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dp: mst: Renamed CRC functions to indicate commonality between RX and TX cases.

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Both RX and TX cases use the CRC functions so having *Tx* in the function name
is incorrect.

Signed-off-by: Andrei-Liviu Simion <andrei.simion@xilinx.com>
This commit is contained in:
Andrei-Liviu Simion 2015-03-12 18:19:36 -07:00 • committed by Nava kishore Manne
parent 4f870ba9da
commit 8f1e0f1d99
1 changed files with 27 additions and 27 deletions
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54
XilinxProcessorIPLib/drivers/dp/src/xdp_mst.c
View file

@ -167,9 +167,9 @@ static u32 XDp_TxReceiveSbMsg(XDp *InstancePtr, XDp_SidebandReply *SbReply);
static u32 XDp_TxWaitSbReply(XDp *InstancePtr);
static u32 XDp_Transaction2MsgFormat(u8 *Transaction, XDp_SidebandMsg *Msg);
static u32 XDp_RxWriteRawDownReply(XDp *InstancePtr, u8 *Data, u8 DataLength);
static u8 XDp_TxCrc4CalculateHeader(XDp_SidebandMsgHeader *Header);
static u8 XDp_TxCrc8CalculateBody(XDp_SidebandMsg *Msg);
static u8 XDp_TxCrcCalculate(const u8 *Data, u32 NumberOfBits, u8 Polynomial);
static u8 XDp_Crc4CalculateHeader(XDp_SidebandMsgHeader *Header);
static u8 XDp_Crc8CalculateBody(XDp_SidebandMsg *Msg);
static u8 XDp_CrcCalculate(const u8 *Data, u32 NumberOfBits, u8 Polynomial);
static u32 XDp_TxIsSameTileDisplay(u8 *DispIdSecTile0, u8 *DispIdSecTile1);
/**************************** Variable Definitions ****************************/
@ -1547,7 +1547,7 @@ u32 XDp_TxSendSbMsgRemoteDpcdWrite(XDp *InstancePtr, u8 LinkCountTotal,
Msg.Header.StartOfMsgTransaction = 1;
Msg.Header.EndOfMsgTransaction = 1;
Msg.Header.MsgSequenceNum = 0;
Msg.Header.Crc = XDp_TxCrc4CalculateHeader(&Msg.Header);
Msg.Header.Crc = XDp_Crc4CalculateHeader(&Msg.Header);
/* Prepare the sideband message body. */
Msg.Body.MsgData[0] = XDP_TX_SBMSG_REMOTE_DPCD_WRITE;
@ -1560,7 +1560,7 @@ u32 XDp_TxSendSbMsgRemoteDpcdWrite(XDp *InstancePtr, u8 LinkCountTotal,
Msg.Body.MsgData[5 + Index] = WriteData[Index];
}
Msg.Body.MsgDataLength = Msg.Header.MsgBodyLength - 1;
Msg.Body.Crc = XDp_TxCrc8CalculateBody(&Msg);
Msg.Body.Crc = XDp_Crc8CalculateBody(&Msg);
/* Submit the REMOTE_DPCD_WRITE transaction message request. */
Status = XDp_SendSbMsgFragment(InstancePtr, &Msg);
@ -1640,7 +1640,7 @@ u32 XDp_TxSendSbMsgRemoteDpcdRead(XDp *InstancePtr, u8 LinkCountTotal,
Msg.Header.StartOfMsgTransaction = 1;
Msg.Header.EndOfMsgTransaction = 1;
Msg.Header.MsgSequenceNum = 0;
Msg.Header.Crc = XDp_TxCrc4CalculateHeader(&Msg.Header);
Msg.Header.Crc = XDp_Crc4CalculateHeader(&Msg.Header);
