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
65 #define BTUSB_CW6622 0x100000
67 static const struct usb_device_id btusb_table
[] = {
68 /* Generic Bluetooth USB device */
69 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
71 /* Generic Bluetooth AMP device */
72 { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info
= BTUSB_AMP
},
74 /* Generic Bluetooth USB interface */
75 { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) },
77 /* Apple-specific (Broadcom) devices */
78 { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01),
79 .driver_info
= BTUSB_BCM_APPLE
| BTUSB_IFNUM_2
},
81 /* MediaTek MT76x0E */
82 { USB_DEVICE(0x0e8d, 0x763f) },
84 /* Broadcom SoftSailing reporting vendor specific */
85 { USB_DEVICE(0x0a5c, 0x21e1) },
87 /* Apple MacBookPro 7,1 */
88 { USB_DEVICE(0x05ac, 0x8213) },
91 { USB_DEVICE(0x05ac, 0x8215) },
93 /* Apple MacBookPro6,2 */
94 { USB_DEVICE(0x05ac, 0x8218) },
96 /* Apple MacBookAir3,1, MacBookAir3,2 */
97 { USB_DEVICE(0x05ac, 0x821b) },
99 /* Apple MacBookAir4,1 */
100 { USB_DEVICE(0x05ac, 0x821f) },
102 /* Apple MacBookPro8,2 */
103 { USB_DEVICE(0x05ac, 0x821a) },
105 /* Apple MacMini5,1 */
106 { USB_DEVICE(0x05ac, 0x8281) },
108 /* AVM BlueFRITZ! USB v2.0 */
109 { USB_DEVICE(0x057c, 0x3800), .driver_info
= BTUSB_SWAVE
},
111 /* Bluetooth Ultraport Module from IBM */
112 { USB_DEVICE(0x04bf, 0x030a) },
114 /* ALPS Modules with non-standard id */
115 { USB_DEVICE(0x044e, 0x3001) },
116 { USB_DEVICE(0x044e, 0x3002) },
118 /* Ericsson with non-standard id */
119 { USB_DEVICE(0x0bdb, 0x1002) },
121 /* Canyon CN-BTU1 with HID interfaces */
122 { USB_DEVICE(0x0c10, 0x0000) },
124 /* Broadcom BCM20702A0 */
125 { USB_DEVICE(0x413c, 0x8197) },
127 /* Broadcom BCM20702B0 (Dynex/Insignia) */
128 { USB_DEVICE(0x19ff, 0x0239), .driver_info
= BTUSB_BCM_PATCHRAM
},
130 /* Broadcom BCM43142A0 (Foxconn/Lenovo) */
131 { USB_DEVICE(0x105b, 0xe065), .driver_info
= BTUSB_BCM_PATCHRAM
},
133 /* Foxconn - Hon Hai */
134 { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
135 .driver_info
= BTUSB_BCM_PATCHRAM
},
137 /* Lite-On Technology - Broadcom based */
138 { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01),
139 .driver_info
= BTUSB_BCM_PATCHRAM
},
141 /* Broadcom devices with vendor specific id */
142 { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01),
143 .driver_info
= BTUSB_BCM_PATCHRAM
},
145 /* ASUSTek Computer - Broadcom based */
146 { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01),
147 .driver_info
= BTUSB_BCM_PATCHRAM
},
149 /* Belkin F8065bf - Broadcom based */
150 { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01),
151 .driver_info
= BTUSB_BCM_PATCHRAM
},
153 /* IMC Networks - Broadcom based */
154 { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01),
155 .driver_info
= BTUSB_BCM_PATCHRAM
},
157 /* Dell Computer - Broadcom based */
158 { USB_VENDOR_AND_INTERFACE_INFO(0x413c, 0xff, 0x01, 0x01),
159 .driver_info
= BTUSB_BCM_PATCHRAM
},
161 /* Toshiba Corp - Broadcom based */
162 { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01),
163 .driver_info
= BTUSB_BCM_PATCHRAM
},
165 /* Intel Bluetooth USB Bootloader (RAM module) */
166 { USB_DEVICE(0x8087, 0x0a5a),
167 .driver_info
= BTUSB_INTEL_BOOT
| BTUSB_BROKEN_ISOC
},
169 { } /* Terminating entry */
172 MODULE_DEVICE_TABLE(usb
, btusb_table
);
174 static const struct usb_device_id blacklist_table
[] = {
175 /* CSR BlueCore devices */
176 { USB_DEVICE(0x0a12, 0x0001), .driver_info
= BTUSB_CSR
},
178 /* Broadcom BCM2033 without firmware */
179 { USB_DEVICE(0x0a5c, 0x2033), .driver_info
= BTUSB_IGNORE
},
181 /* Broadcom BCM2045 devices */
182 { USB_DEVICE(0x0a5c, 0x2045), .driver_info
= BTUSB_BCM2045
},
184 /* Atheros 3011 with sflash firmware */
185 { USB_DEVICE(0x0489, 0xe027), .driver_info
= BTUSB_IGNORE
},
186 { USB_DEVICE(0x0489, 0xe03d), .driver_info
= BTUSB_IGNORE
},
187 { USB_DEVICE(0x04f2, 0xaff1), .driver_info
= BTUSB_IGNORE
},
188 { USB_DEVICE(0x0930, 0x0215), .driver_info
= BTUSB_IGNORE
},
189 { USB_DEVICE(0x0cf3, 0x3002), .driver_info
= BTUSB_IGNORE
},
190 { USB_DEVICE(0x0cf3, 0xe019), .driver_info
= BTUSB_IGNORE
},
191 { USB_DEVICE(0x13d3, 0x3304), .driver_info
= BTUSB_IGNORE
},
193 /* Atheros AR9285 Malbec with sflash firmware */
194 { USB_DEVICE(0x03f0, 0x311d), .driver_info
= BTUSB_IGNORE
},
196 /* Atheros 3012 with sflash firmware */
197 { USB_DEVICE(0x0489, 0xe04d), .driver_info
= BTUSB_ATH3012
},
198 { USB_DEVICE(0x0489, 0xe04e), .driver_info
= BTUSB_ATH3012
},
199 { USB_DEVICE(0x0489, 0xe056), .driver_info
= BTUSB_ATH3012
},
200 { USB_DEVICE(0x0489, 0xe057), .driver_info
= BTUSB_ATH3012
},
201 { USB_DEVICE(0x0489, 0xe05f), .driver_info
= BTUSB_ATH3012
},
202 { USB_DEVICE(0x0489, 0xe076), .driver_info
= BTUSB_ATH3012
},
203 { USB_DEVICE(0x0489, 0xe078), .driver_info
= BTUSB_ATH3012
},
204 { USB_DEVICE(0x0489, 0xe095), .driver_info
= BTUSB_ATH3012
},
205 { USB_DEVICE(0x04c5, 0x1330), .driver_info
= BTUSB_ATH3012
},
206 { USB_DEVICE(0x04ca, 0x3004), .driver_info
= BTUSB_ATH3012
},
207 { USB_DEVICE(0x04ca, 0x3005), .driver_info
= BTUSB_ATH3012
},
208 { USB_DEVICE(0x04ca, 0x3006), .driver_info
= BTUSB_ATH3012
},
209 { USB_DEVICE(0x04ca, 0x3007), .driver_info
= BTUSB_ATH3012
},
210 { USB_DEVICE(0x04ca, 0x3008), .driver_info
= BTUSB_ATH3012
},
211 { USB_DEVICE(0x04ca, 0x300b), .driver_info
= BTUSB_ATH3012
},
212 { USB_DEVICE(0x04ca, 0x300d), .driver_info
= BTUSB_ATH3012
},
213 { USB_DEVICE(0x04ca, 0x300f), .driver_info
= BTUSB_ATH3012
},
214 { USB_DEVICE(0x04ca, 0x3010), .driver_info
= BTUSB_ATH3012
},
215 { USB_DEVICE(0x04ca, 0x3014), .driver_info
= BTUSB_ATH3012
},
216 { USB_DEVICE(0x04ca, 0x3018), .driver_info
= BTUSB_ATH3012
},
217 { USB_DEVICE(0x0930, 0x0219), .driver_info
= BTUSB_ATH3012
},
218 { USB_DEVICE(0x0930, 0x021c), .driver_info
= BTUSB_ATH3012
},
219 { USB_DEVICE(0x0930, 0x0220), .driver_info
= BTUSB_ATH3012
},
220 { USB_DEVICE(0x0930, 0x0227), .driver_info
= BTUSB_ATH3012
},
221 { USB_DEVICE(0x0b05, 0x17d0), .driver_info
= BTUSB_ATH3012
},
222 { USB_DEVICE(0x0cf3, 0x0036), .driver_info
= BTUSB_ATH3012
},
223 { USB_DEVICE(0x0cf3, 0x3004), .driver_info
= BTUSB_ATH3012
},
224 { USB_DEVICE(0x0cf3, 0x3008), .driver_info
= BTUSB_ATH3012
},
225 { USB_DEVICE(0x0cf3, 0x311d), .driver_info
= BTUSB_ATH3012
},
226 { USB_DEVICE(0x0cf3, 0x311e), .driver_info
= BTUSB_ATH3012
},
227 { USB_DEVICE(0x0cf3, 0x311f), .driver_info
= BTUSB_ATH3012
},
228 { USB_DEVICE(0x0cf3, 0x3121), .driver_info
= BTUSB_ATH3012
},
229 { USB_DEVICE(0x0cf3, 0x817a), .driver_info
= BTUSB_ATH3012
},
230 { USB_DEVICE(0x0cf3, 0x817b), .driver_info
= BTUSB_ATH3012
},
231 { USB_DEVICE(0x0cf3, 0xe003), .driver_info
= BTUSB_ATH3012
},
232 { USB_DEVICE(0x0cf3, 0xe004), .driver_info
= BTUSB_ATH3012
},
233 { USB_DEVICE(0x0cf3, 0xe005), .driver_info
= BTUSB_ATH3012
},
234 { USB_DEVICE(0x0cf3, 0xe006), .driver_info
= BTUSB_ATH3012
},
235 { USB_DEVICE(0x13d3, 0x3362), .driver_info
= BTUSB_ATH3012
},
236 { USB_DEVICE(0x13d3, 0x3375), .driver_info
= BTUSB_ATH3012
},
237 { USB_DEVICE(0x13d3, 0x3393), .driver_info
= BTUSB_ATH3012
},
238 { USB_DEVICE(0x13d3, 0x3395), .driver_info
= BTUSB_ATH3012
},
239 { USB_DEVICE(0x13d3, 0x3402), .driver_info
= BTUSB_ATH3012
},
240 { USB_DEVICE(0x13d3, 0x3408), .driver_info
= BTUSB_ATH3012
},
241 { USB_DEVICE(0x13d3, 0x3423), .driver_info
= BTUSB_ATH3012
},
242 { USB_DEVICE(0x13d3, 0x3432), .driver_info
= BTUSB_ATH3012
},
243 { USB_DEVICE(0x13d3, 0x3472), .driver_info
= BTUSB_ATH3012
},
244 { USB_DEVICE(0x13d3, 0x3474), .driver_info
= BTUSB_ATH3012
},
245 { USB_DEVICE(0x13d3, 0x3487), .driver_info
= BTUSB_ATH3012
},
246 { USB_DEVICE(0x13d3, 0x3490), .driver_info
= BTUSB_ATH3012
},
248 /* Atheros AR5BBU12 with sflash firmware */
249 { USB_DEVICE(0x0489, 0xe02c), .driver_info
= BTUSB_IGNORE
},
251 /* Atheros AR5BBU12 with sflash firmware */
252 { USB_DEVICE(0x0489, 0xe036), .driver_info
= BTUSB_ATH3012
},
253 { USB_DEVICE(0x0489, 0xe03c), .driver_info
= BTUSB_ATH3012
},
255 /* QCA ROME chipset */
256 { USB_DEVICE(0x0cf3, 0xe007), .driver_info
= BTUSB_QCA_ROME
},
257 { USB_DEVICE(0x0cf3, 0xe009), .driver_info
= BTUSB_QCA_ROME
},
258 { USB_DEVICE(0x0cf3, 0xe300), .driver_info
= BTUSB_QCA_ROME
},
259 { USB_DEVICE(0x0cf3, 0xe360), .driver_info
= BTUSB_QCA_ROME
},
260 { USB_DEVICE(0x0489, 0xe092), .driver_info
= BTUSB_QCA_ROME
},
261 { USB_DEVICE(0x0489, 0xe0a2), .driver_info
= BTUSB_QCA_ROME
},
262 { USB_DEVICE(0x04ca, 0x3011), .driver_info
= BTUSB_QCA_ROME
},
264 /* Broadcom BCM2035 */
265 { USB_DEVICE(0x0a5c, 0x2009), .driver_info
= BTUSB_BCM92035
},
266 { USB_DEVICE(0x0a5c, 0x200a), .driver_info
= BTUSB_WRONG_SCO_MTU
},
267 { USB_DEVICE(0x0a5c, 0x2035), .driver_info
= BTUSB_WRONG_SCO_MTU
},
269 /* Broadcom BCM2045 */
270 { USB_DEVICE(0x0a5c, 0x2039), .driver_info
= BTUSB_WRONG_SCO_MTU
},
271 { USB_DEVICE(0x0a5c, 0x2101), .driver_info
= BTUSB_WRONG_SCO_MTU
},
273 /* IBM/Lenovo ThinkPad with Broadcom chip */
274 { USB_DEVICE(0x0a5c, 0x201e), .driver_info
= BTUSB_WRONG_SCO_MTU
},
275 { USB_DEVICE(0x0a5c, 0x2110), .driver_info
= BTUSB_WRONG_SCO_MTU
},
277 /* HP laptop with Broadcom chip */
278 { USB_DEVICE(0x03f0, 0x171d), .driver_info
= BTUSB_WRONG_SCO_MTU
},
280 /* Dell laptop with Broadcom chip */
281 { USB_DEVICE(0x413c, 0x8126), .driver_info
= BTUSB_WRONG_SCO_MTU
},
283 /* Dell Wireless 370 and 410 devices */
284 { USB_DEVICE(0x413c, 0x8152), .driver_info
= BTUSB_WRONG_SCO_MTU
},
285 { USB_DEVICE(0x413c, 0x8156), .driver_info
