embeddedsw/XilinxProcessorIPLib/drivers/sysmon/src/xsysmon.c
Subbaraya Sundeep Bhatta e9b9bfa933 sysmon: Added support for Ultrascale
Added support for Ultrascale sysmon

Signed-off-by: Subbaraya Sundeep Bhatta <sbhatta@xilinx.com>
Acked-by: Srikanth Vemula <svemula@xilinx.com>
2014-09-02 11:21:15 +05:30

1894 lines
61 KiB
C
Executable file

/******************************************************************************
*
* Copyright (C) 2007 - 2014 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
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* 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.
*
* Use of the Software is limited solely to applications:
* (a) running on a Xilinx device, or
* (b) that interact with a Xilinx device through a bus or interconnect.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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******************************************************************************/
/****************************************************************************/
/**
*
* @file xsysmon.c
*
* This file contains the driver API functions that can be used to access
* the System Monitor/ADC device.
*
* Refer to the xsysmon.h header file for more information about this driver.
*
* @note None.
*
* <pre>
*
* MODIFICATION HISTORY:
*
* Ver Who Date Changes
* ----- ----- -------- -----------------------------------------------------
* 1.00a xd/sv 05/22/07 First release
* 2.00a sv 07/07/08 Modified the ADC data functions to return 16 bits of
* data.
* 3.00a sdm 09/02/09 Added APIs for V6 SysMon.
* 4.00a ktn 10/22/09 Updated the file to use the HAL processor APIs/macros.
* The macros have been renamed to remove _m from the name
* of the macro.
* 5.00a sdm 06/15/11 Added support for XADC (7 Series Families).
* 5.01a bss 02/28/12 Added support for Zynq.
* 5.02a bss 11/23/12 Added XSysMon_EnableTempUpdate,
* XSysMon_DisableTempUpdate and XSysMon_SetTempWaitCycles
* APIs (CR #679872)
* 5.03a bss 04/25/13 Modified XSysMon_SetSeqChEnables,
* XSysMon_SetSeqAvgEnables, XSysMon_SetSeqInputMode
* and XSysMon_SetSeqAcqTime APIs to check for Safe Mode
* instead of Single Channel mode. CR #703729
* 7.0 bss 7/25/14 Modified XSysMon_GetAdcData,
* XSysMon_GetMinMaxMeasurement,
* XSysMon_SetSingleChParams, XSysMon_SetAlarmEnables,
* XSysMon_GetAlarmEnables,XSysMon_SetSeqChEnables,
* XSysMon_GetSeqChEnables,XSysMon_SetSeqAvgEnables,
* XSysMon_GetSeqAvgEnables,XSysMon_SetAlarmThreshold
* and XSysMon_GetAlarmThreshold to support Ultrascale
* </pre>
*
*****************************************************************************/
/***************************** Include Files ********************************/
#include "xsysmon.h"
/************************** Constant Definitions ****************************/
/**************************** Type Definitions ******************************/
/***************** Macros (Inline Functions) Definitions ********************/
/************************** Function Prototypes *****************************/
/************************** Variable Definitions ****************************/
/*****************************************************************************/
/**
*
* This function initializes a specific XSysMon device/instance. This function
* must be called prior to using the System Monitor/ADC device.
*
* @param InstancePtr is a pointer to the XSysMon instance.
* @param ConfigPtr points to the XSysMon device configuration structure.
* @param EffectiveAddr is the device base address in the virtual memory
* address space. If the address translation is not used then the
* physical address is passed.
* Unexpected errors may occur if the address mapping is changed
* after this function is invoked.
*
* @return
* - XST_SUCCESS if successful.
*
* @note The user needs to first call the XSysMon_LookupConfig() API
* which returns the Configuration structure pointer which is
* passed as a parameter to the XSysMon_CfgInitialize() API.
*
******************************************************************************/
int XSysMon_CfgInitialize(XSysMon *InstancePtr, XSysMon_Config *ConfigPtr,
u32 EffectiveAddr)
{
/*
* Assert the input arguments.
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(ConfigPtr != NULL);
/*
* Set the values read from the device config and the base address.
*/
InstancePtr->Config.DeviceId = ConfigPtr->DeviceId;
InstancePtr->Config.BaseAddress = EffectiveAddr;
InstancePtr->Config.IncludeInterrupt = ConfigPtr->IncludeInterrupt;
/* Store the default Waitcycles value in Mask */
InstancePtr->Mask = XSM_CONVST_WAITCYCLES_DEFAULT <<
XSM_CONVST_WAITCYCLES_SHIFT;
/*
* Indicate the instance is now ready to use, initialized without error
*/
InstancePtr->IsReady = XIL_COMPONENT_IS_READY;
/*
* Reset the device such that it is in a known state.
*/
XSysMon_Reset(InstancePtr);
return XST_SUCCESS;
}
/*****************************************************************************/
/**
*
* This function forces the software reset of the complete SystemMonitor/ADC
* Hard Macro and the SYSMON ADC Core Logic.
*
*
* @param InstancePtr is a pointer to the XSysMon instance.
*
* @return None.
*
* @note The Control registers in the SystemMonitor/ADC Hard Macro
* are not affected by this reset, only the Status registers
* are reset.
* Refer to the device data sheet for the device status and
* register values after the reset.
* Use the XSysMon_ResetAdc() to reset only the SystemMonitor/ADC
* Hard Macro.
*
******************************************************************************/
void XSysMon_Reset(XSysMon *InstancePtr)
{
/*
* Assert the arguments.
*/
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* Write the reset value to the Software Reset Register (SRR) to
* Reset the device.
*/
XSysMon_WriteReg(InstancePtr->Config.BaseAddress, XSM_SRR_OFFSET,
XSM_SRR_IPRST_MASK);
}
/****************************************************************************/
/**
*
* The functions reads the contents of the Status Register.
*
* @param InstancePtr is a pointer to the XSysMon instance.
*
* @return A 32-bit value representing the contents of the Status Register.
* Use the XSM_SR_*_MASK constants defined in xsysmon_hw.h to
* interpret the returned value.
*
* @note None.
*
*****************************************************************************/
u32 XSysMon_GetStatus(XSysMon *InstancePtr)
{
/*
* Assert the arguments.
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* Read the Status Register and return the value.
*/
return XSysMon_ReadReg(InstancePtr->Config.BaseAddress, XSM_SR_OFFSET);
}
/****************************************************************************/
/**
*
* This function reads the contents of Alarm Output Register.
*
* @param InstancePtr is a pointer to the XSysMon instance.
*
* @return A 32-bit value read from the Alarm Output Register.
* Use the XSM_AOR_*_MASK constants defined in xsysmon_hw.h to
* interpret the value.
*
* @note None.
*
*****************************************************************************/
u32 XSysMon_GetAlarmOutputStatus(XSysMon *InstancePtr)
{
/*
* Assert the arguments.
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* Read the Alarm Output Register and return the value.
*/
return (XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_AOR_OFFSET) & XSM_AOR_ALARM_ALL_MASK);
}
/****************************************************************************/
/**
*
* This function starts the ADC conversion in the Single Channel event driven
* sampling mode. The EOC bit in Status Register will be set once the conversion
* is finished. Refer to the device specification for more details.
*
* @param InstancePtr is a pointer to the XSysMon instance.
*
* @return None.
*
* @note The default state of the CONVST bit is a logic 0. The conversion
* is started when the CONVST bit is set to 1 from 0.
* This bit is cleared in this function so that the next conversion
* can be started by setting this bit.
*
*****************************************************************************/
void XSysMon_StartAdcConversion(XSysMon *InstancePtr)
{
u32 RegVal;
/*
* Assert the arguments.
