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dp: rx: mst: Added ability to set the DPCD for each port.

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Signed-off-by: Andrei-Liviu Simion <andrei.simion@xilinx.com>
This commit is contained in:
Andrei-Liviu Simion 2015-05-18 19:16:27 -07:00 • committed by Nava kishore Manne
parent 062b550ad6
commit 7c48fa85e0
2 changed files with 32 additions and 0 deletions
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2
XilinxProcessorIPLib/drivers/dp/src/xdp.h
View file

@ -1087,6 +1087,8 @@ XDp_RxIicMapEntry *XDp_RxGetIicMapEntry(XDp *InstancePtr, u8 PortNum,
u8 IicAddress);
u32 XDp_RxSetIicMapEntry(XDp *InstancePtr, u8 PortNum, u8 IicAddress,
u8 ReadNumBytes, u8 *ReadData);
void XDp_RxSetDpcdMap(XDp *InstancePtr, u8 PortNum, u32 StartAddr, u32 NumBytes,
u8 *DpcdMap);
void XDp_RxMstExposePort(XDp *InstancePtr, u8 PortNum, u8 Expose);
void XDp_RxMstSetPort(XDp *InstancePtr, u8 PortNum,
XDp_SbMsgLinkAddressReplyPortDetail *PortDetails);

30
XilinxProcessorIPLib/drivers/dp/src/xdp_mst.c
View file

@ -2463,6 +2463,36 @@ u32 XDp_RxSetIicMapEntry(XDp *InstancePtr, u8 PortNum, u8 IicAddress,
return XST_SUCCESS;
}
/******************************************************************************/
/**
* This function specified the DPCD address space for a given port. The user
* provides a pointer to the data to be used. When an upstream device issues a
* REMOTE_DPCD_READ sideband message, the contents of this DPCD structure will
* be used as the reply's data.
*
* @param InstancePtr is a pointer to the XDp instance.
* @param PortNum is the port number for which to set the DPCD.
* @param StartAddr is the starting address for which to define the DPCD.
* @param NumBytes is the total number of bytes defined by the DPCD.
* @param DpcdMap is a pointer to a user-defined data structure that will
* be used as read data when an upstream device issues a DPCD read.
*
* @return None.
*
* @note None.
*
*******************************************************************************/
void XDp_RxSetDpcdMap(XDp *InstancePtr, u8 PortNum, u32 StartAddr, u32 NumBytes,
u8 *DpcdMap)
{
InstancePtr->RxInstance.Topology.Ports[PortNum].DpcdMap.DataPtr =
DpcdMap;
InstancePtr->RxInstance.Topology.Ports[PortNum].DpcdMap.NumBytes =
NumBytes;
InstancePtr->RxInstance.Topology.Ports[PortNum].DpcdMap.StartAddr =
StartAddr;
}
/******************************************************************************/
/**
* This function allows the user to select which ports will be exposed when