unsigned int ai_rear;
};
-#define devpriv ((struct dt3k_private *)dev->private)
-
static void dt3k_ai_empty_fifo(struct comedi_device *dev,
struct comedi_subdevice *s);
static int dt3k_ns_to_timer(unsigned int timer_base, unsigned int *arg,
static int dt3k_send_cmd(struct comedi_device *dev, unsigned int cmd)
{
+ struct dt3k_private *devpriv = dev->private;
int i;
unsigned int status = 0;
unsigned int subsys, unsigned int chan,
unsigned int gain)
{
+ struct dt3k_private *devpriv = dev->private;
+
writew(subsys, devpriv->io_addr + DPR_SubSys);
writew(chan, devpriv->io_addr + DPR_Params(0));
static void dt3k_writesingle(struct comedi_device *dev, unsigned int subsys,
unsigned int chan, unsigned int data)
{
+ struct dt3k_private *devpriv = dev->private;
+
writew(subsys, devpriv->io_addr + DPR_SubSys);
writew(chan, devpriv->io_addr + DPR_Params(0));
static irqreturn_t dt3k_interrupt(int irq, void *d)
{
struct comedi_device *dev = d;
+ struct dt3k_private *devpriv = dev->private;
struct comedi_subdevice *s;
unsigned int status;
static void dt3k_ai_empty_fifo(struct comedi_device *dev,
struct comedi_subdevice *s)
{
+ struct dt3k_private *devpriv = dev->private;
int front;
int rear;
int count;
static int dt3k_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
{
+ struct dt3k_private *devpriv = dev->private;
struct comedi_cmd *cmd = &s->async->cmd;
int i;
unsigned int chan, range, aref;
static int dt3k_ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
{
+ struct dt3k_private *devpriv = dev->private;
int ret;
writew(SUBS_AI, devpriv->io_addr + DPR_SubSys);
static int dt3k_ao_insn(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
+ struct dt3k_private *devpriv = dev->private;
int i;
unsigned int chan;
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
+ struct dt3k_private *devpriv = dev->private;
int i;
unsigned int chan;
static void dt3k_dio_config(struct comedi_device *dev, int bits)
{
+ struct dt3k_private *devpriv = dev->private;
+
/* XXX */
writew(SUBS_DOUT, devpriv->io_addr + DPR_SubSys);
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
+ struct dt3k_private *devpriv = dev->private;
unsigned int addr = CR_CHAN(insn->chanspec);
int i;
static int dt3000_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
+ struct dt3k_private *devpriv;
struct pci_dev *pcidev;
struct comedi_subdevice *s;
resource_size_t pci_base;
dev_dbg(dev->class_dev, "dt3000:\n");
- ret = alloc_private(dev, sizeof(struct dt3k_private));
- if (ret < 0)
- return ret;
+ devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL);
+ if (!devpriv)
+ return -ENOMEM;
+ dev->private = devpriv;
pcidev = dt3000_find_pci_dev(dev, it);
if (!pcidev)
static void dt3000_detach(struct comedi_device *dev)
{
struct pci_dev *pcidev = comedi_to_pci_dev(dev);
+ struct dt3k_private *devpriv = dev->private;
if (dev->irq)
free_irq(dev->irq, dev);