*/
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/* Modify only CONVST bit using the InstancePtr->Mask, which
stores previously written value in CONVST register */
RegVal = (InstancePtr->Mask) | XSM_CONVST_CONVST_MASK;
/*
* Start the conversion by setting the CONVST bit to 1 and to 0.
*/
XSysMon_WriteReg(InstancePtr->Config.BaseAddress,
XSM_CONVST_OFFSET, RegVal);
RegVal = (InstancePtr->Mask) & ~(XSM_CONVST_CONVST_MASK);
XSysMon_WriteReg(InstancePtr->Config.BaseAddress,
XSM_CONVST_OFFSET, RegVal);
}
/*****************************************************************************/
/**
*
* This function resets the SystemMonitor/ADC Hard Macro in the device.
*
* @param InstancePtr is a pointer to the XSysMon instance.
*
* @return None.
*
* @note The Control registers in the SystemMonitor/ADC Hard Macro
* are not affected by this reset, only the Status registers
* are reset.
* This reset causes the ADC to begin with a new conversion.
* Refer to the device data sheet for the device status and
* register values after the reset.
* Use the XSysMon_Reset() API to reset both the SystemMonitor/ADC
* Hard Macro and the SYSMON ADC Core Logic.
*
******************************************************************************/
void XSysMon_ResetAdc(XSysMon *InstancePtr)
{
/*
* Assert the arguments.
*/
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* Set the reset bit to the ADC Reset Register (ARR) to
* put the SystemMonitor/ADC Hard Macro in Reset.
*/
XSysMon_WriteReg(InstancePtr->Config.BaseAddress, XSM_ARR_OFFSET,
XSM_ARR_RST_MASK);
/*
* Clear the reset bit to the ADC Reset Register (ARR) to
* release the reset of SystemMonitor/ADC Hard Macro.
*/
XSysMon_WriteReg(InstancePtr->Config.BaseAddress, XSM_ARR_OFFSET, 0x0);
}
/****************************************************************************/
/**
*
* Get the ADC converted data for the specified channel.
*
* @param InstancePtr is a pointer to the XSysMon instance.
* @param Channel is the channel number. Use the XSM_CH_* defined in
* the file xsysmon.h.
* The valid channels are 0 to 5 and 16 to 31 for all the device
* families. Channel 6 is valid for 7 Series and Zynq.
* Channel 13, 14, 15 are valid for Zynq. 32 to 35 are valid for
* Ultrascale.
*
* @return A 16-bit value representing the ADC converted data for the
* specified channel. The System Monitor/ADC device guarantees
* a 10 bit resolution for the ADC converted data and data is the
* 10 MSB bits of the 16 data read from the device.
*
* @note The channels 7,8,9 are used for calibration of the device and
* hence there is no associated data with this channel.
* Please make sure that the proper channel number is passed.
*
*****************************************************************************/
u16 XSysMon_GetAdcData(XSysMon *InstancePtr, u8 Channel)
{
u16 AdcData;
/*
* Assert the arguments.
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
Xil_AssertNonvoid((Channel <= XSM_CH_VBRAM) ||
((Channel >= XSM_CH_VCCPINT) &&
(Channel <= XSM_CH_AUX_MAX)) ||
((Channel >= XSM_CH_VUSR0) &&
(Channel <= XSM_CH_VUSR3)));
/*
* Read the selected ADC converted data for the specified channel
* and return the value.
*/
if (Channel <= XSM_CH_AUX_MAX) {
AdcData = (u16) (XSysMon_ReadReg(InstancePtr->
Config.BaseAddress, XSM_TEMP_OFFSET +
(Channel << 2)));
} else {
AdcData = (u16) (XSysMon_ReadReg(InstancePtr->
Config.BaseAddress, XSM_VUSR0_OFFSET +
((Channel - XSM_CH_VUSR0) << 2)));
}
return AdcData;
}
/****************************************************************************/
/**
*
* This function gets the calibration coefficient data for the specified
* parameter.
*
* @param InstancePtr is a pointer to the XSysMon instance.
* @param CoeffType specifies the calibration coefficient
* to be read. Use XSM_CALIB_* constants defined in xsysmon.h to
* specify the calibration coefficient to be read.
*
* @return A 16-bit value representing the calibration coefficient.
* The System Monitor/ADC device guarantees a 10 bit resolution for
* the ADC converted data and data is the 10 MSB bits of the 16
* data read from the device.
*
* @note None.
*
*****************************************************************************/
u16 XSysMon_GetCalibCoefficient(XSysMon *InstancePtr, u8 CoeffType)
{
u16 CalibData;
/*
* Assert the arguments.
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
Xil_AssertNonvoid(CoeffType <= XSM_CALIB_GAIN_ERROR_COEFF);
/*
* Read the selected calibration coefficient.
*/
CalibData = (u16) XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_SUPPLY_CALIB_OFFSET + (CoeffType << 2));
return CalibData;
}
/****************************************************************************/
/**
*
* This function reads the Minimum/Maximum measurement for one of the
* following parameters :
* - Minimum Temperature (XSM_MIN_TEMP) - All families
* - Minimum VCCINT (XSM_MIN_VCCINT) - All families
* - Minimum VCCAUX (XSM_MIN_VCCAUX) - All families
* - Maximum Temperature (XSM_MAX_TEMP) - All families
* - Maximum VCCINT (XSM_MAX_VCCINT) - All families
* - Maximum VCCAUX (XSM_MAX_VCCAUX) - All families
* - Maximum VCCBRAM (XSM_MAX_VCCBRAM) - 7 series and Zynq only
* - Minimum VCCBRAM (XSM_MIN_VCCBRAM) - 7 series and Zynq only
* - Maximum VCCPINT (XSM_MAX_VCCPINT) - Zynq only
* - Maximum VCCPAUX (XSM_MAX_VCCPAUX) - Zynq only
* - Maximum VCCPDRO (XSM_MAX_VCCPDRO) - Zynq only
* - Minimum VCCPINT (XSM_MIN_VCCPINT) - Zynq only
* - Minimum VCCPAUX (XSM_MIN_VCCPAUX) - Zynq only
* - Minimum VCCPDRO (XSM_MIN_VCCPDRO) - Zynq only
* - Maximum VUSER0 (XSM_MAX_VUSR0) - Ultrascale
* - Maximum VUSER1 (XSM_MAX_VUSR1) - Ultrascale
* - Maximum VUSER2 (XSM_MAX_VUSR2) - Ultrascale
* - Maximum VUSER3 (XSM_MAX_VUSR3) - Ultrascale
* - Minimum VUSER0 (XSM_MIN_VUSR0) - Ultrascale
* - Minimum VUSER1 (XSM_MIN_VUSR1) - Ultrascale
* - Minimum VUSER2 (XSM_MIN_VUSR2) - Ultrascale
* - Minimum VUSER3 (XSM_MIN_VUSR3) - Ultrascale
*
* @param InstancePtr is a pointer to the XSysMon instance.
* @param MeasurementType specifies the parameter for which the
* Minimum/Maximum measurement has to be read.
* Use XSM_MAX_* and XSM_MIN_* constants defined in xsysmon.h to
* specify the data to be read.
*
* @return A 16-bit value representing the maximum/minimum measurement for
* specified parameter.
* The System Monitor/ADC device guarantees a 10 bit resolution for
* the ADC converted data and data is the 10 MSB bits of 16 bit
* data read from the device.
*
*****************************************************************************/
u16 XSysMon_GetMinMaxMeasurement(XSysMon *InstancePtr, u8 MeasurementType)
{
u16 MinMaxData;
/*
* Assert the arguments.
