3 * Generic Bluetooth USB driver
5 * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #include <linux/dmi.h>
25 #include <linux/module.h>
26 #include <linux/usb.h>
27 #include <linux/usb/quirks.h>
28 #include <linux/firmware.h>
29 #include <linux/of_device.h>
30 #include <linux/of_irq.h>
31 #include <linux/suspend.h>
32 #include <asm/unaligned.h>
34 #include <net/bluetooth/bluetooth.h>
35 #include <net/bluetooth/hci_core.h>
43 static bool disable_scofix;
44 static bool force_scofix;
45 static bool enable_autosuspend = IS_ENABLED(CONFIG_BT_HCIBTUSB_AUTOSUSPEND);
47 static bool reset = true;
49 static struct usb_driver btusb_driver;
51 #define BTUSB_IGNORE 0x01
52 #define BTUSB_DIGIANSWER 0x02
53 #define BTUSB_CSR 0x04
54 #define BTUSB_SNIFFER 0x08
55 #define BTUSB_BCM92035 0x10
56 #define BTUSB_BROKEN_ISOC 0x20
57 #define BTUSB_WRONG_SCO_MTU 0x40
58 #define BTUSB_ATH3012 0x80
59 #define BTUSB_INTEL 0x100
60 #define BTUSB_INTEL_BOOT 0x200
61 #define BTUSB_BCM_PATCHRAM 0x400
62 #define BTUSB_MARVELL 0x800
63 #define BTUSB_SWAVE 0x1000
64 #define BTUSB_INTEL_NEW 0x2000
65 #define BTUSB_AMP 0x4000
66 #define BTUSB_QCA_ROME 0x8000
67 #define BTUSB_BCM_APPLE 0x10000
68 #define BTUSB_REALTEK 0x20000
69 #define BTUSB_BCM2045 0x40000
70 #define BTUSB_IFNUM_2 0x80000
71 #define BTUSB_CW6622 0x100000
73 static const struct usb_device_id btusb_table[] = {
74 /* Generic Bluetooth USB device */
75 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
77 /* Generic Bluetooth AMP device */
78 { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP },
80 /* Generic Bluetooth USB interface */
81 { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) },
83 /* Apple-specific (Broadcom) devices */
84 { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01),
85 .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 },
87 /* MediaTek MT76x0E */
88 { USB_DEVICE(0x0e8d, 0x763f) },
90 /* Broadcom SoftSailing reporting vendor specific */
91 { USB_DEVICE(0x0a5c, 0x21e1) },
93 /* Apple MacBookPro 7,1 */
94 { USB_DEVICE(0x05ac, 0x8213) },
97 { USB_DEVICE(0x05ac, 0x8215) },
99 /* Apple MacBookPro6,2 */
100 { USB_DEVICE(0x05ac, 0x8218) },
102 /* Apple MacBookAir3,1, MacBookAir3,2 */
103 { USB_DEVICE(0x05ac, 0x821b) },
105 /* Apple MacBookAir4,1 */
106 { USB_DEVICE(0x05ac, 0x821f) },
108 /* Apple MacBookPro8,2 */
109 { USB_DEVICE(0x05ac, 0x821a) },
111 /* Apple MacMini5,1 */
112 { USB_DEVICE(0x05ac, 0x8281) },
114 /* AVM BlueFRITZ! USB v2.0 */
115 { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE },
117 /* Bluetooth Ultraport Module from IBM */
118 { USB_DEVICE(0x04bf, 0x030a) },
120 /* ALPS Modules with non-standard id */
121 { USB_DEVICE(0x044e, 0x3001) },
122 { USB_DEVICE(0x044e, 0x3002) },
124 /* Ericsson with non-standard id */
125 { USB_DEVICE(0x0bdb, 0x1002) },
127 /* Canyon CN-BTU1 with HID interfaces */
128 { USB_DEVICE(0x0c10, 0x0000) },
130 /* Broadcom BCM20702A0 */
131 { USB_DEVICE(0x413c, 0x8197) },
133 /* Broadcom BCM20702B0 (Dynex/Insignia) */
134 { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM },
136 /* Broadcom BCM43142A0 (Foxconn/Lenovo) */
137 { USB_VENDOR_AND_INTERFACE_INFO(0x105b, 0xff, 0x01, 0x01),
138 .driver_info = BTUSB_BCM_PATCHRAM },
140 /* Broadcom BCM920703 (HTC Vive) */
141 { USB_VENDOR_AND_INTERFACE_INFO(0x0bb4, 0xff, 0x01, 0x01),
142 .driver_info = BTUSB_BCM_PATCHRAM },
144 /* Foxconn - Hon Hai */
145 { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
146 .driver_info = BTUSB_BCM_PATCHRAM },
148 /* Lite-On Technology - Broadcom based */
149 { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01),
150 .driver_info = BTUSB_BCM_PATCHRAM },
152 /* Broadcom devices with vendor specific id */
153 { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01),
154 .driver_info = BTUSB_BCM_PATCHRAM },
156 /* ASUSTek Computer - Broadcom based */
157 { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01),
158 .driver_info = BTUSB_BCM_PATCHRAM },
160 /* Belkin F8065bf - Broadcom based */
161 { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01),
162 .driver_info = BTUSB_BCM_PATCHRAM },
164 /* IMC Networks - Broadcom based */
165 { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01),
166 .driver_info = BTUSB_BCM_PATCHRAM },
168 /* Dell Computer - Broadcom based */
169 { USB_VENDOR_AND_INTERFACE_INFO(0x413c, 0xff, 0x01, 0x01),
170 .driver_info = BTUSB_BCM_PATCHRAM },
172 /* Toshiba Corp - Broadcom based */
173 { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01),
174 .driver_info = BTUSB_BCM_PATCHRAM },
176 /* Intel Bluetooth USB Bootloader (RAM module) */
177 { USB_DEVICE(0x8087, 0x0a5a),
178 .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC },
180 { } /* Terminating entry */
183 MODULE_DEVICE_TABLE(usb, btusb_table);
185 static const struct usb_device_id blacklist_table[] = {
186 /* CSR BlueCore devices */
187 { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
189 /* Broadcom BCM2033 without firmware */
190 { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
192 /* Broadcom BCM2045 devices */
193 { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 },
195 /* Atheros 3011 with sflash firmware */
196 { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
197 { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
198 { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE },
199 { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
200 { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
201 { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
202 { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
204 /* Atheros AR9285 Malbec with sflash firmware */
205 { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
207 /* Atheros 3012 with sflash firmware */
208 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
209 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
210 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
211 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
212 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
213 { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
214 { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
215 { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
216 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
217 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
218 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
219 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
220 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
221 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
222 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
223 { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
224 { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
225 { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
226 { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
227 { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 },
228 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
229 { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
230 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
231 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
232 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
233 { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
234 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
235 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
236 { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
237 { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 },
238 { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 },
239 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
240 { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
241 { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 },
242 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
243 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
244 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
245 { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
246 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
247 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
248 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
249 { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
250 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
251 { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
252 { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
253 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
254 { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
255 { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
256 { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 },
257 { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 },
259 /* Atheros AR5BBU12 with sflash firmware */
260 { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
262 /* Atheros AR5BBU12 with sflash firmware */
263 { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
264 { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
266 /* QCA ROME chipset */
267 { USB_DEVICE(0x0cf3, 0x535b), .driver_info = BTUSB_QCA_ROME },
268 { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME },
269 { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME },
270 { USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME },
271 { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME },
272 { USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME },
273 { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME },
274 { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME },
275 { USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME },
276 { USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME },
277 { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME },
278 { USB_DEVICE(0x04ca, 0x3015), .driver_info = BTUSB_QCA_ROME },
279 { USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME },
280 { USB_DEVICE(0x04ca, 0x301a), .driver_info = BTUSB_QCA_ROME },
281 { USB_DEVICE(0x13d3, 0x3496), .driver_info = BTUSB_QCA_ROME },
283 /* Broadcom BCM2035 */
284 { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
285 { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
286 { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
288 /* Broadcom BCM2045 */
289 { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
290 { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
292 /* IBM/Lenovo ThinkPad with Broadcom chip */
293 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
294 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
296 /* HP laptop with Broadcom chip */
297 { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
299 /* Dell laptop with Broadcom chip */
300 { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
302 /* Dell Wireless 370 and 410 devices */
303 { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
304 { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
306 /* Belkin F8T012 and F8T013 devices */
307 { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
308 { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
310 /* Asus WL-BTD202 device */
311 { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
313 /* Kensington Bluetooth USB adapter */
314 { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
316 /* RTX Telecom based adapters with buggy SCO support */
317 { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
318 { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
320 /* CONWISE Technology based adapters with buggy SCO support */
321 { USB_DEVICE(0x0e5e, 0x6622),
322 .driver_info = BTUSB_BROKEN_ISOC | BTUSB_CW6622},
324 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
325 { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE },
327 /* Digianswer devices */
328 { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
329 { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
331 /* CSR BlueCore Bluetooth Sniffer */
332 { USB_DEVICE(0x0a12, 0x0002),
333 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
335 /* Frontline ComProbe Bluetooth Sniffer */
336 { USB_DEVICE(0x16d3, 0x0002),
337 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
339 /* Marvell Bluetooth devices */
340 { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL },
341 { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL },
342 { USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL },
344 /* Intel Bluetooth devices */
345 { USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_NEW },
346 { USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_NEW },
347 { USB_DEVICE(0x8087, 0x0029), .driver_info = BTUSB_INTEL_NEW },
348 { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR },
349 { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
350 { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL },
351 { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW },
352 { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL },
353 { USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_NEW },
355 /* Other Intel Bluetooth devices */
356 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
357 .driver_info = BTUSB_IGNORE },
359 /* Realtek Bluetooth devices */
360 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
361 .driver_info = BTUSB_REALTEK },
363 /* Additional Realtek 8723AE Bluetooth devices */
364 { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
365 { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK },
367 /* Additional Realtek 8723BE Bluetooth devices */
368 { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK },
369 { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK },
370 { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK },
371 { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK },
372 { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK },
373 { USB_DEVICE(0x13d3, 0x3494), .driver_info = BTUSB_REALTEK },
375 /* Additional Realtek 8723BU Bluetooth devices */
376 { USB_DEVICE(0x7392, 0xa611), .driver_info = BTUSB_REALTEK },
378 /* Additional Realtek 8723DE Bluetooth devices */
379 { USB_DEVICE(0x0bda, 0xb009), .driver_info = BTUSB_REALTEK },
380 { USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK },
382 /* Additional Realtek 8821AE Bluetooth devices */
383 { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK },
384 { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK },
385 { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK },
386 { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK },
387 { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK },
389 /* Additional Realtek 8822BE Bluetooth devices */
390 { USB_DEVICE(0x13d3, 0x3526), .driver_info = BTUSB_REALTEK },
391 { USB_DEVICE(0x0b05, 0x185c), .driver_info = BTUSB_REALTEK },
393 /* Silicon Wave based devices */
394 { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE },
396 { } /* Terminating entry */
399 /* The Bluetooth USB module build into some devices needs to be reset on resume,
400 * this is a problem with the platform (likely shutting off all power) not with
401 * the module itself. So we use a DMI list to match known broken platforms.
