3 * Generic Bluetooth USB driver
5 * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #include <linux/module.h>
25 #include <linux/usb.h>
26 #include <linux/firmware.h>
27 #include <linux/of_device.h>
28 #include <linux/of_irq.h>
29 #include <linux/suspend.h>
30 #include <asm/unaligned.h>
32 #include <net/bluetooth/bluetooth.h>
33 #include <net/bluetooth/hci_core.h>
41 static bool disable_scofix;
42 static bool force_scofix;
44 static bool reset = true;
46 static struct usb_driver btusb_driver;
48 #define BTUSB_IGNORE 0x01
49 #define BTUSB_DIGIANSWER 0x02
50 #define BTUSB_CSR 0x04
51 #define BTUSB_SNIFFER 0x08
52 #define BTUSB_BCM92035 0x10
53 #define BTUSB_BROKEN_ISOC 0x20
54 #define BTUSB_WRONG_SCO_MTU 0x40
55 #define BTUSB_ATH3012 0x80
56 #define BTUSB_INTEL 0x100
57 #define BTUSB_INTEL_BOOT 0x200
58 #define BTUSB_BCM_PATCHRAM 0x400
59 #define BTUSB_MARVELL 0x800
60 #define BTUSB_SWAVE 0x1000
61 #define BTUSB_INTEL_NEW 0x2000
62 #define BTUSB_AMP 0x4000
63 #define BTUSB_QCA_ROME 0x8000
64 #define BTUSB_BCM_APPLE 0x10000
65 #define BTUSB_REALTEK 0x20000
66 #define BTUSB_BCM2045 0x40000
67 #define BTUSB_IFNUM_2 0x80000
68 #define BTUSB_CW6622 0x100000
69 #define BTUSB_BCM_NO_PRODID 0x200000
71 static const struct usb_device_id btusb_table[] = {
72 /* Generic Bluetooth USB device */
73 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
75 /* Generic Bluetooth AMP device */
76 { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP },
78 /* Generic Bluetooth USB interface */
79 { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) },
81 /* Apple-specific (Broadcom) devices */
82 { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01),
83 .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 },
85 /* MediaTek MT76x0E */
86 { USB_DEVICE(0x0e8d, 0x763f) },
88 /* Broadcom SoftSailing reporting vendor specific */
89 { USB_DEVICE(0x0a5c, 0x21e1) },
91 /* Apple MacBookPro 7,1 */
92 { USB_DEVICE(0x05ac, 0x8213) },
95 { USB_DEVICE(0x05ac, 0x8215) },
97 /* Apple MacBookPro6,2 */
98 { USB_DEVICE(0x05ac, 0x8218) },
100 /* Apple MacBookAir3,1, MacBookAir3,2 */
101 { USB_DEVICE(0x05ac, 0x821b) },
103 /* Apple MacBookAir4,1 */
104 { USB_DEVICE(0x05ac, 0x821f) },
106 /* Apple MacBookPro8,2 */
107 { USB_DEVICE(0x05ac, 0x821a) },
109 /* Apple MacMini5,1 */
110 { USB_DEVICE(0x05ac, 0x8281) },
112 /* AVM BlueFRITZ! USB v2.0 */
113 { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE },
115 /* Bluetooth Ultraport Module from IBM */
116 { USB_DEVICE(0x04bf, 0x030a) },
118 /* ALPS Modules with non-standard id */
119 { USB_DEVICE(0x044e, 0x3001) },
120 { USB_DEVICE(0x044e, 0x3002) },
122 /* Ericsson with non-standard id */
123 { USB_DEVICE(0x0bdb, 0x1002) },
125 /* Canyon CN-BTU1 with HID interfaces */
126 { USB_DEVICE(0x0c10, 0x0000) },
128 /* Broadcom BCM20702A0 */
129 { USB_DEVICE(0x413c, 0x8197) },
131 /* Broadcom BCM20702B0 (Dynex/Insignia) */
132 { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM },
134 /* Broadcom BCM43142A0 (Foxconn/Lenovo) */
135 { USB_VENDOR_AND_INTERFACE_INFO(0x105b, 0xff, 0x01, 0x01),
136 .driver_info = BTUSB_BCM_PATCHRAM },
138 /* Broadcom BCM920703 (HTC Vive) */
139 { USB_VENDOR_AND_INTERFACE_INFO(0x0bb4, 0xff, 0x01, 0x01),
140 .driver_info = BTUSB_BCM_PATCHRAM },
142 /* Foxconn - Hon Hai */
143 { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
144 .driver_info = BTUSB_BCM_PATCHRAM },
146 /* Lite-On Technology - Broadcom based */
147 { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01),
148 .driver_info = BTUSB_BCM_PATCHRAM },
150 /* Broadcom devices with vendor specific id */
151 { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01),
152 .driver_info = BTUSB_BCM_PATCHRAM },
154 /* ASUSTek Computer - Broadcom based */
155 { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01),
156 .driver_info = BTUSB_BCM_PATCHRAM },
158 /* Belkin F8065bf - Broadcom based */
159 { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01),
160 .driver_info = BTUSB_BCM_PATCHRAM },
162 /* IMC Networks - Broadcom based */
163 { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01),
164 .driver_info = BTUSB_BCM_PATCHRAM },
166 /* Dell Computer - Broadcom based */
167 { USB_VENDOR_AND_INTERFACE_INFO(0x413c, 0xff, 0x01, 0x01),
168 .driver_info = BTUSB_BCM_PATCHRAM },
170 /* Toshiba Corp - Broadcom based */
171 { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01),
172 .driver_info = BTUSB_BCM_PATCHRAM },
174 /* Broadcom devices with missing product id */
175 { USB_DEVICE_AND_INTERFACE_INFO(0x0000, 0x0000, 0xff, 0x01, 0x01),
176 .driver_info = BTUSB_BCM_PATCHRAM | BTUSB_BCM_NO_PRODID },
178 /* Intel Bluetooth USB Bootloader (RAM module) */
179 { USB_DEVICE(0x8087, 0x0a5a),
180 .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC },
182 { } /* Terminating entry */
185 MODULE_DEVICE_TABLE(usb, btusb_table);
187 static const struct usb_device_id blacklist_table[] = {
188 /* CSR BlueCore devices */
189 { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
191 /* Broadcom BCM2033 without firmware */
192 { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
194 /* Broadcom BCM2045 devices */
195 { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 },
197 /* Atheros 3011 with sflash firmware */
198 { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
199 { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
200 { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE },
201 { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
202 { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
203 { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
204 { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
206 /* Atheros AR9285 Malbec with sflash firmware */
207 { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
209 /* Atheros 3012 with sflash firmware */
210 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
211 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
212 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
213 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
214 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
215 { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
216 { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
217 { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
218 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
219 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
220 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
221 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
222 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
223 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
224 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
225 { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
226 { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
227 { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
228 { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
229 { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 },
230 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
231 { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
232 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
233 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
234 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
235 { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
236 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
237 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
238 { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
239 { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 },
240 { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 },
241 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
242 { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
243 { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 },
244 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
245 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
246 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
247 { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
248 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
249 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
250 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
251 { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
252 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
253 { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
254 { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
255 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
256 { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
257 { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
258 { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 },
259 { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 },
261 /* Atheros AR5BBU12 with sflash firmware */
262 { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
264 /* Atheros AR5BBU12 with sflash firmware */
265 { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
266 { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
268 /* QCA ROME chipset */
269 { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME },
270 { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME },
271 { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME },
272 { USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME },
273 { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME },
274 { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME },
275 { USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME },
276 { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME },
277 { USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME },
279 /* Broadcom BCM2035 */
280 { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
281 { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
282 { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
284 /* Broadcom BCM2045 */
285 { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
286 { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
288 /* IBM/Lenovo ThinkPad with Broadcom chip */
289 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
290 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
292 /* HP laptop with Broadcom chip */
293 { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
295 /* Dell laptop with Broadcom chip */
296 { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
298 /* Dell Wireless 370 and 410 devices */
299 { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
300 { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
302 /* Belkin F8T012 and F8T013 devices */
303 { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
304 { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
306 /* Asus WL-BTD202 device */
307 { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
309 /* Kensington Bluetooth USB adapter */
310 { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
312 /* RTX Telecom based adapters with buggy SCO support */
313 { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
314 { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
316 /* CONWISE Technology based adapters with buggy SCO support */
317 { USB_DEVICE(0x0e5e, 0x6622),
318 .driver_info = BTUSB_BROKEN_ISOC | BTUSB_CW6622},
320 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
321 { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE },
323 /* Digianswer devices */
