1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Generic Bluetooth USB driver
6 * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org>
10 #include <linux/module.h>
11 #include <linux/usb.h>
12 #include <linux/usb/quirks.h>
13 #include <linux/firmware.h>
14 #include <linux/iopoll.h>
15 #include <linux/of_device.h>
16 #include <linux/of_irq.h>
17 #include <linux/suspend.h>
18 #include <linux/gpio/consumer.h>
19 #include <linux/debugfs.h>
20 #include <asm/unaligned.h>
22 #include <net/bluetooth/bluetooth.h>
23 #include <net/bluetooth/hci_core.h>
32 static bool disable_scofix;
33 static bool force_scofix;
34 static bool enable_autosuspend = IS_ENABLED(CONFIG_BT_HCIBTUSB_AUTOSUSPEND);
35 static bool enable_poll_sync = IS_ENABLED(CONFIG_BT_HCIBTUSB_POLL_SYNC);
36 static bool reset = true;
38 static struct usb_driver btusb_driver;
40 #define BTUSB_IGNORE BIT(0)
41 #define BTUSB_DIGIANSWER BIT(1)
42 #define BTUSB_CSR BIT(2)
43 #define BTUSB_SNIFFER BIT(3)
44 #define BTUSB_BCM92035 BIT(4)
45 #define BTUSB_BROKEN_ISOC BIT(5)
46 #define BTUSB_WRONG_SCO_MTU BIT(6)
47 #define BTUSB_ATH3012 BIT(7)
48 #define BTUSB_INTEL_COMBINED BIT(8)
49 #define BTUSB_INTEL_BOOT BIT(9)
50 #define BTUSB_BCM_PATCHRAM BIT(10)
51 #define BTUSB_MARVELL BIT(11)
52 #define BTUSB_SWAVE BIT(12)
53 #define BTUSB_AMP BIT(13)
54 #define BTUSB_QCA_ROME BIT(14)
55 #define BTUSB_BCM_APPLE BIT(15)
56 #define BTUSB_REALTEK BIT(16)
57 #define BTUSB_BCM2045 BIT(17)
58 #define BTUSB_IFNUM_2 BIT(18)
59 #define BTUSB_CW6622 BIT(19)
60 #define BTUSB_MEDIATEK BIT(20)
61 #define BTUSB_WIDEBAND_SPEECH BIT(21)
62 #define BTUSB_VALID_LE_STATES BIT(22)
63 #define BTUSB_QCA_WCN6855 BIT(23)
64 #define BTUSB_INTEL_BROKEN_SHUTDOWN_LED BIT(24)
65 #define BTUSB_INTEL_BROKEN_INITIAL_NCMD BIT(25)
66 #define BTUSB_INTEL_NO_WBS_SUPPORT BIT(26)
67 #define BTUSB_ACTIONS_SEMI BIT(27)
69 static const struct usb_device_id btusb_table[] = {
70 /* Generic Bluetooth USB device */
71 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
73 /* Generic Bluetooth AMP device */
74 { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP },
76 /* Generic Bluetooth USB interface */
77 { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) },
79 /* Apple-specific (Broadcom) devices */
80 { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01),
81 .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 },
83 /* MediaTek MT76x0E */
84 { USB_DEVICE(0x0e8d, 0x763f) },
86 /* Broadcom SoftSailing reporting vendor specific */
87 { USB_DEVICE(0x0a5c, 0x21e1) },
89 /* Apple MacBookPro 7,1 */
90 { USB_DEVICE(0x05ac, 0x8213) },
93 { USB_DEVICE(0x05ac, 0x8215) },
95 /* Apple MacBookPro6,2 */
96 { USB_DEVICE(0x05ac, 0x8218) },
98 /* Apple MacBookAir3,1, MacBookAir3,2 */
99 { USB_DEVICE(0x05ac, 0x821b) },
101 /* Apple MacBookAir4,1 */
102 { USB_DEVICE(0x05ac, 0x821f) },
104 /* Apple MacBookPro8,2 */
105 { USB_DEVICE(0x05ac, 0x821a) },
107 /* Apple MacMini5,1 */
108 { USB_DEVICE(0x05ac, 0x8281) },
110 /* AVM BlueFRITZ! USB v2.0 */
111 { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE },
113 /* Bluetooth Ultraport Module from IBM */
114 { USB_DEVICE(0x04bf, 0x030a) },
116 /* ALPS Modules with non-standard id */
117 { USB_DEVICE(0x044e, 0x3001) },
118 { USB_DEVICE(0x044e, 0x3002) },
120 /* Ericsson with non-standard id */
121 { USB_DEVICE(0x0bdb, 0x1002) },
123 /* Canyon CN-BTU1 with HID interfaces */
124 { USB_DEVICE(0x0c10, 0x0000) },
126 /* Broadcom BCM20702B0 (Dynex/Insignia) */
127 { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM },
129 /* Broadcom BCM43142A0 (Foxconn/Lenovo) */
130 { USB_VENDOR_AND_INTERFACE_INFO(0x105b, 0xff, 0x01, 0x01),
131 .driver_info = BTUSB_BCM_PATCHRAM },
133 /* Broadcom BCM920703 (HTC Vive) */
134 { USB_VENDOR_AND_INTERFACE_INFO(0x0bb4, 0xff, 0x01, 0x01),
135 .driver_info = BTUSB_BCM_PATCHRAM },
137 /* Foxconn - Hon Hai */
138 { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
139 .driver_info = BTUSB_BCM_PATCHRAM },
141 /* Lite-On Technology - Broadcom based */
142 { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01),
143 .driver_info = BTUSB_BCM_PATCHRAM },
145 /* Broadcom devices with vendor specific id */
146 { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01),
147 .driver_info = BTUSB_BCM_PATCHRAM },
149 /* ASUSTek Computer - Broadcom based */
150 { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01),
151 .driver_info = BTUSB_BCM_PATCHRAM },
153 /* Belkin F8065bf - Broadcom based */
154 { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01),
155 .driver_info = BTUSB_BCM_PATCHRAM },
157 /* IMC Networks - Broadcom based */
158 { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01),
159 .driver_info = BTUSB_BCM_PATCHRAM },
161 /* Dell Computer - Broadcom based */
162 { USB_VENDOR_AND_INTERFACE_INFO(0x413c, 0xff, 0x01, 0x01),
163 .driver_info = BTUSB_BCM_PATCHRAM },
165 /* Toshiba Corp - Broadcom based */
166 { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01),
167 .driver_info = BTUSB_BCM_PATCHRAM },
169 /* Intel Bluetooth USB Bootloader (RAM module) */
170 { USB_DEVICE(0x8087, 0x0a5a),
171 .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC },
173 { } /* Terminating entry */
176 MODULE_DEVICE_TABLE(usb, btusb_table);
178 static const struct usb_device_id quirks_table[] = {
179 /* CSR BlueCore devices */
180 { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
182 /* Broadcom BCM2033 without firmware */
183 { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
185 /* Broadcom BCM2045 devices */
186 { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 },
188 /* Atheros 3011 with sflash firmware */
189 { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
190 { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
191 { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE },
192 { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
193 { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
194 { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
195 { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
197 /* Atheros AR9285 Malbec with sflash firmware */
198 { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
200 /* Atheros 3012 with sflash firmware */
201 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
202 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
203 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
204 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
205 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
206 { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
207 { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
208 { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
209 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
210 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
211 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
212 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
213 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
214 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
215 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
216 { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
217 { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
218 { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
219 { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
220 { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 },
221 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
222 { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
223 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
224 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
225 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
226 { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
227 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
228 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
229 { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
230 { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 },
231 { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 },
232 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
233 { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
234 { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 },
235 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
236 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
237 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
238 { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
239 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
240 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
241 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
242 { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
243 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
244 { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
245 { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
246 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
247 { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
248 { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
249 { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 },
250 { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 },
252 /* Atheros AR5BBU12 with sflash firmware */
253 { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
255 /* Atheros AR5BBU12 with sflash firmware */
256 { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
257 { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
259 /* QCA ROME chipset */
260 { USB_DEVICE(0x0cf3, 0x535b), .driver_info = BTUSB_QCA_ROME |
261 BTUSB_WIDEBAND_SPEECH },
262 { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME |
263 BTUSB_WIDEBAND_SPEECH },
264 { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME |
265 BTUSB_WIDEBAND_SPEECH },
266 { USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME |
267 BTUSB_WIDEBAND_SPEECH },
268 { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME |
269 BTUSB_WIDEBAND_SPEECH },
270 { USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME |
271 BTUSB_WIDEBAND_SPEECH },
272 { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME |
273 BTUSB_WIDEBAND_SPEECH },
274 { USB_DEVICE(0x0cf3, 0xe500), .driver_info = BTUSB_QCA_ROME |
275 BTUSB_WIDEBAND_SPEECH },
276 { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME |
277 BTUSB_WIDEBAND_SPEECH },
278 { USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME |
279 BTUSB_WIDEBAND_SPEECH },
280 { USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME |
281 BTUSB_WIDEBAND_SPEECH },
282 { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME |
283 BTUSB_WIDEBAND_SPEECH },
284 { USB_DEVICE(0x04ca, 0x3015), .driver_info = BTUSB_QCA_ROME |
285 BTUSB_WIDEBAND_SPEECH },
286 { USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME |
287 BTUSB_WIDEBAND_SPEECH },
288 { USB_DEVICE(0x04ca, 0x301a), .driver_info = BTUSB_QCA_ROME |
289 BTUSB_WIDEBAND_SPEECH },
290 { USB_DEVICE(0x04ca, 0x3021), .driver_info = BTUSB_QCA_ROME |
291 BTUSB_WIDEBAND_SPEECH },
292 { USB_DEVICE(0x13d3, 0x3491), .driver_info = BTUSB_QCA_ROME |
293 BTUSB_WIDEBAND_SPEECH },
294 { USB_DEVICE(0x13d3, 0x3496), .driver_info = BTUSB_QCA_ROME |
295 BTUSB_WIDEBAND_SPEECH },
296 { USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME |
297 BTUSB_WIDEBAND_SPEECH },
299 /* QCA WCN6855 chipset */
300 { USB_DEVICE(0x0cf3, 0xe600), .driver_info = BTUSB_QCA_WCN6855 |
301 BTUSB_WIDEBAND_SPEECH |
302 BTUSB_VALID_LE_STATES },
303 { USB_DEVICE(0x0489, 0xe0cc), .driver_info = BTUSB_QCA_WCN6855 |
304 BTUSB_WIDEBAND_SPEECH |
305 BTUSB_VALID_LE_STATES },
306 { USB_DEVICE(0x0489, 0xe0d6), .driver_info = BTUSB_QCA_WCN6855 |
307 BTUSB_WIDEBAND_SPEECH |
308 BTUSB_VALID_LE_STATES },
309 { USB_DEVICE(0x0489, 0xe0e3), .driver_info = BTUSB_QCA_WCN6855 |
310 BTUSB_WIDEBAND_SPEECH |
311 BTUSB_VALID_LE_STATES },
312 { USB_DEVICE(0x10ab, 0x9309), .driver_info = BTUSB_QCA_WCN6855 |
313 BTUSB_WIDEBAND_SPEECH |
314 BTUSB_VALID_LE_STATES },
315 { USB_DEVICE(0x10ab, 0x9409), .driver_info = BTUSB_QCA_WCN6855 |
316 BTUSB_WIDEBAND_SPEECH |
317 BTUSB_VALID_LE_STATES },
318 { USB_DEVICE(0x0489, 0xe0d0), .driver_info = BTUSB_QCA_WCN6855 |
319 BTUSB_WIDEBAND_SPEECH |
320 BTUSB_VALID_LE_STATES },
321 { USB_DEVICE(0x10ab, 0x9108), .driver_info = BTUSB_QCA_WCN6855 |
322 BTUSB_WIDEBAND_SPEECH |
323 BTUSB_VALID_LE_STATES },
324 { USB_DEVICE(0x10ab, 0x9109), .driver_info = BTUSB_QCA_WCN6855 |
325 BTUSB_WIDEBAND_SPEECH |
326 BTUSB_VALID_LE_STATES },
327 { USB_DEVICE(0x10ab, 0x9208), .driver_info = BTUSB_QCA_WCN6855 |
328 BTUSB_WIDEBAND_SPEECH |
329 BTUSB_VALID_LE_STATES },
330 { USB_DEVICE(0x10ab, 0x9209), .driver_info = BTUSB_QCA_WCN6855 |
331 BTUSB_WIDEBAND_SPEECH |
332 BTUSB_VALID_LE_STATES },
333 { USB_DEVICE(0x10ab, 0x9308), .driver_info = BTUSB_QCA_WCN6855 |
334 BTUSB_WIDEBAND_SPEECH |
335 BTUSB_VALID_LE_STATES },
336 { USB_DEVICE(0x10ab, 0x9408), .driver_info = BTUSB_QCA_WCN6855 |
337 BTUSB_WIDEBAND_SPEECH |
338 BTUSB_VALID_LE_STATES },
339 { USB_DEVICE(0x10ab, 0x9508), .driver_info = BTUSB_QCA_WCN6855 |
340 BTUSB_WIDEBAND_SPEECH |
341 BTUSB_VALID_LE_STATES },
342 { USB_DEVICE(0x10ab, 0x9509), .driver_info = BTUSB_QCA_WCN6855 |
343 BTUSB_WIDEBAND_SPEECH |
344 BTUSB_VALID_LE_STATES },
345 { USB_DEVICE(0x10ab, 0x9608), .driver_info = BTUSB_QCA_WCN6855 |
346 BTUSB_WIDEBAND_SPEECH |
347 BTUSB_VALID_LE_STATES },
348 { USB_DEVICE(0x10ab, 0x9609), .driver_info = BTUSB_QCA_WCN6855 |
349 BTUSB_WIDEBAND_SPEECH |
350 BTUSB_VALID_LE_STATES },
351 { USB_DEVICE(0x10ab, 0x9f09), .driver_info = BTUSB_QCA_WCN6855 |
352 BTUSB_WIDEBAND_SPEECH |
353 BTUSB_VALID_LE_STATES },
354 { USB_DEVICE(0x04ca, 0x3022), .driver_info = BTUSB_QCA_WCN6855 |
355 BTUSB_WIDEBAND_SPEECH |
356 BTUSB_VALID_LE_STATES },
357 { USB_DEVICE(0x0489, 0xe0c7), .driver_info = BTUSB_QCA_WCN6855 |
358 BTUSB_WIDEBAND_SPEECH |
359 BTUSB_VALID_LE_STATES },
360 { USB_DEVICE(0x0489, 0xe0c9), .driver_info = BTUSB_QCA_WCN6855 |
361 BTUSB_WIDEBAND_SPEECH |
362 BTUSB_VALID_LE_STATES },
363 { USB_DEVICE(0x0489, 0xe0ca), .driver_info = BTUSB_QCA_WCN6855 |
364 BTUSB_WIDEBAND_SPEECH |
365 BTUSB_VALID_LE_STATES },
366 { USB_DEVICE(0x0489, 0xe0cb), .driver_info = BTUSB_QCA_WCN6855 |
367 BTUSB_WIDEBAND_SPEECH |
368 BTUSB_VALID_LE_STATES },
369 { USB_DEVICE(0x0489, 0xe0ce), .driver_info = BTUSB_QCA_WCN6855 |
370 BTUSB_WIDEBAND_SPEECH |
371 BTUSB_VALID_LE_STATES },
372 { USB_DEVICE(0x0489, 0xe0de), .driver_info = BTUSB_QCA_WCN6855 |
373 BTUSB_WIDEBAND_SPEECH |
374 BTUSB_VALID_LE_STATES },
375 { USB_DEVICE(0x0489, 0xe0df), .driver_info = BTUSB_QCA_WCN6855 |
376 BTUSB_WIDEBAND_SPEECH |
377 BTUSB_VALID_LE_STATES },
378 { USB_DEVICE(0x0489, 0xe0e1), .driver_info = BTUSB_QCA_WCN6855 |
379 BTUSB_WIDEBAND_SPEECH |
380 BTUSB_VALID_LE_STATES },
381 { USB_DEVICE(0x0489, 0xe0ea), .driver_info = BTUSB_QCA_WCN6855 |
382 BTUSB_WIDEBAND_SPEECH |
383 BTUSB_VALID_LE_STATES },
384 { USB_DEVICE(0x0489, 0xe0ec), .driver_info = BTUSB_QCA_WCN6855 |
385 BTUSB_WIDEBAND_SPEECH |
386 BTUSB_VALID_LE_STATES },