/* Prepare the sideband message body. */
Msg.Body.MsgData[0] = XDP_TX_SBMSG_REMOTE_DPCD_READ;
@ -1650,7 +1650,7 @@ u32 XDp_TxSendSbMsgRemoteDpcdRead(XDp *InstancePtr, u8 LinkCountTotal,
Msg.Body.MsgData[3] = (DpcdAddress & 0x000000FF);
Msg.Body.MsgData[4] = BytesToRead;
Msg.Body.MsgDataLength = Msg.Header.MsgBodyLength - 1;
Msg.Body.Crc = XDp_TxCrc8CalculateBody(&Msg);
Msg.Body.Crc = XDp_Crc8CalculateBody(&Msg);
/* Submit the REMOTE_DPCD_READ transaction message request. */
Status = XDp_SendSbMsgFragment(InstancePtr, &Msg);
@ -1740,7 +1740,7 @@ u32 XDp_TxSendSbMsgRemoteIicWrite(XDp *InstancePtr, u8 LinkCountTotal,
Msg.Header.StartOfMsgTransaction = 1;
Msg.Header.EndOfMsgTransaction = 1;
Msg.Header.MsgSequenceNum = 0;
Msg.Header.Crc = XDp_TxCrc4CalculateHeader(&Msg.Header);
Msg.Header.Crc = XDp_Crc4CalculateHeader(&Msg.Header);
/* Prepare the sideband message body. */
Msg.Body.MsgData[0] = XDP_TX_SBMSG_REMOTE_I2C_WRITE;
@ -1752,7 +1752,7 @@ u32 XDp_TxSendSbMsgRemoteIicWrite(XDp *InstancePtr, u8 LinkCountTotal,
Msg.Body.MsgData[Index + 4] = WriteData[Index];
}
Msg.Body.MsgDataLength = Msg.Header.MsgBodyLength - 1;
Msg.Body.Crc = XDp_TxCrc8CalculateBody(&Msg);
Msg.Body.Crc = XDp_Crc8CalculateBody(&Msg);
/* Submit the REMOTE_I2C_WRITE transaction message request. */
Status = XDp_SendSbMsgFragment(InstancePtr, &Msg);
@ -1832,7 +1832,7 @@ u32 XDp_TxSendSbMsgRemoteIicRead(XDp *InstancePtr, u8 LinkCountTotal,
Msg.Header.StartOfMsgTransaction = 1;
Msg.Header.EndOfMsgTransaction = 1;
Msg.Header.MsgSequenceNum = 0;
Msg.Header.Crc = XDp_TxCrc4CalculateHeader(&Msg.Header);
Msg.Header.Crc = XDp_Crc4CalculateHeader(&Msg.Header);
/* Prepare the sideband message body. */
Msg.Body.MsgData[0] = XDP_TX_SBMSG_REMOTE_I2C_READ;
@ -1845,7 +1845,7 @@ u32 XDp_TxSendSbMsgRemoteIicRead(XDp *InstancePtr, u8 LinkCountTotal,
Msg.Body.MsgData[6] = IicDeviceId; /* Read I2C device ID. */
Msg.Body.MsgData[7] = BytesToRead;
Msg.Body.MsgDataLength = Msg.Header.MsgBodyLength - 1;
Msg.Body.Crc = XDp_TxCrc8CalculateBody(&Msg);
Msg.Body.Crc = XDp_Crc8CalculateBody(&Msg);
/* Submit the REMOTE_I2C_READ transaction message request. */
Status = XDp_SendSbMsgFragment(InstancePtr, &Msg);
@ -1937,12 +1937,12 @@ u32 XDp_TxSendSbMsgLinkAddress(XDp *InstancePtr, u8 LinkCountTotal,
Msg.Header.StartOfMsgTransaction = 1;
Msg.Header.EndOfMsgTransaction = 1;
Msg.Header.MsgSequenceNum = 0;
Msg.Header.Crc = XDp_TxCrc4CalculateHeader(&Msg.Header);
Msg.Header.Crc = XDp_Crc4CalculateHeader(&Msg.Header);
/* Prepare the sideband message body. */
Msg.Body.MsgData[0] = XDP_TX_SBMSG_LINK_ADDRESS;
