Code Scrub for UsbKbDxe module.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6871 6f19259b-4bc3-4df7-8a09-765794883524
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@ -1,6 +1,5 @@
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/** @file
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Header file for USB Keyboard Driver's Data Structures.
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Header file for USB Keyboard Driver's Data Structures.
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Copyright (c) 2004 - 2008, Intel Corporation
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All rights reserved. This program and the accompanying materials
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@ -37,6 +36,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#include <Library/PcdLib.h>
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#include <Library/UefiUsbLib.h>
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#include <Library/BaseLib.h>
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#include <Library/UefiUsbLib.h>
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#include <IndustryStandard/Usb.h>
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@ -59,9 +59,9 @@ typedef struct {
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} USB_KEY;
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typedef struct {
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USB_KEY buffer[MAX_KEY_ALLOWED + 1];
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UINT8 bHead;
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UINT8 bTail;
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USB_KEY Buffer[MAX_KEY_ALLOWED + 1];
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UINT8 BufferHead;
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UINT8 BufferTail;
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} USB_KB_BUFFER;
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#define USB_KB_DEV_SIGNATURE EFI_SIGNATURE_32 ('u', 'k', 'b', 'd')
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@ -95,57 +95,60 @@ typedef struct {
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#define USB_NS_KEY_FORM_FROM_LINK(a) CR (a, USB_NS_KEY, Link, USB_NS_KEY_SIGNATURE)
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///
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/// Structure to describe USB keyboard device
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///
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typedef struct {
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UINTN Signature;
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EFI_DEVICE_PATH_PROTOCOL *DevicePath;
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EFI_EVENT DelayedRecoveryEvent;
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EFI_SIMPLE_TEXT_INPUT_PROTOCOL SimpleInput;
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UINTN Signature;
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EFI_DEVICE_PATH_PROTOCOL *DevicePath;
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EFI_EVENT DelayedRecoveryEvent;
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EFI_SIMPLE_TEXT_INPUT_PROTOCOL SimpleInput;
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EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL SimpleInputEx;
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EFI_USB_IO_PROTOCOL *UsbIo;
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EFI_USB_IO_PROTOCOL *UsbIo;
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EFI_USB_INTERFACE_DESCRIPTOR InterfaceDescriptor;
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EFI_USB_ENDPOINT_DESCRIPTOR IntEndpointDescriptor;
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EFI_USB_INTERFACE_DESCRIPTOR InterfaceDescriptor;
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EFI_USB_ENDPOINT_DESCRIPTOR IntEndpointDescriptor;
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USB_KB_BUFFER KeyboardBuffer;
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UINT8 CtrlOn;
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UINT8 AltOn;
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UINT8 ShiftOn;
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UINT8 NumLockOn;
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UINT8 CapsOn;
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UINT8 ScrollOn;
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UINT8 LastKeyCodeArray[8];
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UINT8 CurKeyChar;
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USB_KB_BUFFER KeyboardBuffer;
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UINT8 CtrlOn;
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UINT8 AltOn;
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UINT8 ShiftOn;
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UINT8 NumLockOn;
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UINT8 CapsOn;
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UINT8 ScrollOn;
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UINT8 LastKeyCodeArray[8];
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UINT8 CurKeyChar;
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UINT8 RepeatKey;
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EFI_EVENT RepeatTimer;
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UINT8 RepeatKey;
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EFI_EVENT RepeatTimer;
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EFI_UNICODE_STRING_TABLE *ControllerNameTable;
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EFI_UNICODE_STRING_TABLE *ControllerNameTable;
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UINT8 LeftCtrlOn;
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UINT8 LeftAltOn;
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UINT8 LeftShiftOn;
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UINT8 LeftLogoOn;
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UINT8 RightCtrlOn;
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UINT8 RightAltOn;
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UINT8 RightShiftOn;
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UINT8 RightLogoOn;
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UINT8 MenuKeyOn;
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UINT8 SysReqOn;
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UINT8 AltGrOn;
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UINT8 LeftCtrlOn;
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UINT8 LeftAltOn;
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UINT8 LeftShiftOn;
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UINT8 LeftLogoOn;
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UINT8 RightCtrlOn;
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UINT8 RightAltOn;
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UINT8 RightShiftOn;
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UINT8 RightLogoOn;
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UINT8 MenuKeyOn;
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UINT8 SysReqOn;
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UINT8 AltGrOn;
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EFI_KEY_STATE KeyState;
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EFI_KEY_STATE KeyState;
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//
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// Notification function list
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//
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LIST_ENTRY NotifyList;
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LIST_ENTRY NotifyList;
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//
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// Non-spacing key list
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//
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LIST_ENTRY NsKeyList;
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USB_NS_KEY *CurrentNsKey;
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EFI_KEY_DESCRIPTOR *KeyConvertionTable;
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EFI_EVENT KeyboardLayoutEvent;
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LIST_ENTRY NsKeyList;
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USB_NS_KEY *CurrentNsKey;
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EFI_KEY_DESCRIPTOR *KeyConvertionTable;
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EFI_EVENT KeyboardLayoutEvent;
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} USB_KB_DEV;
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//
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@ -154,27 +157,8 @@ typedef struct {
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extern EFI_DRIVER_BINDING_PROTOCOL gUsbKeyboardDriverBinding;
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extern EFI_COMPONENT_NAME_PROTOCOL gUsbKeyboardComponentName;
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extern EFI_COMPONENT_NAME2_PROTOCOL gUsbKeyboardComponentName2;
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extern EFI_GUID gEfiUsbKeyboardDriverGuid;
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extern EFI_GUID gSimpleTextInExNotifyGuid;
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/**
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Report Status Code in Usb Keyboard Driver.