387 { USB_DEVICE(0x04ca, 0x3023), .driver_info = BTUSB_QCA_WCN6855 |
388 BTUSB_WIDEBAND_SPEECH |
389 BTUSB_VALID_LE_STATES },
390 { USB_DEVICE(0x04ca, 0x3024), .driver_info = BTUSB_QCA_WCN6855 |
391 BTUSB_WIDEBAND_SPEECH |
392 BTUSB_VALID_LE_STATES },
393 { USB_DEVICE(0x04ca, 0x3a22), .driver_info = BTUSB_QCA_WCN6855 |
394 BTUSB_WIDEBAND_SPEECH |
395 BTUSB_VALID_LE_STATES },
396 { USB_DEVICE(0x04ca, 0x3a24), .driver_info = BTUSB_QCA_WCN6855 |
397 BTUSB_WIDEBAND_SPEECH |
398 BTUSB_VALID_LE_STATES },
399 { USB_DEVICE(0x04ca, 0x3a26), .driver_info = BTUSB_QCA_WCN6855 |
400 BTUSB_WIDEBAND_SPEECH |
401 BTUSB_VALID_LE_STATES },
402 { USB_DEVICE(0x04ca, 0x3a27), .driver_info = BTUSB_QCA_WCN6855 |
403 BTUSB_WIDEBAND_SPEECH |
404 BTUSB_VALID_LE_STATES },
406 /* QCA WCN785x chipset */
407 { USB_DEVICE(0x0cf3, 0xe700), .driver_info = BTUSB_QCA_WCN6855 |
408 BTUSB_WIDEBAND_SPEECH |
409 BTUSB_VALID_LE_STATES },
411 /* Broadcom BCM2035 */
412 { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
413 { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
414 { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
416 /* Broadcom BCM2045 */
417 { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
418 { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
420 /* IBM/Lenovo ThinkPad with Broadcom chip */
421 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
422 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
424 /* HP laptop with Broadcom chip */
425 { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
427 /* Dell laptop with Broadcom chip */
428 { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
430 /* Dell Wireless 370 and 410 devices */
431 { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
432 { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
434 /* Belkin F8T012 and F8T013 devices */
435 { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
436 { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
438 /* Asus WL-BTD202 device */
439 { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
441 /* Kensington Bluetooth USB adapter */
442 { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
444 /* RTX Telecom based adapters with buggy SCO support */
445 { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
446 { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
448 /* CONWISE Technology based adapters with buggy SCO support */
449 { USB_DEVICE(0x0e5e, 0x6622),
450 .driver_info = BTUSB_BROKEN_ISOC | BTUSB_CW6622},
452 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
453 { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE },
455 /* Digianswer devices */
456 { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
457 { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
459 /* CSR BlueCore Bluetooth Sniffer */
460 { USB_DEVICE(0x0a12, 0x0002),
461 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
463 /* Frontline ComProbe Bluetooth Sniffer */
464 { USB_DEVICE(0x16d3, 0x0002),
465 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
467 /* Marvell Bluetooth devices */
468 { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL },
469 { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL },
470 { USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL },
472 /* Intel Bluetooth devices */
473 { USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_COMBINED },
474 { USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_COMBINED },
475 { USB_DEVICE(0x8087, 0x0029), .driver_info = BTUSB_INTEL_COMBINED },
476 { USB_DEVICE(0x8087, 0x0032), .driver_info = BTUSB_INTEL_COMBINED },
477 { USB_DEVICE(0x8087, 0x0033), .driver_info = BTUSB_INTEL_COMBINED },
478 { USB_DEVICE(0x8087, 0x0035), .driver_info = BTUSB_INTEL_COMBINED },
479 { USB_DEVICE(0x8087, 0x0036), .driver_info = BTUSB_INTEL_COMBINED },
480 { USB_DEVICE(0x8087, 0x0038), .driver_info = BTUSB_INTEL_COMBINED },
481 { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR },
482 { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL_COMBINED |
483 BTUSB_INTEL_NO_WBS_SUPPORT |
484 BTUSB_INTEL_BROKEN_INITIAL_NCMD |
485 BTUSB_INTEL_BROKEN_SHUTDOWN_LED },
486 { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL_COMBINED |
487 BTUSB_INTEL_NO_WBS_SUPPORT |
488 BTUSB_INTEL_BROKEN_SHUTDOWN_LED },
489 { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_COMBINED },
490 { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL_COMBINED |
491 BTUSB_INTEL_BROKEN_SHUTDOWN_LED },
492 { USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_COMBINED },
494 /* Other Intel Bluetooth devices */
495 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
496 .driver_info = BTUSB_IGNORE },
498 /* Realtek 8821CE Bluetooth devices */
499 { USB_DEVICE(0x13d3, 0x3529), .driver_info = BTUSB_REALTEK |
500 BTUSB_WIDEBAND_SPEECH },
502 /* Realtek 8822CE Bluetooth devices */
503 { USB_DEVICE(0x0bda, 0xb00c), .driver_info = BTUSB_REALTEK |
504 BTUSB_WIDEBAND_SPEECH },
505 { USB_DEVICE(0x0bda, 0xc822), .driver_info = BTUSB_REALTEK |
506 BTUSB_WIDEBAND_SPEECH },
508 /* Realtek 8822CU Bluetooth devices */
509 { USB_DEVICE(0x13d3, 0x3549), .driver_info = BTUSB_REALTEK |
510 BTUSB_WIDEBAND_SPEECH },
512 /* Realtek 8852AE Bluetooth devices */
513 { USB_DEVICE(0x0bda, 0x2852), .driver_info = BTUSB_REALTEK |
514 BTUSB_WIDEBAND_SPEECH },
515 { USB_DEVICE(0x0bda, 0xc852), .driver_info = BTUSB_REALTEK |
516 BTUSB_WIDEBAND_SPEECH },
517 { USB_DEVICE(0x0bda, 0x385a), .driver_info = BTUSB_REALTEK |
518 BTUSB_WIDEBAND_SPEECH },
519 { USB_DEVICE(0x0bda, 0x4852), .driver_info = BTUSB_REALTEK |
520 BTUSB_WIDEBAND_SPEECH },
521 { USB_DEVICE(0x04c5, 0x165c), .driver_info = BTUSB_REALTEK |
522 BTUSB_WIDEBAND_SPEECH },
523 { USB_DEVICE(0x04ca, 0x4006), .driver_info = BTUSB_REALTEK |
524 BTUSB_WIDEBAND_SPEECH },
525 { USB_DEVICE(0x0cb8, 0xc549), .driver_info = BTUSB_REALTEK |
526 BTUSB_WIDEBAND_SPEECH },
528 /* Realtek 8852CE Bluetooth devices */
529 { USB_DEVICE(0x04ca, 0x4007), .driver_info = BTUSB_REALTEK |
530 BTUSB_WIDEBAND_SPEECH },
531 { USB_DEVICE(0x04c5, 0x1675), .driver_info = BTUSB_REALTEK |
532 BTUSB_WIDEBAND_SPEECH },
533 { USB_DEVICE(0x0cb8, 0xc558), .driver_info = BTUSB_REALTEK |
534 BTUSB_WIDEBAND_SPEECH },
535 { USB_DEVICE(0x13d3, 0x3587), .driver_info = BTUSB_REALTEK |
536 BTUSB_WIDEBAND_SPEECH },
537 { USB_DEVICE(0x13d3, 0x3586), .driver_info = BTUSB_REALTEK |
538 BTUSB_WIDEBAND_SPEECH },
539 { USB_DEVICE(0x13d3, 0x3592), .driver_info = BTUSB_REALTEK |
540 BTUSB_WIDEBAND_SPEECH },
542 /* Realtek 8852BE Bluetooth devices */
543 { USB_DEVICE(0x0cb8, 0xc559), .driver_info = BTUSB_REALTEK |
544 BTUSB_WIDEBAND_SPEECH },
545 { USB_DEVICE(0x0bda, 0x887b), .driver_info = BTUSB_REALTEK |
546 BTUSB_WIDEBAND_SPEECH },
547 { USB_DEVICE(0x0bda, 0xb85b), .driver_info = BTUSB_REALTEK |
548 BTUSB_WIDEBAND_SPEECH },
549 { USB_DEVICE(0x13d3, 0x3570), .driver_info = BTUSB_REALTEK |
550 BTUSB_WIDEBAND_SPEECH },
551 { USB_DEVICE(0x13d3, 0x3571), .driver_info = BTUSB_REALTEK |
552 BTUSB_WIDEBAND_SPEECH },
553 { USB_DEVICE(0x13d3, 0x3572), .driver_info = BTUSB_REALTEK |
554 BTUSB_WIDEBAND_SPEECH },
556 /* Realtek Bluetooth devices */
557 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
558 .driver_info = BTUSB_REALTEK },
560 /* MediaTek Bluetooth devices */
561 { USB_VENDOR_AND_INTERFACE_INFO(0x0e8d, 0xe0, 0x01, 0x01),
562 .driver_info = BTUSB_MEDIATEK |
563 BTUSB_WIDEBAND_SPEECH |
564 BTUSB_VALID_LE_STATES },
566 /* Additional MediaTek MT7615E Bluetooth devices */
567 { USB_DEVICE(0x13d3, 0x3560), .driver_info = BTUSB_MEDIATEK},
569 /* Additional MediaTek MT7663 Bluetooth devices */
570 { USB_DEVICE(0x043e, 0x310c), .driver_info = BTUSB_MEDIATEK |
571 BTUSB_WIDEBAND_SPEECH |
572 BTUSB_VALID_LE_STATES },
573 { USB_DEVICE(0x04ca, 0x3801), .driver_info = BTUSB_MEDIATEK |
574 BTUSB_WIDEBAND_SPEECH |
575 BTUSB_VALID_LE_STATES },
577 /* Additional MediaTek MT7668 Bluetooth devices */
578 { USB_DEVICE(0x043e, 0x3109), .driver_info = BTUSB_MEDIATEK |
579 BTUSB_WIDEBAND_SPEECH |
580 BTUSB_VALID_LE_STATES },
582 /* Additional MediaTek MT7921 Bluetooth devices */
583 { USB_DEVICE(0x0489, 0xe0c8), .driver_info = BTUSB_MEDIATEK |
584 BTUSB_WIDEBAND_SPEECH |
585 BTUSB_VALID_LE_STATES },
586 { USB_DEVICE(0x0489, 0xe0e0), .driver_info = BTUSB_MEDIATEK |
587 BTUSB_WIDEBAND_SPEECH |
588 BTUSB_VALID_LE_STATES },
589 { USB_DEVICE(0x0489, 0xe0f2), .driver_info = BTUSB_MEDIATEK |
590 BTUSB_WIDEBAND_SPEECH |
591 BTUSB_VALID_LE_STATES },
592 { USB_DEVICE(0x04ca, 0x3802), .driver_info = BTUSB_MEDIATEK |
593 BTUSB_WIDEBAND_SPEECH |
594 BTUSB_VALID_LE_STATES },
595 { USB_DEVICE(0x13d3, 0x3563), .driver_info = BTUSB_MEDIATEK |
596 BTUSB_WIDEBAND_SPEECH |
597 BTUSB_VALID_LE_STATES },
598 { USB_DEVICE(0x13d3, 0x3564), .driver_info = BTUSB_MEDIATEK |
599 BTUSB_WIDEBAND_SPEECH |
600 BTUSB_VALID_LE_STATES },
601 { USB_DEVICE(0x13d3, 0x3567), .driver_info = BTUSB_MEDIATEK |
602 BTUSB_WIDEBAND_SPEECH |
603 BTUSB_VALID_LE_STATES },
604 { USB_DEVICE(0x13d3, 0x3578), .driver_info = BTUSB_MEDIATEK |
605 BTUSB_WIDEBAND_SPEECH |
606 BTUSB_VALID_LE_STATES },
607 { USB_DEVICE(0x13d3, 0x3583), .driver_info = BTUSB_MEDIATEK |
608 BTUSB_WIDEBAND_SPEECH |
609 BTUSB_VALID_LE_STATES },
610 { USB_DEVICE(0x0489, 0xe0cd), .driver_info = BTUSB_MEDIATEK |
611 BTUSB_WIDEBAND_SPEECH |
612 BTUSB_VALID_LE_STATES },
613 { USB_DEVICE(0x0e8d, 0x0608), .driver_info = BTUSB_MEDIATEK |
614 BTUSB_WIDEBAND_SPEECH |
615 BTUSB_VALID_LE_STATES },
617 /* MediaTek MT7922A Bluetooth devices */
618 { USB_DEVICE(0x0489, 0xe0d8), .driver_info = BTUSB_MEDIATEK |
619 BTUSB_WIDEBAND_SPEECH |
620 BTUSB_VALID_LE_STATES },
621 { USB_DEVICE(0x0489, 0xe0d9), .driver_info = BTUSB_MEDIATEK |
622 BTUSB_WIDEBAND_SPEECH |
623 BTUSB_VALID_LE_STATES },
624 { USB_DEVICE(0x0489, 0xe0f5), .driver_info = BTUSB_MEDIATEK |
625 BTUSB_WIDEBAND_SPEECH |
626 BTUSB_VALID_LE_STATES },
627 { USB_DEVICE(0x13d3, 0x3568), .driver_info = BTUSB_MEDIATEK |
628 BTUSB_WIDEBAND_SPEECH |
629 BTUSB_VALID_LE_STATES },
630 { USB_DEVICE(0x0489, 0xe0e2), .driver_info = BTUSB_MEDIATEK |
631 BTUSB_WIDEBAND_SPEECH |
632 BTUSB_VALID_LE_STATES },
633 { USB_DEVICE(0x0489, 0xe0e4), .driver_info = BTUSB_MEDIATEK |
634 BTUSB_WIDEBAND_SPEECH |
635 BTUSB_VALID_LE_STATES },
636 { USB_DEVICE(0x0489, 0xe0f1), .driver_info = BTUSB_MEDIATEK |
637 BTUSB_WIDEBAND_SPEECH |
638 BTUSB_VALID_LE_STATES },
639 { USB_DEVICE(0x0489, 0xe0f2), .driver_info = BTUSB_MEDIATEK |
640 BTUSB_WIDEBAND_SPEECH |
641 BTUSB_VALID_LE_STATES },
642 { USB_DEVICE(0x0489, 0xe0f5), .driver_info = BTUSB_MEDIATEK |
643 BTUSB_WIDEBAND_SPEECH |
644 BTUSB_VALID_LE_STATES },
645 { USB_DEVICE(0x0489, 0xe0f6), .driver_info = BTUSB_MEDIATEK |
646 BTUSB_WIDEBAND_SPEECH |
647 BTUSB_VALID_LE_STATES },
648 { USB_DEVICE(0x0489, 0xe102), .driver_info = BTUSB_MEDIATEK |
649 BTUSB_WIDEBAND_SPEECH |
650 BTUSB_VALID_LE_STATES },
651 { USB_DEVICE(0x04ca, 0x3804), .driver_info = BTUSB_MEDIATEK |
652 BTUSB_WIDEBAND_SPEECH |
653 BTUSB_VALID_LE_STATES },
654 { USB_DEVICE(0x35f5, 0x7922), .driver_info = BTUSB_MEDIATEK |
655 BTUSB_WIDEBAND_SPEECH |
656 BTUSB_VALID_LE_STATES },
658 /* Additional Realtek 8723AE Bluetooth devices */
659 { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
660 { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK },
662 /* Additional Realtek 8723BE Bluetooth devices */
663 { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK },
664 { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK },
665 { USB_DEVICE(0x04f2, 0xb49f), .driver_info = BTUSB_REALTEK },
666 { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK },
667 { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK },
668 { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK },
669 { USB_DEVICE(0x13d3, 0x3494), .driver_info = BTUSB_REALTEK },
671 /* Additional Realtek 8723BU Bluetooth devices */
672 { USB_DEVICE(0x7392, 0xa611), .driver_info = BTUSB_REALTEK },
674 /* Additional Realtek 8723DE Bluetooth devices */
675 { USB_DEVICE(0x0bda, 0xb009), .driver_info = BTUSB_REALTEK },
676 { USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK },
678 /* Additional Realtek 8761BUV Bluetooth devices */
679 { USB_DEVICE(0x2357, 0x0604), .driver_info = BTUSB_REALTEK |
680 BTUSB_WIDEBAND_SPEECH },
681 { USB_DEVICE(0x0b05, 0x190e), .driver_info = BTUSB_REALTEK |
682 BTUSB_WIDEBAND_SPEECH },
683 { USB_DEVICE(0x2550, 0x8761), .driver_info = BTUSB_REALTEK |
684 BTUSB_WIDEBAND_SPEECH },
685 { USB_DEVICE(0x0bda, 0x8771), .driver_info = BTUSB_REALTEK |
686 BTUSB_WIDEBAND_SPEECH },
687 { USB_DEVICE(0x6655, 0x8771), .driver_info = BTUSB_REALTEK |
688 BTUSB_WIDEBAND_SPEECH },
689 { USB_DEVICE(0x7392, 0xc611), .driver_info = BTUSB_REALTEK |
690 BTUSB_WIDEBAND_SPEECH },
691 { USB_DEVICE(0x2b89, 0x8761), .driver_info = BTUSB_REALTEK |
692 BTUSB_WIDEBAND_SPEECH },
694 /* Additional Realtek 8821AE Bluetooth devices */
695 { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK },
696 { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK },
697 { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK },
698 { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK },
699 { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK },
701 /* Additional Realtek 8822BE Bluetooth devices */
702 { USB_DEVICE(0x13d3, 0x3526), .driver_info = BTUSB_REALTEK },
703 { USB_DEVICE(0x0b05, 0x185c), .driver_info = BTUSB_REALTEK },
705 /* Additional Realtek 8822CE Bluetooth devices */
706 { USB_DEVICE(0x04ca, 0x4005), .driver_info = BTUSB_REALTEK |
707 BTUSB_WIDEBAND_SPEECH },
708 { USB_DEVICE(0x04c5, 0x161f), .driver_info = BTUSB_REALTEK |
709 BTUSB_WIDEBAND_SPEECH },
710 { USB_DEVICE(0x0b05, 0x18ef), .driver_info = BTUSB_REALTEK |
711 BTUSB_WIDEBAND_SPEECH },
712 { USB_DEVICE(0x13d3, 0x3548), .driver_info = BTUSB_REALTEK |
713 BTUSB_WIDEBAND_SPEECH },
714 { USB_DEVICE(0x13d3, 0x3549), .driver_info = BTUSB_REALTEK |
715 BTUSB_WIDEBAND_SPEECH },
716 { USB_DEVICE(0x13d3, 0x3553), .driver_info = BTUSB_REALTEK |
717 BTUSB_WIDEBAND_SPEECH },
718 { USB_DEVICE(0x13d3, 0x3555), .driver_info = BTUSB_REALTEK |
719 BTUSB_WIDEBAND_SPEECH },
720 { USB_DEVICE(0x2ff8, 0x3051), .driver_info = BTUSB_REALTEK |
721 BTUSB_WIDEBAND_SPEECH },
722 { USB_DEVICE(0x1358, 0xc123), .driver_info = BTUSB_REALTEK |
723 BTUSB_WIDEBAND_SPEECH },
724 { USB_DEVICE(0x0bda, 0xc123), .driver_info = BTUSB_REALTEK |
725 BTUSB_WIDEBAND_SPEECH },
726 { USB_DEVICE(0x0cb5, 0xc547), .driver_info = BTUSB_REALTEK |
727 BTUSB_WIDEBAND_SPEECH },
729 /* Actions Semiconductor ATS2851 based devices */
730 { USB_DEVICE(0x10d7, 0xb012), .driver_info = BTUSB_ACTIONS_SEMI },
732 /* Silicon Wave based devices */
733 { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE },
735 { } /* Terminating entry */
738 /* The Bluetooth USB module build into some devices needs to be reset on resume,
739 * this is a problem with the platform (likely shutting off all power) not with
740 * the module itself. So we use a DMI list to match known broken platforms.
