*/
#include <linux/interrupt.h>
+#include <linux/slab.h>
#include "../comedidev.h"
#include <linux/ioport.h>
static const struct comedi_lrange range_a2150 = {
1,
{
- RANGE(-2.828, 2.828),
- }
+ RANGE(-2.828, 2.828),
+ }
};
/* enum must match board indices */
enum { a2150_c, a2150_s };
static const struct a2150_board a2150_boards[] = {
{
- .name = "at-a2150c",
- .clock = {31250, 22676, 20833, 19531},
- .num_clocks = 4,
- .ai_speed = 19531,
- },
+ .name = "at-a2150c",
+ .clock = {31250, 22676, 20833, 19531},
+ .num_clocks = 4,
+ .ai_speed = 19531,
+ },
{
- .name = "at-a2150s",
- .clock = {62500, 50000, 41667, 0},
- .num_clocks = 3,
- .ai_speed = 41667,
- },
+ .name = "at-a2150s",
+ .clock = {62500, 50000, 41667, 0},
+ .num_clocks = 3,
+ .ai_speed = 41667,
+ },
};
/*
int config_bits; /* config register bits */
};
-
#define devpriv ((struct a2150_private *)dev->private)
static int a2150_attach(struct comedi_device *dev, struct comedi_devconfig *it);
};
static irqreturn_t a2150_interrupt(int irq, void *d);
-static int a2150_ai_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_cmd *cmd);
+static int a2150_ai_cmdtest(struct comedi_device *dev,
+ struct comedi_subdevice *s, struct comedi_cmd *cmd);
static int a2150_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s);
static int a2150_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data);
+ struct comedi_insn *insn, unsigned int *data);
static int a2150_get_timing(struct comedi_device *dev, unsigned int *period,
- int flags);
+ int flags);
static int a2150_probe(struct comedi_device *dev);
-static int a2150_set_chanlist(struct comedi_device *dev, unsigned int start_channel,
- unsigned int num_channels);
+static int a2150_set_chanlist(struct comedi_device *dev,
+ unsigned int start_channel,
+ unsigned int num_channels);
/*
* A convenient macro that defines init_module() and cleanup_module(),
* as necessary.
int i;
printk("comedi%d: %s: io 0x%lx", dev->minor, driver_a2150.driver_name,
- iobase);
+ iobase);
if (irq) {
printk(", irq %u", irq);
} else {
}
devpriv->dma = dma;
devpriv->dma_buffer =
- kmalloc(A2150_DMA_BUFFER_SIZE, GFP_KERNEL | GFP_DMA);
+ kmalloc(A2150_DMA_BUFFER_SIZE, GFP_KERNEL | GFP_DMA);
if (devpriv->dma_buffer == NULL)
return -ENOMEM;
udelay(1000);
}
if (i == timeout) {
- printk(" timed out waiting for offset calibration to complete\n");
+ printk
+ (" timed out waiting for offset calibration to complete\n");
return -ETIME;
}
devpriv->config_bits |= ENABLE0_BIT | ENABLE1_BIT;
return 0;
}
-static int a2150_ai_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_cmd *cmd)
+static int a2150_ai_cmdtest(struct comedi_device *dev,
+ struct comedi_subdevice *s, struct comedi_cmd *cmd)
{
int err = 0;
int tmp;
for (i = 1; i < cmd->chanlist_len; i++) {
if (CR_CHAN(cmd->chanlist[i]) != (startChan + i)) {
comedi_error(dev,
- "entries in chanlist must be consecutive channels, counting upwards\n");
+ "entries in chanlist must be consecutive channels, counting upwards\n");
err++;
}
}
if (cmd->chanlist_len == 2 && CR_CHAN(cmd->chanlist[0]) == 1) {
comedi_error(dev,
- "length 2 chanlist must be channels 0,1 or channels 2,3");
+ "length 2 chanlist must be channels 0,1 or channels 2,3");
err++;
}
if (cmd->chanlist_len == 3) {
comedi_error(dev,
- "chanlist must have 1,2 or 4 channels");
+ "chanlist must have 1,2 or 4 channels");
err++;