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
Xil_AssertNonvoid((MeasurementType <= XSM_MAX_VCCPDRO) ||
((MeasurementType >= XSM_MIN_VCCPINT) &&
(MeasurementType <= XSM_MIN_VCCPDRO)) ||
((MeasurementType >= XSM_MAX_VUSR0) &&
(MeasurementType <= XSM_MAX_VUSR3)) ||
((MeasurementType >= XSM_MIN_VUSR0) &&
(MeasurementType <= XSM_MIN_VUSR3)))
/*
* Read and return the specified Minimum/Maximum measurement.
*/
MinMaxData = (u16) (XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_MAX_TEMP_OFFSET + (MeasurementType << 2)));
return MinMaxData;
}
/****************************************************************************/
/**
*
* This function sets the number of samples of averaging that is to be done for
* all the channels in both the single channel mode and sequence mode of
* operations.
*
* @param InstancePtr is a pointer to the XSysMon instance.
* @param Average is the number of samples of averaging programmed to the
* Configuration Register 0. Use the XSM_AVG_* definitions defined
* in xsysmon.h file :
* - XSM_AVG_0_SAMPLES for no averaging
* - XSM_AVG_16_SAMPLES for 16 samples of averaging
* - XSM_AVG_64_SAMPLES for 64 samples of averaging
* - XSM_AVG_256_SAMPLES for 256 samples of averaging
*
* @return None.
*
* @note None.
*
*****************************************************************************/
void XSysMon_SetAvg(XSysMon *InstancePtr, u8 Average)
{
u32 RegValue;
/*
* Assert the arguments.
*/
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
Xil_AssertVoid(Average <= XSM_AVG_256_SAMPLES);
/*
* Write the averaging value into the Configuration Register 0.
*/
RegValue = XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_CFR0_OFFSET) &
(~XSM_CFR0_AVG_VALID_MASK);
RegValue |= (((u32) Average << XSM_CFR0_AVG_SHIFT));
XSysMon_WriteReg(InstancePtr->Config.BaseAddress, XSM_CFR0_OFFSET,
RegValue);
}
/****************************************************************************/
/**
*
* This function returns the number of samples of averaging configured for all
* the channels in the Configuration Register 0.
*
* @param InstancePtr is a pointer to the XSysMon instance.
*
* @return The averaging read from the Configuration Register 0 is
* returned. Use the XSM_AVG_* bit definitions defined in xsysmon.h
* file to interpret the returned value :
* - XSM_AVG_0_SAMPLES means no averaging
* - XSM_AVG_16_SAMPLES means 16 samples of averaging
* - XSM_AVG_64_SAMPLES means 64 samples of averaging
* - XSM_AVG_256_SAMPLES means 256 samples of averaging
*
* @note None.
*
*****************************************************************************/
u8 XSysMon_GetAvg(XSysMon *InstancePtr)
{
u32 Average;
/*
* Assert the arguments.
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* Read the averaging value from the Configuration Register 0.
*/
Average = XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_CFR0_OFFSET) & XSM_CFR0_AVG_VALID_MASK;
return ((u8) (Average >> XSM_CFR0_AVG_SHIFT));
}
/****************************************************************************/
/**
*
* The function sets the given parameters in the Configuration Register 0 in
* the single channel mode.
*
* @param InstancePtr is a pointer to the XSysMon instance.
* @param Channel is the channel number for conversion. The valid
* channels are 0 to 5, 8, and 16 to 31. Channel 6 is
* valid for 7 series and Zynq XADC. Channel 32 to 35 are valid
* for Ultrascale.
* @param IncreaseAcqCycles is a boolean parameter which specifies whether
* the Acquisition time for the external channels has to be
* increased to 10 ADCCLK cycles (specify TRUE) or remain at the
* default 4 ADCCLK cycles (specify FALSE). This parameter is
* only valid for the external channels.
* @param IsEventMode is a boolean parameter that specifies continuous
* sampling (specify FALSE) or event driven sampling mode (specify
* TRUE) for the given channel.
* @param IsDifferentialMode is a boolean parameter which specifies
* unipolar(specify FALSE) or differential mode (specify TRUE) for
* the analog inputs. The input mode is only valid for the
* external channels.
* @return
* - XST_SUCCESS if the given values were written successfully to
* the Configuration Register 0.
* - XST_FAILURE if the channel sequencer is enabled or the input
* parameters are not valid for the selected channel.
*
* @note
* - The number of samples for the averaging for all the channels
* is set by using the function XSysMon_SetAvg.
* - The calibration of the device is done by doing a ADC
* conversion on the calibration channel(channel 8). The input
* parameters IncreaseAcqCycles, IsDifferentialMode and
* IsEventMode are not valid for this channel.
*
*****************************************************************************/
int XSysMon_SetSingleChParams(XSysMon *InstancePtr, u8 Channel,
int IncreaseAcqCycles, int IsEventMode,
int IsDifferentialMode)
{
u32 RegValue;
/*
* Assert the arguments.
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
Xil_AssertNonvoid((Channel <= XSM_CH_VREFN) ||
(Channel == XSM_CH_CALIBRATION) ||
((Channel >= XSM_CH_AUX_MIN) &&
(Channel <= XSM_CH_AUX_MAX)) ||
((Channel >= XSM_CH_VUSR0) &&
(Channel <= XSM_CH_VUSR3)));
Xil_AssertNonvoid((IncreaseAcqCycles == TRUE) ||
(IncreaseAcqCycles == FALSE));
Xil_AssertNonvoid((IsEventMode == TRUE) || (IsEventMode == FALSE));
Xil_AssertNonvoid((IsDifferentialMode == TRUE) ||
(IsDifferentialMode == FALSE));
/*
* Check if the device is in single channel mode else return failure
*/
if ((XSysMon_GetSequencerMode(InstancePtr) != XSM_SEQ_MODE_SINGCHAN)) {
return XST_FAILURE;
}
/*
* Read the Configuration Register 0.
*/
RegValue = XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_CFR0_OFFSET) & XSM_CFR0_AVG_VALID_MASK;
/*
* Select the number of acquisition cycles. The acquisition cycles is
* only valid for the external channels.
*/
if (IncreaseAcqCycles == TRUE) {
if (((Channel >= XSM_CH_AUX_MIN) && (Channel <= XSM_CH_AUX_MAX))
|| (Channel == XSM_CH_VPVN)) {
RegValue |= XSM_CFR0_ACQ_MASK;
} else {
return XST_FAILURE;
}
}
/*
* Select the input mode. The input mode is only valid for the
* external channels.
*/
if (IsDifferentialMode == TRUE) {
if (((Channel >= XSM_CH_AUX_MIN) && (Channel <= XSM_CH_AUX_MAX))
|| (Channel == XSM_CH_VPVN)) {
RegValue |= XSM_CFR0_DU_MASK;
} else {
return XST_FAILURE;
}
}
/*
* Select the ADC mode.
*/
if (IsEventMode == TRUE) {
RegValue |= XSM_CFR0_EC_MASK;
}
/*
* Write the given values into the Configuration Register 0.
*/
RegValue |= (Channel & XSM_CFR0_CHANNEL_MASK);
XSysMon_WriteReg(InstancePtr->Config.BaseAddress, XSM_CFR0_OFFSET,
RegValue);
return XST_SUCCESS;
}
/****************************************************************************/
/**
*
* This function enables the alarm outputs for the specified alarms in the
* Configuration Registers 1 and 3:
*
* - OT for Over Temperature (XSM_CFR_OT_MASK)
* - ALM0 for On board Temperature (XSM_CFR_ALM_TEMP_MASK)
* - ALM1 for VCCINT (XSM_CFR_ALM_VCCINT_MASK)
* - ALM2 for VCCAUX (XSM_CFR_ALM_VCCAUX_MASK)
* - ALM3 for VBRAM (XSM_CFR_ALM_VBRAM_MASK)for 7 Series and Zynq
* - ALM4 for VCCPINT (XSM_CFR_ALM_VCCPINT_MASK) for Zynq
* - ALM5 for VCCPAUX (XSM_CFR_ALM_VCCPAUX_MASK) for Zynq
* - ALM6 for VCCPDRO (XSM_CFR_ALM_VCCPDRO_MASK) for Zynq
* - ALM8 for VUSER0 (XSM_CFR_ALM_VUSR0_MASK) for Ultrascale
* - ALM9 for VUSER1 (XSM_CFR_ALM_VUSR1_MASK) for Ultrascale
* - ALM10 for VUSER2 (XSM_CFR_ALM_VUSR2_MASK) for Ultrascale
* - ALM11 for VUSER3 (XSM_CFR_ALM_VUSR3_MASK) for Ultrascale
*
* @param InstancePtr is a pointer to the XSysMon instance.
