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
= true;
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
63 #define BTUSB_BCM2045 0x40000
64 #define BTUSB_IFNUM_2 0x80000
66 static const struct usb_device_id btusb_table
[] = {
67 /* Generic Bluetooth USB device */
68 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
70 /* Generic Bluetooth AMP device */
71 { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info
= BTUSB_AMP
},
73 /* Generic Bluetooth USB interface */
74 { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) },
76 /* Apple-specific (Broadcom) devices */
77 { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01),
78 .driver_info
= BTUSB_BCM_APPLE
| BTUSB_IFNUM_2
},
80 /* MediaTek MT76x0E */
81 { USB_DEVICE(0x0e8d, 0x763f) },
83 /* Broadcom SoftSailing reporting vendor specific */
84 { USB_DEVICE(0x0a5c, 0x21e1) },
86 /* Apple MacBookPro 7,1 */
87 { USB_DEVICE(0x05ac, 0x8213) },
90 { USB_DEVICE(0x05ac, 0x8215) },
92 /* Apple MacBookPro6,2 */
93 { USB_DEVICE(0x05ac, 0x8218) },
95 /* Apple MacBookAir3,1, MacBookAir3,2 */
96 { USB_DEVICE(0x05ac, 0x821b) },
98 /* Apple MacBookAir4,1 */
99 { USB_DEVICE(0x05ac, 0x821f) },
101 /* Apple MacBookPro8,2 */
102 { USB_DEVICE(0x05ac, 0x821a) },
104 /* Apple MacMini5,1 */
105 { USB_DEVICE(0x05ac, 0x8281) },
107 /* AVM BlueFRITZ! USB v2.0 */
108 { USB_DEVICE(0x057c, 0x3800), .driver_info
= BTUSB_SWAVE
},
110 /* Bluetooth Ultraport Module from IBM */
111 { USB_DEVICE(0x04bf, 0x030a) },
113 /* ALPS Modules with non-standard id */
114 { USB_DEVICE(0x044e, 0x3001) },
115 { USB_DEVICE(0x044e, 0x3002) },
117 /* Ericsson with non-standard id */
118 { USB_DEVICE(0x0bdb, 0x1002) },
120 /* Canyon CN-BTU1 with HID interfaces */
121 { USB_DEVICE(0x0c10, 0x0000) },
123 /* Broadcom BCM20702A0 */
124 { USB_DEVICE(0x413c, 0x8197) },
126 /* Broadcom BCM20702B0 (Dynex/Insignia) */
127 { USB_DEVICE(0x19ff, 0x0239), .driver_info
= BTUSB_BCM_PATCHRAM
},
129 /* Broadcom BCM43142A0 (Foxconn/Lenovo) */
130 { USB_DEVICE(0x105b, 0xe065), .driver_info
= BTUSB_BCM_PATCHRAM
},
132 /* Foxconn - Hon Hai */
133 { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
134 .driver_info
= BTUSB_BCM_PATCHRAM
},
136 /* Lite-On Technology - Broadcom based */
137 { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01),
138 .driver_info
= BTUSB_BCM_PATCHRAM
},
140 /* Broadcom devices with vendor specific id */
141 { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01),
142 .driver_info
= BTUSB_BCM_PATCHRAM
},
144 /* ASUSTek Computer - Broadcom based */
145 { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01),
146 .driver_info
= BTUSB_BCM_PATCHRAM
},
148 /* Belkin F8065bf - Broadcom based */
149 { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01),
150 .driver_info
= BTUSB_BCM_PATCHRAM
},
152 /* IMC Networks - Broadcom based */
153 { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01),
154 .driver_info
= BTUSB_BCM_PATCHRAM
},
156 /* Toshiba Corp - Broadcom based */
157 { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01),
158 .driver_info
= BTUSB_BCM_PATCHRAM
},
160 /* Intel Bluetooth USB Bootloader (RAM module) */
161 { USB_DEVICE(0x8087, 0x0a5a),
162 .driver_info
= BTUSB_INTEL_BOOT
| BTUSB_BROKEN_ISOC
},
164 { } /* Terminating entry */
167 MODULE_DEVICE_TABLE(usb
, btusb_table
);
169 static const struct usb_device_id blacklist_table
[] = {
170 /* CSR BlueCore devices */
171 { USB_DEVICE(0x0a12, 0x0001), .driver_info
= BTUSB_CSR
},
173 /* Broadcom BCM2033 without firmware */
174 { USB_DEVICE(0x0a5c, 0x2033), .driver_info
= BTUSB_IGNORE
},
176 /* Broadcom BCM2045 devices */
177 { USB_DEVICE(0x0a5c, 0x2045), .driver_info
= BTUSB_BCM2045
},
179 /* Atheros 3011 with sflash firmware */
180 { USB_DEVICE(0x0489, 0xe027), .driver_info
= BTUSB_IGNORE
},
181 { USB_DEVICE(0x0489, 0xe03d), .driver_info
= BTUSB_IGNORE
},
182 { USB_DEVICE(0x04f2, 0xaff1), .driver_info
= BTUSB_IGNORE
},
183 { USB_DEVICE(0x0930, 0x0215), .driver_info
= BTUSB_IGNORE
},
184 { USB_DEVICE(0x0cf3, 0x3002), .driver_info
= BTUSB_IGNORE
},
185 { USB_DEVICE(0x0cf3, 0xe019), .driver_info
= BTUSB_IGNORE
},
186 { USB_DEVICE(0x13d3, 0x3304), .driver_info
= BTUSB_IGNORE
},
188 /* Atheros AR9285 Malbec with sflash firmware */
189 { USB_DEVICE(0x03f0, 0x311d), .driver_info
= BTUSB_IGNORE
},
191 /* Atheros 3012 with sflash firmware */
192 { USB_DEVICE(0x0489, 0xe04d), .driver_info
= BTUSB_ATH3012
},
193 { USB_DEVICE(0x0489, 0xe04e), .driver_info
= BTUSB_ATH3012
},
194 { USB_DEVICE(0x0489, 0xe056), .driver_info
= BTUSB_ATH3012
},
195 { USB_DEVICE(0x0489, 0xe057), .driver_info
= BTUSB_ATH3012
},
196 { USB_DEVICE(0x0489, 0xe05f), .driver_info
= BTUSB_ATH3012
},
197 { USB_DEVICE(0x0489, 0xe076), .driver_info
= BTUSB_ATH3012
},
198 { USB_DEVICE(0x0489, 0xe078), .driver_info
= BTUSB_ATH3012
},
199 { USB_DEVICE(0x04c5, 0x1330), .driver_info
= BTUSB_ATH3012
},
200 { USB_DEVICE(0x04ca, 0x3004), .driver_info
= BTUSB_ATH3012
},
201 { USB_DEVICE(0x04ca, 0x3005), .driver_info
= BTUSB_ATH3012
},
202 { USB_DEVICE(0x04ca, 0x3006), .driver_info
= BTUSB_ATH3012
},
203 { USB_DEVICE(0x04ca, 0x3007), .driver_info
= BTUSB_ATH3012
},
204 { USB_DEVICE(0x04ca, 0x3008), .driver_info
= BTUSB_ATH3012
},
205 { USB_DEVICE(0x04ca, 0x300b), .driver_info
= BTUSB_ATH3012
},
206 { USB_DEVICE(0x04ca, 0x300d), .driver_info
= BTUSB_ATH3012
},
207 { USB_DEVICE(0x04ca, 0x300f), .driver_info
= BTUSB_ATH3012
},
208 { USB_DEVICE(0x04ca, 0x3010), .driver_info
= BTUSB_ATH3012
},
209 { USB_DEVICE(0x0930, 0x0219), .driver_info
= BTUSB_ATH3012
},
210 { USB_DEVICE(0x0930, 0x021c), .driver_info
= BTUSB_ATH3012
},
211 { USB_DEVICE(0x0930, 0x0220), .driver_info
= BTUSB_ATH3012
},
212 { USB_DEVICE(0x0930, 0x0227), .driver_info
= BTUSB_ATH3012
},
213 { USB_DEVICE(0x0b05, 0x17d0), .driver_info
= BTUSB_ATH3012
},
214 { USB_DEVICE(0x0cf3, 0x0036), .driver_info
= BTUSB_ATH3012
},
215 { USB_DEVICE(0x0cf3, 0x3004), .driver_info
= BTUSB_ATH3012
},
216 { USB_DEVICE(0x0cf3, 0x3008), .driver_info
= BTUSB_ATH3012
},
217 { USB_DEVICE(0x0cf3, 0x311d), .driver_info
= BTUSB_ATH3012
},
218 { USB_DEVICE(0x0cf3, 0x311e), .driver_info
= BTUSB_ATH3012
},
219 { USB_DEVICE(0x0cf3, 0x311f), .driver_info
= BTUSB_ATH3012
},
220 { USB_DEVICE(0x0cf3, 0x3121), .driver_info
= BTUSB_ATH3012
},
221 { USB_DEVICE(0x0cf3, 0x817a), .driver_info
= BTUSB_ATH3012
},
222 { USB_DEVICE(0x0cf3, 0x817b), .driver_info
= BTUSB_ATH3012
},
223 { USB_DEVICE(0x0cf3, 0xe003), .driver_info
= BTUSB_ATH3012
},
224 { USB_DEVICE(0x0cf3, 0xe004), .driver_info
= BTUSB_ATH3012
},
225 { USB_DEVICE(0x0cf3, 0xe005), .driver_info
= BTUSB_ATH3012
},
226 { USB_DEVICE(0x0cf3, 0xe006), .driver_info
= BTUSB_ATH3012
},
227 { USB_DEVICE(0x13d3, 0x3362), .driver_info
= BTUSB_ATH3012
},
228 { USB_DEVICE(0x13d3, 0x3375), .driver_info
= BTUSB_ATH3012
},
229 { USB_DEVICE(0x13d3, 0x3393), .driver_info
= BTUSB_ATH3012
},
230 { USB_DEVICE(0x13d3, 0x3402), .driver_info
= BTUSB_ATH3012
},
231 { USB_DEVICE(0x13d3, 0x3408), .driver_info
= BTUSB_ATH3012
},
232 { USB_DEVICE(0x13d3, 0x3423), .driver_info
= BTUSB_ATH3012
},
233 { USB_DEVICE(0x13d3, 0x3432), .driver_info
= BTUSB_ATH3012
},
234 { USB_DEVICE(0x13d3, 0x3474), .driver_info
= BTUSB_ATH3012
},
236 /* Atheros AR5BBU12 with sflash firmware */
237 { USB_DEVICE(0x0489, 0xe02c), .driver_info
= BTUSB_IGNORE
},
239 /* Atheros AR5BBU12 with sflash firmware */
240 { USB_DEVICE(0x0489, 0xe036), .driver_info
= BTUSB_ATH3012
},
241 { USB_DEVICE(0x0489, 0xe03c), .driver_info
= BTUSB_ATH3012
},
243 /* QCA ROME chipset */
244 { USB_DEVICE(0x0cf3, 0xe007), .driver_info
= BTUSB_QCA_ROME
},
245 { USB_DEVICE(0x0cf3, 0xe300), .driver_info
= BTUSB_QCA_ROME
},
246 { USB_DEVICE(0x0cf3, 0xe360), .driver_info
= BTUSB_QCA_ROME
},
248 /* Broadcom BCM2035 */
249 { USB_DEVICE(0x0a5c, 0x2009), .driver_info
= BTUSB_BCM92035
},
250 { USB_DEVICE(0x0a5c, 0x200a), .driver_info
= BTUSB_WRONG_SCO_MTU
},
251 { USB_DEVICE(0x0a5c, 0x2035), .driver_info
= BTUSB_WRONG_SCO_MTU
},
253 /* Broadcom BCM2045 */
254 { USB_DEVICE(0x0a5c, 0x2039), .driver_info
= BTUSB_WRONG_SCO_MTU
},
255 { USB_DEVICE(0x0a5c, 0x2101), .driver_info
= BTUSB_WRONG_SCO_MTU
},
257 /* IBM/Lenovo ThinkPad with Broadcom chip */
258 { USB_DEVICE(0x0a5c, 0x201e), .driver_info
= BTUSB_WRONG_SCO_MTU
},
259 { USB_DEVICE(0x0a5c, 0x2110), .driver_info
= BTUSB_WRONG_SCO_MTU
},
261 /* HP laptop with Broadcom chip */
262 { USB_DEVICE(0x03f0, 0x171d), .driver_info
= BTUSB_WRONG_SCO_MTU
},
264 /* Dell laptop with Broadcom chip */
265 { USB_DEVICE(0x413c, 0x8126), .driver_info
= BTUSB_WRONG_SCO_MTU
},
267 /* Dell Wireless 370 and 410 devices */
268 { USB_DEVICE(0x413c, 0x8152), .driver_info
= BTUSB_WRONG_SCO_MTU
},
269 { USB_DEVICE(0x413c, 0x8156), .driver_info
= BTUSB_WRONG_SCO_MTU
},
271 /* Belkin F8T012 and F8T013 devices */
272 { USB_DEVICE(0x050d, 0x0012), .driver_info
= BTUSB_WRONG_SCO_MTU
},
273 { USB_DEVICE(0x050d, 0x0013), .driver_info
= BTUSB_WRONG_SCO_MTU
},
275 /* Asus WL-BTD202 device */
276 { USB_DEVICE(0x0b05, 0x1715), .driver_info
= BTUSB_WRONG_SCO_MTU
},
278 /* Kensington Bluetooth USB adapter */
279 { USB_DEVICE(0x047d, 0x105e), .driver_info
= BTUSB_WRONG_SCO_MTU
},
281 /* RTX Telecom based adapters with buggy SCO support */
282 { USB_DEVICE(0x0400, 0x0807), .driver_info
