unsigned int ai_cmd_canceled:1;
};
+static void pcl816_isadma_program(unsigned int dma_chan,
+ struct pcl816_dma_desc *dma)
+{
+ unsigned long flags;
+
+ flags = claim_dma_lock();
+ clear_dma_ff(dma_chan);
+ set_dma_mode(dma_chan, DMA_MODE_READ);
+ set_dma_addr(dma_chan, dma->hw_addr);
+ set_dma_count(dma_chan, dma->size);
+ enable_dma(dma_chan);
+ release_dma_lock(flags);
+}
+
static void pcl816_start_pacer(struct comedi_device *dev, bool load_counters)
{
struct pcl816_private *devpriv = dev->private;
struct pcl816_private *devpriv = dev->private;
struct pcl816_dma_desc *dma = &devpriv->dma_desc[0];
struct comedi_cmd *cmd = &s->async->cmd;
- unsigned int dma_flags;
if (cmd->stop_src == TRIG_COUNT) {
/* how many */
}
devpriv->cur_dma = 0;
- set_dma_mode(devpriv->dma, DMA_MODE_READ);
- dma_flags = claim_dma_lock();
- clear_dma_ff(devpriv->dma);
- set_dma_addr(devpriv->dma, dma->hw_addr);
- set_dma_count(devpriv->dma, dma->size);
- release_dma_lock(dma_flags);
- enable_dma(devpriv->dma);
+
+ pcl816_isadma_program(devpriv->dma, dma);
}
static void pcl816_ai_setup_next_dma(struct comedi_device *dev,
struct pcl816_private *devpriv = dev->private;
struct comedi_cmd *cmd = &s->async->cmd;
struct pcl816_dma_desc *dma;
- unsigned long dma_flags;
disable_dma(devpriv->dma);
if (devpriv->dma_runs_to_end > -1 || cmd->stop_src == TRIG_NONE) {
dma->size = devpriv->hwdmasize;
else
dma->size = devpriv->last_dma_run;
- set_dma_mode(devpriv->dma, DMA_MODE_READ);
- dma_flags = claim_dma_lock();
- set_dma_addr(devpriv->dma, dma->hw_addr);
- set_dma_count(devpriv->dma, dma->size);
- release_dma_lock(dma_flags);
- enable_dma(devpriv->dma);
+
+ pcl816_isadma_program(devpriv->dma, dma);
}
devpriv->dma_runs_to_end--;