742 static const struct dmi_system_id btusb_needs_reset_resume_table[] = {
744 /* Dell OptiPlex 3060 (QCA ROME device 0cf3:e007) */
746 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
747 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 3060"),
751 /* Dell XPS 9360 (QCA ROME device 0cf3:e300) */
753 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
754 DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360"),
758 /* Dell Inspiron 5565 (QCA ROME device 0cf3:e009) */
760 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
761 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5565"),
767 struct qca_dump_info {
768 /* fields for dump collection */
777 #define BTUSB_MAX_ISOC_FRAMES 10
779 #define BTUSB_INTR_RUNNING 0
780 #define BTUSB_BULK_RUNNING 1
781 #define BTUSB_ISOC_RUNNING 2
782 #define BTUSB_SUSPENDING 3
783 #define BTUSB_DID_ISO_RESUME 4
784 #define BTUSB_BOOTLOADER 5
785 #define BTUSB_DOWNLOADING 6
786 #define BTUSB_FIRMWARE_LOADED 7
787 #define BTUSB_FIRMWARE_FAILED 8
788 #define BTUSB_BOOTING 9
789 #define BTUSB_DIAG_RUNNING 10
790 #define BTUSB_OOB_WAKE_ENABLED 11
791 #define BTUSB_HW_RESET_ACTIVE 12
792 #define BTUSB_TX_WAIT_VND_EVT 13
793 #define BTUSB_WAKEUP_AUTOSUSPEND 14
794 #define BTUSB_USE_ALT3_FOR_WBS 15
795 #define BTUSB_ALT6_CONTINUOUS_TX 16
796 #define BTUSB_HW_SSR_ACTIVE 17
799 struct hci_dev *hdev;
800 struct usb_device *udev;
801 struct usb_interface *intf;
802 struct usb_interface *isoc;
803 struct usb_interface *diag;
810 struct work_struct work;
811 struct work_struct waker;
812 struct delayed_work rx_work;
814 struct sk_buff_head acl_q;
816 struct usb_anchor deferred;
817 struct usb_anchor tx_anchor;
821 struct usb_anchor intr_anchor;
822 struct usb_anchor bulk_anchor;
823 struct usb_anchor isoc_anchor;
824 struct usb_anchor diag_anchor;
825 struct usb_anchor ctrl_anchor;
828 struct sk_buff *evt_skb;
829 struct sk_buff *acl_skb;
830 struct sk_buff *sco_skb;
832 struct usb_endpoint_descriptor *intr_ep;
833 struct usb_endpoint_descriptor *bulk_tx_ep;
834 struct usb_endpoint_descriptor *bulk_rx_ep;
835 struct usb_endpoint_descriptor *isoc_tx_ep;
836 struct usb_endpoint_descriptor *isoc_rx_ep;
837 struct usb_endpoint_descriptor *diag_tx_ep;
838 struct usb_endpoint_descriptor *diag_rx_ep;
840 struct gpio_desc *reset_gpio;
845 unsigned int sco_num;
846 unsigned int air_mode;
847 bool usb_alt6_packet_flow;
851 int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb);
852 int (*recv_acl)(struct hci_dev *hdev, struct sk_buff *skb);
853 int (*recv_bulk)(struct btusb_data *data, void *buffer, int count);
855 int (*setup_on_usb)(struct hci_dev *hdev);
857 int oob_wake_irq; /* irq for out-of-band wake-on-bt */
858 unsigned cmd_timeout_cnt;
860 struct qca_dump_info qca_dump;
863 static void btusb_reset(struct hci_dev *hdev)
865 struct btusb_data *data;
873 data = hci_get_drvdata(hdev);
874 /* This is not an unbalanced PM reference since the device will reset */
875 err = usb_autopm_get_interface(data->intf);
877 bt_dev_err(hdev, "Failed usb_autopm_get_interface: %d", err);
881 bt_dev_err(hdev, "Resetting usb device.");
882 usb_queue_reset_device(data->intf);
885 static void btusb_intel_cmd_timeout(struct hci_dev *hdev)
887 struct btusb_data *data = hci_get_drvdata(hdev);
888 struct gpio_desc *reset_gpio = data->reset_gpio;
889 struct btintel_data *intel_data = hci_get_priv(hdev);
891 if (++data->cmd_timeout_cnt < 5)
894 if (intel_data->acpi_reset_method) {
895 if (test_and_set_bit(INTEL_ACPI_RESET_ACTIVE, intel_data->flags)) {
896 bt_dev_err(hdev, "acpi: last reset failed ? Not resetting again");
900 bt_dev_err(hdev, "Initiating acpi reset method");
901 /* If ACPI reset method fails, lets try with legacy GPIO
904 if (!intel_data->acpi_reset_method(hdev)) {
915 * Toggle the hard reset line if the platform provides one. The reset
916 * is going to yank the device off the USB and then replug. So doing
917 * once is enough. The cleanup is handled correctly on the way out
918 * (standard USB disconnect), and the new device is detected cleanly
919 * and bound to the driver again like it should be.
921 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
922 bt_dev_err(hdev, "last reset failed? Not resetting again");
926 bt_dev_err(hdev, "Initiating HW reset via gpio");
927 gpiod_set_value_cansleep(reset_gpio, 1);
929 gpiod_set_value_cansleep(reset_gpio, 0);
932 #define RTK_DEVCOREDUMP_CODE_MEMDUMP 0x01
933 #define RTK_DEVCOREDUMP_CODE_HW_ERR 0x02
934 #define RTK_DEVCOREDUMP_CODE_CMD_TIMEOUT 0x03
936 #define RTK_SUB_EVENT_CODE_COREDUMP 0x34
938 struct rtk_dev_coredump_hdr {
944 static inline void btusb_rtl_alloc_devcoredump(struct hci_dev *hdev,
945 struct rtk_dev_coredump_hdr *hdr, u8 *buf, u32 len)
949 skb = alloc_skb(len + sizeof(*hdr), GFP_ATOMIC);
953 skb_put_data(skb, hdr, sizeof(*hdr));
955 skb_put_data(skb, buf, len);
957 if (!hci_devcd_init(hdev, skb->len)) {
958 hci_devcd_append(hdev, skb);
959 hci_devcd_complete(hdev);
961 bt_dev_err(hdev, "RTL: Failed to generate devcoredump");
966 static void btusb_rtl_cmd_timeout(struct hci_dev *hdev)
968 struct btusb_data *data = hci_get_drvdata(hdev);
969 struct gpio_desc *reset_gpio = data->reset_gpio;
970 struct rtk_dev_coredump_hdr hdr = {
971 .type = RTK_DEVCOREDUMP_CODE_CMD_TIMEOUT,
974 btusb_rtl_alloc_devcoredump(hdev, &hdr, NULL, 0);
976 if (++data->cmd_timeout_cnt < 5)
984 /* Toggle the hard reset line. The Realtek device is going to
985 * yank itself off the USB and then replug. The cleanup is handled
986 * correctly on the way out (standard USB disconnect), and the new
987 * device is detected cleanly and bound to the driver again like
990 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
991 bt_dev_err(hdev, "last reset failed? Not resetting again");
995 bt_dev_err(hdev, "Reset Realtek device via gpio");
996 gpiod_set_value_cansleep(reset_gpio, 1);
998 gpiod_set_value_cansleep(reset_gpio, 0);
1001 static void btusb_rtl_hw_error(struct hci_dev *hdev, u8 code)
1003 struct rtk_dev_coredump_hdr hdr = {
1004 .type = RTK_DEVCOREDUMP_CODE_HW_ERR,
1008 bt_dev_err(hdev, "RTL: hw err, trigger devcoredump (%d)", code);
1010 btusb_rtl_alloc_devcoredump(hdev, &hdr, NULL, 0);
1013 static void btusb_qca_cmd_timeout(struct hci_dev *hdev)
1015 struct btusb_data *data = hci_get_drvdata(hdev);
1016 struct gpio_desc *reset_gpio = data->reset_gpio;
1018 if (test_bit(BTUSB_HW_SSR_ACTIVE, &data->flags)) {
1019 bt_dev_info(hdev, "Ramdump in progress, defer cmd_timeout");
1023 if (++data->cmd_timeout_cnt < 5)
1027 bt_dev_err(hdev, "Reset qca device via bt_en gpio");
1029 /* Toggle the hard reset line. The qca bt device is going to
1030 * yank itself off the USB and then replug. The cleanup is handled
1031 * correctly on the way out (standard USB disconnect), and the new
1032 * device is detected cleanly and bound to the driver again like
1035 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
1036 bt_dev_err(hdev, "last reset failed? Not resetting again");
1040 gpiod_set_value_cansleep(reset_gpio, 0);
1042 gpiod_set_value_cansleep(reset_gpio, 1);
1050 static inline void btusb_free_frags(struct btusb_data *data)
1052 unsigned long flags;
1054 spin_lock_irqsave(&data->rxlock, flags);
1056 dev_kfree_skb_irq(data->evt_skb);
1057 data->evt_skb = NULL;
1059 dev_kfree_skb_irq(data->acl_skb);
1060 data->acl_skb = NULL;
1062 dev_kfree_skb_irq(data->sco_skb);
1063 data->sco_skb = NULL;
1065 spin_unlock_irqrestore(&data->rxlock, flags);
1068 static int btusb_recv_event(struct btusb_data *data, struct sk_buff *skb)
1070 if (data->intr_interval) {
1071 /* Trigger dequeue immediatelly if an event is received */
1072 schedule_delayed_work(&data->rx_work, 0);
1075 return data->recv_event(data->hdev, skb);
1078 static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count)
1080 struct sk_buff *skb;
1081 unsigned long flags;
1084 spin_lock_irqsave(&data->rxlock, flags);
1085 skb = data->evt_skb;
1091 skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC);
1097 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
1098 hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE;
1101 len = min_t(uint, hci_skb_expect(skb), count);
1102 skb_put_data(skb, buffer, len);
1106 hci_skb_expect(skb) -= len;
1108 if (skb->len == HCI_EVENT_HDR_SIZE) {
1109 /* Complete event header */
1110 hci_skb_expect(skb) = hci_event_hdr(skb)->plen;
1112 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
1121 if (!hci_skb_expect(skb)) {
1122 /* Complete frame */
1123 btusb_recv_event(data, skb);
1128 data->evt_skb = skb;
1129 spin_unlock_irqrestore(&data->rxlock, flags);
1134 static int btusb_recv_acl(struct btusb_data *data, struct sk_buff *skb)
1136 /* Only queue ACL packet if intr_interval is set as it means
1137 * force_poll_sync has been enabled.
1139 if (!data->intr_interval)
1140 return data->recv_acl(data->hdev, skb);
1142 skb_queue_tail(&data->acl_q, skb);
1143 schedule_delayed_work(&data->rx_work, data->intr_interval);
1148 static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
1150 struct sk_buff *skb;
1151 unsigned long flags;
1154 spin_lock_irqsave(&data->rxlock, flags);
1155 skb = data->acl_skb;
1161 skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
1167 hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT;
1168 hci_skb_expect(skb) = HCI_ACL_HDR_SIZE;
1171 len = min_t(uint, hci_skb_expect(skb), count);
1172 skb_put_data(skb, buffer, len);
1176 hci_skb_expect(skb) -= len;
1178 if (skb->len == HCI_ACL_HDR_SIZE) {
1179 __le16 dlen = hci_acl_hdr(skb)->dlen;
1181 /* Complete ACL header */
1182 hci_skb_expect(skb) = __le16_to_cpu(dlen);
1184 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
1193 if (!hci_skb_expect(skb)) {
1194 /* Complete frame */
1195 btusb_recv_acl(data, skb);
1200 data->acl_skb = skb;
1201 spin_unlock_irqrestore(&data->rxlock, flags);
1206 static bool btusb_validate_sco_handle(struct hci_dev *hdev,
1207 struct hci_sco_hdr *hdr)
1211 if (hci_dev_test_flag(hdev, HCI_USER_CHANNEL))
1212 // Can't validate, userspace controls everything.
1216 * USB isochronous transfers are not designed to be reliable and may
1217 * lose fragments. When this happens, the next first fragment
1218 * encountered might actually be a continuation fragment.
1219 * Validate the handle to detect it and drop it, or else the upper
1220 * layer will get garbage for a while.
1223 handle = hci_handle(__le16_to_cpu(hdr->handle));
1225 switch (hci_conn_lookup_type(hdev, handle)) {
1234 static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count)
1236 struct sk_buff *skb;
1237 unsigned long flags;
1240 spin_lock_irqsave(&data->rxlock, flags);
1241 skb = data->sco_skb;
1247 skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC);
1253 hci_skb_pkt_type(skb) = HCI_SCODATA_PKT;
1254 hci_skb_expect(skb) = HCI_SCO_HDR_SIZE;
1257 len = min_t(uint, hci_skb_expect(skb), count);
1258 skb_put_data(skb, buffer, len);
1262 hci_skb_expect(skb) -= len;
1264 if (skb->len == HCI_SCO_HDR_SIZE) {
1265 /* Complete SCO header */
1266 struct hci_sco_hdr *hdr = hci_sco_hdr(skb);
1268 hci_skb_expect(skb) = hdr->dlen;
1270 if (skb_tailroom(skb) < hci_skb_expect(skb) ||
1271 !btusb_validate_sco_handle(data->hdev, hdr)) {
1280 if (!hci_skb_expect(skb)) {
1281 /* Complete frame */
1282 hci_recv_frame(data->hdev, skb);
1287 data->sco_skb = skb;
1288 spin_unlock_irqrestore(&data->rxlock, flags);
1293 static void btusb_intr_complete(struct urb *urb)
1295 struct hci_dev *hdev = urb->context;
1296 struct btusb_data *data = hci_get_drvdata(hdev);
1299 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1300 urb->actual_length);
1302 if (!test_bit(HCI_RUNNING, &hdev->flags))
1305 if (urb->status == 0) {
1306 hdev->stat.byte_rx += urb->actual_length;
1308 if (btusb_recv_intr(data, urb->transfer_buffer,
1309 urb->actual_length) < 0) {
1310 bt_dev_err(hdev, "corrupted event packet");
1311 hdev->stat.err_rx++;
1313 } else if (urb->status == -ENOENT) {
1314 /* Avoid suspend failed when usb_kill_urb */
1318 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
1321 usb_mark_last_busy(data->udev);
1322 usb_anchor_urb(urb, &data->intr_anchor);
1324 err = usb_submit_urb(urb, GFP_ATOMIC);
1326 /* -EPERM: urb is being killed;
1327 * -ENODEV: device got disconnected
1329 if (err != -EPERM && err != -ENODEV)
1330 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
1333 hci_cmd_sync_cancel(hdev, -err);
1334 usb_unanchor_urb(urb);
1338 static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
1340 struct btusb_data *data = hci_get_drvdata(hdev);
1346 BT_DBG("%s", hdev->name);
1351 urb = usb_alloc_urb(0, mem_flags);
1355 size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
1357 buf = kmalloc(size, mem_flags);
1363 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
1365 usb_fill_int_urb(urb, data->udev, pipe, buf, size,
1366 btusb_intr_complete, hdev, data->intr_ep->bInterval);
1368 urb->transfer_flags |= URB_FREE_BUFFER;
1370 usb_anchor_urb(urb, &data->intr_anchor);
1372 err = usb_submit_urb(urb, mem_flags);
1374 if (err != -EPERM && err != -ENODEV)
1375 bt_dev_err(hdev, "urb %p submission failed (%d)",
1378 hci_cmd_sync_cancel(hdev, -err);
1379 usb_unanchor_urb(urb);
1382 /* Only initialize intr_interval if URB poll sync is enabled */
1383 if (!data->poll_sync)
1386 /* The units are frames (milliseconds) for full and low speed devices,
1387 * and microframes (1/8 millisecond) for highspeed and SuperSpeed
1390 * This is done once on open/resume so it shouldn't change even if
1391 * force_poll_sync changes.
1393 switch (urb->dev->speed) {
1394 case USB_SPEED_SUPER_PLUS:
1395 case USB_SPEED_SUPER: /* units are 125us */
1396 data->intr_interval = usecs_to_jiffies(urb->interval * 125);
1399 data->intr_interval = msecs_to_jiffies(urb->interval);
1409 static void btusb_bulk_complete(struct urb *urb)
1411 struct hci_dev *hdev = urb->context;
1412 struct btusb_data *data = hci_get_drvdata(hdev);
1415 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1416 urb->actual_length);
1418 if (!test_bit(HCI_RUNNING, &hdev->flags))
1421 if (urb->status == 0) {
1422 hdev->stat.byte_rx += urb->actual_length;
1424 if (data->recv_bulk(data, urb->transfer_buffer,
1425 urb->actual_length) < 0) {
1426 bt_dev_err(hdev, "corrupted ACL packet");
1427 hdev->stat.err_rx++;
1429 } else if (urb->status == -ENOENT) {
1430 /* Avoid suspend failed when usb_kill_urb */
1434 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
1437 usb_anchor_urb(urb, &data->bulk_anchor);
1438 usb_mark_last_busy(data->udev);
1440 err = usb_submit_urb(urb, GFP_ATOMIC);
1442 /* -EPERM: urb is being killed;
1443 * -ENODEV: device got disconnected
1445 if (err != -EPERM && err != -ENODEV)
1446 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
1448 usb_unanchor_urb(urb);
1452 static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
1454 struct btusb_data *data = hci_get_drvdata(hdev);
1458 int err, size = HCI_MAX_FRAME_SIZE;
1460 BT_DBG("%s", hdev->name);
1462 if (!data->bulk_rx_ep)
1465 urb = usb_alloc_urb(0, mem_flags);
1469 buf = kmalloc(size, mem_flags);
1475 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
1477 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
1478 btusb_bulk_complete, hdev);
1480 urb->transfer_flags |= URB_FREE_BUFFER;
1482 usb_mark_last_busy(data->udev);
1483 usb_anchor_urb(urb, &data->bulk_anchor);
1485 err = usb_submit_urb(urb, mem_flags);
1487 if (err != -EPERM && err != -ENODEV)
1488 bt_dev_err(hdev, "urb %p submission failed (%d)",
1490 usb_unanchor_urb(urb);
1498 static void btusb_isoc_complete(struct urb *urb)
1500 struct hci_dev *hdev = urb->context;
1501 struct btusb_data *data = hci_get_drvdata(hdev);
1504 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1505 urb->actual_length);
1507 if (!test_bit(HCI_RUNNING, &hdev->flags))
1510 if (urb->status == 0) {
1511 for (i = 0; i < urb->number_of_packets; i++) {
1512 unsigned int offset = urb->iso_frame_desc[i].offset;
1513 unsigned int length = urb->iso_frame_desc[i].actual_length;
1515 if (urb->iso_frame_desc[i].status)
1518 hdev->stat.byte_rx += length;
1520 if (btusb_recv_isoc(data, urb->transfer_buffer + offset,
1522 bt_dev_err(hdev, "corrupted SCO packet");
1523 hdev->stat.err_rx++;
1526 } else if (urb->status == -ENOENT) {
1527 /* Avoid suspend failed when usb_kill_urb */
1531 if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
1534 usb_anchor_urb(urb, &data->isoc_anchor);
1536 err = usb_submit_urb(urb, GFP_ATOMIC);
1538 /* -EPERM: urb is being killed;
1539 * -ENODEV: device got disconnected
1541 if (err != -EPERM && err != -ENODEV)
1542 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
1544 usb_unanchor_urb(urb);
1548 static inline void __fill_isoc_descriptor_msbc(struct urb *urb, int len,
1549 int mtu, struct btusb_data *data)
1551 int i = 0, offset = 0;
1552 unsigned int interval;
1554 BT_DBG("len %d mtu %d", len, mtu);
1556 /* For mSBC ALT 6 settings some chips need to transmit the data
1557 * continuously without the zero length of USB packets.
