diff options
Diffstat (limited to 'MdePkg/Library/DxeSmbusLib/InternalSmbusLib.h')
| -rw-r--r-- | MdePkg/Library/DxeSmbusLib/InternalSmbusLib.h | 66 |
1 files changed, 7 insertions, 59 deletions
diff --git a/MdePkg/Library/DxeSmbusLib/InternalSmbusLib.h b/MdePkg/Library/DxeSmbusLib/InternalSmbusLib.h index 3c0b597fc5..bd6d57f2d3 100644 --- a/MdePkg/Library/DxeSmbusLib/InternalSmbusLib.h +++ b/MdePkg/Library/DxeSmbusLib/InternalSmbusLib.h @@ -18,11 +18,11 @@ 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))
+#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_PEC(SmBusAddress) ((BOOLEAN) (((SmBusAddress) & SMBUS_LIB_PEC_BIT) != 0))
+#define SMBUS_LIB_RESEARVED(SmBusAddress) ((SmBusAddress) & ~(((1 << 21) - 2) | SMBUS_LIB_PEC_BIT))
//
// Declaration for internal functions
@@ -45,7 +45,7 @@ Module Name: SmbusLib.c @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..
+ @return The actual number of bytes that are executed for this operation.
**/
UINTN
@@ -53,60 +53,8 @@ InternalSmBusExec ( IN EFI_SMBUS_OPERATION SmbusOperation,
IN UINTN SmBusAddress,
IN UINTN Length,
- IN VOID *Buffer,
+ IN OUT 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
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