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Message-ID: <201206201926.56951.hartleys@visionengravers.com>
Date: Wed, 20 Jun 2012 19:26:56 -0700
From: H Hartley Sweeten <hartleys@...ionengravers.com>
To: Linux Kernel <linux-kernel@...r.kernel.org>
CC: <devel@...verdev.osuosl.org>, <abbotti@....co.uk>,
<fmhess@...rs.sourceforge.net>, <gregkh@...uxfoundation.org>
Subject: [PATCH 09/12] staging: comedi: s626: remove forward declarations 7
Move up the remaining functions needed to remove the forward
declarations.
Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com>
Cc: Ian Abbott <abbotti@....co.uk>
Cc: Frank Mori Hess <fmhess@...rs.sourceforge.net>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
drivers/staging/comedi/drivers/s626.c | 185 ++++++++++++++++------------------
1 file changed, 85 insertions(+), 100 deletions(-)
diff --git a/drivers/staging/comedi/drivers/s626.c b/drivers/staging/comedi/drivers/s626.c
index d7d72ac1..50656a7 100644
--- a/drivers/staging/comedi/drivers/s626.c
+++ b/drivers/staging/comedi/drivers/s626.c
@@ -230,16 +230,6 @@ struct enc_private {
#define encpriv ((struct enc_private *)(dev->subdevices+5)->private)
-static void s626_timer_load(struct comedi_device *dev, struct enc_private *k,
- int tick);
-static uint32_t ReadLatch(struct comedi_device *dev, struct enc_private *k);
-static void SetLatchSource(struct comedi_device *dev, struct enc_private *k,
- uint16_t value);
-static void Preload(struct comedi_device *dev, struct enc_private *k,
- uint32_t value);
-
-/* Counter objects constructor. */
-
/* Counter overflow/index event flag masks for RDMISC2. */
#define INDXMASK(C) (1 << (((C) > 2) ? ((C) * 2 - 1) : ((C) * 2 + 4)))
#define OVERMASK(C) (1 << (((C) > 2) ? ((C) * 2 + 5) : ((C) * 2 + 10)))
@@ -652,6 +642,57 @@ static void LoadTrimDACs(struct comedi_device *dev)
WriteTrimDAC(dev, i, I2Cread(dev, trimadrs[i]));
}
+/* ****** COUNTER FUNCTIONS ******* */
+/* All counter functions address a specific counter by means of the
+ * "Counter" argument, which is a logical counter number. The Counter
+ * argument may have any of the following legal values: 0=0A, 1=1A,
+ * 2=2A, 3=0B, 4=1B, 5=2B.
+ */
+
+/* Read a counter's output latch. */
+static uint32_t ReadLatch(struct comedi_device *dev, struct enc_private *k)
+{
+ register uint32_t value;
+ /* DEBUG FIXME DEBUG("ReadLatch: Read Latch enter\n"); */
+
+ /* Latch counts and fetch LSW of latched counts value. */
+ value = (uint32_t) DEBIread(dev, k->MyLatchLsw);
+
+ /* Fetch MSW of latched counts and combine with LSW. */
+ value |= ((uint32_t) DEBIread(dev, k->MyLatchLsw + 2) << 16);
+
+ /* DEBUG FIXME DEBUG("ReadLatch: Read Latch exit\n"); */
+
+ /* Return latched counts. */
+ return value;
+}
+
+/* Return/set a counter pair's latch trigger source. 0: On read
+ * access, 1: A index latches A, 2: B index latches B, 3: A overflow
+ * latches B.
