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
178 struct pcmcia_device *link;
182 #define devpriv ((struct ni_private *)dev->private)
184 /* How we access registers */
186 #define ni_writel(a,b) (outl((a),(b)+dev->iobase))
187 #define ni_readl(a) (inl((a)+dev->iobase))
188 #define ni_writew(a,b) (outw((a),(b)+dev->iobase))
189 #define ni_readw(a) (inw((a)+dev->iobase))
190 #define ni_writeb(a,b) (outb((a),(b)+dev->iobase))
191 #define ni_readb(a) (inb((a)+dev->iobase))
193 /* How we access windowed registers */
195 /* We automatically take advantage of STC registers that can be
196 * read/written directly in the I/O space of the board. The
197 * DAQCard devices map the low 8 STC registers to iobase+addr*2. */
199 static void mio_cs_win_out(struct comedi_device * dev, uint16_t data, int addr)
203 comedi_spin_lock_irqsave(&devpriv->window_lock, flags);
205 ni_writew(data, addr * 2);
207 ni_writew(addr, Window_Address);
208 ni_writew(data, Window_Data);
210 comedi_spin_unlock_irqrestore(&devpriv->window_lock, flags);
213 static uint16_t mio_cs_win_in(struct comedi_device * dev, int addr)
218 comedi_spin_lock_irqsave(&devpriv->window_lock, flags);
220 ret = ni_readw(addr * 2);
222 ni_writew(addr, Window_Address);
223 ret = ni_readw(Window_Data);
225 comedi_spin_unlock_irqrestore(&devpriv->window_lock, flags);
230 static int mio_cs_attach(struct comedi_device * dev, struct comedi_devconfig * it);
231 static int mio_cs_detach(struct comedi_device * dev);
232 static struct comedi_driver driver_ni_mio_cs = {
233 driver_name:"ni_mio_cs",
235 attach:mio_cs_attach,
236 detach:mio_cs_detach,
239 #include "ni_mio_common.c"
241 static int ni_getboardtype(struct comedi_device * dev, struct pcmcia_device *link);
243 /* clean up allocated resources */
244 /* called when driver is removed */
245 static int mio_cs_detach(struct comedi_device * dev)
247 mio_common_detach(dev);
249 /* PCMCIA layer frees the IO region */
252 comedi_free_irq(dev->irq, dev);
258 static void mio_cs_config(struct pcmcia_device *link);
259 static void cs_release(struct pcmcia_device *link);
260 static void cs_detach(struct pcmcia_device *);
262 static struct pcmcia_device *cur_dev = NULL;
263 static const dev_info_t dev_info = "ni_mio_cs";
264 static dev_node_t dev_node = {
269 static int cs_attach(struct pcmcia_device *link)
271 link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
272 link->io.NumPorts1 = 16;
273 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
274 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
275 link->conf.Attributes = CONF_ENABLE_IRQ;
276 link->conf.IntType = INT_MEMORY_AND_IO;
285 static void cs_release(struct pcmcia_device *link)
287 pcmcia_disable_device(link);
290 static void cs_detach(struct pcmcia_device *link)
292 DPRINTK("cs_detach(link=%p)\n", link);
294 if (link->dev_node) {
299 static int mio_cs_suspend(struct pcmcia_device *link)
301 DPRINTK("pm suspend\n");
306 static int mio_cs_resume(struct pcmcia_device *link)
308 DPRINTK("pm resume\n");
312 static void mio_cs_config(struct pcmcia_device *link)
317 int manfid = 0, prodid = 0;
320 DPRINTK("mio_cs_config(link=%p)\n", link);
322 tuple.TupleData = (cisdata_t *) buf;
323 tuple.TupleOffset = 0;
324 tuple.TupleDataMax = 255;
325 tuple.Attributes = 0;
327 tuple.DesiredTuple = CISTPL_CONFIG;
328 ret = pcmcia_get_first_tuple(link, &tuple);
329 ret = pcmcia_get_tuple_data(link, &tuple);
330 ret = pcmcia_parse_tuple(&tuple, &parse);
331 link->conf.ConfigBase = parse.config.base;
332 link->conf.Present = parse.config.rmask[0];
335 tuple.DesiredTuple = CISTPL_LONGLINK_MFC;
336 tuple.Attributes = TUPLE_RETURN_COMMON | TUPLE_RETURN_LINK;
337 info->multi(first_tuple(link, &tuple, &parse) == 0);
340 tuple.DesiredTuple = CISTPL_MANFID;
341 tuple.Attributes = TUPLE_RETURN_COMMON;
342 if ((pcmcia_get_first_tuple(link, &tuple) == 0) &&
343 (pcmcia_get_tuple_data(link, &tuple) == 0)) {
344 manfid = le16_to_cpu(buf[0]);
345 prodid = le16_to_cpu(buf[1]);
347 //printk("manfid = 0x%04x, 0x%04x\n",manfid,prodid);
349 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
350 tuple.Attributes = 0;
351 ret = pcmcia_get_first_tuple(link, &tuple);
352 ret = pcmcia_get_tuple_data(link, &tuple);
353 ret = pcmcia_parse_tuple(&tuple, &parse);
356 printk(" index: 0x%x\n", parse.cftable_entry.index);
357 printk(" flags: 0x%x\n", parse.cftable_entry.flags);
358 printk(" io flags: 0x%x\n", parse.cftable_entry.io.flags);
