3 * Generic Bluetooth USB driver
5 * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #include <linux/module.h>
25 #include <linux/usb.h>
26 #include <linux/firmware.h>
28 #include <net/bluetooth/bluetooth.h>
29 #include <net/bluetooth/hci_core.h>
33 static bool ignore_dga;
34 static bool ignore_csr;
35 static bool ignore_sniffer;
36 static bool disable_scofix;
37 static bool force_scofix;
39 static bool reset = 1;
41 static struct usb_driver btusb_driver;
43 #define BTUSB_IGNORE 0x01
44 #define BTUSB_DIGIANSWER 0x02
45 #define BTUSB_CSR 0x04
46 #define BTUSB_SNIFFER 0x08
47 #define BTUSB_BCM92035 0x10
48 #define BTUSB_BROKEN_ISOC 0x20
49 #define BTUSB_WRONG_SCO_MTU 0x40
50 #define BTUSB_ATH3012 0x80
51 #define BTUSB_INTEL 0x100
53 static struct usb_device_id btusb_table[] = {
54 /* Generic Bluetooth USB device */
55 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
57 /* Apple-specific (Broadcom) devices */
58 { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) },
60 /* MediaTek MT76x0E */
61 { USB_DEVICE(0x0e8d, 0x763f) },
63 /* Broadcom SoftSailing reporting vendor specific */
64 { USB_DEVICE(0x0a5c, 0x21e1) },
66 /* Apple MacBookPro 7,1 */
67 { USB_DEVICE(0x05ac, 0x8213) },
70 { USB_DEVICE(0x05ac, 0x8215) },
72 /* Apple MacBookPro6,2 */
73 { USB_DEVICE(0x05ac, 0x8218) },
75 /* Apple MacBookAir3,1, MacBookAir3,2 */
76 { USB_DEVICE(0x05ac, 0x821b) },
78 /* Apple MacBookAir4,1 */
79 { USB_DEVICE(0x05ac, 0x821f) },
81 /* Apple MacBookPro8,2 */
82 { USB_DEVICE(0x05ac, 0x821a) },
84 /* Apple MacMini5,1 */
85 { USB_DEVICE(0x05ac, 0x8281) },
87 /* AVM BlueFRITZ! USB v2.0 */
88 { USB_DEVICE(0x057c, 0x3800) },
90 /* Bluetooth Ultraport Module from IBM */
91 { USB_DEVICE(0x04bf, 0x030a) },
93 /* ALPS Modules with non-standard id */
94 { USB_DEVICE(0x044e, 0x3001) },
95 { USB_DEVICE(0x044e, 0x3002) },
97 /* Ericsson with non-standard id */
98 { USB_DEVICE(0x0bdb, 0x1002) },
100 /* Canyon CN-BTU1 with HID interfaces */
101 { USB_DEVICE(0x0c10, 0x0000) },
103 /* Broadcom BCM20702A0 */
104 { USB_DEVICE(0x0b05, 0x17b5) },
105 { USB_DEVICE(0x0b05, 0x17cb) },
106 { USB_DEVICE(0x04ca, 0x2003) },
107 { USB_DEVICE(0x0489, 0xe042) },
108 { USB_DEVICE(0x413c, 0x8197) },
110 /* Foxconn - Hon Hai */
111 { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01) },
113 /*Broadcom devices with vendor specific id */
114 { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) },
116 { } /* Terminating entry */
119 MODULE_DEVICE_TABLE(usb, btusb_table);
121 static struct usb_device_id blacklist_table[] = {
122 /* CSR BlueCore devices */
123 { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
125 /* Broadcom BCM2033 without firmware */
126 { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
128 /* Atheros 3011 with sflash firmware */
129 { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
130 { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
131 { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
132 { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
133 { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
134 { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
136 /* Atheros AR9285 Malbec with sflash firmware */
137 { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
139 /* Atheros 3012 with sflash firmware */
140 { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
141 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
142 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
143 { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
144 { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
145 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
146 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
147 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
148 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
149 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
150 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
151 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
152 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
153 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
154 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
155 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
156 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
157 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
158 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
159 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
160 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
161 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
162 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
163 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
165 /* Atheros AR5BBU12 with sflash firmware */
