2 comedi/drivers/ni_mio_cs.c
3 Hardware driver for NI PCMCIA MIO E series cards
5 COMEDI - Linux Control and Measurement Device Interface
6 Copyright (C) 1997-2000 David A. Schleef <ds@schleef.org>
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.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 Description: National Instruments DAQCard E series
28 Devices: [National Instruments] DAQCard-AI-16XE-50 (ni_mio_cs),
29 DAQCard-AI-16E-4, DAQCard-6062E, DAQCard-6024E, DAQCard-6036E
30 Updated: Thu Oct 23 19:43:17 CDT 2003
32 See the notes in the ni_atmio.o driver.
35 The real guts of the driver is in ni_mio_common.c, which is
36 included by all the E series drivers.
38 References for specifications:
40 341080a.pdf DAQCard E Series Register Level Programmer Manual
44 #include "../comedidev.h"
46 #include <linux/delay.h>
51 #include <pcmcia/cs_types.h>
52 #include <pcmcia/cs.h>
53 #include <pcmcia/cistpl.h>
54 #include <pcmcia/ds.h>
67 #define MAX_N_CALDACS 32
69 static const ni_board ni_boards[] = {
71 name: "DAQCard-ai-16xe-50",
82 num_p0_dio_channels:8,
84 caldac: {dac8800, dac8043},
87 name: "DAQCard-ai-16e-4",
98 num_p0_dio_channels:8,
100 caldac: {mb88341}, /* verified */
103 name: "DAQCard-6062E",
113 ao_range_table:&range_bipolar10,
116 num_p0_dio_channels:8,
118 caldac: {ad8804_debug}, /* verified */
121 name: "DAQCard-6024E", /* specs incorrect! */
131 ao_range_table:&range_bipolar10,
134 num_p0_dio_channels:8,
136 caldac: {ad8804_debug},
139 name: "DAQCard-6036E", /* specs incorrect! */
149 ao_range_table:&range_bipolar10,
152 num_p0_dio_channels:8,
154 caldac: {ad8804_debug},
157 {device_id:0x0000, /* unknown */
158 name: "DAQCard-6715",
163 num_p0_dio_channels:8,
164 caldac: {mb88341, mb88341},
167 /* N.B. Update ni_mio_cs_ids[] when entries added above. */
170 #define interrupt_pin(a) 0
172 #define IRQ_POLARITY 1
174 #define NI_E_IRQ_FLAGS IRQF_SHARED
177 struct pcmcia_device *link;
179 NI_PRIVATE_COMMON} ni_private;
180 #define devpriv ((ni_private *)dev->private)
182 /* How we access registers */
184 #define ni_writel(a,b) (outl((a),(b)+dev->iobase))
185 #define ni_readl(a) (inl((a)+dev->iobase))
186 #define ni_writew(a,b) (outw((a),(b)+dev->iobase))
187 #define ni_readw(a) (inw((a)+dev->iobase))
188 #define ni_writeb(a,b) (outb((a),(b)+dev->iobase))
189 #define ni_readb(a) (inb((a)+dev->iobase))
191 /* How we access windowed registers */
193 /* We automatically take advantage of STC registers that can be
194 * read/written directly in the I/O space of the board. The
195 * DAQCard devices map the low 8 STC registers to iobase+addr*2. */
197 static void mio_cs_win_out(struct comedi_device * dev, uint16_t data, int addr)
201 comedi_spin_lock_irqsave(&devpriv->window_lock, flags);
203 ni_writew(data, addr * 2);
205 ni_writew(addr, Window_Address);
206 ni_writew(data, Window_Data);
208 comedi_spin_unlock_irqrestore(&devpriv->window_lock, flags);
211 static uint16_t mio_cs_win_in(struct comedi_device * dev, int addr)
216 comedi_spin_lock_irqsave(&devpriv->window_lock, flags);
218 ret = ni_readw(addr * 2);
220 ni_writew(addr, Window_Address);
221 ret = ni_readw(Window_Data);
223 comedi_spin_unlock_irqrestore(&devpriv->window_lock, flags);
228 static int mio_cs_attach(struct comedi_device * dev, comedi_devconfig * it);
229 static int mio_cs_detach(struct comedi_device * dev);
230 static struct comedi_driver driver_ni_mio_cs = {
231 driver_name:"ni_mio_cs",
233 attach:mio_cs_attach,
234 detach:mio_cs_detach,
237 #include "ni_mio_common.c"
