2 * comedi/drivers/daqboard2000.c
3 * hardware driver for IOtech DAQboard/2000
5 * COMEDI - Linux Control and Measurement Device Interface
6 * Copyright (C) 1999 Anders Blomdell <anders.blomdell@control.lth.se>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
19 * Driver: daqboard2000
20 * Description: IOTech DAQBoard/2000
21 * Author: Anders Blomdell <anders.blomdell@control.lth.se>
23 * Updated: Mon, 14 Apr 2008 15:28:52 +0100
24 * Devices: [IOTech] DAQBoard/2000 (daqboard2000)
26 * Much of the functionality of this driver was determined from reading
27 * the source code for the Windows driver.
29 * The FPGA on the board requires fimware, which is available from
30 * http://www.comedi.org in the comedi_nonfree_firmware tarball.
32 * Configuration options: not applicable, uses PCI auto config
35 * This card was obviously never intended to leave the Windows world,
36 * since it lacked all kind of hardware documentation (except for cable
37 * pinouts, plug and pray has something to catch up with yet).
39 * With some help from our swedish distributor, we got the Windows sourcecode
40 * for the card, and here are the findings so far.
42 * 1. A good document that describes the PCI interface chip is 9080db-106.pdf
43 * available from http://www.plxtech.com/products/io/pci9080
45 * 2. The initialization done so far is:
46 * a. program the FPGA (windows code sans a lot of error messages)
49 * 3. Analog out seems to work OK with DAC's disabled, if DAC's are enabled,
50 * you have to output values to all enabled DAC's until result appears, I
51 * guess that it has something to do with pacer clocks, but the source
52 * gives me no clues. I'll keep it simple so far.
55 * Each channel in the scanlist seems to be controlled by four
59 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
60 * ! | | | ! | | | ! | | | ! | | | !
61 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
64 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
65 * ! | | | ! | | | ! | | | ! | | | !
66 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
68 * +------+------+ | | | | +-- Digital input (??)
69 * | | | | +---- 10 us settling time
70 * | | | +------ Suspend acquisition (last to scan)
71 * | | +-------- Simultaneous sample and hold
72 * | +---------- Signed data format
73 * +------------------------- Correction offset low
76 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
77 * ! | | | ! | | | ! | | | ! | | | !
78 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
80 * +-----+ +--+--+ +++ +++ +--+--+
81 * | | | | +----- Expansion channel
82 * | | | +----------- Expansion gain
83 * | | +--------------- Channel (low)
84 * | +--------------------- Correction offset high
85 * +----------------------------- Correction gain low
87 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
88 * ! | | | ! | | | ! | | | ! | | | !
89 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
91 * +------+------+ | | +-+-+ | | +-- Low bank enable
92 * | | | | | +---- High bank enable
93 * | | | | +------ Hi/low select
94 * | | | +---------- Gain (1,?,2,4,8,16,32,64)
95 * | | +-------------- differential/single ended
96 * | +---------------- Unipolar
97 * +------------------------- Correction gain high
99 * 999. The card seems to have an incredible amount of capabilities, but
100 * trying to reverse engineer them from the Windows source is beyond my
105 #include <linux/module.h>
106 #include <linux/delay.h>
