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path: root/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c
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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
commit8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch)
treee9891aa6c295060d065adffd610c4f49ecf884f3 /drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c
parenta71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff)
Linux-libre 4.3.2-gnu
Diffstat (limited to 'drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c')
-rw-r--r--drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c93
1 files changed, 38 insertions, 55 deletions
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c
index fa99c8ca4..f0c0d5838 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c
@@ -1,22 +1,3 @@
-/* Digital Input IRQ Function Selection */
-#define APCI1564_DI_INT_OR (0 << 1)
-#define APCI1564_DI_INT_AND (1 << 1)
-
-/* Digital Input Interrupt Enable Disable. */
-#define APCI1564_DI_INT_ENABLE 0x4
-#define APCI1564_DI_INT_DISABLE 0xfffffffb
-
-/* Digital Output Interrupt Enable Disable. */
-#define APCI1564_DO_VCC_INT_ENABLE 0x1
-#define APCI1564_DO_VCC_INT_DISABLE 0xfffffffe
-#define APCI1564_DO_CC_INT_ENABLE 0x2
-#define APCI1564_DO_CC_INT_DISABLE 0xfffffffd
-
-/* TIMER COUNTER WATCHDOG DEFINES */
-#define ADDIDATA_TIMER 0
-#define ADDIDATA_COUNTER 1
-#define ADDIDATA_WATCHDOG 2
-
static int apci1564_timer_insn_config(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
@@ -27,15 +8,16 @@ static int apci1564_timer_insn_config(struct comedi_device *dev,
devpriv->tsk_current = current;
- /* First Stop The Timer */
+ /* Stop the timer */
ctrl = inl(devpriv->timer + ADDI_TCW_CTRL_REG);
- ctrl &= 0xfffff9fe;
- /* Stop The Timer */
+ ctrl &= ~(ADDI_TCW_CTRL_GATE | ADDI_TCW_CTRL_TRIG |
+ ADDI_TCW_CTRL_ENA);
outl(ctrl, devpriv->timer + ADDI_TCW_CTRL_REG);
if (data[1] == 1) {
/* Enable timer int & disable all the other int sources */
- outl(0x02, devpriv->timer + ADDI_TCW_CTRL_REG);
+ outl(ADDI_TCW_CTRL_IRQ_ENA,
+ devpriv->timer + ADDI_TCW_CTRL_REG);
outl(0x0, dev->iobase + APCI1564_DI_IRQ_REG);
outl(0x0, dev->iobase + APCI1564_DO_IRQ_REG);
outl(0x0, dev->iobase + APCI1564_WDOG_IRQ_REG);
@@ -59,9 +41,11 @@ static int apci1564_timer_insn_config(struct comedi_device *dev,
outl(data[3], devpriv->timer + ADDI_TCW_RELOAD_REG);
ctrl = inl(devpriv->timer + ADDI_TCW_CTRL_REG);
- ctrl &= 0xfff719e2;
- ctrl |= (2 << 13) | 0x10;
- /* mode 2 */
+ ctrl &= ~(ADDI_TCW_CTRL_CNTR_ENA | ADDI_TCW_CTRL_MODE_MASK |
+ ADDI_TCW_CTRL_GATE | ADDI_TCW_CTRL_TRIG |
+ ADDI_TCW_CTRL_TIMER_ENA | ADDI_TCW_CTRL_RESET_ENA |
+ ADDI_TCW_CTRL_WARN_ENA | ADDI_TCW_CTRL_ENA);
+ ctrl |= ADDI_TCW_CTRL_MODE(2) | ADDI_TCW_CTRL_TIMER_ENA;
outl(ctrl, devpriv->timer + ADDI_TCW_CTRL_REG);
return insn->n;
@@ -76,13 +60,13 @@ static int apci1564_timer_insn_write(struct comedi_device *dev,
unsigned int ctrl;
ctrl = inl(devpriv->timer + ADDI_TCW_CTRL_REG);
+ ctrl &= ~(ADDI_TCW_CTRL_GATE | ADDI_TCW_CTRL_TRIG);
switch (data[1]) {
case 0: /* Stop The Timer */
- ctrl &= 0xfffff9fe;
+ ctrl &= ~ADDI_TCW_CTRL_ENA;
break;
case 1: /* Enable the Timer */
- ctrl &= 0xfffff9ff;
