From: Maurice Dawson <mauricedawson2699@xxxxxxxxxxxxxx>
Fixes all over 80 character warnings in the adl_pci9118.c file found by the checkpatch.pl tool
Signed-off-by: Maurice Dawson <mauricedawson2699@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/staging/comedi/drivers/adl_pci9118.c | 778 ++++++++++++++++++--------
1 files changed, 530 insertions(+), 248 deletions(-)
diff --git a/drivers/staging/comedi/drivers/adl_pci9118.c b/drivers/staging/comedi/drivers/adl_pci9118.c
index bed7e41..4f9fd7d 100644
--- a/drivers/staging/comedi/drivers/adl_pci9118.c
+++ b/drivers/staging/comedi/drivers/adl_pci9118.c
@@ -75,9 +75,15 @@ Configuration options:
#include "comedi_fc.h"
/* paranoid checks are broken */
-#undef PCI9118_PARANOIDCHECK /* if defined, then is used code which control correct channel number on every 12 bit sample */
+#undef PCI9118_PARANOIDCHECK /*
+ * if defined, then is used code which control
+ * correct channel number on every 12 bit sample
+ */
-#undef PCI9118_EXTDEBUG /* if defined then driver prints a lot of messages */
+#undef PCI9118_EXTDEBUG /*
+ * if defined then driver prints
+ * a lot of messages
+ */
#undef DPRINTK
#ifdef PCI9118_EXTDEBUG
@@ -87,7 +93,10 @@ Configuration options:
#endif
#define IORANGE_9118 64 /* I hope */
-#define PCI9118_CHANLEN 255 /* len of chanlist, some source say 256, but reality looks like 255 :-( */
+#define PCI9118_CHANLEN 255 /*
+ * len of chanlist, some source say 256,
+ * but reality looks like 255 :-(
+ */
#define PCI9118_CNT0 0x00 /* R/W: 8254 counter 0 */
#define PCI9118_CNT1 0x04 /* R/W: 8254 counter 0 */
@@ -113,20 +122,47 @@ Configuration options:
#define AdControl_UniP 0x80 /* 1=bipolar, 0=unipolar */
#define AdControl_Diff 0x40 /* 1=differential, 0= single end inputs */
#define AdControl_SoftG 0x20 /* 1=8254 counter works, 0=counter stops */
-#define AdControl_ExtG 0x10 /* 1=8254 countrol controlled by TGIN(pin 46), 0=controled by SoftG */
-#define AdControl_ExtM 0x08 /* 1=external hardware trigger (pin 44), 0=internal trigger */
-#define AdControl_TmrTr 0x04 /* 1=8254 is iternal trigger source, 0=software trigger is source (register PCI9118_SOFTTRG) */
+#define AdControl_ExtG 0x10 /*
+ * 1=8254 countrol controlled by TGIN(pin 46),
+ * 0=controlled by SoftG
+ */
+#define AdControl_ExtM 0x08 /*
+ * 1=external hardware trigger (pin 44),
+ * 0=internal trigger
+ */
+#define AdControl_TmrTr 0x04 /*
+ * 1=8254 is iternal trigger source,
+ * 0=software trigger is source
+ * (register PCI9118_SOFTTRG)
+ */
#define AdControl_Int 0x02 /* 1=enable INT, 0=disable */
#define AdControl_Dma 0x01 /* 1=enable DMA, 0=disable */
/* bits from A/D function register (PCI9118_ADFUNC) */
-#define AdFunction_PDTrg 0x80 /* 1=positive, 0=negative digital trigger (only positive is correct) */
-#define AdFunction_PETrg 0x40 /* 1=positive, 0=negative external trigger (only positive is correct) */
+#define AdFunction_PDTrg 0x80 /*
+ * 1=positive,
+ * 0=negative digital trigger
+ * (only positive is correct)
+ */
+#define AdFunction_PETrg 0x40 /*
+ * 1=positive,
+ * 0=negative external trigger
+ * (only positive is correct)
+ */
#define AdFunction_BSSH 0x20 /* 1=with sample&hold, 0=without */
#define AdFunction_BM 0x10 /* 1=burst mode, 0=normal mode */
-#define AdFunction_BS 0x08 /* 1=burst mode start, 0=burst mode stop */
-#define AdFunction_PM 0x04 /* 1=post trigger mode, 0=not post trigger */
-#define AdFunction_AM 0x02 /* 1=about trigger mode, 0=not about trigger */
+#define AdFunction_BS 0x08 /*
+ * 1=burst mode start,
+ * 0=burst mode stop
+ */
+#define AdFunction_PM 0x04 /*
+ * 1=post trigger mode,
+ * 0=not post trigger
+ */
+#define AdFunction_AM 0x02 /*
+ * 1=about trigger mode,
+ * 0=not about trigger
+ */
#define AdFunction_Start 0x01 /* 1=trigger start, 0=trigger stop */
/* bits from A/D status register (PCI9118_ADSTAT) */
@@ -178,30 +214,39 @@ static const struct comedi_lrange range_pci9118hg = { 8, {
}
};
-#define PCI9118_BIPOLAR_RANGES 4 /* used for test on mixture of BIP/UNI ranges */
+#define PCI9118_BIPOLAR_RANGES 4 /*
+ * used for test on mixture
+ * of BIP/UNI ranges
+ */
static int pci9118_attach(struct comedi_device *dev,
struct comedi_devconfig *it);
static int pci9118_detach(struct comedi_device *dev);
struct boardtype {
- const char *name; /* board name */
- int vendor_id; /* PCI vendor a device ID of card */
+ const char *name; /* board name */
+ int vendor_id; /* PCI vendor a device ID of card */
int device_id;
- int iorange_amcc; /* iorange for own S5933 region */
- int iorange_9118; /* pass thru card region size */
- int n_aichan; /* num of A/D chans */
- int n_aichand; /* num of A/D chans in diff mode */
- int mux_aichan; /* num of A/D chans with external multiplexor */
- int n_aichanlist; /* len of chanlist */
- int n_aochan; /* num of D/A chans */
- int ai_maxdata; /* resolution of A/D */
- int ao_maxdata; /* resolution of D/A */
- const struct comedi_lrange *rangelist_ai; /* rangelist for A/D */
- const struct comedi_lrange *rangelist_ao; /* rangelist for D/A */
- unsigned int ai_ns_min; /* max sample speed of card v ns */
- unsigned int ai_pacer_min; /* minimal pacer value (c1*c2 or c1 in burst) */
- int half_fifo_size; /* size of FIFO/2 */
+ int iorange_amcc; /* iorange for own S5933 region */
+ int iorange_9118; /* pass thru card region size */
+ int n_aichan; /* num of A/D chans */
+ int n_aichand; /* num of A/D chans in diff mode */
+ int mux_aichan; /*
+ * num of A/D chans with
+ * external multiplexor
+ */
+ int n_aichanlist; /* len of chanlist */
+ int n_aochan; /* num of D/A chans */
+ int ai_maxdata; /* resolution of A/D */
+ int ao_maxdata; /* resolution of D/A */
+ const struct comedi_lrange *rangelist_ai; /* rangelist for A/D */
+ const struct comedi_lrange *rangelist_ao; /* rangelist for D/A */
+ unsigned int ai_ns_min; /* max sample speed of card v ns */
+ unsigned int ai_pacer_min; /*
+ * minimal pacer value
+ * (c1*c2 or c1 in burst)
+ */
+ int half_fifo_size; /* size of FIFO/2 */
};
@@ -246,63 +291,113 @@ static struct comedi_driver driver_pci9118 = {
COMEDI_PCI_INITCLEANUP(driver_pci9118, pci9118_pci_table);
struct pci9118_private {
- unsigned long iobase_a; /* base+size for AMCC chip */
- unsigned int master; /* master capable */
- struct pci_dev *pcidev; /* ptr to actual pcidev */
- unsigned int usemux; /* we want to use external multiplexor! */
+ unsigned long iobase_a; /* base+size for AMCC chip */
+ unsigned int master; /* master capable */
+ struct pci_dev *pcidev; /* ptr to actual pcidev */
+ unsigned int usemux; /* we want to use external multiplexor! */
#ifdef PCI9118_PARANOIDCHECK
- unsigned short chanlist[PCI9118_CHANLEN + 1]; /* list of scaned channel */
- unsigned char chanlistlen; /* number of scanlist */
+ unsigned short chanlist[PCI9118_CHANLEN + 1]; /*
+ * list of
+ * scanned channel
+ */
+ unsigned char chanlistlen; /* number of scanlist */
#endif
- unsigned char AdControlReg; /* A/D control register */
- unsigned char IntControlReg; /* Interrupt control register */
- unsigned char AdFunctionReg; /* A/D function register */
- char valid; /* driver is ok */
- char ai_neverending; /* we do unlimited AI */
- unsigned int i8254_osc_base; /* frequence of onboard oscilator */
- unsigned int ai_do; /* what do AI? 0=nothing, 1 to 4 mode */
- unsigned int ai_act_scan; /* how many scans we finished */
- unsigned int ai_buf_ptr; /* data buffer ptr in samples */
- unsigned int ai_n_chan; /* how many channels is measured */
- unsigned int ai_n_scanlen; /* len of actual scanlist */
- unsigned int ai_n_realscanlen; /* what we must transfer for one outgoing scan include front/back adds */
- unsigned int ai_act_dmapos; /* position in actual real stream */
- unsigned int ai_add_front; /* how many channels we must add before scan to satisfy S&H? */
- unsigned int ai_add_back; /* how many channels we must add before scan to satisfy DMA? */
- unsigned int *ai_chanlist; /* actaul chanlist */
+ unsigned char AdControlReg; /* A/D control register */
+ unsigned char IntControlReg; /* Interrupt control register */
+ unsigned char AdFunctionReg; /* A/D function register */
+ char valid; /* driver is ok */
+ char ai_neverending; /* we do unlimited AI */
+ unsigned int i8254_osc_base; /* frequence of onboard oscilator */
+ unsigned int ai_do; /* what do AI? 0=nothing, 1 to 4 mode */
+ unsigned int ai_act_scan; /* how many scans we finished */
+ unsigned int ai_buf_ptr; /* data buffer ptr in samples */
+ unsigned int ai_n_chan; /* how many channels is measured */
+ unsigned int ai_n_scanlen; /* len of actual scanlist */
+ unsigned int ai_n_realscanlen; /*
+ * what we must transfer for one
+ * outgoing scan include front/back adds
+ */
+ unsigned int ai_act_dmapos; /* position in actual real stream */
+ unsigned int ai_add_front; /*
+ * how many channels we must add
+ * before scan to satisfy S&H?