324 { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
325 { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
327 /* CSR BlueCore Bluetooth Sniffer */
328 { USB_DEVICE(0x0a12, 0x0002),
329 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
331 /* Frontline ComProbe Bluetooth Sniffer */
332 { USB_DEVICE(0x16d3, 0x0002),
333 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
335 /* Marvell Bluetooth devices */
336 { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL },
337 { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL },
338 { USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL },
340 /* Intel Bluetooth devices */
341 { USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_NEW },
342 { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR },
343 { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
344 { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL },
345 { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW },
346 { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL },
347 { USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_NEW },
349 /* Other Intel Bluetooth devices */
350 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
351 .driver_info = BTUSB_IGNORE },
353 /* Realtek Bluetooth devices */
354 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
355 .driver_info = BTUSB_REALTEK },
357 /* Additional Realtek 8723AE Bluetooth devices */
358 { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
359 { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK },
361 /* Additional Realtek 8723BE Bluetooth devices */
362 { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK },
363 { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK },
364 { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK },
365 { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK },
366 { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK },
367 { USB_DEVICE(0x13d3, 0x3494), .driver_info = BTUSB_REALTEK },
369 /* Additional Realtek 8821AE Bluetooth devices */
370 { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK },
371 { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK },
372 { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK },
373 { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK },
374 { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK },
376 /* Silicon Wave based devices */
377 { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE },
379 { } /* Terminating entry */
382 #define BTUSB_MAX_ISOC_FRAMES 10
384 #define BTUSB_INTR_RUNNING 0
385 #define BTUSB_BULK_RUNNING 1
386 #define BTUSB_ISOC_RUNNING 2
387 #define BTUSB_SUSPENDING 3
388 #define BTUSB_DID_ISO_RESUME 4
389 #define BTUSB_BOOTLOADER 5
390 #define BTUSB_DOWNLOADING 6
391 #define BTUSB_FIRMWARE_LOADED 7
392 #define BTUSB_FIRMWARE_FAILED 8
393 #define BTUSB_BOOTING 9
394 #define BTUSB_RESET_RESUME 10
395 #define BTUSB_DIAG_RUNNING 11
396 #define BTUSB_OOB_WAKE_ENABLED 12
399 struct hci_dev *hdev;
400 struct usb_device *udev;
401 struct usb_interface *intf;
402 struct usb_interface *isoc;
403 struct usb_interface *diag;
407 struct work_struct work;
408 struct work_struct waker;
410 struct usb_anchor deferred;
411 struct usb_anchor tx_anchor;
415 struct usb_anchor intr_anchor;
416 struct usb_anchor bulk_anchor;
417 struct usb_anchor isoc_anchor;
418 struct usb_anchor diag_anchor;
421 struct sk_buff *evt_skb;
422 struct sk_buff *acl_skb;
423 struct sk_buff *sco_skb;
425 struct usb_endpoint_descriptor *intr_ep;
426 struct usb_endpoint_descriptor *bulk_tx_ep;
427 struct usb_endpoint_descriptor *bulk_rx_ep;
428 struct usb_endpoint_descriptor *isoc_tx_ep;
429 struct usb_endpoint_descriptor *isoc_rx_ep;
430 struct usb_endpoint_descriptor *diag_tx_ep;
431 struct usb_endpoint_descriptor *diag_rx_ep;
436 unsigned int sco_num;
440 int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb);
441 int (*recv_bulk)(struct btusb_data *data, void *buffer, int count);
443 int (*setup_on_usb)(struct hci_dev *hdev);
445 int oob_wake_irq; /* irq for out-of-band wake-on-bt */
448 static inline void btusb_free_frags(struct btusb_data *data)
452 spin_lock_irqsave(&data->rxlock, flags);
454 kfree_skb(data->evt_skb);
455 data->evt_skb = NULL;
457 kfree_skb(data->acl_skb);
458 data->acl_skb = NULL;
460 kfree_skb(data->sco_skb);
461 data->sco_skb = NULL;
463 spin_unlock_irqrestore(&data->rxlock, flags);
466 static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count)
471 spin_lock(&data->rxlock);
478 skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC);
484 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
485 hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE;
488 len = min_t(uint, hci_skb_expect(skb), count);
489 skb_put_data(skb, buffer, len);
493 hci_skb_expect(skb) -= len;
495 if (skb->len == HCI_EVENT_HDR_SIZE) {
496 /* Complete event header */
497 hci_skb_expect(skb) = hci_event_hdr(skb)->plen;
499 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
508 if (!hci_skb_expect(skb)) {
510 data->recv_event(data->hdev, skb);
516 spin_unlock(&data->rxlock);
521 static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
526 spin_lock(&data->rxlock);
533 skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
539 hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT;
540 hci_skb_expect(skb) = HCI_ACL_HDR_SIZE;
543 len = min_t(uint, hci_skb_expect(skb), count);
544 skb_put_data(skb, buffer, len);
548 hci_skb_expect(skb) -= len;
550 if (skb->len == HCI_ACL_HDR_SIZE) {
551 __le16 dlen = hci_acl_hdr(skb)->dlen;
553 /* Complete ACL header */
554 hci_skb_expect(skb) = __le16_to_cpu(dlen);
556 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
565 if (!hci_skb_expect(skb)) {
567 hci_recv_frame(data->hdev, skb);
573 spin_unlock(&data->rxlock);
578 static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count)
583 spin_lock(&data->rxlock);
590 skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC);
596 hci_skb_pkt_type(skb) = HCI_SCODATA_PKT;
597 hci_skb_expect(skb) = HCI_SCO_HDR_SIZE;
600 len = min_t(uint, hci_skb_expect(skb), count);
601 skb_put_data(skb, buffer, len);
605 hci_skb_expect(skb) -= len;
607 if (skb->len == HCI_SCO_HDR_SIZE) {
608 /* Complete SCO header */
609 hci_skb_expect(skb) = hci_sco_hdr(skb)->dlen;
611 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
620 if (!hci_skb_expect(skb)) {
622 hci_recv_frame(data->hdev, skb);
628 spin_unlock(&data->rxlock);
633 static void btusb_intr_complete(struct urb *urb)
635 struct hci_dev *hdev = urb->context;
636 struct btusb_data *data = hci_get_drvdata(hdev);
639 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
642 if (!test_bit(HCI_RUNNING, &hdev->flags))
645 if (urb->status == 0) {
646 hdev->stat.byte_rx += urb->actual_length;
648 if (btusb_recv_intr(data, urb->transfer_buffer,
649 urb->actual_length) < 0) {
650 BT_ERR("%s corrupted event packet", hdev->name);
653 } else if (urb->status == -ENOENT) {
654 /* Avoid suspend failed when usb_kill_urb */
658 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
661 usb_mark_last_busy(data->udev);
662 usb_anchor_urb(urb, &data->intr_anchor);
664 err = usb_submit_urb(urb, GFP_ATOMIC);
666 /* -EPERM: urb is being killed;
667 * -ENODEV: device got disconnected
669 if (err != -EPERM && err != -ENODEV)
670 BT_ERR("%s urb %p failed to resubmit (%d)",
671 hdev->name, urb, -err);
672 usb_unanchor_urb(urb);
676 static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
678 struct btusb_data *data = hci_get_drvdata(hdev);
684 BT_DBG("%s", hdev->name);
689 urb = usb_alloc_urb(0, mem_flags);
693 size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
695 buf = kmalloc(size, mem_flags);
701 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
703 usb_fill_int_urb(urb, data->udev, pipe, buf, size,
704 btusb_intr_complete, hdev, data->intr_ep->bInterval);
706 urb->transfer_flags |= URB_FREE_BUFFER;
708 usb_anchor_urb(urb, &data->intr_anchor);
710 err = usb_submit_urb(urb, mem_flags);
712 if (err != -EPERM && err != -ENODEV)
713 BT_ERR("%s urb %p submission failed (%d)",
714 hdev->name, urb, -err);
715 usb_unanchor_urb(urb);
723 static void btusb_bulk_complete(struct urb *urb)
725 struct hci_dev *hdev = urb->context;
726 struct btusb_data *data = hci_get_drvdata(hdev);
729 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
732 if (!test_bit(HCI_RUNNING, &hdev->flags))
735 if (urb->status == 0) {
736 hdev->stat.byte_rx += urb->actual_length;
738 if (data->recv_bulk(data, urb->transfer_buffer,
739 urb->actual_length) < 0) {
740 BT_ERR("%s corrupted ACL packet", hdev->name);
743 } else if (urb->status == -ENOENT) {
744 /* Avoid suspend failed when usb_kill_urb */
748 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
751 usb_anchor_urb(urb, &data->bulk_anchor);
752 usb_mark_last_busy(data->udev);
754 err = usb_submit_urb(urb, GFP_ATOMIC);
756 /* -EPERM: urb is being killed;
757 * -ENODEV: device got disconnected
759 if (err != -EPERM && err != -ENODEV)
760 BT_ERR("%s urb %p failed to resubmit (%d)",
761 hdev->name, urb, -err);
762 usb_unanchor_urb(urb);
766 static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
768 struct btusb_data *data = hci_get_drvdata(hdev);
772 int err, size = HCI_MAX_FRAME_SIZE;
774 BT_DBG("%s", hdev->name);
776 if (!data->bulk_rx_ep)
779 urb = usb_alloc_urb(0, mem_flags);
783 buf = kmalloc(size, mem_flags);
789 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
791 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
792 btusb_bulk_complete, hdev);
794 urb->transfer_flags |= URB_FREE_BUFFER;
796 usb_mark_last_busy(data->udev);
797 usb_anchor_urb(urb, &data->bulk_anchor);
799 err = usb_submit_urb(urb, mem_flags);
801 if (err != -EPERM && err != -ENODEV)
802 BT_ERR("%s urb %p submission failed (%d)",
803 hdev->name, urb, -err);
804 usb_unanchor_urb(urb);
812 static void btusb_isoc_complete(struct urb *urb)
814 struct hci_dev *hdev = urb->context;
815 struct btusb_data *data = hci_get_drvdata(hdev);
818 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
821 if (!test_bit(HCI_RUNNING, &hdev->flags))
824 if (urb->status == 0) {
825 for (i = 0; i < urb->number_of_packets; i++) {
826 unsigned int offset = urb->iso_frame_desc[i].offset;
827 unsigned int length = urb->iso_frame_desc[i].actual_length;
829 if (urb->iso_frame_desc[i].status)
832 hdev->stat.byte_rx += length;
834 if (btusb_recv_isoc(data, urb->transfer_buffer + offset,
836 BT_ERR("%s corrupted SCO packet", hdev->name);
840 } else if (urb->status == -ENOENT) {
841 /* Avoid suspend failed when usb_kill_urb */
845 if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
848 usb_anchor_urb(urb, &data->isoc_anchor);
850 err = usb_submit_urb(urb, GFP_ATOMIC);
852 /* -EPERM: urb is being killed;
853 * -ENODEV: device got disconnected
855 if (err != -EPERM && err != -ENODEV)
856 BT_ERR("%s urb %p failed to resubmit (%d)",
857 hdev->name, urb, -err);
858 usb_unanchor_urb(urb);
862 static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
866 BT_DBG("len %d mtu %d", len, mtu);
868 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
869 i++, offset += mtu, len -= mtu) {
870 urb->iso_frame_desc[i].offset = offset;
871 urb->iso_frame_desc[i].length = mtu;
874 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
875 urb->iso_frame_desc[i].offset = offset;
876 urb->iso_frame_desc[i].length = len;
