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 disable_scofix
;
34 static bool force_scofix
;
36 static bool reset
= 1;
38 static struct usb_driver btusb_driver
;
40 #define BTUSB_IGNORE 0x01
41 #define BTUSB_DIGIANSWER 0x02
42 #define BTUSB_CSR 0x04
43 #define BTUSB_SNIFFER 0x08
44 #define BTUSB_BCM92035 0x10
45 #define BTUSB_BROKEN_ISOC 0x20
46 #define BTUSB_WRONG_SCO_MTU 0x40
47 #define BTUSB_ATH3012 0x80
48 #define BTUSB_INTEL 0x100
49 #define BTUSB_INTEL_BOOT 0x200
50 #define BTUSB_BCM_PATCHRAM 0x400
51 #define BTUSB_MARVELL 0x800
52 #define BTUSB_SWAVE 0x1000
53 #define BTUSB_INTEL_NEW 0x2000
54 #define BTUSB_AMP 0x4000
56 static const struct usb_device_id btusb_table
[] = {
57 /* Generic Bluetooth USB device */
58 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
60 /* Generic Bluetooth AMP device */
61 { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info
= BTUSB_AMP
},
63 /* Apple-specific (Broadcom) devices */
64 { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) },
66 /* MediaTek MT76x0E */
67 { USB_DEVICE(0x0e8d, 0x763f) },
69 /* Broadcom SoftSailing reporting vendor specific */
70 { USB_DEVICE(0x0a5c, 0x21e1) },
72 /* Apple MacBookPro 7,1 */
73 { USB_DEVICE(0x05ac, 0x8213) },
76 { USB_DEVICE(0x05ac, 0x8215) },
78 /* Apple MacBookPro6,2 */
79 { USB_DEVICE(0x05ac, 0x8218) },
81 /* Apple MacBookAir3,1, MacBookAir3,2 */
82 { USB_DEVICE(0x05ac, 0x821b) },
84 /* Apple MacBookAir4,1 */
85 { USB_DEVICE(0x05ac, 0x821f) },
87 /* Apple MacBookPro8,2 */
88 { USB_DEVICE(0x05ac, 0x821a) },
90 /* Apple MacMini5,1 */
91 { USB_DEVICE(0x05ac, 0x8281) },
93 /* AVM BlueFRITZ! USB v2.0 */
94 { USB_DEVICE(0x057c, 0x3800), .driver_info
= BTUSB_SWAVE
},
96 /* Bluetooth Ultraport Module from IBM */
97 { USB_DEVICE(0x04bf, 0x030a) },
99 /* ALPS Modules with non-standard id */
100 { USB_DEVICE(0x044e, 0x3001) },
101 { USB_DEVICE(0x044e, 0x3002) },
103 /* Ericsson with non-standard id */
104 { USB_DEVICE(0x0bdb, 0x1002) },
106 /* Canyon CN-BTU1 with HID interfaces */
107 { USB_DEVICE(0x0c10, 0x0000) },
109 /* Broadcom BCM20702A0 */
110 { USB_DEVICE(0x0489, 0xe042) },
111 { USB_DEVICE(0x04ca, 0x2003) },
112 { USB_DEVICE(0x0b05, 0x17b5) },
113 { USB_DEVICE(0x0b05, 0x17cb) },
114 { USB_DEVICE(0x413c, 0x8197) },
115 { USB_DEVICE(0x13d3, 0x3404),
116 .driver_info
= BTUSB_BCM_PATCHRAM
},
118 /* Broadcom BCM20702B0 (Dynex/Insignia) */
119 { USB_DEVICE(0x19ff, 0x0239), .driver_info
= BTUSB_BCM_PATCHRAM
},
121 /* Foxconn - Hon Hai */
122 { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
123 .driver_info
= BTUSB_BCM_PATCHRAM
},
125 /* Lite-On Technology - Broadcom based */
126 { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01),
127 .driver_info
= BTUSB_BCM_PATCHRAM
},
129 /* Broadcom devices with vendor specific id */
130 { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01),
131 .driver_info
= BTUSB_BCM_PATCHRAM
},
133 /* ASUSTek Computer - Broadcom based */
134 { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01),
135 .driver_info
= BTUSB_BCM_PATCHRAM
},
137 /* Belkin F8065bf - Broadcom based */
138 { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01) },
140 /* IMC Networks - Broadcom based */
141 { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01) },
143 /* Intel Bluetooth USB Bootloader (RAM module) */
144 { USB_DEVICE(0x8087, 0x0a5a),
145 .driver_info
= BTUSB_INTEL_BOOT
| BTUSB_BROKEN_ISOC
},
147 { } /* Terminating entry */
150 MODULE_DEVICE_TABLE(usb
, btusb_table
);
152 static const struct usb_device_id blacklist_table
[] = {
153 /* CSR BlueCore devices */
154 { USB_DEVICE(0x0a12, 0x0001), .driver_info
= BTUSB_CSR
},
156 /* Broadcom BCM2033 without firmware */
157 { USB_DEVICE(0x0a5c, 0x2033), .driver_info
= BTUSB_IGNORE
},
159 /* Atheros 3011 with sflash firmware */
160 { USB_DEVICE(0x0489, 0xe027), .driver_info
= BTUSB_IGNORE
},
161 { USB_DEVICE(0x0489, 0xe03d), .driver_info
= BTUSB_IGNORE
},
162 { USB_DEVICE(0x04f2, 0xaff1), .driver_info
= BTUSB_IGNORE
},
163 { USB_DEVICE(0x0930, 0x0215), .driver_info
= BTUSB_IGNORE
},
164 { USB_DEVICE(0x0cf3, 0x3002), .driver_info
= BTUSB_IGNORE
},
165 { USB_DEVICE(0x0cf3, 0xe019), .driver_info
= BTUSB_IGNORE
},
166 { USB_DEVICE(0x13d3, 0x3304), .driver_info
= BTUSB_IGNORE
},
168 /* Atheros AR9285 Malbec with sflash firmware */
169 { USB_DEVICE(0x03f0, 0x311d), .driver_info
= BTUSB_IGNORE
},
171 /* Atheros 3012 with sflash firmware */
172 { USB_DEVICE(0x0489, 0xe04d), .driver_info
= BTUSB_ATH3012
},
173 { USB_DEVICE(0x0489, 0xe04e), .driver_info
= BTUSB_ATH3012
},
174 { USB_DEVICE(0x0489, 0xe056), .driver_info
= BTUSB_ATH3012
},
175 { USB_DEVICE(0x0489, 0xe057), .driver_info
= BTUSB_ATH3012
},
176 { USB_DEVICE(0x0489, 0xe05f), .driver_info
= BTUSB_ATH3012
},
177 { USB_DEVICE(0x0489, 0xe078), .driver_info
= BTUSB_ATH3012
},
178 { USB_DEVICE(0x04c5, 0x1330), .driver_info
= BTUSB_ATH3012
},
179 { USB_DEVICE(0x04ca, 0x3004), .driver_info
= BTUSB_ATH3012
},
180 { USB_DEVICE(0x04ca, 0x3005), .driver_info
= BTUSB_ATH3012
},
181 { USB_DEVICE(0x04ca, 0x3006), .driver_info
= BTUSB_ATH3012
},
182 { USB_DEVICE(0x04ca, 0x3007), .driver_info
= BTUSB_ATH3012
},
183 { USB_DEVICE(0x04ca, 0x3008), .driver_info
= BTUSB_ATH3012
},
184 { USB_DEVICE(0x04ca, 0x300b), .driver_info
= BTUSB_ATH3012
},
185 { USB_DEVICE(0x04ca, 0x3010), .driver_info
= BTUSB_ATH3012
},
186 { USB_DEVICE(0x0930, 0x0219), .driver_info
= BTUSB_ATH3012
},
187 { USB_DEVICE(0x0930, 0x0220), .driver_info
= BTUSB_ATH3012
},
188 { USB_DEVICE(0x0930, 0x0227), .driver_info
= BTUSB_ATH3012
},
189 { USB_DEVICE(0x0b05, 0x17d0), .driver_info
= BTUSB_ATH3012
},
190 { USB_DEVICE(0x0cf3, 0x0036), .driver_info
= BTUSB_ATH3012
},
191 { USB_DEVICE(0x0cf3, 0x3004), .driver_info
= BTUSB_ATH3012
},
192 { USB_DEVICE(0x0cf3, 0x3008), .driver_info
= BTUSB_ATH3012
},
193 { USB_DEVICE(0x0cf3, 0x311d), .driver_info
= BTUSB_ATH3012
},
194 { USB_DEVICE(0x0cf3, 0x311e), .driver_info
= BTUSB_ATH3012
},
195 { USB_DEVICE(0x0cf3, 0x311f), .driver_info
= BTUSB_ATH3012
},
196 { USB_DEVICE(0x0cf3, 0x3121), .driver_info
= BTUSB_ATH3012
},
197 { USB_DEVICE(0x0cf3, 0x817a), .driver_info
= BTUSB_ATH3012
},
198 { USB_DEVICE(0x0cf3, 0xe003), .driver_info
= BTUSB_ATH3012
},
199 { USB_DEVICE(0x0cf3, 0xe004), .driver_info
= BTUSB_ATH3012
},
200 { USB_DEVICE(0x0cf3, 0xe005), .driver_info
= BTUSB_ATH3012
},
201 { USB_DEVICE(0x13d3, 0x3362), .driver_info
= BTUSB_ATH3012
},
202 { USB_DEVICE(0x13d3, 0x3375), .driver_info
= BTUSB_ATH3012
},
203 { USB_DEVICE(0x13d3, 0x3393), .driver_info
= BTUSB_ATH3012
},
204 { USB_DEVICE(0x13d3, 0x3402), .driver_info
= BTUSB_ATH3012
},
205 { USB_DEVICE(0x13d3, 0x3408), .driver_info
= BTUSB_ATH3012
},
206 { USB_DEVICE(0x13d3, 0x3423), .driver_info
= BTUSB_ATH3012
},
207 { USB_DEVICE(0x13d3, 0x3432), .driver_info
= BTUSB_ATH3012
},
209 /* Atheros AR5BBU12 with sflash firmware */
210 { USB_DEVICE(0x0489, 0xe02c), .driver_info
= BTUSB_IGNORE
},
212 /* Atheros AR5BBU12 with sflash firmware */
213 { USB_DEVICE(0x0489, 0xe036), .driver_info
= BTUSB_ATH3012
},
214 { USB_DEVICE(0x0489, 0xe03c), .driver_info
= BTUSB_ATH3012
},
216 /* Broadcom BCM2035 */
217 { USB_DEVICE(0x0a5c, 0x2009), .driver_info
= BTUSB_BCM92035
},
218 { USB_DEVICE(0x0a5c, 0x200a), .driver_info
= BTUSB_WRONG_SCO_MTU
},
219 { USB_DEVICE(0x0a5c, 0x2035), .driver_info
= BTUSB_WRONG_SCO_MTU
},
221 /* Broadcom BCM2045 */
222 { USB_DEVICE(0x0a5c, 0x2039), .driver_info
= BTUSB_WRONG_SCO_MTU
},
223 { USB_DEVICE(0x0a5c, 0x2101), .driver_info
= BTUSB_WRONG_SCO_MTU
},
225 /* IBM/Lenovo ThinkPad with Broadcom chip */
226 { USB_DEVICE(0x0a5c, 0x201e), .driver_info
= BTUSB_WRONG_SCO_MTU
},
227 { USB_DEVICE(0x0a5c, 0x2110), .driver_info
= BTUSB_WRONG_SCO_MTU
},
229 /* HP laptop with Broadcom chip */
230 { USB_DEVICE(0x03f0, 0x171d), .driver_info
= BTUSB_WRONG_SCO_MTU
},
232 /* Dell laptop with Broadcom chip */
233 { USB_DEVICE(0x413c, 0x8126), .driver_info
= BTUSB_WRONG_SCO_MTU
},
235 /* Dell Wireless 370 and 410 devices */
236 { USB_DEVICE(0x413c, 0x8152), .driver_info
= BTUSB_WRONG_SCO_MTU
},
237 { USB_DEVICE(0x413c, 0x8156), .driver_info
= BTUSB_WRONG_SCO_MTU
},
239 /* Belkin F8T012 and F8T013 devices */
240 { USB_DEVICE(0x050d, 0x0012), .driver_info
= BTUSB_WRONG_SCO_MTU
},
241 { USB_DEVICE(0x050d, 0x0013), .driver_info
= BTUSB_WRONG_SCO_MTU
},
243 /* Asus WL-BTD202 device */
244 { USB_DEVICE(0x0b05, 0x1715), .driver_info
= BTUSB_WRONG_SCO_MTU
},
246 /* Kensington Bluetooth USB adapter */
247 { USB_DEVICE(0x047d, 0x105e), .driver_info
= BTUSB_WRONG_SCO_MTU
},
249 /* RTX Telecom based adapters with buggy SCO support */
250 { USB_DEVICE(0x0400, 0x0807), .driver_info
= BTUSB_BROKEN_ISOC
},
251 { USB_DEVICE(0x0400, 0x080a), .driver_info
= BTUSB_BROKEN_ISOC
},