+ */
+ unsigned int ai_add_back; /*
+ * how many channels we must add
+ * before scan to satisfy DMA?
+ */
+ unsigned int *ai_chanlist; /* actual chanlist */
unsigned int ai_timer1;
unsigned int ai_timer2;
unsigned int ai_flags;
- char ai12_startstop; /* measure can start/stop on external trigger */
- unsigned int ai_divisor1, ai_divisor2; /* divisors for start of measure on external start */
+ char ai12_startstop; /*
+ * measure can start/stop
+ * on external trigger
+ */
+ unsigned int ai_divisor1, ai_divisor2; /*
+ * divisors for start of measure
+ * on external start
+ */
unsigned int ai_data_len;
short *ai_data;
- short ao_data[2]; /* data output buffer */
- unsigned int ai_scans; /* number of scans to do */
- char dma_doublebuf; /* we can use double buffring */
- unsigned int dma_actbuf; /* which buffer is used now */
- short *dmabuf_virt[2]; /* pointers to begin of DMA buffer */
- unsigned long dmabuf_hw[2]; /* hw address of DMA buff */
- unsigned int dmabuf_size[2]; /* size of dma buffer in bytes */
- unsigned int dmabuf_use_size[2]; /* which size we may now used for transfer */
- unsigned int dmabuf_used_size[2]; /* which size was trully used */
+ short ao_data[2]; /* data output buffer */
+ unsigned int ai_scans; /* number of scans to do */
+ char dma_doublebuf; /* we can use double buffring */
+ unsigned int dma_actbuf; /* which buffer is used now */
+ short *dmabuf_virt[2]; /*
+ * pointers to begin of
+ * DMA buffer
+ */
+ unsigned long dmabuf_hw[2]; /* hw address of DMA buff */
+ unsigned int dmabuf_size[2]; /*
+ * size of dma buffer in bytes
+ */
+ unsigned int dmabuf_use_size[2]; /*
+ * which size we may now use
+ * for transfer
+ */
+ unsigned int dmabuf_used_size[2]; /* which size was truly used */
unsigned int dmabuf_panic_size[2];
- unsigned int dmabuf_samples[2]; /* size in samples */
- int dmabuf_pages[2]; /* number of pages in buffer */
- unsigned char cnt0_users; /* bit field of 8254 CNT0 users (0-unused, 1-AO, 2-DI, 3-DO) */
- unsigned char exttrg_users; /* bit field of external trigger users (0-AI, 1-AO, 2-DI, 3-DO) */
- unsigned int cnt0_divisor; /* actual CNT0 divisor */
- void (*int_ai_func) (struct comedi_device *, struct comedi_subdevice *, unsigned short, unsigned int, unsigned short); /* ptr to actual interrupt AI function */
- unsigned char ai16bits; /* =1 16 bit card */
- unsigned char usedma; /* =1 use DMA transfer and not INT */
- unsigned char useeoshandle; /* =1 change WAKE_EOS DMA transfer to fit on every second */
- unsigned char usessh; /* =1 turn on S&H support */
- int softsshdelay; /* >0 use software S&H, numer is requested delay in ns */
- unsigned char softsshsample; /* polarity of S&H signal in sample state */
- unsigned char softsshhold; /* polarity of S&H signal in hold state */
- unsigned int ai_maskerr; /* which warning was printed */
- unsigned int ai_maskharderr; /* on which error bits stops */
- unsigned int ai_inttrig_start; /* TRIG_INT for start */
+ unsigned int dmabuf_samples[2]; /* size in samples */
+ int dmabuf_pages[2]; /* number of pages in buffer */
+ unsigned char cnt0_users; /*
+ * bit field of 8254 CNT0 users
+ * (0-unused, 1-AO, 2-DI, 3-DO)
+ */
+ unsigned char exttrg_users; /*
+ * bit field of external trigger
+ * users(0-AI, 1-AO, 2-DI, 3-DO)
+ */
+ unsigned int cnt0_divisor; /* actual CNT0 divisor */
+ void (*int_ai_func) (struct comedi_device *, struct comedi_subdevice *,
+ unsigned short,
+ unsigned int,
+ unsigned short); /*
+ * ptr to actual interrupt
+ * AI function
+ */
+ unsigned char ai16bits; /* =1 16 bit card */
+ unsigned char usedma; /* =1 use DMA transfer and not INT */
+ unsigned char useeoshandle; /*
+ * =1 change WAKE_EOS DMA transfer
+ * to fit on every second
+ */
+ unsigned char usessh; /* =1 turn on S&H support */
+ int softsshdelay; /*
+ * >0 use software S&H,
+ * numer is requested delay in ns
+ */
+ unsigned char softsshsample; /*
+ * polarity of S&H signal
+ * in sample state
+ */
+ unsigned char softsshhold; /*
+ * polarity of S&H signal
+ * in hold state
+ */
+ unsigned int ai_maskerr; /* which warning was printed */
+ unsigned int ai_maskharderr; /* on which error bits stops */
+ unsigned int ai_inttrig_start; /* TRIG_INT for start */
};
#define devpriv ((struct pci9118_private *)dev->private)
@@ -346,12 +441,19 @@ static int pci9118_insn_read_ai(struct comedi_device *dev,
devpriv->AdControlReg = AdControl_Int & 0xff;
devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg;
- outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC); /* positive triggers, no S&H, no burst, burst stop, no post trigger, no about trigger, trigger stop */
+ outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC);
+ /*
+ * positive triggers, no S&H,
+ * no burst, burst stop,
+ * no post trigger,
+ * no about trigger,
+ * trigger stop
+ */
if (!setup_channel_list(dev, s, 1, &insn->chanspec, 0, 0, 0, 0, 0))
return -EINVAL;
- outl(0, dev->iobase + PCI9118_DELFIFO); /* flush FIFO */
+ outl(0, dev->iobase + PCI9118_DELFIFO); /* flush FIFO */
for (n = 0; n < insn->n; n++) {
outw(0, dev->iobase + PCI9118_SOFTTRG); /* start conversion */
@@ -365,7 +467,7 @@ static int pci9118_insn_read_ai(struct comedi_device *dev,
comedi_error(dev, "A/D insn timeout");
data[n] = 0;
- outl(0, dev->iobase + PCI9118_DELFIFO); /* flush FIFO */
+ outl(0, dev->iobase + PCI9118_DELFIFO); /* flush FIFO */
return -ETIME;
conv_finish:
@@ -379,7 +481,7 @@ conv_finish:
}
}
- outl(0, dev->iobase + PCI9118_DELFIFO); /* flush FIFO */
+ outl(0, dev->iobase + PCI9118_DELFIFO); /* flush FIFO */
return n;
}
@@ -590,11 +692,13 @@ static void interrupt_pci9118_ai_onesample(struct comedi_device *dev,