880 urb->number_of_packets = i;
883 static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
885 struct btusb_data *data = hci_get_drvdata(hdev);
891 BT_DBG("%s", hdev->name);
893 if (!data->isoc_rx_ep)
896 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
900 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
901 BTUSB_MAX_ISOC_FRAMES;
903 buf = kmalloc(size, mem_flags);
909 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
911 usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
912 hdev, data->isoc_rx_ep->bInterval);
914 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
916 __fill_isoc_descriptor(urb, size,
917 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
919 usb_anchor_urb(urb, &data->isoc_anchor);
921 err = usb_submit_urb(urb, mem_flags);
923 if (err != -EPERM && err != -ENODEV)
924 BT_ERR("%s urb %p submission failed (%d)",
925 hdev->name, urb, -err);
926 usb_unanchor_urb(urb);
934 static void btusb_diag_complete(struct urb *urb)
936 struct hci_dev *hdev = urb->context;
937 struct btusb_data *data = hci_get_drvdata(hdev);
940 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
943 if (urb->status == 0) {
946 skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC);
948 skb_put_data(skb, urb->transfer_buffer,
950 hci_recv_diag(hdev, skb);
952 } else if (urb->status == -ENOENT) {
953 /* Avoid suspend failed when usb_kill_urb */
957 if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags))
960 usb_anchor_urb(urb, &data->diag_anchor);
961 usb_mark_last_busy(data->udev);
963 err = usb_submit_urb(urb, GFP_ATOMIC);
965 /* -EPERM: urb is being killed;
966 * -ENODEV: device got disconnected
968 if (err != -EPERM && err != -ENODEV)
969 BT_ERR("%s urb %p failed to resubmit (%d)",
970 hdev->name, urb, -err);
971 usb_unanchor_urb(urb);
975 static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags)
977 struct btusb_data *data = hci_get_drvdata(hdev);
981 int err, size = HCI_MAX_FRAME_SIZE;
983 BT_DBG("%s", hdev->name);
985 if (!data->diag_rx_ep)
988 urb = usb_alloc_urb(0, mem_flags);
992 buf = kmalloc(size, mem_flags);
998 pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress);
1000 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
1001 btusb_diag_complete, hdev);
1003 urb->transfer_flags |= URB_FREE_BUFFER;
1005 usb_mark_last_busy(data->udev);
1006 usb_anchor_urb(urb, &data->diag_anchor);
1008 err = usb_submit_urb(urb, mem_flags);
1010 if (err != -EPERM && err != -ENODEV)
1011 BT_ERR("%s urb %p submission failed (%d)",
1012 hdev->name, urb, -err);
1013 usb_unanchor_urb(urb);
1021 static void btusb_tx_complete(struct urb *urb)
1023 struct sk_buff *skb = urb->context;
1024 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
1025 struct btusb_data *data = hci_get_drvdata(hdev);
1027 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1028 urb->actual_length);
1030 if (!test_bit(HCI_RUNNING, &hdev->flags))
1034 hdev->stat.byte_tx += urb->transfer_buffer_length;
1036 hdev->stat.err_tx++;
1039 spin_lock(&data->txlock);
1040 data->tx_in_flight--;
1041 spin_unlock(&data->txlock);
1043 kfree(urb->setup_packet);
1048 static void btusb_isoc_tx_complete(struct urb *urb)
1050 struct sk_buff *skb = urb->context;
1051 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
1053 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1054 urb->actual_length);
1056 if (!test_bit(HCI_RUNNING, &hdev->flags))
1060 hdev->stat.byte_tx += urb->transfer_buffer_length;
1062 hdev->stat.err_tx++;
1065 kfree(urb->setup_packet);
1070 static int btusb_open(struct hci_dev *hdev)
1072 struct btusb_data *data = hci_get_drvdata(hdev);
1075 BT_DBG("%s", hdev->name);
1077 err = usb_autopm_get_interface(data->intf);
1081 /* Patching USB firmware files prior to starting any URBs of HCI path
1082 * It is more safe to use USB bulk channel for downloading USB patch
1084 if (data->setup_on_usb) {
1085 err = data->setup_on_usb(hdev);
1090 data->intf->needs_remote_wakeup = 1;
1091 /* device specific wakeup source enabled and required for USB
1092 * remote wakeup while host is suspended
1094 device_wakeup_enable(&data->udev->dev);
1096 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
1099 err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
1103 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
1105 usb_kill_anchored_urbs(&data->intr_anchor);
1109 set_bit(BTUSB_BULK_RUNNING, &data->flags);
1110 btusb_submit_bulk_urb(hdev, GFP_KERNEL);
1113 if (!btusb_submit_diag_urb(hdev, GFP_KERNEL))
1114 set_bit(BTUSB_DIAG_RUNNING, &data->flags);
1118 usb_autopm_put_interface(data->intf);
1122 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
1123 usb_autopm_put_interface(data->intf);
1127 static void btusb_stop_traffic(struct btusb_data *data)
1129 usb_kill_anchored_urbs(&data->intr_anchor);
1130 usb_kill_anchored_urbs(&data->bulk_anchor);
1131 usb_kill_anchored_urbs(&data->isoc_anchor);
1132 usb_kill_anchored_urbs(&data->diag_anchor);
1135 static int btusb_close(struct hci_dev *hdev)
1137 struct btusb_data *data = hci_get_drvdata(hdev);
1140 BT_DBG("%s", hdev->name);
1142 cancel_work_sync(&data->work);
1143 cancel_work_sync(&data->waker);
1145 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1146 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
1147 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
1148 clear_bit(BTUSB_DIAG_RUNNING, &data->flags);
1150 btusb_stop_traffic(data);
1151 btusb_free_frags(data);
1153 err = usb_autopm_get_interface(data->intf);
1157 data->intf->needs_remote_wakeup = 0;
1158 device_wakeup_disable(&data->udev->dev);
1159 usb_autopm_put_interface(data->intf);
1162 usb_scuttle_anchored_urbs(&data->deferred);
1166 static int btusb_flush(struct hci_dev *hdev)
1168 struct btusb_data *data = hci_get_drvdata(hdev);
1170 BT_DBG("%s", hdev->name);
1172 usb_kill_anchored_urbs(&data->tx_anchor);
1173 btusb_free_frags(data);
1178 static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb)
1180 struct btusb_data *data = hci_get_drvdata(hdev);
1181 struct usb_ctrlrequest *dr;
1185 urb = usb_alloc_urb(0, GFP_KERNEL);
1187 return ERR_PTR(-ENOMEM);
1189 dr = kmalloc(sizeof(*dr), GFP_KERNEL);
1192 return ERR_PTR(-ENOMEM);
1195 dr->bRequestType = data->cmdreq_type;
1196 dr->bRequest = data->cmdreq;
1199 dr->wLength = __cpu_to_le16(skb->len);
1201 pipe = usb_sndctrlpipe(data->udev, 0x00);
1203 usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
1204 skb->data, skb->len, btusb_tx_complete, skb);
1206 skb->dev = (void *)hdev;
1211 static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb)
1213 struct btusb_data *data = hci_get_drvdata(hdev);
1217 if (!data->bulk_tx_ep)
1218 return ERR_PTR(-ENODEV);
1220 urb = usb_alloc_urb(0, GFP_KERNEL);
1222 return ERR_PTR(-ENOMEM);
1224 pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress);
1226 usb_fill_bulk_urb(urb, data->udev, pipe,
1227 skb->data, skb->len, btusb_tx_complete, skb);
1229 skb->dev = (void *)hdev;
1234 static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb)
1236 struct btusb_data *data = hci_get_drvdata(hdev);
1240 if (!data->isoc_tx_ep)
1241 return ERR_PTR(-ENODEV);
1243 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL);
1245 return ERR_PTR(-ENOMEM);
1247 pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress);
1249 usb_fill_int_urb(urb, data->udev, pipe,
1250 skb->data, skb->len, btusb_isoc_tx_complete,
1251 skb, data->isoc_tx_ep->bInterval);
1253 urb->transfer_flags = URB_ISO_ASAP;
1255 __fill_isoc_descriptor(urb, skb->len,
1256 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
1258 skb->dev = (void *)hdev;
1263 static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb)
1265 struct btusb_data *data = hci_get_drvdata(hdev);
1268 usb_anchor_urb(urb, &data->tx_anchor);
1270 err = usb_submit_urb(urb, GFP_KERNEL);
1272 if (err != -EPERM && err != -ENODEV)
1273 BT_ERR("%s urb %p submission failed (%d)",
1274 hdev->name, urb, -err);
1275 kfree(urb->setup_packet);
1276 usb_unanchor_urb(urb);
1278 usb_mark_last_busy(data->udev);
1285 static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb)
1287 struct btusb_data *data = hci_get_drvdata(hdev);
1288 unsigned long flags;
1291 spin_lock_irqsave(&data->txlock, flags);
1292 suspending = test_bit(BTUSB_SUSPENDING, &data->flags);
1294 data->tx_in_flight++;
1295 spin_unlock_irqrestore(&data->txlock, flags);
1298 return submit_tx_urb(hdev, urb);
1300 usb_anchor_urb(urb, &data->deferred);
1301 schedule_work(&data->waker);
1307 static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
1311 BT_DBG("%s", hdev->name);
1313 switch (hci_skb_pkt_type(skb)) {
1314 case HCI_COMMAND_PKT:
1315 urb = alloc_ctrl_urb(hdev, skb);
1317 return PTR_ERR(urb);
1319 hdev->stat.cmd_tx++;
1320 return submit_or_queue_tx_urb(hdev, urb);
1322 case HCI_ACLDATA_PKT:
1323 urb = alloc_bulk_urb(hdev, skb);
1325 return PTR_ERR(urb);
1327 hdev->stat.acl_tx++;
1328 return submit_or_queue_tx_urb(hdev, urb);
1330 case HCI_SCODATA_PKT:
1331 if (hci_conn_num(hdev, SCO_LINK) < 1)
1334 urb = alloc_isoc_urb(hdev, skb);
1336 return PTR_ERR(urb);
1338 hdev->stat.sco_tx++;
1339 return submit_tx_urb(hdev, urb);
1345 static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
1347 struct btusb_data *data = hci_get_drvdata(hdev);
1349 BT_DBG("%s evt %d", hdev->name, evt);
1351 if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) {
1352 data->sco_num = hci_conn_num(hdev, SCO_LINK);
1353 schedule_work(&data->work);
1357 static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
1359 struct btusb_data *data = hci_get_drvdata(hdev);
1360 struct usb_interface *intf = data->isoc;
1361 struct usb_endpoint_descriptor *ep_desc;
1367 err = usb_set_interface(data->udev, 1, altsetting);
1369 BT_ERR("%s setting interface failed (%d)", hdev->name, -err);
1373 data->isoc_altsetting = altsetting;
1375 data->isoc_tx_ep = NULL;
1376 data->isoc_rx_ep = NULL;
1378 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
1379 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
1381 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
1382 data->isoc_tx_ep = ep_desc;
1386 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
1387 data->isoc_rx_ep = ep_desc;
1392 if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
1393 BT_ERR("%s invalid SCO descriptors", hdev->name);
1400 static void btusb_work(struct work_struct *work)
1402 struct btusb_data *data = container_of(work, struct btusb_data, work);
1403 struct hci_dev *hdev = data->hdev;
1407 if (data->sco_num > 0) {
1408 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
1409 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
1411 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1412 usb_kill_anchored_urbs(&data->isoc_anchor);
1416 set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
1419 if (hdev->voice_setting & 0x0020) {
1420 static const int alts[3] = { 2, 4, 5 };
1422 new_alts = alts[data->sco_num - 1];
1424 new_alts = data->sco_num;
1427 if (data->isoc_altsetting != new_alts) {
1428 unsigned long flags;
1430 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1431 usb_kill_anchored_urbs(&data->isoc_anchor);
1433 /* When isochronous alternate setting needs to be
1434 * changed, because SCO connection has been added
1435 * or removed, a packet fragment may be left in the
1436 * reassembling state. This could lead to wrongly
1437 * assembled fragments.