239 static int ni_getboardtype(struct comedi_device * dev, struct pcmcia_device *link);
241 /* clean up allocated resources */
242 /* called when driver is removed */
243 static int mio_cs_detach(struct comedi_device * dev)
245 mio_common_detach(dev);
247 /* PCMCIA layer frees the IO region */
250 comedi_free_irq(dev->irq, dev);
256 static void mio_cs_config(struct pcmcia_device *link);
257 static void cs_release(struct pcmcia_device *link);
258 static void cs_detach(struct pcmcia_device *);
260 static struct pcmcia_device *cur_dev = NULL;
261 static const dev_info_t dev_info = "ni_mio_cs";
262 static dev_node_t dev_node = {
267 static int cs_attach(struct pcmcia_device *link)
269 link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
270 link->io.NumPorts1 = 16;
271 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
272 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
273 link->conf.Attributes = CONF_ENABLE_IRQ;
274 link->conf.IntType = INT_MEMORY_AND_IO;
283 static void cs_release(struct pcmcia_device *link)
285 pcmcia_disable_device(link);
288 static void cs_detach(struct pcmcia_device *link)
290 DPRINTK("cs_detach(link=%p)\n", link);
292 if (link->dev_node) {
297 static int mio_cs_suspend(struct pcmcia_device *link)
299 DPRINTK("pm suspend\n");
304 static int mio_cs_resume(struct pcmcia_device *link)
306 DPRINTK("pm resume\n");
310 static void mio_cs_config(struct pcmcia_device *link)
315 int manfid = 0, prodid = 0;
318 DPRINTK("mio_cs_config(link=%p)\n", link);
320 tuple.TupleData = (cisdata_t *) buf;
321 tuple.TupleOffset = 0;
322 tuple.TupleDataMax = 255;
323 tuple.Attributes = 0;
325 tuple.DesiredTuple = CISTPL_CONFIG;
326 ret = pcmcia_get_first_tuple(link, &tuple);
327 ret = pcmcia_get_tuple_data(link, &tuple);
328 ret = pcmcia_parse_tuple(&tuple, &parse);
329 link->conf.ConfigBase = parse.config.base;
330 link->conf.Present = parse.config.rmask[0];
333 tuple.DesiredTuple = CISTPL_LONGLINK_MFC;
334 tuple.Attributes = TUPLE_RETURN_COMMON | TUPLE_RETURN_LINK;
335 info->multi(first_tuple(link, &tuple, &parse) == 0);
338 tuple.DesiredTuple = CISTPL_MANFID;
339 tuple.Attributes = TUPLE_RETURN_COMMON;
340 if ((pcmcia_get_first_tuple(link, &tuple) == 0) &&
341 (pcmcia_get_tuple_data(link, &tuple) == 0)) {
342 manfid = le16_to_cpu(buf[0]);
343 prodid = le16_to_cpu(buf[1]);
345 //printk("manfid = 0x%04x, 0x%04x\n",manfid,prodid);
347 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
348 tuple.Attributes = 0;
349 ret = pcmcia_get_first_tuple(link, &tuple);
350 ret = pcmcia_get_tuple_data(link, &tuple);
351 ret = pcmcia_parse_tuple(&tuple, &parse);
354 printk(" index: 0x%x\n", parse.cftable_entry.index);
355 printk(" flags: 0x%x\n", parse.cftable_entry.flags);
356 printk(" io flags: 0x%x\n", parse.cftable_entry.io.flags);
357 printk(" io nwin: 0x%x\n", parse.cftable_entry.io.nwin);
358 printk(" io base: 0x%x\n", parse.cftable_entry.io.win[0].base);
359 printk(" io len: 0x%x\n", parse.cftable_entry.io.win[0].len);
360 printk(" irq1: 0x%x\n", parse.cftable_entry.irq.IRQInfo1);
361 printk(" irq2: 0x%x\n", parse.cftable_entry.irq.IRQInfo2);
362 printk(" mem flags: 0x%x\n", parse.cftable_entry.mem.flags);
363 printk(" mem nwin: 0x%x\n", parse.cftable_entry.mem.nwin);
364 printk(" subtuples: 0x%x\n", parse.cftable_entry.subtuples);
368 link->io.NumPorts1 = 0x20;
369 link->io.IOAddrLines = 5;
370 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
372 link->io.NumPorts1 = parse.cftable_entry.io.win[0].len;
373 link->io.IOAddrLines =
374 parse.cftable_entry.io.flags & CISTPL_IO_LINES_MASK;
375 link->io.NumPorts2 = 0;
