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/*
* 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.
*/
/* Card Specific information */
#define APCI035_ADDRESS_RANGE 255
/* Timer / Watchdog Related Defines */
#define APCI035_TCW_SYNC_ENABLEDISABLE 0
#define APCI035_TCW_RELOAD_VALUE 4
#define APCI035_TCW_TIMEBASE 8
#define APCI035_TCW_PROG 12
#define APCI035_TCW_TRIG_STATUS 16
#define APCI035_TCW_IRQ 20
#define APCI035_TCW_WARN_TIMEVAL 24
#define APCI035_TCW_WARN_TIMEBASE 28
#define ADDIDATA_TIMER 0
/* #define ADDIDATA_WATCHDOG 1 */
#define APCI035_TW1 0
#define APCI035_TW2 32
#define APCI035_TW3 64
#define APCI035_TW4 96
#define APCI035_AI_OFFSET 0
#define APCI035_TEMP 128
#define APCI035_ALR_SEQ 4
#define APCI035_START_STOP_INDEX 8
#define APCI035_ALR_START_STOP 12
#define APCI035_ALR_IRQ 16
#define APCI035_EOS 20
#define APCI035_CHAN_NO 24
#define APCI035_CHAN_VAL 28
#define APCI035_CONV_TIME_TIME_BASE 36
#define APCI035_RELOAD_CONV_TIME_VAL 32
#define APCI035_DELAY_TIME_TIME_BASE 44
#define APCI035_RELOAD_DELAY_TIME_VAL 40
#define ENABLE_EXT_TRIG 1
#define ENABLE_EXT_GATE 2
#define ENABLE_EXT_TRIG_GATE 3
#define ANALOG_INPUT 0
#define TEMPERATURE 1
#define RESISTANCE 2
#define ADDIDATA_GREATER_THAN_TEST 0
#define ADDIDATA_LESS_THAN_TEST 1
#define APCI035_MAXVOLT 2.5
#define ADDIDATA_UNIPOLAR 1
#define ADDIDATA_BIPOLAR 2
/* ANALOG INPUT RANGE */
static struct comedi_lrange range_apci035_ai = {
8, {
BIP_RANGE(10),
BIP_RANGE(5),
BIP_RANGE(2),
BIP_RANGE(1),
UNI_RANGE(10),
UNI_RANGE(5),
UNI_RANGE(2),
UNI_RANGE(1)
}
};
static int i_WatchdogNbr;
static int i_Temp;
static int i_Flag = 1;
/*
* Configures The Timer , Counter or Watchdog
*
* 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
*/
static int apci035_timer_config(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;
unsigned int ui_Command;
unsigned int ui_Mode;
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 = 0;
outl(ui_Command, devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
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;
} 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 {
dev_err(dev->class_dev, "The parameter for Timer/watchdog selection is in error\n");
return -EINVAL;
}
outl(ui_Command, devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
ui_Command = inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
/* Disable the hardware trigger */
ui_Command = ui_Command & 0xFFFFF89FUL;
if (data[4] == 1) {
/* Set the hardware trigger level */
ui_Command = ui_Command | (data[5] << 5);
}
outl(ui_Command, devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
ui_Command = inl(devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
/* Disable the hardware gate */
ui_Command = ui_Command & 0xFFFFF87FUL;
if (data[6] == 1) {
/* Set the hardware gate level */
ui_Command = ui_Command | (data[7] << 7);
}
outl(ui_Command, devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 12);
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] == 1) {
/* 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 = 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 = 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;
}
/*
* Start / Stop The Selected Timer , or Watchdog
*
* data[0]
* 0 - Stop Selected Timer/Watchdog
* 1 - Start Selected Timer/Watch*dog
* 2 - Trigger Selected Timer/Watchdog
* 3 - Stop All Timer/Watchdog
* 4 - Start All Timer/Watchdog
* 5 - Trigger All Timer/Watchdog
*/
static int apci035_timer_write(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;
int i_Count;
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] == 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 */
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[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;
}
/*
* Read The Selected Timer , Counter or Watchdog
*
* data[0] software trigger status
* data[1] hardware trigger status
* data[2] Software clear status
* data[3] Overflow status
* data[4] Timer actual value
*/
static int apci035_timer_read(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; /* 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);
return insn->n;
}
/*
* Configures The Analog Input Subdevice
*
* data[0] Warning delay value
*/
static int apci035_ai_config(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;
}
/*
* Read value of the selected channel
*
* data[0] Digital Value Of Input
*/
static int apci035_ai_read(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;
/* 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;
}
static int apci035_reset(struct comedi_device *dev)
{
struct addi_private *devpriv = dev->private;
int i_Count;
for (i_Count = 1; i_Count <= 4; i_Count++) {
i_WatchdogNbr = i_Count;
/* stop all timers */
outl(0x0, devpriv->iobase + ((i_WatchdogNbr - 1) * 32) + 0);
}
outl(0x0, devpriv->iobase + 128 + 12); /* Disable the warning delay */
return 0;
}
static void apci035_interrupt(int irq, void *d)
{
struct comedi_device *dev = d;
struct addi_private *devpriv = dev->private;
unsigned int ui_StatusRegister1;
unsigned int ui_StatusRegister2;
unsigned int ui_ReadCommand;
unsigned int ui_ChannelNumber;
unsigned int ui_DigitalTemperature;
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);
/* Test if warning relay interrupt */
if ((((ui_StatusRegister1) & 0x8) == 0x8)) {
/* 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 signal to the sample */
send_sig(SIGIO, devpriv->tsk_Current, 0);
} else if ((ui_StatusRegister2 & 0x1) == 0x1) {
/* send signal to the sample */
send_sig(SIGIO, devpriv->tsk_Current, 0);
}
}
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