aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/staging/comedi/drivers/dyna_pci10xx.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/comedi/drivers/dyna_pci10xx.c')
-rw-r--r--drivers/staging/comedi/drivers/dyna_pci10xx.c161
1 files changed, 36 insertions, 125 deletions
diff --git a/drivers/staging/comedi/drivers/dyna_pci10xx.c b/drivers/staging/comedi/drivers/dyna_pci10xx.c
index 064be9aae3aa..6f612be1b0a5 100644
--- a/drivers/staging/comedi/drivers/dyna_pci10xx.c
+++ b/drivers/staging/comedi/drivers/dyna_pci10xx.c
@@ -41,7 +41,6 @@
#include <linux/mutex.h>
#define PCI_VENDOR_ID_DYNALOG 0x10b5
-#define DRV_NAME "dyna_pci10xx"
#define READ_TIMEOUT 50
@@ -54,59 +53,11 @@ static const struct comedi_lrange range_pci1050_ai = { 3, {
static const char range_codes_pci1050_ai[] = { 0x00, 0x10, 0x30 };
-static const struct comedi_lrange range_pci1050_ao = { 1, {
- UNI_RANGE(10)
- }
-};
-
-static const char range_codes_pci1050_ao[] = { 0x00 };
-
-struct boardtype {
- const char *name;
- int device_id;
- int ai_chans;
- int ai_bits;
- int ao_chans;
- int ao_bits;
- int di_chans;
- int di_bits;
- int do_chans;
- int do_bits;
- const struct comedi_lrange *range_ai;
- const char *range_codes_ai;
- const struct comedi_lrange *range_ao;
- const char *range_codes_ao;
-};
-
-static const struct boardtype boardtypes[] = {
- {
- .name = "dyna_pci1050",
- .device_id = 0x1050,
- .ai_chans = 16,
- .ai_bits = 12,
- .ao_chans = 16,
- .ao_bits = 12,
- .di_chans = 16,
- .di_bits = 16,
- .do_chans = 16,
- .do_bits = 16,
- .range_ai = &range_pci1050_ai,
- .range_codes_ai = range_codes_pci1050_ai,
- .range_ao = &range_pci1050_ao,
- .range_codes_ao = range_codes_pci1050_ao,
- },
- /* dummy entry corresponding to driver name */
- {.name = DRV_NAME},
-};
-
struct dyna_pci10xx_private {
struct mutex mutex;
unsigned long BADR3;
};
-#define thisboard ((const struct boardtype *)dev->board_ptr)
-#define devpriv ((struct dyna_pci10xx_private *)dev->private)
-
/******************************************************************************/
/************************** READ WRITE FUNCTIONS ******************************/
/******************************************************************************/
@@ -116,13 +67,14 @@ static int dyna_pci10xx_insn_read_ai(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
+ struct dyna_pci10xx_private *devpriv = dev->private;
int n, counter;
u16 d = 0;
unsigned int chan, range;
/* get the channel number and range */
chan = CR_CHAN(insn->chanspec);
- range = thisboard->range_codes_ai[CR_RANGE((insn->chanspec))];
+ range = range_codes_pci1050_ai[CR_RANGE((insn->chanspec))];
mutex_lock(&devpriv->mutex);
/* convert n samples */
@@ -159,11 +111,12 @@ static int dyna_pci10xx_insn_write_ao(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
+ struct dyna_pci10xx_private *devpriv = dev->private;
int n;
unsigned int chan, range;
chan = CR_CHAN(insn->chanspec);
- range = thisboard->range_codes_ai[CR_RANGE((insn->chanspec))];
+ range = range_codes_pci1050_ai[CR_RANGE((insn->chanspec))];
mutex_lock(&devpriv->mutex);
for (n = 0; n < insn->n; n++) {
@@ -181,6 +134,7 @@ static int dyna_pci10xx_di_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
+ struct dyna_pci10xx_private *devpriv = dev->private;
u16 d = 0;
mutex_lock(&devpriv->mutex);
@@ -200,6 +154,8 @@ static int dyna_pci10xx_do_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
+ struct dyna_pci10xx_private *devpriv = dev->private;
+
/* The insn data is a mask in data[0] and the new data
* in data[1], each channel cooresponding to a bit.
