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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 | /* 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;
int i_Temp;
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);
}
}
i_Temp = inl(dev->iobase + APCI3501_TIMER_STATUS_REG) & 0x1;
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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