253 /* CONWISE Technology based adapters with buggy SCO support */
254 { USB_DEVICE(0x0e5e, 0x6622), .driver_info
= BTUSB_BROKEN_ISOC
},
256 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
257 { USB_DEVICE(0x1300, 0x0001), .driver_info
= BTUSB_SWAVE
},
259 /* Digianswer devices */
260 { USB_DEVICE(0x08fd, 0x0001), .driver_info
= BTUSB_DIGIANSWER
},
261 { USB_DEVICE(0x08fd, 0x0002), .driver_info
= BTUSB_IGNORE
},
263 /* CSR BlueCore Bluetooth Sniffer */
264 { USB_DEVICE(0x0a12, 0x0002),
265 .driver_info
= BTUSB_SNIFFER
| BTUSB_BROKEN_ISOC
},
267 /* Frontline ComProbe Bluetooth Sniffer */
268 { USB_DEVICE(0x16d3, 0x0002),
269 .driver_info
= BTUSB_SNIFFER
| BTUSB_BROKEN_ISOC
},
271 /* Marvell Bluetooth devices */
272 { USB_DEVICE(0x1286, 0x2044), .driver_info
= BTUSB_MARVELL
},
273 { USB_DEVICE(0x1286, 0x2046), .driver_info
= BTUSB_MARVELL
},
275 /* Intel Bluetooth devices */
276 { USB_DEVICE(0x8087, 0x07da), .driver_info
= BTUSB_CSR
},
277 { USB_DEVICE(0x8087, 0x07dc), .driver_info
= BTUSB_INTEL
},
278 { USB_DEVICE(0x8087, 0x0a2a), .driver_info
= BTUSB_INTEL
},
279 { USB_DEVICE(0x8087, 0x0a2b), .driver_info
= BTUSB_INTEL_NEW
},
281 /* Other Intel Bluetooth devices */
282 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
283 .driver_info
= BTUSB_IGNORE
},
285 { } /* Terminating entry */
288 #define BTUSB_MAX_ISOC_FRAMES 10
290 #define BTUSB_INTR_RUNNING 0
291 #define BTUSB_BULK_RUNNING 1
292 #define BTUSB_ISOC_RUNNING 2
293 #define BTUSB_SUSPENDING 3
294 #define BTUSB_DID_ISO_RESUME 4
295 #define BTUSB_BOOTLOADER 5
296 #define BTUSB_DOWNLOADING 6
297 #define BTUSB_FIRMWARE_LOADED 7
298 #define BTUSB_FIRMWARE_FAILED 8
299 #define BTUSB_BOOTING 9
302 struct hci_dev
*hdev
;
303 struct usb_device
*udev
;
304 struct usb_interface
*intf
;
305 struct usb_interface
*isoc
;
309 struct work_struct work
;
310 struct work_struct waker
;
312 struct usb_anchor deferred
;
313 struct usb_anchor tx_anchor
;
317 struct usb_anchor intr_anchor
;
318 struct usb_anchor bulk_anchor
;
319 struct usb_anchor isoc_anchor
;
322 struct sk_buff
*evt_skb
;
323 struct sk_buff
*acl_skb
;
324 struct sk_buff
*sco_skb
;
326 struct usb_endpoint_descriptor
*intr_ep
;
327 struct usb_endpoint_descriptor
*bulk_tx_ep
;
328 struct usb_endpoint_descriptor
*bulk_rx_ep
;
329 struct usb_endpoint_descriptor
*isoc_tx_ep
;
330 struct usb_endpoint_descriptor
*isoc_rx_ep
;
335 unsigned int sco_num
;
339 int (*recv_event
)(struct hci_dev
*hdev
, struct sk_buff
*skb
);
340 int (*recv_bulk
)(struct btusb_data
*data
, void *buffer
, int count
);
343 static inline void btusb_free_frags(struct btusb_data
*data
)
347 spin_lock_irqsave(&data
->rxlock
, flags
);
349 kfree_skb(data
->evt_skb
);
350 data
->evt_skb
= NULL
;
352 kfree_skb(data
->acl_skb
);
353 data
->acl_skb
= NULL
;
355 kfree_skb(data
->sco_skb
);
356 data
->sco_skb
= NULL
;
358 spin_unlock_irqrestore(&data
->rxlock
, flags
);
361 static int btusb_recv_intr(struct btusb_data
*data
, void *buffer
, int count
)
366 spin_lock(&data
->rxlock
);
373 skb
= bt_skb_alloc(HCI_MAX_EVENT_SIZE
, GFP_ATOMIC
);
379 bt_cb(skb
)->pkt_type
= HCI_EVENT_PKT
;
380 bt_cb(skb
)->expect
= HCI_EVENT_HDR_SIZE
;
383 len
= min_t(uint
, bt_cb(skb
)->expect
, count
);
384 memcpy(skb_put(skb
, len
), buffer
, len
);
388 bt_cb(skb
)->expect
-= len
;
390 if (skb
->len
== HCI_EVENT_HDR_SIZE
) {
391 /* Complete event header */
392 bt_cb(skb
)->expect
= hci_event_hdr(skb
)->plen
;
394 if (skb_tailroom(skb
) < bt_cb(skb
)->expect
) {
403 if (bt_cb(skb
)->expect
== 0) {
405 data
->recv_event(data
->hdev
, skb
);
411 spin_unlock(&data
->rxlock
);
416 static int btusb_recv_bulk(struct btusb_data
*data
, void *buffer
, int count
)
421 spin_lock(&data
->rxlock
);
428 skb
= bt_skb_alloc(HCI_MAX_FRAME_SIZE
, GFP_ATOMIC
);
434 bt_cb(skb
)->pkt_type
= HCI_ACLDATA_PKT
;
435 bt_cb(skb
)->expect
= HCI_ACL_HDR_SIZE
;
438 len
= min_t(uint
, bt_cb(skb
)->expect
, count
);
439 memcpy(skb_put(skb
, len
), buffer
, len
);
443 bt_cb(skb
)->expect
-= len
;
445 if (skb
->len
== HCI_ACL_HDR_SIZE
) {
446 __le16 dlen
= hci_acl_hdr(skb
)->dlen
;
448 /* Complete ACL header */
449 bt_cb(skb
)->expect
= __le16_to_cpu(dlen
);
451 if (skb_tailroom(skb
) < bt_cb(skb
)->expect
) {
460 if (bt_cb(skb
)->expect
== 0) {
462 hci_recv_frame(data
->hdev
, skb
);
468 spin_unlock(&data
->rxlock
);
473 static int btusb_recv_isoc(struct btusb_data
*data
, void *buffer
, int count
)
478 spin_lock(&data
->rxlock
);
485 skb
= bt_skb_alloc(HCI_MAX_SCO_SIZE
, GFP_ATOMIC
);
491 bt_cb(skb
)->pkt_type
= HCI_SCODATA_PKT
;
492 bt_cb(skb
)->expect
= HCI_SCO_HDR_SIZE
;
495 len
= min_t(uint
, bt_cb(skb
)->expect
, count
);
496 memcpy(skb_put(skb
, len
), buffer
, len
);
500 bt_cb(skb
)->expect
-= len
;
502 if (skb
->len
== HCI_SCO_HDR_SIZE
) {
503 /* Complete SCO header */
504 bt_cb(skb
)->expect
= hci_sco_hdr(skb
)->dlen
;
506 if (skb_tailroom(skb
) < bt_cb(skb
)->expect
) {
515 if (bt_cb(skb
)->expect
== 0) {
517 hci_recv_frame(data
->hdev
, skb
);
523 spin_unlock(&data
->rxlock
);
528 static void btusb_intr_complete(struct urb
*urb
)
530 struct hci_dev
*hdev
= urb
->context
;
531 struct btusb_data
*data
= hci_get_drvdata(hdev
);
534 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
537 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
540 if (urb
->status
== 0) {
541 hdev
->stat
.byte_rx
+= urb
->actual_length
;
543 if (btusb_recv_intr(data
, urb
->transfer_buffer
,
544 urb
->actual_length
) < 0) {
545 BT_ERR("%s corrupted event packet", hdev
->name
);
548 } else if (urb
->status
== -ENOENT
) {
549 /* Avoid suspend failed when usb_kill_urb */
553 if (!test_bit(BTUSB_INTR_RUNNING
, &data
->flags
))
556 usb_mark_last_busy(data
->udev
);
557 usb_anchor_urb(urb
, &data
->intr_anchor
);
559 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
561 /* -EPERM: urb is being killed;
562 * -ENODEV: device got disconnected */
563 if (err
!= -EPERM
&& err
!= -ENODEV
)
564 BT_ERR("%s urb %p failed to resubmit (%d)",
565 hdev
->name
, urb
, -err
);
566 usb_unanchor_urb(urb
);
570 static int btusb_submit_intr_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
572 struct btusb_data
*data
= hci_get_drvdata(hdev
);
578 BT_DBG("%s", hdev
->name
);
583 urb
= usb_alloc_urb(0, mem_flags
);
587 size
= le16_to_cpu(data
->intr_ep
->wMaxPacketSize
);
589 buf
= kmalloc(size
, mem_flags
);
595 pipe
= usb_rcvintpipe(data
->udev
, data
->intr_ep
->bEndpointAddress
);
597 usb_fill_int_urb(urb
, data
->udev
, pipe
, buf
, size
,
598 btusb_intr_complete
, hdev
, data
->intr_ep
->bInterval
);
600 urb
->transfer_flags
|= URB_FREE_BUFFER
;
602 usb_anchor_urb(urb
, &data
->intr_anchor
);
604 err
= usb_submit_urb(urb
, mem_flags
);
606 if (err
!= -EPERM
&& err
!= -ENODEV
)
607 BT_ERR("%s urb %p submission failed (%d)",
608 hdev
->name
, urb
, -err
);
609 usb_unanchor_urb(urb
);
617 static void btusb_bulk_complete(struct urb
*urb
)
619 struct hci_dev
*hdev
= urb
->context
;
620 struct btusb_data
*data
= hci_get_drvdata(hdev
);
623 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
626 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
629 if (urb
->status
== 0) {
630 hdev
->stat
.byte_rx
+= urb
->actual_length
;
632 if (data
->recv_bulk(data
, urb
->transfer_buffer
,
633 urb
->actual_length
) < 0) {
634 BT_ERR("%s corrupted ACL packet", hdev
->name
);
637 } else if (urb
->status
== -ENOENT
) {
638 /* Avoid suspend failed when usb_kill_urb */
642 if (!test_bit(BTUSB_BULK_RUNNING
, &data
->flags
))
645 usb_anchor_urb(urb
, &data
->bulk_anchor
);
646 usb_mark_last_busy(data
->udev
);
648 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
650 /* -EPERM: urb is being killed;
651 * -ENODEV: device got disconnected */
652 if (err
!= -EPERM
&& err
!= -ENODEV
)
653 BT_ERR("%s urb %p failed to resubmit (%d)",
654 hdev
->name
, urb
, -err
);
655 usb_unanchor_urb(urb
);
659 static int btusb_submit_bulk_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
661 struct btusb_data
*data
= hci_get_drvdata(hdev
);
665 int err
, size
= HCI_MAX_FRAME_SIZE
;
667 BT_DBG("%s", hdev
->name
);
669 if (!data
->bulk_rx_ep
)
672 urb
= usb_alloc_urb(0, mem_flags
);
676 buf
= kmalloc(size
, mem_flags
);
682 pipe
= usb_rcvbulkpipe(data
->udev
, data
->bulk_rx_ep
->bEndpointAddress
);
684 usb_fill_bulk_urb(urb
, data
->udev
, pipe
, buf
, size
,
685 btusb_bulk_complete
, hdev
);
687 urb
->transfer_flags
|= URB_FREE_BUFFER
;
689 usb_mark_last_busy(data
->udev
);
690 usb_anchor_urb(urb
, &data
->bulk_anchor
);
692 err
= usb_submit_urb(urb
, mem_flags
);
694 if (err
!= -EPERM
&& err
!= -ENODEV
)
695 BT_ERR("%s urb %p submission failed (%d)",
696 hdev
->name
, urb
, -err
);
697 usb_unanchor_urb(urb
);
705 static void btusb_isoc_complete(struct urb
*urb