403 static const struct dmi_system_id btusb_needs_reset_resume_table[] = {
405 /* Dell OptiPlex 3060 (QCA ROME device 0cf3:e007) */
407 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
408 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 3060"),
412 /* Dell XPS 9360 (QCA ROME device 0cf3:e300) */
414 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
415 DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360"),
419 /* Dell Inspiron 5565 (QCA ROME device 0cf3:e009) */
421 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
422 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5565"),
428 #define BTUSB_MAX_ISOC_FRAMES 10
430 #define BTUSB_INTR_RUNNING 0
431 #define BTUSB_BULK_RUNNING 1
432 #define BTUSB_ISOC_RUNNING 2
433 #define BTUSB_SUSPENDING 3
434 #define BTUSB_DID_ISO_RESUME 4
435 #define BTUSB_BOOTLOADER 5
436 #define BTUSB_DOWNLOADING 6
437 #define BTUSB_FIRMWARE_LOADED 7
438 #define BTUSB_FIRMWARE_FAILED 8
439 #define BTUSB_BOOTING 9
440 #define BTUSB_DIAG_RUNNING 10
441 #define BTUSB_OOB_WAKE_ENABLED 11
444 struct hci_dev *hdev;
445 struct usb_device *udev;
446 struct usb_interface *intf;
447 struct usb_interface *isoc;
448 struct usb_interface *diag;
453 struct work_struct work;
454 struct work_struct waker;
456 struct usb_anchor deferred;
457 struct usb_anchor tx_anchor;
461 struct usb_anchor intr_anchor;
462 struct usb_anchor bulk_anchor;
463 struct usb_anchor isoc_anchor;
464 struct usb_anchor diag_anchor;
467 struct sk_buff *evt_skb;
468 struct sk_buff *acl_skb;
469 struct sk_buff *sco_skb;
471 struct usb_endpoint_descriptor *intr_ep;
472 struct usb_endpoint_descriptor *bulk_tx_ep;
473 struct usb_endpoint_descriptor *bulk_rx_ep;
474 struct usb_endpoint_descriptor *isoc_tx_ep;
475 struct usb_endpoint_descriptor *isoc_rx_ep;
476 struct usb_endpoint_descriptor *diag_tx_ep;
477 struct usb_endpoint_descriptor *diag_rx_ep;
482 unsigned int sco_num;
486 int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb);
487 int (*recv_bulk)(struct btusb_data *data, void *buffer, int count);
489 int (*setup_on_usb)(struct hci_dev *hdev);
491 int oob_wake_irq; /* irq for out-of-band wake-on-bt */
494 static inline void btusb_free_frags(struct btusb_data *data)
498 spin_lock_irqsave(&data->rxlock, flags);
500 kfree_skb(data->evt_skb);
501 data->evt_skb = NULL;
503 kfree_skb(data->acl_skb);
504 data->acl_skb = NULL;
506 kfree_skb(data->sco_skb);
507 data->sco_skb = NULL;
509 spin_unlock_irqrestore(&data->rxlock, flags);
512 static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count)
518 spin_lock_irqsave(&data->rxlock, flags);
525 skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC);
531 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
532 hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE;
535 len = min_t(uint, hci_skb_expect(skb), count);
536 skb_put_data(skb, buffer, len);
540 hci_skb_expect(skb) -= len;
542 if (skb->len == HCI_EVENT_HDR_SIZE) {
543 /* Complete event header */
544 hci_skb_expect(skb) = hci_event_hdr(skb)->plen;
546 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
555 if (!hci_skb_expect(skb)) {
557 data->recv_event(data->hdev, skb);
563 spin_unlock_irqrestore(&data->rxlock, flags);
568 static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
574 spin_lock_irqsave(&data->rxlock, flags);
581 skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
587 hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT;
588 hci_skb_expect(skb) = HCI_ACL_HDR_SIZE;
591 len = min_t(uint, hci_skb_expect(skb), count);
592 skb_put_data(skb, buffer, len);
596 hci_skb_expect(skb) -= len;
598 if (skb->len == HCI_ACL_HDR_SIZE) {
599 __le16 dlen = hci_acl_hdr(skb)->dlen;
601 /* Complete ACL header */
602 hci_skb_expect(skb) = __le16_to_cpu(dlen);
604 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
613 if (!hci_skb_expect(skb)) {
615 hci_recv_frame(data->hdev, skb);
621 spin_unlock_irqrestore(&data->rxlock, flags);
626 static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count)
632 spin_lock_irqsave(&data->rxlock, flags);
639 skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC);
645 hci_skb_pkt_type(skb) = HCI_SCODATA_PKT;
646 hci_skb_expect(skb) = HCI_SCO_HDR_SIZE;
649 len = min_t(uint, hci_skb_expect(skb), count);
650 skb_put_data(skb, buffer, len);
654 hci_skb_expect(skb) -= len;
656 if (skb->len == HCI_SCO_HDR_SIZE) {
657 /* Complete SCO header */
658 hci_skb_expect(skb) = hci_sco_hdr(skb)->dlen;
660 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
669 if (!hci_skb_expect(skb)) {
671 hci_recv_frame(data->hdev, skb);
677 spin_unlock_irqrestore(&data->rxlock, flags);
682 static void btusb_intr_complete(struct urb *urb)
684 struct hci_dev *hdev = urb->context;
685 struct btusb_data *data = hci_get_drvdata(hdev);
688 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
691 if (!test_bit(HCI_RUNNING, &hdev->flags))
694 if (urb->status == 0) {
695 hdev->stat.byte_rx += urb->actual_length;
697 if (btusb_recv_intr(data, urb->transfer_buffer,
698 urb->actual_length) < 0) {
699 bt_dev_err(hdev, "corrupted event packet");
702 } else if (urb->status == -ENOENT) {
703 /* Avoid suspend failed when usb_kill_urb */
707 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
710 usb_mark_last_busy(data->udev);
711 usb_anchor_urb(urb, &data->intr_anchor);
713 err = usb_submit_urb(urb, GFP_ATOMIC);
715 /* -EPERM: urb is being killed;
716 * -ENODEV: device got disconnected
718 if (err != -EPERM && err != -ENODEV)
719 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
721 usb_unanchor_urb(urb);
725 static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
727 struct btusb_data *data = hci_get_drvdata(hdev);
733 BT_DBG("%s", hdev->name);
738 urb = usb_alloc_urb(0, mem_flags);
742 size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
744 buf = kmalloc(size, mem_flags);
750 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
752 usb_fill_int_urb(urb, data->udev, pipe, buf, size,
753 btusb_intr_complete, hdev, data->intr_ep->bInterval);
755 urb->transfer_flags |= URB_FREE_BUFFER;
757 usb_anchor_urb(urb, &data->intr_anchor);
759 err = usb_submit_urb(urb, mem_flags);
761 if (err != -EPERM && err != -ENODEV)
762 bt_dev_err(hdev, "urb %p submission failed (%d)",
764 usb_unanchor_urb(urb);
772 static void btusb_bulk_complete(struct urb *urb)
774 struct hci_dev *hdev = urb->context;
775 struct btusb_data *data = hci_get_drvdata(hdev);
778 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
781 if (!test_bit(HCI_RUNNING, &hdev->flags))
784 if (urb->status == 0) {
785 hdev->stat.byte_rx += urb->actual_length;
787 if (data->recv_bulk(data, urb->transfer_buffer,
788 urb->actual_length) < 0) {
789 bt_dev_err(hdev, "corrupted ACL packet");
792 } else if (urb->status == -ENOENT) {
793 /* Avoid suspend failed when usb_kill_urb */
797 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
800 usb_anchor_urb(urb, &data->bulk_anchor);
801 usb_mark_last_busy(data->udev);
803 err = usb_submit_urb(urb, GFP_ATOMIC);
805 /* -EPERM: urb is being killed;
806 * -ENODEV: device got disconnected
808 if (err != -EPERM && err != -ENODEV)
809 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
811 usb_unanchor_urb(urb);
815 static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
817 struct btusb_data *data = hci_get_drvdata(hdev);
821 int err, size = HCI_MAX_FRAME_SIZE;
823 BT_DBG("%s", hdev->name);
825 if (!data->bulk_rx_ep)
828 urb = usb_alloc_urb(0, mem_flags);
832 buf = kmalloc(size, mem_flags);
838 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
840 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
841 btusb_bulk_complete, hdev);
843 urb->transfer_flags |= URB_FREE_BUFFER;
845 usb_mark_last_busy(data->udev);
846 usb_anchor_urb(urb, &data->bulk_anchor);
848 err = usb_submit_urb(urb, mem_flags);
850 if (err != -EPERM && err != -ENODEV)
851 bt_dev_err(hdev, "urb %p submission failed (%d)",
853 usb_unanchor_urb(urb);
861 static void btusb_isoc_complete(struct urb *urb)
863 struct hci_dev *hdev = urb->context;
864 struct btusb_data *data = hci_get_drvdata(hdev);
867 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
870 if (!test_bit(HCI_RUNNING, &hdev->flags))
873 if (urb->status == 0) {
874 for (i = 0; i < urb->number_of_packets; i++) {
875 unsigned int offset = urb->iso_frame_desc[i].offset;
876 unsigned int length = urb->iso_frame_desc[i].actual_length;
878 if (urb->iso_frame_desc[i].status)
881 hdev->stat.byte_rx += length;
883 if (btusb_recv_isoc(data, urb->transfer_buffer + offset,
885 bt_dev_err(hdev, "corrupted SCO packet");
889 } else if (urb->status == -ENOENT) {
890 /* Avoid suspend failed when usb_kill_urb */
894 if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
897 usb_anchor_urb(urb, &data->isoc_anchor);
899 err = usb_submit_urb(urb, GFP_ATOMIC);
901 /* -EPERM: urb is being killed;
902 * -ENODEV: device got disconnected
904 if (err != -EPERM && err != -ENODEV)
905 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
907 usb_unanchor_urb(urb);
911 static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
915 BT_DBG("len %d mtu %d", len, mtu);
917 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
918 i++, offset += mtu, len -= mtu) {
919 urb->iso_frame_desc[i].offset = offset;
920 urb->iso_frame_desc[i].length = mtu;
923 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
924 urb->iso_frame_desc[i].offset = offset;
925 urb->iso_frame_desc[i].length = len;
929 urb->number_of_packets = i;
932 static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
934 struct btusb_data *data = hci_get_drvdata(hdev);
940 BT_DBG("%s", hdev->name);
942 if (!data->isoc_rx_ep)
945 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
949 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
950 BTUSB_MAX_ISOC_FRAMES;
952 buf = kmalloc(size, mem_flags);
958 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
960 usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
961 hdev, data->isoc_rx_ep->bInterval);
963 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
965 __fill_isoc_descriptor(urb, size,
966 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
968 usb_anchor_urb(urb, &data->isoc_anchor);
970 err = usb_submit_urb(urb, mem_flags);
972 if (err != -EPERM && err != -ENODEV)
973 bt_dev_err(hdev, "urb %p submission failed (%d)",
975 usb_unanchor_urb(urb);
983 static void btusb_diag_complete(struct urb *urb)
