;\r
\r
- USB_KB_BUFFER KeyboardBuffer;\r
- UINT8 CtrlOn;\r
- UINT8 AltOn;\r
- UINT8 ShiftOn;\r
- UINT8 NumLockOn;\r
- UINT8 CapsOn;\r
- UINT8 ScrollOn;\r
- UINT8 LastKeyCodeArray[8];\r
- UINT8 CurKeyChar;\r
+ EFI_EVENT TimerEvent;\r
\r
- UINT8 RepeatKey;\r
- EFI_EVENT RepeatTimer;\r
+ UINT8 RepeatKey;\r
+ EFI_EVENT RepeatTimer;\r
\r
- EFI_UNICODE_STRING_TABLE *ControllerNameTable;\r
+ EFI_UNICODE_STRING_TABLE *ControllerNameTable;\r
\r
- UINT8 LeftCtrlOn;\r
- UINT8 LeftAltOn;\r
- UINT8 LeftShiftOn;\r
- UINT8 LeftLogoOn;\r
- UINT8 RightCtrlOn;\r
- UINT8 RightAltOn;\r
- UINT8 RightShiftOn;\r
- UINT8 RightLogoOn; \r
- UINT8 MenuKeyOn;\r
- UINT8 SysReqOn;\r
- UINT8 AltGrOn;\r
-\r
- EFI_KEY_STATE KeyState;\r
+ BOOLEAN LeftCtrlOn;\r
+ BOOLEAN LeftAltOn;\r
+ BOOLEAN LeftShiftOn;\r
+ BOOLEAN LeftLogoOn;\r
+ BOOLEAN RightCtrlOn;\r
+ BOOLEAN RightAltOn;\r
+ BOOLEAN RightShiftOn;\r
+ BOOLEAN RightLogoOn; \r
+ BOOLEAN MenuKeyOn;\r
+ BOOLEAN SysReqOn;\r
+ BOOLEAN AltGrOn;\r
//\r
// Notification function list\r
//\r
- LIST_ENTRY NotifyList;\r
+ LIST_ENTRY NotifyList;\r
\r
//\r
// Non-spacing key list\r
//\r
- LIST_ENTRY NsKeyList;\r
- USB_NS_KEY *CurrentNsKey;\r
- EFI_KEY_DESCRIPTOR *KeyConvertionTable;\r
- EFI_EVENT KeyboardLayoutEvent;\r
+ LIST_ENTRY NsKeyList;\r
+ USB_NS_KEY *CurrentNsKey;\r
+ EFI_KEY_DESCRIPTOR *KeyConvertionTable;\r
+ EFI_EVENT KeyboardLayoutEvent;\r
} USB_KB_DEV;\r
\r
//\r
extern EFI_DRIVER_BINDING_PROTOCOL gUsbKeyboardDriverBinding;\r
extern EFI_COMPONENT_NAME_PROTOCOL gUsbKeyboardComponentName;\r
extern EFI_COMPONENT_NAME2_PROTOCOL gUsbKeyboardComponentName2;\r
-extern EFI_GUID gEfiUsbKeyboardDriverGuid;\r
-extern EFI_GUID gSimpleTextInExNotifyGuid;\r
\r
+#define USB_KB_DEV_FROM_THIS(a) \\r
+ CR(a, USB_KB_DEV, SimpleInput, USB_KB_DEV_SIGNATURE)\r
+#define TEXT_INPUT_EX_USB_KB_DEV_FROM_THIS(a) \\r
+ CR(a, USB_KB_DEV, SimpleInputEx, USB_KB_DEV_SIGNATURE)\r
+\r
+//\r
+// According to Universal Serial Bus HID Usage Tables document ver 1.12,\r
+// a Boot Keyboard should support the keycode range from 0x0 to 0x65 and 0xE0 to 0xE7.\r
+// 0xE0 to 0xE7 are for modifier keys, and 0x0 to 0x3 are reserved for typical\r
+// keyboard status or keyboard errors.\r
+// So the number of valid non-modifier USB keycodes is 0x62, and the number of\r
+// valid keycodes is 0x6A.\r
+//\r
+#define NUMBER_OF_VALID_NON_MODIFIER_USB_KEYCODE 0x62\r
+#define NUMBER_OF_VALID_USB_KEYCODE 0x6A\r
+//\r
+// 0x0 to 0x3 are reserved for typical keyboard status or keyboard errors.\r
+//\r
+#define USBKBD_VALID_KEYCODE(Key) ((UINT8) (Key) > 3)\r
+\r
+typedef struct {\r
+ UINT8 NumLock : 1;\r
+ UINT8 CapsLock : 1;\r
+ UINT8 ScrollLock : 1;\r
+ UINT8 Resrvd : 5;\r
+} LED_MAP;\r
+\r
+//\r
+// Functions of Driver Binding Protocol\r
+//\r
/**\r
- Report Status Code in Usb Keyboard Driver.\r
+ Check whether USB keyboard driver supports this device.\r
\r
- @param DevicePath Use this to get Device Path.\r
- @param CodeType Status Code Type.\r
- @param CodeValue Status Code Value.\r
+ @param This The USB keyboard driver binding protocol.\r
+ @param Controller The controller handle to check.\r
+ @param RemainingDevicePath The remaining device path.\r
\r
- @return None.\r
+ @retval EFI_SUCCESS The driver supports this controller.\r
+ @retval other This device isn't supported.\r
\r
**/\r
-VOID\r
+EFI_STATUS\r
EFIAPI\r
-KbdReportStatusCode (\r
- IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r
- IN EFI_STATUS_CODE_TYPE CodeType,\r
- IN EFI_STATUS_CODE_VALUE Value\r
+USBKeyboardDriverBindingSupported (\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE Controller,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