)
707 struct hci_dev
*hdev
= urb
->context
;
708 struct btusb_data
*data
= hci_get_drvdata(hdev
);
711 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
714 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
717 if (urb
->status
== 0) {
718 for (i
= 0; i
< urb
->number_of_packets
; i
++) {
719 unsigned int offset
= urb
->iso_frame_desc
[i
].offset
;
720 unsigned int length
= urb
->iso_frame_desc
[i
].actual_length
;
722 if (urb
->iso_frame_desc
[i
].status
)
725 hdev
->stat
.byte_rx
+= length
;
727 if (btusb_recv_isoc(data
, urb
->transfer_buffer
+ offset
,
729 BT_ERR("%s corrupted SCO packet", hdev
->name
);
733 } else if (urb
->status
== -ENOENT
) {
734 /* Avoid suspend failed when usb_kill_urb */
738 if (!test_bit(BTUSB_ISOC_RUNNING
, &data
->flags
))
741 usb_anchor_urb(urb
, &data
->isoc_anchor
);
743 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
745 /* -EPERM: urb is being killed;
746 * -ENODEV: device got disconnected */
747 if (err
!= -EPERM
&& err
!= -ENODEV
)
748 BT_ERR("%s urb %p failed to resubmit (%d)",
749 hdev
->name
, urb
, -err
);
750 usb_unanchor_urb(urb
);
754 static inline void __fill_isoc_descriptor(struct urb
*urb
, int len
, int mtu
)
758 BT_DBG("len %d mtu %d", len
, mtu
);
760 for (i
= 0; i
< BTUSB_MAX_ISOC_FRAMES
&& len
>= mtu
;
761 i
++, offset
+= mtu
, len
-= mtu
) {
762 urb
->iso_frame_desc
[i
].offset
= offset
;
763 urb
->iso_frame_desc
[i
].length
= mtu
;
766 if (len
&& i
< BTUSB_MAX_ISOC_FRAMES
) {
767 urb
->iso_frame_desc
[i
].offset
= offset
;
768 urb
->iso_frame_desc
[i
].length
= len
;
772 urb
->number_of_packets
= i
;
775 static int btusb_submit_isoc_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
777 struct btusb_data
*data
= hci_get_drvdata(hdev
);
783 BT_DBG("%s", hdev
->name
);
785 if (!data
->isoc_rx_ep
)
788 urb
= usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES
, mem_flags
);
792 size
= le16_to_cpu(data
->isoc_rx_ep
->wMaxPacketSize
) *
793 BTUSB_MAX_ISOC_FRAMES
;
795 buf
= kmalloc(size
, mem_flags
);
801 pipe
= usb_rcvisocpipe(data
->udev
, data
->isoc_rx_ep
->bEndpointAddress
);
803 usb_fill_int_urb(urb
, data
->udev
, pipe
, buf
, size
, btusb_isoc_complete
,
804 hdev
, data
->isoc_rx_ep
->bInterval
);
806 urb
->transfer_flags
= URB_FREE_BUFFER
| URB_ISO_ASAP
;
808 __fill_isoc_descriptor(urb
, size
,
809 le16_to_cpu(data
->isoc_rx_ep
->wMaxPacketSize
));
811 usb_anchor_urb(urb
, &data
->isoc_anchor
);
813 err
= usb_submit_urb(urb
, mem_flags
);
815 if (err
!= -EPERM
&& err
!= -ENODEV
)
816 BT_ERR("%s urb %p submission failed (%d)",
817 hdev
->name
, urb
, -err
);
818 usb_unanchor_urb(urb
);
826 static void btusb_tx_complete(struct urb
*urb
)
828 struct sk_buff
*skb
= urb
->context
;
829 struct hci_dev
*hdev
= (struct hci_dev
*)skb
->dev
;
830 struct btusb_data
*data
= hci_get_drvdata(hdev
);
832 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
835 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
839 hdev
->stat
.byte_tx
+= urb
->transfer_buffer_length
;
844 spin_lock(&data
->txlock
);
845 data
->tx_in_flight
--;
846 spin_unlock(&data
->txlock
);
848 kfree(urb
->setup_packet
);
853 static void btusb_isoc_tx_complete(struct urb
*urb
)
855 struct sk_buff
*skb
= urb
->context
;
856 struct hci_dev
*hdev
= (struct hci_dev
*)skb
->dev
;
858 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
861 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
865 hdev
->stat
.byte_tx
+= urb
->transfer_buffer_length
;
870 kfree(urb
->setup_packet
);
875 static int btusb_open(struct hci_dev
*hdev
)
877 struct btusb_data
*data
= hci_get_drvdata(hdev
);
880 BT_DBG("%s", hdev
->name
);
882 err
= usb_autopm_get_interface(data
->intf
);
886 data
->intf
->needs_remote_wakeup
= 1;
888 if (test_and_set_bit(HCI_RUNNING
, &hdev
->flags
))
891 if (test_and_set_bit(BTUSB_INTR_RUNNING
, &data
->flags
))
894 err
= btusb_submit_intr_urb(hdev
, GFP_KERNEL
);
898 err
= btusb_submit_bulk_urb(hdev
, GFP_KERNEL
);
900 usb_kill_anchored_urbs(&data
->intr_anchor
);
904 set_bit(BTUSB_BULK_RUNNING
, &data
->flags
);
905 btusb_submit_bulk_urb(hdev
, GFP_KERNEL
);
908 usb_autopm_put_interface(data
->intf
);
912 clear_bit(BTUSB_INTR_RUNNING
, &data
->flags
);
913 clear_bit(HCI_RUNNING
, &hdev
->flags
);
914 usb_autopm_put_interface(data
->intf
);
918 static void btusb_stop_traffic(struct btusb_data
*data
)
920 usb_kill_anchored_urbs(&data
->intr_anchor
);
921 usb_kill_anchored_urbs(&data
->bulk_anchor
);
922 usb_kill_anchored_urbs(&data
->isoc_anchor
);
925 static int btusb_close(struct hci_dev
*hdev
)
927 struct btusb_data
*data
= hci_get_drvdata(hdev
);
930 BT_DBG("%s", hdev
->name
);
932 if (!test_and_clear_bit(HCI_RUNNING
, &hdev
->flags
))
935 cancel_work_sync(&data
->work
);
936 cancel_work_sync(&data
->waker
);
938 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
939 clear_bit(BTUSB_BULK_RUNNING
, &data
->flags
);
940 clear_bit(BTUSB_INTR_RUNNING
, &data
->flags
);
942 btusb_stop_traffic(data
);
943 btusb_free_frags(data
);
945 err
= usb_autopm_get_interface(data
->intf
);
949 data
->intf
->needs_remote_wakeup
= 0;
950 usb_autopm_put_interface(data
->intf
);
953 usb_scuttle_anchored_urbs(&data
->deferred
);
957 static int btusb_flush(struct hci_dev
*hdev
)
959 struct btusb_data
*data
= hci_get_drvdata(hdev
);
961 BT_DBG("%s", hdev
->name
);
963 usb_kill_anchored_urbs(&data
->tx_anchor
);
964 btusb_free_frags(data
);
969 static struct urb
*alloc_ctrl_urb(struct hci_dev
*hdev
, struct sk_buff
*skb
)
971 struct btusb_data
*data
= hci_get_drvdata(hdev
);
972 struct usb_ctrlrequest
*dr
;
976 urb
= usb_alloc_urb(0, GFP_KERNEL
);
978 return ERR_PTR(-ENOMEM
);
980 dr
= kmalloc(sizeof(*dr
), GFP_KERNEL
);
983 return ERR_PTR(-ENOMEM
);
986 dr
->bRequestType
= data
->cmdreq_type
;
987 dr
->bRequest
= data
->cmdreq
;
990 dr
->wLength
= __cpu_to_le16(skb
->len
);
992 pipe
= usb_sndctrlpipe(data
->udev
, 0x00);
994 usb_fill_control_urb(urb
, data
->udev
, pipe
, (void *)dr
,
995 skb
->data
, skb
->len
, btusb_tx_complete
, skb
);
997 skb
->dev
= (void *)hdev
;
1002 static struct urb
*alloc_bulk_urb(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1004 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1008 if (!data
->bulk_tx_ep
)
1009 return ERR_PTR(-ENODEV
);
1011 urb
= usb_alloc_urb(0, GFP_KERNEL
);
1013 return ERR_PTR(-ENOMEM
);
1015 pipe
= usb_sndbulkpipe(data
->udev
, data
->bulk_tx_ep
->bEndpointAddress
);
1017 usb_fill_bulk_urb(urb
, data
->udev
, pipe
,
1018 skb
->data
, skb
->len
, btusb_tx_complete
, skb
);
1020 skb
->dev
= (void *)hdev
;
1025 static struct urb
*alloc_isoc_urb(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1027 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1031 if (!data
->isoc_tx_ep
)
1032 return ERR_PTR(-ENODEV
);
1034 urb
= usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES
, GFP_KERNEL
);
1036 return ERR_PTR(-ENOMEM
);
1038 pipe
= usb_sndisocpipe(data
->udev
, data
->isoc_tx_ep
->bEndpointAddress
);
1040 usb_fill_int_urb(urb
, data
->udev
, pipe
,
1041 skb
->data
, skb
->len
, btusb_isoc_tx_complete
,
1042 skb
, data
->isoc_tx_ep
->bInterval
);
1044 urb
->transfer_flags
= URB_ISO_ASAP
;
1046 __fill_isoc_descriptor(urb
, skb
->len
,
1047 le16_to_cpu(data
->isoc_tx_ep
->wMaxPacketSize
));
1049 skb
->dev
= (void *)hdev
;
1054 static int submit_tx_urb(struct hci_dev
*hdev
, struct urb
*urb
)
1056 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1059 usb_anchor_urb(urb
, &data
->tx_anchor
);
1061 err
= usb_submit_urb(urb
, GFP_KERNEL
);
1063 if (err
!= -EPERM
&& err
!= -ENODEV
)
1064 BT_ERR("%s urb %p submission failed (%d)",
1065 hdev
->name
, urb
, -err
);
1066 kfree(urb
->setup_packet
);
1067 usb_unanchor_urb(urb
);
1069 usb_mark_last_busy(data
->udev
);
1076 static int submit_or_queue_tx_urb(struct hci_dev
*hdev
, struct urb
*urb
)
1078 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1079 unsigned long flags
;
1082 spin_lock_irqsave(&data
->txlock
, flags
);
1083 suspending
= test_bit(BTUSB_SUSPENDING
, &data
->flags
);
1085 data
->tx_in_flight
++;
1086 spin_unlock_irqrestore(&data
->txlock
, flags
);
1089 return submit_tx_urb(hdev
, urb
);
1091 usb_anchor_urb(urb
, &data
->deferred
);
1092 schedule_work(&data
->waker
);
1098 static int btusb_send_frame(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1102 BT_DBG("%s", hdev
->name
);
1104 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
1107 switch (bt_cb(skb
)->pkt_type
) {
1108 case HCI_COMMAND_PKT
:
1109 urb
= alloc_ctrl_urb(hdev
, skb
);
1111 return PTR_ERR(urb
);
1113 hdev
->stat
.cmd_tx
++;
1114 return submit_or_queue_tx_urb(hdev
, urb
);
1116 case HCI_ACLDATA_PKT
:
1117 urb
= alloc_bulk_urb(hdev
, skb
);
1119 return PTR_ERR(urb
);
1121 hdev
->stat
