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dptx: Moved functions related to retrieval of EDID information into xdptx_edid.c

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Consolidated the functions that obtain the base EDID block into the EDID utility
file.

Signed-off-by: Andrei-Liviu Simion <andrei.simion@xilinx.com>
This commit is contained in:
Andrei-Liviu Simion 2014-11-04 14:44:20 -08:00 • committed by Suneel Garapati
parent f2ad8b171d
commit d49f9f84fc
4 changed files with 77 additions and 77 deletions
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33
XilinxProcessorIPLib/drivers/dptx/src/xdptx.c
View file

@ -348,39 +348,6 @@ u32 XDptx_GetRxCapabilities(XDptx *InstancePtr)
return XST_SUCCESS;
}
/******************************************************************************/
/**
* This function retrieves the RX device's Extended Display Identification Data
* (EDID).
*
* @param InstancePtr is a pointer to the XDptx instance.
* @param Edid is a pointer to the Edid buffer to save to.
*
* @return
* - XST_SUCCESS if the I2C transactions to read the EDID were
* successful.
* - XST_ERROR_COUNT_MAX if the EDID read request timed out.
* - XST_DEVICE_NOT_FOUND if no RX device is connected.
* - XST_FAILURE otherwise.
*
* @note None.
*
*******************************************************************************/
u32 XDptx_GetEdid(XDptx *InstancePtr, u8 *Edid)
{
u32 Status;
/* Verify arguments. */
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
Xil_AssertNonvoid(Edid != NULL);
Status = XDptx_IicRead(InstancePtr, XDPTX_EDID_ADDR, 0,
XDPTX_EDID_BLOCK_SIZE, Edid);
return Status;
}
/******************************************************************************/
/**
* This function determines the common capabilities between the DisplayPort TX

6
XilinxProcessorIPLib/drivers/dptx/src/xdptx.h
View file

@ -744,7 +744,6 @@ u32 XDptx_InitializeTx(XDptx *InstancePtr);
void XDptx_CfgInitialize(XDptx *InstancePtr, XDptx_Config *ConfigPtr,
u32 EffectiveAddr);
u32 XDptx_GetRxCapabilities(XDptx *InstancePtr);
u32 XDptx_GetEdid(XDptx *InstancePtr, u8 *Edid);
/* xdptx.c: Link policy maker functions. */
u32 XDptx_CfgMainLinkMax(XDptx *InstancePtr);
@ -875,10 +874,11 @@ void XDptx_WriteGuid(XDptx *InstancePtr, u8 LinkCountTotal, u8 *RelativeAddress,
u32 Guid[4]);
void XDptx_GetGuid(XDptx *InstancePtr, u8 LinkCountTotal, u8 *RelativeAddress,
u32 *Guid);
u32 XDptx_GetRemoteEdid(XDptx *InstancePtr, u8 LinkCountTotal,
u8 *RelativeAddress, u8 *Edid);
/* xdptx_edid.c: EDID utility functions. */
u32 XDptx_GetEdid(XDptx *InstancePtr, u8 *Edid);
u32 XDptx_GetRemoteEdid(XDptx *InstancePtr, u8 LinkCountTotal,
u8 *RelativeAddress, u8 *Edid);
u32 XDptx_GetEdidBlock(XDptx *InstancePtr, u8 *Data, u8 BlockNum);
u32 XDptx_GetRemoteEdidBlock(XDptx *InstancePtr, u8 *Data, u8 BlockNum,
u8 LinkCountTotal, u8 *RelativeAddress);

