staging: comedi: addi_apci_3501: define the timer i/o registers

Create, and use, defines for the i/o registers used with the timer
subdevice.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c

@@ -1,14 +1,5 @@
 /* Watchdog Related Defines */
 
-#define APCI3501_WATCHDOG		0x20
-#define APCI3501_TCW_SYNC_ENABLEDISABLE	0
-#define APCI3501_TCW_RELOAD_VALUE	4
-#define APCI3501_TCW_TIMEBASE		8
-#define APCI3501_TCW_PROG		12
-#define APCI3501_TCW_TRIG_STATUS	16
-#define APCI3501_TCW_IRQ		20
-#define APCI3501_TCW_WARN_TIMEVAL	24
-#define APCI3501_TCW_WARN_TIMEBASE	28
 #define ADDIDATA_TIMER			0
 #define ADDIDATA_WATCHDOG		2
 
@@ -52,69 +43,47 @@ static int i_APCI3501_ConfigTimerCounterWatchdog(struct comedi_device *dev,
 
 		devpriv->b_TimerSelectMode = ADDIDATA_WATCHDOG;
 		/* Disable the watchdog */
-		outl(0x0, dev->iobase + APCI3501_WATCHDOG + APCI3501_TCW_PROG);	/* disable Wa */
+		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_WATCHDOG +
-				APCI3501_TCW_PROG);
+			outl(0x02, dev->iobase + APCI3501_TIMER_CTRL_REG);
 		} else {
-			outl(0x0, dev->iobase + APCI3501_WATCHDOG + APCI3501_TCW_PROG);	/* disable Timer interrupt */
+			/* disable Timer interrupt */
+			outl(0x0, dev->iobase + APCI3501_TIMER_CTRL_REG);
 		}
 
-		/* Loading the Timebase value */
-		outl(data[2],
-			dev->iobase + APCI3501_WATCHDOG +
-			APCI3501_TCW_TIMEBASE);
+		outl(data[2], dev->iobase + APCI3501_TIMER_TIMEBASE_REG);
+		outl(data[3], dev->iobase + APCI3501_TIMER_RELOAD_REG);
 
-		/* Loading the Reload value */
-		outl(data[3],
-			dev->iobase + APCI3501_WATCHDOG +
-			APCI3501_TCW_RELOAD_VALUE);
-		/* Set the mode */
-		ul_Command1 = inl(dev->iobase + APCI3501_WATCHDOG + APCI3501_TCW_PROG) | 0xFFF819E0UL;	/* e2->e0 */
-		outl(ul_Command1,
-			dev->iobase + APCI3501_WATCHDOG +
-			APCI3501_TCW_PROG);
-	}			/* end if(data[0]==ADDIDATA_WATCHDOG) */
+		/* 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_WATCHDOG +
-			APCI3501_TCW_PROG);
+		ul_Command1 = inl(dev->iobase + APCI3501_TIMER_CTRL_REG);
 		ul_Command1 = ul_Command1 & 0xFFFFF9FEUL;
-		outl(ul_Command1, dev->iobase + APCI3501_WATCHDOG + APCI3501_TCW_PROG);	/* Stop The Timer */
+		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_WATCHDOG +
-				APCI3501_TCW_PROG);
+			outl(0x02, dev->iobase + APCI3501_TIMER_CTRL_REG);
 		} else {
-			outl(0x0, dev->iobase + APCI3501_WATCHDOG + APCI3501_TCW_PROG);	/* disable Timer interrupt */
+			/* disable Timer interrupt */
+			outl(0x0, dev->iobase + APCI3501_TIMER_CTRL_REG);
 		}
 
-		/*  Loading Timebase */
-		outl(data[2],
-			dev->iobase + APCI3501_WATCHDOG +
-			APCI3501_TCW_TIMEBASE);
-
-		/* Loading the Reload value */
-		outl(data[3],
-			dev->iobase + APCI3501_WATCHDOG +
-			APCI3501_TCW_RELOAD_VALUE);
+		outl(data[2], dev->iobase + APCI3501_TIMER_TIMEBASE_REG);
+		outl(data[3], dev->iobase + APCI3501_TIMER_RELOAD_REG);
 