.acl_tx
++;
1122 return submit_or_queue_tx_urb(hdev
, urb
);
1124 case HCI_SCODATA_PKT
:
1125 if (hci_conn_num(hdev
, SCO_LINK
) < 1)
1128 urb
= alloc_isoc_urb(hdev
, skb
);
1130 return PTR_ERR(urb
);
1132 hdev
->stat
.sco_tx
++;
1133 return submit_tx_urb(hdev
, urb
);
1139 static void btusb_notify(struct hci_dev
*hdev
, unsigned int evt
)
1141 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1143 BT_DBG("%s evt %d", hdev
->name
, evt
);
1145 if (hci_conn_num(hdev
, SCO_LINK
) != data
->sco_num
) {
1146 data
->sco_num
= hci_conn_num(hdev
, SCO_LINK
);
1147 schedule_work(&data
->work
);
1151 static inline int __set_isoc_interface(struct hci_dev
*hdev
, int altsetting
)
1153 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1154 struct usb_interface
*intf
= data
->isoc
;
1155 struct usb_endpoint_descriptor
*ep_desc
;
1161 err
= usb_set_interface(data
->udev
, 1, altsetting
);
1163 BT_ERR("%s setting interface failed (%d)", hdev
->name
, -err
);
1167 data
->isoc_altsetting
= altsetting
;
1169 data
->isoc_tx_ep
= NULL
;
1170 data
->isoc_rx_ep
= NULL
;
1172 for (i
= 0; i
< intf
->cur_altsetting
->desc
.bNumEndpoints
; i
++) {
1173 ep_desc
= &intf
->cur_altsetting
->endpoint
[i
].desc
;
1175 if (!data
->isoc_tx_ep
&& usb_endpoint_is_isoc_out(ep_desc
)) {
1176 data
->isoc_tx_ep
= ep_desc
;
1180 if (!data
->isoc_rx_ep
&& usb_endpoint_is_isoc_in(ep_desc
)) {
1181 data
->isoc_rx_ep
= ep_desc
;
1186 if (!data
->isoc_tx_ep
|| !data
->isoc_rx_ep
) {
1187 BT_ERR("%s invalid SCO descriptors", hdev
->name
);
1194 static void btusb_work(struct work_struct
*work
)
1196 struct btusb_data
*data
= container_of(work
, struct btusb_data
, work
);
1197 struct hci_dev
*hdev
= data
->hdev
;
1201 if (data
->sco_num
> 0) {
1202 if (!test_bit(BTUSB_DID_ISO_RESUME
, &data
->flags
)) {
1203 err
= usb_autopm_get_interface(data
->isoc
? data
->isoc
: data
->intf
);
1205 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1206 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1210 set_bit(BTUSB_DID_ISO_RESUME
, &data
->flags
);
1213 if (hdev
->voice_setting
& 0x0020) {
1214 static const int alts
[3] = { 2, 4, 5 };
1216 new_alts
= alts
[data
->sco_num
- 1];
1218 new_alts
= data
->sco_num
;
1221 if (data
->isoc_altsetting
!= new_alts
) {
1222 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1223 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1225 if (__set_isoc_interface(hdev
, new_alts
) < 0)
1229 if (!test_and_set_bit(BTUSB_ISOC_RUNNING
, &data
->flags
)) {
1230 if (btusb_submit_isoc_urb(hdev
, GFP_KERNEL
) < 0)
1231 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1233 btusb_submit_isoc_urb(hdev
, GFP_KERNEL
);
1236 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1237 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1239 __set_isoc_interface(hdev
, 0);
1240 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME
, &data
->flags
))
1241 usb_autopm_put_interface(data
->isoc
? data
->isoc
: data
->intf
);
1245 static void btusb_waker(struct work_struct
*work
)
1247 struct btusb_data
*data
= container_of(work
, struct btusb_data
, waker
);
1250 err
= usb_autopm_get_interface(data
->intf
);
1254 usb_autopm_put_interface(data
->intf
);
1257 static int btusb_setup_bcm92035(struct hci_dev
*hdev
)
1259 struct sk_buff
*skb
;
1262 BT_DBG("%s", hdev
->name
);
1264 skb
= __hci_cmd_sync(hdev
, 0xfc3b, 1, &val
, HCI_INIT_TIMEOUT
);
1266 BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb
));
1273 static int btusb_setup_csr(struct hci_dev
*hdev
)
1275 struct hci_rp_read_local_version
*rp
;
1276 struct sk_buff
*skb
;
1279 BT_DBG("%s", hdev
->name
);
1281 skb
= __hci_cmd_sync(hdev
, HCI_OP_READ_LOCAL_VERSION
, 0, NULL
,
1284 BT_ERR("Reading local version failed (%ld)", -PTR_ERR(skb
));
1285 return -PTR_ERR(skb
);
1288 rp
= (struct hci_rp_read_local_version
*)skb
->data
;
1291 if (le16_to_cpu(rp
->manufacturer
) != 10) {
1292 /* Clear the reset quirk since this is not an actual
1293 * early Bluetooth 1.1 device from CSR.
1295 clear_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
1297 /* These fake CSR controllers have all a broken
1298 * stored link key handling and so just disable it.
1300 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY
,
1305 ret
= -bt_to_errno(rp
->status
);
1312 struct intel_version
{
1325 struct intel_boot_params
{
1337 bdaddr_t otp_bdaddr
;
1338 __u8 min_fw_build_nn
;
1339 __u8 min_fw_build_cw
;
1340 __u8 min_fw_build_yy
;
1342 __u8 unlocked_state
;
1345 static const struct firmware
*btusb_setup_intel_get_fw(struct hci_dev
*hdev
,
1346 struct intel_version
*ver
)
1348 const struct firmware
*fw
;
1352 snprintf(fwname
, sizeof(fwname
),
1353 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
1354 ver
->hw_platform
, ver
->hw_variant
, ver
->hw_revision
,
1355 ver
->fw_variant
, ver
->fw_revision
, ver
->fw_build_num
,
1356 ver
->fw_build_ww
, ver
->fw_build_yy
);
1358 ret
= request_firmware(&fw
, fwname
, &hdev
->dev
);
1360 if (ret
== -EINVAL
) {
1361 BT_ERR("%s Intel firmware file request failed (%d)",
1366 BT_ERR("%s failed to open Intel firmware file: %s(%d)",
1367 hdev
->name
, fwname
, ret
);
1369 /* If the correct firmware patch file is not found, use the
1370 * default firmware patch file instead
1372 snprintf(fwname
, sizeof(fwname
), "intel/ibt-hw-%x.%x.bseq",
1373 ver
->hw_platform
, ver
->hw_variant
);
1374 if (request_firmware(&fw
, fwname
, &hdev
->dev
) < 0) {
1375 BT_ERR("%s failed to open default Intel fw file: %s",
1376 hdev
->name
, fwname
);
1381 BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev
->name
, fwname
);
1386 static int btusb_setup_intel_patching(struct hci_dev
*hdev
,
1387 const struct firmware
*fw
,
1388 const u8
**fw_ptr
, int *disable_patch
)
1390 struct sk_buff
*skb
;
1391 struct hci_command_hdr
*cmd
;
1392 const u8
*cmd_param
;
1393 struct hci_event_hdr
*evt
= NULL
;
1394 const u8
*evt_param
= NULL
;
1395 int remain
= fw
->size
- (*fw_ptr
- fw
->data
);
1397 /* The first byte indicates the types of the patch command or event.
1398 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
1399 * in the current firmware buffer doesn't start with 0x01 or
1400 * the size of remain buffer is smaller than HCI command header,
1401 * the firmware file is corrupted and it should stop the patching
1404 if (remain
> HCI_COMMAND_HDR_SIZE
&& *fw_ptr
[0] != 0x01) {
1405 BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev
->name
);
1411 cmd
= (struct hci_command_hdr
*)(*fw_ptr
);
1412 *fw_ptr
+= sizeof(*cmd
);
1413 remain
-= sizeof(*cmd
);
1415 /* Ensure that the remain firmware data is long enough than the length
1416 * of command parameter. If not, the firmware file is corrupted.
1418 if (remain
< cmd
->plen
) {
1419 BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev
->name
);
1423 /* If there is a command that loads a patch in the firmware
1424 * file, then enable the patch upon success, otherwise just
1425 * disable the manufacturer mode, for example patch activation
1426 * is not required when the default firmware patch file is used
1427 * because there are no patch data to load.
1429 if (*disable_patch
&& le16_to_cpu(cmd
->opcode
) == 0xfc8e)
1432 cmd_param
= *fw_ptr
;
1433 *fw_ptr
+= cmd
->plen
;
1434 remain
-= cmd
->plen
;
1436 /* This reads the expected events when the above command is sent to the
1437 * device. Some vendor commands expects more than one events, for
1438 * example command status event followed by vendor specific event.
1439 * For this case, it only keeps the last expected event. so the command
1440 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
1441 * last expected event.
1443 while (remain
> HCI_EVENT_HDR_SIZE
&& *fw_ptr
[0] == 0x02) {
1447 evt
= (struct hci_event_hdr
*)(*fw_ptr
);
1448 *fw_ptr
+= sizeof(*evt
);
1449 remain
-= sizeof(*evt
);
1451 if (remain
< evt
->plen
) {
1452 BT_ERR("%s Intel fw corrupted: invalid evt len",
1457 evt_param
= *fw_ptr
;
1458 *fw_ptr
+= evt
->plen
;
1459 remain
-= evt
->plen
;
1462 /* Every HCI commands in the firmware file has its correspond event.
1463 * If event is not found or remain is smaller than zero, the firmware
1464 * file is corrupted.
1466 if (!evt
|| !evt_param
|| remain
< 0) {
1467 BT_ERR("%s Intel fw corrupted: invalid evt read", hdev
->name
);
1471 skb
= __hci_cmd_sync_ev(hdev
, le16_to_cpu(cmd
->opcode
), cmd
->plen
,
1472 cmd_param
, evt
->evt
, HCI_INIT_TIMEOUT
);
1474 BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)",
1475 hdev
->name
, cmd
->opcode
, PTR_ERR(skb
));
1476 return PTR_ERR(skb
);
1479 /* It ensures that the returned event matches the event data read from
1480 * the firmware file. At fist, it checks the length and then
1481 * the contents of the event.
