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 <linux/of_device.h>
28 #include <linux/of_irq.h>
29 #include <linux/suspend.h>
30 #include <asm/unaligned.h>
32 #include <net/bluetooth/bluetooth.h>
33 #include <net/bluetooth/hci_core.h>
41 static bool disable_scofix
;
42 static bool force_scofix
;
44 static bool reset
= true;
46 static struct usb_driver btusb_driver
;
48 #define BTUSB_IGNORE 0x01
49 #define BTUSB_DIGIANSWER 0x02
50 #define BTUSB_CSR 0x04
51 #define BTUSB_SNIFFER 0x08
52 #define BTUSB_BCM92035 0x10
53 #define BTUSB_BROKEN_ISOC 0x20
54 #define BTUSB_WRONG_SCO_MTU 0x40
55 #define BTUSB_ATH3012 0x80
56 #define BTUSB_INTEL 0x100
57 #define BTUSB_INTEL_BOOT 0x200
58 #define BTUSB_BCM_PATCHRAM 0x400
59 #define BTUSB_MARVELL 0x800
60 #define BTUSB_SWAVE 0x1000
61 #define BTUSB_INTEL_NEW 0x2000
62 #define BTUSB_AMP 0x4000
63 #define BTUSB_QCA_ROME 0x8000
64 #define BTUSB_BCM_APPLE 0x10000
65 #define BTUSB_REALTEK 0x20000
66 #define BTUSB_BCM2045 0x40000
67 #define BTUSB_IFNUM_2 0x80000
68 #define BTUSB_CW6622 0x100000
70 static const struct usb_device_id btusb_table
[] = {
71 /* Generic Bluetooth USB device */
72 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
74 /* Generic Bluetooth AMP device */
75 { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info
= BTUSB_AMP
},
77 /* Generic Bluetooth USB interface */
78 { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) },
80 /* Apple-specific (Broadcom) devices */
81 { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01),
82 .driver_info
= BTUSB_BCM_APPLE
| BTUSB_IFNUM_2
},
84 /* MediaTek MT76x0E */
85 { USB_DEVICE(0x0e8d, 0x763f) },
87 /* Broadcom SoftSailing reporting vendor specific */
88 { USB_DEVICE(0x0a5c, 0x21e1) },
90 /* Apple MacBookPro 7,1 */
91 { USB_DEVICE(0x05ac, 0x8213) },
94 { USB_DEVICE(0x05ac, 0x8215) },
96 /* Apple MacBookPro6,2 */
97 { USB_DEVICE(0x05ac, 0x8218) },
99 /* Apple MacBookAir3,1, MacBookAir3,2 */
100 { USB_DEVICE(0x05ac, 0x821b) },
102 /* Apple MacBookAir4,1 */
103 { USB_DEVICE(0x05ac, 0x821f) },
105 /* Apple MacBookPro8,2 */
106 { USB_DEVICE(0x05ac, 0x821a) },
108 /* Apple MacMini5,1 */
109 { USB_DEVICE(0x05ac, 0x8281) },
111 /* AVM BlueFRITZ! USB v2.0 */
112 { USB_DEVICE(0x057c, 0x3800), .driver_info
= BTUSB_SWAVE
},
114 /* Bluetooth Ultraport Module from IBM */
115 { USB_DEVICE(0x04bf, 0x030a) },
117 /* ALPS Modules with non-standard id */
118 { USB_DEVICE(0x044e, 0x3001) },
119 { USB_DEVICE(0x044e, 0x3002) },
121 /* Ericsson with non-standard id */
122 { USB_DEVICE(0x0bdb, 0x1002) },
124 /* Canyon CN-BTU1 with HID interfaces */
125 { USB_DEVICE(0x0c10, 0x0000) },
127 /* Broadcom BCM20702A0 */
128 { USB_DEVICE(0x413c, 0x8197) },
130 /* Broadcom BCM20702B0 (Dynex/Insignia) */
131 { USB_DEVICE(0x19ff, 0x0239), .driver_info
= BTUSB_BCM_PATCHRAM
},
133 /* Broadcom BCM43142A0 (Foxconn/Lenovo) */
134 { USB_DEVICE(0x105b, 0xe065), .driver_info
= BTUSB_BCM_PATCHRAM
},
136 /* Broadcom BCM920703 (HTC Vive) */
137 { USB_VENDOR_AND_INTERFACE_INFO(0x0bb4, 0xff, 0x01, 0x01),
138 .driver_info
= BTUSB_BCM_PATCHRAM
},
140 /* Foxconn - Hon Hai */
141 { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
142 .driver_info
= BTUSB_BCM_PATCHRAM
},
144 /* Lite-On Technology - Broadcom based */
145 { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01),
146 .driver_info
= BTUSB_BCM_PATCHRAM
},
148 /* Broadcom devices with vendor specific id */
149 { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01),
150 .driver_info
= BTUSB_BCM_PATCHRAM
},
152 /* ASUSTek Computer - Broadcom based */
153 { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01),
154 .driver_info
= BTUSB_BCM_PATCHRAM
},
156 /* Belkin F8065bf - Broadcom based */
157 { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01),
158 .driver_info
= BTUSB_BCM_PATCHRAM
},
160 /* IMC Networks - Broadcom based */
161 { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01),
162 .driver_info
= BTUSB_BCM_PATCHRAM
},
164 /* Dell Computer - Broadcom based */
165 { USB_VENDOR_AND_INTERFACE_INFO(0x413c, 0xff, 0x01, 0x01),
166 .driver_info
= BTUSB_BCM_PATCHRAM
},
168 /* Toshiba Corp - Broadcom based */
169 { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01),
170 .driver_info
= BTUSB_BCM_PATCHRAM
},
172 /* Intel Bluetooth USB Bootloader (RAM module) */
173 { USB_DEVICE(0x8087, 0x0a5a),
174 .driver_info
= BTUSB_INTEL_BOOT
| BTUSB_BROKEN_ISOC
},
176 { } /* Terminating entry */
179 MODULE_DEVICE_TABLE(usb
, btusb_table
);
181 static const struct usb_device_id blacklist_table
[] = {
182 /* CSR BlueCore devices */
183 { USB_DEVICE(0x0a12, 0x0001), .driver_info
= BTUSB_CSR
},
185 /* Broadcom BCM2033 without firmware */
186 { USB_DEVICE(0x0a5c, 0x2033), .driver_info
= BTUSB_IGNORE
},
188 /* Broadcom BCM2045 devices */
189 { USB_DEVICE(0x0a5c, 0x2045), .driver_info
= BTUSB_BCM2045
},
191 /* Atheros 3011 with sflash firmware */
192 { USB_DEVICE(0x0489, 0xe027), .driver_info
= BTUSB_IGNORE
},
193 { USB_DEVICE(0x0489, 0xe03d), .driver_info
= BTUSB_IGNORE
},
194 { USB_DEVICE(0x04f2, 0xaff1), .driver_info
= BTUSB_IGNORE
},
195 { USB_DEVICE(0x0930, 0x0215), .driver_info
= BTUSB_IGNORE
},
196 { USB_DEVICE(0x0cf3, 0x3002), .driver_info
= BTUSB_IGNORE
},
197 { USB_DEVICE(0x0cf3, 0xe019), .driver_info
= BTUSB_IGNORE
},
198 { USB_DEVICE(0x13d3, 0x3304), .driver_info
= BTUSB_IGNORE
},
200 /* Atheros AR9285 Malbec with sflash firmware */
201 { USB_DEVICE(0x03f0, 0x311d), .driver_info
= BTUSB_IGNORE
},
203 /* Atheros 3012 with sflash firmware */
204 { USB_DEVICE(0x0489, 0xe04d), .driver_info
= BTUSB_ATH3012
},
205 { USB_DEVICE(0x0489, 0xe04e), .driver_info
= BTUSB_ATH3012
},
206 { USB_DEVICE(0x0489, 0xe056), .driver_info
= BTUSB_ATH3012
},
207 { USB_DEVICE(0x0489, 0xe057), .driver_info
= BTUSB_ATH3012
},
208 { USB_DEVICE(0x0489, 0xe05f), .driver_info
= BTUSB_ATH3012
},
209 { USB_DEVICE(0x0489, 0xe076), .driver_info
= BTUSB_ATH3012
},
210 { USB_DEVICE(0x0489, 0xe078), .driver_info
= BTUSB_ATH3012
},
211 { USB_DEVICE(0x0489, 0xe095), .driver_info
= BTUSB_ATH3012
},
212 { USB_DEVICE(0x04c5, 0x1330), .driver_info
= BTUSB_ATH3012
},
213 { USB_DEVICE(0x04ca, 0x3004), .driver_info
= BTUSB_ATH3012
},
214 { USB_DEVICE(0x04ca, 0x3005), .driver_info
= BTUSB_ATH3012
},
215 { USB_DEVICE(0x04ca, 0x3006), .driver_info
= BTUSB_ATH3012
},
216 { USB_DEVICE(0x04ca, 0x3007), .driver_info
= BTUSB_ATH3012
},
217 { USB_DEVICE(0x04ca, 0x3008), .driver_info
= BTUSB_ATH3012
},
218 { USB_DEVICE(0x04ca, 0x300b), .driver_info
= BTUSB_ATH3012
},
219 { USB_DEVICE(0x04ca, 0x300d), .driver_info
= BTUSB_ATH3012
},
220 { USB_DEVICE(0x04ca, 0x300f), .driver_info
= BTUSB_ATH3012
},
221 { USB_DEVICE(0x04ca, 0x3010), .driver_info
= BTUSB_ATH3012
},
222 { USB_DEVICE(0x04ca, 0x3014), .driver_info
= BTUSB_ATH3012
},
223 { USB_DEVICE(0x04ca, 0x3018), .driver_info
= BTUSB_ATH3012
},
224 { USB_DEVICE(0x0930, 0x0219), .driver_info
= BTUSB_ATH3012
},
225 { USB_DEVICE(0x0930, 0x021c), .driver_info
= BTUSB_ATH3012
},
226 { USB_DEVICE(0x0930, 0x0220), .driver_info
= BTUSB_ATH3012
},
227 { USB_DEVICE(0x0930, 0x0227), .driver_info
= BTUSB_ATH3012
},
228 { USB_DEVICE(0x0b05, 0x17d0), .driver_info
= BTUSB_ATH3012
},
229 { USB_DEVICE(0x0cf3, 0x0036), .driver_info
= BTUSB_ATH3012
},
230 { USB_DEVICE(0x0cf3, 0x3004), .driver_info
= BTUSB_ATH3012
},
231 { USB_DEVICE(0x0cf3, 0x3008), .driver_info
= BTUSB_ATH3012
},
232 { USB_DEVICE(0x0cf3, 0x311d), .driver_info
= BTUSB_ATH3012
},
233 { USB_DEVICE(0x0cf3, 0x311e), .driver_info
= BTUSB_ATH3012
},
234 { USB_DEVICE(0x0cf3, 0x311f), .driver_info
= BTUSB_ATH3012
},
235 { USB_DEVICE(0x0cf3, 0x3121), .driver_info
= BTUSB_ATH3012
},
236 { USB_DEVICE(0x0cf3, 0x817a), .driver_info
= BTUSB_ATH3012
},
237 { USB_DEVICE(0x0cf3, 0x817b), .driver_info
= BTUSB_ATH3012
},
238 { USB_DEVICE(0x0cf3, 0xe003), .driver_info
= BTUSB_ATH3012
},
239 { USB_DEVICE(0x0cf3, 0xe004), .driver_info
= BTUSB_ATH3012
},
240 { USB_DEVICE(0x0cf3, 0xe005), .driver_info
= BTUSB_ATH3012
},
241 { USB_DEVICE(0x0cf3, 0xe006), .driver_info
= BTUSB_ATH3012
},
242 { USB_DEVICE(0x13d3, 0x3362), .driver_info
= BTUSB_ATH3012
},
243 { USB_DEVICE(0x13d3, 0x3375), .driver_info
= BTUSB_ATH3012
},
244 { USB_DEVICE(0x13d3, 0x3393), .driver_info
= BTUSB_ATH3012
},
245 { USB_DEVICE(0x13d3, 0x3395), .driver_info
= BTUSB_ATH3012
},
246 { USB_DEVICE(0x13d3, 0x3402), .driver_info
= BTUSB_ATH3012
},
247 { USB_DEVICE(0x13d3, 0x3408), .driver_info
= BTUSB_ATH3012
},
248 { USB_DEVICE(0x13d3, 0x3423), .driver_info
= BTUSB_ATH3012
},
249 { USB_DEVICE(0x13d3, 0x3432), .driver_info
= BTUSB_ATH3012
},
250 { USB_DEVICE(0x13d3, 0x3472), .driver_info
= BTUSB_ATH3012
},
251 { USB_DEVICE(0x13d3, 0x3474), .driver_info
= BTUSB_ATH3012
},
252 { USB_DEVICE(0x13d3, 0x3487), .driver_info
= BTUSB_ATH3012
},
253 { USB_DEVICE(0x13d3, 0x3490), .driver_info
= BTUSB_ATH3012
},
255 /* Atheros AR5BBU12 with sflash firmware */
256 { USB_DEVICE(0x0489, 0xe02c), .driver_info
= BTUSB_IGNORE
},
258 /* Atheros AR5BBU12 with sflash firmware */
259 { USB_DEVICE(0x0489, 0xe036), .driver_info
= BTUSB_ATH3012
},
260 { USB_DEVICE(0x0489, 0xe03c), .driver_info
= BTUSB_ATH3012
},
262 /* QCA ROME chipset */
263 { USB_DEVICE(0x0cf3, 0xe007), .driver_info
= BTUSB_QCA_ROME
},
264 { USB_DEVICE(0x0cf3, 0xe009), .driver_info
= BTUSB_QCA_ROME
},
265 { USB_DEVICE(0x0cf3, 0xe300), .driver_info
= BTUSB_QCA_ROME
},
266 { USB_DEVICE(0x0cf3, 0xe301), .driver_info
= BTUSB_QCA_ROME
},
267 { USB_DEVICE(0x0cf3, 0xe360), .driver_info
= BTUSB_QCA_ROME
},
268 { USB_DEVICE(0x0489, 0xe092), .driver_info
= BTUSB_QCA_ROME
},
269 { USB_DEVICE(0x04ca, 0x3011), .driver_info
= BTUSB_QCA_ROME
},
271 /* Broadcom BCM2035 */
272 { USB_DEVICE(0x0a5c, 0x2009), .driver_info
= BTUSB_BCM92035
},
273 { USB_DEVICE(0x0a5c, 0x200a), .driver_info
= BTUSB_WRONG_SCO_MTU
},
274 { USB_DEVICE(0x0a5c, 0x2035), .driver_info
= BTUSB_WRONG_SCO_MTU
},
276 /* Broadcom BCM2045 */
277 { USB_DEVICE(0x0a5c, 0x2039), .driver_info
= BTUSB_WRONG_SCO_MTU
},
278 { USB_DEVICE(0x0a5c, 0x2101), .driver_info
= BTUSB_WRONG_SCO_MTU
},
280 /* IBM/Lenovo ThinkPad with Broadcom chip */
