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serial: sh-sci: Generalize port pin initialization.
[linux-2.6/mini2440.git] / drivers / bluetooth / bfusb.c
blob90a0946346303c4d654afd215bfbcda2c9e66f1b
1 /*
2 *
3 * AVM BlueFRITZ! USB driver
4 *
5 * Copyright (C) 2003-2006 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 */
23
24 #include <linux/module.h>
25
26 #include <linux/kernel.h>
27 #include <linux/init.h>
28 #include <linux/slab.h>
29 #include <linux/types.h>
30 #include <linux/errno.h>
31 #include <linux/skbuff.h>
32
33 #include <linux/device.h>
34 #include <linux/firmware.h>
35
36 #include <linux/usb.h>
37
38 #include <net/bluetooth/bluetooth.h>
39 #include <net/bluetooth/hci_core.h>
40
41 #ifndef CONFIG_BT_HCIBFUSB_DEBUG
42 #undef BT_DBG
43 #define BT_DBG(D...)
44 #endif
45
46 #define VERSION "1.2"
47
48 static struct usb_driver bfusb_driver;
49
50 static struct usb_device_id bfusb_table[] = {
51 /* AVM BlueFRITZ! USB */
52 { USB_DEVICE(0x057c, 0x2200) },
53
54 { } /* Terminating entry */
55 };
56
57 MODULE_DEVICE_TABLE(usb, bfusb_table);
58
59 #define BFUSB_MAX_BLOCK_SIZE 256
60
61 #define BFUSB_BLOCK_TIMEOUT 3000
62
63 #define BFUSB_TX_PROCESS 1
64 #define BFUSB_TX_WAKEUP 2
65
66 #define BFUSB_MAX_BULK_TX 2
67 #define BFUSB_MAX_BULK_RX 2
68
69 struct bfusb_data {
70 struct hci_dev *hdev;
71
72 unsigned long state;
73
74 struct usb_device *udev;
75
76 unsigned int bulk_in_ep;
77 unsigned int bulk_out_ep;
78 unsigned int bulk_pkt_size;
79
80 rwlock_t lock;
81
82 struct sk_buff_head transmit_q;
83
84 struct sk_buff *reassembly;
85
86 atomic_t pending_tx;
87 struct sk_buff_head pending_q;
88 struct sk_buff_head completed_q;
89 };
90
91 struct bfusb_data_scb {
92 struct urb *urb;
93 };
94
95 static void bfusb_tx_complete(struct urb *urb);
96 static void bfusb_rx_complete(struct urb *urb);
97
98 static struct urb *bfusb_get_completed(struct bfusb_data *data)
99 {
100 struct sk_buff *skb;
101 struct urb *urb = NULL;
102
103 BT_DBG("bfusb %p", data);
104
105 skb = skb_dequeue(&data->completed_q);
106 if (skb) {
107 urb = ((struct bfusb_data_scb *) skb->cb)->urb;
108 kfree_skb(skb);
109 }
110
111 return urb;
112 }
113
114 static void bfusb_unlink_urbs(struct bfusb_data *data)
115 {
116 struct sk_buff *skb;
117 struct urb *urb;
118
119 BT_DBG("bfusb %p", data);
120
121 while ((skb = skb_dequeue(&data->pending_q))) {
122 urb = ((struct bfusb_data_scb *) skb->cb)->urb;
123 usb_kill_urb(urb);
124 skb_queue_tail(&data->completed_q, skb);
125 }
126
127 while ((urb = bfusb_get_completed(data)))
128 usb_free_urb(urb);
129 }
130
131 static int bfusb_send_bulk(struct bfusb_data *data, struct sk_buff *skb)
132 {
133 struct bfusb_data_scb *scb = (void *) skb->cb;
134 struct urb *urb = bfusb_get_completed(data);
135 int err, pipe;
136
137 BT_DBG("bfusb %p skb %p len %d", data, skb, skb->len);
138
139 if (!urb && !(urb = usb_alloc_urb(0, GFP_ATOMIC)))
140 return -ENOMEM;
141
142 pipe = usb_sndbulkpipe(data->udev, data->bulk_out_ep);
143
144 usb_fill_bulk_urb(urb, data->udev, pipe, skb->data, skb->len,
145 bfusb_tx_complete, skb);
146
147 scb->urb = urb;
148
