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 /* Toshiba Corp - Broadcom based */
158 { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01),
159 .driver_info
= BTUSB_BCM_PATCHRAM
},
161 /* Intel Bluetooth USB Bootloader (RAM module) */
162 { USB_DEVICE(0x8087, 0x0a5a),
163 .driver_info
= BTUSB_INTEL_BOOT
| BTUSB_BROKEN_ISOC
},
165 { } /* Terminating entry */
168 MODULE_DEVICE_TABLE(usb
, btusb_table
);
170 static const struct usb_device_id blacklist_table
[] = {
171 /* CSR BlueCore devices */
172 { USB_DEVICE(0x0a12, 0x0001), .driver_info
= BTUSB_CSR
},
174 /* Broadcom BCM2033 without firmware */
175 { USB_DEVICE(0x0a5c, 0x2033), .driver_info
= BTUSB_IGNORE
},
177 /* Broadcom BCM2045 devices */
178 { USB_DEVICE(0x0a5c, 0x2045), .driver_info
= BTUSB_BCM2045
},
180 /* Atheros 3011 with sflash firmware */
181 { USB_DEVICE(0x0489, 0xe027), .driver_info
= BTUSB_IGNORE
},
182 { USB_DEVICE(0x0489, 0xe03d), .driver_info
= BTUSB_IGNORE
},
183 { USB_DEVICE(0x04f2, 0xaff1), .driver_info
= BTUSB_IGNORE
},
184 { USB_DEVICE(0x0930, 0x0215), .driver_info
= BTUSB_IGNORE
},
185 { USB_DEVICE(0x0cf3, 0x3002), .driver_info
= BTUSB_IGNORE
},
186 { USB_DEVICE(0x0cf3, 0xe019), .driver_info
= BTUSB_IGNORE
},
187 { USB_DEVICE(0x13d3, 0x3304), .driver_info
= BTUSB_IGNORE
},
189 /* Atheros AR9285 Malbec with sflash firmware */
190 { USB_DEVICE(0x03f0, 0x311d), .driver_info
= BTUSB_IGNORE
},
192 /* Atheros 3012 with sflash firmware */
193 { USB_DEVICE(0x0489, 0xe04d), .driver_info
= BTUSB_ATH3012
},
194 { USB_DEVICE(0x0489, 0xe04e), .driver_info
= BTUSB_ATH3012
},
195 { USB_DEVICE(0x0489, 0xe056), .driver_info
= BTUSB_ATH3012
},
196 { USB_DEVICE(0x0489, 0xe057), .driver_info
= BTUSB_ATH3012
},
197 { USB_DEVICE(0x0489, 0xe05f), .driver_info
= BTUSB_ATH3012
},
198 { USB_DEVICE(0x0489, 0xe076), .driver_info
= BTUSB_ATH3012
},
199 { USB_DEVICE(0x0489, 0xe078), .driver_info
= BTUSB_ATH3012
},
200 { USB_DEVICE(0x0489, 0xe095), .driver_info
= BTUSB_ATH3012
},
201 { USB_DEVICE(0x04c5, 0x1330), .driver_info
= BTUSB_ATH3012
},
202 { USB_DEVICE(0x04ca, 0x3004), .driver_info
= BTUSB_ATH3012
},
203 { USB_DEVICE(0x04ca, 0x3005), .driver_info
= BTUSB_ATH3012
},
204 { USB_DEVICE(0x04ca, 0x3006), .driver_info
= BTUSB_ATH3012
},
205 { USB_DEVICE(0x04ca, 0x3007), .driver_info
= BTUSB_ATH3012
},
206 { USB_DEVICE(0x04ca, 0x3008), .driver_info
= BTUSB_ATH3012
},
207 { USB_DEVICE(0x04ca, 0x300b), .driver_info
= BTUSB_ATH3012
},
208 { USB_DEVICE(0x04ca, 0x300d), .driver_info
= BTUSB_ATH3012
},
209 { USB_DEVICE(0x04ca, 0x300f), .driver_info
= BTUSB_ATH3012
},
210 { USB_DEVICE(0x04ca, 0x3010), .driver_info
= BTUSB_ATH3012
},
211 { USB_DEVICE(0x04ca, 0x3014), .driver_info
= BTUSB_ATH3012
},
212 { USB_DEVICE(0x0930, 0x0219), .driver_info
= BTUSB_ATH3012
},
213 { USB_DEVICE(0x0930, 0x021c), .driver_info
= BTUSB_ATH3012
},
214 { USB_DEVICE(0x0930, 0x0220), .driver_info
= BTUSB_ATH3012
},
215 { USB_DEVICE(0x0930, 0x0227), .driver_info
= BTUSB_ATH3012
},
216 { USB_DEVICE(0x0b05, 0x17d0), .driver_info
= BTUSB_ATH3012
},
217 { USB_DEVICE(0x0cf3, 0x0036), .driver_info
= BTUSB_ATH3012
},
218 { USB_DEVICE(0x0cf3, 0x3004), .driver_info
= BTUSB_ATH3012
},
219 { USB_DEVICE(0x0cf3, 0x3008), .driver_info
= BTUSB_ATH3012
},
220 { USB_DEVICE(0x0cf3, 0x311d), .driver_info
= BTUSB_ATH3012
},
221 { USB_DEVICE(0x0cf3, 0x311e), .driver_info
= BTUSB_ATH3012
},
222 { USB_DEVICE(0x0cf3, 0x311f), .driver_info
= BTUSB_ATH3012
},
223 { USB_DEVICE(0x0cf3, 0x3121), .driver_info
= BTUSB_ATH3012
},
224 { USB_DEVICE(0x0cf3, 0x817a), .driver_info
= BTUSB_ATH3012
},
225 { USB_DEVICE(0x0cf3, 0x817b), .driver_info
= BTUSB_ATH3012
},
226 { USB_DEVICE(0x0cf3, 0xe003), .driver_info
= BTUSB_ATH3012
},
227 { USB_DEVICE(0x0cf3, 0xe004), .driver_info
= BTUSB_ATH3012
},
228 { USB_DEVICE(0x0cf3, 0xe005), .driver_info
= BTUSB_ATH3012
},
229 { USB_DEVICE(0x0cf3, 0xe006), .driver_info
= BTUSB_ATH3012
},
230 { USB_DEVICE(0x13d3, 0x3362), .driver_info
= BTUSB_ATH3012
},
231 { USB_DEVICE(0x13d3, 0x3375), .driver_info
= BTUSB_ATH3012
},
232 { USB_DEVICE(0x13d3, 0x3393), .driver_info
= BTUSB_ATH3012
},
233 { USB_DEVICE(0x13d3, 0x3395), .driver_info
= BTUSB_ATH3012
},
234 { USB_DEVICE(0x13d3, 0x3402), .driver_info
= BTUSB_ATH3012
},
235 { USB_DEVICE(0x13d3, 0x3408), .driver_info
= BTUSB_ATH3012
},
236 { USB_DEVICE(0x13d3, 0x3423), .driver_info
= BTUSB_ATH3012
},
237 { USB_DEVICE(0x13d3, 0x3432), .driver_info
= BTUSB_ATH3012
},
238 { USB_DEVICE(0x13d3, 0x3472), .driver_info
= BTUSB_ATH3012
},
239 { USB_DEVICE(0x13d3, 0x3474), .driver_info
= BTUSB_ATH3012
},
240 { USB_DEVICE(0x13d3, 0x3487), .driver_info
= BTUSB_ATH3012
},
241 { USB_DEVICE(0x13d3, 0x3490), .driver_info
= BTUSB_ATH3012
},
243 /* Atheros AR5BBU12 with sflash firmware */
244 { USB_DEVICE(0x0489, 0xe02c), .driver_info
= BTUSB_IGNORE
},
246 /* Atheros AR5BBU12 with sflash firmware */
247 { USB_DEVICE(0x0489, 0xe036), .driver_info
= BTUSB_ATH3012
},
248 { USB_DEVICE(0x0489, 0xe03c), .driver_info
= BTUSB_ATH3012
},
250 /* QCA ROME chipset */
251 { USB_DEVICE(0x0cf3, 0xe007), .driver_info
= BTUSB_QCA_ROME
},
252 { USB_DEVICE(0x0cf3, 0xe009), .driver_info
= BTUSB_QCA_ROME
},
253 { USB_DEVICE(0x0cf3, 0xe300), .driver_info
= BTUSB_QCA_ROME
},
254 { USB_DEVICE(0x0cf3, 0xe360), .driver_info
= BTUSB_QCA_ROME
},
255 { USB_DEVICE(0x0489, 0xe092), .driver_info
= BTUSB_QCA_ROME
},
257 /* Broadcom BCM2035 */
258 { USB_DEVICE(0x0a5c, 0x2009), .driver_info
= BTUSB_BCM92035
},
259 { USB_DEVICE(0x0a5c, 0x200a), .driver_info
= BTUSB_WRONG_SCO_MTU
},
260 { USB_DEVICE(0x0a5c, 0x2035), .driver_info
= BTUSB_WRONG_SCO_MTU
},
262 /* Broadcom BCM2045 */
263 { USB_DEVICE(0x0a5c, 0x2039), .driver_info
= BTUSB_WRONG_SCO_MTU
},
264 { USB_DEVICE(0x0a5c, 0x2101), .driver_info
= BTUSB_WRONG_SCO_MTU
},
266 /* IBM/Lenovo ThinkPad with Broadcom chip */
267 { USB_DEVICE(0x0a5c, 0x201e), .driver_info
= BTUSB_WRONG_SCO_MTU
},
268 { USB_DEVICE(0x0a5c, 0x2110), .driver_info
= BTUSB_WRONG_SCO_MTU
},
270 /* HP laptop with Broadcom chip */
271 { USB_DEVICE(0x03f0, 0x171d), .driver_info
= BTUSB_WRONG_SCO_MTU
},
273 /* Dell laptop with Broadcom chip */
274 { USB_DEVICE(0x413c, 0x8126), .driver_info
= BTUSB_WRONG_SCO_MTU
},
276 /* Dell Wireless 370 and 410 devices */
277 { USB_DEVICE(0x413c, 0x8152), .driver_info
= BTUSB_WRONG_SCO_MTU
},
278 { USB_DEVICE(0x413c, 0x8156), .driver_info
= BTUSB_WRONG_SCO_MTU
},
280 /* Belkin F8T012 and F8T013 devices */
281 { USB_DEVICE(0x050d, 0x0012), .driver_info
= BTUSB_WRONG_SCO_MTU
},
282 { USB_DEVICE(0x050d, 0x0013), .driver_info
= BTUSB_WRONG_SCO_MTU
},
284 /* Asus WL-BTD202 device */
285 { USB_DEVICE(0x0b05, 0x1715), .driver_info
= BTUSB_WRONG_SCO_MTU
},
287 /* Kensington Bluetooth USB adapter */
288 { USB_DEVICE(0x047d, 0x105e), .driver_info
= BTUSB_WRONG_SCO_MTU
},
290 /* RTX Telecom based adapters with buggy SCO support */
291 { USB_DEVICE(0x0400, 0x0807), .driver_info
= BTUSB_BROKEN_ISOC
},
292 { USB_DEVICE(0x0400, 0x080a), .driver_info
= BTUSB_BROKEN_ISOC
},
294 /* CONWISE Technology based adapters with buggy SCO support */
295 { USB_DEVICE(0x0e5e, 0x6622),
296 .driver_info
= BTUSB_BROKEN_ISOC
| BTUSB_CW6622
},
298 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
299 { USB_DEVICE(0x1310, 0x0001), .driver_info
= BTUSB_SWAVE
},
301 /* Digianswer devices */
302 { USB_DEVICE(0x08fd, 0x0001), .driver_info
= BTUSB_DIGIANSWER
},
303 { USB_DEVICE(0x08fd, 0x0002), .driver_info
= BTUSB_IGNORE
},
305 /* CSR BlueCore Bluetooth Sniffer */
306 { USB_DEVICE(0x0a12, 0x0002),
307 .driver_info
= BTUSB_SNIFFER
| BTUSB_BROKEN_ISOC
},
309 /* Frontline ComProbe Bluetooth Sniffer */
310 { USB_DEVICE(0x16d3, 0x0002),
311 .driver_info
= BTUSB_SNIFFER
| BTUSB_BROKEN_ISOC
},
313 /* Marvell Bluetooth devices */
314 { USB_DEVICE(0x1286, 0x2044), .driver_info
= BTUSB_MARVELL
},
315 { USB_DEVICE(0x1286, 0x2046), .driver_info
= BTUSB_MARVELL
},
317 /* Intel Bluetooth devices */
318 { USB_DEVICE(0x8087, 0x07da), .driver_info
= BTUSB_CSR
},
319 { USB_DEVICE(0x8087, 0x07dc), .driver_info
= BTUSB_INTEL
},
320 { USB_DEVICE(0x8087, 0x0a2a), .driver_info
= BTUSB_INTEL
},
321 { USB_DEVICE(0x8087, 0x0a2b), .driver_info
= BTUSB_INTEL_NEW
},
322 { USB_DEVICE(0x8087, 0x0aa7), .driver_info
= BTUSB_INTEL
},
324 /* Other Intel Bluetooth devices */
325 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
326 .driver_info
= BTUSB_IGNORE
},
328 /* Realtek Bluetooth devices */
329 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
330 .driver_info
= BTUSB_REALTEK
},
332 /* Additional Realtek 8723AE Bluetooth devices */
333 { USB_DEVICE(0x0930, 0x021d), .driver_info
= BTUSB_REALTEK
},
334 { USB_DEVICE(0x13d3, 0x3394), .driver_info
= BTUSB_REALTEK
},
336 /* Additional Realtek 8723BE Bluetooth devices */
337 { USB_DEVICE(0x0489, 0xe085), .driver_info
= BTUSB_REALTEK
},
338 { USB_DEVICE(0x0489, 0xe08b), .driver_info
= BTUSB_REALTEK
},
339 { USB_DEVICE(0x13d3, 0x3410), .driver_info
= BTUSB_REALTEK
},
340 { USB_DEVICE(0x13d3, 0x3416), .driver_info
= BTUSB_REALTEK
},
341 { USB_DEVICE(0x13d3, 0x3459), .driver_info
= BTUSB_REALTEK
},
343 /* Additional Realtek 8821AE Bluetooth devices */