1439 * Clear outstanding fragment when selecting a new
1440 * alternate setting.
1442 spin_lock_irqsave(&data->rxlock, flags);
1443 kfree_skb(data->sco_skb);
1444 data->sco_skb = NULL;
1445 spin_unlock_irqrestore(&data->rxlock, flags);
1447 if (__set_isoc_interface(hdev, new_alts) < 0)
1451 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
1452 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
1453 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1455 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
1458 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1459 usb_kill_anchored_urbs(&data->isoc_anchor);
1461 __set_isoc_interface(hdev, 0);
1462 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
1463 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
1467 static void btusb_waker(struct work_struct *work)
1469 struct btusb_data *data = container_of(work, struct btusb_data, waker);
1472 err = usb_autopm_get_interface(data->intf);
1476 usb_autopm_put_interface(data->intf);
1479 static int btusb_setup_bcm92035(struct hci_dev *hdev)
1481 struct sk_buff *skb;
1484 BT_DBG("%s", hdev->name);
1486 skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT);
1488 BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb));
1495 static int btusb_setup_csr(struct hci_dev *hdev)
1497 struct hci_rp_read_local_version *rp;
1498 struct sk_buff *skb;
1500 BT_DBG("%s", hdev->name);
1502 skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
1505 int err = PTR_ERR(skb);
1506 BT_ERR("%s: CSR: Local version failed (%d)", hdev->name, err);
1510 if (skb->len != sizeof(struct hci_rp_read_local_version)) {
1511 BT_ERR("%s: CSR: Local version length mismatch", hdev->name);
1516 rp = (struct hci_rp_read_local_version *)skb->data;
1518 /* Detect controllers which aren't real CSR ones. */
1519 if (le16_to_cpu(rp->manufacturer) != 10 ||
1520 le16_to_cpu(rp->lmp_subver) == 0x0c5c) {
1521 /* Clear the reset quirk since this is not an actual
1522 * early Bluetooth 1.1 device from CSR.
1524 clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
1526 /* These fake CSR controllers have all a broken
1527 * stored link key handling and so just disable it.
1529 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
1537 static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev,
1538 struct intel_version *ver)
1540 const struct firmware *fw;
1544 snprintf(fwname, sizeof(fwname),
1545 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
1546 ver->hw_platform, ver->hw_variant, ver->hw_revision,
1547 ver->fw_variant, ver->fw_revision, ver->fw_build_num,
1548 ver->fw_build_ww, ver->fw_build_yy);
1550 ret = request_firmware(&fw, fwname, &hdev->dev);
1552 if (ret == -EINVAL) {
1553 BT_ERR("%s Intel firmware file request failed (%d)",
1558 BT_ERR("%s failed to open Intel firmware file: %s(%d)",
1559 hdev->name, fwname, ret);
1561 /* If the correct firmware patch file is not found, use the
1562 * default firmware patch file instead
1564 snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq",
1565 ver->hw_platform, ver->hw_variant);
1566 if (request_firmware(&fw, fwname, &hdev->dev) < 0) {
1567 BT_ERR("%s failed to open default Intel fw file: %s",
1568 hdev->name, fwname);
1573 BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname);
1578 static int btusb_setup_intel_patching(struct hci_dev *hdev,
1579 const struct firmware *fw,
1580 const u8 **fw_ptr, int *disable_patch)
1582 struct sk_buff *skb;
1583 struct hci_command_hdr *cmd;
1584 const u8 *cmd_param;
1585 struct hci_event_hdr *evt = NULL;
1586 const u8 *evt_param = NULL;
1587 int remain = fw->size - (*fw_ptr - fw->data);
1589 /* The first byte indicates the types of the patch command or event.
1590 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
1591 * in the current firmware buffer doesn't start with 0x01 or
1592 * the size of remain buffer is smaller than HCI command header,
1593 * the firmware file is corrupted and it should stop the patching
1596 if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) {
1597 BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name);
1603 cmd = (struct hci_command_hdr *)(*fw_ptr);
1604 *fw_ptr += sizeof(*cmd);
1605 remain -= sizeof(*cmd);
1607 /* Ensure that the remain firmware data is long enough than the length
1608 * of command parameter. If not, the firmware file is corrupted.
1610 if (remain < cmd->plen) {
1611 BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name);
1615 /* If there is a command that loads a patch in the firmware
1616 * file, then enable the patch upon success, otherwise just
1617 * disable the manufacturer mode, for example patch activation
1618 * is not required when the default firmware patch file is used
1619 * because there are no patch data to load.
1621 if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e)
1624 cmd_param = *fw_ptr;
1625 *fw_ptr += cmd->plen;
1626 remain -= cmd->plen;
1628 /* This reads the expected events when the above command is sent to the
1629 * device. Some vendor commands expects more than one events, for
1630 * example command status event followed by vendor specific event.
1631 * For this case, it only keeps the last expected event. so the command
1632 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
1633 * last expected event.
1635 while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) {
1639 evt = (struct hci_event_hdr *)(*fw_ptr);
1640 *fw_ptr += sizeof(*evt);
1641 remain -= sizeof(*evt);
1643 if (remain < evt->plen) {
1644 BT_ERR("%s Intel fw corrupted: invalid evt len",
1649 evt_param = *fw_ptr;
1650 *fw_ptr += evt->plen;
1651 remain -= evt->plen;
1654 /* Every HCI commands in the firmware file has its correspond event.
1655 * If event is not found or remain is smaller than zero, the firmware
1656 * file is corrupted.
1658 if (!evt || !evt_param || remain < 0) {
1659 BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name);
1663 skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen,
1664 cmd_param, evt->evt, HCI_INIT_TIMEOUT);
1666 BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)",
1667 hdev->name, cmd->opcode, PTR_ERR(skb));
1668 return PTR_ERR(skb);
1671 /* It ensures that the returned event matches the event data read from
1672 * the firmware file. At fist, it checks the length and then
1673 * the contents of the event.
1675 if (skb->len != evt->plen) {
1676 BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name,
1677 le16_to_cpu(cmd->opcode));
1682 if (memcmp(skb->data, evt_param, evt->plen)) {
1683 BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)",
1684 hdev->name, le16_to_cpu(cmd->opcode));
1693 static int btusb_setup_intel(struct hci_dev *hdev)
1695 struct sk_buff *skb;
1696 const struct firmware *fw;
1698 int disable_patch, err;
1699 struct intel_version ver;
1701 BT_DBG("%s", hdev->name);
1703 /* The controller has a bug with the first HCI command sent to it
1704 * returning number of completed commands as zero. This would stall the
1705 * command processing in the Bluetooth core.
1707 * As a workaround, send HCI Reset command first which will reset the
1708 * number of completed commands and allow normal command processing
1711 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
1713 BT_ERR("%s sending initial HCI reset command failed (%ld)",
1714 hdev->name, PTR_ERR(skb));
1715 return PTR_ERR(skb);
1719 /* Read Intel specific controller version first to allow selection of
1720 * which firmware file to load.
1722 * The returned information are hardware variant and revision plus
1723 * firmware variant, revision and build number.
1725 err = btintel_read_version(hdev, &ver);
1729 BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
1730 hdev->name, ver.hw_platform, ver.hw_variant, ver.hw_revision,
1731 ver.fw_variant, ver.fw_revision, ver.fw_build_num,
1732 ver.fw_build_ww, ver.fw_build_yy, ver.fw_patch_num);
1734 /* fw_patch_num indicates the version of patch the device currently
1735 * have. If there is no patch data in the device, it is always 0x00.
1736 * So, if it is other than 0x00, no need to patch the device again.
1738 if (ver.fw_patch_num) {
1739 BT_INFO("%s: Intel device is already patched. patch num: %02x",
1740 hdev->name, ver.fw_patch_num);
1744 /* Opens the firmware patch file based on the firmware version read
1745 * from the controller. If it fails to open the matching firmware
1746 * patch file, it tries to open the default firmware patch file.
1747 * If no patch file is found, allow the device to operate without
1750 fw = btusb_setup_intel_get_fw(hdev, &ver);
1755 /* Enable the manufacturer mode of the controller.
1756 * Only while this mode is enabled, the driver can download the
1757 * firmware patch data and configuration parameters.
1759 err = btintel_enter_mfg(hdev);
1761 release_firmware(fw);
1767 /* The firmware data file consists of list of Intel specific HCI
1768 * commands and its expected events. The first byte indicates the
1769 * type of the message, either HCI command or HCI event.