149 skb_queue_tail(&data->pending_q, skb);
150
151 err = usb_submit_urb(urb, GFP_ATOMIC);
152 if (err) {
153 BT_ERR("%s bulk tx submit failed urb %p err %d",
154 data->hdev->name, urb, err);
155 skb_unlink(skb, &data->pending_q);
156 usb_free_urb(urb);
157 } else
158 atomic_inc(&data->pending_tx);
159
160 return err;
161 }
162
163 static void bfusb_tx_wakeup(struct bfusb_data *data)
164 {
165 struct sk_buff *skb;
166
167 BT_DBG("bfusb %p", data);
168
169 if (test_and_set_bit(BFUSB_TX_PROCESS, &data->state)) {
170 set_bit(BFUSB_TX_WAKEUP, &data->state);
171 return;
172 }
173
174 do {
175 clear_bit(BFUSB_TX_WAKEUP, &data->state);
176
177 while ((atomic_read(&data->pending_tx) < BFUSB_MAX_BULK_TX) &&
178 (skb = skb_dequeue(&data->transmit_q))) {
179 if (bfusb_send_bulk(data, skb) < 0) {
180 skb_queue_head(&data->transmit_q, skb);
181 break;
182 }
183 }
184
185 } while (test_bit(BFUSB_TX_WAKEUP, &data->state));
186
187 clear_bit(BFUSB_TX_PROCESS, &data->state);
188 }
189
190 static void bfusb_tx_complete(struct urb *urb)
191 {
192 struct sk_buff *skb = (struct sk_buff *) urb->context;
193 struct bfusb_data *data = (struct bfusb_data *) skb->dev;
194
195 BT_DBG("bfusb %p urb %p skb %p len %d", data, urb, skb, skb->len);
196
197 atomic_dec(&data->pending_tx);
198
199 if (!test_bit(HCI_RUNNING, &data->hdev->flags))
200 return;
201
202 if (!urb->status)
203 data->hdev->stat.byte_tx += skb->len;
204 else
205 data->hdev->stat.err_tx++;
206
207 read_lock(&data->lock);
208
209 skb_unlink(skb, &data->pending_q);
210 skb_queue_tail(&data->completed_q, skb);
211
212 bfusb_tx_wakeup(data);
213
214 read_unlock(&data->lock);
215 }
216
217
218 static int bfusb_rx_submit(struct bfusb_data *data, struct urb *urb)
219 {
220 struct bfusb_data_scb *scb;
221 struct sk_buff *skb;
222 int err, pipe, size = HCI_MAX_FRAME_SIZE + 32;
223
224 BT_DBG("bfusb %p urb %p", bfusb, urb);
225
226 if (!urb && !(urb = usb_alloc_urb(0, GFP_ATOMIC)))
227 return -ENOMEM;
228
229 skb = bt_skb_alloc(size, GFP_ATOMIC);
230 if (!skb) {
231 usb_free_urb(urb);
232 return -ENOMEM;
233 }
234
235 skb->dev = (void *) data;
236
237 scb = (struct bfusb_data_scb *) skb->cb;
238 scb->urb = urb;
239
240 pipe = usb_rcvbulkpipe(data->udev, data->bulk_in_ep);
241
242 usb_fill_bulk_urb(urb, data->udev, pipe, skb->data, size,
243 bfusb_rx_complete, skb);
244
245 skb_queue_tail(&data->pending_q, skb);
246
247 err = usb_submit_urb(urb, GFP_ATOMIC);
248 if (err) {
249 BT_ERR("%s bulk rx submit failed urb %p err %d",
250 data->hdev->name, urb, err);
251 skb_unlink(skb, &data->pending_q);
252 kfree_skb(skb);
253 usb_free_urb(urb);
254 }
255
256 return err;
257 }
258
259 static inline int bfusb_recv_block(struct bfusb_data *data, int hdr, unsigned char *buf, int len)
260 {
261 BT_DBG("bfusb %p hdr 0x%02x data %p len %d", data, hdr, buf, len);
262
263 if (hdr & 0x10) {
264 BT_ERR("%s error in block", data->hdev->name);
265 if (data->reassembly)
266 kfree_skb(data->reassembly);
267 data->reassembly = NULL;
268 return -EIO;
269 }
270
271 if (hdr & 0x04) {
272 struct sk_buff *skb;
273 unsigned char pkt_type;
274 int pkt_len = 0;
275
276 if (data->reassembly) {
