761 lines
22 KiB
C
761 lines
22 KiB
C
/*
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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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*
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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 firmware, 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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*
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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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#include <linux/delay.h>
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#include <linux/interrupt.h>
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#include "../comedi_pci.h"
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#include "8255.h"
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#define DAQBOARD2000_FIRMWARE "daqboard2000_firmware.bin"
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#define DAQBOARD2000_SUBSYSTEM_IDS2 0x0002 /* Daqboard/2000 - 2 Dacs */
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#define DAQBOARD2000_SUBSYSTEM_IDS4 0x0004 /* Daqboard/2000 - 4 Dacs */
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/* Initialization bits for the Serial EEPROM Control Register */
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#define DAQBOARD2000_SECRProgPinHi 0x8001767e
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#define DAQBOARD2000_SECRProgPinLo 0x8000767e
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#define DAQBOARD2000_SECRLocalBusHi 0xc000767e
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#define DAQBOARD2000_SECRLocalBusLo 0x8000767e
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#define DAQBOARD2000_SECRReloadHi 0xa000767e
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#define DAQBOARD2000_SECRReloadLo 0x8000767e
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/* SECR status bits */
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#define DAQBOARD2000_EEPROM_PRESENT 0x10000000
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/* CPLD status bits */
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#define DAQBOARD2000_CPLD_INIT 0x0002
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#define DAQBOARD2000_CPLD_DONE 0x0004
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static const struct comedi_lrange range_daqboard2000_ai = {
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13, {
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BIP_RANGE(10),
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BIP_RANGE(5),
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BIP_RANGE(2.5),
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BIP_RANGE(1.25),
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BIP_RANGE(0.625),
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BIP_RANGE(0.3125),
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BIP_RANGE(0.156),
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UNI_RANGE(10),
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UNI_RANGE(5),
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UNI_RANGE(2.5),
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UNI_RANGE(1.25),
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UNI_RANGE(0.625),
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UNI_RANGE(0.3125)
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}
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};
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/*
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* Register Memory Map
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*/
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#define acqControl 0x00 /* u16 */
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#define acqScanListFIFO 0x02 /* u16 */
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#define acqPacerClockDivLow 0x04 /* u32 */
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#define acqScanCounter 0x08 /* u16 */
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#define acqPacerClockDivHigh 0x0a /* u16 */
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#define acqTriggerCount 0x0c /* u16 */
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#define acqResultsFIFO 0x10 /* u16 */
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#define acqResultsShadow 0x14 /* u16 */
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#define acqAdcResult 0x18 /* u16 */
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#define dacScanCounter 0x1c /* u16 */
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#define dacControl 0x20 /* u16 */
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#define dacFIFO 0x24 /* s16 */
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#define dacPacerClockDiv 0x2a /* u16 */
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#define refDacs 0x2c /* u16 */
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#define dioControl 0x30 /* u16 */
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#define dioP3hsioData 0x32 /* s16 */
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#define dioP3Control 0x34 /* u16 */
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#define calEepromControl 0x36 /* u16 */
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#define dacSetting(x) (0x38 + (x)*2) /* s16 */
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#define dioP2ExpansionIO8Bit 0x40 /* s16 */
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#define ctrTmrControl 0x80 /* u16 */
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#define ctrInput(x) (0x88 + (x)*2) /* s16 */
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#define timerDivisor(x) (0xa0 + (x)*2) /* u16 */
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#define dmaControl 0xb0 /* u16 */
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#define trigControl 0xb2 /* u16 */
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#define calEeprom 0xb8 /* u16 */
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#define acqDigitalMark 0xba /* u16 */
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#define trigDacs 0xbc /* u16 */
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#define dioP2ExpansionIO16Bit(x) (0xc0 + (x)*2) /* s16 */
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/* Scan Sequencer programming */
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#define DAQBOARD2000_SeqStartScanList 0x0011
