/**
* This function will setup and initialize the DisplayPort RX core. The core's
* configuration parameters will be retrieved based on the configuration
* to the DisplayPort RX core instance with the specified device ID.
*
* @param InstancePtr is a pointer to the XDp instance.
* @param DeviceId is the unique device ID of the DisplayPort RX core
* instance.
*
* @return
* - XST_SUCCESS if the device configuration was found and obtained
* and if the main link was successfully established.
* - XST_FAILURE otherwise.
*
* @note None.
*
*******************************************************************************/
static u32 Dprx_SetupExample(XDp *InstancePtr, u16 DeviceId)
{
XDp_Config *ConfigPtr;
u32 Status;
/* Obtain the device configuration for the DisplayPort RX core. */
ConfigPtr = XDp_LookupConfig(DeviceId);
if (!ConfigPtr) {
return XST_FAILURE;
}
/* Copy the device configuration into the InstancePtr's Config
* structure. */
XDp_CfgInitialize(InstancePtr, ConfigPtr, ConfigPtr->BaseAddr);
XDp_RxSetLaneCount(InstancePtr, InstancePtr->Config.MaxLaneCount);
XDp_RxSetLinkRate(InstancePtr, InstancePtr->Config.MaxLinkRate);
/* Initialize the DisplayPort RX core. */
Status = XDp_Initialize(InstancePtr);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
return XST_SUCCESS;
}
/**
* The main entry point for the selftest example using the XDp driver. This
* function will check whether or not the DisplayPort TX's registers are at
* their default reset values to ensure that the core is in a known and working
* state.
*
* @param InstancePtr is a pointer to the XDp instance.
* @param DeviceId is the unique device ID of the DisplayPort TX core
* instance.
*
* @return
* - XST_SUCCESS if the DisplayPort TX's registers are at their
* default reset values.
* - XST_FAILURE if the DisplayPort TX's registers do not match
* their default values or no DisplayPort TX instance was found.
*
* @note None.
*
*******************************************************************************/
u32 Dp_SelfTestExample(XDp *InstancePtr, u16 DeviceId)
{
u32 Status;
XDp_Config *ConfigPtr;
/* Obtain the device configuration for the DisplayPort TX core. */
ConfigPtr = XDp_LookupConfig(DeviceId);
if (!ConfigPtr) {
return XST_FAILURE;
}
/* Copy the device configuration into the InstancePtr's Config
* structure. */
XDp_CfgInitialize(InstancePtr, ConfigPtr, ConfigPtr->BaseAddr);
/* Run the self test. */
Status = XDp_SelfTest(InstancePtr);
return Status;
}