);\r
\r
-#define USB_KB_DEV_FROM_THIS(a) \\r
- CR(a, USB_KB_DEV, SimpleInput, USB_KB_DEV_SIGNATURE)\r
-#define TEXT_INPUT_EX_USB_KB_DEV_FROM_THIS(a) \\r
- CR(a, USB_KB_DEV, SimpleInputEx, USB_KB_DEV_SIGNATURE)\r
+/**\r
+ Starts the keyboard device with this driver.\r
\r
+ This function produces Simple Text Input Protocol and Simple Text Input Ex Protocol,\r
+ initializes the keyboard device, and submit Asynchronous Interrupt Transfer to manage\r
+ this keyboard device.\r
\r
-#define MOD_CONTROL_L 0x01\r
-#define MOD_CONTROL_R 0x10\r
-#define MOD_SHIFT_L 0x02\r
-#define MOD_SHIFT_R 0x20\r
-#define MOD_ALT_L 0x04\r
-#define MOD_ALT_R 0x40\r
-#define MOD_WIN_L 0x08\r
-#define MOD_WIN_R 0x80\r
+ @param This The USB keyboard driver binding instance.\r
+ @param Controller Handle of device to bind driver to.\r
+ @param RemainingDevicePath Optional parameter use to pick a specific child\r
+ device to start.\r
\r
-typedef struct {\r
- UINT8 Mask;\r
- UINT8 Key;\r
-} KB_MODIFIER;\r
+ @retval EFI_SUCCESS The controller is controlled by the usb keyboard driver.\r
+ @retval EFI_UNSUPPORTED No interrupt endpoint can be found.\r
+ @retval Other This controller cannot be started.\r
\r
-#define USB_KEYCODE_MAX_MAKE 0x62\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+USBKeyboardDriverBindingStart (\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE Controller,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
+ );\r
\r
-#define USBKBD_VALID_KEYCODE(key) ((UINT8) (key) > 3)\r
+/**\r
+ Stop the USB keyboard device handled by this driver.\r
\r
-typedef struct {\r
- UINT8 NumLock : 1;\r
- UINT8 CapsLock : 1;\r
- UINT8 ScrollLock : 1;\r
- UINT8 Resrvd : 5;\r
-} LED_MAP;\r
+ @param This The USB keyboard driver binding protocol.\r
+ @param Controller The controller to release.\r
+ @param NumberOfChildren The number of handles in ChildHandleBuffer.\r
+ @param ChildHandleBuffer The array of child handle.\r
+\r
+ @retval EFI_SUCCESS The device was stopped.\r
+ @retval EFI_UNSUPPORTED Simple Text In Protocol or Simple Text In Ex Protocol\r
+ is not installed on Controller.\r
+ @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.\r
+ @retval Others Fail to uninstall protocols attached on the device.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+USBKeyboardDriverBindingStop (\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE Controller,\r
+ IN UINTN NumberOfChildren,\r
+ IN EFI_HANDLE *ChildHandleBuffer\r
+ );\r
+\r
+//\r
+// EFI Component Name Functions\r
+//\r
+/**\r
+ Retrieves a Unicode string that is the user readable name of the driver.\r
+\r
+ This function retrieves the user readable name of a driver in the form of a\r
+ Unicode string. If the driver specified by This has a user readable name in\r
+ the language specified by Language, then a pointer to the driver name is\r
+ returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r
+ by This does not support the language specified by Language,\r
+ then EFI_UNSUPPORTED is returned.\r
+\r
+ @param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
+ EFI_COMPONENT_NAME_PROTOCOL instance.\r
+ @param Language A pointer to a Null-terminated ASCII string\r
+ array indicating the language. This is the\r
+ language of the driver name that the caller is\r
+ requesting, and it must match one of the\r
+ languages specified in SupportedLanguages. The\r
+ number of languages supported by a driver is up\r
+ to the driver writer. Language is specified\r
+ in RFC 4646 or ISO 639-2 language code format.\r
+ @param DriverName A pointer to the Unicode string to return.\r
