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/******************************************************************************
*
* Copyright (C) 2018-2019 Xilinx, Inc. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* XILINX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Except as contained in this notice, the name of the Xilinx shall not be used
* in advertising or otherwise to promote the sale, use or other dealings in
* this Software without prior written authorization from Xilinx.
*
******************************************************************************/
/*****************************************************************************/
/**
*
* @file xrfdc_mts.c
* @addtogroup xrfdc_v6_0
* @{
*
* Contains the multi tile sync functions of the XRFdc driver.
*
* <pre>
* MODIFICATION HISTORY:
*
* Ver Who Date Changes
* ----- --- -------- -----------------------------------------------
* 3.1 jm 01/24/18 Initial release
* 3.2 jm 03/12/18 Fixed DAC latency calculation.
* jm 03/12/18 Added support for reloading DTC scans.
* jm 03/12/18 Add option to configure sysref capture after MTS.
* 4.0 sk 04/09/18 Added API to enable/disable the sysref.
* rk 04/17/18 Adjust calculated latency by sysref period, where doing
* so results in closer alignment to the target latency.
* 5.0 sk 08/03/18 Fixed MISRAC warnings.
* sk 08/03/18 Check for Block0 enable for tiles participating in MTS.
* sk 08/24/18 Reorganize the code to improve readability and
* optimization.
* 5.1 cog 01/29/19 Replace structure reference ADC checks with
* function.
* 6.0 cog 02/17/19 Added XRFdc_GetMTSEnable API.
*
* </pre>
*
******************************************************************************/
/***************************** Include Files *********************************/
#include "mpm/rfdc/xrfdc_mts.h"
/************************** Constant Definitions *****************************/
/**************************** Type Definitions *******************************/
/***************** Macros (Inline Functions) Definitions *********************/
/************************** Function Prototypes ******************************/
static void XRFdc_MTS_Sysref_TRx(XRFdc *InstancePtr, u32 Enable);
static void XRFdc_MTS_Sysref_Ctrl(XRFdc *InstancePtr, u32 Type, u32 Tile_Id,
u32 Is_PLL, u32 Enable_Cap, u32 Enable_Div_Reset);
static u32 XRFdc_MTS_Sysref_Dist(XRFdc *InstancePtr, int Num_DAC);
static u32 XRFdc_MTS_Sysref_Count(XRFdc *InstancePtr, u32 Type, u32 Count_Val);
static u32 XRFdc_MTS_Dtc_Scan(XRFdc *InstancePtr, u32 Type, u32 Tile_Id,
XRFdc_MTS_DTC_Settings *SettingsPtr);
static u32 XRFdc_MTS_Dtc_Code(XRFdc *InstancePtr, u32 Type, u32 BaseAddr,
u32 SRCtrlAddr, u32 DTCAddr, u16 SRctl, u16 SRclr_m, u32 Code);
static u32 XRFdc_MTS_Dtc_Calc(u32 Type, u32 Tile_Id,
XRFdc_MTS_DTC_Settings *SettingsPtr, u8 *FlagsPtr);
static void XRFdc_MTS_Dtc_Flag_Debug(u8 *FlagsPtr, u32 Type, u32 Tile_Id,
u32 Target, u32 Picked);
static void XRFdc_MTS_FIFOCtrl(XRFdc *InstancePtr, u32 Type, u32 FIFO_Mode,
u32 Tiles_To_Clear);
static u32 XRFdc_MTS_GetMarker(XRFdc *InstancePtr, u32 Type, u32 Tiles,
XRFdc_MTS_Marker *MarkersPtr, int Marker_Delay);
static void XRFdc_MTS_Marker_Read(XRFdc *InstancePtr, u32 Type, u32 Tile_Id,
u32 FIFO_Id, u32 *CountPtr, u32 *LocPtr, u32 *DonePtr);
static u32 XRFdc_MTS_Latency(XRFdc *InstancePtr, u32 Type,
XRFdc_MultiConverter_Sync_Config *ConfigPtr, XRFdc_MTS_Marker *MarkersPtr);
/*****************************************************************************/
/**
*
* This API enables the master tile sysref Tx/Rx
*
*
* @param InstancePtr is a pointer to the XRfdc instance.
* @param Enable the master tile sysref for Tx/Rx, valid values are 0 and 1.
*
* @return
* - None.
*
* @note None
*
******************************************************************************/
static void XRFdc_MTS_Sysref_TRx(XRFdc *InstancePtr, u32 Enable)
{
u32 BaseAddr;
u32 Data;
BaseAddr = XRFDC_DRP_BASE(XRFDC_DAC_TILE, 0) + XRFDC_HSCOM_ADDR;
Data = (Enable != 0U) ? 0xFFFFU : 0U;
XRFdc_ClrSetReg(InstancePtr, BaseAddr, XRFDC_MTS_SRCAP_T1,
XRFDC_MTS_SRCAP_EN_TRX_M, Data);
}
/*****************************************************************************/
/**
*
* This API Control SysRef Capture Settings
*
*
* @param InstancePtr is a pointer to the XRfdc instance.
* @param Type is ADC or DAC. 0 for ADC and 1 for DAC
* @param Tile_Id Valid values are 0-3.
* @param Is_PLL Valid values are 0 and 1.
* @param Enable_Cap Valid values are 0 and 1.
* @param Enable_Div_Reset Valid values are 0 and 1.
*
* @return
* - None.
*
* @note None
*
******************************************************************************/
static void XRFdc_MTS_Sysref_Ctrl(XRFdc *InstancePtr, u32 Type, u32 Tile_Id,
u32 Is_PLL, u32 Enable_Cap, u32 Enable_Div_Reset)
{
u32 BaseAddr;
u16 RegData;
RegData = 0U;
BaseAddr = XRFDC_DRP_BASE(Type, Tile_Id) + XRFDC_HSCOM_ADDR;
/* Write some bits to ensure sysref is in the right mode */
XRFdc_ClrSetReg(InstancePtr, BaseAddr, XRFDC_MTS_SRCAP_T1,
XRFDC_MTS_SRCAP_INIT_M, 0U);
if (Is_PLL != 0U) {
/* PLL Cap */
RegData = (Enable_Cap != 0U) ? XRFDC_MTS_SRCAP_PLL_M : 0U;
XRFdc_ClrSetReg(InstancePtr, BaseAddr, XRFDC_MTS_SRCAP_PLL,
XRFDC_MTS_SRCAP_PLL_M, RegData);
} else {
/* Analog Cap disable */
XRFdc_ClrSetReg(InstancePtr, BaseAddr, XRFDC_MTS_SRCAP_T1,
XRFDC_MTS_SRCAP_T1_EN, 0U);
/* Analog Divider */
RegData = (Enable_Div_Reset != 0U) ? 0U : XRFDC_MTS_SRCAP_T1_RST;
XRFdc_ClrSetReg(InstancePtr, BaseAddr, XRFDC_MTS_SRCAP_T1,
XRFDC_MTS_SRCAP_T1_RST, RegData);
/* Digital Divider */
RegData = (Enable_Div_Reset != 0U) ? 0U : XRFDC_MTS_SRCAP_DIG_M;
XRFdc_ClrSetReg(InstancePtr, BaseAddr, XRFDC_MTS_SRCAP_DIG,
XRFDC_MTS_SRCAP_DIG_M, RegData);
/* Set SysRef Cap Clear */
XRFdc_ClrSetReg(InstancePtr, BaseAddr, XRFDC_MTS_SRCAP_T1,
XRFDC_MTS_SRCLR_T1_M, XRFDC_MTS_SRCLR_T1_M);
/* Analog Cap enable */
RegData = (Enable_Cap != 0U) ? XRFDC_MTS_SRCAP_T1_EN : 0U;
XRFdc_ClrSetReg(InstancePtr, BaseAddr, XRFDC_MTS_SRCAP_T1,
XRFDC_MTS_SRCAP_T1_EN, RegData);
/* Unset SysRef Cap Clear */
XRFdc_ClrSetReg(InstancePtr, BaseAddr, XRFDC_MTS_SRCAP_T1,
XRFDC_MTS_SRCLR_T1_M, 0U);
}
}
/*****************************************************************************/
/**
*
* This API Update SysRef Distribution between tiles
*
*
* @param InstancePtr is a pointer to the XRfdc instance.