1483 if (skb
->len
!= evt
->plen
) {
1484 BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev
->name
,
1485 le16_to_cpu(cmd
->opcode
));
1490 if (memcmp(skb
->data
, evt_param
, evt
->plen
)) {
1491 BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)",
1492 hdev
->name
, le16_to_cpu(cmd
->opcode
));
1501 #define BDADDR_INTEL (&(bdaddr_t) {{0x00, 0x8b, 0x9e, 0x19, 0x03, 0x00}})
1503 static int btusb_check_bdaddr_intel(struct hci_dev
*hdev
)
1505 struct sk_buff
*skb
;
1506 struct hci_rp_read_bd_addr
*rp
;
1508 skb
= __hci_cmd_sync(hdev
, HCI_OP_READ_BD_ADDR
, 0, NULL
,
1511 BT_ERR("%s reading Intel device address failed (%ld)",
1512 hdev
->name
, PTR_ERR(skb
));
1513 return PTR_ERR(skb
);
1516 if (skb
->len
!= sizeof(*rp
)) {
1517 BT_ERR("%s Intel device address length mismatch", hdev
->name
);
1522 rp
= (struct hci_rp_read_bd_addr
*)skb
->data
;
1524 BT_ERR("%s Intel device address result failed (%02x)",
1525 hdev
->name
, rp
->status
);
1527 return -bt_to_errno(rp
->status
);
1530 /* For some Intel based controllers, the default Bluetooth device
1531 * address 00:03:19:9E:8B:00 can be found. These controllers are
1532 * fully operational, but have the danger of duplicate addresses
1533 * and that in turn can cause problems with Bluetooth operation.
1535 if (!bacmp(&rp
->bdaddr
, BDADDR_INTEL
)) {
1536 BT_ERR("%s found Intel default device address (%pMR)",
1537 hdev
->name
, &rp
->bdaddr
);
1538 set_bit(HCI_QUIRK_INVALID_BDADDR
, &hdev
->quirks
);
1546 static int btusb_setup_intel(struct hci_dev
*hdev
)
1548 struct sk_buff
*skb
;
1549 const struct firmware
*fw
;
1552 struct intel_version
*ver
;
1554 const u8 mfg_enable
[] = { 0x01, 0x00 };
1555 const u8 mfg_disable
[] = { 0x00, 0x00 };
1556 const u8 mfg_reset_deactivate
[] = { 0x00, 0x01 };
1557 const u8 mfg_reset_activate
[] = { 0x00, 0x02 };
1559 BT_DBG("%s", hdev
->name
);
1561 /* The controller has a bug with the first HCI command sent to it
1562 * returning number of completed commands as zero. This would stall the
1563 * command processing in the Bluetooth core.
1565 * As a workaround, send HCI Reset command first which will reset the
1566 * number of completed commands and allow normal command processing
1569 skb
= __hci_cmd_sync(hdev
, HCI_OP_RESET
, 0, NULL
, HCI_INIT_TIMEOUT
);
1571 BT_ERR("%s sending initial HCI reset command failed (%ld)",
1572 hdev
->name
, PTR_ERR(skb
));
1573 return PTR_ERR(skb
);
1577 /* Read Intel specific controller version first to allow selection of
1578 * which firmware file to load.
1580 * The returned information are hardware variant and revision plus
1581 * firmware variant, revision and build number.
1583 skb
= __hci_cmd_sync(hdev
, 0xfc05, 0, NULL
, HCI_INIT_TIMEOUT
);
1585 BT_ERR("%s reading Intel fw version command failed (%ld)",
1586 hdev
->name
, PTR_ERR(skb
));
1587 return PTR_ERR(skb
);
1590 if (skb
->len
!= sizeof(*ver
)) {
1591 BT_ERR("%s Intel version event length mismatch", hdev
->name
);
1596 ver
= (struct intel_version
*)skb
->data
;
1598 BT_ERR("%s Intel fw version event failed (%02x)", hdev
->name
,
1601 return -bt_to_errno(ver
->status
);
1604 BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
1605 hdev
->name
, ver
->hw_platform
, ver
->hw_variant
,
1606 ver
->hw_revision
, ver
->fw_variant
, ver
->fw_revision
,
1607 ver
->fw_build_num
, ver
->fw_build_ww
, ver
->fw_build_yy
,
1610 /* fw_patch_num indicates the version of patch the device currently
1611 * have. If there is no patch data in the device, it is always 0x00.
1612 * So, if it is other than 0x00, no need to patch the deivce again.
1614 if (ver
->fw_patch_num
) {
1615 BT_INFO("%s: Intel device is already patched. patch num: %02x",
1616 hdev
->name
, ver
->fw_patch_num
);
1618 btusb_check_bdaddr_intel(hdev
);
1622 /* Opens the firmware patch file based on the firmware version read
1623 * from the controller. If it fails to open the matching firmware
1624 * patch file, it tries to open the default firmware patch file.
1625 * If no patch file is found, allow the device to operate without
1628 fw
= btusb_setup_intel_get_fw(hdev
, ver
);
1631 btusb_check_bdaddr_intel(hdev
);
1636 /* This Intel specific command enables the manufacturer mode of the
1639 * Only while this mode is enabled, the driver can download the
1640 * firmware patch data and configuration parameters.
1642 skb
= __hci_cmd_sync(hdev
, 0xfc11, 2, mfg_enable
, HCI_INIT_TIMEOUT
);
1644 BT_ERR("%s entering Intel manufacturer mode failed (%ld)",
1645 hdev
->name
, PTR_ERR(skb
));
1646 release_firmware(fw
);
1647 return PTR_ERR(skb
);
1651 u8 evt_status
= skb
->data
[0];
1653 BT_ERR("%s enable Intel manufacturer mode event failed (%02x)",
1654 hdev
->name
, evt_status
);
1656 release_firmware(fw
);
1657 return -bt_to_errno(evt_status
);
1663 /* The firmware data file consists of list of Intel specific HCI
1664 * commands and its expected events. The first byte indicates the
1665 * type of the message, either HCI command or HCI event.
1667 * It reads the command and its expected event from the firmware file,
1668 * and send to the controller. Once __hci_cmd_sync_ev() returns,
1669 * the returned event is compared with the event read from the firmware
1670 * file and it will continue until all the messages are downloaded to
1673 * Once the firmware patching is completed successfully,
1674 * the manufacturer mode is disabled with reset and activating the
1677 * If the firmware patching fails, the manufacturer mode is
1678 * disabled with reset and deactivating the patch.
1680 * If the default patch file is used, no reset is done when disabling
1683 while (fw
->size
> fw_ptr
- fw
->data
) {
1686 ret
= btusb_setup_intel_patching(hdev
, fw
, &fw_ptr
,
1689 goto exit_mfg_deactivate
;
1692 release_firmware(fw
);
1695 goto exit_mfg_disable
;
1697 /* Patching completed successfully and disable the manufacturer mode
1698 * with reset and activate the downloaded firmware patches.
1700 skb
= __hci_cmd_sync(hdev
, 0xfc11, sizeof(mfg_reset_activate
),
1701 mfg_reset_activate
, HCI_INIT_TIMEOUT
);
1703 BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
1704 hdev
->name
, PTR_ERR(skb
));
1705 return PTR_ERR(skb
);
1709 BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
1712 btusb_check_bdaddr_intel(hdev
);
1716 /* Disable the manufacturer mode without reset */
1717 skb
= __hci_cmd_sync(hdev
, 0xfc11, sizeof(mfg_disable
), mfg_disable
,
1720 BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
1721 hdev
->name
, PTR_ERR(skb
));
1722 return PTR_ERR(skb
);
1726 BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev
->name
);
1728 btusb_check_bdaddr_intel(hdev
);
1731 exit_mfg_deactivate
:
1732 release_firmware(fw
);
1734 /* Patching failed. Disable the manufacturer mode with reset and
1735 * deactivate the downloaded firmware patches.
1737 skb
= __hci_cmd_sync(hdev
, 0xfc11, sizeof(mfg_reset_deactivate
),
1738 mfg_reset_deactivate
, HCI_INIT_TIMEOUT
);
1740 BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
1741 hdev
->name
, PTR_ERR(skb
));
1742 return PTR_ERR(skb
);
1746 BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
1749 btusb_check_bdaddr_intel(hdev
);
1753 static int inject_cmd_complete(struct hci_dev
*hdev
, __u16 opcode
)
1755 struct sk_buff
*skb
;
1756 struct hci_event_hdr
*hdr
;
1757 struct hci_ev_cmd_complete
*evt
;
1759 skb
= bt_skb_alloc(sizeof(*hdr
) + sizeof(*evt
) + 1, GFP_ATOMIC
);
1763 hdr
= (struct hci_event_hdr
*)skb_put(skb
, sizeof(*hdr
));
1764 hdr
->evt
= HCI_EV_CMD_COMPLETE
;
1765 hdr
->plen
= sizeof(*evt
) + 1;
1767 evt
= (struct hci_ev_cmd_complete
*)skb_put(skb
, sizeof(*evt
));
1769 evt
->opcode
= cpu_to_le16(opcode
);
1771 *skb_put(skb
, 1) = 0x00;
1773 bt_cb(skb
)->pkt_type
= HCI_EVENT_PKT
;
1775 return hci_recv_frame(hdev
, skb
);
1778 static int btusb_recv_bulk_intel(struct btusb_data
*data
, void *buffer
,
1781 /* When the device is in bootloader mode, then it can send
1782 * events via the bulk endpoint. These events are treated the
1783 * same way as the ones received from the interrupt endpoint.
1785 if (test_bit(BTUSB_BOOTLOADER
, &data
->flags
))
1786 return btusb_recv_intr(data
, buffer
, count
);
1788 return btusb_recv_bulk(data
, buffer
, count
);
1791 static int btusb_recv_event_intel(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1793 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1795 if (test_bit(BTUSB_BOOTLOADER
, &data
->flags
)) {
1796 struct hci_event_hdr
*hdr
= (void *)skb
->data
;
1798 /* When the firmware loading completes the device sends
1799 * out a vendor specific event indicating the result of
1800 * the firmware loading.
1802 if (skb
->len
== 7 && hdr
->evt
== 0xff && hdr
->plen
== 0x05 &&
1803 skb
->data
[2] == 0x06) {
1804 if (skb
->data
[3] != 0x00)
1805 test_bit(BTUSB_FIRMWARE_FAILED
, &data
->flags
);
1807 if (test_and_clear_bit(BTUSB_DOWNLOADING
,
1809 test_bit(BTUSB_FIRMWARE_LOADED
, &data
->flags
)) {
1810 smp_mb__after_atomic();
1811 wake_up_bit(&data
->flags
, BTUSB_DOWNLOADING
);
1815 /* When switching to the operational firmware the device
1816 * sends a vendor specific event indicating that the bootup
1819 if (skb
->len
== 9 && hdr
->evt
== 0xff && hdr
->plen
== 0x07 &&
1820 skb
->data
[2] == 0x02) {
1821 if (test_and_clear_bit(BTUSB_BOOTING
, &data
->flags
)) {
1822 smp_mb__after_atomic();
1823 wake_up_bit(&data
->flags
, BTUSB_BOOTING
);
1828 return hci_recv_frame(hdev
, skb
);
1831 static int btusb_send_frame_intel(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1833 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1836 BT_DBG("%s", hdev
->name
);
1838 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
1841 switch (bt_cb(skb
)->pkt_type
) {
1842 case HCI_COMMAND_PKT
:
1843 if (test_bit(BTUSB_BOOTLOADER
, &data
->flags
)) {
1844 struct hci_command_hdr
*cmd
= (void *)skb
->data
;
1845 __u16 opcode
= le16_to_cpu(cmd
->opcode
);
1847 /* When in bootloader mode and the command 0xfc09
1848 * is received, it needs to be send down the
1849 * bulk endpoint. So allocate a bulk URB instead.
