SUBDEVICES
- PC218E PC212E PC215E/PCI215
- ------------- ------------- -------------
+ PC218E PC212E PC215E/PCI215
+ ------------- ------------- -------------
Subdevices 7 6 5
0 CTR-X1 PPI-X PPI-X
1 CTR-X2 CTR-Y1 PPI-Y
5 CTR-Z2 INTERRUPT
6 INTERRUPT
- PC214E PC272E/PCI272
- ------------- -------------
+ PC214E PC272E/PCI272
+ ------------- -------------
Subdevices 4 4
0 PPI-X PPI-X
1 PPI-Y PPI-Y
0 to 7 as follows:
0. CLK n, the counter channel's dedicated CLK input from the SK1
- connector. (N.B. for other values, the counter channel's CLKn
- pin on the SK1 connector is an output!)
+ connector. (N.B. for other values, the counter channel's CLKn
+ pin on the SK1 connector is an output!)
1. Internal 10 MHz clock.
2. Internal 1 MHz clock.
3. Internal 100 kHz clock.
5. Internal 1 kHz clock.
6. OUT n-1, the output of counter channel n-1 (see note 1 below).
7. Ext Clock, the counter chip's dedicated Ext Clock input from
- the SK1 connector. This pin is shared by all three counter
- channels on the chip.
+ the SK1 connector. This pin is shared by all three counter
+ channels on the chip.
INSN_CONFIG_GET_CLOCK_SRC. Returns the counter channel's current
clock source in data[1]. For internal clock sources, data[2] is set
0. VCC (internal +5V d.c.), i.e. gate permanently enabled.
1. GND (internal 0V d.c.), i.e. gate permanently disabled.
2. GAT n, the counter channel's dedicated GAT input from the SK1
- connector. (N.B. for other values, the counter channel's GATn
- pin on the SK1 connector is an output!)
+ connector. (N.B. for other values, the counter channel's GATn
+ pin on the SK1 connector is an output!)
3. /OUT n-2, the inverted output of counter channel n-2 (see note
- 2 below).
+ 2 below).
4. Reserved.
5. Reserved.
6. Reserved.
INTERRUPT SOURCES
- PC218E PC212E PC215E/PCI215
- ------------- ------------- -------------
+ PC218E PC212E PC215E/PCI215
+ ------------- ------------- -------------
Sources 6 6 6
0 CTR-X1-OUT PPI-X-C0 PPI-X-C0
1 CTR-X2-OUT PPI-X-C3 PPI-X-C3
4 CTR-Z1-OUT CTR-Z1-OUT CTR-Z1-OUT
5 CTR-Z2-OUT CTR-Z2-OUT CTR-Z2-OUT
- PC214E PC272E/PCI272
- ------------- -------------
+ PC214E PC272E/PCI272
+ ------------- -------------
Sources 1 6
0 JUMPER-J5 PPI-X-C0
1 PPI-X-C3
* Useful for shorthand access to the particular board structure
*/
#define thisboard ((const struct dio200_board *)dev->board_ptr)
-#define thislayout (&dio200_layouts[((struct dio200_board *)dev->board_ptr)->layout])
+#define thislayout (&dio200_layouts[((struct dio200_board *) \
+ dev->board_ptr)->layout])
/* this structure is for data unique to this hardware driver. If
several hardware drivers keep similar information in this structure,
- feel free to suggest moving the variable to the struct comedi_device struct. */
+ feel free to suggest moving the variable to the struct comedi_device struct.
+ */
struct dio200_private {
#ifdef CONFIG_COMEDI_PCI
struct pci_dev *pci_dev; /* PCI device */
subpriv->active = 0;
subpriv->enabled_isns = 0;
- if (subpriv->has_int_sce) {
+ if (subpriv->has_int_sce)
outb(0, subpriv->iobase);
- }
}
/*
/* Determine interrupt sources to enable. */
isn_bits = 0;
if (cmd->chanlist) {
- for (n = 0; n < cmd->chanlist_len; n++) {
+ for (n = 0; n < cmd->chanlist_len; n++)
isn_bits |= (1U << CR_CHAN(cmd->chanlist[n]));
- }
}
isn_bits &= subpriv->valid_isns;
/* Enable interrupt sources. */
subpriv->enabled_isns = isn_bits;
- if (subpriv->has_int_sce) {
+ if (subpriv->has_int_sce)
outb(isn_bits, subpriv->iobase);
- }
}
return retval;
spin_lock_irqsave(&subpriv->spinlock, flags);
s->async->inttrig = 0;
- if (subpriv->active) {
+ if (subpriv->active)
event = dio200_start_intr(dev, s);
- }
+
spin_unlock_irqrestore(&subpriv->spinlock, flags);
- if (event) {
+ if (event)
comedi_event(dev, s);
- }
return 1;
}
* Reenable them NOW to minimize the time they are disabled.
