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 const 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 /* Belkin F8065bf - Broadcom based */
117 { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01) },
119 { } /* Terminating entry */
122 MODULE_DEVICE_TABLE(usb, btusb_table);
124 static const struct usb_device_id blacklist_table[] = {
125 /* CSR BlueCore devices */
126 { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
128 /* Broadcom BCM2033 without firmware */
129 { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
131 /* Atheros 3011 with sflash firmware */
132 { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
133 { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
134 { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
135 { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
136 { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
137 { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
139 /* Atheros AR9285 Malbec with sflash firmware */
140 { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
142 /* Atheros 3012 with sflash firmware */
143 { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
144 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
145 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
146 { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
147 { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
148 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
149 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
150 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
151 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
152 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
153 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
154 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
155 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
156 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
157 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
158 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
159 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
160 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
161 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
162 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
163 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
164 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
165 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
167 /* Atheros AR5BBU12 with sflash firmware */
168 { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
170 /* Atheros AR5BBU12 with sflash firmware */
171 { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
172 { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
174 /* Broadcom BCM2035 */
175 { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
176 { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
177 { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
179 /* Broadcom BCM2045 */
180 { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
181 { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
183 /* IBM/Lenovo ThinkPad with Broadcom chip */
184 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
185 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
187 /* HP laptop with Broadcom chip */
188 { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
190 /* Dell laptop with Broadcom chip */
191 { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
193 /* Dell Wireless 370 and 410 devices */
194 { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
195 { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
197 /* Belkin F8T012 and F8T013 devices */
198 { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
199 { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
201 /* Asus WL-BTD202 device */
202 { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
204 /* Kensington Bluetooth USB adapter */
205 { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
207 /* RTX Telecom based adapters with buggy SCO support */
208 { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
209 { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
211 /* CONWISE Technology based adapters with buggy SCO support */
212 { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC },
214 /* Digianswer devices */
215 { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
216 { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
218 /* CSR BlueCore Bluetooth Sniffer */
219 { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER },
221 /* Frontline ComProbe Bluetooth Sniffer */
222 { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER },
224 /* Intel Bluetooth device */
225 { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
227 { } /* Terminating entry */
230 #define BTUSB_MAX_ISOC_FRAMES 10
232 #define BTUSB_INTR_RUNNING 0
233 #define BTUSB_BULK_RUNNING 1
234 #define BTUSB_ISOC_RUNNING 2
235 #define BTUSB_SUSPENDING 3
236 #define BTUSB_DID_ISO_RESUME 4
239 struct hci_dev *hdev;
240 struct usb_device *udev;
241 struct usb_interface *intf;
242 struct usb_interface *isoc;
248 struct work_struct work;
249 struct work_struct waker;
251 struct usb_anchor tx_anchor;
252 struct usb_anchor intr_anchor;
253 struct usb_anchor bulk_anchor;
254 struct usb_anchor isoc_anchor;
255 struct usb_anchor deferred;
259 struct usb_endpoint_descriptor *intr_ep;
260 struct usb_endpoint_descriptor *bulk_tx_ep;
261 struct usb_endpoint_descriptor *bulk_rx_ep;
262 struct usb_endpoint_descriptor *isoc_tx_ep;
263 struct usb_endpoint_descriptor *isoc_rx_ep;
267 unsigned int sco_num;
272 static int inc_tx(struct btusb_data *data)
277 spin_lock_irqsave(&data->txlock, flags);
278 rv = test_bit(BTUSB_SUSPENDING, &data->flags);
280 data->tx_in_flight++;
281 spin_unlock_irqrestore(&data->txlock, flags);
286 static void btusb_intr_complete(struct urb *urb)
288 struct hci_dev *hdev = urb->context;
289 struct btusb_data *data = hci_get_drvdata(hdev);
292 BT_DBG("%s urb %p status %d count %d", hdev->name,
293 urb, urb->status, urb->actual_length);
295 if (!test_bit(HCI_RUNNING, &hdev->flags))
298 if (urb->status == 0) {
299 hdev->stat.byte_rx += urb->actual_length;
301 if (hci_recv_fragment(hdev, HCI_EVENT_PKT,
302 urb->transfer_buffer,
303 urb->actual_length) < 0) {
304 BT_ERR("%s corrupted event packet", hdev->name);
309 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
312 usb_mark_last_busy(data->udev);
313 usb_anchor_urb(urb, &data->intr_anchor);
315 err = usb_submit_urb(urb, GFP_ATOMIC);
317 /* -EPERM: urb is being killed;
318 * -ENODEV: device got disconnected */
319 if (err != -EPERM && err != -ENODEV)
320 BT_ERR("%s urb %p failed to resubmit (%d)",
321 hdev->name, urb, -err);
322 usb_unanchor_urb(urb);
326 static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
328 struct btusb_data *data = hci_get_drvdata(hdev);
334 BT_DBG("%s", hdev->name);
339 urb = usb_alloc_urb(0, mem_flags);
343 size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
345 buf = kmalloc(size, mem_flags);
351 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
353 usb_fill_int_urb(urb, data->udev, pipe, buf, size,
354 btusb_intr_complete, hdev,
355 data->intr_ep->bInterval);
357 urb->transfer_flags |= URB_FREE_BUFFER;
359 usb_anchor_urb(urb, &data->intr_anchor);
361 err = usb_submit_urb(urb, mem_flags);
363 if (err != -EPERM && err != -ENODEV)
364 BT_ERR("%s urb %p submission failed (%d)",
365 hdev->name, urb, -err);
366 usb_unanchor_urb(urb);
374 static void btusb_bulk_complete(struct urb *urb)
376 struct hci_dev *hdev = urb->context;
377 struct btusb_data *data = hci_get_drvdata(hdev);
380 BT_DBG("%s urb %p status %d count %d", hdev->name,
381 urb, urb->status, urb->actual_length);
383 if (!test_bit(HCI_RUNNING, &hdev->flags))
386 if (urb->status == 0) {
387 hdev->stat.byte_rx += urb->actual_length;
389 if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT,
390 urb->transfer_buffer,
391 urb->actual_length) < 0) {
392 BT_ERR("%s corrupted ACL packet", hdev->name);
397 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
400 usb_anchor_urb(urb, &data->bulk_anchor);
401 usb_mark_last_busy(data->udev);
403 err = usb_submit_urb(urb, GFP_ATOMIC);
405 /* -EPERM: urb is being killed;
406 * -ENODEV: device got disconnected */
407 if (err != -EPERM && err != -ENODEV)
408 BT_ERR("%s urb %p failed to resubmit (%d)",
409 hdev->name, urb, -err);
410 usb_unanchor_urb(urb);
414 static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
416 struct btusb_data *data = hci_get_drvdata(hdev);
420 int err, size = HCI_MAX_FRAME_SIZE;
422 BT_DBG("%s", hdev->name);
424 if (!data->bulk_rx_ep)
427 urb = usb_alloc_urb(0, mem_flags);
431 buf = kmalloc(size, mem_flags);
437 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
439 usb_fill_bulk_urb(urb, data->udev, pipe,
440 buf, size, btusb_bulk_complete, hdev);
442 urb->transfer_flags |= URB_FREE_BUFFER;
444 usb_mark_last_busy(data->udev);
445 usb_anchor_urb(urb, &data->bulk_anchor);
447 err = usb_submit_urb(urb, mem_flags);
449 if (err != -EPERM && err != -ENODEV)