1851 if (opcode
== 0xfc09)
1852 urb
= alloc_bulk_urb(hdev
, skb
);
1854 urb
= alloc_ctrl_urb(hdev
, skb
);
1856 /* When the 0xfc01 command is issued to boot into
1857 * the operational firmware, it will actually not
1858 * send a command complete event. To keep the flow
1859 * control working inject that event here.
1861 if (opcode
== 0xfc01)
1862 inject_cmd_complete(hdev
, opcode
);
1864 urb
= alloc_ctrl_urb(hdev
, skb
);
1867 return PTR_ERR(urb
);
1869 hdev
->stat
.cmd_tx
++;
1870 return submit_or_queue_tx_urb(hdev
, urb
);
1872 case HCI_ACLDATA_PKT
:
1873 urb
= alloc_bulk_urb(hdev
, skb
);
1875 return PTR_ERR(urb
);
1877 hdev
->stat
.acl_tx
++;
1878 return submit_or_queue_tx_urb(hdev
, urb
);
1880 case HCI_SCODATA_PKT
:
1881 if (hci_conn_num(hdev
, SCO_LINK
) < 1)
1884 urb
= alloc_isoc_urb(hdev
, skb
);
1886 return PTR_ERR(urb
);
1888 hdev
->stat
.sco_tx
++;
1889 return submit_tx_urb(hdev
, urb
);
1895 static int btusb_intel_secure_send(struct hci_dev
*hdev
, u8 fragment_type
,
1896 u32 plen
, const void *param
)
1899 struct sk_buff
*skb
;
1900 u8 cmd_param
[253], fragment_len
= (plen
> 252) ? 252 : plen
;
1902 cmd_param
[0] = fragment_type
;
1903 memcpy(cmd_param
+ 1, param
, fragment_len
);
1905 skb
= __hci_cmd_sync(hdev
, 0xfc09, fragment_len
+ 1,
1906 cmd_param
, HCI_INIT_TIMEOUT
);
1908 return PTR_ERR(skb
);
1912 plen
-= fragment_len
;
1913 param
+= fragment_len
;
1919 static void btusb_intel_version_info(struct hci_dev
*hdev
,
1920 struct intel_version
*ver
)
1922 const char *variant
;
1924 switch (ver
->fw_variant
) {
1926 variant
= "Bootloader";
1929 variant
= "Firmware";
1935 BT_INFO("%s: %s revision %u.%u build %u week %u %u", hdev
->name
,
1936 variant
, ver
->fw_revision
>> 4, ver
->fw_revision
& 0x0f,
1937 ver
->fw_build_num
, ver
->fw_build_ww
, 2000 + ver
->fw_build_yy
);
1940 static int btusb_setup_intel_new(struct hci_dev
*hdev
)
1942 static const u8 reset_param
[] = { 0x00, 0x01, 0x00, 0x01,
1943 0x00, 0x08, 0x04, 0x00 };
1944 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1945 struct sk_buff
*skb
;
1946 struct intel_version
*ver
;
1947 struct intel_boot_params
*params
;
1948 const struct firmware
*fw
;
1951 ktime_t calltime
, delta
, rettime
;
1952 unsigned long long duration
;
1955 BT_DBG("%s", hdev
->name
);
1957 calltime
= ktime_get();
1959 /* Read the Intel version information to determine if the device
1960 * is in bootloader mode or if it already has operational firmware
1963 skb
= __hci_cmd_sync(hdev
, 0xfc05, 0, NULL
, HCI_INIT_TIMEOUT
);
1965 BT_ERR("%s: Reading Intel version information failed (%ld)",
1966 hdev
->name
, PTR_ERR(skb
));
1967 return PTR_ERR(skb
);
1970 if (skb
->len
!= sizeof(*ver
)) {
1971 BT_ERR("%s: Intel version event size mismatch", hdev
->name
);
1976 ver
= (struct intel_version
*)skb
->data
;
1978 BT_ERR("%s: Intel version command failure (%02x)",
1979 hdev
->name
, ver
->status
);
1980 err
= -bt_to_errno(ver
->status
);
1985 /* The hardware platform number has a fixed value of 0x37 and
1986 * for now only accept this single value.
1988 if (ver
->hw_platform
!= 0x37) {
1989 BT_ERR("%s: Unsupported Intel hardware platform (%u)",
1990 hdev
->name
, ver
->hw_platform
);
1995 /* At the moment only the hardware variant iBT 3.0 (LnP/SfP) is
1996 * supported by this firmware loading method. This check has been
1997 * put in place to ensure correct forward compatibility options
1998 * when newer hardware variants come along.
2000 if (ver
->hw_variant
!= 0x0b) {
2001 BT_ERR("%s: Unsupported Intel hardware variant (%u)",
2002 hdev
->name
, ver
->hw_variant
);
2007 btusb_intel_version_info(hdev
, ver
);
2009 /* The firmware variant determines if the device is in bootloader
2010 * mode or is running operational firmware. The value 0x06 identifies
2011 * the bootloader and the value 0x23 identifies the operational
2014 * When the operational firmware is already present, then only
2015 * the check for valid Bluetooth device address is needed. This
2016 * determines if the device will be added as configured or
2017 * unconfigured controller.
2019 * It is not possible to use the Secure Boot Parameters in this
2020 * case since that command is only available in bootloader mode.
2022 if (ver
->fw_variant
== 0x23) {
2024 clear_bit(BTUSB_BOOTLOADER
, &data
->flags
);
2025 btusb_check_bdaddr_intel(hdev
);
2029 /* If the device is not in bootloader mode, then the only possible
2030 * choice is to return an error and abort the device initialization.
2032 if (ver
->fw_variant
!= 0x06) {
2033 BT_ERR("%s: Unsupported Intel firmware variant (%u)",
2034 hdev
->name
, ver
->fw_variant
);
2041 /* Read the secure boot parameters to identify the operating
2042 * details of the bootloader.
2044 skb
= __hci_cmd_sync(hdev
, 0xfc0d, 0, NULL
, HCI_INIT_TIMEOUT
);
2046 BT_ERR("%s: Reading Intel boot parameters failed (%ld)",
2047 hdev
->name
, PTR_ERR(skb
));
2048 return PTR_ERR(skb
);
2051 if (skb
->len
!= sizeof(*params
)) {
2052 BT_ERR("%s: Intel boot parameters size mismatch", hdev
->name
);
2057 params
= (struct intel_boot_params
*)skb
->data
;
2058 if (params
->status
) {
2059 BT_ERR("%s: Intel boot parameters command failure (%02x)",
2060 hdev
->name
, params
->status
);
2061 err
= -bt_to_errno(params
->status
);
2066 BT_INFO("%s: Device revision is %u", hdev
->name
,
2067 le16_to_cpu(params
->dev_revid
));
2069 BT_INFO("%s: Secure boot is %s", hdev
->name
,
2070 params
->secure_boot
? "enabled" : "disabled");
2072 BT_INFO("%s: Minimum firmware build %u week %u %u", hdev
->name
,
2073 params
->min_fw_build_nn
, params
->min_fw_build_cw
,
2074 2000 + params
->min_fw_build_yy
);
2076 /* It is required that every single firmware fragment is acknowledged
2077 * with a command complete event. If the boot parameters indicate
2078 * that this bootloader does not send them, then abort the setup.
2080 if (params
->limited_cce
!= 0x00) {
2081 BT_ERR("%s: Unsupported Intel firmware loading method (%u)",
2082 hdev
->name
, params
->limited_cce
);
2087 /* If the OTP has no valid Bluetooth device address, then there will
2088 * also be no valid address for the operational firmware.
2090 if (!bacmp(¶ms
->otp_bdaddr
, BDADDR_ANY
)) {
2091 BT_INFO("%s: No device address configured", hdev
->name
);
2092 set_bit(HCI_QUIRK_INVALID_BDADDR
, &hdev
->quirks
);
2095 /* With this Intel bootloader only the hardware variant and device
2096 * revision information are used to select the right firmware.
2098 * Currently this bootloader support is limited to hardware variant
2099 * iBT 3.0 (LnP/SfP) which is identified by the value 11 (0x0b).
2101 snprintf(fwname
, sizeof(fwname
), "intel/ibt-11-%u.sfi",
2102 le16_to_cpu(params
->dev_revid
));
2104 err
= request_firmware(&fw
, fwname
, &hdev
->dev
);
2106 BT_ERR("%s: Failed to load Intel firmware file (%d)",
2112 BT_INFO("%s: Found device firmware: %s", hdev
->name
, fwname
);
2116 if (fw
->size
< 644) {
2117 BT_ERR("%s: Invalid size of firmware file (%zu)",
2118 hdev
->name
, fw
->size
);
2123 set_bit(BTUSB_DOWNLOADING
, &data
->flags
);
2125 /* Start the firmware download transaction with the Init fragment
2126 * represented by the 128 bytes of CSS header.
2128 err
= btusb_intel_secure_send(hdev
, 0x00, 128, fw
->data
);
2130 BT_ERR("%s: Failed to send firmware header (%d)",
2135 /* Send the 256 bytes of public key information from the firmware
2136 * as the PKey fragment.
2138 err
= btusb_intel_secure_send(hdev
, 0x03, 256, fw
->data
+ 128);
2140 BT_ERR("%s: Failed to send firmware public key (%d)",
2145 /* Send the 256 bytes of signature information from the firmware
2146 * as the Sign fragment.
2148 err
= btusb_intel_secure_send(hdev
, 0x02, 256, fw
->data
+ 388);
2150 BT_ERR("%s: Failed to send firmware signature (%d)",
2155 fw_ptr
= fw
->data
+ 644;
2157 while (fw_ptr
- fw
->data
< fw
->size
) {
2158 struct hci_command_hdr
*cmd
= (void *)fw_ptr
;
2161 cmd_len
= sizeof(*cmd
) + cmd
->plen
;
2163 /* Send each command from the firmware data buffer as
2164 * a single Data fragment.
2166 err
= btusb_intel_secure_send(hdev
, 0x01, cmd_len
, fw_ptr
);
2168 BT_ERR("%s: Failed to send firmware data (%d)",
2176 set_bit(BTUSB_FIRMWARE_LOADED
, &data
->flags
);
2178 BT_INFO("%s: Waiting for firmware download to complete", hdev
->name
);
2180 /* Before switching the device into operational mode and with that
2181 * booting the loaded firmware, wait for the bootloader notification
2182 * that all fragments have been successfully received.
2184 * When the event processing receives the notification, then the
2185 * BTUSB_DOWNLOADING flag will be cleared.
2187 * The firmware loading should not take longer than 5 seconds
2188 * and thus just timeout if that happens and fail the setup
2191 err
= wait_on_bit_timeout(&data
->flags
, BTUSB_DOWNLOADING
,
2193 msecs_to_jiffies(5000));
2195 BT_ERR("%s: Firmware loading interrupted", hdev
->name
);
2201 BT_ERR("%s: Firmware loading timeout", hdev
->name
);
2206 if (test_bit(BTUSB_FIRMWARE_FAILED
, &data
->flags
)) {
2207 BT_ERR("%s: Firmware loading failed", hdev
->name
);
2212 rettime
= ktime_get();
2213 delta
= ktime_sub(rettime
, calltime
);
2214 duration
= (unsigned long long) ktime_to_ns(delta
) >> 10;
2216 BT_INFO("%s: Firmware loaded in %llu usecs", hdev
->name
, duration
);
2219 release_firmware(fw
);
2224 calltime
= ktime_get();
2226 set_bit(BTUSB_BOOTING
, &data
->flags
);
2228 skb
= __hci_cmd_sync(hdev
, 0xfc01, sizeof(reset_param
), reset_param
,
2231 return PTR_ERR(skb
);
2235 /* The bootloader will not indicate when the device is ready. This
2236 * is done by the operational firmware sending bootup notification.