344 { USB_DEVICE(0x0b05, 0x17dc), .driver_info
= BTUSB_REALTEK
},
345 { USB_DEVICE(0x13d3, 0x3414), .driver_info
= BTUSB_REALTEK
},
346 { USB_DEVICE(0x13d3, 0x3458), .driver_info
= BTUSB_REALTEK
},
347 { USB_DEVICE(0x13d3, 0x3461), .driver_info
= BTUSB_REALTEK
},
348 { USB_DEVICE(0x13d3, 0x3462), .driver_info
= BTUSB_REALTEK
},
350 /* Silicon Wave based devices */
351 { USB_DEVICE(0x0c10, 0x0000), .driver_info
= BTUSB_SWAVE
},
353 { } /* Terminating entry */
356 #define BTUSB_MAX_ISOC_FRAMES 10
358 #define BTUSB_INTR_RUNNING 0
359 #define BTUSB_BULK_RUNNING 1
360 #define BTUSB_ISOC_RUNNING 2
361 #define BTUSB_SUSPENDING 3
362 #define BTUSB_DID_ISO_RESUME 4
363 #define BTUSB_BOOTLOADER 5
364 #define BTUSB_DOWNLOADING 6
365 #define BTUSB_FIRMWARE_LOADED 7
366 #define BTUSB_FIRMWARE_FAILED 8
367 #define BTUSB_BOOTING 9
368 #define BTUSB_RESET_RESUME 10
369 #define BTUSB_DIAG_RUNNING 11
372 struct hci_dev
*hdev
;
373 struct usb_device
*udev
;
374 struct usb_interface
*intf
;
375 struct usb_interface
*isoc
;
376 struct usb_interface
*diag
;
380 struct work_struct work
;
381 struct work_struct waker
;
383 struct usb_anchor deferred
;
384 struct usb_anchor tx_anchor
;
388 struct usb_anchor intr_anchor
;
389 struct usb_anchor bulk_anchor
;
390 struct usb_anchor isoc_anchor
;
391 struct usb_anchor diag_anchor
;
394 struct sk_buff
*evt_skb
;
395 struct sk_buff
*acl_skb
;
396 struct sk_buff
*sco_skb
;
398 struct usb_endpoint_descriptor
*intr_ep
;
399 struct usb_endpoint_descriptor
*bulk_tx_ep
;
400 struct usb_endpoint_descriptor
*bulk_rx_ep
;
401 struct usb_endpoint_descriptor
*isoc_tx_ep
;
402 struct usb_endpoint_descriptor
*isoc_rx_ep
;
403 struct usb_endpoint_descriptor
*diag_tx_ep
;
404 struct usb_endpoint_descriptor
*diag_rx_ep
;
409 unsigned int sco_num
;
413 int (*recv_event
)(struct hci_dev
*hdev
, struct sk_buff
*skb
);
414 int (*recv_bulk
)(struct btusb_data
*data
, void *buffer
, int count
);
416 int (*setup_on_usb
)(struct hci_dev
*hdev
);
419 static inline void btusb_free_frags(struct btusb_data
*data
)
423 spin_lock_irqsave(&data
->rxlock
, flags
);
425 kfree_skb(data
->evt_skb
);
426 data
->evt_skb
= NULL
;
428 kfree_skb(data
->acl_skb
);
429 data
->acl_skb
= NULL
;
431 kfree_skb(data
->sco_skb
);
432 data
->sco_skb
= NULL
;
434 spin_unlock_irqrestore(&data
->rxlock
, flags
);
437 static int btusb_recv_intr(struct btusb_data
*data
, void *buffer
, int count
)
442 spin_lock(&data
->rxlock
);
449 skb
= bt_skb_alloc(HCI_MAX_EVENT_SIZE
, GFP_ATOMIC
);
455 hci_skb_pkt_type(skb
) = HCI_EVENT_PKT
;
456 hci_skb_expect(skb
) = HCI_EVENT_HDR_SIZE
;
459 len
= min_t(uint
, hci_skb_expect(skb
), count
);
460 memcpy(skb_put(skb
, len
), buffer
, len
);
464 hci_skb_expect(skb
) -= len
;
466 if (skb
->len
== HCI_EVENT_HDR_SIZE
) {
467 /* Complete event header */
468 hci_skb_expect(skb
) = hci_event_hdr(skb
)->plen
;
470 if (skb_tailroom(skb
) < hci_skb_expect(skb
)) {
479 if (!hci_skb_expect(skb
)) {
481 data
->recv_event(data
->hdev
, skb
);
487 spin_unlock(&data
->rxlock
);
492 static int btusb_recv_bulk(struct btusb_data
*data
, void *buffer
, int count
)
497 spin_lock(&data
->rxlock
);
504 skb
= bt_skb_alloc(HCI_MAX_FRAME_SIZE
, GFP_ATOMIC
);
510 hci_skb_pkt_type(skb
) = HCI_ACLDATA_PKT
;
511 hci_skb_expect(skb
) = HCI_ACL_HDR_SIZE
;
514 len
= min_t(uint
, hci_skb_expect(skb
), count
);
515 memcpy(skb_put(skb
, len
), buffer
, len
);
519 hci_skb_expect(skb
) -= len
;
521 if (skb
->len
== HCI_ACL_HDR_SIZE
) {
522 __le16 dlen
= hci_acl_hdr(skb
)->dlen
;
524 /* Complete ACL header */
525 hci_skb_expect(skb
) = __le16_to_cpu(dlen
);
527 if (skb_tailroom(skb
) < hci_skb_expect(skb
)) {
536 if (!hci_skb_expect(skb
)) {
538 hci_recv_frame(data
->hdev
, skb
);
544 spin_unlock(&data
->rxlock
);
549 static int btusb_recv_isoc(struct btusb_data
*data
, void *buffer
, int count
)
554 spin_lock(&data
->rxlock
);
561 skb
= bt_skb_alloc(HCI_MAX_SCO_SIZE
, GFP_ATOMIC
);
567 hci_skb_pkt_type(skb
) = HCI_SCODATA_PKT
;
568 hci_skb_expect(skb
) = HCI_SCO_HDR_SIZE
;
571 len
= min_t(uint
, hci_skb_expect(skb
), count
);
572 memcpy(skb_put(skb
, len
), buffer
, len
);
576 hci_skb_expect(skb
) -= len
;
578 if (skb
->len
== HCI_SCO_HDR_SIZE
) {
579 /* Complete SCO header */
580 hci_skb_expect(skb
) = hci_sco_hdr(skb
)->dlen
;
582 if (skb_tailroom(skb
) < hci_skb_expect(skb
)) {
591 if (!hci_skb_expect(skb
)) {
593 hci_recv_frame(data
->hdev
, skb
);
599 spin_unlock(&data
->rxlock
);
604 static void btusb_intr_complete(struct urb
*urb
)
606 struct hci_dev
*hdev
= urb
->context
;
607 struct btusb_data
*data
= hci_get_drvdata(hdev
);
610 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
613 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
616 if (urb
->status
== 0) {
617 hdev
->stat
.byte_rx
+= urb
->actual_length
;
619 if (btusb_recv_intr(data
, urb
->transfer_buffer
,
620 urb
->actual_length
) < 0) {
621 BT_ERR("%s corrupted event packet", hdev
->name
);
624 } else if (urb
->status
== -ENOENT
) {
625 /* Avoid suspend failed when usb_kill_urb */
629 if (!test_bit(BTUSB_INTR_RUNNING
, &data
->flags
))
632 usb_mark_last_busy(data
->udev
);
633 usb_anchor_urb(urb
, &data
->intr_anchor
);
635 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
637 /* -EPERM: urb is being killed;
638 * -ENODEV: device got disconnected */
639 if (err
!= -EPERM
&& err
!= -ENODEV
)
640 BT_ERR("%s urb %p failed to resubmit (%d)",
641 hdev
->name
, urb
, -err
);
642 usb_unanchor_urb(urb
);
646 static int btusb_submit_intr_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
648 struct btusb_data
*data
= hci_get_drvdata(hdev
);
654 BT_DBG("%s", hdev
->name
);
659 urb
= usb_alloc_urb(0, mem_flags
);
663 size
= le16_to_cpu(data
->intr_ep
->wMaxPacketSize
);
665 buf
= kmalloc(size
, mem_flags
);
671 pipe
= usb_rcvintpipe(data
->udev
, data
->intr_ep
->bEndpointAddress
);
673 usb_fill_int_urb(urb
, data
->udev
, pipe
, buf
, size
,
674 btusb_intr_complete
, hdev
, data
->intr_ep
->bInterval
);
676 urb
->transfer_flags
|= URB_FREE_BUFFER
;
678 usb_anchor_urb(urb
, &data
->intr_anchor
);
680 err
= usb_submit_urb(urb
, mem_flags
);
682 if (err
!= -EPERM
&& err
!= -ENODEV
)
683 BT_ERR("%s urb %p submission failed (%d)",
684 hdev
->name
, urb
, -err
);
685 usb_unanchor_urb(urb
);
693 static void btusb_bulk_complete(struct urb
*urb
)
695 struct hci_dev
*hdev
= urb
->context
;
696 struct btusb_data
*data
= hci_get_drvdata(hdev
);
699 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
702 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
705 if (urb
->status
== 0) {
706 hdev
->stat
.byte_rx
+= urb
->actual_length
;
708 if (data
->recv_bulk(data
, urb
->transfer_buffer
,
709 urb
->actual_length
) < 0) {
710 BT_ERR("%s corrupted ACL packet", hdev
->name
);
713 } else if (urb
->status
== -ENOENT
) {
714 /* Avoid suspend failed when usb_kill_urb */
718 if (!test_bit(BTUSB_BULK_RUNNING
, &data
->flags
))
721 usb_anchor_urb(urb
, &data
->bulk_anchor
);
722 usb_mark_last_busy(data
->udev
);
724 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
726 /* -EPERM: urb is being killed;
727 * -ENODEV: device got disconnected */
728 if (err
!= -EPERM
&& err
!= -ENODEV
)
729 BT_ERR("%s urb %p failed to resubmit (%d)",
730 hdev
->name
, urb
, -err
);
731 usb_unanchor_urb(urb
);
735 static int btusb_submit_bulk_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
737 struct btusb_data
*data
= hci_get_drvdata(hdev
);
741 int err
, size
= HCI_MAX_FRAME_SIZE
;
743 BT_DBG("%s", hdev
->name
);
745 if (!data
->bulk_rx_ep
)
748 urb
= usb_alloc_urb(0, mem_flags
);
752 buf
= kmalloc(size
, mem_flags
);
758 pipe
= usb_rcvbulkpipe(data
->udev
, data
->bulk_rx_ep
->bEndpointAddress
);
760 usb_fill_bulk_urb(urb
, data
->udev
, pipe
, buf
, size
,
761 btusb_bulk_complete
, hdev
);
763 urb
->transfer_flags
|= URB_FREE_BUFFER
;
765 usb_mark_last_busy(data
->udev
);
766 usb_anchor_urb(urb
, &data
->bulk_anchor
);
768 err
= usb_submit_urb(urb
, mem_flags
);
770 if (err
!= -EPERM
&& err
!= -ENODEV
)
771 BT_ERR("%s urb %p submission failed (%d)",
772 hdev
->name
, urb
, -err
);
773 usb_unanchor_urb(urb
);
781 static void btusb_isoc_complete(struct urb
*urb
)
783 struct hci_dev
*hdev
= urb
->context
;
784 struct btusb_data
*data
= hci_get_drvdata(hdev
);
787 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
790 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
793 if (urb
->status
== 0) {
794 for (i
= 0; i
< urb
->number_of_packets
; i
++) {
795 unsigned int offset
= urb
->iso_frame_desc
[i
].offset
;
796 unsigned int length
= urb
->iso_frame_desc
[i
].actual_length
;
798 if (urb
->iso_frame_desc
[i
].status
)
801 hdev
->stat
.byte_rx
+= length
;
803 if (btusb_recv_isoc(data
, urb
->transfer_buffer
+ offset
,
805 BT_ERR("%s corrupted SCO packet", hdev
->name
);
809 } else if (urb
->status
== -ENOENT
) {
810 /* Avoid suspend failed when usb_kill_urb */
814 if (!test_bit(BTUSB_ISOC_RUNNING
, &data
->flags
))
817 usb_anchor_urb(urb
, &data
->isoc_anchor
);
819 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
821 /* -EPERM: urb is being killed;
