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Commit | Line | Data |
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77c44ab1 HW |
1 | /* |
2 | * A driver for the Omnikey PCMCIA smartcard reader CardMan 4040 | |
3 | * | |
4 | * (c) 2000-2004 Omnikey AG (http://www.omnikey.com/) | |
5 | * | |
67bc6200 | 6 | * (C) 2005-2006 Harald Welte <laforge@gnumonks.org> |
77c44ab1 HW |
7 | * - add support for poll() |
8 | * - driver cleanup | |
9 | * - add waitqueues | |
10 | * - adhere to linux kernel coding style and policies | |
11 | * - support 2.6.13 "new style" pcmcia interface | |
67bc6200 | 12 | * - add class interface for udev device creation |
77c44ab1 HW |
13 | * |
14 | * The device basically is a USB CCID compliant device that has been | |
15 | * attached to an I/O-Mapped FIFO. | |
16 | * | |
17 | * All rights reserved, Dual BSD/GPL Licensed. | |
18 | */ | |
19 | ||
20 | /* #define PCMCIA_DEBUG 6 */ | |
21 | ||
22 | #include <linux/kernel.h> | |
23 | #include <linux/module.h> | |
24 | #include <linux/slab.h> | |
25 | #include <linux/init.h> | |
26 | #include <linux/fs.h> | |
27 | #include <linux/delay.h> | |
28 | #include <linux/poll.h> | |
29 | #include <linux/wait.h> | |
30 | #include <asm/uaccess.h> | |
31 | #include <asm/io.h> | |
32 | ||
33 | #include <pcmcia/cs_types.h> | |
34 | #include <pcmcia/cs.h> | |
35 | #include <pcmcia/cistpl.h> | |
36 | #include <pcmcia/cisreg.h> | |
37 | #include <pcmcia/ciscode.h> | |
38 | #include <pcmcia/ds.h> | |
39 | ||
40 | #include "cm4040_cs.h" | |
41 | ||
42 | ||
43 | #ifdef PCMCIA_DEBUG | |
44 | #define reader_to_dev(x) (&handle_to_dev(x->link.handle)) | |
45 | static int pc_debug = PCMCIA_DEBUG; | |
46 | module_param(pc_debug, int, 0600); | |
47 | #define DEBUGP(n, rdr, x, args...) do { \ | |
48 | if (pc_debug >= (n)) \ | |
49 | dev_printk(KERN_DEBUG, reader_to_dev(rdr), "%s:" x, \ | |
50 | __FUNCTION__ , ##args); \ | |
51 | } while (0) | |
52 | #else | |
53 | #define DEBUGP(n, rdr, x, args...) | |
54 | #endif | |
55 | ||
56 | static char *version = | |
67bc6200 | 57 | "OMNIKEY CardMan 4040 v1.1.0gm5 - All bugs added by Harald Welte"; |
77c44ab1 HW |
58 | |
59 | #define CCID_DRIVER_BULK_DEFAULT_TIMEOUT (150*HZ) | |
60 | #define CCID_DRIVER_ASYNC_POWERUP_TIMEOUT (35*HZ) | |
61 | #define CCID_DRIVER_MINIMUM_TIMEOUT (3*HZ) | |
62 | #define READ_WRITE_BUFFER_SIZE 512 | |
63 | #define POLL_LOOP_COUNT 1000 | |
64 | ||
65 | /* how often to poll for fifo status change */ | |
66 | #define POLL_PERIOD msecs_to_jiffies(10) | |
67 | ||
68 | static void reader_release(dev_link_t *link); | |
77c44ab1 HW |
69 | |
70 | static int major; | |
67bc6200 | 71 | static struct class *cmx_class; |
77c44ab1 HW |
72 | |
73 | #define BS_READABLE 0x01 | |
74 | #define BS_WRITABLE 0x02 | |
75 | ||
76 | struct reader_dev { | |
77 | dev_link_t link; | |
78 | dev_node_t node; | |
79 | wait_queue_head_t devq; | |
80 | wait_queue_head_t poll_wait; | |
81 | wait_queue_head_t read_wait; | |
82 | wait_queue_head_t write_wait; | |
83 | unsigned long buffer_status; | |
84 | unsigned long timeout; | |
85 | unsigned char s_buf[READ_WRITE_BUFFER_SIZE]; | |
86 | unsigned char r_buf[READ_WRITE_BUFFER_SIZE]; | |
