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video_common: Removed extra DP159 register programming

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This patch does
	- add bit error count function,
	- remove extra DP159 programming as per DP159 programming guide,
	- modify DP159 enum config type.

Signed-off-by: Shadul Shaikh <shaduls@xilinx.com>
Acked-by: Andrei-Liviu Simion <andrei.simion@xilinx.com>
This commit is contained in:
Shadul Shaikh 2015-08-11 20:07:15 +05:30 • committed by Nava kishore Manne
parent ab0e0327d9
commit 894b8a57a8
2 changed files with 76 additions and 9 deletions
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80
XilinxProcessorIPLib/drivers/video_common/src/xvidc_dp159.c
View file

@ -42,14 +42,17 @@
* MODIFICATION HISTORY:
*
* Ver Who Date Changes
* ---- --- -------- -----------------------------------------------------
* ---- --- -------- ---------------------------------------------------------
* 1.00 sha 07/13/15 Initial release.
* 1.00 sha 08/11/15 Removed extra DP159 register programming as per new DP159
* programming guide. Added bit error count function.
* </pre>
*
******************************************************************************/
/***************************** Include Files *********************************/
#include "xil_printf.h"
#include "xvidc_dp159.h"
/************************** Constant Definitions *****************************/
@ -100,11 +103,9 @@ const XVidC_Dp159Data Dp159Values [] = {
{0x4D, 0x08},
{0x4C, 0x01},
{0x34, 0x01},
{0x3C, 0x04},
{0x32, 0xF0},
{0x32, 0x00},
{0x33, 0xF0},
{0x30, 0xE0},
{0xFF, 0x00},
{0x0A, 0x3B},
{0xFF, 0x01}
@ -133,7 +134,7 @@ u32 XVidC_Dp159Initialize(XIic *InstancePtr)
/* Verify argument. */
Xil_AssertNonvoid(InstancePtr != NULL);
for (Index = 0x0; Index < 39; Index++) {
for (Index = 0x0; Index < 37; Index++) {
XVidC_Dp159Write(InstancePtr, XVIDC_DP159_IIC_SLAVE,
Dp159Values[Index].Dp159Offset,
Dp159Values[Index].Dp159Value);
@ -261,7 +262,7 @@ void XVidC_Dp159Config(XIic *InstancePtr, u8 ConfigType, u8 LinkRate,
Xil_AssertVoid((ConfigType == XVIDC_DP159_CT_TP1) ||
(ConfigType == XVIDC_DP159_CT_TP2) ||
(ConfigType == XVIDC_DP159_CT_TP3) ||
(ConfigType == XVIDC_DP159_CT_PWR));
(ConfigType == XVIDC_DP159_CT_UNPLUG));
Xil_AssertVoid((LinkRate == XVIDC_DP159_RBR) ||
(LinkRate == XVIDC_DP159_HBR) ||
(LinkRate == XVIDC_DP159_HBR2));
@ -294,8 +295,6 @@ void XVidC_Dp159Config(XIic *InstancePtr, u8 ConfigType, u8 LinkRate,
0xC3:0x0F;
LRate = (LinkRate == XVIDC_DP159_HBR2)? 0x0:
(LinkRate == XVIDC_DP159_HBR) ? 0x1 : 0x2;
XVidC_Dp159Write(InstancePtr, XVIDC_DP159_IIC_SLAVE,
0x02, 0x3F);
/* Enable RX lanes */
XVidC_Dp159Write(InstancePtr, XVIDC_DP159_IIC_SLAVE,
@ -402,7 +401,7 @@ void XVidC_Dp159Config(XIic *InstancePtr, u8 ConfigType, u8 LinkRate,
0xFF, 0x01);
break;
case XVIDC_DP159_CT_PWR:
case XVIDC_DP159_CT_UNPLUG:
/*Enable bandgap, disable PLL, clear A_LOCK_OVR */
XVidC_Dp159Write(InstancePtr, XVIDC_DP159_IIC_SLAVE,
0x00, 0x02);
@ -476,5 +475,70 @@ void XVidC_Dp159Reset(XIic *InstancePtr, u8 Reset)
XIic_WriteReg(InstancePtr->BaseAddress, 0x124, 0x1);
}
}
/*****************************************************************************/
/**
*
* This function prints the bit error encountered in DP159.
*
* @param InstancePtr is a pointer to the XIic instance.
*
* @return None.
*
* @note None.
*
******************************************************************************/
void XVidC_Dp159BitErrCount(XIic *InstancePtr)
{
u8 Data;
/* Verify argument. */
Xil_AssertVoid(InstancePtr != NULL);
/* Select page 0 */
XVidC_Dp159Write(InstancePtr, XVIDC_DP159_IIC_SLAVE, 0xFF, 0x00);
/* Read TST_INT/Q */
XVidC_Dp159Read(InstancePtr, XVIDC_DP159_IIC_SLAVE, 0x17, &Data);
xil_printf("TST_INT/Q : %d\n\r", Data);
/* BERT counter0[7:0] */
XVidC_Dp159Read(InstancePtr, XVIDC_DP159_IIC_SLAVE, 0x18, &Data);
xil_printf("BERT counter0[7:0] : %d\n\r", Data);
/* BERT counter0[11:8] */
XVidC_Dp159Read(InstancePtr, XVIDC_DP159_IIC_SLAVE, 0x19, &Data);
xil_printf("BERT counter0[11:8] : %d\n\r", Data);
/* BERT counter1[7:0] */
XVidC_Dp159Read(InstancePtr, XVIDC_DP159_IIC_SLAVE, 0x1A, &Data);
xil_printf("BERT counter0[7:0] : %d\n\r", Data);
/* BERT counter1[11:8] */
XVidC_Dp159Read(InstancePtr, XVIDC_DP159_IIC_SLAVE, 0x1B, &Data);
xil_printf("BERT counter0[11:8] : %d\n\r", Data);
/* BERT counter2[7:0] */
XVidC_Dp159Read(InstancePtr, XVIDC_DP159_IIC_SLAVE, 0x1C, &Data);
xil_printf("BERT counter2[7:0] : %d\n\r", Data);
/* BERT counter2[11:8] */
XVidC_Dp159Read(InstancePtr, XVIDC_DP159_IIC_SLAVE, 0x1D, &Data);
xil_printf("BERT counter2[11:8] : %d\n\r", Data);
/* BERT counter3[7:0] */
XVidC_Dp159Read(InstancePtr, XVIDC_DP159_IIC_SLAVE, 0x1E, &Data);
xil_printf("BERT counter3[7:0] : %d\n\r", Data);
/* BERT counter3[11:8] */
XVidC_Dp159Read(InstancePtr, XVIDC_DP159_IIC_SLAVE, 0x1F, &Data);
xil_printf("BERT counter3[11:8] : %d\n\r", Data);
/* Clear BERT counters and TST_INTQ latches - Self-clearing in DP159 */
XVidC_Dp159Write(InstancePtr, XVIDC_DP159_IIC_SLAVE, 0x15, 0x18);
/* Select page 1 */
XVidC_Dp159Write(InstancePtr, XVIDC_DP159_IIC_SLAVE, 0xFF, 0x01);
}
#endif /* End of XPAR_XIIC_NUM_INSTANCES */
/** @} */

