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@verbatim
Copyright (C) 2004,2005 ADDI-DATA GmbH for the source code of this module.
ADDI-DATA GmbH
Dieselstrasse 3
D-77833 Ottersweier
Tel: +19(0)7223/9493-0
Fax: +49(0)7223/9493-92
http://www.addi-data.com
info@addi-data.com
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
You should also find the complete GPL in the COPYING file accompanying this source code.
@endverbatim
*/
/*.
+-----------------------------------------------------------------------+
| (C) ADDI-DATA GmbH Dieselstraße 3 D-77833 Ottersweier |
+-----------------------------------------------------------------------+
| Tel : +49 (0) 7223/9493-0 | email : info@addi-data.com |
| Fax : +49 (0) 7223/9493-92 | Internet : http://www.addi-data.com |
+-------------------------------+---------------------------------------+
| Project : APCI-3501 | Compiler : GCC |
| Module name : hwdrv_apci3501.c| Version : 2.96 |
+-------------------------------+---------------------------------------+
| Project manager: Eric Stolz | Date : 02/12/2002 |
+-------------------------------+---------------------------------------+
| Description : Hardware Layer Access For APCI-3501 |
+-----------------------------------------------------------------------+
| UPDATES |
+----------+-----------+------------------------------------------------+
| Date | Author | Description of updates |
+----------+-----------+------------------------------------------------+
| | | |
| | | |
| | | |
+----------+-----------+------------------------------------------------+
*/
/*
+----------------------------------------------------------------------------+
| Included files |
+----------------------------------------------------------------------------+
*/
#include "hwdrv_apci3501.h"
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI3501_ReadDigitalInput |
| (struct comedi_device *dev,struct comedi_subdevice *s, |
| struct comedi_insn *insn,unsigned int *data) |
+----------------------------------------------------------------------------+
| Task : Read value of the selected channel or port |
+----------------------------------------------------------------------------+
| Input Parameters : struct comedi_device *dev : Driver handle |
| unsigned int ui_NoOfChannels : No Of Channels To read |
| unsigned int *data : Data Pointer to read status |
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : TRUE : No error occur |
| : FALSE : Error occur. Return the error |
| |
+----------------------------------------------------------------------------+
*/
int i_APCI3501_ReadDigitalInput(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
unsigned int ui_Temp;
unsigned int ui_NoOfChannel;
ui_NoOfChannel = CR_CHAN(insn->chanspec);
ui_Temp = data[0];
*data = inl(devpriv->iobase + APCI3501_DIGITAL_IP);
if (ui_Temp == 0) {
*data = (*data >> ui_NoOfChannel) & 0x1;
} /* if (ui_Temp==0) */
else {
if (ui_Temp == 1) {
*data = *data & 0x3;
} /* if (ui_Temp==1) */
else {
printk("\nSpecified channel not supported \n");
} /* elseif (ui_Temp==1) */
} /* elseif (ui_Temp==0) */
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI3501_ConfigDigitalOutput |
| (struct comedi_device *dev,struct comedi_subdevice *s, |
| struct comedi_insn *insn,unsigned int *data) |
+----------------------------------------------------------------------------+
| Task : Configures The Digital Output Subdevice. |
+----------------------------------------------------------------------------+
| Input Parameters : struct comedi_device *dev : Driver handle |
| unsigned int *data : Data Pointer contains |
| configuration parameters as below |
| |
| data[1] : 1 Enable VCC Interrupt |
| 0 Disable VCC Interrupt |
| data[2] : 1 Enable CC Interrupt |