= BTUSB_WRONG_SCO_MTU
},
287 /* Belkin F8T012 and F8T013 devices */
288 { USB_DEVICE(0x050d, 0x0012), .driver_info
= BTUSB_WRONG_SCO_MTU
},
289 { USB_DEVICE(0x050d, 0x0013), .driver_info
= BTUSB_WRONG_SCO_MTU
},
291 /* Asus WL-BTD202 device */
292 { USB_DEVICE(0x0b05, 0x1715), .driver_info
= BTUSB_WRONG_SCO_MTU
},
294 /* Kensington Bluetooth USB adapter */
295 { USB_DEVICE(0x047d, 0x105e), .driver_info
= BTUSB_WRONG_SCO_MTU
},
297 /* RTX Telecom based adapters with buggy SCO support */
298 { USB_DEVICE(0x0400, 0x0807), .driver_info
= BTUSB_BROKEN_ISOC
},
299 { USB_DEVICE(0x0400, 0x080a), .driver_info
= BTUSB_BROKEN_ISOC
},
301 /* CONWISE Technology based adapters with buggy SCO support */
302 { USB_DEVICE(0x0e5e, 0x6622),
303 .driver_info
= BTUSB_BROKEN_ISOC
| BTUSB_CW6622
},
305 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
306 { USB_DEVICE(0x1310, 0x0001), .driver_info
= BTUSB_SWAVE
},
308 /* Digianswer devices */
309 { USB_DEVICE(0x08fd, 0x0001), .driver_info
= BTUSB_DIGIANSWER
},
310 { USB_DEVICE(0x08fd, 0x0002), .driver_info
= BTUSB_IGNORE
},
312 /* CSR BlueCore Bluetooth Sniffer */
313 { USB_DEVICE(0x0a12, 0x0002),
314 .driver_info
= BTUSB_SNIFFER
| BTUSB_BROKEN_ISOC
},
316 /* Frontline ComProbe Bluetooth Sniffer */
317 { USB_DEVICE(0x16d3, 0x0002),
318 .driver_info
= BTUSB_SNIFFER
| BTUSB_BROKEN_ISOC
},
320 /* Marvell Bluetooth devices */
321 { USB_DEVICE(0x1286, 0x2044), .driver_info
= BTUSB_MARVELL
},
322 { USB_DEVICE(0x1286, 0x2046), .driver_info
= BTUSB_MARVELL
},
323 { USB_DEVICE(0x1286, 0x204e), .driver_info
= BTUSB_MARVELL
},
325 /* Intel Bluetooth devices */
326 { USB_DEVICE(0x8087, 0x07da), .driver_info
= BTUSB_CSR
},
327 { USB_DEVICE(0x8087, 0x07dc), .driver_info
= BTUSB_INTEL
},
328 { USB_DEVICE(0x8087, 0x0a2a), .driver_info
= BTUSB_INTEL
},
329 { USB_DEVICE(0x8087, 0x0a2b), .driver_info
= BTUSB_INTEL_NEW
},
330 { USB_DEVICE(0x8087, 0x0aa7), .driver_info
= BTUSB_INTEL
},
332 /* Other Intel Bluetooth devices */
333 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
334 .driver_info
= BTUSB_IGNORE
},
336 /* Realtek Bluetooth devices */
337 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
338 .driver_info
= BTUSB_REALTEK
},
340 /* Additional Realtek 8723AE Bluetooth devices */
341 { USB_DEVICE(0x0930, 0x021d), .driver_info
= BTUSB_REALTEK
},
342 { USB_DEVICE(0x13d3, 0x3394), .driver_info
= BTUSB_REALTEK
},
344 /* Additional Realtek 8723BE Bluetooth devices */
345 { USB_DEVICE(0x0489, 0xe085), .driver_info
= BTUSB_REALTEK
},
346 { USB_DEVICE(0x0489, 0xe08b), .driver_info
= BTUSB_REALTEK
},
347 { USB_DEVICE(0x13d3, 0x3410), .driver_info
= BTUSB_REALTEK
},
348 { USB_DEVICE(0x13d3, 0x3416), .driver_info
= BTUSB_REALTEK
},
349 { USB_DEVICE(0x13d3, 0x3459), .driver_info
= BTUSB_REALTEK
},
351 /* Additional Realtek 8821AE Bluetooth devices */
352 { USB_DEVICE(0x0b05, 0x17dc), .driver_info
= BTUSB_REALTEK
},
353 { USB_DEVICE(0x13d3, 0x3414), .driver_info
= BTUSB_REALTEK
},
354 { USB_DEVICE(0x13d3, 0x3458), .driver_info
= BTUSB_REALTEK
},
355 { USB_DEVICE(0x13d3, 0x3461), .driver_info
= BTUSB_REALTEK
},
356 { USB_DEVICE(0x13d3, 0x3462), .driver_info
= BTUSB_REALTEK
},
358 /* Silicon Wave based devices */
359 { USB_DEVICE(0x0c10, 0x0000), .driver_info
= BTUSB_SWAVE
},
361 { } /* Terminating entry */
364 #define BTUSB_MAX_ISOC_FRAMES 10
366 #define BTUSB_INTR_RUNNING 0
367 #define BTUSB_BULK_RUNNING 1
368 #define BTUSB_ISOC_RUNNING 2
369 #define BTUSB_SUSPENDING 3
370 #define BTUSB_DID_ISO_RESUME 4
371 #define BTUSB_BOOTLOADER 5
372 #define BTUSB_DOWNLOADING 6
373 #define BTUSB_FIRMWARE_LOADED 7
374 #define BTUSB_FIRMWARE_FAILED 8
375 #define BTUSB_BOOTING 9
376 #define BTUSB_RESET_RESUME 10
377 #define BTUSB_DIAG_RUNNING 11
380 struct hci_dev
*hdev
;
381 struct usb_device
*udev
;
382 struct usb_interface
*intf
;
383 struct usb_interface
*isoc
;
384 struct usb_interface
*diag
;
388 struct work_struct work
;
389 struct work_struct waker
;
391 struct usb_anchor deferred
;
392 struct usb_anchor tx_anchor
;
396 struct usb_anchor intr_anchor
;
397 struct usb_anchor bulk_anchor
;
398 struct usb_anchor isoc_anchor
;
399 struct usb_anchor diag_anchor
;
402 struct sk_buff
*evt_skb
;
403 struct sk_buff
*acl_skb
;
404 struct sk_buff
*sco_skb
;
406 struct usb_endpoint_descriptor
*intr_ep
;
407 struct usb_endpoint_descriptor
*bulk_tx_ep
;
408 struct usb_endpoint_descriptor
*bulk_rx_ep
;
409 struct usb_endpoint_descriptor
*isoc_tx_ep
;
410 struct usb_endpoint_descriptor
*isoc_rx_ep
;
411 struct usb_endpoint_descriptor
*diag_tx_ep
;
412 struct usb_endpoint_descriptor
*diag_rx_ep
;
417 unsigned int sco_num
;
421 int (*recv_event
)(struct hci_dev
*hdev
, struct sk_buff
*skb
);
422 int (*recv_bulk
)(struct btusb_data
*data
, void *buffer
, int count
);
424 int (*setup_on_usb
)(struct hci_dev
*hdev
);
427 static inline void btusb_free_frags(struct btusb_data
*data
)
431 spin_lock_irqsave(&data
->rxlock
, flags
);
433 kfree_skb(data
->evt_skb
);
434 data
->evt_skb
= NULL
;
436 kfree_skb(data
->acl_skb
);
437 data
->acl_skb
= NULL
;
439 kfree_skb(data
->sco_skb
);
440 data
->sco_skb
= NULL
;
442 spin_unlock_irqrestore(&data
->rxlock
, flags
);
445 static int btusb_recv_intr(struct btusb_data
*data
, void *buffer
, int count
)
450 spin_lock(&data
->rxlock
);
457 skb
= bt_skb_alloc(HCI_MAX_EVENT_SIZE
, GFP_ATOMIC
);
463 hci_skb_pkt_type(skb
) = HCI_EVENT_PKT
;
464 hci_skb_expect(skb
) = HCI_EVENT_HDR_SIZE
;
467 len
= min_t(uint
, hci_skb_expect(skb
), count
);
468 memcpy(skb_put(skb
, len
), buffer
, len
);
472 hci_skb_expect(skb
) -= len
;
474 if (skb
->len
== HCI_EVENT_HDR_SIZE
) {
475 /* Complete event header */
476 hci_skb_expect(skb
) = hci_event_hdr(skb
)->plen
;
478 if (skb_tailroom(skb
) < hci_skb_expect(skb
)) {
487 if (!hci_skb_expect(skb
)) {
489 data
->recv_event(data
->hdev
, skb
);
495 spin_unlock(&data
->rxlock
);
500 static int btusb_recv_bulk(struct btusb_data
*data
, void *buffer
, int count
)
505 spin_lock(&data
->rxlock
);
512 skb
= bt_skb_alloc(HCI_MAX_FRAME_SIZE
, GFP_ATOMIC
);
518 hci_skb_pkt_type(skb
) = HCI_ACLDATA_PKT
;
519 hci_skb_expect(skb
) = HCI_ACL_HDR_SIZE
;
522 len
= min_t(uint
, hci_skb_expect(skb
), count
);
523 memcpy(skb_put(skb
, len
), buffer
, len
);
527 hci_skb_expect(skb
) -= len
;
529 if (skb
->len
== HCI_ACL_HDR_SIZE
) {
530 __le16 dlen
= hci_acl_hdr(skb
)->dlen
;
532 /* Complete ACL header */
533 hci_skb_expect(skb
) = __le16_to_cpu(dlen
);
535 if (skb_tailroom(skb
) < hci_skb_expect(skb
)) {
544 if (!hci_skb_expect(skb
)) {
546 hci_recv_frame(data
->hdev
, skb
);
552 spin_unlock(&data
->rxlock
);
557 static int btusb_recv_isoc(struct btusb_data
*data
, void *buffer
, int count
)
562 spin_lock(&data
->rxlock
);
569 skb
= bt_skb_alloc(HCI_MAX_SCO_SIZE
, GFP_ATOMIC
);
575 hci_skb_pkt_type(skb
) = HCI_SCODATA_PKT
;
576 hci_skb_expect(skb
) = HCI_SCO_HDR_SIZE
;
579 len
= min_t(uint
, hci_skb_expect(skb
), count
);
580 memcpy(skb_put(skb
, len
), buffer
, len
);
584 hci_skb_expect(skb
) -= len
;
586 if (skb
->len
== HCI_SCO_HDR_SIZE
) {
587 /* Complete SCO header */
588 hci_skb_expect(skb
) = hci_sco_hdr(skb
)->dlen
;
590 if (skb_tailroom(skb
) < hci_skb_expect(skb
)) {
599 if (!hci_skb_expect(skb
)) {
601 hci_recv_frame(data
->hdev
, skb
);
607 spin_unlock(&data
->rxlock
);
612 static void btusb_intr_complete(struct urb
*urb
)
614 struct hci_dev
*hdev
= urb
->context
;
615 struct btusb_data
*data
= hci_get_drvdata(hdev
);
618 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
621 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
624 if (urb
->status
== 0) {
625 hdev
->stat
.byte_rx
+= urb
->actual_length
;
627 if (btusb_recv_intr(data
, urb
->transfer_buffer
,
628 urb
->actual_length
) < 0) {
629 BT_ERR("%s corrupted event packet", hdev
->name
);
632 } else if (urb
->status
== -ENOENT
) {
633 /* Avoid suspend failed when usb_kill_urb */
637 if (!test_bit(BTUSB_INTR_RUNNING
, &data
->flags
))
640 usb_mark_last_busy(data
->udev
);
641 usb_anchor_urb(urb
, &data
->intr_anchor
);
643 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
645 /* -EPERM: urb is being killed;
646 * -ENODEV: device got disconnected */
647 if (err
!= -EPERM
&& err
!= -ENODEV
)
648 BT_ERR("%s urb %p failed to resubmit (%d)",
649 hdev
->name
, urb
, -err
);
650 usb_unanchor_urb(urb
);
654 static int btusb_submit_intr_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
656 struct btusb_data
*data
= hci_get_drvdata(hdev
);
662 BT_DBG("%s", hdev
->name
);
667 urb
= usb_alloc_urb(0, mem_flags
);
671 size
= le16_to_cpu(data
->intr_ep
->wMaxPacketSize
);
673 buf
= kmalloc(size
, mem_flags
);
679 pipe
= usb_rcvintpipe(data
->udev
, data
->intr_ep
->bEndpointAddress
);
681 usb_fill_int_urb(urb
, data
->udev
, pipe
, buf
, size
,
682 btusb_intr_complete
, hdev
, data
->intr_ep
->bInterval
);
684 urb
->transfer_flags
|= URB_FREE_BUFFER
;
686 usb_anchor_urb(urb
, &data
->intr_anchor
);
688 err
= usb_submit_urb(urb
, mem_flags
);
690 if (err
!= -EPERM
&& err
!= -ENODEV
)
691 BT_ERR("%s urb %p submission failed (%d)",
692 hdev
->name
, urb
, -err
);
693 usb_unanchor_urb(urb
);
701 static void btusb_bulk_complete(struct urb
*urb
)
703 struct hci_dev
*hdev
= urb
->context
;
704 struct btusb_data
*data
= hci_get_drvdata(hdev
);
707 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
710 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
713 if (urb
->status
== 0) {
714 hdev
->stat
.byte_rx
+= urb
->actual_length
;
716 if (data
->recv_bulk(data
, urb
->transfer_buffer
,