450 BT_ERR("%s urb %p submission failed (%d)",
451 hdev->name, urb, -err);
452 usb_unanchor_urb(urb);
460 static void btusb_isoc_complete(struct urb *urb)
462 struct hci_dev *hdev = urb->context;
463 struct btusb_data *data = hci_get_drvdata(hdev);
466 BT_DBG("%s urb %p status %d count %d", hdev->name,
467 urb, urb->status, urb->actual_length);
469 if (!test_bit(HCI_RUNNING, &hdev->flags))
472 if (urb->status == 0) {
473 for (i = 0; i < urb->number_of_packets; i++) {
474 unsigned int offset = urb->iso_frame_desc[i].offset;
475 unsigned int length = urb->iso_frame_desc[i].actual_length;
477 if (urb->iso_frame_desc[i].status)
480 hdev->stat.byte_rx += length;
482 if (hci_recv_fragment(hdev, HCI_SCODATA_PKT,
483 urb->transfer_buffer + offset,
485 BT_ERR("%s corrupted SCO packet", hdev->name);
491 if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
494 usb_anchor_urb(urb, &data->isoc_anchor);
496 err = usb_submit_urb(urb, GFP_ATOMIC);
498 /* -EPERM: urb is being killed;
499 * -ENODEV: device got disconnected */
500 if (err != -EPERM && err != -ENODEV)
501 BT_ERR("%s urb %p failed to resubmit (%d)",
502 hdev->name, urb, -err);
503 usb_unanchor_urb(urb);
507 static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
511 BT_DBG("len %d mtu %d", len, mtu);
513 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
514 i++, offset += mtu, len -= mtu) {
515 urb->iso_frame_desc[i].offset = offset;
516 urb->iso_frame_desc[i].length = mtu;
519 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
520 urb->iso_frame_desc[i].offset = offset;
521 urb->iso_frame_desc[i].length = len;
525 urb->number_of_packets = i;
528 static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
530 struct btusb_data *data = hci_get_drvdata(hdev);
536 BT_DBG("%s", hdev->name);
538 if (!data->isoc_rx_ep)
541 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
545 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
546 BTUSB_MAX_ISOC_FRAMES;
548 buf = kmalloc(size, mem_flags);
554 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
556 usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
557 hdev, data->isoc_rx_ep->bInterval);
559 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
561 __fill_isoc_descriptor(urb, size,
562 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
564 usb_anchor_urb(urb, &data->isoc_anchor);
566 err = usb_submit_urb(urb, mem_flags);
568 if (err != -EPERM && err != -ENODEV)
569 BT_ERR("%s urb %p submission failed (%d)",
570 hdev->name, urb, -err);
571 usb_unanchor_urb(urb);
579 static void btusb_tx_complete(struct urb *urb)
581 struct sk_buff *skb = urb->context;
582 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
583 struct btusb_data *data = hci_get_drvdata(hdev);
585 BT_DBG("%s urb %p status %d count %d", hdev->name,
586 urb, urb->status, urb->actual_length);
588 if (!test_bit(HCI_RUNNING, &hdev->flags))
592 hdev->stat.byte_tx += urb->transfer_buffer_length;
597 spin_lock(&data->txlock);
598 data->tx_in_flight--;
599 spin_unlock(&data->txlock);
601 kfree(urb->setup_packet);
606 static void btusb_isoc_tx_complete(struct urb *urb)
608 struct sk_buff *skb = urb->context;
609 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
611 BT_DBG("%s urb %p status %d count %d", hdev->name,
612 urb, urb->status, urb->actual_length);
614 if (!test_bit(HCI_RUNNING, &hdev->flags))
618 hdev->stat.byte_tx += urb->transfer_buffer_length;
623 kfree(urb->setup_packet);
628 static int btusb_open(struct hci_dev *hdev)
630 struct btusb_data *data = hci_get_drvdata(hdev);
633 BT_DBG("%s", hdev->name);
635 err = usb_autopm_get_interface(data->intf);
639 data->intf->needs_remote_wakeup = 1;
641 if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
644 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
647 err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
651 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
653 usb_kill_anchored_urbs(&data->intr_anchor);
657 set_bit(BTUSB_BULK_RUNNING, &data->flags);
658 btusb_submit_bulk_urb(hdev, GFP_KERNEL);
661 usb_autopm_put_interface(data->intf);
665 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
666 clear_bit(HCI_RUNNING, &hdev->flags);
667 usb_autopm_put_interface(data->intf);
671 static void btusb_stop_traffic(struct btusb_data *data)
673 usb_kill_anchored_urbs(&data->intr_anchor);
674 usb_kill_anchored_urbs(&data->bulk_anchor);
675 usb_kill_anchored_urbs(&data->isoc_anchor);
678 static int btusb_close(struct hci_dev *hdev)
680 struct btusb_data *data = hci_get_drvdata(hdev);
