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path: root/drivers/staging/comedi/drivers/amplc_pc236.c
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Diffstat (limited to 'drivers/staging/comedi/drivers/amplc_pc236.c')
-rw-r--r--drivers/staging/comedi/drivers/amplc_pc236.c85
1 files changed, 47 insertions, 38 deletions
diff --git a/drivers/staging/comedi/drivers/amplc_pc236.c b/drivers/staging/comedi/drivers/amplc_pc236.c
index 7972cadd403e..57ba3228b1a9 100644
--- a/drivers/staging/comedi/drivers/amplc_pc236.c
+++ b/drivers/staging/comedi/drivers/amplc_pc236.c
@@ -63,6 +63,14 @@ unused.
#define PC236_DRIVER_NAME "amplc_pc236"
+#ifdef CONFIG_COMEDI_AMPLC_PC236_ISA_MODULE
+#define CONFIG_COMEDI_AMPLC_PC236_ISA
+#endif
+
+#ifdef CONFIG_COMEDI_AMPLC_PC236_PCI_MODULE
+#define CONFIG_COMEDI_AMPLC_PC236_PCI
+#endif
+
/* PCI236 PCI configuration register information */
#define PCI_VENDOR_ID_AMPLICON 0x14dc
#define PCI_DEVICE_ID_AMPLICON_PCI236 0x0009
@@ -106,13 +114,15 @@ struct pc236_board {
enum pc236_model model;
};
static const struct pc236_board pc236_boards[] = {
+#ifdef CONFIG_COMEDI_AMPLC_PC236_ISA
{
.name = "pc36at",
.fancy_name = "PC36AT",
.bustype = isa_bustype,
.model = pc36at_model,
},
-#ifdef CONFIG_COMEDI_PCI
+#endif
+#ifdef CONFIG_COMEDI_AMPLC_PC236_PCI
{
.name = "pci236",
.fancy_name = "PCI236",
@@ -120,8 +130,6 @@ static const struct pc236_board pc236_boards[] = {
.bustype = pci_bustype,
.model = pci236_model,
},
-#endif
-#ifdef CONFIG_COMEDI_PCI
{
.name = PC236_DRIVER_NAME,
.fancy_name = PC236_DRIVER_NAME,
@@ -132,14 +140,14 @@ static const struct pc236_board pc236_boards[] = {
#endif
};
-#ifdef CONFIG_COMEDI_PCI
+#ifdef CONFIG_COMEDI_AMPLC_PC236_PCI
static DEFINE_PCI_DEVICE_TABLE(pc236_pci_table) = {
{ PCI_DEVICE(PCI_VENDOR_ID_AMPLICON, PCI_DEVICE_ID_AMPLICON_PCI236) },
{0}
};
MODULE_DEVICE_TABLE(pci, pc236_pci_table);
-#endif /* CONFIG_COMEDI_PCI */
+#endif /* CONFIG_COMEDI_AMPLC_PC236_PCI */
/*
* Useful for shorthand access to the particular board structure
@@ -151,7 +159,7 @@ MODULE_DEVICE_TABLE(pci, pc236_pci_table);
feel free to suggest moving the variable to the struct comedi_device struct.
*/
struct pc236_private {
-#ifdef CONFIG_COMEDI_PCI
+#ifdef CONFIG_COMEDI_AMPLC_PC236_PCI
/* PCI device */
struct pci_dev *pci_dev;
unsigned long lcr_iobase; /* PLX PCI9052 config registers in PCIBAR1 */
@@ -168,7 +176,7 @@ struct pc236_private {
* the device code.