985 struct hci_dev *hdev = urb->context;
986 struct btusb_data *data = hci_get_drvdata(hdev);
989 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
992 if (urb->status == 0) {
995 skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC);
997 skb_put_data(skb, urb->transfer_buffer,
999 hci_recv_diag(hdev, skb);
1001 } else if (urb->status == -ENOENT) {
1002 /* Avoid suspend failed when usb_kill_urb */
1006 if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags))
1009 usb_anchor_urb(urb, &data->diag_anchor);
1010 usb_mark_last_busy(data->udev);
1012 err = usb_submit_urb(urb, GFP_ATOMIC);
1014 /* -EPERM: urb is being killed;
1015 * -ENODEV: device got disconnected
1017 if (err != -EPERM && err != -ENODEV)
1018 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
1020 usb_unanchor_urb(urb);
1024 static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags)
1026 struct btusb_data *data = hci_get_drvdata(hdev);
1030 int err, size = HCI_MAX_FRAME_SIZE;
1032 BT_DBG("%s", hdev->name);
1034 if (!data->diag_rx_ep)
1037 urb = usb_alloc_urb(0, mem_flags);
1041 buf = kmalloc(size, mem_flags);
1047 pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress);
1049 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
1050 btusb_diag_complete, hdev);
1052 urb->transfer_flags |= URB_FREE_BUFFER;
1054 usb_mark_last_busy(data->udev);
1055 usb_anchor_urb(urb, &data->diag_anchor);
1057 err = usb_submit_urb(urb, mem_flags);
1059 if (err != -EPERM && err != -ENODEV)
1060 bt_dev_err(hdev, "urb %p submission failed (%d)",
1062 usb_unanchor_urb(urb);
1070 static void btusb_tx_complete(struct urb *urb)
1072 struct sk_buff *skb = urb->context;
1073 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
1074 struct btusb_data *data = hci_get_drvdata(hdev);
1075 unsigned long flags;
1077 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1078 urb->actual_length);
1080 if (!test_bit(HCI_RUNNING, &hdev->flags))
1084 hdev->stat.byte_tx += urb->transfer_buffer_length;
1086 hdev->stat.err_tx++;
1089 spin_lock_irqsave(&data->txlock, flags);
1090 data->tx_in_flight--;
1091 spin_unlock_irqrestore(&data->txlock, flags);
1093 kfree(urb->setup_packet);
1098 static void btusb_isoc_tx_complete(struct urb *urb)
1100 struct sk_buff *skb = urb->context;
1101 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
1103 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1104 urb->actual_length);
1106 if (!test_bit(HCI_RUNNING, &hdev->flags))
1110 hdev->stat.byte_tx += urb->transfer_buffer_length;
1112 hdev->stat.err_tx++;
1115 kfree(urb->setup_packet);
1120 static int btusb_open(struct hci_dev *hdev)
1122 struct btusb_data *data = hci_get_drvdata(hdev);
1125 BT_DBG("%s", hdev->name);
1127 err = usb_autopm_get_interface(data->intf);
1131 /* Patching USB firmware files prior to starting any URBs of HCI path
1132 * It is more safe to use USB bulk channel for downloading USB patch
1134 if (data->setup_on_usb) {
1135 err = data->setup_on_usb(hdev);
1140 data->intf->needs_remote_wakeup = 1;
1141 /* device specific wakeup source enabled and required for USB
1142 * remote wakeup while host is suspended
1144 device_wakeup_enable(&data->udev->dev);
1146 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
1149 err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
1153 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
1155 usb_kill_anchored_urbs(&data->intr_anchor);
1159 set_bit(BTUSB_BULK_RUNNING, &data->flags);
1160 btusb_submit_bulk_urb(hdev, GFP_KERNEL);
1163 if (!btusb_submit_diag_urb(hdev, GFP_KERNEL))
1164 set_bit(BTUSB_DIAG_RUNNING, &data->flags);
1168 usb_autopm_put_interface(data->intf);
1172 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
1173 usb_autopm_put_interface(data->intf);
1177 static void btusb_stop_traffic(struct btusb_data *data)
1179 usb_kill_anchored_urbs(&data->intr_anchor);
1180 usb_kill_anchored_urbs(&data->bulk_anchor);
1181 usb_kill_anchored_urbs(&data->isoc_anchor);
1182 usb_kill_anchored_urbs(&data->diag_anchor);
1185 static int btusb_close(struct hci_dev *hdev)
1187 struct btusb_data *data = hci_get_drvdata(hdev);
1190 BT_DBG("%s", hdev->name);
1192 cancel_work_sync(&data->work);
1193 cancel_work_sync(&data->waker);
1195 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1196 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
1197 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
1198 clear_bit(BTUSB_DIAG_RUNNING, &data->flags);
1200 btusb_stop_traffic(data);
1201 btusb_free_frags(data);
1203 err = usb_autopm_get_interface(data->intf);
1207 data->intf->needs_remote_wakeup = 0;
1208 device_wakeup_disable(&data->udev->dev);
1209 usb_autopm_put_interface(data->intf);
1212 usb_scuttle_anchored_urbs(&data->deferred);
1216 static int btusb_flush(struct hci_dev *hdev)
1218 struct btusb_data *data = hci_get_drvdata(hdev);
1220 BT_DBG("%s", hdev->name);
1222 usb_kill_anchored_urbs(&data->tx_anchor);
1223 btusb_free_frags(data);
1228 static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb)
1230 struct btusb_data *data = hci_get_drvdata(hdev);
1231 struct usb_ctrlrequest *dr;
1235 urb = usb_alloc_urb(0, GFP_KERNEL);
1237 return ERR_PTR(-ENOMEM);
1239 dr = kmalloc(sizeof(*dr), GFP_KERNEL);
1242 return ERR_PTR(-ENOMEM);
1245 dr->bRequestType = data->cmdreq_type;
1246 dr->bRequest = data->cmdreq;
1249 dr->wLength = __cpu_to_le16(skb->len);
1251 pipe = usb_sndctrlpipe(data->udev, 0x00);
1253 usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
1254 skb->data, skb->len, btusb_tx_complete, skb);
1256 skb->dev = (void *)hdev;
1261 static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb)
1263 struct btusb_data *data = hci_get_drvdata(hdev);
1267 if (!data->bulk_tx_ep)
1268 return ERR_PTR(-ENODEV);
1270 urb = usb_alloc_urb(0, GFP_KERNEL);
1272 return ERR_PTR(-ENOMEM);
1274 pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress);
1276 usb_fill_bulk_urb(urb, data->udev, pipe,
1277 skb->data, skb->len, btusb_tx_complete, skb);
1279 skb->dev = (void *)hdev;
1284 static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb)
1286 struct btusb_data *data = hci_get_drvdata(hdev);
1290 if (!data->isoc_tx_ep)
1291 return ERR_PTR(-ENODEV);
1293 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL);
1295 return ERR_PTR(-ENOMEM);
1297 pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress);
1299 usb_fill_int_urb(urb, data->udev, pipe,
1300 skb->data, skb->len, btusb_isoc_tx_complete,
1301 skb, data->isoc_tx_ep->bInterval);
1303 urb->transfer_flags = URB_ISO_ASAP;
1305 __fill_isoc_descriptor(urb, skb->len,
1306 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
1308 skb->dev = (void *)hdev;
1313 static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb)
1315 struct btusb_data *data = hci_get_drvdata(hdev);
1318 usb_anchor_urb(urb, &data->tx_anchor);
1320 err = usb_submit_urb(urb, GFP_KERNEL);
1322 if (err != -EPERM && err != -ENODEV)
1323 bt_dev_err(hdev, "urb %p submission failed (%d)",
1325 kfree(urb->setup_packet);
1326 usb_unanchor_urb(urb);
1328 usb_mark_last_busy(data->udev);
1335 static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb)
1337 struct btusb_data *data = hci_get_drvdata(hdev);
1338 unsigned long flags;
1341 spin_lock_irqsave(&data->txlock, flags);
1342 suspending = test_bit(BTUSB_SUSPENDING, &data->flags);
1344 data->tx_in_flight++;
1345 spin_unlock_irqrestore(&data->txlock, flags);
1348 return submit_tx_urb(hdev, urb);
1350 usb_anchor_urb(urb, &data->deferred);
1351 schedule_work(&data->waker);
1357 static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
1361 BT_DBG("%s", hdev->name);
1363 switch (hci_skb_pkt_type(skb)) {
1364 case HCI_COMMAND_PKT:
1365 urb = alloc_ctrl_urb(hdev, skb);
1367 return PTR_ERR(urb);
1369 hdev->stat.cmd_tx++;
1370 return submit_or_queue_tx_urb(hdev, urb);
1372 case HCI_ACLDATA_PKT:
1373 urb = alloc_bulk_urb(hdev, skb);
1375 return PTR_ERR(urb);
1377 hdev->stat.acl_tx++;
1378 return submit_or_queue_tx_urb(hdev, urb);
1380 case HCI_SCODATA_PKT:
1381 if (hci_conn_num(hdev, SCO_LINK) < 1)
1384 urb = alloc_isoc_urb(hdev, skb);
1386 return PTR_ERR(urb);
1388 hdev->stat.sco_tx++;
1389 return submit_tx_urb(hdev, urb);
1395 static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
1397 struct btusb_data *data = hci_get_drvdata(hdev);
1399 BT_DBG("%s evt %d", hdev->name, evt);
1401 if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) {
1402 data->sco_num = hci_conn_num(hdev, SCO_LINK);
1403 schedule_work(&data->work);
1407 static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
1409 struct btusb_data *data = hci_get_drvdata(hdev);
1410 struct usb_interface *intf = data->isoc;
1411 struct usb_endpoint_descriptor *ep_desc;
1417 err = usb_set_interface(data->udev, data->isoc_ifnum, altsetting);
1419 bt_dev_err(hdev, "setting interface failed (%d)", -err);
1423 data->isoc_altsetting = altsetting;
1425 data->isoc_tx_ep = NULL;
1426 data->isoc_rx_ep = NULL;
1428 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
1429 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
1431 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
1432 data->isoc_tx_ep = ep_desc;
1436 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
1437 data->isoc_rx_ep = ep_desc;
1442 if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
1443 bt_dev_err(hdev, "invalid SCO descriptors");
1450 static void btusb_work(struct work_struct *work)
1452 struct btusb_data *data = container_of(work, struct btusb_data, work);
1453 struct hci_dev *hdev = data->hdev;
1457 if (data->sco_num > 0) {
1458 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
1459 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
1461 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1462 usb_kill_anchored_urbs(&data->isoc_anchor);
1466 set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
1469 if (hdev->voice_setting & 0x0020) {
1470 static const int alts[3] = { 2, 4, 5 };
1472 new_alts = alts[data->sco_num - 1];
1474 new_alts = data->sco_num;
1477 if (data->isoc_altsetting != new_alts) {
1478 unsigned long flags;
1480 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1481 usb_kill_anchored_urbs(&data->isoc_anchor);
1483 /* When isochronous alternate setting needs to be
1484 * changed, because SCO connection has been added
1485 * or removed, a packet fragment may be left in the
1486 * reassembling state. This could lead to wrongly
1487 * assembled fragments.