* @param Num_DAC is number of DAC tiles
*
* @return
* - XRFDC_MTS_OK if successful.
* - XRFDC_MTS_NOT_SUPPORTED
*
* @note None
*
******************************************************************************/
static u32 XRFdc_MTS_Sysref_Dist(XRFdc *InstancePtr, int Num_DAC)
{
if (Num_DAC < 0) {
/* Auto-detect. Only 2 types Supported - 2GSPS ADCs, 4GSPS ADCs */
if (XRFdc_IsHighSpeedADC(InstancePtr,0) != 0U) {
Num_DAC = 2;
} else {
Num_DAC = 4;
}
}
if (Num_DAC == XRFDC_NUM_OF_TILES2) {
/* 2 DACs, 4ADCs */
XRFdc_WriteReg16(InstancePtr, XRFDC_DAC_TILE_DRP_ADDR(0U),
XRFDC_MTS_SRDIST, 0xC980U);
XRFdc_WriteReg16(InstancePtr, XRFDC_DAC_TILE_DRP_ADDR(1U),
XRFDC_MTS_SRDIST, 0x0100U);
XRFdc_WriteReg16(InstancePtr, XRFDC_ADC_TILE_DRP_ADDR(3U),
XRFDC_MTS_SRDIST, 0x1700U);
} else if (Num_DAC == XRFDC_NUM_OF_TILES4) {
/* 4 DACs, 4ADCs */
XRFdc_WriteReg16(InstancePtr, XRFDC_DAC_TILE_DRP_ADDR(0U),
XRFDC_MTS_SRDIST, 0xCA80U);
XRFdc_WriteReg16(InstancePtr, XRFDC_DAC_TILE_DRP_ADDR(1U),
XRFDC_MTS_SRDIST, 0x2400U);
XRFdc_WriteReg16(InstancePtr, XRFDC_DAC_TILE_DRP_ADDR(2U),
XRFDC_MTS_SRDIST, 0x0980U);
XRFdc_WriteReg16(InstancePtr, XRFDC_DAC_TILE_DRP_ADDR(3U),
XRFDC_MTS_SRDIST, 0x0100U);
XRFdc_WriteReg16(InstancePtr, XRFDC_ADC_TILE_DRP_ADDR(3U),
XRFDC_MTS_SRDIST, 0x0700U);
} else {
return XRFDC_MTS_NOT_SUPPORTED;
}
XRFdc_WriteReg16(InstancePtr, XRFDC_ADC_TILE_DRP_ADDR(0U),
XRFDC_MTS_SRDIST, 0x0280U);
XRFdc_WriteReg16(InstancePtr, XRFDC_ADC_TILE_DRP_ADDR(1U),
XRFDC_MTS_SRDIST, 0x0600U);
XRFdc_WriteReg16(InstancePtr, XRFDC_ADC_TILE_DRP_ADDR(2U),
XRFDC_MTS_SRDIST, 0x8880U);
return XRFDC_MTS_OK;
}
/*****************************************************************************/
/**
*
* This API Wait for a number of sysref's to be captured
*
*
* @param InstancePtr is a pointer to the XRfdc instance.
* @param Type is ADC or DAC. 0 for ADC and 1 for DAC
* @param Count_Val to wait for a number of sysref's to be captured.
*
* @return
* - XRFDC_MTS_OK if successful.
* - XRFDC_MTS_TIMEOUT if timeout occurs.
*
* @note None
*
******************************************************************************/
static u32 XRFdc_MTS_Sysref_Count(XRFdc *InstancePtr, u32 Type, u32 Count_Val)
{
u32 RegData;
u32 Timeout;
u32 Shift;
RegData = (Type == XRFDC_DAC_TILE) ? 0x2U : 0x1U;
Shift = (Type == XRFDC_DAC_TILE) ? 8U : 0U;
/* Start counter */
XRFdc_WriteReg(InstancePtr, 0U, XRFDC_MTS_SRCOUNT_CTRL, RegData);
/* Check counter with timeout in case sysref is not active */
Timeout = 0U;
while (Timeout < XRFDC_MTS_SRCOUNT_TIMEOUT) {
RegData = XRFdc_ReadReg(InstancePtr, 0U, XRFDC_MTS_SRCOUNT_VAL);
RegData = ((RegData >> Shift) & XRFDC_MTS_SRCOUNT_M);
if (RegData >= Count_Val) {
break;
}
Timeout++;
}
if (Timeout >= XRFDC_MTS_SRCOUNT_TIMEOUT) {
metal_log(METAL_LOG_ERROR,
"PL SysRef Timeout - PL SysRef not active: %d\n in %s\n",
Timeout, __func__);
return XRFDC_MTS_TIMEOUT;
}
return XRFDC_MTS_OK;
}
/*****************************************************************************/
/**
*
* This API print the DTC scan results
*
*
* @param FlagsPtr is for internal usage.
* @param Type is ADC or DAC. 0 for ADC and 1 for DAC
* @param Tile_Id Valid values are 0-3.
* @param Target is for internal usage.
* @param Picked is for internal usage.
*
* @return None
*
* @note None
*
******************************************************************************/
static void XRFdc_MTS_Dtc_Flag_Debug(u8 *FlagsPtr, u32 Type, u32 Tile_Id,
u32 Target, u32 Picked)
{
u32 Index;
char buf[XRFDC_MTS_NUM_DTC+1];
for (Index = 0U; Index < XRFDC_MTS_NUM_DTC; Index++) {
if (Index == Picked) {
buf[Index] = '*';
} else if (Index == Target) {
buf[Index] = '#';
} else {
buf[Index] = '0' + FlagsPtr[Index];
}
}
buf[XRFDC_MTS_NUM_DTC] = '\0';
metal_log(METAL_LOG_INFO, "%s%d: %s\n",
(Type == XRFDC_DAC_TILE) ? "DAC" : "ADC", Tile_Id, buf);
(void)buf;
(void)Type;
(void)Tile_Id;
}
/*****************************************************************************/
/**
*
* This API Calculate the best DTC code to use
*
*
* @param Type is ADC or DAC. 0 for ADC and 1 for DAC
* @param Tile_Id Valid values are 0-3.