87 | struct timer_list poll_timer; | |
88 | }; | |
89 | ||
77c44ab1 HW |
90 | static dev_link_t *dev_table[CM_MAX_DEV]; |
91 | ||
92 | #ifndef PCMCIA_DEBUG | |
93 | #define xoutb outb | |
94 | #define xinb inb | |
95 | #else | |
96 | static inline void xoutb(unsigned char val, unsigned short port) | |
97 | { | |
98 | if (pc_debug >= 7) | |
99 | printk(KERN_DEBUG "outb(val=%.2x,port=%.4x)\n", val, port); | |
100 | outb(val, port); | |
101 | } | |
102 | ||
103 | static inline unsigned char xinb(unsigned short port) | |
104 | { | |
105 | unsigned char val; | |
106 | ||
107 | val = inb(port); | |
108 | if (pc_debug >= 7) | |
109 | printk(KERN_DEBUG "%.2x=inb(%.4x)\n", val, port); | |
110 | return val; | |
111 | } | |
112 | #endif | |
113 | ||
114 | /* poll the device fifo status register. not to be confused with | |
115 | * the poll syscall. */ | |
116 | static void cm4040_do_poll(unsigned long dummy) | |
117 | { | |
118 | struct reader_dev *dev = (struct reader_dev *) dummy; | |
119 | unsigned int obs = xinb(dev->link.io.BasePort1 | |
120 | + REG_OFFSET_BUFFER_STATUS); | |
121 | ||
122 | if ((obs & BSR_BULK_IN_FULL)) { | |
123 | set_bit(BS_READABLE, &dev->buffer_status); | |
124 | DEBUGP(4, dev, "waking up read_wait\n"); | |
125 | wake_up_interruptible(&dev->read_wait); | |
126 | } else | |
127 | clear_bit(BS_READABLE, &dev->buffer_status); | |
128 | ||
129 | if (!(obs & BSR_BULK_OUT_FULL)) { | |
130 | set_bit(BS_WRITABLE, &dev->buffer_status); | |
131 | DEBUGP(4, dev, "waking up write_wait\n"); | |
132 | wake_up_interruptible(&dev->write_wait); | |
133 | } else | |
134 | clear_bit(BS_WRITABLE, &dev->buffer_status); | |
135 | ||
136 | if (dev->buffer_status) | |
137 | wake_up_interruptible(&dev->poll_wait); | |
138 | ||
139 | mod_timer(&dev->poll_timer, jiffies + POLL_PERIOD); | |
140 | } | |
141 | ||
142 | static void cm4040_stop_poll(struct reader_dev *dev) | |
143 | { | |
144 | del_timer_sync(&dev->poll_timer); | |
145 | } | |
146 | ||
147 | static int wait_for_bulk_out_ready(struct reader_dev *dev) | |
148 | { | |
149 | int i, rc; | |
150 | int iobase = dev->link.io.BasePort1; | |
151 | ||
152 | for (i = 0; i < POLL_LOOP_COUNT; i++) { | |
153 | if ((xinb(iobase + REG_OFFSET_BUFFER_STATUS) | |
154 | & BSR_BULK_OUT_FULL) == 0) { | |
155 | DEBUGP(4, dev, "BulkOut empty (i=%d)\n", i); | |
156 | return 1; | |
157 | } | |
158 | } | |
159 | ||
160 | DEBUGP(4, dev, "wait_event_interruptible_timeout(timeout=%ld\n", | |
161 | dev->timeout); | |
162 | rc = wait_event_interruptible_timeout(dev->write_wait, | |
163 | test_and_clear_bit(BS_WRITABLE, | |
164 | &dev->buffer_status), | |
165 | dev->timeout); | |
166 | ||
167 | if (rc > 0) | |
168 | DEBUGP(4, dev, "woke up: BulkOut empty\n"); | |
169 | else if (rc == 0) | |
170 | DEBUGP(4, dev, "woke up: BulkOut full, returning 0 :(\n"); | |
171 | else if (rc < 0) | |
172 | DEBUGP(4, dev, "woke up: signal arrived\n"); | |
173 | ||
174 | return rc; | |
175 | } | |
176 | ||
177 | /* Write to Sync Control Register */ | |
178 | static int write_sync_reg(unsigned char val, struct reader_dev *dev) | |
179 | { | |
180 | int iobase = dev->link.io.BasePort1; | |
