MdePkg: Add S3 library interfaces and base implementations
Signed-off-by: jljusten Reviewed-by: mdkinney Reviewed-by: rsun3 Reviewed-by: jyao1 git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12222 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jljusten
455
MdePkg/Include/Library/S3SmbusLib.h
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455
MdePkg/Include/Library/S3SmbusLib.h
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/** @file
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Smbus Library Services that conduct SMBus transactions and enable the operatation
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to be replayed during an S3 resume. This library class maps directly on top
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of the SmbusLib class.
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Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions
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of the BSD License which accompanies this distribution. The
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full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __S3_SMBUS_LIB_H__
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#define __S3_SMBUS_LIB_H__
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/**
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Executes an SMBUS quick read command, and saves the value in the S3 script to be replayed
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on S3 resume.
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Executes an SMBUS quick read command on the SMBUS device specified by SmBusAddress.
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Only the SMBUS slave address field of SmBusAddress is required.
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If Status is not NULL, then the status of the executed command is returned in Status.
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If PEC is set in SmBusAddress, then ASSERT().
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If Command in SmBusAddress is not zero, then ASSERT().
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If Length in SmBusAddress is not zero, then ASSERT().
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If any reserved bits of SmBusAddress are set, then ASSERT().
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@param[in] SmBusAddress The address that encodes the SMBUS Slave Address,
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SMBUS Command, SMBUS Data Length, and PEC.
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@param[out] Status The return status for the executed command.
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This is an optional parameter and may be NULL.
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RETURN_SUCCESS The SMBUS command was executed.
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RETURN_TIMEOUT A timeout occurred while executing the SMBUS command.
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RETURN_DEVICE_ERROR The request was not completed because a failure
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was recorded in the Host Status Register bit. Device errors are a result
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of a transaction collision, illegal command field, unclaimed cycle
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(host initiated), or bus error (collision).
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RETURN_UNSUPPORTED The SMBus operation is not supported.
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**/
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VOID
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EFIAPI
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S3SmBusQuickRead (
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IN UINTN SmBusAddress,
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OUT RETURN_STATUS *Status OPTIONAL
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);
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/**
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Executes an SMBUS quick write command, and saves the value in the S3 script to be replayed
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on S3 resume.
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Executes an SMBUS quick write command on the SMBUS device specified by SmBusAddress.
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Only the SMBUS slave address field of SmBusAddress is required.
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If Status is not NULL, then the status of the executed command is returned in Status.
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If PEC is set in SmBusAddress, then ASSERT().
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If Command in SmBusAddress is not zero, then ASSERT().
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If Length in SmBusAddress is not zero, then ASSERT().
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If any reserved bits of SmBusAddress are set, then ASSERT().
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@param[in] SmBusAddress The address that encodes the SMBUS Slave Address,
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SMBUS Command, SMBUS Data Length, and PEC.
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@param[out] Status The return status for the executed command.
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This is an optional parameter and may be NULL.
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RETURN_SUCCESS The SMBUS command was executed.
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RETURN_TIMEOUT A timeout occurred while executing the SMBUS command.
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RETURN_DEVICE_ERROR The request was not completed because a failure
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was recorded in the Host Status Register bit. Device errors are a result
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of a transaction collision, illegal command field, unclaimed cycle
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(host initiated), or bus error (collision).
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RETURN_UNSUPPORTED The SMBus operation is not supported.
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**/
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VOID
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EFIAPI
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S3SmBusQuickWrite (
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IN UINTN SmBusAddress,
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OUT RETURN_STATUS *Status OPTIONAL
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);
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/**
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Executes an SMBUS receive byte command, and saves the value in the S3 script to be replayed
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on S3 resume.
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Executes an SMBUS receive byte command on the SMBUS device specified by SmBusAddress.
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Only the SMBUS slave address field of SmBusAddress is required.
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The byte received from the SMBUS is returned.
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If Status is not NULL, then the status of the executed command is returned in Status.
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If Command in SmBusAddress is not zero, then ASSERT().
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If Length in SmBusAddress is not zero, then ASSERT().
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If any reserved bits of SmBusAddress are set, then ASSERT().
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@param[in] SmBusAddress The address that encodes the SMBUS Slave Address,
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SMBUS Command, SMBUS Data Length, and PEC.
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@param[out] Status The return status for the executed command.
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This is an optional parameter and may be NULL.