822 * -ENODEV: device got disconnected */
823 if (err
!= -EPERM
&& err
!= -ENODEV
)
824 BT_ERR("%s urb %p failed to resubmit (%d)",
825 hdev
->name
, urb
, -err
);
826 usb_unanchor_urb(urb
);
830 static inline void __fill_isoc_descriptor(struct urb
*urb
, int len
, int mtu
)
834 BT_DBG("len %d mtu %d", len
, mtu
);
836 for (i
= 0; i
< BTUSB_MAX_ISOC_FRAMES
&& len
>= mtu
;
837 i
++, offset
+= mtu
, len
-= mtu
) {
838 urb
->iso_frame_desc
[i
].offset
= offset
;
839 urb
->iso_frame_desc
[i
].length
= mtu
;
842 if (len
&& i
< BTUSB_MAX_ISOC_FRAMES
) {
843 urb
->iso_frame_desc
[i
].offset
= offset
;
844 urb
->iso_frame_desc
[i
].length
= len
;
848 urb
->number_of_packets
= i
;
851 static int btusb_submit_isoc_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
853 struct btusb_data
*data
= hci_get_drvdata(hdev
);
859 BT_DBG("%s", hdev
->name
);
861 if (!data
->isoc_rx_ep
)
864 urb
= usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES
, mem_flags
);
868 size
= le16_to_cpu(data
->isoc_rx_ep
->wMaxPacketSize
) *
869 BTUSB_MAX_ISOC_FRAMES
;
871 buf
= kmalloc(size
, mem_flags
);
877 pipe
= usb_rcvisocpipe(data
->udev
, data
->isoc_rx_ep
->bEndpointAddress
);
879 usb_fill_int_urb(urb
, data
->udev
, pipe
, buf
, size
, btusb_isoc_complete
,
880 hdev
, data
->isoc_rx_ep
->bInterval
);
882 urb
->transfer_flags
= URB_FREE_BUFFER
| URB_ISO_ASAP
;
884 __fill_isoc_descriptor(urb
, size
,
885 le16_to_cpu(data
->isoc_rx_ep
->wMaxPacketSize
));
887 usb_anchor_urb(urb
, &data
->isoc_anchor
);
889 err
= usb_submit_urb(urb
, mem_flags
);
891 if (err
!= -EPERM
&& err
!= -ENODEV
)
892 BT_ERR("%s urb %p submission failed (%d)",
893 hdev
->name
, urb
, -err
);
894 usb_unanchor_urb(urb
);
902 static void btusb_diag_complete(struct urb
*urb
)
904 struct hci_dev
*hdev
= urb
->context
;
905 struct btusb_data
*data
= hci_get_drvdata(hdev
);
908 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
911 if (urb
->status
== 0) {
914 skb
= bt_skb_alloc(urb
->actual_length
, GFP_ATOMIC
);
916 memcpy(skb_put(skb
, urb
->actual_length
),
917 urb
->transfer_buffer
, urb
->actual_length
);
918 hci_recv_diag(hdev
, skb
);
920 } else if (urb
->status
== -ENOENT
) {
921 /* Avoid suspend failed when usb_kill_urb */
925 if (!test_bit(BTUSB_DIAG_RUNNING
, &data
->flags
))
928 usb_anchor_urb(urb
, &data
->diag_anchor
);
929 usb_mark_last_busy(data
->udev
);
931 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
933 /* -EPERM: urb is being killed;
934 * -ENODEV: device got disconnected */
935 if (err
!= -EPERM
&& err
!= -ENODEV
)
936 BT_ERR("%s urb %p failed to resubmit (%d)",
937 hdev
->name
, urb
, -err
);
938 usb_unanchor_urb(urb
);
942 static int btusb_submit_diag_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
944 struct btusb_data
*data
= hci_get_drvdata(hdev
);
948 int err
, size
= HCI_MAX_FRAME_SIZE
;
950 BT_DBG("%s", hdev
->name
);
952 if (!data
->diag_rx_ep
)
955 urb
= usb_alloc_urb(0, mem_flags
);
959 buf
= kmalloc(size
, mem_flags
);
965 pipe
= usb_rcvbulkpipe(data
->udev
, data
->diag_rx_ep
->bEndpointAddress
);
967 usb_fill_bulk_urb(urb
, data
->udev
, pipe
, buf
, size
,
968 btusb_diag_complete
, hdev
);
970 urb
->transfer_flags
|= URB_FREE_BUFFER
;
972 usb_mark_last_busy(data
->udev
);
973 usb_anchor_urb(urb
, &data
->diag_anchor
);
975 err
= usb_submit_urb(urb
, mem_flags
);
977 if (err
!= -EPERM
&& err
!= -ENODEV
)
978 BT_ERR("%s urb %p submission failed (%d)",
979 hdev
->name
, urb
, -err
);
980 usb_unanchor_urb(urb
);
988 static void btusb_tx_complete(struct urb
*urb
)
990 struct sk_buff
*skb
= urb
->context
;
991 struct hci_dev
*hdev
= (struct hci_dev
*)skb
->dev
;
992 struct btusb_data
*data
= hci_get_drvdata(hdev
);
994 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
997 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
1001 hdev
->stat
.byte_tx
+= urb
->transfer_buffer_length
;
1003 hdev
->stat
.err_tx
++;
1006 spin_lock(&data
->txlock
);
1007 data
->tx_in_flight
--;
1008 spin_unlock(&data
->txlock
);
1010 kfree(urb
->setup_packet
);
1015 static void btusb_isoc_tx_complete(struct urb
*urb
)
1017 struct sk_buff
*skb
= urb
->context
;
1018 struct hci_dev
*hdev
= (struct hci_dev
*)skb
->dev
;
1020 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
1021 urb
->actual_length
);
1023 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
1027 hdev
->stat
.byte_tx
+= urb
->transfer_buffer_length
;
1029 hdev
->stat
.err_tx
++;
1032 kfree(urb
->setup_packet
);
1037 static int btusb_open(struct hci_dev
*hdev
)
1039 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1042 BT_DBG("%s", hdev
->name
);
1044 /* Patching USB firmware files prior to starting any URBs of HCI path
1045 * It is more safe to use USB bulk channel for downloading USB patch
1047 if (data
->setup_on_usb
) {
1048 err
= data
->setup_on_usb(hdev
);
1053 err
= usb_autopm_get_interface(data
->intf
);
1057 data
->intf
->needs_remote_wakeup
= 1;
1059 if (test_and_set_bit(BTUSB_INTR_RUNNING
, &data
->flags
))
1062 err
= btusb_submit_intr_urb(hdev
, GFP_KERNEL
);
1066 err
= btusb_submit_bulk_urb(hdev
, GFP_KERNEL
);
1068 usb_kill_anchored_urbs(&data
->intr_anchor
);
1072 set_bit(BTUSB_BULK_RUNNING
, &data
->flags
);
1073 btusb_submit_bulk_urb(hdev
, GFP_KERNEL
);
1076 if (!btusb_submit_diag_urb(hdev
, GFP_KERNEL
))
1077 set_bit(BTUSB_DIAG_RUNNING
, &data
->flags
);
1081 usb_autopm_put_interface(data
->intf
);
1085 clear_bit(BTUSB_INTR_RUNNING
, &data
->flags
);
1086 usb_autopm_put_interface(data
->intf
);
1090 static void btusb_stop_traffic(struct btusb_data
*data
)
1092 usb_kill_anchored_urbs(&data
->intr_anchor
);
1093 usb_kill_anchored_urbs(&data
->bulk_anchor
);
1094 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1095 usb_kill_anchored_urbs(&data
->diag_anchor
);
1098 static int btusb_close(struct hci_dev
*hdev
)
1100 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1103 BT_DBG("%s", hdev
->name
);
1105 cancel_work_sync(&data
->work
);
1106 cancel_work_sync(&data
->waker
);
1108 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1109 clear_bit(BTUSB_BULK_RUNNING
, &data
->flags
);
1110 clear_bit(BTUSB_INTR_RUNNING
, &data
->flags
);
1111 clear_bit(BTUSB_DIAG_RUNNING
, &data
->flags
);
1113 btusb_stop_traffic(data
);
1114 btusb_free_frags(data
);
1116 err
= usb_autopm_get_interface(data
->intf
);
1120 data
->intf
->needs_remote_wakeup
= 0;
1121 usb_autopm_put_interface(data
->intf
);
1124 usb_scuttle_anchored_urbs(&data
->deferred
);
1128 static int btusb_flush(struct hci_dev
*hdev
)
1130 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1132 BT_DBG("%s", hdev
->name
);
1134 usb_kill_anchored_urbs(&data
->tx_anchor
);
1135 btusb_free_frags(data
);
1140 static struct urb
*alloc_ctrl_urb(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1142 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1143 struct usb_ctrlrequest
*dr
;
1147 urb
= usb_alloc_urb(0, GFP_KERNEL
);
1149 return ERR_PTR(-ENOMEM
);
1151 dr
= kmalloc(sizeof(*dr
), GFP_KERNEL
);
1154 return ERR_PTR(-ENOMEM
);
1157 dr
->bRequestType
= data
->cmdreq_type
;
1158 dr
->bRequest
= data
->cmdreq
;
1161 dr
->wLength
= __cpu_to_le16(skb
->len
);
1163 pipe
= usb_sndctrlpipe(data
->udev
, 0x00);
1165 usb_fill_control_urb(urb
, data
->udev
, pipe
, (void *)dr
,
1166 skb
->data
, skb
->len
, btusb_tx_complete
, skb
);
1168 skb
->dev
= (void *)hdev
;
1173 static struct urb
*alloc_bulk_urb(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1175 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1179 if (!data
->bulk_tx_ep
)
1180 return ERR_PTR(-ENODEV
);
1182 urb
= usb_alloc_urb(0, GFP_KERNEL
);
1184 return ERR_PTR(-ENOMEM
);
1186 pipe
= usb_sndbulkpipe(data
->udev
, data
->bulk_tx_ep
->bEndpointAddress
);
1188 usb_fill_bulk_urb(urb
, data
->udev
, pipe
,
1189 skb
->data
, skb
->len
, btusb_tx_complete
, skb
);
1191 skb
->dev
= (void *)hdev
;
1196 static struct urb
*alloc_isoc_urb(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1198 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1202 if (!data
->isoc_tx_ep
)
1203 return ERR_PTR(-ENODEV
);
1205 urb
= usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES
, GFP_KERNEL
);
1207 return ERR_PTR(-ENOMEM
);
1209 pipe
= usb_sndisocpipe(data
->udev
, data
->isoc_tx_ep
->bEndpointAddress
);
1211 usb_fill_int_urb(urb
, data
->udev
, pipe
,
1212 skb
->data
, skb
->len
, btusb_isoc_tx_complete
,
1213 skb
, data
->isoc_tx_ep
->bInterval
);
1215 urb
->transfer_flags
= URB_ISO_ASAP
;
1217 __fill_isoc_descriptor(urb
, skb
->len
,
1218 le16_to_cpu(data
->isoc_tx_ep
->wMaxPacketSize
));
1220 skb
->dev
= (void *)hdev
;
1225 static int submit_tx_urb(struct hci_dev
*hdev
, struct urb
*urb
)
1227 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1230 usb_anchor_urb(urb
, &data
->tx_anchor
);
1232 err
= usb_submit_urb(urb
, GFP_KERNEL
);
1234 if (err
!= -EPERM
&& err
!= -ENODEV
)
1235 BT_ERR("%s urb %p submission failed (%d)",
1236 hdev
->name
, urb
, -err
);
1237 kfree(urb
->setup_packet
);
1238 usb_unanchor_urb(urb
);
1240 usb_mark_last_busy(data
->udev
);
1247 static int submit_or_queue_tx_urb(struct hci_dev
