3 * Generic Bluetooth USB driver
5 * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #include <linux/module.h>
25 #include <linux/usb.h>
26 #include <linux/firmware.h>
27 #include <asm/unaligned.h>
29 #include <net/bluetooth/bluetooth.h>
30 #include <net/bluetooth/hci_core.h>
38 static bool disable_scofix
;
39 static bool force_scofix
;
41 static bool reset
= true;
43 static struct usb_driver btusb_driver
;
45 #define BTUSB_IGNORE 0x01
46 #define BTUSB_DIGIANSWER 0x02
47 #define BTUSB_CSR 0x04
48 #define BTUSB_SNIFFER 0x08
49 #define BTUSB_BCM92035 0x10
50 #define BTUSB_BROKEN_ISOC 0x20
51 #define BTUSB_WRONG_SCO_MTU 0x40
52 #define BTUSB_ATH3012 0x80
53 #define BTUSB_INTEL 0x100
54 #define BTUSB_INTEL_BOOT 0x200
55 #define BTUSB_BCM_PATCHRAM 0x400
56 #define BTUSB_MARVELL 0x800
57 #define BTUSB_SWAVE 0x1000
58 #define BTUSB_INTEL_NEW 0x2000
59 #define BTUSB_AMP 0x4000
60 #define BTUSB_QCA_ROME 0x8000
61 #define BTUSB_BCM_APPLE 0x10000
62 #define BTUSB_REALTEK 0x20000
63 #define BTUSB_BCM2045 0x40000
64 #define BTUSB_IFNUM_2 0x80000
66 static const struct usb_device_id btusb_table
[] = {
67 /* Generic Bluetooth USB device */
68 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
70 /* Generic Bluetooth AMP device */
71 { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info
= BTUSB_AMP
},
73 /* Generic Bluetooth USB interface */
74 { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) },
76 /* Apple-specific (Broadcom) devices */
77 { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01),
78 .driver_info
= BTUSB_BCM_APPLE
| BTUSB_IFNUM_2
},
80 /* MediaTek MT76x0E */
81 { USB_DEVICE(0x0e8d, 0x763f) },
83 /* Broadcom SoftSailing reporting vendor specific */
84 { USB_DEVICE(0x0a5c, 0x21e1) },
86 /* Apple MacBookPro 7,1 */
87 { USB_DEVICE(0x05ac, 0x8213) },
90 { USB_DEVICE(0x05ac, 0x8215) },
92 /* Apple MacBookPro6,2 */
93 { USB_DEVICE(0x05ac, 0x8218) },
95 /* Apple MacBookAir3,1, MacBookAir3,2 */
96 { USB_DEVICE(0x05ac, 0x821b) },
98 /* Apple MacBookAir4,1 */
99 { USB_DEVICE(0x05ac, 0x821f) },
101 /* Apple MacBookPro8,2 */
102 { USB_DEVICE(0x05ac, 0x821a) },
104 /* Apple MacMini5,1 */
105 { USB_DEVICE(0x05ac, 0x8281) },
107 /* AVM BlueFRITZ! USB v2.0 */
108 { USB_DEVICE(0x057c, 0x3800), .driver_info
= BTUSB_SWAVE
},
110 /* Bluetooth Ultraport Module from IBM */
111 { USB_DEVICE(0x04bf, 0x030a) },
113 /* ALPS Modules with non-standard id */
114 { USB_DEVICE(0x044e, 0x3001) },
115 { USB_DEVICE(0x044e, 0x3002) },
117 /* Ericsson with non-standard id */
118 { USB_DEVICE(0x0bdb, 0x1002) },
120 /* Canyon CN-BTU1 with HID interfaces */
121 { USB_DEVICE(0x0c10, 0x0000) },
123 /* Broadcom BCM20702A0 */
124 { USB_DEVICE(0x413c, 0x8197) },
126 /* Broadcom BCM20702B0 (Dynex/Insignia) */
127 { USB_DEVICE(0x19ff, 0x0239), .driver_info
= BTUSB_BCM_PATCHRAM
},
129 /* Broadcom BCM43142A0 (Foxconn/Lenovo) */
130 { USB_DEVICE(0x105b, 0xe065), .driver_info
= BTUSB_BCM_PATCHRAM
},
132 /* Foxconn - Hon Hai */
133 { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
134 .driver_info
= BTUSB_BCM_PATCHRAM
},
136 /* Lite-On Technology - Broadcom based */
137 { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01),
138 .driver_info
= BTUSB_BCM_PATCHRAM
},
140 /* Broadcom devices with vendor specific id */
141 { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01),
142 .driver_info
= BTUSB_BCM_PATCHRAM
},
144 /* ASUSTek Computer - Broadcom based */
145 { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01),
146 .driver_info
= BTUSB_BCM_PATCHRAM
},
148 /* Belkin F8065bf - Broadcom based */
149 { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01),
150 .driver_info
= BTUSB_BCM_PATCHRAM
},
152 /* IMC Networks - Broadcom based */
153 { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01),
154 .driver_info
= BTUSB_BCM_PATCHRAM
},
156 /* Toshiba Corp - Broadcom based */
157 { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01),
158 .driver_info
= BTUSB_BCM_PATCHRAM
},
160 /* Intel Bluetooth USB Bootloader (RAM module) */
161 { USB_DEVICE(0x8087, 0x0a5a),
162 .driver_info
= BTUSB_INTEL_BOOT
| BTUSB_BROKEN_ISOC
},
164 { } /* Terminating entry */
167 MODULE_DEVICE_TABLE(usb
, btusb_table
);
169 static const struct usb_device_id blacklist_table
[] = {
170 /* CSR BlueCore devices */
171 { USB_DEVICE(0x0a12, 0x0001), .driver_info
= BTUSB_CSR
},
173 /* Broadcom BCM2033 without firmware */
174 { USB_DEVICE(0x0a5c, 0x2033), .driver_info
= BTUSB_IGNORE
},
176 /* Broadcom BCM2045 devices */
177 { USB_DEVICE(0x0a5c, 0x2045), .driver_info
= BTUSB_BCM2045
},
179 /* Atheros 3011 with sflash firmware */
180 { USB_DEVICE(0x0489, 0xe027), .driver_info
= BTUSB_IGNORE
},
181 { USB_DEVICE(0x0489, 0xe03d), .driver_info
= BTUSB_IGNORE
},
182 { USB_DEVICE(0x04f2, 0xaff1), .driver_info
= BTUSB_IGNORE
},
183 { USB_DEVICE(0x0930, 0x0215), .driver_info
= BTUSB_IGNORE
},
184 { USB_DEVICE(0x0cf3, 0x3002), .driver_info
= BTUSB_IGNORE
},
185 { USB_DEVICE(0x0cf3, 0xe019), .driver_info
= BTUSB_IGNORE
},
186 { USB_DEVICE(0x13d3, 0x3304), .driver_info
= BTUSB_IGNORE
},
188 /* Atheros AR9285 Malbec with sflash firmware */
189 { USB_DEVICE(0x03f0, 0x311d), .driver_info
= BTUSB_IGNORE
},
191 /* Atheros 3012 with sflash firmware */
192 { USB_DEVICE(0x0489, 0xe04d), .driver_info
= BTUSB_ATH3012
},
193 { USB_DEVICE(0x0489, 0xe04e), .driver_info
= BTUSB_ATH3012
},
194 { USB_DEVICE(0x0489, 0xe056), .driver_info
= BTUSB_ATH3012
},
195 { USB_DEVICE(0x0489, 0xe057), .driver_info
= BTUSB_ATH3012
},
196 { USB_DEVICE(0x0489, 0xe05f), .driver_info
= BTUSB_ATH3012
},
197 { USB_DEVICE(0x0489, 0xe076), .driver_info
= BTUSB_ATH3012
},
198 { USB_DEVICE(0x0489, 0xe078), .driver_info
= BTUSB_ATH3012
},
199 { USB_DEVICE(0x0489, 0xe095), .driver_info
= BTUSB_ATH3012
},
200 { USB_DEVICE(0x04c5, 0x1330), .driver_info
= BTUSB_ATH3012
},
201 { USB_DEVICE(0x04ca, 0x3004), .driver_info
= BTUSB_ATH3012
},
202 { USB_DEVICE(0x04ca, 0x3005), .driver_info
= BTUSB_ATH3012
},
203 { USB_DEVICE(0x04ca, 0x3006), .driver_info
= BTUSB_ATH3012
},
204 { USB_DEVICE(0x04ca, 0x3007), .driver_info
= BTUSB_ATH3012
},
205 { USB_DEVICE(0x04ca, 0x3008), .driver_info
= BTUSB_ATH3012
},
206 { USB_DEVICE(0x04ca, 0x300b), .driver_info
= BTUSB_ATH3012
},
207 { USB_DEVICE(0x04ca, 0x300d), .driver_info
= BTUSB_ATH3012
},
208 { USB_DEVICE(0x04ca, 0x300f), .driver_info
= BTUSB_ATH3012
},
209 { USB_DEVICE(0x04ca, 0x3010), .driver_info
= BTUSB_ATH3012
},
210 { USB_DEVICE(0x04ca, 0x3014), .driver_info
= BTUSB_ATH3012
},
211 { USB_DEVICE(0x0930, 0x0219), .driver_info
= BTUSB_ATH3012
},
212 { USB_DEVICE(0x0930, 0x021c), .driver_info
= BTUSB_ATH3012
},
213 { USB_DEVICE(0x0930, 0x0220), .driver_info
= BTUSB_ATH3012
},
214 { USB_DEVICE(0x0930, 0x0227), .driver_info
= BTUSB_ATH3012
},
215 { USB_DEVICE(0x0b05, 0x17d0), .driver_info
= BTUSB_ATH3012
},
216 { USB_DEVICE(0x0cf3, 0x0036), .driver_info
= BTUSB_ATH3012
},
217 { USB_DEVICE(0x0cf3, 0x3004), .driver_info
= BTUSB_ATH3012
},
218 { USB_DEVICE(0x0cf3, 0x3008), .driver_info
= BTUSB_ATH3012
},
219 { USB_DEVICE(0x0cf3, 0x311d), .driver_info
= BTUSB_ATH3012
},
220 { USB_DEVICE(0x0cf3, 0x311e), .driver_info
= BTUSB_ATH3012
},
221 { USB_DEVICE(0x0cf3, 0x311f), .driver_info
= BTUSB_ATH3012
},
222 { USB_DEVICE(0x0cf3, 0x3121), .driver_info
= BTUSB_ATH3012
},
223 { USB_DEVICE(0x0cf3, 0x817a), .driver_info
= BTUSB_ATH3012
},
224 { USB_DEVICE(0x0cf3, 0x817b), .driver_info
= BTUSB_ATH3012
},
225 { USB_DEVICE(0x0cf3, 0xe003), .driver_info
= BTUSB_ATH3012
},
226 { USB_DEVICE(0x0cf3, 0xe004), .driver_info
= BTUSB_ATH3012
},
227 { USB_DEVICE(0x0cf3, 0xe005), .driver_info
= BTUSB_ATH3012
},
228 { USB_DEVICE(0x0cf3, 0xe006), .driver_info
= BTUSB_ATH3012
},
229 { USB_DEVICE(0x13d3, 0x3362), .driver_info
= BTUSB_ATH3012
},
230 { USB_DEVICE(0x13d3, 0x3375), .driver_info
= BTUSB_ATH3012
},
231 { USB_DEVICE(0x13d3, 0x3393), .driver_info
= BTUSB_ATH3012
},
232 { USB_DEVICE(0x13d3, 0x3395), .driver_info
= BTUSB_ATH3012
},
233 { USB_DEVICE(0x13d3, 0x3402), .driver_info
= BTUSB_ATH3012
},
234 { USB_DEVICE(0x13d3, 0x3408), .driver_info
= BTUSB_ATH3012
},
235 { USB_DEVICE(0x13d3, 0x3423), .driver_info
= BTUSB_ATH3012
},
236 { USB_DEVICE(0x13d3, 0x3432), .driver_info
= BTUSB_ATH3012
},
237 { USB_DEVICE(0x13d3, 0x3472), .driver_info
= BTUSB_ATH3012
},
238 { USB_DEVICE(0x13d3, 0x3474), .driver_info
= BTUSB_ATH3012
},
239 { USB_DEVICE(0x13d3, 0x3487), .driver_info
= BTUSB_ATH3012
},
241 /* Atheros AR5BBU12 with sflash firmware */
242 { USB_DEVICE(0x0489, 0xe02c), .driver_info
= BTUSB_IGNORE
},
244 /* Atheros AR5BBU12 with sflash firmware */
245 { USB_DEVICE(0x0489, 0xe036), .driver_info
= BTUSB_ATH3012
},
246 { USB_DEVICE(0x0489, 0xe03c), .driver_info
= BTUSB_ATH3012
},
248 /* QCA ROME chipset */
249 { USB_DEVICE(0x0cf3, 0xe007), .driver_info
= BTUSB_QCA_ROME
},
250 { USB_DEVICE(0x0cf3, 0xe300), .driver_info
= BTUSB_QCA_ROME
},
251 { USB_DEVICE(0x0cf3, 0xe360), .driver_info
= BTUSB_QCA_ROME
},
253 /* Broadcom BCM2035 */
254 { USB_DEVICE(0x0a5c, 0x2009), .driver_info
= BTUSB_BCM92035
},
255 { USB_DEVICE(0x0a5c, 0x200a), .driver_info
= BTUSB_WRONG_SCO_MTU
},
256 { USB_DEVICE(0x0a5c, 0x2035), .driver_info
= BTUSB_WRONG_SCO_MTU
},
258 /* Broadcom BCM2045 */
259 { USB_DEVICE(0x0a5c, 0x2039), .driver_info
= BTUSB_WRONG_SCO_MTU
},
260 { USB_DEVICE(0x0a5c, 0x2101), .driver_info
= BTUSB_WRONG_SCO_MTU
},
262 /* IBM/Lenovo ThinkPad with Broadcom chip */
263 { USB_DEVICE(0x0a5c, 0x201e), .driver_info
= BTUSB_WRONG_SCO_MTU
},
264 { USB_DEVICE(0x0a5c, 0x2110), .driver_info
= BTUSB_WRONG_SCO_MTU
},
266 /* HP laptop with Broadcom chip */