= BTUSB_BROKEN_ISOC
},
283 { USB_DEVICE(0x0400, 0x080a), .driver_info
= BTUSB_BROKEN_ISOC
},
285 /* CONWISE Technology based adapters with buggy SCO support */
286 { USB_DEVICE(0x0e5e, 0x6622), .driver_info
= BTUSB_BROKEN_ISOC
},
288 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
289 { USB_DEVICE(0x1310, 0x0001), .driver_info
= BTUSB_SWAVE
},
291 /* Digianswer devices */
292 { USB_DEVICE(0x08fd, 0x0001), .driver_info
= BTUSB_DIGIANSWER
},
293 { USB_DEVICE(0x08fd, 0x0002), .driver_info
= BTUSB_IGNORE
},
295 /* CSR BlueCore Bluetooth Sniffer */
296 { USB_DEVICE(0x0a12, 0x0002),
297 .driver_info
= BTUSB_SNIFFER
| BTUSB_BROKEN_ISOC
},
299 /* Frontline ComProbe Bluetooth Sniffer */
300 { USB_DEVICE(0x16d3, 0x0002),
301 .driver_info
= BTUSB_SNIFFER
| BTUSB_BROKEN_ISOC
},
303 /* Marvell Bluetooth devices */
304 { USB_DEVICE(0x1286, 0x2044), .driver_info
= BTUSB_MARVELL
},
305 { USB_DEVICE(0x1286, 0x2046), .driver_info
= BTUSB_MARVELL
},
307 /* Intel Bluetooth devices */
308 { USB_DEVICE(0x8087, 0x07da), .driver_info
= BTUSB_CSR
},
309 { USB_DEVICE(0x8087, 0x07dc), .driver_info
= BTUSB_INTEL
},
310 { USB_DEVICE(0x8087, 0x0a2a), .driver_info
= BTUSB_INTEL
},
311 { USB_DEVICE(0x8087, 0x0a2b), .driver_info
= BTUSB_INTEL_NEW
},
313 /* Other Intel Bluetooth devices */
314 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
315 .driver_info
= BTUSB_IGNORE
},
317 /* Realtek Bluetooth devices */
318 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
319 .driver_info
= BTUSB_REALTEK
},
321 /* Additional Realtek 8723AE Bluetooth devices */
322 { USB_DEVICE(0x0930, 0x021d), .driver_info
= BTUSB_REALTEK
},
323 { USB_DEVICE(0x13d3, 0x3394), .driver_info
= BTUSB_REALTEK
},
325 /* Additional Realtek 8723BE Bluetooth devices */
326 { USB_DEVICE(0x0489, 0xe085), .driver_info
= BTUSB_REALTEK
},
327 { USB_DEVICE(0x0489, 0xe08b), .driver_info
= BTUSB_REALTEK
},
328 { USB_DEVICE(0x13d3, 0x3410), .driver_info
= BTUSB_REALTEK
},
329 { USB_DEVICE(0x13d3, 0x3416), .driver_info
= BTUSB_REALTEK
},
330 { USB_DEVICE(0x13d3, 0x3459), .driver_info
= BTUSB_REALTEK
},
332 /* Additional Realtek 8821AE Bluetooth devices */
333 { USB_DEVICE(0x0b05, 0x17dc), .driver_info
= BTUSB_REALTEK
},
334 { USB_DEVICE(0x13d3, 0x3414), .driver_info
= BTUSB_REALTEK
},
335 { USB_DEVICE(0x13d3, 0x3458), .driver_info
= BTUSB_REALTEK
},
336 { USB_DEVICE(0x13d3, 0x3461), .driver_info
= BTUSB_REALTEK
},
337 { USB_DEVICE(0x13d3, 0x3462), .driver_info
= BTUSB_REALTEK
},
339 /* Silicon Wave based devices */
340 { USB_DEVICE(0x0c10, 0x0000), .driver_info
= BTUSB_SWAVE
},
342 { } /* Terminating entry */
345 #define BTUSB_MAX_ISOC_FRAMES 10
347 #define BTUSB_INTR_RUNNING 0
348 #define BTUSB_BULK_RUNNING 1
349 #define BTUSB_ISOC_RUNNING 2
350 #define BTUSB_SUSPENDING 3
351 #define BTUSB_DID_ISO_RESUME 4
352 #define BTUSB_BOOTLOADER 5
353 #define BTUSB_DOWNLOADING 6
354 #define BTUSB_FIRMWARE_LOADED 7
355 #define BTUSB_FIRMWARE_FAILED 8
356 #define BTUSB_BOOTING 9
357 #define BTUSB_RESET_RESUME 10
358 #define BTUSB_DIAG_RUNNING 11
361 struct hci_dev
*hdev
;
362 struct usb_device
*udev
;
363 struct usb_interface
*intf
;
364 struct usb_interface
*isoc
;
365 struct usb_interface
*diag
;
369 struct work_struct work
;
370 struct work_struct waker
;
372 struct usb_anchor deferred
;
373 struct usb_anchor tx_anchor
;
377 struct usb_anchor intr_anchor
;
378 struct usb_anchor bulk_anchor
;
379 struct usb_anchor isoc_anchor
;
380 struct usb_anchor diag_anchor
;
383 struct sk_buff
*evt_skb
;
384 struct sk_buff
*acl_skb
;
385 struct sk_buff
*sco_skb
;
387 struct usb_endpoint_descriptor
*intr_ep
;
388 struct usb_endpoint_descriptor
*bulk_tx_ep
;
389 struct usb_endpoint_descriptor
*bulk_rx_ep
;
390 struct usb_endpoint_descriptor
*isoc_tx_ep
;
391 struct usb_endpoint_descriptor
*isoc_rx_ep
;
392 struct usb_endpoint_descriptor
*diag_tx_ep
;
393 struct usb_endpoint_descriptor
*diag_rx_ep
;
398 unsigned int sco_num
;
402 int (*recv_event
)(struct hci_dev
*hdev
, struct sk_buff
*skb
);
403 int (*recv_bulk
)(struct btusb_data
*data
, void *buffer
, int count
);
405 int (*setup_on_usb
)(struct hci_dev
*hdev
);
408 static inline void btusb_free_frags(struct btusb_data
*data
)
412 spin_lock_irqsave(&data
->rxlock
, flags
);
414 kfree_skb(data
->evt_skb
);
415 data
->evt_skb
= NULL
;
417 kfree_skb(data
->acl_skb
);
418 data
->acl_skb
= NULL
;
420 kfree_skb(data
->sco_skb
);
421 data
->sco_skb
= NULL
;
423 spin_unlock_irqrestore(&data
->rxlock
, flags
);
426 static int btusb_recv_intr(struct btusb_data
*data
, void *buffer
, int count
)
431 spin_lock(&data
->rxlock
);
438 skb
= bt_skb_alloc(HCI_MAX_EVENT_SIZE
, GFP_ATOMIC
);
444 hci_skb_pkt_type(skb
) = HCI_EVENT_PKT
;
445 hci_skb_expect(skb
) = HCI_EVENT_HDR_SIZE
;
448 len
= min_t(uint
, hci_skb_expect(skb
), count
);
449 memcpy(skb_put(skb
, len
), buffer
, len
);
453 hci_skb_expect(skb
) -= len
;
455 if (skb
->len
== HCI_EVENT_HDR_SIZE
) {
456 /* Complete event header */
457 hci_skb_expect(skb
) = hci_event_hdr(skb
)->plen
;
459 if (skb_tailroom(skb
) < hci_skb_expect(skb
)) {
468 if (!hci_skb_expect(skb
)) {
470 data
->recv_event(data
->hdev
, skb
);
476 spin_unlock(&data
->rxlock
);
481 static int btusb_recv_bulk(struct btusb_data
*data
, void *buffer
, int count
)
486 spin_lock(&data
->rxlock
);
493 skb
= bt_skb_alloc(HCI_MAX_FRAME_SIZE
, GFP_ATOMIC
);
499 hci_skb_pkt_type(skb
) = HCI_ACLDATA_PKT
;
500 hci_skb_expect(skb
) = HCI_ACL_HDR_SIZE
;
503 len
= min_t(uint
, hci_skb_expect(skb
), count
);
504 memcpy(skb_put(skb
, len
), buffer
, len
);
508 hci_skb_expect(skb
) -= len
;
510 if (skb
->len
== HCI_ACL_HDR_SIZE
) {
511 __le16 dlen
= hci_acl_hdr(skb
)->dlen
;
513 /* Complete ACL header */
514 hci_skb_expect(skb
) = __le16_to_cpu(dlen
);
516 if (skb_tailroom(skb
) < hci_skb_expect(skb
)) {
525 if (!hci_skb_expect(skb
)) {
527 hci_recv_frame(data
->hdev
, skb
);
533 spin_unlock(&data
->rxlock
);
538 static int btusb_recv_isoc(struct btusb_data
*data
, void *buffer
, int count
)
543 spin_lock(&data
->rxlock
);
550 skb
= bt_skb_alloc(HCI_MAX_SCO_SIZE
, GFP_ATOMIC
);
556 hci_skb_pkt_type(skb
) = HCI_SCODATA_PKT
;
557 hci_skb_expect(skb
) = HCI_SCO_HDR_SIZE
;
560 len
= min_t(uint
, hci_skb_expect(skb
), count
);
561 memcpy(skb_put(skb
, len
), buffer
, len
);
565 hci_skb_expect(skb
) -= len
;
567 if (skb
->len
== HCI_SCO_HDR_SIZE
) {
568 /* Complete SCO header */
569 hci_skb_expect(skb
) = hci_sco_hdr(skb
)->dlen
;
571 if (skb_tailroom(skb
) < hci_skb_expect(skb
)) {
580 if (!hci_skb_expect(skb
)) {
582 hci_recv_frame(data
->hdev
, skb
);
588 spin_unlock(&data
->rxlock
);
593 static void btusb_intr_complete(struct urb
*urb
)
595 struct hci_dev
*hdev
= urb
->context
;
596 struct btusb_data
*data
= hci_get_drvdata(hdev
);
599 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
602 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
605 if (urb
->status
== 0) {
606 hdev
->stat
.byte_rx
+= urb
->actual_length
;
608 if (btusb_recv_intr(data
, urb
->transfer_buffer
,
609 urb
->actual_length
) < 0) {
610 BT_ERR("%s corrupted event packet", hdev
->name
);
613 } else if (urb
->status
== -ENOENT
) {
614 /* Avoid suspend failed when usb_kill_urb */
618 if (!test_bit(BTUSB_INTR_RUNNING
, &data
->flags
))
621 usb_mark_last_busy(data
->udev
);
622 usb_anchor_urb(urb
, &data
->intr_anchor
);
624 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
626 /* -EPERM: urb is being killed;
627 * -ENODEV: device got disconnected */
628 if (err
!= -EPERM
&& err
!= -ENODEV
)
629 BT_ERR("%s urb %p failed to resubmit (%d)",
630 hdev
->name
, urb
, -err
);
631 usb_unanchor_urb(urb
);
635 static int btusb_submit_intr_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
637 struct btusb_data
*data
= hci_get_drvdata(hdev
);
643 BT_DBG("%s", hdev
->name
);
648 urb
= usb_alloc_urb(0, mem_flags
);
652 size
= le16_to_cpu(data
->intr_ep
->wMaxPacketSize
);
654 buf
= kmalloc(size
, mem_flags
);
660 pipe
= usb_rcvintpipe(data
->udev
, data
->intr_ep
->bEndpointAddress
);
662 usb_fill_int_urb(urb
, data
->udev
, pipe
, buf
, size
,
663 btusb_intr_complete
, hdev
, data
->intr_ep
->bInterval
);
665 urb
->transfer_flags
|= URB_FREE_BUFFER
;
667 usb_anchor_urb(urb
, &data
->intr_anchor
);
669 err
= usb_submit_urb(urb
, mem_flags
);
671 if (err
!= -EPERM
&& err
!= -ENODEV
)
672 BT_ERR("%s urb %p submission failed (%d)",
673 hdev
->name
, urb
, -err
);
674 usb_unanchor_urb(urb
);
682 static void btusb_bulk_complete(struct urb
*urb
)
684 struct hci_dev
*hdev
= urb
->context
;
685 struct btusb_data
*data
= hci_get_drvdata(hdev
);
688 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
691 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
694 if (urb
->status
== 0) {
695 hdev
->stat
.byte_rx
+= urb
->actual_length
;
697 if (data
->recv_bulk(data
, urb
->transfer_buffer
,
698 urb
->actual_length
) < 0) {
699 BT_ERR("%s corrupted ACL packet", hdev
->name
);
702 } else if (urb
->status
== -ENOENT
) {
703 /* Avoid suspend failed when usb_kill_urb */
707 if (!test_bit(BTUSB_BULK_RUNNING
, &data
->flags
))
710 usb_anchor_urb(urb
, &data
->bulk_anchor
);
711 usb_mark_last_busy(data
->udev
);
713 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
715 /* -EPERM: urb is being killed;
