dptx: Renamed some arguments to be more consistent among functions.
Signed-off-by: Andrei-Liviu Simion <andrei.simion@xilinx.com>
This commit is contained in:
Andrei-Liviu Simion
Suneel Garapati
parent
312deb2817
commit
822c9b0147
3 changed files with 58 additions and 53 deletions
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@ -702,13 +702,14 @@ u32 XDptx_IsConnected(XDptx *InstancePtr)
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/******************************************************************************/
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/**
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* This function issues a read request over the AUX channel.
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* This function issues a read request over the AUX channel that will read from
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* the RX device's DisplayPort Configuration Data (DPCD) address space.
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*
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* @param InstancePtr is a pointer to the XDptx instance.
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* @param Address is the starting address to read from the RX device.
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* @param NumBytes is the number of bytes to read from the RX device.
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* @param Data is a pointer to the data buffer that will be filled with
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* read data.
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* @param DpcdAddress is the starting address to read from the RX device.
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* @param BytesToRead is the number of bytes to read from the RX device.
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* @param ReadData is a pointer to the data buffer that will be filled
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* with read data.
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*
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* @return
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* - XST_SUCCESS if the AUX read request was successfully
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@ -720,7 +721,8 @@ u32 XDptx_IsConnected(XDptx *InstancePtr)
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* @note None.
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*
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*******************************************************************************/
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u32 XDptx_AuxRead(XDptx *InstancePtr, u32 Address, u32 NumBytes, void *Data)
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u32 XDptx_AuxRead(XDptx *InstancePtr, u32 DpcdAddress, u32 BytesToRead,
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void *ReadData)
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{
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u32 Status;
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XDptx_AuxTransaction Request;
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@ -728,29 +730,30 @@ u32 XDptx_AuxRead(XDptx *InstancePtr, u32 Address, u32 NumBytes, void *Data)
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/* Verify arguments. */
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Xil_AssertNonvoid(InstancePtr != NULL);
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Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
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Xil_AssertNonvoid(Address <= 0xFFFFF);
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Xil_AssertNonvoid(NumBytes <= 0xFFFFF);
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Xil_AssertNonvoid(Data != NULL);
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Xil_AssertNonvoid(DpcdAddress <= 0xFFFFF);
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Xil_AssertNonvoid(BytesToRead <= 0xFFFFF);
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Xil_AssertNonvoid(ReadData != NULL);
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if (!XDptx_IsConnected(InstancePtr)) {
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return XST_DEVICE_NOT_FOUND;
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}
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/* Send AUX read transaction. */
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Status = XDptx_AuxCommon(InstancePtr, XDPTX_AUX_CMD_READ, Address,
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NumBytes, (u8 *)Data);
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Status = XDptx_AuxCommon(InstancePtr, XDPTX_AUX_CMD_READ, DpcdAddress,
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BytesToRead, (u8 *)ReadData);
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return Status;
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}
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/******************************************************************************/
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/**
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* This function issues a write request over the AUX channel.
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* This function issues a write request over the AUX channel that will write to
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* the RX device's DisplayPort Configuration Data (DPCD) address space.
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*
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* @param InstancePtr is a pointer to the XDptx instance.
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* @param Address is the starting address to write to the RX device.
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* @param NumBytes is the number of bytes to write to the RX device.
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* @param Data is a pointer to the data buffer that contains the data
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* @param DpcdAddress is the starting address to write to the RX device.
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* @param BytesToWrite is the number of bytes to write to the RX device.
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* @param WriteData is a pointer to the data buffer that contains the data
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* to be written to the RX device.
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*
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* @return
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@ -763,7 +766,8 @@ u32 XDptx_AuxRead(XDptx *InstancePtr, u32 Address, u32 NumBytes, void *Data)
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* @note None.
