diff options
Diffstat (limited to 'MdePkg/Library/PeiSmbusLib')
| -rw-r--r-- | MdePkg/Library/PeiSmbusLib/InternalSmbusLib.h | 112 | ||||
| -rw-r--r-- | MdePkg/Library/PeiSmbusLib/PeiSmbusLib.c | 177 | ||||
| -rw-r--r-- | MdePkg/Library/PeiSmbusLib/PeiSmbusLib.mbd | 30 | ||||
| -rw-r--r-- | MdePkg/Library/PeiSmbusLib/PeiSmbusLib.msa | 51 | ||||
| -rw-r--r-- | MdePkg/Library/PeiSmbusLib/SmbusLib.c | 597 | ||||
| -rw-r--r-- | MdePkg/Library/PeiSmbusLib/build.xml | 47 |
6 files changed, 1014 insertions, 0 deletions
diff --git a/MdePkg/Library/PeiSmbusLib/InternalSmbusLib.h b/MdePkg/Library/PeiSmbusLib/InternalSmbusLib.h new file mode 100644 index 0000000000..3c0b597fc5 --- /dev/null +++ b/MdePkg/Library/PeiSmbusLib/InternalSmbusLib.h @@ -0,0 +1,112 @@ +/** @file
+Internal header file for Smbus library.
+
+Copyright (c) 2006, Intel Corporation<BR>
+All rights reserved. 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.
+
+
+Module Name: SmbusLib.c
+
+**/
+
+#ifndef __INTERNAL_SMBUS_LIB_H
+#define __INTERNAL_SMBUS_LIB_H
+
+#define SMBUS_LIB_PEC(SmBusAddress) ((BOOLEAN) ((SmBusAddress) & 0x01))
+#define SMBUS_LIB_SLAVE_ADDRESS(SmBusAddress) (((SmBusAddress) >> 1) & 0x7f)
+#define SMBUS_LIB_COMMAND(SmBusAddress) (((SmBusAddress) >> 8) & 0xff)
+#define SMBUS_LIB_LENGTH(SmBusAddress) (((SmBusAddress) >> 16) & 0x1f)
+#define SMBUS_LIB_RESEARVED(SmBusAddress) (((SmBusAddress) >> 21))
+
+//
+// Declaration for internal functions
+//
+/**
+ 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 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 VOID *Buffer,
+ OUT RETURN_STATUS *Status OPTIONAL
+ );
+
+/**
+ Assigns an SMBUS slave addresses.
+
+ Assigns the SMBUS device specified by Uuid the slave address specified by SmBusAddress.
+ The status of the executed command is returned.
+ If Command in SmBusAddress is not zero, then ASSERT().
+ If Length in SmBusAddress is not zero, then ASSERT().
+ If PEC in SmBusAddress is set, then ASSERT().
+ If any reserved bits of SmBusAddress are set, then ASSERT().
+
+ @param SmBusAddress Address that encodes the SMBUS Slave Address,
+ SMBUS Command, SMBUS Data Length, and PEC.
+ @param Uuid Pointer to the UUID of the device to assign a slave address.
+ It will assign to all SMBUS slave devices if it is NULL.
+
+ @retval RETURN_SUCCESS The SMBUS command was executed.
+ @retval RETURN_TIMEOUT A timeout occurred while executing the SMBUS command.
+ @retval 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_STATUS
+InternalSmBusArpDevice (
+ IN UINTN SmBusAddress,
+ IN CONST GUID *Uuid OPTIONAL
+ );
+
+/**
+ Retrieves the mapping of all the SMBus devices.
+
+ The GetArpMap() function returns the mapping of all the SMBus devices
+ that are enumerated by the SMBus host driver.
+
+ @param Length Size of the buffer that contains the SMBus device map.
+ @param SmbusDeviceMap The pointer to the device map as enumerated by the SMBus controller driver.
+
+ @retval RETURN_SUCCESS The SMBUS command was executed.
+ @retval RETURN_TIMEOUT A timeout occurred while executing the SMBUS command.