359 printk(" io nwin: 0x%x\n", parse.cftable_entry.io.nwin);
360 printk(" io base: 0x%x\n", parse.cftable_entry.io.win[0].base);
361 printk(" io len: 0x%x\n", parse.cftable_entry.io.win[0].len);
362 printk(" irq1: 0x%x\n", parse.cftable_entry.irq.IRQInfo1);
363 printk(" irq2: 0x%x\n", parse.cftable_entry.irq.IRQInfo2);
364 printk(" mem flags: 0x%x\n", parse.cftable_entry.mem.flags);
365 printk(" mem nwin: 0x%x\n", parse.cftable_entry.mem.nwin);
366 printk(" subtuples: 0x%x\n", parse.cftable_entry.subtuples);
370 link->io.NumPorts1 = 0x20;
371 link->io.IOAddrLines = 5;
372 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
374 link->io.NumPorts1 = parse.cftable_entry.io.win[0].len;
375 link->io.IOAddrLines =
376 parse.cftable_entry.io.flags & CISTPL_IO_LINES_MASK;
377 link->io.NumPorts2 = 0;
381 for (base = 0x000; base < 0x400; base += 0x20) {
382 link->io.BasePort1 = base;
383 ret = pcmcia_request_io(link, &link->io);
384 //printk("RequestIO 0x%02x\n",ret);
390 link->irq.IRQInfo1 = parse.cftable_entry.irq.IRQInfo1;
391 link->irq.IRQInfo2 = parse.cftable_entry.irq.IRQInfo2;
392 ret = pcmcia_request_irq(link, &link->irq);
394 printk("pcmcia_request_irq() returned error: %i\n", ret);
396 //printk("RequestIRQ 0x%02x\n",ret);
398 link->conf.ConfigIndex = 1;
400 ret = pcmcia_request_configuration(link, &link->conf);
401 //printk("RequestConfiguration %d\n",ret);
403 link->dev_node = &dev_node;
406 static int mio_cs_attach(struct comedi_device * dev, struct comedi_devconfig * it)
408 struct pcmcia_device *link;
412 DPRINTK("mio_cs_attach(dev=%p,it=%p)\n", dev, it);
414 link = cur_dev; /* XXX hack */
418 dev->driver = &driver_ni_mio_cs;
419 dev->iobase = link->io.BasePort1;
421 irq = link->irq.AssignedIRQ;
423 printk("comedi%d: %s: DAQCard: io 0x%04lx, irq %u, ",
424 dev->minor, dev->driver->driver_name, dev->iobase, irq);
430 printk(" board fingerprint:");
431 for (i = 0; i < 32; i += 2) {
432 printk(" %04x %02x", inw(dev->iobase + i),
433 inb(dev->iobase + i + 1));
436 printk(" board fingerprint (windowed):");
437 for (i = 0; i < 10; i++) {
438 printk(" 0x%04x", win_in(i));
444 dev->board_ptr = ni_boards + ni_getboardtype(dev, link);
446 printk(" %s", boardtype.name);
447 dev->board_name = boardtype.name;
449 if ((ret = comedi_request_irq(irq, ni_E_interrupt, NI_E_IRQ_FLAGS,
450 "ni_mio_cs", dev)) < 0) {
451 printk(" irq not available\n");
456 /* allocate private area */
457 if ((ret = ni_alloc_private(dev)) < 0)
459 devpriv->stc_writew = &mio_cs_win_out;
460 devpriv->stc_readw = &mio_cs_win_in;
461 devpriv->stc_writel = &win_out2;
462 devpriv->stc_readl = &win_in2;
464 if ((ret = ni_E_init(dev, it)) < 0) {
471 static int get_prodid(struct comedi_device * dev, struct pcmcia_device *link)
477 tuple.TupleData = (cisdata_t *) buf;
478 tuple.TupleOffset = 0;
479 tuple.TupleDataMax = 255;
480 tuple.DesiredTuple = CISTPL_MANFID;
481 tuple.Attributes = TUPLE_RETURN_COMMON;
482 if ((pcmcia_get_first_tuple(link, &tuple) == 0) &&
483 (pcmcia_get_tuple_data(link, &tuple) == 0)) {
484 prodid = le16_to_cpu(buf[1]);
490 static int ni_getboardtype(struct comedi_device * dev, struct pcmcia_device *link)
495 id = get_prodid(dev, link);
497 for (i = 0; i < n_ni_boards; i++) {
498 if (ni_boards[i].device_id == id) {
503 printk("unknown board 0x%04x -- pretend it is a ", id);
510 MODULE_LICENSE("GPL");
512 static struct pcmcia_device_id ni_mio_cs_ids[] = {
513 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010d), /* DAQCard-ai-16xe-50 */
514 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010c), /* DAQCard-ai-16e-4 */
515 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x02c4), /* DAQCard-6062E */
516 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x075e), /* DAQCard-6024E */
517 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x0245), /* DAQCard-6036E */
521 MODULE_DEVICE_TABLE(pcmcia, ni_mio_cs_ids);
523 struct pcmcia_driver ni_mio_cs_driver = {
525 .remove = &cs_detach,
526 .suspend = &mio_cs_suspend,
527 .resume = &mio_cs_resume,
528 .id_table = ni_mio_cs_ids,
529 .owner = THIS_MODULE,
535 int init_module(void)
537 pcmcia_register_driver(&ni_mio_cs_driver);
538 comedi_driver_register(&driver_ni_mio_cs);
542 void cleanup_module(void)
544 pcmcia_unregister_driver(&ni_mio_cs_driver);
546 while (cur_dev != NULL)
547 cs_detach(cur_dev->handle);
549 comedi_driver_unregister(&driver_ni_mio_cs);