267 { USB_DEVICE(0x03f0, 0x171d), .driver_info
= BTUSB_WRONG_SCO_MTU
},
269 /* Dell laptop with Broadcom chip */
270 { USB_DEVICE(0x413c, 0x8126), .driver_info
= BTUSB_WRONG_SCO_MTU
},
272 /* Dell Wireless 370 and 410 devices */
273 { USB_DEVICE(0x413c, 0x8152), .driver_info
= BTUSB_WRONG_SCO_MTU
},
274 { USB_DEVICE(0x413c, 0x8156), .driver_info
= BTUSB_WRONG_SCO_MTU
},
276 /* Belkin F8T012 and F8T013 devices */
277 { USB_DEVICE(0x050d, 0x0012), .driver_info
= BTUSB_WRONG_SCO_MTU
},
278 { USB_DEVICE(0x050d, 0x0013), .driver_info
= BTUSB_WRONG_SCO_MTU
},
280 /* Asus WL-BTD202 device */
281 { USB_DEVICE(0x0b05, 0x1715), .driver_info
= BTUSB_WRONG_SCO_MTU
},
283 /* Kensington Bluetooth USB adapter */
284 { USB_DEVICE(0x047d, 0x105e), .driver_info
= BTUSB_WRONG_SCO_MTU
},
286 /* RTX Telecom based adapters with buggy SCO support */
287 { USB_DEVICE(0x0400, 0x0807), .driver_info
= BTUSB_BROKEN_ISOC
},
288 { USB_DEVICE(0x0400, 0x080a), .driver_info
= BTUSB_BROKEN_ISOC
},
290 /* CONWISE Technology based adapters with buggy SCO support */
291 { USB_DEVICE(0x0e5e, 0x6622), .driver_info
= BTUSB_BROKEN_ISOC
},
293 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
294 { USB_DEVICE(0x1310, 0x0001), .driver_info
= BTUSB_SWAVE
},
296 /* Digianswer devices */
297 { USB_DEVICE(0x08fd, 0x0001), .driver_info
= BTUSB_DIGIANSWER
},
298 { USB_DEVICE(0x08fd, 0x0002), .driver_info
= BTUSB_IGNORE
},
300 /* CSR BlueCore Bluetooth Sniffer */
301 { USB_DEVICE(0x0a12, 0x0002),
302 .driver_info
= BTUSB_SNIFFER
| BTUSB_BROKEN_ISOC
},
304 /* Frontline ComProbe Bluetooth Sniffer */
305 { USB_DEVICE(0x16d3, 0x0002),
306 .driver_info
= BTUSB_SNIFFER
| BTUSB_BROKEN_ISOC
},
308 /* Marvell Bluetooth devices */
309 { USB_DEVICE(0x1286, 0x2044), .driver_info
= BTUSB_MARVELL
},
310 { USB_DEVICE(0x1286, 0x2046), .driver_info
= BTUSB_MARVELL
},
312 /* Intel Bluetooth devices */
313 { USB_DEVICE(0x8087, 0x07da), .driver_info
= BTUSB_CSR
},
314 { USB_DEVICE(0x8087, 0x07dc), .driver_info
= BTUSB_INTEL
},
315 { USB_DEVICE(0x8087, 0x0a2a), .driver_info
= BTUSB_INTEL
},
316 { USB_DEVICE(0x8087, 0x0a2b), .driver_info
= BTUSB_INTEL_NEW
},
318 /* Other Intel Bluetooth devices */
319 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
320 .driver_info
= BTUSB_IGNORE
},
322 /* Realtek Bluetooth devices */
323 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
324 .driver_info
= BTUSB_REALTEK
},
326 /* Additional Realtek 8723AE Bluetooth devices */
327 { USB_DEVICE(0x0930, 0x021d), .driver_info
= BTUSB_REALTEK
},
328 { USB_DEVICE(0x13d3, 0x3394), .driver_info
= BTUSB_REALTEK
},
330 /* Additional Realtek 8723BE Bluetooth devices */
331 { USB_DEVICE(0x0489, 0xe085), .driver_info
= BTUSB_REALTEK
},
332 { USB_DEVICE(0x0489, 0xe08b), .driver_info
= BTUSB_REALTEK
},
333 { USB_DEVICE(0x13d3, 0x3410), .driver_info
= BTUSB_REALTEK
},
334 { USB_DEVICE(0x13d3, 0x3416), .driver_info
= BTUSB_REALTEK
},
335 { USB_DEVICE(0x13d3, 0x3459), .driver_info
= BTUSB_REALTEK
},
337 /* Additional Realtek 8821AE Bluetooth devices */
338 { USB_DEVICE(0x0b05, 0x17dc), .driver_info
= BTUSB_REALTEK
},
339 { USB_DEVICE(0x13d3, 0x3414), .driver_info
= BTUSB_REALTEK
},
340 { USB_DEVICE(0x13d3, 0x3458), .driver_info
= BTUSB_REALTEK
},
341 { USB_DEVICE(0x13d3, 0x3461), .driver_info
= BTUSB_REALTEK
},
342 { USB_DEVICE(0x13d3, 0x3462), .driver_info
= BTUSB_REALTEK
},
344 /* Silicon Wave based devices */
345 { USB_DEVICE(0x0c10, 0x0000), .driver_info
= BTUSB_SWAVE
},
347 { } /* Terminating entry */
350 #define BTUSB_MAX_ISOC_FRAMES 10
352 #define BTUSB_INTR_RUNNING 0
353 #define BTUSB_BULK_RUNNING 1
354 #define BTUSB_ISOC_RUNNING 2
355 #define BTUSB_SUSPENDING 3
356 #define BTUSB_DID_ISO_RESUME 4
357 #define BTUSB_BOOTLOADER 5
358 #define BTUSB_DOWNLOADING 6
359 #define BTUSB_FIRMWARE_LOADED 7
360 #define BTUSB_FIRMWARE_FAILED 8
361 #define BTUSB_BOOTING 9
362 #define BTUSB_RESET_RESUME 10
363 #define BTUSB_DIAG_RUNNING 11
366 struct hci_dev
*hdev
;
367 struct usb_device
*udev
;
368 struct usb_interface
*intf
;
369 struct usb_interface
*isoc
;
370 struct usb_interface
*diag
;
374 struct work_struct work
;
375 struct work_struct waker
;
377 struct usb_anchor deferred
;
378 struct usb_anchor tx_anchor
;
382 struct usb_anchor intr_anchor
;
383 struct usb_anchor bulk_anchor
;
384 struct usb_anchor isoc_anchor
;
385 struct usb_anchor diag_anchor
;
388 struct sk_buff
*evt_skb
;
389 struct sk_buff
*acl_skb
;
390 struct sk_buff
*sco_skb
;
392 struct usb_endpoint_descriptor
*intr_ep
;
393 struct usb_endpoint_descriptor
*bulk_tx_ep
;
394 struct usb_endpoint_descriptor
*bulk_rx_ep
;
395 struct usb_endpoint_descriptor
*isoc_tx_ep
;
396 struct usb_endpoint_descriptor
*isoc_rx_ep
;
397 struct usb_endpoint_descriptor
*diag_tx_ep
;
398 struct usb_endpoint_descriptor
*diag_rx_ep
;
403 unsigned int sco_num
;
407 int (*recv_event
)(struct hci_dev
*hdev
, struct sk_buff
*skb
);
408 int (*recv_bulk
)(struct btusb_data
*data
, void *buffer
, int count
);
410 int (*setup_on_usb
)(struct hci_dev
*hdev
);
413 static inline void btusb_free_frags(struct btusb_data
*data
)
417 spin_lock_irqsave(&data
->rxlock
, flags
);
419 kfree_skb(data
->evt_skb
);
420 data
->evt_skb
= NULL
;
422 kfree_skb(data
->acl_skb
);
423 data
->acl_skb
= NULL
;
425 kfree_skb(data
->sco_skb
);
426 data
->sco_skb
= NULL
;
428 spin_unlock_irqrestore(&data
->rxlock
, flags
);
431 static int btusb_recv_intr(struct btusb_data
*data
, void *buffer
, int count
)
436 spin_lock(&data
->rxlock
);
443 skb
= bt_skb_alloc(HCI_MAX_EVENT_SIZE
, GFP_ATOMIC
);
449 hci_skb_pkt_type(skb
) = HCI_EVENT_PKT
;
450 hci_skb_expect(skb
) = HCI_EVENT_HDR_SIZE
;
453 len
= min_t(uint
, hci_skb_expect(skb
), count
);
454 memcpy(skb_put(skb
, len
), buffer
, len
);
458 hci_skb_expect(skb
) -= len
;
460 if (skb
->len
== HCI_EVENT_HDR_SIZE
) {
461 /* Complete event header */
462 hci_skb_expect(skb
) = hci_event_hdr(skb
)->plen
;
464 if (skb_tailroom(skb
) < hci_skb_expect(skb
)) {
473 if (!hci_skb_expect(skb
)) {
475 data
->recv_event(data
->hdev
, skb
);
481 spin_unlock(&data
->rxlock
);
486 static int btusb_recv_bulk(struct btusb_data
*data
, void *buffer
, int count
)
491 spin_lock(&data
->rxlock
);
498 skb
= bt_skb_alloc(HCI_MAX_FRAME_SIZE
, GFP_ATOMIC
);
504 hci_skb_pkt_type(skb
) = HCI_ACLDATA_PKT
;
505 hci_skb_expect(skb
) = HCI_ACL_HDR_SIZE
;
508 len
= min_t(uint
, hci_skb_expect(skb
), count
);
509 memcpy(skb_put(skb
, len
), buffer
, len
);
513 hci_skb_expect(skb
) -= len
;
515 if (skb
->len
== HCI_ACL_HDR_SIZE
) {
516 __le16 dlen
= hci_acl_hdr(skb
)->dlen
;
518 /* Complete ACL header */
519 hci_skb_expect(skb
) = __le16_to_cpu(dlen
);
521 if (skb_tailroom(skb
) < hci_skb_expect(skb
)) {
530 if (!hci_skb_expect(skb
)) {
532 hci_recv_frame(data
->hdev
, skb
);
538 spin_unlock(&data
->rxlock
);
543 static int btusb_recv_isoc(struct btusb_data
*data
, void *buffer
, int count
)
548 spin_lock(&data
->rxlock
);
555 skb
= bt_skb_alloc(HCI_MAX_SCO_SIZE
, GFP_ATOMIC
);
561 hci_skb_pkt_type(skb
) = HCI_SCODATA_PKT
;
562 hci_skb_expect(skb
) = HCI_SCO_HDR_SIZE
;
565 len
= min_t(uint
, hci_skb_expect(skb
), count
);
566 memcpy(skb_put(skb
, len
), buffer
, len
);
570 hci_skb_expect(skb
) -= len
;
572 if (skb
->len
== HCI_SCO_HDR_SIZE
) {
573 /* Complete SCO header */
574 hci_skb_expect(skb
) = hci_sco_hdr(skb
)->dlen
;
576 if (skb_tailroom(skb
) < hci_skb_expect(skb
)) {
585 if (!hci_skb_expect(skb
)) {
587 hci_recv_frame(data
->hdev
, skb
);
593 spin_unlock(&data
->rxlock
);
598 static void btusb_intr_complete(struct urb
*urb
)
600 struct hci_dev
*hdev
= urb
->context
;
601 struct btusb_data
*data
= hci_get_drvdata(hdev
);
604 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
607 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
610 if (urb
->status
== 0) {
611 hdev
->stat
.byte_rx
+= urb
->actual_length
;
613 if (btusb_recv_intr(data
, urb
->transfer_buffer
,
614 urb
->actual_length
) < 0) {
615 BT_ERR("%s corrupted event packet", hdev
->name
);
618 } else if (urb
->status
== -ENOENT
) {
619 /* Avoid suspend failed when usb_kill_urb */
623 if (!test_bit(BTUSB_INTR_RUNNING
, &data
->flags
))
626 usb_mark_last_busy(data
->udev
);
627 usb_anchor_urb(urb
, &data
->intr_anchor
);
629 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
631 /* -EPERM: urb is being killed;
632 * -ENODEV: device got disconnected */
633 if (err
!= -EPERM
&& err
!= -ENODEV
)
634 BT_ERR("%s urb %p failed to resubmit (%d)",
635 hdev
->name
, urb
, -err
);
636 usb_unanchor_urb(urb
);
640 static int btusb_submit_intr_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
642 struct btusb_data
*data
= hci_get_drvdata(hdev
);
648 BT_DBG("%s", hdev
->name
);
653 urb
= usb_alloc_urb(0, mem_flags
);
657 size
= le16_to_cpu(data
->intr_ep
->wMaxPacketSize
);
659 buf
= kmalloc(size
, mem_flags
);
665 pipe
= usb_rcvintpipe(data
->udev
, data
->intr_ep
->bEndpointAddress
);
667 usb_fill_int_urb(urb
, data
->udev
, pipe
, buf
, size
,
668 btusb_intr_complete
, hdev
, data
->intr_ep
->bInterval
);
670 urb
->transfer_flags
|= URB_FREE_BUFFER
;
672 usb_anchor_urb(urb
, &data
->intr_anchor
);
674 err
= usb_submit_urb(urb
, mem_flags
);
676 if (err
!= -EPERM
&& err
!= -ENODEV
)
677 BT_ERR("%s urb %p submission failed (%d)",
678 hdev
->name
, urb
, -err
);
679 usb_unanchor_urb(urb
);
687 static void btusb_bulk_complete(struct urb
*urb
)
689 struct hci_dev
*hdev
= urb
->context
;
690 struct btusb_data
*data
= hci_get_drvdata(hdev
);
693 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