281 { USB_DEVICE(0x0a5c, 0x201e), .driver_info
= BTUSB_WRONG_SCO_MTU
},
282 { USB_DEVICE(0x0a5c, 0x2110), .driver_info
= BTUSB_WRONG_SCO_MTU
},
284 /* HP laptop with Broadcom chip */
285 { USB_DEVICE(0x03f0, 0x171d), .driver_info
= BTUSB_WRONG_SCO_MTU
},
287 /* Dell laptop with Broadcom chip */
288 { USB_DEVICE(0x413c, 0x8126), .driver_info
= BTUSB_WRONG_SCO_MTU
},
290 /* Dell Wireless 370 and 410 devices */
291 { USB_DEVICE(0x413c, 0x8152), .driver_info
= BTUSB_WRONG_SCO_MTU
},
292 { USB_DEVICE(0x413c, 0x8156), .driver_info
= BTUSB_WRONG_SCO_MTU
},
294 /* Belkin F8T012 and F8T013 devices */
295 { USB_DEVICE(0x050d, 0x0012), .driver_info
= BTUSB_WRONG_SCO_MTU
},
296 { USB_DEVICE(0x050d, 0x0013), .driver_info
= BTUSB_WRONG_SCO_MTU
},
298 /* Asus WL-BTD202 device */
299 { USB_DEVICE(0x0b05, 0x1715), .driver_info
= BTUSB_WRONG_SCO_MTU
},
301 /* Kensington Bluetooth USB adapter */
302 { USB_DEVICE(0x047d, 0x105e), .driver_info
= BTUSB_WRONG_SCO_MTU
},
304 /* RTX Telecom based adapters with buggy SCO support */
305 { USB_DEVICE(0x0400, 0x0807), .driver_info
= BTUSB_BROKEN_ISOC
},
306 { USB_DEVICE(0x0400, 0x080a), .driver_info
= BTUSB_BROKEN_ISOC
},
308 /* CONWISE Technology based adapters with buggy SCO support */
309 { USB_DEVICE(0x0e5e, 0x6622),
310 .driver_info
= BTUSB_BROKEN_ISOC
| BTUSB_CW6622
},
312 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
313 { USB_DEVICE(0x1310, 0x0001), .driver_info
= BTUSB_SWAVE
},
315 /* Digianswer devices */
316 { USB_DEVICE(0x08fd, 0x0001), .driver_info
= BTUSB_DIGIANSWER
},
317 { USB_DEVICE(0x08fd, 0x0002), .driver_info
= BTUSB_IGNORE
},
319 /* CSR BlueCore Bluetooth Sniffer */
320 { USB_DEVICE(0x0a12, 0x0002),
321 .driver_info
= BTUSB_SNIFFER
| BTUSB_BROKEN_ISOC
},
323 /* Frontline ComProbe Bluetooth Sniffer */
324 { USB_DEVICE(0x16d3, 0x0002),
325 .driver_info
= BTUSB_SNIFFER
| BTUSB_BROKEN_ISOC
},
327 /* Marvell Bluetooth devices */
328 { USB_DEVICE(0x1286, 0x2044), .driver_info
= BTUSB_MARVELL
},
329 { USB_DEVICE(0x1286, 0x2046), .driver_info
= BTUSB_MARVELL
},
330 { USB_DEVICE(0x1286, 0x204e), .driver_info
= BTUSB_MARVELL
},
332 /* Intel Bluetooth devices */
333 { USB_DEVICE(0x8087, 0x0025), .driver_info
= BTUSB_INTEL_NEW
},
334 { USB_DEVICE(0x8087, 0x07da), .driver_info
= BTUSB_CSR
},
335 { USB_DEVICE(0x8087, 0x07dc), .driver_info
= BTUSB_INTEL
},
336 { USB_DEVICE(0x8087, 0x0a2a), .driver_info
= BTUSB_INTEL
},
337 { USB_DEVICE(0x8087, 0x0a2b), .driver_info
= BTUSB_INTEL_NEW
},
338 { USB_DEVICE(0x8087, 0x0aa7), .driver_info
= BTUSB_INTEL
},
340 /* Other Intel Bluetooth devices */
341 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
342 .driver_info
= BTUSB_IGNORE
},
344 /* Realtek Bluetooth devices */
345 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
346 .driver_info
= BTUSB_REALTEK
},
348 /* Additional Realtek 8723AE Bluetooth devices */
349 { USB_DEVICE(0x0930, 0x021d), .driver_info
= BTUSB_REALTEK
},
350 { USB_DEVICE(0x13d3, 0x3394), .driver_info
= BTUSB_REALTEK
},
352 /* Additional Realtek 8723BE Bluetooth devices */
353 { USB_DEVICE(0x0489, 0xe085), .driver_info
= BTUSB_REALTEK
},
354 { USB_DEVICE(0x0489, 0xe08b), .driver_info
= BTUSB_REALTEK
},
355 { USB_DEVICE(0x13d3, 0x3410), .driver_info
= BTUSB_REALTEK
},
356 { USB_DEVICE(0x13d3, 0x3416), .driver_info
= BTUSB_REALTEK
},
357 { USB_DEVICE(0x13d3, 0x3459), .driver_info
= BTUSB_REALTEK
},
359 /* Additional Realtek 8821AE Bluetooth devices */
360 { USB_DEVICE(0x0b05, 0x17dc), .driver_info
= BTUSB_REALTEK
},
361 { USB_DEVICE(0x13d3, 0x3414), .driver_info
= BTUSB_REALTEK
},
362 { USB_DEVICE(0x13d3, 0x3458), .driver_info
= BTUSB_REALTEK
},
363 { USB_DEVICE(0x13d3, 0x3461), .driver_info
= BTUSB_REALTEK
},
364 { USB_DEVICE(0x13d3, 0x3462), .driver_info
= BTUSB_REALTEK
},
366 /* Silicon Wave based devices */
367 { USB_DEVICE(0x0c10, 0x0000), .driver_info
= BTUSB_SWAVE
},
369 { } /* Terminating entry */
372 #define BTUSB_MAX_ISOC_FRAMES 10
374 #define BTUSB_INTR_RUNNING 0
375 #define BTUSB_BULK_RUNNING 1
376 #define BTUSB_ISOC_RUNNING 2
377 #define BTUSB_SUSPENDING 3
378 #define BTUSB_DID_ISO_RESUME 4
379 #define BTUSB_BOOTLOADER 5
380 #define BTUSB_DOWNLOADING 6
381 #define BTUSB_FIRMWARE_LOADED 7
382 #define BTUSB_FIRMWARE_FAILED 8
383 #define BTUSB_BOOTING 9
384 #define BTUSB_RESET_RESUME 10
385 #define BTUSB_DIAG_RUNNING 11
386 #define BTUSB_OOB_WAKE_ENABLED 12
389 struct hci_dev
*hdev
;
390 struct usb_device
*udev
;
391 struct usb_interface
*intf
;
392 struct usb_interface
*isoc
;
393 struct usb_interface
*diag
;
397 struct work_struct work
;
398 struct work_struct waker
;
400 struct usb_anchor deferred
;
401 struct usb_anchor tx_anchor
;
405 struct usb_anchor intr_anchor
;
406 struct usb_anchor bulk_anchor
;
407 struct usb_anchor isoc_anchor
;
408 struct usb_anchor diag_anchor
;
411 struct sk_buff
*evt_skb
;
412 struct sk_buff
*acl_skb
;
413 struct sk_buff
*sco_skb
;
415 struct usb_endpoint_descriptor
*intr_ep
;
416 struct usb_endpoint_descriptor
*bulk_tx_ep
;
417 struct usb_endpoint_descriptor
*bulk_rx_ep
;
418 struct usb_endpoint_descriptor
*isoc_tx_ep
;
419 struct usb_endpoint_descriptor
*isoc_rx_ep
;
420 struct usb_endpoint_descriptor
*diag_tx_ep
;
421 struct usb_endpoint_descriptor
*diag_rx_ep
;
426 unsigned int sco_num
;
430 int (*recv_event
)(struct hci_dev
*hdev
, struct sk_buff
*skb
);
431 int (*recv_bulk
)(struct btusb_data
*data
, void *buffer
, int count
);
433 int (*setup_on_usb
)(struct hci_dev
*hdev
);
435 int oob_wake_irq
; /* irq for out-of-band wake-on-bt */
438 static inline void btusb_free_frags(struct btusb_data
*data
)
442 spin_lock_irqsave(&data
->rxlock
, flags
);
444 kfree_skb(data
->evt_skb
);
445 data
->evt_skb
= NULL
;
447 kfree_skb(data
->acl_skb
);
448 data
->acl_skb
= NULL
;
450 kfree_skb(data
->sco_skb
);
451 data
->sco_skb
= NULL
;
453 spin_unlock_irqrestore(&data
->rxlock
, flags
);
456 static int btusb_recv_intr(struct btusb_data
*data
, void *buffer
, int count
)
461 spin_lock(&data
->rxlock
);
468 skb
= bt_skb_alloc(HCI_MAX_EVENT_SIZE
, GFP_ATOMIC
);
474 hci_skb_pkt_type(skb
) = HCI_EVENT_PKT
;
475 hci_skb_expect(skb
) = HCI_EVENT_HDR_SIZE
;
478 len
= min_t(uint
, hci_skb_expect(skb
), count
);
479 memcpy(skb_put(skb
, len
), buffer
, len
);
483 hci_skb_expect(skb
) -= len
;
485 if (skb
->len
== HCI_EVENT_HDR_SIZE
) {
486 /* Complete event header */
487 hci_skb_expect(skb
) = hci_event_hdr(skb
)->plen
;
489 if (skb_tailroom(skb
) < hci_skb_expect(skb
)) {
498 if (!hci_skb_expect(skb
)) {
500 data
->recv_event(data
->hdev
, skb
);
506 spin_unlock(&data
->rxlock
);
511 static int btusb_recv_bulk(struct btusb_data
*data
, void *buffer
, int count
)
516 spin_lock(&data
->rxlock
);
523 skb
= bt_skb_alloc(HCI_MAX_FRAME_SIZE
, GFP_ATOMIC
);
529 hci_skb_pkt_type(skb
) = HCI_ACLDATA_PKT
;
530 hci_skb_expect(skb
) = HCI_ACL_HDR_SIZE
;
533 len
= min_t(uint
, hci_skb_expect(skb
), count
);
534 memcpy(skb_put(skb
, len
), buffer
, len
);
538 hci_skb_expect(skb
) -= len
;
540 if (skb
->len
== HCI_ACL_HDR_SIZE
) {
541 __le16 dlen
= hci_acl_hdr(skb
)->dlen
;
543 /* Complete ACL header */
544 hci_skb_expect(skb
) = __le16_to_cpu(dlen
);
546 if (skb_tailroom(skb
) < hci_skb_expect(skb
)) {
555 if (!hci_skb_expect(skb
)) {
557 hci_recv_frame(data
->hdev
, skb
);
563 spin_unlock(&data
->rxlock
);
568 static int btusb_recv_isoc(struct btusb_data
*data
, void *buffer
, int count
)
573 spin_lock(&data
->rxlock
);
580 skb
= bt_skb_alloc(HCI_MAX_SCO_SIZE
, GFP_ATOMIC
);
586 hci_skb_pkt_type(skb
) = HCI_SCODATA_PKT
;
587 hci_skb_expect(skb
) = HCI_SCO_HDR_SIZE
;
590 len
= min_t(uint
, hci_skb_expect(skb
), count
);
591 memcpy(skb_put(skb
, len
), buffer
, len
);
595 hci_skb_expect(skb
) -= len
;
597 if (skb
->len
== HCI_SCO_HDR_SIZE
) {
598 /* Complete SCO header */
599 hci_skb_expect(skb
) = hci_sco_hdr(skb
)->dlen
;
601 if (skb_tailroom(skb
) < hci_skb_expect(skb
)) {
610 if (!hci_skb_expect(skb
)) {
612 hci_recv_frame(data
->hdev
, skb
);
618 spin_unlock(&data
->rxlock
);
623 static void btusb_intr_complete(struct urb
*urb
)
625 struct hci_dev
*hdev
= urb
->context
;
626 struct btusb_data
*data
= hci_get_drvdata(hdev
);
629 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
632 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
635 if (urb
->status
== 0) {
636 hdev
->stat
.byte_rx
+= urb
->actual_length
;
638 if (btusb_recv_intr(data
, urb
->transfer_buffer
,
639 urb
->actual_length
) < 0) {
640 BT_ERR("%s corrupted event packet", hdev
->name
);
643 } else if (urb
->status
== -ENOENT
) {
644 /* Avoid suspend failed when usb_kill_urb */
648 if (!test_bit(BTUSB_INTR_RUNNING
, &data
->flags
))
651 usb_mark_last_busy(data
->udev
);
652 usb_anchor_urb(urb
, &data
->intr_anchor
);
654 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
656 /* -EPERM: urb is being killed;
657 * -ENODEV: device got disconnected */
658 if (err
!= -EPERM
&& err
!= -ENODEV
)
659 BT_ERR("%s urb %p failed to resubmit (%d)",
660 hdev
->name
, urb
, -err
);
661 usb_unanchor_urb(urb
);
665 static int btusb_submit_intr_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
667 struct btusb_data
*data
= hci_get_drvdata(hdev
);
673 BT_DBG("%s", hdev
->name
);
678 urb
= usb_alloc_urb(0, mem_flags
);
682 size
= le16_to_cpu(data
->intr_ep
->wMaxPacketSize
);
684 buf
= kmalloc(size
, mem_flags
);
690 pipe
= usb_rcvintpipe(data
->udev
, data
->intr_ep
->bEndpointAddress
);
692 usb_fill_int_urb(urb
, data
->udev
, pipe
, buf
, size
,
693 btusb_intr_complete
, hdev
, data
->intr_ep
->bInterval
);
695 urb
->transfer_flags
|= URB_FREE_BUFFER
;
697 usb_anchor_urb(urb
, &data
->intr_anchor
);
699 err
= usb_submit_urb(urb
, mem_flags
);
701 if (err
!= -EPERM
&& err
!= -ENODEV
)
702 BT_ERR("%s urb %p submission failed (%d)",
703 hdev
->name
, urb
, -err
);
704 usb_unanchor_urb(urb
);
712 static void btusb_bulk_complete(struct urb
*urb
)
714 struct hci_dev
*hdev
= urb
->context
;
715 struct btusb_data
*data
= hci_get_drvdata(hdev
);
718 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
721 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
724 if (urb
->status
== 0) {
725 hdev
