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path: root/drivers/staging/comedi/drivers/ni_65xx.c
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Diffstat (limited to 'drivers/staging/comedi/drivers/ni_65xx.c')
-rw-r--r--drivers/staging/comedi/drivers/ni_65xx.c181
1 files changed, 63 insertions, 118 deletions
diff --git a/drivers/staging/comedi/drivers/ni_65xx.c b/drivers/staging/comedi/drivers/ni_65xx.c
index bce39f1ea36d..2a73ff57a2fb 100644
--- a/drivers/staging/comedi/drivers/ni_65xx.c
+++ b/drivers/staging/comedi/drivers/ni_65xx.c
@@ -55,6 +55,7 @@ except maybe the 6514.
#include <linux/slab.h>
#include "../comedidev.h"
+#include "comedi_fc.h"
#include "mite.h"
#define NI6514_DIO_SIZE 4096
@@ -109,18 +110,7 @@ static inline unsigned Filter_Enable(unsigned port)
#define OverflowIntEnable 0x02
#define EdgeIntEnable 0x01
-static int ni_65xx_attach(struct comedi_device *dev,
- struct comedi_devconfig *it);
-static void ni_65xx_detach(struct comedi_device *dev);
-static struct comedi_driver driver_ni_65xx = {
- .driver_name = "ni_65xx",
- .module = THIS_MODULE,
- .attach = ni_65xx_attach,
- .detach = ni_65xx_detach,
-};
-
struct ni_65xx_board {
-
int dev_id;
const char *name;
unsigned num_dio_ports;
@@ -325,8 +315,6 @@ static struct ni_65xx_subdevice_private *ni_65xx_alloc_subdevice_private(void)
return subdev_private;
}
-static int ni_65xx_find_device(struct comedi_device *dev, int bus, int slot);
-
static int ni_65xx_config_filter(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
@@ -453,11 +441,9 @@ static int ni_65xx_dio_insn_bits(struct comedi_device *dev,
writeb(bits,
private(dev)->mite->daq_io_addr +
Port_Data(port));
-/* printk("wrote 0x%x to port %i\n", bits, port); */
}
port_read_bits =
readb(private(dev)->mite->daq_io_addr + Port_Data(port));
-/* printk("read 0x%x from port %i\n", port_read_bits, port); */
if (s->type == COMEDI_SUBD_DO && board(dev)->invert_outputs) {
/* Outputs inverted, so invert value read back from
* DO subdevice. (Does not apply to boards with DIO
@@ -478,7 +464,7 @@ static int ni_65xx_dio_insn_bits(struct comedi_device *dev,
static irqreturn_t ni_65xx_interrupt(int irq, void *d)
{
struct comedi_device *dev = d;
- struct comedi_subdevice *s = dev->subdevices + 2;
+ struct comedi_subdevice *s = &dev->subdevices[2];
unsigned int status;
status = readb(private(dev)->mite->daq_io_addr + Change_Status);
@@ -501,40 +487,20 @@ static int ni_65xx_intr_cmdtest(struct comedi_device *dev,
struct comedi_cmd *cmd)
{
int err = 0;
- int tmp;
-
- /* step 1: make sure trigger sources are trivially valid */
-
- tmp = cmd->start_src;
- cmd->start_src &= TRIG_NOW;
- if (!cmd->start_src || tmp != cmd->start_src)
- err++;
-
- tmp = cmd->scan_begin_src;
- cmd->scan_begin_src &= TRIG_OTHER;
- if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src)
- err++;
- tmp = cmd->convert_src;
- cmd->convert_src &= TRIG_FOLLOW;
- if (!cmd->convert_src || tmp != cmd->convert_src)
- err++;
-
- tmp = cmd->scan_end_src;
- cmd->scan_end_src &= TRIG_COUNT;
- if (!cmd->scan_end_src || tmp != cmd->scan_end_src)
- err++;
