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authorGuo Mang <mang.guo@intel.com>2017-04-27 11:08:17 +0800
committerGuo Mang <mang.guo@intel.com>2017-04-27 11:08:17 +0800
commitb0724f89e3b05de1d6492e79ec89f6d467cb14f0 (patch)
treee4a9eff6dc255621c2f0a08d61d32bf95087a7a9 /MdePkg/Library/PeiSmbusLibSmbus2Ppi
parentc23f114d3cfbb29b8734b87213d1ec0de404197b (diff)
downloadedk2-platforms-b0724f89e3b05de1d6492e79ec89f6d467cb14f0.tar.xz
MdePkg: Move to new location
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'MdePkg/Library/PeiSmbusLibSmbus2Ppi')
-rw-r--r--MdePkg/Library/PeiSmbusLibSmbus2Ppi/InternalSmbusLib.h80
-rw-r--r--MdePkg/Library/PeiSmbusLibSmbus2Ppi/PeiSmbusLib.c95
-rw-r--r--MdePkg/Library/PeiSmbusLibSmbus2Ppi/PeiSmbusLibSmbus2Ppi.inf50
-rw-r--r--MdePkg/Library/PeiSmbusLibSmbus2Ppi/PeiSmbusLibSmbus2Ppi.uni21
-rw-r--r--MdePkg/Library/PeiSmbusLibSmbus2Ppi/SmbusLib.c584
5 files changed, 0 insertions, 830 deletions
diff --git a/MdePkg/Library/PeiSmbusLibSmbus2Ppi/InternalSmbusLib.h b/MdePkg/Library/PeiSmbusLibSmbus2Ppi/InternalSmbusLib.h
deleted file mode 100644
index 00f8078f76..0000000000
--- a/MdePkg/Library/PeiSmbusLibSmbus2Ppi/InternalSmbusLib.h
+++ /dev/null
@@ -1,80 +0,0 @@
-/** @file
-Internal header file for Smbus library.
-
-Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
-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 __INTERNAL_SMBUS_LIB_H_
-#define __INTERNAL_SMBUS_LIB_H_
-
-
-#include <PiPei.h>
-
-#include <Ppi/Smbus2.h>
-
-#include <Library/SmbusLib.h>
-#include <Library/DebugLib.h>
-#include <Library/PeiServicesLib.h>
-#include <Library/BaseMemoryLib.h>
-
-//
-// Declaration for internal functions
-//
-
-/**
- Gets Smbus PPIs.
-
- This internal function retrieves Smbus PPI from PPI database.
-
- @param VOID
-
- @return The pointer to Smbus PPI.
-
-**/
-EFI_PEI_SMBUS2_PPI *
-InternalGetSmbusPpi (
- VOID
- );
-
-/**
- Executes an SMBus operation to an SMBus controller.
-
- This function provides a standard way to execute Smbus script
- as defined in the SmBus Specification. The data can either be of
- the Length byte, word, or a block of data.
-
- @param SmbusOperation Signifies which particular SMBus hardware protocol
- instance that it will use to execute the SMBus transactions.
- @param SmBusAddress The address that encodes the SMBUS Slave Address,
- SMBUS Command, SMBUS Data Length, and PEC.
- @param Length Signifies the number of bytes that this operation will
- do. The maximum number of bytes can be revision specific
- and operation specific.
- @param Buffer Contains the value of data to execute to the SMBus slave
- device. Not all operations require this argument. The
- length of this buffer is identified by Length.
- @param Status Return status for the executed command.
- This is an optional parameter and may be NULL.
-
- @return The actual number of bytes that are executed for this operation.
-
-**/
-UINTN
-InternalSmBusExec (
- IN EFI_SMBUS_OPERATION SmbusOperation,
- IN UINTN SmBusAddress,
- IN UINTN Length,
- IN OUT VOID *Buffer,
- OUT RETURN_STATUS *Status OPTIONAL
- );
-
-#endif
diff --git a/MdePkg/Library/PeiSmbusLibSmbus2Ppi/PeiSmbusLib.c b/MdePkg/Library/PeiSmbusLibSmbus2Ppi/PeiSmbusLib.c
deleted file mode 100644
index 5821e9bb6d..0000000000
--- a/MdePkg/Library/PeiSmbusLibSmbus2Ppi/PeiSmbusLib.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/** @file
-Implementation of SmBusLib class library for PEI phase.
