#define MAX_AI_DMA_RING_COUNT (0x80000 / DMA_BUFFER_SIZE)
#define MIN_AI_DMA_RING_COUNT (0x10000 / DMA_BUFFER_SIZE)
#define AO_DMA_RING_COUNT (0x10000 / DMA_BUFFER_SIZE)
-static inline unsigned int ai_dma_ring_count(struct pcidas64_board *board)
+static inline unsigned int ai_dma_ring_count(const struct pcidas64_board *board)
{
if (board->layout == LAYOUT_4020)
return MAX_AI_DMA_RING_COUNT;
#endif
};
-static inline struct pcidas64_board *board(const struct comedi_device *dev)
-{
- return (struct pcidas64_board *)dev->board_ptr;
-}
-
static inline unsigned short se_diff_bit_6xxx(struct comedi_device *dev,
int use_differential)
{
- if ((board(dev)->layout == LAYOUT_64XX && !use_differential) ||
- (board(dev)->layout == LAYOUT_60XX && use_differential))
+ const struct pcidas64_board *thisboard = comedi_board(dev);
+
+ if ((thisboard->layout == LAYOUT_64XX && !use_differential) ||
+ (thisboard->layout == LAYOUT_60XX && use_differential))
return ADC_SE_DIFF_BIT;
else
return 0;
static unsigned int ai_range_bits_6xxx(const struct comedi_device *dev,
unsigned int range_index)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
const struct comedi_krange *range =
- &board(dev)->ai_range_table->range[range_index];
+ &thisboard->ai_range_table->range[range_index];
unsigned int bits = 0;
switch (range->max) {
static unsigned int hw_revision(const struct comedi_device *dev,
uint16_t hw_status_bits)
{
- if (board(dev)->layout == LAYOUT_4020)
+ const struct pcidas64_board *thisboard = comedi_board(dev);
+
+ if (thisboard->layout == LAYOUT_4020)
return (hw_status_bits >> 13) & 0x7;
return (hw_status_bits >> 12) & 0xf;
volatile uint16_t *bits, unsigned int channel,
unsigned int range)
{
- unsigned int code = board(dev)->ao_range_code[range];
+ const struct pcidas64_board *thisboard = comedi_board(dev);
+ unsigned int code = thisboard->ao_range_code[range];
if (channel > 1)
comedi_error(dev, "bug! bad channel?");
/* initialize plx9080 chip */
static void init_plx9080(struct comedi_device *dev)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
struct pcidas64_private *devpriv = dev->private;
uint32_t bits;
void __iomem *plx_iobase = devpriv->plx9080_iobase;
/* enable local burst mode */
bits |= PLX_DMA_LOCAL_BURST_EN_BIT;
/* 4020 uses 32 bit dma */
- if (board(dev)->layout == LAYOUT_4020)
+ if (thisboard->layout == LAYOUT_4020)
bits |= PLX_LOCAL_BUS_32_WIDE_BITS;
else /* localspace0 bus is 16 bits wide */
bits |= PLX_LOCAL_BUS_16_WIDE_BITS;
writel(bits, plx_iobase + PLX_DMA1_MODE_REG);
- if (ao_cmd_is_supported(board(dev)))
+ if (ao_cmd_is_supported(thisboard))
writel(bits, plx_iobase + PLX_DMA0_MODE_REG);
/* enable interrupts on plx 9080 */
*/
static int setup_subdevices(struct comedi_device *dev)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
struct pcidas64_private *devpriv = dev->private;
struct comedi_subdevice *s;
void __iomem *dio_8255_iobase;
dev->read_subdev = s;
s->type = COMEDI_SUBD_AI;
s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_DITHER | SDF_CMD_READ;
- if (board(dev)->layout == LAYOUT_60XX)
+ if (thisboard->layout == LAYOUT_60XX)
s->subdev_flags |= SDF_COMMON | SDF_DIFF;
- else if (board(dev)->layout == LAYOUT_64XX)
+ else if (thisboard->layout == LAYOUT_64XX)
