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>
27 #include <asm/unaligned.h>
29 #include <net/bluetooth/bluetooth.h>
30 #include <net/bluetooth/hci_core.h>
38 static bool disable_scofix
;
39 static bool force_scofix
;
41 static bool reset
= 1;
43 static struct usb_driver btusb_driver
;
45 #define BTUSB_IGNORE 0x01
46 #define BTUSB_DIGIANSWER 0x02
47 #define BTUSB_CSR 0x04
48 #define BTUSB_SNIFFER 0x08
49 #define BTUSB_BCM92035 0x10
50 #define BTUSB_BROKEN_ISOC 0x20
51 #define BTUSB_WRONG_SCO_MTU 0x40
52 #define BTUSB_ATH3012 0x80
53 #define BTUSB_INTEL 0x100
54 #define BTUSB_INTEL_BOOT 0x200
55 #define BTUSB_BCM_PATCHRAM 0x400
56 #define BTUSB_MARVELL 0x800
57 #define BTUSB_SWAVE 0x1000
58 #define BTUSB_INTEL_NEW 0x2000
59 #define BTUSB_AMP 0x4000
60 #define BTUSB_QCA_ROME 0x8000
61 #define BTUSB_BCM_APPLE 0x10000
62 #define BTUSB_REALTEK 0x20000
64 static const struct usb_device_id btusb_table
[] = {
65 /* Generic Bluetooth USB device */
66 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
68 /* Generic Bluetooth AMP device */
69 { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info
= BTUSB_AMP
},
71 /* Apple-specific (Broadcom) devices */
72 { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01),
73 .driver_info
= BTUSB_BCM_APPLE
},
75 /* MediaTek MT76x0E */
76 { USB_DEVICE(0x0e8d, 0x763f) },
78 /* Broadcom SoftSailing reporting vendor specific */
79 { USB_DEVICE(0x0a5c, 0x21e1) },
81 /* Apple MacBookPro 7,1 */
82 { USB_DEVICE(0x05ac, 0x8213) },
85 { USB_DEVICE(0x05ac, 0x8215) },
87 /* Apple MacBookPro6,2 */
88 { USB_DEVICE(0x05ac, 0x8218) },
90 /* Apple MacBookAir3,1, MacBookAir3,2 */
91 { USB_DEVICE(0x05ac, 0x821b) },
93 /* Apple MacBookAir4,1 */
94 { USB_DEVICE(0x05ac, 0x821f) },
96 /* Apple MacBookPro8,2 */
97 { USB_DEVICE(0x05ac, 0x821a) },
99 /* Apple MacMini5,1 */
100 { USB_DEVICE(0x05ac, 0x8281) },
102 /* AVM BlueFRITZ! USB v2.0 */
103 { USB_DEVICE(0x057c, 0x3800), .driver_info
= BTUSB_SWAVE
},
105 /* Bluetooth Ultraport Module from IBM */
106 { USB_DEVICE(0x04bf, 0x030a) },
108 /* ALPS Modules with non-standard id */
109 { USB_DEVICE(0x044e, 0x3001) },
110 { USB_DEVICE(0x044e, 0x3002) },
112 /* Ericsson with non-standard id */
113 { USB_DEVICE(0x0bdb, 0x1002) },
115 /* Canyon CN-BTU1 with HID interfaces */
116 { USB_DEVICE(0x0c10, 0x0000) },
118 /* Broadcom BCM20702A0 */
119 { USB_DEVICE(0x413c, 0x8197) },
121 /* Broadcom BCM20702B0 (Dynex/Insignia) */
122 { USB_DEVICE(0x19ff, 0x0239), .driver_info
= BTUSB_BCM_PATCHRAM
},
124 /* Foxconn - Hon Hai */
125 { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
126 .driver_info
= BTUSB_BCM_PATCHRAM
},
128 /* Lite-On Technology - Broadcom based */
129 { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01),
130 .driver_info
= BTUSB_BCM_PATCHRAM
},
132 /* Broadcom devices with vendor specific id */
133 { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01),
134 .driver_info
= BTUSB_BCM_PATCHRAM
},
136 /* ASUSTek Computer - Broadcom based */
137 { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01),
138 .driver_info
= BTUSB_BCM_PATCHRAM
},
140 /* Belkin F8065bf - Broadcom based */
141 { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01),
142 .driver_info
= BTUSB_BCM_PATCHRAM
},
144 /* IMC Networks - Broadcom based */
145 { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01),
146 .driver_info
= BTUSB_BCM_PATCHRAM
},
148 /* Intel Bluetooth USB Bootloader (RAM module) */
149 { USB_DEVICE(0x8087, 0x0a5a),
150 .driver_info
= BTUSB_INTEL_BOOT
| BTUSB_BROKEN_ISOC
},
152 { } /* Terminating entry */
155 MODULE_DEVICE_TABLE(usb
, btusb_table
);
157 static const struct usb_device_id blacklist_table
[] = {
158 /* CSR BlueCore devices */
159 { USB_DEVICE(0x0a12, 0x0001), .driver_info
= BTUSB_CSR
},
161 /* Broadcom BCM2033 without firmware */
162 { USB_DEVICE(0x0a5c, 0x2033), .driver_info
= BTUSB_IGNORE
},
164 /* Atheros 3011 with sflash firmware */
165 { USB_DEVICE(0x0489, 0xe027), .driver_info
= BTUSB_IGNORE
},
166 { USB_DEVICE(0x0489, 0xe03d), .driver_info
= BTUSB_IGNORE
},
167 { USB_DEVICE(0x04f2, 0xaff1), .driver_info
= BTUSB_IGNORE
},
168 { USB_DEVICE(0x0930, 0x0215), .driver_info
= BTUSB_IGNORE
},
169 { USB_DEVICE(0x0cf3, 0x3002), .driver_info
= BTUSB_IGNORE
},
170 { USB_DEVICE(0x0cf3, 0xe019), .driver_info
= BTUSB_IGNORE
},
171 { USB_DEVICE(0x13d3, 0x3304), .driver_info
= BTUSB_IGNORE
},
173 /* Atheros AR9285 Malbec with sflash firmware */
174 { USB_DEVICE(0x03f0, 0x311d), .driver_info
= BTUSB_IGNORE
},
176 /* Atheros 3012 with sflash firmware */
177 { USB_DEVICE(0x0489, 0xe04d), .driver_info
= BTUSB_ATH3012
},
178 { USB_DEVICE(0x0489, 0xe04e), .driver_info
= BTUSB_ATH3012
},
179 { USB_DEVICE(0x0489, 0xe056), .driver_info
= BTUSB_ATH3012
},
180 { USB_DEVICE(0x0489, 0xe057), .driver_info
= BTUSB_ATH3012
},
181 { USB_DEVICE(0x0489, 0xe05f), .driver_info
= BTUSB_ATH3012
},
182 { USB_DEVICE(0x0489, 0xe078), .driver_info
= BTUSB_ATH3012
},
183 { USB_DEVICE(0x04c5, 0x1330), .driver_info
= BTUSB_ATH3012
},
184 { USB_DEVICE(0x04ca, 0x3004), .driver_info
= BTUSB_ATH3012
},
185 { USB_DEVICE(0x04ca, 0x3005), .driver_info
= BTUSB_ATH3012
},
186 { USB_DEVICE(0x04ca, 0x3006), .driver_info
= BTUSB_ATH3012
},
187 { USB_DEVICE(0x04ca, 0x3007), .driver_info
= BTUSB_ATH3012
},
188 { USB_DEVICE(0x04ca, 0x3008), .driver_info
= BTUSB_ATH3012
},
189 { USB_DEVICE(0x04ca, 0x300b), .driver_info
= BTUSB_ATH3012
},
190 { USB_DEVICE(0x04ca, 0x3010), .driver_info
= BTUSB_ATH3012
},
191 { USB_DEVICE(0x0930, 0x0219), .driver_info
= BTUSB_ATH3012
},
192 { USB_DEVICE(0x0930, 0x0220), .driver_info
= BTUSB_ATH3012
},
193 { USB_DEVICE(0x0930, 0x0227), .driver_info
= BTUSB_ATH3012
},
194 { USB_DEVICE(0x0b05, 0x17d0), .driver_info
= BTUSB_ATH3012
},
195 { USB_DEVICE(0x0cf3, 0x0036), .driver_info
= BTUSB_ATH3012
},
196 { USB_DEVICE(0x0cf3, 0x3004), .driver_info
= BTUSB_ATH3012
},
197 { USB_DEVICE(0x0cf3, 0x3008), .driver_info
= BTUSB_ATH3012
},
198 { USB_DEVICE(0x0cf3, 0x311d), .driver_info
= BTUSB_ATH3012
},
199 { USB_DEVICE(0x0cf3, 0x311e), .driver_info
= BTUSB_ATH3012
},
200 { USB_DEVICE(0x0cf3, 0x311f), .driver_info
= BTUSB_ATH3012
},
201 { USB_DEVICE(0x0cf3, 0x3121), .driver_info
= BTUSB_ATH3012
},
202 { USB_DEVICE(0x0cf3, 0x817a), .driver_info
= BTUSB_ATH3012
},
203 { USB_DEVICE(0x0cf3, 0xe003), .driver_info
= BTUSB_ATH3012
},
204 { USB_DEVICE(0x0cf3, 0xe004), .driver_info
= BTUSB_ATH3012
},
205 { USB_DEVICE(0x0cf3, 0xe005), .driver_info
= BTUSB_ATH3012
},
206 { USB_DEVICE(0x13d3, 0x3362), .driver_info
= BTUSB_ATH3012
},
207 { USB_DEVICE(0x13d3, 0x3375), .driver_info
= BTUSB_ATH3012
},
208 { USB_DEVICE(0x13d3, 0x3393), .driver_info
= BTUSB_ATH3012
},
209 { USB_DEVICE(0x13d3, 0x3402), .driver_info
= BTUSB_ATH3012
},
210 { USB_DEVICE(0x13d3, 0x3408), .driver_info
= BTUSB_ATH3012
},
211 { USB_DEVICE(0x13d3, 0x3423), .driver_info
= BTUSB_ATH3012
},
212 { USB_DEVICE(0x13d3, 0x3432), .driver_info
= BTUSB_ATH3012
},
214 /* Atheros AR5BBU12 with sflash firmware */
215 { USB_DEVICE(0x0489, 0xe02c), .driver_info
= BTUSB_IGNORE
},
217 /* Atheros AR5BBU12 with sflash firmware */
218 { USB_DEVICE(0x0489, 0xe036), .driver_info
= BTUSB_ATH3012
},
219 { USB_DEVICE(0x0489, 0xe03c), .driver_info
= BTUSB_ATH3012
},
221 /* QCA ROME chipset */
222 { USB_DEVICE(0x0cf3, 0xe300), .driver_info
= BTUSB_QCA_ROME
},
223 { USB_DEVICE(0x0cf3, 0xe360), .driver_info
= BTUSB_QCA_ROME
},
225 /* Broadcom BCM2035 */
226 { USB_DEVICE(0x0a5c, 0x2009), .driver_info
= BTUSB_BCM92035
},
227 { USB_DEVICE(0x0a5c, 0x200a), .driver_info
= BTUSB_WRONG_SCO_MTU
},
228 { USB_DEVICE(0x0a5c, 0x2035), .driver_info
= BTUSB_WRONG_SCO_MTU
},
230 /* Broadcom BCM2045 */
231 { USB_DEVICE(0x0a5c, 0x2039), .driver_info
= BTUSB_WRONG_SCO_MTU
},
232 { USB_DEVICE(0x0a5c, 0x2101), .driver_info
= BTUSB_WRONG_SCO_MTU
},
234 /* IBM/Lenovo ThinkPad with Broadcom chip */
235 { USB_DEVICE(0x0a5c, 0x201e), .driver_info
= BTUSB_WRONG_SCO_MTU
},
236 { USB_DEVICE(0x0a5c, 0x2110), .driver_info
= BTUSB_WRONG_SCO_MTU
},
238 /* HP laptop with Broadcom chip */
239 { USB_DEVICE(0x03f0, 0x171d), .driver_info
= BTUSB_WRONG_SCO_MTU
},
241 /* Dell laptop with Broadcom chip */
242 { USB_DEVICE(0x413c, 0x8126), .driver_info
= BTUSB_WRONG_SCO_MTU
},
244 /* Dell Wireless 370 and 410 devices */
245 { USB_DEVICE(0x413c, 0x8152), .driver_info
= BTUSB_WRONG_SCO_MTU
},
246 { USB_DEVICE(0x413c, 0x8156), .driver_info
= BTUSB_WRONG_SCO_MTU
},
248 /* Belkin F8T012 and F8T013 devices */
249 { USB_DEVICE(0x050d, 0x0012), .driver_info
= BTUSB_WRONG_SCO_MTU
},
250 { USB_DEVICE(0x050d, 0x0013), .driver_info
= BTUSB_WRONG_SCO_MTU
},
252 /* Asus WL-BTD202 device */
253 { USB_DEVICE(0x0b05, 0x1715), .driver_info
= BTUSB_WRONG_SCO_MTU
},
255 /* Kensington Bluetooth USB adapter */
256 { USB_DEVICE(0x047d, 0x105e), .driver_info