#ifdef PCI9118_PARANOIDCHECK
if (devpriv->ai16bits == 0) {
- if ((sampl & 0x000f) != devpriv->chanlist[s->async->cur_chan]) { /* data dropout! */
+ if ((sampl & 0x000f) != devpriv->chanlist[s->async->cur_chan]) {
+ /* data dropout! */
printk
- ("comedi: A/D SAMPL - data dropout: received channel %d, expected %d!\n",
- sampl & 0x000f,
- devpriv->chanlist[s->async->cur_chan]);
+ ("comedi: A/D SAMPL - data dropout: "
+ "received channel %d, expected %d!\n",
+ sampl & 0x000f,
+ devpriv->chanlist[s->async->cur_chan]);
s->async->events |= COMEDI_CB_ERROR | COMEDI_CB_EOA;
pci9118_ai_cancel(dev, s);
comedi_event(dev, s);
@@ -604,11 +708,13 @@ static void interrupt_pci9118_ai_onesample(struct comedi_device *dev,
#endif
cfc_write_to_buffer(s, sampl);
s->async->cur_chan++;
- if (s->async->cur_chan >= devpriv->ai_n_scanlen) { /* one scan done */
+ if (s->async->cur_chan >= devpriv->ai_n_scanlen) {
+ /* one scan done */
s->async->cur_chan %= devpriv->ai_n_scanlen;
devpriv->ai_act_scan++;
if (!(devpriv->ai_neverending))
- if (devpriv->ai_act_scan >= devpriv->ai_scans) { /* all data sampled */
+ if (devpriv->ai_act_scan >= devpriv->ai_scans) {
+ /* all data sampled */
pci9118_ai_cancel(dev, s);
s->async->events |= COMEDI_CB_EOA;
}
@@ -650,10 +756,14 @@ static void interrupt_pci9118_ai_dma(struct comedi_device *dev,
if (pci9118_decode_error_status(dev, s, int_adstat))
return;
- samplesinbuf = devpriv->dmabuf_use_size[devpriv->dma_actbuf] >> 1; /* number of received real samples */
+ samplesinbuf = devpriv->dmabuf_use_size[devpriv->dma_actbuf] >> 1;
+ /* number of received real samples */
/* DPRINTK("dma_actbuf=%d\n",devpriv->dma_actbuf); */
- if (devpriv->dma_doublebuf) { /* switch DMA buffers if is used double buffering */
+ if (devpriv->dma_doublebuf) { /*
+ * switch DMA buffers if is used
+ * double buffering
+ */
next_dma_buf = 1 - devpriv->dma_actbuf;
outl(devpriv->dmabuf_hw[next_dma_buf],
devpriv->iobase_a + AMCC_OP_REG_MWAR);
@@ -666,25 +776,32 @@ static void interrupt_pci9118_ai_dma(struct comedi_device *dev,
}
if (samplesinbuf) {
- m = devpriv->ai_data_len >> 1; /* how many samples is to end of buffer */
-/* DPRINTK("samps=%d m=%d %d %d\n",samplesinbuf,m,s->async->buf_int_count,s->async->buf_int_ptr); */
+ m = devpriv->ai_data_len >> 1; /*
+ * how many samples is to
+ * end of buffer
+ */
+/*
+ * DPRINTK("samps=%d m=%d %d %d\n",
+ * samplesinbuf,m,s->async->buf_int_count,s->async->buf_int_ptr);
+ */
sampls = m;
move_block_from_dma(dev, s,
devpriv->dmabuf_virt[devpriv->dma_actbuf],
samplesinbuf);
- m = m - sampls; /* m= how many samples was transfered */
+ m = m - sampls; /* m= how many samples was transfered */
}
/* DPRINTK("YYY\n"); */
if (!devpriv->ai_neverending)
- if (devpriv->ai_act_scan >= devpriv->ai_scans) { /* all data sampled */
+ if (devpriv->ai_act_scan >= devpriv->ai_scans) {
+ /* all data sampled */
pci9118_ai_cancel(dev, s);
s->async->events |= COMEDI_CB_EOA;
}
- if (devpriv->dma_doublebuf) { /* switch dma buffers */
+ if (devpriv->dma_doublebuf) { /* switch dma buffers */
devpriv->dma_actbuf = 1 - devpriv->dma_actbuf;
- } else { /* restart DMA if is not used double buffering */
+ } else { /* restart DMA if is not used double buffering */
outl(devpriv->dmabuf_hw[0],
devpriv->iobase_a + AMCC_OP_REG_MWAR);
outl(devpriv->dmabuf_use_size[0],
@@ -705,39 +822,62 @@ static irqreturn_t interrupt_pci9118(int irq, void *d)
unsigned int int_daq = 0, int_amcc, int_adstat;
if (!dev->attached)
- return IRQ_NONE; /* not fully initialized */
+ return IRQ_NONE; /* not fully initialized */
- int_daq = inl(dev->iobase + PCI9118_INTSRC) & 0xf; /* get IRQ reasons from card */
- int_amcc = inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR); /* get INT register from AMCC chip */
+ int_daq = inl(dev->iobase + PCI9118_INTSRC) & 0xf;
+ /* get IRQ reasons from card */
+ int_amcc = inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR);
+ /* get INT register from AMCC chip */
-/* DPRINTK("INT daq=0x%01x amcc=0x%08x MWAR=0x%08x MWTC=0x%08x ADSTAT=0x%02x ai_do=%d\n", int_daq, int_amcc, inl(devpriv->iobase_a+AMCC_OP_REG_MWAR), inl(devpriv->iobase_a+AMCC_OP_REG_MWTC), inw(dev->iobase+PCI9118_ADSTAT)&0x1ff,devpriv->ai_do); */
+/*
+ * DPRINTK("INT daq=0x%01x amcc=0x%08x MWAR=0x%08x
+ * MWTC=0x%08x ADSTAT=0x%02x ai_do=%d\n",
+ * int_daq, int_amcc, inl(devpriv->iobase_a+AMCC_OP_REG_MWAR),
+ * inl(devpriv->iobase_a+AMCC_OP_REG_MWTC),
+ * inw(dev->iobase+PCI9118_ADSTAT)&0x1ff,devpriv->ai_do);
+ */
if ((!int_daq) && (!(int_amcc & ANY_S593X_INT)))
- return IRQ_NONE; /* interrupt from other source */
+ return IRQ_NONE; /* interrupt from other source */
- outl(int_amcc | 0x00ff0000, devpriv->iobase_a + AMCC_OP_REG_INTCSR); /* shutdown IRQ reasons in AMCC */
+ outl(int_amcc | 0x00ff0000, devpriv->iobase_a + AMCC_OP_REG_INTCSR);
+ /* shutdown IRQ reasons in AMCC */
- int_adstat = inw(dev->iobase + PCI9118_ADSTAT) & 0x1ff; /* get STATUS register */
+ int_adstat = inw(dev->iobase + PCI9118_ADSTAT) & 0x1ff;
+ /* get STATUS register */
if (devpriv->ai_do) {
if (devpriv->ai12_startstop)
- if ((int_adstat & AdStatus_DTH) && (int_daq & Int_DTrg)) { /* start stop of measure */
+ if ((int_adstat & AdStatus_DTH) &&
+ (int_daq & Int_DTrg)) {
+ /* start stop of measure */
if (devpriv->ai12_startstop & START_AI_EXT) {
devpriv->ai12_startstop &=
~START_AI_EXT;
if (!(devpriv->ai12_startstop &
- STOP_AI_EXT))
- pci9118_exttrg_del(dev, EXTTRG_AI); /* deactivate EXT trigger */
- start_pacer(dev, devpriv->ai_do, devpriv->ai_divisor1, devpriv->ai_divisor2); /* start pacer */
+ STOP_AI_EXT))
+ pci9118_exttrg_del
+ (dev, EXTTRG_AI);
+ /* deactivate EXT trigger */