s->subdev_flags |= SDF_DIFF;
/* XXX Number of inputs in differential mode is ignored */
- s->n_chan = board(dev)->ai_se_chans;
+ s->n_chan = thisboard->ai_se_chans;
s->len_chanlist = 0x2000;
- s->maxdata = (1 << board(dev)->ai_bits) - 1;
- s->range_table = board(dev)->ai_range_table;
+ s->maxdata = (1 << thisboard->ai_bits) - 1;
+ s->range_table = thisboard->ai_range_table;
s->insn_read = ai_rinsn;
s->insn_config = ai_config_insn;
s->do_cmd = ai_cmd;
s->do_cmdtest = ai_cmdtest;
s->cancel = ai_cancel;
- if (board(dev)->layout == LAYOUT_4020) {
+ if (thisboard->layout == LAYOUT_4020) {
uint8_t data;
/* set adc to read from inputs
* (not internal calibration sources) */
/* analog output subdevice */
s = &dev->subdevices[1];
- if (board(dev)->ao_nchan) {
+ if (thisboard->ao_nchan) {
s->type = COMEDI_SUBD_AO;
s->subdev_flags = SDF_READABLE | SDF_WRITABLE |
SDF_GROUND | SDF_CMD_WRITE;
- s->n_chan = board(dev)->ao_nchan;
- s->maxdata = (1 << board(dev)->ao_bits) - 1;
- s->range_table = board(dev)->ao_range_table;
+ s->n_chan = thisboard->ao_nchan;
+ s->maxdata = (1 << thisboard->ao_bits) - 1;
+ s->range_table = thisboard->ao_range_table;
s->insn_read = ao_readback_insn;
s->insn_write = ao_winsn;
- if (ao_cmd_is_supported(board(dev))) {
+ if (ao_cmd_is_supported(thisboard)) {
dev->write_subdev = s;
s->do_cmdtest = ao_cmdtest;
s->do_cmd = ao_cmd;
- s->len_chanlist = board(dev)->ao_nchan;
+ s->len_chanlist = thisboard->ao_nchan;
s->cancel = ao_cancel;
}
} else {
/* digital input */
s = &dev->subdevices[2];
- if (board(dev)->layout == LAYOUT_64XX) {
+ if (thisboard->layout == LAYOUT_64XX) {
s->type = COMEDI_SUBD_DI;
s->subdev_flags = SDF_READABLE;
s->n_chan = 4;
s->type = COMEDI_SUBD_UNUSED;
/* digital output */
- if (board(dev)->layout == LAYOUT_64XX) {
+ if (thisboard->layout == LAYOUT_64XX) {
s = &dev->subdevices[3];
s->type = COMEDI_SUBD_DO;
s->subdev_flags = SDF_WRITABLE | SDF_READABLE;
/* 8255 */
s = &dev->subdevices[4];
- if (board(dev)->has_8255) {
- if (board(dev)->layout == LAYOUT_4020) {
+ if (thisboard->has_8255) {
+ if (thisboard->layout == LAYOUT_4020) {
dio_8255_iobase = devpriv->main_iobase + I8255_4020_REG;
subdev_8255_init(dev, s, dio_callback_4020,
(unsigned long)dio_8255_iobase);
/* 8 channel dio for 60xx */
s = &dev->subdevices[5];
- if (board(dev)->layout == LAYOUT_60XX) {
+ if (thisboard->layout == LAYOUT_60XX) {
s->type = COMEDI_SUBD_DIO;
s->subdev_flags = SDF_WRITABLE | SDF_READABLE;
s->n_chan = 8;
s->type = COMEDI_SUBD_CALIB;
s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL;
s->n_chan = 8;
- if (board(dev)->layout == LAYOUT_4020)
+ if (thisboard->layout == LAYOUT_4020)
s->maxdata = 0xfff;
else
s->maxdata = 0xff;
/* 2 channel ad8402 potentiometer */
s = &dev->subdevices[7];
- if (board(dev)->layout == LAYOUT_64XX) {
+ if (thisboard->layout == LAYOUT_64XX) {
s->type = COMEDI_SUBD_CALIB;
s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL;
s->n_chan = 2;
static void init_stc_registers(struct comedi_device *dev)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
struct pcidas64_private *devpriv = dev->private;
uint16_t bits;
unsigned long flags;
writew(0xff, devpriv->main_iobase + ADC_SAMPLE_INTERVAL_UPPER_REG);
