diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/MdePkg/Library/BaseSmbusLibNull | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/MdePkg/Library/BaseSmbusLibNull')
3 files changed, 584 insertions, 0 deletions
diff --git a/roms/edk2/MdePkg/Library/BaseSmbusLibNull/BaseSmbusLibNull.c b/roms/edk2/MdePkg/Library/BaseSmbusLibNull/BaseSmbusLibNull.c new file mode 100644 index 000000000..42da5c0e6 --- /dev/null +++ b/roms/edk2/MdePkg/Library/BaseSmbusLibNull/BaseSmbusLibNull.c @@ -0,0 +1,538 @@ +/** @file
+Null implementation of SmBusLib class library.
+
+Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Base.h>
+#include <Library/SmbusLib.h>
+#include <Library/DebugLib.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.
+ 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);
+ if (Status != NULL) {
+ *Status = RETURN_UNSUPPORTED;
+ }
+}
+
+/**
+ 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.
+ 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);
+ if (Status != NULL) {
+ *Status = RETURN_UNSUPPORTED;
+ }
+}
+
+/**
+ 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_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
+ )
+{
+ ASSERT (SMBUS_LIB_COMMAND (SmBusAddress) == 0);
+ ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) == 0);
+ ASSERT (SMBUS_LIB_RESERVED (SmBusAddress) == 0);
+ if (Status != NULL) {
+ *Status = RETURN_UNSUPPORTED;
+ }
+ return 0;
+}
+
+/**
+ 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_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
+ )
+{
+ ASSERT (SMBUS_LIB_COMMAND (SmBusAddress) == 0);
+ ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) == 0);
+ ASSERT (SMBUS_LIB_RESERVED (SmBusAddress) == 0);
+ if (Status != NULL) {
+ *Status = RETURN_UNSUPPORTED;
+ }
+ return 0;
+}
+
+/**
+ 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_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
+ )
+{
+ ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) == 0);
+ ASSERT (SMBUS_LIB_RESERVED (SmBusAddress) == 0);
+ if (Status != NULL) {
+ *Status = RETURN_UNSUPPORTED;
+ }
+ return 0;
+}
+
+/**
+ 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_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
+ )
+{
+ ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) == 0);
+ ASSERT (SMBUS_LIB_RESERVED (SmBusAddress) == 0);
+ if (Status != NULL) {
+ *Status = RETURN_UNSUPPORTED;
+ }
+ return 0;
+}
+
+/**
+ 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_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
+ )
+{
+ ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) == 0);
+ ASSERT (SMBUS_LIB_RESERVED (SmBusAddress) == 0);
+ if (Status != NULL) {
+ *Status = RETURN_UNSUPPORTED;
+ }
+ return 0;
+}
+
+/**
+ 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_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
+ )
+{
+ ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) == 0);
+ ASSERT (SMBUS_LIB_RESERVED (SmBusAddress) == 0);
+ if (Status != NULL) {
+ *Status = RETURN_UNSUPPORTED;
+ }
+ return 0;
+}
+
+/**
+ 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_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);
+ if (Status != NULL) {
+ *Status = RETURN_UNSUPPORTED;
+ }
+ return 0;
+}
+
+/**
+ 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_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);
+ if (Status != NULL) {
+ *Status = RETURN_UNSUPPORTED;
+ }
+ return 0;
+}
+
+/**
+ 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_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
+ )
+{
+ ASSERT (Buffer != NULL);
+ ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) >= 1);
+ ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) <= 32);
+ ASSERT (SMBUS_LIB_RESERVED (SmBusAddress) == 0);
+ if (Status != NULL) {
+ *Status = RETURN_UNSUPPORTED;
+ }
+ return 0;
+}
+
+/**
+ 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 Address that encodes the SMBUS Slave Address,
+ SMBUS Command, SMBUS Data Length, and PEC.
+ @param WriteBuffer Pointer to the buffer of bytes to write to the SMBUS.
+ @param ReadBuffer 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
+ )
+{
+ ASSERT (WriteBuffer != NULL);
+ ASSERT (ReadBuffer != NULL);
+ ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) >= 1);
+ ASSERT (SMBUS_LIB_LENGTH (SmBusAddress) <= 32);
+ ASSERT (SMBUS_LIB_RESERVED (SmBusAddress) == 0);
+ if (Status != NULL) {
+ *Status = RETURN_UNSUPPORTED;
+ }
+ return 0;
+}
diff --git a/roms/edk2/MdePkg/Library/BaseSmbusLibNull/BaseSmbusLibNull.inf b/roms/edk2/MdePkg/Library/BaseSmbusLibNull/BaseSmbusLibNull.inf new file mode 100644 index 000000000..252b77cfd --- /dev/null +++ b/roms/edk2/MdePkg/Library/BaseSmbusLibNull/BaseSmbusLibNull.inf @@ -0,0 +1,30 @@ +## @file
+# Null implementation of the SMBUS Library.
+#
+# Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = BaseSmbusLibNull
+ MODULE_UNI_FILE = BaseSmbusLibNull.uni
+ FILE_GUID = E2ECA273-A1C0-407E-9A5C-F10C55142196
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = SmbusLib
+
+#
+# VALID_ARCHITECTURES = IA32 X64 EBC
+#
+
+[Sources]
+ BaseSmbusLibNull.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+
+[LibraryClasses]
+ DebugLib
diff --git a/roms/edk2/MdePkg/Library/BaseSmbusLibNull/BaseSmbusLibNull.uni b/roms/edk2/MdePkg/Library/BaseSmbusLibNull/BaseSmbusLibNull.uni new file mode 100644 index 000000000..e57a45b66 --- /dev/null +++ b/roms/edk2/MdePkg/Library/BaseSmbusLibNull/BaseSmbusLibNull.uni @@ -0,0 +1,16 @@ +// /** @file
+// Null implementation of the SMBUS Library.
+//
+// Null implementation of the SMBUS Library.
+//
+// Copyright (c) 2013 - 2014, Intel Corporation. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT #language en-US "Null implementation of the SMBUS Library."
+
+#string STR_MODULE_DESCRIPTION #language en-US "Null implementation of the SMBUS Library."
+
|