#define DAS800_SIZE 8
#define TIMER_BASE 1000
-#define N_CHAN_AI 8 // number of analog input channels
+#define N_CHAN_AI 8 /* number of analog input channels */
/* Registers for the das800 */
#define IRQ 0x8
#define BUSY 0x80
#define DAS800_GAIN 3
-#define CIO_FFOV 0x8 // fifo overflow for cio-das802/16
-#define CIO_ENHF 0x90 // interrupt fifo half full for cio-das802/16
+#define CIO_FFOV 0x8 /* fifo overflow for cio-das802/16 */
+#define CIO_ENHF 0x90 /* interrupt fifo half full for cio-das802/16 */
#define CONTROL1 0x80
#define CONV_CONTROL 0xa0
#define SCAN_LIMITS 0xc0
int resolution;
};
-//analog input ranges
+/* analog input ranges */
static const struct comedi_lrange range_das800_ai = {
1,
{
static const struct das800_board das800_boards[] = {
{
- name: "das-800",
- ai_speed:25000,
- ai_range:&range_das800_ai,
- resolution:12,
+ .name = "das-800",
+ .ai_speed = 25000,
+ .ai_range = &range_das800_ai,
+ .resolution = 12,
},
{
- name: "cio-das800",
- ai_speed:20000,
- ai_range:&range_das800_ai,
- resolution:12,
+ .name = "cio-das800",
+ .ai_speed = 20000,
+ .ai_range = &range_das800_ai,
+ .resolution = 12,
},
{
- name: "das-801",
- ai_speed:25000,
- ai_range:&range_das801_ai,
- resolution:12,
+ .name = "das-801",
+ .ai_speed = 25000,
+ .ai_range = &range_das801_ai,
+ .resolution = 12,
},
{
- name: "cio-das801",
- ai_speed:20000,
- ai_range:&range_cio_das801_ai,
- resolution:12,
+ .name = "cio-das801",
+ .ai_speed = 20000,
+ .ai_range = &range_cio_das801_ai,
+ .resolution = 12,
},
{
- name: "das-802",
- ai_speed:25000,
- ai_range:&range_das802_ai,
- resolution:12,
+ .name = "das-802",
+ .ai_speed = 25000,
+ .ai_range = &range_das802_ai,
+ .resolution = 12,
},
{
- name: "cio-das802",
- ai_speed:20000,
- ai_range:&range_das802_ai,
- resolution:12,
+ .name = "cio-das802",
+ .ai_speed = 20000,
+ .ai_range = &range_das802_ai,
+ .resolution = 12,
},
{
- name: "cio-das802/16",
- ai_speed:10000,
- ai_range:&range_das80216_ai,
- resolution:16,
+ .name = "cio-das802/16",
+ .ai_speed = 10000,
+ .ai_range = &range_das80216_ai,
+ .resolution = 16,
},
};
#define devpriv ((struct das800_private *)dev->private)
-static int das800_attach(struct comedi_device * dev, struct comedi_devconfig * it);
-static int das800_detach(struct comedi_device * dev);
-static int das800_cancel(struct comedi_device * dev, struct comedi_subdevice * s);
+static int das800_attach(struct comedi_device *dev, struct comedi_devconfig *it);
+static int das800_detach(struct comedi_device *dev);
+static int das800_cancel(struct comedi_device *dev, struct comedi_subdevice *s);
static struct comedi_driver driver_das800 = {
- driver_name:"das800",
- module:THIS_MODULE,
- attach:das800_attach,
- detach:das800_detach,
- num_names:sizeof(das800_boards) / sizeof(struct das800_board),
- board_name:&das800_boards[0].name,
- offset:sizeof(struct das800_board),
+ .driver_name = "das800",
+ .module = THIS_MODULE,
+ .attach = das800_attach,
+ .detach = das800_detach,
+ .num_names = ARRAY_SIZE(das800_boards),
+ .board_name = &das800_boards[0].name,
+ .offset = sizeof(struct das800_board),
};
-static irqreturn_t das800_interrupt(int irq, void *d PT_REGS_ARG);
-static void enable_das800(struct comedi_device * dev);
-static void disable_das800(struct comedi_device * dev);
-static int das800_ai_do_cmdtest(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_cmd * cmd);
-static int das800_ai_do_cmd(struct comedi_device * dev, struct comedi_subdevice * s);
-static int das800_ai_rinsn(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_insn * insn, unsigned int * data);
-static int das800_di_rbits(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_insn * insn, unsigned int * data);
-static int das800_do_wbits(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_insn * insn, unsigned int * data);
-static int das800_probe(struct comedi_device * dev);
-static int das800_set_frequency(struct comedi_device * dev);
+static irqreturn_t das800_interrupt(int irq, void *d);
+static void enable_das800(struct comedi_device *dev);
+static void disable_das800(struct comedi_device *dev);
+static int das800_ai_do_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s,
+ struct comedi_cmd *cmd);
+static int das800_ai_do_cmd(struct comedi_device *dev, struct comedi_subdevice *s);
+static int das800_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data);
+static int das800_di_rbits(struct comedi_device *dev, struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data);
+static int das800_do_wbits(struct comedi_device *dev, struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data);
+static int das800_probe(struct comedi_device *dev);
+static int das800_set_frequency(struct comedi_device *dev);
/* checks and probes das-800 series board type */
-static int das800_probe(struct comedi_device * dev)
+static int das800_probe(struct comedi_device *dev)
{
int id_bits;
unsigned long irq_flags;
int board;
- // 'comedi spin lock irqsave' disables even rt interrupts, we use them to protect indirect addressing