*/
static int pc236_attach(struct comedi_device *dev, struct comedi_devconfig *it);
-static int pc236_detach(struct comedi_device *dev);
+static void pc236_detach(struct comedi_device *dev);
static struct comedi_driver driver_amplc_pc236 = {
.driver_name = PC236_DRIVER_NAME,
.module = THIS_MODULE,
@@ -179,12 +187,12 @@ static struct comedi_driver driver_amplc_pc236 = {
.num_names = ARRAY_SIZE(pc236_boards),
};
-#ifdef CONFIG_COMEDI_PCI
+#ifdef CONFIG_COMEDI_AMPLC_PC236_PCI
static int __devinit driver_amplc_pc236_pci_probe(struct pci_dev *dev,
const struct pci_device_id
*ent)
{
- return comedi_pci_auto_config(dev, driver_amplc_pc236.driver_name);
+ return comedi_pci_auto_config(dev, &driver_amplc_pc236);
}
static void __devexit driver_amplc_pc236_pci_remove(struct pci_dev *dev)
@@ -234,8 +242,10 @@ module_init(driver_amplc_pc236_init_module);
module_exit(driver_amplc_pc236_cleanup_module);
#endif
+#ifdef CONFIG_COMEDI_AMPLC_PC236_ISA
static int pc236_request_region(unsigned minor, unsigned long from,
unsigned long extent);
+#endif
static void pc236_intr_disable(struct comedi_device *dev);
static void pc236_intr_enable(struct comedi_device *dev);
static int pc236_intr_check(struct comedi_device *dev);
@@ -255,7 +265,7 @@ static irqreturn_t pc236_interrupt(int irq, void *d);
* This function looks for a PCI device matching the requested board name,
* bus and slot.
*/
-#ifdef CONFIG_COMEDI_PCI
+#ifdef CONFIG_COMEDI_AMPLC_PC236_PCI
static int
pc236_find_pci(struct comedi_device *dev, int bus, int slot,
struct pci_dev **pci_dev_p)
@@ -324,7 +334,7 @@ static int pc236_attach(struct comedi_device *dev, struct comedi_devconfig *it)
struct comedi_subdevice *s;
unsigned long iobase = 0;
unsigned int irq = 0;
-#ifdef CONFIG_COMEDI_PCI
+#ifdef CONFIG_COMEDI_AMPLC_PC236_PCI
struct pci_dev *pci_dev = NULL;
int bus = 0, slot = 0;
#endif
@@ -345,12 +355,14 @@ static int pc236_attach(struct comedi_device *dev, struct comedi_devconfig *it)
}
/* Process options. */
switch (thisboard->bustype) {
+#ifdef CONFIG_COMEDI_AMPLC_PC236_ISA
case isa_bustype:
iobase = it->options[0];
irq = it->options[1];
share_irq = 0;
break;
-#ifdef CONFIG_COMEDI_PCI
+#endif
+#ifdef CONFIG_COMEDI_AMPLC_PC236_PCI
case pci_bustype:
bus = it->options[0];
slot = it->options[1];
@@ -361,7 +373,7 @@ static int pc236_attach(struct comedi_device *dev, struct comedi_devconfig *it)
return ret;
devpriv->pci_dev = pci_dev;
break;
-#endif /* CONFIG_COMEDI_PCI */
+#endif
default:
printk(KERN_ERR
"comedi%d: %s: BUG! cannot determine board type!\n",
@@ -376,7 +388,7 @@ static int pc236_attach(struct comedi_device *dev, struct comedi_devconfig *it)
dev->board_name = thisboard->name;
/* Enable device and reserve I/O spaces. */
-#ifdef CONFIG_COMEDI_PCI
+#ifdef CONFIG_COMEDI_AMPLC_PC236_PCI
if (pci_dev) {
ret = comedi_pci_enable(pci_dev, PC236_DRIVER_NAME);
@@ -392,9 +404,11 @@ static int pc236_attach(struct comedi_device *dev, struct comedi_devconfig *it)
} else
#endif
{
+#ifdef CONFIG_COMEDI_AMPLC_PC236_ISA
ret = pc236_request_region(dev->minor, iobase, PC236_IO_SIZE);
if (ret < 0)
return ret;
+#endif
}
dev->iobase = iobase;
@@ -439,12 +453,19 @@ static int pc236_attach(struct comedi_device *dev, struct comedi_devconfig *it)
}
}
printk(KERN_INFO "comedi%d: %s ", dev->minor, dev->board_name);
- if (thisboard->bustype == isa_bustype) {
+ switch (thisboard->bustype) {
+#ifdef CONFIG_COMEDI_AMPLC_PC236_ISA
+ case isa_bustype:
printk("(base %#lx) ", iobase);
- } else {
-#ifdef CONFIG_COMEDI_PCI
+ break;
+#endif
+#ifdef CONFIG_COMEDI_AMPLC_PC236_PCI
+ case pci_bustype:
printk("(pci %s) ", pci_name(pci_dev));
+ break;
#endif
+ default:
+ break;
}
if (irq)
printk("(irq %u%s) ", irq, (dev->irq ? "" : " UNAVAILABLE"));
@@ -456,27 +477,16 @@ static int pc236_attach(struct comedi_device *dev, struct comedi_devconfig *it)
return 1;
}
-/*
- * _detach is called to deconfigure a device. It should deallocate
- * resources.