+ This Unicode string is the name of the\r
+ driver specified by This in the language\r
+ specified by Language.\r
+\r
+ @retval EFI_SUCCESS The Unicode string for the Driver specified by\r
+ This and the language specified by Language was\r
+ returned in DriverName.\r
+ @retval EFI_INVALID_PARAMETER Language is NULL.\r
+ @retval EFI_INVALID_PARAMETER DriverName is NULL.\r
+ @retval EFI_UNSUPPORTED The driver specified by This does not support\r
+ the language specified by Language.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+UsbKeyboardComponentNameGetDriverName (\r
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
+ IN CHAR8 *Language,\r
+ OUT CHAR16 **DriverName\r
+ );\r
+\r
+/**\r
+ Retrieves a Unicode string that is the user readable name of the controller\r
+ that is being managed by a driver.\r
+\r
+ This function retrieves the user readable name of the controller specified by\r
+ ControllerHandle and ChildHandle in the form of a Unicode string. If the\r
+ driver specified by This has a user readable name in the language specified by\r
+ Language, then a pointer to the controller name is returned in ControllerName,\r
+ and EFI_SUCCESS is returned. If the driver specified by This is not currently\r
+ managing the controller specified by ControllerHandle and ChildHandle,\r
+ then EFI_UNSUPPORTED is returned. If the driver specified by This does not\r
+ support the language specified by Language, then EFI_UNSUPPORTED is returned.\r
+\r
+ @param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
+ EFI_COMPONENT_NAME_PROTOCOL instance.\r
+ @param ControllerHandle The handle of a controller that the driver\r
+ specified by This is managing. This handle\r
+ specifies the controller whose name is to be\r
+ returned.\r
+ @param ChildHandle The handle of the child controller to retrieve\r
+ the name of. This is an optional parameter that\r
+ may be NULL. It will be NULL for device\r
+ drivers. It will also be NULL for a bus drivers\r
+ that wish to retrieve the name of the bus\r
+ controller. It will not be NULL for a bus\r
+ driver that wishes to retrieve the name of a\r
+ child controller.\r
+ @param Language A pointer to a Null-terminated ASCII string\r
+ array indicating the language. This is the\r
+ language of the driver name that the caller is\r
+ requesting, and it must match one of the\r
+ languages specified in SupportedLanguages. The\r
+ number of languages supported by a driver is up\r
+ to the driver writer. Language is specified in\r
+ RFC 4646 or ISO 639-2 language code format.\r
+ @param ControllerName A pointer to the Unicode string to return.\r
+ This Unicode string is the name of the\r
+ controller specified by ControllerHandle and\r
+ ChildHandle in the language specified by\r
+ Language from the point of view of the driver\r
+ specified by This.\r
+\r
+ @retval EFI_SUCCESS The Unicode string for the user readable name in\r
+ the language specified by Language for the\r
+ driver specified by This was returned in\r
+ DriverName.\r
+ @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.\r
+ @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r
+ EFI_HANDLE.\r
+ @retval EFI_INVALID_PARAMETER Language is NULL.\r
+ @retval EFI_INVALID_PARAMETER ControllerName is NULL.\r
+ @retval EFI_UNSUPPORTED The driver specified by This is not currently\r
+ managing the controller specified by\r
+ ControllerHandle and ChildHandle.\r
+ @retval EFI_UNSUPPORTED The driver specified by This does not support\r
+ the language specified by Language.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+UsbKeyboardComponentNameGetControllerName (\r