* @param SettingsPtr dtc settings structure.
* @param FlagsPtr is for internal usage.
*
* @return
* - XRFDC_MTS_OK if successful.
* - XRFDC_MTS_NOT_SUPPORTED if MTS is not supported.
*
* @note None
*
******************************************************************************/
static u32 XRFdc_MTS_Dtc_Calc(u32 Type, u32 Tile_Id,
XRFdc_MTS_DTC_Settings *SettingsPtr, u8 *FlagsPtr)
{
u32 Index, Status, Num_Found;
int Last, Current_Gap, Max_Overlap, Overlap_Cnt;
int Min_Gap, Max_Gap, Diff, Min_Diff, Min_Range, Val, Target;
u8 Min_Gap_Allowed;
int Codes[XRFDC_MTS_MAX_CODE] = {0};
Min_Gap_Allowed = (SettingsPtr->IsPLL != 0U) ? XRFDC_MTS_MIN_GAP_PLL :
XRFDC_MTS_MIN_GAP_T1;
Status = XRFDC_MTS_OK;
/* Scan the flags and find candidate DTC codes */
Num_Found = 0U;
Max_Gap = 0;
Min_Gap = XRFDC_MTS_NUM_DTC;
Max_Overlap = 0;
Overlap_Cnt = 0;
Last = -1;
FlagsPtr[XRFDC_MTS_NUM_DTC] = 1;
for (Index = 0U; Index <= XRFDC_MTS_NUM_DTC; Index++) {
Current_Gap = Index-Last;
if (FlagsPtr[Index] != 0) {
if (Current_Gap > Min_Gap_Allowed) {
Codes[Num_Found] = Last + (Current_Gap / 2);
Num_Found++;
/* Record max/min gaps */
Current_Gap--;
if (Current_Gap > Max_Gap) {
Max_Gap = Current_Gap;
}
if (Current_Gap < Min_Gap) {
Min_Gap = Current_Gap;
}
}
Last = Index;
}
/* check for the longest run of overlapping codes */
if (FlagsPtr[Index] == 3U) {
Overlap_Cnt++;
if (Overlap_Cnt > Max_Overlap) {
Max_Overlap = Overlap_Cnt;
}
} else {
Overlap_Cnt = 0;
}
}
/* Record some stats */
SettingsPtr->Num_Windows[Tile_Id] = Num_Found;
SettingsPtr->Max_Gap[Tile_Id] = Max_Gap;
SettingsPtr->Min_Gap[Tile_Id] = Min_Gap;
SettingsPtr->Max_Overlap[Tile_Id] = Max_Overlap;
/* Calculate the best code */
if (SettingsPtr->Scan_Mode == XRFDC_MTS_SCAN_INIT) {
/* Initial scan */
if (Tile_Id == SettingsPtr->RefTile) {
/* RefTile: Get the code closest to the target */
Target = XRFDC_MTS_REF_TARGET;
SettingsPtr->Target[Tile_Id] = XRFDC_MTS_REF_TARGET;
Min_Diff = XRFDC_MTS_NUM_DTC;
/* scan all codes to find the closest */
for (Index = 0U; Index < Num_Found; Index++) {
Diff = abs(Target - Codes[Index]);
if (Diff < Min_Diff) {
Min_Diff = Diff;
SettingsPtr->DTC_Code[Tile_Id] = Codes[Index];
}
metal_log(METAL_LOG_DEBUG,
"Target %d, DTC Code %d, Diff %d, Min %d\n", Target,
Codes[Index], Diff, Min_Diff);
}
/* set the reference code as the target for the other tiles */
for (Index = 0U; Index < 4U; Index++) {
if (Index != Tile_Id) {
SettingsPtr->Target[Index] = SettingsPtr->DTC_Code[Tile_Id];
}
}
metal_log(METAL_LOG_DEBUG,
"RefTile (%d): DTC Code Target %d, Picked %d\n", Tile_Id,
Target, SettingsPtr->DTC_Code[Tile_Id]);
} else {
/*
* Other Tiles: Get the code that minimises the total range of codes
* compute the range of the existing dtc codes
*/
Max_Gap = 0;
Min_Gap = XRFDC_MTS_NUM_DTC;
for (Index = XRFDC_TILE_ID0; Index < XRFDC_TILE_ID4; Index++) {
Val = SettingsPtr->DTC_Code[Index];
if ((Val != -1) && (Val > Max_Gap)) {
Max_Gap = Val;
}
if ((Val != -1) && (Val < Min_Gap)) {
Min_Gap = Val;
}
}
metal_log(METAL_LOG_DEBUG,
"Tile (%d): Max/Min %d/%d, Range %d\n", Tile_Id, Max_Gap,
Min_Gap, Max_Gap-Min_Gap);
Min_Range = XRFDC_MTS_NUM_DTC;
for (Index = 0U; Index < Num_Found; Index++) {
Val = Codes[Index];
Diff = Max_Gap - Min_Gap;
if (Val < Min_Gap) {
Diff = Max_Gap - Val;
}
if (Val > Max_Gap) {
Diff = Val - Min_Gap;
}
if (Diff <= Min_Range) {
Min_Range = Diff;
SettingsPtr->DTC_Code[Tile_Id] = Val;
}
metal_log(METAL_LOG_DEBUG,
"Tile (%d): Code %d, New-Range: %d, Min-Range: %d\n",
Tile_Id, Val, Diff, Min_Range);
}
metal_log(METAL_LOG_DEBUG,
"Tile (%d): Code %d, Range Prev %d, New %d\n", Tile_Id,
SettingsPtr->DTC_Code[Tile_Id], Max_Gap-Min_Gap, Min_Range);
}
} else {
/* Reload the results of an initial scan to seed a new scan */
if (Tile_Id == SettingsPtr->RefTile) {
/* RefTile: Get code closest to the target */
Target = SettingsPtr->Target[Tile_Id];
} else {
Target = SettingsPtr->DTC_Code[SettingsPtr->RefTile] +
SettingsPtr->Target[Tile_Id] - SettingsPtr->Target[SettingsPtr->RefTile];
}
Min_Diff = XRFDC_MTS_NUM_DTC;
/* scan all codes to find the closest */
for (Index = 0U; Index < Num_Found; Index++) {
Diff = abs(Target - Codes[Index]);
if (Diff < Min_Diff) {
Min_Diff = Diff;
SettingsPtr->DTC_Code[Tile_Id] = Codes[Index];
}
metal_log(METAL_LOG_DEBUG,
"Reload Target %d, DTC Code %d, Diff %d, Min %d\n", Target,
Codes[Index], Diff, Min_Diff);
}
}
/* Print some debug info */
XRFdc_MTS_Dtc_Flag_Debug(FlagsPtr, Type, Tile_Id, SettingsPtr->Target[Tile_Id],
SettingsPtr->DTC_Code[Tile_Id]);
return Status;
}
/*****************************************************************************/
/**
*
* This API Set a DTC code and wait for it to be updated. Return early/late
* flags, if set
*
*
* @param InstancePtr is a pointer to the XRfdc instance.