2238 * Booting into operational firmware should not take longer than
2239 * 1 second. However if that happens, then just fail the setup
2240 * since something went wrong.
2242 BT_INFO("%s: Waiting for device to boot", hdev
->name
);
2244 err
= wait_on_bit_timeout(&data
->flags
, BTUSB_BOOTING
,
2246 msecs_to_jiffies(1000));
2249 BT_ERR("%s: Device boot interrupted", hdev
->name
);
2254 BT_ERR("%s: Device boot timeout", hdev
->name
);
2258 rettime
= ktime_get();
2259 delta
= ktime_sub(rettime
, calltime
);
2260 duration
= (unsigned long long) ktime_to_ns(delta
) >> 10;
2262 BT_INFO("%s: Device booted in %llu usecs", hdev
->name
, duration
);
2264 clear_bit(BTUSB_BOOTLOADER
, &data
->flags
);
2269 static void btusb_hw_error_intel(struct hci_dev
*hdev
, u8 code
)
2271 struct sk_buff
*skb
;
2274 BT_ERR("%s: Hardware error 0x%2.2x", hdev
->name
, code
);
2276 skb
= __hci_cmd_sync(hdev
, HCI_OP_RESET
, 0, NULL
, HCI_INIT_TIMEOUT
);
2278 BT_ERR("%s: Reset after hardware error failed (%ld)",
2279 hdev
->name
, PTR_ERR(skb
));
2284 skb
= __hci_cmd_sync(hdev
, 0xfc22, 1, &type
, HCI_INIT_TIMEOUT
);
2286 BT_ERR("%s: Retrieving Intel exception info failed (%ld)",
2287 hdev
->name
, PTR_ERR(skb
));
2291 if (skb
->len
!= 13) {
2292 BT_ERR("%s: Exception info size mismatch", hdev
->name
);
2297 if (skb
->data
[0] != 0x00) {
2298 BT_ERR("%s: Exception info command failure (%02x)",
2299 hdev
->name
, skb
->data
[0]);
2304 BT_ERR("%s: Exception info %s", hdev
->name
, (char *)(skb
->data
+ 1));
2309 static int btusb_set_bdaddr_intel(struct hci_dev
*hdev
, const bdaddr_t
*bdaddr
)
2311 struct sk_buff
*skb
;
2314 skb
= __hci_cmd_sync(hdev
, 0xfc31, 6, bdaddr
, HCI_INIT_TIMEOUT
);
2317 BT_ERR("%s: changing Intel device address failed (%ld)",
2326 static int btusb_shutdown_intel(struct hci_dev
*hdev
)
2328 struct sk_buff
*skb
;
2331 /* Some platforms have an issue with BT LED when the interface is
2332 * down or BT radio is turned off, which takes 5 seconds to BT LED
2333 * goes off. This command turns off the BT LED immediately.
2335 skb
= __hci_cmd_sync(hdev
, 0xfc3f, 0, NULL
, HCI_INIT_TIMEOUT
);
2338 BT_ERR("%s: turning off Intel device LED failed (%ld)",
2347 static int btusb_set_bdaddr_marvell(struct hci_dev
*hdev
,
2348 const bdaddr_t
*bdaddr
)
2350 struct sk_buff
*skb
;
2355 buf
[1] = sizeof(bdaddr_t
);
2356 memcpy(buf
+ 2, bdaddr
, sizeof(bdaddr_t
));
2358 skb
= __hci_cmd_sync(hdev
, 0xfc22, sizeof(buf
), buf
, HCI_INIT_TIMEOUT
);
2361 BT_ERR("%s: changing Marvell device address failed (%ld)",
2370 static const struct {
2373 } bcm_subver_table
[] = {
2374 { 0x210b, "BCM43142A0" }, /* 001.001.011 */
2375 { 0x2112, "BCM4314A0" }, /* 001.001.018 */
2376 { 0x2118, "BCM20702A0" }, /* 001.001.024 */
2377 { 0x2126, "BCM4335A0" }, /* 001.001.038 */
2378 { 0x220e, "BCM20702A1" }, /* 001.002.014 */
2379 { 0x230f, "BCM4354A2" }, /* 001.003.015 */
2380 { 0x4106, "BCM4335B0" }, /* 002.001.006 */
2381 { 0x410e, "BCM20702B0" }, /* 002.001.014 */
2382 { 0x6109, "BCM4335C0" }, /* 003.001.009 */
2383 { 0x610c, "BCM4354" }, /* 003.001.012 */
2387 #define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}})
2389 static int btusb_setup_bcm_patchram(struct hci_dev
*hdev
)
2391 struct btusb_data
*data
= hci_get_drvdata(hdev
);
2392 struct usb_device
*udev
= data
->udev
;
2394 const struct firmware
*fw
;
2397 const struct hci_command_hdr
*cmd
;
2398 const u8
*cmd_param
;
2399 u16 opcode
, subver
, rev
;
2400 const char *hw_name
= NULL
;
2401 struct sk_buff
*skb
;
2402 struct hci_rp_read_local_version
*ver
;
2403 struct hci_rp_read_bd_addr
*bda
;
2408 skb
= __hci_cmd_sync(hdev
, HCI_OP_RESET
, 0, NULL
, HCI_INIT_TIMEOUT
);
2411 BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev
->name
, ret
);
2416 /* Read Local Version Info */
2417 skb
= __hci_cmd_sync(hdev
, HCI_OP_READ_LOCAL_VERSION
, 0, NULL
,
2421 BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)",
2426 if (skb
->len
!= sizeof(*ver
)) {
2427 BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch",
2433 ver
= (struct hci_rp_read_local_version
*)skb
->data
;
2434 rev
= le16_to_cpu(ver
->hci_rev
);
2435 subver
= le16_to_cpu(ver
->lmp_subver
);
2438 for (i
= 0; bcm_subver_table
[i
].name
; i
++) {
2439 if (subver
== bcm_subver_table
[i
].subver
) {
2440 hw_name
= bcm_subver_table
[i
].name
;
2445 BT_INFO("%s: %s (%3.3u.%3.3u.%3.3u) build %4.4u", hdev
->name
,
2446 hw_name
? : "BCM", (subver
& 0x7000) >> 13,
2447 (subver
& 0x1f00) >> 8, (subver
& 0x00ff), rev
& 0x0fff);
2449 snprintf(fw_name
, sizeof(fw_name
), "brcm/%s-%4.4x-%4.4x.hcd",
2451 le16_to_cpu(udev
->descriptor
.idVendor
),
2452 le16_to_cpu(udev
->descriptor
.idProduct
));
2454 ret
= request_firmware(&fw
, fw_name
, &hdev
->dev
);
2456 BT_INFO("%s: BCM: patch %s not found", hdev
->name
, fw_name
);
2460 /* Start Download */
2461 skb
= __hci_cmd_sync(hdev
, 0xfc2e, 0, NULL
, HCI_INIT_TIMEOUT
);
2464 BT_ERR("%s: BCM: Download Minidrv command failed (%ld)",
2470 /* 50 msec delay after Download Minidrv completes */
2476 while (fw_size
>= sizeof(*cmd
)) {
2477 cmd
= (struct hci_command_hdr
*)fw_ptr
;
2478 fw_ptr
+= sizeof(*cmd
);
2479 fw_size
-= sizeof(*cmd
);
2481 if (fw_size
< cmd
->plen
) {
2482 BT_ERR("%s: BCM: patch %s is corrupted",
2483 hdev
->name
, fw_name
);
2489 fw_ptr
+= cmd
->plen
;
2490 fw_size
-= cmd
->plen
;
2492 opcode
= le16_to_cpu(cmd
->opcode
);
2494 skb
= __hci_cmd_sync(hdev
, opcode
, cmd
->plen
, cmd_param
,
2498 BT_ERR("%s: BCM: patch command %04x failed (%ld)",
2499 hdev
->name
, opcode
, ret
);
2505 /* 250 msec delay after Launch Ram completes */
2510 skb
= __hci_cmd_sync(hdev
, HCI_OP_RESET
, 0, NULL
, HCI_INIT_TIMEOUT
);
2513 BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev
->name
, ret
);
2518 /* Read Local Version Info */
2519 skb
= __hci_cmd_sync(hdev
, HCI_OP_READ_LOCAL_VERSION
, 0, NULL
,
2523 BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)",
2528 if (skb
->len
!= sizeof(*ver
)) {
2529 BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch",
2536 ver
= (struct hci_rp_read_local_version
*)skb
->data
;
2537 rev
= le16_to_cpu(ver
->hci_rev
);
2538 subver
= le16_to_cpu(ver
->lmp_subver
);
2541 BT_INFO("%s: %s (%3.3u.%3.3u.%3.3u) build %4.4u", hdev
->name
,
2542 hw_name
? : "BCM", (subver
& 0x7000) >> 13,
2543 (subver
& 0x1f00) >> 8, (subver
& 0x00ff), rev
& 0x0fff);
2545 /* Read BD Address */
2546 skb
= __hci_cmd_sync(hdev
, HCI_OP_READ_BD_ADDR
, 0, NULL
,
2550 BT_ERR("%s: HCI_OP_READ_BD_ADDR failed (%ld)",
2555 if (skb
->len
!= sizeof(*bda
)) {
2556 BT_ERR("%s: HCI_OP_READ_BD_ADDR event length mismatch",
2563 bda
= (struct hci_rp_read_bd_addr
*)skb
->data
;
2565 BT_ERR("%s: HCI_OP_READ_BD_ADDR error status (%02x)",
2566 hdev
->name
, bda
->status
);
2568 ret
= -bt_to_errno(bda
->status
);
2572 /* The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller
2573 * with no configured address.
