Root/
1 | /* |
2 | * |
3 | * Driver for Bluetooth PCMCIA cards with HCI UART interface |
4 | * |
5 | * Copyright (C) 2001-2002 Marcel Holtmann <marcel@holtmann.org> |
6 | * |
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 version 2 as |
10 | * published by the Free Software Foundation; |
11 | * |
12 | * Software distributed under the License is distributed on an "AS |
13 | * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or |
14 | * implied. See the License for the specific language governing |
15 | * rights and limitations under the License. |
16 | * |
17 | * The initial developer of the original code is David A. Hinds |
18 | * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds |
19 | * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. |
20 | * |
21 | */ |
22 | |
23 | #include <linux/module.h> |
24 | |
25 | #include <linux/kernel.h> |
26 | #include <linux/init.h> |
27 | #include <linux/slab.h> |
28 | #include <linux/types.h> |
29 | #include <linux/delay.h> |
30 | #include <linux/errno.h> |
31 | #include <linux/ptrace.h> |
32 | #include <linux/ioport.h> |
33 | #include <linux/spinlock.h> |
34 | #include <linux/moduleparam.h> |
35 | |
36 | #include <linux/skbuff.h> |
37 | #include <linux/string.h> |
38 | #include <linux/serial.h> |
39 | #include <linux/serial_reg.h> |
40 | #include <linux/bitops.h> |
41 | #include <asm/io.h> |
42 | |
43 | #include <pcmcia/cistpl.h> |
44 | #include <pcmcia/ciscode.h> |
45 | #include <pcmcia/ds.h> |
46 | #include <pcmcia/cisreg.h> |
47 | |
48 | #include <net/bluetooth/bluetooth.h> |
49 | #include <net/bluetooth/hci_core.h> |
50 | |
51 | |
52 | |
53 | /* ======================== Module parameters ======================== */ |
54 | |
55 | |
56 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
57 | MODULE_DESCRIPTION("Bluetooth driver for Bluetooth PCMCIA cards with HCI UART interface"); |
58 | MODULE_LICENSE("GPL"); |
59 | |
60 | |
61 | |
62 | /* ======================== Local structures ======================== */ |
63 | |
64 | |
65 | typedef struct btuart_info_t { |
66 | struct pcmcia_device *p_dev; |
67 | |
68 | struct hci_dev *hdev; |
69 | |
70 | spinlock_t lock; /* For serializing operations */ |
71 | |
72 | struct sk_buff_head txq; |
73 | unsigned long tx_state; |
74 | |
75 | unsigned long rx_state; |
76 | unsigned long rx_count; |
77 | struct sk_buff *rx_skb; |
78 | } btuart_info_t; |
79 | |
80 | |
81 | static int btuart_config(struct pcmcia_device *link); |
82 | static void btuart_release(struct pcmcia_device *link); |
83 | |
84 | static void btuart_detach(struct pcmcia_device *p_dev); |
85 | |
86 | |
87 | /* Maximum baud rate */ |
88 | #define SPEED_MAX 115200 |
89 | |
90 | /* Default baud rate: 57600, 115200, 230400 or 460800 */ |
91 | #define DEFAULT_BAUD_RATE 115200 |
92 | |
93 | |
94 | /* Transmit states */ |
95 | #define XMIT_SENDING 1 |
96 | #define XMIT_WAKEUP 2 |
97 | #define XMIT_WAITING 8 |
98 | |
99 | /* Receiver states */ |
100 | #define RECV_WAIT_PACKET_TYPE 0 |
101 | #define RECV_WAIT_EVENT_HEADER 1 |
102 | #define RECV_WAIT_ACL_HEADER 2 |
103 | #define RECV_WAIT_SCO_HEADER 3 |
104 | #define RECV_WAIT_DATA 4 |
105 | |
106 | |
107 | |