1489 * Clear outstanding fragment when selecting a new
1490 * alternate setting.
1492 spin_lock_irqsave(&data->rxlock, flags);
1493 kfree_skb(data->sco_skb);
1494 data->sco_skb = NULL;
1495 spin_unlock_irqrestore(&data->rxlock, flags);
1497 if (__set_isoc_interface(hdev, new_alts) < 0)
1501 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
1502 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
1503 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1505 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
1508 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1509 usb_kill_anchored_urbs(&data->isoc_anchor);
1511 __set_isoc_interface(hdev, 0);
1512 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
1513 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
1517 static void btusb_waker(struct work_struct *work)
1519 struct btusb_data *data = container_of(work, struct btusb_data, waker);
1522 err = usb_autopm_get_interface(data->intf);
1526 usb_autopm_put_interface(data->intf);
1529 static int btusb_setup_bcm92035(struct hci_dev *hdev)
1531 struct sk_buff *skb;
1534 BT_DBG("%s", hdev->name);
1536 skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT);
1538 bt_dev_err(hdev, "BCM92035 command failed (%ld)", PTR_ERR(skb));
1545 static int btusb_setup_csr(struct hci_dev *hdev)
1547 struct hci_rp_read_local_version *rp;
1548 struct sk_buff *skb;
1550 BT_DBG("%s", hdev->name);
1552 skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
1555 int err = PTR_ERR(skb);
1556 bt_dev_err(hdev, "CSR: Local version failed (%d)", err);
1560 if (skb->len != sizeof(struct hci_rp_read_local_version)) {
1561 bt_dev_err(hdev, "CSR: Local version length mismatch");
1566 rp = (struct hci_rp_read_local_version *)skb->data;
1568 /* Detect controllers which aren't real CSR ones. */
1569 if (le16_to_cpu(rp->manufacturer) != 10 ||
1570 le16_to_cpu(rp->lmp_subver) == 0x0c5c) {
1571 /* Clear the reset quirk since this is not an actual
1572 * early Bluetooth 1.1 device from CSR.
1574 clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
1576 /* These fake CSR controllers have all a broken
1577 * stored link key handling and so just disable it.
1579 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
1587 static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev,
1588 struct intel_version *ver)
1590 const struct firmware *fw;
1594 snprintf(fwname, sizeof(fwname),
1595 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
1596 ver->hw_platform, ver->hw_variant, ver->hw_revision,
1597 ver->fw_variant, ver->fw_revision, ver->fw_build_num,
1598 ver->fw_build_ww, ver->fw_build_yy);
1600 ret = request_firmware(&fw, fwname, &hdev->dev);
1602 if (ret == -EINVAL) {
1603 bt_dev_err(hdev, "Intel firmware file request failed (%d)",
1608 bt_dev_err(hdev, "failed to open Intel firmware file: %s (%d)",
1611 /* If the correct firmware patch file is not found, use the
1612 * default firmware patch file instead
1614 snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq",
1615 ver->hw_platform, ver->hw_variant);
1616 if (request_firmware(&fw, fwname, &hdev->dev) < 0) {
1617 bt_dev_err(hdev, "failed to open default fw file: %s",
1623 bt_dev_info(hdev, "Intel Bluetooth firmware file: %s", fwname);
1628 static int btusb_setup_intel_patching(struct hci_dev *hdev,
1629 const struct firmware *fw,
1630 const u8 **fw_ptr, int *disable_patch)
1632 struct sk_buff *skb;
1633 struct hci_command_hdr *cmd;
1634 const u8 *cmd_param;
1635 struct hci_event_hdr *evt = NULL;
1636 const u8 *evt_param = NULL;
1637 int remain = fw->size - (*fw_ptr - fw->data);
1639 /* The first byte indicates the types of the patch command or event.
1640 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
1641 * in the current firmware buffer doesn't start with 0x01 or
1642 * the size of remain buffer is smaller than HCI command header,
1643 * the firmware file is corrupted and it should stop the patching
1646 if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) {
1647 bt_dev_err(hdev, "Intel fw corrupted: invalid cmd read");
1653 cmd = (struct hci_command_hdr *)(*fw_ptr);
1654 *fw_ptr += sizeof(*cmd);
1655 remain -= sizeof(*cmd);
1657 /* Ensure that the remain firmware data is long enough than the length
1658 * of command parameter. If not, the firmware file is corrupted.
1660 if (remain < cmd->plen) {
1661 bt_dev_err(hdev, "Intel fw corrupted: invalid cmd len");
1665 /* If there is a command that loads a patch in the firmware
1666 * file, then enable the patch upon success, otherwise just
1667 * disable the manufacturer mode, for example patch activation
1668 * is not required when the default firmware patch file is used
1669 * because there are no patch data to load.
1671 if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e)
1674 cmd_param = *fw_ptr;
1675 *fw_ptr += cmd->plen;
1676 remain -= cmd->plen;
1678 /* This reads the expected events when the above command is sent to the
1679 * device. Some vendor commands expects more than one events, for
1680 * example command status event followed by vendor specific event.
1681 * For this case, it only keeps the last expected event. so the command
1682 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
1683 * last expected event.
1685 while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) {
1689 evt = (struct hci_event_hdr *)(*fw_ptr);
1690 *fw_ptr += sizeof(*evt);
1691 remain -= sizeof(*evt);
1693 if (remain < evt->plen) {
1694 bt_dev_err(hdev, "Intel fw corrupted: invalid evt len");
1698 evt_param = *fw_ptr;
1699 *fw_ptr += evt->plen;
1700 remain -= evt->plen;
1703 /* Every HCI commands in the firmware file has its correspond event.
1704 * If event is not found or remain is smaller than zero, the firmware
1705 * file is corrupted.
1707 if (!evt || !evt_param || remain < 0) {
1708 bt_dev_err(hdev, "Intel fw corrupted: invalid evt read");
1712 skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen,
1713 cmd_param, evt->evt, HCI_INIT_TIMEOUT);
1715 bt_dev_err(hdev, "sending Intel patch command (0x%4.4x) failed (%ld)",
1716 cmd->opcode, PTR_ERR(skb));
1717 return PTR_ERR(skb);
1720 /* It ensures that the returned event matches the event data read from
1721 * the firmware file. At fist, it checks the length and then
1722 * the contents of the event.
1724 if (skb->len != evt->plen) {
1725 bt_dev_err(hdev, "mismatch event length (opcode 0x%4.4x)",
1726 le16_to_cpu(cmd->opcode));
1731 if (memcmp(skb->data, evt_param, evt->plen)) {
1732 bt_dev_err(hdev, "mismatch event parameter (opcode 0x%4.4x)",
1733 le16_to_cpu(cmd->opcode));
1742 static int btusb_setup_intel(struct hci_dev *hdev)
1744 struct sk_buff *skb;
1745 const struct firmware *fw;
1747 int disable_patch, err;
1748 struct intel_version ver;
1750 BT_DBG("%s", hdev->name);
1752 /* The controller has a bug with the first HCI command sent to it
1753 * returning number of completed commands as zero. This would stall the
1754 * command processing in the Bluetooth core.
1756 * As a workaround, send HCI Reset command first which will reset the
1757 * number of completed commands and allow normal command processing
1760 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
1762 bt_dev_err(hdev, "sending initial HCI reset command failed (%ld)",
1764 return PTR_ERR(skb);
1768 /* Read Intel specific controller version first to allow selection of
1769 * which firmware file to load.
1771 * The returned information are hardware variant and revision plus
1772 * firmware variant, revision and build number.