683 BT_DBG("%s", hdev->name);
685 if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
688 cancel_work_sync(&data->work);
689 cancel_work_sync(&data->waker);
691 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
692 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
693 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
695 btusb_stop_traffic(data);
696 err = usb_autopm_get_interface(data->intf);
700 data->intf->needs_remote_wakeup = 0;
701 usb_autopm_put_interface(data->intf);
704 usb_scuttle_anchored_urbs(&data->deferred);
708 static int btusb_flush(struct hci_dev *hdev)
710 struct btusb_data *data = hci_get_drvdata(hdev);
712 BT_DBG("%s", hdev->name);
714 usb_kill_anchored_urbs(&data->tx_anchor);
719 static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
721 struct btusb_data *data = hci_get_drvdata(hdev);
722 struct usb_ctrlrequest *dr;
727 BT_DBG("%s", hdev->name);
729 if (!test_bit(HCI_RUNNING, &hdev->flags))
732 skb->dev = (void *) hdev;
734 switch (bt_cb(skb)->pkt_type) {
735 case HCI_COMMAND_PKT:
736 urb = usb_alloc_urb(0, GFP_ATOMIC);
740 dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
746 dr->bRequestType = data->cmdreq_type;
750 dr->wLength = __cpu_to_le16(skb->len);
752 pipe = usb_sndctrlpipe(data->udev, 0x00);
754 usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
755 skb->data, skb->len, btusb_tx_complete, skb);
760 case HCI_ACLDATA_PKT:
761 if (!data->bulk_tx_ep)
764 urb = usb_alloc_urb(0, GFP_ATOMIC);
768 pipe = usb_sndbulkpipe(data->udev,
769 data->bulk_tx_ep->bEndpointAddress);
771 usb_fill_bulk_urb(urb, data->udev, pipe,
772 skb->data, skb->len, btusb_tx_complete, skb);
777 case HCI_SCODATA_PKT:
778 if (!data->isoc_tx_ep || hci_conn_num(hdev, SCO_LINK) < 1)
781 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC);
785 pipe = usb_sndisocpipe(data->udev,
786 data->isoc_tx_ep->bEndpointAddress);
788 usb_fill_int_urb(urb, data->udev, pipe,
789 skb->data, skb->len, btusb_isoc_tx_complete,
790 skb, data->isoc_tx_ep->bInterval);
792 urb->transfer_flags = URB_ISO_ASAP;
794 __fill_isoc_descriptor(urb, skb->len,
795 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
806 usb_anchor_urb(urb, &data->deferred);
807 schedule_work(&data->waker);
813 usb_anchor_urb(urb, &data->tx_anchor);
815 err = usb_submit_urb(urb, GFP_ATOMIC);
817 if (err != -EPERM && err != -ENODEV)
818 BT_ERR("%s urb %p submission failed (%d)",
819 hdev->name, urb, -err);
820 kfree(urb->setup_packet);
821 usb_unanchor_urb(urb);
823 usb_mark_last_busy(data->udev);
831 static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
833 struct btusb_data *data = hci_get_drvdata(hdev);
835 BT_DBG("%s evt %d", hdev->name, evt);
837 if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) {
838 data->sco_num = hci_conn_num(hdev, SCO_LINK);
839 schedule_work(&data->work);
843 static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
845 struct btusb_data *data = hci_get_drvdata(hdev);
846 struct usb_interface *intf = data->isoc;
847 struct usb_endpoint_descriptor *ep_desc;
853 err = usb_set_interface(data->udev, 1, altsetting);
855 BT_ERR("%s setting interface failed (%d)", hdev->name, -err);
859 data->isoc_altsetting = altsetting;
861 data->isoc_tx_ep = NULL;
862 data->isoc_rx_ep = NULL;
864 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
865 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
867 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
868 data->isoc_tx_ep = ep_desc;
872 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
873 data->isoc_rx_ep = ep_desc;
878 if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
879 BT_ERR("%s invalid SCO descriptors", hdev->name);
886 static void btusb_work(struct work_struct *work)
888 struct btusb_data *data = container_of(work, struct btusb_data, work);
889 struct hci_dev *hdev = data->hdev;
893 if (data->sco_num > 0) {
894 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
895 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
897 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
898 usb_kill_anchored_urbs(&data->isoc_anchor);
902 set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
905 if (hdev->voice_setting & 0x0020) {
906 static const int alts[3] = { 2, 4, 5 };
907 new_alts = alts[data->sco_num - 1];
909 new_alts = data->sco_num;
912 if (data->isoc_altsetting != new_alts) {
913 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
914 usb_kill_anchored_urbs(&data->isoc_anchor);
916 if (__set_isoc_interface(hdev, new_alts) < 0)