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#define DAQBOARD2000_SeqStopScanList 0x0010
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/* Prepare for acquisition */
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#define DAQBOARD2000_AcqResetScanListFifo 0x0004
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#define DAQBOARD2000_AcqResetResultsFifo 0x0002
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#define DAQBOARD2000_AcqResetConfigPipe 0x0001
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/* Acqusition status bits */
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#define DAQBOARD2000_AcqResultsFIFOMore1Sample 0x0001
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#define DAQBOARD2000_AcqResultsFIFOHasValidData 0x0002
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#define DAQBOARD2000_AcqResultsFIFOOverrun 0x0004
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#define DAQBOARD2000_AcqLogicScanning 0x0008
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#define DAQBOARD2000_AcqConfigPipeFull 0x0010
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#define DAQBOARD2000_AcqScanListFIFOEmpty 0x0020
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#define DAQBOARD2000_AcqAdcNotReady 0x0040
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#define DAQBOARD2000_ArbitrationFailure 0x0080
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#define DAQBOARD2000_AcqPacerOverrun 0x0100
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#define DAQBOARD2000_DacPacerOverrun 0x0200
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#define DAQBOARD2000_AcqHardwareError 0x01c0
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/* Scan Sequencer programming */
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#define DAQBOARD2000_SeqStartScanList 0x0011
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#define DAQBOARD2000_SeqStopScanList 0x0010
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/* Pacer Clock Control */
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#define DAQBOARD2000_AdcPacerInternal 0x0030
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#define DAQBOARD2000_AdcPacerExternal 0x0032
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#define DAQBOARD2000_AdcPacerEnable 0x0031
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#define DAQBOARD2000_AdcPacerEnableDacPacer 0x0034
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#define DAQBOARD2000_AdcPacerDisable 0x0030
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#define DAQBOARD2000_AdcPacerNormalMode 0x0060
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#define DAQBOARD2000_AdcPacerCompatibilityMode 0x0061
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#define DAQBOARD2000_AdcPacerInternalOutEnable 0x0008
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#define DAQBOARD2000_AdcPacerExternalRising 0x0100
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/* DAC status */
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#define DAQBOARD2000_DacFull 0x0001
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#define DAQBOARD2000_RefBusy 0x0002
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#define DAQBOARD2000_TrgBusy 0x0004
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#define DAQBOARD2000_CalBusy 0x0008
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#define DAQBOARD2000_Dac0Busy 0x0010
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#define DAQBOARD2000_Dac1Busy 0x0020
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#define DAQBOARD2000_Dac2Busy 0x0040
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#define DAQBOARD2000_Dac3Busy 0x0080
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/* DAC control */
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#define DAQBOARD2000_Dac0Enable 0x0021
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#define DAQBOARD2000_Dac1Enable 0x0031
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#define DAQBOARD2000_Dac2Enable 0x0041
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#define DAQBOARD2000_Dac3Enable 0x0051
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#define DAQBOARD2000_DacEnableBit 0x0001
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#define DAQBOARD2000_Dac0Disable 0x0020
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#define DAQBOARD2000_Dac1Disable 0x0030
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#define DAQBOARD2000_Dac2Disable 0x0040
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#define DAQBOARD2000_Dac3Disable 0x0050
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#define DAQBOARD2000_DacResetFifo 0x0004
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#define DAQBOARD2000_DacPatternDisable 0x0060
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#define DAQBOARD2000_DacPatternEnable 0x0061
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#define DAQBOARD2000_DacSelectSignedData 0x0002
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#define DAQBOARD2000_DacSelectUnsignedData 0x0000
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/* Trigger Control */
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#define DAQBOARD2000_TrigAnalog 0x0000
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#define DAQBOARD2000_TrigTTL 0x0010
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#define DAQBOARD2000_TrigTransHiLo 0x0004
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#define DAQBOARD2000_TrigTransLoHi 0x0000
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#define DAQBOARD2000_TrigAbove 0x0000
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#define DAQBOARD2000_TrigBelow 0x0004
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#define DAQBOARD2000_TrigLevelSense 0x0002
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#define DAQBOARD2000_TrigEdgeSense 0x0000
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#define DAQBOARD2000_TrigEnable 0x0001
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#define DAQBOARD2000_TrigDisable 0x0000
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/* Reference Dac Selection */
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#define DAQBOARD2000_PosRefDacSelect 0x0100
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#define DAQBOARD2000_NegRefDacSelect 0x0000
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struct daq200_boardtype {
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const char *name;
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int id;