+ */
+static void SetLatchSource(struct comedi_device *dev, struct enc_private *k,
+ uint16_t value)
+{
+ DEBUG("SetLatchSource: SetLatchSource enter 3550\n");
+ DEBIreplace(dev, k->MyCRB,
+ (uint16_t) (~(CRBMSK_INTCTRL | CRBMSK_LATCHSRC)),
+ (uint16_t) (value << CRBBIT_LATCHSRC));
+
+ DEBUG("SetLatchSource: SetLatchSource exit\n");
+}
+
+/* Write value into counter preload register. */
+static void Preload(struct comedi_device *dev, struct enc_private *k,
+ uint32_t value)
+{
+ DEBUG("Preload: preload enter\n");
+ DEBIwrite(dev, (uint16_t) (k->MyLatchLsw), (uint16_t) value); /* Write value to preload register. */
+ DEBUG("Preload: preload step 1\n");
+ DEBIwrite(dev, (uint16_t) (k->MyLatchLsw + 2),
+ (uint16_t) (value >> 16));
+}
+
static unsigned int s626_ai_reg_to_uint(int data)
{
unsigned int tempdata;
@@ -1475,6 +1516,40 @@ static int s626_ns_to_timer(int *nanosec, int round_mode)
return divider - 1;
}
+static void s626_timer_load(struct comedi_device *dev, struct enc_private *k,
+ int tick)
+{
+ uint16_t Setup = (LOADSRC_INDX << BF_LOADSRC) | /* Preload upon */
+ /* index. */
+ (INDXSRC_SOFT << BF_INDXSRC) | /* Disable hardware index. */
+ (CLKSRC_TIMER << BF_CLKSRC) | /* Operating mode is Timer. */
+ (CLKPOL_POS << BF_CLKPOL) | /* Active high clock. */
+ (CNTDIR_DOWN << BF_CLKPOL) | /* Count direction is Down. */
+ (CLKMULT_1X << BF_CLKMULT) | /* Clock multiplier is 1x. */
+ (CLKENAB_INDEX << BF_CLKENAB);
+ uint16_t valueSrclatch = LATCHSRC_A_INDXA;
+ /* uint16_t enab=CLKENAB_ALWAYS; */
+
+ k->SetMode(dev, k, Setup, FALSE);
+
+ /* Set the preload register */
+ Preload(dev, k, tick);
+
+ /* Software index pulse forces the preload register to load */
+ /* into the counter */
+ k->SetLoadTrig(dev, k, 0);
+ k->PulseIndex(dev, k);
+
+ /* set reload on counter overflow */
+ k->SetLoadTrig(dev, k, 1);
+
+ /* set interrupt on overflow */
+ k->SetIntSrc(dev, k, INTSRC_OVER);
+
+ SetLatchSource(dev, k, valueSrclatch);
+ /* k->SetEnable(dev,k,(uint16_t)(enab != 0)); */
+}
+
/* TO COMPLETE */
static int s626_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
{
@@ -2004,40 +2079,6 @@ static int s626_enc_insn_write(struct comedi_device *dev,
return 1;
}
-static void s626_timer_load(struct comedi_device *dev, struct enc_private *k,
- int tick)
-{
- uint16_t Setup = (LOADSRC_INDX << BF_LOADSRC) | /* Preload upon */
- /* index. */
- (INDXSRC_SOFT << BF_INDXSRC) | /* Disable hardware index. */
- (CLKSRC_TIMER << BF_CLKSRC) | /* Operating mode is Timer. */
- (CLKPOL_POS << BF_CLKPOL) | /* Active high clock. */
- (CNTDIR_DOWN << BF_CLKPOL) | /* Count direction is Down. */
- (CLKMULT_1X << BF_CLKMULT) | /* Clock multiplier is 1x. */
- (CLKENAB_INDEX << BF_CLKENAB);
- uint16_t valueSrclatch = LATCHSRC_A_INDXA;
- /* uint16_t enab=CLKENAB_ALWAYS; */
-
- k->SetMode(dev, k, Setup, FALSE);
-
- /* Set the preload register */
- Preload(dev, k, tick);
-
- /* Software index pulse forces the preload register to load */
- /* into the counter */
- k->SetLoadTrig(dev, k, 0);
- k->PulseIndex(dev, k);
-
- /* set reload on counter overflow */
- k->SetLoadTrig(dev, k, 1);
-
- /* set interrupt on overflow */
- k->SetIntSrc(dev, k, INTSRC_OVER);
-
- SetLatchSource(dev, k, valueSrclatch);
- /* k->SetEnable(dev,k,(uint16_t)(enab != 0)); */
-}
-
static void WriteMISC2(struct comedi_device *dev, uint16_t NewImage)
{
DEBIwrite(dev, LP_MISC1, MISC1_WENABLE); /* enab writes to */
@@ -2069,36 +2110,8 @@ static void CloseDMAB(struct comedi_device *dev, struct bufferDMA *pdma,
}
}
-/* ****** COUNTER FUNCTIONS ******* */
-/* All counter functions address a specific counter by means of the
- * "Counter" argument, which is a logical counter number. The Counter
- * argument may have any of the following legal values: 0=0A, 1=1A,
- * 2=2A, 3=0B, 4=1B, 5=2B.
