Merge branch 'next/drivers' into HEAD
[deliverable/linux.git] / drivers / staging / comedi / drivers / ni_mio_cs.c
CommitLineData
4fecf4a2
DS
1/*
2 comedi/drivers/ni_mio_cs.c
3 Hardware driver for NI PCMCIA MIO E series cards
4
5 COMEDI - Linux Control and Measurement Device Interface
6 Copyright (C) 1997-2000 David A. Schleef <ds@schleef.org>
7
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.
12
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.
17
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.
21
22*/
23/*
24Driver: ni_mio_cs
25Description: National Instruments DAQCard E series
26Author: ds
27Status: works
28Devices: [National Instruments] DAQCard-AI-16XE-50 (ni_mio_cs),
29 DAQCard-AI-16E-4, DAQCard-6062E, DAQCard-6024E, DAQCard-6036E
30Updated: Thu Oct 23 19:43:17 CDT 2003
31
32See the notes in the ni_atmio.o driver.
33*/
34/*
35 The real guts of the driver is in ni_mio_common.c, which is
36 included by all the E series drivers.
37
38 References for specifications:
39
40 341080a.pdf DAQCard E Series Register Level Programmer Manual
41
42*/
43
44#include "../comedidev.h"
45
46#include <linux/delay.h>
4fecf4a2
DS
47
48#include "ni_stc.h"
49#include "8255.h"
50
4fecf4a2
DS
51#include <pcmcia/cistpl.h>
52#include <pcmcia/ds.h>
53
54#undef DEBUG
55
56#define ATMIO 1
57#undef PCIMIO
58
59/*
60 * AT specific setup
61 */
62
63#define NI_SIZE 0x20
64
65#define MAX_N_CALDACS 32
66
72a82280 67static const struct ni_board_struct ni_boards[] = {
68c3dbff
BP
68 {.device_id = 0x010d,
69 .name = "DAQCard-ai-16xe-50",
70 .n_adchan = 16,
71 .adbits = 16,
72 .ai_fifo_depth = 1024,
73 .alwaysdither = 0,
74 .gainlkup = ai_gain_8,
75 .ai_speed = 5000,
76 .n_aochan = 0,
77 .aobits = 0,
78 .ao_fifo_depth = 0,
79 .ao_unipolar = 0,
80 .num_p0_dio_channels = 8,
81 .has_8255 = 0,
82 .caldac = {dac8800, dac8043},
0a85b6f0 83 },
68c3dbff
BP
84 {.device_id = 0x010c,
85 .name = "DAQCard-ai-16e-4",
86 .n_adchan = 16,
87 .adbits = 12,
88 .ai_fifo_depth = 1024,
89 .alwaysdither = 0,
90 .gainlkup = ai_gain_16,
91 .ai_speed = 4000,
92 .n_aochan = 0,
93 .aobits = 0,
94 .ao_fifo_depth = 0,
95 .ao_unipolar = 0,
96 .num_p0_dio_channels = 8,
97 .has_8255 = 0,
98 .caldac = {mb88341}, /* verified */
0a85b6f0 99 },
68c3dbff
BP
100 {.device_id = 0x02c4,
101 .name = "DAQCard-6062E",
102 .n_adchan = 16,
103 .adbits = 12,
104 .ai_fifo_depth = 8192,
105 .alwaysdither = 0,
106 .gainlkup = ai_gain_16,
107 .ai_speed = 2000,
108 .n_aochan = 2,
109 .aobits = 12,
110 .ao_fifo_depth = 2048,
111 .ao_range_table = &range_bipolar10,
112 .ao_unipolar = 0,
113 .ao_speed = 1176,
114 .num_p0_dio_channels = 8,
115 .has_8255 = 0,
116 .caldac = {ad8804_debug}, /* verified */
0a85b6f0 117 },
68c3dbff
BP
118 {.device_id = 0x075e,
119 .name = "DAQCard-6024E", /* specs incorrect! */
120 .n_adchan = 16,
121 .adbits = 12,
122 .ai_fifo_depth = 1024,
123 .alwaysdither = 0,
ebe86223 124 .gainlkup = ai_gain_4,
68c3dbff
BP
125 .ai_speed = 5000,
126 .n_aochan = 2,
127 .aobits = 12,
128 .ao_fifo_depth = 0,
129 .ao_range_table = &range_bipolar10,