-
-Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
-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.
-
-**/
-
-#include "InternalSmbusLib.h"
-
-/**
- Gets Smbus PPIs.
-
- This internal function retrieves Smbus PPI from PPI database.
-
- @param VOID
-
- @return The pointer to Smbus PPI.
-
-**/
-EFI_PEI_SMBUS2_PPI *
-InternalGetSmbusPpi (
- VOID
- )
-{
- EFI_STATUS Status;
- EFI_PEI_SMBUS2_PPI *SmbusPpi;
-
- Status = PeiServicesLocatePpi (&gEfiPeiSmbus2PpiGuid, 0, NULL, (VOID **) &SmbusPpi);
- ASSERT_EFI_ERROR (Status);
- ASSERT (SmbusPpi != NULL);
-
- return SmbusPpi;
-}
-
-/**
- Executes an SMBus operation to an SMBus controller.
-
- This function provides a standard way to execute Smbus script
- as defined in the SmBus Specification. The data can either be of
- the Length byte, word, or a block of data.
-
- @param SmbusOperation Signifies which particular SMBus hardware protocol instance
- that it will use to execute the SMBus transactions.
- @param SmBusAddress The address that encodes the SMBUS Slave Address,
- SMBUS Command, SMBUS Data Length, and PEC.
- @param Length Signifies the number of bytes that this operation will
- do. The maximum number of bytes can be revision specific
- and operation specific.
- @param Buffer Contains the value of data to execute to the SMBus slave
- device. Not all operations require this argument. The
- length of this buffer is identified by Length.
- @param Status Return status for the executed command.
- This is an optional parameter and may be NULL.
-
- @return The actual number of bytes that are executed for this operation.
-
-**/
-UINTN
-InternalSmBusExec (
- IN EFI_SMBUS_OPERATION SmbusOperation,
- IN UINTN SmBusAddress,
- IN UINTN Length,
- IN OUT VOID *Buffer,
- OUT RETURN_STATUS *Status OPTIONAL
- )
-{
- EFI_PEI_SMBUS2_PPI *SmbusPpi;
- RETURN_STATUS ReturnStatus;
- EFI_SMBUS_DEVICE_ADDRESS SmbusDeviceAddress;
-
- SmbusPpi = InternalGetSmbusPpi ();
- SmbusDeviceAddress.SmbusDeviceAddress = SMBUS_LIB_SLAVE_ADDRESS (SmBusAddress);
-
- ReturnStatus = SmbusPpi->Execute (
- SmbusPpi,
- SmbusDeviceAddress,
- SMBUS_LIB_COMMAND (SmBusAddress),
- SmbusOperation,
- SMBUS_LIB_PEC (SmBusAddress),
- &Length,
- Buffer
- );
- if (Status != NULL) {
- *Status = ReturnStatus;
- }
-
- return Length;
-}
diff --git a/MdePkg/Library/PeiSmbusLibSmbus2Ppi/PeiSmbusLibSmbus2Ppi.inf b/MdePkg/Library/PeiSmbusLibSmbus2Ppi/PeiSmbusLibSmbus2Ppi.inf
deleted file mode 100644
index cef8e03ad8..0000000000
--- a/MdePkg/Library/PeiSmbusLibSmbus2Ppi/PeiSmbusLibSmbus2Ppi.inf
+++ /dev/null
@@ -1,50 +0,0 @@
-## @file
-# SMBUS library that layers on top of the SMBUS2 PPI.
-#
-# Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
-#
-# 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.