717 urb
->actual_length
) < 0) {
718 BT_ERR("%s corrupted ACL packet", hdev
->name
);
721 } else if (urb
->status
== -ENOENT
) {
722 /* Avoid suspend failed when usb_kill_urb */
726 if (!test_bit(BTUSB_BULK_RUNNING
, &data
->flags
))
729 usb_anchor_urb(urb
, &data
->bulk_anchor
);
730 usb_mark_last_busy(data
->udev
);
732 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
734 /* -EPERM: urb is being killed;
735 * -ENODEV: device got disconnected */
736 if (err
!= -EPERM
&& err
!= -ENODEV
)
737 BT_ERR("%s urb %p failed to resubmit (%d)",
738 hdev
->name
, urb
, -err
);
739 usb_unanchor_urb(urb
);
743 static int btusb_submit_bulk_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
745 struct btusb_data
*data
= hci_get_drvdata(hdev
);
749 int err
, size
= HCI_MAX_FRAME_SIZE
;
751 BT_DBG("%s", hdev
->name
);
753 if (!data
->bulk_rx_ep
)
756 urb
= usb_alloc_urb(0, mem_flags
);
760 buf
= kmalloc(size
, mem_flags
);
766 pipe
= usb_rcvbulkpipe(data
->udev
, data
->bulk_rx_ep
->bEndpointAddress
);
768 usb_fill_bulk_urb(urb
, data
->udev
, pipe
, buf
, size
,
769 btusb_bulk_complete
, hdev
);
771 urb
->transfer_flags
|= URB_FREE_BUFFER
;
773 usb_mark_last_busy(data
->udev
);
774 usb_anchor_urb(urb
, &data
->bulk_anchor
);
776 err
= usb_submit_urb(urb
, mem_flags
);
778 if (err
!= -EPERM
&& err
!= -ENODEV
)
779 BT_ERR("%s urb %p submission failed (%d)",
780 hdev
->name
, urb
, -err
);
781 usb_unanchor_urb(urb
);
789 static void btusb_isoc_complete(struct urb
*urb
)
791 struct hci_dev
*hdev
= urb
->context
;
792 struct btusb_data
*data
= hci_get_drvdata(hdev
);
795 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
798 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
801 if (urb
->status
== 0) {
802 for (i
= 0; i
< urb
->number_of_packets
; i
++) {
803 unsigned int offset
= urb
->iso_frame_desc
[i
].offset
;
804 unsigned int length
= urb
->iso_frame_desc
[i
].actual_length
;
806 if (urb
->iso_frame_desc
[i
].status
)
809 hdev
->stat
.byte_rx
+= length
;
811 if (btusb_recv_isoc(data
, urb
->transfer_buffer
+ offset
,
813 BT_ERR("%s corrupted SCO packet", hdev
->name
);
817 } else if (urb
->status
== -ENOENT
) {
818 /* Avoid suspend failed when usb_kill_urb */
822 if (!test_bit(BTUSB_ISOC_RUNNING
, &data
->flags
))
825 usb_anchor_urb(urb
, &data
->isoc_anchor
);
827 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
829 /* -EPERM: urb is being killed;
830 * -ENODEV: device got disconnected */
831 if (err
!= -EPERM
&& err
!= -ENODEV
)
832 BT_ERR("%s urb %p failed to resubmit (%d)",
833 hdev
->name
, urb
, -err
);
834 usb_unanchor_urb(urb
);
838 static inline void __fill_isoc_descriptor(struct urb
*urb
, int len
, int mtu
)
842 BT_DBG("len %d mtu %d", len
, mtu
);
844 for (i
= 0; i
< BTUSB_MAX_ISOC_FRAMES
&& len
>= mtu
;
845 i
++, offset
+= mtu
, len
-= mtu
) {
846 urb
->iso_frame_desc
[i
].offset
= offset
;
847 urb
->iso_frame_desc
[i
].length
= mtu
;
850 if (len
&& i
< BTUSB_MAX_ISOC_FRAMES
) {
851 urb
->iso_frame_desc
[i
].offset
= offset
;
852 urb
->iso_frame_desc
[i
].length
= len
;
856 urb
->number_of_packets
= i
;
859 static int btusb_submit_isoc_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
861 struct btusb_data
*data
= hci_get_drvdata(hdev
);
867 BT_DBG("%s", hdev
->name
);
869 if (!data
->isoc_rx_ep
)
872 urb
= usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES
, mem_flags
);
876 size
= le16_to_cpu(data
->isoc_rx_ep
->wMaxPacketSize
) *
877 BTUSB_MAX_ISOC_FRAMES
;
879 buf
= kmalloc(size
, mem_flags
);
885 pipe
= usb_rcvisocpipe(data
->udev
, data
->isoc_rx_ep
->bEndpointAddress
);
887 usb_fill_int_urb(urb
, data
->udev
, pipe
, buf
, size
, btusb_isoc_complete
,
888 hdev
, data
->isoc_rx_ep
->bInterval
);
890 urb
->transfer_flags
= URB_FREE_BUFFER
| URB_ISO_ASAP
;
892 __fill_isoc_descriptor(urb
, size
,
893 le16_to_cpu(data
->isoc_rx_ep
->wMaxPacketSize
));
895 usb_anchor_urb(urb
, &data
->isoc_anchor
);
897 err
= usb_submit_urb(urb
, mem_flags
);
899 if (err
!= -EPERM
&& err
!= -ENODEV
)
900 BT_ERR("%s urb %p submission failed (%d)",
901 hdev
->name
, urb
, -err
);
902 usb_unanchor_urb(urb
);
910 static void btusb_diag_complete(struct urb
*urb
)
912 struct hci_dev
*hdev
= urb
->context
;
913 struct btusb_data
*data
= hci_get_drvdata(hdev
);
916 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
919 if (urb
->status
== 0) {
922 skb
= bt_skb_alloc(urb
->actual_length
, GFP_ATOMIC
);
924 memcpy(skb_put(skb
, urb
->actual_length
),
925 urb
->transfer_buffer
, urb
->actual_length
);
926 hci_recv_diag(hdev
, skb
);
928 } else if (urb
->status
== -ENOENT
) {
929 /* Avoid suspend failed when usb_kill_urb */
933 if (!test_bit(BTUSB_DIAG_RUNNING
, &data
->flags
))
936 usb_anchor_urb(urb
, &data
->diag_anchor
);
937 usb_mark_last_busy(data
->udev
);
939 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
941 /* -EPERM: urb is being killed;
942 * -ENODEV: device got disconnected */
943 if (err
!= -EPERM
&& err
!= -ENODEV
)
944 BT_ERR("%s urb %p failed to resubmit (%d)",
945 hdev
->name
, urb
, -err
);
946 usb_unanchor_urb(urb
);
950 static int btusb_submit_diag_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
952 struct btusb_data
*data
= hci_get_drvdata(hdev
);
956 int err
, size
= HCI_MAX_FRAME_SIZE
;
958 BT_DBG("%s", hdev
->name
);
960 if (!data
->diag_rx_ep
)
963 urb
= usb_alloc_urb(0, mem_flags
);
967 buf
= kmalloc(size
, mem_flags
);
973 pipe
= usb_rcvbulkpipe(data
->udev
, data
->diag_rx_ep
->bEndpointAddress
);
975 usb_fill_bulk_urb(urb
, data
->udev
, pipe
, buf
, size
,
976 btusb_diag_complete
, hdev
);
978 urb
->transfer_flags
|= URB_FREE_BUFFER
;
980 usb_mark_last_busy(data
->udev
);
981 usb_anchor_urb(urb
, &data
->diag_anchor
);
983 err
= usb_submit_urb(urb
, mem_flags
);
985 if (err
!= -EPERM
&& err
!= -ENODEV
)
986 BT_ERR("%s urb %p submission failed (%d)",
987 hdev
->name
, urb
, -err
);
988 usb_unanchor_urb(urb
);
996 static void btusb_tx_complete(struct urb
*urb
)
998 struct sk_buff
*skb
= urb
->context
;
999 struct hci_dev
*hdev
= (struct hci_dev
*)skb
->dev
;
1000 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1002 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
1003 urb
->actual_length
);
1005 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
1009 hdev
->stat
.byte_tx
+= urb
->transfer_buffer_length
;
1011 hdev
->stat
.err_tx
++;
1014 spin_lock(&data
->txlock
);
1015 data
->tx_in_flight
--;
1016 spin_unlock(&data
->txlock
);
1018 kfree(urb
->setup_packet
);
1023 static void btusb_isoc_tx_complete(struct urb
*urb
)
1025 struct sk_buff
*skb
= urb
->context
;
1026 struct hci_dev
*hdev
= (struct hci_dev
*)skb
->dev
;
1028 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
1029 urb
->actual_length
);
1031 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
1035 hdev
->stat
.byte_tx
+= urb
->transfer_buffer_length
;
1037 hdev
->stat
.err_tx
++;
1040 kfree(urb
->setup_packet
);
1045 static int btusb_open(struct hci_dev
*hdev
)
1047 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1050 BT_DBG("%s", hdev
->name
);
1052 err
= usb_autopm_get_interface(data
->intf
);
1056 /* Patching USB firmware files prior to starting any URBs of HCI path
1057 * It is more safe to use USB bulk channel for downloading USB patch
1059 if (data
->setup_on_usb
) {
1060 err
= data
->setup_on_usb(hdev
);
1065 data
->intf
->needs_remote_wakeup
= 1;
1067 if (test_and_set_bit(BTUSB_INTR_RUNNING
, &data
->flags
))
1070 err
= btusb_submit_intr_urb(hdev
, GFP_KERNEL
);
1074 err
= btusb_submit_bulk_urb(hdev
, GFP_KERNEL
);
1076 usb_kill_anchored_urbs(&data
->intr_anchor
);
1080 set_bit(BTUSB_BULK_RUNNING
, &data
->flags
);
1081 btusb_submit_bulk_urb(hdev
, GFP_KERNEL
);
1084 if (!btusb_submit_diag_urb(hdev
, GFP_KERNEL
))
1085 set_bit(BTUSB_DIAG_RUNNING
, &data
->flags
);
1089 usb_autopm_put_interface(data
->intf
);
1093 clear_bit(BTUSB_INTR_RUNNING
, &data
->flags
);
1094 usb_autopm_put_interface(data
->intf
);
1098 static void btusb_stop_traffic(struct btusb_data
*data
)
1100 usb_kill_anchored_urbs(&data
->intr_anchor
);
1101 usb_kill_anchored_urbs(&data
->bulk_anchor
);
1102 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1103 usb_kill_anchored_urbs(&data
->diag_anchor
);
1106 static int btusb_close(struct hci_dev
*hdev
)
1108 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1111 BT_DBG("%s", hdev
->name
);
1113 cancel_work_sync(&data
->work
);
1114 cancel_work_sync(&data
->waker
);
1116 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1117 clear_bit(BTUSB_BULK_RUNNING
, &data
->flags
);
1118 clear_bit(BTUSB_INTR_RUNNING
, &data
->flags
);
1119 clear_bit(BTUSB_DIAG_RUNNING
, &data
->flags
);
1121 btusb_stop_traffic(data
);
1122 btusb_free_frags(data
);
1124 err
= usb_autopm_get_interface(data
->intf
);
1128 data
->intf
->needs_remote_wakeup
= 0;
1129 usb_autopm_put_interface(data
->intf
);
1132 usb_scuttle_anchored_urbs(&data
->deferred
);
1136 static int btusb_flush(struct hci_dev
*hdev
)
1138 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1140 BT_DBG("%s", hdev
->name
);
1142 usb_kill_anchored_urbs(&data
->tx_anchor
);
1143 btusb_free_frags(data
);
1148 static struct urb
*alloc_ctrl_urb(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1150 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1151 struct usb_ctrlrequest
*dr
;
1155 urb
= usb_alloc_urb(0, GFP_KERNEL
);
1157 return ERR_PTR(-ENOMEM
);
1159 dr
= kmalloc(sizeof(*dr
), GFP_KERNEL
);
1162 return ERR_PTR(-ENOMEM
);
1165 dr
->bRequestType
= data
->cmdreq_type
;