->stat
.byte_rx
+= urb
->actual_length
;
727 if (data
->recv_bulk(data
, urb
->transfer_buffer
,
728 urb
->actual_length
) < 0) {
729 BT_ERR("%s corrupted ACL packet", hdev
->name
);
732 } else if (urb
->status
== -ENOENT
) {
733 /* Avoid suspend failed when usb_kill_urb */
737 if (!test_bit(BTUSB_BULK_RUNNING
, &data
->flags
))
740 usb_anchor_urb(urb
, &data
->bulk_anchor
);
741 usb_mark_last_busy(data
->udev
);
743 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
745 /* -EPERM: urb is being killed;
746 * -ENODEV: device got disconnected */
747 if (err
!= -EPERM
&& err
!= -ENODEV
)
748 BT_ERR("%s urb %p failed to resubmit (%d)",
749 hdev
->name
, urb
, -err
);
750 usb_unanchor_urb(urb
);
754 static int btusb_submit_bulk_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
756 struct btusb_data
*data
= hci_get_drvdata(hdev
);
760 int err
, size
= HCI_MAX_FRAME_SIZE
;
762 BT_DBG("%s", hdev
->name
);
764 if (!data
->bulk_rx_ep
)
767 urb
= usb_alloc_urb(0, mem_flags
);
771 buf
= kmalloc(size
, mem_flags
);
777 pipe
= usb_rcvbulkpipe(data
->udev
, data
->bulk_rx_ep
->bEndpointAddress
);
779 usb_fill_bulk_urb(urb
, data
->udev
, pipe
, buf
, size
,
780 btusb_bulk_complete
, hdev
);
782 urb
->transfer_flags
|= URB_FREE_BUFFER
;
784 usb_mark_last_busy(data
->udev
);
785 usb_anchor_urb(urb
, &data
->bulk_anchor
);
787 err
= usb_submit_urb(urb
, mem_flags
);
789 if (err
!= -EPERM
&& err
!= -ENODEV
)
790 BT_ERR("%s urb %p submission failed (%d)",
791 hdev
->name
, urb
, -err
);
792 usb_unanchor_urb(urb
);
800 static void btusb_isoc_complete(struct urb
*urb
)
802 struct hci_dev
*hdev
= urb
->context
;
803 struct btusb_data
*data
= hci_get_drvdata(hdev
);
806 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
809 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
812 if (urb
->status
== 0) {
813 for (i
= 0; i
< urb
->number_of_packets
; i
++) {
814 unsigned int offset
= urb
->iso_frame_desc
[i
].offset
;
815 unsigned int length
= urb
->iso_frame_desc
[i
].actual_length
;
817 if (urb
->iso_frame_desc
[i
].status
)
820 hdev
->stat
.byte_rx
+= length
;
822 if (btusb_recv_isoc(data
, urb
->transfer_buffer
+ offset
,
824 BT_ERR("%s corrupted SCO packet", hdev
->name
);
828 } else if (urb
->status
== -ENOENT
) {
829 /* Avoid suspend failed when usb_kill_urb */
833 if (!test_bit(BTUSB_ISOC_RUNNING
, &data
->flags
))
836 usb_anchor_urb(urb
, &data
->isoc_anchor
);
838 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
840 /* -EPERM: urb is being killed;
841 * -ENODEV: device got disconnected */
842 if (err
!= -EPERM
&& err
!= -ENODEV
)
843 BT_ERR("%s urb %p failed to resubmit (%d)",
844 hdev
->name
, urb
, -err
);
845 usb_unanchor_urb(urb
);
849 static inline void __fill_isoc_descriptor(struct urb
*urb
, int len
, int mtu
)
853 BT_DBG("len %d mtu %d", len
, mtu
);
855 for (i
= 0; i
< BTUSB_MAX_ISOC_FRAMES
&& len
>= mtu
;
856 i
++, offset
+= mtu
, len
-= mtu
) {
857 urb
->iso_frame_desc
[i
].offset
= offset
;
858 urb
->iso_frame_desc
[i
].length
= mtu
;
861 if (len
&& i
< BTUSB_MAX_ISOC_FRAMES
) {
862 urb
->iso_frame_desc
[i
].offset
= offset
;
863 urb
->iso_frame_desc
[i
].length
= len
;
867 urb
->number_of_packets
= i
;
870 static int btusb_submit_isoc_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
872 struct btusb_data
*data
= hci_get_drvdata(hdev
);
878 BT_DBG("%s", hdev
->name
);
880 if (!data
->isoc_rx_ep
)
883 urb
= usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES
, mem_flags
);
887 size
= le16_to_cpu(data
->isoc_rx_ep
->wMaxPacketSize
) *
888 BTUSB_MAX_ISOC_FRAMES
;
890 buf
= kmalloc(size
, mem_flags
);
896 pipe
= usb_rcvisocpipe(data
->udev
, data
->isoc_rx_ep
->bEndpointAddress
);
898 usb_fill_int_urb(urb
, data
->udev
, pipe
, buf
, size
, btusb_isoc_complete
,
899 hdev
, data
->isoc_rx_ep
->bInterval
);
901 urb
->transfer_flags
= URB_FREE_BUFFER
| URB_ISO_ASAP
;
903 __fill_isoc_descriptor(urb
, size
,
904 le16_to_cpu(data
->isoc_rx_ep
->wMaxPacketSize
));
906 usb_anchor_urb(urb
, &data
->isoc_anchor
);
908 err
= usb_submit_urb(urb
, mem_flags
);
910 if (err
!= -EPERM
&& err
!= -ENODEV
)
911 BT_ERR("%s urb %p submission failed (%d)",
912 hdev
->name
, urb
, -err
);
913 usb_unanchor_urb(urb
);
921 static void btusb_diag_complete(struct urb
*urb
)
923 struct hci_dev
*hdev
= urb
->context
;
924 struct btusb_data
*data
= hci_get_drvdata(hdev
);
927 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
930 if (urb
->status
== 0) {
933 skb
= bt_skb_alloc(urb
->actual_length
, GFP_ATOMIC
);
935 memcpy(skb_put(skb
, urb
->actual_length
),
936 urb
->transfer_buffer
, urb
->actual_length
);
937 hci_recv_diag(hdev
, skb
);
939 } else if (urb
->status
== -ENOENT
) {
940 /* Avoid suspend failed when usb_kill_urb */
944 if (!test_bit(BTUSB_DIAG_RUNNING
, &data
->flags
))
947 usb_anchor_urb(urb
, &data
->diag_anchor
);
948 usb_mark_last_busy(data
->udev
);
950 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
952 /* -EPERM: urb is being killed;
953 * -ENODEV: device got disconnected */
954 if (err
!= -EPERM
&& err
!= -ENODEV
)
955 BT_ERR("%s urb %p failed to resubmit (%d)",
956 hdev
->name
, urb
, -err
);
957 usb_unanchor_urb(urb
);
961 static int btusb_submit_diag_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
963 struct btusb_data
*data
= hci_get_drvdata(hdev
);
967 int err
, size
= HCI_MAX_FRAME_SIZE
;
969 BT_DBG("%s", hdev
->name
);
971 if (!data
->diag_rx_ep
)
974 urb
= usb_alloc_urb(0, mem_flags
);
978 buf
= kmalloc(size
, mem_flags
);
984 pipe
= usb_rcvbulkpipe(data
->udev
, data
->diag_rx_ep
->bEndpointAddress
);
986 usb_fill_bulk_urb(urb
, data
->udev
, pipe
, buf
, size
,
987 btusb_diag_complete
, hdev
);
989 urb
->transfer_flags
|= URB_FREE_BUFFER
;
991 usb_mark_last_busy(data
->udev
);
992 usb_anchor_urb(urb
, &data
->diag_anchor
);
994 err
= usb_submit_urb(urb
, mem_flags
);
996 if (err
!= -EPERM
&& err
!= -ENODEV
)
997 BT_ERR("%s urb %p submission failed (%d)",
998 hdev
->name
, urb
, -err
);
999 usb_unanchor_urb(urb
);
1007 static void btusb_tx_complete(struct urb
*urb
)
1009 struct sk_buff
*skb
= urb
->context
;
1010 struct hci_dev
*hdev
= (struct hci_dev
*)skb
->dev
;
1011 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1013 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
1014 urb
->actual_length
);
1016 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
1020 hdev
->stat
.byte_tx
+= urb
->transfer_buffer_length
;
1022 hdev
->stat
.err_tx
++;
1025 spin_lock(&data
->txlock
);
1026 data
->tx_in_flight
--;
1027 spin_unlock(&data
->txlock
);
1029 kfree(urb
->setup_packet
);
1034 static void btusb_isoc_tx_complete(struct urb
*urb
)
1036 struct sk_buff
*skb
= urb
->context
;
1037 struct hci_dev
*hdev
= (struct hci_dev
*)skb
->dev
;
1039 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
1040 urb
->actual_length
);
1042 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
1046 hdev
->stat
.byte_tx
+= urb
->transfer_buffer_length
;
1048 hdev
->stat
.err_tx
++;
1051 kfree(urb
->setup_packet
);
1056 static int btusb_open(struct hci_dev
*hdev
)
1058 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1061 BT_DBG("%s", hdev
->name
);
1063 err
= usb_autopm_get_interface(data
->intf
);
1067 /* Patching USB firmware files prior to starting any URBs of HCI path
1068 * It is more safe to use USB bulk channel for downloading USB patch
1070 if (data
->setup_on_usb
) {
1071 err
= data
->setup_on_usb(hdev
);
1076 data
->intf
->needs_remote_wakeup
= 1;
1078 if (test_and_set_bit(BTUSB_INTR_RUNNING
, &data
->flags
))
1081 err
= btusb_submit_intr_urb(hdev
, GFP_KERNEL
);
1085 err
= btusb_submit_bulk_urb(hdev
, GFP_KERNEL
);
1087 usb_kill_anchored_urbs(&data
->intr_anchor
);
1091 set_bit(BTUSB_BULK_RUNNING
, &data
->flags
);
1092 btusb_submit_bulk_urb(hdev
, GFP_KERNEL
);
1095 if (!btusb_submit_diag_urb(hdev
, GFP_KERNEL
))
1096 set_bit(BTUSB_DIAG_RUNNING
, &data
->flags
);
1100 usb_autopm_put_interface(data
->intf
);
1104 clear_bit(BTUSB_INTR_RUNNING
, &data
->flags
);
1105 usb_autopm_put_interface(data
->intf
);
1109 static void btusb_stop_traffic(struct btusb_data
*data
)
1111 usb_kill_anchored_urbs(&data
->intr_anchor
);
1112 usb_kill_anchored_urbs(&data
->bulk_anchor
);
1113 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1114 usb_kill_anchored_urbs(&data
->diag_anchor
);
1117 static int btusb_close(struct hci_dev
*hdev
)
1119 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1122 BT_DBG("%s", hdev
->name
);
1124 cancel_work_sync(&data
->work
);
1125 cancel_work_sync(&data
->waker
);
1127 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1128 clear_bit(BTUSB_BULK_RUNNING
, &data
->flags
);
1129 clear_bit(BTUSB_INTR_RUNNING
, &data
->flags
);
1130 clear_bit(BTUSB_DIAG_RUNNING
, &data
->flags
);
1132 btusb_stop_traffic(data
);
1133 btusb_free_frags(data
);
1135 err
= usb_autopm_get_interface(data
->intf
);
1139 data
->intf
->needs_remote_wakeup
= 0;
1140 usb_autopm_put_interface(data
->intf
);
1143 usb_scuttle_anchored_urbs(&data
->deferred
);
1147 static int btusb_flush(struct hci_dev
*hdev
)
1149 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1151 BT_DBG("%s", hdev
->name
);
1153 usb_kill_anchored_urbs(&data
->tx_anchor
);
1154 btusb_free_frags(data
);
1159 static struct urb
*alloc_ctrl_urb(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1161 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1162 struct usb_ctrlrequest
*dr
;
1166 urb
= usb_alloc_urb(0, GFP_KERNEL
);
1168 return ERR_PTR(-ENOMEM
);
1170 dr
= kmalloc(sizeof(*dr
), GFP_KERNEL
);
1173 return ERR_PTR(-ENOMEM
);
1176 dr
->bRequestType
= data
->cmdreq_type
;
1177 dr
->bRequest
= data
->cmdreq
;
1180 dr
->wLength
= __cpu_to_le16(skb
->len
);
1182 pipe
= usb_sndctrlpipe(data
->udev
, 0x00);
1184 usb_fill_control_urb(urb
, data
->udev
, pipe
, (void *)dr
,
1185 skb
->data
, skb
->len
, btusb_tx_complete
, skb
);
1187 skb
->dev
= (void *)hdev
;
1192 static struct urb
*alloc_bulk_urb(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1194 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1198 if (!data
->bulk_tx_ep
)
1199 return ERR_PTR(-ENODEV