*hdev
, struct urb
*urb
)
1249 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1250 unsigned long flags
;
1253 spin_lock_irqsave(&data
->txlock
, flags
);
1254 suspending
= test_bit(BTUSB_SUSPENDING
, &data
->flags
);
1256 data
->tx_in_flight
++;
1257 spin_unlock_irqrestore(&data
->txlock
, flags
);
1260 return submit_tx_urb(hdev
, urb
);
1262 usb_anchor_urb(urb
, &data
->deferred
);
1263 schedule_work(&data
->waker
);
1269 static int btusb_send_frame(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1273 BT_DBG("%s", hdev
->name
);
1275 switch (hci_skb_pkt_type(skb
)) {
1276 case HCI_COMMAND_PKT
:
1277 urb
= alloc_ctrl_urb(hdev
, skb
);
1279 return PTR_ERR(urb
);
1281 hdev
->stat
.cmd_tx
++;
1282 return submit_or_queue_tx_urb(hdev
, urb
);
1284 case HCI_ACLDATA_PKT
:
1285 urb
= alloc_bulk_urb(hdev
, skb
);
1287 return PTR_ERR(urb
);
1289 hdev
->stat
.acl_tx
++;
1290 return submit_or_queue_tx_urb(hdev
, urb
);
1292 case HCI_SCODATA_PKT
:
1293 if (hci_conn_num(hdev
, SCO_LINK
) < 1)
1296 urb
= alloc_isoc_urb(hdev
, skb
);
1298 return PTR_ERR(urb
);
1300 hdev
->stat
.sco_tx
++;
1301 return submit_tx_urb(hdev
, urb
);
1307 static void btusb_notify(struct hci_dev
*hdev
, unsigned int evt
)
1309 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1311 BT_DBG("%s evt %d", hdev
->name
, evt
);
1313 if (hci_conn_num(hdev
, SCO_LINK
) != data
->sco_num
) {
1314 data
->sco_num
= hci_conn_num(hdev
, SCO_LINK
);
1315 schedule_work(&data
->work
);
1319 static inline int __set_isoc_interface(struct hci_dev
*hdev
, int altsetting
)
1321 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1322 struct usb_interface
*intf
= data
->isoc
;
1323 struct usb_endpoint_descriptor
*ep_desc
;
1329 err
= usb_set_interface(data
->udev
, 1, altsetting
);
1331 BT_ERR("%s setting interface failed (%d)", hdev
->name
, -err
);
1335 data
->isoc_altsetting
= altsetting
;
1337 data
->isoc_tx_ep
= NULL
;
1338 data
->isoc_rx_ep
= NULL
;
1340 for (i
= 0; i
< intf
->cur_altsetting
->desc
.bNumEndpoints
; i
++) {
1341 ep_desc
= &intf
->cur_altsetting
->endpoint
[i
].desc
;
1343 if (!data
->isoc_tx_ep
&& usb_endpoint_is_isoc_out(ep_desc
)) {
1344 data
->isoc_tx_ep
= ep_desc
;
1348 if (!data
->isoc_rx_ep
&& usb_endpoint_is_isoc_in(ep_desc
)) {
1349 data
->isoc_rx_ep
= ep_desc
;
1354 if (!data
->isoc_tx_ep
|| !data
->isoc_rx_ep
) {
1355 BT_ERR("%s invalid SCO descriptors", hdev
->name
);
1362 static void btusb_work(struct work_struct
*work
)
1364 struct btusb_data
*data
= container_of(work
, struct btusb_data
, work
);
1365 struct hci_dev
*hdev
= data
->hdev
;
1369 if (data
->sco_num
> 0) {
1370 if (!test_bit(BTUSB_DID_ISO_RESUME
, &data
->flags
)) {
1371 err
= usb_autopm_get_interface(data
->isoc
? data
->isoc
: data
->intf
);
1373 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1374 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1378 set_bit(BTUSB_DID_ISO_RESUME
, &data
->flags
);
1381 if (hdev
->voice_setting
& 0x0020) {
1382 static const int alts
[3] = { 2, 4, 5 };
1384 new_alts
= alts
[data
->sco_num
- 1];
1386 new_alts
= data
->sco_num
;
1389 if (data
->isoc_altsetting
!= new_alts
) {
1390 unsigned long flags
;
1392 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1393 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1395 /* When isochronous alternate setting needs to be
1396 * changed, because SCO connection has been added
1397 * or removed, a packet fragment may be left in the
1398 * reassembling state. This could lead to wrongly
1399 * assembled fragments.
1401 * Clear outstanding fragment when selecting a new
1402 * alternate setting.
1404 spin_lock_irqsave(&data
->rxlock
, flags
);
1405 kfree_skb(data
->sco_skb
);
1406 data
->sco_skb
= NULL
;
1407 spin_unlock_irqrestore(&data
->rxlock
, flags
);
1409 if (__set_isoc_interface(hdev
, new_alts
) < 0)
1413 if (!test_and_set_bit(BTUSB_ISOC_RUNNING
, &data
->flags
)) {
1414 if (btusb_submit_isoc_urb(hdev
, GFP_KERNEL
) < 0)
1415 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1417 btusb_submit_isoc_urb(hdev
, GFP_KERNEL
);
1420 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1421 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1423 __set_isoc_interface(hdev
, 0);
1424 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME
, &data
->flags
))
1425 usb_autopm_put_interface(data
->isoc
? data
->isoc
: data
->intf
);
1429 static void btusb_waker(struct work_struct
*work
)
1431 struct btusb_data
*data
= container_of(work
, struct btusb_data
, waker
);
1434 err
= usb_autopm_get_interface(data
->intf
);
1438 usb_autopm_put_interface(data
->intf
);
1441 static int btusb_setup_bcm92035(struct hci_dev
*hdev
)
1443 struct sk_buff
*skb
;
1446 BT_DBG("%s", hdev
->name
);
1448 skb
= __hci_cmd_sync(hdev
, 0xfc3b, 1, &val
, HCI_INIT_TIMEOUT
);
1450 BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb
));
1457 static int btusb_setup_csr(struct hci_dev
*hdev
)
1459 struct hci_rp_read_local_version
*rp
;
1460 struct sk_buff
*skb
;
1462 BT_DBG("%s", hdev
->name
);
1464 skb
= __hci_cmd_sync(hdev
, HCI_OP_READ_LOCAL_VERSION
, 0, NULL
,
1467 int err
= PTR_ERR(skb
);
1468 BT_ERR("%s: CSR: Local version failed (%d)", hdev
->name
, err
);
1472 if (skb
->len
!= sizeof(struct hci_rp_read_local_version
)) {
1473 BT_ERR("%s: CSR: Local version length mismatch", hdev
->name
);
1478 rp
= (struct hci_rp_read_local_version
*)skb
->data
;
1480 /* Detect controllers which aren't real CSR ones. */
1481 if (le16_to_cpu(rp
->manufacturer
) != 10 ||
1482 le16_to_cpu(rp
->lmp_subver
) == 0x0c5c) {
1483 /* Clear the reset quirk since this is not an actual
1484 * early Bluetooth 1.1 device from CSR.
1486 clear_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
1488 /* These fake CSR controllers have all a broken
1489 * stored link key handling and so just disable it.
1491 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY
, &hdev
->quirks
);
1499 static const struct firmware
*btusb_setup_intel_get_fw(struct hci_dev
*hdev
,
1500 struct intel_version
*ver
)
1502 const struct firmware
*fw
;
1506 snprintf(fwname
, sizeof(fwname
),
1507 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
1508 ver
->hw_platform
, ver
->hw_variant
, ver
->hw_revision
,
1509 ver
->fw_variant
, ver
->fw_revision
, ver
->fw_build_num
,
1510 ver
->fw_build_ww
, ver
->fw_build_yy
);
1512 ret
= request_firmware(&fw
, fwname
, &hdev
->dev
);
1514 if (ret
== -EINVAL
) {
1515 BT_ERR("%s Intel firmware file request failed (%d)",
1520 BT_ERR("%s failed to open Intel firmware file: %s(%d)",
1521 hdev
->name
, fwname
, ret
);
1523 /* If the correct firmware patch file is not found, use the
1524 * default firmware patch file instead
1526 snprintf(fwname
, sizeof(fwname
), "intel/ibt-hw-%x.%x.bseq",
1527 ver
->hw_platform
, ver
->hw_variant
);
1528 if (request_firmware(&fw
, fwname
, &hdev
->dev
) < 0) {
1529 BT_ERR("%s failed to open default Intel fw file: %s",
1530 hdev
->name
, fwname
);
1535 BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev
->name
, fwname
);
1540 static int btusb_setup_intel_patching(struct hci_dev
*hdev
,
1541 const struct firmware
*fw
,
1542 const u8
**fw_ptr
, int *disable_patch
)
1544 struct sk_buff
*skb
;
1545 struct hci_command_hdr
*cmd
;
1546 const u8
*cmd_param
;
1547 struct hci_event_hdr
*evt
= NULL
;
1548 const u8
*evt_param
= NULL
;
1549 int remain
= fw
->size
- (*fw_ptr
- fw
->data
);
1551 /* The first byte indicates the types of the patch command or event.
1552 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
1553 * in the current firmware buffer doesn't start with 0x01 or
1554 * the size of remain buffer is smaller than HCI command header,
1555 * the firmware file is corrupted and it should stop the patching
1558 if (remain
> HCI_COMMAND_HDR_SIZE
&& *fw_ptr
[0] != 0x01) {
1559 BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev
->name
);
1565 cmd
= (struct hci_command_hdr
*)(*fw_ptr
);
1566 *fw_ptr
+= sizeof(*cmd
);
1567 remain
-= sizeof(*cmd
);
1569 /* Ensure that the remain firmware data is long enough than the length
1570 * of command parameter. If not, the firmware file is corrupted.
1572 if (remain
< cmd
->plen
) {
1573 BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev
->name
);
1577 /* If there is a command that loads a patch in the firmware
1578 * file, then enable the patch upon success, otherwise just
1579 * disable the manufacturer mode, for example patch activation
1580 * is not required when the default firmware patch file is used
1581 * because there are no patch data to load.
1583 if (*disable_patch
&& le16_to_cpu(cmd
->opcode
) == 0xfc8e)
1586 cmd_param
= *fw_ptr
;
1587 *fw_ptr
+= cmd
->plen
;
1588 remain
-= cmd
->plen
;
1590 /* This reads the expected events when the above command is sent to the
1591 * device. Some vendor commands expects more than one events, for
1592 * example command status event followed by vendor specific event.
1593 * For this case, it only keeps the last expected event. so the command
1594 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
1595 * last expected event.