74
XilinxProcessorIPLib/drivers/dptx/src/xdptx_edid.c
View file

@ -55,6 +55,80 @@
/**************************** Function Definitions ****************************/
/******************************************************************************/
/**
* This function retrieves an immediately connected RX device's Extended Display
* Identification Data (EDID) structure.
*
* @param InstancePtr is a pointer to the XDptx instance.
* @param Edid is a pointer to the Edid buffer to save to.
*
* @return
* - XST_SUCCESS if the I2C transactions to read the EDID were
* successful.
* - XST_ERROR_COUNT_MAX if the EDID read request timed out.
* - XST_DEVICE_NOT_FOUND if no RX device is connected.
* - XST_FAILURE otherwise.
*
* @note None.
*
*******************************************************************************/
u32 XDptx_GetEdid(XDptx *InstancePtr, u8 *Edid)
{
u32 Status;
/* Verify arguments. */
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
Xil_AssertNonvoid(Edid != NULL);
Status = XDptx_IicRead(InstancePtr, XDPTX_EDID_ADDR, 0,
XDPTX_EDID_BLOCK_SIZE, Edid);
return Status;
}
/******************************************************************************/
/**
* This function retrieves a remote RX device's Extended Display Identification
* Data (EDID) structure.
*
* @param InstancePtr is a pointer to the XDptx instance.
* @param LinkCountTotal is the number of DisplayPort links from the
* DisplayPort source to the target DisplayPort device.
* @param RelativeAddress is the relative address from the DisplayPort
* source to the target DisplayPort device.
* @param Edid is a pointer to the Edid buffer to save to.
*
* @return
* - XST_SUCCESS if the I2C transactions to read the EDID were
* successful.
* - XST_ERROR_COUNT_MAX if the EDID read request timed out.
* - XST_DEVICE_NOT_FOUND if no RX device is connected.
* - XST_FAILURE otherwise.
*
* @note None.
*
*******************************************************************************/
u32 XDptx_GetRemoteEdid(XDptx *InstancePtr, u8 LinkCountTotal,
u8 *RelativeAddress, u8 *Edid)
{
u32 Status;
/* Verify arguments. */
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
Xil_AssertNonvoid(LinkCountTotal > 0);
Xil_AssertNonvoid((RelativeAddress != NULL) || (LinkCountTotal == 1));
Xil_AssertNonvoid(Edid != NULL);
Status = XDptx_RemoteIicRead(InstancePtr, LinkCountTotal,
RelativeAddress, XDPTX_EDID_ADDR, 0, XDPTX_EDID_BLOCK_SIZE,
Edid);
return Status;
}
u32 XDptx_GetEdidBlock(XDptx *InstancePtr, u8 *Data, u8 BlockNum)
{
u32 Status;

41
XilinxProcessorIPLib/drivers/dptx/src/xdptx_mst.c
View file

@ -2044,47 +2044,6 @@ void XDptx_GetGuid(XDptx *InstancePtr, u8 LinkCountTotal, u8 *RelativeAddress,
}
}
/******************************************************************************/
/**
* This function retrieves a remote RX device's Extended Display Identification
* Data (EDID).
*
* @param InstancePtr is a pointer to the XDptx instance.
* @param LinkCountTotal is the number of DisplayPort links from the
* DisplayPort source to the target DisplayPort device.
* @param RelativeAddress is the relative address from the DisplayPort
* source to the target DisplayPort device.
* @param Edid is a pointer to the Edid buffer to save to.
*
* @return
* - XST_SUCCESS if the I2C transactions to read the EDID were
* successful.
* - XST_ERROR_COUNT_MAX if the EDID read request timed out.
* - XST_DEVICE_NOT_FOUND if no RX device is connected.
* - XST_FAILURE otherwise.
*
* @note None.
*
*******************************************************************************/
u32 XDptx_GetRemoteEdid(XDptx *InstancePtr, u8 LinkCountTotal,
u8 *RelativeAddress, u8 *Edid)
{
u32 Status;
/* Verify arguments. */
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
Xil_AssertNonvoid(LinkCountTotal > 0);
Xil_AssertNonvoid((RelativeAddress != NULL) || (LinkCountTotal == 1));
Xil_AssertNonvoid(Edid != NULL);
Status = XDptx_RemoteIicRead(InstancePtr, LinkCountTotal,
RelativeAddress, XDPTX_EDID_ADDR, 0, XDPTX_EDID_BLOCK_SIZE,
Edid);
return Status;
}
/******************************************************************************/
/**
* This function will check whether or not a DisplayPort device has a global