CommPs2.h

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#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
//
#define KBC_PARE  0x80
#define KBC_TIM  0x40
#define KBC_AUXB  0x20
#define KBC_KEYL  0x10
#define KBC_CD  0x08
#define KBC_SYSF  0x04
#define KBC_INPB  0x02
#define KBC_OUTB  0x01
 
EFI_STATUS
KbcSelfTest (
  VOID
  );
 
EFI_STATUS
KbcEnableAux (
  VOID
  );
 
EFI_STATUS
KbcDisableAux (
  VOID
  );
 
EFI_STATUS
KbcEnableKb (
  VOID
  );
 
EFI_STATUS
KbcDisableKb (
  VOID
  );
 
EFI_STATUS
CheckKbStatus (
  OUT BOOLEAN  *KeyboardEnable
  );
 
EFI_STATUS
PS2MouseReset (
  VOID
  );
 
EFI_STATUS
PS2MouseSetSampleRate (
  IN MOUSE_SR  SampleRate
  );
 
EFI_STATUS
PS2MouseSetResolution (
  IN MOUSE_RE  Resolution
  );
 
EFI_STATUS
PS2MouseSetScaling (
  IN MOUSE_SF  Scaling
  );
 
EFI_STATUS
PS2MouseEnable (
  VOID
  );
 
EFI_STATUS
PS2MouseGetPacket (
  PS2_MOUSE_DEV  *MouseDev
  );
 
EFI_STATUS
PS2MouseRead (
  OUT UINT8     *Buffer,
  IN OUT UINTN  *BufSize,
  IN  UINTN     State
  );
 
//
// 8042 I/O function
//
 
EFI_STATUS
Out8042Command (
  IN UINT8  Command
  );
 
EFI_STATUS
In8042Data (
  IN OUT UINT8  *Data
  );
 
EFI_STATUS
Out8042Data (
  IN UINT8  Data
  );
 
EFI_STATUS
Out8042AuxCommand (
  IN UINT8    Command,
  IN BOOLEAN  Resend
  );
 
EFI_STATUS
In8042AuxData (
  IN OUT UINT8  *Data
  );
 
EFI_STATUS
Out8042AuxData (
  IN UINT8  Data
  );
 
EFI_STATUS
CheckForInput (
  VOID
  );
 
EFI_STATUS
WaitInputEmpty (
  IN UINTN  Timeout
  );
 
EFI_STATUS
WaitOutputFull (
  IN UINTN  Timeout
  );
 
#endif