+ start_pacer(dev, devpriv->ai_do,
+ devpriv->ai_divisor1,
+ devpriv->ai_divisor2);
+ /* start pacer */
outl(devpriv->AdControlReg,
- dev->iobase + PCI9118_ADCNTRL);
+ dev->iobase + PCI9118_ADCNTRL);
} else {
if (devpriv->ai12_startstop &
- STOP_AI_EXT) {
+ STOP_AI_EXT) {
devpriv->ai12_startstop &=
- ~STOP_AI_EXT;
- pci9118_exttrg_del(dev, EXTTRG_AI); /* deactivate EXT trigger */
- devpriv->ai_neverending = 0; /* well, on next interrupt from DMA/EOC measure will stop */
+ ~STOP_AI_EXT;
+ pci9118_exttrg_del
+ (dev, EXTTRG_AI);
+ /* deactivate EXT trigger */
+ devpriv->ai_neverending = 0;
+ /*
+ * well, on next interrupt from
+ * DMA/EOC measure will stop
+ */
}
}
}
@@ -821,7 +961,11 @@ static int pci9118_ai_cmdtest(struct comedi_device *dev,
if (err)
return 1;
- /* step 2: make sure trigger sources are unique and mutually compatible */
+ /*
+ * step 2:
+ * make sure trigger sources are
+ * unique and mutually compatible
+ */
if (cmd->start_src != TRIG_NOW &&
cmd->start_src != TRIG_INT && cmd->start_src != TRIG_EXT) {
@@ -1026,7 +1170,7 @@ static int pci9118_ai_cmdtest(struct comedi_device *dev,
if (cmd->chanlist)
if (!check_channel_list(dev, s, cmd->chanlist_len,
cmd->chanlist, 0, 0))
- return 5; /* incorrect channels list */
+ return 5; /* incorrect channels list */
return 0;
}
@@ -1043,88 +1187,101 @@ static int Compute_and_setup_dma(struct comedi_device *dev)
dmalen1 = devpriv->dmabuf_size[1];
DPRINTK("1 dmalen0=%d dmalen1=%d ai_data_len=%d\n", dmalen0, dmalen1,
devpriv->ai_data_len);
- /* isn't output buff smaller that our DMA buff? */
+ /* isn't output buff smaller that our DMA buff? */
if (dmalen0 > (devpriv->ai_data_len)) {
- dmalen0 = devpriv->ai_data_len & ~3L; /* allign to 32bit down */
+ dmalen0 = devpriv->ai_data_len & ~3L; /*
+ * align to 32bit down
+ */
}
if (dmalen1 > (devpriv->ai_data_len)) {
- dmalen1 = devpriv->ai_data_len & ~3L; /* allign to 32bit down */
+ dmalen1 = devpriv->ai_data_len & ~3L; /*
+ * align to 32bit down
+ */
}
DPRINTK("2 dmalen0=%d dmalen1=%d \n", dmalen0, dmalen1);
- /* we want wake up every scan? */
+ /* we want wake up every scan? */
if (devpriv->ai_flags & TRIG_WAKE_EOS) {
if (dmalen0 < (devpriv->ai_n_realscanlen << 1)) {
- /* uff, too short DMA buffer, disable EOS support! */
+ /* uff, too short DMA buffer, disable EOS support! */
devpriv->ai_flags &= (~TRIG_WAKE_EOS);
printk
- ("comedi%d: WAR: DMA0 buf too short, cann't support TRIG_WAKE_EOS (%d<%d)\n",
+ ("comedi%d: WAR: DMA0 buf too short, can't "
+ "support TRIG_WAKE_EOS (%d<%d)\n",
dev->minor, dmalen0,
devpriv->ai_n_realscanlen << 1);
} else {
- /* short first DMA buffer to one scan */
+ /* short first DMA buffer to one scan */
dmalen0 = devpriv->ai_n_realscanlen << 1;
DPRINTK
- ("21 dmalen0=%d ai_n_realscanlen=%d useeoshandle=%d\n",
- dmalen0, devpriv->ai_n_realscanlen,
- devpriv->useeoshandle);
+ ("21 dmalen0=%d ai_n_realscanlen=%d "
+ "useeoshandle=%d\n",
+ dmalen0, devpriv->ai_n_realscanlen,
+ devpriv->useeoshandle);
if (devpriv->useeoshandle)
dmalen0 += 2;
if (dmalen0 < 4) {
printk
- ("comedi%d: ERR: DMA0 buf len bug? (%d<4)\n",
- dev->minor, dmalen0);
+ ("comedi%d: ERR: DMA0 buf len bug? "
+ "(%d<4)\n",
+ dev->minor, dmalen0);
dmalen0 = 4;
}
}
}
if (devpriv->ai_flags & TRIG_WAKE_EOS) {
if (dmalen1 < (devpriv->ai_n_realscanlen << 1)) {
- /* uff, too short DMA buffer, disable EOS support! */
+ /* uff, too short DMA buffer, disable EOS support! */
devpriv->ai_flags &= (~TRIG_WAKE_EOS);
printk
- ("comedi%d: WAR: DMA1 buf too short, cann't support TRIG_WAKE_EOS (%d<%d)\n",
+ ("comedi%d: WAR: DMA1 buf too short, "
+ "can't support TRIG_WAKE_EOS (%d<%d)\n",
dev->minor, dmalen1,
devpriv->ai_n_realscanlen << 1);
} else {
- /* short second DMA buffer to one scan */
+ /* short second DMA buffer to one scan */
dmalen1 = devpriv->ai_n_realscanlen << 1;
DPRINTK
- ("22 dmalen1=%d ai_n_realscanlen=%d useeoshandle=%d\n",
+ ("22 dmalen1=%d ai_n_realscanlen=%d "
+ "useeoshandle=%d\n",
dmalen1, devpriv->ai_n_realscanlen,
devpriv->useeoshandle);
if (devpriv->useeoshandle)
dmalen1 -= 2;
if (dmalen1 < 4) {
printk
- ("comedi%d: ERR: DMA1 buf len bug? (%d<4)\n",
- dev->minor, dmalen1);
+ ("comedi%d: ERR: DMA1 buf len bug? "
+ "(%d<4)\n",
+ dev->minor, dmalen1);
dmalen1 = 4;
}
}
}
DPRINTK("3 dmalen0=%d dmalen1=%d \n", dmalen0, dmalen1);
- /* transfer without TRIG_WAKE_EOS */
+ /* transfer without TRIG_WAKE_EOS */
if (!(devpriv->ai_flags & TRIG_WAKE_EOS)) {
- /* if it's possible then allign DMA buffers to length of scan */
+ /* if it's possible then allign DMA buffers to length of scan */
i = dmalen0;
dmalen0 =
(dmalen0 / (devpriv->ai_n_realscanlen << 1)) *
(devpriv->ai_n_realscanlen << 1);
dmalen0 &= ~3L;
if (!dmalen0)
- dmalen0 = i; /* uff. very long scan? */
+ dmalen0 = i; /* uff. very long scan? */
i = dmalen1;
dmalen1 =
(dmalen1 / (devpriv->ai_n_realscanlen << 1)) *
(devpriv->ai_n_realscanlen << 1);
dmalen1 &= ~3L;
if (!dmalen1)
- dmalen1 = i; /* uff. very long scan? */
- /* if measure isn't neverending then test, if it whole fits into one or two DMA buffers */
+ dmalen1 = i; /* uff. very long scan? */
+ /*
+ * if measure isn't neverending then test, if it fits whole
+ * into one or two DMA buffers
+ */
if (!devpriv->ai_neverending) {
- /* fits whole measure into one DMA buffer? */
+ /* fits whole measure into one DMA buffer? */
if (dmalen0 >
((devpriv->ai_n_realscanlen << 1) *
devpriv->ai_scans)) {
@@ -1138,7 +1295,10 @@ static int Compute_and_setup_dma(struct comedi_device *dev)
DPRINTK("3.1 dmalen0=%d dmalen1=%d \n", dmalen0,
dmalen1);
dmalen0 &= ~3L;
- } else { /* fits whole measure into two DMA buffer? */
+ } else { /*
+ * fits whole measure into
+ * two DMA buffer?