107 #include <linux/interrupt.h>
109 #include "../comedi_pci.h"
113 #define DAQBOARD2000_FIRMWARE "daqboard2000_firmware.bin"
115 #define DAQBOARD2000_SUBSYSTEM_IDS2 0x0002 /* Daqboard/2000 - 2 Dacs */
116 #define DAQBOARD2000_SUBSYSTEM_IDS4 0x0004 /* Daqboard/2000 - 4 Dacs */
118 /* Initialization bits for the Serial EEPROM Control Register */
119 #define DAQBOARD2000_SECRProgPinHi 0x8001767e
120 #define DAQBOARD2000_SECRProgPinLo 0x8000767e
121 #define DAQBOARD2000_SECRLocalBusHi 0xc000767e
122 #define DAQBOARD2000_SECRLocalBusLo 0x8000767e
123 #define DAQBOARD2000_SECRReloadHi 0xa000767e
124 #define DAQBOARD2000_SECRReloadLo 0x8000767e
126 /* SECR status bits */
127 #define DAQBOARD2000_EEPROM_PRESENT 0x10000000
129 /* CPLD status bits */
130 #define DAQBOARD2000_CPLD_INIT 0x0002
131 #define DAQBOARD2000_CPLD_DONE 0x0004
133 static const struct comedi_lrange range_daqboard2000_ai
= {
152 * Register Memory Map
154 #define acqControl 0x00 /* u16 */
155 #define acqScanListFIFO 0x02 /* u16 */
156 #define acqPacerClockDivLow 0x04 /* u32 */
157 #define acqScanCounter 0x08 /* u16 */
158 #define acqPacerClockDivHigh 0x0a /* u16 */
159 #define acqTriggerCount 0x0c /* u16 */
160 #define acqResultsFIFO 0x10 /* u16 */
161 #define acqResultsShadow 0x14 /* u16 */
162 #define acqAdcResult 0x18 /* u16 */
163 #define dacScanCounter 0x1c /* u16 */
164 #define dacControl 0x20 /* u16 */
165 #define dacFIFO 0x24 /* s16 */
166 #define dacPacerClockDiv 0x2a /* u16 */
167 #define refDacs 0x2c /* u16 */
168 #define dioControl 0x30 /* u16 */
169 #define dioP3hsioData 0x32 /* s16 */
170 #define dioP3Control 0x34 /* u16 */
171 #define calEepromControl 0x36 /* u16 */
172 #define dacSetting(x) (0x38 + (x)*2) /* s16 */
173 #define dioP2ExpansionIO8Bit 0x40 /* s16 */
174 #define ctrTmrControl 0x80 /* u16 */
175 #define ctrInput(x) (0x88 + (x)*2) /* s16 */
176 #define timerDivisor(x) (0xa0 + (x)*2) /* u16 */
177 #define dmaControl 0xb0 /* u16 */
178 #define trigControl 0xb2 /* u16 */
179 #define calEeprom 0xb8 /* u16 */
180 #define acqDigitalMark 0xba /* u16 */
181 #define trigDacs 0xbc /* u16 */
182 #define dioP2ExpansionIO16Bit(x) (0xc0 + (x)*2) /* s16 */
184 /* Scan Sequencer programming */
185 #define DAQBOARD2000_SeqStartScanList 0x0011
186 #define DAQBOARD2000_SeqStopScanList 0x0010
188 /* Prepare for acquisition */
189 #define DAQBOARD2000_AcqResetScanListFifo 0x0004
190 #define DAQBOARD2000_AcqResetResultsFifo 0x0002
191 #define DAQBOARD2000_AcqResetConfigPipe 0x0001
193 /* Acqusition status bits */
194 #define DAQBOARD2000_AcqResultsFIFOMore1Sample 0x0001
195 #define DAQBOARD2000_AcqResultsFIFOHasValidData 0x0002
196 #define DAQBOARD2000_AcqResultsFIFOOverrun 0x0004
197 #define DAQBOARD2000_AcqLogicScanning 0x0008
198 #define DAQBOARD2000_AcqConfigPipeFull 0x0010
199 #define DAQBOARD2000_AcqScanListFIFOEmpty 0x0020
200 #define DAQBOARD2000_AcqAdcNotReady 0x0040
201 #define DAQBOARD2000_ArbitrationFailure 0x0080
202 #define DAQBOARD2000_AcqPacerOverrun 0x0100
203 #define DAQBOARD2000_DacPacerOverrun 0x0200
204 #define DAQBOARD2000_AcqHardwareError 0x01c0
206 /* Scan Sequencer programming */
207 #define DAQBOARD2000_SeqStartScanList 0x0011
208 #define DAQBOARD2000_SeqStopScanList 0x0010
210 /* Pacer Clock Control */
211 #define DAQBOARD2000_AdcPacerInternal 0x0030
212 #define DAQBOARD2000_AdcPacerExternal 0x0032
213 #define DAQBOARD2000_AdcPacerEnable 0x0031
214 #define DAQBOARD2000_AdcPacerEnableDacPacer 0x0034
