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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-1564 | Compiler : GCC |
| Module name : hwdrv_apci1564.c| Version : 2.96 |
+-------------------------------+---------------------------------------+
| Project manager: Eric Stolz | Date : 02/12/2002 |
+-------------------------------+---------------------------------------+
| Description : Hardware Layer Access For APCI-1564 |
+-----------------------------------------------------------------------+
| UPDATES |
+----------+-----------+------------------------------------------------+
| Date | Author | Description of updates |
+----------+-----------+------------------------------------------------+
| | | |
| | | |
| | | |
+----------+-----------+------------------------------------------------+
*/
/*
+----------------------------------------------------------------------------+
| Included files |
+----------------------------------------------------------------------------+
*/
#include <linux/delay.h>
#include "hwdrv_apci1564.h"
/* Global variables */
static unsigned int ui_InterruptStatus_1564 = 0;
static unsigned int ui_InterruptData, ui_Type;
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI1564_ConfigDigitalInput |
| (struct comedi_device *dev,struct comedi_subdevice *s, |
| struct comedi_insn *insn,unsigned int *data) |
+----------------------------------------------------------------------------+
| Task : Configures the digital input Subdevice |
+----------------------------------------------------------------------------+
| Input Parameters : struct comedi_device *dev : Driver handle |
| unsigned int *data : Data Pointer contains |
| configuration parameters as below |
| |
| data[0] : 1 Enable Digital Input Interrupt |
| 0 Disable Digital Input Interrupt |
| data[1] : 0 ADDIDATA Interrupt OR LOGIC |
| : 1 ADDIDATA Interrupt AND LOGIC |
| data[2] : Interrupt mask for the mode 1 |
| data[3] : Interrupt mask for the mode 2 |
| |
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : TRUE : No error occur |
| : FALSE : Error occur. Return the error |
| |
+----------------------------------------------------------------------------+
*/
int i_APCI1564_ConfigDigitalInput(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
devpriv->tsk_Current = current;
/*******************************/
/* Set the digital input logic */
/*******************************/
if (data[0] == ADDIDATA_ENABLE) {
data[2] = data[2] << 4;
data[3] = data[3] << 4;
outl(data[2],
devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP +
APCI1564_DIGITAL_IP_INTERRUPT_MODE1);
outl(data[3],
devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP +
APCI1564_DIGITAL_IP_INTERRUPT_MODE2);
if (data[1] == ADDIDATA_OR) {
outl(0x4,
devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP +
APCI1564_DIGITAL_IP_IRQ);
} /* if (data[1] == ADDIDATA_OR) */
else {
outl(0x6,
devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP +
APCI1564_DIGITAL_IP_IRQ);
} /* else if (data[1] == ADDIDATA_OR) */
} /* if (data[0] == ADDIDATA_ENABLE) */
else {
outl(0x0,
devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP +
APCI1564_DIGITAL_IP_INTERRUPT_MODE1);
outl(0x0,
devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP +
APCI1564_DIGITAL_IP_INTERRUPT_MODE2);
outl(0x0,
devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP +
APCI1564_DIGITAL_IP_IRQ);
} /* else if (data[0] == ADDIDATA_ENABLE) */
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI1564_Read1DigitalInput |
| (struct comedi_device *dev,struct comedi_subdevice *s, |
| struct comedi_insn *insn,unsigned int *data) |
+----------------------------------------------------------------------------+
| Task : Return the status of the digital input |
+----------------------------------------------------------------------------+
| Input Parameters : struct comedi_device *dev : Driver handle |
| unsigned int ui_Channel : Channel number 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_APCI1564_Read1DigitalInput(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
unsigned int ui_TmpValue = 0;
unsigned int ui_Channel;
ui_Channel = CR_CHAN(insn->chanspec);
if (ui_Channel <= 31) {
ui_TmpValue =
(unsigned int) inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP);
/*
* since only 1 channel reqd to bring it to last bit it is rotated 8
* +(chan - 1) times then ANDed with 1 for last bit.
