X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdePkg%2FLibrary%2FDxeSmbusLib%2FInternalSmbusLib.h;h=47c00a7306d1e6a04cacbb6099219e80fa65943d;hp=3c0b597fc5f64caf9e828da6b25b4e159d0f0ccd;hb=5b18234d980e3eb199c3a784b2fdfdd3acffef57;hpb=878ddf1fc3540a715f63594ed22b6929e881afb4 diff --git a/MdePkg/Library/DxeSmbusLib/InternalSmbusLib.h b/MdePkg/Library/DxeSmbusLib/InternalSmbusLib.h index 3c0b597fc5..47c00a7306 100644 --- a/MdePkg/Library/DxeSmbusLib/InternalSmbusLib.h +++ b/MdePkg/Library/DxeSmbusLib/InternalSmbusLib.h @@ -11,18 +11,16 @@ 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)) +#define SMBUS_LIB_SLAVE_ADDRESS(SmBusAddress) (((SmBusAddress) >> 1) & 0x7f) +#define SMBUS_LIB_COMMAND(SmBusAddress) (((SmBusAddress) >> 8) & 0xff) +#define SMBUS_LIB_LENGTH(SmBusAddress) (((SmBusAddress) >> 16) & 0x3f) +#define SMBUS_LIB_PEC(SmBusAddress) ((BOOLEAN) (((SmBusAddress) & SMBUS_LIB_PEC_BIT) != 0)) +#define SMBUS_LIB_RESEARVED(SmBusAddress) ((SmBusAddress) & ~(((1 << 22) - 2) | SMBUS_LIB_PEC_BIT)) // // Declaration for internal functions @@ -45,7 +43,7 @@ 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 +51,8 @@ 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