1559 if (test_bit(BTUSB_ALT6_CONTINUOUS_TX, &data->flags))
1560 goto ignore_usb_alt6_packet_flow;
1562 /* For mSBC ALT 6 setting the host will send the packet at continuous
1563 * flow. As per core spec 5, vol 4, part B, table 2.1. For ALT setting
1564 * 6 the HCI PACKET INTERVAL should be 7.5ms for every usb packets.
1565 * To maintain the rate we send 63bytes of usb packets alternatively for
1566 * 7ms and 8ms to maintain the rate as 7.5ms.
1568 if (data->usb_alt6_packet_flow) {
1570 data->usb_alt6_packet_flow = false;
1573 data->usb_alt6_packet_flow = true;
1576 for (i = 0; i < interval; i++) {
1577 urb->iso_frame_desc[i].offset = offset;
1578 urb->iso_frame_desc[i].length = offset;
1581 ignore_usb_alt6_packet_flow:
1582 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
1583 urb->iso_frame_desc[i].offset = offset;
1584 urb->iso_frame_desc[i].length = len;
1588 urb->number_of_packets = i;
1591 static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
1595 BT_DBG("len %d mtu %d", len, mtu);
1597 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
1598 i++, offset += mtu, len -= mtu) {
1599 urb->iso_frame_desc[i].offset = offset;
1600 urb->iso_frame_desc[i].length = mtu;
1603 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
1604 urb->iso_frame_desc[i].offset = offset;
1605 urb->iso_frame_desc[i].length = len;
1609 urb->number_of_packets = i;
1612 static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
1614 struct btusb_data *data = hci_get_drvdata(hdev);
1620 BT_DBG("%s", hdev->name);
1622 if (!data->isoc_rx_ep)
1625 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
1629 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
1630 BTUSB_MAX_ISOC_FRAMES;
1632 buf = kmalloc(size, mem_flags);
1638 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
1640 usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
1641 hdev, data->isoc_rx_ep->bInterval);
1643 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
1645 __fill_isoc_descriptor(urb, size,
1646 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
1648 usb_anchor_urb(urb, &data->isoc_anchor);
1650 err = usb_submit_urb(urb, mem_flags);
1652 if (err != -EPERM && err != -ENODEV)
1653 bt_dev_err(hdev, "urb %p submission failed (%d)",
1655 usb_unanchor_urb(urb);
1663 static void btusb_diag_complete(struct urb *urb)
1665 struct hci_dev *hdev = urb->context;
1666 struct btusb_data *data = hci_get_drvdata(hdev);
1669 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1670 urb->actual_length);
1672 if (urb->status == 0) {
1673 struct sk_buff *skb;
1675 skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC);
1677 skb_put_data(skb, urb->transfer_buffer,
1678 urb->actual_length);
1679 hci_recv_diag(hdev, skb);
1681 } else if (urb->status == -ENOENT) {
1682 /* Avoid suspend failed when usb_kill_urb */
1686 if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags))
1689 usb_anchor_urb(urb, &data->diag_anchor);
1690 usb_mark_last_busy(data->udev);
1692 err = usb_submit_urb(urb, GFP_ATOMIC);
1694 /* -EPERM: urb is being killed;
1695 * -ENODEV: device got disconnected
1697 if (err != -EPERM && err != -ENODEV)
1698 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
1700 usb_unanchor_urb(urb);
1704 static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags)
1706 struct btusb_data *data = hci_get_drvdata(hdev);
1710 int err, size = HCI_MAX_FRAME_SIZE;
1712 BT_DBG("%s", hdev->name);
1714 if (!data->diag_rx_ep)
1717 urb = usb_alloc_urb(0, mem_flags);
1721 buf = kmalloc(size, mem_flags);
1727 pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress);
1729 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
1730 btusb_diag_complete, hdev);
1732 urb->transfer_flags |= URB_FREE_BUFFER;
1734 usb_mark_last_busy(data->udev);
1735 usb_anchor_urb(urb, &data->diag_anchor);
1737 err = usb_submit_urb(urb, mem_flags);
1739 if (err != -EPERM && err != -ENODEV)
1740 bt_dev_err(hdev, "urb %p submission failed (%d)",
1742 usb_unanchor_urb(urb);
1750 static void btusb_tx_complete(struct urb *urb)
1752 struct sk_buff *skb = urb->context;
1753 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
1754 struct btusb_data *data = hci_get_drvdata(hdev);
1755 unsigned long flags;
1757 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1758 urb->actual_length);
1760 if (!test_bit(HCI_RUNNING, &hdev->flags))
1764 hdev->stat.byte_tx += urb->transfer_buffer_length;
1766 if (hci_skb_pkt_type(skb) == HCI_COMMAND_PKT)
1767 hci_cmd_sync_cancel(hdev, -urb->status);
1768 hdev->stat.err_tx++;
1772 spin_lock_irqsave(&data->txlock, flags);
1773 data->tx_in_flight--;
1774 spin_unlock_irqrestore(&data->txlock, flags);
1776 kfree(urb->setup_packet);
1781 static void btusb_isoc_tx_complete(struct urb *urb)
1783 struct sk_buff *skb = urb->context;
1784 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
1786 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1787 urb->actual_length);
1789 if (!test_bit(HCI_RUNNING, &hdev->flags))
1793 hdev->stat.byte_tx += urb->transfer_buffer_length;
1795 hdev->stat.err_tx++;
1798 kfree(urb->setup_packet);
1803 static int btusb_open(struct hci_dev *hdev)
1805 struct btusb_data *data = hci_get_drvdata(hdev);
1808 BT_DBG("%s", hdev->name);
1810 err = usb_autopm_get_interface(data->intf);
1814 /* Patching USB firmware files prior to starting any URBs of HCI path
1815 * It is more safe to use USB bulk channel for downloading USB patch
1817 if (data->setup_on_usb) {
1818 err = data->setup_on_usb(hdev);
1823 data->intf->needs_remote_wakeup = 1;
1825 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
1828 err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
1832 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
1834 usb_kill_anchored_urbs(&data->intr_anchor);
1838 set_bit(BTUSB_BULK_RUNNING, &data->flags);
1839 btusb_submit_bulk_urb(hdev, GFP_KERNEL);
1842 if (!btusb_submit_diag_urb(hdev, GFP_KERNEL))
1843 set_bit(BTUSB_DIAG_RUNNING, &data->flags);
1847 usb_autopm_put_interface(data->intf);
1851 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
1853 usb_autopm_put_interface(data->intf);
1857 static void btusb_stop_traffic(struct btusb_data *data)
1859 usb_kill_anchored_urbs(&data->intr_anchor);
1860 usb_kill_anchored_urbs(&data->bulk_anchor);
1861 usb_kill_anchored_urbs(&data->isoc_anchor);
1862 usb_kill_anchored_urbs(&data->diag_anchor);
1863 usb_kill_anchored_urbs(&data->ctrl_anchor);
1866 static int btusb_close(struct hci_dev *hdev)
1868 struct btusb_data *data = hci_get_drvdata(hdev);
1871 BT_DBG("%s", hdev->name);
1873 cancel_delayed_work(&data->rx_work);
1874 cancel_work_sync(&data->work);
1875 cancel_work_sync(&data->waker);
1877 skb_queue_purge(&data->acl_q);
1879 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1880 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
1881 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
1882 clear_bit(BTUSB_DIAG_RUNNING, &data->flags);
1884 btusb_stop_traffic(data);
1885 btusb_free_frags(data);
1887 err = usb_autopm_get_interface(data->intf);
1891 data->intf->needs_remote_wakeup = 0;
1893 /* Enable remote wake up for auto-suspend */
1894 if (test_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags))
1895 data->intf->needs_remote_wakeup = 1;
1897 usb_autopm_put_interface(data->intf);
1900 usb_scuttle_anchored_urbs(&data->deferred);
1904 static int btusb_flush(struct hci_dev *hdev)
1906 struct btusb_data *data = hci_get_drvdata(hdev);
1908 BT_DBG("%s", hdev->name);
1910 cancel_delayed_work(&data->rx_work);
1912 skb_queue_purge(&data->acl_q);
1914 usb_kill_anchored_urbs(&data->tx_anchor);
1915 btusb_free_frags(data);
1920 static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb)
1922 struct btusb_data *data = hci_get_drvdata(hdev);
1923 struct usb_ctrlrequest *dr;
1927 urb = usb_alloc_urb(0, GFP_KERNEL);
1929 return ERR_PTR(-ENOMEM);
1931 dr = kmalloc(sizeof(*dr), GFP_KERNEL);
1934 return ERR_PTR(-ENOMEM);
1937 dr->bRequestType = data->cmdreq_type;
1938 dr->bRequest = data->cmdreq;
1941 dr->wLength = __cpu_to_le16(skb->len);
1943 pipe = usb_sndctrlpipe(data->udev, 0x00);
1945 usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
1946 skb->data, skb->len, btusb_tx_complete, skb);
1948 skb->dev = (void *)hdev;
1953 static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb)
1955 struct btusb_data *data = hci_get_drvdata(hdev);
1959 if (!data->bulk_tx_ep)
1960 return ERR_PTR(-ENODEV);
1962 urb = usb_alloc_urb(0, GFP_KERNEL);
1964 return ERR_PTR(-ENOMEM);
1966 pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress);
1968 usb_fill_bulk_urb(urb, data->udev, pipe,
1969 skb->data, skb->len, btusb_tx_complete, skb);
1971 skb->dev = (void *)hdev;
1976 static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb)
1978 struct btusb_data *data = hci_get_drvdata(hdev);
1982 if (!data->isoc_tx_ep)
1983 return ERR_PTR(-ENODEV);
1985 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL);
1987 return ERR_PTR(-ENOMEM);
1989 pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress);
1991 usb_fill_int_urb(urb, data->udev, pipe,
1992 skb->data, skb->len, btusb_isoc_tx_complete,
1993 skb, data->isoc_tx_ep->bInterval);
1995 urb->transfer_flags = URB_ISO_ASAP;
1997 if (data->isoc_altsetting == 6)
1998 __fill_isoc_descriptor_msbc(urb, skb->len,
1999 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize),
2002 __fill_isoc_descriptor(urb, skb->len,
2003 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
2004 skb->dev = (void *)hdev;
2009 static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb)
2011 struct btusb_data *data = hci_get_drvdata(hdev);
2014 usb_anchor_urb(urb, &data->tx_anchor);
2016 err = usb_submit_urb(urb, GFP_KERNEL);
2018 if (err != -EPERM && err != -ENODEV)
2019 bt_dev_err(hdev, "urb %p submission failed (%d)",
2021 kfree(urb->setup_packet);
2022 usb_unanchor_urb(urb);
2024 usb_mark_last_busy(data->udev);
2031 static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb)
2033 struct btusb_data *data = hci_get_drvdata(hdev);
2034 unsigned long flags;
2037 spin_lock_irqsave(&data->txlock, flags);
2038 suspending = test_bit(BTUSB_SUSPENDING, &data->flags);
2040 data->tx_in_flight++;
2041 spin_unlock_irqrestore(&data->txlock, flags);
2044 return submit_tx_urb(hdev, urb);
2046 usb_anchor_urb(urb, &data->deferred);
2047 schedule_work(&data->waker);
2053 static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
2057 BT_DBG("%s", hdev->name);
2059 switch (hci_skb_pkt_type(skb)) {
2060 case HCI_COMMAND_PKT:
2061 urb = alloc_ctrl_urb(hdev, skb);
2063 return PTR_ERR(urb);
2065 hdev->stat.cmd_tx++;
2066 return submit_or_queue_tx_urb(hdev, urb);
2068 case HCI_ACLDATA_PKT:
2069 urb = alloc_bulk_urb(hdev, skb);
2071 return PTR_ERR(urb);
2073 hdev->stat.acl_tx++;
2074 return submit_or_queue_tx_urb(hdev, urb);
2076 case HCI_SCODATA_PKT:
2077 if (hci_conn_num(hdev, SCO_LINK) < 1)
2080 urb = alloc_isoc_urb(hdev, skb);
2082 return PTR_ERR(urb);
2084 hdev->stat.sco_tx++;
2085 return submit_tx_urb(hdev, urb);
2087 case HCI_ISODATA_PKT:
2088 urb = alloc_bulk_urb(hdev, skb);
2090 return PTR_ERR(urb);
2092 return submit_or_queue_tx_urb(hdev, urb);
2098 static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
2100 struct btusb_data *data = hci_get_drvdata(hdev);
2102 BT_DBG("%s evt %d", hdev->name, evt);
2104 if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) {
2105 data->sco_num = hci_conn_num(hdev, SCO_LINK);
2106 data->air_mode = evt;
2107 schedule_work(&data->work);
2111 static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
2113 struct btusb_data *data = hci_get_drvdata(hdev);
2114 struct usb_interface *intf = data->isoc;
2115 struct usb_endpoint_descriptor *ep_desc;
2121 err = usb_set_interface(data->udev, data->isoc_ifnum, altsetting);
2123 bt_dev_err(hdev, "setting interface failed (%d)", -err);
2127 data->isoc_altsetting = altsetting;
2129 data->isoc_tx_ep = NULL;
2130 data->isoc_rx_ep = NULL;
2132 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
2133 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
2135 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
2136 data->isoc_tx_ep = ep_desc;
2140 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
2141 data->isoc_rx_ep = ep_desc;
2146 if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
2147 bt_dev_err(hdev, "invalid SCO descriptors");
2154 static int btusb_switch_alt_setting(struct hci_dev *hdev, int new_alts)
2156 struct btusb_data *data = hci_get_drvdata(hdev);
2159 if (data->isoc_altsetting != new_alts) {
2160 unsigned long flags;
2162 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
2163 usb_kill_anchored_urbs(&data->isoc_anchor);
2165 /* When isochronous alternate setting needs to be
2166 * changed, because SCO connection has been added
2167 * or removed, a packet fragment may be left in the
2168 * reassembling state. This could lead to wrongly
2169 * assembled fragments.
2171 * Clear outstanding fragment when selecting a new
2172 * alternate setting.
2174 spin_lock_irqsave(&data->rxlock, flags);
2175 dev_kfree_skb_irq(data->sco_skb);
2176 data->sco_skb = NULL;
2177 spin_unlock_irqrestore(&data->rxlock, flags);
2179 err = __set_isoc_interface(hdev, new_alts);
2184 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
2185 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
2186 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
2188 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
2194 static struct usb_host_interface *btusb_find_altsetting(struct btusb_data *data,
2197 struct usb_interface *intf = data->isoc;
2200 BT_DBG("Looking for Alt no :%d", alt);
2205 for (i = 0; i < intf->num_altsetting; i++) {
2206 if (intf->altsetting[i].desc.bAlternateSetting == alt)
2207 return &intf->altsetting[i];
2213 static void btusb_work(struct work_struct *work)
2215 struct btusb_data *data = container_of(work, struct btusb_data, work);
2216 struct hci_dev *hdev = data->hdev;
2220 if (data->sco_num > 0) {
2221 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
2222 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
2224 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
2225 usb_kill_anchored_urbs(&data->isoc_anchor);
2229 set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
2232 if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_CVSD) {
2233 if (hdev->voice_setting & 0x0020) {
2234 static const int alts[3] = { 2, 4, 5 };
2236 new_alts = alts[data->sco_num - 1];
2238 new_alts = data->sco_num;
2240 } else if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_TRANSP) {
2241 /* Bluetooth USB spec recommends alt 6 (63 bytes), but
2242 * many adapters do not support it. Alt 1 appears to
2243 * work for all adapters that do not have alt 6, and
2244 * which work with WBS at all. Some devices prefer
2245 * alt 3 (HCI payload >= 60 Bytes let air packet
2246 * data satisfy 60 bytes), requiring
2247 * MTU >= 3 (packets) * 25 (size) - 3 (headers) = 72
2248 * see also Core spec 5, vol 4, B 2.1.1 & Table 2.1.
