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dp: rx: Added function to override the DPCD link rate 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 10:28:22 -08:00 • committed by Nava kishore Manne
parent 36aa085a0e
commit 26bdc1bd63
2 changed files with 14 additions and 0 deletions
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13
XilinxProcessorIPLib/drivers/dp/src/xdprx.c
View file

@ -203,6 +203,19 @@ void XDprx_DtgDis(XDprx *InstancePtr)
XDprx_WriteReg(InstancePtr->Config.BaseAddr, XDPRX_SOFT_RESET, 0x00); XDprx_WriteReg(InstancePtr->Config.BaseAddr, XDPRX_SOFT_RESET, 0x00);
} }
void XDprx_SetLinkRate(XDprx *InstancePtr, u8 LinkRate)
{
InstancePtr->LinkConfig.LinkRate = LinkRate;
XDprx_WriteReg(InstancePtr->Config.BaseAddr, XDPRX_OVER_CTRL_DPCD,
0x01);
XDprx_WriteReg(InstancePtr->Config.BaseAddr, XDPRX_OVER_LINK_BW_SET,
LinkRate);
XDprx_WriteReg(InstancePtr->Config.BaseAddr, XDPRX_OVER_CTRL_DPCD,
0x00);
XDprx_WriteReg(InstancePtr->Config.BaseAddr, XDPRX_LOCAL_EDID_VIDEO,
0x01);
}
/******************************************************************************/ /******************************************************************************/
/** /**

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

@ -93,6 +93,7 @@ u32 XDprx_InitializeRx(XDprx *InstancePtr);
/* xdprx.c: General usage functions. */ /* xdprx.c: General usage functions. */
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_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);