= BTUSB_WRONG_SCO_MTU
},
258 /* RTX Telecom based adapters with buggy SCO support */
259 { USB_DEVICE(0x0400, 0x0807), .driver_info
= BTUSB_BROKEN_ISOC
},
260 { USB_DEVICE(0x0400, 0x080a), .driver_info
= BTUSB_BROKEN_ISOC
},
262 /* CONWISE Technology based adapters with buggy SCO support */
263 { USB_DEVICE(0x0e5e, 0x6622), .driver_info
= BTUSB_BROKEN_ISOC
},
265 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
266 { USB_DEVICE(0x1300, 0x0001), .driver_info
= BTUSB_SWAVE
},
268 /* Digianswer devices */
269 { USB_DEVICE(0x08fd, 0x0001), .driver_info
= BTUSB_DIGIANSWER
},
270 { USB_DEVICE(0x08fd, 0x0002), .driver_info
= BTUSB_IGNORE
},
272 /* CSR BlueCore Bluetooth Sniffer */
273 { USB_DEVICE(0x0a12, 0x0002),
274 .driver_info
= BTUSB_SNIFFER
| BTUSB_BROKEN_ISOC
},
276 /* Frontline ComProbe Bluetooth Sniffer */
277 { USB_DEVICE(0x16d3, 0x0002),
278 .driver_info
= BTUSB_SNIFFER
| BTUSB_BROKEN_ISOC
},
280 /* Marvell Bluetooth devices */
281 { USB_DEVICE(0x1286, 0x2044), .driver_info
= BTUSB_MARVELL
},
282 { USB_DEVICE(0x1286, 0x2046), .driver_info
= BTUSB_MARVELL
},
284 /* Intel Bluetooth devices */
285 { USB_DEVICE(0x8087, 0x07da), .driver_info
= BTUSB_CSR
},
286 { USB_DEVICE(0x8087, 0x07dc), .driver_info
= BTUSB_INTEL
},
287 { USB_DEVICE(0x8087, 0x0a2a), .driver_info
= BTUSB_INTEL
},
288 { USB_DEVICE(0x8087, 0x0a2b), .driver_info
= BTUSB_INTEL_NEW
},
290 /* Other Intel Bluetooth devices */
291 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
292 .driver_info
= BTUSB_IGNORE
},
294 /* Realtek Bluetooth devices */
295 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
296 .driver_info
= BTUSB_REALTEK
},
298 /* Additional Realtek 8723AE Bluetooth devices */
299 { USB_DEVICE(0x0930, 0x021d), .driver_info
= BTUSB_REALTEK
},
300 { USB_DEVICE(0x13d3, 0x3394), .driver_info
= BTUSB_REALTEK
},
302 /* Additional Realtek 8723BE Bluetooth devices */
303 { USB_DEVICE(0x0489, 0xe085), .driver_info
= BTUSB_REALTEK
},
304 { USB_DEVICE(0x0489, 0xe08b), .driver_info
= BTUSB_REALTEK
},
305 { USB_DEVICE(0x13d3, 0x3410), .driver_info
= BTUSB_REALTEK
},
306 { USB_DEVICE(0x13d3, 0x3416), .driver_info
= BTUSB_REALTEK
},
307 { USB_DEVICE(0x13d3, 0x3459), .driver_info
= BTUSB_REALTEK
},
309 /* Additional Realtek 8821AE Bluetooth devices */
310 { USB_DEVICE(0x0b05, 0x17dc), .driver_info
= BTUSB_REALTEK
},
311 { USB_DEVICE(0x13d3, 0x3414), .driver_info
= BTUSB_REALTEK
},
312 { USB_DEVICE(0x13d3, 0x3458), .driver_info
= BTUSB_REALTEK
},
313 { USB_DEVICE(0x13d3, 0x3461), .driver_info
= BTUSB_REALTEK
},
314 { USB_DEVICE(0x13d3, 0x3462), .driver_info
= BTUSB_REALTEK
},
316 { } /* Terminating entry */
319 #define BTUSB_MAX_ISOC_FRAMES 10
321 #define BTUSB_INTR_RUNNING 0
322 #define BTUSB_BULK_RUNNING 1
323 #define BTUSB_ISOC_RUNNING 2
324 #define BTUSB_SUSPENDING 3
325 #define BTUSB_DID_ISO_RESUME 4
326 #define BTUSB_BOOTLOADER 5
327 #define BTUSB_DOWNLOADING 6
328 #define BTUSB_FIRMWARE_LOADED 7
329 #define BTUSB_FIRMWARE_FAILED 8
330 #define BTUSB_BOOTING 9
333 struct hci_dev
*hdev
;
334 struct usb_device
*udev
;
335 struct usb_interface
*intf
;
336 struct usb_interface
*isoc
;
340 struct work_struct work
;
341 struct work_struct waker
;
343 struct usb_anchor deferred
;
344 struct usb_anchor tx_anchor
;
348 struct usb_anchor intr_anchor
;
349 struct usb_anchor bulk_anchor
;
350 struct usb_anchor isoc_anchor
;
353 struct sk_buff
*evt_skb
;
354 struct sk_buff
*acl_skb
;
355 struct sk_buff
*sco_skb
;
357 struct usb_endpoint_descriptor
*intr_ep
;
358 struct usb_endpoint_descriptor
*bulk_tx_ep
;
359 struct usb_endpoint_descriptor
*bulk_rx_ep
;
360 struct usb_endpoint_descriptor
*isoc_tx_ep
;
361 struct usb_endpoint_descriptor
*isoc_rx_ep
;
366 unsigned int sco_num
;
370 int (*recv_event
)(struct hci_dev
*hdev
, struct sk_buff
*skb
);
371 int (*recv_bulk
)(struct btusb_data
*data
, void *buffer
, int count
);
373 int (*setup_on_usb
)(struct hci_dev
*hdev
);
376 static inline void btusb_free_frags(struct btusb_data
*data
)
380 spin_lock_irqsave(&data
->rxlock
, flags
);
382 kfree_skb(data
->evt_skb
);
383 data
->evt_skb
= NULL
;
385 kfree_skb(data
->acl_skb
);
386 data
->acl_skb
= NULL
;
388 kfree_skb(data
->sco_skb
);
389 data
->sco_skb
= NULL
;
391 spin_unlock_irqrestore(&data
->rxlock
, flags
);
394 static int btusb_recv_intr(struct btusb_data
*data
, void *buffer
, int count
)
399 spin_lock(&data
->rxlock
);
406 skb
= bt_skb_alloc(HCI_MAX_EVENT_SIZE
, GFP_ATOMIC
);
412 bt_cb(skb
)->pkt_type
= HCI_EVENT_PKT
;
413 bt_cb(skb
)->expect
= HCI_EVENT_HDR_SIZE
;
416 len
= min_t(uint
, bt_cb(skb
)->expect
, count
);
417 memcpy(skb_put(skb
, len
), buffer
, len
);
421 bt_cb(skb
)->expect
-= len
;
423 if (skb
->len
== HCI_EVENT_HDR_SIZE
) {
424 /* Complete event header */
425 bt_cb(skb
)->expect
= hci_event_hdr(skb
)->plen
;
427 if (skb_tailroom(skb
) < bt_cb(skb
)->expect
) {
436 if (bt_cb(skb
)->expect
== 0) {
438 data
->recv_event(data
->hdev
, skb
);
444 spin_unlock(&data
->rxlock
);
449 static int btusb_recv_bulk(struct btusb_data
*data
, void *buffer
, int count
)
454 spin_lock(&data
->rxlock
);
461 skb
= bt_skb_alloc(HCI_MAX_FRAME_SIZE
, GFP_ATOMIC
);
467 bt_cb(skb
)->pkt_type
= HCI_ACLDATA_PKT
;
468 bt_cb(skb
)->expect
= HCI_ACL_HDR_SIZE
;
471 len
= min_t(uint
, bt_cb(skb
)->expect
, count
);
472 memcpy(skb_put(skb
, len
), buffer
, len
);
476 bt_cb(skb
)->expect
-= len
;
478 if (skb
->len
== HCI_ACL_HDR_SIZE
) {
479 __le16 dlen
= hci_acl_hdr(skb
)->dlen
;
481 /* Complete ACL header */
482 bt_cb(skb
)->expect
= __le16_to_cpu(dlen
);
484 if (skb_tailroom(skb
) < bt_cb(skb
)->expect
) {
493 if (bt_cb(skb
)->expect
== 0) {
495 hci_recv_frame(data
->hdev
, skb
);
501 spin_unlock(&data
->rxlock
);
506 static int btusb_recv_isoc(struct btusb_data
*data
, void *buffer
, int count
)
511 spin_lock(&data
->rxlock
);
518 skb
= bt_skb_alloc(HCI_MAX_SCO_SIZE
, GFP_ATOMIC
);
524 bt_cb(skb
)->pkt_type
= HCI_SCODATA_PKT
;
525 bt_cb(skb
)->expect
= HCI_SCO_HDR_SIZE
;
528 len
= min_t(uint
, bt_cb(skb
)->expect
, count
);
529 memcpy(skb_put(skb
, len
), buffer
, len
);
533 bt_cb(skb
)->expect
-= len
;
535 if (skb
->len
== HCI_SCO_HDR_SIZE
) {
536 /* Complete SCO header */
537 bt_cb(skb
)->expect
= hci_sco_hdr(skb
)->dlen
;
539 if (skb_tailroom(skb
) < bt_cb(skb
)->expect
) {
548 if (bt_cb(skb
)->expect
== 0) {
550 hci_recv_frame(data
->hdev
, skb
);
556 spin_unlock(&data
->rxlock
);
561 static void btusb_intr_complete(struct urb
*urb
)
563 struct hci_dev
*hdev
= urb
->context
;
564 struct btusb_data
*data
= hci_get_drvdata(hdev
);
567 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
570 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
573 if (urb
->status
== 0) {
574 hdev
->stat
.byte_rx
+= urb
->actual_length
;
576 if (btusb_recv_intr(data
, urb
->transfer_buffer
,
577 urb
->actual_length
) < 0) {
578 BT_ERR("%s corrupted event packet", hdev
->name
);
581 } else if (urb
->status
== -ENOENT
) {
582 /* Avoid suspend failed when usb_kill_urb */
586 if (!test_bit(BTUSB_INTR_RUNNING
, &data
->flags
))
589 usb_mark_last_busy(data
->udev
);
590 usb_anchor_urb(urb
, &data
->intr_anchor
);
592 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
594 /* -EPERM: urb is being killed;
595 * -ENODEV: device got disconnected */
596 if (err
!= -EPERM
&& err
!= -ENODEV
)
597 BT_ERR("%s urb %p failed to resubmit (%d)",
598 hdev
->name
, urb
, -err
);
599 usb_unanchor_urb(urb
);
603 static int btusb_submit_intr_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
605 struct btusb_data
*data
= hci_get_drvdata(hdev
);
611 BT_DBG("%s", hdev
->name
);
616 urb
= usb_alloc_urb(0, mem_flags
);
620 size
= le16_to_cpu(data
->intr_ep
->wMaxPacketSize
);
622 buf
= kmalloc(size
, mem_flags
);
628 pipe
= usb_rcvintpipe(data
->udev
, data
->intr_ep
->bEndpointAddress
);
630 usb_fill_int_urb(urb
, data
->udev
, pipe
, buf
, size
,
631 btusb_intr_complete
, hdev
, data
->intr_ep
->bInterval
);
633 urb
->transfer_flags
|= URB_FREE_BUFFER
;
635 usb_anchor_urb(urb
, &data
->intr_anchor
);
637 err
= usb_submit_urb(urb
, mem_flags
);
639 if (err
!= -EPERM
&& err
!= -ENODEV
)
640 BT_ERR("%s urb %p submission failed (%d)",
641 hdev
->name
, urb
, -err
);
642 usb_unanchor_urb(urb
);
650 static void btusb_bulk_complete(struct urb
*urb
)
652 struct hci_dev
*hdev
= urb
->context
;
653 struct btusb_data
*data
= hci_get_drvdata(hdev
);
656 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
659 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
662 if (urb
->status
== 0) {
663 hdev
->stat
.byte_rx
+= urb
->actual_length
;
665 if (data
->recv_bulk(data
, urb
->transfer_buffer
,
666 urb
->actual_length
) < 0) {
667 BT_ERR("%s corrupted ACL packet", hdev
->name
);
670 } else if (urb
->status
== -ENOENT
) {
671 /* Avoid suspend failed when usb_kill_urb */