1597 while (remain
> HCI_EVENT_HDR_SIZE
&& *fw_ptr
[0] == 0x02) {
1601 evt
= (struct hci_event_hdr
*)(*fw_ptr
);
1602 *fw_ptr
+= sizeof(*evt
);
1603 remain
-= sizeof(*evt
);
1605 if (remain
< evt
->plen
) {
1606 BT_ERR("%s Intel fw corrupted: invalid evt len",
1611 evt_param
= *fw_ptr
;
1612 *fw_ptr
+= evt
->plen
;
1613 remain
-= evt
->plen
;
1616 /* Every HCI commands in the firmware file has its correspond event.
1617 * If event is not found or remain is smaller than zero, the firmware
1618 * file is corrupted.
1620 if (!evt
|| !evt_param
|| remain
< 0) {
1621 BT_ERR("%s Intel fw corrupted: invalid evt read", hdev
->name
);
1625 skb
= __hci_cmd_sync_ev(hdev
, le16_to_cpu(cmd
->opcode
), cmd
->plen
,
1626 cmd_param
, evt
->evt
, HCI_INIT_TIMEOUT
);
1628 BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)",
1629 hdev
->name
, cmd
->opcode
, PTR_ERR(skb
));
1630 return PTR_ERR(skb
);
1633 /* It ensures that the returned event matches the event data read from
1634 * the firmware file. At fist, it checks the length and then
1635 * the contents of the event.
1637 if (skb
->len
!= evt
->plen
) {
1638 BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev
->name
,
1639 le16_to_cpu(cmd
->opcode
));
1644 if (memcmp(skb
->data
, evt_param
, evt
->plen
)) {
1645 BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)",
1646 hdev
->name
, le16_to_cpu(cmd
->opcode
));
1655 static int btusb_setup_intel(struct hci_dev
*hdev
)
1657 struct sk_buff
*skb
;
1658 const struct firmware
*fw
;
1660 int disable_patch
, err
;
1661 struct intel_version ver
;
1663 BT_DBG("%s", hdev
->name
);
1665 /* The controller has a bug with the first HCI command sent to it
1666 * returning number of completed commands as zero. This would stall the
1667 * command processing in the Bluetooth core.
1669 * As a workaround, send HCI Reset command first which will reset the
1670 * number of completed commands and allow normal command processing
1673 skb
= __hci_cmd_sync(hdev
, HCI_OP_RESET
, 0, NULL
, HCI_INIT_TIMEOUT
);
1675 BT_ERR("%s sending initial HCI reset command failed (%ld)",
1676 hdev
->name
, PTR_ERR(skb
));
1677 return PTR_ERR(skb
);
1681 /* Read Intel specific controller version first to allow selection of
1682 * which firmware file to load.
1684 * The returned information are hardware variant and revision plus
1685 * firmware variant, revision and build number.
1687 err
= btintel_read_version(hdev
, &ver
);
1691 BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
1692 hdev
->name
, ver
.hw_platform
, ver
.hw_variant
, ver
.hw_revision
,
1693 ver
.fw_variant
, ver
.fw_revision
, ver
.fw_build_num
,
1694 ver
.fw_build_ww
, ver
.fw_build_yy
, ver
.fw_patch_num
);
1696 /* fw_patch_num indicates the version of patch the device currently
1697 * have. If there is no patch data in the device, it is always 0x00.
1698 * So, if it is other than 0x00, no need to patch the device again.
1700 if (ver
.fw_patch_num
) {
1701 BT_INFO("%s: Intel device is already patched. patch num: %02x",
1702 hdev
->name
, ver
.fw_patch_num
);
1706 /* Opens the firmware patch file based on the firmware version read
1707 * from the controller. If it fails to open the matching firmware
1708 * patch file, it tries to open the default firmware patch file.
1709 * If no patch file is found, allow the device to operate without
1712 fw
= btusb_setup_intel_get_fw(hdev
, &ver
);
1717 /* Enable the manufacturer mode of the controller.
1718 * Only while this mode is enabled, the driver can download the
1719 * firmware patch data and configuration parameters.
1721 err
= btintel_enter_mfg(hdev
);
1723 release_firmware(fw
);
1729 /* The firmware data file consists of list of Intel specific HCI
1730 * commands and its expected events. The first byte indicates the
1731 * type of the message, either HCI command or HCI event.
1733 * It reads the command and its expected event from the firmware file,
1734 * and send to the controller. Once __hci_cmd_sync_ev() returns,
1735 * the returned event is compared with the event read from the firmware
1736 * file and it will continue until all the messages are downloaded to
1739 * Once the firmware patching is completed successfully,
1740 * the manufacturer mode is disabled with reset and activating the
1743 * If the firmware patching fails, the manufacturer mode is
1744 * disabled with reset and deactivating the patch.
1746 * If the default patch file is used, no reset is done when disabling
1749 while (fw
->size
> fw_ptr
- fw
->data
) {
1752 ret
= btusb_setup_intel_patching(hdev
, fw
, &fw_ptr
,
1755 goto exit_mfg_deactivate
;
1758 release_firmware(fw
);
1761 goto exit_mfg_disable
;
1763 /* Patching completed successfully and disable the manufacturer mode
1764 * with reset and activate the downloaded firmware patches.
1766 err
= btintel_exit_mfg(hdev
, true, true);
1770 BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
1776 /* Disable the manufacturer mode without reset */
1777 err
= btintel_exit_mfg(hdev
, false, false);
1781 BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev
->name
);
1785 exit_mfg_deactivate
:
1786 release_firmware(fw
);
1788 /* Patching failed. Disable the manufacturer mode with reset and
1789 * deactivate the downloaded firmware patches.
1791 err
= btintel_exit_mfg(hdev
, true, false);
1795 BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
1799 /* Set the event mask for Intel specific vendor events. This enables
1800 * a few extra events that are useful during general operation.
1802 btintel_set_event_mask_mfg(hdev
, false);
1804 btintel_check_bdaddr(hdev
);
1808 static int inject_cmd_complete(struct hci_dev
*hdev
, __u16 opcode
)
1810 struct sk_buff
*skb
;
1811 struct hci_event_hdr
*hdr
;
1812 struct hci_ev_cmd_complete
*evt
;
1814 skb
= bt_skb_alloc(sizeof(*hdr
) + sizeof(*evt
) + 1, GFP_ATOMIC
);
1818 hdr
= (struct hci_event_hdr
*)skb_put(skb
, sizeof(*hdr
));
1819 hdr
->evt
= HCI_EV_CMD_COMPLETE
;
1820 hdr
->plen
= sizeof(*evt
) + 1;
1822 evt
= (struct hci_ev_cmd_complete
*)skb_put(skb
, sizeof(*evt
));
1824 evt
->opcode
= cpu_to_le16(opcode
);
1826 *skb_put(skb
, 1) = 0x00;
1828 hci_skb_pkt_type(skb
) = HCI_EVENT_PKT
;
1830 return hci_recv_frame(hdev
, skb
);
1833 static int btusb_recv_bulk_intel(struct btusb_data
*data
, void *buffer
,
1836 /* When the device is in bootloader mode, then it can send
1837 * events via the bulk endpoint. These events are treated the
1838 * same way as the ones received from the interrupt endpoint.
1840 if (test_bit(BTUSB_BOOTLOADER
, &data
->flags
))
1841 return btusb_recv_intr(data
, buffer
, count
);
1843 return btusb_recv_bulk(data
, buffer
, count
);
1846 static void btusb_intel_bootup(struct btusb_data
*data
, const void *ptr
,
1849 const struct intel_bootup
*evt
= ptr
;
1851 if (len
!= sizeof(*evt
))
1854 if (test_and_clear_bit(BTUSB_BOOTING
, &data
->flags
)) {
1855 smp_mb__after_atomic();
1856 wake_up_bit(&data
->flags
, BTUSB_BOOTING
);
1860 static void btusb_intel_secure_send_result(struct btusb_data
*data
,
1861 const void *ptr
, unsigned int len
)
1863 const struct intel_secure_send_result
*evt
= ptr
;
1865 if (len
!= sizeof(*evt
))
1869 set_bit(BTUSB_FIRMWARE_FAILED
, &data
->flags
);
1871 if (test_and_clear_bit(BTUSB_DOWNLOADING
, &data
->flags
) &&
1872 test_bit(BTUSB_FIRMWARE_LOADED
, &data
->flags
)) {
1873 smp_mb__after_atomic();
1874 wake_up_bit(&data
->flags
, BTUSB_DOWNLOADING
);
1878 static int btusb_recv_event_intel(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1880 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1882 if (test_bit(BTUSB_BOOTLOADER
, &data
->flags
)) {
1883 struct hci_event_hdr
*hdr
= (void *)skb
->data
;
1885 if (skb
->len
> HCI_EVENT_HDR_SIZE
&& hdr
->evt
== 0xff &&
1887 const void *ptr
= skb
->data
+ HCI_EVENT_HDR_SIZE
+ 1;
1888 unsigned int len
= skb
->len
- HCI_EVENT_HDR_SIZE
- 1;
1890 switch (skb
->data
[2]) {
1892 /* When switching to the operational firmware
1893 * the device sends a vendor specific event
1894 * indicating that the bootup completed.
1896 btusb_intel_bootup(data
, ptr
, len
);
1899 /* When the firmware loading completes the
1900 * device sends out a vendor specific event
1901 * indicating the result of the firmware
1904 btusb_intel_secure_send_result(data
, ptr
, len
);
1910 return hci_recv_frame(hdev
, skb
);
1913 static int btusb_send_frame_intel(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1915 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1918 BT_DBG("%s", hdev
->name
);
1920 switch (hci_skb_pkt_type(skb
)) {
1921 case HCI_COMMAND_PKT
:
1922 if (test_bit(BTUSB_BOOTLOADER
, &data
->flags
)) {
1923 struct hci_command_hdr
*cmd
= (void *)skb
->data
;
1924 __u16 opcode
= le16_to_cpu(cmd
->opcode
);
1926 /* When in bootloader mode and the command 0xfc09
1927 * is received, it needs to be send down the
1928 * bulk endpoint. So allocate a bulk URB instead.
1930 if (opcode
== 0xfc09)
1931 urb
= alloc_bulk_urb(hdev
, skb
);
1933 urb
= alloc_ctrl_urb(hdev
, skb
);
1935 /* When the 0xfc01 command is issued to boot into
1936 * the operational firmware, it will actually not
1937 * send a command complete event. To keep the flow
1938 * control working inject that event here.
1940 if (opcode
== 0xfc01)
1941 inject_cmd_complete(hdev
, opcode
);
1943 urb
= alloc_ctrl_urb(hdev
, skb
);
1946 return PTR_ERR(urb
);
1948 hdev
->stat
.cmd_tx
++;
1949 return submit_or_queue_tx_urb(hdev
, urb
);
1951 case HCI_ACLDATA_PKT
:
1952 urb
= alloc_bulk_urb(hdev
, skb
);
1954 return PTR_ERR(urb
);
1956 hdev
->stat
.acl_tx
++;
1957 return submit_or_queue_tx_urb(hdev
, urb
);
1959 case HCI_SCODATA_PKT
:
1960 if (hci_conn_num(hdev
, SCO_LINK
) < 1)
1963 urb
= alloc_isoc_urb(hdev
, skb
);
1965 return PTR_ERR(urb
);
1967 hdev
->stat
.sco_tx
++;
1968 return submit_tx_urb(hdev
, urb
);
1974 static int btusb_setup_intel_new(struct hci_dev
*hdev
)
1976 static const u8 reset_param
[] = { 0x00, 0x01, 0x00, 0x01,
1977 0x00, 0x08, 0x04, 0x00 };
1978 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1979 struct sk_buff
*skb
;
1980 struct intel_version ver
;
1981 struct intel_boot_params
*params
;
1982 const struct firmware
*fw
;
1986 ktime_t calltime
, delta
, rettime
;
1987 unsigned long long duration
;
1990 BT_DBG("%s", hdev
->name
);
1992 calltime
= ktime_get();
1994 /* Read the Intel version information to determine if the device
1995 * is in bootloader mode or if it already has operational firmware
1998 err
= btintel_read_version(hdev
, &ver
);
2002 /* The hardware platform number has a fixed value of 0x37 and
2003 * for now only accept this single value.
2005 if (ver
.hw_platform
!= 0x37) {
2006 BT_ERR("%s: Unsupported Intel hardware platform (%u)",
2007 hdev
->name
, ver
.hw_platform
);
2011 /* At the moment the iBT 3.0 hardware variants 0x0b (LnP/SfP)
2012 * and 0x0c (WsP) are supported by this firmware loading method.