166 { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
168 /* Atheros AR5BBU12 with sflash firmware */
169 { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
170 { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
172 /* Broadcom BCM2035 */
173 { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
174 { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
175 { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
177 /* Broadcom BCM2045 */
178 { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
179 { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
181 /* IBM/Lenovo ThinkPad with Broadcom chip */
182 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
183 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
185 /* HP laptop with Broadcom chip */
186 { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
188 /* Dell laptop with Broadcom chip */
189 { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
191 /* Dell Wireless 370 and 410 devices */
192 { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
193 { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
195 /* Belkin F8T012 and F8T013 devices */
196 { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
197 { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
199 /* Asus WL-BTD202 device */
200 { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
202 /* Kensington Bluetooth USB adapter */
203 { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
205 /* RTX Telecom based adapters with buggy SCO support */
206 { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
207 { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
209 /* CONWISE Technology based adapters with buggy SCO support */
210 { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC },
212 /* Digianswer devices */
213 { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
214 { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
216 /* CSR BlueCore Bluetooth Sniffer */
217 { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER },
219 /* Frontline ComProbe Bluetooth Sniffer */
220 { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER },
222 /* Intel Bluetooth device */
223 { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
225 { } /* Terminating entry */
228 #define BTUSB_MAX_ISOC_FRAMES 10
230 #define BTUSB_INTR_RUNNING 0
231 #define BTUSB_BULK_RUNNING 1
232 #define BTUSB_ISOC_RUNNING 2
233 #define BTUSB_SUSPENDING 3
234 #define BTUSB_DID_ISO_RESUME 4
237 struct hci_dev *hdev;
238 struct usb_device *udev;
239 struct usb_interface *intf;
240 struct usb_interface *isoc;
246 struct work_struct work;
247 struct work_struct waker;
249 struct usb_anchor tx_anchor;
250 struct usb_anchor intr_anchor;
251 struct usb_anchor bulk_anchor;
252 struct usb_anchor isoc_anchor;
253 struct usb_anchor deferred;
257 struct usb_endpoint_descriptor *intr_ep;
258 struct usb_endpoint_descriptor *bulk_tx_ep;
259 struct usb_endpoint_descriptor *bulk_rx_ep;
260 struct usb_endpoint_descriptor *isoc_tx_ep;
261 struct usb_endpoint_descriptor *isoc_rx_ep;
265 unsigned int sco_num;
270 static int inc_tx(struct btusb_data *data)
275 spin_lock_irqsave(&data->txlock, flags);
276 rv = test_bit(BTUSB_SUSPENDING, &data->flags);
278 data->tx_in_flight++;
279 spin_unlock_irqrestore(&data->txlock, flags);
284 static void btusb_intr_complete(struct urb *urb)
286 struct hci_dev *hdev = urb->context;
287 struct btusb_data *data = hci_get_drvdata(hdev);
290 BT_DBG("%s urb %p status %d count %d", hdev->name,
291 urb, urb->status, urb->actual_length);
293 if (!test_bit(HCI_RUNNING, &hdev->flags))
296 if (urb->status == 0) {
297 hdev->stat.byte_rx += urb->actual_length;
299 if (hci_recv_fragment(hdev, HCI_EVENT_PKT,
300 urb->transfer_buffer,
301 urb->actual_length) < 0) {
302 BT_ERR("%s corrupted event packet", hdev->name);
307 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
310 usb_mark_last_busy(data->udev);
311 usb_anchor_urb(urb, &data->intr_anchor);
313 err = usb_submit_urb(urb, GFP_ATOMIC);
315 /* -EPERM: urb is being killed;
316 * -ENODEV: device got disconnected */
317 if (err != -EPERM && err != -ENODEV)
318 BT_ERR("%s urb %p failed to resubmit (%d)",
319 hdev->name, urb, -err);
320 usb_unanchor_urb(urb);
324 static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
326 struct btusb_data *data = hci_get_drvdata(hdev);
332 BT_DBG("%s", hdev->name);
337 urb = usb_alloc_urb(0, mem_flags);
341 size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
343 buf = kmalloc(size, mem_flags);
349 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
351 usb_fill_int_urb(urb, data->udev, pipe, buf, size,
352 btusb_intr_complete, hdev,
353 data->intr_ep->bInterval);
355 urb->transfer_flags |= URB_FREE_BUFFER;
357 usb_anchor_urb(urb, &data->intr_anchor);