108 | /* ======================== Interrupt handling ======================== */ |
109 | |
110 | |
111 | static int btuart_write(unsigned int iobase, int fifo_size, __u8 *buf, int len) |
112 | { |
113 | int actual = 0; |
114 | |
115 | /* Tx FIFO should be empty */ |
116 | if (!(inb(iobase + UART_LSR) & UART_LSR_THRE)) |
117 | return 0; |
118 | |
119 | /* Fill FIFO with current frame */ |
120 | while ((fifo_size-- > 0) && (actual < len)) { |
121 | /* Transmit next byte */ |
122 | outb(buf[actual], iobase + UART_TX); |
123 | actual++; |
124 | } |
125 | |
126 | return actual; |
127 | } |
128 | |
129 | |
130 | static void btuart_write_wakeup(btuart_info_t *info) |
131 | { |
132 | if (!info) { |
133 | BT_ERR("Unknown device"); |
134 | return; |
135 | } |
136 | |
137 | if (test_and_set_bit(XMIT_SENDING, &(info->tx_state))) { |
138 | set_bit(XMIT_WAKEUP, &(info->tx_state)); |
139 | return; |
140 | } |
141 | |
142 | do { |
143 | unsigned int iobase = info->p_dev->resource[0]->start; |
144 | register struct sk_buff *skb; |
145 | int len; |
146 | |
147 | clear_bit(XMIT_WAKEUP, &(info->tx_state)); |
148 | |
149 | if (!pcmcia_dev_present(info->p_dev)) |
150 | return; |
151 | |
152 | if (!(skb = skb_dequeue(&(info->txq)))) |
153 | break; |
154 | |
155 | /* Send frame */ |
156 | len = btuart_write(iobase, 16, skb->data, skb->len); |
157 | set_bit(XMIT_WAKEUP, &(info->tx_state)); |
158 | |
159 | if (len == skb->len) { |
160 | kfree_skb(skb); |
161 | } else { |
162 | skb_pull(skb, len); |
163 | skb_queue_head(&(info->txq), skb); |
164 | } |
165 | |
166 | info->hdev->stat.byte_tx += len; |
167 | |
168 | } while (test_bit(XMIT_WAKEUP, &(info->tx_state))); |
169 | |
170 | clear_bit(XMIT_SENDING, &(info->tx_state)); |
171 | } |
172 | |
173 | |
174 | static void btuart_receive(btuart_info_t *info) |
175 | { |
176 | unsigned int iobase; |
177 | int boguscount = 0; |
178 | |
179 | if (!info) { |
180 | BT_ERR("Unknown device"); |
181 | return; |
182 | } |
183 | |
184 | iobase = info->p_dev->resource[0]->start; |
185 | |
186 | do { |
187 | info->hdev->stat.byte_rx++; |
188 | |
189 | /* Allocate packet */ |
190 | if (info->rx_skb == NULL) { |
191 | info->rx_state = RECV_WAIT_PACKET_TYPE; |
192 | info->rx_count = 0; |
193 | if (!(info->rx_skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC))) { |
194 | BT_ERR("Can't allocate mem for new packet"); |
195 | return; |
196 | } |
197 | } |
198 | |
199 | if (info->rx_state == RECV_WAIT_PACKET_TYPE) { |
200 | |
201 | info->rx_skb->dev = (void *) info->hdev; |
202 | bt_cb(info->rx_skb)->pkt_type = inb(iobase + UART_RX); |
203 | |
204 | switch (bt_cb(info->rx_skb)->pkt_type) { |
205 | |
206 | case HCI_EVENT_PKT: |
207 | info->rx_state = RECV_WAIT_EVENT_HEADER; |
208 | info->rx_count = HCI_EVENT_HDR_SIZE; |
209 | break; |
210 | |
211 | case HCI_ACLDATA_PKT: |
212 | info->rx_state = RECV_WAIT_ACL_HEADER; |
213 | info->rx_count = HCI_ACL_HDR_SIZE; |
214 | break; |
215 | |
216 | case HCI_SCODATA_PKT: |
217 | info->rx_state = RECV_WAIT_SCO_HEADER; |
218 | info->rx_count = HCI_SCO_HDR_SIZE; |
219 | break; |
220 | |
221 | default: |
222 | /* Unknown packet */ |
223 | BT_ERR("Unknown HCI packet with type 0x%02x received", bt_cb(info->rx_skb)->pkt_type); |
