2006-04-22 00:54:32 +02:00
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/*++
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Copyright (c) 2006, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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EfiKey.h
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Abstract:
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Header file for USB Keyboard Driver's Data Structures
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Revision History
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--*/
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#ifndef _USB_KB_H
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#define _USB_KB_H
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2006-05-23 01:24:23 +02:00
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#include <IndustryStandard/Usb.h>
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2006-04-22 00:54:32 +02:00
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#define MAX_KEY_ALLOWED 32
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#define HZ 1000 * 1000 * 10
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#define USBKBD_REPEAT_DELAY ((HZ) / 2)
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#define USBKBD_REPEAT_RATE ((HZ) / 50)
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#define CLASS_HID 3
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#define SUBCLASS_BOOT 1
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#define PROTOCOL_KEYBOARD 1
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#define BOOT_PROTOCOL 0
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#define REPORT_PROTOCOL 1
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typedef struct {
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UINT8 Down;
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UINT8 KeyCode;
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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_KB_BUFFER;
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#define USB_KB_DEV_SIGNATURE EFI_SIGNATURE_32 ('u', 'k', 'b', 'd')
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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_IN_PROTOCOL SimpleInput;
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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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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 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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EFI_UNICODE_STRING_TABLE *ControllerNameTable;
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} USB_KB_DEV;
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//
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// Global Variables
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//
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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_GUID gEfiUsbKeyboardDriverGuid;
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VOID
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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 MOD_CONTROL_L 0x01
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#define MOD_CONTROL_R 0x10
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#define MOD_SHIFT_L 0x02
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#define MOD_SHIFT_R 0x20
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#define MOD_ALT_L 0x04
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#define MOD_ALT_R 0x40
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#define MOD_WIN_L 0x08
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#define MOD_WIN_R 0x80
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typedef struct {
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UINT8 Mask;
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UINT8 Key;
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} KB_MODIFIER;
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#define USB_KEYCODE_MAX_MAKE 0x64
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#define USBKBD_VALID_KEYCODE(key) ((UINT8) (key) > 3)
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typedef struct {
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UINT8 NumLock : 1;
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UINT8 CapsLock : 1;
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UINT8 Resrvd : 6;
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} LED_MAP;
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#endif
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