| 0 Disable CC Interrupt |
| |
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : TRUE : No error occur |
| : FALSE : Error occur. Return the error |
| |
+----------------------------------------------------------------------------+
*/
int i_APCI3501_ConfigDigitalOutput(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
if ((data[0] != 0) && (data[0] != 1)) {
comedi_error(dev,
"Not a valid Data !!! ,Data should be 1 or 0\n");
return -EINVAL;
} /* if ( (data[0]!=0) && (data[0]!=1) ) */
if (data[0]) {
devpriv->b_OutputMemoryStatus = ADDIDATA_ENABLE;
} /* if (data[0]) */
else {
devpriv->b_OutputMemoryStatus = ADDIDATA_DISABLE;
} /* else if (data[0]) */
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI3501_WriteDigitalOutput |
| (struct comedi_device *dev,struct comedi_subdevice *s, |
| struct comedi_insn *insn,unsigned int *data) |
+----------------------------------------------------------------------------+
| Task : writes To the digital Output Subdevice |
+----------------------------------------------------------------------------+
| Input Parameters : struct comedi_device *dev : Driver handle |
| struct comedi_subdevice *s : Subdevice Pointer |
| struct comedi_insn *insn : Insn Structure Pointer |
| unsigned int *data : Data Pointer contains |
| configuration parameters as below |
| |
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : TRUE : No error occur |
| : FALSE : Error occur. Return the error |
| |
+----------------------------------------------------------------------------+
*/
int i_APCI3501_WriteDigitalOutput(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
unsigned int ui_Temp, ui_Temp1;
unsigned int ui_NoOfChannel = CR_CHAN(insn->chanspec); /* get the channel */
if (devpriv->b_OutputMemoryStatus) {
ui_Temp = inl(devpriv->iobase + APCI3501_DIGITAL_OP);
} /* if(devpriv->b_OutputMemoryStatus ) */
else {
ui_Temp = 0;
} /* if(devpriv->b_OutputMemoryStatus ) */
if (data[3] == 0) {
if (data[1] == 0) {
data[0] = (data[0] << ui_NoOfChannel) | ui_Temp;
outl(data[0], devpriv->iobase + APCI3501_DIGITAL_OP);
} /* if(data[1]==0) */
else {
if (data[1] == 1) {
data[0] = (data[0] << (2 * data[2])) | ui_Temp;
outl(data[0],
devpriv->iobase + APCI3501_DIGITAL_OP);
} /* if(data[1]==1) */
else {
printk("\nSpecified channel not supported\n");
} /* else if(data[1]==1) */
} /* elseif(data[1]==0) */
} /* if(data[3]==0) */
else {
if (data[3] == 1) {
if (data[1] == 0) {
data[0] = ~data[0] & 0x1;
ui_Temp1 = 1;
ui_Temp1 = ui_Temp1 << ui_NoOfChannel;
ui_Temp = ui_Temp | ui_Temp1;
data[0] =
(data[0] << ui_NoOfChannel) ^
0xffffffff;
data[0] = data[0] & ui_Temp;
outl(data[0],
devpriv->iobase + APCI3501_DIGITAL_OP);
} /* if(data[1]==0) */
else {
if (data[1] == 1) {
data[0] = ~data[0] & 0x3;
ui_Temp1 = 3;
ui_Temp1 = ui_Temp1 << 2 * data[2];
ui_Temp = ui_Temp | ui_Temp1;
data[0] =
((data[0] << (2 *
data[2])) ^
0xffffffff) & ui_Temp;
outl(data[0],
devpriv->iobase +
APCI3501_DIGITAL_OP);
} /* if(data[1]==1) */
else {
printk("\nSpecified channel not supported\n");
} /* else if(data[1]==1) */
} /* elseif(data[1]==0) */
} /* if(data[3]==1); */
else {
printk("\nSpecified functionality does not exist\n");
return -EINVAL;
} /* if else data[3]==1) */
} /* if else data[3]==0) */
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI3501_ReadDigitalOutput |
| (struct comedi_device *dev,struct comedi_subdevice *s, |
| struct comedi_insn *insn,unsigned int *data) |
+----------------------------------------------------------------------------+
| Task : Read value of the selected channel or port |
+----------------------------------------------------------------------------+
| Input Parameters : struct comedi_device *dev : Driver handle |