+ */
if (dmalen1 >
((devpriv->ai_n_realscanlen << 1) *
devpriv->ai_scans - dmalen0))
@@ -1154,7 +1314,7 @@ static int Compute_and_setup_dma(struct comedi_device *dev)
DPRINTK("4 dmalen0=%d dmalen1=%d \n", dmalen0, dmalen1);
- /* these DMA buffer size we'll be used */
+ /* these DMA buffer size will be used */
devpriv->dma_actbuf = 0;
devpriv->dmabuf_use_size[0] = dmalen0;
devpriv->dmabuf_use_size[1] = dmalen1;
@@ -1176,10 +1336,11 @@ static int Compute_and_setup_dma(struct comedi_device *dev)
}
#endif
- outl(inl(devpriv->iobase_a + AMCC_OP_REG_MCSR) & (~EN_A2P_TRANSFERS), devpriv->iobase_a + AMCC_OP_REG_MCSR); /* stop DMA */
+ outl(inl(devpriv->iobase_a + AMCC_OP_REG_MCSR) & (~EN_A2P_TRANSFERS),
+ devpriv->iobase_a + AMCC_OP_REG_MCSR); /* stop DMA */
outl(devpriv->dmabuf_hw[0], devpriv->iobase_a + AMCC_OP_REG_MWAR);
outl(devpriv->dmabuf_use_size[0], devpriv->iobase_a + AMCC_OP_REG_MWTC);
- /* init DMA transfer */
+ /* init DMA transfer */
outl(0x00000000 | AINT_WRITE_COMPL,
devpriv->iobase_a + AMCC_OP_REG_INTCSR);
/* outl(0x02000000|AINT_WRITE_COMPL, devpriv->iobase_a+AMCC_OP_REG_INTCSR); */
@@ -1187,7 +1348,9 @@ static int Compute_and_setup_dma(struct comedi_device *dev)
outl(inl(devpriv->iobase_a +
AMCC_OP_REG_MCSR) | RESET_A2P_FLAGS | A2P_HI_PRIORITY |
EN_A2P_TRANSFERS, devpriv->iobase_a + AMCC_OP_REG_MCSR);
- outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | EN_A2P_TRANSFERS, devpriv->iobase_a + AMCC_OP_REG_INTCSR); /* allow bus mastering */
+ outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | EN_A2P_TRANSFERS,
+ devpriv->iobase_a + AMCC_OP_REG_INTCSR);
+ /* allow bus mastering */
DPRINTK("adl_pci9118 EDBG: END: Compute_and_setup_dma()\n");
return 0;
@@ -1220,17 +1383,21 @@ static int pci9118_ai_docmd_sampl(struct comedi_device *dev,
return -EIO;
};
- devpriv->int_ai_func = interrupt_pci9118_ai_onesample; /* transfer function */
+ devpriv->int_ai_func = interrupt_pci9118_ai_onesample;
+ /* transfer function */
if (devpriv->ai12_startstop)
- pci9118_exttrg_add(dev, EXTTRG_AI); /* activate EXT trigger */
+ pci9118_exttrg_add(dev, EXTTRG_AI);
+ /* activate EXT trigger */
if ((devpriv->ai_do == 1) || (devpriv->ai_do == 2))
devpriv->IntControlReg |= Int_Timer;
devpriv->AdControlReg |= AdControl_Int;
- outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | 0x1f00, devpriv->iobase_a + AMCC_OP_REG_INTCSR); /* allow INT in AMCC */
+ outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | 0x1f00,
+ devpriv->iobase_a + AMCC_OP_REG_INTCSR);
+ /* allow INT in AMCC */
if (!(devpriv->ai12_startstop & (START_AI_EXT | START_AI_INT))) {
outl(devpriv->IntControlReg, dev->iobase + PCI9118_INTCTRL);
@@ -1296,10 +1463,12 @@ static int pci9118_ai_docmd_dma(struct comedi_device *dev,
};
if (devpriv->ai12_startstop) {
- pci9118_exttrg_add(dev, EXTTRG_AI); /* activate EXT trigger */
+ pci9118_exttrg_add(dev, EXTTRG_AI);
+ /* activate EXT trigger */
}
- devpriv->int_ai_func = interrupt_pci9118_ai_dma; /* transfer function */
+ devpriv->int_ai_func = interrupt_pci9118_ai_dma;
+ /* transfer function */
outl(0x02000000 | AINT_WRITE_COMPL,
devpriv->iobase_a + AMCC_OP_REG_INTCSR);
@@ -1342,7 +1511,7 @@ static int pci9118_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
devpriv->ai_add_back = 0;
devpriv->ai_maskerr = 0x10e;
- /* prepare for start/stop conditions */
+ /* prepare for start/stop conditions */
if (cmd->start_src == TRIG_EXT)
devpriv->ai12_startstop |= START_AI_EXT;
if (cmd->stop_src == TRIG_EXT) {
@@ -1369,10 +1538,10 @@ static int pci9118_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
devpriv->ai_scans = 0;
}
- /* use sample&hold signal? */
+ /* use sample&hold signal? */
if (cmd->convert_src == TRIG_NOW) {
devpriv->usessh = 1;
- } /* yes */
+ } /* yes */
else {
devpriv->usessh = 0;
} /* no */
@@ -1381,7 +1550,10 @@ static int pci9118_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
devpriv->ai_neverending, devpriv->ai_scans, devpriv->usessh,
devpriv->ai12_startstop);
- /* use additional sample at end of every scan to satisty DMA 32 bit transfer? */
+ /*
+ * use additional sample at end of every scan
+ * to satisty DMA 32 bit transfer?
+ */
devpriv->ai_add_front = 0;
devpriv->ai_add_back = 0;
devpriv->useeoshandle = 0;
@@ -1393,27 +1565,44 @@ static int pci9118_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
devpriv->ai_add_back = 1;
}
if (cmd->convert_src == TRIG_TIMER) {
- devpriv->usedma = 0; /* use INT transfer if scanlist have only one channel */
+ devpriv->usedma = 0;
+ /*
+ * use INT transfer if scanlist
+ * have only one channel
+ */
}
}
if ((cmd->flags & TRIG_WAKE_EOS) &&
(devpriv->ai_n_scanlen & 1) &&
(devpriv->ai_n_scanlen > 1)) {
if (cmd->scan_begin_src == TRIG_FOLLOW) {
- /* vpriv->useeoshandle=1; // change DMA transfer block to fit EOS on every second call */
- devpriv->usedma = 0; /* XXX maybe can be corrected to use 16 bit DMA */
- } else { /* well, we must insert one sample to end of EOS to meet 32 bit transfer */
+ /*
+ * vpriv->useeoshandle=1; // change DMA transfer
+ * block to fit EOS on every second call
+ */
+ devpriv->usedma = 0;
+ /*
+ * XXX maybe can be corrected to use 16 bit DMA
+ */
+ } else { /*
+ * well, we must insert one sample
+ * to end of EOS to meet 32 bit transfer
+ */
devpriv->ai_add_back = 1;
}
}
- } else { /* interrupt transfer don't need any correction */
+ } else { /* interrupt transfer don't need any correction */
devpriv->usedma = 0;
}
- /* we need software S&H signal? It add two samples before every scan as minimum */
+ /*
+ * we need software S&H signal?
+ * It adds two samples before every scan as minimum
+ */
if (devpriv->usessh && devpriv->softsshdelay) {
devpriv->ai_add_front = 2;
- if ((devpriv->usedma == 1) && (devpriv->ai_add_back == 1)) { /* move it to front */
+ if ((devpriv->usedma == 1) && (devpriv->ai_add_back == 1)) {
+ /* move it to front */
devpriv->ai_add_front++;
devpriv->ai_add_back = 0;
}
@@ -1422,17 +1611,22 @@ static int pci9118_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
addchans = devpriv->softsshdelay / cmd->convert_arg;
if (devpriv->softsshdelay % cmd->convert_arg)
addchans++;
- if (addchans > (devpriv->ai_add_front - 1)) { /* uff, still short :-( */
+ if (addchans > (devpriv->ai_add_front - 1)) {
+ /* uff, still short */
devpriv->ai_add_front = addchans + 1;
if (devpriv->usedma == 1)
if ((devpriv->ai_add_front +
devpriv->ai_n_chan +
devpriv->ai_add_back) & 1)
- devpriv->ai_add_front++; /* round up to 32 bit */
+ devpriv->ai_add_front++;
+ /* round up to 32 bit */
}
}
- /* well, we now know what must be all added */
- devpriv->ai_n_realscanlen = /* what we must take from card in real to have ai_n_scanlen on output? */
+ /* well, we now know what must be all added */
+ devpriv->ai_n_realscanlen = /*
+ * what we must take from card in real
+ * to have ai_n_scanlen on output?