181 | int rc; | |
182 | ||
183 | rc = wait_for_bulk_out_ready(dev); | |
184 | if (rc <= 0) | |
185 | return rc; | |
186 | ||
187 | xoutb(val, iobase + REG_OFFSET_SYNC_CONTROL); | |
188 | rc = wait_for_bulk_out_ready(dev); | |
189 | if (rc <= 0) | |
190 | return rc; | |
191 | ||
192 | return 1; | |
193 | } | |
194 | ||
195 | static int wait_for_bulk_in_ready(struct reader_dev *dev) | |
196 | { | |
197 | int i, rc; | |
198 | int iobase = dev->link.io.BasePort1; | |
199 | ||
200 | for (i = 0; i < POLL_LOOP_COUNT; i++) { | |
201 | if ((xinb(iobase + REG_OFFSET_BUFFER_STATUS) | |
202 | & BSR_BULK_IN_FULL) == BSR_BULK_IN_FULL) { | |
203 | DEBUGP(3, dev, "BulkIn full (i=%d)\n", i); | |
204 | return 1; | |
205 | } | |
206 | } | |
207 | ||
208 | DEBUGP(4, dev, "wait_event_interruptible_timeout(timeout=%ld\n", | |
209 | dev->timeout); | |
210 | rc = wait_event_interruptible_timeout(dev->read_wait, | |
211 | test_and_clear_bit(BS_READABLE, | |
212 | &dev->buffer_status), | |
213 | dev->timeout); | |
214 | if (rc > 0) | |
215 | DEBUGP(4, dev, "woke up: BulkIn full\n"); | |
216 | else if (rc == 0) | |
217 | DEBUGP(4, dev, "woke up: BulkIn not full, returning 0 :(\n"); | |
218 | else if (rc < 0) | |
219 | DEBUGP(4, dev, "woke up: signal arrived\n"); | |
220 | ||
221 | return rc; | |
222 | } | |
223 | ||
224 | static ssize_t cm4040_read(struct file *filp, char __user *buf, | |
225 | size_t count, loff_t *ppos) | |
226 | { | |
227 | struct reader_dev *dev = filp->private_data; | |
228 | int iobase = dev->link.io.BasePort1; | |
229 | size_t bytes_to_read; | |
230 | unsigned long i; | |
231 | size_t min_bytes_to_read; | |
232 | int rc; | |
233 | unsigned char uc; | |
234 | ||
235 | DEBUGP(2, dev, "-> cm4040_read(%s,%d)\n", current->comm, current->pid); | |
236 | ||
237 | if (count == 0) | |
238 | return 0; | |
239 | ||
240 | if (count < 10) | |
241 | return -EFAULT; | |
242 | ||
243 | if (filp->f_flags & O_NONBLOCK) { | |
244 | DEBUGP(4, dev, "filep->f_flags O_NONBLOCK set\n"); | |
245 | DEBUGP(2, dev, "<- cm4040_read (failure)\n"); | |
246 | return -EAGAIN; | |
247 | } | |
248 | ||
249 | if ((dev->link.state & DEV_PRESENT)==0) | |
250 | return -ENODEV; | |
251 | ||
252 | for (i = 0; i < 5; i++) { | |
253 | rc = wait_for_bulk_in_ready(dev); | |
254 | if (rc <= 0) { | |
255 | DEBUGP(5, dev, "wait_for_bulk_in_ready rc=%.2x\n", rc); | |
256 | DEBUGP(2, dev, "<- cm4040_read (failed)\n"); | |
257 | if (rc == -ERESTARTSYS) | |
258 | return rc; | |
259 | return -EIO; | |
260 | } | |
261 | dev->r_buf[i] = xinb(iobase + REG_OFFSET_BULK_IN); | |
262 | #ifdef PCMCIA_DEBUG | |
263 | if (pc_debug >= 6) | |
264 | printk(KERN_DEBUG "%lu:%2x ", i, dev->r_buf[i]); | |
265 | } | |
266 | printk("\n"); | |
267 | #else | |
268 | } | |
269 | #endif | |
270 | ||
271 | bytes_to_read = 5 + le32_to_cpu(*(__le32 *)&dev->r_buf[1]); | |
272 | ||
273 | DEBUGP(6, dev, "BytesToRead=%lu\n", bytes_to_read); | |
274 | ||
275 | min_bytes_to_read = min(count, bytes_to_read + 5); | |
276 | ||
277 | DEBUGP(6, dev, "Min=%lu\n", min_bytes_to_read); | |
278 | ||
279 | for (i = 0; i < (min_bytes_to_read-5); i++) { | |
280 | rc = wait_for_bulk_in_ready(dev); | |