215 #define DAQBOARD2000_AdcPacerDisable 0x0030
216 #define DAQBOARD2000_AdcPacerNormalMode 0x0060
217 #define DAQBOARD2000_AdcPacerCompatibilityMode 0x0061
218 #define DAQBOARD2000_AdcPacerInternalOutEnable 0x0008
219 #define DAQBOARD2000_AdcPacerExternalRising 0x0100
222 #define DAQBOARD2000_DacFull 0x0001
223 #define DAQBOARD2000_RefBusy 0x0002
224 #define DAQBOARD2000_TrgBusy 0x0004
225 #define DAQBOARD2000_CalBusy 0x0008
226 #define DAQBOARD2000_Dac0Busy 0x0010
227 #define DAQBOARD2000_Dac1Busy 0x0020
228 #define DAQBOARD2000_Dac2Busy 0x0040
229 #define DAQBOARD2000_Dac3Busy 0x0080
232 #define DAQBOARD2000_Dac0Enable 0x0021
233 #define DAQBOARD2000_Dac1Enable 0x0031
234 #define DAQBOARD2000_Dac2Enable 0x0041
235 #define DAQBOARD2000_Dac3Enable 0x0051
236 #define DAQBOARD2000_DacEnableBit 0x0001
237 #define DAQBOARD2000_Dac0Disable 0x0020
238 #define DAQBOARD2000_Dac1Disable 0x0030
239 #define DAQBOARD2000_Dac2Disable 0x0040
240 #define DAQBOARD2000_Dac3Disable 0x0050
241 #define DAQBOARD2000_DacResetFifo 0x0004
242 #define DAQBOARD2000_DacPatternDisable 0x0060
243 #define DAQBOARD2000_DacPatternEnable 0x0061
244 #define DAQBOARD2000_DacSelectSignedData 0x0002
245 #define DAQBOARD2000_DacSelectUnsignedData 0x0000
247 /* Trigger Control */
248 #define DAQBOARD2000_TrigAnalog 0x0000
249 #define DAQBOARD2000_TrigTTL 0x0010
250 #define DAQBOARD2000_TrigTransHiLo 0x0004
251 #define DAQBOARD2000_TrigTransLoHi 0x0000
252 #define DAQBOARD2000_TrigAbove 0x0000
253 #define DAQBOARD2000_TrigBelow 0x0004
254 #define DAQBOARD2000_TrigLevelSense 0x0002
255 #define DAQBOARD2000_TrigEdgeSense 0x0000
256 #define DAQBOARD2000_TrigEnable 0x0001
257 #define DAQBOARD2000_TrigDisable 0x0000
259 /* Reference Dac Selection */
260 #define DAQBOARD2000_PosRefDacSelect 0x0100
261 #define DAQBOARD2000_NegRefDacSelect 0x0000
263 struct daq200_boardtype
{
267 static const struct daq200_boardtype boardtypes
[] = {
268 {"ids2", DAQBOARD2000_SUBSYSTEM_IDS2
},
269 {"ids4", DAQBOARD2000_SUBSYSTEM_IDS4
},
272 struct daqboard2000_private
{
279 static void writeAcqScanListEntry(struct comedi_device
*dev
, u16 entry
)
282 writew(entry
& 0x00ff, dev
->mmio
+ acqScanListFIFO
);
284 writew((entry
>> 8) & 0x00ff, dev
->mmio
+ acqScanListFIFO
);
287 static void setup_sampling(struct comedi_device
*dev
, int chan
, int gain
)
289 u16 word0
, word1
, word2
, word3
;
291 /* Channel 0-7 diff, channel 8-23 single ended */
293 word1
= 0x0004; /* Last scan */
294 word2
= (chan
<< 6) & 0x00c0;
319 dev->eeprom.correctionDACSE[i][j][k].offset = 0x800;
320 dev->eeprom.correctionDACSE[i][j][k].gain = 0xc00;
322 /* These should be read from EEPROM */
325 writeAcqScanListEntry(dev
, word0
);
326 writeAcqScanListEntry(dev
, word1
);
327 writeAcqScanListEntry(dev
, word2
);
328 writeAcqScanListEntry(dev
, word3
);
331 static int daqboard2000_ai_status(struct comedi_device
*dev
,
332 struct comedi_subdevice
*s
,
333 struct comedi_insn
*insn
,
334 unsigned long context
)
338 status
= readw(dev
->mmio
+ acqControl
);
339 if (status
& context
)
344 static int daqboard2000_ai_insn_read(struct comedi_device
*dev
,
345 struct comedi_subdevice
*s
,
346 struct comedi_insn
*insn
,
353 writew(DAQBOARD2000_AcqResetScanListFifo
|
354 DAQBOARD2000_AcqResetResultsFifo
|
355 DAQBOARD2000_AcqResetConfigPipe
, dev
->mmio
+ acqControl
);
358 * If pacer clock is not set to some high value (> 10 us), we
359 * risk multiple samples to be put into the result FIFO.
