[mirror_edk2.git] / IntelFrameworkModulePkg / Bus / Isa / Ps2MouseAbsolutePointerDxe / CommPs2.h

/** @file\r
  Using PS2 Mouse to simulation Absolution Pointer Device.\r
  \r
Copyright (c) 2006 - 2007, Intel Corporation\r
All rights reserved. This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution.  The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#ifndef __COMMPS2_H__\r
#define __COMMPS2_H__\r
\r
#define PS2_PACKET_LENGTH       3\r
#define PS2_SYNC_MASK           0xc\r
#define PS2_SYNC_BYTE           0x8\r
\r
#define IS_PS2_SYNC_BYTE(byte)  ((byte & PS2_SYNC_MASK) == PS2_SYNC_BYTE)\r
\r
#define PS2_READ_BYTE_ONE       0\r
#define PS2_READ_DATA_BYTE      1\r
#define PS2_PROCESS_PACKET      2\r
\r
#define TIMEOUT                 50000\r
#define BAT_TIMEOUT             500000\r
\r
//\r
// 8042 I/O Port\r
//\r
#define KBC_DATA_PORT     0x60\r
#define KBC_CMD_STS_PORT  0x64\r
\r
//\r
// 8042 Command\r
//\r
#define READ_CMD_BYTE   0x20\r
#define WRITE_CMD_BYTE  0x60\r
#define DISABLE_AUX     0xa7\r
#define ENABLE_AUX      0xa8\r
#define SELF_TEST       0xaa\r
#define DISABLE_KB      0xad\r
#define ENABLE_KB       0xae\r
#define WRITE_AUX_DEV   0xd4\r
\r
#define CMD_SYS_FLAG    0x04\r
#define CMD_KB_STS      0x10\r
#define CMD_KB_DIS      0x10\r
#define CMD_KB_EN       0x0\r
\r
//\r
// 8042 Auxiliary Device Command\r
//\r
#define SETSF1_CMD  0xe6\r
#define SETSF2_CMD  0xe7\r
#define SETRE_CMD   0xe8\r
#define READ_CMD    0xeb\r
#define SETRM_CMD   0xf0\r
#define SETSR_CMD   0xf3\r
#define ENABLE_CMD  0xf4\r
#define DISABLE_CMD 0xf5\r
#define RESET_CMD   0xff\r
\r
//\r
// return code\r
//\r
#define PS2_ACK       0xfa\r
#define PS2_RESEND    0xfe\r
#define PS2MOUSE_BAT1 0xaa\r
#define PS2MOUSE_BAT2 0x0\r
\r
//\r
// Keyboard Controller Status\r
//\r
#define KBC_PARE  0x80  // Parity Error\r
#define KBC_TIM   0x40  // General Time Out\r
#define KBC_AUXB  0x20  // Output buffer for auxiliary device (PS/2):\r
//    0 - Holds keyboard data\r
//    1 - Holds data for auxiliary device\r
//\r
#define KBC_KEYL  0x10  // Keyboard lock status:\r
//    0 - keyboard locked\r
//    1 - keyboard free\r
//\r
#define KBC_CD  0x08  // Command/Data:\r
//    0 - data byte written via port 60h\r
//    1 - command byte written via port 64h\r
//\r
#define KBC_SYSF  0x04  // System Flag:\r
//    0 - power-on reset\r
//    1 - self-test successful\r
//\r
#define KBC_INPB  0x02  // Input Buffer Status :\r
//    0 - input buffer empty\r
//    1 - CPU data in input buffer\r
//\r
#define KBC_OUTB  0x01  // Output Buffer Status :\r
//    0 - output buffer empty\r
//    1 - keyboard controller data in output buffer\r
//\r
\r
/**\r
  Issue self test command via IsaIo interface.\r
  \r
  @param IsaIo Pointer to instance of EFI_ISA_IO_PROTOCOL\r
  \r
  @return EFI_SUCCESS  Success to do keyboard self testing.\r
