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.h>
52 #include <pcmcia/cistpl.h>
53 #include <pcmcia/ds.h>
66 #define MAX_N_CALDACS 32
68 static const struct ni_board_struct ni_boards[] = {
70 .name = "DAQCard-ai-16xe-50",
73 .ai_fifo_depth = 1024,
75 .gainlkup = ai_gain_8,
81 .num_p0_dio_channels = 8,
83 .caldac = {dac8800, dac8043},
86 .name = "DAQCard-ai-16e-4",
89 .ai_fifo_depth = 1024,
91 .gainlkup = ai_gain_16,
97 .num_p0_dio_channels = 8,
99 .caldac = {mb88341}, /* verified */
101 {.device_id = 0x02c4,
102 .name = "DAQCard-6062E",
105 .ai_fifo_depth = 8192,
107 .gainlkup = ai_gain_16,
111 .ao_fifo_depth = 2048,
112 .ao_range_table = &range_bipolar10,
115 .num_p0_dio_channels = 8,
117 .caldac = {ad8804_debug}, /* verified */
119 {.device_id = 0x075e,
120 .name = "DAQCard-6024E", /* specs incorrect! */
123 .ai_fifo_depth = 1024,
125 .gainlkup = ai_gain_4,
130 .ao_range_table = &range_bipolar10,
133 .num_p0_dio_channels = 8,
135 .caldac = {ad8804_debug},
137 {.device_id = 0x0245,
138 .name = "DAQCard-6036E", /* specs incorrect! */
141 .ai_fifo_depth = 1024,
143 .gainlkup = ai_gain_4,
148 .ao_range_table = &range_bipolar10,
151 .num_p0_dio_channels = 8,
153 .caldac = {ad8804_debug},
156 {.device_id = 0x0000, /* unknown */
157 .name = "DAQCard-6715",
162 .num_p0_dio_channels = 8,
163 .caldac = {mb88341, mb88341},
166 /* N.B. Update ni_mio_cs_ids[] when entries added above. */
169 #define interrupt_pin(a) 0
171 #define IRQ_POLARITY 1
173 #define NI_E_IRQ_FLAGS IRQF_SHARED
177 struct pcmcia_device *link;
181 #define devpriv ((struct ni_private *)dev->private)
183 /* How we access registers */
185 #define ni_writel(a, b) (outl((a), (b)+dev->iobase))
186 #define ni_readl(a) (inl((a)+dev->iobase))
187 #define ni_writew(a, b) (outw((a), (b)+dev->iobase))
188 #define ni_readw(a) (inw((a)+dev->iobase))
189 #define ni_writeb(a, b) (outb((a), (b)+dev->iobase))
190 #define ni_readb(a) (inb((a)+dev->iobase))
192 /* How we access windowed registers */
194 /* We automatically take advantage of STC registers that can be
195 * read/written directly in the I/O space of the board. The
196 * DAQCard devices map the low 8 STC registers to iobase+addr*2. */
198 static void mio_cs_win_out(struct comedi_device *dev, uint16_t data, int addr)
202 spin_lock_irqsave(&devpriv->window_lock, flags);
204 ni_writew(data, addr * 2);
206 ni_writew(addr, Window_Address);
207 ni_writew(data, Window_Data);
209 spin_unlock_irqrestore(&devpriv->window_lock, flags);
212 static uint16_t mio_cs_win_in(struct comedi_device *dev, int addr)
217 spin_lock_irqsave(&devpriv->window_lock, flags);
219 ret = ni_readw(addr * 2);
221 ni_writew(addr, Window_Address);
222 ret = ni_readw(Window_Data);
224 spin_unlock_irqrestore(&devpriv->window_lock, flags);
229 static int mio_cs_attach(struct comedi_device *dev,
230 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",
234 .module = THIS_MODULE,
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,
242 struct pcmcia_device *link);
244 /* clean up allocated resources */
245 /* called when driver is removed */
246 static int mio_cs_detach(struct comedi_device *dev)
248 mio_common_detach(dev);
250 /* PCMCIA layer frees the IO region */
253 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;
264 static int cs_attach(struct pcmcia_device *link)
266 link->resource[0]->flags |= IO_DATA_PATH_WIDTH_16;
267 link->resource[0]->end = 16;
268 link->conf.Attributes = CONF_ENABLE_IRQ;
269 link->conf.IntType = INT_MEMORY_AND_IO;
278 static void cs_release(struct pcmcia_device *link)
280 pcmcia_disable_device(link);