675 if (!test_bit(BTUSB_BULK_RUNNING
, &data
->flags
))
678 usb_anchor_urb(urb
, &data
->bulk_anchor
);
679 usb_mark_last_busy(data
->udev
);
681 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
683 /* -EPERM: urb is being killed;
684 * -ENODEV: device got disconnected */
685 if (err
!= -EPERM
&& err
!= -ENODEV
)
686 BT_ERR("%s urb %p failed to resubmit (%d)",
687 hdev
->name
, urb
, -err
);
688 usb_unanchor_urb(urb
);
692 static int btusb_submit_bulk_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
694 struct btusb_data
*data
= hci_get_drvdata(hdev
);
698 int err
, size
= HCI_MAX_FRAME_SIZE
;
700 BT_DBG("%s", hdev
->name
);
702 if (!data
->bulk_rx_ep
)
705 urb
= usb_alloc_urb(0, mem_flags
);
709 buf
= kmalloc(size
, mem_flags
);
715 pipe
= usb_rcvbulkpipe(data
->udev
, data
->bulk_rx_ep
->bEndpointAddress
);
717 usb_fill_bulk_urb(urb
, data
->udev
, pipe
, buf
, size
,
718 btusb_bulk_complete
, hdev
);
720 urb
->transfer_flags
|= URB_FREE_BUFFER
;
722 usb_mark_last_busy(data
->udev
);
723 usb_anchor_urb(urb
, &data
->bulk_anchor
);
725 err
= usb_submit_urb(urb
, mem_flags
);
727 if (err
!= -EPERM
&& err
!= -ENODEV
)
728 BT_ERR("%s urb %p submission failed (%d)",
729 hdev
->name
, urb
, -err
);
730 usb_unanchor_urb(urb
);
738 static void btusb_isoc_complete(struct urb
*urb
)
740 struct hci_dev
*hdev
= urb
->context
;
741 struct btusb_data
*data
= hci_get_drvdata(hdev
);
744 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
747 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
750 if (urb
->status
== 0) {
751 for (i
= 0; i
< urb
->number_of_packets
; i
++) {
752 unsigned int offset
= urb
->iso_frame_desc
[i
].offset
;
753 unsigned int length
= urb
->iso_frame_desc
[i
].actual_length
;
755 if (urb
->iso_frame_desc
[i
].status
)
758 hdev
->stat
.byte_rx
+= length
;
760 if (btusb_recv_isoc(data
, urb
->transfer_buffer
+ offset
,
762 BT_ERR("%s corrupted SCO packet", hdev
->name
);
766 } else if (urb
->status
== -ENOENT
) {
767 /* Avoid suspend failed when usb_kill_urb */
771 if (!test_bit(BTUSB_ISOC_RUNNING
, &data
->flags
))
774 usb_anchor_urb(urb
, &data
->isoc_anchor
);
776 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
778 /* -EPERM: urb is being killed;
779 * -ENODEV: device got disconnected */
780 if (err
!= -EPERM
&& err
!= -ENODEV
)
781 BT_ERR("%s urb %p failed to resubmit (%d)",
782 hdev
->name
, urb
, -err
);
783 usb_unanchor_urb(urb
);
787 static inline void __fill_isoc_descriptor(struct urb
*urb
, int len
, int mtu
)
791 BT_DBG("len %d mtu %d", len
, mtu
);
793 for (i
= 0; i
< BTUSB_MAX_ISOC_FRAMES
&& len
>= mtu
;
794 i
++, offset
+= mtu
, len
-= mtu
) {
795 urb
->iso_frame_desc
[i
].offset
= offset
;
796 urb
->iso_frame_desc
[i
].length
= mtu
;
799 if (len
&& i
< BTUSB_MAX_ISOC_FRAMES
) {
800 urb
->iso_frame_desc
[i
].offset
= offset
;
801 urb
->iso_frame_desc
[i
].length
= len
;
805 urb
->number_of_packets
= i
;
808 static int btusb_submit_isoc_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
810 struct btusb_data
*data
= hci_get_drvdata(hdev
);
816 BT_DBG("%s", hdev
->name
);
818 if (!data
->isoc_rx_ep
)
821 urb
= usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES
, mem_flags
);
825 size
= le16_to_cpu(data
->isoc_rx_ep
->wMaxPacketSize
) *
826 BTUSB_MAX_ISOC_FRAMES
;
828 buf
= kmalloc(size
, mem_flags
);
834 pipe
= usb_rcvisocpipe(data
->udev
, data
->isoc_rx_ep
->bEndpointAddress
);
836 usb_fill_int_urb(urb
, data
->udev
, pipe
, buf
, size
, btusb_isoc_complete
,
837 hdev
, data
->isoc_rx_ep
->bInterval
);
839 urb
->transfer_flags
= URB_FREE_BUFFER
| URB_ISO_ASAP
;
841 __fill_isoc_descriptor(urb
, size
,
842 le16_to_cpu(data
->isoc_rx_ep
->wMaxPacketSize
));
844 usb_anchor_urb(urb
, &data
->isoc_anchor
);
846 err
= usb_submit_urb(urb
, mem_flags
);
848 if (err
!= -EPERM
&& err
!= -ENODEV
)
849 BT_ERR("%s urb %p submission failed (%d)",
850 hdev
->name
, urb
, -err
);
851 usb_unanchor_urb(urb
);
859 static void btusb_tx_complete(struct urb
*urb
)
861 struct sk_buff
*skb
= urb
->context
;
862 struct hci_dev
*hdev
= (struct hci_dev
*)skb
->dev
;
863 struct btusb_data
*data
= hci_get_drvdata(hdev
);
865 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
868 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
872 hdev
->stat
.byte_tx
+= urb
->transfer_buffer_length
;
877 spin_lock(&data
->txlock
);
878 data
->tx_in_flight
--;
879 spin_unlock(&data
->txlock
);
881 kfree(urb
->setup_packet
);
886 static void btusb_isoc_tx_complete(struct urb
*urb
)
888 struct sk_buff
*skb
= urb
->context
;
889 struct hci_dev
*hdev
= (struct hci_dev
*)skb
->dev
;
891 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
894 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
898 hdev
->stat
.byte_tx
+= urb
->transfer_buffer_length
;
903 kfree(urb
->setup_packet
);
908 static int btusb_open(struct hci_dev
*hdev
)
910 struct btusb_data
*data
= hci_get_drvdata(hdev
);
913 BT_DBG("%s", hdev
->name
);
915 /* Patching USB firmware files prior to starting any URBs of HCI path
916 * It is more safe to use USB bulk channel for downloading USB patch
918 if (data
->setup_on_usb
) {
919 err
= data
->setup_on_usb(hdev
);
924 err
= usb_autopm_get_interface(data
->intf
);
928 data
->intf
->needs_remote_wakeup
= 1;
930 if (test_and_set_bit(HCI_RUNNING
, &hdev
->flags
))
933 if (test_and_set_bit(BTUSB_INTR_RUNNING
, &data
->flags
))
936 err
= btusb_submit_intr_urb(hdev
, GFP_KERNEL
);
940 err
= btusb_submit_bulk_urb(hdev
, GFP_KERNEL
);
942 usb_kill_anchored_urbs(&data
->intr_anchor
);
946 set_bit(BTUSB_BULK_RUNNING
, &data
->flags
);
947 btusb_submit_bulk_urb(hdev
, GFP_KERNEL
);
950 usb_autopm_put_interface(data
->intf
);
954 clear_bit(BTUSB_INTR_RUNNING
, &data
->flags
);
955 clear_bit(HCI_RUNNING
, &hdev
->flags
);
956 usb_autopm_put_interface(data
->intf
);
960 static void btusb_stop_traffic(struct btusb_data
*data
)
962 usb_kill_anchored_urbs(&data
->intr_anchor
);
963 usb_kill_anchored_urbs(&data
->bulk_anchor
);
964 usb_kill_anchored_urbs(&data
->isoc_anchor
);
967 static int btusb_close(struct hci_dev
*hdev
)
969 struct btusb_data
*data
= hci_get_drvdata(hdev
);
972 BT_DBG("%s", hdev
->name
);
974 if (!test_and_clear_bit(HCI_RUNNING
, &hdev
->flags
))
977 cancel_work_sync(&data
->work
);
978 cancel_work_sync(&data
->waker
);
980 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
981 clear_bit(BTUSB_BULK_RUNNING
, &data
->flags
);
982 clear_bit(BTUSB_INTR_RUNNING
, &data
->flags
);
984 btusb_stop_traffic(data
);
985 btusb_free_frags(data
);
987 err
= usb_autopm_get_interface(data
->intf
);
991 data
->intf
->needs_remote_wakeup
= 0;
992 usb_autopm_put_interface(data
->intf
);
995 usb_scuttle_anchored_urbs(&data
->deferred
);
999 static int btusb_flush(struct hci_dev
*hdev
)
1001 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1003 BT_DBG("%s", hdev
->name
);
1005 usb_kill_anchored_urbs(&data
->tx_anchor
);
1006 btusb_free_frags(data
);
1011 static struct urb
*alloc_ctrl_urb(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1013 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1014 struct usb_ctrlrequest
*dr
;
1018 urb
= usb_alloc_urb(0, GFP_KERNEL
);
1020 return ERR_PTR(-ENOMEM
);
1022 dr
= kmalloc(sizeof(*dr
), GFP_KERNEL
);
1025 return ERR_PTR(-ENOMEM
);
1028 dr
->bRequestType
= data
->cmdreq_type
;
1029 dr
->bRequest
= data
->cmdreq
;
1032 dr
->wLength
= __cpu_to_le16(skb
->len
);
1034 pipe
= usb_sndctrlpipe(data
->udev
, 0x00);
1036 usb_fill_control_urb(urb
, data
->udev
, pipe
, (void *)dr
,
1037 skb
->data
, skb
->len
, btusb_tx_complete
, skb
);
1039 skb
->dev
= (void *)hdev
;
1044 static struct urb
*alloc_bulk_urb(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1046 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1050 if (!data
->bulk_tx_ep
)
1051 return ERR_PTR(-ENODEV
);
1053 urb
= usb_alloc_urb(0, GFP_KERNEL
);
1055 return ERR_PTR(-ENOMEM
);
1057 pipe
= usb_sndbulkpipe(data
->udev
, data
->bulk_tx_ep
->bEndpointAddress
);
1059 usb_fill_bulk_urb(urb
, data
->udev
, pipe
,
1060 skb
->data
, skb
->len
, btusb_tx_complete
, skb
);
1062 skb
->dev
= (void *)hdev
;
1067 static struct urb
*alloc_isoc_urb(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1069 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1073 if (!data
->isoc_tx_ep
)
1074 return ERR_PTR(-ENODEV
);
1076 urb
= usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES
, GFP_KERNEL
);
1078 return ERR_PTR(-ENOMEM
);
1080 pipe
= usb_sndisocpipe(data
->udev
, data
->isoc_tx_ep
->bEndpointAddress
);
1082 usb_fill_int_urb(urb
, data
->udev
, pipe
,
1083 skb
->data
, skb
->len
, btusb_isoc_tx_complete
,
1084 skb
, data
->isoc_tx_ep
->bInterval
);
1086 urb
->transfer_flags
= URB_ISO_ASAP
;
1088 __fill_isoc_descriptor(urb
, skb
->len
,