  @return others       Fail to do keyboard self testing.\r
**/\r
EFI_STATUS\r
KbcSelfTest (\r
  IN EFI_ISA_IO_PROTOCOL                  *IsaIo\r
  );\r
\r
/**\r
  Issue command to enable keyboard AUX functionality.\r
  \r
  @param IsaIo  Pointer to instance of EFI_ISA_IO_PROTOCOL\r
  \r
  @return Status of command issuing.\r
**/\r
EFI_STATUS\r
KbcEnableAux (\r
  IN EFI_ISA_IO_PROTOCOL                  *IsaIo\r
  );\r
\r
/**\r
  Issue command to disable keyboard AUX functionality.\r
  \r
  @param IsaIo  Pointer to instance of EFI_ISA_IO_PROTOCOL\r
  \r
  @return Status of command issuing.\r
**/\r
EFI_STATUS\r
KbcDisableAux (\r
  IN EFI_ISA_IO_PROTOCOL                  *IsaIo\r
  );\r
\r
/**\r
  Issue command to enable keyboard.\r
  \r
  @param IsaIo  Pointer to instance of EFI_ISA_IO_PROTOCOL\r
  \r
  @return Status of command issuing.\r
**/\r
EFI_STATUS\r
KbcEnableKb (\r
  IN EFI_ISA_IO_PROTOCOL                  *IsaIo\r
  );\r
\r
/**\r
  Issue command to disable keyboard.\r
  \r
  @param IsaIo  Pointer to instance of EFI_ISA_IO_PROTOCOL\r
  \r
  @return Status of command issuing.\r
**/\r
EFI_STATUS\r
KbcDisableKb (\r
  IN EFI_ISA_IO_PROTOCOL                  *IsaIo\r
  );\r
\r
/**\r
  Issue command to check keyboard status.\r
  \r
  @param IsaIo          Pointer to instance of EFI_ISA_IO_PROTOCOL\r
  @param KeyboardEnable return whether keyboard is enable.\r
  \r
  @return Status of command issuing.\r
**/\r
EFI_STATUS\r
CheckKbStatus (\r
  IN EFI_ISA_IO_PROTOCOL                  *IsaIo,\r
  OUT BOOLEAN                             *KeyboardEnable\r
  );\r
\r
/**\r
  Issue command to reset keyboard.\r
  \r
  @param IsaIo  Pointer to instance of EFI_ISA_IO_PROTOCOL\r
  \r
  @return Status of command issuing.\r
**/\r
EFI_STATUS\r
PS2MouseReset (\r
  IN EFI_ISA_IO_PROTOCOL                  *IsaIo\r
  );\r
\r
/**\r
  Issue command to set mouse's sample rate\r
  \r
  @param IsaIo  Pointer to instance of EFI_ISA_IO_PROTOCOL\r
  @param SampleRate value of sample rate \r
  \r
  @return Status of command issuing.\r
**/\r
EFI_STATUS\r
PS2MouseSetSampleRate (\r
  IN EFI_ISA_IO_PROTOCOL                  *IsaIo,\r
  IN MOUSE_SR                             SampleRate\r
  );\r
\r
/**\r
  Issue command to set mouse's resolution.\r
  \r
  @param IsaIo  Pointer to instance of EFI_ISA_IO_PROTOCOL\r
  @param Resolution value of resolution\r
  \r
  @return Status of command issuing.\r
**/\r
EFI_STATUS\r
PS2MouseSetResolution (\r
  IN EFI_ISA_IO_PROTOCOL                  *IsaIo,\r
  IN MOUSE_RE                             Resolution\r
  );\r
\r
/**\r
  Issue command to set mouse's scaling.\r
  \r
  @param IsaIo  Pointer to instance of EFI_ISA_IO_PROTOCOL\r
  @param Scaling value of scaling\r
  \r
  @return Status of command issuing.\r
**/\r
EFI_STATUS\r
PS2MouseSetScaling (\r