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};
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static const struct daq200_boardtype boardtypes[] = {
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{"ids2", DAQBOARD2000_SUBSYSTEM_IDS2},
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{"ids4", DAQBOARD2000_SUBSYSTEM_IDS4},
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};
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struct daqboard2000_private {
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enum {
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card_daqboard_2000
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} card;
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void __iomem *plx;
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};
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static void writeAcqScanListEntry(struct comedi_device *dev, u16 entry)
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{
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/* udelay(4); */
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writew(entry & 0x00ff, dev->mmio + acqScanListFIFO);
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/* udelay(4); */
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writew((entry >> 8) & 0x00ff, dev->mmio + acqScanListFIFO);
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}
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static void setup_sampling(struct comedi_device *dev, int chan, int gain)
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{
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u16 word0, word1, word2, word3;
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/* Channel 0-7 diff, channel 8-23 single ended */
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word0 = 0;
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word1 = 0x0004; /* Last scan */
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word2 = (chan << 6) & 0x00c0;
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switch (chan / 4) {
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case 0:
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word3 = 0x0001;
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break;
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case 1:
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word3 = 0x0002;
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break;
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case 2:
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word3 = 0x0005;
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break;
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case 3:
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word3 = 0x0006;
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break;
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case 4:
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word3 = 0x0041;
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break;
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case 5:
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word3 = 0x0042;
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break;
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default:
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word3 = 0;
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break;
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}
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/*
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dev->eeprom.correctionDACSE[i][j][k].offset = 0x800;
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dev->eeprom.correctionDACSE[i][j][k].gain = 0xc00;
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*/
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/* These should be read from EEPROM */
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word2 |= 0x0800;
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word3 |= 0xc000;
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writeAcqScanListEntry(dev, word0);
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writeAcqScanListEntry(dev, word1);
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writeAcqScanListEntry(dev, word2);
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writeAcqScanListEntry(dev, word3);
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}
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static int daqboard2000_ai_status(struct comedi_device *dev,
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struct comedi_subdevice *s,
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struct comedi_insn *insn,
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unsigned long context)
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{
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unsigned int status;
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status = readw(dev->mmio + acqControl);
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if (status & context)
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return 0;
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return -EBUSY;
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}
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static int daqboard2000_ai_insn_read(struct comedi_device *dev,
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struct comedi_subdevice *s,
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struct comedi_insn *insn,
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unsigned int *data)
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{
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int gain, chan;
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int ret;
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int i;
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writew(DAQBOARD2000_AcqResetScanListFifo |
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DAQBOARD2000_AcqResetResultsFifo |
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DAQBOARD2000_AcqResetConfigPipe, dev->mmio + acqControl);
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/*
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* If pacer clock is not set to some high value (> 10 us), we
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* risk multiple samples to be put into the result FIFO.
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*/
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/* 1 second, should be long enough */