+ @retval 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_STATUS
+InternalGetArpMap (
+ OUT UINTN *Length,
+ OUT EFI_SMBUS_DEVICE_MAP **SmbusDeviceMap
+ );
+
+#endif
diff --git a/MdePkg/Library/PeiSmbusLib/PeiSmbusLib.c b/MdePkg/Library/PeiSmbusLib/PeiSmbusLib.c new file mode 100644 index 0000000000..3ada624f68 --- /dev/null +++ b/MdePkg/Library/PeiSmbusLib/PeiSmbusLib.c @@ -0,0 +1,177 @@ +/** @file
+Implementation of SmBusLib class library for PEI phase.
+
+Copyright (c) 2006, Intel Corporation<BR>
+All rights reserved. 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.
+
+
+Module Name: PeiSmbusLib.c
+
+**/
+
+#include "InternalSmbusLib.h"
+
+/**
+ Gets Smbus PPIs.
+
+ This internal function retrieves Smbus PPI from PPI database.
+
+ @param PeiServices An indirect pointer to the EFI_PEI_SERVICES published by the PEI Foundation.
+
+ @return The pointer to Smbus PPI.
+
+**/
+EFI_PEI_SMBUS_PPI *
+InternalGetSmbusPpi (
+ EFI_PEI_SERVICES **PeiServices
+ )
+{
+ EFI_STATUS Status;
+ EFI_PEI_SMBUS_PPI *SmbusPpi;
+
+ Status = (*PeiServices)->LocatePpi (PeiServices, &gEfiPeiSmbusPpiGuid, 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 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 VOID *Buffer,
+ OUT RETURN_STATUS *Status OPTIONAL
+ )
+{
+ EFI_PEI_SMBUS_PPI *SmbusPpi;
+ EFI_PEI_SERVICES **PeiServices;
+ RETURN_STATUS ReturnStatus;
+ EFI_SMBUS_DEVICE_ADDRESS SmbusDeviceAddress;
+
+ PeiServices = GetPeiServicesTablePointer ();
+ SmbusPpi = InternalGetSmbusPpi (PeiServices);
+ SmbusDeviceAddress.SmbusDeviceAddress = SMBUS_LIB_SLAVE_ADDRESS (SmBusAddress);
+
+ ReturnStatus = SmbusPpi->Execute (
+ PeiServices,
+ SmbusPpi,
+ SmbusDeviceAddress,
+ SMBUS_LIB_COMMAND (SmBusAddress),
+ SmbusOperation,
+ SMBUS_LIB_PEC (SmBusAddress),
+ &Length,
+ Buffer
+ );
+ if (Status != NULL) {
+ *Status = ReturnStatus;
+ }
+
+ return Length;
+}
+
+/**
+ Assigns an SMBUS slave addresses.
+
+ Assigns the SMBUS device specified by Uuid the slave address specified by SmBusAddress.
+ The status of the executed command is returned.
+ If Command in SmBusAddress is not zero, then ASSERT().
+ If Length in SmBusAddress is not zero, then ASSERT().
+ If PEC in SmBusAddress is set, then ASSERT().
+ If any reserved bits of SmBusAddress are set, then ASSERT().
+
+ @param SmBusAddress Address that encodes the SMBUS Slave Address,
+ SMBUS Command, SMBUS Data Length, and PEC.
+ @param Uuid Pointer to the UUID of the device to assign a slave address.
+ It will assign to all SMBUS slave devices if it is NULL.
+
+ @retval RETURN_SUCCESS The SMBUS command was executed.
+ @retval RETURN_TIMEOUT A timeout occurred while executing the SMBUS command.
+ @retval 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_STATUS
+InternalSmBusArpDevice (
+ IN UINTN SmBusAddress,
+ IN CONST GUID *Uuid OPTIONAL
+ )
+{
+ EFI_PEI_SMBUS_PPI *SmbusPpi;
+ EFI_PEI_SERVICES **PeiServices;
+ EFI_SMBUS_DEVICE_ADDRESS SmbusDeviceAddress;
+
+ PeiServices = GetPeiServicesTablePointer ();
+ SmbusPpi = InternalGetSmbusPpi (PeiServices);
+
+ SmbusDeviceAddress.SmbusDeviceAddress = SMBUS_LIB_SLAVE_ADDRESS (SmBusAddress);
+ return (RETURN_STATUS) SmbusPpi->ArpDevice (
+ PeiServices,
+ SmbusPpi,
+ (BOOLEAN) (Uuid == NULL),
+ (EFI_SMBUS_UDID *) Uuid,
+ &SmbusDeviceAddress
+ );
+}
+
+/**
+ Retrieves the mapping of all the SMBus devices.