2014 * This check has been put in place to ensure correct forward
2015 * compatibility options when newer hardware variants come along.
2017 if (ver
.hw_variant
!= 0x0b && ver
.hw_variant
!= 0x0c) {
2018 BT_ERR("%s: Unsupported Intel hardware variant (%u)",
2019 hdev
->name
, ver
.hw_variant
);
2023 btintel_version_info(hdev
, &ver
);
2025 /* The firmware variant determines if the device is in bootloader
2026 * mode or is running operational firmware. The value 0x06 identifies
2027 * the bootloader and the value 0x23 identifies the operational
2030 * When the operational firmware is already present, then only
2031 * the check for valid Bluetooth device address is needed. This
2032 * determines if the device will be added as configured or
2033 * unconfigured controller.
2035 * It is not possible to use the Secure Boot Parameters in this
2036 * case since that command is only available in bootloader mode.
2038 if (ver
.fw_variant
== 0x23) {
2039 clear_bit(BTUSB_BOOTLOADER
, &data
->flags
);
2040 btintel_check_bdaddr(hdev
);
2044 /* If the device is not in bootloader mode, then the only possible
2045 * choice is to return an error and abort the device initialization.
2047 if (ver
.fw_variant
!= 0x06) {
2048 BT_ERR("%s: Unsupported Intel firmware variant (%u)",
2049 hdev
->name
, ver
.fw_variant
);
2053 /* Read the secure boot parameters to identify the operating
2054 * details of the bootloader.
2056 skb
= __hci_cmd_sync(hdev
, 0xfc0d, 0, NULL
, HCI_INIT_TIMEOUT
);
2058 BT_ERR("%s: Reading Intel boot parameters failed (%ld)",
2059 hdev
->name
, PTR_ERR(skb
));
2060 return PTR_ERR(skb
);
2063 if (skb
->len
!= sizeof(*params
)) {
2064 BT_ERR("%s: Intel boot parameters size mismatch", hdev
->name
);
2069 params
= (struct intel_boot_params
*)skb
->data
;
2071 BT_INFO("%s: Device revision is %u", hdev
->name
,
2072 le16_to_cpu(params
->dev_revid
));
2074 BT_INFO("%s: Secure boot is %s", hdev
->name
,
2075 params
->secure_boot
? "enabled" : "disabled");
2077 BT_INFO("%s: OTP lock is %s", hdev
->name
,
2078 params
->otp_lock
? "enabled" : "disabled");
2080 BT_INFO("%s: API lock is %s", hdev
->name
,
2081 params
->api_lock
? "enabled" : "disabled");
2083 BT_INFO("%s: Debug lock is %s", hdev
->name
,
2084 params
->debug_lock
? "enabled" : "disabled");
2086 BT_INFO("%s: Minimum firmware build %u week %u %u", hdev
->name
,
2087 params
->min_fw_build_nn
, params
->min_fw_build_cw
,
2088 2000 + params
->min_fw_build_yy
);
2090 /* It is required that every single firmware fragment is acknowledged
2091 * with a command complete event. If the boot parameters indicate
2092 * that this bootloader does not send them, then abort the setup.
2094 if (params
->limited_cce
!= 0x00) {
2095 BT_ERR("%s: Unsupported Intel firmware loading method (%u)",
2096 hdev
->name
, params
->limited_cce
);
2101 /* If the OTP has no valid Bluetooth device address, then there will
2102 * also be no valid address for the operational firmware.
2104 if (!bacmp(¶ms
->otp_bdaddr
, BDADDR_ANY
)) {
2105 BT_INFO("%s: No device address configured", hdev
->name
);
2106 set_bit(HCI_QUIRK_INVALID_BDADDR
, &hdev
->quirks
);
2109 /* With this Intel bootloader only the hardware variant and device
2110 * revision information are used to select the right firmware.
2112 * The firmware filename is ibt-<hw_variant>-<dev_revid>.sfi.
2114 * Currently the supported hardware variants are:
2115 * 11 (0x0b) for iBT3.0 (LnP/SfP)
2116 * 12 (0x0c) for iBT3.5 (WsP)
2118 snprintf(fwname
, sizeof(fwname
), "intel/ibt-%u-%u.sfi",
2119 le16_to_cpu(ver
.hw_variant
),
2120 le16_to_cpu(params
->dev_revid
));
2122 err
= request_firmware(&fw
, fwname
, &hdev
->dev
);
2124 BT_ERR("%s: Failed to load Intel firmware file (%d)",
2130 BT_INFO("%s: Found device firmware: %s", hdev
->name
, fwname
);
2132 /* Save the DDC file name for later use to apply once the firmware
2133 * downloading is done.
2135 snprintf(fwname
, sizeof(fwname
), "intel/ibt-%u-%u.ddc",
2136 le16_to_cpu(ver
.hw_variant
),
2137 le16_to_cpu(params
->dev_revid
));
2141 if (fw
->size
< 644) {
2142 BT_ERR("%s: Invalid size of firmware file (%zu)",
2143 hdev
->name
, fw
->size
);
2148 set_bit(BTUSB_DOWNLOADING
, &data
->flags
);
2150 /* Start the firmware download transaction with the Init fragment
2151 * represented by the 128 bytes of CSS header.
2153 err
= btintel_secure_send(hdev
, 0x00, 128, fw
->data
);
2155 BT_ERR("%s: Failed to send firmware header (%d)",
2160 /* Send the 256 bytes of public key information from the firmware
2161 * as the PKey fragment.
2163 err
= btintel_secure_send(hdev
, 0x03, 256, fw
->data
+ 128);
2165 BT_ERR("%s: Failed to send firmware public key (%d)",
2170 /* Send the 256 bytes of signature information from the firmware
2171 * as the Sign fragment.
2173 err
= btintel_secure_send(hdev
, 0x02, 256, fw
->data
+ 388);
2175 BT_ERR("%s: Failed to send firmware signature (%d)",
2180 fw_ptr
= fw
->data
+ 644;
2183 while (fw_ptr
- fw
->data
< fw
->size
) {
2184 struct hci_command_hdr
*cmd
= (void *)(fw_ptr
+ frag_len
);
2186 frag_len
+= sizeof(*cmd
) + cmd
->plen
;
2188 /* The parameter length of the secure send command requires
2189 * a 4 byte alignment. It happens so that the firmware file
2190 * contains proper Intel_NOP commands to align the fragments
2193 * Send set of commands with 4 byte alignment from the
2194 * firmware data buffer as a single Data fragement.
2196 if (!(frag_len
% 4)) {
2197 err
= btintel_secure_send(hdev
, 0x01, frag_len
, fw_ptr
);
2199 BT_ERR("%s: Failed to send firmware data (%d)",
2209 set_bit(BTUSB_FIRMWARE_LOADED
, &data
->flags
);
2211 BT_INFO("%s: Waiting for firmware download to complete", hdev
->name
);
2213 /* Before switching the device into operational mode and with that
2214 * booting the loaded firmware, wait for the bootloader notification
2215 * that all fragments have been successfully received.
2217 * When the event processing receives the notification, then the
2218 * BTUSB_DOWNLOADING flag will be cleared.
2220 * The firmware loading should not take longer than 5 seconds
2221 * and thus just timeout if that happens and fail the setup
2224 err
= wait_on_bit_timeout(&data
->flags
, BTUSB_DOWNLOADING
,
2226 msecs_to_jiffies(5000));
2227 if (err
== -EINTR
) {
2228 BT_ERR("%s: Firmware loading interrupted", hdev
->name
);
2233 BT_ERR("%s: Firmware loading timeout", hdev
->name
);
2238 if (test_bit(BTUSB_FIRMWARE_FAILED
, &data
->flags
)) {
2239 BT_ERR("%s: Firmware loading failed", hdev
->name
);
2244 rettime
= ktime_get();
2245 delta
= ktime_sub(rettime
, calltime
);
2246 duration
= (unsigned long long) ktime_to_ns(delta
) >> 10;
2248 BT_INFO("%s: Firmware loaded in %llu usecs", hdev
->name
, duration
);
2251 release_firmware(fw
);
2256 calltime
= ktime_get();
2258 set_bit(BTUSB_BOOTING
, &data
->flags
);
2260 skb
= __hci_cmd_sync(hdev
, 0xfc01, sizeof(reset_param
), reset_param
,
2263 return PTR_ERR(skb
);
2267 /* The bootloader will not indicate when the device is ready. This
2268 * is done by the operational firmware sending bootup notification.
2270 * Booting into operational firmware should not take longer than
2271 * 1 second. However if that happens, then just fail the setup
2272 * since something went wrong.
2274 BT_INFO("%s: Waiting for device to boot", hdev
->name
);
2276 err
= wait_on_bit_timeout(&data
->flags
, BTUSB_BOOTING
,
2278 msecs_to_jiffies(1000));
2280 if (err
== -EINTR
) {
2281 BT_ERR("%s: Device boot interrupted", hdev
->name
);
2286 BT_ERR("%s: Device boot timeout", hdev
->name
);
2290 rettime
= ktime_get();
2291 delta
= ktime_sub(rettime
, calltime
);
2292 duration
= (unsigned long long) ktime_to_ns(delta
) >> 10;
2294 BT_INFO("%s: Device booted in %llu usecs", hdev
->name
, duration
);
2296 clear_bit(BTUSB_BOOTLOADER
, &data
->flags
);
2298 /* Once the device is running in operational mode, it needs to apply
2299 * the device configuration (DDC) parameters.
2301 * The device can work without DDC parameters, so even if it fails
2302 * to load the file, no need to fail the setup.
2304 btintel_load_ddc_config(hdev
, fwname
);
2306 /* Set the event mask for Intel specific vendor events. This enables
2307 * a few extra events that are useful during general operation. It
2308 * does not enable any debugging related events.
2310 * The device will function correctly without these events enabled
2311 * and thus no need to fail the setup.
2313 btintel_set_event_mask(hdev
, false);
2318 static int btusb_shutdown_intel(struct hci_dev
*hdev
)
2320 struct sk_buff
*skb
;
2323 /* Some platforms have an issue with BT LED when the interface is
2324 * down or BT radio is turned off, which takes 5 seconds to BT LED
2325 * goes off. This command turns off the BT LED immediately.
2327 skb
= __hci_cmd_sync(hdev
, 0xfc3f, 0, NULL
, HCI_INIT_TIMEOUT
);
2330 BT_ERR("%s: turning off Intel device LED failed (%ld)",
2339 static int btusb_set_bdaddr_marvell(struct hci_dev
*hdev
,
2340 const bdaddr_t
*bdaddr
)
2342 struct sk_buff
*skb
;
2347 buf
[1] = sizeof(bdaddr_t
);
2348 memcpy(buf
+ 2, bdaddr
, sizeof(bdaddr_t
));
2350 skb
= __hci_cmd_sync(hdev
, 0xfc22, sizeof(buf
), buf
, HCI_INIT_TIMEOUT
);
2353 BT_ERR("%s: changing Marvell device address failed (%ld)",
2362 static int btusb_set_bdaddr_ath3012(struct hci_dev
*hdev
,
2363 const bdaddr_t
*bdaddr
)
2365 struct sk_buff
*skb
;
2372 buf
[3] = sizeof(bdaddr_t
);
2373 memcpy(buf
+ 4, bdaddr
, sizeof(bdaddr_t
));
2375 skb
= __hci_cmd_sync(hdev
, 0xfc0b, sizeof(buf
), buf
, HCI_INIT_TIMEOUT
);
2378 BT_ERR("%s: Change address command failed (%ld)",
2387 #define QCA_DFU_PACKET_LEN 4096
2389 #define QCA_GET_TARGET_VERSION 0x09
2390 #define QCA_CHECK_STATUS 0x05
2391 #define QCA_DFU_DOWNLOAD 0x01
2393 #define QCA_SYSCFG_UPDATED 0x40
2394 #define QCA_PATCH_UPDATED 0x80
2395 #define QCA_DFU_TIMEOUT 3000
2397 struct qca_version
{
2399 __le32 patch_version
;
2405 struct qca_rampatch_version
{
2407 __le16 patch_version
;
2410 struct qca_device_info
{
2412 u8 rampatch_hdr
; /* length of header in rampatch */
2413 u8 nvm_hdr
; /* length of header in NVM */
2414 u8 ver_offset
; /* offset of version structure in rampatch */
2417 static const struct qca_device_info qca_devices_table
[] = {
2418 { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */
2419 { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
2420 { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
2421 { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
2422 { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
2423 { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
2426 static int btusb_qca_send_vendor_req(struct hci_dev
*hdev
, u8 request
,
2427 void *data
, u16 size
)
2429 struct btusb_data
*btdata
= hci_get_drvdata(hdev
);
2430 struct usb_device
*udev
= btdata
->udev
;
2434 buf
= kmalloc(size
, GFP_KERNEL
);
2438 /* Found some of USB hosts have IOT issues with ours so that we should
2439 * not wait until HCI layer is ready.