379 for (base = 0x000; base < 0x400; base += 0x20) {
380 link->io.BasePort1 = base;
381 ret = pcmcia_request_io(link, &link->io);
382 //printk("RequestIO 0x%02x\n",ret);
388 link->irq.IRQInfo1 = parse.cftable_entry.irq.IRQInfo1;
389 link->irq.IRQInfo2 = parse.cftable_entry.irq.IRQInfo2;
390 ret = pcmcia_request_irq(link, &link->irq);
392 printk("pcmcia_request_irq() returned error: %i\n", ret);
394 //printk("RequestIRQ 0x%02x\n",ret);
396 link->conf.ConfigIndex = 1;
398 ret = pcmcia_request_configuration(link, &link->conf);
399 //printk("RequestConfiguration %d\n",ret);
401 link->dev_node = &dev_node;
404 static int mio_cs_attach(struct comedi_device * dev, comedi_devconfig * it)
406 struct pcmcia_device *link;
410 DPRINTK("mio_cs_attach(dev=%p,it=%p)\n", dev, it);
412 link = cur_dev; /* XXX hack */
416 dev->driver = &driver_ni_mio_cs;
417 dev->iobase = link->io.BasePort1;
419 irq = link->irq.AssignedIRQ;
421 printk("comedi%d: %s: DAQCard: io 0x%04lx, irq %u, ",
422 dev->minor, dev->driver->driver_name, dev->iobase, irq);
428 printk(" board fingerprint:");
429 for (i = 0; i < 32; i += 2) {
430 printk(" %04x %02x", inw(dev->iobase + i),
431 inb(dev->iobase + i + 1));
434 printk(" board fingerprint (windowed):");
435 for (i = 0; i < 10; i++) {
436 printk(" 0x%04x", win_in(i));
442 dev->board_ptr = ni_boards + ni_getboardtype(dev, link);
444 printk(" %s", boardtype.name);
445 dev->board_name = boardtype.name;
447 if ((ret = comedi_request_irq(irq, ni_E_interrupt, NI_E_IRQ_FLAGS,
448 "ni_mio_cs", dev)) < 0) {
449 printk(" irq not available\n");
454 /* allocate private area */
455 if ((ret = ni_alloc_private(dev)) < 0)
457 devpriv->stc_writew = &mio_cs_win_out;
458 devpriv->stc_readw = &mio_cs_win_in;
459 devpriv->stc_writel = &win_out2;
460 devpriv->stc_readl = &win_in2;
462 if ((ret = ni_E_init(dev, it)) < 0) {
469 static int get_prodid(struct comedi_device * dev, struct pcmcia_device *link)
475 tuple.TupleData = (cisdata_t *) buf;
476 tuple.TupleOffset = 0;
477 tuple.TupleDataMax = 255;
478 tuple.DesiredTuple = CISTPL_MANFID;
479 tuple.Attributes = TUPLE_RETURN_COMMON;
480 if ((pcmcia_get_first_tuple(link, &tuple) == 0) &&
481 (pcmcia_get_tuple_data(link, &tuple) == 0)) {
482 prodid = le16_to_cpu(buf[1]);
488 static int ni_getboardtype(struct comedi_device * dev, struct pcmcia_device *link)
493 id = get_prodid(dev, link);
495 for (i = 0; i < n_ni_boards; i++) {
496 if (ni_boards[i].device_id == id) {
501 printk("unknown board 0x%04x -- pretend it is a ", id);
508 MODULE_LICENSE("GPL");
510 static struct pcmcia_device_id ni_mio_cs_ids[] = {
511 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010d), /* DAQCard-ai-16xe-50 */
512 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010c), /* DAQCard-ai-16e-4 */
513 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x02c4), /* DAQCard-6062E */
514 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x075e), /* DAQCard-6024E */
515 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x0245), /* DAQCard-6036E */
519 MODULE_DEVICE_TABLE(pcmcia, ni_mio_cs_ids);
521 struct pcmcia_driver ni_mio_cs_driver = {
523 .remove = &cs_detach,
524 .suspend = &mio_cs_suspend,
525 .resume = &mio_cs_resume,
526 .id_table = ni_mio_cs_ids,
527 .owner = THIS_MODULE,
533 int init_module(void)
535 pcmcia_register_driver(&ni_mio_cs_driver);
536 comedi_driver_register(&driver_ni_mio_cs);
540 void cleanup_module(void)
542 pcmcia_unregister_driver(&ni_mio_cs_driver);
544 while (cur_dev != NULL)
545 cs_detach(cur_dev->handle);
547 comedi_driver_unregister(&driver_ni_mio_cs);