359 err = usb_submit_urb(urb, mem_flags);
361 if (err != -EPERM && err != -ENODEV)
362 BT_ERR("%s urb %p submission failed (%d)",
363 hdev->name, urb, -err);
364 usb_unanchor_urb(urb);
372 static void btusb_bulk_complete(struct urb *urb)
374 struct hci_dev *hdev = urb->context;
375 struct btusb_data *data = hci_get_drvdata(hdev);
378 BT_DBG("%s urb %p status %d count %d", hdev->name,
379 urb, urb->status, urb->actual_length);
381 if (!test_bit(HCI_RUNNING, &hdev->flags))
384 if (urb->status == 0) {
385 hdev->stat.byte_rx += urb->actual_length;
387 if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT,
388 urb->transfer_buffer,
389 urb->actual_length) < 0) {
390 BT_ERR("%s corrupted ACL packet", hdev->name);
395 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
398 usb_anchor_urb(urb, &data->bulk_anchor);
399 usb_mark_last_busy(data->udev);
401 err = usb_submit_urb(urb, GFP_ATOMIC);
403 /* -EPERM: urb is being killed;
404 * -ENODEV: device got disconnected */
405 if (err != -EPERM && err != -ENODEV)
406 BT_ERR("%s urb %p failed to resubmit (%d)",
407 hdev->name, urb, -err);
408 usb_unanchor_urb(urb);
412 static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
414 struct btusb_data *data = hci_get_drvdata(hdev);
418 int err, size = HCI_MAX_FRAME_SIZE;
420 BT_DBG("%s", hdev->name);
422 if (!data->bulk_rx_ep)
425 urb = usb_alloc_urb(0, mem_flags);
429 buf = kmalloc(size, mem_flags);
435 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
437 usb_fill_bulk_urb(urb, data->udev, pipe,
438 buf, size, btusb_bulk_complete, hdev);
440 urb->transfer_flags |= URB_FREE_BUFFER;
442 usb_mark_last_busy(data->udev);
443 usb_anchor_urb(urb, &data->bulk_anchor);
445 err = usb_submit_urb(urb, mem_flags);
447 if (err != -EPERM && err != -ENODEV)
448 BT_ERR("%s urb %p submission failed (%d)",
449 hdev->name, urb, -err);
450 usb_unanchor_urb(urb);
458 static void btusb_isoc_complete(struct urb *urb)
460 struct hci_dev *hdev = urb->context;
461 struct btusb_data *data = hci_get_drvdata(hdev);
464 BT_DBG("%s urb %p status %d count %d", hdev->name,
465 urb, urb->status, urb->actual_length);
467 if (!test_bit(HCI_RUNNING, &hdev->flags))
470 if (urb->status == 0) {
471 for (i = 0; i < urb->number_of_packets; i++) {
472 unsigned int offset = urb->iso_frame_desc[i].offset;
473 unsigned int length = urb->iso_frame_desc[i].actual_length;
475 if (urb->iso_frame_desc[i].status)
478 hdev->stat.byte_rx += length;
480 if (hci_recv_fragment(hdev, HCI_SCODATA_PKT,
481 urb->transfer_buffer + offset,
483 BT_ERR("%s corrupted SCO packet", hdev->name);
489 if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
492 usb_anchor_urb(urb, &data->isoc_anchor);
494 err = usb_submit_urb(urb, GFP_ATOMIC);
496 /* -EPERM: urb is being killed;
497 * -ENODEV: device got disconnected */
498 if (err != -EPERM && err != -ENODEV)
499 BT_ERR("%s urb %p failed to resubmit (%d)",
500 hdev->name, urb, -err);
501 usb_unanchor_urb(urb);
505 static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
509 BT_DBG("len %d mtu %d", len, mtu);
511 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
512 i++, offset += mtu, len -= mtu) {
513 urb->iso_frame_desc[i].offset = offset;
514 urb->iso_frame_desc[i].length = mtu;
517 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
518 urb->iso_frame_desc[i].offset = offset;
519 urb->iso_frame_desc[i].length = len;
523 urb->number_of_packets = i;
526 static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
528 struct btusb_data *data = hci_get_drvdata(hdev);
534 BT_DBG("%s", hdev->name);
536 if (!data->isoc_rx_ep)
539 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
543 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
544 BTUSB_MAX_ISOC_FRAMES;
546 buf = kmalloc(size, mem_flags);
552 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
554 usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
555 hdev, data->isoc_rx_ep->bInterval);
557 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
559 __fill_isoc_descriptor(urb, size,
560 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
562 usb_anchor_urb(urb, &data->isoc_anchor);
564 err = usb_submit_urb(urb, mem_flags);
566 if (err != -EPERM && err != -ENODEV)
567 BT_ERR("%s urb %p submission failed (%d)",
568 hdev->name, urb, -err);
569 usb_unanchor_urb(urb);
577 static void btusb_tx_complete(struct urb *urb)
579 struct sk_buff *skb = urb->context;
580 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
581 struct btusb_data *data = hci_get_drvdata(hdev);
583 BT_DBG("%s urb %p status %d count %d", hdev->name,
584 urb, urb->status, urb->actual_length);
586 if (!test_bit(HCI_RUNNING, &hdev->flags))
590 hdev->stat.byte_tx += urb->transfer_buffer_length;
595 spin_lock(&data->txlock);
596 data->tx_in_flight--;