2441 pipe
= usb_rcvctrlpipe(udev
, 0);
2442 err
= usb_control_msg(udev
, pipe
, request
, USB_TYPE_VENDOR
| USB_DIR_IN
,
2443 0, 0, buf
, size
, USB_CTRL_SET_TIMEOUT
);
2445 BT_ERR("%s: Failed to access otp area (%d)", hdev
->name
, err
);
2449 memcpy(data
, buf
, size
);
2457 static int btusb_setup_qca_download_fw(struct hci_dev
*hdev
,
2458 const struct firmware
*firmware
,
2461 struct btusb_data
*btdata
= hci_get_drvdata(hdev
);
2462 struct usb_device
*udev
= btdata
->udev
;
2463 size_t count
, size
, sent
= 0;
2467 buf
= kmalloc(QCA_DFU_PACKET_LEN
, GFP_KERNEL
);
2471 count
= firmware
->size
;
2473 size
= min_t(size_t, count
, hdr_size
);
2474 memcpy(buf
, firmware
->data
, size
);
2476 /* USB patches should go down to controller through USB path
2477 * because binary format fits to go down through USB channel.
2478 * USB control path is for patching headers and USB bulk is for
2481 pipe
= usb_sndctrlpipe(udev
, 0);
2482 err
= usb_control_msg(udev
, pipe
, QCA_DFU_DOWNLOAD
, USB_TYPE_VENDOR
,
2483 0, 0, buf
, size
, USB_CTRL_SET_TIMEOUT
);
2485 BT_ERR("%s: Failed to send headers (%d)", hdev
->name
, err
);
2493 size
= min_t(size_t, count
, QCA_DFU_PACKET_LEN
);
2495 memcpy(buf
, firmware
->data
+ sent
, size
);
2497 pipe
= usb_sndbulkpipe(udev
, 0x02);
2498 err
= usb_bulk_msg(udev
, pipe
, buf
, size
, &len
,
2501 BT_ERR("%s: Failed to send body at %zd of %zd (%d)",
2502 hdev
->name
, sent
, firmware
->size
, err
);
2507 BT_ERR("%s: Failed to get bulk buffer", hdev
->name
);
2521 static int btusb_setup_qca_load_rampatch(struct hci_dev
*hdev
,
2522 struct qca_version
*ver
,
2523 const struct qca_device_info
*info
)
2525 struct qca_rampatch_version
*rver
;
2526 const struct firmware
*fw
;
2527 u32 ver_rom
, ver_patch
;
2528 u16 rver_rom
, rver_patch
;
2532 ver_rom
= le32_to_cpu(ver
->rom_version
);
2533 ver_patch
= le32_to_cpu(ver
->patch_version
);
2535 snprintf(fwname
, sizeof(fwname
), "qca/rampatch_usb_%08x.bin", ver_rom
);
2537 err
= request_firmware(&fw
, fwname
, &hdev
->dev
);
2539 BT_ERR("%s: failed to request rampatch file: %s (%d)",
2540 hdev
->name
, fwname
, err
);
2544 BT_INFO("%s: using rampatch file: %s", hdev
->name
, fwname
);
2546 rver
= (struct qca_rampatch_version
*)(fw
->data
+ info
->ver_offset
);
2547 rver_rom
= le16_to_cpu(rver
->rom_version
);
2548 rver_patch
= le16_to_cpu(rver
->patch_version
);
2550 BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x "
2551 "build 0x%x", hdev
->name
, rver_rom
, rver_patch
, ver_rom
,
2554 if (rver_rom
!= ver_rom
|| rver_patch
<= ver_patch
) {
2555 BT_ERR("%s: rampatch file version did not match with firmware",
2561 err
= btusb_setup_qca_download_fw(hdev
, fw
, info
->rampatch_hdr
);
2564 release_firmware(fw
);
2569 static int btusb_setup_qca_load_nvm(struct hci_dev
*hdev
,
2570 struct qca_version
*ver
,
2571 const struct qca_device_info
*info
)
2573 const struct firmware
*fw
;
2577 snprintf(fwname
, sizeof(fwname
), "qca/nvm_usb_%08x.bin",
2578 le32_to_cpu(ver
->rom_version
));
2580 err
= request_firmware(&fw
, fwname
, &hdev
->dev
);
2582 BT_ERR("%s: failed to request NVM file: %s (%d)",
2583 hdev
->name
, fwname
, err
);
2587 BT_INFO("%s: using NVM file: %s", hdev
->name
, fwname
);
2589 err
= btusb_setup_qca_download_fw(hdev
, fw
, info
->nvm_hdr
);
2591 release_firmware(fw
);
2596 static int btusb_setup_qca(struct hci_dev
*hdev
)
2598 const struct qca_device_info
*info
= NULL
;
2599 struct qca_version ver
;
2604 err
= btusb_qca_send_vendor_req(hdev
, QCA_GET_TARGET_VERSION
, &ver
,
2609 ver_rom
= le32_to_cpu(ver
.rom_version
);
2610 for (i
= 0; i
< ARRAY_SIZE(qca_devices_table
); i
++) {
2611 if (ver_rom
== qca_devices_table
[i
].rom_version
)
2612 info
= &qca_devices_table
[i
];
2615 BT_ERR("%s: don't support firmware rome 0x%x", hdev
->name
,
2620 err
= btusb_qca_send_vendor_req(hdev
, QCA_CHECK_STATUS
, &status
,
2625 if (!(status
& QCA_PATCH_UPDATED
)) {
2626 err
= btusb_setup_qca_load_rampatch(hdev
, &ver
, info
);
2631 if (!(status
& QCA_SYSCFG_UPDATED
)) {
2632 err
= btusb_setup_qca_load_nvm(hdev
, &ver
, info
);
2640 #ifdef CONFIG_BT_HCIBTUSB_BCM
2641 static inline int __set_diag_interface(struct hci_dev
*hdev
)
2643 struct btusb_data
*data
= hci_get_drvdata(hdev
);
2644 struct usb_interface
*intf
= data
->diag
;
2650 data
->diag_tx_ep
= NULL
;
2651 data
->diag_rx_ep
= NULL
;
2653 for (i
= 0; i
< intf
->cur_altsetting
->desc
.bNumEndpoints
; i
++) {
2654 struct usb_endpoint_descriptor
*ep_desc
;
2656 ep_desc
= &intf
->cur_altsetting
->endpoint
[i
].desc
;
2658 if (!data
->diag_tx_ep
&& usb_endpoint_is_bulk_out(ep_desc
)) {
2659 data
->diag_tx_ep
= ep_desc
;
2663 if (!data
->diag_rx_ep
&& usb_endpoint_is_bulk_in(ep_desc
)) {
2664 data
->diag_rx_ep
= ep_desc
;
2669 if (!data
->diag_tx_ep
|| !data
->diag_rx_ep
) {
2670 BT_ERR("%s invalid diagnostic descriptors", hdev
->name
);
2677 static struct urb
*alloc_diag_urb(struct hci_dev
*hdev
, bool enable
)
2679 struct btusb_data
*data
= hci_get_drvdata(hdev
);
2680 struct sk_buff
*skb
;
2684 if (!data
->diag_tx_ep
)
2685 return ERR_PTR(-ENODEV
);
2687 urb
= usb_alloc_urb(0, GFP_KERNEL
);
2689 return ERR_PTR(-ENOMEM
);
2691 skb
= bt_skb_alloc(2, GFP_KERNEL
);
2694 return ERR_PTR(-ENOMEM
);
2697 *skb_put(skb
, 1) = 0xf0;
2698 *skb_put(skb
, 1) = enable
;
2700 pipe
= usb_sndbulkpipe(data
->udev
, data
->diag_tx_ep
->bEndpointAddress
);
2702 usb_fill_bulk_urb(urb
, data
->udev
, pipe
,
2703 skb
->data
, skb
->len
, btusb_tx_complete
, skb
);
2705 skb
->dev
= (void *)hdev
;
2710 static int btusb_bcm_set_diag(struct hci_dev
*hdev
, bool enable
)
2712 struct btusb_data
*data
= hci_get_drvdata(hdev
);
2718 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
2721 urb
= alloc_diag_urb(hdev
, enable
);
2723 return PTR_ERR(urb
);
2725 return submit_or_queue_tx_urb(hdev
, urb
);
2729 static int btusb_probe(struct usb_interface
*intf
,
2730 const struct usb_device_id
*id
)
2732 struct usb_endpoint_descriptor
*ep_desc
;
2733 struct btusb_data
*data
;
2734 struct hci_dev
*hdev
;
2735 unsigned ifnum_base
;
2738 BT_DBG("intf %p id %p", intf
, id
);
2740 /* interface numbers are hardcoded in the spec */
2741 if (intf
->cur_altsetting
->desc
.bInterfaceNumber
!= 0) {
2742 if (!(id
->driver_info
& BTUSB_IFNUM_2
))
2744 if (intf
->cur_altsetting
->desc
.bInterfaceNumber
!= 2)
2748 ifnum_base
= intf
->cur_altsetting
->desc
.bInterfaceNumber
;
2750 if (!id
->driver_info
) {
2751 const struct usb_device_id
*match
;
2753 match
= usb_match_id(intf
, blacklist_table
);
2758 if (id
->driver_info
== BTUSB_IGNORE
)
2761 if (id
->driver_info
& BTUSB_ATH3012
) {
2762 struct usb_device
*udev
= interface_to_usbdev(intf
);
2764 /* Old firmware would otherwise let ath3k driver load
2765 * patch and sysconfig files */
2766 if (le16_to_cpu(udev
->descriptor
.bcdDevice
) <= 0x0001)
2770 data
= devm_kzalloc(&intf
->dev
, sizeof(*data
), GFP_KERNEL
);
2774 for (i
= 0; i
< intf
->cur_altsetting
->desc
.bNumEndpoints
; i
++) {
2775 ep_desc
= &intf
->cur_altsetting
->endpoint
[i
].desc
;
2777 if (!data
->intr_ep
&& usb_endpoint_is_int_in(ep_desc
)) {
2778 data
->intr_ep
= ep_desc
;
2782 if (!data
->bulk_tx_ep
&& usb_endpoint_is_bulk_out(ep_desc
)) {
2783 data
->bulk_tx_ep
= ep_desc
;
2787 if (!data
->bulk_rx_ep
&& usb_endpoint_is_bulk_in(ep_desc
)) {
2788 data
->bulk_rx_ep
= ep_desc
;
2793 if (!data
->intr_ep
|| !data
->bulk_tx_ep
|| !data
->bulk_rx_ep
)
2796 if (id
->driver_info
& BTUSB_AMP
) {
2797 data
->cmdreq_type
= USB_TYPE_CLASS
| 0x01;
2798 data
->cmdreq
= 0x2b;
2800 data
->cmdreq_type
= USB_TYPE_CLASS
;
2801 data
->cmdreq
= 0x00;
2804 data
->udev
= interface_to_usbdev(intf
);
2807 INIT_WORK(&data
->work
, btusb_work
);
2808 INIT_WORK(&data
->waker
, btusb_waker
);
2809 init_usb_anchor(&data
->deferred
);
2810 init_usb_anchor(&data
->tx_anchor
);
2811 spin_lock_init(&data
->txlock
);
2813 init_usb_anchor(&data
->intr_anchor
);
2814 init_usb_anchor(&data
->bulk_anchor
);
2815 init_usb_anchor(&data
->isoc_anchor
);
2816 init_usb_anchor(&data
->diag_anchor
);
2817 spin_lock_init(&data
->rxlock
);
2819 if (id
->driver_info
& BTUSB_INTEL_NEW
) {
2820 data
->recv_event
= btusb_recv_event_intel
;
2821 data
->recv_bulk
= btusb_recv_bulk_intel
;
2822 set_bit(BTUSB_BOOTLOADER
, &data
->flags
);
2824 data
->recv_event
= hci_recv_frame
;
2825 data
->recv_bulk
= btusb_recv_bulk
;
2828 hdev
= hci_alloc_dev();
2832 hdev
->bus
= HCI_USB
;
2833 hci_set_drvdata(hdev
, data
);
2835 if (id
->driver_info
& BTUSB_AMP
)
2836 hdev
->dev_type
= HCI_AMP
;
2838 hdev
->dev_type
= HCI_PRIMARY
;
2842 SET_HCIDEV_DEV(hdev
, &intf
->dev
);
2844 hdev
->open
= btusb_open
;
2845 hdev
->close
= btusb_close
;
2846 hdev
->flush
= btusb_flush
;
2847 hdev
->send
= btusb_send_frame
;
2848 hdev
->notify
= btusb_notify
;
2850 if (id
->driver_info
& BTUSB_CW6622
)
2851 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY
, &hdev
->quirks
);
2853 if (id
->driver_info
& BTUSB_BCM2045
)
2854 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY
, &hdev
->quirks
);
2856 if (id
->driver_info
& BTUSB_BCM92035
)
2857 hdev
->setup
= btusb_setup_bcm92035
;
2859 #ifdef CONFIG_BT_HCIBTUSB_BCM
2860 if (id
->driver_info
& BTUSB_BCM_PATCHRAM
) {
2861 hdev
->manufacturer
= 15;
2862 hdev
->setup
= btbcm_setup_patchram
;
2863 hdev
->set_diag
= btusb_bcm_set_diag
;
2864 hdev
->set_bdaddr
= btbcm_set_bdaddr
;
2866 /* Broadcom LM_DIAG Interface numbers are hardcoded */
2867 data
->diag
= usb_ifnum_to_if(data
->udev
, ifnum_base
+ 2);
2870 if (id
->driver_info
& BTUSB_BCM_APPLE
) {
2871 hdev
->manufacturer
= 15;
2872 hdev
->setup
= btbcm_setup_apple
;
2873 hdev
->set_diag
= btusb_bcm_set_diag
;
2875 /* Broadcom LM_DIAG Interface numbers are hardcoded */
2876 data
->diag
= usb_ifnum_to_if(data
->udev
, ifnum_base
+ 2);
2880 if (id
->driver_info
& BTUSB_INTEL
) {
2881 hdev
->manufacturer
= 2;
2882 hdev
->setup
= btusb_setup_intel
;
2883 hdev
->shutdown
= btusb_shutdown_intel
;
2884 hdev
->set_diag
= btintel_set_diag_mfg
;
2885 hdev
->set_bdaddr
= btintel_set_bdaddr
;
2886 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
2887 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY
, &hdev
->quirks
);
2888 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG
, &hdev
->quirks
);
2891 if (id
->driver_info
& BTUSB_INTEL_NEW
) {
2892 hdev
->manufacturer
= 2;
2893 hdev
->send
= btusb_send_frame_intel
;
2894 hdev
->setup
= btusb_setup_intel_new
;
2895 hdev
->hw_error
= btintel_hw_error
;
2896 hdev
->set_diag
= btintel_set_diag
;
2897 hdev
->set_bdaddr
= btintel_set_bdaddr
;
2898 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
2899 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG
, &hdev
->quirks
);
2902 if (id
->driver_info
& BTUSB_MARVELL
)
2903 hdev
->set_bdaddr
= btusb_set_bdaddr_marvell
;
2905 if (id
->driver_info
& BTUSB_SWAVE
) {
2906 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE
, &hdev
->quirks
);
2907 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS
, &hdev
->quirks
);
2910 if (id
->driver_info
& BTUSB_INTEL_BOOT
) {
2911 hdev
->manufacturer
= 2;
2912 set_bit(HCI_QUIRK_RAW_DEVICE
, &hdev
->quirks
);
2915 if (id
->driver_info
& BTUSB_ATH3012
) {
2916 hdev
->set_bdaddr
= btusb_set_bdaddr_ath3012
;
2917 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY
, &hdev
->quirks
);
2918 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
2921 if (id
->driver_info
& BTUSB_QCA_ROME
) {
2922 data
->setup_on_usb
= btusb_setup_qca
;
2923 hdev
->set_bdaddr
= btusb_set_bdaddr_ath3012
;
2926 #ifdef CONFIG_BT_HCIBTUSB_RTL
2927 if (id
->driver_info
& BTUSB_REALTEK
) {
2928 hdev
->setup
= btrtl_setup_realtek
;
2930 /* Realtek devices lose their updated firmware over suspend,
2931 * but the USB hub doesn't notice any status change.
2932 * Explicitly request a device reset on resume.
2934 set_bit(BTUSB_RESET_RESUME
, &data
->flags
);
2938 if (id
->driver_info
& BTUSB_AMP
) {
2939 /* AMP controllers do not support SCO packets */
2942 /* Interface orders are hardcoded in the specification */
2943 data
->isoc
= usb_ifnum_to_if(data
->udev
, ifnum_base
+ 1);
2947 set_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
2949 if (force_scofix
|| id
->driver_info
& BTUSB_WRONG_SCO_MTU
) {
2950 if (!disable_scofix
)
2951 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE
, &hdev
->quirks
);
2954 if (id
->driver_info
& BTUSB_BROKEN_ISOC
)
2957 if (id
->driver_info
& BTUSB_DIGIANSWER
) {
2958 data
->cmdreq_type
= USB_TYPE_VENDOR
;
2959 set_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
2962 if (id
->driver_info
& BTUSB_CSR
) {
2963 struct usb_device
*udev
= data
->udev
;
2964 u16 bcdDevice
= le16_to_cpu(udev
->descriptor
.bcdDevice
);
2966 /* Old firmware would otherwise execute USB reset */
2967 if (bcdDevice
< 0x117)
2968 set_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
2970 /* Fake CSR devices with broken commands */
2971 if (bcdDevice
<= 0x100 || bcdDevice
== 0x134)
2972 hdev
->setup
= btusb_setup_csr
;
2974 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY
, &hdev
->quirks
);
2977 if (id
->driver_info
& BTUSB_SNIFFER
) {
2978 struct usb_device
*udev
= data
->udev
;
2980 /* New sniffer firmware has crippled HCI interface */
2981 if (le16_to_cpu(udev
->descriptor
.bcdDevice
) > 0x997)
2982 set_bit(HCI_QUIRK_RAW_DEVICE
, &hdev
->quirks
);
2985 if (id
->driver_info
& BTUSB_INTEL_BOOT
) {
2986 /* A bug in the bootloader causes that interrupt interface is
2987 * only enabled after receiving SetInterface(0, AltSetting=0).
2989 err
= usb_set_interface(data
->udev
, 0, 0);
2991 BT_ERR("failed to set interface 0, alt 0 %d", err
);
2998 err
= usb_driver_claim_interface(&btusb_driver
,
3006 #ifdef CONFIG_BT_HCIBTUSB_BCM
3008 if (!usb_driver_claim_interface(&btusb_driver
,
3010 __set_diag_interface(hdev
);
3016 err
= hci_register_dev(hdev
);
3022 usb_set_intfdata(intf
, data
);
3027 static void btusb_disconnect(struct usb_interface
*intf
)
3029 struct btusb_data
*data
= usb_get_intfdata(intf
);
3030 struct hci_dev
*hdev
;
3032 BT_DBG("intf %p", intf
);
3038 usb_set_intfdata(data
->intf
, NULL
);
3041 usb_set_intfdata(data
->isoc
, NULL
);
3044 usb_set_intfdata(data
->diag
, NULL
);
3046 hci_unregister_dev(hdev
);
3048 if (intf
== data
->intf
) {
3050 usb_driver_release_interface(&btusb_driver
, data
->isoc
);
3052 usb_driver_release_interface(&btusb_driver
, data
->diag
);
3053 } else if (intf
== data
->isoc
) {
3055 usb_driver_release_interface(&btusb_driver
, data
->diag
);
3056 usb_driver_release_interface(&btusb_driver
, data
->intf
);
3057 } else if (intf
== data
->diag
) {
3058 usb_driver_release_interface(&btusb_driver
, data
->intf
);
3060 usb_driver_release_interface(&btusb_driver
, data
->isoc
);
3067 static int btusb_suspend(struct usb_interface
*intf
, pm_message_t message
)
3069 struct btusb_data
*data
= usb_get_intfdata(intf
);
3071 BT_DBG("intf %p", intf
);
3073 if (data
->suspend_count
++)
3076 spin_lock_irq(&data
->txlock
);
3077 if (!(PMSG_IS_AUTO(message
) && data
->tx_in_flight
)) {
3078 set_bit(BTUSB_SUSPENDING
, &data
->flags
);
3079 spin_unlock_irq(&data
->txlock
);
3081 spin_unlock_irq(&data
->txlock
);
3082 data
->suspend_count
--;
3086 cancel_work_sync(&data
->work
);
3088 btusb_stop_traffic(data
);
3089 usb_kill_anchored_urbs(&data
->tx_anchor
);
3091 /* Optionally request a device reset on resume, but only when
3092 * wakeups are disabled. If wakeups are enabled we assume the
3093 * device will stay powered up throughout suspend.
3095 if (test_bit(BTUSB_RESET_RESUME
, &data
->flags
) &&
3096 !device_may_wakeup(&data
->udev
->dev
))
3097 data
->udev
->reset_resume
= 1;
3102 static void play_deferred(struct btusb_data
*data
)
3107 while ((urb
= usb_get_from_anchor(&data
->deferred
))) {
3108 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
3112 data
->tx_in_flight
++;
3114 usb_scuttle_anchored_urbs(&data
->deferred
);
3117 static int btusb_resume(struct usb_interface
*intf
)
3119 struct btusb_data
*data
= usb_get_intfdata(intf
);
3120 struct hci_dev
*hdev
= data
->hdev
;
3123 BT_DBG("intf %p", intf
);
3125 if (--data
->suspend_count
)
3128 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
3131 if (test_bit(BTUSB_INTR_RUNNING
, &data
->flags
)) {
3132 err
= btusb_submit_intr_urb(hdev
, GFP_NOIO
);
3134 clear_bit(BTUSB_INTR_RUNNING
, &data
->flags
);
3139 if (test_bit(BTUSB_BULK_RUNNING
, &data
->flags
)) {
3140 err
= btusb_submit_bulk_urb(hdev
, GFP_NOIO
);
3142 clear_bit(BTUSB_BULK_RUNNING
, &data
->flags
);
3146 btusb_submit_bulk_urb(hdev
, GFP_NOIO
);
3149 if (test_bit(BTUSB_ISOC_RUNNING
, &data
->flags
)) {
3150 if (btusb_submit_isoc_urb(hdev
, GFP_NOIO
) < 0)
3151 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
3153 btusb_submit_isoc_urb(hdev
, GFP_NOIO
);
3156 spin_lock_irq(&data
->txlock
);
3157 play_deferred(data
);
3158 clear_bit(BTUSB_SUSPENDING
, &data
->flags
);
3159 spin_unlock_irq(&data
->txlock
);
3160 schedule_work(&data
->work
);
3165 usb_scuttle_anchored_urbs(&data
->deferred
);
3167 spin_lock_irq(&data
->txlock
);
3168 clear_bit(BTUSB_SUSPENDING
, &data
->flags
);
3169 spin_unlock_irq(&data
->txlock
);
3175 static struct usb_driver btusb_driver
= {
3177 .probe
= btusb_probe
,
3178 .disconnect
= btusb_disconnect
,
3180 .suspend
= btusb_suspend
,
3181 .resume
= btusb_resume
,
3183 .id_table
= btusb_table
,
3184 .supports_autosuspend
= 1,
3185 .disable_hub_initiated_lpm
= 1,
3188 module_usb_driver(btusb_driver
);
3190 module_param(disable_scofix
, bool, 0644);
3191 MODULE_PARM_DESC(disable_scofix
, "Disable fixup of wrong SCO buffer size");
3193 module_param(force_scofix
, bool, 0644);
3194 MODULE_PARM_DESC(force_scofix
, "Force fixup of wrong SCO buffers size");
3196 module_param(reset
, bool, 0644);
3197 MODULE_PARM_DESC(reset
, "Send HCI reset command on initialization");
3199 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
3200 MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION
);
3201 MODULE_VERSION(VERSION
);
3202 MODULE_LICENSE("GPL");