1771 * It reads the command and its expected event from the firmware file,
1772 * and send to the controller. Once __hci_cmd_sync_ev() returns,
1773 * the returned event is compared with the event read from the firmware
1774 * file and it will continue until all the messages are downloaded to
1777 * Once the firmware patching is completed successfully,
1778 * the manufacturer mode is disabled with reset and activating the
1781 * If the firmware patching fails, the manufacturer mode is
1782 * disabled with reset and deactivating the patch.
1784 * If the default patch file is used, no reset is done when disabling
1787 while (fw->size > fw_ptr - fw->data) {
1790 ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr,
1793 goto exit_mfg_deactivate;
1796 release_firmware(fw);
1799 goto exit_mfg_disable;
1801 /* Patching completed successfully and disable the manufacturer mode
1802 * with reset and activate the downloaded firmware patches.
1804 err = btintel_exit_mfg(hdev, true, true);
1808 BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
1814 /* Disable the manufacturer mode without reset */
1815 err = btintel_exit_mfg(hdev, false, false);
1819 BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name);
1823 exit_mfg_deactivate:
1824 release_firmware(fw);
1826 /* Patching failed. Disable the manufacturer mode with reset and
1827 * deactivate the downloaded firmware patches.
1829 err = btintel_exit_mfg(hdev, true, false);
1833 BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
1837 /* Set the event mask for Intel specific vendor events. This enables
1838 * a few extra events that are useful during general operation.
1840 btintel_set_event_mask_mfg(hdev, false);
1842 btintel_check_bdaddr(hdev);
1846 static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode)
1848 struct sk_buff *skb;
1849 struct hci_event_hdr *hdr;
1850 struct hci_ev_cmd_complete *evt;
1852 skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_ATOMIC);
1856 hdr = skb_put(skb, sizeof(*hdr));
1857 hdr->evt = HCI_EV_CMD_COMPLETE;
1858 hdr->plen = sizeof(*evt) + 1;
1860 evt = skb_put(skb, sizeof(*evt));
1862 evt->opcode = cpu_to_le16(opcode);
1864 skb_put_u8(skb, 0x00);
1866 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
1868 return hci_recv_frame(hdev, skb);
1871 static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer,
1874 /* When the device is in bootloader mode, then it can send
1875 * events via the bulk endpoint. These events are treated the
1876 * same way as the ones received from the interrupt endpoint.
1878 if (test_bit(BTUSB_BOOTLOADER, &data->flags))
1879 return btusb_recv_intr(data, buffer, count);
1881 return btusb_recv_bulk(data, buffer, count);
1884 static void btusb_intel_bootup(struct btusb_data *data, const void *ptr,
1887 const struct intel_bootup *evt = ptr;
1889 if (len != sizeof(*evt))
1892 if (test_and_clear_bit(BTUSB_BOOTING, &data->flags)) {
1893 smp_mb__after_atomic();
1894 wake_up_bit(&data->flags, BTUSB_BOOTING);
1898 static void btusb_intel_secure_send_result(struct btusb_data *data,
1899 const void *ptr, unsigned int len)
1901 const struct intel_secure_send_result *evt = ptr;
1903 if (len != sizeof(*evt))
1907 set_bit(BTUSB_FIRMWARE_FAILED, &data->flags);
1909 if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) &&
1910 test_bit(BTUSB_FIRMWARE_LOADED, &data->flags)) {
1911 smp_mb__after_atomic();
1912 wake_up_bit(&data->flags, BTUSB_DOWNLOADING);
1916 static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb)
1918 struct btusb_data *data = hci_get_drvdata(hdev);
1920 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
1921 struct hci_event_hdr *hdr = (void *)skb->data;
1923 if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff &&
1925 const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1;
1926 unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1;
1928 switch (skb->data[2]) {
1930 /* When switching to the operational firmware
1931 * the device sends a vendor specific event
1932 * indicating that the bootup completed.
1934 btusb_intel_bootup(data, ptr, len);
1937 /* When the firmware loading completes the
1938 * device sends out a vendor specific event
1939 * indicating the result of the firmware
1942 btusb_intel_secure_send_result(data, ptr, len);
1948 return hci_recv_frame(hdev, skb);
1951 static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
1953 struct btusb_data *data = hci_get_drvdata(hdev);
1956 BT_DBG("%s", hdev->name);
1958 switch (hci_skb_pkt_type(skb)) {
1959 case HCI_COMMAND_PKT:
1960 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
1961 struct hci_command_hdr *cmd = (void *)skb->data;
1962 __u16 opcode = le16_to_cpu(cmd->opcode);
1964 /* When in bootloader mode and the command 0xfc09
1965 * is received, it needs to be send down the
1966 * bulk endpoint. So allocate a bulk URB instead.
1968 if (opcode == 0xfc09)
1969 urb = alloc_bulk_urb(hdev, skb);
1971 urb = alloc_ctrl_urb(hdev, skb);
1973 /* When the 0xfc01 command is issued to boot into
1974 * the operational firmware, it will actually not
1975 * send a command complete event. To keep the flow
1976 * control working inject that event here.
1978 if (opcode == 0xfc01)
1979 inject_cmd_complete(hdev, opcode);
1981 urb = alloc_ctrl_urb(hdev, skb);
1984 return PTR_ERR(urb);
1986 hdev->stat.cmd_tx++;
1987 return submit_or_queue_tx_urb(hdev, urb);
1989 case HCI_ACLDATA_PKT:
1990 urb = alloc_bulk_urb(hdev, skb);
1992 return PTR_ERR(urb);
1994 hdev->stat.acl_tx++;
1995 return submit_or_queue_tx_urb(hdev, urb);
1997 case HCI_SCODATA_PKT:
1998 if (hci_conn_num(hdev, SCO_LINK) < 1)
2001 urb = alloc_isoc_urb(hdev, skb);
2003 return PTR_ERR(urb);
2005 hdev->stat.sco_tx++;
2006 return submit_tx_urb(hdev, urb);
2012 static int btusb_setup_intel_new(struct hci_dev *hdev)
2014 static const u8 reset_param[] = { 0x00, 0x01, 0x00, 0x01,
2015 0x00, 0x08, 0x04, 0x00 };
2016 struct btusb_data *data = hci_get_drvdata(hdev);
2017 struct sk_buff *skb;
2018 struct intel_version ver;
2019 struct intel_boot_params *params;
2020 const struct firmware *fw;
2024 ktime_t calltime, delta, rettime;
2025 unsigned long long duration;
2028 BT_DBG("%s", hdev->name);
2030 calltime = ktime_get();
2032 /* Read the Intel version information to determine if the device
2033 * is in bootloader mode or if it already has operational firmware
2036 err = btintel_read_version(hdev, &ver);
2040 /* The hardware platform number has a fixed value of 0x37 and
2041 * for now only accept this single value.
2043 if (ver.hw_platform != 0x37) {
2044 BT_ERR("%s: Unsupported Intel hardware platform (%u)",
2045 hdev->name, ver.hw_platform);
2049 /* Check for supported iBT hardware variants of this firmware
2052 * This check has been put in place to ensure correct forward
2053 * compatibility options when newer hardware variants come along.
2055 switch (ver.hw_variant) {
2056 case 0x0b: /* SfP */
2057 case 0x0c: /* WsP */
2058 case 0x11: /* JfP */
2059 case 0x12: /* ThP */
2062 BT_ERR("%s: Unsupported Intel hardware variant (%u)",
2063 hdev->name, ver.hw_variant);
2067 btintel_version_info(hdev, &ver);
2069 /* The firmware variant determines if the device is in bootloader
2070 * mode or is running operational firmware. The value 0x06 identifies
2071 * the bootloader and the value 0x23 identifies the operational
2074 * When the operational firmware is already present, then only
2075 * the check for valid Bluetooth device address is needed. This
2076 * determines if the device will be added as configured or
2077 * unconfigured controller.
2079 * It is not possible to use the Secure Boot Parameters in this
2080 * case since that command is only available in bootloader mode.
2082 if (ver.fw_variant == 0x23) {
2083 clear_bit(BTUSB_BOOTLOADER, &data->flags);
2084 btintel_check_bdaddr(hdev);
2088 /* If the device is not in bootloader mode, then the only possible
2089 * choice is to return an error and abort the device initialization.
2091 if (ver.fw_variant != 0x06) {
2092 BT_ERR("%s: Unsupported Intel firmware variant (%u)",
2093 hdev->name, ver.fw_variant);
2097 /* Read the secure boot parameters to identify the operating
2098 * details of the bootloader.
2100 skb = __hci_cmd_sync(hdev, 0xfc0d, 0, NULL, HCI_INIT_TIMEOUT);
2102 BT_ERR("%s: Reading Intel boot parameters failed (%ld)",
2103 hdev->name, PTR_ERR(skb));
2104 return PTR_ERR(skb);
2107 if (skb->len != sizeof(*params)) {
2108 BT_ERR("%s: Intel boot parameters size mismatch", hdev->name);
2113 params = (struct intel_boot_params *)skb->data;
2115 BT_INFO("%s: Device revision is %u", hdev->name,
2116 le16_to_cpu(params->dev_revid));
2118 BT_INFO("%s: Secure boot is %s", hdev->name,
2119 params->secure_boot ? "enabled" : "disabled");
2121 BT_INFO("%s: OTP lock is %s", hdev->name,
2122 params->otp_lock ? "enabled" : "disabled");
2124 BT_INFO("%s: API lock is %s", hdev->name,
2125 params->api_lock ? "enabled" : "disabled");
2127 BT_INFO("%s: Debug lock is %s", hdev->name,
2128 params->debug_lock ? "enabled" : "disabled");
2130 BT_INFO("%s: Minimum firmware build %u week %u %u", hdev->name,
2131 params->min_fw_build_nn, params->min_fw_build_cw,
2132 2000 + params->min_fw_build_yy);
2134 /* It is required that every single firmware fragment is acknowledged
2135 * with a command complete event. If the boot parameters indicate
2136 * that this bootloader does not send them, then abort the setup.
2138 if (params->limited_cce != 0x00) {
2139 BT_ERR("%s: Unsupported Intel firmware loading method (%u)",
2140 hdev->name, params->limited_cce);
2145 /* If the OTP has no valid Bluetooth device address, then there will
2146 * also be no valid address for the operational firmware.