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RETURN_SUCCESS The SMBUS command was executed.
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RETURN_TIMEOUT A timeout occurred while executing the SMBUS command.
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RETURN_DEVICE_ERROR The request was not completed because a failure
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was recorded in the Host Status Register bit. Device errors are a result
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of a transaction collision, illegal command field, unclaimed cycle
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(host initiated), or bus error (collision).
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RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect).
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RETURN_UNSUPPORTED The SMBus operation is not supported.
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@return The byte received from the SMBUS.
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**/
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UINT8
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EFIAPI
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S3SmBusReceiveByte (
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IN UINTN SmBusAddress,
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OUT RETURN_STATUS *Status OPTIONAL
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);
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/**
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Executes an SMBUS send byte command, and saves the value in the S3 script to be replayed
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on S3 resume.
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Executes an SMBUS send byte command on the SMBUS device specified by SmBusAddress.
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The byte specified by Value is sent.
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Only the SMBUS slave address field of SmBusAddress is required. Value is returned.
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If Status is not NULL, then the status of the executed command is returned in Status.
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If Command in SmBusAddress is not zero, then ASSERT().
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If Length in SmBusAddress is not zero, then ASSERT().
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If any reserved bits of SmBusAddress are set, then ASSERT().
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@param[in] SmBusAddress The address that encodes the SMBUS Slave Address,
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SMBUS Command, SMBUS Data Length, and PEC.
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@param[in] Value The 8-bit value to send.
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@param[out] Status The return status for the executed command.
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This is an optional parameter and may be NULL.
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RETURN_SUCCESS The SMBUS command was executed.
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RETURN_TIMEOUT A timeout occurred while executing the SMBUS command.
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RETURN_DEVICE_ERROR The request was not completed because a failure
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was recorded in the Host Status Register bit. Device errors are a result
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of a transaction collision, illegal command field, unclaimed cycle
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(host initiated), or bus errors (collisions).
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RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect).
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RETURN_UNSUPPORTED The SMBus operation is not supported.
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@return The parameter of Value.
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**/
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UINT8
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EFIAPI
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S3SmBusSendByte (
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IN UINTN SmBusAddress,
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IN UINT8 Value,
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OUT RETURN_STATUS *Status OPTIONAL
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);
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/**
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Executes an SMBUS read data byte command, and saves the value in the S3 script to be replayed
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on S3 resume.
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Executes an SMBUS read data byte command on the SMBUS device specified by SmBusAddress.
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Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required.
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The 8-bit value read from the SMBUS is returned.
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If Status is not NULL, then the status of the executed command is returned in Status.
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If Length in SmBusAddress is not zero, then ASSERT().
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If any reserved bits of SmBusAddress are set, then ASSERT().
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@param[in] SmBusAddress The address that encodes the SMBUS Slave Address,
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SMBUS Command, SMBUS Data Length, and PEC.
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@param[out] Status The return status for the executed command.
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This is an optional parameter and may be NULL.
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RETURN_SUCCESS The SMBUS command was executed.
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RETURN_TIMEOUT A timeout occurred while executing the SMBUS command.
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RETURN_DEVICE_ERROR The request was not completed because a failure
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was recorded in the Host Status Register bit. Device errors are a result
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of a transaction collision, illegal command field, unclaimed cycle
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(host initiated), or bus error (collision).
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RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect).
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RETURN_UNSUPPORTED The SMBus operation is not supported.
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@return The byte read from the SMBUS.
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**/
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UINT8
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EFIAPI
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S3SmBusReadDataByte (
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IN UINTN SmBusAddress,
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OUT RETURN_STATUS *Status OPTIONAL
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);
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/**
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Executes an SMBUS write data byte command, and saves the value in the S3 script to be replayed
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on S3 resume.
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Executes an SMBUS write data byte command on the SMBUS device specified by SmBusAddress.
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The 8-bit value specified by Value is written.
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Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required.
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Value is returned.
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If Status is not NULL, then the status of the executed command is returned in Status.
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If Length in SmBusAddress is not zero, then ASSERT().
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If any reserved bits of SmBusAddress are set, then ASSERT().
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@param[in] SmBusAddress The address that encodes the SMBUS Slave Address,
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SMBUS Command, SMBUS Data Length, and PEC.
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@param[in] Value The 8-bit value to write.
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@param[out] Status The return status for the executed command.