716 * -ENODEV: device got disconnected */
717 if (err
!= -EPERM
&& err
!= -ENODEV
)
718 BT_ERR("%s urb %p failed to resubmit (%d)",
719 hdev
->name
, urb
, -err
);
720 usb_unanchor_urb(urb
);
724 static int btusb_submit_bulk_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
726 struct btusb_data
*data
= hci_get_drvdata(hdev
);
730 int err
, size
= HCI_MAX_FRAME_SIZE
;
732 BT_DBG("%s", hdev
->name
);
734 if (!data
->bulk_rx_ep
)
737 urb
= usb_alloc_urb(0, mem_flags
);
741 buf
= kmalloc(size
, mem_flags
);
747 pipe
= usb_rcvbulkpipe(data
->udev
, data
->bulk_rx_ep
->bEndpointAddress
);
749 usb_fill_bulk_urb(urb
, data
->udev
, pipe
, buf
, size
,
750 btusb_bulk_complete
, hdev
);
752 urb
->transfer_flags
|= URB_FREE_BUFFER
;
754 usb_mark_last_busy(data
->udev
);
755 usb_anchor_urb(urb
, &data
->bulk_anchor
);
757 err
= usb_submit_urb(urb
, mem_flags
);
759 if (err
!= -EPERM
&& err
!= -ENODEV
)
760 BT_ERR("%s urb %p submission failed (%d)",
761 hdev
->name
, urb
, -err
);
762 usb_unanchor_urb(urb
);
770 static void btusb_isoc_complete(struct urb
*urb
)
772 struct hci_dev
*hdev
= urb
->context
;
773 struct btusb_data
*data
= hci_get_drvdata(hdev
);
776 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
779 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
782 if (urb
->status
== 0) {
783 for (i
= 0; i
< urb
->number_of_packets
; i
++) {
784 unsigned int offset
= urb
->iso_frame_desc
[i
].offset
;
785 unsigned int length
= urb
->iso_frame_desc
[i
].actual_length
;
787 if (urb
->iso_frame_desc
[i
].status
)
790 hdev
->stat
.byte_rx
+= length
;
792 if (btusb_recv_isoc(data
, urb
->transfer_buffer
+ offset
,
794 BT_ERR("%s corrupted SCO packet", hdev
->name
);
798 } else if (urb
->status
== -ENOENT
) {
799 /* Avoid suspend failed when usb_kill_urb */
803 if (!test_bit(BTUSB_ISOC_RUNNING
, &data
->flags
))
806 usb_anchor_urb(urb
, &data
->isoc_anchor
);
808 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
810 /* -EPERM: urb is being killed;
811 * -ENODEV: device got disconnected */
812 if (err
!= -EPERM
&& err
!= -ENODEV
)
813 BT_ERR("%s urb %p failed to resubmit (%d)",
814 hdev
->name
, urb
, -err
);
815 usb_unanchor_urb(urb
);
819 static inline void __fill_isoc_descriptor(struct urb
*urb
, int len
, int mtu
)
823 BT_DBG("len %d mtu %d", len
, mtu
);
825 for (i
= 0; i
< BTUSB_MAX_ISOC_FRAMES
&& len
>= mtu
;
826 i
++, offset
+= mtu
, len
-= mtu
) {
827 urb
->iso_frame_desc
[i
].offset
= offset
;
828 urb
->iso_frame_desc
[i
].length
= mtu
;
831 if (len
&& i
< BTUSB_MAX_ISOC_FRAMES
) {
832 urb
->iso_frame_desc
[i
].offset
= offset
;
833 urb
->iso_frame_desc
[i
].length
= len
;
837 urb
->number_of_packets
= i
;
840 static int btusb_submit_isoc_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
842 struct btusb_data
*data
= hci_get_drvdata(hdev
);
848 BT_DBG("%s", hdev
->name
);
850 if (!data
->isoc_rx_ep
)
853 urb
= usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES
, mem_flags
);
857 size
= le16_to_cpu(data
->isoc_rx_ep
->wMaxPacketSize
) *
858 BTUSB_MAX_ISOC_FRAMES
;
860 buf
= kmalloc(size
, mem_flags
);
866 pipe
= usb_rcvisocpipe(data
->udev
, data
->isoc_rx_ep
->bEndpointAddress
);
868 usb_fill_int_urb(urb
, data
->udev
, pipe
, buf
, size
, btusb_isoc_complete
,
869 hdev
, data
->isoc_rx_ep
->bInterval
);
871 urb
->transfer_flags
= URB_FREE_BUFFER
| URB_ISO_ASAP
;
873 __fill_isoc_descriptor(urb
, size
,
874 le16_to_cpu(data
->isoc_rx_ep
->wMaxPacketSize
));
876 usb_anchor_urb(urb
, &data
->isoc_anchor
);
878 err
= usb_submit_urb(urb
, mem_flags
);
880 if (err
!= -EPERM
&& err
!= -ENODEV
)
881 BT_ERR("%s urb %p submission failed (%d)",
882 hdev
->name
, urb
, -err
);
883 usb_unanchor_urb(urb
);
891 static void btusb_diag_complete(struct urb
*urb
)
893 struct hci_dev
*hdev
= urb
->context
;
894 struct btusb_data
*data
= hci_get_drvdata(hdev
);
897 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
900 if (urb
->status
== 0) {
903 skb
= bt_skb_alloc(urb
->actual_length
, GFP_ATOMIC
);
905 memcpy(skb_put(skb
, urb
->actual_length
),
906 urb
->transfer_buffer
, urb
->actual_length
);
907 hci_recv_diag(hdev
, skb
);
909 } else if (urb
->status
== -ENOENT
) {
910 /* Avoid suspend failed when usb_kill_urb */
914 if (!test_bit(BTUSB_DIAG_RUNNING
, &data
->flags
))
917 usb_anchor_urb(urb
, &data
->diag_anchor
);
918 usb_mark_last_busy(data
->udev
);
920 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
922 /* -EPERM: urb is being killed;
923 * -ENODEV: device got disconnected */
924 if (err
!= -EPERM
&& err
!= -ENODEV
)
925 BT_ERR("%s urb %p failed to resubmit (%d)",
926 hdev
->name
, urb
, -err
);
927 usb_unanchor_urb(urb
);
931 static int btusb_submit_diag_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
933 struct btusb_data
*data
= hci_get_drvdata(hdev
);
937 int err
, size
= HCI_MAX_FRAME_SIZE
;
939 BT_DBG("%s", hdev
->name
);
941 if (!data
->diag_rx_ep
)
944 urb
= usb_alloc_urb(0, mem_flags
);
948 buf
= kmalloc(size
, mem_flags
);
954 pipe
= usb_rcvbulkpipe(data
->udev
, data
->diag_rx_ep
->bEndpointAddress
);
956 usb_fill_bulk_urb(urb
, data
->udev
, pipe
, buf
, size
,
957 btusb_diag_complete
, hdev
);
959 urb
->transfer_flags
|= URB_FREE_BUFFER
;
961 usb_mark_last_busy(data
->udev
);
962 usb_anchor_urb(urb
, &data
->diag_anchor
);
964 err
= usb_submit_urb(urb
, mem_flags
);
966 if (err
!= -EPERM
&& err
!= -ENODEV
)
967 BT_ERR("%s urb %p submission failed (%d)",
968 hdev
->name
, urb
, -err
);
969 usb_unanchor_urb(urb
);
977 static void btusb_tx_complete(struct urb
*urb
)
979 struct sk_buff
*skb
= urb
->context
;
980 struct hci_dev
*hdev
= (struct hci_dev
*)skb
->dev
;
981 struct btusb_data
*data
= hci_get_drvdata(hdev
);
983 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
986 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
990 hdev
->stat
.byte_tx
+= urb
->transfer_buffer_length
;
995 spin_lock(&data
->txlock
);
996 data
->tx_in_flight
--;
997 spin_unlock(&data
->txlock
);
999 kfree(urb
->setup_packet
);
1004 static void btusb_isoc_tx_complete(struct urb
*urb
)
1006 struct sk_buff
*skb
= urb
->context
;
1007 struct hci_dev
*hdev
= (struct hci_dev
*)skb
->dev
;
1009 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
1010 urb
->actual_length
);
1012 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
1016 hdev
->stat
.byte_tx
+= urb
->transfer_buffer_length
;
1018 hdev
->stat
.err_tx
++;
1021 kfree(urb
->setup_packet
);
1026 static int btusb_open(struct hci_dev
*hdev
)
1028 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1031 BT_DBG("%s", hdev
->name
);
1033 /* Patching USB firmware files prior to starting any URBs of HCI path
1034 * It is more safe to use USB bulk channel for downloading USB patch
1036 if (data
->setup_on_usb
) {
1037 err
= data
->setup_on_usb(hdev
);
1042 err
= usb_autopm_get_interface(data
->intf
);
1046 data
->intf
->needs_remote_wakeup
= 1;
1048 if (test_and_set_bit(BTUSB_INTR_RUNNING
, &data
->flags
))
1051 err
= btusb_submit_intr_urb(hdev
, GFP_KERNEL
);
1055 err
= btusb_submit_bulk_urb(hdev
, GFP_KERNEL
);
1057 usb_kill_anchored_urbs(&data
->intr_anchor
);
1061 set_bit(BTUSB_BULK_RUNNING
, &data
->flags
);
1062 btusb_submit_bulk_urb(hdev
, GFP_KERNEL
);
1065 if (!btusb_submit_diag_urb(hdev
, GFP_KERNEL
))
1066 set_bit(BTUSB_DIAG_RUNNING
, &data
->flags
);
1070 usb_autopm_put_interface(data
->intf
);
1074 clear_bit(BTUSB_INTR_RUNNING
, &data
->flags
);
1075 usb_autopm_put_interface(data
->intf
);
1079 static void btusb_stop_traffic(struct btusb_data
*data
)
1081 usb_kill_anchored_urbs(&data
->intr_anchor
);
1082 usb_kill_anchored_urbs(&data
->bulk_anchor
);
1083 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1084 usb_kill_anchored_urbs(&data
->diag_anchor
);
1087 static int btusb_close(struct hci_dev
*hdev
)
1089 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1092 BT_DBG("%s", hdev
->name
);
1094 cancel_work_sync(&data
->work
);
1095 cancel_work_sync(&data
->waker
);
1097 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1098 clear_bit(BTUSB_BULK_RUNNING
, &data
->flags
);
1099 clear_bit(BTUSB_INTR_RUNNING
, &data
->flags
);
1100 clear_bit(BTUSB_DIAG_RUNNING
, &data
->flags
);
1102 btusb_stop_traffic(data
);
1103 btusb_free_frags(data
);
1105 err
= usb_autopm_get_interface(data
->intf
);
1109 data
->intf
->needs_remote_wakeup
= 0;
1110 usb_autopm_put_interface(data
->intf
);
1113 usb_scuttle_anchored_urbs(&data
->deferred
);
1117 static int btusb_flush(struct hci_dev
*hdev
)
1119 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1121 BT_DBG("%s", hdev
->name
);
1123 usb_kill_anchored_urbs(&data
->tx_anchor
);
1124 btusb_free_frags(data
);
1129 static struct urb
*alloc_ctrl_urb(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1131 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1132 struct usb_ctrlrequest
*dr
;
1136 urb
= usb_alloc_urb(0, GFP_KERNEL
);
1138 return ERR_PTR(-ENOMEM
);
1140 dr
= kmalloc(sizeof(*dr
), GFP_KERNEL
);
1143 return ERR_PTR(-ENOMEM
);
1146 dr
->bRequestType
= data
->cmdreq_type
;
1147 dr
->bRequest
= data
->cmdreq
;
1150 dr
->wLength
= __cpu_to_le16(skb
->len
);
1152 pipe
= usb_sndctrlpipe(data
->udev
, 0x00);
1154 usb_fill_control_urb(urb
, data
->udev
, pipe
, (void *)dr
,
1155 skb
->data
, skb
->len
, btusb_tx_complete