2148 if (!bacmp(¶ms->otp_bdaddr, BDADDR_ANY)) {
2149 BT_INFO("%s: No device address configured", hdev->name);
2150 set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
2153 /* With this Intel bootloader only the hardware variant and device
2154 * revision information are used to select the right firmware.
2156 * The firmware filename is ibt-<hw_variant>-<dev_revid>.sfi.
2158 * Currently the supported hardware variants are:
2159 * 11 (0x0b) for iBT3.0 (LnP/SfP)
2160 * 12 (0x0c) for iBT3.5 (WsP)
2161 * 17 (0x11) for iBT3.5 (JfP)
2162 * 18 (0x12) for iBT3.5 (ThP)
2164 snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u.sfi",
2165 le16_to_cpu(ver.hw_variant),
2166 le16_to_cpu(params->dev_revid));
2168 err = request_firmware(&fw, fwname, &hdev->dev);
2170 BT_ERR("%s: Failed to load Intel firmware file (%d)",
2176 BT_INFO("%s: Found device firmware: %s", hdev->name, fwname);
2178 /* Save the DDC file name for later use to apply once the firmware
2179 * downloading is done.
2181 snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u.ddc",
2182 le16_to_cpu(ver.hw_variant),
2183 le16_to_cpu(params->dev_revid));
2187 if (fw->size < 644) {
2188 BT_ERR("%s: Invalid size of firmware file (%zu)",
2189 hdev->name, fw->size);
2194 set_bit(BTUSB_DOWNLOADING, &data->flags);
2196 /* Start the firmware download transaction with the Init fragment
2197 * represented by the 128 bytes of CSS header.
2199 err = btintel_secure_send(hdev, 0x00, 128, fw->data);
2201 BT_ERR("%s: Failed to send firmware header (%d)",
2206 /* Send the 256 bytes of public key information from the firmware
2207 * as the PKey fragment.
2209 err = btintel_secure_send(hdev, 0x03, 256, fw->data + 128);
2211 BT_ERR("%s: Failed to send firmware public key (%d)",
2216 /* Send the 256 bytes of signature information from the firmware
2217 * as the Sign fragment.
2219 err = btintel_secure_send(hdev, 0x02, 256, fw->data + 388);
2221 BT_ERR("%s: Failed to send firmware signature (%d)",
2226 fw_ptr = fw->data + 644;
2229 while (fw_ptr - fw->data < fw->size) {
2230 struct hci_command_hdr *cmd = (void *)(fw_ptr + frag_len);
2232 frag_len += sizeof(*cmd) + cmd->plen;
2234 /* The parameter length of the secure send command requires
2235 * a 4 byte alignment. It happens so that the firmware file
2236 * contains proper Intel_NOP commands to align the fragments
2239 * Send set of commands with 4 byte alignment from the
2240 * firmware data buffer as a single Data fragement.
2242 if (!(frag_len % 4)) {
2243 err = btintel_secure_send(hdev, 0x01, frag_len, fw_ptr);
2245 BT_ERR("%s: Failed to send firmware data (%d)",
2255 set_bit(BTUSB_FIRMWARE_LOADED, &data->flags);
2257 BT_INFO("%s: Waiting for firmware download to complete", hdev->name);
2259 /* Before switching the device into operational mode and with that
2260 * booting the loaded firmware, wait for the bootloader notification
2261 * that all fragments have been successfully received.
2263 * When the event processing receives the notification, then the
2264 * BTUSB_DOWNLOADING flag will be cleared.
2266 * The firmware loading should not take longer than 5 seconds
2267 * and thus just timeout if that happens and fail the setup
2270 err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING,
2272 msecs_to_jiffies(5000));
2273 if (err == -EINTR) {
2274 BT_ERR("%s: Firmware loading interrupted", hdev->name);
2279 BT_ERR("%s: Firmware loading timeout", hdev->name);
2284 if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) {
2285 BT_ERR("%s: Firmware loading failed", 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: Firmware loaded in %llu usecs", hdev->name, duration);
2297 release_firmware(fw);
2302 calltime = ktime_get();
2304 set_bit(BTUSB_BOOTING, &data->flags);
2306 skb = __hci_cmd_sync(hdev, 0xfc01, sizeof(reset_param), reset_param,
2309 return PTR_ERR(skb);
2313 /* The bootloader will not indicate when the device is ready. This
2314 * is done by the operational firmware sending bootup notification.
2316 * Booting into operational firmware should not take longer than
2317 * 1 second. However if that happens, then just fail the setup
2318 * since something went wrong.
2320 BT_INFO("%s: Waiting for device to boot", hdev->name);
2322 err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING,
2324 msecs_to_jiffies(1000));
2326 if (err == -EINTR) {
2327 BT_ERR("%s: Device boot interrupted", hdev->name);
2332 BT_ERR("%s: Device boot timeout", hdev->name);
2336 rettime = ktime_get();
2337 delta = ktime_sub(rettime, calltime);
2338 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2340 BT_INFO("%s: Device booted in %llu usecs", hdev->name, duration);
2342 clear_bit(BTUSB_BOOTLOADER, &data->flags);
2344 /* Once the device is running in operational mode, it needs to apply
2345 * the device configuration (DDC) parameters.
2347 * The device can work without DDC parameters, so even if it fails
2348 * to load the file, no need to fail the setup.
2350 btintel_load_ddc_config(hdev, fwname);
2352 /* Set the event mask for Intel specific vendor events. This enables
2353 * a few extra events that are useful during general operation. It
2354 * does not enable any debugging related events.
2356 * The device will function correctly without these events enabled
2357 * and thus no need to fail the setup.
2359 btintel_set_event_mask(hdev, false);
2364 static int btusb_shutdown_intel(struct hci_dev *hdev)
2366 struct sk_buff *skb;
2369 /* Some platforms have an issue with BT LED when the interface is
2370 * down or BT radio is turned off, which takes 5 seconds to BT LED
2371 * goes off. This command turns off the BT LED immediately.
2373 skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT);
2376 BT_ERR("%s: turning off Intel device LED failed (%ld)",
2386 /* Configure an out-of-band gpio as wake-up pin, if specified in device tree */
2387 static int marvell_config_oob_wake(struct hci_dev *hdev)
2389 struct sk_buff *skb;
2390 struct btusb_data *data = hci_get_drvdata(hdev);
2391 struct device *dev = &data->udev->dev;
2392 u16 pin, gap, opcode;
2396 /* Move on if no wakeup pin specified */
2397 if (of_property_read_u16(dev->of_node, "marvell,wakeup-pin", &pin) ||
2398 of_property_read_u16(dev->of_node, "marvell,wakeup-gap-ms", &gap))
2401 /* Vendor specific command to configure a GPIO as wake-up pin */
2402 opcode = hci_opcode_pack(0x3F, 0x59);
2403 cmd[0] = opcode & 0xFF;
2404 cmd[1] = opcode >> 8;
2405 cmd[2] = 2; /* length of parameters that follow */
2407 cmd[4] = gap; /* time in ms, for which wakeup pin should be asserted */
2409 skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL);
2411 bt_dev_err(hdev, "%s: No memory\n", __func__);
2415 skb_put_data(skb, cmd, sizeof(cmd));
2416 hci_skb_pkt_type(skb) = HCI_COMMAND_PKT;
2418 ret = btusb_send_frame(hdev, skb);
2420 bt_dev_err(hdev, "%s: configuration failed\n", __func__);
2429 static int btusb_set_bdaddr_marvell(struct hci_dev *hdev,
2430 const bdaddr_t *bdaddr)
2432 struct sk_buff *skb;
2437 buf[1] = sizeof(bdaddr_t);
2438 memcpy(buf + 2, bdaddr, sizeof(bdaddr_t));
2440 skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT);
2443 BT_ERR("%s: changing Marvell device address failed (%ld)",
2452 static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev,
2453 const bdaddr_t *bdaddr)
2455 struct sk_buff *skb;
2462 buf[3] = sizeof(bdaddr_t);
2463 memcpy(buf + 4, bdaddr, sizeof(bdaddr_t));
2465 skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT);
2468 BT_ERR("%s: Change address command failed (%ld)",
2477 #define QCA_DFU_PACKET_LEN 4096
2479 #define QCA_GET_TARGET_VERSION 0x09
2480 #define QCA_CHECK_STATUS 0x05
2481 #define QCA_DFU_DOWNLOAD 0x01
2483 #define QCA_SYSCFG_UPDATED 0x40
2484 #define QCA_PATCH_UPDATED 0x80
2485 #define QCA_DFU_TIMEOUT 3000
2487 struct qca_version {
2489 __le32 patch_version;
2495 struct qca_rampatch_version {
2497 __le16 patch_version;
2500 struct qca_device_info {
2502 u8 rampatch_hdr; /* length of header in rampatch */
2503 u8 nvm_hdr; /* length of header in NVM */
2504 u8 ver_offset; /* offset of version structure in rampatch */
2507 static const struct qca_device_info qca_devices_table[] = {
2508 { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */
2509 { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
2510 { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
2511 { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
2512 { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
2513 { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
2516 static int btusb_qca_send_vendor_req(struct hci_dev *hdev, u8 request,
2517 void *data, u16 size)
2519 struct btusb_data *btdata = hci_get_drvdata(hdev);
2520 struct usb_device *udev = btdata->udev;
2524 buf = kmalloc(size, GFP_KERNEL);
2528 /* Found some of USB hosts have IOT issues with ours so that we should
2529 * not wait until HCI layer is ready.
2531 pipe = usb_rcvctrlpipe(udev, 0);
2532 err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN,
2533 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
2535 BT_ERR("%s: Failed to access otp area (%d)", hdev->name, err);
2539 memcpy(data, buf, size);
2547 static int btusb_setup_qca_download_fw(struct hci_dev *hdev,
2548 const struct firmware *firmware,
2551 struct btusb_data *btdata = hci_get_drvdata(hdev);
2552 struct usb_device *udev = btdata->udev;
2553 size_t count, size, sent = 0;
2557 buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL);
2561 count = firmware->size;
2563 size = min_t(size_t, count, hdr_size);
2564 memcpy(buf, firmware->data, size);
2566 /* USB patches should go down to controller through USB path
2567 * because binary format fits to go down through USB channel.