* @param AlmEnableMask is the bit-mask of the alarm outputs to be enabled
* in the Configuration Register 1.
* Bit positions of 1 will be enabled. Bit positions of 0 will be
* disabled. This mask is formed by OR'ing XSM_CFR_ALM_*_MASK,
* XSM_CFR_ALM_*_MASK and XSM_CFR_OT_MASK masks defined in
* xsysmon_hw.h.
*
* @return None.
*
* @note The implementation of the alarm enables in the Configuration
* register 1 is such that the alarms for bit positions of 1 will
* be disabled and alarms for bit positions of 0 will be enabled.
* The alarm outputs specified by the AlmEnableMask are negated
* before writing to the Configuration Register 1.
*
*****************************************************************************/
void XSysMon_SetAlarmEnables(XSysMon *InstancePtr, u32 AlmEnableMask)
{
u32 RegValue;
/*
* Assert the arguments.
*/
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
Xil_AssertVoid(AlmEnableMask <= XSM_CFR_ALM_ALL_MASK);
RegValue = XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_CFR1_OFFSET);
RegValue &= (u32)~XSM_CFR1_ALM_ALL_MASK;
RegValue |= (~AlmEnableMask & XSM_CFR1_ALM_ALL_MASK);
/*
* Enable/disables the alarm enables for the specified alarm bits in the
* Configuration Register 1.
*/
XSysMon_WriteReg(InstancePtr->Config.BaseAddress, XSM_CFR1_OFFSET,
RegValue);
RegValue = XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_CFR3_OFFSET);
RegValue &= (u32)~XSM_CFR3_ALM_ALL_MASK;
RegValue |= (~(AlmEnableMask >> 16) & XSM_CFR3_ALM_ALL_MASK);
XSysMon_WriteReg(InstancePtr->Config.BaseAddress, XSM_CFR3_OFFSET,
RegValue);
}
/****************************************************************************/
/**
*
* This function gets the status of the alarm output enables in the
* Configuration Register 1.
*
* @param InstancePtr is a pointer to the XSysMon instance.
*
* @return This is the bit-mask of the enabled alarm outputs in the
* Configuration Register 1. Use the masks XSM_CFR_ALM_*,
* XSM_CFR_ALM*_* and XSM_CFR_OT_MASK defined in
* xsysmon_hw.h to interpret the returned value.
*
* Bit positions of 1 indicate that the alarm output is enabled.
* Bit positions of 0 indicate that the alarm output is disabled.
*
*
* @note The implementation of the alarm enables in the Configuration
* register 1 is such that alarms for the bit positions of 1 will
* be disabled and alarms for bit positions of 0 will be enabled.
* The enabled alarm outputs returned by this function is the
* negated value of the the data read from the Configuration
* Register 1.
*
*****************************************************************************/
u32 XSysMon_GetAlarmEnables(XSysMon *InstancePtr)
{
u32 RegValue1;
u32 RegValue2;
/*
* Assert the arguments.
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* Read the status of alarm output enables from the Configuration
* Register 1.
*/
RegValue1 = XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_CFR1_OFFSET) & XSM_CFR1_ALM_ALL_MASK;
RegValue1 = (~RegValue1 & XSM_CFR1_ALM_ALL_MASK);
RegValue2 = XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_CFR3_OFFSET) & XSM_CFR3_ALM_ALL_MASK;
RegValue2 = (~RegValue2 & XSM_CFR3_ALM_ALL_MASK);
return ((RegValue2 << 16) | RegValue1);
}
/****************************************************************************/
/**
*
* This function enables the specified calibration in the Configuration
* Register 1 :
*
* - XSM_CFR1_CAL_ADC_OFFSET_MASK : Calibration 0 -ADC offset correction
* - XSM_CFR1_CAL_ADC_GAIN_OFFSET_MASK : Calibration 1 -ADC gain and offset
* correction
* - XSM_CFR1_CAL_PS_OFFSET_MASK : Calibration 2 -Power Supply sensor
* offset correction
* - XSM_CFR1_CAL_PS_GAIN_OFFSET_MASK : Calibration 3 -Power Supply sensor
* gain and offset correction
* - XSM_CFR1_CAL_DISABLE_MASK : No Calibration
*
* @param InstancePtr is a pointer to the XSysMon instance.
* @param Calibration is the Calibration to be applied.
* Use XSM_CFR1_CAL*_* bits defined in xsysmon_hw.h.
* Multiple calibrations can be enabled at a time by oring the
* XSM_CFR1_CAL_ADC_* and XSM_CFR1_CAL_PS_* bits.
* Calibration can be disabled by specifying
* XSM_CFR1_CAL_DISABLE_MASK;
*
* @return None.
*
* @note None.
*
*****************************************************************************/
void XSysMon_SetCalibEnables(XSysMon *InstancePtr, u16 Calibration)
{
u32 RegValue;
/*
* Assert the arguments.
*/
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
Xil_AssertVoid(((Calibration >= XSM_CFR1_CAL_ADC_OFFSET_MASK) &&
(Calibration <= XSM_CFR1_CAL_VALID_MASK)) ||
(Calibration == XSM_CFR1_CAL_DISABLE_MASK));
/*
* Set the specified calibration in the Configuration Register 1.
*/
RegValue = XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_CFR1_OFFSET);
RegValue &= (~ XSM_CFR1_CAL_VALID_MASK);
RegValue |= (Calibration & XSM_CFR1_CAL_VALID_MASK);
XSysMon_WriteReg(InstancePtr->Config.BaseAddress, XSM_CFR1_OFFSET,
RegValue);
}
/****************************************************************************/
/**
*
* This function reads the value of the calibration enables from the
* Configuration Register 1.
*
* @param InstancePtr is a pointer to the XSysMon instance.
*
* @return The value of the calibration enables in the Configuration
* Register 1 :
* - XSM_CFR1_CAL_ADC_OFFSET_MASK : ADC offset correction
* - XSM_CFR1_CAL_ADC_GAIN_OFFSET_MASK : ADC gain and offset
* correction
* - XSM_CFR1_CAL_PS_OFFSET_MASK : Power Supply sensor offset
* correction
* - XSM_CFR1_CAL_PS_GAIN_OFFSET_MASK : Power Supply sensor gain
* and offset correction
* - XSM_CFR1_CAL_DISABLE_MASK : No Calibration
*
* @note None.
*
*****************************************************************************/
u16 XSysMon_GetCalibEnables(XSysMon *InstancePtr)
{
/*
* Assert the arguments.
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* Read the calibration enables from the Configuration Register 1.