, skb
);
1157 skb
->dev
= (void *)hdev
;
1162 static struct urb
*alloc_bulk_urb(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1164 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1168 if (!data
->bulk_tx_ep
)
1169 return ERR_PTR(-ENODEV
);
1171 urb
= usb_alloc_urb(0, GFP_KERNEL
);
1173 return ERR_PTR(-ENOMEM
);
1175 pipe
= usb_sndbulkpipe(data
->udev
, data
->bulk_tx_ep
->bEndpointAddress
);
1177 usb_fill_bulk_urb(urb
, data
->udev
, pipe
,
1178 skb
->data
, skb
->len
, btusb_tx_complete
, skb
);
1180 skb
->dev
= (void *)hdev
;
1185 static struct urb
*alloc_isoc_urb(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1187 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1191 if (!data
->isoc_tx_ep
)
1192 return ERR_PTR(-ENODEV
);
1194 urb
= usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES
, GFP_KERNEL
);
1196 return ERR_PTR(-ENOMEM
);
1198 pipe
= usb_sndisocpipe(data
->udev
, data
->isoc_tx_ep
->bEndpointAddress
);
1200 usb_fill_int_urb(urb
, data
->udev
, pipe
,
1201 skb
->data
, skb
->len
, btusb_isoc_tx_complete
,
1202 skb
, data
->isoc_tx_ep
->bInterval
);
1204 urb
->transfer_flags
= URB_ISO_ASAP
;
1206 __fill_isoc_descriptor(urb
, skb
->len
,
1207 le16_to_cpu(data
->isoc_tx_ep
->wMaxPacketSize
));
1209 skb
->dev
= (void *)hdev
;
1214 static int submit_tx_urb(struct hci_dev
*hdev
, struct urb
*urb
)
1216 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1219 usb_anchor_urb(urb
, &data
->tx_anchor
);
1221 err
= usb_submit_urb(urb
, GFP_KERNEL
);
1223 if (err
!= -EPERM
&& err
!= -ENODEV
)
1224 BT_ERR("%s urb %p submission failed (%d)",
1225 hdev
->name
, urb
, -err
);
1226 kfree(urb
->setup_packet
);
1227 usb_unanchor_urb(urb
);
1229 usb_mark_last_busy(data
->udev
);
1236 static int submit_or_queue_tx_urb(struct hci_dev
*hdev
, struct urb
*urb
)
1238 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1239 unsigned long flags
;
1242 spin_lock_irqsave(&data
->txlock
, flags
);
1243 suspending
= test_bit(BTUSB_SUSPENDING
, &data
->flags
);
1245 data
->tx_in_flight
++;
1246 spin_unlock_irqrestore(&data
->txlock
, flags
);
1249 return submit_tx_urb(hdev
, urb
);
1251 usb_anchor_urb(urb
, &data
->deferred
);
1252 schedule_work(&data
->waker
);
1258 static int btusb_send_frame(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1262 BT_DBG("%s", hdev
->name
);
1264 switch (hci_skb_pkt_type(skb
)) {
1265 case HCI_COMMAND_PKT
:
1266 urb
= alloc_ctrl_urb(hdev
, skb
);
1268 return PTR_ERR(urb
);
1270 hdev
->stat
.cmd_tx
++;
1271 return submit_or_queue_tx_urb(hdev
, urb
);
1273 case HCI_ACLDATA_PKT
:
1274 urb
= alloc_bulk_urb(hdev
, skb
);
1276 return PTR_ERR(urb
);
1278 hdev
->stat
.acl_tx
++;
1279 return submit_or_queue_tx_urb(hdev
, urb
);
1281 case HCI_SCODATA_PKT
:
1282 if (hci_conn_num(hdev
, SCO_LINK
) < 1)
1285 urb
= alloc_isoc_urb(hdev
, skb
);
1287 return PTR_ERR(urb
);
1289 hdev
->stat
.sco_tx
++;
1290 return submit_tx_urb(hdev
, urb
);
1296 static void btusb_notify(struct hci_dev
*hdev
, unsigned int evt
)
1298 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1300 BT_DBG("%s evt %d", hdev
->name
, evt
);
1302 if (hci_conn_num(hdev
, SCO_LINK
) != data
->sco_num
) {
1303 data
->sco_num
= hci_conn_num(hdev
, SCO_LINK
);
1304 schedule_work(&data
->work
);
1308 static inline int __set_isoc_interface(struct hci_dev
*hdev
, int altsetting
)
1310 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1311 struct usb_interface
*intf
= data
->isoc
;
1312 struct usb_endpoint_descriptor
*ep_desc
;
1318 err
= usb_set_interface(data
->udev
, 1, altsetting
);
1320 BT_ERR("%s setting interface failed (%d)", hdev
->name
, -err
);
1324 data
->isoc_altsetting
= altsetting
;
1326 data
->isoc_tx_ep
= NULL
;
1327 data
->isoc_rx_ep
= NULL
;
1329 for (i
= 0; i
< intf
->cur_altsetting
->desc
.bNumEndpoints
; i
++) {
1330 ep_desc
= &intf
->cur_altsetting
->endpoint
[i
].desc
;
1332 if (!data
->isoc_tx_ep
&& usb_endpoint_is_isoc_out(ep_desc
)) {
1333 data
->isoc_tx_ep
= ep_desc
;
1337 if (!data
->isoc_rx_ep
&& usb_endpoint_is_isoc_in(ep_desc
)) {
1338 data
->isoc_rx_ep
= ep_desc
;
1343 if (!data
->isoc_tx_ep
|| !data
->isoc_rx_ep
) {
1344 BT_ERR("%s invalid SCO descriptors", hdev
->name
);
1351 static void btusb_work(struct work_struct
*work
)
1353 struct btusb_data
*data
= container_of(work
, struct btusb_data
, work
);
1354 struct hci_dev
*hdev
= data
->hdev
;
1358 if (data
->sco_num
> 0) {
1359 if (!test_bit(BTUSB_DID_ISO_RESUME
, &data
->flags
)) {
1360 err
= usb_autopm_get_interface(data
->isoc
? data
->isoc
: data
->intf
);
1362 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1363 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1367 set_bit(BTUSB_DID_ISO_RESUME
, &data
->flags
);
1370 if (hdev
->voice_setting
& 0x0020) {
1371 static const int alts
[3] = { 2, 4, 5 };
1373 new_alts
= alts
[data
->sco_num
- 1];
1375 new_alts
= data
->sco_num
;
1378 if (data
->isoc_altsetting
!= new_alts
) {
1379 unsigned long flags
;
1381 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1382 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1384 /* When isochronous alternate setting needs to be
1385 * changed, because SCO connection has been added
1386 * or removed, a packet fragment may be left in the
1387 * reassembling state. This could lead to wrongly
1388 * assembled fragments.
1390 * Clear outstanding fragment when selecting a new
1391 * alternate setting.
1393 spin_lock_irqsave(&data
->rxlock
, flags
);
1394 kfree_skb(data
->sco_skb
);
1395 data
->sco_skb
= NULL
;
1396 spin_unlock_irqrestore(&data
->rxlock
, flags
);
1398 if (__set_isoc_interface(hdev
, new_alts
) < 0)
1402 if (!test_and_set_bit(BTUSB_ISOC_RUNNING
, &data
->flags
)) {
1403 if (btusb_submit_isoc_urb(hdev
, GFP_KERNEL
) < 0)
1404 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1406 btusb_submit_isoc_urb(hdev
, GFP_KERNEL
);
1409 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1410 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1412 __set_isoc_interface(hdev
, 0);
1413 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME
, &data
->flags
))
1414 usb_autopm_put_interface(data
->isoc
? data
->isoc
: data
->intf
);
1418 static void btusb_waker(struct work_struct
*work
)
1420 struct btusb_data
*data
= container_of(work
, struct btusb_data
, waker
);
1423 err
= usb_autopm_get_interface(data
->intf
);
1427 usb_autopm_put_interface(data
->intf
);
1430 static int btusb_setup_bcm92035(struct hci_dev
*hdev
)
1432 struct sk_buff
*skb
;
1435 BT_DBG("%s", hdev
->name
);
1437 skb
= __hci_cmd_sync(hdev
, 0xfc3b, 1, &val
, HCI_INIT_TIMEOUT
);
1439 BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb
));
1446 static int btusb_setup_csr(struct hci_dev
*hdev
)
1448 struct hci_rp_read_local_version
*rp
;
1449 struct sk_buff
*skb
;
1451 BT_DBG("%s", hdev
->name
);
1453 skb
= __hci_cmd_sync(hdev
, HCI_OP_READ_LOCAL_VERSION
, 0, NULL
,
1456 int err
= PTR_ERR(skb
);
1457 BT_ERR("%s: CSR: Local version failed (%d)", hdev
->name
, err
);
1461 if (skb
->len
!= sizeof(struct hci_rp_read_local_version
)) {
1462 BT_ERR("%s: CSR: Local version length mismatch", hdev
->name
);
1467 rp
= (struct hci_rp_read_local_version
*)skb
->data
;
1469 /* Detect controllers which aren't real CSR ones. */
1470 if (le16_to_cpu(rp
->manufacturer
) != 10 ||
1471 le16_to_cpu(rp
->lmp_subver
) == 0x0c5c) {
1472 /* Clear the reset quirk since this is not an actual
1473 * early Bluetooth 1.1 device from CSR.
1475 clear_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
1477 /* These fake CSR controllers have all a broken
1478 * stored link key handling and so just disable it.
1480 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY
, &hdev
->quirks
);
1488 static const struct firmware
*btusb_setup_intel_get_fw(struct hci_dev
*hdev
,
1489 struct intel_version
*ver
)
1491 const struct firmware
*fw
;
1495 snprintf(fwname
, sizeof(fwname
),
1496 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
1497 ver
->hw_platform
, ver
->hw_variant
, ver
->hw_revision
,
1498 ver
->fw_variant
, ver
->fw_revision
, ver
->fw_build_num
,
1499 ver
->fw_build_ww
, ver
->fw_build_yy
);
1501 ret
= request_firmware(&fw
, fwname
, &hdev
->dev
);
1503 if (ret
== -EINVAL
) {
1504 BT_ERR("%s Intel firmware file request failed (%d)",
1509 BT_ERR("%s failed to open Intel firmware file: %s(%d)",
1510 hdev
->name
, fwname
, ret
);
1512 /* If the correct firmware patch file is not found, use the
1513 * default firmware patch file instead
1515 snprintf(fwname
, sizeof(fwname
), "intel/ibt-hw-%x.%x.bseq",
1516 ver
->hw_platform
, ver
->hw_variant
);
1517 if (request_firmware(&fw
, fwname
, &hdev
->dev
) < 0) {
1518 BT_ERR("%s failed to open default Intel fw file: %s",
1519 hdev
->name
, fwname
);
1524 BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev
->name
, fwname
);
1529 static int btusb_setup_intel_patching(struct hci_dev
*hdev
,
1530 const struct firmware
*fw
,
1531 const u8
**fw_ptr
, int *disable_patch
)
1533 struct sk_buff
*skb
;
1534 struct hci_command_hdr
*cmd
;
1535 const u8
*cmd_param
;
1536 struct hci_event_hdr
*evt
= NULL
;
1537 const u8
*evt_param
= NULL
;
1538 int remain
= fw
->size
- (*fw_ptr
- fw
->data
);
1540 /* The first byte indicates the types of the patch command or event.