2568 * USB control path is for patching headers and USB bulk is for
2571 pipe = usb_sndctrlpipe(udev, 0);
2572 err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR,
2573 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
2575 BT_ERR("%s: Failed to send headers (%d)", hdev->name, err);
2583 size = min_t(size_t, count, QCA_DFU_PACKET_LEN);
2585 memcpy(buf, firmware->data + sent, size);
2587 pipe = usb_sndbulkpipe(udev, 0x02);
2588 err = usb_bulk_msg(udev, pipe, buf, size, &len,
2591 BT_ERR("%s: Failed to send body at %zd of %zd (%d)",
2592 hdev->name, sent, firmware->size, err);
2597 BT_ERR("%s: Failed to get bulk buffer", hdev->name);
2611 static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
2612 struct qca_version *ver,
2613 const struct qca_device_info *info)
2615 struct qca_rampatch_version *rver;
2616 const struct firmware *fw;
2617 u32 ver_rom, ver_patch;
2618 u16 rver_rom, rver_patch;
2622 ver_rom = le32_to_cpu(ver->rom_version);
2623 ver_patch = le32_to_cpu(ver->patch_version);
2625 snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom);
2627 err = request_firmware(&fw, fwname, &hdev->dev);
2629 BT_ERR("%s: failed to request rampatch file: %s (%d)",
2630 hdev->name, fwname, err);
2634 BT_INFO("%s: using rampatch file: %s", hdev->name, fwname);
2636 rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset);
2637 rver_rom = le16_to_cpu(rver->rom_version);
2638 rver_patch = le16_to_cpu(rver->patch_version);
2640 BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x "
2641 "build 0x%x", hdev->name, rver_rom, rver_patch, ver_rom,
2644 if (rver_rom != ver_rom || rver_patch <= ver_patch) {
2645 BT_ERR("%s: rampatch file version did not match with firmware",
2651 err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr);
2654 release_firmware(fw);
2659 static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
2660 struct qca_version *ver,
2661 const struct qca_device_info *info)
2663 const struct firmware *fw;
2667 snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
2668 le32_to_cpu(ver->rom_version));
2670 err = request_firmware(&fw, fwname, &hdev->dev);
2672 BT_ERR("%s: failed to request NVM file: %s (%d)",
2673 hdev->name, fwname, err);
2677 BT_INFO("%s: using NVM file: %s", hdev->name, fwname);
2679 err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr);
2681 release_firmware(fw);
2686 static int btusb_setup_qca(struct hci_dev *hdev)
2688 const struct qca_device_info *info = NULL;
2689 struct qca_version ver;
2694 err = btusb_qca_send_vendor_req(hdev, QCA_GET_TARGET_VERSION, &ver,
2699 ver_rom = le32_to_cpu(ver.rom_version);
2700 for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {
2701 if (ver_rom == qca_devices_table[i].rom_version)
2702 info = &qca_devices_table[i];
2705 BT_ERR("%s: don't support firmware rome 0x%x", hdev->name,
2710 err = btusb_qca_send_vendor_req(hdev, QCA_CHECK_STATUS, &status,
2715 if (!(status & QCA_PATCH_UPDATED)) {
2716 err = btusb_setup_qca_load_rampatch(hdev, &ver, info);
2721 if (!(status & QCA_SYSCFG_UPDATED)) {
2722 err = btusb_setup_qca_load_nvm(hdev, &ver, info);
2730 #ifdef CONFIG_BT_HCIBTUSB_BCM
2731 static inline int __set_diag_interface(struct hci_dev *hdev)
2733 struct btusb_data *data = hci_get_drvdata(hdev);
2734 struct usb_interface *intf = data->diag;
2740 data->diag_tx_ep = NULL;
2741 data->diag_rx_ep = NULL;
2743 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
2744 struct usb_endpoint_descriptor *ep_desc;
2746 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
2748 if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
2749 data->diag_tx_ep = ep_desc;
2753 if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
2754 data->diag_rx_ep = ep_desc;
2759 if (!data->diag_tx_ep || !data->diag_rx_ep) {
2760 BT_ERR("%s invalid diagnostic descriptors", hdev->name);
2767 static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable)
2769 struct btusb_data *data = hci_get_drvdata(hdev);
2770 struct sk_buff *skb;
2774 if (!data->diag_tx_ep)
2775 return ERR_PTR(-ENODEV);
2777 urb = usb_alloc_urb(0, GFP_KERNEL);
2779 return ERR_PTR(-ENOMEM);
2781 skb = bt_skb_alloc(2, GFP_KERNEL);
2784 return ERR_PTR(-ENOMEM);
2787 skb_put_u8(skb, 0xf0);
2788 skb_put_u8(skb, enable);
2790 pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress);
2792 usb_fill_bulk_urb(urb, data->udev, pipe,
2793 skb->data, skb->len, btusb_tx_complete, skb);
2795 skb->dev = (void *)hdev;
2800 static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable)
2802 struct btusb_data *data = hci_get_drvdata(hdev);
2808 if (!test_bit(HCI_RUNNING, &hdev->flags))
2811 urb = alloc_diag_urb(hdev, enable);
2813 return PTR_ERR(urb);
2815 return submit_or_queue_tx_urb(hdev, urb);
2820 static irqreturn_t btusb_oob_wake_handler(int irq, void *priv)
2822 struct btusb_data *data = priv;
2824 pm_wakeup_event(&data->udev->dev, 0);
2827 /* Disable only if not already disabled (keep it balanced) */
2828 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
2829 disable_irq_nosync(irq);
2830 disable_irq_wake(irq);
2835 static const struct of_device_id btusb_match_table[] = {
2836 { .compatible = "usb1286,204e" },
2839 MODULE_DEVICE_TABLE(of, btusb_match_table);
2841 /* Use an oob wakeup pin? */
2842 static int btusb_config_oob_wake(struct hci_dev *hdev)
2844 struct btusb_data *data = hci_get_drvdata(hdev);
2845 struct device *dev = &data->udev->dev;
2848 clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags);
2850 if (!of_match_device(btusb_match_table, dev))
2853 /* Move on if no IRQ specified */
2854 irq = of_irq_get_byname(dev->of_node, "wakeup");
2856 bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT", __func__);
2860 ret = devm_request_irq(&hdev->dev, irq, btusb_oob_wake_handler,
2861 0, "OOB Wake-on-BT", data);
2863 bt_dev_err(hdev, "%s: IRQ request failed", __func__);
2867 ret = device_init_wakeup(dev, true);
2869 bt_dev_err(hdev, "%s: failed to init_wakeup", __func__);
2873 data->oob_wake_irq = irq;
2875 bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u", irq);
2880 static int btusb_probe(struct usb_interface *intf,
2881 const struct usb_device_id *id)
2883 struct usb_endpoint_descriptor *ep_desc;
2884 struct btusb_data *data;
2885 struct hci_dev *hdev;
2886 unsigned ifnum_base;
2889 BT_DBG("intf %p id %p", intf, id);
2891 /* interface numbers are hardcoded in the spec */
2892 if (intf->cur_altsetting->desc.bInterfaceNumber != 0) {
2893 if (!(id->driver_info & BTUSB_IFNUM_2))
2895 if (intf->cur_altsetting->desc.bInterfaceNumber != 2)
2899 ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber;
2901 if (!id->driver_info) {
2902 const struct usb_device_id *match;
2904 match = usb_match_id(intf, blacklist_table);
2909 if (id->driver_info == BTUSB_IGNORE)
2912 if (id->driver_info & BTUSB_BCM_NO_PRODID) {
2913 struct usb_device *udev = interface_to_usbdev(intf);
2915 /* For the broken Broadcom devices that show 0000:0000
2916 * as USB vendor and product information, check that the
2917 * manufacturer string identifies them as Broadcom based
2920 if (!udev->manufacturer ||
2921 strcmp(udev->manufacturer, "Broadcom Corp"))
2925 if (id->driver_info & BTUSB_ATH3012) {
2926 struct usb_device *udev = interface_to_usbdev(intf);
2928 /* Old firmware would otherwise let ath3k driver load
2929 * patch and sysconfig files
2931 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
2935 data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
2939 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
2940 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
2942 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
2943 data->intr_ep = ep_desc;
2947 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
2948 data->bulk_tx_ep = ep_desc;
2952 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
2953 data->bulk_rx_ep = ep_desc;
2958 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
2961 if (id->driver_info & BTUSB_AMP) {
2962 data->cmdreq_type = USB_TYPE_CLASS | 0x01;
2963 data->cmdreq = 0x2b;
2965 data->cmdreq_type = USB_TYPE_CLASS;
2966 data->cmdreq = 0x00;
2969 data->udev = interface_to_usbdev(intf);
2972 INIT_WORK(&data->work, btusb_work);
2973 INIT_WORK(&data->waker, btusb_waker);
2974 init_usb_anchor(&data->deferred);
2975 init_usb_anchor(&data->tx_anchor);
2976 spin_lock_init(&data->txlock);
2978 init_usb_anchor(&data->intr_anchor);
2979 init_usb_anchor(&data->bulk_anchor);
2980 init_usb_anchor(&data->isoc_anchor);
2981 init_usb_anchor(&data->diag_anchor);
2982 spin_lock_init(&data->rxlock);
2984 if (id->driver_info & BTUSB_INTEL_NEW) {
2985 data->recv_event = btusb_recv_event_intel;
2986 data->recv_bulk = btusb_recv_bulk_intel;
2987 set_bit(BTUSB_BOOTLOADER, &data->flags);
2989 data->recv_event = hci_recv_frame;
2990 data->recv_bulk = btusb_recv_bulk;
2993 hdev = hci_alloc_dev();
2997 hdev->bus = HCI_USB;
2998 hci_set_drvdata(hdev, data);
3000 if (id->driver_info & BTUSB_AMP)
3001 hdev->dev_type = HCI_AMP;
3003 hdev->dev_type = HCI_PRIMARY;
3007 SET_HCIDEV_DEV(hdev, &intf->dev);
3009 hdev->open = btusb_open;
3010 hdev->close = btusb_close;
3011 hdev->flush = btusb_flush;
3012 hdev->send = btusb_send_frame;
3013 hdev->notify = btusb_notify;
3016 err = btusb_config_oob_wake(hdev);
3020 /* Marvell devices may need a specific chip configuration */
3021 if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) {
3022 err = marvell_config_oob_wake(hdev);
3027 if (id->driver_info & BTUSB_CW6622)
3028 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
3030 if (id->driver_info & BTUSB_BCM2045)
3031 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
3033 if (id->driver_info & BTUSB_BCM92035)
3034 hdev->setup = btusb_setup_bcm92035;
3036 #ifdef CONFIG_BT_HCIBTUSB_BCM
3037 if (id->driver_info & BTUSB_BCM_PATCHRAM) {
3038 hdev->manufacturer = 15;
3039 hdev->setup = btbcm_setup_patchram;
3040 hdev->set_diag = btusb_bcm_set_diag;
3041 hdev->set_bdaddr = btbcm_set_bdaddr;
3043 /* Broadcom LM_DIAG Interface numbers are hardcoded */
3044 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
3047 if (id->driver_info & BTUSB_BCM_APPLE) {
3048 hdev->manufacturer = 15;
3049 hdev->setup = btbcm_setup_apple;
3050 hdev->set_diag = btusb_bcm_set_diag;
3052 /* Broadcom LM_DIAG Interface numbers are hardcoded */
3053 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
3057 if (id->driver_info & BTUSB_INTEL) {
3058 hdev->manufacturer = 2;
3059 hdev->setup = btusb_setup_intel;
3060 hdev->shutdown = btusb_shutdown_intel;
3061 hdev->set_diag = btintel_set_diag_mfg;
3062 hdev->set_bdaddr = btintel_set_bdaddr;
3063 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
3064 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
3065 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
3068 if (id->driver_info & BTUSB_INTEL_NEW) {
3069 hdev->manufacturer = 2;
3070 hdev->send = btusb_send_frame_intel;
3071 hdev->setup = btusb_setup_intel_new;
3072 hdev->hw_error = btintel_hw_error;
3073 hdev->set_diag = btintel_set_diag;
3074 hdev->set_bdaddr = btintel_set_bdaddr;
3075 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
3076 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
3079 if (id->driver_info & BTUSB_MARVELL)
3080 hdev->set_bdaddr = btusb_set_bdaddr_marvell;
3082 if (id->driver_info & BTUSB_SWAVE) {
3083 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks);
3084 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks);
3087 if (id->driver_info & BTUSB_INTEL_BOOT) {
3088 hdev->manufacturer = 2;
3089 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
3092 if (id->driver_info & BTUSB_ATH3012) {
3093 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
3094 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
3095 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
3098 if (id->driver_info & BTUSB_QCA_ROME) {
3099 data->setup_on_usb = btusb_setup_qca;
3100 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
3102 /* QCA Rome devices lose their updated firmware over suspend,
3103 * but the USB hub doesn't notice any status change.