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writel(1000000, dev->mmio + acqPacerClockDivLow);
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writew(0, dev->mmio + acqPacerClockDivHigh);
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gain = CR_RANGE(insn->chanspec);
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chan = CR_CHAN(insn->chanspec);
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/* This doesn't look efficient. I decided to take the conservative
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* approach when I did the insn conversion. Perhaps it would be
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* better to have broken it completely, then someone would have been
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* forced to fix it. --ds */
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for (i = 0; i < insn->n; i++) {
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setup_sampling(dev, chan, gain);
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/* Enable reading from the scanlist FIFO */
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writew(DAQBOARD2000_SeqStartScanList, dev->mmio + acqControl);
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ret = comedi_timeout(dev, s, insn, daqboard2000_ai_status,
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DAQBOARD2000_AcqConfigPipeFull);
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if (ret)
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return ret;
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writew(DAQBOARD2000_AdcPacerEnable, dev->mmio + acqControl);
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ret = comedi_timeout(dev, s, insn, daqboard2000_ai_status,
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DAQBOARD2000_AcqLogicScanning);
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if (ret)
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return ret;
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ret = comedi_timeout(dev, s, insn, daqboard2000_ai_status,
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DAQBOARD2000_AcqResultsFIFOHasValidData);
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if (ret)
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return ret;
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data[i] = readw(dev->mmio + acqResultsFIFO);
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writew(DAQBOARD2000_AdcPacerDisable, dev->mmio + acqControl);
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writew(DAQBOARD2000_SeqStopScanList, dev->mmio + acqControl);
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}
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return i;
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}
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static int daqboard2000_ao_eoc(struct comedi_device *dev,
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struct comedi_subdevice *s,
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struct comedi_insn *insn,
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unsigned long context)
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{
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unsigned int chan = CR_CHAN(insn->chanspec);
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unsigned int status;
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status = readw(dev->mmio + dacControl);
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if ((status & ((chan + 1) * 0x0010)) == 0)
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return 0;
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return -EBUSY;
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}
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static int daqboard2000_ao_insn_write(struct comedi_device *dev,
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struct comedi_subdevice *s,
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struct comedi_insn *insn,
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unsigned int *data)
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{
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unsigned int chan = CR_CHAN(insn->chanspec);
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int i;
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for (i = 0; i < insn->n; i++) {
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unsigned int val = data[i];
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int ret;
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writew(val, dev->mmio + dacSetting(chan));
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ret = comedi_timeout(dev, s, insn, daqboard2000_ao_eoc, 0);
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if (ret)
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return ret;
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s->readback[chan] = val;
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}
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return insn->n;
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}
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static void daqboard2000_resetLocalBus(struct comedi_device *dev)
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{
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struct daqboard2000_private *devpriv = dev->private;
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writel(DAQBOARD2000_SECRLocalBusHi, devpriv->plx + 0x6c);
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mdelay(10);
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writel(DAQBOARD2000_SECRLocalBusLo, devpriv->plx + 0x6c);
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mdelay(10);
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}
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static void daqboard2000_reloadPLX(struct comedi_device *dev)
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{
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struct daqboard2000_private *devpriv = dev->private;
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writel(DAQBOARD2000_SECRReloadLo, devpriv->plx + 0x6c);
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mdelay(10);
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writel(DAQBOARD2000_SECRReloadHi, devpriv->plx + 0x6c);
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mdelay(10);
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writel(DAQBOARD2000_SECRReloadLo, devpriv->plx + 0x6c);
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mdelay(10);