277 BT_ERR("%s unexpected start block", data->hdev->name);
278 kfree_skb(data->reassembly);
279 data->reassembly = NULL;
280 }
281
282 if (len < 1) {
283 BT_ERR("%s no packet type found", data->hdev->name);
284 return -EPROTO;
285 }
286
287 pkt_type = *buf++; len--;
288
289 switch (pkt_type) {
290 case HCI_EVENT_PKT:
291 if (len >= HCI_EVENT_HDR_SIZE) {
292 struct hci_event_hdr *hdr = (struct hci_event_hdr *) buf;
293 pkt_len = HCI_EVENT_HDR_SIZE + hdr->plen;
294 } else {
295 BT_ERR("%s event block is too short", data->hdev->name);
296 return -EILSEQ;
297 }
298 break;
299
300 case HCI_ACLDATA_PKT:
301 if (len >= HCI_ACL_HDR_SIZE) {
302 struct hci_acl_hdr *hdr = (struct hci_acl_hdr *) buf;
303 pkt_len = HCI_ACL_HDR_SIZE + __le16_to_cpu(hdr->dlen);
304 } else {
305 BT_ERR("%s data block is too short", data->hdev->name);
306 return -EILSEQ;
307 }
308 break;
309
310 case HCI_SCODATA_PKT:
311 if (len >= HCI_SCO_HDR_SIZE) {
312 struct hci_sco_hdr *hdr = (struct hci_sco_hdr *) buf;
313 pkt_len = HCI_SCO_HDR_SIZE + hdr->dlen;
314 } else {
315 BT_ERR("%s audio block is too short", data->hdev->name);
316 return -EILSEQ;
317 }
318 break;
319 }
320
321 skb = bt_skb_alloc(pkt_len, GFP_ATOMIC);
322 if (!skb) {
323 BT_ERR("%s no memory for the packet", data->hdev->name);
324 return -ENOMEM;
325 }
326
327 skb->dev = (void *) data->hdev;
328 bt_cb(skb)->pkt_type = pkt_type;
329
330 data->reassembly = skb;
331 } else {
332 if (!data->reassembly) {
333 BT_ERR("%s unexpected continuation block", data->hdev->name);
334 return -EIO;
335 }
336 }
337
338 if (len > 0)
339 memcpy(skb_put(data->reassembly, len), buf, len);
340
341 if (hdr & 0x08) {
342 hci_recv_frame(data->reassembly);
343 data->reassembly = NULL;
344 }
345
346 return 0;
347 }
348
349 static void bfusb_rx_complete(struct urb *urb)
350 {
351 struct sk_buff *skb = (struct sk_buff *) urb->context;
352 struct bfusb_data *data = (struct bfusb_data *) skb->dev;
353 unsigned char *buf = urb->transfer_buffer;
354 int count = urb->actual_length;
355 int err, hdr, len;
356
357 BT_DBG("bfusb %p urb %p skb %p len %d", bfusb, urb, skb, skb->len);
358
359 read_lock(&data->lock);
360
361 if (!test_bit(HCI_RUNNING, &data->hdev->flags))
362 goto unlock;
363
364 if (urb->status || !count)
365 goto resubmit;
366
367 data->hdev->stat.byte_rx += count;
368
369 skb_put(skb, count);
370
371 while (count) {
372 hdr = buf[0] | (buf[1] << 8);
373
374 if (hdr & 0x4000) {
375 len = 0;
376 count -= 2;
377 buf += 2;
378 } else {
379 len = (buf[2] == 0) ? 256 : buf[2];
380 count -= 3;
381 buf += 3;
382 }
383
384 if (count < len) {
385 BT_ERR("%s block extends over URB buffer ranges",
386 data->hdev->name);
387 }
388
389 if ((hdr & 0xe1) == 0xc1)
390 bfusb_recv_block(data, hdr, buf, len);
391
392 count -= len;
393 buf += len;
394 }
395
396 skb_unlink(skb, &data->pending_q);
397 kfree_skb(skb);
398
399 bfusb_rx_submit(data, urb);
400
401 read_unlock(&data->lock);
402
403 return;
404
405 resubmit:
406 urb->dev = data->udev;
407
408 err = usb_submit_urb(urb, GFP_ATOMIC);
409 if (err) {
410 BT_ERR("%s bulk resubmit failed urb %p err %d",