696 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
699 if (urb
->status
== 0) {
700 hdev
->stat
.byte_rx
+= urb
->actual_length
;
702 if (data
->recv_bulk(data
, urb
->transfer_buffer
,
703 urb
->actual_length
) < 0) {
704 BT_ERR("%s corrupted ACL packet", hdev
->name
);
707 } else if (urb
->status
== -ENOENT
) {
708 /* Avoid suspend failed when usb_kill_urb */
712 if (!test_bit(BTUSB_BULK_RUNNING
, &data
->flags
))
715 usb_anchor_urb(urb
, &data
->bulk_anchor
);
716 usb_mark_last_busy(data
->udev
);
718 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
720 /* -EPERM: urb is being killed;
721 * -ENODEV: device got disconnected */
722 if (err
!= -EPERM
&& err
!= -ENODEV
)
723 BT_ERR("%s urb %p failed to resubmit (%d)",
724 hdev
->name
, urb
, -err
);
725 usb_unanchor_urb(urb
);
729 static int btusb_submit_bulk_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
731 struct btusb_data
*data
= hci_get_drvdata(hdev
);
735 int err
, size
= HCI_MAX_FRAME_SIZE
;
737 BT_DBG("%s", hdev
->name
);
739 if (!data
->bulk_rx_ep
)
742 urb
= usb_alloc_urb(0, mem_flags
);
746 buf
= kmalloc(size
, mem_flags
);
752 pipe
= usb_rcvbulkpipe(data
->udev
, data
->bulk_rx_ep
->bEndpointAddress
);
754 usb_fill_bulk_urb(urb
, data
->udev
, pipe
, buf
, size
,
755 btusb_bulk_complete
, hdev
);
757 urb
->transfer_flags
|= URB_FREE_BUFFER
;
759 usb_mark_last_busy(data
->udev
);
760 usb_anchor_urb(urb
, &data
->bulk_anchor
);
762 err
= usb_submit_urb(urb
, mem_flags
);
764 if (err
!= -EPERM
&& err
!= -ENODEV
)
765 BT_ERR("%s urb %p submission failed (%d)",
766 hdev
->name
, urb
, -err
);
767 usb_unanchor_urb(urb
);
775 static void btusb_isoc_complete(struct urb
*urb
)
777 struct hci_dev
*hdev
= urb
->context
;
778 struct btusb_data
*data
= hci_get_drvdata(hdev
);
781 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
784 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
787 if (urb
->status
== 0) {
788 for (i
= 0; i
< urb
->number_of_packets
; i
++) {
789 unsigned int offset
= urb
->iso_frame_desc
[i
].offset
;
790 unsigned int length
= urb
->iso_frame_desc
[i
].actual_length
;
792 if (urb
->iso_frame_desc
[i
].status
)
795 hdev
->stat
.byte_rx
+= length
;
797 if (btusb_recv_isoc(data
, urb
->transfer_buffer
+ offset
,
799 BT_ERR("%s corrupted SCO packet", hdev
->name
);
803 } else if (urb
->status
== -ENOENT
) {
804 /* Avoid suspend failed when usb_kill_urb */
808 if (!test_bit(BTUSB_ISOC_RUNNING
, &data
->flags
))
811 usb_anchor_urb(urb
, &data
->isoc_anchor
);
813 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
815 /* -EPERM: urb is being killed;
816 * -ENODEV: device got disconnected */
817 if (err
!= -EPERM
&& err
!= -ENODEV
)
818 BT_ERR("%s urb %p failed to resubmit (%d)",
819 hdev
->name
, urb
, -err
);
820 usb_unanchor_urb(urb
);
824 static inline void __fill_isoc_descriptor(struct urb
*urb
, int len
, int mtu
)
828 BT_DBG("len %d mtu %d", len
, mtu
);
830 for (i
= 0; i
< BTUSB_MAX_ISOC_FRAMES
&& len
>= mtu
;
831 i
++, offset
+= mtu
, len
-= mtu
) {
832 urb
->iso_frame_desc
[i
].offset
= offset
;
833 urb
->iso_frame_desc
[i
].length
= mtu
;
836 if (len
&& i
< BTUSB_MAX_ISOC_FRAMES
) {
837 urb
->iso_frame_desc
[i
].offset
= offset
;
838 urb
->iso_frame_desc
[i
].length
= len
;
842 urb
->number_of_packets
= i
;
845 static int btusb_submit_isoc_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
847 struct btusb_data
*data
= hci_get_drvdata(hdev
);
853 BT_DBG("%s", hdev
->name
);
855 if (!data
->isoc_rx_ep
)
858 urb
= usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES
, mem_flags
);
862 size
= le16_to_cpu(data
->isoc_rx_ep
->wMaxPacketSize
) *
863 BTUSB_MAX_ISOC_FRAMES
;
865 buf
= kmalloc(size
, mem_flags
);
871 pipe
= usb_rcvisocpipe(data
->udev
, data
->isoc_rx_ep
->bEndpointAddress
);
873 usb_fill_int_urb(urb
, data
->udev
, pipe
, buf
, size
, btusb_isoc_complete
,
874 hdev
, data
->isoc_rx_ep
->bInterval
);
876 urb
->transfer_flags
= URB_FREE_BUFFER
| URB_ISO_ASAP
;
878 __fill_isoc_descriptor(urb
, size
,
879 le16_to_cpu(data
->isoc_rx_ep
->wMaxPacketSize
));
881 usb_anchor_urb(urb
, &data
->isoc_anchor
);
883 err
= usb_submit_urb(urb
, mem_flags
);
885 if (err
!= -EPERM
&& err
!= -ENODEV
)
886 BT_ERR("%s urb %p submission failed (%d)",
887 hdev
->name
, urb
, -err
);
888 usb_unanchor_urb(urb
);
896 static void btusb_diag_complete(struct urb
*urb
)
898 struct hci_dev
*hdev
= urb
->context
;
899 struct btusb_data
*data
= hci_get_drvdata(hdev
);
902 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
905 if (urb
->status
== 0) {
908 skb
= bt_skb_alloc(urb
->actual_length
, GFP_ATOMIC
);
910 memcpy(skb_put(skb
, urb
->actual_length
),
911 urb
->transfer_buffer
, urb
->actual_length
);
912 hci_recv_diag(hdev
, skb
);
914 } else if (urb
->status
== -ENOENT
) {
915 /* Avoid suspend failed when usb_kill_urb */
919 if (!test_bit(BTUSB_DIAG_RUNNING
, &data
->flags
))
922 usb_anchor_urb(urb
, &data
->diag_anchor
);
923 usb_mark_last_busy(data
->udev
);
925 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
927 /* -EPERM: urb is being killed;
928 * -ENODEV: device got disconnected */
929 if (err
!= -EPERM
&& err
!= -ENODEV
)
930 BT_ERR("%s urb %p failed to resubmit (%d)",
931 hdev
->name
, urb
, -err
);
932 usb_unanchor_urb(urb
);
936 static int btusb_submit_diag_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
938 struct btusb_data
*data
= hci_get_drvdata(hdev
);
942 int err
, size
= HCI_MAX_FRAME_SIZE
;
944 BT_DBG("%s", hdev
->name
);
946 if (!data
->diag_rx_ep
)
949 urb
= usb_alloc_urb(0, mem_flags
);
953 buf
= kmalloc(size
, mem_flags
);
959 pipe
= usb_rcvbulkpipe(data
->udev
, data
->diag_rx_ep
->bEndpointAddress
);
961 usb_fill_bulk_urb(urb
, data
->udev
, pipe
, buf
, size
,
962 btusb_diag_complete
, hdev
);
964 urb
->transfer_flags
|= URB_FREE_BUFFER
;
966 usb_mark_last_busy(data
->udev
);
967 usb_anchor_urb(urb
, &data
->diag_anchor
);
969 err
= usb_submit_urb(urb
, mem_flags
);
971 if (err
!= -EPERM
&& err
!= -ENODEV
)
972 BT_ERR("%s urb %p submission failed (%d)",
973 hdev
->name
, urb
, -err
);
974 usb_unanchor_urb(urb
);
982 static void btusb_tx_complete(struct urb
*urb
)
984 struct sk_buff
*skb
= urb
->context
;
985 struct hci_dev
*hdev
= (struct hci_dev
*)skb
->dev
;
986 struct btusb_data
*data
= hci_get_drvdata(hdev
);
988 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
991 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
995 hdev
->stat
.byte_tx
+= urb
->transfer_buffer_length
;
1000 spin_lock(&data
->txlock
);
1001 data
->tx_in_flight
--;
1002 spin_unlock(&data
->txlock
);
1004 kfree(urb
->setup_packet
);
1009 static void btusb_isoc_tx_complete(struct urb
*urb
)
1011 struct sk_buff
*skb
= urb
->context
;
1012 struct hci_dev
*hdev
= (struct hci_dev
*)skb
->dev
;
1014 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
1015 urb
->actual_length
);
1017 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
1021 hdev
->stat
.byte_tx
+= urb
->transfer_buffer_length
;
1023 hdev
->stat
.err_tx
++;
1026 kfree(urb
->setup_packet
);
1031 static int btusb_open(struct hci_dev
*hdev
)
1033 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1036 BT_DBG("%s", hdev
->name
);
1038 /* Patching USB firmware files prior to starting any URBs of HCI path
1039 * It is more safe to use USB bulk channel for downloading USB patch
1041 if (data
->setup_on_usb
) {
1042 err
= data
->setup_on_usb(hdev
);
1047 err
= usb_autopm_get_interface(data
->intf
);
1051 data
->intf
->needs_remote_wakeup
= 1;
1053 if (test_and_set_bit(BTUSB_INTR_RUNNING
, &data
->flags
))
1056 err
= btusb_submit_intr_urb(hdev
, GFP_KERNEL
);
1060 err
= btusb_submit_bulk_urb(hdev
, GFP_KERNEL
);
1062 usb_kill_anchored_urbs(&data
->intr_anchor
);
1066 set_bit(BTUSB_BULK_RUNNING
, &data
->flags
);
1067 btusb_submit_bulk_urb(hdev
, GFP_KERNEL
);
1070 if (!btusb_submit_diag_urb(hdev
, GFP_KERNEL
))
1071 set_bit(BTUSB_DIAG_RUNNING
, &data
->flags
);
1075 usb_autopm_put_interface(data
->intf
);
1079 clear_bit(BTUSB_INTR_RUNNING
, &data
->flags
);
1080 usb_autopm_put_interface(data
->intf
);
1084 static void btusb_stop_traffic(struct btusb_data
*data
)
1086 usb_kill_anchored_urbs(&data
->intr_anchor
);
1087 usb_kill_anchored_urbs(&data
->bulk_anchor
);
1088 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1089 usb_kill_anchored_urbs(&data
->diag_anchor
);
1092 static int btusb_close(struct hci_dev
*hdev
)
1094 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1097 BT_DBG("%s", hdev
->name
);
1099 cancel_work_sync(&data
->work
);
1100 cancel_work_sync(&data
->waker
);
1102 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1103 clear_bit(BTUSB_BULK_RUNNING
, &data
->flags
);
1104 clear_bit(BTUSB_INTR_RUNNING
, &data
->flags
);
1105 clear_bit(BTUSB_DIAG_RUNNING
, &data
->flags
);
1107 btusb_stop_traffic(data
);
1108 btusb_free_frags(data
);
1110 err
= usb_autopm_get_interface(data
->intf
);
1114 data
->intf
->needs_remote_wakeup
= 0;
1115 usb_autopm_put_interface(data
->intf
);
1118 usb_scuttle_anchored_urbs(&data
->deferred
);
1122 static int btusb_flush(struct hci_dev
*hdev
)
1124 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1126 BT_DBG("%s", hdev
->name
);
1128 usb_kill_anchored_urbs(&data
->tx_anchor
);
1129 btusb_free_frags(data
);
1134 static struct urb
*alloc_ctrl_urb(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1136 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1137 struct usb_ctrlrequest
*dr
;
1141 urb
= usb_alloc_urb(0, GFP_KERNEL
);
1143 return ERR_PTR(-ENOMEM
);
1145 dr
= kmalloc(sizeof(*dr
), GFP_KERNEL
);
1148 return ERR_PTR(-ENOMEM