+ /* 'comedi spin lock irqsave' disables even rt interrupts, we use them to protect indirect addressing */
comedi_spin_lock_irqsave(&dev->spinlock, irq_flags);
outb(ID, dev->iobase + DAS800_GAIN); /* select base address + 7 to be ID register */
id_bits = inb(dev->iobase + DAS800_ID) & 0x3; /* get id bits */
COMEDI_INITCLEANUP(driver_das800);
/* interrupt service routine */
-static irqreturn_t das800_interrupt(int irq, void *d PT_REGS_ARG)
+static irqreturn_t das800_interrupt(int irq, void *d)
{
short i; /* loop index */
short dataPoint = 0;
struct comedi_async *async;
int status;
unsigned long irq_flags;
- static const int max_loops = 128; // half-fifo size for cio-das802/16
- // flags
+ static const int max_loops = 128; /* half-fifo size for cio-das802/16 */
+ /* flags */
int fifo_empty = 0;
int fifo_overflow = 0;
*/
async = s->async;
- // if hardware conversions are not enabled, then quit
+ /* if hardware conversions are not enabled, then quit */
comedi_spin_lock_irqsave(&dev->spinlock, irq_flags);
outb(CONTROL1, dev->iobase + DAS800_GAIN); /* select base address + 7 to be STATUS2 register */
status = inb(dev->iobase + DAS800_STATUS2) & STATUS2_HCEN;
if (fifo_overflow)
break;
} else {
- fifo_empty = 0; // cio-das802/16 has no fifo empty status bit
+ fifo_empty = 0; /* cio-das802/16 has no fifo empty status bit */
}
if (fifo_empty) {
break;
/* check for fifo overflow */
if (thisboard->resolution == 12) {
fifo_overflow = dataPoint & FIFO_OVF;
- // else cio-das802/16
+ /* else cio-das802/16 */
} else {
fifo_overflow = inb(dev->iobase + DAS800_GAIN) & CIO_FFOV;
}
return IRQ_HANDLED;
}
-static int das800_attach(struct comedi_device * dev, struct comedi_devconfig * it)
+static int das800_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
struct comedi_subdevice *s;
unsigned long iobase = it->options[0];
return 0;
};
-static int das800_detach(struct comedi_device * dev)
+static int das800_detach(struct comedi_device *dev)
{
printk("comedi%d: das800: remove\n", dev->minor);
return 0;
};
-static int das800_cancel(struct comedi_device * dev, struct comedi_subdevice * s)
+static int das800_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
{
devpriv->forever = 0;
devpriv->count = 0;
}
/* enable_das800 makes the card start taking hardware triggered conversions */
-static void enable_das800(struct comedi_device * dev)
+static void enable_das800(struct comedi_device *dev)
{
unsigned long irq_flags;
comedi_spin_lock_irqsave(&dev->spinlock, irq_flags);
- // enable fifo-half full interrupts for cio-das802/16
+ /* enable fifo-half full interrupts for cio-das802/16 */
if (thisboard->resolution == 16)
outb(CIO_ENHF, dev->iobase + DAS800_GAIN);
outb(CONV_CONTROL, dev->iobase + DAS800_GAIN); /* select dev->iobase + 2 to be conversion control register */
}
/* disable_das800 stops hardware triggered conversions */
-static void disable_das800(struct comedi_device * dev)
+static void disable_das800(struct comedi_device *dev)
{
unsigned long irq_flags;
comedi_spin_lock_irqsave(&dev->spinlock, irq_flags);
comedi_spin_unlock_irqrestore(&dev->spinlock, irq_flags);
}
-static int das800_ai_do_cmdtest(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_cmd * cmd)
+static int das800_ai_do_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s,
+ struct comedi_cmd *cmd)
{
int err = 0;
int tmp;
if (err)
return 4;
- // check channel/gain list against card's limitations
+ /* check channel/gain list against card's limitations */
if (cmd->chanlist) {
gain = CR_RANGE(cmd->chanlist[0]);
startChan = CR_CHAN(cmd->chanlist[0]);
return 0;
}
-static int das800_ai_do_cmd(struct comedi_device * dev, struct comedi_subdevice * s)
+static int das800_ai_do_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
{
int startChan, endChan, scan, gain;
int conv_bits;
return 0;
}
-static int das800_ai_rinsn(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_insn * insn, unsigned int * data)
+static int das800_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
{
int i, n;
int chan;
return n;
}
-static int das800_di_rbits(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_insn * insn, unsigned int * data)
+static int das800_di_rbits(struct comedi_device *dev, struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
{
unsigned int bits;
return 2;
}
-static int das800_do_wbits(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_insn * insn, unsigned int * data)
+static int das800_do_wbits(struct comedi_device *dev, struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
{
int wbits;
unsigned long irq_flags;
- // only set bits that have been masked
+ /* only set bits that have been masked */
data[0] &= 0xf;
wbits = devpriv->do_bits >> 4;
wbits &= ~data[0];
}
/* loads counters with divisor1, divisor2 from private structure */
-static int das800_set_frequency(struct comedi_device * dev)
+static int das800_set_frequency(struct comedi_device *dev)
{
int err = 0;
projects / mv-sheeva.git / blobdiff