stv0g/embeddedsw
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

dp: rx: mst: Add ability to set port information in the RX downstream topology.

Browse source 
Signed-off-by: Andrei-Liviu Simion <andrei.simion@xilinx.com>
This commit is contained in:
Andrei-Liviu Simion 2015-04-03 18:07:53 -07:00 • committed by Nava kishore Manne
parent b12d4c0570
commit 745530d3e2
2 changed files with 97 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
XilinxProcessorIPLib/drivers/dp/src/xdp.h
View file

@ -1023,6 +1023,10 @@ void XDp_TxWriteGuid(XDp *InstancePtr, u8 LinkCountTotal, u8 *RelativeAddress,
void XDp_TxGetGuid(XDp *InstancePtr, u8 LinkCountTotal, u8 *RelativeAddress,
u32 *Guid);
void XDp_RxMstExposePort(XDp *InstancePtr, u8 PortNum, u8 Expose);
void XDp_RxMstSetPort(XDp *InstancePtr, u8 PortNum,
XDp_SbMsgLinkAddressReplyPortDetail *PortDetails);
void XDp_RxMstSetInputPort(XDp *InstancePtr, u8 PortNum,
XDp_SbMsgLinkAddressReplyPortDetail *PortOverride);
/* xdp_selftest.c: Self test function. */
u32 XDp_SelfTest(XDp *InstancePtr);

93
XilinxProcessorIPLib/drivers/dp/src/xdp_mst.c
View file

@ -2329,6 +2329,99 @@ void XDp_RxMstExposePort(XDp *InstancePtr, u8 PortNum, u8 Expose)
}
}
/******************************************************************************/
/**
* This function sets the port information that is contained in the driver
* instance structure for the specified port number, to be copied from the
* supplied port details structure.
*
* @param InstancePtr is a pointer to the XDp instance.
* @param PortNum is the port number to set the port details for.
* @param PortDetails is a pointer to the user-defined port structure,
* whose information is to be copied into the driver instance.
*
* @return None.
*
* @note None.
*
*******************************************************************************/
void XDp_RxMstSetPort(XDp *InstancePtr, u8 PortNum,
XDp_SbMsgLinkAddressReplyPortDetail *PortDetails)
{
XDp_SbMsgLinkAddressReplyPortDetail *Port;
Port = &InstancePtr->RxInstance.Topology.LinkAddressInfo.
PortDetails[PortNum];
Port->InputPort = PortDetails->InputPort;
Port->PeerDeviceType = PortDetails->PeerDeviceType;
Port->PortNum = PortDetails->PortNum;
Port->MsgCapStatus = PortDetails->MsgCapStatus;
Port->DpDevPlugStatus = PortDetails->DpDevPlugStatus;
Port->LegacyDevPlugStatus = PortDetails->LegacyDevPlugStatus;
Port->DpcdRev = PortDetails->DpcdRev;
Port->Guid[0] = PortDetails->Guid[0];
Port->Guid[1] = PortDetails->Guid[1];
Port->Guid[2] = PortDetails->Guid[2];
Port->Guid[3] = PortDetails->Guid[3];
Port->NumSdpStreams = PortDetails->NumSdpStreams;
Port->NumSdpStreamSinks = PortDetails->NumSdpStreamSinks;
}
/******************************************************************************/
/**
* This function, for an input port, sets the port information that is contained
* in the driver instance structure for the specified port number.
* Some default values will be used if no port structure is supplied.
*
* @param InstancePtr is a pointer to the XDp instance.
* @param PortNum is the port number to set the input port for.
* @param PortOverride is a pointer to the user-defined port structure,
* whose information is to be copied into the driver instance. If
* set to NULL, default values for the input port will be used.
*
* @return None.
*
* @note None.
*
*******************************************************************************/
void XDp_RxMstSetInputPort(XDp *InstancePtr, u8 PortNum,
XDp_SbMsgLinkAddressReplyPortDetail *PortOverride)
{
XDp_SbMsgLinkAddressReplyDeviceInfo *Branch;
XDp_SbMsgLinkAddressReplyPortDetail *Port;
Branch = &InstancePtr->RxInstance.Topology.LinkAddressInfo;
Port = &Branch->PortDetails[PortNum];
if (!PortOverride) {
/* Use default values. */
Port->InputPort = 1;
Port->PeerDeviceType = 0x1;
Port->PortNum = PortNum;
Port->MsgCapStatus = 1;
Port->DpDevPlugStatus = 1;
Branch->Guid[0] = 0x78696C61;
Branch->Guid[1] = 0x6E647265;
Branch->Guid[2] = 0x696C7369;
Branch->Guid[3] = 0x6d696f6E;
}
else {
XDp_RxMstSetPort(InstancePtr, PortNum, PortOverride);
Branch->Guid[0] = PortOverride->Guid[0];
Branch->Guid[1] = PortOverride->Guid[1];
Branch->Guid[2] = PortOverride->Guid[2];
Branch->Guid[3] = PortOverride->Guid[3];
}
/* Make sure that the branch device is accounted for. */
if (InstancePtr->RxInstance.Topology.LinkAddressInfo.NumPorts == 0) {
InstancePtr->RxInstance.Topology.LinkAddressInfo.NumPorts = 1;
}
XDp_RxMstExposePort(InstancePtr, PortNum, 1);
}
/******************************************************************************/
/**
* This function will check whether or not a DisplayPort device has a global