*/
*data = (ui_TmpValue >> ui_Channel) & 0x1;
} /* if (ui_Channel >= 0 && ui_Channel <=31) */
else {
comedi_error(dev, "Not a valid channel number !!! \n");
return -EINVAL; /* "sorry channel spec wrong " */
} /* else if (ui_Channel >= 0 && ui_Channel <=31) */
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI1564_ReadMoreDigitalInput |
| (struct comedi_device *dev,struct comedi_subdevice *s, |
| struct comedi_insn *insn,unsigned int *data) |
+----------------------------------------------------------------------------+
| Task : Return the status of the Requested digital inputs |
+----------------------------------------------------------------------------+
| Input Parameters : struct comedi_device *dev : Driver handle |
| unsigned int ui_NoOfChannels : No Of Channels To be 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_APCI1564_ReadMoreDigitalInput(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
unsigned int ui_PortValue = data[0];
unsigned int ui_Mask = 0;
unsigned int ui_NoOfChannels;
ui_NoOfChannels = CR_CHAN(insn->chanspec);
if (data[1] == 0) {
*data = (unsigned int) inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP);
switch (ui_NoOfChannels) {
case 2:
ui_Mask = 3;
*data = (*data >> (2 * ui_PortValue)) & ui_Mask;
break;
case 4:
ui_Mask = 15;
*data = (*data >> (4 * ui_PortValue)) & ui_Mask;
break;
case 8:
ui_Mask = 255;
*data = (*data >> (8 * ui_PortValue)) & ui_Mask;
break;
case 16:
ui_Mask = 65535;
*data = (*data >> (16 * ui_PortValue)) & ui_Mask;
break;
case 31:
break;
default:
comedi_error(dev, "Not a valid Channel number !!!\n");
return -EINVAL; /* "sorry channel spec wrong " */
break;
} /* switch (ui_NoOfChannels) */
} /* if (data[1]==0) */
else {
if (data[1] == 1) {
*data = ui_InterruptStatus_1564;
} /* if (data[1]==1) */
} /* else if (data[1]==0) */
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI1564_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_APCI1564_ConfigDigitalOutput(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
unsigned int ul_Command = 0;
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]) */
if (data[1] == ADDIDATA_ENABLE) {
ul_Command = ul_Command | 0x1;
} /* if (data[1] == ADDIDATA_ENABLE) */
else {
ul_Command = ul_Command & 0xFFFFFFFE;
} /* else if (data[1] == ADDIDATA_ENABLE) */
if (data[2] == ADDIDATA_ENABLE) {
ul_Command = ul_Command | 0x2;
} /* if (data[2] == ADDIDATA_ENABLE) */
else {
ul_Command = ul_Command & 0xFFFFFFFD;
} /* else if (data[2] == ADDIDATA_ENABLE) */
outl(ul_Command,
devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP +
APCI1564_DIGITAL_OP_INTERRUPT);
ui_InterruptData =
inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP +
APCI1564_DIGITAL_OP_INTERRUPT);
devpriv->tsk_Current = current;
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI1564_WriteDigitalOutput |
| (struct comedi_device *dev,struct comedi_subdevice *s, |
| struct comedi_insn *insn,unsigned int *data) |
+----------------------------------------------------------------------------+
| Task : Writes port value To the selected port |
+----------------------------------------------------------------------------+
| Input Parameters : struct comedi_device *dev : Driver handle |
| unsigned int ui_NoOfChannels : No Of Channels To Write |
| unsigned int *data : Data Pointer to read status |
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : TRUE : No error occur |