1541 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
1542 * in the current firmware buffer doesn't start with 0x01 or
1543 * the size of remain buffer is smaller than HCI command header,
1544 * the firmware file is corrupted and it should stop the patching
1547 if (remain
> HCI_COMMAND_HDR_SIZE
&& *fw_ptr
[0] != 0x01) {
1548 BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev
->name
);
1554 cmd
= (struct hci_command_hdr
*)(*fw_ptr
);
1555 *fw_ptr
+= sizeof(*cmd
);
1556 remain
-= sizeof(*cmd
);
1558 /* Ensure that the remain firmware data is long enough than the length
1559 * of command parameter. If not, the firmware file is corrupted.
1561 if (remain
< cmd
->plen
) {
1562 BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev
->name
);
1566 /* If there is a command that loads a patch in the firmware
1567 * file, then enable the patch upon success, otherwise just
1568 * disable the manufacturer mode, for example patch activation
1569 * is not required when the default firmware patch file is used
1570 * because there are no patch data to load.
1572 if (*disable_patch
&& le16_to_cpu(cmd
->opcode
) == 0xfc8e)
1575 cmd_param
= *fw_ptr
;
1576 *fw_ptr
+= cmd
->plen
;
1577 remain
-= cmd
->plen
;
1579 /* This reads the expected events when the above command is sent to the
1580 * device. Some vendor commands expects more than one events, for
1581 * example command status event followed by vendor specific event.
1582 * For this case, it only keeps the last expected event. so the command
1583 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
1584 * last expected event.
1586 while (remain
> HCI_EVENT_HDR_SIZE
&& *fw_ptr
[0] == 0x02) {
1590 evt
= (struct hci_event_hdr
*)(*fw_ptr
);
1591 *fw_ptr
+= sizeof(*evt
);
1592 remain
-= sizeof(*evt
);
1594 if (remain
< evt
->plen
) {
1595 BT_ERR("%s Intel fw corrupted: invalid evt len",
1600 evt_param
= *fw_ptr
;
1601 *fw_ptr
+= evt
->plen
;
1602 remain
-= evt
->plen
;
1605 /* Every HCI commands in the firmware file has its correspond event.
1606 * If event is not found or remain is smaller than zero, the firmware
1607 * file is corrupted.
1609 if (!evt
|| !evt_param
|| remain
< 0) {
1610 BT_ERR("%s Intel fw corrupted: invalid evt read", hdev
->name
);
1614 skb
= __hci_cmd_sync_ev(hdev
, le16_to_cpu(cmd
->opcode
), cmd
->plen
,
1615 cmd_param
, evt
->evt
, HCI_INIT_TIMEOUT
);
1617 BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)",
1618 hdev
->name
, cmd
->opcode
, PTR_ERR(skb
));
1619 return PTR_ERR(skb
);
1622 /* It ensures that the returned event matches the event data read from
1623 * the firmware file. At fist, it checks the length and then
1624 * the contents of the event.
1626 if (skb
->len
!= evt
->plen
) {
1627 BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev
->name
,
1628 le16_to_cpu(cmd
->opcode
));
1633 if (memcmp(skb
->data
, evt_param
, evt
->plen
)) {
1634 BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)",
1635 hdev
->name
, le16_to_cpu(cmd
->opcode
));
1644 static int btusb_setup_intel(struct hci_dev
*hdev
)
1646 struct sk_buff
*skb
;
1647 const struct firmware
*fw
;
1649 int disable_patch
, err
;
1650 struct intel_version ver
;
1652 BT_DBG("%s", hdev
->name
);
1654 /* The controller has a bug with the first HCI command sent to it
1655 * returning number of completed commands as zero. This would stall the
1656 * command processing in the Bluetooth core.
1658 * As a workaround, send HCI Reset command first which will reset the
1659 * number of completed commands and allow normal command processing
1662 skb
= __hci_cmd_sync(hdev
, HCI_OP_RESET
, 0, NULL
, HCI_INIT_TIMEOUT
);
1664 BT_ERR("%s sending initial HCI reset command failed (%ld)",
1665 hdev
->name
, PTR_ERR(skb
));
1666 return PTR_ERR(skb
);
1670 /* Read Intel specific controller version first to allow selection of
1671 * which firmware file to load.
1673 * The returned information are hardware variant and revision plus
1674 * firmware variant, revision and build number.
1676 err
= btintel_read_version(hdev
, &ver
);
1680 BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
1681 hdev
->name
, ver
.hw_platform
, ver
.hw_variant
, ver
.hw_revision
,
1682 ver
.fw_variant
, ver
.fw_revision
, ver
.fw_build_num
,
1683 ver
.fw_build_ww
, ver
.fw_build_yy
, ver
.fw_patch_num
);
1685 /* fw_patch_num indicates the version of patch the device currently
1686 * have. If there is no patch data in the device, it is always 0x00.
1687 * So, if it is other than 0x00, no need to patch the device again.
1689 if (ver
.fw_patch_num
) {
1690 BT_INFO("%s: Intel device is already patched. patch num: %02x",
1691 hdev
->name
, ver
.fw_patch_num
);
1695 /* Opens the firmware patch file based on the firmware version read
1696 * from the controller. If it fails to open the matching firmware
1697 * patch file, it tries to open the default firmware patch file.
1698 * If no patch file is found, allow the device to operate without
1701 fw
= btusb_setup_intel_get_fw(hdev
, &ver
);
1706 /* Enable the manufacturer mode of the controller.
1707 * Only while this mode is enabled, the driver can download the
1708 * firmware patch data and configuration parameters.
1710 err
= btintel_enter_mfg(hdev
);
1712 release_firmware(fw
);
1718 /* The firmware data file consists of list of Intel specific HCI
1719 * commands and its expected events. The first byte indicates the
1720 * type of the message, either HCI command or HCI event.
1722 * It reads the command and its expected event from the firmware file,
1723 * and send to the controller. Once __hci_cmd_sync_ev() returns,
1724 * the returned event is compared with the event read from the firmware
1725 * file and it will continue until all the messages are downloaded to
1728 * Once the firmware patching is completed successfully,
1729 * the manufacturer mode is disabled with reset and activating the
1732 * If the firmware patching fails, the manufacturer mode is
1733 * disabled with reset and deactivating the patch.
1735 * If the default patch file is used, no reset is done when disabling
1738 while (fw
->size
> fw_ptr
- fw
->data
) {
1741 ret
= btusb_setup_intel_patching(hdev
, fw
, &fw_ptr
,
1744 goto exit_mfg_deactivate
;
1747 release_firmware(fw
);
1750 goto exit_mfg_disable
;
1752 /* Patching completed successfully and disable the manufacturer mode
1753 * with reset and activate the downloaded firmware patches.
1755 err
= btintel_exit_mfg(hdev
, true, true);
1759 BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
1765 /* Disable the manufacturer mode without reset */
1766 err
= btintel_exit_mfg(hdev
, false, false);
1770 BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev
->name
);
1774 exit_mfg_deactivate
:
1775 release_firmware(fw
);
1777 /* Patching failed. Disable the manufacturer mode with reset and
1778 * deactivate the downloaded firmware patches.
1780 err
= btintel_exit_mfg(hdev
, true, false);
1784 BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
1788 /* Set the event mask for Intel specific vendor events. This enables
1789 * a few extra events that are useful during general operation.
1791 btintel_set_event_mask_mfg(hdev
, false);
1793 btintel_check_bdaddr(hdev
);
1797 static int inject_cmd_complete(struct hci_dev
*hdev
, __u16 opcode
)
1799 struct sk_buff
*skb
;
1800 struct hci_event_hdr
*hdr
;
1801 struct hci_ev_cmd_complete
*evt
;
1803 skb
= bt_skb_alloc(sizeof(*hdr
) + sizeof(*evt
) + 1, GFP_ATOMIC
);
1807 hdr
= (struct hci_event_hdr
*)skb_put(skb
, sizeof(*hdr
));
1808 hdr
->evt
= HCI_EV_CMD_COMPLETE
;
1809 hdr
->plen
= sizeof(*evt
) + 1;
1811 evt
= (struct hci_ev_cmd_complete
*)skb_put(skb
, sizeof(*evt
));
1813 evt
->opcode
= cpu_to_le16(opcode
);
1815 *skb_put(skb
, 1) = 0x00;
1817 hci_skb_pkt_type(skb
) = HCI_EVENT_PKT
;
1819 return hci_recv_frame(hdev
, skb
);
1822 static int btusb_recv_bulk_intel(struct btusb_data
*data
, void *buffer
,
1825 /* When the device is in bootloader mode, then it can send
1826 * events via the bulk endpoint. These events are treated the
1827 * same way as the ones received from the interrupt endpoint.
1829 if (test_bit(BTUSB_BOOTLOADER
, &data
->flags
))
1830 return btusb_recv_intr(data
, buffer
, count
);
1832 return btusb_recv_bulk(data
, buffer
, count
);
1835 static void btusb_intel_bootup(struct btusb_data
*data
, const void *ptr
,
1838 const struct intel_bootup
*evt
= ptr
;
1840 if (len
!= sizeof(*evt
))
1843 if (test_and_clear_bit(BTUSB_BOOTING
, &data
->flags
)) {
1844 smp_mb__after_atomic();
1845 wake_up_bit(&data
->flags
, BTUSB_BOOTING
);
1849 static void btusb_intel_secure_send_result(struct btusb_data
*data
,
1850 const void *ptr
, unsigned int len
)
1852 const struct intel_secure_send_result
*evt
= ptr
;
1854 if (len
!= sizeof(*evt
))
1858 set_bit(BTUSB_FIRMWARE_FAILED
, &data
->flags
);
1860 if (test_and_clear_bit(BTUSB_DOWNLOADING
, &data
->flags
) &&
1861 test_bit(BTUSB_FIRMWARE_LOADED
, &data
->flags
)) {
1862 smp_mb__after_atomic();
1863 wake_up_bit(&data
->flags
, BTUSB_DOWNLOADING
);
1867 static int btusb_recv_event_intel(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1869 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1871 if (test_bit(BTUSB_BOOTLOADER
, &data
->flags
)) {
1872 struct hci_event_hdr
*hdr
= (void *)skb
->data
;
1874 if (skb
->len
> HCI_EVENT_HDR_SIZE
&& hdr
->evt
== 0xff &&
1876 const void *ptr
= skb
->data
+ HCI_EVENT_HDR_SIZE
+ 1;
1877 unsigned int len
= skb
->len
- HCI_EVENT_HDR_SIZE
- 1;
1879 switch (skb
->data
[2]) {
1881 /* When switching to the operational firmware
1882 * the device sends a vendor specific event
1883 * indicating that the bootup completed.
1885 btusb_intel_bootup(data
, ptr
, len
);
1888 /* When the firmware loading completes the
1889 * device sends out a vendor specific event
1890 * indicating the result of the firmware
1893 btusb_intel_secure_send_result(data
, ptr
, len
);
1899 return hci_recv_frame(hdev
, skb
);
1902 static int btusb_send_frame_intel(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1904 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1907 BT_DBG("%s", hdev
->name
);
1909 switch (hci_skb_pkt_type(skb
)) {
1910 case HCI_COMMAND_PKT
:
1911 if (test_bit(BTUSB_BOOTLOADER
, &data
->flags
)) {
1912 struct hci_command_hdr
*cmd
= (void *)skb
->data
;
1913 __u16 opcode
= le16_to_cpu(cmd
->opcode
);
1915 /* When in bootloader mode and the command 0xfc09
1916 * is received, it needs to be send down the
1917 * bulk endpoint. So allocate a bulk URB instead.
1919 if (opcode
== 0xfc09)
1920 urb
= alloc_bulk_urb(hdev
, skb
);
1922 urb
= alloc_ctrl_urb(hdev
, skb
);
1924 /* When the 0xfc01 command is issued to boot into
1925 * the operational firmware, it will actually not
1926 * send a command complete event. To keep the flow
1927 * control working inject that event here.
