trying to debug location of fifo on 4020

diff --git a/comedi/drivers/cb_pcidas64.c b/comedi/drivers/cb_pcidas64.c
index 1df1f1b228563a3ab7cae3477637b7b743c192c9..1ac1d409a6f57f4fc8fa8bd11c2a6a97fa61671a 100644 (file)
--- a/comedi/drivers/cb_pcidas64.c
+++ b/comedi/drivers/cb_pcidas64.c
@@ -939,7 +939,9 @@ found:
        /* analog input subdevice */
        dev->read_subdev = s;
        s->type = COMEDI_SUBD_AI;
-       s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_COMMON | SDF_DIFF | SDF_OTHER;
+       s->subdev_flags = SDF_READABLE | SDF_GROUND;
+       if(board(dev)->layout != LAYOUT_4020)
+               s->subdev_flags |= SDF_COMMON | SDF_DIFF;
        /* XXX Number of inputs in differential mode is ignored */
        s->n_chan = board(dev)->ai_se_chans;
        s->len_chanlist = 0x2000;
@@ -1618,8 +1620,6 @@ static void pio_drain_ai_fifo_32(comedi_device *dev, unsigned int num_samples)
        unsigned int i;
        u32 fifo_data;
 
-       DEBUG_PRINT(" read %i samples from fifo\n", num_samples);
-
        private(dev)->ai_count -= num_samples;
 
        for(i = 0; i < num_samples / 2; i++)
@@ -1627,6 +1627,8 @@ static void pio_drain_ai_fifo_32(comedi_device *dev, unsigned int num_samples)
                fifo_data = readl(private(dev)->dio_counter_iobase);
                comedi_buf_put(async, fifo_data & 0xffff);
                comedi_buf_put(async, (fifo_data >> 16) & 0xffff);
+               DEBUG_PRINT(" rptr 0x%i wptr 0x%x\n", readw(private(dev)->main_iobase + ADC_READ_PNTR_REG),
+                       readw(private(dev)->main_iobase + ADC_WRITE_PNTR_REG));
        }
 }