2575 if (!bacmp(&bda
->bdaddr
, BDADDR_BCM20702A0
)) {
2576 BT_INFO("%s: BCM: using default device address (%pMR)",
2577 hdev
->name
, &bda
->bdaddr
);
2578 set_bit(HCI_QUIRK_INVALID_BDADDR
, &hdev
->quirks
);
2584 release_firmware(fw
);
2589 static int btusb_set_bdaddr_bcm(struct hci_dev
*hdev
, const bdaddr_t
*bdaddr
)
2591 struct sk_buff
*skb
;
2594 skb
= __hci_cmd_sync(hdev
, 0xfc01, 6, bdaddr
, HCI_INIT_TIMEOUT
);
2597 BT_ERR("%s: BCM: Change address command failed (%ld)",
2606 static int btusb_set_bdaddr_ath3012(struct hci_dev
*hdev
,
2607 const bdaddr_t
*bdaddr
)
2609 struct sk_buff
*skb
;
2616 buf
[3] = sizeof(bdaddr_t
);
2617 memcpy(buf
+ 4, bdaddr
, sizeof(bdaddr_t
));
2619 skb
= __hci_cmd_sync(hdev
, 0xfc0b, sizeof(buf
), buf
, HCI_INIT_TIMEOUT
);
2622 BT_ERR("%s: Change address command failed (%ld)",
2631 static int btusb_probe(struct usb_interface
*intf
,
2632 const struct usb_device_id
*id
)
2634 struct usb_endpoint_descriptor
*ep_desc
;
2635 struct btusb_data
*data
;
2636 struct hci_dev
*hdev
;
2639 BT_DBG("intf %p id %p", intf
, id
);
2641 /* interface numbers are hardcoded in the spec */
2642 if (intf
->cur_altsetting
->desc
.bInterfaceNumber
!= 0)
2645 if (!id
->driver_info
) {
2646 const struct usb_device_id
*match
;
2648 match
= usb_match_id(intf
, blacklist_table
);
2653 if (id
->driver_info
== BTUSB_IGNORE
)
2656 if (id
->driver_info
& BTUSB_ATH3012
) {
2657 struct usb_device
*udev
= interface_to_usbdev(intf
);
2659 /* Old firmware would otherwise let ath3k driver load
2660 * patch and sysconfig files */
2661 if (le16_to_cpu(udev
->descriptor
.bcdDevice
) <= 0x0001)
2665 data
= devm_kzalloc(&intf
->dev
, sizeof(*data
), GFP_KERNEL
);
2669 for (i
= 0; i
< intf
->cur_altsetting
->desc
.bNumEndpoints
; i
++) {
2670 ep_desc
= &intf
->cur_altsetting
->endpoint
[i
].desc
;
2672 if (!data
->intr_ep
&& usb_endpoint_is_int_in(ep_desc
)) {
2673 data
->intr_ep
= ep_desc
;
2677 if (!data
->bulk_tx_ep
&& usb_endpoint_is_bulk_out(ep_desc
)) {
2678 data
->bulk_tx_ep
= ep_desc
;
2682 if (!data
->bulk_rx_ep
&& usb_endpoint_is_bulk_in(ep_desc
)) {
2683 data
->bulk_rx_ep
= ep_desc
;
2688 if (!data
->intr_ep
|| !data
->bulk_tx_ep
|| !data
->bulk_rx_ep
)
2691 if (id
->driver_info
& BTUSB_AMP
) {
2692 data
->cmdreq_type
= USB_TYPE_CLASS
| 0x01;
2693 data
->cmdreq
= 0x2b;
2695 data
->cmdreq_type
= USB_TYPE_CLASS
;
2696 data
->cmdreq
= 0x00;
2699 data
->udev
= interface_to_usbdev(intf
);
2702 INIT_WORK(&data
->work
, btusb_work
);
2703 INIT_WORK(&data
->waker
, btusb_waker
);
2704 init_usb_anchor(&data
->deferred
);
2705 init_usb_anchor(&data
->tx_anchor
);
2706 spin_lock_init(&data
->txlock
);
2708 init_usb_anchor(&data
->intr_anchor
);
2709 init_usb_anchor(&data
->bulk_anchor
);
2710 init_usb_anchor(&data
->isoc_anchor
);
2711 spin_lock_init(&data
->rxlock
);
2713 if (id
->driver_info
& BTUSB_INTEL_NEW
) {
2714 data
->recv_event
= btusb_recv_event_intel
;
2715 data
->recv_bulk
= btusb_recv_bulk_intel
;
2716 set_bit(BTUSB_BOOTLOADER
, &data
->flags
);
2718 data
->recv_event
= hci_recv_frame
;
2719 data
->recv_bulk
= btusb_recv_bulk
;
2722 hdev
= hci_alloc_dev();
2726 hdev
->bus
= HCI_USB
;
2727 hci_set_drvdata(hdev
, data
);
2729 if (id
->driver_info
& BTUSB_AMP
)
2730 hdev
->dev_type
= HCI_AMP
;
2732 hdev
->dev_type
= HCI_BREDR
;
2736 SET_HCIDEV_DEV(hdev
, &intf
->dev
);
2738 hdev
->open
= btusb_open
;
2739 hdev
->close
= btusb_close
;
2740 hdev
->flush
= btusb_flush
;
2741 hdev
->send
= btusb_send_frame
;
2742 hdev
->notify
= btusb_notify
;
2744 if (id
->driver_info
& BTUSB_BCM92035
)
2745 hdev
->setup
= btusb_setup_bcm92035
;
2747 if (id
->driver_info
& BTUSB_BCM_PATCHRAM
) {
2748 hdev
->setup
= btusb_setup_bcm_patchram
;
2749 hdev
->set_bdaddr
= btusb_set_bdaddr_bcm
;
2750 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
2753 if (id
->driver_info
& BTUSB_INTEL
) {
2754 hdev
->setup
= btusb_setup_intel
;
2755 hdev
->shutdown
= btusb_shutdown_intel
;
2756 hdev
->set_bdaddr
= btusb_set_bdaddr_intel
;
2757 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
2760 if (id
->driver_info
& BTUSB_INTEL_NEW
) {
2761 hdev
->send
= btusb_send_frame_intel
;
2762 hdev
->setup
= btusb_setup_intel_new
;
2763 hdev
->hw_error
= btusb_hw_error_intel
;
2764 hdev
->set_bdaddr
= btusb_set_bdaddr_intel
;
2765 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
2768 if (id
->driver_info
& BTUSB_MARVELL
)
2769 hdev
->set_bdaddr
= btusb_set_bdaddr_marvell
;
2771 if (id
->driver_info
& BTUSB_SWAVE
) {
2772 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE
, &hdev
->quirks
);
2773 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS
, &hdev
->quirks
);
2776 if (id
->driver_info
& BTUSB_INTEL_BOOT
)
2777 set_bit(HCI_QUIRK_RAW_DEVICE
, &hdev
->quirks
);
2779 if (id
->driver_info
& BTUSB_ATH3012
) {
2780 hdev
->set_bdaddr
= btusb_set_bdaddr_ath3012
;
2781 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
2784 if (id
->driver_info
& BTUSB_AMP
) {
2785 /* AMP controllers do not support SCO packets */
2788 /* Interface numbers are hardcoded in the specification */
2789 data
->isoc
= usb_ifnum_to_if(data
->udev
, 1);
2793 set_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
2795 if (force_scofix
|| id
->driver_info
& BTUSB_WRONG_SCO_MTU
) {
2796 if (!disable_scofix
)
2797 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE
, &hdev
->quirks
);
2800 if (id
->driver_info
& BTUSB_BROKEN_ISOC
)
2803 if (id
->driver_info
& BTUSB_DIGIANSWER
) {
2804 data
->cmdreq_type
= USB_TYPE_VENDOR
;
2805 set_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
2808 if (id
->driver_info
& BTUSB_CSR
) {
2809 struct usb_device
*udev
= data
->udev
;
2810 u16 bcdDevice
= le16_to_cpu(udev
->descriptor
.bcdDevice
);
2812 /* Old firmware would otherwise execute USB reset */
2813 if (bcdDevice
< 0x117)
2814 set_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
2816 /* Fake CSR devices with broken commands */
2817 if (bcdDevice
<= 0x100)
2818 hdev
->setup
= btusb_setup_csr
;
2821 if (id
->driver_info
& BTUSB_SNIFFER
) {
2822 struct usb_device
*udev
= data
->udev
;
2824 /* New sniffer firmware has crippled HCI interface */
2825 if (le16_to_cpu(udev
->descriptor
.bcdDevice
) > 0x997)
2826 set_bit(HCI_QUIRK_RAW_DEVICE
, &hdev
->quirks
);
2829 if (id
->driver_info
& BTUSB_INTEL_BOOT
) {
2830 /* A bug in the bootloader causes that interrupt interface is
2831 * only enabled after receiving SetInterface(0, AltSetting=0).
2833 err
= usb_set_interface(data
->udev
, 0, 0);
2835 BT_ERR("failed to set interface 0, alt 0 %d", err
);
2842 err
= usb_driver_claim_interface(&btusb_driver
,
2850 err
= hci_register_dev(hdev
);
2856 usb_set_intfdata(intf
, data
);
2861 static void btusb_disconnect(struct usb_interface
*intf
)
2863 struct btusb_data
*data
= usb_get_intfdata(intf
);
2864 struct hci_dev
*hdev
;
2866 BT_DBG("intf %p", intf
);
2872 usb_set_intfdata(data
->intf
, NULL
);
2875 usb_set_intfdata(data
->isoc
, NULL
);
2877 hci_unregister_dev(hdev
);
2879 if (intf
== data
->isoc
)
2880 usb_driver_release_interface(&btusb_driver
, data
->intf
);
2881 else if (data
->isoc
)
2882 usb_driver_release_interface(&btusb_driver
, data
->isoc
);
2888 static int btusb_suspend(struct usb_interface
*intf
, pm_message_t message
)
2890 struct btusb_data
*data
= usb_get_intfdata(intf
);
2892 BT_DBG("intf %p", intf
);
2894 if (data
->suspend_count
++)
2897 spin_lock_irq(&data
->txlock
);
2898 if (!(PMSG_IS_AUTO(message
) && data
->tx_in_flight
)) {
2899 set_bit(BTUSB_SUSPENDING
, &data
->flags
);
2900 spin_unlock_irq(&data
->txlock
);
2902 spin_unlock_irq(&data
->txlock
);
2903 data
->suspend_count
--;
2907 cancel_work_sync(&data
->work
);
2909 btusb_stop_traffic(data
);
2910 usb_kill_anchored_urbs(&data
->tx_anchor
);
2915 static void play_deferred(struct btusb_data
*data
)
2920 while ((urb
= usb_get_from_anchor(&data
->deferred
))) {
2921 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
2925 data
->tx_in_flight
++;
2927 usb_scuttle_anchored_urbs(&data
->deferred
);
2930 static int btusb_resume(struct usb_interface
*intf
)
2932 struct btusb_data
*data
= usb_get_intfdata(intf
);
2933 struct hci_dev
*hdev
= data
->hdev
;
2936 BT_DBG("intf %p", intf
);
2938 if (--data
->suspend_count
)
2941 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
2944 if (test_bit(BTUSB_INTR_RUNNING
, &data
->flags
)) {
2945 err
= btusb_submit_intr_urb(hdev
, GFP_NOIO
);
2947 clear_bit(BTUSB_INTR_RUNNING
, &data
->flags
);
2952 if (test_bit(BTUSB_BULK_RUNNING
, &data
->flags
)) {
2953 err
= btusb_submit_bulk_urb(hdev
, GFP_NOIO
);
2955 clear_bit(BTUSB_BULK_RUNNING
, &data
->flags
);
2959 btusb_submit_bulk_urb(hdev
, GFP_NOIO
);
2962 if (test_bit(BTUSB_ISOC_RUNNING
, &data
->flags
)) {
2963 if (btusb_submit_isoc_urb(hdev
, GFP_NOIO
) < 0)
2964 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
2966 btusb_submit_isoc_urb(hdev
, GFP_NOIO
);
2969 spin_lock_irq(&data
->txlock
);
2970 play_deferred(data
);
2971 clear_bit(BTUSB_SUSPENDING
, &data
->flags
);
2972 spin_unlock_irq(&data
->txlock
);
2973 schedule_work(&data
->work
);
2978 usb_scuttle_anchored_urbs(&data
->deferred
);
2980 spin_lock_irq(&data
->txlock
);
2981 clear_bit(BTUSB_SUSPENDING
, &data
->flags
);
2982 spin_unlock_irq(&data
->txlock
);
2988 static struct usb_driver btusb_driver
= {
2990 .probe
= btusb_probe
,
2991 .disconnect
= btusb_disconnect
,
2993 .suspend
= btusb_suspend
,
2994 .resume
= btusb_resume
,
2996 .id_table
= btusb_table
,
2997 .supports_autosuspend
= 1,
2998 .disable_hub_initiated_lpm
= 1,
3001 module_usb_driver(btusb_driver
);
3003 module_param(disable_scofix
, bool, 0644);
3004 MODULE_PARM_DESC(disable_scofix
, "Disable fixup of wrong SCO buffer size");
3006 module_param(force_scofix
, bool, 0644);
3007 MODULE_PARM_DESC(force_scofix
, "Force fixup of wrong SCO buffers size");
3009 module_param(reset
, bool, 0644);
3010 MODULE_PARM_DESC(reset
, "Send HCI reset command on initialization");
3012 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
3013 MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION
);
3014 MODULE_VERSION(VERSION
);
3015 MODULE_LICENSE("GPL");