-		/*  printk ("\nTimer Address :: %x\n", (dev->iobase + APCI3501_WATCHDOG)); */
-		ul_Command1 =
-			inl(dev->iobase + APCI3501_WATCHDOG +
-			APCI3501_TCW_PROG);
+		/* 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_WATCHDOG + APCI3501_TCW_PROG);	/* mode 2 */
-
-	}			/* end if(data[0]==ADDIDATA_TIMER) */
+		outl(ul_Command1, dev->iobase + APCI3501_TIMER_CTRL_REG);
+	}
 
 	return insn->n;
 }
@@ -156,73 +125,48 @@ static int i_APCI3501_StartStopWriteTimerCounterWatchdog(struct comedi_device *d
 	if (devpriv->b_TimerSelectMode == ADDIDATA_WATCHDOG) {
 
 		if (data[1] == 1) {
-			ul_Command1 =
-				inl(dev->iobase + APCI3501_WATCHDOG +
-				APCI3501_TCW_PROG);
+			ul_Command1 = inl(dev->iobase + APCI3501_TIMER_CTRL_REG);
 			ul_Command1 = (ul_Command1 & 0xFFFFF9FFUL) | 0x1UL;
 			/* Enable the Watchdog */
-			outl(ul_Command1,
-				dev->iobase + APCI3501_WATCHDOG +
-				APCI3501_TCW_PROG);
+			outl(ul_Command1, dev->iobase + APCI3501_TIMER_CTRL_REG);
 		}
 
 		else if (data[1] == 0)	/* Stop The Watchdog */
 		{
 			/* Stop The Watchdog */
-			ul_Command1 =
-				inl(dev->iobase + APCI3501_WATCHDOG +
-				APCI3501_TCW_PROG);
+			ul_Command1 = inl(dev->iobase + APCI3501_TIMER_CTRL_REG);
 			ul_Command1 = ul_Command1 & 0xFFFFF9FEUL;
-			outl(0x0,
-				dev->iobase + APCI3501_WATCHDOG +
-				APCI3501_TCW_PROG);
+			outl(0x0, dev->iobase + APCI3501_TIMER_CTRL_REG);
 		} else if (data[1] == 2) {
-			ul_Command1 =
-				inl(dev->iobase + APCI3501_WATCHDOG +
-				APCI3501_TCW_PROG);
+			ul_Command1 = inl(dev->iobase + APCI3501_TIMER_CTRL_REG);
 			ul_Command1 = (ul_Command1 & 0xFFFFF9FFUL) | 0x200UL;
-			outl(ul_Command1,
-				dev->iobase + APCI3501_WATCHDOG +
-				APCI3501_TCW_PROG);
-		}		/* if(data[1]==2) */
-	}			/*  end if (devpriv->b_TimerSelectMode==ADDIDATA_WATCHDOG) */
+			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_WATCHDOG +
-				APCI3501_TCW_PROG);
+			ul_Command1 = inl(dev->iobase + APCI3501_TIMER_CTRL_REG);
 			ul_Command1 = (ul_Command1 & 0xFFFFF9FFUL) | 0x1UL;
 			/* Enable the Timer */
-			outl(ul_Command1,
-				dev->iobase + APCI3501_WATCHDOG +
-				APCI3501_TCW_PROG);
+			outl(ul_Command1, dev->iobase + APCI3501_TIMER_CTRL_REG);
 		} else if (data[1] == 0) {
 			/* Stop The Timer */
-			ul_Command1 =
-				inl(dev->iobase + APCI3501_WATCHDOG +
-				APCI3501_TCW_PROG);
+			ul_Command1 = inl(dev->iobase + APCI3501_TIMER_CTRL_REG);
 			ul_Command1 = ul_Command1 & 0xFFFFF9FEUL;
-			outl(ul_Command1,
-				dev->iobase + APCI3501_WATCHDOG +
-				APCI3501_TCW_PROG);
+			outl(ul_Command1, dev->iobase + APCI3501_TIMER_CTRL_REG);
 		}
 
 		else if (data[1] == 2) {
 			/* Trigger the Timer */
-			ul_Command1 =
-				inl(dev->iobase + APCI3501_WATCHDOG +
-				APCI3501_TCW_PROG);
+			ul_Command1 = inl(dev->iobase + APCI3501_TIMER_CTRL_REG);
 			ul_Command1 = (ul_Command1 & 0xFFFFF9FFUL) | 0x200UL;
-			outl(ul_Command1,
-				dev->iobase + APCI3501_WATCHDOG +
-				APCI3501_TCW_PROG);
+			outl(ul_Command1, dev->iobase + APCI3501_TIMER_CTRL_REG);
 		}
+	}
 