bits = SLOW_DAC_BIT | DMA_CH_SELECT_BIT;
- if (board(dev)->layout == LAYOUT_4020)
+ if (thisboard->layout == LAYOUT_4020)
bits |= INTERNAL_CLOCK_4020_BITS;
devpriv->hw_config_bits |= bits;
writew(devpriv->hw_config_bits,
/* set fifos to maximum size */
devpriv->fifo_size_bits |= DAC_FIFO_BITS;
set_ai_fifo_segment_length(dev,
- board(dev)->ai_fifo->max_segment_length);
+ thisboard->ai_fifo->max_segment_length);
devpriv->dac_control1_bits = DAC_OUTPUT_ENABLE_BIT;
devpriv->intr_enable_bits =
static int alloc_and_init_dma_members(struct comedi_device *dev)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
struct pci_dev *pcidev = comedi_to_pci_dev(dev);
struct pcidas64_private *devpriv = dev->private;
int i;
/* alocate pci dma buffers */
- for (i = 0; i < ai_dma_ring_count(board(dev)); i++) {
+ for (i = 0; i < ai_dma_ring_count(thisboard); i++) {
devpriv->ai_buffer[i] =
pci_alloc_consistent(pcidev, DMA_BUFFER_SIZE,
&devpriv->ai_buffer_bus_addr[i]);
}
for (i = 0; i < AO_DMA_RING_COUNT; i++) {
- if (ao_cmd_is_supported(board(dev))) {
+ if (ao_cmd_is_supported(thisboard)) {
devpriv->ao_buffer[i] =
pci_alloc_consistent(pcidev, DMA_BUFFER_SIZE,
&devpriv->
/* allocate dma descriptors */
devpriv->ai_dma_desc =
pci_alloc_consistent(pcidev, sizeof(struct plx_dma_desc) *
- ai_dma_ring_count(board(dev)),
+ ai_dma_ring_count(thisboard),
&devpriv->ai_dma_desc_bus_addr);
if (devpriv->ai_dma_desc == NULL)
return -ENOMEM;
DEBUG_PRINT("ai dma descriptors start at bus addr 0x%llx\n",
(unsigned long long)devpriv->ai_dma_desc_bus_addr);
- if (ao_cmd_is_supported(board(dev))) {
+ if (ao_cmd_is_supported(thisboard)) {
devpriv->ao_dma_desc =
pci_alloc_consistent(pcidev,
sizeof(struct plx_dma_desc) *
(unsigned long long)devpriv->ao_dma_desc_bus_addr);
}
/* initialize dma descriptors */
- for (i = 0; i < ai_dma_ring_count(board(dev)); i++) {
+ for (i = 0; i < ai_dma_ring_count(thisboard); i++) {
devpriv->ai_dma_desc[i].pci_start_addr =
cpu_to_le32(devpriv->ai_buffer_bus_addr[i]);
- if (board(dev)->layout == LAYOUT_4020)
+ if (thisboard->layout == LAYOUT_4020)
devpriv->ai_dma_desc[i].local_start_addr =
cpu_to_le32(devpriv->local1_iobase +
ADC_FIFO_REG);
devpriv->ai_dma_desc[i].transfer_size = cpu_to_le32(0);
devpriv->ai_dma_desc[i].next =
cpu_to_le32((devpriv->ai_dma_desc_bus_addr +
- ((i + 1) % ai_dma_ring_count(board(dev))) *
+ ((i + 1) % ai_dma_ring_count(thisboard)) *
sizeof(devpriv->ai_dma_desc[0])) |
PLX_DESC_IN_PCI_BIT | PLX_INTR_TERM_COUNT |
PLX_XFER_LOCAL_TO_PCI);
}
- if (ao_cmd_is_supported(board(dev))) {
+ if (ao_cmd_is_supported(thisboard)) {
for (i = 0; i < AO_DMA_RING_COUNT; i++) {
devpriv->ao_dma_desc[i].pci_start_addr =
cpu_to_le32(devpriv->ao_buffer_bus_addr[i]);
static int __devinit auto_attach(struct comedi_device *dev,
unsigned long context_unused)
{
+ const struct pcidas64_board *thisboard;
struct pcidas64_private *devpriv;
struct pci_dev *pcidev = comedi_to_pci_dev(dev);
uint32_t local_range, local_decode;
pci_name(pcidev));
return -EINVAL;
}
+ thisboard = comedi_board(dev);
devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL);
if (!devpriv)
pci_set_master(pcidev);
/* Initialize dev->board_name */
- dev->board_name = board(dev)->name;
+ dev->board_name = thisboard->name;