);
1151 dr
->bRequestType
= data
->cmdreq_type
;
1152 dr
->bRequest
= data
->cmdreq
;
1155 dr
->wLength
= __cpu_to_le16(skb
->len
);
1157 pipe
= usb_sndctrlpipe(data
->udev
, 0x00);
1159 usb_fill_control_urb(urb
, data
->udev
, pipe
, (void *)dr
,
1160 skb
->data
, skb
->len
, btusb_tx_complete
, skb
);
1162 skb
->dev
= (void *)hdev
;
1167 static struct urb
*alloc_bulk_urb(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1169 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1173 if (!data
->bulk_tx_ep
)
1174 return ERR_PTR(-ENODEV
);
1176 urb
= usb_alloc_urb(0, GFP_KERNEL
);
1178 return ERR_PTR(-ENOMEM
);
1180 pipe
= usb_sndbulkpipe(data
->udev
, data
->bulk_tx_ep
->bEndpointAddress
);
1182 usb_fill_bulk_urb(urb
, data
->udev
, pipe
,
1183 skb
->data
, skb
->len
, btusb_tx_complete
, skb
);
1185 skb
->dev
= (void *)hdev
;
1190 static struct urb
*alloc_isoc_urb(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1192 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1196 if (!data
->isoc_tx_ep
)
1197 return ERR_PTR(-ENODEV
);
1199 urb
= usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES
, GFP_KERNEL
);
1201 return ERR_PTR(-ENOMEM
);
1203 pipe
= usb_sndisocpipe(data
->udev
, data
->isoc_tx_ep
->bEndpointAddress
);
1205 usb_fill_int_urb(urb
, data
->udev
, pipe
,
1206 skb
->data
, skb
->len
, btusb_isoc_tx_complete
,
1207 skb
, data
->isoc_tx_ep
->bInterval
);
1209 urb
->transfer_flags
= URB_ISO_ASAP
;
1211 __fill_isoc_descriptor(urb
, skb
->len
,
1212 le16_to_cpu(data
->isoc_tx_ep
->wMaxPacketSize
));
1214 skb
->dev
= (void *)hdev
;
1219 static int submit_tx_urb(struct hci_dev
*hdev
, struct urb
*urb
)
1221 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1224 usb_anchor_urb(urb
, &data
->tx_anchor
);
1226 err
= usb_submit_urb(urb
, GFP_KERNEL
);
1228 if (err
!= -EPERM
&& err
!= -ENODEV
)
1229 BT_ERR("%s urb %p submission failed (%d)",
1230 hdev
->name
, urb
, -err
);
1231 kfree(urb
->setup_packet
);
1232 usb_unanchor_urb(urb
);
1234 usb_mark_last_busy(data
->udev
);
1241 static int submit_or_queue_tx_urb(struct hci_dev
*hdev
, struct urb
*urb
)
1243 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1244 unsigned long flags
;
1247 spin_lock_irqsave(&data
->txlock
, flags
);
1248 suspending
= test_bit(BTUSB_SUSPENDING
, &data
->flags
);
1250 data
->tx_in_flight
++;
1251 spin_unlock_irqrestore(&data
->txlock
, flags
);
1254 return submit_tx_urb(hdev
, urb
);
1256 usb_anchor_urb(urb
, &data
->deferred
);
1257 schedule_work(&data
->waker
);
1263 static int btusb_send_frame(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1267 BT_DBG("%s", hdev
->name
);
1269 switch (hci_skb_pkt_type(skb
)) {
1270 case HCI_COMMAND_PKT
:
1271 urb
= alloc_ctrl_urb(hdev
, skb
);
1273 return PTR_ERR(urb
);
1275 hdev
->stat
.cmd_tx
++;
1276 return submit_or_queue_tx_urb(hdev
, urb
);
1278 case HCI_ACLDATA_PKT
:
1279 urb
= alloc_bulk_urb(hdev
, skb
);
1281 return PTR_ERR(urb
);
1283 hdev
->stat
.acl_tx
++;
1284 return submit_or_queue_tx_urb(hdev
, urb
);
1286 case HCI_SCODATA_PKT
:
1287 if (hci_conn_num(hdev
, SCO_LINK
) < 1)
1290 urb
= alloc_isoc_urb(hdev
, skb
);
1292 return PTR_ERR(urb
);
1294 hdev
->stat
.sco_tx
++;
1295 return submit_tx_urb(hdev
, urb
);
1301 static void btusb_notify(struct hci_dev
*hdev
, unsigned int evt
)
1303 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1305 BT_DBG("%s evt %d", hdev
->name
, evt
);
1307 if (hci_conn_num(hdev
, SCO_LINK
) != data
->sco_num
) {
1308 data
->sco_num
= hci_conn_num(hdev
, SCO_LINK
);
1309 schedule_work(&data
->work
);
1313 static inline int __set_isoc_interface(struct hci_dev
*hdev
, int altsetting
)
1315 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1316 struct usb_interface
*intf
= data
->isoc
;
1317 struct usb_endpoint_descriptor
*ep_desc
;
1323 err
= usb_set_interface(data
->udev
, 1, altsetting
);
1325 BT_ERR("%s setting interface failed (%d)", hdev
->name
, -err
);
1329 data
->isoc_altsetting
= altsetting
;
1331 data
->isoc_tx_ep
= NULL
;
1332 data
->isoc_rx_ep
= NULL
;
1334 for (i
= 0; i
< intf
->cur_altsetting
->desc
.bNumEndpoints
; i
++) {
1335 ep_desc
= &intf
->cur_altsetting
->endpoint
[i
].desc
;
1337 if (!data
->isoc_tx_ep
&& usb_endpoint_is_isoc_out(ep_desc
)) {
1338 data
->isoc_tx_ep
= ep_desc
;
1342 if (!data
->isoc_rx_ep
&& usb_endpoint_is_isoc_in(ep_desc
)) {
1343 data
->isoc_rx_ep
= ep_desc
;
1348 if (!data
->isoc_tx_ep
|| !data
->isoc_rx_ep
) {
1349 BT_ERR("%s invalid SCO descriptors", hdev
->name
);
1356 static void btusb_work(struct work_struct
*work
)
1358 struct btusb_data
*data
= container_of(work
, struct btusb_data
, work
);
1359 struct hci_dev
*hdev
= data
->hdev
;
1363 if (data
->sco_num
> 0) {
1364 if (!test_bit(BTUSB_DID_ISO_RESUME
, &data
->flags
)) {
1365 err
= usb_autopm_get_interface(data
->isoc
? data
->isoc
: data
->intf
);
1367 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1368 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1372 set_bit(BTUSB_DID_ISO_RESUME
, &data
->flags
);
1375 if (hdev
->voice_setting
& 0x0020) {
1376 static const int alts
[3] = { 2, 4, 5 };
1378 new_alts
= alts
[data
->sco_num
- 1];
1380 new_alts
= data
->sco_num
;
1383 if (data
->isoc_altsetting
!= new_alts
) {
1384 unsigned long flags
;
1386 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1387 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1389 /* When isochronous alternate setting needs to be
1390 * changed, because SCO connection has been added
1391 * or removed, a packet fragment may be left in the
1392 * reassembling state. This could lead to wrongly
1393 * assembled fragments.
1395 * Clear outstanding fragment when selecting a new
1396 * alternate setting.
1398 spin_lock_irqsave(&data
->rxlock
, flags
);
1399 kfree_skb(data
->sco_skb
);
1400 data
->sco_skb
= NULL
;
1401 spin_unlock_irqrestore(&data
->rxlock
, flags
);
1403 if (__set_isoc_interface(hdev
, new_alts
) < 0)
1407 if (!test_and_set_bit(BTUSB_ISOC_RUNNING
, &data
->flags
)) {
1408 if (btusb_submit_isoc_urb(hdev
, GFP_KERNEL
) < 0)
1409 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1411 btusb_submit_isoc_urb(hdev
, GFP_KERNEL
);
1414 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1415 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1417 __set_isoc_interface(hdev
, 0);
1418 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME
, &data
->flags
))
1419 usb_autopm_put_interface(data
->isoc
? data
->isoc
: data
->intf
);
1423 static void btusb_waker(struct work_struct
*work
)
1425 struct btusb_data
*data
= container_of(work
, struct btusb_data
, waker
);
1428 err
= usb_autopm_get_interface(data
->intf
);
1432 usb_autopm_put_interface(data
->intf
);
1435 static int btusb_setup_bcm92035(struct hci_dev
*hdev
)
1437 struct sk_buff
*skb
;
1440 BT_DBG("%s", hdev
->name
);
1442 skb
= __hci_cmd_sync(hdev
, 0xfc3b, 1, &val
, HCI_INIT_TIMEOUT
);
1444 BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb
));
1451 static int btusb_setup_csr(struct hci_dev
*hdev
)
1453 struct hci_rp_read_local_version
*rp
;
1454 struct sk_buff
*skb
;
1456 BT_DBG("%s", hdev
->name
);
1458 skb
= __hci_cmd_sync(hdev
, HCI_OP_READ_LOCAL_VERSION
, 0, NULL
,
1461 int err
= PTR_ERR(skb
);
1462 BT_ERR("%s: CSR: Local version failed (%d)", hdev
->name
, err
);
1466 if (skb
->len
!= sizeof(struct hci_rp_read_local_version
)) {
1467 BT_ERR("%s: CSR: Local version length mismatch", hdev
->name
);
1472 rp
= (struct hci_rp_read_local_version
*)skb
->data
;
1474 /* Detect controllers which aren't real CSR ones. */
1475 if (le16_to_cpu(rp
->manufacturer
) != 10 ||
1476 le16_to_cpu(rp
->lmp_subver
) == 0x0c5c) {
1477 /* Clear the reset quirk since this is not an actual
1478 * early Bluetooth 1.1 device from CSR.
1480 clear_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
1482 /* These fake CSR controllers have all a broken
1483 * stored link key handling and so just disable it.
1485 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY
, &hdev
->quirks
);
1493 static const struct firmware
*btusb_setup_intel_get_fw(struct hci_dev
*hdev
,
1494 struct intel_version
*ver
)
1496 const struct firmware
*fw
;
1500 snprintf(fwname
, sizeof(fwname
),
1501 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
1502 ver
->hw_platform
, ver
->hw_variant
, ver
->hw_revision
,
1503 ver
->fw_variant
, ver
->fw_revision
, ver
->fw_build_num
,
1504 ver
->fw_build_ww
, ver
->fw_build_yy
);
1506 ret
= request_firmware(&fw
, fwname
, &hdev
->dev
);
1508 if (ret
== -EINVAL
) {
1509 BT_ERR("%s Intel firmware file request failed (%d)",
1514 BT_ERR("%s failed to open Intel firmware file: %s(%d)",
1515 hdev
->name
, fwname
, ret
);
1517 /* If the correct firmware patch file is not found, use the
1518 * default firmware patch file instead
1520 snprintf(fwname
, sizeof(fwname
), "intel/ibt-hw-%x.%x.bseq",
1521 ver
->hw_platform
, ver
->hw_variant
);
1522 if (request_firmware(&fw
, fwname
, &hdev
->dev
) < 0) {
1523 BT_ERR("%s failed to open default Intel fw file: %s",
1524 hdev
->name
, fwname
);
1529 BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev
->name
, fwname
);
1534 static int btusb_setup_intel_patching(struct hci_dev
*hdev
,
1535 const struct firmware
*fw
,
1536 const u8
**fw_ptr
, int *disable_patch
)
1538 struct sk_buff
*skb
;
1539 struct hci_command_hdr
*cmd
;
1540 const u8
*cmd_param
;
1541 struct hci_event_hdr
*evt
= NULL
;
1542 const u8
*evt_param
= NULL
;
1543 int remain
= fw
->size
- (*fw_ptr
- fw
->data
);
1545 /* The first byte indicates the types of the patch command or event.