-	}			/*  end if (devpriv->b_TimerSelectMode==ADDIDATA_TIMER) */
-	i_Temp = inl(dev->iobase + APCI3501_WATCHDOG +
-		APCI3501_TCW_TRIG_STATUS) & 0x1;
+	i_Temp = inl(dev->iobase + APCI3501_TIMER_STATUS_REG) & 0x1;
 	return insn->n;
 }
 
@@ -258,18 +202,14 @@ static int i_APCI3501_ReadTimerCounterWatchdog(struct comedi_device *dev,
 	struct apci3501_private *devpriv = dev->private;
 
 	if (devpriv->b_TimerSelectMode == ADDIDATA_WATCHDOG) {
-		data[0] =
-			inl(dev->iobase + APCI3501_WATCHDOG +
-			APCI3501_TCW_TRIG_STATUS) & 0x1;
-		data[1] = inl(dev->iobase + APCI3501_WATCHDOG);
-	}			/*  end 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_WATCHDOG +
-			APCI3501_TCW_TRIG_STATUS) & 0x1;
-		data[1] = inl(dev->iobase + APCI3501_WATCHDOG);
-	}			/*  end 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)) {

drivers/staging/comedi/drivers/addi_apci_3501.c

@@ -44,6 +44,14 @@
 #define APCI3501_AO_DATA_VAL(x)			((x) << 8)
 #define APCI3501_AO_DATA_BIPOLAR		(1 << 31)
 #define APCI3501_AO_TRIG_SCS_REG		0x08
+#define APCI3501_TIMER_SYNC_REG			0x20
+#define APCI3501_TIMER_RELOAD_REG		0x24
+#define APCI3501_TIMER_TIMEBASE_REG		0x28
+#define APCI3501_TIMER_CTRL_REG			0x2c
+#define APCI3501_TIMER_STATUS_REG		0x30
+#define APCI3501_TIMER_IRQ_REG			0x34
+#define APCI3501_TIMER_WARN_RELOAD_REG		0x38
+#define APCI3501_TIMER_WARN_TIMEBASE_REG	0x3c
 #define APCI3501_DO_REG				0x40
 #define APCI3501_DI_REG				0x50
 
@@ -268,17 +276,11 @@ static irqreturn_t apci3501_interrupt(int irq, void *d)
 	int i_temp;
 
 	/*  Disable Interrupt */
-	ul_Command1 =
-		inl(dev->iobase + APCI3501_WATCHDOG + APCI3501_TCW_PROG);
-
+	ul_Command1 = inl(dev->iobase + APCI3501_TIMER_CTRL_REG);
 	ul_Command1 = (ul_Command1 & 0xFFFFF9FDul);
-	outl(ul_Command1,
-		dev->iobase + APCI3501_WATCHDOG + APCI3501_TCW_PROG);
-
-	ui_Timer_AOWatchdog =
-		inl(dev->iobase + APCI3501_WATCHDOG +
-		APCI3501_TCW_IRQ) & 0x1;
+	outl(ul_Command1, dev->iobase + APCI3501_TIMER_CTRL_REG);
 
+	ui_Timer_AOWatchdog = inl(dev->iobase + APCI3501_TIMER_IRQ_REG) & 0x1;
 	if ((!ui_Timer_AOWatchdog)) {
 		comedi_error(dev, "IRQ from unknown source");
 		return IRQ_NONE;
@@ -286,13 +288,10 @@ static irqreturn_t apci3501_interrupt(int irq, void *d)
 
 	/* Enable Interrupt Send a signal to from kernel to user space */
 	send_sig(SIGIO, devpriv->tsk_Current, 0);
-	ul_Command1 =
-		inl(dev->iobase + APCI3501_WATCHDOG + APCI3501_TCW_PROG);
+	ul_Command1 = inl(dev->iobase + APCI3501_TIMER_CTRL_REG);
 	ul_Command1 = ((ul_Command1 & 0xFFFFF9FDul) | 1 << 1);
-	outl(ul_Command1,
-		dev->iobase + APCI3501_WATCHDOG + APCI3501_TCW_PROG);
-	i_temp = inl(dev->iobase + APCI3501_WATCHDOG +
-		APCI3501_TCW_TRIG_STATUS) & 0x1;
+	outl(ul_Command1, dev->iobase + APCI3501_TIMER_CTRL_REG);
+	i_temp = inl(dev->iobase + APCI3501_TIMER_STATUS_REG) & 0x1;
 
 	return IRQ_HANDLED;
 }