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@param DevicePath Use this to get Device Path.
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@param CodeType Status Code Type.
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@param CodeValue Status Code Value.
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@return None.
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**/
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VOID
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EFIAPI
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KbdReportStatusCode (
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IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
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IN EFI_STATUS_CODE_TYPE CodeType,
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IN EFI_STATUS_CODE_VALUE Value
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);
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#define USB_KB_DEV_FROM_THIS(a) \
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CR(a, USB_KB_DEV, SimpleInput, USB_KB_DEV_SIGNATURE)
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#define TEXT_INPUT_EX_USB_KB_DEV_FROM_THIS(a) \
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@ -206,6 +190,117 @@ typedef struct {
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UINT8 Resrvd : 5;
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} LED_MAP;
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//
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// Functions of Driver Binding Protocol
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//
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/**
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Check whether USB keyboard driver supports this device.
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@param This The USB keyboard driver binding protocol.
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@param Controller The controller handle to check.
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@param RemainingDevicePath The remaining device path.
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@retval EFI_SUCCESS The driver supports this controller.
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@retval other This device isn't supported.
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**/
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EFI_STATUS
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EFIAPI
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USBKeyboardDriverBindingSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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/**
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Start running driver on the controller.
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@param This The USB keyboard driver binding instance.
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@param Controller Handle of device to bind driver to.
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@param RemainingDevicePath Optional parameter use to pick a specific child
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device to start.
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@retval EFI_SUCCESS The controller is controlled by the usb keyboard driver.
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@retval EFI_UNSUPPORTED No interrupt endpoint can be found.
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@retval Other The keyboard driver cannot support this controller.
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**/
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EFI_STATUS
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EFIAPI
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USBKeyboardDriverBindingStart (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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/**
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Stop handling the controller by this USB keyboard driver.
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@param This The USB keyboard driver binding protocol.
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@param Controller The controller to release.
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@param NumberOfChildren The number of handles in ChildHandleBuffer.
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@param ChildHandleBuffer The array of child handle.
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@retval EFI_SUCCESS The controller or children are stopped.
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@retval EFI_UNSUPPORTED Simple Text In Protocol or Simple Text In Ex Protocol
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is not installed on Controller.
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@retval EFI_DEVICE_ERROR Failed to stop the driver.
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**/
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EFI_STATUS
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EFIAPI
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USBKeyboardDriverBindingStop (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE *ChildHandleBuffer
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);
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//
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// Functions of Simple Text Input Protocol
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//
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/**
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Reset USB Keyboard.
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There are 2 types of reset for USB keyboard.
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For non-exhaustive reset, only keyboard buffer is cleared.
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For exhaustive reset, in addition to clearance of keyboard buffer, the hardware status
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is also re-initialized.
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@param This The protocol instance of EFI_SIMPLE_TEXT_INPUT_PROTOCOL.
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@param ExtendedVerification Indicates if exhaustive reset is used.
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TRUE for exhaustive reset.
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FALSE for non-exhaustive reset.
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@retval EFI_SUCCESS Keyboard is reset successfully.
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@retval EFI_DEVICE_ERROR Failed to reset keyboard.
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**/
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EFI_STATUS
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EFIAPI
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USBKeyboardReset (
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IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
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IN BOOLEAN ExtendedVerification
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);
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/**
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Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.ReadKeyStroke() function.
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@param This The EFI_SIMPLE_TEXT_INPUT_PROTOCOL instance.
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@param Key A pointer to a buffer that is filled in with the keystroke
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information for the key that was pressed.
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@retval EFI_SUCCESS Read key stroke successfully.
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@retval Other Read key stroke failed.
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**/
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EFI_STATUS
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EFIAPI
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USBKeyboardReadKeyStroke (
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IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
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OUT EFI_INPUT_KEY *Key
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);
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//
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// Simple Text Input Ex protocol functions
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//
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@ -309,5 +404,68 @@ USBKeyboardUnregisterKeyNotify (
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IN EFI_HANDLE NotificationHandle
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);
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/**
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Handler function for WaitForKey event.
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@param Event Event to be signaled when a key is pressed.
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@param Context Points to USB_KB_DEV instance.
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**/
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VOID
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EFIAPI
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USBKeyboardWaitForKey (
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IN EFI_EVENT Event,
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IN VOID *Context
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);
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/**
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Free keyboard notify list.
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@param ListHead The list head.
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@retval EFI_SUCCESS Free the notify list successfully.
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@retval EFI_INVALID_PARAMETER ListHead is invalid.
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**/
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EFI_STATUS
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EFIAPI
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KbdFreeNotifyList (
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IN OUT LIST_ENTRY *ListHead
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);
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/**
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Check whether there is key pending.
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@param UsbKeyboardDevice The USB_KB_DEV instance.
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@retval EFI_SUCCESS There is pending key to read.
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@retval EFI_NOT_READY No pending key to read.
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**/
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EFI_STATUS
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EFIAPI
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USBKeyboardCheckForKey (
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IN USB_KB_DEV *UsbKeyboardDevice
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);
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/**
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Whether the pressed key matches a registered key or not.
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@param RegsiteredData A pointer to a buffer that is filled in with the keystroke
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state data for the key that was registered.
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@param InputData A pointer to a buffer that is filled in with the keystroke
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state data for the key that was pressed.
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@retval TRUE Key pressed matches a registered key.
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@retval FLASE Match failed.
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**/
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BOOLEAN
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EFIAPI
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IsKeyRegistered (
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IN EFI_KEY_DATA *RegsiteredData,
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IN EFI_KEY_DATA *InputData
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);
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#endif
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