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path: root/drivers/staging/comedi/drivers/ni_atmio16d.c
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Diffstat (limited to 'drivers/staging/comedi/drivers/ni_atmio16d.c')
-rw-r--r--drivers/staging/comedi/drivers/ni_atmio16d.c90
1 files changed, 43 insertions, 47 deletions
diff --git a/drivers/staging/comedi/drivers/ni_atmio16d.c b/drivers/staging/comedi/drivers/ni_atmio16d.c
index 901833d9b772..cf4f241f210a 100644
--- a/drivers/staging/comedi/drivers/ni_atmio16d.c
+++ b/drivers/staging/comedi/drivers/ni_atmio16d.c
@@ -200,8 +200,8 @@ struct atmio16d_private {
enum { dac_2comp, dac_straight } dac0_coding, dac1_coding;
const struct comedi_lrange *ao_range_type_list[2];
unsigned int ao_readback[2];
- unsigned int com_reg_1_state; /* current state of command register 1 */
- unsigned int com_reg_2_state; /* current state of command register 2 */
+ unsigned int com_reg_1_state; /* current state of command register 1 */
+ unsigned int com_reg_2_state; /* current state of command register 2 */
};
static void reset_counters(struct comedi_device *dev)
@@ -279,7 +279,9 @@ static irqreturn_t atmio16d_interrupt(int irq, void *d)
struct comedi_device *dev = d;
struct comedi_subdevice *s = dev->subdevices + 0;
-/* printk("atmio16d_interrupt!\n"); */
+#ifdef DEBUG1
+ printk(KERN_DEBUG "atmio16d_interrupt!\n");
+#endif
comedi_buf_put(s->async, inw(dev->iobase + AD_FIFO_REG));
@@ -293,7 +295,7 @@ static int atmio16d_ai_cmdtest(struct comedi_device *dev,
{
int err = 0, tmp;
#ifdef DEBUG1
- printk("atmio16d_ai_cmdtest\n");
+ printk(KERN_DEBUG "atmio16d_ai_cmdtest\n");
#endif
/* make sure triggers are valid */
tmp = cmd->start_src;
@@ -324,8 +326,8 @@ static int atmio16d_ai_cmdtest(struct comedi_device *dev,
if (err)
return 1;
- /* step 2: make sure trigger sources are unique and mutually compatible */
- /* note that mutual compatiblity is not an issue here */
+ /* step 2: make sure trigger sources are unique & mutually compatible */
+ /* note that mutual compatibility is not an issue here */
if (cmd->scan_begin_src != TRIG_FOLLOW &&
cmd->scan_begin_src != TRIG_EXT &&
cmd->scan_begin_src != TRIG_TIMER)
@@ -397,7 +399,7 @@ static int atmio16d_ai_cmd(struct comedi_device *dev,
unsigned int sample_count, tmp, chan, gain;
int i;
#ifdef DEBUG1
- printk("atmio16d_ai_cmd\n");
+ printk(KERN_DEBUG "atmio16d_ai_cmd\n");
#endif
/* This is slowly becoming a working command interface. *
* It is still uber-experimental */
@@ -436,10 +438,10 @@ static int atmio16d_ai_cmd(struct comedi_device *dev,
} else if (cmd->convert_arg < 655360000) {
base_clock = CLOCK_100_KHZ;
timer = cmd->convert_arg / 10000;
- } else if (cmd->convert_arg <= 0xffffffff /* 6553600000 */ ) {
+ } else if (cmd->convert_arg <= 0xffffffff /* 6553600000 */) {
base_clock = CLOCK_10_KHZ;
timer = cmd->convert_arg / 100000;
- } else if (cmd->convert_arg <= 0xffffffff /* 65536000000 */ ) {
+ } else if (cmd->convert_arg <= 0xffffffff /* 65536000000 */) {
base_clock = CLOCK_1_KHZ;
timer = cmd->convert_arg / 1000000;
}
@@ -504,10 +506,10 @@ static int atmio16d_ai_cmd(struct comedi_device *dev,
} else if (cmd->scan_begin_arg < 655360000) {
base_clock = CLOCK_100_KHZ;
timer = cmd->scan_begin_arg / 10000;
- } else if (cmd->scan_begin_arg < 0xffffffff /* 6553600000 */ ) {
+ } else if (cmd->scan_begin_arg < 0xffffffff /* 6553600000 */) {
base_clock = CLOCK_10_KHZ;
timer = cmd->scan_begin_arg / 100000;
- } else if (cmd->scan_begin_arg < 0xffffffff /* 65536000000 */ ) {
+ } else if (cmd->scan_begin_arg < 0xffffffff /* 65536000000 */) {
base_clock = CLOCK_1_KHZ;
timer = cmd->scan_begin_arg / 1000000;
}
@@ -559,7 +561,7 @@ static int atmio16d_ai_insn_read(struct comedi_device *dev,
int status;
#ifdef DEBUG1
- printk("atmio16d_ai_insn_read\n");
+ printk(KERN_DEBUG "atmio16d_ai_insn_read\n");
#endif
chan = CR_CHAN(insn->chanspec);
gain = CR_RANGE(insn->chanspec);
@@ -580,19 +582,18 @@ static int atmio16d_ai_insn_read(struct comedi_device *dev,
/* check conversion status */
status = inw(dev->iobase + STAT_REG);
#ifdef DEBUG1
- printk("status=%x\n", status);
+ printk(KERN_DEBUG "status=%x\n", status);
#endif
if (status & STAT_AD_CONVAVAIL) {