1166 dr
->bRequest
= data
->cmdreq
;
1169 dr
->wLength
= __cpu_to_le16(skb
->len
);
1171 pipe
= usb_sndctrlpipe(data
->udev
, 0x00);
1173 usb_fill_control_urb(urb
, data
->udev
, pipe
, (void *)dr
,
1174 skb
->data
, skb
->len
, btusb_tx_complete
, skb
);
1176 skb
->dev
= (void *)hdev
;
1181 static struct urb
*alloc_bulk_urb(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1183 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1187 if (!data
->bulk_tx_ep
)
1188 return ERR_PTR(-ENODEV
);
1190 urb
= usb_alloc_urb(0, GFP_KERNEL
);
1192 return ERR_PTR(-ENOMEM
);
1194 pipe
= usb_sndbulkpipe(data
->udev
, data
->bulk_tx_ep
->bEndpointAddress
);
1196 usb_fill_bulk_urb(urb
, data
->udev
, pipe
,
1197 skb
->data
, skb
->len
, btusb_tx_complete
, skb
);
1199 skb
->dev
= (void *)hdev
;
1204 static struct urb
*alloc_isoc_urb(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1206 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1210 if (!data
->isoc_tx_ep
)
1211 return ERR_PTR(-ENODEV
);
1213 urb
= usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES
, GFP_KERNEL
);
1215 return ERR_PTR(-ENOMEM
);
1217 pipe
= usb_sndisocpipe(data
->udev
, data
->isoc_tx_ep
->bEndpointAddress
);
1219 usb_fill_int_urb(urb
, data
->udev
, pipe
,
1220 skb
->data
, skb
->len
, btusb_isoc_tx_complete
,
1221 skb
, data
->isoc_tx_ep
->bInterval
);
1223 urb
->transfer_flags
= URB_ISO_ASAP
;
1225 __fill_isoc_descriptor(urb
, skb
->len
,
1226 le16_to_cpu(data
->isoc_tx_ep
->wMaxPacketSize
));
1228 skb
->dev
= (void *)hdev
;
1233 static int submit_tx_urb(struct hci_dev
*hdev
, struct urb
*urb
)
1235 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1238 usb_anchor_urb(urb
, &data
->tx_anchor
);
1240 err
= usb_submit_urb(urb
, GFP_KERNEL
);
1242 if (err
!= -EPERM
&& err
!= -ENODEV
)
1243 BT_ERR("%s urb %p submission failed (%d)",
1244 hdev
->name
, urb
, -err
);
1245 kfree(urb
->setup_packet
);
1246 usb_unanchor_urb(urb
);
1248 usb_mark_last_busy(data
->udev
);
1255 static int submit_or_queue_tx_urb(struct hci_dev
*hdev
, struct urb
*urb
)
1257 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1258 unsigned long flags
;
1261 spin_lock_irqsave(&data
->txlock
, flags
);
1262 suspending
= test_bit(BTUSB_SUSPENDING
, &data
->flags
);
1264 data
->tx_in_flight
++;
1265 spin_unlock_irqrestore(&data
->txlock
, flags
);
1268 return submit_tx_urb(hdev
, urb
);
1270 usb_anchor_urb(urb
, &data
->deferred
);
1271 schedule_work(&data
->waker
);
1277 static int btusb_send_frame(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1281 BT_DBG("%s", hdev
->name
);
1283 switch (hci_skb_pkt_type(skb
)) {
1284 case HCI_COMMAND_PKT
:
1285 urb
= alloc_ctrl_urb(hdev
, skb
);
1287 return PTR_ERR(urb
);
1289 hdev
->stat
.cmd_tx
++;
1290 return submit_or_queue_tx_urb(hdev
, urb
);
1292 case HCI_ACLDATA_PKT
:
1293 urb
= alloc_bulk_urb(hdev
, skb
);
1295 return PTR_ERR(urb
);
1297 hdev
->stat
.acl_tx
++;
1298 return submit_or_queue_tx_urb(hdev
, urb
);
1300 case HCI_SCODATA_PKT
:
1301 if (hci_conn_num(hdev
, SCO_LINK
) < 1)
1304 urb
= alloc_isoc_urb(hdev
, skb
);
1306 return PTR_ERR(urb
);
1308 hdev
->stat
.sco_tx
++;
1309 return submit_tx_urb(hdev
, urb
);
1315 static void btusb_notify(struct hci_dev
*hdev
, unsigned int evt
)
1317 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1319 BT_DBG("%s evt %d", hdev
->name
, evt
);
1321 if (hci_conn_num(hdev
, SCO_LINK
) != data
->sco_num
) {
1322 data
->sco_num
= hci_conn_num(hdev
, SCO_LINK
);
1323 schedule_work(&data
->work
);
1327 static inline int __set_isoc_interface(struct hci_dev
*hdev
, int altsetting
)
1329 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1330 struct usb_interface
*intf
= data
->isoc
;
1331 struct usb_endpoint_descriptor
*ep_desc
;
1337 err
= usb_set_interface(data
->udev
, 1, altsetting
);
1339 BT_ERR("%s setting interface failed (%d)", hdev
->name
, -err
);
1343 data
->isoc_altsetting
= altsetting
;
1345 data
->isoc_tx_ep
= NULL
;
1346 data
->isoc_rx_ep
= NULL
;
1348 for (i
= 0; i
< intf
->cur_altsetting
->desc
.bNumEndpoints
; i
++) {
1349 ep_desc
= &intf
->cur_altsetting
->endpoint
[i
].desc
;
1351 if (!data
->isoc_tx_ep
&& usb_endpoint_is_isoc_out(ep_desc
)) {
1352 data
->isoc_tx_ep
= ep_desc
;
1356 if (!data
->isoc_rx_ep
&& usb_endpoint_is_isoc_in(ep_desc
)) {
1357 data
->isoc_rx_ep
= ep_desc
;
1362 if (!data
->isoc_tx_ep
|| !data
->isoc_rx_ep
) {
1363 BT_ERR("%s invalid SCO descriptors", hdev
->name
);
1370 static void btusb_work(struct work_struct
*work
)
1372 struct btusb_data
*data
= container_of(work
, struct btusb_data
, work
);
1373 struct hci_dev
*hdev
= data
->hdev
;
1377 if (data
->sco_num
> 0) {
1378 if (!test_bit(BTUSB_DID_ISO_RESUME
, &data
->flags
)) {
1379 err
= usb_autopm_get_interface(data
->isoc
? data
->isoc
: data
->intf
);
1381 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1382 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1386 set_bit(BTUSB_DID_ISO_RESUME
, &data
->flags
);
1389 if (hdev
->voice_setting
& 0x0020) {
1390 static const int alts
[3] = { 2, 4, 5 };
1392 new_alts
= alts
[data
->sco_num
- 1];
1394 new_alts
= data
->sco_num
;
1397 if (data
->isoc_altsetting
!= new_alts
) {
1398 unsigned long flags
;
1400 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1401 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1403 /* When isochronous alternate setting needs to be
1404 * changed, because SCO connection has been added
1405 * or removed, a packet fragment may be left in the
1406 * reassembling state. This could lead to wrongly
1407 * assembled fragments.
1409 * Clear outstanding fragment when selecting a new
1410 * alternate setting.
1412 spin_lock_irqsave(&data
->rxlock
, flags
);
1413 kfree_skb(data
->sco_skb
);
1414 data
->sco_skb
= NULL
;
1415 spin_unlock_irqrestore(&data
->rxlock
, flags
);
1417 if (__set_isoc_interface(hdev
, new_alts
) < 0)
1421 if (!test_and_set_bit(BTUSB_ISOC_RUNNING
, &data
->flags
)) {
1422 if (btusb_submit_isoc_urb(hdev
, GFP_KERNEL
) < 0)
1423 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1425 btusb_submit_isoc_urb(hdev
, GFP_KERNEL
);
1428 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1429 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1431 __set_isoc_interface(hdev
, 0);
1432 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME
, &data
->flags
))
1433 usb_autopm_put_interface(data
->isoc
? data
->isoc
: data
->intf
);
1437 static void btusb_waker(struct work_struct
*work
)
1439 struct btusb_data
*data
= container_of(work
, struct btusb_data
, waker
);
1442 err
= usb_autopm_get_interface(data
->intf
);
1446 usb_autopm_put_interface(data
->intf
);
1449 static int btusb_setup_bcm92035(struct hci_dev
*hdev
)
1451 struct sk_buff
*skb
;
1454 BT_DBG("%s", hdev
->name
);
1456 skb
= __hci_cmd_sync(hdev
, 0xfc3b, 1, &val
, HCI_INIT_TIMEOUT
);
1458 BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb
));
1465 static int btusb_setup_csr(struct hci_dev
*hdev
)
1467 struct hci_rp_read_local_version
*rp
;
1468 struct sk_buff
*skb
;
1470 BT_DBG("%s", hdev
->name
);
1472 skb
= __hci_cmd_sync(hdev
, HCI_OP_READ_LOCAL_VERSION
, 0, NULL
,
1475 int err
= PTR_ERR(skb
);
1476 BT_ERR("%s: CSR: Local version failed (%d)", hdev
->name
, err
);
1480 if (skb
->len
!= sizeof(struct hci_rp_read_local_version
)) {
1481 BT_ERR("%s: CSR: Local version length mismatch", hdev
->name
);
1486 rp
= (struct hci_rp_read_local_version
*)skb
->data
;
1488 /* Detect controllers which aren't real CSR ones. */
1489 if (le16_to_cpu(rp
->manufacturer
) != 10 ||
1490 le16_to_cpu(rp
->lmp_subver
) == 0x0c5c) {
1491 /* Clear the reset quirk since this is not an actual
1492 * early Bluetooth 1.1 device from CSR.
1494 clear_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
1496 /* These fake CSR controllers have all a broken
1497 * stored link key handling and so just disable it.
1499 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY
, &hdev
->quirks
);
1507 static const struct firmware
*btusb_setup_intel_get_fw(struct hci_dev
*hdev
,
1508 struct intel_version
*ver
)
1510 const struct firmware
*fw
;
1514 snprintf(fwname
, sizeof(fwname
),
1515 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
1516 ver
->hw_platform
, ver
->hw_variant
, ver
->hw_revision
,
1517 ver
->fw_variant
, ver
->fw_revision
, ver
->fw_build_num
,
1518 ver
->fw_build_ww
, ver
->fw_build_yy
);
1520 ret
= request_firmware(&fw
, fwname
, &hdev
->dev
);
1522 if (ret
== -EINVAL
) {
1523 BT_ERR("%s Intel firmware file request failed (%d)",
1528 BT_ERR("%s failed to open Intel firmware file: %s(%d)",
1529 hdev
->name
, fwname
, ret
);
1531 /* If the correct firmware patch file is not found, use the
1532 * default firmware patch file instead
1534 snprintf(fwname
, sizeof(fwname
), "intel/ibt-hw-%x.%x.bseq",
1535 ver
->hw_platform
, ver
->hw_variant
);
1536 if (request_firmware(&fw
, fwname
, &hdev
->dev
) < 0) {
1537 BT_ERR("%s failed to open default Intel fw file: %s",
1538 hdev
->name
, fwname
);
1543 BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev
->name
, fwname
);
1548 static int btusb_setup_intel_patching(struct hci_dev
*hdev
,
1549 const struct firmware
*fw
,
1550 const u8
**fw_ptr
, int *disable_patch
)
1552 struct sk_buff
*skb
;
1553 struct hci_command_hdr
*cmd
;
1554 const u8
*cmd_param
;
1555 struct hci_event_hdr
*evt
= NULL
;
1556 const u8
*evt_param
= NULL
;
1557 int remain
= fw
->size
- (*fw_ptr
- fw
->data
);
1559 /* The first byte indicates the types of the patch command or event.
