[mirror_edk2.git] / IntelFrameworkPkg / Library / DxeIoLibCpuIo / DxeCpuIoLibInternal.h

/** @file\r
  Internal include file of DXE CPU IO Library.\r
  It includes all necessary protocol/library class's header file\r
  for implementation of IoLib library instance. It is included \r
  all source code of this library instance.\r
  \r
  Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
  Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>\r
\r
  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
  Module Name:  DxeCpuIoLibInternal.h\r
\r
**/\r
\r
#ifndef _DXE_CPUIO_LIB_INTERNAL_H_\r
#define _DXE_CPUIO_LIB_INTERNAL_H_\r
\r
\r
#include <FrameworkDxe.h>\r
\r
#include <Protocol/CpuIo.h>\r
\r
#include <Library/IoLib.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/BaseLib.h>\r
\r
\r
/**\r
  Reads registers in the EFI CPU I/O space.\r
\r
  Reads the I/O port specified by Port with registers width specified by Width.\r
  The read value is returned.\r
\r
  This function must guarantee that all I/O read and write operations are serialized.\r
  If such operations are not supported, then ASSERT().\r
\r
  @param  Port          The base address of the I/O operation.\r
                        The caller is responsible for aligning the Address if required.\r
  @param  Width         The width of the I/O operation.\r
\r
  @return Data read from registers in the EFI CPU I/O space.\r
\r
**/\r
UINT64\r
EFIAPI\r
IoReadWorker (\r
  IN      UINTN                      Port,\r
  IN      EFI_CPU_IO_PROTOCOL_WIDTH  Width\r
  );\r
\r
/**\r
  Writes registers in the EFI CPU I/O space.\r
\r
  Writes the I/O port specified by Port with registers width and value specified by Width\r
  and Data respectively. Data is returned.\r
\r
  This function must guarantee that all I/O read and write operations are serialized.\r
  If such operations are not supported, then ASSERT().\r
\r
  @param  Port          The base address of the I/O operation.\r
                        The caller is responsible for aligning the Address if required.\r
  @param  Width         The width of the I/O operation.\r
  @param  Data          The value to write to the I/O port.\r
\r
  @return The parameter of Data.\r
\r
**/\r
UINT64\r
EFIAPI\r
IoWriteWorker (\r
  IN      UINTN                      Port,\r
  IN      EFI_CPU_IO_PROTOCOL_WIDTH  Width,\r
  IN      UINT64                     Data\r
  );\r
\r
/**\r
  Reads registers in the EFI CPU I/O space.\r
\r
  Reads the I/O port specified by Port with registers width specified by Width.\r
  The port is read Count times, and the read data is stored in the provided Buffer.\r
\r
  This function must guarantee that all I/O read and write operations are serialized.\r
  If such operations are not supported, then ASSERT().\r
\r
  @param  Port          The base address of the I/O operation.\r
                        The caller is responsible for aligning the Address if required.\r
  @param  Width         The width of the I/O operation.\r
  @param  Count         The number of times to read I/O port.\r
  @param  Buffer        The buffer to store the read data into.\r
\r
**/\r
VOID\r
EFIAPI\r
IoReadFifoWorker (\r
  IN      UINTN                      Port,\r
  IN      EFI_CPU_IO_PROTOCOL_WIDTH  Width,\r
  IN      UINTN                      Count,\r
  IN      VOID                       *Buffer\r
  );\r
\r
/**\r
  Writes registers in the EFI CPU I/O space.\r
\r
  Writes the I/O port specified by Port with registers width specified by Width.\r
  The port is written Count times, and the write data is retrieved from the provided Buffer.\r
\r
  This function must guarantee that all I/O read and write operations are serialized.\r
  If such operations are not supported, then ASSERT().\r
\r
  @param  Port          The base address of the I/O operation.\r
                        The caller is responsible for aligning the Address if required.\r
  @param  Width         The width of the I/O operation.\r
  @param  Count         The number of times to write I/O port.\r
  @param  Buffer        The buffer to store the read data into.\r
\r
**/\r
VOID\r
EFIAPI\r
IoWriteFifoWorker (\r
  IN      UINTN                      Port,\r