224 | info->hdev->stat.err_rx++; |
225 | clear_bit(HCI_RUNNING, &(info->hdev->flags)); |
226 | |
227 | kfree_skb(info->rx_skb); |
228 | info->rx_skb = NULL; |
229 | break; |
230 | |
231 | } |
232 | |
233 | } else { |
234 | |
235 | *skb_put(info->rx_skb, 1) = inb(iobase + UART_RX); |
236 | info->rx_count--; |
237 | |
238 | if (info->rx_count == 0) { |
239 | |
240 | int dlen; |
241 | struct hci_event_hdr *eh; |
242 | struct hci_acl_hdr *ah; |
243 | struct hci_sco_hdr *sh; |
244 | |
245 | |
246 | switch (info->rx_state) { |
247 | |
248 | case RECV_WAIT_EVENT_HEADER: |
249 | eh = hci_event_hdr(info->rx_skb); |
250 | info->rx_state = RECV_WAIT_DATA; |
251 | info->rx_count = eh->plen; |
252 | break; |
253 | |
254 | case RECV_WAIT_ACL_HEADER: |
255 | ah = hci_acl_hdr(info->rx_skb); |
256 | dlen = __le16_to_cpu(ah->dlen); |
257 | info->rx_state = RECV_WAIT_DATA; |
258 | info->rx_count = dlen; |
259 | break; |
260 | |
261 | case RECV_WAIT_SCO_HEADER: |
262 | sh = hci_sco_hdr(info->rx_skb); |
263 | info->rx_state = RECV_WAIT_DATA; |
264 | info->rx_count = sh->dlen; |
265 | break; |
266 | |
267 | case RECV_WAIT_DATA: |
268 | hci_recv_frame(info->rx_skb); |
269 | info->rx_skb = NULL; |
270 | break; |
271 | |
272 | } |
273 | |
274 | } |
275 | |
276 | } |
277 | |
278 | /* Make sure we don't stay here too long */ |
279 | if (boguscount++ > 16) |
280 | break; |
281 | |
282 | } while (inb(iobase + UART_LSR) & UART_LSR_DR); |
283 | } |
284 | |
285 | |
286 | static irqreturn_t btuart_interrupt(int irq, void *dev_inst) |
287 | { |
288 | btuart_info_t *info = dev_inst; |
289 | unsigned int iobase; |
290 | int boguscount = 0; |
291 | int iir, lsr; |
292 | irqreturn_t r = IRQ_NONE; |
293 | |
294 | if (!info || !info->hdev) |
295 | /* our irq handler is shared */ |
296 | return IRQ_NONE; |
297 | |
298 | iobase = info->p_dev->resource[0]->start; |
299 | |
300 | spin_lock(&(info->lock)); |
301 | |
302 | iir = inb(iobase + UART_IIR) & UART_IIR_ID; |
303 | while (iir) { |
304 | r = IRQ_HANDLED; |
305 | |
306 | /* Clear interrupt */ |
307 | lsr = inb(iobase + UART_LSR); |
308 | |
309 | switch (iir) { |
310 | case UART_IIR_RLSI: |
311 | BT_ERR("RLSI"); |
312 | break; |
313 | case UART_IIR_RDI: |
314 | /* Receive interrupt */ |
315 | btuart_receive(info); |
316 | break; |
317 | case UART_IIR_THRI: |
318 | if (lsr & UART_LSR_THRE) { |
319 | /* Transmitter ready for data */ |
320 | btuart_write_wakeup(info); |
321 | } |
322 | break; |
323 | default: |
324 | BT_ERR("Unhandled IIR=%#x", iir); |
325 | break; |
326 | } |
327 | |
328 | /* Make sure we don't stay here too long */ |
329 | if (boguscount++ > 100) |
330 | break; |
331 | |
332 | iir = inb(iobase + UART_IIR) & UART_IIR_ID; |
333 | |
334 | } |
335 | |
336 | spin_unlock(&(info->lock)); |
337 | |
338 | return r; |
339 | } |
340 | |
341 | |
342 | static void btuart_change_speed(btuart_info_t *info, unsigned int speed) |
343 | { |
344 | unsigned long flags; |
345 | unsigned int iobase; |
346 | int fcr; /* FIFO control reg */ |
347 | int lcr; /* Line control reg */ |
348 | int divisor; |
349 | |
350 | if (!info) { |
351 | BT_ERR("Unknown device"); |
352 | return; |
353 | } |
354 | |
355 | iobase = info->p_dev->resource[0]->start; |
