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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-2032 | Compiler : GCC |
| Module name : hwdrv_apci2032.c| Version : 2.96 |
+-------------------------------+---------------------------------------+
| Project manager: Eric Stolz | Date : 02/12/2002 |
+-------------------------------+---------------------------------------+
| Description : Hardware Layer Access For APCI-2032 |
+-----------------------------------------------------------------------+
| UPDATES |
+----------+-----------+------------------------------------------------+
| Date | Author | Description of updates |
+----------+-----------+------------------------------------------------+
| | | |
| | | |
| | | |
+----------+-----------+------------------------------------------------+
*/
/********* Definitions for APCI-2032 card *****/
/* Card Specific information */
#define APCI2032_ADDRESS_RANGE 63
/* DIGITAL INPUT-OUTPUT DEFINE */
#define APCI2032_DIGITAL_OP 0
#define APCI2032_DIGITAL_OP_RW 0
#define APCI2032_DIGITAL_OP_INTERRUPT 4
#define APCI2032_DIGITAL_OP_IRQ 12
/* Digital Output Interrupt Status */
#define APCI2032_DIGITAL_OP_INTERRUPT_STATUS 8
/* Digital Output Interrupt Enable Disable. */
#define APCI2032_DIGITAL_OP_VCC_INTERRUPT_ENABLE 0x1
#define APCI2032_DIGITAL_OP_VCC_INTERRUPT_DISABLE 0xfffffffe
#define APCI2032_DIGITAL_OP_CC_INTERRUPT_ENABLE 0x2
#define APCI2032_DIGITAL_OP_CC_INTERRUPT_DISABLE 0xfffffffd
/* TIMER COUNTER WATCHDOG DEFINES */
#define ADDIDATA_WATCHDOG 2
#define APCI2032_DIGITAL_OP_WATCHDOG 16
#define APCI2032_TCW_RELOAD_VALUE 4
#define APCI2032_TCW_TIMEBASE 8
#define APCI2032_TCW_PROG 12
#define APCI2032_TCW_TRIG_STATUS 16
#define APCI2032_TCW_IRQ 20
static unsigned int ui_InterruptData, ui_Type;
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI2032_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 |
| |
+----------------------------------------------------------------------------+
*/
static int i_APCI2032_ConfigDigitalOutput(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
struct addi_private *devpriv = dev->private;
unsigned int ul_Command = 0;
devpriv->tsk_Current = current;
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;
} /* elseif (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;
} /* elseif (data[2] == ADDIDATA_ENABLE) */
outl(ul_Command, dev->iobase + APCI2032_DIGITAL_OP_INTERRUPT);
ui_InterruptData = inl(dev->iobase + APCI2032_DIGITAL_OP_INTERRUPT);
return insn->n;
}
static int apci2032_do_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
unsigned int mask = data[0];
unsigned int bits = data[1];
s->state = inl(dev->iobase + APCI2032_DIGITAL_OP_RW);
if (mask) {
s->state &= ~mask;
s->state |= (bits & mask);
outl(s->state, dev->iobase + APCI2032_DIGITAL_OP);
}
data[1] = s->state;
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI2032_ConfigWatchdog(comedi_device
| *dev,struct comedi_subdevice *s,struct comedi_insn *insn,unsigned int *data)|
| |
+----------------------------------------------------------------------------+
| Task : Configures The Watchdog |
+----------------------------------------------------------------------------+
| Input Parameters : struct comedi_device *dev : Driver handle |
| struct comedi_subdevice *s, :pointer to subdevice structure
| struct comedi_insn *insn :pointer to insn structure |
| unsigned int *data : Data Pointer to read status |
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : TRUE : No error occur |
| : FALSE : Error occur. Return the error |
| |
+----------------------------------------------------------------------------+
*/
static int i_APCI2032_ConfigWatchdog(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
if (data[0] == 0) {
/* Disable the watchdog */
outl(0x0,
dev->iobase + APCI2032_DIGITAL_OP_WATCHDOG +
APCI2032_TCW_PROG);
/* Loading the Reload value */
outl(data[1],
dev->iobase + APCI2032_DIGITAL_OP_WATCHDOG +
APCI2032_TCW_RELOAD_VALUE);
} else {
printk("\nThe input parameters are wrong\n");
return -EINVAL;
}
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI2032_StartStopWriteWatchdog |
