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/* Watchdog Related Defines */
#define ADDIDATA_TIMER 0
#define ADDIDATA_WATCHDOG 2
/*
* (*insn_config) for the timer subdevice
*
* Configures The Timer, Counter or Watchdog
* 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
*/
static int apci3501_config_insn_timer(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
struct apci3501_private *devpriv = dev->private;
unsigned int ul_Command1 = 0;
devpriv->tsk_Current = current;
if (data[0] == ADDIDATA_WATCHDOG) {
devpriv->b_TimerSelectMode = ADDIDATA_WATCHDOG;
/* Disable the watchdog */
outl(0x0, dev->iobase + APCI3501_TIMER_CTRL_REG);
if (data[1] == 1) {
/* Enable TIMER int & DISABLE ALL THE OTHER int SOURCES */
outl(0x02, dev->iobase + APCI3501_TIMER_CTRL_REG);
} else {
/* disable Timer interrupt */
outl(0x0, dev->iobase + APCI3501_TIMER_CTRL_REG);
}
outl(data[2], dev->iobase + APCI3501_TIMER_TIMEBASE_REG);
outl(data[3], dev->iobase + APCI3501_TIMER_RELOAD_REG);
/* Set the mode (e2->e0) */
ul_Command1 = inl(dev->iobase + APCI3501_TIMER_CTRL_REG) | 0xFFF819E0UL;
outl(ul_Command1, dev->iobase + APCI3501_TIMER_CTRL_REG);
}
else if (data[0] == ADDIDATA_TIMER) {
/* First Stop The Timer */
ul_Command1 = inl(dev->iobase + APCI3501_TIMER_CTRL_REG);
ul_Command1 = ul_Command1 & 0xFFFFF9FEUL;
outl(ul_Command1, dev->iobase + APCI3501_TIMER_CTRL_REG);
devpriv->b_TimerSelectMode = ADDIDATA_TIMER;
if (data[1] == 1) {
/* Enable TIMER int & DISABLE ALL THE OTHER int SOURCES */
outl(0x02, dev->iobase + APCI3501_TIMER_CTRL_REG);
} else {
/* disable Timer interrupt */
outl(0x0, dev->iobase + APCI3501_TIMER_CTRL_REG);
}
outl(data[2], dev->iobase + APCI3501_TIMER_TIMEBASE_REG);
outl(data[3], dev->iobase + APCI3501_TIMER_RELOAD_REG);
/* mode 2 */
ul_Command1 = inl(dev->iobase + APCI3501_TIMER_CTRL_REG);
ul_Command1 =
(ul_Command1 & 0xFFF719E2UL) | 2UL << 13UL | 0x10UL;
outl(ul_Command1, dev->iobase + APCI3501_TIMER_CTRL_REG);
}
return insn->n;
}
/*
* (*insn_write) for the timer subdevice
*
* Start / Stop The Selected Timer , Counter or Watchdog
* Data Pointer contains configuration parameters as below
* data[0] : 0 Timer
* 1 Counter
* 2 Watchdog
* data[1] : 1 Start
* 0 Stop
* 2 Trigger
*/
static int apci3501_write_insn_timer(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
struct apci3501_private *devpriv = dev->private;
unsigned int ul_Command1 = 0;
if (devpriv->b_TimerSelectMode == ADDIDATA_WATCHDOG) {
if (data[1] == 1) {
ul_Command1 = inl(dev->iobase + APCI3501_TIMER_CTRL_REG);
ul_Command1 = (ul_Command1 & 0xFFFFF9FFUL) | 0x1UL;
/* Enable the Watchdog */
outl(ul_Command1, dev->iobase + APCI3501_TIMER_CTRL_REG);
} else if (data[1] == 0) { /* Stop The Watchdog */
ul_Command1 = inl(dev->iobase + APCI3501_TIMER_CTRL_REG);
ul_Command1 = ul_Command1 & 0xFFFFF9FEUL;
outl(0x0, dev->iobase + APCI3501_TIMER_CTRL_REG);
} else if (data[1] == 2) {
ul_Command1 = inl(dev->iobase + APCI3501_TIMER_CTRL_REG);
ul_Command1 = (ul_Command1 & 0xFFFFF9FFUL) | 0x200UL;
outl(ul_Command1, dev->iobase + APCI3501_TIMER_CTRL_REG);
}
}
if (devpriv->b_TimerSelectMode == ADDIDATA_TIMER) {
if (data[1] == 1) {
ul_Command1 = inl(dev->iobase + APCI3501_TIMER_CTRL_REG);
ul_Command1 = (ul_Command1 & 0xFFFFF9FFUL) | 0x1UL;
/* Enable the Timer */
outl(ul_Command1, dev->iobase + APCI3501_TIMER_CTRL_REG);
} else if (data[1] == 0) {
/* Stop The Timer */
ul_Command1 = inl(dev->iobase + APCI3501_TIMER_CTRL_REG);
ul_Command1 = ul_Command1 & 0xFFFFF9FEUL;
outl(ul_Command1, dev->iobase + APCI3501_TIMER_CTRL_REG);
}
else if (data[1] == 2) {
/* Trigger the Timer */
ul_Command1 = inl(dev->iobase + APCI3501_TIMER_CTRL_REG);
ul_Command1 = (ul_Command1 & 0xFFFFF9FFUL) | 0x200UL;
outl(ul_Command1, dev->iobase + APCI3501_TIMER_CTRL_REG);
}
}
inl(dev->iobase + APCI3501_TIMER_STATUS_REG);
return insn->n;
}
/*
* (*insn_read) for the timer subdevice
*
* Read The Selected Timer, Counter or Watchdog
* Data Pointer contains configuration parameters as below
* data[0] : 0 Timer
* 1 Counter
* 2 Watchdog
* data[1] : Timer Counter Watchdog Number
*/
static int apci3501_read_insn_timer(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
struct apci3501_private *devpriv = dev->private;
if (devpriv->b_TimerSelectMode == ADDIDATA_WATCHDOG) {
data[0] = inl(dev->iobase + APCI3501_TIMER_STATUS_REG) & 0x1;
data[1] = inl(dev->iobase + APCI3501_TIMER_SYNC_REG);
}
else if (devpriv->b_TimerSelectMode == ADDIDATA_TIMER) {
data[0] = inl(dev->iobase + APCI3501_TIMER_STATUS_REG) & 0x1;
data[1] = inl(dev->iobase + APCI3501_TIMER_SYNC_REG);
}
else if ((devpriv->b_TimerSelectMode != ADDIDATA_TIMER)
&& (devpriv->b_TimerSelectMode != ADDIDATA_WATCHDOG)) {
dev_err(dev->class_dev, "Invalid subdevice.\n");
}
return insn->n;
}
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