dev->iobase = pci_resource_start(pcidev, MAIN_BADDRINDEX);
static void detach(struct comedi_device *dev)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
struct pci_dev *pcidev = comedi_to_pci_dev(dev);
struct pcidas64_private *devpriv = dev->private;
unsigned int i;
if (devpriv->dio_counter_iobase)
iounmap(devpriv->dio_counter_iobase);
/* free pci dma buffers */
- for (i = 0; i < ai_dma_ring_count(board(dev)); i++) {
+ for (i = 0; i < ai_dma_ring_count(thisboard); i++) {
if (devpriv->ai_buffer[i])
pci_free_consistent(pcidev,
DMA_BUFFER_SIZE,
if (devpriv->ai_dma_desc)
pci_free_consistent(pcidev,
sizeof(struct plx_dma_desc) *
- ai_dma_ring_count(board(dev)),
+ ai_dma_ring_count(thisboard),
devpriv->ai_dma_desc,
devpriv->ai_dma_desc_bus_addr);
if (devpriv->ao_dma_desc)
static int ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
struct pcidas64_private *devpriv = dev->private;
unsigned int bits = 0, n, i;
unsigned int channel, range, aref;
devpriv->main_iobase + ADC_CONTROL1_REG);
spin_unlock_irqrestore(&dev->spinlock, flags);
- if (board(dev)->layout != LAYOUT_4020) {
+ if (thisboard->layout != LAYOUT_4020) {
/* use internal queue */
devpriv->hw_config_bits &= ~EXT_QUEUE_BIT;
writew(devpriv->hw_config_bits,
unsigned int cal_en_bit;
DEBUG_PRINT("reading calibration source\n");
- if (board(dev)->layout == LAYOUT_60XX)
+ if (thisboard->layout == LAYOUT_60XX)
cal_en_bit = CAL_EN_60XX_BIT;
else
cal_en_bit = CAL_EN_64XX_BIT;
for (i = 0; i < timeout; i++) {
bits = readw(devpriv->main_iobase + HW_STATUS_REG);
DEBUG_PRINT(" pipe bits 0x%x\n", pipe_full_bits(bits));
- if (board(dev)->layout == LAYOUT_4020) {
+ if (thisboard->layout == LAYOUT_4020) {
if (readw(devpriv->main_iobase +
ADC_WRITE_PNTR_REG))
break;
dev_info(dev->class_dev, "status 0x%x\n", bits);
return -ETIME;
}
- if (board(dev)->layout == LAYOUT_4020)
+ if (thisboard->layout == LAYOUT_4020)
data[n] = readl(devpriv->dio_counter_iobase +
ADC_FIFO_REG) & 0xffff;
else
static int ai_config_calibration_source(struct comedi_device *dev,
unsigned int *data)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
struct pcidas64_private *devpriv = dev->private;
unsigned int source = data[1];
int num_calibration_sources;
- if (board(dev)->layout == LAYOUT_60XX)
+ if (thisboard->layout == LAYOUT_60XX)
num_calibration_sources = 16;
else
num_calibration_sources = 8;
static int ai_config_block_size(struct comedi_device *dev, unsigned int *data)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
int fifo_size;
- const struct hw_fifo_info *const fifo = board(dev)->ai_fifo;
+ const struct hw_fifo_info *const fifo = thisboard->ai_fifo;
unsigned int block_size, requested_block_size;
int retval;
/* XXX could add support for 60xx series */
static int ai_config_master_clock(struct comedi_device *dev, unsigned int *data)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
- switch (board(dev)->layout) {
+ switch (thisboard->layout) {
case LAYOUT_4020:
return ai_config_master_clock_4020(dev, data);
break;
static int ai_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_cmd *cmd)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
int err = 0;
unsigned int tmp_arg, tmp_arg2;
int i;