  IN EFI_ISA_IO_PROTOCOL                  *IsaIo,\r
  IN MOUSE_SF                             Scaling\r
  );\r
\r
/**\r
  Issue command to enable Ps2 mouse.\r
  \r
  @param IsaIo  Pointer to instance of EFI_ISA_IO_PROTOCOL\r
  \r
  @return Status of command issuing.\r
**/\r
EFI_STATUS\r
PS2MouseEnable (\r
  IN EFI_ISA_IO_PROTOCOL                  *IsaIo\r
  );\r
\r
/**\r
  Get mouse packet . Only care first 3 bytes\r
\r
  @param MouseAbsolutePointerDev  Pointer to PS2 Absolute Pointer Simulation Device Private Data Structure\r
\r
  @retval EFI_NOT_READY  Mouse Device not ready to input data packet, or some error happened during getting the packet\r
  @retval EFI_SUCCESS    The data packet is gotten successfully.\r
\r
**/\r
EFI_STATUS\r
PS2MouseGetPacket (\r
  PS2_MOUSE_ABSOLUTE_POINTER_DEV     *MouseAbsolutePointerDev\r
  );\r
\r
/**\r
  Read data via IsaIo protocol with given number.\r
  \r
  @param IsaIo   Pointer to instance of EFI_ISA_IO_PROTOCOL\r
  @param Buffer  Buffer receive data of mouse\r
  @param BufSize The size of buffer\r
  @param State   Check input or read data\r
  \r
  @return status of reading mouse data.\r
**/\r
EFI_STATUS\r
PS2MouseRead (\r
  IN EFI_ISA_IO_PROTOCOL                  *IsaIo,\r
  OUT VOID                                *Buffer,\r
  IN OUT UINTN                            *BufSize,\r
  IN  UINTN                               State\r
  );\r
\r
//\r
// 8042 I/O function\r
//\r
/**\r
  I/O work flow of outing 8042 command.\r
  \r
  @param IsaIo   Pointer to instance of EFI_ISA_IO_PROTOCOL\r
  @param Command I/O command.\r
  \r
  @retval EFI_SUCCESS Success to excute I/O work flow\r
  @retval EFI_TIMEOUT Keyboard controller time out.\r
**/\r
EFI_STATUS\r
Out8042Command (\r
  IN EFI_ISA_IO_PROTOCOL                  *IsaIo,\r
  IN UINT8                                Command\r
  );\r
\r
/**\r
  I/O work flow of in 8042 data.\r
  \r
  @param IsaIo   Pointer to instance of EFI_ISA_IO_PROTOCOL\r
  @param Data    Data value\r
  \r
  @retval EFI_SUCCESS Success to excute I/O work flow\r
  @retval EFI_TIMEOUT Keyboard controller time out.\r
**/\r
EFI_STATUS\r
In8042Data (\r
  IN EFI_ISA_IO_PROTOCOL                  *IsaIo,\r
  IN OUT UINT8                            *Data\r
  );\r
\r
/**\r
  I/O work flow of outing 8042 data.\r
  \r
  @param IsaIo   Pointer to instance of EFI_ISA_IO_PROTOCOL\r
  @param Data    Data value\r
  \r
  @retval EFI_SUCCESS Success to excute I/O work flow\r
  @retval EFI_TIMEOUT Keyboard controller time out.\r
**/\r
EFI_STATUS\r
Out8042Data (\r
  IN EFI_ISA_IO_PROTOCOL                  *IsaIo,\r
  IN UINT8                                Data\r
  );\r
\r
/**\r
  I/O work flow of outing 8042 Aux command.\r
  \r
  @param IsaIo   Pointer to instance of EFI_ISA_IO_PROTOCOL\r
  @param Command Aux I/O command\r