1089 le16_to_cpu(data
->isoc_tx_ep
->wMaxPacketSize
));
1091 skb
->dev
= (void *)hdev
;
1096 static int submit_tx_urb(struct hci_dev
*hdev
, struct urb
*urb
)
1098 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1101 usb_anchor_urb(urb
, &data
->tx_anchor
);
1103 err
= usb_submit_urb(urb
, GFP_KERNEL
);
1105 if (err
!= -EPERM
&& err
!= -ENODEV
)
1106 BT_ERR("%s urb %p submission failed (%d)",
1107 hdev
->name
, urb
, -err
);
1108 kfree(urb
->setup_packet
);
1109 usb_unanchor_urb(urb
);
1111 usb_mark_last_busy(data
->udev
);
1118 static int submit_or_queue_tx_urb(struct hci_dev
*hdev
, struct urb
*urb
)
1120 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1121 unsigned long flags
;
1124 spin_lock_irqsave(&data
->txlock
, flags
);
1125 suspending
= test_bit(BTUSB_SUSPENDING
, &data
->flags
);
1127 data
->tx_in_flight
++;
1128 spin_unlock_irqrestore(&data
->txlock
, flags
);
1131 return submit_tx_urb(hdev
, urb
);
1133 usb_anchor_urb(urb
, &data
->deferred
);
1134 schedule_work(&data
->waker
);
1140 static int btusb_send_frame(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1144 BT_DBG("%s", hdev
->name
);
1146 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
1149 switch (bt_cb(skb
)->pkt_type
) {
1150 case HCI_COMMAND_PKT
:
1151 urb
= alloc_ctrl_urb(hdev
, skb
);
1153 return PTR_ERR(urb
);
1155 hdev
->stat
.cmd_tx
++;
1156 return submit_or_queue_tx_urb(hdev
, urb
);
1158 case HCI_ACLDATA_PKT
:
1159 urb
= alloc_bulk_urb(hdev
, skb
);
1161 return PTR_ERR(urb
);
1163 hdev
->stat
.acl_tx
++;
1164 return submit_or_queue_tx_urb(hdev
, urb
);
1166 case HCI_SCODATA_PKT
:
1167 if (hci_conn_num(hdev
, SCO_LINK
) < 1)
1170 urb
= alloc_isoc_urb(hdev
, skb
);
1172 return PTR_ERR(urb
);
1174 hdev
->stat
.sco_tx
++;
1175 return submit_tx_urb(hdev
, urb
);
1181 static void btusb_notify(struct hci_dev
*hdev
, unsigned int evt
)
1183 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1185 BT_DBG("%s evt %d", hdev
->name
, evt
);
1187 if (hci_conn_num(hdev
, SCO_LINK
) != data
->sco_num
) {
1188 data
->sco_num
= hci_conn_num(hdev
, SCO_LINK
);
1189 schedule_work(&data
->work
);
1193 static inline int __set_isoc_interface(struct hci_dev
*hdev
, int altsetting
)
1195 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1196 struct usb_interface
*intf
= data
->isoc
;
1197 struct usb_endpoint_descriptor
*ep_desc
;
1203 err
= usb_set_interface(data
->udev
, 1, altsetting
);
1205 BT_ERR("%s setting interface failed (%d)", hdev
->name
, -err
);
1209 data
->isoc_altsetting
= altsetting
;
1211 data
->isoc_tx_ep
= NULL
;
1212 data
->isoc_rx_ep
= NULL
;
1214 for (i
= 0; i
< intf
->cur_altsetting
->desc
.bNumEndpoints
; i
++) {
1215 ep_desc
= &intf
->cur_altsetting
->endpoint
[i
].desc
;
1217 if (!data
->isoc_tx_ep
&& usb_endpoint_is_isoc_out(ep_desc
)) {
1218 data
->isoc_tx_ep
= ep_desc
;
1222 if (!data
->isoc_rx_ep
&& usb_endpoint_is_isoc_in(ep_desc
)) {
1223 data
->isoc_rx_ep
= ep_desc
;
1228 if (!data
->isoc_tx_ep
|| !data
->isoc_rx_ep
) {
1229 BT_ERR("%s invalid SCO descriptors", hdev
->name
);
1236 static void btusb_work(struct work_struct
*work
)
1238 struct btusb_data
*data
= container_of(work
, struct btusb_data
, work
);
1239 struct hci_dev
*hdev
= data
->hdev
;
1243 if (data
->sco_num
> 0) {
1244 if (!test_bit(BTUSB_DID_ISO_RESUME
, &data
->flags
)) {
1245 err
= usb_autopm_get_interface(data
->isoc
? data
->isoc
: data
->intf
);
1247 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1248 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1252 set_bit(BTUSB_DID_ISO_RESUME
, &data
->flags
);
1255 if (hdev
->voice_setting
& 0x0020) {
1256 static const int alts
[3] = { 2, 4, 5 };
1258 new_alts
= alts
[data
->sco_num
- 1];
1260 new_alts
= data
->sco_num
;
1263 if (data
->isoc_altsetting
!= new_alts
) {
1264 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1265 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1267 if (__set_isoc_interface(hdev
, new_alts
) < 0)
1271 if (!test_and_set_bit(BTUSB_ISOC_RUNNING
, &data
->flags
)) {
1272 if (btusb_submit_isoc_urb(hdev
, GFP_KERNEL
) < 0)
1273 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1275 btusb_submit_isoc_urb(hdev
, GFP_KERNEL
);
1278 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1279 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1281 __set_isoc_interface(hdev
, 0);
1282 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME
, &data
->flags
))
1283 usb_autopm_put_interface(data
->isoc
? data
->isoc
: data
->intf
);
1287 static void btusb_waker(struct work_struct
*work
)
1289 struct btusb_data
*data
= container_of(work
, struct btusb_data
, waker
);
1292 err
= usb_autopm_get_interface(data
->intf
);
1296 usb_autopm_put_interface(data
->intf
);
1299 static struct sk_buff
*btusb_read_local_version(struct hci_dev
*hdev
)
1301 struct sk_buff
*skb
;
1303 skb
= __hci_cmd_sync(hdev
, HCI_OP_READ_LOCAL_VERSION
, 0, NULL
,
1306 BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)",
1307 hdev
->name
, PTR_ERR(skb
));
1311 if (skb
->len
!= sizeof(struct hci_rp_read_local_version
)) {
1312 BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch",
1315 return ERR_PTR(-EIO
);
1321 static int btusb_setup_bcm92035(struct hci_dev
*hdev
)
1323 struct sk_buff
*skb
;
1326 BT_DBG("%s", hdev
->name
);
1328 skb
= __hci_cmd_sync(hdev
, 0xfc3b, 1, &val
, HCI_INIT_TIMEOUT
);
1330 BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb
));
1337 static int btusb_setup_csr(struct hci_dev
*hdev
)
1339 struct hci_rp_read_local_version
*rp
;
1340 struct sk_buff
*skb
;
1343 BT_DBG("%s", hdev
->name
);
1345 skb
= btusb_read_local_version(hdev
);
1347 return -PTR_ERR(skb
);
1349 rp
= (struct hci_rp_read_local_version
*)skb
->data
;
1352 if (le16_to_cpu(rp
->manufacturer
) != 10) {
1353 /* Clear the reset quirk since this is not an actual
1354 * early Bluetooth 1.1 device from CSR.
1356 clear_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
1358 /* These fake CSR controllers have all a broken
1359 * stored link key handling and so just disable it.
1361 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY
,
1366 ret
= -bt_to_errno(rp
->status
);
1373 static const struct firmware
*btusb_setup_intel_get_fw(struct hci_dev
*hdev
,
1374 struct intel_version
*ver
)
1376 const struct firmware
*fw
;
1380 snprintf(fwname
, sizeof(fwname
),
1381 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
1382 ver
->hw_platform
, ver
->hw_variant
, ver
->hw_revision
,
1383 ver
->fw_variant
, ver
->fw_revision
, ver
->fw_build_num
,
1384 ver
->fw_build_ww
, ver
->fw_build_yy
);
1386 ret
= request_firmware(&fw
, fwname
, &hdev
->dev
);
1388 if (ret
== -EINVAL
) {
1389 BT_ERR("%s Intel firmware file request failed (%d)",
1394 BT_ERR("%s failed to open Intel firmware file: %s(%d)",
1395 hdev
->name
, fwname
, ret
);
1397 /* If the correct firmware patch file is not found, use the
1398 * default firmware patch file instead
1400 snprintf(fwname
, sizeof(fwname
), "intel/ibt-hw-%x.%x.bseq",
1401 ver
->hw_platform
, ver
->hw_variant
);
1402 if (request_firmware(&fw
, fwname
, &hdev
->dev
) < 0) {
1403 BT_ERR("%s failed to open default Intel fw file: %s",
1404 hdev
->name
, fwname
);
1409 BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev
->name
, fwname
);
1414 static int btusb_setup_intel_patching(struct hci_dev
*hdev
,
1415 const struct firmware
*fw
,
1416 const u8
**fw_ptr
, int *disable_patch
)
1418 struct sk_buff
*skb
;
1419 struct hci_command_hdr
*cmd
;
1420 const u8
*cmd_param
;
1421 struct hci_event_hdr
*evt
= NULL
;
1422 const u8
*evt_param
= NULL
;
1423 int remain
= fw
->size
- (*fw_ptr
- fw
->data
);
1425 /* The first byte indicates the types of the patch command or event.
1426 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
1427 * in the current firmware buffer doesn't start with 0x01 or
1428 * the size of remain buffer is smaller than HCI command header,
1429 * the firmware file is corrupted and it should stop the patching
1432 if (remain
> HCI_COMMAND_HDR_SIZE
&& *fw_ptr
[0] != 0x01) {
1433 BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev
->name
);
1439 cmd
= (struct hci_command_hdr
*)(*fw_ptr
);
1440 *fw_ptr
+= sizeof(*cmd
);
1441 remain
-= sizeof(*cmd
);
1443 /* Ensure that the remain firmware data is long enough than the length
1444 * of command parameter. If not, the firmware file is corrupted.
1446 if (remain
< cmd
->plen
) {
1447 BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev
->name
);
1451 /* If there is a command that loads a patch in the firmware
1452 * file, then enable the patch upon success, otherwise just
1453 * disable the manufacturer mode, for example patch activation
1454 * is not required when the default firmware patch file is used
1455 * because there are no patch data to load.
