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dp: rx: Added function to override the DPCD lane count value.

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Signed-off-by: Andrei-Liviu Simion <andrei.simion@xilinx.com>
This commit is contained in:
Andrei-Liviu Simion 2015-01-16 10:30:52 -08:00 • committed by Nava kishore Manne
parent 26bdc1bd63
commit 3b2d898c44
2 changed files with 15 additions and 0 deletions
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14
XilinxProcessorIPLib/drivers/dp/src/xdprx.c
View file

@ -217,6 +217,20 @@ void XDprx_SetLinkRate(XDprx *InstancePtr, u8 LinkRate)
0x01); 0x01);
} }
void XDprx_SetLaneCount(XDprx *InstancePtr, u8 LaneCount)
{
InstancePtr->LinkConfig.LaneCount = LaneCount;
XDprx_WriteReg(InstancePtr->Config.BaseAddr, XDPRX_OVER_CTRL_DPCD,
0x01);
XDprx_WriteReg(InstancePtr->Config.BaseAddr, XDPRX_OVER_LANE_COUNT_SET,
LaneCount);
XDprx_WriteReg(InstancePtr->Config.BaseAddr, XDPRX_OVER_CTRL_DPCD,
0x00);
XDprx_WriteReg(InstancePtr->Config.BaseAddr, XDPRX_LOCAL_EDID_VIDEO,
0x01);
}
/******************************************************************************/ /******************************************************************************/
/** /**
* This function installs a custom delay/sleep function to be used by the XDprx * This function installs a custom delay/sleep function to be used by the XDprx

1
XilinxProcessorIPLib/drivers/dp/src/xdprx.h
View file

@ -94,6 +94,7 @@ u32 XDprx_InitializeRx(XDprx *InstancePtr);
void XDprx_DtgEn(XDprx *InstancePtr); void XDprx_DtgEn(XDprx *InstancePtr);
void XDprx_DtgDis(XDprx *InstancePtr); void XDprx_DtgDis(XDprx *InstancePtr);
void XDprx_SetLinkRate(XDprx *InstancePtr, u8 LinkRate); void XDprx_SetLinkRate(XDprx *InstancePtr, u8 LinkRate);
void XDprx_SetLaneCount(XDprx *InstancePtr, u8 LaneCount);
void XDprx_SetUserTimerHandler(XDprx *InstancePtr, void XDprx_SetUserTimerHandler(XDprx *InstancePtr,
XDp_TimerHandler CallbackFunc, void *CallbackRef); XDp_TimerHandler CallbackFunc, void *CallbackRef);
void XDprx_WaitUs(XDprx *InstancePtr, u32 MicroSeconds); void XDprx_WaitUs(XDprx *InstancePtr, u32 MicroSeconds);