);
1201 urb
= usb_alloc_urb(0, GFP_KERNEL
);
1203 return ERR_PTR(-ENOMEM
);
1205 pipe
= usb_sndbulkpipe(data
->udev
, data
->bulk_tx_ep
->bEndpointAddress
);
1207 usb_fill_bulk_urb(urb
, data
->udev
, pipe
,
1208 skb
->data
, skb
->len
, btusb_tx_complete
, skb
);
1210 skb
->dev
= (void *)hdev
;
1215 static struct urb
*alloc_isoc_urb(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1217 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1221 if (!data
->isoc_tx_ep
)
1222 return ERR_PTR(-ENODEV
);
1224 urb
= usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES
, GFP_KERNEL
);
1226 return ERR_PTR(-ENOMEM
);
1228 pipe
= usb_sndisocpipe(data
->udev
, data
->isoc_tx_ep
->bEndpointAddress
);
1230 usb_fill_int_urb(urb
, data
->udev
, pipe
,
1231 skb
->data
, skb
->len
, btusb_isoc_tx_complete
,
1232 skb
, data
->isoc_tx_ep
->bInterval
);
1234 urb
->transfer_flags
= URB_ISO_ASAP
;
1236 __fill_isoc_descriptor(urb
, skb
->len
,
1237 le16_to_cpu(data
->isoc_tx_ep
->wMaxPacketSize
));
1239 skb
->dev
= (void *)hdev
;
1244 static int submit_tx_urb(struct hci_dev
*hdev
, struct urb
*urb
)
1246 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1249 usb_anchor_urb(urb
, &data
->tx_anchor
);
1251 err
= usb_submit_urb(urb
, GFP_KERNEL
);
1253 if (err
!= -EPERM
&& err
!= -ENODEV
)
1254 BT_ERR("%s urb %p submission failed (%d)",
1255 hdev
->name
, urb
, -err
);
1256 kfree(urb
->setup_packet
);
1257 usb_unanchor_urb(urb
);
1259 usb_mark_last_busy(data
->udev
);
1266 static int submit_or_queue_tx_urb(struct hci_dev
*hdev
, struct urb
*urb
)
1268 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1269 unsigned long flags
;
1272 spin_lock_irqsave(&data
->txlock
, flags
);
1273 suspending
= test_bit(BTUSB_SUSPENDING
, &data
->flags
);
1275 data
->tx_in_flight
++;
1276 spin_unlock_irqrestore(&data
->txlock
, flags
);
1279 return submit_tx_urb(hdev
, urb
);
1281 usb_anchor_urb(urb
, &data
->deferred
);
1282 schedule_work(&data
->waker
);
1288 static int btusb_send_frame(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1292 BT_DBG("%s", hdev
->name
);
1294 switch (hci_skb_pkt_type(skb
)) {
1295 case HCI_COMMAND_PKT
:
1296 urb
= alloc_ctrl_urb(hdev
, skb
);
1298 return PTR_ERR(urb
);
1300 hdev
->stat
.cmd_tx
++;
1301 return submit_or_queue_tx_urb(hdev
, urb
);
1303 case HCI_ACLDATA_PKT
:
1304 urb
= alloc_bulk_urb(hdev
, skb
);
1306 return PTR_ERR(urb
);
1308 hdev
->stat
.acl_tx
++;
1309 return submit_or_queue_tx_urb(hdev
, urb
);
1311 case HCI_SCODATA_PKT
:
1312 if (hci_conn_num(hdev
, SCO_LINK
) < 1)
1315 urb
= alloc_isoc_urb(hdev
, skb
);
1317 return PTR_ERR(urb
);
1319 hdev
->stat
.sco_tx
++;
1320 return submit_tx_urb(hdev
, urb
);
1326 static void btusb_notify(struct hci_dev
*hdev
, unsigned int evt
)
1328 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1330 BT_DBG("%s evt %d", hdev
->name
, evt
);
1332 if (hci_conn_num(hdev
, SCO_LINK
) != data
->sco_num
) {
1333 data
->sco_num
= hci_conn_num(hdev
, SCO_LINK
);
1334 schedule_work(&data
->work
);
1338 static inline int __set_isoc_interface(struct hci_dev
*hdev
, int altsetting
)
1340 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1341 struct usb_interface
*intf
= data
->isoc
;
1342 struct usb_endpoint_descriptor
*ep_desc
;
1348 err
= usb_set_interface(data
->udev
, 1, altsetting
);
1350 BT_ERR("%s setting interface failed (%d)", hdev
->name
, -err
);
1354 data
->isoc_altsetting
= altsetting
;
1356 data
->isoc_tx_ep
= NULL
;
1357 data
->isoc_rx_ep
= NULL
;
1359 for (i
= 0; i
< intf
->cur_altsetting
->desc
.bNumEndpoints
; i
++) {
1360 ep_desc
= &intf
->cur_altsetting
->endpoint
[i
].desc
;
1362 if (!data
->isoc_tx_ep
&& usb_endpoint_is_isoc_out(ep_desc
)) {
1363 data
->isoc_tx_ep
= ep_desc
;
1367 if (!data
->isoc_rx_ep
&& usb_endpoint_is_isoc_in(ep_desc
)) {
1368 data
->isoc_rx_ep
= ep_desc
;
1373 if (!data
->isoc_tx_ep
|| !data
->isoc_rx_ep
) {
1374 BT_ERR("%s invalid SCO descriptors", hdev
->name
);
1381 static void btusb_work(struct work_struct
*work
)
1383 struct btusb_data
*data
= container_of(work
, struct btusb_data
, work
);
1384 struct hci_dev
*hdev
= data
->hdev
;
1388 if (data
->sco_num
> 0) {
1389 if (!test_bit(BTUSB_DID_ISO_RESUME
, &data
->flags
)) {
1390 err
= usb_autopm_get_interface(data
->isoc
? data
->isoc
: data
->intf
);
1392 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1393 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1397 set_bit(BTUSB_DID_ISO_RESUME
, &data
->flags
);
1400 if (hdev
->voice_setting
& 0x0020) {
1401 static const int alts
[3] = { 2, 4, 5 };
1403 new_alts
= alts
[data
->sco_num
- 1];
1405 new_alts
= data
->sco_num
;
1408 if (data
->isoc_altsetting
!= new_alts
) {
1409 unsigned long flags
;
1411 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1412 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1414 /* When isochronous alternate setting needs to be
1415 * changed, because SCO connection has been added
1416 * or removed, a packet fragment may be left in the
1417 * reassembling state. This could lead to wrongly
1418 * assembled fragments.
1420 * Clear outstanding fragment when selecting a new
1421 * alternate setting.
1423 spin_lock_irqsave(&data
->rxlock
, flags
);
1424 kfree_skb(data
->sco_skb
);
1425 data
->sco_skb
= NULL
;
1426 spin_unlock_irqrestore(&data
->rxlock
, flags
);
1428 if (__set_isoc_interface(hdev
, new_alts
) < 0)
1432 if (!test_and_set_bit(BTUSB_ISOC_RUNNING
, &data
->flags
)) {
1433 if (btusb_submit_isoc_urb(hdev
, GFP_KERNEL
) < 0)
1434 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1436 btusb_submit_isoc_urb(hdev
, GFP_KERNEL
);
1439 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1440 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1442 __set_isoc_interface(hdev
, 0);
1443 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME
, &data
->flags
))
1444 usb_autopm_put_interface(data
->isoc
? data
->isoc
: data
->intf
);
1448 static void btusb_waker(struct work_struct
*work
)
1450 struct btusb_data
*data
= container_of(work
, struct btusb_data
, waker
);
1453 err
= usb_autopm_get_interface(data
->intf
);
1457 usb_autopm_put_interface(data
->intf
);
1460 static int btusb_setup_bcm92035(struct hci_dev
*hdev
)
1462 struct sk_buff
*skb
;
1465 BT_DBG("%s", hdev
->name
);
1467 skb
= __hci_cmd_sync(hdev
, 0xfc3b, 1, &val
, HCI_INIT_TIMEOUT
);
1469 BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb
));
1476 static int btusb_setup_csr(struct hci_dev
*hdev
)
1478 struct hci_rp_read_local_version
*rp
;
1479 struct sk_buff
*skb
;
1481 BT_DBG("%s", hdev
->name
);
1483 skb
= __hci_cmd_sync(hdev
, HCI_OP_READ_LOCAL_VERSION
, 0, NULL
,
1486 int err
= PTR_ERR(skb
);
1487 BT_ERR("%s: CSR: Local version failed (%d)", hdev
->name
, err
);
1491 if (skb
->len
!= sizeof(struct hci_rp_read_local_version
)) {
1492 BT_ERR("%s: CSR: Local version length mismatch", hdev
->name
);
1497 rp
= (struct hci_rp_read_local_version
*)skb
->data
;
1499 /* Detect controllers which aren't real CSR ones. */
1500 if (le16_to_cpu(rp
->manufacturer
) != 10 ||
1501 le16_to_cpu(rp
->lmp_subver
) == 0x0c5c) {
1502 /* Clear the reset quirk since this is not an actual
1503 * early Bluetooth 1.1 device from CSR.
1505 clear_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
1507 /* These fake CSR controllers have all a broken
1508 * stored link key handling and so just disable it.
1510 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY
, &hdev
->quirks
);
1518 static const struct firmware
*btusb_setup_intel_get_fw(struct hci_dev
*hdev
,
1519 struct intel_version
*ver
)
1521 const struct firmware
*fw
;
1525 snprintf(fwname
, sizeof(fwname
),
1526 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
1527 ver
->hw_platform
, ver
->hw_variant
, ver
->hw_revision
,
1528 ver
->fw_variant
, ver
->fw_revision
, ver
->fw_build_num
,
1529 ver
->fw_build_ww
, ver
->fw_build_yy
);
1531 ret
= request_firmware(&fw
, fwname
, &hdev
->dev
);
1533 if (ret
== -EINVAL
) {
1534 BT_ERR("%s Intel firmware file request failed (%d)",
1539 BT_ERR("%s failed to open Intel firmware file: %s(%d)",
1540 hdev
->name
, fwname
, ret
);
1542 /* If the correct firmware patch file is not found, use the
1543 * default firmware patch file instead
1545 snprintf(fwname
, sizeof(fwname
), "intel/ibt-hw-%x.%x.bseq",
1546 ver
->hw_platform
, ver
->hw_variant
);
1547 if (request_firmware(&fw
, fwname
, &hdev
->dev
) < 0) {
1548 BT_ERR("%s failed to open default Intel fw file: %s",
1549 hdev
->name
, fwname
);
1554 BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev
->name
, fwname
);
1559 static int btusb_setup_intel_patching(struct hci_dev
*hdev
,
1560 const struct firmware
*fw
,
1561 const u8
**fw_ptr
, int *disable_patch
)
1563 struct sk_buff
*skb
;
1564 struct hci_command_hdr
*cmd
;
1565 const u8
*cmd_param
;
1566 struct hci_event_hdr
*evt
= NULL
;
1567 const u8
*evt_param
= NULL
;
1568 int remain
= fw
->size
- (*fw_ptr
- fw
->data
);
1570 /* The first byte indicates the types of the patch command or event.
1571 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
1572 * in the current firmware buffer doesn't start with 0x01 or
1573 * the size of remain buffer is smaller than HCI command header,
1574 * the firmware file is corrupted and it should stop the patching
1577 if (remain
> HCI_COMMAND_HDR_SIZE
&& *fw_ptr
[0] != 0x01) {
1578 BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev
->name
);
1584 cmd
= (struct hci_command_hdr
*)(*fw_ptr
);
1585 *fw_ptr
+= sizeof(*cmd
);
1586 remain
-= sizeof(*cmd
);
1588 /* Ensure that the remain firmware data is long enough than the length
1589 * of command parameter. If not, the firmware file is corrupted.
1591 if (remain
< cmd
->plen
) {
1592 BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev
->name
);
1596 /* If there is a command that loads a patch in the firmware
1597 * file, then enable the patch upon success, otherwise just
1598 * disable the manufacturer mode, for example patch activation
1599 * is not required when the default firmware patch file is used
1600 * because there are no patch data to load.