* @param Type is ADC or DAC. 0 for ADC and 1 for DAC
* @param BaseAddr is for internal usage.
* @param SRCtrlAddr is for internal usage.
* @param DTCAddr is for internal usage.
* @param SRctl is for internal usage.
* @param SRclr_m is for internal usage.
* @param Code is for internal usage.
*
* @return
* - XRFDC_MTS_OK if successful.
* - XRFDC_MTS_TIMEOUT if timeout occurs.
*
* @note None
*
******************************************************************************/
static u32 XRFdc_MTS_Dtc_Code(XRFdc *InstancePtr, u32 Type, u32 BaseAddr,
u32 SRCtrlAddr, u32 DTCAddr, u16 SRctl, u16 SRclr_m, u32 Code)
{
u32 Status;
/* set the DTC code */
XRFdc_WriteReg16(InstancePtr, BaseAddr, DTCAddr, Code);
/* set sysref cap clear */
XRFdc_WriteReg16(InstancePtr, BaseAddr, SRCtrlAddr, SRctl | SRclr_m);
/* unset sysref cap clear */
XRFdc_WriteReg16(InstancePtr, BaseAddr, SRCtrlAddr, SRctl);
Status = XRFdc_MTS_Sysref_Count(InstancePtr, Type, XRFDC_MTS_DTC_COUNT);
return Status;
}
/*****************************************************************************/
/**
*
* This API Scan the DTC codes and determine the optimal capture code for
* both PLL and T1 cases
*
*
* @param InstancePtr is a pointer to the XRfdc instance.
* @param Type is ADC or DAC. 0 for ADC and 1 for DAC
* @param Tile_Id Valid values are 0-3.
* @param SettingsPtr dtc settings structure.
*
* @return
* - XRFDC_MTS_OK if successful.
* - XRFDC_MTS_TIMEOUT if timeout occurs.
*
* @note None
*
******************************************************************************/
static u32 XRFdc_MTS_Dtc_Scan (XRFdc *InstancePtr, u32 Type, u32 Tile_Id,
XRFdc_MTS_DTC_Settings *SettingsPtr)
{
u32 Status;
u32 BaseAddr;
u32 SRCtrlAddr;
u32 DTCAddr;
u8 Flags[XRFDC_MTS_NUM_DTC+1];
u16 SRctl;
u16 SRclr_m;
u16 Flag_s;
u32 Index;
BaseAddr = XRFDC_DRP_BASE(Type, Tile_Id) + XRFDC_HSCOM_ADDR;
Status = XRFDC_MTS_OK;
/* Enable SysRef Capture and Disable Divide Reset */
XRFdc_MTS_Sysref_Ctrl(InstancePtr, Type, Tile_Id, SettingsPtr->IsPLL, 1, 0);
SRCtrlAddr = (SettingsPtr->IsPLL != 0U) ? XRFDC_MTS_SRCAP_PLL : XRFDC_MTS_SRCAP_T1;
DTCAddr = (SettingsPtr->IsPLL != 0U) ? XRFDC_MTS_SRDTC_PLL : XRFDC_MTS_SRDTC_T1;
SRclr_m = (SettingsPtr->IsPLL != 0U) ? XRFDC_MTS_SRCLR_PLL_M : XRFDC_MTS_SRCLR_T1_M;
Flag_s = (SettingsPtr->IsPLL != 0U) ? XRFDC_MTS_SRFLAG_PLL : XRFDC_MTS_SRFLAG_T1;
SRctl = XRFdc_ReadReg16(InstancePtr, BaseAddr, SRCtrlAddr) & ~SRclr_m;
for (Index = 0U; Index < XRFDC_MTS_NUM_DTC; Index++) {
Flags[Index] = 0U;
}
for (Index = 0U; (Index < XRFDC_MTS_NUM_DTC) && (Status == XRFDC_MTS_OK); Index++) {
Status |= XRFdc_MTS_Dtc_Code(InstancePtr, Type, BaseAddr,
SRCtrlAddr, DTCAddr, SRctl, SRclr_m, Index);
Flags[Index] = (XRFdc_ReadReg16(InstancePtr, BaseAddr, XRFDC_MTS_SRFLAG) >>
Flag_s) & 0x3U;
}
/* Calculate the best DTC code */
(void)XRFdc_MTS_Dtc_Calc(Type, Tile_Id, SettingsPtr, Flags);
/* Program the calculated code */
if (SettingsPtr->DTC_Code[Tile_Id] == -1) {
metal_log(METAL_LOG_ERROR,
"Unable to capture analog SysRef safely on %s tile %d\n"
, (Type == XRFDC_ADC_TILE) ? "ADC" : "DAC", Tile_Id);
Status |= XRFDC_MTS_DTC_INVALID;
} else {
(void)XRFdc_MTS_Dtc_Code(InstancePtr, Type, BaseAddr, SRCtrlAddr, DTCAddr,
SRctl, SRclr_m, SettingsPtr->DTC_Code[Tile_Id]);
}
if (SettingsPtr->IsPLL != 0U) {
/* PLL - Disable SysRef Capture */
XRFdc_MTS_Sysref_Ctrl(InstancePtr, Type, Tile_Id, 1, 0, 0);
} else {
/* T1 - Reset Dividers */
XRFdc_MTS_Sysref_Ctrl(InstancePtr, Type, Tile_Id, 0, 1, 1);
Status |= XRFdc_MTS_Sysref_Count(InstancePtr, Type,
XRFDC_MTS_DTC_COUNT);
XRFdc_MTS_Sysref_Ctrl(InstancePtr, Type, Tile_Id, 0, 1, 0);
}
return Status;
}
/*****************************************************************************/
/**
*
* This API Control the FIFO enable for the group. If Tiles_to_clear has bits
* set, the FIFOs of those tiles will have their FIFO flags cleared.
*
*
* @param InstancePtr is a pointer to the XRfdc instance.
* @param Type is ADC or DAC. 0 for ADC and 1 for DAC
* @param FIFO_Mode is fifo mode.
* @param Tiles_To_Clear bits set, FIFO flags will be cleared for those tiles.
