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path: root/drivers/staging/comedi/drivers/c6xdigio.c
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Diffstat (limited to 'drivers/staging/comedi/drivers/c6xdigio.c')
-rw-r--r--drivers/staging/comedi/drivers/c6xdigio.c140
1 files changed, 69 insertions, 71 deletions
diff --git a/drivers/staging/comedi/drivers/c6xdigio.c b/drivers/staging/comedi/drivers/c6xdigio.c
index 2efffb14610..b204793040e 100644
--- a/drivers/staging/comedi/drivers/c6xdigio.c
+++ b/drivers/staging/comedi/drivers/c6xdigio.c
@@ -77,7 +77,7 @@ struct pwmbitstype {
unsigned sb4:2;
};
union pwmcmdtype {
- unsigned cmd; // assuming here that int is 32bit
+ unsigned cmd; /* assuming here that int is 32bit */
struct pwmbitstype bits;
};
struct encbitstype {
@@ -97,20 +97,20 @@ union encvaluetype {
#define C6XDIGIO_TIME_OUT 20
-static int c6xdigio_attach(struct comedi_device * dev, struct comedi_devconfig * it);
-static int c6xdigio_detach(struct comedi_device * dev);
+static int c6xdigio_attach(struct comedi_device *dev, struct comedi_devconfig *it);
+static int c6xdigio_detach(struct comedi_device *dev);
struct comedi_driver driver_c6xdigio = {
- driver_name:"c6xdigio",
- module:THIS_MODULE,
- attach:c6xdigio_attach,
- detach:c6xdigio_detach,
+ .driver_name = "c6xdigio",
+ .module = THIS_MODULE,
+ .attach = c6xdigio_attach,
+ .detach = c6xdigio_detach,
};
static void C6X_pwmInit(unsigned long baseAddr)
{
int timeout = 0;
-//printk("Inside C6X_pwmInit\n");
+/* printk("Inside C6X_pwmInit\n"); */
WriteByteToHwPort(baseAddr, 0x70);
while (((ReadByteFromHwPort(baseAddr + 1) & 0x80) == 0)
@@ -148,7 +148,7 @@ static void C6X_pwmOutput(unsigned long baseAddr, unsigned channel, int value)
int timeout = 0;
unsigned tmp;
- //printk("Inside C6X_pwmOutput\n");
+ /* printk("Inside C6X_pwmOutput\n"); */
pwm.cmd = value;
if (pwm.cmd > 498)
@@ -158,7 +158,7 @@ static void C6X_pwmOutput(unsigned long baseAddr, unsigned channel, int value)
if (channel == 0) {
ppcmd = 0x28;
- } else { // if channel == 1
+ } else { /* if channel == 1 */
ppcmd = 0x30;
} /* endif */
@@ -216,7 +216,7 @@ static int C6X_encInput(unsigned long baseAddr, unsigned channel)
int timeout = 0;
int tmp;
- //printk("Inside C6X_encInput\n");
+ /* printk("Inside C6X_encInput\n"); */
enc.value = 0;
if (channel == 0) {
@@ -304,14 +304,14 @@ static int C6X_encInput(unsigned long baseAddr, unsigned channel)
timeout++;
}
- return (enc.value ^ 0x800000);
+ return enc.value ^ 0x800000;
}
static void C6X_encResetAll(unsigned long baseAddr)
{
unsigned timeout = 0;
-//printk("Inside C6X_encResetAll\n");
+/* printk("Inside C6X_encResetAll\n"); */
WriteByteToHwPort(baseAddr, 0x68);
while (((ReadByteFromHwPort(baseAddr + 1) & 0x80) == 0)
@@ -338,20 +338,20 @@ static void C6X_encResetAll(unsigned long baseAddr)
}
}
-static int c6xdigio_pwmo_insn_read(struct comedi_device * dev,
- struct comedi_subdevice * s, struct comedi_insn * insn, unsigned int * data)
+static int c6xdigio_pwmo_insn_read(struct comedi_device *dev,
+ struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
{
printk("c6xdigio_pwmo_insn_read %x\n", insn->n);
return insn->n;
}
-static int c6xdigio_pwmo_insn_write(struct comedi_device * dev,