1457 if (*disable_patch
&& le16_to_cpu(cmd
->opcode
) == 0xfc8e)
1460 cmd_param
= *fw_ptr
;
1461 *fw_ptr
+= cmd
->plen
;
1462 remain
-= cmd
->plen
;
1464 /* This reads the expected events when the above command is sent to the
1465 * device. Some vendor commands expects more than one events, for
1466 * example command status event followed by vendor specific event.
1467 * For this case, it only keeps the last expected event. so the command
1468 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
1469 * last expected event.
1471 while (remain
> HCI_EVENT_HDR_SIZE
&& *fw_ptr
[0] == 0x02) {
1475 evt
= (struct hci_event_hdr
*)(*fw_ptr
);
1476 *fw_ptr
+= sizeof(*evt
);
1477 remain
-= sizeof(*evt
);
1479 if (remain
< evt
->plen
) {
1480 BT_ERR("%s Intel fw corrupted: invalid evt len",
1485 evt_param
= *fw_ptr
;
1486 *fw_ptr
+= evt
->plen
;
1487 remain
-= evt
->plen
;
1490 /* Every HCI commands in the firmware file has its correspond event.
1491 * If event is not found or remain is smaller than zero, the firmware
1492 * file is corrupted.
1494 if (!evt
|| !evt_param
|| remain
< 0) {
1495 BT_ERR("%s Intel fw corrupted: invalid evt read", hdev
->name
);
1499 skb
= __hci_cmd_sync_ev(hdev
, le16_to_cpu(cmd
->opcode
), cmd
->plen
,
1500 cmd_param
, evt
->evt
, HCI_INIT_TIMEOUT
);
1502 BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)",
1503 hdev
->name
, cmd
->opcode
, PTR_ERR(skb
));
1504 return PTR_ERR(skb
);
1507 /* It ensures that the returned event matches the event data read from
1508 * the firmware file. At fist, it checks the length and then
1509 * the contents of the event.
1511 if (skb
->len
!= evt
->plen
) {
1512 BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev
->name
,
1513 le16_to_cpu(cmd
->opcode
));
1518 if (memcmp(skb
->data
, evt_param
, evt
->plen
)) {
1519 BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)",
1520 hdev
->name
, le16_to_cpu(cmd
->opcode
));
1529 static int btusb_setup_intel(struct hci_dev
*hdev
)
1531 struct sk_buff
*skb
;
1532 const struct firmware
*fw
;
1535 struct intel_version
*ver
;
1537 const u8 mfg_enable
[] = { 0x01, 0x00 };
1538 const u8 mfg_disable
[] = { 0x00, 0x00 };
1539 const u8 mfg_reset_deactivate
[] = { 0x00, 0x01 };
1540 const u8 mfg_reset_activate
[] = { 0x00, 0x02 };
1542 BT_DBG("%s", hdev
->name
);
1544 /* The controller has a bug with the first HCI command sent to it
1545 * returning number of completed commands as zero. This would stall the
1546 * command processing in the Bluetooth core.
1548 * As a workaround, send HCI Reset command first which will reset the
1549 * number of completed commands and allow normal command processing
1552 skb
= __hci_cmd_sync(hdev
, HCI_OP_RESET
, 0, NULL
, HCI_INIT_TIMEOUT
);
1554 BT_ERR("%s sending initial HCI reset command failed (%ld)",
1555 hdev
->name
, PTR_ERR(skb
));
1556 return PTR_ERR(skb
);
1560 /* Read Intel specific controller version first to allow selection of
1561 * which firmware file to load.
1563 * The returned information are hardware variant and revision plus
1564 * firmware variant, revision and build number.
1566 skb
= __hci_cmd_sync(hdev
, 0xfc05, 0, NULL
, HCI_INIT_TIMEOUT
);
1568 BT_ERR("%s reading Intel fw version command failed (%ld)",
1569 hdev
->name
, PTR_ERR(skb
));
1570 return PTR_ERR(skb
);
1573 if (skb
->len
!= sizeof(*ver
)) {
1574 BT_ERR("%s Intel version event length mismatch", hdev
->name
);
1579 ver
= (struct intel_version
*)skb
->data
;
1581 BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
1582 hdev
->name
, ver
->hw_platform
, ver
->hw_variant
,
1583 ver
->hw_revision
, ver
->fw_variant
, ver
->fw_revision
,
1584 ver
->fw_build_num
, ver
->fw_build_ww
, ver
->fw_build_yy
,
1587 /* fw_patch_num indicates the version of patch the device currently
1588 * have. If there is no patch data in the device, it is always 0x00.
1589 * So, if it is other than 0x00, no need to patch the deivce again.
1591 if (ver
->fw_patch_num
) {
1592 BT_INFO("%s: Intel device is already patched. patch num: %02x",
1593 hdev
->name
, ver
->fw_patch_num
);
1595 btintel_check_bdaddr(hdev
);
1599 /* Opens the firmware patch file based on the firmware version read
1600 * from the controller. If it fails to open the matching firmware
1601 * patch file, it tries to open the default firmware patch file.
1602 * If no patch file is found, allow the device to operate without
1605 fw
= btusb_setup_intel_get_fw(hdev
, ver
);
1608 btintel_check_bdaddr(hdev
);
1613 /* This Intel specific command enables the manufacturer mode of the
1616 * Only while this mode is enabled, the driver can download the
1617 * firmware patch data and configuration parameters.
1619 skb
= __hci_cmd_sync(hdev
, 0xfc11, 2, mfg_enable
, HCI_INIT_TIMEOUT
);
1621 BT_ERR("%s entering Intel manufacturer mode failed (%ld)",
1622 hdev
->name
, PTR_ERR(skb
));
1623 release_firmware(fw
);
1624 return PTR_ERR(skb
);
1631 /* The firmware data file consists of list of Intel specific HCI
1632 * commands and its expected events. The first byte indicates the
1633 * type of the message, either HCI command or HCI event.
1635 * It reads the command and its expected event from the firmware file,
1636 * and send to the controller. Once __hci_cmd_sync_ev() returns,
1637 * the returned event is compared with the event read from the firmware
1638 * file and it will continue until all the messages are downloaded to
1641 * Once the firmware patching is completed successfully,
1642 * the manufacturer mode is disabled with reset and activating the
1645 * If the firmware patching fails, the manufacturer mode is
1646 * disabled with reset and deactivating the patch.
1648 * If the default patch file is used, no reset is done when disabling
1651 while (fw
->size
> fw_ptr
- fw
->data
) {
1654 ret
= btusb_setup_intel_patching(hdev
, fw
, &fw_ptr
,
1657 goto exit_mfg_deactivate
;
1660 release_firmware(fw
);
1663 goto exit_mfg_disable
;
1665 /* Patching completed successfully and disable the manufacturer mode
1666 * with reset and activate the downloaded firmware patches.
1668 skb
= __hci_cmd_sync(hdev
, 0xfc11, sizeof(mfg_reset_activate
),
1669 mfg_reset_activate
, HCI_INIT_TIMEOUT
);
1671 BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
1672 hdev
->name
, PTR_ERR(skb
));
1673 return PTR_ERR(skb
);
1677 BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
1680 btintel_check_bdaddr(hdev
);
1684 /* Disable the manufacturer mode without reset */
1685 skb
= __hci_cmd_sync(hdev
, 0xfc11, sizeof(mfg_disable
), mfg_disable
,
1688 BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
1689 hdev
->name
, PTR_ERR(skb
));
1690 return PTR_ERR(skb
);
1694 BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev
->name
);
1696 btintel_check_bdaddr(hdev
);
1699 exit_mfg_deactivate
:
1700 release_firmware(fw
);
1702 /* Patching failed. Disable the manufacturer mode with reset and
1703 * deactivate the downloaded firmware patches.
1705 skb
= __hci_cmd_sync(hdev
, 0xfc11, sizeof(mfg_reset_deactivate
),
1706 mfg_reset_deactivate
, HCI_INIT_TIMEOUT
);
1708 BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
1709 hdev
->name
, PTR_ERR(skb
));
1710 return PTR_ERR(skb
);
1714 BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
1717 btintel_check_bdaddr(hdev
);
1721 static int inject_cmd_complete(struct hci_dev
*hdev
, __u16 opcode
)
1723 struct sk_buff
*skb
;
1724 struct hci_event_hdr
*hdr
;
1725 struct hci_ev_cmd_complete
*evt
;
1727 skb
= bt_skb_alloc(sizeof(*hdr
) + sizeof(*evt
) + 1, GFP_ATOMIC
);
1731 hdr
= (struct hci_event_hdr
*)skb_put(skb
, sizeof(*hdr
));
1732 hdr
->evt
= HCI_EV_CMD_COMPLETE
;
1733 hdr
->plen
= sizeof(*evt
) + 1;
1735 evt
= (struct hci_ev_cmd_complete
*)skb_put(skb
, sizeof(*evt
));
1737 evt
->opcode
= cpu_to_le16(opcode
);
1739 *skb_put(skb
, 1) = 0x00;
1741 bt_cb(skb
)->pkt_type
= HCI_EVENT_PKT
;
1743 return hci_recv_frame(hdev
, skb
);
1746 static int btusb_recv_bulk_intel(struct btusb_data
*data
, void *buffer
,
1749 /* When the device is in bootloader mode, then it can send
1750 * events via the bulk endpoint. These events are treated the
1751 * same way as the ones received from the interrupt endpoint.
1753 if (test_bit(BTUSB_BOOTLOADER
, &data
->flags
))
1754 return btusb_recv_intr(data
, buffer
, count
);
1756 return btusb_recv_bulk(data
, buffer
, count
);
1759 static void btusb_intel_bootup(struct btusb_data
*data
, const void *ptr
,
1762 const struct intel_bootup
*evt
= ptr
;
1764 if (len
!= sizeof(*evt
))
1767 if (test_and_clear_bit(BTUSB_BOOTING
, &data
->flags
)) {
1768 smp_mb__after_atomic();
1769 wake_up_bit(&data
->flags
, BTUSB_BOOTING
);
1773 static void btusb_intel_secure_send_result(struct btusb_data
*data
,
1774 const void *ptr
, unsigned int len
)
1776 const struct intel_secure_send_result
*evt
= ptr
;
1778 if (len
!= sizeof(*evt
))
1782 set_bit(BTUSB_FIRMWARE_FAILED
, &data
->flags
);
1784 if (test_and_clear_bit(BTUSB_DOWNLOADING
, &data
->flags
) &&
1785 test_bit(BTUSB_FIRMWARE_LOADED
, &data
->flags
)) {
1786 smp_mb__after_atomic();
1787 wake_up_bit(&data
->flags
, BTUSB_DOWNLOADING
);
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 if (skb
->len
> HCI_EVENT_HDR_SIZE
&& hdr
->evt
== 0xff &&
1800 const void *ptr
= skb
->data
+ HCI_EVENT_HDR_SIZE
+ 1;
1801 unsigned int len
= skb
->len
- HCI_EVENT_HDR_SIZE
- 1;
1803 switch (skb
->data
[2]) {
1805 /* When switching to the operational firmware
1806 * the device sends a vendor specific event
1807 * indicating that the bootup completed.
1809 btusb_intel_bootup(data
, ptr
, len
);
1812 /* When the firmware loading completes the
1813 * device sends out a vendor specific event
1814 * indicating the result of the firmware
1817 btusb_intel_secure_send_result(data
, ptr
, len
);
1823 return hci_recv_frame(hdev
, skb
);
1826 static int btusb_send_frame_intel(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1828 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1831 BT_DBG("%s", hdev
->name
);
1833 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
1836 switch (bt_cb(skb
)->pkt_type
) {
1837 case HCI_COMMAND_PKT
:
1838 if (test_bit(BTUSB_BOOTLOADER
, &data
->flags
)) {
1839 struct hci_command_hdr
*cmd
= (void *)skb
->data
;
1840 __u16 opcode
= le16_to_cpu(cmd
->opcode
);
1842 /* When in bootloader mode and the command 0xfc09
1843 * is received, it needs to be send down the
1844 * bulk endpoint. So allocate a bulk URB instead.