2250 if (btusb_find_altsetting(data, 6))
2252 else if (btusb_find_altsetting(data, 3) &&
2253 hdev->sco_mtu >= 72 &&
2254 test_bit(BTUSB_USE_ALT3_FOR_WBS, &data->flags))
2260 if (btusb_switch_alt_setting(hdev, new_alts) < 0)
2261 bt_dev_err(hdev, "set USB alt:(%d) failed!", new_alts);
2263 usb_kill_anchored_urbs(&data->isoc_anchor);
2265 if (test_and_clear_bit(BTUSB_ISOC_RUNNING, &data->flags))
2266 __set_isoc_interface(hdev, 0);
2268 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
2269 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
2273 static void btusb_waker(struct work_struct *work)
2275 struct btusb_data *data = container_of(work, struct btusb_data, waker);
2278 err = usb_autopm_get_interface(data->intf);
2282 usb_autopm_put_interface(data->intf);
2285 static void btusb_rx_work(struct work_struct *work)
2287 struct btusb_data *data = container_of(work, struct btusb_data,
2289 struct sk_buff *skb;
2291 /* Dequeue ACL data received during the interval */
2292 while ((skb = skb_dequeue(&data->acl_q)))
2293 data->recv_acl(data->hdev, skb);
2296 static int btusb_setup_bcm92035(struct hci_dev *hdev)
2298 struct sk_buff *skb;
2301 BT_DBG("%s", hdev->name);
2303 skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT);
2305 bt_dev_err(hdev, "BCM92035 command failed (%ld)", PTR_ERR(skb));
2312 static int btusb_setup_csr(struct hci_dev *hdev)
2314 struct btusb_data *data = hci_get_drvdata(hdev);
2315 u16 bcdDevice = le16_to_cpu(data->udev->descriptor.bcdDevice);
2316 struct hci_rp_read_local_version *rp;
2317 struct sk_buff *skb;
2318 bool is_fake = false;
2321 BT_DBG("%s", hdev->name);
2323 skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
2326 int err = PTR_ERR(skb);
2327 bt_dev_err(hdev, "CSR: Local version failed (%d)", err);
2331 rp = skb_pull_data(skb, sizeof(*rp));
2333 bt_dev_err(hdev, "CSR: Local version length mismatch");
2338 bt_dev_info(hdev, "CSR: Setting up dongle with HCI ver=%u rev=%04x",
2339 rp->hci_ver, le16_to_cpu(rp->hci_rev));
2341 bt_dev_info(hdev, "LMP ver=%u subver=%04x; manufacturer=%u",
2342 rp->lmp_ver, le16_to_cpu(rp->lmp_subver),
2343 le16_to_cpu(rp->manufacturer));
2345 /* Detect a wide host of Chinese controllers that aren't CSR.
2347 * Known fake bcdDevices: 0x0100, 0x0134, 0x1915, 0x2520, 0x7558, 0x8891
2349 * The main thing they have in common is that these are really popular low-cost
2350 * options that support newer Bluetooth versions but rely on heavy VID/PID
2351 * squatting of this poor old Bluetooth 1.1 device. Even sold as such.
2353 * We detect actual CSR devices by checking that the HCI manufacturer code
2354 * is Cambridge Silicon Radio (10) and ensuring that LMP sub-version and
2355 * HCI rev values always match. As they both store the firmware number.
2357 if (le16_to_cpu(rp->manufacturer) != 10 ||
2358 le16_to_cpu(rp->hci_rev) != le16_to_cpu(rp->lmp_subver))
2361 /* Known legit CSR firmware build numbers and their supported BT versions:
2362 * - 1.1 (0x1) -> 0x0073, 0x020d, 0x033c, 0x034e
2363 * - 1.2 (0x2) -> 0x04d9, 0x0529
2364 * - 2.0 (0x3) -> 0x07a6, 0x07ad, 0x0c5c
2365 * - 2.1 (0x4) -> 0x149c, 0x1735, 0x1899 (0x1899 is a BlueCore4-External)
2366 * - 4.0 (0x6) -> 0x1d86, 0x2031, 0x22bb
2368 * e.g. Real CSR dongles with LMP subversion 0x73 are old enough that
2369 * support BT 1.1 only; so it's a dead giveaway when some
2370 * third-party BT 4.0 dongle reuses it.
2372 else if (le16_to_cpu(rp->lmp_subver) <= 0x034e &&
2373 rp->hci_ver > BLUETOOTH_VER_1_1)
2376 else if (le16_to_cpu(rp->lmp_subver) <= 0x0529 &&
2377 rp->hci_ver > BLUETOOTH_VER_1_2)
2380 else if (le16_to_cpu(rp->lmp_subver) <= 0x0c5c &&
2381 rp->hci_ver > BLUETOOTH_VER_2_0)
2384 else if (le16_to_cpu(rp->lmp_subver) <= 0x1899 &&
2385 rp->hci_ver > BLUETOOTH_VER_2_1)
2388 else if (le16_to_cpu(rp->lmp_subver) <= 0x22bb &&
2389 rp->hci_ver > BLUETOOTH_VER_4_0)
2392 /* Other clones which beat all the above checks */
2393 else if (bcdDevice == 0x0134 &&
2394 le16_to_cpu(rp->lmp_subver) == 0x0c5c &&
2395 rp->hci_ver == BLUETOOTH_VER_2_0)
2399 bt_dev_warn(hdev, "CSR: Unbranded CSR clone detected; adding workarounds and force-suspending once...");
2401 /* Generally these clones have big discrepancies between
2402 * advertised features and what's actually supported.
2403 * Probably will need to be expanded in the future;
2404 * without these the controller will lock up.
2406 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
2407 set_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks);
2408 set_bit(HCI_QUIRK_BROKEN_FILTER_CLEAR_ALL, &hdev->quirks);
2409 set_bit(HCI_QUIRK_NO_SUSPEND_NOTIFIER, &hdev->quirks);
2411 /* Clear the reset quirk since this is not an actual
2412 * early Bluetooth 1.1 device from CSR.
2414 clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
2415 clear_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
2418 * Special workaround for these BT 4.0 chip clones, and potentially more:
2420 * - 0x0134: a Barrot 8041a02 (HCI rev: 0x0810 sub: 0x1012)
2421 * - 0x7558: IC markings FR3191AHAL 749H15143 (HCI rev/sub-version: 0x0709)
2423 * These controllers are really messed-up.
2425 * 1. Their bulk RX endpoint will never report any data unless
2426 * the device was suspended at least once (yes, really).
2427 * 2. They will not wakeup when autosuspended and receiving data
2428 * on their bulk RX endpoint from e.g. a keyboard or mouse
2429 * (IOW remote-wakeup support is broken for the bulk endpoint).
2431 * To fix 1. enable runtime-suspend, force-suspend the
2432 * HCI and then wake-it up by disabling runtime-suspend.
2434 * To fix 2. clear the HCI's can_wake flag, this way the HCI
2435 * will still be autosuspended when it is not open.
2439 * Because these are widespread problems we prefer generic solutions; so
2440 * apply this initialization quirk to every controller that gets here,
2441 * it should be harmless. The alternative is to not work at all.
2443 pm_runtime_allow(&data->udev->dev);
2445 ret = pm_runtime_suspend(&data->udev->dev);
2449 bt_dev_warn(hdev, "CSR: Couldn't suspend the device for our Barrot 8041a02 receive-issue workaround");
2451 pm_runtime_forbid(&data->udev->dev);
2453 device_set_wakeup_capable(&data->udev->dev, false);
2455 /* Re-enable autosuspend if this was requested */
2456 if (enable_autosuspend)
2457 usb_enable_autosuspend(data->udev);
2465 static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode)
2467 struct sk_buff *skb;
2468 struct hci_event_hdr *hdr;
2469 struct hci_ev_cmd_complete *evt;
2471 skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL);
2475 hdr = skb_put(skb, sizeof(*hdr));
2476 hdr->evt = HCI_EV_CMD_COMPLETE;
2477 hdr->plen = sizeof(*evt) + 1;
2479 evt = skb_put(skb, sizeof(*evt));
2481 evt->opcode = cpu_to_le16(opcode);
2483 skb_put_u8(skb, 0x00);
2485 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
2487 return hci_recv_frame(hdev, skb);
2490 static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer,
2493 struct hci_dev *hdev = data->hdev;
2495 /* When the device is in bootloader mode, then it can send
2496 * events via the bulk endpoint. These events are treated the
2497 * same way as the ones received from the interrupt endpoint.
2499 if (btintel_test_flag(hdev, INTEL_BOOTLOADER))
2500 return btusb_recv_intr(data, buffer, count);
2502 return btusb_recv_bulk(data, buffer, count);
2505 static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
2509 BT_DBG("%s", hdev->name);
2511 switch (hci_skb_pkt_type(skb)) {
2512 case HCI_COMMAND_PKT:
2513 if (btintel_test_flag(hdev, INTEL_BOOTLOADER)) {
2514 struct hci_command_hdr *cmd = (void *)skb->data;
2515 __u16 opcode = le16_to_cpu(cmd->opcode);
2517 /* When in bootloader mode and the command 0xfc09
2518 * is received, it needs to be send down the
2519 * bulk endpoint. So allocate a bulk URB instead.
2521 if (opcode == 0xfc09)
2522 urb = alloc_bulk_urb(hdev, skb);
2524 urb = alloc_ctrl_urb(hdev, skb);
2526 /* When the 0xfc01 command is issued to boot into
2527 * the operational firmware, it will actually not
2528 * send a command complete event. To keep the flow
2529 * control working inject that event here.
2531 if (opcode == 0xfc01)
2532 inject_cmd_complete(hdev, opcode);
2534 urb = alloc_ctrl_urb(hdev, skb);
2537 return PTR_ERR(urb);
2539 hdev->stat.cmd_tx++;
2540 return submit_or_queue_tx_urb(hdev, urb);
2542 case HCI_ACLDATA_PKT:
2543 urb = alloc_bulk_urb(hdev, skb);
2545 return PTR_ERR(urb);
2547 hdev->stat.acl_tx++;
2548 return submit_or_queue_tx_urb(hdev, urb);
2550 case HCI_SCODATA_PKT:
2551 if (hci_conn_num(hdev, SCO_LINK) < 1)
2554 urb = alloc_isoc_urb(hdev, skb);
2556 return PTR_ERR(urb);
2558 hdev->stat.sco_tx++;
2559 return submit_tx_urb(hdev, urb);
2561 case HCI_ISODATA_PKT:
2562 urb = alloc_bulk_urb(hdev, skb);
2564 return PTR_ERR(urb);
2566 return submit_or_queue_tx_urb(hdev, urb);
2572 static int btusb_setup_realtek(struct hci_dev *hdev)
2574 struct btusb_data *data = hci_get_drvdata(hdev);
2577 ret = btrtl_setup_realtek(hdev);
2579 if (btrealtek_test_flag(data->hdev, REALTEK_ALT6_CONTINUOUS_TX_CHIP))
2580 set_bit(BTUSB_ALT6_CONTINUOUS_TX, &data->flags);
2585 static int btusb_recv_event_realtek(struct hci_dev *hdev, struct sk_buff *skb)
2587 if (skb->data[0] == HCI_VENDOR_PKT && skb->data[2] == RTK_SUB_EVENT_CODE_COREDUMP) {
2588 struct rtk_dev_coredump_hdr hdr = {
2589 .code = RTK_DEVCOREDUMP_CODE_MEMDUMP,
2592 bt_dev_dbg(hdev, "RTL: received coredump vendor evt, len %u",
2595 btusb_rtl_alloc_devcoredump(hdev, &hdr, skb->data, skb->len);
2601 return hci_recv_frame(hdev, skb);
2604 /* UHW CR mapping */
2605 #define MTK_BT_MISC 0x70002510
2606 #define MTK_BT_SUBSYS_RST 0x70002610
2607 #define MTK_UDMA_INT_STA_BT 0x74000024
2608 #define MTK_UDMA_INT_STA_BT1 0x74000308
2609 #define MTK_BT_WDT_STATUS 0x740003A0
2610 #define MTK_EP_RST_OPT 0x74011890
2611 #define MTK_EP_RST_IN_OUT_OPT 0x00010001
2612 #define MTK_BT_RST_DONE 0x00000100
2613 #define MTK_BT_RESET_REG_CONNV3 0x70028610
2614 #define MTK_BT_READ_DEV_ID 0x70010200
2617 static void btusb_mtk_wmt_recv(struct urb *urb)
2619 struct hci_dev *hdev = urb->context;
2620 struct btusb_data *data = hci_get_drvdata(hdev);
2621 struct sk_buff *skb;
2624 if (urb->status == 0 && urb->actual_length > 0) {
2625 hdev->stat.byte_rx += urb->actual_length;
2627 /* WMT event shouldn't be fragmented and the size should be
2628 * less than HCI_WMT_MAX_EVENT_SIZE.
2630 skb = bt_skb_alloc(HCI_WMT_MAX_EVENT_SIZE, GFP_ATOMIC);
2632 hdev->stat.err_rx++;
2633 kfree(urb->setup_packet);
2637 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
2638 skb_put_data(skb, urb->transfer_buffer, urb->actual_length);
2640 /* When someone waits for the WMT event, the skb is being cloned
2641 * and being processed the events from there then.
2643 if (test_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags)) {
2644 data->evt_skb = skb_clone(skb, GFP_ATOMIC);
2645 if (!data->evt_skb) {
2647 kfree(urb->setup_packet);
2652 err = hci_recv_frame(hdev, skb);
2654 kfree_skb(data->evt_skb);
2655 data->evt_skb = NULL;
2656 kfree(urb->setup_packet);
2660 if (test_and_clear_bit(BTUSB_TX_WAIT_VND_EVT,
2662 /* Barrier to sync with other CPUs */
2663 smp_mb__after_atomic();
2664 wake_up_bit(&data->flags,
2665 BTUSB_TX_WAIT_VND_EVT);
2667 kfree(urb->setup_packet);
2669 } else if (urb->status == -ENOENT) {
2670 /* Avoid suspend failed when usb_kill_urb */
2674 usb_mark_last_busy(data->udev);
2676 /* The URB complete handler is still called with urb->actual_length = 0
2677 * when the event is not available, so we should keep re-submitting
2678 * URB until WMT event returns, Also, It's necessary to wait some time
2679 * between the two consecutive control URBs to relax the target device
2680 * to generate the event. Otherwise, the WMT event cannot return from
2681 * the device successfully.
2685 usb_anchor_urb(urb, &data->ctrl_anchor);
2686 err = usb_submit_urb(urb, GFP_ATOMIC);
2688 kfree(urb->setup_packet);
2689 /* -EPERM: urb is being killed;
2690 * -ENODEV: device got disconnected
2692 if (err != -EPERM && err != -ENODEV)
2693 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
2695 usb_unanchor_urb(urb);
2699 static int btusb_mtk_submit_wmt_recv_urb(struct hci_dev *hdev)
2701 struct btusb_data *data = hci_get_drvdata(hdev);
2702 struct usb_ctrlrequest *dr;
2708 urb = usb_alloc_urb(0, GFP_KERNEL);
2712 dr = kmalloc(sizeof(*dr), GFP_KERNEL);
2718 dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_IN;
2720 dr->wIndex = cpu_to_le16(0);
2721 dr->wValue = cpu_to_le16(48);
2722 dr->wLength = cpu_to_le16(size);
2724 buf = kmalloc(size, GFP_KERNEL);
2731 pipe = usb_rcvctrlpipe(data->udev, 0);
2733 usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
2734 buf, size, btusb_mtk_wmt_recv, hdev);
2736 urb->transfer_flags |= URB_FREE_BUFFER;
2738 usb_anchor_urb(urb, &data->ctrl_anchor);
2739 err = usb_submit_urb(urb, GFP_KERNEL);
2741 if (err != -EPERM && err != -ENODEV)
2742 bt_dev_err(hdev, "urb %p submission failed (%d)",
2744 usb_unanchor_urb(urb);
2752 static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev,
2753 struct btmtk_hci_wmt_params *wmt_params)
2755 struct btusb_data *data = hci_get_drvdata(hdev);
2756 struct btmtk_hci_wmt_evt_funcc *wmt_evt_funcc;
2757 u32 hlen, status = BTMTK_WMT_INVALID;
2758 struct btmtk_hci_wmt_evt *wmt_evt;
2759 struct btmtk_hci_wmt_cmd *wc;
2760 struct btmtk_wmt_hdr *hdr;
2763 /* Send the WMT command and wait until the WMT event returns */
2764 hlen = sizeof(*hdr) + wmt_params->dlen;
2768 wc = kzalloc(hlen, GFP_KERNEL);
2774 hdr->op = wmt_params->op;
2775 hdr->dlen = cpu_to_le16(wmt_params->dlen + 1);
2776 hdr->flag = wmt_params->flag;
2777 memcpy(wc->data, wmt_params->data, wmt_params->dlen);
2779 set_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
2781 /* WMT cmd/event doesn't follow up the generic HCI cmd/event handling,
2782 * it needs constantly polling control pipe until the host received the
2783 * WMT event, thus, we should require to specifically acquire PM counter
2784 * on the USB to prevent the interface from entering auto suspended
2785 * while WMT cmd/event in progress.
2787 err = usb_autopm_get_interface(data->intf);
2791 err = __hci_cmd_send(hdev, 0xfc6f, hlen, wc);
2794 clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
2795 usb_autopm_put_interface(data->intf);
2799 /* Submit control IN URB on demand to process the WMT event */
2800 err = btusb_mtk_submit_wmt_recv_urb(hdev);
2802 usb_autopm_put_interface(data->intf);
2807 /* The vendor specific WMT commands are all answered by a vendor
2808 * specific event and will have the Command Status or Command
2809 * Complete as with usual HCI command flow control.