- */
-
-/* Forward declarations for functions that are common to both A and B counters: */
-
/* ****** PRIVATE COUNTER FUNCTIONS ****** */
-/* Read a counter's output latch. */
-
-static uint32_t ReadLatch(struct comedi_device *dev, struct enc_private *k)
-{
- register uint32_t value;
- /* DEBUG FIXME DEBUG("ReadLatch: Read Latch enter\n"); */
-
- /* Latch counts and fetch LSW of latched counts value. */
- value = (uint32_t) DEBIread(dev, k->MyLatchLsw);
-
- /* Fetch MSW of latched counts and combine with LSW. */
- value |= ((uint32_t) DEBIread(dev, k->MyLatchLsw + 2) << 16);
-
- /* DEBUG FIXME DEBUG("ReadLatch: Read Latch exit\n"); */
-
- /* Return latched counts. */
- return value;
-}
-
/* Reset a counter's index and overflow event capture flags. */
static void ResetCapFlags_A(struct comedi_device *dev, struct enc_private *k)
@@ -2348,22 +2361,6 @@ static uint16_t GetEnable_B(struct comedi_device *dev, struct enc_private *k)
return (DEBIread(dev, k->MyCRB) >> CRBBIT_CLKENAB_B) & 1;
}
-/* Return/set a counter pair's latch trigger source. 0: On read
- * access, 1: A index latches A, 2: B index latches B, 3: A overflow
- * latches B.
- */
-
-static void SetLatchSource(struct comedi_device *dev, struct enc_private *k,
- uint16_t value)
-{
- DEBUG("SetLatchSource: SetLatchSource enter 3550\n");
- DEBIreplace(dev, k->MyCRB,
- (uint16_t) (~(CRBMSK_INTCTRL | CRBMSK_LATCHSRC)),
- (uint16_t) (value << CRBBIT_LATCHSRC));
-
- DEBUG("SetLatchSource: SetLatchSource exit\n");
-}
-
/*
* static uint16_t GetLatchSource(struct comedi_device *dev, struct enc_private *k )
* {
@@ -2541,18 +2538,6 @@ static void PulseIndex_B(struct comedi_device *dev, struct enc_private *k)
DEBIwrite(dev, k->MyCRB, crb);
}
-/* Write value into counter preload register. */
-
-static void Preload(struct comedi_device *dev, struct enc_private *k,
- uint32_t value)
-{
- DEBUG("Preload: preload enter\n");
- DEBIwrite(dev, (uint16_t) (k->MyLatchLsw), (uint16_t) value); /* Write value to preload register. */
- DEBUG("Preload: preload step 1\n");
- DEBIwrite(dev, (uint16_t) (k->MyLatchLsw + 2),
- (uint16_t) (value >> 16));
-}
-
static struct enc_private enc_private_data[] = {
{
.GetEnable = GetEnable_A,
--
1.7.11
--
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