staging: comedi: ni_stc.h: tidy up AI_Mode_3_Register and bits

Rename the CamelCase. Use the BIT() marco to define the bits.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c
index 187a261..c0bd097 100644
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -379,7 +379,7 @@
 	[NISTC_ADC_FIFO_CLR_REG]	= { 0x1a6, 2 },
 	[NISTC_DAC_FIFO_CLR_REG]	= { 0x1a8, 2 },
 	[NISTC_AO_OUT_CTRL_REG]		= { 0x1ac, 2 },
-	[AI_Mode_3_Register]		= { 0x1ae, 2 },
+	[NISTC_AI_MODE3_REG]		= { 0x1ae, 2 },
 };
 
 static void m_series_stc_write(struct comedi_device *dev,
@@ -1630,7 +1630,8 @@
 		      NISTC_AI_MODE1_REG);
 	ni_stc_writew(dev, 0, NISTC_AI_MODE2_REG);
 	/* generate FIFO interrupts on non-empty */
-	ni_stc_writew(dev, (0 << 6) | 0x0000, AI_Mode_3_Register);
+	ni_stc_writew(dev, NISTC_AI_MODE3_FIFO_MODE_NE,
+		      NISTC_AI_MODE3_REG);
 
 	ai_personal = NISTC_AI_PERSONAL_SHIFTIN_PW |
 		      NISTC_AI_PERSONAL_SOC_POLARITY |
@@ -1657,7 +1658,7 @@
 	 * are no backup registers in devpriv.  If you want to change
 	 * any of these, add a backup register and other appropriate code:
 	 *      NISTC_AI_MODE1_REG
-	 *      AI_Mode_3_Register
+	 *      NISTC_AI_MODE3_REG
 	 *      NISTC_AI_PERSONAL_REG
 	 *      NISTC_AI_OUT_CTRL_REG
 	 */
@@ -2335,7 +2336,7 @@
 	case TRIG_TIMER:
 		/*
 		 * stop bits for non 611x boards
-		 * AI_SI_Special_Trigger_Delay=0
+		 * NISTC_AI_MODE3_SI_TRIG_DELAY=0
 		 * NISTC_AI_MODE2_PRE_TRIGGER=0
 		 * NISTC_AI_START_STOP_REG:
 		 * NISTC_AI_START_POLARITY=0	(?) rising edge
@@ -2432,25 +2433,25 @@
 		case AIMODE_HALF_FULL:
 			/*generate FIFO interrupts and DMA requests on half-full */
 #ifdef PCIDMA
-			ni_stc_writew(dev, AI_FIFO_Mode_HF_to_E,
-				      AI_Mode_3_Register);
+			ni_stc_writew(dev, NISTC_AI_MODE3_FIFO_MODE_HF_E,
+				      NISTC_AI_MODE3_REG);
 #else
-			ni_stc_writew(dev, AI_FIFO_Mode_HF,
-				      AI_Mode_3_Register);
+			ni_stc_writew(dev, NISTC_AI_MODE3_FIFO_MODE_HF,
+				      NISTC_AI_MODE3_REG);
 #endif
 			break;
 		case AIMODE_SAMPLE:
 			/*generate FIFO interrupts on non-empty */
-			ni_stc_writew(dev, AI_FIFO_Mode_NE,
-				      AI_Mode_3_Register);
+			ni_stc_writew(dev, NISTC_AI_MODE3_FIFO_MODE_NE,
+				      NISTC_AI_MODE3_REG);
 			break;
 		case AIMODE_SCAN:
 #ifdef PCIDMA
-			ni_stc_writew(dev, AI_FIFO_Mode_NE,
-				      AI_Mode_3_Register);
+			ni_stc_writew(dev, NISTC_AI_MODE3_FIFO_MODE_NE,
+				      NISTC_AI_MODE3_REG);
 #else
-			ni_stc_writew(dev, AI_FIFO_Mode_HF,
-				      AI_Mode_3_Register);
+			ni_stc_writew(dev, NISTC_AI_MODE3_FIFO_MODE_HF,
+				      NISTC_AI_MODE3_REG);
 #endif
 			interrupt_a_enable |= NISTC_INTA_ENA_AI_STOP;
 			break;
diff --git a/drivers/staging/comedi/drivers/ni_stc.h b/drivers/staging/comedi/drivers/ni_stc.h
index 230744f..6c9bb6c 100644
--- a/drivers/staging/comedi/drivers/ni_stc.h
+++ b/drivers/staging/comedi/drivers/ni_stc.h
@@ -475,6 +475,23 @@
 #define NISTC_AO_OUT_CTRL_UPDATE_SEL_LOW	NISTC_AO_OUT_CTRL_UPDATE_SEL(2)
 #define NISTC_AO_OUT_CTRL_UPDATE_SEL_HIGH	NISTC_AO_OUT_CTRL_UPDATE_SEL(3)
 