  IN      EFI_CPU_IO_PROTOCOL_WIDTH  Width,\r
  IN      UINTN                      Count,\r
  IN      VOID                       *Buffer\r
  );\r
\r
/**\r
  Reads memory-mapped registers in the EFI system memory space.\r
\r
  Reads the MMIO registers specified by Address with registers width specified by Width.\r
  The read value is returned. If such operations are not supported, then ASSERT().\r
  This function must guarantee that all MMIO read and write operations are serialized.\r
\r
  @param  Address       The MMIO register to read.\r
                        The caller is responsible for aligning the Address if required.\r
  @param  Width         The width of the I/O operation.\r
\r
  @return Data read from registers in the EFI system memory space.\r
\r
**/\r
UINT64\r
EFIAPI\r
MmioReadWorker (\r
  IN      UINTN                     Address,\r
  IN      EFI_CPU_IO_PROTOCOL_WIDTH Width\r
  );\r
\r
/**\r
  Writes memory-mapped registers in the EFI system memory space.\r
\r
  Writes the MMIO registers specified by Address with registers width and value specified by Width\r
  and Data respectively. Data is returned. If such operations are not supported, then ASSERT().\r
  This function must guarantee that all MMIO read and write operations are serialized.\r
\r
  @param  Address       The MMIO register to read.\r
                        The caller is responsible for aligning the Address if required.\r
  @param  Width         The width of the I/O operation.\r
  @param  Data          The value to write to the I/O port.\r
  \r
  @return Data read from registers in the EFI system memory space.\r
\r
**/\r
UINT64\r
EFIAPI\r
MmioWriteWorker (\r
  IN      UINTN                     Address,\r
  IN      EFI_CPU_IO_PROTOCOL_WIDTH Width,\r
  IN      UINT64                    Data\r
  );\r
\r
#endif\r
Commit	Line	Data
79964ac8	1	/** @file\r
79964ac8	2	Internal include file of DXE CPU IO Library.\r
c4fa3eac	3	It includes all necessary protocol/library class's header file\r
	4	for implementation of IoLib library instance. It is included \r
	5	all source code of this library instance.\r
	6	\r
2b3687db	7	Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
29ddc5f7 LD	8	Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>\r
29ddc5f7 LD	9	\r
2b3687db	10	This program and the accompanying materials\r
79964ac8	11	are licensed and made available under the terms and conditions of the BSD License\r
	12	which accompanies this distribution. The full text of the license may be found at\r
	13	http://opensource.org/licenses/bsd-license.php\r
	14	\r
	15	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	16	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	17	\r
	18	Module Name: DxeCpuIoLibInternal.h\r
	19	\r
	20	**/\r
	21	\r
	22	#ifndef _DXE_CPUIO_LIB_INTERNAL_H_\r
	23	#define _DXE_CPUIO_LIB_INTERNAL_H_\r
	24	\r
ed7748fe	25	\r
79964ac8	26	#include <FrameworkDxe.h>\r
53f93f7e	27	\r
53f93f7e	28	#include <Protocol/CpuIo.h>\r
ed7748fe	29	\r
79964ac8	30	#include <Library/IoLib.h>\r
	31	#include <Library/UefiBootServicesTableLib.h>\r
	32	#include <Library/DebugLib.h>\r
	33	#include <Library/BaseLib.h>\r
	34	\r
79964ac8	35	\r
	36	/**\r
	37	Reads registers in the EFI CPU I/O space.\r
	38	\r
	39	Reads the I/O port specified by Port with registers width specified by Width.\r
29ddc5f7 LD	40	The read value is returned.\r
29ddc5f7 LD	41	\r
79964ac8	42	This function must guarantee that all I/O read and write operations are serialized.\r
29ddc5f7	43	If such operations are not supported, then ASSERT().\r
79964ac8	44	\r
	45	@param Port The base address of the I/O operation.\r
	46	The caller is responsible for aligning the Address if required.\r
	47	@param Width The width of the I/O operation.\r
	48	\r
	49	@return Data read from registers in the EFI CPU I/O space.\r
	50	\r
	51	**/\r
	52	UINT64\r
	53	EFIAPI\r
	54	IoReadWorker (\r
29ddc5f7 LD	55	IN UINTN Port,\r
29ddc5f7 LD	56	IN EFI_CPU_IO_PROTOCOL_WIDTH Width\r
79964ac8	57	);\r
	58	\r
	59	/**\r
	60	Writes registers in the EFI CPU I/O space.\r
	61	\r
	62	Writes the I/O port specified by Port with registers width and value specified by Width\r
29ddc5f7 LD	63	and Data respectively. Data is returned.\r
