xdptxss_zcu102_tx.h File Reference

Overview

 MODIFICATION HISTORY:

 Ver   Who     Date     Changes



 1.00  Nishant 19/12/20 Added suppport for vck190

 MODIFICATION HISTORY:

 Ver   Who  Date     Changes



 1.00  Kei  08/09/17 First Release

Functions
void	hpd_con (XDpTxSs *InstancePtr, u8 Edid_org[128], u8 Edid1_org[128], u16 res_update)
	This function is called when a Hot-Plug-Detect (HPD) event is received by the DisplayPort TX Subsystem core. More...
void	hpd_pulse_con (XDpTxSs *InstancePtr)
	This function is the main hpd pulse process. More...
char	xil_getc (u32 timeout_ms)
	This function to get uart input from user. More...
void	sendAudioInfoFrame (XilAudioInfoFrame *xilInfoFrame)
	This function to send Audio Information Frame. More...
void	Vpg_Audio_start (void)
	This function starts audio pattern generator. More...
void	Vpg_Audio_stop (void)
	This function stops audio pattern generator. More...
u32	start_tx (u8 line_rate, u8 lane_count, user_config_struct user_config)
	This function starts tx process. More...
u32	PHY_Configuration_Tx (XVphy *InstancePtr, XVphy_User_Config PHY_User_Config_Table)
	This function sets up PHY. More...
u32	set_vphy (int LineRate_init_tx)
	This function sets VPHY based on the linerate. More...
void	Vpg_VidgenSetUserPattern (XDp *InstancePtr, u8 Pattern)
	This function sets user pattern. More...
void	sink_power_down (void)
	This function powers down sink. More...
void	sink_power_up (void)
	This function powers down sink. More...
u8	get_LineRate (void)
	This function returns current line rate. More...
u8	get_Lanecounts (void)
	This function returns current lane counts. More...
void	sink_power_cycle (void)
	This function power cycle the sink. More...
int	VideoFMC_Init (void)
	This function will detect video resolution/frequency change Many GPUs won't re-train when only video res/freq change. More...
int	IDT_8T49N24x_SetClock (u32 I2CBaseAddress, u8 I2CSlaveAddress, int FIn, int FOut, u8 FreeRun)
	This function calculates and sets the IDT 8TN49N24x device with the given clock configuration. More...
int	IDT_8T49N24x_Init (u32 I2CBaseAddress, u8 I2CSlaveAddress)
	This function initializes the IDT 8TN49N24x with default values for use with the Video FMC. More...
int	TI_LMK03318_PowerDown (u32 I2CBaseAddress, u8 I2CSlaveAddress)
	This function puts the TI LMK03318 into sleep. More...

Function Documentation

u8 get_Lanecounts

(

void

)

This function returns current lane counts.

Parameters

None.

Returns

None.

Note

None.

References XDpTxSs::DpPtr.

u8 get_LineRate

(

void

)

This function returns current line rate.

Parameters

None.

Returns

None.

Note

None.

Referenced by DpPt_LinkrateChgHandler().

void hpd_con	(	XDpTxSs *	InstancePtr,
		u8	Edid_org[128],
		u8	Edid1_org[128],
		u16	res_update
	)

This function is called when a Hot-Plug-Detect (HPD) event is received by the DisplayPort TX Subsystem core.

Parameters

InstancePtr

is a pointer to the XDpTxSs instance.

Returns

None.

Note

Use the XDpTxSs_SetCallback driver function to set this function as the handler for HPD event.

References XDpTxSs::DpPtr, set_vphy(), XDpTxSs::UsrHpdEventData, Vpg_StreamSrcConfigure(), Vpg_VidgenSetUserPattern(), XDpTxSs_CheckLinkStatus(), XDpTxSs_SetBpc(), XDpTxSs_SetLaneCount(), XDpTxSs_SetLinkRate(), XDpTxSs_SetVidMode(), and XDpTxSs_Start().

void hpd_pulse_con

(

XDpTxSs *

InstancePtr

)

This function is the main hpd pulse process.

Returns

None.

Note

None.