2811 * After sending the command, wait for BTUSB_TX_WAIT_VND_EVT
2812 * state to be cleared. The driver specific event receive routine
2813 * will clear that state and with that indicate completion of the
2816 err = wait_on_bit_timeout(&data->flags, BTUSB_TX_WAIT_VND_EVT,
2817 TASK_INTERRUPTIBLE, HCI_INIT_TIMEOUT);
2818 if (err == -EINTR) {
2819 bt_dev_err(hdev, "Execution of wmt command interrupted");
2820 clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
2825 bt_dev_err(hdev, "Execution of wmt command timed out");
2826 clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
2831 if (data->evt_skb == NULL)
2834 /* Parse and handle the return WMT event */
2835 wmt_evt = (struct btmtk_hci_wmt_evt *)data->evt_skb->data;
2836 if (wmt_evt->whdr.op != hdr->op) {
2837 bt_dev_err(hdev, "Wrong op received %d expected %d",
2838 wmt_evt->whdr.op, hdr->op);
2843 switch (wmt_evt->whdr.op) {
2844 case BTMTK_WMT_SEMAPHORE:
2845 if (wmt_evt->whdr.flag == 2)
2846 status = BTMTK_WMT_PATCH_UNDONE;
2848 status = BTMTK_WMT_PATCH_DONE;
2850 case BTMTK_WMT_FUNC_CTRL:
2851 wmt_evt_funcc = (struct btmtk_hci_wmt_evt_funcc *)wmt_evt;
2852 if (be16_to_cpu(wmt_evt_funcc->status) == 0x404)
2853 status = BTMTK_WMT_ON_DONE;
2854 else if (be16_to_cpu(wmt_evt_funcc->status) == 0x420)
2855 status = BTMTK_WMT_ON_PROGRESS;
2857 status = BTMTK_WMT_ON_UNDONE;
2859 case BTMTK_WMT_PATCH_DWNLD:
2860 if (wmt_evt->whdr.flag == 2)
2861 status = BTMTK_WMT_PATCH_DONE;
2862 else if (wmt_evt->whdr.flag == 1)
2863 status = BTMTK_WMT_PATCH_PROGRESS;
2865 status = BTMTK_WMT_PATCH_UNDONE;
2869 if (wmt_params->status)
2870 *wmt_params->status = status;
2873 kfree_skb(data->evt_skb);
2874 data->evt_skb = NULL;
2880 static int btusb_mtk_func_query(struct hci_dev *hdev)
2882 struct btmtk_hci_wmt_params wmt_params;
2886 /* Query whether the function is enabled */
2887 wmt_params.op = BTMTK_WMT_FUNC_CTRL;
2888 wmt_params.flag = 4;
2889 wmt_params.dlen = sizeof(param);
2890 wmt_params.data = ¶m;
2891 wmt_params.status = &status;
2893 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
2895 bt_dev_err(hdev, "Failed to query function status (%d)", err);
2902 static int btusb_mtk_uhw_reg_write(struct btusb_data *data, u32 reg, u32 val)
2904 struct hci_dev *hdev = data->hdev;
2908 buf = kzalloc(4, GFP_KERNEL);
2912 put_unaligned_le32(val, buf);
2914 pipe = usb_sndctrlpipe(data->udev, 0);
2915 err = usb_control_msg(data->udev, pipe, 0x02,
2917 reg >> 16, reg & 0xffff,
2918 buf, 4, USB_CTRL_SET_TIMEOUT);
2920 bt_dev_err(hdev, "Failed to write uhw reg(%d)", err);
2930 static int btusb_mtk_uhw_reg_read(struct btusb_data *data, u32 reg, u32 *val)
2932 struct hci_dev *hdev = data->hdev;
2936 buf = kzalloc(4, GFP_KERNEL);
2940 pipe = usb_rcvctrlpipe(data->udev, 0);
2941 err = usb_control_msg(data->udev, pipe, 0x01,
2943 reg >> 16, reg & 0xffff,
2944 buf, 4, USB_CTRL_SET_TIMEOUT);
2946 bt_dev_err(hdev, "Failed to read uhw reg(%d)", err);
2950 *val = get_unaligned_le32(buf);
2951 bt_dev_dbg(hdev, "reg=%x, value=0x%08x", reg, *val);
2959 static int btusb_mtk_reg_read(struct btusb_data *data, u32 reg, u32 *val)
2961 int pipe, err, size = sizeof(u32);
2964 buf = kzalloc(size, GFP_KERNEL);
2968 pipe = usb_rcvctrlpipe(data->udev, 0);
2969 err = usb_control_msg(data->udev, pipe, 0x63,
2970 USB_TYPE_VENDOR | USB_DIR_IN,
2971 reg >> 16, reg & 0xffff,
2972 buf, size, USB_CTRL_SET_TIMEOUT);
2976 *val = get_unaligned_le32(buf);
2984 static int btusb_mtk_id_get(struct btusb_data *data, u32 reg, u32 *id)
2986 return btusb_mtk_reg_read(data, reg, id);
2989 static u32 btusb_mtk_reset_done(struct hci_dev *hdev)
2991 struct btusb_data *data = hci_get_drvdata(hdev);
2994 btusb_mtk_uhw_reg_read(data, MTK_BT_MISC, &val);
2996 return val & MTK_BT_RST_DONE;
2999 static int btusb_mtk_reset(struct hci_dev *hdev, void *rst_data)
3001 struct btusb_data *data = hci_get_drvdata(hdev);
3002 struct btmediatek_data *mediatek;
3006 /* It's MediaTek specific bluetooth reset mechanism via USB */
3007 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
3008 bt_dev_err(hdev, "last reset failed? Not resetting again");
3012 err = usb_autopm_get_interface(data->intf);
3016 btusb_stop_traffic(data);
3017 usb_kill_anchored_urbs(&data->tx_anchor);
3018 mediatek = hci_get_priv(hdev);
3020 if (mediatek->dev_id == 0x7925) {
3021 btusb_mtk_uhw_reg_read(data, MTK_BT_RESET_REG_CONNV3, &val);
3023 btusb_mtk_uhw_reg_write(data, MTK_BT_RESET_REG_CONNV3, val);
3024 btusb_mtk_uhw_reg_read(data, MTK_BT_RESET_REG_CONNV3, &val);
3027 btusb_mtk_uhw_reg_write(data, MTK_BT_RESET_REG_CONNV3, val);
3028 btusb_mtk_uhw_reg_write(data, MTK_EP_RST_OPT, 0x00010001);
3029 btusb_mtk_uhw_reg_read(data, MTK_BT_RESET_REG_CONNV3, &val);
3031 btusb_mtk_uhw_reg_write(data, MTK_BT_RESET_REG_CONNV3, val);
3032 btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT, 0x000000FF);
3033 btusb_mtk_uhw_reg_read(data, MTK_UDMA_INT_STA_BT, &val);
3034 btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT1, 0x000000FF);
3035 btusb_mtk_uhw_reg_read(data, MTK_UDMA_INT_STA_BT1, &val);
3038 /* It's Device EndPoint Reset Option Register */
3039 bt_dev_dbg(hdev, "Initiating reset mechanism via uhw");
3040 btusb_mtk_uhw_reg_write(data, MTK_EP_RST_OPT, MTK_EP_RST_IN_OUT_OPT);
3041 btusb_mtk_uhw_reg_read(data, MTK_BT_WDT_STATUS, &val);
3043 /* Reset the bluetooth chip via USB interface. */
3044 btusb_mtk_uhw_reg_write(data, MTK_BT_SUBSYS_RST, 1);
3045 btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT, 0x000000FF);
3046 btusb_mtk_uhw_reg_read(data, MTK_UDMA_INT_STA_BT, &val);
3047 btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT1, 0x000000FF);
3048 btusb_mtk_uhw_reg_read(data, MTK_UDMA_INT_STA_BT1, &val);
3049 /* MT7921 need to delay 20ms between toggle reset bit */
3051 btusb_mtk_uhw_reg_write(data, MTK_BT_SUBSYS_RST, 0);
3052 btusb_mtk_uhw_reg_read(data, MTK_BT_SUBSYS_RST, &val);
3055 err = readx_poll_timeout(btusb_mtk_reset_done, hdev, val,
3056 val & MTK_BT_RST_DONE, 20000, 1000000);
3058 bt_dev_err(hdev, "Reset timeout");
3060 btusb_mtk_id_get(data, 0x70010200, &val);
3062 bt_dev_err(hdev, "Can't get device id, subsys reset fail.");
3064 usb_queue_reset_device(data->intf);
3066 clear_bit(BTUSB_HW_RESET_ACTIVE, &data->flags);
3071 static int btusb_mtk_setup(struct hci_dev *hdev)
3073 struct btusb_data *data = hci_get_drvdata(hdev);
3074 struct btmtk_hci_wmt_params wmt_params;
3075 ktime_t calltime, delta, rettime;
3076 struct btmtk_tci_sleep tci_sleep;
3077 unsigned long long duration;
3078 struct sk_buff *skb;
3082 char fw_bin_name[64];
3085 struct btmediatek_data *mediatek;
3087 calltime = ktime_get();
3089 err = btusb_mtk_id_get(data, 0x80000008, &dev_id);
3091 bt_dev_err(hdev, "Failed to get device id (%d)", err);
3095 if (!dev_id || dev_id != 0x7663) {
3096 err = btusb_mtk_id_get(data, 0x70010200, &dev_id);
3098 bt_dev_err(hdev, "Failed to get device id (%d)", err);
3101 err = btusb_mtk_id_get(data, 0x80021004, &fw_version);
3103 bt_dev_err(hdev, "Failed to get fw version (%d)", err);
3108 mediatek = hci_get_priv(hdev);
3109 mediatek->dev_id = dev_id;
3110 mediatek->reset_sync = btusb_mtk_reset;
3112 err = btmtk_register_coredump(hdev, btusb_driver.name, fw_version);
3114 bt_dev_err(hdev, "Failed to register coredump (%d)", err);
3118 fwname = FIRMWARE_MT7663;
3121 fwname = FIRMWARE_MT7668;
3126 if (dev_id == 0x7925)
3127 snprintf(fw_bin_name, sizeof(fw_bin_name),
3129 dev_id & 0xffff, dev_id & 0xffff, (fw_version & 0xff) + 1);
3131 snprintf(fw_bin_name, sizeof(fw_bin_name),
3133 dev_id & 0xffff, (fw_version & 0xff) + 1);
3135 err = btmtk_setup_firmware_79xx(hdev, fw_bin_name,
3136 btusb_mtk_hci_wmt_sync);
3138 bt_dev_err(hdev, "Failed to set up firmware (%d)", err);
3142 /* It's Device EndPoint Reset Option Register */
3143 btusb_mtk_uhw_reg_write(data, MTK_EP_RST_OPT, MTK_EP_RST_IN_OUT_OPT);
3145 /* Enable Bluetooth protocol */
3147 wmt_params.op = BTMTK_WMT_FUNC_CTRL;
3148 wmt_params.flag = 0;
3149 wmt_params.dlen = sizeof(param);
3150 wmt_params.data = ¶m;
3151 wmt_params.status = NULL;
3153 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
3155 bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
3159 hci_set_msft_opcode(hdev, 0xFD30);
3160 hci_set_aosp_capable(hdev);
3163 bt_dev_err(hdev, "Unsupported hardware variant (%08x)",
3168 /* Query whether the firmware is already download */
3169 wmt_params.op = BTMTK_WMT_SEMAPHORE;
3170 wmt_params.flag = 1;
3171 wmt_params.dlen = 0;
3172 wmt_params.data = NULL;
3173 wmt_params.status = &status;
3175 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
3177 bt_dev_err(hdev, "Failed to query firmware status (%d)", err);
3181 if (status == BTMTK_WMT_PATCH_DONE) {
3182 bt_dev_info(hdev, "firmware already downloaded");
3183 goto ignore_setup_fw;
3186 /* Setup a firmware which the device definitely requires */
3187 err = btmtk_setup_firmware(hdev, fwname,
3188 btusb_mtk_hci_wmt_sync);
3193 err = readx_poll_timeout(btusb_mtk_func_query, hdev, status,
3194 status < 0 || status != BTMTK_WMT_ON_PROGRESS,
3196 /* -ETIMEDOUT happens */
3200 /* The other errors happen in btusb_mtk_func_query */
3204 if (status == BTMTK_WMT_ON_DONE) {
3205 bt_dev_info(hdev, "function already on");
3206 goto ignore_func_on;
3209 /* Enable Bluetooth protocol */
3211 wmt_params.op = BTMTK_WMT_FUNC_CTRL;
3212 wmt_params.flag = 0;
3213 wmt_params.dlen = sizeof(param);
3214 wmt_params.data = ¶m;
3215 wmt_params.status = NULL;
3217 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
3219 bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
3224 /* Apply the low power environment setup */
3225 tci_sleep.mode = 0x5;
3226 tci_sleep.duration = cpu_to_le16(0x640);
3227 tci_sleep.host_duration = cpu_to_le16(0x640);
3228 tci_sleep.host_wakeup_pin = 0;
3229 tci_sleep.time_compensation = 0;
3231 skb = __hci_cmd_sync(hdev, 0xfc7a, sizeof(tci_sleep), &tci_sleep,
3235 bt_dev_err(hdev, "Failed to apply low power setting (%d)", err);
3241 rettime = ktime_get();
3242 delta = ktime_sub(rettime, calltime);
3243 duration = (unsigned long long)ktime_to_ns(delta) >> 10;
3245 bt_dev_info(hdev, "Device setup in %llu usecs", duration);
3250 static int btusb_mtk_shutdown(struct hci_dev *hdev)
3252 struct btmtk_hci_wmt_params wmt_params;
3256 /* Disable the device */
3257 wmt_params.op = BTMTK_WMT_FUNC_CTRL;
3258 wmt_params.flag = 0;
3259 wmt_params.dlen = sizeof(param);
3260 wmt_params.data = ¶m;
3261 wmt_params.status = NULL;
3263 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
3265 bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
3272 static int btusb_recv_acl_mtk(struct hci_dev *hdev, struct sk_buff *skb)
3274 struct btusb_data *data = hci_get_drvdata(hdev);
3275 u16 handle = le16_to_cpu(hci_acl_hdr(skb)->handle);
3278 case 0xfc6f: /* Firmware dump from device */
3279 /* When the firmware hangs, the device can no longer
3280 * suspend and thus disable auto-suspend.
3282 usb_disable_autosuspend(data->udev);
3284 /* We need to forward the diagnostic packet to userspace daemon
3285 * for backward compatibility, so we have to clone the packet
3286 * extraly for the in-kernel coredump support.
3288 if (IS_ENABLED(CONFIG_DEV_COREDUMP)) {
3289 struct sk_buff *skb_cd = skb_clone(skb, GFP_ATOMIC);
3292 btmtk_process_coredump(hdev, skb_cd);
3296 case 0x05ff: /* Firmware debug logging 1 */
3297 case 0x05fe: /* Firmware debug logging 2 */
3298 return hci_recv_diag(hdev, skb);
3301 return hci_recv_frame(hdev, skb);
3305 /* Configure an out-of-band gpio as wake-up pin, if specified in device tree */
3306 static int marvell_config_oob_wake(struct hci_dev *hdev)
3308 struct sk_buff *skb;
3309 struct btusb_data *data = hci_get_drvdata(hdev);
3310 struct device *dev = &data->udev->dev;
3311 u16 pin, gap, opcode;
3315 /* Move on if no wakeup pin specified */
3316 if (of_property_read_u16(dev->of_node, "marvell,wakeup-pin", &pin) ||
3317 of_property_read_u16(dev->of_node, "marvell,wakeup-gap-ms", &gap))
3320 /* Vendor specific command to configure a GPIO as wake-up pin */
3321 opcode = hci_opcode_pack(0x3F, 0x59);
3322 cmd[0] = opcode & 0xFF;
3323 cmd[1] = opcode >> 8;
3324 cmd[2] = 2; /* length of parameters that follow */
3326 cmd[4] = gap; /* time in ms, for which wakeup pin should be asserted */
3328 skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL);
3330 bt_dev_err(hdev, "%s: No memory", __func__);
3334 skb_put_data(skb, cmd, sizeof(cmd));
3335 hci_skb_pkt_type(skb) = HCI_COMMAND_PKT;
3337 ret = btusb_send_frame(hdev, skb);
3339 bt_dev_err(hdev, "%s: configuration failed", __func__);
3348 static int btusb_set_bdaddr_marvell(struct hci_dev *hdev,
3349 const bdaddr_t *bdaddr)
3351 struct sk_buff *skb;
3356 buf[1] = sizeof(bdaddr_t);
3357 memcpy(buf + 2, bdaddr, sizeof(bdaddr_t));
3359 skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT);
3362 bt_dev_err(hdev, "changing Marvell device address failed (%ld)",
3371 static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev,
3372 const bdaddr_t *bdaddr)
3374 struct sk_buff *skb;
3381 buf[3] = sizeof(bdaddr_t);
3382 memcpy(buf + 4, bdaddr, sizeof(bdaddr_t));
3384 skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT);
3387 bt_dev_err(hdev, "Change address command failed (%ld)", ret);
3395 static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev,
3396 const bdaddr_t *bdaddr)
3398 struct sk_buff *skb;
3402 memcpy(buf, bdaddr, sizeof(bdaddr_t));
3404 skb = __hci_cmd_sync_ev(hdev, 0xfc14, sizeof(buf), buf,
3405 HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);
3408 bt_dev_err(hdev, "Change address command failed (%ld)", ret);
3416 #define QCA_MEMDUMP_ACL_HANDLE 0x2EDD
3417 #define QCA_MEMDUMP_SIZE_MAX 0x100000
3418 #define QCA_MEMDUMP_VSE_CLASS 0x01
3419 #define QCA_MEMDUMP_MSG_TYPE 0x08
3420 #define QCA_MEMDUMP_PKT_SIZE 248
3421 #define QCA_LAST_SEQUENCE_NUM 0xffff
3423 struct qca_dump_hdr {
3431 __le32 ram_dump_size;
3438 static void btusb_dump_hdr_qca(struct hci_dev *hdev, struct sk_buff *skb)
3441 struct btusb_data *btdata = hci_get_drvdata(hdev);
3443 snprintf(buf, sizeof(buf), "Controller Name: 0x%x\n",
3444 btdata->qca_dump.controller_id);
3445 skb_put_data(skb, buf, strlen(buf));
3447 snprintf(buf, sizeof(buf), "Firmware Version: 0x%x\n",
3448 btdata->qca_dump.fw_version);
3449 skb_put_data(skb, buf, strlen(buf));
3451 snprintf(buf, sizeof(buf), "Driver: %s\nVendor: qca\n",
3453 skb_put_data(skb, buf, strlen(buf));
3455 snprintf(buf, sizeof(buf), "VID: 0x%x\nPID:0x%x\n",
3456 btdata->qca_dump.id_vendor, btdata->qca_dump.id_product);
3457 skb_put_data(skb, buf, strlen(buf));
3459 snprintf(buf, sizeof(buf), "Lmp Subversion: 0x%x\n",
3461 skb_put_data(skb, buf, strlen(buf));
3464 static void btusb_coredump_qca(struct hci_dev *hdev)
3466 static const u8 param[] = { 0x26 };
3467 struct sk_buff *skb;
3469 skb = __hci_cmd_sync(hdev, 0xfc0c, 1, param, HCI_CMD_TIMEOUT);
3471 bt_dev_err(hdev, "%s: triggle crash failed (%ld)", __func__, PTR_ERR(skb));
3476 * ==0: not a dump pkt.