*/
return (u16) XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_CFR1_OFFSET) & XSM_CFR1_CAL_VALID_MASK;
}
/****************************************************************************/
/**
*
* This function sets the specified Channel Sequencer Mode in the Configuration
* Register 1 :
* - Default safe mode (XSM_SEQ_MODE_SAFE)
* - One pass through sequence (XSM_SEQ_MODE_ONEPASS)
* - Continuous channel sequencing (XSM_SEQ_MODE_CONTINPASS)
* - Single Channel/Sequencer off (XSM_SEQ_MODE_SINGCHAN)
* - Simulataneous sampling mode (XSM_SEQ_MODE_SIMUL)
* - Independent mode (XSM_SEQ_MODE_INDEPENDENT)
*
* @param InstancePtr is a pointer to the XSysMon instance.
* @param SequencerMode is the sequencer mode to be set.
* Use XSM_SEQ_MODE_* bits defined in xsysmon.h.
*
* @return None.
*
* @note Only one of the modes can be enabled at a time.
*
*****************************************************************************/
void XSysMon_SetSequencerMode(XSysMon *InstancePtr, u8 SequencerMode)
{
u32 RegValue;
/*
* Assert the arguments.
*/
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
Xil_AssertVoid((SequencerMode <= XSM_SEQ_MODE_SIMUL) ||
(SequencerMode == XSM_SEQ_MODE_INDEPENDENT));
/*
* Set the specified sequencer mode in the Configuration Register 1.
*/
RegValue = XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_CFR1_OFFSET);
RegValue &= (~ XSM_CFR1_SEQ_VALID_MASK);
RegValue |= ((SequencerMode << XSM_CFR1_SEQ_SHIFT) &
XSM_CFR1_SEQ_VALID_MASK);
XSysMon_WriteReg(InstancePtr->Config.BaseAddress, XSM_CFR1_OFFSET,
RegValue);
}
/****************************************************************************/
/**
*
* This function gets the channel sequencer mode from the Configuration
* Register 1.
*
* @param InstancePtr is a pointer to the XSysMon instance.
*
* @return The channel sequencer mode :
* - XSM_SEQ_MODE_SAFE : Default safe mode
* - XSM_SEQ_MODE_ONEPASS : One pass through sequence
* - XSM_SEQ_MODE_CONTINPASS : Continuous channel sequencing
* - XSM_SEQ_MODE_SINGCHAN : Single channel/Sequencer off
* - XSM_SEQ_MODE_SIMUL : Simulataneous sampling mode
* - XSM_SEQ_MODE_INDEPENDENT : Independent mode
*
* @note None.
*
*****************************************************************************/
u8 XSysMon_GetSequencerMode(XSysMon *InstancePtr)
{
/*
* Assert the arguments.
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* Read the channel sequencer mode from the Configuration Register 1.
*/
return ((u8) ((XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_CFR1_OFFSET) & XSM_CFR1_SEQ_VALID_MASK) >>
XSM_CFR1_SEQ_SHIFT));
}
/****************************************************************************/
/**
*
* The function enables the Event mode or Continuous mode in the sequencer mode.
*
* @param InstancePtr is a pointer to the XSysMon instance.
* @param IsEventMode is a boolean parameter that specifies continuous
* sampling (specify FALSE) or event driven sampling mode (specify
* TRUE) for the given channel.
*
* @return None.
*
* @note The Event mode is only available in 7 Series XADC and Zynq.
* This API should be used only with 7 Series XADC and Zynq .
*
*****************************************************************************/
void XSysMon_SetSequencerEvent(XSysMon *InstancePtr, int IsEventMode)
{
u32 RegValue;
/*
* Assert the arguments.
*/
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
Xil_AssertVoid((IsEventMode == TRUE) || (IsEventMode == FALSE));
/*
* Read the Configuration Register 0.
*/
RegValue = XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_CFR0_OFFSET);
/*
* Set the ADC mode.
*/
if (IsEventMode == TRUE) {
RegValue |= XSM_CFR0_EC_MASK;
} else {
RegValue &= ~XSM_CFR0_EC_MASK;
}
XSysMon_WriteReg(InstancePtr->Config.BaseAddress, XSM_CFR0_OFFSET,
RegValue);
}
/****************************************************************************/
/**
*
* The function enables the external mux and connects a channel to the mux.
*
* @param InstancePtr is a pointer to the XSysMon instance.
* @param Channel is the channel number used to connect to the external
* Mux. The valid channels are 0 to 6, 8, and 16 to 31.
*
* @return
* - XST_SUCCESS if the given values were written successfully to
* the Configuration Register 0.
* - XST_FAILURE if the channel sequencer is enabled or the input
* parameters are not valid for the selected channel.
*
* @note The External Mux is only available in 7 Series and Zynq XADC.
* This API should be used only with 7 Series and Zynq XADC.
*
*****************************************************************************/
void XSysMon_SetExtenalMux(XSysMon *InstancePtr, u8 Channel)
{
u32 RegValue;
/*
* Assert the arguments.
*/
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
Xil_AssertVoid((Channel <= XSM_CH_VREFN) ||
(Channel == XSM_CH_CALIBRATION) ||
((Channel >= XSM_CH_AUX_MIN) &&
(Channel <= XSM_CH_AUX_MAX)));
/*
* Read the Configuration Register 0 and the clear the channel selection
* bits.
*/
RegValue = XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_CFR0_OFFSET);
RegValue &= ~(XSM_CFR0_CHANNEL_MASK);
/*
* Enable the External Mux and select the channel.
*/
RegValue |= (XSM_CFR0_MUX_MASK | Channel);
XSysMon_WriteReg(InstancePtr->Config.BaseAddress, XSM_CFR0_OFFSET,
RegValue);
}
/****************************************************************************/
/**
*
* The function sets the frequency of the ADCCLK by configuring the DCLK to
* ADCCLK ratio in the Configuration Register #2.
*
* @param InstancePtr is a pointer to the XSysMon instance.
* @param Divisor is clock divisor used to derive ADCCLK from DCLK.
* Valid values of the divisor are
* - 8 to 255 for V5 SysMon.
* - 0 to 255 for V6/7 Series and Zynq XADC.
* Values 0, 1, 2 are all mapped to 2.
* Refer to the device specification for more details.
*
* @return None.
*
* @note - The ADCCLK is an internal clock used by the ADC and is
* synchronized to the DCLK clock. The ADCCLK is equal to DCLK
* divided by the user selection in the Configuration Register 2.
* - There is no Assert on the minimum value of the Divisor. Users
* must take care such that the minimum value of Divisor used is
* 8, in case of V5 SysMon.
*
*****************************************************************************/
void XSysMon_SetAdcClkDivisor(XSysMon *InstancePtr, u8 Divisor)
{
/*
* Assert the arguments.
*/
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* Write the divisor value into the Configuration Register #2.
*/
XSysMon_WriteReg(InstancePtr->Config.BaseAddress, XSM_CFR2_OFFSET,
Divisor << XSM_CFR2_CD_SHIFT);
}
/****************************************************************************/
/**
*
* The function gets the ADCCLK divisor from the Configuration Register 2.
*
* @param InstancePtr is a pointer to the XSysMon instance.
*
* @return The divisor read from the Configuration Register 2.
*
* @note The ADCCLK is an internal clock used by the ADC and is
* synchronized to the DCLK clock. The ADCCLK is equal to DCLK
* divided by the user selection in the Configuration Register 2.
*
*****************************************************************************/
u8 XSysMon_GetAdcClkDivisor(XSysMon *InstancePtr)
{
u16 Divisor;
/*
* Assert the arguments.
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* Read the divisor value from the Configuration Register 2.
*/
Divisor = (u16) XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_CFR2_OFFSET);
return (u8) (Divisor >> XSM_CFR2_CD_SHIFT);
}
/****************************************************************************/
/**
*
* This function enables the specified channels in the ADC Channel Selection
* Sequencer Registers. The sequencer must be in the Safe Mode before writing
* to these registers.
*
* @param InstancePtr is a pointer to the XSysMon instance.