130 .ao_unipolar = 0,
131 .ao_speed = 1000000,
132 .num_p0_dio_channels = 8,
133 .has_8255 = 0,
134 .caldac = {ad8804_debug},
0a85b6f0 135 },
68c3dbff
BP
136 {.device_id = 0x0245,
137 .name = "DAQCard-6036E", /* specs incorrect! */
138 .n_adchan = 16,
139 .adbits = 16,
140 .ai_fifo_depth = 1024,
141 .alwaysdither = 1,
142 .gainlkup = ai_gain_4,
143 .ai_speed = 5000,
144 .n_aochan = 2,
145 .aobits = 16,
146 .ao_fifo_depth = 0,
147 .ao_range_table = &range_bipolar10,
148 .ao_unipolar = 0,
149 .ao_speed = 1000000,
150 .num_p0_dio_channels = 8,
151 .has_8255 = 0,
152 .caldac = {ad8804_debug},
0a85b6f0 153 },
4fecf4a2 154#if 0
68c3dbff
BP
155 {.device_id = 0x0000, /* unknown */
156 .name = "DAQCard-6715",
157 .n_adchan = 0,
158 .n_aochan = 8,
159 .aobits = 12,
160 .ao_671x = 8192,
161 .num_p0_dio_channels = 8,
162 .caldac = {mb88341, mb88341},
0a85b6f0 163 },
4fecf4a2
DS
164#endif
165 /* N.B. Update ni_mio_cs_ids[] when entries added above. */
166};
167
168#define interrupt_pin(a) 0
169
170#define IRQ_POLARITY 1
171
172#define NI_E_IRQ_FLAGS IRQF_SHARED
173
c7ef2298
BP
174struct ni_private {
175
4fecf4a2
DS
176 struct pcmcia_device *link;
177
c7ef2298
BP
178 NI_PRIVATE_COMMON};
179
180#define devpriv ((struct ni_private *)dev->private)
4fecf4a2
DS
181
182/* How we access registers */
183
f7cbd7aa 184#define ni_writel(a, b) (outl((a), (b)+dev->iobase))
4fecf4a2 185#define ni_readl(a) (inl((a)+dev->iobase))
f7cbd7aa 186#define ni_writew(a, b) (outw((a), (b)+dev->iobase))
4fecf4a2 187#define ni_readw(a) (inw((a)+dev->iobase))
f7cbd7aa 188#define ni_writeb(a, b) (outb((a), (b)+dev->iobase))
4fecf4a2
DS
189#define ni_readb(a) (inb((a)+dev->iobase))
190
191/* How we access windowed registers */
192
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. */
196
da91b269 197static void mio_cs_win_out(struct comedi_device *dev, uint16_t data, int addr)
4fecf4a2
DS
198{
199 unsigned long flags;
200
5f74ea14 201 spin_lock_irqsave(&devpriv->window_lock, flags);
4fecf4a2
DS
202 if (addr < 8) {
203 ni_writew(data, addr * 2);
204 } else {
205 ni_writew(addr, Window_Address);
206 ni_writew(data, Window_Data);
207 }
5f74ea14 208 spin_unlock_irqrestore(&devpriv->window_lock, flags);
4fecf4a2
DS
209}
210
da91b269 211static uint16_t mio_cs_win_in(struct comedi_device *dev, int addr)
4fecf4a2
DS
212{
213 unsigned long flags;
214 uint16_t ret;
215
5f74ea14 216 spin_lock_irqsave(&devpriv->window_lock, flags);
4fecf4a2
DS
217 if (addr < 8) {
218 ret = ni_readw(addr * 2);
219 } else {
220 ni_writew(addr, Window_Address);
221 ret = ni_readw(Window_Data);
222 }
5f74ea14 223 spin_unlock_irqrestore(&devpriv->window_lock, flags);
4fecf4a2
DS
224
225 return ret;
226}
227
0a85b6f0
MT
228static int mio_cs_attach(struct comedi_device *dev,
229 struct comedi_devconfig *it);
484ecc95 230static void mio_cs_detach(struct comedi_device *dev);
139dfbdf 231static struct comedi_driver driver_ni_mio_cs = {
68c3dbff
BP
232 .driver_name = "ni_mio_cs",
233 .module = THIS_MODULE,
234 .attach = mio_cs_attach,
235 .detach = mio_cs_detach,