597 spin_unlock(&data->txlock);
599 kfree(urb->setup_packet);
604 static void btusb_isoc_tx_complete(struct urb *urb)
606 struct sk_buff *skb = urb->context;
607 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
609 BT_DBG("%s urb %p status %d count %d", hdev->name,
610 urb, urb->status, urb->actual_length);
612 if (!test_bit(HCI_RUNNING, &hdev->flags))
616 hdev->stat.byte_tx += urb->transfer_buffer_length;
621 kfree(urb->setup_packet);
626 static int btusb_open(struct hci_dev *hdev)
628 struct btusb_data *data = hci_get_drvdata(hdev);
631 BT_DBG("%s", hdev->name);
633 err = usb_autopm_get_interface(data->intf);
637 data->intf->needs_remote_wakeup = 1;
639 if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
642 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
645 err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
649 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
651 usb_kill_anchored_urbs(&data->intr_anchor);
655 set_bit(BTUSB_BULK_RUNNING, &data->flags);
656 btusb_submit_bulk_urb(hdev, GFP_KERNEL);
659 usb_autopm_put_interface(data->intf);
663 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
664 clear_bit(HCI_RUNNING, &hdev->flags);
665 usb_autopm_put_interface(data->intf);
669 static void btusb_stop_traffic(struct btusb_data *data)
671 usb_kill_anchored_urbs(&data->intr_anchor);
672 usb_kill_anchored_urbs(&data->bulk_anchor);
673 usb_kill_anchored_urbs(&data->isoc_anchor);
676 static int btusb_close(struct hci_dev *hdev)
678 struct btusb_data *data = hci_get_drvdata(hdev);
681 BT_DBG("%s", hdev->name);
683 if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
686 cancel_work_sync(&data->work);
687 cancel_work_sync(&data->waker);
689 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
690 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
691 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
693 btusb_stop_traffic(data);
694 err = usb_autopm_get_interface(data->intf);
698 data->intf->needs_remote_wakeup = 0;
699 usb_autopm_put_interface(data->intf);
702 usb_scuttle_anchored_urbs(&data->deferred);
706 static int btusb_flush(struct hci_dev *hdev)
708 struct btusb_data *data = hci_get_drvdata(hdev);
710 BT_DBG("%s", hdev->name);
712 usb_kill_anchored_urbs(&data->tx_anchor);
717 static int btusb_send_frame(struct sk_buff *skb)
719 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
720 struct btusb_data *data = hci_get_drvdata(hdev);
721 struct usb_ctrlrequest *dr;
726 BT_DBG("%s", hdev->name);
728 if (!test_bit(HCI_RUNNING, &hdev->flags))
731 switch (bt_cb(skb)->pkt_type) {
732 case HCI_COMMAND_PKT:
733 urb = usb_alloc_urb(0, GFP_ATOMIC);
737 dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
743 dr->bRequestType = data->cmdreq_type;
747 dr->wLength = __cpu_to_le16(skb->len);
749 pipe = usb_sndctrlpipe(data->udev, 0x00);
751 usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
752 skb->data, skb->len, btusb_tx_complete, skb);
757 case HCI_ACLDATA_PKT:
758 if (!data->bulk_tx_ep)
761 urb = usb_alloc_urb(0, GFP_ATOMIC);
765 pipe = usb_sndbulkpipe(data->udev,
766 data->bulk_tx_ep->bEndpointAddress);
768 usb_fill_bulk_urb(urb, data->udev, pipe,
769 skb->data, skb->len, btusb_tx_complete, skb);
774 case HCI_SCODATA_PKT:
775 if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1)
778 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC);
782 pipe = usb_sndisocpipe(data->udev,
783 data->isoc_tx_ep->bEndpointAddress);
785 usb_fill_int_urb(urb, data->udev, pipe,
786 skb->data, skb->len, btusb_isoc_tx_complete,
787 skb, data->isoc_tx_ep->bInterval);
789 urb->transfer_flags = URB_ISO_ASAP;
791 __fill_isoc_descriptor(urb, skb->len,
792 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
803 usb_anchor_urb(urb, &data->deferred);
804 schedule_work(&data->waker);
810 usb_anchor_urb(urb, &data->tx_anchor);
812 err = usb_submit_urb(urb, GFP_ATOMIC);
814 if (err != -EPERM && err != -ENODEV)
815 BT_ERR("%s urb %p submission failed (%d)",
816 hdev->name, urb, -err);
817 kfree(urb->setup_packet);
818 usb_unanchor_urb(urb);
820 usb_mark_last_busy(data->udev);
828 static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
830 struct btusb_data *data = hci_get_drvdata(hdev);
832 BT_DBG("%s evt %d", hdev->name, evt);
834 if (hdev->conn_hash.sco_num != data->sco_num) {
835 data->sco_num = hdev->conn_hash.sco_num;
836 schedule_work(&data->work);
840 static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
842 struct btusb_data *data = hci_get_drvdata(hdev);
843 struct usb_interface *intf = data->isoc;
844 struct usb_endpoint_descriptor *ep_desc;
850 err = usb_set_interface(data->udev, 1, altsetting);
852 BT_ERR("%s setting interface failed (%d)", hdev->name, -err);
856 data->isoc_altsetting = altsetting;
858 data->isoc_tx_ep = NULL;