-#
-#
-##
-
-[Defines]
- INF_VERSION = 0x00010005
- BASE_NAME = PeiSmbusLibSmbus2Ppi
- MODULE_UNI_FILE = PeiSmbusLibSmbus2Ppi.uni
- FILE_GUID = 2A1E1C92-AABA-4d62-AC40-F3A4C3387356
- MODULE_TYPE = PEIM
- VERSION_STRING = 1.0
- LIBRARY_CLASS = SmbusLib|PEIM SEC
-
-
-#
-# VALID_ARCHITECTURES = IA32 X64 IPF EBC (EBC is for build only)
-#
-
-[Sources]
- SmbusLib.c
- PeiSmbusLib.c
- InternalSmbusLib.h
-
-
-[Packages]
- MdePkg/MdePkg.dec
-
-
-[LibraryClasses]
- BaseMemoryLib
- PeiServicesLib
- DebugLib
-
-[Ppis]
- gEfiPeiSmbus2PpiGuid ## CONSUMES
-
-[Depex.common.PEIM]
- gEfiPeiSmbus2PpiGuid
-
diff --git a/MdePkg/Library/PeiSmbusLibSmbus2Ppi/PeiSmbusLibSmbus2Ppi.uni b/MdePkg/Library/PeiSmbusLibSmbus2Ppi/PeiSmbusLibSmbus2Ppi.uni
deleted file mode 100644
index 9514a39951..0000000000
--- a/MdePkg/Library/PeiSmbusLibSmbus2Ppi/PeiSmbusLibSmbus2Ppi.uni
+++ /dev/null
@@ -1,21 +0,0 @@
-// /** @file
-// SMBUS library that layers on top of the SMBUS2 PPI.
-//
-// SMBUS library that layers on top of the SMBUS2 PPI.
-//
-// Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
-//
-// 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.
-//
-// **/
-
-
-#string STR_MODULE_ABSTRACT #language en-US "SMBUS library that layers on top of the SMBUS2 PPI"
-
-#string STR_MODULE_DESCRIPTION #language en-US "SMBUS library that layers on top of the SMBUS2 PPI."
-
diff --git a/MdePkg/Library/PeiSmbusLibSmbus2Ppi/SmbusLib.c b/MdePkg/Library/PeiSmbusLibSmbus2Ppi/SmbusLib.c
deleted file mode 100644
index 42e9513f57..0000000000
--- a/MdePkg/Library/PeiSmbusLibSmbus2Ppi/SmbusLib.c
+++ /dev/null
@@ -1,584 +0,0 @@
-/** @file
-Implementation of SmBusLib class library for PEI phase.
-
-Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-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.
-
-
-**/
-
-#include "InternalSmbusLib.h"
-
-/**
- Executes an SMBUS quick read command.
-
- Executes an SMBUS quick read command on the SMBUS device specified by SmBusAddress.
- Only the SMBUS slave address field of SmBusAddress is required.
- If Status is not NULL, then the status of the executed command is returned in Status.
- If PEC is set in SmBusAddress, then ASSERT().
- If Command in SmBusAddress is not zero, then ASSERT().
- If Length in SmBusAddress is not zero, then ASSERT().
- If any reserved bits of SmBusAddress are set, then ASSERT().
-
- @param SmBusAddress The address that encodes the SMBUS Slave Address,
- SMBUS Command, SMBUS Data Length, and PEC.
- @param Status Return status for the executed command.
- This is an optional parameter and may be NULL.
- RETURN_SUCCESS: The SMBUS command was executed.
- RETURN_TIMEOUT: A timeout occurred while executing the
- SMBUS command.
- RETURN_DEVICE_ERROR: The request was not completed because
- a failure reflected in the Host Status Register bit.
- Device errors are a result of a transaction collision,
- illegal command field, unclaimed cycle
- (host initiated), or bus errors (collisions).
- RETURN_UNSUPPORTED: The SMBus operation is not supported.
-
-**/
-VOID
-EFIAPI
-SmBusQuickRead (
- IN UINTN SmBusAddress,
- OUT RETURN_STATUS *Status OPTIONAL
- )
-{
- ASSERT (!SMBUS_LIB_PEC (SmBusAddress));
- ASSERT (SMBUS_LIB_COMMAND (SmBusAddress) == 0);
- ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) == 0);
- ASSERT (SMBUS_LIB_RESERVED (SmBusAddress) == 0);
-
- InternalSmBusExec (EfiSmbusQuickRead, SmBusAddress, 0, NULL, Status);
-}
-
-/**
- Executes an SMBUS quick write command.
-
- Executes an SMBUS quick write command on the SMBUS device specified by SmBusAddress.
- Only the SMBUS slave address field of SmBusAddress is required.
- If Status is not NULL, then the status of the executed command is returned in Status.
- If PEC is set in SmBusAddress, then ASSERT().
