[PATCH 18/26] staging: comedi: addi_apci_2032: cleanup register map defines
H Hartley Sweeten
hartleys at visionengravers.com
Fri Nov 30 01:19:07 UTC 2012
Cleanup the defines a bit and add the missing information for the
bits in the registers.
Signed-off-by: H Hartley Sweeten <hsweeten at visionengravers.com>
Cc: Ian Abbott <abbotti at mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
---
drivers/staging/comedi/drivers/addi_apci_2032.c | 136 ++++++++++--------------
1 file changed, 57 insertions(+), 79 deletions(-)
diff --git a/drivers/staging/comedi/drivers/addi_apci_2032.c b/drivers/staging/comedi/drivers/addi_apci_2032.c
index 8c87a55..b77a84a 100644
--- a/drivers/staging/comedi/drivers/addi_apci_2032.c
+++ b/drivers/staging/comedi/drivers/addi_apci_2032.c
@@ -37,23 +37,24 @@
/*
* PCI bar 1 I/O Register map
*/
-#define APCI2032_DIGITAL_OP 0
-#define APCI2032_DIGITAL_OP_RW 0
-#define APCI2032_DIGITAL_OP_INTERRUPT 4
-#define APCI2032_DIGITAL_OP_INTERRUPT_STATUS 8
-#define APCI2032_DIGITAL_OP_IRQ 12
-
-#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
-
-#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
+#define APCI2032_DO_REG 0x00
+#define APCI2032_INT_CTRL_REG 0x04
+#define APCI2032_INT_CTRL_VCC_ENA (1 << 0)
+#define APCI2032_INT_CTRL_CC_ENA (1 << 1)
+#define APCI2032_INT_STATUS_REG 0x08
+#define APCI2032_INT_STATUS_VCC (1 << 0)
+#define APCI2032_INT_STATUS_CC (1 << 1)
+#define APCI2032_STATUS_REG 0x0c
+#define APCI2032_STATUS_IRQ (1 << 0)
+#define APCI2032_WDOG_REG 0x10
+#define APCI2032_WDOG_RELOAD_REG 0x14
+#define APCI2032_WDOG_TIMEBASE 0x18
+#define APCI2032_WDOG_CTRL_REG 0x1c
+#define APCI2032_WDOG_CTRL_ENABLE (1 << 0)
+#define APCI2032_WDOG_CTRL_SW_TRIG (1 << 9)
+#define APCI2032_WDOG_STATUS_REG 0x20
+#define APCI2032_WDOG_STATUS_ENABLED (1 << 0)
+#define APCI2032_WDOG_STATUS_SW_TRIG (1 << 1)
static unsigned int ui_InterruptData, ui_Type;
@@ -71,28 +72,26 @@ static int i_APCI2032_ConfigDigitalOutput(struct comedi_device *dev,
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]) {
+ }
+
+ if (data[0])
devpriv->b_OutputMemoryStatus = ADDIDATA_ENABLE;
- } /* if (data[0]) */
- else {
+ 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);
+
+ if (data[1] == ADDIDATA_ENABLE)
+ ul_Command |= APCI2032_INT_CTRL_VCC_ENA;
+ else
+ ul_Command &= ~APCI2032_INT_CTRL_VCC_ENA;
+
+ if (data[2] == ADDIDATA_ENABLE)
+ ul_Command |= APCI2032_INT_CTRL_CC_ENA;
+ else
+ ul_Command &= ~APCI2032_INT_CTRL_CC_ENA;
+
+ outl(ul_Command, dev->iobase + APCI2032_INT_CTRL_REG);
+ ui_InterruptData = inl(dev->iobase + APCI2032_INT_CTRL_REG);
+
return insn->n;
}
@@ -104,12 +103,12 @@ static int apci2032_do_insn_bits(struct comedi_device *dev,
unsigned int mask = data[0];
unsigned int bits = data[1];
- s->state = inl(dev->iobase + APCI2032_DIGITAL_OP_RW);
+ s->state = inl(dev->iobase + APCI2032_DO_REG);
if (mask) {
s->state &= ~mask;
s->state |= (bits & mask);
- outl(s->state, dev->iobase + APCI2032_DIGITAL_OP);