859 data->isoc_rx_ep = NULL;
861 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
862 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
864 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
865 data->isoc_tx_ep = ep_desc;
869 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
870 data->isoc_rx_ep = ep_desc;
875 if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
876 BT_ERR("%s invalid SCO descriptors", hdev->name);
883 static void btusb_work(struct work_struct *work)
885 struct btusb_data *data = container_of(work, struct btusb_data, work);
886 struct hci_dev *hdev = data->hdev;
890 if (hdev->conn_hash.sco_num > 0) {
891 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
892 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
894 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
895 usb_kill_anchored_urbs(&data->isoc_anchor);
899 set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
902 if (hdev->voice_setting & 0x0020) {
903 static const int alts[3] = { 2, 4, 5 };
904 new_alts = alts[hdev->conn_hash.sco_num - 1];
906 new_alts = hdev->conn_hash.sco_num;
909 if (data->isoc_altsetting != new_alts) {
910 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
911 usb_kill_anchored_urbs(&data->isoc_anchor);
913 if (__set_isoc_interface(hdev, new_alts) < 0)
917 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
918 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
919 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
921 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
924 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
925 usb_kill_anchored_urbs(&data->isoc_anchor);
927 __set_isoc_interface(hdev, 0);
928 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
929 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
933 static void btusb_waker(struct work_struct *work)
935 struct btusb_data *data = container_of(work, struct btusb_data, waker);
938 err = usb_autopm_get_interface(data->intf);
942 usb_autopm_put_interface(data->intf);
945 static int btusb_setup_bcm92035(struct hci_dev *hdev)
950 BT_DBG("%s", hdev->name);
952 skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT);
954 BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb));
961 struct intel_version {
974 static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev,
975 struct intel_version *ver)
977 const struct firmware *fw;
981 snprintf(fwname, sizeof(fwname),
982 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
983 ver->hw_platform, ver->hw_variant, ver->hw_revision,
984 ver->fw_variant, ver->fw_revision, ver->fw_build_num,
985 ver->fw_build_ww, ver->fw_build_yy);
987 ret = request_firmware(&fw, fwname, &hdev->dev);
989 if (ret == -EINVAL) {
990 BT_ERR("%s Intel firmware file request failed (%d)",
995 BT_ERR("%s failed to open Intel firmware file: %s(%d)",
996 hdev->name, fwname, ret);
998 /* If the correct firmware patch file is not found, use the
999 * default firmware patch file instead
1001 snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq",
1002 ver->hw_platform, ver->hw_variant);
1003 if (request_firmware(&fw, fwname, &hdev->dev) < 0) {
1004 BT_ERR("%s failed to open default Intel fw file: %s",
1005 hdev->name, fwname);
1010 BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname);
1015 static int btusb_setup_intel_patching(struct hci_dev *hdev,
1016 const struct firmware *fw,
1017 const u8 **fw_ptr, int *disable_patch)
1019 struct sk_buff *skb;
1020 struct hci_command_hdr *cmd;
1021 const u8 *cmd_param;
1022 struct hci_event_hdr *evt = NULL;
1023 const u8 *evt_param = NULL;
1024 int remain = fw->size - (*fw_ptr - fw->data);
1026 /* The first byte indicates the types of the patch command or event.
1027 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
1028 * in the current firmware buffer doesn't start with 0x01 or
1029 * the size of remain buffer is smaller than HCI command header,
1030 * the firmware file is corrupted and it should stop the patching
1033 if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) {
1034 BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name);
1040 cmd = (struct hci_command_hdr *)(*fw_ptr);
1041 *fw_ptr += sizeof(*cmd);
1042 remain -= sizeof(*cmd);
1044 /* Ensure that the remain firmware data is long enough than the length
1045 * of command parameter. If not, the firmware file is corrupted.
1047 if (remain < cmd->plen) {
1048 BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name);
1052 /* If there is a command that loads a patch in the firmware
1053 * file, then enable the patch upon success, otherwise just
1054 * disable the manufacturer mode, for example patch activation
1055 * is not required when the default firmware patch file is used
1056 * because there are no patch data to load.