281 | if (rc <= 0) { | |
282 | DEBUGP(5, dev, "wait_for_bulk_in_ready rc=%.2x\n", rc); | |
283 | DEBUGP(2, dev, "<- cm4040_read (failed)\n"); | |
284 | if (rc == -ERESTARTSYS) | |
285 | return rc; | |
286 | return -EIO; | |
287 | } | |
288 | dev->r_buf[i+5] = xinb(iobase + REG_OFFSET_BULK_IN); | |
289 | #ifdef PCMCIA_DEBUG | |
290 | if (pc_debug >= 6) | |
291 | printk(KERN_DEBUG "%lu:%2x ", i, dev->r_buf[i]); | |
292 | } | |
293 | printk("\n"); | |
294 | #else | |
295 | } | |
296 | #endif | |
297 | ||
298 | *ppos = min_bytes_to_read; | |
299 | if (copy_to_user(buf, dev->r_buf, min_bytes_to_read)) | |
300 | return -EFAULT; | |
301 | ||
302 | rc = wait_for_bulk_in_ready(dev); | |
303 | if (rc <= 0) { | |
304 | DEBUGP(5, dev, "wait_for_bulk_in_ready rc=%.2x\n", rc); | |
305 | DEBUGP(2, dev, "<- cm4040_read (failed)\n"); | |
306 | if (rc == -ERESTARTSYS) | |
307 | return rc; | |
308 | return -EIO; | |
309 | } | |
310 | ||
311 | rc = write_sync_reg(SCR_READER_TO_HOST_DONE, dev); | |
312 | if (rc <= 0) { | |
313 | DEBUGP(5, dev, "write_sync_reg c=%.2x\n", rc); | |
314 | DEBUGP(2, dev, "<- cm4040_read (failed)\n"); | |
315 | if (rc == -ERESTARTSYS) | |
316 | return rc; | |
317 | else | |
318 | return -EIO; | |
319 | } | |
320 | ||
321 | uc = xinb(iobase + REG_OFFSET_BULK_IN); | |
322 | ||
323 | DEBUGP(2, dev, "<- cm4040_read (successfully)\n"); | |
324 | return min_bytes_to_read; | |
325 | } | |
326 | ||
327 | static ssize_t cm4040_write(struct file *filp, const char __user *buf, | |
328 | size_t count, loff_t *ppos) | |
329 | { | |
330 | struct reader_dev *dev = filp->private_data; | |
331 | int iobase = dev->link.io.BasePort1; | |
332 | ssize_t rc; | |
333 | int i; | |
334 | unsigned int bytes_to_write; | |
335 | ||
336 | DEBUGP(2, dev, "-> cm4040_write(%s,%d)\n", current->comm, current->pid); | |
337 | ||
338 | if (count == 0) { | |
339 | DEBUGP(2, dev, "<- cm4040_write empty read (successfully)\n"); | |
340 | return 0; | |
341 | } | |
342 | ||
343 | if (count < 5) { | |
344 | DEBUGP(2, dev, "<- cm4040_write buffersize=%Zd < 5\n", count); | |
345 | return -EIO; | |
346 | } | |
347 | ||
348 | if (filp->f_flags & O_NONBLOCK) { | |
349 | DEBUGP(4, dev, "filep->f_flags O_NONBLOCK set\n"); | |
350 | DEBUGP(4, dev, "<- cm4040_write (failure)\n"); | |
351 | return -EAGAIN; | |
352 | } | |
353 | ||
354 | if ((dev->link.state & DEV_PRESENT) == 0) | |
355 | return -ENODEV; | |
356 | ||
357 | bytes_to_write = count; | |
358 | if (copy_from_user(dev->s_buf, buf, bytes_to_write)) | |
359 | return -EFAULT; | |
360 | ||
361 | switch (dev->s_buf[0]) { | |
362 | case CMD_PC_TO_RDR_XFRBLOCK: | |
363 | case CMD_PC_TO_RDR_SECURE: | |
364 | case CMD_PC_TO_RDR_TEST_SECURE: | |
365 | case CMD_PC_TO_RDR_OK_SECURE: | |
366 | dev->timeout = CCID_DRIVER_BULK_DEFAULT_TIMEOUT; | |
367 | break; | |
368 | ||
369 | case CMD_PC_TO_RDR_ICCPOWERON: | |
370 | dev->timeout = CCID_DRIVER_ASYNC_POWERUP_TIMEOUT; | |
371 | break; | |
372 | ||
373 | case CMD_PC_TO_RDR_GETSLOTSTATUS: | |
374 | case CMD_PC_TO_RDR_ICCPOWEROFF: | |
375 | case CMD_PC_TO_RDR_GETPARAMETERS: | |
376 | case CMD_PC_TO_RDR_RESETPARAMETERS: | |
