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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-035 | Compiler : GCC |
| Module name : hwdrv_apci035.c | Version : 2.96 |
+-------------------------------+---------------------------------------+
| Project manager: Eric Stolz | Date : 02/12/2002 |
+-------------------------------+---------------------------------------+
| Description : Hardware Layer Access For APCI-035 |
+-----------------------------------------------------------------------+
| UPDATES |
+----------+-----------+------------------------------------------------+
| Date | Author | Description of updates |
+----------+-----------+------------------------------------------------+
| | | |
| | | |
| | | |
+----------+-----------+------------------------------------------------+
*/
/*
+----------------------------------------------------------------------------+
| Included files |
+----------------------------------------------------------------------------+
*/
#include "hwdrv_apci035.h"
static int i_WatchdogNbr = 0;
static int i_Temp = 0;
static int i_Flag = 1;
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI035_ConfigTimerWatchdog |
| (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 Watchdog |
| data[1] : Watchdog number
| data[2] : Time base Unit |
| data[3] : Reload Value |
| data[4] : External Trigger |
| 1:Enable
| 0:Disable
| data[5] :External Trigger Level
| 00 Trigger Disabled
| 01 Trigger Enabled (Low level)
| 10 Trigger Enabled (High Level)
| 11 Trigger Enabled (High/Low level)
| data[6] : External Gate |
| 1:Enable
| 0:Disable
| data[7] : External Gate level
| 00 Gate Disabled
| 01 Gate Enabled (Low level)
| 10 Gate Enabled (High Level)
| data[8] :Warning Relay
| 1: ENABLE
| 0: DISABLE
| data[9] :Warning Delay available
| data[10] :Warning Relay Time unit
| data[11] :Warning Relay Time Reload value
| data[12] :Reset Relay
| 1 : ENABLE
| 0 : DISABLE
| data[13] :Interrupt
| 1 : ENABLE
| 0 : DISABLE
|
|
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : TRUE : No error occur |
| : FALSE : Error occur. Return the error |
| |
+----------------------------------------------------------------------------+
*/
int i_APCI035_ConfigTimerWatchdog(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
struct addi_private *devpriv = dev->private;
unsigned int ui_Status = 0;
unsigned int ui_Command = 0;
unsigned int ui_Mode = 0;
i_Temp = 0;
devpriv->tsk_Current = current;
devpriv->b_TimerSelectMode = data[0];
i_WatchdogNbr = data[1];
if (data[0] == 0) {
ui_Mode = 2;
} else {
ui_Mode = 0;
}
/* ui_Command = inl(devpriv->iobase+((i_WatchdogNbr-1)*32)+12); */
ui_Command = 0;
/* ui_Command = ui_Command & 0xFFFFF9FEUL; */
outl(ui_Command, devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
ui_Command = 0;
ui_Command = inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
/************************/
/* Set the reload value */
/************************/
outl(data[3], devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 4);
/*********************/
/* Set the time unit */
/*********************/
outl(data[2], devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 8);
if (data[0] == ADDIDATA_TIMER) {
/******************************/
/* Set the mode : */
/* - Disable the hardware */
/* - Disable the counter mode */
/* - Disable the warning */
/* - Disable the reset */
/* - Enable the timer mode */
/* - Set the timer mode */
/******************************/
ui_Command =
(ui_Command & 0xFFF719E2UL) | ui_Mode << 13UL | 0x10UL;
} /* if (data[0] == ADDIDATA_TIMER) */
else {
if (data[0] == ADDIDATA_WATCHDOG) {
/******************************/
/* Set the mode : */
/* - Disable the hardware */
/* - Disable the counter mode */
/* - Disable the warning */
/* - Disable the reset */
/* - Disable the timer mode */
/******************************/
ui_Command = ui_Command & 0xFFF819E2UL;
} else {
printk("\n The parameter for Timer/watchdog selection is in error\n");
return -EINVAL;
}
}
outl(ui_Command, devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
ui_Command = 0;
ui_Command = inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
/********************************/
/* Disable the hardware trigger */