356 | |
357 | spin_lock_irqsave(&(info->lock), flags); |
358 | |
359 | /* Turn off interrupts */ |
360 | outb(0, iobase + UART_IER); |
361 | |
362 | divisor = SPEED_MAX / speed; |
363 | |
364 | fcr = UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT; |
365 | |
366 | /* |
367 | * Use trigger level 1 to avoid 3 ms. timeout delay at 9600 bps, and |
368 | * almost 1,7 ms at 19200 bps. At speeds above that we can just forget |
369 | * about this timeout since it will always be fast enough. |
370 | */ |
371 | |
372 | if (speed < 38400) |
373 | fcr |= UART_FCR_TRIGGER_1; |
374 | else |
375 | fcr |= UART_FCR_TRIGGER_14; |
376 | |
377 | /* Bluetooth cards use 8N1 */ |
378 | lcr = UART_LCR_WLEN8; |
379 | |
380 | outb(UART_LCR_DLAB | lcr, iobase + UART_LCR); /* Set DLAB */ |
381 | outb(divisor & 0xff, iobase + UART_DLL); /* Set speed */ |
382 | outb(divisor >> 8, iobase + UART_DLM); |
383 | outb(lcr, iobase + UART_LCR); /* Set 8N1 */ |
384 | outb(fcr, iobase + UART_FCR); /* Enable FIFO's */ |
385 | |
386 | /* Turn on interrupts */ |
387 | outb(UART_IER_RLSI | UART_IER_RDI | UART_IER_THRI, iobase + UART_IER); |
388 | |
389 | spin_unlock_irqrestore(&(info->lock), flags); |
390 | } |
391 | |
392 | |
393 | |
394 | /* ======================== HCI interface ======================== */ |
395 | |
396 | |
397 | static int btuart_hci_flush(struct hci_dev *hdev) |
398 | { |
399 | btuart_info_t *info = hci_get_drvdata(hdev); |
400 | |
401 | /* Drop TX queue */ |
402 | skb_queue_purge(&(info->txq)); |
403 | |
404 | return 0; |
405 | } |
406 | |
407 | |
408 | static int btuart_hci_open(struct hci_dev *hdev) |
409 | { |
410 | set_bit(HCI_RUNNING, &(hdev->flags)); |
411 | |
412 | return 0; |
413 | } |
414 | |
415 | |
416 | static int btuart_hci_close(struct hci_dev *hdev) |
417 | { |
418 | if (!test_and_clear_bit(HCI_RUNNING, &(hdev->flags))) |
419 | return 0; |
420 | |
421 | btuart_hci_flush(hdev); |
422 | |
423 | return 0; |
424 | } |
425 | |
426 | |
427 | static int btuart_hci_send_frame(struct sk_buff *skb) |
428 | { |
429 | btuart_info_t *info; |
430 | struct hci_dev *hdev = (struct hci_dev *)(skb->dev); |
431 | |
432 | if (!hdev) { |
433 | BT_ERR("Frame for unknown HCI device (hdev=NULL)"); |
434 | return -ENODEV; |
435 | } |
436 | |
437 | info = hci_get_drvdata(hdev); |
438 | |
439 | switch (bt_cb(skb)->pkt_type) { |
440 | case HCI_COMMAND_PKT: |
441 | hdev->stat.cmd_tx++; |
442 | break; |
443 | case HCI_ACLDATA_PKT: |
444 | hdev->stat.acl_tx++; |
445 | break; |
446 | case HCI_SCODATA_PKT: |
447 | hdev->stat.sco_tx++; |
448 | break; |
449 | } |
450 | |
451 | /* Prepend skb with frame type */ |
452 | memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1); |
453 | skb_queue_tail(&(info->txq), skb); |
454 | |
455 | btuart_write_wakeup(info); |
456 | |
457 | return 0; |
458 | } |
459 | |
460 | |
461 | static int btuart_hci_ioctl(struct hci_dev *hdev, unsigned int cmd, unsigned long arg) |
462 | { |
463 | return -ENOIOCTLCMD; |
464 | } |
465 | |
466 | |
467 | |
468 | /* ======================== Card services HCI interaction ======================== */ |
469 | |
470 | |
471 | static int btuart_open(btuart_info_t *info) |
472 | { |
473 | unsigned long flags; |