361 /* 1 second, should be long enough */
362 writel(1000000, dev
->mmio
+ acqPacerClockDivLow
);
363 writew(0, dev
->mmio
+ acqPacerClockDivHigh
);
365 gain
= CR_RANGE(insn
->chanspec
);
366 chan
= CR_CHAN(insn
->chanspec
);
368 /* This doesn't look efficient. I decided to take the conservative
369 * approach when I did the insn conversion. Perhaps it would be
370 * better to have broken it completely, then someone would have been
371 * forced to fix it. --ds */
372 for (i
= 0; i
< insn
->n
; i
++) {
373 setup_sampling(dev
, chan
, gain
);
374 /* Enable reading from the scanlist FIFO */
375 writew(DAQBOARD2000_SeqStartScanList
, dev
->mmio
+ acqControl
);
377 ret
= comedi_timeout(dev
, s
, insn
, daqboard2000_ai_status
,
378 DAQBOARD2000_AcqConfigPipeFull
);
382 writew(DAQBOARD2000_AdcPacerEnable
, dev
->mmio
+ acqControl
);
384 ret
= comedi_timeout(dev
, s
, insn
, daqboard2000_ai_status
,
385 DAQBOARD2000_AcqLogicScanning
);
389 ret
= comedi_timeout(dev
, s
, insn
, daqboard2000_ai_status
,
390 DAQBOARD2000_AcqResultsFIFOHasValidData
);
394 data
[i
] = readw(dev
->mmio
+ acqResultsFIFO
);
395 writew(DAQBOARD2000_AdcPacerDisable
, dev
->mmio
+ acqControl
);
396 writew(DAQBOARD2000_SeqStopScanList
, dev
->mmio
+ acqControl
);
402 static int daqboard2000_ao_eoc(struct comedi_device
*dev
,
403 struct comedi_subdevice
*s
,
404 struct comedi_insn
*insn
,
405 unsigned long context
)
407 unsigned int chan
= CR_CHAN(insn
->chanspec
);
410 status
= readw(dev
->mmio
+ dacControl
);
411 if ((status
& ((chan
+ 1) * 0x0010)) == 0)
416 static int daqboard2000_ao_insn_write(struct comedi_device
*dev
,
417 struct comedi_subdevice
*s
,
418 struct comedi_insn
*insn
,
421 unsigned int chan
= CR_CHAN(insn
->chanspec
);
424 for (i
= 0; i
< insn
->n
; i
++) {
425 unsigned int val
= data
[i
];
428 writew(val
, dev
->mmio
+ dacSetting(chan
));
430 ret
= comedi_timeout(dev
, s
, insn
, daqboard2000_ao_eoc
, 0);
434 s
->readback
[chan
] = val
;
440 static void daqboard2000_resetLocalBus(struct comedi_device
*dev
)
442 struct daqboard2000_private
*devpriv
= dev
->private;
444 writel(DAQBOARD2000_SECRLocalBusHi
, devpriv
->plx
+ 0x6c);
446 writel(DAQBOARD2000_SECRLocalBusLo
, devpriv
->plx
+ 0x6c);
450 static void daqboard2000_reloadPLX(struct comedi_device
*dev
)
452 struct daqboard2000_private
*devpriv
= dev
->private;
454 writel(DAQBOARD2000_SECRReloadLo
, devpriv
->plx
+ 0x6c);
456 writel(DAQBOARD2000_SECRReloadHi
, devpriv
->plx
+ 0x6c);
458 writel(DAQBOARD2000_SECRReloadLo
, devpriv
->plx
+ 0x6c);
462 static void daqboard2000_pulseProgPin(struct comedi_device
*dev
)
464 struct daqboard2000_private
*devpriv
= dev
->private;
466 writel(DAQBOARD2000_SECRProgPinHi
, devpriv
->plx
+ 0x6c);
468 writel(DAQBOARD2000_SECRProgPinLo
, devpriv
->plx
+ 0x6c);
469 mdelay(10); /* Not in the original code, but I like symmetry... */
472 static int daqboard2000_pollCPLD(struct comedi_device
*dev
, int mask
)
478 /* timeout after 50 tries -> 5ms */
479 for (i
= 0; i
< 50; i
++) {
480 cpld
= readw(dev
->mmio
+ 0x1000);
481 if ((cpld
& mask
) == mask
) {
491 static int daqboard2000_writeCPLD(struct comedi_device