/********************************/
ui_Command = ui_Command & 0xFFFFF89FUL;
if (data[4] == ADDIDATA_ENABLE) {
/**********************************/
/* Set the hardware trigger level */
/**********************************/
ui_Command = ui_Command | (data[5] << 5);
}
outl(ui_Command, devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
ui_Command = 0;
ui_Command = inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
/*****************************/
/* Disable the hardware gate */
/*****************************/
ui_Command = ui_Command & 0xFFFFF87FUL;
if (data[6] == ADDIDATA_ENABLE) {
/*******************************/
/* Set the hardware gate level */
/*******************************/
ui_Command = ui_Command | (data[7] << 7);
}
outl(ui_Command, devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
ui_Command = 0;
ui_Command = inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
/*******************************/
/* Disable the hardware output */
/*******************************/
ui_Command = ui_Command & 0xFFFFF9FBUL;
/*********************************/
/* Set the hardware output level */
/*********************************/
ui_Command = ui_Command | (data[8] << 2);
outl(ui_Command, devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
if (data[9] == ADDIDATA_ENABLE) {
/************************/
/* Set the reload value */
/************************/
outl(data[11],
devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 24);
/**********************/
/* Set the time unite */
/**********************/
outl(data[10],
devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 28);
}
ui_Command = 0;
ui_Command = inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
/*******************************/
/* Disable the hardware output */
/*******************************/
ui_Command = ui_Command & 0xFFFFF9F7UL;
/*********************************/
/* Set the hardware output level */
/*********************************/
ui_Command = ui_Command | (data[12] << 3);
outl(ui_Command, devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
/*************************************/
/** Enable the watchdog interrupt **/
/*************************************/
ui_Command = 0;
ui_Command = inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
/*******************************/
/* Set the interrupt selection */
/*******************************/
ui_Status = inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 16);
ui_Command = (ui_Command & 0xFFFFF9FDUL) | (data[13] << 1);
outl(ui_Command, devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI035_StartStopWriteTimerWatchdog |
| (struct comedi_device *dev,struct comedi_subdevice *s, |
| struct comedi_insn *insn,unsigned int *data) |
+----------------------------------------------------------------------------+
| Task : Start / Stop The Selected Timer , or Watchdog |
+----------------------------------------------------------------------------+
| Input Parameters : struct comedi_device *dev : Driver handle |
| unsigned int *data : Data Pointer contains |
| configuration parameters as below |
| |
| data[0] : 0 - Stop Selected Timer/Watchdog |
| 1 - Start Selected Timer/Watchdog |
| 2 - Trigger Selected Timer/Watchdog |
| 3 - Stop All Timer/Watchdog |
| 4 - Start All Timer/Watchdog |
| 5 - Trigger All Timer/Watchdog |
| |
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : TRUE : No error occur |
| : FALSE : Error occur. Return the error |
| |
+----------------------------------------------------------------------------+
*/
int i_APCI035_StartStopWriteTimerWatchdog(struct comedi_device *dev,
struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
{
struct addi_private *devpriv = dev->private;
unsigned int ui_Command = 0;
int i_Count = 0;
if (data[0] == 1) {
ui_Command =
inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
/**********************/
/* Start the hardware */
/**********************/
ui_Command = (ui_Command & 0xFFFFF9FFUL) | 0x1UL;
outl(ui_Command,
devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
} /* if (data[0]==1) */
if (data[0] == 2) {
ui_Command =
inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
/***************************/