1602 if (*disable_patch
&& le16_to_cpu(cmd
->opcode
) == 0xfc8e)
1605 cmd_param
= *fw_ptr
;
1606 *fw_ptr
+= cmd
->plen
;
1607 remain
-= cmd
->plen
;
1609 /* This reads the expected events when the above command is sent to the
1610 * device. Some vendor commands expects more than one events, for
1611 * example command status event followed by vendor specific event.
1612 * For this case, it only keeps the last expected event. so the command
1613 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
1614 * last expected event.
1616 while (remain
> HCI_EVENT_HDR_SIZE
&& *fw_ptr
[0] == 0x02) {
1620 evt
= (struct hci_event_hdr
*)(*fw_ptr
);
1621 *fw_ptr
+= sizeof(*evt
);
1622 remain
-= sizeof(*evt
);
1624 if (remain
< evt
->plen
) {
1625 BT_ERR("%s Intel fw corrupted: invalid evt len",
1630 evt_param
= *fw_ptr
;
1631 *fw_ptr
+= evt
->plen
;
1632 remain
-= evt
->plen
;
1635 /* Every HCI commands in the firmware file has its correspond event.
1636 * If event is not found or remain is smaller than zero, the firmware
1637 * file is corrupted.
1639 if (!evt
|| !evt_param
|| remain
< 0) {
1640 BT_ERR("%s Intel fw corrupted: invalid evt read", hdev
->name
);
1644 skb
= __hci_cmd_sync_ev(hdev
, le16_to_cpu(cmd
->opcode
), cmd
->plen
,
1645 cmd_param
, evt
->evt
, HCI_INIT_TIMEOUT
);
1647 BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)",
1648 hdev
->name
, cmd
->opcode
, PTR_ERR(skb
));
1649 return PTR_ERR(skb
);
1652 /* It ensures that the returned event matches the event data read from
1653 * the firmware file. At fist, it checks the length and then
1654 * the contents of the event.
1656 if (skb
->len
!= evt
->plen
) {
1657 BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev
->name
,
1658 le16_to_cpu(cmd
->opcode
));
1663 if (memcmp(skb
->data
, evt_param
, evt
->plen
)) {
1664 BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)",
1665 hdev
->name
, le16_to_cpu(cmd
->opcode
));
1674 static int btusb_setup_intel(struct hci_dev
*hdev
)
1676 struct sk_buff
*skb
;
1677 const struct firmware
*fw
;
1679 int disable_patch
, err
;
1680 struct intel_version ver
;
1682 BT_DBG("%s", hdev
->name
);
1684 /* The controller has a bug with the first HCI command sent to it
1685 * returning number of completed commands as zero. This would stall the
1686 * command processing in the Bluetooth core.
1688 * As a workaround, send HCI Reset command first which will reset the
1689 * number of completed commands and allow normal command processing
1692 skb
= __hci_cmd_sync(hdev
, HCI_OP_RESET
, 0, NULL
, HCI_INIT_TIMEOUT
);
1694 BT_ERR("%s sending initial HCI reset command failed (%ld)",
1695 hdev
->name
, PTR_ERR(skb
));
1696 return PTR_ERR(skb
);
1700 /* Read Intel specific controller version first to allow selection of
1701 * which firmware file to load.
1703 * The returned information are hardware variant and revision plus
1704 * firmware variant, revision and build number.
1706 err
= btintel_read_version(hdev
, &ver
);
1710 BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
1711 hdev
->name
, ver
.hw_platform
, ver
.hw_variant
, ver
.hw_revision
,
1712 ver
.fw_variant
, ver
.fw_revision
, ver
.fw_build_num
,
1713 ver
.fw_build_ww
, ver
.fw_build_yy
, ver
.fw_patch_num
);
1715 /* fw_patch_num indicates the version of patch the device currently
1716 * have. If there is no patch data in the device, it is always 0x00.
1717 * So, if it is other than 0x00, no need to patch the device again.
1719 if (ver
.fw_patch_num
) {
1720 BT_INFO("%s: Intel device is already patched. patch num: %02x",
1721 hdev
->name
, ver
.fw_patch_num
);
1725 /* Opens the firmware patch file based on the firmware version read
1726 * from the controller. If it fails to open the matching firmware
1727 * patch file, it tries to open the default firmware patch file.
1728 * If no patch file is found, allow the device to operate without
1731 fw
= btusb_setup_intel_get_fw(hdev
, &ver
);
1736 /* Enable the manufacturer mode of the controller.
1737 * Only while this mode is enabled, the driver can download the
1738 * firmware patch data and configuration parameters.
1740 err
= btintel_enter_mfg(hdev
);
1742 release_firmware(fw
);
1748 /* The firmware data file consists of list of Intel specific HCI
1749 * commands and its expected events. The first byte indicates the
1750 * type of the message, either HCI command or HCI event.
1752 * It reads the command and its expected event from the firmware file,
1753 * and send to the controller. Once __hci_cmd_sync_ev() returns,
1754 * the returned event is compared with the event read from the firmware
1755 * file and it will continue until all the messages are downloaded to
1758 * Once the firmware patching is completed successfully,
1759 * the manufacturer mode is disabled with reset and activating the
1762 * If the firmware patching fails, the manufacturer mode is
1763 * disabled with reset and deactivating the patch.
1765 * If the default patch file is used, no reset is done when disabling
1768 while (fw
->size
> fw_ptr
- fw
->data
) {
1771 ret
= btusb_setup_intel_patching(hdev
, fw
, &fw_ptr
,
1774 goto exit_mfg_deactivate
;
1777 release_firmware(fw
);
1780 goto exit_mfg_disable
;
1782 /* Patching completed successfully and disable the manufacturer mode
1783 * with reset and activate the downloaded firmware patches.
1785 err
= btintel_exit_mfg(hdev
, true, true);
1789 BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
1795 /* Disable the manufacturer mode without reset */
1796 err
= btintel_exit_mfg(hdev
, false, false);
1800 BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev
->name
);
1804 exit_mfg_deactivate
:
1805 release_firmware(fw
);
1807 /* Patching failed. Disable the manufacturer mode with reset and
1808 * deactivate the downloaded firmware patches.
1810 err
= btintel_exit_mfg(hdev
, true, false);
1814 BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
1818 /* Set the event mask for Intel specific vendor events. This enables
1819 * a few extra events that are useful during general operation.
1821 btintel_set_event_mask_mfg(hdev
, false);
1823 btintel_check_bdaddr(hdev
);
1827 static int inject_cmd_complete(struct hci_dev
*hdev
, __u16 opcode
)
1829 struct sk_buff
*skb
;
1830 struct hci_event_hdr
*hdr
;
1831 struct hci_ev_cmd_complete
*evt
;
1833 skb
= bt_skb_alloc(sizeof(*hdr
) + sizeof(*evt
) + 1, GFP_ATOMIC
);
1837 hdr
= (struct hci_event_hdr
*)skb_put(skb
, sizeof(*hdr
));
1838 hdr
->evt
= HCI_EV_CMD_COMPLETE
;
1839 hdr
->plen
= sizeof(*evt
) + 1;
1841 evt
= (struct hci_ev_cmd_complete
*)skb_put(skb
, sizeof(*evt
));
1843 evt
->opcode
= cpu_to_le16(opcode
);
1845 *skb_put(skb
, 1) = 0x00;
1847 hci_skb_pkt_type(skb
) = HCI_EVENT_PKT
;
1849 return hci_recv_frame(hdev
, skb
);
1852 static int btusb_recv_bulk_intel(struct btusb_data
*data
, void *buffer
,
1855 /* When the device is in bootloader mode, then it can send
1856 * events via the bulk endpoint. These events are treated the
1857 * same way as the ones received from the interrupt endpoint.
1859 if (test_bit(BTUSB_BOOTLOADER
, &data
->flags
))
1860 return btusb_recv_intr(data
, buffer
, count
);
1862 return btusb_recv_bulk(data
, buffer
, count
);
1865 static void btusb_intel_bootup(struct btusb_data
*data
, const void *ptr
,
1868 const struct intel_bootup
*evt
= ptr
;
1870 if (len
!= sizeof(*evt
))
1873 if (test_and_clear_bit(BTUSB_BOOTING
, &data
->flags
)) {
1874 smp_mb__after_atomic();
1875 wake_up_bit(&data
->flags
, BTUSB_BOOTING
);
1879 static void btusb_intel_secure_send_result(struct btusb_data
*data
,
1880 const void *ptr
, unsigned int len
)
1882 const struct intel_secure_send_result
*evt
= ptr
;
1884 if (len
!= sizeof(*evt
))
1888 set_bit(BTUSB_FIRMWARE_FAILED
, &data
->flags
);
1890 if (test_and_clear_bit(BTUSB_DOWNLOADING
, &data
->flags
) &&
1891 test_bit(BTUSB_FIRMWARE_LOADED
, &data
->flags
)) {
1892 smp_mb__after_atomic();
1893 wake_up_bit(&data
->flags
, BTUSB_DOWNLOADING
);
1897 static int btusb_recv_event_intel(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1899 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1901 if (test_bit(BTUSB_BOOTLOADER
, &data
->flags
)) {
1902 struct hci_event_hdr
*hdr
= (void *)skb
->data
;
1904 if (skb
->len
> HCI_EVENT_HDR_SIZE
&& hdr
->evt
== 0xff &&
1906 const void *ptr
= skb
->data
+ HCI_EVENT_HDR_SIZE
+ 1;
1907 unsigned int len
= skb
->len
- HCI_EVENT_HDR_SIZE
- 1;
1909 switch (skb
->data
[2]) {
1911 /* When switching to the operational firmware
1912 * the device sends a vendor specific event
1913 * indicating that the bootup completed.
1915 btusb_intel_bootup(data
, ptr
, len
);
1918 /* When the firmware loading completes the
1919 * device sends out a vendor specific event
1920 * indicating the result of the firmware
1923 btusb_intel_secure_send_result(data
, ptr
, len
);
1929 return hci_recv_frame(hdev
, skb
);
1932 static int btusb_send_frame_intel(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1934 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1937 BT_DBG("%s", hdev
->name
);
1939 switch (hci_skb_pkt_type(skb
)) {
1940 case HCI_COMMAND_PKT
:
1941 if (test_bit(BTUSB_BOOTLOADER
, &data
->flags
)) {
1942 struct hci_command_hdr
*cmd
= (void *)skb
->data
;
1943 __u16 opcode
= le16_to_cpu(cmd
->opcode
);
1945 /* When in bootloader mode and the command 0xfc09
1946 * is received, it needs to be send down the
1947 * bulk endpoint. So allocate a bulk URB instead.
1949 if (opcode
== 0xfc09)
1950 urb
= alloc_bulk_urb(hdev
, skb
);
1952 urb
= alloc_ctrl_urb(hdev
, skb
);
1954 /* When the 0xfc01 command is issued to boot into
1955 * the operational firmware, it will actually not
1956 * send a command complete event. To keep the flow
1957 * control working inject that event here.
1959 if (opcode
== 0xfc01)
1960 inject_cmd_complete(hdev
, opcode
);
1962 urb
= alloc_ctrl_urb(hdev
, skb
);
1965 return PTR_ERR(urb
);
1967 hdev
->stat
.cmd_tx
++;
1968 return submit_or_queue_tx_urb(hdev
, urb
);
1970 case HCI_ACLDATA_PKT
:
1971 urb
= alloc_bulk_urb(hdev
, skb
);
1973 return PTR_ERR(urb
);
1975 hdev
->stat
.acl_tx
++;
1976 return submit_or_queue_tx_urb(hdev
, urb
);
1978 case HCI_SCODATA_PKT
:
1979 if (hci_conn_num(hdev
, SCO_LINK
) < 1)
1982 urb
= alloc_isoc_urb(hdev
, skb
);
1984 return PTR_ERR(urb
);
1986 hdev
->stat
.sco_tx
++;
1987 return submit_tx_urb(hdev
, urb
);
1993 static int btusb_setup_intel_new(struct hci_dev
*hdev
)
1995 static const u8 reset_param
[] = { 0x00, 0x01, 0x00, 0x01,
1996 0x00, 0x08, 0x04, 0x00 };
1997 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1998 struct sk_buff
*skb
;
1999 struct intel_version ver
;
2000 struct intel_boot_params
*params
;
2001 const struct firmware
*fw
;
2005 ktime_t calltime
, delta
, rettime
;
2006 unsigned long long duration
;
2009 BT_DBG("%s", hdev
->name
);
2011 calltime
= ktime_get();
2013 /* Read the Intel version information to determine if the device
2014 * is in bootloader mode or if it already has operational firmware
2017 err
= btintel_read_version(hdev
, &ver
);
2021 /* The hardware platform number has a fixed value of 0x37 and
2022 * for now only accept this single value.
2024 if (ver
.hw_platform
!= 0x37) {
2025 BT_ERR("%s: Unsupported Intel hardware platform (%u)",
2026 hdev
->name
, ver
.hw_platform
);
2030 /* Check for supported iBT hardware variants of this firmware
2033 * This check has been put in place to ensure correct forward
2034 * compatibility options when newer hardware variants come along.
2036 switch (ver
.hw_variant
) {
2037 case 0x0b: /* SfP */
2038 case 0x0c: /* WsP */
2039 case 0x12: /* ThP */
2042 BT_ERR("%s: Unsupported Intel hardware variant (%u)",
2043 hdev
->name
, ver
.hw_variant
);
2047 btintel_version_info(hdev
, &ver
);
2049 /* The firmware variant determines if the device is in bootloader
2050 * mode or is running operational firmware. The value 0x06 identifies
2051 * the bootloader and the value 0x23 identifies the operational
2054 * When the operational firmware is already present, then only
2055 * the check for valid Bluetooth device address is needed. This
2056 * determines if the device will be added as configured or
2057 * unconfigured controller.