+ */
(devpriv->ai_add_front + devpriv->ai_n_chan +
devpriv->ai_add_back) * (devpriv->ai_n_scanlen /
devpriv->ai_n_chan);
@@ -1443,7 +1637,7 @@ static int pci9118_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
devpriv->ai_n_chan, devpriv->ai_add_back,
devpriv->ai_n_scanlen);
- /* check and setup channel list */
+ /* check and setup channel list */
if (!check_channel_list(dev, s, devpriv->ai_n_chan,
devpriv->ai_chanlist, devpriv->ai_add_front,
devpriv->ai_add_back))
@@ -1454,9 +1648,16 @@ static int pci9118_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
devpriv->useeoshandle))
return -EINVAL;
- /* compute timers settings */
- /* simplest way, fr=4Mhz/(tim1*tim2), channel manipulation without timers effect */
- if (((cmd->scan_begin_src == TRIG_FOLLOW) || (cmd->scan_begin_src == TRIG_EXT) || (cmd->scan_begin_src == TRIG_INT)) && (cmd->convert_src == TRIG_TIMER)) { /* both timer is used for one time */
+ /* compute timers settings */
+ /*
+ * simplest way, fr=4Mhz/(tim1*tim2),
+ * channel manipulation without timers effect
+ */
+ if (((cmd->scan_begin_src == TRIG_FOLLOW) ||
+ (cmd->scan_begin_src == TRIG_EXT) ||
+ (cmd->scan_begin_src == TRIG_INT)) &&
+ (cmd->convert_src == TRIG_TIMER)) {
+ /* both timer is used for one time */
if (cmd->scan_begin_src == TRIG_EXT) {
devpriv->ai_do = 4;
} else {
@@ -1472,10 +1673,14 @@ static int pci9118_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
devpriv->ai_timer2 = cmd->convert_arg;
}
- if ((cmd->scan_begin_src == TRIG_TIMER) && ((cmd->convert_src == TRIG_TIMER) || (cmd->convert_src == TRIG_NOW))) { /* double timed action */
+ if ((cmd->scan_begin_src == TRIG_TIMER) &&
+ ((cmd->convert_src == TRIG_TIMER) ||
+ (cmd->convert_src == TRIG_NOW))) {
+ /* double timed action */
if (!devpriv->usedma) {
comedi_error(dev,
- "cmd->scan_begin_src=TRIG_TIMER works only with bus mastering!");
+ "cmd->scan_begin_src=TRIG_TIMER works "
+ "only with bus mastering!");
return -EIO;
}
@@ -1496,15 +1701,27 @@ static int pci9118_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
devpriv->ai_do = 3;
}
- start_pacer(dev, -1, 0, 0); /* stop pacer */
+ start_pacer(dev, -1, 0, 0); /* stop pacer */
- devpriv->AdControlReg = 0; /* bipolar, S.E., use 8254, stop 8354, internal trigger, soft trigger, disable DMA */
+ devpriv->AdControlReg = 0; /*
+ * bipolar, S.E., use 8254, stop 8354,
+ * internal trigger, soft trigger,
+ * disable DMA
+ */
outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL);
- devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg; /* positive triggers, no S&H, no burst, burst stop, no post trigger, no about trigger, trigger stop */
+ devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg;
+ /*
+ * positive triggers, no S&H, no burst,
+ * burst stop, no post trigger,
+ * no about trigger, trigger stop
+ */
outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC);
udelay(1);
- outl(0, dev->iobase + PCI9118_DELFIFO); /* flush FIFO */
- inl(dev->iobase + PCI9118_ADSTAT); /* flush A/D and INT status register */
+ outl(0, dev->iobase + PCI9118_DELFIFO); /* flush FIFO */
+ inl(dev->iobase + PCI9118_ADSTAT); /*
+ * flush A/D and INT
+ * status register
+ */
inl(dev->iobase + PCI9118_INTSRC);
devpriv->ai_act_scan = 0;
@@ -1537,33 +1754,37 @@ static int check_channel_list(struct comedi_device *dev,
}
if ((frontadd + n_chan + backadd) > s->len_chanlist) {
printk
- ("comedi%d: range/channel list is too long for actual configuration (%d>%d)!",
+ ("comedi%d: range/channel list is too long for "
+ "actual configuration (%d>%d)!",
dev->minor, n_chan, s->len_chanlist - frontadd - backadd);
return 0;
}
if (CR_AREF(chanlist[0]) == AREF_DIFF)
- differencial = 1; /* all input must be diff */
+ differencial = 1; /* all input must be diff */
if (CR_RANGE(chanlist[0]) < PCI9118_BIPOLAR_RANGES)
- bipolar = 1; /* all input must be bipolar */
+ bipolar = 1; /* all input must be bipolar */
if (n_chan > 1)
- for (i = 1; i < n_chan; i++) { /* check S.E/diff */
+ for (i = 1; i < n_chan; i++) { /* check S.E/diff */
if ((CR_AREF(chanlist[i]) == AREF_DIFF) !=
(differencial)) {
comedi_error(dev,
- "Differencial and single ended inputs cann't be mixtured!");
+ "Differencial and single ended "
+ "inputs can't be mixtured!");
return 0;
}
if ((CR_RANGE(chanlist[i]) < PCI9118_BIPOLAR_RANGES) !=
(bipolar)) {
comedi_error(dev,
- "Bipolar and unipolar ranges cann't be mixtured!");
+ "Bipolar and unipolar ranges "
+ "can't be mixtured!");
return 0;
}
if ((!devpriv->usemux) & (differencial) &
(CR_CHAN(chanlist[i]) >= this_board->n_aichand)) {
comedi_error(dev,
- "If AREF_DIFF is used then is available only first 8 channels!");
+ "If AREF_DIFF is used then is "
+ "available only first 8 channels!");
return 0;
}
}
@@ -1583,7 +1804,8 @@ static int setup_channel_list(struct comedi_device *dev,
unsigned int scanquad, gain, ssh = 0x00;
DPRINTK
- ("adl_pci9118 EDBG: BGN: setup_channel_list(%d,.,%d,.,%d,%d,%d,%d)\n",
+ ("adl_pci9118 EDBG: BGN: setup_channel_list"
+ "(%d,.,%d,.,%d,%d,%d,%d)\n",
dev->minor, n_chan, rot, frontadd, backadd, usedma);
if (usedma == 1) {
@@ -1592,27 +1814,33 @@ static int setup_channel_list(struct comedi_device *dev,
}
if (CR_AREF(chanlist[0]) == AREF_DIFF)
- differencial = 1; /* all input must be diff */
+ differencial = 1; /* all input must be diff */
if (CR_RANGE(chanlist[0]) < PCI9118_BIPOLAR_RANGES)
- bipolar = 1; /* all input must be bipolar */
+ bipolar = 1; /* all input must be bipolar */
- /* All is ok, so we can setup channel/range list */
+ /* All is ok, so we can setup channel/range list */
if (!bipolar) {
- devpriv->AdControlReg |= AdControl_UniP; /* set unibipolar */
+ devpriv->AdControlReg |= AdControl_UniP;
+ /* set unibipolar */
} else {
- devpriv->AdControlReg &= ((~AdControl_UniP) & 0xff); /* enable bipolar */
+ devpriv->AdControlReg &= ((~AdControl_UniP) & 0xff);
+ /* enable bipolar */
}
if (differencial) {
- devpriv->AdControlReg |= AdControl_Diff; /* enable diff inputs */
+ devpriv->AdControlReg |= AdControl_Diff;
+ /* enable diff inputs */
} else {
- devpriv->AdControlReg &= ((~AdControl_Diff) & 0xff); /* set single ended inputs */
+ devpriv->AdControlReg &= ((~AdControl_Diff) & 0xff);
+ /* set single ended inputs */
}
- outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL); /* setup mode */
+ outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL);
+ /* setup mode */
- outl(2, dev->iobase + PCI9118_SCANMOD); /* gods know why this sequence! */
+ outl(2, dev->iobase + PCI9118_SCANMOD);
+ /* gods know why this sequence! */
outl(0, dev->iobase + PCI9118_SCANMOD);
outl(1, dev->iobase + PCI9118_SCANMOD);
@@ -1622,12 +1850,15 @@ static int setup_channel_list(struct comedi_device *dev,
devpriv->chanlist[i] = 0x55aa;
#endif
- if (frontadd) { /* insert channels for S&H */
+ if (frontadd) { /* insert channels for S&H */
ssh = devpriv->softsshsample;
DPRINTK("FA: %04x: ", ssh);
- for (i = 0; i < frontadd; i++) { /* store range list to card */
- scanquad = CR_CHAN(chanlist[0]); /* get channel number; */
- gain = CR_RANGE(chanlist[0]); /* get gain number */
+ for (i = 0; i < frontadd; i++) {