411 data->hdev->name, urb, err);
412 }
413
414 unlock:
415 read_unlock(&data->lock);
416 }
417
418 static int bfusb_open(struct hci_dev *hdev)
419 {
420 struct bfusb_data *data = hdev->driver_data;
421 unsigned long flags;
422 int i, err;
423
424 BT_DBG("hdev %p bfusb %p", hdev, data);
425
426 if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
427 return 0;
428
429 write_lock_irqsave(&data->lock, flags);
430
431 err = bfusb_rx_submit(data, NULL);
432 if (!err) {
433 for (i = 1; i < BFUSB_MAX_BULK_RX; i++)
434 bfusb_rx_submit(data, NULL);
435 } else {
436 clear_bit(HCI_RUNNING, &hdev->flags);
437 }
438
439 write_unlock_irqrestore(&data->lock, flags);
440
441 return err;
442 }
443
444 static int bfusb_flush(struct hci_dev *hdev)
445 {
446 struct bfusb_data *data = hdev->driver_data;
447
448 BT_DBG("hdev %p bfusb %p", hdev, data);
449
450 skb_queue_purge(&data->transmit_q);
451
452 return 0;
453 }
454
455 static int bfusb_close(struct hci_dev *hdev)
456 {
457 struct bfusb_data *data = hdev->driver_data;
458 unsigned long flags;
459
460 BT_DBG("hdev %p bfusb %p", hdev, data);
461
462 if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
463 return 0;
464
465 write_lock_irqsave(&data->lock, flags);
466 write_unlock_irqrestore(&data->lock, flags);
467
468 bfusb_unlink_urbs(data);
469 bfusb_flush(hdev);
470
471 return 0;
472 }
473
474 static int bfusb_send_frame(struct sk_buff *skb)
475 {
476 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
477 struct bfusb_data *data;
478 struct sk_buff *nskb;
479 unsigned char buf[3];
480 int sent = 0, size, count;
481
482 BT_DBG("hdev %p skb %p type %d len %d", hdev, skb, bt_cb(skb)->pkt_type, skb->len);
483
484 if (!hdev) {
485 BT_ERR("Frame for unknown HCI device (hdev=NULL)");
486 return -ENODEV;
487 }
488
489 if (!test_bit(HCI_RUNNING, &hdev->flags))
490 return -EBUSY;
491
492 data = hdev->driver_data;
493
494 switch (bt_cb(skb)->pkt_type) {
495 case HCI_COMMAND_PKT:
496 hdev->stat.cmd_tx++;
497 break;
498 case HCI_ACLDATA_PKT:
499 hdev->stat.acl_tx++;
500 break;
501 case HCI_SCODATA_PKT:
502 hdev->stat.sco_tx++;
503 break;
504 };
505
506 /* Prepend skb with frame type */
507 memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
508
509 count = skb->len;
510
511 /* Max HCI frame size seems to be 1511 + 1 */
512 nskb = bt_skb_alloc(count + 32, GFP_ATOMIC);
513 if (!nskb) {
514 BT_ERR("Can't allocate memory for new packet");
515 return -ENOMEM;
516 }
517
518 nskb->dev = (void *) data;
519
520 while (count) {
521 size = min_t(uint, count, BFUSB_MAX_BLOCK_SIZE);
522
523 buf[0] = 0xc1 | ((sent == 0) ? 0x04 : 0) | ((count == size) ? 0x08 : 0);
524 buf[1] = 0x00;
525 buf[2] = (size == BFUSB_MAX_BLOCK_SIZE) ? 0 : size;
526
527 memcpy(skb_put(nskb, 3), buf, 3);
528 skb_copy_from_linear_data_offset(skb, sent, skb_put(nskb, size), size);
529
530 sent += size;
531 count -= size;
532 }
533
534 /* Don't send frame with multiple size of bulk max packet */
535 if ((nskb->len % data->bulk_pkt_size) == 0) {
536 buf[0] = 0xdd;
537 buf[1] = 0x00;
538 memcpy(skb_put(nskb, 2), buf, 2);
539 }
540
541 read_lock(&data->lock);
542
543 skb_queue_tail(&data->transmit_q, nskb);