err |= cfc_check_trigger_src(&cmd->start_src, TRIG_NOW | TRIG_EXT);
triggers = TRIG_TIMER;
- if (board(dev)->layout == LAYOUT_4020)
+ if (thisboard->layout == LAYOUT_4020)
triggers |= TRIG_OTHER;
else
triggers |= TRIG_FOLLOW;
err |= cfc_check_trigger_src(&cmd->scan_begin_src, triggers);
triggers = TRIG_TIMER;
- if (board(dev)->layout == LAYOUT_4020)
+ if (thisboard->layout == LAYOUT_4020)
triggers |= TRIG_NOW;
else
triggers |= TRIG_EXT;
/* step 3: make sure arguments are trivially compatible */
if (cmd->convert_src == TRIG_TIMER) {
- if (board(dev)->layout == LAYOUT_4020) {
+ if (thisboard->layout == LAYOUT_4020) {
if (cmd->convert_arg) {
cmd->convert_arg = 0;
err++;
}
} else {
- if (cmd->convert_arg < board(dev)->ai_speed) {
- cmd->convert_arg = board(dev)->ai_speed;
+ if (cmd->convert_arg < thisboard->ai_speed) {
+ cmd->convert_arg = thisboard->ai_speed;
err++;
}
if (cmd->scan_begin_src == TRIG_TIMER) {
}
}
/* check 4020 chanlist */
- if (board(dev)->layout == LAYOUT_4020) {
+ if (thisboard->layout == LAYOUT_4020) {
unsigned int first_channel = CR_CHAN(cmd->chanlist[0]);
for (i = 1; i < cmd->chanlist_len; i++) {
if (CR_CHAN(cmd->chanlist[i]) !=
static inline unsigned int dma_transfer_size(struct comedi_device *dev)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
struct pcidas64_private *devpriv = dev->private;
unsigned int num_samples;
num_samples = devpriv->ai_fifo_segment_length *
- board(dev)->ai_fifo->sample_packing_ratio;
+ thisboard->ai_fifo->sample_packing_ratio;
if (num_samples > DMA_BUFFER_SIZE / sizeof(uint16_t))
num_samples = DMA_BUFFER_SIZE / sizeof(uint16_t);
static void enable_ai_interrupts(struct comedi_device *dev,
const struct comedi_cmd *cmd)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
struct pcidas64_private *devpriv = dev->private;
uint32_t bits;
unsigned long flags;
* if TRIG_WAKE_EOS flag is set. */
if (cmd->flags & TRIG_WAKE_EOS) {
/* 4020 doesn't support pio transfers except for fifo dregs */
- if (board(dev)->layout != LAYOUT_4020)
+ if (thisboard->layout != LAYOUT_4020)
bits |= ADC_INTR_EOSCAN_BITS | EN_ADC_INTR_SRC_BIT;
}
spin_lock_irqsave(&dev->spinlock, flags);
static void select_master_clock(struct comedi_device *dev,
const struct comedi_cmd *cmd)
{
- switch (board(dev)->layout) {
+ const struct pcidas64_board *thisboard = comedi_board(dev);
+
+ switch (thisboard->layout) {
case LAYOUT_4020:
select_master_clock_4020(dev, cmd);
break;
static void set_ai_pacing(struct comedi_device *dev, struct comedi_cmd *cmd)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
struct pcidas64_private *devpriv = dev->private;
uint32_t convert_counter = 0, scan_counter = 0;
select_master_clock(dev, cmd);
- if (board(dev)->layout == LAYOUT_4020) {
+ if (thisboard->layout == LAYOUT_4020) {
convert_counter = ai_convert_counter_4020(dev, cmd);
} else {
convert_counter = ai_convert_counter_6xxx(dev, cmd);
static int setup_channel_queue(struct comedi_device *dev,
const struct comedi_cmd *cmd)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
struct pcidas64_private *devpriv = dev->private;
unsigned short bits;
int i;
- if (board(dev)->layout != LAYOUT_4020) {
+ if (thisboard->layout != LAYOUT_4020) {
if (use_internal_queue_6xxx(cmd)) {
devpriv->hw_config_bits &= ~EXT_QUEUE_BIT;