| unsigned int ui_NoOfChannels : No Of Channels To read |
| unsigned int *data : Data Pointer to read status |
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : TRUE : No error occur |
| : FALSE : Error occur. Return the error |
| |
+----------------------------------------------------------------------------+
*/
int i_APCI3501_ReadDigitalOutput(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
unsigned int ui_Temp;
unsigned int ui_NoOfChannel;
ui_NoOfChannel = CR_CHAN(insn->chanspec);
ui_Temp = data[0];
*data = inl(devpriv->iobase + APCI3501_DIGITAL_OP);
if (ui_Temp == 0) {
*data = (*data >> ui_NoOfChannel) & 0x1;
} /* if (ui_Temp==0) */
else {
if (ui_Temp == 1) {
*data = *data & 0x3;
} /* if (ui_Temp==1) */
else {
printk("\nSpecified channel not supported \n");
} /* else if (ui_Temp==1) */
} /* else if (ui_Temp==0) */
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI3501_ConfigAnalogOutput |
| (struct comedi_device *dev,struct comedi_subdevice *s, |
| struct comedi_insn *insn,unsigned int *data) |
+----------------------------------------------------------------------------+
| Task : Configures The Analog Output Subdevice |
+----------------------------------------------------------------------------+
| Input Parameters : struct comedi_device *dev : Driver handle |
| struct comedi_subdevice *s : Subdevice Pointer |
| struct comedi_insn *insn : Insn Structure Pointer |
| unsigned int *data : Data Pointer contains |
| configuration parameters as below |
| |
| data[0] : Voltage Mode |
| 0:Mode 0 |
| 1:Mode 1 |
| |
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : TRUE : No error occur |
| : FALSE : Error occur. Return the error |
| |
+----------------------------------------------------------------------------+
*/
int i_APCI3501_ConfigAnalogOutput(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
outl(data[0],
devpriv->iobase + APCI3501_ANALOG_OUTPUT +
APCI3501_AO_VOLT_MODE);
if (data[0]) {
devpriv->b_InterruptMode = MODE1;
} else {
devpriv->b_InterruptMode = MODE0;
}
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI3501_WriteAnalogOutput |
| (struct comedi_device *dev,struct comedi_subdevice *s, |
| struct comedi_insn *insn,unsigned int *data) |
+----------------------------------------------------------------------------+
| Task : Writes To the Selected Anlog Output Channel |
+----------------------------------------------------------------------------+
| Input Parameters : struct comedi_device *dev : Driver handle |
| struct comedi_subdevice *s : Subdevice Pointer |
| struct comedi_insn *insn : Insn Structure Pointer |
| unsigned int *data : Data Pointer contains |
| configuration parameters as below |
| |
| |
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : TRUE : No error occur |
| : FALSE : Error occur. Return the error |
| |
+----------------------------------------------------------------------------+
*/
int i_APCI3501_WriteAnalogOutput(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
unsigned int ul_Command1 = 0, ul_Channel_no, ul_Polarity, ul_DAC_Ready = 0;
ul_Channel_no = CR_CHAN(insn->chanspec);
if (devpriv->b_InterruptMode == MODE1) {
ul_Polarity = 0x80000000;
if ((*data < 0) || (*data > 16384)) {
printk("\nIn WriteAnalogOutput :: Not Valid Data\n");
}
} /* end if(devpriv->b_InterruptMode==MODE1) */
else {
ul_Polarity = 0;
if ((*data < 0) || (*data > 8192)) {
printk("\nIn WriteAnalogOutput :: Not Valid Data\n");
}
} /* end else */
if ((ul_Channel_no < 0) || (ul_Channel_no > 7)) {
printk("\nIn WriteAnalogOutput :: Not Valid Channel\n");
} /* end if((ul_Channel_no<0)||(ul_Channel_no>7)) */
ul_DAC_Ready = inl(devpriv->iobase + APCI3501_ANALOG_OUTPUT);
while (ul_DAC_Ready == 0) {
ul_DAC_Ready = inl(devpriv->iobase + APCI3501_ANALOG_OUTPUT);