*dev
, int data
)
496 writew(data
, dev
->mmio
+ 0x1000);
497 if ((readw(dev
->mmio
+ 0x1000) & DAQBOARD2000_CPLD_INIT
) ==
498 DAQBOARD2000_CPLD_INIT
) {
504 static int initialize_daqboard2000(struct comedi_device
*dev
,
505 const u8
*cpld_array
, size_t len
,
506 unsigned long context
)
508 struct daqboard2000_private
*devpriv
= dev
->private;
510 /* Read the serial EEPROM control register */
515 /* Check to make sure the serial eeprom is present on the board */
516 secr
= readl(devpriv
->plx
+ 0x6c);
517 if (!(secr
& DAQBOARD2000_EEPROM_PRESENT
))
520 for (retry
= 0; retry
< 3; retry
++) {
521 daqboard2000_resetLocalBus(dev
);
522 daqboard2000_reloadPLX(dev
);
523 daqboard2000_pulseProgPin(dev
);
524 if (daqboard2000_pollCPLD(dev
, DAQBOARD2000_CPLD_INIT
)) {
525 for (i
= 0; i
< len
; i
++) {
526 if (cpld_array
[i
] == 0xff &&
527 cpld_array
[i
+ 1] == 0x20)
530 for (; i
< len
; i
+= 2) {
532 (cpld_array
[i
] << 8) + cpld_array
[i
+ 1];
533 if (!daqboard2000_writeCPLD(dev
, data
))
537 daqboard2000_resetLocalBus(dev
);
538 daqboard2000_reloadPLX(dev
);
547 static void daqboard2000_adcStopDmaTransfer(struct comedi_device
*dev
)
551 static void daqboard2000_adcDisarm(struct comedi_device
*dev
)
553 /* Disable hardware triggers */
555 writew(DAQBOARD2000_TrigAnalog
| DAQBOARD2000_TrigDisable
,
556 dev
->mmio
+ trigControl
);
558 writew(DAQBOARD2000_TrigTTL
| DAQBOARD2000_TrigDisable
,
559 dev
->mmio
+ trigControl
);
561 /* Stop the scan list FIFO from loading the configuration pipe */
563 writew(DAQBOARD2000_SeqStopScanList
, dev
->mmio
+ acqControl
);
565 /* Stop the pacer clock */
567 writew(DAQBOARD2000_AdcPacerDisable
, dev
->mmio
+ acqControl
);
569 /* Stop the input dma (abort channel 1) */
570 daqboard2000_adcStopDmaTransfer(dev
);
573 static void daqboard2000_activateReferenceDacs(struct comedi_device
*dev
)
578 /* Set the + reference dac value in the FPGA */
579 writew(0x80 | DAQBOARD2000_PosRefDacSelect
, dev
->mmio
+ refDacs
);
580 for (timeout
= 0; timeout
< 20; timeout
++) {
581 val
= readw(dev
->mmio
+ dacControl
);
582 if ((val
& DAQBOARD2000_RefBusy
) == 0)
587 /* Set the - reference dac value in the FPGA */
588 writew(0x80 | DAQBOARD2000_NegRefDacSelect
, dev
->mmio
+ refDacs
);
589 for (timeout
= 0; timeout
< 20; timeout
++) {
590 val
= readw(dev
->mmio
+ dacControl
);
591 if ((val
& DAQBOARD2000_RefBusy
) == 0)
597 static void daqboard2000_initializeCtrs(struct comedi_device
*dev
)
601 static void daqboard2000_initializeTmrs(struct comedi_device
*dev
)
605 static void daqboard2000_dacDisarm(struct comedi_device
*dev
)
609 static void daqboard2000_initializeAdc(struct comedi_device
*dev
)
611 daqboard2000_adcDisarm(dev
);
612 daqboard2000_activateReferenceDacs(dev
);
613 daqboard2000_initializeCtrs(dev
);
614 daqboard2000_initializeTmrs(dev
);
617 static void daqboard2000_initializeDac(struct comedi_device
*dev
)
619 daqboard2000_dacDisarm(dev
);
622 static int daqboard2000_8255_cb(struct comedi_device
*dev
,
623 int dir
, int port
, int data
,
624 unsigned long iobase
)
627 writew(data
, dev
->mmio
+ iobase