* @param ChEnableMask is the bit mask of all the channels to be enabled.
* Use XSM_SEQ_CH_* defined in xsysmon_hw.h to specify the Channel
* numbers. Bit masks of 1 will be enabled and bit mask of 0 will
* be disabled.
* The ChEnableMask is a 64 bit mask that is written to the three
* 16 bit ADC Channel Selection Sequencer Registers.
*
* @return
* - XST_SUCCESS if the given values were written successfully to
* the ADC Channel Selection Sequencer Registers.
* - XST_FAILURE if the channel sequencer is enabled.
*
* @note None.
*
*****************************************************************************/
int XSysMon_SetSeqChEnables(XSysMon *InstancePtr, u64 ChEnableMask)
{
/*
* Assert the arguments.
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* The sequencer must be in the Safe Mode before writing
* to these registers. Return XST_FAILURE if the channel sequencer
* is enabled.
*/
if ((XSysMon_GetSequencerMode(InstancePtr) != XSM_SEQ_MODE_SAFE)) {
return XST_FAILURE;
}
/*
* Enable the specified channels in the ADC Channel Selection Sequencer
* Registers.
*/
XSysMon_WriteReg(InstancePtr->Config.BaseAddress,
XSM_SEQ00_OFFSET,
(ChEnableMask & XSM_SEQ00_CH_VALID_MASK));
XSysMon_WriteReg(InstancePtr->Config.BaseAddress,
XSM_SEQ01_OFFSET,
(ChEnableMask >> XSM_SEQ_CH_AUX_SHIFT) &
XSM_SEQ01_CH_VALID_MASK);
XSysMon_WriteReg(InstancePtr->Config.BaseAddress,
XSM_SEQ08_OFFSET,
(ChEnableMask >> XSM_SEQ_CH_VUSR_SHIFT) &
XSM_SEQ08_CH_VALID_MASK);
return XST_SUCCESS;
}
/****************************************************************************/
/**
*
* This function gets the channel enable bits status from the ADC Channel
* Selection Sequencer Registers.
*
* @param InstancePtr is a pointer to the XSysMon instance.
*
* @return Gets the channel enable bits. Use XSM_SEQ_CH_* defined in
* xsysmon_hw.h to interpret the Channel numbers. Bit masks of 1
* are the channels that are enabled and bit mask of 0 are
* the channels that are disabled.
*
* @return None.
*
* @note None.
*
*****************************************************************************/
u64 XSysMon_GetSeqChEnables(XSysMon *InstancePtr)
{
u32 RegValEnable;
u32 RegValEnable1;
u64 RetVal = 0x0;
/*
* Assert the arguments.
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* Read the channel enable bits for all the channels from the ADC
* Channel Selection Register.
*/
RegValEnable = XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_SEQ00_OFFSET) & XSM_SEQ00_CH_VALID_MASK;
RegValEnable |= (XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_SEQ01_OFFSET) & XSM_SEQ01_CH_VALID_MASK) <<
XSM_SEQ_CH_AUX_SHIFT;
RegValEnable1 = XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_SEQ08_OFFSET) & XSM_SEQ08_CH_VALID_MASK;
RetVal = RegValEnable1;
RetVal = (RetVal << XSM_SEQ_CH_VUSR_SHIFT);
RetVal = RetVal | RegValEnable;
return RetVal;
}
/****************************************************************************/
/**
*
* This function enables the averaging for the specified channels in the ADC
* Channel Averaging Enable Sequencer Registers. The sequencer must be in
* the Safe Mode before writing to these registers.
*
* @param InstancePtr is a pointer to the XSysMon instance.
* @param AvgEnableChMask is the bit mask of all the channels for which
* averaging is to be enabled. Use XSM_SEQ_CH__* defined in
* xsysmon_hw.h to specify the Channel numbers. Averaging will be
* enabled for bit masks of 1 and disabled for bit mask of 0.
* The AvgEnableChMask is a 64 bit mask that is written to the
* three 16 bit ADC Channel Averaging Enable Sequencer Registers.
*
* @return
* - XST_SUCCESS if the given values were written successfully to
* the ADC Channel Averaging Enables Sequencer Registers.
* - XST_FAILURE if the channel sequencer is enabled.
*
* @note None.
*
*****************************************************************************/
int XSysMon_SetSeqAvgEnables(XSysMon *InstancePtr, u64 AvgEnableChMask)
{
/*
* Assert the arguments.
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* The sequencer must be disabled for writing any of these registers.
* Return XST_FAILURE if the channel sequencer is enabled.
*/
if ((XSysMon_GetSequencerMode(InstancePtr) != XSM_SEQ_MODE_SAFE)) {
return XST_FAILURE;
}
/*
* Enable/disable the averaging for the specified channels in the
* ADC Channel Averaging Enables Sequencer Registers.
*/
XSysMon_WriteReg(InstancePtr->Config.BaseAddress,
XSM_SEQ02_OFFSET,
(AvgEnableChMask & XSM_SEQ02_CH_VALID_MASK));
XSysMon_WriteReg(InstancePtr->Config.BaseAddress,
XSM_SEQ03_OFFSET,
(AvgEnableChMask >> XSM_SEQ_CH_AUX_SHIFT) &
XSM_SEQ03_CH_VALID_MASK);
XSysMon_WriteReg(InstancePtr->Config.BaseAddress,
XSM_SEQ09_OFFSET,
(AvgEnableChMask >> XSM_SEQ_CH_VUSR_SHIFT) &
XSM_SEQ09_CH_VALID_MASK);
return XST_SUCCESS;
}
/****************************************************************************/
/**
*
* This function returns the channels for which the averaging has been enabled
* in the ADC Channel Averaging Enables Sequencer Registers.
*
* @param InstancePtr is a pointer to the XSysMon instance.
*
* @returns The status of averaging (enabled/disabled) for all the channels.
* Use XSM_SEQ_CH__* defined in xsysmon_hw.h to interpret the
* Channel numbers. Bit masks of 1 are the channels for which
* averaging is enabled and bit mask of 0 are the channels for
* averaging is disabled.
*
* @note None.
*
*****************************************************************************/
u64 XSysMon_GetSeqAvgEnables(XSysMon *InstancePtr)
{
u32 RegValAvg;
u32 RegValAvg1;
u64 RetVal = 0x0;
/*
* Assert the arguments.
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* Read the averaging enable status for all the channels from the
* ADC Channel Averaging Enables Sequencer Registers.
*/
RegValAvg = XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_SEQ02_OFFSET) & XSM_SEQ02_CH_VALID_MASK;
RegValAvg |= (XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_SEQ03_OFFSET) & XSM_SEQ03_CH_VALID_MASK) <<
XSM_SEQ_CH_AUX_SHIFT;
RegValAvg1 = XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_SEQ09_OFFSET) & XSM_SEQ09_CH_VALID_MASK;
RetVal = RegValAvg1;
RetVal = (RetVal << XSM_SEQ_CH_VUSR_SHIFT);
RetVal = RetVal | RegValAvg;
return RetVal;
}
/****************************************************************************/
/**
*
* This function sets the Analog input mode for the specified channels in the
* ADC Channel Analog-Input Mode Sequencer Registers. The sequencer must be in
* the Safe Mode before writing to these registers.
*
* @param InstancePtr is a pointer to the XSysMon instance.
* @param InputModeChMask is the bit mask of all the channels for which
* the input mode is differential mode. Use XSM_SEQ_CH__* defined
* in xsysmon_hw.h to specify the channel numbers. Differential
* input mode will be set for bit masks of 1 and unipolar input
* mode for bit masks of 0.
* The InputModeChMask is a 32 bit mask that is written to the two
* 16 bit ADC Channel Analog-Input Mode Sequencer Registers.