1929 if (opcode
== 0xfc01)
1930 inject_cmd_complete(hdev
, opcode
);
1932 urb
= alloc_ctrl_urb(hdev
, skb
);
1935 return PTR_ERR(urb
);
1937 hdev
->stat
.cmd_tx
++;
1938 return submit_or_queue_tx_urb(hdev
, urb
);
1940 case HCI_ACLDATA_PKT
:
1941 urb
= alloc_bulk_urb(hdev
, skb
);
1943 return PTR_ERR(urb
);
1945 hdev
->stat
.acl_tx
++;
1946 return submit_or_queue_tx_urb(hdev
, urb
);
1948 case HCI_SCODATA_PKT
:
1949 if (hci_conn_num(hdev
, SCO_LINK
) < 1)
1952 urb
= alloc_isoc_urb(hdev
, skb
);
1954 return PTR_ERR(urb
);
1956 hdev
->stat
.sco_tx
++;
1957 return submit_tx_urb(hdev
, urb
);
1963 static int btusb_setup_intel_new(struct hci_dev
*hdev
)
1965 static const u8 reset_param
[] = { 0x00, 0x01, 0x00, 0x01,
1966 0x00, 0x08, 0x04, 0x00 };
1967 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1968 struct sk_buff
*skb
;
1969 struct intel_version ver
;
1970 struct intel_boot_params
*params
;
1971 const struct firmware
*fw
;
1975 ktime_t calltime
, delta
, rettime
;
1976 unsigned long long duration
;
1979 BT_DBG("%s", hdev
->name
);
1981 calltime
= ktime_get();
1983 /* Read the Intel version information to determine if the device
1984 * is in bootloader mode or if it already has operational firmware
1987 err
= btintel_read_version(hdev
, &ver
);
1991 /* The hardware platform number has a fixed value of 0x37 and
1992 * for now only accept this single value.
1994 if (ver
.hw_platform
!= 0x37) {
1995 BT_ERR("%s: Unsupported Intel hardware platform (%u)",
1996 hdev
->name
, ver
.hw_platform
);
2000 /* At the moment only the hardware variant iBT 3.0 (LnP/SfP) is
2001 * supported by this firmware loading method. This check has been
2002 * put in place to ensure correct forward compatibility options
2003 * when newer hardware variants come along.
2005 if (ver
.hw_variant
!= 0x0b) {
2006 BT_ERR("%s: Unsupported Intel hardware variant (%u)",
2007 hdev
->name
, ver
.hw_variant
);
2011 btintel_version_info(hdev
, &ver
);
2013 /* The firmware variant determines if the device is in bootloader
2014 * mode or is running operational firmware. The value 0x06 identifies
2015 * the bootloader and the value 0x23 identifies the operational
2018 * When the operational firmware is already present, then only
2019 * the check for valid Bluetooth device address is needed. This
2020 * determines if the device will be added as configured or
2021 * unconfigured controller.
2023 * It is not possible to use the Secure Boot Parameters in this
2024 * case since that command is only available in bootloader mode.
2026 if (ver
.fw_variant
== 0x23) {
2027 clear_bit(BTUSB_BOOTLOADER
, &data
->flags
);
2028 btintel_check_bdaddr(hdev
);
2032 /* If the device is not in bootloader mode, then the only possible
2033 * choice is to return an error and abort the device initialization.
2035 if (ver
.fw_variant
!= 0x06) {
2036 BT_ERR("%s: Unsupported Intel firmware variant (%u)",
2037 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
;
2059 BT_INFO("%s: Device revision is %u", hdev
->name
,
2060 le16_to_cpu(params
->dev_revid
));
2062 BT_INFO("%s: Secure boot is %s", hdev
->name
,
2063 params
->secure_boot
? "enabled" : "disabled");
2065 BT_INFO("%s: OTP lock is %s", hdev
->name
,
2066 params
->otp_lock
? "enabled" : "disabled");
2068 BT_INFO("%s: API lock is %s", hdev
->name
,
2069 params
->api_lock
? "enabled" : "disabled");
2071 BT_INFO("%s: Debug lock is %s", hdev
->name
,
2072 params
->debug_lock
? "enabled" : "disabled");
2074 BT_INFO("%s: Minimum firmware build %u week %u %u", hdev
->name
,
2075 params
->min_fw_build_nn
, params
->min_fw_build_cw
,
2076 2000 + params
->min_fw_build_yy
);
2078 /* It is required that every single firmware fragment is acknowledged
2079 * with a command complete event. If the boot parameters indicate
2080 * that this bootloader does not send them, then abort the setup.
2082 if (params
->limited_cce
!= 0x00) {
2083 BT_ERR("%s: Unsupported Intel firmware loading method (%u)",
2084 hdev
->name
, params
->limited_cce
);
2089 /* If the OTP has no valid Bluetooth device address, then there will
2090 * also be no valid address for the operational firmware.
2092 if (!bacmp(¶ms
->otp_bdaddr
, BDADDR_ANY
)) {
2093 BT_INFO("%s: No device address configured", hdev
->name
);
2094 set_bit(HCI_QUIRK_INVALID_BDADDR
, &hdev
->quirks
);
2097 /* With this Intel bootloader only the hardware variant and device
2098 * revision information are used to select the right firmware.
2100 * Currently this bootloader support is limited to hardware variant
2101 * iBT 3.0 (LnP/SfP) which is identified by the value 11 (0x0b).
2103 snprintf(fwname
, sizeof(fwname
), "intel/ibt-11-%u.sfi",
2104 le16_to_cpu(params
->dev_revid
));
2106 err
= request_firmware(&fw
, fwname
, &hdev
->dev
);
2108 BT_ERR("%s: Failed to load Intel firmware file (%d)",
2114 BT_INFO("%s: Found device firmware: %s", hdev
->name
, fwname
);
2116 /* Save the DDC file name for later use to apply once the firmware
2117 * downloading is done.
2119 snprintf(fwname
, sizeof(fwname
), "intel/ibt-11-%u.ddc",
2120 le16_to_cpu(params
->dev_revid
));
2124 if (fw
->size
< 644) {
2125 BT_ERR("%s: Invalid size of firmware file (%zu)",
2126 hdev
->name
, fw
->size
);
2131 set_bit(BTUSB_DOWNLOADING
, &data
->flags
);
2133 /* Start the firmware download transaction with the Init fragment
2134 * represented by the 128 bytes of CSS header.
2136 err
= btintel_secure_send(hdev
, 0x00, 128, fw
->data
);
2138 BT_ERR("%s: Failed to send firmware header (%d)",
2143 /* Send the 256 bytes of public key information from the firmware
2144 * as the PKey fragment.
2146 err
= btintel_secure_send(hdev
, 0x03, 256, fw
->data
+ 128);
2148 BT_ERR("%s: Failed to send firmware public key (%d)",
2153 /* Send the 256 bytes of signature information from the firmware
2154 * as the Sign fragment.
2156 err
= btintel_secure_send(hdev
, 0x02, 256, fw
->data
+ 388);
2158 BT_ERR("%s: Failed to send firmware signature (%d)",
2163 fw_ptr
= fw
->data
+ 644;
2166 while (fw_ptr
- fw
->data
< fw
->size
) {
2167 struct hci_command_hdr
*cmd
= (void *)(fw_ptr
+ frag_len
);
2169 frag_len
+= sizeof(*cmd
) + cmd
->plen
;
2171 /* The parameter length of the secure send command requires
2172 * a 4 byte alignment. It happens so that the firmware file
2173 * contains proper Intel_NOP commands to align the fragments
2176 * Send set of commands with 4 byte alignment from the
2177 * firmware data buffer as a single Data fragement.
2179 if (!(frag_len
% 4)) {
2180 err
= btintel_secure_send(hdev
, 0x01, frag_len
, fw_ptr
);
2182 BT_ERR("%s: Failed to send firmware data (%d)",
2192 set_bit(BTUSB_FIRMWARE_LOADED
, &data
->flags
);
2194 BT_INFO("%s: Waiting for firmware download to complete", hdev
->name
);
2196 /* Before switching the device into operational mode and with that
2197 * booting the loaded firmware, wait for the bootloader notification
2198 * that all fragments have been successfully received.
2200 * When the event processing receives the notification, then the
2201 * BTUSB_DOWNLOADING flag will be cleared.
2203 * The firmware loading should not take longer than 5 seconds
2204 * and thus just timeout if that happens and fail the setup
2207 err
= wait_on_bit_timeout(&data
->flags
, BTUSB_DOWNLOADING
,
2209 msecs_to_jiffies(5000));
2211 BT_ERR("%s: Firmware loading interrupted", hdev
->name
);
2217 BT_ERR("%s: Firmware loading timeout", hdev
->name
);
2222 if (test_bit(BTUSB_FIRMWARE_FAILED
, &data
->flags
)) {
2223 BT_ERR("%s: Firmware loading failed", hdev
->name
);
2228 rettime
= ktime_get();
2229 delta
= ktime_sub(rettime
, calltime
);
2230 duration
= (unsigned long long) ktime_to_ns(delta
) >> 10;
2232 BT_INFO("%s: Firmware loaded in %llu usecs", hdev
->name
, duration
);
2235 release_firmware(fw
);
2240 calltime
= ktime_get();
2242 set_bit(BTUSB_BOOTING
, &data
->flags
);
2244 skb
= __hci_cmd_sync(hdev
, 0xfc01, sizeof(reset_param
), reset_param
,
2247 return PTR_ERR(skb
);
2251 /* The bootloader will not indicate when the device is ready. This
2252 * is done by the operational firmware sending bootup notification.
2254 * Booting into operational firmware should not take longer than
2255 * 1 second. However if that happens, then just fail the setup
2256 * since something went wrong.
2258 BT_INFO("%s: Waiting for device to boot", hdev
->name
);
2260 err
= wait_on_bit_timeout(&data
->flags
, BTUSB_BOOTING
,
2262 msecs_to_jiffies(1000));
2265 BT_ERR("%s: Device boot interrupted", hdev
->name
);
2270 BT_ERR("%s: Device boot timeout", hdev
->name
);
2274 rettime
= ktime_get();
2275 delta
= ktime_sub(rettime
, calltime
);
2276 duration
= (unsigned long long) ktime_to_ns(delta
) >> 10;
2278 BT_INFO("%s: Device booted in %llu usecs", hdev
->name
, duration
);
2280 clear_bit(BTUSB_BOOTLOADER
, &data
->flags
);
2282 /* Once the device is running in operational mode, it needs to apply
2283 * the device configuration (DDC) parameters.
2285 * The device can work without DDC parameters, so even if it fails
2286 * to load the file, no need to fail the setup.
2288 btintel_load_ddc_config(hdev
, fwname
);
2290 /* Set the event mask for Intel specific vendor events. This enables
2291 * a few extra events that are useful during general operation. It
2292 * does not enable any debugging related events.
2294 * The device will function correctly without these events enabled
2295 * and thus no need to fail the setup.
2297 btintel_set_event_mask(hdev
, false);
2302 static int btusb_shutdown_intel(struct hci_dev
*hdev
)
2304 struct sk_buff
*skb
;
2307 /* Some platforms have an issue with BT LED when the interface is
2308 * down or BT radio is turned off, which takes 5 seconds to BT LED
2309 * goes off. This command turns off the BT LED immediately.
2311 skb
= __hci_cmd_sync(hdev
, 0xfc3f, 0, NULL
, HCI_INIT_TIMEOUT
);
2314 BT_ERR("%s: turning off Intel device LED failed (%ld)",
2323 static int btusb_set_bdaddr_marvell(struct hci_dev
*hdev
,
2324 const bdaddr_t
*bdaddr
)
2326 struct sk_buff
*skb
;
2331 buf
[1] = sizeof(bdaddr_t
);
2332 memcpy(buf
+ 2, bdaddr
, sizeof(bdaddr_t
));
2334 skb
= __hci_cmd_sync(hdev
, 0xfc22, sizeof(buf
), buf
, HCI_INIT_TIMEOUT
);
2337 BT_ERR("%s: changing Marvell device address failed (%ld)",
2346 static int btusb_set_bdaddr_ath3012(struct hci_dev
*hdev
,
2347 const bdaddr_t
*bdaddr
)
2349 struct sk_buff
*skb
;
2356 buf
[3] = sizeof(bdaddr_t
);
2357 memcpy(buf
+ 4, bdaddr
, sizeof(bdaddr_t
));
2359 skb
= __hci_cmd_sync(hdev
, 0xfc0b, sizeof(buf
), buf
, HCI_INIT_TIMEOUT
);
2362 BT_ERR("%s: Change address command failed (%ld)",
2371 #define QCA_DFU_PACKET_LEN 4096
2373 #define QCA_GET_TARGET_VERSION 0x09
2374 #define QCA_CHECK_STATUS 0x05
2375 #define QCA_DFU_DOWNLOAD 0x01
2377 #define QCA_SYSCFG_UPDATED 0x40
2378 #define QCA_PATCH_UPDATED 0x80
2379 #define QCA_DFU_TIMEOUT 3000
2381 struct qca_version
{
2383 __le32 patch_version
;
2389 struct qca_rampatch_version
{
2391 __le16 patch_version
;
2394 struct qca_device_info
{
2396 u8 rampatch_hdr
; /* length of header in rampatch */
2397 u8 nvm_hdr
; /* length of header in NVM */
2398 u8 ver_offset
; /* offset of version structure in rampatch */
2401 static const struct qca_device_info qca_devices_table
[] = {
2402 { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */
2403 { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
2404 { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
2405 { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
2406 { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
2407 { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
2410 static int btusb_qca_send_vendor_req(struct hci_dev
*hdev
, u8 request
,
2411 void *data
, u16 size
)
2413 struct btusb_data
*btdata
= hci_get_drvdata(hdev
);
2414 struct usb_device
*udev
= btdata
->udev
;
2418 buf
= kmalloc(size
, GFP_KERNEL
);
2422 /* Found some of USB hosts have IOT issues with ours so that we should
2423 * not wait until HCI layer is ready.