  @param Resend  Whether need resend the Aux command.\r
  \r
  @retval EFI_SUCCESS Success to excute I/O work flow\r
  @retval EFI_TIMEOUT Keyboard controller time out.\r
**/\r
EFI_STATUS\r
Out8042AuxCommand (\r
  IN EFI_ISA_IO_PROTOCOL                  *IsaIo,\r
  IN UINT8                                Command,\r
  IN BOOLEAN                              Resend\r
  );\r
\r
/**\r
  I/O work flow of in 8042 Aux data.\r
  \r
  @param IsaIo   Pointer to instance of EFI_ISA_IO_PROTOCOL\r
  @param Data    Buffer holding return value.\r
  \r
  @retval EFI_SUCCESS Success to excute I/O work flow\r
  @retval EFI_TIMEOUT Keyboard controller time out.\r
**/\r
EFI_STATUS\r
In8042AuxData (\r
  IN EFI_ISA_IO_PROTOCOL                  *IsaIo,\r
  IN OUT UINT8                            *Data\r
  );\r
\r
/**\r
  I/O work flow of outing 8042 Aux data.\r
  \r
  @param IsaIo   Pointer to instance of EFI_ISA_IO_PROTOCOL\r
  @param Data    Buffer holding return value.\r
  \r
  @retval EFI_SUCCESS Success to excute I/O work flow\r
  @retval EFI_TIMEOUT Keyboard controller time out.\r
**/\r
EFI_STATUS\r
Out8042AuxData (\r
  IN EFI_ISA_IO_PROTOCOL                  *IsaIo,\r
  IN UINT8                                Data\r
  );\r
\r
/**\r
  Check keyboard controller status, if it is output buffer full and for auxiliary device.\r
  \r
  @param IsaIo   Pointer to instance of EFI_ISA_IO_PROTOCOL\r
  \r
  @retval EFI_SUCCESS   Keyboard controller is ready\r
  @retval EFI_NOT_READY Keyboard controller is not ready\r
**/\r
EFI_STATUS\r
CheckForInput (\r
  IN EFI_ISA_IO_PROTOCOL                  *IsaIo\r
  );\r
\r
/**\r
  I/O work flow to wait input buffer empty in given time.\r
  \r
  @param IsaIo   Pointer to instance of EFI_ISA_IO_PROTOCOL\r
  @param Timeout Wating time.\r
  \r
  @retval EFI_TIMEOUT if input is still not empty in given time.\r
  @retval EFI_SUCCESS input is empty.\r
**/\r
EFI_STATUS\r
WaitInputEmpty (\r
  IN EFI_ISA_IO_PROTOCOL                  *IsaIo,\r
  IN UINTN                                Timeout\r
  );\r
\r
/**\r
  I/O work flow to wait output buffer full in given time.\r
  \r
  @param IsaIo   Pointer to instance of EFI_ISA_IO_PROTOCOL\r
  @param Timeout given time\r
  \r
  @retval EFI_TIMEOUT  output is not full in given time\r
  @retval EFI_SUCCESS  output is full in given time.\r
**/\r
EFI_STATUS\r
WaitOutputFull (\r
  IN EFI_ISA_IO_PROTOCOL                  *IsaIo,\r
  IN UINTN                                Timeout\r
  );\r
\r
#endif // __COMMPS2_H__\r
Commit	Line	Data
	1	/** @file\r
	2	Using PS2 Mouse to simulation Absolution Pointer Device.\r
	3	\r
	4	Copyright (c) 2006 - 2007, Intel Corporation\r
	5	All rights reserved. This program and the accompanying materials\r
	6	are licensed and made available under the terms and conditions of the BSD License\r