1846 if (opcode
== 0xfc09)
1847 urb
= alloc_bulk_urb(hdev
, skb
);
1849 urb
= alloc_ctrl_urb(hdev
, skb
);
1851 /* When the 0xfc01 command is issued to boot into
1852 * the operational firmware, it will actually not
1853 * send a command complete event. To keep the flow
1854 * control working inject that event here.
1856 if (opcode
== 0xfc01)
1857 inject_cmd_complete(hdev
, opcode
);
1859 urb
= alloc_ctrl_urb(hdev
, skb
);
1862 return PTR_ERR(urb
);
1864 hdev
->stat
.cmd_tx
++;
1865 return submit_or_queue_tx_urb(hdev
, urb
);
1867 case HCI_ACLDATA_PKT
:
1868 urb
= alloc_bulk_urb(hdev
, skb
);
1870 return PTR_ERR(urb
);
1872 hdev
->stat
.acl_tx
++;
1873 return submit_or_queue_tx_urb(hdev
, urb
);
1875 case HCI_SCODATA_PKT
:
1876 if (hci_conn_num(hdev
, SCO_LINK
) < 1)
1879 urb
= alloc_isoc_urb(hdev
, skb
);
1881 return PTR_ERR(urb
);
1883 hdev
->stat
.sco_tx
++;
1884 return submit_tx_urb(hdev
, urb
);
1890 static int btusb_intel_secure_send(struct hci_dev
*hdev
, u8 fragment_type
,
1891 u32 plen
, const void *param
)
1894 struct sk_buff
*skb
;
1895 u8 cmd_param
[253], fragment_len
= (plen
> 252) ? 252 : plen
;
1897 cmd_param
[0] = fragment_type
;
1898 memcpy(cmd_param
+ 1, param
, fragment_len
);
1900 skb
= __hci_cmd_sync(hdev
, 0xfc09, fragment_len
+ 1,
1901 cmd_param
, HCI_INIT_TIMEOUT
);
1903 return PTR_ERR(skb
);
1907 plen
-= fragment_len
;
1908 param
+= fragment_len
;
1914 static void btusb_intel_version_info(struct hci_dev
*hdev
,
1915 struct intel_version
*ver
)
1917 const char *variant
;
1919 switch (ver
->fw_variant
) {
1921 variant
= "Bootloader";
1924 variant
= "Firmware";
1930 BT_INFO("%s: %s revision %u.%u build %u week %u %u", hdev
->name
,
1931 variant
, ver
->fw_revision
>> 4, ver
->fw_revision
& 0x0f,
1932 ver
->fw_build_num
, ver
->fw_build_ww
, 2000 + ver
->fw_build_yy
);
1935 static int btusb_setup_intel_new(struct hci_dev
*hdev
)
1937 static const u8 reset_param
[] = { 0x00, 0x01, 0x00, 0x01,
1938 0x00, 0x08, 0x04, 0x00 };
1939 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1940 struct sk_buff
*skb
;
1941 struct intel_version
*ver
;
1942 struct intel_boot_params
*params
;
1943 const struct firmware
*fw
;
1946 ktime_t calltime
, delta
, rettime
;
1947 unsigned long long duration
;
1950 BT_DBG("%s", hdev
->name
);
1952 calltime
= ktime_get();
1954 /* Read the Intel version information to determine if the device
1955 * is in bootloader mode or if it already has operational firmware
1958 skb
= __hci_cmd_sync(hdev
, 0xfc05, 0, NULL
, HCI_INIT_TIMEOUT
);
1960 BT_ERR("%s: Reading Intel version information failed (%ld)",
1961 hdev
->name
, PTR_ERR(skb
));
1962 return PTR_ERR(skb
);
1965 if (skb
->len
!= sizeof(*ver
)) {
1966 BT_ERR("%s: Intel version event size mismatch", hdev
->name
);
1971 ver
= (struct intel_version
*)skb
->data
;
1973 /* The hardware platform number has a fixed value of 0x37 and
1974 * for now only accept this single value.
1976 if (ver
->hw_platform
!= 0x37) {
1977 BT_ERR("%s: Unsupported Intel hardware platform (%u)",
1978 hdev
->name
, ver
->hw_platform
);
1983 /* At the moment only the hardware variant iBT 3.0 (LnP/SfP) is
1984 * supported by this firmware loading method. This check has been
1985 * put in place to ensure correct forward compatibility options
1986 * when newer hardware variants come along.
1988 if (ver
->hw_variant
!= 0x0b) {
1989 BT_ERR("%s: Unsupported Intel hardware variant (%u)",
1990 hdev
->name
, ver
->hw_variant
);
1995 btusb_intel_version_info(hdev
, ver
);
1997 /* The firmware variant determines if the device is in bootloader
1998 * mode or is running operational firmware. The value 0x06 identifies
1999 * the bootloader and the value 0x23 identifies the operational
2002 * When the operational firmware is already present, then only
2003 * the check for valid Bluetooth device address is needed. This
2004 * determines if the device will be added as configured or
2005 * unconfigured controller.
2007 * It is not possible to use the Secure Boot Parameters in this
2008 * case since that command is only available in bootloader mode.
2010 if (ver
->fw_variant
== 0x23) {
2012 clear_bit(BTUSB_BOOTLOADER
, &data
->flags
);
2013 btintel_check_bdaddr(hdev
);
2017 /* If the device is not in bootloader mode, then the only possible
2018 * choice is to return an error and abort the device initialization.
2020 if (ver
->fw_variant
!= 0x06) {
2021 BT_ERR("%s: Unsupported Intel firmware variant (%u)",
2022 hdev
->name
, ver
->fw_variant
);
2029 /* Read the secure boot parameters to identify the operating
2030 * details of the bootloader.
2032 skb
= __hci_cmd_sync(hdev
, 0xfc0d, 0, NULL
, HCI_INIT_TIMEOUT
);
2034 BT_ERR("%s: Reading Intel boot parameters failed (%ld)",
2035 hdev
->name
, PTR_ERR(skb
));
2036 return PTR_ERR(skb
);
2039 if (skb
->len
!= sizeof(*params
)) {
2040 BT_ERR("%s: Intel boot parameters size mismatch", hdev
->name
);
2045 params
= (struct intel_boot_params
*)skb
->data
;
2047 BT_INFO("%s: Device revision is %u", hdev
->name
,
2048 le16_to_cpu(params
->dev_revid
));
2050 BT_INFO("%s: Secure boot is %s", hdev
->name
,
2051 params
->secure_boot
? "enabled" : "disabled");
2053 BT_INFO("%s: Minimum firmware build %u week %u %u", hdev
->name
,
2054 params
->min_fw_build_nn
, params
->min_fw_build_cw
,
2055 2000 + params
->min_fw_build_yy
);
2057 /* It is required that every single firmware fragment is acknowledged
2058 * with a command complete event. If the boot parameters indicate
2059 * that this bootloader does not send them, then abort the setup.
2061 if (params
->limited_cce
!= 0x00) {
2062 BT_ERR("%s: Unsupported Intel firmware loading method (%u)",
2063 hdev
->name
, params
->limited_cce
);
2068 /* If the OTP has no valid Bluetooth device address, then there will
2069 * also be no valid address for the operational firmware.
2071 if (!bacmp(¶ms
->otp_bdaddr
, BDADDR_ANY
)) {
2072 BT_INFO("%s: No device address configured", hdev
->name
);
2073 set_bit(HCI_QUIRK_INVALID_BDADDR
, &hdev
->quirks
);
2076 /* With this Intel bootloader only the hardware variant and device
2077 * revision information are used to select the right firmware.
2079 * Currently this bootloader support is limited to hardware variant
2080 * iBT 3.0 (LnP/SfP) which is identified by the value 11 (0x0b).
2082 snprintf(fwname
, sizeof(fwname
), "intel/ibt-11-%u.sfi",
2083 le16_to_cpu(params
->dev_revid
));
2085 err
= request_firmware(&fw
, fwname
, &hdev
->dev
);
2087 BT_ERR("%s: Failed to load Intel firmware file (%d)",
2093 BT_INFO("%s: Found device firmware: %s", hdev
->name
, fwname
);
2097 if (fw
->size
< 644) {
2098 BT_ERR("%s: Invalid size of firmware file (%zu)",
2099 hdev
->name
, fw
->size
);
2104 set_bit(BTUSB_DOWNLOADING
, &data
->flags
);
2106 /* Start the firmware download transaction with the Init fragment
2107 * represented by the 128 bytes of CSS header.
2109 err
= btusb_intel_secure_send(hdev
, 0x00, 128, fw
->data
);
2111 BT_ERR("%s: Failed to send firmware header (%d)",
2116 /* Send the 256 bytes of public key information from the firmware
2117 * as the PKey fragment.
2119 err
= btusb_intel_secure_send(hdev
, 0x03, 256, fw
->data
+ 128);
2121 BT_ERR("%s: Failed to send firmware public key (%d)",
2126 /* Send the 256 bytes of signature information from the firmware
2127 * as the Sign fragment.
2129 err
= btusb_intel_secure_send(hdev
, 0x02, 256, fw
->data
+ 388);
2131 BT_ERR("%s: Failed to send firmware signature (%d)",
2136 fw_ptr
= fw
->data
+ 644;
2138 while (fw_ptr
- fw
->data
< fw
->size
) {
2139 struct hci_command_hdr
*cmd
= (void *)fw_ptr
;
2142 cmd_len
= sizeof(*cmd
) + cmd
->plen
;
2144 /* Send each command from the firmware data buffer as
2145 * a single Data fragment.
2147 err
= btusb_intel_secure_send(hdev
, 0x01, cmd_len
, fw_ptr
);
2149 BT_ERR("%s: Failed to send firmware data (%d)",
2157 set_bit(BTUSB_FIRMWARE_LOADED
, &data
->flags
);
2159 BT_INFO("%s: Waiting for firmware download to complete", hdev
->name
);
2161 /* Before switching the device into operational mode and with that
2162 * booting the loaded firmware, wait for the bootloader notification
2163 * that all fragments have been successfully received.
2165 * When the event processing receives the notification, then the
2166 * BTUSB_DOWNLOADING flag will be cleared.
2168 * The firmware loading should not take longer than 5 seconds
2169 * and thus just timeout if that happens and fail the setup
2172 err
= wait_on_bit_timeout(&data
->flags
, BTUSB_DOWNLOADING
,
2174 msecs_to_jiffies(5000));
2176 BT_ERR("%s: Firmware loading interrupted", hdev
->name
);
2182 BT_ERR("%s: Firmware loading timeout", hdev
->name
);
2187 if (test_bit(BTUSB_FIRMWARE_FAILED
, &data
->flags
)) {
2188 BT_ERR("%s: Firmware loading failed", hdev
->name
);
2193 rettime
= ktime_get();
2194 delta
= ktime_sub(rettime
, calltime
);
2195 duration
= (unsigned long long) ktime_to_ns(delta
) >> 10;
2197 BT_INFO("%s: Firmware loaded in %llu usecs", hdev
->name
, duration
);
2200 release_firmware(fw
);
2205 calltime
= ktime_get();
2207 set_bit(BTUSB_BOOTING
, &data
->flags
);
2209 skb
= __hci_cmd_sync(hdev
, 0xfc01, sizeof(reset_param
), reset_param
,
2212 return PTR_ERR(skb
);
2216 /* The bootloader will not indicate when the device is ready. This
2217 * is done by the operational firmware sending bootup notification.