2059 * It is not possible to use the Secure Boot Parameters in this
2060 * case since that command is only available in bootloader mode.
2062 if (ver
.fw_variant
== 0x23) {
2063 clear_bit(BTUSB_BOOTLOADER
, &data
->flags
);
2064 btintel_check_bdaddr(hdev
);
2068 /* If the device is not in bootloader mode, then the only possible
2069 * choice is to return an error and abort the device initialization.
2071 if (ver
.fw_variant
!= 0x06) {
2072 BT_ERR("%s: Unsupported Intel firmware variant (%u)",
2073 hdev
->name
, ver
.fw_variant
);
2077 /* Read the secure boot parameters to identify the operating
2078 * details of the bootloader.
2080 skb
= __hci_cmd_sync(hdev
, 0xfc0d, 0, NULL
, HCI_INIT_TIMEOUT
);
2082 BT_ERR("%s: Reading Intel boot parameters failed (%ld)",
2083 hdev
->name
, PTR_ERR(skb
));
2084 return PTR_ERR(skb
);
2087 if (skb
->len
!= sizeof(*params
)) {
2088 BT_ERR("%s: Intel boot parameters size mismatch", hdev
->name
);
2093 params
= (struct intel_boot_params
*)skb
->data
;
2095 BT_INFO("%s: Device revision is %u", hdev
->name
,
2096 le16_to_cpu(params
->dev_revid
));
2098 BT_INFO("%s: Secure boot is %s", hdev
->name
,
2099 params
->secure_boot
? "enabled" : "disabled");
2101 BT_INFO("%s: OTP lock is %s", hdev
->name
,
2102 params
->otp_lock
? "enabled" : "disabled");
2104 BT_INFO("%s: API lock is %s", hdev
->name
,
2105 params
->api_lock
? "enabled" : "disabled");
2107 BT_INFO("%s: Debug lock is %s", hdev
->name
,
2108 params
->debug_lock
? "enabled" : "disabled");
2110 BT_INFO("%s: Minimum firmware build %u week %u %u", hdev
->name
,
2111 params
->min_fw_build_nn
, params
->min_fw_build_cw
,
2112 2000 + params
->min_fw_build_yy
);
2114 /* It is required that every single firmware fragment is acknowledged
2115 * with a command complete event. If the boot parameters indicate
2116 * that this bootloader does not send them, then abort the setup.
2118 if (params
->limited_cce
!= 0x00) {
2119 BT_ERR("%s: Unsupported Intel firmware loading method (%u)",
2120 hdev
->name
, params
->limited_cce
);
2125 /* If the OTP has no valid Bluetooth device address, then there will
2126 * also be no valid address for the operational firmware.
2128 if (!bacmp(¶ms
->otp_bdaddr
, BDADDR_ANY
)) {
2129 BT_INFO("%s: No device address configured", hdev
->name
);
2130 set_bit(HCI_QUIRK_INVALID_BDADDR
, &hdev
->quirks
);
2133 /* With this Intel bootloader only the hardware variant and device
2134 * revision information are used to select the right firmware.
2136 * The firmware filename is ibt-<hw_variant>-<dev_revid>.sfi.
2138 * Currently the supported hardware variants are:
2139 * 11 (0x0b) for iBT3.0 (LnP/SfP)
2140 * 12 (0x0c) for iBT3.5 (WsP)
2142 snprintf(fwname
, sizeof(fwname
), "intel/ibt-%u-%u.sfi",
2143 le16_to_cpu(ver
.hw_variant
),
2144 le16_to_cpu(params
->dev_revid
));
2146 err
= request_firmware(&fw
, fwname
, &hdev
->dev
);
2148 BT_ERR("%s: Failed to load Intel firmware file (%d)",
2154 BT_INFO("%s: Found device firmware: %s", hdev
->name
, fwname
);
2156 /* Save the DDC file name for later use to apply once the firmware
2157 * downloading is done.
2159 snprintf(fwname
, sizeof(fwname
), "intel/ibt-%u-%u.ddc",
2160 le16_to_cpu(ver
.hw_variant
),
2161 le16_to_cpu(params
->dev_revid
));
2165 if (fw
->size
< 644) {
2166 BT_ERR("%s: Invalid size of firmware file (%zu)",
2167 hdev
->name
, fw
->size
);
2172 set_bit(BTUSB_DOWNLOADING
, &data
->flags
);
2174 /* Start the firmware download transaction with the Init fragment
2175 * represented by the 128 bytes of CSS header.
2177 err
= btintel_secure_send(hdev
, 0x00, 128, fw
->data
);
2179 BT_ERR("%s: Failed to send firmware header (%d)",
2184 /* Send the 256 bytes of public key information from the firmware
2185 * as the PKey fragment.
2187 err
= btintel_secure_send(hdev
, 0x03, 256, fw
->data
+ 128);
2189 BT_ERR("%s: Failed to send firmware public key (%d)",
2194 /* Send the 256 bytes of signature information from the firmware
2195 * as the Sign fragment.
2197 err
= btintel_secure_send(hdev
, 0x02, 256, fw
->data
+ 388);
2199 BT_ERR("%s: Failed to send firmware signature (%d)",
2204 fw_ptr
= fw
->data
+ 644;
2207 while (fw_ptr
- fw
->data
< fw
->size
) {
2208 struct hci_command_hdr
*cmd
= (void *)(fw_ptr
+ frag_len
);
2210 frag_len
+= sizeof(*cmd
) + cmd
->plen
;
2212 /* The parameter length of the secure send command requires
2213 * a 4 byte alignment. It happens so that the firmware file
2214 * contains proper Intel_NOP commands to align the fragments
2217 * Send set of commands with 4 byte alignment from the
2218 * firmware data buffer as a single Data fragement.
2220 if (!(frag_len
% 4)) {
2221 err
= btintel_secure_send(hdev
, 0x01, frag_len
, fw_ptr
);
2223 BT_ERR("%s: Failed to send firmware data (%d)",
2233 set_bit(BTUSB_FIRMWARE_LOADED
, &data
->flags
);
2235 BT_INFO("%s: Waiting for firmware download to complete", hdev
->name
);
2237 /* Before switching the device into operational mode and with that
2238 * booting the loaded firmware, wait for the bootloader notification
2239 * that all fragments have been successfully received.
2241 * When the event processing receives the notification, then the
2242 * BTUSB_DOWNLOADING flag will be cleared.
2244 * The firmware loading should not take longer than 5 seconds
2245 * and thus just timeout if that happens and fail the setup
2248 err
= wait_on_bit_timeout(&data
->flags
, BTUSB_DOWNLOADING
,
2250 msecs_to_jiffies(5000));
2251 if (err
== -EINTR
) {
2252 BT_ERR("%s: Firmware loading interrupted", hdev
->name
);
2257 BT_ERR("%s: Firmware loading timeout", hdev
->name
);
2262 if (test_bit(BTUSB_FIRMWARE_FAILED
, &data
->flags
)) {
2263 BT_ERR("%s: Firmware loading failed", hdev
->name
);
2268 rettime
= ktime_get();
2269 delta
= ktime_sub(rettime
, calltime
);
2270 duration
= (unsigned long long) ktime_to_ns(delta
) >> 10;
2272 BT_INFO("%s: Firmware loaded in %llu usecs", hdev
->name
, duration
);
2275 release_firmware(fw
);
2280 calltime
= ktime_get();
2282 set_bit(BTUSB_BOOTING
, &data
->flags
);
2284 skb
= __hci_cmd_sync(hdev
, 0xfc01, sizeof(reset_param
), reset_param
,
2287 return PTR_ERR(skb
);
2291 /* The bootloader will not indicate when the device is ready. This
2292 * is done by the operational firmware sending bootup notification.
2294 * Booting into operational firmware should not take longer than
2295 * 1 second. However if that happens, then just fail the setup
2296 * since something went wrong.
2298 BT_INFO("%s: Waiting for device to boot", hdev
->name
);
2300 err
= wait_on_bit_timeout(&data
->flags
, BTUSB_BOOTING
,
2302 msecs_to_jiffies(1000));
2304 if (err
== -EINTR
) {
2305 BT_ERR("%s: Device boot interrupted", hdev
->name
);
2310 BT_ERR("%s: Device boot timeout", hdev
->name
);
2314 rettime
= ktime_get();
2315 delta
= ktime_sub(rettime
, calltime
);
2316 duration
= (unsigned long long) ktime_to_ns(delta
) >> 10;
2318 BT_INFO("%s: Device booted in %llu usecs", hdev
->name
, duration
);
2320 clear_bit(BTUSB_BOOTLOADER
, &data
->flags
);
2322 /* Once the device is running in operational mode, it needs to apply
2323 * the device configuration (DDC) parameters.
2325 * The device can work without DDC parameters, so even if it fails
2326 * to load the file, no need to fail the setup.
2328 btintel_load_ddc_config(hdev
, fwname
);
2330 /* Set the event mask for Intel specific vendor events. This enables
2331 * a few extra events that are useful during general operation. It
2332 * does not enable any debugging related events.
2334 * The device will function correctly without these events enabled
2335 * and thus no need to fail the setup.
2337 btintel_set_event_mask(hdev
, false);
2342 static int btusb_shutdown_intel(struct hci_dev
*hdev
)
2344 struct sk_buff
*skb
;
2347 /* Some platforms have an issue with BT LED when the interface is
2348 * down or BT radio is turned off, which takes 5 seconds to BT LED
2349 * goes off. This command turns off the BT LED immediately.
2351 skb
= __hci_cmd_sync(hdev
, 0xfc3f, 0, NULL
, HCI_INIT_TIMEOUT
);
2354 BT_ERR("%s: turning off Intel device LED failed (%ld)",
2364 /* Configure an out-of-band gpio as wake-up pin, if specified in device tree */
2365 static int marvell_config_oob_wake(struct hci_dev
*hdev
)
2367 struct sk_buff
*skb
;
2368 struct btusb_data
*data
= hci_get_drvdata(hdev
);
2369 struct device
*dev
= &data
->udev
->dev
;
2370 u16 pin
, gap
, opcode
;
2374 /* Move on if no wakeup pin specified */
2375 if (of_property_read_u16(dev
->of_node
, "marvell,wakeup-pin", &pin
) ||
2376 of_property_read_u16(dev
->of_node
, "marvell,wakeup-gap-ms", &gap
))
2379 /* Vendor specific command to configure a GPIO as wake-up pin */
2380 opcode
= hci_opcode_pack(0x3F, 0x59);
2381 cmd
[0] = opcode
& 0xFF;
2382 cmd
[1] = opcode
>> 8;
2383 cmd
[2] = 2; /* length of parameters that follow */
2385 cmd
[4] = gap
; /* time in ms, for which wakeup pin should be asserted */
2387 skb
= bt_skb_alloc(sizeof(cmd
), GFP_KERNEL
);
2389 bt_dev_err(hdev
, "%s: No memory\n", __func__
);
2393 memcpy(skb_put(skb
, sizeof(cmd
)), cmd
, sizeof(cmd
));
2394 hci_skb_pkt_type(skb
) = HCI_COMMAND_PKT
;
2396 ret
= btusb_send_frame(hdev
, skb
);
2398 bt_dev_err(hdev
, "%s: configuration failed\n", __func__
);
2407 static int btusb_set_bdaddr_marvell(struct hci_dev
*hdev
,
2408 const bdaddr_t
*bdaddr
)
2410 struct sk_buff
*skb
;
2415 buf
[1] = sizeof(bdaddr_t
);
2416 memcpy(buf
+ 2, bdaddr
, sizeof(bdaddr_t
));
2418 skb
= __hci_cmd_sync(hdev
, 0xfc22, sizeof(buf
), buf
, HCI_INIT_TIMEOUT
);
2421 BT_ERR("%s: changing Marvell device address failed (%ld)",
2430 static int btusb_set_bdaddr_ath3012(struct hci_dev
*hdev
,
2431 const bdaddr_t
*bdaddr
)
2433 struct sk_buff
*skb
;
2440 buf
[3] = sizeof(bdaddr_t
);
2441 memcpy(buf
+ 4, bdaddr
, sizeof(bdaddr_t
));
2443 skb
= __hci_cmd_sync(hdev
, 0xfc0b, sizeof(buf
), buf
, HCI_INIT_TIMEOUT
);
2446 BT_ERR("%s: Change address command failed (%ld)",
2455 #define QCA_DFU_PACKET_LEN 4096
2457 #define QCA_GET_TARGET_VERSION 0x09
2458 #define QCA_CHECK_STATUS 0x05
2459 #define QCA_DFU_DOWNLOAD 0x01
2461 #define QCA_SYSCFG_UPDATED 0x40
2462 #define QCA_PATCH_UPDATED 0x80
2463 #define QCA_DFU_TIMEOUT 3000
2465 struct qca_version
{
2467 __le32 patch_version
;
2473 struct qca_rampatch_version
{
2475 __le16 patch_version
;
2478 struct qca_device_info
{
2480 u8 rampatch_hdr
; /* length of header in rampatch */
2481 u8 nvm_hdr
; /* length of header in NVM */
2482 u8 ver_offset
; /* offset of version structure in rampatch */
2485 static const struct qca_device_info qca_devices_table
[] = {
2486 { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */
2487 { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
2488 { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
2489 { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
2490 { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
2491 { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
2494 static int btusb_qca_send_vendor_req(struct hci_dev
*hdev
, u8 request
,
2495 void *data
, u16 size
)
2497 struct btusb_data
*btdata
= hci_get_drvdata(hdev
);
2498 struct usb_device
*udev
= btdata
->udev
;
2502 buf
= kmalloc(size
, GFP_KERNEL
);
2506 /* Found some of USB hosts have IOT issues with ours so that we should
2507 * not wait until HCI layer is ready.