4fecf4a2
DS
236};
237
238#include "ni_mio_common.c"
239
0a85b6f0
MT
240static int ni_getboardtype(struct comedi_device *dev,
241 struct pcmcia_device *link);
4fecf4a2 242
484ecc95 243static void mio_cs_detach(struct comedi_device *dev)
4fecf4a2
DS
244{
245 mio_common_detach(dev);
b055d0d3 246 if (dev->irq)
5f74ea14 247 free_irq(dev->irq, dev);
4fecf4a2
DS
248}
249
250static void mio_cs_config(struct pcmcia_device *link);
251static void cs_release(struct pcmcia_device *link);
252static void cs_detach(struct pcmcia_device *);
253
254static struct pcmcia_device *cur_dev = NULL;
0a85b6f0 255
4fecf4a2
DS
256static int cs_attach(struct pcmcia_device *link)
257{
4fecf4a2
DS
258 cur_dev = link;
259
260 mio_cs_config(link);
261
262 return 0;
263}
264
265static void cs_release(struct pcmcia_device *link)
266{
267 pcmcia_disable_device(link);
268}
269
270static void cs_detach(struct pcmcia_device *link)
271{
bfc2cc34 272 cs_release(link);
4fecf4a2
DS
273}
274
275static int mio_cs_suspend(struct pcmcia_device *link)
276{
277 DPRINTK("pm suspend\n");
278
279 return 0;
280}
281
282static int mio_cs_resume(struct pcmcia_device *link)
283{
284 DPRINTK("pm resume\n");
285 return 0;
286}
287
4fecf4a2 288
00990e7c 289static int mio_pcmcia_config_loop(struct pcmcia_device *p_dev, void *priv_data)
55a19b39
DB
290{
291 int base, ret;
4fecf4a2 292
00990e7c
DB
293 p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
294 p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_16;
4fecf4a2 295
55a19b39 296 for (base = 0x000; base < 0x400; base += 0x20) {
90abdc3b
DB
297 p_dev->resource[0]->start = base;
298 ret = pcmcia_request_io(p_dev);
55a19b39
DB
299 if (!ret)
300 return 0;
4fecf4a2 301 }
55a19b39
DB
302 return -ENODEV;
303}
4fecf4a2 304
4fecf4a2 305
55a19b39
DB
306static void mio_cs_config(struct pcmcia_device *link)
307{
308 int ret;
4fecf4a2 309
55a19b39 310 DPRINTK("mio_cs_config(link=%p)\n", link);
00990e7c 311 link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO;
4fecf4a2 312
55a19b39
DB
313 ret = pcmcia_loop_config(link, mio_pcmcia_config_loop, NULL);
314 if (ret) {
315 dev_warn(&link->dev, "no configuration found\n");
316 return;
4fecf4a2
DS
317 }
318
eb14120f
DB
319 if (!link->irq)
320 dev_info(&link->dev, "no IRQ available\n");
4fecf4a2 321
1ac71e5a 322 ret = pcmcia_enable_device(link);
4fecf4a2
DS
323}
324
da91b269 325static int mio_cs_attach(struct comedi_device *dev, struct comedi_devconfig *it)
4fecf4a2
DS
326{
327 struct pcmcia_device *link;
328 unsigned int irq;
329 int ret;
330
331 DPRINTK("mio_cs_attach(dev=%p,it=%p)\n", dev, it);
332
333 link = cur_dev; /* XXX hack */
334 if (!link)
335 return -EIO;
336
337 dev->driver = &driver_ni_mio_cs;
9a017a91 338 dev->iobase = link->resource[0]->start;
4fecf4a2 339
eb14120f 340 irq = link->irq;
4fecf4a2
DS
341
342 printk("comedi%d: %s: DAQCard: io 0x%04lx, irq %u, ",
0a85b6f0 343 dev->minor, dev->driver->driver_name, dev->iobase, irq);
4fecf4a2
DS
344
345#if 0
346 {
347 int i;
348
349 printk(" board fingerprint:");
350 for (i = 0; i < 32; i += 2) {