544 bfusb_tx_wakeup(data);
545
546 read_unlock(&data->lock);
547
548 kfree_skb(skb);
549
550 return 0;
551 }
552
553 static void bfusb_destruct(struct hci_dev *hdev)
554 {
555 struct bfusb_data *data = hdev->driver_data;
556
557 BT_DBG("hdev %p bfusb %p", hdev, data);
558
559 kfree(data);
560 }
561
562 static int bfusb_ioctl(struct hci_dev *hdev, unsigned int cmd, unsigned long arg)
563 {
564 return -ENOIOCTLCMD;
565 }
566
567 static int bfusb_load_firmware(struct bfusb_data *data,
568 const unsigned char *firmware, int count)
569 {
570 unsigned char *buf;
571 int err, pipe, len, size, sent = 0;
572
573 BT_DBG("bfusb %p udev %p", data, data->udev);
574
575 BT_INFO("BlueFRITZ! USB loading firmware");
576
577 pipe = usb_sndctrlpipe(data->udev, 0);
578
579 if (usb_control_msg(data->udev, pipe, USB_REQ_SET_CONFIGURATION,
580 0, 1, 0, NULL, 0, USB_CTRL_SET_TIMEOUT) < 0) {
581 BT_ERR("Can't change to loading configuration");
582 return -EBUSY;
583 }
584
585 data->udev->toggle[0] = data->udev->toggle[1] = 0;
586
587 buf = kmalloc(BFUSB_MAX_BLOCK_SIZE + 3, GFP_ATOMIC);
588 if (!buf) {
589 BT_ERR("Can't allocate memory chunk for firmware");
590 return -ENOMEM;
591 }
592
593 pipe = usb_sndbulkpipe(data->udev, data->bulk_out_ep);
594
595 while (count) {
596 size = min_t(uint, count, BFUSB_MAX_BLOCK_SIZE + 3);
597
598 memcpy(buf, firmware + sent, size);
599
600 err = usb_bulk_msg(data->udev, pipe, buf, size,
601 &len, BFUSB_BLOCK_TIMEOUT);
602
603 if (err || (len != size)) {
604 BT_ERR("Error in firmware loading");
605 goto error;
606 }
607
608 sent += size;
609 count -= size;
610 }
611
612 err = usb_bulk_msg(data->udev, pipe, NULL, 0,
613 &len, BFUSB_BLOCK_TIMEOUT);
614 if (err < 0) {
615 BT_ERR("Error in null packet request");
616 goto error;
617 }
618
619 pipe = usb_sndctrlpipe(data->udev, 0);
620
621 err = usb_control_msg(data->udev, pipe, USB_REQ_SET_CONFIGURATION,
622 0, 2, 0, NULL, 0, USB_CTRL_SET_TIMEOUT);
623 if (err < 0) {
624 BT_ERR("Can't change to running configuration");
625 goto error;
626 }
627
628 data->udev->toggle[0] = data->udev->toggle[1] = 0;
629
630 BT_INFO("BlueFRITZ! USB device ready");
631
632 kfree(buf);
633 return 0;
634
635 error:
636 kfree(buf);
637
638 pipe = usb_sndctrlpipe(data->udev, 0);
639
640 usb_control_msg(data->udev, pipe, USB_REQ_SET_CONFIGURATION,
641 0, 0, 0, NULL, 0, USB_CTRL_SET_TIMEOUT);
642
643 return err;
644 }
645
646 static int bfusb_probe(struct usb_interface *intf, const struct usb_device_id *id)
647 {
648 const struct firmware *firmware;
649 struct usb_device *udev = interface_to_usbdev(intf);
650 struct usb_host_endpoint *bulk_out_ep;
651 struct usb_host_endpoint *bulk_in_ep;
652 struct hci_dev *hdev;
653 struct bfusb_data *data;
654
655 BT_DBG("intf %p id %p", intf, id);
656
657 /* Check number of endpoints */
658 if (intf->cur_altsetting->desc.bNumEndpoints < 2)
659 return -EIO;
660
661 bulk_out_ep = &intf->cur_altsetting->endpoint[0];
662 bulk_in_ep = &intf->cur_altsetting->endpoint[1];
663
664 if (!bulk_out_ep || !bulk_in_ep) {
665 BT_ERR("Bulk endpoints not found");
666 goto done;
667 }
668