2509 pipe
= usb_rcvctrlpipe(udev
, 0);
2510 err
= usb_control_msg(udev
, pipe
, request
, USB_TYPE_VENDOR
| USB_DIR_IN
,
2511 0, 0, buf
, size
, USB_CTRL_SET_TIMEOUT
);
2513 BT_ERR("%s: Failed to access otp area (%d)", hdev
->name
, err
);
2517 memcpy(data
, buf
, size
);
2525 static int btusb_setup_qca_download_fw(struct hci_dev
*hdev
,
2526 const struct firmware
*firmware
,
2529 struct btusb_data
*btdata
= hci_get_drvdata(hdev
);
2530 struct usb_device
*udev
= btdata
->udev
;
2531 size_t count
, size
, sent
= 0;
2535 buf
= kmalloc(QCA_DFU_PACKET_LEN
, GFP_KERNEL
);
2539 count
= firmware
->size
;
2541 size
= min_t(size_t, count
, hdr_size
);
2542 memcpy(buf
, firmware
->data
, size
);
2544 /* USB patches should go down to controller through USB path
2545 * because binary format fits to go down through USB channel.
2546 * USB control path is for patching headers and USB bulk is for
2549 pipe
= usb_sndctrlpipe(udev
, 0);
2550 err
= usb_control_msg(udev
, pipe
, QCA_DFU_DOWNLOAD
, USB_TYPE_VENDOR
,
2551 0, 0, buf
, size
, USB_CTRL_SET_TIMEOUT
);
2553 BT_ERR("%s: Failed to send headers (%d)", hdev
->name
, err
);
2561 size
= min_t(size_t, count
, QCA_DFU_PACKET_LEN
);
2563 memcpy(buf
, firmware
->data
+ sent
, size
);
2565 pipe
= usb_sndbulkpipe(udev
, 0x02);
2566 err
= usb_bulk_msg(udev
, pipe
, buf
, size
, &len
,
2569 BT_ERR("%s: Failed to send body at %zd of %zd (%d)",
2570 hdev
->name
, sent
, firmware
->size
, err
);
2575 BT_ERR("%s: Failed to get bulk buffer", hdev
->name
);
2589 static int btusb_setup_qca_load_rampatch(struct hci_dev
*hdev
,
2590 struct qca_version
*ver
,
2591 const struct qca_device_info
*info
)
2593 struct qca_rampatch_version
*rver
;
2594 const struct firmware
*fw
;
2595 u32 ver_rom
, ver_patch
;
2596 u16 rver_rom
, rver_patch
;
2600 ver_rom
= le32_to_cpu(ver
->rom_version
);
2601 ver_patch
= le32_to_cpu(ver
->patch_version
);
2603 snprintf(fwname
, sizeof(fwname
), "qca/rampatch_usb_%08x.bin", ver_rom
);
2605 err
= request_firmware(&fw
, fwname
, &hdev
->dev
);
2607 BT_ERR("%s: failed to request rampatch file: %s (%d)",
2608 hdev
->name
, fwname
, err
);
2612 BT_INFO("%s: using rampatch file: %s", hdev
->name
, fwname
);
2614 rver
= (struct qca_rampatch_version
*)(fw
->data
+ info
->ver_offset
);
2615 rver_rom
= le16_to_cpu(rver
->rom_version
);
2616 rver_patch
= le16_to_cpu(rver
->patch_version
);
2618 BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x "
2619 "build 0x%x", hdev
->name
, rver_rom
, rver_patch
, ver_rom
,
2622 if (rver_rom
!= ver_rom
|| rver_patch
<= ver_patch
) {
2623 BT_ERR("%s: rampatch file version did not match with firmware",
2629 err
= btusb_setup_qca_download_fw(hdev
, fw
, info
->rampatch_hdr
);
2632 release_firmware(fw
);
2637 static int btusb_setup_qca_load_nvm(struct hci_dev
*hdev
,
2638 struct qca_version
*ver
,
2639 const struct qca_device_info
*info
)
2641 const struct firmware
*fw
;
2645 snprintf(fwname
, sizeof(fwname
), "qca/nvm_usb_%08x.bin",
2646 le32_to_cpu(ver
->rom_version
));
2648 err
= request_firmware(&fw
, fwname
, &hdev
->dev
);
2650 BT_ERR("%s: failed to request NVM file: %s (%d)",
2651 hdev
->name
, fwname
, err
);
2655 BT_INFO("%s: using NVM file: %s", hdev
->name
, fwname
);
2657 err
= btusb_setup_qca_download_fw(hdev
, fw
, info
->nvm_hdr
);
2659 release_firmware(fw
);
2664 static int btusb_setup_qca(struct hci_dev
*hdev
)
2666 const struct qca_device_info
*info
= NULL
;
2667 struct qca_version ver
;
2672 err
= btusb_qca_send_vendor_req(hdev
, QCA_GET_TARGET_VERSION
, &ver
,
2677 ver_rom
= le32_to_cpu(ver
.rom_version
);
2678 for (i
= 0; i
< ARRAY_SIZE(qca_devices_table
); i
++) {
2679 if (ver_rom
== qca_devices_table
[i
].rom_version
)
2680 info
= &qca_devices_table
[i
];
2683 BT_ERR("%s: don't support firmware rome 0x%x", hdev
->name
,
2688 err
= btusb_qca_send_vendor_req(hdev
, QCA_CHECK_STATUS
, &status
,
2693 if (!(status
& QCA_PATCH_UPDATED
)) {
2694 err
= btusb_setup_qca_load_rampatch(hdev
, &ver
, info
);
2699 if (!(status
& QCA_SYSCFG_UPDATED
)) {
2700 err
= btusb_setup_qca_load_nvm(hdev
, &ver
, info
);
2708 #ifdef CONFIG_BT_HCIBTUSB_BCM
2709 static inline int __set_diag_interface(struct hci_dev
*hdev
)
2711 struct btusb_data
*data
= hci_get_drvdata(hdev
);
2712 struct usb_interface
*intf
= data
->diag
;
2718 data
->diag_tx_ep
= NULL
;
2719 data
->diag_rx_ep
= NULL
;
2721 for (i
= 0; i
< intf
->cur_altsetting
->desc
.bNumEndpoints
; i
++) {
2722 struct usb_endpoint_descriptor
*ep_desc
;
2724 ep_desc
= &intf
->cur_altsetting
->endpoint
[i
].desc
;
2726 if (!data
->diag_tx_ep
&& usb_endpoint_is_bulk_out(ep_desc
)) {
2727 data
->diag_tx_ep
= ep_desc
;
2731 if (!data
->diag_rx_ep
&& usb_endpoint_is_bulk_in(ep_desc
)) {
2732 data
->diag_rx_ep
= ep_desc
;
2737 if (!data
->diag_tx_ep
|| !data
->diag_rx_ep
) {
2738 BT_ERR("%s invalid diagnostic descriptors", hdev
->name
);
2745 static struct urb
*alloc_diag_urb(struct hci_dev
*hdev
, bool enable
)
2747 struct btusb_data
*data
= hci_get_drvdata(hdev
);
2748 struct sk_buff
*skb
;
2752 if (!data
->diag_tx_ep
)
2753 return ERR_PTR(-ENODEV
);
2755 urb
= usb_alloc_urb(0, GFP_KERNEL
);
2757 return ERR_PTR(-ENOMEM
);
2759 skb
= bt_skb_alloc(2, GFP_KERNEL
);
2762 return ERR_PTR(-ENOMEM
);
2765 *skb_put(skb
, 1) = 0xf0;
2766 *skb_put(skb
, 1) = enable
;
2768 pipe
= usb_sndbulkpipe(data
->udev
, data
->diag_tx_ep
->bEndpointAddress
);
2770 usb_fill_bulk_urb(urb
, data
->udev
, pipe
,
2771 skb
->data
, skb
->len
, btusb_tx_complete
, skb
);
2773 skb
->dev
= (void *)hdev
;
2778 static int btusb_bcm_set_diag(struct hci_dev
*hdev
, bool enable
)
2780 struct btusb_data
*data
= hci_get_drvdata(hdev
);
2786 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
2789 urb
= alloc_diag_urb(hdev
, enable
);
2791 return PTR_ERR(urb
);
2793 return submit_or_queue_tx_urb(hdev
, urb
);
2798 static irqreturn_t
btusb_oob_wake_handler(int irq
, void *priv
)
2800 struct btusb_data
*data
= priv
;
2802 pm_wakeup_event(&data
->udev
->dev
, 0);
2805 /* Disable only if not already disabled (keep it balanced) */
2806 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED
, &data
->flags
)) {
2807 disable_irq_nosync(irq
);
2808 disable_irq_wake(irq
);
2813 static const struct of_device_id btusb_match_table
[] = {
2814 { .compatible
= "usb1286,204e" },
2817 MODULE_DEVICE_TABLE(of
, btusb_match_table
);
2819 /* Use an oob wakeup pin? */
2820 static int btusb_config_oob_wake(struct hci_dev
*hdev
)
2822 struct btusb_data
*data
= hci_get_drvdata(hdev
);
2823 struct device
*dev
= &data
->udev
->dev
;
2826 clear_bit(BTUSB_OOB_WAKE_ENABLED
, &data
->flags
);
2828 if (!of_match_device(btusb_match_table
, dev
))
2831 /* Move on if no IRQ specified */
2832 irq
= of_irq_get_byname(dev
->of_node
, "wakeup");
2834 bt_dev_dbg(hdev
, "%s: no OOB Wakeup IRQ in DT", __func__
);
2838 ret
= devm_request_irq(&hdev
->dev
, irq
, btusb_oob_wake_handler
,
2839 0, "OOB Wake-on-BT", data
);
2841 bt_dev_err(hdev
, "%s: IRQ request failed", __func__
);
2845 ret
= device_init_wakeup(dev
, true);
2847 bt_dev_err(hdev
, "%s: failed to init_wakeup", __func__
);
2851 data
->oob_wake_irq
= irq
;
2853 bt_dev_info(hdev
, "OOB Wake-on-BT configured at IRQ %u", irq
);
2858 static int btusb_probe(struct usb_interface
*intf
,
2859 const struct usb_device_id
*id
)
2861 struct usb_endpoint_descriptor
*ep_desc
;
2862 struct btusb_data
*data
;
2863 struct hci_dev
*hdev
;
2864 unsigned ifnum_base
;
2867 BT_DBG("intf %p id %p", intf
, id
);
2869 /* interface numbers are hardcoded in the spec */
2870 if (intf
->cur_altsetting
->desc
.bInterfaceNumber
!= 0) {
2871 if (!(id
->driver_info
& BTUSB_IFNUM_2
))
2873 if (intf
->cur_altsetting
->desc
.bInterfaceNumber
!= 2)
2877 ifnum_base
= intf
->cur_altsetting
->desc
.bInterfaceNumber
;
2879 if (!id
->driver_info
) {
2880 const struct usb_device_id
*match
;
2882 match
= usb_match_id(intf
, blacklist_table
);
2887 if (id
->driver_info
== BTUSB_IGNORE
)
2890 if (id
->driver_info
& BTUSB_ATH3012
) {
2891 struct usb_device
*udev
= interface_to_usbdev(intf
);
2893 /* Old firmware would otherwise let ath3k driver load
2894 * patch and sysconfig files */
2895 if (le16_to_cpu(udev
->descriptor
.bcdDevice
) <= 0x0001)
2899 data
= devm_kzalloc(&intf
->dev
, sizeof(*data
), GFP_KERNEL
);
2903 for (i
= 0; i
< intf
->cur_altsetting
->desc
.bNumEndpoints
; i
++) {
2904 ep_desc
= &intf
->cur_altsetting
->endpoint
[i
].desc
;
2906 if (!data
->intr_ep
&& usb_endpoint_is_int_in(ep_desc
)) {
2907 data
->intr_ep
= ep_desc
;
2911 if (!data
->bulk_tx_ep
&& usb_endpoint_is_bulk_out(ep_desc
)) {
2912 data
->bulk_tx_ep
= ep_desc
;
2916 if (!data
->bulk_rx_ep
&& usb_endpoint_is_bulk_in(ep_desc
)) {
2917 data
->bulk_rx_ep
= ep_desc
;
2922 if (!data
->intr_ep
|| !data
->bulk_tx_ep
|| !data
->bulk_rx_ep
)
2925 if (id
->driver_info
& BTUSB_AMP
) {
2926 data
->cmdreq_type
= USB_TYPE_CLASS
| 0x01;
2927 data
->cmdreq
= 0x2b;
2929 data
->cmdreq_type
= USB_TYPE_CLASS
;
2930 data
->cmdreq
= 0x00;
2933 data
->udev
= interface_to_usbdev(intf
);
2936 INIT_WORK(&data
->work
, btusb_work
);
2937 INIT_WORK(&data
->waker
, btusb_waker
);
2938 init_usb_anchor(&data
->deferred
);
2939 init_usb_anchor(&data
->tx_anchor
);
2940 spin_lock_init(&data
->txlock
);
2942 init_usb_anchor(&data
->intr_anchor
);
2943 init_usb_anchor(&data
->bulk_anchor
);
2944 init_usb_anchor(&data
->isoc_anchor
);
2945 init_usb_anchor(&data
->diag_anchor
);
2946 spin_lock_init(&data
->rxlock
);
2948 if (id
->driver_info
& BTUSB_INTEL_NEW
) {
2949 data
->recv_event
= btusb_recv_event_intel
;
2950 data
->recv_bulk
= btusb_recv_bulk_intel
;
2951 set_bit(BTUSB_BOOTLOADER
, &data
->flags
);
2953 data
->recv_event
= hci_recv_frame
;
2954 data
->recv_bulk
= btusb_recv_bulk
;
2957 hdev
= hci_alloc_dev();
2961 hdev
->bus
= HCI_USB
;
2962 hci_set_drvdata(hdev
, data
);
2964 if (id
->driver_info
& BTUSB_AMP
)
2965 hdev
->dev_type
= HCI_AMP
;
2967 hdev
->dev_type
= HCI_PRIMARY
;
2971 SET_HCIDEV_DEV(hdev
, &intf
->dev
);
2973 hdev
->open
= btusb_open
;
2974 hdev
->close
= btusb_close
;
2975 hdev
->flush