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This is an optional parameter and may be NULL.
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RETURN_SUCCESS The SMBUS command was executed.
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RETURN_TIMEOUT A timeout occurred while executing the SMBUS command.
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RETURN_DEVICE_ERROR The request was not completed because a failure
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was recorded in the Host Status Register bit. Device errors are a result
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of a transaction collision, illegal command field, unclaimed cycle
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(host initiated), or bus error (collision).
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RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect).
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RETURN_UNSUPPORTED The SMBus operation is not supported.
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@return The parameter of Value.
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**/
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UINT8
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EFIAPI
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S3SmBusWriteDataByte (
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IN UINTN SmBusAddress,
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IN UINT8 Value,
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OUT RETURN_STATUS *Status OPTIONAL
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);
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/**
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Executes an SMBUS read data word command, and saves the value in the S3 script to be replayed
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on S3 resume.
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Executes an SMBUS read data word command on the SMBUS device specified by SmBusAddress.
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Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required.
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The 16-bit value read from the SMBUS is returned.
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If Status is not NULL, then the status of the executed command is returned in Status.
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If Length in SmBusAddress is not zero, then ASSERT().
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If any reserved bits of SmBusAddress are set, then ASSERT().
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@param[in] SmBusAddress The address that encodes the SMBUS Slave Address,
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SMBUS Command, SMBUS Data Length, and PEC.
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@param[out] Status The return status for the executed command.
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This is an optional parameter and may be NULL.
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RETURN_SUCCESS The SMBUS command was executed.
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RETURN_TIMEOUT A timeout occurred while executing the SMBUS command.
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RETURN_DEVICE_ERROR The request was not completed because a failure
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was recorded in the Host Status Register bit. Device errors are a result
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of a transaction collision, illegal command field, unclaimed cycle
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(host initiated), or bus error (collision).
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RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect).
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RETURN_UNSUPPORTED The SMBus operation is not supported.
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@return The byte read from the SMBUS.
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**/
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UINT16
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EFIAPI
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S3SmBusReadDataWord (
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IN UINTN SmBusAddress,
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OUT RETURN_STATUS *Status OPTIONAL
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);
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/**
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Executes an SMBUS write data word command, and saves the value in the S3 script to be replayed
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on S3 resume.
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Executes an SMBUS write data word command on the SMBUS device specified by SmBusAddress.
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The 16-bit value specified by Value is written.
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Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required.
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Value is returned.
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If Status is not NULL, then the status of the executed command is returned in Status.
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If Length in SmBusAddress is not zero, then ASSERT().
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If any reserved bits of SmBusAddress are set, then ASSERT().
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@param[in] SmBusAddress The address that encodes the SMBUS Slave Address,
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SMBUS Command, SMBUS Data Length, and PEC.
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@param[in] Value The 16-bit value to write.
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@param[out] Status The return status for the executed command.
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This is an optional parameter and may be NULL.
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RETURN_SUCCESS The SMBUS command was executed.
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RETURN_TIMEOUT A timeout occurred while executing the SMBUS command.
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RETURN_DEVICE_ERROR The request was not completed because a failure
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was recorded in the Host Status Register bit. Device errors are a result
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of a transaction collision, illegal command field, unclaimed cycle
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(host initiated), or bus error (collision).
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RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect).
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RETURN_UNSUPPORTED The SMBus operation is not supported.
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@return The parameter of Value.
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**/
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UINT16
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EFIAPI
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S3SmBusWriteDataWord (
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IN UINTN SmBusAddress,
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IN UINT16 Value,
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OUT RETURN_STATUS *Status OPTIONAL
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);
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/**
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Executes an SMBUS process call command, and saves the value in the S3 script to be replayed
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on S3 resume.
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Executes an SMBUS process call command on the SMBUS device specified by SmBusAddress.
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The 16-bit value specified by Value is written.
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Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required.
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The 16-bit value returned by the process call command is returned.
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If Status is not NULL, then the status of the executed command is returned in Status.
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If Length in SmBusAddress is not zero, then ASSERT().
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If any reserved bits of SmBusAddress are set, then ASSERT().
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@param[in] SmBusAddress The address that encodes the SMBUS Slave Address,
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SMBUS Command, SMBUS Data Length, and PEC.
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@param[in] Value The 16-bit value to write.
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@param[out] Status The return status for the executed command.
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This is an optional parameter and may be NULL.