283 static void cs_detach(struct pcmcia_device *link)
285 DPRINTK("cs_detach(link=%p)\n", link);
290 static int mio_cs_suspend(struct pcmcia_device *link)
292 DPRINTK("pm suspend\n");
297 static int mio_cs_resume(struct pcmcia_device *link)
299 DPRINTK("pm resume\n");
304 static int mio_pcmcia_config_loop(struct pcmcia_device *p_dev,
305 cistpl_cftable_entry_t *cfg,
306 cistpl_cftable_entry_t *dflt,
312 p_dev->resource[0]->end = cfg->io.win[0].len;
313 p_dev->io_lines = cfg->io.flags & CISTPL_IO_LINES_MASK;
315 for (base = 0x000; base < 0x400; base += 0x20) {
316 p_dev->resource[0]->start = base;
317 ret = pcmcia_request_io(p_dev);
325 static void mio_cs_config(struct pcmcia_device *link)
329 DPRINTK("mio_cs_config(link=%p)\n", link);
331 ret = pcmcia_loop_config(link, mio_pcmcia_config_loop, NULL);
333 dev_warn(&link->dev, "no configuration found\n");
338 dev_info(&link->dev, "no IRQ available\n");
340 ret = pcmcia_request_configuration(link, &link->conf);
343 static int mio_cs_attach(struct comedi_device *dev, struct comedi_devconfig *it)
345 struct pcmcia_device *link;
349 DPRINTK("mio_cs_attach(dev=%p,it=%p)\n", dev, it);
351 link = cur_dev; /* XXX hack */
355 dev->driver = &driver_ni_mio_cs;
356 dev->iobase = link->resource[0]->start;
360 printk("comedi%d: %s: DAQCard: io 0x%04lx, irq %u, ",
361 dev->minor, dev->driver->driver_name, dev->iobase, irq);
367 printk(" board fingerprint:");
368 for (i = 0; i < 32; i += 2) {
369 printk(" %04x %02x", inw(dev->iobase + i),
370 inb(dev->iobase + i + 1));
373 printk(" board fingerprint (windowed):");
374 for (i = 0; i < 10; i++)
375 printk(" 0x%04x", win_in(i));
380 dev->board_ptr = ni_boards + ni_getboardtype(dev, link);
382 printk(" %s", boardtype.name);
383 dev->board_name = boardtype.name;
385 ret = request_irq(irq, ni_E_interrupt, NI_E_IRQ_FLAGS,
388 printk(" irq not available\n");
393 /* allocate private area */
394 ret = ni_alloc_private(dev);
398 devpriv->stc_writew = &mio_cs_win_out;
399 devpriv->stc_readw = &mio_cs_win_in;
400 devpriv->stc_writel = &win_out2;
401 devpriv->stc_readl = &win_in2;
403 ret = ni_E_init(dev, it);
411 static int ni_getboardtype(struct comedi_device *dev,
412 struct pcmcia_device *link)
416 for (i = 0; i < n_ni_boards; i++) {
417 if (ni_boards[i].device_id == link->card_id)
421 printk("unknown board 0x%04x -- pretend it is a ", link->card_id);
428 static struct pcmcia_device_id ni_mio_cs_ids[] = {
429 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010d), /* DAQCard-ai-16xe-50 */
430 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010c), /* DAQCard-ai-16e-4 */
431 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x02c4), /* DAQCard-6062E */
432 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x075e), /* DAQCard-6024E */
433 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x0245), /* DAQCard-6036E */
437 MODULE_DEVICE_TABLE(pcmcia, ni_mio_cs_ids);
438 MODULE_AUTHOR("David A. Schleef <ds@schleef.org>");
439 MODULE_DESCRIPTION("Comedi driver for National Instruments DAQCard E series");
440 MODULE_LICENSE("GPL");
442 struct pcmcia_driver ni_mio_cs_driver = {
444 .remove = &cs_detach,
445 .suspend = &mio_cs_suspend,
446 .resume = &mio_cs_resume,
447 .id_table = ni_mio_cs_ids,
448 .owner = THIS_MODULE,
454 int init_module(void)
456 pcmcia_register_driver(&ni_mio_cs_driver);
457 comedi_driver_register(&driver_ni_mio_cs);
461 void cleanup_module(void)
463 pcmcia_unregister_driver(&ni_mio_cs_driver);
465 while (cur_dev != NULL)
466 cs_detach(cur_dev->handle);
468 comedi_driver_unregister(&driver_ni_mio_cs);