+
+ The GetArpMap() function returns the mapping of all the SMBus devices
+ that are enumerated by the SMBus host driver.
+
+ @param Length Size of the buffer that contains the SMBus device map.
+ @param SmbusDeviceMap The pointer to the device map as enumerated by the SMBus controller driver.
+
+ @retval RETURN_SUCCESS The SMBUS command was executed.
+ @retval RETURN_TIMEOUT A timeout occurred while executing the SMBUS command.
+ @retval 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_STATUS
+InternalGetArpMap (
+ OUT UINTN *Length,
+ OUT EFI_SMBUS_DEVICE_MAP **SmbusDeviceMap
+ )
+{
+ EFI_PEI_SMBUS_PPI *SmbusPpi;
+ EFI_PEI_SERVICES **PeiServices;
+
+ PeiServices = GetPeiServicesTablePointer ();
+ SmbusPpi = InternalGetSmbusPpi (PeiServices);
+
+ return (RETURN_STATUS) SmbusPpi->GetArpMap (PeiServices, SmbusPpi, Length, SmbusDeviceMap);
+}
diff --git a/MdePkg/Library/PeiSmbusLib/PeiSmbusLib.mbd b/MdePkg/Library/PeiSmbusLib/PeiSmbusLib.mbd new file mode 100644 index 0000000000..5b5bfdf8d7 --- /dev/null +++ b/MdePkg/Library/PeiSmbusLib/PeiSmbusLib.mbd @@ -0,0 +1,30 @@ +<?xml version="1.0" encoding="UTF-8"?>
+<!--
+Copyright (c) 2006, Intel Corporation
+All rights reserved. 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.
+-->
+<LibraryModuleBuildDescription xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.TianoCore.org/2006/Edk2.0 http://www.TianoCore.org/2006/Edk2.0/SurfaceArea.xsd">
+ <MbdLibHeader>
+ <BaseName>PeiSmbusLib</BaseName>
+ <Guid>56E800D9-7603-4e01-9581-1FFB9E98F5BE</Guid>
+ <Version>0</Version>
+ <Description>FIX ME!</Description>
+ <Copyright>Copyright (c) 2006, Intel Corporation</Copyright>
+ <License>
+ All rights reserved. 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.
+ </License>
+ <Created>2006-04-17 22:30</Created>
+ <Modified>2006-04-17 22:30</Modified>
+ </MbdLibHeader>
+</LibraryModuleBuildDescription>
diff --git a/MdePkg/Library/PeiSmbusLib/PeiSmbusLib.msa b/MdePkg/Library/PeiSmbusLib/PeiSmbusLib.msa new file mode 100644 index 0000000000..f96ba746c7 --- /dev/null +++ b/MdePkg/Library/PeiSmbusLib/PeiSmbusLib.msa @@ -0,0 +1,51 @@ +<?xml version="1.0" encoding="UTF-8"?>
+<!--
+Copyright (c) 2006, Intel Corporation
+All rights reserved. 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.
+-->
+<LibraryModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.TianoCore.org/2006/Edk2.0 http://www.TianoCore.org/2006/Edk2.0/SurfaceArea.xsd">
+ <MsaLibHeader>
+ <BaseName>PeiSmbusLib</BaseName>
+ <ModuleType>PEIM</ModuleType>
+ <ComponentType>LIBRARY</ComponentType>
+ <Guid>51C4C059-67F0-4e3c-9A55-FF42A8291C8C</Guid>
+ <Version>0</Version>
+ <Abstract>SmBus Library Instance implemented with SmBus PPI.</Abstract>
+ <Description>FIX ME!</Description>
+ <Copyright>Copyright (c) 2006, Intel Corporation</Copyright>
+ <License>
+ All rights reserved. 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.