Msg.Body.MsgDataLength = Msg.Header.MsgBodyLength - 1;
Msg.Body.Crc = XDp_TxCrc8CalculateBody(&Msg);
Msg.Body.Crc = XDp_Crc8CalculateBody(&Msg);
/* Submit the LINK_ADDRESS transaction message request. */
Status = XDp_SendSbMsgFragment(InstancePtr, &Msg);
@ -2030,14 +2030,14 @@ u32 XDp_TxSendSbMsgEnumPathResources(XDp *InstancePtr, u8 LinkCountTotal,
Msg.Header.StartOfMsgTransaction = 1;
Msg.Header.EndOfMsgTransaction = 1;
Msg.Header.MsgSequenceNum = 0;
Msg.Header.Crc = XDp_TxCrc4CalculateHeader(&Msg.Header);
Msg.Header.Crc = XDp_Crc4CalculateHeader(&Msg.Header);
/* Prepare the sideband message body. */
Msg.Body.MsgData[0] = XDP_TX_SBMSG_ENUM_PATH_RESOURCES;
Msg.Body.MsgData[1] = (RelativeAddress[Msg.Header.LinkCountTotal - 1] <<
4);
Msg.Body.MsgDataLength = Msg.Header.MsgBodyLength - 1;
Msg.Body.Crc = XDp_TxCrc8CalculateBody(&Msg);
Msg.Body.Crc = XDp_Crc8CalculateBody(&Msg);
/* Submit the ENUM_PATH_RESOURCES transaction message request. */
Status = XDp_SendSbMsgFragment(InstancePtr, &Msg);
@ -2123,7 +2123,7 @@ u32 XDp_TxSendSbMsgAllocatePayload(XDp *InstancePtr, u8 LinkCountTotal,
Msg.Header.StartOfMsgTransaction = 1;
Msg.Header.EndOfMsgTransaction = 1;
Msg.Header.MsgSequenceNum = 0;
Msg.Header.Crc = XDp_TxCrc4CalculateHeader(&Msg.Header);
Msg.Header.Crc = XDp_Crc4CalculateHeader(&Msg.Header);
/* Prepare the sideband message body. */
Msg.Body.MsgData[0] = XDP_TX_SBMSG_ALLOCATE_PAYLOAD;
@ -2133,7 +2133,7 @@ u32 XDp_TxSendSbMsgAllocatePayload(XDp *InstancePtr, u8 LinkCountTotal,
Msg.Body.MsgData[3] = (Pbn >> 8);
Msg.Body.MsgData[4] = (Pbn & 0xFFFFFFFF);
Msg.Body.MsgDataLength = Msg.Header.MsgBodyLength - 1;
Msg.Body.Crc = XDp_TxCrc8CalculateBody(&Msg);
Msg.Body.Crc = XDp_Crc8CalculateBody(&Msg);
/* Submit the ALLOCATE_PAYLOAD transaction message request. */
Status = XDp_SendSbMsgFragment(InstancePtr, &Msg);
@ -2191,12 +2191,12 @@ u32 XDp_TxSendSbMsgClearPayloadIdTable(XDp *InstancePtr)
Msg.Header.StartOfMsgTransaction = 1;
Msg.Header.EndOfMsgTransaction = 1;
Msg.Header.MsgSequenceNum = 0;
Msg.Header.Crc = XDp_TxCrc4CalculateHeader(&Msg.Header);
Msg.Header.Crc = XDp_Crc4CalculateHeader(&Msg.Header);
/* Prepare the sideband message body. */
Msg.Body.MsgData[0] = XDP_TX_SBMSG_CLEAR_PAYLOAD_ID_TABLE;
Msg.Body.MsgDataLength = Msg.Header.MsgBodyLength - 1;
Msg.Body.Crc = XDp_TxCrc8CalculateBody(&Msg);
Msg.Body.Crc = XDp_Crc8CalculateBody(&Msg);
/* Submit the CLEAR_PAYLOAD_ID_TABLE transaction message request. */
Status = XDp_SendSbMsgFragment(InstancePtr, &Msg);
@ -2887,7 +2887,7 @@ static u32 XDp_Transaction2MsgFormat(u8 *Transaction, XDp_SidebandMsg *Msg)