920 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
921 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
922 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
924 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
927 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
928 usb_kill_anchored_urbs(&data->isoc_anchor);
930 __set_isoc_interface(hdev, 0);
931 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
932 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
936 static void btusb_waker(struct work_struct *work)
938 struct btusb_data *data = container_of(work, struct btusb_data, waker);
941 err = usb_autopm_get_interface(data->intf);
945 usb_autopm_put_interface(data->intf);
948 static int btusb_setup_bcm92035(struct hci_dev *hdev)
953 BT_DBG("%s", hdev->name);
955 skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT);
957 BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb));
964 struct intel_version {
977 static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev,
978 struct intel_version *ver)
980 const struct firmware *fw;
984 snprintf(fwname, sizeof(fwname),
985 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
986 ver->hw_platform, ver->hw_variant, ver->hw_revision,
987 ver->fw_variant, ver->fw_revision, ver->fw_build_num,
988 ver->fw_build_ww, ver->fw_build_yy);
990 ret = request_firmware(&fw, fwname, &hdev->dev);
992 if (ret == -EINVAL) {
993 BT_ERR("%s Intel firmware file request failed (%d)",
998 BT_ERR("%s failed to open Intel firmware file: %s(%d)",
999 hdev->name, fwname, ret);
1001 /* If the correct firmware patch file is not found, use the
1002 * default firmware patch file instead
1004 snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq",
1005 ver->hw_platform, ver->hw_variant);
1006 if (request_firmware(&fw, fwname, &hdev->dev) < 0) {
1007 BT_ERR("%s failed to open default Intel fw file: %s",
1008 hdev->name, fwname);
1013 BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname);
1018 static int btusb_setup_intel_patching(struct hci_dev *hdev,
1019 const struct firmware *fw,
1020 const u8 **fw_ptr, int *disable_patch)
1022 struct sk_buff *skb;
1023 struct hci_command_hdr *cmd;
1024 const u8 *cmd_param;
1025 struct hci_event_hdr *evt = NULL;
1026 const u8 *evt_param = NULL;
1027 int remain = fw->size - (*fw_ptr - fw->data);
1029 /* The first byte indicates the types of the patch command or event.
1030 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
1031 * in the current firmware buffer doesn't start with 0x01 or
1032 * the size of remain buffer is smaller than HCI command header,
1033 * the firmware file is corrupted and it should stop the patching
1036 if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) {
1037 BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name);
1043 cmd = (struct hci_command_hdr *)(*fw_ptr);
1044 *fw_ptr += sizeof(*cmd);
1045 remain -= sizeof(*cmd);
1047 /* Ensure that the remain firmware data is long enough than the length
1048 * of command parameter. If not, the firmware file is corrupted.
1050 if (remain < cmd->plen) {
1051 BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name);
1055 /* If there is a command that loads a patch in the firmware
1056 * file, then enable the patch upon success, otherwise just
1057 * disable the manufacturer mode, for example patch activation
1058 * is not required when the default firmware patch file is used
1059 * because there are no patch data to load.
1061 if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e)
1064 cmd_param = *fw_ptr;
1065 *fw_ptr += cmd->plen;
1066 remain -= cmd->plen;
1068 /* This reads the expected events when the above command is sent to the
1069 * device. Some vendor commands expects more than one events, for
1070 * example command status event followed by vendor specific event.
1071 * For this case, it only keeps the last expected event. so the command
1072 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
1073 * last expected event.
1075 while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) {
1079 evt = (struct hci_event_hdr *)(*fw_ptr);
1080 *fw_ptr += sizeof(*evt);
1081 remain -= sizeof(*evt);
1083 if (remain < evt->plen) {
1084 BT_ERR("%s Intel fw corrupted: invalid evt len",
1089 evt_param = *fw_ptr;
1090 *fw_ptr += evt->plen;
1091 remain -= evt->plen;
1094 /* Every HCI commands in the firmware file has its correspond event.
1095 * If event is not found or remain is smaller than zero, the firmware
1096 * file is corrupted.
