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 struct ni_board_struct ni_boards[] = {
71 .name = "DAQCard-ai-16xe-50",
74 .ai_fifo_depth = 1024,
76 .gainlkup = ai_gain_8,
82 .num_p0_dio_channels = 8,
84 .caldac = {dac8800, dac8043},
87 .name = "DAQCard-ai-16e-4",
90 .ai_fifo_depth = 1024,
92 .gainlkup = ai_gain_16,
98 .num_p0_dio_channels = 8,
100 .caldac = {mb88341}, /* verified */
102 {.device_id = 0x02c4,
103 .name = "DAQCard-6062E",
106 .ai_fifo_depth = 8192,
108 .gainlkup = ai_gain_16,
112 .ao_fifo_depth = 2048,
113 .ao_range_table = &range_bipolar10,
116 .num_p0_dio_channels = 8,
118 .caldac = {ad8804_debug}, /* verified */
120 {.device_id = 0x075e,
121 .name = "DAQCard-6024E", /* specs incorrect! */
124 .ai_fifo_depth = 1024,
126 .gainlkup = ai_gain_4,
131 .ao_range_table = &range_bipolar10,
134 .num_p0_dio_channels = 8,
136 .caldac = {ad8804_debug},
138 {.device_id = 0x0245,
139 .name = "DAQCard-6036E", /* specs incorrect! */
142 .ai_fifo_depth = 1024,
144 .gainlkup = ai_gain_4,
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 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 spin_unlock_irqrestore(&devpriv->window_lock, flags);
213 static uint16_t mio_cs_win_in(struct comedi_device *dev, int addr)
218 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 spin_unlock_irqrestore(&devpriv->window_lock, flags);
230 static int mio_cs_attach(struct comedi_device *dev,
231 struct comedi_devconfig *it);
232 static int mio_cs_detach(struct comedi_device *dev);
233 static struct comedi_driver driver_ni_mio_cs = {
234 .driver_name = "ni_mio_cs",
235 .module = THIS_MODULE,
236 .attach = mio_cs_attach,
237 .detach = mio_cs_detach,
240 #include "ni_mio_common.c"
242 static int ni_getboardtype(struct comedi_device *dev,
243 struct pcmcia_device *link);
245 /* clean up allocated resources */
246 /* called when driver is removed */
247 static int mio_cs_detach(struct comedi_device *dev)
249 mio_common_detach(dev);
251 /* PCMCIA layer frees the IO region */
254 free_irq(dev->irq, dev);
259 static void mio_cs_config(struct pcmcia_device *link);
260 static void cs_release(struct pcmcia_device *link);
261 static void cs_detach(struct pcmcia_device *);
263 static struct pcmcia_device *cur_dev = NULL;
264 static const dev_info_t dev_info = "ni_mio_cs";
266 static int cs_attach(struct pcmcia_device *link)
268 link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
269 link->io.NumPorts1 = 16;
270 link->conf.Attributes = CONF_ENABLE_IRQ;
271 link->conf.IntType = INT_MEMORY_AND_IO;
280 static void cs_release(struct pcmcia_device *link)
282 pcmcia_disable_device(link);
285 static void cs_detach(struct pcmcia_device *link)
287 DPRINTK("cs_detach(link=%p)\n", link);
292 static int mio_cs_suspend(struct pcmcia_device *link)
294 DPRINTK("pm suspend\n");
299 static int mio_cs_resume(struct pcmcia_device *link)
301 DPRINTK("pm resume\n");
306 static int mio_pcmcia_config_loop(struct pcmcia_device *p_dev,
307 cistpl_cftable_entry_t *cfg,
308 cistpl_cftable_entry_t *dflt,
314 p_dev->io.NumPorts1 = cfg->io.win[0].len;
315 p_dev->io.IOAddrLines = cfg->io.flags & CISTPL_IO_LINES_MASK;
316 p_dev->io.NumPorts2 = 0;
318 for (base = 0x000; base < 0x400; base += 0x20) {
319 p_dev->io.BasePort1 = base;
320 ret = pcmcia_request_io(p_dev, &p_dev->io);
328 static void mio_cs_config(struct pcmcia_device *link)
332 DPRINTK("mio_cs_config(link=%p)\n", link);
334 ret = pcmcia_loop_config(link, mio_pcmcia_config_loop, NULL);
336 dev_warn(&link->dev, "no configuration found\n");
341 dev_info(&link->dev, "no IRQ available\n");
343 ret = pcmcia_request_configuration(link, &link->conf);
346 static int mio_cs_attach(struct comedi_device *dev, struct comedi_devconfig *it)
348 struct pcmcia_device *link;
352 DPRINTK("mio_cs_attach(dev=%p,it=%p)\n", dev, it);
354 link = cur_dev; /* XXX hack */
358 dev->driver = &driver_ni_mio_cs;
359 dev->iobase = link->io.BasePort1;
363 printk("comedi%d: %s: DAQCard: io 0x%04lx, irq %u, ",
364 dev->minor, dev->driver->driver_name, dev->iobase, irq);
370 printk(" board fingerprint:");
371 for (i = 0; i < 32; i += 2) {
372 printk(" %04x %02x", inw(dev->iobase + i),
373 inb(dev->iobase + i + 1));
376 printk(" board fingerprint (windowed):");
377 for (i = 0; i < 10; i++)
378 printk(" 0x%04x", win_in(i));
383 dev->board_ptr = ni_boards + ni_getboardtype(dev, link);
385 printk(" %s", boardtype.name);
386 dev->board_name = boardtype.name;
388 ret = request_irq(irq, ni_E_interrupt, NI_E_IRQ_FLAGS,
391 printk(" irq not available\n");
396 /* allocate private area */
397 ret = ni_alloc_private(dev);
401 devpriv->stc_writew = &mio_cs_win_out;
402 devpriv->stc_readw = &mio_cs_win_in;
403 devpriv->stc_writel = &win_out2;
404 devpriv->stc_readl = &win_in2;
406 ret = ni_E_init(dev, it);
414 static int ni_getboardtype(struct comedi_device *dev,
415 struct pcmcia_device *link)
419 for (i = 0; i < n_ni_boards; i++) {
420 if (ni_boards[i].device_id == link->card_id)
424 printk("unknown board 0x%04x -- pretend it is a ", link->card_id);
431 static struct pcmcia_device_id ni_mio_cs_ids[] = {
432 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010d), /* DAQCard-ai-16xe-50 */
433 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010c), /* DAQCard-ai-16e-4 */
434 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x02c4), /* DAQCard-6062E */
435 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x075e), /* DAQCard-6024E */
436 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x0245), /* DAQCard-6036E */
440 MODULE_DEVICE_TABLE(pcmcia, ni_mio_cs_ids);
441 MODULE_AUTHOR("David A. Schleef <ds@schleef.org>");
442 MODULE_DESCRIPTION("Comedi driver for National Instruments DAQCard E series");
443 MODULE_LICENSE("GPL");
445 struct pcmcia_driver ni_mio_cs_driver = {
447 .remove = &cs_detach,
448 .suspend = &mio_cs_suspend,
449 .resume = &mio_cs_resume,
450 .id_table = ni_mio_cs_ids,
451 .owner = THIS_MODULE,
457 int init_module(void)
459 pcmcia_register_driver(&ni_mio_cs_driver);
460 comedi_driver_register(&driver_ni_mio_cs);
464 void cleanup_module(void)
466 pcmcia_unregister_driver(&ni_mio_cs_driver);
468 while (cur_dev != NULL)
469 cs_detach(cur_dev->handle);
471 comedi_driver_unregister(&driver_ni_mio_cs);