| (struct comedi_device *dev,struct comedi_subdevice *s,
struct comedi_insn *insn,unsigned int *data); |
+----------------------------------------------------------------------------+
| Task : Start / Stop The Watchdog |
+----------------------------------------------------------------------------+
| Input Parameters : struct comedi_device *dev : Driver handle |
| struct comedi_subdevice *s, :pointer to subdevice structure
struct comedi_insn *insn :pointer to insn structure |
| unsigned int *data : Data Pointer to read status |
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : TRUE : No error occur |
| : FALSE : Error occur. Return the error |
| |
+----------------------------------------------------------------------------+
*/
static int i_APCI2032_StartStopWriteWatchdog(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
switch (data[0]) {
case 0: /* stop the watchdog */
outl(0x0, dev->iobase + APCI2032_DIGITAL_OP_WATCHDOG + APCI2032_TCW_PROG); /* disable the watchdog */
break;
case 1: /* start the watchdog */
outl(0x0001,
dev->iobase + APCI2032_DIGITAL_OP_WATCHDOG +
APCI2032_TCW_PROG);
break;
case 2: /* Software trigger */
outl(0x0201,
dev->iobase + APCI2032_DIGITAL_OP_WATCHDOG +
APCI2032_TCW_PROG);
break;
default:
printk("\nSpecified functionality does not exist\n");
return -EINVAL;
}
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI2032_ReadWatchdog |
| (struct comedi_device *dev,struct comedi_subdevice *s,struct comedi_insn *insn,
| unsigned int *data); |
+----------------------------------------------------------------------------+
| Task : Read The Watchdog |
+----------------------------------------------------------------------------+
| Input Parameters : struct comedi_device *dev : Driver handle |
| struct comedi_subdevice *s, :pointer to subdevice structure
| struct comedi_insn *insn :pointer to insn structure |
| unsigned int *data : Data Pointer to read status |
+----------------------------------------------------------------------------+
| Output Parameters : -- |
+----------------------------------------------------------------------------+
| Return Value : TRUE : No error occur |
| : FALSE : Error occur. Return the error |
| |
+----------------------------------------------------------------------------+
*/
static int i_APCI2032_ReadWatchdog(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
data[0] =
inl(dev->iobase + APCI2032_DIGITAL_OP_WATCHDOG +
APCI2032_TCW_TRIG_STATUS) & 0x1;
return insn->n;
}
/*
+----------------------------------------------------------------------------+
| Function Name : void v_APCI2032_Interrupt |
| (int irq , void *d) |
+----------------------------------------------------------------------------+
| Task : Writes port value To the selected port |
+----------------------------------------------------------------------------+
| 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_APCI2032_Interrupt(int irq, void *d)
{
struct comedi_device *dev = d;
struct addi_private *devpriv = dev->private;
unsigned int ui_DO;
ui_DO = inl(dev->iobase + APCI2032_DIGITAL_OP_IRQ) & 0x1; /* Check if VCC OR CC interrupt has occurred. */
if (ui_DO == 0) {
printk("\nInterrupt from unKnown source\n");
} /* if(ui_DO==0) */
if (ui_DO) {
/* Check for Digital Output interrupt Type - 1: Vcc interrupt 2: CC interrupt. */
ui_Type =
inl(dev->iobase +
APCI2032_DIGITAL_OP_INTERRUPT_STATUS) & 0x3;
outl(0x0,
dev->iobase + APCI2032_DIGITAL_OP +
APCI2032_DIGITAL_OP_INTERRUPT);
if (ui_Type == 1) {
/* Sends signal to user space */
send_sig(SIGIO, devpriv->tsk_Current, 0);
} /* if (ui_Type==1) */
else {
if (ui_Type == 2) {
/* Sends signal to user space */
send_sig(SIGIO, devpriv->tsk_Current, 0);
} /* if (ui_Type==2) */
} /* else if (ui_Type==1) */
} /* if(ui_DO) */
return;
}
/*
+----------------------------------------------------------------------------+
| Function Name : int i_APCI2032_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 : |
| |
+----------------------------------------------------------------------------+
*/
static int i_APCI2032_ReadInterruptStatus(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
*data = ui_Type;
return insn->n;
}
|