377 | case CMD_PC_TO_RDR_SETPARAMETERS: | |
378 | case CMD_PC_TO_RDR_ESCAPE: | |
379 | case CMD_PC_TO_RDR_ICCCLOCK: | |
380 | default: | |
381 | dev->timeout = CCID_DRIVER_MINIMUM_TIMEOUT; | |
382 | break; | |
383 | } | |
384 | ||
385 | rc = write_sync_reg(SCR_HOST_TO_READER_START, dev); | |
386 | if (rc <= 0) { | |
387 | DEBUGP(5, dev, "write_sync_reg c=%.2Zx\n", rc); | |
388 | DEBUGP(2, dev, "<- cm4040_write (failed)\n"); | |
389 | if (rc == -ERESTARTSYS) | |
390 | return rc; | |
391 | else | |
392 | return -EIO; | |
393 | } | |
394 | ||
395 | DEBUGP(4, dev, "start \n"); | |
396 | ||
397 | for (i = 0; i < bytes_to_write; i++) { | |
398 | rc = wait_for_bulk_out_ready(dev); | |
399 | if (rc <= 0) { | |
400 | DEBUGP(5, dev, "wait_for_bulk_out_ready rc=%.2Zx\n", | |
401 | rc); | |
402 | DEBUGP(2, dev, "<- cm4040_write (failed)\n"); | |
403 | if (rc == -ERESTARTSYS) | |
404 | return rc; | |
405 | else | |
406 | return -EIO; | |
407 | } | |
408 | ||
409 | xoutb(dev->s_buf[i],iobase + REG_OFFSET_BULK_OUT); | |
410 | } | |
411 | DEBUGP(4, dev, "end\n"); | |
412 | ||
413 | rc = write_sync_reg(SCR_HOST_TO_READER_DONE, dev); | |
414 | ||
415 | if (rc <= 0) { | |
416 | DEBUGP(5, dev, "write_sync_reg c=%.2Zx\n", rc); | |
417 | DEBUGP(2, dev, "<- cm4040_write (failed)\n"); | |
418 | if (rc == -ERESTARTSYS) | |
419 | return rc; | |
420 | else | |
421 | return -EIO; | |
422 | } | |
423 | ||
424 | DEBUGP(2, dev, "<- cm4040_write (successfully)\n"); | |
425 | return count; | |
426 | } | |
427 | ||
428 | static unsigned int cm4040_poll(struct file *filp, poll_table *wait) | |
429 | { | |
430 | struct reader_dev *dev = filp->private_data; | |
431 | unsigned int mask = 0; | |
432 | ||
433 | poll_wait(filp, &dev->poll_wait, wait); | |
434 | ||
435 | if (test_and_clear_bit(BS_READABLE, &dev->buffer_status)) | |
436 | mask |= POLLIN | POLLRDNORM; | |
437 | if (test_and_clear_bit(BS_WRITABLE, &dev->buffer_status)) | |
438 | mask |= POLLOUT | POLLWRNORM; | |
439 | ||
440 | DEBUGP(2, dev, "<- cm4040_poll(%u)\n", mask); | |
441 | ||
442 | return mask; | |
443 | } | |
444 | ||
445 | static int cm4040_open(struct inode *inode, struct file *filp) | |
446 | { | |
447 | struct reader_dev *dev; | |
448 | dev_link_t *link; | |
449 | int minor = iminor(inode); | |
450 | ||
451 | if (minor >= CM_MAX_DEV) | |
452 | return -ENODEV; | |
453 | ||
454 | link = dev_table[minor]; | |
455 | if (link == NULL || !(DEV_OK(link))) | |
456 | return -ENODEV; | |
457 | ||
458 | if (link->open) | |
459 | return -EBUSY; | |
460 | ||
461 | dev = link->priv; | |
462 | filp->private_data = dev; | |
463 | ||
464 | if (filp->f_flags & O_NONBLOCK) { | |
465 | DEBUGP(4, dev, "filep->f_flags O_NONBLOCK set\n"); | |
466 | return -EAGAIN; | |
467 | } | |
468 | ||
469 | link->open = 1; | |
470 | ||
471 | dev->poll_timer.data = (unsigned long) dev; | |
472 | mod_timer(&dev->poll_timer, jiffies + POLL_PERIOD); | |
473 | ||
474 | DEBUGP(2, dev, "<- cm4040_open (successfully)\n"); | |
475 | return nonseekable_open(inode, filp); | |
476 | } | |
477 | ||
478 | static int cm4040_close(struct inode *inode, struct file *filp) | |
479 | { | |
480 | struct reader_dev *dev = filp->private_data; | |
