pci224_ao_set_data(struct comedi_device *dev, int chan, int range,
unsigned int data)
{
- const struct pci224_board *thisboard = dev->board_ptr;
+ const struct pci224_board *board = dev->board_ptr;
struct pci224_private *devpriv = dev->private;
unsigned short mangled;
/* Enable the channel. */
outw(1 << chan, dev->iobase + PCI224_DACCEN);
/* Set range and reset FIFO. */
- devpriv->daccon = COMBINE(devpriv->daccon, thisboard->ao_hwrange[range],
+ devpriv->daccon = COMBINE(devpriv->daccon, board->ao_hwrange[range],
PCI224_DACCON_POLAR_MASK |
PCI224_DACCON_VREF_MASK);
outw(devpriv->daccon | PCI224_DACCON_FIFORESET,
* - bipolar: 16-bit 2's complement
* - unipolar: 16-bit unsigned
*/
- mangled = (unsigned short)data << (16 - thisboard->ao_bits);
+ mangled = (unsigned short)data << (16 - board->ao_bits);
if ((devpriv->daccon & PCI224_DACCON_POLAR_MASK) ==
PCI224_DACCON_POLAR_BI) {
mangled ^= 0x8000;
struct comedi_subdevice *s,
struct comedi_cmd *cmd)
{
- const struct pci224_board *thisboard = dev->board_ptr;
+ const struct pci224_board *board = dev->board_ptr;
unsigned int range_check_0;
unsigned int chan_mask = 0;
int i;
- range_check_0 = thisboard->ao_range_check[CR_RANGE(cmd->chanlist[0])];
+ range_check_0 = board->ao_range_check[CR_RANGE(cmd->chanlist[0])];
for (i = 0; i < cmd->chanlist_len; i++) {
unsigned int chan = CR_CHAN(cmd->chanlist[i]);
}
chan_mask |= 1 << chan;
- if (thisboard->ao_range_check[CR_RANGE(cmd->chanlist[i])] !=
+ if (board->ao_range_check[CR_RANGE(cmd->chanlist[i])] !=
range_check_0) {
dev_dbg(dev->class_dev,
"%s: entries in chanlist have incompatible ranges\n",
static int pci224_ao_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
{
- const struct pci224_board *thisboard = dev->board_ptr;
+ const struct pci224_board *board = dev->board_ptr;
struct pci224_private *devpriv = dev->private;
struct comedi_cmd *cmd = &s->async->cmd;
int range;
*/
devpriv->daccon =
COMBINE(devpriv->daccon,
- thisboard->ao_hwrange[range] | PCI224_DACCON_TRIG_NONE |
+ board->ao_hwrange[range] | PCI224_DACCON_TRIG_NONE |
PCI224_DACCON_FIFOINTR_NHALF,
PCI224_DACCON_POLAR_MASK | PCI224_DACCON_VREF_MASK |
PCI224_DACCON_TRIG_MASK | PCI224_DACCON_FIFOINTR_MASK);
pci224_ao_munge(struct comedi_device *dev, struct comedi_subdevice *s,
void *data, unsigned int num_bytes, unsigned int chan_index)
{
- const struct pci224_board *thisboard = dev->board_ptr;
+ const struct pci224_board *board = dev->board_ptr;
struct comedi_cmd *cmd = &s->async->cmd;
unsigned short *array = data;
unsigned int length = num_bytes / sizeof(*array);
unsigned int i;
/* The hardware expects 16-bit numbers. */
- shift = 16 - thisboard->ao_bits;
+ shift = 16 - board->ao_bits;
/* Channels will be all bipolar or all unipolar. */
- if ((thisboard->ao_hwrange[CR_RANGE(cmd->chanlist[0])] &
+ if ((board->ao_hwrange[CR_RANGE(cmd->chanlist[0])] &
PCI224_DACCON_POLAR_MASK) == PCI224_DACCON_POLAR_UNI) {
/* Unipolar */
offset = 0;
pci224_auto_attach(struct comedi_device *dev, unsigned long context_model)
{
struct pci_dev *pci_dev = comedi_to_pci_dev(dev);
- const struct pci224_board *thisboard = NULL;
+ const struct pci224_board *board = NULL;
struct pci224_private *devpriv;
struct comedi_subdevice *s;
unsigned int irq;
int ret;
if (context_model < ARRAY_SIZE(pci224_boards))
- thisboard = &pci224_boards[context_model];
- if (!thisboard || !thisboard->name) {
+ board = &pci224_boards[context_model];
+ if (!board || !board->name) {
dev_err(dev->class_dev,
"amplc_pci224: BUG! cannot determine board type!\n");
return -EINVAL;
}
- dev->board_ptr = thisboard;
- dev->board_name = thisboard->name;
+ dev->board_ptr = board;
+ dev->board_name = board->name;
dev_info(dev->class_dev, "amplc_pci224: attach pci %s - %s\n",
pci_name(pci_dev), dev->board_name);
/* Allocate buffer to hold values for AO channel scan. */
devpriv->ao_scan_vals = kmalloc(sizeof(devpriv->ao_scan_vals[0]) *
- thisboard->ao_chans, GFP_KERNEL);
+ board->ao_chans, GFP_KERNEL);
if (!devpriv->ao_scan_vals)
return -ENOMEM;
/* Allocate buffer to hold AO channel scan order. */
devpriv->ao_scan_order = kmalloc(sizeof(devpriv->ao_scan_order[0]) *
- thisboard->ao_chans, GFP_KERNEL);
+ board->ao_chans, GFP_KERNEL);
if (!devpriv->ao_scan_order)
return -ENOMEM;
/* Analog output subdevice. */
s->type = COMEDI_SUBD_AO;
s->subdev_flags = SDF_WRITABLE | SDF_GROUND | SDF_CMD_WRITE;
- s->n_chan = thisboard->ao_chans;
- s->maxdata = (1 << thisboard->ao_bits) - 1;
- s->range_table = thisboard->ao_range;
+ s->n_chan = board->ao_chans;
+ s->maxdata = (1 << board->ao_bits) - 1;
+ s->range_table = board->ao_range;
s->insn_write = pci224_ao_insn_write;
s->len_chanlist = s->n_chan;
dev->write_subdev = s;