+ /* Step 1 : check if triggers are trivially valid */
- tmp = cmd->stop_src;
- cmd->stop_src &= TRIG_COUNT;
- if (!cmd->stop_src || tmp != cmd->stop_src)
- err++;
+ err |= cfc_check_trigger_src(&cmd->start_src, TRIG_NOW);
+ err |= cfc_check_trigger_src(&cmd->scan_begin_src, TRIG_OTHER);
+ err |= cfc_check_trigger_src(&cmd->convert_src, TRIG_FOLLOW);
+ err |= cfc_check_trigger_src(&cmd->scan_end_src, TRIG_COUNT);
+ err |= cfc_check_trigger_src(&cmd->stop_src, TRIG_COUNT);
if (err)
return 1;
- /* step 2: make sure trigger sources are unique and mutually
- compatible */
+ /* Step 2a : make sure trigger sources are unique */
+ /* Step 2b : and mutually compatible */
if (err)
return 2;
@@ -644,41 +610,55 @@ static int ni_65xx_intr_insn_config(struct comedi_device *dev,
return 2;
}
-static int ni_65xx_attach(struct comedi_device *dev,
- struct comedi_devconfig *it)
+static const struct ni_65xx_board *
+ni_65xx_find_boardinfo(struct pci_dev *pcidev)
+{
+ unsigned int dev_id = pcidev->device;
+ unsigned int n;
+
+ for (n = 0; n < ARRAY_SIZE(ni_65xx_boards); n++) {
+ const struct ni_65xx_board *board = &ni_65xx_boards[n];
+ if (board->dev_id == dev_id)
+ return board;
+ }
+ return NULL;
+}
+
+static int __devinit ni_65xx_attach_pci(struct comedi_device *dev,
+ struct pci_dev *pcidev)
{
struct comedi_subdevice *s;
unsigned i;
int ret;
- printk(KERN_INFO "comedi%d: ni_65xx:", dev->minor);
-
ret = alloc_private(dev, sizeof(struct ni_65xx_private));
if (ret < 0)
return ret;
- ret = ni_65xx_find_device(dev, it->options[0], it->options[1]);
- if (ret < 0)
- return ret;
+ dev->board_ptr = ni_65xx_find_boardinfo(pcidev);
+ if (!dev->board_ptr)
+ return -ENODEV;
+
+ private(dev)->mite = mite_alloc(pcidev);
+ if (!private(dev)->mite)
+ return -ENOMEM;
ret = mite_setup(private(dev)->mite);
if (ret < 0) {
- printk(KERN_WARNING "error setting up mite\n");
+ dev_warn(dev->class_dev, "error setting up mite\n");
return ret;
}
dev->board_name = board(dev)->name;
dev->irq = mite_irq(private(dev)->mite);
- printk(KERN_INFO " %s", dev->board_name);
-
- printk(KERN_INFO " ID=0x%02x",
+ dev_info(dev->class_dev, "board: %s, ID=0x%02x", dev->board_name,
readb(private(dev)->mite->daq_io_addr + ID_Register));
ret = comedi_alloc_subdevices(dev, 4);
if (ret)
return ret;
- s = dev->subdevices + 0;
+ s = &dev->subdevices[0];
if (board(dev)->num_di_ports) {
s->type = COMEDI_SUBD_DI;
s->subdev_flags = SDF_READABLE;
@@ -696,7 +676,7 @@ static int ni_65xx_attach(struct comedi_device *dev,
s->type = COMEDI_SUBD_UNUSED;
}
- s = dev->subdevices + 1;
+ s = &dev->subdevices[1];
if (board(dev)->num_do_ports) {
s->type = COMEDI_SUBD_DO;
s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
@@ -713,7 +693,7 @@ static int ni_65xx_attach(struct comedi_device *dev,
s->type = COMEDI_SUBD_UNUSED;
}
- s = dev->subdevices + 2;
+ s = &dev->subdevices[2];
if (board(dev)->num_dio_ports) {
s->type = COMEDI_SUBD_DIO;
s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
@@ -737,7 +717,7 @@ static int ni_65xx_attach(struct comedi_device *dev,
s->type = COMEDI_SUBD_UNUSED;
}
- s = dev->subdevices + 3;
+ s = &dev->subdevices[3];