481 | dev_link_t *link; | |
482 | int minor = iminor(inode); | |
483 | ||
484 | DEBUGP(2, dev, "-> cm4040_close(maj/min=%d.%d)\n", imajor(inode), | |
485 | iminor(inode)); | |
486 | ||
487 | if (minor >= CM_MAX_DEV) | |
488 | return -ENODEV; | |
489 | ||
490 | link = dev_table[minor]; | |
491 | if (link == NULL) | |
492 | return -ENODEV; | |
493 | ||
494 | cm4040_stop_poll(dev); | |
495 | ||
496 | link->open = 0; | |
497 | wake_up(&dev->devq); | |
498 | ||
499 | DEBUGP(2, dev, "<- cm4040_close\n"); | |
500 | return 0; | |
501 | } | |
502 | ||
503 | static void cm4040_reader_release(dev_link_t *link) | |
504 | { | |
505 | struct reader_dev *dev = link->priv; | |
506 | ||
507 | DEBUGP(3, dev, "-> cm4040_reader_release\n"); | |
508 | while (link->open) { | |
509 | DEBUGP(3, dev, KERN_INFO MODULE_NAME ": delaying release " | |
510 | "until process has terminated\n"); | |
511 | wait_event(dev->devq, (link->open == 0)); | |
512 | } | |
513 | DEBUGP(3, dev, "<- cm4040_reader_release\n"); | |
514 | return; | |
515 | } | |
516 | ||
517 | static void reader_config(dev_link_t *link, int devno) | |
518 | { | |
519 | client_handle_t handle; | |
520 | struct reader_dev *dev; | |
521 | tuple_t tuple; | |
522 | cisparse_t parse; | |
77c44ab1 HW |
523 | u_char buf[64]; |
524 | int fail_fn, fail_rc; | |
525 | int rc; | |
526 | ||
527 | handle = link->handle; | |
528 | ||
529 | tuple.DesiredTuple = CISTPL_CONFIG; | |
530 | tuple.Attributes = 0; | |
531 | tuple.TupleData = buf; | |
532 | tuple.TupleDataMax = sizeof(buf); | |
533 | tuple.TupleOffset = 0; | |
534 | ||
535 | if ((fail_rc = pcmcia_get_first_tuple(handle, &tuple)) != CS_SUCCESS) { | |
536 | fail_fn = GetFirstTuple; | |
537 | goto cs_failed; | |
538 | } | |
539 | if ((fail_rc = pcmcia_get_tuple_data(handle, &tuple)) != CS_SUCCESS) { | |
540 | fail_fn = GetTupleData; | |
541 | goto cs_failed; | |
542 | } | |
543 | if ((fail_rc = pcmcia_parse_tuple(handle, &tuple, &parse)) | |
544 | != CS_SUCCESS) { | |
545 | fail_fn = ParseTuple; | |
546 | goto cs_failed; | |
547 | } | |
77c44ab1 HW |
548 | |
549 | link->state |= DEV_CONFIG; | |
550 | link->conf.ConfigBase = parse.config.base; | |
551 | link->conf.Present = parse.config.rmask[0]; | |
77c44ab1 HW |
552 | |
553 | link->io.BasePort2 = 0; | |
554 | link->io.NumPorts2 = 0; | |
555 | link->io.Attributes2 = 0; | |
556 | tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; | |
557 | for (rc = pcmcia_get_first_tuple(handle, &tuple); | |
558 | rc == CS_SUCCESS; | |
559 | rc = pcmcia_get_next_tuple(handle, &tuple)) { | |
560 | rc = pcmcia_get_tuple_data(handle, &tuple); | |
561 | if (rc != CS_SUCCESS) | |
562 | continue; | |
563 | rc = pcmcia_parse_tuple(handle, &tuple, &parse); | |
564 | if (rc != CS_SUCCESS) | |
565 | continue; | |
566 | ||
567 | link->conf.ConfigIndex = parse.cftable_entry.index; | |
568 | ||
569 | if (!parse.cftable_entry.io.nwin) | |
570 | continue; | |
571 | ||
572 | link->io.BasePort1 = parse.cftable_entry.io.win[0].base; | |
573 | link->io.NumPorts1 = parse.cftable_entry.io.win[0].len; | |
574 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; | |
