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staging: comedi: daqboard2000: Use preferred comment style
Use the preferred block comment style for the copyright and driver description header comments. Signed-off-by: Arno Tiemersma <arno.tiemersma@gmail.com> Reviewed-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Arno Tiemersma
committed by
Greg Kroah-Hartman
Greg Kroah-Hartman
parent
cbba89f8a8
commit
12cba5c9df
@@ -1,105 +1,105 @@
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/*
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comedi/drivers/daqboard2000.c
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hardware driver for IOtech DAQboard/2000
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COMEDI - Linux Control and Measurement Device Interface
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Copyright (C) 1999 Anders Blomdell <anders.blomdell@control.lth.se>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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* comedi/drivers/daqboard2000.c
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* hardware driver for IOtech DAQboard/2000
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*
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* COMEDI - Linux Control and Measurement Device Interface
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* Copyright (C) 1999 Anders Blomdell <anders.blomdell@control.lth.se>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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/*
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Driver: daqboard2000
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Description: IOTech DAQBoard/2000
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Author: Anders Blomdell <anders.blomdell@control.lth.se>
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Status: works
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Updated: Mon, 14 Apr 2008 15:28:52 +0100
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Devices: [IOTech] DAQBoard/2000 (daqboard2000)
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Much of the functionality of this driver was determined from reading
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the source code for the Windows driver.
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The FPGA on the board requires fimware, which is available from
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http://www.comedi.org in the comedi_nonfree_firmware tarball.
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Configuration options: not applicable, uses PCI auto config
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*/
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* Driver: daqboard2000
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* Description: IOTech DAQBoard/2000
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* Author: Anders Blomdell <anders.blomdell@control.lth.se>
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* Status: works
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* Updated: Mon, 14 Apr 2008 15:28:52 +0100
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* Devices: [IOTech] DAQBoard/2000 (daqboard2000)
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*
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* Much of the functionality of this driver was determined from reading
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* the source code for the Windows driver.
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*
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* The FPGA on the board requires fimware, which is available from
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* http://www.comedi.org in the comedi_nonfree_firmware tarball.
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*
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* Configuration options: not applicable, uses PCI auto config
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*/
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/*
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This card was obviously never intended to leave the Windows world,
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since it lacked all kind of hardware documentation (except for cable
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pinouts, plug and pray has something to catch up with yet).
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With some help from our swedish distributor, we got the Windows sourcecode
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for the card, and here are the findings so far.
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1. A good document that describes the PCI interface chip is 9080db-106.pdf
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available from http://www.plxtech.com/products/io/pci9080
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2. The initialization done so far is:
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a. program the FPGA (windows code sans a lot of error messages)
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b.
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3. Analog out seems to work OK with DAC's disabled, if DAC's are enabled,
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you have to output values to all enabled DAC's until result appears, I
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guess that it has something to do with pacer clocks, but the source
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gives me no clues. I'll keep it simple so far.
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4. Analog in.
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Each channel in the scanlist seems to be controlled by four
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control words:
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Word0:
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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! | | | ! | | | ! | | | ! | | | !
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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Word1:
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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! | | | ! | | | ! | | | ! | | | !
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| | | | | | |
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+------+------+ | | | | +-- Digital input (??)
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| | | | +---- 10 us settling time
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| | | +------ Suspend acquisition (last to scan)
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| | +-------- Simultaneous sample and hold
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| +---------- Signed data format
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+------------------------- Correction offset low
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Word2:
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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! | | | ! | | | ! | | | ! | | | !
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| | | | | | | | | |
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+-----+ +--+--+ +++ +++ +--+--+
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| | | | +----- Expansion channel
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| | | +----------- Expansion gain
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| | +--------------- Channel (low)
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| +--------------------- Correction offset high
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+----------------------------- Correction gain low
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Word3:
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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! | | | ! | | | ! | | | ! | | | !
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| | | | | | | | |
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+------+------+ | | +-+-+ | | +-- Low bank enable
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| | | | | +---- High bank enable
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| | | | +------ Hi/low select
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| | | +---------- Gain (1,?,2,4,8,16,32,64)
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| | +-------------- differential/single ended
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| +---------------- Unipolar
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+------------------------- Correction gain high
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999. The card seems to have an incredible amount of capabilities, but
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trying to reverse engineer them from the Windows source is beyond my
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patience.
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* This card was obviously never intended to leave the Windows world,
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* since it lacked all kind of hardware documentation (except for cable
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* pinouts, plug and pray has something to catch up with yet).
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*
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* With some help from our swedish distributor, we got the Windows sourcecode
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* for the card, and here are the findings so far.
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*
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* 1. A good document that describes the PCI interface chip is 9080db-106.pdf
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* available from http://www.plxtech.com/products/io/pci9080
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*
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* 2. The initialization done so far is:
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* a. program the FPGA (windows code sans a lot of error messages)
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* b.
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*
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* 3. Analog out seems to work OK with DAC's disabled, if DAC's are enabled,
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* you have to output values to all enabled DAC's until result appears, I
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* guess that it has something to do with pacer clocks, but the source
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* gives me no clues. I'll keep it simple so far.
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*
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* 4. Analog in.
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* Each channel in the scanlist seems to be controlled by four
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* control words:
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*
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* Word0:
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* ! | | | ! | | | ! | | | ! | | | !
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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*
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* Word1:
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* ! | | | ! | | | ! | | | ! | | | !
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | | | | | | |
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* +------+------+ | | | | +-- Digital input (??)
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* | | | | +---- 10 us settling time
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* | | | +------ Suspend acquisition (last to scan)
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* | | +-------- Simultaneous sample and hold
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* | +---------- Signed data format
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* +------------------------- Correction offset low
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*
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* Word2:
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* ! | | | ! | | | ! | | | ! | | | !
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | | | | | | | | | |
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* +-----+ +--+--+ +++ +++ +--+--+
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* | | | | +----- Expansion channel
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* | | | +----------- Expansion gain
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* | | +--------------- Channel (low)
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* | +--------------------- Correction offset high
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* +----------------------------- Correction gain low
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* Word3:
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* ! | | | ! | | | ! | | | ! | | | !
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | | | | | | | | |
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* +------+------+ | | +-+-+ | | +-- Low bank enable
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* | | | | | +---- High bank enable
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* | | | | +------ Hi/low select
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* | | | +---------- Gain (1,?,2,4,8,16,32,64)
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* | | +-------------- differential/single ended
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* | +---------------- Unipolar
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* +------------------------- Correction gain high
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*
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* 999. The card seems to have an incredible amount of capabilities, but
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* trying to reverse engineer them from the Windows source is beyond my
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* patience.
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*
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*/
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#include <linux/module.h>
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