3477 * < 0: fails to handle a dump pkt
3480 static int handle_dump_pkt_qca(struct hci_dev *hdev, struct sk_buff *skb)
3485 unsigned int sk_len;
3489 struct hci_event_hdr *event_hdr;
3490 struct hci_acl_hdr *acl_hdr;
3491 struct qca_dump_hdr *dump_hdr;
3492 struct btusb_data *btdata = hci_get_drvdata(hdev);
3493 struct usb_device *udev = btdata->udev;
3495 pkt_type = hci_skb_pkt_type(skb);
3499 if (pkt_type == HCI_ACLDATA_PKT) {
3500 acl_hdr = hci_acl_hdr(skb);
3501 if (le16_to_cpu(acl_hdr->handle) != QCA_MEMDUMP_ACL_HANDLE)
3503 sk_ptr += HCI_ACL_HDR_SIZE;
3504 sk_len -= HCI_ACL_HDR_SIZE;
3505 event_hdr = (struct hci_event_hdr *)sk_ptr;
3507 event_hdr = hci_event_hdr(skb);
3510 if ((event_hdr->evt != HCI_VENDOR_PKT)
3511 || (event_hdr->plen != (sk_len - HCI_EVENT_HDR_SIZE)))
3514 sk_ptr += HCI_EVENT_HDR_SIZE;
3515 sk_len -= HCI_EVENT_HDR_SIZE;
3517 dump_hdr = (struct qca_dump_hdr *)sk_ptr;
3518 if ((sk_len < offsetof(struct qca_dump_hdr, data))
3519 || (dump_hdr->vse_class != QCA_MEMDUMP_VSE_CLASS)
3520 || (dump_hdr->msg_type != QCA_MEMDUMP_MSG_TYPE))
3523 /*it is dump pkt now*/
3524 seqno = le16_to_cpu(dump_hdr->seqno);
3526 set_bit(BTUSB_HW_SSR_ACTIVE, &btdata->flags);
3527 dump_size = le32_to_cpu(dump_hdr->ram_dump_size);
3528 if (!dump_size || (dump_size > QCA_MEMDUMP_SIZE_MAX)) {
3530 bt_dev_err(hdev, "Invalid memdump size(%u)",
3535 ret = hci_devcd_init(hdev, dump_size);
3537 bt_dev_err(hdev, "memdump init error(%d)", ret);
3541 btdata->qca_dump.ram_dump_size = dump_size;
3542 btdata->qca_dump.ram_dump_seqno = 0;
3543 sk_ptr += offsetof(struct qca_dump_hdr, data0);
3544 sk_len -= offsetof(struct qca_dump_hdr, data0);
3546 usb_disable_autosuspend(udev);
3547 bt_dev_info(hdev, "%s memdump size(%u)\n",
3548 (pkt_type == HCI_ACLDATA_PKT) ? "ACL" : "event",
3551 sk_ptr += offsetof(struct qca_dump_hdr, data);
3552 sk_len -= offsetof(struct qca_dump_hdr, data);
3555 if (!btdata->qca_dump.ram_dump_size) {
3557 bt_dev_err(hdev, "memdump is not active");
3561 if ((seqno > btdata->qca_dump.ram_dump_seqno + 1) && (seqno != QCA_LAST_SEQUENCE_NUM)) {
3562 dump_size = QCA_MEMDUMP_PKT_SIZE * (seqno - btdata->qca_dump.ram_dump_seqno - 1);
3563 hci_devcd_append_pattern(hdev, 0x0, dump_size);
3565 "expected memdump seqno(%u) is not received(%u)\n",
3566 btdata->qca_dump.ram_dump_seqno, seqno);
3567 btdata->qca_dump.ram_dump_seqno = seqno;
3572 skb_pull(skb, skb->len - sk_len);
3573 hci_devcd_append(hdev, skb);
3574 btdata->qca_dump.ram_dump_seqno++;
3575 if (seqno == QCA_LAST_SEQUENCE_NUM) {
3577 "memdump done: pkts(%u), total(%u)\n",
3578 btdata->qca_dump.ram_dump_seqno, btdata->qca_dump.ram_dump_size);
3580 hci_devcd_complete(hdev);
3586 if (btdata->qca_dump.ram_dump_size)
3587 usb_enable_autosuspend(udev);
3588 btdata->qca_dump.ram_dump_size = 0;
3589 btdata->qca_dump.ram_dump_seqno = 0;
3590 clear_bit(BTUSB_HW_SSR_ACTIVE, &btdata->flags);
3597 static int btusb_recv_acl_qca(struct hci_dev *hdev, struct sk_buff *skb)
3599 if (handle_dump_pkt_qca(hdev, skb))
3601 return hci_recv_frame(hdev, skb);
3604 static int btusb_recv_evt_qca(struct hci_dev *hdev, struct sk_buff *skb)
3606 if (handle_dump_pkt_qca(hdev, skb))
3608 return hci_recv_frame(hdev, skb);
3612 #define QCA_DFU_PACKET_LEN 4096
3614 #define QCA_GET_TARGET_VERSION 0x09
3615 #define QCA_CHECK_STATUS 0x05
3616 #define QCA_DFU_DOWNLOAD 0x01
3618 #define QCA_SYSCFG_UPDATED 0x40
3619 #define QCA_PATCH_UPDATED 0x80
3620 #define QCA_DFU_TIMEOUT 3000
3621 #define QCA_FLAG_MULTI_NVM 0x80
3622 #define QCA_BT_RESET_WAIT_MS 100
3624 #define WCN6855_2_0_RAM_VERSION_GF 0x400c1200
3625 #define WCN6855_2_1_RAM_VERSION_GF 0x400c1211
3627 struct qca_version {
3629 __le32 patch_version;
3637 struct qca_rampatch_version {
3638 __le16 rom_version_high;
3639 __le16 rom_version_low;
3640 __le16 patch_version;
3643 struct qca_device_info {
3645 u8 rampatch_hdr; /* length of header in rampatch */
3646 u8 nvm_hdr; /* length of header in NVM */
3647 u8 ver_offset; /* offset of version structure in rampatch */
3650 static const struct qca_device_info qca_devices_table[] = {
3651 { 0x00000100, 20, 4, 8 }, /* Rome 1.0 */
3652 { 0x00000101, 20, 4, 8 }, /* Rome 1.1 */
3653 { 0x00000200, 28, 4, 16 }, /* Rome 2.0 */
3654 { 0x00000201, 28, 4, 16 }, /* Rome 2.1 */
3655 { 0x00000300, 28, 4, 16 }, /* Rome 3.0 */
3656 { 0x00000302, 28, 4, 16 }, /* Rome 3.2 */
3657 { 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */
3658 { 0x00130200, 40, 4, 16 }, /* WCN6855 2.0 */
3659 { 0x00130201, 40, 4, 16 }, /* WCN6855 2.1 */
3660 { 0x00190200, 40, 4, 16 }, /* WCN785x 2.0 */
3663 static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request,
3664 void *data, u16 size)
3669 buf = kmalloc(size, GFP_KERNEL);
3673 /* Found some of USB hosts have IOT issues with ours so that we should
3674 * not wait until HCI layer is ready.
3676 pipe = usb_rcvctrlpipe(udev, 0);
3677 err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN,
3678 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
3680 dev_err(&udev->dev, "Failed to access otp area (%d)", err);
3684 memcpy(data, buf, size);
3692 static int btusb_setup_qca_download_fw(struct hci_dev *hdev,
3693 const struct firmware *firmware,
3696 struct btusb_data *btdata = hci_get_drvdata(hdev);
3697 struct usb_device *udev = btdata->udev;
3698 size_t count, size, sent = 0;
3702 buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL);
3706 count = firmware->size;
3708 size = min_t(size_t, count, hdr_size);
3709 memcpy(buf, firmware->data, size);
3711 /* USB patches should go down to controller through USB path
3712 * because binary format fits to go down through USB channel.
3713 * USB control path is for patching headers and USB bulk is for
3716 pipe = usb_sndctrlpipe(udev, 0);
3717 err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR,
3718 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
3720 bt_dev_err(hdev, "Failed to send headers (%d)", err);
3727 /* ep2 need time to switch from function acl to function dfu,
3728 * so we add 20ms delay here.
3733 size = min_t(size_t, count, QCA_DFU_PACKET_LEN);
3735 memcpy(buf, firmware->data + sent, size);
3737 pipe = usb_sndbulkpipe(udev, 0x02);
3738 err = usb_bulk_msg(udev, pipe, buf, size, &len,
3741 bt_dev_err(hdev, "Failed to send body at %zd of %zd (%d)",
3742 sent, firmware->size, err);
3747 bt_dev_err(hdev, "Failed to get bulk buffer");
3761 static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
3762 struct qca_version *ver,
3763 const struct qca_device_info *info)
3765 struct qca_rampatch_version *rver;
3766 const struct firmware *fw;
3767 u32 ver_rom, ver_patch, rver_rom;
3768 u16 rver_rom_low, rver_rom_high, rver_patch;
3772 ver_rom = le32_to_cpu(ver->rom_version);
3773 ver_patch = le32_to_cpu(ver->patch_version);
3775 snprintf(fwname, sizeof(fwname), "/*(DEBLOBBED)*/", ver_rom);
3777 err = reject_firmware(&fw, fwname, &hdev->dev);
3779 bt_dev_err(hdev, "failed to request rampatch file: %s (%d)",
3784 bt_dev_info(hdev, "using rampatch file: %s", fwname);
3786 rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset);
3787 rver_rom_low = le16_to_cpu(rver->rom_version_low);
3788 rver_patch = le16_to_cpu(rver->patch_version);
3790 if (ver_rom & ~0xffffU) {
3791 rver_rom_high = le16_to_cpu(rver->rom_version_high);
3792 rver_rom = rver_rom_high << 16 | rver_rom_low;
3794 rver_rom = rver_rom_low;
3797 bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, "
3798 "firmware rome 0x%x build 0x%x",
3799 rver_rom, rver_patch, ver_rom, ver_patch);
3801 if (rver_rom != ver_rom || rver_patch <= ver_patch) {
3802 bt_dev_err(hdev, "rampatch file version did not match with firmware");
3807 err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr);
3810 release_firmware(fw);
3815 static void btusb_generate_qca_nvm_name(char *fwname, size_t max_size,
3816 const struct qca_version *ver)
3818 u32 rom_version = le32_to_cpu(ver->rom_version);
3819 u16 flag = le16_to_cpu(ver->flag);
3821 if (((flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) {
3822 /* The board_id should be split into two bytes
3823 * The 1st byte is chip ID, and the 2nd byte is platform ID
3824 * For example, board ID 0x010A, 0x01 is platform ID. 0x0A is chip ID
3825 * we have several platforms, and platform IDs are continuously added
3827 * 0x00 is for Mobile
3829 * 0x02 is for Automotive
3830 * 0x03 is for Consumer electronic
3832 u16 board_id = (ver->chip_id << 8) + ver->platform_id;
3833 const char *variant;
3835 switch (le32_to_cpu(ver->ram_version)) {
3836 case WCN6855_2_0_RAM_VERSION_GF:
3837 case WCN6855_2_1_RAM_VERSION_GF:
3845 if (board_id == 0) {
3846 snprintf(fwname, max_size, "/*(DEBLOBBED)*/",
3847 rom_version, variant);
3849 snprintf(fwname, max_size, "/*(DEBLOBBED)*/",
3850 rom_version, variant, board_id);
3853 snprintf(fwname, max_size, "/*(DEBLOBBED)*/",
3859 static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
3860 struct qca_version *ver,
3861 const struct qca_device_info *info)
3863 const struct firmware *fw;
3867 btusb_generate_qca_nvm_name(fwname, sizeof(fwname), ver);
3869 err = reject_firmware(&fw, fwname, &hdev->dev);
3871 bt_dev_err(hdev, "failed to request NVM file: %s (%d)",
3876 bt_dev_info(hdev, "using NVM file: %s", fwname);
3878 err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr);
3880 release_firmware(fw);
3885 /* identify the ROM version and check whether patches are needed */
3886 static bool btusb_qca_need_patch(struct usb_device *udev)
3888 struct qca_version ver;
3890 if (btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
3893 /* only low ROM versions need patches */
3894 return !(le32_to_cpu(ver.rom_version) & ~0xffffU);
3897 static int btusb_setup_qca(struct hci_dev *hdev)
3899 struct btusb_data *btdata = hci_get_drvdata(hdev);
3900 struct usb_device *udev = btdata->udev;
3901 const struct qca_device_info *info = NULL;
3902 struct qca_version ver;
3907 err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
3912 ver_rom = le32_to_cpu(ver.rom_version);
3914 for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {
3915 if (ver_rom == qca_devices_table[i].rom_version)
3916 info = &qca_devices_table[i];
3919 /* If the rom_version is not matched in the qca_devices_table
3920 * and the high ROM version is not zero, we assume this chip no
3921 * need to load the rampatch and nvm.
3923 if (ver_rom & ~0xffffU)
3926 bt_dev_err(hdev, "don't support firmware rome 0x%x", ver_rom);
3930 err = btusb_qca_send_vendor_req(udev, QCA_CHECK_STATUS, &status,
3935 if (!(status & QCA_PATCH_UPDATED)) {
3936 err = btusb_setup_qca_load_rampatch(hdev, &ver, info);
3941 err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
3946 btdata->qca_dump.fw_version = le32_to_cpu(ver.patch_version);
3947 btdata->qca_dump.controller_id = le32_to_cpu(ver.rom_version);
3949 if (!(status & QCA_SYSCFG_UPDATED)) {
3950 err = btusb_setup_qca_load_nvm(hdev, &ver, info);
3954 /* WCN6855 2.1 and later will reset to apply firmware downloaded here, so
3955 * wait ~100ms for reset Done then go ahead, otherwise, it maybe
3956 * cause potential enable failure.
3958 if (info->rom_version >= 0x00130201)
3959 msleep(QCA_BT_RESET_WAIT_MS);
3962 /* Mark HCI_OP_ENHANCED_SETUP_SYNC_CONN as broken as it doesn't seem to
3963 * work with the likes of HSP/HFP mSBC.