writew(devpriv->hw_config_bits,
static int ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
struct pcidas64_private *devpriv = dev->private;
struct comedi_async *async = s->async;
struct comedi_cmd *cmd = &async->cmd;
/* set mode, allow conversions through software gate */
devpriv->adc_control1_bits |= ADC_SW_GATE_BIT;
devpriv->adc_control1_bits &= ~ADC_DITHER_BIT;
- if (board(dev)->layout != LAYOUT_4020) {
+ if (thisboard->layout != LAYOUT_4020) {
devpriv->adc_control1_bits &= ~ADC_MODE_MASK;
if (cmd->convert_src == TRIG_EXT)
/* good old mode 13 */
writew(0, devpriv->main_iobase + ADC_BUFFER_CLEAR_REG);
if ((cmd->flags & TRIG_WAKE_EOS) == 0 ||
- board(dev)->layout == LAYOUT_4020) {
+ thisboard->layout == LAYOUT_4020) {
devpriv->ai_dma_index = 0;
/* set dma transfer size */
- for (i = 0; i < ai_dma_ring_count(board(dev)); i++)
+ for (i = 0; i < ai_dma_ring_count(thisboard); i++)
devpriv->ai_dma_desc[i].transfer_size =
cpu_to_le32(dma_transfer_size(dev) *
sizeof(uint16_t));
dma_start_sync(dev, 1);
}
- if (board(dev)->layout == LAYOUT_4020) {
+ if (thisboard->layout == LAYOUT_4020) {
/* set source for external triggers */
bits = 0;
if (cmd->start_src == TRIG_EXT && CR_CHAN(cmd->start_arg))
/* empty fifo */
static void pio_drain_ai_fifo(struct comedi_device *dev)
{
- if (board(dev)->layout == LAYOUT_4020)
+ const struct pcidas64_board *thisboard = comedi_board(dev);
+
+ if (thisboard->layout == LAYOUT_4020)
pio_drain_ai_fifo_32(dev);
else
pio_drain_ai_fifo_16(dev);
static void drain_dma_buffers(struct comedi_device *dev, unsigned int channel)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
struct pcidas64_private *devpriv = dev->private;
struct comedi_async *async = dev->read_subdev->async;
uint32_t next_transfer_addr;
devpriv->ai_buffer_bus_addr[devpriv->ai_dma_index] ||
next_transfer_addr >=
devpriv->ai_buffer_bus_addr[devpriv->ai_dma_index] +
- DMA_BUFFER_SIZE) && j < ai_dma_ring_count(board(dev)); j++) {
+ DMA_BUFFER_SIZE) && j < ai_dma_ring_count(thisboard); j++) {
/* transfer data from dma buffer to comedi buffer */
num_samples = dma_transfer_size(dev);
if (async->cmd.stop_src == TRIG_COUNT) {
ai_dma_index],
num_samples * sizeof(uint16_t));
devpriv->ai_dma_index = (devpriv->ai_dma_index + 1) %
- ai_dma_ring_count(board(dev));
+ ai_dma_ring_count(thisboard);
DEBUG_PRINT("next buffer addr 0x%lx\n",
(unsigned long)devpriv->
unsigned short status,
unsigned int plx_status)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
struct pcidas64_private *devpriv = dev->private;
struct comedi_subdevice *s = dev->read_subdev;
struct comedi_async *async = s->async;
if ((status & ADC_DONE_BIT) ||
((cmd->flags & TRIG_WAKE_EOS) &&
(status & ADC_INTR_PENDING_BIT) &&
- (board(dev)->layout != LAYOUT_4020))) {
+ (thisboard->layout != LAYOUT_4020))) {
DEBUG_PRINT("pio fifo drain\n");
spin_lock_irqsave(&dev->spinlock, flags);
if (devpriv->ai_cmd_running) {
static int ao_winsn(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
struct pcidas64_private *devpriv = dev->private;
int chan = CR_CHAN(insn->chanspec);
int range = CR_RANGE(insn->chanspec);
devpriv->main_iobase + DAC_CONTROL1_REG);
/* write to channel */
- if (board(dev)->layout == LAYOUT_4020) {