*/
cur_enabled = subpriv->enabled_isns;
- if (subpriv->has_int_sce) {
+ if (subpriv->has_int_sce)
outb(cur_enabled, subpriv->iobase);
- }
if (subpriv->active) {
/*
len = s->async->cmd.chanlist_len;
for (n = 0; n < len; n++) {
ch = CR_CHAN(s->async->cmd.chanlist[n]);
- if (triggered & (1U << ch)) {
+ if (triggered & (1U << ch))
val |= (1U << n);
- }
}
/* Write the scan to the buffer. */
if (comedi_buf_put(s->async, val)) {
}
spin_unlock_irqrestore(&subpriv->spinlock, flags);
- if (oldevents != s->async->events) {
+ if (oldevents != s->async->events)
comedi_event(dev, s);
- }
return (triggered != 0);
}
unsigned long flags;
spin_lock_irqsave(&subpriv->spinlock, flags);
- if (subpriv->active) {
+ if (subpriv->active)
dio200_stop_intr(dev, s);
- }
+
spin_unlock_irqrestore(&subpriv->spinlock, flags);
return 0;
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 */
/* these tests are true if more than one _src bit is set */
if ((cmd->start_src & (cmd->start_src - 1)) != 0)
}
spin_unlock_irqrestore(&subpriv->spinlock, flags);
- if (event) {
+ if (event)
comedi_event(dev, s);
- }
return 0;
}
subpriv->valid_isns = valid_isns;
spin_lock_init(&subpriv->spinlock);
- if (has_int_sce) {
+ if (has_int_sce)
outb(0, subpriv->iobase); /* Disable interrupt sources. */
- }
s->private = subpriv;
s->type = COMEDI_SUBD_DI;
struct comedi_subdevice *s)
{
struct dio200_subdev_intr *subpriv = s->private;
-
- if (subpriv) {
- kfree(subpriv);
- }
+ kfree(subpriv);
}
/*
struct comedi_device *dev = d;
int handled;
- if (!dev->attached) {
+ if (!dev->attached)
return IRQ_NONE;
- }
if (devpriv->intr_sd >= 0) {
handled = dio200_handle_read_intr(dev,
struct comedi_subdevice *s)
{
struct dio200_subdev_intr *subpriv = s->private;
-
- if (subpriv) {
- kfree(subpriv);
- }
+ kfree(subpriv);
}
/*
#endif
{
ret = dio200_request_region(dev->minor, iobase, DIO200_IO_SIZE);
- if (ret < 0) {
+ if (ret < 0)
return ret;
- }
}
dev->iobase = iobase;
ret = dio200_subdev_8254_init(dev, s, iobase,
layout->sdinfo[n],
layout->has_clk_gat_sce);
- if (ret < 0) {
+ if (ret < 0)
return ret;
- }
+
break;
case sd_8255:
/* digital i/o subdevice (8255) */
ret = subdev_8255_init(dev, s, 0,
iobase + layout->sdinfo[n]);
- if (ret < 0) {
+ if (ret < 0)
return ret;
- }
+
break;
case sd_intr:
/* 'INTERRUPT' subdevice */
layout->sdinfo[n],
layout->
has_int_sce);
- if (ret < 0) {
+ if (ret < 0)
return ret;
- }
+
devpriv->intr_sd = n;
} else {
s->type = COMEDI_SUBD_UNUSED;
}
sdx = devpriv->intr_sd;
- if (sdx >= 0 && sdx < dev->n_subdevices) {
+ if (sdx >= 0 && sdx < dev->n_subdevices)
dev->read_subdev = &dev->subdevices[sdx];
- }
dev->board_name = thisboard->name;
printk("(pci %s) ", pci_name(pci_dev));
#endif
}
- if (irq) {
+ if (irq)
printk("(irq %u%s) ", irq, (dev->irq ? "" : " UNAVAILABLE"));
- } else {
+ else
printk("(no irq) ");
- }
printk("attached\n");
printk(KERN_DEBUG "comedi%d: %s: detach\n", dev->minor,
DIO200_DRIVER_NAME);
- if (dev->irq) {
+ if (dev->irq)
free_irq(dev->irq, dev);
- }
if (dev->subdevices) {
layout = thislayout;
for (n = 0; n < dev->n_subdevices; n++) {
if (devpriv) {
#ifdef CONFIG_COMEDI_PCI
if (devpriv->pci_dev) {
- if (dev->iobase) {
+ if (dev->iobase)
comedi_pci_disable(devpriv->pci_dev);
- }
pci_dev_put(devpriv->pci_dev);
} else
#endif
{
- if (dev->iobase) {
+ if (dev->iobase)
release_region(dev->iobase, DIO200_IO_SIZE);
- }
}
}
- if (dev->board_name) {
+ if (dev->board_name)
printk(KERN_INFO "comedi%d: %s removed\n",
dev->minor, dev->board_name);
- }
return 0;
}
projects / firefly-linux-kernel-4.4.55.git / commitdiff