References XDpTxSs::DpPtr, sink_power_cycle(), XDpTxSs::UsrHpdEventData, XDpTxSs::UsrHpdPulseData, XDpTxSs_SetLaneCount(), XDpTxSs_SetLinkRate(), and XDpTxSs_Start().

u32 PHY_Configuration_Tx	(	XVphy *	InstancePtr,
		XVphy_User_Config	PHY_User_Config_Table
	)

This function sets up PHY.

Parameters

pointer	to VideoPHY
User	Config table

Returns

• XST_SUCCESS if interrupt setup was successful.
• A specific error code defined in "xstatus.h" if an error occurs.

Note

None.

Referenced by DpPt_LinkrateChgHandler(), set_vphy(), and switch_to_Tx_only().

void sendAudioInfoFrame

(

XilAudioInfoFrame *

xilInfoFrame

)

This function to send Audio Information Frame.

Parameters

XilAudioInfoFrame

Returns

None.

Note

None.

References XDpTxSs::DpPtr.

u32 set_vphy

(

int

LineRate_init_tx

)

This function sets VPHY based on the linerate.

Parameters

user_config_struct.

Returns

Status.

Note

None.

References PHY_Configuration_Tx().

Referenced by DpPt_LinkrateChgHandler(), and hpd_con().

void sink_power_cycle

(

void

)

This function power cycle the sink.

Parameters

user_config_struct.

Returns

Status.

Note

None.

References sink_power_down(), and sink_power_up().

Referenced by DpPt_HpdEventHandler(), hpd_pulse_con(), start_tx(), and switch_to_Tx_only().

void sink_power_down

(

void

)

This function powers down sink.

Parameters

None.

Returns

None.

Note

None.

References XDpTxSs::DpPtr.

Referenced by DpPt_HpdEventHandler(), and sink_power_cycle().

void sink_power_up

(

void

)

This function powers down sink.

Parameters

None.

Returns

None.

Note

None.

References XDpTxSs::DpPtr.

Referenced by DpPt_HpdEventHandler(), and sink_power_cycle().

u32 start_tx	(	u8	line_rate,
		u8	lane_count,
		user_config_struct	user_config
	)

This function starts tx process.

Parameters

line	rate
lane	counts
pointer	to resolution table
bit	per components
video	pattern to output

Returns

• XST_SUCCESS if interrupt setup was successful.
• A specific error code defined in "xstatus.h" if an error occurs.

Note

None.

References clk_wiz_locked(), XDpTxSs::DpPtr, sink_power_cycle(), Vpg_StreamSrcConfigure(), Vpg_VidgenSetUserPattern(), XDpTxSs_CheckLinkStatus(), XDpTxSs_SetBpc(), XDpTxSs_SetLaneCount(), XDpTxSs_SetLinkRate(), and XDpTxSs_SetVidMode().

Referenced by switch_to_Tx_only().

int VideoFMC_Init

(

void

)

This function will detect video resolution/frequency change Many GPUs won't re-train when only video res/freq change.

Application needs to know if it changed and need to detect new parameter. Based on the parameter, re-set and re-start VDAM and Tx

Returns

None

This function will detect video resolution/frequency change Many GPUs won't re-train when only video res/freq change.

Parameters

None.

Returns

None.

Note

None.

void Vpg_Audio_start

(

void

)

This function starts audio pattern generator.

Returns

None.

Note

None.

void Vpg_Audio_stop

(

void

)

This function stops audio pattern generator.

Returns

None.

Note

None.

void Vpg_VidgenSetUserPattern	(	XDp *	InstancePtr,
		u8	Pattern
	)

This function sets user pattern.

Parameters

InstancePtr	is a pointer to the XDp instance.
Pattern	number to set with

Returns

None.

Note

None.

Referenced by detect_rx_video_and_startTx(), hpd_con(), start_tx(), switch_to_Tx_only(), and video_change_detect().

char xil_getc

(

u32

timeout_ms

)

This function to get uart input from user.

Parameters

timeout_ms

Returns

• received charactor

Note

None.

This function to get uart input from user.

Parameters

None.

Returns

None.

Note

None.

This function to get uart input from user

Parameters

timeout_ms

Returns

• received charactor

Note

None.

Referenced by xil_gethex().