+ </License>
+ <Specification>EFI_SPECIFICATION_VERSION 0x00000000</Specification>
+ <Created>2006-04-17 22:30</Created>
+ <Updated>2006-04-17 22:30</Updated>
+ </MsaLibHeader>
+ <LibraryClassDefinitions>
+ <LibraryClass Usage="ALWAYS_PRODUCED">SmbusLib</LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">PeimEntryPoint</LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">DebugLib</LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">PeiServicesTablePointerLib</LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">BaseMemoryLib</LibraryClass>
+ </LibraryClassDefinitions>
+ <SourceFiles>
+ <Filename>PeiSmbusLib.c</Filename>
+ <Filename>SmbusLib.c</Filename>
+ </SourceFiles>
+ <Includes>
+ <PackageName>MdePkg</PackageName>
+ </Includes>
+ <PPIs>
+ <Ppi Usage="ALWAYS_CONSUMED">Smbus</Ppi>
+ </PPIs>
+</LibraryModuleSurfaceArea>
diff --git a/MdePkg/Library/PeiSmbusLib/SmbusLib.c b/MdePkg/Library/PeiSmbusLib/SmbusLib.c new file mode 100644 index 0000000000..da29fab5a3 --- /dev/null +++ b/MdePkg/Library/PeiSmbusLib/SmbusLib.c @@ -0,0 +1,597 @@ +/** @file
+Implementation of SmBusLib class library for PEI phase.
+
+Copyright (c) 2006, Intel Corporation<BR>
+All rights reserved. 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.
+
+
+Module Name: SmbusLib.c
+
+**/
+
+#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 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.
+
+**/
+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_RESEARVED (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 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.
+
+**/
+BOOLEAN
+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_RESEARVED (SmBusAddress) == 0);
+
+ InternalSmBusExec (EfiSmbusQuickWrite, SmBusAddress, 0, NULL, Status);
+ //
+ // Bugbug: Undefined return value in spec
+ //
+ return TRUE;
+}
+
+/**
+ 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 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 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_RESEARVED (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 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 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_RESEARVED (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 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 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_RESEARVED (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 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 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_RESEARVED (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 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 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_RESEARVED (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 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 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_RESEARVED (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 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 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_RESEARVED (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 Address that encodes the SMBUS Slave Address,
+ SMBUS Command, SMBUS Data Length, and PEC.
+ @param Buffer 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 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_RESEARVED (SmBusAddress) == 0);
+
+ return InternalSmBusExec (EfiSmbusReadBlock, SmBusAddress, 0x1f, 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 Address that encodes the SMBUS Slave Address,
+ SMBUS Command, SMBUS Data Length, and PEC.
+ @param Buffer 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 The number of bytes written.
+
+**/
+UINTN
+EFIAPI
+SmBusWriteBlock (
+ IN UINTN SmBusAddress,
+ OUT VOID *Buffer,
+ OUT RETURN_STATUS *Status OPTIONAL
+ )
+{
+ ASSERT (Buffer != NULL);
+ ASSERT (SMBUS_LIB_RESEARVED (SmBusAddress) == 0);
+
+ return InternalSmBusExec (EfiSmbusWriteBlock, SmBusAddress, SMBUS_LIB_LENGTH (SmBusAddress), 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 OutBuffer. Bytes are then read from the SMBUS into InBuffer.
+ 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 InBuffer 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 OutBuffer is NULL, then ASSERT().
+ If InBuffer is NULL, then ASSERT().
+ If any reserved bits of SmBusAddress are set, then ASSERT().
+
+
+ @param SmBusAddress Address that encodes the SMBUS Slave Address,
+ SMBUS Command, SMBUS Data Length, and PEC.
+ @param OutBuffer Pointer to the buffer of bytes to write to the SMBUS.
+ @param InBuffer 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 The number of bytes written.
+
+**/
+UINTN
+EFIAPI
+SmBusBlockProcessCall (
+ IN UINTN SmBusAddress,
+ OUT VOID *OutBuffer,
+ OUT VOID *InBuffer,
+ OUT RETURN_STATUS *Status OPTIONAL
+ )
+{
+ ASSERT (InBuffer != NULL);
+ ASSERT (OutBuffer != NULL);
+ ASSERT (SMBUS_LIB_RESEARVED (SmBusAddress) == 0);
+
+ //
+ // BugBug: Not sure whether it's all right.
+ //
+ InternalSmBusExec (EfiSmbusWriteBlock, SmBusAddress, SMBUS_LIB_LENGTH (SmBusAddress), OutBuffer, Status);
+
+ return InternalSmBusExec (EfiSmbusReadBlock, SmBusAddress, 1, InBuffer, Status);
+}
+
+/**
+ Enumerates the SMBUS and assigns slave addresses.