	7	which accompanies this distribution. The full text of the license may be found at\r
	8	http://opensource.org/licenses/bsd-license.php\r
	9	\r
	10	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	11	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	12	\r
	13	**/\r
	14	\r
	15	#ifndef __COMMPS2_H__\r
	16	#define __COMMPS2_H__\r
	17	\r
	18	#define PS2_PACKET_LENGTH 3\r
	19	#define PS2_SYNC_MASK 0xc\r
	20	#define PS2_SYNC_BYTE 0x8\r
	21	\r
	22	#define IS_PS2_SYNC_BYTE(byte) ((byte & PS2_SYNC_MASK) == PS2_SYNC_BYTE)\r
	23	\r
	24	#define PS2_READ_BYTE_ONE 0\r
	25	#define PS2_READ_DATA_BYTE 1\r
	26	#define PS2_PROCESS_PACKET 2\r
	27	\r
	28	#define TIMEOUT 50000\r
	29	#define BAT_TIMEOUT 500000\r
	30	\r
	31	//\r
	32	// 8042 I/O Port\r
	33	//\r
	34	#define KBC_DATA_PORT 0x60\r
	35	#define KBC_CMD_STS_PORT 0x64\r
	36	\r
	37	//\r
	38	// 8042 Command\r
	39	//\r
	40	#define READ_CMD_BYTE 0x20\r
	41	#define WRITE_CMD_BYTE 0x60\r
	42	#define DISABLE_AUX 0xa7\r
	43	#define ENABLE_AUX 0xa8\r
	44	#define SELF_TEST 0xaa\r
	45	#define DISABLE_KB 0xad\r
	46	#define ENABLE_KB 0xae\r
	47	#define WRITE_AUX_DEV 0xd4\r
	48	\r
	49	#define CMD_SYS_FLAG 0x04\r
	50	#define CMD_KB_STS 0x10\r
	51	#define CMD_KB_DIS 0x10\r
	52	#define CMD_KB_EN 0x0\r
	53	\r
	54	//\r
	55	// 8042 Auxiliary Device Command\r
	56	//\r
	57	#define SETSF1_CMD 0xe6\r
	58	#define SETSF2_CMD 0xe7\r
	59	#define SETRE_CMD 0xe8\r
	60	#define READ_CMD 0xeb\r
	61	#define SETRM_CMD 0xf0\r
	62	#define SETSR_CMD 0xf3\r
	63	#define ENABLE_CMD 0xf4\r
	64	#define DISABLE_CMD 0xf5\r
	65	#define RESET_CMD 0xff\r
	66	\r
	67	//\r
	68	// return code\r
	69	//\r
	70	#define PS2_ACK 0xfa\r
	71	#define PS2_RESEND 0xfe\r
	72	#define PS2MOUSE_BAT1 0xaa\r
	73	#define PS2MOUSE_BAT2 0x0\r
	74	\r
	75	//\r
	76	// Keyboard Controller Status\r
	77	//\r
	78	#define KBC_PARE 0x80 // Parity Error\r
	79	#define KBC_TIM 0x40 // General Time Out\r
	80	#define KBC_AUXB 0x20 // Output buffer for auxiliary device (PS/2):\r
	81	// 0 - Holds keyboard data\r
	82	// 1 - Holds data for auxiliary device\r
	83	//\r
	84	#define KBC_KEYL 0x10 // Keyboard lock status:\r
	85	// 0 - keyboard locked\r
	86	// 1 - keyboard free\r
	87	//\r
	88	#define KBC_CD 0x08 // Command/Data:\r
	89	// 0 - data byte written via port 60h\r
	90	// 1 - command byte written via port 64h\r
	91	//\r
	92	#define KBC_SYSF 0x04 // System Flag:\r
	93	// 0 - power-on reset\r
	94	// 1 - self-test successful\r
	95	//\r
	96	#define KBC_INPB 0x02 // Input Buffer Status :\r
	97	// 0 - input buffer empty\r
	98	// 1 - CPU data in input buffer\r
	99	//\r
	100	#define KBC_OUTB 0x01 // Output Buffer Status :\r
	101	// 0 - output buffer empty\r
	102	// 1 - keyboard controller data in output buffer\r
	103	//\r
	104	\r
	105	/**\r
	106	Issue self test command via IsaIo interface.\r
	107	\r
	108	@param IsaIo Pointer to instance of EFI_ISA_IO_PROTOCOL\r