| : FALSE : Error occur. Return the error |
| |
+----------------------------------------------------------------------------+
*/
int i_APCI1564_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;
ui_NoOfChannel = CR_CHAN(insn->chanspec);
if (devpriv->b_OutputMemoryStatus) {
ui_Temp =
inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP +
APCI1564_DIGITAL_OP_RW);
} /* if (devpriv->b_OutputMemoryStatus ) */
else {
ui_Temp = 0;
} /* else if (devpriv->b_OutputMemoryStatus ) */
if (data[3] == 0) {
if (data[1] == 0) {
data[0] = (data[0] << ui_NoOfChannel) | ui_Temp;
outl(data[0],
devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP +
APCI1564_DIGITAL_OP_RW);
} /* if (data[1]==0) */
else {
if (data[1] == 1) {
switch (ui_NoOfChannel) {
case 2:
data[0] =
(data[0] << (2 *
data[2])) | ui_Temp;
break;
case 4:
data[0] =
(data[0] << (4 *
data[2])) | ui_Temp;
break;
case 8:
data[0] =
(data[0] << (8 *
data[2])) | ui_Temp;
break;
case 16:
data[0] =
(data[0] << (16 *
data[2])) | ui_Temp;
break;
case 31:
data[0] = data[0] | ui_Temp;
break;
default:
comedi_error(dev, " chan spec wrong");
return -EINVAL; /* "sorry channel spec wrong " */
} /* switch (ui_NoOfChannels) */
outl(data[0],
devpriv->i_IobaseAmcc +
APCI1564_DIGITAL_OP +
APCI1564_DIGITAL_OP_RW);
} /* if (data[1]==1) */
else {
printk("\nSpecified channel not supported\n");
} /* else if (data[1]==1) */
} /* else if (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->i_IobaseAmcc +
APCI1564_DIGITAL_OP +
APCI1564_DIGITAL_OP_RW);
} /* if (data[1]==0) */
else {
if (data[1] == 1) {
switch (ui_NoOfChannel) {
case 2:
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;
break;
case 4:
data[0] = ~data[0] & 0xf;
ui_Temp1 = 15;
ui_Temp1 =
ui_Temp1 << 4 * data[2];
ui_Temp = ui_Temp | ui_Temp1;
data[0] =
((data[0] << (4 *
data
[2])) ^
0xffffffff) & ui_Temp;
break;
case 8:
data[0] = ~data[0] & 0xff;
ui_Temp1 = 255;
ui_Temp1 =
ui_Temp1 << 8 * data[2];
ui_Temp = ui_Temp | ui_Temp1;
data[0] =
((data[0] << (8 *
data
[2])) ^
0xffffffff) & ui_Temp;
break;
case 16:
data[0] = ~data[0] & 0xffff;
ui_Temp1 = 65535;
ui_Temp1 =
ui_Temp1 << 16 *
data[2];
ui_Temp = ui_Temp | ui_Temp1;
data[0] =
((data[0] << (16 *
data
[2])) ^
0xffffffff) & ui_Temp;
break;
case 31:
break;
default:
comedi_error(dev,
" chan spec wrong");
return -EINVAL; /* "sorry channel spec wrong " */
} /* switch(ui_NoOfChannels) */
outl(data[0],
devpriv->i_IobaseAmcc +
APCI1564_DIGITAL_OP +
APCI1564_DIGITAL_OP_RW);
} /* if (data[1]==1) */
else {
printk("\nSpecified channel not supported\n");
} /* else if (data[1]==1) */
} /* else if (data[1]==0) */
} /* if (data[3]==1); */
else {
printk("\nSpecified functionality does not exist\n");
return -EINVAL;
} /* else if (data[3]==1) */
} /* else if (data[3]==0) */
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI1564_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_APCI1564_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->i_IobaseAmcc + APCI1564_DIGITAL_OP +
APCI1564_DIGITAL_OP_RW);
if (ui_Temp == 0) {
*data = (*data >> ui_NoOfChannel) & 0x1;
} /* if (ui_Temp==0) */
else {
if (ui_Temp == 1) {
switch (ui_NoOfChannel) {
case 2:
*data = (*data >> (2 * data[1])) & 3;
break;
case 4:
*data = (*data >> (4 * data[1])) & 15;
break;
case 8:
*data = (*data >> (8 * data[1])) & 255;
break;
case 16:
*data = (*data >> (16 * data[1])) & 65535;