*
* @return None
*
* @note None
*
******************************************************************************/
static void XRFdc_MTS_FIFOCtrl (XRFdc *InstancePtr, u32 Type, u32 FIFO_Mode,
u32 Tiles_To_Clear)
{
u32 RegAddr;
u32 BaseAddr;
u32 Tile_Id;
u32 Block_Id;
/* Clear the FIFO Flags */
RegAddr = (Type == XRFDC_ADC_TILE) ? XRFDC_ADC_FABRIC_ISR_OFFSET :
XRFDC_DAC_FABRIC_ISR_OFFSET;
for (Tile_Id = XRFDC_TILE_ID0; Tile_Id < XRFDC_TILE_ID4; Tile_Id++) {
if (((1U << Tile_Id) & Tiles_To_Clear) != 0U) {
for (Block_Id = XRFDC_BLK_ID0; Block_Id < XRFDC_BLK_ID4; Block_Id++) {
BaseAddr = XRFDC_DRP_BASE(Type, Tile_Id) +
XRFDC_BLOCK_ADDR_OFFSET(Block_Id);
XRFdc_WriteReg16(InstancePtr, BaseAddr, RegAddr,
XRFDC_IXR_FIFOUSRDAT_MASK);
}
}
}
/* Enable the FIFOs */
RegAddr = (Type == XRFDC_ADC_TILE) ? XRFDC_MTS_FIFO_CTRL_ADC :
XRFDC_MTS_FIFO_CTRL_DAC;
XRFdc_WriteReg(InstancePtr, 0, RegAddr, FIFO_Mode);
}
/*****************************************************************************/
/**
*
* This API Read-back the marker data for an ADC or DAC
*
*
* @param InstancePtr is a pointer to the XRfdc instance.
* @param Type is ADC or DAC. 0 for ADC and 1 for DAC
* @param Tile_Id Valid values are 0-3.
* @param FIFO_Id is FIFO number.
* @param Count is for internal usage.
* @param Loc is for internal usage.
* @param Done is for internal usage.
*
* @return
* - None.
*
* @note None
*
******************************************************************************/
static void XRFdc_MTS_Marker_Read(XRFdc *InstancePtr, u32 Type, u32 Tile_Id,
u32 FIFO_Id, u32 *CountPtr, u32 *LocPtr, u32 *DonePtr)
{
u32 BaseAddr;
u32 RegData = 0x0;
if (Type == XRFDC_ADC_TILE) {
BaseAddr = XRFDC_DRP_BASE(Type, Tile_Id) - 0x2000;
RegData = XRFdc_ReadReg(InstancePtr, BaseAddr,
XRFDC_MTS_ADC_MARKER_CNT+(FIFO_Id << 2));
*CountPtr = XRFDC_MTS_FIELD(RegData, XRFDC_MTS_AMARK_CNT_M, 0);
*LocPtr = XRFDC_MTS_FIELD(RegData, XRFDC_MTS_AMARK_LOC_M,
XRFDC_MTS_AMARK_LOC_S);
*DonePtr = XRFDC_MTS_FIELD(RegData, XRFDC_MTS_AMARK_DONE_M,
XRFDC_MTS_AMARK_DONE_S);
} else {
BaseAddr = XRFDC_DRP_BASE(Type, Tile_Id) +
XRFDC_BLOCK_ADDR_OFFSET(FIFO_Id);
*CountPtr = XRFdc_ReadReg(InstancePtr, BaseAddr,
XRFDC_MTS_DAC_MARKER_CNT);
*LocPtr = XRFdc_ReadReg(InstancePtr, BaseAddr,
XRFDC_MTS_DAC_MARKER_LOC);
*DonePtr = 1;
}
metal_log(METAL_LOG_DEBUG,
"Marker Read Tile %d, FIFO %d - %08X = %04X: count=%d, loc=%d,"
"done=%d\n", Tile_Id, FIFO_Id, BaseAddr, RegData, *CountPtr,
*LocPtr, *DonePtr);
}
/*****************************************************************************/
/**
*
* This API Run the marker counter and read the results
*
*
* @param InstancePtr is a pointer to the XRfdc instance.
* @param Type is ADC or DAC. 0 for ADC and 1 for DAC
* @param Tiles is tiles to get marker
* @param MarkersPtr mts marker structure.
* @param Marker_Delay is marker delay.
*
* @return
* - XRFDC_MTS_OK if successful.
* - XRFDC_MTS_TIMEOUT if timeout occurs.
* - XRFDC_MTS_MARKER_RUN
* - XRFDC_MTS_MARKER_MISM
* -
*
* @note None
*
******************************************************************************/
static u32 XRFdc_MTS_GetMarker(XRFdc *InstancePtr, u32 Type, u32 Tiles,
XRFdc_MTS_Marker *MarkersPtr, int Marker_Delay)
{
u32 Done;
u32 Count;
u32 Loc;
u32 Tile_Id;
u32 Block_Id;
u32 Status;
Status = XRFDC_MTS_OK;
if (Type == XRFDC_ADC_TILE) {
/* Reset marker counter */
XRFdc_WriteReg(InstancePtr, 0, XRFDC_MTS_ADC_MARKER, 1);
XRFdc_WriteReg(InstancePtr, 0, XRFDC_MTS_ADC_MARKER, 0);
} else {
/*
* SysRef Capture should be still active from the DTC Scan
* but set it anyway to be sure
*/
for (Tile_Id = XRFDC_TILE_ID0; Tile_Id < XRFDC_TILE_ID4; Tile_Id++) {
if (((1U << Tile_Id) & Tiles) != 0U) {
XRFdc_MTS_Sysref_Ctrl(InstancePtr, XRFDC_DAC_TILE,
Tile_Id, 0, 1, 0);
}
}
/* Set marker delay */
XRFdc_WriteReg(InstancePtr, 0, XRFDC_MTS_DAC_MARKER_CTRL,
Marker_Delay);
}
/* Allow the marker counter to run */
Status |= XRFdc_MTS_Sysref_Count(InstancePtr, Type,
XRFDC_MTS_MARKER_COUNT);
/* Read master FIFO (FIFO0 in each Tile) */
for (Tile_Id = XRFDC_TILE_ID0; Tile_Id < XRFDC_TILE_ID4; Tile_Id++) {
if (((1U << Tile_Id) & Tiles) != 0U) {
if (Type == XRFDC_DAC_TILE) {
/* Disable SysRef Capture before reading it */
XRFdc_MTS_Sysref_Ctrl(InstancePtr, XRFDC_DAC_TILE,
Tile_Id, 0, 0, 0);
Status |= XRFdc_MTS_Sysref_Count(InstancePtr, Type,
XRFDC_MTS_MARKER_COUNT);
}
XRFdc_MTS_Marker_Read(InstancePtr, Type, Tile_Id, 0, &Count,
&Loc, &Done);
MarkersPtr->Count[Tile_Id] = Count;
MarkersPtr->Loc[Tile_Id] = Loc;
metal_log(METAL_LOG_INFO,
"%s%d: Marker: - %d, %d\n", (Type == XRFDC_DAC_TILE) ?
"DAC":"ADC", Tile_Id, MarkersPtr->Count[Tile_Id], MarkersPtr->Loc[Tile_Id]);
if ((!Done) != 0U) {
metal_log(METAL_LOG_ERROR, "Analog SysRef timeout,"
"SysRef not detected on %s tile %d\n",
(Type == XRFDC_ADC_TILE) ? "ADC" : "DAC", Tile_Id);
Status |= XRFDC_MTS_MARKER_RUN;
}
/*
* Check all enabled FIFOs agree with the master FIFO.