1560 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
1561 * in the current firmware buffer doesn't start with 0x01 or
1562 * the size of remain buffer is smaller than HCI command header,
1563 * the firmware file is corrupted and it should stop the patching
1566 if (remain
> HCI_COMMAND_HDR_SIZE
&& *fw_ptr
[0] != 0x01) {
1567 BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev
->name
);
1573 cmd
= (struct hci_command_hdr
*)(*fw_ptr
);
1574 *fw_ptr
+= sizeof(*cmd
);
1575 remain
-= sizeof(*cmd
);
1577 /* Ensure that the remain firmware data is long enough than the length
1578 * of command parameter. If not, the firmware file is corrupted.
1580 if (remain
< cmd
->plen
) {
1581 BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev
->name
);
1585 /* If there is a command that loads a patch in the firmware
1586 * file, then enable the patch upon success, otherwise just
1587 * disable the manufacturer mode, for example patch activation
1588 * is not required when the default firmware patch file is used
1589 * because there are no patch data to load.
1591 if (*disable_patch
&& le16_to_cpu(cmd
->opcode
) == 0xfc8e)
1594 cmd_param
= *fw_ptr
;
1595 *fw_ptr
+= cmd
->plen
;
1596 remain
-= cmd
->plen
;
1598 /* This reads the expected events when the above command is sent to the
1599 * device. Some vendor commands expects more than one events, for
1600 * example command status event followed by vendor specific event.
1601 * For this case, it only keeps the last expected event. so the command
1602 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
1603 * last expected event.
1605 while (remain
> HCI_EVENT_HDR_SIZE
&& *fw_ptr
[0] == 0x02) {
1609 evt
= (struct hci_event_hdr
*)(*fw_ptr
);
1610 *fw_ptr
+= sizeof(*evt
);
1611 remain
-= sizeof(*evt
);
1613 if (remain
< evt
->plen
) {
1614 BT_ERR("%s Intel fw corrupted: invalid evt len",
1619 evt_param
= *fw_ptr
;
1620 *fw_ptr
+= evt
->plen
;
1621 remain
-= evt
->plen
;
1624 /* Every HCI commands in the firmware file has its correspond event.
1625 * If event is not found or remain is smaller than zero, the firmware
1626 * file is corrupted.
1628 if (!evt
|| !evt_param
|| remain
< 0) {
1629 BT_ERR("%s Intel fw corrupted: invalid evt read", hdev
->name
);
1633 skb
= __hci_cmd_sync_ev(hdev
, le16_to_cpu(cmd
->opcode
), cmd
->plen
,
1634 cmd_param
, evt
->evt
, HCI_INIT_TIMEOUT
);
1636 BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)",
1637 hdev
->name
, cmd
->opcode
, PTR_ERR(skb
));
1638 return PTR_ERR(skb
);
1641 /* It ensures that the returned event matches the event data read from
1642 * the firmware file. At fist, it checks the length and then
1643 * the contents of the event.
1645 if (skb
->len
!= evt
->plen
) {
1646 BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev
->name
,
1647 le16_to_cpu(cmd
->opcode
));
1652 if (memcmp(skb
->data
, evt_param
, evt
->plen
)) {
1653 BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)",
1654 hdev
->name
, le16_to_cpu(cmd
->opcode
));
1663 static int btusb_setup_intel(struct hci_dev
*hdev
)
1665 struct sk_buff
*skb
;
1666 const struct firmware
*fw
;
1668 int disable_patch
, err
;
1669 struct intel_version ver
;
1671 BT_DBG("%s", hdev
->name
);
1673 /* The controller has a bug with the first HCI command sent to it
1674 * returning number of completed commands as zero. This would stall the
1675 * command processing in the Bluetooth core.
1677 * As a workaround, send HCI Reset command first which will reset the
1678 * number of completed commands and allow normal command processing
1681 skb
= __hci_cmd_sync(hdev
, HCI_OP_RESET
, 0, NULL
, HCI_INIT_TIMEOUT
);
1683 BT_ERR("%s sending initial HCI reset command failed (%ld)",
1684 hdev
->name
, PTR_ERR(skb
));
1685 return PTR_ERR(skb
);
1689 /* Read Intel specific controller version first to allow selection of
1690 * which firmware file to load.
1692 * The returned information are hardware variant and revision plus
1693 * firmware variant, revision and build number.
1695 err
= btintel_read_version(hdev
, &ver
);
1699 BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
1700 hdev
->name
, ver
.hw_platform
, ver
.hw_variant
, ver
.hw_revision
,
1701 ver
.fw_variant
, ver
.fw_revision
, ver
.fw_build_num
,
1702 ver
.fw_build_ww
, ver
.fw_build_yy
, ver
.fw_patch_num
);
1704 /* fw_patch_num indicates the version of patch the device currently
1705 * have. If there is no patch data in the device, it is always 0x00.
1706 * So, if it is other than 0x00, no need to patch the device again.
1708 if (ver
.fw_patch_num
) {
1709 BT_INFO("%s: Intel device is already patched. patch num: %02x",
1710 hdev
->name
, ver
.fw_patch_num
);
1714 /* Opens the firmware patch file based on the firmware version read
1715 * from the controller. If it fails to open the matching firmware
1716 * patch file, it tries to open the default firmware patch file.
1717 * If no patch file is found, allow the device to operate without
1720 fw
= btusb_setup_intel_get_fw(hdev
, &ver
);
1725 /* Enable the manufacturer mode of the controller.
1726 * Only while this mode is enabled, the driver can download the
1727 * firmware patch data and configuration parameters.
1729 err
= btintel_enter_mfg(hdev
);
1731 release_firmware(fw
);
1737 /* The firmware data file consists of list of Intel specific HCI
1738 * commands and its expected events. The first byte indicates the
1739 * type of the message, either HCI command or HCI event.
1741 * It reads the command and its expected event from the firmware file,
1742 * and send to the controller. Once __hci_cmd_sync_ev() returns,
1743 * the returned event is compared with the event read from the firmware
1744 * file and it will continue until all the messages are downloaded to
1747 * Once the firmware patching is completed successfully,
1748 * the manufacturer mode is disabled with reset and activating the
1751 * If the firmware patching fails, the manufacturer mode is
1752 * disabled with reset and deactivating the patch.
1754 * If the default patch file is used, no reset is done when disabling
1757 while (fw
->size
> fw_ptr
- fw
->data
) {
1760 ret
= btusb_setup_intel_patching(hdev
, fw
, &fw_ptr
,
1763 goto exit_mfg_deactivate
;
1766 release_firmware(fw
);
1769 goto exit_mfg_disable
;
1771 /* Patching completed successfully and disable the manufacturer mode
1772 * with reset and activate the downloaded firmware patches.
1774 err
= btintel_exit_mfg(hdev
, true, true);
1778 BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
1784 /* Disable the manufacturer mode without reset */
1785 err
= btintel_exit_mfg(hdev
, false, false);
1789 BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev
->name
);
1793 exit_mfg_deactivate
:
1794 release_firmware(fw
);
1796 /* Patching failed. Disable the manufacturer mode with reset and
1797 * deactivate the downloaded firmware patches.
1799 err
= btintel_exit_mfg(hdev
, true, false);
1803 BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
1807 /* Set the event mask for Intel specific vendor events. This enables
1808 * a few extra events that are useful during general operation.
1810 btintel_set_event_mask_mfg(hdev
, false);
1812 btintel_check_bdaddr(hdev
);
1816 static int inject_cmd_complete(struct hci_dev
*hdev
, __u16 opcode
)
1818 struct sk_buff
*skb
;
1819 struct hci_event_hdr
*hdr
;
1820 struct hci_ev_cmd_complete
*evt
;
1822 skb
= bt_skb_alloc(sizeof(*hdr
) + sizeof(*evt
) + 1, GFP_ATOMIC
);
1826 hdr
= (struct hci_event_hdr
*)skb_put(skb
, sizeof(*hdr
));
1827 hdr
->evt
= HCI_EV_CMD_COMPLETE
;
1828 hdr
->plen
= sizeof(*evt
) + 1;
1830 evt
= (struct hci_ev_cmd_complete
*)skb_put(skb
, sizeof(*evt
));
1832 evt
->opcode
= cpu_to_le16(opcode
);
1834 *skb_put(skb
, 1) = 0x00;
1836 hci_skb_pkt_type(skb
) = HCI_EVENT_PKT
;
1838 return hci_recv_frame(hdev
, skb
);
1841 static int btusb_recv_bulk_intel(struct btusb_data
*data
, void *buffer
,
1844 /* When the device is in bootloader mode, then it can send
1845 * events via the bulk endpoint. These events are treated the
1846 * same way as the ones received from the interrupt endpoint.
1848 if (test_bit(BTUSB_BOOTLOADER
, &data
->flags
))
1849 return btusb_recv_intr(data
, buffer
, count
);
1851 return btusb_recv_bulk(data
, buffer
, count
);
1854 static void btusb_intel_bootup(struct btusb_data
*data
, const void *ptr
,
1857 const struct intel_bootup
*evt
= ptr
;
1859 if (len
!= sizeof(*evt
))
1862 if (test_and_clear_bit(BTUSB_BOOTING
, &data
->flags
)) {
1863 smp_mb__after_atomic();
1864 wake_up_bit(&data
->flags
, BTUSB_BOOTING
);
1868 static void btusb_intel_secure_send_result(struct btusb_data
*data
,
1869 const void *ptr
, unsigned int len
)
1871 const struct intel_secure_send_result
*evt
= ptr
;
1873 if (len
!= sizeof(*evt
))
1877 set_bit(BTUSB_FIRMWARE_FAILED
, &data
->flags
);
1879 if (test_and_clear_bit(BTUSB_DOWNLOADING
, &data
->flags
) &&
1880 test_bit(BTUSB_FIRMWARE_LOADED
, &data
->flags
)) {
1881 smp_mb__after_atomic();
1882 wake_up_bit(&data
->flags
, BTUSB_DOWNLOADING
);
1886 static int btusb_recv_event_intel(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1888 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1890 if (test_bit(BTUSB_BOOTLOADER
, &data
->flags
)) {
1891 struct hci_event_hdr
*hdr
= (void *)skb
->data
;
1893 if (skb
->len
> HCI_EVENT_HDR_SIZE
&& hdr
->evt
== 0xff &&
1895 const void *ptr
= skb
->data
+ HCI_EVENT_HDR_SIZE
+ 1;
1896 unsigned int len
= skb
->len
- HCI_EVENT_HDR_SIZE
- 1;
1898 switch (skb
->data
[2]) {
1900 /* When switching to the operational firmware
1901 * the device sends a vendor specific event
1902 * indicating that the bootup completed.
1904 btusb_intel_bootup(data
, ptr
, len
);
1907 /* When the firmware loading completes the
1908 * device sends out a vendor specific event
1909 * indicating the result of the firmware
1912 btusb_intel_secure_send_result(data
, ptr
, len
);
1918 return hci_recv_frame(hdev
, skb
);
1921 static int btusb_send_frame_intel(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1923 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1926 BT_DBG("%s", hdev
->name
);
1928 switch (hci_skb_pkt_type(skb
)) {
1929 case HCI_COMMAND_PKT
:
1930 if (test_bit(BTUSB_BOOTLOADER
, &data
->flags
)) {
1931 struct hci_command_hdr
*cmd
= (void *)skb
->data
;
1932 __u16 opcode
= le16_to_cpu(cmd
->opcode
);
1934 /* When in bootloader mode and the command 0xfc09
1935 * is received, it needs to be send down the
1936 * bulk endpoint. So allocate a bulk URB instead.
1938 if (opcode
== 0xfc09)
1939 urb
= alloc_bulk_urb(hdev
, skb
);
1941 urb
= alloc_ctrl_urb(hdev
, skb
);
1943 /* When the 0xfc01 command is issued to boot into
1944 * the operational firmware, it will actually not
1945 * send a command complete event. To keep the flow
1946 * control working inject that event here.