/* read the data now */
data[i] = inw(dev->iobase + AD_FIFO_REG);
/* change to two's complement if need be */
- if (devpriv->adc_coding == adc_2comp) {
+ if (devpriv->adc_coding == adc_2comp)
data[i] ^= 0x800;
- }
break;
}
if (status & STAT_AD_OVERFLOW) {
- printk("atmio16d: a/d FIFO overflow\n");
+ printk(KERN_INFO "atmio16d: a/d FIFO overflow\n");
outw(0, dev->iobase + AD_CLEAR_REG);
return -ETIME;
@@ -600,7 +601,7 @@ static int atmio16d_ai_insn_read(struct comedi_device *dev,
}
/* end waiting, now check if it timed out */
if (t == ATMIO16D_TIMEOUT) {
- printk("atmio16d: timeout\n");
+ printk(KERN_INFO "atmio16d: timeout\n");
return -ETIME;
}
@@ -615,13 +616,11 @@ static int atmio16d_ao_insn_read(struct comedi_device *dev,
{
int i;
#ifdef DEBUG1
- printk("atmio16d_ao_insn_read\n");
+ printk(KERN_DEBUG "atmio16d_ao_insn_read\n");
#endif
- for (i = 0; i < insn->n; i++) {
+ for (i = 0; i < insn->n; i++)
data[i] = devpriv->ao_readback[CR_CHAN(insn->chanspec)];
- }
-
return i;
}
@@ -633,7 +632,7 @@ static int atmio16d_ao_insn_write(struct comedi_device *dev,
int chan;
int d;
#ifdef DEBUG1
- printk("atmio16d_ao_insn_write\n");
+ printk(KERN_DEBUG "atmio16d_ao_insn_write\n");
#endif
chan = CR_CHAN(insn->chanspec);
@@ -642,15 +641,13 @@ static int atmio16d_ao_insn_write(struct comedi_device *dev,
d = data[i];
switch (chan) {
case 0:
- if (devpriv->dac0_coding == dac_2comp) {
+ if (devpriv->dac0_coding == dac_2comp)
d ^= 0x800;
- }
outw(d, dev->iobase + DAC0_REG);
break;
case 1:
- if (devpriv->dac1_coding == dac_2comp) {
+ if (devpriv->dac1_coding == dac_2comp)
d ^= 0x800;
- }
outw(d, dev->iobase + DAC1_REG);
break;
default:
@@ -705,29 +702,29 @@ static int atmio16d_dio_insn_config(struct comedi_device *dev,
/*
options[0] - I/O port
options[1] - MIO irq
- 0 == no irq
- N == irq N {3,4,5,6,7,9,10,11,12,14,15}
+ 0 == no irq
+ N == irq N {3,4,5,6,7,9,10,11,12,14,15}
options[2] - DIO irq
- 0 == no irq
- N == irq N {3,4,5,6,7,9}
+ 0 == no irq
+ N == irq N {3,4,5,6,7,9}
options[3] - DMA1 channel
- 0 == no DMA
- N == DMA N {5,6,7}
+ 0 == no DMA
+ N == DMA N {5,6,7}
options[4] - DMA2 channel
- 0 == no DMA
- N == DMA N {5,6,7}
+ 0 == no DMA
+ N == DMA N {5,6,7}
options[5] - a/d mux
- 0=differential, 1=single
+ 0=differential, 1=single
options[6] - a/d range
- 0=bipolar10, 1=bipolar5, 2=unipolar10
+ 0=bipolar10, 1=bipolar5, 2=unipolar10
options[7] - dac0 range
- 0=bipolar, 1=unipolar
+ 0=bipolar, 1=unipolar
options[8] - dac0 reference
- 0=internal, 1=external
+ 0=internal, 1=external
options[9] - dac0 coding
- 0=2's comp, 1=straight binary
+ 0=2's comp, 1=straight binary
options[10] - dac1 range
options[11] - dac1 reference
@@ -745,7 +742,7 @@ static int atmio16d_attach(struct comedi_device *dev,
/* make sure the address range is free and allocate it */
iobase = it->options[0];
- printk("comedi%d: atmio16d: 0x%04lx ", dev->minor, iobase);
+ printk(KERN_INFO "comedi%d: atmio16d: 0x%04lx ", dev->minor, iobase);
if (!request_region(iobase, ATMIO16D_SIZE, "ni_atmio16d")) {
printk("I/O port conflict\n");
return -EIO;
@@ -772,13 +769,13 @@ static int atmio16d_attach(struct comedi_device *dev,
ret = request_irq(irq, atmio16d_interrupt, 0, "atmio16d", dev);
if (ret < 0) {
- printk("failed to allocate irq %u\n", irq);
+ printk(KERN_INFO "failed to allocate irq %u\n", irq);
return ret;
}
dev->irq = irq;
- printk("( irq = %u )\n", irq);
+ printk(KERN_INFO "( irq = %u )\n", irq);
} else {
- printk("( no irq )");
+ printk(KERN_INFO "( no irq )");
}
/* set device options */
@@ -855,11 +852,10 @@ static int atmio16d_attach(struct comedi_device *dev,
/* 8255 subdevice */
s++;
- if (boardtype->has_8255) {
+ if (boardtype->has_8255)
subdev_8255_init(dev, s, NULL, dev->iobase);
- } else {
+ else
s->type = COMEDI_SUBD_UNUSED;
- }
/* don't yet know how to deal with counter/timers */
#if 0
@@ -876,7 +872,7 @@ static int atmio16d_attach(struct comedi_device *dev,
static int atmio16d_detach(struct comedi_device *dev)
{
- printk("comedi%d: atmio16d: remove\n", dev->minor);
+ printk(KERN_INFO "comedi%d: atmio16d: remove\n", dev->minor);
if (dev->subdevices && boardtype->has_8255)
subdev_8255_cleanup(dev, dev->subdevices + 3);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.