5
XilinxProcessorIPLib/drivers/video_common/src/xvidc_dp159.h
View file

@ -45,6 +45,8 @@
* Ver Who Date Changes
* ---- --- -------- -----------------------------------------------------
* 1.00 sha 07/13/15 Initial release.
* 1.00 sha 08/11/15 Modified XVIDC_DP159_CT_PWR -> XVIDC_DP159_CT_UNPLUG.
* Added bit error count function.
* </pre>
*
******************************************************************************/
@ -102,7 +104,7 @@ typedef enum {
XVIDC_DP159_CT_TP1 = 1, /**< DP159 training pattern 1 */
XVIDC_DP159_CT_TP2, /**< DP159 training pattern 2 */
XVIDC_DP159_CT_TP3, /**< DP159 training pattern 1 */
XVIDC_DP159_CT_PWR /**< DP159 power */
XVIDC_DP159_CT_UNPLUG /**< DP159 unplug */
} XVidC_Dp159ConfigType;
/**
@ -130,6 +132,7 @@ u32 XVidC_Dp159Read(XIic *InstancePtr, u8 IicSlaveAddr, u8 Dp159RegOffset,
void XVidC_Dp159Config(XIic *InstancePtr, u8 ConfigType, u8 LinkRate,
u8 LaneCount);
void XVidC_Dp159Reset(XIic *InstancePtr, u8 Reset);
void XVidC_Dp159BitErrCount(XIic *InstancePtr);
#endif /* End of XPAR_XIIC_NUM_INSTANCES */
/************************** Variable Declarations ****************************/