CloverBootloader/MdeModulePkg/Bus/Isa/Ps2MouseDxe/CommPs2.h
2019-09-03 12:58:42 +03:00

390 lines
7.8 KiB
C

/** @file
PS2 Mouse Communication Interface
Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _COMMPS2_H_
#define _COMMPS2_H_
#include "Ps2Mouse.h"
#define PS2_PACKET_LENGTH 3
#define PS2_SYNC_MASK 0xc
#define PS2_SYNC_BYTE 0x8
#define IS_PS2_SYNC_BYTE(byte) ((byte & PS2_SYNC_MASK) == PS2_SYNC_BYTE)
#define PS2_READ_BYTE_ONE 0
#define PS2_READ_DATA_BYTE 1
#define PS2_PROCESS_PACKET 2
#define TIMEOUT 50000
#define BAT_TIMEOUT 500000
//
// 8042 I/O Port
//
#define KBC_DATA_PORT 0x60
#define KBC_CMD_STS_PORT 0x64
//
// 8042 Command
//
#define READ_CMD_BYTE 0x20
#define WRITE_CMD_BYTE 0x60
#define DISABLE_AUX 0xa7
#define ENABLE_AUX 0xa8
#define SELF_TEST 0xaa
#define DISABLE_KB 0xad
#define ENABLE_KB 0xae
#define WRITE_AUX_DEV 0xd4
#define CMD_SYS_FLAG 0x04
#define CMD_KB_STS 0x10
#define CMD_KB_DIS 0x10
#define CMD_KB_EN 0x0
//
// 8042 Auxiliary Device Command
//
#define SETSF1_CMD 0xe6
#define SETSF2_CMD 0xe7
#define SETRE_CMD 0xe8
#define READ_CMD 0xeb
#define SETRM_CMD 0xf0
#define SETSR_CMD 0xf3
#define ENABLE_CMD 0xf4
#define DISABLE_CMD 0xf5
#define RESET_CMD 0xff
//
// return code
//
#define PS2_ACK 0xfa
#define PS2_RESEND 0xfe
#define PS2MOUSE_BAT1 0xaa
#define PS2MOUSE_BAT2 0x0
//
// Keyboard Controller Status
//
///
/// Parity Error
///
#define KBC_PARE 0x80
///
/// General Time Out
///
#define KBC_TIM 0x40
///
/// Output buffer for auxiliary device (PS/2):
/// 0 - Holds keyboard data
/// 1 - Holds data for auxiliary device
///
#define KBC_AUXB 0x20
///
/// Keyboard lock status:
/// 0 - keyboard locked
/// 1 - keyboard free
///
#define KBC_KEYL 0x10
///
/// Command/Data:
/// 0 - data byte written via port 60h
/// 1 - command byte written via port 64h
///
#define KBC_CD 0x08
///
/// System Flag:
/// 0 - power-on reset
/// 1 - self-test successful
///
#define KBC_SYSF 0x04
///
/// Input Buffer Status :
/// 0 - input buffer empty
/// 1 - CPU data in input buffer
///
#define KBC_INPB 0x02
///
/// Output Buffer Status :
/// 0 - output buffer empty
/// 1 - keyboard controller data in output buffer
///
#define KBC_OUTB 0x01
/**
Issue self test command via IsaIo interface.
@return EFI_SUCCESS Success to do keyboard self testing.
@return others Fail to do keyboard self testing.
**/
EFI_STATUS
KbcSelfTest (
VOID
);
/**
Issue command to enable keyboard AUX functionality.
@return Status of command issuing.
**/
EFI_STATUS
KbcEnableAux (
VOID
);
/**
Issue command to disable keyboard AUX functionality.
@return Status of command issuing.
**/
EFI_STATUS
KbcDisableAux (
VOID
);
/**
Issue command to enable keyboard.
@return Status of command issuing.
**/
EFI_STATUS
KbcEnableKb (
VOID
);
/**
Issue command to disable keyboard.
@return Status of command issuing.
**/
EFI_STATUS
KbcDisableKb (
VOID
);
/**
Issue command to check keyboard status.
@param KeyboardEnable return whether keyboard is enable.
@return Status of command issuing.
**/
EFI_STATUS
CheckKbStatus (
OUT BOOLEAN *KeyboardEnable
);
/**
Issue command to reset keyboard.