+#define NISTC_AI_MODE3_REG		87
+#define NISTC_AI_MODE3_TRIG_LEN		BIT(15)
+#define NISTC_AI_MODE3_DELAY_START	BIT(14)
+#define NISTC_AI_MODE3_SOFTWARE_GATE	BIT(13)
+#define NISTC_AI_MODE3_SI_TRIG_DELAY	BIT(12)
+#define NISTC_AI_MODE3_SI2_SRC_SEL	BIT(11)
+#define NISTC_AI_MODE3_DELAYED_START2	BIT(10)
+#define NISTC_AI_MODE3_DELAYED_START1	BIT(9)
+#define NISTC_AI_MODE3_EXT_GATE_MODE	BIT(8)
+#define NISTC_AI_MODE3_FIFO_MODE(x)	(((x) & 0x3) << 6)
+#define NISTC_AI_MODE3_FIFO_MODE_NE	NISTC_AI_MODE3_FIFO_MODE(0)
+#define NISTC_AI_MODE3_FIFO_MODE_HF	NISTC_AI_MODE3_FIFO_MODE(1)
+#define NISTC_AI_MODE3_FIFO_MODE_F	NISTC_AI_MODE3_FIFO_MODE(2)
+#define NISTC_AI_MODE3_FIFO_MODE_HF_E	NISTC_AI_MODE3_FIFO_MODE(3)
+#define NISTC_AI_MODE3_EXT_GATE_POL	BIT(5)
+#define NISTC_AI_MODE3_EXT_GATE_SEL(x)	(((x) & 0x1f) << 0)
+
 #define AI_Status_1_Register		2
 #define Interrupt_A_St				0x8000
 #define AI_FIFO_Full_St				0x4000
@@ -533,22 +550,6 @@
 #define AO_BC_Save_Registers		18
 #define AO_UC_Save_Registers		20
 
-#define AI_Mode_3_Register		87
-#define AI_Trigger_Length			_bit15
-#define AI_Delay_START				_bit14
-#define AI_Software_Gate			_bit13
-#define AI_SI_Special_Trigger_Delay		_bit12
-#define AI_SI2_Source_Select			_bit11
-#define AI_Delayed_START2			_bit10
-#define AI_Delayed_START1			_bit9
-#define AI_External_Gate_Mode			_bit8
-#define AI_FIFO_Mode_HF_to_E			(3<<6)
-#define AI_FIFO_Mode_F				(2<<6)
-#define AI_FIFO_Mode_HF				(1<<6)
-#define AI_FIFO_Mode_NE				(0<<6)
-#define AI_External_Gate_Polarity		_bit5
-#define AI_External_Gate_Select(a)		((a) & 0x1f)
-
 #define G_HW_Save_Register(a)		(8+(a)*2)
 #define G_HW_Save_Register_High(a)	(8+(a)*2)
 #define G_HW_Save_Register_Low(a)	(9+(a)*2)