- struct comedi_subdevice * s, struct comedi_insn * insn, unsigned int * data)
+static int c6xdigio_pwmo_insn_write(struct comedi_device *dev,
+ struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
{
int i;
int chan = CR_CHAN(insn->chanspec);
- // printk("c6xdigio_pwmo_insn_write %x\n", insn->n);
+ /* printk("c6xdigio_pwmo_insn_write %x\n", insn->n); */
for (i = 0; i < insn->n; i++) {
C6X_pwmOutput(dev->iobase, chan, data[i]);
/* devpriv->ao_readback[chan] = data[i]; */
@@ -359,32 +359,30 @@ static int c6xdigio_pwmo_insn_write(struct comedi_device * dev,
return i;
}
-//static int c6xdigio_ei_init_insn_read(struct comedi_device *dev,
-// struct comedi_subdevice *s,
-// struct comedi_insn *insn,
-// unsigned int *data)
-//{
-// printk("c6xdigio_ei_init_insn_read %x\n", insn->n);
-// return insn->n;
-//}
-
-//static int c6xdigio_ei_init_insn_write(struct comedi_device *dev,
-// struct comedi_subdevice *s,
-// struct comedi_insn *insn,
-// unsigned int *data)
-//{
-// int i;
-// int chan = CR_CHAN(insn->chanspec);
-//
-// C6X_encResetAll( dev->iobase );
-//
-// return insn->n;
-//}
-
-static int c6xdigio_ei_insn_read(struct comedi_device * dev,
- struct comedi_subdevice * s, struct comedi_insn * insn, unsigned int * data)
+/* static int c6xdigio_ei_init_insn_read(struct comedi_device *dev, */
+/* struct comedi_subdevice *s, */
+/* struct comedi_insn *insn, */
+/* unsigned int *data) */
+/* { */
+/* printk("c6xdigio_ei_init_insn_read %x\n", insn->n); */
+/* return insn->n; */
+/* } */
+
+/* static int c6xdigio_ei_init_insn_write(struct comedi_device *dev, */
+/* struct comedi_subdevice *s, */
+/* struct comedi_insn *insn, */
+/* unsigned int *data) */
+/* { */
+/* int i; */
+/* int chan = CR_CHAN(insn->chanspec); */
+/* *//* C6X_encResetAll( dev->iobase ); */
+/* *//* return insn->n; */
+/* } */
+
+static int c6xdigio_ei_insn_read(struct comedi_device *dev,
+ struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
{
- // printk("c6xdigio_ei__insn_read %x\n", insn->n);
+ /* printk("c6xdigio_ei__insn_read %x\n", insn->n); */
int n;
int chan = CR_CHAN(insn->chanspec);
@@ -395,19 +393,19 @@ static int c6xdigio_ei_insn_read(struct comedi_device * dev,
return n;
}
-static void board_init(struct comedi_device * dev)
+static void board_init(struct comedi_device *dev)
{
- //printk("Inside board_init\n");
+ /* printk("Inside board_init\n"); */
C6X_pwmInit(dev->iobase);
C6X_encResetAll(dev->iobase);
}
-//static void board_halt(struct comedi_device *dev) {
-// C6X_pwmInit(dev->iobase);
-//}
+/* static void board_halt(struct comedi_device *dev) { */
+/* C6X_pwmInit(dev->iobase); */
+/* } */
/*
options[0] - I/O port
@@ -417,9 +415,9 @@ static void board_init(struct comedi_device * dev)
static const struct pnp_device_id c6xdigio_pnp_tbl[] = {
/* Standard LPT Printer Port */
- {.id = "PNP0400",.driver_data = 0},
+ {.id = "PNP0400", .driver_data = 0},
/* ECP Printer Port */
- {.id = "PNP0401",.driver_data = 0},
+ {.id = "PNP0401", .driver_data = 0},
{}
};
@@ -428,7 +426,7 @@ static struct pnp_driver c6xdigio_pnp_driver = {
.id_table = c6xdigio_pnp_tbl,
};
-static int c6xdigio_attach(struct comedi_device * dev, struct comedi_devconfig * it)