3104 * Explicitly request a device reset on resume.
3106 set_bit(BTUSB_RESET_RESUME, &data->flags);
3109 #ifdef CONFIG_BT_HCIBTUSB_RTL
3110 if (id->driver_info & BTUSB_REALTEK) {
3111 hdev->setup = btrtl_setup_realtek;
3113 /* Realtek devices lose their updated firmware over suspend,
3114 * but the USB hub doesn't notice any status change.
3115 * Explicitly request a device reset on resume.
3117 set_bit(BTUSB_RESET_RESUME, &data->flags);
3121 if (id->driver_info & BTUSB_AMP) {
3122 /* AMP controllers do not support SCO packets */
3125 /* Interface orders are hardcoded in the specification */
3126 data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1);
3130 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
3132 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
3133 if (!disable_scofix)
3134 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
3137 if (id->driver_info & BTUSB_BROKEN_ISOC)
3140 if (id->driver_info & BTUSB_DIGIANSWER) {
3141 data->cmdreq_type = USB_TYPE_VENDOR;
3142 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
3145 if (id->driver_info & BTUSB_CSR) {
3146 struct usb_device *udev = data->udev;
3147 u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice);
3149 /* Old firmware would otherwise execute USB reset */
3150 if (bcdDevice < 0x117)
3151 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
3153 /* Fake CSR devices with broken commands */
3154 if (bcdDevice <= 0x100 || bcdDevice == 0x134)
3155 hdev->setup = btusb_setup_csr;
3157 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
3160 if (id->driver_info & BTUSB_SNIFFER) {
3161 struct usb_device *udev = data->udev;
3163 /* New sniffer firmware has crippled HCI interface */
3164 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
3165 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
3168 if (id->driver_info & BTUSB_INTEL_BOOT) {
3169 /* A bug in the bootloader causes that interrupt interface is
3170 * only enabled after receiving SetInterface(0, AltSetting=0).
3172 err = usb_set_interface(data->udev, 0, 0);
3174 BT_ERR("failed to set interface 0, alt 0 %d", err);
3180 err = usb_driver_claim_interface(&btusb_driver,
3186 #ifdef CONFIG_BT_HCIBTUSB_BCM
3188 if (!usb_driver_claim_interface(&btusb_driver,
3190 __set_diag_interface(hdev);
3196 err = hci_register_dev(hdev);
3200 usb_set_intfdata(intf, data);
3209 static void btusb_disconnect(struct usb_interface *intf)
3211 struct btusb_data *data = usb_get_intfdata(intf);
3212 struct hci_dev *hdev;
3214 BT_DBG("intf %p", intf);
3220 usb_set_intfdata(data->intf, NULL);
3223 usb_set_intfdata(data->isoc, NULL);
3226 usb_set_intfdata(data->diag, NULL);
3228 hci_unregister_dev(hdev);
3230 if (intf == data->intf) {
3232 usb_driver_release_interface(&btusb_driver, data->isoc);
3234 usb_driver_release_interface(&btusb_driver, data->diag);
3235 } else if (intf == data->isoc) {
3237 usb_driver_release_interface(&btusb_driver, data->diag);
3238 usb_driver_release_interface(&btusb_driver, data->intf);
3239 } else if (intf == data->diag) {
3240 usb_driver_release_interface(&btusb_driver, data->intf);
3242 usb_driver_release_interface(&btusb_driver, data->isoc);
3245 if (data->oob_wake_irq)
3246 device_init_wakeup(&data->udev->dev, false);
3252 static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
3254 struct btusb_data *data = usb_get_intfdata(intf);
3256 BT_DBG("intf %p", intf);
3258 if (data->suspend_count++)
3261 spin_lock_irq(&data->txlock);
3262 if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
3263 set_bit(BTUSB_SUSPENDING, &data->flags);
3264 spin_unlock_irq(&data->txlock);
3266 spin_unlock_irq(&data->txlock);
3267 data->suspend_count--;
3271 cancel_work_sync(&data->work);
3273 btusb_stop_traffic(data);
3274 usb_kill_anchored_urbs(&data->tx_anchor);
3276 if (data->oob_wake_irq && device_may_wakeup(&data->udev->dev)) {
3277 set_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags);
3278 enable_irq_wake(data->oob_wake_irq);
3279 enable_irq(data->oob_wake_irq);
3282 /* Optionally request a device reset on resume, but only when
3283 * wakeups are disabled. If wakeups are enabled we assume the
3284 * device will stay powered up throughout suspend.
3286 if (test_bit(BTUSB_RESET_RESUME, &data->flags) &&
3287 !device_may_wakeup(&data->udev->dev))
3288 data->udev->reset_resume = 1;
3293 static void play_deferred(struct btusb_data *data)
3298 while ((urb = usb_get_from_anchor(&data->deferred))) {
3299 usb_anchor_urb(urb, &data->tx_anchor);
3301 err = usb_submit_urb(urb, GFP_ATOMIC);
3303 if (err != -EPERM && err != -ENODEV)
3304 BT_ERR("%s urb %p submission failed (%d)",
3305 data->hdev->name, urb, -err);
3306 kfree(urb->setup_packet);
3307 usb_unanchor_urb(urb);
3312 data->tx_in_flight++;
3316 /* Cleanup the rest deferred urbs. */
3317 while ((urb = usb_get_from_anchor(&data->deferred))) {
3318 kfree(urb->setup_packet);
3323 static int btusb_resume(struct usb_interface *intf)
3325 struct btusb_data *data = usb_get_intfdata(intf);
3326 struct hci_dev *hdev = data->hdev;
3329 BT_DBG("intf %p", intf);
3331 if (--data->suspend_count)
3334 /* Disable only if not already disabled (keep it balanced) */
3335 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
3336 disable_irq(data->oob_wake_irq);
3337 disable_irq_wake(data->oob_wake_irq);
3340 if (!test_bit(HCI_RUNNING, &hdev->flags))
3343 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
3344 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
3346 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
3351 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
3352 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
3354 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
3358 btusb_submit_bulk_urb(hdev, GFP_NOIO);
3361 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
3362 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
3363 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
3365 btusb_submit_isoc_urb(hdev, GFP_NOIO);
3368 spin_lock_irq(&data->txlock);
3369 play_deferred(data);
3370 clear_bit(BTUSB_SUSPENDING, &data->flags);
3371 spin_unlock_irq(&data->txlock);
3372 schedule_work(&data->work);
3377 usb_scuttle_anchored_urbs(&data->deferred);
3379 spin_lock_irq(&data->txlock);
3380 clear_bit(BTUSB_SUSPENDING, &data->flags);
3381 spin_unlock_irq(&data->txlock);
3387 static struct usb_driver btusb_driver = {
3389 .probe = btusb_probe,
3390 .disconnect = btusb_disconnect,
3392 .suspend = btusb_suspend,
3393 .resume = btusb_resume,
3395 .id_table = btusb_table,
3396 .supports_autosuspend = 1,
3397 .disable_hub_initiated_lpm = 1,
3400 module_usb_driver(btusb_driver);
3402 module_param(disable_scofix, bool, 0644);
3403 MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
3405 module_param(force_scofix, bool, 0644);
3406 MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
3408 module_param(reset, bool, 0644);
3409 MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
3411 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
3412 MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
3413 MODULE_VERSION(VERSION);
3414 MODULE_LICENSE("GPL");