- ctrl |= 0x1;
+ ctrl |= ADDI_TCW_CTRL_ENA;
break;
}
outl(ctrl, devpriv->timer + ADDI_TCW_CTRL_REG);
@@ -98,7 +82,8 @@ static int apci1564_timer_insn_read(struct comedi_device *dev,
struct apci1564_private *devpriv = dev->private;
/* Stores the status of the Timer */
- data[0] = inl(devpriv->timer + ADDI_TCW_STATUS_REG) & 0x1;
+ data[0] = inl(devpriv->timer + ADDI_TCW_STATUS_REG) &
+ ADDI_TCW_STATUS_OVERFLOW;
/* Stores the Actual value of the Timer */
data[1] = inl(devpriv->timer + ADDI_TCW_VAL_REG);
@@ -118,35 +103,34 @@ static int apci1564_counter_insn_config(struct comedi_device *dev,
devpriv->tsk_current = current;
- /* First Stop The Counter */
- ctrl = inl(iobase + ADDI_TCW_CTRL_REG);
- ctrl &= 0xfffff9fe;
/* Stop The Timer */
+ ctrl = inl(iobase + ADDI_TCW_CTRL_REG);
+ ctrl &= ~(ADDI_TCW_CTRL_GATE | ADDI_TCW_CTRL_TRIG |
+ ADDI_TCW_CTRL_ENA);
outl(ctrl, iobase + ADDI_TCW_CTRL_REG);
/* Set the reload value */
outl(data[3], iobase + ADDI_TCW_RELOAD_REG);
- /* Set the mode : */
- /* - Disable the hardware */
- /* - Disable the counter mode */
- /* - Disable the warning */
- /* - Disable the reset */
- /* - Disable the timer mode */
- /* - Enable the counter mode */
-
- ctrl &= 0xfffc19e2;
- ctrl |= 0x80000 | (data[4] << 16);
+ /* Set the mode */
+ ctrl &= ~(ADDI_TCW_CTRL_EXT_CLK_MASK | ADDI_TCW_CTRL_MODE_MASK |
+ ADDI_TCW_CTRL_TIMER_ENA | ADDI_TCW_CTRL_RESET_ENA |
+ ADDI_TCW_CTRL_WARN_ENA);
+ ctrl |= ADDI_TCW_CTRL_CNTR_ENA | ADDI_TCW_CTRL_MODE(data[4]);
outl(ctrl, iobase + ADDI_TCW_CTRL_REG);
/* Enable or Disable Interrupt */
- ctrl &= 0xfffff9fd;
- ctrl |= (data[1] << 1);
+ if (data[1])
+ ctrl |= ADDI_TCW_CTRL_IRQ_ENA;
+ else
+ ctrl &= ~ADDI_TCW_CTRL_IRQ_ENA;
outl(ctrl, iobase + ADDI_TCW_CTRL_REG);
/* Set the Up/Down selection */
- ctrl &= 0xfffbf9ff;
- ctrl |= (data[6] << 18);
+ if (data[6])
+ ctrl |= ADDI_TCW_CTRL_CNT_UP;
+ else
+ ctrl &= ~ADDI_TCW_CTRL_CNT_UP;
outl(ctrl, iobase + ADDI_TCW_CTRL_REG);
return insn->n;
@@ -163,17 +147,16 @@ static int apci1564_counter_insn_write(struct comedi_device *dev,
unsigned int ctrl;
ctrl = inl(iobase + ADDI_TCW_CTRL_REG);
+ ctrl &= ~(ADDI_TCW_CTRL_GATE | ADDI_TCW_CTRL_TRIG);
switch (data[1]) {
case 0: /* Stops the Counter subdevice */
ctrl = 0;
break;
case 1: /* Start the Counter subdevice */
- ctrl &= 0xfffff9ff;
- ctrl |= 0x1;
+ ctrl |= ADDI_TCW_CTRL_ENA;
break;
case 2: /* Clears the Counter subdevice */
- ctrl &= 0xfffff9ff;
- ctrl |= 0x400;
+ ctrl |= ADDI_TCW_CTRL_GATE;
break;
}
outl(ctrl, iobase + ADDI_TCW_CTRL_REG);
@@ -195,10 +178,10 @@ static int apci1564_counter_insn_read(struct comedi_device *dev,
data[0] = inl(iobase + ADDI_TCW_VAL_REG);
status = inl(iobase + ADDI_TCW_STATUS_REG);
- data[1] = (status >> 1) & 1; /* software trigger status */
- data[2] = (status >> 2) & 1; /* hardware trigger status */
- data[3] = (status >> 3) & 1; /* software clear status */
- data[4] = (status >> 0) & 1; /* overflow status */
+ data[1] = (status & ADDI_TCW_STATUS_SOFT_TRIG) ? 1 : 0;
+ data[2] = (status & ADDI_TCW_STATUS_HARDWARE_TRIG) ? 1 : 0;
+ data[3] = (status & ADDI_TCW_STATUS_SOFT_CLR) ? 1 : 0;
+ data[4] = (status & ADDI_TCW_STATUS_OVERFLOW) ? 1 : 0;
return insn->n;
}