351 printk(" %04x %02x", inw(dev->iobase + i),
0a85b6f0 352 inb(dev->iobase + i + 1));
4fecf4a2
DS
353 }
354 printk("\n");
355 printk(" board fingerprint (windowed):");
b055d0d3 356 for (i = 0; i < 10; i++)
4fecf4a2 357 printk(" 0x%04x", win_in(i));
4fecf4a2
DS
358 printk("\n");
359 }
360#endif
361
362 dev->board_ptr = ni_boards + ni_getboardtype(dev, link);
363
364 printk(" %s", boardtype.name);
365 dev->board_name = boardtype.name;
366
5f74ea14 367 ret = request_irq(irq, ni_E_interrupt, NI_E_IRQ_FLAGS,
0a85b6f0 368 "ni_mio_cs", dev);
c3744138 369 if (ret < 0) {
4fecf4a2
DS
370 printk(" irq not available\n");
371 return -EINVAL;
372 }
373 dev->irq = irq;
374
375 /* allocate private area */
c3744138
BP
376 ret = ni_alloc_private(dev);
377 if (ret < 0)
4fecf4a2 378 return ret;
c3744138 379
4fecf4a2
DS
380 devpriv->stc_writew = &mio_cs_win_out;
381 devpriv->stc_readw = &mio_cs_win_in;
382 devpriv->stc_writel = &win_out2;
383 devpriv->stc_readl = &win_in2;
384
5b6137d8 385 ret = ni_E_init(dev);
c3744138
BP
386
387 if (ret < 0)
4fecf4a2 388 return ret;
4fecf4a2
DS
389
390 return 0;
391}
392
0a85b6f0
MT
393static int ni_getboardtype(struct comedi_device *dev,
394 struct pcmcia_device *link)
4fecf4a2 395{
4fecf4a2
DS
396 int i;
397
4fecf4a2 398 for (i = 0; i < n_ni_boards; i++) {
55a19b39 399 if (ni_boards[i].device_id == link->card_id)
4fecf4a2 400 return i;
4fecf4a2
DS
401 }
402
55a19b39 403 printk("unknown board 0x%04x -- pretend it is a ", link->card_id);
4fecf4a2
DS
404
405 return 0;
406}
407
408#ifdef MODULE
409
2202a5a7 410static const struct pcmcia_device_id ni_mio_cs_ids[] = {
4fecf4a2
DS
411 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010d), /* DAQCard-ai-16xe-50 */
412 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x010c), /* DAQCard-ai-16e-4 */
413 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x02c4), /* DAQCard-6062E */
414 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x075e), /* DAQCard-6024E */
415 PCMCIA_DEVICE_MANF_CARD(0x010b, 0x0245), /* DAQCard-6036E */
416 PCMCIA_DEVICE_NULL
417};
418
419MODULE_DEVICE_TABLE(pcmcia, ni_mio_cs_ids);
6c7f8196
AK
420MODULE_AUTHOR("David A. Schleef <ds@schleef.org>");
421MODULE_DESCRIPTION("Comedi driver for National Instruments DAQCard E series");
422MODULE_LICENSE("GPL");
4fecf4a2 423
3243785c 424static struct pcmcia_driver ni_mio_cs_driver = {
4fecf4a2
DS
425 .probe = &cs_attach,
426 .remove = &cs_detach,
427 .suspend = &mio_cs_suspend,
428 .resume = &mio_cs_resume,
429 .id_table = ni_mio_cs_ids,
430 .owner = THIS_MODULE,
2e9b981a 431 .name = "ni_mio_cs",
4fecf4a2
DS
432};
433
434int init_module(void)
435{
436 pcmcia_register_driver(&ni_mio_cs_driver);
437 comedi_driver_register(&driver_ni_mio_cs);
438 return 0;
439}
440
441void cleanup_module(void)
442{
443 pcmcia_unregister_driver(&ni_mio_cs_driver);
444#if 0
445 while (cur_dev != NULL)
446 cs_detach(cur_dev->handle);
447#endif
448 comedi_driver_unregister(&driver_ni_mio_cs);
449}
450#endif
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