- * This function is also called when _attach() fails, so it should be
- * careful not to release resources that were not necessarily
- * allocated by _attach(). dev->private and dev->subdevices are
- * deallocated automatically by the core.
- */
-static int pc236_detach(struct comedi_device *dev)
+static void pc236_detach(struct comedi_device *dev)
{
- printk(KERN_DEBUG "comedi%d: %s: detach\n", dev->minor,
- PC236_DRIVER_NAME);
if (devpriv)
pc236_intr_disable(dev);
-
if (dev->irq)
free_irq(dev->irq, dev);
if (dev->subdevices)
subdev_8255_cleanup(dev, dev->subdevices + 0);
if (devpriv) {
-#ifdef CONFIG_COMEDI_PCI
+#ifdef CONFIG_COMEDI_AMPLC_PC236_PCI
if (devpriv->pci_dev) {
if (dev->iobase)
comedi_pci_disable(devpriv->pci_dev);
@@ -484,21 +494,19 @@ static int pc236_detach(struct comedi_device *dev)
} else
#endif
{
+#ifdef CONFIG_COMEDI_AMPLC_PC236_ISA
if (dev->iobase)
release_region(dev->iobase, PC236_IO_SIZE);
+#endif
}
}
- if (dev->board_name) {
- printk(KERN_INFO "comedi%d: %s removed\n",
- dev->minor, dev->board_name);
- }
- return 0;
}
/*
* This function checks and requests an I/O region, reporting an error
* if there is a conflict.
*/
+#ifdef CONFIG_COMEDI_AMPLC_PC236_ISA
static int pc236_request_region(unsigned minor, unsigned long from,
unsigned long extent)
{
@@ -509,6 +517,7 @@ static int pc236_request_region(unsigned minor, unsigned long from,
}
return 0;
}
+#endif
/*
* This function is called to mark the interrupt as disabled (no command
@@ -521,7 +530,7 @@ static void pc236_intr_disable(struct comedi_device *dev)
spin_lock_irqsave(&dev->spinlock, flags);
devpriv->enable_irq = 0;
-#ifdef CONFIG_COMEDI_PCI
+#ifdef CONFIG_COMEDI_AMPLC_PC236_PCI
if (devpriv->lcr_iobase)
outl(PCI236_INTR_DISABLE, devpriv->lcr_iobase + PLX9052_INTCSR);
#endif
@@ -539,7 +548,7 @@ static void pc236_intr_enable(struct comedi_device *dev)
spin_lock_irqsave(&dev->spinlock, flags);
devpriv->enable_irq = 1;
-#ifdef CONFIG_COMEDI_PCI
+#ifdef CONFIG_COMEDI_AMPLC_PC236_PCI
if (devpriv->lcr_iobase)
outl(PCI236_INTR_ENABLE, devpriv->lcr_iobase + PLX9052_INTCSR);
#endif
@@ -561,7 +570,7 @@ static int pc236_intr_check(struct comedi_device *dev)
spin_lock_irqsave(&dev->spinlock, flags);
if (devpriv->enable_irq) {
retval = 1;
-#ifdef CONFIG_COMEDI_PCI
+#ifdef CONFIG_COMEDI_AMPLC_PC236_PCI
if (devpriv->lcr_iobase) {
if ((inl(devpriv->lcr_iobase + PLX9052_INTCSR)
& PLX9052_INTCSR_LI1STAT_MASK)
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.