diff options
Diffstat (limited to 'MdePkg/Library/BaseSmbusLibNull/BaseSmbusLibNull.c')
| -rw-r--r-- | MdePkg/Library/BaseSmbusLibNull/BaseSmbusLibNull.c | 544 |
1 files changed, 0 insertions, 544 deletions
diff --git a/MdePkg/Library/BaseSmbusLibNull/BaseSmbusLibNull.c b/MdePkg/Library/BaseSmbusLibNull/BaseSmbusLibNull.c deleted file mode 100644 index 32bead9b04..0000000000 --- a/MdePkg/Library/BaseSmbusLibNull/BaseSmbusLibNull.c +++ /dev/null @@ -1,544 +0,0 @@ -/** @file
-Null implementation of SmBusLib class library.
-
-Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>
-This program and the accompanying materials
-are licensed and made available under the terms and conditions of the BSD License
-which accompanies this distribution. The full text of the license may be found at
-http://opensource.org/licenses/bsd-license.php.
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-**/
-
-#include <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;
-}
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