+static int c6xdigio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
int result = 0;
unsigned long iobase;
@@ -444,11 +442,11 @@ static int c6xdigio_attach(struct comedi_device * dev, struct comedi_devconfig *
dev->iobase = iobase;
dev->board_name = "c6xdigio";
- result = alloc_subdevices(dev, 2); // 3 with encoder_init write
+ result = alloc_subdevices(dev, 2); /* 3 with encoder_init write */
if (result < 0)
return result;
- // Make sure that PnP ports gets activated
+ /* Make sure that PnP ports gets activated */
pnp_register_driver(&c6xdigio_pnp_driver);
irq = it->options[1];
@@ -460,14 +458,14 @@ static int c6xdigio_attach(struct comedi_device * dev, struct comedi_devconfig *
s = dev->subdevices + 0;
/* pwm output subdevice */
- s->type = COMEDI_SUBD_AO; // Not sure what to put here
+ s->type = COMEDI_SUBD_AO; /* Not sure what to put here */
s->subdev_flags = SDF_WRITEABLE;
s->n_chan = 2;
/* s->trig[0] = c6xdigio_pwmo; */
s->insn_read = c6xdigio_pwmo_insn_read;
s->insn_write = c6xdigio_pwmo_insn_write;
s->maxdata = 500;
- s->range_table = &range_bipolar10; // A suitable lie
+ s->range_table = &range_bipolar10; /* A suitable lie */
s = dev->subdevices + 1;
/* encoder (counter) subdevice */
@@ -479,27 +477,27 @@ static int c6xdigio_attach(struct comedi_device * dev, struct comedi_devconfig *
s->maxdata = 0xffffff;
s->range_table = &range_unknown;
- // s = dev->subdevices + 2;
- // /* pwm output subdevice */
- // s->type = COMEDI_SUBD_COUNTER; // Not sure what to put here
- // s->subdev_flags = SDF_WRITEABLE;
- // s->n_chan = 1;
- // /* s->trig[0] = c6xdigio_ei_init; */
- // s->insn_read = c6xdigio_ei_init_insn_read;
- // s->insn_write = c6xdigio_ei_init_insn_write;
- // s->maxdata = 0xFFFF; // Really just a don't care
- // s->range_table = &range_unknown; // Not sure what to put here
-
- // I will call this init anyway but more than likely the DSP board will not be connect
- // when device driver is loaded.
+ /* s = dev->subdevices + 2; */
+ /* pwm output subdevice */
+ /* s->type = COMEDI_SUBD_COUNTER; // Not sure what to put here */
+ /* s->subdev_flags = SDF_WRITEABLE; */
+ /* s->n_chan = 1; */
+ /* s->trig[0] = c6xdigio_ei_init; */
+ /* s->insn_read = c6xdigio_ei_init_insn_read; */
+ /* s->insn_write = c6xdigio_ei_init_insn_write; */
+ /* s->maxdata = 0xFFFF; // Really just a don't care */
+ /* s->range_table = &range_unknown; // Not sure what to put here */
+
+ /* I will call this init anyway but more than likely the DSP board will not be connect */
+ /* when device driver is loaded. */
board_init(dev);
return 0;
}
-static int c6xdigio_detach(struct comedi_device * dev)
+static int c6xdigio_detach(struct comedi_device *dev)
{
-// board_halt(dev); // may not need this
+/* board_halt(dev); may not need this */
printk("comedi%d: c6xdigio: remove\n", dev->minor);
@@ -508,7 +506,7 @@ static int c6xdigio_detach(struct comedi_device * dev)
}
if (dev->irq) {
free_irq(dev->irq, dev);
- } // Not using IRQ so I am not sure if I need this
+ } /* Not using IRQ so I am not sure if I need this */
pnp_unregister_driver(&c6xdigio_pnp_driver);
return 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-24 10:03:45 +0000