* s->state contains the previous write data
@@ -223,143 +179,98 @@ static int dyna_pci10xx_do_insn_bits(struct comedi_device *dev,
return insn->n;
}
-static struct pci_dev *dyna_pci10xx_find_pci_dev(struct comedi_device *dev,
- struct comedi_devconfig *it)
-{
- struct pci_dev *pcidev = NULL;
- int bus = it->options[0];
- int slot = it->options[1];
- int i;
-
- for_each_pci_dev(pcidev) {
- if (bus || slot) {
- if (bus != pcidev->bus->number ||
- slot != PCI_SLOT(pcidev->devfn))
- continue;
- }
- if (pcidev->vendor != PCI_VENDOR_ID_DYNALOG)
- continue;
-
- for (i = 0; i < ARRAY_SIZE(boardtypes); ++i) {
- if (pcidev->device != boardtypes[i].device_id)
- continue;
-
- dev->board_ptr = &boardtypes[i];
- return pcidev;
- }
- }
- dev_err(dev->class_dev,
- "No supported board found! (req. bus %d, slot %d)\n",
- bus, slot);
- return NULL;
-}
-
-static int dyna_pci10xx_attach(struct comedi_device *dev,
- struct comedi_devconfig *it)
+static int dyna_pci10xx_attach_pci(struct comedi_device *dev,
+ struct pci_dev *pcidev)
{
- struct pci_dev *pcidev;
+ struct dyna_pci10xx_private *devpriv;
struct comedi_subdevice *s;
int ret;
- if (alloc_private(dev, sizeof(struct dyna_pci10xx_private)) < 0) {
- printk(KERN_ERR "comedi: dyna_pci10xx: "
- "failed to allocate memory!\n");
- return -ENOMEM;
- }
-
- pcidev = dyna_pci10xx_find_pci_dev(dev, it);
- if (!pcidev)
- return -EIO;
comedi_set_hw_dev(dev, &pcidev->dev);
- dev->board_name = thisboard->name;
- dev->irq = 0;
-
- if (comedi_pci_enable(pcidev, DRV_NAME)) {
- printk(KERN_ERR "comedi: dyna_pci10xx: "
- "failed to enable PCI device and request regions!");
- return -EIO;
- }
-
- mutex_init(&devpriv->mutex);
+ dev->board_name = dev->driver->driver_name;
- printk(KERN_INFO "comedi: dyna_pci10xx: device found!\n");
+ ret = alloc_private(dev, sizeof(*devpriv));
+ if (ret)
+ return ret;
+ devpriv = dev->private;
+ ret = comedi_pci_enable(pcidev, dev->board_name);
+ if (ret)
+ return ret;
dev->iobase = pci_resource_start(pcidev, 2);
devpriv->BADR3 = pci_resource_start(pcidev, 3);
+ mutex_init(&devpriv->mutex);
+
ret = comedi_alloc_subdevices(dev, 4);
if (ret)
return ret;
/* analog input */
- s = dev->subdevices + 0;
+ s = &dev->subdevices[0];
s->type = COMEDI_SUBD_AI;
s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_DIFF;
- s->n_chan = thisboard->ai_chans;
+ s->n_chan = 16;
s->maxdata = 0x0FFF;
- s->range_table = thisboard->range_ai;
+ s->range_table = &range_pci1050_ai;
s->len_chanlist = 16;
s->insn_read = dyna_pci10xx_insn_read_ai;
/* analog output */
- s = dev->subdevices + 1;
+ s = &dev->subdevices[1];
s->type = COMEDI_SUBD_AO;
s->subdev_flags = SDF_WRITABLE;
- s->n_chan = thisboard->ao_chans;
+ s->n_chan = 16;
s->maxdata = 0x0FFF;
- s->range_table = thisboard->range_ao;
+ s->range_table = &range_unipolar10;
s->len_chanlist = 16;
s->insn_write = dyna_pci10xx_insn_write_ao;
/* digital input */
- s = dev->subdevices + 2;
+ s = &dev->subdevices[2];
s->type = COMEDI_SUBD_DI;
s->subdev_flags = SDF_READABLE | SDF_GROUND;
- s->n_chan = thisboard->di_chans;
+ s->n_chan = 16;
s->maxdata = 1;
s->range_table = &range_digital;
- s->len_chanlist = thisboard->di_chans;
+ s->len_chanlist = 16;
s->insn_bits = dyna_pci10xx_di_insn_bits;
/* digital output */
- s = dev->subdevices + 3;
+ s = &dev->subdevices[3];
s->type = COMEDI_SUBD_DO;
s->subdev_flags = SDF_WRITABLE | SDF_GROUND;
- s->n_chan = thisboard->do_chans;
+ s->n_chan = 16;
s->maxdata = 1;
s->range_table = &range_digital;
- s->len_chanlist = thisboard->do_chans;
+ s->len_chanlist = 16;
s->state = 0;
s->insn_bits = dyna_pci10xx_do_insn_bits;
- printk(KERN_INFO "comedi: dyna_pci10xx: %s - device setup completed!\n",
- thisboard->name);
+ dev_info(dev->class_dev, "%s attached\n", dev->board_name);
- return 1;
+ return 0;
}
static void dyna_pci10xx_detach(struct comedi_device *dev)
{
struct pci_dev *pcidev = comedi_to_pci_dev(dev);
+ struct dyna_pci10xx_private *devpriv = dev->private;
if (devpriv)
mutex_destroy(&devpriv->mutex);
if (pcidev) {
if (dev->iobase)
comedi_pci_disable(pcidev);
- pci_dev_put(pcidev);
}
}
static struct comedi_driver dyna_pci10xx_driver = {
.driver_name = "dyna_pci10xx",
.module = THIS_MODULE,
- .attach = dyna_pci10xx_attach,
+ .attach_pci = dyna_pci10xx_attach_pci,
.detach = dyna_pci10xx_detach,
- .board_name = &boardtypes[0].name,
- .offset = sizeof(struct boardtype),
- .num_names = ARRAY_SIZE(boardtypes),
};
static int __devinit dyna_pci10xx_pci_probe(struct pci_dev *dev,