2219 * Booting into operational firmware should not take longer than
2220 * 1 second. However if that happens, then just fail the setup
2221 * since something went wrong.
2223 BT_INFO("%s: Waiting for device to boot", hdev
->name
);
2225 err
= wait_on_bit_timeout(&data
->flags
, BTUSB_BOOTING
,
2227 msecs_to_jiffies(1000));
2230 BT_ERR("%s: Device boot interrupted", hdev
->name
);
2235 BT_ERR("%s: Device boot timeout", hdev
->name
);
2239 rettime
= ktime_get();
2240 delta
= ktime_sub(rettime
, calltime
);
2241 duration
= (unsigned long long) ktime_to_ns(delta
) >> 10;
2243 BT_INFO("%s: Device booted in %llu usecs", hdev
->name
, duration
);
2245 clear_bit(BTUSB_BOOTLOADER
, &data
->flags
);
2250 static void btusb_hw_error_intel(struct hci_dev
*hdev
, u8 code
)
2252 struct sk_buff
*skb
;
2255 BT_ERR("%s: Hardware error 0x%2.2x", hdev
->name
, code
);
2257 skb
= __hci_cmd_sync(hdev
, HCI_OP_RESET
, 0, NULL
, HCI_INIT_TIMEOUT
);
2259 BT_ERR("%s: Reset after hardware error failed (%ld)",
2260 hdev
->name
, PTR_ERR(skb
));
2265 skb
= __hci_cmd_sync(hdev
, 0xfc22, 1, &type
, HCI_INIT_TIMEOUT
);
2267 BT_ERR("%s: Retrieving Intel exception info failed (%ld)",
2268 hdev
->name
, PTR_ERR(skb
));
2272 if (skb
->len
!= 13) {
2273 BT_ERR("%s: Exception info size mismatch", hdev
->name
);
2278 BT_ERR("%s: Exception info %s", hdev
->name
, (char *)(skb
->data
+ 1));
2283 static int btusb_shutdown_intel(struct hci_dev
*hdev
)
2285 struct sk_buff
*skb
;
2288 /* Some platforms have an issue with BT LED when the interface is
2289 * down or BT radio is turned off, which takes 5 seconds to BT LED
2290 * goes off. This command turns off the BT LED immediately.
2292 skb
= __hci_cmd_sync(hdev
, 0xfc3f, 0, NULL
, HCI_INIT_TIMEOUT
);
2295 BT_ERR("%s: turning off Intel device LED failed (%ld)",
2304 static int btusb_set_bdaddr_marvell(struct hci_dev
*hdev
,
2305 const bdaddr_t
*bdaddr
)
2307 struct sk_buff
*skb
;
2312 buf
[1] = sizeof(bdaddr_t
);
2313 memcpy(buf
+ 2, bdaddr
, sizeof(bdaddr_t
));
2315 skb
= __hci_cmd_sync(hdev
, 0xfc22, sizeof(buf
), buf
, HCI_INIT_TIMEOUT
);
2318 BT_ERR("%s: changing Marvell device address failed (%ld)",
2327 static int btusb_set_bdaddr_ath3012(struct hci_dev
*hdev
,
2328 const bdaddr_t
*bdaddr
)
2330 struct sk_buff
*skb
;
2337 buf
[3] = sizeof(bdaddr_t
);
2338 memcpy(buf
+ 4, bdaddr
, sizeof(bdaddr_t
));
2340 skb
= __hci_cmd_sync(hdev
, 0xfc0b, sizeof(buf
), buf
, HCI_INIT_TIMEOUT
);
2343 BT_ERR("%s: Change address command failed (%ld)",
2352 #define QCA_DFU_PACKET_LEN 4096
2354 #define QCA_GET_TARGET_VERSION 0x09
2355 #define QCA_CHECK_STATUS 0x05
2356 #define QCA_DFU_DOWNLOAD 0x01
2358 #define QCA_SYSCFG_UPDATED 0x40
2359 #define QCA_PATCH_UPDATED 0x80
2360 #define QCA_DFU_TIMEOUT 3000
2362 struct qca_version
{
2364 __le32 patch_version
;
2370 struct qca_rampatch_version
{
2372 __le16 patch_version
;
2375 struct qca_device_info
{
2377 u8 rampatch_hdr
; /* length of header in rampatch */
2378 u8 nvm_hdr
; /* length of header in NVM */
2379 u8 ver_offset
; /* offset of version structure in rampatch */
2382 static const struct qca_device_info qca_devices_table
[] = {
2383 { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */
2384 { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
2385 { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
2386 { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
2387 { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
2388 { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
2391 static int btusb_qca_send_vendor_req(struct hci_dev
*hdev
, u8 request
,
2392 void *data
, u16 size
)
2394 struct btusb_data
*btdata
= hci_get_drvdata(hdev
);
2395 struct usb_device
*udev
= btdata
->udev
;
2399 buf
= kmalloc(size
, GFP_KERNEL
);
2403 /* Found some of USB hosts have IOT issues with ours so that we should
2404 * not wait until HCI layer is ready.
2406 pipe
= usb_rcvctrlpipe(udev
, 0);
2407 err
= usb_control_msg(udev
, pipe
, request
, USB_TYPE_VENDOR
| USB_DIR_IN
,
2408 0, 0, buf
, size
, USB_CTRL_SET_TIMEOUT
);
2410 BT_ERR("%s: Failed to access otp area (%d)", hdev
->name
, err
);
2414 memcpy(data
, buf
, size
);
2422 static int btusb_setup_qca_download_fw(struct hci_dev
*hdev
,
2423 const struct firmware
*firmware
,
2426 struct btusb_data
*btdata
= hci_get_drvdata(hdev
);
2427 struct usb_device
*udev
= btdata
->udev
;
2428 size_t count
, size
, sent
= 0;
2432 buf
= kmalloc(QCA_DFU_PACKET_LEN
, GFP_KERNEL
);
2436 count
= firmware
->size
;
2438 size
= min_t(size_t, count
, hdr_size
);
2439 memcpy(buf
, firmware
->data
, size
);
2441 /* USB patches should go down to controller through USB path
2442 * because binary format fits to go down through USB channel.
2443 * USB control path is for patching headers and USB bulk is for
2446 pipe
= usb_sndctrlpipe(udev
, 0);
2447 err
= usb_control_msg(udev
, pipe
, QCA_DFU_DOWNLOAD
, USB_TYPE_VENDOR
,
2448 0, 0, buf
, size
, USB_CTRL_SET_TIMEOUT
);
2450 BT_ERR("%s: Failed to send headers (%d)", hdev
->name
, err
);
2458 size
= min_t(size_t, count
, QCA_DFU_PACKET_LEN
);
2460 memcpy(buf
, firmware
->data
+ sent
, size
);
2462 pipe
= usb_sndbulkpipe(udev
, 0x02);
2463 err
= usb_bulk_msg(udev
, pipe
, buf
, size
, &len
,
2466 BT_ERR("%s: Failed to send body at %zd of %zd (%d)",
2467 hdev
->name
, sent
, firmware
->size
, err
);
2472 BT_ERR("%s: Failed to get bulk buffer", hdev
->name
);
2486 static int btusb_setup_qca_load_rampatch(struct hci_dev
*hdev
,
2487 struct qca_version
*ver
,
2488 const struct qca_device_info
*info
)
2490 struct qca_rampatch_version
*rver
;
2491 const struct firmware
*fw
;
2492 u32 ver_rom
, ver_patch
;
2493 u16 rver_rom
, rver_patch
;
2497 ver_rom
= le32_to_cpu(ver
->rom_version
);
2498 ver_patch
= le32_to_cpu(ver
->patch_version
);
2500 snprintf(fwname
, sizeof(fwname
), "qca/rampatch_usb_%08x.bin", ver_rom
);
2502 err
= request_firmware(&fw
, fwname
, &hdev
->dev
);
2504 BT_ERR("%s: failed to request rampatch file: %s (%d)",
2505 hdev
->name
, fwname
, err
);
2509 BT_INFO("%s: using rampatch file: %s", hdev
->name
, fwname
);
2511 rver
= (struct qca_rampatch_version
*)(fw
->data
+ info
->ver_offset
);
2512 rver_rom
= le16_to_cpu(rver
->rom_version
);
2513 rver_patch
= le16_to_cpu(rver
->patch_version
);
2515 BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x "
2516 "build 0x%x", hdev
->name
, rver_rom
, rver_patch
, ver_rom
,
2519 if (rver_rom
!= ver_rom
|| rver_patch
<= ver_patch
) {
2520 BT_ERR("%s: rampatch file version did not match with firmware",
2526 err
= btusb_setup_qca_download_fw(hdev
, fw
, info
->rampatch_hdr
);
2529 release_firmware(fw
);
2534 static int btusb_setup_qca_load_nvm(struct hci_dev
*hdev
,
2535 struct qca_version
*ver
,
2536 const struct qca_device_info
*info
)
2538 const struct firmware
*fw
;
2542 snprintf(fwname
, sizeof(fwname
), "qca/nvm_usb_%08x.bin",
2543 le32_to_cpu(ver
->rom_version
));
2545 err
= request_firmware(&fw
, fwname
, &hdev
->dev
);
2547 BT_ERR("%s: failed to request NVM file: %s (%d)",
2548 hdev
->name
, fwname
, err
);
2552 BT_INFO("%s: using NVM file: %s", hdev
->name
, fwname
);
2554 err
= btusb_setup_qca_download_fw(hdev
, fw
, info
->nvm_hdr
);
2556 release_firmware(fw
);
2561 static int btusb_setup_qca(struct hci_dev
*hdev
)
2563 const struct qca_device_info
*info
= NULL
;
2564 struct qca_version ver
;
2569 err
= btusb_qca_send_vendor_req(hdev
, QCA_GET_TARGET_VERSION
, &ver
,
2574 ver_rom
= le32_to_cpu(ver
.rom_version
);
2575 for (i
= 0; i
< ARRAY_SIZE(qca_devices_table
); i
++) {
2576 if (ver_rom
== qca_devices_table
[i
].rom_version
)
2577 info
= &qca_devices_table
[i
];
2580 BT_ERR("%s: don't support firmware rome 0x%x", hdev
->name
,
2585 err
= btusb_qca_send_vendor_req(hdev
, QCA_CHECK_STATUS
, &status
,
2590 if (!(status
& QCA_PATCH_UPDATED
)) {
2591 err
= btusb_setup_qca_load_rampatch(hdev
, &ver
, info
);
2596 if (!(status
& QCA_SYSCFG_UPDATED
)) {
2597 err
= btusb_setup_qca_load_nvm(hdev
, &ver
, info
);
2605 static int btusb_probe(struct usb_interface
*intf
,
2606 const struct usb_device_id
*id
)
2608 struct usb_endpoint_descriptor
*ep_desc
;
2609 struct btusb_data
*data
;
2610 struct hci_dev
*hdev
;
2613 BT_DBG("intf %p id %p", intf
, id
);
2615 /* interface numbers are hardcoded in the spec */
2616 if (intf
->cur_altsetting
->desc
.bInterfaceNumber
!= 0)
2619 if (!id
->driver_info
) {
2620 const struct usb_device_id
*match
;
2622 match
= usb_match_id(intf
, blacklist_table
);
2627 if (id
->driver_info
== BTUSB_IGNORE
)
2630 if (id
->driver_info
& BTUSB_ATH3012
) {
2631 struct usb_device
*udev
= interface_to_usbdev(intf
);
2633 /* Old firmware would otherwise let ath3k driver load
2634 * patch and sysconfig files */
2635 if (le16_to_cpu(udev
->descriptor
.bcdDevice
) <= 0x0001)
2639 data
= devm_kzalloc(&intf
->dev
, sizeof(*data
), GFP_KERNEL
);
2643 for (i
= 0; i
< intf
->cur_altsetting
->desc
.bNumEndpoints
; i
++) {