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}
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static void daqboard2000_pulseProgPin(struct comedi_device *dev)
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|
{
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struct daqboard2000_private *devpriv = dev->private;
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|
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writel(DAQBOARD2000_SECRProgPinHi, devpriv->plx + 0x6c);
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mdelay(10);
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writel(DAQBOARD2000_SECRProgPinLo, devpriv->plx + 0x6c);
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mdelay(10); /* Not in the original code, but I like symmetry... */
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}
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|
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static int daqboard2000_pollCPLD(struct comedi_device *dev, int mask)
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{
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int result = 0;
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int i;
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int cpld;
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/* timeout after 50 tries -> 5ms */
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for (i = 0; i < 50; i++) {
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cpld = readw(dev->mmio + 0x1000);
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if ((cpld & mask) == mask) {
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result = 1;
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break;
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}
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udelay(100);
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}
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udelay(5);
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return result;
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}
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static int daqboard2000_writeCPLD(struct comedi_device *dev, int data)
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{
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int result = 0;
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udelay(10);
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writew(data, dev->mmio + 0x1000);
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if ((readw(dev->mmio + 0x1000) & DAQBOARD2000_CPLD_INIT) ==
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DAQBOARD2000_CPLD_INIT) {
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result = 1;
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}
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return result;
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}
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static int initialize_daqboard2000(struct comedi_device *dev,
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const u8 *cpld_array, size_t len,
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unsigned long context)
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{
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struct daqboard2000_private *devpriv = dev->private;
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int result = -EIO;
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/* Read the serial EEPROM control register */
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int secr;
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int retry;
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size_t i;
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/* Check to make sure the serial eeprom is present on the board */
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secr = readl(devpriv->plx + 0x6c);
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if (!(secr & DAQBOARD2000_EEPROM_PRESENT))
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return -EIO;
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for (retry = 0; retry < 3; retry++) {
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daqboard2000_resetLocalBus(dev);
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daqboard2000_reloadPLX(dev);
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daqboard2000_pulseProgPin(dev);
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if (daqboard2000_pollCPLD(dev, DAQBOARD2000_CPLD_INIT)) {
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for (i = 0; i < len; i++) {
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if (cpld_array[i] == 0xff &&
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cpld_array[i + 1] == 0x20)
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break;
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}
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for (; i < len; i += 2) {
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int data =
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(cpld_array[i] << 8) + cpld_array[i + 1];
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if (!daqboard2000_writeCPLD(dev, data))
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break;
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}
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if (i >= len) {
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daqboard2000_resetLocalBus(dev);
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daqboard2000_reloadPLX(dev);
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result = 0;
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break;
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}
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}
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}
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return result;
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}
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static void daqboard2000_adcStopDmaTransfer(struct comedi_device *dev)
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{
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}
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static void daqboard2000_adcDisarm(struct comedi_device *dev)
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{
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/* Disable hardware triggers */
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udelay(2);