1948 if (opcode
== 0xfc01)
1949 inject_cmd_complete(hdev
, opcode
);
1951 urb
= alloc_ctrl_urb(hdev
, skb
);
1954 return PTR_ERR(urb
);
1956 hdev
->stat
.cmd_tx
++;
1957 return submit_or_queue_tx_urb(hdev
, urb
);
1959 case HCI_ACLDATA_PKT
:
1960 urb
= alloc_bulk_urb(hdev
, skb
);
1962 return PTR_ERR(urb
);
1964 hdev
->stat
.acl_tx
++;
1965 return submit_or_queue_tx_urb(hdev
, urb
);
1967 case HCI_SCODATA_PKT
:
1968 if (hci_conn_num(hdev
, SCO_LINK
) < 1)
1971 urb
= alloc_isoc_urb(hdev
, skb
);
1973 return PTR_ERR(urb
);
1975 hdev
->stat
.sco_tx
++;
1976 return submit_tx_urb(hdev
, urb
);
1982 static int btusb_setup_intel_new(struct hci_dev
*hdev
)
1984 static const u8 reset_param
[] = { 0x00, 0x01, 0x00, 0x01,
1985 0x00, 0x08, 0x04, 0x00 };
1986 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1987 struct sk_buff
*skb
;
1988 struct intel_version ver
;
1989 struct intel_boot_params
*params
;
1990 const struct firmware
*fw
;
1994 ktime_t calltime
, delta
, rettime
;
1995 unsigned long long duration
;
1998 BT_DBG("%s", hdev
->name
);
2000 calltime
= ktime_get();
2002 /* Read the Intel version information to determine if the device
2003 * is in bootloader mode or if it already has operational firmware
2006 err
= btintel_read_version(hdev
, &ver
);
2010 /* The hardware platform number has a fixed value of 0x37 and
2011 * for now only accept this single value.
2013 if (ver
.hw_platform
!= 0x37) {
2014 BT_ERR("%s: Unsupported Intel hardware platform (%u)",
2015 hdev
->name
, ver
.hw_platform
);
2019 /* At the moment the iBT 3.0 hardware variants 0x0b (LnP/SfP)
2020 * and 0x0c (WsP) are supported by this firmware loading method.
2022 * This check has been put in place to ensure correct forward
2023 * compatibility options when newer hardware variants come along.
2025 if (ver
.hw_variant
!= 0x0b && ver
.hw_variant
!= 0x0c) {
2026 BT_ERR("%s: Unsupported Intel hardware variant (%u)",
2027 hdev
->name
, ver
.hw_variant
);
2031 btintel_version_info(hdev
, &ver
);
2033 /* The firmware variant determines if the device is in bootloader
2034 * mode or is running operational firmware. The value 0x06 identifies
2035 * the bootloader and the value 0x23 identifies the operational
2038 * When the operational firmware is already present, then only
2039 * the check for valid Bluetooth device address is needed. This
2040 * determines if the device will be added as configured or
2041 * unconfigured controller.
2043 * It is not possible to use the Secure Boot Parameters in this
2044 * case since that command is only available in bootloader mode.
2046 if (ver
.fw_variant
== 0x23) {
2047 clear_bit(BTUSB_BOOTLOADER
, &data
->flags
);
2048 btintel_check_bdaddr(hdev
);
2052 /* If the device is not in bootloader mode, then the only possible
2053 * choice is to return an error and abort the device initialization.
2055 if (ver
.fw_variant
!= 0x06) {
2056 BT_ERR("%s: Unsupported Intel firmware variant (%u)",
2057 hdev
->name
, ver
.fw_variant
);
2061 /* Read the secure boot parameters to identify the operating
2062 * details of the bootloader.
2064 skb
= __hci_cmd_sync(hdev
, 0xfc0d, 0, NULL
, HCI_INIT_TIMEOUT
);
2066 BT_ERR("%s: Reading Intel boot parameters failed (%ld)",
2067 hdev
->name
, PTR_ERR(skb
));
2068 return PTR_ERR(skb
);
2071 if (skb
->len
!= sizeof(*params
)) {
2072 BT_ERR("%s: Intel boot parameters size mismatch", hdev
->name
);
2077 params
= (struct intel_boot_params
*)skb
->data
;
2079 BT_INFO("%s: Device revision is %u", hdev
->name
,
2080 le16_to_cpu(params
->dev_revid
));
2082 BT_INFO("%s: Secure boot is %s", hdev
->name
,
2083 params
->secure_boot
? "enabled" : "disabled");
2085 BT_INFO("%s: OTP lock is %s", hdev
->name
,
2086 params
->otp_lock
? "enabled" : "disabled");
2088 BT_INFO("%s: API lock is %s", hdev
->name
,
2089 params
->api_lock
? "enabled" : "disabled");
2091 BT_INFO("%s: Debug lock is %s", hdev
->name
,
2092 params
->debug_lock
? "enabled" : "disabled");
2094 BT_INFO("%s: Minimum firmware build %u week %u %u", hdev
->name
,
2095 params
->min_fw_build_nn
, params
->min_fw_build_cw
,
2096 2000 + params
->min_fw_build_yy
);
2098 /* It is required that every single firmware fragment is acknowledged
2099 * with a command complete event. If the boot parameters indicate
2100 * that this bootloader does not send them, then abort the setup.
2102 if (params
->limited_cce
!= 0x00) {
2103 BT_ERR("%s: Unsupported Intel firmware loading method (%u)",
2104 hdev
->name
, params
->limited_cce
);
2109 /* If the OTP has no valid Bluetooth device address, then there will
2110 * also be no valid address for the operational firmware.
2112 if (!bacmp(¶ms
->otp_bdaddr
, BDADDR_ANY
)) {
2113 BT_INFO("%s: No device address configured", hdev
->name
);
2114 set_bit(HCI_QUIRK_INVALID_BDADDR
, &hdev
->quirks
);
2117 /* With this Intel bootloader only the hardware variant and device
2118 * revision information are used to select the right firmware.
2120 * The firmware filename is ibt-<hw_variant>-<dev_revid>.sfi.
2122 * Currently the supported hardware variants are:
2123 * 11 (0x0b) for iBT3.0 (LnP/SfP)
2124 * 12 (0x0c) for iBT3.5 (WsP)
2126 snprintf(fwname
, sizeof(fwname
), "intel/ibt-%u-%u.sfi",
2127 le16_to_cpu(ver
.hw_variant
),
2128 le16_to_cpu(params
->dev_revid
));
2130 err
= request_firmware(&fw
, fwname
, &hdev
->dev
);
2132 BT_ERR("%s: Failed to load Intel firmware file (%d)",
2138 BT_INFO("%s: Found device firmware: %s", hdev
->name
, fwname
);
2140 /* Save the DDC file name for later use to apply once the firmware
2141 * downloading is done.
2143 snprintf(fwname
, sizeof(fwname
), "intel/ibt-%u-%u.ddc",
2144 le16_to_cpu(ver
.hw_variant
),
2145 le16_to_cpu(params
->dev_revid
));
2149 if (fw
->size
< 644) {
2150 BT_ERR("%s: Invalid size of firmware file (%zu)",
2151 hdev
->name
, fw
->size
);
2156 set_bit(BTUSB_DOWNLOADING
, &data
->flags
);
2158 /* Start the firmware download transaction with the Init fragment
2159 * represented by the 128 bytes of CSS header.
2161 err
= btintel_secure_send(hdev
, 0x00, 128, fw
->data
);
2163 BT_ERR("%s: Failed to send firmware header (%d)",
2168 /* Send the 256 bytes of public key information from the firmware
2169 * as the PKey fragment.
2171 err
= btintel_secure_send(hdev
, 0x03, 256, fw
->data
+ 128);
2173 BT_ERR("%s: Failed to send firmware public key (%d)",
2178 /* Send the 256 bytes of signature information from the firmware
2179 * as the Sign fragment.
2181 err
= btintel_secure_send(hdev
, 0x02, 256, fw
->data
+ 388);
2183 BT_ERR("%s: Failed to send firmware signature (%d)",
2188 fw_ptr
= fw
->data
+ 644;
2191 while (fw_ptr
- fw
->data
< fw
->size
) {
2192 struct hci_command_hdr
*cmd
= (void *)(fw_ptr
+ frag_len
);
2194 frag_len
+= sizeof(*cmd
) + cmd
->plen
;
2196 /* The parameter length of the secure send command requires
2197 * a 4 byte alignment. It happens so that the firmware file
2198 * contains proper Intel_NOP commands to align the fragments
2201 * Send set of commands with 4 byte alignment from the
2202 * firmware data buffer as a single Data fragement.
2204 if (!(frag_len
% 4)) {
2205 err
= btintel_secure_send(hdev
, 0x01, frag_len
, fw_ptr
);
2207 BT_ERR("%s: Failed to send firmware data (%d)",
2217 set_bit(BTUSB_FIRMWARE_LOADED
, &data
->flags
);
2219 BT_INFO("%s: Waiting for firmware download to complete", hdev
->name
);
2221 /* Before switching the device into operational mode and with that
2222 * booting the loaded firmware, wait for the bootloader notification
2223 * that all fragments have been successfully received.
2225 * When the event processing receives the notification, then the
2226 * BTUSB_DOWNLOADING flag will be cleared.
2228 * The firmware loading should not take longer than 5 seconds
2229 * and thus just timeout if that happens and fail the setup
2232 err
= wait_on_bit_timeout(&data
->flags
, BTUSB_DOWNLOADING
,
2234 msecs_to_jiffies(5000));
2235 if (err
== -EINTR
) {
2236 BT_ERR("%s: Firmware loading interrupted", hdev
->name
);
2241 BT_ERR("%s: Firmware loading timeout", hdev
->name
);
2246 if (test_bit(BTUSB_FIRMWARE_FAILED
, &data
->flags
)) {
2247 BT_ERR("%s: Firmware loading failed", hdev
->name
);
2252 rettime
= ktime_get();
2253 delta
= ktime_sub(rettime
, calltime
);
2254 duration
= (unsigned long long) ktime_to_ns(delta
) >> 10;
2256 BT_INFO("%s: Firmware loaded in %llu usecs", hdev
->name
, duration
);
2259 release_firmware(fw
);
2264 calltime
= ktime_get();
2266 set_bit(BTUSB_BOOTING
, &data
->flags
);
2268 skb
= __hci_cmd_sync(hdev
, 0xfc01, sizeof(reset_param
), reset_param
,
2271 return PTR_ERR(skb
);
2275 /* The bootloader will not indicate when the device is ready. This
2276 * is done by the operational firmware sending bootup notification.
2278 * Booting into operational firmware should not take longer than
2279 * 1 second. However if that happens, then just fail the setup
2280 * since something went wrong.
2282 BT_INFO("%s: Waiting for device to boot", hdev
->name
);
2284 err
= wait_on_bit_timeout(&data
->flags
, BTUSB_BOOTING
,
2286 msecs_to_jiffies(1000));
2288 if (err
== -EINTR
) {
2289 BT_ERR("%s: Device boot interrupted", hdev
->name
);
2294 BT_ERR("%s: Device boot timeout", hdev
->name
);
2298 rettime
= ktime_get();
2299 delta
= ktime_sub(rettime
, calltime
);
2300 duration
= (unsigned long long) ktime_to_ns(delta
) >> 10;
2302 BT_INFO("%s: Device booted in %llu usecs", hdev
->name
, duration
);
2304 clear_bit(BTUSB_BOOTLOADER
, &data
->flags
);
2306 /* Once the device is running in operational mode, it needs to apply
2307 * the device configuration (DDC) parameters.
2309 * The device can work without DDC parameters, so even if it fails
2310 * to load the file, no need to fail the setup.
2312 btintel_load_ddc_config(hdev
, fwname
);
2314 /* Set the event mask for Intel specific vendor events. This enables
2315 * a few extra events that are useful during general operation. It
2316 * does not enable any debugging related events.
2318 * The device will function correctly without these events enabled
2319 * and thus no need to fail the setup.
2321 btintel_set_event_mask(hdev
, false);
2326 static int btusb_shutdown_intel(struct hci_dev
*hdev
)
2328 struct sk_buff
*skb
;
2331 /* Some platforms have an issue with BT LED when the interface is
2332 * down or BT radio is turned off, which takes 5 seconds to BT LED
2333 * goes off. This command turns off the BT LED immediately.