+ outl(s->state, dev->iobase + APCI2032_DO_REG);
}
data[1] = s->state;
@@ -124,13 +123,9 @@ static int i_APCI2032_ConfigWatchdog(struct comedi_device *dev,
{
if (data[0] == 0) {
/* Disable the watchdog */
- outl(0x0,
- dev->iobase + APCI2032_DIGITAL_OP_WATCHDOG +
- APCI2032_TCW_PROG);
+ outl(0x0, dev->iobase + APCI2032_WDOG_CTRL_REG);
/* Loading the Reload value */
- outl(data[1],
- dev->iobase + APCI2032_DIGITAL_OP_WATCHDOG +
- APCI2032_TCW_RELOAD_VALUE);
+ outl(data[1], dev->iobase + APCI2032_WDOG_RELOAD_REG);
} else {
printk("\nThe input parameters are wrong\n");
return -EINVAL;
@@ -146,17 +141,13 @@ static int i_APCI2032_StartStopWriteWatchdog(struct comedi_device *dev,
{
switch (data[0]) {
case 0: /* stop the watchdog */
- outl(0x0, dev->iobase + APCI2032_DIGITAL_OP_WATCHDOG + APCI2032_TCW_PROG); /* disable the watchdog */
+ outl(0x0, dev->iobase + APCI2032_WDOG_CTRL_REG);
break;
case 1: /* start the watchdog */
- outl(0x0001,
- dev->iobase + APCI2032_DIGITAL_OP_WATCHDOG +
- APCI2032_TCW_PROG);
+ outl(0x0001, dev->iobase + APCI2032_WDOG_CTRL_REG);
break;
case 2: /* Software trigger */
- outl(0x0201,
- dev->iobase + APCI2032_DIGITAL_OP_WATCHDOG +
- APCI2032_TCW_PROG);
+ outl(0x0201, dev->iobase + APCI2032_WDOG_CTRL_REG);
break;
default:
printk("\nSpecified functionality does not exist\n");
@@ -170,9 +161,7 @@ static int i_APCI2032_ReadWatchdog(struct comedi_device *dev,
struct comedi_insn *insn,
unsigned int *data)
{
- data[0] =
- inl(dev->iobase + APCI2032_DIGITAL_OP_WATCHDOG +
- APCI2032_TCW_TRIG_STATUS) & 0x1;
+ data[0] = inl(dev->iobase + APCI2032_WDOG_STATUS_REG) & 0x1;
return insn->n;
}
@@ -184,39 +173,28 @@ static int i_APCI2032_ReadInterruptStatus(struct comedi_device *dev,
*data = ui_Type;
return insn->n;
}
+
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. */
+ /* Check if VCC OR CC interrupt has occurred */
+ ui_DO = inl(dev->iobase + APCI2032_STATUS_REG) & APCI2032_STATUS_IRQ;
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;
+ ui_Type = inl(dev->iobase + APCI2032_INT_STATUS_REG);
+ ui_Type &= (APCI2032_INT_STATUS_VCC | APCI2032_INT_STATUS_CC);
+ outl(0x0, dev->iobase + APCI2032_INT_CTRL_REG);
+ if (ui_Type)
+ send_sig(SIGIO, devpriv->tsk_Current, 0);
+ }
}
static irqreturn_t v_ADDI_Interrupt(int irq, void *d)
@@ -231,10 +209,10 @@ static int apci2032_reset(struct comedi_device *dev)
devpriv->b_DigitalOutputRegister = 0;
ui_Type = 0;
- outl(0x0, dev->iobase + APCI2032_DIGITAL_OP);
- outl(0x0, dev->iobase + APCI2032_DIGITAL_OP_INTERRUPT);
- outl(0x0, dev->iobase + APCI2032_DIGITAL_OP_WATCHDOG + APCI2032_TCW_PROG);
- outl(0x0, dev->iobase + APCI2032_DIGITAL_OP_WATCHDOG + APCI2032_TCW_RELOAD_VALUE);
+ outl(0x0, dev->iobase + APCI2032_DO_REG);
+ outl(0x0, dev->iobase + APCI2032_INT_CTRL_REG);
+ outl(0x0, dev->iobase + APCI2032_WDOG_CTRL_REG);
+ outl(0x0, dev->iobase + APCI2032_WDOG_RELOAD_REG);
return 0;
}
--
1.7.11
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