2425 pipe
= usb_rcvctrlpipe(udev
, 0);
2426 err
= usb_control_msg(udev
, pipe
, request
, USB_TYPE_VENDOR
| USB_DIR_IN
,
2427 0, 0, buf
, size
, USB_CTRL_SET_TIMEOUT
);
2429 BT_ERR("%s: Failed to access otp area (%d)", hdev
->name
, err
);
2433 memcpy(data
, buf
, size
);
2441 static int btusb_setup_qca_download_fw(struct hci_dev
*hdev
,
2442 const struct firmware
*firmware
,
2445 struct btusb_data
*btdata
= hci_get_drvdata(hdev
);
2446 struct usb_device
*udev
= btdata
->udev
;
2447 size_t count
, size
, sent
= 0;
2451 buf
= kmalloc(QCA_DFU_PACKET_LEN
, GFP_KERNEL
);
2455 count
= firmware
->size
;
2457 size
= min_t(size_t, count
, hdr_size
);
2458 memcpy(buf
, firmware
->data
, size
);
2460 /* USB patches should go down to controller through USB path
2461 * because binary format fits to go down through USB channel.
2462 * USB control path is for patching headers and USB bulk is for
2465 pipe
= usb_sndctrlpipe(udev
, 0);
2466 err
= usb_control_msg(udev
, pipe
, QCA_DFU_DOWNLOAD
, USB_TYPE_VENDOR
,
2467 0, 0, buf
, size
, USB_CTRL_SET_TIMEOUT
);
2469 BT_ERR("%s: Failed to send headers (%d)", hdev
->name
, err
);
2477 size
= min_t(size_t, count
, QCA_DFU_PACKET_LEN
);
2479 memcpy(buf
, firmware
->data
+ sent
, size
);
2481 pipe
= usb_sndbulkpipe(udev
, 0x02);
2482 err
= usb_bulk_msg(udev
, pipe
, buf
, size
, &len
,
2485 BT_ERR("%s: Failed to send body at %zd of %zd (%d)",
2486 hdev
->name
, sent
, firmware
->size
, err
);
2491 BT_ERR("%s: Failed to get bulk buffer", hdev
->name
);
2505 static int btusb_setup_qca_load_rampatch(struct hci_dev
*hdev
,
2506 struct qca_version
*ver
,
2507 const struct qca_device_info
*info
)
2509 struct qca_rampatch_version
*rver
;
2510 const struct firmware
*fw
;
2511 u32 ver_rom
, ver_patch
;
2512 u16 rver_rom
, rver_patch
;
2516 ver_rom
= le32_to_cpu(ver
->rom_version
);
2517 ver_patch
= le32_to_cpu(ver
->patch_version
);
2519 snprintf(fwname
, sizeof(fwname
), "qca/rampatch_usb_%08x.bin", ver_rom
);
2521 err
= request_firmware(&fw
, fwname
, &hdev
->dev
);
2523 BT_ERR("%s: failed to request rampatch file: %s (%d)",
2524 hdev
->name
, fwname
, err
);
2528 BT_INFO("%s: using rampatch file: %s", hdev
->name
, fwname
);
2530 rver
= (struct qca_rampatch_version
*)(fw
->data
+ info
->ver_offset
);
2531 rver_rom
= le16_to_cpu(rver
->rom_version
);
2532 rver_patch
= le16_to_cpu(rver
->patch_version
);
2534 BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x "
2535 "build 0x%x", hdev
->name
, rver_rom
, rver_patch
, ver_rom
,
2538 if (rver_rom
!= ver_rom
|| rver_patch
<= ver_patch
) {
2539 BT_ERR("%s: rampatch file version did not match with firmware",
2545 err
= btusb_setup_qca_download_fw(hdev
, fw
, info
->rampatch_hdr
);
2548 release_firmware(fw
);
2553 static int btusb_setup_qca_load_nvm(struct hci_dev
*hdev
,
2554 struct qca_version
*ver
,
2555 const struct qca_device_info
*info
)
2557 const struct firmware
*fw
;
2561 snprintf(fwname
, sizeof(fwname
), "qca/nvm_usb_%08x.bin",
2562 le32_to_cpu(ver
->rom_version
));
2564 err
= request_firmware(&fw
, fwname
, &hdev
->dev
);
2566 BT_ERR("%s: failed to request NVM file: %s (%d)",
2567 hdev
->name
, fwname
, err
);
2571 BT_INFO("%s: using NVM file: %s", hdev
->name
, fwname
);
2573 err
= btusb_setup_qca_download_fw(hdev
, fw
, info
->nvm_hdr
);
2575 release_firmware(fw
);
2580 static int btusb_setup_qca(struct hci_dev
*hdev
)
2582 const struct qca_device_info
*info
= NULL
;
2583 struct qca_version ver
;
2588 err
= btusb_qca_send_vendor_req(hdev
, QCA_GET_TARGET_VERSION
, &ver
,
2593 ver_rom
= le32_to_cpu(ver
.rom_version
);
2594 for (i
= 0; i
< ARRAY_SIZE(qca_devices_table
); i
++) {
2595 if (ver_rom
== qca_devices_table
[i
].rom_version
)
2596 info
= &qca_devices_table
[i
];
2599 BT_ERR("%s: don't support firmware rome 0x%x", hdev
->name
,
2604 err
= btusb_qca_send_vendor_req(hdev
, QCA_CHECK_STATUS
, &status
,
2609 if (!(status
& QCA_PATCH_UPDATED
)) {
2610 err
= btusb_setup_qca_load_rampatch(hdev
, &ver
, info
);
2615 if (!(status
& QCA_SYSCFG_UPDATED
)) {
2616 err
= btusb_setup_qca_load_nvm(hdev
, &ver
, info
);
2624 #ifdef CONFIG_BT_HCIBTUSB_BCM
2625 static inline int __set_diag_interface(struct hci_dev
*hdev
)
2627 struct btusb_data
*data
= hci_get_drvdata(hdev
);
2628 struct usb_interface
*intf
= data
->diag
;
2634 data
->diag_tx_ep
= NULL
;
2635 data
->diag_rx_ep
= NULL
;
2637 for (i
= 0; i
< intf
->cur_altsetting
->desc
.bNumEndpoints
; i
++) {
2638 struct usb_endpoint_descriptor
*ep_desc
;
2640 ep_desc
= &intf
->cur_altsetting
->endpoint
[i
].desc
;
2642 if (!data
->diag_tx_ep
&& usb_endpoint_is_bulk_out(ep_desc
)) {
2643 data
->diag_tx_ep
= ep_desc
;
2647 if (!data
->diag_rx_ep
&& usb_endpoint_is_bulk_in(ep_desc
)) {
2648 data
->diag_rx_ep
= ep_desc
;
2653 if (!data
->diag_tx_ep
|| !data
->diag_rx_ep
) {
2654 BT_ERR("%s invalid diagnostic descriptors", hdev
->name
);
2661 static struct urb
*alloc_diag_urb(struct hci_dev
*hdev
, bool enable
)
2663 struct btusb_data
*data
= hci_get_drvdata(hdev
);
2664 struct sk_buff
*skb
;
2668 if (!data
->diag_tx_ep
)
2669 return ERR_PTR(-ENODEV
);
2671 urb
= usb_alloc_urb(0, GFP_KERNEL
);
2673 return ERR_PTR(-ENOMEM
);
2675 skb
= bt_skb_alloc(2, GFP_KERNEL
);
2678 return ERR_PTR(-ENOMEM
);
2681 *skb_put(skb
, 1) = 0xf0;
2682 *skb_put(skb
, 1) = enable
;
2684 pipe
= usb_sndbulkpipe(data
->udev
, data
->diag_tx_ep
->bEndpointAddress
);
2686 usb_fill_bulk_urb(urb
, data
->udev
, pipe
,
2687 skb
->data
, skb
->len
, btusb_tx_complete
, skb
);
2689 skb
->dev
= (void *)hdev
;
2694 static int btusb_bcm_set_diag(struct hci_dev
*hdev
, bool enable
)
2696 struct btusb_data
*data
= hci_get_drvdata(hdev
);
2702 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
2705 urb
= alloc_diag_urb(hdev
, enable
);
2707 return PTR_ERR(urb
);
2709 return submit_or_queue_tx_urb(hdev
, urb
);
2713 static int btusb_probe(struct usb_interface
*intf
,
2714 const struct usb_device_id
*id
)
2716 struct usb_endpoint_descriptor
*ep_desc
;
2717 struct btusb_data
*data
;
2718 struct hci_dev
*hdev
;
2719 unsigned ifnum_base
;
2722 BT_DBG("intf %p id %p", intf
, id
);
2724 /* interface numbers are hardcoded in the spec */
2725 if (intf
->cur_altsetting
->desc
.bInterfaceNumber
!= 0) {
2726 if (!(id
->driver_info
& BTUSB_IFNUM_2
))
2728 if (intf
->cur_altsetting
->desc
.bInterfaceNumber
!= 2)
2732 ifnum_base
= intf
->cur_altsetting
->desc
.bInterfaceNumber
;
2734 if (!id
->driver_info
) {
2735 const struct usb_device_id
*match
;
2737 match
= usb_match_id(intf
, blacklist_table
);
2742 if (id
->driver_info
== BTUSB_IGNORE
)
2745 if (id
->driver_info
& BTUSB_ATH3012
) {
2746 struct usb_device
*udev
= interface_to_usbdev(intf
);
2748 /* Old firmware would otherwise let ath3k driver load
2749 * patch and sysconfig files */
2750 if (le16_to_cpu(udev
->descriptor
.bcdDevice
) <= 0x0001)
2754 data
= devm_kzalloc(&intf
->dev
, sizeof(*data
), GFP_KERNEL
);
2758 for (i
= 0; i
< intf
->cur_altsetting
->desc
.bNumEndpoints
; i
++) {
2759 ep_desc
= &intf
->cur_altsetting
->endpoint
[i
].desc
;
2761 if (!data
->intr_ep
&& usb_endpoint_is_int_in(ep_desc
)) {
2762 data
->intr_ep
= ep_desc
;
2766 if (!data
->bulk_tx_ep
&& usb_endpoint_is_bulk_out(ep_desc
)) {
2767 data
->bulk_tx_ep
= ep_desc
;
2771 if (!data
->bulk_rx_ep
&& usb_endpoint_is_bulk_in(ep_desc
)) {
2772 data
->bulk_rx_ep
= ep_desc
;
2777 if (!data
->intr_ep
|| !data
->bulk_tx_ep
|| !data
->bulk_rx_ep
)
2780 if (id
->driver_info
& BTUSB_AMP
) {
2781 data
->cmdreq_type
= USB_TYPE_CLASS
| 0x01;
2782 data
->cmdreq
= 0x2b;
2784 data
->cmdreq_type
= USB_TYPE_CLASS
;
2785 data
->cmdreq
= 0x00;
2788 data
->udev
= interface_to_usbdev(intf
);
2791 INIT_WORK(&data
->work
, btusb_work
);
2792 INIT_WORK(&data
->waker
, btusb_waker
);
2793 init_usb_anchor(&data
->deferred
);
2794 init_usb_anchor(&data
->tx_anchor
);
2795 spin_lock_init(&data
->txlock
);
2797 init_usb_anchor(&data
->intr_anchor
);
2798 init_usb_anchor(&data
->bulk_anchor
);
2799 init_usb_anchor(&data
->isoc_anchor
);
2800 init_usb_anchor(&data
->diag_anchor
);
2801 spin_lock_init(&data
->rxlock
);
2803 if (id
->driver_info
& BTUSB_INTEL_NEW
) {
2804 data
->recv_event
= btusb_recv_event_intel
;
2805 data
->recv_bulk
= btusb_recv_bulk_intel
;
2806 set_bit(BTUSB_BOOTLOADER
, &data
->flags
);
2808 data
->recv_event
= hci_recv_frame
;
2809 data
->recv_bulk
= btusb_recv_bulk
;
2812 hdev
= hci_alloc_dev();
2816 hdev
->bus
= HCI_USB
;
2817 hci_set_drvdata(hdev
, data
);
2819 if (id
->driver_info
& BTUSB_AMP
)
2820 hdev
->dev_type
= HCI_AMP
;
2822 hdev
->dev_type
= HCI_BREDR
;
2826 SET_HCIDEV_DEV(hdev
, &intf
->dev
);
2828 hdev
->open
= btusb_open
;
2829 hdev
->close
= btusb_close
;
2830 hdev
->flush
= btusb_flush
;
2831 hdev
->send
= btusb_send_frame
;
2832 hdev
->notify
= btusb_notify
;
2834 if (id
->driver_info
& BTUSB_BCM2045
)
2835 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY
, &hdev
->quirks
);
2837 if (id
->driver_info