1774 err = btintel_read_version(hdev, &ver);
1778 bt_dev_info(hdev, "read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
1779 ver.hw_platform, ver.hw_variant, ver.hw_revision,
1780 ver.fw_variant, ver.fw_revision, ver.fw_build_num,
1781 ver.fw_build_ww, ver.fw_build_yy, ver.fw_patch_num);
1783 /* fw_patch_num indicates the version of patch the device currently
1784 * have. If there is no patch data in the device, it is always 0x00.
1785 * So, if it is other than 0x00, no need to patch the device again.
1787 if (ver.fw_patch_num) {
1788 bt_dev_info(hdev, "Intel device is already patched. "
1789 "patch num: %02x", ver.fw_patch_num);
1793 /* Opens the firmware patch file based on the firmware version read
1794 * from the controller. If it fails to open the matching firmware
1795 * patch file, it tries to open the default firmware patch file.
1796 * If no patch file is found, allow the device to operate without
1799 fw = btusb_setup_intel_get_fw(hdev, &ver);
1804 /* Enable the manufacturer mode of the controller.
1805 * Only while this mode is enabled, the driver can download the
1806 * firmware patch data and configuration parameters.
1808 err = btintel_enter_mfg(hdev);
1810 release_firmware(fw);
1816 /* The firmware data file consists of list of Intel specific HCI
1817 * commands and its expected events. The first byte indicates the
1818 * type of the message, either HCI command or HCI event.
1820 * It reads the command and its expected event from the firmware file,
1821 * and send to the controller. Once __hci_cmd_sync_ev() returns,
1822 * the returned event is compared with the event read from the firmware
1823 * file and it will continue until all the messages are downloaded to
1826 * Once the firmware patching is completed successfully,
1827 * the manufacturer mode is disabled with reset and activating the
1830 * If the firmware patching fails, the manufacturer mode is
1831 * disabled with reset and deactivating the patch.
1833 * If the default patch file is used, no reset is done when disabling
1836 while (fw->size > fw_ptr - fw->data) {
1839 ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr,
1842 goto exit_mfg_deactivate;
1845 release_firmware(fw);
1848 goto exit_mfg_disable;
1850 /* Patching completed successfully and disable the manufacturer mode
1851 * with reset and activate the downloaded firmware patches.
1853 err = btintel_exit_mfg(hdev, true, true);
1857 bt_dev_info(hdev, "Intel firmware patch completed and activated");
1862 /* Disable the manufacturer mode without reset */
1863 err = btintel_exit_mfg(hdev, false, false);
1867 bt_dev_info(hdev, "Intel firmware patch completed");
1871 exit_mfg_deactivate:
1872 release_firmware(fw);
1874 /* Patching failed. Disable the manufacturer mode with reset and
1875 * deactivate the downloaded firmware patches.
1877 err = btintel_exit_mfg(hdev, true, false);
1881 bt_dev_info(hdev, "Intel firmware patch completed and deactivated");
1884 /* Set the event mask for Intel specific vendor events. This enables
1885 * a few extra events that are useful during general operation.
1887 btintel_set_event_mask_mfg(hdev, false);
1889 btintel_check_bdaddr(hdev);
1893 static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode)
1895 struct sk_buff *skb;
1896 struct hci_event_hdr *hdr;
1897 struct hci_ev_cmd_complete *evt;
1899 skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL);
1903 hdr = skb_put(skb, sizeof(*hdr));
1904 hdr->evt = HCI_EV_CMD_COMPLETE;
1905 hdr->plen = sizeof(*evt) + 1;
1907 evt = skb_put(skb, sizeof(*evt));
1909 evt->opcode = cpu_to_le16(opcode);
1911 skb_put_u8(skb, 0x00);
1913 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
1915 return hci_recv_frame(hdev, skb);
1918 static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer,
1921 /* When the device is in bootloader mode, then it can send
1922 * events via the bulk endpoint. These events are treated the
1923 * same way as the ones received from the interrupt endpoint.
1925 if (test_bit(BTUSB_BOOTLOADER, &data->flags))
1926 return btusb_recv_intr(data, buffer, count);
1928 return btusb_recv_bulk(data, buffer, count);
1931 static void btusb_intel_bootup(struct btusb_data *data, const void *ptr,
1934 const struct intel_bootup *evt = ptr;
1936 if (len != sizeof(*evt))
1939 if (test_and_clear_bit(BTUSB_BOOTING, &data->flags))
1940 wake_up_bit(&data->flags, BTUSB_BOOTING);
1943 static void btusb_intel_secure_send_result(struct btusb_data *data,
1944 const void *ptr, unsigned int len)
1946 const struct intel_secure_send_result *evt = ptr;
1948 if (len != sizeof(*evt))
1952 set_bit(BTUSB_FIRMWARE_FAILED, &data->flags);
1954 if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) &&
1955 test_bit(BTUSB_FIRMWARE_LOADED, &data->flags))
1956 wake_up_bit(&data->flags, BTUSB_DOWNLOADING);
1959 static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb)
1961 struct btusb_data *data = hci_get_drvdata(hdev);
1963 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
1964 struct hci_event_hdr *hdr = (void *)skb->data;
1966 if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff &&
1968 const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1;
1969 unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1;
1971 switch (skb->data[2]) {
1973 /* When switching to the operational firmware
1974 * the device sends a vendor specific event
1975 * indicating that the bootup completed.
1977 btusb_intel_bootup(data, ptr, len);
1980 /* When the firmware loading completes the
1981 * device sends out a vendor specific event
1982 * indicating the result of the firmware
1985 btusb_intel_secure_send_result(data, ptr, len);
1991 return hci_recv_frame(hdev, skb);
1994 static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
1996 struct btusb_data *data = hci_get_drvdata(hdev);
1999 BT_DBG("%s", hdev->name);
2001 switch (hci_skb_pkt_type(skb)) {
2002 case HCI_COMMAND_PKT:
2003 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
2004 struct hci_command_hdr *cmd = (void *)skb->data;
2005 __u16 opcode = le16_to_cpu(cmd->opcode);
2007 /* When in bootloader mode and the command 0xfc09
2008 * is received, it needs to be send down the
2009 * bulk endpoint. So allocate a bulk URB instead.
2011 if (opcode == 0xfc09)
2012 urb = alloc_bulk_urb(hdev, skb);
2014 urb = alloc_ctrl_urb(hdev, skb);
2016 /* When the 0xfc01 command is issued to boot into
2017 * the operational firmware, it will actually not
2018 * send a command complete event. To keep the flow
2019 * control working inject that event here.
2021 if (opcode == 0xfc01)
2022 inject_cmd_complete(hdev, opcode);
2024 urb = alloc_ctrl_urb(hdev, skb);
2027 return PTR_ERR(urb);
2029 hdev->stat.cmd_tx++;
2030 return submit_or_queue_tx_urb(hdev, urb);
2032 case HCI_ACLDATA_PKT:
2033 urb = alloc_bulk_urb(hdev, skb);
2035 return PTR_ERR(urb);
2037 hdev->stat.acl_tx++;
2038 return submit_or_queue_tx_urb(hdev, urb);
2040 case HCI_SCODATA_PKT:
2041 if (hci_conn_num(hdev, SCO_LINK) < 1)
2044 urb = alloc_isoc_urb(hdev, skb);
2046 return PTR_ERR(urb);
2048 hdev->stat.sco_tx++;
2049 return submit_tx_urb(hdev, urb);
2055 static bool btusb_setup_intel_new_get_fw_name(struct intel_version *ver,
2056 struct intel_boot_params *params,
2057 char *fw_name, size_t len,
2060 switch (ver->hw_variant) {
2061 case 0x0b: /* SfP */
2062 case 0x0c: /* WsP */
2063 snprintf(fw_name, len, "intel/ibt-%u-%u.%s",
2064 le16_to_cpu(ver->hw_variant),
2065 le16_to_cpu(params->dev_revid),
2068 case 0x11: /* JfP */
2069 case 0x12: /* ThP */
2070 case 0x13: /* HrP */
2071 case 0x14: /* CcP */
2072 snprintf(fw_name, len, "intel/ibt-%u-%u-%u.%s",
2073 le16_to_cpu(ver->hw_variant),
2074 le16_to_cpu(ver->hw_revision),
2075 le16_to_cpu(ver->fw_revision),
2084 static int btusb_setup_intel_new(struct hci_dev *hdev)
2086 struct btusb_data *data = hci_get_drvdata(hdev);
2087 struct intel_version ver;
2088 struct intel_boot_params params;
2089 const struct firmware *fw;
2092 ktime_t calltime, delta, rettime;
2093 unsigned long long duration;
2096 BT_DBG("%s", hdev->name);
2098 /* Set the default boot parameter to 0x0 and it is updated to
2099 * SKU specific boot parameter after reading Intel_Write_Boot_Params
2100 * command while downloading the firmware.
2102 boot_param = 0x00000000;
2104 calltime = ktime_get();
2106 /* Read the Intel version information to determine if the device
2107 * is in bootloader mode or if it already has operational firmware
2110 err = btintel_read_version(hdev, &ver);
2114 /* The hardware platform number has a fixed value of 0x37 and
2115 * for now only accept this single value.
2117 if (ver.hw_platform != 0x37) {
2118 bt_dev_err(hdev, "Unsupported Intel hardware platform (%u)",
2123 /* Check for supported iBT hardware variants of this firmware
2126 * This check has been put in place to ensure correct forward
2127 * compatibility options when newer hardware variants come along.
2129 switch (ver.hw_variant) {
2130 case 0x0b: /* SfP */
2131 case 0x0c: /* WsP */
2132 case 0x11: /* JfP */
2133 case 0x12: /* ThP */
2134 case 0x13: /* HrP */
2135 case 0x14: /* CcP */
2138 bt_dev_err(hdev, "Unsupported Intel hardware variant (%u)",
2143 btintel_version_info(hdev, &ver);
2145 /* The firmware variant determines if the device is in bootloader
2146 * mode or is running operational firmware. The value 0x06 identifies
2147 * the bootloader and the value 0x23 identifies the operational
2150 * When the operational firmware is already present, then only
2151 * the check for valid Bluetooth device address is needed. This
2152 * determines if the device will be added as configured or
2153 * unconfigured controller.
2155 * It is not possible to use the Secure Boot Parameters in this
2156 * case since that command is only available in bootloader mode.