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RETURN_SUCCESS The SMBUS command was executed.
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RETURN_TIMEOUT A timeout occurred while executing the SMBUS command.
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RETURN_DEVICE_ERROR The request was not completed because a failure
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was recorded in the Host Status Register bit. Device errors are a result
|
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of a transaction collision, illegal command field, unclaimed cycle
|
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(host initiated), or bus error (collision).
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RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect).
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RETURN_UNSUPPORTED The SMBus operation is not supported.
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@return The 16-bit value returned by the process call command.
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**/
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UINT16
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EFIAPI
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S3SmBusProcessCall (
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IN UINTN SmBusAddress,
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IN UINT16 Value,
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OUT RETURN_STATUS *Status OPTIONAL
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);
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/**
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Executes an SMBUS read block command, and saves the value in the S3 script to be replayed
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on S3 resume.
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Executes an SMBUS read block command on the SMBUS device specified by SmBusAddress.
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Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required.
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Bytes are read from the SMBUS and stored in Buffer.
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The number of bytes read is returned, and will never return a value larger than 32-bytes.
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If Status is not NULL, then the status of the executed command is returned in Status.
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It is the caller's responsibility to make sure Buffer is large enough for the total number of bytes read.
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||||
SMBUS supports a maximum transfer size of 32 bytes, so Buffer does not need to be any larger than 32 bytes.
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If Length in SmBusAddress is not zero, then ASSERT().
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If Buffer is NULL, then ASSERT().
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If any reserved bits of SmBusAddress are set, then ASSERT().
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@param[in] SmBusAddress The address that encodes the SMBUS Slave Address,
|
||||
SMBUS Command, SMBUS Data Length, and PEC.
|
||||
@param[out] Buffer The pointer to the buffer to store the bytes read from the SMBUS.
|
||||
@param[out] Status The return status for the executed command.
|
||||
This is an optional parameter and may be NULL.
|
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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
|
||||
was recorded in the Host Status Register bit. Device errors are a result
|
||||
of a transaction collision, illegal command field, unclaimed cycle
|
||||
(host initiated), or bus error (collision).
|
||||
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.
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||||
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**/
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UINTN
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EFIAPI
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S3SmBusReadBlock (
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IN UINTN SmBusAddress,
|
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OUT VOID *Buffer,
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||||
OUT RETURN_STATUS *Status OPTIONAL
|
||||
);
|
||||
|
||||
/**
|
||||
Executes an SMBUS write block command, and saves the value in the S3 script to be replayed
|
||||
on S3 resume.
|
||||
|
||||
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[in] SmBusAddress The address that encodes the SMBUS Slave Address,
|
||||
SMBUS Command, SMBUS Data Length, and PEC.
|
||||
@param[out] Buffer The pointer to the buffer to store the bytes read from the SMBUS.
|
||||
@param[out] Status The 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
|
||||
was recorded in the Host Status Register bit. Device errors are a result
|
||||
of a transaction collision, illegal command field, unclaimed cycle
|
||||
(host initiated), or bus error (collision).
|
||||
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
|
||||
S3SmBusWriteBlock (
|
||||
IN UINTN SmBusAddress,
|
||||
OUT VOID *Buffer,
|
||||
OUT RETURN_STATUS *Status OPTIONAL
|
||||
);
|
||||
|
||||
/**
|
||||
Executes an SMBUS block process call command, and saves the value in the S3 script to be replayed
|
||||
on S3 resume.
|
||||
|
||||
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[in] SmBusAddress The address that encodes the SMBUS Slave Address,
|
||||
SMBUS Command, SMBUS Data Length, and PEC.
|
||||
@param[in] WriteBuffer The pointer to the buffer of bytes to write to the SMBUS.
|
||||
@param[out] ReadBuffer The pointer to the buffer of bytes to read from the SMBUS.
|
||||
@param[out] Status The 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
|
||||
was recorded in the Host Status Register bit. Device errors are a result
|
||||
of a transaction collision, illegal command field, unclaimed cycle
|
||||
(host initiated), or bus error (collision).
|
||||
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
|
||||
S3SmBusBlockProcessCall (
|
||||
IN UINTN SmBusAddress,
|
||||
IN VOID *WriteBuffer,
|
||||
OUT VOID *ReadBuffer,
|
||||
OUT RETURN_STATUS *Status OPTIONAL
|
||||
);
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user