break;
case 31:
break;
default:
comedi_error(dev, " chan spec wrong");
return -EINVAL; /* "sorry channel spec wrong " */
break;
} /* switch(ui_NoOfChannels) */
} /* 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_APCI1564_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 |
| data[4] : Timer Mode |
| data[5] : Timer Counter Watchdog Number|
data[6] : Counter Direction
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : TRUE : No error occur |
| : FALSE : Error occur. Return the error |
| |
+----------------------------------------------------------------------------+
*/
int i_APCI1564_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->i_IobaseAmcc + APCI1564_DIGITAL_OP_WATCHDOG +
APCI1564_TCW_PROG);
/* Loading the Reload value */
outl(data[3],
devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP_WATCHDOG +
APCI1564_TCW_RELOAD_VALUE);
} /* if (data[0]==ADDIDATA_WATCHDOG) */
else if (data[0] == ADDIDATA_TIMER) {
/* First Stop The Timer */
ul_Command1 =
inl(devpriv->i_IobaseAmcc + APCI1564_TIMER +
APCI1564_TCW_PROG);
ul_Command1 = ul_Command1 & 0xFFFFF9FEUL;
outl(ul_Command1, devpriv->i_IobaseAmcc + APCI1564_TIMER + APCI1564_TCW_PROG); /* Stop The Timer */
devpriv->b_TimerSelectMode = ADDIDATA_TIMER;
if (data[1] == 1) {
outl(0x02, devpriv->i_IobaseAmcc + APCI1564_TIMER + APCI1564_TCW_PROG); /* Enable TIMER int & DISABLE ALL THE OTHER int SOURCES */
outl(0x0,
devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP +
APCI1564_DIGITAL_IP_IRQ);
outl(0x0,
devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP +
APCI1564_DIGITAL_OP_IRQ);
outl(0x0,
devpriv->i_IobaseAmcc +
APCI1564_DIGITAL_OP_WATCHDOG +
APCI1564_TCW_IRQ);
outl(0x0,
devpriv->iobase + APCI1564_COUNTER1 +
APCI1564_TCW_IRQ);
outl(0x0,
devpriv->iobase + APCI1564_COUNTER2 +
APCI1564_TCW_IRQ);
outl(0x0,
devpriv->iobase + APCI1564_COUNTER3 +
APCI1564_TCW_IRQ);
outl(0x0,
devpriv->iobase + APCI1564_COUNTER4 +
APCI1564_TCW_IRQ);
} /* if (data[1]==1) */
else {
outl(0x0, devpriv->i_IobaseAmcc + APCI1564_TIMER + APCI1564_TCW_PROG); /* disable Timer interrupt */
} /* else if (data[1]==1) */
/* Loading Timebase */
outl(data[2],
devpriv->i_IobaseAmcc + APCI1564_TIMER +
APCI1564_TCW_TIMEBASE);
/* Loading the Reload value */
outl(data[3],
devpriv->i_IobaseAmcc + APCI1564_TIMER +
APCI1564_TCW_RELOAD_VALUE);
ul_Command1 =
inl(devpriv->i_IobaseAmcc + APCI1564_TIMER +
APCI1564_TCW_PROG);
ul_Command1 =
(ul_Command1 & 0xFFF719E2UL) | 2UL << 13UL | 0x10UL;
outl(ul_Command1, devpriv->i_IobaseAmcc + APCI1564_TIMER + APCI1564_TCW_PROG); /* mode 2 */
} /* else if (data[0]==ADDIDATA_TIMER) */
else if (data[0] == ADDIDATA_COUNTER) {
devpriv->b_TimerSelectMode = ADDIDATA_COUNTER;
devpriv->b_ModeSelectRegister = data[5];
/* First Stop The Counter */
ul_Command1 =
inl(devpriv->iobase + ((data[5] - 1) * 0x20) +
APCI1564_TCW_PROG);
ul_Command1 = ul_Command1 & 0xFFFFF9FEUL;
outl(ul_Command1, devpriv->iobase + ((data[5] - 1) * 0x20) + APCI1564_TCW_PROG); /* Stop The Timer */
/************************/
/* Set the reload value */
/************************/
outl(data[3],
devpriv->iobase + ((data[5] - 1) * 0x20) +
APCI1564_TCW_RELOAD_VALUE);
/******************************/
/* Set the mode : */
/* - Disable the hardware */
/* - Disable the counter mode */
/* - Disable the warning */
/* - Disable the reset */
/* - Disable the timer mode */