*
* @return
* - XST_SUCCESS if the given values were written successfully to
* the ADC Channel Analog-Input Mode Sequencer Registers.
* - XST_FAILURE if the channel sequencer is enabled.
*
* @note None.
*
*****************************************************************************/
int XSysMon_SetSeqInputMode(XSysMon *InstancePtr, u32 InputModeChMask)
{
/*
* Assert the arguments.
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* The sequencer must be in the Safe Mode before writing to
* these registers. Return XST_FAILURE if the channel sequencer
* is enabled.
*/
if ((XSysMon_GetSequencerMode(InstancePtr) != XSM_SEQ_MODE_SAFE)) {
return XST_FAILURE;
}
/*
* Set the input mode for the specified channels in the ADC Channel
* Analog-Input Mode Sequencer Registers.
*/
XSysMon_WriteReg(InstancePtr->Config.BaseAddress,
XSM_SEQ04_OFFSET,
(InputModeChMask & XSM_SEQ04_CH_VALID_MASK));
XSysMon_WriteReg(InstancePtr->Config.BaseAddress,
XSM_SEQ05_OFFSET,
(InputModeChMask >> XSM_SEQ_CH_AUX_SHIFT) &
XSM_SEQ05_CH_VALID_MASK);
return XST_SUCCESS;
}
/****************************************************************************/
/**
*
* This function gets the Analog input mode for all the channels from
* the ADC Channel Analog-Input Mode Sequencer Registers.
*
* @param InstancePtr is a pointer to the XSysMon instance.
*
* @returns The input mode for all the channels.
* Use XSM_SEQ_CH_* defined in xsysmon_hw.h to interpret the
* Channel numbers. Bit masks of 1 are the channels for which
* input mode is differential and bit mask of 0 are the channels
* for which input mode is unipolar.
*
* @note None.
*
*****************************************************************************/
u32 XSysMon_GetSeqInputMode(XSysMon *InstancePtr)
{
u32 InputMode;
/*
* Assert the arguments.
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* Get the input mode for all the channels from the ADC Channel
* Analog-Input Mode Sequencer Registers.
*/
InputMode = XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_SEQ04_OFFSET) & XSM_SEQ04_CH_VALID_MASK;
InputMode |= (XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_SEQ05_OFFSET) & XSM_SEQ05_CH_VALID_MASK) <<
XSM_SEQ_CH_AUX_SHIFT;
return InputMode;
}
/****************************************************************************/
/**
*
* This function sets the number of Acquisition cycles in the ADC Channel
* Acquisition Time Sequencer Registers. The sequencer must be in the Safe Mode
* before writing to these registers.
*
* @param InstancePtr is a pointer to the XSysMon instance.
* @param AcqCyclesChMask is the bit mask of all the channels for which
* the number of acquisition cycles is to be extended.
* Use XSM_SEQ_CH__* defined in xsysmon_hw.h to specify the Channel
* numbers. Acquisition cycles will be extended to 10 ADCCLK cycles
* for bit masks of 1 and will be the default 4 ADCCLK cycles for
* bit masks of 0.
* The AcqCyclesChMask is a 32 bit mask that is written to the two
* 16 bit ADC Channel Acquisition Time Sequencer Registers.
*
* @return
* - XST_SUCCESS if the given values were written successfully to
* the Channel Sequencer Registers.
* - XST_FAILURE if the channel sequencer is enabled.
*
* @note None.
*
*****************************************************************************/
int XSysMon_SetSeqAcqTime(XSysMon *InstancePtr, u32 AcqCyclesChMask)
{
/*
* Assert the arguments.
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* The sequencer must be in the Safe Mode before writing
* to these registers. Return XST_FAILURE if the channel
* sequencer is enabled.
*/
if ((XSysMon_GetSequencerMode(InstancePtr) != XSM_SEQ_MODE_SAFE)) {
return XST_FAILURE;
}
/*
* Set the Acquisition time for the specified channels in the
* ADC Channel Acquisition Time Sequencer Registers.
*/
XSysMon_WriteReg(InstancePtr->Config.BaseAddress,
XSM_SEQ06_OFFSET,
(AcqCyclesChMask & XSM_SEQ06_CH_VALID_MASK));
XSysMon_WriteReg(InstancePtr->Config.BaseAddress,
XSM_SEQ07_OFFSET,
(AcqCyclesChMask >> XSM_SEQ_CH_AUX_SHIFT) &
XSM_SEQ07_CH_VALID_MASK);
return XST_SUCCESS;
}
/****************************************************************************/
/**
*
* This function gets the status of acquisition from the ADC Channel Acquisition
* Time Sequencer Registers.
*
* @param InstancePtr is a pointer to the XSysMon instance.
*
* @returns The acquisition time for all the channels.
* Use XSM_SEQ_CH__* defined in xsysmon_hw.h to interpret the
* Channel numbers. Bit masks of 1 are the channels for which
* acquisition cycles are extended and bit mask of 0 are the
* channels for which acquisition cycles are not extended.
*
* @note None.
*
*****************************************************************************/
u32 XSysMon_GetSeqAcqTime(XSysMon *InstancePtr)
{
u32 RegValAcq;
/*
* Assert the arguments.
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* Get the Acquisition cycles for the specified channels from the ADC
* Channel Acquisition Time Sequencer Registers.
*/
RegValAcq = XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_SEQ06_OFFSET) & XSM_SEQ06_CH_VALID_MASK;
RegValAcq |= (XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_SEQ07_OFFSET) & XSM_SEQ07_CH_VALID_MASK) <<
XSM_SEQ_CH_AUX_SHIFT;
return RegValAcq;
}
/****************************************************************************/
/**
*
* This functions sets the contents of the given Alarm Threshold Register.
*
* @param InstancePtr is a pointer to the XSysMon instance.
* @param AlarmThrReg is the index of an Alarm Threshold Register to
* be set. Use XSM_ATR_* constants defined in xsysmon.h to
* specify the index.
* @param Value is the 16-bit threshold value to write into the register.
*
* @return None.
*
* @note Over Temperature upper threshold is programmable only in V6,
* 7 Series/Zynq XADC and UltraScale.
* BRAM high and low voltage threshold registers are available only
* in 7 Series XADC and UltraScale.
* VUSER0 to VUSER3 threshold registers are available only in
* UltraScale.
* All the remaining Alarm Threshold registers specified by the
* constants XSM_ATR_*, are available in all the families of the
* Sysmon.
*
*****************************************************************************/
void XSysMon_SetAlarmThreshold(XSysMon *InstancePtr, u8 AlarmThrReg, u16 Value)
{
/*
* Assert the arguments.
*/
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
Xil_AssertVoid((AlarmThrReg <= XSM_ATR_VUSR3_UPPER) ||
((AlarmThrReg >= XSM_ATR_VUSR0_LOWER) &&
(AlarmThrReg <= XSM_ATR_VUSR3_LOWER)));
/*
* Write the value into the specified Alarm Threshold Register.
*/
XSysMon_WriteReg(InstancePtr->Config.BaseAddress,
XSM_ATR_TEMP_UPPER_OFFSET + (AlarmThrReg << 2),
Value);
}
/****************************************************************************/
/**
*
* This function returns the contents of the specified Alarm Threshold Register.
*
* @param InstancePtr is a pointer to the XSysMon instance.
* @param AlarmThrReg is the index of an Alarm Threshold Register
* to be read. Use XSM_ATR_* constants defined in xsysmon.h
* to specify the index.
*
* @return A 16-bit value representing the contents of the selected Alarm
* Threshold Register.
*
* @note Over Temperature upper threshold is programmable only in V6 and
* 7 Series XADC
* BRAM high and low voltage threshold registers are available only
* in 7 Series and Zynq XADC.