& BTUSB_BCM92035
)
2838 hdev
->setup
= btusb_setup_bcm92035
;
2840 #ifdef CONFIG_BT_HCIBTUSB_BCM
2841 if (id
->driver_info
& BTUSB_BCM_PATCHRAM
) {
2842 hdev
->manufacturer
= 15;
2843 hdev
->setup
= btbcm_setup_patchram
;
2844 hdev
->set_diag
= btusb_bcm_set_diag
;
2845 hdev
->set_bdaddr
= btbcm_set_bdaddr
;
2847 /* Broadcom LM_DIAG Interface numbers are hardcoded */
2848 data
->diag
= usb_ifnum_to_if(data
->udev
, ifnum_base
+ 2);
2851 if (id
->driver_info
& BTUSB_BCM_APPLE
) {
2852 hdev
->manufacturer
= 15;
2853 hdev
->setup
= btbcm_setup_apple
;
2854 hdev
->set_diag
= btusb_bcm_set_diag
;
2856 /* Broadcom LM_DIAG Interface numbers are hardcoded */
2857 data
->diag
= usb_ifnum_to_if(data
->udev
, ifnum_base
+ 2);
2861 if (id
->driver_info
& BTUSB_INTEL
) {
2862 hdev
->manufacturer
= 2;
2863 hdev
->setup
= btusb_setup_intel
;
2864 hdev
->shutdown
= btusb_shutdown_intel
;
2865 hdev
->set_diag
= btintel_set_diag_mfg
;
2866 hdev
->set_bdaddr
= btintel_set_bdaddr
;
2867 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
2868 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY
, &hdev
->quirks
);
2869 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG
, &hdev
->quirks
);
2872 if (id
->driver_info
& BTUSB_INTEL_NEW
) {
2873 hdev
->manufacturer
= 2;
2874 hdev
->send
= btusb_send_frame_intel
;
2875 hdev
->setup
= btusb_setup_intel_new
;
2876 hdev
->hw_error
= btintel_hw_error
;
2877 hdev
->set_diag
= btintel_set_diag
;
2878 hdev
->set_bdaddr
= btintel_set_bdaddr
;
2879 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
2880 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG
, &hdev
->quirks
);
2883 if (id
->driver_info
& BTUSB_MARVELL
)
2884 hdev
->set_bdaddr
= btusb_set_bdaddr_marvell
;
2886 if (id
->driver_info
& BTUSB_SWAVE
) {
2887 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE
, &hdev
->quirks
);
2888 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS
, &hdev
->quirks
);
2891 if (id
->driver_info
& BTUSB_INTEL_BOOT
) {
2892 hdev
->manufacturer
= 2;
2893 set_bit(HCI_QUIRK_RAW_DEVICE
, &hdev
->quirks
);
2896 if (id
->driver_info
& BTUSB_ATH3012
) {
2897 hdev
->set_bdaddr
= btusb_set_bdaddr_ath3012
;
2898 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY
, &hdev
->quirks
);
2899 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
2902 if (id
->driver_info
& BTUSB_QCA_ROME
) {
2903 data
->setup_on_usb
= btusb_setup_qca
;
2904 hdev
->set_bdaddr
= btusb_set_bdaddr_ath3012
;
2907 #ifdef CONFIG_BT_HCIBTUSB_RTL
2908 if (id
->driver_info
& BTUSB_REALTEK
) {
2909 hdev
->setup
= btrtl_setup_realtek
;
2911 /* Realtek devices lose their updated firmware over suspend,
2912 * but the USB hub doesn't notice any status change.
2913 * Explicitly request a device reset on resume.
2915 set_bit(BTUSB_RESET_RESUME
, &data
->flags
);
2919 if (id
->driver_info
& BTUSB_AMP
) {
2920 /* AMP controllers do not support SCO packets */
2923 /* Interface orders are hardcoded in the specification */
2924 data
->isoc
= usb_ifnum_to_if(data
->udev
, ifnum_base
+ 1);
2928 set_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
2930 if (force_scofix
|| id
->driver_info
& BTUSB_WRONG_SCO_MTU
) {
2931 if (!disable_scofix
)
2932 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE
, &hdev
->quirks
);
2935 if (id
->driver_info
& BTUSB_BROKEN_ISOC
)
2938 if (id
->driver_info
& BTUSB_DIGIANSWER
) {
2939 data
->cmdreq_type
= USB_TYPE_VENDOR
;
2940 set_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
2943 if (id
->driver_info
& BTUSB_CSR
) {
2944 struct usb_device
*udev
= data
->udev
;
2945 u16 bcdDevice
= le16_to_cpu(udev
->descriptor
.bcdDevice
);
2947 /* Old firmware would otherwise execute USB reset */
2948 if (bcdDevice
< 0x117)
2949 set_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
2951 /* Fake CSR devices with broken commands */
2952 if (bcdDevice
<= 0x100 || bcdDevice
== 0x134)
2953 hdev
->setup
= btusb_setup_csr
;
2955 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY
, &hdev
->quirks
);
2958 if (id
->driver_info
& BTUSB_SNIFFER
) {
2959 struct usb_device
*udev
= data
->udev
;
2961 /* New sniffer firmware has crippled HCI interface */
2962 if (le16_to_cpu(udev
->descriptor
.bcdDevice
) > 0x997)
2963 set_bit(HCI_QUIRK_RAW_DEVICE
, &hdev
->quirks
);
2966 if (id
->driver_info
& BTUSB_INTEL_BOOT
) {
2967 /* A bug in the bootloader causes that interrupt interface is
2968 * only enabled after receiving SetInterface(0, AltSetting=0).
2970 err
= usb_set_interface(data
->udev
, 0, 0);
2972 BT_ERR("failed to set interface 0, alt 0 %d", err
);
2979 err
= usb_driver_claim_interface(&btusb_driver
,
2987 #ifdef CONFIG_BT_HCIBTUSB_BCM
2989 if (!usb_driver_claim_interface(&btusb_driver
,
2991 __set_diag_interface(hdev
);
2997 err
= hci_register_dev(hdev
);
3003 usb_set_intfdata(intf
, data
);
3008 static void btusb_disconnect(struct usb_interface
*intf
)
3010 struct btusb_data
*data
= usb_get_intfdata(intf
);
3011 struct hci_dev
*hdev
;
3013 BT_DBG("intf %p", intf
);
3019 usb_set_intfdata(data
->intf
, NULL
);
3022 usb_set_intfdata(data
->isoc
, NULL
);
3025 usb_set_intfdata(data
->diag
, NULL
);
3027 hci_unregister_dev(hdev
);
3029 if (intf
== data
->intf
) {
3031 usb_driver_release_interface(&btusb_driver
, data
->isoc
);
3033 usb_driver_release_interface(&btusb_driver
, data
->diag
);
3034 } else if (intf
== data
->isoc
) {
3036 usb_driver_release_interface(&btusb_driver
, data
->diag
);
3037 usb_driver_release_interface(&btusb_driver
, data
->intf
);
3038 } else if (intf
== data
->diag
) {
3039 usb_driver_release_interface(&btusb_driver
, data
->intf
);
3041 usb_driver_release_interface(&btusb_driver
, data
->isoc
);
3048 static int btusb_suspend(struct usb_interface
*intf
, pm_message_t message
)
3050 struct btusb_data
*data
= usb_get_intfdata(intf
);
3052 BT_DBG("intf %p", intf
);
3054 if (data
->suspend_count
++)
3057 spin_lock_irq(&data
->txlock
);
3058 if (!(PMSG_IS_AUTO(message
) && data
->tx_in_flight
)) {
3059 set_bit(BTUSB_SUSPENDING
, &data
->flags
);
3060 spin_unlock_irq(&data
->txlock
);
3062 spin_unlock_irq(&data
->txlock
);
3063 data
->suspend_count
--;
3067 cancel_work_sync(&data
->work
);
3069 btusb_stop_traffic(data
);
3070 usb_kill_anchored_urbs(&data
->tx_anchor
);
3072 /* Optionally request a device reset on resume, but only when
3073 * wakeups are disabled. If wakeups are enabled we assume the
3074 * device will stay powered up throughout suspend.
3076 if (test_bit(BTUSB_RESET_RESUME
, &data
->flags
) &&
3077 !device_may_wakeup(&data
->udev
->dev
))
3078 data
->udev
->reset_resume
= 1;
3083 static void play_deferred(struct btusb_data
*data
)
3088 while ((urb
= usb_get_from_anchor(&data
->deferred
))) {
3089 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
3093 data
->tx_in_flight
++;
3095 usb_scuttle_anchored_urbs(&data
->deferred
);
3098 static int btusb_resume(struct usb_interface
*intf
)
3100 struct btusb_data
*data
= usb_get_intfdata(intf
);
3101 struct hci_dev
*hdev
= data
->hdev
;
3104 BT_DBG("intf %p", intf
);
3106 if (--data
->suspend_count
)
3109 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
3112 if (test_bit(BTUSB_INTR_RUNNING
, &data
->flags
)) {
3113 err
= btusb_submit_intr_urb(hdev
, GFP_NOIO
);
3115 clear_bit(BTUSB_INTR_RUNNING
, &data
->flags
);
3120 if (test_bit(BTUSB_BULK_RUNNING
, &data
->flags
)) {
3121 err
= btusb_submit_bulk_urb(hdev
, GFP_NOIO
);
3123 clear_bit(BTUSB_BULK_RUNNING
, &data
->flags
);
3127 btusb_submit_bulk_urb(hdev
, GFP_NOIO
);
3130 if (test_bit(BTUSB_ISOC_RUNNING
, &data
->flags
)) {
3131 if (btusb_submit_isoc_urb(hdev
, GFP_NOIO
) < 0)
3132 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
3134 btusb_submit_isoc_urb(hdev
, GFP_NOIO
);
3137 spin_lock_irq(&data
->txlock
);
3138 play_deferred(data
);
3139 clear_bit(BTUSB_SUSPENDING
, &data
->flags
);
3140 spin_unlock_irq(&data
->txlock
);
3141 schedule_work(&data
->work
);
3146 usb_scuttle_anchored_urbs(&data
->deferred
);
3148 spin_lock_irq(&data
->txlock
);
3149 clear_bit(BTUSB_SUSPENDING
, &data
->flags
);
3150 spin_unlock_irq(&data
->txlock
);
3156 static struct usb_driver btusb_driver
= {
3158 .probe
= btusb_probe
,
3159 .disconnect
= btusb_disconnect
,
3161 .suspend
= btusb_suspend
,
3162 .resume
= btusb_resume
,
3164 .id_table
= btusb_table
,
3165 .supports_autosuspend
= 1,
3166 .disable_hub_initiated_lpm
= 1,
3169 module_usb_driver(btusb_driver
);
3171 module_param(disable_scofix
, bool, 0644);
3172 MODULE_PARM_DESC(disable_scofix
, "Disable fixup of wrong SCO buffer size");
3174 module_param(force_scofix
, bool, 0644);
3175 MODULE_PARM_DESC(force_scofix
, "Force fixup of wrong SCO buffers size");
3177 module_param(reset
, bool, 0644);
3178 MODULE_PARM_DESC(reset
, "Send HCI reset command on initialization");
3180 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
3181 MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION
);
3182 MODULE_VERSION(VERSION
);
3183 MODULE_LICENSE("GPL");