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*
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*******************************************************************************/
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u32 XDptx_AuxWrite(XDptx *InstancePtr, u32 Address, u32 NumBytes, void *Data)
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u32 XDptx_AuxWrite(XDptx *InstancePtr, u32 DpcdAddress, u32 BytesToWrite,
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void *WriteData)
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{
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u32 Status;
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XDptx_AuxTransaction Request;
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@ -771,17 +775,17 @@ u32 XDptx_AuxWrite(XDptx *InstancePtr, u32 Address, u32 NumBytes, void *Data)
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/* Verify arguments. */
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Xil_AssertNonvoid(InstancePtr != NULL);
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Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
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Xil_AssertNonvoid(Address <= 0xFFFFF);
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Xil_AssertNonvoid(NumBytes <= 0xFFFFF);
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Xil_AssertNonvoid(Data != NULL);
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Xil_AssertNonvoid(DpcdAddress <= 0xFFFFF);
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Xil_AssertNonvoid(BytesToWrite <= 0xFFFFF);
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Xil_AssertNonvoid(WriteData != NULL);
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if (!XDptx_IsConnected(InstancePtr)) {
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return XST_DEVICE_NOT_FOUND;
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}
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/* Send AUX write transaction. */
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Status = XDptx_AuxCommon(InstancePtr, XDPTX_AUX_CMD_WRITE, Address,
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NumBytes, (u8 *)Data);
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Status = XDptx_AuxCommon(InstancePtr, XDPTX_AUX_CMD_WRITE, DpcdAddress,
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BytesToWrite, (u8 *)WriteData);
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return Status;
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}
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@ -792,11 +796,11 @@ u32 XDptx_AuxWrite(XDptx *InstancePtr, u32 Address, u32 NumBytes, void *Data)
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*
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* @param InstancePtr is a pointer to the XDptx instance.
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* @param IicAddress is the address on the I2C bus of the target device.
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* @param RegStartAddress is the subaddress of the targeted I2C device
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* that the read will start from.
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* @param NumBytes is the number of bytes to read.
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* @param Data is a pointer to a buffer that will be filled with the I2C
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* read data.
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* @param Offset is the offset at the specified address of the targeted
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* I2C device that the read will start from.
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* @param BytesToRead is the number of bytes to read.
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* @param ReadData is a pointer to a buffer that will be filled with the
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* I2C read data.
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*
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* @return
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* - XST_SUCCESS if the I2C read has successfully completed with no
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@ -808,8 +812,8 @@ u32 XDptx_AuxWrite(XDptx *InstancePtr, u32 Address, u32 NumBytes, void *Data)
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* @note None.
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*
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*******************************************************************************/
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u32 XDptx_IicRead(XDptx *InstancePtr, u8 IicAddress, u8 RegStartAddress,
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u8 NumBytes, void *Data)
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u32 XDptx_IicRead(XDptx *InstancePtr, u8 IicAddress, u8 Offset,
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u8 BytesToRead, void *ReadData)
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{
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u32 Status;
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XDptx_AuxTransaction Request;
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@ -819,9 +823,9 @@ u32 XDptx_IicRead(XDptx *InstancePtr, u8 IicAddress, u8 RegStartAddress,
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Xil_AssertNonvoid(InstancePtr != NULL);
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Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
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Xil_AssertNonvoid(IicAddress <= 0xFF);
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Xil_AssertNonvoid(RegStartAddress <= 0xFF);
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Xil_AssertNonvoid(NumBytes <= 0xFF);
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Xil_AssertNonvoid(Data != NULL);
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Xil_AssertNonvoid(Offset <= 0xFF);
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Xil_AssertNonvoid(BytesToRead <= 0xFF);
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Xil_AssertNonvoid(ReadData != NULL);
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if (!XDptx_IsConnected(InstancePtr)) {
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return XST_DEVICE_NOT_FOUND;
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@ -831,7 +835,7 @@ u32 XDptx_IicRead(XDptx *InstancePtr, u8 IicAddress, u8 RegStartAddress,
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Request.Address = IicAddress;
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Request.CmdCode = XDPTX_AUX_CMD_I2C_WRITE_MOT;
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Request.NumBytes = 2;
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AuxData[0] = RegStartAddress;
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AuxData[0] = Offset;
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AuxData[1] = 0;
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Request.Data = AuxData;
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Status = XDptx_AuxRequest(InstancePtr, &Request);
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@ -841,7 +845,7 @@ u32 XDptx_IicRead(XDptx *InstancePtr, u8 IicAddress, u8 RegStartAddress,
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/* Send I2C-over-AUX read transaction. */
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Status = XDptx_AuxCommon(InstancePtr, XDPTX_AUX_CMD_I2C_READ,
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IicAddress, NumBytes, (u8 *)Data);
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IicAddress, BytesToRead, (u8 *)ReadData);
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return Status;
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}
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@ -852,11 +856,11 @@ u32 XDptx_IicRead(XDptx *InstancePtr, u8 IicAddress, u8 RegStartAddress,
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*
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* @param InstancePtr is a pointer to the XDptx instance.
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* @param IicAddress is the address on the I2C bus of the target device.
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* @param RegStartAddress is the sub-address of the targeted I2C device
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* that the write will start at.
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* @param NumBytes is the number of bytes to write.
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* @param Data is a pointer to a buffer which will be used as the data
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* source for the write.
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* @param Offset is the sub-address of the targeted I2C device that the
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* write will start at.
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* @param BytesToWrite is the number of bytes to write.