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
+ IN EFI_HANDLE ControllerHandle,\r
+ IN EFI_HANDLE ChildHandle OPTIONAL,\r
+ IN CHAR8 *Language,\r
+ OUT CHAR16 **ControllerName\r
+ );\r
+\r
+//\r
+// Functions of Simple Text Input Protocol\r
+//\r
+/**\r
+ Reset the input device and optionaly run diagnostics\r
+\r
+ There are 2 types of reset for USB keyboard.\r
+ For non-exhaustive reset, only keyboard buffer is cleared.\r
+ For exhaustive reset, in addition to clearance of keyboard buffer, the hardware status\r
+ is also re-initialized.\r
+\r
+ @param This Protocol instance pointer.\r
+ @param ExtendedVerification Driver may perform diagnostics on reset.\r
+\r
+ @retval EFI_SUCCESS The device was reset.\r
+ @retval EFI_DEVICE_ERROR The device is not functioning properly and could not be reset.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+USBKeyboardReset (\r
+ IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r
+ IN BOOLEAN ExtendedVerification\r
+ );\r
+\r
+/**\r
+ Reads the next keystroke from the input device.\r
+\r
+ @param This The EFI_SIMPLE_TEXT_INPUT_PROTOCOL instance.\r
+ @param Key A pointer to a buffer that is filled in with the keystroke\r
+ information for the key that was pressed.\r
+\r
+ @retval EFI_SUCCESS The keystroke information was returned.\r
+ @retval EFI_NOT_READY There was no keystroke data availiable.\r
+ @retval EFI_DEVICE_ERROR The keydtroke information was not returned due to\r
+ hardware errors.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+USBKeyboardReadKeyStroke (\r
+ IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r
+ OUT EFI_INPUT_KEY *Key\r
+ );\r
\r
//\r
// Simple Text Input Ex protocol functions\r
//\r
/**\r
- The extension routine to reset the input device.\r
+ Resets the input device hardware.\r
+\r
+ The Reset() function resets the input device hardware. As part\r
+ of initialization process, the firmware/device will make a quick\r
+ but reasonable attempt to verify that the device is functioning.\r
+ If the ExtendedVerification flag is TRUE the firmware may take\r
+ an extended amount of time to verify the device is operating on\r
+ reset. Otherwise the reset operation is to occur as quickly as\r
+ possible. The hardware verification process is not defined by\r
+ this specification and is left up to the platform firmware or\r
+ driver to implement.\r
\r
- @param This Protocol instance pointer.\r
- @param ExtendedVerification Driver may perform diagnostics on reset.\r
+ @param This A pointer to the EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL instance.\r
\r
- @retval EFI_SUCCESS The device was reset.\r
- @retval EFI_DEVICE_ERROR The device is not functioning properly and could\r
- not be reset.\r
+ @param ExtendedVerification Indicates that the driver may perform a more exhaustive\r
+ verification operation of the device during reset.\r
+\r
+ @retval EFI_SUCCESS The device was reset.\r
+ @retval EFI_DEVICE_ERROR The device is not functioning correctly and could not be reset.\r
\r
**/\r
EFI_STATUS\r
);\r
\r
/**\r
- Reads the next keystroke from the input device. The WaitForKey Event can\r
- be used to test for existance of a keystroke via WaitForEvent () call.\r
+ Reads the next keystroke from the input device.\r
\r
- @param This Protocol instance pointer.\r
- @param KeyData A pointer to a buffer that is filled in with the keystroke\r
- state data for the key that was pressed.\r
+ @param This Protocol instance pointer.\r
+ @param KeyData A pointer to a buffer that is filled in with the keystroke\r