474 | unsigned int iobase = info->p_dev->resource[0]->start; |
475 | struct hci_dev *hdev; |
476 | |
477 | spin_lock_init(&(info->lock)); |
478 | |
479 | skb_queue_head_init(&(info->txq)); |
480 | |
481 | info->rx_state = RECV_WAIT_PACKET_TYPE; |
482 | info->rx_count = 0; |
483 | info->rx_skb = NULL; |
484 | |
485 | /* Initialize HCI device */ |
486 | hdev = hci_alloc_dev(); |
487 | if (!hdev) { |
488 | BT_ERR("Can't allocate HCI device"); |
489 | return -ENOMEM; |
490 | } |
491 | |
492 | info->hdev = hdev; |
493 | |
494 | hdev->bus = HCI_PCCARD; |
495 | hci_set_drvdata(hdev, info); |
496 | SET_HCIDEV_DEV(hdev, &info->p_dev->dev); |
497 | |
498 | hdev->open = btuart_hci_open; |
499 | hdev->close = btuart_hci_close; |
500 | hdev->flush = btuart_hci_flush; |
501 | hdev->send = btuart_hci_send_frame; |
502 | hdev->ioctl = btuart_hci_ioctl; |
503 | |
504 | spin_lock_irqsave(&(info->lock), flags); |
505 | |
506 | /* Reset UART */ |
507 | outb(0, iobase + UART_MCR); |
508 | |
509 | /* Turn off interrupts */ |
510 | outb(0, iobase + UART_IER); |
511 | |
512 | /* Initialize UART */ |
513 | outb(UART_LCR_WLEN8, iobase + UART_LCR); /* Reset DLAB */ |
514 | outb((UART_MCR_DTR | UART_MCR_RTS | UART_MCR_OUT2), iobase + UART_MCR); |
515 | |
516 | /* Turn on interrupts */ |
517 | // outb(UART_IER_RLSI | UART_IER_RDI | UART_IER_THRI, iobase + UART_IER); |
518 | |
519 | spin_unlock_irqrestore(&(info->lock), flags); |
520 | |
521 | btuart_change_speed(info, DEFAULT_BAUD_RATE); |
522 | |
523 | /* Timeout before it is safe to send the first HCI packet */ |
524 | msleep(1000); |
525 | |
526 | /* Register HCI device */ |
527 | if (hci_register_dev(hdev) < 0) { |
528 | BT_ERR("Can't register HCI device"); |
529 | info->hdev = NULL; |
530 | hci_free_dev(hdev); |
531 | return -ENODEV; |
532 | } |
533 | |
534 | return 0; |
535 | } |
536 | |
537 | |
538 | static int btuart_close(btuart_info_t *info) |
539 | { |
540 | unsigned long flags; |
541 | unsigned int iobase = info->p_dev->resource[0]->start; |
542 | struct hci_dev *hdev = info->hdev; |
543 | |
544 | if (!hdev) |
545 | return -ENODEV; |
546 | |
547 | btuart_hci_close(hdev); |
548 | |
549 | spin_lock_irqsave(&(info->lock), flags); |
550 | |
551 | /* Reset UART */ |
552 | outb(0, iobase + UART_MCR); |
553 | |
554 | /* Turn off interrupts */ |
555 | outb(0, iobase + UART_IER); |
556 | |
557 | spin_unlock_irqrestore(&(info->lock), flags); |
558 | |
559 | hci_unregister_dev(hdev); |
560 | hci_free_dev(hdev); |
561 | |
562 | return 0; |
563 | } |
564 | |
565 | static int btuart_probe(struct pcmcia_device *link) |
566 | { |
567 | btuart_info_t *info; |
568 | |
569 | /* Create new info device */ |
570 | info = devm_kzalloc(&link->dev, sizeof(*info), GFP_KERNEL); |
571 | if (!info) |
572 | return -ENOMEM; |
573 | |
574 | info->p_dev = link; |
575 | link->priv = info; |
576 | |
577 | link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_VPP | |
578 | CONF_AUTO_SET_IO; |
579 | |
580 | return btuart_config(link); |
581 | } |
582 | |
583 | |
584 | static void btuart_detach(struct pcmcia_device *link) |
585 | { |
586 | btuart_release(link); |
587 | } |
588 | |
589 | static int btuart_check_config(struct pcmcia_device *p_dev, void *priv_data) |