* All the remaining Alarm Threshold registers specified by the
* constants XSM_ATR_*, are available in all the families of the
* Sysmon.
*
*****************************************************************************/
u16 XSysMon_GetAlarmThreshold(XSysMon *InstancePtr, u8 AlarmThrReg)
{
u16 AlarmThreshold;
/*
* Assert the arguments.
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
Xil_AssertNonvoid((AlarmThrReg <= XSM_ATR_VUSR3_UPPER) ||
((AlarmThrReg >= XSM_ATR_VUSR0_LOWER) &&
(AlarmThrReg <= XSM_ATR_VUSR3_LOWER)));
/*
* Read the specified Alarm Threshold Register and return
* the value.
*/
AlarmThreshold = (u16) XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_ATR_TEMP_UPPER_OFFSET + (AlarmThrReg << 2));
return AlarmThreshold;
}
/****************************************************************************/
/**
*
* This function sets the powerdown temperature for the OverTemp signal in the
* OT Powerdown register.
*
* @param InstancePtr is a pointer to the XSysMon instance.
* @param Value is the 16-bit OT Upper Alarm Register powerdown value.
* Valid values are 0 to 0x0FFF.
*
* @return None.
*
* @note This API has been deprecated. Use XSysMon_SetAlarmThreshold(),
* instead.
* This API should be used only with V6/7 Series since the
* upper threshold of OverTemp is programmable in in only V6
* SysMon/7 Series and Zynq XADC.
*
*****************************************************************************/
void XSysMon_SetOverTemp(XSysMon *InstancePtr, u16 Value)
{
u16 OtUpper;
/*
* Assert the arguments.
*/
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
Xil_AssertVoid(Value <= XSM_ATR_OT_UPPER_VAL_MAX);
/*
* Read the OT Upper Alarm Threshold Register.
*/
OtUpper = (u16) XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_ATR_OT_UPPER_OFFSET);
OtUpper &= ~(XSM_ATR_OT_UPPER_VAL_MASK);
/*
* Preserve the OT enable value and write the powerdown value into the
* OT Upper Alarm Threshold Register.
*/
Value = (Value << XSM_ATR_OT_UPPER_VAL_SHIFT) | OtUpper;
XSysMon_WriteReg(InstancePtr->Config.BaseAddress,
XSM_ATR_OT_UPPER_OFFSET, Value);
}
/****************************************************************************/
/**
*
* This function returns the powerdown temperature of the OverTemp signal in
* the OT Powerdown register.
*
* @param InstancePtr is a pointer to the XSysMon instance.
*
* @return A 12-bit OT Upper Alarm Register powerdown value.
*
* @note This API has been deprecated. Use XSysMon_GetAlarmThreshold(),
* instead.
* This API should be used only with V6/7 Series since the
* upper threshold of OverTemp is programmable in only V6
* SysMon/7 Series and Zynq XADC.
*
*****************************************************************************/
u16 XSysMon_GetOverTemp(XSysMon *InstancePtr)
{
u16 OtUpper;
/*
* Assert the arguments.
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* Read the OT upper Alarm Threshold Register and return
* the value.
*/
OtUpper = (u16) XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_ATR_OT_UPPER_OFFSET);
OtUpper >>= XSM_ATR_OT_UPPER_VAL_SHIFT;
return OtUpper;
}
/****************************************************************************/
/**
*
* This function enables programming of the powerdown temperature for the
* OverTemp signal in the OT Powerdown register.
*
* @param InstancePtr is a pointer to the XSysMon instance.
*
* @return None.
*
* @note This API should be used only with V6/7 Series since the
* upper threshold of OverTemp is programmable in only V6
* SysMon/7 Series and Zynq XADC.
*
*****************************************************************************/
void XSysMon_EnableUserOverTemp(XSysMon *InstancePtr)
{
u16 OtUpper;
/*
* Assert the arguments.
*/
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* Read the OT upper Alarm Threshold Register.
*/
OtUpper = XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_ATR_OT_UPPER_OFFSET);
OtUpper &= ~(XSM_ATR_OT_UPPER_ENB_MASK);
/*
* Preserve the powerdown value and write OT enable value the into the
* OT Upper Alarm Threshold Register.
*/
OtUpper |= XSM_ATR_OT_UPPER_ENB_VAL;
XSysMon_WriteReg(InstancePtr->Config.BaseAddress,
XSM_ATR_OT_UPPER_OFFSET, OtUpper);
}
/****************************************************************************/
/**
*
* This function disables programming of the powerdown temperature for the
* OverTemp signal in the OT Powerdown register.
*
* @param InstancePtr is a pointer to the XSysMon instance.
*
* @return None.
*
* @note This API should be used only with V6 SysMon/7 Series and Zynq
* XADC since the upper threshold of OverTemp is programmable
* in only V6 SysMon/7 Series and Zynq XADC.
*
*****************************************************************************/
void XSysMon_DisableUserOverTemp(XSysMon *InstancePtr)
{
u16 OtUpper;
/*
* Assert the arguments.
*/
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* Read the OT Upper Alarm Threshold Register.
*/
OtUpper = XSysMon_ReadReg(InstancePtr->Config.BaseAddress,
XSM_ATR_OT_UPPER_OFFSET);
OtUpper &= ~(XSM_ATR_OT_UPPER_ENB_MASK);
XSysMon_WriteReg(InstancePtr->Config.BaseAddress,
XSM_ATR_OT_UPPER_OFFSET, OtUpper);
}
/****************************************************************************/
/**
*
* This function enables the Temperature updation logic so that temperature
* can be sent over TEMP_OUT port.
*
* @param InstancePtr is a pointer to the XSysMon instance.
*
* @return None.
*
* @note None
*
*****************************************************************************/
void XSysMon_EnableTempUpdate(XSysMon *InstancePtr)
{
u32 RegVal;
/*
* Assert the arguments.
*/
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
RegVal = (InstancePtr->Mask) | XSM_CONVST_TEMPUPDT_MASK ;
XSysMon_WriteReg(InstancePtr->Config.BaseAddress,
XSM_CONVST_OFFSET, RegVal);
/* Store the written value in Mask */
InstancePtr->Mask = RegVal;
}
/****************************************************************************/
/**
*
* This function disables the Temperature updation logic for TEMP_OUT port
*
* @param InstancePtr is a pointer to the XSysMon instance.
*
* @return None.
*
* @note None
*
*****************************************************************************/
void XSysMon_DisableTempUpdate(XSysMon *InstancePtr)
{
u32 RegVal;
/*
* Assert the arguments.
*/
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
RegVal = (InstancePtr->Mask) & ~(XSM_CONVST_TEMPUPDT_MASK) ;
XSysMon_WriteReg(InstancePtr->Config.BaseAddress,
XSM_CONVST_OFFSET, RegVal);
/* Store the written value in Mask */
InstancePtr->Mask = RegVal;
}
/****************************************************************************/
/**
*
* This function sets the number of Wait Cycles for Temperature updation logic
*
* @param InstancePtr is a pointer to the XSysMon instance.
*
* @return None.
*
* @note The default number of wait cycles are 1000(0x3E8).
*
*****************************************************************************/
void XSysMon_SetTempWaitCycles(XSysMon *InstancePtr, u16 WaitCycles)
{
u32 RegVal;
/*
* Assert the arguments.
*/
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
RegVal = ((InstancePtr->Mask) & ~(XSM_CONVST_WAITCYCLES_MASK)) ;
RegVal = (WaitCycles << XSM_CONVST_WAITCYCLES_SHIFT) | RegVal;
XSysMon_WriteReg(InstancePtr->Config.BaseAddress,
XSM_CONVST_OFFSET, RegVal);
/* Store the written value in Mask */
InstancePtr->Mask = RegVal;
}