+ state data for the key that was pressed.\r
\r
- @return EFI_SUCCESS The keystroke information was returned successfully.\r
- @retval EFI_INVALID_PARAMETER KeyData is NULL.\r
- @retval Other Read key stroke information failed.\r
+ @retval EFI_SUCCESS The keystroke information was returned.\r
+ @retval EFI_NOT_READY There was no keystroke data available.\r
+ @retval EFI_DEVICE_ERROR The keystroke information was not returned due to\r
+ hardware errors.\r
+ @retval EFI_INVALID_PARAMETER KeyData is NULL.\r
\r
**/\r
EFI_STATUS\r
@param KeyToggleState A pointer to the EFI_KEY_TOGGLE_STATE to set the\r
state for the input device.\r
\r
- @retval EFI_SUCCESS The device state was set successfully.\r
- @retval EFI_UNSUPPORTED The device does not have the ability to set its state.\r
+ @retval EFI_SUCCESS The device state was set appropriately.\r
+ @retval EFI_DEVICE_ERROR The device is not functioning correctly and could\r
+ not have the setting adjusted.\r
+ @retval EFI_UNSUPPORTED The device does not support the ability to have its state set.\r
@retval EFI_INVALID_PARAMETER KeyToggleState is NULL.\r
\r
**/\r
\r
@retval EFI_SUCCESS The notification function was registered successfully.\r
@retval EFI_OUT_OF_RESOURCES Unable to allocate resources for necesssary data structures.\r
- @retval EFI_INVALID_PARAMETER KeyData or NotifyHandle is NULL.\r
+ @retval EFI_INVALID_PARAMETER KeyData or NotifyHandle or KeyNotificationFunction is NULL.\r
\r
**/\r
EFI_STATUS\r
@param NotificationHandle The handle of the notification function being unregistered.\r
\r
@retval EFI_SUCCESS The notification function was unregistered successfully.\r
- @retval EFI_INVALID_PARAMETER The NotificationHandle is invalid or opening gSimpleTextInExNotifyGuid\r
- on NotificationHandle fails.\r
- @retval EFI_NOT_FOUND Can not find the matching entry in database.\r
+ @retval EFI_INVALID_PARAMETER The NotificationHandle is invalid\r
+ @retval EFI_NOT_FOUND Cannot find the matching entry in database.\r
\r
**/\r
EFI_STATUS\r
IN EFI_HANDLE NotificationHandle\r
);\r
\r
+/**\r
+ Event notification function registered for EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.WaitForKeyEx\r
+ and EFI_SIMPLE_TEXT_INPUT_PROTOCOL.WaitForKey.\r
+\r
+ @param Event Event to be signaled when a key is pressed.\r
+ @param Context Points to USB_KB_DEV instance.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+USBKeyboardWaitForKey (\r
+ IN EFI_EVENT Event,\r
+ IN VOID *Context\r
+ );\r
+\r
+/**\r
+ Free keyboard notify list.\r
+\r
+ @param NotifyList The keyboard notify list to free.\r
+\r
+ @retval EFI_SUCCESS Free the notify list successfully.\r
+ @retval EFI_INVALID_PARAMETER NotifyList is NULL.\r
+\r
+**/\r
+EFI_STATUS\r
+KbdFreeNotifyList (\r
+ IN OUT LIST_ENTRY *NotifyList\r
+ );\r
+\r
+/**\r
+ Check whether the pressed key matches a registered key or not.\r
+\r
+ @param RegsiteredData A pointer to keystroke data for the key that was registered.\r
+ @param InputData A pointer to keystroke data for the key that was pressed.\r
+\r
+ @retval TRUE Key pressed matches a registered key.\r
+ @retval FLASE Key pressed does not matche a registered key.\r
+\r
+**/\r
+BOOLEAN\r
+IsKeyRegistered (\r
+ IN EFI_KEY_DATA *RegsiteredData,\r
+ IN EFI_KEY_DATA *InputData\r
+ );\r
+\r
+/**\r
+ Timer handler to convert the key from USB.\r
+\r
+ @param Event Indicates the event that invoke this function.\r
+ @param Context Indicates the calling context.\r
+**/\r
+VOID\r
+EFIAPI\r
+USBKeyboardTimerHandler (\r
+ IN EFI_EVENT Event,\r
+ IN VOID *Context\r
+ );\r
+\r
#endif\r
\r
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