Header->Crc = Transaction[Header->MsgHeaderLength] & 0x0F;
Header->MsgHeaderLength++;
/* Verify the header CRC. */
CrcCheck = XDp_TxCrc4CalculateHeader(Header);
CrcCheck = XDp_Crc4CalculateHeader(Header);
if (CrcCheck != Header->Crc) {
/* The calculated CRC for the header did not match the
* response. */
@ -2902,7 +2902,7 @@ static u32 XDp_Transaction2MsgFormat(u8 *Transaction, XDp_SidebandMsg *Msg)
}
Body->Crc = Transaction[Header->MsgHeaderLength + Index];
/* Verify the body CRC. */
CrcCheck = XDp_TxCrc8CalculateBody(Msg);
CrcCheck = XDp_Crc8CalculateBody(Msg);
if (CrcCheck != Body->Crc) {
/* The calculated CRC for the body did not match the
* response. */
@ -2977,10 +2977,10 @@ static u32 XDp_RxWriteRawDownReply(XDp *InstancePtr, u8 *Data, u8 DataLength)
* message header.
*
* @note The header is divided into 4-bit nibbles for use by the lower-
* level XDp_TxCrcCalculate function.
* level XDp_CrcCalculate function.
*
*******************************************************************************/
static u8 XDp_TxCrc4CalculateHeader(XDp_SidebandMsgHeader *Header)
static u8 XDp_Crc4CalculateHeader(XDp_SidebandMsgHeader *Header)
{
u8 Nibbles[20];
u8 RadOffset = 0;
@ -3009,7 +3009,7 @@ static u8 XDp_TxCrc4CalculateHeader(XDp_SidebandMsgHeader *Header)
Nibbles[4 + RadOffset] = (Header->StartOfMsgTransaction << 3) |
(Header->EndOfMsgTransaction << 2) | Header->MsgSequenceNum;
return XDp_TxCrcCalculate(Nibbles, 4 * (5 + RadOffset), 4);
return XDp_CrcCalculate(Nibbles, 4 * (5 + RadOffset), 4);
}
/******************************************************************************/
@ -3027,7 +3027,7 @@ static u8 XDp_TxCrc4CalculateHeader(XDp_SidebandMsgHeader *Header)
* @note None.
*
*******************************************************************************/
static u8 XDp_TxCrc8CalculateBody(XDp_SidebandMsg *Msg)
static u8 XDp_Crc8CalculateBody(XDp_SidebandMsg *Msg)
{
XDp_SidebandMsgBody *Body = &Msg->Body;
u8 StartIndex;
@ -3035,7 +3035,7 @@ static u8 XDp_TxCrc8CalculateBody(XDp_SidebandMsg *Msg)
StartIndex = Msg->FragmentNum * (XDP_MAX_LENGTH_SBMSG -
Msg->Header.MsgHeaderLength - 1);
return XDp_TxCrcCalculate(&Body->MsgData[StartIndex],
return XDp_CrcCalculate(&Body->MsgData[StartIndex],
8 * Body->MsgDataLength, 8);
}
@ -3056,7 +3056,7 @@ static u8 XDp_TxCrc8CalculateBody(XDp_SidebandMsg *Msg)
* @note None.
*
*******************************************************************************/
static u8 XDp_TxCrcCalculate(const u8 *Data, u32 NumberOfBits, u8 Polynomial)
static u8 XDp_CrcCalculate(const u8 *Data, u32 NumberOfBits, u8 Polynomial)
{
u8 BitMask;
u8 BitShift;