590 | { |
591 | int *try = priv_data; |
592 | |
593 | if (!try) |
594 | p_dev->io_lines = 16; |
595 | |
596 | if ((p_dev->resource[0]->end != 8) || (p_dev->resource[0]->start == 0)) |
597 | return -EINVAL; |
598 | |
599 | p_dev->resource[0]->end = 8; |
600 | p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; |
601 | p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8; |
602 | |
603 | return pcmcia_request_io(p_dev); |
604 | } |
605 | |
606 | static int btuart_check_config_notpicky(struct pcmcia_device *p_dev, |
607 | void *priv_data) |
608 | { |
609 | static unsigned int base[5] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 }; |
610 | int j; |
611 | |
612 | if (p_dev->io_lines > 3) |
613 | return -ENODEV; |
614 | |
615 | p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; |
616 | p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8; |
617 | p_dev->resource[0]->end = 8; |
618 | |
619 | for (j = 0; j < 5; j++) { |
620 | p_dev->resource[0]->start = base[j]; |
621 | p_dev->io_lines = base[j] ? 16 : 3; |
622 | if (!pcmcia_request_io(p_dev)) |
623 | return 0; |
624 | } |
625 | return -ENODEV; |
626 | } |
627 | |
628 | static int btuart_config(struct pcmcia_device *link) |
629 | { |
630 | btuart_info_t *info = link->priv; |
631 | int i; |
632 | int try; |
633 | |
634 | /* First pass: look for a config entry that looks normal. |
635 | Two tries: without IO aliases, then with aliases */ |
636 | for (try = 0; try < 2; try++) |
637 | if (!pcmcia_loop_config(link, btuart_check_config, &try)) |
638 | goto found_port; |
639 | |
640 | /* Second pass: try to find an entry that isn't picky about |
641 | its base address, then try to grab any standard serial port |
642 | address, and finally try to get any free port. */ |
643 | if (!pcmcia_loop_config(link, btuart_check_config_notpicky, NULL)) |
644 | goto found_port; |
645 | |
646 | BT_ERR("No usable port range found"); |
647 | goto failed; |
648 | |
649 | found_port: |
650 | i = pcmcia_request_irq(link, btuart_interrupt); |
651 | if (i != 0) |
652 | goto failed; |
653 | |
654 | i = pcmcia_enable_device(link); |
655 | if (i != 0) |
656 | goto failed; |
657 | |
658 | if (btuart_open(info) != 0) |
659 | goto failed; |
660 | |
661 | return 0; |
662 | |
663 | failed: |
664 | btuart_release(link); |
665 | return -ENODEV; |
666 | } |
667 | |
668 | |
669 | static void btuart_release(struct pcmcia_device *link) |
670 | { |
671 | btuart_info_t *info = link->priv; |
672 | |
673 | btuart_close(info); |
674 | |
675 | pcmcia_disable_device(link); |
676 | } |
677 | |
678 | static const struct pcmcia_device_id btuart_ids[] = { |
679 | /* don't use this driver. Use serial_cs + hci_uart instead */ |
680 | PCMCIA_DEVICE_NULL |
681 | }; |
682 | MODULE_DEVICE_TABLE(pcmcia, btuart_ids); |
683 | |
684 | static struct pcmcia_driver btuart_driver = { |
685 | .owner = THIS_MODULE, |
686 | .name = "btuart_cs", |
687 | .probe = btuart_probe, |
688 | .remove = btuart_detach, |
689 | .id_table = btuart_ids, |
690 | }; |
691 | module_pcmcia_driver(btuart_driver); |
692 |
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v2.6.34-rc5
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