575 | if (!(parse.cftable_entry.io.flags & CISTPL_IO_8BIT)) | |
576 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; | |
577 | if (!(parse.cftable_entry.io.flags & CISTPL_IO_16BIT)) | |
578 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; | |
579 | link->io.IOAddrLines = parse.cftable_entry.io.flags | |
580 | & CISTPL_IO_LINES_MASK; | |
581 | rc = pcmcia_request_io(handle, &link->io); | |
582 | ||
583 | dev_printk(KERN_INFO, &handle_to_dev(handle), "foo"); | |
584 | if (rc == CS_SUCCESS) | |
585 | break; | |
586 | else | |
587 | dev_printk(KERN_INFO, &handle_to_dev(handle), | |
588 | "pcmcia_request_io failed 0x%x\n", rc); | |
589 | } | |
590 | if (rc != CS_SUCCESS) | |
591 | goto cs_release; | |
592 | ||
593 | link->conf.IntType = 00000002; | |
594 | ||
595 | if ((fail_rc = pcmcia_request_configuration(handle,&link->conf)) | |
596 | !=CS_SUCCESS) { | |
597 | fail_fn = RequestConfiguration; | |
598 | dev_printk(KERN_INFO, &handle_to_dev(handle), | |
599 | "pcmcia_request_configuration failed 0x%x\n", | |
600 | fail_rc); | |
601 | goto cs_release; | |
602 | } | |
603 | ||
604 | dev = link->priv; | |
605 | sprintf(dev->node.dev_name, DEVICE_NAME "%d", devno); | |
606 | dev->node.major = major; | |
607 | dev->node.minor = devno; | |
608 | dev->node.next = NULL; | |
609 | link->dev = &dev->node; | |
610 | link->state &= ~DEV_CONFIG_PENDING; | |
611 | ||
612 | DEBUGP(2, dev, "device " DEVICE_NAME "%d at 0x%.4x-0x%.4x\n", devno, | |
613 | link->io.BasePort1, link->io.BasePort1+link->io.NumPorts1); | |
614 | DEBUGP(2, dev, "<- reader_config (succ)\n"); | |
615 | ||
616 | return; | |
617 | ||
618 | cs_failed: | |
619 | cs_error(handle, fail_fn, fail_rc); | |
620 | cs_release: | |
621 | reader_release(link); | |
622 | link->state &= ~DEV_CONFIG_PENDING; | |
623 | } | |
624 | ||
77c44ab1 HW |
625 | static void reader_release(dev_link_t *link) |
626 | { | |
627 | cm4040_reader_release(link->priv); | |
5f2a71fc | 628 | pcmcia_disable_device(link->handle); |
77c44ab1 HW |
629 | } |
630 | ||
f8cfa618 | 631 | static int reader_attach(struct pcmcia_device *p_dev) |
77c44ab1 HW |
632 | { |
633 | struct reader_dev *dev; | |
634 | dev_link_t *link; | |
77c44ab1 HW |
635 | int i; |
636 | ||
637 | for (i = 0; i < CM_MAX_DEV; i++) { | |
638 | if (dev_table[i] == NULL) | |
639 | break; | |
640 | } | |
641 | ||
642 | if (i == CM_MAX_DEV) | |
f8cfa618 | 643 | return -ENODEV; |
77c44ab1 HW |
644 | |
645 | dev = kzalloc(sizeof(struct reader_dev), GFP_KERNEL); | |
646 | if (dev == NULL) | |
f8cfa618 | 647 | return -ENOMEM; |
77c44ab1 HW |
648 | |
649 | dev->timeout = CCID_DRIVER_MINIMUM_TIMEOUT; | |
650 | dev->buffer_status = 0; | |
651 | ||
652 | link = &dev->link; | |
653 | link->priv = dev; | |
654 | ||
655 | link->conf.IntType = INT_MEMORY_AND_IO; | |
656 | dev_table[i] = link; | |
657 | ||
77c44ab1 HW |
658 | init_waitqueue_head(&dev->devq); |
659 | init_waitqueue_head(&dev->poll_wait); | |
660 | init_waitqueue_head(&dev->read_wait); | |
661 | init_waitqueue_head(&dev->write_wait); | |
662 | init_timer(&dev->poll_timer); | |
663 | dev->poll_timer.function = &cm4040_do_poll; | |
664 | ||
f8cfa618 DB |
665 | link->handle = p_dev; |