3965 set_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &hdev->quirks);
3970 static inline int __set_diag_interface(struct hci_dev *hdev)
3972 struct btusb_data *data = hci_get_drvdata(hdev);
3973 struct usb_interface *intf = data->diag;
3979 data->diag_tx_ep = NULL;
3980 data->diag_rx_ep = NULL;
3982 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
3983 struct usb_endpoint_descriptor *ep_desc;
3985 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
3987 if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
3988 data->diag_tx_ep = ep_desc;
3992 if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
3993 data->diag_rx_ep = ep_desc;
3998 if (!data->diag_tx_ep || !data->diag_rx_ep) {
3999 bt_dev_err(hdev, "invalid diagnostic descriptors");
4006 static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable)
4008 struct btusb_data *data = hci_get_drvdata(hdev);
4009 struct sk_buff *skb;
4013 if (!data->diag_tx_ep)
4014 return ERR_PTR(-ENODEV);
4016 urb = usb_alloc_urb(0, GFP_KERNEL);
4018 return ERR_PTR(-ENOMEM);
4020 skb = bt_skb_alloc(2, GFP_KERNEL);
4023 return ERR_PTR(-ENOMEM);
4026 skb_put_u8(skb, 0xf0);
4027 skb_put_u8(skb, enable);
4029 pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress);
4031 usb_fill_bulk_urb(urb, data->udev, pipe,
4032 skb->data, skb->len, btusb_tx_complete, skb);
4034 skb->dev = (void *)hdev;
4039 static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable)
4041 struct btusb_data *data = hci_get_drvdata(hdev);
4047 if (!test_bit(HCI_RUNNING, &hdev->flags))
4050 urb = alloc_diag_urb(hdev, enable);
4052 return PTR_ERR(urb);
4054 return submit_or_queue_tx_urb(hdev, urb);
4058 static irqreturn_t btusb_oob_wake_handler(int irq, void *priv)
4060 struct btusb_data *data = priv;
4062 pm_wakeup_event(&data->udev->dev, 0);
4065 /* Disable only if not already disabled (keep it balanced) */
4066 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
4067 disable_irq_nosync(irq);
4068 disable_irq_wake(irq);
4073 static const struct of_device_id btusb_match_table[] = {
4074 { .compatible = "usb1286,204e" },
4075 { .compatible = "usbcf3,e300" }, /* QCA6174A */
4076 { .compatible = "usb4ca,301a" }, /* QCA6174A (Lite-On) */
4079 MODULE_DEVICE_TABLE(of, btusb_match_table);
4081 /* Use an oob wakeup pin? */
4082 static int btusb_config_oob_wake(struct hci_dev *hdev)
4084 struct btusb_data *data = hci_get_drvdata(hdev);
4085 struct device *dev = &data->udev->dev;
4088 clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags);
4090 if (!of_match_device(btusb_match_table, dev))
4093 /* Move on if no IRQ specified */
4094 irq = of_irq_get_byname(dev->of_node, "wakeup");
4096 bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT", __func__);
4100 irq_set_status_flags(irq, IRQ_NOAUTOEN);
4101 ret = devm_request_irq(&hdev->dev, irq, btusb_oob_wake_handler,
4102 0, "OOB Wake-on-BT", data);
4104 bt_dev_err(hdev, "%s: IRQ request failed", __func__);
4108 ret = device_init_wakeup(dev, true);
4110 bt_dev_err(hdev, "%s: failed to init_wakeup", __func__);
4114 data->oob_wake_irq = irq;
4115 bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u", irq);
4120 static void btusb_check_needs_reset_resume(struct usb_interface *intf)
4122 if (dmi_check_system(btusb_needs_reset_resume_table))
4123 interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME;
4126 static bool btusb_wakeup(struct hci_dev *hdev)
4128 struct btusb_data *data = hci_get_drvdata(hdev);
4130 return device_may_wakeup(&data->udev->dev);
4133 static int btusb_shutdown_qca(struct hci_dev *hdev)
4135 struct sk_buff *skb;
4137 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
4139 bt_dev_err(hdev, "HCI reset during shutdown failed");
4140 return PTR_ERR(skb);
4147 static ssize_t force_poll_sync_read(struct file *file, char __user *user_buf,
4148 size_t count, loff_t *ppos)
4150 struct btusb_data *data = file->private_data;
4153 buf[0] = data->poll_sync ? 'Y' : 'N';
4156 return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
4159 static ssize_t force_poll_sync_write(struct file *file,
4160 const char __user *user_buf,
4161 size_t count, loff_t *ppos)
4163 struct btusb_data *data = file->private_data;
4167 err = kstrtobool_from_user(user_buf, count, &enable);
4171 /* Only allow changes while the adapter is down */
4172 if (test_bit(HCI_UP, &data->hdev->flags))
4175 if (data->poll_sync == enable)
4178 data->poll_sync = enable;
4183 static const struct file_operations force_poll_sync_fops = {
4184 .open = simple_open,
4185 .read = force_poll_sync_read,
4186 .write = force_poll_sync_write,
4187 .llseek = default_llseek,
4190 static int btusb_probe(struct usb_interface *intf,
4191 const struct usb_device_id *id)
4193 struct usb_endpoint_descriptor *ep_desc;
4194 struct gpio_desc *reset_gpio;
4195 struct btusb_data *data;
4196 struct hci_dev *hdev;
4197 unsigned ifnum_base;
4198 int i, err, priv_size;
4200 BT_DBG("intf %p id %p", intf, id);
4202 if ((id->driver_info & BTUSB_IFNUM_2) &&
4203 (intf->cur_altsetting->desc.bInterfaceNumber != 0) &&
4204 (intf->cur_altsetting->desc.bInterfaceNumber != 2))
4207 ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber;
4209 if (!id->driver_info) {
4210 const struct usb_device_id *match;
4212 match = usb_match_id(intf, quirks_table);
4217 if (id->driver_info == BTUSB_IGNORE)
4220 if (id->driver_info & BTUSB_ATH3012) {
4221 struct usb_device *udev = interface_to_usbdev(intf);
4223 /* Old firmware would otherwise let ath3k driver load
4224 * patch and sysconfig files
4226 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001 &&
4227 !btusb_qca_need_patch(udev))
4231 data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
4235 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
4236 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
4238 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
4239 data->intr_ep = ep_desc;
4243 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
4244 data->bulk_tx_ep = ep_desc;
4248 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
4249 data->bulk_rx_ep = ep_desc;
4254 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
4257 if (id->driver_info & BTUSB_AMP) {
4258 data->cmdreq_type = USB_TYPE_CLASS | 0x01;
4259 data->cmdreq = 0x2b;
4261 data->cmdreq_type = USB_TYPE_CLASS;
4262 data->cmdreq = 0x00;
4265 data->udev = interface_to_usbdev(intf);
4268 INIT_WORK(&data->work, btusb_work);
4269 INIT_WORK(&data->waker, btusb_waker);
4270 INIT_DELAYED_WORK(&data->rx_work, btusb_rx_work);
4272 skb_queue_head_init(&data->acl_q);
4274 init_usb_anchor(&data->deferred);
4275 init_usb_anchor(&data->tx_anchor);
4276 spin_lock_init(&data->txlock);
4278 init_usb_anchor(&data->intr_anchor);
4279 init_usb_anchor(&data->bulk_anchor);
4280 init_usb_anchor(&data->isoc_anchor);
4281 init_usb_anchor(&data->diag_anchor);
4282 init_usb_anchor(&data->ctrl_anchor);
4283 spin_lock_init(&data->rxlock);
4287 data->recv_event = hci_recv_frame;
4288 data->recv_bulk = btusb_recv_bulk;
4290 if (id->driver_info & BTUSB_INTEL_COMBINED) {
4291 /* Allocate extra space for Intel device */
4292 priv_size += sizeof(struct btintel_data);
4294 /* Override the rx handlers */
4295 data->recv_event = btintel_recv_event;
4296 data->recv_bulk = btusb_recv_bulk_intel;
4297 } else if (id->driver_info & BTUSB_REALTEK) {
4298 /* Allocate extra space for Realtek device */
4299 priv_size += sizeof(struct btrealtek_data);
4301 data->recv_event = btusb_recv_event_realtek;
4302 } else if (id->driver_info & BTUSB_MEDIATEK) {
4303 /* Allocate extra space for Mediatek device */
4304 priv_size += sizeof(struct btmediatek_data);
4307 data->recv_acl = hci_recv_frame;
4309 hdev = hci_alloc_dev_priv(priv_size);
4313 hdev->bus = HCI_USB;
4314 hci_set_drvdata(hdev, data);
4316 if (id->driver_info & BTUSB_AMP)
4317 hdev->dev_type = HCI_AMP;
4319 hdev->dev_type = HCI_PRIMARY;
4323 SET_HCIDEV_DEV(hdev, &intf->dev);
4325 reset_gpio = gpiod_get_optional(&data->udev->dev, "reset",
4327 if (IS_ERR(reset_gpio)) {
4328 err = PTR_ERR(reset_gpio);
4330 } else if (reset_gpio) {
4331 data->reset_gpio = reset_gpio;
4334 hdev->open = btusb_open;
4335 hdev->close = btusb_close;
4336 hdev->flush = btusb_flush;
4337 hdev->send = btusb_send_frame;
4338 hdev->notify = btusb_notify;
4339 hdev->wakeup = btusb_wakeup;
4342 err = btusb_config_oob_wake(hdev);
4346 /* Marvell devices may need a specific chip configuration */
4347 if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) {
4348 err = marvell_config_oob_wake(hdev);
4353 if (id->driver_info & BTUSB_CW6622)
4354 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
4356 if (id->driver_info & BTUSB_BCM2045)
4357 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
4359 if (id->driver_info & BTUSB_BCM92035)
4360 hdev->setup = btusb_setup_bcm92035;
4362 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) &&
4363 (id->driver_info & BTUSB_BCM_PATCHRAM)) {
4364 hdev->manufacturer = 15;
4365 hdev->setup = btbcm_setup_patchram;
4366 hdev->set_diag = btusb_bcm_set_diag;
4367 hdev->set_bdaddr = btbcm_set_bdaddr;
4369 /* Broadcom LM_DIAG Interface numbers are hardcoded */
4370 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
4373 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) &&
4374 (id->driver_info & BTUSB_BCM_APPLE)) {
4375 hdev->manufacturer = 15;
4376 hdev->setup = btbcm_setup_apple;
4377 hdev->set_diag = btusb_bcm_set_diag;
4379 /* Broadcom LM_DIAG Interface numbers are hardcoded */
4380 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
4383 /* Combined Intel Device setup to support multiple setup routine */
4384 if (id->driver_info & BTUSB_INTEL_COMBINED) {
4385 err = btintel_configure_setup(hdev, btusb_driver.name);
4389 /* Transport specific configuration */
4390 hdev->send = btusb_send_frame_intel;
4391 hdev->cmd_timeout = btusb_intel_cmd_timeout;
4393 if (id->driver_info & BTUSB_INTEL_NO_WBS_SUPPORT)
4394 btintel_set_flag(hdev, INTEL_ROM_LEGACY_NO_WBS_SUPPORT);
4396 if (id->driver_info & BTUSB_INTEL_BROKEN_INITIAL_NCMD)
4397 btintel_set_flag(hdev, INTEL_BROKEN_INITIAL_NCMD);
4399 if (id->driver_info & BTUSB_INTEL_BROKEN_SHUTDOWN_LED)
4400 btintel_set_flag(hdev, INTEL_BROKEN_SHUTDOWN_LED);
4403 if (id->driver_info & BTUSB_MARVELL)
4404 hdev->set_bdaddr = btusb_set_bdaddr_marvell;
4406 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_MTK) &&
4407 (id->driver_info & BTUSB_MEDIATEK)) {
4408 hdev->setup = btusb_mtk_setup;
4409 hdev->shutdown = btusb_mtk_shutdown;
4410 hdev->manufacturer = 70;
4411 hdev->cmd_timeout = btmtk_reset_sync;
4412 hdev->set_bdaddr = btmtk_set_bdaddr;
4413 set_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &hdev->quirks);
4414 set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks);
4415 data->recv_acl = btusb_recv_acl_mtk;
4418 if (id->driver_info & BTUSB_SWAVE) {
4419 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks);
4420 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks);
4423 if (id->driver_info & BTUSB_INTEL_BOOT) {
4424 hdev->manufacturer = 2;
4425 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
4428 if (id->driver_info & BTUSB_ATH3012) {
4429 data->setup_on_usb = btusb_setup_qca;
4430 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
4431 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
4432 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
4435 if (id->driver_info & BTUSB_QCA_ROME) {
4436 data->setup_on_usb = btusb_setup_qca;
4437 hdev->shutdown = btusb_shutdown_qca;
4438 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
4439 hdev->cmd_timeout = btusb_qca_cmd_timeout;
4440 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
4441 btusb_check_needs_reset_resume(intf);
4444 if (id->driver_info & BTUSB_QCA_WCN6855) {
4445 data->qca_dump.id_vendor = id->idVendor;
4446 data->qca_dump.id_product = id->idProduct;
4447 data->recv_event = btusb_recv_evt_qca;
4448 data->recv_acl = btusb_recv_acl_qca;
4449 hci_devcd_register(hdev, btusb_coredump_qca, btusb_dump_hdr_qca, NULL);
4450 data->setup_on_usb = btusb_setup_qca;
4451 hdev->shutdown = btusb_shutdown_qca;
4452 hdev->set_bdaddr = btusb_set_bdaddr_wcn6855;
4453 hdev->cmd_timeout = btusb_qca_cmd_timeout;
4454 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
4455 hci_set_msft_opcode(hdev, 0xFD70);
4458 if (id->driver_info & BTUSB_AMP) {
4459 /* AMP controllers do not support SCO packets */
4462 /* Interface orders are hardcoded in the specification */
4463 data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1);
4464 data->isoc_ifnum = ifnum_base + 1;
4467 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_RTL) &&
4468 (id->driver_info & BTUSB_REALTEK)) {
4469 btrtl_set_driver_name(hdev, btusb_driver.name);
4470 hdev->setup = btusb_setup_realtek;
4471 hdev->shutdown = btrtl_shutdown_realtek;
4472 hdev->cmd_timeout = btusb_rtl_cmd_timeout;
4473 hdev->hw_error = btusb_rtl_hw_error;
4475 /* Realtek devices need to set remote wakeup on auto-suspend */
4476 set_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags);
4477 set_bit(BTUSB_USE_ALT3_FOR_WBS, &data->flags);
4480 if (id->driver_info & BTUSB_ACTIONS_SEMI) {
4481 /* Support is advertised, but not implemented */
4482 set_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks);
4483 set_bit(HCI_QUIRK_BROKEN_READ_TRANSMIT_POWER, &hdev->quirks);
4484 set_bit(HCI_QUIRK_BROKEN_SET_RPA_TIMEOUT, &hdev->quirks);
4485 set_bit(HCI_QUIRK_BROKEN_EXT_SCAN, &hdev->quirks);
4486 set_bit(HCI_QUIRK_BROKEN_READ_ENC_KEY_SIZE, &hdev->quirks);
4490 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
4492 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
4493 if (!disable_scofix)
4494 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
4497 if (id->driver_info & BTUSB_BROKEN_ISOC)
4500 if (id->driver_info & BTUSB_WIDEBAND_SPEECH)
4501 set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks);
4503 if (id->driver_info & BTUSB_VALID_LE_STATES)
4504 set_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks);
4506 if (id->driver_info & BTUSB_DIGIANSWER) {
4507 data->cmdreq_type = USB_TYPE_VENDOR;
4508 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
4511 if (id->driver_info & BTUSB_CSR) {
4512 struct usb_device *udev = data->udev;
4513 u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice);
4515 /* Old firmware would otherwise execute USB reset */
4516 if (bcdDevice < 0x117)
4517 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
4519 /* This must be set first in case we disable it for fakes */
4520 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
4522 /* Fake CSR devices with broken commands */
4523 if (le16_to_cpu(udev->descriptor.idVendor) == 0x0a12 &&
4524 le16_to_cpu(udev->descriptor.idProduct) == 0x0001)
4525 hdev->setup = btusb_setup_csr;
4528 if (id->driver_info & BTUSB_SNIFFER) {
4529 struct usb_device *udev = data->udev;
4531 /* New sniffer firmware has crippled HCI interface */
4532 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
4533 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
4536 if (id->driver_info & BTUSB_INTEL_BOOT) {
4537 /* A bug in the bootloader causes that interrupt interface is
4538 * only enabled after receiving SetInterface(0, AltSetting=0).
4540 err = usb_set_interface(data->udev, 0, 0);
4542 BT_ERR("failed to set interface 0, alt 0 %d", err);
4548 err = usb_driver_claim_interface(&btusb_driver,
4554 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && data->diag) {
4555 if (!usb_driver_claim_interface(&btusb_driver,
4557 __set_diag_interface(hdev);
4562 if (enable_autosuspend)
4563 usb_enable_autosuspend(data->udev);
4565 data->poll_sync = enable_poll_sync;
4567 err = hci_register_dev(hdev);
4571 usb_set_intfdata(intf, data);
4573 debugfs_create_file("force_poll_sync", 0644, hdev->debugfs, data,
4574 &force_poll_sync_fops);
4579 if (data->reset_gpio)
4580 gpiod_put(data->reset_gpio);
4585 static void btusb_disconnect(struct usb_interface *intf)
4587 struct btusb_data *data = usb_get_intfdata(intf);
4588 struct hci_dev *hdev;
4590 BT_DBG("intf %p", intf);
4596 usb_set_intfdata(data->intf, NULL);
4599 usb_set_intfdata(data->isoc, NULL);
4602 usb_set_intfdata(data->diag, NULL);
4604 hci_unregister_dev(hdev);
4606 if (intf == data->intf) {
4608 usb_driver_release_interface(&btusb_driver, data->isoc);
4610 usb_driver_release_interface(&btusb_driver, data->diag);
4611 } else if (intf == data->isoc) {
4613 usb_driver_release_interface(&btusb_driver, data->diag);
4614 usb_driver_release_interface(&btusb_driver, data->intf);
4615 } else if (intf == data->diag) {
4616 usb_driver_release_interface(&btusb_driver, data->intf);
4618 usb_driver_release_interface(&btusb_driver, data->isoc);
4621 if (data->oob_wake_irq)
4622 device_init_wakeup(&data->udev->dev, false);
4624 if (data->reset_gpio)
4625 gpiod_put(data->reset_gpio);
4631 static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
4633 struct btusb_data *data = usb_get_intfdata(intf);
4635 BT_DBG("intf %p", intf);
4637 /* Don't suspend if there are connections */
4638 if (hci_conn_count(data->hdev))
4641 if (data->suspend_count++)
4644 spin_lock_irq(&data->txlock);
4645 if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
4646 set_bit(BTUSB_SUSPENDING, &data->flags);
4647 spin_unlock_irq(&data->txlock);
4649 spin_unlock_irq(&data->txlock);
4650 data->suspend_count--;
4654 cancel_work_sync(&data->work);
4656 btusb_stop_traffic(data);
4657 usb_kill_anchored_urbs(&data->tx_anchor);
4659 if (data->oob_wake_irq && device_may_wakeup(&data->udev->dev)) {
4660 set_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags);
4661 enable_irq_wake(data->oob_wake_irq);
4662 enable_irq(data->oob_wake_irq);
4665 /* For global suspend, Realtek devices lose the loaded fw
4666 * in them. But for autosuspend, firmware should remain.
4667 * Actually, it depends on whether the usb host sends
4668 * set feature (enable wakeup) or not.
4670 if (test_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags)) {
4671 if (PMSG_IS_AUTO(message) &&
4672 device_can_wakeup(&data->udev->dev))
4673 data->udev->do_remote_wakeup = 1;
4674 else if (!PMSG_IS_AUTO(message) &&
4675 !device_may_wakeup(&data->udev->dev)) {
4676 data->udev->do_remote_wakeup = 0;
4677 data->udev->reset_resume = 1;
4684 static void play_deferred(struct btusb_data *data)
4689 while ((urb = usb_get_from_anchor(&data->deferred))) {
4690 usb_anchor_urb(urb, &data->tx_anchor);
4692 err = usb_submit_urb(urb, GFP_ATOMIC);
4694 if (err != -EPERM && err != -ENODEV)
4695 BT_ERR("%s urb %p submission failed (%d)",
4696 data->hdev->name, urb, -err);
4697 kfree(urb->setup_packet);
4698 usb_unanchor_urb(urb);
4703 data->tx_in_flight++;
4707 /* Cleanup the rest deferred urbs. */
4708 while ((urb = usb_get_from_anchor(&data->deferred))) {
4709 kfree(urb->setup_packet);
4714 static int btusb_resume(struct usb_interface *intf)
4716 struct btusb_data *data = usb_get_intfdata(intf);
4717 struct hci_dev *hdev = data->hdev;
4720 BT_DBG("intf %p", intf);
4722 if (--data->suspend_count)
4725 /* Disable only if not already disabled (keep it balanced) */
4726 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
4727 disable_irq(data->oob_wake_irq);
4728 disable_irq_wake(data->oob_wake_irq);
4731 if (!test_bit(HCI_RUNNING, &hdev->flags))
4734 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
4735 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
4737 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
4742 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
4743 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
4745 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
4749 btusb_submit_bulk_urb(hdev, GFP_NOIO);
4752 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
4753 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
4754 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
4756 btusb_submit_isoc_urb(hdev, GFP_NOIO);
4759 spin_lock_irq(&data->txlock);
4760 play_deferred(data);
4761 clear_bit(BTUSB_SUSPENDING, &data->flags);
4762 spin_unlock_irq(&data->txlock);
4763 schedule_work(&data->work);
4768 usb_scuttle_anchored_urbs(&data->deferred);
4770 spin_lock_irq(&data->txlock);
4771 clear_bit(BTUSB_SUSPENDING, &data->flags);
4772 spin_unlock_irq(&data->txlock);
4778 #ifdef CONFIG_DEV_COREDUMP
4779 static void btusb_coredump(struct device *dev)
4781 struct btusb_data *data = dev_get_drvdata(dev);
4782 struct hci_dev *hdev = data->hdev;
4784 if (hdev->dump.coredump)
4785 hdev->dump.coredump(hdev);
4789 static struct usb_driver btusb_driver = {
4791 .probe = btusb_probe,
4792 .disconnect = btusb_disconnect,
4794 .suspend = btusb_suspend,
4795 .resume = btusb_resume,
4797 .id_table = btusb_table,
4798 .supports_autosuspend = 1,
4799 .disable_hub_initiated_lpm = 1,
4801 #ifdef CONFIG_DEV_COREDUMP
4803 .coredump = btusb_coredump,
4808 module_usb_driver(btusb_driver);
4810 module_param(disable_scofix, bool, 0644);
4811 MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
4813 module_param(force_scofix, bool, 0644);
4814 MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
4816 module_param(enable_autosuspend, bool, 0644);
4817 MODULE_PARM_DESC(enable_autosuspend, "Enable USB autosuspend by default");
4819 module_param(reset, bool, 0644);
4820 MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
4822 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
4823 MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
4824 MODULE_VERSION(VERSION);
4825 MODULE_LICENSE("GPL");