+
+ Executes the SMBUS enumeration algorithm and assigns a valid address to all SMBUS slave devices.
+ The total number of SMBUS slave devices detected is returned.
+ The status of the executed command is returned.
+ If Slave Address in SmBusAddress is not zero, then ASSERT().
+ If Command in SmBusAddress is not zero, then ASSERT().
+ If Length in SmBusAddress is not zero, then ASSERT().
+ If PEC in SmBusAddress is set, then ASSERT().
+ If any reserved bits of SmBusAddress are set, then ASSERT().
+
+ @param SmBusAddress Address that encodes the SMBUS Slave Address,
+ SMBUS Command, SMBUS Data Length, and PEC.
+
+ @retval RETURN_SUCCESS The SMBUS command was executed.
+ @retval RETURN_TIMEOUT A timeout occurred while executing the SMBUS command.
+ @retval 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_STATUS
+EFIAPI
+SmBusArpAll (
+ IN UINTN SmBusAddress
+ )
+{
+ ASSERT (!SMBUS_LIB_PEC (SmBusAddress));
+ ASSERT (SMBUS_LIB_COMMAND (SmBusAddress) == 0);
+ ASSERT (SMBUS_LIB_RESEARVED (SmBusAddress) == 0);
+ ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) == 0);
+ ASSERT (SMBUS_LIB_SLAVE_ADDRESS (SmBusAddress) == 0);
+
+ return InternalSmBusArpDevice (SmBusAddress, NULL);
+}
+
+/**
+ Assigns an SMBUS slave addresses.
+
+ Assigns the SMBUS device specified by Uuid the slave address specified by SmBusAddress.
+ The status of the executed command is returned.
+ If Command in SmBusAddress is not zero, then ASSERT().
+ If Length in SmBusAddress is not zero, then ASSERT().
+ If PEC in SmBusAddress is set, then ASSERT().
+ If any reserved bits of SmBusAddress are set, then ASSERT().
+
+ @param SmBusAddress Address that encodes the SMBUS Slave Address,
+ SMBUS Command, SMBUS Data Length, and PEC.
+ @param Uuid Pointer to the UUID of the device to assign a slave address.
+
+ @retval RETURN_SUCCESS The SMBUS command was executed.
+ @retval RETURN_TIMEOUT A timeout occurred while executing the SMBUS command.
+ @retval 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_STATUS
+EFIAPI
+SmBusArpDevice (
+ IN UINTN SmBusAddress,
+ IN CONST GUID *Uuid
+ )
+{
+ ASSERT (!SMBUS_LIB_PEC (SmBusAddress));
+ ASSERT (SMBUS_LIB_COMMAND (SmBusAddress) == 0);
+ ASSERT (SMBUS_LIB_RESEARVED (SmBusAddress) == 0);
+ ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) == 0);
+
+ return InternalSmBusArpDevice (SmBusAddress, Uuid);
+}
+
+/**
+ Retrieves the UUID associated with an SMBUS slave device.
+
+ Retrieves the UUID associated with the slave address specified
+ by SmBusAddress and returns the UUID in Uuid.
+ The status of the executed command is returned.
+ If Command in SmBusAddress is not zero, then ASSERT().
+ If Length in SmBusAddress is not zero, then ASSERT().
+ If PEC in SmBusAddress is set, then ASSERT().
+ If Uuid is NULL, then ASSERT().
+ If any reserved bits of SmBusAddress are set, then ASSERT().
+
+ @param SmBusAddress Address that encodes the SMBUS Slave Address,
+ SMBUS Command, SMBUS Data Length, and PEC.
+ @param Uuid Pointer to the UUID retrieved from the SMBUS slave device.
+
+ @retval RETURN_SUCCESS The SMBUS command was executed.
+ @retval RETURN_TIMEOUT A timeout occurred while executing the SMBUS command.