666 | p_dev->instance = link; | |
667 | ||
668 | link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; | |
669 | reader_config(link, i); | |
670 | ||
67bc6200 HW |
671 | class_device_create(cmx_class, NULL, MKDEV(major, i), NULL, |
672 | "cmx%d", i); | |
673 | ||
f8cfa618 | 674 | return 0; |
77c44ab1 HW |
675 | } |
676 | ||
cc3b4866 | 677 | static void reader_detach(struct pcmcia_device *p_dev) |
77c44ab1 | 678 | { |
cc3b4866 | 679 | dev_link_t *link = dev_to_instance(p_dev); |
77c44ab1 | 680 | struct reader_dev *dev = link->priv; |
cc3b4866 | 681 | int devno; |
77c44ab1 HW |
682 | |
683 | /* find device */ | |
cc3b4866 DB |
684 | for (devno = 0; devno < CM_MAX_DEV; devno++) { |
685 | if (dev_table[devno] == link) | |
77c44ab1 HW |
686 | break; |
687 | } | |
cc3b4866 | 688 | if (devno == CM_MAX_DEV) |
77c44ab1 HW |
689 | return; |
690 | ||
cc3b4866 DB |
691 | link->state &= ~DEV_PRESENT; |
692 | ||
693 | if (link->state & DEV_CONFIG) | |
694 | reader_release(link); | |
695 | ||
696 | dev_table[devno] = NULL; | |
697 | kfree(dev); | |
698 | ||
67bc6200 HW |
699 | class_device_destroy(cmx_class, MKDEV(major, devno)); |
700 | ||
77c44ab1 HW |
701 | return; |
702 | } | |
703 | ||
704 | static struct file_operations reader_fops = { | |
705 | .owner = THIS_MODULE, | |
706 | .read = cm4040_read, | |
707 | .write = cm4040_write, | |
708 | .open = cm4040_open, | |
709 | .release = cm4040_close, | |
710 | .poll = cm4040_poll, | |
711 | }; | |
712 | ||
713 | static struct pcmcia_device_id cm4040_ids[] = { | |
714 | PCMCIA_DEVICE_MANF_CARD(0x0223, 0x0200), | |
715 | PCMCIA_DEVICE_PROD_ID12("OMNIKEY", "CardMan 4040", | |
716 | 0xE32CDD8C, 0x8F23318B), | |
717 | PCMCIA_DEVICE_NULL, | |
718 | }; | |
719 | MODULE_DEVICE_TABLE(pcmcia, cm4040_ids); | |
720 | ||
721 | static struct pcmcia_driver reader_driver = { | |
722 | .owner = THIS_MODULE, | |
723 | .drv = { | |
724 | .name = "cm4040_cs", | |
725 | }, | |
f8cfa618 | 726 | .probe = reader_attach, |
cc3b4866 | 727 | .remove = reader_detach, |
77c44ab1 HW |
728 | .id_table = cm4040_ids, |
729 | }; | |
730 | ||
731 | static int __init cm4040_init(void) | |
732 | { | |
67bc6200 HW |
733 | int rc; |
734 | ||
77c44ab1 | 735 | printk(KERN_INFO "%s\n", version); |
67bc6200 HW |
736 | cmx_class = class_create(THIS_MODULE, "cardman_4040"); |
737 | if (!cmx_class) | |
738 | return -1; | |
739 | ||
740 | rc = pcmcia_register_driver(&reader_driver); | |
741 | if (rc < 0) | |
742 | return rc; | |
743 | ||
77c44ab1 HW |
744 | major = register_chrdev(0, DEVICE_NAME, &reader_fops); |
745 | if (major < 0) { | |
746 | printk(KERN_WARNING MODULE_NAME | |
747 | ": could not get major number\n"); | |
748 | return -1; | |
749 | } | |
750 | return 0; | |
751 | } | |
752 | ||
753 | static void __exit cm4040_exit(void) | |
754 | { | |
77c44ab1 HW |
755 | printk(KERN_INFO MODULE_NAME ": unloading\n"); |
756 | pcmcia_unregister_driver(&reader_driver); | |
77c44ab1 | 757 | unregister_chrdev(major, DEVICE_NAME); |
67bc6200 | 758 | class_destroy(cmx_class); |
77c44ab1 HW |
759 | } |
760 | ||
761 | module_init(cm4040_init); | |
762 | module_exit(cm4040_exit); | |
763 | MODULE_LICENSE("Dual BSD/GPL"); |