- If Command in SmBusAddress is not zero, then ASSERT().
- If Length in SmBusAddress is not zero, then ASSERT().
- If any reserved bits of SmBusAddress are set, then ASSERT().
-
- @param SmBusAddress The address that encodes the SMBUS Slave Address,
- SMBUS Command, SMBUS Data Length, and PEC.
- @param Status Return status for the executed command.
- This is an optional parameter and may be NULL.
- RETURN_SUCCESS: The SMBUS command was executed.
- RETURN_TIMEOUT: A timeout occurred while executing the
- SMBUS command.
- RETURN_DEVICE_ERROR: The request was not completed because
- a failure reflected in the Host Status Register bit. Device
- errors are a result of a transaction collision, illegal
- command field, unclaimed cycle (host initiated), or bus
- errors (collisions).
- RETURN_UNSUPPORTED:: The SMBus operation is not supported.
-
-**/
-VOID
-EFIAPI
-SmBusQuickWrite (
- IN UINTN SmBusAddress,
- OUT RETURN_STATUS *Status OPTIONAL
- )
-{
- ASSERT (!SMBUS_LIB_PEC (SmBusAddress));
- ASSERT (SMBUS_LIB_COMMAND (SmBusAddress) == 0);
- ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) == 0);
- ASSERT (SMBUS_LIB_RESERVED (SmBusAddress) == 0);
-
- InternalSmBusExec (EfiSmbusQuickWrite, SmBusAddress, 0, NULL, Status);
-}
-
-/**
- Executes an SMBUS receive byte command.
-
- Executes an SMBUS receive byte command on the SMBUS device specified by SmBusAddress.
- Only the SMBUS slave address field of SmBusAddress is required.
- The byte received from the SMBUS is returned.
- If Status is not NULL, then the status of the executed command is returned in Status.
- If Command in SmBusAddress is not zero, then ASSERT().
- If Length in SmBusAddress is not zero, then ASSERT().
- If any reserved bits of SmBusAddress are set, then ASSERT().
-
- @param SmBusAddress The address that encodes the SMBUS Slave Address,
- SMBUS Command, SMBUS Data Length, and PEC.
- @param Status Return status for the executed command.
- This is an optional parameter and may be NULL.
- RETURN_SUCCESS: The SMBUS command was executed.
- RETURN_TIMEOUT: A timeout occurred while executing the
- SMBUS command.
- RETURN_DEVICE_ERROR: The request was not completed because
- a failure reflected in the Host Status Register bit.
- Device errors are a result of a transaction collision,
- illegal command field, unclaimed cycle (host initiated),
- or bus errors (collisions).
- RETURN_CRC_ERROR: The checksum is not correct. (PEC is incorrect.)
- RETURN_UNSUPPORTED: The SMBus operation is not supported.
-
- @return The byte received from the SMBUS.
-
-**/
-UINT8
-EFIAPI
-SmBusReceiveByte (
- IN UINTN SmBusAddress,
- OUT RETURN_STATUS *Status OPTIONAL
- )
-{
- UINT8 Byte;
-
- ASSERT (SMBUS_LIB_COMMAND (SmBusAddress) == 0);
- ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) == 0);
- ASSERT (SMBUS_LIB_RESERVED (SmBusAddress) == 0);
-
- InternalSmBusExec (EfiSmbusReceiveByte, SmBusAddress, 1, &Byte, Status);
-
- return Byte;
-}
-
-/**
- Executes an SMBUS send byte command.
-
- Executes an SMBUS send byte command on the SMBUS device specified by SmBusAddress.
- The byte specified by Value is sent.
- Only the SMBUS slave address field of SmBusAddress is required. Value is returned.
- If Status is not NULL, then the status of the executed command is returned in Status.
- If Command in SmBusAddress is not zero, then ASSERT().
- If Length in SmBusAddress is not zero, then ASSERT().
- If any reserved bits of SmBusAddress are set, then ASSERT().
-
- @param SmBusAddress The address that encodes the SMBUS Slave Address,
- SMBUS Command, SMBUS Data Length, and PEC.
- @param Value The 8-bit value to send.
- @param Status Return status for the executed command.
- This is an optional parameter and may be NULL.
- RETURN_SUCCESS: The SMBUS command was executed.