dev->read_subdev = s;
s->type = COMEDI_SUBD_DI;
s->subdev_flags = SDF_READABLE | SDF_CMD_READ;
@@ -772,11 +752,9 @@ static int ni_65xx_attach(struct comedi_device *dev,
"ni_65xx", dev);
if (ret < 0) {
dev->irq = 0;
- printk(KERN_WARNING " irq not available");
+ dev_warn(dev->class_dev, "irq not available\n");
}
- printk("\n");
-
return 0;
}
@@ -791,79 +769,46 @@ static void ni_65xx_detach(struct comedi_device *dev)
if (dev->irq)
free_irq(dev->irq, dev);
if (private(dev)) {
+ struct comedi_subdevice *s;
unsigned i;
+
for (i = 0; i < dev->n_subdevices; ++i) {
- kfree(dev->subdevices[i].private);
- dev->subdevices[i].private = NULL;
+ s = &dev->subdevices[i];
+ kfree(s->private);
+ s->private = NULL;
}
- if (private(dev)->mite)
+ if (private(dev)->mite) {
mite_unsetup(private(dev)->mite);
- }
-}
-
-static int ni_65xx_find_device(struct comedi_device *dev, int bus, int slot)
-{
- struct mite_struct *mite;
- int i;
-
- for (mite = mite_devices; mite; mite = mite->next) {
- if (mite->used)
- continue;
- if (bus || slot) {
- if (bus != mite->pcidev->bus->number ||
- slot != PCI_SLOT(mite->pcidev->devfn))
- continue;
- }
- for (i = 0; i < n_ni_65xx_boards; i++) {
- if (mite_device_id(mite) == ni_65xx_boards[i].dev_id) {
- dev->board_ptr = ni_65xx_boards + i;
- private(dev)->mite = mite;
- return 0;
- }
+ mite_free(private(dev)->mite);
}
}
- printk(KERN_WARNING "no device found\n");
- mite_list_devices();
- return -EIO;
}
-static int __devinit driver_ni_65xx_pci_probe(struct pci_dev *dev,
- const struct pci_device_id *ent)
+static struct comedi_driver ni_65xx_driver = {
+ .driver_name = "ni_65xx",
+ .module = THIS_MODULE,
+ .attach_pci = ni_65xx_attach_pci,
+ .detach = ni_65xx_detach,
+};
+
+static int __devinit ni_65xx_pci_probe(struct pci_dev *dev,
+ const struct pci_device_id *ent)
{
- return comedi_pci_auto_config(dev, &driver_ni_65xx);
+ return comedi_pci_auto_config(dev, &ni_65xx_driver);
}
-static void __devexit driver_ni_65xx_pci_remove(struct pci_dev *dev)
+static void __devexit ni_65xx_pci_remove(struct pci_dev *dev)
{
comedi_pci_auto_unconfig(dev);
}
-static struct pci_driver driver_ni_65xx_pci_driver = {
+static struct pci_driver ni_65xx_pci_driver = {
+ .name = "ni_65xx",
.id_table = ni_65xx_pci_table,
- .probe = &driver_ni_65xx_pci_probe,
- .remove = __devexit_p(&driver_ni_65xx_pci_remove)
+ .probe = ni_65xx_pci_probe,
+ .remove = __devexit_p(ni_65xx_pci_remove)
};
-
-static int __init driver_ni_65xx_init_module(void)
-{
- int retval;
-
- retval = comedi_driver_register(&driver_ni_65xx);
- if (retval < 0)
- return retval;
-
- driver_ni_65xx_pci_driver.name = (char *)driver_ni_65xx.driver_name;
- return pci_register_driver(&driver_ni_65xx_pci_driver);
-}
-
-static void __exit driver_ni_65xx_cleanup_module(void)
-{
- pci_unregister_driver(&driver_ni_65xx_pci_driver);
- comedi_driver_unregister(&driver_ni_65xx);
-}
-
-module_init(driver_ni_65xx_init_module);
-module_exit(driver_ni_65xx_cleanup_module);
+module_comedi_pci_driver(ni_65xx_driver, ni_65xx_pci_driver);
MODULE_AUTHOR("Comedi http://www.comedi.org");
MODULE_DESCRIPTION("Comedi low-level driver");