+ @retval 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_STATUS
+EFIAPI
+SmBusGetUuid (
+ IN UINTN SmBusAddress,
+ OUT GUID *Uuid
+ )
+{
+ UINTN Length;
+ EFI_SMBUS_DEVICE_MAP *SmBusDeviceMap;
+ RETURN_STATUS ReturnStatus;
+ UINTN SmbusDeviceAddress;
+ UINTN Index;
+
+ ASSERT (Uuid != NULL);
+ ASSERT (!SMBUS_LIB_PEC (SmBusAddress));
+ ASSERT (SMBUS_LIB_COMMAND (SmBusAddress) == 0);
+ ASSERT (SMBUS_LIB_RESEARVED (SmBusAddress) == 0);
+ ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) == 0);
+
+ ReturnStatus = InternalGetArpMap (&Length, &SmBusDeviceMap);
+ if (!RETURN_ERROR (ReturnStatus)) {
+ SmbusDeviceAddress = SMBUS_LIB_SLAVE_ADDRESS (SmBusAddress);
+ for (Index = 0; Index < Length; Index++) {
+ if (SmBusDeviceMap[Index].SmbusDeviceAddress.SmbusDeviceAddress == SmbusDeviceAddress) {
+ CopyMem (Uuid, &SmBusDeviceMap[Index].SmbusDeviceUdid, sizeof (EFI_SMBUS_UDID));
+ break;
+ }
+ }
+ }
+
+ return ReturnStatus;
+}
diff --git a/MdePkg/Library/PeiSmbusLib/build.xml b/MdePkg/Library/PeiSmbusLib/build.xml new file mode 100644 index 0000000000..9f1b89302d --- /dev/null +++ b/MdePkg/Library/PeiSmbusLib/build.xml @@ -0,0 +1,47 @@ +<?xml version="1.0" encoding="UTF-8"?><!-- Copyright (c) 2006, Intel Corporation
+All rights reserved. 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.-->
+<project basedir="." default="PeiSmbusLib"><!--Apply external ANT tasks-->
+ <taskdef resource="GenBuild.tasks"/>
+ <taskdef resource="net/sf/antcontrib/antlib.xml"/>
+ <property environment="env"/>
+ <property name="WORKSPACE_DIR" value="${env.WORKSPACE}"/>
+ <import file="${WORKSPACE_DIR}\Tools\Conf\BuildMacro.xml"/><!--MODULE_RELATIVE PATH is relative to PACKAGE_DIR-->
+ <property name="MODULE_RELATIVE_PATH" value="Library\PeiSmbusLib"/>
+ <property name="MODULE_DIR" value="${PACKAGE_DIR}\${MODULE_RELATIVE_PATH}"/>
+ <property name="COMMON_FILE" value="${WORKSPACE_DIR}\Tools\Conf\Common.xml"/>
+ <target name="PeiSmbusLib">
+ <GenBuild baseName="PeiSmbusLib" mbdFilename="${MODULE_DIR}\PeiSmbusLib.mbd" msaFilename="${MODULE_DIR}\PeiSmbusLib.msa"/>
+ </target>
+ <target depends="PeiSmbusLib_clean" name="clean"/>
+ <target depends="PeiSmbusLib_cleanall" name="cleanall"/>
+ <target name="PeiSmbusLib_clean">
+ <OutputDirSetup baseName="PeiSmbusLib" mbdFilename="${MODULE_DIR}\PeiSmbusLib.mbd" msaFilename="${MODULE_DIR}\PeiSmbusLib.msa"/>
+ <if>
+ <available file="${DEST_DIR_OUTPUT}\PeiSmbusLib_build.xml"/>
+ <then>
+ <ant antfile="${DEST_DIR_OUTPUT}\PeiSmbusLib_build.xml" target="clean"/>
+ </then>
+ </if>
+ <delete dir="${DEST_DIR_OUTPUT}" excludes="*.xml"/>
+ </target>
+ <target name="PeiSmbusLib_cleanall">
+ <OutputDirSetup baseName="PeiSmbusLib" mbdFilename="${MODULE_DIR}\PeiSmbusLib.mbd" msaFilename="${MODULE_DIR}\PeiSmbusLib.msa"/>
+ <if>
+ <available file="${DEST_DIR_OUTPUT}\PeiSmbusLib_build.xml"/>
+ <then>
+ <ant antfile="${DEST_DIR_OUTPUT}\PeiSmbusLib_build.xml" target="cleanall"/>
+ </then>
+ </if>
+ <delete dir="${DEST_DIR_OUTPUT}"/>
+ <delete dir="${DEST_DIR_DEBUG}"/>
+ <delete>
+ <fileset dir="${BIN_DIR}" includes="**PeiSmbusLib*"/>
+ </delete>
+ </target>
+</project>
\ No newline at end of file |