}
if (CR_AREF(cmd->chanlist[0]) != CR_AREF(cmd->chanlist[1]) ||
- CR_AREF(cmd->chanlist[2]) != CR_AREF(cmd->chanlist[3]))
- {
+ CR_AREF(cmd->chanlist[2]) != CR_AREF(cmd->chanlist[3])) {
comedi_error(dev,
- "channels 0/1 and 2/3 must have the same analog reference");
+ "channels 0/1 and 2/3 must have the same analog reference");
err++;
}
}
if (!dev->irq || !devpriv->dma) {
comedi_error(dev,
- " irq and dma required, cannot do hardware conversions");
+ " irq and dma required, cannot do hardware conversions");
return -1;
}
if (cmd->flags & TRIG_RT) {
comedi_error(dev,
- " dma incompatible with hard real-time interrupt (TRIG_RT), aborting");
+ " dma incompatible with hard real-time interrupt (TRIG_RT), aborting");
return -1;
}
/* clear fifo and reset triggering circuitry */
/* setup chanlist */
if (a2150_set_chanlist(dev, CR_CHAN(cmd->chanlist[0]),
- cmd->chanlist_len) < 0)
+ cmd->chanlist_len) < 0)
return -1;
/* setup ac/dc coupling */
/* set size of transfer to fill in 1/3 second */
#define ONE_THIRD_SECOND 333333333
devpriv->dma_transfer_size =
- sizeof(devpriv->dma_buffer[0]) * cmd->chanlist_len *
- ONE_THIRD_SECOND / cmd->scan_begin_arg;
+ sizeof(devpriv->dma_buffer[0]) * cmd->chanlist_len *
+ ONE_THIRD_SECOND / cmd->scan_begin_arg;
if (devpriv->dma_transfer_size > A2150_DMA_BUFFER_SIZE)
devpriv->dma_transfer_size = A2150_DMA_BUFFER_SIZE;
if (devpriv->dma_transfer_size < sizeof(devpriv->dma_buffer[0]))
devpriv->dma_transfer_size = sizeof(devpriv->dma_buffer[0]);
devpriv->dma_transfer_size -=
- devpriv->dma_transfer_size % sizeof(devpriv->dma_buffer[0]);
+ devpriv->dma_transfer_size % sizeof(devpriv->dma_buffer[0]);
set_dma_count(devpriv->dma, devpriv->dma_transfer_size);
enable_dma(devpriv->dma);
release_dma_lock(lock_flags);
trigger_bits = 0;
/* decide if we need to wait 72 periods for valid data */
if (cmd->start_src == TRIG_NOW &&
- (old_config_bits & CLOCK_MASK) !=
- (devpriv->config_bits & CLOCK_MASK)) {
+ (old_config_bits & CLOCK_MASK) !=
+ (devpriv->config_bits & CLOCK_MASK)) {
/* set trigger source to delay trigger */
trigger_bits |= DELAY_TRIGGER_BITS;
} else {
}
static int a2150_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
+ struct comedi_insn *insn, unsigned int *data)
{
unsigned int i, n;
static const int timeout = 100000;
/* sets bits in devpriv->clock_bits to nearest approximation of requested period,
* adjusts requested period to actual timing. */
static int a2150_get_timing(struct comedi_device *dev, unsigned int *period,
- int flags)
+ int flags)
{
int lub, glb, temp;
int lub_divisor_shift, lub_index, glb_divisor_shift, glb_index;
devpriv->config_bits &= ~CLOCK_MASK;
if (*period == lub) {
devpriv->config_bits |=
- CLOCK_SELECT_BITS(lub_index) |
- CLOCK_DIVISOR_BITS(lub_divisor_shift);
+ CLOCK_SELECT_BITS(lub_index) |
+ CLOCK_DIVISOR_BITS(lub_divisor_shift);
} else {
devpriv->config_bits |=
- CLOCK_SELECT_BITS(glb_index) |
- CLOCK_DIVISOR_BITS(glb_divisor_shift);
+ CLOCK_SELECT_BITS(glb_index) |
+ CLOCK_DIVISOR_BITS(glb_divisor_shift);
}
return 0;
}
-static int a2150_set_chanlist(struct comedi_device *dev, unsigned int start_channel,
- unsigned int num_channels)
+static int a2150_set_chanlist(struct comedi_device *dev,
+ unsigned int start_channel,
+ unsigned int num_channels)
{
if (start_channel + num_channels > 4)
return -1;
projects / mv-sheeva.git / blobdiff