* This is optional.
*/
for (Block_Id = XRFDC_BLK_ID0; Block_Id < XRFDC_BLK_ID4; Block_Id++) {
if (XRFdc_IsFifoEnabled(InstancePtr, Type, Tile_Id, Block_Id) != 0U) {
XRFdc_MTS_Marker_Read(InstancePtr, Type, Tile_Id, Block_Id,
&Count, &Loc, &Done);
if ((MarkersPtr->Count[Tile_Id] != Count) ||
(MarkersPtr->Loc[Tile_Id] != Loc)) {
metal_log(METAL_LOG_DEBUG,
"Tile %d, FIFO %d Marker != Expected: %d, %d vs"
"%d, %d\n", Tile_Id, Block_Id, MarkersPtr->Count[Tile_Id],
MarkersPtr->Loc[Tile_Id], Count, Loc);
metal_log(METAL_LOG_ERROR,
"SysRef capture mismatch on %s tile %d,"
" PL SysRef may not have been"
" captured synchronously\n",
(Type == XRFDC_ADC_TILE) ? "ADC" : "DAC", Block_Id);
Status |= XRFDC_MTS_MARKER_MISM;
}
}
}
}
}
return Status;
}
/*****************************************************************************/
/**
*
* This API Calculate the absoulte/relative latencies
*
*
* @param InstancePtr is a pointer to the XRfdc instance.
* @param Type is ADC or DAC. 0 for ADC and 1 for DAC
* @param ConfigPtr is mts config structure.
* @param MarkersPtr is mts marker structure.
*
* @return
* - XRFDC_MTS_OK if successful.
* - XRFDC_MTS_DELAY_OVER
* - XRFDC_MTS_TARGET_LOW
* -
*
* @note Latency calculation will use Sysref frequency counters
* logic which will work with IP version 2.0.1 and above.
*
******************************************************************************/
static u32 XRFdc_MTS_Latency(XRFdc *InstancePtr, u32 Type,
XRFdc_MultiConverter_Sync_Config *ConfigPtr, XRFdc_MTS_Marker *MarkersPtr)
{
u32 Status, Fifo, Index, BaseAddr, RegAddr;
int Count_W, Loc_W, Latency, Offset, Max_Latency, Target, Delta;
int I_Part, F_Part, SysRefT1Period, LatencyDiff, LatencyOffset;
u32 RegData, SysRefFreqCntrDone;
int Target_Latency = -1;
int LatencyOffsetDiff;
u32 Factor = 1U;
u32 Write_Words = 0U;
u32 Read_Words = 1U;
Status = XRFDC_MTS_OK;
if (Type == XRFDC_ADC_TILE) {
(void)XRFdc_GetDecimationFactor(InstancePtr, ConfigPtr->RefTile, 0, &Factor);
} else {
(void)XRFdc_GetInterpolationFactor(InstancePtr, ConfigPtr->RefTile, 0, &Factor);
(void)XRFdc_GetFabWrVldWords(InstancePtr, Type, ConfigPtr->RefTile, 0, &Write_Words);
}
(void)XRFdc_GetFabRdVldWords(InstancePtr, Type, ConfigPtr->RefTile, 0, &Read_Words);
Count_W = Read_Words * Factor;
Loc_W = Factor;
metal_log(METAL_LOG_DEBUG,
"Count_W %d, loc_W %d\n", Count_W, Loc_W);
/* Find the individual latencies */
Max_Latency = 0;
/* Determine relative SysRef frequency */
RegData = XRFdc_ReadReg(InstancePtr, 0, XRFDC_MTS_SRFREQ_VAL);
if (Type == XRFDC_ADC_TILE) {
/* ADC SysRef frequency information contained in lower 16 bits */
RegData = RegData & 0XFFFFU;
} else {
/* DAC SysRef frequency information contained in upper 16 bits */
RegData = (RegData >> 16U) & 0XFFFFU;
}
/*
* Ensure SysRef frequency counter has completed.
* Sysref frequency counters logic will work with IP version
* 2.0.1 and above.
*/
SysRefFreqCntrDone = RegData & 0x1U;
if (SysRefFreqCntrDone == 0U) {
metal_log(METAL_LOG_ERROR, "Error : %s SysRef frequency counter not yet done\n",
(Type == XRFDC_ADC_TILE) ? "ADC" : "DAC");
Status |= XRFDC_MTS_SYSREF_FREQ_NDONE;
/* Set SysRef period in terms of T1's will not be used */
SysRefT1Period = 0;
} else {
SysRefT1Period = (RegData >> 1) * Count_W;
if (Type == XRFDC_DAC_TILE) {
/*
* DAC marker counter is on the tile clock domain so need
* to update SysRef period accordingly
*/
SysRefT1Period = (SysRefT1Period * Write_Words) / Read_Words;
}
metal_log(METAL_LOG_INFO, "SysRef period in terms of %s T1s = %d\n",
(Type == XRFDC_ADC_TILE) ? "ADC" : "DAC", SysRefT1Period);
}
/* Work out the latencies */
for (Index = XRFDC_TILE_ID0; Index < XRFDC_TILE_ID4; Index++) {
if (((1U << Index) & ConfigPtr->Tiles) != 0U) {
Latency = (MarkersPtr->Count[Index] * Count_W) + (MarkersPtr->Loc[Index] * Loc_W);
/* Set marker counter target on first tile */
if (Target_Latency < 0) {
Target_Latency = ConfigPtr->Target_Latency;
if (Target_Latency < 0) {
Target_Latency = Latency;
}
metal_log(METAL_LOG_INFO, "%s target latency = %d\n",
(Type == XRFDC_ADC_TILE) ? "ADC" : "DAC", Target_Latency);
}
/*
* Adjust reported counter values if offsetting by a SysRef
* period reduces distance between current and target latencies
*/
LatencyDiff = Target_Latency - Latency;
LatencyOffset = (LatencyDiff > 0) ? (Latency + SysRefT1Period) :
(Latency - SysRefT1Period);
LatencyOffsetDiff = Target_Latency - LatencyOffset;
if (abs(LatencyDiff) > abs(LatencyOffsetDiff)) {
Latency = LatencyOffset;
metal_log(METAL_LOG_INFO, "%s%d latency offset by a SysRef period to %d\n",
(Type == XRFDC_ADC_TILE) ? "ADC" : "DAC", Index, Latency);
}
ConfigPtr->Latency[Index] = Latency;
if (Latency > Max_Latency) {
Max_Latency = Latency;
}
metal_log(METAL_LOG_DEBUG, "Tile %d, latency %d, max %d\n",
Index, Latency, Max_Latency);
}
}
/*
* Adjust the latencies to meet the target. Choose max, if it
* is not supplied by the user.