1058 if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e)
1061 cmd_param = *fw_ptr;
1062 *fw_ptr += cmd->plen;
1063 remain -= cmd->plen;
1065 /* This reads the expected events when the above command is sent to the
1066 * device. Some vendor commands expects more than one events, for
1067 * example command status event followed by vendor specific event.
1068 * For this case, it only keeps the last expected event. so the command
1069 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
1070 * last expected event.
1072 while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) {
1076 evt = (struct hci_event_hdr *)(*fw_ptr);
1077 *fw_ptr += sizeof(*evt);
1078 remain -= sizeof(*evt);
1080 if (remain < evt->plen) {
1081 BT_ERR("%s Intel fw corrupted: invalid evt len",
1086 evt_param = *fw_ptr;
1087 *fw_ptr += evt->plen;
1088 remain -= evt->plen;
1091 /* Every HCI commands in the firmware file has its correspond event.
1092 * If event is not found or remain is smaller than zero, the firmware
1093 * file is corrupted.
1095 if (!evt || !evt_param || remain < 0) {
1096 BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name);
1100 skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen,
1101 cmd_param, evt->evt, HCI_INIT_TIMEOUT);
1103 BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)",
1104 hdev->name, cmd->opcode, PTR_ERR(skb));
1105 return PTR_ERR(skb);
1108 /* It ensures that the returned event matches the event data read from
1109 * the firmware file. At fist, it checks the length and then
1110 * the contents of the event.
1112 if (skb->len != evt->plen) {
1113 BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name,
1114 le16_to_cpu(cmd->opcode));
1119 if (memcmp(skb->data, evt_param, evt->plen)) {
1120 BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)",
1121 hdev->name, le16_to_cpu(cmd->opcode));
1130 static int btusb_setup_intel(struct hci_dev *hdev)
1132 struct sk_buff *skb;
1133 const struct firmware *fw;
1136 struct intel_version *ver;
1138 const u8 mfg_enable[] = { 0x01, 0x00 };
1139 const u8 mfg_disable[] = { 0x00, 0x00 };
1140 const u8 mfg_reset_deactivate[] = { 0x00, 0x01 };
1141 const u8 mfg_reset_activate[] = { 0x00, 0x02 };
1143 BT_DBG("%s", hdev->name);
1145 /* The controller has a bug with the first HCI command sent to it
1146 * returning number of completed commands as zero. This would stall the
1147 * command processing in the Bluetooth core.
1149 * As a workaround, send HCI Reset command first which will reset the
1150 * number of completed commands and allow normal command processing
1153 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
1155 BT_ERR("%s sending initial HCI reset command failed (%ld)",
1156 hdev->name, PTR_ERR(skb));
1157 return PTR_ERR(skb);
1161 /* Read Intel specific controller version first to allow selection of
1162 * which firmware file to load.
1164 * The returned information are hardware variant and revision plus
1165 * firmware variant, revision and build number.
1167 skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT);
1169 BT_ERR("%s reading Intel fw version command failed (%ld)",
1170 hdev->name, PTR_ERR(skb));
1171 return PTR_ERR(skb);
1174 if (skb->len != sizeof(*ver)) {
1175 BT_ERR("%s Intel version event length mismatch", hdev->name);
1180 ver = (struct intel_version *)skb->data;
1182 BT_ERR("%s Intel fw version event failed (%02x)", hdev->name,
1185 return -bt_to_errno(ver->status);
1188 BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
1189 hdev->name, ver->hw_platform, ver->hw_variant,
1190 ver->hw_revision, ver->fw_variant, ver->fw_revision,
1191 ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy,
1194 /* fw_patch_num indicates the version of patch the device currently
1195 * have. If there is no patch data in the device, it is always 0x00.
1196 * So, if it is other than 0x00, no need to patch the deivce again.
1198 if (ver->fw_patch_num) {
1199 BT_INFO("%s: Intel device is already patched. patch num: %02x",
1200 hdev->name, ver->fw_patch_num);
1205 /* Opens the firmware patch file based on the firmware version read
1206 * from the controller. If it fails to open the matching firmware
1207 * patch file, it tries to open the default firmware patch file.
1208 * If no patch file is found, allow the device to operate without
1211 fw = btusb_setup_intel_get_fw(hdev, ver);
1218 /* This Intel specific command enables the manufacturer mode of the
1221 * Only while this mode is enabled, the driver can download the
1222 * firmware patch data and configuration parameters.