/* - Enable the counter mode */
/******************************/
ul_Command1 =
(ul_Command1 & 0xFFFC19E2UL) | 0x80000UL |
(unsigned int) ((unsigned int) data[4] << 16UL);
outl(ul_Command1,
devpriv->iobase + ((data[5] - 1) * 0x20) +
APCI1564_TCW_PROG);
/* Enable or Disable Interrupt */
ul_Command1 = (ul_Command1 & 0xFFFFF9FD) | (data[1] << 1);
outl(ul_Command1,
devpriv->iobase + ((data[5] - 1) * 0x20) +
APCI1564_TCW_PROG);
/*****************************/
/* Set the Up/Down selection */
/*****************************/
ul_Command1 = (ul_Command1 & 0xFFFBF9FFUL) | (data[6] << 18);
outl(ul_Command1,
devpriv->iobase + ((data[5] - 1) * 0x20) +
APCI1564_TCW_PROG);
} /* else if (data[0]==ADDIDATA_COUNTER) */
else {
printk(" Invalid subdevice.");
} /* else if (data[0]==ADDIDATA_WATCHDOG) */
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI1564_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 |
| Clear (Only Counter) |
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : TRUE : No error occur |
| : FALSE : Error occur. Return the error |
| |
+----------------------------------------------------------------------------+
*/
int i_APCI1564_StartStopWriteTimerCounterWatchdog(struct comedi_device *dev,
struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
{
unsigned int ul_Command1 = 0;
if (devpriv->b_TimerSelectMode == ADDIDATA_WATCHDOG) {
switch (data[1]) {
case 0: /* stop the watchdog */
outl(0x0, devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP_WATCHDOG + APCI1564_TCW_PROG); /* disable the watchdog */
break;
case 1: /* start the watchdog */
outl(0x0001,
devpriv->i_IobaseAmcc +
APCI1564_DIGITAL_OP_WATCHDOG +
APCI1564_TCW_PROG);
break;
case 2: /* Software trigger */
outl(0x0201,
devpriv->i_IobaseAmcc +
APCI1564_DIGITAL_OP_WATCHDOG +
APCI1564_TCW_PROG);
break;
default:
printk("\nSpecified functionality does not exist\n");
return -EINVAL;
} /* switch (data[1]) */
} /* if (devpriv->b_TimerSelectMode==ADDIDATA_WATCHDOG) */
if (devpriv->b_TimerSelectMode == ADDIDATA_TIMER) {
if (data[1] == 1) {
ul_Command1 =
inl(devpriv->i_IobaseAmcc + APCI1564_TIMER +
APCI1564_TCW_PROG);
ul_Command1 = (ul_Command1 & 0xFFFFF9FFUL) | 0x1UL;
/* Enable the Timer */
outl(ul_Command1,
devpriv->i_IobaseAmcc + APCI1564_TIMER +
APCI1564_TCW_PROG);
} /* if (data[1]==1) */
else if (data[1] == 0) {
/* Stop The Timer */
ul_Command1 =
inl(devpriv->i_IobaseAmcc + APCI1564_TIMER +
APCI1564_TCW_PROG);
ul_Command1 = ul_Command1 & 0xFFFFF9FEUL;
outl(ul_Command1,
devpriv->i_IobaseAmcc + APCI1564_TIMER +
APCI1564_TCW_PROG);
} /* else if(data[1]==0) */
} /* if (devpriv->b_TimerSelectMode==ADDIDATA_TIMER) */
if (devpriv->b_TimerSelectMode == ADDIDATA_COUNTER) {
ul_Command1 =
inl(devpriv->iobase + ((devpriv->b_ModeSelectRegister -
1) * 0x20) + APCI1564_TCW_PROG);
if (data[1] == 1) {
/* Start the Counter subdevice */
ul_Command1 = (ul_Command1 & 0xFFFFF9FFUL) | 0x1UL;
} /* if (data[1] == 1) */
else if (data[1] == 0) {
/* Stops the Counter subdevice */
ul_Command1 = 0;
} /* else if (data[1] == 0) */
else if (data[1] == 2) {
/* Clears the Counter subdevice */
ul_Command1 = (ul_Command1 & 0xFFFFF9FFUL) | 0x400;
} /* else if (data[1] == 3) */
outl(ul_Command1,
devpriv->iobase + ((devpriv->b_ModeSelectRegister -
1) * 0x20) + APCI1564_TCW_PROG);
} /* if (devpriv->b_TimerSelectMode==ADDIDATA_COUNTER) */
