mirror of https://github.com/acidanthera/audk.git
373 lines
7.9 KiB
C
373 lines
7.9 KiB
C
/**@file
|
|
PS/2 keyboard driver header file
|
|
|
|
Copyright (c) 2006 - 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.
|
|
|
|
**/
|
|
|
|
#ifndef _PS2KEYBOARD_H
|
|
#define _PS2KEYBOARD_H
|
|
|
|
#include <PiDxe.h>
|
|
#include <Framework/StatusCode.h>
|
|
|
|
#include <Protocol/SimpleTextIn.h>
|
|
#include <Protocol/IsaIo.h>
|
|
#include <Protocol/DevicePath.h>
|
|
#include <Protocol/Ps2Policy.h>
|
|
|
|
#include <Library/UefiDriverEntryPoint.h>
|
|
#include <Library/UefiLib.h>
|
|
#include <Library/UefiBootServicesTableLib.h>
|
|
#include <Library/ReportStatusCodeLib.h>
|
|
#include <Library/DebugLib.h>
|
|
#include <Library/UefiRuntimeServicesTableLib.h>
|
|
#include <Library/MemoryAllocationLib.h>
|
|
|
|
//
|
|
// Driver Private Data
|
|
//
|
|
#define KEYBOARD_BUFFER_MAX_COUNT 32
|
|
#define KEYBOARD_CONSOLE_IN_DEV_SIGNATURE EFI_SIGNATURE_32 ('k', 'k', 'e', 'y')
|
|
|
|
typedef struct {
|
|
UINTN Signature;
|
|
|
|
EFI_HANDLE Handle;
|
|
EFI_SIMPLE_TEXT_INPUT_PROTOCOL ConIn;
|
|
EFI_ISA_IO_PROTOCOL *IsaIo;
|
|
|
|
EFI_EVENT TimerEvent;
|
|
|
|
UINT32 DataRegisterAddress;
|
|
UINT32 StatusRegisterAddress;
|
|
UINT32 CommandRegisterAddress;
|
|
|
|
EFI_INPUT_KEY Key;
|
|
|
|
BOOLEAN Ctrl;
|
|
BOOLEAN Alt;
|
|
BOOLEAN Shift;
|
|
BOOLEAN CapsLock;
|
|
BOOLEAN NumLock;
|
|
BOOLEAN ScrollLock;
|
|
|
|
//
|
|
// Buffer storing key scancodes
|
|
//
|
|
UINT8 ScancodeBuf[KEYBOARD_BUFFER_MAX_COUNT];
|
|
UINT32 ScancodeBufStartPos;
|
|
UINT32 ScancodeBufEndPos;
|
|
UINT32 ScancodeBufCount;
|
|
|
|
//
|
|
// Indicators of the key pressing state, used in detecting Alt+Ctrl+Del
|
|
//
|
|
BOOLEAN Ctrled;
|
|
BOOLEAN Alted;
|
|
|
|
//
|
|
// Error state
|
|
//
|
|
BOOLEAN KeyboardErr;
|
|
|
|
EFI_UNICODE_STRING_TABLE *ControllerNameTable;
|
|
|
|
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
|
|
} KEYBOARD_CONSOLE_IN_DEV;
|
|
|
|
#define KEYBOARD_CONSOLE_IN_DEV_FROM_THIS(a) CR (a, KEYBOARD_CONSOLE_IN_DEV, ConIn, KEYBOARD_CONSOLE_IN_DEV_SIGNATURE)
|
|
|
|
#define TABLE_END 0x0
|
|
|
|
//
|
|
// Global Variables
|
|
//
|
|
extern EFI_DRIVER_BINDING_PROTOCOL gKeyboardControllerDriver;
|
|
extern EFI_COMPONENT_NAME_PROTOCOL gPs2KeyboardComponentName;
|
|
|
|
//
|
|
// Driver entry point
|
|
//
|
|
EFI_STATUS
|
|
InstallPs2KeyboardDriver (
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
GC_TODO: Add function description
|
|
|
|
Arguments:
|
|
|
|
ImageHandle - GC_TODO: add argument description
|
|
SystemTable - GC_TODO: add argument description
|
|
|
|
Returns:
|
|
|
|
GC_TODO: add return values
|
|
|
|
--*/
|
|
;
|
|
|
|
#define KEYBOARD_8042_DATA_REGISTER 0x60
|
|
#define KEYBOARD_8042_STATUS_REGISTER 0x64
|
|
#define KEYBOARD_8042_COMMAND_REGISTER 0x64
|
|
|
|
#define KEYBOARD_KBEN 0xF4
|
|
#define KEYBOARD_CMDECHO_ACK 0xFA
|
|
|
|
#define KEYBOARD_TIMEOUT 65536 // 0.07s
|
|
#define KEYBOARD_WAITFORVALUE_TIMEOUT 1000000 // 1s
|
|
#define KEYBOARD_BAT_TIMEOUT 4000000 // 4s
|
|
#define KEYBOARD_TIMER_INTERVAL 200000 // 0.02s
|
|
#define SCANCODE_EXTENDED 0xE0
|
|
#define SCANCODE_EXTENDED1 0xE1
|
|
#define SCANCODE_CTRL_MAKE 0x1D
|
|
#define SCANCODE_CTRL_BREAK 0x9D
|
|
#define SCANCODE_ALT_MAKE 0x38
|
|
#define SCANCODE_ALT_BREAK 0xB8
|
|
#define SCANCODE_LEFT_SHIFT_MAKE 0x2A
|
|
#define SCANCODE_LEFT_SHIFT_BREAK 0xAA
|
|
#define SCANCODE_RIGHT_SHIFT_MAKE 0x36
|
|
#define SCANCODE_RIGHT_SHIFT_BREAK 0xB6
|
|
#define SCANCODE_CAPS_LOCK_MAKE 0x3A
|
|
#define SCANCODE_NUM_LOCK_MAKE 0x45
|
|
#define SCANCODE_SCROLL_LOCK_MAKE 0x46
|
|
#define SCANCODE_MAX_MAKE 0x59
|
|
|
|
//
|
|
// Other functions that are used among .c files
|
|
//
|
|
EFI_STATUS
|
|
KeyboardRead (
|
|
IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
|
|
OUT UINT8 *Data
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
GC_TODO: Add function description
|
|
|
|
Arguments:
|
|
|
|
ConsoleIn - GC_TODO: add argument description
|
|
Data - GC_TODO: add argument description
|
|
|
|
Returns:
|
|
|
|
GC_TODO: add return values
|
|
|
|
--*/
|
|
;
|
|
|
|
EFI_STATUS
|
|
KeyGetchar (
|
|
IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
GC_TODO: Add function description
|
|
|
|
Arguments:
|
|
|
|
ConsoleIn - GC_TODO: add argument description
|
|
|
|
Returns:
|
|
|
|
GC_TODO: add return values
|
|
|
|
--*/
|
|
;
|
|
|
|
EFI_STATUS
|
|
InitKeyboard (
|
|
IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
|
|
IN BOOLEAN ExtendedVerification
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
GC_TODO: Add function description
|
|
|
|
Arguments:
|
|
|
|
ConsoleIn - GC_TODO: add argument description
|
|
ExtendedVerification - GC_TODO: add argument description
|
|
|
|
Returns:
|
|
|
|
GC_TODO: add return values
|
|
|
|
--*/
|
|
;
|
|
|
|
EFI_STATUS
|
|
DisableKeyboard (
|
|
IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
GC_TODO: Add function description
|
|
|
|
Arguments:
|
|
|
|
ConsoleIn - GC_TODO: add argument description
|
|
|
|
Returns:
|
|
|
|
GC_TODO: add return values
|
|
|
|
--*/
|
|
;
|
|
|
|
VOID
|
|
EFIAPI
|
|
KeyboardTimerHandler (
|
|
IN EFI_EVENT Event,
|
|
IN VOID *Context
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
GC_TODO: Add function description
|
|
|
|
Arguments:
|
|
|
|
Event - GC_TODO: add argument description
|
|
Context - GC_TODO: add argument description
|
|
|
|
Returns:
|
|
|
|
GC_TODO: add return values
|
|
|
|
--*/
|
|
;
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
KeyboardEfiReset (
|
|
IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
|
|
IN BOOLEAN ExtendedVerification
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
GC_TODO: Add function description
|
|
|
|
Arguments:
|
|
|
|
This - GC_TODO: add argument description
|
|
ExtendedVerification - GC_TODO: add argument description
|
|
|
|
Returns:
|
|
|
|
GC_TODO: add return values
|
|
|
|
--*/
|
|
;
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
KeyboardReadKeyStroke (
|
|
IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
|
|
OUT EFI_INPUT_KEY *Key
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
GC_TODO: Add function description
|
|
|
|
Arguments:
|
|
|
|
This - GC_TODO: add argument description
|
|
Key - GC_TODO: add argument description
|
|
|
|
Returns:
|
|
|
|
GC_TODO: add return values
|
|
|
|
--*/
|
|
;
|
|
|
|
VOID
|
|
EFIAPI
|
|
KeyboardWaitForKey (
|
|
IN EFI_EVENT Event,
|
|
IN VOID *Context
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
GC_TODO: Add function description
|
|
|
|
Arguments:
|
|
|
|
Event - GC_TODO: add argument description
|
|
Context - GC_TODO: add argument description
|
|
|
|
Returns:
|
|
|
|
GC_TODO: add return values
|
|
|
|
--*/
|
|
;
|
|
|
|
UINT8
|
|
KeyReadStatusRegister (
|
|
IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
GC_TODO: Add function description
|
|
|
|
Arguments:
|
|
|
|
ConsoleIn - GC_TODO: add argument description
|
|
|
|
Returns:
|
|
|
|
GC_TODO: add return values
|
|
|
|
--*/
|
|
;
|
|
|
|
/**
|
|
Check whether there is Ps/2 Keyboard device in system by 0xF4 Keyboard Command
|
|
If Keyboard receives 0xF4, it will respond with 'ACK'. If it doesn't respond, the device
|
|
should not be in system.
|
|
|
|
@param[in] BiosKeyboardPrivate Keyboard Private Data Structure
|
|
|
|
@retval TRUE Keyboard in System.
|
|
@retval FALSE Keyboard not in System.
|
|
**/
|
|
BOOLEAN
|
|
EFIAPI
|
|
CheckKeyboardConnect (
|
|
IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
|
|
)
|
|
;
|
|
#endif
|