669 /* Initialize control structure and load firmware */
670 data = kzalloc(sizeof(struct bfusb_data), GFP_KERNEL);
671 if (!data) {
672 BT_ERR("Can't allocate memory for control structure");
673 goto done;
674 }
675
676 data->udev = udev;
677 data->bulk_in_ep = bulk_in_ep->desc.bEndpointAddress;
678 data->bulk_out_ep = bulk_out_ep->desc.bEndpointAddress;
679 data->bulk_pkt_size = le16_to_cpu(bulk_out_ep->desc.wMaxPacketSize);
680
681 rwlock_init(&data->lock);
682
683 data->reassembly = NULL;
684
685 skb_queue_head_init(&data->transmit_q);
686 skb_queue_head_init(&data->pending_q);
687 skb_queue_head_init(&data->completed_q);
688
689 if (request_firmware(&firmware, "bfubase.frm", &udev->dev) < 0) {
690 BT_ERR("Firmware request failed");
691 goto error;
692 }
693
694 BT_DBG("firmware data %p size %d", firmware->data, firmware->size);
695
696 if (bfusb_load_firmware(data, firmware->data, firmware->size) < 0) {
697 BT_ERR("Firmware loading failed");
698 goto release;
699 }
700
701 release_firmware(firmware);
702
703 /* Initialize and register HCI device */
704 hdev = hci_alloc_dev();
705 if (!hdev) {
706 BT_ERR("Can't allocate HCI device");
707 goto error;
708 }
709
710 data->hdev = hdev;
711
712 hdev->type = HCI_USB;
713 hdev->driver_data = data;
714 SET_HCIDEV_DEV(hdev, &intf->dev);
715
716 hdev->open = bfusb_open;
717 hdev->close = bfusb_close;
718 hdev->flush = bfusb_flush;
719 hdev->send = bfusb_send_frame;
720 hdev->destruct = bfusb_destruct;
721 hdev->ioctl = bfusb_ioctl;
722
723 hdev->owner = THIS_MODULE;
724
725 if (hci_register_dev(hdev) < 0) {
726 BT_ERR("Can't register HCI device");
727 hci_free_dev(hdev);
728 goto error;
729 }
730
731 usb_set_intfdata(intf, data);
732
733 return 0;
734
735 release:
736 release_firmware(firmware);
737
738 error:
739 kfree(data);
740
741 done:
742 return -EIO;
743 }
744
745 static void bfusb_disconnect(struct usb_interface *intf)
746 {
747 struct bfusb_data *data = usb_get_intfdata(intf);
748 struct hci_dev *hdev = data->hdev;
749
750 BT_DBG("intf %p", intf);
751
752 if (!hdev)
753 return;
754
755 usb_set_intfdata(intf, NULL);
756
757 bfusb_close(hdev);
758
759 if (hci_unregister_dev(hdev) < 0)
760 BT_ERR("Can't unregister HCI device %s", hdev->name);
761
762 hci_free_dev(hdev);
763 }
764
765 static struct usb_driver bfusb_driver = {
766 .name = "bfusb",
767 .probe = bfusb_probe,
768 .disconnect = bfusb_disconnect,
769 .id_table = bfusb_table,
770 };
771
772 static int __init bfusb_init(void)
773 {
774 int err;
775
776 BT_INFO("BlueFRITZ! USB driver ver %s", VERSION);
777
778 err = usb_register(&bfusb_driver);
779 if (err < 0)
780 BT_ERR("Failed to register BlueFRITZ! USB driver");
781
782 return err;
783 }
784
785 static void __exit bfusb_exit(void)
786 {
787 usb_deregister(&bfusb_driver);
788 }
789
790 module_init(bfusb_init);
791 module_exit(bfusb_exit);
792
793 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
794 MODULE_DESCRIPTION("BlueFRITZ! USB driver ver " VERSION);
795 MODULE_VERSION(VERSION);
796 MODULE_LICENSE("GPL");
797 MODULE_FIRMWARE("bfubase.frm");
Support for the Chinese Samsung S3C2440 based development boards