1224 skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT);
1226 BT_ERR("%s entering Intel manufacturer mode failed (%ld)",
1227 hdev->name, PTR_ERR(skb));
1228 release_firmware(fw);
1229 return PTR_ERR(skb);
1233 u8 evt_status = skb->data[0];
1234 BT_ERR("%s enable Intel manufacturer mode event failed (%02x)",
1235 hdev->name, evt_status);
1237 release_firmware(fw);
1238 return -bt_to_errno(evt_status);
1244 /* The firmware data file consists of list of Intel specific HCI
1245 * commands and its expected events. The first byte indicates the
1246 * type of the message, either HCI command or HCI event.
1248 * It reads the command and its expected event from the firmware file,
1249 * and send to the controller. Once __hci_cmd_sync_ev() returns,
1250 * the returned event is compared with the event read from the firmware
1251 * file and it will continue until all the messages are downloaded to
1254 * Once the firmware patching is completed successfully,
1255 * the manufacturer mode is disabled with reset and activating the
1258 * If the firmware patching fails, the manufacturer mode is
1259 * disabled with reset and deactivating the patch.
1261 * If the default patch file is used, no reset is done when disabling
1264 while (fw->size > fw_ptr - fw->data) {
1267 ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr,
1270 goto exit_mfg_deactivate;
1273 release_firmware(fw);
1276 goto exit_mfg_disable;
1278 /* Patching completed successfully and disable the manufacturer mode
1279 * with reset and activate the downloaded firmware patches.
1281 skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate),
1282 mfg_reset_activate, HCI_INIT_TIMEOUT);
1284 BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
1285 hdev->name, PTR_ERR(skb));
1286 return PTR_ERR(skb);
1290 BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
1296 /* Disable the manufacturer mode without reset */
1297 skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable,
1300 BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
1301 hdev->name, PTR_ERR(skb));
1302 return PTR_ERR(skb);
1306 BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name);
1309 exit_mfg_deactivate:
1310 release_firmware(fw);
1312 /* Patching failed. Disable the manufacturer mode with reset and
1313 * deactivate the downloaded firmware patches.
1315 skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate),
1316 mfg_reset_deactivate, HCI_INIT_TIMEOUT);
1318 BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
1319 hdev->name, PTR_ERR(skb));
1320 return PTR_ERR(skb);
1324 BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
1330 static int btusb_probe(struct usb_interface *intf,
1331 const struct usb_device_id *id)
1333 struct usb_endpoint_descriptor *ep_desc;
1334 struct btusb_data *data;
1335 struct hci_dev *hdev;
1338 BT_DBG("intf %p id %p", intf, id);
1340 /* interface numbers are hardcoded in the spec */
1341 if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
1344 if (!id->driver_info) {
1345 const struct usb_device_id *match;
1346 match = usb_match_id(intf, blacklist_table);
1351 if (id->driver_info == BTUSB_IGNORE)
1354 if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER)
1357 if (ignore_csr && id->driver_info & BTUSB_CSR)
1360 if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER)
1363 if (id->driver_info & BTUSB_ATH3012) {
1364 struct usb_device *udev = interface_to_usbdev(intf);
1366 /* Old firmware would otherwise let ath3k driver load
1367 * patch and sysconfig files */
1368 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
1372 data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
1376 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
1377 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
1379 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
1380 data->intr_ep = ep_desc;
1384 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
1385 data->bulk_tx_ep = ep_desc;
1389 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
1390 data->bulk_rx_ep = ep_desc;
1395 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
1398 data->cmdreq_type = USB_TYPE_CLASS;
1400 data->udev = interface_to_usbdev(intf);
1403 spin_lock_init(&data->lock);
1405 INIT_WORK(&data->work, btusb_work);
1406 INIT_WORK(&data->waker, btusb_waker);
1407 spin_lock_init(&data->txlock);
1409 init_usb_anchor(&data->tx_anchor);
1410 init_usb_anchor(&data->intr_anchor);
1411 init_usb_anchor(&data->bulk_anchor);
1412 init_usb_anchor(&data->isoc_anchor);
1413 init_usb_anchor(&data->deferred);
1415 hdev = hci_alloc_dev();
1419 hdev->bus = HCI_USB;
1420 hci_set_drvdata(hdev, data);
1424 SET_HCIDEV_DEV(hdev, &intf->dev);
1426 hdev->open = btusb_open;
1427 hdev->close = btusb_close;
1428 hdev->flush = btusb_flush;
1429 hdev->send = btusb_send_frame;
1430 hdev->notify = btusb_notify;
1432 if (id->driver_info & BTUSB_BCM92035)