1098 if (!evt || !evt_param || remain < 0) {
1099 BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name);
1103 skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen,
1104 cmd_param, evt->evt, HCI_INIT_TIMEOUT);
1106 BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)",
1107 hdev->name, cmd->opcode, PTR_ERR(skb));
1108 return PTR_ERR(skb);
1111 /* It ensures that the returned event matches the event data read from
1112 * the firmware file. At fist, it checks the length and then
1113 * the contents of the event.
1115 if (skb->len != evt->plen) {
1116 BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name,
1117 le16_to_cpu(cmd->opcode));
1122 if (memcmp(skb->data, evt_param, evt->plen)) {
1123 BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)",
1124 hdev->name, le16_to_cpu(cmd->opcode));
1133 static int btusb_setup_intel(struct hci_dev *hdev)
1135 struct sk_buff *skb;
1136 const struct firmware *fw;
1139 struct intel_version *ver;
1141 const u8 mfg_enable[] = { 0x01, 0x00 };
1142 const u8 mfg_disable[] = { 0x00, 0x00 };
1143 const u8 mfg_reset_deactivate[] = { 0x00, 0x01 };
1144 const u8 mfg_reset_activate[] = { 0x00, 0x02 };
1146 BT_DBG("%s", hdev->name);
1148 /* The controller has a bug with the first HCI command sent to it
1149 * returning number of completed commands as zero. This would stall the
1150 * command processing in the Bluetooth core.
1152 * As a workaround, send HCI Reset command first which will reset the
1153 * number of completed commands and allow normal command processing
1156 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
1158 BT_ERR("%s sending initial HCI reset command failed (%ld)",
1159 hdev->name, PTR_ERR(skb));
1160 return PTR_ERR(skb);
1164 /* Read Intel specific controller version first to allow selection of
1165 * which firmware file to load.
1167 * The returned information are hardware variant and revision plus
1168 * firmware variant, revision and build number.
1170 skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT);
1172 BT_ERR("%s reading Intel fw version command failed (%ld)",
1173 hdev->name, PTR_ERR(skb));
1174 return PTR_ERR(skb);
1177 if (skb->len != sizeof(*ver)) {
1178 BT_ERR("%s Intel version event length mismatch", hdev->name);
1183 ver = (struct intel_version *)skb->data;
1185 BT_ERR("%s Intel fw version event failed (%02x)", hdev->name,
1188 return -bt_to_errno(ver->status);
1191 BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
1192 hdev->name, ver->hw_platform, ver->hw_variant,
1193 ver->hw_revision, ver->fw_variant, ver->fw_revision,
1194 ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy,
1197 /* fw_patch_num indicates the version of patch the device currently
1198 * have. If there is no patch data in the device, it is always 0x00.
1199 * So, if it is other than 0x00, no need to patch the deivce again.
1201 if (ver->fw_patch_num) {
1202 BT_INFO("%s: Intel device is already patched. patch num: %02x",
1203 hdev->name, ver->fw_patch_num);
1208 /* Opens the firmware patch file based on the firmware version read
1209 * from the controller. If it fails to open the matching firmware
1210 * patch file, it tries to open the default firmware patch file.
1211 * If no patch file is found, allow the device to operate without
1214 fw = btusb_setup_intel_get_fw(hdev, ver);
1221 /* This Intel specific command enables the manufacturer mode of the
1224 * Only while this mode is enabled, the driver can download the
1225 * firmware patch data and configuration parameters.
1227 skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT);
1229 BT_ERR("%s entering Intel manufacturer mode failed (%ld)",
1230 hdev->name, PTR_ERR(skb));
1231 release_firmware(fw);
1232 return PTR_ERR(skb);
1236 u8 evt_status = skb->data[0];
1237 BT_ERR("%s enable Intel manufacturer mode event failed (%02x)",
1238 hdev->name, evt_status);
1240 release_firmware(fw);
1241 return -bt_to_errno(evt_status);
1247 /* The firmware data file consists of list of Intel specific HCI
1248 * commands and its expected events. The first byte indicates the
1249 * type of the message, either HCI command or HCI event.
1251 * It reads the command and its expected event from the firmware file,
1252 * and send to the controller. Once __hci_cmd_sync_ev() returns,
1253 * the returned event is compared with the event read from the firmware
1254 * file and it will continue until all the messages are downloaded to
1257 * Once the firmware patching is completed successfully,
1258 * the manufacturer mode is disabled with reset and activating the
1261 * If the firmware patching fails, the manufacturer mode is
1262 * disabled with reset and deactivating the patch.