1546 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
1547 * in the current firmware buffer doesn't start with 0x01 or
1548 * the size of remain buffer is smaller than HCI command header,
1549 * the firmware file is corrupted and it should stop the patching
1552 if (remain
> HCI_COMMAND_HDR_SIZE
&& *fw_ptr
[0] != 0x01) {
1553 BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev
->name
);
1559 cmd
= (struct hci_command_hdr
*)(*fw_ptr
);
1560 *fw_ptr
+= sizeof(*cmd
);
1561 remain
-= sizeof(*cmd
);
1563 /* Ensure that the remain firmware data is long enough than the length
1564 * of command parameter. If not, the firmware file is corrupted.
1566 if (remain
< cmd
->plen
) {
1567 BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev
->name
);
1571 /* If there is a command that loads a patch in the firmware
1572 * file, then enable the patch upon success, otherwise just
1573 * disable the manufacturer mode, for example patch activation
1574 * is not required when the default firmware patch file is used
1575 * because there are no patch data to load.
1577 if (*disable_patch
&& le16_to_cpu(cmd
->opcode
) == 0xfc8e)
1580 cmd_param
= *fw_ptr
;
1581 *fw_ptr
+= cmd
->plen
;
1582 remain
-= cmd
->plen
;
1584 /* This reads the expected events when the above command is sent to the
1585 * device. Some vendor commands expects more than one events, for
1586 * example command status event followed by vendor specific event.
1587 * For this case, it only keeps the last expected event. so the command
1588 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
1589 * last expected event.
1591 while (remain
> HCI_EVENT_HDR_SIZE
&& *fw_ptr
[0] == 0x02) {
1595 evt
= (struct hci_event_hdr
*)(*fw_ptr
);
1596 *fw_ptr
+= sizeof(*evt
);
1597 remain
-= sizeof(*evt
);
1599 if (remain
< evt
->plen
) {
1600 BT_ERR("%s Intel fw corrupted: invalid evt len",
1605 evt_param
= *fw_ptr
;
1606 *fw_ptr
+= evt
->plen
;
1607 remain
-= evt
->plen
;
1610 /* Every HCI commands in the firmware file has its correspond event.
1611 * If event is not found or remain is smaller than zero, the firmware
1612 * file is corrupted.
1614 if (!evt
|| !evt_param
|| remain
< 0) {
1615 BT_ERR("%s Intel fw corrupted: invalid evt read", hdev
->name
);
1619 skb
= __hci_cmd_sync_ev(hdev
, le16_to_cpu(cmd
->opcode
), cmd
->plen
,
1620 cmd_param
, evt
->evt
, HCI_INIT_TIMEOUT
);
1622 BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)",
1623 hdev
->name
, cmd
->opcode
, PTR_ERR(skb
));
1624 return PTR_ERR(skb
);
1627 /* It ensures that the returned event matches the event data read from
1628 * the firmware file. At fist, it checks the length and then
1629 * the contents of the event.
1631 if (skb
->len
!= evt
->plen
) {
1632 BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev
->name
,
1633 le16_to_cpu(cmd
->opcode
));
1638 if (memcmp(skb
->data
, evt_param
, evt
->plen
)) {
1639 BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)",
1640 hdev
->name
, le16_to_cpu(cmd
->opcode
));
1649 static int btusb_setup_intel(struct hci_dev
*hdev
)
1651 struct sk_buff
*skb
;
1652 const struct firmware
*fw
;
1654 int disable_patch
, err
;
1655 struct intel_version ver
;
1657 BT_DBG("%s", hdev
->name
);
1659 /* The controller has a bug with the first HCI command sent to it
1660 * returning number of completed commands as zero. This would stall the
1661 * command processing in the Bluetooth core.
1663 * As a workaround, send HCI Reset command first which will reset the
1664 * number of completed commands and allow normal command processing
1667 skb
= __hci_cmd_sync(hdev
, HCI_OP_RESET
, 0, NULL
, HCI_INIT_TIMEOUT
);
1669 BT_ERR("%s sending initial HCI reset command failed (%ld)",
1670 hdev
->name
, PTR_ERR(skb
));
1671 return PTR_ERR(skb
);
1675 /* Read Intel specific controller version first to allow selection of
1676 * which firmware file to load.
1678 * The returned information are hardware variant and revision plus
1679 * firmware variant, revision and build number.
1681 err
= btintel_read_version(hdev
, &ver
);
1685 BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
1686 hdev
->name
, ver
.hw_platform
, ver
.hw_variant
, ver
.hw_revision
,
1687 ver
.fw_variant
, ver
.fw_revision
, ver
.fw_build_num
,
1688 ver
.fw_build_ww
, ver
.fw_build_yy
, ver
.fw_patch_num
);
1690 /* fw_patch_num indicates the version of patch the device currently
1691 * have. If there is no patch data in the device, it is always 0x00.
1692 * So, if it is other than 0x00, no need to patch the device again.
1694 if (ver
.fw_patch_num
) {
1695 BT_INFO("%s: Intel device is already patched. patch num: %02x",
1696 hdev
->name
, ver
.fw_patch_num
);
1700 /* Opens the firmware patch file based on the firmware version read
1701 * from the controller. If it fails to open the matching firmware
1702 * patch file, it tries to open the default firmware patch file.
1703 * If no patch file is found, allow the device to operate without
1706 fw
= btusb_setup_intel_get_fw(hdev
, &ver
);
1711 /* Enable the manufacturer mode of the controller.
1712 * Only while this mode is enabled, the driver can download the
1713 * firmware patch data and configuration parameters.
1715 err
= btintel_enter_mfg(hdev
);
1717 release_firmware(fw
);
1723 /* The firmware data file consists of list of Intel specific HCI
1724 * commands and its expected events. The first byte indicates the
1725 * type of the message, either HCI command or HCI event.
1727 * It reads the command and its expected event from the firmware file,
1728 * and send to the controller. Once __hci_cmd_sync_ev() returns,
1729 * the returned event is compared with the event read from the firmware
1730 * file and it will continue until all the messages are downloaded to
1733 * Once the firmware patching is completed successfully,
1734 * the manufacturer mode is disabled with reset and activating the
1737 * If the firmware patching fails, the manufacturer mode is
1738 * disabled with reset and deactivating the patch.
1740 * If the default patch file is used, no reset is done when disabling
1743 while (fw
->size
> fw_ptr
- fw
->data
) {
1746 ret
= btusb_setup_intel_patching(hdev
, fw
, &fw_ptr
,
1749 goto exit_mfg_deactivate
;
1752 release_firmware(fw
);
1755 goto exit_mfg_disable
;
1757 /* Patching completed successfully and disable the manufacturer mode
1758 * with reset and activate the downloaded firmware patches.
1760 err
= btintel_exit_mfg(hdev
, true, true);
1764 BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
1770 /* Disable the manufacturer mode without reset */
1771 err
= btintel_exit_mfg(hdev
, false, false);
1775 BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev
->name
);
1779 exit_mfg_deactivate
:
1780 release_firmware(fw
);
1782 /* Patching failed. Disable the manufacturer mode with reset and
1783 * deactivate the downloaded firmware patches.
1785 err
= btintel_exit_mfg(hdev
, true, false);
1789 BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
1793 /* Set the event mask for Intel specific vendor events. This enables
1794 * a few extra events that are useful during general operation.
1796 btintel_set_event_mask_mfg(hdev
, false);
1798 btintel_check_bdaddr(hdev
);
1802 static int inject_cmd_complete(struct hci_dev
*hdev
, __u16 opcode
)
1804 struct sk_buff
*skb
;
1805 struct hci_event_hdr
*hdr
;
1806 struct hci_ev_cmd_complete
*evt
;
1808 skb
= bt_skb_alloc(sizeof(*hdr
) + sizeof(*evt
) + 1, GFP_ATOMIC
);
1812 hdr
= (struct hci_event_hdr
*)skb_put(skb
, sizeof(*hdr
));
1813 hdr
->evt
= HCI_EV_CMD_COMPLETE
;
1814 hdr
->plen
= sizeof(*evt
) + 1;
1816 evt
= (struct hci_ev_cmd_complete
*)skb_put(skb
, sizeof(*evt
));
1818 evt
->opcode
= cpu_to_le16(opcode
);
1820 *skb_put(skb
, 1) = 0x00;
1822 hci_skb_pkt_type(skb
) = HCI_EVENT_PKT
;
1824 return hci_recv_frame(hdev
, skb
);
1827 static int btusb_recv_bulk_intel(struct btusb_data
*data
, void *buffer
,
1830 /* When the device is in bootloader mode, then it can send
1831 * events via the bulk endpoint. These events are treated the
1832 * same way as the ones received from the interrupt endpoint.
1834 if (test_bit(BTUSB_BOOTLOADER
, &data
->flags
))
1835 return btusb_recv_intr(data
, buffer
, count
);
1837 return btusb_recv_bulk(data
, buffer
, count
);
1840 static void btusb_intel_bootup(struct btusb_data
*data
, const void *ptr
,
1843 const struct intel_bootup
*evt
= ptr
;
1845 if (len
!= sizeof(*evt
))
1848 if (test_and_clear_bit(BTUSB_BOOTING
, &data
->flags
)) {
1849 smp_mb__after_atomic();
1850 wake_up_bit(&data
->flags
, BTUSB_BOOTING
);
1854 static void btusb_intel_secure_send_result(struct btusb_data
*data
,
1855 const void *ptr
, unsigned int len
)
1857 const struct intel_secure_send_result
*evt
= ptr
;
1859 if (len
!= sizeof(*evt
))
1863 set_bit(BTUSB_FIRMWARE_FAILED
, &data
->flags
);
1865 if (test_and_clear_bit(BTUSB_DOWNLOADING
, &data
->flags
) &&
1866 test_bit(BTUSB_FIRMWARE_LOADED
, &data
->flags
)) {
1867 smp_mb__after_atomic();
1868 wake_up_bit(&data
->flags
, BTUSB_DOWNLOADING
);
1872 static int btusb_recv_event_intel(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1874 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1876 if (test_bit(BTUSB_BOOTLOADER
, &data
->flags
)) {
1877 struct hci_event_hdr
*hdr
= (void *)skb
->data
;
1879 if (skb
->len
> HCI_EVENT_HDR_SIZE
&& hdr
->evt
== 0xff &&
1881 const void *ptr
= skb
->data
+ HCI_EVENT_HDR_SIZE
+ 1;
1882 unsigned int len
= skb
->len
- HCI_EVENT_HDR_SIZE
- 1;
1884 switch (skb
->data
[2]) {
1886 /* When switching to the operational firmware
1887 * the device sends a vendor specific event
1888 * indicating that the bootup completed.
1890 btusb_intel_bootup(data
, ptr
, len
);
1893 /* When the firmware loading completes the
1894 * device sends out a vendor specific event
1895 * indicating the result of the firmware
1898 btusb_intel_secure_send_result(data
, ptr
, len
);
1904 return hci_recv_frame(hdev
, skb
);
1907 static int btusb_send_frame_intel(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1909 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1912 BT_DBG("%s", hdev
->name
);
1914 switch (hci_skb_pkt_type(skb
)) {
1915 case HCI_COMMAND_PKT
:
1916 if (test_bit(BTUSB_BOOTLOADER
, &data
->flags
)) {
1917 struct hci_command_hdr
*cmd
= (void *)skb
->data
;
1918 __u16 opcode
= le16_to_cpu(cmd
->opcode
);
1920 /* When in bootloader mode and the command 0xfc09
1921 * is received, it needs to be send down the
1922 * bulk endpoint. So allocate a bulk URB instead.
1924 if (opcode
== 0xfc09)
1925 urb
= alloc_bulk_urb(hdev
, skb
);
1927 urb
= alloc_ctrl_urb(hdev
, skb
);
1929 /* When the 0xfc01 command is issued to boot into
1930 * the operational firmware, it will actually not
1931 * send a command complete event. To keep the flow
1932 * control working inject that event here.