@return Status of command issuing.
**/
EFI_STATUS
PS2MouseReset (
VOID
);
/**
Issue command to set mouse's sample rate
@param SampleRate value of sample rate
@return Status of command issuing.
**/
EFI_STATUS
PS2MouseSetSampleRate (
IN MOUSE_SR SampleRate
);
/**
Issue command to set mouse's resolution.
@param Resolution value of resolution
@return Status of command issuing.
**/
EFI_STATUS
PS2MouseSetResolution (
IN MOUSE_RE Resolution
);
/**
Issue command to set mouse's scaling.
@param Scaling value of scaling
@return Status of command issuing.
**/
EFI_STATUS
PS2MouseSetScaling (
IN MOUSE_SF Scaling
);
/**
Issue command to enable Ps2 mouse.
@return Status of command issuing.
**/
EFI_STATUS
PS2MouseEnable (
VOID
);
/**
Get mouse packet . Only care first 3 bytes
@param MouseDev Pointer of PS2 Mouse Private Data Structure
@retval EFI_NOT_READY Mouse Device not ready to input data packet, or some error happened during getting the packet
@retval EFI_SUCCESS The data packet is gotten successfully.
**/
EFI_STATUS
PS2MouseGetPacket (
PS2_MOUSE_DEV *MouseDev
);
/**
Read data via IsaIo protocol with given number.
@param Buffer Buffer receive data of mouse
@param BufSize The size of buffer
@param State Check input or read data
@return status of reading mouse data.
**/
EFI_STATUS
PS2MouseRead (
OUT UINT8 *Buffer,
IN OUT UINTN *BufSize,
IN UINTN State
);
//
// 8042 I/O function
//
/**
I/O work flow of outing 8042 command.
@param Command I/O command.
@retval EFI_SUCCESS Success to execute I/O work flow
@retval EFI_TIMEOUT Keyboard controller time out.
**/
EFI_STATUS
Out8042Command (
IN UINT8 Command
);
/**
I/O work flow of in 8042 data.
@param Data Data value
@retval EFI_SUCCESS Success to execute I/O work flow
@retval EFI_TIMEOUT Keyboard controller time out.
**/
EFI_STATUS
In8042Data (
IN OUT UINT8 *Data
);
/**
I/O work flow of outing 8042 data.
@param Data Data value
@retval EFI_SUCCESS Success to execute I/O work flow
@retval EFI_TIMEOUT Keyboard controller time out.
**/
EFI_STATUS
Out8042Data (
IN UINT8 Data
);
/**
I/O work flow of outing 8042 Aux command.
@param Command Aux I/O command
@param Resend Whether need resend the Aux command.
@retval EFI_SUCCESS Success to execute I/O work flow
@retval EFI_TIMEOUT Keyboard controller time out.
**/
EFI_STATUS
Out8042AuxCommand (
IN UINT8 Command,
IN BOOLEAN Resend
);
/**
I/O work flow of in 8042 Aux data.
@param Data Buffer holding return value.
@retval EFI_SUCCESS Success to execute I/O work flow
@retval EFI_TIMEOUT Keyboard controller time out.
**/
EFI_STATUS
In8042AuxData (
IN OUT UINT8 *Data
);
/**
I/O work flow of outing 8042 Aux data.
@param Data Buffer holding return value
@retval EFI_SUCCESS Success to execute I/O work flow
@retval EFI_TIMEOUT Keyboard controller time out.
**/
EFI_STATUS
Out8042AuxData (
IN UINT8 Data
);
/**
Check keyboard controller status, if it is output buffer full and for auxiliary device.
@retval EFI_SUCCESS Keyboard controller is ready
@retval EFI_NOT_READY Keyboard controller is not ready
**/
EFI_STATUS
CheckForInput (
VOID
);
/**
I/O work flow to wait input buffer empty in given time.
@param Timeout Wating time.
@retval EFI_TIMEOUT if input is still not empty in given time.
@retval EFI_SUCCESS input is empty.
**/
EFI_STATUS
WaitInputEmpty (
IN UINTN Timeout
);
/**
I/O work flow to wait output buffer full in given time.
@param Timeout given time
@retval EFI_TIMEOUT output is not full in given time
@retval EFI_SUCCESS output is full in given time.
**/
EFI_STATUS
WaitOutputFull (
IN UINTN Timeout
);
#endif