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* @param WriteData is a pointer to a buffer which will be used as the
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* data source for the write.
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*
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* @return
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* - XST_SUCCESS if the I2C write has successfully completed with
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@ -868,8 +872,8 @@ u32 XDptx_IicRead(XDptx *InstancePtr, u8 IicAddress, u8 RegStartAddress,
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* @note None.
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*
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*******************************************************************************/
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u32 XDptx_IicWrite(XDptx *InstancePtr, u8 IicAddress, u8 RegStartAddress,
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u8 NumBytes, void *Data)
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u32 XDptx_IicWrite(XDptx *InstancePtr, u8 IicAddress, u8 Offset,
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u8 BytesToWrite, void *WriteData)
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{
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u32 Status;
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XDptx_AuxTransaction Request;
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@ -879,9 +883,9 @@ u32 XDptx_IicWrite(XDptx *InstancePtr, u8 IicAddress, u8 RegStartAddress,
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Xil_AssertNonvoid(InstancePtr != NULL);
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Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
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Xil_AssertNonvoid(IicAddress <= 0xFF);
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Xil_AssertNonvoid(RegStartAddress <= 0xFF);
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Xil_AssertNonvoid(NumBytes <= 0xFF);
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Xil_AssertNonvoid(Data != NULL);
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Xil_AssertNonvoid(Offset <= 0xFF);
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Xil_AssertNonvoid(BytesToWrite <= 0xFF);
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Xil_AssertNonvoid(WriteData != NULL);
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if (!XDptx_IsConnected(InstancePtr)) {
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return XST_DEVICE_NOT_FOUND;
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@ -891,7 +895,7 @@ u32 XDptx_IicWrite(XDptx *InstancePtr, u8 IicAddress, u8 RegStartAddress,
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Request.Address = IicAddress;
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Request.CmdCode = XDPTX_AUX_CMD_I2C_WRITE_MOT;
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Request.NumBytes = 2;
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AuxData[0] = RegStartAddress;
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AuxData[0] = Offset;
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AuxData[1] = 0;
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Request.Data = AuxData;
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Status = XDptx_AuxRequest(InstancePtr, &Request);
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@ -900,8 +904,8 @@ u32 XDptx_IicWrite(XDptx *InstancePtr, u8 IicAddress, u8 RegStartAddress,
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}
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/* Send I2C-over-AUX read transaction. */
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Status = XDptx_AuxCommon(InstancePtr, XDPTX_AUX_CMD_I2C_READ,
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IicAddress, NumBytes, (u8 *)Data);
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Status = XDptx_AuxCommon(InstancePtr, XDPTX_AUX_CMD_I2C_WRITE,
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IicAddress, BytesToWrite, (u8 *)WriteData);
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return Status;
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}
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@ -757,12 +757,14 @@ void XDptx_CfgTxVsLevel(XDptx *InstancePtr, u8 Level, u8 TxLevel);
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void XDptx_CfgTxPeLevel(XDptx *InstancePtr, u8 Level, u8 TxLevel);
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/* xdptx.c: AUX transaction functions. */
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u32 XDptx_AuxRead(XDptx *InstancePtr, u32 Address, u32 NumBytes, void *Data);
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u32 XDptx_AuxWrite(XDptx *InstancePtr, u32 Address, u32 NumBytes, void *Data);
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u32 XDptx_IicRead(XDptx *InstancePtr, u8 IicAddress, u8 RegStartAddress,
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u8 NumBytes, void *Data);
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u32 XDptx_IicWrite(XDptx *InstancePtr, u8 IicAddress, u8 RegStartAddress,
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u8 NumBytes, void *Data);
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u32 XDptx_AuxRead(XDptx *InstancePtr, u32 Address, u32 BytesToRead,
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void *ReadData);
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u32 XDptx_AuxWrite(XDptx *InstancePtr, u32 Address, u32 BytesToWrite,
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void *WriteData);
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u32 XDptx_IicRead(XDptx *InstancePtr, u8 IicAddress, u8 Offset, u8 BytesToRead,
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void *ReadData);
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u32 XDptx_IicWrite(XDptx *InstancePtr, u8 IicAddress, u8 Offset,
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u8 BytesToWrite, void *WriteData);
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/* xdptx.c: Functions for controlling the link configuration. */
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u32 XDptx_SetDownspread(XDptx *InstancePtr, u8 Enable);
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@ -254,7 +254,6 @@ void XDptx_CfgMsaRecalculate(XDptx *InstancePtr, u8 Stream)
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}
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}
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/******************************************************************************/
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/**
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* This function sets the Main Stream Attribute (MSA) values in the
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