2335 skb
= __hci_cmd_sync(hdev
, 0xfc3f, 0, NULL
, HCI_INIT_TIMEOUT
);
2338 BT_ERR("%s: turning off Intel device LED failed (%ld)",
2347 static int btusb_set_bdaddr_marvell(struct hci_dev
*hdev
,
2348 const bdaddr_t
*bdaddr
)
2350 struct sk_buff
*skb
;
2355 buf
[1] = sizeof(bdaddr_t
);
2356 memcpy(buf
+ 2, bdaddr
, sizeof(bdaddr_t
));
2358 skb
= __hci_cmd_sync(hdev
, 0xfc22, sizeof(buf
), buf
, HCI_INIT_TIMEOUT
);
2361 BT_ERR("%s: changing Marvell device address failed (%ld)",
2370 static int btusb_set_bdaddr_ath3012(struct hci_dev
*hdev
,
2371 const bdaddr_t
*bdaddr
)
2373 struct sk_buff
*skb
;
2380 buf
[3] = sizeof(bdaddr_t
);
2381 memcpy(buf
+ 4, bdaddr
, sizeof(bdaddr_t
));
2383 skb
= __hci_cmd_sync(hdev
, 0xfc0b, sizeof(buf
), buf
, HCI_INIT_TIMEOUT
);
2386 BT_ERR("%s: Change address command failed (%ld)",
2395 #define QCA_DFU_PACKET_LEN 4096
2397 #define QCA_GET_TARGET_VERSION 0x09
2398 #define QCA_CHECK_STATUS 0x05
2399 #define QCA_DFU_DOWNLOAD 0x01
2401 #define QCA_SYSCFG_UPDATED 0x40
2402 #define QCA_PATCH_UPDATED 0x80
2403 #define QCA_DFU_TIMEOUT 3000
2405 struct qca_version
{
2407 __le32 patch_version
;
2413 struct qca_rampatch_version
{
2415 __le16 patch_version
;
2418 struct qca_device_info
{
2420 u8 rampatch_hdr
; /* length of header in rampatch */
2421 u8 nvm_hdr
; /* length of header in NVM */
2422 u8 ver_offset
; /* offset of version structure in rampatch */
2425 static const struct qca_device_info qca_devices_table
[] = {
2426 { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */
2427 { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
2428 { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
2429 { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
2430 { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
2431 { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
2434 static int btusb_qca_send_vendor_req(struct hci_dev
*hdev
, u8 request
,
2435 void *data
, u16 size
)
2437 struct btusb_data
*btdata
= hci_get_drvdata(hdev
);
2438 struct usb_device
*udev
= btdata
->udev
;
2442 buf
= kmalloc(size
, GFP_KERNEL
);
2446 /* Found some of USB hosts have IOT issues with ours so that we should
2447 * not wait until HCI layer is ready.
2449 pipe
= usb_rcvctrlpipe(udev
, 0);
2450 err
= usb_control_msg(udev
, pipe
, request
, USB_TYPE_VENDOR
| USB_DIR_IN
,
2451 0, 0, buf
, size
, USB_CTRL_SET_TIMEOUT
);
2453 BT_ERR("%s: Failed to access otp area (%d)", hdev
->name
, err
);
2457 memcpy(data
, buf
, size
);
2465 static int btusb_setup_qca_download_fw(struct hci_dev
*hdev
,
2466 const struct firmware
*firmware
,
2469 struct btusb_data
*btdata
= hci_get_drvdata(hdev
);
2470 struct usb_device
*udev
= btdata
->udev
;
2471 size_t count
, size
, sent
= 0;
2475 buf
= kmalloc(QCA_DFU_PACKET_LEN
, GFP_KERNEL
);
2479 count
= firmware
->size
;
2481 size
= min_t(size_t, count
, hdr_size
);
2482 memcpy(buf
, firmware
->data
, size
);
2484 /* USB patches should go down to controller through USB path
2485 * because binary format fits to go down through USB channel.
2486 * USB control path is for patching headers and USB bulk is for
2489 pipe
= usb_sndctrlpipe(udev
, 0);
2490 err
= usb_control_msg(udev
, pipe
, QCA_DFU_DOWNLOAD
, USB_TYPE_VENDOR
,
2491 0, 0, buf
, size
, USB_CTRL_SET_TIMEOUT
);
2493 BT_ERR("%s: Failed to send headers (%d)", hdev
->name
, err
);
2501 size
= min_t(size_t, count
, QCA_DFU_PACKET_LEN
);
2503 memcpy(buf
, firmware
->data
+ sent
, size
);
2505 pipe
= usb_sndbulkpipe(udev
, 0x02);
2506 err
= usb_bulk_msg(udev
, pipe
, buf
, size
, &len
,
2509 BT_ERR("%s: Failed to send body at %zd of %zd (%d)",
2510 hdev
->name
, sent
, firmware
->size
, err
);
2515 BT_ERR("%s: Failed to get bulk buffer", hdev
->name
);
2529 static int btusb_setup_qca_load_rampatch(struct hci_dev
*hdev
,
2530 struct qca_version
*ver
,
2531 const struct qca_device_info
*info
)
2533 struct qca_rampatch_version
*rver
;
2534 const struct firmware
*fw
;
2535 u32 ver_rom
, ver_patch
;
2536 u16 rver_rom
, rver_patch
;
2540 ver_rom
= le32_to_cpu(ver
->rom_version
);
2541 ver_patch
= le32_to_cpu(ver
->patch_version
);
2543 snprintf(fwname
, sizeof(fwname
), "qca/rampatch_usb_%08x.bin", ver_rom
);
2545 err
= request_firmware(&fw
, fwname
, &hdev
->dev
);
2547 BT_ERR("%s: failed to request rampatch file: %s (%d)",
2548 hdev
->name
, fwname
, err
);
2552 BT_INFO("%s: using rampatch file: %s", hdev
->name
, fwname
);
2554 rver
= (struct qca_rampatch_version
*)(fw
->data
+ info
->ver_offset
);
2555 rver_rom
= le16_to_cpu(rver
->rom_version
);
2556 rver_patch
= le16_to_cpu(rver
->patch_version
);
2558 BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x "
2559 "build 0x%x", hdev
->name
, rver_rom
, rver_patch
, ver_rom
,
2562 if (rver_rom
!= ver_rom
|| rver_patch
<= ver_patch
) {
2563 BT_ERR("%s: rampatch file version did not match with firmware",
2569 err
= btusb_setup_qca_download_fw(hdev
, fw
, info
->rampatch_hdr
);
2572 release_firmware(fw
);
2577 static int btusb_setup_qca_load_nvm(struct hci_dev
*hdev
,
2578 struct qca_version
*ver
,
2579 const struct qca_device_info
*info
)
2581 const struct firmware
*fw
;
2585 snprintf(fwname
, sizeof(fwname
), "qca/nvm_usb_%08x.bin",
2586 le32_to_cpu(ver
->rom_version
));
2588 err
= request_firmware(&fw
, fwname
, &hdev
->dev
);
2590 BT_ERR("%s: failed to request NVM file: %s (%d)",
2591 hdev
->name
, fwname
, err
);
2595 BT_INFO("%s: using NVM file: %s", hdev
->name
, fwname
);
2597 err
= btusb_setup_qca_download_fw(hdev
, fw
, info
->nvm_hdr
);
2599 release_firmware(fw
);
2604 static int btusb_setup_qca(struct hci_dev
*hdev
)
2606 const struct qca_device_info
*info
= NULL
;
2607 struct qca_version ver
;
2612 err
= btusb_qca_send_vendor_req(hdev
, QCA_GET_TARGET_VERSION
, &ver
,
2617 ver_rom
= le32_to_cpu(ver
.rom_version
);
2618 for (i
= 0; i
< ARRAY_SIZE(qca_devices_table
); i
++) {
2619 if (ver_rom
== qca_devices_table
[i
].rom_version
)
2620 info
= &qca_devices_table
[i
];
2623 BT_ERR("%s: don't support firmware rome 0x%x", hdev
->name
,
2628 err
= btusb_qca_send_vendor_req(hdev
, QCA_CHECK_STATUS
, &status
,
2633 if (!(status
& QCA_PATCH_UPDATED
)) {
2634 err
= btusb_setup_qca_load_rampatch(hdev
, &ver
, info
);
2639 if (!(status
& QCA_SYSCFG_UPDATED
)) {
2640 err
= btusb_setup_qca_load_nvm(hdev
, &ver
, info
);
2648 #ifdef CONFIG_BT_HCIBTUSB_BCM
2649 static inline int __set_diag_interface(struct hci_dev
*hdev
)
2651 struct btusb_data
*data
= hci_get_drvdata(hdev
);
2652 struct usb_interface
*intf
= data
->diag
;
2658 data
->diag_tx_ep
= NULL
;
2659 data
->diag_rx_ep
= NULL
;
2661 for (i
= 0; i
< intf
->cur_altsetting
->desc
.bNumEndpoints
; i
++) {
2662 struct usb_endpoint_descriptor
*ep_desc
;
2664 ep_desc
= &intf
->cur_altsetting
->endpoint
[i
].desc
;
2666 if (!data
->diag_tx_ep
&& usb_endpoint_is_bulk_out(ep_desc
)) {
2667 data
->diag_tx_ep
= ep_desc
;
2671 if (!data
->diag_rx_ep
&& usb_endpoint_is_bulk_in(ep_desc
)) {
2672 data
->diag_rx_ep
= ep_desc
;
2677 if (!data
->diag_tx_ep
|| !data
->diag_rx_ep
) {
2678 BT_ERR("%s invalid diagnostic descriptors", hdev
->name
);
2685 static struct urb
*alloc_diag_urb(struct hci_dev
*hdev
, bool enable
)
2687 struct btusb_data
*data
= hci_get_drvdata(hdev
);
2688 struct sk_buff
*skb
;
2692 if (!data
->diag_tx_ep
)
2693 return ERR_PTR(-ENODEV
);
2695 urb
= usb_alloc_urb(0, GFP_KERNEL
);
2697 return ERR_PTR(-ENOMEM
);
2699 skb
= bt_skb_alloc(2, GFP_KERNEL
);
2702 return ERR_PTR(-ENOMEM
);
2705 *skb_put(skb
, 1) = 0xf0;
2706 *skb_put(skb
, 1) = enable
;
2708 pipe
= usb_sndbulkpipe(data
->udev
, data
->diag_tx_ep
->bEndpointAddress
);
2710 usb_fill_bulk_urb(urb
, data
->udev
, pipe
,
2711 skb
->data
, skb
->len
, btusb_tx_complete
, skb
);
2713 skb
->dev
= (void *)hdev
;
2718 static int btusb_bcm_set_diag(struct hci_dev
*hdev
, bool enable
)
2720 struct btusb_data
*data
= hci_get_drvdata(hdev
);
2726 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
2729 urb
= alloc_diag_urb(hdev
, enable
);
2731 return PTR_ERR(urb
);
2733 return submit_or_queue_tx_urb(hdev
, urb
);
2737 static int btusb_probe(struct usb_interface
*intf
,
2738 const struct usb_device_id
*id
)
2740 struct usb_endpoint_descriptor
*ep_desc
;
2741 struct btusb_data
*data
;
2742 struct hci_dev
*hdev
;
2743 unsigned ifnum_base
;
2746 BT_DBG("intf %p id %p", intf
, id
);
2748 /* interface numbers are hardcoded in the spec */
2749 if (intf
->cur_altsetting
->desc
.bInterfaceNumber
!= 0) {
2750 if (!(id
->driver_info
& BTUSB_IFNUM_2
))
2752 if (intf
->cur_altsetting
->desc
.bInterfaceNumber
!= 2)
2756 ifnum_base
= intf
->cur_altsetting
->desc
.bInterfaceNumber
;
2758 if (!id
->driver_info
) {
2759 const struct usb_device_id
*match
;
2761 match
= usb_match_id(intf
, blacklist_table
);
2766 if (id
->driver_info
== BTUSB_IGNORE
)
2769 if (id
->driver_info
& BTUSB_ATH3012
) {
2770 struct usb_device
*udev
= interface_to_usbdev(intf
);
2772 /* Old firmware would otherwise let ath3k driver load
2773 * patch and sysconfig files */
2774 if (le16_to_cpu(udev
->descriptor
.bcdDevice
) <= 0x0001)
2778 data
= devm_kzalloc(&intf
->dev
, sizeof(*data
), GFP_KERNEL
);
2782 for (i
= 0; i
< intf
->cur_altsetting
->desc
.bNumEndpoints
; i
++) {
2783 ep_desc
= &intf
->cur_altsetting
->endpoint
[i
].desc
;
2785 if (!data
->intr_ep
&& usb_endpoint_is_int_in(ep_desc
)) {
2786 data
->intr_ep
= ep_desc
;
2790 if (!data
->bulk_tx_ep
&& usb_endpoint_is_bulk_out(ep_desc
)) {
2791 data
->bulk_tx_ep
= ep_desc
;
2795 if (!data
->bulk_rx_ep
&& usb_endpoint_is_bulk_in(ep_desc
)) {
2796 data
->bulk_rx_ep
= ep_desc
;
2801 if (!data
->intr_ep
|| !data
->bulk_tx_ep
|| !data
->bulk_rx_ep
)
2804 if (id
->driver_info
& BTUSB_AMP
) {
2805 data
->cmdreq_type
= USB_TYPE_CLASS
| 0x01;
2806 data
->cmdreq
= 0x2b;
2808 data
->cmdreq_type
= USB_TYPE_CLASS
;
2809 data
->cmdreq
= 0x00;
2812 data
->udev
= interface_to_usbdev(intf
);
2815 INIT_WORK(&data
->work
, btusb_work
);
2816 INIT_WORK(&data
->waker
, btusb_waker
);
2817 init_usb_anchor(&data
->deferred
);
2818 init_usb_anchor(&data
->tx_anchor
);
2819 spin_lock_init(&data
->txlock
);
2821 init_usb_anchor(&data