- RETURN_TIMEOUT: A timeout occurred while executing the
- SMBUS command.
- RETURN_DEVICE_ERROR: The request was not completed because
- a failure reflected in the Host Status Register bit. Device
- errors are a result of a transaction collision, illegal
- command field, unclaimed cycle (host initiated), or bus
- errors (collisions).
- RETURN_CRC_ERROR: The checksum is not correct. (PEC is incorrect.)
- RETURN_UNSUPPORTED: The SMBus operation is not supported.
-
- @return The parameter of Value.
-
-**/
-UINT8
-EFIAPI
-SmBusSendByte (
- IN UINTN SmBusAddress,
- IN UINT8 Value,
- OUT RETURN_STATUS *Status OPTIONAL
- )
-{
- UINT8 Byte;
-
- ASSERT (SMBUS_LIB_COMMAND (SmBusAddress) == 0);
- ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) == 0);
- ASSERT (SMBUS_LIB_RESERVED (SmBusAddress) == 0);
-
- Byte = Value;
- InternalSmBusExec (EfiSmbusSendByte, SmBusAddress, 1, &Byte, Status);
-
- return Value;
-}
-
-/**
- Executes an SMBUS read data byte command.
-
- Executes an SMBUS read data byte command on the SMBUS device specified by SmBusAddress.
- Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required.
- The 8-bit value read from the SMBUS is returned.
- If Status is not NULL, then the status of the executed command is returned in Status.
- If Length in SmBusAddress is not zero, then ASSERT().
- If any reserved bits of SmBusAddress are set, then ASSERT().
-
- @param SmBusAddress The address that encodes the SMBUS Slave Address,
- SMBUS Command, SMBUS Data Length, and PEC.
- @param Status Return status for the executed command.
- This is an optional parameter and may be NULL.
- RETURN_SUCCESS: The SMBUS command was executed.
- RETURN_TIMEOUT: A timeout occurred while executing the
- SMBUS command.
- RETURN_DEVICE_ERROR: The request was not completed because
- a failure reflected in the Host Status Register bit.
- Device errors are a result of a transaction collision,
- illegal command field, unclaimed cycle (host initiated),
- or bus errors (collisions).
- RETURN_CRC_ERROR: The checksum is not correct. (PEC is incorrect.)
- RETURN_UNSUPPORTED: The SMBus operation is not supported.
-
- @return The byte read from the SMBUS.
-
-**/
-UINT8
-EFIAPI
-SmBusReadDataByte (
- IN UINTN SmBusAddress,
- OUT RETURN_STATUS *Status OPTIONAL
- )
-{
- UINT8 Byte;
-
- ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) == 0);
- ASSERT (SMBUS_LIB_RESERVED (SmBusAddress) == 0);
-
- InternalSmBusExec (EfiSmbusReadByte, SmBusAddress, 1, &Byte, Status);
-
- return Byte;
-}
-
-/**
- Executes an SMBUS write data byte command.
-
- Executes an SMBUS write data byte command on the SMBUS device specified by SmBusAddress.
- The 8-bit value specified by Value is written.
- Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required.
- Value is returned.
- If Status is not NULL, then the status of the executed command is returned in Status.
- If Length in SmBusAddress is not zero, then ASSERT().
- If any reserved bits of SmBusAddress are set, then ASSERT().
-
- @param SmBusAddress The address that encodes the SMBUS Slave Address,
- SMBUS Command, SMBUS Data Length, and PEC.
- @param Value The 8-bit value to write.
- @param Status Return status for the executed command.
- This is an optional parameter and may be NULL.
- RETURN_SUCCESS: The SMBUS command was executed.
- RETURN_TIMEOUT: A timeout occurred while executing the
- SMBUS command.
- RETURN_DEVICE_ERROR: The request was not completed because
- a failure reflected in the Host Status Register bit.
- Device errors are a result of a transaction collision,
- illegal command field, unclaimed cycle (host initiated),
- or bus errors (collisions).
- RETURN_CRC_ERROR: The checksum is not correct. (PEC is incorrect.)
- RETURN_UNSUPPORTED: The SMBus operation is not supported.
-
- @return The parameter of Value.