+ if (thisboard->layout == LAYOUT_4020) {
writew(data[0] & 0xff,
devpriv->main_iobase + dac_lsb_4020_reg(chan));
writew((data[0] >> 8) & 0xf,
static inline int external_ai_queue_in_use(struct comedi_device *dev)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
+
if (dev->read_subdev->busy)
return 0;
- if (board(dev)->layout == LAYOUT_4020)
+ if (thisboard->layout == LAYOUT_4020)
return 0;
else if (use_internal_queue_6xxx(&dev->read_subdev->async->cmd))
return 0;
static int ao_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_cmd *cmd)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
int err = 0;
unsigned int tmp_arg;
int i;
/* step 3: make sure arguments are trivially compatible */
if (cmd->scan_begin_src == TRIG_TIMER) {
- if (cmd->scan_begin_arg < board(dev)->ao_scan_speed) {
- cmd->scan_begin_arg = board(dev)->ao_scan_speed;
+ if (cmd->scan_begin_arg < thisboard->ao_scan_speed) {
+ cmd->scan_begin_arg = thisboard->ao_scan_speed;
err++;
}
if (get_ao_divisor(cmd->scan_begin_arg,
static void caldac_write(struct comedi_device *dev, unsigned int channel,
unsigned int value)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
struct pcidas64_private *devpriv = dev->private;
devpriv->caldac_state[channel] = value;
- switch (board(dev)->layout) {
+ switch (thisboard->layout) {
case LAYOUT_60XX:
case LAYOUT_64XX:
caldac_8800_write(dev, channel, value);
*/
static void check_adc_timing(struct comedi_device *dev, struct comedi_cmd *cmd)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
unsigned int convert_divisor = 0, scan_divisor;
static const int min_convert_divisor = 3;
static const int max_convert_divisor =
unsigned long long max_scan_divisor, min_scan_divisor;
if (cmd->convert_src == TRIG_TIMER) {
- if (board(dev)->layout == LAYOUT_4020) {
+ if (thisboard->layout == LAYOUT_4020) {
cmd->convert_arg = 0;
} else {
convert_divisor = get_divisor(cmd->convert_arg,
/* adjusts the size of hardware fifo (which determines block size for dma xfers) */
static int set_ai_fifo_size(struct comedi_device *dev, unsigned int num_samples)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
unsigned int num_fifo_entries;
int retval;
- const struct hw_fifo_info *const fifo = board(dev)->ai_fifo;
+ const struct hw_fifo_info *const fifo = thisboard->ai_fifo;
num_fifo_entries = num_samples / fifo->sample_packing_ratio;
/* query length of fifo */
static unsigned int ai_fifo_size(struct comedi_device *dev)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
struct pcidas64_private *devpriv = dev->private;
return devpriv->ai_fifo_segment_length *
- board(dev)->ai_fifo->num_segments *
- board(dev)->ai_fifo->sample_packing_ratio;
+ thisboard->ai_fifo->num_segments *
+ thisboard->ai_fifo->sample_packing_ratio;
}
static int set_ai_fifo_segment_length(struct comedi_device *dev,
unsigned int num_entries)
{
+ const struct pcidas64_board *thisboard = comedi_board(dev);
struct pcidas64_private *devpriv = dev->private;
static const int increment_size = 0x100;
- const struct hw_fifo_info *const fifo = board(dev)->ai_fifo;
+ const struct hw_fifo_info *const fifo = thisboard->ai_fifo;
unsigned int num_increments;
uint16_t bits;
projects / users / hch / block.git / commitdiff