	109	\r
	110	@return EFI_SUCCESS Success to do keyboard self testing.\r
	111	@return others Fail to do keyboard self testing.\r
	112	**/\r
	113	EFI_STATUS\r
	114	KbcSelfTest (\r
	115	IN EFI_ISA_IO_PROTOCOL *IsaIo\r
	116	);\r
	117	\r
	118	/**\r
	119	Issue command to enable keyboard AUX functionality.\r
	120	\r
	121	@param IsaIo Pointer to instance of EFI_ISA_IO_PROTOCOL\r
	122	\r
	123	@return Status of command issuing.\r
	124	**/\r
	125	EFI_STATUS\r
	126	KbcEnableAux (\r
	127	IN EFI_ISA_IO_PROTOCOL *IsaIo\r
	128	);\r
	129	\r
	130	/**\r
	131	Issue command to disable keyboard AUX functionality.\r
	132	\r
	133	@param IsaIo Pointer to instance of EFI_ISA_IO_PROTOCOL\r
	134	\r
	135	@return Status of command issuing.\r
	136	**/\r
	137	EFI_STATUS\r
	138	KbcDisableAux (\r
	139	IN EFI_ISA_IO_PROTOCOL *IsaIo\r
	140	);\r
	141	\r
	142	/**\r
	143	Issue command to enable keyboard.\r
	144	\r
	145	@param IsaIo Pointer to instance of EFI_ISA_IO_PROTOCOL\r
	146	\r
	147	@return Status of command issuing.\r
	148	**/\r
	149	EFI_STATUS\r
	150	KbcEnableKb (\r
	151	IN EFI_ISA_IO_PROTOCOL *IsaIo\r
	152	);\r
	153	\r
	154	/**\r
	155	Issue command to disable keyboard.\r
	156	\r
	157	@param IsaIo Pointer to instance of EFI_ISA_IO_PROTOCOL\r
	158	\r
	159	@return Status of command issuing.\r
	160	**/\r
	161	EFI_STATUS\r
	162	KbcDisableKb (\r
	163	IN EFI_ISA_IO_PROTOCOL *IsaIo\r
	164	);\r
	165	\r
	166	/**\r
	167	Issue command to check keyboard status.\r
	168	\r
	169	@param IsaIo Pointer to instance of EFI_ISA_IO_PROTOCOL\r
	170	@param KeyboardEnable return whether keyboard is enable.\r
	171	\r
	172	@return Status of command issuing.\r
	173	**/\r
	174	EFI_STATUS\r
	175	CheckKbStatus (\r
	176	IN EFI_ISA_IO_PROTOCOL *IsaIo,\r
	177	OUT BOOLEAN *KeyboardEnable\r
	178	);\r
	179	\r
	180	/**\r
	181	Issue command to reset keyboard.\r
	182	\r
	183	@param IsaIo Pointer to instance of EFI_ISA_IO_PROTOCOL\r
	184	\r
	185	@return Status of command issuing.\r
	186	**/\r
	187	EFI_STATUS\r
	188	PS2MouseReset (\r
	189	IN EFI_ISA_IO_PROTOCOL *IsaIo\r
	190	);\r
	191	\r
	192	/**\r
	193	Issue command to set mouse's sample rate\r
	194	\r
	195	@param IsaIo Pointer to instance of EFI_ISA_IO_PROTOCOL\r
	196	@param SampleRate value of sample rate \r
	197	\r
	198	@return Status of command issuing.\r
	199	**/\r
	200	EFI_STATUS\r
	201	PS2MouseSetSampleRate (\r
	202	IN EFI_ISA_IO_PROTOCOL *IsaIo,\r
	203	IN MOUSE_SR SampleRate\r
	204	);\r
	205	\r
	206	/**\r
	207	Issue command to set mouse's resolution.\r
	208	\r
	209	@param IsaIo Pointer to instance of EFI_ISA_IO_PROTOCOL\r
	210	@param Resolution value of resolution\r
	211	\r
	212	@return Status of command issuing.\r
	213	**/\r
	214	EFI_STATUS\r
	215	PS2MouseSetResolution (\r
	216	IN EFI_ISA_IO_PROTOCOL *IsaIo,\r
	217	IN MOUSE_RE Resolution\r
	218	);\r