1934 if (opcode
== 0xfc01)
1935 inject_cmd_complete(hdev
, opcode
);
1937 urb
= alloc_ctrl_urb(hdev
, skb
);
1940 return PTR_ERR(urb
);
1942 hdev
->stat
.cmd_tx
++;
1943 return submit_or_queue_tx_urb(hdev
, urb
);
1945 case HCI_ACLDATA_PKT
:
1946 urb
= alloc_bulk_urb(hdev
, skb
);
1948 return PTR_ERR(urb
);
1950 hdev
->stat
.acl_tx
++;
1951 return submit_or_queue_tx_urb(hdev
, urb
);
1953 case HCI_SCODATA_PKT
:
1954 if (hci_conn_num(hdev
, SCO_LINK
) < 1)
1957 urb
= alloc_isoc_urb(hdev
, skb
);
1959 return PTR_ERR(urb
);
1961 hdev
->stat
.sco_tx
++;
1962 return submit_tx_urb(hdev
, urb
);
1968 static int btusb_setup_intel_new(struct hci_dev
*hdev
)
1970 static const u8 reset_param
[] = { 0x00, 0x01, 0x00, 0x01,
1971 0x00, 0x08, 0x04, 0x00 };
1972 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1973 struct sk_buff
*skb
;
1974 struct intel_version ver
;
1975 struct intel_boot_params
*params
;
1976 const struct firmware
*fw
;
1980 ktime_t calltime
, delta
, rettime
;
1981 unsigned long long duration
;
1984 BT_DBG("%s", hdev
->name
);
1986 calltime
= ktime_get();
1988 /* Read the Intel version information to determine if the device
1989 * is in bootloader mode or if it already has operational firmware
1992 err
= btintel_read_version(hdev
, &ver
);
1996 /* The hardware platform number has a fixed value of 0x37 and
1997 * for now only accept this single value.
1999 if (ver
.hw_platform
!= 0x37) {
2000 BT_ERR("%s: Unsupported Intel hardware platform (%u)",
2001 hdev
->name
, ver
.hw_platform
);
2005 /* At the moment the iBT 3.0 hardware variants 0x0b (LnP/SfP)
2006 * and 0x0c (WsP) are supported by this firmware loading method.
2008 * This check has been put in place to ensure correct forward
2009 * compatibility options when newer hardware variants come along.
2011 if (ver
.hw_variant
!= 0x0b && ver
.hw_variant
!= 0x0c) {
2012 BT_ERR("%s: Unsupported Intel hardware variant (%u)",
2013 hdev
->name
, ver
.hw_variant
);
2017 btintel_version_info(hdev
, &ver
);
2019 /* The firmware variant determines if the device is in bootloader
2020 * mode or is running operational firmware. The value 0x06 identifies
2021 * the bootloader and the value 0x23 identifies the operational
2024 * When the operational firmware is already present, then only
2025 * the check for valid Bluetooth device address is needed. This
2026 * determines if the device will be added as configured or
2027 * unconfigured controller.
2029 * It is not possible to use the Secure Boot Parameters in this
2030 * case since that command is only available in bootloader mode.
2032 if (ver
.fw_variant
== 0x23) {
2033 clear_bit(BTUSB_BOOTLOADER
, &data
->flags
);
2034 btintel_check_bdaddr(hdev
);
2038 /* If the device is not in bootloader mode, then the only possible
2039 * choice is to return an error and abort the device initialization.
2041 if (ver
.fw_variant
!= 0x06) {
2042 BT_ERR("%s: Unsupported Intel firmware variant (%u)",
2043 hdev
->name
, ver
.fw_variant
);
2047 /* Read the secure boot parameters to identify the operating
2048 * details of the bootloader.
2050 skb
= __hci_cmd_sync(hdev
, 0xfc0d, 0, NULL
, HCI_INIT_TIMEOUT
);
2052 BT_ERR("%s: Reading Intel boot parameters failed (%ld)",
2053 hdev
->name
, PTR_ERR(skb
));
2054 return PTR_ERR(skb
);
2057 if (skb
->len
!= sizeof(*params
)) {
2058 BT_ERR("%s: Intel boot parameters size mismatch", hdev
->name
);
2063 params
= (struct intel_boot_params
*)skb
->data
;
2065 BT_INFO("%s: Device revision is %u", hdev
->name
,
2066 le16_to_cpu(params
->dev_revid
));
2068 BT_INFO("%s: Secure boot is %s", hdev
->name
,
2069 params
->secure_boot
? "enabled" : "disabled");
2071 BT_INFO("%s: OTP lock is %s", hdev
->name
,
2072 params
->otp_lock
? "enabled" : "disabled");
2074 BT_INFO("%s: API lock is %s", hdev
->name
,
2075 params
->api_lock
? "enabled" : "disabled");
2077 BT_INFO("%s: Debug lock is %s", hdev
->name
,
2078 params
->debug_lock
? "enabled" : "disabled");
2080 BT_INFO("%s: Minimum firmware build %u week %u %u", hdev
->name
,
2081 params
->min_fw_build_nn
, params
->min_fw_build_cw
,
2082 2000 + params
->min_fw_build_yy
);
2084 /* It is required that every single firmware fragment is acknowledged
2085 * with a command complete event. If the boot parameters indicate
2086 * that this bootloader does not send them, then abort the setup.
2088 if (params
->limited_cce
!= 0x00) {
2089 BT_ERR("%s: Unsupported Intel firmware loading method (%u)",
2090 hdev
->name
, params
->limited_cce
);
2095 /* If the OTP has no valid Bluetooth device address, then there will
2096 * also be no valid address for the operational firmware.
2098 if (!bacmp(¶ms
->otp_bdaddr
, BDADDR_ANY
)) {
2099 BT_INFO("%s: No device address configured", hdev
->name
);
2100 set_bit(HCI_QUIRK_INVALID_BDADDR
, &hdev
->quirks
);
2103 /* With this Intel bootloader only the hardware variant and device
2104 * revision information are used to select the right firmware.
2106 * Currently this bootloader support is limited to hardware variant
2107 * iBT 3.0 (LnP/SfP) which is identified by the value 11 (0x0b).
2109 snprintf(fwname
, sizeof(fwname
), "intel/ibt-11-%u.sfi",
2110 le16_to_cpu(params
->dev_revid
));
2112 err
= request_firmware(&fw
, fwname
, &hdev
->dev
);
2114 BT_ERR("%s: Failed to load Intel firmware file (%d)",
2120 BT_INFO("%s: Found device firmware: %s", hdev
->name
, fwname
);
2122 /* Save the DDC file name for later use to apply once the firmware
2123 * downloading is done.
2125 snprintf(fwname
, sizeof(fwname
), "intel/ibt-11-%u.ddc",
2126 le16_to_cpu(params
->dev_revid
));
2130 if (fw
->size
< 644) {
2131 BT_ERR("%s: Invalid size of firmware file (%zu)",
2132 hdev
->name
, fw
->size
);
2137 set_bit(BTUSB_DOWNLOADING
, &data
->flags
);
2139 /* Start the firmware download transaction with the Init fragment
2140 * represented by the 128 bytes of CSS header.
2142 err
= btintel_secure_send(hdev
, 0x00, 128, fw
->data
);
2144 BT_ERR("%s: Failed to send firmware header (%d)",
2149 /* Send the 256 bytes of public key information from the firmware
2150 * as the PKey fragment.
2152 err
= btintel_secure_send(hdev
, 0x03, 256, fw
->data
+ 128);
2154 BT_ERR("%s: Failed to send firmware public key (%d)",
2159 /* Send the 256 bytes of signature information from the firmware
2160 * as the Sign fragment.
2162 err
= btintel_secure_send(hdev
, 0x02, 256, fw
->data
+ 388);
2164 BT_ERR("%s: Failed to send firmware signature (%d)",
2169 fw_ptr
= fw
->data
+ 644;
2172 while (fw_ptr
- fw
->data
< fw
->size
) {
2173 struct hci_command_hdr
*cmd
= (void *)(fw_ptr
+ frag_len
);
2175 frag_len
+= sizeof(*cmd
) + cmd
->plen
;
2177 /* The parameter length of the secure send command requires
2178 * a 4 byte alignment. It happens so that the firmware file
2179 * contains proper Intel_NOP commands to align the fragments
2182 * Send set of commands with 4 byte alignment from the
2183 * firmware data buffer as a single Data fragement.
2185 if (!(frag_len
% 4)) {
2186 err
= btintel_secure_send(hdev
, 0x01, frag_len
, fw_ptr
);
2188 BT_ERR("%s: Failed to send firmware data (%d)",
2198 set_bit(BTUSB_FIRMWARE_LOADED
, &data
->flags
);
2200 BT_INFO("%s: Waiting for firmware download to complete", hdev
->name
);
2202 /* Before switching the device into operational mode and with that
2203 * booting the loaded firmware, wait for the bootloader notification
2204 * that all fragments have been successfully received.
2206 * When the event processing receives the notification, then the
2207 * BTUSB_DOWNLOADING flag will be cleared.
2209 * The firmware loading should not take longer than 5 seconds
2210 * and thus just timeout if that happens and fail the setup
2213 err
= wait_on_bit_timeout(&data
->flags
, BTUSB_DOWNLOADING
,
2215 msecs_to_jiffies(5000));
2217 BT_ERR("%s: Firmware loading interrupted", hdev
->name
);
2223 BT_ERR("%s: Firmware loading timeout", hdev
->name
);
2228 if (test_bit(BTUSB_FIRMWARE_FAILED
, &data
->flags
)) {
2229 BT_ERR("%s: Firmware loading failed", hdev
->name
);
2234 rettime
= ktime_get();
2235 delta
= ktime_sub(rettime
, calltime
);
2236 duration
= (unsigned long long) ktime_to_ns(delta
) >> 10;
2238 BT_INFO("%s: Firmware loaded in %llu usecs", hdev
->name
, duration
);
2241 release_firmware(fw
);
2246 calltime
= ktime_get();
2248 set_bit(BTUSB_BOOTING
, &data
->flags
);
2250 skb
= __hci_cmd_sync(hdev
, 0xfc01, sizeof(reset_param
), reset_param
,
2253 return PTR_ERR(skb
);
2257 /* The bootloader will not indicate when the device is ready. This
2258 * is done by the operational firmware sending bootup notification.
2260 * Booting into operational firmware should not take longer than
2261 * 1 second. However if that happens, then just fail the setup
2262 * since something went wrong.
2264 BT_INFO("%s: Waiting for device to boot", hdev
->name
);
2266 err
= wait_on_bit_timeout(&data
->flags
, BTUSB_BOOTING
,
2268 msecs_to_jiffies(1000));
2271 BT_ERR("%s: Device boot interrupted", hdev
->name
);
2276 BT_ERR("%s: Device boot timeout", hdev
->name
);
2280 rettime
= ktime_get();
2281 delta
= ktime_sub(rettime
, calltime
);
2282 duration
= (unsigned long long) ktime_to_ns(delta
) >> 10;
2284 BT_INFO("%s: Device booted in %llu usecs", hdev
->name
, duration
);
2286 clear_bit(BTUSB_BOOTLOADER
, &data
->flags
);
2288 /* Once the device is running in operational mode, it needs to apply
2289 * the device configuration (DDC) parameters.
2291 * The device can work without DDC parameters, so even if it fails
2292 * to load the file, no need to fail the setup.
2294 btintel_load_ddc_config(hdev
, fwname
);
2296 /* Set the event mask for Intel specific vendor events. This enables
2297 * a few extra events that are useful during general operation. It
2298 * does not enable any debugging related events.
2300 * The device will function correctly without these events enabled
2301 * and thus no need to fail the setup.
2303 btintel_set_event_mask(hdev
, false);
2308 static int btusb_shutdown_intel(struct hci_dev
*hdev
)
2310 struct sk_buff
*skb
;
2313 /* Some platforms have an issue with BT LED when the interface is
2314 * down or BT radio is turned off, which takes 5 seconds to BT LED
2315 * goes off. This command turns off the BT LED immediately.