2644 ep_desc
= &intf
->cur_altsetting
->endpoint
[i
].desc
;
2646 if (!data
->intr_ep
&& usb_endpoint_is_int_in(ep_desc
)) {
2647 data
->intr_ep
= ep_desc
;
2651 if (!data
->bulk_tx_ep
&& usb_endpoint_is_bulk_out(ep_desc
)) {
2652 data
->bulk_tx_ep
= ep_desc
;
2656 if (!data
->bulk_rx_ep
&& usb_endpoint_is_bulk_in(ep_desc
)) {
2657 data
->bulk_rx_ep
= ep_desc
;
2662 if (!data
->intr_ep
|| !data
->bulk_tx_ep
|| !data
->bulk_rx_ep
)
2665 if (id
->driver_info
& BTUSB_AMP
) {
2666 data
->cmdreq_type
= USB_TYPE_CLASS
| 0x01;
2667 data
->cmdreq
= 0x2b;
2669 data
->cmdreq_type
= USB_TYPE_CLASS
;
2670 data
->cmdreq
= 0x00;
2673 data
->udev
= interface_to_usbdev(intf
);
2676 INIT_WORK(&data
->work
, btusb_work
);
2677 INIT_WORK(&data
->waker
, btusb_waker
);
2678 init_usb_anchor(&data
->deferred
);
2679 init_usb_anchor(&data
->tx_anchor
);
2680 spin_lock_init(&data
->txlock
);
2682 init_usb_anchor(&data
->intr_anchor
);
2683 init_usb_anchor(&data
->bulk_anchor
);
2684 init_usb_anchor(&data
->isoc_anchor
);
2685 spin_lock_init(&data
->rxlock
);
2687 if (id
->driver_info
& BTUSB_INTEL_NEW
) {
2688 data
->recv_event
= btusb_recv_event_intel
;
2689 data
->recv_bulk
= btusb_recv_bulk_intel
;
2690 set_bit(BTUSB_BOOTLOADER
, &data
->flags
);
2692 data
->recv_event
= hci_recv_frame
;
2693 data
->recv_bulk
= btusb_recv_bulk
;
2696 hdev
= hci_alloc_dev();
2700 hdev
->bus
= HCI_USB
;
2701 hci_set_drvdata(hdev
, data
);
2703 if (id
->driver_info
& BTUSB_AMP
)
2704 hdev
->dev_type
= HCI_AMP
;
2706 hdev
->dev_type
= HCI_BREDR
;
2710 SET_HCIDEV_DEV(hdev
, &intf
->dev
);
2712 hdev
->open
= btusb_open
;
2713 hdev
->close
= btusb_close
;
2714 hdev
->flush
= btusb_flush
;
2715 hdev
->send
= btusb_send_frame
;
2716 hdev
->notify
= btusb_notify
;
2718 if (id
->driver_info
& BTUSB_BCM92035
)
2719 hdev
->setup
= btusb_setup_bcm92035
;
2721 #ifdef CONFIG_BT_HCIBTUSB_BCM
2722 if (id
->driver_info
& BTUSB_BCM_PATCHRAM
) {
2723 hdev
->setup
= btbcm_setup_patchram
;
2724 hdev
->set_bdaddr
= btbcm_set_bdaddr
;
2727 if (id
->driver_info
& BTUSB_BCM_APPLE
)
2728 hdev
->setup
= btbcm_setup_apple
;
2731 if (id
->driver_info
& BTUSB_INTEL
) {
2732 hdev
->setup
= btusb_setup_intel
;
2733 hdev
->shutdown
= btusb_shutdown_intel
;
2734 hdev
->set_bdaddr
= btintel_set_bdaddr
;
2735 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
2736 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY
, &hdev
->quirks
);
2739 if (id
->driver_info
& BTUSB_INTEL_NEW
) {
2740 hdev
->send
= btusb_send_frame_intel
;
2741 hdev
->setup
= btusb_setup_intel_new
;
2742 hdev
->hw_error
= btusb_hw_error_intel
;
2743 hdev
->set_bdaddr
= btintel_set_bdaddr
;
2744 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
2747 if (id
->driver_info
& BTUSB_MARVELL
)
2748 hdev
->set_bdaddr
= btusb_set_bdaddr_marvell
;
2750 if (id
->driver_info
& BTUSB_SWAVE
) {
2751 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE
, &hdev
->quirks
);
2752 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS
, &hdev
->quirks
);
2755 if (id
->driver_info
& BTUSB_INTEL_BOOT
)
2756 set_bit(HCI_QUIRK_RAW_DEVICE
, &hdev
->quirks
);
2758 if (id
->driver_info
& BTUSB_ATH3012
) {
2759 hdev
->set_bdaddr
= btusb_set_bdaddr_ath3012
;
2760 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY
, &hdev
->quirks
);
2761 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
2764 if (id
->driver_info
& BTUSB_QCA_ROME
) {
2765 data
->setup_on_usb
= btusb_setup_qca
;
2766 hdev
->set_bdaddr
= btusb_set_bdaddr_ath3012
;
2769 #ifdef CONFIG_BT_HCIBTUSB_RTL
2770 if (id
->driver_info
& BTUSB_REALTEK
)
2771 hdev
->setup
= btrtl_setup_realtek
;
2774 if (id
->driver_info
& BTUSB_AMP
) {
2775 /* AMP controllers do not support SCO packets */
2778 /* Interface numbers are hardcoded in the specification */
2779 data
->isoc
= usb_ifnum_to_if(data
->udev
, 1);
2783 set_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
2785 if (force_scofix
|| id
->driver_info
& BTUSB_WRONG_SCO_MTU
) {
2786 if (!disable_scofix
)
2787 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE
, &hdev
->quirks
);
2790 if (id
->driver_info
& BTUSB_BROKEN_ISOC
)
2793 if (id
->driver_info
& BTUSB_DIGIANSWER
) {
2794 data
->cmdreq_type
= USB_TYPE_VENDOR
;
2795 set_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
2798 if (id
->driver_info
& BTUSB_CSR
) {
2799 struct usb_device
*udev
= data
->udev
;
2800 u16 bcdDevice
= le16_to_cpu(udev
->descriptor
.bcdDevice
);
2802 /* Old firmware would otherwise execute USB reset */
2803 if (bcdDevice
< 0x117)
2804 set_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
2806 /* Fake CSR devices with broken commands */
2807 if (bcdDevice
<= 0x100)
2808 hdev
->setup
= btusb_setup_csr
;
2810 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY
, &hdev
->quirks
);
2813 if (id
->driver_info
& BTUSB_SNIFFER
) {
2814 struct usb_device
*udev
= data
->udev
;
2816 /* New sniffer firmware has crippled HCI interface */
2817 if (le16_to_cpu(udev
->descriptor
.bcdDevice
) > 0x997)
2818 set_bit(HCI_QUIRK_RAW_DEVICE
, &hdev
->quirks
);
2821 if (id
->driver_info
& BTUSB_INTEL_BOOT
) {
2822 /* A bug in the bootloader causes that interrupt interface is
2823 * only enabled after receiving SetInterface(0, AltSetting=0).
2825 err
= usb_set_interface(data
->udev
, 0, 0);
2827 BT_ERR("failed to set interface 0, alt 0 %d", err
);
2834 err
= usb_driver_claim_interface(&btusb_driver
,
2842 err
= hci_register_dev(hdev
);
2848 usb_set_intfdata(intf
, data
);
2853 static void btusb_disconnect(struct usb_interface
*intf
)
2855 struct btusb_data
*data
= usb_get_intfdata(intf
);
2856 struct hci_dev
*hdev
;
2858 BT_DBG("intf %p", intf
);
2864 usb_set_intfdata(data
->intf
, NULL
);
2867 usb_set_intfdata(data
->isoc
, NULL
);
2869 hci_unregister_dev(hdev
);
2871 if (intf
== data
->isoc
)
2872 usb_driver_release_interface(&btusb_driver
, data
->intf
);
2873 else if (data
->isoc
)
2874 usb_driver_release_interface(&btusb_driver
, data
->isoc
);
2880 static int btusb_suspend(struct usb_interface
*intf
, pm_message_t message
)
2882 struct btusb_data
*data
= usb_get_intfdata(intf
);
2884 BT_DBG("intf %p", intf
);
2886 if (data
->suspend_count
++)
2889 spin_lock_irq(&data
->txlock
);
2890 if (!(PMSG_IS_AUTO(message
) && data
->tx_in_flight
)) {
2891 set_bit(BTUSB_SUSPENDING
, &data
->flags
);
2892 spin_unlock_irq(&data
->txlock
);
2894 spin_unlock_irq(&data
->txlock
);
2895 data
->suspend_count
--;
2899 cancel_work_sync(&data
->work
);
2901 btusb_stop_traffic(data
);
2902 usb_kill_anchored_urbs(&data
->tx_anchor
);
2907 static void play_deferred(struct btusb_data
*data
)
2912 while ((urb
= usb_get_from_anchor(&data
->deferred
))) {
2913 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
2917 data
->tx_in_flight
++;
2919 usb_scuttle_anchored_urbs(&data
->deferred
);
2922 static int btusb_resume(struct usb_interface
*intf
)
2924 struct btusb_data
*data
= usb_get_intfdata(intf
);
2925 struct hci_dev
*hdev
= data
->hdev
;
2928 BT_DBG("intf %p", intf
);
2930 if (--data
->suspend_count
)
2933 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
2936 if (test_bit(BTUSB_INTR_RUNNING
, &data
->flags
)) {
2937 err
= btusb_submit_intr_urb(hdev
, GFP_NOIO
);
2939 clear_bit(BTUSB_INTR_RUNNING
, &data
->flags
);
2944 if (test_bit(BTUSB_BULK_RUNNING
, &data
->flags
)) {
2945 err
= btusb_submit_bulk_urb(hdev
, GFP_NOIO
);
2947 clear_bit(BTUSB_BULK_RUNNING
, &data
->flags
);
2951 btusb_submit_bulk_urb(hdev
, GFP_NOIO
);
2954 if (test_bit(BTUSB_ISOC_RUNNING
, &data
->flags
)) {
2955 if (btusb_submit_isoc_urb(hdev
, GFP_NOIO
) < 0)
2956 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
2958 btusb_submit_isoc_urb(hdev
, GFP_NOIO
);
2961 spin_lock_irq(&data
->txlock
);
2962 play_deferred(data
);
2963 clear_bit(BTUSB_SUSPENDING
, &data
->flags
);
2964 spin_unlock_irq(&data
->txlock
);
2965 schedule_work(&data
->work
);
2970 usb_scuttle_anchored_urbs(&data
->deferred
);
2972 spin_lock_irq(&data
->txlock
);
2973 clear_bit(BTUSB_SUSPENDING
, &data
->flags
);
2974 spin_unlock_irq(&data
->txlock
);
2980 static struct usb_driver btusb_driver
= {
2982 .probe
= btusb_probe
,
2983 .disconnect
= btusb_disconnect
,
2985 .suspend
= btusb_suspend
,
2986 .resume
= btusb_resume
,
2988 .id_table
= btusb_table
,
2989 .supports_autosuspend
= 1,
2990 .disable_hub_initiated_lpm
= 1,
2993 module_usb_driver(btusb_driver
);
2995 module_param(disable_scofix
, bool, 0644);
2996 MODULE_PARM_DESC(disable_scofix
, "Disable fixup of wrong SCO buffer size");
2998 module_param(force_scofix
, bool, 0644);
2999 MODULE_PARM_DESC(force_scofix
, "Force fixup of wrong SCO buffers size");
3001 module_param(reset
, bool, 0644);
3002 MODULE_PARM_DESC(reset
, "Send HCI reset command on initialization");
3004 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
3005 MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION
);
3006 MODULE_VERSION(VERSION
);
3007 MODULE_LICENSE("GPL");