2158 if (ver.fw_variant == 0x23) {
2159 clear_bit(BTUSB_BOOTLOADER, &data->flags);
2160 btintel_check_bdaddr(hdev);
2164 /* If the device is not in bootloader mode, then the only possible
2165 * choice is to return an error and abort the device initialization.
2167 if (ver.fw_variant != 0x06) {
2168 bt_dev_err(hdev, "Unsupported Intel firmware variant (%u)",
2173 /* Read the secure boot parameters to identify the operating
2174 * details of the bootloader.
2176 err = btintel_read_boot_params(hdev, ¶ms);
2180 /* It is required that every single firmware fragment is acknowledged
2181 * with a command complete event. If the boot parameters indicate
2182 * that this bootloader does not send them, then abort the setup.
2184 if (params.limited_cce != 0x00) {
2185 bt_dev_err(hdev, "Unsupported Intel firmware loading method (%u)",
2186 params.limited_cce);
2190 /* If the OTP has no valid Bluetooth device address, then there will
2191 * also be no valid address for the operational firmware.
2193 if (!bacmp(¶ms.otp_bdaddr, BDADDR_ANY)) {
2194 bt_dev_info(hdev, "No device address configured");
2195 set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
2198 /* With this Intel bootloader only the hardware variant and device
2199 * revision information are used to select the right firmware for SfP
2202 * The firmware filename is ibt-<hw_variant>-<dev_revid>.sfi.
2204 * Currently the supported hardware variants are:
2205 * 11 (0x0b) for iBT3.0 (LnP/SfP)
2206 * 12 (0x0c) for iBT3.5 (WsP)
2208 * For ThP/JfP and for future SKU's, the FW name varies based on HW
2209 * variant, HW revision and FW revision, as these are dependent on CNVi
2210 * and RF Combination.
2212 * 17 (0x11) for iBT3.5 (JfP)
2213 * 18 (0x12) for iBT3.5 (ThP)
2215 * The firmware file name for these will be
2216 * ibt-<hw_variant>-<hw_revision>-<fw_revision>.sfi.
2219 err = btusb_setup_intel_new_get_fw_name(&ver, ¶ms, fwname,
2220 sizeof(fwname), "sfi");
2222 bt_dev_err(hdev, "Unsupported Intel firmware naming");
2226 err = request_firmware(&fw, fwname, &hdev->dev);
2228 bt_dev_err(hdev, "Failed to load Intel firmware file (%d)", err);
2232 bt_dev_info(hdev, "Found device firmware: %s", fwname);
2234 /* Save the DDC file name for later use to apply once the firmware
2235 * downloading is done.
2237 err = btusb_setup_intel_new_get_fw_name(&ver, ¶ms, fwname,
2238 sizeof(fwname), "ddc");
2240 bt_dev_err(hdev, "Unsupported Intel firmware naming");
2244 if (fw->size < 644) {
2245 bt_dev_err(hdev, "Invalid size of firmware file (%zu)",
2251 set_bit(BTUSB_DOWNLOADING, &data->flags);
2253 /* Start firmware downloading and get boot parameter */
2254 err = btintel_download_firmware(hdev, fw, &boot_param);
2258 set_bit(BTUSB_FIRMWARE_LOADED, &data->flags);
2260 bt_dev_info(hdev, "Waiting for firmware download to complete");
2262 /* Before switching the device into operational mode and with that
2263 * booting the loaded firmware, wait for the bootloader notification
2264 * that all fragments have been successfully received.
2266 * When the event processing receives the notification, then the
2267 * BTUSB_DOWNLOADING flag will be cleared.
2269 * The firmware loading should not take longer than 5 seconds
2270 * and thus just timeout if that happens and fail the setup
2273 err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING,
2275 msecs_to_jiffies(5000));
2276 if (err == -EINTR) {
2277 bt_dev_err(hdev, "Firmware loading interrupted");
2282 bt_dev_err(hdev, "Firmware loading timeout");
2287 if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) {
2288 bt_dev_err(hdev, "Firmware loading failed");
2293 rettime = ktime_get();
2294 delta = ktime_sub(rettime, calltime);
2295 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2297 bt_dev_info(hdev, "Firmware loaded in %llu usecs", duration);
2300 release_firmware(fw);
2305 calltime = ktime_get();
2307 set_bit(BTUSB_BOOTING, &data->flags);
2309 err = btintel_send_intel_reset(hdev, boot_param);
2313 /* The bootloader will not indicate when the device is ready. This
2314 * is done by the operational firmware sending bootup notification.
2316 * Booting into operational firmware should not take longer than
2317 * 1 second. However if that happens, then just fail the setup
2318 * since something went wrong.
2320 bt_dev_info(hdev, "Waiting for device to boot");
2322 err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING,
2324 msecs_to_jiffies(1000));
2326 if (err == -EINTR) {
2327 bt_dev_err(hdev, "Device boot interrupted");
2332 bt_dev_err(hdev, "Device boot timeout");
2336 rettime = ktime_get();
2337 delta = ktime_sub(rettime, calltime);
2338 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2340 bt_dev_info(hdev, "Device booted in %llu usecs", duration);
2342 clear_bit(BTUSB_BOOTLOADER, &data->flags);
2344 /* Once the device is running in operational mode, it needs to apply
2345 * the device configuration (DDC) parameters.
2347 * The device can work without DDC parameters, so even if it fails
2348 * to load the file, no need to fail the setup.
2350 btintel_load_ddc_config(hdev, fwname);
2352 /* Set the event mask for Intel specific vendor events. This enables
2353 * a few extra events that are useful during general operation. It
2354 * does not enable any debugging related events.
2356 * The device will function correctly without these events enabled
2357 * and thus no need to fail the setup.
2359 btintel_set_event_mask(hdev, false);
2364 static int btusb_shutdown_intel(struct hci_dev *hdev)
2366 struct sk_buff *skb;
2369 /* In the shutdown sequence where Bluetooth is turned off followed
2370 * by WiFi being turned off, turning WiFi back on causes issue with
2371 * the RF calibration.
2373 * To ensure that any RF activity has been stopped, issue HCI Reset
2374 * command to clear all ongoing activity including advertising,
2377 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
2380 bt_dev_err(hdev, "HCI reset during shutdown failed");
2385 /* Some platforms have an issue with BT LED when the interface is
2386 * down or BT radio is turned off, which takes 5 seconds to BT LED
2387 * goes off. This command turns off the BT LED immediately.
2389 skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT);
2392 bt_dev_err(hdev, "turning off Intel device LED failed");
2401 /* Configure an out-of-band gpio as wake-up pin, if specified in device tree */
2402 static int marvell_config_oob_wake(struct hci_dev *hdev)
2404 struct sk_buff *skb;
2405 struct btusb_data *data = hci_get_drvdata(hdev);
2406 struct device *dev = &data->udev->dev;
2407 u16 pin, gap, opcode;
2411 /* Move on if no wakeup pin specified */
2412 if (of_property_read_u16(dev->of_node, "marvell,wakeup-pin", &pin) ||
2413 of_property_read_u16(dev->of_node, "marvell,wakeup-gap-ms", &gap))
2416 /* Vendor specific command to configure a GPIO as wake-up pin */
2417 opcode = hci_opcode_pack(0x3F, 0x59);
2418 cmd[0] = opcode & 0xFF;
2419 cmd[1] = opcode >> 8;
2420 cmd[2] = 2; /* length of parameters that follow */
2422 cmd[4] = gap; /* time in ms, for which wakeup pin should be asserted */
2424 skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL);
2426 bt_dev_err(hdev, "%s: No memory\n", __func__);
2430 skb_put_data(skb, cmd, sizeof(cmd));
2431 hci_skb_pkt_type(skb) = HCI_COMMAND_PKT;
2433 ret = btusb_send_frame(hdev, skb);
2435 bt_dev_err(hdev, "%s: configuration failed\n", __func__);
2444 static int btusb_set_bdaddr_marvell(struct hci_dev *hdev,
2445 const bdaddr_t *bdaddr)
2447 struct sk_buff *skb;
2452 buf[1] = sizeof(bdaddr_t);
2453 memcpy(buf + 2, bdaddr, sizeof(bdaddr_t));
2455 skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT);
2458 bt_dev_err(hdev, "changing Marvell device address failed (%ld)",
2467 static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev,
2468 const bdaddr_t *bdaddr)
2470 struct sk_buff *skb;
2477 buf[3] = sizeof(bdaddr_t);
2478 memcpy(buf + 4, bdaddr, sizeof(bdaddr_t));
2480 skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT);
2483 bt_dev_err(hdev, "Change address command failed (%ld)", ret);
2491 #define QCA_DFU_PACKET_LEN 4096
2493 #define QCA_GET_TARGET_VERSION 0x09
2494 #define QCA_CHECK_STATUS 0x05
2495 #define QCA_DFU_DOWNLOAD 0x01
2497 #define QCA_SYSCFG_UPDATED 0x40
2498 #define QCA_PATCH_UPDATED 0x80
2499 #define QCA_DFU_TIMEOUT 3000
2501 struct qca_version {
2503 __le32 patch_version;
2509 struct qca_rampatch_version {
2511 __le16 patch_version;
2514 struct qca_device_info {
2516 u8 rampatch_hdr; /* length of header in rampatch */
2517 u8 nvm_hdr; /* length of header in NVM */
2518 u8 ver_offset; /* offset of version structure in rampatch */
2521 static const struct qca_device_info qca_devices_table[] = {
2522 { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */
2523 { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
2524 { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
2525 { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
2526 { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
2527 { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
2530 static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request,
2531 void *data, u16 size)
2536 buf = kmalloc(size, GFP_KERNEL);
2540 /* Found some of USB hosts have IOT issues with ours so that we should
2541 * not wait until HCI layer is ready.
2543 pipe = usb_rcvctrlpipe(udev, 0);
2544 err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN,
2545 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
2547 dev_err(&udev->dev, "Failed to access otp area (%d)", err);
2551 memcpy(data, buf, size);
2559 static int btusb_setup_qca_download_fw(struct hci_dev *hdev,
2560 const struct firmware *firmware,
2563 struct btusb_data *btdata = hci_get_drvdata(hdev);
2564 struct usb_device *udev = btdata->udev;
2565 size_t count, size, sent = 0;
2569 buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL);
2573 count = firmware->size;
2575 size = min_t(size_t, count, hdr_size);
2576 memcpy(buf, firmware->data, size);
2578 /* USB patches should go down to controller through USB path
2579 * because binary format fits to go down through USB channel.