/* Set the trigger command */
/***************************/
ui_Command = (ui_Command & 0xFFFFF9FFUL) | 0x200UL;
outl(ui_Command,
devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
}
if (data[0] == 0) /* Stop The Watchdog */
{
/* Stop The Watchdog */
ui_Command = 0;
/*
* ui_Command = inl(devpriv->iobase+((i_WatchdogNbr-1)*32)+12);
* ui_Command = ui_Command & 0xFFFFF9FEUL;
*/
outl(ui_Command,
devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
} /* if (data[1]==0) */
if (data[0] == 3) /* stop all Watchdogs */
{
ui_Command = 0;
for (i_Count = 1; i_Count <= 4; i_Count++) {
if (devpriv->b_TimerSelectMode == ADDIDATA_WATCHDOG) {
ui_Command = 0x2UL;
} else {
ui_Command = 0x10UL;
}
i_WatchdogNbr = i_Count;
outl(ui_Command,
devpriv->iobase + ((i_WatchdogNbr - 1) * 32) +
0);
}
}
if (data[0] == 4) /* start all Watchdogs */
{
ui_Command = 0;
for (i_Count = 1; i_Count <= 4; i_Count++) {
if (devpriv->b_TimerSelectMode == ADDIDATA_WATCHDOG) {
ui_Command = 0x1UL;
} else {
ui_Command = 0x8UL;
}
i_WatchdogNbr = i_Count;
outl(ui_Command,
devpriv->iobase + ((i_WatchdogNbr - 1) * 32) +
0);
}
}
if (data[0] == 5) /* trigger all Watchdogs */
{
ui_Command = 0;
for (i_Count = 1; i_Count <= 4; i_Count++) {
if (devpriv->b_TimerSelectMode == ADDIDATA_WATCHDOG) {
ui_Command = 0x4UL;
} else {
ui_Command = 0x20UL;
}
i_WatchdogNbr = i_Count;
outl(ui_Command,
devpriv->iobase + ((i_WatchdogNbr - 1) * 32) +
0);
}
i_Temp = 1;
}
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI035_ReadTimerWatchdog |
| (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 : data[0] : software trigger status
| data[1] : hardware trigger status
| data[2] : Software clear status
| data[3] : Overflow status
| data[4] : Timer actual value
|
+----------------------------------------------------------------------------+
| Return Value : TRUE : No error occur |
| : FALSE : Error occur. Return the error |
| |
+----------------------------------------------------------------------------+
*/
int i_APCI035_ReadTimerWatchdog(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
struct addi_private *devpriv = dev->private;
unsigned int ui_Status = 0; /* Status register */
i_WatchdogNbr = insn->unused[0];
/******************/
/* Get the status */
/******************/
ui_Status = inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 16);
/***********************************/
/* Get the software trigger status */
/***********************************/
data[0] = ((ui_Status >> 1) & 1);
/***********************************/
/* Get the hardware trigger status */
/***********************************/
data[1] = ((ui_Status >> 2) & 1);
/*********************************/
/* Get the software clear status */
/*********************************/
data[2] = ((ui_Status >> 3) & 1);
/***************************/
/* Get the overflow status */
/***************************/
data[3] = ((ui_Status >> 0) & 1);
if (devpriv->b_TimerSelectMode == ADDIDATA_TIMER) {
data[4] = inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 0);
} /* if (devpriv->b_TimerSelectMode==ADDIDATA_TIMER) */
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI035_ConfigAnalogInput |
| (struct comedi_device *dev,struct comedi_subdevice *s, |
| struct comedi_insn *insn,unsigned int *data) |
+----------------------------------------------------------------------------+
| Task : Configures The Analog Input 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] : Warning delay value
| |
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : TRUE : No error occur |
| : FALSE : Error occur. Return the error |
| |
+----------------------------------------------------------------------------+
*/
int i_APCI035_ConfigAnalogInput(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
struct addi_private *devpriv = dev->private;
devpriv->tsk_Current = current;
outl(0x200 | 0, devpriv->iobase + 128 + 0x4);
outl(0, devpriv->iobase + 128 + 0);
/********************************/
/* Initialise the warning value */
/********************************/
outl(0x300 | 0, devpriv->iobase + 128 + 0x4);
outl((data[0] << 8), devpriv->iobase + 128 + 0);
outl(0x200000UL, devpriv->iobase + 128 + 12);
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI035_ReadAnalogInput |