*/
Target = (ConfigPtr->Target_Latency < 0) ? Max_Latency :
ConfigPtr->Target_Latency;
if (Target < Max_Latency) {
/* Cannot correct for -ve latencies, so default to aligning */
Target = Max_Latency;
metal_log(METAL_LOG_ERROR, "Error : %s alignment target latency of %d < minimum possible %d\n",
(Type == XRFDC_ADC_TILE) ? "ADC" : "DAC", Target, Max_Latency);
Status |= XRFDC_MTS_TARGET_LOW;
}
for (Index = XRFDC_TILE_ID0; Index < XRFDC_TILE_ID4; Index++) {
if (((1U << Index) & ConfigPtr->Tiles) != 0U) {
Delta = Target - ConfigPtr->Latency[Index];
if (Delta < 0) {
Delta = 0;
}
I_Part = Delta / Factor;
F_Part = Delta % Factor;
Offset = I_Part;
if (F_Part > (int)(Factor / 2U)) {
Offset++;
}
metal_log(METAL_LOG_DEBUG,
"Target %d, Tile %d, delta %d, i/f_part %d/%d, offset %d\n",
Target, Index, Delta, I_Part, F_Part, Offset * Factor);
/* check for excessive delay correction values */
if (Offset > (int)XRFDC_MTS_DELAY_MAX) {
Offset = (int)XRFDC_MTS_DELAY_MAX;
metal_log(METAL_LOG_ERROR,
"Alignment correction delay %d"
" required exceeds maximum for %s Tile %d\n",
Offset, (Type == XRFDC_ADC_TILE) ? "ADC" : "DAC",
XRFDC_MTS_DELAY_MAX, Index);
Status |= XRFDC_MTS_DELAY_OVER;
}
/* Adjust the latency, write the same value to each FIFO */
BaseAddr = XRFDC_DRP_BASE(Type, Index) - 0x2000;
for (Fifo = XRFDC_BLK_ID0; Fifo < XRFDC_BLK_ID4; Fifo++) {
RegAddr = XRFDC_MTS_DELAY_CTRL + (Fifo << 2);
RegData = XRFdc_ReadReg(InstancePtr, BaseAddr, RegAddr);
RegData = XRFDC_MTS_RMW(RegData, XRFDC_MTS_DELAY_VAL_M,
Offset);
XRFdc_WriteReg(InstancePtr, BaseAddr, RegAddr, RegData);
}
/* Report the total latency for this tile */
ConfigPtr->Latency[Index] = ConfigPtr->Latency[Index] + (Offset * Factor);
ConfigPtr->Offset[Index] = Offset;
/* Set the Final SysRef Capture Enable state */
XRFdc_MTS_Sysref_Ctrl(InstancePtr, Type, Index, 0, ConfigPtr->SysRef_Enable, 0);
}
}
return Status;
}
/*****************************************************************************/
/**
*
* This API is used to enable/disable the sysref.
*
*
* @param InstancePtr is a pointer to the XRfdc instance.
* @param DACSyncConfigPtr is pointer to DAC Multi-Tile Sync config structure.
* @param ADCSyncConfigPtr is pointer to ADC Multi-Tile Sync config structure.
* @param SysRefEnable valid values are 0(disable) and 1(enable).
*
* @return
* - XRFDC_MTS_OK if successful.
*
* @note None
*
******************************************************************************/
u32 XRFdc_MTS_Sysref_Config(XRFdc *InstancePtr,
XRFdc_MultiConverter_Sync_Config *DACSyncConfigPtr,
XRFdc_MultiConverter_Sync_Config *ADCSyncConfigPtr, u32 SysRefEnable)
{
u32 Tile;
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(DACSyncConfigPtr != NULL);
Xil_AssertNonvoid(ADCSyncConfigPtr != NULL);
/* Enable/disable SysRef Capture on all DACs participating in MTS */
for (Tile = XRFDC_TILE_ID0; Tile < XRFDC_TILE_ID4; Tile++) {
if (((1U << Tile) & DACSyncConfigPtr->Tiles) != 0U) {
XRFdc_MTS_Sysref_Ctrl(InstancePtr,
XRFDC_DAC_TILE, Tile, 0, SysRefEnable, 0);
}
}
/* Enable/Disable SysRef Capture on all ADCs participating in MTS */
for (Tile = XRFDC_TILE_ID0; Tile < XRFDC_TILE_ID4; Tile++) {
if (((1U << Tile) & ADCSyncConfigPtr->Tiles) != 0U) {
XRFdc_MTS_Sysref_Ctrl(InstancePtr,
XRFDC_ADC_TILE, Tile, 0, SysRefEnable, 0);
}
}
/* Enable/Disable SysRef TRX */
XRFdc_MTS_Sysref_TRx(InstancePtr, SysRefEnable);
return XRFDC_MTS_OK;
}
/*****************************************************************************/
/**
*
* This API Initializes the multi-tile sync config structures.
* Optionally allows target codes to be provided for the Pll/T1
* analog sysref capture
*
* @param ConfigPtr pointer to Multi-tile sync config structure.
* @param PLL_CodesPtr pointer to PLL analog sysref capture.
* @param T1_CodesPtr pointer to T1 analog sysref capture.
*
* @return None
*
* @note None
*
******************************************************************************/
void XRFdc_MultiConverter_Init(XRFdc_MultiConverter_Sync_Config *ConfigPtr,
int *PLL_CodesPtr, int *T1_CodesPtr)
{
u32 Index;
Xil_AssertVoid(ConfigPtr != NULL);
ConfigPtr->RefTile = 0U;
ConfigPtr->DTC_Set_PLL.Scan_Mode = (PLL_CodesPtr == NULL) ?
XRFDC_MTS_SCAN_INIT : XRFDC_MTS_SCAN_RELOAD;
ConfigPtr->DTC_Set_T1.Scan_Mode = (T1_CodesPtr == NULL) ?
XRFDC_MTS_SCAN_INIT : XRFDC_MTS_SCAN_RELOAD;
ConfigPtr->DTC_Set_PLL.IsPLL = 1U;
ConfigPtr->DTC_Set_T1.IsPLL = 0U;
ConfigPtr->Target_Latency = -1;
ConfigPtr->Marker_Delay = 15;
ConfigPtr->SysRef_Enable = 1; /* By default enable Sysref capture after MTS */
/* Initialize variables per tile */
for (Index = XRFDC_TILE_ID0; Index < XRFDC_TILE_ID4; Index++) {
if (PLL_CodesPtr != NULL) {
ConfigPtr->DTC_Set_PLL.Target[Index] = PLL_CodesPtr[Index];
} else {
ConfigPtr->DTC_Set_PLL.Target[Index] = 0;
}
if (T1_CodesPtr != NULL) {
ConfigPtr->DTC_Set_T1.Target[Index] = T1_CodesPtr[Index];
} else {
ConfigPtr->DTC_Set_T1.Target[Index] = 0;
}
ConfigPtr->DTC_Set_PLL.DTC_Code[Index] = -1;
ConfigPtr->DTC_Set_T1.DTC_Code[Index] = -1;
}
}
/*****************************************************************************/
/**
*
* This is the top level API which will be used for Multi-tile
* Synchronization.