+ port
* 2);
630 return readw(dev
->mmio
+ iobase
+ port
* 2);
633 static const void *daqboard2000_find_boardinfo(struct comedi_device
*dev
,
634 struct pci_dev
*pcidev
)
636 const struct daq200_boardtype
*board
;
639 if (pcidev
->subsystem_device
!= PCI_VENDOR_ID_IOTECH
)
642 for (i
= 0; i
< ARRAY_SIZE(boardtypes
); i
++) {
643 board
= &boardtypes
[i
];
644 if (pcidev
->subsystem_device
== board
->id
)
650 static int daqboard2000_auto_attach(struct comedi_device
*dev
,
651 unsigned long context_unused
)
653 struct pci_dev
*pcidev
= comedi_to_pci_dev(dev
);
654 const struct daq200_boardtype
*board
;
655 struct daqboard2000_private
*devpriv
;
656 struct comedi_subdevice
*s
;
659 board
= daqboard2000_find_boardinfo(dev
, pcidev
);
662 dev
->board_ptr
= board
;
663 dev
->board_name
= board
->name
;
665 devpriv
= comedi_alloc_devpriv(dev
, sizeof(*devpriv
));
669 result
= comedi_pci_enable(dev
);
673 devpriv
->plx
= pci_ioremap_bar(pcidev
, 0);
674 dev
->mmio
= pci_ioremap_bar(pcidev
, 2);
675 if (!devpriv
->plx
|| !dev
->mmio
)
678 result
= comedi_alloc_subdevices(dev
, 3);
682 readl(devpriv
->plx
+ 0x6c);
684 result
= comedi_load_firmware(dev
, &comedi_to_pci_dev(dev
)->dev
,
685 DAQBOARD2000_FIRMWARE
,
686 initialize_daqboard2000
, 0);
690 daqboard2000_initializeAdc(dev
);
691 daqboard2000_initializeDac(dev
);
693 s
= &dev
->subdevices
[0];
695 s
->type
= COMEDI_SUBD_AI
;
696 s
->subdev_flags
= SDF_READABLE
| SDF_GROUND
;
699 s
->insn_read
= daqboard2000_ai_insn_read
;
700 s
->range_table
= &range_daqboard2000_ai
;
702 s
= &dev
->subdevices
[1];
704 s
->type
= COMEDI_SUBD_AO
;
705 s
->subdev_flags
= SDF_WRITABLE
;
708 s
->insn_write
= daqboard2000_ao_insn_write
;
709 s
->range_table
= &range_bipolar10
;
711 result
= comedi_alloc_subdev_readback(s
);
715 s
= &dev
->subdevices
[2];
716 return subdev_8255_init(dev
, s
, daqboard2000_8255_cb
,
717 dioP2ExpansionIO8Bit
);
720 static void daqboard2000_detach(struct comedi_device
*dev
)
722 struct daqboard2000_private
*devpriv
= dev
->private;
724 if (devpriv
&& devpriv
->plx
)
725 iounmap(devpriv
->plx
);
726 comedi_pci_detach(dev
);
729 static struct comedi_driver daqboard2000_driver
= {
730 .driver_name
= "daqboard2000",
731 .module
= THIS_MODULE
,
732 .auto_attach
= daqboard2000_auto_attach
,
733 .detach
= daqboard2000_detach
,
736 static int daqboard2000_pci_probe(struct pci_dev
*dev
,
737 const struct pci_device_id
*id
)
739 return comedi_pci_auto_config(dev
, &daqboard2000_driver
,
743 static const struct pci_device_id daqboard2000_pci_table
[] = {
744 { PCI_DEVICE(PCI_VENDOR_ID_IOTECH
, 0x0409) },
747 MODULE_DEVICE_TABLE(pci
, daqboard2000_pci_table
);
749 static struct pci_driver daqboard2000_pci_driver
= {
750 .name
= "daqboard2000",
751 .id_table
= daqboard2000_pci_table
,
752 .probe
= daqboard2000_pci_probe
,
753 .remove
= comedi_pci_auto_unconfig
,
755 module_comedi_pci_driver(daqboard2000_driver
, daqboard2000_pci_driver
);
757 MODULE_AUTHOR("Comedi http://www.comedi.org");
758 MODULE_DESCRIPTION("Comedi low-level driver");
759 MODULE_LICENSE("GPL");
760 MODULE_FIRMWARE(DAQBOARD2000_FIRMWARE
);