-
-**/
-UINT8
-EFIAPI
-SmBusWriteDataByte (
- IN UINTN SmBusAddress,
- IN UINT8 Value,
- OUT RETURN_STATUS *Status OPTIONAL
- )
-{
- UINT8 Byte;
-
- ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) == 0);
- ASSERT (SMBUS_LIB_RESERVED (SmBusAddress) == 0);
-
- Byte = Value;
- InternalSmBusExec (EfiSmbusWriteByte, SmBusAddress, 1, &Byte, Status);
-
- return Value;
-}
-
-/**
- Executes an SMBUS read data word command.
-
- Executes an SMBUS read data word command on the SMBUS device specified by SmBusAddress.
- Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required.
- The 16-bit value read from the SMBUS is returned.
- If Status is not NULL, then the status of the executed command is returned in Status.
- If Length in SmBusAddress is not zero, then ASSERT().
- If any reserved bits of SmBusAddress are set, then ASSERT().
-
- @param SmBusAddress The address that encodes the SMBUS Slave Address,
- SMBUS Command, SMBUS Data Length, and PEC.
- @param Status Return status for the executed command.
- This is an optional parameter and may be NULL.
- RETURN_SUCCESS: The SMBUS command was executed.
- RETURN_TIMEOUT: A timeout occurred while executing the
- SMBUS command.
- RETURN_DEVICE_ERROR: The request was not completed because
- a failure reflected in the Host Status Register bit.
- Device errors are a result of a transaction collision,
- illegal command field, unclaimed cycle (host initiated),
- or bus errors (collisions).
- RETURN_CRC_ERROR: The checksum is not correct. (PEC is incorrect.)
- RETURN_UNSUPPORTED: The SMBus operation is not supported.
-
- @return The byte read from the SMBUS.
-
-**/
-UINT16
-EFIAPI
-SmBusReadDataWord (
- IN UINTN SmBusAddress,
- OUT RETURN_STATUS *Status OPTIONAL
- )
-{
- UINT16 Word;
-
- ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) == 0);
- ASSERT (SMBUS_LIB_RESERVED (SmBusAddress) == 0);
-
- InternalSmBusExec (EfiSmbusReadWord, SmBusAddress, 2, &Word, Status);
-
- return Word;
-}
-
-/**
- Executes an SMBUS write data word command.
-
- Executes an SMBUS write data word command on the SMBUS device specified by SmBusAddress.
- The 16-bit value specified by Value is written.
- Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required.
- Value is returned.
- If Status is not NULL, then the status of the executed command is returned in Status.
- If Length in SmBusAddress is not zero, then ASSERT().
- If any reserved bits of SmBusAddress are set, then ASSERT().
-
- @param SmBusAddress The address that encodes the SMBUS Slave Address,
- SMBUS Command, SMBUS Data Length, and PEC.
- @param Value The 16-bit value to write.
- @param Status Return status for the executed command.
- This is an optional parameter and may be NULL.
- RETURN_SUCCESS: The SMBUS command was executed.
- RETURN_TIMEOUT: A timeout occurred while executing the
- SMBUS command.
- RETURN_DEVICE_ERROR: The request was not completed because
- a failure reflected in the Host Status Register bit.
- Device errors are a result of a transaction collision,
- illegal command field, unclaimed cycle (host initiated),
- or bus errors (collisions).
- RETURN_CRC_ERROR: The checksum is not correct. (PEC is incorrect.)
- RETURN_UNSUPPORTED: The SMBus operation is not supported.
-
- @return The parameter of Value.
-
-**/
-UINT16
-EFIAPI
-SmBusWriteDataWord (
- IN UINTN SmBusAddress,
- IN UINT16 Value,
- OUT RETURN_STATUS *Status OPTIONAL
- )
-{
- UINT16 Word;
-
- ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) == 0);
- ASSERT (SMBUS_LIB_RESERVED (SmBusAddress) == 0);
-
- Word = Value;
- InternalSmBusExec (EfiSmbusWriteWord, SmBusAddress, 2, &Word, Status);
-
- return Value;
-}
-
-/**
- Executes an SMBUS process call command.
-
- Executes an SMBUS process call command on the SMBUS device specified by SmBusAddress.
- The 16-bit value specified by Value is written.
- Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required.
- The 16-bit value returned by the process call command is returned.
- If Status is not NULL, then the status of the executed command is returned in Status.
