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-rw-r--r--drivers/staging/comedi/drivers/ni_atmio16d.c106
1 files changed, 47 insertions, 59 deletions
diff --git a/drivers/staging/comedi/drivers/ni_atmio16d.c b/drivers/staging/comedi/drivers/ni_atmio16d.c
index c3eb546..fb59b0f 100644
--- a/drivers/staging/comedi/drivers/ni_atmio16d.c
+++ b/drivers/staging/comedi/drivers/ni_atmio16d.c
@@ -1,25 +1,41 @@
/*
- comedi/drivers/ni_atmio16d.c
- Hardware driver for National Instruments AT-MIO16D board
- Copyright (C) 2000 Chris R. Baugher <baugher@enteract.com>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
+ * Comedi driver for National Instruments AT-MIO16D board
+ * Copyright (C) 2000 Chris R. Baugher <baugher@enteract.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
*/
+
/*
-Driver: ni_atmio16d
-Description: National Instruments AT-MIO-16D
-Author: Chris R. Baugher <baugher@enteract.com>
-Status: unknown
-Devices: [National Instruments] AT-MIO-16 (atmio16), AT-MIO-16D (atmio16d)
-*/
+ * Driver: ni_atmio16d
+ * Description: National Instruments AT-MIO-16D
+ * Author: Chris R. Baugher <baugher@enteract.com>
+ * Status: unknown
+ * Devices: [National Instruments] AT-MIO-16 (atmio16), AT-MIO-16D (atmio16d)
+ *
+ * Configuration options:
+ * [0] - I/O port
+ * [1] - MIO irq (0 == no irq; or 3,4,5,6,7,9,10,11,12,14,15)
+ * [2] - DIO irq (0 == no irq; or 3,4,5,6,7,9)
+ * [3] - DMA1 channel (0 == no DMA; or 5,6,7)
+ * [4] - DMA2 channel (0 == no DMA; or 5,6,7)
+ * [5] - a/d mux (0=differential; 1=single)
+ * [6] - a/d range (0=bipolar10; 1=bipolar5; 2=unipolar10)
+ * [7] - dac0 range (0=bipolar; 1=unipolar)
+ * [8] - dac0 reference (0=internal; 1=external)
+ * [9] - dac0 coding (0=2's comp; 1=straight binary)
+ * [10] - dac1 range (same as dac0 options)
+ * [11] - dac1 reference (same as dac0 options)
+ * [12] - dac1 coding (same as dac0 options)
+ */
+
/*
* I must give credit here to Michal Dobes <dobes@tesnet.cz> who
* wrote the driver for Advantec's pcl812 boards. I used the interrupt
@@ -295,8 +311,10 @@ static int atmio16d_ai_cmd(struct comedi_device *dev,
unsigned int sample_count, tmp, chan, gain;
int i;
- /* This is slowly becoming a working command interface. *
- * It is still uber-experimental */
+ /*
+ * This is slowly becoming a working command interface.
+ * It is still uber-experimental
+ */
reset_counters(dev);
@@ -322,9 +340,10 @@ static int atmio16d_ai_cmd(struct comedi_device *dev,
outw(tmp, dev->iobase + MUX_GAIN_REG);
}
- /* Now program the sample interval timer */
- /* Figure out which clock to use then get an
- * appropriate timer value */
+ /*
+ * Now program the sample interval timer.
+ * Figure out which clock to use then get an appropriate timer value.
+ */
if (cmd->convert_arg < 65536000) {
base_clock = CLOCK_1_MHZ;
timer = cmd->convert_arg / 1000;
@@ -386,9 +405,10 @@ static int atmio16d_ai_cmd(struct comedi_device *dev,
outw(devpriv->com_reg_1_state, dev->iobase + COM_REG_1);
}
- /* Program the scan interval timer ONLY IF SCANNING IS ENABLED */
- /* Figure out which clock to use then get an
- * appropriate timer value */
+ /*
+ * Program the scan interval timer ONLY IF SCANNING IS ENABLED.
+ * Figure out which clock to use then get an appropriate timer value.
+ */
if (cmd->chanlist_len > 1) {
if (cmd->scan_begin_arg < 65536000) {
base_clock = CLOCK_1_MHZ;
@@ -566,38 +586,6 @@ static int atmio16d_dio_insn_config(struct comedi_device *dev,
return insn->n;
}
-/*
- options[0] - I/O port
- options[1] - MIO irq
- 0 == no irq
- N == irq N {3,4,5,6,7,9,10,11,12,14,15}
- options[2] - DIO irq
- 0 == no irq
- N == irq N {3,4,5,6,7,9}
- options[3] - DMA1 channel
- 0 == no DMA
- N == DMA N {5,6,7}
- options[4] - DMA2 channel
- 0 == no DMA
- N == DMA N {5,6,7}
-
- options[5] - a/d mux
- 0=differential, 1=single
- options[6] - a/d range
- 0=bipolar10, 1=bipolar5, 2=unipolar10
-
- options[7] - dac0 range
- 0=bipolar, 1=unipolar
- options[8] - dac0 reference
- 0=internal, 1=external
- options[9] - dac0 coding
- 0=2's comp, 1=straight binary
-
- options[10] - dac1 range
- options[11] - dac1 reference
- options[12] - dac1 coding
- */
-
static int atmio16d_attach(struct comedi_device *dev,
struct comedi_devconfig *it)
{
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