	219	\r
	220	/**\r
	221	Issue command to set mouse's scaling.\r
	222	\r
	223	@param IsaIo Pointer to instance of EFI_ISA_IO_PROTOCOL\r
	224	@param Scaling value of scaling\r
	225	\r
	226	@return Status of command issuing.\r
	227	**/\r
	228	EFI_STATUS\r
	229	PS2MouseSetScaling (\r
	230	IN EFI_ISA_IO_PROTOCOL *IsaIo,\r
	231	IN MOUSE_SF Scaling\r
	232	);\r
	233	\r
	234	/**\r
	235	Issue command to enable Ps2 mouse.\r
	236	\r
	237	@param IsaIo Pointer to instance of EFI_ISA_IO_PROTOCOL\r
	238	\r
	239	@return Status of command issuing.\r
	240	**/\r
	241	EFI_STATUS\r
	242	PS2MouseEnable (\r
	243	IN EFI_ISA_IO_PROTOCOL *IsaIo\r
	244	);\r
	245	\r
	246	/**\r
	247	Get mouse packet . Only care first 3 bytes\r
	248	\r
	249	@param MouseAbsolutePointerDev Pointer to PS2 Absolute Pointer Simulation Device Private Data Structure\r
	250	\r
	251	@retval EFI_NOT_READY Mouse Device not ready to input data packet, or some error happened during getting the packet\r
	252	@retval EFI_SUCCESS The data packet is gotten successfully.\r
	253	\r
	254	**/\r
	255	EFI_STATUS\r
	256	PS2MouseGetPacket (\r
	257	PS2_MOUSE_ABSOLUTE_POINTER_DEV *MouseAbsolutePointerDev\r
	258	);\r
	259	\r
	260	/**\r
	261	Read data via IsaIo protocol with given number.\r
	262	\r
	263	@param IsaIo Pointer to instance of EFI_ISA_IO_PROTOCOL\r
	264	@param Buffer Buffer receive data of mouse\r
	265	@param BufSize The size of buffer\r
	266	@param State Check input or read data\r
	267	\r
	268	@return status of reading mouse data.\r
	269	**/\r
	270	EFI_STATUS\r
	271	PS2MouseRead (\r
	272	IN EFI_ISA_IO_PROTOCOL *IsaIo,\r
	273	OUT VOID *Buffer,\r
	274	IN OUT UINTN *BufSize,\r
	275	IN UINTN State\r
	276	);\r
	277	\r
	278	//\r
	279	// 8042 I/O function\r
	280	//\r
	281	/**\r
	282	I/O work flow of outing 8042 command.\r
	283	\r
	284	@param IsaIo Pointer to instance of EFI_ISA_IO_PROTOCOL\r
	285	@param Command I/O command.\r
	286	\r
	287	@retval EFI_SUCCESS Success to excute I/O work flow\r
	288	@retval EFI_TIMEOUT Keyboard controller time out.\r
	289	**/\r
	290	EFI_STATUS\r
	291	Out8042Command (\r
	292	IN EFI_ISA_IO_PROTOCOL *IsaIo,\r
	293	IN UINT8 Command\r
	294	);\r
	295	\r
	296	/**\r
	297	I/O work flow of in 8042 data.\r
	298	\r
	299	@param IsaIo Pointer to instance of EFI_ISA_IO_PROTOCOL\r
	300	@param Data Data value\r
	301	\r
	302	@retval EFI_SUCCESS Success to excute I/O work flow\r
	303	@retval EFI_TIMEOUT Keyboard controller time out.\r
	304	**/\r
	305	EFI_STATUS\r
	306	In8042Data (\r
	307	IN EFI_ISA_IO_PROTOCOL *IsaIo,\r
	308	IN OUT UINT8 *Data\r
	309	);\r
	310	\r
	311	/**\r
	312	I/O work flow of outing 8042 data.\r
	313	\r
	314	@param IsaIo Pointer to instance of EFI_ISA_IO_PROTOCOL\r
	315	@param Data Data value\r
	316	\r
	317	@retval EFI_SUCCESS Success to excute I/O work flow\r
	318	@retval EFI_TIMEOUT Keyboard controller time out.\r