= btusb_flush
;
2976 hdev
->send
= btusb_send_frame
;
2977 hdev
->notify
= btusb_notify
;
2980 err
= btusb_config_oob_wake(hdev
);
2984 /* Marvell devices may need a specific chip configuration */
2985 if (id
->driver_info
& BTUSB_MARVELL
&& data
->oob_wake_irq
) {
2986 err
= marvell_config_oob_wake(hdev
);
2991 if (id
->driver_info
& BTUSB_CW6622
)
2992 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY
, &hdev
->quirks
);
2994 if (id
->driver_info
& BTUSB_BCM2045
)
2995 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY
, &hdev
->quirks
);
2997 if (id
->driver_info
& BTUSB_BCM92035
)
2998 hdev
->setup
= btusb_setup_bcm92035
;
3000 #ifdef CONFIG_BT_HCIBTUSB_BCM
3001 if (id
->driver_info
& BTUSB_BCM_PATCHRAM
) {
3002 hdev
->manufacturer
= 15;
3003 hdev
->setup
= btbcm_setup_patchram
;
3004 hdev
->set_diag
= btusb_bcm_set_diag
;
3005 hdev
->set_bdaddr
= btbcm_set_bdaddr
;
3007 /* Broadcom LM_DIAG Interface numbers are hardcoded */
3008 data
->diag
= usb_ifnum_to_if(data
->udev
, ifnum_base
+ 2);
3011 if (id
->driver_info
& BTUSB_BCM_APPLE
) {
3012 hdev
->manufacturer
= 15;
3013 hdev
->setup
= btbcm_setup_apple
;
3014 hdev
->set_diag
= btusb_bcm_set_diag
;
3016 /* Broadcom LM_DIAG Interface numbers are hardcoded */
3017 data
->diag
= usb_ifnum_to_if(data
->udev
, ifnum_base
+ 2);
3021 if (id
->driver_info
& BTUSB_INTEL
) {
3022 hdev
->manufacturer
= 2;
3023 hdev
->setup
= btusb_setup_intel
;
3024 hdev
->shutdown
= btusb_shutdown_intel
;
3025 hdev
->set_diag
= btintel_set_diag_mfg
;
3026 hdev
->set_bdaddr
= btintel_set_bdaddr
;
3027 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
3028 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY
, &hdev
->quirks
);
3029 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG
, &hdev
->quirks
);
3032 if (id
->driver_info
& BTUSB_INTEL_NEW
) {
3033 hdev
->manufacturer
= 2;
3034 hdev
->send
= btusb_send_frame_intel
;
3035 hdev
->setup
= btusb_setup_intel_new
;
3036 hdev
->hw_error
= btintel_hw_error
;
3037 hdev
->set_diag
= btintel_set_diag
;
3038 hdev
->set_bdaddr
= btintel_set_bdaddr
;
3039 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
3040 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG
, &hdev
->quirks
);
3043 if (id
->driver_info
& BTUSB_MARVELL
)
3044 hdev
->set_bdaddr
= btusb_set_bdaddr_marvell
;
3046 if (id
->driver_info
& BTUSB_SWAVE
) {
3047 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE
, &hdev
->quirks
);
3048 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS
, &hdev
->quirks
);
3051 if (id
->driver_info
& BTUSB_INTEL_BOOT
) {
3052 hdev
->manufacturer
= 2;
3053 set_bit(HCI_QUIRK_RAW_DEVICE
, &hdev
->quirks
);
3056 if (id
->driver_info
& BTUSB_ATH3012
) {
3057 hdev
->set_bdaddr
= btusb_set_bdaddr_ath3012
;
3058 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY
, &hdev
->quirks
);
3059 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
3062 if (id
->driver_info
& BTUSB_QCA_ROME
) {
3063 data
->setup_on_usb
= btusb_setup_qca
;
3064 hdev
->set_bdaddr
= btusb_set_bdaddr_ath3012
;
3067 #ifdef CONFIG_BT_HCIBTUSB_RTL
3068 if (id
->driver_info
& BTUSB_REALTEK
) {
3069 hdev
->setup
= btrtl_setup_realtek
;
3071 /* Realtek devices lose their updated firmware over suspend,
3072 * but the USB hub doesn't notice any status change.
3073 * Explicitly request a device reset on resume.
3075 set_bit(BTUSB_RESET_RESUME
, &data
->flags
);
3079 if (id
->driver_info
& BTUSB_AMP
) {
3080 /* AMP controllers do not support SCO packets */
3083 /* Interface orders are hardcoded in the specification */
3084 data
->isoc
= usb_ifnum_to_if(data
->udev
, ifnum_base
+ 1);
3088 set_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
3090 if (force_scofix
|| id
->driver_info
& BTUSB_WRONG_SCO_MTU
) {
3091 if (!disable_scofix
)
3092 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE
, &hdev
->quirks
);
3095 if (id
->driver_info
& BTUSB_BROKEN_ISOC
)
3098 if (id
->driver_info
& BTUSB_DIGIANSWER
) {
3099 data
->cmdreq_type
= USB_TYPE_VENDOR
;
3100 set_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
3103 if (id
->driver_info
& BTUSB_CSR
) {
3104 struct usb_device
*udev
= data
->udev
;
3105 u16 bcdDevice
= le16_to_cpu(udev
->descriptor
.bcdDevice
);
3107 /* Old firmware would otherwise execute USB reset */
3108 if (bcdDevice
< 0x117)
3109 set_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
3111 /* Fake CSR devices with broken commands */
3112 if (bcdDevice
<= 0x100 || bcdDevice
== 0x134)
3113 hdev
->setup
= btusb_setup_csr
;
3115 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY
, &hdev
->quirks
);
3118 if (id
->driver_info
& BTUSB_SNIFFER
) {
3119 struct usb_device
*udev
= data
->udev
;
3121 /* New sniffer firmware has crippled HCI interface */
3122 if (le16_to_cpu(udev
->descriptor
.bcdDevice
) > 0x997)
3123 set_bit(HCI_QUIRK_RAW_DEVICE
, &hdev
->quirks
);
3126 if (id
->driver_info
& BTUSB_INTEL_BOOT
) {
3127 /* A bug in the bootloader causes that interrupt interface is
3128 * only enabled after receiving SetInterface(0, AltSetting=0).
3130 err
= usb_set_interface(data
->udev
, 0, 0);
3132 BT_ERR("failed to set interface 0, alt 0 %d", err
);
3138 err
= usb_driver_claim_interface(&btusb_driver
,
3144 #ifdef CONFIG_BT_HCIBTUSB_BCM
3146 if (!usb_driver_claim_interface(&btusb_driver
,
3148 __set_diag_interface(hdev
);
3154 err
= hci_register_dev(hdev
);
3158 usb_set_intfdata(intf
, data
);
3167 static void btusb_disconnect(struct usb_interface
*intf
)
3169 struct btusb_data
*data
= usb_get_intfdata(intf
);
3170 struct hci_dev
*hdev
;
3172 BT_DBG("intf %p", intf
);
3178 usb_set_intfdata(data
->intf
, NULL
);
3181 usb_set_intfdata(data
->isoc
, NULL
);
3184 usb_set_intfdata(data
->diag
, NULL
);
3186 hci_unregister_dev(hdev
);
3188 if (intf
== data
->intf
) {
3190 usb_driver_release_interface(&btusb_driver
, data
->isoc
);
3192 usb_driver_release_interface(&btusb_driver
, data
->diag
);
3193 } else if (intf
== data
->isoc
) {
3195 usb_driver_release_interface(&btusb_driver
, data
->diag
);
3196 usb_driver_release_interface(&btusb_driver
, data
->intf
);
3197 } else if (intf
== data
->diag
) {
3198 usb_driver_release_interface(&btusb_driver
, data
->intf
);
3200 usb_driver_release_interface(&btusb_driver
, data
->isoc
);
3203 if (data
->oob_wake_irq
)
3204 device_init_wakeup(&data
->udev
->dev
, false);
3210 static int btusb_suspend(struct usb_interface
*intf
, pm_message_t message
)
3212 struct btusb_data
*data
= usb_get_intfdata(intf
);
3214 BT_DBG("intf %p", intf
);
3216 if (data
->suspend_count
++)
3219 spin_lock_irq(&data
->txlock
);
3220 if (!(PMSG_IS_AUTO(message
) && data
->tx_in_flight
)) {
3221 set_bit(BTUSB_SUSPENDING
, &data
->flags
);
3222 spin_unlock_irq(&data
->txlock
);
3224 spin_unlock_irq(&data
->txlock
);
3225 data
->suspend_count
--;
3229 cancel_work_sync(&data
->work
);
3231 btusb_stop_traffic(data
);
3232 usb_kill_anchored_urbs(&data
->tx_anchor
);
3234 if (data
->oob_wake_irq
&& device_may_wakeup(&data
->udev
->dev
)) {
3235 set_bit(BTUSB_OOB_WAKE_ENABLED
, &data
->flags
);
3236 enable_irq_wake(data
->oob_wake_irq
);
3237 enable_irq(data
->oob_wake_irq
);
3240 /* Optionally request a device reset on resume, but only when
3241 * wakeups are disabled. If wakeups are enabled we assume the
3242 * device will stay powered up throughout suspend.
3244 if (test_bit(BTUSB_RESET_RESUME
, &data
->flags
) &&
3245 !device_may_wakeup(&data
->udev
->dev
))
3246 data
->udev
->reset_resume
= 1;
3251 static void play_deferred(struct btusb_data
*data
)
3256 while ((urb
= usb_get_from_anchor(&data
->deferred
))) {
3257 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
3261 data
->tx_in_flight
++;
3263 usb_scuttle_anchored_urbs(&data
->deferred
);
3266 static int btusb_resume(struct usb_interface
*intf
)
3268 struct btusb_data
*data
= usb_get_intfdata(intf
);
3269 struct hci_dev
*hdev
= data
->hdev
;
3272 BT_DBG("intf %p", intf
);
3274 if (--data
->suspend_count
)
3277 /* Disable only if not already disabled (keep it balanced) */
3278 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED
, &data
->flags
)) {
3279 disable_irq(data
->oob_wake_irq
);
3280 disable_irq_wake(data
->oob_wake_irq
);
3283 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
3286 if (test_bit(BTUSB_INTR_RUNNING
, &data
->flags
)) {
3287 err
= btusb_submit_intr_urb(hdev
, GFP_NOIO
);
3289 clear_bit(BTUSB_INTR_RUNNING
, &data
->flags
);
3294 if (test_bit(BTUSB_BULK_RUNNING
, &data
->flags
)) {
3295 err
= btusb_submit_bulk_urb(hdev
, GFP_NOIO
);
3297 clear_bit(BTUSB_BULK_RUNNING
, &data
->flags
);
3301 btusb_submit_bulk_urb(hdev
, GFP_NOIO
);
3304 if (test_bit(BTUSB_ISOC_RUNNING
, &data
->flags
)) {
3305 if (btusb_submit_isoc_urb(hdev
, GFP_NOIO
) < 0)
3306 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
3308 btusb_submit_isoc_urb(hdev
, GFP_NOIO
);
3311 spin_lock_irq(&data
->txlock
);
3312 play_deferred(data
);
3313 clear_bit(BTUSB_SUSPENDING
, &data
->flags
);
3314 spin_unlock_irq(&data
->txlock
);
3315 schedule_work(&data
->work
);
3320 usb_scuttle_anchored_urbs(&data
->deferred
);
3322 spin_lock_irq(&data
->txlock
);
3323 clear_bit(BTUSB_SUSPENDING
, &data
->flags
);
3324 spin_unlock_irq(&data
->txlock
);
3330 static struct usb_driver btusb_driver
= {
3332 .probe
= btusb_probe
,
3333 .disconnect
= btusb_disconnect
,
3335 .suspend
= btusb_suspend
,
3336 .resume
= btusb_resume
,
3338 .id_table
= btusb_table
,
3339 .supports_autosuspend
= 1,
3340 .disable_hub_initiated_lpm
= 1,
3343 module_usb_driver(btusb_driver
);
3345 module_param(disable_scofix
, bool, 0644);
3346 MODULE_PARM_DESC(disable_scofix
, "Disable fixup of wrong SCO buffer size");
3348 module_param(force_scofix
, bool, 0644);
3349 MODULE_PARM_DESC(force_scofix
, "Force fixup of wrong SCO buffers size");
3351 module_param(reset
, bool, 0644);
3352 MODULE_PARM_DESC(reset
, "Send HCI reset command on initialization");
3354 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
3355 MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION
);
3356 MODULE_VERSION(VERSION
);
3357 MODULE_LICENSE("GPL");