29ddc5f7 LD	64	\r
79964ac8	65	This function must guarantee that all I/O read and write operations are serialized.\r
29ddc5f7	66	If such operations are not supported, then ASSERT().\r
79964ac8	67	\r
	68	@param Port The base address of the I/O operation.\r
	69	The caller is responsible for aligning the Address if required.\r
	70	@param Width The width of the I/O operation.\r
	71	@param Data The value to write to the I/O port.\r
	72	\r
d6a1c70d	73	@return The parameter of Data.\r
79964ac8	74	\r
	75	**/\r
	76	UINT64\r
	77	EFIAPI\r
	78	IoWriteWorker (\r
29ddc5f7 LD	79	IN UINTN Port,\r
	80	IN EFI_CPU_IO_PROTOCOL_WIDTH Width,\r
	81	IN UINT64 Data\r
	82	);\r
	83	\r
	84	/**\r
	85	Reads registers in the EFI CPU I/O space.\r
	86	\r
	87	Reads the I/O port specified by Port with registers width specified by Width.\r
	88	The port is read Count times, and the read data is stored in the provided Buffer.\r
	89	\r
	90	This function must guarantee that all I/O read and write operations are serialized.\r
	91	If such operations are not supported, then ASSERT().\r
	92	\r
	93	@param Port The base address of the I/O operation.\r
	94	The caller is responsible for aligning the Address if required.\r
	95	@param Width The width of the I/O operation.\r
	96	@param Count The number of times to read I/O port.\r
	97	@param Buffer The buffer to store the read data into.\r
	98	\r
	99	**/\r
	100	VOID\r
	101	EFIAPI\r
	102	IoReadFifoWorker (\r
	103	IN UINTN Port,\r
	104	IN EFI_CPU_IO_PROTOCOL_WIDTH Width,\r
	105	IN UINTN Count,\r
	106	IN VOID *Buffer\r
	107	);\r
	108	\r
	109	/**\r
	110	Writes registers in the EFI CPU I/O space.\r
	111	\r
	112	Writes the I/O port specified by Port with registers width specified by Width.\r
	113	The port is written Count times, and the write data is retrieved from the provided Buffer.\r
	114	\r
	115	This function must guarantee that all I/O read and write operations are serialized.\r
	116	If such operations are not supported, then ASSERT().\r
	117	\r
	118	@param Port The base address of the I/O operation.\r
	119	The caller is responsible for aligning the Address if required.\r
	120	@param Width The width of the I/O operation.\r
	121	@param Count The number of times to write I/O port.\r
	122	@param Buffer The buffer to store the read data into.\r
	123	\r
	124	**/\r
	125	VOID\r
	126	EFIAPI\r
	127	IoWriteFifoWorker (\r
	128	IN UINTN Port,\r
	129	IN EFI_CPU_IO_PROTOCOL_WIDTH Width,\r
	130	IN UINTN Count,\r
	131	IN VOID *Buffer\r
79964ac8	132	);\r
	133	\r
	134	/**\r
	135	Reads memory-mapped registers in the EFI system memory space.\r
	136	\r
	137	Reads the MMIO registers specified by Address with registers width specified by Width.\r
	138	The read value is returned. If such operations are not supported, then ASSERT().\r
	139	This function must guarantee that all MMIO read and write operations are serialized.\r
	140	\r
	141	@param Address The MMIO register to read.\r
	142	The caller is responsible for aligning the Address if required.\r
	143	@param Width The width of the I/O operation.\r
	144	\r
	145	@return Data read from registers in the EFI system memory space.\r
	146	\r
	147	**/\r
	148	UINT64\r
	149	EFIAPI\r
	150	MmioReadWorker (\r
	151	IN UINTN Address,\r
	152	IN EFI_CPU_IO_PROTOCOL_WIDTH Width\r
	153	);\r
	154	\r
	155	/**\r
	156	Writes memory-mapped registers in the EFI system memory space.\r
	157	\r
	158	Writes the MMIO registers specified by Address with registers width and value specified by Width\r
	159	and Data respectively. Data is returned. If such operations are not supported, then ASSERT().\r
	160	This function must guarantee that all MMIO read and write operations are serialized.\r
	161	\r
	162	@param Address The MMIO register to read.\r
	163	The caller is responsible for aligning the Address if required.\r
	164	@param Width The width of the I/O operation.\r
7459094d	165	@param Data The value to write to the I/O port.\r
7459094d	166	\r
79964ac8	167	@return Data read from registers in the EFI system memory space.\r
	168	\r
	169	**/\r
	170	UINT64\r
	171	EFIAPI\r
	172	MmioWriteWorker (\r
	173	IN UINTN Address,\r
	174	IN EFI_CPU_IO_PROTOCOL_WIDTH Width,\r
	175	IN UINT64 Data\r
	176	);\r
	177	\r
	178	#endif\r