	319	**/\r
	320	EFI_STATUS\r
	321	Out8042Data (\r
	322	IN EFI_ISA_IO_PROTOCOL *IsaIo,\r
	323	IN UINT8 Data\r
	324	);\r
	325	\r
	326	/**\r
	327	I/O work flow of outing 8042 Aux command.\r
	328	\r
	329	@param IsaIo Pointer to instance of EFI_ISA_IO_PROTOCOL\r
	330	@param Command Aux I/O command\r
	331	@param Resend Whether need resend the Aux command.\r
	332	\r
	333	@retval EFI_SUCCESS Success to excute I/O work flow\r
	334	@retval EFI_TIMEOUT Keyboard controller time out.\r
	335	**/\r
	336	EFI_STATUS\r
	337	Out8042AuxCommand (\r
	338	IN EFI_ISA_IO_PROTOCOL *IsaIo,\r
	339	IN UINT8 Command,\r
	340	IN BOOLEAN Resend\r
	341	);\r
	342	\r
	343	/**\r
	344	I/O work flow of in 8042 Aux data.\r
	345	\r
	346	@param IsaIo Pointer to instance of EFI_ISA_IO_PROTOCOL\r
	347	@param Data Buffer holding return value.\r
	348	\r
	349	@retval EFI_SUCCESS Success to excute I/O work flow\r
	350	@retval EFI_TIMEOUT Keyboard controller time out.\r
	351	**/\r
	352	EFI_STATUS\r
	353	In8042AuxData (\r
	354	IN EFI_ISA_IO_PROTOCOL *IsaIo,\r
	355	IN OUT UINT8 *Data\r
	356	);\r
	357	\r
	358	/**\r
	359	I/O work flow of outing 8042 Aux data.\r
	360	\r
	361	@param IsaIo Pointer to instance of EFI_ISA_IO_PROTOCOL\r
	362	@param Data Buffer holding return value.\r
	363	\r
	364	@retval EFI_SUCCESS Success to excute I/O work flow\r
	365	@retval EFI_TIMEOUT Keyboard controller time out.\r
	366	**/\r
	367	EFI_STATUS\r
	368	Out8042AuxData (\r
	369	IN EFI_ISA_IO_PROTOCOL *IsaIo,\r
	370	IN UINT8 Data\r
	371	);\r
	372	\r
	373	/**\r
	374	Check keyboard controller status, if it is output buffer full and for auxiliary device.\r
	375	\r
	376	@param IsaIo Pointer to instance of EFI_ISA_IO_PROTOCOL\r
	377	\r
	378	@retval EFI_SUCCESS Keyboard controller is ready\r
	379	@retval EFI_NOT_READY Keyboard controller is not ready\r
	380	**/\r
	381	EFI_STATUS\r
	382	CheckForInput (\r
	383	IN EFI_ISA_IO_PROTOCOL *IsaIo\r
	384	);\r
	385	\r
	386	/**\r
	387	I/O work flow to wait input buffer empty in given time.\r
	388	\r
	389	@param IsaIo Pointer to instance of EFI_ISA_IO_PROTOCOL\r
	390	@param Timeout Wating time.\r
	391	\r
	392	@retval EFI_TIMEOUT if input is still not empty in given time.\r
	393	@retval EFI_SUCCESS input is empty.\r
	394	**/\r
	395	EFI_STATUS\r
	396	WaitInputEmpty (\r
	397	IN EFI_ISA_IO_PROTOCOL *IsaIo,\r
	398	IN UINTN Timeout\r
	399	);\r
	400	\r
	401	/**\r
	402	I/O work flow to wait output buffer full in given time.\r
	403	\r
	404	@param IsaIo Pointer to instance of EFI_ISA_IO_PROTOCOL\r
	405	@param Timeout given time\r
	406	\r
	407	@retval EFI_TIMEOUT output is not full in given time\r
	408	@retval EFI_SUCCESS output is full in given time.\r
	409	**/\r
	410	EFI_STATUS\r
	411	WaitOutputFull (\r
	412	IN EFI_ISA_IO_PROTOCOL *IsaIo,\r
	413	IN UINTN Timeout\r
	414	);\r
	415	\r
	416	#endif // __COMMPS2_H__\r