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI1564_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 |
| |
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : TRUE : No error occur |
| : FALSE : Error occur. Return the error |
| |
+----------------------------------------------------------------------------+
*/
int i_APCI1564_ReadTimerCounterWatchdog(struct comedi_device *dev,
struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
{
unsigned int ul_Command1 = 0;
if (devpriv->b_TimerSelectMode == ADDIDATA_WATCHDOG) {
/* Stores the status of the Watchdog */
data[0] =
inl(devpriv->i_IobaseAmcc +
APCI1564_DIGITAL_OP_WATCHDOG +
APCI1564_TCW_TRIG_STATUS) & 0x1;
data[1] =
inl(devpriv->i_IobaseAmcc +
APCI1564_DIGITAL_OP_WATCHDOG);
} /* if (devpriv->b_TimerSelectMode==ADDIDATA_WATCHDOG) */
else if (devpriv->b_TimerSelectMode == ADDIDATA_TIMER) {
/* Stores the status of the Timer */
data[0] =
inl(devpriv->i_IobaseAmcc + APCI1564_TIMER +
APCI1564_TCW_TRIG_STATUS) & 0x1;
/* Stores the Actual value of the Timer */
data[1] = inl(devpriv->i_IobaseAmcc + APCI1564_TIMER);
} /* else if (devpriv->b_TimerSelectMode==ADDIDATA_TIMER) */
else if (devpriv->b_TimerSelectMode == ADDIDATA_COUNTER) {
/* Read the Counter Actual Value. */
data[0] =
inl(devpriv->iobase + ((devpriv->b_ModeSelectRegister -
1) * 0x20) +
APCI1564_TCW_SYNC_ENABLEDISABLE);
ul_Command1 =
inl(devpriv->iobase + ((devpriv->b_ModeSelectRegister -
1) * 0x20) + APCI1564_TCW_TRIG_STATUS);
/***********************************/
/* Get the software trigger status */
/***********************************/
data[1] = (unsigned char) ((ul_Command1 >> 1) & 1);
/***********************************/
/* Get the hardware trigger status */
/***********************************/
data[2] = (unsigned char) ((ul_Command1 >> 2) & 1);
/*********************************/
/* Get the software clear status */
/*********************************/
data[3] = (unsigned char) ((ul_Command1 >> 3) & 1);
/***************************/
/* Get the overflow status */
/***************************/
data[4] = (unsigned char) ((ul_Command1 >> 0) & 1);
} /* else if (devpriv->b_TimerSelectMode==ADDIDATA_COUNTER) */
else if ((devpriv->b_TimerSelectMode != ADDIDATA_TIMER)
&& (devpriv->b_TimerSelectMode != ADDIDATA_WATCHDOG)
&& (devpriv->b_TimerSelectMode != ADDIDATA_COUNTER)) {
printk("\n Invalid Subdevice !!!\n");
} /* else if ((devpriv->b_TimerSelectMode!=ADDIDATA_TIMER) && (devpriv->b_TimerSelectMode!=ADDIDATA_WATCHDOG)&& (devpriv->b_TimerSelectMode!=ADDIDATA_COUNTER)) */
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI1564_ReadInterruptStatus |
| (struct comedi_device *dev,struct comedi_subdevice *s, |
| struct comedi_insn *insn,unsigned int *data) |
+----------------------------------------------------------------------------+
| Task :Reads the interrupt status register |
+----------------------------------------------------------------------------+
| Input Parameters : |
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : |
| |
+----------------------------------------------------------------------------+
*/
int i_APCI1564_ReadInterruptStatus(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
*data = ui_Type;
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : static void v_APCI1564_Interrupt |
| (int irq , void *d) |
+----------------------------------------------------------------------------+