- If Length in SmBusAddress is not zero, then ASSERT().
- If any reserved bits of SmBusAddress are set, then ASSERT().
-
- @param SmBusAddress The address that encodes the SMBUS Slave Address,
- SMBUS Command, SMBUS Data Length, and PEC.
- @param Value The 16-bit value to write.
- @param Status Return status for the executed command.
- This is an optional parameter and may be NULL.
- RETURN_SUCCESS: The SMBUS command was executed.
- RETURN_TIMEOUT: A timeout occurred while executing the
- SMBUS command.
- RETURN_DEVICE_ERROR: The request was not completed because
- a failure reflected in the Host Status Register bit.
- Device errors are a result of a transaction collision,
- illegal command field, unclaimed cycle (host initiated),
- or bus errors (collisions).
- RETURN_CRC_ERROR: The checksum is not correct. (PEC is incorrect.)
- RETURN_UNSUPPORTED: The SMBus operation is not supported.
-
- @return The 16-bit value returned by the process call command.
-
-**/
-UINT16
-EFIAPI
-SmBusProcessCall (
- IN UINTN SmBusAddress,
- IN UINT16 Value,
- OUT RETURN_STATUS *Status OPTIONAL
- )
-{
- ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) == 0);
- ASSERT (SMBUS_LIB_RESERVED (SmBusAddress) == 0);
-
- InternalSmBusExec (EfiSmbusProcessCall, SmBusAddress, 2, &Value, Status);
-
- return Value;
-}
-
-/**
- Executes an SMBUS read block command.
-
- Executes an SMBUS read block command on the SMBUS device specified by SmBusAddress.
- Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required.
- Bytes are read from the SMBUS and stored in Buffer.
- The number of bytes read is returned, and will never return a value larger than 32-bytes.
- If Status is not NULL, then the status of the executed command is returned in Status.
- It is the caller's responsibility to make sure Buffer is large enough for the total number of bytes read.
- SMBUS supports a maximum transfer size of 32 bytes, so Buffer does not need to be any larger than 32 bytes.
- If Length in SmBusAddress is not zero, then ASSERT().
- If Buffer is NULL, then ASSERT().
- If any reserved bits of SmBusAddress are set, then ASSERT().
-
- @param SmBusAddress The address that encodes the SMBUS Slave Address,
- SMBUS Command, SMBUS Data Length, and PEC.
- @param Buffer The pointer to the buffer to store the bytes read from the SMBUS.
- @param Status Return status for the executed command.
- This is an optional parameter and may be NULL.
- RETURN_SUCCESS: The SMBUS command was executed.
- RETURN_TIMEOUT: A timeout occurred while executing the
- SMBUS command.
- RETURN_DEVICE_ERROR: The request was not completed because
- a failure reflected in the Host Status Register bit.
- Device errors are a result of a transaction collision,
- illegal command field, unclaimed cycle (host initiated),
- or bus errors (collisions).
- RETURN_CRC_ERROR: The checksum is not correct. (PEC is incorrect.)
- RETURN_UNSUPPORTED: The SMBus operation is not supported.
-
- @return The number of bytes read.
-
-**/
-UINTN
-EFIAPI
-SmBusReadBlock (
- IN UINTN SmBusAddress,
- OUT VOID *Buffer,
- OUT RETURN_STATUS *Status OPTIONAL
- )
-{
- ASSERT (Buffer != NULL);
- ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) == 0);
- ASSERT (SMBUS_LIB_RESERVED (SmBusAddress) == 0);
-
- return InternalSmBusExec (EfiSmbusReadBlock, SmBusAddress, 0x20, Buffer, Status);
-}
-
-/**
- Executes an SMBUS write block command.
-
- Executes an SMBUS write block command on the SMBUS device specified by SmBusAddress.
- The SMBUS slave address, SMBUS command, and SMBUS length fields of SmBusAddress are required.
- Bytes are written to the SMBUS from Buffer.
- The number of bytes written is returned, and will never return a value larger than 32-bytes.
- If Status is not NULL, then the status of the executed command is returned in Status.
- If Length in SmBusAddress is zero or greater than 32, then ASSERT().
- If Buffer is NULL, then ASSERT().
- If any reserved bits of SmBusAddress are set, then ASSERT().