2580 * USB control path is for patching headers and USB bulk is for
2583 pipe = usb_sndctrlpipe(udev, 0);
2584 err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR,
2585 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
2587 bt_dev_err(hdev, "Failed to send headers (%d)", err);
2595 size = min_t(size_t, count, QCA_DFU_PACKET_LEN);
2597 memcpy(buf, firmware->data + sent, size);
2599 pipe = usb_sndbulkpipe(udev, 0x02);
2600 err = usb_bulk_msg(udev, pipe, buf, size, &len,
2603 bt_dev_err(hdev, "Failed to send body at %zd of %zd (%d)",
2604 sent, firmware->size, err);
2609 bt_dev_err(hdev, "Failed to get bulk buffer");
2623 static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
2624 struct qca_version *ver,
2625 const struct qca_device_info *info)
2627 struct qca_rampatch_version *rver;
2628 const struct firmware *fw;
2629 u32 ver_rom, ver_patch;
2630 u16 rver_rom, rver_patch;
2634 ver_rom = le32_to_cpu(ver->rom_version);
2635 ver_patch = le32_to_cpu(ver->patch_version);
2637 snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom);
2639 err = request_firmware(&fw, fwname, &hdev->dev);
2641 bt_dev_err(hdev, "failed to request rampatch file: %s (%d)",
2646 bt_dev_info(hdev, "using rampatch file: %s", fwname);
2648 rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset);
2649 rver_rom = le16_to_cpu(rver->rom_version);
2650 rver_patch = le16_to_cpu(rver->patch_version);
2652 bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, "
2653 "firmware rome 0x%x build 0x%x",
2654 rver_rom, rver_patch, ver_rom, ver_patch);
2656 if (rver_rom != ver_rom || rver_patch <= ver_patch) {
2657 bt_dev_err(hdev, "rampatch file version did not match with firmware");
2662 err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr);
2665 release_firmware(fw);
2670 static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
2671 struct qca_version *ver,
2672 const struct qca_device_info *info)
2674 const struct firmware *fw;
2678 snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
2679 le32_to_cpu(ver->rom_version));
2681 err = request_firmware(&fw, fwname, &hdev->dev);
2683 bt_dev_err(hdev, "failed to request NVM file: %s (%d)",
2688 bt_dev_info(hdev, "using NVM file: %s", fwname);
2690 err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr);
2692 release_firmware(fw);
2697 /* identify the ROM version and check whether patches are needed */
2698 static bool btusb_qca_need_patch(struct usb_device *udev)
2700 struct qca_version ver;
2702 if (btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
2705 /* only low ROM versions need patches */
2706 return !(le32_to_cpu(ver.rom_version) & ~0xffffU);
2709 static int btusb_setup_qca(struct hci_dev *hdev)
2711 struct btusb_data *btdata = hci_get_drvdata(hdev);
2712 struct usb_device *udev = btdata->udev;
2713 const struct qca_device_info *info = NULL;
2714 struct qca_version ver;
2719 err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
2724 ver_rom = le32_to_cpu(ver.rom_version);
2725 /* Don't care about high ROM versions */
2726 if (ver_rom & ~0xffffU)
2729 for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {
2730 if (ver_rom == qca_devices_table[i].rom_version)
2731 info = &qca_devices_table[i];
2734 bt_dev_err(hdev, "don't support firmware rome 0x%x", ver_rom);
2738 err = btusb_qca_send_vendor_req(udev, QCA_CHECK_STATUS, &status,
2743 if (!(status & QCA_PATCH_UPDATED)) {
2744 err = btusb_setup_qca_load_rampatch(hdev, &ver, info);
2749 if (!(status & QCA_SYSCFG_UPDATED)) {
2750 err = btusb_setup_qca_load_nvm(hdev, &ver, info);
2758 #ifdef CONFIG_BT_HCIBTUSB_BCM
2759 static inline int __set_diag_interface(struct hci_dev *hdev)
2761 struct btusb_data *data = hci_get_drvdata(hdev);
2762 struct usb_interface *intf = data->diag;
2768 data->diag_tx_ep = NULL;
2769 data->diag_rx_ep = NULL;
2771 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
2772 struct usb_endpoint_descriptor *ep_desc;
2774 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
2776 if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
2777 data->diag_tx_ep = ep_desc;
2781 if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
2782 data->diag_rx_ep = ep_desc;
2787 if (!data->diag_tx_ep || !data->diag_rx_ep) {
2788 bt_dev_err(hdev, "invalid diagnostic descriptors");
2795 static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable)
2797 struct btusb_data *data = hci_get_drvdata(hdev);
2798 struct sk_buff *skb;
2802 if (!data->diag_tx_ep)
2803 return ERR_PTR(-ENODEV);
2805 urb = usb_alloc_urb(0, GFP_KERNEL);
2807 return ERR_PTR(-ENOMEM);
2809 skb = bt_skb_alloc(2, GFP_KERNEL);
2812 return ERR_PTR(-ENOMEM);
2815 skb_put_u8(skb, 0xf0);
2816 skb_put_u8(skb, enable);
2818 pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress);
2820 usb_fill_bulk_urb(urb, data->udev, pipe,
2821 skb->data, skb->len, btusb_tx_complete, skb);
2823 skb->dev = (void *)hdev;
2828 static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable)
2830 struct btusb_data *data = hci_get_drvdata(hdev);
2836 if (!test_bit(HCI_RUNNING, &hdev->flags))
2839 urb = alloc_diag_urb(hdev, enable);
2841 return PTR_ERR(urb);
2843 return submit_or_queue_tx_urb(hdev, urb);
2848 static irqreturn_t btusb_oob_wake_handler(int irq, void *priv)
2850 struct btusb_data *data = priv;
2852 pm_wakeup_event(&data->udev->dev, 0);
2855 /* Disable only if not already disabled (keep it balanced) */
2856 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
2857 disable_irq_nosync(irq);
2858 disable_irq_wake(irq);
2863 static const struct of_device_id btusb_match_table[] = {
2864 { .compatible = "usb1286,204e" },
2867 MODULE_DEVICE_TABLE(of, btusb_match_table);
2869 /* Use an oob wakeup pin? */
2870 static int btusb_config_oob_wake(struct hci_dev *hdev)
2872 struct btusb_data *data = hci_get_drvdata(hdev);
2873 struct device *dev = &data->udev->dev;
2876 clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags);
2878 if (!of_match_device(btusb_match_table, dev))
2881 /* Move on if no IRQ specified */
2882 irq = of_irq_get_byname(dev->of_node, "wakeup");
2884 bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT", __func__);
2888 ret = devm_request_irq(&hdev->dev, irq, btusb_oob_wake_handler,
2889 0, "OOB Wake-on-BT", data);
2891 bt_dev_err(hdev, "%s: IRQ request failed", __func__);
2895 ret = device_init_wakeup(dev, true);
2897 bt_dev_err(hdev, "%s: failed to init_wakeup", __func__);
2901 data->oob_wake_irq = irq;
2903 bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u", irq);
2908 static void btusb_check_needs_reset_resume(struct usb_interface *intf)
2910 if (dmi_check_system(btusb_needs_reset_resume_table))
2911 interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME;
2914 static int btusb_probe(struct usb_interface *intf,
2915 const struct usb_device_id *id)
2917 struct usb_endpoint_descriptor *ep_desc;
2918 struct btusb_data *data;
2919 struct hci_dev *hdev;
2920 unsigned ifnum_base;
2923 BT_DBG("intf %p id %p", intf, id);
2925 /* interface numbers are hardcoded in the spec */
2926 if (intf->cur_altsetting->desc.bInterfaceNumber != 0) {
2927 if (!(id->driver_info & BTUSB_IFNUM_2))
2929 if (intf->cur_altsetting->desc.bInterfaceNumber != 2)
2933 ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber;
2935 if (!id->driver_info) {
2936 const struct usb_device_id *match;
2938 match = usb_match_id(intf, blacklist_table);
2943 if (id->driver_info == BTUSB_IGNORE)
2946 if (id->driver_info & BTUSB_ATH3012) {
2947 struct usb_device *udev = interface_to_usbdev(intf);
2949 /* Old firmware would otherwise let ath3k driver load
2950 * patch and sysconfig files
2952 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001 &&
2953 !btusb_qca_need_patch(udev))
2957 data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
2961 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
2962 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
2964 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
2965 data->intr_ep = ep_desc;
2969 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
2970 data->bulk_tx_ep = ep_desc;
2974 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
2975 data->bulk_rx_ep = ep_desc;
2980 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
2983 if (id->driver_info & BTUSB_AMP) {
2984 data->cmdreq_type = USB_TYPE_CLASS | 0x01;
2985 data->cmdreq = 0x2b;
2987 data->cmdreq_type = USB_TYPE_CLASS;
2988 data->cmdreq = 0x00;
2991 data->udev = interface_to_usbdev(intf);
2994 INIT_WORK(&data->work, btusb_work);
2995 INIT_WORK(&data->waker, btusb_waker);
2996 init_usb_anchor(&data->deferred);
2997 init_usb_anchor(&data->tx_anchor);
2998 spin_lock_init(&data->txlock);
3000 init_usb_anchor(&data->intr_anchor);
3001 init_usb_anchor(&data->bulk_anchor);
3002 init_usb_anchor(&data->isoc_anchor);
3003 init_usb_anchor(&data->diag_anchor);
3004 spin_lock_init(&data->rxlock);
3006 if (id->driver_info & BTUSB_INTEL_NEW) {
3007 data->recv_event = btusb_recv_event_intel;
3008 data->recv_bulk = btusb_recv_bulk_intel;
3009 set_bit(BTUSB_BOOTLOADER, &data->flags);
3011 data->recv_event = hci_recv_frame;
3012 data->recv_bulk = btusb_recv_bulk;
3015 hdev = hci_alloc_dev();
3019 hdev->bus = HCI_USB;
3020 hci_set_drvdata(hdev, data);
3022 if (id->driver_info & BTUSB_AMP)
3023 hdev->dev_type = HCI_AMP;
3025 hdev->dev_type = HCI_PRIMARY;
3029 SET_HCIDEV_DEV(hdev, &intf->dev);
3031 hdev->open = btusb_open;
3032 hdev->close = btusb_close;
3033 hdev->flush = btusb_flush;
3034 hdev->send = btusb_send_frame;
3035 hdev->notify = btusb_notify;
3038 err = btusb_config_oob_wake(hdev);
3042 /* Marvell devices may need a specific chip configuration */
3043 if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) {