| Task : Interrupt handler for the interruptible digital inputs |
+----------------------------------------------------------------------------+
| Input Parameters : int irq : irq number |
| void *d : void pointer |
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : TRUE : No error occur |
| : FALSE : Error occur. Return the error |
| |
+----------------------------------------------------------------------------+
*/
static void v_APCI1564_Interrupt(int irq, void *d)
{
struct comedi_device *dev = d;
unsigned int ui_DO, ui_DI;
unsigned int ui_Timer;
unsigned int ui_C1, ui_C2, ui_C3, ui_C4;
unsigned int ul_Command2 = 0;
ui_DI = inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP +
APCI1564_DIGITAL_IP_IRQ) & 0x01;
ui_DO = inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP +
APCI1564_DIGITAL_OP_IRQ) & 0x01;
ui_Timer =
inl(devpriv->i_IobaseAmcc + APCI1564_TIMER +
APCI1564_TCW_IRQ) & 0x01;
ui_C1 = inl(devpriv->iobase + APCI1564_COUNTER1 +
APCI1564_TCW_IRQ) & 0x1;
ui_C2 = inl(devpriv->iobase + APCI1564_COUNTER2 +
APCI1564_TCW_IRQ) & 0x1;
ui_C3 = inl(devpriv->iobase + APCI1564_COUNTER3 +
APCI1564_TCW_IRQ) & 0x1;
ui_C4 = inl(devpriv->iobase + APCI1564_COUNTER4 +
APCI1564_TCW_IRQ) & 0x1;
if (ui_DI == 0 && ui_DO == 0 && ui_Timer == 0 && ui_C1 == 0
&& ui_C2 == 0 && ui_C3 == 0 && ui_C4 == 0) {
printk("\nInterrupt from unknown source\n");
} /* if(ui_DI==0 && ui_DO==0 && ui_Timer==0 && ui_C1==0 && ui_C2==0 && ui_C3==0 && ui_C4==0) */
if (ui_DI == 1) {
ui_DI = inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP +
APCI1564_DIGITAL_IP_IRQ);
outl(0x0,
devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP +
APCI1564_DIGITAL_IP_IRQ);
ui_InterruptStatus_1564 =
inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP +
APCI1564_DIGITAL_IP_INTERRUPT_STATUS);
ui_InterruptStatus_1564 = ui_InterruptStatus_1564 & 0X000FFFF0;
send_sig(SIGIO, devpriv->tsk_Current, 0); /* send signal to the sample */
outl(ui_DI, devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP + APCI1564_DIGITAL_IP_IRQ); /* enable the interrupt */
return;
}
if (ui_DO == 1) {
/* Check for Digital Output interrupt Type - 1: Vcc interrupt 2: CC interrupt. */
ui_Type =
inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP +
APCI1564_DIGITAL_OP_INTERRUPT_STATUS) & 0x3;
/* Disable the Interrupt */
outl(0x0,
devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP +
APCI1564_DIGITAL_OP_INTERRUPT);
/* Sends signal to user space */
send_sig(SIGIO, devpriv->tsk_Current, 0);
} /* if (ui_DO) */
if (ui_Timer == 1) {
devpriv->b_TimerSelectMode = ADDIDATA_TIMER;
if (devpriv->b_TimerSelectMode) {
/* Disable Timer Interrupt */
ul_Command2 =
inl(devpriv->i_IobaseAmcc + APCI1564_TIMER +
APCI1564_TCW_PROG);
outl(0x0,
devpriv->i_IobaseAmcc + APCI1564_TIMER +
APCI1564_TCW_PROG);
/* Send a signal to from kernel to user space */
send_sig(SIGIO, devpriv->tsk_Current, 0);
/* Enable Timer Interrupt */
outl(ul_Command2,
devpriv->i_IobaseAmcc + APCI1564_TIMER +
APCI1564_TCW_PROG);
}
}/* if (ui_Timer == 1) */
if (ui_C1 == 1) {
devpriv->b_TimerSelectMode = ADDIDATA_COUNTER;
if (devpriv->b_TimerSelectMode) {
/* Disable Counter Interrupt */
ul_Command2 =
inl(devpriv->iobase + APCI1564_COUNTER1 +
APCI1564_TCW_PROG);
outl(0x0,
devpriv->iobase + APCI1564_COUNTER1 +
APCI1564_TCW_PROG);
/* Send a signal to from kernel to user space */
send_sig(SIGIO, devpriv->tsk_Current, 0);