2317 skb
= __hci_cmd_sync(hdev
, 0xfc3f, 0, NULL
, HCI_INIT_TIMEOUT
);
2320 BT_ERR("%s: turning off Intel device LED failed (%ld)",
2329 static int btusb_set_bdaddr_marvell(struct hci_dev
*hdev
,
2330 const bdaddr_t
*bdaddr
)
2332 struct sk_buff
*skb
;
2337 buf
[1] = sizeof(bdaddr_t
);
2338 memcpy(buf
+ 2, bdaddr
, sizeof(bdaddr_t
));
2340 skb
= __hci_cmd_sync(hdev
, 0xfc22, sizeof(buf
), buf
, HCI_INIT_TIMEOUT
);
2343 BT_ERR("%s: changing Marvell device address failed (%ld)",
2352 static int btusb_set_bdaddr_ath3012(struct hci_dev
*hdev
,
2353 const bdaddr_t
*bdaddr
)
2355 struct sk_buff
*skb
;
2362 buf
[3] = sizeof(bdaddr_t
);
2363 memcpy(buf
+ 4, bdaddr
, sizeof(bdaddr_t
));
2365 skb
= __hci_cmd_sync(hdev
, 0xfc0b, sizeof(buf
), buf
, HCI_INIT_TIMEOUT
);
2368 BT_ERR("%s: Change address command failed (%ld)",
2377 #define QCA_DFU_PACKET_LEN 4096
2379 #define QCA_GET_TARGET_VERSION 0x09
2380 #define QCA_CHECK_STATUS 0x05
2381 #define QCA_DFU_DOWNLOAD 0x01
2383 #define QCA_SYSCFG_UPDATED 0x40
2384 #define QCA_PATCH_UPDATED 0x80
2385 #define QCA_DFU_TIMEOUT 3000
2387 struct qca_version
{
2389 __le32 patch_version
;
2395 struct qca_rampatch_version
{
2397 __le16 patch_version
;
2400 struct qca_device_info
{
2402 u8 rampatch_hdr
; /* length of header in rampatch */
2403 u8 nvm_hdr
; /* length of header in NVM */
2404 u8 ver_offset
; /* offset of version structure in rampatch */
2407 static const struct qca_device_info qca_devices_table
[] = {
2408 { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */
2409 { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
2410 { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
2411 { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
2412 { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
2413 { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
2416 static int btusb_qca_send_vendor_req(struct hci_dev
*hdev
, u8 request
,
2417 void *data
, u16 size
)
2419 struct btusb_data
*btdata
= hci_get_drvdata(hdev
);
2420 struct usb_device
*udev
= btdata
->udev
;
2424 buf
= kmalloc(size
, GFP_KERNEL
);
2428 /* Found some of USB hosts have IOT issues with ours so that we should
2429 * not wait until HCI layer is ready.
2431 pipe
= usb_rcvctrlpipe(udev
, 0);
2432 err
= usb_control_msg(udev
, pipe
, request
, USB_TYPE_VENDOR
| USB_DIR_IN
,
2433 0, 0, buf
, size
, USB_CTRL_SET_TIMEOUT
);
2435 BT_ERR("%s: Failed to access otp area (%d)", hdev
->name
, err
);
2439 memcpy(data
, buf
, size
);
2447 static int btusb_setup_qca_download_fw(struct hci_dev
*hdev
,
2448 const struct firmware
*firmware
,
2451 struct btusb_data
*btdata
= hci_get_drvdata(hdev
);
2452 struct usb_device
*udev
= btdata
->udev
;
2453 size_t count
, size
, sent
= 0;
2457 buf
= kmalloc(QCA_DFU_PACKET_LEN
, GFP_KERNEL
);
2461 count
= firmware
->size
;
2463 size
= min_t(size_t, count
, hdr_size
);
2464 memcpy(buf
, firmware
->data
, size
);
2466 /* USB patches should go down to controller through USB path
2467 * because binary format fits to go down through USB channel.
2468 * USB control path is for patching headers and USB bulk is for
2471 pipe
= usb_sndctrlpipe(udev
, 0);
2472 err
= usb_control_msg(udev
, pipe
, QCA_DFU_DOWNLOAD
, USB_TYPE_VENDOR
,
2473 0, 0, buf
, size
, USB_CTRL_SET_TIMEOUT
);
2475 BT_ERR("%s: Failed to send headers (%d)", hdev
->name
, err
);
2483 size
= min_t(size_t, count
, QCA_DFU_PACKET_LEN
);
2485 memcpy(buf
, firmware
->data
+ sent
, size
);
2487 pipe
= usb_sndbulkpipe(udev
, 0x02);
2488 err
= usb_bulk_msg(udev
, pipe
, buf
, size
, &len
,
2491 BT_ERR("%s: Failed to send body at %zd of %zd (%d)",
2492 hdev
->name
, sent
, firmware
->size
, err
);
2497 BT_ERR("%s: Failed to get bulk buffer", hdev
->name
);
2511 static int btusb_setup_qca_load_rampatch(struct hci_dev
*hdev
,
2512 struct qca_version
*ver
,
2513 const struct qca_device_info
*info
)
2515 struct qca_rampatch_version
*rver
;
2516 const struct firmware
*fw
;
2517 u32 ver_rom
, ver_patch
;
2518 u16 rver_rom
, rver_patch
;
2522 ver_rom
= le32_to_cpu(ver
->rom_version
);
2523 ver_patch
= le32_to_cpu(ver
->patch_version
);
2525 snprintf(fwname
, sizeof(fwname
), "qca/rampatch_usb_%08x.bin", ver_rom
);
2527 err
= request_firmware(&fw
, fwname
, &hdev
->dev
);
2529 BT_ERR("%s: failed to request rampatch file: %s (%d)",
2530 hdev
->name
, fwname
, err
);
2534 BT_INFO("%s: using rampatch file: %s", hdev
->name
, fwname
);
2536 rver
= (struct qca_rampatch_version
*)(fw
->data
+ info
->ver_offset
);
2537 rver_rom
= le16_to_cpu(rver
->rom_version
);
2538 rver_patch
= le16_to_cpu(rver
->patch_version
);
2540 BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x "
2541 "build 0x%x", hdev
->name
, rver_rom
, rver_patch
, ver_rom
,
2544 if (rver_rom
!= ver_rom
|| rver_patch
<= ver_patch
) {
2545 BT_ERR("%s: rampatch file version did not match with firmware",
2551 err
= btusb_setup_qca_download_fw(hdev
, fw
, info
->rampatch_hdr
);
2554 release_firmware(fw
);
2559 static int btusb_setup_qca_load_nvm(struct hci_dev
*hdev
,
2560 struct qca_version
*ver
,
2561 const struct qca_device_info
*info
)
2563 const struct firmware
*fw
;
2567 snprintf(fwname
, sizeof(fwname
), "qca/nvm_usb_%08x.bin",
2568 le32_to_cpu(ver
->rom_version
));
2570 err
= request_firmware(&fw
, fwname
, &hdev
->dev
);
2572 BT_ERR("%s: failed to request NVM file: %s (%d)",
2573 hdev
->name
, fwname
, err
);
2577 BT_INFO("%s: using NVM file: %s", hdev
->name
, fwname
);
2579 err
= btusb_setup_qca_download_fw(hdev
, fw
, info
->nvm_hdr
);
2581 release_firmware(fw
);
2586 static int btusb_setup_qca(struct hci_dev
*hdev
)
2588 const struct qca_device_info
*info
= NULL
;
2589 struct qca_version ver
;
2594 err
= btusb_qca_send_vendor_req(hdev
, QCA_GET_TARGET_VERSION
, &ver
,
2599 ver_rom
= le32_to_cpu(ver
.rom_version
);
2600 for (i
= 0; i
< ARRAY_SIZE(qca_devices_table
); i
++) {
2601 if (ver_rom
== qca_devices_table
[i
].rom_version
)
2602 info
= &qca_devices_table
[i
];
2605 BT_ERR("%s: don't support firmware rome 0x%x", hdev
->name
,
2610 err
= btusb_qca_send_vendor_req(hdev
, QCA_CHECK_STATUS
, &status
,
2615 if (!(status
& QCA_PATCH_UPDATED
)) {
2616 err
= btusb_setup_qca_load_rampatch(hdev
, &ver
, info
);
2621 if (!(status
& QCA_SYSCFG_UPDATED
)) {
2622 err
= btusb_setup_qca_load_nvm(hdev
, &ver
, info
);
2630 #ifdef CONFIG_BT_HCIBTUSB_BCM
2631 static inline int __set_diag_interface(struct hci_dev
*hdev
)
2633 struct btusb_data
*data
= hci_get_drvdata(hdev
);
2634 struct usb_interface
*intf
= data
->diag
;
2640 data
->diag_tx_ep
= NULL
;
2641 data
->diag_rx_ep
= NULL
;
2643 for (i
= 0; i
< intf
->cur_altsetting
->desc
.bNumEndpoints
; i
++) {
2644 struct usb_endpoint_descriptor
*ep_desc
;
2646 ep_desc
= &intf
->cur_altsetting
->endpoint
[i
].desc
;
2648 if (!data
->diag_tx_ep
&& usb_endpoint_is_bulk_out(ep_desc
)) {
2649 data
->diag_tx_ep
= ep_desc
;
2653 if (!data
->diag_rx_ep
&& usb_endpoint_is_bulk_in(ep_desc
)) {
2654 data
->diag_rx_ep
= ep_desc
;
2659 if (!data
->diag_tx_ep
|| !data
->diag_rx_ep
) {
2660 BT_ERR("%s invalid diagnostic descriptors", hdev
->name
);
2667 static struct urb
*alloc_diag_urb(struct hci_dev
*hdev
, bool enable
)
2669 struct btusb_data
*data
= hci_get_drvdata(hdev
);
2670 struct sk_buff
*skb
;
2674 if (!data
->diag_tx_ep
)
2675 return ERR_PTR(-ENODEV
);
2677 urb
= usb_alloc_urb(0, GFP_KERNEL
);
2679 return ERR_PTR(-ENOMEM
);
2681 skb
= bt_skb_alloc(2, GFP_KERNEL
);
2684 return ERR_PTR(-ENOMEM
);
2687 *skb_put(skb
, 1) = 0xf0;
2688 *skb_put(skb
, 1) = enable
;
2690 pipe
= usb_sndbulkpipe(data
->udev
, data
->diag_tx_ep
->bEndpointAddress
);
2692 usb_fill_bulk_urb(urb
, data
->udev
, pipe
,
2693 skb
->data
, skb
->len
, btusb_tx_complete
, skb
);
2695 skb
->dev
= (void *)hdev
;
2700 static int btusb_bcm_set_diag(struct hci_dev
*hdev
, bool enable
)
2702 struct btusb_data
*data
= hci_get_drvdata(hdev
);
2708 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
2711 urb
= alloc_diag_urb(hdev
, enable
);
2713 return PTR_ERR(urb
);
2715 return submit_or_queue_tx_urb(hdev
, urb
);
2719 static int btusb_probe(struct usb_interface
*intf
,
2720 const struct usb_device_id
*id
)
2722 struct usb_endpoint_descriptor
*ep_desc
;
2723 struct btusb_data
*data
;
2724 struct hci_dev
*hdev
;
2725 unsigned ifnum_base
;
2728 BT_DBG("intf %p id %p", intf
, id
);
2730 /* interface numbers are hardcoded in the spec */
2731 if (intf
->cur_altsetting
->desc
.bInterfaceNumber
!= 0) {
2732 if (!(id
->driver_info
& BTUSB_IFNUM_2
))
2734 if (intf
->cur_altsetting
->desc
.bInterfaceNumber
!= 2)
2738 ifnum_base
= intf
->cur_altsetting
->desc
.bInterfaceNumber
;
2740 if (!id
->driver_info
) {
2741 const struct usb_device_id
*match
;
2743 match
= usb_match_id(intf
, blacklist_table
);
2748 if (id
->driver_info
== BTUSB_IGNORE
)
2751 if (id
->driver_info
& BTUSB_ATH3012
) {
2752 struct usb_device
*udev
= interface_to_usbdev(intf
);
2754 /* Old firmware would otherwise let ath3k driver load
2755 * patch and sysconfig files */
2756 if (le16_to_cpu(udev
->descriptor
.bcdDevice
) <= 0x0001)
2760 data
= devm_kzalloc(&intf
->dev
, sizeof(*data
), GFP_KERNEL
);
2764 for (i
= 0; i
< intf
->cur_altsetting
->desc
.bNumEndpoints
; i
++) {
2765 ep_desc
= &intf
->cur_altsetting
->endpoint
[i
].desc
;
2767 if (!data
->intr_ep
&& usb_endpoint_is_int_in(ep_desc
)) {
2768 data
->intr_ep
= ep_desc
;
2772 if (!data
->bulk_tx_ep
&& usb_endpoint_is_bulk_out(ep_desc
)) {
2773 data
->bulk_tx_ep
= ep_desc
;
2777 if (!data
->bulk_rx_ep
&& usb_endpoint_is_bulk_in(ep_desc
)) {
2778 data
->bulk_rx_ep
= ep_desc
;
2783 if (!data
->intr_ep
|| !data
->bulk_tx_ep
|| !data
->bulk_rx_ep
)
2786 if (id
->driver_info
& BTUSB_AMP
) {
2787 data
->cmdreq_type
= USB_TYPE_CLASS
| 0x01;
2788 data
->cmdreq
= 0x2b;
2790 data
->cmdreq_type
= USB_TYPE_CLASS
;
2791 data
->cmdreq
= 0x00;
2794 data
->udev
= interface_to_usbdev(intf
);
2797 INIT_WORK(&data
->work
, btusb_work
);
2798 INIT_WORK(&data
->waker
, btusb_waker
);
2799 init_usb_anchor(&data
->deferred
);
2800 init_usb_anchor(&data
->tx_anchor
);