1264 * If the default patch file is used, no reset is done when disabling
1267 while (fw->size > fw_ptr - fw->data) {
1270 ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr,
1273 goto exit_mfg_deactivate;
1276 release_firmware(fw);
1279 goto exit_mfg_disable;
1281 /* Patching completed successfully and disable the manufacturer mode
1282 * with reset and activate the downloaded firmware patches.
1284 skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate),
1285 mfg_reset_activate, HCI_INIT_TIMEOUT);
1287 BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
1288 hdev->name, PTR_ERR(skb));
1289 return PTR_ERR(skb);
1293 BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
1299 /* Disable the manufacturer mode without reset */
1300 skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable,
1303 BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
1304 hdev->name, PTR_ERR(skb));
1305 return PTR_ERR(skb);
1309 BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name);
1312 exit_mfg_deactivate:
1313 release_firmware(fw);
1315 /* Patching failed. Disable the manufacturer mode with reset and
1316 * deactivate the downloaded firmware patches.
1318 skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate),
1319 mfg_reset_deactivate, HCI_INIT_TIMEOUT);
1321 BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
1322 hdev->name, PTR_ERR(skb));
1323 return PTR_ERR(skb);
1327 BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
1333 static int btusb_probe(struct usb_interface *intf,
1334 const struct usb_device_id *id)
1336 struct usb_endpoint_descriptor *ep_desc;
1337 struct btusb_data *data;
1338 struct hci_dev *hdev;
1341 BT_DBG("intf %p id %p", intf, id);
1343 /* interface numbers are hardcoded in the spec */
1344 if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
1347 if (!id->driver_info) {
1348 const struct usb_device_id *match;
1349 match = usb_match_id(intf, blacklist_table);
1354 if (id->driver_info == BTUSB_IGNORE)
1357 if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER)
1360 if (ignore_csr && id->driver_info & BTUSB_CSR)
1363 if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER)
1366 if (id->driver_info & BTUSB_ATH3012) {
1367 struct usb_device *udev = interface_to_usbdev(intf);
1369 /* Old firmware would otherwise let ath3k driver load
1370 * patch and sysconfig files */
1371 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
1375 data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
1379 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
1380 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
1382 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
1383 data->intr_ep = ep_desc;
1387 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
1388 data->bulk_tx_ep = ep_desc;
1392 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
1393 data->bulk_rx_ep = ep_desc;
1398 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
1401 data->cmdreq_type = USB_TYPE_CLASS;
1403 data->udev = interface_to_usbdev(intf);
1406 spin_lock_init(&data->lock);
1408 INIT_WORK(&data->work, btusb_work);
1409 INIT_WORK(&data->waker, btusb_waker);
1410 spin_lock_init(&data->txlock);
1412 init_usb_anchor(&data->tx_anchor);
1413 init_usb_anchor(&data->intr_anchor);
1414 init_usb_anchor(&data->bulk_anchor);
1415 init_usb_anchor(&data->isoc_anchor);
1416 init_usb_anchor(&data->deferred);
1418 hdev = hci_alloc_dev();
1422 hdev->bus = HCI_USB;
1423 hci_set_drvdata(hdev, data);
1427 SET_HCIDEV_DEV(hdev, &intf->dev);
1429 hdev->open = btusb_open;
1430 hdev->close = btusb_close;
1431 hdev->flush = btusb_flush;
1432 hdev->send = btusb_send_frame;
1433 hdev->notify = btusb_notify;
1435 if (id->driver_info & BTUSB_BCM92035)
1436 hdev->setup = btusb_setup_bcm92035;
1438 if (id->driver_info & BTUSB_INTEL)
1439 hdev->setup = btusb_setup_intel;
1441 /* Interface numbers are hardcoded in the specification */
1442 data->isoc = usb_ifnum_to_if(data->udev, 1);
1445 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
1447 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
1448 if (!disable_scofix)
1449 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
1452 if (id->driver_info & BTUSB_BROKEN_ISOC)
1455 if (id->driver_info & BTUSB_DIGIANSWER) {
1456 data->cmdreq_type = USB_TYPE_VENDOR;