/* Enable Counter Interrupt */
outl(ul_Command2,
devpriv->iobase + APCI1564_COUNTER1 +
APCI1564_TCW_PROG);
}
} /* if (ui_C1 == 1) */
if (ui_C2 == 1) {
devpriv->b_TimerSelectMode = ADDIDATA_COUNTER;
if (devpriv->b_TimerSelectMode) {
/* Disable Counter Interrupt */
ul_Command2 =
inl(devpriv->iobase + APCI1564_COUNTER2 +
APCI1564_TCW_PROG);
outl(0x0,
devpriv->iobase + APCI1564_COUNTER2 +
APCI1564_TCW_PROG);
/* Send a signal to from kernel to user space */
send_sig(SIGIO, devpriv->tsk_Current, 0);
/* Enable Counter Interrupt */
outl(ul_Command2,
devpriv->iobase + APCI1564_COUNTER2 +
APCI1564_TCW_PROG);
}
} /* if ((ui_C2 == 1) */
if (ui_C3 == 1) {
devpriv->b_TimerSelectMode = ADDIDATA_COUNTER;
if (devpriv->b_TimerSelectMode) {
/* Disable Counter Interrupt */
ul_Command2 =
inl(devpriv->iobase + APCI1564_COUNTER3 +
APCI1564_TCW_PROG);
outl(0x0,
devpriv->iobase + APCI1564_COUNTER3 +
APCI1564_TCW_PROG);
/* Send a signal to from kernel to user space */
send_sig(SIGIO, devpriv->tsk_Current, 0);
/* Enable Counter Interrupt */
outl(ul_Command2,
devpriv->iobase + APCI1564_COUNTER3 +
APCI1564_TCW_PROG);
}
} /* if ((ui_C3 == 1) */
if (ui_C4 == 1) {
devpriv->b_TimerSelectMode = ADDIDATA_COUNTER;
if (devpriv->b_TimerSelectMode) {
/* Disable Counter Interrupt */
ul_Command2 =
inl(devpriv->iobase + APCI1564_COUNTER4 +
APCI1564_TCW_PROG);
outl(0x0,
devpriv->iobase + APCI1564_COUNTER4 +
APCI1564_TCW_PROG);
/* Send a signal to from kernel to user space */
send_sig(SIGIO, devpriv->tsk_Current, 0);
/* Enable Counter Interrupt */
outl(ul_Command2,
devpriv->iobase + APCI1564_COUNTER4 +
APCI1564_TCW_PROG);
}
} /* if (ui_C4 == 1) */
return;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI1564_Reset(struct comedi_device *dev) | |
+----------------------------------------------------------------------------+
| Task :resets all the registers |
+----------------------------------------------------------------------------+
| Input Parameters : struct comedi_device *dev
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : |
| |
+----------------------------------------------------------------------------+
*/
int i_APCI1564_Reset(struct comedi_device *dev)
{
outl(0x0, devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP_IRQ); /* disable the interrupts */
inl(devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP_INTERRUPT_STATUS); /* Reset the interrupt status register */
outl(0x0, devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP_INTERRUPT_MODE1); /* Disable the and/or interrupt */
outl(0x0, devpriv->i_IobaseAmcc + APCI1564_DIGITAL_IP_INTERRUPT_MODE2);
devpriv->b_DigitalOutputRegister = 0;
ui_Type = 0;
outl(0x0, devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP); /* Resets the output channels */
outl(0x0, devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP_INTERRUPT); /* Disables the interrupt. */
outl(0x0,
devpriv->i_IobaseAmcc + APCI1564_DIGITAL_OP_WATCHDOG +
APCI1564_TCW_RELOAD_VALUE);
outl(0x0, devpriv->i_IobaseAmcc + APCI1564_TIMER);
outl(0x0, devpriv->i_IobaseAmcc + APCI1564_TIMER + APCI1564_TCW_PROG);
outl(0x0, devpriv->iobase + APCI1564_COUNTER1 + APCI1564_TCW_PROG);
outl(0x0, devpriv->iobase + APCI1564_COUNTER2 + APCI1564_TCW_PROG);
outl(0x0, devpriv->iobase + APCI1564_COUNTER3 + APCI1564_TCW_PROG);
outl(0x0, devpriv->iobase + APCI1564_COUNTER4 + APCI1564_TCW_PROG);
return 0;
}
|