ul_DAC_Ready = (ul_DAC_Ready >> 8) & 1;
}
if (ul_DAC_Ready) {
/* Output the Value on the output channels. */
ul_Command1 =
(unsigned int) ((unsigned int) (ul_Channel_no & 0xFF) |
(unsigned int) ((*data << 0x8) & 0x7FFFFF00L) |
(unsigned int) (ul_Polarity));
outl(ul_Command1,
devpriv->iobase + APCI3501_ANALOG_OUTPUT +
APCI3501_AO_PROG);
}
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI3501_ConfigTimerCounterWatchdog |
| (struct comedi_device *dev,struct comedi_subdevice *s, |
| struct comedi_insn *insn,unsigned int *data) |
+----------------------------------------------------------------------------+
| Task : Configures The Timer , Counter or Watchdog |
+----------------------------------------------------------------------------+
| Input Parameters : struct comedi_device *dev : Driver handle |
| unsigned int *data : Data Pointer contains |
| configuration parameters as below |
| |
| data[0] : 0 Configure As Timer |
| 1 Configure As Counter |
| 2 Configure As Watchdog |
| data[1] : 1 Enable Interrupt |
| 0 Disable Interrupt |
| data[2] : Time Unit |
| data[3] : Reload Value |
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : TRUE : No error occur |
| : FALSE : Error occur. Return the error |
| |
+----------------------------------------------------------------------------+
*/
int i_APCI3501_ConfigTimerCounterWatchdog(struct comedi_device *dev,
struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
{
unsigned int ul_Command1 = 0;
devpriv->tsk_Current = current;
if (data[0] == ADDIDATA_WATCHDOG) {
devpriv->b_TimerSelectMode = ADDIDATA_WATCHDOG;
/* Disable the watchdog */
outl(0x0, devpriv->iobase + APCI3501_WATCHDOG + APCI3501_TCW_PROG); /* disable Wa */
if (data[1] == 1) {
/* Enable TIMER int & DISABLE ALL THE OTHER int SOURCES */
outl(0x02,
devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_PROG);
} else {
outl(0x0, devpriv->iobase + APCI3501_WATCHDOG + APCI3501_TCW_PROG); /* disable Timer interrupt */
}
/* Loading the Timebase value */
outl(data[2],
devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_TIMEBASE);
/* Loading the Reload value */
outl(data[3],
devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_RELOAD_VALUE);
/* Set the mode */
ul_Command1 = inl(devpriv->iobase + APCI3501_WATCHDOG + APCI3501_TCW_PROG) | 0xFFF819E0UL; /* e2->e0 */
outl(ul_Command1,
devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_PROG);
} /* end if(data[0]==ADDIDATA_WATCHDOG) */
else if (data[0] == ADDIDATA_TIMER) {
/* First Stop The Timer */
ul_Command1 =
inl(devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_PROG);
ul_Command1 = ul_Command1 & 0xFFFFF9FEUL;
outl(ul_Command1, devpriv->iobase + APCI3501_WATCHDOG + APCI3501_TCW_PROG); /* Stop The Timer */
devpriv->b_TimerSelectMode = ADDIDATA_TIMER;
if (data[1] == 1) {
/* Enable TIMER int & DISABLE ALL THE OTHER int SOURCES */
outl(0x02,
devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_PROG);
} else {
outl(0x0, devpriv->iobase + APCI3501_WATCHDOG + APCI3501_TCW_PROG); /* disable Timer interrupt */
}
/* Loading Timebase */
outl(data[2],
devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_TIMEBASE);
/* Loading the Reload value */
outl(data[3],
devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_RELOAD_VALUE);
/* printk ("\nTimer Address :: %x\n", (devpriv->iobase+APCI3501_WATCHDOG)); */
ul_Command1 =
inl(devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_PROG);
ul_Command1 =
(ul_Command1 & 0xFFF719E2UL) | 2UL << 13UL | 0x10UL;
outl(ul_Command1, devpriv->iobase + APCI3501_WATCHDOG + APCI3501_TCW_PROG); /* mode 2 */
} /* end if(data[0]==ADDIDATA_TIMER) */
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI3501_StartStopWriteTimerCounterWatchdog |