2801 spin_lock_init(&data
->txlock
);
2803 init_usb_anchor(&data
->intr_anchor
);
2804 init_usb_anchor(&data
->bulk_anchor
);
2805 init_usb_anchor(&data
->isoc_anchor
);
2806 init_usb_anchor(&data
->diag_anchor
);
2807 spin_lock_init(&data
->rxlock
);
2809 if (id
->driver_info
& BTUSB_INTEL_NEW
) {
2810 data
->recv_event
= btusb_recv_event_intel
;
2811 data
->recv_bulk
= btusb_recv_bulk_intel
;
2812 set_bit(BTUSB_BOOTLOADER
, &data
->flags
);
2814 data
->recv_event
= hci_recv_frame
;
2815 data
->recv_bulk
= btusb_recv_bulk
;
2818 hdev
= hci_alloc_dev();
2822 hdev
->bus
= HCI_USB
;
2823 hci_set_drvdata(hdev
, data
);
2825 if (id
->driver_info
& BTUSB_AMP
)
2826 hdev
->dev_type
= HCI_AMP
;
2828 hdev
->dev_type
= HCI_BREDR
;
2832 SET_HCIDEV_DEV(hdev
, &intf
->dev
);
2834 hdev
->open
= btusb_open
;
2835 hdev
->close
= btusb_close
;
2836 hdev
->flush
= btusb_flush
;
2837 hdev
->send
= btusb_send_frame
;
2838 hdev
->notify
= btusb_notify
;
2840 if (id
->driver_info
& BTUSB_BCM2045
)
2841 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY
, &hdev
->quirks
);
2843 if (id
->driver_info
& BTUSB_BCM92035
)
2844 hdev
->setup
= btusb_setup_bcm92035
;
2846 #ifdef CONFIG_BT_HCIBTUSB_BCM
2847 if (id
->driver_info
& BTUSB_BCM_PATCHRAM
) {
2848 hdev
->manufacturer
= 15;
2849 hdev
->setup
= btbcm_setup_patchram
;
2850 hdev
->set_diag
= btusb_bcm_set_diag
;
2851 hdev
->set_bdaddr
= btbcm_set_bdaddr
;
2853 /* Broadcom LM_DIAG Interface numbers are hardcoded */
2854 data
->diag
= usb_ifnum_to_if(data
->udev
, ifnum_base
+ 2);
2857 if (id
->driver_info
& BTUSB_BCM_APPLE
) {
2858 hdev
->manufacturer
= 15;
2859 hdev
->setup
= btbcm_setup_apple
;
2860 hdev
->set_diag
= btusb_bcm_set_diag
;
2862 /* Broadcom LM_DIAG Interface numbers are hardcoded */
2863 data
->diag
= usb_ifnum_to_if(data
->udev
, ifnum_base
+ 2);
2867 if (id
->driver_info
& BTUSB_INTEL
) {
2868 hdev
->manufacturer
= 2;
2869 hdev
->setup
= btusb_setup_intel
;
2870 hdev
->shutdown
= btusb_shutdown_intel
;
2871 hdev
->set_diag
= btintel_set_diag_mfg
;
2872 hdev
->set_bdaddr
= btintel_set_bdaddr
;
2873 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
2874 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY
, &hdev
->quirks
);
2875 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG
, &hdev
->quirks
);
2878 if (id
->driver_info
& BTUSB_INTEL_NEW
) {
2879 hdev
->manufacturer
= 2;
2880 hdev
->send
= btusb_send_frame_intel
;
2881 hdev
->setup
= btusb_setup_intel_new
;
2882 hdev
->hw_error
= btintel_hw_error
;
2883 hdev
->set_diag
= btintel_set_diag
;
2884 hdev
->set_bdaddr
= btintel_set_bdaddr
;
2885 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
2886 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG
, &hdev
->quirks
);
2889 if (id
->driver_info
& BTUSB_MARVELL
)
2890 hdev
->set_bdaddr
= btusb_set_bdaddr_marvell
;
2892 if (id
->driver_info
& BTUSB_SWAVE
) {
2893 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE
, &hdev
->quirks
);
2894 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS
, &hdev
->quirks
);
2897 if (id
->driver_info
& BTUSB_INTEL_BOOT
) {
2898 hdev
->manufacturer
= 2;
2899 set_bit(HCI_QUIRK_RAW_DEVICE
, &hdev
->quirks
);
2902 if (id
->driver_info
& BTUSB_ATH3012
) {
2903 hdev
->set_bdaddr
= btusb_set_bdaddr_ath3012
;
2904 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY
, &hdev
->quirks
);
2905 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
2908 if (id
->driver_info
& BTUSB_QCA_ROME
) {
2909 data
->setup_on_usb
= btusb_setup_qca
;
2910 hdev
->set_bdaddr
= btusb_set_bdaddr_ath3012
;
2913 #ifdef CONFIG_BT_HCIBTUSB_RTL
2914 if (id
->driver_info
& BTUSB_REALTEK
) {
2915 hdev
->setup
= btrtl_setup_realtek
;
2917 /* Realtek devices lose their updated firmware over suspend,
2918 * but the USB hub doesn't notice any status change.
2919 * Explicitly request a device reset on resume.
2921 set_bit(BTUSB_RESET_RESUME
, &data
->flags
);
2925 if (id
->driver_info
& BTUSB_AMP
) {
2926 /* AMP controllers do not support SCO packets */
2929 /* Interface orders are hardcoded in the specification */
2930 data
->isoc
= usb_ifnum_to_if(data
->udev
, ifnum_base
+ 1);
2934 set_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
2936 if (force_scofix
|| id
->driver_info
& BTUSB_WRONG_SCO_MTU
) {
2937 if (!disable_scofix
)
2938 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE
, &hdev
->quirks
);
2941 if (id
->driver_info
& BTUSB_BROKEN_ISOC
)
2944 if (id
->driver_info
& BTUSB_DIGIANSWER
) {
2945 data
->cmdreq_type
= USB_TYPE_VENDOR
;
2946 set_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
2949 if (id
->driver_info
& BTUSB_CSR
) {
2950 struct usb_device
*udev
= data
->udev
;
2951 u16 bcdDevice
= le16_to_cpu(udev
->descriptor
.bcdDevice
);
2953 /* Old firmware would otherwise execute USB reset */
2954 if (bcdDevice
< 0x117)
2955 set_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
2957 /* Fake CSR devices with broken commands */
2958 if (bcdDevice
<= 0x100 || bcdDevice
== 0x134)
2959 hdev
->setup
= btusb_setup_csr
;
2961 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY
, &hdev
->quirks
);
2964 if (id
->driver_info
& BTUSB_SNIFFER
) {
2965 struct usb_device
*udev
= data
->udev
;
2967 /* New sniffer firmware has crippled HCI interface */
2968 if (le16_to_cpu(udev
->descriptor
.bcdDevice
) > 0x997)
2969 set_bit(HCI_QUIRK_RAW_DEVICE
, &hdev
->quirks
);
2972 if (id
->driver_info
& BTUSB_INTEL_BOOT
) {
2973 /* A bug in the bootloader causes that interrupt interface is
2974 * only enabled after receiving SetInterface(0, AltSetting=0).
2976 err
= usb_set_interface(data
->udev
, 0, 0);
2978 BT_ERR("failed to set interface 0, alt 0 %d", err
);
2985 err
= usb_driver_claim_interface(&btusb_driver
,
2993 #ifdef CONFIG_BT_HCIBTUSB_BCM
2995 if (!usb_driver_claim_interface(&btusb_driver
,
2997 __set_diag_interface(hdev
);
3003 err
= hci_register_dev(hdev
);
3009 usb_set_intfdata(intf
, data
);
3014 static void btusb_disconnect(struct usb_interface
*intf
)
3016 struct btusb_data
*data
= usb_get_intfdata(intf
);
3017 struct hci_dev
*hdev
;
3019 BT_DBG("intf %p", intf
);
3025 usb_set_intfdata(data
->intf
, NULL
);
3028 usb_set_intfdata(data
->isoc
, NULL
);
3031 usb_set_intfdata(data
->diag
, NULL
);
3033 hci_unregister_dev(hdev
);
3035 if (intf
== data
->intf
) {
3037 usb_driver_release_interface(&btusb_driver
, data
->isoc
);
3039 usb_driver_release_interface(&btusb_driver
, data
->diag
);
3040 } else if (intf
== data
->isoc
) {
3042 usb_driver_release_interface(&btusb_driver
, data
->diag
);
3043 usb_driver_release_interface(&btusb_driver
, data
->intf
);
3044 } else if (intf
== data
->diag
) {
3045 usb_driver_release_interface(&btusb_driver
, data
->intf
);
3047 usb_driver_release_interface(&btusb_driver
, data
->isoc
);
3054 static int btusb_suspend(struct usb_interface
*intf
, pm_message_t message
)
3056 struct btusb_data
*data
= usb_get_intfdata(intf
);
3058 BT_DBG("intf %p", intf
);
3060 if (data
->suspend_count
++)
3063 spin_lock_irq(&data
->txlock
);
3064 if (!(PMSG_IS_AUTO(message
) && data
->tx_in_flight
)) {
3065 set_bit(BTUSB_SUSPENDING
, &data
->flags
);
3066 spin_unlock_irq(&data
->txlock
);
3068 spin_unlock_irq(&data
->txlock
);
3069 data
->suspend_count
--;
3073 cancel_work_sync(&data
->work
);
3075 btusb_stop_traffic(data
);
3076 usb_kill_anchored_urbs(&data
->tx_anchor
);
3078 /* Optionally request a device reset on resume, but only when
3079 * wakeups are disabled. If wakeups are enabled we assume the
3080 * device will stay powered up throughout suspend.
3082 if (test_bit(BTUSB_RESET_RESUME
, &data
->flags
) &&
3083 !device_may_wakeup(&data
->udev
->dev
))
3084 data
->udev
->reset_resume
= 1;
3089 static void play_deferred(struct btusb_data
*data
)
3094 while ((urb
= usb_get_from_anchor(&data
->deferred
))) {
3095 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
3099 data
->tx_in_flight
++;
3101 usb_scuttle_anchored_urbs(&data
->deferred
);
3104 static int btusb_resume(struct usb_interface
*intf
)
3106 struct btusb_data
*data
= usb_get_intfdata(intf
);
3107 struct hci_dev
*hdev
= data
->hdev
;
3110 BT_DBG("intf %p", intf
);
3112 if (--data
->suspend_count
)
3115 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
3118 if (test_bit(BTUSB_INTR_RUNNING
, &data
->flags
)) {
3119 err
= btusb_submit_intr_urb(hdev
, GFP_NOIO
);
3121 clear_bit(BTUSB_INTR_RUNNING
, &data
->flags
);
3126 if (test_bit(BTUSB_BULK_RUNNING
, &data
->flags
)) {
3127 err
= btusb_submit_bulk_urb(hdev
, GFP_NOIO
);
3129 clear_bit(BTUSB_BULK_RUNNING
, &data
->flags
);
3133 btusb_submit_bulk_urb(hdev
, GFP_NOIO
);
3136 if (test_bit(BTUSB_ISOC_RUNNING
, &data
->flags
)) {
3137 if (btusb_submit_isoc_urb(hdev
, GFP_NOIO
) < 0)
3138 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
3140 btusb_submit_isoc_urb(hdev
, GFP_NOIO
);
3143 spin_lock_irq(&data
->txlock
);
3144 play_deferred(data
);
3145 clear_bit(BTUSB_SUSPENDING
, &data
->flags
);
3146 spin_unlock_irq(&data
->txlock
);
3147 schedule_work(&data
->work
);
3152 usb_scuttle_anchored_urbs(&data
->deferred
);
3154 spin_lock_irq(&data
->txlock
);
3155 clear_bit(BTUSB_SUSPENDING
, &data
->flags
);
3156 spin_unlock_irq(&data
->txlock
);
3162 static struct usb_driver btusb_driver
= {
3164 .probe
= btusb_probe
,
3165 .disconnect
= btusb_disconnect
,
3167 .suspend
= btusb_suspend
,
3168 .resume
= btusb_resume
,
3170 .id_table
= btusb_table
,
3171 .supports_autosuspend
= 1,
3172 .disable_hub_initiated_lpm
= 1,
3175 module_usb_driver(btusb_driver
);
3177 module_param(disable_scofix
, bool, 0644);
3178 MODULE_PARM_DESC(disable_scofix
, "Disable fixup of wrong SCO buffer size");
3180 module_param(force_scofix
, bool, 0644);
3181 MODULE_PARM_DESC(force_scofix
, "Force fixup of wrong SCO buffers size");
3183 module_param(reset
, bool, 0644);
3184 MODULE_PARM_DESC(reset
, "Send HCI reset command on initialization");
3186 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
3187 MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION
);
3188 MODULE_VERSION(VERSION
);
3189 MODULE_LICENSE("GPL");