1433 hdev->setup = btusb_setup_bcm92035;
1435 if (id->driver_info & BTUSB_INTEL)
1436 hdev->setup = btusb_setup_intel;
1438 /* Interface numbers are hardcoded in the specification */
1439 data->isoc = usb_ifnum_to_if(data->udev, 1);
1442 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
1444 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
1445 if (!disable_scofix)
1446 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
1449 if (id->driver_info & BTUSB_BROKEN_ISOC)
1452 if (id->driver_info & BTUSB_DIGIANSWER) {
1453 data->cmdreq_type = USB_TYPE_VENDOR;
1454 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
1457 if (id->driver_info & BTUSB_CSR) {
1458 struct usb_device *udev = data->udev;
1460 /* Old firmware would otherwise execute USB reset */
1461 if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117)
1462 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
1465 if (id->driver_info & BTUSB_SNIFFER) {
1466 struct usb_device *udev = data->udev;
1468 /* New sniffer firmware has crippled HCI interface */
1469 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
1470 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
1476 err = usb_driver_claim_interface(&btusb_driver,
1484 err = hci_register_dev(hdev);
1490 usb_set_intfdata(intf, data);
1495 static void btusb_disconnect(struct usb_interface *intf)
1497 struct btusb_data *data = usb_get_intfdata(intf);
1498 struct hci_dev *hdev;
1500 BT_DBG("intf %p", intf);
1506 usb_set_intfdata(data->intf, NULL);
1509 usb_set_intfdata(data->isoc, NULL);
1511 hci_unregister_dev(hdev);
1513 if (intf == data->isoc)
1514 usb_driver_release_interface(&btusb_driver, data->intf);
1515 else if (data->isoc)
1516 usb_driver_release_interface(&btusb_driver, data->isoc);
1522 static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
1524 struct btusb_data *data = usb_get_intfdata(intf);
1526 BT_DBG("intf %p", intf);
1528 if (data->suspend_count++)
1531 spin_lock_irq(&data->txlock);
1532 if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
1533 set_bit(BTUSB_SUSPENDING, &data->flags);
1534 spin_unlock_irq(&data->txlock);
1536 spin_unlock_irq(&data->txlock);
1537 data->suspend_count--;
1541 cancel_work_sync(&data->work);
1543 btusb_stop_traffic(data);
1544 usb_kill_anchored_urbs(&data->tx_anchor);
1549 static void play_deferred(struct btusb_data *data)
1554 while ((urb = usb_get_from_anchor(&data->deferred))) {
1555 err = usb_submit_urb(urb, GFP_ATOMIC);
1559 data->tx_in_flight++;
1561 usb_scuttle_anchored_urbs(&data->deferred);
1564 static int btusb_resume(struct usb_interface *intf)
1566 struct btusb_data *data = usb_get_intfdata(intf);
1567 struct hci_dev *hdev = data->hdev;
1570 BT_DBG("intf %p", intf);
1572 if (--data->suspend_count)
1575 if (!test_bit(HCI_RUNNING, &hdev->flags))
1578 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
1579 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
1581 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
1586 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
1587 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
1589 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
1593 btusb_submit_bulk_urb(hdev, GFP_NOIO);
1596 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
1597 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
1598 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1600 btusb_submit_isoc_urb(hdev, GFP_NOIO);
1603 spin_lock_irq(&data->txlock);
1604 play_deferred(data);
1605 clear_bit(BTUSB_SUSPENDING, &data->flags);
1606 spin_unlock_irq(&data->txlock);
1607 schedule_work(&data->work);
1612 usb_scuttle_anchored_urbs(&data->deferred);
1614 spin_lock_irq(&data->txlock);
1615 clear_bit(BTUSB_SUSPENDING, &data->flags);
1616 spin_unlock_irq(&data->txlock);
1622 static struct usb_driver btusb_driver = {
1624 .probe = btusb_probe,
1625 .disconnect = btusb_disconnect,
1627 .suspend = btusb_suspend,
1628 .resume = btusb_resume,
1630 .id_table = btusb_table,
1631 .supports_autosuspend = 1,
1632 .disable_hub_initiated_lpm = 1,
1635 module_usb_driver(btusb_driver);
1637 module_param(ignore_dga, bool, 0644);
1638 MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001");
1640 module_param(ignore_csr, bool, 0644);
1641 MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001");
1643 module_param(ignore_sniffer, bool, 0644);
1644 MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002");
1646 module_param(disable_scofix, bool, 0644);
1647 MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
1649 module_param(force_scofix, bool, 0644);
1650 MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
1652 module_param(reset, bool, 0644);
1653 MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
1655 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
1656 MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
1657 MODULE_VERSION(VERSION);
1658 MODULE_LICENSE("GPL");