| (struct comedi_device *dev,struct comedi_subdevice *s, |
| struct comedi_insn *insn,unsigned int *data) |
+----------------------------------------------------------------------------+
| Task : Start / Stop The Selected Timer , Counter or Watchdog |
+----------------------------------------------------------------------------+
| Input Parameters : struct comedi_device *dev : Driver handle |
| unsigned int *data : Data Pointer contains |
| configuration parameters as below |
| |
| data[0] : 0 Timer |
| 1 Counter |
| 2 Watchdog | | data[1] : 1 Start |
| 0 Stop | 2 Trigger |
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : TRUE : No error occur |
| : FALSE : Error occur. Return the error |
| |
+----------------------------------------------------------------------------+
*/
int i_APCI3501_StartStopWriteTimerCounterWatchdog(struct comedi_device *dev,
struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
{
unsigned int ul_Command1 = 0;
int i_Temp;
if (devpriv->b_TimerSelectMode == ADDIDATA_WATCHDOG) {
if (data[1] == 1) {
ul_Command1 =
inl(devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_PROG);
ul_Command1 = (ul_Command1 & 0xFFFFF9FFUL) | 0x1UL;
/* Enable the Watchdog */
outl(ul_Command1,
devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_PROG);
}
else if (data[1] == 0) /* Stop The Watchdog */
{
/* Stop The Watchdog */
ul_Command1 =
inl(devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_PROG);
ul_Command1 = ul_Command1 & 0xFFFFF9FEUL;
outl(0x0,
devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_PROG);
} else if (data[1] == 2) {
ul_Command1 =
inl(devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_PROG);
ul_Command1 = (ul_Command1 & 0xFFFFF9FFUL) | 0x200UL;
outl(ul_Command1,
devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_PROG);
} /* if(data[1]==2) */
} /* end if (devpriv->b_TimerSelectMode==ADDIDATA_WATCHDOG) */
if (devpriv->b_TimerSelectMode == ADDIDATA_TIMER) {
if (data[1] == 1) {
ul_Command1 =
inl(devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_PROG);
ul_Command1 = (ul_Command1 & 0xFFFFF9FFUL) | 0x1UL;
/* Enable the Timer */
outl(ul_Command1,
devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_PROG);
} else if (data[1] == 0) {
/* Stop The Timer */
ul_Command1 =
inl(devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_PROG);
ul_Command1 = ul_Command1 & 0xFFFFF9FEUL;
outl(ul_Command1,
devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_PROG);
}
else if (data[1] == 2) {
/* Trigger the Timer */
ul_Command1 =
inl(devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_PROG);
ul_Command1 = (ul_Command1 & 0xFFFFF9FFUL) | 0x200UL;
outl(ul_Command1,
devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_PROG);
}
} /* end if (devpriv->b_TimerSelectMode==ADDIDATA_TIMER) */
i_Temp = inl(devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_TRIG_STATUS) & 0x1;
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI3501_ReadTimerCounterWatchdog |
| (struct comedi_device *dev,struct comedi_subdevice *s, |
| struct comedi_insn *insn,unsigned int *data) |
+----------------------------------------------------------------------------+
| Task : Read The Selected Timer , Counter or Watchdog |
+----------------------------------------------------------------------------+
| Input Parameters : struct comedi_device *dev : Driver handle |
| unsigned int *data : Data Pointer contains |
| configuration parameters as below |
| |
| data[0] : 0 Timer |
| 1 Counter |
| 2 Watchdog | | data[1] : Timer Counter Watchdog Number |
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : TRUE : No error occur |
| : FALSE : Error occur. Return the error |
| |
+----------------------------------------------------------------------------+
*/
