diff options
Diffstat (limited to 'MdeModulePkg/Bus/Usb/UsbKbDxe/efikey.h')
| -rw-r--r-- | MdeModulePkg/Bus/Usb/UsbKbDxe/efikey.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/MdeModulePkg/Bus/Usb/UsbKbDxe/efikey.h b/MdeModulePkg/Bus/Usb/UsbKbDxe/efikey.h new file mode 100644 index 0000000000..e93a8665a4 --- /dev/null +++ b/MdeModulePkg/Bus/Usb/UsbKbDxe/efikey.h @@ -0,0 +1,146 @@ +/** @file
+Copyright (c) 2004 - 2007, 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:
+
+ EfiKey.h
+
+Abstract:
+
+ Header file for USB Keyboard Driver's Data Structures
+
+Revision History
+
+**/
+#ifndef _USB_KB_H
+#define _USB_KB_H
+
+//
+// The package level header files this module uses
+//
+#include <PiDxe.h>
+//
+// The protocols, PPI and GUID defintions for this module
+//
+#include <Protocol/SimpleTextIn.h>
+#include <Guid/HotPlugDevice.h>
+#include <Protocol/UsbIo.h>
+#include <Protocol/DevicePath.h>
+//
+// The Library classes this module consumes
+//
+#include <Library/DebugLib.h>
+#include <Library/ReportStatusCodeLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/PcdLib.h>
+#include <Library/UsbLib.h>
+
+
+#include <IndustryStandard/Usb.h>
+
+#define MAX_KEY_ALLOWED 32
+
+#define HZ 1000 * 1000 * 10
+#define USBKBD_REPEAT_DELAY ((HZ) / 2)
+#define USBKBD_REPEAT_RATE ((HZ) / 50)
+
+#define CLASS_HID 3
+#define SUBCLASS_BOOT 1
+#define PROTOCOL_KEYBOARD 1
+
+#define BOOT_PROTOCOL 0
+#define REPORT_PROTOCOL 1
+
+typedef struct {
+ UINT8 Down;
+ UINT8 KeyCode;
+} USB_KEY;
+
+typedef struct {
+ USB_KEY buffer[MAX_KEY_ALLOWED + 1];
+ UINT8 bHead;
+ UINT8 bTail;
+} USB_KB_BUFFER;
+
+#define USB_KB_DEV_SIGNATURE EFI_SIGNATURE_32 ('u', 'k', 'b', 'd')
+typedef struct {
+ UINTN Signature;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ EFI_EVENT DelayedRecoveryEvent;
+ EFI_SIMPLE_TEXT_INPUT_PROTOCOL SimpleInput;
+ EFI_USB_IO_PROTOCOL *UsbIo;
+
+ EFI_USB_INTERFACE_DESCRIPTOR InterfaceDescriptor;
+ EFI_USB_ENDPOINT_DESCRIPTOR IntEndpointDescriptor;
+
+ USB_KB_BUFFER KeyboardBuffer;
+ UINT8 CtrlOn;
+ UINT8 AltOn;
+ UINT8 ShiftOn;
+ UINT8 NumLockOn;
+ UINT8 CapsOn;
+ UINT8 ScrollOn;
+ UINT8 LastKeyCodeArray[8];
+ UINT8 CurKeyChar;
+
+ UINT8 RepeatKey;
+ EFI_EVENT RepeatTimer;
+
+ EFI_UNICODE_STRING_TABLE *ControllerNameTable;
+
+} USB_KB_DEV;
+
+//
+// Global Variables
+//
+extern EFI_DRIVER_BINDING_PROTOCOL gUsbKeyboardDriverBinding;
+extern EFI_COMPONENT_NAME_PROTOCOL gUsbKeyboardComponentName;
+extern EFI_GUID gEfiUsbKeyboardDriverGuid;
+
+VOID
+KbdReportStatusCode (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
+ IN EFI_STATUS_CODE_TYPE CodeType,
+ IN EFI_STATUS_CODE_VALUE Value
+ );
+
+#define USB_KB_DEV_FROM_THIS(a) \
+ CR(a, USB_KB_DEV, SimpleInput, USB_KB_DEV_SIGNATURE)
+
+#define MOD_CONTROL_L 0x01
+#define MOD_CONTROL_R 0x10
+#define MOD_SHIFT_L 0x02
+#define MOD_SHIFT_R 0x20
+#define MOD_ALT_L 0x04
+#define MOD_ALT_R 0x40
+#define MOD_WIN_L 0x08
+#define MOD_WIN_R 0x80
+
+typedef struct {
+ UINT8 Mask;
+ UINT8 Key;
+} KB_MODIFIER;
+
+#define USB_KEYCODE_MAX_MAKE 0x64
+
+#define USBKBD_VALID_KEYCODE(key) ((UINT8) (key) > 3)
+
+typedef struct {
+ UINT8 NumLock : 1;
+ UINT8 CapsLock : 1;
+ UINT8 ScrollLock : 1;
+ UINT8 Resrvd : 5;
+} LED_MAP;
+#endif
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