| (struct comedi_device *dev,struct comedi_subdevice *s, |
| struct comedi_insn *insn,unsigned int *data) |
+----------------------------------------------------------------------------+
| Task : Read value of the selected channel |
+----------------------------------------------------------------------------+
| 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 : -- |
| data[0] : Digital Value Of Input |
| |
+----------------------------------------------------------------------------+
| Return Value : TRUE : No error occur |
| : FALSE : Error occur. Return the error |
| |
+----------------------------------------------------------------------------+
*/
int i_APCI035_ReadAnalogInput(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
struct addi_private *devpriv = dev->private;
unsigned int ui_CommandRegister = 0;
/******************/
/* Set the start */
/******************/
ui_CommandRegister = 0x80000;
/******************************/
/* Write the command register */
/******************************/
outl(ui_CommandRegister, devpriv->iobase + 128 + 8);
/***************************************/
/* Read the digital value of the input */
/***************************************/
data[0] = inl(devpriv->iobase + 128 + 28);
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI035_Reset(struct comedi_device *dev) |
| |
+----------------------------------------------------------------------------+
| Task :Resets the registers of the card |
+----------------------------------------------------------------------------+
| Input Parameters : |
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : |
| |
+----------------------------------------------------------------------------+
*/
int i_APCI035_Reset(struct comedi_device *dev)
{
struct addi_private *devpriv = dev->private;
int i_Count = 0;
for (i_Count = 1; i_Count <= 4; i_Count++) {
i_WatchdogNbr = i_Count;
outl(0x0, devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 0); /* stop all timers */
}
outl(0x0, devpriv->iobase + 128 + 12); /* Disable the warning delay */
return 0;
}
/*
+----------------------------------------------------------------------------+
| Function Name : static void v_APCI035_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 |
| |
+----------------------------------------------------------------------------+
*/
static void v_APCI035_Interrupt(int irq, void *d)
{
struct comedi_device *dev = d;
struct addi_private *devpriv = dev->private;
unsigned int ui_StatusRegister1 = 0;
unsigned int ui_StatusRegister2 = 0;
unsigned int ui_ReadCommand = 0;
unsigned int ui_ChannelNumber = 0;
unsigned int ui_DigitalTemperature = 0;
if (i_Temp == 1) {
i_WatchdogNbr = i_Flag;
i_Flag = i_Flag + 1;
}
/**************************************/
/* Read the interrupt status register of temperature Warning */
/**************************************/
ui_StatusRegister1 = inl(devpriv->iobase + 128 + 16);
/**************************************/
/* Read the interrupt status register for Watchdog/timer */
/**************************************/
ui_StatusRegister2 =
inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 20);
if ((((ui_StatusRegister1) & 0x8) == 0x8)) /* Test if warning relay interrupt */
{
/**********************************/
/* Disable the temperature warning */
/**********************************/
ui_ReadCommand = inl(devpriv->iobase + 128 + 12);
ui_ReadCommand = ui_ReadCommand & 0xFFDF0000UL;
outl(ui_ReadCommand, devpriv->iobase + 128 + 12);
/***************************/
/* Read the channel number */
/***************************/
ui_ChannelNumber = inl(devpriv->iobase + 128 + 60);
/**************************************/
/* Read the digital temperature value */
/**************************************/
ui_DigitalTemperature = inl(devpriv->iobase + 128 + 60);
send_sig(SIGIO, devpriv->tsk_Current, 0); /* send signal to the sample */
} /* if (((ui_StatusRegister1 & 0x8) == 0x8)) */
else {
if ((ui_StatusRegister2 & 0x1) == 0x1) {
send_sig(SIGIO, devpriv->tsk_Current, 0); /* send signal to the sample */
}
} /* else if (((ui_StatusRegister1 & 0x8) == 0x8)) */
return;
}
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