-
- @param SmBusAddress The address that encodes the SMBUS Slave Address,
- MBUS Command, SMBUS Data Length, and PEC.
- @param Buffer The pointer to the buffer to store the bytes read from the SMBUS.
- @param Status Return status for the executed command.
- This is an optional parameter and may be NULL.
- RETURN_TIMEOUT: A timeout occurred while executing the
- SMBUS command.
- RETURN_DEVICE_ERROR: The request was not completed because
- a failure reflected in the Host Status Register bit.
- Device errors are a result of a transaction collision,
- illegal command field, unclaimed cycle (host initiated),
- or bus errors (collisions).
- RETURN_CRC_ERROR: The checksum is not correct (PEC is incorrect)
- RETURN_UNSUPPORTED: The SMBus operation is not supported.
-
- @return The number of bytes written.
-
-**/
-UINTN
-EFIAPI
-SmBusWriteBlock (
- IN UINTN SmBusAddress,
- OUT VOID *Buffer,
- OUT RETURN_STATUS *Status OPTIONAL
- )
-{
- UINTN Length;
-
- ASSERT (Buffer != NULL);
- ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) >= 1);
- ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) <= 32);
- ASSERT (SMBUS_LIB_RESERVED (SmBusAddress) == 0);
-
- Length = SMBUS_LIB_LENGTH (SmBusAddress);
- return InternalSmBusExec (EfiSmbusWriteBlock, SmBusAddress, Length, Buffer, Status);
-}
-
-/**
- Executes an SMBUS block process call command.
-
- Executes an SMBUS block process call command on the SMBUS device specified by SmBusAddress.
- The SMBUS slave address, SMBUS command, and SMBUS length fields of SmBusAddress are required.
- Bytes are written to the SMBUS from WriteBuffer. Bytes are then read from the SMBUS into ReadBuffer.
- If Status is not NULL, then the status of the executed command is returned in Status.
- It is the caller's responsibility to make sure ReadBuffer is large enough for the total number of bytes read.
- SMBUS supports a maximum transfer size of 32 bytes, so Buffer does not need to be any larger than 32 bytes.
- If Length in SmBusAddress is zero or greater than 32, then ASSERT().
- If WriteBuffer is NULL, then ASSERT().
- If ReadBuffer is NULL, then ASSERT().
- If any reserved bits of SmBusAddress are set, then ASSERT().
-
- @param SmBusAddress The address that encodes the SMBUS Slave Address,
- SMBUS Command, SMBUS Data Length, and PEC.
- @param WriteBuffer The pointer to the buffer of bytes to write to the SMBUS.
- @param ReadBuffer The pointer to the buffer of bytes to read from the SMBUS.
- @param Status Return status for the executed command.
- This is an optional parameter and may be NULL.
- RETURN_TIMEOUT: A timeout occurred while executing the
- SMBUS command.
- RETURN_DEVICE_ERROR: The request was not completed because
- a failure reflected in the Host Status Register bit.
- Device errors are a result of a transaction collision,
- illegal command field, unclaimed cycle (host initiated),
- or bus errors (collisions).
- RETURN_CRC_ERROR The checksum is not correct. (PEC is incorrect.)
- RETURN_UNSUPPORTED: The SMBus operation is not supported.
-
- @return The number of bytes written.
-
-**/
-UINTN
-EFIAPI
-SmBusBlockProcessCall (
- IN UINTN SmBusAddress,
- IN VOID *WriteBuffer,
- OUT VOID *ReadBuffer,
- OUT RETURN_STATUS *Status OPTIONAL
- )
-{
- UINTN Length;
-
- ASSERT (WriteBuffer != NULL);
- ASSERT (ReadBuffer != NULL);
- ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) >= 1);
- ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) <= 32);
- ASSERT (SMBUS_LIB_RESERVED (SmBusAddress) == 0);
-
- Length = SMBUS_LIB_LENGTH (SmBusAddress);
- //
- // Assuming that ReadBuffer is large enough to save another memory copy.
- //
- ReadBuffer = CopyMem (ReadBuffer, WriteBuffer, Length);
- return InternalSmBusExec (EfiSmbusBWBRProcessCall, SmBusAddress, Length, ReadBuffer, Status);
-}