->intr_anchor
);
2822 init_usb_anchor(&data
->bulk_anchor
);
2823 init_usb_anchor(&data
->isoc_anchor
);
2824 init_usb_anchor(&data
->diag_anchor
);
2825 spin_lock_init(&data
->rxlock
);
2827 if (id
->driver_info
& BTUSB_INTEL_NEW
) {
2828 data
->recv_event
= btusb_recv_event_intel
;
2829 data
->recv_bulk
= btusb_recv_bulk_intel
;
2830 set_bit(BTUSB_BOOTLOADER
, &data
->flags
);
2832 data
->recv_event
= hci_recv_frame
;
2833 data
->recv_bulk
= btusb_recv_bulk
;
2836 hdev
= hci_alloc_dev();
2840 hdev
->bus
= HCI_USB
;
2841 hci_set_drvdata(hdev
, data
);
2843 if (id
->driver_info
& BTUSB_AMP
)
2844 hdev
->dev_type
= HCI_AMP
;
2846 hdev
->dev_type
= HCI_PRIMARY
;
2850 SET_HCIDEV_DEV(hdev
, &intf
->dev
);
2852 hdev
->open
= btusb_open
;
2853 hdev
->close
= btusb_close
;
2854 hdev
->flush
= btusb_flush
;
2855 hdev
->send
= btusb_send_frame
;
2856 hdev
->notify
= btusb_notify
;
2858 if (id
->driver_info
& BTUSB_CW6622
)
2859 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY
, &hdev
->quirks
);
2861 if (id
->driver_info
& BTUSB_BCM2045
)
2862 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY
, &hdev
->quirks
);
2864 if (id
->driver_info
& BTUSB_BCM92035
)
2865 hdev
->setup
= btusb_setup_bcm92035
;
2867 #ifdef CONFIG_BT_HCIBTUSB_BCM
2868 if (id
->driver_info
& BTUSB_BCM_PATCHRAM
) {
2869 hdev
->manufacturer
= 15;
2870 hdev
->setup
= btbcm_setup_patchram
;
2871 hdev
->set_diag
= btusb_bcm_set_diag
;
2872 hdev
->set_bdaddr
= btbcm_set_bdaddr
;
2874 /* Broadcom LM_DIAG Interface numbers are hardcoded */
2875 data
->diag
= usb_ifnum_to_if(data
->udev
, ifnum_base
+ 2);
2878 if (id
->driver_info
& BTUSB_BCM_APPLE
) {
2879 hdev
->manufacturer
= 15;
2880 hdev
->setup
= btbcm_setup_apple
;
2881 hdev
->set_diag
= btusb_bcm_set_diag
;
2883 /* Broadcom LM_DIAG Interface numbers are hardcoded */
2884 data
->diag
= usb_ifnum_to_if(data
->udev
, ifnum_base
+ 2);
2888 if (id
->driver_info
& BTUSB_INTEL
) {
2889 hdev
->manufacturer
= 2;
2890 hdev
->setup
= btusb_setup_intel
;
2891 hdev
->shutdown
= btusb_shutdown_intel
;
2892 hdev
->set_diag
= btintel_set_diag_mfg
;
2893 hdev
->set_bdaddr
= btintel_set_bdaddr
;
2894 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
2895 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY
, &hdev
->quirks
);
2896 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG
, &hdev
->quirks
);
2899 if (id
->driver_info
& BTUSB_INTEL_NEW
) {
2900 hdev
->manufacturer
= 2;
2901 hdev
->send
= btusb_send_frame_intel
;
2902 hdev
->setup
= btusb_setup_intel_new
;
2903 hdev
->hw_error
= btintel_hw_error
;
2904 hdev
->set_diag
= btintel_set_diag
;
2905 hdev
->set_bdaddr
= btintel_set_bdaddr
;
2906 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
2907 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG
, &hdev
->quirks
);
2910 if (id
->driver_info
& BTUSB_MARVELL
)
2911 hdev
->set_bdaddr
= btusb_set_bdaddr_marvell
;
2913 if (id
->driver_info
& BTUSB_SWAVE
) {
2914 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE
, &hdev
->quirks
);
2915 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS
, &hdev
->quirks
);
2918 if (id
->driver_info
& BTUSB_INTEL_BOOT
) {
2919 hdev
->manufacturer
= 2;
2920 set_bit(HCI_QUIRK_RAW_DEVICE
, &hdev
->quirks
);
2923 if (id
->driver_info
& BTUSB_ATH3012
) {
2924 hdev
->set_bdaddr
= btusb_set_bdaddr_ath3012
;
2925 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY
, &hdev
->quirks
);
2926 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
2929 if (id
->driver_info
& BTUSB_QCA_ROME
) {
2930 data
->setup_on_usb
= btusb_setup_qca
;
2931 hdev
->set_bdaddr
= btusb_set_bdaddr_ath3012
;
2934 #ifdef CONFIG_BT_HCIBTUSB_RTL
2935 if (id
->driver_info
& BTUSB_REALTEK
) {
2936 hdev
->setup
= btrtl_setup_realtek
;
2938 /* Realtek devices lose their updated firmware over suspend,
2939 * but the USB hub doesn't notice any status change.
2940 * Explicitly request a device reset on resume.
2942 set_bit(BTUSB_RESET_RESUME
, &data
->flags
);
2946 if (id
->driver_info
& BTUSB_AMP
) {
2947 /* AMP controllers do not support SCO packets */
2950 /* Interface orders are hardcoded in the specification */
2951 data
->isoc
= usb_ifnum_to_if(data
->udev
, ifnum_base
+ 1);
2955 set_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
2957 if (force_scofix
|| id
->driver_info
& BTUSB_WRONG_SCO_MTU
) {
2958 if (!disable_scofix
)
2959 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE
, &hdev
->quirks
);
2962 if (id
->driver_info
& BTUSB_BROKEN_ISOC
)
2965 if (id
->driver_info
& BTUSB_DIGIANSWER
) {
2966 data
->cmdreq_type
= USB_TYPE_VENDOR
;
2967 set_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
2970 if (id
->driver_info
& BTUSB_CSR
) {
2971 struct usb_device
*udev
= data
->udev
;
2972 u16 bcdDevice
= le16_to_cpu(udev
->descriptor
.bcdDevice
);
2974 /* Old firmware would otherwise execute USB reset */
2975 if (bcdDevice
< 0x117)
2976 set_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
2978 /* Fake CSR devices with broken commands */
2979 if (bcdDevice
<= 0x100 || bcdDevice
== 0x134)
2980 hdev
->setup
= btusb_setup_csr
;
2982 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY
, &hdev
->quirks
);
2985 if (id
->driver_info
& BTUSB_SNIFFER
) {
2986 struct usb_device
*udev
= data
->udev
;
2988 /* New sniffer firmware has crippled HCI interface */
2989 if (le16_to_cpu(udev
->descriptor
.bcdDevice
) > 0x997)
2990 set_bit(HCI_QUIRK_RAW_DEVICE
, &hdev
->quirks
);
2993 if (id
->driver_info
& BTUSB_INTEL_BOOT
) {
2994 /* A bug in the bootloader causes that interrupt interface is
2995 * only enabled after receiving SetInterface(0, AltSetting=0).
2997 err
= usb_set_interface(data
->udev
, 0, 0);
2999 BT_ERR("failed to set interface 0, alt 0 %d", err
);
3006 err
= usb_driver_claim_interface(&btusb_driver
,
3014 #ifdef CONFIG_BT_HCIBTUSB_BCM
3016 if (!usb_driver_claim_interface(&btusb_driver
,
3018 __set_diag_interface(hdev
);
3024 err
= hci_register_dev(hdev
);
3030 usb_set_intfdata(intf
, data
);
3035 static void btusb_disconnect(struct usb_interface
*intf
)
3037 struct btusb_data
*data
= usb_get_intfdata(intf
);
3038 struct hci_dev
*hdev
;
3040 BT_DBG("intf %p", intf
);
3046 usb_set_intfdata(data
->intf
, NULL
);
3049 usb_set_intfdata(data
->isoc
, NULL
);
3052 usb_set_intfdata(data
->diag
, NULL
);
3054 hci_unregister_dev(hdev
);
3056 if (intf
== data
->intf
) {
3058 usb_driver_release_interface(&btusb_driver
, data
->isoc
);
3060 usb_driver_release_interface(&btusb_driver
, data
->diag
);
3061 } else if (intf
== data
->isoc
) {
3063 usb_driver_release_interface(&btusb_driver
, data
->diag
);
3064 usb_driver_release_interface(&btusb_driver
, data
->intf
);
3065 } else if (intf
== data
->diag
) {
3066 usb_driver_release_interface(&btusb_driver
, data
->intf
);
3068 usb_driver_release_interface(&btusb_driver
, data
->isoc
);
3075 static int btusb_suspend(struct usb_interface
*intf
, pm_message_t message
)
3077 struct btusb_data
*data
= usb_get_intfdata(intf
);
3079 BT_DBG("intf %p", intf
);
3081 if (data
->suspend_count
++)
3084 spin_lock_irq(&data
->txlock
);
3085 if (!(PMSG_IS_AUTO(message
) && data
->tx_in_flight
)) {
3086 set_bit(BTUSB_SUSPENDING
, &data
->flags
);
3087 spin_unlock_irq(&data
->txlock
);
3089 spin_unlock_irq(&data
->txlock
);
3090 data
->suspend_count
--;
3094 cancel_work_sync(&data
->work
);
3096 btusb_stop_traffic(data
);
3097 usb_kill_anchored_urbs(&data
->tx_anchor
);
3099 /* Optionally request a device reset on resume, but only when
3100 * wakeups are disabled. If wakeups are enabled we assume the
3101 * device will stay powered up throughout suspend.
3103 if (test_bit(BTUSB_RESET_RESUME
, &data
->flags
) &&
3104 !device_may_wakeup(&data
->udev
->dev
))
3105 data
->udev
->reset_resume
= 1;
3110 static void play_deferred(struct btusb_data
*data
)
3115 while ((urb
= usb_get_from_anchor(&data
->deferred
))) {
3116 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
3120 data
->tx_in_flight
++;
3122 usb_scuttle_anchored_urbs(&data
->deferred
);
3125 static int btusb_resume(struct usb_interface
*intf
)
3127 struct btusb_data
*data
= usb_get_intfdata(intf
);
3128 struct hci_dev
*hdev
= data
->hdev
;
3131 BT_DBG("intf %p", intf
);
3133 if (--data
->suspend_count
)
3136 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
3139 if (test_bit(BTUSB_INTR_RUNNING
, &data
->flags
)) {
3140 err
= btusb_submit_intr_urb(hdev
, GFP_NOIO
);
3142 clear_bit(BTUSB_INTR_RUNNING
, &data
->flags
);
3147 if (test_bit(BTUSB_BULK_RUNNING
, &data
->flags
)) {
3148 err
= btusb_submit_bulk_urb(hdev
, GFP_NOIO
);
3150 clear_bit(BTUSB_BULK_RUNNING
, &data
->flags
);
3154 btusb_submit_bulk_urb(hdev
, GFP_NOIO
);
3157 if (test_bit(BTUSB_ISOC_RUNNING
, &data
->flags
)) {
3158 if (btusb_submit_isoc_urb(hdev
, GFP_NOIO
) < 0)
3159 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
3161 btusb_submit_isoc_urb(hdev
, GFP_NOIO
);
3164 spin_lock_irq(&data
->txlock
);
3165 play_deferred(data
);
3166 clear_bit(BTUSB_SUSPENDING
, &data
->flags
);
3167 spin_unlock_irq(&data
->txlock
);
3168 schedule_work(&data
->work
);
3173 usb_scuttle_anchored_urbs(&data
->deferred
);
3175 spin_lock_irq(&data
->txlock
);
3176 clear_bit(BTUSB_SUSPENDING
, &data
->flags
);
3177 spin_unlock_irq(&data
->txlock
);
3183 static struct usb_driver btusb_driver
= {
3185 .probe
= btusb_probe
,
3186 .disconnect
= btusb_disconnect
,
3188 .suspend
= btusb_suspend
,
3189 .resume
= btusb_resume
,
3191 .id_table
= btusb_table
,
3192 .supports_autosuspend
= 1,
3193 .disable_hub_initiated_lpm
= 1,
3196 module_usb_driver(btusb_driver
);
3198 module_param(disable_scofix
, bool, 0644);
3199 MODULE_PARM_DESC(disable_scofix
, "Disable fixup of wrong SCO buffer size");
3201 module_param(force_scofix
, bool, 0644);
3202 MODULE_PARM_DESC(force_scofix
, "Force fixup of wrong SCO buffers size");
3204 module_param(reset
, bool, 0644);
3205 MODULE_PARM_DESC(reset
, "Send HCI reset command on initialization");
3207 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
3208 MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION
);
3209 MODULE_VERSION(VERSION
);
3210 MODULE_LICENSE("GPL");