3044 err = marvell_config_oob_wake(hdev);
3049 if (id->driver_info & BTUSB_CW6622)
3050 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
3052 if (id->driver_info & BTUSB_BCM2045)
3053 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
3055 if (id->driver_info & BTUSB_BCM92035)
3056 hdev->setup = btusb_setup_bcm92035;
3058 #ifdef CONFIG_BT_HCIBTUSB_BCM
3059 if (id->driver_info & BTUSB_BCM_PATCHRAM) {
3060 hdev->manufacturer = 15;
3061 hdev->setup = btbcm_setup_patchram;
3062 hdev->set_diag = btusb_bcm_set_diag;
3063 hdev->set_bdaddr = btbcm_set_bdaddr;
3065 /* Broadcom LM_DIAG Interface numbers are hardcoded */
3066 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
3069 if (id->driver_info & BTUSB_BCM_APPLE) {
3070 hdev->manufacturer = 15;
3071 hdev->setup = btbcm_setup_apple;
3072 hdev->set_diag = btusb_bcm_set_diag;
3074 /* Broadcom LM_DIAG Interface numbers are hardcoded */
3075 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
3079 if (id->driver_info & BTUSB_INTEL) {
3080 hdev->manufacturer = 2;
3081 hdev->setup = btusb_setup_intel;
3082 hdev->shutdown = btusb_shutdown_intel;
3083 hdev->set_diag = btintel_set_diag_mfg;
3084 hdev->set_bdaddr = btintel_set_bdaddr;
3085 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
3086 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
3087 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
3090 if (id->driver_info & BTUSB_INTEL_NEW) {
3091 hdev->manufacturer = 2;
3092 hdev->send = btusb_send_frame_intel;
3093 hdev->setup = btusb_setup_intel_new;
3094 hdev->hw_error = btintel_hw_error;
3095 hdev->set_diag = btintel_set_diag;
3096 hdev->set_bdaddr = btintel_set_bdaddr;
3097 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
3098 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
3099 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
3102 if (id->driver_info & BTUSB_MARVELL)
3103 hdev->set_bdaddr = btusb_set_bdaddr_marvell;
3105 if (id->driver_info & BTUSB_SWAVE) {
3106 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks);
3107 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks);
3110 if (id->driver_info & BTUSB_INTEL_BOOT) {
3111 hdev->manufacturer = 2;
3112 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
3115 if (id->driver_info & BTUSB_ATH3012) {
3116 data->setup_on_usb = btusb_setup_qca;
3117 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
3118 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
3119 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
3122 if (id->driver_info & BTUSB_QCA_ROME) {
3123 data->setup_on_usb = btusb_setup_qca;
3124 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
3125 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
3126 btusb_check_needs_reset_resume(intf);
3129 #ifdef CONFIG_BT_HCIBTUSB_RTL
3130 if (id->driver_info & BTUSB_REALTEK) {
3131 hdev->setup = btrtl_setup_realtek;
3133 /* Realtek devices lose their updated firmware over suspend,
3134 * but the USB hub doesn't notice any status change.
3135 * Explicitly request a device reset on resume.
3137 interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME;
3141 if (id->driver_info & BTUSB_AMP) {
3142 /* AMP controllers do not support SCO packets */
3145 /* Interface orders are hardcoded in the specification */
3146 data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1);
3147 data->isoc_ifnum = ifnum_base + 1;
3151 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
3153 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
3154 if (!disable_scofix)
3155 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
3158 if (id->driver_info & BTUSB_BROKEN_ISOC)
3161 if (id->driver_info & BTUSB_DIGIANSWER) {
3162 data->cmdreq_type = USB_TYPE_VENDOR;
3163 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
3166 if (id->driver_info & BTUSB_CSR) {
3167 struct usb_device *udev = data->udev;
3168 u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice);
3170 /* Old firmware would otherwise execute USB reset */
3171 if (bcdDevice < 0x117)
3172 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
3174 /* Fake CSR devices with broken commands */
3175 if (bcdDevice <= 0x100 || bcdDevice == 0x134)
3176 hdev->setup = btusb_setup_csr;
3178 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
3181 if (id->driver_info & BTUSB_SNIFFER) {
3182 struct usb_device *udev = data->udev;
3184 /* New sniffer firmware has crippled HCI interface */
3185 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
3186 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
3189 if (id->driver_info & BTUSB_INTEL_BOOT) {
3190 /* A bug in the bootloader causes that interrupt interface is
3191 * only enabled after receiving SetInterface(0, AltSetting=0).
3193 err = usb_set_interface(data->udev, 0, 0);
3195 BT_ERR("failed to set interface 0, alt 0 %d", err);
3201 err = usb_driver_claim_interface(&btusb_driver,
3207 #ifdef CONFIG_BT_HCIBTUSB_BCM
3209 if (!usb_driver_claim_interface(&btusb_driver,
3211 __set_diag_interface(hdev);
3217 if (enable_autosuspend)
3218 usb_enable_autosuspend(data->udev);
3220 err = hci_register_dev(hdev);
3224 usb_set_intfdata(intf, data);
3233 static void btusb_disconnect(struct usb_interface *intf)
3235 struct btusb_data *data = usb_get_intfdata(intf);
3236 struct hci_dev *hdev;
3238 BT_DBG("intf %p", intf);
3244 usb_set_intfdata(data->intf, NULL);
3247 usb_set_intfdata(data->isoc, NULL);
3250 usb_set_intfdata(data->diag, NULL);
3252 hci_unregister_dev(hdev);
3254 if (intf == data->intf) {
3256 usb_driver_release_interface(&btusb_driver, data->isoc);
3258 usb_driver_release_interface(&btusb_driver, data->diag);
3259 } else if (intf == data->isoc) {
3261 usb_driver_release_interface(&btusb_driver, data->diag);
3262 usb_driver_release_interface(&btusb_driver, data->intf);
3263 } else if (intf == data->diag) {
3264 usb_driver_release_interface(&btusb_driver, data->intf);
3266 usb_driver_release_interface(&btusb_driver, data->isoc);
3269 if (data->oob_wake_irq)
3270 device_init_wakeup(&data->udev->dev, false);
3276 static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
3278 struct btusb_data *data = usb_get_intfdata(intf);
3280 BT_DBG("intf %p", intf);
3282 if (data->suspend_count++)
3285 spin_lock_irq(&data->txlock);
3286 if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
3287 set_bit(BTUSB_SUSPENDING, &data->flags);
3288 spin_unlock_irq(&data->txlock);
3290 spin_unlock_irq(&data->txlock);
3291 data->suspend_count--;
3295 cancel_work_sync(&data->work);
3297 btusb_stop_traffic(data);
3298 usb_kill_anchored_urbs(&data->tx_anchor);
3300 if (data->oob_wake_irq && device_may_wakeup(&data->udev->dev)) {
3301 set_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags);
3302 enable_irq_wake(data->oob_wake_irq);
3303 enable_irq(data->oob_wake_irq);
3309 static void play_deferred(struct btusb_data *data)
3314 while ((urb = usb_get_from_anchor(&data->deferred))) {
3315 usb_anchor_urb(urb, &data->tx_anchor);
3317 err = usb_submit_urb(urb, GFP_ATOMIC);
3319 if (err != -EPERM && err != -ENODEV)
3320 BT_ERR("%s urb %p submission failed (%d)",
3321 data->hdev->name, urb, -err);
3322 kfree(urb->setup_packet);
3323 usb_unanchor_urb(urb);
3328 data->tx_in_flight++;
3332 /* Cleanup the rest deferred urbs. */
3333 while ((urb = usb_get_from_anchor(&data->deferred))) {
3334 kfree(urb->setup_packet);
3339 static int btusb_resume(struct usb_interface *intf)
3341 struct btusb_data *data = usb_get_intfdata(intf);
3342 struct hci_dev *hdev = data->hdev;
3345 BT_DBG("intf %p", intf);
3347 if (--data->suspend_count)
3350 /* Disable only if not already disabled (keep it balanced) */
3351 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
3352 disable_irq(data->oob_wake_irq);
3353 disable_irq_wake(data->oob_wake_irq);
3356 if (!test_bit(HCI_RUNNING, &hdev->flags))
3359 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
3360 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
3362 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
3367 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
3368 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
3370 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
3374 btusb_submit_bulk_urb(hdev, GFP_NOIO);
3377 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
3378 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
3379 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
3381 btusb_submit_isoc_urb(hdev, GFP_NOIO);
3384 spin_lock_irq(&data->txlock);
3385 play_deferred(data);
3386 clear_bit(BTUSB_SUSPENDING, &data->flags);
3387 spin_unlock_irq(&data->txlock);
3388 schedule_work(&data->work);
3393 usb_scuttle_anchored_urbs(&data->deferred);
3395 spin_lock_irq(&data->txlock);
3396 clear_bit(BTUSB_SUSPENDING, &data->flags);
3397 spin_unlock_irq(&data->txlock);
3403 static struct usb_driver btusb_driver = {
3405 .probe = btusb_probe,
3406 .disconnect = btusb_disconnect,
3408 .suspend = btusb_suspend,
3409 .resume = btusb_resume,
3411 .id_table = btusb_table,
3412 .supports_autosuspend = 1,
3413 .disable_hub_initiated_lpm = 1,
3416 module_usb_driver(btusb_driver);
3418 module_param(disable_scofix, bool, 0644);
3419 MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
3421 module_param(force_scofix, bool, 0644);
3422 MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
3424 module_param(enable_autosuspend, bool, 0644);
3425 MODULE_PARM_DESC(enable_autosuspend, "Enable USB autosuspend by default");
3427 module_param(reset, bool, 0644);
3428 MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
3430 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
3431 MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
3432 MODULE_VERSION(VERSION);
3433 MODULE_LICENSE("GPL");