+ /* store range list to card */
+ scanquad = CR_CHAN(chanlist[0]);
+ /* get channel number; */
+ gain = CR_RANGE(chanlist[0]);
+ /* get gain number */
scanquad |= ((gain & 0x03) << 8);
outl(scanquad | ssh, dev->iobase + PCI9118_GAIN);
DPRINTK("%02x ", scanquad | ssh);
@@ -1637,23 +1868,24 @@ static int setup_channel_list(struct comedi_device *dev,
}
DPRINTK("SL: ", ssh);
- for (i = 0; i < n_chan; i++) { /* store range list to card */
- scanquad = CR_CHAN(chanlist[i]); /* get channel number; */
+ for (i = 0; i < n_chan; i++) { /* store range list to card */
+ scanquad = CR_CHAN(chanlist[i]); /* get channel number */
#ifdef PCI9118_PARANOIDCHECK
devpriv->chanlist[i ^ usedma] = (scanquad & 0xf) << rot;
#endif
- gain = CR_RANGE(chanlist[i]); /* get gain number */
+ gain = CR_RANGE(chanlist[i]); /* get gain number */
scanquad |= ((gain & 0x03) << 8);
outl(scanquad | ssh, dev->iobase + PCI9118_GAIN);
DPRINTK("%02x ", scanquad | ssh);
}
DPRINTK("\n ");
- if (backadd) { /* insert channels for fit onto 32bit DMA */
+ if (backadd) { /* insert channels for fit onto 32bit DMA */
DPRINTK("BA: %04x: ", ssh);
- for (i = 0; i < backadd; i++) { /* store range list to card */
- scanquad = CR_CHAN(chanlist[0]); /* get channel number; */
- gain = CR_RANGE(chanlist[0]); /* get gain number */
+ for (i = 0; i < backadd; i++) { /* store range list to card */
+ scanquad = CR_CHAN(chanlist[0]);
+ /* get channel number */
+ gain = CR_RANGE(chanlist[0]); /* get gain number */
scanquad |= ((gain & 0x03) << 8);
outl(scanquad | ssh, dev->iobase + PCI9118_GAIN);
DPRINTK("%02x ", scanquad | ssh);
@@ -1661,13 +1893,16 @@ static int setup_channel_list(struct comedi_device *dev,
DPRINTK("\n ");
}
#ifdef PCI9118_PARANOIDCHECK
- devpriv->chanlist[n_chan ^ usedma] = devpriv->chanlist[0 ^ usedma]; /* for 32bit oerations */
+ devpriv->chanlist[n_chan ^ usedma] = devpriv->chanlist[0 ^ usedma];
+ /* for 32bit operations */
if (useeos) {
- for (i = 1; i < n_chan; i++) { /* store range list to card */
+ for (i = 1; i < n_chan; i++) { /* store range list to card */
devpriv->chanlist[(n_chan + i) ^ usedma] =
(CR_CHAN(chanlist[i]) & 0xf) << rot;
}
- devpriv->chanlist[(2 * n_chan) ^ usedma] = devpriv->chanlist[0 ^ usedma]; /* for 32bit oerations */
+ devpriv->chanlist[(2 * n_chan) ^ usedma] =
+ devpriv->chanlist[0 ^ usedma];
+ /* for 32bit operations */
useeos = 2;
} else {
useeos = 1;
@@ -1680,11 +1915,11 @@ static int setup_channel_list(struct comedi_device *dev,
DPRINTK("\n ");
#endif
#endif
- outl(0, dev->iobase + PCI9118_SCANMOD); /* close scan queue */
-/* udelay(100); important delay, or first sample will be cripled */
+ outl(0, dev->iobase + PCI9118_SCANMOD); /* close scan queue */
+ /* udelay(100); important delay, or first sample will be crippled */
DPRINTK("adl_pci9118 EDBG: END: setup_channel_list()\n");
- return 1; /* we can serve this with scan logic */
+ return 1; /* we can serve this with scan logic */
}
/*
@@ -1699,7 +1934,8 @@ static void pci9118_calc_divisors(char mode, struct comedi_device *dev,
char usessh, unsigned int chnsshfront)
{
DPRINTK
- ("adl_pci9118 EDBG: BGN: pci9118_calc_divisors(%d,%d,.,%u,%u,%u,%d,.,.,,%u,%u)\n",
+ ("adl_pci9118 EDBG: BGN: pci9118_calc_divisors"
+ "(%d,%d,.,%u,%u,%u,%d,.,.,,%u,%u)\n",
mode, dev->minor, *tim1, *tim2, flags, chans, usessh, chnsshfront);
switch (mode) {
case 1:
@@ -1716,17 +1952,18 @@ static void pci9118_calc_divisors(char mode, struct comedi_device *dev,
*tim2 = this_board->ai_ns_min;
DPRINTK("1 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2,
*tim1, *tim2);
- *div1 = *tim2 / devpriv->i8254_osc_base; /* convert timer (burst) */
+ *div1 = *tim2 / devpriv->i8254_osc_base;
+ /* convert timer (burst) */
DPRINTK("2 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2,
*tim1, *tim2);
if (*div1 < this_board->ai_pacer_min)
*div1 = this_board->ai_pacer_min;
DPRINTK("3 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2,
*tim1, *tim2);
- *div2 = *tim1 / devpriv->i8254_osc_base; /* scan timer */
+ *div2 = *tim1 / devpriv->i8254_osc_base; /* scan timer */
DPRINTK("4 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2,
*tim1, *tim2);
- *div2 = *div2 / *div1; /* major timer is c1*c2 */
+ *div2 = *div2 / *div1; /* major timer is c1*c2 */
DPRINTK("5 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2,
*tim1, *tim2);
if (*div2 < chans)
@@ -1734,9 +1971,10 @@ static void pci9118_calc_divisors(char mode, struct comedi_device *dev,
DPRINTK("6 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2,
*tim1, *tim2);
- *tim2 = *div1 * devpriv->i8254_osc_base; /* real convert timer */
+ *tim2 = *div1 * devpriv->i8254_osc_base;
+ /* real convert timer */
- if (usessh & (chnsshfront == 0)) /* use BSSH signal */
+ if (usessh & (chnsshfront == 0)) /* use BSSH signal */
if (*div2 < (chans + 2))
*div2 = chans + 2;
@@ -1776,11 +2014,13 @@ static void start_pacer(struct comedi_device *dev, int mode,
static int pci9118_exttrg_add(struct comedi_device *dev, unsigned char source)
{
if (source > 3)
- return -1; /* incorrect source */
+ return -1; /* incorrect source */
devpriv->exttrg_users |= (1 << source);
devpriv->IntControlReg |= Int_DTrg;
outl(devpriv->IntControlReg, dev->iobase + PCI9118_INTCTRL);
- outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | 0x1f00, devpriv->iobase_a + AMCC_OP_REG_INTCSR); /* allow INT in AMCC */
+ outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | 0x1f00,
+ devpriv->iobase_a + AMCC_OP_REG_INTCSR);
+ /* allow INT in AMCC */
return 0;
}
@@ -1790,12 +2030,15 @@ static int pci9118_exttrg_add(struct comedi_device *dev, unsigned char source)
static int pci9118_exttrg_del(struct comedi_device *dev, unsigned char source)
{
if (source > 3)
- return -1; /* incorrect source */
+ return -1; /* incorrect source */
devpriv->exttrg_users &= ~(1 << source);
- if (!devpriv->exttrg_users) { /* shutdown ext trg intterrupts */
+ if (!devpriv->exttrg_users) { /* shutdown ext trg intterrupts */
devpriv->IntControlReg &= ~Int_DTrg;
- if (!devpriv->IntControlReg) /* all IRQ disabled */
- outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) & (~0x00001f00), devpriv->iobase_a + AMCC_OP_REG_INTCSR); /* disable int in AMCC */
+ if (!devpriv->IntControlReg) /* all IRQ disabled */
+ outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) &
+ (~0x00001f00),
+ devpriv->iobase_a + AMCC_OP_REG_INTCSR);
+ /* disable int in AMCC */
outl(devpriv->IntControlReg, dev->iobase + PCI9118_INTCTRL);
}
return 0;
@@ -1808,17 +2051,29 @@ static int pci9118_ai_cancel(struct comedi_device *dev,
struct comedi_subdevice *s)
{
if (devpriv->usedma)
- outl(inl(devpriv->iobase_a + AMCC_OP_REG_MCSR) & (~EN_A2P_TRANSFERS), devpriv->iobase_a + AMCC_OP_REG_MCSR); /* stop DMA */
+ outl(inl(devpriv->iobase_a + AMCC_OP_REG_MCSR) &
+ (~EN_A2P_TRANSFERS),
+ devpriv->iobase_a + AMCC_OP_REG_MCSR); /* stop DMA */
pci9118_exttrg_del(dev, EXTTRG_AI);
- start_pacer(dev, 0, 0, 0); /* stop 8254 counters */
+ start_pacer(dev, 0, 0, 0); /* stop 8254 counters */
devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg;
- outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC); /* positive triggers, no S&H, no burst, burst stop, no post trigger, no about trigger, trigger stop */
+ outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC);
+ /*
+ * positive triggers, no S&H, no burst,
+ * burst stop, no post trigger,
+ * no about trigger, trigger stop
+ */
devpriv->AdControlReg = 0x00;
- outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL); /* bipolar, S.E., use 8254, stop 8354, internal trigger, soft trigger, disable INT and DMA */
+ outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL);
+ /*
+ * bipolar, S.E., use 8254, stop 8354,
+ * internal trigger, soft trigger,
+ * disable INT and DMA
+ */
outl(0, dev->iobase + PCI9118_BURST);
outl(1, dev->iobase + PCI9118_SCANMOD);
- outl(2, dev->iobase + PCI9118_SCANMOD); /* reset scan queue */
- outl(0, dev->iobase + PCI9118_DELFIFO); /* flush FIFO */
+ outl(2, dev->iobase + PCI9118_SCANMOD); /* reset scan queue */
+ outl(0, dev->iobase + PCI9118_DELFIFO); /* flush FIFO */
devpriv->ai_do = 0;
devpriv->usedma = 0;
@@ -1832,7 +2087,9 @@ static int pci9118_ai_cancel(struct comedi_device *dev,
devpriv->dma_actbuf = 0;
if (!devpriv->IntControlReg)
- outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | 0x1f00, devpriv->iobase_a + AMCC_OP_REG_INTCSR); /* allow INT in AMCC */
+ outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | 0x1f00,
+ devpriv->iobase_a + AMCC_OP_REG_INTCSR);
+ /* allow INT in AMCC */
return 0;
}
@@ -1845,31 +2102,52 @@ static int pci9118_reset(struct comedi_device *dev)
devpriv->IntControlReg = 0;
devpriv->exttrg_users = 0;
inl(dev->iobase + PCI9118_INTCTRL);
- outl(devpriv->IntControlReg, dev->iobase + PCI9118_INTCTRL); /* disable interrupts source */
+ outl(devpriv->IntControlReg, dev->iobase + PCI9118_INTCTRL);
+ /* disable interrupts source */
outl(0x30, dev->iobase + PCI9118_CNTCTRL);
/* outl(0xb4, dev->iobase + PCI9118_CNTCTRL); */
- start_pacer(dev, 0, 0, 0); /* stop 8254 counters */
+ start_pacer(dev, 0, 0, 0); /* stop 8254 counters */
devpriv->AdControlReg = 0;
- outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL); /* bipolar, S.E., use 8254, stop 8354, internal trigger, soft trigger, disable INT and DMA */
+ outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL);
+ /*
+ * bipolar, S.E., use 8254,
+ * stop 8354, internal trigger,
+ * soft trigger,
+ * disable INT and DMA
+ */
outl(0, dev->iobase + PCI9118_BURST);
outl(1, dev->iobase + PCI9118_SCANMOD);
- outl(2, dev->iobase + PCI9118_SCANMOD); /* reset scan queue */
+ outl(2, dev->iobase + PCI9118_SCANMOD); /* reset scan queue */
devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg;
- outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC); /* positive triggers, no S&H, no burst, burst stop, no post trigger, no about trigger, trigger stop */
+ outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC);
+ /*
+ * positive triggers, no S&H,
+ * no burst, burst stop,
+ * no post trigger,
+ * no about trigger,
+ * trigger stop
+ */
devpriv->ao_data[0] = 2047;
devpriv->ao_data[1] = 2047;
- outl(devpriv->ao_data[0], dev->iobase + PCI9118_DA1); /* reset A/D outs to 0V */
+ outl(devpriv->ao_data[0], dev->iobase + PCI9118_DA1);
+ /* reset A/D outs to 0V */
outl(devpriv->ao_data[1], dev->iobase + PCI9118_DA2);
- outl(0, dev->iobase + PCI9118_DO); /* reset digi outs to L */
+ outl(0, dev->iobase + PCI9118_DO); /* reset digi outs to L */
udelay(10);
inl(dev->iobase + PCI9118_AD_DATA);
- outl(0, dev->iobase + PCI9118_DELFIFO); /* flush FIFO */
- outl(0, dev->iobase + PCI9118_INTSRC); /* remove INT requests */
- inl(dev->iobase + PCI9118_ADSTAT); /* flush A/D status register */
- inl(dev->iobase + PCI9118_INTSRC); /* flush INT requests */
+ outl(0, dev->iobase + PCI9118_DELFIFO); /* flush FIFO */
+ outl(0, dev->iobase + PCI9118_INTSRC); /* remove INT requests */
+ inl(dev->iobase + PCI9118_ADSTAT); /* flush A/D status register */
+ inl(dev->iobase + PCI9118_INTSRC); /* flush INT requests */
devpriv->AdControlReg = 0;
- outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL); /* bipolar, S.E., use 8254, stop 8354, internal trigger, soft trigger, disable INT and DMA */
+ outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL);
+ /*
+ * bipolar, S.E., use 8254,
+ * stop 8354, internal trigger,
+ * soft trigger,
+ * disable INT and DMA
+ */
devpriv->cnt0_users = 0;
devpriv->exttrg_users = 0;
@@ -1899,7 +2177,7 @@ static int pci9118_attach(struct comedi_device *dev,
opt_bus = it->options[0];
opt_slot = it->options[1];
if (it->options[3] & 1) {
- master = 0; /* user don't want use bus master */
+ master = 0; /* user don't want use bus master */
} else {
master = 1;
}
@@ -1968,7 +2246,7 @@ static int pci9118_attach(struct comedi_device *dev,
pci9118_reset(dev);
if (it->options[3] & 2)
- irq = 0; /* user don't want use IRQ */
+ irq = 0; /* user don't want use IRQ */
if (irq > 0) {
if (request_irq(irq, interrupt_pci9118, IRQF_SHARED,
"ADLink PCI-9118", dev)) {
@@ -1984,7 +2262,7 @@ static int pci9118_attach(struct comedi_device *dev,
dev->irq = irq;
- if (master) { /* alloc DMA buffers */
+ if (master) { /* alloc DMA buffers */
devpriv->dma_doublebuf = 0;
for (i = 0; i < 2; i++) {
for (pages = 4; pages >= 0; pages--) {
@@ -2024,16 +2302,18 @@ static int pci9118_attach(struct comedi_device *dev,
if (it->options[2] > 0) {
devpriv->usemux = it->options[2];
if (devpriv->usemux > 256)
- devpriv->usemux = 256; /* max 256 channels! */
+ devpriv->usemux = 256; /* max 256 channels! */
if (it->options[4] > 0)
if (devpriv->usemux > 128) {
- devpriv->usemux = 128; /* max 128 channels with softare S&H! */
+ devpriv->usemux = 128;
+ /* max 128 channels with softare S&H! */
}
printk(", ext. mux %d channels", devpriv->usemux);
}
devpriv->softsshdelay = it->options[4];
- if (devpriv->softsshdelay < 0) { /* select sample&hold signal polarity */
+ if (devpriv->softsshdelay < 0) {
+ /* select sample&hold signal polarity */
devpriv->softsshdelay = -devpriv->softsshdelay;
devpriv->softsshsample = 0x80;
devpriv->softsshhold = 0x00;
@@ -2045,7 +2325,8 @@ static int pci9118_attach(struct comedi_device *dev,
printk(".\n");
pci_read_config_word(devpriv->pcidev, PCI_COMMAND, &u16w);
- pci_write_config_word(devpriv->pcidev, PCI_COMMAND, u16w | 64); /* Enable parity check for parity error */
+ pci_write_config_word(devpriv->pcidev, PCI_COMMAND, u16w | 64);
+ /* Enable parity check for parity error */
ret = alloc_subdevices(dev, 4);
if (ret < 0)
@@ -2103,9 +2384,10 @@ static int pci9118_attach(struct comedi_device *dev,
s->insn_bits = pci9118_insn_bits_do;
devpriv->valid = 1;
- devpriv->i8254_osc_base = 250; /* 250ns=4MHz */
- devpriv->ai_maskharderr = 0x10a; /* default measure crash condition */
- if (it->options[5]) /* disable some requested */
+ devpriv->i8254_osc_base = 250; /* 250ns=4MHz */
+ devpriv->ai_maskharderr = 0x10a;
+ /* default measure crash condition */
+ if (it->options[5]) /* disable some requested */
devpriv->ai_maskharderr &= ~it->options[5];
switch (this_board->ai_maxdata) {
--
1.7.0.3
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