1457 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
1460 if (id->driver_info & BTUSB_CSR) {
1461 struct usb_device *udev = data->udev;
1463 /* Old firmware would otherwise execute USB reset */
1464 if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117)
1465 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
1468 if (id->driver_info & BTUSB_SNIFFER) {
1469 struct usb_device *udev = data->udev;
1471 /* New sniffer firmware has crippled HCI interface */
1472 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
1473 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
1479 err = usb_driver_claim_interface(&btusb_driver,
1487 err = hci_register_dev(hdev);
1493 usb_set_intfdata(intf, data);
1498 static void btusb_disconnect(struct usb_interface *intf)
1500 struct btusb_data *data = usb_get_intfdata(intf);
1501 struct hci_dev *hdev;
1503 BT_DBG("intf %p", intf);
1509 usb_set_intfdata(data->intf, NULL);
1512 usb_set_intfdata(data->isoc, NULL);
1514 hci_unregister_dev(hdev);
1516 if (intf == data->isoc)
1517 usb_driver_release_interface(&btusb_driver, data->intf);
1518 else if (data->isoc)
1519 usb_driver_release_interface(&btusb_driver, data->isoc);
1525 static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
1527 struct btusb_data *data = usb_get_intfdata(intf);
1529 BT_DBG("intf %p", intf);
1531 if (data->suspend_count++)
1534 spin_lock_irq(&data->txlock);
1535 if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
1536 set_bit(BTUSB_SUSPENDING, &data->flags);
1537 spin_unlock_irq(&data->txlock);
1539 spin_unlock_irq(&data->txlock);
1540 data->suspend_count--;
1544 cancel_work_sync(&data->work);
1546 btusb_stop_traffic(data);
1547 usb_kill_anchored_urbs(&data->tx_anchor);
1552 static void play_deferred(struct btusb_data *data)
1557 while ((urb = usb_get_from_anchor(&data->deferred))) {
1558 err = usb_submit_urb(urb, GFP_ATOMIC);
1562 data->tx_in_flight++;
1564 usb_scuttle_anchored_urbs(&data->deferred);
1567 static int btusb_resume(struct usb_interface *intf)
1569 struct btusb_data *data = usb_get_intfdata(intf);
1570 struct hci_dev *hdev = data->hdev;
1573 BT_DBG("intf %p", intf);
1575 if (--data->suspend_count)
1578 if (!test_bit(HCI_RUNNING, &hdev->flags))
1581 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
1582 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
1584 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
1589 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
1590 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
1592 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
1596 btusb_submit_bulk_urb(hdev, GFP_NOIO);
1599 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
1600 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
1601 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1603 btusb_submit_isoc_urb(hdev, GFP_NOIO);
1606 spin_lock_irq(&data->txlock);
1607 play_deferred(data);
1608 clear_bit(BTUSB_SUSPENDING, &data->flags);
1609 spin_unlock_irq(&data->txlock);
1610 schedule_work(&data->work);
1615 usb_scuttle_anchored_urbs(&data->deferred);
1617 spin_lock_irq(&data->txlock);
1618 clear_bit(BTUSB_SUSPENDING, &data->flags);
1619 spin_unlock_irq(&data->txlock);
1625 static struct usb_driver btusb_driver = {
1627 .probe = btusb_probe,
1628 .disconnect = btusb_disconnect,
1630 .suspend = btusb_suspend,
1631 .resume = btusb_resume,
1633 .id_table = btusb_table,
1634 .supports_autosuspend = 1,
1635 .disable_hub_initiated_lpm = 1,
1638 module_usb_driver(btusb_driver);
1640 module_param(ignore_dga, bool, 0644);
1641 MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001");
1643 module_param(ignore_csr, bool, 0644);
1644 MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001");
1646 module_param(ignore_sniffer, bool, 0644);
1647 MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002");
1649 module_param(disable_scofix, bool, 0644);
1650 MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
1652 module_param(force_scofix, bool, 0644);
1653 MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
1655 module_param(reset, bool, 0644);
1656 MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
1658 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
1659 MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
1660 MODULE_VERSION(VERSION);
1661 MODULE_LICENSE("GPL");