int i_APCI3501_ReadTimerCounterWatchdog(struct comedi_device *dev,
struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
{
if (devpriv->b_TimerSelectMode == ADDIDATA_WATCHDOG) {
data[0] =
inl(devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_TRIG_STATUS) & 0x1;
data[1] = inl(devpriv->iobase + APCI3501_WATCHDOG);
} /* end if (devpriv->b_TimerSelectMode==ADDIDATA_WATCHDOG) */
else if (devpriv->b_TimerSelectMode == ADDIDATA_TIMER) {
data[0] =
inl(devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_TRIG_STATUS) & 0x1;
data[1] = inl(devpriv->iobase + APCI3501_WATCHDOG);
} /* end if (devpriv->b_TimerSelectMode==ADDIDATA_TIMER) */
else if ((devpriv->b_TimerSelectMode != ADDIDATA_TIMER)
&& (devpriv->b_TimerSelectMode != ADDIDATA_WATCHDOG)) {
printk("\nIn ReadTimerCounterWatchdog :: Invalid Subdevice \n");
}
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI3501_Reset(struct comedi_device *dev) |
| |
+----------------------------------------------------------------------------+
| Task :Resets the registers of the card |
+----------------------------------------------------------------------------+
| Input Parameters : |
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : |
| |
+----------------------------------------------------------------------------+
*/
int i_APCI3501_Reset(struct comedi_device *dev)
{
int i_Count = 0, i_temp = 0;
unsigned int ul_Command1 = 0, ul_Polarity, ul_DAC_Ready = 0;
outl(0x0, devpriv->iobase + APCI3501_DIGITAL_OP);
outl(1, devpriv->iobase + APCI3501_ANALOG_OUTPUT +
APCI3501_AO_VOLT_MODE);
ul_Polarity = 0x80000000;
for (i_Count = 0; i_Count <= 7; i_Count++) {
ul_DAC_Ready = inl(devpriv->iobase + APCI3501_ANALOG_OUTPUT);
while (ul_DAC_Ready == 0) {
ul_DAC_Ready =
inl(devpriv->iobase + APCI3501_ANALOG_OUTPUT);
ul_DAC_Ready = (ul_DAC_Ready >> 8) & 1;
}
if (ul_DAC_Ready) {
/* Output the Value on the output channels. */
ul_Command1 =
(unsigned int) ((unsigned int) (i_Count & 0xFF) |
(unsigned int) ((i_temp << 0x8) & 0x7FFFFF00L) |
(unsigned int) (ul_Polarity));
outl(ul_Command1,
devpriv->iobase + APCI3501_ANALOG_OUTPUT +
APCI3501_AO_PROG);
}
}
return 0;
}
/*
+----------------------------------------------------------------------------+
| Function Name : static void v_APCI3501_Interrupt |
| (int irq , void *d) |
+----------------------------------------------------------------------------+
| Task : Interrupt processing Routine |
+----------------------------------------------------------------------------+
| Input Parameters : int irq : irq number |
| void *d : void pointer |
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : TRUE : No error occur |
| : FALSE : Error occur. Return the error |
| |
+----------------------------------------------------------------------------+
*/
void v_APCI3501_Interrupt(int irq, void *d)
{
int i_temp;
struct comedi_device *dev = d;
unsigned int ui_Timer_AOWatchdog;
unsigned long ul_Command1;
/* Disable Interrupt */
ul_Command1 =
inl(devpriv->iobase + APCI3501_WATCHDOG + APCI3501_TCW_PROG);
ul_Command1 = (ul_Command1 & 0xFFFFF9FDul);
outl(ul_Command1,
devpriv->iobase + APCI3501_WATCHDOG + APCI3501_TCW_PROG);
ui_Timer_AOWatchdog =
inl(devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_IRQ) & 0x1;
if ((!ui_Timer_AOWatchdog)) {
comedi_error(dev, "IRQ from unknown source");
return;
}
/*
* Enable Interrupt Send a signal to from kernel to user space
*/
send_sig(SIGIO, devpriv->tsk_Current, 0);
ul_Command1 =
inl(devpriv->iobase + APCI3501_WATCHDOG + APCI3501_TCW_PROG);
ul_Command1 = ((ul_Command1 & 0xFFFFF9FDul) | 1 << 1);
outl(ul_Command1,
devpriv->iobase + APCI3501_WATCHDOG + APCI3501_TCW_PROG);
i_temp = inl(devpriv->iobase + APCI3501_WATCHDOG +
APCI3501_TCW_TRIG_STATUS) & 0x1;
return;
}
|