*
*
* @param InstancePtr is a pointer to the XRfdc instance.
* @param Type is ADC or DAC. 0 for ADC and 1 for DAC
* @param ConfigPtr Multi-tile sync config structure.
*
* @return
* - XRFDC_MTS_OK if successful.
* - XRFDC_MTS_TIMEOUT if timeout occurs.
* - XRFDC_MTS_MARKER_RUN
* - XRFDC_MTS_MARKER_MISM
* - XRFDC_MTS_NOT_SUPPORTED if MTS is not supported.
*
* @note None
*
******************************************************************************/
u32 XRFdc_MultiConverter_Sync(XRFdc *InstancePtr, u32 Type,
XRFdc_MultiConverter_Sync_Config *ConfigPtr)
{
u32 Status;
u32 Index;
u32 RegData;
XRFdc_IPStatus IPStatus = {0};
XRFdc_MTS_Marker Markers = {0U};
u32 BaseAddr;
u32 TileState;
u32 BlockStatus;
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(ConfigPtr != NULL);
Status = XRFDC_MTS_OK;
(void)XRFdc_GetIPStatus(InstancePtr, &IPStatus);
for (Index = XRFDC_TILE_ID0; Index < XRFDC_TILE_ID4; Index++) {
if ((ConfigPtr->Tiles & (1U << Index)) != 0U) {
TileState = (Type == XRFDC_DAC_TILE) ?
IPStatus.DACTileStatus[Index].TileState :
IPStatus.ADCTileStatus[Index].TileState ;
if (TileState != 0xFU) {
metal_log(METAL_LOG_ERROR,
"%s tile %d in Multi-Tile group not started\n",
(Type == XRFDC_ADC_TILE) ? "ADC" : "DAC", Index);
Status |= XRFDC_MTS_IP_NOT_READY;
}
BaseAddr = XRFDC_DRP_BASE(Type, Index) - XRFDC_TILE_DRP_OFFSET;
RegData = XRFdc_ReadReg(InstancePtr, BaseAddr, XRFDC_MTS_DLY_ALIGNER);
if (RegData == 0U) {
metal_log(METAL_LOG_ERROR, "%s tile %d is not enabled for MTS, check IP configuration\n",
(Type == XRFDC_ADC_TILE) ? "ADC" : "DAC", Index);
Status |= XRFDC_MTS_NOT_ENABLED;
}
BlockStatus = XRFdc_CheckBlockEnabled(InstancePtr, Type, Index, 0x0U);
if (BlockStatus != 0U) {
metal_log(METAL_LOG_ERROR, "%s%d block0 is not enabled, check IP configuration\n",
(Type == XRFDC_ADC_TILE) ? "ADC" : "DAC", Index);
Status |= XRFDC_MTS_NOT_SUPPORTED;
}
}
}
if (Status != XRFDC_MTS_OK) {
return Status;
}
/* Disable the FIFOs */
XRFdc_MTS_FIFOCtrl(InstancePtr, Type, XRFDC_MTS_FIFO_DISABLE, 0);
/* Enable SysRef Rx */
XRFdc_MTS_Sysref_TRx(InstancePtr, 1);
/* Update distribution */
Status |= XRFdc_MTS_Sysref_Dist(InstancePtr, -1);
/* Scan DTCs for each tile */
for (Index = XRFDC_TILE_ID0; Index < XRFDC_TILE_ID4; Index++) {
if ((ConfigPtr->Tiles & (1U << Index)) != 0U) {
/* Run DTC Scan for T1/PLL */
BaseAddr = XRFDC_DRP_BASE(Type, Index) + XRFDC_HSCOM_ADDR;
RegData = XRFdc_ReadReg16(InstancePtr, BaseAddr,
XRFDC_MTS_CLKSTAT);
if ((RegData & XRFDC_MTS_PLLEN_M) != 0U) {
/* DTC Scan PLL */
if (Index == 0U) {
metal_log(METAL_LOG_INFO, "\nDTC Scan PLL\n", 0);
}
ConfigPtr->DTC_Set_PLL.RefTile = ConfigPtr->RefTile;
Status |= XRFdc_MTS_Dtc_Scan(InstancePtr, Type, Index,
&ConfigPtr->DTC_Set_PLL);
}
}
}
/* Scan DTCs for each tile T1 */
metal_log(METAL_LOG_INFO, "\nDTC Scan T1\n", 0);
for (Index = XRFDC_TILE_ID0; Index < XRFDC_TILE_ID4; Index++) {
if ((ConfigPtr->Tiles & (1U << Index)) != 0U) {
ConfigPtr->DTC_Set_T1 .RefTile = ConfigPtr->RefTile;
Status |= XRFdc_MTS_Dtc_Scan(InstancePtr, Type, Index,
&ConfigPtr->DTC_Set_T1);
}
}
/* Enable FIFOs */
XRFdc_MTS_FIFOCtrl(InstancePtr, Type, XRFDC_MTS_FIFO_ENABLE,
ConfigPtr->Tiles);
/* Measure latency */
Status |= XRFdc_MTS_GetMarker(InstancePtr, Type, ConfigPtr->Tiles,
&Markers, ConfigPtr->Marker_Delay);
/* Calculate latency difference and adjust for it */
Status |= XRFdc_MTS_Latency(InstancePtr, Type, ConfigPtr, &Markers);
return Status;
}
/*****************************************************************************/
/**
*
* This is the top level API which will be used to check if Multi-tile
* is enabled.
*
*
* @param InstancePtr is a pointer to the XRfdc instance.
* @param Type is ADC or DAC. 0 for ADC and 1 for DAC.
* @param Tile_Id indicates Tile number (0-3).
* @param EnablePtr to be filled with the enable state.
*
* @return
* - XRFDC_SUCCESS if successful.
* - XRFDC_SUCCESS if error occurs.
*
* @note None
*
******************************************************************************/
u32 XRFdc_GetMTSEnable(XRFdc *InstancePtr, u32 Type,u32 Tile_Id, u32 *EnablePtr)
{
u32 RegData;
u32 BaseAddr;
u32 Status;
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(EnablePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XRFDC_COMPONENT_IS_READY);
Status = XRFdc_CheckTileEnabled(InstancePtr, Type, Tile_Id);
if (Status != XRFDC_SUCCESS) {
metal_log(METAL_LOG_ERROR,
"\n Requested Tile not "
"available in %s\r\n",
__func__);
goto RETURN_PATH;
}
BaseAddr = XRFDC_DRP_BASE(Type, Tile_Id) - XRFDC_TILE_DRP_OFFSET;
RegData = XRFdc_ReadReg(InstancePtr, BaseAddr, XRFDC_MTS_DLY_ALIGNER);
if (RegData == 0) {
*EnablePtr = 0;
} else {
*EnablePtr = 1;
}
Status = XRFDC_SUCCESS;
RETURN_PATH:
return Status;
}
/** @} */
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