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writew(DAQBOARD2000_TrigAnalog | DAQBOARD2000_TrigDisable,
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dev->mmio + trigControl);
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udelay(2);
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writew(DAQBOARD2000_TrigTTL | DAQBOARD2000_TrigDisable,
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dev->mmio + trigControl);
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/* Stop the scan list FIFO from loading the configuration pipe */
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udelay(2);
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writew(DAQBOARD2000_SeqStopScanList, dev->mmio + acqControl);
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|
|
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/* Stop the pacer clock */
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udelay(2);
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writew(DAQBOARD2000_AdcPacerDisable, dev->mmio + acqControl);
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|
|
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/* Stop the input dma (abort channel 1) */
|
|
daqboard2000_adcStopDmaTransfer(dev);
|
|
}
|
|
|
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static void daqboard2000_activateReferenceDacs(struct comedi_device *dev)
|
|
{
|
|
unsigned int val;
|
|
int timeout;
|
|
|
|
/* Set the + reference dac value in the FPGA */
|
|
writew(0x80 | DAQBOARD2000_PosRefDacSelect, dev->mmio + refDacs);
|
|
for (timeout = 0; timeout < 20; timeout++) {
|
|
val = readw(dev->mmio + dacControl);
|
|
if ((val & DAQBOARD2000_RefBusy) == 0)
|
|
break;
|
|
udelay(2);
|
|
}
|
|
|
|
/* Set the - reference dac value in the FPGA */
|
|
writew(0x80 | DAQBOARD2000_NegRefDacSelect, dev->mmio + refDacs);
|
|
for (timeout = 0; timeout < 20; timeout++) {
|
|
val = readw(dev->mmio + dacControl);
|
|
if ((val & DAQBOARD2000_RefBusy) == 0)
|
|
break;
|
|
udelay(2);
|
|
}
|
|
}
|
|
|
|
static void daqboard2000_initializeCtrs(struct comedi_device *dev)
|
|
{
|
|
}
|
|
|
|
static void daqboard2000_initializeTmrs(struct comedi_device *dev)
|
|
{
|
|
}
|
|
|
|
static void daqboard2000_dacDisarm(struct comedi_device *dev)
|
|
{
|
|
}
|
|
|
|
static void daqboard2000_initializeAdc(struct comedi_device *dev)
|
|
{
|
|
daqboard2000_adcDisarm(dev);
|
|
daqboard2000_activateReferenceDacs(dev);
|
|
daqboard2000_initializeCtrs(dev);
|
|
daqboard2000_initializeTmrs(dev);
|
|
}
|
|
|
|
static void daqboard2000_initializeDac(struct comedi_device *dev)
|
|
{
|
|
daqboard2000_dacDisarm(dev);
|
|
}
|
|
|
|
static int daqboard2000_8255_cb(struct comedi_device *dev,
|
|
int dir, int port, int data,
|
|
unsigned long iobase)
|
|
{
|
|
if (dir) {
|
|
writew(data, dev->mmio + iobase + port * 2);
|
|
return 0;
|
|
}
|
|
return readw(dev->mmio + iobase + port * 2);
|
|
}
|
|
|
|
static const void *daqboard2000_find_boardinfo(struct comedi_device *dev,
|
|
struct pci_dev *pcidev)
|
|
{
|
|
const struct daq200_boardtype *board;
|
|
int i;
|
|
|
|
if (pcidev->subsystem_device != PCI_VENDOR_ID_IOTECH)
|
|
return NULL;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(boardtypes); i++) {
|
|
board = &boardtypes[i];
|
|
if (pcidev->subsystem_device == board->id)
|
|
return board;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static int daqboard2000_auto_attach(struct comedi_device *dev,
|
|
unsigned long context_unused)
|
|
{
|
|
struct pci_dev *pcidev = comedi_to_pci_dev(dev);
|
|
const struct daq200_boardtype *board;
|
|
struct daqboard2000_private *devpriv;
|
|
struct comedi_subdevice *s;
|
|
int result;
|
|
|
|
board = daqboard2000_find_boardinfo(dev, pcidev);
|
|
if (!board)
|
|
return -ENODEV;
|
|
dev->board_ptr = board;
|
|
dev->board_name = board->name;
|
|
|
|
devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
|
|
if (!devpriv)
|
|
return -ENOMEM;
|
|
|
|
result = comedi_pci_enable(dev);
|
|
if (result)
|
|
return result;
|
|
|
|
devpriv->plx = pci_ioremap_bar(pcidev, 0);
|
|
dev->mmio = pci_ioremap_bar(pcidev, 2);
|
|
if (!devpriv->plx || !dev->mmio)
|
|
return -ENOMEM;
|
|
|
|
result = comedi_alloc_subdevices(dev, 3);
|
|
if (result)
|
|
return result;
|
|
|
|
readl(devpriv->plx + 0x6c);
|
|
|
|
result = comedi_load_firmware(dev, &comedi_to_pci_dev(dev)->dev,
|
|
DAQBOARD2000_FIRMWARE,
|
|
initialize_daqboard2000, 0);
|
|
if (result < 0)
|
|
return result;
|
|
|
|
daqboard2000_initializeAdc(dev);
|
|
daqboard2000_initializeDac(dev);
|
|
|
|
s = &dev->subdevices[0];
|
|
/* ai subdevice */
|
|
s->type = COMEDI_SUBD_AI;
|
|
s->subdev_flags = SDF_READABLE | SDF_GROUND;
|
|
s->n_chan = 24;
|
|
s->maxdata = 0xffff;
|
|
s->insn_read = daqboard2000_ai_insn_read;
|
|
s->range_table = &range_daqboard2000_ai;
|
|
|
|
s = &dev->subdevices[1];
|
|
/* ao subdevice */
|
|
s->type = COMEDI_SUBD_AO;
|
|
s->subdev_flags = SDF_WRITABLE;
|
|
s->n_chan = 2;
|
|
s->maxdata = 0xffff;
|
|
s->insn_write = daqboard2000_ao_insn_write;
|
|
s->range_table = &range_bipolar10;
|
|
|
|
result = comedi_alloc_subdev_readback(s);
|
|
if (result)
|
|
return result;
|
|
|
|
s = &dev->subdevices[2];
|
|
return subdev_8255_init(dev, s, daqboard2000_8255_cb,
|
|
dioP2ExpansionIO8Bit);
|
|
}
|
|
|
|
static void daqboard2000_detach(struct comedi_device *dev)
|
|
{
|
|
struct daqboard2000_private *devpriv = dev->private;
|
|
|
|
if (devpriv && devpriv->plx)
|
|
iounmap(devpriv->plx);
|
|
comedi_pci_detach(dev);
|
|
}
|
|
|
|
static struct comedi_driver daqboard2000_driver = {
|
|
.driver_name = "daqboard2000",
|
|
.module = THIS_MODULE,
|
|
.auto_attach = daqboard2000_auto_attach,
|
|
.detach = daqboard2000_detach,
|
|
};
|
|
|
|
static int daqboard2000_pci_probe(struct pci_dev *dev,
|
|
const struct pci_device_id *id)
|
|
{
|
|
return comedi_pci_auto_config(dev, &daqboard2000_driver,
|
|
id->driver_data);
|
|
}
|
|
|
|
static const struct pci_device_id daqboard2000_pci_table[] = {
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_IOTECH, 0x0409) },
|
|
{ 0 }
|
|
};
|
|
MODULE_DEVICE_TABLE(pci, daqboard2000_pci_table);
|
|
|
|
static struct pci_driver daqboard2000_pci_driver = {
|
|
.name = "daqboard2000",
|
|
.id_table = daqboard2000_pci_table,
|
|
.probe = daqboard2000_pci_probe,
|
|
.remove = comedi_pci_auto_unconfig,
|
|
};
|
|
module_comedi_pci_driver(daqboard2000_driver, daqboard2000_pci_driver);
|
|
|
|
MODULE_AUTHOR("Comedi http://www.comedi.org");
|
|
MODULE_DESCRIPTION("Comedi low-level driver");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_FIRMWARE(DAQBOARD2000_FIRMWARE);
|